/* packet-kafka.c * Routines for Apache Kafka Protocol dissection (version 0.8 - 2.5) * Copyright 2013, Evan Huus * Update from Kafka 0.10.1.0 to 2.5 by Piotr Smolinski * * https://cwiki.apache.org/confluence/display/KAFKA/A+Guide+To+The+Kafka+Protocol * https://kafka.apache.org/protocol.html * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * SPDX-License-Identifier: GPL-2.0-or-later */ #include "config.h" #include #include #include #include #ifdef HAVE_SNAPPY #include #endif #ifdef HAVE_LZ4FRAME_H #include #include #endif #include "packet-tcp.h" #include "packet-tls.h" void proto_register_kafka(void); void proto_reg_handoff_kafka(void); static int proto_kafka = -1; static int hf_kafka_len = -1; static int hf_kafka_api_key = -1; static int hf_kafka_api_version = -1; static int hf_kafka_request_api_key = -1; static int hf_kafka_response_api_key = -1; static int hf_kafka_request_api_version = -1; static int hf_kafka_response_api_version = -1; static int hf_kafka_correlation_id = -1; static int hf_kafka_client_id = -1; static int hf_kafka_client_host = -1; static int hf_kafka_required_acks = -1; static int hf_kafka_timeout = -1; static int hf_kafka_topic_name = -1; static int hf_kafka_transactional_id = -1; static int hf_kafka_transaction_result = -1; static int hf_kafka_transaction_timeout = -1; static int hf_kafka_partition_id = -1; static int hf_kafka_replica = -1; static int hf_kafka_replication_factor = -1; static int hf_kafka_isr = -1; static int hf_kafka_offline = -1; static int hf_kafka_last_stable_offset = -1; static int hf_kafka_log_start_offset = -1; static int hf_kafka_first_offset = -1; static int hf_kafka_producer_id = -1; static int hf_kafka_producer_epoch = -1; static int hf_kafka_message_size = -1; static int hf_kafka_message_crc = -1; static int hf_kafka_message_magic = -1; static int hf_kafka_message_codec = -1; static int hf_kafka_message_timestamp_type = -1; static int hf_kafka_message_timestamp = -1; static int hf_kafka_batch_crc = -1; static int hf_kafka_batch_codec = -1; static int hf_kafka_batch_timestamp_type = -1; static int hf_kafka_batch_transactional = -1; static int hf_kafka_batch_control_batch = -1; static int hf_kafka_batch_last_offset_delta = -1; static int hf_kafka_batch_first_timestamp = -1; static int hf_kafka_batch_last_timestamp = -1; static int hf_kafka_batch_base_sequence = -1; static int hf_kafka_batch_size = -1; static int hf_kafka_batch_index = -1; static int hf_kafka_batch_index_error_message = -1; static int hf_kafka_message_key = -1; static int hf_kafka_message_value = -1; static int hf_kafka_message_compression_reduction = -1; static int hf_kafka_truncated_content = -1; static int hf_kafka_request_frame = -1; static int hf_kafka_response_frame = -1; static int hf_kafka_consumer_group = -1; static int hf_kafka_consumer_group_instance = -1; static int hf_kafka_coordinator_key = -1; static int hf_kafka_coordinator_type = -1; static int hf_kafka_group_state = -1; static int hf_kafka_offset = -1; static int hf_kafka_offset_time = -1; static int hf_kafka_max_offsets = -1; static int hf_kafka_metadata = -1; static int hf_kafka_error = -1; static int hf_kafka_error_message = -1; static int hf_kafka_broker_nodeid = -1; static int hf_kafka_broker_epoch = -1; static int hf_kafka_broker_host = -1; static int hf_kafka_listener_name = -1; static int hf_kafka_broker_port = -1; static int hf_kafka_rack = -1; static int hf_kafka_broker_security_protocol_type = -1; static int hf_kafka_cluster_id = -1; static int hf_kafka_controller_id = -1; static int hf_kafka_controller_epoch = -1; static int hf_kafka_delete_partitions = -1; static int hf_kafka_leader_id = -1; static int hf_kafka_group_leader_id = -1; static int hf_kafka_leader_epoch = -1; static int hf_kafka_current_leader_epoch = -1; static int hf_kafka_is_internal = -1; static int hf_kafka_isolation_level = -1; static int hf_kafka_min_bytes = -1; static int hf_kafka_max_bytes = -1; static int hf_kafka_max_wait_time = -1; static int hf_kafka_throttle_time = -1; static int hf_kafka_api_versions_api_key = -1; static int hf_kafka_api_versions_min_version = -1; static int hf_kafka_api_versions_max_version = -1; static int hf_kafka_session_timeout = -1; static int hf_kafka_rebalance_timeout = -1; static int hf_kafka_member_id = -1; static int hf_kafka_protocol_type = -1; static int hf_kafka_protocol_name = -1; static int hf_kafka_protocol_metadata = -1; static int hf_kafka_member_metadata = -1; static int hf_kafka_generation_id = -1; static int hf_kafka_member_assignment = -1; static int hf_kafka_sasl_mechanism = -1; static int hf_kafka_num_partitions = -1; static int hf_kafka_zk_version = -1; static int hf_kafka_is_new_replica = -1; static int hf_kafka_config_key = -1; static int hf_kafka_config_value = -1; static int hf_kafka_commit_timestamp = -1; static int hf_kafka_retention_time = -1; static int hf_kafka_forgotten_topic_name = -1; static int hf_kafka_forgotten_topic_partition = -1; static int hf_kafka_fetch_session_id = -1; static int hf_kafka_fetch_session_epoch = -1; static int hf_kafka_require_stable_offset = -1; static int hf_kafka_record_header_key = -1; static int hf_kafka_record_header_value = -1; static int hf_kafka_record_attributes = -1; static int hf_kafka_allow_auto_topic_creation = -1; static int hf_kafka_validate_only = -1; static int hf_kafka_coordinator_epoch = -1; static int hf_kafka_sasl_auth_bytes = -1; static int hf_kafka_session_lifetime_ms = -1; static int hf_kafka_acl_resource_type = -1; static int hf_kafka_acl_resource_name = -1; static int hf_kafka_acl_resource_pattern_type = -1; static int hf_kafka_acl_principal = -1; static int hf_kafka_acl_host = -1; static int hf_kafka_acl_operation = -1; static int hf_kafka_acl_permission_type = -1; static int hf_kafka_config_resource_type = -1; static int hf_kafka_config_resource_name = -1; static int hf_kafka_config_include_synonyms = -1; static int hf_kafka_config_source = -1; static int hf_kafka_config_readonly = -1; static int hf_kafka_config_default = -1; static int hf_kafka_config_sensitive = -1; static int hf_kafka_config_operation = -1; static int hf_kafka_log_dir = -1; static int hf_kafka_segment_size = -1; static int hf_kafka_offset_lag = -1; static int hf_kafka_future = -1; static int hf_kafka_partition_count = -1; static int hf_kafka_token_max_life_time = -1; static int hf_kafka_token_renew_time = -1; static int hf_kafka_token_expiry_time = -1; static int hf_kafka_token_principal_type = -1; static int hf_kafka_token_principal_name = -1; static int hf_kafka_token_issue_timestamp = -1; static int hf_kafka_token_expiry_timestamp = -1; static int hf_kafka_token_max_timestamp = -1; static int hf_kafka_token_id = -1; static int hf_kafka_token_hmac = -1; static int hf_kafka_include_cluster_authorized_ops = -1; static int hf_kafka_include_topic_authorized_ops = -1; static int hf_kafka_include_group_authorized_ops = -1; static int hf_kafka_cluster_authorized_ops = -1; static int hf_kafka_topic_authorized_ops = -1; static int hf_kafka_group_authorized_ops = -1; static int hf_kafka_election_type = -1; static int hf_kafka_tagged_field_tag = -1; static int hf_kafka_tagged_field_data = -1; static int hf_kafka_client_software_name = -1; static int hf_kafka_client_software_version = -1; static int ett_kafka = -1; static int ett_kafka_batch = -1; static int ett_kafka_message = -1; static int ett_kafka_message_set = -1; static int ett_kafka_replicas = -1; static int ett_kafka_isrs = -1; static int ett_kafka_offline = -1; static int ett_kafka_broker = -1; static int ett_kafka_brokers = -1; static int ett_kafka_broker_end_point = -1; static int ett_kafka_markers = -1; static int ett_kafka_marker = -1; static int ett_kafka_topics = -1; static int ett_kafka_topic = -1; static int ett_kafka_partitions = -1; static int ett_kafka_partition = -1; static int ett_kafka_api_version = -1; static int ett_kafka_group_protocols = -1; static int ett_kafka_group_protocol = -1; static int ett_kafka_group_members = -1; static int ett_kafka_group_member = -1; static int ett_kafka_group_assignments = -1; static int ett_kafka_group_assignment = -1; static int ett_kafka_groups = -1; static int ett_kafka_group = -1; static int ett_kafka_sasl_enabled_mechanisms = -1; static int ett_kafka_replica_assignment = -1; static int ett_kafka_configs = -1; static int ett_kafka_config = -1; static int ett_kafka_request_forgotten_topic = -1; static int ett_kafka_record = -1; static int ett_kafka_record_headers = -1; static int ett_kafka_record_headers_header = -1; static int ett_kafka_aborted_transactions = -1; static int ett_kafka_aborted_transaction = -1; static int ett_kafka_resources = -1; static int ett_kafka_resource = -1; static int ett_kafka_acls = -1; static int ett_kafka_acl = -1; static int ett_kafka_acl_creations = -1; static int ett_kafka_acl_creation = -1; static int ett_kafka_acl_filters = -1; static int ett_kafka_acl_filter = -1; static int ett_kafka_acl_filter_matches = -1; static int ett_kafka_acl_filter_match = -1; static int ett_kafka_config_synonyms = -1; static int ett_kafka_config_synonym = -1; static int ett_kafka_config_entries = -1; static int ett_kafka_config_entry = -1; static int ett_kafka_log_dirs = -1; static int ett_kafka_log_dir = -1; static int ett_kafka_renewers = -1; static int ett_kafka_renewer = -1; static int ett_kafka_owners = -1; static int ett_kafka_owner = -1; static int ett_kafka_tokens = -1; static int ett_kafka_token = -1; /* in Kafka 2.5 these structures have been added, but not yet used */ static int ett_kafka_tagged_fields = -1; static int ett_kafka_tagged_field = -1; static int ett_kafka_record_errors = -1; static int ett_kafka_record_error = -1; static expert_field ei_kafka_request_missing = EI_INIT; static expert_field ei_kafka_unknown_api_key = EI_INIT; static expert_field ei_kafka_unsupported_api_version = EI_INIT; static expert_field ei_kafka_bad_string_length = EI_INIT; static expert_field ei_kafka_bad_bytes_length = EI_INIT; static expert_field ei_kafka_bad_array_length = EI_INIT; static expert_field ei_kafka_bad_record_length = EI_INIT; static expert_field ei_kafka_bad_varint = EI_INIT; static expert_field ei_kafka_bad_message_set_length = EI_INIT; static expert_field ei_kafka_bad_decompression_length = EI_INIT; static expert_field ei_kafka_zero_decompression_length = EI_INIT; static expert_field ei_kafka_unknown_message_magic = EI_INIT; static expert_field ei_kafka_pdu_length_mismatch = EI_INIT; typedef gint16 kafka_api_key_t; typedef gint16 kafka_api_version_t; typedef gint16 kafka_error_t; typedef gint32 kafka_partition_t; typedef gint64 kafka_offset_t; typedef struct _kafka_api_info_t { kafka_api_key_t api_key; const char *name; /* If api key is not supported then set min_version and max_version to -1 */ kafka_api_version_t min_version; kafka_api_version_t max_version; /* Added in Kafka 2.4. Protocol messages are upgraded gradually. */ kafka_api_version_t flexible_since; } kafka_api_info_t; #define KAFKA_TCP_DEFAULT_RANGE "9092" #define KAFKA_PRODUCE 0 #define KAFKA_FETCH 1 #define KAFKA_OFFSETS 2 #define KAFKA_METADATA 3 #define KAFKA_LEADER_AND_ISR 4 #define KAFKA_STOP_REPLICA 5 #define KAFKA_UPDATE_METADATA 6 #define KAFKA_CONTROLLED_SHUTDOWN 7 #define KAFKA_OFFSET_COMMIT 8 #define KAFKA_OFFSET_FETCH 9 #define KAFKA_FIND_COORDINATOR 10 #define KAFKA_JOIN_GROUP 11 #define KAFKA_HEARTBEAT 12 #define KAFKA_LEAVE_GROUP 13 #define KAFKA_SYNC_GROUP 14 #define KAFKA_DESCRIBE_GROUPS 15 #define KAFKA_LIST_GROUPS 16 #define KAFKA_SASL_HANDSHAKE 17 #define KAFKA_API_VERSIONS 18 #define KAFKA_CREATE_TOPICS 19 #define KAFKA_DELETE_TOPICS 20 #define KAFKA_DELETE_RECORDS 21 #define KAFKA_INIT_PRODUCER_ID 22 #define KAFKA_OFFSET_FOR_LEADER_EPOCH 23 #define KAFKA_ADD_PARTITIONS_TO_TXN 24 #define KAFKA_ADD_OFFSETS_TO_TXN 25 #define KAFKA_END_TXN 26 #define KAFKA_WRITE_TXN_MARKERS 27 #define KAFKA_TXN_OFFSET_COMMIT 28 #define KAFKA_DESCRIBE_ACLS 29 #define KAFKA_CREATE_ACLS 30 #define KAFKA_DELETE_ACLS 31 #define KAFKA_DESCRIBE_CONFIGS 32 #define KAFKA_ALTER_CONFIGS 33 #define KAFKA_ALTER_REPLICA_LOG_DIRS 34 #define KAFKA_DESCRIBE_LOG_DIRS 35 #define KAFKA_SASL_AUTHENTICATE 36 #define KAFKA_CREATE_PARTITIONS 37 #define KAFKA_CREATE_DELEGATION_TOKEN 38 #define KAFKA_RENEW_DELEGATION_TOKEN 39 #define KAFKA_EXPIRE_DELEGATION_TOKEN 40 #define KAFKA_DESCRIBE_DELEGATION_TOKEN 41 #define KAFKA_DELETE_GROUPS 42 #define KAFKA_ELECT_LEADERS 43 #define KAFKA_INC_ALTER_CONFIGS 44 #define KAFKA_ALTER_PARTITION_REASSIGNMENTS 45 #define KAFKA_LIST_PARTITION_REASSIGNMENTS 46 #define KAFKA_OFFSET_DELETE 47 /* * Check for message changes here: * https://github.com/apache/kafka/tree/trunk/clients/src/main/resources/common/message * The values are: * - api key * - min supported version * - max supported version * - flexible since (new in 2.4) - drives if string fields are prefixed by short or varint (unsigned) * Flexible request header is 2 and response header id 1. * Note that request header version is hardcoded to 0 for ControlledShutdown v.0 and * response header version for ApiVersions is always 0. */ static const kafka_api_info_t kafka_apis[] = { { KAFKA_PRODUCE, "Produce", 0, 8, -1 }, { KAFKA_FETCH, "Fetch", 0, 11, -1 }, { KAFKA_OFFSETS, "Offsets", 0, 5, -1 }, { KAFKA_METADATA, "Metadata", 0, 9, 9 }, { KAFKA_LEADER_AND_ISR, "LeaderAndIsr", 0, 4, 4 }, { KAFKA_STOP_REPLICA, "StopReplica", 0, 2, 2 }, { KAFKA_UPDATE_METADATA, "UpdateMetadata", 0, 6, 6 }, { KAFKA_CONTROLLED_SHUTDOWN, "ControlledShutdown", 0, 3, 3 }, { KAFKA_OFFSET_COMMIT, "OffsetCommit", 0, 8, 8 }, { KAFKA_OFFSET_FETCH, "OffsetFetch", 0, 7, 6 }, { KAFKA_FIND_COORDINATOR, "FindCoordinator", 0, 3, 3 }, { KAFKA_JOIN_GROUP, "JoinGroup", 0, 7, 6 }, { KAFKA_HEARTBEAT, "Heartbeat", 0, 4, 4 }, { KAFKA_LEAVE_GROUP, "LeaveGroup", 0, 4, 4 }, { KAFKA_SYNC_GROUP, "SyncGroup", 0, 5, 4 }, { KAFKA_DESCRIBE_GROUPS, "DescribeGroups", 0, 5, 5 }, { KAFKA_LIST_GROUPS, "ListGroups", 0, 3, 3 }, { KAFKA_SASL_HANDSHAKE, "SaslHandshake", 0, 1, -1 }, { KAFKA_API_VERSIONS, "ApiVersions", 0, 3, 3 }, { KAFKA_CREATE_TOPICS, "CreateTopics", 0, 5, 5 }, { KAFKA_DELETE_TOPICS, "DeleteTopics", 0, 4, 4 }, { KAFKA_DELETE_RECORDS, "DeleteRecords", 0, 1, -1 }, { KAFKA_INIT_PRODUCER_ID, "InitProducerId", 0, 3, 2 }, { KAFKA_OFFSET_FOR_LEADER_EPOCH, "OffsetForLeaderEpoch", 0, 3, -1 }, { KAFKA_ADD_PARTITIONS_TO_TXN, "AddPartitionsToTxn", 0, 1, -1 }, { KAFKA_ADD_OFFSETS_TO_TXN, "AddOffsetsToTxn", 0, 1, -1 }, { KAFKA_END_TXN, "EndTxn", 0, 1, -1 }, { KAFKA_WRITE_TXN_MARKERS, "WriteTxnMarkers", 0, 0, -1 }, { KAFKA_TXN_OFFSET_COMMIT, "TxnOffsetCommit", 0, 3, 3 }, { KAFKA_DESCRIBE_ACLS, "DescribeAcls", 0, 2, 2 }, { KAFKA_CREATE_ACLS, "CreateAcls", 0, 2, 2 }, { KAFKA_DELETE_ACLS, "DeleteAcls", 0, 2, 2 }, { KAFKA_DESCRIBE_CONFIGS, "DescribeConfigs", 0, 2, -1 }, { KAFKA_ALTER_CONFIGS, "AlterConfigs", 0, 1, -1 }, { KAFKA_ALTER_REPLICA_LOG_DIRS, "AlterReplicaLogDirs", 0, 1, -1 }, { KAFKA_DESCRIBE_LOG_DIRS, "DescribeLogDirs", 0, 1, -1 }, { KAFKA_SASL_AUTHENTICATE, "SaslAuthenticate", 0, 2, 2 }, { KAFKA_CREATE_PARTITIONS, "CreatePartitions", 0, 2, 2 }, { KAFKA_CREATE_DELEGATION_TOKEN, "CreateDelegationToken", 0, 2, 2 }, { KAFKA_RENEW_DELEGATION_TOKEN, "RenewDelegationToken", 0, 2, 2 }, { KAFKA_EXPIRE_DELEGATION_TOKEN, "ExpireDelegationToken", 0, 2, 2 }, { KAFKA_DESCRIBE_DELEGATION_TOKEN, "DescribeDelegationToken", 0, 2, 2 }, { KAFKA_DELETE_GROUPS, "DeleteGroups", 0, 2, 2 }, { KAFKA_ELECT_LEADERS, "ElectLeaders", 0, 2, 2 }, { KAFKA_INC_ALTER_CONFIGS, "IncrementalAlterConfigs", 0, 1, 1 }, { KAFKA_ALTER_PARTITION_REASSIGNMENTS, "AlterPartitionReassignments", 0, 0, 0 }, { KAFKA_LIST_PARTITION_REASSIGNMENTS, "ListPartitionReassignments", 0, 0, 0 }, { KAFKA_OFFSET_DELETE, "OffsetDelete", 0, 0, -1 }, }; /* * Generated from kafka_apis. Add 1 to length for last dummy element. */ static value_string kafka_api_names[array_length(kafka_apis) + 1]; /* * For the current list of error codes check here: * https://github.com/apache/kafka/blob/trunk/clients/src/main/java/org/apache/kafka/common/protocol/Errors.java */ static const value_string kafka_errors[] = { { -1, "Unexpected Server Error" }, { 0, "No Error" }, { 1, "Offset Out Of Range" }, { 2, "Invalid Message" }, { 3, "Unknown Topic or Partition" }, { 4, "Invalid Message Size" }, { 5, "Leader Not Available" }, { 6, "Not Leader For Partition" }, { 7, "Request Timed Out" }, { 8, "Broker Not Available" }, { 10, "Message Size Too Large" }, { 11, "Stale Controller Epoch Code" }, { 12, "Offset Metadata Too Large" }, { 14, "Offsets Load In Progress" }, { 15, "The Coordinator is not Available" }, { 16, "Not Coordinator For Consumer" }, { 17, "Invalid topic" }, { 18, "Message batch larger than configured server segment size" }, { 19, "Not enough in-sync replicas" }, { 20, "Message(s) written to insufficient number of in-sync replicas" }, { 21, "Invalid required acks value" }, { 22, "Specified group generation id is not valid" }, { 23, "Inconsistent group protocol" }, { 24, "Invalid group.id" }, { 25, "Unknown member" }, { 26, "Invalid session timeout" }, { 27, "Group rebalance in progress" }, { 28, "Commit offset data size is not valid" }, { 29, "Topic authorization failed" }, { 30, "Group authorization failed" }, { 31, "Cluster authorization failed" }, { 32, "Invalid timestamp" }, { 33, "Unsupported SASL mechanism" }, { 34, "Illegal SASL state" }, { 35, "Unsupported version" }, { 36, "Topic already exists" }, { 37, "Invalid number of partitions" }, { 38, "Invalid replication-factor" }, { 39, "Invalid replica assignment" }, { 40, "Invalid configuration" }, { 41, "Not controller" }, { 42, "Invalid request" }, { 43, "Unsupported for Message Format" }, { 44, "Policy Violation" }, { 45, "Out of Order Sequence Number" }, { 46, "Duplicate Sequence Number" }, { 47, "Invalid Producer Epoch" }, { 48, "Invalid Transaction State" }, { 49, "Invalid Producer ID Mapping" }, { 50, "Invalid Transaction Timeout" }, { 51, "Concurrent Transactions" }, { 52, "Transaction Coordinator Fenced" }, { 53, "Transactional ID Authorization Failed" }, { 54, "Security Disabled" }, { 55, "Operation not Attempted" }, { 56, "Kafka Storage Error" }, { 57, "Log Directory not Found" }, { 58, "SASL Authentication failed" }, { 59, "Unknown Producer ID" }, { 60, "Partition Reassignment in Progress" }, { 61, "Delegation Token Auth Disabled" }, { 62, "Delegation Token not Found" }, { 63, "Delegation Token Owner Mismatch" }, { 64, "Delegation Token Request not Allowed" }, { 65, "Delegation Token Authorization Failed" }, { 66, "Delegation Token Expired" }, { 67, "Supplied Principal Type Unsupported" }, { 68, "Not Empty Group" }, { 69, "Group ID not Found" }, { 70, "Fetch Session ID not Found" }, { 71, "Invalid Fetch Session Epoch" }, { 72, "Listener not Found" }, { 73, "Topic Deletion Disabled" }, { 74, "Fenced Leader Epoch" }, { 75, "Unknown Leader Epoch" }, { 76, "Unsupported Compression Type" }, { 77, "Stale Broker Epoch" }, { 78, "Offset not Available" }, { 79, "Member ID Required" }, { 80, "Preferred Leader not Available" }, { 81, "Group Max Size Reached" }, { 82, "Fenced Instance ID" }, { 83, "Eligible topic partition leaders are not available" }, { 84, "Leader election not needed for topic partition" }, { 85, "No partition reassignment is in progress" }, { 86, "Deleting offsets of a topic is forbidden while the consumer group is actively subscribed to it" }, { 87, "This record has failed the validation on broker and hence will be rejected" }, { 88, "There are unstable offsets that need to be cleared" }, { 0, NULL } }; #define KAFKA_ACK_NOT_REQUIRED 0 #define KAFKA_ACK_LEADER 1 #define KAFKA_ACK_FULL_ISR -1 static const value_string kafka_acks[] = { { KAFKA_ACK_NOT_REQUIRED, "Not Required" }, { KAFKA_ACK_LEADER, "Leader" }, { KAFKA_ACK_FULL_ISR, "Full ISR" }, { 0, NULL } }; #define KAFKA_MESSAGE_CODEC_MASK 0x07 #define KAFKA_MESSAGE_CODEC_NONE 0 #define KAFKA_MESSAGE_CODEC_GZIP 1 #define KAFKA_MESSAGE_CODEC_SNAPPY 2 #define KAFKA_MESSAGE_CODEC_LZ4 3 #define KAFKA_MESSAGE_CODEC_ZSTD 4 static const value_string kafka_message_codecs[] = { { KAFKA_MESSAGE_CODEC_NONE, "None" }, { KAFKA_MESSAGE_CODEC_GZIP, "Gzip" }, { KAFKA_MESSAGE_CODEC_SNAPPY, "Snappy" }, { KAFKA_MESSAGE_CODEC_LZ4, "LZ4" }, { KAFKA_MESSAGE_CODEC_ZSTD, "Zstd" }, { 0, NULL } }; #ifdef HAVE_SNAPPY static const guint8 kafka_xerial_header[8] = {0x82, 0x53, 0x4e, 0x41, 0x50, 0x50, 0x59, 0x00}; #endif #define KAFKA_MESSAGE_TIMESTAMP_MASK 0x08 static const value_string kafka_message_timestamp_types[] = { { 0, "CreateTime" }, { 1, "LogAppendTime" }, { 0, NULL } }; #define KAFKA_BATCH_TRANSACTIONAL_MASK 0x10 static const value_string kafka_batch_transactional_values[] = { { 0, "Non-transactional" }, { 1, "Transactional" }, { 0, NULL } }; #define KAFKA_BATCH_CONTROL_BATCH_MASK 0x20 static const value_string kafka_batch_control_batch_values[] = { { 0, "Data batch" }, { 1, "Control batch" }, { 0, NULL } }; static const value_string kafka_coordinator_types[] = { { 0, "Group" }, { 1, "Transaction" }, { 0, NULL } }; static const value_string kafka_security_protocol_types[] = { { 0, "PLAINTEXT" }, { 1, "SSL" }, { 2, "SASL_PLAINTEXT" }, { 3, "SASL_SSL" }, { 0, NULL } }; static const value_string kafka_isolation_levels[] = { { 0, "Read Uncommitted" }, { 1, "Read Committed" }, { 0, NULL } }; static const value_string kafka_transaction_results[] = { { 0, "ABORT" }, { 1, "COMMIT" }, { 0, NULL } }; static const value_string acl_resource_types[] = { { 0, "Unknown" }, { 1, "Any" }, { 2, "Topic" }, { 3, "Group" }, { 4, "Cluster" }, { 5, "TransactionalId" }, { 6, "DelegationToken" }, { 0, NULL } }; static const value_string acl_resource_pattern_types[] = { { 0, "Unknown" }, { 1, "Any" }, { 2, "Match" }, { 3, "Literal" }, { 4, "Prefixed" }, { 0, NULL } }; static const value_string acl_operations[] = { { 0, "Unknown" }, { 1, "Any" }, { 2, "All" }, { 3, "Read" }, { 4, "Write" }, { 5, "Create" }, { 6, "Delete" }, { 7, "Alter" }, { 8, "Describe" }, { 9, "Cluster Action" }, { 10, "Describe Configs" }, { 11, "Alter Configs" }, { 12, "Idempotent Write" }, { 0, NULL } }; static const value_string acl_permission_types[] = { { 0, "Unknown" }, { 1, "Any" }, { 2, "Deny" }, { 3, "Allow" }, { 0, NULL } }; static const value_string config_resource_types[] = { { 0, "Unknown" }, { 2, "Topic" }, { 4, "Broker" }, { 0, NULL } }; static const value_string config_sources[] = { { 0, "Unknown" }, { 1, "Topic" }, { 2, "Broker (Dynamic)" }, { 3, "Broker (Dynamic/Default)" }, { 4, "Broker (Static)" }, { 5, "Default" }, { 0, NULL } }; static const value_string config_operations[] = { { 0, "Set" }, { 1, "Delete" }, { 2, "Append" }, { 3, "Subtract" }, { 0, NULL } }; static const value_string election_types[] = { { 0, "Preferred" }, { 1, "Unclean" }, { 0, NULL } }; /* Whether to show the lengths of string and byte fields in the protocol tree. * It can be useful to see these, but they do clutter up the display, so disable * by default */ static gboolean kafka_show_string_bytes_lengths = FALSE; typedef struct _kafka_query_response_t { kafka_api_key_t api_key; kafka_api_version_t api_version; guint32 correlation_id; guint32 request_frame; guint32 response_frame; gboolean response_found; gboolean flexible_api; } kafka_query_response_t; /* Some values to temporarily remember during dissection */ typedef struct kafka_packet_values_t { kafka_partition_t partition_id; kafka_offset_t offset; } kafka_packet_values_t; /* Forward declaration (dissect_kafka_message_set() and dissect_kafka_message() call each other...) */ static int dissect_kafka_message_set(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, gint offset, guint len, guint8 codec); /* HELPERS */ #ifdef HAVE_LZ4FRAME_H /* Local copy of XXH32() algorithm as found in https://github.com/lz4/lz4/blob/v1.7.5/lib/xxhash.c as some packagers are not providing xxhash.h in liblz4 */ typedef struct { guint32 total_len_32; guint32 large_len; guint32 v1; guint32 v2; guint32 v3; guint32 v4; guint32 mem32[4]; /* buffer defined as U32 for alignment */ guint32 memsize; guint32 reserved; /* never read nor write, will be removed in a future version */ } XXH32_state_t; typedef enum { XXH_bigEndian=0, XXH_littleEndian=1 } XXH_endianess; static const int g_one = 1; #define XXH_CPU_LITTLE_ENDIAN (*(const char*)(&g_one)) static const guint32 PRIME32_1 = 2654435761U; static const guint32 PRIME32_2 = 2246822519U; static const guint32 PRIME32_3 = 3266489917U; static const guint32 PRIME32_4 = 668265263U; static const guint32 PRIME32_5 = 374761393U; #define XXH_rotl32(x,r) ((x << r) | (x >> (32 - r))) static guint32 XXH_read32(const void* memPtr) { guint32 val; memcpy(&val, memPtr, sizeof(val)); return val; } static guint32 XXH_swap32(guint32 x) { return ((x << 24) & 0xff000000 ) | ((x << 8) & 0x00ff0000 ) | ((x >> 8) & 0x0000ff00 ) | ((x >> 24) & 0x000000ff ); } #define XXH_readLE32(ptr, endian) (endian==XXH_littleEndian ? XXH_read32(ptr) : XXH_swap32(XXH_read32(ptr))) static guint32 XXH32_round(guint32 seed, guint32 input) { seed += input * PRIME32_2; seed = XXH_rotl32(seed, 13); seed *= PRIME32_1; return seed; } static guint32 XXH32_endian(const void* input, size_t len, guint32 seed, XXH_endianess endian) { const gint8* p = (const gint8*)input; const gint8* bEnd = p + len; guint32 h32; #define XXH_get32bits(p) XXH_readLE32(p, endian) if (len>=16) { const gint8* const limit = bEnd - 16; guint32 v1 = seed + PRIME32_1 + PRIME32_2; guint32 v2 = seed + PRIME32_2; guint32 v3 = seed + 0; guint32 v4 = seed - PRIME32_1; do { v1 = XXH32_round(v1, XXH_get32bits(p)); p+=4; v2 = XXH32_round(v2, XXH_get32bits(p)); p+=4; v3 = XXH32_round(v3, XXH_get32bits(p)); p+=4; v4 = XXH32_round(v4, XXH_get32bits(p)); p+=4; } while (p<=limit); h32 = XXH_rotl32(v1, 1) + XXH_rotl32(v2, 7) + XXH_rotl32(v3, 12) + XXH_rotl32(v4, 18); } else { h32 = seed + PRIME32_5; } h32 += (guint32) len; while (p+4<=bEnd) { h32 += XXH_get32bits(p) * PRIME32_3; h32 = XXH_rotl32(h32, 17) * PRIME32_4 ; p+=4; } while (p> 15; h32 *= PRIME32_2; h32 ^= h32 >> 13; h32 *= PRIME32_3; h32 ^= h32 >> 16; return h32; } static guint XXH32(const void* input, size_t len, guint seed) { XXH_endianess endian_detected = (XXH_endianess)XXH_CPU_LITTLE_ENDIAN; if (endian_detected==XXH_littleEndian) return XXH32_endian(input, len, seed, XXH_littleEndian); else return XXH32_endian(input, len, seed, XXH_bigEndian); } #endif /* HAVE_LZ4FRAME_H */ static const char * kafka_error_to_str(kafka_error_t error) { return val_to_str(error, kafka_errors, "Unknown %d"); } static const char * kafka_api_key_to_str(kafka_api_key_t api_key) { return val_to_str(api_key, kafka_api_names, "Unknown %d"); } static const kafka_api_info_t * kafka_get_api_info(kafka_api_key_t api_key) { if ((api_key >= 0) && (api_key < ((kafka_api_key_t) array_length(kafka_apis)))) { return &kafka_apis[api_key]; } else { return NULL; } } /* * Check if the API version uses flexible coding. Flexible coding was introduced in Kafka 2.4. * The major changes in the flexible versions: * - string length is stored as varint instead of int16 * - the header and message content may include additional flexible fields. * The flexible version affects also the header. Normally the header version is 1. * Flexible API headers are version 2. There are two hardcoded exceptions. ControlledShutdown * request always uses header version 0. Same applies for ApiVersions response. These cases * have to be covered in the message parsing. */ static gboolean kafka_is_api_version_flexible(kafka_api_key_t api_key, kafka_api_version_t api_version) { const kafka_api_info_t *api_info; api_info = kafka_get_api_info(api_key); return api_info != NULL && !(api_info->flexible_since == -1 || api_version < api_info->flexible_since); } static gboolean kafka_is_api_version_supported(const kafka_api_info_t *api_info, kafka_api_version_t api_version) { DISSECTOR_ASSERT(api_info); return !(api_info->min_version == -1 || api_version < api_info->min_version || api_version > api_info->max_version); } static void kafka_check_supported_api_key(packet_info *pinfo, proto_item *ti, kafka_query_response_t *matcher) { if (kafka_get_api_info(matcher->api_key) == NULL) { col_append_str(pinfo->cinfo, COL_INFO, " [Unknown API key]"); expert_add_info_format(pinfo, ti, &ei_kafka_unknown_api_key, "%s API key", kafka_api_key_to_str(matcher->api_key)); } } static void kafka_check_supported_api_version(packet_info *pinfo, proto_item *ti, kafka_query_response_t *matcher) { const kafka_api_info_t *api_info; api_info = kafka_get_api_info(matcher->api_key); if (api_info != NULL && !kafka_is_api_version_supported(api_info, matcher->api_version)) { col_append_str(pinfo->cinfo, COL_INFO, " [Unsupported API version]"); if (api_info->min_version == -1) { expert_add_info_format(pinfo, ti, &ei_kafka_unsupported_api_version, "Unsupported %s version.", kafka_api_key_to_str(matcher->api_key)); } else if (api_info->min_version == api_info->max_version) { expert_add_info_format(pinfo, ti, &ei_kafka_unsupported_api_version, "Unsupported %s version. Supports v%d.", kafka_api_key_to_str(matcher->api_key), api_info->min_version); } else { expert_add_info_format(pinfo, ti, &ei_kafka_unsupported_api_version, "Unsupported %s version. Supports v%d-%d.", kafka_api_key_to_str(matcher->api_key), api_info->min_version, api_info->max_version); } } } static int dissect_kafka_array_elements(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, int offset, kafka_api_version_t api_version, int(*func)(tvbuff_t*, packet_info*, proto_tree*, int, kafka_api_version_t), int count) { int i; for (i=0; i 0x7ffffffL) { expert_add_info(pinfo, proto_tree_get_parent(tree), &ei_kafka_bad_array_length); return offset + len; } offset += len; /* * Compact arrays store count+1 * https://cwiki.apache.org/confluence/display/KAFKA/KIP-482%3A+The+Kafka+Protocol+should+Support+Optional+Tagged+Fields */ offset = dissect_kafka_array_elements(tree, tvb, pinfo, offset, api_version, func, (int)count - 1); if (p_count != NULL) *p_count = (int)count - 1; return offset; } /* * Dissect array. Use 'flexible' flag to select which variant should be used. */ static int dissect_kafka_array(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, int offset, int flexible, kafka_api_version_t api_version, int(*func)(tvbuff_t*, packet_info*, proto_tree*, int, kafka_api_version_t), int *p_count) { if (flexible) { return dissect_kafka_compact_array(tree, tvb, pinfo, offset, api_version, func, p_count); } else { return dissect_kafka_regular_array(tree, tvb, pinfo, offset, api_version, func, p_count); } } /* kept for completeness */ static int dissect_kafka_varint(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo, int offset, gint64 *p_value) _U_; static int dissect_kafka_varint(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo, int offset, gint64 *p_value) { gint64 value; guint len; proto_item *pi; len = tvb_get_varint(tvb, offset, FT_VARINT_MAX_LEN, &value, ENC_VARINT_ZIGZAG); pi = proto_tree_add_int64(tree, hf_item, tvb, offset, len, value); if (len == 0) { expert_add_info(pinfo, pi, &ei_kafka_bad_varint); return tvb_captured_length(tvb); } if (p_value != NULL) *p_value = value; return offset + len; } static int dissect_kafka_varuint(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo, int offset, guint64 *p_value) { guint64 value; guint len; proto_item *pi; len = tvb_get_varint(tvb, offset, FT_VARINT_MAX_LEN, &value, ENC_VARINT_PROTOBUF); pi = proto_tree_add_uint64(tree, hf_item, tvb, offset, len, value); if (len == 0) { expert_add_info(pinfo, pi, &ei_kafka_bad_varint); return tvb_captured_length(tvb); } if (p_value != NULL) *p_value = value; return offset + len; } /* * Retrieve null-terminated copy of string from a package. * The function wraps the tvb_get_string_enc that if given string is NULL, which is represented as negative length, * a substitute string is returned instead of failing. */ static gint8* kafka_tvb_get_string(wmem_allocator_t *pool, tvbuff_t *tvb, int offset, int length) { if (length>=0) { return tvb_get_string_enc(pool, tvb, offset, length, ENC_UTF_8);; } else { return "[ Null ]"; } } /* * Pre KIP-482 coding. The string is prefixed with 16-bit signed integer. Value -1 means null. */ static int dissect_kafka_regular_string(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo, int offset, int *p_offset, int *p_length) { gint16 length; proto_item *pi; length = (gint16) tvb_get_ntohs(tvb, offset); if (length < -1) { pi = proto_tree_add_item(tree, hf_item, tvb, offset, 0, ENC_NA); expert_add_info(pinfo, pi, &ei_kafka_bad_string_length); if (p_offset) { *p_offset = 2; } if (p_length) { *p_length = 0; } return offset + 2; } if (length == -1) { proto_tree_add_string(tree, hf_item, tvb, offset, 2, NULL); } else { proto_tree_add_string(tree, hf_item, tvb, offset, length + 2, kafka_tvb_get_string(pinfo->pool, tvb, offset + 2, length)); } if (p_offset != NULL) *p_offset = offset + 2; if (p_length != NULL) *p_length = length; offset += 2; if (length != -1) offset += length; return offset; } /* * Compact coding. The string is prefixed with unsigned varint containing number of octets + 1. */ static int dissect_kafka_compact_string(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo, int offset, int *p_offset, int *p_length) { guint len; guint64 length; proto_item *pi; len = tvb_get_varint(tvb, offset, FT_VARINT_MAX_LEN, &length, ENC_VARINT_PROTOBUF); if (len == 0) { pi = proto_tree_add_item(tree, hf_item, tvb, offset, 0, ENC_NA); expert_add_info(pinfo, pi, &ei_kafka_bad_varint); if (p_offset) { *p_offset = 0; } if (p_length) { *p_length = 0; } return tvb_captured_length(tvb); } if (length == 0) { proto_tree_add_string(tree, hf_item, tvb, offset, len, NULL); } else { proto_tree_add_string(tree, hf_item, tvb, offset, len + (gint)length - 1, kafka_tvb_get_string(pinfo->pool, tvb, offset + len, (gint)length - 1)); } if (p_offset != NULL) *p_offset = offset + len; if (p_length != NULL) *p_length = (gint)length - 1; offset += len; if (length > 0) { offset += (gint)length - 1; } return offset; } /* * Dissect string. Depending on the 'flexible' flag use old style or compact coding. */ static int dissect_kafka_string(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo, int offset, int flexible, int *p_offset, int *p_length) { if (flexible) { return dissect_kafka_compact_string(tree, hf_item, tvb, pinfo, offset, p_offset, p_length); } else { return dissect_kafka_regular_string(tree, hf_item, tvb, pinfo, offset, p_offset, p_length); } } /* * Pre KIP-482 coding. The string is prefixed with signed 16-bit integer containing number of octets. */ static int dissect_kafka_regular_bytes(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo, int offset, int *p_offset, int *p_length) { gint16 length; proto_item *pi; length = (gint16) tvb_get_ntohs(tvb, offset); if (length < -1) { pi = proto_tree_add_item(tree, hf_item, tvb, offset, 0, ENC_NA); expert_add_info(pinfo, pi, &ei_kafka_bad_string_length); if (p_offset) { *p_offset = 2; } if (p_length) { *p_length = 0; } return offset + 2; } if (length == -1) { proto_tree_add_bytes_with_length(tree, hf_item, tvb, offset, 2, NULL, 0); } else { proto_tree_add_bytes_with_length(tree, hf_item, tvb, offset, length + 2, tvb_get_ptr(tvb, offset + 2, length), length); } if (p_offset != NULL) *p_offset = offset + 2; if (p_length != NULL) *p_length = length; offset += 2; if (length != -1) offset += length; return offset; } /* * Compact coding. The bytes are prefixed with unsigned varint containing number of octets + 1. */ static int dissect_kafka_compact_bytes(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo, int offset, int *p_offset, int *p_length) { guint len; guint64 length; proto_item *pi; len = tvb_get_varint(tvb, offset, FT_VARINT_MAX_LEN, &length, ENC_VARINT_PROTOBUF); if (len == 0) { pi = proto_tree_add_item(tree, hf_item, tvb, offset, 0, ENC_NA); expert_add_info(pinfo, pi, &ei_kafka_bad_varint); if (p_offset) { *p_offset = 0; } if (p_length) { *p_length = 0; } return tvb_captured_length(tvb); } if (length == 0) { proto_tree_add_bytes_with_length(tree, hf_item, tvb, offset, len, NULL, 0); } else { proto_tree_add_bytes_with_length(tree, hf_item, tvb, offset, len + (gint)length - 1, tvb_get_ptr(tvb, offset + len, (gint)length - 1), (gint)length - 1); } if (p_offset != NULL) *p_offset = offset + len; if (p_length != NULL) *p_length = (gint)length - 1; if (length == 0) { offset += len; } else { offset += len + (gint)length - 1; } return offset; } /* * Dissect byte buffer. Depending on the 'flexible' flag use old style or compact coding. */ static int dissect_kafka_bytes(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo, int offset, int flexible, int *p_offset, int *p_length) { if (flexible) { return dissect_kafka_compact_bytes(tree, hf_item, tvb, pinfo, offset, p_offset, p_length); } else { return dissect_kafka_regular_bytes(tree, hf_item, tvb, pinfo, offset, p_offset, p_length); } } static int dissect_kafka_timestamp_delta(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int hf_item, int offset, guint64 first_timestamp) { nstime_t nstime; guint64 milliseconds; guint64 val; guint len; proto_item *pi; len = tvb_get_varint(tvb, offset, FT_VARINT_MAX_LEN, &val, ENC_VARINT_ZIGZAG); milliseconds = first_timestamp + val; nstime.secs = (time_t) (milliseconds / 1000); nstime.nsecs = (int) ((milliseconds % 1000) * 1000000); pi = proto_tree_add_time(tree, hf_item, tvb, offset, len, &nstime); if (len == 0) { expert_add_info(pinfo, pi, &ei_kafka_bad_varint); return tvb_captured_length(tvb); } return offset+len; } static int dissect_kafka_offset_delta(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int hf_item, int offset, guint64 base_offset) { gint64 val; guint len; proto_item *pi; len = tvb_get_varint(tvb, offset, FT_VARINT_MAX_LEN, &val, ENC_VARINT_ZIGZAG); pi = proto_tree_add_int64(tree, hf_item, tvb, offset, len, base_offset+val); if (len == 0) { expert_add_info(pinfo, pi, &ei_kafka_bad_varint); return tvb_captured_length(tvb); } return offset+len; } static int dissect_kafka_int8(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo _U_, int offset, gint8 *p_value) { if (p_value != NULL) *p_value = tvb_get_gint8(tvb, offset); proto_tree_add_item(tree, hf_item, tvb, offset, 1, ENC_NA); return offset+1; } static int dissect_kafka_int16(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo _U_, int offset, gint16 *p_value) { if (p_value != NULL) *p_value = tvb_get_gint16(tvb, offset, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_item, tvb, offset, 2, ENC_BIG_ENDIAN); return offset+2; } static int dissect_kafka_int32(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo _U_, int offset, gint32 *p_value) { if (p_value != NULL) *p_value = tvb_get_gint32(tvb, offset, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_item, tvb, offset, 4, ENC_BIG_ENDIAN); return offset+4; } static int dissect_kafka_int64(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo _U_, int offset, gint64 *p_value) { if (p_value != NULL) *p_value = tvb_get_gint64(tvb, offset, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_item, tvb, offset, 8, ENC_BIG_ENDIAN); return offset+8; } static int dissect_kafka_timestamp(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo _U_, int offset, gint64 *p_value) { if (p_value != NULL) *p_value = tvb_get_gint64(tvb, offset, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_item, tvb, offset, 8, ENC_TIME_MSECS | ENC_BIG_ENDIAN); return offset+8; } /* * Function: dissect_kafka_string_new * --------------------------------------------------- * Decodes UTF-8 string using the new length encoding. This format is used * in the v2 message encoding, where the string length is encoded using * ProtoBuf's ZigZag integer format (inspired by Avro). The main advantage * of ZigZag is very compact representation for small numbers. * * tvb: actual data buffer * pinfo: packet information (unused) * tree: protocol information tree to append the item * hf_item: protocol information item descriptor index * offset: offset in the buffer where the string length is to be found * p_display_string: pointer to a variable to store a pointer to the string value * * returns: offset of the next field in the message. If supplied, p_display_string * is guaranteed to be set to a valid value. */ static int dissect_kafka_string_new(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int hf_item, int offset, char **p_display_string) { gint64 val; guint len; proto_item *pi; if (p_display_string != NULL) *p_display_string = ""; len = tvb_get_varint(tvb, offset, 5, &val, ENC_VARINT_ZIGZAG); if (len == 0) { pi = proto_tree_add_string_format_value(tree, hf_item, tvb, offset+len, 0, NULL, ""); expert_add_info(pinfo, pi, &ei_kafka_bad_varint); return tvb_captured_length(tvb); } else if (val > 0) { // there is payload available, possibly with 0 octets if (p_display_string != NULL) proto_tree_add_item_ret_display_string(tree, hf_item, tvb, offset+len, (gint)val, ENC_UTF_8, wmem_packet_scope(), p_display_string); else proto_tree_add_item(tree, hf_item, tvb, offset+len, (gint)val, ENC_UTF_8); } else if (val == 0) { // there is empty payload (0 octets) proto_tree_add_string_format_value(tree, hf_item, tvb, offset+len, 0, NULL, ""); if (p_display_string != NULL) *p_display_string = ""; } else if (val == -1) { // there is no payload (null) proto_tree_add_string_format_value(tree, hf_item, tvb, offset+len, 0, NULL, ""); val = 0; } else { pi = proto_tree_add_string_format_value(tree, hf_item, tvb, offset+len, 0, NULL, ""); expert_add_info(pinfo, pi, &ei_kafka_bad_string_length); val = 0; } return offset+len+(gint)val; } /* * Function: dissect_kafka_bytes_new * --------------------------------------------------- * Decodes byte buffer using the new length encoding. This format is used * in the v2 message encoding, where the buffer length is encoded using * ProtoBuf's ZigZag integer format (inspired by Avro). The main advantage * of ZigZag is very compact representation for small numbers. * * tvb: actual data buffer * pinfo: packet information (unused) * tree: protocol information tree to append the item * hf_item: protocol information item descriptor index * offset: offset in the buffer where the string length is to be found * p_bytes_offset: pointer to a variable to store the actual buffer begin * p_bytes_length: pointer to a variable to store the actual buffer length * p_invalid: pointer to a variable to store whether the length is valid * * returns: pointer to the next field in the message */ static int dissect_kafka_bytes_new(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int hf_item, int offset, int *p_bytes_offset, int *p_bytes_length, gboolean *p_invalid) { gint64 val; guint len; proto_item *pi; *p_invalid = FALSE; len = tvb_get_varint(tvb, offset, 5, &val, ENC_VARINT_ZIGZAG); if (len == 0) { pi = proto_tree_add_bytes_format_value(tree, hf_item, tvb, offset+len, 0, NULL, ""); expert_add_info(pinfo, pi, &ei_kafka_bad_varint); return tvb_captured_length(tvb); } else if (val > 0) { // there is payload available, possibly with 0 octets proto_tree_add_item(tree, hf_item, tvb, offset+len, (gint)val, ENC_NA); } else if (val == 0) { // there is empty payload (0 octets) proto_tree_add_bytes_format_value(tree, hf_item, tvb, offset+len, 0, NULL, ""); } else if (val == -1) { // there is no payload (null) proto_tree_add_bytes_format_value(tree, hf_item, tvb, offset+len, 0, NULL, ""); val = 0; } else { pi = proto_tree_add_bytes_format_value(tree, hf_item, tvb, offset+len, 0, NULL, ""); expert_add_info(pinfo, pi, &ei_kafka_bad_bytes_length); val = 0; *p_invalid = TRUE; } if (p_bytes_offset != NULL) { *p_bytes_offset = offset+len; } if (p_bytes_length != NULL) { *p_bytes_length = (gint)val; } return offset+len+(gint)val; } /* Calculate and show the reduction in transmitted size due to compression */ static void show_compression_reduction(tvbuff_t *tvb, proto_tree *tree, guint compressed_size, guint uncompressed_size) { proto_item *ti; /* Not really expecting a message to compress down to nothing, but defend against dividing by 0 anyway */ if (uncompressed_size != 0) { ti = proto_tree_add_float(tree, hf_kafka_message_compression_reduction, tvb, 0, 0, (float)compressed_size / (float)uncompressed_size); proto_item_set_generated(ti); } } static int dissect_kafka_record_headers_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, gboolean *p_invalid) { proto_item *header_ti; proto_tree *subtree; char *key_display_string; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_record_headers_header, &header_ti, "Header"); offset = dissect_kafka_string_new(tvb, pinfo, subtree, hf_kafka_record_header_key, offset, &key_display_string); offset = dissect_kafka_bytes_new(tvb, pinfo, subtree, hf_kafka_record_header_value, offset, NULL, NULL, p_invalid); proto_item_append_text(header_ti, " (Key: %s)", key_display_string); proto_item_set_end(header_ti, tvb, offset); return offset; } static int dissect_kafka_record_headers(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset) { proto_item *record_headers_ti; proto_tree *subtree; gint64 count; guint len; int i; gboolean invalid = FALSE; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_record_headers, &record_headers_ti, "Headers"); len = tvb_get_varint(tvb, offset, 5, &count, ENC_VARINT_ZIGZAG); if (len == 0) { expert_add_info(pinfo, record_headers_ti, &ei_kafka_bad_varint); return tvb_captured_length(tvb); } else if (count < -1) { // -1 means null array expert_add_info(pinfo, record_headers_ti, &ei_kafka_bad_array_length); } offset += len; for (i = 0; i < count && !invalid; i++) { offset = dissect_kafka_record_headers_header(tvb, pinfo, subtree, offset, &invalid); } proto_item_set_end(record_headers_ti, tvb, offset); return offset; } static int dissect_kafka_record(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int start_offset, guint64 base_offset, guint64 first_timestamp) { proto_item *record_ti; proto_tree *subtree; gint64 size; guint len; int offset, end_offset; gboolean invalid; offset = start_offset; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_record, &record_ti, "Record"); len = tvb_get_varint(tvb, offset, 5, &size, ENC_VARINT_ZIGZAG); if (len == 0) { expert_add_info(pinfo, record_ti, &ei_kafka_bad_varint); return tvb_captured_length(tvb); } else if (size < 6) { expert_add_info(pinfo, record_ti, &ei_kafka_bad_record_length); return offset + len; } end_offset = offset + len + (gint)size; offset += len; proto_tree_add_item(subtree, hf_kafka_record_attributes, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; offset = dissect_kafka_timestamp_delta(tvb, pinfo, subtree, hf_kafka_message_timestamp, offset, first_timestamp); offset = dissect_kafka_offset_delta(tvb, pinfo, subtree, hf_kafka_offset, offset, base_offset); offset = dissect_kafka_bytes_new(tvb, pinfo, subtree, hf_kafka_message_key, offset, NULL, NULL, &invalid); if (invalid) return end_offset; offset = dissect_kafka_bytes_new(tvb, pinfo, subtree, hf_kafka_message_value, offset, NULL, NULL, &invalid); if (invalid) return end_offset; offset = dissect_kafka_record_headers(tvb, pinfo, subtree, offset); if (offset != end_offset) { expert_add_info(pinfo, record_ti, &ei_kafka_bad_record_length); } proto_item_set_end(record_ti, tvb, end_offset); return end_offset; } static gboolean decompress_none(tvbuff_t *tvb, packet_info *pinfo _U_, int offset, guint32 length _U_, tvbuff_t **decompressed_tvb, int *decompressed_offset) { *decompressed_tvb = tvb; *decompressed_offset = offset; return TRUE; } static gboolean decompress_gzip(tvbuff_t *tvb, packet_info *pinfo, int offset, guint32 length, tvbuff_t **decompressed_tvb, int *decompressed_offset) { *decompressed_tvb = tvb_child_uncompress(tvb, tvb, offset, length); *decompressed_offset = 0; if (*decompressed_tvb) { return TRUE; } else { col_append_str(pinfo->cinfo, COL_INFO, " [gzip decompression failed] "); return FALSE; } } #define MAX_LOOP_ITERATIONS 100 #ifdef HAVE_LZ4FRAME_H static gboolean decompress_lz4(tvbuff_t *tvb, packet_info *pinfo, int offset, guint32 length, tvbuff_t **decompressed_tvb, int *decompressed_offset) { LZ4F_decompressionContext_t lz4_ctxt = NULL; LZ4F_frameInfo_t lz4_info; LZ4F_errorCode_t rc = 0; size_t src_offset = 0, src_size = 0, dst_size = 0; guchar *decompressed_buffer = NULL; tvbuff_t *composite_tvb = NULL; gboolean ret = FALSE; /* Prepare compressed data buffer */ guint8 *data = (guint8*)tvb_memdup(pinfo->pool, tvb, offset, length); /* Override header checksum to workaround buggy Kafka implementations */ if (length > 7) { guint32 hdr_end = 6; if (data[4] & 0x08) { hdr_end += 8; } if (hdr_end < length) { data[hdr_end] = (XXH32(&data[4], hdr_end - 4, 0) >> 8) & 0xff; } } /* Allocate output buffer */ rc = LZ4F_createDecompressionContext(&lz4_ctxt, LZ4F_VERSION); if (LZ4F_isError(rc)) { goto end; } src_offset = length; rc = LZ4F_getFrameInfo(lz4_ctxt, &lz4_info, data, &src_offset); if (LZ4F_isError(rc)) { goto end; } switch (lz4_info.blockSizeID) { case LZ4F_max64KB: dst_size = 1 << 16; break; case LZ4F_max256KB: dst_size = 1 << 18; break; case LZ4F_max1MB: dst_size = 1 << 20; break; case LZ4F_max4MB: dst_size = 1 << 22; break; default: goto end; } if (lz4_info.contentSize && lz4_info.contentSize < dst_size) { dst_size = (size_t)lz4_info.contentSize; } decompressed_buffer = wmem_alloc(pinfo->pool, dst_size); size_t out_size; int count = 0; do { src_size = length - src_offset; // set the number of available octets if (src_size == 0) { goto end; } out_size = dst_size; rc = LZ4F_decompress(lz4_ctxt, decompressed_buffer, &out_size, &data[src_offset], &src_size, NULL); if (LZ4F_isError(rc)) { goto end; } if (out_size == 0) { goto end; } if (!composite_tvb) { composite_tvb = tvb_new_composite(); } tvb_composite_append(composite_tvb, tvb_new_child_real_data(tvb, (guint8*)decompressed_buffer, (guint)out_size, (gint)out_size)); src_offset += src_size; // bump up the offset for the next iteration DISSECTOR_ASSERT_HINT(count < MAX_LOOP_ITERATIONS, "MAX_LOOP_ITERATIONS exceeded"); } while (rc > 0 && count++ < MAX_LOOP_ITERATIONS); ret = TRUE; end: if (composite_tvb) { tvb_composite_finalize(composite_tvb); } LZ4F_freeDecompressionContext(lz4_ctxt); if (ret == 1) { *decompressed_tvb = composite_tvb; *decompressed_offset = 0; } else { col_append_str(pinfo->cinfo, COL_INFO, " [lz4 decompression failed]"); } return ret; } #else static gboolean decompress_lz4(tvbuff_t *tvb _U_, packet_info *pinfo, int offset _U_, guint32 length _U_, tvbuff_t **decompressed_tvb _U_, int *decompressed_offset _U_) { col_append_str(pinfo->cinfo, COL_INFO, " [lz4 decompression unsupported]"); return FALSE; } #endif /* HAVE_LZ4FRAME_H */ #ifdef HAVE_SNAPPY static gboolean decompress_snappy(tvbuff_t *tvb, packet_info *pinfo, int offset, guint32 length, tvbuff_t **decompressed_tvb, int *decompressed_offset) { guint8 *data = (guint8*)tvb_memdup(pinfo->pool, tvb, offset, length); size_t uncompressed_size; snappy_status rc = SNAPPY_OK; tvbuff_t *composite_tvb = NULL; gboolean ret = FALSE; if (tvb_memeql(tvb, offset, kafka_xerial_header, sizeof(kafka_xerial_header)) == 0) { /* xerial framing format */ guint32 chunk_size, pos = 16; int count = 0; while (pos < length && count < MAX_LOOP_ITERATIONS) { if (pos > length-4) { // XXX - this is presumably an error, as the chunk size // doesn't fully fit in the data, so an error should be // reported. goto end; } chunk_size = tvb_get_ntohl(tvb, offset+pos); pos += 4; if (chunk_size > length) { // XXX - this is presumably an error, as the chunk to be // decompressed doesn't fully fit in the data, so an error // should be reported. goto end; } if (pos > length-chunk_size) { // XXX - this is presumably an error, as the chunk to be // decompressed doesn't fully fit in the data, so an error // should be reported. goto end; } rc = snappy_uncompressed_length(&data[pos], chunk_size, &uncompressed_size); if (rc != SNAPPY_OK) { goto end; } guint8 *decompressed_buffer = (guint8*)wmem_alloc(pinfo->pool, uncompressed_size); rc = snappy_uncompress(&data[pos], chunk_size, decompressed_buffer, &uncompressed_size); if (rc != SNAPPY_OK) { goto end; } if (!composite_tvb) { composite_tvb = tvb_new_composite(); } tvb_composite_append(composite_tvb, tvb_new_child_real_data(tvb, decompressed_buffer, (guint)uncompressed_size, (gint)uncompressed_size)); pos += chunk_size; wmem_free(pinfo->pool, decompressed_buffer); count++; DISSECTOR_ASSERT_HINT(count < MAX_LOOP_ITERATIONS, "MAX_LOOP_ITERATIONS exceeded"); } } else { /* unframed format */ rc = snappy_uncompressed_length(data, length, &uncompressed_size); if (rc != SNAPPY_OK) { goto end; } guint8 *decompressed_buffer = (guint8*)wmem_alloc(pinfo->pool, uncompressed_size); rc = snappy_uncompress(data, length, decompressed_buffer, &uncompressed_size); if (rc != SNAPPY_OK) { goto end; } *decompressed_tvb = tvb_new_child_real_data(tvb, decompressed_buffer, (guint)uncompressed_size, (gint)uncompressed_size); *decompressed_offset = 0; } ret = TRUE; end: if (composite_tvb) { tvb_composite_finalize(composite_tvb); if (ret == 1) { *decompressed_tvb = composite_tvb; *decompressed_offset = 0; } } if (ret == FALSE) { col_append_str(pinfo->cinfo, COL_INFO, " [snappy decompression failed]"); } return ret; } #else static gboolean decompress_snappy(tvbuff_t *tvb _U_, packet_info *pinfo, int offset _U_, int length _U_, tvbuff_t **decompressed_tvb _U_, int *decompressed_offset _U_) { col_append_str(pinfo->cinfo, COL_INFO, " [snappy decompression unsupported]"); return FALSE; } #endif /* HAVE_SNAPPY */ #ifdef HAVE_ZSTD static gboolean decompress_zstd(tvbuff_t *tvb, packet_info *pinfo, int offset, guint32 length, tvbuff_t **decompressed_tvb, int *decompressed_offset) { *decompressed_tvb = tvb_child_uncompress_zstd(tvb, tvb, offset, length); *decompressed_offset = 0; if (*decompressed_tvb) { return TRUE; } else { col_append_str(pinfo->cinfo, COL_INFO, " [zstd decompression failed] "); return FALSE; } } #else static gboolean decompress_zstd(tvbuff_t *tvb _U_, packet_info *pinfo, int offset _U_, guint32 length _U_, tvbuff_t **decompressed_tvb _U_, int *decompressed_offset _U_) { col_append_str(pinfo->cinfo, COL_INFO, " [zstd compression unsupported]"); return FALSE; } #endif /* HAVE_ZSTD */ // Max is currently 2^22 in // https://github.com/apache/kafka/blob/trunk/clients/src/main/java/org/apache/kafka/common/record/KafkaLZ4BlockOutputStream.java #define MAX_DECOMPRESSION_SIZE (1 << 22) static gboolean decompress(tvbuff_t *tvb, packet_info *pinfo, int offset, guint32 length, int codec, tvbuff_t **decompressed_tvb, int *decompressed_offset) { if (length > MAX_DECOMPRESSION_SIZE) { expert_add_info(pinfo, NULL, &ei_kafka_bad_decompression_length); return FALSE; } if (length == 0) { expert_add_info(pinfo, NULL, &ei_kafka_zero_decompression_length); return FALSE; } switch (codec) { case KAFKA_MESSAGE_CODEC_SNAPPY: return decompress_snappy(tvb, pinfo, offset, length, decompressed_tvb, decompressed_offset); case KAFKA_MESSAGE_CODEC_LZ4: return decompress_lz4(tvb, pinfo, offset, length, decompressed_tvb, decompressed_offset); case KAFKA_MESSAGE_CODEC_ZSTD: return decompress_zstd(tvb, pinfo, offset, length, decompressed_tvb, decompressed_offset); case KAFKA_MESSAGE_CODEC_GZIP: return decompress_gzip(tvb, pinfo, offset, length, decompressed_tvb, decompressed_offset); case KAFKA_MESSAGE_CODEC_NONE: return decompress_none(tvb, pinfo, offset, length, decompressed_tvb, decompressed_offset); default: col_append_str(pinfo->cinfo, COL_INFO, " [unsupported compression type]"); return FALSE; } } /* * Function: dissect_kafka_message_old * --------------------------------------------------- * Handles decoding of pre-0.11 message format. In the old format * only the message payload was the subject of compression * and the batches were special kind of message payload. * * https://kafka.apache.org/0100/documentation/#messageformat * * tvb: actual data buffer * pinfo: packet information * tree: protocol information tree to append the item * hf_item: protocol information item descriptor index * offset: pointer to the message * end_offset: last possible offset in this batch * * returns: pointer to the next message/batch */ static int dissect_kafka_message_old(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, int end_offset _U_) { proto_item *message_ti; proto_tree *subtree; tvbuff_t *decompressed_tvb; int decompressed_offset; int start_offset = offset; int bytes_offset; gint8 magic_byte; guint8 codec; guint32 message_size; guint32 length; message_size = tvb_get_guint32(tvb, start_offset + 8, ENC_BIG_ENDIAN); subtree = proto_tree_add_subtree(tree, tvb, start_offset, message_size + 12, ett_kafka_message, &message_ti, "Message"); offset = dissect_kafka_int64(subtree, hf_kafka_offset, tvb, pinfo, offset, NULL); offset = dissect_kafka_int32(subtree, hf_kafka_message_size, tvb, pinfo, offset, NULL); offset = dissect_kafka_int32(subtree, hf_kafka_message_crc, tvb, pinfo, offset, NULL); offset = dissect_kafka_int8(subtree, hf_kafka_message_magic, tvb, pinfo, offset, &magic_byte); offset = dissect_kafka_int8(subtree, hf_kafka_message_codec, tvb, pinfo, offset, &codec); codec &= KAFKA_MESSAGE_CODEC_MASK; offset = dissect_kafka_int8(subtree, hf_kafka_message_timestamp_type, tvb, pinfo, offset, NULL); if (magic_byte == 1) { proto_tree_add_item(subtree, hf_kafka_message_timestamp, tvb, offset, 8, ENC_TIME_MSECS|ENC_BIG_ENDIAN); offset += 8; } bytes_offset = dissect_kafka_regular_bytes(subtree, hf_kafka_message_key, tvb, pinfo, offset, NULL, NULL); if (bytes_offset > offset) { offset = bytes_offset; } else { expert_add_info(pinfo, message_ti, &ei_kafka_bad_bytes_length); return offset; } /* * depending on the compression codec, the payload is the actual message payload (codes=none) * or compressed set of messages (otherwise). In the new format (since Kafka 1.0) there * is no such duality. */ if (codec == 0) { bytes_offset = dissect_kafka_regular_bytes(subtree, hf_kafka_message_value, tvb, pinfo, offset, NULL, &length); if (bytes_offset > offset) { offset = bytes_offset; } else { expert_add_info(pinfo, message_ti, &ei_kafka_bad_bytes_length); return offset; } } else { length = tvb_get_ntohl(tvb, offset); offset += 4; if (decompress(tvb, pinfo, offset, length, codec, &decompressed_tvb, &decompressed_offset)==1) { add_new_data_source(pinfo, decompressed_tvb, "Decompressed content"); show_compression_reduction(tvb, subtree, length, tvb_captured_length(decompressed_tvb)); dissect_kafka_message_set(decompressed_tvb, pinfo, subtree, decompressed_offset, tvb_reported_length_remaining(decompressed_tvb, decompressed_offset), codec); offset += length; } else { proto_item_append_text(subtree, " [Cannot decompress records]"); } } proto_item_set_end(message_ti, tvb, offset); return offset; } /* * Function: dissect_kafka_message_new * --------------------------------------------------- * Handles decoding of the new message format. In the new format * there is no difference between compressed and plain batch. * * https://kafka.apache.org/documentation/#messageformat * * tvb: actual data buffer * pinfo: packet information * tree: protocol information tree to append the item * hf_item: protocol information item descriptor index * offset: pointer to the message * end_offset: last possible offset in this batch * * returns: pointer to the next message/batch */ static int dissect_kafka_message_new(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, int end_offset _U_) { proto_item *batch_ti; proto_tree *subtree; int start_offset = offset; gint8 magic_byte; guint16 codec; guint32 message_size; guint32 count, i, length; guint64 base_offset, first_timestamp; tvbuff_t *decompressed_tvb; int decompressed_offset; message_size = tvb_get_guint32(tvb, start_offset + 8, ENC_BIG_ENDIAN); subtree = proto_tree_add_subtree(tree, tvb, start_offset, message_size + 12, ett_kafka_batch, &batch_ti, "Record Batch"); offset = dissect_kafka_int64(subtree, hf_kafka_offset, tvb, pinfo, offset, &base_offset); offset = dissect_kafka_int32(subtree, hf_kafka_message_size, tvb, pinfo, offset, NULL); offset = dissect_kafka_int32(subtree, hf_kafka_leader_epoch, tvb, pinfo, offset, NULL); offset = dissect_kafka_int8(subtree, hf_kafka_message_magic, tvb, pinfo, offset, &magic_byte); if (magic_byte != 2) { proto_item_append_text(subtree, "[Unknown message magic]"); expert_add_info_format(pinfo, batch_ti, &ei_kafka_unknown_message_magic, "message magic: %d", magic_byte); return start_offset + 8 /*base offset*/ + 4 /*message size*/ + message_size; } offset = dissect_kafka_int32(subtree, hf_kafka_batch_crc, tvb, pinfo, offset, NULL); dissect_kafka_int16(subtree, hf_kafka_batch_codec, tvb, pinfo, offset, &codec); codec &= KAFKA_MESSAGE_CODEC_MASK; dissect_kafka_int16(subtree, hf_kafka_batch_timestamp_type, tvb, pinfo, offset, NULL); dissect_kafka_int16(subtree, hf_kafka_batch_transactional, tvb, pinfo, offset, NULL); dissect_kafka_int16(subtree, hf_kafka_batch_control_batch, tvb, pinfo, offset, NULL); // next octet is reserved offset += 2; offset = dissect_kafka_int32(subtree, hf_kafka_batch_last_offset_delta, tvb, pinfo, offset, NULL); offset = dissect_kafka_int64(subtree, hf_kafka_batch_first_timestamp, tvb, pinfo, offset, &first_timestamp); offset = dissect_kafka_int64(subtree, hf_kafka_batch_last_timestamp, tvb, pinfo, offset, NULL); offset = dissect_kafka_int64(subtree, hf_kafka_producer_id, tvb, pinfo, offset, NULL); offset = dissect_kafka_int16(subtree, hf_kafka_producer_epoch, tvb, pinfo, offset, NULL); offset = dissect_kafka_int32(subtree, hf_kafka_batch_base_sequence, tvb, pinfo, offset, NULL); offset = dissect_kafka_int32(subtree, hf_kafka_batch_size, tvb, pinfo, offset, &count); length = start_offset + 8 /*base offset*/ + 4 /*message size*/ + message_size - offset; if (decompress(tvb, pinfo, offset, length, codec, &decompressed_tvb, &decompressed_offset)==1) { if (codec != 0) { add_new_data_source(pinfo, decompressed_tvb, "Decompressed Records"); show_compression_reduction(tvb, subtree, length, tvb_captured_length(decompressed_tvb)); } for (i=0;i end_offset) { // in this case we deal with truncated message, where the size part may be also truncated // actually we may add truncated info proto_tree_add_item(tree, hf_kafka_truncated_content, tvb, offset, end_offset-offset, ENC_NA); return end_offset; } message_size = tvb_get_guint32(tvb, offset + 8, ENC_BIG_ENDIAN); if (offset + 12 + message_size > (guint32)end_offset) { // in this case we deal with truncated message, where the truncation point falls somewhere // in the message body proto_tree_add_item(tree, hf_kafka_truncated_content, tvb, offset, end_offset-offset, ENC_NA); return end_offset; } magic_byte = tvb_get_guint8(tvb, offset + 16); if (magic_byte < 2) { return dissect_kafka_message_old(tvb, pinfo, tree, offset, end_offset); } else { return dissect_kafka_message_new(tvb, pinfo, tree, offset, end_offset); } } static int dissect_kafka_message_set(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, gint offset, guint len, guint8 codec) { proto_item *ti; proto_tree *subtree; gint end_offset = offset + len; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_message_set, &ti, "Message Set"); /* If set came from a compressed message, make it obvious in tree root */ if (codec != KAFKA_MESSAGE_CODEC_NONE) { proto_item_append_text(subtree, " [from compressed %s message]", val_to_str_const(codec, kafka_message_codecs, "Unknown")); } while (offset < end_offset) { offset = dissect_kafka_message(tvb, pinfo, subtree, offset, end_offset); } if (offset != end_offset) { expert_add_info(pinfo, ti, &ei_kafka_bad_message_set_length); } proto_item_set_end(ti, tvb, offset); return offset; } /* Tagged fields support (since Kafka 2.4) */ /* * Other that in dissect_kafka_compacted_bytes the length is given as unsigned varint. */ static int dissect_kafka_tagged_field_data(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo, int offset, int *p_offset, int *p_len) { proto_item *pi; guint64 length; gint32 len; len = tvb_get_varint(tvb, offset, FT_VARINT_MAX_LEN, &length, ENC_VARINT_PROTOBUF); if (len == 0) length = 0; pi = proto_tree_add_item(tree, hf_item, tvb, offset+len, (gint)length, ENC_NA); if (len == 0) { expert_add_info(pinfo, pi, &ei_kafka_bad_varint); if (p_offset) { *p_offset = 0; } if (p_len) { *p_len = 0; } return tvb_captured_length(tvb); } offset = offset + len + (gint)length; if (p_offset != NULL) *p_offset = offset + len; if (p_len != NULL) *p_len = (int)length; return offset; } static int dissect_kafka_tagged_field(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_tagged_field, &subti, "Field"); offset = dissect_kafka_varuint(subtree, hf_kafka_tagged_field_tag, tvb, pinfo, offset, NULL); offset = dissect_kafka_tagged_field_data(subtree, hf_kafka_tagged_field_data, tvb, pinfo, offset, NULL, NULL); proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_tagged_fields(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { gint64 count; guint len; proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_tagged_fields, &subti, "Tagged fields"); len = tvb_get_varint(tvb, offset, FT_VARINT_MAX_LEN, &count, ENC_VARINT_PROTOBUF); if (len == 0) { expert_add_info(pinfo, subtree, &ei_kafka_bad_varint); return tvb_captured_length(tvb); } offset += len; /* * Contrary to compact arrays, tagged fields store just count * https://cwiki.apache.org/confluence/display/KAFKA/KIP-482%3A+The+Kafka+Protocol+should+Support+Optional+Tagged+Fields */ offset = dissect_kafka_array_elements(subtree, tvb, pinfo, offset, api_version, &dissect_kafka_tagged_field, (gint32)count); proto_item_set_end(subti, tvb, offset); return offset; } /* OFFSET FETCH REQUEST/RESPONSE */ static int dissect_kafka_partition_id_ret(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_partition_t *p_partition) { proto_tree_add_item(tree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN); if (p_partition != NULL) { *p_partition = tvb_get_ntohl(tvb, offset); } offset += 4; return offset; } static int dissect_kafka_partition_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { return dissect_kafka_partition_id_ret(tvb, pinfo, tree, offset, NULL); } static int dissect_kafka_offset_ret(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_offset_t *p_offset) { proto_tree_add_item(tree, hf_kafka_offset, tvb, offset, 8, ENC_BIG_ENDIAN); if (p_offset != NULL) { *p_offset = tvb_get_ntoh64(tvb, offset); } offset += 8; return offset; } static int dissect_kafka_offset(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { return dissect_kafka_offset_ret(tvb, pinfo, tree, offset, NULL); } static int dissect_kafka_leader_epoch(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_tree_add_item(tree, hf_kafka_leader_epoch, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; return offset; } static int dissect_kafka_offset_time(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *ti; gint64 message_offset_time; message_offset_time = tvb_get_ntoh64(tvb, offset); ti = proto_tree_add_item(tree, hf_kafka_offset_time, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; // The query for offset at given time takes the time in milliseconds since epoch. // It has two additional special values: // * -1 - the latest offset (to consume new messages only) // * -2 - the oldest offset (to consume all available messages) if (message_offset_time == -1) { proto_item_append_text(ti, " (latest)"); } else if (message_offset_time == -2) { proto_item_append_text(ti, " (earliest)"); } return offset; } static int dissect_kafka_offset_fetch_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *ti; proto_tree *subtree; gint32 count = 0; int topic_start, topic_len; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &ti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 6, &topic_start, &topic_len); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 6, api_version, &dissect_kafka_partition_id, &count); if (api_version >= 6) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(ti, tvb, offset); proto_item_append_text(ti, " (Topic: %s, Partitions: %u)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8), count); return offset; } static int dissect_kafka_offset_fetch_request_topics(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *ti; proto_tree *subtree; gint32 count = 0; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &ti, "Topics"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 6, api_version, &dissect_kafka_offset_fetch_request_topic, &count); proto_item_set_end(ti, tvb, offset); if (count < 0) { proto_item_append_text(ti, " (all committed topics)"); } else { proto_item_append_text(ti, " (%u topics)", count); } return offset; } static int dissect_kafka_offset_fetch_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { offset = dissect_kafka_string(tree, hf_kafka_consumer_group, tvb, pinfo, offset, api_version >=6, NULL, NULL); offset = dissect_kafka_offset_fetch_request_topics(tvb, pinfo, tree, offset, api_version); if (api_version >= 7) { proto_tree_add_item(tree, hf_kafka_require_stable_offset, tvb, offset, 1, ENC_NA); offset += 1; } if (api_version >= 6) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } static int dissect_kafka_error_ret(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_error_t *ret) { kafka_error_t error = (kafka_error_t) tvb_get_ntohs(tvb, offset); proto_tree_add_item(tree, hf_kafka_error, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; /* Show error in Info column */ if (error != 0) { col_append_fstr(pinfo->cinfo, COL_INFO, " [%s] ", kafka_error_to_str(error)); } if (ret) { *ret = error; } return offset; } static int dissect_kafka_error(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset) { return dissect_kafka_error_ret(tvb, pinfo, tree, offset, NULL); } static int dissect_kafka_throttle_time(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset) { proto_tree_add_item(tree, hf_kafka_throttle_time, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; return offset; } static int dissect_kafka_offset_fetch_response_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int start_offset, kafka_api_version_t api_version) { proto_item *ti; proto_tree *subtree; int offset = start_offset; kafka_packet_values_t packet_values; memset(&packet_values, 0, sizeof(packet_values)); subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &ti, "Partition"); offset = dissect_kafka_partition_id_ret(tvb, pinfo, subtree, offset, &packet_values.partition_id); offset = dissect_kafka_offset_ret(tvb, pinfo, subtree, offset, &packet_values.offset); if (api_version >= 5) { offset = dissect_kafka_leader_epoch(tvb, pinfo, subtree, offset, api_version); } offset = dissect_kafka_string(subtree, hf_kafka_metadata, tvb, pinfo, offset, api_version >= 6, NULL, NULL); offset = dissect_kafka_error(tvb, pinfo, subtree, offset); if (packet_values.offset==-1) { proto_item_append_text(ti, " (ID=%u, Offset=None)", packet_values.partition_id); } else { proto_item_append_text(ti, " (ID=%u, Offset=%" PRIi64 ")", packet_values.partition_id, packet_values.offset); } if (api_version >= 6) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(ti, tvb, offset); return offset; } static int dissect_kafka_offset_fetch_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *ti; proto_tree *subtree; int topic_start, topic_len; int count = 0; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &ti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 6, &topic_start, &topic_len); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 6, api_version, &dissect_kafka_offset_fetch_response_partition, &count); if (api_version >= 6) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } proto_item_set_end(ti, tvb, offset); proto_item_append_text(ti, " (Topic: %s, Partitions: %u)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8), count); return offset; } static int dissect_kafka_offset_fetch_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *ti; proto_tree *subtree; int count = 0; if (api_version >= 3) { offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); } subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &ti, "Topics"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 6, api_version, &dissect_kafka_offset_fetch_response_topic, &count); proto_item_set_end(ti, tvb, offset); proto_item_append_text(ti, " (%u topics)", count); if (api_version >= 2) { offset = dissect_kafka_error(tvb, pinfo, tree, offset); } if (api_version >= 6) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* METADATA REQUEST/RESPONSE */ static int dissect_kafka_metadata_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *ti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &ti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 9, NULL, NULL); if (api_version >= 9) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(ti, tvb, offset); return offset; } static int dissect_kafka_metadata_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 9, api_version, &dissect_kafka_metadata_request_topic, NULL); if (api_version >= 4) { proto_tree_add_item(tree, hf_kafka_allow_auto_topic_creation, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; } if (api_version >= 8) { proto_tree_add_item(tree, hf_kafka_include_cluster_authorized_ops, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(tree, hf_kafka_include_topic_authorized_ops, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; } if (api_version >= 9) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } static int dissect_kafka_metadata_broker(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *ti; proto_tree *subtree; guint32 nodeid; int host_start, host_len; guint32 broker_port; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_broker, &ti, "Broker"); nodeid = tvb_get_ntohl(tvb, offset); proto_tree_add_item(subtree, hf_kafka_broker_nodeid, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; offset = dissect_kafka_string(subtree, hf_kafka_broker_host, tvb, pinfo, offset, api_version >= 9, &host_start, &host_len); broker_port = tvb_get_ntohl(tvb, offset); proto_tree_add_item(subtree, hf_kafka_broker_port, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; if (api_version >= 1) { offset = dissect_kafka_string(subtree, hf_kafka_rack, tvb, pinfo, offset, api_version >= 9, NULL, NULL); } if (api_version >= 9) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_append_text(ti, " (node %u: %s:%u)", nodeid, tvb_get_string_enc(pinfo->pool, tvb, host_start, host_len, ENC_UTF_8), broker_port); proto_item_set_end(ti, tvb, offset); return offset; } static int dissect_kafka_metadata_replica(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_tree_add_item(tree, hf_kafka_replica, tvb, offset, 4, ENC_BIG_ENDIAN); return offset + 4; } static int dissect_kafka_metadata_isr(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_tree_add_item(tree, hf_kafka_isr, tvb, offset, 4, ENC_BIG_ENDIAN); return offset + 4; } static int dissect_kafka_metadata_offline(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_tree_add_item(tree, hf_kafka_offline, tvb, offset, 4, ENC_BIG_ENDIAN); return offset + 4; } static int dissect_kafka_metadata_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *ti, *subti; proto_tree *subtree, *subsubtree; kafka_partition_t partition; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &ti, "Partition"); offset = dissect_kafka_error(tvb, pinfo, subtree, offset); offset = dissect_kafka_partition_id_ret(tvb, pinfo, subtree, offset, &partition); proto_tree_add_item(subtree, hf_kafka_leader_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; if (api_version >= 7) { proto_tree_add_item(subtree, hf_kafka_leader_epoch, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_replicas, &subti, "Replicas"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 9, api_version, &dissect_kafka_metadata_replica, NULL); proto_item_set_end(subti, tvb, offset); subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_isrs, &subti, "Caught-Up Replicas"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 9, api_version, &dissect_kafka_metadata_isr, NULL); proto_item_set_end(subti, tvb, offset); if (api_version >= 5) { subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_offline, &subti, "Offline Replicas"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 9, api_version, &dissect_kafka_metadata_offline, NULL); proto_item_set_end(subti, tvb, offset); } if (api_version >= 9) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(ti, tvb, offset); proto_item_append_text(ti, " (ID=%u)", partition); return offset; } static int dissect_kafka_metadata_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *ti; proto_tree *subtree; int name_start, name_length; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &ti, "Topic"); offset = dissect_kafka_error(tvb, pinfo, subtree, offset); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 9, &name_start, &name_length); proto_item_append_text(ti, " (%s)", tvb_get_string_enc(pinfo->pool, tvb, name_start, name_length, ENC_UTF_8)); if (api_version >= 1) { proto_tree_add_item(subtree, hf_kafka_is_internal, tvb, offset, 1, ENC_NA); offset += 1; } offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 9, api_version, &dissect_kafka_metadata_partition, NULL); if (api_version >= 8) { proto_tree_add_item(subtree, hf_kafka_topic_authorized_ops, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } if (api_version >= 9) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(ti, tvb, offset); return offset; } static int dissect_kafka_metadata_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *ti; proto_tree *subtree; if (api_version >= 3) { offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); } subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_brokers, &ti, "Broker Metadata"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 9, api_version, &dissect_kafka_metadata_broker, NULL); proto_item_set_end(ti, tvb, offset); if (api_version >= 2) { offset = dissect_kafka_string(tree, hf_kafka_cluster_id, tvb, pinfo, offset, api_version >= 9, NULL, NULL); } if (api_version >= 1) { offset = dissect_kafka_int32(tree, hf_kafka_controller_id, tvb, pinfo, offset, NULL); } subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &ti, "Topic Metadata"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 9, api_version, &dissect_kafka_metadata_topic, NULL); proto_item_set_end(ti, tvb, offset); if (api_version >= 8) { offset = dissect_kafka_int32(tree, hf_kafka_cluster_authorized_ops, tvb, pinfo, offset, NULL); } if (api_version >= 9) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* LEADER_AND_ISR REQUEST/RESPONSE */ static int dissect_kafka_leader_and_isr_request_isr(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { /* isr */ proto_tree_add_item(tree, hf_kafka_isr, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; return offset; } static int dissect_kafka_leader_and_isr_request_replica(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { /* replica */ proto_tree_add_item(tree, hf_kafka_replica, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; return offset; } static int dissect_kafka_leader_and_isr_request_partition_state(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_tree *subtree, *subsubtree; proto_item *subti, *subsubti; int topic_start, topic_len; kafka_partition_t partition; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition"); /* topic */ if (api_version < 2) { offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_start, &topic_len); } /* partition */ partition = (kafka_partition_t) tvb_get_ntohl(tvb, offset); proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; /* controller_epoch */ proto_tree_add_item(subtree, hf_kafka_controller_epoch, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; /* leader */ proto_tree_add_item(subtree, hf_kafka_leader_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; /* leader_epoch */ proto_tree_add_item(subtree, hf_kafka_leader_epoch, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; /* [isr] */ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_isrs, &subsubti, "ISRs"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 4, api_version, &dissect_kafka_leader_and_isr_request_isr, NULL); proto_item_set_end(subsubti, tvb, offset); /* zk_version */ proto_tree_add_item(subtree, hf_kafka_zk_version, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; /* [replica] */ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_replicas, &subsubti, "Current Replicas"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 4, api_version, &dissect_kafka_leader_and_isr_request_replica, NULL); proto_item_set_end(subsubti, tvb, offset); if (api_version >= 3) { subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_replicas, &subsubti, "Adding Replicas"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 4, api_version, &dissect_kafka_leader_and_isr_request_replica, NULL); proto_item_set_end(subsubti, tvb, offset); } if (api_version >= 3) { subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_replicas, &subsubti, "Removing Replicas"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 4, api_version, &dissect_kafka_leader_and_isr_request_replica, NULL); proto_item_set_end(subsubti, tvb, offset); } if (api_version >= 1) { proto_tree_add_item(subtree, hf_kafka_is_new_replica, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; } if (api_version >= 4) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); if (api_version < 2) { proto_item_append_text(subti, " (Topic=%s, Partition-ID=%u)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8), partition); } else { proto_item_append_text(subti, " (Partition-ID=%u)", partition); } return offset; } static int dissect_kafka_leader_and_isr_request_topic_state(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_tree *subtree; proto_item *subti; int topic_start, topic_len; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); /* topic */ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 4, &topic_start, &topic_len); /* [partition_state] */ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 4, api_version, &dissect_kafka_leader_and_isr_request_partition_state, NULL); if (api_version >= 4) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_append_text(subti, " (Name=%s)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8)); return offset; } static int dissect_kafka_leader_and_isr_request_live_leader(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti; proto_tree *subtree; gint32 nodeid; int host_start, host_len; gint32 broker_port; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_broker, &subti, "Live Leader"); /* id */ nodeid = tvb_get_ntohl(tvb, offset); proto_tree_add_item(subtree, hf_kafka_broker_nodeid, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; /* host */ offset = dissect_kafka_string(subtree, hf_kafka_broker_host, tvb, pinfo, offset,api_version >= 4, &host_start, &host_len); /* port */ broker_port = tvb_get_ntohl(tvb, offset); proto_tree_add_item(subtree, hf_kafka_broker_port, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; if (api_version >= 4) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (node %u: %s:%u)", nodeid, tvb_get_string_enc(pinfo->pool, tvb, host_start, host_len, ENC_UTF_8), broker_port); return offset; } static int dissect_kafka_leader_and_isr_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { gint32 controller_id; /* controller_id */ controller_id = (gint32) tvb_get_ntohl(tvb, offset); proto_tree_add_item(tree, hf_kafka_controller_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; /* controller_epoch */ proto_tree_add_item(tree, hf_kafka_controller_epoch, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; if (api_version >= 2) { /* broker_epoch */ proto_tree_add_item(tree, hf_kafka_broker_epoch, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; } if (api_version <= 1) { /* [partition_state] */ offset = dissect_kafka_array(tree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_leader_and_isr_request_partition_state, NULL); } else { /* [topic_state] */ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 4, api_version, &dissect_kafka_leader_and_isr_request_topic_state, NULL); } /* [live_leader] */ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 4, api_version, &dissect_kafka_leader_and_isr_request_live_leader, NULL); if (api_version >= 4) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } col_append_fstr(pinfo->cinfo, COL_INFO, " (Controller-ID=%d)", controller_id); return offset; } static int dissect_kafka_leader_and_isr_response_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti; proto_tree *subtree; int topic_start, topic_len; kafka_partition_t partition; kafka_error_t error; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition"); /* topic */ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 4, &topic_start, &topic_len); /* partition */ partition = (gint32) tvb_get_ntohl(tvb, offset); proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; /* error_code */ offset = dissect_kafka_error_ret(tvb, pinfo, subtree, offset, &error); if (api_version >= 4) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Topic=%s, Partition-ID=%u, Error=%s)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8), partition, kafka_error_to_str(error)); return offset; } static int dissect_kafka_leader_and_isr_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { /* error_code */ offset = dissect_kafka_error(tvb, pinfo, tree, offset); /* [partition] */ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 4, api_version, &dissect_kafka_leader_and_isr_response_partition, NULL); if (api_version >= 4) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* STOP_REPLICA REQUEST/RESPONSE */ static int dissect_kafka_stop_replica_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; int topic_start, topic_len; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); /* topic */ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 2, &topic_start, &topic_len); subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 2, api_version, &dissect_kafka_partition_id, NULL); proto_item_set_end(subsubti, tvb, offset); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Topic=%s)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8)); return offset; } static int dissect_kafka_stop_replica_request_ungrouped_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti; proto_tree *subtree; int topic_start, topic_len; kafka_partition_t partition; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Partition"); /* topic */ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_start, &topic_len); /* partition */ partition = (gint32) tvb_get_ntohl(tvb, offset); proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Topic=%s, Partition-ID=%u)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8), partition); return offset; } static int dissect_kafka_stop_replica_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; gint32 controller_id; /* controller_id */ controller_id = (gint32) tvb_get_ntohl(tvb, offset); proto_tree_add_item(tree, hf_kafka_controller_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; /* controller_epoch */ proto_tree_add_item(tree, hf_kafka_controller_epoch, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; /* broker_epoch */ if (api_version >= 1) { proto_tree_add_item(tree, hf_kafka_broker_epoch, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; } /* delete_partitions */ proto_tree_add_item(tree, hf_kafka_delete_partitions, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; /* in V1 list of topic/partition was changed to list of topics with their partitions */ if (api_version == 0) { /* [ungrouped_partitions] */ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partitions, &subti, "Ungrouped Partitions"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_stop_replica_request_ungrouped_partition, NULL); proto_item_set_end(subti, tvb, offset); } else { /* [topics] */ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subti, "Topics"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2, api_version, &dissect_kafka_stop_replica_request_topic, NULL); proto_item_set_end(subti, tvb, offset); } if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } col_append_fstr(pinfo->cinfo, COL_INFO, " (Controller-ID=%d)", controller_id); return offset; } static int dissect_kafka_stop_replica_response_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; int topic_start, topic_len; kafka_error_t error; kafka_partition_t partition; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition"); /* topic */ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 2, &topic_start, &topic_len); /* partition */ partition = (gint32) tvb_get_ntohl(tvb, offset); proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; /* error_code */ offset = dissect_kafka_error_ret(tvb, pinfo, subtree, offset, &error); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Topic=%s, Partition-ID=%u, Error=%s)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8), partition, kafka_error_to_str(error)); return offset; } static int dissect_kafka_stop_replica_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { /* error_code */ offset = dissect_kafka_error(tvb, pinfo, tree, offset); /* [partition] */ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 2, api_version, &dissect_kafka_stop_replica_response_partition, NULL); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* FETCH REQUEST/RESPONSE */ static int dissect_kafka_fetch_request_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *ti; proto_tree *subtree; kafka_packet_values_t packet_values; memset(&packet_values, 0, sizeof(packet_values)); subtree = proto_tree_add_subtree(tree, tvb, offset, 16, ett_kafka_partition, &ti, "Partition"); offset = dissect_kafka_partition_id_ret(tvb, pinfo, subtree, offset, &packet_values.partition_id); if (api_version >= 9) { proto_tree_add_item(subtree, hf_kafka_leader_epoch, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } offset = dissect_kafka_offset_ret(tvb, pinfo, subtree, offset, &packet_values.offset); if (api_version >= 5) { proto_tree_add_item(subtree, hf_kafka_log_start_offset, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; } proto_tree_add_item(subtree, hf_kafka_max_bytes, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; proto_item_append_text(ti, " (ID=%u, Offset=%" PRIi64 ")", packet_values.partition_id, packet_values.offset); return offset; } static int dissect_kafka_fetch_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *ti; proto_tree *subtree; guint32 count = 0; int name_start, name_length; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &ti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &name_start, &name_length); count = tvb_get_ntohl(tvb, offset); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_fetch_request_partition, NULL); proto_item_set_end(ti, tvb, offset); proto_item_append_text(ti, " (%u partitions)", count); return offset; } static int dissect_kafka_fetch_request_forgottent_topic_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_tree_add_item(tree, hf_kafka_forgotten_topic_partition, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; return offset; } static int dissect_kafka_fetch_request_forgotten_topics_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *ti; proto_tree *subtree; guint32 count = 0; int name_start, name_length; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_request_forgotten_topic, &ti, "Fetch Request Forgotten Topic Data"); offset = dissect_kafka_string(subtree, hf_kafka_forgotten_topic_name, tvb, pinfo, offset, 0, &name_start, &name_length); count = tvb_get_ntohl(tvb, offset); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_fetch_request_forgottent_topic_partition, NULL); proto_item_set_end(ti, tvb, offset); proto_item_append_text(ti, " (%u partitions)", count); return offset; } static int dissect_kafka_fetch_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_tree_add_item(tree, hf_kafka_replica, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; proto_tree_add_item(tree, hf_kafka_max_wait_time, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; proto_tree_add_item(tree, hf_kafka_min_bytes, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; if (api_version >= 3) { proto_tree_add_item(tree, hf_kafka_max_bytes, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } if (api_version >= 4) { proto_tree_add_item(tree, hf_kafka_isolation_level, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; } if (api_version >= 7) { proto_tree_add_item(tree, hf_kafka_fetch_session_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; proto_tree_add_item(tree, hf_kafka_fetch_session_epoch, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } offset = dissect_kafka_array(tree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_fetch_request_topic, NULL); if (api_version >= 7) { offset = dissect_kafka_array(tree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_fetch_request_forgotten_topics_data, NULL); } if (api_version >= 11) { offset = dissect_kafka_string(tree, hf_kafka_rack, tvb, pinfo, offset, 0, NULL, NULL); } return offset; } static int dissect_kafka_aborted_transaction(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *ti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_aborted_transaction, &ti, "Transaction"); proto_tree_add_item(subtree, hf_kafka_producer_id, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; proto_tree_add_item(subtree, hf_kafka_first_offset, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; proto_item_set_end(ti, tvb, offset); return offset; } static int dissect_kafka_aborted_transactions(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *ti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_aborted_transactions, &ti, "Aborted Transactions"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_aborted_transaction, NULL); proto_item_set_end(ti, tvb, offset); return offset; } static int dissect_kafka_fetch_response_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *ti; proto_tree *subtree; guint len; kafka_packet_values_t packet_values; memset(&packet_values, 0, sizeof(packet_values)); subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &ti, "Partition"); offset = dissect_kafka_partition_id_ret(tvb, pinfo, subtree, offset, &packet_values.partition_id); offset = dissect_kafka_error(tvb, pinfo, subtree, offset); offset = dissect_kafka_offset_ret(tvb, pinfo, subtree, offset, &packet_values.offset); if (api_version >= 4) { proto_tree_add_item(subtree, hf_kafka_last_stable_offset, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; } if (api_version >= 5) { proto_tree_add_item(subtree, hf_kafka_log_start_offset, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; } if (api_version >= 4) { offset = dissect_kafka_aborted_transactions(tvb, pinfo, subtree, offset, api_version); } if (api_version >= 11) { proto_tree_add_item(subtree, hf_kafka_replica, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } len = tvb_get_ntohl(tvb, offset); offset += 4; if (len > 0) { offset = dissect_kafka_message_set(tvb, pinfo, subtree, offset, len, KAFKA_MESSAGE_CODEC_NONE); } proto_item_set_end(ti, tvb, offset); proto_item_append_text(ti, " (ID=%u, Offset=%" PRIi64 ")", packet_values.partition_id, packet_values.offset); return offset; } static int dissect_kafka_fetch_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *ti; proto_tree *subtree; guint32 count = 0; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &ti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, NULL, NULL); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_fetch_response_partition, &count); proto_item_set_end(ti, tvb, offset); proto_item_append_text(ti, " (%u partitions)", count); return offset; } static int dissect_kafka_fetch_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { if (api_version >= 1) { offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); } if (api_version >= 7) { offset = dissect_kafka_error(tvb, pinfo, tree, offset); proto_tree_add_item(tree, hf_kafka_fetch_session_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } return dissect_kafka_array(tree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_fetch_response_topic, NULL); } /* PRODUCE REQUEST/RESPONSE */ static int dissect_kafka_produce_request_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *ti; proto_tree *subtree; guint len; kafka_packet_values_t packet_values; memset(&packet_values, 0, sizeof(packet_values)); subtree = proto_tree_add_subtree(tree, tvb, offset, 14, ett_kafka_partition, &ti, "Partition"); offset = dissect_kafka_partition_id_ret(tvb, pinfo, subtree, offset, &packet_values.partition_id); len = tvb_get_ntohl(tvb, offset); offset += 4; if (len > 0) { offset = dissect_kafka_message_set(tvb, pinfo, subtree, offset, len, KAFKA_MESSAGE_CODEC_NONE); } proto_item_append_text(ti, " (ID=%u)", packet_values.partition_id); proto_item_set_end(ti, tvb, offset); return offset; } static int dissect_kafka_produce_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int start_offset, kafka_api_version_t api_version) { proto_item *ti; proto_tree *subtree; int offset = start_offset; int topic_off, topic_len; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &ti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_off, &topic_len); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_produce_request_partition, NULL); proto_item_append_text(ti, " (Name=%s)", tvb_get_string_enc(pinfo->pool, tvb, topic_off, topic_len, ENC_UTF_8)); proto_item_set_end(ti, tvb, offset); return offset; } static int dissect_kafka_produce_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { if (api_version >= 3) { offset = dissect_kafka_string(tree, hf_kafka_transactional_id, tvb, pinfo, offset, 0, NULL, NULL); } proto_tree_add_item(tree, hf_kafka_required_acks, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(tree, hf_kafka_timeout, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; offset = dissect_kafka_array(tree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_produce_request_topic, NULL); return offset; } static int dissect_kafka_produce_response_partition_record_error(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *ti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_record_error, &ti, "Record Error"); proto_tree_add_item(subtree, hf_kafka_batch_index, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; offset = dissect_kafka_string(subtree, hf_kafka_batch_index_error_message, tvb, pinfo, offset, 0, NULL, NULL); proto_item_set_end(ti, tvb, offset); return offset; } static int dissect_kafka_produce_response_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *ti, *subti; proto_tree *subtree, *subsubtree; kafka_packet_values_t packet_values; memset(&packet_values, 0, sizeof(packet_values)); subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &ti, "Partition"); offset = dissect_kafka_partition_id_ret(tvb, pinfo, subtree, offset, &packet_values.partition_id); offset = dissect_kafka_error(tvb, pinfo, subtree, offset); offset = dissect_kafka_offset_ret(tvb, pinfo, subtree, offset, &packet_values.offset); if (api_version >= 2) { offset = dissect_kafka_offset_time(tvb, pinfo, subtree, offset, api_version); } if (api_version >= 5) { proto_tree_add_item(subtree, hf_kafka_log_start_offset, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; } if (api_version >= 8) { subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_record_errors, &subti, "Record Errors"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_produce_response_partition_record_error, NULL); proto_item_set_end(subti, tvb, offset); } if (api_version >= 8) { offset = dissect_kafka_string(subtree, hf_kafka_error_message, tvb, pinfo, offset, 0, NULL, NULL); } proto_item_set_end(ti, tvb, offset); proto_item_append_text(ti, " (ID=%u, Offset=%" PRIi64 ")", packet_values.partition_id, packet_values.offset); return offset; } static int dissect_kafka_produce_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *ti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &ti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, NULL, NULL); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_produce_response_partition, NULL); proto_item_set_end(ti, tvb, offset); return offset; } static int dissect_kafka_produce_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { offset = dissect_kafka_array(tree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_produce_response_topic, NULL); if (api_version >= 1) { offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); } return offset; } /* OFFSETS REQUEST/RESPONSE */ static int dissect_kafka_offsets_request_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *ti; proto_tree *subtree; kafka_partition_t partition = 0; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &ti, "Partition"); offset = dissect_kafka_partition_id_ret(tvb, pinfo, subtree, offset, &partition); if (api_version >= 4) { proto_tree_add_item(subtree, hf_kafka_leader_epoch, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } offset = dissect_kafka_offset_time(tvb, pinfo, subtree, offset, api_version); if (api_version == 0) { proto_tree_add_item(subtree, hf_kafka_max_offsets, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } proto_item_set_end(ti, tvb, offset); proto_item_append_text(ti, " (ID=%u)", partition); return offset; } static int dissect_kafka_offsets_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *ti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &ti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, NULL, NULL); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_offsets_request_partition, NULL); proto_item_set_end(ti, tvb, offset); return offset; } static int dissect_kafka_offsets_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_tree_add_item(tree, hf_kafka_replica, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; if (api_version >= 2) { proto_tree_add_item(tree, hf_kafka_isolation_level, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; } offset = dissect_kafka_array(tree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_offsets_request_topic, NULL); return offset; } static int dissect_kafka_offsets_response_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *ti; proto_tree *subtree; kafka_partition_t partition = 0; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &ti, "Partition"); offset = dissect_kafka_partition_id_ret(tvb, pinfo, subtree, offset, &partition); offset = dissect_kafka_error(tvb, pinfo, subtree, offset); if (api_version == 0) { offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_offset, NULL); } else if (api_version >= 1) { offset = dissect_kafka_offset_time(tvb, pinfo, subtree, offset, api_version); offset = dissect_kafka_offset_ret(tvb, pinfo, subtree, offset, NULL); } if (api_version >= 4) { proto_tree_add_item(subtree, hf_kafka_leader_epoch, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } proto_item_set_end(ti, tvb, offset); proto_item_append_text(ti, " (ID=%u)", partition); return offset; } static int dissect_kafka_offsets_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *ti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &ti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, NULL, NULL); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_offsets_response_partition, NULL); proto_item_set_end(ti, tvb, offset); return offset; } static int dissect_kafka_offsets_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int start_offset, kafka_api_version_t api_version) { int offset = start_offset; if (api_version >= 2) { offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); } return dissect_kafka_array(tree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_offsets_response_topic, NULL); } /* API_VERSIONS REQUEST/RESPONSE */ static int dissect_kafka_api_versions_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { if (api_version >= 3) { offset = dissect_kafka_compact_string(tree, hf_kafka_client_software_name, tvb, pinfo, offset, NULL, NULL); offset = dissect_kafka_compact_string(tree, hf_kafka_client_software_version, tvb, pinfo, offset, NULL, NULL); offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } static int dissect_kafka_api_versions_response_api_version(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *ti; proto_tree *subtree; kafka_api_key_t api_key; kafka_api_version_t min_version, max_version; const kafka_api_info_t *api_info; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_api_version, &ti, "API Version"); api_key = tvb_get_ntohs(tvb, offset); proto_tree_add_item(subtree, hf_kafka_api_versions_api_key, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; min_version = tvb_get_ntohs(tvb, offset); proto_tree_add_item(subtree, hf_kafka_api_versions_min_version, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; max_version = tvb_get_ntohs(tvb, offset); proto_tree_add_item(subtree, hf_kafka_api_versions_max_version, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_item_set_end(ti, tvb, offset); if (max_version != min_version) { /* Range of versions supported. */ proto_item_append_text(subtree, " %s (v%d-%d)", kafka_api_key_to_str(api_key), min_version, max_version); } else { /* Only one version. */ proto_item_append_text(subtree, " %s (v%d)", kafka_api_key_to_str(api_key), min_version); } api_info = kafka_get_api_info(api_key); if (api_info == NULL) { proto_item_append_text(subtree, " [Unknown API key]"); expert_add_info_format(pinfo, ti, &ei_kafka_unknown_api_key, "%s API key", kafka_api_key_to_str(api_key)); } else if (!kafka_is_api_version_supported(api_info, min_version) || !kafka_is_api_version_supported(api_info, max_version)) { if (api_info->min_version == -1) { proto_item_append_text(subtree, " [Unsupported API version]"); expert_add_info_format(pinfo, ti, &ei_kafka_unsupported_api_version, "Unsupported %s version.", kafka_api_key_to_str(api_key)); } else if (api_info->min_version == api_info->max_version) { proto_item_append_text(subtree, " [Unsupported API version. Supports v%d]", api_info->min_version); expert_add_info_format(pinfo, ti, &ei_kafka_unsupported_api_version, "Unsupported %s version. Supports v%d.", kafka_api_key_to_str(api_key), api_info->min_version); } else { proto_item_append_text(subtree, " [Unsupported API version. Supports v%d-%d]", api_info->min_version, api_info->max_version); expert_add_info_format(pinfo, ti, &ei_kafka_unsupported_api_version, "Unsupported %s version. Supports v%d-%d.", kafka_api_key_to_str(api_key), api_info->min_version, api_info->max_version); } } if (api_version >= 3) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } return offset; } static int dissect_kafka_api_versions_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { /* error_code */ offset = dissect_kafka_error(tvb, pinfo, tree, offset); /* [api_version] */ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 3, api_version, &dissect_kafka_api_versions_response_api_version, NULL); if (api_version >= 1) { offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); } if (api_version >= 3) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* UPDATE_METADATA REQUEST/RESPONSE */ static int dissect_kafka_update_metadata_request_replica(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { return dissect_kafka_int32(tree, hf_kafka_replica, tvb, pinfo, offset, NULL); } static int dissect_kafka_update_metadata_request_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_tree *subtree, *subsubtree; proto_item *subti, *subsubti; int topic_start, topic_len; kafka_partition_t partition; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition"); /* topic */ if (api_version < 5) { offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_start, &topic_len); } /* partition */ offset = dissect_kafka_int32(subtree, hf_kafka_partition_id, tvb, pinfo, offset, &partition); /* controller_epoch */ offset = dissect_kafka_int32(subtree, hf_kafka_controller_epoch, tvb, pinfo, offset, NULL); /* leader */ offset = dissect_kafka_int32(subtree, hf_kafka_leader_id, tvb, pinfo, offset, NULL); /* leader_epoch */ offset = dissect_kafka_int32(subtree, hf_kafka_leader_epoch, tvb, pinfo, offset, NULL); /* [isr] */ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_isrs, &subsubti, "Insync Replicas"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 6, api_version, &dissect_kafka_update_metadata_request_replica, NULL); proto_item_set_end(subsubti, tvb, offset); /* zk_version */ offset = dissect_kafka_int32(subtree, hf_kafka_zk_version, tvb, pinfo, offset, NULL); /* [replica] */ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_replicas, &subsubti, "Replicas"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 6, api_version, &dissect_kafka_update_metadata_request_replica, NULL); proto_item_set_end(subsubti, tvb, offset); /* [offline_replica] */ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_replicas, &subsubti, "Offline Replicas"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 6, api_version, &dissect_kafka_update_metadata_request_replica, NULL); proto_item_set_end(subsubti, tvb, offset); if (api_version >= 6) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); if (api_version >= 5) { proto_item_append_text(subti, " (Partition-ID=%u)", partition); } else { proto_item_append_text(subti, " (Topic=%s, Partition-ID=%u)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8), partition); } return offset; } static int dissect_kafka_update_metadata_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_tree *subtree; proto_item *subti; int topic_start, topic_len; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); /* topic */ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 6, &topic_start, &topic_len); /* partitions */ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 6, api_version, &dissect_kafka_update_metadata_request_partition, NULL); if (api_version >= 6) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Topic=%s)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8)); return offset; } static int dissect_kafka_update_metadata_request_endpoint(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti; proto_tree *subtree; int host_start, host_len; gint32 broker_port; gint16 security_protocol_type; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_broker_end_point, &subti, "End Point"); /* port */ offset = dissect_kafka_int32(subtree, hf_kafka_broker_port, tvb, pinfo, offset, &broker_port); /* host */ offset = dissect_kafka_string(subtree, hf_kafka_broker_host, tvb, pinfo, offset, api_version >= 6, &host_start, &host_len); /* listener_name */ if (api_version >= 3) { offset = dissect_kafka_string(subtree, hf_kafka_listener_name, tvb, pinfo, offset, api_version >= 6, NULL, NULL); } /* security_protocol_type */ offset = dissect_kafka_int16(subtree, hf_kafka_broker_security_protocol_type, tvb, pinfo, offset, &security_protocol_type); if (api_version >= 6) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (%s://%s:%d)", val_to_str_const(security_protocol_type, kafka_security_protocol_types, "UNKNOWN"), tvb_get_string_enc(pinfo->pool, tvb, host_start, host_len, ENC_UTF_8), broker_port); return offset; } static int dissect_kafka_update_metadata_request_broker(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; gint32 nodeid; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_broker, &subti, "Live Leader"); /* id */ offset = dissect_kafka_int32(subtree, hf_kafka_broker_nodeid, tvb, pinfo, offset, &nodeid); if (api_version == 0) { int host_start, host_len; gint32 broker_port; /* host */ offset = dissect_kafka_string(subtree, hf_kafka_broker_host, tvb, pinfo, offset, 0, &host_start, &host_len); /* port */ offset = dissect_kafka_int32(tree, hf_kafka_broker_port, tvb, pinfo, offset, &broker_port); proto_item_append_text(subti, " (node %u: %s:%u)", nodeid, tvb_get_string_enc(pinfo->pool, tvb, host_start, host_len, ENC_UTF_8), broker_port); } else if (api_version >= 1) { /* [end_point] */ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 6, api_version, &dissect_kafka_update_metadata_request_endpoint, NULL); if (api_version >= 2) { /* rack */ offset = dissect_kafka_string(subtree, hf_kafka_rack, tvb, pinfo, offset, api_version >= 6, NULL, NULL); } proto_item_append_text(subti, " (node %d)", nodeid); } if (api_version >= 6) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_update_metadata_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { gint32 controller_id; /* controller_id */ offset = dissect_kafka_int32(tree, hf_kafka_controller_id, tvb, pinfo, offset, &controller_id); /* controller_epoch */ offset = dissect_kafka_int32(tree, hf_kafka_controller_epoch, tvb, pinfo, offset, NULL); /* broker_epoch */ if (api_version >= 5) { offset = dissect_kafka_int64(tree, hf_kafka_broker_epoch, tvb, pinfo, offset, NULL); } if (api_version >= 5) { /* [topic_state] */ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 6, api_version, &dissect_kafka_update_metadata_request_topic, NULL); } else { /* [partition_state] */ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 6, api_version, &dissect_kafka_update_metadata_request_partition, NULL); } /* [live_leader] */ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 6, api_version, &dissect_kafka_update_metadata_request_broker, NULL); if (api_version >= 6) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } static int dissect_kafka_update_metadata_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { /* error_code */ offset = dissect_kafka_error(tvb, pinfo, tree, offset); if (api_version >= 6) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* CONTROLLED_SHUTDOWN REQUEST/RESPONSE */ static int dissect_kafka_controlled_shutdown_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { gint32 broker_id; /* broker_id */ broker_id = (gint32) tvb_get_ntohl(tvb, offset); proto_tree_add_item(tree, hf_kafka_broker_nodeid, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; if (api_version >= 2) { proto_tree_add_item(tree, hf_kafka_broker_epoch, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; } if (api_version >= 3) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } col_append_fstr(pinfo->cinfo, COL_INFO, " (Broker-ID=%d)", broker_id); return offset; } static int dissect_kafka_controlled_shutdown_response_partition_remaining(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; int topic_start, topic_len; kafka_partition_t partition; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition Remaining"); /* topic */ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 3, &topic_start, &topic_len); /* partition */ partition = (gint32) tvb_get_ntohl(tvb, offset); proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; if (api_version >= 3) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Topic=%s, Partition-ID=%d)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8), partition); return offset; } static int dissect_kafka_controlled_shutdown_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { /* error_code */ offset = dissect_kafka_error(tvb, pinfo, tree, offset); /* [partition_remaining] */ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 3, api_version, &dissect_kafka_controlled_shutdown_response_partition_remaining, NULL); if (api_version >= 3) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* OFFSET_COMMIT REQUEST/RESPONSE */ static int dissect_kafka_offset_commit_request_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti; proto_tree *subtree; kafka_partition_t partition_id; kafka_offset_t partition_offset; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition"); /* partition */ partition_id = (gint32) tvb_get_ntohl(tvb, offset); proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; /* offset */ partition_offset = (gint64) tvb_get_ntoh64(tvb, offset); proto_tree_add_item(subtree, hf_kafka_offset, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; if (api_version >= 6) { proto_tree_add_item(subtree, hf_kafka_leader_epoch, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } if (api_version == 1) { /* timestamp */ proto_tree_add_item(subtree, hf_kafka_commit_timestamp, tvb, offset, 8, ENC_TIME_MSECS|ENC_BIG_ENDIAN); offset += 8; } /* metadata */ offset = dissect_kafka_string(subtree, hf_kafka_metadata, tvb, pinfo, offset, api_version >= 8, NULL, NULL); if (api_version >= 8) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (ID=%u, Offset=%" PRIi64 ")", partition_id, partition_offset); return offset; } static int dissect_kafka_offset_commit_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; int topic_start, topic_len; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); /* topic */ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 8, &topic_start, &topic_len); /* [partition] */ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 8, api_version, &dissect_kafka_offset_commit_request_partition, NULL); if (api_version >= 8) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Topic=%s)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8)); return offset; } static int dissect_kafka_offset_commit_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { int group_start = 0, group_len; /* group_id */ offset = dissect_kafka_string(tree, hf_kafka_consumer_group, tvb, pinfo, offset, api_version >= 8, &group_start, &group_len); if (api_version >= 1) { /* group_generation_id */ proto_tree_add_item(tree, hf_kafka_generation_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } /* member_id */ if (api_version >= 1) { offset = dissect_kafka_string(tree, hf_kafka_member_id, tvb, pinfo, offset, api_version >= 8, NULL, NULL); } /* instance_id */ if (api_version >= 7) { offset = dissect_kafka_string(tree, hf_kafka_consumer_group_instance, tvb, pinfo, offset, api_version >= 8, NULL, NULL); } /* retention_time */ if (api_version >= 2 && api_version < 5) { proto_tree_add_item(tree, hf_kafka_retention_time, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; } /* [topic] */ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 8, api_version, &dissect_kafka_offset_commit_request_topic, NULL); if (api_version >= 8) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } col_append_fstr(pinfo->cinfo, COL_INFO, " (Group=%s)", tvb_get_string_enc(pinfo->pool, tvb, group_start, group_len, ENC_UTF_8)); return offset; } static int dissect_kafka_offset_commit_response_partition_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti; proto_tree *subtree; kafka_partition_t partition; kafka_error_t error; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition"); /* partition */ partition = (gint32) tvb_get_ntohl(tvb, offset); proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; /* error_code */ offset = dissect_kafka_error_ret(tvb, pinfo, subtree, offset, &error); if (api_version >= 8) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Partition-ID=%d, Error=%s)", partition, kafka_error_to_str(error)); return offset; } static int dissect_kafka_offset_commit_response_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; int topic_start, topic_len; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); /* topic */ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 8, &topic_start, &topic_len); /* [partition_response] */ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 8, api_version, &dissect_kafka_offset_commit_response_partition_response, NULL); if (api_version >= 8) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Name=%s)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8)); return offset; } static int dissect_kafka_offset_commit_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { if (api_version >= 3) { offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); } /* [responses] */ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 8, api_version, &dissect_kafka_offset_commit_response_response, NULL); if (api_version >= 8) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* GROUP_COORDINATOR REQUEST/RESPONSE */ static int dissect_kafka_find_coordinator_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { int group_start, group_len; if (api_version == 0) { /* group_id */ offset = dissect_kafka_string(tree, hf_kafka_consumer_group, tvb, pinfo, offset, 0, &group_start, &group_len); col_append_fstr(pinfo->cinfo, COL_INFO, " (Group=%s)", tvb_get_string_enc(pinfo->pool, tvb, group_start, group_len, ENC_UTF_8)); } else { offset = dissect_kafka_string(tree, hf_kafka_coordinator_key, tvb, pinfo, offset, api_version >= 3, NULL, NULL); proto_tree_add_item(tree, hf_kafka_coordinator_type, tvb, offset, 1, ENC_NA); offset += 1; } if (api_version >= 3) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } static int dissect_kafka_find_coordinator_response_coordinator(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti; proto_tree *subtree; gint32 node_id; int host_start, host_len; gint32 port; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_broker, &subti, "Coordinator"); /* node_id */ node_id = (gint32) tvb_get_ntohl(tvb, offset); proto_tree_add_item(subtree, hf_kafka_broker_nodeid, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; /* host */ offset = dissect_kafka_string(subtree, hf_kafka_broker_host, tvb, pinfo, offset, api_version >= 3, &host_start, &host_len); /* port */ port = (gint32) tvb_get_ntohl(tvb, offset); proto_tree_add_item(subtree, hf_kafka_broker_port, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; proto_item_set_end(subti, tvb, offset); if (node_id >= 0) { proto_item_append_text(subti, " (node %d: %s:%d)", node_id, tvb_get_string_enc(pinfo->pool, tvb, host_start, host_len, ENC_UTF_8), port); } else { proto_item_append_text(subti, " (none)"); } return offset; } static int dissect_kafka_find_coordinator_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { if (api_version >= 1) { offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); } /* error_code */ offset = dissect_kafka_error(tvb, pinfo, tree, offset); if (api_version >= 1) { offset = dissect_kafka_string(tree, hf_kafka_error_message, tvb, pinfo, offset, api_version >= 3, NULL, NULL); } /* coordinator */ offset = dissect_kafka_find_coordinator_response_coordinator(tvb, pinfo, tree, offset, api_version); if (api_version >= 3) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* JOIN_GROUP REQUEST/RESPONSE */ static int dissect_kafka_join_group_request_group_protocols(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti; proto_tree *subtree; int protocol_start, protocol_len; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group_protocol, &subti, "Group Protocol"); /* protocol_name */ offset = dissect_kafka_string(subtree, hf_kafka_protocol_name, tvb, pinfo, offset, api_version >= 6, &protocol_start, &protocol_len); /* protocol_metadata */ offset = dissect_kafka_bytes(subtree, hf_kafka_protocol_metadata, tvb, pinfo, offset, api_version >= 6, NULL, NULL); if (api_version >= 6) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Group-ID=%s)", tvb_get_string_enc(pinfo->pool, tvb, protocol_start, protocol_len, ENC_UTF_8)); return offset; } static int dissect_kafka_join_group_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; int group_start, group_len; int member_start, member_len; /* group_id */ offset = dissect_kafka_string(tree, hf_kafka_consumer_group, tvb, pinfo, offset, api_version >= 6, &group_start, &group_len); /* session_timeout */ proto_tree_add_item(tree, hf_kafka_session_timeout, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; if (api_version > 0) { /* rebalance_timeout */ proto_tree_add_item(tree, hf_kafka_rebalance_timeout, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } /* member_id */ offset = dissect_kafka_string(tree, hf_kafka_member_id, tvb, pinfo, offset, api_version >= 6, &member_start, &member_len); /* instance id */ if (api_version >= 5) { offset = dissect_kafka_string(tree, hf_kafka_consumer_group_instance, tvb, pinfo, offset, api_version >= 6, NULL, NULL); } /* protocol_type */ offset = dissect_kafka_string(tree, hf_kafka_protocol_type, tvb, pinfo, offset, api_version >= 6, NULL, NULL); /* [group_protocols] */ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group_protocols, &subti, "Group Protocols"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 6, api_version, &dissect_kafka_join_group_request_group_protocols, NULL); proto_item_set_end(subti, tvb, offset); col_append_fstr(pinfo->cinfo, COL_INFO, " (Group=%s, Member=%s)", kafka_tvb_get_string(pinfo->pool, tvb, group_start, group_len), kafka_tvb_get_string(pinfo->pool, tvb, member_start, member_len)); if (api_version >= 6) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } static int dissect_kafka_join_group_response_member(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; int member_start, member_len; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group_member, &subti, "Member"); /* member_id */ offset = dissect_kafka_string(subtree, hf_kafka_member_id, tvb, pinfo, offset, api_version >= 6, &member_start, &member_len); /* instance id */ if (api_version >= 5) { offset = dissect_kafka_string(subtree, hf_kafka_consumer_group_instance, tvb, pinfo, offset, api_version >= 6, NULL, NULL); } /* member_metadata */ offset = dissect_kafka_bytes(subtree, hf_kafka_member_metadata, tvb, pinfo, offset, api_version >= 6, NULL, NULL); if (api_version >= 6) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Member=%s)", tvb_get_string_enc(pinfo->pool, tvb, member_start, member_len, ENC_UTF_8)); return offset; } static int dissect_kafka_join_group_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; int member_start = 0, member_len; if (api_version >= 2) { offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); } /* error_code */ offset = dissect_kafka_error(tvb, pinfo, tree, offset); /* generation_id */ proto_tree_add_item(tree, hf_kafka_generation_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; /* group_protocol_type */ if (api_version >= 7) { offset = dissect_kafka_string(tree, hf_kafka_protocol_type, tvb, pinfo, offset, 1,NULL, NULL); } /* group_protocol */ offset = dissect_kafka_string(tree, hf_kafka_protocol_name, tvb, pinfo, offset, api_version >= 6, NULL, NULL); /* leader_id */ offset = dissect_kafka_string(tree, hf_kafka_group_leader_id, tvb, pinfo, offset, api_version >= 6, NULL, NULL); /* member_id */ offset = dissect_kafka_string(tree, hf_kafka_member_id, tvb, pinfo, offset, api_version >= 6, &member_start, &member_len); /* [member] */ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group_members, &subti, "Members"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 6, api_version, &dissect_kafka_join_group_response_member, NULL); proto_item_set_end(subti, tvb, offset); col_append_fstr(pinfo->cinfo, COL_INFO, " (Member=%s)", tvb_get_string_enc(pinfo->pool, tvb, member_start, member_len, ENC_UTF_8)); if (api_version >= 6) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* HEARTBEAT REQUEST/RESPONSE */ static int dissect_kafka_heartbeat_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { int group_start, group_len; int member_start, member_len; /* group_id */ offset = dissect_kafka_string(tree, hf_kafka_consumer_group, tvb, pinfo, offset, api_version >= 4, &group_start, &group_len); /* group_generation_id */ proto_tree_add_item(tree, hf_kafka_generation_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; /* member_id */ offset = dissect_kafka_string(tree, hf_kafka_member_id, tvb, pinfo, offset, api_version >= 4, &member_start, &member_len); /* instance_id */ if (api_version >= 3) { offset = dissect_kafka_string(tree, hf_kafka_consumer_group_instance, tvb, pinfo, offset, api_version >= 4, NULL, NULL); } col_append_fstr(pinfo->cinfo, COL_INFO, " (Group=%s, Member=%s)", tvb_get_string_enc(pinfo->pool, tvb, group_start, group_len, ENC_UTF_8), tvb_get_string_enc(pinfo->pool, tvb, member_start, member_len, ENC_UTF_8)); if (api_version >= 4) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } static int dissect_kafka_heartbeat_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { if (api_version >= 1) { offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); } /* error_code */ offset = dissect_kafka_error(tvb, pinfo, tree, offset); if (api_version >= 4) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* LEAVE_GROUP REQUEST/RESPONSE */ static int dissect_kafka_leave_group_request_member(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; int member_start, member_len; int instance_start, instance_len; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group_member, &subti, "Member"); /* member_id */ offset = dissect_kafka_string(subtree, hf_kafka_member_id, tvb, pinfo, offset, api_version >= 4, &member_start, &member_len); /* instance_id */ offset = dissect_kafka_string(subtree, hf_kafka_consumer_group_instance, tvb, pinfo, offset, api_version >= 4, &instance_start, &instance_len); if (api_version >= 4) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); if (instance_len >= 0) { proto_item_append_text(subti, " (Member=%s, Group-Instance=%s)", tvb_get_string_enc(pinfo->pool, tvb, member_start, member_len, ENC_UTF_8), tvb_get_string_enc(pinfo->pool, tvb, instance_start, instance_len, ENC_UTF_8) ); } else { proto_item_append_text(subti, " (Member=%s)", tvb_get_string_enc(pinfo->pool, tvb, member_start, member_len, ENC_UTF_8) ); } return offset; } static int dissect_kafka_leave_group_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { int group_start, group_len; int member_start, member_len; proto_item *subti; proto_tree *subtree; /* group_id */ offset = dissect_kafka_string(tree, hf_kafka_consumer_group, tvb, pinfo, offset, api_version >= 4, &group_start, &group_len); if (api_version >= 0 && api_version <= 2) { /* member_id */ offset = dissect_kafka_string(tree, hf_kafka_member_id, tvb, pinfo, offset, 0, &member_start, &member_len); col_append_fstr(pinfo->cinfo, COL_INFO, " (Group=%s, Member=%s)", tvb_get_string_enc(pinfo->pool, tvb, group_start, group_len, ENC_UTF_8), tvb_get_string_enc(pinfo->pool, tvb, member_start, member_len, ENC_UTF_8)); } else if (api_version >= 3) { // KIP-345 subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group_members, &subti, "Members"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 4, api_version, &dissect_kafka_leave_group_request_member, NULL); proto_item_set_end(subti, tvb, offset); col_append_fstr(pinfo->cinfo, COL_INFO, " (Group=%s)", tvb_get_string_enc(pinfo->pool, tvb, group_start, group_len, ENC_UTF_8)); } if (api_version >= 4) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } static int dissect_kafka_leave_group_response_member(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; int member_start, member_len; int instance_start, instance_len; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group_member, &subti, "Member"); /* member_id */ offset = dissect_kafka_string(subtree, hf_kafka_member_id, tvb, pinfo, offset, api_version >= 4, &member_start, &member_len); /* instance_id */ offset = dissect_kafka_string(subtree, hf_kafka_consumer_group_instance, tvb, pinfo, offset, api_version >= 4, &instance_start, &instance_len); /* error_code */ offset = dissect_kafka_error(tvb, pinfo, tree, offset); if (api_version >= 4) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); if (instance_len >= 0) { proto_item_append_text(subti, " (Member=%s, Group-Instance=%s)", tvb_get_string_enc(pinfo->pool, tvb, member_start, member_len, ENC_UTF_8), tvb_get_string_enc(pinfo->pool, tvb, instance_start, instance_len, ENC_UTF_8) ); } else { proto_item_append_text(subti, " (Member=%s)", tvb_get_string_enc(pinfo->pool, tvb, member_start, member_len, ENC_UTF_8) ); } return offset; } static int dissect_kafka_leave_group_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti; proto_tree *subtree; if (api_version >= 1) { offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); } /* error_code */ offset = dissect_kafka_error(tvb, pinfo, tree, offset); if (api_version >= 3) { // KIP-345 subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group_members, &subti, "Members"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 4, api_version, &dissect_kafka_leave_group_response_member, NULL); proto_item_set_end(subti, tvb, offset); } if (api_version >= 4) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* SYNC_GROUP REQUEST/RESPONSE */ static int dissect_kafka_sync_group_request_group_assignment(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti; proto_tree *subtree; int member_start, member_len; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group_assignment, &subti, "Group Assignment"); /* member_id */ offset = dissect_kafka_string(subtree, hf_kafka_member_id, tvb, pinfo, offset, api_version >= 4, &member_start, &member_len); /* member_assigment */ offset = dissect_kafka_bytes(subtree, hf_kafka_member_assignment, tvb, pinfo, offset, api_version >= 4, NULL, NULL); if (api_version >= 4) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Member=%s)", tvb_get_string_enc(pinfo->pool, tvb, member_start, member_len, ENC_UTF_8)); return offset; } static int dissect_kafka_sync_group_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; int group_start, group_len; int member_start, member_len; /* group_id */ offset = dissect_kafka_string(tree, hf_kafka_consumer_group, tvb, pinfo, offset, api_version >= 4, &group_start, &group_len); /* generation_id */ proto_tree_add_item(tree, hf_kafka_generation_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; /* member_id */ offset = dissect_kafka_string(tree, hf_kafka_member_id, tvb, pinfo, offset, api_version >= 4, &member_start, &member_len); /* instance_id */ offset = dissect_kafka_string(tree, hf_kafka_consumer_group_instance, tvb, pinfo, offset, api_version >= 4, NULL, NULL); /* protocol_type */ if (api_version >= 5) { offset = dissect_kafka_string(tree, hf_kafka_protocol_type, tvb, pinfo, offset, 1, NULL, NULL); } /* protocol_name */ if (api_version >= 5) { offset = dissect_kafka_string(tree, hf_kafka_protocol_name, tvb, pinfo, offset, 1, NULL, NULL); } /* [group_assignment] */ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group_assignments, &subti, "Group Assignments"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 4, api_version, &dissect_kafka_sync_group_request_group_assignment, NULL); if (api_version >= 4) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } proto_item_set_end(subti, tvb, offset); col_append_fstr(pinfo->cinfo, COL_INFO, " (Group=%s, Member=%s)", tvb_get_string_enc(pinfo->pool, tvb, group_start, group_len, ENC_UTF_8), tvb_get_string_enc(pinfo->pool, tvb, member_start, member_len, ENC_UTF_8)); return offset; } static int dissect_kafka_sync_group_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { if (api_version >= 1) { offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); } /* error_code */ offset = dissect_kafka_error(tvb, pinfo, tree, offset); /* protocol_type */ if (api_version >= 5) { offset = dissect_kafka_compact_string(tree, hf_kafka_protocol_type, tvb, pinfo, offset, NULL, NULL); } /* protocol_name */ if (api_version >= 5) { offset = dissect_kafka_compact_string(tree, hf_kafka_protocol_name, tvb, pinfo, offset, NULL, NULL); } /* member_assignment */ offset = dissect_kafka_bytes(tree, hf_kafka_member_assignment, tvb, pinfo, offset, api_version >= 4, NULL, NULL); if (api_version >= 4) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* DESCRIBE_GROUPS REQUEST/RESPONSE */ static int dissect_kafka_describe_groups_request_group_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { /* group_id */ offset = dissect_kafka_string(tree, hf_kafka_consumer_group, tvb, pinfo, offset, api_version >= 5, NULL, NULL); return offset; } static int dissect_kafka_describe_groups_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { /* [group_id] */ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 5, api_version, &dissect_kafka_describe_groups_request_group_id, NULL); if (api_version >= 3) { proto_tree_add_item(tree, hf_kafka_include_group_authorized_ops, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; } if (api_version >= 5) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } static int dissect_kafka_describe_groups_response_member(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti; proto_tree *subtree; int member_start, member_len = -1; int instance_start, instance_len = -1; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group_member, &subti, "Member"); /* member_id */ offset = dissect_kafka_string(subtree, hf_kafka_member_id, tvb, pinfo, offset, api_version >= 5, &member_start, &member_len); /* instance_id */ if (api_version >= 4) { offset = dissect_kafka_string(subtree, hf_kafka_consumer_group_instance, tvb, pinfo, offset, api_version >= 5, &instance_start, &instance_len); } /* client_id */ offset = dissect_kafka_string(subtree, hf_kafka_client_id, tvb, pinfo, offset, api_version >= 5, NULL, NULL); /* client_host */ offset = dissect_kafka_string(subtree, hf_kafka_client_host, tvb, pinfo, offset, api_version >= 5, NULL, NULL); /* member_metadata */ offset = dissect_kafka_bytes(subtree, hf_kafka_member_metadata, tvb, pinfo, offset, api_version >= 5, NULL, NULL); /* member_assignment */ offset = dissect_kafka_bytes(subtree, hf_kafka_member_assignment, tvb, pinfo, offset, api_version >= 5, NULL, NULL); if (api_version >= 5) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); if (api_version < 4) { proto_item_append_text(subti, " (Member=%s)", kafka_tvb_get_string(pinfo->pool, tvb, member_start, member_len)); } else { proto_item_append_text(subti, " (Member=%s, Instance=%s)", kafka_tvb_get_string(pinfo->pool, tvb, member_start, member_len), kafka_tvb_get_string(pinfo->pool, tvb, instance_start, instance_len)); } return offset; } static int dissect_kafka_describe_groups_response_group(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; int group_start, group_len; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group, &subti, "Group"); /* error_code */ offset = dissect_kafka_error(tvb, pinfo, subtree, offset); /* group_id */ offset = dissect_kafka_string(subtree, hf_kafka_consumer_group, tvb, pinfo, offset, api_version >= 5, &group_start, &group_len); /* state */ offset = dissect_kafka_string(subtree, hf_kafka_group_state, tvb, pinfo, offset, api_version >= 5, NULL, NULL); /* protocol_type */ offset = dissect_kafka_string(subtree, hf_kafka_protocol_type, tvb, pinfo, offset, api_version >= 5, NULL, NULL); /* protocol */ offset = dissect_kafka_string(subtree, hf_kafka_protocol_name, tvb, pinfo, offset, api_version >= 5, NULL, NULL); /* [member] */ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_group_members, &subsubti, "Members"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 5, api_version, &dissect_kafka_describe_groups_response_member, NULL); proto_item_set_end(subsubti, tvb, offset); if (api_version >= 3) { offset = dissect_kafka_int32(subtree, hf_kafka_group_authorized_ops, tvb, pinfo, offset, NULL); } if (api_version >= 5) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Group=%s)", kafka_tvb_get_string(pinfo->pool, tvb, group_start, group_len)); return offset; } static int dissect_kafka_describe_groups_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { if (api_version >= 1) { offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); } /* [group] */ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 5, api_version, &dissect_kafka_describe_groups_response_group, NULL); if (api_version >= 5) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* LIST_GROUPS REQUEST/RESPONSE */ static int dissect_kafka_list_groups_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { if (api_version >= 3) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } static int dissect_kafka_list_groups_response_group(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti; proto_tree *subtree; int group_start, group_len; int protocol_type_start, protocol_type_len; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group, &subti, "Group"); /* group_id */ offset = dissect_kafka_string(subtree, hf_kafka_consumer_group, tvb, pinfo, offset, api_version >= 3, &group_start, &group_len); /* protocol_type */ offset = dissect_kafka_string(subtree, hf_kafka_protocol_type, tvb, pinfo, offset, api_version >= 3, &protocol_type_start, &protocol_type_len); if (api_version >= 3) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Group-ID=%s, Protocol-Type=%s)", tvb_get_string_enc(pinfo->pool, tvb, group_start, group_len, ENC_UTF_8), tvb_get_string_enc(pinfo->pool, tvb, protocol_type_start, protocol_type_len, ENC_UTF_8)); return offset; } static int dissect_kafka_list_groups_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; if (api_version >= 1) { offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); } /* error_code */ offset = dissect_kafka_error(tvb, pinfo, tree, offset); /* [group] */ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_groups, &subti, "Groups"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 3, api_version, &dissect_kafka_list_groups_response_group, NULL); proto_item_set_end(subti, tvb, offset); if (api_version >= 3) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* SASL_HANDSHAKE REQUEST/RESPONSE */ static int dissect_kafka_sasl_handshake_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { /* mechanism */ offset = dissect_kafka_string(tree, hf_kafka_sasl_mechanism, tvb, pinfo, offset, 0, NULL, NULL); return offset; } static int dissect_kafka_sasl_handshake_response_enabled_mechanism(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { /* mechanism */ offset = dissect_kafka_string(tree, hf_kafka_sasl_mechanism, tvb, pinfo, offset, 0, NULL, NULL); return offset; } static int dissect_kafka_sasl_handshake_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; /* error_code */ offset = dissect_kafka_error(tvb, pinfo, tree, offset); /* [enabled_mechanism] */ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_sasl_enabled_mechanisms, &subti, "Enabled SASL Mechanisms"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_sasl_handshake_response_enabled_mechanism, NULL); proto_item_set_end(subti, tvb, offset); return offset; } /* CREATE_TOPICS REQUEST/RESPONSE */ static int dissect_kafka_create_topics_request_replica(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { /* replica */ proto_tree_add_item(tree, hf_kafka_replica, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; return offset; } static int dissect_kafka_create_topics_request_replica_assignment(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; kafka_partition_t partition; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_replica_assignment, &subti, "Replica Assignment"); /* partition_id */ dissect_kafka_partition_id_ret(tvb, pinfo, subtree, offset, &partition); /* [replica] */ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 5, api_version, &dissect_kafka_create_topics_request_replica, NULL); if (api_version >= 5) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Partition-ID=%d)", partition); return offset; } static int dissect_kafka_create_topics_request_config(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; int key_start, key_len; int val_start, val_len; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_config, &subti, "Config"); /* key */ offset = dissect_kafka_string(subtree, hf_kafka_config_key, tvb, pinfo, offset, api_version >= 5, &key_start, &key_len); /* value */ offset = dissect_kafka_string(subtree, hf_kafka_config_value, tvb, pinfo, offset, api_version >= 5, &val_start, &val_len); if (api_version >= 5) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Key=%s, Value=%s)", tvb_get_string_enc(pinfo->pool, tvb, key_start, key_len, ENC_UTF_8), tvb_get_string_enc(pinfo->pool, tvb, val_start, val_len, ENC_UTF_8)); return offset; } static int dissect_kafka_create_topics_request_create_topic_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; int topic_start, topic_len; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Create Topic Request"); /* topic */ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 5, &topic_start, &topic_len); /* num_partitions */ proto_tree_add_item(subtree, hf_kafka_num_partitions, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; /* replication_factor */ proto_tree_add_item(subtree, hf_kafka_replication_factor, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; /* [replica_assignment] */ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_replica_assignment, &subsubti, "Replica Assignments"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 5, api_version, &dissect_kafka_create_topics_request_replica_assignment, NULL); proto_item_set_end(subsubti, tvb, offset); /* [config] */ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_config, &subsubti, "Configs"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 5, api_version, &dissect_kafka_create_topics_request_config, NULL); proto_item_set_end(subsubti, tvb, offset); if (api_version >= 5) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Topic=%s)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8)); return offset; } static int dissect_kafka_create_topics_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; /* [topic] */ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subti, "Create Topic Requests"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 5, api_version, &dissect_kafka_create_topics_request_create_topic_request, NULL); proto_item_set_end(subti, tvb, offset); /* timeout */ proto_tree_add_item(tree, hf_kafka_timeout, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; if (api_version >= 1) { /* validate */ proto_tree_add_item(tree, hf_kafka_validate_only, tvb, offset, 1, ENC_NA); offset += 1; } if (api_version >= 5) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } static int dissect_kafka_create_topics_response_topic_config(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_config_entry, &subti, "Config Entry"); offset = dissect_kafka_string(subtree, hf_kafka_config_key, tvb, pinfo, offset, api_version >= 5, NULL, NULL); offset = dissect_kafka_string(subtree, hf_kafka_config_value, tvb, pinfo, offset, api_version >= 5, NULL, NULL); offset = dissect_kafka_int8(subtree, hf_kafka_config_readonly, tvb, pinfo, offset, NULL); offset = dissect_kafka_int8(subtree, hf_kafka_config_source, tvb, pinfo, offset, NULL); offset = dissect_kafka_int8(subtree, hf_kafka_config_sensitive, tvb, pinfo, offset, NULL); offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_create_topics_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; int topic_start, topic_len; kafka_error_t error; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); /* topic */ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 5, &topic_start, &topic_len); /* error_code */ offset = dissect_kafka_error_ret(tvb, pinfo, subtree, offset, &error); if (api_version >= 1) { offset = dissect_kafka_string(subtree, hf_kafka_error_message, tvb, pinfo, offset, api_version >= 5, NULL, NULL); } if (api_version >= 5) { offset = dissect_kafka_int32(subtree, hf_kafka_num_partitions, tvb, pinfo, offset, NULL); } if (api_version >= 5) { offset = dissect_kafka_int16(subtree, hf_kafka_replication_factor, tvb, pinfo, offset, NULL); } if (api_version >= 5) { subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_config, &subsubti, "Config"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 5, api_version, &dissect_kafka_create_topics_response_topic_config, NULL); proto_item_set_end(subsubti, tvb, offset); } if (api_version >= 5) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Topic=%s, Error=%s)", kafka_tvb_get_string(pinfo->pool, tvb, topic_start, topic_len), kafka_error_to_str(error)); return offset; } static int dissect_kafka_create_topics_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; if (api_version >= 2) { offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); } /* [topic_error_code] */ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subti, "Topics"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 5, api_version, &dissect_kafka_create_topics_response_topic, NULL); proto_item_set_end(subti, tvb, offset); if (api_version >= 5) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* DELETE_TOPICS REQUEST/RESPONSE */ static int dissect_kafka_delete_topics_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { /* topic */ offset = dissect_kafka_string(tree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 4, NULL, NULL); return offset; } static int dissect_kafka_delete_topics_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; /* [topic] */ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subti, "Topics"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 4, api_version, &dissect_kafka_delete_topics_request_topic, NULL); proto_item_set_end(subti, tvb, offset); /* timeout */ proto_tree_add_item(tree, hf_kafka_timeout, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; if (api_version >= 4) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } static int dissect_kafka_delete_topics_response_topic_error_code(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; int topic_start, topic_len; kafka_error_t error; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic Error Code"); /* topic */ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 4, &topic_start, &topic_len); /* error_code */ offset = dissect_kafka_error_ret(tvb, pinfo, subtree, offset, &error); if (api_version >= 4) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Topic=%s, Error=%s)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8), kafka_error_to_str(error)); return offset; } static int dissect_kafka_delete_topics_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; if (api_version >= 3) { offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); } /* [topic_error_code] */ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subti, "Topic Error Codes"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 4, api_version, &dissect_kafka_delete_topics_response_topic_error_code, NULL); proto_item_set_end(subti, tvb, offset); if (api_version >= 4) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* DELETE_RECORDS REQUEST/RESPONSE */ static int dissect_kafka_delete_records_request_topic_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { guint32 partition_id; gint64 partition_offset; proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition"); partition_id = tvb_get_ntohl(tvb, offset); proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; partition_offset = tvb_get_ntohi64(tvb, offset); proto_tree_add_item(subtree, hf_kafka_offset, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; proto_item_set_end(subti, tvb, offset); if (partition_offset == -1) { proto_item_append_text(subti, " (ID=%u, Offset=HWM)", partition_id); } else { proto_item_append_text(subti, " (ID=%u, Offset=%" PRIi64 ")", partition_id, partition_offset); } return offset; } static int dissect_kafka_delete_records_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { int topic_start, topic_len; proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_start, &topic_len); subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_delete_records_request_topic_partition, NULL); proto_item_set_end(subsubti, tvb, offset); proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Topic=%s)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8)); return offset; } static int dissect_kafka_delete_records_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; /* [topic] */ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subti, "Topics"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_delete_records_request_topic, NULL); proto_item_set_end(subti, tvb, offset); /* timeout */ proto_tree_add_item(tree, hf_kafka_timeout, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; return offset; } static int dissect_kafka_delete_records_response_topic_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { guint32 partition_id; gint64 partition_offset; // low watermark kafka_error_t partition_error_code; proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition"); partition_id = tvb_get_ntohl(tvb, offset); proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; partition_offset = tvb_get_ntohi64(tvb, offset); proto_tree_add_item(subtree, hf_kafka_offset, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; partition_error_code = (kafka_error_t) tvb_get_ntohs(tvb, offset); proto_tree_add_item(subtree, hf_kafka_error, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_item_set_end(subti, tvb, offset); if (partition_error_code == 0) { proto_item_append_text(subti, " (ID=%u, Offset=%" PRIi64 ")", partition_id, partition_offset); } else { proto_item_append_text(subti, " (ID=%u, Error=%s)", partition_id, kafka_error_to_str(partition_error_code)); } return offset; } static int dissect_kafka_delete_records_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { int topic_start, topic_len; proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_start, &topic_len); subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_delete_records_response_topic_partition, NULL); proto_item_set_end(subsubti, tvb, offset); proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Topic=%s)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8)); return offset; } static int dissect_kafka_delete_records_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); /* [topic_error_code] */ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subti, "Topics"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_delete_records_response_topic, NULL); proto_item_set_end(subti, tvb, offset); return offset; } /* INIT_PRODUCER_ID REQUEST/RESPONSE */ static int dissect_kafka_init_producer_id_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { offset = dissect_kafka_string(tree, hf_kafka_transactional_id, tvb, pinfo, offset, api_version >= 2, NULL, NULL); proto_tree_add_item(tree, hf_kafka_transaction_timeout, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; if (api_version >= 3) { proto_tree_add_item(tree, hf_kafka_producer_id, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; } if (api_version >= 3) { proto_tree_add_item(tree, hf_kafka_producer_epoch, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; } if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } static int dissect_kafka_init_producer_id_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); offset = dissect_kafka_error(tvb, pinfo, tree, offset); proto_tree_add_item(tree, hf_kafka_producer_id, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; proto_tree_add_item(tree, hf_kafka_producer_epoch, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* OFFSET_FOR_LEADER_EPOCH REQUEST/RESPONSE */ static int dissect_kafka_offset_for_leader_epoch_request_topic_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version) { guint32 partition_id; proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition"); partition_id = tvb_get_ntohl(tvb, offset); proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; if (api_version >= 2) { proto_tree_add_item(subtree, hf_kafka_current_leader_epoch, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } proto_tree_add_item(subtree, hf_kafka_leader_epoch, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (ID=%u)", partition_id); return offset; } static int dissect_kafka_offset_for_leader_epoch_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { int topic_start, topic_len; proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_start, &topic_len); subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_offset_for_leader_epoch_request_topic_partition, NULL); proto_item_set_end(subsubti, tvb, offset); proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Name=%s)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8)); return offset; } static int dissect_kafka_offset_for_leader_epoch_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; gint32 replica_id; if (api_version >= 3) { replica_id = tvb_get_ntohl(tvb, offset); subti = proto_tree_add_item(tree, hf_kafka_replica, tvb, offset, 4, ENC_BIG_ENDIAN); if (replica_id==-2) { proto_item_append_text(subti, " (debug)"); } else if (replica_id==-1) { proto_item_append_text(subti, " (consumer)"); } offset += 4; } /* [topic] */ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subti, "Topics"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_offset_for_leader_epoch_request_topic, NULL); proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_offset_for_leader_epoch_response_topic_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { guint32 partition_id; kafka_error_t partition_error_code; proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition"); partition_error_code = (kafka_error_t) tvb_get_ntohs(tvb, offset); proto_tree_add_item(subtree, hf_kafka_error, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; partition_id = tvb_get_ntohl(tvb, offset); proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; if (api_version >= 1) { proto_tree_add_item(subtree, hf_kafka_leader_epoch, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } proto_tree_add_item(subtree, hf_kafka_offset, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; proto_item_set_end(subti, tvb, offset); if (partition_error_code == 0) { proto_item_append_text(subti, " (ID=%u)", partition_id); } else { proto_item_append_text(subti, " (ID=%u, Error=%s)", partition_id, kafka_error_to_str(partition_error_code)); } return offset; } static int dissect_kafka_offset_for_leader_epoch_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { int topic_start, topic_len; proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_start, &topic_len); subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_offset_for_leader_epoch_response_topic_partition, NULL); proto_item_set_end(subsubti, tvb, offset); proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Name=%s)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8)); return offset; } static int dissect_kafka_offset_for_leader_epoch_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; if (api_version >= 2) { offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); } subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subti, "Topics"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_offset_for_leader_epoch_response_topic, NULL); proto_item_set_end(subti, tvb, offset); return offset; } /* ADD_PARTITIONS_TO_TXN REQUEST/RESPONSE */ static int dissect_kafka_add_partitions_to_txn_request_topic_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_tree_add_item(tree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN); return offset+4; } static int dissect_kafka_add_partitions_to_txn_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { int topic_start, topic_len; proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_start, &topic_len); subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_add_partitions_to_txn_request_topic_partition, NULL); proto_item_set_end(subsubti, tvb, offset); proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Topic=%s)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8)); return offset; } static int dissect_kafka_add_partitions_to_txn_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; offset = dissect_kafka_string(tree, hf_kafka_transactional_id, tvb, pinfo, offset, 0, NULL, NULL); proto_tree_add_item(tree, hf_kafka_producer_id, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; proto_tree_add_item(tree, hf_kafka_producer_epoch, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; /* [topic] */ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subti, "Topics"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_add_partitions_to_txn_request_topic, NULL); proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_add_partitions_to_txn_response_topic_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { guint32 partition_id; kafka_error_t partition_error_code; proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition"); partition_id = tvb_get_ntohl(tvb, offset); proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; partition_error_code = (kafka_error_t) tvb_get_ntohs(tvb, offset); proto_tree_add_item(subtree, hf_kafka_error, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_item_set_end(subti, tvb, offset); if (partition_error_code == 0) { proto_item_append_text(subti, " (ID=%u)", partition_id); } else { proto_item_append_text(subti, " (ID=%u, Error=%s)", partition_id, kafka_error_to_str(partition_error_code)); } return offset; } static int dissect_kafka_add_partitions_to_txn_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { int topic_start, topic_len; proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_start, &topic_len); subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_add_partitions_to_txn_response_topic_partition, NULL); proto_item_set_end(subsubti, tvb, offset); proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Topic=%s)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8)); return offset; } static int dissect_kafka_add_partitions_to_txn_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subti, "Topics"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_add_partitions_to_txn_response_topic, NULL); proto_item_set_end(subti, tvb, offset); return offset; } /* ADD_OFFSETS_TO_TXN REQUEST/RESPONSE */ static int dissect_kafka_add_offsets_to_txn_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { offset = dissect_kafka_string(tree, hf_kafka_transactional_id, tvb, pinfo, offset, 0, NULL, NULL); proto_tree_add_item(tree, hf_kafka_producer_id, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; proto_tree_add_item(tree, hf_kafka_producer_epoch, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; offset = dissect_kafka_string(tree, hf_kafka_consumer_group, tvb, pinfo, offset, 0, NULL, NULL); return offset; } static int dissect_kafka_add_offsets_to_txn_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); offset = dissect_kafka_error(tvb, pinfo, tree, offset); return offset; } /* END_TXN REQUEST/RESPONSE */ static int dissect_kafka_end_txn_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { offset = dissect_kafka_string(tree, hf_kafka_transactional_id, tvb, pinfo, offset, 0, NULL, NULL); proto_tree_add_item(tree, hf_kafka_producer_id, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; proto_tree_add_item(tree, hf_kafka_producer_epoch, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(tree, hf_kafka_transaction_result, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; return offset; } static int dissect_kafka_end_txn_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); offset = dissect_kafka_error(tvb, pinfo, tree, offset); return offset; } /* WRITE_TXN_MARKERS REQUEST/RESPONSE */ static int dissect_kafka_write_txn_markers_request_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_tree_add_item(tree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; return offset; } static int dissect_kafka_write_txn_markers_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { int topic_start, topic_len; proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_start, &topic_len); subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_write_txn_markers_request_partition, NULL); proto_item_set_end(subsubti, tvb, offset); proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Topic=%s)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8)); return offset; } static int dissect_kafka_write_txn_markers_request_marker(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { guint64 producer_id; proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_marker, &subti, "Marker"); producer_id = tvb_get_ntoh64(tvb, offset); proto_tree_add_item(subtree, hf_kafka_producer_id, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; proto_tree_add_item(subtree, hf_kafka_producer_epoch, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(subtree, hf_kafka_transaction_result, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_topics, &subsubti, "Topics"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_write_txn_markers_request_topic, NULL); proto_tree_add_item(subsubtree, hf_kafka_coordinator_epoch, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; proto_item_set_end(subsubti, tvb, offset); proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Producer=%" PRIu64 ")", producer_id); return offset; } static int dissect_kafka_write_txn_markers_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; /* [topic] */ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_markers, &subti, "Markers"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_write_txn_markers_request_marker, NULL); proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_write_txn_markers_response_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { guint32 partition_id; kafka_error_t partition_error_code; proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition"); partition_id = tvb_get_ntohl(tvb, offset); proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; partition_error_code = (kafka_error_t) tvb_get_ntohs(tvb, offset); proto_tree_add_item(subtree, hf_kafka_error, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_item_set_end(subti, tvb, offset); if (partition_error_code == 0) { proto_item_append_text(subti, " (ID=%u", partition_id); } else { proto_item_append_text(subti, " (ID=%u, Error=%s)", partition_id, kafka_error_to_str(partition_error_code)); } return offset; } static int dissect_kafka_write_txn_markers_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { int topic_start, topic_len; proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_start, &topic_len); subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_write_txn_markers_response_partition, NULL); proto_item_set_end(subsubti, tvb, offset); proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Topic=%s)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8)); return offset; } static int dissect_kafka_write_txn_markers_response_marker(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { guint64 producer_id; proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_marker, &subti, "Marker"); producer_id = tvb_get_ntoh64(tvb, offset); proto_tree_add_item(subtree, hf_kafka_producer_id, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Topics"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_write_txn_markers_response_topic, NULL); proto_item_set_end(subsubti, tvb, offset); proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Producer=%" PRIu64 ")", producer_id); return offset; } static int dissect_kafka_write_txn_markers_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_markers, &subti, "Markers"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_write_txn_markers_response_marker, NULL); proto_item_set_end(subti, tvb, offset); return offset; } /* TXN_OFFSET_COMMIT REQUEST/RESPONSE */ static int dissect_kafka_txn_offset_commit_request_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { guint32 partition_id; gint64 partition_offset; proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition"); partition_id = tvb_get_ntohl(tvb, offset); proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; partition_offset = tvb_get_ntohi64(tvb, offset); proto_tree_add_item(subtree, hf_kafka_offset, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; if (api_version >= 2) { proto_tree_add_item(subtree, hf_kafka_leader_epoch, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } offset = dissect_kafka_string(subtree, hf_kafka_metadata, tvb, pinfo, offset, api_version >= 3, NULL, NULL); if (api_version >= 3) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (ID=%u, Offset=%" PRIi64 ")", partition_id, partition_offset); return offset; } static int dissect_kafka_txn_offset_commit_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { int topic_start, topic_len; proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 3, &topic_start, &topic_len); subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 3, api_version, &dissect_kafka_txn_offset_commit_request_partition, NULL); proto_item_set_end(subsubti, tvb, offset); if (api_version >= 3) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Topic=%s)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8)); return offset; } static int dissect_kafka_txn_offset_commit_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; offset = dissect_kafka_string(tree, hf_kafka_transactional_id, tvb, pinfo, offset, api_version >= 3, NULL, NULL); offset = dissect_kafka_string(tree, hf_kafka_consumer_group, tvb, pinfo, offset, api_version >= 3, NULL, NULL); proto_tree_add_item(tree, hf_kafka_producer_id, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; proto_tree_add_item(tree, hf_kafka_producer_epoch, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; if (api_version >= 3) { proto_tree_add_item(tree, hf_kafka_generation_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } if (api_version >= 3) { offset = dissect_kafka_string(tree, hf_kafka_member_id, tvb, pinfo, offset, 1,NULL, NULL); } if (api_version >= 3) { offset = dissect_kafka_string(tree, hf_kafka_consumer_group_instance, tvb, pinfo, offset, 1,NULL, NULL); } subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subti, "Topics"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 3, api_version, &dissect_kafka_txn_offset_commit_request_topic, NULL); proto_item_set_end(subti, tvb, offset); if (api_version >= 3) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } static int dissect_kafka_txn_offset_commit_response_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { guint32 partition_id; kafka_error_t partition_error_code; proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition"); partition_id = tvb_get_ntohl(tvb, offset); proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; partition_error_code = (kafka_error_t) tvb_get_ntohs(tvb, offset); proto_tree_add_item(subtree, hf_kafka_error, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; if (api_version >= 3) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); if (partition_error_code == 0) { proto_item_append_text(subti, " (ID=%u)", partition_id); } else { proto_item_append_text(subti, " (ID=%u, Error=%s)", partition_id, kafka_error_to_str(partition_error_code)); } return offset; } static int dissect_kafka_txn_offset_commit_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { int topic_start, topic_len; proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 3, &topic_start, &topic_len); subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 3, api_version, &dissect_kafka_txn_offset_commit_response_partition, NULL); proto_item_set_end(subsubti, tvb, offset); if (api_version >= 3) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Topic=%s)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8)); return offset; } static int dissect_kafka_txn_offset_commit_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); /* [topic_error_code] */ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subti, "Topics"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 3, api_version, &dissect_kafka_txn_offset_commit_response_topic, NULL); proto_item_set_end(subti, tvb, offset); if (api_version >= 3) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* DESCRIBE_ACLS REQUEST/RESPONSE */ static int dissect_kafka_describe_acls_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { offset = dissect_kafka_int8(tree, hf_kafka_acl_resource_type, tvb, pinfo, offset, NULL); offset = dissect_kafka_string(tree, hf_kafka_acl_resource_name, tvb, pinfo, offset, api_version >= 2, NULL, NULL); if (api_version >= 1) { offset = dissect_kafka_int8(tree, hf_kafka_acl_resource_pattern_type, tvb, pinfo, offset, NULL); } offset = dissect_kafka_string(tree, hf_kafka_acl_principal, tvb, pinfo, offset, api_version >= 2, NULL, NULL); offset = dissect_kafka_string(tree, hf_kafka_acl_host, tvb, pinfo, offset, api_version >= 2, NULL, NULL); offset = dissect_kafka_int8(tree, hf_kafka_acl_operation, tvb, pinfo, offset, NULL); offset = dissect_kafka_int8(tree, hf_kafka_acl_permission_type, tvb, pinfo, offset, NULL); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } static int dissect_kafka_describe_acls_response_resource_acl(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_acl, &subti, "ACL"); offset = dissect_kafka_string(subtree, hf_kafka_acl_principal, tvb, pinfo, offset, api_version >= 2, NULL, NULL); offset = dissect_kafka_string(subtree, hf_kafka_acl_host, tvb, pinfo, offset, api_version >= 2, NULL, NULL); offset = dissect_kafka_int8(subtree, hf_kafka_acl_operation, tvb, pinfo, offset, NULL); offset = dissect_kafka_int8(subtree, hf_kafka_acl_permission_type, tvb, pinfo, offset, NULL); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } return offset; } static int dissect_kafka_describe_acls_response_resource(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resource, &subti, "Resource"); offset = dissect_kafka_int8(subtree, hf_kafka_acl_resource_type, tvb, pinfo, offset, NULL); offset = dissect_kafka_string(subtree, hf_kafka_acl_resource_name, tvb, pinfo, offset, api_version >= 2, NULL, NULL); if (api_version >= 1) { offset = dissect_kafka_int8(subtree, hf_kafka_acl_resource_pattern_type, tvb, pinfo, offset, NULL); } subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_acls, &subsubti, "ACLs"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 2, api_version, &dissect_kafka_describe_acls_response_resource_acl, NULL); proto_item_set_end(subsubti, tvb, offset); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_describe_acls_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); offset = dissect_kafka_error(tvb, pinfo, tree, offset); offset = dissect_kafka_string(tree, hf_kafka_error_message, tvb, pinfo, offset, api_version >= 2, NULL, NULL); subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resources, &subti, "Resources"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2, api_version, &dissect_kafka_describe_acls_response_resource, NULL); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } proto_item_set_end(subti, tvb, offset); return offset; } /* CREATE_ACLS REQUEST/RESPONSE */ static int dissect_kafka_create_acls_request_creation(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_acl_creation, &subti, "Creation"); offset = dissect_kafka_int8(subtree, hf_kafka_acl_resource_type, tvb, pinfo, offset, NULL); offset = dissect_kafka_string(subtree, hf_kafka_acl_resource_name, tvb, pinfo, offset, api_version >= 2, NULL, NULL); if (api_version >= 1) { offset = dissect_kafka_int8(subtree, hf_kafka_acl_resource_pattern_type, tvb, pinfo, offset, NULL); } offset = dissect_kafka_string(subtree, hf_kafka_acl_principal, tvb, pinfo, offset, api_version >= 2, NULL, NULL); offset = dissect_kafka_string(subtree, hf_kafka_acl_host, tvb, pinfo, offset, api_version >= 2, NULL, NULL); offset = dissect_kafka_int8(subtree, hf_kafka_acl_operation, tvb, pinfo, offset, NULL); offset = dissect_kafka_int8(subtree, hf_kafka_acl_permission_type, tvb, pinfo, offset, NULL); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_create_acls_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_acl_creations, &subti, "Creations"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2 , api_version, &dissect_kafka_create_acls_request_creation, NULL); proto_item_set_end(subti, tvb, offset); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } static int dissect_kafka_create_acls_response_creation(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_acl_creation, &subti, "Creation"); offset = dissect_kafka_error(tvb, pinfo, subtree, offset); offset = dissect_kafka_string(subtree, hf_kafka_error_message, tvb, pinfo, offset, api_version >= 2, NULL, NULL); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_create_acls_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_acl_creations, &subti, "Creations"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2, api_version, &dissect_kafka_create_acls_response_creation, NULL); proto_item_set_end(subti, tvb, offset); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* DELETE_ACLS REQUEST/RESPONSE */ static int dissect_kafka_delete_acls_request_filter(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_acl_filter, &subti, "Filter"); offset = dissect_kafka_int8(subtree, hf_kafka_acl_resource_type, tvb, pinfo, offset, NULL); offset = dissect_kafka_string(subtree, hf_kafka_acl_resource_name, tvb, pinfo, offset, api_version >= 2, NULL, NULL); if (api_version >= 1) { offset = dissect_kafka_int8(subtree, hf_kafka_acl_resource_pattern_type, tvb, pinfo, offset, NULL); } offset = dissect_kafka_string(subtree, hf_kafka_acl_principal, tvb, pinfo, offset, api_version >= 2, NULL, NULL); offset = dissect_kafka_string(subtree, hf_kafka_acl_host, tvb, pinfo, offset, api_version >= 2, NULL, NULL); offset = dissect_kafka_int8(subtree, hf_kafka_acl_operation, tvb, pinfo, offset, NULL); offset = dissect_kafka_int8(subtree, hf_kafka_acl_permission_type, tvb, pinfo, offset, NULL); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_delete_acls_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_acl_filter, &subti, "Filters"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2, api_version, &dissect_kafka_delete_acls_request_filter, NULL); proto_item_set_end(subti, tvb, offset); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } static int dissect_kafka_delete_acls_response_match(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_acl_filter_match, &subti, "Match"); offset = dissect_kafka_error(tvb, pinfo, subtree, offset); offset = dissect_kafka_string(subtree, hf_kafka_error_message, tvb, pinfo, offset, api_version >= 2, NULL, NULL); offset = dissect_kafka_int8(subtree, hf_kafka_acl_resource_type, tvb, pinfo, offset, NULL); offset = dissect_kafka_string(subtree, hf_kafka_acl_resource_name, tvb, pinfo, offset, api_version >= 2, NULL, NULL); if (api_version >= 1) { offset = dissect_kafka_int8(subtree, hf_kafka_acl_resource_pattern_type, tvb, pinfo, offset, NULL); } offset = dissect_kafka_string(subtree, hf_kafka_acl_principal, tvb, pinfo, offset, api_version >= 2, NULL, NULL); offset = dissect_kafka_string(subtree, hf_kafka_acl_host, tvb, pinfo, offset, api_version >= 2, NULL, NULL); offset = dissect_kafka_int8(subtree, hf_kafka_acl_operation, tvb, pinfo, offset, NULL); offset = dissect_kafka_int8(subtree, hf_kafka_acl_permission_type, tvb, pinfo, offset, NULL); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_delete_acls_response_filter(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_acl_creation, &subti, "Filter"); offset = dissect_kafka_error(tvb, pinfo, subtree, offset); offset = dissect_kafka_string(subtree, hf_kafka_error_message, tvb, pinfo, offset, api_version >= 2, NULL, NULL); subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_acl_filter_matches, &subsubti, "Matches"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 2, api_version, &dissect_kafka_delete_acls_response_match, NULL); proto_item_set_end(subsubti, tvb, offset); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_delete_acls_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_acl_creations, &subti, "Filters"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 0, api_version, &dissect_kafka_delete_acls_response_filter, NULL); proto_item_set_end(subti, tvb, offset); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* DESCRIBE_CONFIGS REQUEST/RESPONSE */ static int dissect_kafka_describe_config_request_entry(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { offset = dissect_kafka_string(tree, hf_kafka_config_key, tvb, pinfo, offset, 0, NULL, NULL); return offset; } static int dissect_kafka_describe_config_request_resource(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resource, &subti, "Resource"); proto_tree_add_item(subtree, hf_kafka_config_resource_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; offset = dissect_kafka_string(subtree, hf_kafka_config_resource_name, tvb, pinfo, offset, 0, NULL, NULL); subsubtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_config_entries, &subsubti, "Entries"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_describe_config_request_entry, NULL); proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_describe_configs_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resources, &subti, "Resources"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_describe_config_request_resource, NULL); if (api_version >= 1) { proto_tree_add_item(subtree, hf_kafka_config_include_synonyms, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; } proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_describe_configs_response_synonym(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti; proto_tree *subtree; int key_start, key_len; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_config_synonym, &subti, "Synonym"); offset = dissect_kafka_string(subtree, hf_kafka_config_key, tvb, pinfo, offset, 0, &key_start, &key_len); offset = dissect_kafka_string(subtree, hf_kafka_config_value, tvb, pinfo, offset, 0, NULL, NULL); proto_tree_add_item(subtree, hf_kafka_config_source, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Key=%s)", tvb_get_string_enc(pinfo->pool, tvb, key_start, key_len, ENC_UTF_8)); return offset; } static int dissect_kafka_describe_configs_response_entry(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; int key_start, key_len; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_config_entry, &subti, "Entry"); offset = dissect_kafka_string(subtree, hf_kafka_config_key, tvb, pinfo, offset, 0, &key_start, &key_len); offset = dissect_kafka_string(subtree, hf_kafka_config_value, tvb, pinfo, offset, 0, NULL, NULL); proto_tree_add_item(subtree, hf_kafka_config_readonly, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; if (api_version == 0) { proto_tree_add_item(subtree, hf_kafka_config_default, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; } else { proto_tree_add_item(subtree, hf_kafka_config_source, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; } proto_tree_add_item(subtree, hf_kafka_config_sensitive, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; if (api_version >= 1) { subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_config_synonyms, &subsubti, "Synonyms"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_describe_configs_response_synonym, NULL); proto_item_set_end(subsubti, tvb, offset); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Key=%s)", tvb_get_string_enc(pinfo->pool, tvb, key_start, key_len, ENC_UTF_8)); return offset; } static int dissect_kafka_describe_configs_response_resource(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resource, &subti, "Resource"); offset = dissect_kafka_error(tvb, pinfo, subtree, offset); offset = dissect_kafka_string(subtree, hf_kafka_error_message, tvb, pinfo, offset, 0, NULL, NULL); proto_tree_add_item(subtree, hf_kafka_config_resource_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; offset = dissect_kafka_string(subtree, hf_kafka_config_resource_name, tvb, pinfo, offset, 0, NULL, NULL); subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_config_entries, &subsubti, "Entries"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_describe_configs_response_entry, NULL); proto_item_set_end(subsubti, tvb, offset); proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_describe_configs_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resources, &subti, "Resources"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_describe_configs_response_resource, NULL); proto_item_set_end(subti, tvb, offset); return offset; } /* ALTER_CONFIGS REQUEST/RESPONSE */ static int dissect_kafka_alter_config_request_entry(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_config_entry, &subti, "Entry"); offset = dissect_kafka_string(subtree, hf_kafka_config_key, tvb, pinfo, offset, 0, NULL, NULL); offset = dissect_kafka_string(subtree, hf_kafka_config_value, tvb, pinfo, offset, 0, NULL, NULL); proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_alter_config_request_resource(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resource, &subti, "Resource"); proto_tree_add_item(subtree, hf_kafka_config_resource_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; offset = dissect_kafka_string(subtree, hf_kafka_config_resource_name, tvb, pinfo, offset, 0, NULL, NULL); subsubtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_config_entries, &subsubti, "Entries"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_alter_config_request_entry, NULL); proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_alter_configs_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resources, &subti, "Resources"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_alter_config_request_resource, NULL); proto_tree_add_item(subtree, hf_kafka_validate_only, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_alter_configs_response_resource(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resource, &subti, "Resource"); offset = dissect_kafka_error(tvb, pinfo, subtree, offset); offset = dissect_kafka_string(subtree, hf_kafka_error_message, tvb, pinfo, offset, 0, NULL, NULL); proto_tree_add_item(subtree, hf_kafka_config_resource_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; offset = dissect_kafka_string(subtree, hf_kafka_config_resource_name, tvb, pinfo, offset, 0, NULL, NULL); proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_alter_configs_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resources, &subti, "Resources"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_alter_configs_response_resource, NULL); proto_item_set_end(subti, tvb, offset); return offset; } /* ALTER_REPLICA_LOG_DIRS REQUEST/RESPONSE */ static int dissect_kafka_alter_replica_log_dirs_request_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_tree_add_item(tree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; return offset; } static int dissect_kafka_alter_replica_log_dirs_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; int topic_start, topic_len; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resource, &subti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_start, &topic_len); subsubtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subsubti, "Partitions"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_alter_replica_log_dirs_request_partition, NULL); proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Name=%s)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8)); return offset; } static int dissect_kafka_alter_replica_log_dirs_request_log_dir(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_log_dir, &subti, "Log Directory"); offset = dissect_kafka_string(subtree, hf_kafka_log_dir, tvb, pinfo, offset, 0, NULL, NULL); subsubtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subsubti, "Topics"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_alter_replica_log_dirs_request_topic, NULL); proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_alter_replica_log_dirs_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_log_dirs, &subti, "Log Directories"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_alter_replica_log_dirs_request_log_dir, NULL); proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_alter_replica_log_dirs_response_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti; proto_tree *subtree; int partition_id; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition"); partition_id = tvb_get_ntohl(tvb, offset); proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; offset = dissect_kafka_error(tvb, pinfo, subtree, offset); proto_item_append_text(subti, " (ID=%u)", partition_id); proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_alter_replica_log_dirs_response_topic(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; int topic_start, topic_len; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_log_dir, tvb, pinfo, offset, 0, &topic_start, &topic_len); subsubtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partition"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_alter_replica_log_dirs_response_partition, NULL); proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Name=%s)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8)); return offset; } static int dissect_kafka_alter_replica_log_dirs_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subti, "Topics"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_alter_replica_log_dirs_response_topic, NULL); proto_item_set_end(subti, tvb, offset); return offset; } /* DESCRIBE_LOG_DIRS REQUEST/RESPONSE */ static int dissect_kafka_describe_log_dirs_request_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_tree_add_item(tree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; return offset; } static int dissect_kafka_describe_log_dirs_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; int topic_start, topic_len; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resource, &subti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_start, &topic_len); subsubtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_describe_log_dirs_request_partition, NULL); proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Name=%s)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8)); return offset; } static int dissect_kafka_describe_log_dirs_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subti, "Topics"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_describe_log_dirs_request_topic, NULL); proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_describe_log_dirs_response_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti; proto_tree *subtree; int partition_id; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition"); partition_id = tvb_get_ntohl(tvb, offset); proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; proto_tree_add_item(subtree, hf_kafka_segment_size, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; proto_tree_add_item(subtree, hf_kafka_offset_lag, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; proto_tree_add_item(subtree, hf_kafka_future, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (ID=%u)", partition_id); return offset; } static int dissect_kafka_describe_log_dirs_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; int topic_start, topic_len; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_start, &topic_len); subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_describe_log_dirs_response_partition, NULL); proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Name=%s)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8)); return offset; } static int dissect_kafka_describe_log_dirs_response_log_dir(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; int dir_start, dir_len; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_log_dir, &subti, "Log Directory"); offset = dissect_kafka_error(tvb, pinfo, subtree, offset); offset = dissect_kafka_string(subtree, hf_kafka_log_dir, tvb, pinfo, offset, 0, &dir_start, &dir_len); subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_topics, &subsubti, "Topics"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_describe_log_dirs_response_topic, NULL); proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Dir=%s)", tvb_get_string_enc(pinfo->pool, tvb, dir_start, dir_len, ENC_UTF_8)); return offset; } static int dissect_kafka_describe_log_dirs_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_log_dirs, &subti, "Log Directories"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_describe_log_dirs_response_log_dir, NULL); proto_item_set_end(subti, tvb, offset); return offset; } /* CREATE_PARTITIONS REQUEST/RESPONSE */ static int dissect_kafka_create_partitions_request_broker(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_tree_add_item(tree, hf_kafka_broker_nodeid, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; return offset; } static int dissect_kafka_create_partitions_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; int topic_start, topic_len; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resource, &subti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 2, &topic_start, &topic_len); proto_tree_add_item(subtree, hf_kafka_partition_count, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_brokers, &subsubti, "Brokers"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 2, api_version, &dissect_kafka_create_partitions_request_broker, NULL); proto_item_set_end(subsubti, tvb, offset); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Name=%s)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8)); return offset; } static int dissect_kafka_create_partitions_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subti, "Topics"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2, api_version, &dissect_kafka_create_partitions_request_topic, NULL); proto_item_set_end(subti, tvb, offset); proto_tree_add_item(tree, hf_kafka_timeout, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; proto_tree_add_item(tree, hf_kafka_validate_only, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } static int dissect_kafka_create_partitions_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; int topic_start, topic_len; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 2, &topic_start, &topic_len); offset = dissect_kafka_error(tvb, pinfo, subtree, offset); offset = dissect_kafka_string(subtree, hf_kafka_error_message, tvb, pinfo, offset, api_version >= 2, NULL, NULL); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); proto_item_append_text(subti, " (Name=%s)", tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8)); return offset; } static int dissect_kafka_create_partitions_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subti, "Topics"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2, api_version, &dissect_kafka_create_partitions_response_topic, NULL); proto_item_set_end(subti, tvb, offset); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* SASL_AUTHENTICATE REQUEST/RESPONSE */ static int dissect_kafka_sasl_authenticate_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { offset = dissect_kafka_bytes(tree, hf_kafka_sasl_auth_bytes, tvb, pinfo, offset, api_version >= 2, NULL, NULL); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } static int dissect_kafka_sasl_authenticate_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { offset = dissect_kafka_error(tvb, pinfo, tree, offset); offset = dissect_kafka_string(tree, hf_kafka_error_message, tvb, pinfo, offset, api_version >= 2, NULL, NULL); offset = dissect_kafka_bytes(tree, hf_kafka_sasl_auth_bytes, tvb, pinfo, offset, api_version >= 2, NULL, NULL); if (api_version >= 1) { offset = dissect_kafka_int64(tree, hf_kafka_session_lifetime_ms, tvb, pinfo, offset, NULL); } if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* CREATE_DELEGATION_TOKEN REQUEST/RESPONSE */ static int dissect_kafka_create_delegation_token_request_renewer(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_renewer, &subti, "Renewer"); offset = dissect_kafka_string(subtree, hf_kafka_token_principal_type, tvb, pinfo, offset, api_version >= 2, NULL, NULL); offset = dissect_kafka_string(subtree, hf_kafka_token_principal_name, tvb, pinfo, offset, api_version >= 2, NULL, NULL); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_create_delegation_token_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_renewers, &subti, "Renewers"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2, api_version, &dissect_kafka_create_delegation_token_request_renewer, NULL); proto_item_set_end(subti, tvb, offset); offset = dissect_kafka_int64(tree, hf_kafka_token_max_life_time, tvb, pinfo, offset, NULL); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } static int dissect_kafka_create_delegation_token_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { offset = dissect_kafka_error(tvb, pinfo, tree, offset); offset = dissect_kafka_string(tree, hf_kafka_token_principal_type, tvb, pinfo, offset, api_version >= 2, NULL, NULL); offset = dissect_kafka_string(tree, hf_kafka_token_principal_name, tvb, pinfo, offset, api_version >= 2, NULL, NULL); offset = dissect_kafka_timestamp(tree, hf_kafka_token_issue_timestamp, tvb, pinfo, offset, NULL); offset = dissect_kafka_timestamp(tree, hf_kafka_token_expiry_timestamp, tvb, pinfo, offset, NULL); offset = dissect_kafka_timestamp(tree, hf_kafka_token_max_timestamp, tvb, pinfo, offset, NULL); offset = dissect_kafka_string(tree, hf_kafka_token_id, tvb, pinfo, offset, api_version >= 2, NULL, NULL); offset = dissect_kafka_bytes(tree, hf_kafka_token_hmac, tvb, pinfo, offset, api_version >= 2, NULL, NULL); offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* RENEW_DELEGATION_TOKEN REQUEST/RESPONSE */ static int dissect_kafka_renew_delegation_token_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { offset = dissect_kafka_bytes(tree, hf_kafka_token_hmac, tvb, pinfo, offset, api_version >= 2, NULL, NULL); offset = dissect_kafka_int64(tree, hf_kafka_token_renew_time, tvb, pinfo, offset, NULL); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } static int dissect_kafka_renew_delegation_token_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { offset = dissect_kafka_error(tvb, pinfo, tree, offset); offset = dissect_kafka_timestamp(tree, hf_kafka_token_expiry_timestamp, tvb, pinfo, offset, NULL); offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* EXPIRE_DELEGATION_TOKEN REQUEST/RESPONSE */ static int dissect_kafka_expire_delegation_token_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { offset = dissect_kafka_bytes(tree, hf_kafka_token_hmac, tvb, pinfo, offset, api_version >= 2, NULL, NULL); offset = dissect_kafka_int64(tree, hf_kafka_token_expiry_time, tvb, pinfo, offset, NULL); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } static int dissect_kafka_expire_delegation_token_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { offset = dissect_kafka_error(tvb, pinfo, tree, offset); offset = dissect_kafka_timestamp(tree, hf_kafka_token_expiry_timestamp, tvb, pinfo, offset, NULL); offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* DESCRIBE_DELEGATION_TOKEN REQUEST/RESPONSE */ static int dissect_kafka_describe_delegation_token_request_owner(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_owner, &subti, "Owner"); offset = dissect_kafka_string(subtree, hf_kafka_token_principal_type, tvb, pinfo, offset, api_version >= 2, NULL, NULL); offset = dissect_kafka_string(subtree, hf_kafka_token_principal_name, tvb, pinfo, offset, api_version >= 2, NULL, NULL); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_describe_delegation_token_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_owners, &subti, "Owners"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2, api_version, &dissect_kafka_describe_delegation_token_request_owner, NULL); proto_item_set_end(subti, tvb, offset); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } static int dissect_kafka_describe_delegation_token_response_renewer(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_renewer, &subti, "Renewer"); offset = dissect_kafka_string(subtree, hf_kafka_token_principal_type, tvb, pinfo, offset, api_version >= 2, NULL, NULL); offset = dissect_kafka_string(subtree, hf_kafka_token_principal_name, tvb, pinfo, offset, api_version >= 2, NULL, NULL); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_describe_delegation_token_response_token(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_token, &subti, "Token"); offset = dissect_kafka_string(subtree, hf_kafka_token_principal_type, tvb, pinfo, offset, api_version >= 2, NULL, NULL); offset = dissect_kafka_string(subtree, hf_kafka_token_principal_name, tvb, pinfo, offset, api_version >= 2, NULL, NULL); offset = dissect_kafka_timestamp(subtree, hf_kafka_token_issue_timestamp, tvb, pinfo, offset, NULL); offset = dissect_kafka_timestamp(subtree, hf_kafka_token_expiry_timestamp, tvb, pinfo, offset, NULL); offset = dissect_kafka_timestamp(subtree, hf_kafka_token_max_timestamp, tvb, pinfo, offset, NULL); offset = dissect_kafka_string(subtree, hf_kafka_token_id, tvb, pinfo, offset, api_version >= 2, NULL, NULL); offset = dissect_kafka_bytes(subtree, hf_kafka_token_hmac, tvb, pinfo, offset, api_version >= 2, NULL, NULL); subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_renewers, &subsubti, "Renewers"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 2, api_version, &dissect_kafka_describe_delegation_token_response_renewer, NULL); proto_item_set_end(subsubti, tvb, offset); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_describe_delegation_token_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; offset = dissect_kafka_error(tvb, pinfo, tree, offset); subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_tokens, &subti, "Tokens"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2, api_version, &dissect_kafka_describe_delegation_token_response_token, NULL); proto_item_set_end(subti, tvb, offset); offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* DELETE_GROUPS REQUEST/RESPONSE */ static int dissect_kafka_delete_groups_request_group(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { offset = dissect_kafka_string(tree, hf_kafka_consumer_group, tvb, pinfo, offset, api_version >= 2, NULL, NULL); return offset; } static int dissect_kafka_delete_groups_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_groups, &subti, "Groups"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2, api_version, &dissect_kafka_delete_groups_request_group, NULL); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_delete_groups_response_group(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group, &subti, "Group"); offset = dissect_kafka_string(subtree, hf_kafka_consumer_group, tvb, pinfo, offset, api_version >= 2, NULL, NULL); offset = dissect_kafka_error(tvb, pinfo, subtree, offset); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_delete_groups_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti; proto_tree *subtree; offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_groups, &subti, "Groups"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2, api_version, &dissect_kafka_delete_groups_response_group, NULL); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } proto_item_set_end(subti, tvb, offset); return offset; } /* ELECT_LEADERS REQUEST/RESPONSE */ static int dissect_kafka_elect_leaders_request_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { return dissect_kafka_int32(tree, hf_kafka_partition_id, tvb, pinfo, offset, NULL); } static int dissect_kafka_elect_leaders_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 2, api_version, &dissect_kafka_elect_leaders_request_partition, NULL); proto_item_set_end(subsubti, tvb, offset); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_elect_leaders_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; if (api_version >= 1) { offset = dissect_kafka_int8(tree, hf_kafka_election_type, tvb, pinfo, offset, NULL); } subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subti, "Topics"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2, api_version, &dissect_kafka_elect_leaders_request_topic, NULL); proto_item_set_end(subti, tvb, offset); offset = dissect_kafka_int32(tree, hf_kafka_timeout, tvb, pinfo, offset, NULL); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } static int dissect_kafka_elect_leaders_response_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition"); offset = dissect_kafka_int32(subtree, hf_kafka_partition_id, tvb, pinfo, offset, NULL); offset = dissect_kafka_error(tvb, pinfo, subtree, offset); offset = dissect_kafka_string(subtree, hf_kafka_error_message, tvb, pinfo, offset, api_version >= 2, NULL, NULL); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_elect_leaders_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 2, NULL, NULL); subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 2, api_version, &dissect_kafka_elect_leaders_response_partition, NULL); proto_item_set_end(subsubti, tvb, offset); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_elect_leaders_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); if (api_version >= 1) { offset = dissect_kafka_error(tvb, pinfo, tree, offset); } subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subti, "Topics"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2, api_version, &dissect_kafka_elect_leaders_response_topic, NULL); proto_item_set_end(subti, tvb, offset); if (api_version >= 2) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* INCREMENTAL_ALTER_CONFIGS REQUEST/RESPONSE */ static int dissect_kafka_inc_alter_config_request_entry(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_config_entry, &subti, "Entry"); offset = dissect_kafka_string(subtree, hf_kafka_config_key, tvb, pinfo, offset, api_version >= 1, NULL, NULL); proto_tree_add_item(subtree, hf_kafka_config_operation, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; offset = dissect_kafka_string(subtree, hf_kafka_config_value, tvb, pinfo, offset, api_version >= 1, NULL, NULL); if (api_version >= 1) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_inc_alter_config_request_resource(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resource, &subti, "Resource"); proto_tree_add_item(subtree, hf_kafka_config_resource_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; offset = dissect_kafka_string(subtree, hf_kafka_config_resource_name, tvb, pinfo, offset, api_version >= 1, NULL, NULL); subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_config_entries, &subsubti, "Entries"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 1, api_version, &dissect_kafka_inc_alter_config_request_entry, NULL); proto_item_set_end(subsubti, tvb, offset); if (api_version >= 1) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_inc_alter_configs_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resources, &subti, "Resources"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 1, api_version, &dissect_kafka_inc_alter_config_request_resource, NULL); proto_item_set_end(subti, tvb, offset); proto_tree_add_item(tree, hf_kafka_validate_only, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; if (api_version >= 1) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } static int dissect_kafka_inc_alter_configs_response_resource(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resource, &subti, "Resource"); offset = dissect_kafka_error(tvb, pinfo, subtree, offset); offset = dissect_kafka_string(subtree, hf_kafka_error_message, tvb, pinfo, offset, api_version >= 1, NULL, NULL); proto_tree_add_item(subtree, hf_kafka_config_resource_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; offset = dissect_kafka_string(subtree, hf_kafka_config_resource_name, tvb, pinfo, offset, api_version >= 1, NULL, NULL); if (api_version >= 1) { offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0); } proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_inc_alter_configs_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resources, &subti, "Resources"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 1, api_version, &dissect_kafka_inc_alter_configs_response_resource, NULL); proto_item_set_end(subti, tvb, offset); if (api_version >= 1) { offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0); } return offset; } /* ALTER_PARTITION_REASSIGNMENTS REQUEST/RESPONSE */ static int dissect_kafka_alter_partition_reassignments_request_replica(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_tree_add_item(tree, hf_kafka_replica, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; return offset; } static int dissect_kafka_alter_partition_reassignments_request_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; kafka_partition_t partition; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition"); offset = dissect_kafka_partition_id_ret(tvb, pinfo, subtree, offset, &partition); subsubtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Replicas"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_alter_partition_reassignments_request_replica, NULL); proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_alter_partition_reassignments_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, NULL, NULL); subsubtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_alter_partition_reassignments_request_partition, NULL); proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_alter_partition_reassignments_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; proto_tree_add_item(tree, hf_kafka_timeout, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subti, "Topics"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_alter_partition_reassignments_request_topic, NULL); proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_alter_partition_reassignments_response_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_item *subti; proto_tree *subtree; kafka_partition_t partition; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition"); offset = dissect_kafka_partition_id_ret(tvb, pinfo, subtree, offset, &partition); offset = dissect_kafka_error(tvb, pinfo, subtree, offset); offset = dissect_kafka_string(subtree, hf_kafka_error_message, tvb, pinfo, offset, 0, NULL, NULL); proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_alter_partition_reassignments_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, NULL, NULL); subsubtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_alter_partition_reassignments_response_partition, NULL); proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_alter_partition_reassignments_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); offset = dissect_kafka_error(tvb, pinfo, tree, offset); offset = dissect_kafka_string(tree, hf_kafka_error_message, tvb, pinfo, offset, 0, NULL, NULL); subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subti, "Topics"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_alter_partition_reassignments_response_topic, NULL); proto_item_set_end(subti, tvb, offset); return offset; } /* LIST_PARTITION_REASSIGNMENTS REQUEST/RESPONSE */ static int dissect_kafka_list_partition_reassignments_request_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_tree_add_item(tree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; return offset; } static int dissect_kafka_list_partition_reassignments_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, NULL, NULL); subsubtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_list_partition_reassignments_request_partition, NULL); proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_list_partition_reassignments_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; proto_tree_add_item(tree, hf_kafka_timeout, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subti, "Topics"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_list_partition_reassignments_request_topic, NULL); proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_list_partition_reassignments_response_replica(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, kafka_api_version_t api_version _U_) { proto_tree_add_item(tree, hf_kafka_replica, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; return offset; } static int dissect_kafka_list_partition_reassignments_response_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; kafka_partition_t partition; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition"); offset = dissect_kafka_partition_id_ret(tvb, pinfo, subtree, offset, &partition); offset = dissect_kafka_error(tvb, pinfo, subtree, offset); offset = dissect_kafka_string(subtree, hf_kafka_error_message, tvb, pinfo, offset, 0, NULL, NULL); subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_replicas, &subsubti, "Current Replicas"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_list_partition_reassignments_response_replica, NULL); proto_item_set_end(subsubti, tvb, offset); subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_replicas, &subsubti, "Adding Replicas"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_list_partition_reassignments_response_replica, NULL); proto_item_set_end(subsubti, tvb, offset); subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_replicas, &subsubti, "Removing Replicas"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_list_partition_reassignments_response_replica, NULL); proto_item_set_end(subsubti, tvb, offset); proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_list_partition_reassignments_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, NULL, NULL); subsubtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_list_partition_reassignments_response_partition, NULL); proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_list_partition_reassignments_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); offset = dissect_kafka_error(tvb, pinfo, tree, offset); offset = dissect_kafka_string(tree, hf_kafka_error_message, tvb, pinfo, offset, 0, NULL, NULL); subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subti, "Topics"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_list_partition_reassignments_response_topic, NULL); proto_item_set_end(subti, tvb, offset); return offset; } /* OFFSET_DELETE REQUEST/RESPONSE */ static int dissect_kafka_offset_delete_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, NULL, NULL); subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_partition_id, NULL); proto_item_set_end(subti, tvb, offset); proto_item_set_end(subsubti, tvb, offset); return offset; } static int dissect_kafka_offset_delete_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; offset = dissect_kafka_string(tree, hf_kafka_consumer_group, tvb, pinfo, offset, 0, NULL, NULL); subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subti, "Topics"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_offset_delete_request_topic, NULL); proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_offset_delete_response_topic_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition"); offset = dissect_kafka_partition_id(tvb, pinfo, subtree, offset, api_version); offset = dissect_kafka_error(tvb, pinfo, subtree, offset); proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_offset_delete_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti, *subsubti; proto_tree *subtree, *subsubtree; subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic"); offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, NULL, NULL); subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions"); offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_offset_delete_response_topic_partition, NULL); proto_item_set_end(subsubti, tvb, offset); proto_item_set_end(subti, tvb, offset); return offset; } static int dissect_kafka_offset_delete_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, kafka_api_version_t api_version) { proto_item *subti; proto_tree *subtree; offset = dissect_kafka_error(tvb, pinfo, tree, offset); offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset); subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subti, "Topics"); offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_offset_delete_response_topic, NULL); proto_item_set_end(subti, tvb, offset); return offset; } /* MAIN */ static wmem_tree_t * dissect_kafka_get_match_map(packet_info *pinfo) { conversation_t *conversation; wmem_tree_t *match_map; conversation = find_or_create_conversation(pinfo); match_map = (wmem_tree_t *) conversation_get_proto_data(conversation, proto_kafka); if (match_map == NULL) { match_map = wmem_tree_new(wmem_file_scope()); conversation_add_proto_data(conversation, proto_kafka, match_map); } return match_map; } static gboolean dissect_kafka_insert_match(packet_info *pinfo, guint32 correlation_id, kafka_query_response_t *match) { if (wmem_tree_lookup32(dissect_kafka_get_match_map(pinfo), correlation_id)) { return 0; } wmem_tree_insert32(dissect_kafka_get_match_map(pinfo), correlation_id, match); return 1; } static kafka_query_response_t * dissect_kafka_lookup_match(packet_info *pinfo, guint32 correlation_id) { kafka_query_response_t *match = (kafka_query_response_t*)wmem_tree_lookup32(dissect_kafka_get_match_map(pinfo), correlation_id); return match; } static int dissect_kafka(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_item *root_ti, *ti; proto_tree *kafka_tree; int offset = 0; guint32 pdu_length; guint32 pdu_correlation_id; kafka_query_response_t *matcher; gboolean has_response = 1; col_set_str(pinfo->cinfo, COL_PROTOCOL, "Kafka"); col_clear(pinfo->cinfo, COL_INFO); root_ti = proto_tree_add_item(tree, proto_kafka, tvb, 0, -1, ENC_NA); kafka_tree = proto_item_add_subtree(root_ti, ett_kafka); pdu_length = tvb_get_ntohl(tvb, offset); proto_tree_add_item(kafka_tree, hf_kafka_len, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; if (pinfo->destport == pinfo->match_uint) { /* Request (as directed towards server port) */ /* in the request PDU the correlation id comes after api_key and api_version */ pdu_correlation_id = tvb_get_ntohl(tvb, offset+4); matcher = wmem_new(wmem_file_scope(), kafka_query_response_t); matcher->api_key = tvb_get_ntohs(tvb, offset); matcher->api_version = tvb_get_ntohs(tvb, offset+2); matcher->correlation_id = pdu_correlation_id; matcher->request_frame = pinfo->num; matcher->response_found = FALSE; matcher->flexible_api = kafka_is_api_version_flexible(matcher->api_key, matcher->api_version); col_add_fstr(pinfo->cinfo, COL_INFO, "Kafka %s v%d Request", kafka_api_key_to_str(matcher->api_key), matcher->api_version); /* Also add to protocol root */ proto_item_append_text(root_ti, " (%s v%d Request)", kafka_api_key_to_str(matcher->api_key), matcher->api_version); /* for the header implementation check RequestHeaderData class */ ti = proto_tree_add_item(kafka_tree, hf_kafka_request_api_key, tvb, offset, 2, ENC_BIG_ENDIAN); proto_item_set_hidden(ti); ti = proto_tree_add_item(kafka_tree, hf_kafka_api_key, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; kafka_check_supported_api_key(pinfo, ti, matcher); ti = proto_tree_add_item(kafka_tree, hf_kafka_request_api_version, tvb, offset, 2, ENC_BIG_ENDIAN); proto_item_set_hidden(ti); ti = proto_tree_add_item(kafka_tree, hf_kafka_api_version, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; kafka_check_supported_api_version(pinfo, ti, matcher); proto_tree_add_item(kafka_tree, hf_kafka_correlation_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; if (matcher->api_key == KAFKA_CONTROLLED_SHUTDOWN && matcher->api_version == 0) { /* * Special case for ControlledShutdownRequest. * https://github.com/apache/kafka/blob/2.5.0/generator/src/main/java/org/apache/kafka/message/ApiMessageTypeGenerator.java#L268-L277 * The code is materialized in ApiMessageTypes class. */ } else { /* even if flexible API is used, clientId is still using gint16 string length prefix */ offset = dissect_kafka_string(kafka_tree, hf_kafka_client_id, tvb, pinfo, offset, 0, NULL, NULL); } if (matcher->flexible_api) { /* version 2 request header (flexible API) contains list of tagged fields, last param is ignored */ offset = dissect_kafka_tagged_fields(tvb, pinfo, kafka_tree, offset, 0); } switch (matcher->api_key) { case KAFKA_PRODUCE: /* The kafka server always responds, except in the case of a produce * request whose RequiredAcks field is 0. This field is at a dynamic * offset into the request, so to avoid too much prefetch logic we * simply don't queue produce requests here. If it is a produce * request with a non-zero RequiredAcks field it gets queued later. */ if (tvb_get_ntohs(tvb, offset) == KAFKA_ACK_NOT_REQUIRED) { has_response = 0; } offset = dissect_kafka_produce_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_FETCH: offset = dissect_kafka_fetch_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_OFFSETS: offset = dissect_kafka_offsets_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_METADATA: offset = dissect_kafka_metadata_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_LEADER_AND_ISR: offset = dissect_kafka_leader_and_isr_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_STOP_REPLICA: offset = dissect_kafka_stop_replica_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_UPDATE_METADATA: offset = dissect_kafka_update_metadata_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_CONTROLLED_SHUTDOWN: offset = dissect_kafka_controlled_shutdown_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_OFFSET_COMMIT: offset = dissect_kafka_offset_commit_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_OFFSET_FETCH: offset = dissect_kafka_offset_fetch_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_FIND_COORDINATOR: offset = dissect_kafka_find_coordinator_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_JOIN_GROUP: offset = dissect_kafka_join_group_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_HEARTBEAT: offset = dissect_kafka_heartbeat_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_LEAVE_GROUP: offset = dissect_kafka_leave_group_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_SYNC_GROUP: offset = dissect_kafka_sync_group_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_DESCRIBE_GROUPS: offset = dissect_kafka_describe_groups_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_LIST_GROUPS: offset = dissect_kafka_list_groups_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_SASL_HANDSHAKE: offset = dissect_kafka_sasl_handshake_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_API_VERSIONS: offset = dissect_kafka_api_versions_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_CREATE_TOPICS: offset = dissect_kafka_create_topics_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_DELETE_TOPICS: offset = dissect_kafka_delete_topics_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_DELETE_RECORDS: offset = dissect_kafka_delete_records_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_INIT_PRODUCER_ID: offset = dissect_kafka_init_producer_id_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_OFFSET_FOR_LEADER_EPOCH: offset = dissect_kafka_offset_for_leader_epoch_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_ADD_PARTITIONS_TO_TXN: offset = dissect_kafka_add_partitions_to_txn_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_ADD_OFFSETS_TO_TXN: offset = dissect_kafka_add_offsets_to_txn_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_END_TXN: offset = dissect_kafka_end_txn_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_WRITE_TXN_MARKERS: offset = dissect_kafka_write_txn_markers_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_TXN_OFFSET_COMMIT: offset = dissect_kafka_txn_offset_commit_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_DESCRIBE_ACLS: offset = dissect_kafka_describe_acls_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_CREATE_ACLS: offset = dissect_kafka_create_acls_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_DELETE_ACLS: offset = dissect_kafka_delete_acls_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_DESCRIBE_CONFIGS: offset = dissect_kafka_describe_configs_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_ALTER_CONFIGS: offset = dissect_kafka_alter_configs_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_ALTER_REPLICA_LOG_DIRS: offset = dissect_kafka_alter_replica_log_dirs_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_DESCRIBE_LOG_DIRS: offset = dissect_kafka_describe_log_dirs_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_CREATE_PARTITIONS: offset = dissect_kafka_create_partitions_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_SASL_AUTHENTICATE: offset = dissect_kafka_sasl_authenticate_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_CREATE_DELEGATION_TOKEN: offset = dissect_kafka_create_delegation_token_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_RENEW_DELEGATION_TOKEN: offset = dissect_kafka_renew_delegation_token_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_EXPIRE_DELEGATION_TOKEN: offset = dissect_kafka_expire_delegation_token_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_DESCRIBE_DELEGATION_TOKEN: offset = dissect_kafka_describe_delegation_token_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_DELETE_GROUPS: offset = dissect_kafka_delete_groups_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_ELECT_LEADERS: offset = dissect_kafka_elect_leaders_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_INC_ALTER_CONFIGS: offset = dissect_kafka_inc_alter_configs_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_ALTER_PARTITION_REASSIGNMENTS: offset = dissect_kafka_alter_partition_reassignments_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_LIST_PARTITION_REASSIGNMENTS: offset = dissect_kafka_list_partition_reassignments_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_OFFSET_DELETE: offset = dissect_kafka_offset_delete_request(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; } if (!(has_response && dissect_kafka_insert_match(pinfo, pdu_correlation_id, matcher))) { wmem_free(wmem_file_scope(), matcher); } } else { /* Response */ /* in the response PDU the correlation id comes directly after frame length */ pdu_correlation_id = tvb_get_ntohl(tvb, offset); proto_tree_add_item(kafka_tree, hf_kafka_correlation_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; matcher = dissect_kafka_lookup_match(pinfo, pdu_correlation_id); if (matcher == NULL) { col_set_str(pinfo->cinfo, COL_INFO, "Kafka Response (Undecoded, Request Missing)"); expert_add_info(pinfo, root_ti, &ei_kafka_request_missing); return tvb_captured_length(tvb); } col_add_fstr(pinfo->cinfo, COL_INFO, "Kafka %s v%d Response", kafka_api_key_to_str(matcher->api_key), matcher->api_version); /* Also add to protocol root */ proto_item_append_text(root_ti, " (%s v%d Response)", kafka_api_key_to_str(matcher->api_key), matcher->api_version); /* Show request frame */ ti = proto_tree_add_uint(kafka_tree, hf_kafka_request_frame, tvb, 0, 0, matcher->request_frame); proto_item_set_generated(ti); /* Show api key (message type) */ ti = proto_tree_add_int(kafka_tree, hf_kafka_response_api_key, tvb, 0, 0, matcher->api_key); proto_item_set_generated(ti); proto_item_set_hidden(ti); ti = proto_tree_add_int(kafka_tree, hf_kafka_api_key, tvb, 0, 0, matcher->api_key); proto_item_set_generated(ti); kafka_check_supported_api_key(pinfo, ti, matcher); /* Also show api version from request */ ti = proto_tree_add_int(kafka_tree, hf_kafka_response_api_version, tvb, 0, 0, matcher->api_version); proto_item_set_generated(ti); kafka_check_supported_api_version(pinfo, ti, matcher); if (matcher->api_key == KAFKA_API_VERSIONS) { /* * Special case for ApiVersions. * https://cwiki.apache.org/confluence/display/KAFKA/KIP-511%3A+Collect+and+Expose+Client%27s+Name+and+Version+in+the+Brokers * https://github.com/apache/kafka/blob/2.5.0/generator/src/main/java/org/apache/kafka/message/ApiMessageTypeGenerator.java#L261-L267 * The code is materialized in ApiMessageTypes class. */ } else if (matcher->flexible_api) { /* version 1 response header (flexible API) contains list of tagged fields, last param is ignored */ offset = dissect_kafka_tagged_fields(tvb, pinfo, kafka_tree, offset, 0); } switch (matcher->api_key) { case KAFKA_PRODUCE: offset = dissect_kafka_produce_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_FETCH: offset = dissect_kafka_fetch_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_OFFSETS: offset = dissect_kafka_offsets_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_METADATA: offset = dissect_kafka_metadata_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_LEADER_AND_ISR: offset = dissect_kafka_leader_and_isr_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_STOP_REPLICA: offset = dissect_kafka_stop_replica_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_UPDATE_METADATA: offset = dissect_kafka_update_metadata_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_CONTROLLED_SHUTDOWN: offset = dissect_kafka_controlled_shutdown_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_OFFSET_COMMIT: offset = dissect_kafka_offset_commit_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_OFFSET_FETCH: offset = dissect_kafka_offset_fetch_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_FIND_COORDINATOR: offset = dissect_kafka_find_coordinator_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_JOIN_GROUP: offset = dissect_kafka_join_group_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_HEARTBEAT: offset = dissect_kafka_heartbeat_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_LEAVE_GROUP: offset = dissect_kafka_leave_group_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_SYNC_GROUP: offset = dissect_kafka_sync_group_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_DESCRIBE_GROUPS: offset = dissect_kafka_describe_groups_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_LIST_GROUPS: offset = dissect_kafka_list_groups_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_SASL_HANDSHAKE: offset = dissect_kafka_sasl_handshake_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_API_VERSIONS: offset = dissect_kafka_api_versions_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_CREATE_TOPICS: offset = dissect_kafka_create_topics_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_DELETE_TOPICS: offset = dissect_kafka_delete_topics_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_DELETE_RECORDS: offset = dissect_kafka_delete_records_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_INIT_PRODUCER_ID: offset = dissect_kafka_init_producer_id_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_OFFSET_FOR_LEADER_EPOCH: offset = dissect_kafka_offset_for_leader_epoch_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_ADD_PARTITIONS_TO_TXN: offset = dissect_kafka_add_partitions_to_txn_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_ADD_OFFSETS_TO_TXN: offset = dissect_kafka_add_offsets_to_txn_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_END_TXN: offset = dissect_kafka_end_txn_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_WRITE_TXN_MARKERS: offset = dissect_kafka_write_txn_markers_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_TXN_OFFSET_COMMIT: offset = dissect_kafka_txn_offset_commit_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_DESCRIBE_ACLS: offset = dissect_kafka_describe_acls_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_CREATE_ACLS: offset = dissect_kafka_create_acls_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_DELETE_ACLS: offset = dissect_kafka_delete_acls_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_DESCRIBE_CONFIGS: offset = dissect_kafka_describe_configs_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_ALTER_CONFIGS: offset = dissect_kafka_alter_configs_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_ALTER_REPLICA_LOG_DIRS: offset = dissect_kafka_alter_replica_log_dirs_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_DESCRIBE_LOG_DIRS: offset = dissect_kafka_describe_log_dirs_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_CREATE_PARTITIONS: offset = dissect_kafka_create_partitions_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_SASL_AUTHENTICATE: offset = dissect_kafka_sasl_authenticate_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_CREATE_DELEGATION_TOKEN: offset = dissect_kafka_create_delegation_token_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_RENEW_DELEGATION_TOKEN: offset = dissect_kafka_renew_delegation_token_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_EXPIRE_DELEGATION_TOKEN: offset = dissect_kafka_expire_delegation_token_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_DESCRIBE_DELEGATION_TOKEN: offset = dissect_kafka_describe_delegation_token_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_DELETE_GROUPS: offset = dissect_kafka_delete_groups_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_ELECT_LEADERS: offset = dissect_kafka_elect_leaders_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_INC_ALTER_CONFIGS: offset = dissect_kafka_inc_alter_configs_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_ALTER_PARTITION_REASSIGNMENTS: offset = dissect_kafka_alter_partition_reassignments_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_LIST_PARTITION_REASSIGNMENTS: offset = dissect_kafka_list_partition_reassignments_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; case KAFKA_OFFSET_DELETE: offset = dissect_kafka_offset_delete_response(tvb, pinfo, kafka_tree, offset, matcher->api_version); break; } } if (offset != (int)pdu_length + 4) { expert_add_info(pinfo, root_ti, &ei_kafka_pdu_length_mismatch); } return offset; } /* * Compute the length of a Kafka protocol frame (PDU) from the minimal fragment. * The datastream in TCP (and TLS) is and abstraction of continuous stream of octets. * On the network level these are transported in chunks (packets). On the application * protocol level we do also deal with discrete chunks (PDUs). Ideally these should * match. In the real life the boundaries are different. In Kafka case a PDU may span * multiple network packets. A PDU starts with 32 bit unsigned integer that specifies * remaining protocol frame length. Fortunatelly protocol implementations execute * flush between subsequent PDUs, therefore we should not expect PDU starting in the middle * of TCP data packet or TLS data frame. */ static guint get_kafka_pdu_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset, void *data _U_) { return 4 + tvb_get_ntohl(tvb, offset); } /* * Attempt to dissect Kafka protocol frames. */ static int dissect_kafka_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) { tcp_dissect_pdus(tvb, pinfo, tree, TRUE, 4, get_kafka_pdu_len, dissect_kafka, data); return tvb_captured_length(tvb); } static void compute_kafka_api_names(void) { guint i; guint len = array_length(kafka_apis); for (i = 0; i < len; ++i) { kafka_api_names[i].value = kafka_apis[i].api_key; kafka_api_names[i].strptr = kafka_apis[i].name; } kafka_api_names[len].value = 0; kafka_api_names[len].strptr = NULL; } static void proto_register_kafka_protocol_fields(int protocol) { static hf_register_info hf[] = { { &hf_kafka_len, { "Length", "kafka.len", FT_INT32, BASE_DEC, 0, 0, "The length of this Kafka packet.", HFILL } }, { &hf_kafka_offset, { "Offset", "kafka.offset", FT_INT64, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_offset_time, { "Time", "kafka.offset_time", FT_INT64, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_log_start_offset, { "Log Start Offset", "kafka.log_start_offset", FT_INT64, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_last_stable_offset, { "Last Stable Offset", "kafka.last_stable_offset", FT_INT64, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_first_offset, { "First Offset", "kafka.first_offset", FT_INT64, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_max_offsets, { "Max Offsets", "kafka.max_offsets", FT_INT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_metadata, { "Metadata", "kafka.metadata", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_error, { "Error", "kafka.error", FT_INT16, BASE_DEC, VALS(kafka_errors), 0, NULL, HFILL } }, { &hf_kafka_error_message, { "Error Message", "kafka.error_message", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_api_key, { "API Key", "kafka.api_key", FT_INT16, BASE_DEC, VALS(kafka_api_names), 0, "Request API Key.", HFILL } }, { &hf_kafka_api_version, { "API Version", "kafka.api_version", FT_INT16, BASE_DEC, 0, 0, "Request API Version.", HFILL } }, // these should be deprecated // --- begin --- { &hf_kafka_request_api_key, { "API Key", "kafka.request_key", FT_INT16, BASE_DEC, VALS(kafka_api_names), 0, "Request API.", HFILL } }, { &hf_kafka_response_api_key, { "API Key", "kafka.response_key", FT_INT16, BASE_DEC, VALS(kafka_api_names), 0, "Response API.", HFILL } }, { &hf_kafka_request_api_version, { "API Version", "kafka.request.version", FT_INT16, BASE_DEC, 0, 0, "Request API Version.", HFILL } }, { &hf_kafka_response_api_version, { "API Version", "kafka.response.version", FT_INT16, BASE_DEC, 0, 0, "Response API Version.", HFILL } }, // --- end --- { &hf_kafka_correlation_id, { "Correlation ID", "kafka.correlation_id", FT_INT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_client_id, { "Client ID", "kafka.client_id", FT_STRING, BASE_NONE, 0, 0, "The ID of the sending client.", HFILL } }, { &hf_kafka_client_host, { "Client Host", "kafka.client_host", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_transactional_id, { "Transactional ID", "kafka.transactional_id", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_transaction_result, { "Transaction Result", "kafka.transaction_result", FT_INT8, BASE_DEC, VALS(kafka_transaction_results), 0, NULL, HFILL } }, { &hf_kafka_transaction_timeout, { "Transaction Timeout", "kafka.transaction_timeout", FT_INT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_required_acks, { "Required Acks", "kafka.required_acks", FT_INT16, BASE_DEC, VALS(kafka_acks), 0, NULL, HFILL } }, { &hf_kafka_timeout, { "Timeout", "kafka.timeout", FT_INT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_topic_name, { "Topic Name", "kafka.topic_name", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_producer_id, { "Producer ID", "kafka.producer_id", FT_INT64, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_producer_epoch, { "Producer Epoch", "kafka.producer_epoch", FT_INT16, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_partition_id, { "Partition ID", "kafka.partition_id", FT_INT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_replica, { "Replica ID", "kafka.replica_id", FT_INT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_replication_factor, { "Replication Factor", "kafka.replication_factor", FT_INT16, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_isr, { "Caught-Up Replica ID", "kafka.isr_id", FT_INT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_offline, { "Offline Replica ID", "kafka.offline_id", FT_INT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_message_size, { "Message Size", "kafka.message_size", FT_INT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_message_crc, { "CRC32", "kafka.message_crc", FT_UINT32, BASE_HEX, 0, 0, NULL, HFILL } }, { &hf_kafka_message_magic, { "Magic Byte", "kafka.message_magic", FT_INT8, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_message_codec, { "Compression Codec", "kafka.message_codec", FT_UINT8, BASE_DEC, VALS(kafka_message_codecs), KAFKA_MESSAGE_CODEC_MASK, NULL, HFILL } }, { &hf_kafka_message_timestamp_type, { "Timestamp Type", "kafka.message_timestamp_type", FT_UINT8, BASE_DEC, VALS(kafka_message_timestamp_types), KAFKA_MESSAGE_TIMESTAMP_MASK, NULL, HFILL } }, { &hf_kafka_batch_crc, { "CRC32", "kafka.batch_crc", FT_UINT32, BASE_HEX, 0, 0, NULL, HFILL } }, { &hf_kafka_batch_codec, { "Compression Codec", "kafka.batch_codec", FT_UINT16, BASE_DEC, VALS(kafka_message_codecs), KAFKA_MESSAGE_CODEC_MASK, NULL, HFILL } }, { &hf_kafka_batch_timestamp_type, { "Timestamp Type", "kafka.batch_timestamp_type", FT_UINT16, BASE_DEC, VALS(kafka_message_timestamp_types), KAFKA_MESSAGE_TIMESTAMP_MASK, NULL, HFILL } }, { &hf_kafka_batch_transactional, { "Transactional", "kafka.batch_transactional", FT_UINT16, BASE_DEC, VALS(kafka_batch_transactional_values), KAFKA_BATCH_TRANSACTIONAL_MASK, NULL, HFILL } }, { &hf_kafka_batch_control_batch, { "Control Batch", "kafka.batch_control_batch", FT_UINT16, BASE_DEC, VALS(kafka_batch_control_batch_values), KAFKA_BATCH_CONTROL_BATCH_MASK, NULL, HFILL } }, { &hf_kafka_batch_last_offset_delta, { "Last Offset Delta", "kafka.batch_last_offset_delta", FT_UINT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_batch_first_timestamp, { "First Timestamp", "kafka.batch_first_timestamp", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0, NULL, HFILL } }, { &hf_kafka_batch_last_timestamp, { "Last Timestamp", "kafka.batch_last_timestamp", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0, NULL, HFILL } }, { &hf_kafka_batch_base_sequence, { "Base Sequence", "kafka.batch_base_sequence", FT_INT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_batch_size, { "Size", "kafka.batch_size", FT_UINT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_batch_index, { "Batch Index", "kafka.batch_index", FT_UINT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_batch_index_error_message, { "Batch Index Error Message", "kafka.batch_index_error_message", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_message_timestamp, { "Timestamp", "kafka.message_timestamp", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0, NULL, HFILL } }, { &hf_kafka_message_key, { "Key", "kafka.message_key", FT_BYTES, BASE_SHOW_ASCII_PRINTABLE, 0, 0, NULL, HFILL } }, { &hf_kafka_message_value, { "Value", "kafka.message_value", FT_BYTES, BASE_SHOW_ASCII_PRINTABLE, 0, 0, NULL, HFILL } }, { &hf_kafka_message_compression_reduction, { "Compression Reduction (compressed/uncompressed)", "kafka.message_compression_reduction", FT_FLOAT, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_truncated_content, { "Truncated Content", "kafka.truncated_content", FT_BYTES, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_consumer_group, { "Consumer Group", "kafka.consumer_group", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_consumer_group_instance, { "Consumer Group Instance", "kafka.consumer_group_instance", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_coordinator_key, { "Coordinator Key", "kafka.coordinator_key", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_coordinator_type, { "Coordinator Type", "kafka.coordinator_type", FT_INT8, BASE_DEC, VALS(kafka_coordinator_types), 0, NULL, HFILL } }, { &hf_kafka_request_frame, { "Request Frame", "kafka.request_frame", FT_FRAMENUM, BASE_NONE, FRAMENUM_TYPE(FT_FRAMENUM_REQUEST), 0, NULL, HFILL } }, { &hf_kafka_broker_nodeid, { "Node ID", "kafka.node_id", FT_INT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_broker_epoch, { "Broker Epoch", "kafka.broker_epoch", FT_INT64, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_broker_host, { "Host", "kafka.host", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_listener_name, { "Listener", "kafka.listener_name", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_broker_port, { "Port", "kafka.port", FT_INT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_rack, { "Rack", "kafka.rack", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_broker_security_protocol_type, { "Security Protocol Type", "kafka.broker_security_protocol_type", FT_INT16, BASE_DEC, VALS(kafka_security_protocol_types), 0, NULL, HFILL } }, { &hf_kafka_cluster_id, { "Cluster ID", "kafka.cluster_id", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_controller_id, { "Controller ID", "kafka.node_id", FT_INT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_controller_epoch, { "Controller Epoch", "kafka.controller_epoch", FT_INT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_delete_partitions, { "Delete Partitions", "kafka.delete_partitions", FT_BOOLEAN, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_group_leader_id, { "Leader ID", "kafka.group_leader_id", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_leader_id, { "Leader ID", "kafka.leader_id", FT_INT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_leader_epoch, { "Leader Epoch", "kafka.leader_epoch", FT_INT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_current_leader_epoch, { "Leader Epoch", "kafka.current_leader_epoch", FT_INT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_is_internal, { "Is Internal", "kafka.is_internal", FT_BOOLEAN, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_min_bytes, { "Min Bytes", "kafka.min_bytes", FT_INT32, BASE_DEC, 0, 0, "The minimum number of bytes of messages that must be available" " to give a response.", HFILL } }, { &hf_kafka_max_bytes, { "Max Bytes", "kafka.max_bytes", FT_INT32, BASE_DEC, 0, 0, "The maximum bytes to include in the message set for this" " partition. This helps bound the size of the response.", HFILL } }, { &hf_kafka_isolation_level, { "Isolation Level", "kafka.isolation_level", FT_INT8, BASE_DEC, VALS(kafka_isolation_levels), 0, NULL, HFILL } }, { &hf_kafka_max_wait_time, { "Max Wait Time", "kafka.max_wait_time", FT_INT32, BASE_DEC, 0, 0, "The maximum amount of time in milliseconds to block waiting if" " insufficient data is available at the time the request is" " issued.", HFILL } }, { &hf_kafka_throttle_time, { "Throttle time", "kafka.throttle_time", FT_INT32, BASE_DEC, 0, 0, "Duration in milliseconds for which the request was throttled" " due to quota violation." " (Zero if the request did not violate any quota.)", HFILL } }, { &hf_kafka_response_frame, { "Response Frame", "kafka.response_frame", FT_FRAMENUM, BASE_NONE, FRAMENUM_TYPE(FT_FRAMENUM_RESPONSE), 0, NULL, HFILL } }, { &hf_kafka_api_versions_api_key, { "API Key", "kafka.api_versions.api_key", FT_INT16, BASE_DEC, VALS(kafka_api_names), 0, "API Key.", HFILL } }, { &hf_kafka_api_versions_min_version, { "Min Version", "kafka.api_versions.min_version", FT_INT16, BASE_DEC, 0, 0, "Minimal version which supports api key.", HFILL } }, { &hf_kafka_api_versions_max_version, { "Max Version", "kafka.api_versions.max_version", FT_INT16, BASE_DEC, 0, 0, "Maximal version which supports api key.", HFILL } }, { &hf_kafka_session_timeout, { "Session Timeout", "kafka.session_timeout", FT_INT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_rebalance_timeout, { "Rebalance Timeout", "kafka.rebalance_timeout", FT_INT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_group_state, { "State", "kafka.group_state", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_member_id, { "Consumer Group Member ID", "kafka.member_id", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_protocol_type, { "Protocol Type", "kafka.protocol_type", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_protocol_name, { "Protocol Name", "kafka.protocol_name", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_protocol_metadata, { "Protocol Metadata", "kafka.protocol_metadata", FT_BYTES, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_member_metadata, { "Member Metadata", "kafka.member_metadata", FT_BYTES, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_generation_id, { "Generation ID", "kafka.generation_id", FT_INT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_member_assignment, { "Member Assignment", "kafka.member_assignment", FT_BYTES, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_sasl_mechanism, { "SASL Mechanism", "kafka.sasl_mechanism", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_num_partitions, { "Number of Partitions", "kafka.num_partitions", FT_INT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_zk_version, { "Zookeeper Version", "kafka.zk_version", FT_INT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_is_new_replica, { "New Replica", "kafka.is_new_replica", FT_BOOLEAN, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_config_key, { "Key", "kafka.config_key", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_config_value, { "Value", "kafka.config_value", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_config_operation, { "Operation", "kafka.config_operation", FT_INT8, BASE_DEC, VALS(config_operations), 0, NULL, HFILL } }, { &hf_kafka_commit_timestamp, { "Timestamp", "kafka.commit_timestamp", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0, NULL, HFILL } }, { &hf_kafka_retention_time, { "Retention Time", "kafka.retention_time", FT_INT64, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_forgotten_topic_name, { "Forgotten Topic Name", "kafka.forgotten_topic_name", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_forgotten_topic_partition, { "Forgotten Topic Partition", "kafka.forgotten_topic_partition", FT_INT64, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_fetch_session_id, { "Fetch Session ID", "kafka.fetch_session_id", FT_INT64, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_fetch_session_epoch, { "Fetch Session Epoch", "kafka.fetch_session_epoch", FT_INT64, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_require_stable_offset, { "Require Stable Offset", "kafka.require_stable_offset", FT_BOOLEAN, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_record_header_key, { "Header Key", "kafka.header_key", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_record_header_value, { "Header Value", "kafka.header_value", FT_BYTES, BASE_SHOW_ASCII_PRINTABLE, 0, 0, NULL, HFILL } }, { &hf_kafka_record_attributes, { "Record Attributes (reserved)", "kafka.record_attributes", FT_INT8, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_allow_auto_topic_creation, { "Allow Auto Topic Creation", "kafka.allow_auto_topic_creation", FT_BOOLEAN, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_validate_only, { "Only Validate the Request", "kafka.validate_only", FT_BOOLEAN, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_coordinator_epoch, { "Coordinator Epoch", "kafka.coordinator_epoch", FT_INT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_sasl_auth_bytes, { "SASL Authentication Bytes", "kafka.sasl_authentication", FT_BYTES, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_session_lifetime_ms, { "Session Lifetime (ms)", "kafka.session_lifetime_ms", FT_INT64, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_acl_resource_type, { "Resource Type", "kafka.acl_resource_type", FT_INT8, BASE_DEC, VALS(acl_resource_types), 0, NULL, HFILL } }, { &hf_kafka_acl_resource_name, { "Resource Name", "kafka.acl_resource_name", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_acl_resource_pattern_type, { "Resource Pattern Type", "kafka.acl_resource_pattern_type", FT_INT8, BASE_DEC, VALS(acl_resource_pattern_types), 0, NULL, HFILL } }, { &hf_kafka_acl_principal, { "Principal", "kafka.acl_principal", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_acl_host, { "Host", "kafka.acl_host", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_acl_operation, { "Operation", "kafka.acl_operation", FT_INT8, BASE_DEC, VALS(acl_operations), 0, NULL, HFILL } }, { &hf_kafka_acl_permission_type, { "Permission Type", "kafka.acl_permission_type", FT_INT8, BASE_DEC, VALS(acl_permission_types), 0, NULL, HFILL } }, { &hf_kafka_config_resource_type, { "Resource Type", "kafka.config_resource_type", FT_INT8, BASE_DEC, VALS(config_resource_types), 0, NULL, HFILL } }, { &hf_kafka_config_resource_name, { "Resource Name", "kafka.config_resource_name", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_config_include_synonyms, { "Include Synonyms", "kafka.config_include_synonyms", FT_BOOLEAN, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_config_default, { "Default", "kafka.config_default", FT_BOOLEAN, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_config_readonly, { "Readonly", "kafka.config_readonly", FT_BOOLEAN, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_config_sensitive, { "Sensitive", "kafka.config_sensitive", FT_BOOLEAN, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_config_source, { "Source", "kafka.config_source", FT_INT8, BASE_DEC, VALS(config_sources), 0, NULL, HFILL } }, { &hf_kafka_log_dir, { "Log Directory", "kafka.log_dir", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_segment_size, { "Segment Size", "kafka.segment_size", FT_UINT64, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_offset_lag, { "Offset Lag", "kafka.offset_lag", FT_UINT64, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_future, { "Future", "kafka.future", FT_BOOLEAN, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_partition_count, { "Partition Count", "kafka.partition_count", FT_UINT32, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_token_max_life_time, { "Max Life Time", "kafka.token_max_life_time", FT_INT64, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_token_renew_time, { "Renew Time", "kafka.renew_time", FT_INT64, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_token_expiry_time, { "Expiry Time", "kafka.expiry_time", FT_INT64, BASE_DEC, 0, 0, NULL, HFILL } }, { &hf_kafka_token_principal_type, { "Principal Type", "kafka.principal_type", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_token_principal_name, { "Principal Name", "kafka.principal_name", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_token_issue_timestamp, { "Issue Timestamp", "kafka.token_issue_timestamp", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0, NULL, HFILL } }, { &hf_kafka_token_expiry_timestamp, { "Expiry Timestamp", "kafka.token_expiry_timestamp", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0, NULL, HFILL } }, { &hf_kafka_token_max_timestamp, { "Max Timestamp", "kafka.token_max_timestamp", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0, NULL, HFILL } }, { &hf_kafka_token_id, { "ID", "kafka.token_id", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_token_hmac, { "HMAC", "kafka.token_hmac", FT_BYTES, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_include_cluster_authorized_ops, { "Include Cluster Authorized Operations", "kafka.include_cluster_authorized_ops", FT_BOOLEAN, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_include_topic_authorized_ops, { "Include Topic Authorized Operations", "kafka.include_topic_authorized_ops", FT_BOOLEAN, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_cluster_authorized_ops, { "Cluster Authorized Operations", "kafka.cluster_authorized_ops", FT_UINT32, BASE_HEX, 0, 0, NULL, HFILL } }, { &hf_kafka_topic_authorized_ops, { "Topic Authorized Operations", "kafka.topic_authorized_ops", FT_UINT32, BASE_HEX, 0, 0, NULL, HFILL } }, { &hf_kafka_include_group_authorized_ops, { "Include Group Authorized Operations", "kafka.include_group_authorized_ops", FT_BOOLEAN, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_group_authorized_ops, { "Group Authorized Operations", "kafka.group_authorized_ops", FT_UINT32, BASE_HEX, 0, 0, NULL, HFILL } }, { &hf_kafka_election_type, { "Election Type", "kafka.election_type", FT_INT8, BASE_DEC, VALS(election_types), 0, NULL, HFILL } }, { &hf_kafka_tagged_field_tag, { "Tag Value", "kafka.tagged_field_tag", FT_UINT64, BASE_HEX, 0, 0, NULL, HFILL } }, { &hf_kafka_tagged_field_data, { "Tag Data", "kafka.tagged_field_data", FT_BYTES, BASE_SHOW_ASCII_PRINTABLE, 0, 0, NULL, HFILL } }, { &hf_kafka_client_software_name, { "Client Software Name", "kafka.client_software_name", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, { &hf_kafka_client_software_version, { "Client Software Version", "kafka.client_software_version", FT_STRING, BASE_NONE, 0, 0, NULL, HFILL } }, }; proto_register_field_array(protocol, hf, array_length(hf)); } static void proto_register_kafka_protocol_subtrees(const int proto _U_) { static int *ett[] = { &ett_kafka, &ett_kafka_batch, &ett_kafka_message, &ett_kafka_message_set, &ett_kafka_offline, &ett_kafka_isrs, &ett_kafka_replicas, &ett_kafka_broker, &ett_kafka_brokers, &ett_kafka_broker_end_point, &ett_kafka_markers, &ett_kafka_marker, &ett_kafka_topics, &ett_kafka_topic, &ett_kafka_partitions, &ett_kafka_partition, &ett_kafka_api_version, &ett_kafka_group_protocols, &ett_kafka_group_protocol, &ett_kafka_group_members, &ett_kafka_group_member, &ett_kafka_group_assignments, &ett_kafka_group_assignment, &ett_kafka_groups, &ett_kafka_group, &ett_kafka_sasl_enabled_mechanisms, &ett_kafka_replica_assignment, &ett_kafka_configs, &ett_kafka_config, &ett_kafka_request_forgotten_topic, &ett_kafka_record, &ett_kafka_record_headers, &ett_kafka_record_headers_header, &ett_kafka_aborted_transactions, &ett_kafka_aborted_transaction, &ett_kafka_resources, &ett_kafka_resource, &ett_kafka_acls, &ett_kafka_acl, &ett_kafka_acl_creations, &ett_kafka_acl_creation, &ett_kafka_acl_filters, &ett_kafka_acl_filter, &ett_kafka_acl_filter_matches, &ett_kafka_acl_filter_match, &ett_kafka_config_synonyms, &ett_kafka_config_synonym, &ett_kafka_config_entries, &ett_kafka_config_entry, &ett_kafka_log_dirs, &ett_kafka_log_dir, &ett_kafka_renewers, &ett_kafka_renewer, &ett_kafka_owners, &ett_kafka_owner, &ett_kafka_tokens, &ett_kafka_token, &ett_kafka_tagged_fields, &ett_kafka_tagged_field, &ett_kafka_record_errors, &ett_kafka_record_error, }; proto_register_subtree_array(ett, array_length(ett)); } static void proto_register_kafka_expert_module(const int proto) { expert_module_t* expert_kafka; static ei_register_info ei[] = { { &ei_kafka_request_missing, { "kafka.request_missing", PI_UNDECODED, PI_WARN, "Request missing", EXPFILL }}, { &ei_kafka_unknown_api_key, { "kafka.unknown_api_key", PI_UNDECODED, PI_WARN, "Unknown API key", EXPFILL }}, { &ei_kafka_unsupported_api_version, { "kafka.unsupported_api_version", PI_UNDECODED, PI_WARN, "Unsupported API version", EXPFILL }}, { &ei_kafka_bad_string_length, { "kafka.bad_string_length", PI_MALFORMED, PI_WARN, "Invalid string length field", EXPFILL }}, { &ei_kafka_bad_bytes_length, { "kafka.bad_bytes_length", PI_MALFORMED, PI_WARN, "Invalid byte length field", EXPFILL }}, { &ei_kafka_bad_array_length, { "kafka.bad_array_length", PI_MALFORMED, PI_WARN, "Invalid array length field", EXPFILL }}, { &ei_kafka_bad_record_length, { "kafka.bad_record_length", PI_MALFORMED, PI_WARN, "Invalid record length field", EXPFILL }}, { &ei_kafka_bad_varint, { "kafka.bad_varint", PI_MALFORMED, PI_WARN, "Invalid varint bytes", EXPFILL }}, { &ei_kafka_bad_message_set_length, { "kafka.ei_kafka_bad_message_set_length", PI_MALFORMED, PI_WARN, "Message set size does not match content", EXPFILL }}, { &ei_kafka_bad_decompression_length, { "kafka.ei_kafka_bad_decompression_length", PI_MALFORMED, PI_WARN, "Decompression size too large", EXPFILL }}, { &ei_kafka_zero_decompression_length, { "kafka.ei_kafka_zero_decompression_length", PI_PROTOCOL, PI_NOTE, "Decompression size zero", EXPFILL }}, { &ei_kafka_unknown_message_magic, { "kafka.unknown_message_magic", PI_MALFORMED, PI_WARN, "Invalid message magic field", EXPFILL }}, { &ei_kafka_pdu_length_mismatch, { "kafka.pdu_length_mismatch", PI_MALFORMED, PI_WARN, "Dissected message does not end at the pdu length offset", EXPFILL }}, }; expert_kafka = expert_register_protocol(proto); expert_register_field_array(expert_kafka, ei, array_length(ei)); } static void proto_register_kafka_preferences(const int proto) { module_t *kafka_module; kafka_module = prefs_register_protocol(proto, NULL); /* unused; kept for backward compatibility */ prefs_register_bool_preference(kafka_module, "show_string_bytes_lengths", "Show length for string and bytes fields in the protocol tree", "", &kafka_show_string_bytes_lengths); } /* * Dissector entry points, contract for dissection plugin. */ void proto_register_kafka(void) { int protocol_handle; compute_kafka_api_names(); protocol_handle = proto_register_protocol("Kafka", "Kafka", "kafka"); proto_register_kafka_protocol_fields(protocol_handle); proto_register_kafka_protocol_subtrees(protocol_handle); proto_register_kafka_expert_module(protocol_handle); proto_register_kafka_preferences(protocol_handle); proto_kafka = protocol_handle; } void proto_reg_handoff_kafka(void) { static dissector_handle_t kafka_handle; kafka_handle = register_dissector("kafka", dissect_kafka_tcp, proto_kafka); dissector_add_uint_range_with_preference("tcp.port", KAFKA_TCP_DEFAULT_RANGE, kafka_handle); ssl_dissector_add(0, kafka_handle); } /* * Editor modelines - https://www.wireshark.org/tools/modelines.html * * Local variables: * c-basic-offset: 4 * tab-width: 8 * indent-tabs-mode: nil * End: * * vi: set shiftwidth=4 tabstop=8 expandtab: * :indentSize=4:tabSize=8:noTabs=true: */