/* packet-shicp.c * Routines for Secure Host IP Configuration Protocol dissection * Copyright 2021, Filip Kågesson * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * SPDX-License-Identifier: GPL-2.0-or-later */ #include #include #include #include #include void proto_reg_handoff_shicp(void); void proto_register_shicp(void); /* Protocols and header fields */ static int proto_shicp = -1; static int hf_shicp_header = -1; static int hf_shicp_protocol_version = -1; static int hf_shicp_dst = -1; static int hf_shicp_src = -1; static int hf_shicp_flags = -1; static int hf_shicp_msgclass_flag = -1; static int hf_shicp_error_flag = -1; static int hf_shicp_reserved_flag = -1; static int hf_shicp_msgtype = -1; static int hf_shicp_error = -1; static int hf_shicp_error_string = -1; static int hf_shicp_auth_req = -1; static int hf_shicp_module_version = -1; static int hf_shicp_module_desc = -1; static int hf_shicp_supported_msg = -1; static int hf_shicp_ip = -1; static int hf_shicp_sn = -1; static int hf_shicp_gw = -1; static int hf_shicp_dns1 = -1; static int hf_shicp_dns2 = -1; static int hf_shicp_dhcp = -1; static int hf_shicp_hn = -1; static int hf_shicp_hn_max_len = -1; static int hf_shicp_pswd_max_len = -1; static int hf_shicp_challenge = -1; static int hf_shicp_validity_period = -1; static int hf_shicp_token = -1; static int hf_shicp_pswd = -1; static int hf_shicp_wink_type = -1; static int hf_shicp_restart_mode = -1; static gint ett_shicp = -1; static gint ett_shicp_flags = -1; static expert_field ei_shicp_error = EI_INIT; static expert_field ei_shicp_malformed = EI_INIT; #define SHICP_UDP_PORT 3250 #define SHICP_MIN_LENGTH 2 #define SHICP_MAX_LENGTH 548 #define SHICP_HEADER_SIZE 2 #define SHICP_ADDRESS_SIZE 6 #define SHICP_FLAGS_SIZE 1 #define SHICP_MSG_TYPE_SIZE 1 #define SHICP_ERROR_SIZE 1 #define SHICP_CHALLENGE_SIZE 4 #define SHICP_VALIDITY_PERIOD_SIZE 1 #define SHICP_TOKEN_SIZE 36 #define SHICP_WINK_TYPE_SIZE 1 #define SHICP_RESTART_MODE_SIZE 1 #define SHICP_FIXED_LEN 18 #define SHICP_MSG_CLASS_FLAG 0x01 #define SHICP_ERROR_FLAG 0x02 #define SHICP_RESERVED_FLAG 0xFC /* Values of the supported message types. */ #define SHICP_DISCOVER_MSG_TYPE 0x00 #define SHICP_AUTH_CHALLENGE_MSG_TYPE 0x01 #define SHICP_CONFIG_MSG_TYPE 0x02 #define SHICP_WINK_MSG_TYPE 0x03 #define SHICP_RESTART_MSG_TYPE 0x04 #define SHICP_MASS_RESTART_MSG_TYPE 0x05 /* Keys of the parameters associated with discover messages. */ #define SHICP_DISCOVER_AUTH_REQ_KEY 0x00 #define SHICP_DISCOVER_MODULE_VERSION_KEY 0x01 #define SHICP_DISCOVER_MODULE_DESC_KEY 0x02 #define SHICP_DISCOVER_SUPPORTED_MSG_KEY 0x03 #define SHICP_DISCOVER_IP_KEY 0x04 #define SHICP_DISCOVER_SN_KEY 0x05 #define SHICP_DISCOVER_GW_KEY 0x06 #define SHICP_DISCOVER_DNS1_KEY 0x07 #define SHICP_DISCOVER_DNS2_KEY 0x08 #define SHICP_DISCOVER_DHCP_KEY 0x09 #define SHICP_DISCOVER_HN_KEY 0x0A #define SHICP_DISCOVER_HN_MAX_LEN_KEY 0x0B #define SHICP_DISCOVER_PSWD_MAX_LEN_KEY 0x0C /* Keys of the parameters associated with configuration messages. */ #define SHICP_CONFIG_IP_KEY 0x00 #define SHICP_CONFIG_SN_KEY 0x01 #define SHICP_CONFIG_GW_KEY 0x02 #define SHICP_CONFIG_DNS1_KEY 0x03 #define SHICP_CONFIG_DNS2_KEY 0x04 #define SHICP_CONFIG_DHCP_KEY 0x05 #define SHICP_CONFIG_HN_KEY 0x06 #define SHICP_CONFIG_PSWD_KEY 0x07 /* The types of messages supported. */ static const value_string message_types[] = { {SHICP_DISCOVER_MSG_TYPE, "Discover"}, {SHICP_AUTH_CHALLENGE_MSG_TYPE, "Authentication challenge"}, {SHICP_CONFIG_MSG_TYPE, "Configuration"}, {SHICP_WINK_MSG_TYPE, "Wink"}, {SHICP_RESTART_MSG_TYPE, "Restart"}, {SHICP_MASS_RESTART_MSG_TYPE, "Mass-restart"}, {0, NULL} }; /* The error codes that are supported. */ static const value_string error_types[] = { {0x00, "Request was rejected"}, {0x01, "Authentication failed"}, {0x02, "Authentication required"}, {0x03, "Unsupported message type"}, {0x1F, "Hostname too long"}, {0x20, "Password too long"}, {0x21, "Bad config"}, {0, NULL} }; /* The types of restart mode that are supported. */ static const value_string restart_mode_types[] = { {0x00, "Immediate restart"}, {0x01, "Delayed restart"}, {0, NULL} }; static gboolean test_shicp(packet_info* pinfo, tvbuff_t* tvb, int offset, void* data _U_) { /* Check that the port matches the port used by SHICP. */ if (pinfo->destport != SHICP_UDP_PORT) { return FALSE; } /* Check that the length of the message is within allowed boundaries. */ if (tvb_reported_length(tvb) < SHICP_MIN_LENGTH || tvb_reported_length(tvb) > SHICP_MAX_LENGTH) { return FALSE; } /* Check that the header tag starts with 0xABC0. */ if ((tvb_get_guint16(tvb, offset, ENC_LITTLE_ENDIAN) & 0xFFF8) != 0xABC0) { return FALSE; } return TRUE; } static int dissect_shicp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) { proto_item* ti; proto_item* flags_pi; proto_item* error_pi; proto_tree* shicp_tree; guint offset = 0; guint payload_end; guint keyvalue_key = 0; guint keyvalue_length = 0; guint keyvalue_offset = 0; guint keyvalue_end = 0; guint8 supported_message_value = 0; guint16 payload_length = 0; guint32 version = 0; guint32 msgtype_value = 0; guint32 error_value = 0; guint64 flags_value = 0; wmem_strbuf_t* supported_messages = wmem_strbuf_new(wmem_packet_scope(), ""); wmem_strbuf_t* module_addr_strbuf = wmem_strbuf_new(wmem_packet_scope(), ""); static int* flags[] = { &hf_shicp_reserved_flag, &hf_shicp_error_flag, &hf_shicp_msgclass_flag, NULL }; col_set_str(pinfo->cinfo, COL_PROTOCOL, "SHICP"); col_clear(pinfo->cinfo, COL_INFO); ti = proto_tree_add_item(tree, proto_shicp, tvb, offset, -1, ENC_NA); shicp_tree = proto_item_add_subtree(ti, ett_shicp); proto_item_append_text(ti, ", Src:%s, Dst:%s", address_with_resolution_to_str(wmem_packet_scope(), &pinfo->dl_src), address_with_resolution_to_str(wmem_packet_scope(), &pinfo->dl_dst)); proto_tree_add_item_ret_uint(shicp_tree, hf_shicp_header, tvb, offset, SHICP_HEADER_SIZE, ENC_LITTLE_ENDIAN, &version); proto_tree_add_uint(shicp_tree, hf_shicp_protocol_version, tvb, offset, SHICP_HEADER_SIZE, version & 0x07); offset += SHICP_HEADER_SIZE; proto_tree_add_item(shicp_tree, hf_shicp_dst, tvb, offset, SHICP_ADDRESS_SIZE, ENC_NA); gchar* dst = tvb_address_to_str(wmem_packet_scope(), tvb, AT_ETHER, offset); offset += SHICP_ADDRESS_SIZE; proto_tree_add_item(shicp_tree, hf_shicp_src, tvb, offset, SHICP_ADDRESS_SIZE, ENC_NA); gchar* src = tvb_address_to_str(wmem_packet_scope(), tvb, AT_ETHER, offset); offset += SHICP_ADDRESS_SIZE; flags_pi = proto_tree_add_bitmask_ret_uint64(shicp_tree, tvb, offset, hf_shicp_flags, ett_shicp_flags, flags, ENC_LITTLE_ENDIAN, &flags_value); offset += SHICP_FLAGS_SIZE; proto_tree_add_item_ret_uint(shicp_tree, hf_shicp_msgtype, tvb, offset, SHICP_MSG_TYPE_SIZE, ENC_LITTLE_ENDIAN, &msgtype_value); offset += SHICP_MSG_TYPE_SIZE; payload_length = tvb_get_guint16(tvb, offset, ENC_LITTLE_ENDIAN); offset += 1; if (flags_value & SHICP_ERROR_FLAG) { proto_item_set_text(flags_pi, "Message flags: 0x%02x (%s, %s)", (guint)flags_value, tfs_get_string(flags_value & SHICP_MSG_CLASS_FLAG, &tfs_response_request), "Error"); if (payload_length != 1) { error_pi = proto_tree_add_string(shicp_tree, hf_shicp_error_string, tvb, offset, 0, "Malformed message"); expert_add_info(pinfo, error_pi, &ei_shicp_malformed); col_append_str(pinfo->cinfo, COL_INFO, "Error: Malformed message"); } else { error_pi = proto_tree_add_item_ret_uint(shicp_tree, hf_shicp_error, tvb, offset, SHICP_ERROR_SIZE, ENC_LITTLE_ENDIAN, &error_value); expert_add_info(pinfo, error_pi, &ei_shicp_error); col_append_fstr(pinfo->cinfo, COL_INFO, "Error: %s", val_to_str(error_value, error_types, "%d")); } } else { proto_item_set_text(flags_pi, "Message flags: 0x%02x (%s)", (guint)flags_value, tfs_get_string(flags_value & SHICP_MSG_CLASS_FLAG, &tfs_response_request)); col_append_fstr(pinfo->cinfo, COL_INFO, "%s, Type: %s", tfs_get_string(flags_value & SHICP_MSG_CLASS_FLAG, &tfs_response_request), val_to_str(msgtype_value, message_types, "%d")); payload_end = offset + payload_length; switch (msgtype_value) { case SHICP_DISCOVER_MSG_TYPE: while (offset < payload_end) { keyvalue_key = tvb_get_guint8(tvb, offset); offset += 1; keyvalue_length = tvb_get_guint8(tvb, offset); offset += 1; switch (keyvalue_key) { case SHICP_DISCOVER_AUTH_REQ_KEY: proto_tree_add_item(shicp_tree, hf_shicp_auth_req, tvb, offset, keyvalue_length, ENC_LITTLE_ENDIAN); break; case SHICP_DISCOVER_MODULE_VERSION_KEY: proto_tree_add_item(shicp_tree, hf_shicp_module_version, tvb, offset, keyvalue_length, ENC_ASCII | ENC_NA); break; case SHICP_DISCOVER_MODULE_DESC_KEY: proto_tree_add_item(shicp_tree, hf_shicp_module_desc, tvb, offset, keyvalue_length, ENC_ASCII | ENC_NA); break; case SHICP_DISCOVER_SUPPORTED_MSG_KEY: keyvalue_end = offset + keyvalue_length; keyvalue_offset = offset; supported_message_value = tvb_get_guint8(tvb, keyvalue_offset); wmem_strbuf_append(supported_messages, val_to_str(supported_message_value, message_types, "%d")); keyvalue_offset += 1; while (keyvalue_offset < keyvalue_end) { supported_message_value = tvb_get_guint8(tvb, keyvalue_offset); wmem_strbuf_append_printf(supported_messages, ", %s", val_to_str(supported_message_value, message_types, "%d")); keyvalue_offset += 1; } proto_tree_add_string(shicp_tree, hf_shicp_supported_msg, tvb, offset, keyvalue_length, wmem_strbuf_get_str(supported_messages)); break; case SHICP_DISCOVER_IP_KEY: proto_tree_add_item(shicp_tree, hf_shicp_ip, tvb, offset, keyvalue_length, ENC_LITTLE_ENDIAN); break; case SHICP_DISCOVER_SN_KEY: proto_tree_add_item(shicp_tree, hf_shicp_sn, tvb, offset, keyvalue_length, ENC_LITTLE_ENDIAN); break; case SHICP_DISCOVER_GW_KEY: proto_tree_add_item(shicp_tree, hf_shicp_gw, tvb, offset, keyvalue_length, ENC_LITTLE_ENDIAN); break; case SHICP_DISCOVER_DNS1_KEY: proto_tree_add_item(shicp_tree, hf_shicp_dns1, tvb, offset, keyvalue_length, ENC_LITTLE_ENDIAN); break; case SHICP_DISCOVER_DNS2_KEY: proto_tree_add_item(shicp_tree, hf_shicp_dns2, tvb, offset, keyvalue_length, ENC_LITTLE_ENDIAN); break; case SHICP_DISCOVER_DHCP_KEY: proto_tree_add_item(shicp_tree, hf_shicp_dhcp, tvb, offset, keyvalue_length, ENC_LITTLE_ENDIAN); break; case SHICP_DISCOVER_HN_KEY: proto_tree_add_item(shicp_tree, hf_shicp_hn, tvb, offset, keyvalue_length, ENC_ASCII | ENC_NA); break; case SHICP_DISCOVER_HN_MAX_LEN_KEY: proto_tree_add_item(shicp_tree, hf_shicp_hn_max_len, tvb, offset, keyvalue_length, ENC_LITTLE_ENDIAN); break; case SHICP_DISCOVER_PSWD_MAX_LEN_KEY: proto_tree_add_item(shicp_tree, hf_shicp_pswd_max_len, tvb, offset, keyvalue_length, ENC_LITTLE_ENDIAN); break; default: break; } offset += keyvalue_length; } break; case SHICP_AUTH_CHALLENGE_MSG_TYPE: if (payload_length >= 5) { proto_tree_add_item(shicp_tree, hf_shicp_challenge, tvb, offset, SHICP_CHALLENGE_SIZE, ENC_LITTLE_ENDIAN); offset += SHICP_CHALLENGE_SIZE; proto_tree_add_item(shicp_tree, hf_shicp_validity_period, tvb, offset, SHICP_VALIDITY_PERIOD_SIZE, ENC_LITTLE_ENDIAN); } break; case SHICP_CONFIG_MSG_TYPE: if (payload_length >= SHICP_TOKEN_SIZE) { proto_tree_add_item(shicp_tree, hf_shicp_token, tvb, offset, SHICP_TOKEN_SIZE, ENC_NA); offset += SHICP_TOKEN_SIZE; } else if (payload_length == SHICP_ERROR_SIZE) { proto_tree_add_item(shicp_tree, hf_shicp_error, tvb, offset, SHICP_ERROR_SIZE, ENC_ASCII | ENC_NA); break; } while (offset < payload_end) { keyvalue_key = tvb_get_guint8(tvb, offset); offset += 1; keyvalue_length = tvb_get_guint8(tvb, offset); offset += 1; switch (keyvalue_key) { case SHICP_CONFIG_IP_KEY: proto_tree_add_item(shicp_tree, hf_shicp_ip, tvb, offset, keyvalue_length, ENC_LITTLE_ENDIAN); break; case SHICP_CONFIG_SN_KEY: proto_tree_add_item(shicp_tree, hf_shicp_sn, tvb, offset, keyvalue_length, ENC_LITTLE_ENDIAN); break; case SHICP_CONFIG_GW_KEY: proto_tree_add_item(shicp_tree, hf_shicp_gw, tvb, offset, keyvalue_length, ENC_LITTLE_ENDIAN); break; case SHICP_CONFIG_DNS1_KEY: proto_tree_add_item(shicp_tree, hf_shicp_dns1, tvb, offset, keyvalue_length, ENC_LITTLE_ENDIAN); break; case SHICP_CONFIG_DNS2_KEY: proto_tree_add_item(shicp_tree, hf_shicp_dns2, tvb, offset, keyvalue_length, ENC_LITTLE_ENDIAN); break; case SHICP_CONFIG_DHCP_KEY: proto_tree_add_item(shicp_tree, hf_shicp_dhcp, tvb, offset, keyvalue_length, ENC_LITTLE_ENDIAN); break; case SHICP_CONFIG_HN_KEY: proto_tree_add_item(shicp_tree, hf_shicp_hn, tvb, offset, keyvalue_length, ENC_ASCII | ENC_NA); break; case SHICP_CONFIG_PSWD_KEY: proto_tree_add_item(shicp_tree, hf_shicp_pswd, tvb, offset, keyvalue_length, ENC_ASCII | ENC_NA); break; default: break; } offset += keyvalue_length; } break; case SHICP_WINK_MSG_TYPE: if (payload_length >= SHICP_TOKEN_SIZE + SHICP_WINK_TYPE_SIZE) { proto_tree_add_item(shicp_tree, hf_shicp_token, tvb, offset, SHICP_TOKEN_SIZE, ENC_NA); offset += SHICP_TOKEN_SIZE; proto_tree_add_item(shicp_tree, hf_shicp_wink_type, tvb, offset, SHICP_WINK_TYPE_SIZE, ENC_LITTLE_ENDIAN); } break; case SHICP_RESTART_MSG_TYPE: if (payload_length >= SHICP_TOKEN_SIZE + SHICP_RESTART_MODE_SIZE) { proto_tree_add_item(shicp_tree, hf_shicp_token, tvb, offset, SHICP_TOKEN_SIZE, ENC_NA); offset += SHICP_TOKEN_SIZE; proto_tree_add_item(shicp_tree, hf_shicp_restart_mode, tvb, offset, SHICP_RESTART_MODE_SIZE, ENC_LITTLE_ENDIAN); } break; default: break; } } wmem_strbuf_append(module_addr_strbuf, (flags_value & SHICP_MSG_CLASS_FLAG) ? src : dst); if (strcmp(wmem_strbuf_get_str(module_addr_strbuf), "ff:ff:ff:ff:ff:ff") != 0) { col_append_fstr(pinfo->cinfo, COL_INFO, ", Module MAC address: %s", wmem_strbuf_get_str(module_addr_strbuf)); } return tvb_captured_length(tvb); } static guint get_shicp_len(packet_info* pinfo _U_, tvbuff_t* tvb, int offset _U_, void* data _U_) { return (guint)tvb_reported_length(tvb); } static gboolean dissect_shicp_heur_udp(tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree, void* data) { return (udp_dissect_pdus(tvb, pinfo, tree, SHICP_FIXED_LEN, test_shicp, get_shicp_len, dissect_shicp, data) != 0); } void proto_register_shicp(void) { expert_module_t* expert_shicp; static hf_register_info hf[] = { { &hf_shicp_header, { "Header", "shicp.header", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_shicp_protocol_version, { "Protocol version", "shicp.protocolversion", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_shicp_dst, { "Destination", "shicp.dst", FT_ETHER, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_shicp_src, { "Source", "shicp.src", FT_ETHER, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_shicp_flags, { "Message flags", "shicp.flags", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_shicp_reserved_flag, { "Reserved", "shicp.flags.reserved", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0xFC, NULL, HFILL } }, { &hf_shicp_error_flag, { "Error", "shicp.flags.error", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, NULL, HFILL } }, { &hf_shicp_msgclass_flag, { "Class", "shicp.flags.msgclass", FT_BOOLEAN, 8, TFS(&tfs_response_request), 0x01, NULL, HFILL } }, { &hf_shicp_msgtype, { "Message type", "shicp.msgtype", FT_UINT8, BASE_HEX, VALS(message_types), 0x0, NULL, HFILL } }, { &hf_shicp_error, { "Error", "shicp.error", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_shicp_error_string, { "Error", "shicp.error.string", FT_STRINGZ, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_shicp_auth_req, { "Authentication required", "shicp.authreq", FT_BOOLEAN, 8, TFS(&tfs_true_false), 0x0, NULL, HFILL } }, { &hf_shicp_module_version, { "Module version", "shicp.moduleversion", FT_STRINGZ, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_shicp_module_desc, { "Module description", "shicp.moduledesc", FT_STRINGZ, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_shicp_supported_msg, { "Supported messages", "shicp.supportedmsg", FT_STRINGZ, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_shicp_ip, { "IP address", "shicp.ip", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_shicp_sn, { "Subnet mask", "shicp.sn", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_shicp_gw, { "Gateway address", "shicp.gw", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_shicp_dns1, { "Primary DNS address", "shicp.dns1", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_shicp_dns2, { "Secondary DNS address", "shicp.dns2", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_shicp_dhcp, { "DHCP", "shicp.dhcp", FT_BOOLEAN, 8, TFS(&tfs_enabled_disabled), 0x0, NULL, HFILL } }, { &hf_shicp_hn, { "Hostname", "shicp.hn", FT_STRINGZ, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_shicp_hn_max_len, { "Hostname max length", "shicp.hnmaxlen", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_shicp_pswd_max_len, { "Password max length", "shicp.pswdmaxlen", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_shicp_challenge, { "Challenge", "shicp.challenge", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_shicp_validity_period, { "Validity period (seconds)", "shicp.validityperiod", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_shicp_token, { "Authentication token", "shicp.token", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_shicp_pswd, { "Password", "shicp.pswd", FT_STRINGZ, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_shicp_wink_type, { "Wink type", "shicp.winktype", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_shicp_restart_mode, { "Restart mode", "shicp.restartmode", FT_UINT8, BASE_HEX, VALS(restart_mode_types), 0x0, NULL, HFILL } } }; static gint *ett[] = { &ett_shicp, &ett_shicp_flags }; /* Setup protocol expert items */ static ei_register_info ei[] = { { &ei_shicp_error, { "shicp.error", PI_RESPONSE_CODE, PI_NOTE, "Message contains an error code", EXPFILL } }, { &ei_shicp_malformed, { "shicp.malformed", PI_MALFORMED, PI_WARN, "Malformed message", EXPFILL } } }; proto_shicp = proto_register_protocol( "Secure Host IP Configuration Protocol", "SHICP", "shicp"); proto_register_field_array(proto_shicp, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); expert_shicp = expert_register_protocol(proto_shicp); expert_register_field_array(expert_shicp, ei, array_length(ei)); } void proto_reg_handoff_shicp(void) { heur_dissector_add("udp", dissect_shicp_heur_udp, "SHICP over UDP", "shicp_udp", proto_shicp, HEURISTIC_ENABLE); } /* * 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: */