1460 lines
67 KiB
C
1460 lines
67 KiB
C
/* packet-steam_ihs_discovery.c
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* Routines for Steam In-Home Streaming Discovery Protocol dissection
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* Copyright 2017, Jan Holthuis <jan.holthuis@ruhr-uni-bochum.de>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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/* Steam In-Home Streaming Discovery Protocol detects servers and negotiates
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* connections to stream video games over the networks. It is used by
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* Valve Software's Steam Client and Steam Link devices.
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*
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* Further Information:
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* https://codingrange.com/blog/steam-in-home-streaming-discovery-protocol
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* https://codingrange.com/blog/steam-in-home-streaming-control-protocol
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*/
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#include <config.h>
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#include <epan/packet.h> /* Should be first Wireshark include (other than config.h) */
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#include <epan/expert.h> /* Include only as needed */
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#include <epan/prefs.h> /* Include only as needed */
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/* Prototypes */
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/* (Required to prevent [-Wmissing-prototypes] warnings */
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void proto_reg_handoff_steam_ihs_discovery(void);
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void proto_register_steam_ihs_discovery(void);
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static int proto_steam_ihs_discovery = -1;
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static int hf_steam_ihs_discovery_signature = -1;
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static int hf_steam_ihs_discovery_header_length = -1;
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static int hf_steam_ihs_discovery_header_clientid = -1;
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static int hf_steam_ihs_discovery_header_msgtype = -1;
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static int hf_steam_ihs_discovery_header_instanceid = -1;
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static int hf_steam_ihs_discovery_body_length = -1;
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static int hf_steam_ihs_discovery_body_discovery_seqnum = -1;
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static int hf_steam_ihs_discovery_body_discovery_clientids = -1;
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static int hf_steam_ihs_discovery_body_status_version = -1;
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static int hf_steam_ihs_discovery_body_status_minversion = -1;
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static int hf_steam_ihs_discovery_body_status_connectport = -1;
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static int hf_steam_ihs_discovery_body_status_hostname = -1;
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static int hf_steam_ihs_discovery_body_status_enabledservices = -1;
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static int hf_steam_ihs_discovery_body_status_ostype = -1;
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static int hf_steam_ihs_discovery_body_status_is64bit = -1;
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static int hf_steam_ihs_discovery_body_status_euniverse = -1;
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static int hf_steam_ihs_discovery_body_status_timestamp = -1;
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static int hf_steam_ihs_discovery_body_status_screenlocked = -1;
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static int hf_steam_ihs_discovery_body_status_gamesrunning = -1;
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static int hf_steam_ihs_discovery_body_status_macaddresses = -1;
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static int hf_steam_ihs_discovery_body_status_user_steamid = -1;
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static int hf_steam_ihs_discovery_body_status_user_authkeyid = -1;
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static int hf_steam_ihs_discovery_body_authrequest_devicetoken = -1;
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static int hf_steam_ihs_discovery_body_authrequest_devicename = -1;
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static int hf_steam_ihs_discovery_body_authrequest_encryptedrequest = -1;
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static int hf_steam_ihs_discovery_body_authresponse_authresult = -1;
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static int hf_steam_ihs_discovery_body_streamingrequest_requestid = -1;
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static int hf_steam_ihs_discovery_body_streamingrequest_maximumresolutionx = -1;
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static int hf_steam_ihs_discovery_body_streamingrequest_maximumresolutiony = -1;
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static int hf_steam_ihs_discovery_body_streamingrequest_audiochannelcount = -1;
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static int hf_steam_ihs_discovery_body_streamingrequest_deviceversion = -1;
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static int hf_steam_ihs_discovery_body_streamingrequest_streamdesktop = -1;
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static int hf_steam_ihs_discovery_body_streamingrequest_devicetoken = -1;
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static int hf_steam_ihs_discovery_body_streamingrequest_pin = -1;
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static int hf_steam_ihs_discovery_body_streamingrequest_enablevideostreaming = -1;
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static int hf_steam_ihs_discovery_body_streamingrequest_enableaudiostreaming = -1;
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static int hf_steam_ihs_discovery_body_streamingrequest_enableinputstreaming = -1;
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static int hf_steam_ihs_discovery_body_streamingcancelrequest_requestid = -1;
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static int hf_steam_ihs_discovery_body_streamingresponse_requestid = -1;
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static int hf_steam_ihs_discovery_body_streamingresponse_result = -1;
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static int hf_steam_ihs_discovery_body_streamingresponse_port = -1;
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static int hf_steam_ihs_discovery_body_streamingresponse_encryptedsessionkey = -1;
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static int hf_steam_ihs_discovery_body_streamingresponse_virtualherelicenseddevicecount = -1;
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static int hf_steam_ihs_discovery_body_proofrequest_challenge = -1;
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static int hf_steam_ihs_discovery_body_proofresponse_response = -1;
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static int hf_steam_ihs_discovery_unknown_data = -1;
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static int hf_steam_ihs_discovery_unknown_number = -1;
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static const val64_string hf_steam_ihs_discovery_header_msgtype_strings[] = {
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{ 0, "Client Discovery" },
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{ 1, "Client Status" },
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{ 2, "Client Offline" },
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{ 3, "Device Authorization Request" },
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{ 4, "Device Authorization Response" },
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{ 5, "Device Streaming Request" },
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{ 6, "Device Streaming Response" },
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{ 7, "Device Proof Request" },
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{ 8, "Device Proof Response" },
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{ 9, "Device Authorization Cancel Request" },
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{ 10, "Device Streaming Cancel Request" },
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{ 0, NULL }
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};
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static const val64_string hf_steam_ihs_discovery_body_authresponse_authresult_strings[] = {
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{ 0, "Success" },
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{ 1, "Denied" },
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{ 2, "Not Logged In" },
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{ 3, "Offline" },
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{ 4, "Busy" },
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{ 5, "In Progress" },
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{ 6, "TimedOut" },
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{ 7, "Failed" },
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{ 8, "Canceled" },
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{ 0, NULL }
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};
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static const val64_string hf_steam_ihs_discovery_body_streamingresponse_result_strings[] = {
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{ 0, "Success" },
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{ 1, "Unauthorized" },
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{ 2, "Screen Locked" },
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{ 3, "Failed" },
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{ 4, "Busy" },
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{ 5, "In Progress" },
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{ 6, "Canceled" },
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{ 7, "Drivers Not Installed" },
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{ 8, "Disabled" },
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{ 9, "Broadcasting Active" },
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{ 10, "VR Active" },
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{ 11, "PIN Required" },
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{ 0, NULL }
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};
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static expert_field ei_steam_ihs_discovery_unknown_data = EI_INIT;
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static expert_field ei_steam_ihs_discovery_unknown_number = EI_INIT;
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static expert_field ei_steam_ihs_discovery_unknown_lengthdelimited = EI_INIT;
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static expert_field ei_steam_ihs_discovery_invalid_wiretype = EI_INIT;
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static expert_field ei_steam_ihs_discovery_invalid_length = EI_INIT;
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#define STEAM_IHS_DISCOVERY_UDP_PORT 27036
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static guint udp_port_pref = STEAM_IHS_DISCOVERY_UDP_PORT;
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/* Initialize the subtree pointers */
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static gint ett_steam_ihs_discovery = -1;
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static gint ett_steam_ihs_discovery_body_status_user = -1;
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#define STEAM_IHS_DISCOVERY_MIN_LENGTH 12
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#define STEAM_IHS_DISCOVERY_SIGNATURE_LENGTH 8
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#define STEAM_IHS_DISCOVERY_SIGNATURE_VALUE 0xFFFFFFFF214C5FA0
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/* Helper functions and structs for reading Protocol Buffers.
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*
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* Detailed information about protobuf message encoding can be found at:
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* https://developers.google.com/protocol-buffers/docs/encoding#structure
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*/
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#define PROTOBUF_WIRETYPE_VARINT 0
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#define PROTOBUF_WIRETYPE_64BIT 1
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#define PROTOBUF_WIRETYPE_LENGTHDELIMITED 2
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#define PROTOBUF_WIRETYPE_32BIT 5
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static const char * const protobuf_wiretype_names[] = {"VarInt", "64-bit", "Length-delimited", "Start group", "End group", "32-bit"};
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static const char protobuf_wiretype_name_unknown[] = "Unknown";
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static const char* protobuf_get_wiretype_name(guint8 wire_type) {
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if (wire_type <= 5) {
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return protobuf_wiretype_names[wire_type];
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}
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return protobuf_wiretype_name_unknown;
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}
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static gint64
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get_varint64(tvbuff_t *tvb, gint offset, gint bytes_left, gint* len)
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{
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guint8 b;
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gint64 result = 0;
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*len = 0;
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while ((*len) < bytes_left) {
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b = tvb_get_guint8(tvb, offset+(*len));
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result |= ((gint64)b & 0x7f) << ((*len)*7);
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(*len)++;
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if ((b & 0x80) == 0) {
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break;
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}
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}
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return result;
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}
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typedef struct {
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tvbuff_t *tvb;
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gint offset;
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gint bytes_left;
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} protobuf_desc_t;
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typedef struct {
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guint64 value;
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guint64 field_number;
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guint8 wire_type;
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} protobuf_tag_t;
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static void
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protobuf_seek_forward(protobuf_desc_t* pb, gint len)
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{
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pb->offset += len;
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pb->bytes_left -= len;
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}
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static gint
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protobuf_iter_next(protobuf_desc_t* pb, protobuf_tag_t* tag)
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{
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gint len;
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if (pb->bytes_left <= 0) {
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return 0;
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}
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tag->value = get_varint64(pb->tvb, pb->offset, pb->bytes_left, &len);
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tag->field_number = tag->value >> 3;
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tag->wire_type = tag->value & 0x7;
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protobuf_seek_forward(pb, len);
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return pb->bytes_left;
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}
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static gint
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protobuf_dissect_unknown_field(protobuf_desc_t *pb, protobuf_tag_t *tag, packet_info *pinfo, proto_tree *tree, proto_item** tiptr)
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{
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gint len;
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gint64 value;
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proto_item* ti;
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switch(tag->wire_type) {
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case PROTOBUF_WIRETYPE_VARINT:
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value = get_varint64(pb->tvb, pb->offset, pb->bytes_left, &len);
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ti = proto_tree_add_uint64(tree, hf_steam_ihs_discovery_unknown_number, pb->tvb,
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pb->offset, len, (guint64)value);
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expert_add_info_format(pinfo, ti, &ei_steam_ihs_discovery_unknown_number, "Unknown numeric protobuf field (wire type %d = %s)", tag->wire_type, protobuf_get_wiretype_name(tag->wire_type));
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break;
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case PROTOBUF_WIRETYPE_64BIT:
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len = 8;
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ti = proto_tree_add_item(tree, hf_steam_ihs_discovery_unknown_number, pb->tvb, pb->offset+len, len, ENC_LITTLE_ENDIAN);
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expert_add_info_format(pinfo, ti, &ei_steam_ihs_discovery_unknown_number, "Unknown numeric protobuf field (wire type %d = %s)", tag->wire_type, protobuf_get_wiretype_name(tag->wire_type));
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break;
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case PROTOBUF_WIRETYPE_LENGTHDELIMITED:
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value = get_varint64(pb->tvb, pb->offset, pb->bytes_left, &len);
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if((guint64)value > (guint64)(pb->bytes_left-len)) {
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ti = proto_tree_add_item(tree, hf_steam_ihs_discovery_unknown_data, pb->tvb, pb->offset+len, pb->bytes_left-len, ENC_NA);
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expert_add_info_format(pinfo, ti, &ei_steam_ihs_discovery_invalid_length, "Length-delimited field %"PRIu64" has length prefix %"PRIu64", but buffer is only %d bytes long.", tag->field_number, (guint64)value, (pb->bytes_left-len));
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len = pb->bytes_left;
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} else {
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ti = proto_tree_add_item(tree, hf_steam_ihs_discovery_unknown_data, pb->tvb, pb->offset+len, (gint)value, ENC_NA);
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len += (gint)value;
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}
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expert_add_info(pinfo, ti, &ei_steam_ihs_discovery_unknown_lengthdelimited);
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break;
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case PROTOBUF_WIRETYPE_32BIT:
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len = 4;
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ti = proto_tree_add_item(tree, hf_steam_ihs_discovery_unknown_number, pb->tvb, pb->offset+len, len, ENC_LITTLE_ENDIAN);
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expert_add_info_format(pinfo, ti, &ei_steam_ihs_discovery_unknown_number, "Unknown numeric protobuf field (wire type %d = %s)", tag->wire_type, protobuf_get_wiretype_name(tag->wire_type));
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break;
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default:
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len = pb->bytes_left;
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ti = proto_tree_add_item(tree, hf_steam_ihs_discovery_unknown_data, pb->tvb, pb->offset, len, ENC_NA);
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expert_add_info(pinfo, ti, &ei_steam_ihs_discovery_unknown_data);
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break;
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}
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if(tiptr != NULL) {
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*tiptr = ti;
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}
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return len;
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}
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static gint
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protobuf_verify_wiretype(protobuf_desc_t *pb, protobuf_tag_t *tag, packet_info *pinfo, proto_tree *tree, guint8 expected_wire_type)
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{
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gint len;
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gint64 len_prefix;
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proto_item *ti = NULL;
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if(expected_wire_type == tag->wire_type) {
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if(expected_wire_type == PROTOBUF_WIRETYPE_LENGTHDELIMITED) {
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len_prefix = get_varint64(pb->tvb, pb->offset, pb->bytes_left, &len);
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if(len_prefix < 0 || len_prefix > G_MAXINT) {
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ti = proto_tree_add_item(tree, hf_steam_ihs_discovery_unknown_data, pb->tvb, pb->offset+len, pb->bytes_left-len, ENC_NA);
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expert_add_info_format(pinfo, ti, &ei_steam_ihs_discovery_invalid_length, "Length-delimited field %"PRIu64" has length prefix %"PRId64" outside valid range (0 <= x <= G_MAXINT).", tag->field_number, len_prefix);
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return pb->bytes_left;
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} else if(((gint)len_prefix) > (pb->bytes_left-len)) {
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ti = proto_tree_add_item(tree, hf_steam_ihs_discovery_unknown_data, pb->tvb, pb->offset+len, pb->bytes_left-len, ENC_NA);
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expert_add_info_format(pinfo, ti, &ei_steam_ihs_discovery_invalid_length, "Length-delimited field %"PRIu64" has length prefix %"PRId64", but buffer is only %d bytes long.", tag->field_number, len_prefix, (pb->bytes_left-len));
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return pb->bytes_left;
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}
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}
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return 0;
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}
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len = protobuf_dissect_unknown_field(pb, tag, pinfo, tree, &ti);
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expert_add_info_format(pinfo, ti, &ei_steam_ihs_discovery_invalid_wiretype, "Expected wiretype %d (%s) for field %"PRIu64", but got %d (%s) instead.", expected_wire_type, protobuf_get_wiretype_name(expected_wire_type), tag->field_number, tag->wire_type, protobuf_get_wiretype_name(tag->wire_type));
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return len;
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}
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/* The actual protocol-specific stuff */
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#define STEAMDISCOVER_FN_HEADER_CLIENTID 1
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#define STEAMDISCOVER_FN_HEADER_MSGTYPE 2
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#define STEAMDISCOVER_FN_HEADER_INSTANCEID 3
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#define STEAMDISCOVER_FN_DISCOVERY_SEQNUM 1
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#define STEAMDISCOVER_FN_DISCOVERY_CLIENTIDS 2
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#define STEAMDISCOVER_FN_STATUS_VERSION 1
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#define STEAMDISCOVER_FN_STATUS_MINVERSION 2
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#define STEAMDISCOVER_FN_STATUS_CONNECTPORT 3
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#define STEAMDISCOVER_FN_STATUS_HOSTNAME 4
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#define STEAMDISCOVER_FN_STATUS_ENABLEDSERVICES 6
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#define STEAMDISCOVER_FN_STATUS_OSTYPE 7
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#define STEAMDISCOVER_FN_STATUS_IS64BIT 8
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#define STEAMDISCOVER_FN_STATUS_USERS 9
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#define STEAMDISCOVER_FN_STATUS_EUNIVERSE 11
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#define STEAMDISCOVER_FN_STATUS_TIMESTAMP 12
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#define STEAMDISCOVER_FN_STATUS_SCREENLOCKED 13
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#define STEAMDISCOVER_FN_STATUS_GAMESRUNNING 14
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#define STEAMDISCOVER_FN_STATUS_MACADDRESSES 15
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#define STEAMDISCOVER_FN_STATUS_USER_STEAMID 1
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#define STEAMDISCOVER_FN_STATUS_USER_AUTHKEYID 2
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#define STEAMDISCOVER_FN_AUTHREQUEST_DEVICETOKEN 1
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#define STEAMDISCOVER_FN_AUTHREQUEST_DEVICENAME 2
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#define STEAMDISCOVER_FN_AUTHREQUEST_ENCRYPTEDREQUEST 3
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#define STEAMDISCOVER_FN_AUTHRESPONSE_AUTHRESULT 1
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#define STEAMDISCOVER_FN_STREAMINGREQUEST_REQUESTID 1
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#define STEAMDISCOVER_FN_STREAMINGREQUEST_MAXIMUMRESOLUTIONX 2
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#define STEAMDISCOVER_FN_STREAMINGREQUEST_MAXIMUMRESOLUTIONY 3
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#define STEAMDISCOVER_FN_STREAMINGREQUEST_AUDIOCHANNELCOUNT 4
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#define STEAMDISCOVER_FN_STREAMINGREQUEST_DEVICEVERSION 5
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#define STEAMDISCOVER_FN_STREAMINGREQUEST_STREAMDESKTOP 6
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#define STEAMDISCOVER_FN_STREAMINGREQUEST_DEVICETOKEN 7
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#define STEAMDISCOVER_FN_STREAMINGREQUEST_PIN 8
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#define STEAMDISCOVER_FN_STREAMINGREQUEST_ENABLEVIDEOSTREAMING 9
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#define STEAMDISCOVER_FN_STREAMINGREQUEST_ENABLEAUDIOSTREAMING 10
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#define STEAMDISCOVER_FN_STREAMINGREQUEST_ENABLEINPUTSTREAMING 11
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#define STEAMDISCOVER_FN_STREAMINGCANCELREQUEST_REQUESTID 1
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#define STEAMDISCOVER_FN_STREAMINGRESPONSE_REQUESTID 1
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#define STEAMDISCOVER_FN_STREAMINGRESPONSE_RESULT 2
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#define STEAMDISCOVER_FN_STREAMINGRESPONSE_PORT 3
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#define STEAMDISCOVER_FN_STREAMINGRESPONSE_ENCRYPTEDSESSIONKEY 4
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#define STEAMDISCOVER_FN_STREAMINGRESPONSE_VIRTUALHERELICENSEDDEVICECOUNT 5
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#define STEAMDISCOVER_FN_PROOFREQUEST_CHALLENGE 1
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#define STEAMDISCOVER_FN_PROOFRESPONSE_RESPONSE 1
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#define STEAMDISCOVER_MSGTYPE_CLIENTBROADCASTMSGDISCOVERY 0
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#define STEAMDISCOVER_MSGTYPE_CLIENTBROADCASTMSGSTATUS 1
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#define STEAMDISCOVER_MSGTYPE_CLIENTBROADCASTMSGOFFLINE 2
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#define STEAMDISCOVER_MSGTYPE_DEVICEAUTHORIZATIONREQUEST 3
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#define STEAMDISCOVER_MSGTYPE_DEVICEAUTHORIZATIONRESPONSE 4
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#define STEAMDISCOVER_MSGTYPE_DEVICESTREAMINGREQUEST 5
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#define STEAMDISCOVER_MSGTYPE_DEVICESTREAMINGRESPONSE 6
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#define STEAMDISCOVER_MSGTYPE_DEVICEPROOFREQUEST 7
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#define STEAMDISCOVER_MSGTYPE_DEVICEPROOFRESPONSE 8
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#define STEAMDISCOVER_MSGTYPE_DEVICEAUTHORIZATIONCANCELREQUEST 9
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#define STEAMDISCOVER_MSGTYPE_DEVICESTREAMINGCANCELREQUEST 10
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#define STEAMDISCOVER_MSGTYPES_MAX 10
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#define STEAMDISCOVER_ENSURE_WIRETYPE(X) if((len = protobuf_verify_wiretype(&pb, &tag, pinfo, tree, X))) break;
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|
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/* Dissect the header section of a packet. The header is a
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* CMsgRemoteClientBroadcastHeader protobuf message.
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*
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* enum ERemoteClientBroadcastMsg {
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* k_ERemoteClientBroadcastMsgDiscovery = 0;
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* k_ERemoteClientBroadcastMsgStatus = 1;
|
|
* k_ERemoteClientBroadcastMsgOffline = 2;
|
|
* k_ERemoteDeviceAuthorizationRequest = 3;
|
|
* k_ERemoteDeviceAuthorizationResponse = 4;
|
|
* k_ERemoteDeviceStreamingRequest = 5;
|
|
* k_ERemoteDeviceStreamingResponse = 6;
|
|
* k_ERemoteDeviceProofRequest = 7;
|
|
* k_ERemoteDeviceProofResponse = 8;
|
|
* k_ERemoteDeviceAuthorizationCancelRequest = 9;
|
|
* k_ERemoteDeviceStreamingCancelRequest = 10;
|
|
* }
|
|
*
|
|
* message CMsgRemoteClientBroadcastHeader {
|
|
* optional uint64 client_id = 1;
|
|
* optional ERemoteClientBroadcastMsg msg_type = 2;
|
|
* optional uint64 instance_id = 3;
|
|
* }
|
|
*/
|
|
static gint64
|
|
steamdiscover_dissect_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
gint offset, gint bytes_left)
|
|
{
|
|
gint len;
|
|
gint64 value;
|
|
gint64 msg_type = -1;
|
|
protobuf_desc_t pb = { tvb, offset, bytes_left };
|
|
protobuf_tag_t tag = { 0, 0, 0 };
|
|
while (protobuf_iter_next(&pb, &tag)) {
|
|
switch(tag.field_number) {
|
|
case STEAMDISCOVER_FN_HEADER_CLIENTID:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_uint64(tree, hf_steam_ihs_discovery_header_clientid, pb.tvb,
|
|
pb.offset, len, (guint64)value);
|
|
break;
|
|
case STEAMDISCOVER_FN_HEADER_MSGTYPE:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
msg_type = value;
|
|
proto_tree_add_uint64(tree, hf_steam_ihs_discovery_header_msgtype, pb.tvb,
|
|
pb.offset, len, (guint64)value);
|
|
break;
|
|
case STEAMDISCOVER_FN_HEADER_INSTANCEID:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_uint64(tree, hf_steam_ihs_discovery_header_instanceid, pb.tvb,
|
|
pb.offset, len, (guint64)value);
|
|
break;
|
|
default:
|
|
len = protobuf_dissect_unknown_field(&pb, &tag, pinfo, tree, NULL);
|
|
break;
|
|
}
|
|
protobuf_seek_forward(&pb, len);
|
|
}
|
|
return msg_type;
|
|
}
|
|
|
|
/* Dissect a CMsgRemoteClientBroadcastDiscovery protobuf message body.
|
|
*
|
|
* message CMsgRemoteClientBroadcastDiscovery {
|
|
* optional uint32 seq_num = 1;
|
|
* repeated uint64 client_ids = 2;
|
|
* }
|
|
*/
|
|
static void
|
|
steamdiscover_dissect_body_discovery(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
gint offset, gint bytes_left)
|
|
{
|
|
gint len;
|
|
gint64 value;
|
|
protobuf_desc_t pb = { tvb, offset, bytes_left };
|
|
protobuf_tag_t tag = { 0, 0, 0 };
|
|
while (protobuf_iter_next(&pb, &tag)) {
|
|
switch(tag.field_number) {
|
|
case STEAMDISCOVER_FN_DISCOVERY_SEQNUM:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_uint(tree, hf_steam_ihs_discovery_body_discovery_seqnum, pb.tvb,
|
|
pb.offset, len, (guint32)value);
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " Seq=%"PRIu32, (guint32)value);
|
|
break;
|
|
case STEAMDISCOVER_FN_DISCOVERY_CLIENTIDS:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_uint64(tree, hf_steam_ihs_discovery_body_discovery_clientids, pb.tvb,
|
|
pb.offset, len, value);
|
|
break;
|
|
default:
|
|
len = protobuf_dissect_unknown_field(&pb, &tag, pinfo, tree, NULL);
|
|
break;
|
|
}
|
|
protobuf_seek_forward(&pb, len);
|
|
}
|
|
}
|
|
|
|
/* Dissect a CMsgRemoteClientBroadcastStatus protobuf message body.
|
|
*
|
|
* message CMsgRemoteClientBroadcastStatus {
|
|
* message User {
|
|
* optional fixed64 steamid = 1;
|
|
* optional uint32 auth_key_id = 2;
|
|
* }
|
|
* optional int32 version = 1;
|
|
* optional int32 min_version = 2;
|
|
* optional uint32 connect_port = 3;
|
|
* optional string hostname = 4;
|
|
* optional uint32 enabled_services = 6;
|
|
* optional int32 ostype = 7 [default = 0];
|
|
* optional bool is64bit = 8 [default = false];
|
|
* repeated CMsgRemoteClientBroadcastStatus.User users = 9;
|
|
* optional int32 euniverse = 11;
|
|
* optional uint32 timestamp = 12;
|
|
* optional bool screen_locked = 13;
|
|
* optional bool games_running = 14;
|
|
* repeated string mac_addresses = 15;
|
|
* optional uint32 download_lan_peer_group = 16;
|
|
* optional bool broadcasting_active = 17;
|
|
* optional bool vr_active = 18;
|
|
* }
|
|
*/
|
|
static void
|
|
steamdiscover_dissect_body_status(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
gint offset, gint bytes_left)
|
|
{
|
|
gint64 value;
|
|
gint len;
|
|
gint len2;
|
|
protobuf_desc_t pb = { tvb, offset, bytes_left };
|
|
protobuf_desc_t pb2 = { tvb, 0, 0 };
|
|
protobuf_tag_t tag = { 0, 0, 0 };
|
|
guint8 *hostname;
|
|
nstime_t timestamp;
|
|
proto_tree *user_tree;
|
|
proto_item *user_it;
|
|
while (protobuf_iter_next(&pb, &tag)) {
|
|
switch(tag.field_number) {
|
|
case STEAMDISCOVER_FN_STATUS_VERSION:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_int(tree, hf_steam_ihs_discovery_body_status_version, pb.tvb,
|
|
pb.offset, len, (gint32)value);
|
|
break;
|
|
case STEAMDISCOVER_FN_STATUS_MINVERSION:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_int(tree, hf_steam_ihs_discovery_body_status_minversion, pb.tvb,
|
|
pb.offset, len, (gint32)value);
|
|
break;
|
|
case STEAMDISCOVER_FN_STATUS_CONNECTPORT:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_uint(tree, hf_steam_ihs_discovery_body_status_connectport, pb.tvb,
|
|
pb.offset, len, (guint32)value);
|
|
break;
|
|
case STEAMDISCOVER_FN_STATUS_HOSTNAME:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_LENGTHDELIMITED);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_item(tree, hf_steam_ihs_discovery_body_status_hostname, pb.tvb,
|
|
pb.offset+len, (gint)value, ENC_UTF_8);
|
|
hostname = tvb_get_string_enc(pinfo->pool, pb.tvb, pb.offset+len, (gint)value, ENC_UTF_8);
|
|
if(hostname && strlen(hostname)) {
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "%s from %s", hf_steam_ihs_discovery_header_msgtype_strings[STEAMDISCOVER_MSGTYPE_CLIENTBROADCASTMSGSTATUS].strptr, hostname);
|
|
}
|
|
len += (gint)value;
|
|
break;
|
|
case STEAMDISCOVER_FN_STATUS_ENABLEDSERVICES:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_uint(tree, hf_steam_ihs_discovery_body_status_enabledservices, pb.tvb,
|
|
pb.offset, len, (guint32)value);
|
|
break;
|
|
case STEAMDISCOVER_FN_STATUS_OSTYPE:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_int(tree, hf_steam_ihs_discovery_body_status_ostype, pb.tvb,
|
|
pb.offset, len, (gint32)value);
|
|
break;
|
|
case STEAMDISCOVER_FN_STATUS_IS64BIT:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_boolean(tree, hf_steam_ihs_discovery_body_status_is64bit, pb.tvb,
|
|
pb.offset, len, (gint32)value);
|
|
break;
|
|
case STEAMDISCOVER_FN_STATUS_USERS:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_LENGTHDELIMITED);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
pb2.offset = pb.offset+len;
|
|
pb2.bytes_left = (gint)value;
|
|
len += (gint)value;
|
|
user_tree = proto_tree_add_subtree(tree, pb.tvb, pb.offset, len, ett_steam_ihs_discovery_body_status_user, &user_it, "User");
|
|
while (protobuf_iter_next(&pb2, &tag)) {
|
|
switch(tag.field_number) {
|
|
case STEAMDISCOVER_FN_STATUS_USER_STEAMID:
|
|
if((len2 = protobuf_verify_wiretype(&pb2, &tag, pinfo, user_tree, PROTOBUF_WIRETYPE_64BIT))) break;
|
|
len2 = 8;
|
|
value = tvb_get_letoh64(pb2.tvb, pb2.offset);
|
|
proto_tree_add_uint64(user_tree, hf_steam_ihs_discovery_body_status_user_steamid, pb2.tvb,
|
|
pb2.offset, len2, (guint64)value);
|
|
proto_item_append_text(user_it, ", Steam ID: %"PRIu64, (guint64)value);
|
|
break;
|
|
case STEAMDISCOVER_FN_STATUS_USER_AUTHKEYID:
|
|
if((len2 = protobuf_verify_wiretype(&pb2, &tag, pinfo, user_tree, PROTOBUF_WIRETYPE_VARINT))) break;
|
|
value = get_varint64(pb2.tvb, pb2.offset, pb2.bytes_left, &len2);
|
|
proto_tree_add_uint(user_tree, hf_steam_ihs_discovery_body_status_user_authkeyid, pb2.tvb,
|
|
pb2.offset, len2, (guint32)value);
|
|
proto_item_append_text(user_it, ", Auth Key ID: %"PRIu32, (guint32)value);
|
|
break;
|
|
default:
|
|
len2 = protobuf_dissect_unknown_field(&pb2, &tag, pinfo, tree, NULL);
|
|
break;
|
|
}
|
|
protobuf_seek_forward(&pb2, len2);
|
|
}
|
|
break;
|
|
case STEAMDISCOVER_FN_STATUS_EUNIVERSE:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_int(tree, hf_steam_ihs_discovery_body_status_euniverse, pb.tvb,
|
|
pb.offset, len, (gint32)value);
|
|
break;
|
|
case STEAMDISCOVER_FN_STATUS_TIMESTAMP:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
timestamp.secs = (time_t)get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
timestamp.nsecs = 0;
|
|
proto_tree_add_time(tree, hf_steam_ihs_discovery_body_status_timestamp, pb.tvb,
|
|
pb.offset, len, ×tamp);
|
|
break;
|
|
case STEAMDISCOVER_FN_STATUS_SCREENLOCKED:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_boolean(tree, hf_steam_ihs_discovery_body_status_screenlocked, pb.tvb,
|
|
pb.offset, len, (gint32)value);
|
|
break;
|
|
case STEAMDISCOVER_FN_STATUS_GAMESRUNNING:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_boolean(tree, hf_steam_ihs_discovery_body_status_gamesrunning, pb.tvb,
|
|
pb.offset, len, (gint32)value);
|
|
break;
|
|
case STEAMDISCOVER_FN_STATUS_MACADDRESSES:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_LENGTHDELIMITED);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_item(tree, hf_steam_ihs_discovery_body_status_macaddresses, pb.tvb,
|
|
pb.offset+len, (gint)value, ENC_UTF_8);
|
|
len += (gint)value;
|
|
break;
|
|
default:
|
|
len = protobuf_dissect_unknown_field(&pb, &tag, pinfo, tree, NULL);
|
|
break;
|
|
}
|
|
protobuf_seek_forward(&pb, len);
|
|
}
|
|
}
|
|
|
|
/* Dissect a CMsgRemoteDeviceAuthorizationRequest protobuf message body.
|
|
*
|
|
* message CMsgRemoteDeviceAuthorizationRequest {
|
|
* message CKeyEscrow_Ticket {
|
|
* optional bytes password = 1;
|
|
* optional uint64 identifier = 2;
|
|
* optional bytes payload = 3;
|
|
* optional uint32 timestamp = 4;
|
|
* optional CMsgRemoteDeviceAuthorizationRequest.EKeyEscrowUsage usage = 5;
|
|
* optional string device_name = 6;
|
|
* optional string device_model = 7;
|
|
* optional string device_serial = 8;
|
|
* optional uint32 device_provisioning_id = 9;
|
|
* }
|
|
* enum EKeyEscrowUsage {
|
|
* k_EKeyEscrowUsageStreamingDevice = 0;
|
|
* }
|
|
* required bytes device_token = 1;
|
|
* optional string device_name = 2;
|
|
* required bytes encrypted_request = 3;
|
|
* }
|
|
*/
|
|
static void
|
|
steamdiscover_dissect_body_authrequest(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
gint offset, gint bytes_left)
|
|
{
|
|
guint len;
|
|
gint64 value;
|
|
protobuf_desc_t pb = { tvb, offset, bytes_left };
|
|
protobuf_tag_t tag = { 0, 0, 0 };
|
|
guint8* devicename;
|
|
while (protobuf_iter_next(&pb, &tag)) {
|
|
switch(tag.field_number) {
|
|
case STEAMDISCOVER_FN_AUTHREQUEST_DEVICETOKEN:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_LENGTHDELIMITED);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_item(tree, hf_steam_ihs_discovery_body_authrequest_devicetoken, pb.tvb,
|
|
pb.offset+len, (gint)value, ENC_NA);
|
|
len += (gint)value;
|
|
break;
|
|
case STEAMDISCOVER_FN_AUTHREQUEST_DEVICENAME:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_LENGTHDELIMITED);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_item(tree, hf_steam_ihs_discovery_body_authrequest_devicename, pb.tvb,
|
|
pb.offset+len, (gint)value, ENC_UTF_8);
|
|
devicename = tvb_get_string_enc(pinfo->pool, pb.tvb, pb.offset+len, (gint)value, ENC_UTF_8);
|
|
if (devicename && strlen(devicename)) {
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " from %s", devicename);
|
|
}
|
|
len += (gint)value;
|
|
break;
|
|
case STEAMDISCOVER_FN_AUTHREQUEST_ENCRYPTEDREQUEST:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_LENGTHDELIMITED);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_item(tree, hf_steam_ihs_discovery_body_authrequest_encryptedrequest, pb.tvb,
|
|
pb.offset+len, (gint)value, ENC_NA);
|
|
len += (gint)value;
|
|
break;
|
|
default:
|
|
len = protobuf_dissect_unknown_field(&pb, &tag, pinfo, tree, NULL);
|
|
break;
|
|
}
|
|
protobuf_seek_forward(&pb, len);
|
|
}
|
|
}
|
|
|
|
/* Dissect a CMsgRemoteDeviceAuthorizationResponse protobuf message body.
|
|
*
|
|
* message CMsgRemoteDeviceAuthorizationResponse {
|
|
* required ERemoteDeviceAuthorizationResult result = 1;
|
|
* }
|
|
*/
|
|
static void
|
|
steamdiscover_dissect_body_authresponse(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
gint offset, gint bytes_left)
|
|
{
|
|
gint len;
|
|
gint64 value;
|
|
protobuf_desc_t pb = { tvb, offset, bytes_left };
|
|
protobuf_tag_t tag = { 0, 0, 0 };
|
|
while (protobuf_iter_next(&pb, &tag)) {
|
|
switch(tag.field_number) {
|
|
case STEAMDISCOVER_FN_AUTHRESPONSE_AUTHRESULT:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_uint64(tree, hf_steam_ihs_discovery_body_authresponse_authresult, pb.tvb,
|
|
pb.offset, len, (guint64)value);
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "%s Result=%"PRIu64"(%s)", hf_steam_ihs_discovery_header_msgtype_strings[STEAMDISCOVER_MSGTYPE_DEVICEAUTHORIZATIONRESPONSE].strptr,
|
|
(guint64)value, val64_to_str_const((guint64)value, hf_steam_ihs_discovery_body_authresponse_authresult_strings, "Unknown"));
|
|
break;
|
|
default:
|
|
len = protobuf_dissect_unknown_field(&pb, &tag, pinfo, tree, NULL);
|
|
break;
|
|
}
|
|
protobuf_seek_forward(&pb, len);
|
|
}
|
|
}
|
|
|
|
/* Dissect a CMsgRemoteDeviceStreamingRequest protobuf message body.
|
|
*
|
|
* message CMsgRemoteDeviceStreamingRequest {
|
|
* required uint32 request_id = 1;
|
|
* optional int32 maximum_resolution_x = 2;
|
|
* optional int32 maximum_resolution_y = 3;
|
|
* optional int32 audio_channel_count = 4 [default = 2];
|
|
* optional string device_version = 5;
|
|
* optional bool stream_desktop = 6;
|
|
* optional bytes device_token = 7;
|
|
* optional bytes pin = 8;
|
|
* optional bool enable_video_streaming = 9 [default = true];
|
|
* optional bool enable_audio_streaming = 10 [default = true];
|
|
* optional bool enable_input_streaming = 11 [default = true];
|
|
* }
|
|
*/
|
|
static void
|
|
steamdiscover_dissect_body_streamingrequest(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
gint offset, gint bytes_left)
|
|
{
|
|
gint len;
|
|
gint64 value;
|
|
protobuf_desc_t pb = { tvb, offset, bytes_left };
|
|
protobuf_tag_t tag = { 0, 0, 0 };
|
|
while (protobuf_iter_next(&pb, &tag)) {
|
|
switch(tag.field_number) {
|
|
case STEAMDISCOVER_FN_STREAMINGREQUEST_REQUESTID:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_uint(tree, hf_steam_ihs_discovery_body_streamingrequest_requestid, pb.tvb,
|
|
pb.offset, len, (guint32)value);
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "%s ID=%08x", hf_steam_ihs_discovery_header_msgtype_strings[STEAMDISCOVER_MSGTYPE_DEVICESTREAMINGREQUEST].strptr, (guint32)value);
|
|
break;
|
|
case STEAMDISCOVER_FN_STREAMINGREQUEST_MAXIMUMRESOLUTIONX:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_int(tree, hf_steam_ihs_discovery_body_streamingrequest_maximumresolutionx, pb.tvb,
|
|
pb.offset, len, (gint32)value);
|
|
break;
|
|
case STEAMDISCOVER_FN_STREAMINGREQUEST_MAXIMUMRESOLUTIONY:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_int(tree, hf_steam_ihs_discovery_body_streamingrequest_maximumresolutiony, pb.tvb,
|
|
pb.offset, len, (gint32)value);
|
|
break;
|
|
case STEAMDISCOVER_FN_STREAMINGREQUEST_AUDIOCHANNELCOUNT:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_int(tree, hf_steam_ihs_discovery_body_streamingrequest_audiochannelcount, pb.tvb,
|
|
pb.offset, len, (gint32)value);
|
|
break;
|
|
case STEAMDISCOVER_FN_STREAMINGREQUEST_DEVICEVERSION:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_LENGTHDELIMITED);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_item(tree, hf_steam_ihs_discovery_body_streamingrequest_deviceversion, pb.tvb, pb.offset+len, (gint)value, ENC_UTF_8);
|
|
len += (gint)value;
|
|
break;
|
|
case STEAMDISCOVER_FN_STREAMINGREQUEST_STREAMDESKTOP:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_boolean(tree, hf_steam_ihs_discovery_body_streamingrequest_streamdesktop, pb.tvb,
|
|
pb.offset, len, (gint32)value);
|
|
break;
|
|
case STEAMDISCOVER_FN_STREAMINGREQUEST_DEVICETOKEN:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_LENGTHDELIMITED);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_item(tree, hf_steam_ihs_discovery_body_streamingrequest_devicetoken, pb.tvb, pb.offset+len, (gint)value, ENC_NA);
|
|
len += (gint)value;
|
|
break;
|
|
case STEAMDISCOVER_FN_STREAMINGREQUEST_PIN:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_LENGTHDELIMITED);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_item(tree, hf_steam_ihs_discovery_body_streamingrequest_pin, pb.tvb, pb.offset+len, (gint)value, ENC_NA);
|
|
len += (gint)value;
|
|
break;
|
|
case STEAMDISCOVER_FN_STREAMINGREQUEST_ENABLEVIDEOSTREAMING:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_boolean(tree, hf_steam_ihs_discovery_body_streamingrequest_enablevideostreaming, pb.tvb,
|
|
pb.offset, len, (gint32)value);
|
|
break;
|
|
case STEAMDISCOVER_FN_STREAMINGREQUEST_ENABLEAUDIOSTREAMING:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_boolean(tree, hf_steam_ihs_discovery_body_streamingrequest_enableaudiostreaming, pb.tvb,
|
|
pb.offset, len, (gint32)value);
|
|
break;
|
|
case STEAMDISCOVER_FN_STREAMINGREQUEST_ENABLEINPUTSTREAMING:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_boolean(tree, hf_steam_ihs_discovery_body_streamingrequest_enableinputstreaming, pb.tvb,
|
|
pb.offset, len, (gint32)value);
|
|
break;
|
|
default:
|
|
len = protobuf_dissect_unknown_field(&pb, &tag, pinfo, tree, NULL);
|
|
break;
|
|
}
|
|
protobuf_seek_forward(&pb, len);
|
|
}
|
|
}
|
|
|
|
/* Dissect a CMsgRemoteDeviceStreamingCancelRequest protobuf message body.
|
|
*
|
|
* message CMsgRemoteDeviceStreamingCancelRequest {
|
|
* required uint32 request_id = 1;
|
|
* }
|
|
*/
|
|
static void
|
|
steamdiscover_dissect_body_streamingcancelrequest(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
gint offset, gint bytes_left)
|
|
{
|
|
guint len;
|
|
gint64 value;
|
|
protobuf_desc_t pb = { tvb, offset, bytes_left };
|
|
protobuf_tag_t tag = { 0, 0, 0 };
|
|
while (protobuf_iter_next(&pb, &tag)) {
|
|
switch(tag.field_number) {
|
|
case STEAMDISCOVER_FN_STREAMINGCANCELREQUEST_REQUESTID:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_uint(tree, hf_steam_ihs_discovery_body_streamingcancelrequest_requestid, pb.tvb,
|
|
pb.offset, len, (guint32)value);
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "%s, ID=%08x", hf_steam_ihs_discovery_header_msgtype_strings[STEAMDISCOVER_MSGTYPE_DEVICESTREAMINGCANCELREQUEST].strptr, (guint32)value);
|
|
break;
|
|
default:
|
|
len = protobuf_dissect_unknown_field(&pb, &tag, pinfo, tree, NULL);
|
|
break;
|
|
}
|
|
protobuf_seek_forward(&pb, len);
|
|
}
|
|
}
|
|
|
|
/* Dissect a CMsgRemoteDeviceStreamingResponse protobuf message body.
|
|
*
|
|
* enum ERemoteDeviceStreamingResult {
|
|
* k_ERemoteDeviceStreamingSuccess = 0;
|
|
* k_ERemoteDeviceStreamingUnauthorized = 1;
|
|
* k_ERemoteDeviceStreamingScreenLocked = 2;
|
|
* k_ERemoteDeviceStreamingFailed = 3;
|
|
* k_ERemoteDeviceStreamingBusy = 4;
|
|
* k_ERemoteDeviceStreamingInProgress = 5;
|
|
* k_ERemoteDeviceStreamingCanceled = 6;
|
|
* k_ERemoteDeviceStreamingDriversNotInstalled = 7;
|
|
* k_ERemoteDeviceStreamingDisabled = 8;
|
|
* k_ERemoteDeviceStreamingBroadcastingActive = 9;
|
|
* k_ERemoteDeviceStreamingVRActive = 10;
|
|
* k_ERemoteDeviceStreamingPINRequired = 11;
|
|
* }
|
|
*
|
|
* message CMsgRemoteDeviceStreamingResponse {
|
|
* required uint32 request_id = 1;
|
|
* required ERemoteDeviceStreamingResult result = 2;
|
|
* optional uint32 port = 3;
|
|
* optional bytes encrypted_session_key = 4;
|
|
* optional int32 virtualhere_licensed_device_count_OBSOLETE = 5;
|
|
* }
|
|
*/
|
|
static void
|
|
steamdiscover_dissect_body_streamingresponse(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
gint offset, gint bytes_left)
|
|
{
|
|
guint len;
|
|
gint64 value;
|
|
protobuf_desc_t pb = { tvb, offset, bytes_left };
|
|
protobuf_tag_t tag = { 0, 0, 0 };
|
|
while (protobuf_iter_next(&pb, &tag)) {
|
|
switch(tag.field_number) {
|
|
case STEAMDISCOVER_FN_STREAMINGRESPONSE_REQUESTID:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_uint(tree, hf_steam_ihs_discovery_body_streamingresponse_requestid, pb.tvb,
|
|
pb.offset, len, (guint32)value);
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " ID=%08x", (guint32)value);
|
|
break;
|
|
case STEAMDISCOVER_FN_STREAMINGRESPONSE_RESULT:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_uint64(tree, hf_steam_ihs_discovery_body_streamingresponse_result, pb.tvb,
|
|
pb.offset, len, (guint64)value);
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " Result=%"PRIu64"(%s)", (guint64)value, val64_to_str_const((guint64)value, hf_steam_ihs_discovery_body_streamingresponse_result_strings, "Unknown"));
|
|
break;
|
|
case STEAMDISCOVER_FN_STREAMINGRESPONSE_PORT:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_uint(tree, hf_steam_ihs_discovery_body_streamingresponse_port, pb.tvb,
|
|
pb.offset, len, (guint32)value);
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " Port=%"PRIu32, (guint32)value);
|
|
break;
|
|
case STEAMDISCOVER_FN_STREAMINGRESPONSE_ENCRYPTEDSESSIONKEY:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_LENGTHDELIMITED);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_item(tree, hf_steam_ihs_discovery_body_streamingresponse_encryptedsessionkey, pb.tvb, pb.offset+len, (gint)value, ENC_NA);
|
|
len += (gint)value;
|
|
break;
|
|
case STEAMDISCOVER_FN_STREAMINGRESPONSE_VIRTUALHERELICENSEDDEVICECOUNT:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_VARINT);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_int(tree, hf_steam_ihs_discovery_body_streamingresponse_virtualherelicenseddevicecount, pb.tvb,
|
|
pb.offset, len, (gint32)value);
|
|
break;
|
|
default:
|
|
len = protobuf_dissect_unknown_field(&pb, &tag, pinfo, tree, NULL);
|
|
break;
|
|
}
|
|
protobuf_seek_forward(&pb, len);
|
|
}
|
|
}
|
|
|
|
/* Dissect a CMsgRemoteDeviceProofRequest protobuf message body.
|
|
*
|
|
* message CMsgRemoteDeviceProofRequest {
|
|
* required bytes challenge = 1;
|
|
* }
|
|
*/
|
|
static void
|
|
steamdiscover_dissect_body_proofrequest(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
gint offset, gint bytes_left)
|
|
{
|
|
gint len;
|
|
gint64 value;
|
|
protobuf_desc_t pb = { tvb, offset, bytes_left };
|
|
protobuf_tag_t tag = { 0, 0, 0 };
|
|
while (protobuf_iter_next(&pb, &tag)) {
|
|
switch(tag.field_number) {
|
|
case STEAMDISCOVER_FN_PROOFREQUEST_CHALLENGE:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_LENGTHDELIMITED);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_item(tree, hf_steam_ihs_discovery_body_proofrequest_challenge, pb.tvb, pb.offset+len, (gint)value, ENC_NA);
|
|
len += (gint)value;
|
|
break;
|
|
default:
|
|
len = protobuf_dissect_unknown_field(&pb, &tag, pinfo, tree, NULL);
|
|
break;
|
|
}
|
|
protobuf_seek_forward(&pb, len);
|
|
}
|
|
}
|
|
|
|
/* Dissect a CMsgRemoteDeviceProofResponse protobuf message body.
|
|
*
|
|
* message CMsgRemoteDeviceProofResponse {
|
|
* required bytes response = 1;
|
|
* }
|
|
*/
|
|
static void
|
|
steamdiscover_dissect_body_proofresponse(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
gint offset, gint bytes_left)
|
|
{
|
|
gint len;
|
|
gint64 value;
|
|
protobuf_desc_t pb = { tvb, offset, bytes_left };
|
|
protobuf_tag_t tag = { 0, 0, 0 };
|
|
while (protobuf_iter_next(&pb, &tag)) {
|
|
switch(tag.field_number) {
|
|
case STEAMDISCOVER_FN_PROOFRESPONSE_RESPONSE:
|
|
STEAMDISCOVER_ENSURE_WIRETYPE(PROTOBUF_WIRETYPE_LENGTHDELIMITED);
|
|
value = get_varint64(pb.tvb, pb.offset, pb.bytes_left, &len);
|
|
proto_tree_add_item(tree, hf_steam_ihs_discovery_body_proofresponse_response, pb.tvb, pb.offset+len, (gint)value, ENC_NA);
|
|
len += (gint)value;
|
|
break;
|
|
default:
|
|
len = protobuf_dissect_unknown_field(&pb, &tag, pinfo, tree, NULL);
|
|
break;
|
|
}
|
|
protobuf_seek_forward(&pb, len);
|
|
}
|
|
}
|
|
|
|
static void
|
|
steamdiscover_dissect_body_unknown(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
gint offset, gint bytes_left)
|
|
{
|
|
gint len;
|
|
protobuf_desc_t pb = { tvb, offset, bytes_left };
|
|
protobuf_tag_t tag = { 0, 0, 0 };
|
|
while (protobuf_iter_next(&pb, &tag)) {
|
|
len = protobuf_dissect_unknown_field(&pb, &tag, pinfo, tree, NULL);
|
|
protobuf_seek_forward(&pb, len);
|
|
}
|
|
}
|
|
|
|
/* Code to actually dissect the packets */
|
|
static int
|
|
dissect_steam_ihs_discovery(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
void *data _U_)
|
|
{
|
|
/* Set up structures needed to add the protocol subtree and manage it */
|
|
proto_item *ti;
|
|
proto_tree *steam_ihs_discovery_tree;
|
|
/* Other misc. local variables. */
|
|
gint offset = 0;
|
|
gint header_length = 0;
|
|
gint body_length = 0;
|
|
gint total_length = 0;
|
|
gint64 msg_type;
|
|
|
|
/* Check that the packet is long enough for it to belong to us. */
|
|
if (tvb_reported_length(tvb) < STEAM_IHS_DISCOVERY_MIN_LENGTH)
|
|
return 0;
|
|
|
|
if (tvb_captured_length(tvb) < STEAM_IHS_DISCOVERY_MIN_LENGTH)
|
|
return 0;
|
|
|
|
/* Check if packet starts with the 8 byte signature value. */
|
|
if (tvb_get_ntoh64(tvb, 0) != STEAM_IHS_DISCOVERY_SIGNATURE_VALUE)
|
|
return 0;
|
|
|
|
/* Parse header and body lengths.
|
|
*
|
|
* A packet looks like this:
|
|
* 1. Signature Value (8 bytes)
|
|
* 2. Header length (4 bytes)
|
|
* 3. Header
|
|
* 4. Body length (4 bytes)
|
|
* 6. Body
|
|
* */
|
|
header_length = tvb_get_letohl(tvb, STEAM_IHS_DISCOVERY_SIGNATURE_LENGTH);
|
|
body_length = tvb_get_letohl(tvb, STEAM_IHS_DISCOVERY_SIGNATURE_LENGTH + 4 + header_length);
|
|
total_length = STEAM_IHS_DISCOVERY_SIGNATURE_LENGTH + 4 + header_length + 4 + body_length;
|
|
|
|
/* Check if expected and captured packet length are equal. */
|
|
if (tvb_reported_length(tvb) != (guint)total_length)
|
|
return 0;
|
|
|
|
if (tvb_captured_length(tvb) != (guint)total_length)
|
|
return 0;
|
|
|
|
/* Set the Protocol column to the constant string of steam_ihs_discovery */
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "STEAMDISCOVER");
|
|
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
/* create display subtree for the protocol */
|
|
ti = proto_tree_add_item(tree, proto_steam_ihs_discovery, tvb, 0, -1, ENC_NA);
|
|
|
|
steam_ihs_discovery_tree = proto_item_add_subtree(ti, ett_steam_ihs_discovery);
|
|
|
|
proto_tree_add_item(steam_ihs_discovery_tree, hf_steam_ihs_discovery_signature, tvb,
|
|
offset, STEAM_IHS_DISCOVERY_SIGNATURE_LENGTH, ENC_LITTLE_ENDIAN);
|
|
offset += STEAM_IHS_DISCOVERY_SIGNATURE_LENGTH;
|
|
|
|
proto_tree_add_item(steam_ihs_discovery_tree, hf_steam_ihs_discovery_header_length, tvb,
|
|
offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
|
|
msg_type = steamdiscover_dissect_header(tvb, pinfo, steam_ihs_discovery_tree, offset, header_length);
|
|
|
|
if ((0 <= msg_type) && (msg_type <= STEAMDISCOVER_MSGTYPES_MAX)) {
|
|
col_set_str(pinfo->cinfo, COL_INFO, hf_steam_ihs_discovery_header_msgtype_strings[msg_type].strptr);
|
|
} else {
|
|
col_set_str(pinfo->cinfo, COL_INFO, "Unknown Message");
|
|
}
|
|
|
|
offset += header_length;
|
|
|
|
proto_tree_add_item(steam_ihs_discovery_tree, hf_steam_ihs_discovery_body_length, tvb,
|
|
offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
|
|
switch(msg_type)
|
|
{
|
|
case STEAMDISCOVER_MSGTYPE_CLIENTBROADCASTMSGDISCOVERY:
|
|
steamdiscover_dissect_body_discovery(tvb, pinfo, steam_ihs_discovery_tree, offset, body_length);
|
|
break;
|
|
case STEAMDISCOVER_MSGTYPE_CLIENTBROADCASTMSGSTATUS:
|
|
steamdiscover_dissect_body_status(tvb, pinfo, steam_ihs_discovery_tree, offset, body_length);
|
|
break;
|
|
case STEAMDISCOVER_MSGTYPE_CLIENTBROADCASTMSGOFFLINE:
|
|
/* Message seems to have no body */
|
|
break;
|
|
case STEAMDISCOVER_MSGTYPE_DEVICEAUTHORIZATIONREQUEST:
|
|
steamdiscover_dissect_body_authrequest(tvb, pinfo, steam_ihs_discovery_tree, offset, body_length);
|
|
break;
|
|
case STEAMDISCOVER_MSGTYPE_DEVICEAUTHORIZATIONCANCELREQUEST:
|
|
/* Message seems to have no body */
|
|
break;
|
|
case STEAMDISCOVER_MSGTYPE_DEVICEAUTHORIZATIONRESPONSE:
|
|
steamdiscover_dissect_body_authresponse(tvb, pinfo, steam_ihs_discovery_tree, offset, body_length);
|
|
break;
|
|
case STEAMDISCOVER_MSGTYPE_DEVICESTREAMINGREQUEST:
|
|
steamdiscover_dissect_body_streamingrequest(tvb, pinfo, steam_ihs_discovery_tree, offset, body_length);
|
|
break;
|
|
case STEAMDISCOVER_MSGTYPE_DEVICESTREAMINGCANCELREQUEST:
|
|
steamdiscover_dissect_body_streamingcancelrequest(tvb, pinfo, steam_ihs_discovery_tree, offset, body_length);
|
|
break;
|
|
case STEAMDISCOVER_MSGTYPE_DEVICESTREAMINGRESPONSE:
|
|
steamdiscover_dissect_body_streamingresponse(tvb, pinfo, steam_ihs_discovery_tree, offset, body_length);
|
|
break;
|
|
case STEAMDISCOVER_MSGTYPE_DEVICEPROOFREQUEST:
|
|
steamdiscover_dissect_body_proofrequest(tvb, pinfo, steam_ihs_discovery_tree, offset, body_length);
|
|
break;
|
|
case STEAMDISCOVER_MSGTYPE_DEVICEPROOFRESPONSE:
|
|
steamdiscover_dissect_body_proofresponse(tvb, pinfo, steam_ihs_discovery_tree, offset, body_length);
|
|
break;
|
|
default:
|
|
steamdiscover_dissect_body_unknown(tvb, pinfo, steam_ihs_discovery_tree, offset, body_length);
|
|
break;
|
|
}
|
|
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
/* Register the protocol with Wireshark. */
|
|
void
|
|
proto_register_steam_ihs_discovery(void)
|
|
{
|
|
module_t *steam_ihs_discovery_module;
|
|
expert_module_t *expert_steam_ihs_discovery;
|
|
|
|
static hf_register_info hf[] = {
|
|
/* Non-protobuf header fields */
|
|
{ &hf_steam_ihs_discovery_signature,
|
|
{ "Signature", "steam_ihs_discovery.signature",
|
|
FT_UINT64, BASE_HEX, NULL, 0,
|
|
"Every packet of the Steam In-Home Streaming Discovery Protocol begins with this signature.", HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_header_length,
|
|
{ "Header Length", "steam_ihs_discovery.header_length",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_length,
|
|
{ "Body Length", "steam_ihs_discovery.body_length",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_unknown_data,
|
|
{ "Unknown Data", "steam_ihs_discovery.unknown_data",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_unknown_number,
|
|
{ "Unknown Number", "steam_ihs_discovery.unknown_number",
|
|
FT_UINT64, BASE_DEC_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
/* CMsgRemoteClientBroadcastHeader */
|
|
{ &hf_steam_ihs_discovery_header_clientid,
|
|
{ "Client ID", "steam_ihs_discovery.header_client_id",
|
|
FT_UINT64, BASE_DEC_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_header_msgtype,
|
|
{ "Message Type", "steam_ihs_discovery.header_msg_type",
|
|
FT_UINT64, BASE_DEC|BASE_VAL64_STRING, VALS64(hf_steam_ihs_discovery_header_msgtype_strings), 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_header_instanceid,
|
|
{ "Instance ID", "steam_ihs_discovery.header_instance_id",
|
|
FT_UINT64, BASE_DEC_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
/* CMsgRemoteClientBroadcastDiscovery message */
|
|
{ &hf_steam_ihs_discovery_body_discovery_seqnum,
|
|
{ "Sequence Number", "steam_ihs_discovery.body_discovery_seqnum",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_discovery_clientids,
|
|
{ "Client IDs", "steam_ihs_discovery.body_discovery_clientids",
|
|
FT_UINT64, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
/* CMsgRemoteClientBroadcastStatus message */
|
|
{ &hf_steam_ihs_discovery_body_status_version,
|
|
{ "Version", "steam_ihs_discovery.body_status_version",
|
|
FT_INT32, BASE_DEC, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_status_minversion,
|
|
{ "Minimum Version", "steam_ihs_discovery.body_status_minversion",
|
|
FT_INT32, BASE_DEC, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_status_connectport,
|
|
{ "Connect Port", "steam_ihs_discovery.body_status_connectport",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_status_hostname,
|
|
{ "Hostname", "steam_ihs_discovery.body_status_hostname",
|
|
FT_STRING, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_status_enabledservices,
|
|
{ "Enabled Services", "steam_ihs_discovery.body_status_enabledservices",
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_status_ostype,
|
|
{ "OS Type", "steam_ihs_discovery.body_status_ostype",
|
|
FT_INT32, BASE_DEC, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_status_is64bit,
|
|
{ "Is 64 Bit", "steam_ihs_discovery.body_status_is64bit",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_status_euniverse,
|
|
{ "EUniverse", "steam_ihs_discovery.body_status_euniverse",
|
|
FT_INT32, BASE_DEC, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_status_timestamp,
|
|
{ "Timestamp", "steam_ihs_discovery.body_status_timestamp",
|
|
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_status_screenlocked,
|
|
{ "Screen Locked", "steam_ihs_discovery.body_status_screenlocked",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_status_gamesrunning,
|
|
{ "Games Running", "steam_ihs_discovery.body_status_gamesrunning",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_status_macaddresses,
|
|
{ "MAC Addresses", "steam_ihs_discovery.body_status_macaddresses",
|
|
FT_STRING, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
/* CMsgRemoteClientBroadcastStatus.User */
|
|
{ &hf_steam_ihs_discovery_body_status_user_steamid,
|
|
{ "Steam ID", "steam_ihs_discovery.body_status_user_steamid",
|
|
FT_UINT64, BASE_DEC, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_status_user_authkeyid,
|
|
{ "Auth Key ID", "steam_ihs_discovery.body_status_user_authkeyid",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
/* CMsgRemoteDeviceAuthorizationRequest */
|
|
{ &hf_steam_ihs_discovery_body_authrequest_devicetoken,
|
|
{ "Device Token", "steam_ihs_discovery.body_authrequest_devicetoken",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_authrequest_devicename,
|
|
{ "Device Name", "steam_ihs_discovery.body_authrequest_devicename",
|
|
FT_STRING, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_authrequest_encryptedrequest,
|
|
{ "Encrypted Request", "steam_ihs_discovery.body_authrequest_encryptedrequest",
|
|
FT_BYTES, BASE_NO_DISPLAY_VALUE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
/* CMsgRemoteDeviceAuthorizationResponse */
|
|
{ &hf_steam_ihs_discovery_body_authresponse_authresult,
|
|
{ "Result", "steam_ihs_discovery.body_authresponse_authresult",
|
|
FT_UINT64, BASE_DEC|BASE_VAL64_STRING, VALS64(hf_steam_ihs_discovery_body_authresponse_authresult_strings), 0,
|
|
NULL, HFILL }
|
|
},
|
|
/* CMsgRemoteDeviceStreamingRequest */
|
|
{ &hf_steam_ihs_discovery_body_streamingrequest_requestid,
|
|
{ "Request ID", "steam_ihs_discovery.body_streamingrequest_requestid",
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_streamingrequest_maximumresolutionx,
|
|
{ "Maximum Resolution X", "steam_ihs_discovery.body_streamingrequest_maximumresolutionx",
|
|
FT_INT32, BASE_DEC, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_streamingrequest_maximumresolutiony,
|
|
{ "Maximum Resolution Y", "steam_ihs_discovery.body_streamingrequest_maximumresolutiony",
|
|
FT_INT32, BASE_DEC, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_streamingrequest_audiochannelcount,
|
|
{ "Audio Channel Count", "steam_ihs_discovery.body_streamingrequest_audiochannelcount",
|
|
FT_INT32, BASE_DEC, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_streamingrequest_deviceversion,
|
|
{ "Device Version", "steam_ihs_discovery.body_streamingrequest_deviceversion",
|
|
FT_STRING, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_streamingrequest_streamdesktop,
|
|
{ "Stream Desktop", "steam_ihs_discovery.body_streamingrequest_streamdesktop",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_streamingrequest_devicetoken,
|
|
{ "Device Token", "steam_ihs_discovery.body_streamingrequest_devicetoken",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_streamingrequest_pin,
|
|
{ "PIN", "steam_ihs_discovery.body_streamingrequest_pin",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_streamingrequest_enablevideostreaming,
|
|
{ "Enable Video Streaming", "steam_ihs_discovery.body_streamingrequest_enablevideostreaming",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_streamingrequest_enableaudiostreaming,
|
|
{ "Enable Audio Streaming", "steam_ihs_discovery.body_streamingrequest_enableaudiostreaming",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_streamingrequest_enableinputstreaming,
|
|
{ "Enable Input Streaming", "steam_ihs_discovery.body_streamingrequest_enableinputstreaming",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
/* CMsgRemoteDeviceStreamingCancelRequest */
|
|
{ &hf_steam_ihs_discovery_body_streamingcancelrequest_requestid,
|
|
{ "Request ID", "steam_ihs_discovery.body_streamingcancelrequest_requestid",
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
/* CMsgRemoteDeviceStreamingResponse */
|
|
{ &hf_steam_ihs_discovery_body_streamingresponse_requestid,
|
|
{ "Request ID", "steam_ihs_discovery.body_streamingresponse_requestid",
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_streamingresponse_result,
|
|
{ "Result", "steam_ihs_discovery.body_streamingresponse_result",
|
|
FT_UINT64, BASE_DEC|BASE_VAL64_STRING, VALS64(hf_steam_ihs_discovery_body_streamingresponse_result_strings), 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_streamingresponse_port,
|
|
{ "Port", "steam_ihs_discovery.body_streamingresponse_port",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_streamingresponse_encryptedsessionkey,
|
|
{ "Encrypted Session Key", "steam_ihs_discovery.body_streamingresponse_encryptedsessionkey",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_steam_ihs_discovery_body_streamingresponse_virtualherelicenseddevicecount,
|
|
{ "VirtualHere Licensed Device Count", "steam_ihs_discovery.body_streamingresponse_virtualherelicenseddevicecount",
|
|
FT_INT32, BASE_DEC, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
/* CMsgRemoteDeviceProofRequest */
|
|
{ &hf_steam_ihs_discovery_body_proofrequest_challenge,
|
|
{ "Challenge", "steam_ihs_discovery.body_proofrequest_challenge",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
/* CMsgRemoteDeviceProofResponse */
|
|
{ &hf_steam_ihs_discovery_body_proofresponse_response,
|
|
{ "Response", "steam_ihs_discovery.body_proofresponse_response",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
}
|
|
};
|
|
|
|
/* Setup protocol subtree array */
|
|
static gint *ett[] = {
|
|
&ett_steam_ihs_discovery,
|
|
&ett_steam_ihs_discovery_body_status_user
|
|
};
|
|
|
|
/* Setup protocol expert items */
|
|
static ei_register_info ei[] = {
|
|
{ &ei_steam_ihs_discovery_unknown_data,
|
|
{ "steam_ihs_discovery.unknowndata", PI_UNDECODED, PI_WARN,
|
|
"Unknown data section", EXPFILL }
|
|
},
|
|
{ &ei_steam_ihs_discovery_unknown_number,
|
|
{ "steam_ihs_discovery.unknownnumber", PI_UNDECODED, PI_WARN,
|
|
"Unknown numeric protobuf field", EXPFILL }
|
|
},
|
|
{ &ei_steam_ihs_discovery_unknown_lengthdelimited,
|
|
{ "steam_ihs_discovery.unknownlengthdelimited", PI_UNDECODED, PI_WARN,
|
|
"Unknown length-delimited protobuf field", EXPFILL }
|
|
},
|
|
{ &ei_steam_ihs_discovery_invalid_wiretype,
|
|
{ "steam_ihs_discovery.invalid_wiretype", PI_MALFORMED, PI_ERROR,
|
|
"Unexpected wire type", EXPFILL }
|
|
},
|
|
{ &ei_steam_ihs_discovery_invalid_length,
|
|
{ "steam_ihs_discovery.invalid_length", PI_MALFORMED, PI_ERROR,
|
|
"Length-delimited field has invalid length", EXPFILL }
|
|
}
|
|
};
|
|
|
|
/* Register the protocol name and description */
|
|
proto_steam_ihs_discovery = proto_register_protocol("Steam In-Home Streaming Discovery Protocol",
|
|
"Steam IHS Discovery", "steam_ihs_discovery");
|
|
|
|
/* Required function calls to register the header fields and subtrees */
|
|
proto_register_field_array(proto_steam_ihs_discovery, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
/* Required function calls to register expert items */
|
|
expert_steam_ihs_discovery = expert_register_protocol(proto_steam_ihs_discovery);
|
|
expert_register_field_array(expert_steam_ihs_discovery, ei, array_length(ei));
|
|
|
|
/* Register a preferences module. */
|
|
steam_ihs_discovery_module = prefs_register_protocol(proto_steam_ihs_discovery,
|
|
proto_reg_handoff_steam_ihs_discovery);
|
|
|
|
/* Register an example port preference */
|
|
prefs_register_uint_preference(steam_ihs_discovery_module, "udp.port", "steam_ihs_discovery UDP Port",
|
|
" Steam IHS Discovery UDP port if other than the default",
|
|
10, &udp_port_pref);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_steam_ihs_discovery(void)
|
|
{
|
|
static gboolean initialized = FALSE;
|
|
static dissector_handle_t steam_ihs_discovery_handle;
|
|
static int current_port;
|
|
|
|
if (!initialized) {
|
|
steam_ihs_discovery_handle = create_dissector_handle(dissect_steam_ihs_discovery,
|
|
proto_steam_ihs_discovery);
|
|
initialized = TRUE;
|
|
|
|
} else {
|
|
dissector_delete_uint("udp.port", current_port, steam_ihs_discovery_handle);
|
|
}
|
|
|
|
current_port = udp_port_pref;
|
|
|
|
dissector_add_uint("udp.port", current_port, steam_ihs_discovery_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:
|
|
*/
|