/* packet-aim-messaging.c * Routines for AIM Instant Messenger (OSCAR) dissection, SNAC Messaging * Copyright 2004, Jelmer Vernooij * Copyright 2000, Ralf Hoelzer * Copyright 2004, Devin Heitmueller * * $Id$ * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include #include #include #include #include "packet-aim.h" #define FAMILY_MESSAGING 0x0004 #define INCOMING_CH1_MESSAGE_BLOCK 0x0002 #define INCOMING_CH1_SERVER_ACK_REQ 0x0003 #define INCOMING_CH1_MESSAGE_AUTH_RESP 0x0004 #define INCOMING_CH1_MESSAGE_OFFLINE 0x0006 #define INCOMING_CH1_ICON_PRESENT 0x0008 #define INCOMING_CH1_BUDDY_REQ 0x0009 #define INCOMING_CH1_TYPING 0x000b static const aim_tlv messaging_incoming_ch1_tlvs[] = { { INCOMING_CH1_MESSAGE_BLOCK, "Message Block", dissect_aim_tlv_value_messageblock }, { INCOMING_CH1_SERVER_ACK_REQ, "Server Ack Requested", dissect_aim_tlv_value_bytes }, { INCOMING_CH1_MESSAGE_AUTH_RESP, "Message is Auto Response", dissect_aim_tlv_value_bytes }, { INCOMING_CH1_MESSAGE_OFFLINE, "Message was received offline", dissect_aim_tlv_value_bytes }, { INCOMING_CH1_ICON_PRESENT, "Icon present", dissect_aim_tlv_value_bytes }, { INCOMING_CH1_BUDDY_REQ, "Buddy Req", dissect_aim_tlv_value_bytes }, { INCOMING_CH1_TYPING, "Non-direct connect typing notification", dissect_aim_tlv_value_bytes }, { 0, NULL, NULL }, }; static int dissect_aim_tlv_value_rendezvous(proto_item *ti, guint16 valueid _U_, tvbuff_t *tvb, packet_info *pinfo); static int dissect_aim_tlv_value_extended_data(proto_item *ti, guint16 valueid _U_, tvbuff_t *tvb, packet_info *pinfo _U_); #define INCOMING_CH2_SERVER_ACK_REQ 0x0003 #define INCOMING_CH2_RENDEZVOUS_DATA 0x0005 static const aim_tlv messaging_incoming_ch2_tlvs[] = { { INCOMING_CH2_SERVER_ACK_REQ, "Server Ack Requested", dissect_aim_tlv_value_bytes }, { INCOMING_CH2_RENDEZVOUS_DATA, "Rendez Vous Data", dissect_aim_tlv_value_rendezvous }, { 0, NULL, NULL }, }; #define RENDEZVOUS_TLV_CHANNEL 0x0001 #define RENDEZVOUS_TLV_IP_ADDR 0x0002 #define RENDEZVOUS_TLV_INT_IP 0x0003 #define RENDEZVOUS_TLV_EXT_IP 0x0004 #define RENDEZVOUS_TLV_EXT_PORT 0x0005 #define RENDEZVOUS_TLV_DOWNLOAD_URL 0x0006 #define RENDEZVOUS_TLV_VERIFIED_DOWNLOAD_URL 0x0008 #define RENDEZVOUS_TLV_SEQ_NUM 0x000A #define RENDEZVOUS_TLV_CANCEL_REASON 0x000B #define RENDEZVOUS_TLV_INVITATION 0x000C #define RENDEZVOUS_TLV_INVITE_MIME_CHARSET 0x000D #define RENDEZVOUS_TLV_INVITE_MIME_LANG 0x000E #define RENDEZVOUS_TLV_REQ_HOST_CHECK 0x000F #define RENDEZVOUS_TLV_REQ_USE_ARS 0x0010 #define RENDEZVOUS_TLV_REQ_SECURE 0x0011 #define RENDEZVOUS_TLV_MAX_PROTOCOL_VER 0x0012 #define RENDEZVOUS_TLV_MIN_PROTOCOL_VER 0x0013 #define RENDEZVOUS_TLV_COUNTER_REASON 0x0014 #define RENDEZVOUS_TLV_INVITE_MIME_TYPE 0x0015 #define RENDEZVOUS_TLV_IP_ADDR_XOR 0x0016 #define RENDEZVOUS_TLV_PORT_XOR 0x0017 #define RENDEZVOUS_TLV_ADDR_LIST 0x0018 #define RENDEZVOUS_TLV_SESSION_ID 0x0019 #define RENDEZVOUS_TLV_ROLLOVER_ID 0x001A #define RENDEZVOUS_TLV_EXTENDED_DATA 0x2711 #define RENDEZVOUS_TLV_ICHAT_INVITEES_DATA 0x277E static const aim_tlv rendezvous_tlvs[] = { { RENDEZVOUS_TLV_CHANNEL, "Rendezvous ICBM Channel", dissect_aim_tlv_value_uint16 }, { RENDEZVOUS_TLV_IP_ADDR, "Rendezvous IP", dissect_aim_tlv_value_ipv4 }, { RENDEZVOUS_TLV_INT_IP, "Internal IP", dissect_aim_tlv_value_ipv4 }, { RENDEZVOUS_TLV_EXT_IP, "External IP", dissect_aim_tlv_value_ipv4 }, { RENDEZVOUS_TLV_EXT_PORT, "External Port", dissect_aim_tlv_value_uint16 }, { RENDEZVOUS_TLV_DOWNLOAD_URL, "Service Support Download URL", dissect_aim_tlv_value_string }, { RENDEZVOUS_TLV_VERIFIED_DOWNLOAD_URL, "Verified Service Support Download URL", dissect_aim_tlv_value_string }, { RENDEZVOUS_TLV_SEQ_NUM, "Sequence Number", dissect_aim_tlv_value_uint16 }, { RENDEZVOUS_TLV_CANCEL_REASON, "Cancel Reason", dissect_aim_tlv_value_uint16 }, { RENDEZVOUS_TLV_INVITATION, "Invitation Text", dissect_aim_tlv_value_string }, { RENDEZVOUS_TLV_INVITE_MIME_CHARSET, "Data MIME Type", dissect_aim_tlv_value_string }, { RENDEZVOUS_TLV_INVITE_MIME_LANG, "Data Language", dissect_aim_tlv_value_string }, { RENDEZVOUS_TLV_REQ_HOST_CHECK, "Request Host Check", NULL }, { RENDEZVOUS_TLV_REQ_USE_ARS, "Request Data via Rendezvous Server", NULL }, { RENDEZVOUS_TLV_REQ_SECURE, "Request SSL Connection", NULL }, { RENDEZVOUS_TLV_MAX_PROTOCOL_VER, "Maximum Protocol Version", dissect_aim_tlv_value_uint16 }, { RENDEZVOUS_TLV_MIN_PROTOCOL_VER, "Minimum Protocol Version", dissect_aim_tlv_value_uint16 }, { RENDEZVOUS_TLV_COUNTER_REASON, "Counter Proposal Reason", dissect_aim_tlv_value_uint16 }, { RENDEZVOUS_TLV_INVITE_MIME_TYPE, "Data MIME Type", dissect_aim_tlv_value_string }, { RENDEZVOUS_TLV_IP_ADDR_XOR, "XORed Rendezvous IP", dissect_aim_tlv_value_ipv4 }, { RENDEZVOUS_TLV_PORT_XOR, "XORed Port", dissect_aim_tlv_value_uint16 }, { RENDEZVOUS_TLV_ADDR_LIST, "Address/Port List", dissect_aim_tlv_value_string08_array }, { RENDEZVOUS_TLV_SESSION_ID, "Session ID", dissect_aim_tlv_value_string }, { RENDEZVOUS_TLV_ROLLOVER_ID, "Rollover ID", dissect_aim_tlv_value_string }, /* The dissect_aim_tlv_value_extended_data function does not work for iChat generated rendezvous data { RENDEZVOUS_TLV_EXTENDED_DATA, "Extended Data", dissect_aim_tlv_value_extended_data }, */ { RENDEZVOUS_TLV_EXTENDED_DATA, "Extended Data", NULL }, { RENDEZVOUS_TLV_ICHAT_INVITEES_DATA, "iChat Invitees Data", NULL }, { 0, NULL, NULL }, }; #define MINITYPING_FINISHED_SIGN 0x0000 #define MINITYPING_TEXT_TYPED_SIGN 0x0001 #define MINITYPING_BEGUN_SIGN 0x0002 static const value_string minityping_type[] _U_ = { {MINITYPING_FINISHED_SIGN, "Typing finished sign" }, {MINITYPING_TEXT_TYPED_SIGN, "Text typed sign" }, {MINITYPING_BEGUN_SIGN, "Typing begun sign" }, {0, NULL } }; #define RENDEZVOUS_MSG_REQUEST 0 #define RENDEZVOUS_MSG_CANCEL 1 #define RENDEZVOUS_MSG_ACCEPT 2 static const value_string rendezvous_msg_types[] = { { RENDEZVOUS_MSG_REQUEST, "Request" }, { RENDEZVOUS_MSG_CANCEL, "Cancel" }, { RENDEZVOUS_MSG_ACCEPT, "Accept" }, { 0, NULL }, }; #define CLIENTAUTORESP_REASON_BUSTED_PAYLOAD 2 #define CLIENTAUTORESP_REASON_CHANNEL_SPECIFIC 3 static const value_string clientautoresp_reason_types[] = { { CLIENTAUTORESP_REASON_BUSTED_PAYLOAD, "Busted Payload" }, { CLIENTAUTORESP_REASON_CHANNEL_SPECIFIC, "Channel-specific" }, { 0, NULL }, }; #define EXTENDED_DATA_MTYPE_PLAIN 0x01 #define EXTENDED_DATA_MTYPE_CHAT 0x02 #define EXTENDED_DATA_MTYPE_FILEREQ 0x03 #define EXTENDED_DATA_MTYPE_URL 0x04 #define EXTENDED_DATA_MTYPE_AUTHREQ 0x06 #define EXTENDED_DATA_MTYPE_AUTHDENY 0x07 #define EXTENDED_DATA_MTYPE_AUTHOK 0x08 #define EXTENDED_DATA_MTYPE_SERVER 0x09 #define EXTENDED_DATA_MTYPE_ADDED 0x0C #define EXTENDED_DATA_MTYPE_WWP 0x0D #define EXTENDED_DATA_MTYPE_EEXPRESS 0x0E #define EXTENDED_DATA_MTYPE_CONTACTS 0x13 #define EXTENDED_DATA_MTYPE_PLUGIN 0x1A #define EXTENDED_DATA_MTYPE_AUTOAWAY 0xE8 #define EXTENDED_DATA_MTYPE_AUTOBUSY 0xE9 #define EXTENDED_DATA_MTYPE_AUTONA 0xEA #define EXTENDED_DATA_MTYPE_AUTODND 0xEB #define EXTENDED_DATA_MTYPE_AUTOFFC 0xEC static const value_string extended_data_message_types[] = { {EXTENDED_DATA_MTYPE_PLAIN, "Plain text (simple) message"}, {EXTENDED_DATA_MTYPE_CHAT, "Chat request message"}, {EXTENDED_DATA_MTYPE_FILEREQ, "File request / file ok message"}, {EXTENDED_DATA_MTYPE_URL, "URL message (0xFE formatted)"}, {EXTENDED_DATA_MTYPE_AUTHREQ, "Authorization request message (0xFE formatted)"}, {EXTENDED_DATA_MTYPE_AUTHDENY, "Authorization denied message (0xFE formatted)"}, {EXTENDED_DATA_MTYPE_AUTHOK, "Authorization given message (empty)"}, {EXTENDED_DATA_MTYPE_SERVER, "Message from OSCAR server (0xFE formatted)"}, {EXTENDED_DATA_MTYPE_ADDED, "\"You-were-added\" message (0xFE formatted)"}, {EXTENDED_DATA_MTYPE_WWP, "Web pager message (0xFE formatted)"}, {EXTENDED_DATA_MTYPE_EEXPRESS, "Email express message (0xFE formatted)"}, {EXTENDED_DATA_MTYPE_CONTACTS, "Contact list message"}, {EXTENDED_DATA_MTYPE_PLUGIN, "Plugin message described by text string"}, {EXTENDED_DATA_MTYPE_AUTOAWAY, "Auto away message"}, {EXTENDED_DATA_MTYPE_AUTOBUSY, "Auto occupied message"}, {EXTENDED_DATA_MTYPE_AUTONA, "Auto not available message"}, {EXTENDED_DATA_MTYPE_AUTODND, "Auto do not disturb message"}, {EXTENDED_DATA_MTYPE_AUTOFFC, "Auto free for chat message"}, { 0, NULL }, }; #define EXTENDED_DATA_MFLAG_NORMAL 0x01 #define EXTENDED_DATA_MFLAG_AUTO 0x03 #define EXTENDED_DATA_MFLAG_MULTI 0x80 #define EVIL_ORIGIN_ANONYMOUS 1 #define EVIL_ORIGIN_NONANONYMOUS 2 static const value_string evil_origins[] = { {EVIL_ORIGIN_ANONYMOUS, "Anonymous"}, {EVIL_ORIGIN_NONANONYMOUS, "Non-Anonymous"}, {0, NULL }, }; /* Initialize the protocol and registered fields */ static int proto_aim_messaging = -1; static int hf_aim_icbm_channel = -1; static int hf_aim_icbm_cookie = -1; static int hf_aim_icbm_msg_flags = -1; static int hf_aim_icbm_max_sender_warnlevel = -1; static int hf_aim_icbm_max_receiver_warnlevel = -1; static int hf_aim_icbm_max_snac_size = -1; static int hf_aim_icbm_min_msg_interval = -1; static int hf_aim_icbm_notification_cookie = -1; static int hf_aim_icbm_notification_channel = -1; static int hf_aim_icbm_notification_type = -1; static int hf_aim_message_channel_id = -1; static int hf_aim_icbm_evil = -1; static int hf_aim_evil_warn_level = -1; static int hf_aim_evil_new_warn_level = -1; static int hf_aim_rendezvous_msg_type = -1; static int hf_aim_icbm_clientautoresp_reason = -1; static int hf_aim_icbm_clientautoresp_protocol_version = -1; static int hf_aim_icbm_clientautoresp_client_caps_flags = -1; static int hf_aim_rendezvous_extended_data_message_type = -1; static int hf_aim_rendezvous_extended_data_message_flags = -1; static int hf_aim_rendezvous_extended_data_message_flags_normal = -1; static int hf_aim_rendezvous_extended_data_message_flags_auto = -1; static int hf_aim_rendezvous_extended_data_message_flags_multi = -1; static int hf_aim_rendezvous_extended_data_message_status_code = -1; static int hf_aim_rendezvous_extended_data_message_priority_code = -1; static int hf_aim_rendezvous_extended_data_message_text_length = -1; static int hf_aim_rendezvous_extended_data_message_text = -1; /* Initialize the subtree pointers */ static gint ett_aim_messaging = -1; static gint ett_aim_rendezvous_data = -1; static gint ett_aim_extended_data = -1; static gint ett_aim_extended_data_message_flags = -1; static int dissect_aim_tlv_value_rendezvous(proto_item *ti, guint16 valueid _U_, tvbuff_t *tvb, packet_info *pinfo) { int offset = 0; proto_tree *entry = proto_item_add_subtree(ti, ett_aim_rendezvous_data); proto_tree_add_item(entry, hf_aim_rendezvous_msg_type, tvb, offset, 2, FALSE); offset+=2; proto_tree_add_item(entry, hf_aim_icbm_cookie, tvb, offset, 8, FALSE); offset += 8; offset = dissect_aim_capability(entry, tvb, offset); return dissect_aim_tlv_sequence(tvb, pinfo, offset, entry, rendezvous_tlvs); } static int dissect_aim_msg_outgoing(tvbuff_t *tvb, packet_info *pinfo, proto_tree *msg_tree) { int offset = 0; const aim_tlv *ch_tlvs = NULL; guint16 channel_id; guchar buddyname[MAX_BUDDYNAME_LENGTH+1]; int buddyname_length; /* ICBM Cookie */ proto_tree_add_item(msg_tree, hf_aim_icbm_cookie, tvb, offset, 8, FALSE); offset += 8; /* Message Channel ID */ channel_id = tvb_get_ntohs(tvb, offset); proto_tree_add_item(msg_tree, hf_aim_message_channel_id, tvb, offset, 2, FALSE); offset += 2; /* Add the outgoing username to the info column */ if (check_col(pinfo->cinfo, COL_INFO)) { buddyname_length = aim_get_buddyname(buddyname, tvb, offset, offset + 1); col_append_fstr(pinfo->cinfo, COL_INFO, " to: %s", format_text(buddyname, buddyname_length)); } offset = dissect_aim_buddyname(tvb, pinfo, offset, msg_tree); switch(channel_id) { case 1: ch_tlvs = messaging_incoming_ch1_tlvs; break; case 2: ch_tlvs = messaging_incoming_ch2_tlvs; break; default: return offset; } return dissect_aim_tlv_sequence(tvb, pinfo, offset, msg_tree, ch_tlvs); } static int dissect_aim_msg_incoming(tvbuff_t *tvb, packet_info *pinfo, proto_tree *msg_tree) { int offset = 0; const aim_tlv *ch_tlvs; guint16 channel_id; /* ICBM Cookie */ proto_tree_add_item(msg_tree, hf_aim_icbm_cookie, tvb, offset, 8, FALSE); offset += 8; /* Message Channel ID */ proto_tree_add_item(msg_tree, hf_aim_message_channel_id, tvb, offset, 2, FALSE); channel_id = tvb_get_ntohs(tvb, offset); offset += 2; offset = dissect_aim_userinfo(tvb, pinfo, offset, msg_tree); switch(channel_id) { case 1: ch_tlvs = messaging_incoming_ch1_tlvs; break; case 2: ch_tlvs = messaging_incoming_ch2_tlvs; break; default: return offset; } return dissect_aim_tlv_sequence(tvb, pinfo, offset, msg_tree, ch_tlvs); } static int dissect_aim_msg_params(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *msg_tree) { int offset = 0; proto_tree_add_item(msg_tree, hf_aim_icbm_channel, tvb, offset, 2, tvb_get_ntohs(tvb, offset)); offset+=2; proto_tree_add_item(msg_tree, hf_aim_icbm_msg_flags, tvb, offset, 4, tvb_get_ntoh24(tvb, offset)); offset+=4; proto_tree_add_item(msg_tree, hf_aim_icbm_max_snac_size, tvb, offset, 2, tvb_get_ntohs(tvb, offset)); offset+=2; proto_tree_add_item(msg_tree, hf_aim_icbm_max_sender_warnlevel, tvb, offset, 2, tvb_get_ntohs(tvb, offset)); offset+=2; proto_tree_add_item(msg_tree, hf_aim_icbm_max_receiver_warnlevel, tvb, offset, 2, tvb_get_ntohs(tvb, offset)); offset+=2; proto_tree_add_item(msg_tree, hf_aim_icbm_min_msg_interval, tvb, offset, 4, tvb_get_ntohl(tvb, offset)); offset+=4; return offset; } static int dissect_aim_msg_evil_req(tvbuff_t *tvb, packet_info *pinfo, proto_tree *msg_tree) { int offset = 0; proto_tree_add_item(msg_tree, hf_aim_icbm_evil, tvb, offset, 2, tvb_get_ntohs(tvb, offset)); offset+=2; return dissect_aim_buddyname(tvb, pinfo, offset, msg_tree); } static int dissect_aim_msg_evil_repl(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *msg_tree) { int offset = 0; proto_tree_add_item(msg_tree, hf_aim_evil_warn_level, tvb, offset, 2, tvb_get_ntohs(tvb, offset)); offset+=2; proto_tree_add_item(msg_tree, hf_aim_evil_new_warn_level, tvb, offset, 2, tvb_get_ntohs(tvb, offset)); offset+=2; return offset; } static int dissect_aim_msg_minityping(tvbuff_t *tvb, packet_info *pinfo, proto_tree *msg_tree) { int offset = 0; proto_tree_add_item(msg_tree,hf_aim_icbm_notification_cookie, tvb, offset, 8, FALSE); offset+=8; proto_tree_add_item(msg_tree,hf_aim_icbm_notification_channel, tvb, offset, 2, tvb_get_ntohs(tvb, offset)); offset+=2; offset = dissect_aim_buddyname(tvb, pinfo, offset, msg_tree); proto_tree_add_item(msg_tree,hf_aim_icbm_notification_type, tvb, offset, 2, tvb_get_ntohs(tvb, offset)); offset+=2; return offset; } typedef struct _aim_client_plugin { const char *name; e_uuid_t uuid; } aim_client_plugin; static const aim_client_plugin known_client_plugins[] = { { "None", {0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}}, { "Status Manager", {0xD140CF10, 0xE94F, 0x11D3, {0xBC, 0xD2, 0x00, 0x04, 0xAC, 0x96, 0xDD, 0x96}}}, { NULL, {0x0, 0x0, 0x0, { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 } } } }; static const aim_client_plugin *aim_find_plugin ( e_uuid_t uuid) { int i; for(i = 0; known_client_plugins[i].name; i++) { const aim_client_plugin *plugin = &(known_client_plugins[i]); if(memcmp(&(plugin->uuid), &uuid, sizeof(e_uuid_t)) == 0) return plugin; } return NULL; } static int dissect_aim_plugin(proto_tree *entry, tvbuff_t *tvb, int offset, e_uuid_t* out_plugin_uuid) { const aim_client_plugin *plugin = NULL; e_uuid_t uuid; uuid.Data1 = tvb_get_ntohl(tvb, offset); uuid.Data2 = tvb_get_ntohs(tvb, offset+4); uuid.Data3 = tvb_get_ntohs(tvb, offset+6); tvb_memcpy(tvb, uuid.Data4, offset+8, 8); if (out_plugin_uuid) *out_plugin_uuid = uuid; plugin = aim_find_plugin(uuid); proto_tree_add_text(entry, tvb, offset, 16, "Plugin: %s {%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}", plugin ? plugin->name:"Unknown", uuid.Data1, uuid.Data2, uuid.Data3, uuid.Data4[0], uuid.Data4[1], uuid.Data4[2], uuid.Data4[3], uuid.Data4[4], uuid.Data4[5], uuid.Data4[6], uuid.Data4[7] ); return offset+16; } static int dissect_aim_rendezvous_extended_message(tvbuff_t *tvb, proto_tree *msg_tree) { guint8 message_type, message_flags; int offset = 0; proto_item *ti_flags; proto_tree *flags_entry; guint16 text_length; guint8* text; message_type = tvb_get_guint8(tvb, offset); proto_tree_add_item(msg_tree, hf_aim_rendezvous_extended_data_message_type, tvb, offset, 1, FALSE); offset+=1; message_flags = tvb_get_guint8(tvb, offset); ti_flags = proto_tree_add_item(msg_tree, hf_aim_rendezvous_extended_data_message_flags, tvb, offset, 1, message_flags); flags_entry = proto_item_add_subtree(ti_flags, ett_aim_extended_data_message_flags); proto_tree_add_boolean(flags_entry, hf_aim_rendezvous_extended_data_message_flags_normal, tvb, offset, 1, message_flags); proto_tree_add_boolean(flags_entry, hf_aim_rendezvous_extended_data_message_flags_auto, tvb, offset, 1, message_flags); proto_tree_add_boolean(flags_entry, hf_aim_rendezvous_extended_data_message_flags_multi, tvb, offset, 1, message_flags); offset+=1; proto_tree_add_item(msg_tree, hf_aim_rendezvous_extended_data_message_status_code, tvb, offset, 2, TRUE); offset+=2; proto_tree_add_item(msg_tree, hf_aim_rendezvous_extended_data_message_priority_code, tvb, offset, 2, TRUE); offset+=2; text_length = tvb_get_letohs(tvb, offset); proto_tree_add_item(msg_tree, hf_aim_rendezvous_extended_data_message_text_length, tvb, offset, 2, TRUE); offset+=2; text = tvb_get_ephemeral_string(tvb, offset, text_length); proto_tree_add_text(msg_tree, tvb, offset, text_length, "Text: %s", text); offset+=text_length; offset = tvb->length; return offset; } static int is_uuid_null(e_uuid_t uuid) { return (uuid.Data1 == 0) && (uuid.Data2 == 0) && (uuid.Data3 == 0) && (uuid.Data4[0] == 0) && (uuid.Data4[1] == 0) && (uuid.Data4[2] == 0) && (uuid.Data4[3] == 0) && (uuid.Data4[4] == 0) && (uuid.Data4[5] == 0) && (uuid.Data4[6] == 0) && (uuid.Data4[7] == 0); } static int dissect_aim_tlv_value_extended_data(proto_item *ti, guint16 valueid _U_, tvbuff_t *tvb, packet_info *pinfo _U_) { int offset = 0; guint16 length, protocol_version; int start_offset; proto_tree *entry; e_uuid_t plugin_uuid; entry = proto_item_add_subtree(ti, ett_aim_extended_data); length = tvb_get_letohs(tvb, offset); proto_tree_add_text(entry, tvb, offset, 2, "Length: %d", length); offset+=2; start_offset = offset; protocol_version = tvb_get_ntohs(tvb, offset); proto_tree_add_item(entry, hf_aim_icbm_clientautoresp_protocol_version, tvb, offset, 2, TRUE); offset+=2; offset = dissect_aim_plugin(entry, tvb, offset, &plugin_uuid); proto_tree_add_text(entry, tvb, offset, 2, "Unknown"); offset += 2; proto_tree_add_item(entry, hf_aim_icbm_clientautoresp_client_caps_flags, tvb, offset, 4, TRUE); offset+=4; proto_tree_add_text(entry, tvb, offset, 1, "Unknown"); offset += 1; proto_tree_add_text(entry, tvb, offset, 2, "Downcounter?"); offset += 2; offset = start_offset + length; length = tvb_get_letohs(tvb, offset); proto_tree_add_text(entry, tvb, offset, 2, "Length: %d", length); offset+=2; start_offset = offset; proto_tree_add_text(entry, tvb, offset, 2, "Downcounter?"); offset += 2; proto_tree_add_text(entry, tvb, offset, length-2, "Unknown"); offset = start_offset + length; if (is_uuid_null(plugin_uuid)) { /* a message follows */ tvbuff_t *subtvb = tvb_new_subset(tvb, offset, -1, -1); offset += dissect_aim_rendezvous_extended_message(subtvb, entry); } else { /* plugin-specific data follows */ proto_tree_add_text(entry, tvb, offset, -1, "Plugin-specific data"); } offset = tvb->length; return offset; } static int dissect_aim_msg_ack(tvbuff_t *tvb, packet_info *pinfo, proto_tree *msg_tree) { int offset = 0; proto_tree_add_item(msg_tree,hf_aim_icbm_cookie, tvb, offset, 8, FALSE); offset+=8; proto_tree_add_item(msg_tree, hf_aim_message_channel_id, tvb, offset, 2, FALSE); offset += 2; offset = dissect_aim_buddyname(tvb, pinfo, offset, msg_tree); return offset; } static int dissect_aim_msg_clientautoresp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *msg_tree) { int offset = 0; guint16 reason; proto_tree_add_item(msg_tree,hf_aim_icbm_cookie, tvb, offset, 8, FALSE); offset+=8; proto_tree_add_item(msg_tree,hf_aim_icbm_channel, tvb, offset, 2, FALSE); offset+=2; offset = dissect_aim_buddyname(tvb, pinfo, offset, msg_tree); reason = tvb_get_ntohs(tvb, offset); proto_tree_add_item(msg_tree, hf_aim_icbm_clientautoresp_reason, tvb, offset, 2, FALSE); offset+=2; switch (reason) { case 0x0003: { proto_item *ti_extended_data = proto_tree_add_text(msg_tree, tvb, offset, -1, "Extended Data"); tvbuff_t *subtvb = tvb_new_subset(tvb, offset, -1, -1); dissect_aim_tlv_value_extended_data(ti_extended_data, 0, subtvb, pinfo); } break; } return offset; } static const aim_subtype aim_fnac_family_messaging[] = { { 0x0001, "Error", dissect_aim_snac_error }, { 0x0002, "Set ICBM Parameter", dissect_aim_msg_params }, { 0x0003, "Reset ICBM Parameter", NULL }, { 0x0004, "Request Parameter Info", NULL}, { 0x0005, "Parameter Info", dissect_aim_msg_params }, { 0x0006, "Outgoing", dissect_aim_msg_outgoing }, { 0x0007, "Incoming", dissect_aim_msg_incoming }, { 0x0008, "Evil Request", dissect_aim_msg_evil_req }, { 0x0009, "Evil Response", dissect_aim_msg_evil_repl }, { 0x000a, "Missed Call", NULL }, { 0x000b, "Client Auto Response", dissect_aim_msg_clientautoresp }, { 0x000c, "Acknowledge", dissect_aim_msg_ack }, { 0x0014, "Mini Typing Notifications (MTN)", dissect_aim_msg_minityping }, { 0, NULL, NULL } }; /* Register the protocol with Wireshark */ void proto_register_aim_messaging(void) { /* Setup list of header fields */ static hf_register_info hf[] = { { &hf_aim_icbm_channel, { "Channel to setup", "aim_messaging.icbm.channel", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL }, }, { &hf_aim_icbm_msg_flags, { "Message Flags", "aim_messaging.icbm.flags", FT_UINT32, BASE_HEX, NULL, 0x0, "", HFILL }, }, { &hf_aim_icbm_max_snac_size, { "Max SNAC Size", "aim_messaging.icbm.max_snac", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL }, }, { &hf_aim_icbm_max_sender_warnlevel, { "Max sender warn level", "aim_messaging.icbm.max_sender_warn-level", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL }, }, { &hf_aim_icbm_max_receiver_warnlevel, { "max receiver warn level", "aim_messaging.icbm.max_receiver_warnlevel", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL }, }, { &hf_aim_icbm_min_msg_interval, { "Minimum message interval (milliseconds)", "aim_messaging.icbm.min_msg_interval", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL }, }, { &hf_aim_icbm_cookie, { "ICBM Cookie", "aim_messaging.icbmcookie", FT_BYTES, BASE_HEX, NULL, 0x0, "", HFILL } }, { &hf_aim_message_channel_id, { "Message Channel ID", "aim_messaging.channelid", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL } }, { &hf_aim_icbm_evil, { "Send Evil Bit As", "aim_messaging.evilreq.origin", FT_UINT16, BASE_DEC, VALS(evil_origins), 0x0, "", HFILL }, }, { &hf_aim_evil_warn_level, { "Old warning level", "aim_messaging.evil.warn_level", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }, }, { &hf_aim_evil_new_warn_level, { "New warning level", "aim_messaging.evil.new_warn_level", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }, }, { &hf_aim_icbm_notification_cookie, { "Notification Cookie", "aim_messaging.notification.cookie", FT_BYTES, BASE_DEC, NULL, 0x0, "", HFILL }, }, { &hf_aim_icbm_notification_channel, { "Notification Channel", "aim_messaging.notification.channel", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }, }, { &hf_aim_icbm_notification_type, { "Notification Type", "aim_messaging.notification.type", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }, }, { &hf_aim_rendezvous_msg_type, { "Message Type", "aim_messaging.rendezvous.msg_type", FT_UINT16, BASE_HEX, VALS(rendezvous_msg_types), 0x0, "", HFILL }, }, { &hf_aim_icbm_clientautoresp_reason, { "Reason", "aim_messaging.clientautoresp.reason", FT_UINT16, BASE_DEC, VALS(clientautoresp_reason_types), 0x0, "", HFILL }, }, { &hf_aim_icbm_clientautoresp_protocol_version, { "Version", "aim_messaging.clientautoresp.protocol_version", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }, }, { &hf_aim_icbm_clientautoresp_client_caps_flags, { "Client Capabilities Flags", "aim_messaging.clientautoresp.client_caps_flags", FT_UINT32, BASE_HEX, NULL, 0x0, "", HFILL }, }, { &hf_aim_rendezvous_extended_data_message_type, { "Message Type", "aim_messaging.icbm.extended_data.message.type", FT_UINT8, BASE_HEX, VALS(extended_data_message_types), 0x0, "", HFILL }, }, { &hf_aim_rendezvous_extended_data_message_flags, { "Message Flags", "aim_messaging.icbm.extended_data.message.flags", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL }, }, { &hf_aim_rendezvous_extended_data_message_flags_normal, { "Normal Message", "aim_messaging.icbm.extended_data.message.flags.normal", FT_BOOLEAN, 16, TFS(&flags_set_truth), EXTENDED_DATA_MFLAG_NORMAL, "", HFILL }, }, { &hf_aim_rendezvous_extended_data_message_flags_auto, { "Auto Message", "aim_messaging.icbm.extended_data.message.flags.auto", FT_BOOLEAN, 16, TFS(&flags_set_truth), EXTENDED_DATA_MFLAG_AUTO, "", HFILL }, }, { &hf_aim_rendezvous_extended_data_message_flags_multi, { "Multiple Recipients Message", "aim_messaging.icbm.rendezvous.extended_data.message.flags.multi", FT_BOOLEAN, 16, TFS(&flags_set_truth), EXTENDED_DATA_MFLAG_MULTI, "", HFILL }, }, { &hf_aim_rendezvous_extended_data_message_status_code, { "Status Code", "aim_messaging.icbm.extended_data.message.status_code", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }, }, { &hf_aim_rendezvous_extended_data_message_priority_code, { "Priority Code", "aim_messaging.icbm.extended_data.message.priority_code", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }, }, { &hf_aim_rendezvous_extended_data_message_text_length, { "Text Length", "aim_messaging.icbm.extended_data.message.text_length", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }, }, { &hf_aim_rendezvous_extended_data_message_text, { "Text", "aim_messaging.icbm.extended_data.message.text", FT_STRING, BASE_HEX, NULL, 0x0, "", HFILL }, } }; /* Setup protocol subtree array */ static gint *ett[] = { &ett_aim_messaging, &ett_aim_rendezvous_data, &ett_aim_extended_data, &ett_aim_extended_data_message_flags }; /* Register the protocol name and description */ proto_aim_messaging = proto_register_protocol("AIM Messaging", "AIM Messaging", "aim_messaging"); /* Required function calls to register the header fields and subtrees used */ proto_register_field_array(proto_aim_messaging, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); } void proto_reg_handoff_aim_messaging(void) { aim_init_family(proto_aim_messaging, ett_aim_messaging, FAMILY_MESSAGING, aim_fnac_family_messaging); }