/* 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: packet-aim-messaging.c,v 1.6 2004/05/05 09:30:56 guy Exp $ * * Ethereal - 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 /* Family Messaging Service */ #define FAMILY_MESSAGING_ERROR 0x0001 #define FAMILY_MESSAGING_SETICBMPARAM 0x0002 #define FAMILY_MESSAGING_RESETICBMPARAM 0x0003 #define FAMILY_MESSAGING_REQPARAMINFO 0x0004 #define FAMILY_MESSAGING_PARAMINFO 0x0005 #define FAMILY_MESSAGING_OUTGOING 0x0006 #define FAMILY_MESSAGING_INCOMING 0x0007 #define FAMILY_MESSAGING_EVILREQ 0x0008 #define FAMILY_MESSAGING_EVIL 0x0009 #define FAMILY_MESSAGING_MISSEDCALL 0x000a #define FAMILY_MESSAGING_CLIENTAUTORESP 0x000b #define FAMILY_MESSAGING_ACK 0x000c #define FAMILY_MESSAGING_MINITYPING 0x0014 #define FAMILY_MESSAGING_DEFAULT 0xffff static const value_string aim_fnac_family_messaging[] = { { FAMILY_MESSAGING_ERROR, "Error" }, { FAMILY_MESSAGING_SETICBMPARAM, "Set ICBM Parameter" }, { FAMILY_MESSAGING_RESETICBMPARAM, "Reset ICBM Parameter" }, { FAMILY_MESSAGING_REQPARAMINFO, "Request Parameter Info" }, { FAMILY_MESSAGING_PARAMINFO, "Parameter Info" }, { FAMILY_MESSAGING_INCOMING, "Incoming" }, { FAMILY_MESSAGING_OUTGOING, "Outgoing" }, { FAMILY_MESSAGING_EVILREQ, "Evil Request" }, { FAMILY_MESSAGING_EVIL, "Evil Response" }, { FAMILY_MESSAGING_MISSEDCALL, "Missed Call" }, { FAMILY_MESSAGING_CLIENTAUTORESP, "Client Auto Response" }, { FAMILY_MESSAGING_ACK, "Acknowledge" }, { FAMILY_MESSAGING_MINITYPING, "Mini Typing Notifications (MTN)" }, { FAMILY_MESSAGING_DEFAULT, "Messaging Default" }, { 0, NULL } }; #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_bytes }, { 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, "Unknown", NULL } }; #define MINITYPING_FINISHED_SIGN 0x0000 #define MINITYPING_TEXT_TYPED_SIGN 0x0001 #define MINITYPING_BEGUN_SIGN 0x0002 static const value_string minityping_type[] = { {MINITYPING_FINISHED_SIGN, "Typing finished sign" }, {MINITYPING_TEXT_TYPED_SIGN, "Text typed sign" }, {MINITYPING_BEGUN_SIGN, "Typing begun sign" }, {0, NULL } }; #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_unknown = -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; /* Initialize the subtree pointers */ static gint ett_aim_messaging = -1; static int dissect_aim_messaging(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { guint8 buddyname_length = 0; char buddyname[MAX_BUDDYNAME_LENGTH + 1]; guchar msg[1000]; int offset = 0; struct aiminfo *aiminfo = pinfo->private_data; proto_item *ti = NULL; proto_tree *msg_tree = NULL; if(tree) { ti = proto_tree_add_text(tree, tvb, 0, -1,"AIM Messaging Service"); msg_tree = proto_item_add_subtree(ti, ett_aim_messaging); } switch(aiminfo->subtype) { case FAMILY_MESSAGING_ERROR: return dissect_aim_snac_error(tvb, pinfo, offset, msg_tree); case FAMILY_MESSAGING_RESETICBMPARAM: case FAMILY_MESSAGING_REQPARAMINFO: /* No data */ return 0; case FAMILY_MESSAGING_OUTGOING: /* Unknown */ offset += 10; buddyname_length = aim_get_buddyname( buddyname, tvb, offset, offset + 1 ); /* Buddyname length */ offset += 1; /* djh - My test suggest that this is broken. Need to give this a closer look @@@@@@@@@ */ aim_get_message( msg, tvb, 36 + buddyname_length, tvb_length(tvb) - 36 - buddyname_length ); if (check_col(pinfo->cinfo, COL_INFO)) { col_append_fstr(pinfo->cinfo, COL_INFO, "to: %s", buddyname); col_append_fstr(pinfo->cinfo, COL_INFO, " -> %s", msg); } if(msg_tree) { proto_tree_add_text(msg_tree, tvb, 27, buddyname_length, "Screen Name: %s", buddyname); } return offset; case FAMILY_MESSAGING_INCOMING: /* 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); offset += 2; offset = dissect_aim_userinfo(tvb, pinfo, offset, msg_tree); while(tvb_reported_length_remaining(tvb, offset) > 0) { offset = dissect_aim_tlv(tvb, pinfo, offset, msg_tree, messaging_incoming_ch1_tlvs); } return offset; case FAMILY_MESSAGING_SETICBMPARAM: case FAMILY_MESSAGING_PARAMINFO: 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, 2, tvb_get_ntohs(tvb, offset)); offset+=2; proto_tree_add_item(msg_tree, hf_aim_icbm_unknown, tvb, offset, 2, tvb_get_ntohs(tvb, offset)); offset+=2; return offset; case FAMILY_MESSAGING_EVILREQ: 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, tree); case FAMILY_MESSAGING_EVIL: 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; case FAMILY_MESSAGING_MINITYPING: 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; case FAMILY_MESSAGING_MISSEDCALL: case FAMILY_MESSAGING_CLIENTAUTORESP: case FAMILY_MESSAGING_ACK: /*FIXME*/ default: return 0; } } /* Register the protocol with Ethereal */ void proto_register_aim_messaging(void) { /* Setup list of header fields */ static hf_register_info hf[] = { { &hf_aim_icbm_channel, { "Channel to setup", "aim.icbm.channel", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL }, }, { &hf_aim_icbm_msg_flags, { "Message Flags", "aim.icbm.flags", FT_UINT32, BASE_HEX, NULL, 0x0, "", HFILL }, }, { &hf_aim_icbm_max_snac_size, { "Max SNAC Size", "aim.icbm.max_snac", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL }, }, { &hf_aim_icbm_max_sender_warnlevel, { "Max sender warn level", "aim.icbm.max_sender_warn-level", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL }, }, { &hf_aim_icbm_max_receiver_warnlevel, { "max receiver warn level", "aim.icbm.max_receiver_warnlevel", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL }, }, { &hf_aim_icbm_min_msg_interval, { "Minimum message interval (seconds)", "aim.icbm.min_msg_interval", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL }, }, { &hf_aim_icbm_unknown, { "Unknown parameter", "aim.icbm.unknown", FT_UINT16, BASE_HEX, 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.evilreq.origin", FT_UINT16, BASE_DEC, VALS(evil_origins), 0x0, "", HFILL }, }, { &hf_aim_evil_warn_level, { "Old warning level", "aim.evil.warn_level", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }, }, { &hf_aim_evil_new_warn_level, { "New warning level", "aim.evil.new_warn_level", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }, }, { &hf_aim_icbm_notification_cookie, { "Notification Cookie", "aim.notification.cookie", FT_BYTES, BASE_DEC, NULL, 0x0, "", HFILL }, }, { &hf_aim_icbm_notification_channel, { "Notification Channel", "aim.notification.channel", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }, }, { &hf_aim_icbm_notification_type, { "Notification Type", "aim.notification.type", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }, }, }; /* Setup protocol subtree array */ static gint *ett[] = { &ett_aim_messaging, }; /* 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) { dissector_handle_t aim_handle; aim_handle = new_create_dissector_handle(dissect_aim_messaging, proto_aim_messaging); dissector_add("aim.family", FAMILY_MESSAGING, aim_handle); aim_init_family(FAMILY_MESSAGING, "Messaging", aim_fnac_family_messaging); }