/* packet-aim-ssi.c * Routines for AIM Instant Messenger (OSCAR) dissection, SNAC SSI * Copyright 2004, Jelmer Vernooij * Copyright 2000, Ralf Hoelzer * * $Id: packet-aim-ssi.c,v 1.1 2004/03/23 06:21:17 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_SSI 0x0013 /* Family Server-Stored Buddy Lists */ #define FAMILY_SSI_ERROR 0x0001 #define FAMILY_SSI_REQRIGHTS 0x0002 #define FAMILY_SSI_RIGHTSINFO 0x0003 #define FAMILY_SSI_REQLIST_FIRSTTIME 0x0004 #define FAMILY_SSI_REQLIST 0x0005 #define FAMILY_SSI_LIST 0x0006 #define FAMILY_SSI_ACTIVATE 0x0007 #define FAMILY_SSI_ADD 0x0008 #define FAMILY_SSI_MOD 0x0009 #define FAMILY_SSI_DEL 0x000a #define FAMILY_SSI_SRVACK 0x000e #define FAMILY_SSI_NOLIST 0x000f #define FAMILY_SSI_EDITSTART 0x0011 #define FAMILY_SSI_EDITSTOP 0x0012 #define FAMILY_SSI_GRANT_FUTURE_AUTH 0x0014 #define FAMILY_SSI_FUTUR_AUTH_GRANTED 0x0015 #define FAMILY_SSI_SEND_AUTH_REQ 0x0018 #define FAMILY_SSI_AUTH_REQ 0x0019 #define FAMILY_SSI_SEND_AUTH_REPLY 0x001a #define FAMILY_SSI_AUTH_REPLY 0x001b #define FAMILY_SSI_WAS_ADDED 0x001c static const value_string aim_fnac_family_ssi[] = { { FAMILY_SSI_ERROR, "Error" }, { FAMILY_SSI_REQRIGHTS, "Request Rights" }, { FAMILY_SSI_RIGHTSINFO, "Rights Info" }, { FAMILY_SSI_REQLIST_FIRSTTIME, "Request List (first time)" }, { FAMILY_SSI_REQLIST, "Request List" }, { FAMILY_SSI_LIST, "List" }, { FAMILY_SSI_ACTIVATE, "Activate" }, { FAMILY_SSI_ADD, "Add Buddy" }, { FAMILY_SSI_MOD, "Modify Buddy" }, { FAMILY_SSI_DEL, "Delete Buddy" }, { FAMILY_SSI_SRVACK, "Server Ack" }, { FAMILY_SSI_NOLIST, "No List" }, { FAMILY_SSI_EDITSTART, "Edit Start" }, { FAMILY_SSI_EDITSTOP, "Edit Stop" }, { FAMILY_SSI_GRANT_FUTURE_AUTH, "Grant Future Authorization to Client" }, { FAMILY_SSI_FUTUR_AUTH_GRANTED, "Future Authorization Granted" }, { FAMILY_SSI_SEND_AUTH_REQ, "Send Authentication Request" }, { FAMILY_SSI_AUTH_REQ, "Authentication Request" }, { FAMILY_SSI_SEND_AUTH_REPLY, "Send Authentication Reply" }, { FAMILY_SSI_AUTH_REPLY, "Authentication Reply" }, { FAMILY_SSI_WAS_ADDED, "Remote User Added Client To List" }, { 0, NULL } }; #define FAMILY_SSI_TYPE_BUDDY 0x0000 #define FAMILY_SSI_TYPE_GROUP 0x0001 #define FAMILY_SSI_TYPE_PERMIT 0x0002 #define FAMILY_SSI_TYPE_DENY 0x0003 #define FAMILY_SSI_TYPE_PDINFO 0x0004 #define FAMILY_SSI_TYPE_PRESENCEPREFS 0x0005 #define FAMILY_SSI_TYPE_ICONINFO 0x0014 static const value_string aim_fnac_family_ssi_types[] = { { FAMILY_SSI_TYPE_BUDDY, "Buddy" }, { FAMILY_SSI_TYPE_GROUP, "Group" }, { FAMILY_SSI_TYPE_PERMIT, "Permit" }, { FAMILY_SSI_TYPE_DENY, "Deny" }, { FAMILY_SSI_TYPE_PDINFO, "PDINFO" }, { FAMILY_SSI_TYPE_PRESENCEPREFS, "Presence Preferences" }, { FAMILY_SSI_TYPE_ICONINFO, "Icon Info" }, { 0, NULL } }; static int dissect_aim_snac_ssi_list(tvbuff_t *tvb, packet_info *pinfo _U_, int offset, proto_tree *tree, guint16 subtype _U_); /* Initialize the protocol and registered fields */ static int proto_aim_ssi = -1; static int hf_aim_fnac_subtype_ssi_version = -1; static int hf_aim_fnac_subtype_ssi_numitems = -1; static int hf_aim_fnac_subtype_ssi_buddyname_len = -1; static int hf_aim_fnac_subtype_ssi_buddyname = -1; static int hf_aim_fnac_subtype_ssi_gid = -1; static int hf_aim_fnac_subtype_ssi_bid = -1; static int hf_aim_fnac_subtype_ssi_type = -1; static int hf_aim_fnac_subtype_ssi_tlvlen = -1; static int hf_aim_fnac_subtype_ssi_data = -1; /* Initialize the subtree pointers */ static gint ett_aim_ssi = -1; static gint ett_ssi = -1; static int dissect_aim_snac_ssi(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) { struct aiminfo *aiminfo = pinfo->private_data; int offset = 0; proto_item *ti = NULL; proto_tree *ssi_tree = NULL; if(tree) { ti = proto_tree_add_text(tree, tvb, 0, -1,"AIM Service Side Information Service"); ssi_tree = proto_item_add_subtree(ti, ett_ssi); } switch(aiminfo->subtype) { case FAMILY_SSI_ERROR: return dissect_aim_snac_error(tvb, pinfo, offset, ssi_tree); case FAMILY_SSI_LIST: return dissect_aim_snac_ssi_list(tvb, pinfo, offset, ssi_tree, aiminfo->subtype); /* FIXME */ default: return 0; } } static int dissect_aim_snac_ssi_list(tvbuff_t *tvb, packet_info *pinfo _U_, int offset, proto_tree *tree, guint16 subtype _U_) { guint16 buddyname_length = 0; guint16 tlv_len = 0; int endoffset; proto_item *ti; proto_tree *ssi_entry = NULL; /* SSI Version */ proto_tree_add_item(tree, hf_aim_fnac_subtype_ssi_version, tvb, offset, 1, FALSE); offset += 1; /* Number of items */ proto_tree_add_item(tree, hf_aim_fnac_subtype_ssi_numitems, tvb, offset, 2, FALSE); offset += 2; while (tvb_length_remaining(tvb, offset) > 4) { ti = proto_tree_add_text(tree, tvb, offset, tvb_get_ntohs(tvb, offset+10)+10, "SSI Entry"); ssi_entry = proto_item_add_subtree(ti, ett_aim_ssi); /* Buddy Name Length */ buddyname_length = tvb_get_ntohs(tvb, offset); proto_tree_add_item(ssi_entry, hf_aim_fnac_subtype_ssi_buddyname_len, tvb, offset, 2, FALSE); offset += 2; /* Buddy Name */ if (buddyname_length > 0) { proto_tree_add_item(ssi_entry, hf_aim_fnac_subtype_ssi_buddyname, tvb, offset, buddyname_length, FALSE); offset += buddyname_length; } /* Buddy group ID */ proto_tree_add_item(ssi_entry, hf_aim_fnac_subtype_ssi_gid, tvb, offset, 2, FALSE); offset += 2; /* Buddy ID */ proto_tree_add_item(ssi_entry, hf_aim_fnac_subtype_ssi_bid, tvb, offset, 2, FALSE); offset += 2; /* Buddy Type */ proto_tree_add_item(ssi_entry, hf_aim_fnac_subtype_ssi_type, tvb, offset, 2, FALSE); offset += 2; /* Size of the following TLV in bytes (as opposed to the number of TLV objects in the chain) */ tlv_len = tvb_get_ntohs(tvb, offset); proto_tree_add_item(ssi_entry, hf_aim_fnac_subtype_ssi_tlvlen, tvb, offset, 2, FALSE); offset += 2; endoffset = offset; /* For now, we just dump the TLV contents as-is, since there is not a TLV dissection utility that works based on total chain length */ while(endoffset < offset+tlv_len) { endoffset = dissect_aim_tlv(tvb, pinfo, endoffset, ssi_entry); } offset = endoffset; } return offset; } /* Register the protocol with Ethereal */ void proto_register_aim_ssi(void) { /* Setup list of header fields */ static hf_register_info hf[] = { { &hf_aim_fnac_subtype_ssi_version, { "SSI Version", "aim.fnac.ssi.version", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL } }, { &hf_aim_fnac_subtype_ssi_numitems, { "SSI Object count", "aim.fnac.ssi.numitems", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL } }, { &hf_aim_fnac_subtype_ssi_buddyname_len, { "SSI Buddy Name length", "aim.fnac.ssi.buddyname_len", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL } }, { &hf_aim_fnac_subtype_ssi_buddyname, { "Buddy Name", "aim.fnac.ssi.buddyname", FT_STRING, BASE_NONE, NULL, 0x0, "", HFILL } }, { &hf_aim_fnac_subtype_ssi_gid, { "SSI Buddy Group ID", "aim.fnac.ssi.gid", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL } }, { &hf_aim_fnac_subtype_ssi_bid, { "SSI Buddy ID", "aim.fnac.ssi.bid", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL } }, { &hf_aim_fnac_subtype_ssi_type, { "SSI Buddy type", "aim.fnac.ssi.type", FT_UINT16, BASE_HEX, VALS(aim_fnac_family_ssi_types), 0x0, "", HFILL } }, { &hf_aim_fnac_subtype_ssi_tlvlen, { "SSI TLV Len", "aim.fnac.ssi.tlvlen", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL } }, { &hf_aim_fnac_subtype_ssi_data, { "SSI Buddy Data", "aim.fnac.ssi.data", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL } }, }; /* Setup protocol subtree array */ static gint *ett[] = { &ett_aim_ssi, &ett_ssi, }; /* Register the protocol name and description */ proto_aim_ssi = proto_register_protocol("AIM Server Side Info", "AIM SSI", "aim_ssi"); /* Required function calls to register the header fields and subtrees used */ proto_register_field_array(proto_aim_ssi, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); } void proto_reg_handoff_aim_ssi(void) { dissector_handle_t aim_handle; aim_handle = new_create_dissector_handle(dissect_aim_snac_ssi, proto_aim_ssi); dissector_add("aim.family", FAMILY_SSI, aim_handle); aim_init_family(FAMILY_SSI, "SSI", aim_fnac_family_ssi); }