diff options
Diffstat (limited to 'epan/dissectors/packet-aim-buddylist.c')
| -rw-r--r-- | epan/dissectors/packet-aim-buddylist.c | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/epan/dissectors/packet-aim-buddylist.c b/epan/dissectors/packet-aim-buddylist.c new file mode 100644 index 0000000000..2a2cbe2bda --- /dev/null +++ b/epan/dissectors/packet-aim-buddylist.c @@ -0,0 +1,235 @@ +/* packet-aim-buddylist.c + * Routines for AIM Instant Messenger (OSCAR) dissection, SNAC Buddylist + * Copyright 2004, Jelmer Vernooij <jelmer@samba.org> + * + * $Id$ + * + * Ethereal - Network traffic analyzer + * By Gerald Combs <gerald@ethereal.com> + * 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 <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> + +#include <glib.h> + +#include <epan/packet.h> +#include <epan/strutil.h> + +#include "packet-aim.h" +#include "prefs.h" + +#define FAMILY_BUDDYLIST 0x0003 + +/* Family Buddy List */ +#define FAMILY_BUDDYLIST_ERROR 0x0001 +#define FAMILY_BUDDYLIST_REQRIGHTS 0x0002 +#define FAMILY_BUDDYLIST_RIGHTSINFO 0x0003 +#define FAMILY_BUDDYLIST_ADDBUDDY 0x0004 +#define FAMILY_BUDDYLIST_REMBUDDY 0x0005 +#define FAMILY_BUDDYLIST_WATCHERS_REQ 0x0006 +#define FAMILY_BUDDYLIST_WATCHERS_REP 0x0007 +#define FAMILY_BUDDYLIST_REJECT 0x000a +#define FAMILY_BUDDYLIST_ONCOMING 0x000b +#define FAMILY_BUDDYLIST_OFFGOING 0x000c +#define FAMILY_BUDDYLIST_DEFAULT 0xffff + +static const value_string aim_fnac_family_buddylist[] = { + { FAMILY_BUDDYLIST_ERROR, "Error" }, + { FAMILY_BUDDYLIST_REQRIGHTS, "Request Rights" }, + { FAMILY_BUDDYLIST_RIGHTSINFO, "Rights Info" }, + { FAMILY_BUDDYLIST_ADDBUDDY, "Add Buddy" }, + { FAMILY_BUDDYLIST_REMBUDDY, "Remove Buddy" }, + { FAMILY_BUDDYLIST_REJECT, "Reject Buddy" }, + { FAMILY_BUDDYLIST_ONCOMING, "Oncoming Buddy" }, + { FAMILY_BUDDYLIST_OFFGOING, "Offgoing Buddy" }, + { FAMILY_BUDDYLIST_DEFAULT, "Buddy Default" }, + { 0, NULL } +}; + +#define AIM_BUDDYLIST_TLV_MAX_CONTACT_ENTRIES 0x0001 +#define AIM_BUDDYLIST_TLV_MAX_WATCHER_ENTRIES 0x0002 +#define AIM_BUDDYLIST_TLV_MAX_ONLINE_NOTIFICATIONS 0x0003 + +const aim_tlv buddylist_tlvs[] = { + { AIM_BUDDYLIST_TLV_MAX_CONTACT_ENTRIES, "Max number of contact list entries", dissect_aim_tlv_value_uint16 }, + { AIM_BUDDYLIST_TLV_MAX_WATCHER_ENTRIES, "Max number of watcher list entries", dissect_aim_tlv_value_uint16 }, + { AIM_BUDDYLIST_TLV_MAX_ONLINE_NOTIFICATIONS, "Max online notifications", dissect_aim_tlv_value_uint16 }, + {0, NULL, NULL } +}; + + +/* Initialize the protocol and registered fields */ +static int proto_aim_buddylist = -1; +static int hf_aim_buddyname_len = -1; +static int hf_aim_buddyname = -1; +static int hf_aim_userinfo_warninglevel = -1; +static int hf_aim_userinfo_tlvcount = -1; + +/* Initialize the subtree pointers */ +static gint ett_aim_buddylist = -1; + +static int dissect_aim_snac_buddylist(tvbuff_t *tvb, packet_info *pinfo, + proto_tree *tree) +{ + guint8 buddyname_length = 0; + char buddyname[MAX_BUDDYNAME_LENGTH + 1]; + guint16 tlv_count = 0; + struct aiminfo *aiminfo = pinfo->private_data; + int offset = 0; + proto_item *ti; + proto_tree *buddy_tree = NULL; + + if(tree) { + ti = proto_tree_add_text(tree, tvb, 0, -1, "Buddy List Service"); + buddy_tree = proto_item_add_subtree(ti, ett_aim_buddylist); + } + + + switch(aiminfo->subtype) + { + case FAMILY_BUDDYLIST_REQRIGHTS: + case FAMILY_BUDDYLIST_WATCHERS_REQ: + /* No data */ + return 0; + case FAMILY_BUDDYLIST_REMBUDDY: + case FAMILY_BUDDYLIST_ADDBUDDY: + case FAMILY_BUDDYLIST_WATCHERS_REP: + while(tvb_length_remaining(tvb, offset) > 0) { + offset = dissect_aim_buddyname( tvb, pinfo, offset, buddy_tree); + } + return offset; + case FAMILY_BUDDYLIST_ERROR: + return dissect_aim_snac_error(tvb, pinfo, offset, buddy_tree); + case FAMILY_BUDDYLIST_RIGHTSINFO: + while(tvb_length_remaining(tvb, offset) > 0) { + offset = dissect_aim_tlv( tvb, pinfo, offset, buddy_tree, buddylist_tlvs); + } + return offset; + case FAMILY_BUDDYLIST_REJECT: + return dissect_aim_buddyname(tvb, pinfo, offset, buddy_tree); + case FAMILY_BUDDYLIST_ONCOMING: + buddyname_length = aim_get_buddyname( buddyname, tvb, offset, offset + 1 ); + + if (check_col(pinfo->cinfo, COL_INFO)) { + col_add_fstr(pinfo->cinfo, COL_INFO, "Oncoming Buddy"); + col_append_fstr(pinfo->cinfo, COL_INFO, ": %s", + format_text(buddyname, buddyname_length)); + } + + if (buddy_tree) { + proto_tree_add_text(buddy_tree, tvb, offset + 1, buddyname_length, + "Screen Name: %s", + format_text(buddyname, buddyname_length)); + } + offset += buddyname_length + 1; + + /* Warning level */ + proto_tree_add_item(buddy_tree, hf_aim_userinfo_warninglevel, tvb, offset, + 2, FALSE); + offset += 2; + + /* TLV Count */ + tlv_count = tvb_get_ntohs(tvb, offset); + proto_tree_add_item(buddy_tree, hf_aim_userinfo_tlvcount, tvb, offset, + 2, FALSE); + offset += 2; + + while (tvb_length_remaining(tvb, offset) > 0) { + offset = dissect_aim_tlv(tvb, pinfo, offset, buddy_tree, onlinebuddy_tlvs); + } + + return offset; + + case FAMILY_BUDDYLIST_OFFGOING: + buddyname_length = aim_get_buddyname( buddyname, tvb, offset, offset + 1 ); + + if (check_col(pinfo->cinfo, COL_INFO)) { + col_add_fstr(pinfo->cinfo, COL_INFO, "Offgoing Buddy"); + col_append_fstr(pinfo->cinfo, COL_INFO, ": %s", + format_text(buddyname, buddyname_length)); + } + + if (buddy_tree) { + proto_tree_add_text(buddy_tree, tvb, offset + 1, buddyname_length, + "Screen Name: %s", + format_text(buddyname, buddyname_length)); + } + offset += buddyname_length + 1; + + /* Warning level */ + proto_tree_add_item(buddy_tree, hf_aim_userinfo_warninglevel, tvb, offset, + 2, FALSE); + offset += 2; + + return dissect_aim_tlv_list(tvb, pinfo, offset, buddy_tree, onlinebuddy_tlvs); + default: + return 0; + } +} + + +/* Register the protocol with Ethereal */ +void +proto_register_aim_buddylist(void) +{ + +/* Setup list of header fields */ + static hf_register_info hf[] = { + { &hf_aim_buddyname_len, + { "Buddyname len", "aim.buddynamelen", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } + }, + { &hf_aim_buddyname, + { "Buddy Name", "aim.buddyname", FT_STRING, BASE_NONE, NULL, 0x0, "", HFILL } + }, + { &hf_aim_userinfo_warninglevel, + { "Warning Level", "aim.userinfo.warninglevel", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }, + }, + { &hf_aim_userinfo_tlvcount, + { "TLV Count", "aim.userinfo.tlvcount", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }, + }, + }; + +/* Setup protocol subtree array */ + static gint *ett[] = { + &ett_aim_buddylist, + }; + +/* Register the protocol name and description */ + proto_aim_buddylist = proto_register_protocol("AIM Buddylist Service", "AIM Buddylist", "aim_buddylist"); + +/* Required function calls to register the header fields and subtrees used */ + proto_register_field_array(proto_aim_buddylist, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); +} + +void +proto_reg_handoff_aim_buddylist(void) +{ + dissector_handle_t aim_handle; + + aim_handle = new_create_dissector_handle(dissect_aim_snac_buddylist, proto_aim_buddylist); + dissector_add("aim.family", FAMILY_BUDDYLIST, aim_handle); + aim_init_family(FAMILY_BUDDYLIST, "Buddylist", aim_fnac_family_buddylist); +} |