![Guy Harris](/assets/img/avatar_default.png)
exception to be thrown if all the data for the icon isn't there, so the packet gets marked as incomplete. svn path=/trunk/; revision=19865
200 lines
5.6 KiB
C
200 lines
5.6 KiB
C
/* packet-aim-sst.c
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* Routines for AIM (OSCAR) dissection, SNAC Server Stored Themes
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* Copyright 2004, Jelmer Vernooij <jelmer@samba.org>
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*
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* $Id$
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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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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <glib.h>
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#include <epan/packet.h>
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#include <epan/strutil.h>
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#include "packet-aim.h"
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#define FAMILY_SST 0x0010
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/* Initialize the protocol and registered fields */
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static int proto_aim_sst = -1;
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static int hf_aim_sst_unknown = -1;
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static int hf_aim_sst_md5_hash = -1;
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static int hf_aim_sst_md5_hash_size = -1;
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static int hf_aim_sst_ref_num = -1;
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static int hf_aim_sst_icon_size = -1;
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static int hf_aim_sst_icon = -1;
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/* Initialize the subtree pointers */
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static gint ett_aim_sst = -1;
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static int dissect_aim_sst_buddy_down_req (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
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{
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int offset = dissect_aim_buddyname(tvb, pinfo, 0, tree);
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guint8 md5_size;
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proto_tree_add_item(tree, hf_aim_sst_unknown, tvb, offset, 4, FALSE);
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offset+=4;
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proto_tree_add_item(tree, hf_aim_sst_md5_hash_size, tvb, offset, 1, FALSE);
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md5_size = tvb_get_guint8(tvb, offset);
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offset++;
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proto_tree_add_item(tree, hf_aim_sst_md5_hash, tvb, offset, md5_size, FALSE);
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offset+=md5_size;
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return offset;
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}
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static int dissect_aim_sst_buddy_down_repl (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
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{
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int offset = dissect_aim_buddyname(tvb, pinfo, 0, tree);
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guint8 md5_size;
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guint16 icon_size;
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proto_tree_add_item(tree, hf_aim_sst_unknown, tvb, offset, 3, FALSE);
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offset+=3;
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proto_tree_add_item(tree, hf_aim_sst_md5_hash_size, tvb, offset, 1, FALSE);
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md5_size = tvb_get_guint8(tvb, offset);
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offset++;
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proto_tree_add_item(tree, hf_aim_sst_md5_hash, tvb, offset, md5_size, FALSE);
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offset+=md5_size;
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proto_tree_add_item(tree, hf_aim_sst_icon_size, tvb, offset, 2, FALSE);
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icon_size = tvb_get_ntohs(tvb, offset);
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offset+=2;
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if (icon_size)
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{
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proto_tree_add_item(tree, hf_aim_sst_icon, tvb, offset, icon_size, FALSE);
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}
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offset+=icon_size;
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return offset;
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}
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static int dissect_aim_sst_buddy_up_repl (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
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{
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int offset = 0;
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guint8 md5_size;
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proto_tree_add_item(tree, hf_aim_sst_unknown, tvb, offset, 4, FALSE);
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offset+=4;
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proto_tree_add_item(tree, hf_aim_sst_md5_hash_size, tvb, offset, 1, FALSE);
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md5_size = tvb_get_guint8(tvb, offset);
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offset++;
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proto_tree_add_item(tree, hf_aim_sst_md5_hash, tvb, offset, md5_size, FALSE);
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offset+=md5_size;
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return offset;
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}
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static int dissect_aim_sst_buddy_up_req (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
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{
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int offset = 0;
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guint16 icon_size;
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proto_tree_add_item(tree, hf_aim_sst_ref_num, tvb, offset, 2, FALSE);
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offset+=2;
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proto_tree_add_item(tree, hf_aim_sst_icon_size, tvb, offset, 2, FALSE);
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icon_size = tvb_get_ntohs(tvb, offset);
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offset+=2;
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if (icon_size)
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{
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proto_tree_add_item(tree, hf_aim_sst_icon, tvb, offset, icon_size, FALSE);
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}
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offset+=icon_size;
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return offset;
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}
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static const aim_subtype aim_fnac_family_sst[] = {
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{ 0x0001, "Error", dissect_aim_snac_error },
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{ 0x0002, "Upload Buddy Icon Request", dissect_aim_sst_buddy_up_req },
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{ 0x0003, "Upload Buddy Icon Reply", dissect_aim_sst_buddy_up_repl },
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{ 0x0004, "Download Buddy Icon Request", dissect_aim_sst_buddy_down_req },
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{ 0x0005, "Download Buddy Icon Reply", dissect_aim_sst_buddy_down_repl },
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{ 0, NULL, NULL }
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};
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/* Register the protocol with Wireshark */
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void
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proto_register_aim_sst(void)
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{
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/* Setup list of header fields */
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static hf_register_info hf[] = {
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{ &hf_aim_sst_md5_hash,
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{ "MD5 Hash", "aim.sst.md5", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL },
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},
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{ &hf_aim_sst_md5_hash_size,
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{ "MD5 Hash Size", "aim.sst.md5.size", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL },
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},
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{ &hf_aim_sst_unknown,
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{ "Unknown Data", "aim.sst.unknown", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL },
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},
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{ &hf_aim_sst_ref_num,
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{ "Reference Number", "aim.sst.ref_num", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL },
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},
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{ &hf_aim_sst_icon_size,
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{ "Icon Size", "aim.sst.icon_size", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL },
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},
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{ &hf_aim_sst_icon,
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{ "Icon", "aim.sst.icon", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL },
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},
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};
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/* Setup protocol subtree array */
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static gint *ett[] = {
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&ett_aim_sst,
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};
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/* Register the protocol name and description */
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proto_aim_sst = proto_register_protocol("AIM Server Side Themes", "AIM SST", "aim_sst");
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/* Required function calls to register the header fields and subtrees used */
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proto_register_field_array(proto_aim_sst, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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}
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void
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proto_reg_handoff_aim_sst(void)
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{
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aim_init_family(proto_aim_sst, ett_aim_sst, FAMILY_SST, aim_fnac_family_sst);
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}
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