epan/dissectors/packet-aim-bos.c

   1 /* packet-aim-bos.c
   2  * Routines for AIM (OSCAR) dissection, SNAC BOS
   3  * Copyright 2004, Jelmer Vernooij <jelmer@samba.org>
   4  *
   5  * $Id$
   6  *
   7  * Wireshark - Network traffic analyzer
   8  * By Gerald Combs <gerald@wireshark.org>
   9  * Copyright 1998 Gerald Combs
  10  *
  11  * This program is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License
  13  * as published by the Free Software Foundation; either version 2
  14  * of the License, or (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  24  */
  25
  26 #include "config.h"
  27
  28 #include <glib.h>
  29
  30 #include <epan/packet.h>
  31
  32 #include "packet-aim.h"
  33
  34 void proto_register_aim_bos(void);
  35 void proto_reg_handoff_aim_bos(void);
  36
  37 #define FAMILY_BOS        0x0009
  38
  39 /* Family BOS (Misc) */
  40
  41 #define CLASS_UNCONFIRMED                        0x0001
  42 #define CLASS_ADMINISTRATOR                      0x0002
  43 #define CLASS_AOL                                    0x0004
  44 #define CLASS_COMMERCIAL                         0x0008
  45 #define CLASS_FREE                                   0x0010
  46 #define CLASS_AWAY                                   0x0020
  47 #define CLASS_ICQ                                    0x0040
  48 #define CLASS_WIRELESS                   0x0080
  49 #define CLASS_UNKNOWN100                     0x0100
  50 #define CLASS_UNKNOWN200                     0x0200
  51 #define CLASS_UNKNOWN400                     0x0400
  52 #define CLASS_UNKNOWN800                     0x0800
  53
  54 #define AIM_PRIVACY_TLV_MAX_VISIB_LIST_SIZE             0x001
  55 #define AIM_PRIVACY_TLV_MAX_INVISIB_LIST_SIZE   0x002
  56
  57 static const aim_tlv aim_privacy_tlvs[] = {
  58         { AIM_PRIVACY_TLV_MAX_VISIB_LIST_SIZE, "Max visible list size", dissect_aim_tlv_value_uint16 },
  59         { AIM_PRIVACY_TLV_MAX_INVISIB_LIST_SIZE, "Max invisible list size", dissect_aim_tlv_value_uint16 },
  60         { 0, NULL, NULL },
  61 };
  62
  63 /* Initialize the protocol and registered fields */
  64 static int proto_aim_bos = -1;
  65 /* static int hf_aim_bos_data = -1; */
  66 static int hf_aim_bos_class = -1;
  67
  68 /* Initialize the subtree pointers */
  69 static gint ett_aim_bos      = -1;
  70
  71 static int dissect_aim_bos_set_group_perm(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *bos_tree)
  72 {
  73         int offset = 0;
  74         guint32 userclass = tvb_get_ntohl(tvb, offset);
  75         proto_item *ti = proto_tree_add_uint(bos_tree, hf_aim_bos_class, tvb, offset, 4, userclass);
  76         return dissect_aim_userclass(tvb, offset, 4, ti, userclass);
  77 }
  78
  79 static int dissect_aim_bos_rights(tvbuff_t *tvb, packet_info *pinfo, proto_tree *bos_tree)
  80 {
  81         return dissect_aim_tlv_sequence(tvb, pinfo, 0, bos_tree, aim_privacy_tlvs);
  82 }
  83
  84 static int dissect_aim_bos_buddyname(tvbuff_t *tvb, packet_info *pinfo, proto_tree *bos_tree)
  85 {
  86         int offset = 0;
  87         while(tvb_reported_length_remaining(tvb, offset) > 0) {
  88                 offset = dissect_aim_buddyname(tvb, pinfo, offset, bos_tree);
  89         }
  90         return offset;
  91 }
  92
  93 /* Register the protocol with Wireshark */
  94 void
  95 proto_register_aim_bos(void)
  96 {
  97
  98         /* Setup list of header fields */
  99         static hf_register_info hf[] = {
 100 #if 0
 101                 { &hf_aim_bos_data,
 102                         { "Data", "aim_bos.data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }
 103                 },
 104 #endif
 105                 { &hf_aim_bos_class,
 106                         { "User class", "aim_bos.userclass", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL },
 107                 },
 108         };
 109
 110         /* Setup protocol subtree array */
 111         static gint *ett[] = {
 112                 &ett_aim_bos,
 113         };
 114
 115         /* Register the protocol name and description */
 116         proto_aim_bos = proto_register_protocol("AIM Privacy Management Service", "AIM BOS", "aim_bos");
 117
 118         /* Required function calls to register the header fields and subtrees used */
 119         proto_register_field_array(proto_aim_bos, hf, array_length(hf));
 120         proto_register_subtree_array(ett, array_length(ett));
 121 }
 122
 123 static const aim_subtype aim_fnac_family_bos[] = {
 124         { 0x0001, "Error", dissect_aim_snac_error },
 125         { 0x0002, "Rights Query", NULL },
 126         { 0x0003, "Rights" , dissect_aim_bos_rights },
 127         { 0x0004, "Set Group Permissions Mask", dissect_aim_bos_set_group_perm },
 128         { 0x0005, "Add To Visible List", dissect_aim_bos_buddyname },
 129         { 0x0006, "Delete From Visible List", dissect_aim_bos_buddyname },
 130         { 0x0007, "Add To Invisible List", dissect_aim_bos_buddyname },
 131         { 0x0008, "Delete From Invisible List", dissect_aim_bos_buddyname },
 132         { 0, NULL, NULL }
 133 };
 134
 135 void
 136 proto_reg_handoff_aim_bos(void)
 137 {
 138         aim_init_family(proto_aim_bos, ett_aim_bos, FAMILY_BOS, aim_fnac_family_bos);
 139 }