epan/dissectors/packet-aim-generic.c

   1 /* packet-aim-generic.c
   2  * Routines for AIM Instant Messenger (OSCAR) dissection, SNAC Family Generic
   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_generic(void);
  35 void proto_reg_handoff_aim_generic(void);
  36
  37 #define STRIP_TAGS 1
  38
  39 /* SNAC families */
  40 #define FAMILY_GENERIC    0x0001
  41
  42
  43 #define FAMILY_GENERIC_MOTD_MOTDTYPE_MDT_UPGRADE       0x0001
  44 #define FAMILY_GENERIC_MOTD_MOTDTYPE_ADV_UPGRADE       0x0002
  45 #define FAMILY_GENERIC_MOTD_MOTDTYPE_SYS_BULLETIN      0x0003
  46 #define FAMILY_GENERIC_MOTD_MOTDTYPE_NORMAL            0x0004
  47 #define FAMILY_GENERIC_MOTD_MOTDTYPE_NEWS              0x0006
  48
  49 static const value_string aim_snac_generic_motd_motdtypes[] = {
  50         { FAMILY_GENERIC_MOTD_MOTDTYPE_MDT_UPGRADE, "Mandatory Upgrade Needed Notice" },
  51         { FAMILY_GENERIC_MOTD_MOTDTYPE_ADV_UPGRADE, "Advisable Upgrade Notice" },
  52         { FAMILY_GENERIC_MOTD_MOTDTYPE_SYS_BULLETIN, "AIM/ICQ Service System Announcements" },
  53         { FAMILY_GENERIC_MOTD_MOTDTYPE_NORMAL, "Standard Notice" },
  54         { FAMILY_GENERIC_MOTD_MOTDTYPE_NEWS, "News from AOL service" },
  55         { 0, NULL }
  56 };
  57
  58 #define RATEINFO_STATE_LIMITED                  0x01
  59 #define RATEINFO_STATE_ALERT                    0x02
  60 #define RATEINFO_STATE_CLEAR                    0x03
  61
  62 static const value_string rateinfo_states[] = {
  63         { RATEINFO_STATE_LIMITED, "Limited" },
  64         { RATEINFO_STATE_ALERT, "Alert" },
  65         { RATEINFO_STATE_CLEAR, "Clear" },
  66         { 0, NULL }
  67 };
  68
  69 #define RATECHANGE_MSG_LIMIT_PARAMS_CHANGED      0x0001
  70 #define RATECHANGE_MSG_LIMIT_WARN                0x0002
  71 #define RATECHANGE_MSG_LIMIT_HIT                 0x0003
  72 #define RATECHANGE_MSG_LIMIT_CLEAR               0x0004
  73
  74 static const value_string ratechange_msgs[] = {
  75         { RATECHANGE_MSG_LIMIT_PARAMS_CHANGED, "Rate limits parameters changed" },
  76         { RATECHANGE_MSG_LIMIT_WARN, "Rate limits warning (current level < alert level)" },
  77         { RATECHANGE_MSG_LIMIT_HIT, "Rate limit hit (current level < limit level)" },
  78         { RATECHANGE_MSG_LIMIT_CLEAR, "Rate limit clear (current level now > clear level)" },
  79         { 0, NULL },
  80 };
  81
  82 #define EXT_STATUS_TYPE_BUDDY_ICON_0 0
  83 #define EXT_STATUS_TYPE_BUDDY_ICON_1 1
  84 #define EXT_STATUS_TYPE_AVAIL_MSG    2
  85 #define EXT_STATUS_TYPE_UNKNOWN          6
  86
  87 static const value_string ext_status_types[] = {
  88         { EXT_STATUS_TYPE_BUDDY_ICON_0, "Request to send buddy icon" },
  89         { EXT_STATUS_TYPE_BUDDY_ICON_1, "Request to send buddy icon" },
  90         { EXT_STATUS_TYPE_AVAIL_MSG, "Extended Status Update" },
  91         { 0, NULL },
  92 };
  93
  94 #define EXT_STATUS_FLAG_INITIAL_SEND    0x41
  95 #define EXT_STATUS_FLAG_RESEND                  0x81
  96
  97 static const value_string ext_status_flags[] = {
  98         { EXT_STATUS_FLAG_INITIAL_SEND, "First Send Request" },
  99         { EXT_STATUS_FLAG_RESEND,               "Request To Re-Send" },
 100         { 0, NULL },
 101 };
 102
 103 /* Initialize the protocol and registered fields */
 104 static int proto_aim_generic = -1;
 105 static int hf_generic_motd_motdtype = -1;
 106 static int hf_generic_servicereq_service = -1;
 107 static int hf_generic_rateinfo_numclasses = -1;
 108 static int hf_generic_rateinfo_windowsize = -1;
 109 static int hf_generic_rateinfo_clearlevel = -1;
 110 static int hf_generic_rateinfo_alertlevel = -1;
 111 static int hf_generic_rateinfo_limitlevel = -1;
 112 static int hf_generic_rateinfo_disconnectlevel = -1;
 113 static int hf_generic_rateinfo_currentlevel = -1;
 114 static int hf_generic_rateinfo_maxlevel = -1;
 115 static int hf_generic_rateinfo_lasttime = -1;
 116 static int hf_generic_rateinfo_curstate = -1;
 117 static int hf_generic_rateinfo_classid = -1;
 118 static int hf_generic_rateinfo_numpairs = -1;
 119 static int hf_generic_rateinfoack_group = -1;
 120 static int hf_generic_ratechange_msg    = -1;
 121 static int hf_generic_migration_numfams  = -1;
 122 static int hf_generic_priv_flags = -1;
 123 static int hf_generic_allow_idle_see = -1;
 124 static int hf_generic_allow_member_see = -1;
 125 static int hf_generic_selfinfo_warninglevel = -1;
 126 static int hf_generic_evil_new_warn_level = -1;
 127 static int hf_generic_idle_time = -1;
 128 static int hf_generic_client_ver_req_offset = -1;
 129 static int hf_generic_client_ver_req_length = -1;
 130 static int hf_generic_client_ver_req_hash = -1;
 131 static int hf_generic_ext_status_type = -1;
 132 static int hf_generic_ext_status_length = -1;
 133 static int hf_generic_ext_status_flags = -1;
 134 static int hf_generic_ext_status_data = -1;
 135
 136 /* Initialize the subtree pointers */
 137 static gint ett_generic_clientready = -1;
 138 static gint ett_generic_migratefamilies = -1;
 139 static gint ett_generic_clientready_item = -1;
 140 static gint ett_generic_serverready = -1;
 141 static gint ett_generic = -1;
 142 static gint ett_generic_priv_flags = -1;
 143 static gint ett_generic_rateinfo_class = -1;
 144 static gint ett_generic_rateinfo_classes = -1;
 145 static gint ett_generic_rateinfo_groups = -1;
 146 static gint ett_generic_rateinfo_group = -1;
 147
 148 static int dissect_rate_class(tvbuff_t *tvb, packet_info *pinfo _U_, int offset, proto_tree *class_tree)
 149 {
 150         proto_tree_add_uint(class_tree, hf_generic_rateinfo_classid, tvb, offset, 2, tvb_get_ntohs(tvb, offset));offset+=2;
 151         proto_tree_add_uint(class_tree, hf_generic_rateinfo_windowsize, tvb, offset, 4, tvb_get_ntohl(tvb, offset));offset+=4;
 152         proto_tree_add_uint(class_tree, hf_generic_rateinfo_clearlevel, tvb, offset, 4, tvb_get_ntohl(tvb, offset));offset+=4;
 153         proto_tree_add_uint(class_tree, hf_generic_rateinfo_alertlevel, tvb, offset, 4, tvb_get_ntohl(tvb, offset));offset+=4;
 154         proto_tree_add_uint(class_tree, hf_generic_rateinfo_limitlevel, tvb, offset, 4, tvb_get_ntohl(tvb, offset));offset+=4;
 155         proto_tree_add_uint(class_tree, hf_generic_rateinfo_disconnectlevel, tvb, offset, 4, tvb_get_ntohl(tvb, offset));offset+=4;
 156         proto_tree_add_uint(class_tree, hf_generic_rateinfo_currentlevel, tvb, offset, 4, tvb_get_ntohl(tvb, offset));offset+=4;
 157         proto_tree_add_uint(class_tree, hf_generic_rateinfo_maxlevel, tvb, offset, 4, tvb_get_ntohl(tvb, offset));offset+=4;
 158         proto_tree_add_uint(class_tree, hf_generic_rateinfo_lasttime, tvb, offset, 4, tvb_get_ntohl(tvb, offset));offset+=4;
 159         proto_tree_add_uint(class_tree, hf_generic_rateinfo_curstate, tvb, offset, 1, tvb_get_guint8(tvb, offset));offset+=1;
 160         return offset;
 161 }
 162
 163 static int dissect_generic_rateinfo(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
 164 {
 165         int offset = 0;
 166         guint16 i;
 167         proto_item *ti;
 168         guint16 numclasses = tvb_get_ntohs(tvb, 0);
 169         proto_tree *classes_tree = NULL, *groups_tree, *group_tree;
 170         proto_tree_add_uint(tree, hf_generic_rateinfo_numclasses, tvb, 0, 2, numclasses );
 171         offset+=2;
 172
 173         if(tree) {
 174                 /* sizeof(rate_class_struct) = 35 ! */
 175                 ti = proto_tree_add_text(tree, tvb, offset, 35 * numclasses, "Available Rate Classes");
 176                 classes_tree = proto_item_add_subtree(ti, ett_generic_rateinfo_classes);
 177         }
 178
 179         for(i = 0; i < numclasses; i++) {
 180                 guint16 myid = tvb_get_ntohs(tvb, offset);
 181                 proto_item *ti_local = proto_tree_add_text(classes_tree, tvb, offset, 35, "Rate Class 0x%02x", myid);
 182                 proto_tree *class_tree = proto_item_add_subtree(ti_local, ett_generic_rateinfo_class);
 183                 offset = dissect_rate_class(tvb, pinfo, offset, class_tree);
 184         }
 185
 186         ti = proto_tree_add_text(tree, tvb, offset, -1, "Rate Groups");
 187         groups_tree = proto_item_add_subtree(ti, ett_generic_rateinfo_groups);
 188
 189         for(i = 0; i < numclasses; i++) {
 190                 guint16 j;
 191                 guint16 myid = tvb_get_ntohs(tvb, offset);
 192                 guint16 numpairs = tvb_get_ntohs(tvb, offset + 2);
 193                 /*
 194                  * sizeof(rate_group) = sizeof(class_id) + sizeof(numpairs) + numpairs * 2 * sizeof(uint16_t)
 195                  *                    = 2 + 2 + numpairs * 4
 196                  */
 197                 proto_item *ti_local = proto_tree_add_text(groups_tree, tvb, offset, 4 + 4 * numpairs, "Rate Group 0x%02x", myid);
 198                 group_tree = proto_item_add_subtree(ti_local, ett_generic_rateinfo_group);
 199                 proto_tree_add_uint(group_tree, hf_generic_rateinfo_classid, tvb, offset, 2, myid);offset+=2;
 200                 proto_tree_add_uint(group_tree, hf_generic_rateinfo_numpairs, tvb, offset, 2, numpairs); offset+=2;
 201                 for(j = 0; j < numpairs; j++) {
 202                         guint16 family_id;
 203                         guint16 subtype_id;
 204                         const aim_family *family;
 205                         const aim_subtype *subtype;
 206                         family_id = tvb_get_ntohs(tvb, offset); offset+=2;
 207                         subtype_id = tvb_get_ntohs(tvb, offset); offset+=2;
 208
 209                         family = aim_get_family(family_id);
 210                         subtype = aim_get_subtype(family_id, subtype_id);
 211
 212                         proto_tree_add_text(group_tree, tvb, offset-4, 4, "Family: %s (0x%04x), Subtype: %s (0x%04x)", family?family->name:"Unknown", family_id, subtype?subtype->name:"Unknown", subtype_id);
 213                 }
 214         }
 215
 216         return offset;
 217 }
 218
 219 static int dissect_aim_generic_clientready(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *gen_tree)
 220 {
 221         int offset = 0;
 222         proto_item *ti = proto_tree_add_text(gen_tree, tvb, 0, tvb_length(tvb), "Supported services");
 223         proto_tree *entry = proto_item_add_subtree(ti, ett_generic_clientready);
 224
 225         while(tvb_length_remaining(tvb, offset) > 0) {
 226                 guint16 famnum = tvb_get_ntohs(tvb, offset);
 227                 const aim_family *family = aim_get_family(famnum);
 228
 229                 proto_tree *subentry;
 230                 ti = proto_tree_add_text(entry, tvb, offset, 2, "%s (0x%x)", family?family->name:"Unknown Family", famnum);
 231                 offset+=2;
 232
 233                 subentry = proto_item_add_subtree(ti, ett_generic_clientready_item);
 234
 235                 proto_tree_add_text(subentry, tvb, offset, 2, "Version: %d", tvb_get_ntohs(tvb, offset) ); offset += 2;
 236                 proto_tree_add_text(subentry, tvb, offset, 4, "DLL Version: %u", tvb_get_ntoh24(tvb, offset) ); offset += 4;
 237         }
 238         return offset;
 239 }
 240
 241
 242 static int dissect_aim_generic_serverready(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *gen_tree)
 243 {
 244         int offset = 0;
 245         proto_item *ti = proto_tree_add_text(gen_tree, tvb, offset, tvb_length(tvb), "Supported services");
 246         proto_tree *entry = proto_item_add_subtree(ti, ett_generic_clientready);
 247
 248         while(tvb_length_remaining(tvb, offset) > 0) {
 249                 guint16 famnum = tvb_get_ntohs(tvb, offset);
 250                 const aim_family *family = aim_get_family(famnum);
 251                 proto_tree_add_text(entry, tvb, offset, 2, "%s (0x%x)", family?family->name:"Unknown Family", famnum);
 252                 offset+=2;
 253         }
 254         return offset;
 255 }
 256
 257
 258 static int dissect_aim_generic_service_req(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *gen_tree)
 259 {
 260         int offset = 0;
 261         const aim_family *family = aim_get_family( tvb_get_ntohs(tvb, offset) );
 262
 263         proto_tree_add_uint_format(gen_tree, hf_generic_servicereq_service, tvb, offset, 2, tvb_get_ntohs(tvb, offset), "%s (0x%04x)", family?family->name:"Unknown", tvb_get_ntohs(tvb, offset) );
 264         offset+=2;
 265         return offset;
 266 }
 267
 268 static int dissect_aim_generic_redirect(tvbuff_t *tvb, packet_info *pinfo, proto_tree *gen_tree)
 269 {
 270         return dissect_aim_tlv_sequence(tvb, pinfo, 0, gen_tree, aim_client_tlvs);
 271 }
 272
 273 static int dissect_aim_generic_capabilities(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *gen_tree)
 274 {
 275         int offset = 0;
 276         proto_item *ti = proto_tree_add_text(gen_tree, tvb, offset, tvb_length(tvb), "Requested services");
 277         proto_tree *entry = proto_item_add_subtree(ti, ett_generic_clientready);
 278
 279         while(tvb_length_remaining(tvb, offset) > 0) {
 280                 guint16 famnum = tvb_get_ntohs(tvb, offset);
 281                 const aim_family *family = aim_get_family(famnum);
 282                 proto_tree_add_text(entry, tvb, offset, 4, "%s (0x%x), Version: %d", family?family->name:"Unknown Family", famnum, tvb_get_ntohs(tvb, offset+2));
 283                 offset += 4;
 284         }
 285         return offset;
 286 }
 287
 288 static int dissect_aim_generic_capack(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *gen_tree)
 289 {
 290         int offset = 0;
 291         proto_item *ti = proto_tree_add_text(gen_tree, tvb, offset, tvb_length(tvb), "Accepted requested services");
 292         proto_tree *entry = proto_item_add_subtree(ti, ett_generic_clientready);
 293
 294         while(tvb_length_remaining(tvb, offset) > 0) {
 295                 guint16 famnum = tvb_get_ntohs(tvb, offset);
 296                 const aim_family *family = aim_get_family(famnum);
 297                 proto_tree_add_text(entry, tvb, offset, 4, "%s (0x%x), Version: %d", family?family->name:"Unknown Family", famnum, tvb_get_ntohs(tvb, offset+2));
 298                 offset += 4;
 299         }
 300         return offset;
 301 }
 302
 303 static int dissect_aim_generic_motd(tvbuff_t *tvb, packet_info *pinfo, proto_tree *gen_tree)
 304 {
 305         int offset = 0;
 306         proto_tree_add_item(gen_tree, hf_generic_motd_motdtype, tvb, offset,
 307                                                 2, tvb_get_ntohs(tvb, offset));
 308         offset+=2;
 309         return dissect_aim_tlv_sequence(tvb, pinfo, offset, gen_tree, aim_motd_tlvs);
 310 }
 311
 312 static int dissect_aim_generic_rateinfoack(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *gen_tree)
 313 {
 314         int offset = 0;
 315         while(tvb_length_remaining(tvb, offset) > 0) {
 316                 proto_tree_add_uint(gen_tree, hf_generic_rateinfoack_group, tvb, offset, 2, tvb_get_ntohs(tvb, offset));
 317                 offset+=2;
 318         }
 319         return offset;
 320 }
 321
 322 static int dissect_aim_generic_ratechange(tvbuff_t *tvb, packet_info *pinfo, proto_tree *gen_tree)
 323 {
 324         int offset = 0;
 325         proto_tree_add_uint(gen_tree, hf_generic_ratechange_msg, tvb, offset, 2, tvb_get_ntohs(tvb, offset));
 326         offset+=2;
 327         offset = dissect_rate_class(tvb, pinfo, offset, gen_tree);
 328         return offset;
 329 }
 330
 331
 332 static int dissect_aim_generic_clientpauseack(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *gen_tree)
 333 {
 334         int offset = 0;
 335         while(tvb_length_remaining(tvb, offset) > 0) {
 336                 guint16 famnum = tvb_get_ntohs(tvb, offset);
 337                 const aim_family *family = aim_get_family(famnum);
 338                 proto_tree_add_text(gen_tree, tvb, offset, 4, "Family: %s (0x%x)", family?family->name:"Unknown Family", famnum);
 339                 offset += 2;
 340         }
 341         return offset;
 342 }
 343
 344 static int dissect_aim_generic_migration_req(tvbuff_t *tvb, packet_info *pinfo, proto_tree *gen_tree)
 345 {
 346         int offset = 0;
 347         guint32 n, i;
 348         proto_item *ti;
 349         proto_tree *entry;
 350
 351         n = tvb_get_ntohs(tvb, offset);offset+=2;
 352         proto_tree_add_uint(gen_tree, hf_generic_migration_numfams, tvb, offset, 2, n);
 353         ti = proto_tree_add_text(gen_tree, tvb, offset, 2 * n, "Families to migrate");
 354         entry = proto_item_add_subtree(ti, ett_generic_migratefamilies);
 355         for(i = 0; i < n; i++) {
 356                 guint16 famnum = tvb_get_ntohs(tvb, offset);
 357                 const aim_family *family = aim_get_family(famnum);
 358                 proto_tree_add_text(entry, tvb, offset, 4, "Family: %s (0x%x)", family?family->name:"Unknown Family", famnum);
 359                 offset += 2;
 360         }
 361
 362         return dissect_aim_tlv_sequence(tvb, pinfo, offset, gen_tree, aim_client_tlvs);
 363 }
 364
 365 static int dissect_aim_generic_setprivflags(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *gen_tree)
 366 {
 367         int offset = 0;
 368         guint32 flags = tvb_get_ntoh24(tvb, offset);
 369         proto_item *ti = proto_tree_add_uint(gen_tree, hf_generic_priv_flags, tvb, offset, 4, flags);
 370         proto_tree *entry = proto_item_add_subtree(ti, ett_generic_priv_flags);
 371         proto_tree_add_boolean(entry, hf_generic_allow_idle_see, tvb, offset, 4, flags);
 372         proto_tree_add_boolean(entry, hf_generic_allow_member_see, tvb, offset, 4, flags);
 373         offset+=4;
 374         return offset;
 375 }
 376
 377 static int dissect_aim_generic_selfinfo_repl(tvbuff_t *tvb, packet_info *pinfo, proto_tree *gen_tree)
 378 {
 379         int offset = dissect_aim_buddyname(tvb, pinfo, 0, gen_tree);
 380         proto_tree_add_item(gen_tree, hf_generic_selfinfo_warninglevel, tvb, offset, 2, ENC_BIG_ENDIAN);
 381         offset += 2;
 382         return dissect_aim_tlv_list(tvb, pinfo, offset, gen_tree, aim_onlinebuddy_tlvs);
 383 }
 384
 385 static int dissect_aim_generic_evil(tvbuff_t *tvb, packet_info *pinfo, proto_tree *gen_tree)
 386 {
 387         int offset = 0;
 388         proto_tree_add_item(gen_tree, hf_generic_evil_new_warn_level, tvb, offset, 2, ENC_BIG_ENDIAN);
 389         while(tvb_length_remaining(tvb, offset) > 0) {
 390                 offset = dissect_aim_userinfo(tvb, pinfo, offset, gen_tree);
 391         }
 392         return offset;
 393 }
 394
 395 static int dissect_aim_generic_setidle(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *gen_tree)
 396 {
 397         proto_tree_add_item(gen_tree, hf_generic_idle_time, tvb, 0, 2, ENC_BIG_ENDIAN);
 398         return 2;
 399 }
 400
 401 static int dissect_aim_generic_ext_status_req(tvbuff_t *tvb, packet_info *pinfo, proto_tree *gen_tree)
 402 {
 403         return dissect_aim_tlv_sequence(tvb, pinfo, 0, gen_tree, aim_onlinebuddy_tlvs);
 404 }
 405
 406 static int dissect_aim_generic_clientver_req(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *gen_tree)
 407 {
 408         int offset = 0;
 409         proto_tree_add_item(gen_tree, hf_generic_client_ver_req_offset, tvb, offset, 4, ENC_BIG_ENDIAN);
 410         offset+=4;
 411         proto_tree_add_item(gen_tree, hf_generic_client_ver_req_length, tvb, offset, 4, ENC_BIG_ENDIAN);
 412         return offset+4;
 413 }
 414
 415 static int dissect_aim_generic_clientver_repl(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *gen_tree)
 416 {
 417         proto_tree_add_item(gen_tree, hf_generic_client_ver_req_hash, tvb, 0, 16, ENC_NA);
 418         return 16;
 419 }
 420
 421 static int dissect_aim_generic_ext_status_repl(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *gen_tree)
 422 {
 423         guint8 length;
 424         int offset = 0;
 425         proto_tree_add_item(gen_tree, hf_generic_ext_status_type, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2;
 426         proto_tree_add_item(gen_tree, hf_generic_ext_status_flags, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1;
 427         proto_tree_add_item(gen_tree, hf_generic_ext_status_length, tvb, offset, 1, ENC_BIG_ENDIAN); length = tvb_get_guint8(tvb, offset); offset += 1;
 428         proto_tree_add_item(gen_tree, hf_generic_ext_status_data, tvb, offset, length, ENC_NA); offset += 1;
 429         return offset;
 430 }
 431
 432 static const aim_subtype aim_fnac_family_generic[] = {
 433         { 0x0001, "Error", dissect_aim_snac_error },
 434         { 0x0002, "Client Ready", dissect_aim_generic_clientready },
 435         { 0x0003, "Server Ready", dissect_aim_generic_serverready  },
 436         { 0x0004, "Service Request", dissect_aim_generic_service_req },
 437         { 0x0005, "Redirect", dissect_aim_generic_redirect },
 438         { 0x0006, "Rate Info Request", NULL},
 439         { 0x0007, "Rate Info", dissect_generic_rateinfo },
 440         { 0x0008, "Rate Info Ack", dissect_aim_generic_rateinfoack },
 441         { 0x000a, "Rate Change", dissect_aim_generic_ratechange },
 442         { 0x000b, "Server Pause", NULL },
 443         { 0x000c, "Client Pause Ack", dissect_aim_generic_clientpauseack },
 444         { 0x000d, "Server Resume", NULL },
 445         { 0x000e, "Self Info Request", NULL },
 446         { 0x000f, "Self Info Reply", dissect_aim_generic_selfinfo_repl },
 447         { 0x0010, "Evil", dissect_aim_generic_evil },
 448         { 0x0011, "Set Idle", dissect_aim_generic_setidle },
 449         { 0x0012, "Migration Request", dissect_aim_generic_migration_req },
 450         { 0x0013, "Message Of The Day", dissect_aim_generic_motd },
 451         { 0x0014, "Set Privilege Flags", dissect_aim_generic_setprivflags },
 452         { 0x0015, "Well Known URL", NULL }, /* FIXME */
 453         { 0x0016, "noop", NULL },
 454         { 0x0017, "Capabilities",  dissect_aim_generic_capabilities },
 455         { 0x0018, "Capabilities Ack", dissect_aim_generic_capack },
 456         { 0x001e, "Set Extended Status Request", dissect_aim_generic_ext_status_req },
 457         { 0x001f, "Client Verification Request",  dissect_aim_generic_clientver_req },
 458         { 0x0020, "Client Verification Reply", dissect_aim_generic_clientver_repl },
 459         { 0x0021, "Set Extended Status Reply", dissect_aim_generic_ext_status_repl },
 460         { 0, NULL, NULL }
 461 };
 462
 463
 464 /* Register the protocol with Wireshark */
 465 void
 466 proto_register_aim_generic(void)
 467 {
 468
 469         /* Setup list of header fields */
 470         static hf_register_info hf[] = {
 471                 { &hf_generic_servicereq_service,
 472                         { "Requested Service", "aim_generic.servicereq.service", FT_UINT16,
 473                                 BASE_HEX, NULL, 0x0, NULL, HFILL },
 474         },
 475         { &hf_generic_motd_motdtype,
 476           { "MOTD Type", "aim_generic.motd.motdtype", FT_UINT16,
 477                   BASE_HEX, VALS(aim_snac_generic_motd_motdtypes), 0x0, NULL, HFILL },
 478         },
 479         { &hf_generic_rateinfo_numclasses,
 480           { "Number of Rateinfo Classes", "aim_generic.rateinfo.numclasses", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL },
 481         },
 482         { &hf_generic_rateinfo_windowsize,
 483           { "Window Size", "aim_generic.rateinfo.class.window_size", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL },
 484         },
 485         { &hf_generic_rateinfo_clearlevel,
 486           { "Clear Level", "aim_generic.rateinfo.class.clearlevel", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL },
 487         },
 488         { &hf_generic_rateinfo_alertlevel,
 489           { "Alert Level", "aim_generic.rateinfo.class.alertlevel", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL },
 490         },
 491         { &hf_generic_rateinfo_limitlevel,
 492           { "Limit Level", "aim_generic.rateinfo.class.limitlevel", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL },
 493         },
 494         { &hf_generic_rateinfo_disconnectlevel,
 495           { "Disconnect Level", "aim_generic.rateinfo.class.disconnectlevel", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL },
 496         },
 497         { &hf_generic_rateinfo_currentlevel,
 498           { "Current Level", "aim_generic.rateinfo.class.currentlevel", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL },
 499         },
 500         { &hf_generic_rateinfo_maxlevel,
 501           { "Max Level", "aim_generic.rateinfo.class.maxlevel", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL },
 502         },
 503         { &hf_generic_rateinfo_lasttime,
 504           { "Last Time", "aim_generic.rateinfo.class.lasttime", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL },
 505         },
 506         { &hf_generic_rateinfo_curstate,
 507           { "Current State", "aim_generic.rateinfo.class.curstate", FT_UINT8, BASE_HEX, VALS(rateinfo_states), 0x0, NULL, HFILL },
 508         },
 509         { &hf_generic_rateinfo_classid,
 510           { "Class ID", "aim_generic.rateinfo.class.id", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL },
 511         },
 512         { &hf_generic_rateinfo_numpairs,
 513           { "Number of Family/Subtype pairs", "aim_generic.rateinfo.class.numpairs", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL },
 514         },
 515         { &hf_generic_rateinfoack_group,
 516           { "Acknowledged Rate Class", "aim_generic.rateinfoack.class", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL },
 517         },
 518         { &hf_generic_ratechange_msg,
 519           { "Rate Change Message", "aim_generic.ratechange.msg", FT_UINT16, BASE_HEX, VALS(ratechange_msgs), 0x0, NULL, HFILL },
 520         },
 521         { &hf_generic_migration_numfams,
 522           { "Number of families to migrate", "aim_generic.migrate.numfams", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL },
 523         },
 524         { &hf_generic_priv_flags,
 525           { "Privilege flags", "aim_generic.privilege_flags", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL },
 526         },
 527         { &hf_generic_allow_idle_see,
 528           { "Allow other users to see idle time", "aim_generic.privilege_flags.allow_idle", FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x0001, NULL, HFILL },
 529         },
 530         { &hf_generic_allow_member_see,
 531           { "Allow other users to see how long account has been a member", "aim_generic.privilege_flags.allow_member", FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x0002, NULL, HFILL },
 532         },
 533         { &hf_generic_selfinfo_warninglevel,
 534                 { "Warning level", "aim_generic.selfinfo.warn_level", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL },
 535         },
 536         { &hf_generic_evil_new_warn_level,
 537                 { "New warning level", "aim_generic.evil.new_warn_level", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL },
 538         },
 539         { &hf_generic_idle_time,
 540                 { "Idle time (seconds)", "aim_generic.idle_time", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL },
 541         },
 542         { &hf_generic_client_ver_req_offset,
 543                 { "Client Verification Request Offset", "aim_generic.client_verification.offset", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL },
 544         },
 545         { &hf_generic_client_ver_req_length,
 546                 { "Client Verification Request Length", "aim_generic.client_verification.length", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL },
 547         },
 548         { &hf_generic_client_ver_req_hash,
 549                 { "Client Verification MD5 Hash", "aim_generic.client_verification.hash", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL },
 550         },
 551         { &hf_generic_ext_status_type,
 552                 { "Extended Status Type", "aim_generic.ext_status.type", FT_UINT16, BASE_DEC, VALS(ext_status_types), 0x0, NULL, HFILL },
 553         },
 554         { &hf_generic_ext_status_flags,
 555                 { "Extended Status Flags", "aim_generic.ext_status.flags", FT_UINT8, BASE_HEX, VALS(ext_status_flags), 0x0, NULL, HFILL },
 556         },
 557         { &hf_generic_ext_status_length,
 558                 { "Extended Status Length", "aim_generic.ext_status.length", FT_UINT8, BASE_HEX, NULL, 0x0, NULL , HFILL },
 559         },
 560         { &hf_generic_ext_status_data,
 561                 { "Extended Status Data", "aim_generic.ext_status.data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL , HFILL },
 562         },
 563
 564   };
 565
 566 /* Setup protocol subtree array */
 567         static gint *ett[] = {
 568                 &ett_generic,
 569                 &ett_generic_migratefamilies,
 570                 &ett_generic_rateinfo_class,
 571                 &ett_generic_rateinfo_group,
 572                 &ett_generic_rateinfo_groups,
 573                 &ett_generic_rateinfo_classes,
 574                 &ett_generic_clientready,
 575                 &ett_generic_clientready_item,
 576                 &ett_generic_serverready,
 577                 &ett_generic_priv_flags,
 578         };
 579
 580 /* Register the protocol name and description */
 581         proto_aim_generic = proto_register_protocol("AIM Generic Service", "AIM Generic", "aim_generic");
 582
 583 /* Required function calls to register the header fields and subtrees used */
 584         proto_register_field_array(proto_aim_generic, hf, array_length(hf));
 585         proto_register_subtree_array(ett, array_length(ett));
 586 }
 587
 588 void
 589 proto_reg_handoff_aim_generic(void)
 590 {
 591         aim_init_family(proto_aim_generic, ett_generic, FAMILY_GENERIC, aim_fnac_family_generic);
 592 }