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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  24  */
  25
  26 #ifdef HAVE_CONFIG_H
  27 # include "config.h"
  28 #endif
  29
  30 #include <glib.h>
  31
  32 #include <epan/packet.h>
  33
  34 #include "packet-aim.h"
  35
  36 #define STRIP_TAGS 1
  37
  38 /* SNAC families */
  39 #define FAMILY_GENERIC    0x0001
  40
  41
  42 #define FAMILY_GENERIC_MOTD_MOTDTYPE_MDT_UPGRADE       0x0001
  43 #define FAMILY_GENERIC_MOTD_MOTDTYPE_ADV_UPGRADE       0x0002
  44 #define FAMILY_GENERIC_MOTD_MOTDTYPE_SYS_BULLETIN      0x0003
  45 #define FAMILY_GENERIC_MOTD_MOTDTYPE_NORMAL            0x0004
  46 #define FAMILY_GENERIC_MOTD_MOTDTYPE_NEWS              0x0006
  47
  48 static const value_string aim_snac_generic_motd_motdtypes[] = {
  49         { FAMILY_GENERIC_MOTD_MOTDTYPE_MDT_UPGRADE, "Mandatory Upgrade Needed Notice" },
  50         { FAMILY_GENERIC_MOTD_MOTDTYPE_ADV_UPGRADE, "Advisable Upgrade Notice" },
  51         { FAMILY_GENERIC_MOTD_MOTDTYPE_SYS_BULLETIN, "AIM/ICQ Service System Announcements" },
  52         { FAMILY_GENERIC_MOTD_MOTDTYPE_NORMAL, "Standard Notice" },
  53         { FAMILY_GENERIC_MOTD_MOTDTYPE_NEWS, "News from AOL service" },
  54         { 0, NULL }
  55 };
  56
  57 #define RATEINFO_STATE_LIMITED                  0x01
  58 #define RATEINFO_STATE_ALERT                    0x02
  59 #define RATEINFO_STATE_CLEAR                    0x03
  60
  61 static const value_string rateinfo_states[] = {
  62         { RATEINFO_STATE_LIMITED, "Limited" },
  63         { RATEINFO_STATE_ALERT, "Alert" },
  64         { RATEINFO_STATE_CLEAR, "Clear" },
  65         { 0, NULL }
  66 };
  67
  68 #define RATECHANGE_MSG_LIMIT_PARAMS_CHANGED      0x0001
  69 #define RATECHANGE_MSG_LIMIT_WARN                0x0002
  70 #define RATECHANGE_MSG_LIMIT_HIT                 0x0003
  71 #define RATECHANGE_MSG_LIMIT_CLEAR               0x0004
  72
  73 static const value_string ratechange_msgs[] = {
  74         { RATECHANGE_MSG_LIMIT_PARAMS_CHANGED, "Rate limits parameters changed" },
  75         { RATECHANGE_MSG_LIMIT_WARN, "Rate limits warning (current level < alert level)" },
  76         { RATECHANGE_MSG_LIMIT_HIT, "Rate limit hit (current level < limit level)" },
  77         { RATECHANGE_MSG_LIMIT_CLEAR, "Rate limit clear (current level now > clear level)" },
  78         { 0, NULL },
  79 };
  80
  81 #define EXT_STATUS_TYPE_BUDDY_ICON_0 0
  82 #define EXT_STATUS_TYPE_BUDDY_ICON_1 1
  83 #define EXT_STATUS_TYPE_AVAIL_MSG    2
  84 #define EXT_STATUS_TYPE_UNKNOWN          6
  85
  86 static const value_string ext_status_types[] = {
  87         { EXT_STATUS_TYPE_BUDDY_ICON_0, "Request to send buddy icon" },
  88         { EXT_STATUS_TYPE_BUDDY_ICON_1, "Request to send buddy icon" },
  89         { EXT_STATUS_TYPE_AVAIL_MSG, "Extended Status Update" },
  90         { 0, NULL },
  91 };
  92
  93 #define EXT_STATUS_FLAG_INITIAL_SEND    0x41
  94 #define EXT_STATUS_FLAG_RESEND                  0x81
  95
  96 static const value_string ext_status_flags[] = {
  97         { EXT_STATUS_FLAG_INITIAL_SEND, "First Send Request" },
  98         { EXT_STATUS_FLAG_RESEND,               "Request To Re-Send" },
  99         { 0, NULL },
 100 };
 101
 102 /* Initialize the protocol and registered fields */
 103 static int proto_aim_generic = -1;
 104 static int hf_generic_motd_motdtype = -1;
 105 static int hf_generic_servicereq_service = -1;
 106 static int hf_generic_rateinfo_numclasses = -1;
 107 static int hf_generic_rateinfo_windowsize = -1;
 108 static int hf_generic_rateinfo_clearlevel = -1;
 109 static int hf_generic_rateinfo_alertlevel = -1;
 110 static int hf_generic_rateinfo_limitlevel = -1;
 111 static int hf_generic_rateinfo_disconnectlevel = -1;
 112 static int hf_generic_rateinfo_currentlevel = -1;
 113 static int hf_generic_rateinfo_maxlevel = -1;
 114 static int hf_generic_rateinfo_lasttime = -1;
 115 static int hf_generic_rateinfo_curstate = -1;
 116 static int hf_generic_rateinfo_classid = -1;
 117 static int hf_generic_rateinfo_numpairs = -1;
 118 static int hf_generic_rateinfoack_group = -1;
 119 static int hf_generic_ratechange_msg    = -1;
 120 static int hf_generic_migration_numfams  = -1;
 121 static int hf_generic_priv_flags = -1;
 122 static int hf_generic_allow_idle_see = -1;
 123 static int hf_generic_allow_member_see = -1;
 124 static int hf_generic_selfinfo_warninglevel = -1;
 125 static int hf_generic_evil_new_warn_level = -1;
 126 static int hf_generic_idle_time = -1;
 127 static int hf_generic_client_ver_req_offset = -1;
 128 static int hf_generic_client_ver_req_length = -1;
 129 static int hf_generic_client_ver_req_hash = -1;
 130 static int hf_generic_ext_status_type = -1;
 131 static int hf_generic_ext_status_length = -1;
 132 static int hf_generic_ext_status_flags = -1;
 133 static int hf_generic_ext_status_data = -1;
 134
 135 /* Initialize the subtree pointers */
 136 static gint ett_generic_clientready = -1;
 137 static gint ett_generic_migratefamilies = -1;
 138 static gint ett_generic_clientready_item = -1;
 139 static gint ett_generic_serverready = -1;
 140 static gint ett_generic = -1;
 141 static gint ett_generic_priv_flags = -1;
 142 static gint ett_generic_rateinfo_class = -1;
 143 static gint ett_generic_rateinfo_classes = -1;
 144 static gint ett_generic_rateinfo_groups = -1;
 145 static gint ett_generic_rateinfo_group = -1;
 146
 147 static int dissect_rate_class(tvbuff_t *tvb, packet_info *pinfo _U_, int offset, proto_tree *class_tree)
 148 {
 149         proto_tree_add_uint(class_tree, hf_generic_rateinfo_classid, tvb, offset, 2, tvb_get_ntohs(tvb, offset));offset+=2;
 150         proto_tree_add_uint(class_tree, hf_generic_rateinfo_windowsize, tvb, offset, 4, tvb_get_ntohl(tvb, offset));offset+=4;
 151         proto_tree_add_uint(class_tree, hf_generic_rateinfo_clearlevel, tvb, offset, 4, tvb_get_ntohl(tvb, offset));offset+=4;
 152         proto_tree_add_uint(class_tree, hf_generic_rateinfo_alertlevel, tvb, offset, 4, tvb_get_ntohl(tvb, offset));offset+=4;
 153         proto_tree_add_uint(class_tree, hf_generic_rateinfo_limitlevel, tvb, offset, 4, tvb_get_ntohl(tvb, offset));offset+=4;
 154         proto_tree_add_uint(class_tree, hf_generic_rateinfo_disconnectlevel, tvb, offset, 4, tvb_get_ntohl(tvb, offset));offset+=4;
 155         proto_tree_add_uint(class_tree, hf_generic_rateinfo_currentlevel, tvb, offset, 4, tvb_get_ntohl(tvb, offset));offset+=4;
 156         proto_tree_add_uint(class_tree, hf_generic_rateinfo_maxlevel, tvb, offset, 4, tvb_get_ntohl(tvb, offset));offset+=4;
 157         proto_tree_add_uint(class_tree, hf_generic_rateinfo_lasttime, tvb, offset, 4, tvb_get_ntohl(tvb, offset));offset+=4;
 158         proto_tree_add_uint(class_tree, hf_generic_rateinfo_curstate, tvb, offset, 1, tvb_get_guint8(tvb, offset));offset+=1;
 159         return offset;
 160 }
 161
 162 static int dissect_generic_rateinfo(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
 163 {
 164         int offset = 0;
 165         guint16 i;
 166         proto_item *ti;
 167         guint16 numclasses = tvb_get_ntohs(tvb, 0);
 168         proto_tree *classes_tree = NULL, *groups_tree, *group_tree;
 169         proto_tree_add_uint(tree, hf_generic_rateinfo_numclasses, tvb, 0, 2, numclasses );
 170         offset+=2;
 171
 172         if(tree) {
 173                 /* sizeof(rate_class_struct) = 35 ! */
 174                 ti = proto_tree_add_text(tree, tvb, offset, 35 * numclasses, "Available Rate Classes");
 175                 classes_tree = proto_item_add_subtree(ti, ett_generic_rateinfo_classes);
 176         }
 177
 178         for(i = 0; i < numclasses; i++) {
 179                 guint16 myid = tvb_get_ntohs(tvb, offset);
 180                 proto_item *ti_local = proto_tree_add_text(classes_tree, tvb, offset, 35, "Rate Class 0x%02x", myid);
 181                 proto_tree *class_tree = proto_item_add_subtree(ti_local, ett_generic_rateinfo_class);
 182                 offset = dissect_rate_class(tvb, pinfo, offset, class_tree);
 183         }
 184
 185         ti = proto_tree_add_text(tree, tvb, offset, -1, "Rate Groups");
 186         groups_tree = proto_item_add_subtree(ti, ett_generic_rateinfo_groups);
 187
 188         for(i = 0; i < numclasses; i++) {
 189                 guint16 j;
 190                 guint16 myid = tvb_get_ntohs(tvb, offset);
 191                 guint16 numpairs = tvb_get_ntohs(tvb, offset + 2);
 192                 /*
 193                  * sizeof(rate_group) = sizeof(class_id) + sizeof(numpairs) + numpairs * 2 * sizeof(uint16_t)
 194                  *                    = 2 + 2 + numpairs * 4
 195                  */
 196                 proto_item *ti_local = proto_tree_add_text(groups_tree, tvb, offset, 4 + 4 * numpairs, "Rate Group 0x%02x", myid);
 197                 group_tree = proto_item_add_subtree(ti_local, ett_generic_rateinfo_group);
 198                 proto_tree_add_uint(group_tree, hf_generic_rateinfo_classid, tvb, offset, 2, myid);offset+=2;
 199                 proto_tree_add_uint(group_tree, hf_generic_rateinfo_numpairs, tvb, offset, 2, numpairs); offset+=2;
 200                 for(j = 0; j < numpairs; j++) {
 201                         guint16 family_id;
 202                         guint16 subtype_id;
 203                         const aim_family *family;
 204                         const aim_subtype *subtype;
 205                         family_id = tvb_get_ntohs(tvb, offset); offset+=2;
 206                         subtype_id = tvb_get_ntohs(tvb, offset); offset+=2;
 207
 208                         family = aim_get_family(family_id);
 209                         subtype = aim_get_subtype(family_id, subtype_id);
 210
 211                         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);
 212                 }
 213         }
 214
 215         return offset;
 216 }
 217
 218 static int dissect_aim_generic_clientready(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *gen_tree)
 219 {
 220         int offset = 0;
 221         proto_item *ti = proto_tree_add_text(gen_tree, tvb, 0, tvb_length(tvb), "Supported services");
 222         proto_tree *entry = proto_item_add_subtree(ti, ett_generic_clientready);
 223
 224         while(tvb_length_remaining(tvb, offset) > 0) {
 225                 guint16 famnum = tvb_get_ntohs(tvb, offset);
 226                 const aim_family *family = aim_get_family(famnum);
 227
 228                 proto_tree *subentry;
 229                 ti = proto_tree_add_text(entry, tvb, offset, 2, "%s (0x%x)", family?family->name:"Unknown Family", famnum);
 230                 offset+=2;
 231
 232                 subentry = proto_item_add_subtree(ti, ett_generic_clientready_item);
 233
 234                 proto_tree_add_text(subentry, tvb, offset, 2, "Version: %d", tvb_get_ntohs(tvb, offset) ); offset += 2;
 235                 proto_tree_add_text(subentry, tvb, offset, 4, "DLL Version: %u", tvb_get_ntoh24(tvb, offset) ); offset += 4;
 236         }
 237         return offset;
 238 }
 239
 240
 241 static int dissect_aim_generic_serverready(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *gen_tree)
 242 {
 243         int offset = 0;
 244         proto_item *ti = proto_tree_add_text(gen_tree, tvb, offset, tvb_length(tvb), "Supported services");
 245         proto_tree *entry = proto_item_add_subtree(ti, ett_generic_clientready);
 246
 247         while(tvb_length_remaining(tvb, offset) > 0) {
 248                 guint16 famnum = tvb_get_ntohs(tvb, offset);
 249                 const aim_family *family = aim_get_family(famnum);
 250                 proto_tree_add_text(entry, tvb, offset, 2, "%s (0x%x)", family?family->name:"Unknown Family", famnum);
 251                 offset+=2;
 252         }
 253         return offset;
 254 }
 255
 256
 257 static int dissect_aim_generic_service_req(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *gen_tree)
 258 {
 259         int offset = 0;
 260         const aim_family *family = aim_get_family( tvb_get_ntohs(tvb, offset) );
 261
 262         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) );
 263         offset+=2;
 264         return offset;
 265 }
 266
 267 static int dissect_aim_generic_redirect(tvbuff_t *tvb, packet_info *pinfo, proto_tree *gen_tree)
 268 {
 269         return dissect_aim_tlv_sequence(tvb, pinfo, 0, gen_tree, aim_client_tlvs);
 270 }
 271
 272 static int dissect_aim_generic_capabilities(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *gen_tree)
 273 {
 274         int offset = 0;
 275         proto_item *ti = proto_tree_add_text(gen_tree, tvb, offset, tvb_length(tvb), "Requested services");
 276         proto_tree *entry = proto_item_add_subtree(ti, ett_generic_clientready);
 277
 278         while(tvb_length_remaining(tvb, offset) > 0) {
 279                 guint16 famnum = tvb_get_ntohs(tvb, offset);
 280                 const aim_family *family = aim_get_family(famnum);
 281                 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));
 282                 offset += 4;
 283         }
 284         return offset;
 285 }
 286
 287 static int dissect_aim_generic_capack(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *gen_tree)
 288 {
 289         int offset = 0;
 290         proto_item *ti = proto_tree_add_text(gen_tree, tvb, offset, tvb_length(tvb), "Accepted requested services");
 291         proto_tree *entry = proto_item_add_subtree(ti, ett_generic_clientready);
 292
 293         while(tvb_length_remaining(tvb, offset) > 0) {
 294                 guint16 famnum = tvb_get_ntohs(tvb, offset);
 295                 const aim_family *family = aim_get_family(famnum);
 296                 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));
 297                 offset += 4;
 298         }
 299         return offset;
 300 }
 301
 302 static int dissect_aim_generic_motd(tvbuff_t *tvb, packet_info *pinfo, proto_tree *gen_tree)
 303 {
 304         int offset = 0;
 305         proto_tree_add_item(gen_tree, hf_generic_motd_motdtype, tvb, offset,
 306                                                 2, tvb_get_ntohs(tvb, offset));
 307         offset+=2;
 308         return dissect_aim_tlv_sequence(tvb, pinfo, offset, gen_tree, aim_motd_tlvs);
 309 }
 310
 311 static int dissect_aim_generic_rateinfoack(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *gen_tree)
 312 {
 313         int offset = 0;
 314         while(tvb_length_remaining(tvb, offset) > 0) {
 315                 proto_tree_add_uint(gen_tree, hf_generic_rateinfoack_group, tvb, offset, 2, tvb_get_ntohs(tvb, offset));
 316                 offset+=2;
 317         }
 318         return offset;
 319 }
 320
 321 static int dissect_aim_generic_ratechange(tvbuff_t *tvb, packet_info *pinfo, proto_tree *gen_tree)
 322 {
 323         int offset = 0;
 324         proto_tree_add_uint(gen_tree, hf_generic_ratechange_msg, tvb, offset, 2, tvb_get_ntohs(tvb, offset));
 325         offset+=2;
 326         offset = dissect_rate_class(tvb, pinfo, offset, gen_tree);
 327         return offset;
 328 }
 329
 330
 331 static int dissect_aim_generic_clientpauseack(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *gen_tree)
 332 {
 333         int offset = 0;
 334         while(tvb_length_remaining(tvb, offset) > 0) {
 335                 guint16 famnum = tvb_get_ntohs(tvb, offset);
 336                 const aim_family *family = aim_get_family(famnum);
 337                 proto_tree_add_text(gen_tree, tvb, offset, 4, "Family: %s (0x%x)", family?family->name:"Unknown Family", famnum);
 338                 offset += 2;
 339         }
 340         return offset;
 341 }
 342
 343 static int dissect_aim_generic_migration_req(tvbuff_t *tvb, packet_info *pinfo, proto_tree *gen_tree)
 344 {
 345         int offset = 0;
 346         guint32 n, i;
 347         proto_item *ti;
 348         proto_tree *entry;
 349
 350         n = tvb_get_ntohs(tvb, offset);offset+=2;
 351         proto_tree_add_uint(gen_tree, hf_generic_migration_numfams, tvb, offset, 2, n);
 352         ti = proto_tree_add_text(gen_tree, tvb, offset, 2 * n, "Families to migrate");
 353         entry = proto_item_add_subtree(ti, ett_generic_migratefamilies);
 354         for(i = 0; i < n; i++) {
 355                 guint16 famnum = tvb_get_ntohs(tvb, offset);
 356                 const aim_family *family = aim_get_family(famnum);
 357                 proto_tree_add_text(entry, tvb, offset, 4, "Family: %s (0x%x)", family?family->name:"Unknown Family", famnum);
 358                 offset += 2;
 359         }
 360
 361         return dissect_aim_tlv_sequence(tvb, pinfo, offset, gen_tree, aim_client_tlvs);
 362 }
 363
 364 static int dissect_aim_generic_setprivflags(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *gen_tree)
 365 {
 366         int offset = 0;
 367         guint32 flags = tvb_get_ntoh24(tvb, offset);
 368         proto_item *ti = proto_tree_add_uint(gen_tree, hf_generic_priv_flags, tvb, offset, 4, flags);
 369         proto_tree *entry = proto_item_add_subtree(ti, ett_generic_priv_flags);
 370         proto_tree_add_boolean(entry, hf_generic_allow_idle_see, tvb, offset, 4, flags);
 371         proto_tree_add_boolean(entry, hf_generic_allow_member_see, tvb, offset, 4, flags);
 372         offset+=4;
 373         return offset;
 374 }
 375
 376 static int dissect_aim_generic_selfinfo_repl(tvbuff_t *tvb, packet_info *pinfo, proto_tree *gen_tree)
 377 {
 378         int offset = dissect_aim_buddyname(tvb, pinfo, 0, gen_tree);
 379         proto_tree_add_item(gen_tree, hf_generic_selfinfo_warninglevel, tvb, offset, 2, ENC_BIG_ENDIAN);
 380         offset += 2;
 381         return dissect_aim_tlv_list(tvb, pinfo, offset, gen_tree, aim_onlinebuddy_tlvs);
 382 }
 383
 384 static int dissect_aim_generic_evil(tvbuff_t *tvb, packet_info *pinfo, proto_tree *gen_tree)
 385 {
 386         int offset = 0;
 387         proto_tree_add_item(gen_tree, hf_generic_evil_new_warn_level, tvb, offset, 2, ENC_BIG_ENDIAN);
 388         while(tvb_length_remaining(tvb, offset) > 0) {
 389                 offset = dissect_aim_userinfo(tvb, pinfo, offset, gen_tree);
 390         }
 391         return offset;
 392 }
 393
 394 static int dissect_aim_generic_setidle(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *gen_tree)
 395 {
 396         proto_tree_add_item(gen_tree, hf_generic_idle_time, tvb, 0, 2, ENC_BIG_ENDIAN);
 397         return 2;
 398 }
 399
 400 static int dissect_aim_generic_ext_status_req(tvbuff_t *tvb, packet_info *pinfo, proto_tree *gen_tree)
 401 {
 402         return dissect_aim_tlv_sequence(tvb, pinfo, 0, gen_tree, aim_onlinebuddy_tlvs);
 403 }
 404
 405 static int dissect_aim_generic_clientver_req(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *gen_tree)
 406 {
 407         int offset = 0;
 408         proto_tree_add_item(gen_tree, hf_generic_client_ver_req_offset, tvb, offset, 4, ENC_BIG_ENDIAN);
 409         offset+=4;
 410         proto_tree_add_item(gen_tree, hf_generic_client_ver_req_length, tvb, offset, 4, ENC_BIG_ENDIAN);
 411         return offset+4;
 412 }
 413
 414 static int dissect_aim_generic_clientver_repl(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *gen_tree)
 415 {
 416         proto_tree_add_item(gen_tree, hf_generic_client_ver_req_hash, tvb, 0, 16, ENC_NA);
 417         return 16;
 418 }
 419
 420 static int dissect_aim_generic_ext_status_repl(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *gen_tree)
 421 {
 422         guint8 length;
 423         int offset = 0;
 424         proto_tree_add_item(gen_tree, hf_generic_ext_status_type, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2;
 425         proto_tree_add_item(gen_tree, hf_generic_ext_status_flags, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1;
 426         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;
 427         proto_tree_add_item(gen_tree, hf_generic_ext_status_data, tvb, offset, length, ENC_NA); offset += 1;
 428         return offset;
 429 }
 430
 431 static const aim_subtype aim_fnac_family_generic[] = {
 432         { 0x0001, "Error", dissect_aim_snac_error },
 433         { 0x0002, "Client Ready", dissect_aim_generic_clientready },
 434         { 0x0003, "Server Ready", dissect_aim_generic_serverready  },
 435         { 0x0004, "Service Request", dissect_aim_generic_service_req },
 436         { 0x0005, "Redirect", dissect_aim_generic_redirect },
 437         { 0x0006, "Rate Info Request", NULL},
 438         { 0x0007, "Rate Info", dissect_generic_rateinfo },
 439         { 0x0008, "Rate Info Ack", dissect_aim_generic_rateinfoack },
 440         { 0x000a, "Rate Change", dissect_aim_generic_ratechange },
 441         { 0x000b, "Server Pause", NULL },
 442         { 0x000c, "Client Pause Ack", dissect_aim_generic_clientpauseack },
 443         { 0x000d, "Server Resume", NULL },
 444         { 0x000e, "Self Info Request", NULL },
 445         { 0x000f, "Self Info Reply", dissect_aim_generic_selfinfo_repl },
 446         { 0x0010, "Evil", dissect_aim_generic_evil },
 447         { 0x0011, "Set Idle", dissect_aim_generic_setidle },
 448         { 0x0012, "Migration Request", dissect_aim_generic_migration_req },
 449         { 0x0013, "Message Of The Day", dissect_aim_generic_motd },
 450         { 0x0014, "Set Privilege Flags", dissect_aim_generic_setprivflags },
 451         { 0x0015, "Well Known URL", NULL }, /* FIXME */
 452         { 0x0016, "noop", NULL },
 453         { 0x0017, "Capabilities",  dissect_aim_generic_capabilities },
 454         { 0x0018, "Capabilities Ack", dissect_aim_generic_capack },
 455         { 0x001e, "Set Extended Status Request", dissect_aim_generic_ext_status_req },
 456         { 0x001f, "Client Verification Request",  dissect_aim_generic_clientver_req },
 457         { 0x0020, "Client Verification Reply", dissect_aim_generic_clientver_repl },
 458         { 0x0021, "Set Extended Status Reply", dissect_aim_generic_ext_status_repl },
 459         { 0, NULL, NULL }
 460 };
 461
 462
 463 /* Register the protocol with Wireshark */
 464 void
 465 proto_register_aim_generic(void)
 466 {
 467
 468         /* Setup list of header fields */
 469         static hf_register_info hf[] = {
 470                 { &hf_generic_servicereq_service,
 471                         { "Requested Service", "aim_generic.servicereq.service", FT_UINT16,
 472                                 BASE_HEX, NULL, 0x0, NULL, HFILL },
 473         },
 474         { &hf_generic_motd_motdtype,
 475           { "MOTD Type", "aim_generic.motd.motdtype", FT_UINT16,
 476                   BASE_HEX, VALS(aim_snac_generic_motd_motdtypes), 0x0, NULL, HFILL },
 477         },
 478         { &hf_generic_rateinfo_numclasses,
 479           { "Number of Rateinfo Classes", "aim_generic.rateinfo.numclasses", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL },
 480         },
 481         { &hf_generic_rateinfo_windowsize,
 482           { "Window Size", "aim_generic.rateinfo.class.window_size", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL },
 483         },
 484         { &hf_generic_rateinfo_clearlevel,
 485           { "Clear Level", "aim_generic.rateinfo.class.clearlevel", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL },
 486         },
 487         { &hf_generic_rateinfo_alertlevel,
 488           { "Alert Level", "aim_generic.rateinfo.class.alertlevel", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL },
 489         },
 490         { &hf_generic_rateinfo_limitlevel,
 491           { "Limit Level", "aim_generic.rateinfo.class.limitlevel", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL },
 492         },
 493         { &hf_generic_rateinfo_disconnectlevel,
 494           { "Disconnect Level", "aim_generic.rateinfo.class.disconnectlevel", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL },
 495         },
 496         { &hf_generic_rateinfo_currentlevel,
 497           { "Current Level", "aim_generic.rateinfo.class.currentlevel", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL },
 498         },
 499         { &hf_generic_rateinfo_maxlevel,
 500           { "Max Level", "aim_generic.rateinfo.class.maxlevel", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL },
 501         },
 502         { &hf_generic_rateinfo_lasttime,
 503           { "Last Time", "aim_generic.rateinfo.class.lasttime", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL },
 504         },
 505         { &hf_generic_rateinfo_curstate,
 506           { "Current State", "aim_generic.rateinfo.class.curstate", FT_UINT8, BASE_HEX, VALS(rateinfo_states), 0x0, NULL, HFILL },
 507         },
 508         { &hf_generic_rateinfo_classid,
 509           { "Class ID", "aim_generic.rateinfo.class.id", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL },
 510         },
 511         { &hf_generic_rateinfo_numpairs,
 512           { "Number of Family/Subtype pairs", "aim_generic.rateinfo.class.numpairs", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL },
 513         },
 514         { &hf_generic_rateinfoack_group,
 515           { "Acknowledged Rate Class", "aim_generic.rateinfoack.class", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL },
 516         },
 517         { &hf_generic_ratechange_msg,
 518           { "Rate Change Message", "aim_generic.ratechange.msg", FT_UINT16, BASE_HEX, VALS(ratechange_msgs), 0x0, NULL, HFILL },
 519         },
 520         { &hf_generic_migration_numfams,
 521           { "Number of families to migrate", "aim_generic.migrate.numfams", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL },
 522         },
 523         { &hf_generic_priv_flags,
 524           { "Privilege flags", "aim_generic.privilege_flags", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL },
 525         },
 526         { &hf_generic_allow_idle_see,
 527           { "Allow other users to see idle time", "aim_generic.privilege_flags.allow_idle", FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x0001, NULL, HFILL },
 528         },
 529         { &hf_generic_allow_member_see,
 530           { "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 },
 531         },
 532         { &hf_generic_selfinfo_warninglevel,
 533                 { "Warning level", "aim_generic.selfinfo.warn_level", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL },
 534         },
 535         { &hf_generic_evil_new_warn_level,
 536                 { "New warning level", "aim_generic.evil.new_warn_level", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL },
 537         },
 538         { &hf_generic_idle_time,
 539                 { "Idle time (seconds)", "aim_generic.idle_time", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL },
 540         },
 541         { &hf_generic_client_ver_req_offset,
 542                 { "Client Verification Request Offset", "aim_generic.client_verification.offset", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL },
 543         },
 544         { &hf_generic_client_ver_req_length,
 545                 { "Client Verification Request Length", "aim_generic.client_verification.length", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL },
 546         },
 547         { &hf_generic_client_ver_req_hash,
 548                 { "Client Verification MD5 Hash", "aim_generic.client_verification.hash", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL },
 549         },
 550         { &hf_generic_ext_status_type,
 551                 { "Extended Status Type", "aim_generic.ext_status.type", FT_UINT16, BASE_DEC, VALS(ext_status_types), 0x0, NULL, HFILL },
 552         },
 553         { &hf_generic_ext_status_flags,
 554                 { "Extended Status Flags", "aim_generic.ext_status.flags", FT_UINT8, BASE_HEX, VALS(ext_status_flags), 0x0, NULL, HFILL },
 555         },
 556         { &hf_generic_ext_status_length,
 557                 { "Extended Status Length", "aim_generic.ext_status.length", FT_UINT8, BASE_HEX, NULL, 0x0, NULL , HFILL },
 558         },
 559         { &hf_generic_ext_status_data,
 560                 { "Extended Status Data", "aim_generic.ext_status.data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL , HFILL },
 561         },
 562
 563   };
 564
 565 /* Setup protocol subtree array */
 566         static gint *ett[] = {
 567                 &ett_generic,
 568                 &ett_generic_migratefamilies,
 569                 &ett_generic_rateinfo_class,
 570                 &ett_generic_rateinfo_group,
 571                 &ett_generic_rateinfo_groups,
 572                 &ett_generic_rateinfo_classes,
 573                 &ett_generic_clientready,
 574                 &ett_generic_clientready_item,
 575                 &ett_generic_serverready,
 576                 &ett_generic_priv_flags,
 577         };
 578
 579 /* Register the protocol name and description */
 580         proto_aim_generic = proto_register_protocol("AIM Generic Service", "AIM Generic", "aim_generic");
 581
 582 /* Required function calls to register the header fields and subtrees used */
 583         proto_register_field_array(proto_aim_generic, hf, array_length(hf));
 584         proto_register_subtree_array(ett, array_length(ett));
 585 }
 586
 587 void
 588 proto_reg_handoff_aim_generic(void)
 589 {
 590         aim_init_family(proto_aim_generic, ett_generic, FAMILY_GENERIC, aim_fnac_family_generic);
 591 }