epan/dissectors/packet-xmpp-conference.c

   1 /* xmpp-conference.c
   2  * Wireshark's XMPP dissector.
   3  *
   4  * XEP-0298: Delivering Conference Information to Jingle Participants (Coin)
   5  *
   6  * Copyright 2011, Mariusz Okroj <okrojmariusz[]gmail.com>
   7  *
   8  * $Id$
   9  *
  10  * Wireshark - Network traffic analyzer
  11  * By Gerald Combs <gerald@wireshark.org>
  12  * Copyright 1998 Gerald Combs
  13  *
  14  * This program is free software; you can redistribute it and/or
  15  * modify it under the terms of the GNU General Public License
  16  * as published by the Free Software Foundation; either version 2
  17  * of the License, or (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with this program; if not, write to the Free Software
  26  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  27  */
  28
  29 #include "config.h"
  30
  31 #include <glib.h>
  32
  33 #include <epan/packet.h>
  34
  35 #include <epan/dissectors/packet-xml.h>
  36
  37 #include <packet-xmpp.h>
  38 #include <packet-xmpp-utils.h>
  39 #include <packet-xmpp-conference.h>
  40
  41
  42 static void xmpp_conf_desc(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element);
  43 static void xmpp_conf_state(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element);
  44 static void xmpp_conf_users(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element);
  45 static void xmpp_conf_user(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element);
  46 static void xmpp_conf_endpoint(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element);
  47 static void xmpp_conf_media(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element);
  48
  49 void
  50 xmpp_conferece_info_advert(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element)
  51 {
  52     proto_item *cinfo_item;
  53     proto_tree *cinfo_tree;
  54
  55     xmpp_attr_info attrs_info [] = {
  56         {"xmlns", hf_xmpp_xmlns, TRUE, TRUE, NULL, NULL},
  57         {"isfocus", -1, TRUE, TRUE, NULL, NULL}
  58     };
  59
  60     cinfo_item = proto_tree_add_item(tree, hf_xmpp_conf_info, tvb, element->offset, element->length,
  61         ENC_BIG_ENDIAN);
  62     cinfo_tree = proto_item_add_subtree(cinfo_item, ett_xmpp_conf_info);
  63
  64     xmpp_display_attrs(cinfo_tree, element, pinfo, tvb, attrs_info, array_length(attrs_info));
  65     xmpp_display_elems(cinfo_tree, element, pinfo, tvb, NULL, 0);
  66 }
  67
  68 void
  69 xmpp_conference_info(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element)
  70 {
  71     proto_item *cinfo_item;
  72     proto_tree *cinfo_tree;
  73
  74     static const gchar *state_enums[] = {"full", "partial", "deleted"};
  75     xmpp_array_t *state_array = xmpp_ep_init_array_t(state_enums, array_length(state_enums));
  76
  77     xmpp_attr_info attrs_info [] = {
  78         {"xmlns", hf_xmpp_xmlns, TRUE, TRUE, NULL, NULL},
  79         {"entity", -1, TRUE, TRUE, NULL, NULL},
  80         {"state", -1, FALSE, TRUE, xmpp_val_enum_list, state_array},
  81         {"version", -1, FALSE, TRUE, NULL, NULL},
  82         {"sid", hf_xmpp_conf_info_sid, FALSE, TRUE, NULL, NULL}
  83     };
  84
  85     xmpp_elem_info elems_info [] = {
  86         {NAME, "conference-description", xmpp_conf_desc, ONE},
  87         {NAME, "conference-state", xmpp_conf_state, ONE},
  88         /*{NAME, "host-info", xmpp_conf_host_info, ONE},*/
  89         {NAME, "users", xmpp_conf_users, ONE},
  90         /*{NAME, "sidebars-by-ref", xmpp_conf_sidebars_by_ref, ONE},*/
  91         /*{NAME, "sidebars-by-val", xmpp_conf_sidebars_by_val, ONE},*/
  92     };
  93
  94     col_append_str(pinfo->cinfo, COL_INFO, "CONFERENC-INFO ");
  95
  96     cinfo_item = proto_tree_add_item(tree, hf_xmpp_conf_info, tvb, element->offset, element->length,
  97         ENC_BIG_ENDIAN);
  98     cinfo_tree = proto_item_add_subtree(cinfo_item, ett_xmpp_conf_info);
  99
 100     xmpp_display_attrs(cinfo_tree, element, pinfo, tvb, attrs_info, array_length(attrs_info));
 101     xmpp_display_elems(cinfo_tree, element, pinfo, tvb, elems_info, array_length(elems_info));
 102 }
 103
 104 static void
 105 xmpp_conf_desc(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element)
 106 {
 107     proto_item *desc_item;
 108     proto_tree *desc_tree;
 109
 110     xmpp_attr_info attrs_info [] = {
 111         {"subject", -1, FALSE, TRUE, NULL, NULL},
 112         {"display-text", -1, FALSE, FALSE, NULL, NULL},
 113         {"free-text", -1, FALSE, FALSE, NULL, NULL},
 114         {"max-user-count", -1, FALSE, FALSE, NULL, NULL},
 115     };
 116
 117 /*
 118     xmpp_elem_info elems_info [] = {
 119         {NAME, "keywords", xmpp_conf_desc_keywords, ONE},
 120         {NAME, "conf-uris", xmpp_conf_desc_conf_uris, ONE},
 121         {NAME, "service-uris", xmpp_conf_desc_serv_uris, ONE},
 122         {NAME, "available-media", xmpp_conf_desc_avil_media, ONE},
 123     };
 124 */
 125
 126     desc_item = proto_tree_add_text(tree, tvb, element->offset, element->length, "CONFERENCE DESCRIPTION");
 127     desc_tree = proto_item_add_subtree(desc_item, ett_xmpp_conf_desc);
 128
 129     xmpp_change_elem_to_attrib("subject", "subject", element, xmpp_transform_func_cdata);
 130     xmpp_change_elem_to_attrib("display-text", "display-text", element, xmpp_transform_func_cdata);
 131     xmpp_change_elem_to_attrib("free-text", "free-text", element, xmpp_transform_func_cdata);
 132     xmpp_change_elem_to_attrib("maximum-user-count", "max-user-count", element, xmpp_transform_func_cdata);
 133
 134     xmpp_display_attrs(desc_tree, element, pinfo, tvb, attrs_info, array_length(attrs_info));
 135     xmpp_display_elems(desc_tree, element, pinfo, tvb, NULL,0);
 136 }
 137
 138 static void
 139 xmpp_conf_state(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element)
 140 {
 141     proto_item *state_item;
 142     proto_tree *state_tree;
 143
 144     xmpp_attr_info attrs_info [] = {
 145         {"user-count", -1, FALSE, TRUE, NULL, NULL},
 146         {"active", -1, FALSE, TRUE, NULL, NULL},
 147         {"locked", -1, FALSE, TRUE, NULL, NULL}
 148     };
 149
 150     state_item = proto_tree_add_text(tree, tvb, element->offset, element->length, "CONFERENCE STATE");
 151     state_tree = proto_item_add_subtree(state_item, ett_xmpp_conf_state);
 152
 153     xmpp_change_elem_to_attrib("user-count", "user-count", element, xmpp_transform_func_cdata);
 154     xmpp_change_elem_to_attrib("active", "active", element, xmpp_transform_func_cdata);
 155     xmpp_change_elem_to_attrib("locked", "locked", element, xmpp_transform_func_cdata);
 156
 157     xmpp_display_attrs(state_tree, element, pinfo, tvb, attrs_info, array_length(attrs_info));
 158     xmpp_display_elems(state_tree, element, pinfo, tvb, NULL,0);
 159
 160 }
 161
 162 static void
 163 xmpp_conf_users(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element)
 164 {
 165     proto_item *users_item;
 166     proto_tree *users_tree;
 167
 168     xmpp_attr_info attrs_info [] = {
 169         {"state", -1, FALSE, TRUE, NULL, NULL}
 170     };
 171
 172     xmpp_elem_info elems_info [] = {
 173         {NAME, "user", xmpp_conf_user, MANY}
 174     };
 175
 176     users_item = proto_tree_add_text(tree, tvb, element->offset, element->length, "USERS");
 177     users_tree = proto_item_add_subtree(users_item, ett_xmpp_conf_users);
 178
 179     xmpp_display_attrs(users_tree, element, pinfo, tvb, attrs_info, array_length(attrs_info));
 180     xmpp_display_elems(users_tree, element, pinfo, tvb, elems_info, array_length(elems_info));
 181 }
 182 static void
 183 xmpp_conf_user(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element)
 184 {
 185     proto_item *user_item;
 186     proto_tree *user_tree;
 187
 188     xmpp_attr_info attrs_info [] = {
 189         {"entity", -1, FALSE, TRUE, NULL, NULL},
 190         {"state", -1, FALSE, TRUE, NULL, NULL},
 191         {"display-text", -1, FALSE, TRUE, NULL, NULL},
 192         {"cascaded-focus", -1, FALSE, TRUE, NULL, NULL}
 193     };
 194
 195     xmpp_elem_info elems_info [] = {
 196         /*{NAME, "associated-aors", xmpp_conf_assoc_aors, ONE},*/
 197         /*{NAME, "roles", xmpp_conf_roles, ONE},*/
 198         /*{NAME, "languages", xmpp_conf_langs, ONE},*/
 199         {NAME, "endpoint", xmpp_conf_endpoint, MANY},
 200     };
 201
 202     user_item = proto_tree_add_text(tree, tvb, element->offset, element->length, "USERS");
 203     user_tree = proto_item_add_subtree(user_item, ett_xmpp_conf_user);
 204
 205     xmpp_change_elem_to_attrib("display-text", "display-text", element, xmpp_transform_func_cdata);
 206     xmpp_change_elem_to_attrib("cascaded-focus", "cascaded-focus", element, xmpp_transform_func_cdata);
 207
 208     xmpp_display_attrs(user_tree, element, pinfo, tvb, attrs_info, array_length(attrs_info));
 209     xmpp_display_elems(user_tree, element, pinfo, tvb, elems_info, array_length(elems_info));
 210 }
 211
 212 static void
 213 xmpp_conf_endpoint(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element)
 214 {
 215     proto_item *endpoint_item;
 216     proto_tree *endpoint_tree;
 217
 218     xmpp_attr_info attrs_info [] = {
 219         {"entity", -1, FALSE, TRUE, NULL, NULL},
 220         {"state", -1, FALSE, TRUE, NULL, NULL},
 221         {"display-text", -1, FALSE, TRUE, NULL, NULL},
 222         {"status", -1, FALSE, TRUE, NULL, NULL},
 223         {"joining-method", -1, FALSE, TRUE, NULL, NULL},
 224         {"disconnection-method", -1, FALSE, TRUE, NULL, NULL},
 225     };
 226
 227     xmpp_elem_info elems_info [] = {
 228         /*{NAME,"referred",...,ONE},*/
 229         /*{NAME,"joining-info",...,ONE},*/
 230         /*{NAME,"disconnection-info",...,ONE},*/
 231         {NAME,"media", xmpp_conf_media, ONE},
 232         /*{NAME,"call-info",...,ONE},*/
 233
 234     };
 235
 236     endpoint_item = proto_tree_add_text(tree, tvb, element->offset, element->length, "ENDPOINT");
 237     endpoint_tree = proto_item_add_subtree(endpoint_item, ett_xmpp_conf_endpoint);
 238
 239     xmpp_change_elem_to_attrib("display-text", "display-text", element, xmpp_transform_func_cdata);
 240     xmpp_change_elem_to_attrib("status", "status", element, xmpp_transform_func_cdata);
 241     xmpp_change_elem_to_attrib("joining-method", "joining-method", element, xmpp_transform_func_cdata);
 242     xmpp_change_elem_to_attrib("disconnection-method", "disconnection-method", element, xmpp_transform_func_cdata);
 243
 244
 245     xmpp_display_attrs(endpoint_tree, element, pinfo, tvb, attrs_info, array_length(attrs_info));
 246     xmpp_display_elems(endpoint_tree, element, pinfo, tvb, elems_info, array_length(elems_info));
 247 }
 248
 249 static void
 250 xmpp_conf_media(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element)
 251 {
 252     proto_item *media_item;
 253     proto_tree *media_tree;
 254
 255     xmpp_attr_info attrs_info[] = {
 256         {"id", -1, TRUE, TRUE, NULL, NULL},
 257         {"display-text", -1, FALSE, TRUE, NULL, NULL},
 258         {"type", -1, FALSE, TRUE, NULL, NULL},
 259         {"label", -1, FALSE, TRUE, NULL, NULL},
 260         {"src-id", -1, FALSE, TRUE, NULL, NULL},
 261         {"status", -1, FALSE, TRUE, NULL, NULL},
 262     };
 263
 264     media_item = proto_tree_add_text(tree, tvb, element->offset, element->length, "MEDIA");
 265     media_tree = proto_item_add_subtree(media_item, ett_xmpp_conf_media);
 266
 267     xmpp_change_elem_to_attrib("display-text", "display-text", element, xmpp_transform_func_cdata);
 268     xmpp_change_elem_to_attrib("type", "type", element, xmpp_transform_func_cdata);
 269     xmpp_change_elem_to_attrib("label", "label", element, xmpp_transform_func_cdata);
 270     xmpp_change_elem_to_attrib("src-id", "src-id", element, xmpp_transform_func_cdata);
 271     xmpp_change_elem_to_attrib("status", "status", element, xmpp_transform_func_cdata);
 272
 273     xmpp_display_attrs(media_tree, element, pinfo, tvb, attrs_info, array_length(attrs_info));
 274     xmpp_display_elems(media_tree, element, pinfo, tvb, NULL, 0);
 275 }
 276 /*
 277 * Editor modelines - http://www.wireshark.org/tools/modelines.html
 278 *
 279 * Local variables:
 280 * c-basic-offset: 4
 281 * tab-width: 8
 282 * indent-tabs-mode: nil
 283 * End:
 284 *
 285 * ex: set shiftwidth=4 tabstop=8 expandtab:
 286 * :indentSize=4:tabSize=8:noTabs=true:
 287 */