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  * Wireshark - Network traffic analyzer
   9  * By Gerald Combs <gerald@wireshark.org>
  10  * Copyright 1998 Gerald Combs
  11  *
  12  * SPDX-License-Identifier: GPL-2.0-or-later
  13  */
  14
  15 #include "config.h"
  16
  17 #include <epan/packet.h>
  18
  19 #include "packet-xmpp.h"
  20 #include "packet-xmpp-conference.h"
  21
  22
  23 static void xmpp_conf_desc(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element);
  24 static void xmpp_conf_state(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element);
  25 static void xmpp_conf_users(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element);
  26 static void xmpp_conf_user(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element);
  27 static void xmpp_conf_endpoint(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element);
  28 static void xmpp_conf_media(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element);
  29
  30 void
  31 xmpp_conferece_info_advert(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element)
  32 {
  33     proto_item *cinfo_item;
  34     proto_tree *cinfo_tree;
  35
  36     xmpp_attr_info attrs_info [] = {
  37         {"xmlns", &hf_xmpp_xmlns, true, true, NULL, NULL},
  38         {"isfocus", NULL, true, true, NULL, NULL}
  39     };
  40
  41     cinfo_item = proto_tree_add_item(tree, hf_xmpp_conf_info, tvb, element->offset, element->length,
  42         ENC_BIG_ENDIAN);
  43     cinfo_tree = proto_item_add_subtree(cinfo_item, ett_xmpp_conf_info);
  44
  45     xmpp_display_attrs(cinfo_tree, element, pinfo, tvb, attrs_info, array_length(attrs_info));
  46     xmpp_display_elems(cinfo_tree, element, pinfo, tvb, NULL, 0);
  47 }
  48
  49 void
  50 xmpp_conference_info(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     static const char *state_enums[] = {"full", "partial", "deleted"};
  56     xmpp_array_t *state_array = xmpp_ep_init_array_t(pinfo->pool, state_enums, array_length(state_enums));
  57
  58     xmpp_attr_info attrs_info [] = {
  59         {"xmlns", &hf_xmpp_xmlns, true, true, NULL, NULL},
  60         {"entity", NULL, true, true, NULL, NULL},
  61         {"state", NULL, false, true, xmpp_val_enum_list, state_array},
  62         {"version", NULL, false, true, NULL, NULL},
  63         {"sid", &hf_xmpp_conf_info_sid, false, true, NULL, NULL}
  64     };
  65
  66     xmpp_elem_info elems_info [] = {
  67         {NAME, "conference-description", xmpp_conf_desc, ONE},
  68         {NAME, "conference-state", xmpp_conf_state, ONE},
  69         /*{NAME, "host-info", xmpp_conf_host_info, ONE},*/
  70         {NAME, "users", xmpp_conf_users, ONE},
  71         /*{NAME, "sidebars-by-ref", xmpp_conf_sidebars_by_ref, ONE},*/
  72         /*{NAME, "sidebars-by-val", xmpp_conf_sidebars_by_val, ONE},*/
  73     };
  74
  75     col_append_str(pinfo->cinfo, COL_INFO, "CONFERENC-INFO ");
  76
  77     cinfo_item = proto_tree_add_item(tree, hf_xmpp_conf_info, tvb, element->offset, element->length,
  78         ENC_BIG_ENDIAN);
  79     cinfo_tree = proto_item_add_subtree(cinfo_item, ett_xmpp_conf_info);
  80
  81     xmpp_display_attrs(cinfo_tree, element, pinfo, tvb, attrs_info, array_length(attrs_info));
  82     xmpp_display_elems(cinfo_tree, element, pinfo, tvb, elems_info, array_length(elems_info));
  83 }
  84
  85 static void
  86 xmpp_conf_desc(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element)
  87 {
  88     proto_tree *desc_tree;
  89
  90     xmpp_attr_info attrs_info [] = {
  91         {"subject", NULL, false, true, NULL, NULL},
  92         {"display-text", NULL, false, false, NULL, NULL},
  93         {"free-text", NULL, false, false, NULL, NULL},
  94         {"max-user-count", NULL, false, false, NULL, NULL},
  95     };
  96
  97 /*
  98     xmpp_elem_info elems_info [] = {
  99         {NAME, "keywords", xmpp_conf_desc_keywords, ONE},
 100         {NAME, "conf-uris", xmpp_conf_desc_conf_uris, ONE},
 101         {NAME, "service-uris", xmpp_conf_desc_serv_uris, ONE},
 102         {NAME, "available-media", xmpp_conf_desc_avil_media, ONE},
 103     };
 104 */
 105
 106     desc_tree = proto_tree_add_subtree(tree, tvb, element->offset, element->length, ett_xmpp_conf_desc, NULL, "CONFERENCE DESCRIPTION");
 107
 108     xmpp_change_elem_to_attrib(pinfo->pool, "subject", "subject", element, xmpp_transform_func_cdata);
 109     xmpp_change_elem_to_attrib(pinfo->pool, "display-text", "display-text", element, xmpp_transform_func_cdata);
 110     xmpp_change_elem_to_attrib(pinfo->pool, "free-text", "free-text", element, xmpp_transform_func_cdata);
 111     xmpp_change_elem_to_attrib(pinfo->pool, "maximum-user-count", "max-user-count", element, xmpp_transform_func_cdata);
 112
 113     xmpp_display_attrs(desc_tree, element, pinfo, tvb, attrs_info, array_length(attrs_info));
 114     xmpp_display_elems(desc_tree, element, pinfo, tvb, NULL,0);
 115 }
 116
 117 static void
 118 xmpp_conf_state(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element)
 119 {
 120     proto_tree *state_tree;
 121
 122     xmpp_attr_info attrs_info [] = {
 123         {"user-count", NULL, false, true, NULL, NULL},
 124         {"active", NULL, false, true, NULL, NULL},
 125         {"locked", NULL, false, true, NULL, NULL}
 126     };
 127
 128     state_tree = proto_tree_add_subtree(tree, tvb, element->offset, element->length,
 129                                         ett_xmpp_conf_state, NULL, "CONFERENCE STATE");
 130
 131     xmpp_change_elem_to_attrib(pinfo->pool, "user-count", "user-count", element, xmpp_transform_func_cdata);
 132     xmpp_change_elem_to_attrib(pinfo->pool, "active", "active", element, xmpp_transform_func_cdata);
 133     xmpp_change_elem_to_attrib(pinfo->pool, "locked", "locked", element, xmpp_transform_func_cdata);
 134
 135     xmpp_display_attrs(state_tree, element, pinfo, tvb, attrs_info, array_length(attrs_info));
 136     xmpp_display_elems(state_tree, element, pinfo, tvb, NULL,0);
 137
 138 }
 139
 140 static void
 141 xmpp_conf_users(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element)
 142 {
 143     proto_tree *users_tree;
 144
 145     xmpp_attr_info attrs_info [] = {
 146         {"state", NULL, false, true, NULL, NULL}
 147     };
 148
 149     xmpp_elem_info elems_info [] = {
 150         {NAME, "user", xmpp_conf_user, MANY}
 151     };
 152
 153     users_tree = proto_tree_add_subtree(tree, tvb, element->offset, element->length, ett_xmpp_conf_users, NULL, "USERS");
 154
 155     xmpp_display_attrs(users_tree, element, pinfo, tvb, attrs_info, array_length(attrs_info));
 156     xmpp_display_elems(users_tree, element, pinfo, tvb, elems_info, array_length(elems_info));
 157 }
 158 static void
 159 xmpp_conf_user(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element)
 160 {
 161     proto_tree *user_tree;
 162
 163     xmpp_attr_info attrs_info [] = {
 164         {"entity", NULL, false, true, NULL, NULL},
 165         {"state", NULL, false, true, NULL, NULL},
 166         {"display-text", NULL, false, true, NULL, NULL},
 167         {"cascaded-focus", NULL, false, true, NULL, NULL}
 168     };
 169
 170     xmpp_elem_info elems_info [] = {
 171         /*{NAME, "associated-aors", xmpp_conf_assoc_aors, ONE},*/
 172         /*{NAME, "roles", xmpp_conf_roles, ONE},*/
 173         /*{NAME, "languages", xmpp_conf_langs, ONE},*/
 174         {NAME, "endpoint", xmpp_conf_endpoint, MANY},
 175     };
 176
 177     user_tree = proto_tree_add_subtree(tree, tvb, element->offset, element->length, ett_xmpp_conf_user, NULL, "USERS");
 178
 179     xmpp_change_elem_to_attrib(pinfo->pool, "display-text", "display-text", element, xmpp_transform_func_cdata);
 180     xmpp_change_elem_to_attrib(pinfo->pool, "cascaded-focus", "cascaded-focus", element, xmpp_transform_func_cdata);
 181
 182     xmpp_display_attrs(user_tree, element, pinfo, tvb, attrs_info, array_length(attrs_info));
 183     xmpp_display_elems(user_tree, element, pinfo, tvb, elems_info, array_length(elems_info));
 184 }
 185
 186 static void
 187 xmpp_conf_endpoint(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element)
 188 {
 189     proto_tree *endpoint_tree;
 190
 191     xmpp_attr_info attrs_info [] = {
 192         {"entity", NULL, false, true, NULL, NULL},
 193         {"state", NULL, false, true, NULL, NULL},
 194         {"display-text", NULL, false, true, NULL, NULL},
 195         {"status", NULL, false, true, NULL, NULL},
 196         {"joining-method", NULL, false, true, NULL, NULL},
 197         {"disconnection-method", NULL, false, true, NULL, NULL},
 198     };
 199
 200     xmpp_elem_info elems_info [] = {
 201         /*{NAME,"referred",...,ONE},*/
 202         /*{NAME,"joining-info",...,ONE},*/
 203         /*{NAME,"disconnection-info",...,ONE},*/
 204         {NAME,"media", xmpp_conf_media, ONE},
 205         /*{NAME,"call-info",...,ONE},*/
 206
 207     };
 208
 209     endpoint_tree = proto_tree_add_subtree(tree, tvb, element->offset, element->length, ett_xmpp_conf_endpoint, NULL, "ENDPOINT");
 210
 211     xmpp_change_elem_to_attrib(pinfo->pool, "display-text", "display-text", element, xmpp_transform_func_cdata);
 212     xmpp_change_elem_to_attrib(pinfo->pool, "status", "status", element, xmpp_transform_func_cdata);
 213     xmpp_change_elem_to_attrib(pinfo->pool, "joining-method", "joining-method", element, xmpp_transform_func_cdata);
 214     xmpp_change_elem_to_attrib(pinfo->pool, "disconnection-method", "disconnection-method", element, xmpp_transform_func_cdata);
 215
 216
 217     xmpp_display_attrs(endpoint_tree, element, pinfo, tvb, attrs_info, array_length(attrs_info));
 218     xmpp_display_elems(endpoint_tree, element, pinfo, tvb, elems_info, array_length(elems_info));
 219 }
 220
 221 static void
 222 xmpp_conf_media(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, xmpp_element_t *element)
 223 {
 224     proto_tree *media_tree;
 225
 226     xmpp_attr_info attrs_info[] = {
 227         {"id", NULL, true, true, NULL, NULL},
 228         {"display-text", NULL, false, true, NULL, NULL},
 229         {"type", NULL, false, true, NULL, NULL},
 230         {"label", NULL, false, true, NULL, NULL},
 231         {"src-id", NULL, false, true, NULL, NULL},
 232         {"status", NULL, false, true, NULL, NULL},
 233     };
 234
 235     media_tree = proto_tree_add_subtree(tree, tvb, element->offset, element->length, ett_xmpp_conf_media, NULL, "MEDIA");
 236
 237     xmpp_change_elem_to_attrib(pinfo->pool, "display-text", "display-text", element, xmpp_transform_func_cdata);
 238     xmpp_change_elem_to_attrib(pinfo->pool, "type", "type", element, xmpp_transform_func_cdata);
 239     xmpp_change_elem_to_attrib(pinfo->pool, "label", "label", element, xmpp_transform_func_cdata);
 240     xmpp_change_elem_to_attrib(pinfo->pool, "src-id", "src-id", element, xmpp_transform_func_cdata);
 241     xmpp_change_elem_to_attrib(pinfo->pool, "status", "status", element, xmpp_transform_func_cdata);
 242
 243     xmpp_display_attrs(media_tree, element, pinfo, tvb, attrs_info, array_length(attrs_info));
 244     xmpp_display_elems(media_tree, element, pinfo, tvb, NULL, 0);
 245 }
 246 /*
 247 * Editor modelines - https://www.wireshark.org/tools/modelines.html
 248 *
 249 * Local variables:
 250 * c-basic-offset: 4
 251 * tab-width: 8
 252 * indent-tabs-mode: nil
 253 * End:
 254 *
 255 * ex: set shiftwidth=4 tabstop=8 expandtab:
 256 * :indentSize=4:tabSize=8:noTabs=true:
 257 */