void
xmpp_iq_reqresp_track(packet_info *pinfo, xmpp_element_t *packet, xmpp_conv_info_t *xmpp_info)
{
xmpp_transaction_t *xmpp_trans = NULL;
xmpp_attr_t *attr_id;
char *id;
attr_id = xmpp_get_attr(packet, "id");
if (!attr_id) {
return;
}
id = ep_strdup(attr_id->value);
if (!pinfo->fd->flags.visited) {
xmpp_trans = (xmpp_transaction_t *)se_tree_lookup_string(xmpp_info->req_resp, id, EMEM_TREE_STRING_NOCASE);
if (xmpp_trans) {
xmpp_trans->resp_frame = pinfo->fd->num;
} else {
char *se_id = se_strdup(id);
xmpp_trans = (xmpp_transaction_t *)se_alloc(sizeof (xmpp_transaction_t));
xmpp_trans->req_frame = pinfo->fd->num;
xmpp_trans->resp_frame = 0;
se_tree_insert_string(xmpp_info->req_resp, se_id, (void *) xmpp_trans, EMEM_TREE_STRING_NOCASE);
}
} else {
se_tree_lookup_string(xmpp_info->req_resp, id, EMEM_TREE_STRING_NOCASE);
}
}
void
xmpp_iq(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, element_t *packet)
{
proto_item *xmpp_iq_item;
proto_tree *xmpp_iq_tree;
attr_t *attr_id, *attr_type;
attr_info attrs_info[] = {
{"xmlns", hf_xmpp_xmlns, FALSE, FALSE, NULL, NULL},
{"id", hf_xmpp_id, TRUE, TRUE, NULL, NULL},
{"type", hf_xmpp_type, TRUE, TRUE, NULL, NULL},
{"from", hf_xmpp_from, FALSE, TRUE, NULL, NULL},
{"to", hf_xmpp_to, FALSE, TRUE, NULL, NULL},
{"xml:lang", -1, FALSE, FALSE, NULL, NULL}
};
conversation_t *conversation = NULL;
xmpp_conv_info_t *xmpp_info = NULL;
xmpp_transaction_t *reqresp_trans = NULL;
elem_info elems_info [] = {
{NAME_AND_ATTR, name_attr_struct("query", "xmlns","http://jabber.org/protocol/disco#items"), xmpp_disco_items_query, ONE},
{NAME_AND_ATTR, name_attr_struct("query", "xmlns", "jabber:iq:roster"), xmpp_roster_query, ONE},
{NAME_AND_ATTR, name_attr_struct("query", "xmlns", "http://jabber.org/protocol/disco#info"), xmpp_disco_info_query, ONE},
{NAME_AND_ATTR, name_attr_struct("query", "xmlns", "http://jabber.org/protocol/bytestreams"), xmpp_bytestreams_query, ONE},
{NAME_AND_ATTR, name_attr_struct("query", "xmlns", "http://jabber.org/protocol/muc#owner"), xmpp_muc_owner_query, ONE},
{NAME_AND_ATTR, name_attr_struct("query", "xmlns", "http://jabber.org/protocol/muc#admin"), xmpp_muc_admin_query, ONE},
{NAME, "bind", xmpp_iq_bind, ONE},
{NAME_AND_ATTR, name_attr_struct("session", "xmlns", "urn:ietf:params:xml:ns:xmpp-session"), xmpp_session, ONE},
{NAME, "vCard", xmpp_vcard, ONE},
{NAME, "jingle", xmpp_jingle, ONE},
{NAME_AND_ATTR, name_attr_struct("services", "xmlns", "http://jabber.org/protocol/jinglenodes"), xmpp_jinglenodes_services, ONE},
{NAME_AND_ATTR, name_attr_struct("channel", "xmlns", "http://jabber.org/protocol/jinglenodes#channel"), xmpp_jinglenodes_channel, ONE},
{NAME_AND_ATTR, name_attr_struct("open", "xmlns", "http://jabber.org/protocol/ibb"), xmpp_ibb_open, ONE},
{NAME_AND_ATTR, name_attr_struct("close", "xmlns", "http://jabber.org/protocol/ibb"), xmpp_ibb_close, ONE},
{NAME_AND_ATTR, name_attr_struct("data", "xmlns", "http://jabber.org/protocol/ibb"), xmpp_ibb_data, ONE},
{NAME, "si", xmpp_si, ONE},
{NAME, "error", xmpp_error, ONE},
{NAME_AND_ATTR, name_attr_struct("session", "xmlns", "http://www.google.com/session"), xmpp_gtalk_session, ONE},
{NAME_AND_ATTR, name_attr_struct("query", "xmlns","google:jingleinfo"), xmpp_gtalk_jingleinfo_query, ONE},
{NAME_AND_ATTR, name_attr_struct("usersetting", "xmlns","google:setting"), xmpp_gtalk_usersetting, ONE},
{NAME_AND_ATTR, name_attr_struct("query", "xmlns","jabber:iq:last"), xmpp_last_query, ONE},
{NAME_AND_ATTR, name_attr_struct("query", "xmlns","jabber:iq:version"), xmpp_version_query, ONE},
{NAME_AND_ATTR, name_attr_struct("query", "xmlns","google:mail:notify"), xmpp_gtalk_mail_query, ONE},
{NAME, "mailbox", xmpp_gtalk_mail_mailbox, ONE},
{NAME, "new-mail", xmpp_gtalk_mail_new_mail, ONE},
{NAME_AND_ATTR, name_attr_struct("query", "xmlns","google:shared-status"), xmpp_gtalk_status_query, ONE},
{NAME, "conference-info", xmpp_conference_info, ONE},
{NAME_AND_ATTR, name_attr_struct("ping", "xmlns","urn:xmpp:ping"), xmpp_ping, ONE},
{NAME_AND_ATTR, name_attr_struct("inputevt", "xmlns","http://jitsi.org/protocol/inputevt"), xmpp_jitsi_inputevt, ONE},
};
attr_id = get_attr(packet, "id");
attr_type = get_attr(packet, "type");
conversation = find_or_create_conversation(pinfo);
xmpp_info = conversation_get_proto_data(conversation, proto_xmpp);
xmpp_iq_item = proto_tree_add_item(tree, hf_xmpp_iq, tvb, packet->offset, packet->length, TRUE);
xmpp_iq_tree = proto_item_add_subtree(xmpp_iq_item,ett_xmpp_iq);
display_attrs(xmpp_iq_tree, packet, pinfo, tvb, attrs_info, array_length(attrs_info));
col_clear(pinfo->cinfo, COL_INFO);
col_add_fstr(pinfo->cinfo, COL_INFO, "IQ(%s) ", attr_type?attr_type->value:"");
display_elems(xmpp_iq_tree, packet, pinfo, tvb, elems_info, array_length(elems_info));
/*displays generated info such as req/resp tracking, jingle sid
* in each packet related to specified jingle session and IBB sid in packet related to it*/
if(xmpp_info && attr_id)
{
gchar *jingle_sid, *ibb_sid, *gtalk_sid;
jingle_sid = se_tree_lookup_string(xmpp_info->jingle_sessions, attr_id->value, EMEM_TREE_STRING_NOCASE);
if (jingle_sid) {
proto_item *it = proto_tree_add_string(tree, hf_xmpp_jingle_session, tvb, 0, 0, jingle_sid);
PROTO_ITEM_SET_GENERATED(it);
}
ibb_sid = se_tree_lookup_string(xmpp_info->ibb_sessions, attr_id->value, EMEM_TREE_STRING_NOCASE);
if (ibb_sid) {
proto_item *it = proto_tree_add_string(tree, hf_xmpp_ibb, tvb, 0, 0, ibb_sid);
PROTO_ITEM_SET_GENERATED(it);
}
gtalk_sid = se_tree_lookup_string(xmpp_info->gtalk_sessions, attr_id->value, EMEM_TREE_STRING_NOCASE);
if (gtalk_sid) {
proto_item *it = proto_tree_add_string(tree, hf_xmpp_gtalk, tvb, 0, 0, gtalk_sid);
PROTO_ITEM_SET_GENERATED(it);
}
reqresp_trans = se_tree_lookup_string(xmpp_info->req_resp, attr_id->value, EMEM_TREE_STRING_NOCASE);
/*displays request/response field in each iq packet*/
if (reqresp_trans) {
if (reqresp_trans->req_frame == pinfo->fd->num) {
if (reqresp_trans->resp_frame) {
proto_item *it = proto_tree_add_uint(tree, hf_xmpp_response_in, tvb, 0, 0, reqresp_trans->resp_frame);
PROTO_ITEM_SET_GENERATED(it);
} else
{
expert_add_info_format(pinfo, xmpp_iq_item , PI_PROTOCOL, PI_CHAT, "Packet without response");
}
} else {
if (reqresp_trans->req_frame) {
proto_item *it = proto_tree_add_uint(tree, hf_xmpp_response_to, tvb, 0, 0, reqresp_trans->req_frame);
PROTO_ITEM_SET_GENERATED(it);
} else
{
expert_add_info_format(pinfo, xmpp_iq_item , PI_PROTOCOL, PI_CHAT, "Packet without response");
}
}
}
}
}
void
xmpp_message(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, element_t *packet)
{
proto_item *message_item;
proto_tree *message_tree;
const gchar *type_enums[] = {"chat", "error", "groupchat", "headline", "normal"};
array_t *type_array = ep_init_array_t(type_enums, array_length(type_enums));
attr_info attrs_info[] = {
{"from", hf_xmpp_from, FALSE, FALSE, NULL, NULL},
{"id", hf_xmpp_id, FALSE, TRUE, NULL, NULL},
{"to", hf_xmpp_to, FALSE, FALSE, NULL, NULL},
{"type", hf_xmpp_type, FALSE, TRUE, val_enum_list, type_array},
{"xml:lang",-1, FALSE, FALSE, NULL,NULL},
{"chatstate", hf_xmpp_message_chatstate, FALSE, TRUE, NULL, NULL}
};
elem_info elems_info [] = {
{NAME_AND_ATTR, name_attr_struct("data", "xmlns", "http://jabber.org/protocol/ibb"), xmpp_ibb_data, ONE},
{NAME, "thread", xmpp_message_thread, ONE},
{NAME, "body", xmpp_message_body, MANY},
{NAME, "subject", xmpp_message_subject, MANY},
{NAME, "delay", xmpp_delay, ONE},
{NAME_AND_ATTR, name_attr_struct("x","xmlns","jabber:x:event"), xmpp_x_event, ONE},
{NAME_AND_ATTR, name_attr_struct("x","xmlns","http://jabber.org/protocol/muc#user"), xmpp_muc_user_x, ONE},
{NAME_AND_ATTR, name_attr_struct("x","xmlns","google:nosave"), xmpp_gtalk_nosave_x, ONE},
{NAME, "error", xmpp_error, ONE}
};
element_t *chatstate;
attr_t *id = NULL;
conversation_t *conversation = NULL;
xmpp_conv_info_t *xmpp_info = NULL;
col_clear(pinfo->cinfo, COL_INFO);
col_append_fstr(pinfo->cinfo, COL_INFO, "MESSAGE ");
id = get_attr(packet, "id");
conversation = find_or_create_conversation(pinfo);
xmpp_info = conversation_get_proto_data(conversation, proto_xmpp);
message_item = proto_tree_add_item(tree, hf_xmpp_message, tvb, packet->offset, packet->length, FALSE);
message_tree = proto_item_add_subtree(message_item, ett_xmpp_message);
if((chatstate = steal_element_by_attr(packet, "xmlns", "http://jabber.org/protocol/chatstates"))!=NULL)
{
attr_t *fake_chatstate_attr = ep_init_attr_t(chatstate->name, chatstate->offset, chatstate->length);
g_hash_table_insert(packet->attrs, "chatstate", fake_chatstate_attr);
}
display_attrs(message_tree, packet, pinfo, tvb, attrs_info, array_length(attrs_info));
display_elems(message_tree, packet, pinfo, tvb, elems_info, array_length(elems_info));
/*Displays data about IBB session*/
if(xmpp_info && id)
{
gchar *ibb_sid;
ibb_sid = se_tree_lookup_string(xmpp_info->ibb_sessions, id->value, EMEM_TREE_STRING_NOCASE);
if (ibb_sid) {
proto_item *it = proto_tree_add_string(tree, hf_xmpp_ibb, tvb, 0, 0, ibb_sid);
PROTO_ITEM_SET_GENERATED(it);
}
}
}
