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/* |
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* disco.c -- Service discovery requests |
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* |
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* Copyrigth (C) 2009 Myhailo Danylenko <isbear@ukrpost.net> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or (at |
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* your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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* USA |
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*/ |
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#include <glib.h> |
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#include <gmodule.h> |
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#include <loudmouth/loudmouth.h> |
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#include <strings.h> |
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#include "commands.h" |
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#include "logprint.h" |
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#include "utils.h" |
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#include "xmpp.h" |
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#include "compl.h" |
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#include "xmpp_defines.h" |
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#include "screen.h" |
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#include "hbuf.h" |
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static LmHandlerResult disco_handler (LmMessageHandler *handler, LmConnection *connection, LmMessage *message, gpointer udata) |
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{ |
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int info_request = (int) udata; |
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switch (lm_message_get_sub_type (message)) { |
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case LM_MESSAGE_SUB_TYPE_RESULT: |
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{ |
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LmMessageNode *node = lm_message_get_node (message); |
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const gchar *from = lm_message_node_get_attribute (node, "from"); |
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GString *info; |
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node = lm_message_node_get_child (node, "query"); |
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// check xmlns |
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if (!node || strcmp (lm_message_node_get_attribute (node, "xmlns"), info_request ? NS_DISCO_INFO : NS_DISCO_ITEMS)) |
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break; |
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{ // header for user message |
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const gchar *rnode = lm_message_node_get_attribute (node, "node"); |
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// create user message string |
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info = g_string_new (NULL); |
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g_string_printf (info, "Service discovery %s results for %s", info_request ? "info" : "items", from); |
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if (rnode) |
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g_string_append_printf (info, " (%s):", rnode); |
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else |
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g_string_append (info, ":"); |
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} |
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if (node->children) { |
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// parse request results |
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if (info_request) { // info |
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GString *identities = g_string_new (NULL); |
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GString *features = g_string_new (NULL); |
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for (node = node->children; node; node = node->next) { |
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if (!strcasecmp (node->name, "identity")) { |
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const gchar *category = lm_message_node_get_attribute (node, "category"); |
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const gchar *type = lm_message_node_get_attribute (node, "type"); |
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const gchar *name = lm_message_node_get_attribute (node, "name"); |
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g_string_append_printf (identities, "\n [%s (%s)] %s", category ? category : "none", type ? type : "none", name ? name : ""); |
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} else if (!strcasecmp (node->name, "feature")) { |
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const gchar *var = lm_message_node_get_attribute (node, "var"); |
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g_string_append_printf (features, "\n [%s]", var ? var : "none"); |
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} |
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} |
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if (identities->str) |
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g_string_append_printf (info, "\n Identities:%s", identities->str); |
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if (features->str) |
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g_string_append_printf (info, "\n Features:%s", features->str); |
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g_string_free (identities, TRUE); |
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g_string_free (features, TRUE); |
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} else { // items |
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for (node = node->children; node; node = node->next) { |
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const gchar *name = lm_message_node_get_attribute (node, "name"); |
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const gchar *jid = lm_message_node_get_attribute (node, "jid"); |
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const gchar *inode = lm_message_node_get_attribute (node, "node"); |
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if (inode) |
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g_string_append_printf (info, "\n [%s (%s)] %s", jid ? jid : "none", inode, name ? name : ""); |
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else |
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g_string_append_printf (info, "\n [%s] %s", jid ? jid : "none", name ? name : ""); |
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} |
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} |
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} else |
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g_string_append (info, "\n Empty result."); |
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{ // print to buddy's buffer |
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gchar *jid = jidtodisp (from); |
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// XXX check for message size? conference server lists may be huge... |
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scr_WriteIncomingMessage (jid, info->str, 0, HBB_PREFIX_INFO, 0); // NO conversion from utf-8 |
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g_free (jid); |
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} |
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g_string_free (info, TRUE); |
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} |
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break; |
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case LM_MESSAGE_SUB_TYPE_ERROR: |
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{ |
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LmMessageNode *node = lm_message_get_node (message); |
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const gchar *from = lm_message_node_get_attribute (node, "from"); |
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const gchar *type; |
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const gchar *reason; |
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node = lm_message_node_get_child (node, "error"); |
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type = lm_message_node_get_attribute (node, "type"); |
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if (node->children) |
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reason = node->children->name; |
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else |
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reason = "undefined"; |
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{ // print to buddy's buffer |
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gchar *jid = jidtodisp (from); |
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gchar *mesg = g_strdup_printf ("Service %s discovery for %s failed: %s - %s", info_request ? "info" : "items", from, type, reason); |
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scr_WriteIncomingMessage (jid, mesg, 0, HBB_PREFIX_INFO, 0); |
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g_free (mesg); |
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g_free (jid); |
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} |
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} |
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break; |
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default: |
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return LM_HANDLER_RESULT_ALLOW_MORE_HANDLERS; |
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break; |
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} |
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return LM_HANDLER_RESULT_REMOVE_MESSAGE; |
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} |
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static void do_disco (char *arg) |
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{ |
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char **args = split_arg (arg, 3, 0); |
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int info = -1; |
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if (!args[0] || !strcmp (args[0], "info")) |
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info = 1; |
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else if (!strcmp (args[0], "items")) |
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info = 0; |
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else |
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scr_LogPrint (LPRINT_NORMAL, "Unknown subcomand."); |
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if (info != -1) { |
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LmMessageHandler *handler; |
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LmMessage *request; |
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char *to = NULL; |
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char *dnode = NULL; |
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if (args[0] && args[1]) { |
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if (*args[1] == '.') { |
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if (*(args[1] + 1) == JID_RESOURCE_SEPARATOR) { // allow "./resource" notation |
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char *rest = to_utf8 (args[1] + 1); |
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to = g_strdup_printf ("%s%s", CURRENT_JID, rest); |
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g_free (rest); |
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} |
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} else |
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to = to_utf8 (args[1]); |
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if (args[2]) |
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dnode = to_utf8 (args[2]); |
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} |
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// XXX send to all resources/current resource? |
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handler = lm_message_handler_new (disco_handler, (gpointer) info, NULL); |
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{ // create message |
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LmMessageNode *node; |
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request = lm_message_new_with_sub_type (to ? to : CURRENT_JID, LM_MESSAGE_TYPE_IQ, LM_MESSAGE_SUB_TYPE_GET); |
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node = lm_message_get_node (request); |
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node = lm_message_node_add_child (node, "query", NULL); |
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lm_message_node_set_attribute (node, "xmlns", info ? NS_DISCO_INFO : NS_DISCO_ITEMS); |
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if (dnode) |
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lm_message_node_set_attribute (node, "node", dnode); |
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} |
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lm_connection_send_with_reply (lconnection, request, handler, NULL); |
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g_free (to); |
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g_free (dnode); |
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} |
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} |
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const gchar *g_module_check_init(GModule *module) |
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{ |
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// TODO completion |
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cmd_add ("disco", "", 0, COMPL_JID, do_disco, NULL); |
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return NULL; |
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} |
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void g_module_unload(GModule *module) |
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{ |
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cmd_del ("disco"); |
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} |
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/* vim: se ts=4: */ |