*
* Handle <iq> <get> <query> type situations (namespace queries)
*
- * Copyright (c) 2007 by Art Cancro
- * This code is released under the terms of the GNU General Public License.
+ * Copyright (c) 2007-2009 by Art Cancro
*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "sysdep.h"
#include <string.h>
#include <limits.h>
#include <ctype.h>
+#include <expat.h>
#include <libcitadel.h>
#include "citadel.h"
#include "server.h"
#include "internet_addressing.h"
#include "md5.h"
#include "ctdl_module.h"
-
-#ifdef HAVE_EXPAT
-#include <expat.h>
#include "serv_xmpp.h"
+/*
+ * Output a single roster item, for roster queries or pushes
+ */
+void jabber_roster_item(struct CitContext *cptr) {
+ cprintf("<item jid=\"%s\" name=\"%s\" subscription=\"both\">",
+ cptr->cs_inet_email,
+ cptr->user.fullname
+ );
+ cprintf("<group>%s</group>", config.c_humannode);
+ cprintf("</item>");
+}
+
/*
* Return the results for a "jabber:iq:roster:query"
*
void jabber_iq_roster_query(void)
{
struct CitContext *cptr;
+ int nContexts, i;
int aide = (CC->user.axlevel >= 6);
cprintf("<query xmlns=\"jabber:iq:roster\">");
- for (cptr = ContextList; cptr != NULL; cptr = cptr->next) {
-
- if (
- (((cptr->cs_flags&CS_STEALTH)==0) || (aide))
- && (cptr->user.usernum != CC->user.usernum)
- ) {
- cprintf("<item jid=\"%s\" name=\"%s\" subscription=\"both\">",
- cptr->cs_inet_email,
- cptr->user.fullname
- );
- cprintf("<group>%s</group>", config.c_humannode);
- cprintf("</item>");
+ cptr = CtdlGetContextArray(&nContexts);
+ if (cptr) {
+ for (i=0; i<nContexts; i++) {
+ if (cptr[i].logged_in) {
+ if (
+ (((cptr[i].cs_flags&CS_STEALTH)==0) || (aide))
+ && (cptr[i].user.usernum != CC->user.usernum)
+ ) {
+ jabber_roster_item(&cptr[i]);
+ }
+ }
}
+ free (cptr);
}
-
cprintf("</query>");
}
*
*/
-void xmpp_query_namespace(char *iq_id, char *iq_from, char *iq_to, char *query_xmlns) {
+void xmpp_query_namespace(char *iq_id, char *iq_from, char *iq_to, char *query_xmlns)
+{
+ int supported_namespace = 0;
- lprintf(CTDL_DEBUG, "\e[31mxmpp_query_namespace(%s, %s, %s, %s)\e[0m\n",
- iq_id, iq_from, iq_to, query_xmlns);
+ /* We need to know before we begin the response whether this is a supported namespace, so
+ * unfortunately all supported namespaces need to be defined here *and* down below where
+ * they are handled.
+ */
+ if (
+ (!strcasecmp(query_xmlns, "jabber:iq:roster:query"))
+ && (!strcasecmp(query_xmlns, "jabber:iq:auth:query"))
+ ) {
+ supported_namespace = 1;
+ }
+
+ CtdlLogPrintf(CTDL_DEBUG, "xmpp_query_namespace(%s, %s, %s, %s)\n", iq_id, iq_from, iq_to, query_xmlns);
/*
* Beginning of query result.
*/
- cprintf("<iq type=\"result\" ");
+ if (supported_namespace) {
+ cprintf("<iq type=\"result\" ");
+ }
+ else {
+ cprintf("<iq type=\"error\" ");
+ }
if (!IsEmptyStr(iq_from)) {
cprintf("to=\"%s\" ", iq_from);
}
/*
* Is this a query we know how to handle?
*/
+
if (!strcasecmp(query_xmlns, "jabber:iq:roster:query")) {
jabber_iq_roster_query();
}
+ else if (!strcasecmp(query_xmlns, "jabber:iq:auth:query")) {
+ cprintf("<query xmlns=\"jabber:iq:auth\">"
+ "<username/><password/><resource/>"
+ "</query>"
+ );
+ }
+
+ else {
+ CtdlLogPrintf(CTDL_DEBUG, "Unknown namespace; returning <service-unavailable/>\n");
+ cprintf("<error code=\"503\" type=\"cancel\">"
+ "<service-unavailable xmlns=\"urn:ietf:params:xml:ns:xmpp-stanzas\"/>"
+ "</error>"
+ );
+ }
+
/*
- * End of query result. If we didn't hit any known namespaces then we will
- * have simply delivered an empty result stanza, which should be ok.
+ * End of query result. If we didn't hit any known namespaces then we should
+ * deliver a "service unavailable" error (see RFC3921 section 2.4 and 11.1.5.4)
*/
cprintf("</iq>");
-
}
-
-#endif /* HAVE_EXPAT */