--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mcabber/mcabber/xmpp_s10n.c	Mon Jan 18 15:36:19 2010 +0200
@@ -0,0 +1,90 @@
+/*
+ * xmpp_s10n.c  -- Jabber presence subscription handling
+ *
+ * Copyright (C) 2008-2009 Frank Zschockelt <mcabber@freakysoft.de>
+ * Copyright (C) 2005-2009 Mikael Berthe <mikael@lilotux.net>
+ *
+ * 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 2 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 "xmpp_helper.h"
+#include "events.h"
+#include "screen.h"
+#include "hbuf.h"
+#include "settings.h"
+
+//  xmpp_send_s10n(jid, subtype)
+// Send a s10n message with the passed subtype
+void xmpp_send_s10n(const char *bjid, LmMessageSubType type)
+{
+  LmMessage *x = lm_message_new_with_sub_type(bjid,
+                                              LM_MESSAGE_TYPE_PRESENCE,
+                                              type);
+  lm_connection_send(lconnection, x, NULL);
+  lm_message_unref(x);
+}
+
+int evscallback_subscription(eviqs *evp, guint evcontext)
+{
+  char *barejid;
+  char *buf;
+
+  if (evcontext == EVS_CONTEXT_TIMEOUT) {
+    scr_LogPrint(LPRINT_LOGNORM, "Event %s timed out, cancelled.",
+                 evp->id);
+    return 0;
+  }
+  if (evcontext == EVS_CONTEXT_CANCEL) {
+    scr_LogPrint(LPRINT_LOGNORM, "Event %s cancelled.", evp->id);
+    return 0;
+  }
+  if (!(evcontext & EVS_CONTEXT_USER))
+    return 0;
+
+  // Sanity check
+  if (!evp->data) {
+    // Shouldn't happen, data should be set to the barejid.
+    scr_LogPrint(LPRINT_LOGNORM, "Error in evs callback.");
+    return 0;
+  }
+
+  // Ok, let's work now.
+  // evcontext: 0, 1 == reject, accept
+
+  barejid = evp->data;
+
+  if (evcontext & ~EVS_CONTEXT_USER) {
+    // Accept subscription request
+    xmpp_send_s10n(barejid, LM_MESSAGE_SUB_TYPE_SUBSCRIBED);
+    buf = g_strdup_printf("<%s> is allowed to receive your presence updates",
+                          barejid);
+  } else {
+    // Reject subscription request
+    xmpp_send_s10n(barejid, LM_MESSAGE_SUB_TYPE_UNSUBSCRIBED);
+    buf = g_strdup_printf("<%s> won't receive your presence updates", barejid);
+    if (settings_opt_get_int("delete_on_reject")) {
+      // Remove the buddy from the roster if there is no current subscription
+      if (roster_getsubscription(barejid) == sub_none)
+        xmpp_delbuddy(barejid);
+    }
+  }
+  scr_WriteIncomingMessage(barejid, buf, 0, HBB_PREFIX_INFO, 0);
+  scr_LogPrint(LPRINT_LOGNORM, "%s", buf);
+  g_free(buf);
+  return 0;
+}
+
+/* vim: set expandtab cindent cinoptions=>2\:2(0:  For Vim users... */