void send_iq_error(LmConnection *c, LmMessage *m, guint error)
{
LmMessage *r;
r = lm_message_new_iq_error(m, error);
lm_connection_send(c, r, NULL);
lm_message_unref(r);
}
LmHandlerResult handle_iq_commands(LmMessageHandler *h,
LmConnection *c,
LmMessage *m, gpointer ud)
{
const char *requester_jid = NULL;
LmMessageNode *cmd;
const struct adhoc_command *command;
// mcabber has only partial XEP-0146 support...
if (LM_MESSAGE_SUB_TYPE_SET != lm_message_get_sub_type(m))
return LM_HANDLER_RESULT_ALLOW_MORE_HANDLERS;
requester_jid = lm_message_get_from(m);
cmd = lm_message_node_get_child(m->node, "command");
if (!cmd) {
//send_iq_error(c, m, XMPP_ERROR_BAD_REQUEST);
return LM_HANDLER_RESULT_REMOVE_MESSAGE;
}
if (jid_equal(lm_connection_get_jid(c), requester_jid)) {
const char *action, *node;
action = lm_message_node_get_attribute(cmd, "action");
node = lm_message_node_get_attribute(cmd, "node");
// action can be NULL, in which case it seems to take the default,
// ie execute
if (!action || !strcmp(action, "execute") || !strcmp(action, "cancel")
|| !strcmp(action, "next") || !strcmp(action, "complete")) {
for (command = adhoc_command_list; command->name; command++) {
if (!strcmp(node, command->name))
command->callback(h, c, m, ud);
}
// "prev" action will get there, as we do not implement it,
// and do not authorize it
} else {
LmMessage *r;
LmMessageNode *err;
r = lm_message_new_iq_error(m, XMPP_ERROR_BAD_REQUEST);
if (r) {
err = lm_message_node_get_child(r->node, "error");
lm_message_node_set_attribute
(lm_message_node_add_child(err, "malformed-action", NULL),
"xmlns", NS_COMMANDS);
lm_connection_send(c, r, NULL);
lm_message_unref(r);
}
}
} else {
send_iq_error(c, m, XMPP_ERROR_FORBIDDEN);
}
return LM_HANDLER_RESULT_REMOVE_MESSAGE;
}
