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-rw-r--r--src/xmpp/xmpp_component.cpp33
1 files changed, 21 insertions, 12 deletions
diff --git a/src/xmpp/xmpp_component.cpp b/src/xmpp/xmpp_component.cpp
index 7e00346..eb23087 100644
--- a/src/xmpp/xmpp_component.cpp
+++ b/src/xmpp/xmpp_component.cpp
@@ -367,6 +367,18 @@ void XmppComponent::handle_message(const Stanza& stanza)
stanza_error.disable();
}
+// We MUST return an iq, whatever happens, except if the type is
+// "result".
+// To do this, we use a scopeguard. If an exception is raised somewhere, an
+// iq of type error "internal-server-error" is sent. If we handle the
+// request properly (by calling a function that registers an iq to be sent
+// later, or that directly sends an iq), we disable the ScopeGuard. If we
+// reach the end of the function without having disabled the scopeguard, we
+// send a "feature-not-implemented" iq as a result. If an other kind of
+// error is found (for example the feature is implemented in biboumi, but
+// the request is missing some attribute) we can just change the values of
+// error_type and error_name and return from the function (without disabling
+// the scopeguard); an iq error will be sent
void XmppComponent::handle_iq(const Stanza& stanza)
{
std::string id = stanza.get_tag("id");
@@ -386,6 +398,8 @@ void XmppComponent::handle_iq(const Stanza& stanza)
Bridge* bridge = this->get_user_bridge(from);
Jid to(to_str);
+ // These two values will be used in the error iq sent if we don't disable
+ // the scopeguard.
std::string error_type("cancel");
std::string error_name("internal-server-error");
utils::ScopeGuard stanza_error([&](){
@@ -403,19 +417,14 @@ void XmppComponent::handle_iq(const Stanza& stanza)
std::string nick = child->get_tag("nick");
std::string role = child->get_tag("role");
if (!nick.empty() && role == "none")
- {
+ { // This is a kick
std::string reason;
XmlNode* reason_el = child->get_child(MUC_ADMIN_NS":reason");
if (reason_el)
reason = reason_el->get_inner();
Iid iid(to.local);
bridge->send_irc_kick(iid, nick, reason);
- }
- else
- {
- error_type = "cancel";
- error_name = "feature-not-implemented";
- return;
+ stanza_error.disable();
}
}
}
@@ -428,16 +437,16 @@ void XmppComponent::handle_iq(const Stanza& stanza)
if (to_str == this->served_hostname)
{ // On the gateway itself
this->send_self_disco_info(id, from);
+ stanza_error.disable();
}
}
}
- else
+ else if (type == "result")
{
- error_type = "cancel";
- error_name = "feature-not-implemented";
- return;
+ stanza_error.disable();
}
- stanza_error.disable();
+ error_type = "cancel";
+ error_name = "feature-not-implemented";
}
void XmppComponent::handle_error(const Stanza& stanza)