DiscoEntity: Answer to requests send to the caps node

src/XMPPDiscoEntity.m

@@ -31,7 +31,21 @@
 	return [[[self alloc] initWithConnection: connection] autorelease];
 }
 
++ discoEntityWithConnection: (XMPPConnection*)connection
+		   capsNode: (OFString*)capsNode
+{
+	return [[[self alloc] initWithConnection: connection
+					capsNode: capsNode] autorelease];
+}
+
 - initWithConnection: (XMPPConnection*)connection
+{
+	return [self initWithConnection: connection
+			       capsNode: nil];
+}
+
+- initWithConnection: (XMPPConnection*)connection
+	    capsNode: (OFString*)capsNode
 {
 	self = [super initWithJID: [connection JID]
 			     node: nil];
@@ -39,6 +53,7 @@
 	@try {
 		_discoNodes = [OFMutableDictionary new];
 		_connection = connection;
+		_capsNode = [capsNode copy];
 
 		[_connection addDelegate: self];
 	} @catch (id e) {
@@ -68,6 +83,11 @@
 			forKey: [node node]];
 }
 
+- (OFString*)capsNode
+{
+	OF_GETTER(_capsNode, YES);
+}
+
 - (OFString*)capsHash
 {
 	OFMutableString *caps = [OFMutableString string];
@@ -117,10 +137,17 @@
 	if (query != nil) {
 		OFString *node =
 		    [[query attributeForName: @"node"] stringValue];
+
 		if (node == nil)
 			return [self XMPP_handleInfoIQ: IQ
 					    connection: connection];
 
+		OFString *capsNode = [_capsNode stringByAppendingFormat: @"#%@",
+					 [self capsHash]];
+		if ([capsNode isEqual: node])
+			return [self XMPP_handleInfoIQ: IQ
+					    connection: connection];
+
 		XMPPDiscoNode *responder = [_discoNodes objectForKey: node];
 		if (responder != nil)
 			return [responder XMPP_handleInfoIQ: IQ