protocol: command must be checked before passing in

mercurial/hgweb/protocol.py

@@ -67,5 +67,5 b' def iscmd(cmd):'
 
 def call(repo, req, cmd):
     p = webproto(req)
-    r = wireproto.dispatch(repo, p, cmd)
+    wireproto.dispatch(repo, p, cmd)
     yield p.response

mercurial/sshserver.py

@@ -93,7 +93,9 b' class sshserver(object):'
 
     def serve_one(self):
         cmd = self.fin.readline()[:-1]
-        if cmd and not wireproto.dispatch(self.repo, self, cmd):
+        if cmd and cmd in wireproto.commands:
+            wireproto.dispatch(self.repo, self, cmd)
+        elif cmd:
             impl = getattr(self, 'do_' + cmd, None)
             if impl:
                 r = impl()

mercurial/wireproto.py

@@ -134,14 +134,11 b' class wirerepository(repo.repository):'
 # server side
 
 def dispatch(repo, proto, command):
-    if command not in commands:
-        return False
     func, spec = commands[command]
     args = proto.getargs(spec)
     r = func(repo, proto, *args)
     if r != None:
         proto.respond(r)
-    return True
 
 def between(repo, proto, pairs):
     pairs = [decodelist(p, '-') for p in pairs.split(" ")]