limit the number of concurrent connections for all four protocols

kick a client if it doesn't authenticate within 5s on ESD and native protocol


git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@292 fefdeb5f-60dc-0310-8127-8f9354f1896f

1 files changed, 9 insertions, 0 deletions

diff --git a/polyp/protocol-simple.c b/polyp/protocol-simple.c
index f7c69d6b..058d4b82 100644
--- a/polyp/protocol-simple.c
+++ b/polyp/protocol-simple.c
@@ -39,6 +39,9 @@
 #include "xmalloc.h"
 #include "log.h"
 
+/* Don't allow more than this many concurrent connections */
+#define MAX_CONNECTIONS 10
+
 struct connection {
     struct pa_protocol_simple *protocol;
     struct pa_iochannel *io;
@@ -287,6 +290,12 @@ static void on_connection(struct pa_socket_server*s, struct pa_iochannel *io, vo
     char cname[256];
     assert(s && io && p);
 
+    if (pa_idxset_ncontents(p->connections)+1 > MAX_CONNECTIONS) {
+        pa_log(__FILE__": Warning! Too many connections (%u), dropping incoming connection.\n", MAX_CONNECTIONS);
+        pa_iochannel_free(io);
+        return;
+    }
+
     c = pa_xmalloc(sizeof(struct connection));
     c->io = io;
     c->sink_input = NULL;