From f42995c872a7bd68de6da4921b1165bdf41cb756 Mon Sep 17 00:00:00 2001
From: Charles Kerr <charles@transmissionbt.com>
Date: Sun, 6 Apr 2008 16:50:41 +0000
Subject: [PATCH] #846: transmissioncli attempts to bind to port even when not
 needed

---
 cli/transmissioncli.c    | 5 +++++
 libtransmission/shared.c | 3 ++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/cli/transmissioncli.c b/cli/transmissioncli.c
index f5597673c..4dc68511d 100644
--- a/cli/transmissioncli.c
+++ b/cli/transmissioncli.c
@@ -139,6 +139,11 @@ main( int argc, char ** argv )
         return EXIT_FAILURE;
     }
 
+    /* don't bind the port if we're just running the CLI 
+     * to get metainfo or to create a torrent */
+    if( showInfo || ( sourceFile != NULL ) )
+        bindPort = -1;
+
     /* Initialize libtransmission */
     h = tr_initFull( tr_getDefaultConfigDir(),
                      "cli",                   /* tag */
diff --git a/libtransmission/shared.c b/libtransmission/shared.c
index a02239b01..6b13984ae 100644
--- a/libtransmission/shared.c
+++ b/libtransmission/shared.c
@@ -110,11 +110,12 @@ incomingPeersPulse( tr_shared * s )
         s->bindSocket = -1;
     }
 
-    if( s->bindPort != s->publicPort )
+    if( ( s->publicPort > 0 ) && ( s->bindPort != s->publicPort ) )
     {
         int socket;
         errno = 0;
         socket = tr_netBindTCP( s->publicPort );
+fprintf( stderr, "opening socket on %d to listen\n", s->publicPort );
         if( socket >= 0 ) {
             tr_ninf( getKey(), _( "Opened port %d to listen for incoming peer connections" ), s->publicPort );
             s->bindPort = s->publicPort;