Add a configuration option for TCP keepalives (SO_KEEPALIVE), default off.

[u/mdw/putty] / proxy.c

diff --git a/proxy.c b/proxy.c
index dd5c428..d3bcca6 100644 (file)
--- a/proxy.c
+++ b/proxy.c
@@ -356,8 +356,8 @@ SockAddr name_lookup(char *host, int port, char **canonicalname,
 
 Socket new_connection(SockAddr addr, char *hostname,
                      int port, int privport,
-                     int oobinline, int nodelay, Plug plug,
-                     const Config *cfg)
+                     int oobinline, int nodelay, int keepalive,
+                     Plug plug, const Config *cfg)
 {
     static const struct socket_function_table socket_fn_table = {
        sk_proxy_plug,
@@ -388,7 +388,8 @@ Socket new_connection(SockAddr addr, char *hostname,
        Socket sret;
 
        if ((sret = platform_new_connection(addr, hostname, port, privport,
-                                           oobinline, nodelay, plug, cfg)) !=
+                                           oobinline, nodelay, keepalive,
+                                           plug, cfg)) !=
            NULL)
            return sret;
 
@@ -444,7 +445,7 @@ Socket new_connection(SockAddr addr, char *hostname,
         */
        ret->sub_socket = sk_new(proxy_addr, cfg->proxy_port,
                                 privport, oobinline,
-                                nodelay, (Plug) pplug);
+                                nodelay, keepalive, (Plug) pplug);
        if (sk_socket_error(ret->sub_socket) != NULL)
            return (Socket) ret;
 
@@ -456,7 +457,7 @@ Socket new_connection(SockAddr addr, char *hostname,
     }
 
     /* no proxy, so just return the direct socket */
-    return sk_new(addr, port, privport, oobinline, nodelay, plug);
+    return sk_new(addr, port, privport, oobinline, nodelay, keepalive, plug);
 }
 
 Socket new_listener(char *srcaddr, int port, Plug plug, int local_host_only,