news: CURLOPT_CONNECT_TO and --connect-to

Makes curl connect to the given host+port instead of the host+port found
in the URL.

1 files changed, 28 insertions, 1 deletions

diff --git a/lib/vtls/vtls.c b/lib/vtls/vtls.c
index 36465a7f6..69fb70fc7 100644
--- a/lib/vtls/vtls.c
+++ b/lib/vtls/vtls.c
@@ -363,6 +363,12 @@ bool Curl_ssl_getsessionid(struct connectdata *conn,
       /* not session ID means blank entry */
       continue;
     if(Curl_raw_equal(conn->host.name, check->name) &&
+       ((!conn->bits.conn_to_host && !check->conn_to_host) ||
+         (conn->bits.conn_to_host && check->conn_to_host &&
+           Curl_raw_equal(conn->conn_to_host.name, check->conn_to_host))) &&
+       ((!conn->bits.conn_to_port && check->conn_to_port == -1) ||
+         (conn->bits.conn_to_port && check->conn_to_port != -1 &&
+           conn->conn_to_port == check->conn_to_port)) &&
        (conn->remote_port == check->remote_port) &&
        Curl_ssl_config_matches(&conn->ssl_config, &check->ssl_config)) {
       /* yes, we have a session ID! */
@@ -400,6 +406,7 @@ void Curl_ssl_kill_session(struct curl_ssl_session *session)
     Curl_free_ssl_config(&session->ssl_config);
 
     Curl_safefree(session->name);
+    Curl_safefree(session->conn_to_host);
   }
 }
 
@@ -442,6 +449,8 @@ CURLcode Curl_ssl_addsessionid(struct connectdata *conn,
   struct curl_ssl_session *store = &data->state.session[0];
   long oldest_age=data->state.session[0].age; /* zero if unused */
   char *clone_host;
+  char *clone_conn_to_host;
+  int conn_to_port;
   long *general_age;
 
   /* Even though session ID re-use might be disabled, that only disables USING
@@ -452,6 +461,21 @@ CURLcode Curl_ssl_addsessionid(struct connectdata *conn,
   if(!clone_host)
     return CURLE_OUT_OF_MEMORY; /* bail out */
 
+  if(conn->bits.conn_to_host) {
+    clone_conn_to_host = strdup(conn->conn_to_host.name);
+    if(!clone_conn_to_host) {
+      free(clone_host);
+      return CURLE_OUT_OF_MEMORY; /* bail out */
+    }
+  }
+  else
+    clone_conn_to_host = NULL;
+
+  if(conn->bits.conn_to_port)
+    conn_to_port = conn->conn_to_port;
+  else
+    conn_to_port = -1;
+
   /* Now we should add the session ID and the host name to the cache, (remove
      the oldest if necessary) */
 
@@ -484,10 +508,12 @@ CURLcode Curl_ssl_addsessionid(struct connectdata *conn,
   store->age = *general_age;    /* set current age */
     /* free it if there's one already present */
   free(store->name);
+  free(store->conn_to_host);
   store->name = clone_host;               /* clone host name */
+  store->conn_to_host = clone_conn_to_host; /* clone connect to host name */
+  store->conn_to_port = conn_to_port; /* connect to port number */
   store->remote_port = conn->remote_port; /* port number */
 
-
   /* Unlock */
   if(SSLSESSION_SHARED(data))
     Curl_share_unlock(data, CURL_LOCK_DATA_SSL_SESSION);
@@ -495,6 +521,7 @@ CURLcode Curl_ssl_addsessionid(struct connectdata *conn,
   if(!Curl_clone_ssl_config(&conn->ssl_config, &store->ssl_config)) {
     store->sessionid = NULL; /* let caller free sessionid */
     free(clone_host);
+    free(clone_conn_to_host);
     return CURLE_OUT_OF_MEMORY;
   }