Alexander Krasnostavsky's FTP third party transfer (proxy) support

lib/url.c

@@ -1337,6 +1337,57 @@ CURLcode Curl_setopt(struct SessionHandle *data, CURLoption option, ...)
     data->set.tcp_nodelay = (bool)va_arg(param, long);
     break;
 
+  /*********** 3rd party transfer options ***********/
+  case CURLOPT_SOURCE_HOST:
+    /*
+     * Use SOURCE HOST
+     */
+    data->set.source_host = va_arg(param, char *);
+    data->set.printhost = (data->set.source_host != NULL);
+    break;
+
+  case CURLOPT_SOURCE_PORT:
+    /*
+     * Use SOURCE PORT
+     */
+    data->set.source_port = va_arg(param, char *);
+    break;
+
+  case CURLOPT_SOURCE_USERPWD:
+    /*
+     * Use SOURCE USER[:PASSWORD]
+     */
+    data->set.source_userpwd = va_arg(param, char *);
+    break;
+
+  case CURLOPT_SOURCE_PATH:
+    /*
+     * Use SOURCE PATH
+     */
+    data->set.source_path = va_arg(param, char *);
+    break;
+
+  case CURLOPT_PASV_HOST:
+    /*
+     * Indicates whether source or target host is passive
+     */
+    data->set.pasvHost = va_arg(param, long)?CURL_SOURCE_PASV:CURL_TARGET_PASV;
+    break;
+
+  case CURLOPT_SOURCE_PREQUOTE:
+    /*
+     * List of RAW FTP commands to use before a transfer on the source host
+     */
+    data->set.source_prequote = va_arg(param, struct curl_slist *);
+    break;
+
+  case CURLOPT_SOURCE_POSTQUOTE:
+    /*
+     * List of RAW FTP commands to use after a transfer on the source host
+     */
+    data->set.source_postquote = va_arg(param, struct curl_slist *);
+    break;
+
   default:
     /* unknown tag and its companion, just ignore: */
     return CURLE_FAILED_INIT; /* correct this */