Wesley Laxton's CURLOPT_PREQUOTE work

include/curl/curl.h

@@ -493,6 +493,9 @@ typedef enum {
 
   /* DNS cache timeout */
   CINIT(DNS_CACHE_TIMEOUT, LONG, 92),
+
+  /* send linked-list of pre-transfer QUOTE commands (Wesley Laxton)*/
+  CINIT(PREQUOTE, OBJECTPOINT, 93),
   
   CURLOPT_LASTENTRY /* the last unusued */
 } CURLoption;

lib/ftp.c

@@ -1618,6 +1618,12 @@ CURLcode ftp_perform(struct connectdata *conn)
     if(result)
       return result;
 
+    /* Send any PREQUOTE strings after transfer type is set? (Wesley Laxton)*/
+    if(data->set.prequote) {
+      if ((result = ftp_sendquote(conn, data->set.prequote)) != CURLE_OK)
+        return result;
+    }
+
     if(conn->resume_from) {
       /* we're about to continue the uploading of a file */
       /* 1. get already existing file's size. We use the SIZE
@@ -1803,6 +1809,12 @@ CURLcode ftp_perform(struct connectdata *conn)
       if(result)
         return result;
 
+      /* Send any PREQUOTE strings after transfer type is set? (Wesley Laxton)*/
+      if(data->set.prequote) {
+        if ((result = ftp_sendquote(conn, data->set.prequote)) != CURLE_OK)
+          return result;
+      }
+
       /* Attempt to get the size, it'll be useful in some cases: for resumed
          downloads and when talking to servers that don't give away the size
          in the RETR response line. */

lib/url.c

@@ -735,6 +735,12 @@ CURLcode Curl_setopt(struct SessionHandle *data, CURLoption option, ...)
      */
     data->set.postquote = va_arg(param, struct curl_slist *);
     break;
+  case CURLOPT_PREQUOTE:
+    /*
+     * List of RAW FTP commands to use prior to RETR (Wesley Laxton)
+     */
+    data->set.prequote = va_arg(param, struct curl_slist *);
+    break;
   case CURLOPT_QUOTE:
     /*
      * List of RAW FTP commands to use before a transfer 
@@ -1983,8 +1989,8 @@ static CURLcode CreateConnection(struct SessionHandle *data,
     conn = conn_temp;        /* use this connection from now on */
 
     /* we need these pointers if we speak over a proxy */
-    conn->hostname = old_conn->gname;
-    conn->name = old_conn->name;
+    conn->hostname = conn->gname;
+    conn->name = &conn->gname[old_conn->name - old_conn->gname];
 
     free(conn->path);    /* free the previously allocated path pointer */
 

lib/urldata.h

@@ -604,8 +604,9 @@ struct UserDefined {
   char *crypto_engine;  /* name of the crypto engine to use */
   char *cookiejar;      /* dump all cookies to this file */
   bool crlf;            /* convert crlf on ftp upload(?) */
-  struct curl_slist *quote;     /* before the transfer */
+  struct curl_slist *quote;     /* after connection is established */
   struct curl_slist *postquote; /* after the transfer */
+  struct curl_slist *prequote; /* before the transfer, after type (Wesley Laxton)*/
   struct curl_slist *telnet_options; /* linked list of telnet options */
   curl_TimeCond timecondition; /* kind of time/date comparison */
   time_t timevalue;       /* what time to compare with */

src/main.c

@@ -448,6 +448,7 @@ struct Configurable {
 
   struct curl_slist *quote;
   struct curl_slist *postquote;
+  struct curl_slist *prequote;
 
   long ssl_version;
   curl_TimeCond timecond;
@@ -1376,12 +1377,18 @@ static ParameterError getparameter(char *flag, /* f or -long-flag */
       break;
     case 'Q':
       /* QUOTE command to send to FTP server */
-      if(nextarg[0] == '-') {
+      switch(nextarg[0]) {
+      case '-':
         /* prefixed with a dash makes it a POST TRANSFER one */
         nextarg++;
         config->postquote = curl_slist_append(config->postquote, nextarg);
-      }
-      else {
+        break;
+      case '+':
+        /* prefixed with a plus makes it a just-before-transfer one */
+        nextarg++;
+        config->prequote = curl_slist_append(config->prequote, nextarg);
+        break;
+      default:
         config->quote = curl_slist_append(config->quote, nextarg);
       }
       break;