From: Leonid Petrov <nouser@lpetrov.net>
Date: Tue, 20 Jul 2010 11:09:43 +0000 (+0200)
Subject: Fix symlinks resume via FTP.
X-Git-Tag: v1.13~121
X-Git-Url: http://sjero.net/git/?p=wget;a=commitdiff_plain;h=29c0b3cc07a54313a6485eb1d81162326ce2d4ca

Fix symlinks resume via FTP.
---

diff --git a/src/ChangeLog b/src/ChangeLog
index fbfc34bd..30b6c9cc 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,9 @@
+2010-07-20  Leonid Petrov <nouser@lpetrov.net>
+
+	* ftp.c (getftp): Don't attempt to retrieve the file if it is already
+	completely.
+	(ftp_loop_internal): Force the length to be zero for symlinks.
+
 2010-07-18  Giuseppe Scrivano  <gscrivano@gnu.org>
 
 	* http.c (gethttp): If -N is used, don't exit immediately if the content
diff --git a/src/ftp.c b/src/ftp.c
index 70137bed..42b0671e 100644
--- a/src/ftp.c
+++ b/src/ftp.c
@@ -767,6 +767,16 @@ Error in server response, closing control connection.\n"));
                      number_to_static_string (expected_bytes));
     }
 
+  if (cmd & DO_RETR && restval > 0 && restval == expected_bytes)
+    {
+      /* Server confirms that file has length restval. We should stop now.
+         Some servers (f.e. NcFTPd) return error when receive REST 0 */
+      logputs (LOG_VERBOSE, _("File has already been retrieved.\n"));
+      fd_close (csock);
+      con->csock = -1;
+      return RETRFINISHED;
+    }
+
   /* If anything is to be retrieved, PORT (or PASV) must be sent.  */
   if (cmd & (DO_LIST | DO_RETR))
     {
@@ -1459,7 +1469,7 @@ ftp_loop_internal (struct url *u, struct fileinfo *f, ccon *con, char **local_fi
           xfree (hurl);
         }
       /* Send getftp the proper length, if fileinfo was provided.  */
-      if (f)
+      if (f && f->type != FT_SYMLINK)
         len = f->size;
       else
         len = 0;