Don't download content just to ignore it.

[wget] / src / http.c

diff --git a/src/http.c b/src/http.c
index 52f65fed9215cd8381a427c3eeb480648fef0405..cd0dba85ea73be5cc8cf230606e1cf485647b3a5 100644 (file)
--- a/src/http.c
+++ b/src/http.c
@@ -1495,9 +1495,10 @@ gethttp (struct url *u, struct http_stat *hs, int *dt, struct url *proxy)
   user = user ? user : (opt.http_user ? opt.http_user : opt.user);
   passwd = passwd ? passwd : (opt.http_passwd ? opt.http_passwd : opt.passwd);
 
-  if (user && passwd
-      && !u->user) /* We only do "site-wide" authentication with "global"
-                      user/password values; URL user/password info overrides. */
+  /* We only do "site-wide" authentication with "global" user/password
+   * values unless --auth-no-challange has been requested; URL user/password
+   * info overrides. */
+  if (user && passwd && (!u->user || opt.auth_without_challenge))
     {
       /* If this is a host for which we've already received a Basic
        * challenge, we'll go ahead and send Basic authentication creds. */
@@ -2147,11 +2148,15 @@ File %s already there; not retrieving.\n\n"), quote (hs->local_file));
         }
     }
 
-  if (statcode == HTTP_STATUS_RANGE_NOT_SATISFIABLE)
+  if (statcode == HTTP_STATUS_RANGE_NOT_SATISFIABLE
+      || (hs->restval > 0 && statcode == HTTP_STATUS_OK
+          && contrange == 0 && hs->restval >= contlen)
+     )
     {
       /* If `-c' is in use and the file has been fully downloaded (or
          the remote file has shrunk), Wget effectively requests bytes
-         after the end of file and the server response with 416.  */
+         after the end of file and the server response with 416
+         (or 200 with a <= Content-Length.  */
       logputs (LOG_VERBOSE, _("\
 \n    The file is already fully retrieved; nothing to do.\n\n"));
       /* In case the caller inspects. */