- Mike Crowe pointed out that setting CURLOPT_USERPWD to NULL used to clear

  the auth credentials back in 7.19.0 and earlier while now you have to set ""
  to get the same effect. His patch brings back the ability to use NULL.

1 files changed, 8 insertions, 2 deletions

diff --git a/lib/url.c b/lib/url.c
index 88f797296..a97176495 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -275,8 +275,14 @@ static CURLcode setstropt_userpwd(char *option, char **user_storage,
   char* separator;
   CURLcode result = CURLE_OK;
 
-  if(!option)
-    return result;
+  if(!option) {
+    /* we treat a NULL passed in as a hint to clear existing info */
+    Curl_safefree(*user_storage);
+    *user_storage = (char *) NULL;
+    Curl_safefree(*pwd_storage);
+    *pwd_storage = (char *) NULL;
+    return CURLE_OK;
+  }
 
   separator = strchr(option, ':');
   if (separator != NULL) {