- Anatoli Tubman found and fixed a crash with Negotiate authentication used on

  a re-used connection where both requests used Negotiate.

CHANGES

@@ -6,6 +6,10 @@
 
                                   Changelog
 
+Daniel S (1 Mar 2008)
+- Anatoli Tubman found and fixed a crash with Negotiate authentication used on
+  a re-used connection where both requests used Negotiate.
+
 Guenter Knauf (26 Feb 2008)
 - Kaspar Brand provided a patch to support server name indication (RFC 4366).
 

RELEASE-NOTES

@@ -32,6 +32,7 @@ This release includes the following bugfixes:
  o test case 405 failures with GnuTLS builds
  o crash when connection cache size is 1 and Curl_do() failed
  o GnuTLS-built libcurl can now be forced to prefer SSLv3
+ o crash when doing Negotiate again on a re-used connection
 
 This release includes the following known bugs:
 
@@ -50,6 +51,7 @@ advice from friends like these:
 
  Michal Marek, Dmitry Kurochkin, Niklas Angebrand, Günter Knauf, Yang Tse,
  Dan Fandrich, Mike Hommey, Pooyan McSporran, Jerome Muffat-Meridol,
- Kaspar Brand, Gautam Kachroo, Zmey Petroff, Georg Lippitsch, Sam Listopad
+ Kaspar Brand, Gautam Kachroo, Zmey Petroff, Georg Lippitsch, Sam Listopad,
+ Anatoli Tubman
 
         Thanks! (and sorry if I forgot to mention someone)

TODO-RELEASE

@@ -6,8 +6,6 @@ To be addressed before 7.18.1 (planned release: April 2008)
 
 123 - Mike Protts' SFTP resume download
 
-124 - Anatoli Tubman's fix for a Negotiate: crash
-
 125 - Michal Marek's typechecker-gcc work
 
 126 -

lib/http.c

@@ -2358,6 +2358,14 @@ CURLcode Curl_http(struct connectdata *conn, bool *done)
                   te
                 );
 
+    /*
+     * Free userpwd now --- cannot reuse this for Negotiate and possibly NTLM
+     * with basic and digest, it will be freed anyway by the next request
+     */
+
+    Curl_safefree (conn->allocptr.userpwd);
+    conn->allocptr.userpwd = NULL;
+
     if(result)
       return result;
 

lib/http_negotiate.c

@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2007, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2008, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -255,7 +255,6 @@ CURLcode Curl_output_negotiate(struct connectdata *conn, bool proxy)
 {
   struct negotiatedata *neg_ctx = proxy?&conn->data->state.proxyneg:
     &conn->data->state.negotiate;
-  OM_uint32 minor_status;
   char *encoded = NULL;
   int len;
 
@@ -309,7 +308,7 @@ CURLcode Curl_output_negotiate(struct connectdata *conn, bool proxy)
     aprintf("%sAuthorization: %s %s\r\n", proxy ? "Proxy-" : "",
             neg_ctx->protocol, encoded);
   free(encoded);
-  gss_release_buffer(&minor_status, &neg_ctx->output_token);
+  Curl_cleanup_negotiate (conn->data);
   return (conn->allocptr.userpwd == NULL) ? CURLE_OUT_OF_MEMORY : CURLE_OK;
 }