I did not test this patch. Is that holding up a commit?
—
Dan Langille
Infrastructure & Operations
Talos Group
Sourcefire, Inc.
> On Jan 7, 2015, at 7:29 PM, brian m. carlson <sandals@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> Apache servers using mod_auth_kerb can be configured to allow the user
> to authenticate either using Negotiate (using the Kerberos ticket) or
> Basic authentication (using the Kerberos password). Often, one will
> want to use Negotiate authentication if it is available, but fall back
> to Basic authentication if the ticket is missing or expired.
>
> However, libcurl will try very hard to use something other than Basic
> auth, even over HTTPS. If Basic and something else are offered, libcurl
> will never attempt to use Basic, even if the other option fails.
> Teach the HTTP client code to stop trying authentication mechanisms that
> don't use a password (currently Negotiate) after the first failure,
> since if they failed the first time, they will never succeed.
>
> Signed-off-by: brian m. carlson <sandals@xxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Jeff King <peff@xxxxxxxx>
> ---
> Peff's original change was to get_curl_handle; however, we retry the
> second time with the same slot and we may not call get_curl_handle
> again, so I had to move that change to get_active_slot. This has been
> tested pushing with both Negotiate and Basic against an HTTPS server
> both when info/refs was protected and when it was not.
>
> http.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/http.c b/http.c
> index 040f362..44b130c 100644
> --- a/http.c
> +++ b/http.c
> @@ -62,6 +62,9 @@ static const char *user_agent;
>
> static struct credential cert_auth = CREDENTIAL_INIT;
> static int ssl_cert_password_required;
> +#ifdef LIBCURL_CAN_HANDLE_AUTH_ANY
> +static unsigned long http_auth_methods = CURLAUTH_ANY;
> +#endif
>
> static struct curl_slist *pragma_header;
> static struct curl_slist *no_pragma_header;
> @@ -580,6 +583,9 @@ struct active_request_slot *get_active_slot(void)
> curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 0);
> curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1);
> curl_easy_setopt(slot->curl, CURLOPT_FAILONERROR, 1);
> +#ifdef LIBCURL_CAN_HANDLE_AUTH_ANY
> + curl_easy_setopt(slot->curl, CURLOPT_HTTPAUTH, http_auth_methods);
> +#endif
> if (http_auth.password)
> init_curl_http_auth(slot->curl);
>
> @@ -870,6 +876,9 @@ int handle_curl_result(struct slot_results *results)
> credential_reject(&http_auth);
> return HTTP_NOAUTH;
> } else {
> +#ifdef LIBCURL_CAN_HANDLE_AUTH_ANY
> + http_auth_methods &= ~CURLAUTH_GSSNEGOTIATE;
> +#endif
> return HTTP_REAUTH;
> }
> } else {
> @@ -986,6 +995,7 @@ static void extract_content_type(struct strbuf *raw, struct strbuf *type,
> strbuf_addstr(charset, "ISO-8859-1");
> }
>
> +
> /* http_request() targets */
> #define HTTP_REQUEST_STRBUF 0
> #define HTTP_REQUEST_FILE 1
> --
> 2.2.1.209.g41e5f3a
>
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