Re: [PATCH v2 1/2] http: store credential when PKI auth is used

["brian m. carlson" <sandals@crustytoothpaste.net>]

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On 2021-03-12 at 00:48:41, John Szakmeister wrote:
> We already looked for the PKI credentials in the credential store, but
> failed to approve it on success.  Meaning, the PKI certificate password
> was never stored and git would request it on every connection to the
> remote.  Let's complete the chain by storing the certificate password on
> success.
> 
> Likewise, we also need to reject the credential when there is a failure.
> Curl appears to report client-related certificate issues are reported
> with the CURLE_SSL_CERTPROBLEM error.  This includes not only a bad
> password, but potentially other client certificate related problems.
> Since we cannot get more information from curl, we'll go ahead and
> reject the credential upon receiving that error, just to be safe and
> avoid caching or saving a bad password.
> 
> Signed-off-by: John Szakmeister <john@szakmeister.net>
> ---
>  http.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/http.c b/http.c
> index f8ea28bb2e..12a8aaba48 100644
> --- a/http.c
> +++ b/http.c
> @@ -1637,7 +1637,17 @@ static int handle_curl_result(struct slot_results *results)
>  		credential_approve(&http_auth);
>  		if (proxy_auth.password)
>  			credential_approve(&proxy_auth);
> +		credential_approve(&cert_auth);
>  		return HTTP_OK;
> +	} else if (results->curl_result == CURLE_SSL_CERTPROBLEM) {
> +		/*
> +		 * We can't tell from here whether it's a bad path, bad
> +		 * certificate, bad password, or something else wrong
> +		 * with the certificate.  So we reject the credential to
> +		 * avoid caching or saving a bad password.
> +		 */
> +		credential_reject(&http_auth);

Is this supposed to be &cert_auth here?  I'm not sure how a bad HTTP
password would even have been tested in this case.
-- 
brian m. carlson (he/him or they/them)
Houston, Texas, US

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