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Add an option for using any HTTP authentication scheme, not only basic

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This adds the configuration option http.authAny (overridable with
the environment variable GIT_HTTP_AUTH_ANY), for instructing curl
to allow any HTTP authentication scheme, not only basic (which
sends the password in plaintext).

When this is enabled, curl has to do double requests most of the time,
in order to discover which HTTP authentication method to use, which
lowers the performance slightly. Therefore this isn't enabled by default.

One example of another authentication scheme to use is digest, which
doesn't send the password in plaintext, but uses a challenge-response
mechanism instead. Using digest authentication in practice requires
at least curl 7.18.1, due to bugs in the digest handling in earlier
versions of curl.

Signed-off-by: Martin Storsjö <martin@martin.st>
Signed-off-by: Tay Ray Chuan <rctay89@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Martin Storsjö 2009-11-27 23:43:08 +08:00 committed by Junio C Hamano
parent ad75ebe5b3
commit b8ac923010
2 changed files with 29 additions and 0 deletions
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7
Documentation/config.txt
View File

@ -1158,6 +1158,13 @@ http.noEPSV::
support EPSV mode. Can be overridden by the 'GIT_CURL_FTP_NO_EPSV'
environment variable. Default is false (curl will use EPSV).
http.authAny::
Allow any HTTP authentication method, not only basic. Enabling
this lowers the performance slightly, by having to do requests
without any authentication to discover the authentication method
to use. Can be overridden by the 'GIT_HTTP_AUTH_ANY'
environment variable. Default is false.
i18n.commitEncoding::
Character encoding the commit messages are stored in; git itself
does not care per se, but this information is necessary e.g. when

22
http.c
View File

@ -7,6 +7,10 @@ int active_requests;
int http_is_verbose;
size_t http_post_buffer = 16 * LARGE_PACKET_MAX;
#if LIBCURL_VERSION_NUM >= 0x070a06
#define LIBCURL_CAN_HANDLE_AUTH_ANY
#endif
static int min_curl_sessions = 1;
static int curl_session_count;
#ifdef USE_CURL_MULTI
@ -36,6 +40,9 @@ static long curl_low_speed_time = -1;
static int curl_ftp_no_epsv;
static const char *curl_http_proxy;
static char *user_name, *user_pass;
#ifdef LIBCURL_CAN_HANDLE_AUTH_ANY
static int curl_http_auth_any = 0;
#endif
#if LIBCURL_VERSION_NUM >= 0x071700
/* Use CURLOPT_KEYPASSWD as is */
@ -190,6 +197,12 @@ static int http_options(const char *var, const char *value, void *cb)
http_post_buffer = LARGE_PACKET_MAX;
return 0;
}
#ifdef LIBCURL_CAN_HANDLE_AUTH_ANY
if (!strcmp("http.authany", var)) {
curl_http_auth_any = git_config_bool(var, value);
return 0;
}
#endif
/* Fall back on the default ones */
return git_default_config(var, value, cb);
@ -240,6 +253,10 @@ static CURL *get_curl_handle(void)
#if LIBCURL_VERSION_NUM >= 0x070907
curl_easy_setopt(result, CURLOPT_NETRC, CURL_NETRC_OPTIONAL);
#endif
#ifdef LIBCURL_CAN_HANDLE_AUTH_ANY
if (curl_http_auth_any)
curl_easy_setopt(result, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
#endif
init_curl_http_auth(result);
@ -391,6 +408,11 @@ void http_init(struct remote *remote)
if (getenv("GIT_CURL_FTP_NO_EPSV"))
curl_ftp_no_epsv = 1;
#ifdef LIBCURL_CAN_HANDLE_AUTH_ANY
if (getenv("GIT_HTTP_AUTH_ANY"))
curl_http_auth_any = 1;
#endif
if (remote && remote->url && remote->url[0]) {
http_auth_init(remote->url[0]);
if (!ssl_cert_password_required &&