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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 2020 - 2022, Simon Josefsson, <simon@josefsson.org>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* SPDX-License-Identifier: curl
*
* RFC5802 SCRAM-SHA-1 authentication
*
***************************************************************************/
#include "curl_setup.h"
#ifdef USE_GSASL
#include <curl/curl.h>
#include "vauth/vauth.h"
#include "urldata.h"
#include "sendf.h"
#include <gsasl.h>
/* The last 3 #include files should be in this order */
#include "curl_printf.h"
#include "curl_memory.h"
#include "memdebug.h"
bool Curl_auth_gsasl_is_supported(struct Curl_easy *data,
const char *mech,
struct gsasldata *gsasl)
{
int res;
res = gsasl_init(&gsasl->ctx);
if(res != GSASL_OK) {
failf(data, "gsasl init: %s\n", gsasl_strerror(res));
return FALSE;
}
res = gsasl_client_start(gsasl->ctx, mech, &gsasl->client);
if(res != GSASL_OK) {
gsasl_done(gsasl->ctx);
return FALSE;
}
return true;
}
CURLcode Curl_auth_gsasl_start(struct Curl_easy *data,
const char *userp,
const char *passwdp,
struct gsasldata *gsasl)
{
#if GSASL_VERSION_NUMBER >= 0x010b00
int res;
res =
#endif
gsasl_property_set(gsasl->client, GSASL_AUTHID, userp);
#if GSASL_VERSION_NUMBER >= 0x010b00
if(res != GSASL_OK) {
failf(data, "setting AUTHID failed: %s\n", gsasl_strerror(res));
return CURLE_OUT_OF_MEMORY;
}
#endif
#if GSASL_VERSION_NUMBER >= 0x010b00
res =
#endif
gsasl_property_set(gsasl->client, GSASL_PASSWORD, passwdp);
#if GSASL_VERSION_NUMBER >= 0x010b00
if(res != GSASL_OK) {
failf(data, "setting PASSWORD failed: %s\n", gsasl_strerror(res));
return CURLE_OUT_OF_MEMORY;
}
#endif
(void)data;
return CURLE_OK;
}
CURLcode Curl_auth_gsasl_token(struct Curl_easy *data,
const struct bufref *chlg,
struct gsasldata *gsasl,
struct bufref *out)
{
int res;
char *response;
size_t outlen;
res = gsasl_step(gsasl->client,
(const char *) Curl_bufref_ptr(chlg), Curl_bufref_len(chlg),
&response, &outlen);
if(res != GSASL_OK && res != GSASL_NEEDS_MORE) {
failf(data, "GSASL step: %s\n", gsasl_strerror(res));
return CURLE_BAD_CONTENT_ENCODING;
}
Curl_bufref_set(out, response, outlen, gsasl_free);
return CURLE_OK;
}
void Curl_auth_gsasl_cleanup(struct gsasldata *gsasl)
{
gsasl_finish(gsasl->client);
gsasl->client = NULL;
gsasl_done(gsasl->ctx);
gsasl->ctx = NULL;
}
#endif
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