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#ifndef HEADER_CURL_SASL_H
#define HEADER_CURL_SASL_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 2012 - 2014, 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
* are also available at http://curl.haxx.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.
*
***************************************************************************/
#include <curl/curl.h>
struct SessionHandle;
struct connectdata;
struct ntlmdata;
/* Authentication mechanism values */
#define SASL_AUTH_NONE 0
#define SASL_AUTH_ANY ~0U
/* Authentication mechanism flags */
#define SASL_MECH_LOGIN (1 << 0)
#define SASL_MECH_PLAIN (1 << 1)
#define SASL_MECH_CRAM_MD5 (1 << 2)
#define SASL_MECH_DIGEST_MD5 (1 << 3)
#define SASL_MECH_GSSAPI (1 << 4)
#define SASL_MECH_EXTERNAL (1 << 5)
#define SASL_MECH_NTLM (1 << 6)
#define SASL_MECH_XOAUTH2 (1 << 7)
/* Authentication mechanism strings */
#define SASL_MECH_STRING_LOGIN "LOGIN"
#define SASL_MECH_STRING_PLAIN "PLAIN"
#define SASL_MECH_STRING_CRAM_MD5 "CRAM-MD5"
#define SASL_MECH_STRING_DIGEST_MD5 "DIGEST-MD5"
#define SASL_MECH_STRING_GSSAPI "GSSAPI"
#define SASL_MECH_STRING_EXTERNAL "EXTERNAL"
#define SASL_MECH_STRING_NTLM "NTLM"
#define SASL_MECH_STRING_XOAUTH2 "XOAUTH2"
/* This is used to test whether the line starts with the given mechanism */
#define sasl_mech_equal(line, wordlen, mech) \
(wordlen == (sizeof(mech) - 1) / sizeof(char) && \
!memcmp(line, mech, wordlen))
/* This is used to build a SPN string */
#if !defined(USE_WINDOWS_SSPI)
char *Curl_sasl_build_spn(const char *service, const char *instance);
#else
TCHAR *Curl_sasl_build_spn(const char *service, const char *instance);
#endif
/* This is used to generate a base64 encoded PLAIN authentication message */
CURLcode Curl_sasl_create_plain_message(struct SessionHandle *data,
const char *userp,
const char *passwdp,
char **outptr, size_t *outlen);
/* This is used to generate a base64 encoded LOGIN authentication message
containing either the user name or password details */
CURLcode Curl_sasl_create_login_message(struct SessionHandle *data,
const char *valuep, char **outptr,
size_t *outlen);
#ifndef CURL_DISABLE_CRYPTO_AUTH
/* This is used to decode a base64 encoded CRAM-MD5 challange message */
CURLcode Curl_sasl_decode_cram_md5_message(const char *chlg64, char **outptr,
size_t *outlen);
/* This is used to generate a base64 encoded CRAM-MD5 response message */
CURLcode Curl_sasl_create_cram_md5_message(struct SessionHandle *data,
const char *chlg,
const char *user,
const char *passwdp,
char **outptr, size_t *outlen);
/* This is used to generate a base64 encoded DIGEST-MD5 response message */
CURLcode Curl_sasl_create_digest_md5_message(struct SessionHandle *data,
const char *chlg64,
const char *userp,
const char *passwdp,
const char *service,
char **outptr, size_t *outlen);
#endif
#ifdef USE_NTLM
/* This is used to generate a base64 encoded NTLM type-1 message */
CURLcode Curl_sasl_create_ntlm_type1_message(const char *userp,
const char *passwdp,
struct ntlmdata *ntlm,
char **outptr,
size_t *outlen);
/* This is used to decode a base64 encoded NTLM type-2 message */
CURLcode Curl_sasl_decode_ntlm_type2_message(struct SessionHandle *data,
const char *type2msg,
struct ntlmdata *ntlm);
/* This is used to generate a base64 encoded NTLM type-3 message */
CURLcode Curl_sasl_create_ntlm_type3_message(struct SessionHandle *data,
const char *userp,
const char *passwdp,
struct ntlmdata *ntlm,
char **outptr, size_t *outlen);
#endif /* USE_NTLM */
/* This is used to generate a base64 encoded XOAUTH2 authentication message
containing the user name and bearer token */
CURLcode Curl_sasl_create_xoauth2_message(struct SessionHandle *data,
const char *user,
const char *bearer,
char **outptr, size_t *outlen);
/* This is used to cleanup any libraries or curl modules used by the sasl
functions */
void Curl_sasl_cleanup(struct connectdata *conn, unsigned int authused);
#endif /* HEADER_CURL_SASL_H */
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