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#ifndef HEADER_CURL_VAUTH_H
#define HEADER_CURL_VAUTH_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 2014 - 2022, Steve Holme, <steve_holme@hotmail.com>.
*
* 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
*
***************************************************************************/
#include <curl/curl.h>
#include "bufref.h"
struct Curl_easy;
#if !defined(CURL_DISABLE_CRYPTO_AUTH)
struct digestdata;
#endif
#if defined(USE_NTLM)
struct ntlmdata;
#endif
#if defined(USE_KERBEROS5)
struct kerberos5data;
#endif
#if (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)) && defined(USE_SPNEGO)
struct negotiatedata;
#endif
#if defined(USE_GSASL)
struct gsasldata;
#endif
#if defined(USE_WINDOWS_SSPI)
#define GSS_ERROR(status) ((status) & 0x80000000)
#endif
/* This is used to build a SPN string */
#if !defined(USE_WINDOWS_SSPI)
char *Curl_auth_build_spn(const char *service, const char *host,
const char *realm);
#else
TCHAR *Curl_auth_build_spn(const char *service, const char *host,
const char *realm);
#endif
/* This is used to test if the user contains a Windows domain name */
bool Curl_auth_user_contains_domain(const char *user);
/* This is used to generate a PLAIN cleartext message */
CURLcode Curl_auth_create_plain_message(const char *authzid,
const char *authcid,
const char *passwd,
struct bufref *out);
/* This is used to generate a LOGIN cleartext message */
CURLcode Curl_auth_create_login_message(const char *value,
struct bufref *out);
/* This is used to generate an EXTERNAL cleartext message */
CURLcode Curl_auth_create_external_message(const char *user,
struct bufref *out);
#if !defined(CURL_DISABLE_CRYPTO_AUTH)
/* This is used to generate a CRAM-MD5 response message */
CURLcode Curl_auth_create_cram_md5_message(const struct bufref *chlg,
const char *userp,
const char *passwdp,
struct bufref *out);
/* This is used to evaluate if DIGEST is supported */
bool Curl_auth_is_digest_supported(void);
/* This is used to generate a base64 encoded DIGEST-MD5 response message */
CURLcode Curl_auth_create_digest_md5_message(struct Curl_easy *data,
const struct bufref *chlg,
const char *userp,
const char *passwdp,
const char *service,
struct bufref *out);
/* This is used to decode a HTTP DIGEST challenge message */
CURLcode Curl_auth_decode_digest_http_message(const char *chlg,
struct digestdata *digest);
/* This is used to generate a HTTP DIGEST response message */
CURLcode Curl_auth_create_digest_http_message(struct Curl_easy *data,
const char *userp,
const char *passwdp,
const unsigned char *request,
const unsigned char *uri,
struct digestdata *digest,
char **outptr, size_t *outlen);
/* This is used to clean up the digest specific data */
void Curl_auth_digest_cleanup(struct digestdata *digest);
#endif /* !CURL_DISABLE_CRYPTO_AUTH */
#ifdef USE_GSASL
/* This is used to evaluate if MECH is supported by gsasl */
bool Curl_auth_gsasl_is_supported(struct Curl_easy *data,
const char *mech,
struct gsasldata *gsasl);
/* This is used to start a gsasl method */
CURLcode Curl_auth_gsasl_start(struct Curl_easy *data,
const char *userp,
const char *passwdp,
struct gsasldata *gsasl);
/* This is used to process and generate a new SASL token */
CURLcode Curl_auth_gsasl_token(struct Curl_easy *data,
const struct bufref *chlg,
struct gsasldata *gsasl,
struct bufref *out);
/* This is used to clean up the gsasl specific data */
void Curl_auth_gsasl_cleanup(struct gsasldata *digest);
#endif
#if defined(USE_NTLM)
/* This is used to evaluate if NTLM is supported */
bool Curl_auth_is_ntlm_supported(void);
/* This is used to generate a base64 encoded NTLM type-1 message */
CURLcode Curl_auth_create_ntlm_type1_message(struct Curl_easy *data,
const char *userp,
const char *passwdp,
const char *service,
const char *host,
struct ntlmdata *ntlm,
struct bufref *out);
/* This is used to decode a base64 encoded NTLM type-2 message */
CURLcode Curl_auth_decode_ntlm_type2_message(struct Curl_easy *data,
const struct bufref *type2,
struct ntlmdata *ntlm);
/* This is used to generate a base64 encoded NTLM type-3 message */
CURLcode Curl_auth_create_ntlm_type3_message(struct Curl_easy *data,
const char *userp,
const char *passwdp,
struct ntlmdata *ntlm,
struct bufref *out);
/* This is used to clean up the NTLM specific data */
void Curl_auth_cleanup_ntlm(struct ntlmdata *ntlm);
#endif /* USE_NTLM */
/* This is used to generate a base64 encoded OAuth 2.0 message */
CURLcode Curl_auth_create_oauth_bearer_message(const char *user,
const char *host,
const long port,
const char *bearer,
struct bufref *out);
/* This is used to generate a base64 encoded XOAuth 2.0 message */
CURLcode Curl_auth_create_xoauth_bearer_message(const char *user,
const char *bearer,
struct bufref *out);
#if defined(USE_KERBEROS5)
/* This is used to evaluate if GSSAPI (Kerberos V5) is supported */
bool Curl_auth_is_gssapi_supported(void);
/* This is used to generate a base64 encoded GSSAPI (Kerberos V5) user token
message */
CURLcode Curl_auth_create_gssapi_user_message(struct Curl_easy *data,
const char *userp,
const char *passwdp,
const char *service,
const char *host,
const bool mutual,
const struct bufref *chlg,
struct kerberos5data *krb5,
struct bufref *out);
/* This is used to generate a base64 encoded GSSAPI (Kerberos V5) security
token message */
CURLcode Curl_auth_create_gssapi_security_message(struct Curl_easy *data,
const char *authzid,
const struct bufref *chlg,
struct kerberos5data *krb5,
struct bufref *out);
/* This is used to clean up the GSSAPI specific data */
void Curl_auth_cleanup_gssapi(struct kerberos5data *krb5);
#endif /* USE_KERBEROS5 */
#if defined(USE_SPNEGO)
/* This is used to evaluate if SPNEGO (Negotiate) is supported */
bool Curl_auth_is_spnego_supported(void);
/* This is used to decode a base64 encoded SPNEGO (Negotiate) challenge
message */
CURLcode Curl_auth_decode_spnego_message(struct Curl_easy *data,
const char *user,
const char *passwood,
const char *service,
const char *host,
const char *chlg64,
struct negotiatedata *nego);
/* This is used to generate a base64 encoded SPNEGO (Negotiate) response
message */
CURLcode Curl_auth_create_spnego_message(struct negotiatedata *nego,
char **outptr, size_t *outlen);
/* This is used to clean up the SPNEGO specific data */
void Curl_auth_cleanup_spnego(struct negotiatedata *nego);
#endif /* USE_SPNEGO */
#endif /* HEADER_CURL_VAUTH_H */
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