1 #ifndef HEADER_CURL_VAUTH_H
2 #define HEADER_CURL_VAUTH_H
3 /***************************************************************************
5 * Project ___| | | | _ \| |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
10 * Copyright (C) 2014 - 2022, Steve Holme, <steve_holme@hotmail.com>.
12 * This software is licensed as described in the file COPYING, which
13 * you should have received as part of this distribution. The terms
14 * are also available at https://curl.se/docs/copyright.html.
16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
17 * copies of the Software, and permit persons to whom the Software is
18 * furnished to do so, under the terms of the COPYING file.
20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21 * KIND, either express or implied.
23 * SPDX-License-Identifier: curl
25 ***************************************************************************/
27 #include <curl/curl.h>
33 #if !defined(CURL_DISABLE_CRYPTO_AUTH)
41 #if defined(USE_KERBEROS5)
45 #if (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)) && defined(USE_SPNEGO)
49 #if defined(USE_GSASL)
53 #if defined(USE_WINDOWS_SSPI)
54 #define GSS_ERROR(status) ((status) & 0x80000000)
58 * Curl_auth_allowed_to_host() tells if authentication, cookies or other
59 * "sensitive data" can (still) be sent to this host.
61 bool Curl_auth_allowed_to_host(struct Curl_easy *data);
63 /* This is used to build a SPN string */
64 #if !defined(USE_WINDOWS_SSPI)
65 char *Curl_auth_build_spn(const char *service, const char *host,
68 TCHAR *Curl_auth_build_spn(const char *service, const char *host,
72 /* This is used to test if the user contains a Windows domain name */
73 bool Curl_auth_user_contains_domain(const char *user);
75 /* This is used to generate a PLAIN cleartext message */
76 CURLcode Curl_auth_create_plain_message(const char *authzid,
81 /* This is used to generate a LOGIN cleartext message */
82 CURLcode Curl_auth_create_login_message(const char *value,
85 /* This is used to generate an EXTERNAL cleartext message */
86 CURLcode Curl_auth_create_external_message(const char *user,
89 #if !defined(CURL_DISABLE_CRYPTO_AUTH)
90 /* This is used to generate a CRAM-MD5 response message */
91 CURLcode Curl_auth_create_cram_md5_message(const struct bufref *chlg,
96 /* This is used to evaluate if DIGEST is supported */
97 bool Curl_auth_is_digest_supported(void);
99 /* This is used to generate a base64 encoded DIGEST-MD5 response message */
100 CURLcode Curl_auth_create_digest_md5_message(struct Curl_easy *data,
101 const struct bufref *chlg,
107 /* This is used to decode a HTTP DIGEST challenge message */
108 CURLcode Curl_auth_decode_digest_http_message(const char *chlg,
109 struct digestdata *digest);
111 /* This is used to generate a HTTP DIGEST response message */
112 CURLcode Curl_auth_create_digest_http_message(struct Curl_easy *data,
115 const unsigned char *request,
116 const unsigned char *uri,
117 struct digestdata *digest,
118 char **outptr, size_t *outlen);
120 /* This is used to clean up the digest specific data */
121 void Curl_auth_digest_cleanup(struct digestdata *digest);
122 #endif /* !CURL_DISABLE_CRYPTO_AUTH */
125 /* This is used to evaluate if MECH is supported by gsasl */
126 bool Curl_auth_gsasl_is_supported(struct Curl_easy *data,
128 struct gsasldata *gsasl);
129 /* This is used to start a gsasl method */
130 CURLcode Curl_auth_gsasl_start(struct Curl_easy *data,
133 struct gsasldata *gsasl);
135 /* This is used to process and generate a new SASL token */
136 CURLcode Curl_auth_gsasl_token(struct Curl_easy *data,
137 const struct bufref *chlg,
138 struct gsasldata *gsasl,
141 /* This is used to clean up the gsasl specific data */
142 void Curl_auth_gsasl_cleanup(struct gsasldata *digest);
145 #if defined(USE_NTLM)
146 /* This is used to evaluate if NTLM is supported */
147 bool Curl_auth_is_ntlm_supported(void);
149 /* This is used to generate a base64 encoded NTLM type-1 message */
150 CURLcode Curl_auth_create_ntlm_type1_message(struct Curl_easy *data,
155 struct ntlmdata *ntlm,
158 /* This is used to decode a base64 encoded NTLM type-2 message */
159 CURLcode Curl_auth_decode_ntlm_type2_message(struct Curl_easy *data,
160 const struct bufref *type2,
161 struct ntlmdata *ntlm);
163 /* This is used to generate a base64 encoded NTLM type-3 message */
164 CURLcode Curl_auth_create_ntlm_type3_message(struct Curl_easy *data,
167 struct ntlmdata *ntlm,
170 /* This is used to clean up the NTLM specific data */
171 void Curl_auth_cleanup_ntlm(struct ntlmdata *ntlm);
172 #endif /* USE_NTLM */
174 /* This is used to generate a base64 encoded OAuth 2.0 message */
175 CURLcode Curl_auth_create_oauth_bearer_message(const char *user,
181 /* This is used to generate a base64 encoded XOAuth 2.0 message */
182 CURLcode Curl_auth_create_xoauth_bearer_message(const char *user,
186 #if defined(USE_KERBEROS5)
187 /* This is used to evaluate if GSSAPI (Kerberos V5) is supported */
188 bool Curl_auth_is_gssapi_supported(void);
190 /* This is used to generate a base64 encoded GSSAPI (Kerberos V5) user token
192 CURLcode Curl_auth_create_gssapi_user_message(struct Curl_easy *data,
198 const struct bufref *chlg,
199 struct kerberos5data *krb5,
202 /* This is used to generate a base64 encoded GSSAPI (Kerberos V5) security
204 CURLcode Curl_auth_create_gssapi_security_message(struct Curl_easy *data,
206 const struct bufref *chlg,
207 struct kerberos5data *krb5,
210 /* This is used to clean up the GSSAPI specific data */
211 void Curl_auth_cleanup_gssapi(struct kerberos5data *krb5);
212 #endif /* USE_KERBEROS5 */
214 #if defined(USE_SPNEGO)
215 /* This is used to evaluate if SPNEGO (Negotiate) is supported */
216 bool Curl_auth_is_spnego_supported(void);
218 /* This is used to decode a base64 encoded SPNEGO (Negotiate) challenge
220 CURLcode Curl_auth_decode_spnego_message(struct Curl_easy *data,
222 const char *passwood,
226 struct negotiatedata *nego);
228 /* This is used to generate a base64 encoded SPNEGO (Negotiate) response
230 CURLcode Curl_auth_create_spnego_message(struct negotiatedata *nego,
231 char **outptr, size_t *outlen);
233 /* This is used to clean up the SPNEGO specific data */
234 void Curl_auth_cleanup_spnego(struct negotiatedata *nego);
236 #endif /* USE_SPNEGO */
238 #endif /* HEADER_CURL_VAUTH_H */