Home | History | Annotate | Download | only in vauth
      1 #ifndef HEADER_CURL_VAUTH_H
      2 #define HEADER_CURL_VAUTH_H
      3 /***************************************************************************
      4  *                                  _   _ ____  _
      5  *  Project                     ___| | | |  _ \| |
      6  *                             / __| | | | |_) | |
      7  *                            | (__| |_| |  _ <| |___
      8  *                             \___|\___/|_| \_\_____|
      9  *
     10  * Copyright (C) 2014 - 2017, Steve Holme, <steve_holme (at) hotmail.com>.
     11  *
     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.haxx.se/docs/copyright.html.
     15  *
     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.
     19  *
     20  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
     21  * KIND, either express or implied.
     22  *
     23  ***************************************************************************/
     24 
     25 #include <curl/curl.h>
     26 
     27 struct Curl_easy;
     28 
     29 #if !defined(CURL_DISABLE_CRYPTO_AUTH)
     30 struct digestdata;
     31 #endif
     32 
     33 #if defined(USE_NTLM)
     34 struct ntlmdata;
     35 #endif
     36 
     37 #if defined(USE_KERBEROS5)
     38 struct kerberos5data;
     39 #endif
     40 
     41 #if (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)) && defined(USE_SPNEGO)
     42 struct negotiatedata;
     43 #endif
     44 
     45 #if defined(USE_WINDOWS_SSPI)
     46 #define GSS_ERROR(status) (status & 0x80000000)
     47 #endif
     48 
     49 /* This is used to build a SPN string */
     50 #if !defined(USE_WINDOWS_SSPI)
     51 char *Curl_auth_build_spn(const char *service, const char *host,
     52                           const char *realm);
     53 #else
     54 TCHAR *Curl_auth_build_spn(const char *service, const char *host,
     55                            const char *realm);
     56 #endif
     57 
     58 /* This is used to test if the user contains a Windows domain name */
     59 bool Curl_auth_user_contains_domain(const char *user);
     60 
     61 /* This is used to generate a base64 encoded PLAIN cleartext message */
     62 CURLcode Curl_auth_create_plain_message(struct Curl_easy *data,
     63                                         const char *userp,
     64                                         const char *passwdp,
     65                                         char **outptr, size_t *outlen);
     66 
     67 /* This is used to generate a base64 encoded LOGIN cleartext message */
     68 CURLcode Curl_auth_create_login_message(struct Curl_easy *data,
     69                                         const char *valuep, char **outptr,
     70                                         size_t *outlen);
     71 
     72 /* This is used to generate a base64 encoded EXTERNAL cleartext message */
     73 CURLcode Curl_auth_create_external_message(struct Curl_easy *data,
     74                                            const char *user, char **outptr,
     75                                            size_t *outlen);
     76 
     77 #if !defined(CURL_DISABLE_CRYPTO_AUTH)
     78 /* This is used to decode a CRAM-MD5 challenge message */
     79 CURLcode Curl_auth_decode_cram_md5_message(const char *chlg64, char **outptr,
     80                                            size_t *outlen);
     81 
     82 /* This is used to generate a CRAM-MD5 response message */
     83 CURLcode Curl_auth_create_cram_md5_message(struct Curl_easy *data,
     84                                            const char *chlg,
     85                                            const char *userp,
     86                                            const char *passwdp,
     87                                            char **outptr, size_t *outlen);
     88 
     89 /* This is used to evaluate if DIGEST is supported */
     90 bool Curl_auth_is_digest_supported(void);
     91 
     92 /* This is used to generate a base64 encoded DIGEST-MD5 response message */
     93 CURLcode Curl_auth_create_digest_md5_message(struct Curl_easy *data,
     94                                              const char *chlg64,
     95                                              const char *userp,
     96                                              const char *passwdp,
     97                                              const char *service,
     98                                              char **outptr, size_t *outlen);
     99 
    100 /* This is used to decode a HTTP DIGEST challenge message */
    101 CURLcode Curl_auth_decode_digest_http_message(const char *chlg,
    102                                               struct digestdata *digest);
    103 
    104 /* This is used to generate a HTTP DIGEST response message */
    105 CURLcode Curl_auth_create_digest_http_message(struct Curl_easy *data,
    106                                               const char *userp,
    107                                               const char *passwdp,
    108                                               const unsigned char *request,
    109                                               const unsigned char *uri,
    110                                               struct digestdata *digest,
    111                                               char **outptr, size_t *outlen);
    112 
    113 /* This is used to clean up the digest specific data */
    114 void Curl_auth_digest_cleanup(struct digestdata *digest);
    115 #endif /* !CURL_DISABLE_CRYPTO_AUTH */
    116 
    117 #if defined(USE_NTLM)
    118 /* This is used to evaluate if NTLM is supported */
    119 bool Curl_auth_is_ntlm_supported(void);
    120 
    121 /* This is used to generate a base64 encoded NTLM type-1 message */
    122 CURLcode Curl_auth_create_ntlm_type1_message(struct Curl_easy *data,
    123                                              const char *userp,
    124                                              const char *passwdp,
    125                                              const char *service,
    126                                              const char *host,
    127                                              struct ntlmdata *ntlm,
    128                                              char **outptr,
    129                                              size_t *outlen);
    130 
    131 /* This is used to decode a base64 encoded NTLM type-2 message */
    132 CURLcode Curl_auth_decode_ntlm_type2_message(struct Curl_easy *data,
    133                                              const char *type2msg,
    134                                              struct ntlmdata *ntlm);
    135 
    136 /* This is used to generate a base64 encoded NTLM type-3 message */
    137 CURLcode Curl_auth_create_ntlm_type3_message(struct Curl_easy *data,
    138                                              const char *userp,
    139                                              const char *passwdp,
    140                                              struct ntlmdata *ntlm,
    141                                              char **outptr, size_t *outlen);
    142 
    143 /* This is used to clean up the NTLM specific data */
    144 void Curl_auth_ntlm_cleanup(struct ntlmdata *ntlm);
    145 #endif /* USE_NTLM */
    146 
    147 /* This is used to generate a base64 encoded OAuth 2.0 message */
    148 CURLcode Curl_auth_create_oauth_bearer_message(struct Curl_easy *data,
    149                                                const char *user,
    150                                                const char *host,
    151                                                const long port,
    152                                                const char *bearer,
    153                                                char **outptr, size_t *outlen);
    154 #if defined(USE_KERBEROS5)
    155 /* This is used to evaluate if GSSAPI (Kerberos V5) is supported */
    156 bool Curl_auth_is_gssapi_supported(void);
    157 
    158 /* This is used to generate a base64 encoded GSSAPI (Kerberos V5) user token
    159    message */
    160 CURLcode Curl_auth_create_gssapi_user_message(struct Curl_easy *data,
    161                                               const char *userp,
    162                                               const char *passwdp,
    163                                               const char *service,
    164                                               const char *host,
    165                                               const bool mutual,
    166                                               const char *chlg64,
    167                                               struct kerberos5data *krb5,
    168                                               char **outptr, size_t *outlen);
    169 
    170 /* This is used to generate a base64 encoded GSSAPI (Kerberos V5) security
    171    token message */
    172 CURLcode Curl_auth_create_gssapi_security_message(struct Curl_easy *data,
    173                                                   const char *input,
    174                                                   struct kerberos5data *krb5,
    175                                                   char **outptr,
    176                                                   size_t *outlen);
    177 
    178 /* This is used to clean up the GSSAPI specific data */
    179 void Curl_auth_gssapi_cleanup(struct kerberos5data *krb5);
    180 #endif /* USE_KERBEROS5 */
    181 
    182 #if defined(USE_SPNEGO)
    183 /* This is used to evaluate if SPNEGO (Negotiate) is supported */
    184 bool Curl_auth_is_spnego_supported(void);
    185 
    186 /* This is used to decode a base64 encoded SPNEGO (Negotiate) challenge
    187    message */
    188 CURLcode Curl_auth_decode_spnego_message(struct Curl_easy *data,
    189                                          const char *user,
    190                                          const char *passwood,
    191                                          const char *service,
    192                                          const char *host,
    193                                          const char *chlg64,
    194                                          struct negotiatedata *nego);
    195 
    196 /* This is used to generate a base64 encoded SPNEGO (Negotiate) response
    197    message */
    198 CURLcode Curl_auth_create_spnego_message(struct Curl_easy *data,
    199                                          struct negotiatedata *nego,
    200                                          char **outptr, size_t *outlen);
    201 
    202 /* This is used to clean up the SPNEGO specifiec data */
    203 void Curl_auth_spnego_cleanup(struct negotiatedata *nego);
    204 
    205 #endif /* USE_SPNEGO */
    206 
    207 #endif /* HEADER_CURL_VAUTH_H */
    208