22dcf805b5169df3e23467ae5fa696f621cd2f06
[platform/upstream/curl.git] / lib / curl_sasl.h
1 #ifndef HEADER_CURL_SASL_H
2 #define HEADER_CURL_SASL_H
3 /***************************************************************************
4  *                                  _   _ ____  _
5  *  Project                     ___| | | |  _ \| |
6  *                             / __| | | | |_) | |
7  *                            | (__| |_| |  _ <| |___
8  *                             \___|\___/|_| \_\_____|
9  *
10  * Copyright (C) 2012 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
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 http://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 "pingpong.h"
26
27 /* Authentication mechanism flags */
28 #define SASL_MECH_LOGIN         (1 << 0)
29 #define SASL_MECH_PLAIN         (1 << 1)
30 #define SASL_MECH_CRAM_MD5      (1 << 2)
31 #define SASL_MECH_DIGEST_MD5    (1 << 3)
32 #define SASL_MECH_GSSAPI        (1 << 4)
33 #define SASL_MECH_EXTERNAL      (1 << 5)
34 #define SASL_MECH_NTLM          (1 << 6)
35
36 /* Authentication mechanism values */
37 #define SASL_AUTH_NONE          0
38 #define SASL_AUTH_ANY           ~0
39
40 /* This is used to generate a base64 encoded PLAIN authentication message */
41 CURLcode Curl_sasl_create_plain_message(struct SessionHandle *data,
42                                         const char *userp,
43                                         const char *passwdp,
44                                         char **outptr, size_t *outlen);
45
46 /* This is used to generate a base64 encoded LOGIN authentication message
47    containing either the user name or password details */
48 CURLcode Curl_sasl_create_login_message(struct SessionHandle *data,
49                                         const char *valuep, char **outptr,
50                                         size_t *outlen);
51
52 #ifndef CURL_DISABLE_CRYPTO_AUTH
53 /* This is used to generate a base64 encoded CRAM-MD5 response message */
54 CURLcode Curl_sasl_create_cram_md5_message(struct SessionHandle *data,
55                                            const char *chlg64,
56                                            const char *user,
57                                            const char *passwdp,
58                                            char **outptr, size_t *outlen);
59
60 /* This is used to generate a base64 encoded DIGEST-MD5 response message */
61 CURLcode Curl_sasl_create_digest_md5_message(struct SessionHandle *data,
62                                              const char *chlg64,
63                                              const char *user,
64                                              const char *passwdp,
65                                              const char *service,
66                                              char **outptr, size_t *outlen);
67 #endif
68
69 #ifdef USE_NTLM
70 /* This is used to generate a base64 encoded NTLM type-1 message */
71 CURLcode Curl_sasl_create_ntlm_type1_message(const char *userp,
72                                              const char *passwdp,
73                                              struct ntlmdata *ntlm,
74                                              char **outptr,
75                                              size_t *outlen);
76
77 /* This is used to decode an incoming NTLM type-2 message and generate a
78    base64 encoded type-3 response */
79 CURLcode Curl_sasl_create_ntlm_type3_message(struct SessionHandle *data,
80                                              const char *header,
81                                              const char *userp,
82                                              const char *passwdp,
83                                              struct ntlmdata *ntlm,
84                                              char **outptr, size_t *outlen);
85
86 #endif /* USE_NTLM */
87
88 /* This is used to cleanup any libraries or curl modules used by the sasl
89    functions */
90 void Curl_sasl_cleanup(struct connectdata *conn, unsigned int authused);
91
92 #endif /* HEADER_CURL_SASL_H */