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httpauth.h
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1 /*
2  * HTTP authentication
3  * Copyright (c) 2010 Martin Storsjo
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #ifndef AVFORMAT_HTTPAUTH_H
23 #define AVFORMAT_HTTPAUTH_H
24 
25 /**
26  * Authentication types, ordered from weakest to strongest.
27  */
28 typedef enum HTTPAuthType {
29  HTTP_AUTH_NONE = 0, /**< No authentication specified */
30  HTTP_AUTH_BASIC, /**< HTTP 1.0 Basic auth from RFC 1945
31  * (also in RFC 2617) */
32  HTTP_AUTH_DIGEST, /**< HTTP 1.1 Digest auth from RFC 2617 */
33 } HTTPAuthType;
34 
35 typedef struct DigestParams {
36  char nonce[300]; /**< Server specified nonce */
37  char algorithm[10]; /**< Server specified digest algorithm */
38  char qop[30]; /**< Quality of protection, containing the one
39  * that we've chosen to use, from the
40  * alternatives that the server offered. */
41  char opaque[300]; /**< A server-specified string that should be
42  * included in authentication responses, not
43  * included in the actual digest calculation. */
44  char stale[10]; /**< The server indicated that the auth was ok,
45  * but needs to be redone with a new, non-stale
46  * nonce. */
47  int nc; /**< Nonce count, the number of earlier replies
48  * where this particular nonce has been used. */
49 } DigestParams;
50 
51 /**
52  * HTTP Authentication state structure. Must be zero-initialized
53  * before used with the functions below.
54  */
55 typedef struct HTTPAuthState {
56  /**
57  * The currently chosen auth type.
58  */
60  /**
61  * Authentication realm
62  */
63  char realm[200];
64  /**
65  * The parameters specifiec to digest authentication.
66  */
68  /**
69  * Auth ok, but needs to be resent with a new nonce.
70  */
71  int stale;
73 
74 void ff_http_auth_handle_header(HTTPAuthState *state, const char *key,
75  const char *value);
76 char *ff_http_auth_create_response(HTTPAuthState *state, const char *auth,
77  const char *path, const char *method);
78 
79 #endif /* AVFORMAT_HTTPAUTH_H */