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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 | */ | |
59 | HTTPAuthType auth_type; | |
60 | /** | |
61 | * Authentication realm | |
62 | */ | |
63 | char realm[200]; | |
64 | /** | |
65 | * The parameters specifiec to digest authentication. | |
66 | */ | |
67 | DigestParams digest_params; | |
68 | /** | |
69 | * Auth ok, but needs to be resent with a new nonce. | |
70 | */ | |
71 | int stale; | |
72 | } HTTPAuthState; | |
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 */ |