| 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 */ |