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 int auth_type; 60 /** 61 * Authentication realm 62 */ 63 char realm[200]; 64 /** 65 * The parameters specific 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 */ 80