/* * HTTP authentication * Copyright (c) 2010 Martin Storsjo * * This file is part of Libav. * * Libav is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * Libav is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef AVFORMAT_HTTPAUTH_H#define AVFORMAT_HTTPAUTH_H /** * Authentication types, ordered from weakest to strongest. */typedef enum HTTPAuthType {    HTTP_AUTH_NONE = 0,    /**< No authentication specified */    HTTP_AUTH_BASIC,       /**< HTTP 1.0 Basic auth from RFC 1945                             *  (also in RFC 2617) */    HTTP_AUTH_DIGEST,      /**< HTTP 1.1 Digest auth from RFC 2617 */} HTTPAuthType; typedef struct {    char nonce[300];       /**< Server specified nonce */    char algorithm[10];    /**< Server specified digest algorithm */    char qop[30];          /**< Quality of protection, containing the one                             *  that we've chosen to use, from the                             *  alternatives that the server offered. */    char opaque[300];      /**< A server-specified string that should be                             *  included in authentication responses, not                             *  included in the actual digest calculation. */    char stale[10];        /**< The server indicated that the auth was ok,                             * but needs to be redone with a new, non-stale                             * nonce. */    int nc;                /**< Nonce count, the number of earlier replies                             *  where this particular nonce has been used. */} DigestParams; /** * HTTP Authentication state structure. Must be zero-initialized * before used with the functions below. */typedef struct {    /**     * The currently chosen auth type.     */    HTTPAuthType auth_type;    /**     * Authentication realm     */    char realm[200];    /**     * The parameters specifiec to digest authentication.     */    DigestParams digest_params;    /**     * Auth ok, but needs to be resent with a new nonce.     */    int stale;} HTTPAuthState; void ff_http_auth_handle_header(HTTPAuthState *state, const char *key,                                const char *value);char *ff_http_auth_create_response(HTTPAuthState *state, const char *auth,                                   const char *path, const char *method); #endif /* AVFORMAT_HTTPAUTH_H */