/*
 * TLS/SSL Protocol
 * Copyright (c) 2011 Martin Storsjo
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg 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.
 *
 * FFmpeg 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 FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef AVFORMAT_TLS_H
#define AVFORMAT_TLS_H

#include "config.h"
#include "url.h"
#include "libavutil/opt.h"

#define CONFIG_TLS_PROTOCOL (CONFIG_TLS_GNUTLS_PROTOCOL | CONFIG_TLS_OPENSSL_PROTOCOL | CONFIG_TLS_SECURETRANSPORT_PROTOCOL)

typedef struct TLSShared {
    char *ca_file;
    int verify;
    char *cert_file;
    char *key_file;
    int listen;

    char *host;

    char underlying_host[200];
    int numerichost;

    URLContext *tcp;
} TLSShared;

#define TLS_OPTFL (AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
#define TLS_COMMON_OPTIONS(pstruct, options_field) \
    {"ca_file",    "Certificate Authority database file", offsetof(pstruct, options_field . ca_file),   AV_OPT_TYPE_STRING, .flags = TLS_OPTFL }, \
    {"cafile",     "Certificate Authority database file", offsetof(pstruct, options_field . ca_file),   AV_OPT_TYPE_STRING, .flags = TLS_OPTFL }, \
    {"tls_verify", "Verify the peer certificate",         offsetof(pstruct, options_field . verify),    AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, .flags = TLS_OPTFL }, \
    {"cert_file",  "Certificate file",                    offsetof(pstruct, options_field . cert_file), AV_OPT_TYPE_STRING, .flags = TLS_OPTFL }, \
    {"key_file",   "Private key file",                    offsetof(pstruct, options_field . key_file),  AV_OPT_TYPE_STRING, .flags = TLS_OPTFL }, \
    {"listen",     "Listen for incoming connections",     offsetof(pstruct, options_field . listen),    AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, .flags = TLS_OPTFL }, \
    {"verifyhost", "Verify against a specific hostname",  offsetof(pstruct, options_field . host),      AV_OPT_TYPE_STRING, .flags = TLS_OPTFL }

int ff_tls_open_underlying(TLSShared *c, URLContext *parent, const char *uri, AVDictionary **options);

void ff_gnutls_init(void);
void ff_gnutls_deinit(void);

int ff_openssl_init(void);
void ff_openssl_deinit(void);

#endif /* AVFORMAT_TLS_H */