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/* $OpenBSD: ressl.h,v 1.18 2014/10/03 14:14:40 tedu Exp $ */
/*
* Copyright (c) 2014 Joel Sing <jsing@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef HEADER_RESSL_H
#define HEADER_RESSL_H
#define RESSL_PROTOCOL_SSLv3 (1 << 0)
#define RESSL_PROTOCOL_TLSv1_0 (1 << 1)
#define RESSL_PROTOCOL_TLSv1_1 (1 << 2)
#define RESSL_PROTOCOL_TLSv1_2 (1 << 3)
#define RESSL_PROTOCOL_TLSv1 \
(RESSL_PROTOCOL_TLSv1_0|RESSL_PROTOCOL_TLSv1_1|RESSL_PROTOCOL_TLSv1_2)
#define RESSL_PROTOCOLS_DEFAULT \
(RESSL_PROTOCOL_SSLv3|RESSL_PROTOCOL_TLSv1)
#define RESSL_READ_AGAIN -2
#define RESSL_WRITE_AGAIN -3
struct ressl;
struct ressl_config;
int ressl_init(void);
const char *ressl_error(struct ressl *ctx);
struct ressl_config *ressl_config_new(void);
void ressl_config_free(struct ressl_config *config);
int ressl_config_set_ca_file(struct ressl_config *config, const char *ca_file);
int ressl_config_set_ca_path(struct ressl_config *config, const char *ca_path);
int ressl_config_set_cert_file(struct ressl_config *config,
const char *cert_file);
int ressl_config_set_cert_mem(struct ressl_config *config, const uint8_t *cert,
size_t len);
int ressl_config_set_ciphers(struct ressl_config *config, const char *ciphers);
int ressl_config_set_ecdhcurve(struct ressl_config *config, const char *name);
int ressl_config_set_key_file(struct ressl_config *config,
const char *key_file);
int ressl_config_set_key_mem(struct ressl_config *config, const uint8_t *key,
size_t len);
void ressl_config_set_protocols(struct ressl_config *config,
uint32_t protocols);
void ressl_config_set_verify_depth(struct ressl_config *config,
int verify_depth);
void ressl_config_clear_keys(struct ressl_config *config);
void ressl_config_insecure_noverifyhost(struct ressl_config *config);
void ressl_config_insecure_noverifycert(struct ressl_config *config);
void ressl_config_verify(struct ressl_config *config);
struct ressl *ressl_client(void);
struct ressl *ressl_server(void);
int ressl_configure(struct ressl *ctx, struct ressl_config *config);
void ressl_reset(struct ressl *ctx);
void ressl_free(struct ressl *ctx);
int ressl_accept(struct ressl *ctx, struct ressl **cctx);
int ressl_accept_socket(struct ressl *ctx, struct ressl **cctx, int socket);
int ressl_connect(struct ressl *ctx, const char *host, const char *port);
int ressl_connect_socket(struct ressl *ctx, int s, const char *hostname);
int ressl_listen(struct ressl *ctx, const char *host, const char *port, int af);
int ressl_read(struct ressl *ctx, void *buf, size_t buflen, size_t *outlen);
int ressl_write(struct ressl *ctx, const void *buf, size_t buflen,
size_t *outlen);
int ressl_close(struct ressl *ctx);
#endif /* HEADER_RESSL_H */
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