ssl.h

/* SPDX-License-Identifier: MIT */
/*
 * Author: Jianhui Zhao <zhaojh329@gmail.com>
 */

#ifndef __SSL_H
#define __SSL_H

#include <stdbool.h>

enum {
    SSL_OK = 0,
    SSL_ERROR = -1,
    SSL_WANT_READ = -2,
    SSL_WANT_WRITE = -3,
    SSL_INSECURE = -4
};

struct ssl {
    int err;
};

struct ssl_context;

const char *ssl_last_error_string(struct ssl *ssl, char *buf, int len);

struct ssl_context *ssl_context_new(bool server);
void ssl_context_free(struct ssl_context *ctx);

struct ssl *ssl_session_new(struct ssl_context *ctx, int sock);
void ssl_session_free(struct ssl *ssl);

int ssl_load_ca_cert_file(struct ssl_context *ctx, const char *file);
int ssl_load_cert_file(struct ssl_context *ctx, const char *file);
int ssl_load_key_file(struct ssl_context *ctx, const char *file);

int ssl_set_ciphers(struct ssl_context *ctx, const char *ciphers);

int ssl_set_require_validation(struct ssl_context *ctx, bool require);

void ssl_set_server_name(struct ssl *ssl, const char *name);

int ssl_read(struct ssl *ssl, void *buf, int len);
int ssl_write(struct ssl *ssl, const void *buf, int len);

int ssl_accept(struct ssl *ssl, void (*on_verify_error)(int error, const char *str, void *arg), void *arg);
int ssl_connect(struct ssl *ssl, void (*on_verify_error)(int error, const char *str, void *arg), void *arg);

#endif