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/* $OpenBSD: tls_internal.h,v 1.11 2015/02/22 14:50:41 jsing Exp $ */
/*
* Copyright (c) 2014 Jeremie Courreges-Anglas <jca@openbsd.org>
* 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_TLS_INTERNAL_H
#define HEADER_TLS_INTERNAL_H
#include <openssl/ssl.h>
#define HTTPS_PORT "443"
#define _PATH_SSL_CA_FILE "/etc/ssl/cert.pem"
#define TLS_CIPHERS_COMPAT "ALL:!aNULL:!eNULL"
#define TLS_CIPHERS_DEFAULT "TLSv1.2+AEAD+ECDHE:TLSv1.2+AEAD+DHE"
struct tls_config {
const char *ca_file;
const char *ca_path;
char *ca_mem;
size_t ca_len;
const char *cert_file;
char *cert_mem;
size_t cert_len;
const char *ciphers;
int dheparams;
int ecdhecurve;
const char *key_file;
char *key_mem;
size_t key_len;
uint32_t protocols;
int verify_cert;
int verify_depth;
int verify_name;
};
#define TLS_CLIENT (1 << 0)
#define TLS_SERVER (1 << 1)
#define TLS_SERVER_CONN (1 << 2)
#define TLS_CONNECTING (1 << 3)
struct tls {
struct tls_config *config;
uint64_t flags;
int err;
char *errmsg;
int socket;
SSL *ssl_conn;
SSL_CTX *ssl_ctx;
};
struct tls *tls_new(void);
struct tls *tls_server_conn(struct tls *ctx);
int tls_check_servername(struct tls *ctx, X509 *cert, const char *servername);
int tls_configure_keypair(struct tls *ctx);
int tls_configure_server(struct tls *ctx);
int tls_configure_ssl(struct tls *ctx);
int tls_host_port(const char *hostport, char **host, char **port);
int tls_set_error(struct tls *ctx, char *fmt, ...)
__attribute__((__format__ (printf, 2, 3)))
__attribute__((__nonnull__ (2)));
int tls_ssl_error(struct tls *ctx, int ssl_ret, const char *prefix);
#endif /* HEADER_TLS_INTERNAL_H */
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