xref: /openbsd/usr.sbin/smtpd/ssl.h (revision 898184e3)
1 /*	$OpenBSD: ssl.h,v 1.1 2013/01/26 09:37:24 gilles Exp $	*/
2 /*
3  * Copyright (c) 2013 Gilles Chehade <gilles@poolp.org>
4  *
5  * Permission to use, copy, modify, and distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  */
17 
18 #define SSL_CIPHERS		"HIGH"
19 #define	SSL_SESSION_TIMEOUT	300
20 
21 struct ssl {
22 	char			 ssl_name[PATH_MAX];
23 	char			*ssl_ca;
24 	off_t			 ssl_ca_len;
25 	char			*ssl_cert;
26 	off_t			 ssl_cert_len;
27 	char			*ssl_key;
28 	off_t			 ssl_key_len;
29 	char			*ssl_dhparams;
30 	off_t			 ssl_dhparams_len;
31 	uint8_t			 flags;
32 };
33 
34 /* ssl.c */
35 void		ssl_init(void);
36 int		ssl_setup(SSL_CTX **, struct ssl *);
37 SSL_CTX	       *ssl_ctx_create(void);
38 int		ssl_load_certfile(struct ssl **, const char *, const char *, uint8_t);
39 void	       *ssl_mta_init(char *, off_t, char *, off_t);
40 void	       *ssl_smtp_init(void *, char *, off_t, char *, off_t);
41 int	        ssl_cmp(struct ssl *, struct ssl *);
42 DH	       *get_dh1024(void);
43 DH	       *get_dh_from_memory(char *, size_t);
44 void		ssl_set_ephemeral_key_exchange(SSL_CTX *, DH *);
45 extern int	ssl_ctx_load_verify_memory(SSL_CTX *, char *, off_t);
46 char	       *ssl_load_file(const char *, off_t *, mode_t);
47 char	       *ssl_load_key(const char *, off_t *, char *);
48 
49 const char     *ssl_to_text(const SSL *);
50 void		ssl_error(const char *);
51 
52 
53 /* ssl_privsep.c */
54 int	 ssl_ctx_use_private_key(SSL_CTX *, char *, off_t);
55 int	 ssl_ctx_use_certificate_chain(SSL_CTX *, char *, off_t);
56 int      ssl_ctx_load_verify_memory(SSL_CTX *, char *, off_t);
57 int      ssl_by_mem_ctrl(X509_LOOKUP *, int, const char *, long, char **);
58