1 /* $OpenBSD: tls.h,v 1.28 2016/04/28 17:05:59 jsing Exp $ */
3 * Copyright (c) 2014 Joel Sing <jsing@openbsd.org>
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.
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.
25 #include <sys/types.h>
30 #define TLS_API 20141031
32 #define TLS_PROTOCOL_TLSv1_0 (1 << 1)
33 #define TLS_PROTOCOL_TLSv1_1 (1 << 2)
34 #define TLS_PROTOCOL_TLSv1_2 (1 << 3)
35 #define TLS_PROTOCOL_TLSv1 \
36 (TLS_PROTOCOL_TLSv1_0|TLS_PROTOCOL_TLSv1_1|TLS_PROTOCOL_TLSv1_2)
38 #define TLS_PROTOCOLS_ALL TLS_PROTOCOL_TLSv1
39 #define TLS_PROTOCOLS_DEFAULT TLS_PROTOCOL_TLSv1_2
41 #define TLS_WANT_POLLIN -2
42 #define TLS_WANT_POLLOUT -3
49 const char *tls_config_error(struct tls_config *_config);
50 const char *tls_error(struct tls *_ctx);
52 struct tls_config *tls_config_new(void);
53 void tls_config_free(struct tls_config *_config);
55 int tls_config_set_ca_file(struct tls_config *_config, const char *_ca_file);
56 int tls_config_set_ca_path(struct tls_config *_config, const char *_ca_path);
57 int tls_config_set_ca_mem(struct tls_config *_config, const uint8_t *_ca,
59 int tls_config_set_cert_file(struct tls_config *_config,
60 const char *_cert_file);
61 int tls_config_set_cert_mem(struct tls_config *_config, const uint8_t *_cert,
63 int tls_config_set_ciphers(struct tls_config *_config, const char *_ciphers);
64 int tls_config_set_dheparams(struct tls_config *_config, const char *_params);
65 int tls_config_set_ecdhecurve(struct tls_config *_config, const char *_name);
66 int tls_config_set_key_file(struct tls_config *_config, const char *_key_file);
67 int tls_config_set_key_mem(struct tls_config *_config, const uint8_t *_key,
69 int tls_config_set_keypair_file(struct tls_config *_config,
70 const char *_cert_file, const char *_key_file);
71 int tls_config_set_keypair_mem(struct tls_config *_config, const uint8_t *_cert,
72 size_t _cert_len, const uint8_t *_key, size_t _key_len);
73 void tls_config_set_protocols(struct tls_config *_config, uint32_t _protocols);
74 void tls_config_set_verify_depth(struct tls_config *_config, int _verify_depth);
76 void tls_config_prefer_ciphers_client(struct tls_config *_config);
77 void tls_config_prefer_ciphers_server(struct tls_config *_config);
79 void tls_config_insecure_noverifycert(struct tls_config *_config);
80 void tls_config_insecure_noverifyname(struct tls_config *_config);
81 void tls_config_insecure_noverifytime(struct tls_config *_config);
82 void tls_config_verify(struct tls_config *_config);
84 void tls_config_verify_client(struct tls_config *_config);
85 void tls_config_verify_client_optional(struct tls_config *_config);
87 void tls_config_clear_keys(struct tls_config *_config);
88 int tls_config_parse_protocols(uint32_t *_protocols, const char *_protostr);
90 struct tls *tls_client(void);
91 struct tls *tls_server(void);
92 int tls_configure(struct tls *_ctx, struct tls_config *_config);
93 void tls_reset(struct tls *_ctx);
94 void tls_free(struct tls *_ctx);
96 int tls_accept_fds(struct tls *_ctx, struct tls **_cctx, int _fd_read,
98 int tls_accept_socket(struct tls *_ctx, struct tls **_cctx, int _socket);
99 int tls_connect(struct tls *_ctx, const char *_host, const char *_port);
100 int tls_connect_fds(struct tls *_ctx, int _fd_read, int _fd_write,
101 const char *_servername);
102 int tls_connect_servername(struct tls *_ctx, const char *_host,
103 const char *_port, const char *_servername);
104 int tls_connect_socket(struct tls *_ctx, int _s, const char *_servername);
105 int tls_handshake(struct tls *_ctx);
106 ssize_t tls_read(struct tls *_ctx, void *_buf, size_t _buflen);
107 ssize_t tls_write(struct tls *_ctx, const void *_buf, size_t _buflen);
108 int tls_close(struct tls *_ctx);
110 int tls_peer_cert_provided(struct tls *_ctx);
111 int tls_peer_cert_contains_name(struct tls *_ctx, const char *_name);
113 const char *tls_peer_cert_hash(struct tls *_ctx);
114 const char *tls_peer_cert_issuer(struct tls *_ctx);
115 const char *tls_peer_cert_subject(struct tls *_ctx);
116 time_t tls_peer_cert_notbefore(struct tls *_ctx);
117 time_t tls_peer_cert_notafter(struct tls *_ctx);
119 const char *tls_conn_version(struct tls *_ctx);
120 const char *tls_conn_cipher(struct tls *_ctx);
122 uint8_t *tls_load_file(const char *_file, size_t *_len, char *_password);
128 #endif /* HEADER_TLS_H */