Import LibreSSL 3.2.0

1 files changed, 226 insertions, 0 deletions

diff --git a/include/tls.h b/include/tls.h
new file mode 100644
index 0000000..de6d257
--- /dev/null
+++ b/include/tls.h
@@ -0,0 +1,226 @@
+/* $OpenBSD: tls.h,v 1.58 2020/01/22 06:44:02 beck 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_TLS_H
+#define HEADER_TLS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef _MSC_VER
+#ifndef LIBRESSL_INTERNAL
+#include <basetsd.h>
+typedef SSIZE_T ssize_t;
+#endif
+#endif
+
+#include <sys/types.h>
+
+#include <stddef.h>
+#include <stdint.h>
+
+#define TLS_API	20200120
+
+#define TLS_PROTOCOL_TLSv1_0	(1 << 1)
+#define TLS_PROTOCOL_TLSv1_1	(1 << 2)
+#define TLS_PROTOCOL_TLSv1_2	(1 << 3)
+#define TLS_PROTOCOL_TLSv1_3	(1 << 4)
+
+#define TLS_PROTOCOL_TLSv1 \
+	(TLS_PROTOCOL_TLSv1_0|TLS_PROTOCOL_TLSv1_1|\
+	 TLS_PROTOCOL_TLSv1_2|TLS_PROTOCOL_TLSv1_3)
+
+#define TLS_PROTOCOLS_ALL TLS_PROTOCOL_TLSv1
+#define TLS_PROTOCOLS_DEFAULT (TLS_PROTOCOL_TLSv1_2|TLS_PROTOCOL_TLSv1_3)
+
+#define TLS_WANT_POLLIN		-2
+#define TLS_WANT_POLLOUT	-3
+
+/* RFC 6960 Section 2.3 */
+#define TLS_OCSP_RESPONSE_SUCCESSFUL		0
+#define TLS_OCSP_RESPONSE_MALFORMED		1
+#define TLS_OCSP_RESPONSE_INTERNALERROR		2
+#define TLS_OCSP_RESPONSE_TRYLATER		3
+#define TLS_OCSP_RESPONSE_SIGREQUIRED		4
+#define TLS_OCSP_RESPONSE_UNAUTHORIZED		5
+
+/* RFC 6960 Section 2.2 */
+#define TLS_OCSP_CERT_GOOD			0
+#define TLS_OCSP_CERT_REVOKED			1
+#define TLS_OCSP_CERT_UNKNOWN			2
+
+/* RFC 5280 Section 5.3.1 */
+#define TLS_CRL_REASON_UNSPECIFIED		0
+#define TLS_CRL_REASON_KEY_COMPROMISE		1
+#define TLS_CRL_REASON_CA_COMPROMISE		2
+#define TLS_CRL_REASON_AFFILIATION_CHANGED	3
+#define TLS_CRL_REASON_SUPERSEDED		4
+#define TLS_CRL_REASON_CESSATION_OF_OPERATION	5
+#define TLS_CRL_REASON_CERTIFICATE_HOLD		6
+#define TLS_CRL_REASON_REMOVE_FROM_CRL		8
+#define TLS_CRL_REASON_PRIVILEGE_WITHDRAWN	9
+#define TLS_CRL_REASON_AA_COMPROMISE		10
+
+#define TLS_MAX_SESSION_ID_LENGTH		32
+#define TLS_TICKET_KEY_SIZE			48
+
+struct tls;
+struct tls_config;
+
+typedef ssize_t (*tls_read_cb)(struct tls *_ctx, void *_buf, size_t _buflen,
+    void *_cb_arg);
+typedef ssize_t (*tls_write_cb)(struct tls *_ctx, const void *_buf,
+    size_t _buflen, void *_cb_arg);
+
+int tls_init(void);
+
+const char *tls_config_error(struct tls_config *_config);
+const char *tls_error(struct tls *_ctx);
+
+struct tls_config *tls_config_new(void);
+void tls_config_free(struct tls_config *_config);
+
+const char *tls_default_ca_cert_file(void);
+
+int tls_config_add_keypair_file(struct tls_config *_config,
+    const char *_cert_file, const char *_key_file);
+int tls_config_add_keypair_mem(struct tls_config *_config, const uint8_t *_cert,
+    size_t _cert_len, const uint8_t *_key, size_t _key_len);
+int tls_config_add_keypair_ocsp_file(struct tls_config *_config,
+    const char *_cert_file, const char *_key_file,
+    const char *_ocsp_staple_file);
+int tls_config_add_keypair_ocsp_mem(struct tls_config *_config, const uint8_t *_cert,
+    size_t _cert_len, const uint8_t *_key, size_t _key_len,
+    const uint8_t *_staple, size_t _staple_len);
+int tls_config_set_alpn(struct tls_config *_config, const char *_alpn);
+int tls_config_set_ca_file(struct tls_config *_config, const char *_ca_file);
+int tls_config_set_ca_path(struct tls_config *_config, const char *_ca_path);
+int tls_config_set_ca_mem(struct tls_config *_config, const uint8_t *_ca,
+    size_t _len);
+int tls_config_set_cert_file(struct tls_config *_config,
+    const char *_cert_file);
+int tls_config_set_cert_mem(struct tls_config *_config, const uint8_t *_cert,
+    size_t _len);
+int tls_config_set_ciphers(struct tls_config *_config, const char *_ciphers);
+int tls_config_set_crl_file(struct tls_config *_config, const char *_crl_file);
+int tls_config_set_crl_mem(struct tls_config *_config, const uint8_t *_crl,
+    size_t _len);
+int tls_config_set_dheparams(struct tls_config *_config, const char *_params);
+int tls_config_set_ecdhecurve(struct tls_config *_config, const char *_curve);
+int tls_config_set_ecdhecurves(struct tls_config *_config, const char *_curves);
+int tls_config_set_key_file(struct tls_config *_config, const char *_key_file);
+int tls_config_set_key_mem(struct tls_config *_config, const uint8_t *_key,
+    size_t _len);
+int tls_config_set_keypair_file(struct tls_config *_config,
+    const char *_cert_file, const char *_key_file);
+int tls_config_set_keypair_mem(struct tls_config *_config, const uint8_t *_cert,
+    size_t _cert_len, const uint8_t *_key, size_t _key_len);
+int tls_config_set_keypair_ocsp_file(struct tls_config *_config,
+    const char *_cert_file, const char *_key_file, const char *_staple_file);
+int tls_config_set_keypair_ocsp_mem(struct tls_config *_config, const uint8_t *_cert,
+    size_t _cert_len, const uint8_t *_key, size_t _key_len,
+    const uint8_t *_staple, size_t staple_len);
+int tls_config_set_ocsp_staple_mem(struct tls_config *_config,
+    const uint8_t *_staple, size_t _len);
+int tls_config_set_ocsp_staple_file(struct tls_config *_config,
+    const char *_staple_file);
+int tls_config_set_protocols(struct tls_config *_config, uint32_t _protocols);
+int tls_config_set_session_fd(struct tls_config *_config, int _session_fd);
+int tls_config_set_verify_depth(struct tls_config *_config, int _verify_depth);
+
+void tls_config_prefer_ciphers_client(struct tls_config *_config);
+void tls_config_prefer_ciphers_server(struct tls_config *_config);
+
+void tls_config_insecure_noverifycert(struct tls_config *_config);
+void tls_config_insecure_noverifyname(struct tls_config *_config);
+void tls_config_insecure_noverifytime(struct tls_config *_config);
+void tls_config_verify(struct tls_config *_config);
+
+void tls_config_ocsp_require_stapling(struct tls_config *_config);
+void tls_config_verify_client(struct tls_config *_config);
+void tls_config_verify_client_optional(struct tls_config *_config);
+
+void tls_config_clear_keys(struct tls_config *_config);
+int tls_config_parse_protocols(uint32_t *_protocols, const char *_protostr);
+
+int tls_config_set_session_id(struct tls_config *_config,
+    const unsigned char *_session_id, size_t _len);
+int tls_config_set_session_lifetime(struct tls_config *_config, int _lifetime);
+int tls_config_add_ticket_key(struct tls_config *_config, uint32_t _keyrev,
+    unsigned char *_key, size_t _keylen);
+
+struct tls *tls_client(void);
+struct tls *tls_server(void);
+int tls_configure(struct tls *_ctx, struct tls_config *_config);
+void tls_reset(struct tls *_ctx);
+void tls_free(struct tls *_ctx);
+
+int tls_accept_fds(struct tls *_ctx, struct tls **_cctx, int _fd_read,
+    int _fd_write);
+int tls_accept_socket(struct tls *_ctx, struct tls **_cctx, int _socket);
+int tls_accept_cbs(struct tls *_ctx, struct tls **_cctx,
+    tls_read_cb _read_cb, tls_write_cb _write_cb, void *_cb_arg);
+int tls_connect(struct tls *_ctx, const char *_host, const char *_port);
+int tls_connect_fds(struct tls *_ctx, int _fd_read, int _fd_write,
+    const char *_servername);
+int tls_connect_servername(struct tls *_ctx, const char *_host,
+    const char *_port, const char *_servername);
+int tls_connect_socket(struct tls *_ctx, int _s, const char *_servername);
+int tls_connect_cbs(struct tls *_ctx, tls_read_cb _read_cb,
+    tls_write_cb _write_cb, void *_cb_arg, const char *_servername);
+int tls_handshake(struct tls *_ctx);
+ssize_t tls_read(struct tls *_ctx, void *_buf, size_t _buflen);
+ssize_t tls_write(struct tls *_ctx, const void *_buf, size_t _buflen);
+int tls_close(struct tls *_ctx);
+
+int tls_peer_cert_provided(struct tls *_ctx);
+int tls_peer_cert_contains_name(struct tls *_ctx, const char *_name);
+
+const char *tls_peer_cert_hash(struct tls *_ctx);
+const char *tls_peer_cert_issuer(struct tls *_ctx);
+const char *tls_peer_cert_subject(struct tls *_ctx);
+time_t	tls_peer_cert_notbefore(struct tls *_ctx);
+time_t	tls_peer_cert_notafter(struct tls *_ctx);
+const uint8_t *tls_peer_cert_chain_pem(struct tls *_ctx, size_t *_len);
+
+const char *tls_conn_alpn_selected(struct tls *_ctx);
+const char *tls_conn_cipher(struct tls *_ctx);
+int tls_conn_cipher_strength(struct tls *_ctx);
+const char *tls_conn_servername(struct tls *_ctx);
+int tls_conn_session_resumed(struct tls *_ctx);
+const char *tls_conn_version(struct tls *_ctx);
+
+uint8_t *tls_load_file(const char *_file, size_t *_len, char *_password);
+void tls_unload_file(uint8_t *_buf, size_t len);
+
+int tls_ocsp_process_response(struct tls *_ctx, const unsigned char *_response,
+    size_t _size);
+int tls_peer_ocsp_cert_status(struct tls *_ctx);
+int tls_peer_ocsp_crl_reason(struct tls *_ctx);
+time_t tls_peer_ocsp_next_update(struct tls *_ctx);
+int tls_peer_ocsp_response_status(struct tls *_ctx);
+const char *tls_peer_ocsp_result(struct tls *_ctx);
+time_t tls_peer_ocsp_revocation_time(struct tls *_ctx);
+time_t tls_peer_ocsp_this_update(struct tls *_ctx);
+const char *tls_peer_ocsp_url(struct tls *_ctx);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HEADER_TLS_H */