227 lines
9.2 KiB
C
Executable File
227 lines
9.2 KiB
C
Executable File
/* $OpenBSD: tls.h,v 1.62 2022/03/24 15:56:34 tb Exp $ */
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/*
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* Copyright (c) 2014 Joel Sing <jsing@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef HEADER_TLS_H
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#define HEADER_TLS_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef _MSC_VER
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#ifndef LIBRESSL_INTERNAL
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#include <basetsd.h>
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typedef SSIZE_T ssize_t;
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#endif
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#endif
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#include <sys/types.h>
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#include <stddef.h>
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#include <stdint.h>
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#define TLS_API 20200120
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#define TLS_PROTOCOL_TLSv1_0 (1 << 1)
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#define TLS_PROTOCOL_TLSv1_1 (1 << 2)
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#define TLS_PROTOCOL_TLSv1_2 (1 << 3)
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#define TLS_PROTOCOL_TLSv1_3 (1 << 4)
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#define TLS_PROTOCOL_TLSv1 \
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(TLS_PROTOCOL_TLSv1_0|TLS_PROTOCOL_TLSv1_1|\
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TLS_PROTOCOL_TLSv1_2|TLS_PROTOCOL_TLSv1_3)
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#define TLS_PROTOCOLS_ALL TLS_PROTOCOL_TLSv1
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#define TLS_PROTOCOLS_DEFAULT (TLS_PROTOCOL_TLSv1_2|TLS_PROTOCOL_TLSv1_3)
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#define TLS_WANT_POLLIN -2
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#define TLS_WANT_POLLOUT -3
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/* RFC 6960 Section 2.3 */
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#define TLS_OCSP_RESPONSE_SUCCESSFUL 0
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#define TLS_OCSP_RESPONSE_MALFORMED 1
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#define TLS_OCSP_RESPONSE_INTERNALERROR 2
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#define TLS_OCSP_RESPONSE_TRYLATER 3
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#define TLS_OCSP_RESPONSE_SIGREQUIRED 4
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#define TLS_OCSP_RESPONSE_UNAUTHORIZED 5
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/* RFC 6960 Section 2.2 */
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#define TLS_OCSP_CERT_GOOD 0
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#define TLS_OCSP_CERT_REVOKED 1
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#define TLS_OCSP_CERT_UNKNOWN 2
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/* RFC 5280 Section 5.3.1 */
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#define TLS_CRL_REASON_UNSPECIFIED 0
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#define TLS_CRL_REASON_KEY_COMPROMISE 1
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#define TLS_CRL_REASON_CA_COMPROMISE 2
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#define TLS_CRL_REASON_AFFILIATION_CHANGED 3
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#define TLS_CRL_REASON_SUPERSEDED 4
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#define TLS_CRL_REASON_CESSATION_OF_OPERATION 5
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#define TLS_CRL_REASON_CERTIFICATE_HOLD 6
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#define TLS_CRL_REASON_REMOVE_FROM_CRL 8
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#define TLS_CRL_REASON_PRIVILEGE_WITHDRAWN 9
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#define TLS_CRL_REASON_AA_COMPROMISE 10
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#define TLS_MAX_SESSION_ID_LENGTH 32
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#define TLS_TICKET_KEY_SIZE 48
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struct tls;
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struct tls_config;
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typedef ssize_t (*tls_read_cb)(struct tls *_ctx, void *_buf, size_t _buflen,
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void *_cb_arg);
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typedef ssize_t (*tls_write_cb)(struct tls *_ctx, const void *_buf,
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size_t _buflen, void *_cb_arg);
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int tls_init(void);
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const char *tls_config_error(struct tls_config *_config);
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const char *tls_error(struct tls *_ctx);
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struct tls_config *tls_config_new(void);
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void tls_config_free(struct tls_config *_config);
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const char *tls_default_ca_cert_file(void);
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int tls_config_add_keypair_file(struct tls_config *_config,
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const char *_cert_file, const char *_key_file);
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int tls_config_add_keypair_mem(struct tls_config *_config, const uint8_t *_cert,
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size_t _cert_len, const uint8_t *_key, size_t _key_len);
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int tls_config_add_keypair_ocsp_file(struct tls_config *_config,
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const char *_cert_file, const char *_key_file,
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const char *_ocsp_staple_file);
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int tls_config_add_keypair_ocsp_mem(struct tls_config *_config, const uint8_t *_cert,
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size_t _cert_len, const uint8_t *_key, size_t _key_len,
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const uint8_t *_staple, size_t _staple_len);
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int tls_config_set_alpn(struct tls_config *_config, const char *_alpn);
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int tls_config_set_ca_file(struct tls_config *_config, const char *_ca_file);
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int tls_config_set_ca_path(struct tls_config *_config, const char *_ca_path);
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int tls_config_set_ca_mem(struct tls_config *_config, const uint8_t *_ca,
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size_t _len);
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int tls_config_set_cert_file(struct tls_config *_config,
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const char *_cert_file);
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int tls_config_set_cert_mem(struct tls_config *_config, const uint8_t *_cert,
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size_t _len);
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int tls_config_set_ciphers(struct tls_config *_config, const char *_ciphers);
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int tls_config_set_crl_file(struct tls_config *_config, const char *_crl_file);
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int tls_config_set_crl_mem(struct tls_config *_config, const uint8_t *_crl,
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size_t _len);
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int tls_config_set_dheparams(struct tls_config *_config, const char *_params);
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int tls_config_set_ecdhecurve(struct tls_config *_config, const char *_curve);
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int tls_config_set_ecdhecurves(struct tls_config *_config, const char *_curves);
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int tls_config_set_key_file(struct tls_config *_config, const char *_key_file);
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int tls_config_set_key_mem(struct tls_config *_config, const uint8_t *_key,
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size_t _len);
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int tls_config_set_keypair_file(struct tls_config *_config,
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const char *_cert_file, const char *_key_file);
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int tls_config_set_keypair_mem(struct tls_config *_config, const uint8_t *_cert,
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size_t _cert_len, const uint8_t *_key, size_t _key_len);
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int tls_config_set_keypair_ocsp_file(struct tls_config *_config,
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const char *_cert_file, const char *_key_file, const char *_staple_file);
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int tls_config_set_keypair_ocsp_mem(struct tls_config *_config, const uint8_t *_cert,
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size_t _cert_len, const uint8_t *_key, size_t _key_len,
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const uint8_t *_staple, size_t staple_len);
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int tls_config_set_ocsp_staple_mem(struct tls_config *_config,
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const uint8_t *_staple, size_t _len);
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int tls_config_set_ocsp_staple_file(struct tls_config *_config,
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const char *_staple_file);
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int tls_config_set_protocols(struct tls_config *_config, uint32_t _protocols);
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int tls_config_set_session_fd(struct tls_config *_config, int _session_fd);
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int tls_config_set_verify_depth(struct tls_config *_config, int _verify_depth);
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void tls_config_prefer_ciphers_client(struct tls_config *_config);
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void tls_config_prefer_ciphers_server(struct tls_config *_config);
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void tls_config_insecure_noverifycert(struct tls_config *_config);
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void tls_config_insecure_noverifyname(struct tls_config *_config);
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void tls_config_insecure_noverifytime(struct tls_config *_config);
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void tls_config_verify(struct tls_config *_config);
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void tls_config_ocsp_require_stapling(struct tls_config *_config);
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void tls_config_verify_client(struct tls_config *_config);
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void tls_config_verify_client_optional(struct tls_config *_config);
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void tls_config_clear_keys(struct tls_config *_config);
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int tls_config_parse_protocols(uint32_t *_protocols, const char *_protostr);
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int tls_config_set_session_id(struct tls_config *_config,
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const unsigned char *_session_id, size_t _len);
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int tls_config_set_session_lifetime(struct tls_config *_config, int _lifetime);
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int tls_config_add_ticket_key(struct tls_config *_config, uint32_t _keyrev,
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unsigned char *_key, size_t _keylen);
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struct tls *tls_client(void);
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struct tls *tls_server(void);
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int tls_configure(struct tls *_ctx, struct tls_config *_config);
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void tls_reset(struct tls *_ctx);
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void tls_free(struct tls *_ctx);
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int tls_accept_fds(struct tls *_ctx, struct tls **_cctx, int _fd_read,
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int _fd_write);
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int tls_accept_socket(struct tls *_ctx, struct tls **_cctx, int _socket);
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int tls_accept_cbs(struct tls *_ctx, struct tls **_cctx,
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tls_read_cb _read_cb, tls_write_cb _write_cb, void *_cb_arg);
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int tls_connect(struct tls *_ctx, const char *_host, const char *_port);
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int tls_connect_fds(struct tls *_ctx, int _fd_read, int _fd_write,
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const char *_servername);
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int tls_connect_servername(struct tls *_ctx, const char *_host,
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const char *_port, const char *_servername);
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int tls_connect_socket(struct tls *_ctx, int _s, const char *_servername);
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int tls_connect_cbs(struct tls *_ctx, tls_read_cb _read_cb,
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tls_write_cb _write_cb, void *_cb_arg, const char *_servername);
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int tls_handshake(struct tls *_ctx);
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ssize_t tls_read(struct tls *_ctx, void *_buf, size_t _buflen);
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ssize_t tls_write(struct tls *_ctx, const void *_buf, size_t _buflen);
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int tls_close(struct tls *_ctx);
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int tls_peer_cert_provided(struct tls *_ctx);
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int tls_peer_cert_contains_name(struct tls *_ctx, const char *_name);
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const char *tls_peer_cert_hash(struct tls *_ctx);
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const char *tls_peer_cert_issuer(struct tls *_ctx);
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const char *tls_peer_cert_subject(struct tls *_ctx);
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time_t tls_peer_cert_notbefore(struct tls *_ctx);
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time_t tls_peer_cert_notafter(struct tls *_ctx);
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const uint8_t *tls_peer_cert_chain_pem(struct tls *_ctx, size_t *_len);
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const char *tls_conn_alpn_selected(struct tls *_ctx);
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const char *tls_conn_cipher(struct tls *_ctx);
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int tls_conn_cipher_strength(struct tls *_ctx);
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const char *tls_conn_servername(struct tls *_ctx);
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int tls_conn_session_resumed(struct tls *_ctx);
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const char *tls_conn_version(struct tls *_ctx);
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uint8_t *tls_load_file(const char *_file, size_t *_len, char *_password);
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void tls_unload_file(uint8_t *_buf, size_t len);
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int tls_ocsp_process_response(struct tls *_ctx, const unsigned char *_response,
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size_t _size);
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int tls_peer_ocsp_cert_status(struct tls *_ctx);
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int tls_peer_ocsp_crl_reason(struct tls *_ctx);
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time_t tls_peer_ocsp_next_update(struct tls *_ctx);
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int tls_peer_ocsp_response_status(struct tls *_ctx);
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const char *tls_peer_ocsp_result(struct tls *_ctx);
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time_t tls_peer_ocsp_revocation_time(struct tls *_ctx);
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time_t tls_peer_ocsp_this_update(struct tls *_ctx);
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const char *tls_peer_ocsp_url(struct tls *_ctx);
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#ifdef __cplusplus
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}
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#endif
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#endif /* HEADER_TLS_H */
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