.\" $OpenBSD: tls_load_file.3,v 1.1 2017/01/25 23:53:18 schwarze Exp $ .\" .\" Copyright (c) 2014 Ted Unangst .\" .\" 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. .\" .Dd $Mdocdate: January 25 2017 $ .Dt TLS_LOAD_FILE 3 .Os .Sh NAME .Nm tls_load_file , .Nm tls_config_set_ca_file , .Nm tls_config_set_ca_path , .Nm tls_config_set_ca_mem , .Nm tls_config_set_cert_file , .Nm tls_config_set_cert_mem , .Nm tls_config_set_key_file , .Nm tls_config_set_key_mem , .Nm tls_config_set_keypair_file , .Nm tls_config_set_keypair_mem , .Nm tls_config_add_keypair_file , .Nm tls_config_add_keypair_mem , .Nm tls_config_clear_keys , .Nm tls_config_set_verify_depth , .Nm tls_config_verify_client , .Nm tls_config_verify_client_optional .Nd TLS certificate and key configuration .Sh SYNOPSIS .In tls.h .Ft uint8_t * .Fo tls_load_file .Fa "const char *file" .Fa "size_t *len" .Fa "char *password" .Fc .Ft int .Fo tls_config_set_ca_file .Fa "struct tls_config *config" .Fa "const char *ca_file" .Fc .Ft int .Fo tls_config_set_ca_path .Fa "struct tls_config *config" .Fa "const char *ca_path" .Fc .Ft int .Fo tls_config_set_ca_mem .Fa "struct tls_config *config" .Fa "const uint8_t *cert" .Fa "size_t len" .Fc .Ft int .Fo tls_config_set_cert_file .Fa "struct tls_config *config" .Fa "const char *cert_file" .Fc .Ft int .Fo tls_config_set_cert_mem .Fa "struct tls_config *config" .Fa "const uint8_t *cert" .Fa "size_t len" .Fc .Ft int .Fo tls_config_set_key_file .Fa "struct tls_config *config" .Fa "const char *key_file" .Fc .Ft int .Fo tls_config_set_key_mem .Fa "struct tls_config *config" .Fa "const uint8_t *key" .Fa "size_t len" .Fc .Ft int .Fo tls_config_set_keypair_file .Fa "struct tls_config *config" .Fa "const char *cert_file" .Fa "const char *key_file" .Fc .Ft int .Fo tls_config_set_keypair_mem .Fa "struct tls_config *config" .Fa "const uint8_t *cert" .Fa "size_t cert_len" .Fa "const uint8_t *key" .Fa "size_t key_len" .Fc .Ft int .Fo tls_config_add_keypair_file .Fa "struct tls_config *config" .Fa "const char *cert_file" .Fa "const char *key_file" .Fc .Ft int .Fo tls_config_add_keypair_mem .Fa "struct tls_config *config" .Fa "const uint8_t *cert" .Fa "size_t cert_len" .Fa "const uint8_t *key" .Fa "size_t key_len" .Fc .Ft void .Fn tls_config_clear_keys "struct tls_config *config" .Ft int .Fo tls_config_set_verify_depth .Fa "struct tls_config *config" .Fa "int verify_depth" .Fc .Ft void .Fn tls_config_verify_client "struct tls_config *config" .Ft void .Fn tls_config_verify_client_optional "struct tls_config *config" .Sh DESCRIPTION .Fn tls_load_file loads a certificate or key from disk into memory to be loaded with .Fn tls_config_set_ca_mem , .Fn tls_config_set_cert_mem or .Fn tls_config_set_key_mem . A private key will be decrypted if the optional .Ar password argument is specified. .Pp .Fn tls_config_set_ca_file sets the filename used to load a file containing the root certificates. .Pp .Fn tls_config_set_ca_path sets the path (directory) which should be searched for root certificates. .Pp .Fn tls_config_set_ca_mem sets the root certificates directly from memory. .Pp .Fn tls_config_set_cert_file sets file from which the public certificate will be read. .Pp .Fn tls_config_set_cert_mem sets the public certificate directly from memory. .Pp .Fn tls_config_set_key_file sets the file from which the private key will be read. .Pp .Fn tls_config_set_key_mem directly sets the private key from memory. .Pp .Fn tls_config_set_keypair_file sets the files from which the public certificate and private key will be read. .Pp .Fn tls_config_set_keypair_mem directly sets the public certificate and private key from memory. .Pp .Fn tls_config_add_keypair_file adds an additional public certificate and private key from the specified files, used as an alternative certificate for Server Name Indication (server only). .Pp .Fn tls_config_add_keypair_mem adds an additional public certificate and private key from memory, used as an alternative certificate for Server Name Indication (server only). .Pp .Fn tls_config_clear_keys clears any secret keys from memory. .Pp .Fn tls_config_set_verify_depth limits the number of intermediate certificates that will be followed during certificate validation. .Pp .Fn tls_config_verify_client enables client certificate verification, requiring the client to send a certificate (server only). .Pp .Fn tls_config_verify_client_optional enables client certificate verification, without requiring the client to send a certificate (server only). .Sh RETURN VALUES .Fn tls_load_file returns .Dv NULL on error or an out of memory condition. .Pp The other functions return 0 on success or -1 on error. .Sh SEE ALSO .Xr tls_config_ocsp_require_stapling 3 , .Xr tls_config_set_protocols 3 , .Xr tls_config_set_session_id 3 , .Xr tls_configure 3 , .Xr tls_init 3