/* * nghttp2 - HTTP/2 C Library * * Copyright (c) 2012 Tatsuhiro Tsujikawa * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef SHRPX_CONFIG_H #define SHRPX_CONFIG_H #include "shrpx.h" #include #ifdef HAVE_SYS_SOCKET_H #include #endif // HAVE_SYS_SOCKET_H #include #ifdef HAVE_NETINET_IN_H #include #endif // HAVE_NETINET_IN_H #ifdef HAVE_ARPA_INET_H #include #endif // HAVE_ARPA_INET_H #include #include #include #include #include #include #include #include #include "shrpx_router.h" #include "template.h" #include "http2.h" #include "network.h" using namespace nghttp2; namespace shrpx { struct LogFragment; class ConnectBlocker; class Http2Session; namespace ssl { class CertLookupTree; } // namespace ssl constexpr char SHRPX_UNIX_PATH_PREFIX[] = "unix:"; constexpr char SHRPX_OPT_PRIVATE_KEY_FILE[] = "private-key-file"; constexpr char SHRPX_OPT_PRIVATE_KEY_PASSWD_FILE[] = "private-key-passwd-file"; constexpr char SHRPX_OPT_CERTIFICATE_FILE[] = "certificate-file"; constexpr char SHRPX_OPT_DH_PARAM_FILE[] = "dh-param-file"; constexpr char SHRPX_OPT_SUBCERT[] = "subcert"; constexpr char SHRPX_OPT_BACKEND[] = "backend"; constexpr char SHRPX_OPT_FRONTEND[] = "frontend"; constexpr char SHRPX_OPT_WORKERS[] = "workers"; constexpr char SHRPX_OPT_HTTP2_MAX_CONCURRENT_STREAMS[] = "http2-max-concurrent-streams"; constexpr char SHRPX_OPT_LOG_LEVEL[] = "log-level"; constexpr char SHRPX_OPT_DAEMON[] = "daemon"; constexpr char SHRPX_OPT_HTTP2_PROXY[] = "http2-proxy"; constexpr char SHRPX_OPT_HTTP2_BRIDGE[] = "http2-bridge"; constexpr char SHRPX_OPT_CLIENT_PROXY[] = "client-proxy"; constexpr char SHRPX_OPT_ADD_X_FORWARDED_FOR[] = "add-x-forwarded-for"; constexpr char SHRPX_OPT_STRIP_INCOMING_X_FORWARDED_FOR[] = "strip-incoming-x-forwarded-for"; constexpr char SHRPX_OPT_NO_VIA[] = "no-via"; constexpr char SHRPX_OPT_FRONTEND_HTTP2_READ_TIMEOUT[] = "frontend-http2-read-timeout"; constexpr char SHRPX_OPT_FRONTEND_READ_TIMEOUT[] = "frontend-read-timeout"; constexpr char SHRPX_OPT_FRONTEND_WRITE_TIMEOUT[] = "frontend-write-timeout"; constexpr char SHRPX_OPT_BACKEND_READ_TIMEOUT[] = "backend-read-timeout"; constexpr char SHRPX_OPT_BACKEND_WRITE_TIMEOUT[] = "backend-write-timeout"; constexpr char SHRPX_OPT_STREAM_READ_TIMEOUT[] = "stream-read-timeout"; constexpr char SHRPX_OPT_STREAM_WRITE_TIMEOUT[] = "stream-write-timeout"; constexpr char SHRPX_OPT_ACCESSLOG_FILE[] = "accesslog-file"; constexpr char SHRPX_OPT_ACCESSLOG_SYSLOG[] = "accesslog-syslog"; constexpr char SHRPX_OPT_ACCESSLOG_FORMAT[] = "accesslog-format"; constexpr char SHRPX_OPT_ERRORLOG_FILE[] = "errorlog-file"; constexpr char SHRPX_OPT_ERRORLOG_SYSLOG[] = "errorlog-syslog"; constexpr char SHRPX_OPT_BACKEND_KEEP_ALIVE_TIMEOUT[] = "backend-keep-alive-timeout"; constexpr char SHRPX_OPT_FRONTEND_HTTP2_WINDOW_BITS[] = "frontend-http2-window-bits"; constexpr char SHRPX_OPT_BACKEND_HTTP2_WINDOW_BITS[] = "backend-http2-window-bits"; constexpr char SHRPX_OPT_FRONTEND_HTTP2_CONNECTION_WINDOW_BITS[] = "frontend-http2-connection-window-bits"; constexpr char SHRPX_OPT_BACKEND_HTTP2_CONNECTION_WINDOW_BITS[] = "backend-http2-connection-window-bits"; constexpr char SHRPX_OPT_FRONTEND_NO_TLS[] = "frontend-no-tls"; constexpr char SHRPX_OPT_BACKEND_NO_TLS[] = "backend-no-tls"; constexpr char SHRPX_OPT_BACKEND_TLS_SNI_FIELD[] = "backend-tls-sni-field"; constexpr char SHRPX_OPT_PID_FILE[] = "pid-file"; constexpr char SHRPX_OPT_USER[] = "user"; constexpr char SHRPX_OPT_SYSLOG_FACILITY[] = "syslog-facility"; constexpr char SHRPX_OPT_BACKLOG[] = "backlog"; constexpr char SHRPX_OPT_CIPHERS[] = "ciphers"; constexpr char SHRPX_OPT_CLIENT[] = "client"; constexpr char SHRPX_OPT_INSECURE[] = "insecure"; constexpr char SHRPX_OPT_CACERT[] = "cacert"; constexpr char SHRPX_OPT_BACKEND_IPV4[] = "backend-ipv4"; constexpr char SHRPX_OPT_BACKEND_IPV6[] = "backend-ipv6"; constexpr char SHRPX_OPT_BACKEND_HTTP_PROXY_URI[] = "backend-http-proxy-uri"; constexpr char SHRPX_OPT_READ_RATE[] = "read-rate"; constexpr char SHRPX_OPT_READ_BURST[] = "read-burst"; constexpr char SHRPX_OPT_WRITE_RATE[] = "write-rate"; constexpr char SHRPX_OPT_WRITE_BURST[] = "write-burst"; constexpr char SHRPX_OPT_WORKER_READ_RATE[] = "worker-read-rate"; constexpr char SHRPX_OPT_WORKER_READ_BURST[] = "worker-read-burst"; constexpr char SHRPX_OPT_WORKER_WRITE_RATE[] = "worker-write-rate"; constexpr char SHRPX_OPT_WORKER_WRITE_BURST[] = "worker-write-burst"; constexpr char SHRPX_OPT_NPN_LIST[] = "npn-list"; constexpr char SHRPX_OPT_TLS_PROTO_LIST[] = "tls-proto-list"; constexpr char SHRPX_OPT_VERIFY_CLIENT[] = "verify-client"; constexpr char SHRPX_OPT_VERIFY_CLIENT_CACERT[] = "verify-client-cacert"; constexpr char SHRPX_OPT_CLIENT_PRIVATE_KEY_FILE[] = "client-private-key-file"; constexpr char SHRPX_OPT_CLIENT_CERT_FILE[] = "client-cert-file"; constexpr char SHRPX_OPT_FRONTEND_HTTP2_DUMP_REQUEST_HEADER[] = "frontend-http2-dump-request-header"; constexpr char SHRPX_OPT_FRONTEND_HTTP2_DUMP_RESPONSE_HEADER[] = "frontend-http2-dump-response-header"; constexpr char SHRPX_OPT_HTTP2_NO_COOKIE_CRUMBLING[] = "http2-no-cookie-crumbling"; constexpr char SHRPX_OPT_FRONTEND_FRAME_DEBUG[] = "frontend-frame-debug"; constexpr char SHRPX_OPT_PADDING[] = "padding"; constexpr char SHRPX_OPT_ALTSVC[] = "altsvc"; constexpr char SHRPX_OPT_ADD_REQUEST_HEADER[] = "add-request-header"; constexpr char SHRPX_OPT_ADD_RESPONSE_HEADER[] = "add-response-header"; constexpr char SHRPX_OPT_WORKER_FRONTEND_CONNECTIONS[] = "worker-frontend-connections"; constexpr char SHRPX_OPT_NO_LOCATION_REWRITE[] = "no-location-rewrite"; constexpr char SHRPX_OPT_NO_HOST_REWRITE[] = "no-host-rewrite"; constexpr char SHRPX_OPT_BACKEND_HTTP1_CONNECTIONS_PER_HOST[] = "backend-http1-connections-per-host"; constexpr char SHRPX_OPT_BACKEND_HTTP1_CONNECTIONS_PER_FRONTEND[] = "backend-http1-connections-per-frontend"; constexpr char SHRPX_OPT_LISTENER_DISABLE_TIMEOUT[] = "listener-disable-timeout"; constexpr char SHRPX_OPT_TLS_TICKET_KEY_FILE[] = "tls-ticket-key-file"; constexpr char SHRPX_OPT_RLIMIT_NOFILE[] = "rlimit-nofile"; constexpr char SHRPX_OPT_BACKEND_REQUEST_BUFFER[] = "backend-request-buffer"; constexpr char SHRPX_OPT_BACKEND_RESPONSE_BUFFER[] = "backend-response-buffer"; constexpr char SHRPX_OPT_NO_SERVER_PUSH[] = "no-server-push"; constexpr char SHRPX_OPT_BACKEND_HTTP2_CONNECTIONS_PER_WORKER[] = "backend-http2-connections-per-worker"; constexpr char SHRPX_OPT_FETCH_OCSP_RESPONSE_FILE[] = "fetch-ocsp-response-file"; constexpr char SHRPX_OPT_OCSP_UPDATE_INTERVAL[] = "ocsp-update-interval"; constexpr char SHRPX_OPT_NO_OCSP[] = "no-ocsp"; constexpr char SHRPX_OPT_HEADER_FIELD_BUFFER[] = "header-field-buffer"; constexpr char SHRPX_OPT_MAX_HEADER_FIELDS[] = "max-header-fields"; constexpr char SHRPX_OPT_INCLUDE[] = "include"; constexpr char SHRPX_OPT_TLS_TICKET_KEY_CIPHER[] = "tls-ticket-key-cipher"; constexpr char SHRPX_OPT_HOST_REWRITE[] = "host-rewrite"; constexpr char SHRPX_OPT_TLS_SESSION_CACHE_MEMCACHED[] = "tls-session-cache-memcached"; constexpr char SHRPX_OPT_TLS_TICKET_KEY_MEMCACHED[] = "tls-ticket-key-memcached"; constexpr char SHRPX_OPT_TLS_TICKET_KEY_MEMCACHED_INTERVAL[] = "tls-ticket-key-memcached-interval"; constexpr char SHRPX_OPT_TLS_TICKET_KEY_MEMCACHED_MAX_RETRY[] = "tls-ticket-key-memcached-max-retry"; constexpr char SHRPX_OPT_TLS_TICKET_KEY_MEMCACHED_MAX_FAIL[] = "tls-ticket-key-memcached-max-fail"; constexpr char SHRPX_OPT_MRUBY_FILE[] = "mruby-file"; constexpr char SHRPX_OPT_ACCEPT_PROXY_PROTOCOL[] = "accept-proxy-protocol"; constexpr char SHRPX_OPT_FASTOPEN[] = "fastopen"; constexpr char SHRPX_OPT_TLS_DYN_REC_WARMUP_THRESHOLD[] = "tls-dyn-rec-warmup-threshold"; constexpr char SHRPX_OPT_TLS_DYN_REC_IDLE_TIMEOUT[] = "tls-dyn-rec-idle-timeout"; constexpr char SHRPX_OPT_ADD_FORWARDED[] = "add-forwarded"; constexpr char SHRPX_OPT_STRIP_INCOMING_FORWARDED[] = "strip-incoming-forwarded"; constexpr static char SHRPX_OPT_FORWARDED_BY[] = "forwarded-by"; constexpr char SHRPX_OPT_FORWARDED_FOR[] = "forwarded-for"; constexpr char SHRPX_OPT_REQUEST_HEADER_FIELD_BUFFER[] = "request-header-field-buffer"; constexpr char SHRPX_OPT_MAX_REQUEST_HEADER_FIELDS[] = "max-request-header-fields"; constexpr char SHRPX_OPT_RESPONSE_HEADER_FIELD_BUFFER[] = "response-header-field-buffer"; constexpr char SHRPX_OPT_MAX_RESPONSE_HEADER_FIELDS[] = "max-response-header-fields"; constexpr char SHRPX_OPT_NO_HTTP2_CIPHER_BLACK_LIST[] = "no-http2-cipher-black-list"; constexpr char SHRPX_OPT_BACKEND_HTTP1_TLS[] = "backend-http1-tls"; constexpr char SHRPX_OPT_TLS_SESSION_CACHE_MEMCACHED_TLS[] = "tls-session-cache-memcached-tls"; constexpr char SHRPX_OPT_TLS_SESSION_CACHE_MEMCACHED_CERT_FILE[] = "tls-session-cache-memcached-cert-file"; constexpr char SHRPX_OPT_TLS_SESSION_CACHE_MEMCACHED_PRIVATE_KEY_FILE[] = "tls-session-cache-memcached-private-key-file"; constexpr char SHRPX_OPT_TLS_SESSION_CACHE_MEMCACHED_ADDRESS_FAMILY[] = "tls-session-cache-memcached-address-family"; constexpr char SHRPX_OPT_TLS_TICKET_KEY_MEMCACHED_TLS[] = "tls-ticket-key-memcached-tls"; constexpr char SHRPX_OPT_TLS_TICKET_KEY_MEMCACHED_CERT_FILE[] = "tls-ticket-key-memcached-cert-file"; constexpr char SHRPX_OPT_TLS_TICKET_KEY_MEMCACHED_PRIVATE_KEY_FILE[] = "tls-ticket-key-memcached-private-key-file"; constexpr char SHRPX_OPT_TLS_TICKET_KEY_MEMCACHED_ADDRESS_FAMILY[] = "tls-ticket-key-memcached-address-family"; constexpr char SHRPX_OPT_BACKEND_ADDRESS_FAMILY[] = "backend-address-family"; constexpr char SHRPX_OPT_FRONTEND_HTTP2_MAX_CONCURRENT_STREAMS[] = "frontend-http2-max-concurrent-streams"; constexpr char SHRPX_OPT_BACKEND_HTTP2_MAX_CONCURRENT_STREAMS[] = "backend-http2-max-concurrent-streams"; constexpr size_t SHRPX_OBFUSCATED_NODE_LENGTH = 8; enum shrpx_proto { PROTO_NONE, PROTO_HTTP1, PROTO_HTTP2, PROTO_MEMCACHED }; enum shrpx_forwarded_param { FORWARDED_NONE = 0, FORWARDED_BY = 0x1, FORWARDED_FOR = 0x2, FORWARDED_HOST = 0x4, FORWARDED_PROTO = 0x8, }; enum shrpx_forwarded_node_type { FORWARDED_NODE_OBFUSCATED, FORWARDED_NODE_IP, }; // Used inside function if it has to return const reference to empty // string without defining empty string each time. extern std::string EMPTY_STRING; struct AltSvc { AltSvc() : port(0) {} std::string protocol_id, host, origin, service; uint16_t port; }; struct UpstreamAddr { // The frontend address (e.g., FQDN, hostname, IP address). If // |host_unix| is true, this is UNIX domain socket path. ImmutableString host; // For TCP socket, this is :. For IPv6 address, // address is surrounded by square brackets. If socket is UNIX // domain socket, this is "localhost". ImmutableString hostport; // frontend port. 0 if |host_unix| is true. uint16_t port; // For TCP socket, this is either AF_INET or AF_INET6. For UNIX // domain socket, this is 0. int family; // true if |host| contains UNIX domain socket path. bool host_unix; int fd; }; struct TLSSessionCache { // ASN1 representation of SSL_SESSION object. See // i2d_SSL_SESSION(3SSL). std::vector session_data; // The last time stamp when this cache entry is created or updated. ev_tstamp last_updated; }; struct DownstreamAddrConfig { Address addr; // backend address. If |host_unix| is true, this is UNIX domain // socket path. ImmutableString host; ImmutableString hostport; // backend port. 0 if |host_unix| is true. uint16_t port; // true if |host| contains UNIX domain socket path. bool host_unix; }; struct DownstreamAddrGroupConfig { DownstreamAddrGroupConfig(const StringRef &pattern) : pattern(pattern.c_str(), pattern.size()) {} ImmutableString pattern; std::vector addrs; // Application protocol used in this group shrpx_proto proto; }; struct TicketKey { const EVP_CIPHER *cipher; const EVP_MD *hmac; size_t hmac_keylen; struct { // name of this ticket configuration std::array name; // encryption key for |cipher| std::array enc_key; // hmac key for |hmac| std::array hmac_key; } data; }; struct TicketKeys { ~TicketKeys(); std::vector keys; }; struct HttpProxy { Address addr; // host in http proxy URI std::string host; // userinfo in http proxy URI, not percent-encoded form std::string userinfo; // port in http proxy URI uint16_t port; }; struct TLSConfig { // RFC 5077 Session ticket related configurations struct { struct { Address addr; uint16_t port; // Hostname of memcached server. This is also used as SNI field // if TLS is enabled. ImmutableString host; // Client private key and certificate for authentication ImmutableString private_key_file; ImmutableString cert_file; ev_tstamp interval; // Maximum number of retries when getting TLS ticket key from // mamcached, due to network error. size_t max_retry; // Maximum number of consecutive error from memcached, when this // limit reached, TLS ticket is disabled. size_t max_fail; // Address family of memcached connection. One of either // AF_INET, AF_INET6 or AF_UNSPEC. int family; bool tls; } memcached; std::vector files; const EVP_CIPHER *cipher; // true if --tls-ticket-key-cipher is used bool cipher_given; } ticket; // Session cache related configurations struct { struct { Address addr; uint16_t port; // Hostname of memcached server. This is also used as SNI field // if TLS is enabled. ImmutableString host; // Client private key and certificate for authentication ImmutableString private_key_file; ImmutableString cert_file; // Address family of memcached connection. One of either // AF_INET, AF_INET6 or AF_UNSPEC. int family; bool tls; } memcached; } session_cache; // Dynamic record sizing configurations struct { size_t warmup_threshold; ev_tstamp idle_timeout; } dyn_rec; // OCSP realted configurations struct { ev_tstamp update_interval; ImmutableString fetch_ocsp_response_file; bool disabled; } ocsp; // Client verification configurations struct { // Path to file containing CA certificate solely used for client // certificate validation ImmutableString cacert; bool enabled; } client_verify; // Client private key and certificate used in backend connections. struct { ImmutableString private_key_file; ImmutableString cert_file; } client; // The list of (private key file, certificate file) pair std::vector> subcerts; std::vector alpn_prefs; // list of supported NPN/ALPN protocol strings in the order of // preference. std::vector npn_list; // list of supported SSL/TLS protocol strings. std::vector tls_proto_list; // Bit mask to disable SSL/TLS protocol versions. This will be // passed to SSL_CTX_set_options(). long int tls_proto_mask; std::string backend_sni_name; std::chrono::seconds session_timeout; ImmutableString private_key_file; ImmutableString private_key_passwd; ImmutableString cert_file; ImmutableString dh_param_file; ImmutableString ciphers; ImmutableString cacert; bool insecure; bool no_http2_cipher_black_list; }; struct HttpConfig { struct { // obfuscated value used in "by" parameter of Forwarded header // field. This is only used when user defined static obfuscated // string is provided. std::string by_obfuscated; // bitwise-OR of one or more of shrpx_forwarded_param values. uint32_t params; // type of value recorded in "by" parameter of Forwarded header // field. shrpx_forwarded_node_type by_node_type; // type of value recorded in "for" parameter of Forwarded header // field. shrpx_forwarded_node_type for_node_type; bool strip_incoming; } forwarded; struct { bool add; bool strip_incoming; } xff; std::vector altsvcs; Headers add_request_headers; Headers add_response_headers; StringRef server_name; size_t request_header_field_buffer; size_t max_request_header_fields; size_t response_header_field_buffer; size_t max_response_header_fields; bool no_via; bool no_location_rewrite; bool no_host_rewrite; }; struct Http2Config { struct { struct { struct { ImmutableString request_header_file; ImmutableString response_header_file; FILE *request_header; FILE *response_header; } dump; bool frame_debug; } debug; nghttp2_option *option; nghttp2_session_callbacks *callbacks; size_t window_bits; size_t connection_window_bits; size_t max_concurrent_streams; } upstream; struct { nghttp2_option *option; nghttp2_session_callbacks *callbacks; size_t window_bits; size_t connection_window_bits; size_t max_concurrent_streams; } downstream; struct { ev_tstamp stream_read; ev_tstamp stream_write; } timeout; bool no_cookie_crumbling; bool no_server_push; }; struct LoggingConfig { struct { std::vector format; ImmutableString file; // Send accesslog to syslog, ignoring accesslog_file. bool syslog; } access; struct { ImmutableString file; // Send errorlog to syslog, ignoring errorlog_file. bool syslog; } error; int syslog_facility; }; struct RateLimitConfig { size_t rate; size_t burst; }; struct ConnectionConfig { struct { struct { ev_tstamp sleep; } timeout; // address of frontend acceptors std::vector addrs; int backlog; // TCP fastopen. If this is positive, it is passed to // setsockopt() along with TCP_FASTOPEN. int fastopen; } listener; struct { struct { ev_tstamp http2_read; ev_tstamp read; ev_tstamp write; } timeout; struct { RateLimitConfig read; RateLimitConfig write; } ratelimit; size_t worker_connections; bool no_tls; bool accept_proxy_protocol; } upstream; struct { struct { ev_tstamp read; ev_tstamp write; ev_tstamp idle_read; } timeout; std::vector addr_groups; // The index of catch-all group in downstream_addr_groups. size_t addr_group_catch_all; size_t connections_per_host; size_t connections_per_frontend; size_t request_buffer_size; size_t response_buffer_size; // Address family of backend connection. One of either AF_INET, // AF_INET6 or AF_UNSPEC. This is ignored if backend connection // is made via Unix domain socket. int family; bool no_tls; bool http1_tls; } downstream; }; struct Config { Router router; HttpProxy downstream_http_proxy; HttpConfig http; Http2Config http2; TLSConfig tls; LoggingConfig logging; ConnectionConfig conn; ImmutableString pid_file; ImmutableString conf_path; ImmutableString user; ImmutableString mruby_file; char **original_argv; char **argv; char *cwd; size_t num_worker; size_t padding; size_t rlimit_nofile; int argc; uid_t uid; gid_t gid; pid_t pid; bool verbose; bool daemon; bool http2_proxy; bool http2_bridge; bool client_proxy; bool client; // true if --client or --client-proxy are enabled. bool client_mode; }; const Config *get_config(); Config *mod_config(); void create_config(); // Parses option name |opt| and value |optarg|. The results are // stored into statically allocated Config object. This function // returns 0 if it succeeds, or -1. The |included_set| contains the // all paths already included while processing this configuration, to // avoid loop in --include option. int parse_config(const char *opt, const char *optarg, std::set &included_set); // Loads configurations from |filename| and stores them in statically // allocated Config object. This function returns 0 if it succeeds, or // -1. See parse_config() for |include_set|. int load_config(const char *filename, std::set &include_set); // Read passwd from |filename| std::string read_passwd_from_file(const char *filename); // Parses header field in |optarg|. We expect header field is formed // like "NAME: VALUE". We require that NAME is non empty string. ":" // is allowed at the start of the NAME, but NAME == ":" is not // allowed. This function returns pair of NAME and VALUE. Headers::value_type parse_header(const char *optarg); std::vector parse_log_format(const char *optarg); // Returns string for syslog |facility|. const char *str_syslog_facility(int facility); // Returns integer value of syslog |facility| string. int int_syslog_facility(const char *strfacility); FILE *open_file_for_write(const char *filename); // Reads TLS ticket key file in |files| and returns TicketKey which // stores read key data. The given |cipher| and |hmac| determine the // expected file size. This function returns TicketKey if it // succeeds, or nullptr. std::unique_ptr read_tls_ticket_key_file(const std::vector &files, const EVP_CIPHER *cipher, const EVP_MD *hmac); } // namespace shrpx #endif // SHRPX_CONFIG_H