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shrpx_config.h
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/*
* 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 <sys/types.h>
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif // HAVE_SYS_SOCKET_H
#include <sys/un.h>
#ifdef HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif // HAVE_NETINET_IN_H
#ifdef HAVE_ARPA_INET_H
# include <arpa/inet.h>
#endif // HAVE_ARPA_INET_H
#include <cinttypes>
#include <cstdio>
#include <vector>
#include <memory>
#include <set>
#include <unordered_map>
#include <openssl/ssl.h>
#include <ev.h>
#include <nghttp2/nghttp2.h>
#include "shrpx_log.h"
#include "shrpx_router.h"
#if ENABLE_HTTP3
# include "shrpx_quic.h"
#endif // ENABLE_HTTP3
#include "template.h"
#include "http2.h"
#include "network.h"
#include "allocator.h"
using namespace nghttp2;
namespace shrpx {
struct LogFragment;
class ConnectBlocker;
class Http2Session;
namespace tls {
class CertLookupTree;
} // namespace tls
constexpr auto SHRPX_OPT_PRIVATE_KEY_FILE =
StringRef::from_lit("private-key-file");
constexpr auto SHRPX_OPT_PRIVATE_KEY_PASSWD_FILE =
StringRef::from_lit("private-key-passwd-file");
constexpr auto SHRPX_OPT_CERTIFICATE_FILE =
StringRef::from_lit("certificate-file");
constexpr auto SHRPX_OPT_DH_PARAM_FILE = StringRef::from_lit("dh-param-file");
constexpr auto SHRPX_OPT_SUBCERT = StringRef::from_lit("subcert");
constexpr auto SHRPX_OPT_BACKEND = StringRef::from_lit("backend");
constexpr auto SHRPX_OPT_FRONTEND = StringRef::from_lit("frontend");
constexpr auto SHRPX_OPT_WORKERS = StringRef::from_lit("workers");
constexpr auto SHRPX_OPT_HTTP2_MAX_CONCURRENT_STREAMS =
StringRef::from_lit("http2-max-concurrent-streams");
constexpr auto SHRPX_OPT_LOG_LEVEL = StringRef::from_lit("log-level");
constexpr auto SHRPX_OPT_DAEMON = StringRef::from_lit("daemon");
constexpr auto SHRPX_OPT_HTTP2_PROXY = StringRef::from_lit("http2-proxy");
constexpr auto SHRPX_OPT_HTTP2_BRIDGE = StringRef::from_lit("http2-bridge");
constexpr auto SHRPX_OPT_CLIENT_PROXY = StringRef::from_lit("client-proxy");
constexpr auto SHRPX_OPT_ADD_X_FORWARDED_FOR =
StringRef::from_lit("add-x-forwarded-for");
constexpr auto SHRPX_OPT_STRIP_INCOMING_X_FORWARDED_FOR =
StringRef::from_lit("strip-incoming-x-forwarded-for");
constexpr auto SHRPX_OPT_NO_VIA = StringRef::from_lit("no-via");
constexpr auto SHRPX_OPT_FRONTEND_HTTP2_READ_TIMEOUT =
StringRef::from_lit("frontend-http2-read-timeout");
constexpr auto SHRPX_OPT_FRONTEND_READ_TIMEOUT =
StringRef::from_lit("frontend-read-timeout");
constexpr auto SHRPX_OPT_FRONTEND_WRITE_TIMEOUT =
StringRef::from_lit("frontend-write-timeout");
constexpr auto SHRPX_OPT_BACKEND_READ_TIMEOUT =
StringRef::from_lit("backend-read-timeout");
constexpr auto SHRPX_OPT_BACKEND_WRITE_TIMEOUT =
StringRef::from_lit("backend-write-timeout");
constexpr auto SHRPX_OPT_STREAM_READ_TIMEOUT =
StringRef::from_lit("stream-read-timeout");
constexpr auto SHRPX_OPT_STREAM_WRITE_TIMEOUT =
StringRef::from_lit("stream-write-timeout");
constexpr auto SHRPX_OPT_ACCESSLOG_FILE = StringRef::from_lit("accesslog-file");
constexpr auto SHRPX_OPT_ACCESSLOG_SYSLOG =
StringRef::from_lit("accesslog-syslog");
constexpr auto SHRPX_OPT_ACCESSLOG_FORMAT =
StringRef::from_lit("accesslog-format");
constexpr auto SHRPX_OPT_ERRORLOG_FILE = StringRef::from_lit("errorlog-file");
constexpr auto SHRPX_OPT_ERRORLOG_SYSLOG =
StringRef::from_lit("errorlog-syslog");
constexpr auto SHRPX_OPT_BACKEND_KEEP_ALIVE_TIMEOUT =
StringRef::from_lit("backend-keep-alive-timeout");
constexpr auto SHRPX_OPT_FRONTEND_HTTP2_WINDOW_BITS =
StringRef::from_lit("frontend-http2-window-bits");
constexpr auto SHRPX_OPT_BACKEND_HTTP2_WINDOW_BITS =
StringRef::from_lit("backend-http2-window-bits");
constexpr auto SHRPX_OPT_FRONTEND_HTTP2_CONNECTION_WINDOW_BITS =
StringRef::from_lit("frontend-http2-connection-window-bits");
constexpr auto SHRPX_OPT_BACKEND_HTTP2_CONNECTION_WINDOW_BITS =
StringRef::from_lit("backend-http2-connection-window-bits");
constexpr auto SHRPX_OPT_FRONTEND_NO_TLS =
StringRef::from_lit("frontend-no-tls");
constexpr auto SHRPX_OPT_BACKEND_NO_TLS = StringRef::from_lit("backend-no-tls");
constexpr auto SHRPX_OPT_BACKEND_TLS_SNI_FIELD =
StringRef::from_lit("backend-tls-sni-field");
constexpr auto SHRPX_OPT_PID_FILE = StringRef::from_lit("pid-file");
constexpr auto SHRPX_OPT_USER = StringRef::from_lit("user");
constexpr auto SHRPX_OPT_SYSLOG_FACILITY =
StringRef::from_lit("syslog-facility");
constexpr auto SHRPX_OPT_BACKLOG = StringRef::from_lit("backlog");
constexpr auto SHRPX_OPT_CIPHERS = StringRef::from_lit("ciphers");
constexpr auto SHRPX_OPT_CLIENT = StringRef::from_lit("client");
constexpr auto SHRPX_OPT_INSECURE = StringRef::from_lit("insecure");
constexpr auto SHRPX_OPT_CACERT = StringRef::from_lit("cacert");
constexpr auto SHRPX_OPT_BACKEND_IPV4 = StringRef::from_lit("backend-ipv4");
constexpr auto SHRPX_OPT_BACKEND_IPV6 = StringRef::from_lit("backend-ipv6");
constexpr auto SHRPX_OPT_BACKEND_HTTP_PROXY_URI =
StringRef::from_lit("backend-http-proxy-uri");
constexpr auto SHRPX_OPT_READ_RATE = StringRef::from_lit("read-rate");
constexpr auto SHRPX_OPT_READ_BURST = StringRef::from_lit("read-burst");
constexpr auto SHRPX_OPT_WRITE_RATE = StringRef::from_lit("write-rate");
constexpr auto SHRPX_OPT_WRITE_BURST = StringRef::from_lit("write-burst");
constexpr auto SHRPX_OPT_WORKER_READ_RATE =
StringRef::from_lit("worker-read-rate");
constexpr auto SHRPX_OPT_WORKER_READ_BURST =
StringRef::from_lit("worker-read-burst");
constexpr auto SHRPX_OPT_WORKER_WRITE_RATE =
StringRef::from_lit("worker-write-rate");
constexpr auto SHRPX_OPT_WORKER_WRITE_BURST =
StringRef::from_lit("worker-write-burst");
constexpr auto SHRPX_OPT_NPN_LIST = StringRef::from_lit("npn-list");
constexpr auto SHRPX_OPT_TLS_PROTO_LIST = StringRef::from_lit("tls-proto-list");
constexpr auto SHRPX_OPT_VERIFY_CLIENT = StringRef::from_lit("verify-client");
constexpr auto SHRPX_OPT_VERIFY_CLIENT_CACERT =
StringRef::from_lit("verify-client-cacert");
constexpr auto SHRPX_OPT_CLIENT_PRIVATE_KEY_FILE =
StringRef::from_lit("client-private-key-file");
constexpr auto SHRPX_OPT_CLIENT_CERT_FILE =
StringRef::from_lit("client-cert-file");
constexpr auto SHRPX_OPT_FRONTEND_HTTP2_DUMP_REQUEST_HEADER =
StringRef::from_lit("frontend-http2-dump-request-header");
constexpr auto SHRPX_OPT_FRONTEND_HTTP2_DUMP_RESPONSE_HEADER =
StringRef::from_lit("frontend-http2-dump-response-header");
constexpr auto SHRPX_OPT_HTTP2_NO_COOKIE_CRUMBLING =
StringRef::from_lit("http2-no-cookie-crumbling");
constexpr auto SHRPX_OPT_FRONTEND_FRAME_DEBUG =
StringRef::from_lit("frontend-frame-debug");
constexpr auto SHRPX_OPT_PADDING = StringRef::from_lit("padding");
constexpr auto SHRPX_OPT_ALTSVC = StringRef::from_lit("altsvc");
constexpr auto SHRPX_OPT_ADD_REQUEST_HEADER =
StringRef::from_lit("add-request-header");
constexpr auto SHRPX_OPT_ADD_RESPONSE_HEADER =
StringRef::from_lit("add-response-header");
constexpr auto SHRPX_OPT_WORKER_FRONTEND_CONNECTIONS =
StringRef::from_lit("worker-frontend-connections");
constexpr auto SHRPX_OPT_NO_LOCATION_REWRITE =
StringRef::from_lit("no-location-rewrite");
constexpr auto SHRPX_OPT_NO_HOST_REWRITE =
StringRef::from_lit("no-host-rewrite");
constexpr auto SHRPX_OPT_BACKEND_HTTP1_CONNECTIONS_PER_HOST =
StringRef::from_lit("backend-http1-connections-per-host");
constexpr auto SHRPX_OPT_BACKEND_HTTP1_CONNECTIONS_PER_FRONTEND =
StringRef::from_lit("backend-http1-connections-per-frontend");
constexpr auto SHRPX_OPT_LISTENER_DISABLE_TIMEOUT =
StringRef::from_lit("listener-disable-timeout");
constexpr auto SHRPX_OPT_TLS_TICKET_KEY_FILE =
StringRef::from_lit("tls-ticket-key-file");
constexpr auto SHRPX_OPT_RLIMIT_NOFILE = StringRef::from_lit("rlimit-nofile");
constexpr auto SHRPX_OPT_BACKEND_REQUEST_BUFFER =
StringRef::from_lit("backend-request-buffer");
constexpr auto SHRPX_OPT_BACKEND_RESPONSE_BUFFER =
StringRef::from_lit("backend-response-buffer");
constexpr auto SHRPX_OPT_NO_SERVER_PUSH = StringRef::from_lit("no-server-push");
constexpr auto SHRPX_OPT_BACKEND_HTTP2_CONNECTIONS_PER_WORKER =
StringRef::from_lit("backend-http2-connections-per-worker");
constexpr auto SHRPX_OPT_FETCH_OCSP_RESPONSE_FILE =
StringRef::from_lit("fetch-ocsp-response-file");
constexpr auto SHRPX_OPT_OCSP_UPDATE_INTERVAL =
StringRef::from_lit("ocsp-update-interval");
constexpr auto SHRPX_OPT_NO_OCSP = StringRef::from_lit("no-ocsp");
constexpr auto SHRPX_OPT_HEADER_FIELD_BUFFER =
StringRef::from_lit("header-field-buffer");
constexpr auto SHRPX_OPT_MAX_HEADER_FIELDS =
StringRef::from_lit("max-header-fields");
constexpr auto SHRPX_OPT_INCLUDE = StringRef::from_lit("include");
constexpr auto SHRPX_OPT_TLS_TICKET_KEY_CIPHER =
StringRef::from_lit("tls-ticket-key-cipher");
constexpr auto SHRPX_OPT_HOST_REWRITE = StringRef::from_lit("host-rewrite");
constexpr auto SHRPX_OPT_TLS_SESSION_CACHE_MEMCACHED =
StringRef::from_lit("tls-session-cache-memcached");
constexpr auto SHRPX_OPT_TLS_TICKET_KEY_MEMCACHED =
StringRef::from_lit("tls-ticket-key-memcached");
constexpr auto SHRPX_OPT_TLS_TICKET_KEY_MEMCACHED_INTERVAL =
StringRef::from_lit("tls-ticket-key-memcached-interval");
constexpr auto SHRPX_OPT_TLS_TICKET_KEY_MEMCACHED_MAX_RETRY =
StringRef::from_lit("tls-ticket-key-memcached-max-retry");
constexpr auto SHRPX_OPT_TLS_TICKET_KEY_MEMCACHED_MAX_FAIL =
StringRef::from_lit("tls-ticket-key-memcached-max-fail");
constexpr auto SHRPX_OPT_MRUBY_FILE = StringRef::from_lit("mruby-file");
constexpr auto SHRPX_OPT_ACCEPT_PROXY_PROTOCOL =
StringRef::from_lit("accept-proxy-protocol");
constexpr auto SHRPX_OPT_FASTOPEN = StringRef::from_lit("fastopen");
constexpr auto SHRPX_OPT_TLS_DYN_REC_WARMUP_THRESHOLD =
StringRef::from_lit("tls-dyn-rec-warmup-threshold");
constexpr auto SHRPX_OPT_TLS_DYN_REC_IDLE_TIMEOUT =
StringRef::from_lit("tls-dyn-rec-idle-timeout");
constexpr auto SHRPX_OPT_ADD_FORWARDED = StringRef::from_lit("add-forwarded");
constexpr auto SHRPX_OPT_STRIP_INCOMING_FORWARDED =
StringRef::from_lit("strip-incoming-forwarded");
constexpr auto SHRPX_OPT_FORWARDED_BY = StringRef::from_lit("forwarded-by");
constexpr auto SHRPX_OPT_FORWARDED_FOR = StringRef::from_lit("forwarded-for");
constexpr auto SHRPX_OPT_REQUEST_HEADER_FIELD_BUFFER =
StringRef::from_lit("request-header-field-buffer");
constexpr auto SHRPX_OPT_MAX_REQUEST_HEADER_FIELDS =
StringRef::from_lit("max-request-header-fields");
constexpr auto SHRPX_OPT_RESPONSE_HEADER_FIELD_BUFFER =
StringRef::from_lit("response-header-field-buffer");
constexpr auto SHRPX_OPT_MAX_RESPONSE_HEADER_FIELDS =
StringRef::from_lit("max-response-header-fields");
constexpr auto SHRPX_OPT_NO_HTTP2_CIPHER_BLOCK_LIST =
StringRef::from_lit("no-http2-cipher-block-list");
constexpr auto SHRPX_OPT_NO_HTTP2_CIPHER_BLACK_LIST =
StringRef::from_lit("no-http2-cipher-black-list");
constexpr auto SHRPX_OPT_BACKEND_HTTP1_TLS =
StringRef::from_lit("backend-http1-tls");
constexpr auto SHRPX_OPT_TLS_SESSION_CACHE_MEMCACHED_TLS =
StringRef::from_lit("tls-session-cache-memcached-tls");
constexpr auto SHRPX_OPT_TLS_SESSION_CACHE_MEMCACHED_CERT_FILE =
StringRef::from_lit("tls-session-cache-memcached-cert-file");
constexpr auto SHRPX_OPT_TLS_SESSION_CACHE_MEMCACHED_PRIVATE_KEY_FILE =
StringRef::from_lit("tls-session-cache-memcached-private-key-file");
constexpr auto SHRPX_OPT_TLS_SESSION_CACHE_MEMCACHED_ADDRESS_FAMILY =
StringRef::from_lit("tls-session-cache-memcached-address-family");
constexpr auto SHRPX_OPT_TLS_TICKET_KEY_MEMCACHED_TLS =
StringRef::from_lit("tls-ticket-key-memcached-tls");
constexpr auto SHRPX_OPT_TLS_TICKET_KEY_MEMCACHED_CERT_FILE =
StringRef::from_lit("tls-ticket-key-memcached-cert-file");
constexpr auto SHRPX_OPT_TLS_TICKET_KEY_MEMCACHED_PRIVATE_KEY_FILE =
StringRef::from_lit("tls-ticket-key-memcached-private-key-file");
constexpr auto SHRPX_OPT_TLS_TICKET_KEY_MEMCACHED_ADDRESS_FAMILY =
StringRef::from_lit("tls-ticket-key-memcached-address-family");
constexpr auto SHRPX_OPT_BACKEND_ADDRESS_FAMILY =
StringRef::from_lit("backend-address-family");
constexpr auto SHRPX_OPT_FRONTEND_HTTP2_MAX_CONCURRENT_STREAMS =
StringRef::from_lit("frontend-http2-max-concurrent-streams");
constexpr auto SHRPX_OPT_BACKEND_HTTP2_MAX_CONCURRENT_STREAMS =
StringRef::from_lit("backend-http2-max-concurrent-streams");
constexpr auto SHRPX_OPT_BACKEND_CONNECTIONS_PER_FRONTEND =
StringRef::from_lit("backend-connections-per-frontend");
constexpr auto SHRPX_OPT_BACKEND_TLS = StringRef::from_lit("backend-tls");
constexpr auto SHRPX_OPT_BACKEND_CONNECTIONS_PER_HOST =
StringRef::from_lit("backend-connections-per-host");
constexpr auto SHRPX_OPT_ERROR_PAGE = StringRef::from_lit("error-page");
constexpr auto SHRPX_OPT_NO_KQUEUE = StringRef::from_lit("no-kqueue");
constexpr auto SHRPX_OPT_FRONTEND_HTTP2_SETTINGS_TIMEOUT =
StringRef::from_lit("frontend-http2-settings-timeout");
constexpr auto SHRPX_OPT_BACKEND_HTTP2_SETTINGS_TIMEOUT =
StringRef::from_lit("backend-http2-settings-timeout");
constexpr auto SHRPX_OPT_API_MAX_REQUEST_BODY =
StringRef::from_lit("api-max-request-body");
constexpr auto SHRPX_OPT_BACKEND_MAX_BACKOFF =
StringRef::from_lit("backend-max-backoff");
constexpr auto SHRPX_OPT_SERVER_NAME = StringRef::from_lit("server-name");
constexpr auto SHRPX_OPT_NO_SERVER_REWRITE =
StringRef::from_lit("no-server-rewrite");
constexpr auto SHRPX_OPT_FRONTEND_HTTP2_OPTIMIZE_WRITE_BUFFER_SIZE =
StringRef::from_lit("frontend-http2-optimize-write-buffer-size");
constexpr auto SHRPX_OPT_FRONTEND_HTTP2_OPTIMIZE_WINDOW_SIZE =
StringRef::from_lit("frontend-http2-optimize-window-size");
constexpr auto SHRPX_OPT_FRONTEND_HTTP2_WINDOW_SIZE =
StringRef::from_lit("frontend-http2-window-size");
constexpr auto SHRPX_OPT_FRONTEND_HTTP2_CONNECTION_WINDOW_SIZE =
StringRef::from_lit("frontend-http2-connection-window-size");
constexpr auto SHRPX_OPT_BACKEND_HTTP2_WINDOW_SIZE =
StringRef::from_lit("backend-http2-window-size");
constexpr auto SHRPX_OPT_BACKEND_HTTP2_CONNECTION_WINDOW_SIZE =
StringRef::from_lit("backend-http2-connection-window-size");
constexpr auto SHRPX_OPT_FRONTEND_HTTP2_ENCODER_DYNAMIC_TABLE_SIZE =
StringRef::from_lit("frontend-http2-encoder-dynamic-table-size");
constexpr auto SHRPX_OPT_FRONTEND_HTTP2_DECODER_DYNAMIC_TABLE_SIZE =
StringRef::from_lit("frontend-http2-decoder-dynamic-table-size");
constexpr auto SHRPX_OPT_BACKEND_HTTP2_ENCODER_DYNAMIC_TABLE_SIZE =
StringRef::from_lit("backend-http2-encoder-dynamic-table-size");
constexpr auto SHRPX_OPT_BACKEND_HTTP2_DECODER_DYNAMIC_TABLE_SIZE =
StringRef::from_lit("backend-http2-decoder-dynamic-table-size");
constexpr auto SHRPX_OPT_ECDH_CURVES = StringRef::from_lit("ecdh-curves");
constexpr auto SHRPX_OPT_TLS_SCT_DIR = StringRef::from_lit("tls-sct-dir");
constexpr auto SHRPX_OPT_BACKEND_CONNECT_TIMEOUT =
StringRef::from_lit("backend-connect-timeout");
constexpr auto SHRPX_OPT_DNS_CACHE_TIMEOUT =
StringRef::from_lit("dns-cache-timeout");
constexpr auto SHRPX_OPT_DNS_LOOKUP_TIMEOUT =
StringRef::from_lit("dns-lookup-timeout");
constexpr auto SHRPX_OPT_DNS_MAX_TRY = StringRef::from_lit("dns-max-try");
constexpr auto SHRPX_OPT_FRONTEND_KEEP_ALIVE_TIMEOUT =
StringRef::from_lit("frontend-keep-alive-timeout");
constexpr auto SHRPX_OPT_PSK_SECRETS = StringRef::from_lit("psk-secrets");
constexpr auto SHRPX_OPT_CLIENT_PSK_SECRETS =
StringRef::from_lit("client-psk-secrets");
constexpr auto SHRPX_OPT_CLIENT_NO_HTTP2_CIPHER_BLOCK_LIST =
StringRef::from_lit("client-no-http2-cipher-block-list");
constexpr auto SHRPX_OPT_CLIENT_NO_HTTP2_CIPHER_BLACK_LIST =
StringRef::from_lit("client-no-http2-cipher-black-list");
constexpr auto SHRPX_OPT_CLIENT_CIPHERS = StringRef::from_lit("client-ciphers");
constexpr auto SHRPX_OPT_ACCESSLOG_WRITE_EARLY =
StringRef::from_lit("accesslog-write-early");
constexpr auto SHRPX_OPT_TLS_MIN_PROTO_VERSION =
StringRef::from_lit("tls-min-proto-version");
constexpr auto SHRPX_OPT_TLS_MAX_PROTO_VERSION =
StringRef::from_lit("tls-max-proto-version");
constexpr auto SHRPX_OPT_REDIRECT_HTTPS_PORT =
StringRef::from_lit("redirect-https-port");
constexpr auto SHRPX_OPT_FRONTEND_MAX_REQUESTS =
StringRef::from_lit("frontend-max-requests");
constexpr auto SHRPX_OPT_SINGLE_THREAD = StringRef::from_lit("single-thread");
constexpr auto SHRPX_OPT_SINGLE_PROCESS = StringRef::from_lit("single-process");
constexpr auto SHRPX_OPT_NO_ADD_X_FORWARDED_PROTO =
StringRef::from_lit("no-add-x-forwarded-proto");
constexpr auto SHRPX_OPT_NO_STRIP_INCOMING_X_FORWARDED_PROTO =
StringRef::from_lit("no-strip-incoming-x-forwarded-proto");
constexpr auto SHRPX_OPT_OCSP_STARTUP = StringRef::from_lit("ocsp-startup");
constexpr auto SHRPX_OPT_NO_VERIFY_OCSP = StringRef::from_lit("no-verify-ocsp");
constexpr auto SHRPX_OPT_VERIFY_CLIENT_TOLERATE_EXPIRED =
StringRef::from_lit("verify-client-tolerate-expired");
constexpr auto SHRPX_OPT_IGNORE_PER_PATTERN_MRUBY_ERROR =
StringRef::from_lit("ignore-per-pattern-mruby-error");
constexpr auto SHRPX_OPT_TLS_NO_POSTPONE_EARLY_DATA =
StringRef::from_lit("tls-no-postpone-early-data");
constexpr auto SHRPX_OPT_TLS_MAX_EARLY_DATA =
StringRef::from_lit("tls-max-early-data");
constexpr auto SHRPX_OPT_TLS13_CIPHERS = StringRef::from_lit("tls13-ciphers");
constexpr auto SHRPX_OPT_TLS13_CLIENT_CIPHERS =
StringRef::from_lit("tls13-client-ciphers");
constexpr auto SHRPX_OPT_NO_STRIP_INCOMING_EARLY_DATA =
StringRef::from_lit("no-strip-incoming-early-data");
constexpr auto SHRPX_OPT_QUIC_BPF_PROGRAM_FILE =
StringRef::from_lit("quic-bpf-program-file");
constexpr auto SHRPX_OPT_NO_QUIC_BPF = StringRef::from_lit("no-quic-bpf");
constexpr auto SHRPX_OPT_HTTP2_ALTSVC = StringRef::from_lit("http2-altsvc");
constexpr auto SHRPX_OPT_FRONTEND_HTTP3_READ_TIMEOUT =
StringRef::from_lit("frontend-http3-read-timeout");
constexpr auto SHRPX_OPT_FRONTEND_QUIC_IDLE_TIMEOUT =
StringRef::from_lit("frontend-quic-idle-timeout");
constexpr auto SHRPX_OPT_FRONTEND_QUIC_DEBUG_LOG =
StringRef::from_lit("frontend-quic-debug-log");
constexpr auto SHRPX_OPT_FRONTEND_HTTP3_WINDOW_SIZE =
StringRef::from_lit("frontend-http3-window-size");
constexpr auto SHRPX_OPT_FRONTEND_HTTP3_CONNECTION_WINDOW_SIZE =
StringRef::from_lit("frontend-http3-connection-window-size");
constexpr auto SHRPX_OPT_FRONTEND_HTTP3_MAX_WINDOW_SIZE =
StringRef::from_lit("frontend-http3-max-window-size");
constexpr auto SHRPX_OPT_FRONTEND_HTTP3_MAX_CONNECTION_WINDOW_SIZE =
StringRef::from_lit("frontend-http3-max-connection-window-size");
constexpr auto SHRPX_OPT_FRONTEND_HTTP3_MAX_CONCURRENT_STREAMS =
StringRef::from_lit("frontend-http3-max-concurrent-streams");
constexpr auto SHRPX_OPT_FRONTEND_QUIC_EARLY_DATA =
StringRef::from_lit("frontend-quic-early-data");
constexpr auto SHRPX_OPT_FRONTEND_QUIC_QLOG_DIR =
StringRef::from_lit("frontend-quic-qlog-dir");
constexpr auto SHRPX_OPT_FRONTEND_QUIC_REQUIRE_TOKEN =
StringRef::from_lit("frontend-quic-require-token");
constexpr auto SHRPX_OPT_FRONTEND_QUIC_CONGESTION_CONTROLLER =
StringRef::from_lit("frontend-quic-congestion-controller");
constexpr auto SHRPX_OPT_QUIC_SERVER_ID = StringRef::from_lit("quic-server-id");
constexpr auto SHRPX_OPT_FRONTEND_QUIC_SECRET_FILE =
StringRef::from_lit("frontend-quic-secret-file");
constexpr auto SHRPX_OPT_RLIMIT_MEMLOCK = StringRef::from_lit("rlimit-memlock");
constexpr auto SHRPX_OPT_MAX_WORKER_PROCESSES =
StringRef::from_lit("max-worker-processes");
constexpr auto SHRPX_OPT_WORKER_PROCESS_GRACE_SHUTDOWN_PERIOD =
StringRef::from_lit("worker-process-grace-shutdown-period");
constexpr auto SHRPX_OPT_FRONTEND_QUIC_INITIAL_RTT =
StringRef::from_lit("frontend-quic-initial-rtt");
constexpr auto SHRPX_OPT_REQUIRE_HTTP_SCHEME =
StringRef::from_lit("require-http-scheme");
constexpr auto SHRPX_OPT_TLS_KTLS = StringRef::from_lit("tls-ktls");
constexpr auto SHRPX_OPT_ALPN_LIST = StringRef::from_lit("alpn-list");
constexpr auto SHRPX_OPT_FRONTEND_HEADER_TIMEOUT =
StringRef::from_lit("frontend-header-timeout");
constexpr auto SHRPX_OPT_FRONTEND_HTTP2_IDLE_TIMEOUT =
StringRef::from_lit("frontend-http2-idle-timeout");
constexpr auto SHRPX_OPT_FRONTEND_HTTP3_IDLE_TIMEOUT =
StringRef::from_lit("frontend-http3-idle-timeout");
constexpr size_t SHRPX_OBFUSCATED_NODE_LENGTH = 8;
constexpr char DEFAULT_DOWNSTREAM_HOST[] = "127.0.0.1";
constexpr int16_t DEFAULT_DOWNSTREAM_PORT = 80;
enum class Proto {
NONE,
HTTP1,
HTTP2,
HTTP3,
MEMCACHED,
};
enum class SessionAffinity {
// No session affinity
NONE,
// Client IP affinity
IP,
// Cookie based affinity
COOKIE,
};
enum class SessionAffinityCookieSecure {
// Secure attribute of session affinity cookie is determined by the
// request scheme.
AUTO,
// Secure attribute of session affinity cookie is always set.
YES,
// Secure attribute of session affinity cookie is always unset.
NO,
};
enum class SessionAffinityCookieStickiness {
// Backend server might be changed when an existing backend server
// is removed, or new backend server is added.
LOOSE,
// Backend server might be changed when a designated backend server
// is removed, but adding new backend server does not cause
// breakage.
STRICT,
};
struct AffinityConfig {
// Type of session affinity.
SessionAffinity type;
struct {
// Name of a cookie to use.
StringRef name;
// Path which a cookie is applied to.
StringRef path;
// Secure attribute
SessionAffinityCookieSecure secure;
// Affinity Stickiness
SessionAffinityCookieStickiness stickiness;
} cookie;
};
enum shrpx_forwarded_param {
FORWARDED_NONE = 0,
FORWARDED_BY = 0x1,
FORWARDED_FOR = 0x2,
FORWARDED_HOST = 0x4,
FORWARDED_PROTO = 0x8,
};
enum class ForwardedNode {
OBFUSCATED,
IP,
};
struct AltSvc {
StringRef protocol_id, host, origin, service, params;
uint16_t port;
};
enum class UpstreamAltMode {
// No alternative mode
NONE,
// API processing mode
API,
// Health monitor mode
HEALTHMON,
};
struct UpstreamAddr {
// The unique index of this address.
size_t index;
// The frontend address (e.g., FQDN, hostname, IP address). If
// |host_unix| is true, this is UNIX domain socket path. This must
// be NULL terminated string.
StringRef host;
// For TCP socket, this is <IP address>:<PORT>. For IPv6 address,
// address is surrounded by square brackets. If socket is UNIX
// domain socket, this is "localhost".
StringRef 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;
// Alternate mode
UpstreamAltMode alt_mode;
// true if |host| contains UNIX domain socket path.
bool host_unix;
// true if TLS is enabled.
bool tls;
// true if SNI host should be used as a host when selecting backend
// server.
bool sni_fwd;
// true if client is supposed to send PROXY protocol v1 header.
bool accept_proxy_protocol;
bool quic;
int fd;
};
struct DownstreamAddrConfig {
// Resolved address if |dns| is false
Address addr;
// backend address. If |host_unix| is true, this is UNIX domain
// socket path. This must be NULL terminated string.
StringRef host;
// <HOST>:<PORT>. This does not treat 80 and 443 specially. If
// |host_unix| is true, this is "localhost".
StringRef hostport;
// hostname sent as SNI field
StringRef sni;
// name of group which this address belongs to.
StringRef group;
size_t fall;
size_t rise;
// weight of this address inside a weight group. Its range is [1,
// 256], inclusive.
uint32_t weight;
// weight of the weight group. Its range is [1, 256], inclusive.
uint32_t group_weight;
// affinity hash for this address. It is assigned when strict
// stickiness is enabled.
uint32_t affinity_hash;
// Application protocol used in this group
Proto proto;
// backend port. 0 if |host_unix| is true.
uint16_t port;
// true if |host| contains UNIX domain socket path.
bool host_unix;
bool tls;
// true if dynamic DNS is enabled
bool dns;
// true if :scheme pseudo header field should be upgraded to secure
// variant (e.g., "https") when forwarding request to a backend
// connected by TLS connection.
bool upgrade_scheme;
// true if a request should not be forwarded to a backend.
bool dnf;
};
// Mapping hash to idx which is an index into
// DownstreamAddrGroupConfig::addrs.
struct AffinityHash {
AffinityHash(size_t idx, uint32_t hash) : idx(idx), hash(hash) {}
size_t idx;
uint32_t hash;
};
struct DownstreamAddrGroupConfig {
DownstreamAddrGroupConfig(const StringRef &pattern)
: pattern(pattern),
affinity{SessionAffinity::NONE},
redirect_if_not_tls(false),
dnf{false},
timeout{} {}
StringRef pattern;
StringRef mruby_file;
std::vector<DownstreamAddrConfig> addrs;
// Bunch of session affinity hash. Only used if affinity ==
// SessionAffinity::IP.
std::vector<AffinityHash> affinity_hash;
// Maps affinity hash of each DownstreamAddrConfig to its index in
// addrs. It is only assigned when strict stickiness is enabled.
std::unordered_map<uint32_t, size_t> affinity_hash_map;
// Cookie based session affinity configuration.
AffinityConfig affinity;
// true if this group requires that client connection must be TLS,
// and the request must be redirected to https URI.
bool redirect_if_not_tls;
// true if a request should not be forwarded to a backend.
bool dnf;
// Timeouts for backend connection.
struct {
ev_tstamp read;
ev_tstamp write;
} timeout;
};
struct TicketKey {
const EVP_CIPHER *cipher;
const EVP_MD *hmac;
size_t hmac_keylen;
struct {
// name of this ticket configuration
std::array<uint8_t, 16> name;
// encryption key for |cipher|
std::array<uint8_t, 32> enc_key;
// hmac key for |hmac|
std::array<uint8_t, 32> hmac_key;
} data;
};
struct TicketKeys {
~TicketKeys();
std::vector<TicketKey> keys;
};
struct TLSCertificate {
TLSCertificate(StringRef private_key_file, StringRef cert_file,
std::vector<uint8_t> sct_data)
: private_key_file(std::move(private_key_file)),
cert_file(std::move(cert_file)),
sct_data(std::move(sct_data)) {}
StringRef private_key_file;
StringRef cert_file;
std::vector<uint8_t> sct_data;
};
#ifdef ENABLE_HTTP3
struct QUICKeyingMaterial {
QUICKeyingMaterial() noexcept = default;
QUICKeyingMaterial(QUICKeyingMaterial &&other) noexcept;
~QUICKeyingMaterial() noexcept;
QUICKeyingMaterial &operator=(QUICKeyingMaterial &&other) noexcept;
EVP_CIPHER_CTX *cid_encryption_ctx;
EVP_CIPHER_CTX *cid_decryption_ctx;
std::array<uint8_t, SHRPX_QUIC_SECRET_RESERVEDLEN> reserved;
std::array<uint8_t, SHRPX_QUIC_SECRETLEN> secret;
std::array<uint8_t, SHRPX_QUIC_SALTLEN> salt;
std::array<uint8_t, SHRPX_QUIC_CID_ENCRYPTION_KEYLEN> cid_encryption_key;
// Identifier of this keying material. Only the first 2 bits are
// used.
uint8_t id;
};
struct QUICKeyingMaterials {
std::vector<QUICKeyingMaterial> keying_materials;
};
#endif // ENABLE_HTTP3
struct HttpProxy {
Address addr;
// host in http proxy URI
StringRef host;
// userinfo in http proxy URI, not percent-encoded form
StringRef 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.
StringRef host;
// Client private key and certificate for authentication
StringRef private_key_file;
StringRef 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<StringRef> 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.
StringRef host;
// Client private key and certificate for authentication
StringRef private_key_file;
StringRef 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 related configurations
struct {
ev_tstamp update_interval;
StringRef fetch_ocsp_response_file;
bool disabled;
bool startup;
bool no_verify;
} ocsp;
// Client verification configurations
struct {
// Path to file containing CA certificate solely used for client
// certificate validation
StringRef cacert;
bool enabled;
// true if we accept an expired client certificate.
bool tolerate_expired;
} client_verify;
// Client (backend connection) TLS configuration.
struct {
// Client PSK configuration
struct {
// identity must be NULL terminated string.
StringRef identity;
StringRef secret;
} psk;
StringRef private_key_file;
StringRef cert_file;
StringRef ciphers;
StringRef tls13_ciphers;
bool no_http2_cipher_block_list;
} client;
// PSK secrets. The key is identity, and the associated value is
// its secret.
std::map<StringRef, StringRef> psk_secrets;
// The list of additional TLS certificate pair
std::vector<TLSCertificate> subcerts;
std::vector<unsigned char> alpn_prefs;
// list of supported ALPN protocol strings in the order of
// preference.
std::vector<StringRef> alpn_list;
// list of supported SSL/TLS protocol strings.
std::vector<StringRef> tls_proto_list;
std::vector<uint8_t> sct_data;
BIO_METHOD *bio_method;
// Bit mask to disable SSL/TLS protocol versions. This will be
// passed to SSL_CTX_set_options().
long int tls_proto_mask;
StringRef backend_sni_name;
std::chrono::seconds session_timeout;
StringRef private_key_file;
StringRef private_key_passwd;
StringRef cert_file;
StringRef dh_param_file;
StringRef ciphers;
StringRef tls13_ciphers;
StringRef ecdh_curves;
StringRef cacert;
// The maximum amount of 0-RTT data that server accepts.
uint32_t max_early_data;
// The minimum and maximum TLS version. These values are defined in
// OpenSSL header file.
int min_proto_version;
int max_proto_version;
bool insecure;
bool no_http2_cipher_block_list;
// true if forwarding requests included in TLS early data should not
// be postponed until TLS handshake finishes.
bool no_postpone_early_data;
bool ktls;
};
#ifdef ENABLE_HTTP3
struct QUICConfig {
struct {
struct {
ev_tstamp idle;
} timeout;
struct {
bool log;
} debug;
struct {
StringRef dir;
} qlog;
ngtcp2_cc_algo congestion_controller;
bool early_data;
bool require_token;
StringRef secret_file;
ev_tstamp initial_rtt;
} upstream;
struct {
StringRef prog_file;
bool disabled;
} bpf;
uint32_t server_id;
};
struct Http3Config {
struct {
size_t max_concurrent_streams;
int32_t window_size;
int32_t connection_window_size;
int32_t max_window_size;
int32_t max_connection_window_size;
} upstream;
};
#endif // ENABLE_HTTP3
// custom error page
struct ErrorPage {
// not NULL-terminated
std::vector<uint8_t> content;
// 0 is special value, and it matches all HTTP status code.
unsigned int http_status;
};
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.
StringRef 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.
ForwardedNode by_node_type;
// type of value recorded in "for" parameter of Forwarded header
// field.
ForwardedNode for_node_type;
bool strip_incoming;
} forwarded;
struct {
bool add;
bool strip_incoming;
} xff;
struct {
bool add;
bool strip_incoming;
} xfp;
struct {
bool strip_incoming;
} early_data;
struct {
ev_tstamp header;
} timeout;
std::vector<AltSvc> altsvcs;
// altsvcs serialized in a wire format.
StringRef altsvc_header_value;
std::vector<AltSvc> http2_altsvcs;
// http2_altsvcs serialized in a wire format.
StringRef http2_altsvc_header_value;
std::vector<ErrorPage> error_pages;
HeaderRefs add_request_headers;
HeaderRefs add_response_headers;
StringRef server_name;
// Port number which appears in Location header field when https
// redirect is made.
StringRef redirect_https_port;
size_t request_header_field_buffer;
size_t max_request_header_fields;
size_t response_header_field_buffer;
size_t max_response_header_fields;
size_t max_requests;
bool no_via;
bool no_location_rewrite;
bool no_host_rewrite;
bool no_server_rewrite;
bool require_http_scheme;
};
struct Http2Config {
struct {
struct {
struct {
StringRef request_header_file;
StringRef response_header_file;
FILE *request_header;
FILE *response_header;
} dump;
bool frame_debug;
} debug;
struct {
ev_tstamp settings;
} timeout;
nghttp2_option *option;
nghttp2_option *alt_mode_option;
nghttp2_session_callbacks *callbacks;
size_t max_concurrent_streams;
size_t encoder_dynamic_table_size;
size_t decoder_dynamic_table_size;
int32_t window_size;
int32_t connection_window_size;
bool optimize_write_buffer_size;
bool optimize_window_size;
} upstream;
struct {
struct {
ev_tstamp settings;
} timeout;
nghttp2_option *option;
nghttp2_session_callbacks *callbacks;
size_t encoder_dynamic_table_size;
size_t decoder_dynamic_table_size;
int32_t window_size;
int32_t connection_window_size;
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<LogFragment> format;
StringRef file;
// Send accesslog to syslog, ignoring accesslog_file.
bool syslog;
// Write accesslog when response headers are received from
// backend, rather than response body is received and sent.
bool write_early;
} access;
struct {
StringRef file;
// Send errorlog to syslog, ignoring errorlog_file.
bool syslog;
} error;
int syslog_facility;
int severity;
};
struct RateLimitConfig {
size_t rate;
size_t burst;
};
// Wildcard host pattern routing. We strips left most '*' from host
// field. router includes all path patterns sharing the same wildcard
// host.
struct WildcardPattern {
WildcardPattern(const StringRef &host) : host(host) {}
// This might not be NULL terminated. Currently it is only used for
// comparison.
StringRef host;
Router router;
};
// Configuration to select backend to forward request
struct RouterConfig {
Router router;
// Router for reversed wildcard hosts. Since this router has
// wildcard hosts reversed without '*', one should call match()
// function with reversed host stripping last character. This is
// because we require at least one character must match for '*'.
// The index stored in this router is index of wildcard_patterns.
Router rev_wildcard_router;
std::vector<WildcardPattern> wildcard_patterns;
};
struct DownstreamConfig {
DownstreamConfig()
: balloc(1024, 1024),
timeout{},
addr_group_catch_all{0},