nghttp2/src/shrpx_config.h

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/*
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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>
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#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
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#endif // HAVE_SYS_SOCKET_H
#include <sys/un.h>
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#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
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#endif // HAVE_NETINET_IN_H
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
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#endif // HAVE_ARPA_INET_H
#include <cinttypes>
#include <cstdio>
#include <vector>
#include <memory>
#include <set>
#include <openssl/ssl.h>
#include <ev.h>
#include <nghttp2/nghttp2.h>
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#include "shrpx_router.h"
#include "template.h"
#include "http2.h"
using namespace nghttp2;
namespace shrpx {
struct LogFragment;
namespace ssl {
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class CertLookupTree;
} // namespace ssl
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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_BACKEND_TLS_SESSION_CACHE_PER_WORKER[] =
"backend-tls-session-cache-per-worker";
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 size_t SHRPX_OBFUSCATED_NODE_LENGTH = 8;
union sockaddr_union {
sockaddr_storage storage;
sockaddr sa;
sockaddr_in6 in6;
sockaddr_in in;
sockaddr_un un;
};
struct Address {
size_t len;
union sockaddr_union su;
};
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enum shrpx_proto { PROTO_HTTP2, PROTO_HTTP };
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;
};
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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 <IP address>:<PORT>. 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 DownstreamAddr {
Address addr;
// backend address. If |host_unix| is true, this is UNIX domain
// socket path.
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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 DownstreamAddrGroup {
DownstreamAddrGroup(const StringRef &pattern)
: pattern(pattern.c_str(), pattern.size()) {}
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ImmutableString pattern;
std::vector<DownstreamAddr> addrs;
};
struct TicketKey {
const EVP_CIPHER *cipher;
const EVP_MD *hmac;
size_t hmac_keylen;
struct {
// name of this ticket configuration
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std::array<uint8_t, 16> name;
// encryption key for |cipher|
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std::array<uint8_t, 32> enc_key;
// hmac key for |hmac|
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std::array<uint8_t, 32> hmac_key;
} data;
};
struct TicketKeys {
~TicketKeys();
std::vector<TicketKey> 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<std::string> 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;
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// The list of (private key file, certificate file) pair
std::vector<std::pair<std::string, std::string>> subcerts;
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std::vector<unsigned char> alpn_prefs;
// list of supported NPN/ALPN protocol strings in the order of
// preference.
std::vector<std::string> npn_list;
// list of supported SSL/TLS protocol strings.
std::vector<std::string> tls_proto_list;
size_t downstream_session_cache_per_worker;
// 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<AltSvc> 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;
} upstream;
struct {
nghttp2_option *option;
nghttp2_session_callbacks *callbacks;
size_t window_bits;
size_t connection_window_bits;
size_t connections_per_worker;
} downstream;
struct {
ev_tstamp stream_read;
ev_tstamp stream_write;
} timeout;
size_t max_concurrent_streams;
bool no_cookie_crumbling;
bool no_server_push;
};
struct LoggingConfig {
struct {
std::vector<LogFragment> 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
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std::vector<UpstreamAddr> 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<DownstreamAddrGroup> 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;
// downstream protocol; this will be determined by given options.
shrpx_proto proto;
// 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 {
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Router router;
HttpProxy downstream_http_proxy;
HttpConfig http;
Http2Config http2;
TLSConfig tls;
LoggingConfig logging;
ConnectionConfig conn;
ImmutableString pid_file;
ImmutableString conf_path;
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ImmutableString user;
ImmutableString mruby_file;
char **original_argv;
char **argv;
char *cwd;
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size_t num_worker;
size_t padding;
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size_t rlimit_nofile;
int argc;
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uid_t uid;
gid_t gid;
pid_t pid;
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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;
};
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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<std::string> &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<std::string> &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<LogFragment> parse_log_format(const char *optarg);
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// Returns string for syslog |facility|.
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const char *str_syslog_facility(int facility);
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// Returns integer value of syslog |facility| string.
int int_syslog_facility(const char *strfacility);
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FILE *open_file_for_write(const char *filename);
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// 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<TicketKeys>
read_tls_ticket_key_file(const std::vector<std::string> &files,
const EVP_CIPHER *cipher, const EVP_MD *hmac);
// Selects group based on request's |hostport| and |path|. |hostport|
// is the value taken from :authority or host header field, and may
// contain port. The |path| may contain query part. We require the
// catch-all pattern in place, so this function always selects one
// group. The catch-all group index is given in |catch_all|. All
// patterns are given in |groups|.
size_t match_downstream_addr_group(
const Router &router, const StringRef &hostport, const StringRef &path,
const std::vector<DownstreamAddrGroup> &groups, size_t catch_all);
} // namespace shrpx
#endif // SHRPX_CONFIG_H