273 lines
9.3 KiB
C++
273 lines
9.3 KiB
C++
/*
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* nghttp2 - HTTP/2 C Library
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*
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* Copyright (c) 2012 Tatsuhiro Tsujikawa
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef SHRPX_CONFIG_H
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#define SHRPX_CONFIG_H
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#include "shrpx.h"
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#include <stdint.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <cstdio>
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#include <vector>
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#include <event.h>
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#include <openssl/ssl.h>
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namespace shrpx {
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namespace ssl {
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struct CertLookupTree;
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} // namespace ssl
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extern const char SHRPX_OPT_PRIVATE_KEY_FILE[];
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extern const char SHRPX_OPT_PRIVATE_KEY_PASSWD_FILE[];
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extern const char SHRPX_OPT_CERTIFICATE_FILE[];
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extern const char SHRPX_OPT_DH_PARAM_FILE[];
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extern const char SHRPX_OPT_SUBCERT[];
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extern const char SHRPX_OPT_BACKEND[];
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extern const char SHRPX_OPT_FRONTEND[];
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extern const char SHRPX_OPT_WORKERS[];
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extern const char SHRPX_OPT_HTTP2_MAX_CONCURRENT_STREAMS[];
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extern const char SHRPX_OPT_LOG_LEVEL[];
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extern const char SHRPX_OPT_DAEMON[];
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extern const char SHRPX_OPT_HTTP2_PROXY[];
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extern const char SHRPX_OPT_HTTP2_BRIDGE[];
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extern const char SHRPX_OPT_CLIENT_PROXY[];
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extern const char SHRPX_OPT_ADD_X_FORWARDED_FOR[];
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extern const char SHRPX_OPT_NO_VIA[];
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extern const char SHRPX_OPT_FRONTEND_HTTP2_READ_TIMEOUT[];
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extern const char SHRPX_OPT_FRONTEND_READ_TIMEOUT[];
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extern const char SHRPX_OPT_FRONTEND_WRITE_TIMEOUT[];
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extern const char SHRPX_OPT_BACKEND_READ_TIMEOUT[];
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extern const char SHRPX_OPT_BACKEND_WRITE_TIMEOUT[];
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extern const char SHRPX_OPT_ACCESSLOG[];
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extern const char SHRPX_OPT_BACKEND_KEEP_ALIVE_TIMEOUT[];
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extern const char SHRPX_OPT_FRONTEND_HTTP2_WINDOW_BITS[];
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extern const char SHRPX_OPT_BACKEND_HTTP2_WINDOW_BITS[];
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extern const char SHRPX_OPT_FRONTEND_HTTP2_CONNECTION_WINDOW_BITS[];
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extern const char SHRPX_OPT_BACKEND_HTTP2_CONNECTION_WINDOW_BITS[];
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extern const char SHRPX_OPT_FRONTEND_NO_TLS[];
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extern const char SHRPX_OPT_BACKEND_NO_TLS[];
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extern const char SHRPX_OPT_PID_FILE[];
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extern const char SHRPX_OPT_USER[];
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extern const char SHRPX_OPT_SYSLOG[];
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extern const char SHRPX_OPT_SYSLOG_FACILITY[];
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extern const char SHRPX_OPT_BACKLOG[];
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extern const char SHRPX_OPT_CIPHERS[];
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extern const char SHRPX_OPT_HONOR_CIPHER_ORDER[];
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extern const char SHRPX_OPT_CLIENT[];
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extern const char SHRPX_OPT_INSECURE[];
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extern const char SHRPX_OPT_CACERT[];
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extern const char SHRPX_OPT_BACKEND_IPV4[];
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extern const char SHRPX_OPT_BACKEND_IPV6[];
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extern const char SHRPX_OPT_BACKEND_HTTP_PROXY_URI[];
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extern const char SHRPX_OPT_BACKEND_TLS_SNI_FIELD[];
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extern const char SHRPX_OPT_READ_RATE[];
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extern const char SHRPX_OPT_READ_BURST[];
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extern const char SHRPX_OPT_WRITE_RATE[];
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extern const char SHRPX_OPT_WRITE_BURST[];
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extern const char SHRPX_OPT_WORKER_READ_RATE[];
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extern const char SHRPX_OPT_WORKER_READ_BURST[];
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extern const char SHRPX_OPT_WORKER_WRITE_RATE[];
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extern const char SHRPX_OPT_WORKER_WRITE_BURST[];
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extern const char SHRPX_OPT_NPN_LIST[];
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extern const char SHRPX_OPT_TLS_PROTO_LIST[];
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extern const char SHRPX_OPT_VERIFY_CLIENT[];
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extern const char SHRPX_OPT_VERIFY_CLIENT_CACERT[];
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extern const char SHRPX_OPT_CLIENT_PRIVATE_KEY_FILE[];
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extern const char SHRPX_OPT_CLIENT_CERT_FILE[];
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extern const char SHRPX_OPT_FRONTEND_HTTP2_DUMP_REQUEST_HEADER[];
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extern const char SHRPX_OPT_FRONTEND_HTTP2_DUMP_RESPONSE_HEADER[];
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extern const char SHRPX_OPT_HTTP2_NO_COOKIE_CRUMBLING[];
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extern const char SHRPX_OPT_FRONTEND_FRAME_DEBUG[];
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extern const char SHRPX_OPT_PADDING[];
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union sockaddr_union {
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sockaddr sa;
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sockaddr_storage storage;
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sockaddr_in6 in6;
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sockaddr_in in;
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};
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enum shrpx_proto {
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PROTO_HTTP2,
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PROTO_HTTP
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};
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struct Config {
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// The list of (private key file, certificate file) pair
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std::vector<std::pair<std::string, std::string>> subcerts;
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sockaddr_union downstream_addr;
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// binary form of http proxy host and port
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sockaddr_union downstream_http_proxy_addr;
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timeval http2_upstream_read_timeout;
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timeval upstream_read_timeout;
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timeval upstream_write_timeout;
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timeval downstream_read_timeout;
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timeval downstream_write_timeout;
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timeval downstream_idle_read_timeout;
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char *host;
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char *private_key_file;
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char *private_key_passwd;
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char *cert_file;
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char *dh_param_file;
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SSL_CTX *default_ssl_ctx;
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ssl::CertLookupTree *cert_tree;
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const char *server_name;
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char *downstream_host;
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char *downstream_hostport;
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char *backend_tls_sni_name;
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char *pid_file;
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char *conf_path;
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char *ciphers;
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char *cacert;
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// userinfo in http proxy URI, not percent-encoded form
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char *downstream_http_proxy_userinfo;
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// host in http proxy URI
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char *downstream_http_proxy_host;
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// Rate limit configuration per connection
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ev_token_bucket_cfg *rate_limit_cfg;
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// Rate limit configuration per worker (thread)
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ev_token_bucket_cfg *worker_rate_limit_cfg;
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// list of supported NPN/ALPN protocol strings in the order of
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// preference. The each element of this list is a NULL-terminated
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// string.
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char **npn_list;
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// list of supported SSL/TLS protocol strings. The each element of
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// this list is a NULL-terminated string.
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char **tls_proto_list;
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// Path to file containing CA certificate solely used for client
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// certificate validation
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char *verify_client_cacert;
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char *client_private_key_file;
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char *client_cert_file;
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FILE *http2_upstream_dump_request_header;
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FILE *http2_upstream_dump_response_header;
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size_t downstream_addrlen;
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size_t num_worker;
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size_t http2_max_concurrent_streams;
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size_t http2_upstream_window_bits;
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size_t http2_downstream_window_bits;
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size_t http2_upstream_connection_window_bits;
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size_t http2_downstream_connection_window_bits;
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// actual size of downstream_http_proxy_addr
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size_t downstream_http_proxy_addrlen;
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size_t read_rate;
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size_t read_burst;
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size_t write_rate;
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size_t write_burst;
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size_t worker_read_rate;
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size_t worker_read_burst;
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size_t worker_write_rate;
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size_t worker_write_burst;
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// The number of elements in npn_list
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size_t npn_list_len;
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// The number of elements in tls_proto_list
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size_t tls_proto_list_len;
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size_t padding;
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// downstream protocol; this will be determined by given options.
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shrpx_proto downstream_proto;
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int syslog_facility;
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int backlog;
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uid_t uid;
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gid_t gid;
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uint16_t port;
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uint16_t downstream_port;
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// port in http proxy URI
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uint16_t downstream_http_proxy_port;
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bool verbose;
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bool daemon;
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bool verify_client;
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bool http2_proxy;
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bool http2_bridge;
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bool client_proxy;
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bool add_x_forwarded_for;
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bool no_via;
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bool accesslog;
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bool upstream_no_tls;
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bool downstream_no_tls;
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bool syslog;
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// This member finally decides syslog is used or not
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bool use_syslog;
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bool honor_cipher_order;
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bool client;
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// true if --client or --client-proxy are enabled.
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bool client_mode;
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bool insecure;
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bool backend_ipv4;
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bool backend_ipv6;
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// true if stderr refers to a terminal.
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bool tty;
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bool http2_no_cookie_crumbling;
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bool upstream_frame_debug;
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};
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const Config* get_config();
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Config* mod_config();
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void create_config();
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// Parses option name |opt| and value |optarg|. The results are
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// stored into statically allocated Config object. This function
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// returns 0 if it succeeds, or -1.
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int parse_config(const char *opt, const char *optarg);
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// Loads configurations from |filename| and stores them in statically
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// allocated Config object. This function returns 0 if it succeeds, or
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// -1.
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int load_config(const char *filename);
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// Read passwd from |filename|
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std::string read_passwd_from_file(const char *filename);
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// Parses comma delimited strings in |s| and returns the array of
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// pointers, each element points to the each substring in |s|. The
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// number of elements are stored in |*outlen|. The |s| must be comma
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// delimited list of strings. The strings must be delimited by a
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// single comma and any white spaces around it are treated as a part
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// of protocol strings. This function may modify |s| and the caller
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// must leave it as is after this call. This function allocates memory
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// to store the parsed strings and it is caller's responsibility to
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// deallocate the memory.
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char** parse_config_str_list(size_t *outlen, const char *s);
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// Copies NULL-terminated string |val| to |*destp|. If |*destp| is not
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// NULL, it is freed before copying.
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void set_config_str(char **destp, const char *val);
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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.
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int int_syslog_facility(const char *strfacility);
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} // namespace shrpx
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#endif // SHRPX_CONFIG_H
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