nghttp2/src/shrpx_config.h

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/*
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* nghttp2 - HTTP/2.0 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 <stdint.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <vector>
#include <event.h>
#include <openssl/ssl.h>
namespace shrpx {
namespace ssl {
struct CertLookupTree;
} // namespace ssl
extern const char SHRPX_OPT_PRIVATE_KEY_FILE[];
extern const char SHRPX_OPT_PRIVATE_KEY_PASSWD_FILE[];
extern const char SHRPX_OPT_CERTIFICATE_FILE[];
extern const char SHRPX_OPT_DH_PARAM_FILE[];
extern const char SHRPX_OPT_SUBCERT[];
extern const char SHRPX_OPT_BACKEND[];
extern const char SHRPX_OPT_FRONTEND[];
extern const char SHRPX_OPT_WORKERS[];
extern const char SHRPX_OPT_SPDY_MAX_CONCURRENT_STREAMS[];
extern const char SHRPX_OPT_LOG_LEVEL[];
extern const char SHRPX_OPT_DAEMON[];
extern const char SHRPX_OPT_SPDY_PROXY[];
extern const char SHRPX_OPT_SPDY_BRIDGE[];
extern const char SHRPX_OPT_CLIENT_PROXY[];
extern const char SHRPX_OPT_ADD_X_FORWARDED_FOR[];
extern const char SHRPX_OPT_NO_VIA[];
extern const char SHRPX_OPT_FRONTEND_SPDY_READ_TIMEOUT[];
extern const char SHRPX_OPT_FRONTEND_READ_TIMEOUT[];
extern const char SHRPX_OPT_FRONTEND_WRITE_TIMEOUT[];
extern const char SHRPX_OPT_BACKEND_READ_TIMEOUT[];
extern const char SHRPX_OPT_BACKEND_WRITE_TIMEOUT[];
extern const char SHRPX_OPT_ACCESSLOG[];
extern const char SHRPX_OPT_BACKEND_KEEP_ALIVE_TIMEOUT[];
extern const char SHRPX_OPT_FRONTEND_SPDY_WINDOW_BITS[];
extern const char SHRPX_OPT_BACKEND_SPDY_WINDOW_BITS[];
extern const char SHRPX_OPT_FRONTEND_NO_TLS[];
extern const char SHRPX_OPT_BACKEND_NO_TLS[];
extern const char SHRPX_OPT_PID_FILE[];
extern const char SHRPX_OPT_USER[];
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extern const char SHRPX_OPT_SYSLOG[];
extern const char SHRPX_OPT_SYSLOG_FACILITY[];
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extern const char SHRPX_OPT_BACKLOG[];
extern const char SHRPX_OPT_CIPHERS[];
extern const char SHRPX_OPT_HONOR_CIPHER_ORDER[];
extern const char SHRPX_OPT_CLIENT[];
extern const char SHRPX_OPT_INSECURE[];
extern const char SHRPX_OPT_CACERT[];
extern const char SHRPX_OPT_BACKEND_IPV4[];
extern const char SHRPX_OPT_BACKEND_IPV6[];
extern const char SHRPX_OPT_BACKEND_HTTP_PROXY_URI[];
extern const char SHRPX_OPT_BACKEND_TLS_SNI_FIELD[];
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extern const char SHRPX_OPT_READ_RATE[];
extern const char SHRPX_OPT_READ_BURST[];
extern const char SHRPX_OPT_WRITE_RATE[];
extern const char SHRPX_OPT_WRITE_BURST[];
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extern const char SHRPX_OPT_NPN_LIST[];
extern const char SHRPX_OPT_VERIFY_CLIENT[];
extern const char SHRPX_OPT_VERIFY_CLIENT_CACERT[];
extern const char SHRPX_OPT_CLIENT_PRIVATE_KEY_FILE[];
extern const char SHRPX_OPT_CLIENT_CERT_FILE[];
union sockaddr_union {
sockaddr sa;
sockaddr_storage storage;
sockaddr_in6 in6;
sockaddr_in in;
};
enum shrpx_proto {
PROTO_SPDY,
PROTO_HTTP
};
struct Config {
bool verbose;
bool daemon;
char *host;
uint16_t port;
char *private_key_file;
char *private_key_passwd;
char *cert_file;
char *dh_param_file;
SSL_CTX *default_ssl_ctx;
ssl::CertLookupTree *cert_tree;
bool verify_client;
const char *server_name;
char *downstream_host;
uint16_t downstream_port;
char *downstream_hostport;
sockaddr_union downstream_addr;
size_t downstream_addrlen;
timeval spdy_upstream_read_timeout;
timeval upstream_read_timeout;
timeval upstream_write_timeout;
timeval downstream_read_timeout;
timeval downstream_write_timeout;
timeval downstream_idle_read_timeout;
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size_t num_worker;
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size_t spdy_max_concurrent_streams;
bool spdy_proxy;
bool spdy_bridge;
bool client_proxy;
bool add_x_forwarded_for;
bool no_via;
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bool accesslog;
size_t spdy_upstream_window_bits;
size_t spdy_downstream_window_bits;
bool upstream_no_tls;
bool downstream_no_tls;
char *backend_tls_sni_name;
char *pid_file;
uid_t uid;
gid_t gid;
char *conf_path;
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bool syslog;
int syslog_facility;
// This member finally decides syslog is used or not
bool use_syslog;
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int backlog;
char *ciphers;
bool honor_cipher_order;
bool client;
// true if --client or --client-proxy are enabled.
bool client_mode;
// downstream protocol; this will be determined by given options.
shrpx_proto downstream_proto;
bool insecure;
char *cacert;
bool backend_ipv4;
bool backend_ipv6;
// true if stderr refers to a terminal.
bool tty;
// userinfo in http proxy URI, not percent-encoded form
char *downstream_http_proxy_userinfo;
// host in http proxy URI
char *downstream_http_proxy_host;
// port in http proxy URI
uint16_t downstream_http_proxy_port;
// binary form of http proxy host and port
sockaddr_union downstream_http_proxy_addr;
// actual size of downstream_http_proxy_addr
size_t downstream_http_proxy_addrlen;
// Rate limit configuration
ev_token_bucket_cfg *rate_limit_cfg;
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size_t read_rate;
size_t read_burst;
size_t write_rate;
size_t write_burst;
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// Comma delimited list of NPN protocol strings in the order of
// preference.
char **npn_list;
// The number of elements in npn_list
size_t npn_list_len;
// The list of (private key file, certificate file) pair
std::vector<std::pair<std::string, std::string>> subcerts;
// Path to file containing CA certificate solely used for client
// certificate validation
char *verify_client_cacert;
char *client_private_key_file;
char *client_cert_file;
};
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.
int parse_config(const char *opt, const char *optarg);
// Loads configurations from |filename| and stores them in statically
// allocated Config object. This function returns 0 if it succeeds, or
// -1.
int load_config(const char *filename);
// Read passwd from |filename|
std::string read_passwd_from_file(const char *filename);
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// Parses NPN protocol strings in |s| and stores the protocols list in
// mod_config()->npn_list and assigns the number of elements in
// mod_config()->npn_list_len. The |s| must be comma delimited list of
// protocol strings. The strings must be delimited by a single command
// and any white spaces around it are treated as a part of protocol
// strings. This function always succeeds and returns 0.
int parse_config_npn_list(const char *s);
// Copies NULL-terminated string |val| to |*destp|. If |*destp| is not
// NULL, it is freed before copying.
void set_config_str(char **destp, const char *val);
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// 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);
} // namespace shrpx
#endif // SHRPX_CONFIG_H