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nginx-quic/src/http/ngx_http_core_module.c

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/*
* Copyright (C) Igor Sysoev
*/
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_event.h>
#include <ngx_http.h>
#include <nginx.h>
typedef struct {
u_char *name;
uint32_t method;
} ngx_http_method_name_t;
#define NGX_HTTP_LOCATION_EXACT 1
#define NGX_HTTP_LOCATION_AUTO_REDIRECT 2
#define NGX_HTTP_LOCATION_NOREGEX 3
#define NGX_HTTP_LOCATION_REGEX 4
#define NGX_HTTP_REQUEST_BODY_FILE_OFF 0
#define NGX_HTTP_REQUEST_BODY_FILE_ON 1
#define NGX_HTTP_REQUEST_BODY_FILE_CLEAN 2
static ngx_int_t ngx_http_core_find_location(ngx_http_request_t *r,
ngx_array_t *locations, ngx_uint_t regex_start, size_t len);
static ngx_int_t ngx_http_core_preconfiguration(ngx_conf_t *cf);
static void *ngx_http_core_create_main_conf(ngx_conf_t *cf);
static char *ngx_http_core_init_main_conf(ngx_conf_t *cf, void *conf);
static void *ngx_http_core_create_srv_conf(ngx_conf_t *cf);
static char *ngx_http_core_merge_srv_conf(ngx_conf_t *cf,
void *parent, void *child);
static void *ngx_http_core_create_loc_conf(ngx_conf_t *cf);
static char *ngx_http_core_merge_loc_conf(ngx_conf_t *cf,
void *parent, void *child);
static char *ngx_http_core_server(ngx_conf_t *cf, ngx_command_t *cmd,
void *dummy);
static char *ngx_http_core_location(ngx_conf_t *cf, ngx_command_t *cmd,
void *dummy);
static int ngx_http_core_cmp_locations(const void *first, const void *second);
static char *ngx_http_core_types(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_http_core_type(ngx_conf_t *cf, ngx_command_t *dummy,
void *conf);
static char *ngx_http_core_listen(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_http_core_server_name(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_http_core_root(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
static char *ngx_http_core_limit_except(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_http_core_error_page(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_http_core_open_file_cache(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_http_core_error_log(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_http_core_keepalive(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_http_core_internal(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_http_core_resolver(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_http_core_lowat_check(ngx_conf_t *cf, void *post, void *data);
static char *ngx_http_core_pool_size(ngx_conf_t *cf, void *post, void *data);
static ngx_conf_post_t ngx_http_core_lowat_post =
{ ngx_http_core_lowat_check };
static ngx_conf_post_handler_pt ngx_http_core_pool_size_p =
ngx_http_core_pool_size;
static ngx_conf_deprecated_t ngx_conf_deprecated_optimize_host_names = {
ngx_conf_deprecated, "optimize_host_names", "optimize_server_names"
};
static ngx_conf_enum_t ngx_http_core_request_body_in_file[] = {
{ ngx_string("off"), NGX_HTTP_REQUEST_BODY_FILE_OFF },
{ ngx_string("on"), NGX_HTTP_REQUEST_BODY_FILE_ON },
{ ngx_string("clean"), NGX_HTTP_REQUEST_BODY_FILE_CLEAN },
{ ngx_null_string, 0 }
};
static ngx_command_t ngx_http_core_commands[] = {
{ ngx_string("variables_hash_max_size"),
NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
ngx_conf_set_num_slot,
NGX_HTTP_MAIN_CONF_OFFSET,
offsetof(ngx_http_core_main_conf_t, variables_hash_max_size),
NULL },
{ ngx_string("variables_hash_bucket_size"),
NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
ngx_conf_set_num_slot,
NGX_HTTP_MAIN_CONF_OFFSET,
offsetof(ngx_http_core_main_conf_t, variables_hash_bucket_size),
NULL },
{ ngx_string("server_names_hash_max_size"),
NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
ngx_conf_set_num_slot,
NGX_HTTP_MAIN_CONF_OFFSET,
offsetof(ngx_http_core_main_conf_t, server_names_hash_max_size),
NULL },
{ ngx_string("server_names_hash_bucket_size"),
NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
ngx_conf_set_num_slot,
NGX_HTTP_MAIN_CONF_OFFSET,
offsetof(ngx_http_core_main_conf_t, server_names_hash_bucket_size),
NULL },
{ ngx_string("server"),
NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_MULTI|NGX_CONF_NOARGS,
ngx_http_core_server,
0,
0,
NULL },
{ ngx_string("connection_pool_size"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
ngx_conf_set_size_slot,
NGX_HTTP_SRV_CONF_OFFSET,
offsetof(ngx_http_core_srv_conf_t, connection_pool_size),
&ngx_http_core_pool_size_p },
{ ngx_string("request_pool_size"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
ngx_conf_set_size_slot,
NGX_HTTP_SRV_CONF_OFFSET,
offsetof(ngx_http_core_srv_conf_t, request_pool_size),
&ngx_http_core_pool_size_p },
{ ngx_string("client_header_timeout"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
ngx_conf_set_msec_slot,
NGX_HTTP_SRV_CONF_OFFSET,
offsetof(ngx_http_core_srv_conf_t, client_header_timeout),
NULL },
{ ngx_string("client_header_buffer_size"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
ngx_conf_set_size_slot,
NGX_HTTP_SRV_CONF_OFFSET,
offsetof(ngx_http_core_srv_conf_t, client_header_buffer_size),
NULL },
{ ngx_string("large_client_header_buffers"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE2,
ngx_conf_set_bufs_slot,
NGX_HTTP_SRV_CONF_OFFSET,
offsetof(ngx_http_core_srv_conf_t, large_client_header_buffers),
NULL },
{ ngx_string("optimize_server_names"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_SRV_CONF_OFFSET,
offsetof(ngx_http_core_srv_conf_t, optimize_server_names),
NULL },
{ ngx_string("optimize_host_names"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_SRV_CONF_OFFSET,
offsetof(ngx_http_core_srv_conf_t, optimize_server_names),
&ngx_conf_deprecated_optimize_host_names },
{ ngx_string("ignore_invalid_headers"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_SRV_CONF_OFFSET,
offsetof(ngx_http_core_srv_conf_t, ignore_invalid_headers),
NULL },
{ ngx_string("merge_slashes"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_SRV_CONF_OFFSET,
offsetof(ngx_http_core_srv_conf_t, merge_slashes),
NULL },
{ ngx_string("location"),
NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE12,
ngx_http_core_location,
NGX_HTTP_SRV_CONF_OFFSET,
0,
NULL },
{ ngx_string("listen"),
NGX_HTTP_SRV_CONF|NGX_CONF_1MORE,
ngx_http_core_listen,
NGX_HTTP_SRV_CONF_OFFSET,
0,
NULL },
{ ngx_string("server_name"),
NGX_HTTP_SRV_CONF|NGX_CONF_1MORE,
ngx_http_core_server_name,
NGX_HTTP_SRV_CONF_OFFSET,
0,
NULL },
{ ngx_string("types_hash_max_size"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_num_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, types_hash_max_size),
NULL },
{ ngx_string("types_hash_bucket_size"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_num_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, types_hash_bucket_size),
NULL },
{ ngx_string("types"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF
|NGX_CONF_BLOCK|NGX_CONF_NOARGS,
ngx_http_core_types,
NGX_HTTP_LOC_CONF_OFFSET,
0,
NULL },
{ ngx_string("default_type"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_str_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, default_type),
NULL },
{ ngx_string("root"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_TAKE1,
ngx_http_core_root,
NGX_HTTP_LOC_CONF_OFFSET,
0,
NULL },
{ ngx_string("alias"),
NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_http_core_root,
NGX_HTTP_LOC_CONF_OFFSET,
0,
NULL },
{ ngx_string("limit_except"),
NGX_HTTP_LOC_CONF|NGX_CONF_BLOCK|NGX_CONF_1MORE,
ngx_http_core_limit_except,
NGX_HTTP_LOC_CONF_OFFSET,
0,
NULL },
{ ngx_string("client_max_body_size"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_off_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, client_max_body_size),
NULL },
{ ngx_string("client_body_buffer_size"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_size_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, client_body_buffer_size),
NULL },
{ ngx_string("client_body_timeout"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_msec_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, client_body_timeout),
NULL },
{ ngx_string("client_body_temp_path"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
ngx_conf_set_path_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, client_body_temp_path),
(void *) ngx_garbage_collector_temp_handler },
{ ngx_string("client_body_in_file_only"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_conf_set_enum_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, client_body_in_file_only),
&ngx_http_core_request_body_in_file },
{ ngx_string("sendfile"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_TAKE1,
ngx_conf_set_flag_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, sendfile),
NULL },
{ ngx_string("sendfile_max_chunk"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_size_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, sendfile_max_chunk),
NULL },
{ ngx_string("tcp_nopush"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, tcp_nopush),
NULL },
{ ngx_string("tcp_nodelay"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, tcp_nodelay),
NULL },
{ ngx_string("send_timeout"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_msec_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, send_timeout),
NULL },
{ ngx_string("send_lowat"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_size_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, send_lowat),
&ngx_http_core_lowat_post },
{ ngx_string("postpone_output"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_size_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, postpone_output),
NULL },
{ ngx_string("limit_rate"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_TAKE1,
ngx_conf_set_size_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, limit_rate),
NULL },
{ ngx_string("keepalive_timeout"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12,
ngx_http_core_keepalive,
NGX_HTTP_LOC_CONF_OFFSET,
0,
NULL },
{ ngx_string("satisfy_any"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, satisfy_any),
NULL },
{ ngx_string("internal"),
NGX_HTTP_LOC_CONF|NGX_CONF_NOARGS,
ngx_http_core_internal,
NGX_HTTP_LOC_CONF_OFFSET,
0,
NULL },
{ ngx_string("lingering_time"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_msec_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, lingering_time),
NULL },
{ ngx_string("lingering_timeout"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_msec_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, lingering_timeout),
NULL },
{ ngx_string("reset_timedout_connection"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, reset_timedout_connection),
NULL },
{ ngx_string("port_in_redirect"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, port_in_redirect),
NULL },
{ ngx_string("msie_padding"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, msie_padding),
NULL },
{ ngx_string("msie_refresh"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, msie_refresh),
NULL },
{ ngx_string("log_not_found"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, log_not_found),
NULL },
{ ngx_string("recursive_error_pages"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, recursive_error_pages),
NULL },
{ ngx_string("server_tokens"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, server_tokens),
NULL },
{ ngx_string("error_page"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_2MORE,
ngx_http_core_error_page,
NGX_HTTP_LOC_CONF_OFFSET,
0,
NULL },
{ ngx_string("post_action"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_TAKE1,
ngx_conf_set_str_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, post_action),
NULL },
{ ngx_string("error_log"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
ngx_http_core_error_log,
NGX_HTTP_LOC_CONF_OFFSET,
0,
NULL },
{ ngx_string("open_file_cache"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12,
ngx_http_core_open_file_cache,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, open_file_cache),
NULL },
{ ngx_string("open_file_cache_retest"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_sec_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, open_file_cache_retest),
NULL },
{ ngx_string("open_file_cache_errors"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, open_file_cache_errors),
NULL },
{ ngx_string("open_file_cache_events"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, open_file_cache_events),
NULL },
{ ngx_string("resolver"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_http_core_resolver,
NGX_HTTP_LOC_CONF_OFFSET,
0,
NULL },
{ ngx_string("resolver_timeout"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_msec_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, resolver_timeout),
NULL },
ngx_null_command
};
static ngx_http_module_t ngx_http_core_module_ctx = {
ngx_http_core_preconfiguration, /* preconfiguration */
NULL, /* postconfiguration */
ngx_http_core_create_main_conf, /* create main configuration */
ngx_http_core_init_main_conf, /* init main configuration */
ngx_http_core_create_srv_conf, /* create server configuration */
ngx_http_core_merge_srv_conf, /* merge server configuration */
ngx_http_core_create_loc_conf, /* create location configuration */
ngx_http_core_merge_loc_conf /* merge location configuration */
};
ngx_module_t ngx_http_core_module = {
NGX_MODULE_V1,
&ngx_http_core_module_ctx, /* module context */
ngx_http_core_commands, /* module directives */
NGX_HTTP_MODULE, /* module type */
NULL, /* init master */
NULL, /* init module */
NULL, /* init process */
NULL, /* init thread */
NULL, /* exit thread */
NULL, /* exit process */
NULL, /* exit master */
NGX_MODULE_V1_PADDING
};
void
ngx_http_handler(ngx_http_request_t *r)
{
ngx_http_core_main_conf_t *cmcf;
r->connection->log->action = NULL;
r->connection->unexpected_eof = 0;
if (!r->internal) {
switch (r->headers_in.connection_type) {
case 0:
if (r->http_version > NGX_HTTP_VERSION_10) {
r->keepalive = 1;
} else {
r->keepalive = 0;
}
break;
case NGX_HTTP_CONNECTION_CLOSE:
r->keepalive = 0;
break;
case NGX_HTTP_CONNECTION_KEEP_ALIVE:
r->keepalive = 1;
break;
}
if (r->keepalive && r->headers_in.msie && r->method == NGX_HTTP_POST) {
/*
* MSIE may wait for some time if an response for
* a POST request was sent over a keepalive connection
*/
r->keepalive = 0;
}
if (r->headers_in.content_length_n > 0) {
r->lingering_close = 1;
} else {
r->lingering_close = 0;
}
r->phase_handler = 0;
} else {
cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
r->phase_handler = cmcf->phase_engine.server_rewrite_index;
}
if (r->unparsed_uri.len) {
r->valid_unparsed_uri = 1;
}
r->valid_location = 1;
r->write_event_handler = ngx_http_core_run_phases;
ngx_http_core_run_phases(r);
}
void
ngx_http_core_run_phases(ngx_http_request_t *r)
{
ngx_int_t rc;
ngx_http_phase_handler_t *ph;
ngx_http_core_main_conf_t *cmcf;
cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
ph = cmcf->phase_engine.handlers;
while (ph[r->phase_handler].checker) {
rc = ph[r->phase_handler].checker(r, &ph[r->phase_handler]);
if (rc == NGX_OK) {
return;
}
}
}
ngx_int_t
ngx_http_core_generic_phase(ngx_http_request_t *r, ngx_http_phase_handler_t *ph)
{
ngx_int_t rc;
/*
* generic phase checker,
* used by the post read, server rewrite, rewrite, and pre-access phases
*/
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"generic phase: %ui", r->phase_handler);
rc = ph->handler(r);
if (rc == NGX_OK) {
r->phase_handler = ph->next;
return NGX_AGAIN;
}
if (rc == NGX_DECLINED) {
r->phase_handler++;
return NGX_AGAIN;
}
if (rc == NGX_AGAIN || rc == NGX_DONE) {
return NGX_OK;
}
/* rc == NGX_ERROR || rc == NGX_HTTP_... */
ngx_http_finalize_request(r, rc);
return NGX_OK;
}
ngx_int_t
ngx_http_core_find_config_phase(ngx_http_request_t *r,
ngx_http_phase_handler_t *ph)
{
u_char *p;
size_t len;
ngx_int_t rc;
ngx_http_core_loc_conf_t *clcf;
ngx_http_core_srv_conf_t *cscf;
r->content_handler = NULL;
r->uri_changed = 0;
cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
rc = ngx_http_core_find_location(r, &cscf->locations, cscf->regex_start, 0);
if (rc == NGX_HTTP_INTERNAL_SERVER_ERROR) {
ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
return NGX_OK;
}
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
if (!r->internal && clcf->internal) {
ngx_http_finalize_request(r, NGX_HTTP_NOT_FOUND);
return NGX_OK;
}
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"using configuration \"%s%V\"",
(clcf->noname ? "*" : (clcf->exact_match ? "=" : "")),
&clcf->name);
ngx_http_update_location_config(r);
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"http cl:%O max:%O",
r->headers_in.content_length_n, clcf->client_max_body_size);
if (r->headers_in.content_length_n != -1
&& !r->discard_body
&& clcf->client_max_body_size
&& clcf->client_max_body_size < r->headers_in.content_length_n)
{
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"client intended to send too large body: %O bytes",
r->headers_in.content_length_n);
ngx_http_finalize_request(r, NGX_HTTP_REQUEST_ENTITY_TOO_LARGE);
return NGX_OK;
}
if (rc == NGX_HTTP_LOCATION_AUTO_REDIRECT) {
r->headers_out.location = ngx_list_push(&r->headers_out.headers);
if (r->headers_out.location == NULL) {
ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
return NGX_OK;
}
/*
* we do not need to set the r->headers_out.location->hash and
* r->headers_out.location->key fields
*/
if (r->args.len == 0) {
r->headers_out.location->value = clcf->name;
} else {
len = clcf->name.len + 1 + r->args.len;
p = ngx_palloc(r->pool, len);
if (p == NULL) {
ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
return NGX_OK;
}
r->headers_out.location->value.len = len;
r->headers_out.location->value.data = p;
p = ngx_cpymem(p, clcf->name.data, clcf->name.len);
*p++ = '?';
ngx_memcpy(p, r->args.data, r->args.len);
}
ngx_http_finalize_request(r, NGX_HTTP_MOVED_PERMANENTLY);
return NGX_OK;
}
r->phase_handler++;
return NGX_AGAIN;
}
ngx_int_t
ngx_http_core_post_rewrite_phase(ngx_http_request_t *r,
ngx_http_phase_handler_t *ph)
{
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"post rewrite phase: %ui", r->phase_handler);
if (!r->uri_changed) {
r->phase_handler++;
return NGX_AGAIN;
}
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"uri changes: %d", r->uri_changes);
/*
* gcc before 3.3 compiles the broken code for
* if (r->uri_changes-- == 0)
* if the r->uri_changes is defined as
* unsigned uri_changes:4
*/
r->uri_changes--;
if (r->uri_changes == 0) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"rewrite or internal redirection cycle "
"while processing \"%V\"", &r->uri);
ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
return NGX_OK;
}
r->phase_handler = ph->next;
return NGX_AGAIN;
}
ngx_int_t
ngx_http_core_access_phase(ngx_http_request_t *r, ngx_http_phase_handler_t *ph)
{
ngx_int_t rc;
ngx_http_core_loc_conf_t *clcf;
if (r != r->main) {
r->phase_handler = ph->next;
return NGX_AGAIN;
}
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"access phase: %ui", r->phase_handler);
rc = ph->handler(r);
if (rc == NGX_DECLINED) {
r->phase_handler++;
return NGX_AGAIN;
}
if (rc == NGX_AGAIN || rc == NGX_DONE) {
return NGX_OK;
}
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
if (clcf->satisfy_any == 0) {
if (rc == NGX_OK) {
r->phase_handler++;
return NGX_AGAIN;
}
} else {
if (rc == NGX_OK) {
r->access_code = 0;
if (r->headers_out.www_authenticate) {
r->headers_out.www_authenticate->hash = 0;
}
r->phase_handler = ph->next;
return NGX_AGAIN;
}
if (rc == NGX_HTTP_FORBIDDEN || rc == NGX_HTTP_UNAUTHORIZED) {
r->access_code = rc;
r->phase_handler++;
return NGX_AGAIN;
}
}
/* rc == NGX_ERROR || rc == NGX_HTTP_... */
ngx_http_finalize_request(r, rc);
return NGX_OK;
}
ngx_int_t
ngx_http_core_post_access_phase(ngx_http_request_t *r,
ngx_http_phase_handler_t *ph)
{
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"post access phase: %ui", r->phase_handler);
if (r->access_code) {
if (r->access_code == NGX_HTTP_FORBIDDEN) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"access forbidden by rule");
}
ngx_http_finalize_request(r, r->access_code);
return NGX_OK;
}
r->phase_handler++;
return NGX_AGAIN;
}
ngx_int_t
ngx_http_core_content_phase(ngx_http_request_t *r,
ngx_http_phase_handler_t *ph)
{
size_t root;
ngx_int_t rc;
ngx_str_t path;
if (r->content_handler) {
r->write_event_handler = ngx_http_request_empty_handler;
ngx_http_finalize_request(r, r->content_handler(r));
return NGX_OK;
}
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"content phase: %ui", r->phase_handler);
rc = ph->handler(r);
if (rc == NGX_DONE) {
return NGX_OK;
}
if (rc != NGX_DECLINED) {
ngx_http_finalize_request(r, rc);
return NGX_OK;
}
/* rc == NGX_DECLINED */
ph++;
if (ph->checker) {
r->phase_handler++;
return NGX_AGAIN;
}
/* no content handler was found */
if (r->uri.data[r->uri.len - 1] == '/' && !r->zero_in_uri) {
if (ngx_http_map_uri_to_path(r, &path, &root, 0) != NULL) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"directory index of \"%s\" is forbidden", path.data);
}
ngx_http_finalize_request(r, NGX_HTTP_FORBIDDEN);
return NGX_OK;
}
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "no handler found");
ngx_http_finalize_request(r, NGX_HTTP_NOT_FOUND);
return NGX_OK;
}
void
ngx_http_update_location_config(ngx_http_request_t *r)
{
ngx_http_core_loc_conf_t *clcf;
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
if (r->method & clcf->limit_except) {
r->loc_conf = clcf->limit_except_loc_conf;
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
}
if (r == r->main) {
r->connection->log->file = clcf->err_log->file;
if (!(r->connection->log->log_level & NGX_LOG_DEBUG_CONNECTION)) {
r->connection->log->log_level = clcf->err_log->log_level;
}
}
if ((ngx_io.flags & NGX_IO_SENDFILE) && clcf->sendfile) {
r->connection->sendfile = 1;
} else {
r->connection->sendfile = 0;
}
if (clcf->client_body_in_file_only) {
r->request_body_in_file_only = 1;
r->request_body_in_persistent_file = 1;
r->request_body_in_clean_file =
clcf->client_body_in_file_only == NGX_HTTP_REQUEST_BODY_FILE_CLEAN;
r->request_body_file_log_level = NGX_LOG_NOTICE;
} else {
r->request_body_file_log_level = NGX_LOG_WARN;
}
if (r->keepalive && clcf->keepalive_timeout == 0) {
r->keepalive = 0;
}
if (!clcf->tcp_nopush) {
/* disable TCP_NOPUSH/TCP_CORK use */
r->connection->tcp_nopush = NGX_TCP_NOPUSH_DISABLED;
}
if (r->limit_rate == 0) {
r->limit_rate = clcf->limit_rate;
}
if (clcf->handler) {
r->content_handler = clcf->handler;
}
}
static ngx_int_t
ngx_http_core_find_location(ngx_http_request_t *r,
ngx_array_t *locations, ngx_uint_t regex_start, size_t len)
{
ngx_int_t n, rc;
ngx_uint_t i, found;
ngx_http_core_loc_conf_t *clcf, **clcfp;
#if (NGX_PCRE)
ngx_uint_t noregex;
#endif
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"find location for \"%V\"", &r->uri);
found = 0;
#if (NGX_PCRE)
noregex = 0;
#endif
clcfp = locations->elts;
for (i = 0; i < locations->nelts; i++) {
if (clcfp[i]->noname
#if (NGX_PCRE)
|| clcfp[i]->regex
#endif
|| clcfp[i]->named)
{
break;
}
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"find location: %s\"%V\"",
clcfp[i]->exact_match ? "= " : "", &clcfp[i]->name);
if (clcfp[i]->auto_redirect
&& r->uri.len == clcfp[i]->name.len - 1
&& ngx_strncmp(r->uri.data, clcfp[i]->name.data,
clcfp[i]->name.len - 1)
== 0)
{
/* the locations are lexicographically sorted */
r->loc_conf = clcfp[i]->loc_conf;
return NGX_HTTP_LOCATION_AUTO_REDIRECT;
}
if (r->uri.len < clcfp[i]->name.len) {
continue;
}
n = ngx_strncmp(r->uri.data, clcfp[i]->name.data, clcfp[i]->name.len);
if (n < 0) {
/* the locations are lexicographically sorted */
break;
}
if (n == 0) {
if (clcfp[i]->exact_match) {
if (r->uri.len == clcfp[i]->name.len) {
r->loc_conf = clcfp[i]->loc_conf;
return NGX_HTTP_LOCATION_EXACT;
}
continue;
}
if (len > clcfp[i]->name.len) {
/* the previous match is longer */
break;
}
found = 1;
r->loc_conf = clcfp[i]->loc_conf;
#if (NGX_PCRE)
noregex = clcfp[i]->noregex;
#endif
}
}
if (found) {
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
if (clcf->locations) {
rc = ngx_http_core_find_location(r, clcf->locations,
clcf->regex_start, len);
if (rc != NGX_OK) {
return rc;
}
}
}
#if (NGX_PCRE)
if (noregex) {
return NGX_HTTP_LOCATION_NOREGEX;
}
/* regex matches */
for (i = regex_start; i < locations->nelts; i++) {
if (!clcfp[i]->regex) {
break;
}
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"find location: ~ \"%V\"", &clcfp[i]->name);
n = ngx_regex_exec(clcfp[i]->regex, &r->uri, NULL, 0);
if (n == NGX_REGEX_NO_MATCHED) {
continue;
}
if (n < 0) {
ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
ngx_regex_exec_n
" failed: %d on \"%V\" using \"%V\"",
n, &r->uri, &clcfp[i]->name);
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
/* match */
r->loc_conf = clcfp[i]->loc_conf;
return NGX_HTTP_LOCATION_REGEX;
}
#endif /* NGX_PCRE */
return NGX_OK;
}
ngx_int_t
ngx_http_set_content_type(ngx_http_request_t *r)
{
u_char c, *p, *exten;
ngx_str_t *type;
ngx_uint_t i, hash;
ngx_http_core_loc_conf_t *clcf;
if (r->headers_out.content_type.len) {
return NGX_OK;
}
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
if (r->exten.len) {
hash = 0;
for (i = 0; i < r->exten.len; i++) {
c = r->exten.data[i];
if (c >= 'A' && c <= 'Z') {
p = ngx_palloc(r->pool, r->exten.len);
if (p == NULL) {
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
hash = 0;
exten = p;
for (i = 0; i < r->exten.len; i++) {
c = ngx_tolower(r->exten.data[i]);
hash = ngx_hash(hash, c);
*p++ = c;
}
r->exten.data = exten;
break;
}
hash = ngx_hash(hash, c);
}
type = ngx_hash_find(&clcf->types_hash, hash,
r->exten.data, r->exten.len);
if (type) {
r->headers_out.content_type_len = type->len;
r->headers_out.content_type = *type;
return NGX_OK;
}
}
r->headers_out.content_type_len = clcf->default_type.len;
r->headers_out.content_type = clcf->default_type;
return NGX_OK;
}
ngx_int_t
ngx_http_set_exten(ngx_http_request_t *r)
{
ngx_int_t i;
r->exten.len = 0;
r->exten.data = NULL;
for (i = r->uri.len - 1; i > 1; i--) {
if (r->uri.data[i] == '.' && r->uri.data[i - 1] != '/') {
r->exten.len = r->uri.len - i - 1;
r->exten.data = &r->uri.data[i + 1];
break;
} else if (r->uri.data[i] == '/') {
break;
}
}
return NGX_OK;
}
ngx_int_t
ngx_http_send_header(ngx_http_request_t *r)
{
if (r->err_status) {
r->headers_out.status = r->err_status;
r->headers_out.status_line.len = 0;
}
return ngx_http_top_header_filter(r);
}
ngx_int_t
ngx_http_output_filter(ngx_http_request_t *r, ngx_chain_t *in)
{
ngx_int_t rc;
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"http output filter \"%V?%V\"", &r->uri, &r->args);
rc = ngx_http_top_body_filter(r, in);
if (rc == NGX_ERROR) {
/* NGX_ERROR may be returned by any filter */
r->connection->error = 1;
}
return rc;
}
u_char *
ngx_http_map_uri_to_path(ngx_http_request_t *r, ngx_str_t *path,
size_t *root_length, size_t reserved)
{
u_char *last;
size_t alias;
ngx_http_core_loc_conf_t *clcf;
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
alias = clcf->alias ? clcf->name.len : 0;
if (alias && !r->valid_location) {
ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
"\"alias\" could not be used in location \"%V\" "
"where URI was rewritten", &clcf->name);
return NULL;
}
reserved += r->uri.len - alias + 1;
if (clcf->root_lengths == NULL) {
*root_length = clcf->root.len;
path->len = clcf->root.len + reserved;
path->data = ngx_palloc(r->pool, path->len);
if (path->data == NULL) {
return NULL;
}
last = ngx_copy(path->data, clcf->root.data, clcf->root.len);
} else {
if (ngx_http_script_run(r, path, clcf->root_lengths->elts, reserved,
clcf->root_values->elts)
== NULL)
{
return NULL;
}
if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, path, 0)== NGX_ERROR)
{
return NULL;
}
*root_length = path->len - reserved;
last = path->data + *root_length;
}
last = ngx_cpystrn(last, r->uri.data + alias, r->uri.len - alias + 1);
return last;
}
ngx_int_t
ngx_http_auth_basic_user(ngx_http_request_t *r)
{
ngx_str_t auth, encoded;
ngx_uint_t len;
if (r->headers_in.user.len == 0 && r->headers_in.user.data != NULL) {
return NGX_DECLINED;
}
if (r->headers_in.authorization == NULL) {
r->headers_in.user.data = (u_char *) "";
return NGX_DECLINED;
}
encoded = r->headers_in.authorization->value;
if (encoded.len < sizeof("Basic ") - 1
|| ngx_strncasecmp(encoded.data, (u_char *) "Basic ",
sizeof("Basic ") - 1)
!= 0)
{
r->headers_in.user.data = (u_char *) "";
return NGX_DECLINED;
}
encoded.len -= sizeof("Basic ") - 1;
encoded.data += sizeof("Basic ") - 1;
while (encoded.len && encoded.data[0] == ' ') {
encoded.len--;
encoded.data++;
}
if (encoded.len == 0) {
r->headers_in.user.data = (u_char *) "";
return NGX_DECLINED;
}
auth.len = ngx_base64_decoded_length(encoded.len);
auth.data = ngx_palloc(r->pool, auth.len + 1);
if (auth.data == NULL) {
return NGX_ERROR;
}
if (ngx_decode_base64(&auth, &encoded) != NGX_OK) {
r->headers_in.user.data = (u_char *) "";
return NGX_DECLINED;
}
auth.data[auth.len] = '\0';
for (len = 0; len < auth.len; len++) {
if (auth.data[len] == ':') {
break;
}
}
if (len == 0 || len == auth.len) {
r->headers_in.user.data = (u_char *) "";
return NGX_DECLINED;
}
r->headers_in.user.len = len;
r->headers_in.user.data = auth.data;
r->headers_in.passwd.len = auth.len - len - 1;
r->headers_in.passwd.data = &auth.data[len + 1];
return NGX_OK;
}
ngx_int_t
ngx_http_subrequest(ngx_http_request_t *r,
ngx_str_t *uri, ngx_str_t *args, ngx_http_request_t **psr,
ngx_http_post_subrequest_t *ps, ngx_uint_t flags)
{
ngx_connection_t *c;
ngx_http_request_t *sr;
ngx_http_log_ctx_t *ctx;
ngx_http_core_srv_conf_t *cscf;
ngx_http_postponed_request_t *pr, *p;
r->main->subrequests--;
if (r->main->subrequests == 0) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"subrequests cycle while processing \"%V\"", uri);
r->main->subrequests = 1;
return NGX_ERROR;
}
sr = ngx_pcalloc(r->pool, sizeof(ngx_http_request_t));
if (sr == NULL) {
return NGX_ERROR;
}
sr->signature = NGX_HTTP_MODULE;
c = r->connection;
sr->connection = c;
sr->ctx = ngx_pcalloc(r->pool, sizeof(void *) * ngx_http_max_module);
if (sr->ctx == NULL) {
return NGX_ERROR;
}
if (ngx_list_init(&sr->headers_out.headers, r->pool, 20,
sizeof(ngx_table_elt_t))
== NGX_ERROR)
{
return NGX_ERROR;
}
cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
sr->main_conf = cscf->ctx->main_conf;
sr->srv_conf = cscf->ctx->srv_conf;
sr->loc_conf = cscf->ctx->loc_conf;
sr->pool = r->pool;
sr->headers_in = r->headers_in;
ngx_http_clear_content_length(sr);
ngx_http_clear_accept_ranges(sr);
ngx_http_clear_last_modified(sr);
sr->request_body = r->request_body;
sr->method = NGX_HTTP_GET;
sr->http_version = r->http_version;
sr->request_line = r->request_line;
sr->uri = *uri;
if (args) {
sr->args = *args;
}
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
"http subrequest \"%V?%V\"", uri, &sr->args);
sr->zero_in_uri = (flags & NGX_HTTP_ZERO_IN_URI) != 0;
sr->subrequest_in_memory = (flags & NGX_HTTP_SUBREQUEST_IN_MEMORY) != 0;
sr->unparsed_uri = r->unparsed_uri;
sr->method_name = r->method_name;
sr->http_protocol = r->http_protocol;
if (ngx_http_set_exten(sr) != NGX_OK) {
return NGX_ERROR;
}
sr->main = r->main;
sr->parent = r;
sr->post_subrequest = ps;
sr->read_event_handler = ngx_http_request_empty_handler;
sr->write_event_handler = ngx_http_request_empty_handler;
if (c->data == r) {
c->data = sr;
}
sr->in_addr = r->in_addr;
sr->port = r->port;
sr->port_text = r->port_text;
sr->server_name = r->server_name;
sr->variables = r->variables;
sr->log_handler = r->log_handler;
pr = ngx_palloc(r->pool, sizeof(ngx_http_postponed_request_t));
if (pr == NULL) {
return NGX_ERROR;
}
pr->request = sr;
pr->out = NULL;
pr->next = NULL;
if (r->postponed) {
for (p = r->postponed; p->next; p = p->next) { /* void */ }
p->next = pr;
} else {
r->postponed = pr;
}
ctx = c->log->data;
ctx->current_request = sr;
sr->internal = 1;
sr->fast_subrequest = 1;
sr->discard_body = r->discard_body;
sr->main_filter_need_in_memory = r->main_filter_need_in_memory;
sr->uri_changes = NGX_HTTP_MAX_URI_CHANGES + 1;
ngx_http_handler(sr);
if (!c->destroyed) {
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
"http subrequest done \"%V?%V\"", uri, &sr->args);
r->main->subrequests++;
*psr = sr;
if (sr->fast_subrequest) {
sr->fast_subrequest = 0;
if (sr->done) {
return NGX_OK;
}
}
return NGX_AGAIN;
}
return NGX_DONE;
}
ngx_int_t
ngx_http_internal_redirect(ngx_http_request_t *r,
ngx_str_t *uri, ngx_str_t *args)
{
ngx_http_core_srv_conf_t *cscf;
r->uri_changes--;
if (r->uri_changes == 0) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"rewrite or internal redirection cycle "
"while internal redirect to \"%V\"", uri);
ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
return NGX_DONE;
}
r->uri = *uri;
if (args) {
r->args = *args;
} else {
r->args.len = 0;
r->args.data = NULL;
}
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"internal redirect: \"%V?%V\"", uri, &r->args);
if (ngx_http_set_exten(r) != NGX_OK) {
ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
return NGX_DONE;
}
/* clear the modules contexts */
ngx_memzero(r->ctx, sizeof(void *) * ngx_http_max_module);
cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
r->loc_conf = cscf->ctx->loc_conf;
ngx_http_update_location_config(r);
r->internal = 1;
ngx_http_handler(r);
return NGX_DONE;
}
ngx_int_t
ngx_http_named_location(ngx_http_request_t *r, ngx_str_t *name)
{
ngx_uint_t i;
ngx_http_core_srv_conf_t *cscf;
ngx_http_core_loc_conf_t **clcfp;
ngx_http_core_main_conf_t *cmcf;
cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
clcfp = cscf->locations.elts;
for (i = cscf->named_start; i < cscf->locations.nelts; i++) {
if (name->len != clcfp[i]->name.len
|| ngx_strncmp(name->data, clcfp[i]->name.data, name->len) != 0)
{
continue;
}
ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"named location: %V \"%V?%V\"", name, &r->uri, &r->args);
r->internal = 1;
r->loc_conf = clcfp[i]->loc_conf;
ngx_http_update_location_config(r);
cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
r->phase_handler = cmcf->phase_engine.location_rewrite_index;
ngx_http_core_run_phases(r);
return NGX_DONE;
}
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"could not find named location \"%V\"", name);
ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
return NGX_DONE;
}
ngx_http_cleanup_t *
ngx_http_cleanup_add(ngx_http_request_t *r, size_t size)
{
ngx_http_cleanup_t *cln;
r = r->main;
cln = ngx_palloc(r->pool, sizeof(ngx_http_cleanup_t));
if (cln == NULL) {
return NULL;
}
if (size) {
cln->data = ngx_palloc(r->pool, size);
if (cln->data == NULL) {
return NULL;
}
} else {
cln->data = NULL;
}
cln->handler = NULL;
cln->next = r->cleanup;
r->cleanup = cln;
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"http cleanup add: %p", cln);
return cln;
}
static char *
ngx_http_core_server(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy)
{
char *rv;
void *mconf;
ngx_uint_t i;
ngx_conf_t pcf;
ngx_http_module_t *module;
ngx_http_conf_ctx_t *ctx, *http_ctx;
ngx_http_core_srv_conf_t *cscf, **cscfp;
ngx_http_core_loc_conf_t **clcfp;
ngx_http_core_main_conf_t *cmcf;
ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t));
if (ctx == NULL) {
return NGX_CONF_ERROR;
}
http_ctx = cf->ctx;
ctx->main_conf = http_ctx->main_conf;
/* the server{}'s srv_conf */
ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module);
if (ctx->srv_conf == NULL) {
return NGX_CONF_ERROR;
}
/* the server{}'s loc_conf */
ctx->loc_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module);
if (ctx->loc_conf == NULL) {
return NGX_CONF_ERROR;
}
for (i = 0; ngx_modules[i]; i++) {
if (ngx_modules[i]->type != NGX_HTTP_MODULE) {
continue;
}
module = ngx_modules[i]->ctx;
if (module->create_srv_conf) {
mconf = module->create_srv_conf(cf);
if (mconf == NULL) {
return NGX_CONF_ERROR;
}
ctx->srv_conf[ngx_modules[i]->ctx_index] = mconf;
}
if (module->create_loc_conf) {
mconf = module->create_loc_conf(cf);
if (mconf == NULL) {
return NGX_CONF_ERROR;
}
ctx->loc_conf[ngx_modules[i]->ctx_index] = mconf;
}
}
/* the server configuration context */
cscf = ctx->srv_conf[ngx_http_core_module.ctx_index];
cscf->ctx = ctx;
cmcf = ctx->main_conf[ngx_http_core_module.ctx_index];
cscfp = ngx_array_push(&cmcf->servers);
if (cscfp == NULL) {
return NGX_CONF_ERROR;
}
*cscfp = cscf;
/* parse inside server{} */
pcf = *cf;
cf->ctx = ctx;
cf->cmd_type = NGX_HTTP_SRV_CONF;
rv = ngx_conf_parse(cf, NULL);
*cf = pcf;
if (rv != NGX_CONF_OK) {
return rv;
}
ngx_sort(cscf->locations.elts, (size_t) cscf->locations.nelts,
sizeof(ngx_http_core_loc_conf_t *), ngx_http_core_cmp_locations);
clcfp = cscf->locations.elts;
#if (NGX_PCRE)
cscf->regex_start = cscf->locations.nelts;
for (i = 0; i < cscf->locations.nelts; i++) {
if (clcfp[i]->regex) {
cscf->regex_start = i;
break;
}
}
#endif
cscf->named_start = cscf->locations.nelts;
for (i = 0; i < cscf->locations.nelts; i++) {
if (clcfp[i]->named) {
cscf->named_start = i;
break;
}
}
return rv;
}
static char *
ngx_http_core_location(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy)
{
char *rv;
ngx_uint_t i;
ngx_str_t *value;
ngx_conf_t save;
ngx_http_module_t *module;
ngx_http_conf_ctx_t *ctx, *pctx;
ngx_http_core_srv_conf_t *cscf;
ngx_http_core_loc_conf_t *clcf, *pclcf, **clcfp;
ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t));
if (ctx == NULL) {
return NGX_CONF_ERROR;
}
pctx = cf->ctx;
ctx->main_conf = pctx->main_conf;
ctx->srv_conf = pctx->srv_conf;
ctx->loc_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module);
if (ctx->loc_conf == NULL) {
return NGX_CONF_ERROR;
}
for (i = 0; ngx_modules[i]; i++) {
if (ngx_modules[i]->type != NGX_HTTP_MODULE) {
continue;
}
module = ngx_modules[i]->ctx;
if (module->create_loc_conf) {
ctx->loc_conf[ngx_modules[i]->ctx_index] =
module->create_loc_conf(cf);
if (ctx->loc_conf[ngx_modules[i]->ctx_index] == NULL) {
return NGX_CONF_ERROR;
}
}
}
clcf = ctx->loc_conf[ngx_http_core_module.ctx_index];
clcf->loc_conf = ctx->loc_conf;
value = cf->args->elts;
if (cf->args->nelts == 3) {
if (value[1].len == 1 && value[1].data[0] == '=') {
clcf->name = value[2];
clcf->exact_match = 1;
} else if (value[1].len == 2
&& value[1].data[0] == '^'
&& value[1].data[1] == '~')
{
clcf->name = value[2];
clcf->noregex = 1;
} else if ((value[1].len == 1 && value[1].data[0] == '~')
|| (value[1].len == 2
&& value[1].data[0] == '~'
&& value[1].data[1] == '*'))
{
#if (NGX_PCRE)
ngx_str_t err;
u_char errstr[NGX_MAX_CONF_ERRSTR];
err.len = NGX_MAX_CONF_ERRSTR;
err.data = errstr;
clcf->regex = ngx_regex_compile(&value[2],
value[1].len == 2 ? NGX_REGEX_CASELESS: 0,
cf->pool, &err);
if (clcf->regex == NULL) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%s", err.data);
return NGX_CONF_ERROR;
}
clcf->name = value[2];
#else
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"the using of the regex \"%V\" "
"requires PCRE library", &value[2]);
return NGX_CONF_ERROR;
#endif
} else {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid location modifier \"%V\"", &value[1]);
return NGX_CONF_ERROR;
}
} else {
clcf->name = value[1];
if (value[1].data[0] == '@') {
clcf->named = 1;
}
}
pclcf = pctx->loc_conf[ngx_http_core_module.ctx_index];
if (pclcf->name.len == 0) {
cscf = ctx->srv_conf[ngx_http_core_module.ctx_index];
clcfp = ngx_array_push(&cscf->locations);
if (clcfp == NULL) {
return NGX_CONF_ERROR;
}
} else {
#if 0
clcf->prev_location = pclcf;
#endif
if (pclcf->exact_match) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"location \"%V\" could not be inside "
"the exact location \"%V\"",
&clcf->name, &pclcf->name);
return NGX_CONF_ERROR;
}
if (pclcf->named) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"location \"%V\" could not be inside "
"the named location \"%V\"",
&clcf->name, &pclcf->name);
return NGX_CONF_ERROR;
}
#if (NGX_PCRE)
if (clcf->regex == NULL
&& ngx_strncmp(clcf->name.data, pclcf->name.data, pclcf->name.len)
!= 0)
#else
if (ngx_strncmp(clcf->name.data, pclcf->name.data, pclcf->name.len)
!= 0)
#endif
{
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"location \"%V\" is outside location \"%V\"",
&clcf->name, &pclcf->name);
return NGX_CONF_ERROR;
}
if (pclcf->locations == NULL) {
pclcf->locations = ngx_array_create(cf->pool, 2, sizeof(void *));
if (pclcf->locations == NULL) {
return NGX_CONF_ERROR;
}
}
clcfp = ngx_array_push(pclcf->locations);
if (clcfp == NULL) {
return NGX_CONF_ERROR;
}
}
*clcfp = clcf;
save = *cf;
cf->ctx = ctx;
cf->cmd_type = NGX_HTTP_LOC_CONF;
rv = ngx_conf_parse(cf, NULL);
*cf = save;
if (rv != NGX_CONF_OK) {
return rv;
}
if (clcf->locations == NULL) {
return rv;
}
ngx_sort(clcf->locations->elts, (size_t) clcf->locations->nelts,
sizeof(ngx_http_core_loc_conf_t *), ngx_http_core_cmp_locations);
#if (NGX_PCRE)
clcf->regex_start = clcf->locations->nelts;
clcfp = clcf->locations->elts;
for (i = 0; i < clcf->locations->nelts; i++) {
if (clcfp[i]->regex) {
clcf->regex_start = i;
break;
}
}
#endif
return rv;
}
static int
ngx_http_core_cmp_locations(const void *one, const void *two)
{
ngx_int_t rc;
ngx_http_core_loc_conf_t *first, *second;
first = *(ngx_http_core_loc_conf_t **) one;
second = *(ngx_http_core_loc_conf_t **) two;
if (first->named && !second->named) {
/* shift named locations to the end */
return 1;
}
if (!first->named && second->named) {
/* shift named locations to the end */
return -1;
}
if (first->named && second->named) {
return ngx_strcmp(first->name.data, second->name.data);
}
if (first->noname && !second->noname) {
/* shift no named locations to the end */
return 1;
}
if (!first->noname && second->noname) {
/* shift no named locations to the end */
return -1;
}
if (first->noname || second->noname) {
/* do not sort no named locations */
return 0;
}
#if (NGX_PCRE)
if (first->regex && !second->regex) {
/* shift the regex matches to the end */
return 1;
}
if (!first->regex && second->regex) {
/* shift the regex matches to the end */
return -1;
}
if (first->regex || second->regex) {
/* do not sort the regex matches */
return 0;
}
#endif
rc = ngx_strcmp(first->name.data, second->name.data);
if (rc == 0 && second->exact_match) {
/* an exact match must be before the same inclusive one */
return 1;
}
return (int) rc;
}
static char *
ngx_http_core_types(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_core_loc_conf_t *lcf = conf;
char *rv;
ngx_conf_t save;
if (lcf->types == NULL) {
lcf->types = ngx_array_create(cf->pool, 64, sizeof(ngx_hash_key_t));
if (lcf->types == NULL) {
return NGX_CONF_ERROR;
}
}
save = *cf;
cf->handler = ngx_http_core_type;
cf->handler_conf = conf;
rv = ngx_conf_parse(cf, NULL);
*cf = save;
return rv;
}
static char *
ngx_http_core_type(ngx_conf_t *cf, ngx_command_t *dummy, void *conf)
{
ngx_http_core_loc_conf_t *lcf = conf;
ngx_str_t *value, *content_type, *old, file;
ngx_uint_t i, n;
ngx_hash_key_t *type;
value = cf->args->elts;
if (ngx_strcmp(value[0].data, "include") == 0) {
file = value[1];
if (ngx_conf_full_name(cf->cycle, &file, 1) == NGX_ERROR){
return NGX_CONF_ERROR;
}
ngx_log_debug1(NGX_LOG_DEBUG_CORE, cf->log, 0, "include %s", file.data);
return ngx_conf_parse(cf, &file);
}
content_type = ngx_palloc(cf->pool, sizeof(ngx_str_t));
if (content_type == NULL) {
return NGX_CONF_ERROR;
}
*content_type = value[0];
for (i = 1; i < cf->args->nelts; i++) {
for (n = 0; n < value[i].len; n++) {
value[i].data[n] = ngx_tolower(value[i].data[n]);
}
type = lcf->types->elts;
for (n = 0; n < lcf->types->nelts; n++) {
if (ngx_strcmp(value[i].data, type[n].key.data) == 0) {
old = type[n].value;
type[n].value = content_type;
ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
"duplicate extention \"%V\", "
"content type: \"%V\", "
"old content type: \"%V\"",
&value[i], content_type, old);
continue;
}
}
type = ngx_array_push(lcf->types);
if (type == NULL) {
return NGX_CONF_ERROR;
}
type->key = value[i];
type->key_hash = ngx_hash_key(value[i].data, value[i].len);
type->value = content_type;
}
return NGX_CONF_OK;
}
static ngx_int_t
ngx_http_core_preconfiguration(ngx_conf_t *cf)
{
return ngx_http_variables_add_core_vars(cf);
}
static void *
ngx_http_core_create_main_conf(ngx_conf_t *cf)
{
ngx_http_core_main_conf_t *cmcf;
cmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_core_main_conf_t));
if (cmcf == NULL) {
return NGX_CONF_ERROR;
}
if (ngx_array_init(&cmcf->servers, cf->pool, 4,
sizeof(ngx_http_core_srv_conf_t *))
!= NGX_OK)
{
return NGX_CONF_ERROR;
}
cmcf->server_names_hash_max_size = NGX_CONF_UNSET_UINT;
cmcf->server_names_hash_bucket_size = NGX_CONF_UNSET_UINT;
cmcf->variables_hash_max_size = NGX_CONF_UNSET_UINT;
cmcf->variables_hash_bucket_size = NGX_CONF_UNSET_UINT;
return cmcf;
}
static char *
ngx_http_core_init_main_conf(ngx_conf_t *cf, void *conf)
{
ngx_http_core_main_conf_t *cmcf = conf;
if (cmcf->server_names_hash_max_size == NGX_CONF_UNSET_UINT) {
cmcf->server_names_hash_max_size = 512;
}
if (cmcf->server_names_hash_bucket_size == NGX_CONF_UNSET_UINT) {
cmcf->server_names_hash_bucket_size = ngx_cacheline_size;
}
cmcf->server_names_hash_bucket_size =
ngx_align(cmcf->server_names_hash_bucket_size, ngx_cacheline_size);
if (cmcf->variables_hash_max_size == NGX_CONF_UNSET_UINT) {
cmcf->variables_hash_max_size = 512;
}
if (cmcf->variables_hash_bucket_size == NGX_CONF_UNSET_UINT) {
cmcf->variables_hash_bucket_size = 64;
}
cmcf->variables_hash_bucket_size =
ngx_align(cmcf->variables_hash_bucket_size, ngx_cacheline_size);
return NGX_CONF_OK;
}
static void *
ngx_http_core_create_srv_conf(ngx_conf_t *cf)
{
ngx_http_core_srv_conf_t *cscf;
cscf = ngx_pcalloc(cf->pool, sizeof(ngx_http_core_srv_conf_t));
if (cscf == NULL) {
return NGX_CONF_ERROR;
}
/*
* set by ngx_pcalloc():
*
* conf->client_large_buffers.num = 0;
*/
if (ngx_array_init(&cscf->locations, cf->pool, 4, sizeof(void *))
== NGX_ERROR)
{
return NGX_CONF_ERROR;
}
if (ngx_array_init(&cscf->listen, cf->pool, 4, sizeof(ngx_http_listen_t))
== NGX_ERROR)
{
return NGX_CONF_ERROR;
}
if (ngx_array_init(&cscf->server_names, cf->temp_pool, 4,
sizeof(ngx_http_server_name_t))
== NGX_ERROR)
{
return NGX_CONF_ERROR;
}
cscf->connection_pool_size = NGX_CONF_UNSET_SIZE;
cscf->request_pool_size = NGX_CONF_UNSET_SIZE;
cscf->client_header_timeout = NGX_CONF_UNSET_MSEC;
cscf->client_header_buffer_size = NGX_CONF_UNSET_SIZE;
cscf->optimize_server_names = NGX_CONF_UNSET;
cscf->ignore_invalid_headers = NGX_CONF_UNSET;
cscf->merge_slashes = NGX_CONF_UNSET;
return cscf;
}
static char *
ngx_http_core_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child)
{
ngx_http_core_srv_conf_t *prev = parent;
ngx_http_core_srv_conf_t *conf = child;
ngx_http_listen_t *ls;
ngx_http_server_name_t *sn;
/* TODO: it does not merge, it inits only */
if (conf->listen.nelts == 0) {
ls = ngx_array_push(&conf->listen);
if (ls == NULL) {
return NGX_CONF_ERROR;
}
ngx_memzero(ls, sizeof(ngx_http_listen_t));
ls->addr = INADDR_ANY;
#if (NGX_WIN32)
ls->port = 80;
#else
/* STUB: getuid() should be cached */
ls->port = (getuid() == 0) ? 80 : 8000;
#endif
ls->family = AF_INET;
ls->conf.backlog = NGX_LISTEN_BACKLOG;
ls->conf.rcvbuf = -1;
ls->conf.sndbuf = -1;
}
if (conf->server_name.data == NULL) {
conf->server_name.data = ngx_palloc(cf->pool, NGX_MAXHOSTNAMELEN);
if (conf->server_name.data == NULL) {
return NGX_CONF_ERROR;
}
if (gethostname((char *) conf->server_name.data, NGX_MAXHOSTNAMELEN)
== -1)
{
ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
"gethostname() failed");
return NGX_CONF_ERROR;
}
conf->server_name.len = ngx_strlen(conf->server_name.data);
sn = ngx_array_push(&conf->server_names);
if (sn == NULL) {
return NGX_CONF_ERROR;
}
#if (NGX_PCRE)
sn->regex = NULL;
#endif
sn->core_srv_conf = conf;
sn->name.len = conf->server_name.len;
sn->name.data = conf->server_name.data;
}
ngx_conf_merge_size_value(conf->connection_pool_size,
prev->connection_pool_size, 256);
ngx_conf_merge_size_value(conf->request_pool_size,
prev->request_pool_size, 4096);
ngx_conf_merge_msec_value(conf->client_header_timeout,
prev->client_header_timeout, 60000);
ngx_conf_merge_size_value(conf->client_header_buffer_size,
prev->client_header_buffer_size, 1024);
ngx_conf_merge_bufs_value(conf->large_client_header_buffers,
prev->large_client_header_buffers,
4, ngx_pagesize);
if (conf->large_client_header_buffers.size < conf->connection_pool_size) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"the \"large_client_header_buffers\" size must be "
"equal to or bigger than \"connection_pool_size\"");
return NGX_CONF_ERROR;
}
ngx_conf_merge_value(conf->optimize_server_names,
prev->optimize_server_names, 1);
ngx_conf_merge_value(conf->ignore_invalid_headers,
prev->ignore_invalid_headers, 1);
ngx_conf_merge_value(conf->merge_slashes, prev->merge_slashes, 1);
return NGX_CONF_OK;
}
static void *
ngx_http_core_create_loc_conf(ngx_conf_t *cf)
{
ngx_http_core_loc_conf_t *lcf;
lcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_core_loc_conf_t));
if (lcf == NULL) {
return NGX_CONF_ERROR;
}
/*
* set by ngx_pcalloc():
*
* lcf->root = { 0, NULL };
* lcf->limit_except = 0;
* lcf->post_action = { 0, NULL };
* lcf->types = NULL;
* lcf->default_type = { 0, NULL };
* lcf->err_log = NULL;
* lcf->error_pages = NULL;
* lcf->client_body_path = NULL;
* lcf->regex = NULL;
* lcf->exact_match = 0;
* lcf->auto_redirect = 0;
* lcf->alias = 0;
*/
lcf->client_max_body_size = NGX_CONF_UNSET;
lcf->client_body_buffer_size = NGX_CONF_UNSET_SIZE;
lcf->client_body_timeout = NGX_CONF_UNSET_MSEC;
lcf->satisfy_any = NGX_CONF_UNSET;
lcf->internal = NGX_CONF_UNSET;
lcf->client_body_in_file_only = NGX_CONF_UNSET;
lcf->sendfile = NGX_CONF_UNSET;
lcf->sendfile_max_chunk = NGX_CONF_UNSET_SIZE;
lcf->tcp_nopush = NGX_CONF_UNSET;
lcf->tcp_nodelay = NGX_CONF_UNSET;
lcf->send_timeout = NGX_CONF_UNSET_MSEC;
lcf->send_lowat = NGX_CONF_UNSET_SIZE;
lcf->postpone_output = NGX_CONF_UNSET_SIZE;
lcf->limit_rate = NGX_CONF_UNSET_SIZE;
lcf->keepalive_timeout = NGX_CONF_UNSET_MSEC;
lcf->keepalive_header = NGX_CONF_UNSET;
lcf->lingering_time = NGX_CONF_UNSET_MSEC;
lcf->lingering_timeout = NGX_CONF_UNSET_MSEC;
lcf->resolver_timeout = NGX_CONF_UNSET_MSEC;
lcf->reset_timedout_connection = NGX_CONF_UNSET;
lcf->port_in_redirect = NGX_CONF_UNSET;
lcf->msie_padding = NGX_CONF_UNSET;
lcf->msie_refresh = NGX_CONF_UNSET;
lcf->log_not_found = NGX_CONF_UNSET;
lcf->recursive_error_pages = NGX_CONF_UNSET;
lcf->server_tokens = NGX_CONF_UNSET;
lcf->types_hash_max_size = NGX_CONF_UNSET_UINT;
lcf->types_hash_bucket_size = NGX_CONF_UNSET_UINT;
lcf->open_file_cache = NGX_CONF_UNSET_PTR;
lcf->open_file_cache_retest = NGX_CONF_UNSET;
lcf->open_file_cache_errors = NGX_CONF_UNSET;
lcf->open_file_cache_events = NGX_CONF_UNSET;
return lcf;
}
static ngx_str_t ngx_http_core_text_html_type = ngx_string("text/html");
static ngx_str_t ngx_http_core_image_gif_type = ngx_string("image/gif");
static ngx_str_t ngx_http_core_image_jpeg_type = ngx_string("image/jpeg");
static ngx_hash_key_t ngx_http_core_default_types[] = {
{ ngx_string("html"), 0, &ngx_http_core_text_html_type },
{ ngx_string("gif"), 0, &ngx_http_core_image_gif_type },
{ ngx_string("jpg"), 0, &ngx_http_core_image_jpeg_type },
{ ngx_null_string, 0, NULL }
};
static char *
ngx_http_core_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
{
ngx_http_core_loc_conf_t *prev = parent;
ngx_http_core_loc_conf_t *conf = child;
ngx_uint_t i;
ngx_hash_key_t *type;
ngx_hash_init_t types_hash;
if (conf->root.data == NULL) {
conf->alias = prev->alias;
conf->root = prev->root;
conf->root_lengths = prev->root_lengths;
conf->root_values = prev->root_values;
if (prev->root.data == NULL) {
conf->root.len = sizeof("html") - 1;
conf->root.data = (u_char *) "html";
if (ngx_conf_full_name(cf->cycle, &conf->root, 0) == NGX_ERROR) {
return NGX_CONF_ERROR;
}
}
}
if (conf->post_action.data == NULL) {
conf->post_action = prev->post_action;
}
ngx_conf_merge_uint_value(conf->types_hash_max_size,
prev->types_hash_max_size, 1024);
ngx_conf_merge_uint_value(conf->types_hash_bucket_size,
prev->types_hash_bucket_size,
ngx_cacheline_size);
conf->types_hash_bucket_size = ngx_align(conf->types_hash_bucket_size,
ngx_cacheline_size);
/*
* the special handling the "types" directive in the "http" section
* to inherit the http's conf->types_hash to all servers
*/
if (prev->types && prev->types_hash.buckets == NULL) {
types_hash.hash = &prev->types_hash;
types_hash.key = ngx_hash_key_lc;
types_hash.max_size = conf->types_hash_max_size;
types_hash.bucket_size = conf->types_hash_bucket_size;
types_hash.name = "types_hash";
types_hash.pool = cf->pool;
types_hash.temp_pool = NULL;
if (ngx_hash_init(&types_hash, prev->types->elts, prev->types->nelts)
!= NGX_OK)
{
return NGX_CONF_ERROR;
}
}
if (conf->types == NULL) {
conf->types = prev->types;
conf->types_hash = prev->types_hash;
}
if (conf->types == NULL) {
conf->types = ngx_array_create(cf->pool, 4, sizeof(ngx_hash_key_t));
if (conf->types == NULL) {
return NGX_CONF_ERROR;
}
for (i = 0; ngx_http_core_default_types[i].key.len; i++) {
type = ngx_array_push(conf->types);
if (type == NULL) {
return NGX_CONF_ERROR;
}
type->key = ngx_http_core_default_types[i].key;
type->key_hash =
ngx_hash_key_lc(ngx_http_core_default_types[i].key.data,
ngx_http_core_default_types[i].key.len);
type->value = ngx_http_core_default_types[i].value;
}
}
if (conf->types_hash.buckets == NULL) {
types_hash.hash = &conf->types_hash;
types_hash.key = ngx_hash_key_lc;
types_hash.max_size = conf->types_hash_max_size;
types_hash.bucket_size = conf->types_hash_bucket_size;
types_hash.name = "mime_types_hash";
types_hash.pool = cf->pool;
types_hash.temp_pool = NULL;
if (ngx_hash_init(&types_hash, conf->types->elts, conf->types->nelts)
!= NGX_OK)
{
return NGX_CONF_ERROR;
}
}
if (conf->err_log == NULL) {
if (prev->err_log) {
conf->err_log = prev->err_log;
} else {
conf->err_log = cf->cycle->new_log;
}
}
if (conf->error_pages == NULL && prev->error_pages) {
conf->error_pages = prev->error_pages;
}
ngx_conf_merge_str_value(conf->default_type,
prev->default_type, "text/plain");
ngx_conf_merge_off_value(conf->client_max_body_size,
prev->client_max_body_size, 1 * 1024 * 1024);
ngx_conf_merge_size_value(conf->client_body_buffer_size,
prev->client_body_buffer_size,
(size_t) 2 * ngx_pagesize);
ngx_conf_merge_msec_value(conf->client_body_timeout,
prev->client_body_timeout, 60000);
ngx_conf_merge_value(conf->satisfy_any, prev->satisfy_any, 0);
ngx_conf_merge_value(conf->internal, prev->internal, 0);
ngx_conf_merge_value(conf->client_body_in_file_only,
prev->client_body_in_file_only, 0);
ngx_conf_merge_value(conf->sendfile, prev->sendfile, 0);
ngx_conf_merge_size_value(conf->sendfile_max_chunk,
prev->sendfile_max_chunk, 0);
ngx_conf_merge_value(conf->tcp_nopush, prev->tcp_nopush, 0);
ngx_conf_merge_value(conf->tcp_nodelay, prev->tcp_nodelay, 1);
ngx_conf_merge_msec_value(conf->send_timeout, prev->send_timeout, 60000);
ngx_conf_merge_size_value(conf->send_lowat, prev->send_lowat, 0);
ngx_conf_merge_size_value(conf->postpone_output, prev->postpone_output,
1460);
ngx_conf_merge_size_value(conf->limit_rate, prev->limit_rate, 0);
ngx_conf_merge_msec_value(conf->keepalive_timeout,
prev->keepalive_timeout, 75000);
ngx_conf_merge_sec_value(conf->keepalive_header,
prev->keepalive_header, 0);
ngx_conf_merge_msec_value(conf->lingering_time,
prev->lingering_time, 30000);
ngx_conf_merge_msec_value(conf->lingering_timeout,
prev->lingering_timeout, 5000);
ngx_conf_merge_msec_value(conf->resolver_timeout,
prev->resolver_timeout, 30000);
if (conf->resolver == NULL) {
conf->resolver = prev->resolver;
if (conf->resolver == NULL) {
conf->resolver = ngx_resolver_create(NULL, cf->cycle->new_log);
if (conf->resolver == NULL) {
return NGX_OK;
}
}
}
ngx_conf_merge_path_value(conf->client_body_temp_path,
prev->client_body_temp_path,
NGX_HTTP_CLIENT_TEMP_PATH, 0, 0, 0,
ngx_garbage_collector_temp_handler, cf);
ngx_conf_merge_value(conf->reset_timedout_connection,
prev->reset_timedout_connection, 0);
ngx_conf_merge_value(conf->port_in_redirect, prev->port_in_redirect, 1);
ngx_conf_merge_value(conf->msie_padding, prev->msie_padding, 1);
ngx_conf_merge_value(conf->msie_refresh, prev->msie_refresh, 0);
ngx_conf_merge_value(conf->log_not_found, prev->log_not_found, 1);
ngx_conf_merge_value(conf->recursive_error_pages,
prev->recursive_error_pages, 0);
ngx_conf_merge_value(conf->server_tokens, prev->server_tokens, 1);
ngx_conf_merge_ptr_value(conf->open_file_cache,
prev->open_file_cache, NULL);
ngx_conf_merge_sec_value(conf->open_file_cache_retest,
prev->open_file_cache_retest, 60);
ngx_conf_merge_sec_value(conf->open_file_cache_errors,
prev->open_file_cache_errors, 0);
ngx_conf_merge_sec_value(conf->open_file_cache_events,
prev->open_file_cache_events, 0);
return NGX_CONF_OK;
}
/* AF_INET only */
static char *
ngx_http_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_core_srv_conf_t *scf = conf;
ngx_str_t *value, size;
ngx_url_t u;
ngx_uint_t n;
ngx_http_listen_t *ls;
/*
* TODO: check duplicate 'listen' directives,
* add resolved name to server names ???
*/
value = cf->args->elts;
ngx_memzero(&u, sizeof(ngx_url_t));
u.url = value[1];
u.listen = 1;
u.default_port = 80;
if (ngx_parse_url(cf->pool, &u) != NGX_OK) {
if (u.err) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"%s in \"%V\" of the \"listen\" directive",
u.err, &u.url);
}
return NGX_CONF_ERROR;
}
ls = ngx_array_push(&scf->listen);
if (ls == NULL) {
return NGX_CONF_ERROR;
}
ngx_memzero(ls, sizeof(ngx_http_listen_t));
ls->family = AF_INET;
ls->addr = u.addr.in_addr;
ls->port = u.port;
ls->file_name = cf->conf_file->file.name.data;
ls->line = cf->conf_file->line;
ls->conf.backlog = NGX_LISTEN_BACKLOG;
ls->conf.rcvbuf = -1;
ls->conf.sndbuf = -1;
n = ngx_inet_ntop(AF_INET, &ls->addr, ls->conf.addr, INET_ADDRSTRLEN + 6);
ngx_sprintf(&ls->conf.addr[n], ":%ui", ls->port);
if (cf->args->nelts == 2) {
return NGX_CONF_OK;
}
if (ngx_strcmp(value[2].data, "default") == 0) {
ls->conf.default_server = 1;
n = 3;
} else {
n = 2;
}
for ( /* void */ ; n < cf->args->nelts; n++) {
if (ls->conf.default_server == 0) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"\"%V\" parameter can be specified for "
"the default \"listen\" directive only",
&value[n]);
return NGX_CONF_ERROR;
}
if (ngx_strcmp(value[n].data, "bind") == 0) {
ls->conf.bind = 1;
continue;
}
if (ngx_strncmp(value[n].data, "backlog=", 8) == 0) {
ls->conf.backlog = ngx_atoi(value[n].data + 8, value[n].len - 8);
ls->conf.bind = 1;
if (ls->conf.backlog == NGX_ERROR || ls->conf.backlog == 0) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid backlog \"%V\"", &value[n]);
return NGX_CONF_ERROR;
}
continue;
}
if (ngx_strncmp(value[n].data, "rcvbuf=", 7) == 0) {
size.len = value[n].len - 7;
size.data = value[n].data + 7;
ls->conf.rcvbuf = ngx_parse_size(&size);
ls->conf.bind = 1;
if (ls->conf.rcvbuf == NGX_ERROR) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid rcvbuf \"%V\"", &value[n]);
return NGX_CONF_ERROR;
}
continue;
}
if (ngx_strncmp(value[n].data, "sndbuf=", 7) == 0) {
size.len = value[n].len - 7;
size.data = value[n].data + 7;
ls->conf.sndbuf = ngx_parse_size(&size);
ls->conf.bind = 1;
if (ls->conf.sndbuf == NGX_ERROR) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid sndbuf \"%V\"", &value[n]);
return NGX_CONF_ERROR;
}
continue;
}
if (ngx_strncmp(value[n].data, "accept_filter=", 14) == 0) {
#if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
ls->conf.accept_filter = (char *) &value[n].data[14];
ls->conf.bind = 1;
#else
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"accept filters \"%V\" are not supported "
"on this platform, ignored",
&value[n]);
#endif
continue;
}
if (ngx_strcmp(value[n].data, "deferred") == 0) {
#if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
ls->conf.deferred_accept = 1;
ls->conf.bind = 1;
#else
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"the deferred accept is not supported "
"on this platform, ignored");
#endif
continue;
}
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"the invalid \"%V\" parameter", &value[n]);
return NGX_CONF_ERROR;
}
return NGX_CONF_OK;
}
static char *
ngx_http_core_server_name(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_core_srv_conf_t *cscf = conf;
u_char ch;
ngx_str_t *value, name;
ngx_uint_t i;
ngx_http_server_name_t *sn;
value = cf->args->elts;
ch = value[1].data[0];
if (cscf->server_name.data == NULL && value[1].len) {
if (ngx_strchr(value[1].data, '*')) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"first server name \"%V\" must not be wildcard",
&value[1]);
return NGX_CONF_ERROR;
}
if (value[1].data[0] == '~') {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"first server name \"%V\" "
"must not be regular expression", &value[1]);
return NGX_CONF_ERROR;
}
name = value[1];
if (ch == '.') {
name.len--;
name.data++;
}
cscf->server_name.len = name.len;
cscf->server_name.data = ngx_pstrdup(cf->pool, &name);
if (cscf->server_name.data == NULL) {
return NGX_CONF_ERROR;
}
}
for (i = 1; i < cf->args->nelts; i++) {
ch = value[i].data[0];
if (value[i].len == 1 && ch == '*') {
cscf->wildcard = 1;
continue;
}
if (value[i].len == 0
|| (ch == '*' && (value[i].len < 3 || value[i].data[1] != '.'))
|| (ch == '.' && value[i].len < 2))
{
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"server name \"%V\" is invalid", &value[i]);
return NGX_CONF_ERROR;
}
if (ngx_strchr(value[i].data, '/')) {
ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
"server name \"%V\" has strange symbols",
&value[i]);
}
sn = ngx_array_push(&cscf->server_names);
if (sn == NULL) {
return NGX_CONF_ERROR;
}
#if (NGX_PCRE)
sn->regex = NULL;
#endif
sn->core_srv_conf = cscf;
sn->name.len = value[i].len;
sn->name.data = value[i].data;
if (value[i].data[0] != '~') {
continue;
}
#if (NGX_PCRE)
{
ngx_str_t err;
u_char errstr[NGX_MAX_CONF_ERRSTR];
err.len = NGX_MAX_CONF_ERRSTR;
err.data = errstr;
value[i].len--;
value[i].data++;
sn->regex = ngx_regex_compile(&value[i], NGX_REGEX_CASELESS, cf->pool,
&err);
if (sn->regex == NULL) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%s", err.data);
return NGX_CONF_ERROR;
}
sn->name.len = value[i].len;
sn->name.data = value[i].data;
}
#else
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"the using of the regex \"%V\" "
"requires PCRE library", &value[i]);
return NGX_CONF_ERROR;
#endif
}
return NGX_CONF_OK;
}
static char *
ngx_http_core_root(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_core_loc_conf_t *lcf = conf;
ngx_str_t *value;
ngx_uint_t alias, n;
ngx_http_script_compile_t sc;
alias = (cmd->name.len == sizeof("alias") - 1) ? 1 : 0;
if (lcf->root.data) {
/* the (ngx_uint_t) cast is required by gcc 2.7.2.3 */
if ((ngx_uint_t) lcf->alias == alias) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"\"%V\" directive is duplicate",
&cmd->name);
} else {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"\"%V\" directive is duplicate, "
"\"%s\" directive is specified before",
&cmd->name, lcf->alias ? "alias" : "root");
}
return NGX_CONF_ERROR;
}
if (lcf->named && alias) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"the \"alias\" directive may not be used "
"inside named location");
return NGX_CONF_ERROR;
}
#if (NGX_PCRE)
if (lcf->regex && alias) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"the \"alias\" directive may not be used "
"inside location given by regular expression");
return NGX_CONF_ERROR;
}
#endif
value = cf->args->elts;
if (ngx_strstr(value[1].data, "$document_root")
|| ngx_strstr(value[1].data, "${document_root}"))
{
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"the $document_root variable may not be used "
"in the \"%V\" directive",
&cmd->name);
return NGX_CONF_ERROR;
}
lcf->alias = alias;
lcf->root = value[1];
if (!alias && lcf->root.data[lcf->root.len - 1] == '/') {
lcf->root.len--;
}
if (lcf->root.data[0] != '$') {
if (ngx_conf_full_name(cf->cycle, &lcf->root, 0) == NGX_ERROR) {
return NGX_CONF_ERROR;
}
}
n = ngx_http_script_variables_count(&lcf->root);
if (n == 0) {
return NGX_CONF_OK;
}
ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
sc.cf = cf;
sc.source = &lcf->root;
sc.lengths = &lcf->root_lengths;
sc.values = &lcf->root_values;
sc.variables = n;
sc.complete_lengths = 1;
sc.complete_values = 1;
if (ngx_http_script_compile(&sc) != NGX_OK) {
return NGX_CONF_ERROR;
}
return NGX_CONF_OK;
}
static ngx_http_method_name_t ngx_methods_names[] = {
{ (u_char *) "GET", (uint32_t) ~NGX_HTTP_GET },
{ (u_char *) "HEAD", (uint32_t) ~NGX_HTTP_HEAD },
{ (u_char *) "POST", (uint32_t) ~NGX_HTTP_POST },
{ (u_char *) "PUT", (uint32_t) ~NGX_HTTP_PUT },
{ (u_char *) "DELETE", (uint32_t) ~NGX_HTTP_DELETE },
{ (u_char *) "MKCOL", (uint32_t) ~NGX_HTTP_MKCOL },
{ (u_char *) "COPY", (uint32_t) ~NGX_HTTP_COPY },
{ (u_char *) "MOVE", (uint32_t) ~NGX_HTTP_MOVE },
{ (u_char *) "OPTIONS", (uint32_t) ~NGX_HTTP_OPTIONS },
{ (u_char *) "PROPFIND" , (uint32_t) ~NGX_HTTP_PROPFIND },
{ (u_char *) "PROPPATCH", (uint32_t) ~NGX_HTTP_PROPPATCH },
{ (u_char *) "LOCK", (uint32_t) ~NGX_HTTP_LOCK },
{ (u_char *) "UNLOCK", (uint32_t) ~NGX_HTTP_UNLOCK },
{ NULL, 0 }
};
static char *
ngx_http_core_limit_except(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_core_loc_conf_t *clcf = conf;
char *rv;
void *mconf;
ngx_str_t *value;
ngx_uint_t i;
ngx_conf_t save;
ngx_http_module_t *module;
ngx_http_conf_ctx_t *ctx, *pctx;
ngx_http_method_name_t *name;
ngx_http_core_loc_conf_t *lcf, **clcfp;
if (clcf->limit_except) {
return "duplicate";
}
clcf->limit_except = 0xffffffff;
value = cf->args->elts;
for (i = 1; i < cf->args->nelts; i++) {
for (name = ngx_methods_names; name->name; name++) {
if (ngx_strcasecmp(value[i].data, name->name) == 0) {
clcf->limit_except &= name->method;
goto next;
}
}
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid method \"%V\"", &value[i]);
return NGX_CONF_ERROR;
next:
continue;
}
if (!(clcf->limit_except & NGX_HTTP_GET)) {
clcf->limit_except &= (uint32_t) ~NGX_HTTP_HEAD;
}
ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t));
if (ctx == NULL) {
return NGX_CONF_ERROR;
}
pctx = cf->ctx;
ctx->main_conf = pctx->main_conf;
ctx->srv_conf = pctx->srv_conf;
ctx->loc_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module);
if (ctx->loc_conf == NULL) {
return NGX_CONF_ERROR;
}
for (i = 0; ngx_modules[i]; i++) {
if (ngx_modules[i]->type != NGX_HTTP_MODULE) {
continue;
}
module = ngx_modules[i]->ctx;
if (module->create_loc_conf) {
mconf = module->create_loc_conf(cf);
if (mconf == NULL) {
return NGX_CONF_ERROR;
}
ctx->loc_conf[ngx_modules[i]->ctx_index] = mconf;
}
}
lcf = ctx->loc_conf[ngx_http_core_module.ctx_index];
clcf->limit_except_loc_conf = ctx->loc_conf;
lcf->loc_conf = ctx->loc_conf;
lcf->name = clcf->name;
lcf->noname = 1;
if (clcf->locations == NULL) {
clcf->locations = ngx_array_create(cf->pool, 2, sizeof(void *));
if (clcf->locations == NULL) {
return NGX_CONF_ERROR;
}
}
clcfp = ngx_array_push(clcf->locations);
if (clcfp == NULL) {
return NGX_CONF_ERROR;
}
*clcfp = lcf;
save = *cf;
cf->ctx = ctx;
cf->cmd_type = NGX_HTTP_LMT_CONF;
rv = ngx_conf_parse(cf, NULL);
*cf = save;
return rv;
}
static char *
ngx_http_core_error_page(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_core_loc_conf_t *lcf = conf;
ngx_int_t overwrite;
ngx_str_t *value, uri;
ngx_uint_t i, n, nvar;
ngx_array_t *uri_lengths, *uri_values;
ngx_http_err_page_t *err;
ngx_http_script_compile_t sc;
if (lcf->error_pages == NULL) {
lcf->error_pages = ngx_array_create(cf->pool, 4,
sizeof(ngx_http_err_page_t));
if (lcf->error_pages == NULL) {
return NGX_CONF_ERROR;
}
}
value = cf->args->elts;
i = cf->args->nelts - 2;
if (value[i].data[0] == '=') {
if (i == 1) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid value \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
if (value[i].len > 1) {
overwrite = ngx_atoi(&value[i].data[1], value[i].len - 1);
if (overwrite == NGX_ERROR) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid value \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
} else {
overwrite = 0;
}
n = 2;
} else {
overwrite = -1;
n = 1;
}
uri = value[cf->args->nelts - 1];
uri_lengths = NULL;
uri_values = NULL;
nvar = ngx_http_script_variables_count(&uri);
if (nvar) {
ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
sc.cf = cf;
sc.source = &uri;
sc.lengths = &uri_lengths;
sc.values = &uri_values;
sc.variables = nvar;
sc.complete_lengths = 1;
sc.complete_values = 1;
if (ngx_http_script_compile(&sc) != NGX_OK) {
return NGX_CONF_ERROR;
}
}
for (i = 1; i < cf->args->nelts - n; i++) {
err = ngx_array_push(lcf->error_pages);
if (err == NULL) {
return NGX_CONF_ERROR;
}
err->status = ngx_atoi(value[i].data, value[i].len);
if (err->status == NGX_ERROR || err->status == 499) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid value \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
if (err->status < 400 || err->status > 599) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"value \"%V\" must be between 400 and 599",
&value[i]);
return NGX_CONF_ERROR;
}
err->overwrite = (overwrite >= 0) ? overwrite : err->status;
err->uri = uri;
err->uri_lengths = uri_lengths;
err->uri_values = uri_values;
}
return NGX_CONF_OK;
}
static char *
ngx_http_core_open_file_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_core_loc_conf_t *lcf = conf;
time_t inactive;
ngx_str_t *value, s;
ngx_int_t max;
ngx_uint_t i;
if (lcf->open_file_cache != NGX_CONF_UNSET_PTR) {
return "is duplicate";
}
value = cf->args->elts;
max = 0;
inactive = 60;
for (i = 1; i < cf->args->nelts; i++) {
if (ngx_strncmp(value[i].data, "max=", 4) == 0) {
max = ngx_atoi(value[i].data + 4, value[i].len - 4);
if (max == NGX_ERROR) {
return NGX_CONF_ERROR;
}
continue;
}
if (ngx_strncmp(value[i].data, "inactive=", 9) == 0) {
s.len = value[i].len - 9;
s.data = value[i].data + 9;
inactive = ngx_parse_time(&s, 1);
if (inactive < 0) {
return NGX_CONF_ERROR;
}
continue;
}
if (ngx_strcmp(value[i].data, "off") == 0) {
lcf->open_file_cache = NULL;
continue;
}
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid \"open_file_cache\" parameter \"%V\"",
&value[i]);
return NGX_CONF_ERROR;
}
if (lcf->open_file_cache == NULL) {
return NGX_CONF_OK;
}
if (max == 0) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"\"open_file_cache\" must have \"max\" parameter");
return NGX_CONF_ERROR;
}
lcf->open_file_cache = ngx_open_file_cache_init(cf->pool, max, inactive);
if (lcf->open_file_cache) {
return NGX_CONF_OK;
}
return NGX_CONF_ERROR;
}
static char *
ngx_http_core_error_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_core_loc_conf_t *lcf = conf;
lcf->err_log = ngx_log_create_errlog(cf->cycle, cf->args);
if (lcf->err_log == NULL) {
return NGX_CONF_ERROR;
}
return ngx_set_error_log_levels(cf, lcf->err_log);
}
static char *
ngx_http_core_keepalive(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_core_loc_conf_t *lcf = conf;
ngx_str_t *value;
if (lcf->keepalive_timeout != NGX_CONF_UNSET_MSEC) {
return "is duplicate";
}
value = cf->args->elts;
lcf->keepalive_timeout = ngx_parse_time(&value[1], 0);
if (lcf->keepalive_timeout == (ngx_msec_t) NGX_ERROR) {
return "invalid value";
}
if (lcf->keepalive_timeout == (ngx_msec_t) NGX_PARSE_LARGE_TIME) {
return "value must be less than 597 hours";
}
if (cf->args->nelts == 2) {
return NGX_CONF_OK;
}
lcf->keepalive_header = ngx_parse_time(&value[2], 1);
if (lcf->keepalive_header == NGX_ERROR) {
return "invalid value";
}
if (lcf->keepalive_header == NGX_PARSE_LARGE_TIME) {
return "value must be less than 68 years";
}
return NGX_CONF_OK;
}
static char *
ngx_http_core_internal(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_core_loc_conf_t *lcf = conf;
if (lcf->internal != NGX_CONF_UNSET) {
return "is duplicate";
}
lcf->internal = 1;
return NGX_CONF_OK;
}
static char *
ngx_http_core_resolver(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_core_loc_conf_t *clcf = conf;
ngx_url_t u;
ngx_str_t *value;
value = cf->args->elts;
ngx_memzero(&u, sizeof(ngx_url_t));
u.host = value[1];
u.port = 53;
if (ngx_inet_resolve_host(cf->pool, &u) != NGX_OK) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%V: %s", &u.host, u.err);
return NGX_CONF_ERROR;
}
clcf->resolver = ngx_resolver_create(&u.addrs[0], cf->cycle->new_log);
if (clcf->resolver == NULL) {
return NGX_OK;
}
return NGX_CONF_OK;
}
static char *
ngx_http_core_lowat_check(ngx_conf_t *cf, void *post, void *data)
{
#if (NGX_FREEBSD)
ssize_t *np = data;
if ((u_long) *np >= ngx_freebsd_net_inet_tcp_sendspace) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"\"send_lowat\" must be less than %d "
"(sysctl net.inet.tcp.sendspace)",
ngx_freebsd_net_inet_tcp_sendspace);
return NGX_CONF_ERROR;
}
#elif !(NGX_HAVE_SO_SNDLOWAT)
ssize_t *np = data;
ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
"\"send_lowat\" is not supported, ignored");
*np = 0;
#endif
return NGX_CONF_OK;
}
static char *
ngx_http_core_pool_size(ngx_conf_t *cf, void *post, void *data)
{
size_t *sp = data;
if (*sp < NGX_MIN_POOL_SIZE) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"pool must be no less than %uz", NGX_MIN_POOL_SIZE);
return NGX_CONF_ERROR;
}
return NGX_CONF_OK;
}
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