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ngx_http_lua_module.c
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/*
* Copyright (C) Xiaozhe Wang (chaoslawful)
* Copyright (C) Yichun Zhang (agentzh)
*/
#ifndef DDEBUG
#define DDEBUG 0
#endif
#include "ddebug.h"
#include "ngx_http_lua_directive.h"
#include "ngx_http_lua_capturefilter.h"
#include "ngx_http_lua_contentby.h"
#include "ngx_http_lua_rewriteby.h"
#include "ngx_http_lua_accessby.h"
#include "ngx_http_lua_logby.h"
#include "ngx_http_lua_util.h"
#include "ngx_http_lua_headerfilterby.h"
#include "ngx_http_lua_bodyfilterby.h"
#include "ngx_http_lua_initby.h"
#include "ngx_http_lua_initworkerby.h"
#include "ngx_http_lua_probe.h"
#include "ngx_http_lua_semaphore.h"
#include "ngx_http_lua_balancer.h"
#include "ngx_http_lua_ssl_certby.h"
#include "ngx_http_lua_ssl_session_storeby.h"
#include "ngx_http_lua_ssl_session_fetchby.h"
#include "ngx_http_lua_headers.h"
#include "ngx_http_lua_pipe.h"
static void *ngx_http_lua_create_main_conf(ngx_conf_t *cf);
static char *ngx_http_lua_init_main_conf(ngx_conf_t *cf, void *conf);
static void *ngx_http_lua_create_srv_conf(ngx_conf_t *cf);
static char *ngx_http_lua_merge_srv_conf(ngx_conf_t *cf, void *parent,
void *child);
static void *ngx_http_lua_create_loc_conf(ngx_conf_t *cf);
static char *ngx_http_lua_merge_loc_conf(ngx_conf_t *cf, void *parent,
void *child);
static ngx_int_t ngx_http_lua_init(ngx_conf_t *cf);
static char *ngx_http_lua_lowat_check(ngx_conf_t *cf, void *post, void *data);
#if (NGX_HTTP_SSL)
static ngx_int_t ngx_http_lua_set_ssl(ngx_conf_t *cf,
ngx_http_lua_loc_conf_t *llcf);
#endif
static char *ngx_http_lua_malloc_trim(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static ngx_conf_post_t ngx_http_lua_lowat_post =
{ ngx_http_lua_lowat_check };
static volatile ngx_cycle_t *ngx_http_lua_prev_cycle = NULL;
#if (NGX_HTTP_SSL) && defined(nginx_version) && nginx_version >= 1001013
static ngx_conf_bitmask_t ngx_http_lua_ssl_protocols[] = {
{ ngx_string("SSLv2"), NGX_SSL_SSLv2 },
{ ngx_string("SSLv3"), NGX_SSL_SSLv3 },
{ ngx_string("TLSv1"), NGX_SSL_TLSv1 },
{ ngx_string("TLSv1.1"), NGX_SSL_TLSv1_1 },
{ ngx_string("TLSv1.2"), NGX_SSL_TLSv1_2 },
#ifdef NGX_SSL_TLSv1_3
{ ngx_string("TLSv1.3"), NGX_SSL_TLSv1_3 },
#endif
{ ngx_null_string, 0 }
};
#endif
static ngx_command_t ngx_http_lua_cmds[] = {
{ ngx_string("lua_load_resty_core"),
NGX_HTTP_MAIN_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_MAIN_CONF_OFFSET,
offsetof(ngx_http_lua_main_conf_t, load_resty_core),
NULL },
{ ngx_string("lua_max_running_timers"),
NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
ngx_conf_set_num_slot,
NGX_HTTP_MAIN_CONF_OFFSET,
offsetof(ngx_http_lua_main_conf_t, max_running_timers),
NULL },
{ ngx_string("lua_max_pending_timers"),
NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
ngx_conf_set_num_slot,
NGX_HTTP_MAIN_CONF_OFFSET,
offsetof(ngx_http_lua_main_conf_t, max_pending_timers),
NULL },
{ ngx_string("lua_shared_dict"),
NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE2,
ngx_http_lua_shared_dict,
0,
0,
NULL },
{ ngx_string("lua_capture_error_log"),
NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
ngx_http_lua_capture_error_log,
0,
0,
NULL },
{ ngx_string("lua_sa_restart"),
NGX_HTTP_MAIN_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_MAIN_CONF_OFFSET,
offsetof(ngx_http_lua_main_conf_t, set_sa_restart),
NULL },
#if (NGX_PCRE)
{ ngx_string("lua_regex_cache_max_entries"),
NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
ngx_conf_set_num_slot,
NGX_HTTP_MAIN_CONF_OFFSET,
offsetof(ngx_http_lua_main_conf_t, regex_cache_max_entries),
NULL },
{ ngx_string("lua_regex_match_limit"),
NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
ngx_conf_set_num_slot,
NGX_HTTP_MAIN_CONF_OFFSET,
offsetof(ngx_http_lua_main_conf_t, regex_match_limit),
NULL },
#endif
{ ngx_string("lua_package_cpath"),
NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
ngx_http_lua_package_cpath,
NGX_HTTP_MAIN_CONF_OFFSET,
0,
NULL },
{ ngx_string("lua_package_path"),
NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
ngx_http_lua_package_path,
NGX_HTTP_MAIN_CONF_OFFSET,
0,
NULL },
{ ngx_string("lua_code_cache"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_FLAG,
ngx_http_lua_code_cache,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_lua_loc_conf_t, enable_code_cache),
NULL },
{ ngx_string("lua_need_request_body"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_lua_loc_conf_t, force_read_body),
NULL },
{ ngx_string("lua_transform_underscores_in_response_headers"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_lua_loc_conf_t, transform_underscores_in_resp_headers),
NULL },
{ ngx_string("lua_socket_log_errors"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_lua_loc_conf_t, log_socket_errors),
NULL },
{ ngx_string("init_by_lua_block"),
NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS,
ngx_http_lua_init_by_lua_block,
NGX_HTTP_MAIN_CONF_OFFSET,
0,
(void *) ngx_http_lua_init_by_inline },
{ ngx_string("init_by_lua"),
NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
ngx_http_lua_init_by_lua,
NGX_HTTP_MAIN_CONF_OFFSET,
0,
(void *) ngx_http_lua_init_by_inline },
{ ngx_string("init_by_lua_file"),
NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
ngx_http_lua_init_by_lua,
NGX_HTTP_MAIN_CONF_OFFSET,
0,
(void *) ngx_http_lua_init_by_file },
{ ngx_string("init_worker_by_lua_block"),
NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS,
ngx_http_lua_init_worker_by_lua_block,
NGX_HTTP_MAIN_CONF_OFFSET,
0,
(void *) ngx_http_lua_init_worker_by_inline },
{ ngx_string("init_worker_by_lua"),
NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
ngx_http_lua_init_worker_by_lua,
NGX_HTTP_MAIN_CONF_OFFSET,
0,
(void *) ngx_http_lua_init_worker_by_inline },
{ ngx_string("init_worker_by_lua_file"),
NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
ngx_http_lua_init_worker_by_lua,
NGX_HTTP_MAIN_CONF_OFFSET,
0,
(void *) ngx_http_lua_init_worker_by_file },
#if defined(NDK) && NDK
/* set_by_lua $res { inline Lua code } [$arg1 [$arg2 [...]]] */
{ ngx_string("set_by_lua_block"),
NGX_HTTP_SRV_CONF|NGX_HTTP_SIF_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_1MORE|NGX_CONF_BLOCK,
ngx_http_lua_set_by_lua_block,
NGX_HTTP_LOC_CONF_OFFSET,
0,
(void *) ngx_http_lua_filter_set_by_lua_inline },
/* set_by_lua $res <inline script> [$arg1 [$arg2 [...]]] */
{ ngx_string("set_by_lua"),
NGX_HTTP_SRV_CONF|NGX_HTTP_SIF_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_2MORE,
ngx_http_lua_set_by_lua,
NGX_HTTP_LOC_CONF_OFFSET,
0,
(void *) ngx_http_lua_filter_set_by_lua_inline },
/* set_by_lua_file $res rel/or/abs/path/to/script [$arg1 [$arg2 [..]]] */
{ ngx_string("set_by_lua_file"),
NGX_HTTP_SRV_CONF|NGX_HTTP_SIF_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_2MORE,
ngx_http_lua_set_by_lua_file,
NGX_HTTP_LOC_CONF_OFFSET,
0,
(void *) ngx_http_lua_filter_set_by_lua_file },
#endif
/* rewrite_by_lua "<inline script>" */
{ ngx_string("rewrite_by_lua"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_TAKE1,
ngx_http_lua_rewrite_by_lua,
NGX_HTTP_LOC_CONF_OFFSET,
0,
(void *) ngx_http_lua_rewrite_handler_inline },
/* rewrite_by_lua_block { <inline script> } */
{ ngx_string("rewrite_by_lua_block"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_BLOCK|NGX_CONF_NOARGS,
ngx_http_lua_rewrite_by_lua_block,
NGX_HTTP_LOC_CONF_OFFSET,
0,
(void *) ngx_http_lua_rewrite_handler_inline },
/* access_by_lua "<inline script>" */
{ ngx_string("access_by_lua"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_TAKE1,
ngx_http_lua_access_by_lua,
NGX_HTTP_LOC_CONF_OFFSET,
0,
(void *) ngx_http_lua_access_handler_inline },
/* access_by_lua_block { <inline script> } */
{ ngx_string("access_by_lua_block"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_BLOCK|NGX_CONF_NOARGS,
ngx_http_lua_access_by_lua_block,
NGX_HTTP_LOC_CONF_OFFSET,
0,
(void *) ngx_http_lua_access_handler_inline },
/* content_by_lua "<inline script>" */
{ ngx_string("content_by_lua"),
NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1,
ngx_http_lua_content_by_lua,
NGX_HTTP_LOC_CONF_OFFSET,
0,
(void *) ngx_http_lua_content_handler_inline },
/* content_by_lua_block { <inline script> } */
{ ngx_string("content_by_lua_block"),
NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS,
ngx_http_lua_content_by_lua_block,
NGX_HTTP_LOC_CONF_OFFSET,
0,
(void *) ngx_http_lua_content_handler_inline },
/* log_by_lua <inline script> */
{ ngx_string("log_by_lua"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_TAKE1,
ngx_http_lua_log_by_lua,
NGX_HTTP_LOC_CONF_OFFSET,
0,
(void *) ngx_http_lua_log_handler_inline },
/* log_by_lua_block { <inline script> } */
{ ngx_string("log_by_lua_block"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_BLOCK|NGX_CONF_NOARGS,
ngx_http_lua_log_by_lua_block,
NGX_HTTP_LOC_CONF_OFFSET,
0,
(void *) ngx_http_lua_log_handler_inline },
{ ngx_string("rewrite_by_lua_file"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_TAKE1,
ngx_http_lua_rewrite_by_lua,
NGX_HTTP_LOC_CONF_OFFSET,
0,
(void *) ngx_http_lua_rewrite_handler_file },
{ ngx_string("rewrite_by_lua_no_postpone"),
NGX_HTTP_MAIN_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_MAIN_CONF_OFFSET,
offsetof(ngx_http_lua_main_conf_t, postponed_to_rewrite_phase_end),
NULL },
{ ngx_string("access_by_lua_file"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_TAKE1,
ngx_http_lua_access_by_lua,
NGX_HTTP_LOC_CONF_OFFSET,
0,
(void *) ngx_http_lua_access_handler_file },
{ ngx_string("access_by_lua_no_postpone"),
NGX_HTTP_MAIN_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_MAIN_CONF_OFFSET,
offsetof(ngx_http_lua_main_conf_t, postponed_to_access_phase_end),
NULL },
/* content_by_lua_file rel/or/abs/path/to/script */
{ ngx_string("content_by_lua_file"),
NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1,
ngx_http_lua_content_by_lua,
NGX_HTTP_LOC_CONF_OFFSET,
0,
(void *) ngx_http_lua_content_handler_file },
{ ngx_string("log_by_lua_file"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_TAKE1,
ngx_http_lua_log_by_lua,
NGX_HTTP_LOC_CONF_OFFSET,
0,
(void *) ngx_http_lua_log_handler_file },
/* header_filter_by_lua <inline script> */
{ ngx_string("header_filter_by_lua"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_TAKE1,
ngx_http_lua_header_filter_by_lua,
NGX_HTTP_LOC_CONF_OFFSET,
0,
(void *) ngx_http_lua_header_filter_inline },
/* header_filter_by_lua_block { <inline script> } */
{ ngx_string("header_filter_by_lua_block"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_BLOCK|NGX_CONF_NOARGS,
ngx_http_lua_header_filter_by_lua_block,
NGX_HTTP_LOC_CONF_OFFSET,
0,
(void *) ngx_http_lua_header_filter_inline },
{ ngx_string("header_filter_by_lua_file"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_TAKE1,
ngx_http_lua_header_filter_by_lua,
NGX_HTTP_LOC_CONF_OFFSET,
0,
(void *) ngx_http_lua_header_filter_file },
{ ngx_string("body_filter_by_lua"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_TAKE1,
ngx_http_lua_body_filter_by_lua,
NGX_HTTP_LOC_CONF_OFFSET,
0,
(void *) ngx_http_lua_body_filter_inline },
/* body_filter_by_lua_block { <inline script> } */
{ ngx_string("body_filter_by_lua_block"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_BLOCK|NGX_CONF_NOARGS,
ngx_http_lua_body_filter_by_lua_block,
NGX_HTTP_LOC_CONF_OFFSET,
0,
(void *) ngx_http_lua_body_filter_inline },
{ ngx_string("body_filter_by_lua_file"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_TAKE1,
ngx_http_lua_body_filter_by_lua,
NGX_HTTP_LOC_CONF_OFFSET,
0,
(void *) ngx_http_lua_body_filter_file },
{ ngx_string("balancer_by_lua_block"),
NGX_HTTP_UPS_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS,
ngx_http_lua_balancer_by_lua_block,
NGX_HTTP_SRV_CONF_OFFSET,
0,
(void *) ngx_http_lua_balancer_handler_inline },
{ ngx_string("balancer_by_lua_file"),
NGX_HTTP_UPS_CONF|NGX_CONF_TAKE1,
ngx_http_lua_balancer_by_lua,
NGX_HTTP_SRV_CONF_OFFSET,
0,
(void *) ngx_http_lua_balancer_handler_file },
{ ngx_string("lua_socket_keepalive_timeout"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF
|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1,
ngx_conf_set_msec_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_lua_loc_conf_t, keepalive_timeout),
NULL },
{ ngx_string("lua_socket_connect_timeout"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF
|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1,
ngx_conf_set_msec_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_lua_loc_conf_t, connect_timeout),
NULL },
{ ngx_string("lua_socket_send_timeout"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF
|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1,
ngx_conf_set_msec_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_lua_loc_conf_t, send_timeout),
NULL },
{ ngx_string("lua_socket_send_lowat"),
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_lua_loc_conf_t, send_lowat),
&ngx_http_lua_lowat_post },
{ ngx_string("lua_socket_buffer_size"),
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_lua_loc_conf_t, buffer_size),
NULL },
{ ngx_string("lua_socket_pool_size"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF
|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1,
ngx_conf_set_num_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_lua_loc_conf_t, pool_size),
NULL },
{ ngx_string("lua_socket_read_timeout"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF
|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1,
ngx_conf_set_msec_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_lua_loc_conf_t, read_timeout),
NULL },
{ ngx_string("lua_http10_buffering"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_lua_loc_conf_t, http10_buffering),
NULL },
{ ngx_string("lua_check_client_abort"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_lua_loc_conf_t, check_client_abort),
NULL },
{ ngx_string("lua_use_default_type"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_lua_loc_conf_t, use_default_type),
NULL },
#if (NGX_HTTP_SSL)
# if defined(nginx_version) && nginx_version >= 1001013
{ ngx_string("lua_ssl_protocols"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
ngx_conf_set_bitmask_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_lua_loc_conf_t, ssl_protocols),
&ngx_http_lua_ssl_protocols },
# endif
{ ngx_string("lua_ssl_ciphers"),
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_lua_loc_conf_t, ssl_ciphers),
NULL },
{ ngx_string("ssl_certificate_by_lua_block"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS,
ngx_http_lua_ssl_cert_by_lua_block,
NGX_HTTP_SRV_CONF_OFFSET,
0,
(void *) ngx_http_lua_ssl_cert_handler_inline },
{ ngx_string("ssl_certificate_by_lua_file"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
ngx_http_lua_ssl_cert_by_lua,
NGX_HTTP_SRV_CONF_OFFSET,
0,
(void *) ngx_http_lua_ssl_cert_handler_file },
{ ngx_string("ssl_session_store_by_lua_block"),
NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS,
ngx_http_lua_ssl_sess_store_by_lua_block,
NGX_HTTP_SRV_CONF_OFFSET,
0,
(void *) ngx_http_lua_ssl_sess_store_handler_inline },
{ ngx_string("ssl_session_store_by_lua_file"),
NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
ngx_http_lua_ssl_sess_store_by_lua,
NGX_HTTP_SRV_CONF_OFFSET,
0,
(void *) ngx_http_lua_ssl_sess_store_handler_file },
{ ngx_string("ssl_session_fetch_by_lua_block"),
NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS,
ngx_http_lua_ssl_sess_fetch_by_lua_block,
NGX_HTTP_SRV_CONF_OFFSET,
0,
(void *) ngx_http_lua_ssl_sess_fetch_handler_inline },
{ ngx_string("ssl_session_fetch_by_lua_file"),
NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
ngx_http_lua_ssl_sess_fetch_by_lua,
NGX_HTTP_SRV_CONF_OFFSET,
0,
(void *) ngx_http_lua_ssl_sess_fetch_handler_file },
{ ngx_string("lua_ssl_verify_depth"),
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_lua_loc_conf_t, ssl_verify_depth),
NULL },
{ ngx_string("lua_ssl_trusted_certificate"),
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_lua_loc_conf_t, ssl_trusted_certificate),
NULL },
{ ngx_string("lua_ssl_crl"),
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_lua_loc_conf_t, ssl_crl),
NULL },
#endif /* NGX_HTTP_SSL */
{ ngx_string("lua_malloc_trim"),
NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
ngx_http_lua_malloc_trim,
NGX_HTTP_MAIN_CONF_OFFSET,
0,
NULL },
ngx_null_command
};
ngx_http_module_t ngx_http_lua_module_ctx = {
NULL, /* preconfiguration */
ngx_http_lua_init, /* postconfiguration */
ngx_http_lua_create_main_conf, /* create main configuration */
ngx_http_lua_init_main_conf, /* init main configuration */
ngx_http_lua_create_srv_conf, /* create server configuration */
ngx_http_lua_merge_srv_conf, /* merge server configuration */
ngx_http_lua_create_loc_conf, /* create location configuration */
ngx_http_lua_merge_loc_conf /* merge location configuration */
};
ngx_module_t ngx_http_lua_module = {
NGX_MODULE_V1,
&ngx_http_lua_module_ctx, /* module context */
ngx_http_lua_cmds, /* module directives */
NGX_HTTP_MODULE, /* module type */
NULL, /* init master */
NULL, /* init module */
ngx_http_lua_init_worker, /* init process */
NULL, /* init thread */
NULL, /* exit thread */
NULL, /* exit process */
NULL, /* exit master */
NGX_MODULE_V1_PADDING
};
static ngx_int_t
ngx_http_lua_init(ngx_conf_t *cf)
{
int multi_http_blocks;
ngx_int_t rc;
ngx_array_t *arr;
ngx_http_handler_pt *h;
volatile ngx_cycle_t *saved_cycle;
ngx_http_core_main_conf_t *cmcf;
ngx_http_lua_main_conf_t *lmcf;
#if !defined(NGX_LUA_NO_FFI_API) || nginx_version >= 1011011
ngx_pool_cleanup_t *cln;
#endif
ngx_str_t name = ngx_string("host");
if (ngx_process == NGX_PROCESS_SIGNALLER || ngx_test_config) {
return NGX_OK;
}
lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_lua_module);
lmcf->host_var_index = ngx_http_get_variable_index(cf, &name);
if (lmcf->host_var_index == NGX_ERROR) {
return NGX_ERROR;
}
if (ngx_http_lua_prev_cycle != ngx_cycle) {
ngx_http_lua_prev_cycle = ngx_cycle;
multi_http_blocks = 0;
} else {
multi_http_blocks = 1;
}
if (multi_http_blocks || lmcf->requires_capture_filter) {
rc = ngx_http_lua_capture_filter_init(cf);
if (rc != NGX_OK) {
return rc;
}
}
if (lmcf->postponed_to_rewrite_phase_end == NGX_CONF_UNSET) {
lmcf->postponed_to_rewrite_phase_end = 0;
}
if (lmcf->postponed_to_access_phase_end == NGX_CONF_UNSET) {
lmcf->postponed_to_access_phase_end = 0;
}
cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
if (lmcf->requires_rewrite) {
h = ngx_array_push(&cmcf->phases[NGX_HTTP_REWRITE_PHASE].handlers);
if (h == NULL) {
return NGX_ERROR;
}
*h = ngx_http_lua_rewrite_handler;
}
if (lmcf->requires_access) {
h = ngx_array_push(&cmcf->phases[NGX_HTTP_ACCESS_PHASE].handlers);
if (h == NULL) {
return NGX_ERROR;
}
*h = ngx_http_lua_access_handler;
}
dd("requires log: %d", (int) lmcf->requires_log);
if (lmcf->requires_log) {
arr = &cmcf->phases[NGX_HTTP_LOG_PHASE].handlers;
h = ngx_array_push(arr);
if (h == NULL) {
return NGX_ERROR;
}
if (arr->nelts > 1) {
h = arr->elts;
ngx_memmove(&h[1], h,
(arr->nelts - 1) * sizeof(ngx_http_handler_pt));
}
*h = ngx_http_lua_log_handler;
}
if (multi_http_blocks || lmcf->requires_header_filter) {
rc = ngx_http_lua_header_filter_init();
if (rc != NGX_OK) {
return rc;
}
}
if (multi_http_blocks || lmcf->requires_body_filter) {
rc = ngx_http_lua_body_filter_init();
if (rc != NGX_OK) {
return rc;
}
}
#ifndef NGX_LUA_NO_FFI_API
/* add the cleanup of semaphores after the lua_close */
cln = ngx_pool_cleanup_add(cf->pool, 0);
if (cln == NULL) {
return NGX_ERROR;
}
cln->data = lmcf;
cln->handler = ngx_http_lua_sema_mm_cleanup;
#ifdef HAVE_NGX_LUA_PIPE
ngx_http_lua_pipe_init();
#endif
#endif
#if nginx_version >= 1011011
cln = ngx_pool_cleanup_add(cf->pool, 0);
if (cln == NULL) {
return NGX_ERROR;
}
cln->data = lmcf;
cln->handler = ngx_http_lua_ngx_raw_header_cleanup;
#endif
if (lmcf->lua == NULL) {
dd("initializing lua vm");
#ifndef OPENRESTY_LUAJIT
if (ngx_process != NGX_PROCESS_SIGNALLER && !ngx_test_config) {
ngx_log_error(NGX_LOG_ALERT, cf->log, 0,
"detected a LuaJIT version which is not OpenResty's"
"; many optimizations will be disabled and "
"performance will be compromised (see "
"https://github.com/openresty/luajit2 for "
"OpenResty's LuaJIT or, even better, consider using "
"the OpenResty releases from https://openresty.org/"
"en/download.html)");
}
#endif
ngx_http_lua_content_length_hash =
ngx_http_lua_hash_literal("content-length");
ngx_http_lua_location_hash = ngx_http_lua_hash_literal("location");
lmcf->lua = ngx_http_lua_init_vm(NULL, cf->cycle, cf->pool, lmcf,
cf->log, NULL);
if (lmcf->lua == NULL) {
ngx_conf_log_error(NGX_LOG_ERR, cf, 0,
"failed to initialize Lua VM");
return NGX_ERROR;
}
if (!lmcf->requires_shm && lmcf->init_handler) {
saved_cycle = ngx_cycle;
ngx_cycle = cf->cycle;
rc = lmcf->init_handler(cf->log, lmcf, lmcf->lua);
ngx_cycle = saved_cycle;
if (rc != NGX_OK) {
/* an error happened */
return NGX_ERROR;
}
}
dd("Lua VM initialized!");
}
return NGX_OK;
}
static char *
ngx_http_lua_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,
"\"lua_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,
"\"lua_send_lowat\" is not supported, ignored");
*np = 0;
#endif
return NGX_CONF_OK;
}
static void *
ngx_http_lua_create_main_conf(ngx_conf_t *cf)
{
#ifndef NGX_LUA_NO_FFI_API
ngx_int_t rc;
#endif
ngx_http_lua_main_conf_t *lmcf;
lmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_lua_main_conf_t));
if (lmcf == NULL) {
return NULL;
}
/* set by ngx_pcalloc:
* lmcf->lua = NULL;
* lmcf->lua_path = { 0, NULL };
* lmcf->lua_cpath = { 0, NULL };
* lmcf->pending_timers = 0;
* lmcf->running_timers = 0;
* lmcf->watcher = NULL;
* lmcf->regex_cache_entries = 0;
* lmcf->jit_stack = NULL;
* lmcf->shm_zones = NULL;
* lmcf->init_handler = NULL;
* lmcf->init_src = { 0, NULL };
* lmcf->shm_zones_inited = 0;
* lmcf->shdict_zones = NULL;
* lmcf->preload_hooks = NULL;
* lmcf->requires_header_filter = 0;
* lmcf->requires_body_filter = 0;
* lmcf->requires_capture_filter = 0;
* lmcf->requires_rewrite = 0;
* lmcf->requires_access = 0;
* lmcf->requires_log = 0;
* lmcf->requires_shm = 0;
*/
lmcf->pool = cf->pool;
lmcf->load_resty_core = NGX_CONF_UNSET;
lmcf->max_pending_timers = NGX_CONF_UNSET;
lmcf->max_running_timers = NGX_CONF_UNSET;
#if (NGX_PCRE)
lmcf->regex_cache_max_entries = NGX_CONF_UNSET;
lmcf->regex_match_limit = NGX_CONF_UNSET;
#endif
lmcf->postponed_to_rewrite_phase_end = NGX_CONF_UNSET;
lmcf->postponed_to_access_phase_end = NGX_CONF_UNSET;
lmcf->set_sa_restart = NGX_CONF_UNSET;
#if (NGX_HTTP_LUA_HAVE_MALLOC_TRIM)
lmcf->malloc_trim_cycle = NGX_CONF_UNSET_UINT;
#endif
#ifndef NGX_LUA_NO_FFI_API
rc = ngx_http_lua_sema_mm_init(cf, lmcf);
if (rc != NGX_OK) {
return NULL;
}
dd("nginx Lua module main config structure initialized!");
#endif
return lmcf;
}
static char *
ngx_http_lua_init_main_conf(ngx_conf_t *cf, void *conf)
{
ngx_http_lua_main_conf_t *lmcf = conf;
if (lmcf->load_resty_core == NGX_CONF_UNSET) {
lmcf->load_resty_core = 1;
}
#if (NGX_PCRE)
if (lmcf->regex_cache_max_entries == NGX_CONF_UNSET) {
lmcf->regex_cache_max_entries = 1024;
}
if (lmcf->regex_match_limit == NGX_CONF_UNSET) {
lmcf->regex_match_limit = 0;
}
#endif
if (lmcf->max_pending_timers == NGX_CONF_UNSET) {
lmcf->max_pending_timers = 1024;
}
if (lmcf->max_running_timers == NGX_CONF_UNSET) {
lmcf->max_running_timers = 256;
}
#if (NGX_HTTP_LUA_HAVE_SA_RESTART)
if (lmcf->set_sa_restart == NGX_CONF_UNSET) {
lmcf->set_sa_restart = 1;
}
#endif
#if (NGX_HTTP_LUA_HAVE_MALLOC_TRIM)
if (lmcf->malloc_trim_cycle == NGX_CONF_UNSET_UINT) {
lmcf->malloc_trim_cycle = 1000; /* number of reqs */
}
#endif
lmcf->cycle = cf->cycle;
return NGX_CONF_OK;
}
static void *
ngx_http_lua_create_srv_conf(ngx_conf_t *cf)
{
ngx_http_lua_srv_conf_t *lscf;
lscf = ngx_pcalloc(cf->pool, sizeof(ngx_http_lua_srv_conf_t));
if (lscf == NULL) {
return NULL;
}
/* set by ngx_pcalloc:
* lscf->srv.ssl_cert_handler = NULL;
* lscf->srv.ssl_cert_src = { 0, NULL };
* lscf->srv.ssl_cert_src_key = NULL;
*
* lscf->srv.ssl_session_store_handler = NULL;
* lscf->srv.ssl_session_store_src = { 0, NULL };
* lscf->srv.ssl_session_store_src_key = NULL;
*
* lscf->srv.ssl_session_fetch_handler = NULL;
* lscf->srv.ssl_session_fetch_src = { 0, NULL };
* lscf->srv.ssl_session_fetch_src_key = NULL;
*
* lscf->balancer.handler = NULL;
* lscf->balancer.src = { 0, NULL };
* lscf->balancer.src_key = NULL;
*/
#if (NGX_HTTP_SSL)
lscf->srv.ssl_cert_src_ref = LUA_REFNIL;
lscf->srv.ssl_sess_store_src_ref = LUA_REFNIL;
lscf->srv.ssl_sess_fetch_src_ref = LUA_REFNIL;
#endif
lscf->balancer.src_ref = LUA_REFNIL;
return lscf;
}