diff options
Diffstat (limited to 'app/nginx/src/http/ngx_http_core_module.h')
| -rw-r--r-- | app/nginx/src/http/ngx_http_core_module.h | 588 |
1 files changed, 588 insertions, 0 deletions
diff --git a/app/nginx/src/http/ngx_http_core_module.h b/app/nginx/src/http/ngx_http_core_module.h new file mode 100644 index 0000000..5018da0 --- /dev/null +++ b/app/nginx/src/http/ngx_http_core_module.h @@ -0,0 +1,588 @@ + +/* + * Copyright (C) Igor Sysoev + * Copyright (C) Nginx, Inc. + */ + + +#ifndef _NGX_HTTP_CORE_H_INCLUDED_ +#define _NGX_HTTP_CORE_H_INCLUDED_ + + +#include <ngx_config.h> +#include <ngx_core.h> +#include <ngx_http.h> + +#if (NGX_THREADS) +#include <ngx_thread_pool.h> +#elif (NGX_COMPAT) +typedef struct ngx_thread_pool_s ngx_thread_pool_t; +#endif + + +#define NGX_HTTP_GZIP_PROXIED_OFF 0x0002 +#define NGX_HTTP_GZIP_PROXIED_EXPIRED 0x0004 +#define NGX_HTTP_GZIP_PROXIED_NO_CACHE 0x0008 +#define NGX_HTTP_GZIP_PROXIED_NO_STORE 0x0010 +#define NGX_HTTP_GZIP_PROXIED_PRIVATE 0x0020 +#define NGX_HTTP_GZIP_PROXIED_NO_LM 0x0040 +#define NGX_HTTP_GZIP_PROXIED_NO_ETAG 0x0080 +#define NGX_HTTP_GZIP_PROXIED_AUTH 0x0100 +#define NGX_HTTP_GZIP_PROXIED_ANY 0x0200 + + +#define NGX_HTTP_AIO_OFF 0 +#define NGX_HTTP_AIO_ON 1 +#define NGX_HTTP_AIO_THREADS 2 + + +#define NGX_HTTP_SATISFY_ALL 0 +#define NGX_HTTP_SATISFY_ANY 1 + + +#define NGX_HTTP_LINGERING_OFF 0 +#define NGX_HTTP_LINGERING_ON 1 +#define NGX_HTTP_LINGERING_ALWAYS 2 + + +#define NGX_HTTP_IMS_OFF 0 +#define NGX_HTTP_IMS_EXACT 1 +#define NGX_HTTP_IMS_BEFORE 2 + + +#define NGX_HTTP_KEEPALIVE_DISABLE_NONE 0x0002 +#define NGX_HTTP_KEEPALIVE_DISABLE_MSIE6 0x0004 +#define NGX_HTTP_KEEPALIVE_DISABLE_SAFARI 0x0008 + + +#define NGX_HTTP_SERVER_TOKENS_OFF 0 +#define NGX_HTTP_SERVER_TOKENS_ON 1 +#define NGX_HTTP_SERVER_TOKENS_BUILD 2 + + +typedef struct ngx_http_location_tree_node_s ngx_http_location_tree_node_t; +typedef struct ngx_http_core_loc_conf_s ngx_http_core_loc_conf_t; + + +typedef struct { + ngx_sockaddr_t sockaddr; + socklen_t socklen; + + unsigned set:1; + unsigned default_server:1; + unsigned bind:1; + unsigned wildcard:1; + unsigned ssl:1; + unsigned http2:1; +#if (NGX_HAVE_INET6) + unsigned ipv6only:1; +#endif + unsigned deferred_accept:1; + unsigned reuseport:1; + unsigned so_keepalive:2; + unsigned proxy_protocol:1; + + int backlog; + int rcvbuf; + int sndbuf; +#if (NGX_HAVE_SETFIB) + int setfib; +#endif +#if (NGX_HAVE_TCP_FASTOPEN) + int fastopen; +#endif +#if (NGX_HAVE_KEEPALIVE_TUNABLE) + int tcp_keepidle; + int tcp_keepintvl; + int tcp_keepcnt; +#endif + +#if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER) + char *accept_filter; +#endif + + u_char addr[NGX_SOCKADDR_STRLEN + 1]; +} ngx_http_listen_opt_t; + + +typedef enum { + NGX_HTTP_POST_READ_PHASE = 0, + + NGX_HTTP_SERVER_REWRITE_PHASE, + + NGX_HTTP_FIND_CONFIG_PHASE, + NGX_HTTP_REWRITE_PHASE, + NGX_HTTP_POST_REWRITE_PHASE, + + NGX_HTTP_PREACCESS_PHASE, + + NGX_HTTP_ACCESS_PHASE, + NGX_HTTP_POST_ACCESS_PHASE, + + NGX_HTTP_TRY_FILES_PHASE, + NGX_HTTP_CONTENT_PHASE, + + NGX_HTTP_LOG_PHASE +} ngx_http_phases; + +typedef struct ngx_http_phase_handler_s ngx_http_phase_handler_t; + +typedef ngx_int_t (*ngx_http_phase_handler_pt)(ngx_http_request_t *r, + ngx_http_phase_handler_t *ph); + +struct ngx_http_phase_handler_s { + ngx_http_phase_handler_pt checker; + ngx_http_handler_pt handler; + ngx_uint_t next; +}; + + +typedef struct { + ngx_http_phase_handler_t *handlers; + ngx_uint_t server_rewrite_index; + ngx_uint_t location_rewrite_index; +} ngx_http_phase_engine_t; + + +typedef struct { + ngx_array_t handlers; +} ngx_http_phase_t; + + +typedef struct { + ngx_array_t servers; /* ngx_http_core_srv_conf_t */ + + ngx_http_phase_engine_t phase_engine; + + ngx_hash_t headers_in_hash; + + ngx_hash_t variables_hash; + + ngx_array_t variables; /* ngx_http_variable_t */ + ngx_array_t prefix_variables; /* ngx_http_variable_t */ + ngx_uint_t ncaptures; + + ngx_uint_t server_names_hash_max_size; + ngx_uint_t server_names_hash_bucket_size; + + ngx_uint_t variables_hash_max_size; + ngx_uint_t variables_hash_bucket_size; + + ngx_hash_keys_arrays_t *variables_keys; + + ngx_array_t *ports; + + ngx_uint_t try_files; /* unsigned try_files:1 */ + + ngx_http_phase_t phases[NGX_HTTP_LOG_PHASE + 1]; +} ngx_http_core_main_conf_t; + + +typedef struct { + /* array of the ngx_http_server_name_t, "server_name" directive */ + ngx_array_t server_names; + + /* server ctx */ + ngx_http_conf_ctx_t *ctx; + + ngx_str_t server_name; + + size_t connection_pool_size; + size_t request_pool_size; + size_t client_header_buffer_size; + + ngx_bufs_t large_client_header_buffers; + + ngx_msec_t client_header_timeout; + + ngx_flag_t ignore_invalid_headers; + ngx_flag_t merge_slashes; + ngx_flag_t underscores_in_headers; + + unsigned listen:1; +#if (NGX_PCRE) + unsigned captures:1; +#endif + + ngx_http_core_loc_conf_t **named_locations; +} ngx_http_core_srv_conf_t; + + +/* list of structures to find core_srv_conf quickly at run time */ + + +typedef struct { +#if (NGX_PCRE) + ngx_http_regex_t *regex; +#endif + ngx_http_core_srv_conf_t *server; /* virtual name server conf */ + ngx_str_t name; +} ngx_http_server_name_t; + + +typedef struct { + ngx_hash_combined_t names; + + ngx_uint_t nregex; + ngx_http_server_name_t *regex; +} ngx_http_virtual_names_t; + + +struct ngx_http_addr_conf_s { + /* the default server configuration for this address:port */ + ngx_http_core_srv_conf_t *default_server; + + ngx_http_virtual_names_t *virtual_names; + + unsigned ssl:1; + unsigned http2:1; + unsigned proxy_protocol:1; +}; + + +typedef struct { + in_addr_t addr; + ngx_http_addr_conf_t conf; +} ngx_http_in_addr_t; + + +#if (NGX_HAVE_INET6) + +typedef struct { + struct in6_addr addr6; + ngx_http_addr_conf_t conf; +} ngx_http_in6_addr_t; + +#endif + + +typedef struct { + /* ngx_http_in_addr_t or ngx_http_in6_addr_t */ + void *addrs; + ngx_uint_t naddrs; +} ngx_http_port_t; + + +typedef struct { + ngx_int_t family; + in_port_t port; + ngx_array_t addrs; /* array of ngx_http_conf_addr_t */ +} ngx_http_conf_port_t; + + +typedef struct { + ngx_http_listen_opt_t opt; + + ngx_hash_t hash; + ngx_hash_wildcard_t *wc_head; + ngx_hash_wildcard_t *wc_tail; + +#if (NGX_PCRE) + ngx_uint_t nregex; + ngx_http_server_name_t *regex; +#endif + + /* the default server configuration for this address:port */ + ngx_http_core_srv_conf_t *default_server; + ngx_array_t servers; /* array of ngx_http_core_srv_conf_t */ +} ngx_http_conf_addr_t; + + +typedef struct { + ngx_int_t status; + ngx_int_t overwrite; + ngx_http_complex_value_t value; + ngx_str_t args; +} ngx_http_err_page_t; + + +typedef struct { + ngx_array_t *lengths; + ngx_array_t *values; + ngx_str_t name; + + unsigned code:10; + unsigned test_dir:1; +} ngx_http_try_file_t; + + +struct ngx_http_core_loc_conf_s { + ngx_str_t name; /* location name */ + +#if (NGX_PCRE) + ngx_http_regex_t *regex; +#endif + + unsigned noname:1; /* "if () {}" block or limit_except */ + unsigned lmt_excpt:1; + unsigned named:1; + + unsigned exact_match:1; + unsigned noregex:1; + + unsigned auto_redirect:1; +#if (NGX_HTTP_GZIP) + unsigned gzip_disable_msie6:2; + unsigned gzip_disable_degradation:2; +#endif + + ngx_http_location_tree_node_t *static_locations; +#if (NGX_PCRE) + ngx_http_core_loc_conf_t **regex_locations; +#endif + + /* pointer to the modules' loc_conf */ + void **loc_conf; + + uint32_t limit_except; + void **limit_except_loc_conf; + + ngx_http_handler_pt handler; + + /* location name length for inclusive location with inherited alias */ + size_t alias; + ngx_str_t root; /* root, alias */ + ngx_str_t post_action; + + ngx_array_t *root_lengths; + ngx_array_t *root_values; + + ngx_array_t *types; + ngx_hash_t types_hash; + ngx_str_t default_type; + + off_t client_max_body_size; /* client_max_body_size */ + off_t directio; /* directio */ + off_t directio_alignment; /* directio_alignment */ + + size_t client_body_buffer_size; /* client_body_buffer_size */ + size_t send_lowat; /* send_lowat */ + size_t postpone_output; /* postpone_output */ + size_t limit_rate; /* limit_rate */ + size_t limit_rate_after; /* limit_rate_after */ + size_t sendfile_max_chunk; /* sendfile_max_chunk */ + size_t read_ahead; /* read_ahead */ + + ngx_msec_t client_body_timeout; /* client_body_timeout */ + ngx_msec_t send_timeout; /* send_timeout */ + ngx_msec_t keepalive_timeout; /* keepalive_timeout */ + ngx_msec_t lingering_time; /* lingering_time */ + ngx_msec_t lingering_timeout; /* lingering_timeout */ + ngx_msec_t resolver_timeout; /* resolver_timeout */ + + ngx_resolver_t *resolver; /* resolver */ + + time_t keepalive_header; /* keepalive_timeout */ + + ngx_uint_t keepalive_requests; /* keepalive_requests */ + ngx_uint_t keepalive_disable; /* keepalive_disable */ + ngx_uint_t satisfy; /* satisfy */ + ngx_uint_t lingering_close; /* lingering_close */ + ngx_uint_t if_modified_since; /* if_modified_since */ + ngx_uint_t max_ranges; /* max_ranges */ + ngx_uint_t client_body_in_file_only; /* client_body_in_file_only */ + + ngx_flag_t client_body_in_single_buffer; + /* client_body_in_singe_buffer */ + ngx_flag_t internal; /* internal */ + ngx_flag_t sendfile; /* sendfile */ + ngx_flag_t aio; /* aio */ + ngx_flag_t aio_write; /* aio_write */ + ngx_flag_t tcp_nopush; /* tcp_nopush */ + ngx_flag_t tcp_nodelay; /* tcp_nodelay */ + ngx_flag_t reset_timedout_connection; /* reset_timedout_connection */ + ngx_flag_t absolute_redirect; /* absolute_redirect */ + ngx_flag_t server_name_in_redirect; /* server_name_in_redirect */ + ngx_flag_t port_in_redirect; /* port_in_redirect */ + ngx_flag_t msie_padding; /* msie_padding */ + ngx_flag_t msie_refresh; /* msie_refresh */ + ngx_flag_t log_not_found; /* log_not_found */ + ngx_flag_t log_subrequest; /* log_subrequest */ + ngx_flag_t recursive_error_pages; /* recursive_error_pages */ + ngx_uint_t server_tokens; /* server_tokens */ + ngx_flag_t chunked_transfer_encoding; /* chunked_transfer_encoding */ + ngx_flag_t etag; /* etag */ + +#if (NGX_HTTP_GZIP) + ngx_flag_t gzip_vary; /* gzip_vary */ + + ngx_uint_t gzip_http_version; /* gzip_http_version */ + ngx_uint_t gzip_proxied; /* gzip_proxied */ + +#if (NGX_PCRE) + ngx_array_t *gzip_disable; /* gzip_disable */ +#endif +#endif + +#if (NGX_THREADS || NGX_COMPAT) + ngx_thread_pool_t *thread_pool; + ngx_http_complex_value_t *thread_pool_value; +#endif + +#if (NGX_HAVE_OPENAT) + ngx_uint_t disable_symlinks; /* disable_symlinks */ + ngx_http_complex_value_t *disable_symlinks_from; +#endif + + ngx_array_t *error_pages; /* error_page */ + ngx_http_try_file_t *try_files; /* try_files */ + + ngx_path_t *client_body_temp_path; /* client_body_temp_path */ + + ngx_open_file_cache_t *open_file_cache; + time_t open_file_cache_valid; + ngx_uint_t open_file_cache_min_uses; + ngx_flag_t open_file_cache_errors; + ngx_flag_t open_file_cache_events; + + ngx_log_t *error_log; + + ngx_uint_t types_hash_max_size; + ngx_uint_t types_hash_bucket_size; + + ngx_queue_t *locations; + +#if 0 + ngx_http_core_loc_conf_t *prev_location; +#endif +}; + + +typedef struct { + ngx_queue_t queue; + ngx_http_core_loc_conf_t *exact; + ngx_http_core_loc_conf_t *inclusive; + ngx_str_t *name; + u_char *file_name; + ngx_uint_t line; + ngx_queue_t list; +} ngx_http_location_queue_t; + + +struct ngx_http_location_tree_node_s { + ngx_http_location_tree_node_t *left; + ngx_http_location_tree_node_t *right; + ngx_http_location_tree_node_t *tree; + + ngx_http_core_loc_conf_t *exact; + ngx_http_core_loc_conf_t *inclusive; + + u_char auto_redirect; + u_char len; + u_char name[1]; +}; + + +void ngx_http_core_run_phases(ngx_http_request_t *r); +ngx_int_t ngx_http_core_generic_phase(ngx_http_request_t *r, + ngx_http_phase_handler_t *ph); +ngx_int_t ngx_http_core_rewrite_phase(ngx_http_request_t *r, + ngx_http_phase_handler_t *ph); +ngx_int_t ngx_http_core_find_config_phase(ngx_http_request_t *r, + ngx_http_phase_handler_t *ph); +ngx_int_t ngx_http_core_post_rewrite_phase(ngx_http_request_t *r, + ngx_http_phase_handler_t *ph); +ngx_int_t ngx_http_core_access_phase(ngx_http_request_t *r, + ngx_http_phase_handler_t *ph); +ngx_int_t ngx_http_core_post_access_phase(ngx_http_request_t *r, + ngx_http_phase_handler_t *ph); +ngx_int_t ngx_http_core_try_files_phase(ngx_http_request_t *r, + ngx_http_phase_handler_t *ph); +ngx_int_t ngx_http_core_content_phase(ngx_http_request_t *r, + ngx_http_phase_handler_t *ph); + + +void *ngx_http_test_content_type(ngx_http_request_t *r, ngx_hash_t *types_hash); +ngx_int_t ngx_http_set_content_type(ngx_http_request_t *r); +void ngx_http_set_exten(ngx_http_request_t *r); +ngx_int_t ngx_http_set_etag(ngx_http_request_t *r); +void ngx_http_weak_etag(ngx_http_request_t *r); +ngx_int_t ngx_http_send_response(ngx_http_request_t *r, ngx_uint_t status, + ngx_str_t *ct, ngx_http_complex_value_t *cv); +u_char *ngx_http_map_uri_to_path(ngx_http_request_t *r, ngx_str_t *name, + size_t *root_length, size_t reserved); +ngx_int_t ngx_http_auth_basic_user(ngx_http_request_t *r); +#if (NGX_HTTP_GZIP) +ngx_int_t ngx_http_gzip_ok(ngx_http_request_t *r); +#endif + + +ngx_int_t ngx_http_subrequest(ngx_http_request_t *r, + ngx_str_t *uri, ngx_str_t *args, ngx_http_request_t **sr, + ngx_http_post_subrequest_t *psr, ngx_uint_t flags); +ngx_int_t ngx_http_internal_redirect(ngx_http_request_t *r, + ngx_str_t *uri, ngx_str_t *args); +ngx_int_t ngx_http_named_location(ngx_http_request_t *r, ngx_str_t *name); + + +ngx_http_cleanup_t *ngx_http_cleanup_add(ngx_http_request_t *r, size_t size); + + +typedef ngx_int_t (*ngx_http_output_header_filter_pt)(ngx_http_request_t *r); +typedef ngx_int_t (*ngx_http_output_body_filter_pt) + (ngx_http_request_t *r, ngx_chain_t *chain); +typedef ngx_int_t (*ngx_http_request_body_filter_pt) + (ngx_http_request_t *r, ngx_chain_t *chain); + + +ngx_int_t ngx_http_output_filter(ngx_http_request_t *r, ngx_chain_t *chain); +ngx_int_t ngx_http_write_filter(ngx_http_request_t *r, ngx_chain_t *chain); +ngx_int_t ngx_http_request_body_save_filter(ngx_http_request_t *r, + ngx_chain_t *chain); + + +ngx_int_t ngx_http_set_disable_symlinks(ngx_http_request_t *r, + ngx_http_core_loc_conf_t *clcf, ngx_str_t *path, ngx_open_file_info_t *of); + +ngx_int_t ngx_http_get_forwarded_addr(ngx_http_request_t *r, ngx_addr_t *addr, + ngx_array_t *headers, ngx_str_t *value, ngx_array_t *proxies, + int recursive); + + +extern ngx_module_t ngx_http_core_module; + +extern ngx_uint_t ngx_http_max_module; + +extern ngx_str_t ngx_http_core_get_method; + + +#define ngx_http_clear_content_length(r) \ + \ + r->headers_out.content_length_n = -1; \ + if (r->headers_out.content_length) { \ + r->headers_out.content_length->hash = 0; \ + r->headers_out.content_length = NULL; \ + } + +#define ngx_http_clear_accept_ranges(r) \ + \ + r->allow_ranges = 0; \ + if (r->headers_out.accept_ranges) { \ + r->headers_out.accept_ranges->hash = 0; \ + r->headers_out.accept_ranges = NULL; \ + } + +#define ngx_http_clear_last_modified(r) \ + \ + r->headers_out.last_modified_time = -1; \ + if (r->headers_out.last_modified) { \ + r->headers_out.last_modified->hash = 0; \ + r->headers_out.last_modified = NULL; \ + } + +#define ngx_http_clear_location(r) \ + \ + if (r->headers_out.location) { \ + r->headers_out.location->hash = 0; \ + r->headers_out.location = NULL; \ + } + +#define ngx_http_clear_etag(r) \ + \ + if (r->headers_out.etag) { \ + r->headers_out.etag->hash = 0; \ + r->headers_out.etag = NULL; \ + } + + +#endif /* _NGX_HTTP_CORE_H_INCLUDED_ */ |