diff options
Diffstat (limited to 'app/nginx/src/http/modules/ngx_http_fastcgi_module.c')
| -rw-r--r-- | app/nginx/src/http/modules/ngx_http_fastcgi_module.c | 3788 |
1 files changed, 0 insertions, 3788 deletions
diff --git a/app/nginx/src/http/modules/ngx_http_fastcgi_module.c b/app/nginx/src/http/modules/ngx_http_fastcgi_module.c deleted file mode 100644 index 06c1973..0000000 --- a/app/nginx/src/http/modules/ngx_http_fastcgi_module.c +++ /dev/null @@ -1,3788 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - ngx_array_t caches; /* ngx_http_file_cache_t * */ -} ngx_http_fastcgi_main_conf_t; - - -typedef struct { - ngx_array_t *flushes; - ngx_array_t *lengths; - ngx_array_t *values; - ngx_uint_t number; - ngx_hash_t hash; -} ngx_http_fastcgi_params_t; - - -typedef struct { - ngx_http_upstream_conf_t upstream; - - ngx_str_t index; - - ngx_http_fastcgi_params_t params; -#if (NGX_HTTP_CACHE) - ngx_http_fastcgi_params_t params_cache; -#endif - - ngx_array_t *params_source; - ngx_array_t *catch_stderr; - - ngx_array_t *fastcgi_lengths; - ngx_array_t *fastcgi_values; - - ngx_flag_t keep_conn; - -#if (NGX_HTTP_CACHE) - ngx_http_complex_value_t cache_key; -#endif - -#if (NGX_PCRE) - ngx_regex_t *split_regex; - ngx_str_t split_name; -#endif -} ngx_http_fastcgi_loc_conf_t; - - -typedef enum { - ngx_http_fastcgi_st_version = 0, - ngx_http_fastcgi_st_type, - ngx_http_fastcgi_st_request_id_hi, - ngx_http_fastcgi_st_request_id_lo, - ngx_http_fastcgi_st_content_length_hi, - ngx_http_fastcgi_st_content_length_lo, - ngx_http_fastcgi_st_padding_length, - ngx_http_fastcgi_st_reserved, - ngx_http_fastcgi_st_data, - ngx_http_fastcgi_st_padding -} ngx_http_fastcgi_state_e; - - -typedef struct { - u_char *start; - u_char *end; -} ngx_http_fastcgi_split_part_t; - - -typedef struct { - ngx_http_fastcgi_state_e state; - u_char *pos; - u_char *last; - ngx_uint_t type; - size_t length; - size_t padding; - - ngx_chain_t *free; - ngx_chain_t *busy; - - unsigned fastcgi_stdout:1; - unsigned large_stderr:1; - unsigned header_sent:1; - - ngx_array_t *split_parts; - - ngx_str_t script_name; - ngx_str_t path_info; -} ngx_http_fastcgi_ctx_t; - - -#define NGX_HTTP_FASTCGI_RESPONDER 1 - -#define NGX_HTTP_FASTCGI_KEEP_CONN 1 - -#define NGX_HTTP_FASTCGI_BEGIN_REQUEST 1 -#define NGX_HTTP_FASTCGI_ABORT_REQUEST 2 -#define NGX_HTTP_FASTCGI_END_REQUEST 3 -#define NGX_HTTP_FASTCGI_PARAMS 4 -#define NGX_HTTP_FASTCGI_STDIN 5 -#define NGX_HTTP_FASTCGI_STDOUT 6 -#define NGX_HTTP_FASTCGI_STDERR 7 -#define NGX_HTTP_FASTCGI_DATA 8 - - -typedef struct { - u_char version; - u_char type; - u_char request_id_hi; - u_char request_id_lo; - u_char content_length_hi; - u_char content_length_lo; - u_char padding_length; - u_char reserved; -} ngx_http_fastcgi_header_t; - - -typedef struct { - u_char role_hi; - u_char role_lo; - u_char flags; - u_char reserved[5]; -} ngx_http_fastcgi_begin_request_t; - - -typedef struct { - u_char version; - u_char type; - u_char request_id_hi; - u_char request_id_lo; -} ngx_http_fastcgi_header_small_t; - - -typedef struct { - ngx_http_fastcgi_header_t h0; - ngx_http_fastcgi_begin_request_t br; - ngx_http_fastcgi_header_small_t h1; -} ngx_http_fastcgi_request_start_t; - - -static ngx_int_t ngx_http_fastcgi_eval(ngx_http_request_t *r, - ngx_http_fastcgi_loc_conf_t *flcf); -#if (NGX_HTTP_CACHE) -static ngx_int_t ngx_http_fastcgi_create_key(ngx_http_request_t *r); -#endif -static ngx_int_t ngx_http_fastcgi_create_request(ngx_http_request_t *r); -static ngx_int_t ngx_http_fastcgi_reinit_request(ngx_http_request_t *r); -static ngx_int_t ngx_http_fastcgi_body_output_filter(void *data, - ngx_chain_t *in); -static ngx_int_t ngx_http_fastcgi_process_header(ngx_http_request_t *r); -static ngx_int_t ngx_http_fastcgi_input_filter_init(void *data); -static ngx_int_t ngx_http_fastcgi_input_filter(ngx_event_pipe_t *p, - ngx_buf_t *buf); -static ngx_int_t ngx_http_fastcgi_non_buffered_filter(void *data, - ssize_t bytes); -static ngx_int_t ngx_http_fastcgi_process_record(ngx_http_request_t *r, - ngx_http_fastcgi_ctx_t *f); -static void ngx_http_fastcgi_abort_request(ngx_http_request_t *r); -static void ngx_http_fastcgi_finalize_request(ngx_http_request_t *r, - ngx_int_t rc); - -static ngx_int_t ngx_http_fastcgi_add_variables(ngx_conf_t *cf); -static void *ngx_http_fastcgi_create_main_conf(ngx_conf_t *cf); -static void *ngx_http_fastcgi_create_loc_conf(ngx_conf_t *cf); -static char *ngx_http_fastcgi_merge_loc_conf(ngx_conf_t *cf, - void *parent, void *child); -static ngx_int_t ngx_http_fastcgi_init_params(ngx_conf_t *cf, - ngx_http_fastcgi_loc_conf_t *conf, ngx_http_fastcgi_params_t *params, - ngx_keyval_t *default_params); - -static ngx_int_t ngx_http_fastcgi_script_name_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_fastcgi_path_info_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_http_fastcgi_ctx_t *ngx_http_fastcgi_split(ngx_http_request_t *r, - ngx_http_fastcgi_loc_conf_t *flcf); - -static char *ngx_http_fastcgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_fastcgi_split_path_info(ngx_conf_t *cf, - ngx_command_t *cmd, void *conf); -static char *ngx_http_fastcgi_store(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -#if (NGX_HTTP_CACHE) -static char *ngx_http_fastcgi_cache(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_fastcgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -#endif - -static char *ngx_http_fastcgi_lowat_check(ngx_conf_t *cf, void *post, - void *data); - - -static ngx_conf_post_t ngx_http_fastcgi_lowat_post = - { ngx_http_fastcgi_lowat_check }; - - -static ngx_conf_bitmask_t ngx_http_fastcgi_next_upstream_masks[] = { - { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR }, - { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT }, - { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER }, - { ngx_string("non_idempotent"), NGX_HTTP_UPSTREAM_FT_NON_IDEMPOTENT }, - { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 }, - { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 }, - { ngx_string("http_403"), NGX_HTTP_UPSTREAM_FT_HTTP_403 }, - { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 }, - { ngx_string("http_429"), NGX_HTTP_UPSTREAM_FT_HTTP_429 }, - { ngx_string("updating"), NGX_HTTP_UPSTREAM_FT_UPDATING }, - { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF }, - { ngx_null_string, 0 } -}; - - -ngx_module_t ngx_http_fastcgi_module; - - -static ngx_command_t ngx_http_fastcgi_commands[] = { - - { ngx_string("fastcgi_pass"), - NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, - ngx_http_fastcgi_pass, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("fastcgi_index"), - 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_fastcgi_loc_conf_t, index), - NULL }, - - { ngx_string("fastcgi_split_path_info"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_fastcgi_split_path_info, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("fastcgi_store"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_fastcgi_store, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("fastcgi_store_access"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123, - ngx_conf_set_access_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.store_access), - NULL }, - - { ngx_string("fastcgi_buffering"), - 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_fastcgi_loc_conf_t, upstream.buffering), - NULL }, - - { ngx_string("fastcgi_request_buffering"), - 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_fastcgi_loc_conf_t, upstream.request_buffering), - NULL }, - - { ngx_string("fastcgi_ignore_client_abort"), - 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_fastcgi_loc_conf_t, upstream.ignore_client_abort), - NULL }, - - { ngx_string("fastcgi_bind"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, - ngx_http_upstream_bind_set_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.local), - NULL }, - - { ngx_string("fastcgi_connect_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_fastcgi_loc_conf_t, upstream.connect_timeout), - NULL }, - - { ngx_string("fastcgi_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_fastcgi_loc_conf_t, upstream.send_timeout), - NULL }, - - { ngx_string("fastcgi_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_fastcgi_loc_conf_t, upstream.send_lowat), - &ngx_http_fastcgi_lowat_post }, - - { ngx_string("fastcgi_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_fastcgi_loc_conf_t, upstream.buffer_size), - NULL }, - - { ngx_string("fastcgi_pass_request_headers"), - 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_fastcgi_loc_conf_t, upstream.pass_request_headers), - NULL }, - - { ngx_string("fastcgi_pass_request_body"), - 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_fastcgi_loc_conf_t, upstream.pass_request_body), - NULL }, - - { ngx_string("fastcgi_intercept_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_fastcgi_loc_conf_t, upstream.intercept_errors), - NULL }, - - { ngx_string("fastcgi_read_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_fastcgi_loc_conf_t, upstream.read_timeout), - NULL }, - - { ngx_string("fastcgi_buffers"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, - ngx_conf_set_bufs_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.bufs), - NULL }, - - { ngx_string("fastcgi_busy_buffers_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_fastcgi_loc_conf_t, upstream.busy_buffers_size_conf), - NULL }, - - { ngx_string("fastcgi_force_ranges"), - 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_fastcgi_loc_conf_t, upstream.force_ranges), - NULL }, - - { ngx_string("fastcgi_limit_rate"), - 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_fastcgi_loc_conf_t, upstream.limit_rate), - NULL }, - -#if (NGX_HTTP_CACHE) - - { ngx_string("fastcgi_cache"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_fastcgi_cache, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("fastcgi_cache_key"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_fastcgi_cache_key, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("fastcgi_cache_path"), - NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE, - ngx_http_file_cache_set_slot, - NGX_HTTP_MAIN_CONF_OFFSET, - offsetof(ngx_http_fastcgi_main_conf_t, caches), - &ngx_http_fastcgi_module }, - - { ngx_string("fastcgi_cache_bypass"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_set_predicate_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.cache_bypass), - NULL }, - - { ngx_string("fastcgi_no_cache"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_set_predicate_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.no_cache), - NULL }, - - { ngx_string("fastcgi_cache_valid"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_file_cache_valid_set_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.cache_valid), - NULL }, - - { ngx_string("fastcgi_cache_min_uses"), - 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_fastcgi_loc_conf_t, upstream.cache_min_uses), - NULL }, - - { ngx_string("fastcgi_cache_max_range_offset"), - 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_fastcgi_loc_conf_t, upstream.cache_max_range_offset), - NULL }, - - { ngx_string("fastcgi_cache_use_stale"), - 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_fastcgi_loc_conf_t, upstream.cache_use_stale), - &ngx_http_fastcgi_next_upstream_masks }, - - { ngx_string("fastcgi_cache_methods"), - 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_fastcgi_loc_conf_t, upstream.cache_methods), - &ngx_http_upstream_cache_method_mask }, - - { ngx_string("fastcgi_cache_lock"), - 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_fastcgi_loc_conf_t, upstream.cache_lock), - NULL }, - - { ngx_string("fastcgi_cache_lock_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_fastcgi_loc_conf_t, upstream.cache_lock_timeout), - NULL }, - - { ngx_string("fastcgi_cache_lock_age"), - 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_fastcgi_loc_conf_t, upstream.cache_lock_age), - NULL }, - - { ngx_string("fastcgi_cache_revalidate"), - 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_fastcgi_loc_conf_t, upstream.cache_revalidate), - NULL }, - - { ngx_string("fastcgi_cache_background_update"), - 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_fastcgi_loc_conf_t, upstream.cache_background_update), - NULL }, - -#endif - - { ngx_string("fastcgi_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_fastcgi_loc_conf_t, upstream.temp_path), - NULL }, - - { ngx_string("fastcgi_max_temp_file_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_fastcgi_loc_conf_t, upstream.max_temp_file_size_conf), - NULL }, - - { ngx_string("fastcgi_temp_file_write_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_fastcgi_loc_conf_t, upstream.temp_file_write_size_conf), - NULL }, - - { ngx_string("fastcgi_next_upstream"), - 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_fastcgi_loc_conf_t, upstream.next_upstream), - &ngx_http_fastcgi_next_upstream_masks }, - - { ngx_string("fastcgi_next_upstream_tries"), - 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_fastcgi_loc_conf_t, upstream.next_upstream_tries), - NULL }, - - { ngx_string("fastcgi_next_upstream_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_fastcgi_loc_conf_t, upstream.next_upstream_timeout), - NULL }, - - { ngx_string("fastcgi_param"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE23, - ngx_http_upstream_param_set_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, params_source), - NULL }, - - { ngx_string("fastcgi_pass_header"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_array_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.pass_headers), - NULL }, - - { ngx_string("fastcgi_hide_header"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_array_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.hide_headers), - NULL }, - - { ngx_string("fastcgi_ignore_headers"), - 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_fastcgi_loc_conf_t, upstream.ignore_headers), - &ngx_http_upstream_ignore_headers_masks }, - - { ngx_string("fastcgi_catch_stderr"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_array_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, catch_stderr), - NULL }, - - { ngx_string("fastcgi_keep_conn"), - 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_fastcgi_loc_conf_t, keep_conn), - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_fastcgi_module_ctx = { - ngx_http_fastcgi_add_variables, /* preconfiguration */ - NULL, /* postconfiguration */ - - ngx_http_fastcgi_create_main_conf, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_fastcgi_create_loc_conf, /* create location configuration */ - ngx_http_fastcgi_merge_loc_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_fastcgi_module = { - NGX_MODULE_V1, - &ngx_http_fastcgi_module_ctx, /* module context */ - ngx_http_fastcgi_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 -}; - - -static ngx_http_fastcgi_request_start_t ngx_http_fastcgi_request_start = { - { 1, /* version */ - NGX_HTTP_FASTCGI_BEGIN_REQUEST, /* type */ - 0, /* request_id_hi */ - 1, /* request_id_lo */ - 0, /* content_length_hi */ - sizeof(ngx_http_fastcgi_begin_request_t), /* content_length_lo */ - 0, /* padding_length */ - 0 }, /* reserved */ - - { 0, /* role_hi */ - NGX_HTTP_FASTCGI_RESPONDER, /* role_lo */ - 0, /* NGX_HTTP_FASTCGI_KEEP_CONN */ /* flags */ - { 0, 0, 0, 0, 0 } }, /* reserved[5] */ - - { 1, /* version */ - NGX_HTTP_FASTCGI_PARAMS, /* type */ - 0, /* request_id_hi */ - 1 }, /* request_id_lo */ - -}; - - -static ngx_http_variable_t ngx_http_fastcgi_vars[] = { - - { ngx_string("fastcgi_script_name"), NULL, - ngx_http_fastcgi_script_name_variable, 0, - NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 }, - - { ngx_string("fastcgi_path_info"), NULL, - ngx_http_fastcgi_path_info_variable, 0, - NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 }, - - { ngx_null_string, NULL, NULL, 0, 0, 0 } -}; - - -static ngx_str_t ngx_http_fastcgi_hide_headers[] = { - ngx_string("Status"), - ngx_string("X-Accel-Expires"), - ngx_string("X-Accel-Redirect"), - ngx_string("X-Accel-Limit-Rate"), - ngx_string("X-Accel-Buffering"), - ngx_string("X-Accel-Charset"), - ngx_null_string -}; - - -#if (NGX_HTTP_CACHE) - -static ngx_keyval_t ngx_http_fastcgi_cache_headers[] = { - { ngx_string("HTTP_IF_MODIFIED_SINCE"), - ngx_string("$upstream_cache_last_modified") }, - { ngx_string("HTTP_IF_UNMODIFIED_SINCE"), ngx_string("") }, - { ngx_string("HTTP_IF_NONE_MATCH"), ngx_string("$upstream_cache_etag") }, - { ngx_string("HTTP_IF_MATCH"), ngx_string("") }, - { ngx_string("HTTP_RANGE"), ngx_string("") }, - { ngx_string("HTTP_IF_RANGE"), ngx_string("") }, - { ngx_null_string, ngx_null_string } -}; - -#endif - - -static ngx_path_init_t ngx_http_fastcgi_temp_path = { - ngx_string(NGX_HTTP_FASTCGI_TEMP_PATH), { 1, 2, 0 } -}; - - -static ngx_int_t -ngx_http_fastcgi_handler(ngx_http_request_t *r) -{ - ngx_int_t rc; - ngx_http_upstream_t *u; - ngx_http_fastcgi_ctx_t *f; - ngx_http_fastcgi_loc_conf_t *flcf; -#if (NGX_HTTP_CACHE) - ngx_http_fastcgi_main_conf_t *fmcf; -#endif - - if (ngx_http_upstream_create(r) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - f = ngx_pcalloc(r->pool, sizeof(ngx_http_fastcgi_ctx_t)); - if (f == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - ngx_http_set_ctx(r, f, ngx_http_fastcgi_module); - - flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module); - - if (flcf->fastcgi_lengths) { - if (ngx_http_fastcgi_eval(r, flcf) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - } - - u = r->upstream; - - ngx_str_set(&u->schema, "fastcgi://"); - u->output.tag = (ngx_buf_tag_t) &ngx_http_fastcgi_module; - - u->conf = &flcf->upstream; - -#if (NGX_HTTP_CACHE) - fmcf = ngx_http_get_module_main_conf(r, ngx_http_fastcgi_module); - - u->caches = &fmcf->caches; - u->create_key = ngx_http_fastcgi_create_key; -#endif - - u->create_request = ngx_http_fastcgi_create_request; - u->reinit_request = ngx_http_fastcgi_reinit_request; - u->process_header = ngx_http_fastcgi_process_header; - u->abort_request = ngx_http_fastcgi_abort_request; - u->finalize_request = ngx_http_fastcgi_finalize_request; - r->state = 0; - - u->buffering = flcf->upstream.buffering; - - u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t)); - if (u->pipe == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - u->pipe->input_filter = ngx_http_fastcgi_input_filter; - u->pipe->input_ctx = r; - - u->input_filter_init = ngx_http_fastcgi_input_filter_init; - u->input_filter = ngx_http_fastcgi_non_buffered_filter; - u->input_filter_ctx = r; - - if (!flcf->upstream.request_buffering - && flcf->upstream.pass_request_body) - { - r->request_body_no_buffering = 1; - } - - rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init); - - if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { - return rc; - } - - return NGX_DONE; -} - - -static ngx_int_t -ngx_http_fastcgi_eval(ngx_http_request_t *r, ngx_http_fastcgi_loc_conf_t *flcf) -{ - ngx_url_t url; - ngx_http_upstream_t *u; - - ngx_memzero(&url, sizeof(ngx_url_t)); - - if (ngx_http_script_run(r, &url.url, flcf->fastcgi_lengths->elts, 0, - flcf->fastcgi_values->elts) - == NULL) - { - return NGX_ERROR; - } - - url.no_resolve = 1; - - if (ngx_parse_url(r->pool, &url) != NGX_OK) { - if (url.err) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "%s in upstream \"%V\"", url.err, &url.url); - } - - return NGX_ERROR; - } - - u = r->upstream; - - u->resolved = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_resolved_t)); - if (u->resolved == NULL) { - return NGX_ERROR; - } - - if (url.addrs) { - u->resolved->sockaddr = url.addrs[0].sockaddr; - u->resolved->socklen = url.addrs[0].socklen; - u->resolved->name = url.addrs[0].name; - u->resolved->naddrs = 1; - } - - u->resolved->host = url.host; - u->resolved->port = url.port; - u->resolved->no_port = url.no_port; - - return NGX_OK; -} - - -#if (NGX_HTTP_CACHE) - -static ngx_int_t -ngx_http_fastcgi_create_key(ngx_http_request_t *r) -{ - ngx_str_t *key; - ngx_http_fastcgi_loc_conf_t *flcf; - - key = ngx_array_push(&r->cache->keys); - if (key == NULL) { - return NGX_ERROR; - } - - flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module); - - if (ngx_http_complex_value(r, &flcf->cache_key, key) != NGX_OK) { - return NGX_ERROR; - } - - return NGX_OK; -} - -#endif - - -static ngx_int_t -ngx_http_fastcgi_create_request(ngx_http_request_t *r) -{ - off_t file_pos; - u_char ch, *pos, *lowcase_key; - size_t size, len, key_len, val_len, padding, - allocated; - ngx_uint_t i, n, next, hash, skip_empty, header_params; - ngx_buf_t *b; - ngx_chain_t *cl, *body; - ngx_list_part_t *part; - ngx_table_elt_t *header, **ignored; - ngx_http_upstream_t *u; - ngx_http_script_code_pt code; - ngx_http_script_engine_t e, le; - ngx_http_fastcgi_header_t *h; - ngx_http_fastcgi_params_t *params; - ngx_http_fastcgi_loc_conf_t *flcf; - ngx_http_script_len_code_pt lcode; - - len = 0; - header_params = 0; - ignored = NULL; - - u = r->upstream; - - flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module); - -#if (NGX_HTTP_CACHE) - params = u->cacheable ? &flcf->params_cache : &flcf->params; -#else - params = &flcf->params; -#endif - - if (params->lengths) { - ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); - - ngx_http_script_flush_no_cacheable_variables(r, params->flushes); - le.flushed = 1; - - le.ip = params->lengths->elts; - le.request = r; - - while (*(uintptr_t *) le.ip) { - - lcode = *(ngx_http_script_len_code_pt *) le.ip; - key_len = lcode(&le); - - lcode = *(ngx_http_script_len_code_pt *) le.ip; - skip_empty = lcode(&le); - - for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) { - lcode = *(ngx_http_script_len_code_pt *) le.ip; - } - le.ip += sizeof(uintptr_t); - - if (skip_empty && val_len == 0) { - continue; - } - - len += 1 + key_len + ((val_len > 127) ? 4 : 1) + val_len; - } - } - - if (flcf->upstream.pass_request_headers) { - - allocated = 0; - lowcase_key = NULL; - - if (params->number) { - n = 0; - part = &r->headers_in.headers.part; - - while (part) { - n += part->nelts; - part = part->next; - } - - ignored = ngx_palloc(r->pool, n * sizeof(void *)); - if (ignored == NULL) { - return NGX_ERROR; - } - } - - part = &r->headers_in.headers.part; - header = part->elts; - - for (i = 0; /* void */; i++) { - - if (i >= part->nelts) { - if (part->next == NULL) { - break; - } - - part = part->next; - header = part->elts; - i = 0; - } - - if (params->number) { - if (allocated < header[i].key.len) { - allocated = header[i].key.len + 16; - lowcase_key = ngx_pnalloc(r->pool, allocated); - if (lowcase_key == NULL) { - return NGX_ERROR; - } - } - - hash = 0; - - for (n = 0; n < header[i].key.len; n++) { - ch = header[i].key.data[n]; - - if (ch >= 'A' && ch <= 'Z') { - ch |= 0x20; - - } else if (ch == '-') { - ch = '_'; - } - - hash = ngx_hash(hash, ch); - lowcase_key[n] = ch; - } - - if (ngx_hash_find(¶ms->hash, hash, lowcase_key, n)) { - ignored[header_params++] = &header[i]; - continue; - } - - n += sizeof("HTTP_") - 1; - - } else { - n = sizeof("HTTP_") - 1 + header[i].key.len; - } - - len += ((n > 127) ? 4 : 1) + ((header[i].value.len > 127) ? 4 : 1) - + n + header[i].value.len; - } - } - - - if (len > 65535) { - ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, - "fastcgi request record is too big: %uz", len); - return NGX_ERROR; - } - - - padding = 8 - len % 8; - padding = (padding == 8) ? 0 : padding; - - - size = sizeof(ngx_http_fastcgi_header_t) - + sizeof(ngx_http_fastcgi_begin_request_t) - - + sizeof(ngx_http_fastcgi_header_t) /* NGX_HTTP_FASTCGI_PARAMS */ - + len + padding - + sizeof(ngx_http_fastcgi_header_t) /* NGX_HTTP_FASTCGI_PARAMS */ - - + sizeof(ngx_http_fastcgi_header_t); /* NGX_HTTP_FASTCGI_STDIN */ - - - b = ngx_create_temp_buf(r->pool, size); - if (b == NULL) { - return NGX_ERROR; - } - - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - cl->buf = b; - - ngx_http_fastcgi_request_start.br.flags = - flcf->keep_conn ? NGX_HTTP_FASTCGI_KEEP_CONN : 0; - - ngx_memcpy(b->pos, &ngx_http_fastcgi_request_start, - sizeof(ngx_http_fastcgi_request_start_t)); - - h = (ngx_http_fastcgi_header_t *) - (b->pos + sizeof(ngx_http_fastcgi_header_t) - + sizeof(ngx_http_fastcgi_begin_request_t)); - - h->content_length_hi = (u_char) ((len >> 8) & 0xff); - h->content_length_lo = (u_char) (len & 0xff); - h->padding_length = (u_char) padding; - h->reserved = 0; - - b->last = b->pos + sizeof(ngx_http_fastcgi_header_t) - + sizeof(ngx_http_fastcgi_begin_request_t) - + sizeof(ngx_http_fastcgi_header_t); - - - if (params->lengths) { - ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); - - e.ip = params->values->elts; - e.pos = b->last; - e.request = r; - e.flushed = 1; - - le.ip = params->lengths->elts; - - while (*(uintptr_t *) le.ip) { - - lcode = *(ngx_http_script_len_code_pt *) le.ip; - key_len = (u_char) lcode(&le); - - lcode = *(ngx_http_script_len_code_pt *) le.ip; - skip_empty = lcode(&le); - - for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) { - lcode = *(ngx_http_script_len_code_pt *) le.ip; - } - le.ip += sizeof(uintptr_t); - - if (skip_empty && val_len == 0) { - e.skip = 1; - - while (*(uintptr_t *) e.ip) { - code = *(ngx_http_script_code_pt *) e.ip; - code((ngx_http_script_engine_t *) &e); - } - e.ip += sizeof(uintptr_t); - - e.skip = 0; - - continue; - } - - *e.pos++ = (u_char) key_len; - - if (val_len > 127) { - *e.pos++ = (u_char) (((val_len >> 24) & 0x7f) | 0x80); - *e.pos++ = (u_char) ((val_len >> 16) & 0xff); - *e.pos++ = (u_char) ((val_len >> 8) & 0xff); - *e.pos++ = (u_char) (val_len & 0xff); - - } else { - *e.pos++ = (u_char) val_len; - } - - while (*(uintptr_t *) e.ip) { - code = *(ngx_http_script_code_pt *) e.ip; - code((ngx_http_script_engine_t *) &e); - } - e.ip += sizeof(uintptr_t); - - ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "fastcgi param: \"%*s: %*s\"", - key_len, e.pos - (key_len + val_len), - val_len, e.pos - val_len); - } - - b->last = e.pos; - } - - - if (flcf->upstream.pass_request_headers) { - - part = &r->headers_in.headers.part; - header = part->elts; - - for (i = 0; /* void */; i++) { - - if (i >= part->nelts) { - if (part->next == NULL) { - break; - } - - part = part->next; - header = part->elts; - i = 0; - } - - for (n = 0; n < header_params; n++) { - if (&header[i] == ignored[n]) { - goto next; - } - } - - key_len = sizeof("HTTP_") - 1 + header[i].key.len; - if (key_len > 127) { - *b->last++ = (u_char) (((key_len >> 24) & 0x7f) | 0x80); - *b->last++ = (u_char) ((key_len >> 16) & 0xff); - *b->last++ = (u_char) ((key_len >> 8) & 0xff); - *b->last++ = (u_char) (key_len & 0xff); - - } else { - *b->last++ = (u_char) key_len; - } - - val_len = header[i].value.len; - if (val_len > 127) { - *b->last++ = (u_char) (((val_len >> 24) & 0x7f) | 0x80); - *b->last++ = (u_char) ((val_len >> 16) & 0xff); - *b->last++ = (u_char) ((val_len >> 8) & 0xff); - *b->last++ = (u_char) (val_len & 0xff); - - } else { - *b->last++ = (u_char) val_len; - } - - b->last = ngx_cpymem(b->last, "HTTP_", sizeof("HTTP_") - 1); - - for (n = 0; n < header[i].key.len; n++) { - ch = header[i].key.data[n]; - - if (ch >= 'a' && ch <= 'z') { - ch &= ~0x20; - - } else if (ch == '-') { - ch = '_'; - } - - *b->last++ = ch; - } - - b->last = ngx_copy(b->last, header[i].value.data, val_len); - - ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "fastcgi param: \"%*s: %*s\"", - key_len, b->last - (key_len + val_len), - val_len, b->last - val_len); - next: - - continue; - } - } - - - if (padding) { - ngx_memzero(b->last, padding); - b->last += padding; - } - - - h = (ngx_http_fastcgi_header_t *) b->last; - b->last += sizeof(ngx_http_fastcgi_header_t); - - h->version = 1; - h->type = NGX_HTTP_FASTCGI_PARAMS; - h->request_id_hi = 0; - h->request_id_lo = 1; - h->content_length_hi = 0; - h->content_length_lo = 0; - h->padding_length = 0; - h->reserved = 0; - - if (r->request_body_no_buffering) { - - u->request_bufs = cl; - - u->output.output_filter = ngx_http_fastcgi_body_output_filter; - u->output.filter_ctx = r; - - } else if (flcf->upstream.pass_request_body) { - - body = u->request_bufs; - u->request_bufs = cl; - -#if (NGX_SUPPRESS_WARN) - file_pos = 0; - pos = NULL; -#endif - - while (body) { - - if (ngx_buf_special(body->buf)) { - body = body->next; - continue; - } - - if (body->buf->in_file) { - file_pos = body->buf->file_pos; - - } else { - pos = body->buf->pos; - } - - next = 0; - - do { - b = ngx_alloc_buf(r->pool); - if (b == NULL) { - return NGX_ERROR; - } - - ngx_memcpy(b, body->buf, sizeof(ngx_buf_t)); - - if (body->buf->in_file) { - b->file_pos = file_pos; - file_pos += 32 * 1024; - - if (file_pos >= body->buf->file_last) { - file_pos = body->buf->file_last; - next = 1; - } - - b->file_last = file_pos; - len = (ngx_uint_t) (file_pos - b->file_pos); - - } else { - b->pos = pos; - b->start = pos; - pos += 32 * 1024; - - if (pos >= body->buf->last) { - pos = body->buf->last; - next = 1; - } - - b->last = pos; - len = (ngx_uint_t) (pos - b->pos); - } - - padding = 8 - len % 8; - padding = (padding == 8) ? 0 : padding; - - h = (ngx_http_fastcgi_header_t *) cl->buf->last; - cl->buf->last += sizeof(ngx_http_fastcgi_header_t); - - h->version = 1; - h->type = NGX_HTTP_FASTCGI_STDIN; - h->request_id_hi = 0; - h->request_id_lo = 1; - h->content_length_hi = (u_char) ((len >> 8) & 0xff); - h->content_length_lo = (u_char) (len & 0xff); - h->padding_length = (u_char) padding; - h->reserved = 0; - - cl->next = ngx_alloc_chain_link(r->pool); - if (cl->next == NULL) { - return NGX_ERROR; - } - - cl = cl->next; - cl->buf = b; - - b = ngx_create_temp_buf(r->pool, - sizeof(ngx_http_fastcgi_header_t) - + padding); - if (b == NULL) { - return NGX_ERROR; - } - - if (padding) { - ngx_memzero(b->last, padding); - b->last += padding; - } - - cl->next = ngx_alloc_chain_link(r->pool); - if (cl->next == NULL) { - return NGX_ERROR; - } - - cl = cl->next; - cl->buf = b; - - } while (!next); - - body = body->next; - } - - } else { - u->request_bufs = cl; - } - - if (!r->request_body_no_buffering) { - h = (ngx_http_fastcgi_header_t *) cl->buf->last; - cl->buf->last += sizeof(ngx_http_fastcgi_header_t); - - h->version = 1; - h->type = NGX_HTTP_FASTCGI_STDIN; - h->request_id_hi = 0; - h->request_id_lo = 1; - h->content_length_hi = 0; - h->content_length_lo = 0; - h->padding_length = 0; - h->reserved = 0; - } - - cl->next = NULL; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_fastcgi_reinit_request(ngx_http_request_t *r) -{ - ngx_http_fastcgi_ctx_t *f; - - f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module); - - if (f == NULL) { - return NGX_OK; - } - - f->state = ngx_http_fastcgi_st_version; - f->fastcgi_stdout = 0; - f->large_stderr = 0; - - if (f->split_parts) { - f->split_parts->nelts = 0; - } - - r->state = 0; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_fastcgi_body_output_filter(void *data, ngx_chain_t *in) -{ - ngx_http_request_t *r = data; - - off_t file_pos; - u_char *pos, *start; - size_t len, padding; - ngx_buf_t *b; - ngx_int_t rc; - ngx_uint_t next, last; - ngx_chain_t *cl, *tl, *out, **ll; - ngx_http_fastcgi_ctx_t *f; - ngx_http_fastcgi_header_t *h; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "fastcgi output filter"); - - f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module); - - if (in == NULL) { - out = in; - goto out; - } - - out = NULL; - ll = &out; - - if (!f->header_sent) { - /* first buffer contains headers, pass it unmodified */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "fastcgi output header"); - - f->header_sent = 1; - - tl = ngx_alloc_chain_link(r->pool); - if (tl == NULL) { - return NGX_ERROR; - } - - tl->buf = in->buf; - *ll = tl; - ll = &tl->next; - - in = in->next; - - if (in == NULL) { - tl->next = NULL; - goto out; - } - } - - cl = ngx_chain_get_free_buf(r->pool, &f->free); - if (cl == NULL) { - return NGX_ERROR; - } - - b = cl->buf; - - b->tag = (ngx_buf_tag_t) &ngx_http_fastcgi_body_output_filter; - b->temporary = 1; - - if (b->start == NULL) { - /* reserve space for maximum possible padding, 7 bytes */ - - b->start = ngx_palloc(r->pool, - sizeof(ngx_http_fastcgi_header_t) + 7); - if (b->start == NULL) { - return NGX_ERROR; - } - - b->pos = b->start; - b->last = b->start; - - b->end = b->start + sizeof(ngx_http_fastcgi_header_t) + 7; - } - - *ll = cl; - - last = 0; - padding = 0; - -#if (NGX_SUPPRESS_WARN) - file_pos = 0; - pos = NULL; -#endif - - while (in) { - - ngx_log_debug7(NGX_LOG_DEBUG_EVENT, r->connection->log, 0, - "fastcgi output in l:%d f:%d %p, pos %p, size: %z " - "file: %O, size: %O", - in->buf->last_buf, - in->buf->in_file, - in->buf->start, in->buf->pos, - in->buf->last - in->buf->pos, - in->buf->file_pos, - in->buf->file_last - in->buf->file_pos); - - if (in->buf->last_buf) { - last = 1; - } - - if (ngx_buf_special(in->buf)) { - in = in->next; - continue; - } - - if (in->buf->in_file) { - file_pos = in->buf->file_pos; - - } else { - pos = in->buf->pos; - } - - next = 0; - - do { - tl = ngx_chain_get_free_buf(r->pool, &f->free); - if (tl == NULL) { - return NGX_ERROR; - } - - b = tl->buf; - start = b->start; - - ngx_memcpy(b, in->buf, sizeof(ngx_buf_t)); - - /* - * restore b->start to preserve memory allocated in the buffer, - * to reuse it later for headers and padding - */ - - b->start = start; - - if (in->buf->in_file) { - b->file_pos = file_pos; - file_pos += 32 * 1024; - - if (file_pos >= in->buf->file_last) { - file_pos = in->buf->file_last; - next = 1; - } - - b->file_last = file_pos; - len = (ngx_uint_t) (file_pos - b->file_pos); - - } else { - b->pos = pos; - pos += 32 * 1024; - - if (pos >= in->buf->last) { - pos = in->buf->last; - next = 1; - } - - b->last = pos; - len = (ngx_uint_t) (pos - b->pos); - } - - b->tag = (ngx_buf_tag_t) &ngx_http_fastcgi_body_output_filter; - b->shadow = in->buf; - b->last_shadow = next; - - b->last_buf = 0; - b->last_in_chain = 0; - - padding = 8 - len % 8; - padding = (padding == 8) ? 0 : padding; - - h = (ngx_http_fastcgi_header_t *) cl->buf->last; - cl->buf->last += sizeof(ngx_http_fastcgi_header_t); - - h->version = 1; - h->type = NGX_HTTP_FASTCGI_STDIN; - h->request_id_hi = 0; - h->request_id_lo = 1; - h->content_length_hi = (u_char) ((len >> 8) & 0xff); - h->content_length_lo = (u_char) (len & 0xff); - h->padding_length = (u_char) padding; - h->reserved = 0; - - cl->next = tl; - cl = tl; - - tl = ngx_chain_get_free_buf(r->pool, &f->free); - if (tl == NULL) { - return NGX_ERROR; - } - - b = tl->buf; - - b->tag = (ngx_buf_tag_t) &ngx_http_fastcgi_body_output_filter; - b->temporary = 1; - - if (b->start == NULL) { - /* reserve space for maximum possible padding, 7 bytes */ - - b->start = ngx_palloc(r->pool, - sizeof(ngx_http_fastcgi_header_t) + 7); - if (b->start == NULL) { - return NGX_ERROR; - } - - b->pos = b->start; - b->last = b->start; - - b->end = b->start + sizeof(ngx_http_fastcgi_header_t) + 7; - } - - if (padding) { - ngx_memzero(b->last, padding); - b->last += padding; - } - - cl->next = tl; - cl = tl; - - } while (!next); - - in = in->next; - } - - if (last) { - h = (ngx_http_fastcgi_header_t *) cl->buf->last; - cl->buf->last += sizeof(ngx_http_fastcgi_header_t); - - h->version = 1; - h->type = NGX_HTTP_FASTCGI_STDIN; - h->request_id_hi = 0; - h->request_id_lo = 1; - h->content_length_hi = 0; - h->content_length_lo = 0; - h->padding_length = 0; - h->reserved = 0; - - cl->buf->last_buf = 1; - - } else if (padding == 0) { - /* TODO: do not allocate buffers instead */ - cl->buf->temporary = 0; - cl->buf->sync = 1; - } - - cl->next = NULL; - -out: - -#if (NGX_DEBUG) - - for (cl = out; cl; cl = cl->next) { - ngx_log_debug7(NGX_LOG_DEBUG_EVENT, r->connection->log, 0, - "fastcgi output out l:%d f:%d %p, pos %p, size: %z " - "file: %O, size: %O", - cl->buf->last_buf, - cl->buf->in_file, - cl->buf->start, cl->buf->pos, - cl->buf->last - cl->buf->pos, - cl->buf->file_pos, - cl->buf->file_last - cl->buf->file_pos); - } - -#endif - - rc = ngx_chain_writer(&r->upstream->writer, out); - - ngx_chain_update_chains(r->pool, &f->free, &f->busy, &out, - (ngx_buf_tag_t) &ngx_http_fastcgi_body_output_filter); - - for (cl = f->free; cl; cl = cl->next) { - - /* mark original buffers as sent */ - - if (cl->buf->shadow) { - if (cl->buf->last_shadow) { - b = cl->buf->shadow; - b->pos = b->last; - } - - cl->buf->shadow = NULL; - } - } - - return rc; -} - - -static ngx_int_t -ngx_http_fastcgi_process_header(ngx_http_request_t *r) -{ - u_char *p, *msg, *start, *last, - *part_start, *part_end; - size_t size; - ngx_str_t *status_line, *pattern; - ngx_int_t rc, status; - ngx_buf_t buf; - ngx_uint_t i; - ngx_table_elt_t *h; - ngx_http_upstream_t *u; - ngx_http_fastcgi_ctx_t *f; - ngx_http_upstream_header_t *hh; - ngx_http_fastcgi_loc_conf_t *flcf; - ngx_http_fastcgi_split_part_t *part; - ngx_http_upstream_main_conf_t *umcf; - - f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module); - - umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); - - u = r->upstream; - - for ( ;; ) { - - if (f->state < ngx_http_fastcgi_st_data) { - - f->pos = u->buffer.pos; - f->last = u->buffer.last; - - rc = ngx_http_fastcgi_process_record(r, f); - - u->buffer.pos = f->pos; - u->buffer.last = f->last; - - if (rc == NGX_AGAIN) { - return NGX_AGAIN; - } - - if (rc == NGX_ERROR) { - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - if (f->type != NGX_HTTP_FASTCGI_STDOUT - && f->type != NGX_HTTP_FASTCGI_STDERR) - { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent unexpected FastCGI record: %ui", - f->type); - - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - if (f->type == NGX_HTTP_FASTCGI_STDOUT && f->length == 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream prematurely closed FastCGI stdout"); - - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - } - - if (f->state == ngx_http_fastcgi_st_padding) { - - if (u->buffer.pos + f->padding < u->buffer.last) { - f->state = ngx_http_fastcgi_st_version; - u->buffer.pos += f->padding; - - continue; - } - - if (u->buffer.pos + f->padding == u->buffer.last) { - f->state = ngx_http_fastcgi_st_version; - u->buffer.pos = u->buffer.last; - - return NGX_AGAIN; - } - - f->padding -= u->buffer.last - u->buffer.pos; - u->buffer.pos = u->buffer.last; - - return NGX_AGAIN; - } - - - /* f->state == ngx_http_fastcgi_st_data */ - - if (f->type == NGX_HTTP_FASTCGI_STDERR) { - - if (f->length) { - msg = u->buffer.pos; - - if (u->buffer.pos + f->length <= u->buffer.last) { - u->buffer.pos += f->length; - f->length = 0; - f->state = ngx_http_fastcgi_st_padding; - - } else { - f->length -= u->buffer.last - u->buffer.pos; - u->buffer.pos = u->buffer.last; - } - - for (p = u->buffer.pos - 1; msg < p; p--) { - if (*p != LF && *p != CR && *p != '.' && *p != ' ') { - break; - } - } - - p++; - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "FastCGI sent in stderr: \"%*s\"", p - msg, msg); - - flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module); - - if (flcf->catch_stderr) { - pattern = flcf->catch_stderr->elts; - - for (i = 0; i < flcf->catch_stderr->nelts; i++) { - if (ngx_strnstr(msg, (char *) pattern[i].data, - p - msg) - != NULL) - { - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - } - } - - if (u->buffer.pos == u->buffer.last) { - - if (!f->fastcgi_stdout) { - - /* - * the special handling the large number - * of the PHP warnings to not allocate memory - */ - -#if (NGX_HTTP_CACHE) - if (r->cache) { - u->buffer.pos = u->buffer.start - + r->cache->header_start; - } else { - u->buffer.pos = u->buffer.start; - } -#else - u->buffer.pos = u->buffer.start; -#endif - u->buffer.last = u->buffer.pos; - f->large_stderr = 1; - } - - return NGX_AGAIN; - } - - } else { - f->state = ngx_http_fastcgi_st_padding; - } - - continue; - } - - - /* f->type == NGX_HTTP_FASTCGI_STDOUT */ - -#if (NGX_HTTP_CACHE) - - if (f->large_stderr && r->cache) { - ssize_t len; - ngx_http_fastcgi_header_t *fh; - - start = u->buffer.start + r->cache->header_start; - - len = u->buffer.pos - start - 2 * sizeof(ngx_http_fastcgi_header_t); - - /* - * A tail of large stderr output before HTTP header is placed - * in a cache file without a FastCGI record header. - * To workaround it we put a dummy FastCGI record header at the - * start of the stderr output or update r->cache_header_start, - * if there is no enough place for the record header. - */ - - if (len >= 0) { - fh = (ngx_http_fastcgi_header_t *) start; - fh->version = 1; - fh->type = NGX_HTTP_FASTCGI_STDERR; - fh->request_id_hi = 0; - fh->request_id_lo = 1; - fh->content_length_hi = (u_char) ((len >> 8) & 0xff); - fh->content_length_lo = (u_char) (len & 0xff); - fh->padding_length = 0; - fh->reserved = 0; - - } else { - r->cache->header_start += u->buffer.pos - start - - sizeof(ngx_http_fastcgi_header_t); - } - - f->large_stderr = 0; - } - -#endif - - f->fastcgi_stdout = 1; - - start = u->buffer.pos; - - if (u->buffer.pos + f->length < u->buffer.last) { - - /* - * set u->buffer.last to the end of the FastCGI record data - * for ngx_http_parse_header_line() - */ - - last = u->buffer.last; - u->buffer.last = u->buffer.pos + f->length; - - } else { - last = NULL; - } - - for ( ;; ) { - - part_start = u->buffer.pos; - part_end = u->buffer.last; - - rc = ngx_http_parse_header_line(r, &u->buffer, 1); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http fastcgi parser: %i", rc); - - if (rc == NGX_AGAIN) { - break; - } - - if (rc == NGX_OK) { - - /* a header line has been parsed successfully */ - - h = ngx_list_push(&u->headers_in.headers); - if (h == NULL) { - return NGX_ERROR; - } - - if (f->split_parts && f->split_parts->nelts) { - - part = f->split_parts->elts; - size = u->buffer.pos - part_start; - - for (i = 0; i < f->split_parts->nelts; i++) { - size += part[i].end - part[i].start; - } - - p = ngx_pnalloc(r->pool, size); - if (p == NULL) { - return NGX_ERROR; - } - - buf.pos = p; - - for (i = 0; i < f->split_parts->nelts; i++) { - p = ngx_cpymem(p, part[i].start, - part[i].end - part[i].start); - } - - p = ngx_cpymem(p, part_start, u->buffer.pos - part_start); - - buf.last = p; - - f->split_parts->nelts = 0; - - rc = ngx_http_parse_header_line(r, &buf, 1); - - if (rc != NGX_OK) { - ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, - "invalid header after joining " - "FastCGI records"); - return NGX_ERROR; - } - - h->key.len = r->header_name_end - r->header_name_start; - h->key.data = r->header_name_start; - h->key.data[h->key.len] = '\0'; - - h->value.len = r->header_end - r->header_start; - h->value.data = r->header_start; - h->value.data[h->value.len] = '\0'; - - h->lowcase_key = ngx_pnalloc(r->pool, h->key.len); - if (h->lowcase_key == NULL) { - return NGX_ERROR; - } - - } else { - - h->key.len = r->header_name_end - r->header_name_start; - h->value.len = r->header_end - r->header_start; - - h->key.data = ngx_pnalloc(r->pool, - h->key.len + 1 + h->value.len + 1 - + h->key.len); - if (h->key.data == NULL) { - return NGX_ERROR; - } - - h->value.data = h->key.data + h->key.len + 1; - h->lowcase_key = h->key.data + h->key.len + 1 - + h->value.len + 1; - - ngx_memcpy(h->key.data, r->header_name_start, h->key.len); - h->key.data[h->key.len] = '\0'; - ngx_memcpy(h->value.data, r->header_start, h->value.len); - h->value.data[h->value.len] = '\0'; - } - - h->hash = r->header_hash; - - if (h->key.len == r->lowcase_index) { - ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len); - - } else { - ngx_strlow(h->lowcase_key, h->key.data, h->key.len); - } - - hh = ngx_hash_find(&umcf->headers_in_hash, h->hash, - h->lowcase_key, h->key.len); - - if (hh && hh->handler(r, h, hh->offset) != NGX_OK) { - return NGX_ERROR; - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http fastcgi header: \"%V: %V\"", - &h->key, &h->value); - - if (u->buffer.pos < u->buffer.last) { - continue; - } - - /* the end of the FastCGI record */ - - break; - } - - if (rc == NGX_HTTP_PARSE_HEADER_DONE) { - - /* a whole header has been parsed successfully */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http fastcgi header done"); - - if (u->headers_in.status) { - status_line = &u->headers_in.status->value; - - status = ngx_atoi(status_line->data, 3); - - if (status == NGX_ERROR) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid status \"%V\"", - status_line); - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - u->headers_in.status_n = status; - u->headers_in.status_line = *status_line; - - } else if (u->headers_in.location) { - u->headers_in.status_n = 302; - ngx_str_set(&u->headers_in.status_line, - "302 Moved Temporarily"); - - } else { - u->headers_in.status_n = 200; - ngx_str_set(&u->headers_in.status_line, "200 OK"); - } - - if (u->state && u->state->status == 0) { - u->state->status = u->headers_in.status_n; - } - - break; - } - - /* there was error while a header line parsing */ - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid header"); - - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - if (last) { - u->buffer.last = last; - } - - f->length -= u->buffer.pos - start; - - if (f->length == 0) { - f->state = ngx_http_fastcgi_st_padding; - } - - if (rc == NGX_HTTP_PARSE_HEADER_DONE) { - return NGX_OK; - } - - if (rc == NGX_OK) { - continue; - } - - /* rc == NGX_AGAIN */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "upstream split a header line in FastCGI records"); - - if (f->split_parts == NULL) { - f->split_parts = ngx_array_create(r->pool, 1, - sizeof(ngx_http_fastcgi_split_part_t)); - if (f->split_parts == NULL) { - return NGX_ERROR; - } - } - - part = ngx_array_push(f->split_parts); - if (part == NULL) { - return NGX_ERROR; - } - - part->start = part_start; - part->end = part_end; - - if (u->buffer.pos < u->buffer.last) { - continue; - } - - return NGX_AGAIN; - } -} - - -static ngx_int_t -ngx_http_fastcgi_input_filter_init(void *data) -{ - ngx_http_request_t *r = data; - ngx_http_fastcgi_loc_conf_t *flcf; - - flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module); - - r->upstream->pipe->length = flcf->keep_conn ? - (off_t) sizeof(ngx_http_fastcgi_header_t) : -1; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_fastcgi_input_filter(ngx_event_pipe_t *p, ngx_buf_t *buf) -{ - u_char *m, *msg; - ngx_int_t rc; - ngx_buf_t *b, **prev; - ngx_chain_t *cl; - ngx_http_request_t *r; - ngx_http_fastcgi_ctx_t *f; - ngx_http_fastcgi_loc_conf_t *flcf; - - if (buf->pos == buf->last) { - return NGX_OK; - } - - r = p->input_ctx; - f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module); - flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module); - - b = NULL; - prev = &buf->shadow; - - f->pos = buf->pos; - f->last = buf->last; - - for ( ;; ) { - if (f->state < ngx_http_fastcgi_st_data) { - - rc = ngx_http_fastcgi_process_record(r, f); - - if (rc == NGX_AGAIN) { - break; - } - - if (rc == NGX_ERROR) { - return NGX_ERROR; - } - - if (f->type == NGX_HTTP_FASTCGI_STDOUT && f->length == 0) { - f->state = ngx_http_fastcgi_st_padding; - - if (!flcf->keep_conn) { - p->upstream_done = 1; - } - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, p->log, 0, - "http fastcgi closed stdout"); - - continue; - } - - if (f->type == NGX_HTTP_FASTCGI_END_REQUEST) { - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, p->log, 0, - "http fastcgi sent end request"); - - if (!flcf->keep_conn) { - p->upstream_done = 1; - break; - } - - continue; - } - } - - - if (f->state == ngx_http_fastcgi_st_padding) { - - if (f->type == NGX_HTTP_FASTCGI_END_REQUEST) { - - if (f->pos + f->padding < f->last) { - p->upstream_done = 1; - break; - } - - if (f->pos + f->padding == f->last) { - p->upstream_done = 1; - r->upstream->keepalive = 1; - break; - } - - f->padding -= f->last - f->pos; - - break; - } - - if (f->pos + f->padding < f->last) { - f->state = ngx_http_fastcgi_st_version; - f->pos += f->padding; - - continue; - } - - if (f->pos + f->padding == f->last) { - f->state = ngx_http_fastcgi_st_version; - - break; - } - - f->padding -= f->last - f->pos; - - break; - } - - - /* f->state == ngx_http_fastcgi_st_data */ - - if (f->type == NGX_HTTP_FASTCGI_STDERR) { - - if (f->length) { - - if (f->pos == f->last) { - break; - } - - msg = f->pos; - - if (f->pos + f->length <= f->last) { - f->pos += f->length; - f->length = 0; - f->state = ngx_http_fastcgi_st_padding; - - } else { - f->length -= f->last - f->pos; - f->pos = f->last; - } - - for (m = f->pos - 1; msg < m; m--) { - if (*m != LF && *m != CR && *m != '.' && *m != ' ') { - break; - } - } - - ngx_log_error(NGX_LOG_ERR, p->log, 0, - "FastCGI sent in stderr: \"%*s\"", - m + 1 - msg, msg); - - } else { - f->state = ngx_http_fastcgi_st_padding; - } - - continue; - } - - if (f->type == NGX_HTTP_FASTCGI_END_REQUEST) { - - if (f->pos + f->length <= f->last) { - f->state = ngx_http_fastcgi_st_padding; - f->pos += f->length; - - continue; - } - - f->length -= f->last - f->pos; - - break; - } - - - /* f->type == NGX_HTTP_FASTCGI_STDOUT */ - - if (f->pos == f->last) { - break; - } - - cl = ngx_chain_get_free_buf(p->pool, &p->free); - if (cl == NULL) { - return NGX_ERROR; - } - - b = cl->buf; - - ngx_memzero(b, sizeof(ngx_buf_t)); - - b->pos = f->pos; - b->start = buf->start; - b->end = buf->end; - b->tag = p->tag; - b->temporary = 1; - b->recycled = 1; - - *prev = b; - prev = &b->shadow; - - if (p->in) { - *p->last_in = cl; - } else { - p->in = cl; - } - p->last_in = &cl->next; - - - /* STUB */ b->num = buf->num; - - ngx_log_debug2(NGX_LOG_DEBUG_EVENT, p->log, 0, - "input buf #%d %p", b->num, b->pos); - - if (f->pos + f->length <= f->last) { - f->state = ngx_http_fastcgi_st_padding; - f->pos += f->length; - b->last = f->pos; - - continue; - } - - f->length -= f->last - f->pos; - - b->last = f->last; - - break; - - } - - if (flcf->keep_conn) { - - /* set p->length, minimal amount of data we want to see */ - - if (f->state < ngx_http_fastcgi_st_data) { - p->length = 1; - - } else if (f->state == ngx_http_fastcgi_st_padding) { - p->length = f->padding; - - } else { - /* ngx_http_fastcgi_st_data */ - - p->length = f->length; - } - } - - if (b) { - b->shadow = buf; - b->last_shadow = 1; - - ngx_log_debug2(NGX_LOG_DEBUG_EVENT, p->log, 0, - "input buf %p %z", b->pos, b->last - b->pos); - - return NGX_OK; - } - - /* there is no data record in the buf, add it to free chain */ - - if (ngx_event_pipe_add_free_buf(p, buf) != NGX_OK) { - return NGX_ERROR; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_fastcgi_non_buffered_filter(void *data, ssize_t bytes) -{ - u_char *m, *msg; - ngx_int_t rc; - ngx_buf_t *b, *buf; - ngx_chain_t *cl, **ll; - ngx_http_request_t *r; - ngx_http_upstream_t *u; - ngx_http_fastcgi_ctx_t *f; - - r = data; - f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module); - - u = r->upstream; - buf = &u->buffer; - - buf->pos = buf->last; - buf->last += bytes; - - for (cl = u->out_bufs, ll = &u->out_bufs; cl; cl = cl->next) { - ll = &cl->next; - } - - f->pos = buf->pos; - f->last = buf->last; - - for ( ;; ) { - if (f->state < ngx_http_fastcgi_st_data) { - - rc = ngx_http_fastcgi_process_record(r, f); - - if (rc == NGX_AGAIN) { - break; - } - - if (rc == NGX_ERROR) { - return NGX_ERROR; - } - - if (f->type == NGX_HTTP_FASTCGI_STDOUT && f->length == 0) { - f->state = ngx_http_fastcgi_st_padding; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http fastcgi closed stdout"); - - continue; - } - } - - if (f->state == ngx_http_fastcgi_st_padding) { - - if (f->type == NGX_HTTP_FASTCGI_END_REQUEST) { - - if (f->pos + f->padding < f->last) { - u->length = 0; - break; - } - - if (f->pos + f->padding == f->last) { - u->length = 0; - u->keepalive = 1; - break; - } - - f->padding -= f->last - f->pos; - - break; - } - - if (f->pos + f->padding < f->last) { - f->state = ngx_http_fastcgi_st_version; - f->pos += f->padding; - - continue; - } - - if (f->pos + f->padding == f->last) { - f->state = ngx_http_fastcgi_st_version; - - break; - } - - f->padding -= f->last - f->pos; - - break; - } - - - /* f->state == ngx_http_fastcgi_st_data */ - - if (f->type == NGX_HTTP_FASTCGI_STDERR) { - - if (f->length) { - - if (f->pos == f->last) { - break; - } - - msg = f->pos; - - if (f->pos + f->length <= f->last) { - f->pos += f->length; - f->length = 0; - f->state = ngx_http_fastcgi_st_padding; - - } else { - f->length -= f->last - f->pos; - f->pos = f->last; - } - - for (m = f->pos - 1; msg < m; m--) { - if (*m != LF && *m != CR && *m != '.' && *m != ' ') { - break; - } - } - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "FastCGI sent in stderr: \"%*s\"", - m + 1 - msg, msg); - - } else { - f->state = ngx_http_fastcgi_st_padding; - } - - continue; - } - - if (f->type == NGX_HTTP_FASTCGI_END_REQUEST) { - - if (f->pos + f->length <= f->last) { - f->state = ngx_http_fastcgi_st_padding; - f->pos += f->length; - - continue; - } - - f->length -= f->last - f->pos; - - break; - } - - - /* f->type == NGX_HTTP_FASTCGI_STDOUT */ - - if (f->pos == f->last) { - break; - } - - cl = ngx_chain_get_free_buf(r->pool, &u->free_bufs); - if (cl == NULL) { - return NGX_ERROR; - } - - *ll = cl; - ll = &cl->next; - - b = cl->buf; - - b->flush = 1; - b->memory = 1; - - b->pos = f->pos; - b->tag = u->output.tag; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http fastcgi output buf %p", b->pos); - - if (f->pos + f->length <= f->last) { - f->state = ngx_http_fastcgi_st_padding; - f->pos += f->length; - b->last = f->pos; - - continue; - } - - f->length -= f->last - f->pos; - b->last = f->last; - - break; - } - - /* provide continuous buffer for subrequests in memory */ - - if (r->subrequest_in_memory) { - - cl = u->out_bufs; - - if (cl) { - buf->pos = cl->buf->pos; - } - - buf->last = buf->pos; - - for (cl = u->out_bufs; cl; cl = cl->next) { - ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http fastcgi in memory %p-%p %O", - cl->buf->pos, cl->buf->last, ngx_buf_size(cl->buf)); - - if (buf->last == cl->buf->pos) { - buf->last = cl->buf->last; - continue; - } - - buf->last = ngx_movemem(buf->last, cl->buf->pos, - cl->buf->last - cl->buf->pos); - - cl->buf->pos = buf->last - (cl->buf->last - cl->buf->pos); - cl->buf->last = buf->last; - } - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_fastcgi_process_record(ngx_http_request_t *r, - ngx_http_fastcgi_ctx_t *f) -{ - u_char ch, *p; - ngx_http_fastcgi_state_e state; - - state = f->state; - - for (p = f->pos; p < f->last; p++) { - - ch = *p; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http fastcgi record byte: %02Xd", ch); - - switch (state) { - - case ngx_http_fastcgi_st_version: - if (ch != 1) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent unsupported FastCGI " - "protocol version: %d", ch); - return NGX_ERROR; - } - state = ngx_http_fastcgi_st_type; - break; - - case ngx_http_fastcgi_st_type: - switch (ch) { - case NGX_HTTP_FASTCGI_STDOUT: - case NGX_HTTP_FASTCGI_STDERR: - case NGX_HTTP_FASTCGI_END_REQUEST: - f->type = (ngx_uint_t) ch; - break; - default: - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid FastCGI " - "record type: %d", ch); - return NGX_ERROR; - - } - state = ngx_http_fastcgi_st_request_id_hi; - break; - - /* we support the single request per connection */ - - case ngx_http_fastcgi_st_request_id_hi: - if (ch != 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent unexpected FastCGI " - "request id high byte: %d", ch); - return NGX_ERROR; - } - state = ngx_http_fastcgi_st_request_id_lo; - break; - - case ngx_http_fastcgi_st_request_id_lo: - if (ch != 1) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent unexpected FastCGI " - "request id low byte: %d", ch); - return NGX_ERROR; - } - state = ngx_http_fastcgi_st_content_length_hi; - break; - - case ngx_http_fastcgi_st_content_length_hi: - f->length = ch << 8; - state = ngx_http_fastcgi_st_content_length_lo; - break; - - case ngx_http_fastcgi_st_content_length_lo: - f->length |= (size_t) ch; - state = ngx_http_fastcgi_st_padding_length; - break; - - case ngx_http_fastcgi_st_padding_length: - f->padding = (size_t) ch; - state = ngx_http_fastcgi_st_reserved; - break; - - case ngx_http_fastcgi_st_reserved: - state = ngx_http_fastcgi_st_data; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http fastcgi record length: %z", f->length); - - f->pos = p + 1; - f->state = state; - - return NGX_OK; - - /* suppress warning */ - case ngx_http_fastcgi_st_data: - case ngx_http_fastcgi_st_padding: - break; - } - } - - f->state = state; - - return NGX_AGAIN; -} - - -static void -ngx_http_fastcgi_abort_request(ngx_http_request_t *r) -{ - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "abort http fastcgi request"); - - return; -} - - -static void -ngx_http_fastcgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc) -{ - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "finalize http fastcgi request"); - - return; -} - - -static ngx_int_t -ngx_http_fastcgi_add_variables(ngx_conf_t *cf) -{ - ngx_http_variable_t *var, *v; - - for (v = ngx_http_fastcgi_vars; v->name.len; v++) { - var = ngx_http_add_variable(cf, &v->name, v->flags); - if (var == NULL) { - return NGX_ERROR; - } - - var->get_handler = v->get_handler; - var->data = v->data; - } - - return NGX_OK; -} - - -static void * -ngx_http_fastcgi_create_main_conf(ngx_conf_t *cf) -{ - ngx_http_fastcgi_main_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_fastcgi_main_conf_t)); - if (conf == NULL) { - return NULL; - } - -#if (NGX_HTTP_CACHE) - if (ngx_array_init(&conf->caches, cf->pool, 4, - sizeof(ngx_http_file_cache_t *)) - != NGX_OK) - { - return NULL; - } -#endif - - return conf; -} - - -static void * -ngx_http_fastcgi_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_fastcgi_loc_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_fastcgi_loc_conf_t)); - if (conf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * conf->upstream.bufs.num = 0; - * conf->upstream.ignore_headers = 0; - * conf->upstream.next_upstream = 0; - * conf->upstream.cache_zone = NULL; - * conf->upstream.cache_use_stale = 0; - * conf->upstream.cache_methods = 0; - * conf->upstream.temp_path = NULL; - * conf->upstream.hide_headers_hash = { NULL, 0 }; - * conf->upstream.uri = { 0, NULL }; - * conf->upstream.location = NULL; - * conf->upstream.store_lengths = NULL; - * conf->upstream.store_values = NULL; - * - * conf->index.len = { 0, NULL }; - */ - - conf->upstream.store = NGX_CONF_UNSET; - conf->upstream.store_access = NGX_CONF_UNSET_UINT; - conf->upstream.next_upstream_tries = NGX_CONF_UNSET_UINT; - conf->upstream.buffering = NGX_CONF_UNSET; - conf->upstream.request_buffering = NGX_CONF_UNSET; - conf->upstream.ignore_client_abort = NGX_CONF_UNSET; - conf->upstream.force_ranges = NGX_CONF_UNSET; - - conf->upstream.local = NGX_CONF_UNSET_PTR; - - conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC; - conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC; - conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC; - conf->upstream.next_upstream_timeout = NGX_CONF_UNSET_MSEC; - - conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE; - conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE; - conf->upstream.limit_rate = NGX_CONF_UNSET_SIZE; - - conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE; - conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE; - conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE; - - conf->upstream.pass_request_headers = NGX_CONF_UNSET; - conf->upstream.pass_request_body = NGX_CONF_UNSET; - -#if (NGX_HTTP_CACHE) - conf->upstream.cache = NGX_CONF_UNSET; - conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT; - conf->upstream.cache_max_range_offset = NGX_CONF_UNSET; - conf->upstream.cache_bypass = NGX_CONF_UNSET_PTR; - conf->upstream.no_cache = NGX_CONF_UNSET_PTR; - conf->upstream.cache_valid = NGX_CONF_UNSET_PTR; - conf->upstream.cache_lock = NGX_CONF_UNSET; - conf->upstream.cache_lock_timeout = NGX_CONF_UNSET_MSEC; - conf->upstream.cache_lock_age = NGX_CONF_UNSET_MSEC; - conf->upstream.cache_revalidate = NGX_CONF_UNSET; - conf->upstream.cache_background_update = NGX_CONF_UNSET; -#endif - - conf->upstream.hide_headers = NGX_CONF_UNSET_PTR; - conf->upstream.pass_headers = NGX_CONF_UNSET_PTR; - - conf->upstream.intercept_errors = NGX_CONF_UNSET; - - /* "fastcgi_cyclic_temp_file" is disabled */ - conf->upstream.cyclic_temp_file = 0; - - conf->upstream.change_buffering = 1; - - conf->catch_stderr = NGX_CONF_UNSET_PTR; - - conf->keep_conn = NGX_CONF_UNSET; - - ngx_str_set(&conf->upstream.module, "fastcgi"); - - return conf; -} - - -static char * -ngx_http_fastcgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_fastcgi_loc_conf_t *prev = parent; - ngx_http_fastcgi_loc_conf_t *conf = child; - - size_t size; - ngx_int_t rc; - ngx_hash_init_t hash; - ngx_http_core_loc_conf_t *clcf; - -#if (NGX_HTTP_CACHE) - - if (conf->upstream.store > 0) { - conf->upstream.cache = 0; - } - - if (conf->upstream.cache > 0) { - conf->upstream.store = 0; - } - -#endif - - if (conf->upstream.store == NGX_CONF_UNSET) { - ngx_conf_merge_value(conf->upstream.store, - prev->upstream.store, 0); - - conf->upstream.store_lengths = prev->upstream.store_lengths; - conf->upstream.store_values = prev->upstream.store_values; - } - - ngx_conf_merge_uint_value(conf->upstream.store_access, - prev->upstream.store_access, 0600); - - ngx_conf_merge_uint_value(conf->upstream.next_upstream_tries, - prev->upstream.next_upstream_tries, 0); - - ngx_conf_merge_value(conf->upstream.buffering, - prev->upstream.buffering, 1); - - ngx_conf_merge_value(conf->upstream.request_buffering, - prev->upstream.request_buffering, 1); - - ngx_conf_merge_value(conf->upstream.ignore_client_abort, - prev->upstream.ignore_client_abort, 0); - - ngx_conf_merge_value(conf->upstream.force_ranges, - prev->upstream.force_ranges, 0); - - ngx_conf_merge_ptr_value(conf->upstream.local, - prev->upstream.local, NULL); - - ngx_conf_merge_msec_value(conf->upstream.connect_timeout, - prev->upstream.connect_timeout, 60000); - - ngx_conf_merge_msec_value(conf->upstream.send_timeout, - prev->upstream.send_timeout, 60000); - - ngx_conf_merge_msec_value(conf->upstream.read_timeout, - prev->upstream.read_timeout, 60000); - - ngx_conf_merge_msec_value(conf->upstream.next_upstream_timeout, - prev->upstream.next_upstream_timeout, 0); - - ngx_conf_merge_size_value(conf->upstream.send_lowat, - prev->upstream.send_lowat, 0); - - ngx_conf_merge_size_value(conf->upstream.buffer_size, - prev->upstream.buffer_size, - (size_t) ngx_pagesize); - - ngx_conf_merge_size_value(conf->upstream.limit_rate, - prev->upstream.limit_rate, 0); - - - ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs, - 8, ngx_pagesize); - - if (conf->upstream.bufs.num < 2) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "there must be at least 2 \"fastcgi_buffers\""); - return NGX_CONF_ERROR; - } - - - size = conf->upstream.buffer_size; - if (size < conf->upstream.bufs.size) { - size = conf->upstream.bufs.size; - } - - - ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf, - prev->upstream.busy_buffers_size_conf, - NGX_CONF_UNSET_SIZE); - - if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) { - conf->upstream.busy_buffers_size = 2 * size; - } else { - conf->upstream.busy_buffers_size = - conf->upstream.busy_buffers_size_conf; - } - - if (conf->upstream.busy_buffers_size < size) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"fastcgi_busy_buffers_size\" must be equal to or greater than " - "the maximum of the value of \"fastcgi_buffer_size\" and " - "one of the \"fastcgi_buffers\""); - - return NGX_CONF_ERROR; - } - - if (conf->upstream.busy_buffers_size - > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size) - { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"fastcgi_busy_buffers_size\" must be less than " - "the size of all \"fastcgi_buffers\" minus one buffer"); - - return NGX_CONF_ERROR; - } - - - ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf, - prev->upstream.temp_file_write_size_conf, - NGX_CONF_UNSET_SIZE); - - if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) { - conf->upstream.temp_file_write_size = 2 * size; - } else { - conf->upstream.temp_file_write_size = - conf->upstream.temp_file_write_size_conf; - } - - if (conf->upstream.temp_file_write_size < size) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"fastcgi_temp_file_write_size\" must be equal to or greater " - "than the maximum of the value of \"fastcgi_buffer_size\" and " - "one of the \"fastcgi_buffers\""); - - return NGX_CONF_ERROR; - } - - - ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf, - prev->upstream.max_temp_file_size_conf, - NGX_CONF_UNSET_SIZE); - - if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) { - conf->upstream.max_temp_file_size = 1024 * 1024 * 1024; - } else { - conf->upstream.max_temp_file_size = - conf->upstream.max_temp_file_size_conf; - } - - if (conf->upstream.max_temp_file_size != 0 - && conf->upstream.max_temp_file_size < size) - { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"fastcgi_max_temp_file_size\" must be equal to zero to disable " - "temporary files usage or must be equal to or greater than " - "the maximum of the value of \"fastcgi_buffer_size\" and " - "one of the \"fastcgi_buffers\""); - - return NGX_CONF_ERROR; - } - - - ngx_conf_merge_bitmask_value(conf->upstream.ignore_headers, - prev->upstream.ignore_headers, - NGX_CONF_BITMASK_SET); - - - ngx_conf_merge_bitmask_value(conf->upstream.next_upstream, - prev->upstream.next_upstream, - (NGX_CONF_BITMASK_SET - |NGX_HTTP_UPSTREAM_FT_ERROR - |NGX_HTTP_UPSTREAM_FT_TIMEOUT)); - - if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) { - conf->upstream.next_upstream = NGX_CONF_BITMASK_SET - |NGX_HTTP_UPSTREAM_FT_OFF; - } - - if (ngx_conf_merge_path_value(cf, &conf->upstream.temp_path, - prev->upstream.temp_path, - &ngx_http_fastcgi_temp_path) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - -#if (NGX_HTTP_CACHE) - - if (conf->upstream.cache == NGX_CONF_UNSET) { - ngx_conf_merge_value(conf->upstream.cache, - prev->upstream.cache, 0); - - conf->upstream.cache_zone = prev->upstream.cache_zone; - conf->upstream.cache_value = prev->upstream.cache_value; - } - - if (conf->upstream.cache_zone && conf->upstream.cache_zone->data == NULL) { - ngx_shm_zone_t *shm_zone; - - shm_zone = conf->upstream.cache_zone; - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"fastcgi_cache\" zone \"%V\" is unknown", - &shm_zone->shm.name); - - return NGX_CONF_ERROR; - } - - ngx_conf_merge_uint_value(conf->upstream.cache_min_uses, - prev->upstream.cache_min_uses, 1); - - ngx_conf_merge_off_value(conf->upstream.cache_max_range_offset, - prev->upstream.cache_max_range_offset, - NGX_MAX_OFF_T_VALUE); - - ngx_conf_merge_bitmask_value(conf->upstream.cache_use_stale, - prev->upstream.cache_use_stale, - (NGX_CONF_BITMASK_SET - |NGX_HTTP_UPSTREAM_FT_OFF)); - - if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_OFF) { - conf->upstream.cache_use_stale = NGX_CONF_BITMASK_SET - |NGX_HTTP_UPSTREAM_FT_OFF; - } - - if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_ERROR) { - conf->upstream.cache_use_stale |= NGX_HTTP_UPSTREAM_FT_NOLIVE; - } - - if (conf->upstream.cache_methods == 0) { - conf->upstream.cache_methods = prev->upstream.cache_methods; - } - - conf->upstream.cache_methods |= NGX_HTTP_GET|NGX_HTTP_HEAD; - - ngx_conf_merge_ptr_value(conf->upstream.cache_bypass, - prev->upstream.cache_bypass, NULL); - - ngx_conf_merge_ptr_value(conf->upstream.no_cache, - prev->upstream.no_cache, NULL); - - ngx_conf_merge_ptr_value(conf->upstream.cache_valid, - prev->upstream.cache_valid, NULL); - - if (conf->cache_key.value.data == NULL) { - conf->cache_key = prev->cache_key; - } - - if (conf->upstream.cache && conf->cache_key.value.data == NULL) { - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "no \"fastcgi_cache_key\" for \"fastcgi_cache\""); - } - - ngx_conf_merge_value(conf->upstream.cache_lock, - prev->upstream.cache_lock, 0); - - ngx_conf_merge_msec_value(conf->upstream.cache_lock_timeout, - prev->upstream.cache_lock_timeout, 5000); - - ngx_conf_merge_msec_value(conf->upstream.cache_lock_age, - prev->upstream.cache_lock_age, 5000); - - ngx_conf_merge_value(conf->upstream.cache_revalidate, - prev->upstream.cache_revalidate, 0); - - ngx_conf_merge_value(conf->upstream.cache_background_update, - prev->upstream.cache_background_update, 0); - -#endif - - ngx_conf_merge_value(conf->upstream.pass_request_headers, - prev->upstream.pass_request_headers, 1); - ngx_conf_merge_value(conf->upstream.pass_request_body, - prev->upstream.pass_request_body, 1); - - ngx_conf_merge_value(conf->upstream.intercept_errors, - prev->upstream.intercept_errors, 0); - - ngx_conf_merge_ptr_value(conf->catch_stderr, prev->catch_stderr, NULL); - - ngx_conf_merge_value(conf->keep_conn, prev->keep_conn, 0); - - - ngx_conf_merge_str_value(conf->index, prev->index, ""); - - hash.max_size = 512; - hash.bucket_size = ngx_align(64, ngx_cacheline_size); - hash.name = "fastcgi_hide_headers_hash"; - - if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream, - &prev->upstream, ngx_http_fastcgi_hide_headers, &hash) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); - - if (clcf->noname - && conf->upstream.upstream == NULL && conf->fastcgi_lengths == NULL) - { - conf->upstream.upstream = prev->upstream.upstream; - conf->fastcgi_lengths = prev->fastcgi_lengths; - conf->fastcgi_values = prev->fastcgi_values; - } - - if (clcf->lmt_excpt && clcf->handler == NULL - && (conf->upstream.upstream || conf->fastcgi_lengths)) - { - clcf->handler = ngx_http_fastcgi_handler; - } - -#if (NGX_PCRE) - if (conf->split_regex == NULL) { - conf->split_regex = prev->split_regex; - conf->split_name = prev->split_name; - } -#endif - - if (conf->params_source == NULL) { - conf->params = prev->params; -#if (NGX_HTTP_CACHE) - conf->params_cache = prev->params_cache; -#endif - conf->params_source = prev->params_source; - } - - rc = ngx_http_fastcgi_init_params(cf, conf, &conf->params, NULL); - if (rc != NGX_OK) { - return NGX_CONF_ERROR; - } - -#if (NGX_HTTP_CACHE) - - if (conf->upstream.cache) { - rc = ngx_http_fastcgi_init_params(cf, conf, &conf->params_cache, - ngx_http_fastcgi_cache_headers); - if (rc != NGX_OK) { - return NGX_CONF_ERROR; - } - } - -#endif - - /* - * special handling to preserve conf->params in the "http" section - * to inherit it to all servers - */ - - if (prev->params.hash.buckets == NULL - && conf->params_source == prev->params_source) - { - prev->params = conf->params; -#if (NGX_HTTP_CACHE) - prev->params_cache = conf->params_cache; -#endif - } - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_fastcgi_init_params(ngx_conf_t *cf, ngx_http_fastcgi_loc_conf_t *conf, - ngx_http_fastcgi_params_t *params, ngx_keyval_t *default_params) -{ - u_char *p; - size_t size; - uintptr_t *code; - ngx_uint_t i, nsrc; - ngx_array_t headers_names, params_merged; - ngx_keyval_t *h; - ngx_hash_key_t *hk; - ngx_hash_init_t hash; - ngx_http_upstream_param_t *src, *s; - ngx_http_script_compile_t sc; - ngx_http_script_copy_code_t *copy; - - if (params->hash.buckets) { - return NGX_OK; - } - - if (conf->params_source == NULL && default_params == NULL) { - params->hash.buckets = (void *) 1; - return NGX_OK; - } - - params->lengths = ngx_array_create(cf->pool, 64, 1); - if (params->lengths == NULL) { - return NGX_ERROR; - } - - params->values = ngx_array_create(cf->pool, 512, 1); - if (params->values == NULL) { - return NGX_ERROR; - } - - if (ngx_array_init(&headers_names, cf->temp_pool, 4, sizeof(ngx_hash_key_t)) - != NGX_OK) - { - return NGX_ERROR; - } - - if (conf->params_source) { - src = conf->params_source->elts; - nsrc = conf->params_source->nelts; - - } else { - src = NULL; - nsrc = 0; - } - - if (default_params) { - if (ngx_array_init(¶ms_merged, cf->temp_pool, 4, - sizeof(ngx_http_upstream_param_t)) - != NGX_OK) - { - return NGX_ERROR; - } - - for (i = 0; i < nsrc; i++) { - - s = ngx_array_push(¶ms_merged); - if (s == NULL) { - return NGX_ERROR; - } - - *s = src[i]; - } - - h = default_params; - - while (h->key.len) { - - src = params_merged.elts; - nsrc = params_merged.nelts; - - for (i = 0; i < nsrc; i++) { - if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) { - goto next; - } - } - - s = ngx_array_push(¶ms_merged); - if (s == NULL) { - return NGX_ERROR; - } - - s->key = h->key; - s->value = h->value; - s->skip_empty = 1; - - next: - - h++; - } - - src = params_merged.elts; - nsrc = params_merged.nelts; - } - - for (i = 0; i < nsrc; i++) { - - if (src[i].key.len > sizeof("HTTP_") - 1 - && ngx_strncmp(src[i].key.data, "HTTP_", sizeof("HTTP_") - 1) == 0) - { - hk = ngx_array_push(&headers_names); - if (hk == NULL) { - return NGX_ERROR; - } - - hk->key.len = src[i].key.len - 5; - hk->key.data = src[i].key.data + 5; - hk->key_hash = ngx_hash_key_lc(hk->key.data, hk->key.len); - hk->value = (void *) 1; - - if (src[i].value.len == 0) { - continue; - } - } - - copy = ngx_array_push_n(params->lengths, - sizeof(ngx_http_script_copy_code_t)); - if (copy == NULL) { - return NGX_ERROR; - } - - copy->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code; - copy->len = src[i].key.len; - - copy = ngx_array_push_n(params->lengths, - sizeof(ngx_http_script_copy_code_t)); - if (copy == NULL) { - return NGX_ERROR; - } - - copy->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code; - copy->len = src[i].skip_empty; - - - size = (sizeof(ngx_http_script_copy_code_t) - + src[i].key.len + sizeof(uintptr_t) - 1) - & ~(sizeof(uintptr_t) - 1); - - copy = ngx_array_push_n(params->values, size); - if (copy == NULL) { - return NGX_ERROR; - } - - copy->code = ngx_http_script_copy_code; - copy->len = src[i].key.len; - - p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); - ngx_memcpy(p, src[i].key.data, src[i].key.len); - - - ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); - - sc.cf = cf; - sc.source = &src[i].value; - sc.flushes = ¶ms->flushes; - sc.lengths = ¶ms->lengths; - sc.values = ¶ms->values; - - if (ngx_http_script_compile(&sc) != NGX_OK) { - return NGX_ERROR; - } - - code = ngx_array_push_n(params->lengths, sizeof(uintptr_t)); - if (code == NULL) { - return NGX_ERROR; - } - - *code = (uintptr_t) NULL; - - - code = ngx_array_push_n(params->values, sizeof(uintptr_t)); - if (code == NULL) { - return NGX_ERROR; - } - - *code = (uintptr_t) NULL; - } - - code = ngx_array_push_n(params->lengths, sizeof(uintptr_t)); - if (code == NULL) { - return NGX_ERROR; - } - - *code = (uintptr_t) NULL; - - params->number = headers_names.nelts; - - hash.hash = ¶ms->hash; - hash.key = ngx_hash_key_lc; - hash.max_size = 512; - hash.bucket_size = 64; - hash.name = "fastcgi_params_hash"; - hash.pool = cf->pool; - hash.temp_pool = NULL; - - return ngx_hash_init(&hash, headers_names.elts, headers_names.nelts); -} - - -static ngx_int_t -ngx_http_fastcgi_script_name_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - u_char *p; - ngx_http_fastcgi_ctx_t *f; - ngx_http_fastcgi_loc_conf_t *flcf; - - flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module); - - f = ngx_http_fastcgi_split(r, flcf); - - if (f == NULL) { - return NGX_ERROR; - } - - if (f->script_name.len == 0 - || f->script_name.data[f->script_name.len - 1] != '/') - { - v->len = f->script_name.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = f->script_name.data; - - return NGX_OK; - } - - v->len = f->script_name.len + flcf->index.len; - - v->data = ngx_pnalloc(r->pool, v->len); - if (v->data == NULL) { - return NGX_ERROR; - } - - p = ngx_copy(v->data, f->script_name.data, f->script_name.len); - ngx_memcpy(p, flcf->index.data, flcf->index.len); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_fastcgi_path_info_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_http_fastcgi_ctx_t *f; - ngx_http_fastcgi_loc_conf_t *flcf; - - flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module); - - f = ngx_http_fastcgi_split(r, flcf); - - if (f == NULL) { - return NGX_ERROR; - } - - v->len = f->path_info.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = f->path_info.data; - - return NGX_OK; -} - - -static ngx_http_fastcgi_ctx_t * -ngx_http_fastcgi_split(ngx_http_request_t *r, ngx_http_fastcgi_loc_conf_t *flcf) -{ - ngx_http_fastcgi_ctx_t *f; -#if (NGX_PCRE) - ngx_int_t n; - int captures[(1 + 2) * 3]; - - f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module); - - if (f == NULL) { - f = ngx_pcalloc(r->pool, sizeof(ngx_http_fastcgi_ctx_t)); - if (f == NULL) { - return NULL; - } - - ngx_http_set_ctx(r, f, ngx_http_fastcgi_module); - } - - if (f->script_name.len) { - return f; - } - - if (flcf->split_regex == NULL) { - f->script_name = r->uri; - return f; - } - - n = ngx_regex_exec(flcf->split_regex, &r->uri, captures, (1 + 2) * 3); - - if (n >= 0) { /* match */ - f->script_name.len = captures[3] - captures[2]; - f->script_name.data = r->uri.data + captures[2]; - - f->path_info.len = captures[5] - captures[4]; - f->path_info.data = r->uri.data + captures[4]; - - return f; - } - - if (n == NGX_REGEX_NO_MATCHED) { - f->script_name = r->uri; - return f; - } - - ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, - ngx_regex_exec_n " failed: %i on \"%V\" using \"%V\"", - n, &r->uri, &flcf->split_name); - return NULL; - -#else - - f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module); - - if (f == NULL) { - f = ngx_pcalloc(r->pool, sizeof(ngx_http_fastcgi_ctx_t)); - if (f == NULL) { - return NULL; - } - - ngx_http_set_ctx(r, f, ngx_http_fastcgi_module); - } - - f->script_name = r->uri; - - return f; - -#endif -} - - -static char * -ngx_http_fastcgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_fastcgi_loc_conf_t *flcf = conf; - - ngx_url_t u; - ngx_str_t *value, *url; - ngx_uint_t n; - ngx_http_core_loc_conf_t *clcf; - ngx_http_script_compile_t sc; - - if (flcf->upstream.upstream || flcf->fastcgi_lengths) { - return "is duplicate"; - } - - clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); - - clcf->handler = ngx_http_fastcgi_handler; - - if (clcf->name.data[clcf->name.len - 1] == '/') { - clcf->auto_redirect = 1; - } - - value = cf->args->elts; - - url = &value[1]; - - n = ngx_http_script_variables_count(url); - - if (n) { - - ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); - - sc.cf = cf; - sc.source = url; - sc.lengths = &flcf->fastcgi_lengths; - sc.values = &flcf->fastcgi_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; - } - - ngx_memzero(&u, sizeof(ngx_url_t)); - - u.url = value[1]; - u.no_resolve = 1; - - flcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0); - if (flcf->upstream.upstream == NULL) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_fastcgi_split_path_info(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ -#if (NGX_PCRE) - ngx_http_fastcgi_loc_conf_t *flcf = conf; - - ngx_str_t *value; - ngx_regex_compile_t rc; - u_char errstr[NGX_MAX_CONF_ERRSTR]; - - value = cf->args->elts; - - flcf->split_name = value[1]; - - ngx_memzero(&rc, sizeof(ngx_regex_compile_t)); - - rc.pattern = value[1]; - rc.pool = cf->pool; - rc.err.len = NGX_MAX_CONF_ERRSTR; - rc.err.data = errstr; - - if (ngx_regex_compile(&rc) != NGX_OK) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%V", &rc.err); - return NGX_CONF_ERROR; - } - - if (rc.captures != 2) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "pattern \"%V\" must have 2 captures", &value[1]); - return NGX_CONF_ERROR; - } - - flcf->split_regex = rc.regex; - - return NGX_CONF_OK; - -#else - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"%V\" requires PCRE library", &cmd->name); - return NGX_CONF_ERROR; - -#endif -} - - -static char * -ngx_http_fastcgi_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_fastcgi_loc_conf_t *flcf = conf; - - ngx_str_t *value; - ngx_http_script_compile_t sc; - - if (flcf->upstream.store != NGX_CONF_UNSET) { - return "is duplicate"; - } - - value = cf->args->elts; - - if (ngx_strcmp(value[1].data, "off") == 0) { - flcf->upstream.store = 0; - return NGX_CONF_OK; - } - -#if (NGX_HTTP_CACHE) - if (flcf->upstream.cache > 0) { - return "is incompatible with \"fastcgi_cache\""; - } -#endif - - flcf->upstream.store = 1; - - if (ngx_strcmp(value[1].data, "on") == 0) { - return NGX_CONF_OK; - } - - /* include the terminating '\0' into script */ - value[1].len++; - - ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); - - sc.cf = cf; - sc.source = &value[1]; - sc.lengths = &flcf->upstream.store_lengths; - sc.values = &flcf->upstream.store_values; - sc.variables = ngx_http_script_variables_count(&value[1]); - sc.complete_lengths = 1; - sc.complete_values = 1; - - if (ngx_http_script_compile(&sc) != NGX_OK) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -#if (NGX_HTTP_CACHE) - -static char * -ngx_http_fastcgi_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_fastcgi_loc_conf_t *flcf = conf; - - ngx_str_t *value; - ngx_http_complex_value_t cv; - ngx_http_compile_complex_value_t ccv; - - value = cf->args->elts; - - if (flcf->upstream.cache != NGX_CONF_UNSET) { - return "is duplicate"; - } - - if (ngx_strcmp(value[1].data, "off") == 0) { - flcf->upstream.cache = 0; - return NGX_CONF_OK; - } - - if (flcf->upstream.store > 0) { - return "is incompatible with \"fastcgi_store\""; - } - - flcf->upstream.cache = 1; - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[1]; - ccv.complex_value = &cv; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - if (cv.lengths != NULL) { - - flcf->upstream.cache_value = ngx_palloc(cf->pool, - sizeof(ngx_http_complex_value_t)); - if (flcf->upstream.cache_value == NULL) { - return NGX_CONF_ERROR; - } - - *flcf->upstream.cache_value = cv; - - return NGX_CONF_OK; - } - - flcf->upstream.cache_zone = ngx_shared_memory_add(cf, &value[1], 0, - &ngx_http_fastcgi_module); - if (flcf->upstream.cache_zone == NULL) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_fastcgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_fastcgi_loc_conf_t *flcf = conf; - - ngx_str_t *value; - ngx_http_compile_complex_value_t ccv; - - value = cf->args->elts; - - if (flcf->cache_key.value.data) { - return "is duplicate"; - } - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[1]; - ccv.complex_value = &flcf->cache_key; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - -#endif - - -static char * -ngx_http_fastcgi_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, - "\"fastcgi_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, - "\"fastcgi_send_lowat\" is not supported, ignored"); - - *np = 0; - -#endif - - return NGX_CONF_OK; -} |