mirror of
https://github.com/nginx/nginx.git
synced 2024-12-16 22:47:47 +08:00
1662 lines
48 KiB
C
1662 lines
48 KiB
C
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/*
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* Copyright (C) Igor Sysoev
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* Copyright (C) Manlio Perillo (manlio.perillo@gmail.com)
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*/
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#include <ngx_config.h>
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#include <ngx_core.h>
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#include <ngx_http.h>
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typedef struct {
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ngx_http_upstream_conf_t upstream;
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ngx_array_t *flushes;
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ngx_array_t *params_len;
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ngx_array_t *params;
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ngx_array_t *params_source;
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ngx_hash_t headers_hash;
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ngx_uint_t header_params;
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ngx_array_t *scgi_lengths;
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ngx_array_t *scgi_values;
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#if (NGX_HTTP_CACHE)
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ngx_http_complex_value_t cache_key;
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#endif
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} ngx_http_scgi_loc_conf_t;
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static ngx_int_t ngx_http_scgi_eval(ngx_http_request_t *r,
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ngx_http_scgi_loc_conf_t *scf);
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static ngx_int_t ngx_http_scgi_create_request(ngx_http_request_t *r);
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static ngx_int_t ngx_http_scgi_reinit_request(ngx_http_request_t *r);
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static ngx_int_t ngx_http_scgi_process_status_line(ngx_http_request_t *r);
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static ngx_int_t ngx_http_scgi_process_header(ngx_http_request_t *r);
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static ngx_int_t ngx_http_scgi_process_header(ngx_http_request_t *r);
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static void ngx_http_scgi_abort_request(ngx_http_request_t *r);
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static void ngx_http_scgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc);
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static void *ngx_http_scgi_create_loc_conf(ngx_conf_t *cf);
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static char *ngx_http_scgi_merge_loc_conf(ngx_conf_t *cf, void *parent,
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void *child);
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static char *ngx_http_scgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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static char *ngx_http_scgi_store(ngx_conf_t *cf, ngx_command_t *cmd,
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void *conf);
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#if (NGX_HTTP_CACHE)
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static ngx_int_t ngx_http_scgi_create_key(ngx_http_request_t *r);
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static char *ngx_http_scgi_cache(ngx_conf_t *cf, ngx_command_t *cmd,
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void *conf);
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static char *ngx_http_scgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd,
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void *conf);
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#endif
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static ngx_conf_bitmask_t ngx_http_scgi_next_upstream_masks[] = {
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{ ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
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{ ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
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{ ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
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{ ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 },
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{ ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 },
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{ ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
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{ ngx_string("updating"), NGX_HTTP_UPSTREAM_FT_UPDATING },
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{ ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF },
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{ ngx_null_string, 0 }
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};
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ngx_module_t ngx_http_scgi_module;
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static ngx_command_t ngx_http_scgi_commands[] = {
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{ ngx_string("scgi_pass"),
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NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1,
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ngx_http_scgi_pass,
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NGX_HTTP_LOC_CONF_OFFSET,
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0,
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NULL },
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{ ngx_string("scgi_store"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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ngx_http_scgi_store,
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NGX_HTTP_LOC_CONF_OFFSET,
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0,
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NULL },
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{ ngx_string("scgi_store_access"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123,
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ngx_conf_set_access_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_scgi_loc_conf_t, upstream.store_access),
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NULL },
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{ ngx_string("scgi_ignore_client_abort"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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ngx_conf_set_flag_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_scgi_loc_conf_t, upstream.ignore_client_abort),
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NULL },
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{ ngx_string("scgi_bind"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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ngx_http_upstream_bind_set_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_scgi_loc_conf_t, upstream.local),
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NULL },
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{ ngx_string("scgi_connect_timeout"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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ngx_conf_set_msec_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_scgi_loc_conf_t, upstream.connect_timeout),
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NULL },
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{ ngx_string("scgi_send_timeout"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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ngx_conf_set_msec_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_scgi_loc_conf_t, upstream.send_timeout),
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NULL },
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{ ngx_string("scgi_buffer_size"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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ngx_conf_set_size_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_scgi_loc_conf_t, upstream.buffer_size),
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NULL },
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{ ngx_string("scgi_pass_request_headers"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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ngx_conf_set_flag_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_scgi_loc_conf_t, upstream.pass_request_headers),
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NULL },
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{ ngx_string("scgi_pass_request_body"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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ngx_conf_set_flag_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_scgi_loc_conf_t, upstream.pass_request_body),
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NULL },
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{ ngx_string("scgi_intercept_errors"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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ngx_conf_set_flag_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_scgi_loc_conf_t, upstream.intercept_errors),
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NULL },
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{ ngx_string("scgi_read_timeout"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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ngx_conf_set_msec_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_scgi_loc_conf_t, upstream.read_timeout),
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NULL },
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{ ngx_string("scgi_buffers"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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ngx_conf_set_bufs_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_scgi_loc_conf_t, upstream.bufs),
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NULL },
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{ ngx_string("scgi_busy_buffers_size"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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ngx_conf_set_size_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_scgi_loc_conf_t, upstream.busy_buffers_size_conf),
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NULL },
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#if (NGX_HTTP_CACHE)
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{ ngx_string("scgi_cache"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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ngx_http_scgi_cache,
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NGX_HTTP_LOC_CONF_OFFSET,
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0,
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NULL },
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{ ngx_string("scgi_cache_key"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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ngx_http_scgi_cache_key,
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NGX_HTTP_LOC_CONF_OFFSET,
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0,
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NULL },
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{ ngx_string("scgi_cache_path"),
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NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE,
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ngx_http_file_cache_set_slot,
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0,
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0,
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&ngx_http_scgi_module },
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{ ngx_string("scgi_cache_bypass"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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ngx_http_set_predicate_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_bypass),
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NULL },
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{ ngx_string("scgi_no_cache"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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ngx_http_set_predicate_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_scgi_loc_conf_t, upstream.no_cache),
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NULL },
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{ ngx_string("scgi_cache_valid"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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ngx_http_file_cache_valid_set_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_valid),
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NULL },
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{ ngx_string("scgi_cache_min_uses"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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ngx_conf_set_num_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_min_uses),
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NULL },
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{ ngx_string("scgi_cache_use_stale"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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ngx_conf_set_bitmask_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_use_stale),
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&ngx_http_scgi_next_upstream_masks },
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{ ngx_string("scgi_cache_methods"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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ngx_conf_set_bitmask_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_methods),
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&ngx_http_upstream_cache_method_mask },
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#endif
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{ ngx_string("scgi_temp_path"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
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ngx_conf_set_path_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_scgi_loc_conf_t, upstream.temp_path),
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NULL },
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{ ngx_string("scgi_max_temp_file_size"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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ngx_conf_set_size_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_scgi_loc_conf_t, upstream.max_temp_file_size_conf),
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NULL },
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{ ngx_string("scgi_temp_file_write_size"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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ngx_conf_set_size_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_scgi_loc_conf_t, upstream.temp_file_write_size_conf),
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NULL },
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{ ngx_string("scgi_next_upstream"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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ngx_conf_set_bitmask_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_scgi_loc_conf_t, upstream.next_upstream),
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&ngx_http_scgi_next_upstream_masks },
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{ ngx_string("scgi_param"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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ngx_conf_set_keyval_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_scgi_loc_conf_t, params_source),
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NULL },
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{ ngx_string("scgi_pass_header"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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ngx_conf_set_str_array_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_scgi_loc_conf_t, upstream.pass_headers),
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NULL },
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{ ngx_string("scgi_hide_header"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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ngx_conf_set_str_array_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_scgi_loc_conf_t, upstream.hide_headers),
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NULL },
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{ ngx_string("scgi_ignore_headers"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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ngx_conf_set_bitmask_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_scgi_loc_conf_t, upstream.ignore_headers),
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&ngx_http_upstream_ignore_headers_masks },
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ngx_null_command
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};
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static ngx_http_module_t ngx_http_scgi_module_ctx = {
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NULL, /* preconfiguration */
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NULL, /* postconfiguration */
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NULL, /* create main configuration */
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NULL, /* init main configuration */
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NULL, /* create server configuration */
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NULL, /* merge server configuration */
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ngx_http_scgi_create_loc_conf, /* create location configuration */
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ngx_http_scgi_merge_loc_conf /* merge location configuration */
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};
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ngx_module_t ngx_http_scgi_module = {
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NGX_MODULE_V1,
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&ngx_http_scgi_module_ctx, /* module context */
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ngx_http_scgi_commands, /* module directives */
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NGX_HTTP_MODULE, /* module type */
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NULL, /* init master */
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NULL, /* init module */
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NULL, /* init process */
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NULL, /* init thread */
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NULL, /* exit thread */
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NULL, /* exit process */
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NULL, /* exit master */
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NGX_MODULE_V1_PADDING
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};
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static ngx_str_t ngx_http_scgi_hide_headers[] = {
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ngx_string("Status"),
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ngx_string("X-Accel-Expires"),
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ngx_string("X-Accel-Redirect"),
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ngx_string("X-Accel-Limit-Rate"),
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ngx_string("X-Accel-Buffering"),
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ngx_string("X-Accel-Charset"),
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ngx_null_string
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};
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#if (NGX_HTTP_CACHE)
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static ngx_keyval_t ngx_http_scgi_cache_headers[] = {
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{ ngx_string("HTTP_IF_MODIFIED_SINCE"), ngx_string("") },
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{ ngx_string("HTTP_IF_UNMODIFIED_SINCE"), ngx_string("") },
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{ ngx_string("HTTP_IF_NONE_MATCH"), ngx_string("") },
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{ ngx_string("HTTP_IF_MATCH"), ngx_string("") },
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{ ngx_string("HTTP_RANGE"), ngx_string("") },
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{ ngx_string("HTTP_IF_RANGE"), ngx_string("") },
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{ ngx_null_string, ngx_null_string }
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};
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#endif
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static ngx_path_init_t ngx_http_scgi_temp_path = {
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ngx_string(NGX_HTTP_SCGI_TEMP_PATH), { 1, 2, 0 }
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};
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static ngx_int_t
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ngx_http_scgi_handler(ngx_http_request_t *r)
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{
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ngx_int_t rc;
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ngx_http_status_t *status;
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ngx_http_upstream_t *u;
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ngx_http_scgi_loc_conf_t *scf;
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if (r->subrequest_in_memory) {
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ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
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"ngx_http_scgi_module does not support "
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"subrequests in memory");
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return NGX_HTTP_INTERNAL_SERVER_ERROR;
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}
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if (ngx_http_upstream_create(r) != NGX_OK) {
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return NGX_HTTP_INTERNAL_SERVER_ERROR;
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}
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status = ngx_pcalloc(r->pool, sizeof(ngx_http_status_t));
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if (status == NULL) {
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return NGX_HTTP_INTERNAL_SERVER_ERROR;
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}
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ngx_http_set_ctx(r, status, ngx_http_scgi_module);
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scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module);
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if (scf->scgi_lengths) {
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if (ngx_http_scgi_eval(r, scf) != NGX_OK) {
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return NGX_HTTP_INTERNAL_SERVER_ERROR;
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}
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}
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u = r->upstream;
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ngx_str_set(&u->schema, "scgi://");
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u->output.tag = (ngx_buf_tag_t) &ngx_http_scgi_module;
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u->conf = &scf->upstream;
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#if (NGX_HTTP_CACHE)
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u->create_key = ngx_http_scgi_create_key;
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#endif
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u->create_request = ngx_http_scgi_create_request;
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u->reinit_request = ngx_http_scgi_reinit_request;
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u->process_header = ngx_http_scgi_process_status_line;
|
|
u->abort_request = ngx_http_scgi_abort_request;
|
|
u->finalize_request = ngx_http_scgi_finalize_request;
|
|
|
|
u->buffering = 1;
|
|
|
|
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_event_pipe_copy_input_filter;
|
|
u->pipe->input_ctx = r;
|
|
|
|
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_scgi_eval(ngx_http_request_t *r, ngx_http_scgi_loc_conf_t * scf)
|
|
{
|
|
ngx_url_t url;
|
|
ngx_http_upstream_t *u;
|
|
|
|
ngx_memzero(&url, sizeof(ngx_url_t));
|
|
|
|
if (ngx_http_script_run(r, &url.url, scf->scgi_lengths->elts, 0,
|
|
scf->scgi_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;
|
|
}
|
|
|
|
if (url.no_port) {
|
|
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
"no port in upstream \"%V\"", &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 && url.addrs[0].sockaddr) {
|
|
u->resolved->sockaddr = url.addrs[0].sockaddr;
|
|
u->resolved->socklen = url.addrs[0].socklen;
|
|
u->resolved->naddrs = 1;
|
|
u->resolved->host = url.addrs[0].name;
|
|
|
|
} else {
|
|
u->resolved->host = url.host;
|
|
u->resolved->port = url.port;
|
|
}
|
|
|
|
return NGX_OK;
|
|
}
|
|
|
|
|
|
#if (NGX_HTTP_CACHE)
|
|
|
|
static ngx_int_t
|
|
ngx_http_scgi_create_key(ngx_http_request_t *r)
|
|
{
|
|
ngx_str_t *key;
|
|
ngx_http_scgi_loc_conf_t *scf;
|
|
|
|
key = ngx_array_push(&r->cache->keys);
|
|
if (key == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module);
|
|
|
|
if (ngx_http_complex_value(r, &scf->cache_key, key) != NGX_OK) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
return NGX_OK;
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
static ngx_int_t
|
|
ngx_http_scgi_create_request(ngx_http_request_t *r)
|
|
{
|
|
u_char ch, *key, *val, *lowcase_key;
|
|
size_t len, allocated;
|
|
ngx_buf_t *b;
|
|
ngx_str_t *content_length;
|
|
ngx_uint_t i, n, hash, header_params;
|
|
ngx_chain_t *cl, *body;
|
|
ngx_list_part_t *part;
|
|
ngx_table_elt_t *header, **ignored;
|
|
ngx_http_script_code_pt code;
|
|
ngx_http_script_engine_t e, le;
|
|
ngx_http_scgi_loc_conf_t *scf;
|
|
ngx_http_script_len_code_pt lcode;
|
|
static ngx_str_t zero = ngx_string("0");
|
|
|
|
content_length = r->headers_in.content_length ?
|
|
&r->headers_in.content_length->value : &zero;
|
|
|
|
len = sizeof("CONTENT_LENGTH") + content_length->len + 1;
|
|
|
|
header_params = 0;
|
|
ignored = NULL;
|
|
|
|
scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module);
|
|
|
|
if (scf->params_len) {
|
|
ngx_memzero(&le, sizeof(ngx_http_script_engine_t));
|
|
|
|
ngx_http_script_flush_no_cacheable_variables(r, scf->flushes);
|
|
le.flushed = 1;
|
|
|
|
le.ip = scf->params_len->elts;
|
|
le.request = r;
|
|
|
|
while (*(uintptr_t *) le.ip) {
|
|
|
|
lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
len += lcode(&le);
|
|
|
|
while (*(uintptr_t *) le.ip) {
|
|
lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
len += lcode(&le) + 1;
|
|
}
|
|
le.ip += sizeof(uintptr_t);
|
|
}
|
|
}
|
|
|
|
if (scf->upstream.pass_request_headers) {
|
|
|
|
allocated = 0;
|
|
lowcase_key = NULL;
|
|
|
|
if (scf->header_params) {
|
|
ignored = ngx_palloc(r->pool, scf->header_params * 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 (scf->header_params) {
|
|
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(&scf->headers_hash, hash, lowcase_key, n)) {
|
|
ignored[header_params++] = &header[i];
|
|
continue;
|
|
}
|
|
}
|
|
|
|
len += sizeof("HTTP_") - 1 + header[i].key.len + 1
|
|
+ header[i].value.len + 1;
|
|
}
|
|
}
|
|
|
|
/* netstring: "length:" + packet + "," */
|
|
|
|
b = ngx_create_temp_buf(r->pool, NGX_SIZE_T_LEN + 1 + len + 1);
|
|
if (b == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
cl = ngx_alloc_chain_link(r->pool);
|
|
if (cl == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
cl->buf = b;
|
|
|
|
b->last = ngx_snprintf(b->last,
|
|
NGX_SIZE_T_LEN + 1 + sizeof("CONTENT_LENGTH")
|
|
+ NGX_OFF_T_LEN + 1,
|
|
"%ui:CONTENT_LENGTH%Z%V%Z",
|
|
len, content_length);
|
|
|
|
if (scf->params_len) {
|
|
ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
|
|
e.ip = scf->params->elts;
|
|
e.pos = b->last;
|
|
e.request = r;
|
|
e.flushed = 1;
|
|
|
|
while (*(uintptr_t *) e.ip) {
|
|
|
|
#if (NGX_DEBUG)
|
|
key = e.pos;
|
|
#endif
|
|
code = *(ngx_http_script_code_pt *) e.ip;
|
|
code((ngx_http_script_engine_t *) & e);
|
|
|
|
#if (NGX_DEBUG)
|
|
val = e.pos;
|
|
#endif
|
|
while (*(uintptr_t *) e.ip) {
|
|
code = *(ngx_http_script_code_pt *) e.ip;
|
|
code((ngx_http_script_engine_t *) &e);
|
|
}
|
|
*e.pos++ = '\0';
|
|
e.ip += sizeof(uintptr_t);
|
|
|
|
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
"scgi param: \"%s: %s\"", key, val);
|
|
}
|
|
|
|
b->last = e.pos;
|
|
}
|
|
|
|
if (scf->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 = b->last;
|
|
b->last = ngx_cpymem(key, "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++ = (u_char) 0;
|
|
|
|
val = b->last;
|
|
b->last = ngx_copy(val, header[i].value.data, header[i].value.len);
|
|
*b->last++ = (u_char) 0;
|
|
|
|
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
"scgi param: \"%s: %s\"", key, val);
|
|
|
|
next:
|
|
|
|
continue;
|
|
}
|
|
}
|
|
|
|
*b->last++ = (u_char) ',';
|
|
|
|
if (scf->upstream.pass_request_body) {
|
|
body = r->upstream->request_bufs;
|
|
r->upstream->request_bufs = cl;
|
|
|
|
while (body) {
|
|
b = ngx_alloc_buf(r->pool);
|
|
if (b == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
|
|
cl->next = ngx_alloc_chain_link(r->pool);
|
|
if (cl->next == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
cl = cl->next;
|
|
cl->buf = b;
|
|
|
|
body = body->next;
|
|
}
|
|
|
|
} else {
|
|
r->upstream->request_bufs = cl;
|
|
}
|
|
|
|
cl->next = NULL;
|
|
|
|
return NGX_OK;
|
|
}
|
|
|
|
|
|
static ngx_int_t
|
|
ngx_http_scgi_reinit_request(ngx_http_request_t *r)
|
|
{
|
|
ngx_http_status_t *status;
|
|
|
|
status = ngx_http_get_module_ctx(r, ngx_http_scgi_module);
|
|
|
|
if (status == NULL) {
|
|
return NGX_OK;
|
|
}
|
|
|
|
status->code = 0;
|
|
status->count = 0;
|
|
status->start = NULL;
|
|
status->end = NULL;
|
|
|
|
r->upstream->process_header = ngx_http_scgi_process_status_line;
|
|
|
|
return NGX_OK;
|
|
}
|
|
|
|
|
|
static ngx_int_t
|
|
ngx_http_scgi_process_status_line(ngx_http_request_t *r)
|
|
{
|
|
size_t len;
|
|
ngx_int_t rc;
|
|
ngx_http_status_t *status;
|
|
ngx_http_upstream_t *u;
|
|
|
|
status = ngx_http_get_module_ctx(r, ngx_http_scgi_module);
|
|
|
|
if (status == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
u = r->upstream;
|
|
|
|
rc = ngx_http_parse_status_line(r, &u->buffer, status);
|
|
|
|
if (rc == NGX_AGAIN) {
|
|
return rc;
|
|
}
|
|
|
|
if (rc == NGX_ERROR) {
|
|
|
|
r->http_version = NGX_HTTP_VERSION_9;
|
|
|
|
u->process_header = ngx_http_scgi_process_header;
|
|
|
|
return ngx_http_scgi_process_header(r);
|
|
}
|
|
|
|
if (u->state) {
|
|
u->state->status = status->code;
|
|
}
|
|
|
|
u->headers_in.status_n = status->code;
|
|
|
|
len = status->end - status->start;
|
|
u->headers_in.status_line.len = len;
|
|
|
|
u->headers_in.status_line.data = ngx_pnalloc(r->pool, len);
|
|
if (u->headers_in.status_line.data == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
ngx_memcpy(u->headers_in.status_line.data, status->start, len);
|
|
|
|
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
"http scgi status %ui \"%V\"",
|
|
u->headers_in.status_n, &u->headers_in.status_line);
|
|
|
|
u->process_header = ngx_http_scgi_process_header;
|
|
|
|
return ngx_http_scgi_process_header(r);
|
|
}
|
|
|
|
|
|
static ngx_int_t
|
|
ngx_http_scgi_process_header(ngx_http_request_t *r)
|
|
{
|
|
ngx_str_t *status_line;
|
|
ngx_int_t rc, status;
|
|
ngx_table_elt_t *h;
|
|
ngx_http_upstream_t *u;
|
|
ngx_http_upstream_header_t *hh;
|
|
ngx_http_upstream_main_conf_t *umcf;
|
|
|
|
umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
|
|
for ( ;; ) {
|
|
|
|
rc = ngx_http_parse_header_line(r, &r->upstream->buffer, 1);
|
|
|
|
if (rc == NGX_OK) {
|
|
|
|
/* a header line has been parsed successfully */
|
|
|
|
h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
if (h == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
h->hash = r->header_hash;
|
|
|
|
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_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
|
|
ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
|
|
|
|
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 scgi header: \"%V: %V\"", &h->key, &h->value);
|
|
|
|
continue;
|
|
}
|
|
|
|
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 scgi header done");
|
|
|
|
if (r->http_version > NGX_HTTP_VERSION_9) {
|
|
return NGX_OK;
|
|
}
|
|
|
|
u = r->upstream;
|
|
|
|
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;
|
|
}
|
|
|
|
r->http_version = NGX_HTTP_VERSION_10;
|
|
u->headers_in.status_n = status;
|
|
u->headers_in.status_line = *status_line;
|
|
|
|
} else if (u->headers_in.location) {
|
|
r->http_version = NGX_HTTP_VERSION_10;
|
|
u->headers_in.status_n = 302;
|
|
ngx_str_set(&u->headers_in.status_line,
|
|
"302 Moved Temporarily");
|
|
|
|
} else {
|
|
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
"upstream sent neither valid HTTP/1.0 header "
|
|
"nor \"Status\" header line");
|
|
u->headers_in.status_n = 200;
|
|
ngx_str_set(&u->headers_in.status_line, "200 OK");
|
|
}
|
|
|
|
if (u->state) {
|
|
u->state->status = u->headers_in.status_n;
|
|
}
|
|
|
|
return NGX_OK;
|
|
}
|
|
|
|
if (rc == NGX_AGAIN) {
|
|
return NGX_AGAIN;
|
|
}
|
|
|
|
/* 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;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
ngx_http_scgi_abort_request(ngx_http_request_t *r)
|
|
{
|
|
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
"abort http scgi request");
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
static void
|
|
ngx_http_scgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
{
|
|
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
"finalize http scgi request");
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
static void *
|
|
ngx_http_scgi_create_loc_conf(ngx_conf_t *cf)
|
|
{
|
|
ngx_http_scgi_loc_conf_t *conf;
|
|
|
|
conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_scgi_loc_conf_t));
|
|
if (conf == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
conf->upstream.store = NGX_CONF_UNSET;
|
|
conf->upstream.store_access = NGX_CONF_UNSET_UINT;
|
|
conf->upstream.buffering = NGX_CONF_UNSET;
|
|
conf->upstream.ignore_client_abort = NGX_CONF_UNSET;
|
|
|
|
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.send_lowat = NGX_CONF_UNSET_SIZE;
|
|
conf->upstream.buffer_size = 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_PTR;
|
|
conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT;
|
|
conf->upstream.cache_bypass = NGX_CONF_UNSET_PTR;
|
|
conf->upstream.no_cache = NGX_CONF_UNSET_PTR;
|
|
conf->upstream.cache_valid = NGX_CONF_UNSET_PTR;
|
|
#endif
|
|
|
|
conf->upstream.hide_headers = NGX_CONF_UNSET_PTR;
|
|
conf->upstream.pass_headers = NGX_CONF_UNSET_PTR;
|
|
|
|
conf->upstream.intercept_errors = NGX_CONF_UNSET;
|
|
|
|
/* "scgi_cyclic_temp_file" is disabled */
|
|
conf->upstream.cyclic_temp_file = 0;
|
|
|
|
return conf;
|
|
}
|
|
|
|
|
|
static char *
|
|
ngx_http_scgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
{
|
|
ngx_http_scgi_loc_conf_t *prev = parent;
|
|
ngx_http_scgi_loc_conf_t *conf = child;
|
|
|
|
u_char *p;
|
|
size_t size;
|
|
uintptr_t *code;
|
|
ngx_uint_t i;
|
|
ngx_array_t headers_names;
|
|
ngx_keyval_t *src;
|
|
ngx_hash_key_t *hk;
|
|
ngx_hash_init_t hash;
|
|
ngx_http_core_loc_conf_t *clcf;
|
|
ngx_http_script_compile_t sc;
|
|
ngx_http_script_copy_code_t *copy;
|
|
|
|
if (conf->upstream.store != 0) {
|
|
ngx_conf_merge_value(conf->upstream.store, prev->upstream.store, 0);
|
|
|
|
if (conf->upstream.store_lengths == NULL) {
|
|
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_value(conf->upstream.buffering,
|
|
prev->upstream.buffering, 1);
|
|
|
|
ngx_conf_merge_value(conf->upstream.ignore_client_abort,
|
|
prev->upstream.ignore_client_abort, 0);
|
|
|
|
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_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_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 \"scgi_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,
|
|
"\"scgi_busy_buffers_size\" must be equal or bigger "
|
|
"than maximum of the value of \"scgi_buffer_size\" and "
|
|
"one of the \"scgi_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,
|
|
"\"scgi_busy_buffers_size\" must be less than "
|
|
"the size of all \"scgi_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,
|
|
"\"scgi_temp_file_write_size\" must be equal or bigger than "
|
|
"maximum of the value of \"scgi_buffer_size\" and "
|
|
"one of the \"scgi_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,
|
|
"\"scgi_max_temp_file_size\" must be equal to zero to disable "
|
|
"the temporary files usage or must be equal or bigger than "
|
|
"maximum of the value of \"scgi_buffer_size\" and "
|
|
"one of the \"scgi_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_scgi_temp_path)
|
|
!= NGX_OK)
|
|
{
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
#if (NGX_HTTP_CACHE)
|
|
|
|
ngx_conf_merge_ptr_value(conf->upstream.cache,
|
|
prev->upstream.cache, NULL);
|
|
|
|
if (conf->upstream.cache && conf->upstream.cache->data == NULL) {
|
|
ngx_shm_zone_t *shm_zone;
|
|
|
|
shm_zone = conf->upstream.cache;
|
|
|
|
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
"\"scgi_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_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_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;
|
|
}
|
|
|
|
#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);
|
|
|
|
hash.max_size = 512;
|
|
hash.bucket_size = ngx_align(64, ngx_cacheline_size);
|
|
hash.name = "scgi_hide_headers_hash";
|
|
|
|
if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream,
|
|
&prev->upstream, ngx_http_scgi_hide_headers, &hash)
|
|
!= NGX_OK)
|
|
{
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
if (conf->upstream.upstream == NULL) {
|
|
conf->upstream.upstream = prev->upstream.upstream;
|
|
}
|
|
|
|
if (conf->scgi_lengths == NULL) {
|
|
conf->scgi_lengths = prev->scgi_lengths;
|
|
conf->scgi_values = prev->scgi_values;
|
|
}
|
|
|
|
if (conf->upstream.upstream || conf->scgi_lengths) {
|
|
clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
if (clcf->handler == NULL && clcf->lmt_excpt) {
|
|
clcf->handler = ngx_http_scgi_handler;
|
|
}
|
|
}
|
|
|
|
if (conf->params_source == NULL) {
|
|
conf->flushes = prev->flushes;
|
|
conf->params_len = prev->params_len;
|
|
conf->params = prev->params;
|
|
conf->params_source = prev->params_source;
|
|
conf->headers_hash = prev->headers_hash;
|
|
|
|
#if (NGX_HTTP_CACHE)
|
|
|
|
if (conf->params_source == NULL) {
|
|
|
|
if ((conf->upstream.cache == NULL)
|
|
== (prev->upstream.cache == NULL))
|
|
{
|
|
return NGX_CONF_OK;
|
|
}
|
|
|
|
/* 6 is a number of ngx_http_scgi_cache_headers entries */
|
|
conf->params_source = ngx_array_create(cf->pool, 6,
|
|
sizeof(ngx_keyval_t));
|
|
if (conf->params_source == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
}
|
|
#else
|
|
|
|
if (conf->params_source == NULL) {
|
|
return NGX_CONF_OK;
|
|
}
|
|
|
|
#endif
|
|
}
|
|
|
|
conf->params_len = ngx_array_create(cf->pool, 64, 1);
|
|
if (conf->params_len == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
conf->params = ngx_array_create(cf->pool, 512, 1);
|
|
if (conf->params == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
if (ngx_array_init(&headers_names, cf->temp_pool, 4, sizeof(ngx_hash_key_t))
|
|
!= NGX_OK)
|
|
{
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
src = conf->params_source->elts;
|
|
|
|
#if (NGX_HTTP_CACHE)
|
|
|
|
if (conf->upstream.cache) {
|
|
ngx_keyval_t *h, *s;
|
|
|
|
for (h = ngx_http_scgi_cache_headers; h->key.len; h++) {
|
|
|
|
for (i = 0; i < conf->params_source->nelts; i++) {
|
|
if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {
|
|
goto next;
|
|
}
|
|
}
|
|
|
|
s = ngx_array_push(conf->params_source);
|
|
if (s == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
*s = *h;
|
|
|
|
src = conf->params_source->elts;
|
|
|
|
next:
|
|
|
|
h++;
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
for (i = 0; i < conf->params_source->nelts; 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_CONF_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(conf->params_len,
|
|
sizeof(ngx_http_script_copy_code_t));
|
|
if (copy == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
copy->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code;
|
|
copy->len = src[i].key.len + 1;
|
|
|
|
|
|
size = (sizeof(ngx_http_script_copy_code_t)
|
|
+ src[i].key.len + 1 + sizeof(uintptr_t) - 1)
|
|
& ~(sizeof(uintptr_t) - 1);
|
|
|
|
copy = ngx_array_push_n(conf->params, size);
|
|
if (copy == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
copy->code = ngx_http_script_copy_code;
|
|
copy->len = src[i].key.len + 1;
|
|
|
|
p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
(void) ngx_cpystrn(p, src[i].key.data, src[i].key.len + 1);
|
|
|
|
|
|
ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
|
sc.cf = cf;
|
|
sc.source = &src[i].value;
|
|
sc.flushes = &conf->flushes;
|
|
sc.lengths = &conf->params_len;
|
|
sc.values = &conf->params;
|
|
|
|
if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t));
|
|
if (code == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
*code = (uintptr_t) NULL;
|
|
|
|
|
|
code = ngx_array_push_n(conf->params, sizeof(uintptr_t));
|
|
if (code == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
*code = (uintptr_t) NULL;
|
|
}
|
|
|
|
code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t));
|
|
if (code == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
*code = (uintptr_t) NULL;
|
|
|
|
code = ngx_array_push_n(conf->params, sizeof(uintptr_t));
|
|
if (code == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
*code = (uintptr_t) NULL;
|
|
|
|
conf->header_params = headers_names.nelts;
|
|
|
|
hash.hash = &conf->headers_hash;
|
|
hash.key = ngx_hash_key_lc;
|
|
hash.max_size = 512;
|
|
hash.bucket_size = 64;
|
|
hash.name = "scgi_params_hash";
|
|
hash.pool = cf->pool;
|
|
hash.temp_pool = NULL;
|
|
|
|
if (ngx_hash_init(&hash, headers_names.elts, headers_names.nelts) != NGX_OK)
|
|
{
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
return NGX_CONF_OK;
|
|
}
|
|
|
|
|
|
static char *
|
|
ngx_http_scgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
{
|
|
ngx_http_scgi_loc_conf_t *scf = 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 (scf->upstream.upstream || scf->scgi_lengths) {
|
|
return "is duplicate";
|
|
}
|
|
|
|
clcf = ngx_http_conf_get_module_loc_conf (cf, ngx_http_core_module);
|
|
clcf->handler = ngx_http_scgi_handler;
|
|
|
|
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 = &scf->scgi_lengths;
|
|
sc.values = &scf->scgi_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;
|
|
|
|
scf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
|
|
if (scf->upstream.upstream == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
clcf->auto_redirect = 1;
|
|
}
|
|
|
|
return NGX_CONF_OK;
|
|
}
|
|
|
|
|
|
static char *
|
|
ngx_http_scgi_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
{
|
|
ngx_http_scgi_loc_conf_t *scf = conf;
|
|
|
|
ngx_str_t *value;
|
|
ngx_http_script_compile_t sc;
|
|
|
|
if (scf->upstream.store != NGX_CONF_UNSET || scf->upstream.store_lengths) {
|
|
return "is duplicate";
|
|
}
|
|
|
|
value = cf->args->elts;
|
|
|
|
if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
scf->upstream.store = 0;
|
|
return NGX_CONF_OK;
|
|
}
|
|
|
|
#if (NGX_HTTP_CACHE)
|
|
|
|
if (scf->upstream.cache != NGX_CONF_UNSET_PTR
|
|
&& scf->upstream.cache != NULL)
|
|
{
|
|
return "is incompatible with \"scgi_cache\"";
|
|
}
|
|
|
|
#endif
|
|
|
|
if (ngx_strcmp(value[1].data, "on") == 0) {
|
|
scf->upstream.store = 1;
|
|
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 = &scf->upstream.store_lengths;
|
|
sc.values = &scf->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_scgi_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
{
|
|
ngx_http_scgi_loc_conf_t *scf = conf;
|
|
|
|
ngx_str_t *value;
|
|
|
|
value = cf->args->elts;
|
|
|
|
if (scf->upstream.cache != NGX_CONF_UNSET_PTR) {
|
|
return "is duplicate";
|
|
}
|
|
|
|
if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
scf->upstream.cache = NULL;
|
|
return NGX_CONF_OK;
|
|
}
|
|
|
|
if (scf->upstream.store > 0 || scf->upstream.store_lengths) {
|
|
return "is incompatible with \"scgi_store\"";
|
|
}
|
|
|
|
scf->upstream.cache = ngx_shared_memory_add(cf, &value[1], 0,
|
|
&ngx_http_scgi_module);
|
|
if (scf->upstream.cache == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
return NGX_CONF_OK;
|
|
}
|
|
|
|
|
|
static char *
|
|
ngx_http_scgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
{
|
|
ngx_http_scgi_loc_conf_t *scf = conf;
|
|
|
|
ngx_str_t *value;
|
|
ngx_http_compile_complex_value_t ccv;
|
|
|
|
value = cf->args->elts;
|
|
|
|
if (scf->cache_key.value.len) {
|
|
return "is duplicate";
|
|
}
|
|
|
|
ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
|
|
|
|
ccv.cf = cf;
|
|
ccv.value = &value[1];
|
|
ccv.complex_value = &scf->cache_key;
|
|
|
|
if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
return NGX_CONF_OK;
|
|
}
|
|
|
|
#endif
|