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comparison src/http/modules/ngx_http_fastcgi_module.c @ 2390:27ccc4b54fa6

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fastcgi_pass variables support
author Igor Sysoev <igor@sysoev.ru>
date Wed, 10 Dec 2008 14:22:07 +0000
parents 8c17cfe63d2c
children d88e757cc7d8
comparison
equal deleted inserted replaced
2389:ad08367a257b 2390:27ccc4b54fa6
17 ngx_array_t *flushes; 17 ngx_array_t *flushes;
18 ngx_array_t *params_len; 18 ngx_array_t *params_len;
19 ngx_array_t *params; 19 ngx_array_t *params;
20 ngx_array_t *params_source; 20 ngx_array_t *params_source;
21 ngx_array_t *catch_stderr; 21 ngx_array_t *catch_stderr;
22
23 ngx_array_t *fastcgi_lengths;
24 ngx_array_t *fastcgi_values;
22 } ngx_http_fastcgi_loc_conf_t; 25 } ngx_http_fastcgi_loc_conf_t;
23 26
24 27
25 typedef enum { 28 typedef enum {
26 ngx_http_fastcgi_st_version = 0, 29 ngx_http_fastcgi_st_version = 0,
101 ngx_http_fastcgi_begin_request_t br; 104 ngx_http_fastcgi_begin_request_t br;
102 ngx_http_fastcgi_header_small_t h1; 105 ngx_http_fastcgi_header_small_t h1;
103 } ngx_http_fastcgi_request_start_t; 106 } ngx_http_fastcgi_request_start_t;
104 107
105 108
109 static ngx_int_t ngx_http_fastcgi_eval(ngx_http_request_t *r,
110 ngx_http_fastcgi_loc_conf_t *flcf);
106 static ngx_int_t ngx_http_fastcgi_create_request(ngx_http_request_t *r); 111 static ngx_int_t ngx_http_fastcgi_create_request(ngx_http_request_t *r);
107 static ngx_int_t ngx_http_fastcgi_reinit_request(ngx_http_request_t *r); 112 static ngx_int_t ngx_http_fastcgi_reinit_request(ngx_http_request_t *r);
108 static ngx_int_t ngx_http_fastcgi_process_header(ngx_http_request_t *r); 113 static ngx_int_t ngx_http_fastcgi_process_header(ngx_http_request_t *r);
109 static ngx_int_t ngx_http_fastcgi_input_filter(ngx_event_pipe_t *p, 114 static ngx_int_t ngx_http_fastcgi_input_filter(ngx_event_pipe_t *p,
110 ngx_buf_t *buf); 115 ngx_buf_t *buf);
412 "ngx_http_fastcgi_module does not support " 417 "ngx_http_fastcgi_module does not support "
413 "subrequest in memory"); 418 "subrequest in memory");
414 return NGX_HTTP_INTERNAL_SERVER_ERROR; 419 return NGX_HTTP_INTERNAL_SERVER_ERROR;
415 } 420 }
416 421
417 flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module);
418
419 u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t)); 422 u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t));
420 if (u == NULL) { 423 if (u == NULL) {
421 return NGX_HTTP_INTERNAL_SERVER_ERROR; 424 return NGX_HTTP_INTERNAL_SERVER_ERROR;
422 } 425 }
423 426
424 u->schema = flcf->upstream.schema; 427 r->upstream = u;
428
429 flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module);
430
431 if (flcf->fastcgi_lengths) {
432 if (ngx_http_fastcgi_eval(r, flcf) != NGX_OK) {
433 return NGX_HTTP_INTERNAL_SERVER_ERROR;
434 }
435 }
436
437 u->schema.len = sizeof("fastcgi://") - 1;
438 u->schema.data = (u_char *) "fastcgi://";
425 439
426 u->peer.log = r->connection->log; 440 u->peer.log = r->connection->log;
427 u->peer.log_error = NGX_ERROR_ERR; 441 u->peer.log_error = NGX_ERROR_ERR;
428 #if (NGX_THREADS) 442 #if (NGX_THREADS)
429 u->peer.lock = &r->connection->lock; 443 u->peer.lock = &r->connection->lock;
447 } 461 }
448 462
449 u->pipe->input_filter = ngx_http_fastcgi_input_filter; 463 u->pipe->input_filter = ngx_http_fastcgi_input_filter;
450 u->pipe->input_ctx = r; 464 u->pipe->input_ctx = r;
451 465
452 r->upstream = u;
453
454 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init); 466 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
455 467
456 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { 468 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
457 return rc; 469 return rc;
458 } 470 }
459 471
460 return NGX_DONE; 472 return NGX_DONE;
473 }
474
475
476 static ngx_int_t
477 ngx_http_fastcgi_eval(ngx_http_request_t *r, ngx_http_fastcgi_loc_conf_t *flcf)
478 {
479 ngx_url_t u;
480
481 ngx_memzero(&u, sizeof(ngx_url_t));
482
483 if (ngx_http_script_run(r, &u.url, flcf->fastcgi_lengths->elts, 0,
484 flcf->fastcgi_values->elts)
485 == NULL)
486 {
487 return NGX_ERROR;
488 }
489
490 u.no_resolve = 1;
491
492 if (ngx_parse_url(r->pool, &u) != NGX_OK) {
493 if (u.err) {
494 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
495 "%s in upstream \"%V\"", u.err, &u.url);
496 }
497
498 return NGX_ERROR;
499 }
500
501 r->upstream->resolved = ngx_pcalloc(r->pool,
502 sizeof(ngx_http_upstream_resolved_t));
503 if (r->upstream->resolved == NULL) {
504 return NGX_ERROR;
505 }
506
507 r->upstream->resolved->host = u.host;
508 r->upstream->resolved->port = u.port;
509
510 return NGX_OK;
461 } 511 }
462 512
463 513
464 static ngx_int_t 514 static ngx_int_t
465 ngx_http_fastcgi_create_request(ngx_http_request_t *r) 515 ngx_http_fastcgi_create_request(ngx_http_request_t *r)
1862 if (conf->upstream.upstream == NULL) { 1912 if (conf->upstream.upstream == NULL) {
1863 conf->upstream.upstream = prev->upstream.upstream; 1913 conf->upstream.upstream = prev->upstream.upstream;
1864 conf->upstream.schema = prev->upstream.schema; 1914 conf->upstream.schema = prev->upstream.schema;
1865 } 1915 }
1866 1916
1917 if (conf->fastcgi_lengths == NULL) {
1918 conf->fastcgi_lengths = prev->fastcgi_lengths;
1919 conf->fastcgi_values = prev->fastcgi_values;
1920 }
1921
1867 if (conf->params_source == NULL) { 1922 if (conf->params_source == NULL) {
1868 conf->flushes = prev->flushes; 1923 conf->flushes = prev->flushes;
1869 conf->params_len = prev->params_len; 1924 conf->params_len = prev->params_len;
1870 conf->params = prev->params; 1925 conf->params = prev->params;
1871 conf->params_source = prev->params_source; 1926 conf->params_source = prev->params_source;
2042 2097
2043 2098
2044 static char * 2099 static char *
2045 ngx_http_fastcgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) 2100 ngx_http_fastcgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
2046 { 2101 {
2047 ngx_http_fastcgi_loc_conf_t *lcf = conf; 2102 ngx_http_fastcgi_loc_conf_t *flcf = conf;
2048 2103
2049 ngx_url_t u; 2104 ngx_url_t u;
2050 ngx_str_t *value; 2105 ngx_str_t *value, *url;
2051 ngx_http_core_loc_conf_t *clcf; 2106 ngx_uint_t n;
2052 2107 ngx_http_core_loc_conf_t *clcf;
2053 if (lcf->upstream.schema.len) { 2108 ngx_http_script_compile_t sc;
2109
2110 if (flcf->upstream.schema.len) {
2054 return "is duplicate"; 2111 return "is duplicate";
2055 } 2112 }
2056 2113
2114 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
2115 clcf->handler = ngx_http_fastcgi_handler;
2116
2117 flcf->upstream.schema.len = sizeof("fastcgi://") - 1;
2118 flcf->upstream.schema.data = (u_char *) "fastcgi://";
2119
2057 value = cf->args->elts; 2120 value = cf->args->elts;
2121
2122 url = &value[1];
2123
2124 n = ngx_http_script_variables_count(url);
2125
2126 if (n) {
2127
2128 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
2129
2130 sc.cf = cf;
2131 sc.source = url;
2132 sc.lengths = &flcf->fastcgi_lengths;
2133 sc.values = &flcf->fastcgi_values;
2134 sc.variables = n;
2135 sc.complete_lengths = 1;
2136 sc.complete_values = 1;
2137
2138 if (ngx_http_script_compile(&sc) != NGX_OK) {
2139 return NGX_CONF_ERROR;
2140 }
2141
2142 return NGX_CONF_OK;
2143 }
2058 2144
2059 ngx_memzero(&u, sizeof(ngx_url_t)); 2145 ngx_memzero(&u, sizeof(ngx_url_t));
2060 2146
2061 u.url = value[1]; 2147 u.url = value[1];
2062 u.no_resolve = 1; 2148 u.no_resolve = 1;
2063 2149
2064 lcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0); 2150 flcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
2065 if (lcf->upstream.upstream == NULL) { 2151 if (flcf->upstream.upstream == NULL) {
2066 return NGX_CONF_ERROR; 2152 return NGX_CONF_ERROR;
2067 } 2153 }
2068
2069 lcf->upstream.schema.len = sizeof("fastcgi://") - 1;
2070 lcf->upstream.schema.data = (u_char *) "fastcgi://";
2071
2072 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
2073
2074 clcf->handler = ngx_http_fastcgi_handler;
2075 2154
2076 if (clcf->name.data[clcf->name.len - 1] == '/') { 2155 if (clcf->name.data[clcf->name.len - 1] == '/') {
2077 clcf->auto_redirect = 1; 2156 clcf->auto_redirect = 1;
2078 } 2157 }
2079 2158