Mercurial > hg > nginx
annotate src/http/modules/ngx_http_fastcgi_module.c @ 1256:b363902309c2
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author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Thu, 14 Jun 2007 05:48:47 +0000 |
parents | 863c3490103e |
children | ace48cc7a946 |
rev | line source |
---|---|
479 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 */ | |
5 | |
6 | |
7 #include <ngx_config.h> | |
8 #include <ngx_core.h> | |
9 #include <ngx_http.h> | |
10 #include <nginx.h> | |
11 | |
12 | |
13 typedef struct { | |
651 | 14 ngx_http_upstream_conf_t upstream; |
15 | |
16 ngx_str_t index; | |
17 | |
18 ngx_array_t *flushes; | |
19 ngx_array_t *params_len; | |
20 ngx_array_t *params; | |
21 ngx_array_t *params_source; | |
1228 | 22 ngx_array_t *catch_stderr; |
479 | 23 } ngx_http_fastcgi_loc_conf_t; |
24 | |
25 | |
26 typedef enum { | |
27 ngx_http_fastcgi_st_version = 0, | |
28 ngx_http_fastcgi_st_type, | |
29 ngx_http_fastcgi_st_request_id_hi, | |
30 ngx_http_fastcgi_st_request_id_lo, | |
31 ngx_http_fastcgi_st_content_length_hi, | |
32 ngx_http_fastcgi_st_content_length_lo, | |
33 ngx_http_fastcgi_st_padding_length, | |
34 ngx_http_fastcgi_st_reserved, | |
35 ngx_http_fastcgi_st_data, | |
515 | 36 ngx_http_fastcgi_st_padding |
479 | 37 } ngx_http_fastcgi_state_e; |
38 | |
39 | |
40 typedef struct { | |
651 | 41 ngx_http_fastcgi_state_e state; |
42 u_char *pos; | |
43 u_char *last; | |
44 ngx_uint_t type; | |
45 size_t length; | |
46 size_t padding; | |
47 | |
48 ngx_uint_t fastcgi_stdout; | |
479 | 49 } ngx_http_fastcgi_ctx_t; |
50 | |
51 | |
52 #define NGX_HTTP_FASTCGI_RESPONDER 1 | |
53 | |
54 #define NGX_HTTP_FASTCGI_BEGIN_REQUEST 1 | |
55 #define NGX_HTTP_FASTCGI_ABORT_REQUEST 2 | |
56 #define NGX_HTTP_FASTCGI_END_REQUEST 3 | |
57 #define NGX_HTTP_FASTCGI_PARAMS 4 | |
58 #define NGX_HTTP_FASTCGI_STDIN 5 | |
59 #define NGX_HTTP_FASTCGI_STDOUT 6 | |
60 #define NGX_HTTP_FASTCGI_STDERR 7 | |
61 #define NGX_HTTP_FASTCGI_DATA 8 | |
62 | |
63 | |
64 typedef struct { | |
65 u_char version; | |
66 u_char type; | |
67 u_char request_id_hi; | |
68 u_char request_id_lo; | |
69 u_char content_length_hi; | |
70 u_char content_length_lo; | |
71 u_char padding_length; | |
72 u_char reserved; | |
73 } ngx_http_fastcgi_header_t; | |
74 | |
75 | |
76 typedef struct { | |
77 u_char role_hi; | |
78 u_char role_lo; | |
79 u_char flags; | |
80 u_char reserved[5]; | |
81 } ngx_http_fastcgi_begin_request_t; | |
82 | |
83 | |
509 | 84 typedef struct { |
85 u_char version; | |
86 u_char type; | |
87 u_char request_id_hi; | |
88 u_char request_id_lo; | |
89 } ngx_http_fastcgi_header_small_t; | |
90 | |
91 | |
92 typedef struct { | |
93 ngx_http_fastcgi_header_t h0; | |
94 ngx_http_fastcgi_begin_request_t br; | |
95 ngx_http_fastcgi_header_small_t h1; | |
96 } ngx_http_fastcgi_request_start_t; | |
97 | |
98 | |
479 | 99 static ngx_int_t ngx_http_fastcgi_create_request(ngx_http_request_t *r); |
100 static ngx_int_t ngx_http_fastcgi_reinit_request(ngx_http_request_t *r); | |
101 static ngx_int_t ngx_http_fastcgi_process_header(ngx_http_request_t *r); | |
102 static ngx_int_t ngx_http_fastcgi_input_filter(ngx_event_pipe_t *p, | |
487 | 103 ngx_buf_t *buf); |
479 | 104 static ngx_int_t ngx_http_fastcgi_process_record(ngx_http_request_t *r, |
487 | 105 ngx_http_fastcgi_ctx_t *f); |
479 | 106 static void ngx_http_fastcgi_abort_request(ngx_http_request_t *r); |
107 static void ngx_http_fastcgi_finalize_request(ngx_http_request_t *r, | |
487 | 108 ngx_int_t rc); |
479 | 109 |
509 | 110 static ngx_int_t ngx_http_fastcgi_add_variables(ngx_conf_t *cf); |
111 static void *ngx_http_fastcgi_create_loc_conf(ngx_conf_t *cf); | |
112 static char *ngx_http_fastcgi_merge_loc_conf(ngx_conf_t *cf, | |
113 void *parent, void *child); | |
573 | 114 static ngx_int_t ngx_http_fastcgi_script_name_variable(ngx_http_request_t *r, |
115 ngx_http_variable_value_t *v, uintptr_t data); | |
509 | 116 |
479 | 117 static char *ngx_http_fastcgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, |
487 | 118 void *conf); |
479 | 119 static char *ngx_http_fastcgi_lowat_check(ngx_conf_t *cf, void *post, |
487 | 120 void *data); |
479 | 121 |
884 | 122 static char *ngx_http_fastcgi_upstream_max_fails_unsupported(ngx_conf_t *cf, |
123 ngx_command_t *cmd, void *conf); | |
124 static char *ngx_http_fastcgi_upstream_fail_timeout_unsupported(ngx_conf_t *cf, | |
125 ngx_command_t *cmd, void *conf); | |
126 | |
479 | 127 |
509 | 128 static ngx_http_fastcgi_request_start_t ngx_http_fastcgi_request_start = { |
129 { 1, /* version */ | |
130 NGX_HTTP_FASTCGI_BEGIN_REQUEST, /* type */ | |
131 0, /* request_id_hi */ | |
132 1, /* request_id_lo */ | |
133 0, /* content_length_hi */ | |
134 sizeof(ngx_http_fastcgi_begin_request_t), /* content_length_lo */ | |
135 0, /* padding_length */ | |
136 0 }, /* reserved */ | |
137 | |
138 { 0, /* role_hi */ | |
139 NGX_HTTP_FASTCGI_RESPONDER, /* role_lo */ | |
140 0, /* NGX_HTTP_FASTCGI_KEEP_CONN */ /* flags */ | |
141 { 0, 0, 0, 0, 0 } }, /* reserved[5] */ | |
142 | |
143 { 1, /* version */ | |
144 NGX_HTTP_FASTCGI_PARAMS, /* type */ | |
145 0, /* request_id_hi */ | |
146 1 }, /* request_id_lo */ | |
147 | |
148 }; | |
149 | |
150 | |
151 static ngx_str_t ngx_http_fastcgi_script_name = | |
152 ngx_string("fastcgi_script_name"); | |
479 | 153 |
154 | |
509 | 155 static ngx_conf_post_t ngx_http_fastcgi_lowat_post = |
156 { ngx_http_fastcgi_lowat_check }; | |
479 | 157 |
581 | 158 static ngx_conf_deprecated_t ngx_conf_deprecated_fastcgi_header_buffer_size = { |
159 ngx_conf_deprecated, "fastcgi_header_buffer_size", "fastcgi_buffer_size" | |
160 }; | |
161 | |
657 | 162 static ngx_conf_deprecated_t ngx_conf_deprecated_fastcgi_redirect_errors = { |
163 ngx_conf_deprecated, "fastcgi_redirect_errors", "fastcgi_intercept_errors" | |
164 }; | |
165 | |
479 | 166 |
167 static ngx_conf_bitmask_t ngx_http_fastcgi_next_upstream_masks[] = { | |
168 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR }, | |
169 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT }, | |
170 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER }, | |
171 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 }, | |
623 | 172 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 }, |
479 | 173 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 }, |
665 | 174 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF }, |
479 | 175 { ngx_null_string, 0 } |
176 }; | |
177 | |
178 | |
179 static ngx_command_t ngx_http_fastcgi_commands[] = { | |
180 | |
181 { ngx_string("fastcgi_pass"), | |
629 | 182 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, |
479 | 183 ngx_http_fastcgi_pass, |
184 NGX_HTTP_LOC_CONF_OFFSET, | |
185 0, | |
186 NULL }, | |
187 | |
188 { ngx_string("fastcgi_index"), | |
189 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
190 ngx_conf_set_str_slot, | |
191 NGX_HTTP_LOC_CONF_OFFSET, | |
192 offsetof(ngx_http_fastcgi_loc_conf_t, index), | |
193 NULL }, | |
194 | |
629 | 195 { ngx_string("fastcgi_ignore_client_abort"), |
196 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
197 ngx_conf_set_flag_slot, | |
198 NGX_HTTP_LOC_CONF_OFFSET, | |
199 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.ignore_client_abort), | |
200 NULL }, | |
201 | |
479 | 202 { ngx_string("fastcgi_connect_timeout"), |
203 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
204 ngx_conf_set_msec_slot, | |
205 NGX_HTTP_LOC_CONF_OFFSET, | |
206 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.connect_timeout), | |
207 NULL }, | |
208 | |
209 { ngx_string("fastcgi_send_timeout"), | |
210 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
211 ngx_conf_set_msec_slot, | |
212 NGX_HTTP_LOC_CONF_OFFSET, | |
213 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.send_timeout), | |
214 NULL }, | |
215 | |
216 { ngx_string("fastcgi_send_lowat"), | |
217 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
218 ngx_conf_set_size_slot, | |
219 NGX_HTTP_LOC_CONF_OFFSET, | |
220 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.send_lowat), | |
221 &ngx_http_fastcgi_lowat_post }, | |
222 | |
581 | 223 { ngx_string("fastcgi_buffer_size"), |
224 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
225 ngx_conf_set_size_slot, | |
226 NGX_HTTP_LOC_CONF_OFFSET, | |
227 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.buffer_size), | |
228 NULL }, | |
229 | |
479 | 230 { ngx_string("fastcgi_header_buffer_size"), |
231 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
232 ngx_conf_set_size_slot, | |
233 NGX_HTTP_LOC_CONF_OFFSET, | |
581 | 234 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.buffer_size), |
235 &ngx_conf_deprecated_fastcgi_header_buffer_size }, | |
479 | 236 |
509 | 237 { ngx_string("fastcgi_pass_request_headers"), |
238 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
239 ngx_conf_set_flag_slot, | |
240 NGX_HTTP_LOC_CONF_OFFSET, | |
241 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.pass_request_headers), | |
242 NULL }, | |
243 | |
244 { ngx_string("fastcgi_pass_request_body"), | |
245 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
246 ngx_conf_set_flag_slot, | |
247 NGX_HTTP_LOC_CONF_OFFSET, | |
248 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.pass_request_body), | |
249 NULL }, | |
250 | |
657 | 251 { ngx_string("fastcgi_intercept_errors"), |
252 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
253 ngx_conf_set_flag_slot, | |
254 NGX_HTTP_LOC_CONF_OFFSET, | |
255 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.intercept_errors), | |
256 NULL }, | |
257 | |
487 | 258 { ngx_string("fastcgi_redirect_errors"), |
259 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
260 ngx_conf_set_flag_slot, | |
261 NGX_HTTP_LOC_CONF_OFFSET, | |
657 | 262 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.intercept_errors), |
263 &ngx_conf_deprecated_fastcgi_redirect_errors }, | |
487 | 264 |
479 | 265 { ngx_string("fastcgi_read_timeout"), |
266 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
267 ngx_conf_set_msec_slot, | |
268 NGX_HTTP_LOC_CONF_OFFSET, | |
269 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.read_timeout), | |
270 NULL }, | |
271 | |
272 { ngx_string("fastcgi_buffers"), | |
273 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, | |
274 ngx_conf_set_bufs_slot, | |
275 NGX_HTTP_LOC_CONF_OFFSET, | |
276 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.bufs), | |
277 NULL }, | |
278 | |
279 { ngx_string("fastcgi_busy_buffers_size"), | |
280 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
281 ngx_conf_set_size_slot, | |
282 NGX_HTTP_LOC_CONF_OFFSET, | |
529 | 283 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.busy_buffers_size_conf), |
479 | 284 NULL }, |
285 | |
286 { ngx_string("fastcgi_temp_path"), | |
287 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234, | |
288 ngx_conf_set_path_slot, | |
289 NGX_HTTP_LOC_CONF_OFFSET, | |
290 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.temp_path), | |
291 (void *) ngx_garbage_collector_temp_handler }, | |
292 | |
293 { ngx_string("fastcgi_max_temp_file_size"), | |
294 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
295 ngx_conf_set_size_slot, | |
296 NGX_HTTP_LOC_CONF_OFFSET, | |
529 | 297 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.max_temp_file_size_conf), |
479 | 298 NULL }, |
299 | |
300 { ngx_string("fastcgi_temp_file_write_size"), | |
301 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
302 ngx_conf_set_size_slot, | |
303 NGX_HTTP_LOC_CONF_OFFSET, | |
529 | 304 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.temp_file_write_size_conf), |
479 | 305 NULL }, |
306 | |
307 { ngx_string("fastcgi_next_upstream"), | |
547 | 308 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
479 | 309 ngx_conf_set_bitmask_slot, |
310 NGX_HTTP_LOC_CONF_OFFSET, | |
311 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.next_upstream), | |
312 &ngx_http_fastcgi_next_upstream_masks }, | |
313 | |
561 | 314 { ngx_string("fastcgi_upstream_max_fails"), |
315 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
884 | 316 ngx_http_fastcgi_upstream_max_fails_unsupported, |
317 0, | |
318 0, | |
561 | 319 NULL }, |
320 | |
321 { ngx_string("fastcgi_upstream_fail_timeout"), | |
322 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
884 | 323 ngx_http_fastcgi_upstream_fail_timeout_unsupported, |
324 0, | |
325 0, | |
561 | 326 NULL }, |
327 | |
509 | 328 { ngx_string("fastcgi_param"), |
329 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, | |
649 | 330 ngx_conf_set_keyval_slot, |
485 | 331 NGX_HTTP_LOC_CONF_OFFSET, |
509 | 332 offsetof(ngx_http_fastcgi_loc_conf_t, params_source), |
485 | 333 NULL }, |
334 | |
649 | 335 { ngx_string("fastcgi_pass_header"), |
336 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
337 ngx_conf_set_str_array_slot, | |
338 NGX_HTTP_LOC_CONF_OFFSET, | |
339 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.pass_headers), | |
340 NULL }, | |
341 | |
342 { ngx_string("fastcgi_hide_header"), | |
343 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
344 ngx_conf_set_str_array_slot, | |
345 NGX_HTTP_LOC_CONF_OFFSET, | |
346 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.hide_headers), | |
347 NULL }, | |
348 | |
1228 | 349 { ngx_string("fastcgi_catch_stderr"), |
350 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
351 ngx_conf_set_str_array_slot, | |
352 NGX_HTTP_LOC_CONF_OFFSET, | |
353 offsetof(ngx_http_fastcgi_loc_conf_t, catch_stderr), | |
354 NULL }, | |
355 | |
479 | 356 ngx_null_command |
357 }; | |
358 | |
359 | |
667 | 360 static ngx_http_module_t ngx_http_fastcgi_module_ctx = { |
509 | 361 ngx_http_fastcgi_add_variables, /* preconfiguration */ |
362 NULL, /* postconfiguration */ | |
479 | 363 |
364 NULL, /* create main configuration */ | |
365 NULL, /* init main configuration */ | |
366 | |
367 NULL, /* create server configuration */ | |
368 NULL, /* merge server configuration */ | |
369 | |
370 ngx_http_fastcgi_create_loc_conf, /* create location configuration */ | |
371 ngx_http_fastcgi_merge_loc_conf /* merge location configuration */ | |
372 }; | |
373 | |
374 | |
375 ngx_module_t ngx_http_fastcgi_module = { | |
509 | 376 NGX_MODULE_V1, |
479 | 377 &ngx_http_fastcgi_module_ctx, /* module context */ |
378 ngx_http_fastcgi_commands, /* module directives */ | |
379 NGX_HTTP_MODULE, /* module type */ | |
541 | 380 NULL, /* init master */ |
479 | 381 NULL, /* init module */ |
541 | 382 NULL, /* init process */ |
383 NULL, /* init thread */ | |
384 NULL, /* exit thread */ | |
385 NULL, /* exit process */ | |
386 NULL, /* exit master */ | |
387 NGX_MODULE_V1_PADDING | |
479 | 388 }; |
389 | |
390 | |
649 | 391 static ngx_str_t ngx_http_fastcgi_hide_headers[] = { |
392 ngx_string("Status"), | |
393 ngx_string("X-Accel-Expires"), | |
394 ngx_string("X-Accel-Redirect"), | |
395 ngx_string("X-Accel-Limit-Rate"), | |
396 ngx_string("X-Accel-Buffer"), | |
397 ngx_null_string | |
398 }; | |
399 | |
400 | |
487 | 401 static ngx_int_t |
402 ngx_http_fastcgi_handler(ngx_http_request_t *r) | |
479 | 403 { |
404 ngx_int_t rc; | |
405 ngx_http_upstream_t *u; | |
406 ngx_http_fastcgi_loc_conf_t *flcf; | |
407 | |
777
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408 if (r->subrequest_in_memory) { |
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409 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
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410 "ngx_http_fastcgi_module does not support " |
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411 "subrequest in memeory"); |
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412 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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413 } |
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414 |
479 | 415 flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module); |
416 | |
501 | 417 u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t)); |
418 if (u == NULL) { | |
479 | 419 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
420 } | |
421 | |
422 u->peer.log = r->connection->log; | |
423 u->peer.log_error = NGX_ERROR_ERR; | |
424 #if (NGX_THREADS) | |
425 u->peer.lock = &r->connection->lock; | |
426 #endif | |
427 | |
428 u->output.tag = (ngx_buf_tag_t) &ngx_http_fastcgi_module; | |
429 | |
430 u->conf = &flcf->upstream; | |
431 | |
432 u->create_request = ngx_http_fastcgi_create_request; | |
433 u->reinit_request = ngx_http_fastcgi_reinit_request; | |
434 u->process_header = ngx_http_fastcgi_process_header; | |
435 u->abort_request = ngx_http_fastcgi_abort_request; | |
436 u->finalize_request = ngx_http_fastcgi_finalize_request; | |
437 | |
649 | 438 u->buffering = 1; |
439 | |
581 | 440 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t)); |
441 if (u->pipe == NULL) { | |
442 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
443 } | |
444 | |
445 u->pipe->input_filter = ngx_http_fastcgi_input_filter; | |
446 u->pipe->input_ctx = r; | |
479 | 447 |
448 r->upstream = u; | |
449 | |
450 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init); | |
451 | |
452 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { | |
453 return rc; | |
454 } | |
455 | |
456 return NGX_DONE; | |
457 } | |
458 | |
459 | |
487 | 460 static ngx_int_t |
461 ngx_http_fastcgi_create_request(ngx_http_request_t *r) | |
479 | 462 { |
509 | 463 off_t file_pos; |
464 u_char ch, *pos; | |
465 size_t size, len, key_len, val_len, padding; | |
466 ngx_uint_t i, n, next; | |
467 ngx_buf_t *b; | |
468 ngx_chain_t *cl, *body; | |
469 ngx_list_part_t *part; | |
470 ngx_table_elt_t *header; | |
471 ngx_http_script_code_pt code; | |
472 ngx_http_script_engine_t e, le; | |
473 ngx_http_fastcgi_header_t *h; | |
474 ngx_http_fastcgi_loc_conf_t *flcf; | |
475 ngx_http_script_len_code_pt lcode; | |
479 | 476 |
509 | 477 len = 0; |
485 | 478 |
479 | 479 flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module); |
480 | |
509 | 481 if (flcf->params_len) { |
482 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
479 | 483 |
573 | 484 ngx_http_script_flush_no_cachable_variables(r, flcf->flushes); |
485 le.flushed = 1; | |
486 | |
509 | 487 le.ip = flcf->params_len->elts; |
488 le.request = r; | |
479 | 489 |
509 | 490 while (*(uintptr_t *) le.ip) { |
487 | 491 |
509 | 492 lcode = *(ngx_http_script_len_code_pt *) le.ip; |
493 key_len = lcode(&le); | |
479 | 494 |
509 | 495 for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) { |
496 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
497 } | |
498 le.ip += sizeof(uintptr_t); | |
479 | 499 |
537 | 500 len += 1 + key_len + ((val_len > 127) ? 4 : 1) + val_len; |
485 | 501 } |
502 } | |
503 | |
509 | 504 if (flcf->upstream.pass_request_headers) { |
485 | 505 |
509 | 506 part = &r->headers_in.headers.part; |
507 header = part->elts; | |
508 | |
509 for (i = 0; /* void */; i++) { | |
479 | 510 |
509 | 511 if (i >= part->nelts) { |
512 if (part->next == NULL) { | |
513 break; | |
514 } | |
479 | 515 |
509 | 516 part = part->next; |
517 header = part->elts; | |
518 i = 0; | |
479 | 519 } |
520 | |
509 | 521 len += ((sizeof("HTTP_") - 1 + header[i].key.len > 127) ? 4 : 1) |
522 + ((header[i].value.len > 127) ? 4 : 1) | |
523 + sizeof("HTTP_") - 1 + header[i].key.len + header[i].value.len; | |
479 | 524 } |
525 } | |
526 | |
527 | |
528 if (len > 65535) { | |
529 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
530 "fastcgi: the request record is too big"); | |
531 return NGX_ERROR; | |
532 } | |
533 | |
534 | |
535 padding = 8 - len % 8; | |
536 padding = (padding == 8) ? 0 : padding; | |
537 | |
538 | |
539 size = sizeof(ngx_http_fastcgi_header_t) | |
540 + sizeof(ngx_http_fastcgi_begin_request_t) | |
541 | |
542 + sizeof(ngx_http_fastcgi_header_t) /* NGX_HTTP_FASTCGI_PARAMS */ | |
543 + len + padding | |
544 + sizeof(ngx_http_fastcgi_header_t) /* NGX_HTTP_FASTCGI_PARAMS */ | |
545 | |
546 + sizeof(ngx_http_fastcgi_header_t); /* NGX_HTTP_FASTCGI_STDIN */ | |
547 | |
548 | |
501 | 549 b = ngx_create_temp_buf(r->pool, size); |
550 if (b == NULL) { | |
479 | 551 return NGX_ERROR; |
552 } | |
553 | |
501 | 554 cl = ngx_alloc_chain_link(r->pool); |
555 if (cl == NULL) { | |
479 | 556 return NGX_ERROR; |
557 } | |
558 | |
559 cl->buf = b; | |
560 | |
509 | 561 ngx_memcpy(b->pos, &ngx_http_fastcgi_request_start, |
562 sizeof(ngx_http_fastcgi_request_start_t)); | |
479 | 563 |
564 h = (ngx_http_fastcgi_header_t *) | |
565 (b->pos + sizeof(ngx_http_fastcgi_header_t) | |
566 + sizeof(ngx_http_fastcgi_begin_request_t)); | |
567 | |
568 h->content_length_hi = (u_char) ((len >> 8) & 0xff); | |
569 h->content_length_lo = (u_char) (len & 0xff); | |
570 h->padding_length = (u_char) padding; | |
571 h->reserved = 0; | |
572 | |
573 b->last = b->pos + sizeof(ngx_http_fastcgi_header_t) | |
574 + sizeof(ngx_http_fastcgi_begin_request_t) | |
575 + sizeof(ngx_http_fastcgi_header_t); | |
576 | |
577 | |
509 | 578 if (flcf->params_len) { |
579 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); | |
479 | 580 |
509 | 581 e.ip = flcf->params->elts; |
582 e.pos = b->last; | |
583 e.request = r; | |
573 | 584 e.flushed = 1; |
479 | 585 |
509 | 586 le.ip = flcf->params_len->elts; |
479 | 587 |
509 | 588 while (*(uintptr_t *) le.ip) { |
479 | 589 |
509 | 590 lcode = *(ngx_http_script_len_code_pt *) le.ip; |
591 key_len = (u_char) lcode(&le); | |
479 | 592 |
509 | 593 for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) { |
594 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
595 } | |
596 le.ip += sizeof(uintptr_t); | |
479 | 597 |
537 | 598 *e.pos++ = (u_char) key_len; |
479 | 599 |
537 | 600 if (val_len > 127) { |
601 *e.pos++ = (u_char) (((val_len >> 24) & 0x7f) | 0x80); | |
602 *e.pos++ = (u_char) ((val_len >> 16) & 0xff); | |
603 *e.pos++ = (u_char) ((val_len >> 8) & 0xff); | |
604 *e.pos++ = (u_char) (val_len & 0xff); | |
479 | 605 |
537 | 606 } else { |
607 *e.pos++ = (u_char) val_len; | |
509 | 608 } |
479 | 609 |
509 | 610 while (*(uintptr_t *) e.ip) { |
611 code = *(ngx_http_script_code_pt *) e.ip; | |
612 code((ngx_http_script_engine_t *) &e); | |
613 } | |
614 e.ip += sizeof(uintptr_t); | |
479 | 615 } |
616 | |
509 | 617 b->last = e.pos; |
487 | 618 } |
619 | |
620 | |
509 | 621 if (flcf->upstream.pass_request_headers) { |
479 | 622 |
509 | 623 part = &r->headers_in.headers.part; |
624 header = part->elts; | |
479 | 625 |
509 | 626 for (i = 0; /* void */; i++) { |
491 | 627 |
509 | 628 if (i >= part->nelts) { |
629 if (part->next == NULL) { | |
577 | 630 break; |
509 | 631 } |
577 | 632 |
509 | 633 part = part->next; |
634 header = part->elts; | |
635 i = 0; | |
636 } | |
479 | 637 |
509 | 638 len = sizeof("HTTP_") - 1 + header[i].key.len; |
639 if (len > 127) { | |
640 *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80); | |
641 *b->last++ = (u_char) ((len >> 16) & 0xff); | |
642 *b->last++ = (u_char) ((len >> 8) & 0xff); | |
643 *b->last++ = (u_char) (len & 0xff); | |
577 | 644 |
509 | 645 } else { |
646 *b->last++ = (u_char) len; | |
487 | 647 } |
648 | |
509 | 649 len = header[i].value.len; |
650 if (len > 127) { | |
651 *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80); | |
652 *b->last++ = (u_char) ((len >> 16) & 0xff); | |
653 *b->last++ = (u_char) ((len >> 8) & 0xff); | |
654 *b->last++ = (u_char) (len & 0xff); | |
487 | 655 |
509 | 656 } else { |
657 *b->last++ = (u_char) len; | |
479 | 658 } |
659 | |
509 | 660 b->last = ngx_cpymem(b->last, "HTTP_", sizeof("HTTP_") - 1); |
479 | 661 |
509 | 662 for (n = 0; n < header[i].key.len; n++) { |
663 ch = header[i].key.data[n]; | |
479 | 664 |
509 | 665 if (ch >= 'a' && ch <= 'z') { |
666 ch &= ~0x20; | |
479 | 667 |
509 | 668 } else if (ch == '-') { |
669 ch = '_'; | |
670 } | |
479 | 671 |
509 | 672 *b->last++ = ch; |
479 | 673 } |
674 | |
573 | 675 b->last = ngx_copy(b->last, header[i].value.data, |
676 header[i].value.len); | |
479 | 677 } |
678 } | |
679 | |
680 | |
681 if (padding) { | |
682 ngx_memzero(b->last, padding); | |
683 b->last += padding; | |
684 } | |
685 | |
686 | |
687 h = (ngx_http_fastcgi_header_t *) b->last; | |
688 b->last += sizeof(ngx_http_fastcgi_header_t); | |
689 | |
690 h->version = 1; | |
691 h->type = NGX_HTTP_FASTCGI_PARAMS; | |
692 h->request_id_hi = 0; | |
693 h->request_id_lo = 1; | |
694 h->content_length_hi = 0; | |
695 h->content_length_lo = 0; | |
696 h->padding_length = 0; | |
697 h->reserved = 0; | |
698 | |
699 h = (ngx_http_fastcgi_header_t *) b->last; | |
700 b->last += sizeof(ngx_http_fastcgi_header_t); | |
701 | |
509 | 702 if (flcf->upstream.pass_request_body) { |
703 body = r->upstream->request_bufs; | |
704 r->upstream->request_bufs = cl; | |
479 | 705 |
706 #if (NGX_SUPPRESS_WARN) | |
509 | 707 file_pos = 0; |
708 pos = NULL; | |
479 | 709 #endif |
710 | |
509 | 711 while (body) { |
479 | 712 |
509 | 713 if (body->buf->in_file) { |
714 file_pos = body->buf->file_pos; | |
479 | 715 |
509 | 716 } else { |
717 pos = body->buf->pos; | |
479 | 718 } |
719 | |
509 | 720 next = 0; |
479 | 721 |
509 | 722 do { |
723 b = ngx_alloc_buf(r->pool); | |
724 if (b == NULL) { | |
725 return NGX_ERROR; | |
479 | 726 } |
727 | |
509 | 728 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t)); |
729 | |
730 if (body->buf->in_file) { | |
731 b->file_pos = file_pos; | |
732 file_pos += 32 * 1024; | |
479 | 733 |
1142
e479e0b02e5a
fix "zero size buf" if request body file is multiple of 32K and FastCGI is used
Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
734 if (file_pos >= body->buf->file_last) { |
509 | 735 file_pos = body->buf->file_last; |
736 next = 1; | |
737 } | |
738 | |
739 b->file_last = file_pos; | |
740 len = (ngx_uint_t) (file_pos - b->file_pos); | |
741 | |
742 } else { | |
743 b->pos = pos; | |
744 pos += 32 * 1024; | |
479 | 745 |
1142
e479e0b02e5a
fix "zero size buf" if request body file is multiple of 32K and FastCGI is used
Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
746 if (pos >= body->buf->last) { |
509 | 747 pos = body->buf->last; |
748 next = 1; | |
749 } | |
750 | |
751 b->last = pos; | |
752 len = (ngx_uint_t) (pos - b->pos); | |
753 } | |
479 | 754 |
509 | 755 padding = 8 - len % 8; |
756 padding = (padding == 8) ? 0 : padding; | |
479 | 757 |
509 | 758 h->version = 1; |
759 h->type = NGX_HTTP_FASTCGI_STDIN; | |
760 h->request_id_hi = 0; | |
761 h->request_id_lo = 1; | |
762 h->content_length_hi = (u_char) ((len >> 8) & 0xff); | |
763 h->content_length_lo = (u_char) (len & 0xff); | |
764 h->padding_length = (u_char) padding; | |
765 h->reserved = 0; | |
479 | 766 |
509 | 767 cl->next = ngx_alloc_chain_link(r->pool); |
768 if (cl->next == NULL) { | |
769 return NGX_ERROR; | |
770 } | |
479 | 771 |
509 | 772 cl = cl->next; |
773 cl->buf = b; | |
774 | |
775 b = ngx_create_temp_buf(r->pool, | |
776 sizeof(ngx_http_fastcgi_header_t) | |
777 + padding); | |
778 if (b == NULL) { | |
779 return NGX_ERROR; | |
780 } | |
479 | 781 |
509 | 782 if (padding) { |
783 ngx_memzero(b->last, padding); | |
784 b->last += padding; | |
785 } | |
786 | |
787 h = (ngx_http_fastcgi_header_t *) b->last; | |
788 b->last += sizeof(ngx_http_fastcgi_header_t); | |
479 | 789 |
509 | 790 cl->next = ngx_alloc_chain_link(r->pool); |
791 if (cl->next == NULL) { | |
792 return NGX_ERROR; | |
793 } | |
794 | |
795 cl = cl->next; | |
796 cl->buf = b; | |
479 | 797 |
509 | 798 } while (!next); |
479 | 799 |
509 | 800 body = body->next; |
801 } | |
479 | 802 |
509 | 803 } else { |
804 r->upstream->request_bufs = cl; | |
479 | 805 } |
806 | |
807 h->version = 1; | |
808 h->type = NGX_HTTP_FASTCGI_STDIN; | |
809 h->request_id_hi = 0; | |
810 h->request_id_lo = 1; | |
811 h->content_length_hi = 0; | |
812 h->content_length_lo = 0; | |
813 h->padding_length = 0; | |
814 h->reserved = 0; | |
815 | |
816 cl->next = NULL; | |
817 | |
818 return NGX_OK; | |
819 } | |
820 | |
821 | |
487 | 822 static ngx_int_t |
823 ngx_http_fastcgi_reinit_request(ngx_http_request_t *r) | |
479 | 824 { |
825 ngx_http_fastcgi_ctx_t *f; | |
826 | |
827 f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module); | |
828 | |
829 if (f == NULL) { | |
830 return NGX_OK; | |
831 } | |
832 | |
833 f->state = ngx_http_fastcgi_st_version; | |
615 | 834 f->fastcgi_stdout = 0; |
479 | 835 |
836 return NGX_OK; | |
837 } | |
838 | |
839 | |
507 | 840 static ngx_int_t |
841 ngx_http_fastcgi_process_header(ngx_http_request_t *r) | |
479 | 842 { |
509 | 843 u_char *start, *last; |
1228 | 844 ngx_str_t *status_line, line, *pattern; |
509 | 845 ngx_int_t rc, status; |
649 | 846 ngx_uint_t i; |
509 | 847 ngx_table_elt_t *h; |
848 ngx_http_upstream_t *u; | |
849 ngx_http_fastcgi_ctx_t *f; | |
850 ngx_http_upstream_header_t *hh; | |
1228 | 851 ngx_http_fastcgi_loc_conf_t *flcf; |
509 | 852 ngx_http_upstream_main_conf_t *umcf; |
479 | 853 |
854 f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module); | |
855 | |
509 | 856 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); |
857 | |
479 | 858 if (f == NULL) { |
501 | 859 f = ngx_pcalloc(r->pool, sizeof(ngx_http_fastcgi_ctx_t)); |
860 if (f == NULL) { | |
479 | 861 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
862 } | |
863 | |
864 ngx_http_set_ctx(r, f, ngx_http_fastcgi_module); | |
865 } | |
866 | |
867 u = r->upstream; | |
868 | |
869 for ( ;; ) { | |
870 | |
871 if (f->state < ngx_http_fastcgi_st_data) { | |
872 | |
581 | 873 f->pos = u->buffer.pos; |
874 f->last = u->buffer.last; | |
479 | 875 |
876 rc = ngx_http_fastcgi_process_record(r, f); | |
877 | |
581 | 878 u->buffer.pos = f->pos; |
879 u->buffer.last = f->last; | |
479 | 880 |
881 if (rc == NGX_AGAIN) { | |
882 return NGX_AGAIN; | |
883 } | |
884 | |
885 if (rc == NGX_ERROR) { | |
886 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
887 } | |
888 | |
491 | 889 if (f->type != NGX_HTTP_FASTCGI_STDOUT |
890 && f->type != NGX_HTTP_FASTCGI_STDERR) | |
891 { | |
479 | 892 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
893 "upstream sent unexpected FastCGI record: %d", | |
894 f->type); | |
895 | |
896 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
897 } | |
898 | |
491 | 899 if (f->type == NGX_HTTP_FASTCGI_STDOUT && f->length == 0) { |
479 | 900 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
901 "upstream closed prematurely FastCGI stdout"); | |
902 | |
903 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
904 } | |
905 } | |
906 | |
907 if (f->state == ngx_http_fastcgi_st_padding) { | |
908 | |
581 | 909 if (u->buffer.pos + f->padding < u->buffer.last) { |
479 | 910 f->state = ngx_http_fastcgi_st_version; |
581 | 911 u->buffer.pos += f->padding; |
479 | 912 |
913 continue; | |
914 } | |
915 | |
581 | 916 if (u->buffer.pos + f->padding == u->buffer.last) { |
479 | 917 f->state = ngx_http_fastcgi_st_version; |
581 | 918 u->buffer.pos = u->buffer.last; |
479 | 919 |
920 return NGX_AGAIN; | |
921 } | |
922 | |
581 | 923 f->padding -= u->buffer.last - u->buffer.pos; |
924 u->buffer.pos = u->buffer.last; | |
479 | 925 |
926 return NGX_AGAIN; | |
927 } | |
928 | |
491 | 929 |
479 | 930 /* f->state == ngx_http_fastcgi_st_data */ |
931 | |
491 | 932 if (f->type == NGX_HTTP_FASTCGI_STDERR) { |
933 | |
934 if (f->length) { | |
581 | 935 line.data = u->buffer.pos; |
491 | 936 |
581 | 937 if (u->buffer.pos + f->length <= u->buffer.last) { |
491 | 938 line.len = f->length; |
581 | 939 u->buffer.pos += f->length; |
491 | 940 f->length = 0; |
941 f->state = ngx_http_fastcgi_st_padding; | |
942 | |
577 | 943 } else { |
581 | 944 line.len = u->buffer.last - u->buffer.pos; |
945 f->length -= u->buffer.last - u->buffer.pos; | |
946 u->buffer.pos = u->buffer.last; | |
491 | 947 } |
948 | |
949 while (line.data[line.len - 1] == LF | |
950 || line.data[line.len - 1] == CR | |
951 || line.data[line.len - 1] == '.' | |
952 || line.data[line.len - 1] == ' ') | |
953 { | |
954 line.len--; | |
955 } | |
956 | |
957 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
958 "FastCGI sent in stderr: \"%V\"", &line); | |
959 | |
1228 | 960 flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module); |
961 | |
962 if (flcf->catch_stderr) { | |
963 pattern = flcf->catch_stderr->elts; | |
964 | |
965 line.data[line.len - 1] = '\0'; | |
966 | |
967 for (i = 0; i < flcf->catch_stderr->nelts; i++) { | |
968 if (ngx_strstr(line.data, pattern[i].data)) { | |
969 return NGX_HTTP_BAD_GATEWAY; | |
970 } | |
971 } | |
972 } | |
973 | |
581 | 974 if (u->buffer.pos == u->buffer.last) { |
615 | 975 |
976 if (!f->fastcgi_stdout) { | |
977 | |
978 /* | |
979 * the special handling the large number | |
980 * of the PHP warnings to not allocate memory | |
981 */ | |
982 | |
983 u->buffer.pos = u->buffer.start; | |
984 u->buffer.last = u->buffer.start; | |
985 } | |
986 | |
491 | 987 return NGX_AGAIN; |
988 } | |
989 | |
990 } else { | |
991 f->state = ngx_http_fastcgi_st_version; | |
992 } | |
993 | |
994 continue; | |
995 } | |
996 | |
997 | |
998 /* f->type == NGX_HTTP_FASTCGI_STDOUT */ | |
999 | |
615 | 1000 f->fastcgi_stdout = 1; |
1001 | |
581 | 1002 start = u->buffer.pos; |
479 | 1003 |
581 | 1004 if (u->buffer.pos + f->length < u->buffer.last) { |
479 | 1005 |
1006 /* | |
581 | 1007 * set u->buffer.last to the end of the FastCGI record data |
479 | 1008 * for ngx_http_parse_header_line() |
1009 */ | |
1010 | |
581 | 1011 last = u->buffer.last; |
1012 u->buffer.last = u->buffer.pos + f->length; | |
479 | 1013 |
1014 } else { | |
1015 last = NULL; | |
1016 } | |
1017 | |
1018 for ( ;; ) { | |
1019 | |
581 | 1020 rc = ngx_http_parse_header_line(r, &u->buffer); |
479 | 1021 |
1022 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1023 "http fastcgi parser: %d", rc); | |
1024 | |
1025 if (rc == NGX_AGAIN) { | |
1026 break; | |
1027 } | |
1028 | |
1029 if (rc == NGX_OK) { | |
1030 | |
1031 /* a header line has been parsed successfully */ | |
1032 | |
509 | 1033 h = ngx_list_push(&u->headers_in.headers); |
501 | 1034 if (h == NULL) { |
479 | 1035 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
1036 } | |
1037 | |
509 | 1038 h->hash = r->header_hash; |
1039 | |
479 | 1040 h->key.len = r->header_name_end - r->header_name_start; |
1041 h->value.len = r->header_end - r->header_start; | |
1042 | |
1043 h->key.data = ngx_palloc(r->pool, | |
649 | 1044 h->key.len + 1 + h->value.len + 1 + h->key.len); |
479 | 1045 if (h->key.data == NULL) { |
1046 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1047 } | |
1048 | |
1049 h->value.data = h->key.data + h->key.len + 1; | |
649 | 1050 h->lowcase_key = h->key.data + h->key.len + 1 |
1051 + h->value.len + 1; | |
479 | 1052 |
1053 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1); | |
1054 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1); | |
1055 | |
649 | 1056 if (h->key.len == r->lowcase_index) { |
1057 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len); | |
1058 | |
1059 } else { | |
1060 for (i = 0; i < h->key.len; i++) { | |
1061 h->lowcase_key[i] = ngx_tolower(h->lowcase_key[i]); | |
479 | 1062 } |
1063 } | |
1064 | |
649 | 1065 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash, |
1066 h->lowcase_key, h->key.len); | |
1067 | |
1068 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) { | |
1069 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1070 } | |
1071 | |
479 | 1072 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
1073 "http fastcgi header: \"%V: %V\"", | |
1074 &h->key, &h->value); | |
1075 | |
615 | 1076 if (u->buffer.pos < u->buffer.last) { |
1077 continue; | |
1078 } | |
1079 | |
1080 /* the end of the FastCGI record */ | |
1081 | |
1082 break; | |
479 | 1083 } |
1084 | |
1085 if (rc == NGX_HTTP_PARSE_HEADER_DONE) { | |
1086 | |
1087 /* a whole header has been parsed successfully */ | |
1088 | |
1089 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1090 "http fastcgi header done"); | |
1091 | |
509 | 1092 if (u->headers_in.status) { |
1093 status_line = &u->headers_in.status->value; | |
479 | 1094 |
1095 status = ngx_atoi(status_line->data, 3); | |
1096 | |
1097 if (status == NGX_ERROR) { | |
1098 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1099 } | |
1100 | |
529 | 1101 u->headers_in.status_n = status; |
1102 u->headers_in.status_line = *status_line; | |
479 | 1103 |
1104 } else { | |
529 | 1105 u->headers_in.status_n = 200; |
1106 u->headers_in.status_line.len = sizeof("200 OK") - 1; | |
1107 u->headers_in.status_line.data = (u_char *) "200 OK"; | |
479 | 1108 } |
1109 | |
529 | 1110 u->state->status = u->headers_in.status_n; |
479 | 1111 #if 0 |
1112 if (u->cachable) { | |
1113 u->cachable = ngx_http_upstream_is_cachable(r); | |
1114 } | |
1115 #endif | |
1116 | |
1117 break; | |
1118 } | |
1119 | |
1120 /* there was error while a header line parsing */ | |
1121 | |
1122 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
619 | 1123 "upstream sent invalid header"); |
479 | 1124 |
1125 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
1126 | |
1127 } | |
1128 | |
1129 if (last) { | |
581 | 1130 u->buffer.last = last; |
479 | 1131 } |
1132 | |
581 | 1133 f->length -= u->buffer.pos - start; |
479 | 1134 |
1135 if (f->length == 0) { | |
1136 if (f->padding) { | |
1137 f->state = ngx_http_fastcgi_st_padding; | |
1138 } else { | |
1139 f->state = ngx_http_fastcgi_st_version; | |
1140 } | |
1141 } | |
1142 | |
615 | 1143 if (rc == NGX_HTTP_PARSE_HEADER_DONE) { |
1144 return NGX_OK; | |
1145 } | |
1146 | |
1147 if (u->buffer.pos == u->buffer.last) { | |
1148 return NGX_AGAIN; | |
1149 } | |
1150 | |
1151 if (rc == NGX_AGAIN) { | |
1152 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
1153 "upstream split a header line in FastCGI records"); | |
1154 | |
1155 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
1156 } | |
479 | 1157 } |
1158 } | |
1159 | |
1160 | |
487 | 1161 static ngx_int_t |
1162 ngx_http_fastcgi_input_filter(ngx_event_pipe_t *p, ngx_buf_t *buf) | |
479 | 1163 { |
1164 ngx_int_t rc; | |
483 | 1165 ngx_buf_t *b, **prev; |
479 | 1166 ngx_str_t line; |
1167 ngx_chain_t *cl; | |
1168 ngx_http_request_t *r; | |
1169 ngx_http_fastcgi_ctx_t *f; | |
1170 | |
1171 if (buf->pos == buf->last) { | |
1172 return NGX_OK; | |
1173 } | |
1174 | |
1175 r = p->input_ctx; | |
1176 f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module); | |
1177 | |
1178 b = NULL; | |
483 | 1179 prev = &buf->shadow; |
479 | 1180 |
1181 f->pos = buf->pos; | |
1182 f->last = buf->last; | |
1183 | |
1184 for ( ;; ) { | |
1185 if (f->state < ngx_http_fastcgi_st_data) { | |
1186 | |
1187 rc = ngx_http_fastcgi_process_record(r, f); | |
1188 | |
1189 if (rc == NGX_AGAIN) { | |
1190 break; | |
1191 } | |
1192 | |
1193 if (rc == NGX_ERROR) { | |
1194 return NGX_ERROR; | |
1195 } | |
1196 | |
1197 if (f->type == NGX_HTTP_FASTCGI_STDOUT && f->length == 0) { | |
1198 f->state = ngx_http_fastcgi_st_version; | |
1199 p->upstream_done = 1; | |
1200 | |
1201 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, p->log, 0, | |
1202 "http fastcgi closed stdout"); | |
1203 | |
1204 continue; | |
1205 } | |
1206 | |
1207 if (f->type == NGX_HTTP_FASTCGI_END_REQUEST) { | |
1208 f->state = ngx_http_fastcgi_st_version; | |
1209 p->upstream_done = 1; | |
1210 | |
1211 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, p->log, 0, | |
1212 "http fastcgi sent end request"); | |
1213 | |
1214 break; | |
1215 } | |
1216 } | |
1217 | |
1218 | |
1219 if (f->state == ngx_http_fastcgi_st_padding) { | |
1220 | |
1221 if (f->pos + f->padding < f->last) { | |
1222 f->state = ngx_http_fastcgi_st_version; | |
1223 f->pos += f->padding; | |
1224 | |
1225 continue; | |
1226 } | |
1227 | |
1228 if (f->pos + f->padding == f->last) { | |
1229 f->state = ngx_http_fastcgi_st_version; | |
1230 | |
1231 break; | |
1232 } | |
1233 | |
1234 f->padding -= f->last - f->pos; | |
1235 | |
1236 break; | |
1237 } | |
1238 | |
1239 | |
1240 /* f->state == ngx_http_fastcgi_st_data */ | |
1241 | |
1242 if (f->type == NGX_HTTP_FASTCGI_STDERR) { | |
1243 | |
1244 if (f->length) { | |
639 | 1245 |
1246 if (f->pos == f->last) { | |
1247 break; | |
1248 } | |
1249 | |
479 | 1250 line.data = f->pos; |
1251 | |
1252 if (f->pos + f->length <= f->last) { | |
1253 line.len = f->length; | |
1254 f->pos += f->length; | |
491 | 1255 f->length = 0; |
1256 f->state = ngx_http_fastcgi_st_padding; | |
479 | 1257 |
577 | 1258 } else { |
479 | 1259 line.len = f->last - f->pos; |
1260 f->length -= f->last - f->pos; | |
1261 f->pos = f->last; | |
1262 } | |
1263 | |
491 | 1264 while (line.data[line.len - 1] == LF |
1265 || line.data[line.len - 1] == CR | |
1266 || line.data[line.len - 1] == '.' | |
1267 || line.data[line.len - 1] == ' ') | |
1268 { | |
1269 line.len--; | |
1270 } | |
479 | 1271 |
1272 ngx_log_error(NGX_LOG_ERR, p->log, 0, | |
491 | 1273 "FastCGI sent in stderr: \"%V\"", &line); |
479 | 1274 |
1275 if (f->pos == f->last) { | |
1276 break; | |
1277 } | |
491 | 1278 |
1279 } else { | |
1280 f->state = ngx_http_fastcgi_st_version; | |
479 | 1281 } |
1282 | |
1283 continue; | |
1284 } | |
1285 | |
1286 | |
1287 /* f->type == NGX_HTTP_FASTCGI_STDOUT */ | |
1288 | |
639 | 1289 if (f->pos == f->last) { |
1290 break; | |
1291 } | |
1292 | |
479 | 1293 if (p->free) { |
1294 b = p->free->buf; | |
1295 p->free = p->free->next; | |
1296 | |
1297 } else { | |
501 | 1298 b = ngx_alloc_buf(p->pool); |
1299 if (b == NULL) { | |
479 | 1300 return NGX_ERROR; |
1301 } | |
1302 } | |
1303 | |
1304 ngx_memzero(b, sizeof(ngx_buf_t)); | |
1305 | |
1306 b->pos = f->pos; | |
483 | 1307 b->start = buf->start; |
1308 b->end = buf->end; | |
479 | 1309 b->tag = p->tag; |
1310 b->temporary = 1; | |
1311 b->recycled = 1; | |
483 | 1312 |
1313 *prev = b; | |
1314 prev = &b->shadow; | |
479 | 1315 |
501 | 1316 cl = ngx_alloc_chain_link(p->pool); |
1317 if (cl == NULL) { | |
479 | 1318 return NGX_ERROR; |
1319 } | |
1320 | |
1321 cl->buf = b; | |
1322 cl->next = NULL; | |
1323 | |
501 | 1324 if (p->in) { |
1325 *p->last_in = cl; | |
1326 } else { | |
1327 p->in = cl; | |
1328 } | |
1329 p->last_in = &cl->next; | |
1330 | |
1331 | |
483 | 1332 /* STUB */ b->num = buf->num; |
1333 | |
1030
5a86fcc480c6
add debug logging for FastCGI zero size buf alert
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
1334 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, p->log, 0, |
1037 | 1335 "input buf #%d %p", b->num, b->pos); |
479 | 1336 |
1337 if (f->pos + f->length < f->last) { | |
1338 | |
1339 if (f->padding) { | |
1340 f->state = ngx_http_fastcgi_st_padding; | |
1341 } else { | |
1342 f->state = ngx_http_fastcgi_st_version; | |
1343 } | |
1344 | |
1345 f->pos += f->length; | |
1346 b->last = f->pos; | |
1347 | |
1348 continue; | |
1349 } | |
1350 | |
1351 if (f->pos + f->length == f->last) { | |
1352 | |
1353 if (f->padding) { | |
1354 f->state = ngx_http_fastcgi_st_padding; | |
1355 } else { | |
1356 f->state = ngx_http_fastcgi_st_version; | |
1357 } | |
1358 | |
1359 b->last = f->last; | |
1360 | |
1361 break; | |
1362 } | |
1363 | |
1364 f->length -= f->last - f->pos; | |
1365 | |
1366 b->last = f->last; | |
1367 | |
1368 break; | |
1369 | |
1370 } | |
1371 | |
1372 if (b) { | |
483 | 1373 b->shadow = buf; |
479 | 1374 b->last_shadow = 1; |
483 | 1375 |
1030
5a86fcc480c6
add debug logging for FastCGI zero size buf alert
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
1376 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, p->log, 0, |
1037 | 1377 "input buf %p %z", b->pos, b->last - b->pos); |
1030
5a86fcc480c6
add debug logging for FastCGI zero size buf alert
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
1378 |
483 | 1379 return NGX_OK; |
1380 } | |
1381 | |
1382 /* there is no data record in the buf, add it to free chain */ | |
1383 | |
1384 if (ngx_event_pipe_add_free_buf(p, buf) != NGX_OK) { | |
1385 return NGX_ERROR; | |
479 | 1386 } |
1387 | |
1388 return NGX_OK; | |
1389 } | |
1390 | |
1391 | |
487 | 1392 static ngx_int_t |
1393 ngx_http_fastcgi_process_record(ngx_http_request_t *r, | |
1394 ngx_http_fastcgi_ctx_t *f) | |
479 | 1395 { |
1396 u_char ch, *p; | |
1397 ngx_http_fastcgi_state_e state; | |
1398 | |
1399 state = f->state; | |
1400 | |
1401 for (p = f->pos; p < f->last; p++) { | |
1402 | |
1403 ch = *p; | |
1404 | |
1405 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1406 "http fastcgi record byte: %02Xd", ch); | |
1407 | |
1408 switch (state) { | |
1409 | |
1410 case ngx_http_fastcgi_st_version: | |
1411 if (ch != 1) { | |
1412 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
1413 "upstream sent unsupported FastCGI " | |
1414 "protocol version: %d", ch); | |
1415 return NGX_ERROR; | |
1416 } | |
1417 state = ngx_http_fastcgi_st_type; | |
1418 break; | |
1419 | |
1420 case ngx_http_fastcgi_st_type: | |
1421 switch (ch) { | |
1422 case NGX_HTTP_FASTCGI_STDOUT: | |
1423 case NGX_HTTP_FASTCGI_STDERR: | |
1424 case NGX_HTTP_FASTCGI_END_REQUEST: | |
1425 f->type = (ngx_uint_t) ch; | |
1426 break; | |
1427 default: | |
1428 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
1429 "upstream sent invalid FastCGI " | |
1430 "record type: %d", ch); | |
1431 return NGX_ERROR; | |
1432 | |
1433 } | |
1434 state = ngx_http_fastcgi_st_request_id_hi; | |
1435 break; | |
1436 | |
1437 /* we support the single request per connection */ | |
1438 | |
1439 case ngx_http_fastcgi_st_request_id_hi: | |
1440 if (ch != 0) { | |
1441 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
1442 "upstream sent unexpected FastCGI " | |
1443 "request id high byte: %d", ch); | |
1444 return NGX_ERROR; | |
1445 } | |
1446 state = ngx_http_fastcgi_st_request_id_lo; | |
1447 break; | |
1448 | |
1449 case ngx_http_fastcgi_st_request_id_lo: | |
1450 if (ch != 1) { | |
1451 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
1452 "upstream sent unexpected FastCGI " | |
1453 "request id low byte: %d", ch); | |
1454 return NGX_ERROR; | |
1455 } | |
1456 state = ngx_http_fastcgi_st_content_length_hi; | |
1457 break; | |
1458 | |
1459 case ngx_http_fastcgi_st_content_length_hi: | |
1460 f->length = ch << 8; | |
1461 state = ngx_http_fastcgi_st_content_length_lo; | |
1462 break; | |
1463 | |
1464 case ngx_http_fastcgi_st_content_length_lo: | |
1465 f->length |= (size_t) ch; | |
1466 state = ngx_http_fastcgi_st_padding_length; | |
1467 break; | |
1468 | |
1469 case ngx_http_fastcgi_st_padding_length: | |
1470 f->padding = (size_t) ch; | |
1471 state = ngx_http_fastcgi_st_reserved; | |
1472 break; | |
1473 | |
1474 case ngx_http_fastcgi_st_reserved: | |
1475 state = ngx_http_fastcgi_st_data; | |
1476 | |
1477 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1478 "http fastcgi record length: %z", f->length); | |
1479 | |
1480 f->pos = p + 1; | |
1481 f->state = state; | |
1482 | |
1483 return NGX_OK; | |
1484 | |
1485 /* suppress warning */ | |
1486 case ngx_http_fastcgi_st_data: | |
1487 case ngx_http_fastcgi_st_padding: | |
1488 break; | |
1489 } | |
1490 } | |
1491 | |
1492 f->state = state; | |
1493 | |
1494 return NGX_AGAIN; | |
1495 } | |
1496 | |
1497 | |
487 | 1498 static void |
1499 ngx_http_fastcgi_abort_request(ngx_http_request_t *r) | |
479 | 1500 { |
1501 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1502 "abort http fastcgi request"); | |
1503 | |
1504 return; | |
1505 } | |
1506 | |
1507 | |
487 | 1508 static void |
1509 ngx_http_fastcgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc) | |
479 | 1510 { |
1511 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1512 "finalize http fastcgi request"); | |
1513 | |
1514 return; | |
1515 } | |
1516 | |
1517 | |
509 | 1518 static ngx_int_t |
1519 ngx_http_fastcgi_add_variables(ngx_conf_t *cf) | |
479 | 1520 { |
509 | 1521 ngx_http_variable_t *var; |
479 | 1522 |
583 | 1523 var = ngx_http_add_variable(cf, &ngx_http_fastcgi_script_name, |
655 | 1524 NGX_HTTP_VAR_NOHASH|NGX_HTTP_VAR_NOCACHABLE); |
509 | 1525 if (var == NULL) { |
1526 return NGX_ERROR; | |
479 | 1527 } |
1528 | |
637 | 1529 var->get_handler = ngx_http_fastcgi_script_name_variable; |
485 | 1530 |
509 | 1531 return NGX_OK; |
479 | 1532 } |
1533 | |
1534 | |
487 | 1535 static void * |
1536 ngx_http_fastcgi_create_loc_conf(ngx_conf_t *cf) | |
479 | 1537 { |
1538 ngx_http_fastcgi_loc_conf_t *conf; | |
1539 | |
501 | 1540 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_fastcgi_loc_conf_t)); |
1541 if (conf == NULL) { | |
479 | 1542 return NGX_CONF_ERROR; |
1543 } | |
1544 | |
1545 /* | |
1546 * set by ngx_pcalloc(): | |
1547 * | |
1548 * conf->upstream.bufs.num = 0; | |
1549 * conf->upstream.next_upstream = 0; | |
1550 * conf->upstream.temp_path = NULL; | |
649 | 1551 * conf->upstream.hide_headers_hash = { NULL, 0 }; |
1552 * conf->upstream.hide_headers = NULL; | |
1553 * conf->upstream.pass_headers = NULL; | |
1228 | 1554 * conf->upstream.catch_stderr = NULL; |
509 | 1555 * conf->upstream.schema = { 0, NULL }; |
1556 * conf->upstream.uri = { 0, NULL }; | |
1557 * conf->upstream.location = NULL; | |
1558 * | |
479 | 1559 * conf->index.len = 0; |
1560 * conf->index.data = NULL; | |
1561 */ | |
1562 | |
581 | 1563 conf->upstream.buffering = NGX_CONF_UNSET; |
629 | 1564 conf->upstream.ignore_client_abort = NGX_CONF_UNSET; |
581 | 1565 |
479 | 1566 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC; |
1567 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC; | |
507 | 1568 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC; |
1569 | |
479 | 1570 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE; |
581 | 1571 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE; |
529 | 1572 |
1573 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE; | |
577 | 1574 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE; |
529 | 1575 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE; |
509 | 1576 |
1577 conf->upstream.pass_request_headers = NGX_CONF_UNSET; | |
1578 conf->upstream.pass_request_body = NGX_CONF_UNSET; | |
1579 | |
657 | 1580 conf->upstream.intercept_errors = NGX_CONF_UNSET; |
479 | 1581 |
1582 /* "fastcgi_cyclic_temp_file" is disabled */ | |
1583 conf->upstream.cyclic_temp_file = 0; | |
1584 | |
1585 return conf; | |
1586 } | |
1587 | |
1588 | |
487 | 1589 static char * |
1590 ngx_http_fastcgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
479 | 1591 { |
1592 ngx_http_fastcgi_loc_conf_t *prev = parent; | |
1593 ngx_http_fastcgi_loc_conf_t *conf = child; | |
1594 | |
509 | 1595 u_char *p; |
1596 size_t size; | |
1597 uintptr_t *code; | |
649 | 1598 ngx_str_t *header; |
1599 ngx_uint_t i, j; | |
1600 ngx_array_t hide_headers; | |
1601 ngx_keyval_t *src; | |
1602 ngx_hash_key_t *hk; | |
1603 ngx_hash_init_t hash; | |
509 | 1604 ngx_http_script_compile_t sc; |
1605 ngx_http_script_copy_code_t *copy; | |
479 | 1606 |
581 | 1607 ngx_conf_merge_value(conf->upstream.buffering, |
1608 prev->upstream.buffering, 1); | |
1609 | |
629 | 1610 ngx_conf_merge_value(conf->upstream.ignore_client_abort, |
1611 prev->upstream.ignore_client_abort, 0); | |
1612 | |
479 | 1613 ngx_conf_merge_msec_value(conf->upstream.connect_timeout, |
1614 prev->upstream.connect_timeout, 60000); | |
507 | 1615 |
479 | 1616 ngx_conf_merge_msec_value(conf->upstream.send_timeout, |
1617 prev->upstream.send_timeout, 60000); | |
1618 | |
1619 ngx_conf_merge_msec_value(conf->upstream.read_timeout, | |
1620 prev->upstream.read_timeout, 60000); | |
1621 | |
507 | 1622 ngx_conf_merge_size_value(conf->upstream.send_lowat, |
1623 prev->upstream.send_lowat, 0); | |
479 | 1624 |
581 | 1625 ngx_conf_merge_size_value(conf->upstream.buffer_size, |
1626 prev->upstream.buffer_size, | |
479 | 1627 (size_t) ngx_pagesize); |
1628 | |
507 | 1629 |
479 | 1630 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs, |
1631 8, ngx_pagesize); | |
1632 | |
1633 if (conf->upstream.bufs.num < 2) { | |
1634 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1635 "there must be at least 2 \"fastcgi_buffers\""); | |
1636 return NGX_CONF_ERROR; | |
1637 } | |
1638 | |
1639 | |
581 | 1640 size = conf->upstream.buffer_size; |
479 | 1641 if (size < conf->upstream.bufs.size) { |
1642 size = conf->upstream.bufs.size; | |
1643 } | |
1644 | |
1645 | |
529 | 1646 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf, |
1647 prev->upstream.busy_buffers_size_conf, | |
479 | 1648 NGX_CONF_UNSET_SIZE); |
1649 | |
529 | 1650 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) { |
479 | 1651 conf->upstream.busy_buffers_size = 2 * size; |
529 | 1652 } else { |
1653 conf->upstream.busy_buffers_size = | |
1654 conf->upstream.busy_buffers_size_conf; | |
1655 } | |
479 | 1656 |
529 | 1657 if (conf->upstream.busy_buffers_size < size) { |
479 | 1658 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
1659 "\"fastcgi_busy_buffers_size\" must be equal or bigger than " | |
1125
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Igor Sysoev <igor@sysoev.ru>
parents:
1097
diff
changeset
|
1660 "maximum of the value of \"fastcgi_buffer_size\" and " |
479 | 1661 "one of the \"fastcgi_buffers\""); |
1662 | |
1663 return NGX_CONF_ERROR; | |
529 | 1664 } |
479 | 1665 |
529 | 1666 if (conf->upstream.busy_buffers_size |
1667 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size) | |
479 | 1668 { |
1669 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1670 "\"fastcgi_busy_buffers_size\" must be less than " | |
1671 "the size of all \"fastcgi_buffers\" minus one buffer"); | |
1672 | |
1673 return NGX_CONF_ERROR; | |
1674 } | |
1675 | |
1676 | |
529 | 1677 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf, |
1678 prev->upstream.temp_file_write_size_conf, | |
479 | 1679 NGX_CONF_UNSET_SIZE); |
1680 | |
529 | 1681 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) { |
479 | 1682 conf->upstream.temp_file_write_size = 2 * size; |
529 | 1683 } else { |
1684 conf->upstream.temp_file_write_size = | |
1685 conf->upstream.temp_file_write_size_conf; | |
1686 } | |
479 | 1687 |
529 | 1688 if (conf->upstream.temp_file_write_size < size) { |
479 | 1689 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
1690 "\"fastcgi_temp_file_write_size\" must be equal or bigger than " | |
1125
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use the contemporary directives
Igor Sysoev <igor@sysoev.ru>
parents:
1097
diff
changeset
|
1691 "maximum of the value of \"fastcgi_buffer_size\" and " |
479 | 1692 "one of the \"fastcgi_buffers\""); |
1693 | |
1694 return NGX_CONF_ERROR; | |
1695 } | |
1696 | |
1697 | |
529 | 1698 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf, |
1699 prev->upstream.max_temp_file_size_conf, | |
479 | 1700 NGX_CONF_UNSET_SIZE); |
1701 | |
529 | 1702 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) { |
479 | 1703 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024; |
529 | 1704 } else { |
1705 conf->upstream.max_temp_file_size = | |
1706 conf->upstream.max_temp_file_size_conf; | |
1707 } | |
479 | 1708 |
529 | 1709 if (conf->upstream.max_temp_file_size != 0 |
1710 && conf->upstream.max_temp_file_size < size) | |
479 | 1711 { |
1712 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1713 "\"fastcgi_max_temp_file_size\" must be equal to zero to disable " | |
1714 "the temporary files usage or must be equal or bigger than " | |
1125
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Igor Sysoev <igor@sysoev.ru>
parents:
1097
diff
changeset
|
1715 "maximum of the value of \"fastcgi_buffer_size\" and " |
479 | 1716 "one of the \"fastcgi_buffers\""); |
1717 | |
1718 return NGX_CONF_ERROR; | |
1719 } | |
1720 | |
1721 | |
1722 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream, | |
487 | 1723 prev->upstream.next_upstream, |
1724 (NGX_CONF_BITMASK_SET | |
1725 |NGX_HTTP_UPSTREAM_FT_ERROR | |
1726 |NGX_HTTP_UPSTREAM_FT_TIMEOUT)); | |
479 | 1727 |
665 | 1728 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) { |
1729 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET | |
1730 |NGX_HTTP_UPSTREAM_FT_OFF; | |
1731 } | |
1732 | |
479 | 1733 ngx_conf_merge_path_value(conf->upstream.temp_path, |
1734 prev->upstream.temp_path, | |
1735 NGX_HTTP_FASTCGI_TEMP_PATH, 1, 2, 0, | |
1736 ngx_garbage_collector_temp_handler, cf); | |
1737 | |
509 | 1738 ngx_conf_merge_value(conf->upstream.pass_request_headers, |
1739 prev->upstream.pass_request_headers, 1); | |
1740 ngx_conf_merge_value(conf->upstream.pass_request_body, | |
1741 prev->upstream.pass_request_body, 1); | |
1742 | |
657 | 1743 ngx_conf_merge_value(conf->upstream.intercept_errors, |
1744 prev->upstream.intercept_errors, 0); | |
509 | 1745 |
1228 | 1746 ngx_conf_merge_ptr_value(conf->catch_stderr, prev->catch_stderr, NULL); |
1747 | |
507 | 1748 |
479 | 1749 ngx_conf_merge_str_value(conf->index, prev->index, ""); |
1750 | |
649 | 1751 if (conf->upstream.hide_headers == NULL |
1752 && conf->upstream.pass_headers == NULL) | |
1753 { | |
1754 conf->upstream.hide_headers = prev->upstream.hide_headers; | |
1755 conf->upstream.pass_headers = prev->upstream.pass_headers; | |
1756 conf->upstream.hide_headers_hash = prev->upstream.hide_headers_hash; | |
1757 | |
1758 if (conf->upstream.hide_headers_hash.buckets) { | |
1759 goto peers; | |
1760 } | |
1761 | |
1762 } else { | |
1763 if (conf->upstream.hide_headers == NULL) { | |
1764 conf->upstream.hide_headers = prev->upstream.hide_headers; | |
1765 } | |
1766 | |
1767 if (conf->upstream.pass_headers == NULL) { | |
1768 conf->upstream.pass_headers = prev->upstream.pass_headers; | |
1769 } | |
1770 } | |
1771 | |
1772 if (ngx_array_init(&hide_headers, cf->temp_pool, 4, sizeof(ngx_hash_key_t)) | |
1773 != NGX_OK) | |
1774 { | |
1775 return NGX_CONF_ERROR; | |
1776 } | |
1777 | |
1778 for (header = ngx_http_fastcgi_hide_headers; header->len; header++) { | |
1779 hk = ngx_array_push(&hide_headers); | |
1780 if (hk == NULL) { | |
1781 return NGX_CONF_ERROR; | |
1782 } | |
1783 | |
1784 hk->key = *header; | |
1785 hk->key_hash = ngx_hash_key_lc(header->data, header->len); | |
1786 hk->value = (void *) 1; | |
1787 } | |
1788 | |
1789 if (conf->upstream.hide_headers) { | |
1790 | |
1791 header = conf->upstream.hide_headers->elts; | |
1792 | |
1793 for (i = 0; i < conf->upstream.hide_headers->nelts; i++) { | |
1794 | |
1795 hk = hide_headers.elts; | |
1796 | |
1797 for (j = 0; j < hide_headers.nelts; j++) { | |
1798 if (ngx_strcasecmp(header[i].data, hk[j].key.data) == 0) { | |
1799 goto exist; | |
1800 } | |
1801 } | |
1802 | |
1803 hk = ngx_array_push(&hide_headers); | |
1804 if (hk == NULL) { | |
1805 return NGX_CONF_ERROR; | |
1806 } | |
1807 | |
1808 hk->key = header[i]; | |
1809 hk->key_hash = ngx_hash_key_lc(header[i].data, header[i].len); | |
1810 hk->value = (void *) 1; | |
1811 | |
1812 exist: | |
1813 | |
1814 continue; | |
1815 } | |
1816 } | |
1817 | |
1818 if (conf->upstream.pass_headers) { | |
1819 | |
1820 hk = hide_headers.elts; | |
1821 header = conf->upstream.pass_headers->elts; | |
1822 | |
1823 for (i = 0; i < conf->upstream.pass_headers->nelts; i++) { | |
1824 | |
1825 for (j = 0; j < hide_headers.nelts; j++) { | |
1826 | |
1827 if (hk[j].key.data == NULL) { | |
1828 continue; | |
1829 } | |
1830 | |
1831 if (ngx_strcasecmp(header[i].data, hk[j].key.data) == 0) { | |
1832 hk[j].key.data = NULL; | |
1833 break; | |
1834 } | |
1835 } | |
1836 } | |
1837 } | |
1838 | |
1839 hash.hash = &conf->upstream.hide_headers_hash; | |
1840 hash.key = ngx_hash_key_lc; | |
1841 hash.max_size = 512; | |
751
bae59a740c40
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Igor Sysoev <igor@sysoev.ru>
parents:
750
diff
changeset
|
1842 hash.bucket_size = ngx_align(64, ngx_cacheline_size); |
649 | 1843 hash.name = "fastcgi_hide_headers_hash"; |
1844 hash.pool = cf->pool; | |
1845 hash.temp_pool = NULL; | |
1846 | |
1847 if (ngx_hash_init(&hash, hide_headers.elts, hide_headers.nelts) != NGX_OK) { | |
1848 return NGX_CONF_ERROR; | |
1849 } | |
1850 | |
1851 peers: | |
1852 | |
884 | 1853 if (conf->upstream.upstream == NULL) { |
1854 conf->upstream.upstream = prev->upstream.upstream; | |
629 | 1855 conf->upstream.schema = prev->upstream.schema; |
507 | 1856 } |
1857 | |
509 | 1858 if (conf->params_source == NULL) { |
573 | 1859 conf->flushes = prev->flushes; |
509 | 1860 conf->params_len = prev->params_len; |
1861 conf->params = prev->params; | |
573 | 1862 conf->params_source = prev->params_source; |
509 | 1863 |
1864 if (conf->params_source == NULL) { | |
1865 return NGX_CONF_OK; | |
1866 } | |
1867 } | |
1868 | |
1869 conf->params_len = ngx_array_create(cf->pool, 64, 1); | |
1870 if (conf->params_len == NULL) { | |
1871 return NGX_CONF_ERROR; | |
1872 } | |
573 | 1873 |
509 | 1874 conf->params = ngx_array_create(cf->pool, 512, 1); |
1875 if (conf->params == NULL) { | |
1876 return NGX_CONF_ERROR; | |
1877 } | |
1878 | |
1879 src = conf->params_source->elts; | |
1880 for (i = 0; i < conf->params_source->nelts; i++) { | |
1881 | |
1882 if (ngx_http_script_variables_count(&src[i].value) == 0) { | |
1883 copy = ngx_array_push_n(conf->params_len, | |
1884 sizeof(ngx_http_script_copy_code_t)); | |
1885 if (copy == NULL) { | |
1886 return NGX_CONF_ERROR; | |
1887 } | |
1888 | |
1889 copy->code = (ngx_http_script_code_pt) | |
1890 ngx_http_script_copy_len_code; | |
1891 copy->len = src[i].key.len; | |
1892 | |
1893 | |
1894 copy = ngx_array_push_n(conf->params_len, | |
1895 sizeof(ngx_http_script_copy_code_t)); | |
1896 if (copy == NULL) { | |
1897 return NGX_CONF_ERROR; | |
1898 } | |
1899 | |
1900 copy->code = (ngx_http_script_code_pt) | |
1901 ngx_http_script_copy_len_code; | |
1902 copy->len = src[i].value.len; | |
1903 | |
1904 | |
1905 size = (sizeof(ngx_http_script_copy_code_t) | |
1906 + src[i].key.len + src[i].value.len | |
1907 + sizeof(uintptr_t) - 1) | |
1908 & ~(sizeof(uintptr_t) - 1); | |
1909 | |
1910 copy = ngx_array_push_n(conf->params, size); | |
1911 if (copy == NULL) { | |
1912 return NGX_CONF_ERROR; | |
1913 } | |
577 | 1914 |
509 | 1915 copy->code = ngx_http_script_copy_code; |
1916 copy->len = src[i].key.len + src[i].value.len; | |
1917 | |
1918 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); | |
1919 | |
1920 p = ngx_cpymem(p, src[i].key.data, src[i].key.len); | |
1921 ngx_memcpy(p, src[i].value.data, src[i].value.len); | |
1922 | |
1923 } else { | |
1924 copy = ngx_array_push_n(conf->params_len, | |
1925 sizeof(ngx_http_script_copy_code_t)); | |
1926 if (copy == NULL) { | |
1927 return NGX_CONF_ERROR; | |
1928 } | |
1929 | |
1930 copy->code = (ngx_http_script_code_pt) | |
1931 ngx_http_script_copy_len_code; | |
1932 copy->len = src[i].key.len; | |
1933 | |
1934 | |
1935 size = (sizeof(ngx_http_script_copy_code_t) | |
1936 + src[i].key.len + sizeof(uintptr_t) - 1) | |
1937 & ~(sizeof(uintptr_t) - 1); | |
1938 | |
1939 copy = ngx_array_push_n(conf->params, size); | |
1940 if (copy == NULL) { | |
1941 return NGX_CONF_ERROR; | |
1942 } | |
577 | 1943 |
509 | 1944 copy->code = ngx_http_script_copy_code; |
1945 copy->len = src[i].key.len; | |
1946 | |
1947 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); | |
1948 ngx_memcpy(p, src[i].key.data, src[i].key.len); | |
1949 | |
1950 | |
1951 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
1952 | |
1953 sc.cf = cf; | |
1954 sc.source = &src[i].value; | |
573 | 1955 sc.flushes = &conf->flushes; |
509 | 1956 sc.lengths = &conf->params_len; |
1957 sc.values = &conf->params; | |
1958 | |
1959 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
1960 return NGX_CONF_ERROR; | |
1961 } | |
1962 } | |
1963 | |
1964 code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t)); | |
1965 if (code == NULL) { | |
1966 return NGX_CONF_ERROR; | |
1967 } | |
1968 | |
1969 *code = (uintptr_t) NULL; | |
1970 | |
1971 | |
1972 code = ngx_array_push_n(conf->params, sizeof(uintptr_t)); | |
1973 if (code == NULL) { | |
1974 return NGX_CONF_ERROR; | |
1975 } | |
1976 | |
1977 *code = (uintptr_t) NULL; | |
1978 } | |
1979 | |
1980 code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t)); | |
1981 if (code == NULL) { | |
1982 return NGX_CONF_ERROR; | |
1983 } | |
1984 | |
1985 *code = (uintptr_t) NULL; | |
1986 | |
479 | 1987 return NGX_CONF_OK; |
1988 } | |
509 | 1989 |
1990 | |
573 | 1991 static ngx_int_t |
1992 ngx_http_fastcgi_script_name_variable(ngx_http_request_t *r, | |
1993 ngx_http_variable_value_t *v, uintptr_t data) | |
509 | 1994 { |
1995 u_char *p; | |
1996 ngx_http_fastcgi_loc_conf_t *flcf; | |
1997 | |
1097
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1998 if (r->uri.len) { |
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1999 v->valid = 1; |
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2000 v->no_cachable = 0; |
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2001 v->not_found = 0; |
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2002 |
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|
2003 flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module); |
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|
2004 |
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|
2005 if (r->uri.data[r->uri.len - 1] != '/') { |
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|
2006 v->len = r->uri.len; |
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2007 v->data = r->uri.data; |
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|
2008 return NGX_OK; |
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|
2009 } |
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diff
changeset
|
2010 |
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changeset
|
2011 v->len = r->uri.len + flcf->index.len; |
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|
2012 |
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changeset
|
2013 v->data = ngx_palloc(r->pool, v->len); |
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changeset
|
2014 if (v->data == NULL) { |
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|
2015 return NGX_ERROR; |
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diff
changeset
|
2016 } |
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changeset
|
2017 |
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parents:
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changeset
|
2018 p = ngx_copy(v->data, r->uri.data, r->uri.len); |
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|
2019 ngx_memcpy(p, flcf->index.data, flcf->index.len); |
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diff
changeset
|
2020 |
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parents:
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diff
changeset
|
2021 } else { |
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changeset
|
2022 v->len = 0; |
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parents:
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diff
changeset
|
2023 v->valid = 1; |
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diff
changeset
|
2024 v->no_cachable = 0; |
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2025 v->not_found = 0; |
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|
2026 v->data = NULL; |
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|
2027 |
573 | 2028 return NGX_OK; |
509 | 2029 } |
2030 | |
573 | 2031 return NGX_OK; |
509 | 2032 } |
2033 | |
2034 | |
2035 static char * | |
2036 ngx_http_fastcgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
2037 { | |
2038 ngx_http_fastcgi_loc_conf_t *lcf = conf; | |
2039 | |
651 | 2040 ngx_url_t u; |
509 | 2041 ngx_str_t *value; |
2042 ngx_http_core_loc_conf_t *clcf; | |
2043 | |
555 | 2044 if (lcf->upstream.schema.len) { |
2045 return "is duplicate"; | |
2046 } | |
2047 | |
509 | 2048 value = cf->args->elts; |
2049 | |
651 | 2050 ngx_memzero(&u, sizeof(ngx_url_t)); |
2051 | |
2052 u.url = value[1]; | |
884 | 2053 u.no_resolve = 1; |
2054 | |
2055 lcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0); | |
2056 if (lcf->upstream.upstream == NULL) { | |
509 | 2057 return NGX_CONF_ERROR; |
2058 } | |
2059 | |
2060 lcf->upstream.schema.len = sizeof("fastcgi://") - 1; | |
2061 lcf->upstream.schema.data = (u_char *) "fastcgi://"; | |
2062 | |
2063 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
2064 | |
2065 clcf->handler = ngx_http_fastcgi_handler; | |
2066 | |
573 | 2067 lcf->upstream.location = clcf->name; |
509 | 2068 |
2069 if (clcf->name.data[clcf->name.len - 1] == '/') { | |
2070 clcf->auto_redirect = 1; | |
2071 } | |
2072 | |
2073 return NGX_CONF_OK; | |
2074 } | |
2075 | |
2076 | |
2077 static char * | |
2078 ngx_http_fastcgi_lowat_check(ngx_conf_t *cf, void *post, void *data) | |
2079 { | |
2080 #if (NGX_FREEBSD) | |
2081 ssize_t *np = data; | |
2082 | |
673 | 2083 if ((u_long) *np >= ngx_freebsd_net_inet_tcp_sendspace) { |
509 | 2084 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
2085 "\"fastcgi_send_lowat\" must be less than %d " | |
2086 "(sysctl net.inet.tcp.sendspace)", | |
2087 ngx_freebsd_net_inet_tcp_sendspace); | |
2088 | |
2089 return NGX_CONF_ERROR; | |
2090 } | |
2091 | |
2092 #elif !(NGX_HAVE_SO_SNDLOWAT) | |
2093 ssize_t *np = data; | |
2094 | |
2095 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, | |
2096 "\"fastcgi_send_lowat\" is not supported, ignored"); | |
2097 | |
2098 *np = 0; | |
2099 | |
2100 #endif | |
2101 | |
2102 return NGX_CONF_OK; | |
2103 } | |
884 | 2104 |
2105 | |
2106 static char * | |
2107 ngx_http_fastcgi_upstream_max_fails_unsupported(ngx_conf_t *cf, | |
2108 ngx_command_t *cmd, void *conf) | |
2109 { | |
2110 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
2111 "\"fastcgi_upstream_max_fails\" is not supported, " | |
2112 "use the \"max_fails\" parameter of the \"server\" directive ", | |
2113 "inside the \"upstream\" block"); | |
2114 | |
2115 return NGX_CONF_ERROR; | |
2116 } | |
2117 | |
2118 | |
2119 static char * | |
2120 ngx_http_fastcgi_upstream_fail_timeout_unsupported(ngx_conf_t *cf, | |
2121 ngx_command_t *cmd, void *conf) | |
2122 { | |
2123 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
2124 "\"fastcgi_upstream_fail_timeout\" is not supported, " | |
2125 "use the \"fail_timeout\" parameter of the \"server\" directive ", | |
2126 "inside the \"upstream\" block"); | |
2127 | |
2128 return NGX_CONF_ERROR; | |
2129 } |