Mercurial > hg > nginx
annotate src/http/modules/ngx_http_scgi_module.c @ 3692:045ea40cbfe8
use ngx_http_test_predicates(), ngx_http_set_predicate_slot()
delete ngx_http_cache(), ngx_http_no_cache_set_slot()
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Wed, 14 Jul 2010 11:15:45 +0000 |
parents | 2728c4e4a9ae |
children | e3bcc2f4c418 |
rev | line source |
---|---|
3637 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 * Copyright (C) Manlio Perillo (manlio.perillo@gmail.com) | |
5 */ | |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_http.h> | |
11 | |
12 | |
13 typedef struct { | |
14 ngx_http_upstream_conf_t upstream; | |
15 | |
16 ngx_array_t *flushes; | |
17 ngx_array_t *params_len; | |
18 ngx_array_t *params; | |
19 ngx_array_t *params_source; | |
20 | |
21 ngx_hash_t headers_hash; | |
22 ngx_uint_t header_params; | |
23 | |
24 ngx_array_t *scgi_lengths; | |
25 ngx_array_t *scgi_values; | |
26 | |
27 #if (NGX_HTTP_CACHE) | |
28 ngx_http_complex_value_t cache_key; | |
29 #endif | |
30 } ngx_http_scgi_loc_conf_t; | |
31 | |
32 | |
33 static ngx_int_t ngx_http_scgi_eval(ngx_http_request_t *r, | |
34 ngx_http_scgi_loc_conf_t *scf); | |
35 static ngx_int_t ngx_http_scgi_create_request(ngx_http_request_t *r); | |
36 static ngx_int_t ngx_http_scgi_reinit_request(ngx_http_request_t *r); | |
37 static ngx_int_t ngx_http_scgi_process_status_line(ngx_http_request_t *r); | |
38 static ngx_int_t ngx_http_scgi_process_header(ngx_http_request_t *r); | |
39 static ngx_int_t ngx_http_scgi_process_header(ngx_http_request_t *r); | |
40 static void ngx_http_scgi_abort_request(ngx_http_request_t *r); | |
41 static void ngx_http_scgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc); | |
42 | |
43 static void *ngx_http_scgi_create_loc_conf(ngx_conf_t *cf); | |
44 static char *ngx_http_scgi_merge_loc_conf(ngx_conf_t *cf, void *parent, | |
45 void *child); | |
46 | |
47 static char *ngx_http_scgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
48 static char *ngx_http_scgi_store(ngx_conf_t *cf, ngx_command_t *cmd, | |
49 void *conf); | |
50 | |
51 #if (NGX_HTTP_CACHE) | |
52 static ngx_int_t ngx_http_scgi_create_key(ngx_http_request_t *r); | |
53 static char *ngx_http_scgi_cache(ngx_conf_t *cf, ngx_command_t *cmd, | |
54 void *conf); | |
55 static char *ngx_http_scgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, | |
56 void *conf); | |
57 #endif | |
58 | |
59 | |
60 static ngx_conf_bitmask_t ngx_http_scgi_next_upstream_masks[] = { | |
61 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR }, | |
62 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT }, | |
63 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER }, | |
64 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 }, | |
65 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 }, | |
66 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 }, | |
67 { ngx_string("updating"), NGX_HTTP_UPSTREAM_FT_UPDATING }, | |
68 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF }, | |
69 { ngx_null_string, 0 } | |
70 }; | |
71 | |
72 | |
73 ngx_module_t ngx_http_scgi_module; | |
74 | |
75 | |
76 static ngx_command_t ngx_http_scgi_commands[] = { | |
77 | |
78 { ngx_string("scgi_pass"), | |
79 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, | |
80 ngx_http_scgi_pass, | |
81 NGX_HTTP_LOC_CONF_OFFSET, | |
82 0, | |
83 NULL }, | |
84 | |
85 { ngx_string("scgi_store"), | |
86 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
87 ngx_http_scgi_store, | |
88 NGX_HTTP_LOC_CONF_OFFSET, | |
89 0, | |
90 NULL }, | |
91 | |
92 { ngx_string("scgi_store_access"), | |
93 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123, | |
94 ngx_conf_set_access_slot, | |
95 NGX_HTTP_LOC_CONF_OFFSET, | |
96 offsetof(ngx_http_scgi_loc_conf_t, upstream.store_access), | |
97 NULL }, | |
98 | |
99 { ngx_string("scgi_ignore_client_abort"), | |
100 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
101 ngx_conf_set_flag_slot, | |
102 NGX_HTTP_LOC_CONF_OFFSET, | |
103 offsetof(ngx_http_scgi_loc_conf_t, upstream.ignore_client_abort), | |
104 NULL }, | |
105 | |
106 { ngx_string("scgi_bind"), | |
107 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
108 ngx_http_upstream_bind_set_slot, | |
109 NGX_HTTP_LOC_CONF_OFFSET, | |
110 offsetof(ngx_http_scgi_loc_conf_t, upstream.local), | |
111 NULL }, | |
112 | |
113 { ngx_string("scgi_connect_timeout"), | |
114 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
115 ngx_conf_set_msec_slot, | |
116 NGX_HTTP_LOC_CONF_OFFSET, | |
117 offsetof(ngx_http_scgi_loc_conf_t, upstream.connect_timeout), | |
118 NULL }, | |
119 | |
120 { ngx_string("scgi_send_timeout"), | |
121 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
122 ngx_conf_set_msec_slot, | |
123 NGX_HTTP_LOC_CONF_OFFSET, | |
124 offsetof(ngx_http_scgi_loc_conf_t, upstream.send_timeout), | |
125 NULL }, | |
126 | |
127 { ngx_string("scgi_buffer_size"), | |
128 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
129 ngx_conf_set_size_slot, | |
130 NGX_HTTP_LOC_CONF_OFFSET, | |
131 offsetof(ngx_http_scgi_loc_conf_t, upstream.buffer_size), | |
132 NULL }, | |
133 | |
134 { ngx_string("scgi_pass_request_headers"), | |
135 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
136 ngx_conf_set_flag_slot, | |
137 NGX_HTTP_LOC_CONF_OFFSET, | |
138 offsetof(ngx_http_scgi_loc_conf_t, upstream.pass_request_headers), | |
139 NULL }, | |
140 | |
141 { ngx_string("scgi_pass_request_body"), | |
142 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
143 ngx_conf_set_flag_slot, | |
144 NGX_HTTP_LOC_CONF_OFFSET, | |
145 offsetof(ngx_http_scgi_loc_conf_t, upstream.pass_request_body), | |
146 NULL }, | |
147 | |
148 { ngx_string("scgi_intercept_errors"), | |
149 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
150 ngx_conf_set_flag_slot, | |
151 NGX_HTTP_LOC_CONF_OFFSET, | |
152 offsetof(ngx_http_scgi_loc_conf_t, upstream.intercept_errors), | |
153 NULL }, | |
154 | |
155 { ngx_string("scgi_read_timeout"), | |
156 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
157 ngx_conf_set_msec_slot, | |
158 NGX_HTTP_LOC_CONF_OFFSET, | |
159 offsetof(ngx_http_scgi_loc_conf_t, upstream.read_timeout), | |
160 NULL }, | |
161 | |
162 { ngx_string("scgi_buffers"), | |
163 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, | |
164 ngx_conf_set_bufs_slot, | |
165 NGX_HTTP_LOC_CONF_OFFSET, | |
166 offsetof(ngx_http_scgi_loc_conf_t, upstream.bufs), | |
167 NULL }, | |
168 | |
169 { ngx_string("scgi_busy_buffers_size"), | |
170 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
171 ngx_conf_set_size_slot, | |
172 NGX_HTTP_LOC_CONF_OFFSET, | |
173 offsetof(ngx_http_scgi_loc_conf_t, upstream.busy_buffers_size_conf), | |
174 NULL }, | |
175 | |
176 #if (NGX_HTTP_CACHE) | |
177 | |
178 { ngx_string("scgi_cache"), | |
179 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
180 ngx_http_scgi_cache, | |
181 NGX_HTTP_LOC_CONF_OFFSET, | |
182 0, | |
183 NULL }, | |
184 | |
185 { ngx_string("scgi_cache_key"), | |
186 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
187 ngx_http_scgi_cache_key, | |
188 NGX_HTTP_LOC_CONF_OFFSET, | |
189 0, | |
190 NULL }, | |
191 | |
192 { ngx_string("scgi_cache_path"), | |
193 NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE, | |
194 ngx_http_file_cache_set_slot, | |
195 0, | |
196 0, | |
197 &ngx_http_scgi_module }, | |
198 | |
199 { ngx_string("scgi_no_cache"), | |
200 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
3692
045ea40cbfe8
use ngx_http_test_predicates(), ngx_http_set_predicate_slot()
Igor Sysoev <igor@sysoev.ru>
parents:
3670
diff
changeset
|
201 ngx_http_set_predicate_slot, |
3637 | 202 NGX_HTTP_LOC_CONF_OFFSET, |
203 offsetof(ngx_http_scgi_loc_conf_t, upstream.no_cache), | |
204 NULL }, | |
205 | |
206 { ngx_string("scgi_cache_valid"), | |
207 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
208 ngx_http_file_cache_valid_set_slot, | |
209 NGX_HTTP_LOC_CONF_OFFSET, | |
210 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_valid), | |
211 NULL }, | |
212 | |
213 { ngx_string("scgi_cache_min_uses"), | |
214 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
215 ngx_conf_set_num_slot, | |
216 NGX_HTTP_LOC_CONF_OFFSET, | |
217 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_min_uses), | |
218 NULL }, | |
219 | |
220 { ngx_string("scgi_cache_use_stale"), | |
221 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
222 ngx_conf_set_bitmask_slot, | |
223 NGX_HTTP_LOC_CONF_OFFSET, | |
224 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_use_stale), | |
225 &ngx_http_scgi_next_upstream_masks }, | |
226 | |
227 { ngx_string("scgi_cache_methods"), | |
228 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
229 ngx_conf_set_bitmask_slot, | |
230 NGX_HTTP_LOC_CONF_OFFSET, | |
231 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_methods), | |
232 &ngx_http_upstream_cache_method_mask }, | |
233 | |
234 #endif | |
235 | |
236 { ngx_string("scgi_temp_path"), | |
237 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234, | |
238 ngx_conf_set_path_slot, | |
239 NGX_HTTP_LOC_CONF_OFFSET, | |
240 offsetof(ngx_http_scgi_loc_conf_t, upstream.temp_path), | |
241 NULL }, | |
242 | |
243 { ngx_string("scgi_max_temp_file_size"), | |
244 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
245 ngx_conf_set_size_slot, | |
246 NGX_HTTP_LOC_CONF_OFFSET, | |
247 offsetof(ngx_http_scgi_loc_conf_t, upstream.max_temp_file_size_conf), | |
248 NULL }, | |
249 | |
250 { ngx_string("scgi_temp_file_write_size"), | |
251 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
252 ngx_conf_set_size_slot, | |
253 NGX_HTTP_LOC_CONF_OFFSET, | |
254 offsetof(ngx_http_scgi_loc_conf_t, upstream.temp_file_write_size_conf), | |
255 NULL }, | |
256 | |
257 { ngx_string("scgi_next_upstream"), | |
258 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
259 ngx_conf_set_bitmask_slot, | |
260 NGX_HTTP_LOC_CONF_OFFSET, | |
261 offsetof(ngx_http_scgi_loc_conf_t, upstream.next_upstream), | |
262 &ngx_http_scgi_next_upstream_masks }, | |
263 | |
264 { ngx_string("scgi_param"), | |
265 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, | |
266 ngx_conf_set_keyval_slot, | |
267 NGX_HTTP_LOC_CONF_OFFSET, | |
268 offsetof(ngx_http_scgi_loc_conf_t, params_source), | |
269 NULL }, | |
270 | |
271 { ngx_string("scgi_pass_header"), | |
272 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
273 ngx_conf_set_str_array_slot, | |
274 NGX_HTTP_LOC_CONF_OFFSET, | |
275 offsetof(ngx_http_scgi_loc_conf_t, upstream.pass_headers), | |
276 NULL }, | |
277 | |
278 { ngx_string("scgi_hide_header"), | |
279 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
280 ngx_conf_set_str_array_slot, | |
281 NGX_HTTP_LOC_CONF_OFFSET, | |
282 offsetof(ngx_http_scgi_loc_conf_t, upstream.hide_headers), | |
283 NULL }, | |
284 | |
285 { ngx_string("scgi_ignore_headers"), | |
286 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
287 ngx_conf_set_bitmask_slot, | |
288 NGX_HTTP_LOC_CONF_OFFSET, | |
289 offsetof(ngx_http_scgi_loc_conf_t, upstream.ignore_headers), | |
3667
12bd9e26fadb
use shared ngx_http_upstream_ignore_headers_masks[]
Igor Sysoev <igor@sysoev.ru>
parents:
3637
diff
changeset
|
290 &ngx_http_upstream_ignore_headers_masks }, |
3637 | 291 |
292 ngx_null_command | |
293 }; | |
294 | |
295 | |
296 static ngx_http_module_t ngx_http_scgi_module_ctx = { | |
297 NULL, /* preconfiguration */ | |
298 NULL, /* postconfiguration */ | |
299 | |
300 NULL, /* create main configuration */ | |
301 NULL, /* init main configuration */ | |
302 | |
303 NULL, /* create server configuration */ | |
304 NULL, /* merge server configuration */ | |
305 | |
306 ngx_http_scgi_create_loc_conf, /* create location configuration */ | |
307 ngx_http_scgi_merge_loc_conf /* merge location configuration */ | |
308 }; | |
309 | |
310 | |
311 ngx_module_t ngx_http_scgi_module = { | |
312 NGX_MODULE_V1, | |
313 &ngx_http_scgi_module_ctx, /* module context */ | |
314 ngx_http_scgi_commands, /* module directives */ | |
315 NGX_HTTP_MODULE, /* module type */ | |
316 NULL, /* init master */ | |
317 NULL, /* init module */ | |
318 NULL, /* init process */ | |
319 NULL, /* init thread */ | |
320 NULL, /* exit thread */ | |
321 NULL, /* exit process */ | |
322 NULL, /* exit master */ | |
323 NGX_MODULE_V1_PADDING | |
324 }; | |
325 | |
326 | |
327 static ngx_str_t ngx_http_scgi_hide_headers[] = { | |
328 ngx_string("Status"), | |
329 ngx_string("X-Accel-Expires"), | |
330 ngx_string("X-Accel-Redirect"), | |
331 ngx_string("X-Accel-Limit-Rate"), | |
332 ngx_string("X-Accel-Buffering"), | |
333 ngx_string("X-Accel-Charset"), | |
334 ngx_null_string | |
335 }; | |
336 | |
337 | |
338 #if (NGX_HTTP_CACHE) | |
339 | |
340 static ngx_keyval_t ngx_http_scgi_cache_headers[] = { | |
341 { ngx_string("HTTP_IF_MODIFIED_SINCE"), ngx_string("") }, | |
342 { ngx_string("HTTP_IF_UNMODIFIED_SINCE"), ngx_string("") }, | |
343 { ngx_string("HTTP_IF_NONE_MATCH"), ngx_string("") }, | |
344 { ngx_string("HTTP_IF_MATCH"), ngx_string("") }, | |
345 { ngx_string("HTTP_RANGE"), ngx_string("") }, | |
346 { ngx_string("HTTP_IF_RANGE"), ngx_string("") }, | |
347 { ngx_null_string, ngx_null_string } | |
348 }; | |
349 | |
350 #endif | |
351 | |
352 | |
353 static ngx_path_init_t ngx_http_scgi_temp_path = { | |
354 ngx_string(NGX_HTTP_SCGI_TEMP_PATH), { 1, 2, 0 } | |
355 }; | |
356 | |
357 | |
358 static ngx_int_t | |
359 ngx_http_scgi_handler(ngx_http_request_t *r) | |
360 { | |
361 ngx_int_t rc; | |
362 ngx_http_status_t *status; | |
363 ngx_http_upstream_t *u; | |
364 ngx_http_scgi_loc_conf_t *scf; | |
365 | |
366 if (r->subrequest_in_memory) { | |
367 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
368 "ngx_http_scgi_module does not support " | |
369 "subrequests in memory"); | |
370 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
371 } | |
372 | |
373 if (ngx_http_upstream_create(r) != NGX_OK) { | |
374 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
375 } | |
376 | |
377 status = ngx_pcalloc(r->pool, sizeof(ngx_http_status_t)); | |
378 if (status == NULL) { | |
379 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
380 } | |
381 | |
382 ngx_http_set_ctx(r, status, ngx_http_scgi_module); | |
383 | |
384 scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module); | |
385 | |
386 if (scf->scgi_lengths) { | |
387 if (ngx_http_scgi_eval(r, scf) != NGX_OK) { | |
388 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
389 } | |
390 } | |
391 | |
392 u = r->upstream; | |
393 | |
394 ngx_str_set(&u->schema, "scgi://"); | |
395 u->output.tag = (ngx_buf_tag_t) &ngx_http_scgi_module; | |
396 | |
397 u->conf = &scf->upstream; | |
398 | |
399 #if (NGX_HTTP_CACHE) | |
400 u->create_key = ngx_http_scgi_create_key; | |
401 #endif | |
402 u->create_request = ngx_http_scgi_create_request; | |
403 u->reinit_request = ngx_http_scgi_reinit_request; | |
404 u->process_header = ngx_http_scgi_process_status_line; | |
405 u->abort_request = ngx_http_scgi_abort_request; | |
406 u->finalize_request = ngx_http_scgi_finalize_request; | |
407 | |
408 u->buffering = 1; | |
409 | |
410 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t)); | |
411 if (u->pipe == NULL) { | |
412 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
413 } | |
414 | |
415 u->pipe->input_filter = ngx_event_pipe_copy_input_filter; | |
416 u->pipe->input_ctx = r; | |
417 | |
418 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init); | |
419 | |
420 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { | |
421 return rc; | |
422 } | |
423 | |
424 return NGX_DONE; | |
425 } | |
426 | |
427 | |
428 static ngx_int_t | |
429 ngx_http_scgi_eval(ngx_http_request_t *r, ngx_http_scgi_loc_conf_t * scf) | |
430 { | |
431 ngx_url_t url; | |
432 ngx_http_upstream_t *u; | |
433 | |
434 ngx_memzero(&url, sizeof(ngx_url_t)); | |
435 | |
436 if (ngx_http_script_run(r, &url.url, scf->scgi_lengths->elts, 0, | |
437 scf->scgi_values->elts) | |
438 == NULL) | |
439 { | |
440 return NGX_ERROR; | |
441 } | |
442 | |
443 url.no_resolve = 1; | |
444 | |
445 if (ngx_parse_url(r->pool, &url) != NGX_OK) { | |
446 if (url.err) { | |
447 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
448 "%s in upstream \"%V\"", url.err, &url.url); | |
449 } | |
450 | |
451 return NGX_ERROR; | |
452 } | |
453 | |
454 if (url.no_port) { | |
455 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
456 "no port in upstream \"%V\"", &url.url); | |
457 return NGX_ERROR; | |
458 } | |
459 | |
460 u = r->upstream; | |
461 | |
462 u->resolved = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_resolved_t)); | |
463 if (u->resolved == NULL) { | |
464 return NGX_ERROR; | |
465 } | |
466 | |
467 if (url.addrs && url.addrs[0].sockaddr) { | |
468 u->resolved->sockaddr = url.addrs[0].sockaddr; | |
469 u->resolved->socklen = url.addrs[0].socklen; | |
470 u->resolved->naddrs = 1; | |
471 u->resolved->host = url.addrs[0].name; | |
472 | |
473 } else { | |
474 u->resolved->host = url.host; | |
475 u->resolved->port = url.port; | |
476 } | |
477 | |
478 return NGX_OK; | |
479 } | |
480 | |
481 | |
482 #if (NGX_HTTP_CACHE) | |
483 | |
484 static ngx_int_t | |
485 ngx_http_scgi_create_key(ngx_http_request_t *r) | |
486 { | |
487 ngx_str_t *key; | |
488 ngx_http_scgi_loc_conf_t *scf; | |
489 | |
490 key = ngx_array_push(&r->cache->keys); | |
491 if (key == NULL) { | |
492 return NGX_ERROR; | |
493 } | |
494 | |
495 scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module); | |
496 | |
497 if (ngx_http_complex_value(r, &scf->cache_key, key) != NGX_OK) { | |
498 return NGX_ERROR; | |
499 } | |
500 | |
501 return NGX_OK; | |
502 } | |
503 | |
504 #endif | |
505 | |
506 | |
507 static ngx_int_t | |
508 ngx_http_scgi_create_request(ngx_http_request_t *r) | |
509 { | |
510 u_char ch, *key, *val, *lowcase_key; | |
511 size_t len, allocated; | |
512 ngx_buf_t *b; | |
513 ngx_str_t *content_length; | |
514 ngx_uint_t i, n, hash, header_params; | |
515 ngx_chain_t *cl, *body; | |
516 ngx_list_part_t *part; | |
517 ngx_table_elt_t *header, **ignored; | |
518 ngx_http_script_code_pt code; | |
519 ngx_http_script_engine_t e, le; | |
520 ngx_http_scgi_loc_conf_t *scf; | |
521 ngx_http_script_len_code_pt lcode; | |
522 static ngx_str_t zero = ngx_string("0"); | |
523 | |
524 content_length = r->headers_in.content_length ? | |
525 &r->headers_in.content_length->value : &zero; | |
526 | |
527 len = sizeof("CONTENT_LENGTH") + content_length->len + 1; | |
528 | |
529 header_params = 0; | |
530 ignored = NULL; | |
531 | |
532 scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module); | |
533 | |
534 if (scf->params_len) { | |
535 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
536 | |
537 ngx_http_script_flush_no_cacheable_variables(r, scf->flushes); | |
538 le.flushed = 1; | |
539 | |
540 le.ip = scf->params_len->elts; | |
541 le.request = r; | |
542 | |
543 while (*(uintptr_t *) le.ip) { | |
544 | |
545 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
546 len += lcode(&le); | |
547 | |
548 while (*(uintptr_t *) le.ip) { | |
549 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
550 len += lcode(&le) + 1; | |
551 } | |
552 le.ip += sizeof(uintptr_t); | |
553 } | |
554 } | |
555 | |
556 if (scf->upstream.pass_request_headers) { | |
557 | |
558 allocated = 0; | |
559 lowcase_key = NULL; | |
560 | |
561 if (scf->header_params) { | |
562 ignored = ngx_palloc(r->pool, scf->header_params * sizeof(void *)); | |
563 if (ignored == NULL) { | |
564 return NGX_ERROR; | |
565 } | |
566 } | |
567 | |
568 part = &r->headers_in.headers.part; | |
569 header = part->elts; | |
570 | |
571 for (i = 0; /* void */; i++) { | |
572 | |
573 if (i >= part->nelts) { | |
574 if (part->next == NULL) { | |
575 break; | |
576 } | |
577 | |
578 part = part->next; | |
579 header = part->elts; | |
580 i = 0; | |
581 } | |
582 | |
583 if (scf->header_params) { | |
584 if (allocated < header[i].key.len) { | |
585 allocated = header[i].key.len + 16; | |
586 lowcase_key = ngx_pnalloc(r->pool, allocated); | |
587 if (lowcase_key == NULL) { | |
588 return NGX_ERROR; | |
589 } | |
590 } | |
591 | |
592 hash = 0; | |
593 | |
594 for (n = 0; n < header[i].key.len; n++) { | |
595 ch = header[i].key.data[n]; | |
596 | |
597 if (ch >= 'A' && ch <= 'Z') { | |
598 ch |= 0x20; | |
599 | |
600 } else if (ch == '-') { | |
601 ch = '_'; | |
602 } | |
603 | |
604 hash = ngx_hash(hash, ch); | |
605 lowcase_key[n] = ch; | |
606 } | |
607 | |
608 if (ngx_hash_find(&scf->headers_hash, hash, lowcase_key, n)) { | |
609 ignored[header_params++] = &header[i]; | |
610 continue; | |
611 } | |
612 } | |
613 | |
614 len += sizeof("HTTP_") - 1 + header[i].key.len + 1 | |
615 + header[i].value.len + 1; | |
616 } | |
617 } | |
618 | |
619 /* netstring: "length:" + packet + "," */ | |
620 | |
621 b = ngx_create_temp_buf(r->pool, NGX_SIZE_T_LEN + 1 + len + 1); | |
622 if (b == NULL) { | |
623 return NGX_ERROR; | |
624 } | |
625 | |
626 cl = ngx_alloc_chain_link(r->pool); | |
627 if (cl == NULL) { | |
628 return NGX_ERROR; | |
629 } | |
630 | |
631 cl->buf = b; | |
632 | |
633 b->last = ngx_snprintf(b->last, | |
634 NGX_SIZE_T_LEN + 1 + sizeof("CONTENT_LENGTH") | |
635 + NGX_OFF_T_LEN + 1, | |
636 "%ui:CONTENT_LENGTH%Z%V%Z", | |
637 len, content_length); | |
638 | |
639 if (scf->params_len) { | |
640 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); | |
641 | |
642 e.ip = scf->params->elts; | |
643 e.pos = b->last; | |
644 e.request = r; | |
645 e.flushed = 1; | |
646 | |
647 while (*(uintptr_t *) e.ip) { | |
648 | |
649 #if (NGX_DEBUG) | |
650 key = e.pos; | |
651 #endif | |
652 code = *(ngx_http_script_code_pt *) e.ip; | |
653 code((ngx_http_script_engine_t *) & e); | |
654 | |
655 #if (NGX_DEBUG) | |
656 val = e.pos; | |
657 #endif | |
658 while (*(uintptr_t *) e.ip) { | |
659 code = *(ngx_http_script_code_pt *) e.ip; | |
660 code((ngx_http_script_engine_t *) &e); | |
661 } | |
662 *e.pos++ = '\0'; | |
663 e.ip += sizeof(uintptr_t); | |
664 | |
665 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
666 "scgi param: \"%s: %s\"", key, val); | |
667 } | |
668 | |
669 b->last = e.pos; | |
670 } | |
671 | |
672 if (scf->upstream.pass_request_headers) { | |
673 | |
674 part = &r->headers_in.headers.part; | |
675 header = part->elts; | |
676 | |
677 for (i = 0; /* void */; i++) { | |
678 | |
679 if (i >= part->nelts) { | |
680 if (part->next == NULL) { | |
681 break; | |
682 } | |
683 | |
684 part = part->next; | |
685 header = part->elts; | |
686 i = 0; | |
687 } | |
688 | |
689 for (n = 0; n < header_params; n++) { | |
690 if (&header[i] == ignored[n]) { | |
691 goto next; | |
692 } | |
693 } | |
694 | |
695 key = b->last; | |
696 b->last = ngx_cpymem(key, "HTTP_", sizeof("HTTP_") - 1); | |
697 | |
698 for (n = 0; n < header[i].key.len; n++) { | |
699 ch = header[i].key.data[n]; | |
700 | |
701 if (ch >= 'a' && ch <= 'z') { | |
702 ch &= ~0x20; | |
703 | |
704 } else if (ch == '-') { | |
705 ch = '_'; | |
706 } | |
707 | |
708 *b->last++ = ch; | |
709 } | |
710 | |
711 *b->last++ = (u_char) 0; | |
712 | |
713 val = b->last; | |
714 b->last = ngx_copy(val, header[i].value.data, header[i].value.len); | |
715 *b->last++ = (u_char) 0; | |
716 | |
717 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
718 "scgi param: \"%s: %s\"", key, val); | |
719 | |
720 next: | |
721 | |
722 continue; | |
723 } | |
724 } | |
725 | |
726 *b->last++ = (u_char) ','; | |
727 | |
728 if (scf->upstream.pass_request_body) { | |
729 body = r->upstream->request_bufs; | |
730 r->upstream->request_bufs = cl; | |
731 | |
732 while (body) { | |
733 b = ngx_alloc_buf(r->pool); | |
734 if (b == NULL) { | |
735 return NGX_ERROR; | |
736 } | |
737 | |
738 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t)); | |
739 | |
740 cl->next = ngx_alloc_chain_link(r->pool); | |
741 if (cl->next == NULL) { | |
742 return NGX_ERROR; | |
743 } | |
744 | |
745 cl = cl->next; | |
746 cl->buf = b; | |
747 | |
748 body = body->next; | |
749 } | |
750 | |
751 } else { | |
752 r->upstream->request_bufs = cl; | |
753 } | |
754 | |
755 cl->next = NULL; | |
756 | |
757 return NGX_OK; | |
758 } | |
759 | |
760 | |
761 static ngx_int_t | |
762 ngx_http_scgi_reinit_request(ngx_http_request_t *r) | |
763 { | |
764 ngx_http_status_t *status; | |
765 | |
766 status = ngx_http_get_module_ctx(r, ngx_http_scgi_module); | |
767 | |
768 if (status == NULL) { | |
769 return NGX_OK; | |
770 } | |
771 | |
772 status->code = 0; | |
773 status->count = 0; | |
774 status->start = NULL; | |
775 status->end = NULL; | |
776 | |
777 r->upstream->process_header = ngx_http_scgi_process_status_line; | |
778 | |
779 return NGX_OK; | |
780 } | |
781 | |
782 | |
783 static ngx_int_t | |
784 ngx_http_scgi_process_status_line(ngx_http_request_t *r) | |
785 { | |
786 size_t len; | |
787 ngx_int_t rc; | |
788 ngx_http_status_t *status; | |
789 ngx_http_upstream_t *u; | |
790 | |
791 status = ngx_http_get_module_ctx(r, ngx_http_scgi_module); | |
792 | |
793 if (status == NULL) { | |
794 return NGX_ERROR; | |
795 } | |
796 | |
797 u = r->upstream; | |
798 | |
799 rc = ngx_http_parse_status_line(r, &u->buffer, status); | |
800 | |
801 if (rc == NGX_AGAIN) { | |
802 return rc; | |
803 } | |
804 | |
805 if (rc == NGX_ERROR) { | |
806 | |
807 r->http_version = NGX_HTTP_VERSION_9; | |
808 | |
809 u->process_header = ngx_http_scgi_process_header; | |
810 | |
811 return ngx_http_scgi_process_header(r); | |
812 } | |
813 | |
814 if (u->state) { | |
815 u->state->status = status->code; | |
816 } | |
817 | |
818 u->headers_in.status_n = status->code; | |
819 | |
820 len = status->end - status->start; | |
821 u->headers_in.status_line.len = len; | |
822 | |
823 u->headers_in.status_line.data = ngx_pnalloc(r->pool, len); | |
824 if (u->headers_in.status_line.data == NULL) { | |
825 return NGX_ERROR; | |
826 } | |
827 | |
828 ngx_memcpy(u->headers_in.status_line.data, status->start, len); | |
829 | |
830 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
831 "http scgi status %ui \"%V\"", | |
832 u->headers_in.status_n, &u->headers_in.status_line); | |
833 | |
834 u->process_header = ngx_http_scgi_process_header; | |
835 | |
836 return ngx_http_scgi_process_header(r); | |
837 } | |
838 | |
839 | |
840 static ngx_int_t | |
841 ngx_http_scgi_process_header(ngx_http_request_t *r) | |
842 { | |
843 ngx_str_t *status_line; | |
844 ngx_int_t rc, status; | |
845 ngx_table_elt_t *h; | |
846 ngx_http_upstream_t *u; | |
847 ngx_http_upstream_header_t *hh; | |
848 ngx_http_upstream_main_conf_t *umcf; | |
849 | |
850 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); | |
851 | |
852 for ( ;; ) { | |
853 | |
854 rc = ngx_http_parse_header_line(r, &r->upstream->buffer, 1); | |
855 | |
856 if (rc == NGX_OK) { | |
857 | |
858 /* a header line has been parsed successfully */ | |
859 | |
860 h = ngx_list_push(&r->upstream->headers_in.headers); | |
861 if (h == NULL) { | |
862 return NGX_ERROR; | |
863 } | |
864 | |
865 h->hash = r->header_hash; | |
866 | |
867 h->key.len = r->header_name_end - r->header_name_start; | |
868 h->value.len = r->header_end - r->header_start; | |
869 | |
870 h->key.data = ngx_pnalloc(r->pool, | |
871 h->key.len + 1 + h->value.len + 1 | |
872 + h->key.len); | |
873 if (h->key.data == NULL) { | |
874 return NGX_ERROR; | |
875 } | |
876 | |
877 h->value.data = h->key.data + h->key.len + 1; | |
878 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1; | |
879 | |
880 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1); | |
881 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1); | |
882 | |
883 if (h->key.len == r->lowcase_index) { | |
884 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len); | |
885 | |
886 } else { | |
887 ngx_strlow(h->lowcase_key, h->key.data, h->key.len); | |
888 } | |
889 | |
890 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash, | |
891 h->lowcase_key, h->key.len); | |
892 | |
893 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) { | |
894 return NGX_ERROR; | |
895 } | |
896 | |
897 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
898 "http scgi header: \"%V: %V\"", &h->key, &h->value); | |
899 | |
900 continue; | |
901 } | |
902 | |
903 if (rc == NGX_HTTP_PARSE_HEADER_DONE) { | |
904 | |
905 /* a whole header has been parsed successfully */ | |
906 | |
907 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
908 "http scgi header done"); | |
909 | |
910 if (r->http_version > NGX_HTTP_VERSION_9) { | |
911 return NGX_OK; | |
912 } | |
913 | |
914 u = r->upstream; | |
915 | |
916 if (u->headers_in.status) { | |
917 status_line = &u->headers_in.status->value; | |
918 | |
919 status = ngx_atoi(status_line->data, 3); | |
920 if (status == NGX_ERROR) { | |
921 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
922 "upstream sent invalid status \"%V\"", | |
923 status_line); | |
924 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
925 } | |
926 | |
927 r->http_version = NGX_HTTP_VERSION_10; | |
928 u->headers_in.status_n = status; | |
929 u->headers_in.status_line = *status_line; | |
930 | |
931 } else if (u->headers_in.location) { | |
932 r->http_version = NGX_HTTP_VERSION_10; | |
933 u->headers_in.status_n = 302; | |
934 ngx_str_set(&u->headers_in.status_line, | |
935 "302 Moved Temporarily"); | |
936 | |
937 } else { | |
938 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
939 "upstream sent neither valid HTTP/1.0 header " | |
940 "nor \"Status\" header line"); | |
941 u->headers_in.status_n = 200; | |
942 ngx_str_set(&u->headers_in.status_line, "200 OK"); | |
943 } | |
944 | |
945 if (u->state) { | |
946 u->state->status = u->headers_in.status_n; | |
947 } | |
948 | |
949 return NGX_OK; | |
950 } | |
951 | |
952 if (rc == NGX_AGAIN) { | |
953 return NGX_AGAIN; | |
954 } | |
955 | |
956 /* there was error while a header line parsing */ | |
957 | |
958 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
959 "upstream sent invalid header"); | |
960 | |
961 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
962 } | |
963 } | |
964 | |
965 | |
966 static void | |
967 ngx_http_scgi_abort_request(ngx_http_request_t *r) | |
968 { | |
969 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
970 "abort http scgi request"); | |
971 | |
972 return; | |
973 } | |
974 | |
975 | |
976 static void | |
977 ngx_http_scgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc) | |
978 { | |
979 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
980 "finalize http scgi request"); | |
981 | |
982 return; | |
983 } | |
984 | |
985 | |
986 static void * | |
987 ngx_http_scgi_create_loc_conf(ngx_conf_t *cf) | |
988 { | |
989 ngx_http_scgi_loc_conf_t *conf; | |
990 | |
991 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_scgi_loc_conf_t)); | |
992 if (conf == NULL) { | |
993 return NULL; | |
994 } | |
995 | |
996 conf->upstream.store = NGX_CONF_UNSET; | |
997 conf->upstream.store_access = NGX_CONF_UNSET_UINT; | |
998 conf->upstream.buffering = NGX_CONF_UNSET; | |
999 conf->upstream.ignore_client_abort = NGX_CONF_UNSET; | |
1000 | |
1001 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC; | |
1002 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC; | |
1003 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC; | |
1004 | |
1005 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE; | |
1006 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE; | |
1007 | |
1008 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE; | |
1009 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE; | |
1010 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE; | |
1011 | |
1012 conf->upstream.pass_request_headers = NGX_CONF_UNSET; | |
1013 conf->upstream.pass_request_body = NGX_CONF_UNSET; | |
1014 | |
1015 #if (NGX_HTTP_CACHE) | |
1016 conf->upstream.cache = NGX_CONF_UNSET_PTR; | |
1017 conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT; | |
1018 conf->upstream.cache_valid = NGX_CONF_UNSET_PTR; | |
1019 #endif | |
1020 | |
1021 conf->upstream.hide_headers = NGX_CONF_UNSET_PTR; | |
1022 conf->upstream.pass_headers = NGX_CONF_UNSET_PTR; | |
1023 | |
1024 conf->upstream.intercept_errors = NGX_CONF_UNSET; | |
1025 | |
1026 /* "scgi_cyclic_temp_file" is disabled */ | |
1027 conf->upstream.cyclic_temp_file = 0; | |
1028 | |
1029 return conf; | |
1030 } | |
1031 | |
1032 | |
1033 static char * | |
1034 ngx_http_scgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
1035 { | |
1036 ngx_http_scgi_loc_conf_t *prev = parent; | |
1037 ngx_http_scgi_loc_conf_t *conf = child; | |
1038 | |
1039 u_char *p; | |
1040 size_t size; | |
1041 uintptr_t *code; | |
1042 ngx_uint_t i; | |
1043 ngx_array_t headers_names; | |
1044 ngx_keyval_t *src; | |
1045 ngx_hash_key_t *hk; | |
1046 ngx_hash_init_t hash; | |
1047 ngx_http_script_compile_t sc; | |
1048 ngx_http_script_copy_code_t *copy; | |
1049 | |
1050 if (conf->upstream.store != 0) { | |
1051 ngx_conf_merge_value(conf->upstream.store, prev->upstream.store, 0); | |
1052 | |
1053 if (conf->upstream.store_lengths == NULL) { | |
1054 conf->upstream.store_lengths = prev->upstream.store_lengths; | |
1055 conf->upstream.store_values = prev->upstream.store_values; | |
1056 } | |
1057 } | |
1058 | |
1059 ngx_conf_merge_uint_value(conf->upstream.store_access, | |
1060 prev->upstream.store_access, 0600); | |
1061 | |
1062 ngx_conf_merge_value(conf->upstream.buffering, | |
1063 prev->upstream.buffering, 1); | |
1064 | |
1065 ngx_conf_merge_value(conf->upstream.ignore_client_abort, | |
1066 prev->upstream.ignore_client_abort, 0); | |
1067 | |
1068 ngx_conf_merge_msec_value(conf->upstream.connect_timeout, | |
1069 prev->upstream.connect_timeout, 60000); | |
1070 | |
1071 ngx_conf_merge_msec_value(conf->upstream.send_timeout, | |
1072 prev->upstream.send_timeout, 60000); | |
1073 | |
1074 ngx_conf_merge_msec_value(conf->upstream.read_timeout, | |
1075 prev->upstream.read_timeout, 60000); | |
1076 | |
1077 ngx_conf_merge_size_value(conf->upstream.send_lowat, | |
1078 prev->upstream.send_lowat, 0); | |
1079 | |
1080 ngx_conf_merge_size_value(conf->upstream.buffer_size, | |
1081 prev->upstream.buffer_size, | |
1082 (size_t) ngx_pagesize); | |
1083 | |
1084 | |
1085 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs, | |
1086 8, ngx_pagesize); | |
1087 | |
1088 if (conf->upstream.bufs.num < 2) { | |
1089 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1090 "there must be at least 2 \"scgi_buffers\""); | |
1091 return NGX_CONF_ERROR; | |
1092 } | |
1093 | |
1094 | |
1095 size = conf->upstream.buffer_size; | |
1096 if (size < conf->upstream.bufs.size) { | |
1097 size = conf->upstream.bufs.size; | |
1098 } | |
1099 | |
1100 | |
1101 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf, | |
1102 prev->upstream.busy_buffers_size_conf, | |
1103 NGX_CONF_UNSET_SIZE); | |
1104 | |
1105 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) { | |
1106 conf->upstream.busy_buffers_size = 2 * size; | |
1107 } else { | |
1108 conf->upstream.busy_buffers_size = | |
1109 conf->upstream.busy_buffers_size_conf; | |
1110 } | |
1111 | |
1112 if (conf->upstream.busy_buffers_size < size) { | |
1113 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1114 "\"scgi_busy_buffers_size\" must be equal or bigger " | |
1115 "than maximum of the value of \"scgi_buffer_size\" and " | |
1116 "one of the \"scgi_buffers\""); | |
1117 | |
1118 return NGX_CONF_ERROR; | |
1119 } | |
1120 | |
1121 if (conf->upstream.busy_buffers_size | |
1122 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size) | |
1123 { | |
1124 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1125 "\"scgi_busy_buffers_size\" must be less than " | |
1126 "the size of all \"scgi_buffers\" minus one buffer"); | |
1127 | |
1128 return NGX_CONF_ERROR; | |
1129 } | |
1130 | |
1131 | |
1132 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf, | |
1133 prev->upstream.temp_file_write_size_conf, | |
1134 NGX_CONF_UNSET_SIZE); | |
1135 | |
1136 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) { | |
1137 conf->upstream.temp_file_write_size = 2 * size; | |
1138 } else { | |
1139 conf->upstream.temp_file_write_size = | |
1140 conf->upstream.temp_file_write_size_conf; | |
1141 } | |
1142 | |
1143 if (conf->upstream.temp_file_write_size < size) { | |
1144 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1145 "\"scgi_temp_file_write_size\" must be equal or bigger than " | |
1146 "maximum of the value of \"scgi_buffer_size\" and " | |
1147 "one of the \"scgi_buffers\""); | |
1148 | |
1149 return NGX_CONF_ERROR; | |
1150 } | |
1151 | |
1152 | |
1153 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf, | |
1154 prev->upstream.max_temp_file_size_conf, | |
1155 NGX_CONF_UNSET_SIZE); | |
1156 | |
1157 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) { | |
1158 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024; | |
1159 } else { | |
1160 conf->upstream.max_temp_file_size = | |
1161 conf->upstream.max_temp_file_size_conf; | |
1162 } | |
1163 | |
1164 if (conf->upstream.max_temp_file_size != 0 | |
1165 && conf->upstream.max_temp_file_size < size) { | |
1166 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1167 "\"scgi_max_temp_file_size\" must be equal to zero to disable " | |
1168 "the temporary files usage or must be equal or bigger than " | |
1169 "maximum of the value of \"scgi_buffer_size\" and " | |
1170 "one of the \"scgi_buffers\""); | |
1171 | |
1172 return NGX_CONF_ERROR; | |
1173 } | |
1174 | |
1175 | |
1176 ngx_conf_merge_bitmask_value(conf->upstream.ignore_headers, | |
1177 prev->upstream.ignore_headers, | |
1178 NGX_CONF_BITMASK_SET); | |
1179 | |
1180 | |
1181 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream, | |
1182 prev->upstream.next_upstream, | |
1183 (NGX_CONF_BITMASK_SET | |
1184 |NGX_HTTP_UPSTREAM_FT_ERROR | |
1185 |NGX_HTTP_UPSTREAM_FT_TIMEOUT)); | |
1186 | |
1187 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) { | |
1188 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET | |
1189 |NGX_HTTP_UPSTREAM_FT_OFF; | |
1190 } | |
1191 | |
1192 if (ngx_conf_merge_path_value(cf, &conf->upstream.temp_path, | |
1193 prev->upstream.temp_path, | |
1194 &ngx_http_scgi_temp_path) | |
1195 != NGX_OK) | |
1196 { | |
1197 return NGX_CONF_ERROR; | |
1198 } | |
1199 | |
1200 #if (NGX_HTTP_CACHE) | |
1201 | |
1202 ngx_conf_merge_ptr_value(conf->upstream.cache, | |
1203 prev->upstream.cache, NULL); | |
1204 | |
1205 if (conf->upstream.cache && conf->upstream.cache->data == NULL) { | |
1206 ngx_shm_zone_t *shm_zone; | |
1207 | |
1208 shm_zone = conf->upstream.cache; | |
1209 | |
1210 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1211 "\"scgi_cache\" zone \"%V\" is unknown", | |
1212 &shm_zone->shm.name); | |
1213 | |
1214 return NGX_CONF_ERROR; | |
1215 } | |
1216 | |
1217 ngx_conf_merge_uint_value(conf->upstream.cache_min_uses, | |
1218 prev->upstream.cache_min_uses, 1); | |
1219 | |
1220 ngx_conf_merge_bitmask_value(conf->upstream.cache_use_stale, | |
1221 prev->upstream.cache_use_stale, | |
1222 (NGX_CONF_BITMASK_SET | |
1223 |NGX_HTTP_UPSTREAM_FT_OFF)); | |
1224 | |
1225 if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_OFF) { | |
1226 conf->upstream.cache_use_stale = NGX_CONF_BITMASK_SET | |
1227 |NGX_HTTP_UPSTREAM_FT_OFF; | |
1228 } | |
1229 | |
1230 if (conf->upstream.cache_methods == 0) { | |
1231 conf->upstream.cache_methods = prev->upstream.cache_methods; | |
1232 } | |
1233 | |
1234 conf->upstream.cache_methods |= NGX_HTTP_GET|NGX_HTTP_HEAD; | |
1235 | |
1236 ngx_conf_merge_ptr_value(conf->upstream.no_cache, | |
1237 prev->upstream.no_cache, NULL); | |
1238 | |
1239 ngx_conf_merge_ptr_value(conf->upstream.cache_valid, | |
1240 prev->upstream.cache_valid, NULL); | |
1241 | |
1242 if (conf->cache_key.value.data == NULL) { | |
1243 conf->cache_key = prev->cache_key; | |
1244 } | |
1245 | |
1246 #endif | |
1247 | |
1248 ngx_conf_merge_value(conf->upstream.pass_request_headers, | |
1249 prev->upstream.pass_request_headers, 1); | |
1250 ngx_conf_merge_value(conf->upstream.pass_request_body, | |
1251 prev->upstream.pass_request_body, 1); | |
1252 | |
1253 ngx_conf_merge_value(conf->upstream.intercept_errors, | |
1254 prev->upstream.intercept_errors, 0); | |
1255 | |
1256 hash.max_size = 512; | |
1257 hash.bucket_size = ngx_align(64, ngx_cacheline_size); | |
1258 hash.name = "scgi_hide_headers_hash"; | |
1259 | |
1260 if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream, | |
3670
2728c4e4a9ae
do not use a cache headers set to hide
Igor Sysoev <igor@sysoev.ru>
parents:
3668
diff
changeset
|
1261 &prev->upstream, ngx_http_scgi_hide_headers, &hash) |
3637 | 1262 != NGX_OK) |
1263 { | |
1264 return NGX_CONF_ERROR; | |
1265 } | |
1266 | |
1267 if (conf->upstream.upstream == NULL) { | |
1268 conf->upstream.upstream = prev->upstream.upstream; | |
1269 } | |
1270 | |
1271 if (conf->scgi_lengths == NULL) { | |
1272 conf->scgi_lengths = prev->scgi_lengths; | |
1273 conf->scgi_values = prev->scgi_values; | |
1274 } | |
1275 | |
1276 if (conf->params_source == NULL) { | |
1277 conf->flushes = prev->flushes; | |
1278 conf->params_len = prev->params_len; | |
1279 conf->params = prev->params; | |
1280 conf->params_source = prev->params_source; | |
1281 conf->headers_hash = prev->headers_hash; | |
1282 | |
1283 #if (NGX_HTTP_CACHE) | |
1284 | |
1285 if (conf->params_source == NULL) { | |
1286 | |
1287 if ((conf->upstream.cache == NULL) | |
1288 == (prev->upstream.cache == NULL)) | |
1289 { | |
1290 return NGX_CONF_OK; | |
1291 } | |
1292 | |
1293 /* 6 is a number of ngx_http_scgi_cache_headers entries */ | |
1294 conf->params_source = ngx_array_create(cf->pool, 6, | |
1295 sizeof(ngx_keyval_t)); | |
1296 if (conf->params_source == NULL) { | |
1297 return NGX_CONF_ERROR; | |
1298 } | |
1299 } | |
1300 #else | |
1301 | |
1302 if (conf->params_source == NULL) { | |
1303 return NGX_CONF_OK; | |
1304 } | |
1305 | |
1306 #endif | |
1307 } | |
1308 | |
1309 conf->params_len = ngx_array_create(cf->pool, 64, 1); | |
1310 if (conf->params_len == NULL) { | |
1311 return NGX_CONF_ERROR; | |
1312 } | |
1313 | |
1314 conf->params = ngx_array_create(cf->pool, 512, 1); | |
1315 if (conf->params == NULL) { | |
1316 return NGX_CONF_ERROR; | |
1317 } | |
1318 | |
1319 if (ngx_array_init(&headers_names, cf->temp_pool, 4, sizeof(ngx_hash_key_t)) | |
1320 != NGX_OK) | |
1321 { | |
1322 return NGX_CONF_ERROR; | |
1323 } | |
1324 | |
1325 src = conf->params_source->elts; | |
1326 | |
1327 #if (NGX_HTTP_CACHE) | |
1328 | |
1329 if (conf->upstream.cache) { | |
1330 ngx_keyval_t *h, *s; | |
1331 | |
1332 for (h = ngx_http_scgi_cache_headers; h->key.len; h++) { | |
1333 | |
1334 for (i = 0; i < conf->params_source->nelts; i++) { | |
1335 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) { | |
1336 goto next; | |
1337 } | |
1338 } | |
1339 | |
1340 s = ngx_array_push(conf->params_source); | |
1341 if (s == NULL) { | |
1342 return NGX_CONF_ERROR; | |
1343 } | |
1344 | |
1345 *s = *h; | |
1346 | |
1347 src = conf->params_source->elts; | |
1348 | |
1349 next: | |
1350 | |
1351 h++; | |
1352 } | |
1353 } | |
1354 | |
1355 #endif | |
1356 | |
1357 for (i = 0; i < conf->params_source->nelts; i++) { | |
1358 | |
1359 if (src[i].key.len > sizeof("HTTP_") - 1 | |
1360 && ngx_strncmp(src[i].key.data, "HTTP_", sizeof("HTTP_") - 1) == 0) | |
1361 { | |
1362 hk = ngx_array_push(&headers_names); | |
1363 if (hk == NULL) { | |
1364 return NGX_CONF_ERROR; | |
1365 } | |
1366 | |
1367 hk->key.len = src[i].key.len - 5; | |
1368 hk->key.data = src[i].key.data + 5; | |
1369 hk->key_hash = ngx_hash_key_lc(hk->key.data, hk->key.len); | |
1370 hk->value = (void *) 1; | |
1371 | |
1372 if (src[i].value.len == 0) { | |
1373 continue; | |
1374 } | |
1375 } | |
1376 | |
1377 copy = ngx_array_push_n(conf->params_len, | |
1378 sizeof(ngx_http_script_copy_code_t)); | |
1379 if (copy == NULL) { | |
1380 return NGX_CONF_ERROR; | |
1381 } | |
1382 | |
1383 copy->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code; | |
1384 copy->len = src[i].key.len + 1; | |
1385 | |
1386 | |
1387 size = (sizeof(ngx_http_script_copy_code_t) | |
1388 + src[i].key.len + 1 + sizeof(uintptr_t) - 1) | |
1389 & ~(sizeof(uintptr_t) - 1); | |
1390 | |
1391 copy = ngx_array_push_n(conf->params, size); | |
1392 if (copy == NULL) { | |
1393 return NGX_CONF_ERROR; | |
1394 } | |
1395 | |
1396 copy->code = ngx_http_script_copy_code; | |
1397 copy->len = src[i].key.len + 1; | |
1398 | |
1399 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); | |
1400 (void) ngx_cpystrn(p, src[i].key.data, src[i].key.len + 1); | |
1401 | |
1402 | |
1403 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
1404 | |
1405 sc.cf = cf; | |
1406 sc.source = &src[i].value; | |
1407 sc.flushes = &conf->flushes; | |
1408 sc.lengths = &conf->params_len; | |
1409 sc.values = &conf->params; | |
1410 | |
1411 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
1412 return NGX_CONF_ERROR; | |
1413 } | |
1414 | |
1415 code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t)); | |
1416 if (code == NULL) { | |
1417 return NGX_CONF_ERROR; | |
1418 } | |
1419 | |
1420 *code = (uintptr_t) NULL; | |
1421 | |
1422 | |
1423 code = ngx_array_push_n(conf->params, sizeof(uintptr_t)); | |
1424 if (code == NULL) { | |
1425 return NGX_CONF_ERROR; | |
1426 } | |
1427 | |
1428 *code = (uintptr_t) NULL; | |
1429 } | |
1430 | |
1431 code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t)); | |
1432 if (code == NULL) { | |
1433 return NGX_CONF_ERROR; | |
1434 } | |
1435 | |
1436 *code = (uintptr_t) NULL; | |
1437 | |
1438 code = ngx_array_push_n(conf->params, sizeof(uintptr_t)); | |
1439 if (code == NULL) { | |
1440 return NGX_CONF_ERROR; | |
1441 } | |
1442 | |
1443 *code = (uintptr_t) NULL; | |
1444 | |
1445 conf->header_params = headers_names.nelts; | |
1446 | |
1447 hash.hash = &conf->headers_hash; | |
1448 hash.key = ngx_hash_key_lc; | |
1449 hash.max_size = 512; | |
1450 hash.bucket_size = 64; | |
1451 hash.name = "scgi_params_hash"; | |
1452 hash.pool = cf->pool; | |
1453 hash.temp_pool = NULL; | |
1454 | |
1455 if (ngx_hash_init(&hash, headers_names.elts, headers_names.nelts) != NGX_OK) | |
1456 { | |
1457 return NGX_CONF_ERROR; | |
1458 } | |
1459 | |
1460 return NGX_CONF_OK; | |
1461 } | |
1462 | |
1463 | |
1464 static char * | |
1465 ngx_http_scgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
1466 { | |
1467 ngx_http_scgi_loc_conf_t *scf = conf; | |
1468 | |
1469 ngx_url_t u; | |
1470 ngx_str_t *value, *url; | |
1471 ngx_uint_t n; | |
1472 ngx_http_core_loc_conf_t *clcf; | |
1473 ngx_http_script_compile_t sc; | |
1474 | |
1475 if (scf->upstream.upstream || scf->scgi_lengths) { | |
1476 return "is duplicate"; | |
1477 } | |
1478 | |
1479 clcf = ngx_http_conf_get_module_loc_conf (cf, ngx_http_core_module); | |
1480 clcf->handler = ngx_http_scgi_handler; | |
1481 | |
1482 value = cf->args->elts; | |
1483 | |
1484 url = &value[1]; | |
1485 | |
1486 n = ngx_http_script_variables_count(url); | |
1487 | |
1488 if (n) { | |
1489 | |
1490 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
1491 | |
1492 sc.cf = cf; | |
1493 sc.source = url; | |
1494 sc.lengths = &scf->scgi_lengths; | |
1495 sc.values = &scf->scgi_values; | |
1496 sc.variables = n; | |
1497 sc.complete_lengths = 1; | |
1498 sc.complete_values = 1; | |
1499 | |
1500 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
1501 return NGX_CONF_ERROR; | |
1502 } | |
1503 | |
1504 return NGX_CONF_OK; | |
1505 } | |
1506 | |
1507 ngx_memzero(&u, sizeof(ngx_url_t)); | |
1508 | |
1509 u.url = value[1]; | |
1510 u.no_resolve = 1; | |
1511 | |
1512 scf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0); | |
1513 if (scf->upstream.upstream == NULL) { | |
1514 return NGX_CONF_ERROR; | |
1515 } | |
1516 | |
1517 if (clcf->name.data[clcf->name.len - 1] == '/') { | |
1518 clcf->auto_redirect = 1; | |
1519 } | |
1520 | |
1521 return NGX_CONF_OK; | |
1522 } | |
1523 | |
1524 | |
1525 static char * | |
1526 ngx_http_scgi_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
1527 { | |
1528 ngx_http_scgi_loc_conf_t *scf = conf; | |
1529 | |
1530 ngx_str_t *value; | |
1531 ngx_http_script_compile_t sc; | |
1532 | |
1533 if (scf->upstream.store != NGX_CONF_UNSET || scf->upstream.store_lengths) { | |
1534 return "is duplicate"; | |
1535 } | |
1536 | |
1537 value = cf->args->elts; | |
1538 | |
1539 if (ngx_strcmp(value[1].data, "off") == 0) { | |
1540 scf->upstream.store = 0; | |
1541 return NGX_CONF_OK; | |
1542 } | |
1543 | |
1544 #if (NGX_HTTP_CACHE) | |
1545 | |
1546 if (scf->upstream.cache != NGX_CONF_UNSET_PTR | |
1547 && scf->upstream.cache != NULL) | |
1548 { | |
1549 return "is incompatible with \"scgi_cache\""; | |
1550 } | |
1551 | |
1552 #endif | |
1553 | |
1554 if (ngx_strcmp(value[1].data, "on") == 0) { | |
1555 scf->upstream.store = 1; | |
1556 return NGX_CONF_OK; | |
1557 } | |
1558 | |
1559 /* include the terminating '\0' into script */ | |
1560 value[1].len++; | |
1561 | |
1562 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
1563 | |
1564 sc.cf = cf; | |
1565 sc.source = &value[1]; | |
1566 sc.lengths = &scf->upstream.store_lengths; | |
1567 sc.values = &scf->upstream.store_values; | |
1568 sc.variables = ngx_http_script_variables_count(&value[1]);; | |
1569 sc.complete_lengths = 1; | |
1570 sc.complete_values = 1; | |
1571 | |
1572 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
1573 return NGX_CONF_ERROR; | |
1574 } | |
1575 | |
1576 return NGX_CONF_OK; | |
1577 } | |
1578 | |
1579 | |
1580 #if (NGX_HTTP_CACHE) | |
1581 | |
1582 static char * | |
1583 ngx_http_scgi_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
1584 { | |
1585 ngx_http_scgi_loc_conf_t *scf = conf; | |
1586 | |
1587 ngx_str_t *value; | |
1588 | |
1589 value = cf->args->elts; | |
1590 | |
1591 if (scf->upstream.cache != NGX_CONF_UNSET_PTR) { | |
1592 return "is duplicate"; | |
1593 } | |
1594 | |
1595 if (ngx_strcmp(value[1].data, "off") == 0) { | |
1596 scf->upstream.cache = NULL; | |
1597 return NGX_CONF_OK; | |
1598 } | |
1599 | |
1600 if (scf->upstream.store > 0 || scf->upstream.store_lengths) { | |
1601 return "is incompatible with \"scgi_store\""; | |
1602 } | |
1603 | |
1604 scf->upstream.cache = ngx_shared_memory_add(cf, &value[1], 0, | |
1605 &ngx_http_scgi_module); | |
1606 if (scf->upstream.cache == NULL) { | |
1607 return NGX_CONF_ERROR; | |
1608 } | |
1609 | |
1610 return NGX_CONF_OK; | |
1611 } | |
1612 | |
1613 | |
1614 static char * | |
1615 ngx_http_scgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
1616 { | |
1617 ngx_http_scgi_loc_conf_t *scf = conf; | |
1618 | |
1619 ngx_str_t *value; | |
1620 ngx_http_compile_complex_value_t ccv; | |
1621 | |
1622 value = cf->args->elts; | |
1623 | |
1624 if (scf->cache_key.value.len) { | |
1625 return "is duplicate"; | |
1626 } | |
1627 | |
1628 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); | |
1629 | |
1630 ccv.cf = cf; | |
1631 ccv.value = &value[1]; | |
1632 ccv.complex_value = &scf->cache_key; | |
1633 | |
1634 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { | |
1635 return NGX_CONF_ERROR; | |
1636 } | |
1637 | |
1638 return NGX_CONF_OK; | |
1639 } | |
1640 | |
1641 #endif |