Mercurial > hg > nginx
annotate src/http/modules/perl/ngx_http_perl_module.c @ 1702:86bb52e28ce0
fix segfault when $r->has_request_body() is called with ready body
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Sun, 09 Dec 2007 19:30:30 +0000 |
parents | 4c43e25d11ea |
children | b43f244d0430 |
rev | line source |
---|---|
599 | 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 <ngx_http_perl_module.h> | |
11 | |
12 | |
13 typedef struct { | |
14 PerlInterpreter *perl; | |
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872
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15 HV *nginx; |
599 | 16 ngx_str_t modules; |
17 ngx_array_t requires; | |
18 } ngx_http_perl_main_conf_t; | |
19 | |
20 | |
21 typedef struct { | |
22 SV *sub; | |
23 ngx_str_t handler; | |
24 } ngx_http_perl_loc_conf_t; | |
25 | |
26 | |
27 typedef struct { | |
28 SV *sub; | |
29 ngx_str_t handler; | |
30 } ngx_http_perl_variable_t; | |
31 | |
32 | |
653 | 33 typedef struct { |
34 SV *sv; | |
35 PerlInterpreter *perl; | |
36 } ngx_http_perl_cleanup_t; | |
37 | |
38 | |
617 | 39 #if (NGX_HTTP_SSI) |
599 | 40 static ngx_int_t ngx_http_perl_ssi(ngx_http_request_t *r, |
41 ngx_http_ssi_ctx_t *ssi_ctx, ngx_str_t **params); | |
617 | 42 #endif |
43 | |
911 | 44 static void ngx_http_perl_sleep_handler(ngx_http_request_t *r); |
599 | 45 static char *ngx_http_perl_init_interpreter(ngx_conf_t *cf, |
46 ngx_http_perl_main_conf_t *pmcf); | |
1069 | 47 static PerlInterpreter *ngx_http_perl_create_interpreter(ngx_conf_t *cf, |
48 ngx_http_perl_main_conf_t *pmcf); | |
653 | 49 static ngx_int_t ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, |
649 | 50 ngx_log_t *log); |
599 | 51 static ngx_int_t ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, |
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52 HV *nginx, SV *sub, ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv); |
599 | 53 static void ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv); |
54 | |
55 static ngx_int_t ngx_http_perl_preconfiguration(ngx_conf_t *cf); | |
56 static void *ngx_http_perl_create_main_conf(ngx_conf_t *cf); | |
57 static char *ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf); | |
58 static void *ngx_http_perl_create_loc_conf(ngx_conf_t *cf); | |
59 static char *ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, | |
60 void *child); | |
61 static char *ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, | |
62 void *conf); | |
63 static char *ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
64 static char *ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
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65 |
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66 #if (NGX_HAVE_PERL_MULTIPLICITY) |
599 | 67 static void ngx_http_perl_cleanup_perl(void *data); |
649 | 68 #endif |
599 | 69 |
1257 | 70 static ngx_int_t ngx_http_perl_init_worker(ngx_cycle_t *cycle); |
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71 static void ngx_http_perl_exit(ngx_cycle_t *cycle); |
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72 |
599 | 73 |
74 static ngx_command_t ngx_http_perl_commands[] = { | |
75 | |
76 { ngx_string("perl_modules"), | |
77 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, | |
78 ngx_conf_set_str_slot, | |
79 NGX_HTTP_MAIN_CONF_OFFSET, | |
80 offsetof(ngx_http_perl_main_conf_t, modules), | |
81 NULL }, | |
82 | |
83 { ngx_string("perl_require"), | |
84 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, | |
85 ngx_http_perl_require, | |
86 NGX_HTTP_MAIN_CONF_OFFSET, | |
87 0, | |
88 NULL }, | |
89 | |
90 { ngx_string("perl"), | |
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91 NGX_HTTP_LOC_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1, |
599 | 92 ngx_http_perl, |
93 NGX_HTTP_LOC_CONF_OFFSET, | |
94 0, | |
95 NULL }, | |
96 | |
97 { ngx_string("perl_set"), | |
98 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE2, | |
99 ngx_http_perl_set, | |
100 NGX_HTTP_LOC_CONF_OFFSET, | |
101 0, | |
102 NULL }, | |
103 | |
104 ngx_null_command | |
105 }; | |
106 | |
107 | |
108 static ngx_http_module_t ngx_http_perl_module_ctx = { | |
109 ngx_http_perl_preconfiguration, /* preconfiguration */ | |
110 NULL, /* postconfiguration */ | |
111 | |
112 ngx_http_perl_create_main_conf, /* create main configuration */ | |
113 ngx_http_perl_init_main_conf, /* init main configuration */ | |
114 | |
115 NULL, /* create server configuration */ | |
116 NULL, /* merge server configuration */ | |
117 | |
118 ngx_http_perl_create_loc_conf, /* create location configuration */ | |
119 ngx_http_perl_merge_loc_conf /* merge location configuration */ | |
120 }; | |
121 | |
122 | |
123 ngx_module_t ngx_http_perl_module = { | |
124 NGX_MODULE_V1, | |
125 &ngx_http_perl_module_ctx, /* module context */ | |
126 ngx_http_perl_commands, /* module directives */ | |
127 NGX_HTTP_MODULE, /* module type */ | |
128 NULL, /* init master */ | |
129 NULL, /* init module */ | |
1257 | 130 ngx_http_perl_init_worker, /* init process */ |
599 | 131 NULL, /* init thread */ |
132 NULL, /* exit thread */ | |
133 NULL, /* exit process */ | |
1221
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134 ngx_http_perl_exit, /* exit master */ |
599 | 135 NGX_MODULE_V1_PADDING |
136 }; | |
137 | |
138 | |
617 | 139 #if (NGX_HTTP_SSI) |
140 | |
599 | 141 #define NGX_HTTP_PERL_SSI_SUB 0 |
142 #define NGX_HTTP_PERL_SSI_ARG 1 | |
143 | |
144 | |
145 static ngx_http_ssi_param_t ngx_http_perl_ssi_params[] = { | |
146 { ngx_string("sub"), NGX_HTTP_PERL_SSI_SUB, 1, 0 }, | |
147 { ngx_string("arg"), NGX_HTTP_PERL_SSI_ARG, 0, 1 }, | |
148 { ngx_null_string, 0, 0, 0 } | |
149 }; | |
150 | |
151 static ngx_http_ssi_command_t ngx_http_perl_ssi_command = { | |
667 | 152 ngx_string("perl"), ngx_http_perl_ssi, ngx_http_perl_ssi_params, 0, 0, 1 |
599 | 153 }; |
154 | |
617 | 155 #endif |
156 | |
599 | 157 |
681 | 158 static ngx_str_t ngx_null_name = ngx_null_string; |
159 | |
160 | |
633 | 161 static HV *nginx_stash; |
162 | |
599 | 163 static void |
164 ngx_http_perl_xs_init(pTHX) | |
165 { | |
166 newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, __FILE__); | |
633 | 167 |
168 nginx_stash = gv_stashpv("nginx", TRUE); | |
599 | 169 } |
170 | |
171 | |
172 static ngx_int_t | |
173 ngx_http_perl_handler(ngx_http_request_t *r) | |
174 { | |
629 | 175 /* TODO: Win32 */ |
176 if (r->zero_in_uri) { | |
177 return NGX_HTTP_NOT_FOUND; | |
178 } | |
179 | |
681 | 180 ngx_http_perl_handle_request(r); |
181 | |
182 return NGX_DONE; | |
629 | 183 } |
184 | |
185 | |
681 | 186 void |
629 | 187 ngx_http_perl_handle_request(ngx_http_request_t *r) |
188 { | |
681 | 189 SV *sub; |
599 | 190 ngx_int_t rc; |
681 | 191 ngx_str_t uri, args, *handler; |
599 | 192 ngx_http_perl_ctx_t *ctx; |
193 ngx_http_perl_loc_conf_t *plcf; | |
194 ngx_http_perl_main_conf_t *pmcf; | |
195 | |
196 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl handler"); | |
197 | |
198 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
199 | |
200 if (ctx == NULL) { | |
201 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
202 if (ctx == NULL) { | |
681 | 203 ngx_http_finalize_request(r, NGX_ERROR); |
1025 | 204 return; |
599 | 205 } |
206 | |
207 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
208 } | |
209 | |
210 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); | |
211 | |
212 { | |
213 | |
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214 dTHXa(pmcf->perl); |
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215 PERL_SET_CONTEXT(pmcf->perl); |
599 | 216 |
681 | 217 if (ctx->next == NULL) { |
218 plcf = ngx_http_get_module_loc_conf(r, ngx_http_perl_module); | |
219 sub = plcf->sub; | |
220 handler = &plcf->handler; | |
599 | 221 |
681 | 222 } else { |
223 sub = ctx->next; | |
224 handler = &ngx_null_name; | |
225 ctx->next = NULL; | |
226 } | |
227 | |
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228 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sub, NULL, handler, |
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229 NULL); |
599 | 230 |
231 } | |
232 | |
1702
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233 if (rc == NGX_DONE) { |
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234 return; |
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235 } |
86bb52e28ce0
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Igor Sysoev <igor@sysoev.ru>
parents:
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236 |
599 | 237 if (rc > 600) { |
238 rc = NGX_OK; | |
239 } | |
240 | |
241 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
242 "perl handler done: %i", rc); | |
243 | |
244 if (ctx->redirect_uri.len) { | |
245 uri = ctx->redirect_uri; | |
246 args = ctx->redirect_args; | |
629 | 247 |
248 } else { | |
249 uri.len = 0; | |
599 | 250 } |
251 | |
633 | 252 ctx->filename.data = NULL; |
599 | 253 ctx->redirect_uri.len = 0; |
254 | |
911 | 255 if (ctx->sleep) { |
256 ngx_add_timer(r->connection->write, (ngx_msec_t) ctx->sleep); | |
257 r->write_event_handler = ngx_http_perl_sleep_handler; | |
258 ctx->sleep = 0; | |
259 } | |
260 | |
681 | 261 if (ctx->done || ctx->next) { |
262 return; | |
263 } | |
264 | |
599 | 265 if (uri.len) { |
629 | 266 ngx_http_internal_redirect(r, &uri, &args); |
267 return; | |
599 | 268 } |
269 | |
270 if (rc == NGX_OK || rc == NGX_HTTP_OK) { | |
629 | 271 ngx_http_send_special(r, NGX_HTTP_LAST); |
681 | 272 ctx->done = 1; |
599 | 273 } |
274 | |
629 | 275 ngx_http_finalize_request(r, rc); |
599 | 276 } |
277 | |
278 | |
911 | 279 static void |
280 ngx_http_perl_sleep_handler(ngx_http_request_t *r) | |
281 { | |
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282 ngx_event_t *wev; |
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283 |
911 | 284 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
285 "perl sleep handler"); | |
286 | |
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287 wev = r->connection->write; |
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288 |
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289 if (wev->timedout) { |
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290 wev->timedout = 0; |
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291 ngx_http_perl_handle_request(r); |
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292 return; |
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293 } |
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294 |
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295 if (ngx_handle_write_event(wev, 0) == NGX_ERROR) { |
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296 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
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297 } |
911 | 298 } |
299 | |
300 | |
599 | 301 static ngx_int_t |
302 ngx_http_perl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
303 uintptr_t data) | |
304 { | |
305 ngx_http_perl_variable_t *pv = (ngx_http_perl_variable_t *) data; | |
306 | |
307 ngx_int_t rc; | |
308 ngx_str_t value; | |
309 ngx_http_perl_ctx_t *ctx; | |
310 ngx_http_perl_main_conf_t *pmcf; | |
311 | |
312 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
313 "perl variable handler"); | |
314 | |
315 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
316 | |
317 if (ctx == NULL) { | |
318 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
319 if (ctx == NULL) { | |
320 return NGX_ERROR; | |
321 } | |
322 | |
323 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
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324 } |
599 | 325 |
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326 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); |
599 | 327 |
328 value.data = NULL; | |
329 | |
330 { | |
331 | |
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332 dTHXa(pmcf->perl); |
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333 PERL_SET_CONTEXT(pmcf->perl); |
599 | 334 |
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335 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, pv->sub, NULL, |
599 | 336 &pv->handler, &value); |
337 | |
338 } | |
339 | |
340 if (value.data) { | |
341 v->len = value.len; | |
342 v->valid = 1; | |
1565 | 343 v->no_cacheable = 0; |
599 | 344 v->not_found = 0; |
345 v->data = value.data; | |
346 | |
347 } else { | |
348 v->not_found = 1; | |
349 } | |
350 | |
633 | 351 ctx->filename.data = NULL; |
599 | 352 ctx->redirect_uri.len = 0; |
353 | |
871 | 354 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
355 "perl variable done"); | |
356 | |
599 | 357 return rc; |
358 } | |
359 | |
360 | |
617 | 361 #if (NGX_HTTP_SSI) |
362 | |
599 | 363 static ngx_int_t |
364 ngx_http_perl_ssi(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ssi_ctx, | |
365 ngx_str_t **params) | |
366 { | |
367 SV *sv; | |
368 ngx_int_t rc; | |
369 ngx_str_t *handler; | |
370 ngx_http_perl_ctx_t *ctx; | |
371 ngx_http_perl_main_conf_t *pmcf; | |
372 | |
373 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
374 "perl ssi handler"); | |
375 | |
376 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
377 | |
378 if (ctx == NULL) { | |
379 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
380 if (ctx == NULL) { | |
381 return NGX_ERROR; | |
382 } | |
383 | |
384 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
385 } | |
386 | |
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parents:
871
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387 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); |
599 | 388 |
389 ctx->ssi = ssi_ctx; | |
390 | |
391 handler = params[NGX_HTTP_PERL_SSI_SUB]; | |
392 handler->data[handler->len] = '\0'; | |
393 | |
394 { | |
395 | |
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396 dTHXa(pmcf->perl); |
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parents:
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397 PERL_SET_CONTEXT(pmcf->perl); |
599 | 398 |
651 | 399 #if 0 |
400 | |
401 /* the code is disabled to force the precompiled perl code using only */ | |
402 | |
403 ngx_http_perl_eval_anon_sub(aTHX_ handler, &sv); | |
404 | |
405 if (sv == &PL_sv_undef) { | |
406 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
407 "eval_pv(\"%V\") failed", handler); | |
408 return NGX_ERROR; | |
409 } | |
410 | |
411 if (sv == NULL) { | |
412 sv = newSVpvn((char *) handler->data, handler->len); | |
413 } | |
414 | |
415 #endif | |
416 | |
599 | 417 sv = newSVpvn((char *) handler->data, handler->len); |
418 | |
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parents:
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419 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sv, |
f92ad15c2db1
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Igor Sysoev <igor@sysoev.ru>
parents:
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420 ¶ms[NGX_HTTP_PERL_SSI_ARG], |
599 | 421 handler, NULL); |
422 | |
423 SvREFCNT_dec(sv); | |
424 | |
425 } | |
426 | |
633 | 427 ctx->filename.data = NULL; |
599 | 428 ctx->redirect_uri.len = 0; |
429 ctx->ssi = NULL; | |
430 | |
871 | 431 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl ssi done"); |
432 | |
599 | 433 return rc; |
434 } | |
435 | |
617 | 436 #endif |
437 | |
599 | 438 |
439 static char * | |
440 ngx_http_perl_init_interpreter(ngx_conf_t *cf, ngx_http_perl_main_conf_t *pmcf) | |
441 { | |
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442 #if (NGX_HAVE_PERL_MULTIPLICITY) |
653 | 443 ngx_pool_cleanup_t *cln; |
599 | 444 |
445 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
446 if (cln == NULL) { | |
447 return NGX_CONF_ERROR; | |
448 } | |
449 | |
649 | 450 #else |
451 static PerlInterpreter *perl; | |
452 #endif | |
453 | |
599 | 454 #ifdef NGX_PERL_MODULES |
455 if (pmcf->modules.data == NULL) { | |
456 pmcf->modules.data = NGX_PERL_MODULES; | |
457 } | |
458 #endif | |
459 | |
639 | 460 if (pmcf->modules.data) { |
1352 | 461 if (ngx_conf_full_name(cf->cycle, &pmcf->modules, 0) != NGX_OK) { |
639 | 462 return NGX_CONF_ERROR; |
463 } | |
629 | 464 } |
465 | |
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466 #if !(NGX_HAVE_PERL_MULTIPLICITY) |
649 | 467 |
468 if (perl) { | |
1165 | 469 |
470 if (ngx_set_environment(cf->cycle, NULL) == NULL) { | |
471 return NGX_CONF_ERROR; | |
472 } | |
473 | |
653 | 474 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, cf->log) |
475 != NGX_OK) | |
476 { | |
649 | 477 return NGX_CONF_ERROR; |
478 } | |
479 | |
480 pmcf->perl = perl; | |
1163
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481 pmcf->nginx = nginx_stash; |
649 | 482 |
483 return NGX_CONF_OK; | |
484 } | |
485 | |
486 #endif | |
487 | |
1221
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488 if (nginx_stash == NULL) { |
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489 PERL_SYS_INIT(&ngx_argc, &ngx_argv); |
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490 } |
599 | 491 |
1069 | 492 pmcf->perl = ngx_http_perl_create_interpreter(cf, pmcf); |
599 | 493 |
494 if (pmcf->perl == NULL) { | |
495 return NGX_CONF_ERROR; | |
496 } | |
497 | |
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498 pmcf->nginx = nginx_stash; |
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499 |
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500 #if (NGX_HAVE_PERL_MULTIPLICITY) |
649 | 501 |
599 | 502 cln->handler = ngx_http_perl_cleanup_perl; |
503 cln->data = pmcf->perl; | |
504 | |
649 | 505 #else |
506 | |
507 perl = pmcf->perl; | |
508 | |
509 #endif | |
510 | |
599 | 511 return NGX_CONF_OK; |
512 } | |
513 | |
514 | |
515 static PerlInterpreter * | |
1069 | 516 ngx_http_perl_create_interpreter(ngx_conf_t *cf, |
517 ngx_http_perl_main_conf_t *pmcf) | |
599 | 518 { |
519 int n; | |
775 | 520 STRLEN len; |
521 SV *sv; | |
522 char *ver, *embedding[6]; | |
599 | 523 PerlInterpreter *perl; |
524 | |
1069 | 525 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cf->log, 0, "create perl interpreter"); |
526 | |
527 if (ngx_set_environment(cf->cycle, NULL) == NULL) { | |
528 return NULL; | |
529 } | |
599 | 530 |
531 perl = perl_alloc(); | |
532 if (perl == NULL) { | |
1069 | 533 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "perl_alloc() failed"); |
599 | 534 return NULL; |
535 } | |
536 | |
537 { | |
538 | |
539 dTHXa(perl); | |
873
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540 PERL_SET_CONTEXT(perl); |
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541 |
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542 perl_construct(perl); |
599 | 543 |
544 #ifdef PERL_EXIT_DESTRUCT_END | |
545 PL_exit_flags |= PERL_EXIT_DESTRUCT_END; | |
546 #endif | |
547 | |
548 embedding[0] = ""; | |
549 | |
550 if (pmcf->modules.data) { | |
551 embedding[1] = "-I"; | |
552 embedding[2] = (char *) pmcf->modules.data; | |
553 n = 3; | |
554 | |
555 } else { | |
556 n = 1; | |
557 } | |
558 | |
559 embedding[n++] = "-Mnginx"; | |
560 embedding[n++] = "-e"; | |
561 embedding[n++] = "0"; | |
562 | |
563 n = perl_parse(perl, ngx_http_perl_xs_init, n, embedding, NULL); | |
564 | |
565 if (n != 0) { | |
1069 | 566 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "perl_parse() failed: %d", n); |
599 | 567 goto fail; |
568 } | |
569 | |
775 | 570 sv = get_sv("nginx::VERSION", FALSE); |
571 ver = SvPV(sv, len); | |
572 | |
573 if (ngx_strcmp(ver, NGINX_VERSION) != 0) { | |
1069 | 574 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, |
775 | 575 "version " NGINX_VERSION " of nginx.pm is required, " |
576 "but %s was found", ver); | |
577 goto fail; | |
578 } | |
579 | |
1069 | 580 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, cf->log) != NGX_OK) { |
649 | 581 goto fail; |
599 | 582 } |
583 | |
584 } | |
585 | |
586 return perl; | |
587 | |
588 fail: | |
589 | |
590 (void) perl_destruct(perl); | |
591 | |
592 perl_free(perl); | |
593 | |
594 return NULL; | |
595 } | |
596 | |
597 | |
649 | 598 static ngx_int_t |
653 | 599 ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, ngx_log_t *log) |
649 | 600 { |
601 char **script; | |
602 STRLEN len; | |
603 ngx_str_t err; | |
604 ngx_uint_t i; | |
605 | |
606 script = requires->elts; | |
607 for (i = 0; i < requires->nelts; i++) { | |
608 | |
609 require_pv(script[i]); | |
610 | |
611 if (SvTRUE(ERRSV)) { | |
612 | |
613 err.data = (u_char *) SvPV(ERRSV, len); | |
614 for (len--; err.data[len] == LF || err.data[len] == CR; len--) { | |
615 /* void */ | |
616 } | |
617 err.len = len + 1; | |
618 | |
619 ngx_log_error(NGX_LOG_EMERG, log, 0, | |
620 "require_pv(\"%s\") failed: \"%V\"", script[i], &err); | |
621 | |
622 return NGX_ERROR; | |
623 } | |
624 } | |
625 | |
626 return NGX_OK; | |
627 } | |
628 | |
629 | |
599 | 630 static ngx_int_t |
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631 ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, HV *nginx, SV *sub, |
599 | 632 ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv) |
633 { | |
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634 SV *sv; |
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635 int n, status; |
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636 char *line; |
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637 STRLEN len, n_a; |
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638 ngx_str_t err; |
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639 ngx_uint_t i; |
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640 ngx_connection_t *c; |
599 | 641 |
642 dSP; | |
643 | |
644 status = 0; | |
645 | |
646 ENTER; | |
647 SAVETMPS; | |
648 | |
649 PUSHMARK(sp); | |
650 | |
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651 sv = sv_2mortal(sv_bless(newRV_noinc(newSViv(PTR2IV(r))), nginx)); |
599 | 652 XPUSHs(sv); |
653 | |
654 if (args) { | |
655 for (i = 0; args[i]; i++) { /* void */ } | |
656 | |
657 EXTEND(sp, (int) i); | |
658 | |
659 for (i = 0; args[i]; i++) { | |
660 PUSHs(sv_2mortal(newSVpvn((char *) args[i]->data, args[i]->len))); | |
661 } | |
662 } | |
663 | |
664 PUTBACK; | |
665 | |
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666 c = r->connection; |
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667 |
599 | 668 n = call_sv(sub, G_EVAL); |
669 | |
670 SPAGAIN; | |
671 | |
1702
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672 if (c->destroyed) { |
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673 PUTBACK; |
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674 |
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675 FREETMPS; |
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676 LEAVE; |
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677 |
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678 return NGX_DONE; |
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679 } |
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680 |
599 | 681 if (n) { |
682 if (rv == NULL) { | |
683 status = POPi; | |
684 | |
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685 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
599 | 686 "call_sv: %d", status); |
687 | |
688 } else { | |
619 | 689 line = SvPVx(POPs, n_a); |
599 | 690 rv->len = n_a; |
691 | |
692 rv->data = ngx_palloc(r->pool, n_a); | |
693 if (rv->data == NULL) { | |
694 return NGX_ERROR; | |
695 } | |
696 | |
697 ngx_memcpy(rv->data, line, n_a); | |
698 } | |
699 } | |
700 | |
701 PUTBACK; | |
702 | |
703 FREETMPS; | |
704 LEAVE; | |
705 | |
706 /* check $@ */ | |
707 | |
708 if (SvTRUE(ERRSV)) { | |
709 | |
710 err.data = (u_char *) SvPV(ERRSV, len); | |
711 for (len--; err.data[len] == LF || err.data[len] == CR; len--) { | |
712 /* void */ | |
713 } | |
714 err.len = len + 1; | |
715 | |
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716 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
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717 "call_sv(\"%V\") failed: \"%V\"", handler, &err); |
599 | 718 |
719 if (rv) { | |
720 return NGX_ERROR; | |
721 } | |
722 | |
723 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
724 } | |
725 | |
726 if (n != 1) { | |
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727 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
599 | 728 "call_sv(\"%V\") returned %d results", handler, n); |
729 status = NGX_OK; | |
730 } | |
731 | |
732 if (rv) { | |
733 return NGX_OK; | |
734 } | |
735 | |
736 return (ngx_int_t) status; | |
737 } | |
738 | |
739 | |
740 static void | |
741 ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv) | |
742 { | |
623 | 743 u_char *p; |
744 | |
745 for (p = handler->data; *p; p++) { | |
746 if (*p != ' ' && *p != '\t' && *p != CR && *p != LF) { | |
747 break; | |
748 } | |
749 } | |
750 | |
649 | 751 if (ngx_strncmp(p, "sub ", 4) == 0 || ngx_strncmp(p, "use ", 4) == 0) { |
623 | 752 *sv = eval_pv((char *) p, FALSE); |
874 | 753 |
754 /* eval_pv() does not set ERRSV on failure */ | |
755 | |
599 | 756 return; |
757 } | |
758 | |
759 *sv = NULL; | |
760 } | |
761 | |
762 | |
763 static void * | |
764 ngx_http_perl_create_main_conf(ngx_conf_t *cf) | |
765 { | |
766 ngx_http_perl_main_conf_t *pmcf; | |
767 | |
768 pmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_main_conf_t)); | |
769 if (pmcf == NULL) { | |
770 return NGX_CONF_ERROR; | |
771 } | |
772 | |
773 if (ngx_array_init(&pmcf->requires, cf->pool, 1, sizeof(u_char *)) | |
774 != NGX_OK) | |
775 { | |
776 return NULL; | |
777 } | |
778 | |
779 return pmcf; | |
780 } | |
781 | |
782 | |
783 static char * | |
784 ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf) | |
785 { | |
786 ngx_http_perl_main_conf_t *pmcf = conf; | |
787 | |
788 if (pmcf->perl == NULL) { | |
789 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
790 return NGX_CONF_ERROR; | |
791 } | |
792 } | |
793 | |
794 return NGX_CONF_OK; | |
795 } | |
796 | |
797 | |
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798 #if (NGX_HAVE_PERL_MULTIPLICITY) |
649 | 799 |
599 | 800 static void |
801 ngx_http_perl_cleanup_perl(void *data) | |
802 { | |
649 | 803 PerlInterpreter *perl = data; |
599 | 804 |
873
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805 PERL_SET_CONTEXT(perl); |
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806 |
599 | 807 (void) perl_destruct(perl); |
808 | |
809 perl_free(perl); | |
810 } | |
811 | |
649 | 812 #endif |
813 | |
814 | |
599 | 815 static ngx_int_t |
816 ngx_http_perl_preconfiguration(ngx_conf_t *cf) | |
817 { | |
617 | 818 #if (NGX_HTTP_SSI) |
599 | 819 ngx_int_t rc; |
820 ngx_http_ssi_main_conf_t *smcf; | |
821 | |
822 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module); | |
823 | |
824 rc = ngx_hash_add_key(&smcf->commands, &ngx_http_perl_ssi_command.name, | |
825 &ngx_http_perl_ssi_command, NGX_HASH_READONLY_KEY); | |
826 | |
827 if (rc != NGX_OK) { | |
828 if (rc == NGX_BUSY) { | |
829 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
830 "conflicting SSI command \"%V\"", | |
831 &ngx_http_perl_ssi_command.name); | |
832 } | |
833 | |
834 return NGX_ERROR; | |
835 } | |
617 | 836 #endif |
599 | 837 |
838 return NGX_OK; | |
839 } | |
840 | |
841 | |
842 static void * | |
843 ngx_http_perl_create_loc_conf(ngx_conf_t *cf) | |
844 { | |
845 ngx_http_perl_loc_conf_t *plcf; | |
846 | |
847 plcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_loc_conf_t)); | |
848 if (plcf == NULL) { | |
849 return NGX_CONF_ERROR; | |
850 } | |
851 | |
852 /* | |
853 * set by ngx_pcalloc(): | |
854 * | |
855 * plcf->handler = { 0, NULL }; | |
856 */ | |
857 | |
858 return plcf; | |
859 } | |
860 | |
861 | |
862 static char * | |
863 ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
864 { | |
865 ngx_http_perl_loc_conf_t *prev = parent; | |
866 ngx_http_perl_loc_conf_t *conf = child; | |
867 | |
868 if (conf->sub == NULL) { | |
869 conf->sub = prev->sub; | |
870 conf->handler = prev->handler; | |
871 } | |
872 | |
873 return NGX_CONF_OK; | |
874 } | |
875 | |
876 | |
877 static char * | |
878 ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
879 { | |
880 ngx_http_perl_main_conf_t *pmcf = conf; | |
881 | |
882 u_char **p; | |
883 ngx_str_t *value; | |
884 | |
885 value = cf->args->elts; | |
886 | |
887 p = ngx_array_push(&pmcf->requires); | |
888 | |
889 if (p == NULL) { | |
890 return NGX_CONF_ERROR; | |
891 } | |
892 | |
893 *p = value[1].data; | |
894 | |
895 return NGX_CONF_OK; | |
896 } | |
897 | |
898 | |
899 static char * | |
900 ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
901 { | |
902 ngx_http_perl_loc_conf_t *plcf = conf; | |
903 | |
904 ngx_str_t *value; | |
905 ngx_http_core_loc_conf_t *clcf; | |
906 ngx_http_perl_main_conf_t *pmcf; | |
907 | |
908 value = cf->args->elts; | |
909 | |
910 if (plcf->handler.data) { | |
911 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
912 "duplicate perl handler \"%V\"", &value[1]); | |
913 return NGX_CONF_ERROR; | |
914 } | |
915 | |
916 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
917 | |
918 if (pmcf->perl == NULL) { | |
919 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
920 return NGX_CONF_ERROR; | |
921 } | |
922 } | |
923 | |
924 plcf->handler = value[1]; | |
925 | |
926 { | |
927 | |
928 dTHXa(pmcf->perl); | |
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929 PERL_SET_CONTEXT(pmcf->perl); |
599 | 930 |
931 ngx_http_perl_eval_anon_sub(aTHX_ &value[1], &plcf->sub); | |
932 | |
933 if (plcf->sub == &PL_sv_undef) { | |
934 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
935 "eval_pv(\"%V\") failed", &value[1]); | |
936 return NGX_CONF_ERROR; | |
937 } | |
938 | |
939 if (plcf->sub == NULL) { | |
940 plcf->sub = newSVpvn((char *) value[1].data, value[1].len); | |
941 } | |
942 | |
943 } | |
944 | |
945 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
946 clcf->handler = ngx_http_perl_handler; | |
947 | |
948 return NGX_CONF_OK; | |
949 } | |
950 | |
951 | |
952 static char * | |
953 ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
954 { | |
955 ngx_int_t index; | |
956 ngx_str_t *value; | |
957 ngx_http_variable_t *v; | |
958 ngx_http_perl_variable_t *pv; | |
959 ngx_http_perl_main_conf_t *pmcf; | |
960 | |
961 value = cf->args->elts; | |
962 | |
963 if (value[1].data[0] != '$') { | |
964 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
965 "invalid variable name \"%V\"", &value[1]); | |
966 return NGX_CONF_ERROR; | |
967 } | |
968 | |
969 value[1].len--; | |
970 value[1].data++; | |
971 | |
1565 | 972 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGEABLE); |
599 | 973 if (v == NULL) { |
974 return NGX_CONF_ERROR; | |
975 } | |
976 | |
977 pv = ngx_palloc(cf->pool, sizeof(ngx_http_perl_variable_t)); | |
978 if (pv == NULL) { | |
979 return NGX_CONF_ERROR; | |
980 } | |
981 | |
982 index = ngx_http_get_variable_index(cf, &value[1]); | |
983 if (index == NGX_ERROR) { | |
984 return NGX_CONF_ERROR; | |
985 } | |
986 | |
987 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
988 | |
989 if (pmcf->perl == NULL) { | |
990 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
991 return NGX_CONF_ERROR; | |
992 } | |
993 } | |
994 | |
995 pv->handler = value[2]; | |
996 | |
997 { | |
998 | |
999 dTHXa(pmcf->perl); | |
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1000 PERL_SET_CONTEXT(pmcf->perl); |
599 | 1001 |
1002 ngx_http_perl_eval_anon_sub(aTHX_ &value[2], &pv->sub); | |
1003 | |
1004 if (pv->sub == &PL_sv_undef) { | |
1005 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
1006 "eval_pv(\"%V\") failed", &value[2]); | |
1007 return NGX_CONF_ERROR; | |
1008 } | |
1009 | |
1010 if (pv->sub == NULL) { | |
1011 pv->sub = newSVpvn((char *) value[2].data, value[2].len); | |
1012 } | |
1013 | |
1014 } | |
1015 | |
637 | 1016 v->get_handler = ngx_http_perl_variable; |
599 | 1017 v->data = (uintptr_t) pv; |
1018 | |
1019 return NGX_CONF_OK; | |
1020 } | |
1221
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1021 |
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1022 |
1257 | 1023 static ngx_int_t |
1024 ngx_http_perl_init_worker(ngx_cycle_t *cycle) | |
1025 { | |
1258
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1026 ngx_http_perl_main_conf_t *pmcf; |
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1027 |
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1028 pmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_perl_module); |
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1029 |
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1030 { |
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1031 |
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1032 dTHXa(pmcf->perl); |
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1033 PERL_SET_CONTEXT(pmcf->perl); |
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1034 |
1257 | 1035 /* set worker's $$ */ |
1036 | |
1037 sv_setiv(GvSV(gv_fetchpv("$", TRUE, SVt_PV)), (I32) ngx_pid); | |
1038 | |
1258
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1039 } |
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1040 |
1257 | 1041 return NGX_OK; |
1042 } | |
1043 | |
1221
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parents:
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1044 static void |
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1045 ngx_http_perl_exit(ngx_cycle_t *cycle) |
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1046 { |
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1047 PERL_SYS_TERM(); |
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1048 } |