Mercurial > hg > nginx
annotate src/http/modules/perl/ngx_http_perl_module.c @ 3780:d94d7104f598
change order of limit_req lookup result processing
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Thu, 14 Oct 2010 09:20:01 +0000 |
parents | 84905c7b2aa7 |
children | d620f497c50f |
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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15 HV *nginx; |
3175 | 16 ngx_array_t *modules; |
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17 ngx_array_t *requires; |
599 | 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 | |
617 | 33 #if (NGX_HTTP_SSI) |
599 | 34 static ngx_int_t ngx_http_perl_ssi(ngx_http_request_t *r, |
35 ngx_http_ssi_ctx_t *ssi_ctx, ngx_str_t **params); | |
617 | 36 #endif |
37 | |
599 | 38 static char *ngx_http_perl_init_interpreter(ngx_conf_t *cf, |
39 ngx_http_perl_main_conf_t *pmcf); | |
1069 | 40 static PerlInterpreter *ngx_http_perl_create_interpreter(ngx_conf_t *cf, |
41 ngx_http_perl_main_conf_t *pmcf); | |
653 | 42 static ngx_int_t ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, |
649 | 43 ngx_log_t *log); |
599 | 44 static ngx_int_t ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, |
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45 HV *nginx, SV *sub, SV **args, ngx_str_t *handler, ngx_str_t *rv); |
599 | 46 static void ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv); |
47 | |
48 static ngx_int_t ngx_http_perl_preconfiguration(ngx_conf_t *cf); | |
49 static void *ngx_http_perl_create_main_conf(ngx_conf_t *cf); | |
50 static char *ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf); | |
51 static void *ngx_http_perl_create_loc_conf(ngx_conf_t *cf); | |
52 static char *ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, | |
53 void *child); | |
54 static char *ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
55 static char *ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
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56 |
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57 #if (NGX_HAVE_PERL_MULTIPLICITY) |
599 | 58 static void ngx_http_perl_cleanup_perl(void *data); |
649 | 59 #endif |
599 | 60 |
1257 | 61 static ngx_int_t ngx_http_perl_init_worker(ngx_cycle_t *cycle); |
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62 static void ngx_http_perl_exit(ngx_cycle_t *cycle); |
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63 |
599 | 64 |
65 static ngx_command_t ngx_http_perl_commands[] = { | |
66 | |
67 { ngx_string("perl_modules"), | |
68 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, | |
3175 | 69 ngx_conf_set_str_array_slot, |
599 | 70 NGX_HTTP_MAIN_CONF_OFFSET, |
71 offsetof(ngx_http_perl_main_conf_t, modules), | |
72 NULL }, | |
73 | |
74 { ngx_string("perl_require"), | |
75 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, | |
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76 ngx_conf_set_str_array_slot, |
599 | 77 NGX_HTTP_MAIN_CONF_OFFSET, |
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78 offsetof(ngx_http_perl_main_conf_t, requires), |
599 | 79 NULL }, |
80 | |
81 { ngx_string("perl"), | |
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82 NGX_HTTP_LOC_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1, |
599 | 83 ngx_http_perl, |
84 NGX_HTTP_LOC_CONF_OFFSET, | |
85 0, | |
86 NULL }, | |
87 | |
88 { ngx_string("perl_set"), | |
89 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE2, | |
90 ngx_http_perl_set, | |
91 NGX_HTTP_LOC_CONF_OFFSET, | |
92 0, | |
93 NULL }, | |
94 | |
95 ngx_null_command | |
96 }; | |
97 | |
98 | |
99 static ngx_http_module_t ngx_http_perl_module_ctx = { | |
100 ngx_http_perl_preconfiguration, /* preconfiguration */ | |
101 NULL, /* postconfiguration */ | |
102 | |
103 ngx_http_perl_create_main_conf, /* create main configuration */ | |
104 ngx_http_perl_init_main_conf, /* init main configuration */ | |
105 | |
106 NULL, /* create server configuration */ | |
107 NULL, /* merge server configuration */ | |
108 | |
109 ngx_http_perl_create_loc_conf, /* create location configuration */ | |
110 ngx_http_perl_merge_loc_conf /* merge location configuration */ | |
111 }; | |
112 | |
113 | |
114 ngx_module_t ngx_http_perl_module = { | |
115 NGX_MODULE_V1, | |
116 &ngx_http_perl_module_ctx, /* module context */ | |
117 ngx_http_perl_commands, /* module directives */ | |
118 NGX_HTTP_MODULE, /* module type */ | |
119 NULL, /* init master */ | |
120 NULL, /* init module */ | |
1257 | 121 ngx_http_perl_init_worker, /* init process */ |
599 | 122 NULL, /* init thread */ |
123 NULL, /* exit thread */ | |
124 NULL, /* exit process */ | |
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125 ngx_http_perl_exit, /* exit master */ |
599 | 126 NGX_MODULE_V1_PADDING |
127 }; | |
128 | |
129 | |
617 | 130 #if (NGX_HTTP_SSI) |
131 | |
599 | 132 #define NGX_HTTP_PERL_SSI_SUB 0 |
133 #define NGX_HTTP_PERL_SSI_ARG 1 | |
134 | |
135 | |
136 static ngx_http_ssi_param_t ngx_http_perl_ssi_params[] = { | |
137 { ngx_string("sub"), NGX_HTTP_PERL_SSI_SUB, 1, 0 }, | |
138 { ngx_string("arg"), NGX_HTTP_PERL_SSI_ARG, 0, 1 }, | |
139 { ngx_null_string, 0, 0, 0 } | |
140 }; | |
141 | |
142 static ngx_http_ssi_command_t ngx_http_perl_ssi_command = { | |
667 | 143 ngx_string("perl"), ngx_http_perl_ssi, ngx_http_perl_ssi_params, 0, 0, 1 |
599 | 144 }; |
145 | |
617 | 146 #endif |
147 | |
599 | 148 |
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149 static ngx_str_t ngx_null_name = ngx_null_string; |
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150 static HV *nginx_stash; |
681 | 151 |
2715 | 152 #if (NGX_HAVE_PERL_MULTIPLICITY) |
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153 static ngx_uint_t ngx_perl_term; |
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154 #else |
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155 static PerlInterpreter *perl; |
2715 | 156 #endif |
681 | 157 |
633 | 158 |
599 | 159 static void |
160 ngx_http_perl_xs_init(pTHX) | |
161 { | |
162 newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, __FILE__); | |
633 | 163 |
164 nginx_stash = gv_stashpv("nginx", TRUE); | |
599 | 165 } |
166 | |
167 | |
168 static ngx_int_t | |
169 ngx_http_perl_handler(ngx_http_request_t *r) | |
170 { | |
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171 r->main->count++; |
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172 |
681 | 173 ngx_http_perl_handle_request(r); |
174 | |
175 return NGX_DONE; | |
629 | 176 } |
177 | |
178 | |
681 | 179 void |
629 | 180 ngx_http_perl_handle_request(ngx_http_request_t *r) |
181 { | |
681 | 182 SV *sub; |
599 | 183 ngx_int_t rc; |
681 | 184 ngx_str_t uri, args, *handler; |
599 | 185 ngx_http_perl_ctx_t *ctx; |
186 ngx_http_perl_loc_conf_t *plcf; | |
187 ngx_http_perl_main_conf_t *pmcf; | |
188 | |
189 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl handler"); | |
190 | |
191 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
192 | |
193 if (ctx == NULL) { | |
194 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
195 if (ctx == NULL) { | |
681 | 196 ngx_http_finalize_request(r, NGX_ERROR); |
1025 | 197 return; |
599 | 198 } |
199 | |
200 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
201 } | |
202 | |
203 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); | |
204 | |
205 { | |
206 | |
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207 dTHXa(pmcf->perl); |
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208 PERL_SET_CONTEXT(pmcf->perl); |
599 | 209 |
681 | 210 if (ctx->next == NULL) { |
211 plcf = ngx_http_get_module_loc_conf(r, ngx_http_perl_module); | |
212 sub = plcf->sub; | |
213 handler = &plcf->handler; | |
599 | 214 |
681 | 215 } else { |
216 sub = ctx->next; | |
217 handler = &ngx_null_name; | |
218 ctx->next = NULL; | |
219 } | |
220 | |
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221 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sub, NULL, handler, |
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222 NULL); |
599 | 223 |
224 } | |
225 | |
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226 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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227 "perl handler done: %i", rc); |
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228 |
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229 if (rc == NGX_DONE) { |
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230 ngx_http_finalize_request(r, rc); |
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231 return; |
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232 } |
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233 |
599 | 234 if (rc > 600) { |
235 rc = NGX_OK; | |
236 } | |
237 | |
238 if (ctx->redirect_uri.len) { | |
239 uri = ctx->redirect_uri; | |
240 args = ctx->redirect_args; | |
629 | 241 |
242 } else { | |
243 uri.len = 0; | |
599 | 244 } |
245 | |
633 | 246 ctx->filename.data = NULL; |
599 | 247 ctx->redirect_uri.len = 0; |
248 | |
681 | 249 if (ctx->done || ctx->next) { |
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250 ngx_http_finalize_request(r, NGX_DONE); |
681 | 251 return; |
252 } | |
253 | |
599 | 254 if (uri.len) { |
629 | 255 ngx_http_internal_redirect(r, &uri, &args); |
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256 ngx_http_finalize_request(r, NGX_DONE); |
629 | 257 return; |
599 | 258 } |
259 | |
260 if (rc == NGX_OK || rc == NGX_HTTP_OK) { | |
629 | 261 ngx_http_send_special(r, NGX_HTTP_LAST); |
681 | 262 ctx->done = 1; |
599 | 263 } |
264 | |
629 | 265 ngx_http_finalize_request(r, rc); |
599 | 266 } |
267 | |
268 | |
1897 | 269 void |
911 | 270 ngx_http_perl_sleep_handler(ngx_http_request_t *r) |
271 { | |
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272 ngx_event_t *wev; |
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273 |
911 | 274 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
275 "perl sleep handler"); | |
276 | |
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277 wev = r->connection->write; |
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278 |
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279 if (wev->timedout) { |
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280 wev->timedout = 0; |
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281 ngx_http_perl_handle_request(r); |
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282 return; |
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283 } |
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284 |
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285 if (ngx_handle_write_event(wev, 0) != NGX_OK) { |
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286 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
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287 } |
911 | 288 } |
289 | |
290 | |
599 | 291 static ngx_int_t |
292 ngx_http_perl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
293 uintptr_t data) | |
294 { | |
295 ngx_http_perl_variable_t *pv = (ngx_http_perl_variable_t *) data; | |
296 | |
297 ngx_int_t rc; | |
298 ngx_str_t value; | |
299 ngx_http_perl_ctx_t *ctx; | |
300 ngx_http_perl_main_conf_t *pmcf; | |
301 | |
302 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
303 "perl variable handler"); | |
304 | |
305 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
306 | |
307 if (ctx == NULL) { | |
308 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
309 if (ctx == NULL) { | |
310 return NGX_ERROR; | |
311 } | |
312 | |
313 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
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314 } |
599 | 315 |
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316 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); |
599 | 317 |
318 value.data = NULL; | |
319 | |
320 { | |
321 | |
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322 dTHXa(pmcf->perl); |
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323 PERL_SET_CONTEXT(pmcf->perl); |
599 | 324 |
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325 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, pv->sub, NULL, |
599 | 326 &pv->handler, &value); |
327 | |
328 } | |
329 | |
330 if (value.data) { | |
331 v->len = value.len; | |
332 v->valid = 1; | |
1565 | 333 v->no_cacheable = 0; |
599 | 334 v->not_found = 0; |
335 v->data = value.data; | |
336 | |
337 } else { | |
338 v->not_found = 1; | |
339 } | |
340 | |
633 | 341 ctx->filename.data = NULL; |
599 | 342 ctx->redirect_uri.len = 0; |
343 | |
871 | 344 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
345 "perl variable done"); | |
346 | |
599 | 347 return rc; |
348 } | |
349 | |
350 | |
617 | 351 #if (NGX_HTTP_SSI) |
352 | |
599 | 353 static ngx_int_t |
354 ngx_http_perl_ssi(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ssi_ctx, | |
355 ngx_str_t **params) | |
356 { | |
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357 SV *sv, **asv; |
599 | 358 ngx_int_t rc; |
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359 ngx_str_t *handler, **args; |
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360 ngx_uint_t i; |
599 | 361 ngx_http_perl_ctx_t *ctx; |
362 ngx_http_perl_main_conf_t *pmcf; | |
363 | |
364 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
365 "perl ssi handler"); | |
366 | |
367 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
368 | |
369 if (ctx == NULL) { | |
370 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
371 if (ctx == NULL) { | |
372 return NGX_ERROR; | |
373 } | |
374 | |
375 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
376 } | |
377 | |
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378 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); |
599 | 379 |
380 ctx->ssi = ssi_ctx; | |
381 | |
382 handler = params[NGX_HTTP_PERL_SSI_SUB]; | |
383 handler->data[handler->len] = '\0'; | |
384 | |
385 { | |
386 | |
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387 dTHXa(pmcf->perl); |
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388 PERL_SET_CONTEXT(pmcf->perl); |
599 | 389 |
651 | 390 #if 0 |
391 | |
392 /* the code is disabled to force the precompiled perl code using only */ | |
393 | |
394 ngx_http_perl_eval_anon_sub(aTHX_ handler, &sv); | |
395 | |
396 if (sv == &PL_sv_undef) { | |
397 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
398 "eval_pv(\"%V\") failed", handler); | |
399 return NGX_ERROR; | |
400 } | |
401 | |
402 if (sv == NULL) { | |
403 sv = newSVpvn((char *) handler->data, handler->len); | |
404 } | |
405 | |
406 #endif | |
407 | |
599 | 408 sv = newSVpvn((char *) handler->data, handler->len); |
409 | |
1899
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410 args = ¶ms[NGX_HTTP_PERL_SSI_ARG]; |
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411 |
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412 if (args) { |
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413 |
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414 for (i = 0; args[i]; i++) { /* void */ } |
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415 |
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416 asv = ngx_pcalloc(r->pool, (i + 1) * sizeof(SV *)); |
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diff
changeset
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417 |
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418 if (asv == NULL) { |
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419 SvREFCNT_dec(sv); |
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420 return NGX_ERROR; |
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421 } |
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422 |
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423 asv[0] = (SV *) i; |
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424 |
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425 for (i = 0; args[i]; i++) { |
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426 asv[i + 1] = newSVpvn((char *) args[i]->data, args[i]->len); |
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427 } |
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428 |
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429 } else { |
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430 asv = NULL; |
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431 } |
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432 |
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433 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sv, asv, handler, |
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434 NULL); |
599 | 435 |
436 SvREFCNT_dec(sv); | |
437 | |
438 } | |
439 | |
633 | 440 ctx->filename.data = NULL; |
599 | 441 ctx->redirect_uri.len = 0; |
442 ctx->ssi = NULL; | |
443 | |
871 | 444 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl ssi done"); |
445 | |
599 | 446 return rc; |
447 } | |
448 | |
617 | 449 #endif |
450 | |
599 | 451 |
452 static char * | |
453 ngx_http_perl_init_interpreter(ngx_conf_t *cf, ngx_http_perl_main_conf_t *pmcf) | |
454 { | |
3350
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455 ngx_str_t *m; |
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456 ngx_uint_t i; |
872
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457 #if (NGX_HAVE_PERL_MULTIPLICITY) |
3350
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458 ngx_pool_cleanup_t *cln; |
599 | 459 |
460 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
461 if (cln == NULL) { | |
462 return NGX_CONF_ERROR; | |
463 } | |
464 | |
649 | 465 #endif |
466 | |
599 | 467 #ifdef NGX_PERL_MODULES |
3175 | 468 if (pmcf->modules == NGX_CONF_UNSET_PTR) { |
469 | |
470 pmcf->modules = ngx_array_create(cf->pool, 1, sizeof(ngx_str_t)); | |
471 if (pmcf->modules == NULL) { | |
472 return NGX_CONF_ERROR; | |
473 } | |
474 | |
475 m = ngx_array_push(pmcf->modules); | |
476 if (m == NULL) { | |
477 return NGX_CONF_ERROR; | |
478 } | |
479 | |
3516
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480 ngx_str_set(m, NGX_PERL_MODULES); |
599 | 481 } |
482 #endif | |
483 | |
3175 | 484 if (pmcf->modules != NGX_CONF_UNSET_PTR) { |
485 m = pmcf->modules->elts; | |
486 for (i = 0; i < pmcf->modules->nelts; i++) { | |
487 if (ngx_conf_full_name(cf->cycle, &m[i], 0) != NGX_OK) { | |
488 return NGX_CONF_ERROR; | |
489 } | |
639 | 490 } |
629 | 491 } |
492 | |
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493 #if !(NGX_HAVE_PERL_MULTIPLICITY) |
649 | 494 |
495 if (perl) { | |
1165 | 496 |
497 if (ngx_set_environment(cf->cycle, NULL) == NULL) { | |
498 return NGX_CONF_ERROR; | |
499 } | |
500 | |
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501 if (ngx_http_perl_run_requires(aTHX_ pmcf->requires, cf->log) |
653 | 502 != NGX_OK) |
503 { | |
649 | 504 return NGX_CONF_ERROR; |
505 } | |
506 | |
507 pmcf->perl = perl; | |
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508 pmcf->nginx = nginx_stash; |
649 | 509 |
510 return NGX_CONF_OK; | |
511 } | |
512 | |
513 #endif | |
514 | |
1221
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515 if (nginx_stash == NULL) { |
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516 PERL_SYS_INIT(&ngx_argc, &ngx_argv); |
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517 } |
599 | 518 |
1069 | 519 pmcf->perl = ngx_http_perl_create_interpreter(cf, pmcf); |
599 | 520 |
521 if (pmcf->perl == NULL) { | |
522 return NGX_CONF_ERROR; | |
523 } | |
524 | |
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525 pmcf->nginx = nginx_stash; |
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526 |
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527 #if (NGX_HAVE_PERL_MULTIPLICITY) |
649 | 528 |
599 | 529 cln->handler = ngx_http_perl_cleanup_perl; |
530 cln->data = pmcf->perl; | |
531 | |
649 | 532 #else |
533 | |
534 perl = pmcf->perl; | |
535 | |
536 #endif | |
537 | |
599 | 538 return NGX_CONF_OK; |
539 } | |
540 | |
541 | |
542 static PerlInterpreter * | |
1069 | 543 ngx_http_perl_create_interpreter(ngx_conf_t *cf, |
544 ngx_http_perl_main_conf_t *pmcf) | |
599 | 545 { |
546 int n; | |
775 | 547 STRLEN len; |
548 SV *sv; | |
3175 | 549 char *ver, **embedding; |
550 ngx_str_t *m; | |
551 ngx_uint_t i; | |
599 | 552 PerlInterpreter *perl; |
553 | |
1069 | 554 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cf->log, 0, "create perl interpreter"); |
555 | |
556 if (ngx_set_environment(cf->cycle, NULL) == NULL) { | |
557 return NULL; | |
558 } | |
599 | 559 |
560 perl = perl_alloc(); | |
561 if (perl == NULL) { | |
1069 | 562 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "perl_alloc() failed"); |
599 | 563 return NULL; |
564 } | |
565 | |
566 { | |
567 | |
568 dTHXa(perl); | |
873
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569 PERL_SET_CONTEXT(perl); |
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570 |
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changeset
|
571 perl_construct(perl); |
599 | 572 |
573 #ifdef PERL_EXIT_DESTRUCT_END | |
574 PL_exit_flags |= PERL_EXIT_DESTRUCT_END; | |
575 #endif | |
576 | |
3175 | 577 n = (pmcf->modules != NGX_CONF_UNSET_PTR) ? pmcf->modules->nelts * 2 : 0; |
578 | |
579 embedding = ngx_palloc(cf->pool, (4 + n) * sizeof(char *)); | |
580 if (embedding == NULL) { | |
581 goto fail; | |
582 } | |
583 | |
599 | 584 embedding[0] = ""; |
585 | |
3175 | 586 if (n++) { |
587 m = pmcf->modules->elts; | |
588 for (i = 0; i < pmcf->modules->nelts; i++) { | |
589 embedding[2 * i + 1] = "-I"; | |
590 embedding[2 * i + 2] = (char *) m[i].data; | |
591 } | |
599 | 592 } |
593 | |
594 embedding[n++] = "-Mnginx"; | |
595 embedding[n++] = "-e"; | |
596 embedding[n++] = "0"; | |
597 | |
598 n = perl_parse(perl, ngx_http_perl_xs_init, n, embedding, NULL); | |
599 | |
600 if (n != 0) { | |
1069 | 601 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "perl_parse() failed: %d", n); |
599 | 602 goto fail; |
603 } | |
604 | |
775 | 605 sv = get_sv("nginx::VERSION", FALSE); |
606 ver = SvPV(sv, len); | |
607 | |
608 if (ngx_strcmp(ver, NGINX_VERSION) != 0) { | |
1069 | 609 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, |
775 | 610 "version " NGINX_VERSION " of nginx.pm is required, " |
611 "but %s was found", ver); | |
612 goto fail; | |
613 } | |
614 | |
3174
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changeset
|
615 if (ngx_http_perl_run_requires(aTHX_ pmcf->requires, cf->log) != NGX_OK) { |
649 | 616 goto fail; |
599 | 617 } |
618 | |
619 } | |
620 | |
621 return perl; | |
622 | |
623 fail: | |
624 | |
625 (void) perl_destruct(perl); | |
626 | |
627 perl_free(perl); | |
628 | |
629 return NULL; | |
630 } | |
631 | |
632 | |
649 | 633 static ngx_int_t |
653 | 634 ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, ngx_log_t *log) |
649 | 635 { |
3173 | 636 u_char *err; |
649 | 637 STRLEN len; |
3174
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changeset
|
638 ngx_str_t *script; |
649 | 639 ngx_uint_t i; |
640 | |
3174
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641 if (requires == NGX_CONF_UNSET_PTR) { |
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642 return NGX_OK; |
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643 } |
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changeset
|
644 |
649 | 645 script = requires->elts; |
646 for (i = 0; i < requires->nelts; i++) { | |
647 | |
3174
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changeset
|
648 require_pv((char *) script[i].data); |
649 | 649 |
650 if (SvTRUE(ERRSV)) { | |
651 | |
3173 | 652 err = (u_char *) SvPV(ERRSV, len); |
653 while (--len && (err[len] == CR || err[len] == LF)) { /* void */ } | |
649 | 654 |
655 ngx_log_error(NGX_LOG_EMERG, log, 0, | |
3173 | 656 "require_pv(\"%s\") failed: \"%*s\"", |
3174
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changeset
|
657 script[i].data, len + 1, err); |
649 | 658 |
659 return NGX_ERROR; | |
660 } | |
661 } | |
662 | |
663 return NGX_OK; | |
664 } | |
665 | |
666 | |
599 | 667 static ngx_int_t |
873
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changeset
|
668 ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, HV *nginx, SV *sub, |
1899
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changeset
|
669 SV **args, ngx_str_t *handler, ngx_str_t *rv) |
599 | 670 { |
1702
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671 SV *sv; |
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changeset
|
672 int n, status; |
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fix segfault when $r->has_request_body() is called with ready body
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changeset
|
673 char *line; |
3173 | 674 u_char *err; |
1702
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diff
changeset
|
675 STRLEN len, n_a; |
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changeset
|
676 ngx_uint_t i; |
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diff
changeset
|
677 ngx_connection_t *c; |
599 | 678 |
679 dSP; | |
680 | |
681 status = 0; | |
682 | |
683 ENTER; | |
684 SAVETMPS; | |
685 | |
686 PUSHMARK(sp); | |
687 | |
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
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872
diff
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688 sv = sv_2mortal(sv_bless(newRV_noinc(newSViv(PTR2IV(r))), nginx)); |
599 | 689 XPUSHs(sv); |
690 | |
691 if (args) { | |
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692 EXTEND(sp, (intptr_t) args[0]); |
599 | 693 |
1899
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694 for (i = 1; i <= (ngx_uint_t) args[0]; i++) { |
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695 PUSHs(sv_2mortal(args[i])); |
599 | 696 } |
697 } | |
698 | |
699 PUTBACK; | |
700 | |
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701 c = r->connection; |
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702 |
599 | 703 n = call_sv(sub, G_EVAL); |
704 | |
705 SPAGAIN; | |
706 | |
707 if (n) { | |
708 if (rv == NULL) { | |
709 status = POPi; | |
710 | |
1702
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711 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
599 | 712 "call_sv: %d", status); |
713 | |
714 } else { | |
619 | 715 line = SvPVx(POPs, n_a); |
599 | 716 rv->len = n_a; |
717 | |
2049 | 718 rv->data = ngx_pnalloc(r->pool, n_a); |
599 | 719 if (rv->data == NULL) { |
720 return NGX_ERROR; | |
721 } | |
722 | |
723 ngx_memcpy(rv->data, line, n_a); | |
724 } | |
725 } | |
726 | |
727 PUTBACK; | |
728 | |
729 FREETMPS; | |
730 LEAVE; | |
731 | |
732 /* check $@ */ | |
733 | |
734 if (SvTRUE(ERRSV)) { | |
735 | |
3173 | 736 err = (u_char *) SvPV(ERRSV, len); |
737 while (--len && (err[len] == CR || err[len] == LF)) { /* void */ } | |
599 | 738 |
1702
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739 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
3173 | 740 "call_sv(\"%V\") failed: \"%*s\"", handler, len + 1, err); |
599 | 741 |
742 if (rv) { | |
743 return NGX_ERROR; | |
744 } | |
745 | |
746 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
747 } | |
748 | |
749 if (n != 1) { | |
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750 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
599 | 751 "call_sv(\"%V\") returned %d results", handler, n); |
752 status = NGX_OK; | |
753 } | |
754 | |
755 if (rv) { | |
756 return NGX_OK; | |
757 } | |
758 | |
759 return (ngx_int_t) status; | |
760 } | |
761 | |
762 | |
763 static void | |
764 ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv) | |
765 { | |
623 | 766 u_char *p; |
767 | |
768 for (p = handler->data; *p; p++) { | |
769 if (*p != ' ' && *p != '\t' && *p != CR && *p != LF) { | |
770 break; | |
771 } | |
772 } | |
773 | |
3132 | 774 if (ngx_strncmp(p, "sub ", 4) == 0 |
775 || ngx_strncmp(p, "sub{", 4) == 0 | |
776 || ngx_strncmp(p, "use ", 4) == 0) | |
777 { | |
623 | 778 *sv = eval_pv((char *) p, FALSE); |
874 | 779 |
780 /* eval_pv() does not set ERRSV on failure */ | |
781 | |
599 | 782 return; |
783 } | |
784 | |
785 *sv = NULL; | |
786 } | |
787 | |
788 | |
789 static void * | |
790 ngx_http_perl_create_main_conf(ngx_conf_t *cf) | |
791 { | |
792 ngx_http_perl_main_conf_t *pmcf; | |
793 | |
794 pmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_main_conf_t)); | |
795 if (pmcf == NULL) { | |
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796 return NULL; |
599 | 797 } |
798 | |
3175 | 799 pmcf->modules = NGX_CONF_UNSET_PTR; |
3174
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800 pmcf->requires = NGX_CONF_UNSET_PTR; |
599 | 801 |
802 return pmcf; | |
803 } | |
804 | |
805 | |
806 static char * | |
807 ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf) | |
808 { | |
809 ngx_http_perl_main_conf_t *pmcf = conf; | |
810 | |
811 if (pmcf->perl == NULL) { | |
812 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
813 return NGX_CONF_ERROR; | |
814 } | |
815 } | |
816 | |
817 return NGX_CONF_OK; | |
818 } | |
819 | |
820 | |
872
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821 #if (NGX_HAVE_PERL_MULTIPLICITY) |
649 | 822 |
599 | 823 static void |
824 ngx_http_perl_cleanup_perl(void *data) | |
825 { | |
649 | 826 PerlInterpreter *perl = data; |
599 | 827 |
873
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828 PERL_SET_CONTEXT(perl); |
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829 |
599 | 830 (void) perl_destruct(perl); |
831 | |
832 perl_free(perl); | |
2715 | 833 |
834 if (ngx_perl_term) { | |
835 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0, "perl term"); | |
836 | |
837 PERL_SYS_TERM(); | |
838 } | |
599 | 839 } |
840 | |
649 | 841 #endif |
842 | |
843 | |
599 | 844 static ngx_int_t |
845 ngx_http_perl_preconfiguration(ngx_conf_t *cf) | |
846 { | |
617 | 847 #if (NGX_HTTP_SSI) |
599 | 848 ngx_int_t rc; |
849 ngx_http_ssi_main_conf_t *smcf; | |
850 | |
851 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module); | |
852 | |
853 rc = ngx_hash_add_key(&smcf->commands, &ngx_http_perl_ssi_command.name, | |
854 &ngx_http_perl_ssi_command, NGX_HASH_READONLY_KEY); | |
855 | |
856 if (rc != NGX_OK) { | |
857 if (rc == NGX_BUSY) { | |
858 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
859 "conflicting SSI command \"%V\"", | |
860 &ngx_http_perl_ssi_command.name); | |
861 } | |
862 | |
863 return NGX_ERROR; | |
864 } | |
617 | 865 #endif |
599 | 866 |
867 return NGX_OK; | |
868 } | |
869 | |
870 | |
871 static void * | |
872 ngx_http_perl_create_loc_conf(ngx_conf_t *cf) | |
873 { | |
874 ngx_http_perl_loc_conf_t *plcf; | |
875 | |
876 plcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_loc_conf_t)); | |
877 if (plcf == NULL) { | |
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878 return NULL; |
599 | 879 } |
880 | |
881 /* | |
882 * set by ngx_pcalloc(): | |
883 * | |
884 * plcf->handler = { 0, NULL }; | |
885 */ | |
886 | |
887 return plcf; | |
888 } | |
889 | |
890 | |
891 static char * | |
892 ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
893 { | |
894 ngx_http_perl_loc_conf_t *prev = parent; | |
895 ngx_http_perl_loc_conf_t *conf = child; | |
896 | |
897 if (conf->sub == NULL) { | |
898 conf->sub = prev->sub; | |
899 conf->handler = prev->handler; | |
900 } | |
901 | |
902 return NGX_CONF_OK; | |
903 } | |
904 | |
905 | |
906 static char * | |
907 ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
908 { | |
909 ngx_http_perl_loc_conf_t *plcf = conf; | |
910 | |
911 ngx_str_t *value; | |
912 ngx_http_core_loc_conf_t *clcf; | |
913 ngx_http_perl_main_conf_t *pmcf; | |
914 | |
915 value = cf->args->elts; | |
916 | |
917 if (plcf->handler.data) { | |
918 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
919 "duplicate perl handler \"%V\"", &value[1]); | |
920 return NGX_CONF_ERROR; | |
921 } | |
922 | |
923 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
924 | |
925 if (pmcf->perl == NULL) { | |
926 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
927 return NGX_CONF_ERROR; | |
928 } | |
929 } | |
930 | |
931 plcf->handler = value[1]; | |
932 | |
933 { | |
934 | |
935 dTHXa(pmcf->perl); | |
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936 PERL_SET_CONTEXT(pmcf->perl); |
599 | 937 |
938 ngx_http_perl_eval_anon_sub(aTHX_ &value[1], &plcf->sub); | |
939 | |
940 if (plcf->sub == &PL_sv_undef) { | |
941 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
942 "eval_pv(\"%V\") failed", &value[1]); | |
943 return NGX_CONF_ERROR; | |
944 } | |
945 | |
946 if (plcf->sub == NULL) { | |
947 plcf->sub = newSVpvn((char *) value[1].data, value[1].len); | |
948 } | |
949 | |
950 } | |
951 | |
952 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
953 clcf->handler = ngx_http_perl_handler; | |
954 | |
955 return NGX_CONF_OK; | |
956 } | |
957 | |
958 | |
959 static char * | |
960 ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
961 { | |
962 ngx_int_t index; | |
963 ngx_str_t *value; | |
964 ngx_http_variable_t *v; | |
965 ngx_http_perl_variable_t *pv; | |
966 ngx_http_perl_main_conf_t *pmcf; | |
967 | |
968 value = cf->args->elts; | |
969 | |
970 if (value[1].data[0] != '$') { | |
971 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
972 "invalid variable name \"%V\"", &value[1]); | |
973 return NGX_CONF_ERROR; | |
974 } | |
975 | |
976 value[1].len--; | |
977 value[1].data++; | |
978 | |
1565 | 979 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGEABLE); |
599 | 980 if (v == NULL) { |
981 return NGX_CONF_ERROR; | |
982 } | |
983 | |
984 pv = ngx_palloc(cf->pool, sizeof(ngx_http_perl_variable_t)); | |
985 if (pv == NULL) { | |
986 return NGX_CONF_ERROR; | |
987 } | |
988 | |
989 index = ngx_http_get_variable_index(cf, &value[1]); | |
990 if (index == NGX_ERROR) { | |
991 return NGX_CONF_ERROR; | |
992 } | |
993 | |
994 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
995 | |
996 if (pmcf->perl == NULL) { | |
997 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
998 return NGX_CONF_ERROR; | |
999 } | |
1000 } | |
1001 | |
1002 pv->handler = value[2]; | |
1003 | |
1004 { | |
1005 | |
1006 dTHXa(pmcf->perl); | |
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1007 PERL_SET_CONTEXT(pmcf->perl); |
599 | 1008 |
1009 ngx_http_perl_eval_anon_sub(aTHX_ &value[2], &pv->sub); | |
1010 | |
1011 if (pv->sub == &PL_sv_undef) { | |
1012 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
1013 "eval_pv(\"%V\") failed", &value[2]); | |
1014 return NGX_CONF_ERROR; | |
1015 } | |
1016 | |
1017 if (pv->sub == NULL) { | |
1018 pv->sub = newSVpvn((char *) value[2].data, value[2].len); | |
1019 } | |
1020 | |
1021 } | |
1022 | |
637 | 1023 v->get_handler = ngx_http_perl_variable; |
599 | 1024 v->data = (uintptr_t) pv; |
1025 | |
1026 return NGX_CONF_OK; | |
1027 } | |
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1028 |
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1029 |
1257 | 1030 static ngx_int_t |
1031 ngx_http_perl_init_worker(ngx_cycle_t *cycle) | |
1032 { | |
1258
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1033 ngx_http_perl_main_conf_t *pmcf; |
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1034 |
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1035 pmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_perl_module); |
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1036 |
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1037 if (pmcf) { |
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1038 dTHXa(pmcf->perl); |
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1039 PERL_SET_CONTEXT(pmcf->perl); |
1258
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1040 |
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1041 /* set worker's $$ */ |
1257 | 1042 |
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1043 sv_setiv(GvSV(gv_fetchpv("$", TRUE, SVt_PV)), (I32) ngx_pid); |
1258
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1044 } |
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1045 |
1257 | 1046 return NGX_OK; |
1047 } | |
1048 | |
1941 | 1049 |
1221
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1050 static void |
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1051 ngx_http_perl_exit(ngx_cycle_t *cycle) |
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1052 { |
2715 | 1053 #if (NGX_HAVE_PERL_MULTIPLICITY) |
1054 | |
3351
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1055 /* |
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1056 * the master exit hook is run before global pool cleanup, |
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1057 * therefore just set flag here |
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1058 */ |
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1059 |
2715 | 1060 ngx_perl_term = 1; |
1061 | |
1062 #else | |
3351
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1063 |
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1064 if (nginx_stash) { |
2715 | 1065 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cycle->log, 0, "perl term"); |
1066 | |
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1067 (void) perl_destruct(perl); |
2715 | 1068 |
3350
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1069 perl_free(perl); |
1946
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1070 |
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1071 PERL_SYS_TERM(); |
1946
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1072 } |
2715 | 1073 |
1074 #endif | |
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1075 } |