Mercurial > hg > nginx
comparison src/http/modules/perl/ngx_http_perl_module.c @ 599:869b6444d234 release-0.3.21
nginx-0.3.21-RELEASE import
*) Feature: the ngx_http_perl_module.
*) Change: the "valid_referers" directive allows the referreres without
URI part.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 16 Jan 2006 14:56:53 +0000 |
parents | |
children | 51b27717f140 |
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598:bfa12c280dec | 599:869b6444d234 |
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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 **free_perls; | |
15 ngx_uint_t interp; | |
16 ngx_uint_t nalloc; | |
17 ngx_uint_t interp_max; | |
18 | |
19 PerlInterpreter *perl; | |
20 ngx_str_t modules; | |
21 ngx_array_t requires; | |
22 } ngx_http_perl_main_conf_t; | |
23 | |
24 | |
25 typedef struct { | |
26 SV *sub; | |
27 ngx_str_t handler; | |
28 } ngx_http_perl_loc_conf_t; | |
29 | |
30 | |
31 typedef struct { | |
32 SV *sub; | |
33 ngx_str_t handler; | |
34 } ngx_http_perl_variable_t; | |
35 | |
36 | |
37 static ngx_int_t ngx_http_perl_ssi(ngx_http_request_t *r, | |
38 ngx_http_ssi_ctx_t *ssi_ctx, ngx_str_t **params); | |
39 static ngx_int_t | |
40 ngx_http_perl_get_interpreter(ngx_http_perl_main_conf_t *pmcf, | |
41 PerlInterpreter **perl, ngx_log_t *log); | |
42 static ngx_inline void | |
43 ngx_http_perl_free_interpreter(ngx_http_perl_main_conf_t *pmcf, | |
44 PerlInterpreter *perl); | |
45 static char *ngx_http_perl_init_interpreter(ngx_conf_t *cf, | |
46 ngx_http_perl_main_conf_t *pmcf); | |
47 static PerlInterpreter * | |
48 ngx_http_perl_create_interpreter(ngx_http_perl_main_conf_t *pmcf, | |
49 ngx_log_t *log); | |
50 static ngx_int_t ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, | |
51 SV *sub, ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv); | |
52 static void ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv); | |
53 | |
54 static ngx_int_t ngx_http_perl_preconfiguration(ngx_conf_t *cf); | |
55 static void *ngx_http_perl_create_main_conf(ngx_conf_t *cf); | |
56 static char *ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf); | |
57 static void *ngx_http_perl_create_loc_conf(ngx_conf_t *cf); | |
58 static char *ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, | |
59 void *child); | |
60 static char *ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, | |
61 void *conf); | |
62 static char *ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
63 static char *ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
64 static char *ngx_http_perl_interp_max_unsupported(ngx_conf_t *cf, void *post, | |
65 void *data); | |
66 static void ngx_http_perl_cleanup_perl(void *data); | |
67 | |
68 | |
69 static ngx_conf_post_handler_pt ngx_http_perl_interp_max_p = | |
70 ngx_http_perl_interp_max_unsupported; | |
71 | |
72 | |
73 static ngx_command_t ngx_http_perl_commands[] = { | |
74 | |
75 { ngx_string("perl_modules"), | |
76 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, | |
77 ngx_conf_set_str_slot, | |
78 NGX_HTTP_MAIN_CONF_OFFSET, | |
79 offsetof(ngx_http_perl_main_conf_t, modules), | |
80 NULL }, | |
81 | |
82 { ngx_string("perl_require"), | |
83 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, | |
84 ngx_http_perl_require, | |
85 NGX_HTTP_MAIN_CONF_OFFSET, | |
86 0, | |
87 NULL }, | |
88 | |
89 { ngx_string("perl_interp_max"), | |
90 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, | |
91 ngx_conf_set_num_slot, | |
92 NGX_HTTP_MAIN_CONF_OFFSET, | |
93 offsetof(ngx_http_perl_main_conf_t, interp_max), | |
94 &ngx_http_perl_interp_max_p }, | |
95 | |
96 { ngx_string("perl"), | |
97 NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
98 ngx_http_perl, | |
99 NGX_HTTP_LOC_CONF_OFFSET, | |
100 0, | |
101 NULL }, | |
102 | |
103 { ngx_string("perl_set"), | |
104 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE2, | |
105 ngx_http_perl_set, | |
106 NGX_HTTP_LOC_CONF_OFFSET, | |
107 0, | |
108 NULL }, | |
109 | |
110 ngx_null_command | |
111 }; | |
112 | |
113 | |
114 static ngx_http_module_t ngx_http_perl_module_ctx = { | |
115 ngx_http_perl_preconfiguration, /* preconfiguration */ | |
116 NULL, /* postconfiguration */ | |
117 | |
118 ngx_http_perl_create_main_conf, /* create main configuration */ | |
119 ngx_http_perl_init_main_conf, /* init main configuration */ | |
120 | |
121 NULL, /* create server configuration */ | |
122 NULL, /* merge server configuration */ | |
123 | |
124 ngx_http_perl_create_loc_conf, /* create location configuration */ | |
125 ngx_http_perl_merge_loc_conf /* merge location configuration */ | |
126 }; | |
127 | |
128 | |
129 ngx_module_t ngx_http_perl_module = { | |
130 NGX_MODULE_V1, | |
131 &ngx_http_perl_module_ctx, /* module context */ | |
132 ngx_http_perl_commands, /* module directives */ | |
133 NGX_HTTP_MODULE, /* module type */ | |
134 NULL, /* init master */ | |
135 NULL, /* init module */ | |
136 NULL, /* init process */ | |
137 NULL, /* init thread */ | |
138 NULL, /* exit thread */ | |
139 NULL, /* exit process */ | |
140 NULL, /* exit master */ | |
141 NGX_MODULE_V1_PADDING | |
142 }; | |
143 | |
144 | |
145 #define NGX_HTTP_PERL_SSI_SUB 0 | |
146 #define NGX_HTTP_PERL_SSI_ARG 1 | |
147 | |
148 | |
149 static ngx_http_ssi_param_t ngx_http_perl_ssi_params[] = { | |
150 { ngx_string("sub"), NGX_HTTP_PERL_SSI_SUB, 1, 0 }, | |
151 { ngx_string("arg"), NGX_HTTP_PERL_SSI_ARG, 0, 1 }, | |
152 { ngx_null_string, 0, 0, 0 } | |
153 }; | |
154 | |
155 | |
156 static ngx_http_ssi_command_t ngx_http_perl_ssi_command = { | |
157 ngx_string("perl"), ngx_http_perl_ssi, ngx_http_perl_ssi_params, 0, 1 | |
158 }; | |
159 | |
160 | |
161 static void | |
162 ngx_http_perl_xs_init(pTHX) | |
163 { | |
164 newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, __FILE__); | |
165 } | |
166 | |
167 | |
168 static ngx_int_t | |
169 ngx_http_perl_handler(ngx_http_request_t *r) | |
170 { | |
171 ngx_int_t rc; | |
172 ngx_str_t uri, args; | |
173 ngx_http_perl_ctx_t *ctx; | |
174 ngx_http_perl_loc_conf_t *plcf; | |
175 ngx_http_perl_main_conf_t *pmcf; | |
176 | |
177 /* TODO: Win32 */ | |
178 if (r->zero_in_uri) { | |
179 return NGX_HTTP_NOT_FOUND; | |
180 } | |
181 | |
182 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl handler"); | |
183 | |
184 /* mod_perl's content handler assumes that content type was already set */ | |
185 | |
186 if (ngx_http_set_content_type(r) != NGX_OK) { | |
187 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
188 } | |
189 | |
190 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
191 | |
192 if (ctx == NULL) { | |
193 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
194 if (ctx == NULL) { | |
195 return NGX_ERROR; | |
196 } | |
197 | |
198 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
199 } | |
200 | |
201 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); | |
202 | |
203 rc = ngx_http_perl_get_interpreter(pmcf, &ctx->perl, r->connection->log); | |
204 | |
205 if (rc != NGX_OK) { | |
206 return rc; | |
207 } | |
208 | |
209 { | |
210 | |
211 dTHXa(ctx->perl); | |
212 | |
213 plcf = ngx_http_get_module_loc_conf(r, ngx_http_perl_module); | |
214 | |
215 rc = ngx_http_perl_call_handler(aTHX_ r, plcf->sub, NULL, | |
216 &plcf->handler, NULL); | |
217 | |
218 } | |
219 | |
220 ngx_http_perl_free_interpreter(pmcf, ctx->perl); | |
221 | |
222 if (rc > 600) { | |
223 rc = NGX_OK; | |
224 } | |
225 | |
226 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
227 "perl handler done: %i", rc); | |
228 | |
229 if (ctx->redirect_uri.len) { | |
230 uri = ctx->redirect_uri; | |
231 args = ctx->redirect_args; | |
232 } | |
233 | |
234 ctx->filename = NULL; | |
235 ctx->redirect_uri.len = 0; | |
236 | |
237 if (uri.len) { | |
238 return ngx_http_internal_redirect(r, &uri, &args); | |
239 } | |
240 | |
241 if (rc == NGX_OK || rc == NGX_HTTP_OK) { | |
242 return ngx_http_send_special(r, NGX_HTTP_LAST); | |
243 } | |
244 | |
245 return rc; | |
246 } | |
247 | |
248 | |
249 static ngx_int_t | |
250 ngx_http_perl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
251 uintptr_t data) | |
252 { | |
253 ngx_http_perl_variable_t *pv = (ngx_http_perl_variable_t *) data; | |
254 | |
255 ngx_int_t rc; | |
256 ngx_str_t value; | |
257 ngx_http_perl_ctx_t *ctx; | |
258 ngx_http_perl_main_conf_t *pmcf; | |
259 | |
260 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
261 "perl variable handler"); | |
262 | |
263 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
264 | |
265 if (ctx == NULL) { | |
266 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
267 if (ctx == NULL) { | |
268 return NGX_ERROR; | |
269 } | |
270 | |
271 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
272 } | |
273 | |
274 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); | |
275 | |
276 rc = ngx_http_perl_get_interpreter(pmcf, &ctx->perl, r->connection->log); | |
277 | |
278 if (rc != NGX_OK) { | |
279 return rc; | |
280 } | |
281 | |
282 value.data = NULL; | |
283 | |
284 { | |
285 | |
286 dTHXa(ctx->perl); | |
287 | |
288 rc = ngx_http_perl_call_handler(aTHX_ r, pv->sub, NULL, | |
289 &pv->handler, &value); | |
290 | |
291 } | |
292 | |
293 ngx_http_perl_free_interpreter(pmcf, ctx->perl); | |
294 | |
295 if (value.data) { | |
296 v->len = value.len; | |
297 v->valid = 1; | |
298 v->no_cachable = 0; | |
299 v->not_found = 0; | |
300 v->data = value.data; | |
301 | |
302 } else { | |
303 v->not_found = 1; | |
304 } | |
305 | |
306 ctx->filename = NULL; | |
307 ctx->redirect_uri.len = 0; | |
308 | |
309 return rc; | |
310 } | |
311 | |
312 | |
313 static ngx_int_t | |
314 ngx_http_perl_ssi(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ssi_ctx, | |
315 ngx_str_t **params) | |
316 { | |
317 SV *sv; | |
318 ngx_int_t rc; | |
319 ngx_str_t *handler; | |
320 ngx_http_perl_ctx_t *ctx; | |
321 ngx_http_perl_main_conf_t *pmcf; | |
322 | |
323 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
324 "perl ssi handler"); | |
325 | |
326 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); | |
327 | |
328 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
329 | |
330 if (ctx == NULL) { | |
331 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
332 if (ctx == NULL) { | |
333 return NGX_ERROR; | |
334 } | |
335 | |
336 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
337 } | |
338 | |
339 rc = ngx_http_perl_get_interpreter(pmcf, &ctx->perl, r->connection->log); | |
340 | |
341 if (rc != NGX_OK) { | |
342 return rc; | |
343 } | |
344 | |
345 ctx->ssi = ssi_ctx; | |
346 | |
347 handler = params[NGX_HTTP_PERL_SSI_SUB]; | |
348 handler->data[handler->len] = '\0'; | |
349 | |
350 { | |
351 | |
352 dTHXa(ctx->perl); | |
353 | |
354 #if 0 | |
355 | |
356 ngx_http_perl_eval_anon_sub(aTHX_ handler, &sv); | |
357 | |
358 if (sv == &PL_sv_undef) { | |
359 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
360 "eval_pv(\"%V\") failed", handler); | |
361 return NGX_ERROR; | |
362 } | |
363 | |
364 if (sv == NULL) { | |
365 sv = newSVpvn((char *) handler->data, handler->len); | |
366 } | |
367 | |
368 #endif | |
369 | |
370 sv = newSVpvn((char *) handler->data, handler->len); | |
371 | |
372 rc = ngx_http_perl_call_handler(aTHX_ r, sv, ¶ms[NGX_HTTP_PERL_SSI_ARG], | |
373 handler, NULL); | |
374 | |
375 SvREFCNT_dec(sv); | |
376 | |
377 } | |
378 | |
379 ngx_http_perl_free_interpreter(pmcf, ctx->perl); | |
380 | |
381 ctx->filename = NULL; | |
382 ctx->redirect_uri.len = 0; | |
383 ctx->ssi = NULL; | |
384 | |
385 return rc; | |
386 } | |
387 | |
388 | |
389 static ngx_int_t | |
390 ngx_http_perl_get_interpreter(ngx_http_perl_main_conf_t *pmcf, | |
391 PerlInterpreter **perl, ngx_log_t *log) | |
392 { | |
393 if (pmcf->interp) { | |
394 pmcf->interp--; | |
395 | |
396 *perl = pmcf->free_perls[pmcf->interp]; | |
397 | |
398 return NGX_OK; | |
399 } | |
400 | |
401 if (pmcf->nalloc < pmcf->interp_max) { | |
402 *perl = ngx_http_perl_create_interpreter(pmcf, log); | |
403 | |
404 if (*perl) { | |
405 return NGX_OK; | |
406 } | |
407 | |
408 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
409 } | |
410 | |
411 ngx_log_error(NGX_LOG_ALERT, log, 0, "no free perl interpreter"); | |
412 | |
413 return NGX_HTTP_SERVICE_UNAVAILABLE; | |
414 } | |
415 | |
416 | |
417 static ngx_inline void | |
418 ngx_http_perl_free_interpreter(ngx_http_perl_main_conf_t *pmcf, | |
419 PerlInterpreter *perl) | |
420 { | |
421 pmcf->free_perls[pmcf->interp++] = perl; | |
422 } | |
423 | |
424 | |
425 static char * | |
426 ngx_http_perl_init_interpreter(ngx_conf_t *cf, ngx_http_perl_main_conf_t *pmcf) | |
427 { | |
428 ngx_pool_cleanup_t *cln; | |
429 | |
430 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
431 if (cln == NULL) { | |
432 return NGX_CONF_ERROR; | |
433 } | |
434 | |
435 #ifdef NGX_PERL_MODULES | |
436 if (pmcf->modules.data == NULL) { | |
437 pmcf->modules.data = NGX_PERL_MODULES; | |
438 } | |
439 #endif | |
440 | |
441 PERL_SYS_INIT(&ngx_argc, &ngx_argv); | |
442 | |
443 pmcf->perl = ngx_http_perl_create_interpreter(pmcf, cf->log); | |
444 | |
445 if (pmcf->perl == NULL) { | |
446 PERL_SYS_TERM(); | |
447 return NGX_CONF_ERROR; | |
448 } | |
449 | |
450 cln->handler = ngx_http_perl_cleanup_perl; | |
451 cln->data = pmcf->perl; | |
452 | |
453 return NGX_CONF_OK; | |
454 } | |
455 | |
456 | |
457 static PerlInterpreter * | |
458 ngx_http_perl_create_interpreter(ngx_http_perl_main_conf_t *pmcf, | |
459 ngx_log_t *log) | |
460 { | |
461 int n; | |
462 char *embedding[6]; | |
463 char **script; | |
464 STRLEN len; | |
465 ngx_str_t err; | |
466 ngx_uint_t i; | |
467 PerlInterpreter *perl; | |
468 | |
469 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "create perl interpreter"); | |
470 | |
471 #if (NGX_HAVE_PERL_CLONE) | |
472 | |
473 if (pmcf->perl) { | |
474 | |
475 perl = perl_clone(pmcf->perl, CLONEf_KEEP_PTR_TABLE); | |
476 if (perl == NULL) { | |
477 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_clone() failed"); | |
478 return NULL; | |
479 } | |
480 | |
481 { | |
482 | |
483 dTHXa(perl); | |
484 | |
485 ptr_table_free(PL_ptr_table); | |
486 PL_ptr_table = NULL; | |
487 | |
488 } | |
489 | |
490 pmcf->nalloc++; | |
491 | |
492 return perl; | |
493 } | |
494 | |
495 #endif | |
496 | |
497 perl = perl_alloc(); | |
498 if (perl == NULL) { | |
499 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_alloc() failed"); | |
500 return NULL; | |
501 } | |
502 | |
503 perl_construct(perl); | |
504 | |
505 { | |
506 | |
507 dTHXa(perl); | |
508 | |
509 #ifdef PERL_EXIT_DESTRUCT_END | |
510 PL_exit_flags |= PERL_EXIT_DESTRUCT_END; | |
511 #endif | |
512 | |
513 embedding[0] = ""; | |
514 | |
515 if (pmcf->modules.data) { | |
516 embedding[1] = "-I"; | |
517 embedding[2] = (char *) pmcf->modules.data; | |
518 n = 3; | |
519 | |
520 } else { | |
521 n = 1; | |
522 } | |
523 | |
524 embedding[n++] = "-Mnginx"; | |
525 embedding[n++] = "-e"; | |
526 embedding[n++] = "0"; | |
527 | |
528 n = perl_parse(perl, ngx_http_perl_xs_init, n, embedding, NULL); | |
529 | |
530 if (n != 0) { | |
531 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_parse() failed: %d", n); | |
532 goto fail; | |
533 } | |
534 | |
535 script = pmcf->requires.elts; | |
536 for (i = 0; i < pmcf->requires.nelts; i++) { | |
537 require_pv(script[i]); | |
538 | |
539 if (SvTRUE(ERRSV)) { | |
540 | |
541 err.data = (u_char *) SvPV(ERRSV, len); | |
542 for (len--; err.data[len] == LF || err.data[len] == CR; len--) { | |
543 /* void */ | |
544 } | |
545 err.len = len + 1; | |
546 | |
547 ngx_log_error(NGX_LOG_EMERG, log, 0, | |
548 "require_pv(\"%s\") failed: \"%V\"", script[i], &err); | |
549 goto fail; | |
550 } | |
551 } | |
552 | |
553 } | |
554 | |
555 pmcf->nalloc++; | |
556 | |
557 return perl; | |
558 | |
559 fail: | |
560 | |
561 (void) perl_destruct(perl); | |
562 | |
563 perl_free(perl); | |
564 | |
565 return NULL; | |
566 } | |
567 | |
568 | |
569 #if (__INTEL_COMPILER) | |
570 /* | |
571 * disable 'declaration hides parameter "my_perl"' warning for ENTER and LEAVE | |
572 */ | |
573 #pragma warning(disable:1599) | |
574 #endif | |
575 | |
576 | |
577 static ngx_int_t | |
578 ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, SV *sub, | |
579 ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv) | |
580 { | |
581 SV *sv; | |
582 int n, status; | |
583 char *line; | |
584 STRLEN len, n_a; | |
585 ngx_str_t err; | |
586 ngx_uint_t i; | |
587 | |
588 dSP; | |
589 | |
590 status = 0; | |
591 | |
592 ENTER; | |
593 SAVETMPS; | |
594 | |
595 PUSHMARK(sp); | |
596 | |
597 sv = sv_newmortal(); | |
598 sv_setref_pv(sv, "nginx", r); | |
599 XPUSHs(sv); | |
600 | |
601 if (args) { | |
602 for (i = 0; args[i]; i++) { /* void */ } | |
603 | |
604 EXTEND(sp, (int) i); | |
605 | |
606 for (i = 0; args[i]; i++) { | |
607 PUSHs(sv_2mortal(newSVpvn((char *) args[i]->data, args[i]->len))); | |
608 } | |
609 } | |
610 | |
611 PUTBACK; | |
612 | |
613 n = call_sv(sub, G_EVAL); | |
614 | |
615 SPAGAIN; | |
616 | |
617 if (n) { | |
618 if (rv == NULL) { | |
619 status = POPi; | |
620 | |
621 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
622 "call_sv: %d", status); | |
623 | |
624 } else { | |
625 line = POPpx; | |
626 rv->len = n_a; | |
627 | |
628 rv->data = ngx_palloc(r->pool, n_a); | |
629 if (rv->data == NULL) { | |
630 return NGX_ERROR; | |
631 } | |
632 | |
633 ngx_memcpy(rv->data, line, n_a); | |
634 } | |
635 } | |
636 | |
637 PUTBACK; | |
638 | |
639 FREETMPS; | |
640 LEAVE; | |
641 | |
642 /* check $@ */ | |
643 | |
644 if (SvTRUE(ERRSV)) { | |
645 | |
646 err.data = (u_char *) SvPV(ERRSV, len); | |
647 for (len--; err.data[len] == LF || err.data[len] == CR; len--) { | |
648 /* void */ | |
649 } | |
650 err.len = len + 1; | |
651 | |
652 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
653 "call_sv(\"%V\") failed: \"%V\"", | |
654 handler, &err); | |
655 | |
656 if (rv) { | |
657 return NGX_ERROR; | |
658 } | |
659 | |
660 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
661 } | |
662 | |
663 if (n != 1) { | |
664 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
665 "call_sv(\"%V\") returned %d results", handler, n); | |
666 status = NGX_OK; | |
667 } | |
668 | |
669 if (rv) { | |
670 return NGX_OK; | |
671 } | |
672 | |
673 return (ngx_int_t) status; | |
674 } | |
675 | |
676 | |
677 #if (__INTEL_COMPILER) | |
678 #pragma warning(default:1599) | |
679 #endif | |
680 | |
681 | |
682 static void | |
683 ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv) | |
684 { | |
685 if (ngx_strncmp(handler->data, "sub ", 4) == 0 | |
686 || ngx_strncmp(handler->data, "use ", 4) == 0) | |
687 { | |
688 *sv = eval_pv((char *) handler->data, FALSE); | |
689 | |
690 return; | |
691 } | |
692 | |
693 *sv = NULL; | |
694 } | |
695 | |
696 | |
697 static void * | |
698 ngx_http_perl_create_main_conf(ngx_conf_t *cf) | |
699 { | |
700 ngx_http_perl_main_conf_t *pmcf; | |
701 | |
702 pmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_main_conf_t)); | |
703 if (pmcf == NULL) { | |
704 return NGX_CONF_ERROR; | |
705 } | |
706 | |
707 pmcf->interp_max = NGX_CONF_UNSET_UINT; | |
708 | |
709 if (ngx_array_init(&pmcf->requires, cf->pool, 1, sizeof(u_char *)) | |
710 != NGX_OK) | |
711 { | |
712 return NULL; | |
713 } | |
714 | |
715 return pmcf; | |
716 } | |
717 | |
718 | |
719 static char * | |
720 ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf) | |
721 { | |
722 ngx_http_perl_main_conf_t *pmcf = conf; | |
723 | |
724 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY) | |
725 ngx_conf_init_unsigned_value(pmcf->interp_max, 10); | |
726 #else | |
727 ngx_conf_init_unsigned_value(pmcf->interp_max, 1); | |
728 #endif | |
729 | |
730 pmcf->free_perls = ngx_pcalloc(cf->pool, | |
731 pmcf->interp_max * sizeof(PerlInterpreter *)); | |
732 if (pmcf->free_perls == NULL) { | |
733 return NGX_CONF_ERROR; | |
734 } | |
735 | |
736 if (pmcf->perl == NULL) { | |
737 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
738 return NGX_CONF_ERROR; | |
739 } | |
740 } | |
741 | |
742 #if !(NGX_HAVE_PERL_CLONE) | |
743 ngx_http_perl_free_interpreter(pmcf, pmcf->perl); | |
744 #endif | |
745 | |
746 return NGX_CONF_OK; | |
747 } | |
748 | |
749 | |
750 static void | |
751 ngx_http_perl_cleanup_perl(void *data) | |
752 { | |
753 PerlInterpreter *perl = data; | |
754 | |
755 (void) perl_destruct(perl); | |
756 | |
757 perl_free(perl); | |
758 | |
759 PERL_SYS_TERM(); | |
760 } | |
761 | |
762 | |
763 static ngx_int_t | |
764 ngx_http_perl_preconfiguration(ngx_conf_t *cf) | |
765 { | |
766 ngx_int_t rc; | |
767 ngx_http_ssi_main_conf_t *smcf; | |
768 | |
769 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module); | |
770 | |
771 rc = ngx_hash_add_key(&smcf->commands, &ngx_http_perl_ssi_command.name, | |
772 &ngx_http_perl_ssi_command, NGX_HASH_READONLY_KEY); | |
773 | |
774 if (rc != NGX_OK) { | |
775 if (rc == NGX_BUSY) { | |
776 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
777 "conflicting SSI command \"%V\"", | |
778 &ngx_http_perl_ssi_command.name); | |
779 } | |
780 | |
781 return NGX_ERROR; | |
782 } | |
783 | |
784 return NGX_OK; | |
785 } | |
786 | |
787 | |
788 static void * | |
789 ngx_http_perl_create_loc_conf(ngx_conf_t *cf) | |
790 { | |
791 ngx_http_perl_loc_conf_t *plcf; | |
792 | |
793 plcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_loc_conf_t)); | |
794 if (plcf == NULL) { | |
795 return NGX_CONF_ERROR; | |
796 } | |
797 | |
798 /* | |
799 * set by ngx_pcalloc(): | |
800 * | |
801 * plcf->handler = { 0, NULL }; | |
802 */ | |
803 | |
804 return plcf; | |
805 } | |
806 | |
807 | |
808 static char * | |
809 ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
810 { | |
811 ngx_http_perl_loc_conf_t *prev = parent; | |
812 ngx_http_perl_loc_conf_t *conf = child; | |
813 | |
814 if (conf->sub == NULL) { | |
815 conf->sub = prev->sub; | |
816 conf->handler = prev->handler; | |
817 } | |
818 | |
819 return NGX_CONF_OK; | |
820 } | |
821 | |
822 | |
823 static char * | |
824 ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
825 { | |
826 ngx_http_perl_main_conf_t *pmcf = conf; | |
827 | |
828 u_char **p; | |
829 ngx_str_t *value; | |
830 | |
831 value = cf->args->elts; | |
832 | |
833 p = ngx_array_push(&pmcf->requires); | |
834 | |
835 if (p == NULL) { | |
836 return NGX_CONF_ERROR; | |
837 } | |
838 | |
839 *p = value[1].data; | |
840 | |
841 return NGX_CONF_OK; | |
842 } | |
843 | |
844 | |
845 static char * | |
846 ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
847 { | |
848 ngx_http_perl_loc_conf_t *plcf = conf; | |
849 | |
850 ngx_str_t *value; | |
851 ngx_http_core_loc_conf_t *clcf; | |
852 ngx_http_perl_main_conf_t *pmcf; | |
853 | |
854 value = cf->args->elts; | |
855 | |
856 if (plcf->handler.data) { | |
857 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
858 "duplicate perl handler \"%V\"", &value[1]); | |
859 return NGX_CONF_ERROR; | |
860 } | |
861 | |
862 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
863 | |
864 if (pmcf->perl == NULL) { | |
865 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
866 return NGX_CONF_ERROR; | |
867 } | |
868 } | |
869 | |
870 plcf->handler = value[1]; | |
871 | |
872 { | |
873 | |
874 dTHXa(pmcf->perl); | |
875 | |
876 ngx_http_perl_eval_anon_sub(aTHX_ &value[1], &plcf->sub); | |
877 | |
878 if (plcf->sub == &PL_sv_undef) { | |
879 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
880 "eval_pv(\"%V\") failed", &value[1]); | |
881 return NGX_CONF_ERROR; | |
882 } | |
883 | |
884 if (plcf->sub == NULL) { | |
885 plcf->sub = newSVpvn((char *) value[1].data, value[1].len); | |
886 } | |
887 | |
888 } | |
889 | |
890 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
891 clcf->handler = ngx_http_perl_handler; | |
892 | |
893 return NGX_CONF_OK; | |
894 } | |
895 | |
896 | |
897 static char * | |
898 ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
899 { | |
900 ngx_int_t index; | |
901 ngx_str_t *value; | |
902 ngx_http_variable_t *v; | |
903 ngx_http_perl_variable_t *pv; | |
904 ngx_http_perl_main_conf_t *pmcf; | |
905 | |
906 value = cf->args->elts; | |
907 | |
908 if (value[1].data[0] != '$') { | |
909 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
910 "invalid variable name \"%V\"", &value[1]); | |
911 return NGX_CONF_ERROR; | |
912 } | |
913 | |
914 value[1].len--; | |
915 value[1].data++; | |
916 | |
917 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGABLE); | |
918 if (v == NULL) { | |
919 return NGX_CONF_ERROR; | |
920 } | |
921 | |
922 pv = ngx_palloc(cf->pool, sizeof(ngx_http_perl_variable_t)); | |
923 if (pv == NULL) { | |
924 return NGX_CONF_ERROR; | |
925 } | |
926 | |
927 index = ngx_http_get_variable_index(cf, &value[1]); | |
928 if (index == NGX_ERROR) { | |
929 return NGX_CONF_ERROR; | |
930 } | |
931 | |
932 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
933 | |
934 if (pmcf->perl == NULL) { | |
935 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
936 return NGX_CONF_ERROR; | |
937 } | |
938 } | |
939 | |
940 pv->handler = value[2]; | |
941 | |
942 { | |
943 | |
944 dTHXa(pmcf->perl); | |
945 | |
946 ngx_http_perl_eval_anon_sub(aTHX_ &value[2], &pv->sub); | |
947 | |
948 if (pv->sub == &PL_sv_undef) { | |
949 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
950 "eval_pv(\"%V\") failed", &value[2]); | |
951 return NGX_CONF_ERROR; | |
952 } | |
953 | |
954 if (pv->sub == NULL) { | |
955 pv->sub = newSVpvn((char *) value[2].data, value[2].len); | |
956 } | |
957 | |
958 } | |
959 | |
960 v->handler = ngx_http_perl_variable; | |
961 v->data = (uintptr_t) pv; | |
962 | |
963 return NGX_CONF_OK; | |
964 } | |
965 | |
966 | |
967 static char * | |
968 ngx_http_perl_interp_max_unsupported(ngx_conf_t *cf, void *post, void *data) | |
969 { | |
970 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY) | |
971 | |
972 return NGX_CONF_OK; | |
973 | |
974 #else | |
975 | |
976 return "to use perl_interp_max you have to build perl with " | |
977 "-Dusemultiplicity or -Dusethreads options"; | |
978 | |
979 #endif | |
980 } |