Mercurial > hg > nginx
annotate src/http/modules/perl/ngx_http_perl_module.c @ 870:783c198b4ded
fix recursive perl_set variable call
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Sat, 25 Nov 2006 23:27:06 +0000 |
parents | 6a99bc84c135 |
children | a980f66c04fb |
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 **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 | |
653 | 37 typedef struct { |
38 SV *sv; | |
39 PerlInterpreter *perl; | |
40 } ngx_http_perl_cleanup_t; | |
41 | |
42 | |
617 | 43 #if (NGX_HTTP_SSI) |
599 | 44 static ngx_int_t ngx_http_perl_ssi(ngx_http_request_t *r, |
45 ngx_http_ssi_ctx_t *ssi_ctx, ngx_str_t **params); | |
617 | 46 #endif |
47 | |
599 | 48 static ngx_int_t |
49 ngx_http_perl_get_interpreter(ngx_http_perl_main_conf_t *pmcf, | |
50 PerlInterpreter **perl, ngx_log_t *log); | |
51 static ngx_inline void | |
52 ngx_http_perl_free_interpreter(ngx_http_perl_main_conf_t *pmcf, | |
53 PerlInterpreter *perl); | |
54 static char *ngx_http_perl_init_interpreter(ngx_conf_t *cf, | |
55 ngx_http_perl_main_conf_t *pmcf); | |
56 static PerlInterpreter * | |
57 ngx_http_perl_create_interpreter(ngx_http_perl_main_conf_t *pmcf, | |
58 ngx_log_t *log); | |
653 | 59 static ngx_int_t ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, |
649 | 60 ngx_log_t *log); |
599 | 61 static ngx_int_t ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, |
62 SV *sub, ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv); | |
63 static void ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv); | |
64 | |
65 static ngx_int_t ngx_http_perl_preconfiguration(ngx_conf_t *cf); | |
66 static void *ngx_http_perl_create_main_conf(ngx_conf_t *cf); | |
67 static char *ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf); | |
68 static void *ngx_http_perl_create_loc_conf(ngx_conf_t *cf); | |
69 static char *ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, | |
70 void *child); | |
71 static char *ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, | |
72 void *conf); | |
73 static char *ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
74 static char *ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
75 static char *ngx_http_perl_interp_max_unsupported(ngx_conf_t *cf, void *post, | |
76 void *data); | |
649 | 77 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY) |
599 | 78 static void ngx_http_perl_cleanup_perl(void *data); |
649 | 79 #endif |
80 static void ngx_http_perl_cleanup_sv(void *data); | |
599 | 81 |
82 | |
83 static ngx_conf_post_handler_pt ngx_http_perl_interp_max_p = | |
84 ngx_http_perl_interp_max_unsupported; | |
85 | |
86 | |
87 static ngx_command_t ngx_http_perl_commands[] = { | |
88 | |
89 { ngx_string("perl_modules"), | |
90 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, | |
91 ngx_conf_set_str_slot, | |
92 NGX_HTTP_MAIN_CONF_OFFSET, | |
93 offsetof(ngx_http_perl_main_conf_t, modules), | |
94 NULL }, | |
95 | |
96 { ngx_string("perl_require"), | |
97 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, | |
98 ngx_http_perl_require, | |
99 NGX_HTTP_MAIN_CONF_OFFSET, | |
100 0, | |
101 NULL }, | |
102 | |
103 { ngx_string("perl_interp_max"), | |
104 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, | |
105 ngx_conf_set_num_slot, | |
106 NGX_HTTP_MAIN_CONF_OFFSET, | |
107 offsetof(ngx_http_perl_main_conf_t, interp_max), | |
108 &ngx_http_perl_interp_max_p }, | |
109 | |
110 { ngx_string("perl"), | |
111 NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
112 ngx_http_perl, | |
113 NGX_HTTP_LOC_CONF_OFFSET, | |
114 0, | |
115 NULL }, | |
116 | |
117 { ngx_string("perl_set"), | |
118 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE2, | |
119 ngx_http_perl_set, | |
120 NGX_HTTP_LOC_CONF_OFFSET, | |
121 0, | |
122 NULL }, | |
123 | |
124 ngx_null_command | |
125 }; | |
126 | |
127 | |
128 static ngx_http_module_t ngx_http_perl_module_ctx = { | |
129 ngx_http_perl_preconfiguration, /* preconfiguration */ | |
130 NULL, /* postconfiguration */ | |
131 | |
132 ngx_http_perl_create_main_conf, /* create main configuration */ | |
133 ngx_http_perl_init_main_conf, /* init main configuration */ | |
134 | |
135 NULL, /* create server configuration */ | |
136 NULL, /* merge server configuration */ | |
137 | |
138 ngx_http_perl_create_loc_conf, /* create location configuration */ | |
139 ngx_http_perl_merge_loc_conf /* merge location configuration */ | |
140 }; | |
141 | |
142 | |
143 ngx_module_t ngx_http_perl_module = { | |
144 NGX_MODULE_V1, | |
145 &ngx_http_perl_module_ctx, /* module context */ | |
146 ngx_http_perl_commands, /* module directives */ | |
147 NGX_HTTP_MODULE, /* module type */ | |
148 NULL, /* init master */ | |
149 NULL, /* init module */ | |
150 NULL, /* init process */ | |
151 NULL, /* init thread */ | |
152 NULL, /* exit thread */ | |
153 NULL, /* exit process */ | |
154 NULL, /* exit master */ | |
155 NGX_MODULE_V1_PADDING | |
156 }; | |
157 | |
158 | |
617 | 159 #if (NGX_HTTP_SSI) |
160 | |
599 | 161 #define NGX_HTTP_PERL_SSI_SUB 0 |
162 #define NGX_HTTP_PERL_SSI_ARG 1 | |
163 | |
164 | |
165 static ngx_http_ssi_param_t ngx_http_perl_ssi_params[] = { | |
166 { ngx_string("sub"), NGX_HTTP_PERL_SSI_SUB, 1, 0 }, | |
167 { ngx_string("arg"), NGX_HTTP_PERL_SSI_ARG, 0, 1 }, | |
168 { ngx_null_string, 0, 0, 0 } | |
169 }; | |
170 | |
171 static ngx_http_ssi_command_t ngx_http_perl_ssi_command = { | |
667 | 172 ngx_string("perl"), ngx_http_perl_ssi, ngx_http_perl_ssi_params, 0, 0, 1 |
599 | 173 }; |
174 | |
617 | 175 #endif |
176 | |
599 | 177 |
681 | 178 static ngx_str_t ngx_null_name = ngx_null_string; |
179 | |
180 | |
633 | 181 static HV *nginx_stash; |
182 | |
599 | 183 static void |
184 ngx_http_perl_xs_init(pTHX) | |
185 { | |
186 newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, __FILE__); | |
633 | 187 |
188 nginx_stash = gv_stashpv("nginx", TRUE); | |
599 | 189 } |
190 | |
191 | |
192 static ngx_int_t | |
193 ngx_http_perl_handler(ngx_http_request_t *r) | |
194 { | |
629 | 195 /* TODO: Win32 */ |
196 if (r->zero_in_uri) { | |
197 return NGX_HTTP_NOT_FOUND; | |
198 } | |
199 | |
681 | 200 ngx_http_perl_handle_request(r); |
201 | |
202 return NGX_DONE; | |
629 | 203 } |
204 | |
205 | |
681 | 206 void |
629 | 207 ngx_http_perl_handle_request(ngx_http_request_t *r) |
208 { | |
681 | 209 SV *sub; |
599 | 210 ngx_int_t rc; |
681 | 211 ngx_str_t uri, args, *handler; |
599 | 212 ngx_http_perl_ctx_t *ctx; |
213 ngx_http_perl_loc_conf_t *plcf; | |
214 ngx_http_perl_main_conf_t *pmcf; | |
215 | |
216 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl handler"); | |
217 | |
218 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
219 | |
220 if (ctx == NULL) { | |
221 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
222 if (ctx == NULL) { | |
681 | 223 ngx_http_finalize_request(r, NGX_ERROR); |
629 | 224 return; |
599 | 225 } |
226 | |
227 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
228 } | |
229 | |
230 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); | |
231 | |
232 rc = ngx_http_perl_get_interpreter(pmcf, &ctx->perl, r->connection->log); | |
233 | |
234 if (rc != NGX_OK) { | |
629 | 235 ngx_http_finalize_request(r, rc); |
236 return; | |
599 | 237 } |
238 | |
239 { | |
240 | |
241 dTHXa(ctx->perl); | |
242 | |
681 | 243 if (ctx->next == NULL) { |
244 plcf = ngx_http_get_module_loc_conf(r, ngx_http_perl_module); | |
245 sub = plcf->sub; | |
246 handler = &plcf->handler; | |
599 | 247 |
681 | 248 } else { |
249 sub = ctx->next; | |
250 handler = &ngx_null_name; | |
251 ctx->next = NULL; | |
252 } | |
253 | |
254 rc = ngx_http_perl_call_handler(aTHX_ r, sub, NULL, handler, NULL); | |
599 | 255 |
256 } | |
257 | |
258 ngx_http_perl_free_interpreter(pmcf, ctx->perl); | |
259 | |
260 if (rc > 600) { | |
261 rc = NGX_OK; | |
262 } | |
263 | |
264 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
265 "perl handler done: %i", rc); | |
266 | |
267 if (ctx->redirect_uri.len) { | |
268 uri = ctx->redirect_uri; | |
269 args = ctx->redirect_args; | |
629 | 270 |
271 } else { | |
272 uri.len = 0; | |
599 | 273 } |
274 | |
633 | 275 ctx->filename.data = NULL; |
599 | 276 ctx->redirect_uri.len = 0; |
277 | |
681 | 278 if (ctx->done || ctx->next) { |
279 return; | |
280 } | |
281 | |
599 | 282 if (uri.len) { |
629 | 283 ngx_http_internal_redirect(r, &uri, &args); |
284 return; | |
599 | 285 } |
286 | |
287 if (rc == NGX_OK || rc == NGX_HTTP_OK) { | |
629 | 288 ngx_http_send_special(r, NGX_HTTP_LAST); |
681 | 289 ctx->done = 1; |
599 | 290 } |
291 | |
629 | 292 ngx_http_finalize_request(r, rc); |
599 | 293 } |
294 | |
295 | |
296 static ngx_int_t | |
297 ngx_http_perl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
298 uintptr_t data) | |
299 { | |
300 ngx_http_perl_variable_t *pv = (ngx_http_perl_variable_t *) data; | |
301 | |
302 ngx_int_t rc; | |
870
783c198b4ded
fix recursive perl_set variable call
Igor Sysoev <igor@sysoev.ru>
parents:
867
diff
changeset
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303 ngx_uint_t recursive; |
599 | 304 ngx_str_t value; |
305 ngx_http_perl_ctx_t *ctx; | |
306 ngx_http_perl_main_conf_t *pmcf; | |
307 | |
308 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
309 "perl variable handler"); | |
310 | |
311 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
312 | |
313 if (ctx == NULL) { | |
314 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
315 if (ctx == NULL) { | |
316 return NGX_ERROR; | |
317 } | |
318 | |
319 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
870
783c198b4ded
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Igor Sysoev <igor@sysoev.ru>
parents:
867
diff
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320 |
783c198b4ded
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Igor Sysoev <igor@sysoev.ru>
parents:
867
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321 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); |
599 | 322 |
870
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parents:
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diff
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323 rc = ngx_http_perl_get_interpreter(pmcf, &ctx->perl, |
783c198b4ded
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parents:
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diff
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324 r->connection->log); |
599 | 325 |
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326 if (rc != NGX_OK) { |
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parents:
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327 return rc; |
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Igor Sysoev <igor@sysoev.ru>
parents:
867
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328 } |
599 | 329 |
870
783c198b4ded
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Igor Sysoev <igor@sysoev.ru>
parents:
867
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330 recursive = 0; |
783c198b4ded
fix recursive perl_set variable call
Igor Sysoev <igor@sysoev.ru>
parents:
867
diff
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331 |
783c198b4ded
fix recursive perl_set variable call
Igor Sysoev <igor@sysoev.ru>
parents:
867
diff
changeset
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332 } else { |
783c198b4ded
fix recursive perl_set variable call
Igor Sysoev <igor@sysoev.ru>
parents:
867
diff
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333 pmcf = NULL; |
783c198b4ded
fix recursive perl_set variable call
Igor Sysoev <igor@sysoev.ru>
parents:
867
diff
changeset
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334 recursive = 1; |
599 | 335 } |
336 | |
337 value.data = NULL; | |
338 | |
339 { | |
340 | |
341 dTHXa(ctx->perl); | |
342 | |
343 rc = ngx_http_perl_call_handler(aTHX_ r, pv->sub, NULL, | |
344 &pv->handler, &value); | |
345 | |
346 } | |
347 | |
870
783c198b4ded
fix recursive perl_set variable call
Igor Sysoev <igor@sysoev.ru>
parents:
867
diff
changeset
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348 if (recursive == 0) { |
783c198b4ded
fix recursive perl_set variable call
Igor Sysoev <igor@sysoev.ru>
parents:
867
diff
changeset
|
349 ngx_http_perl_free_interpreter(pmcf, ctx->perl); |
783c198b4ded
fix recursive perl_set variable call
Igor Sysoev <igor@sysoev.ru>
parents:
867
diff
changeset
|
350 } |
599 | 351 |
352 if (value.data) { | |
353 v->len = value.len; | |
354 v->valid = 1; | |
355 v->no_cachable = 0; | |
356 v->not_found = 0; | |
357 v->data = value.data; | |
358 | |
359 } else { | |
360 v->not_found = 1; | |
361 } | |
362 | |
633 | 363 ctx->filename.data = NULL; |
599 | 364 ctx->redirect_uri.len = 0; |
365 | |
366 return rc; | |
367 } | |
368 | |
369 | |
617 | 370 #if (NGX_HTTP_SSI) |
371 | |
599 | 372 static ngx_int_t |
373 ngx_http_perl_ssi(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ssi_ctx, | |
374 ngx_str_t **params) | |
375 { | |
376 SV *sv; | |
377 ngx_int_t rc; | |
378 ngx_str_t *handler; | |
379 ngx_http_perl_ctx_t *ctx; | |
380 ngx_http_perl_main_conf_t *pmcf; | |
381 | |
382 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
383 "perl ssi handler"); | |
384 | |
385 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); | |
386 | |
387 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
388 | |
389 if (ctx == NULL) { | |
390 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
391 if (ctx == NULL) { | |
392 return NGX_ERROR; | |
393 } | |
394 | |
395 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
396 } | |
397 | |
398 rc = ngx_http_perl_get_interpreter(pmcf, &ctx->perl, r->connection->log); | |
399 | |
400 if (rc != NGX_OK) { | |
401 return rc; | |
402 } | |
403 | |
404 ctx->ssi = ssi_ctx; | |
405 | |
406 handler = params[NGX_HTTP_PERL_SSI_SUB]; | |
407 handler->data[handler->len] = '\0'; | |
408 | |
409 { | |
410 | |
411 dTHXa(ctx->perl); | |
412 | |
651 | 413 #if 0 |
414 | |
415 /* the code is disabled to force the precompiled perl code using only */ | |
416 | |
417 ngx_http_perl_eval_anon_sub(aTHX_ handler, &sv); | |
418 | |
419 if (sv == &PL_sv_undef) { | |
420 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
421 "eval_pv(\"%V\") failed", handler); | |
422 return NGX_ERROR; | |
423 } | |
424 | |
425 if (sv == NULL) { | |
426 sv = newSVpvn((char *) handler->data, handler->len); | |
427 } | |
428 | |
429 #endif | |
430 | |
599 | 431 sv = newSVpvn((char *) handler->data, handler->len); |
432 | |
433 rc = ngx_http_perl_call_handler(aTHX_ r, sv, ¶ms[NGX_HTTP_PERL_SSI_ARG], | |
434 handler, NULL); | |
435 | |
436 SvREFCNT_dec(sv); | |
437 | |
438 } | |
439 | |
440 ngx_http_perl_free_interpreter(pmcf, ctx->perl); | |
441 | |
633 | 442 ctx->filename.data = NULL; |
599 | 443 ctx->redirect_uri.len = 0; |
444 ctx->ssi = NULL; | |
445 | |
446 return rc; | |
447 } | |
448 | |
617 | 449 #endif |
450 | |
599 | 451 |
452 static ngx_int_t | |
453 ngx_http_perl_get_interpreter(ngx_http_perl_main_conf_t *pmcf, | |
454 PerlInterpreter **perl, ngx_log_t *log) | |
455 { | |
456 if (pmcf->interp) { | |
457 pmcf->interp--; | |
458 | |
459 *perl = pmcf->free_perls[pmcf->interp]; | |
460 | |
461 return NGX_OK; | |
462 } | |
463 | |
464 if (pmcf->nalloc < pmcf->interp_max) { | |
465 *perl = ngx_http_perl_create_interpreter(pmcf, log); | |
466 | |
467 if (*perl) { | |
468 return NGX_OK; | |
469 } | |
470 | |
471 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
472 } | |
473 | |
474 ngx_log_error(NGX_LOG_ALERT, log, 0, "no free perl interpreter"); | |
475 | |
476 return NGX_HTTP_SERVICE_UNAVAILABLE; | |
477 } | |
478 | |
479 | |
480 static ngx_inline void | |
481 ngx_http_perl_free_interpreter(ngx_http_perl_main_conf_t *pmcf, | |
482 PerlInterpreter *perl) | |
483 { | |
484 pmcf->free_perls[pmcf->interp++] = perl; | |
485 } | |
486 | |
487 | |
488 static char * | |
489 ngx_http_perl_init_interpreter(ngx_conf_t *cf, ngx_http_perl_main_conf_t *pmcf) | |
490 { | |
649 | 491 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY) |
653 | 492 ngx_pool_cleanup_t *cln; |
599 | 493 |
494 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
495 if (cln == NULL) { | |
496 return NGX_CONF_ERROR; | |
497 } | |
498 | |
649 | 499 #else |
500 static PerlInterpreter *perl; | |
501 #endif | |
502 | |
599 | 503 #ifdef NGX_PERL_MODULES |
504 if (pmcf->modules.data == NULL) { | |
505 pmcf->modules.data = NGX_PERL_MODULES; | |
506 } | |
507 #endif | |
508 | |
639 | 509 if (pmcf->modules.data) { |
510 if (ngx_conf_full_name(cf->cycle, &pmcf->modules) != NGX_OK) { | |
511 return NGX_CONF_ERROR; | |
512 } | |
629 | 513 } |
514 | |
649 | 515 #if !(NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY) |
516 | |
517 if (perl) { | |
653 | 518 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, cf->log) |
519 != NGX_OK) | |
520 { | |
649 | 521 return NGX_CONF_ERROR; |
522 } | |
523 | |
524 pmcf->perl = perl; | |
525 | |
526 return NGX_CONF_OK; | |
527 } | |
528 | |
529 #endif | |
530 | |
599 | 531 PERL_SYS_INIT(&ngx_argc, &ngx_argv); |
532 | |
533 pmcf->perl = ngx_http_perl_create_interpreter(pmcf, cf->log); | |
534 | |
535 if (pmcf->perl == NULL) { | |
536 PERL_SYS_TERM(); | |
537 return NGX_CONF_ERROR; | |
538 } | |
539 | |
649 | 540 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY) |
541 | |
599 | 542 cln->handler = ngx_http_perl_cleanup_perl; |
543 cln->data = pmcf->perl; | |
544 | |
649 | 545 #else |
546 | |
547 perl = pmcf->perl; | |
548 | |
549 #endif | |
550 | |
599 | 551 return NGX_CONF_OK; |
552 } | |
553 | |
554 | |
555 static PerlInterpreter * | |
556 ngx_http_perl_create_interpreter(ngx_http_perl_main_conf_t *pmcf, | |
557 ngx_log_t *log) | |
558 { | |
559 int n; | |
775 | 560 STRLEN len; |
561 SV *sv; | |
562 char *ver, *embedding[6]; | |
599 | 563 PerlInterpreter *perl; |
564 | |
565 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "create perl interpreter"); | |
566 | |
567 #if (NGX_HAVE_PERL_CLONE) | |
568 | |
569 if (pmcf->perl) { | |
570 | |
571 perl = perl_clone(pmcf->perl, CLONEf_KEEP_PTR_TABLE); | |
572 if (perl == NULL) { | |
573 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_clone() failed"); | |
574 return NULL; | |
575 } | |
576 | |
577 { | |
578 | |
579 dTHXa(perl); | |
580 | |
581 ptr_table_free(PL_ptr_table); | |
582 PL_ptr_table = NULL; | |
583 | |
584 } | |
585 | |
586 pmcf->nalloc++; | |
587 | |
588 return perl; | |
589 } | |
590 | |
591 #endif | |
592 | |
593 perl = perl_alloc(); | |
594 if (perl == NULL) { | |
595 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_alloc() failed"); | |
596 return NULL; | |
597 } | |
598 | |
599 perl_construct(perl); | |
600 | |
601 { | |
602 | |
603 dTHXa(perl); | |
604 | |
605 #ifdef PERL_EXIT_DESTRUCT_END | |
606 PL_exit_flags |= PERL_EXIT_DESTRUCT_END; | |
607 #endif | |
608 | |
609 embedding[0] = ""; | |
610 | |
611 if (pmcf->modules.data) { | |
612 embedding[1] = "-I"; | |
613 embedding[2] = (char *) pmcf->modules.data; | |
614 n = 3; | |
615 | |
616 } else { | |
617 n = 1; | |
618 } | |
619 | |
620 embedding[n++] = "-Mnginx"; | |
621 embedding[n++] = "-e"; | |
622 embedding[n++] = "0"; | |
623 | |
624 n = perl_parse(perl, ngx_http_perl_xs_init, n, embedding, NULL); | |
625 | |
626 if (n != 0) { | |
627 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_parse() failed: %d", n); | |
628 goto fail; | |
629 } | |
630 | |
775 | 631 sv = get_sv("nginx::VERSION", FALSE); |
632 ver = SvPV(sv, len); | |
633 | |
634 if (ngx_strcmp(ver, NGINX_VERSION) != 0) { | |
635 ngx_log_error(NGX_LOG_ALERT, log, 0, | |
636 "version " NGINX_VERSION " of nginx.pm is required, " | |
637 "but %s was found", ver); | |
638 goto fail; | |
639 } | |
640 | |
653 | 641 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, log) != NGX_OK) { |
649 | 642 goto fail; |
599 | 643 } |
644 | |
645 } | |
646 | |
647 pmcf->nalloc++; | |
648 | |
649 return perl; | |
650 | |
651 fail: | |
652 | |
653 (void) perl_destruct(perl); | |
654 | |
655 perl_free(perl); | |
656 | |
657 return NULL; | |
658 } | |
659 | |
660 | |
649 | 661 static ngx_int_t |
653 | 662 ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, ngx_log_t *log) |
649 | 663 { |
664 char **script; | |
665 STRLEN len; | |
666 ngx_str_t err; | |
667 ngx_uint_t i; | |
668 | |
669 script = requires->elts; | |
670 for (i = 0; i < requires->nelts; i++) { | |
671 | |
672 require_pv(script[i]); | |
673 | |
674 if (SvTRUE(ERRSV)) { | |
675 | |
676 err.data = (u_char *) SvPV(ERRSV, len); | |
677 for (len--; err.data[len] == LF || err.data[len] == CR; len--) { | |
678 /* void */ | |
679 } | |
680 err.len = len + 1; | |
681 | |
682 ngx_log_error(NGX_LOG_EMERG, log, 0, | |
683 "require_pv(\"%s\") failed: \"%V\"", script[i], &err); | |
684 | |
685 return NGX_ERROR; | |
686 } | |
687 } | |
688 | |
689 return NGX_OK; | |
690 } | |
691 | |
692 | |
599 | 693 static ngx_int_t |
694 ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, SV *sub, | |
695 ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv) | |
696 { | |
697 SV *sv; | |
698 int n, status; | |
699 char *line; | |
700 STRLEN len, n_a; | |
701 ngx_str_t err; | |
702 ngx_uint_t i; | |
703 | |
704 dSP; | |
705 | |
706 status = 0; | |
707 | |
708 ENTER; | |
709 SAVETMPS; | |
710 | |
711 PUSHMARK(sp); | |
712 | |
633 | 713 sv = sv_2mortal(sv_bless(newRV_noinc(newSViv(PTR2IV(r))), nginx_stash)); |
599 | 714 XPUSHs(sv); |
715 | |
716 if (args) { | |
717 for (i = 0; args[i]; i++) { /* void */ } | |
718 | |
719 EXTEND(sp, (int) i); | |
720 | |
721 for (i = 0; args[i]; i++) { | |
722 PUSHs(sv_2mortal(newSVpvn((char *) args[i]->data, args[i]->len))); | |
723 } | |
724 } | |
725 | |
726 PUTBACK; | |
727 | |
728 n = call_sv(sub, G_EVAL); | |
729 | |
730 SPAGAIN; | |
731 | |
732 if (n) { | |
733 if (rv == NULL) { | |
734 status = POPi; | |
735 | |
736 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
737 "call_sv: %d", status); | |
738 | |
739 } else { | |
619 | 740 line = SvPVx(POPs, n_a); |
599 | 741 rv->len = n_a; |
742 | |
743 rv->data = ngx_palloc(r->pool, n_a); | |
744 if (rv->data == NULL) { | |
745 return NGX_ERROR; | |
746 } | |
747 | |
748 ngx_memcpy(rv->data, line, n_a); | |
749 } | |
750 } | |
751 | |
752 PUTBACK; | |
753 | |
754 FREETMPS; | |
755 LEAVE; | |
756 | |
757 /* check $@ */ | |
758 | |
759 if (SvTRUE(ERRSV)) { | |
760 | |
761 err.data = (u_char *) SvPV(ERRSV, len); | |
762 for (len--; err.data[len] == LF || err.data[len] == CR; len--) { | |
763 /* void */ | |
764 } | |
765 err.len = len + 1; | |
766 | |
767 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
768 "call_sv(\"%V\") failed: \"%V\"", | |
769 handler, &err); | |
770 | |
771 if (rv) { | |
772 return NGX_ERROR; | |
773 } | |
774 | |
775 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
776 } | |
777 | |
778 if (n != 1) { | |
779 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
780 "call_sv(\"%V\") returned %d results", handler, n); | |
781 status = NGX_OK; | |
782 } | |
783 | |
784 if (rv) { | |
785 return NGX_OK; | |
786 } | |
787 | |
788 return (ngx_int_t) status; | |
789 } | |
790 | |
791 | |
792 static void | |
793 ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv) | |
794 { | |
623 | 795 u_char *p; |
796 | |
797 for (p = handler->data; *p; p++) { | |
798 if (*p != ' ' && *p != '\t' && *p != CR && *p != LF) { | |
799 break; | |
800 } | |
801 } | |
802 | |
649 | 803 if (ngx_strncmp(p, "sub ", 4) == 0 || ngx_strncmp(p, "use ", 4) == 0) { |
623 | 804 *sv = eval_pv((char *) p, FALSE); |
599 | 805 return; |
806 } | |
807 | |
808 *sv = NULL; | |
809 } | |
810 | |
811 | |
812 static void * | |
813 ngx_http_perl_create_main_conf(ngx_conf_t *cf) | |
814 { | |
815 ngx_http_perl_main_conf_t *pmcf; | |
816 | |
817 pmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_main_conf_t)); | |
818 if (pmcf == NULL) { | |
819 return NGX_CONF_ERROR; | |
820 } | |
821 | |
822 pmcf->interp_max = NGX_CONF_UNSET_UINT; | |
823 | |
824 if (ngx_array_init(&pmcf->requires, cf->pool, 1, sizeof(u_char *)) | |
825 != NGX_OK) | |
826 { | |
827 return NULL; | |
828 } | |
829 | |
830 return pmcf; | |
831 } | |
832 | |
833 | |
834 static char * | |
835 ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf) | |
836 { | |
837 ngx_http_perl_main_conf_t *pmcf = conf; | |
838 | |
839 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY) | |
663 | 840 ngx_conf_init_uint_value(pmcf->interp_max, 10); |
599 | 841 #else |
663 | 842 ngx_conf_init_uint_value(pmcf->interp_max, 1); |
599 | 843 #endif |
844 | |
845 pmcf->free_perls = ngx_pcalloc(cf->pool, | |
846 pmcf->interp_max * sizeof(PerlInterpreter *)); | |
847 if (pmcf->free_perls == NULL) { | |
848 return NGX_CONF_ERROR; | |
849 } | |
850 | |
851 if (pmcf->perl == NULL) { | |
852 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
853 return NGX_CONF_ERROR; | |
854 } | |
855 } | |
856 | |
857 #if !(NGX_HAVE_PERL_CLONE) | |
858 ngx_http_perl_free_interpreter(pmcf, pmcf->perl); | |
859 #endif | |
860 | |
861 return NGX_CONF_OK; | |
862 } | |
863 | |
864 | |
649 | 865 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY) |
866 | |
599 | 867 static void |
868 ngx_http_perl_cleanup_perl(void *data) | |
869 { | |
649 | 870 PerlInterpreter *perl = data; |
599 | 871 |
872 (void) perl_destruct(perl); | |
873 | |
874 perl_free(perl); | |
875 | |
876 PERL_SYS_TERM(); | |
877 } | |
878 | |
649 | 879 #endif |
880 | |
881 | |
882 static void | |
883 ngx_http_perl_cleanup_sv(void *data) | |
884 { | |
653 | 885 ngx_http_perl_cleanup_t *cln = data; |
649 | 886 |
653 | 887 dTHXa(cln->perl); |
888 | |
889 SvREFCNT_dec(cln->sv); | |
649 | 890 } |
891 | |
599 | 892 |
893 static ngx_int_t | |
894 ngx_http_perl_preconfiguration(ngx_conf_t *cf) | |
895 { | |
617 | 896 #if (NGX_HTTP_SSI) |
599 | 897 ngx_int_t rc; |
898 ngx_http_ssi_main_conf_t *smcf; | |
899 | |
900 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module); | |
901 | |
902 rc = ngx_hash_add_key(&smcf->commands, &ngx_http_perl_ssi_command.name, | |
903 &ngx_http_perl_ssi_command, NGX_HASH_READONLY_KEY); | |
904 | |
905 if (rc != NGX_OK) { | |
906 if (rc == NGX_BUSY) { | |
907 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
908 "conflicting SSI command \"%V\"", | |
909 &ngx_http_perl_ssi_command.name); | |
910 } | |
911 | |
912 return NGX_ERROR; | |
913 } | |
617 | 914 #endif |
599 | 915 |
916 return NGX_OK; | |
917 } | |
918 | |
919 | |
920 static void * | |
921 ngx_http_perl_create_loc_conf(ngx_conf_t *cf) | |
922 { | |
923 ngx_http_perl_loc_conf_t *plcf; | |
924 | |
925 plcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_loc_conf_t)); | |
926 if (plcf == NULL) { | |
927 return NGX_CONF_ERROR; | |
928 } | |
929 | |
930 /* | |
931 * set by ngx_pcalloc(): | |
932 * | |
933 * plcf->handler = { 0, NULL }; | |
934 */ | |
935 | |
936 return plcf; | |
937 } | |
938 | |
939 | |
940 static char * | |
941 ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
942 { | |
943 ngx_http_perl_loc_conf_t *prev = parent; | |
944 ngx_http_perl_loc_conf_t *conf = child; | |
945 | |
946 if (conf->sub == NULL) { | |
947 conf->sub = prev->sub; | |
948 conf->handler = prev->handler; | |
949 } | |
950 | |
951 return NGX_CONF_OK; | |
952 } | |
953 | |
954 | |
955 static char * | |
956 ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
957 { | |
958 ngx_http_perl_main_conf_t *pmcf = conf; | |
959 | |
960 u_char **p; | |
961 ngx_str_t *value; | |
962 | |
963 value = cf->args->elts; | |
964 | |
965 p = ngx_array_push(&pmcf->requires); | |
966 | |
967 if (p == NULL) { | |
968 return NGX_CONF_ERROR; | |
969 } | |
970 | |
971 *p = value[1].data; | |
972 | |
973 return NGX_CONF_OK; | |
974 } | |
975 | |
976 | |
977 static char * | |
978 ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
979 { | |
980 ngx_http_perl_loc_conf_t *plcf = conf; | |
981 | |
982 ngx_str_t *value; | |
649 | 983 ngx_pool_cleanup_t *cln; |
653 | 984 ngx_http_perl_cleanup_t *pcln; |
599 | 985 ngx_http_core_loc_conf_t *clcf; |
986 ngx_http_perl_main_conf_t *pmcf; | |
987 | |
988 value = cf->args->elts; | |
989 | |
990 if (plcf->handler.data) { | |
991 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
992 "duplicate perl handler \"%V\"", &value[1]); | |
993 return NGX_CONF_ERROR; | |
994 } | |
995 | |
996 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
997 | |
998 if (pmcf->perl == NULL) { | |
999 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
1000 return NGX_CONF_ERROR; | |
1001 } | |
1002 } | |
1003 | |
653 | 1004 cln = ngx_pool_cleanup_add(cf->pool, sizeof(ngx_http_perl_cleanup_t)); |
649 | 1005 if (cln == NULL) { |
1006 return NGX_CONF_ERROR; | |
1007 } | |
1008 | |
599 | 1009 plcf->handler = value[1]; |
1010 | |
1011 { | |
1012 | |
1013 dTHXa(pmcf->perl); | |
1014 | |
1015 ngx_http_perl_eval_anon_sub(aTHX_ &value[1], &plcf->sub); | |
1016 | |
1017 if (plcf->sub == &PL_sv_undef) { | |
1018 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
1019 "eval_pv(\"%V\") failed", &value[1]); | |
1020 return NGX_CONF_ERROR; | |
1021 } | |
1022 | |
1023 if (plcf->sub == NULL) { | |
1024 plcf->sub = newSVpvn((char *) value[1].data, value[1].len); | |
1025 } | |
1026 | |
1027 } | |
1028 | |
649 | 1029 cln->handler = ngx_http_perl_cleanup_sv; |
653 | 1030 pcln = cln->data; |
1031 pcln->sv = plcf->sub; | |
1032 pcln->perl = pmcf->perl; | |
649 | 1033 |
599 | 1034 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); |
1035 clcf->handler = ngx_http_perl_handler; | |
1036 | |
1037 return NGX_CONF_OK; | |
1038 } | |
1039 | |
1040 | |
1041 static char * | |
1042 ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
1043 { | |
1044 ngx_int_t index; | |
1045 ngx_str_t *value; | |
649 | 1046 ngx_pool_cleanup_t *cln; |
599 | 1047 ngx_http_variable_t *v; |
653 | 1048 ngx_http_perl_cleanup_t *pcln; |
599 | 1049 ngx_http_perl_variable_t *pv; |
1050 ngx_http_perl_main_conf_t *pmcf; | |
1051 | |
1052 value = cf->args->elts; | |
1053 | |
1054 if (value[1].data[0] != '$') { | |
1055 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1056 "invalid variable name \"%V\"", &value[1]); | |
1057 return NGX_CONF_ERROR; | |
1058 } | |
1059 | |
1060 value[1].len--; | |
1061 value[1].data++; | |
1062 | |
1063 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGABLE); | |
1064 if (v == NULL) { | |
1065 return NGX_CONF_ERROR; | |
1066 } | |
1067 | |
1068 pv = ngx_palloc(cf->pool, sizeof(ngx_http_perl_variable_t)); | |
1069 if (pv == NULL) { | |
1070 return NGX_CONF_ERROR; | |
1071 } | |
1072 | |
1073 index = ngx_http_get_variable_index(cf, &value[1]); | |
1074 if (index == NGX_ERROR) { | |
1075 return NGX_CONF_ERROR; | |
1076 } | |
1077 | |
1078 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
1079 | |
1080 if (pmcf->perl == NULL) { | |
1081 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
1082 return NGX_CONF_ERROR; | |
1083 } | |
1084 } | |
1085 | |
653 | 1086 cln = ngx_pool_cleanup_add(cf->pool, sizeof(ngx_http_perl_cleanup_t)); |
649 | 1087 if (cln == NULL) { |
1088 return NGX_CONF_ERROR; | |
1089 } | |
1090 | |
599 | 1091 pv->handler = value[2]; |
1092 | |
1093 { | |
1094 | |
1095 dTHXa(pmcf->perl); | |
1096 | |
1097 ngx_http_perl_eval_anon_sub(aTHX_ &value[2], &pv->sub); | |
1098 | |
1099 if (pv->sub == &PL_sv_undef) { | |
1100 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
1101 "eval_pv(\"%V\") failed", &value[2]); | |
1102 return NGX_CONF_ERROR; | |
1103 } | |
1104 | |
1105 if (pv->sub == NULL) { | |
1106 pv->sub = newSVpvn((char *) value[2].data, value[2].len); | |
1107 } | |
1108 | |
1109 } | |
1110 | |
649 | 1111 cln->handler = ngx_http_perl_cleanup_sv; |
653 | 1112 pcln = cln->data; |
1113 pcln->sv = pv->sub; | |
1114 pcln->perl = pmcf->perl; | |
649 | 1115 |
637 | 1116 v->get_handler = ngx_http_perl_variable; |
599 | 1117 v->data = (uintptr_t) pv; |
1118 | |
1119 return NGX_CONF_OK; | |
1120 } | |
1121 | |
1122 | |
1123 static char * | |
1124 ngx_http_perl_interp_max_unsupported(ngx_conf_t *cf, void *post, void *data) | |
1125 { | |
1126 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY) | |
1127 | |
1128 return NGX_CONF_OK; | |
1129 | |
1130 #else | |
1131 | |
1132 return "to use perl_interp_max you have to build perl with " | |
1133 "-Dusemultiplicity or -Dusethreads options"; | |
1134 | |
1135 #endif | |
1136 } |