Mercurial > hg > nginx-quic
annotate src/http/modules/perl/ngx_http_perl_module.c @ 871:a980f66c04fb
add debug logging
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Sat, 25 Nov 2006 23:27:34 +0000 |
parents | 783c198b4ded |
children | 1c4a5b3f9110 |
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
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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
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parents:
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320 |
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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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323 rc = ngx_http_perl_get_interpreter(pmcf, &ctx->perl, |
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parents:
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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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parents:
867
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328 } |
599 | 329 |
870
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parents:
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330 recursive = 0; |
783c198b4ded
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Igor Sysoev <igor@sysoev.ru>
parents:
867
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331 |
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Igor Sysoev <igor@sysoev.ru>
parents:
867
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332 } else { |
783c198b4ded
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Igor Sysoev <igor@sysoev.ru>
parents:
867
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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
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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
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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
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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 | |
871 | 366 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
367 "perl variable done"); | |
368 | |
599 | 369 return rc; |
370 } | |
371 | |
372 | |
617 | 373 #if (NGX_HTTP_SSI) |
374 | |
599 | 375 static ngx_int_t |
376 ngx_http_perl_ssi(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ssi_ctx, | |
377 ngx_str_t **params) | |
378 { | |
379 SV *sv; | |
380 ngx_int_t rc; | |
381 ngx_str_t *handler; | |
382 ngx_http_perl_ctx_t *ctx; | |
383 ngx_http_perl_main_conf_t *pmcf; | |
384 | |
385 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
386 "perl ssi handler"); | |
387 | |
388 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); | |
389 | |
390 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
391 | |
392 if (ctx == NULL) { | |
393 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
394 if (ctx == NULL) { | |
395 return NGX_ERROR; | |
396 } | |
397 | |
398 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
399 } | |
400 | |
401 rc = ngx_http_perl_get_interpreter(pmcf, &ctx->perl, r->connection->log); | |
402 | |
403 if (rc != NGX_OK) { | |
404 return rc; | |
405 } | |
406 | |
407 ctx->ssi = ssi_ctx; | |
408 | |
409 handler = params[NGX_HTTP_PERL_SSI_SUB]; | |
410 handler->data[handler->len] = '\0'; | |
411 | |
412 { | |
413 | |
414 dTHXa(ctx->perl); | |
415 | |
651 | 416 #if 0 |
417 | |
418 /* the code is disabled to force the precompiled perl code using only */ | |
419 | |
420 ngx_http_perl_eval_anon_sub(aTHX_ handler, &sv); | |
421 | |
422 if (sv == &PL_sv_undef) { | |
423 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
424 "eval_pv(\"%V\") failed", handler); | |
425 return NGX_ERROR; | |
426 } | |
427 | |
428 if (sv == NULL) { | |
429 sv = newSVpvn((char *) handler->data, handler->len); | |
430 } | |
431 | |
432 #endif | |
433 | |
599 | 434 sv = newSVpvn((char *) handler->data, handler->len); |
435 | |
436 rc = ngx_http_perl_call_handler(aTHX_ r, sv, ¶ms[NGX_HTTP_PERL_SSI_ARG], | |
437 handler, NULL); | |
438 | |
439 SvREFCNT_dec(sv); | |
440 | |
441 } | |
442 | |
443 ngx_http_perl_free_interpreter(pmcf, ctx->perl); | |
444 | |
633 | 445 ctx->filename.data = NULL; |
599 | 446 ctx->redirect_uri.len = 0; |
447 ctx->ssi = NULL; | |
448 | |
871 | 449 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl ssi done"); |
450 | |
599 | 451 return rc; |
452 } | |
453 | |
617 | 454 #endif |
455 | |
599 | 456 |
457 static ngx_int_t | |
458 ngx_http_perl_get_interpreter(ngx_http_perl_main_conf_t *pmcf, | |
459 PerlInterpreter **perl, ngx_log_t *log) | |
460 { | |
461 if (pmcf->interp) { | |
462 pmcf->interp--; | |
463 | |
464 *perl = pmcf->free_perls[pmcf->interp]; | |
465 | |
466 return NGX_OK; | |
467 } | |
468 | |
469 if (pmcf->nalloc < pmcf->interp_max) { | |
470 *perl = ngx_http_perl_create_interpreter(pmcf, log); | |
471 | |
472 if (*perl) { | |
473 return NGX_OK; | |
474 } | |
475 | |
476 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
477 } | |
478 | |
479 ngx_log_error(NGX_LOG_ALERT, log, 0, "no free perl interpreter"); | |
480 | |
481 return NGX_HTTP_SERVICE_UNAVAILABLE; | |
482 } | |
483 | |
484 | |
485 static ngx_inline void | |
486 ngx_http_perl_free_interpreter(ngx_http_perl_main_conf_t *pmcf, | |
487 PerlInterpreter *perl) | |
488 { | |
489 pmcf->free_perls[pmcf->interp++] = perl; | |
490 } | |
491 | |
492 | |
493 static char * | |
494 ngx_http_perl_init_interpreter(ngx_conf_t *cf, ngx_http_perl_main_conf_t *pmcf) | |
495 { | |
649 | 496 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY) |
653 | 497 ngx_pool_cleanup_t *cln; |
599 | 498 |
499 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
500 if (cln == NULL) { | |
501 return NGX_CONF_ERROR; | |
502 } | |
503 | |
649 | 504 #else |
505 static PerlInterpreter *perl; | |
506 #endif | |
507 | |
599 | 508 #ifdef NGX_PERL_MODULES |
509 if (pmcf->modules.data == NULL) { | |
510 pmcf->modules.data = NGX_PERL_MODULES; | |
511 } | |
512 #endif | |
513 | |
639 | 514 if (pmcf->modules.data) { |
515 if (ngx_conf_full_name(cf->cycle, &pmcf->modules) != NGX_OK) { | |
516 return NGX_CONF_ERROR; | |
517 } | |
629 | 518 } |
519 | |
649 | 520 #if !(NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY) |
521 | |
522 if (perl) { | |
653 | 523 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, cf->log) |
524 != NGX_OK) | |
525 { | |
649 | 526 return NGX_CONF_ERROR; |
527 } | |
528 | |
529 pmcf->perl = perl; | |
530 | |
531 return NGX_CONF_OK; | |
532 } | |
533 | |
534 #endif | |
535 | |
599 | 536 PERL_SYS_INIT(&ngx_argc, &ngx_argv); |
537 | |
538 pmcf->perl = ngx_http_perl_create_interpreter(pmcf, cf->log); | |
539 | |
540 if (pmcf->perl == NULL) { | |
541 PERL_SYS_TERM(); | |
542 return NGX_CONF_ERROR; | |
543 } | |
544 | |
649 | 545 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY) |
546 | |
599 | 547 cln->handler = ngx_http_perl_cleanup_perl; |
548 cln->data = pmcf->perl; | |
549 | |
649 | 550 #else |
551 | |
552 perl = pmcf->perl; | |
553 | |
554 #endif | |
555 | |
599 | 556 return NGX_CONF_OK; |
557 } | |
558 | |
559 | |
560 static PerlInterpreter * | |
561 ngx_http_perl_create_interpreter(ngx_http_perl_main_conf_t *pmcf, | |
562 ngx_log_t *log) | |
563 { | |
564 int n; | |
775 | 565 STRLEN len; |
566 SV *sv; | |
567 char *ver, *embedding[6]; | |
599 | 568 PerlInterpreter *perl; |
569 | |
570 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "create perl interpreter"); | |
571 | |
572 #if (NGX_HAVE_PERL_CLONE) | |
573 | |
574 if (pmcf->perl) { | |
575 | |
576 perl = perl_clone(pmcf->perl, CLONEf_KEEP_PTR_TABLE); | |
577 if (perl == NULL) { | |
578 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_clone() failed"); | |
579 return NULL; | |
580 } | |
581 | |
582 { | |
583 | |
584 dTHXa(perl); | |
585 | |
586 ptr_table_free(PL_ptr_table); | |
587 PL_ptr_table = NULL; | |
588 | |
589 } | |
590 | |
591 pmcf->nalloc++; | |
592 | |
593 return perl; | |
594 } | |
595 | |
596 #endif | |
597 | |
598 perl = perl_alloc(); | |
599 if (perl == NULL) { | |
600 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_alloc() failed"); | |
601 return NULL; | |
602 } | |
603 | |
604 perl_construct(perl); | |
605 | |
606 { | |
607 | |
608 dTHXa(perl); | |
609 | |
610 #ifdef PERL_EXIT_DESTRUCT_END | |
611 PL_exit_flags |= PERL_EXIT_DESTRUCT_END; | |
612 #endif | |
613 | |
614 embedding[0] = ""; | |
615 | |
616 if (pmcf->modules.data) { | |
617 embedding[1] = "-I"; | |
618 embedding[2] = (char *) pmcf->modules.data; | |
619 n = 3; | |
620 | |
621 } else { | |
622 n = 1; | |
623 } | |
624 | |
625 embedding[n++] = "-Mnginx"; | |
626 embedding[n++] = "-e"; | |
627 embedding[n++] = "0"; | |
628 | |
629 n = perl_parse(perl, ngx_http_perl_xs_init, n, embedding, NULL); | |
630 | |
631 if (n != 0) { | |
632 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_parse() failed: %d", n); | |
633 goto fail; | |
634 } | |
635 | |
775 | 636 sv = get_sv("nginx::VERSION", FALSE); |
637 ver = SvPV(sv, len); | |
638 | |
639 if (ngx_strcmp(ver, NGINX_VERSION) != 0) { | |
640 ngx_log_error(NGX_LOG_ALERT, log, 0, | |
641 "version " NGINX_VERSION " of nginx.pm is required, " | |
642 "but %s was found", ver); | |
643 goto fail; | |
644 } | |
645 | |
653 | 646 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, log) != NGX_OK) { |
649 | 647 goto fail; |
599 | 648 } |
649 | |
650 } | |
651 | |
652 pmcf->nalloc++; | |
653 | |
654 return perl; | |
655 | |
656 fail: | |
657 | |
658 (void) perl_destruct(perl); | |
659 | |
660 perl_free(perl); | |
661 | |
662 return NULL; | |
663 } | |
664 | |
665 | |
649 | 666 static ngx_int_t |
653 | 667 ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, ngx_log_t *log) |
649 | 668 { |
669 char **script; | |
670 STRLEN len; | |
671 ngx_str_t err; | |
672 ngx_uint_t i; | |
673 | |
674 script = requires->elts; | |
675 for (i = 0; i < requires->nelts; i++) { | |
676 | |
677 require_pv(script[i]); | |
678 | |
679 if (SvTRUE(ERRSV)) { | |
680 | |
681 err.data = (u_char *) SvPV(ERRSV, len); | |
682 for (len--; err.data[len] == LF || err.data[len] == CR; len--) { | |
683 /* void */ | |
684 } | |
685 err.len = len + 1; | |
686 | |
687 ngx_log_error(NGX_LOG_EMERG, log, 0, | |
688 "require_pv(\"%s\") failed: \"%V\"", script[i], &err); | |
689 | |
690 return NGX_ERROR; | |
691 } | |
692 } | |
693 | |
694 return NGX_OK; | |
695 } | |
696 | |
697 | |
599 | 698 static ngx_int_t |
699 ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, SV *sub, | |
700 ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv) | |
701 { | |
702 SV *sv; | |
703 int n, status; | |
704 char *line; | |
705 STRLEN len, n_a; | |
706 ngx_str_t err; | |
707 ngx_uint_t i; | |
708 | |
709 dSP; | |
710 | |
711 status = 0; | |
712 | |
713 ENTER; | |
714 SAVETMPS; | |
715 | |
716 PUSHMARK(sp); | |
717 | |
633 | 718 sv = sv_2mortal(sv_bless(newRV_noinc(newSViv(PTR2IV(r))), nginx_stash)); |
599 | 719 XPUSHs(sv); |
720 | |
721 if (args) { | |
722 for (i = 0; args[i]; i++) { /* void */ } | |
723 | |
724 EXTEND(sp, (int) i); | |
725 | |
726 for (i = 0; args[i]; i++) { | |
727 PUSHs(sv_2mortal(newSVpvn((char *) args[i]->data, args[i]->len))); | |
728 } | |
729 } | |
730 | |
731 PUTBACK; | |
732 | |
733 n = call_sv(sub, G_EVAL); | |
734 | |
735 SPAGAIN; | |
736 | |
737 if (n) { | |
738 if (rv == NULL) { | |
739 status = POPi; | |
740 | |
741 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
742 "call_sv: %d", status); | |
743 | |
744 } else { | |
619 | 745 line = SvPVx(POPs, n_a); |
599 | 746 rv->len = n_a; |
747 | |
748 rv->data = ngx_palloc(r->pool, n_a); | |
749 if (rv->data == NULL) { | |
750 return NGX_ERROR; | |
751 } | |
752 | |
753 ngx_memcpy(rv->data, line, n_a); | |
754 } | |
755 } | |
756 | |
757 PUTBACK; | |
758 | |
759 FREETMPS; | |
760 LEAVE; | |
761 | |
762 /* check $@ */ | |
763 | |
764 if (SvTRUE(ERRSV)) { | |
765 | |
766 err.data = (u_char *) SvPV(ERRSV, len); | |
767 for (len--; err.data[len] == LF || err.data[len] == CR; len--) { | |
768 /* void */ | |
769 } | |
770 err.len = len + 1; | |
771 | |
772 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
773 "call_sv(\"%V\") failed: \"%V\"", | |
774 handler, &err); | |
775 | |
776 if (rv) { | |
777 return NGX_ERROR; | |
778 } | |
779 | |
780 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
781 } | |
782 | |
783 if (n != 1) { | |
784 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
785 "call_sv(\"%V\") returned %d results", handler, n); | |
786 status = NGX_OK; | |
787 } | |
788 | |
789 if (rv) { | |
790 return NGX_OK; | |
791 } | |
792 | |
793 return (ngx_int_t) status; | |
794 } | |
795 | |
796 | |
797 static void | |
798 ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv) | |
799 { | |
623 | 800 u_char *p; |
801 | |
802 for (p = handler->data; *p; p++) { | |
803 if (*p != ' ' && *p != '\t' && *p != CR && *p != LF) { | |
804 break; | |
805 } | |
806 } | |
807 | |
649 | 808 if (ngx_strncmp(p, "sub ", 4) == 0 || ngx_strncmp(p, "use ", 4) == 0) { |
623 | 809 *sv = eval_pv((char *) p, FALSE); |
599 | 810 return; |
811 } | |
812 | |
813 *sv = NULL; | |
814 } | |
815 | |
816 | |
817 static void * | |
818 ngx_http_perl_create_main_conf(ngx_conf_t *cf) | |
819 { | |
820 ngx_http_perl_main_conf_t *pmcf; | |
821 | |
822 pmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_main_conf_t)); | |
823 if (pmcf == NULL) { | |
824 return NGX_CONF_ERROR; | |
825 } | |
826 | |
827 pmcf->interp_max = NGX_CONF_UNSET_UINT; | |
828 | |
829 if (ngx_array_init(&pmcf->requires, cf->pool, 1, sizeof(u_char *)) | |
830 != NGX_OK) | |
831 { | |
832 return NULL; | |
833 } | |
834 | |
835 return pmcf; | |
836 } | |
837 | |
838 | |
839 static char * | |
840 ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf) | |
841 { | |
842 ngx_http_perl_main_conf_t *pmcf = conf; | |
843 | |
844 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY) | |
663 | 845 ngx_conf_init_uint_value(pmcf->interp_max, 10); |
599 | 846 #else |
663 | 847 ngx_conf_init_uint_value(pmcf->interp_max, 1); |
599 | 848 #endif |
849 | |
850 pmcf->free_perls = ngx_pcalloc(cf->pool, | |
851 pmcf->interp_max * sizeof(PerlInterpreter *)); | |
852 if (pmcf->free_perls == NULL) { | |
853 return NGX_CONF_ERROR; | |
854 } | |
855 | |
856 if (pmcf->perl == NULL) { | |
857 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
858 return NGX_CONF_ERROR; | |
859 } | |
860 } | |
861 | |
862 #if !(NGX_HAVE_PERL_CLONE) | |
863 ngx_http_perl_free_interpreter(pmcf, pmcf->perl); | |
864 #endif | |
865 | |
866 return NGX_CONF_OK; | |
867 } | |
868 | |
869 | |
649 | 870 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY) |
871 | |
599 | 872 static void |
873 ngx_http_perl_cleanup_perl(void *data) | |
874 { | |
649 | 875 PerlInterpreter *perl = data; |
599 | 876 |
877 (void) perl_destruct(perl); | |
878 | |
879 perl_free(perl); | |
880 | |
881 PERL_SYS_TERM(); | |
882 } | |
883 | |
649 | 884 #endif |
885 | |
886 | |
887 static void | |
888 ngx_http_perl_cleanup_sv(void *data) | |
889 { | |
653 | 890 ngx_http_perl_cleanup_t *cln = data; |
649 | 891 |
653 | 892 dTHXa(cln->perl); |
893 | |
894 SvREFCNT_dec(cln->sv); | |
649 | 895 } |
896 | |
599 | 897 |
898 static ngx_int_t | |
899 ngx_http_perl_preconfiguration(ngx_conf_t *cf) | |
900 { | |
617 | 901 #if (NGX_HTTP_SSI) |
599 | 902 ngx_int_t rc; |
903 ngx_http_ssi_main_conf_t *smcf; | |
904 | |
905 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module); | |
906 | |
907 rc = ngx_hash_add_key(&smcf->commands, &ngx_http_perl_ssi_command.name, | |
908 &ngx_http_perl_ssi_command, NGX_HASH_READONLY_KEY); | |
909 | |
910 if (rc != NGX_OK) { | |
911 if (rc == NGX_BUSY) { | |
912 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
913 "conflicting SSI command \"%V\"", | |
914 &ngx_http_perl_ssi_command.name); | |
915 } | |
916 | |
917 return NGX_ERROR; | |
918 } | |
617 | 919 #endif |
599 | 920 |
921 return NGX_OK; | |
922 } | |
923 | |
924 | |
925 static void * | |
926 ngx_http_perl_create_loc_conf(ngx_conf_t *cf) | |
927 { | |
928 ngx_http_perl_loc_conf_t *plcf; | |
929 | |
930 plcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_loc_conf_t)); | |
931 if (plcf == NULL) { | |
932 return NGX_CONF_ERROR; | |
933 } | |
934 | |
935 /* | |
936 * set by ngx_pcalloc(): | |
937 * | |
938 * plcf->handler = { 0, NULL }; | |
939 */ | |
940 | |
941 return plcf; | |
942 } | |
943 | |
944 | |
945 static char * | |
946 ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
947 { | |
948 ngx_http_perl_loc_conf_t *prev = parent; | |
949 ngx_http_perl_loc_conf_t *conf = child; | |
950 | |
951 if (conf->sub == NULL) { | |
952 conf->sub = prev->sub; | |
953 conf->handler = prev->handler; | |
954 } | |
955 | |
956 return NGX_CONF_OK; | |
957 } | |
958 | |
959 | |
960 static char * | |
961 ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
962 { | |
963 ngx_http_perl_main_conf_t *pmcf = conf; | |
964 | |
965 u_char **p; | |
966 ngx_str_t *value; | |
967 | |
968 value = cf->args->elts; | |
969 | |
970 p = ngx_array_push(&pmcf->requires); | |
971 | |
972 if (p == NULL) { | |
973 return NGX_CONF_ERROR; | |
974 } | |
975 | |
976 *p = value[1].data; | |
977 | |
978 return NGX_CONF_OK; | |
979 } | |
980 | |
981 | |
982 static char * | |
983 ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
984 { | |
985 ngx_http_perl_loc_conf_t *plcf = conf; | |
986 | |
987 ngx_str_t *value; | |
649 | 988 ngx_pool_cleanup_t *cln; |
653 | 989 ngx_http_perl_cleanup_t *pcln; |
599 | 990 ngx_http_core_loc_conf_t *clcf; |
991 ngx_http_perl_main_conf_t *pmcf; | |
992 | |
993 value = cf->args->elts; | |
994 | |
995 if (plcf->handler.data) { | |
996 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
997 "duplicate perl handler \"%V\"", &value[1]); | |
998 return NGX_CONF_ERROR; | |
999 } | |
1000 | |
1001 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
1002 | |
1003 if (pmcf->perl == NULL) { | |
1004 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
1005 return NGX_CONF_ERROR; | |
1006 } | |
1007 } | |
1008 | |
653 | 1009 cln = ngx_pool_cleanup_add(cf->pool, sizeof(ngx_http_perl_cleanup_t)); |
649 | 1010 if (cln == NULL) { |
1011 return NGX_CONF_ERROR; | |
1012 } | |
1013 | |
599 | 1014 plcf->handler = value[1]; |
1015 | |
1016 { | |
1017 | |
1018 dTHXa(pmcf->perl); | |
1019 | |
1020 ngx_http_perl_eval_anon_sub(aTHX_ &value[1], &plcf->sub); | |
1021 | |
1022 if (plcf->sub == &PL_sv_undef) { | |
1023 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
1024 "eval_pv(\"%V\") failed", &value[1]); | |
1025 return NGX_CONF_ERROR; | |
1026 } | |
1027 | |
1028 if (plcf->sub == NULL) { | |
1029 plcf->sub = newSVpvn((char *) value[1].data, value[1].len); | |
1030 } | |
1031 | |
1032 } | |
1033 | |
649 | 1034 cln->handler = ngx_http_perl_cleanup_sv; |
653 | 1035 pcln = cln->data; |
1036 pcln->sv = plcf->sub; | |
1037 pcln->perl = pmcf->perl; | |
649 | 1038 |
599 | 1039 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); |
1040 clcf->handler = ngx_http_perl_handler; | |
1041 | |
1042 return NGX_CONF_OK; | |
1043 } | |
1044 | |
1045 | |
1046 static char * | |
1047 ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
1048 { | |
1049 ngx_int_t index; | |
1050 ngx_str_t *value; | |
649 | 1051 ngx_pool_cleanup_t *cln; |
599 | 1052 ngx_http_variable_t *v; |
653 | 1053 ngx_http_perl_cleanup_t *pcln; |
599 | 1054 ngx_http_perl_variable_t *pv; |
1055 ngx_http_perl_main_conf_t *pmcf; | |
1056 | |
1057 value = cf->args->elts; | |
1058 | |
1059 if (value[1].data[0] != '$') { | |
1060 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1061 "invalid variable name \"%V\"", &value[1]); | |
1062 return NGX_CONF_ERROR; | |
1063 } | |
1064 | |
1065 value[1].len--; | |
1066 value[1].data++; | |
1067 | |
1068 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGABLE); | |
1069 if (v == NULL) { | |
1070 return NGX_CONF_ERROR; | |
1071 } | |
1072 | |
1073 pv = ngx_palloc(cf->pool, sizeof(ngx_http_perl_variable_t)); | |
1074 if (pv == NULL) { | |
1075 return NGX_CONF_ERROR; | |
1076 } | |
1077 | |
1078 index = ngx_http_get_variable_index(cf, &value[1]); | |
1079 if (index == NGX_ERROR) { | |
1080 return NGX_CONF_ERROR; | |
1081 } | |
1082 | |
1083 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
1084 | |
1085 if (pmcf->perl == NULL) { | |
1086 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
1087 return NGX_CONF_ERROR; | |
1088 } | |
1089 } | |
1090 | |
653 | 1091 cln = ngx_pool_cleanup_add(cf->pool, sizeof(ngx_http_perl_cleanup_t)); |
649 | 1092 if (cln == NULL) { |
1093 return NGX_CONF_ERROR; | |
1094 } | |
1095 | |
599 | 1096 pv->handler = value[2]; |
1097 | |
1098 { | |
1099 | |
1100 dTHXa(pmcf->perl); | |
1101 | |
1102 ngx_http_perl_eval_anon_sub(aTHX_ &value[2], &pv->sub); | |
1103 | |
1104 if (pv->sub == &PL_sv_undef) { | |
1105 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
1106 "eval_pv(\"%V\") failed", &value[2]); | |
1107 return NGX_CONF_ERROR; | |
1108 } | |
1109 | |
1110 if (pv->sub == NULL) { | |
1111 pv->sub = newSVpvn((char *) value[2].data, value[2].len); | |
1112 } | |
1113 | |
1114 } | |
1115 | |
649 | 1116 cln->handler = ngx_http_perl_cleanup_sv; |
653 | 1117 pcln = cln->data; |
1118 pcln->sv = pv->sub; | |
1119 pcln->perl = pmcf->perl; | |
649 | 1120 |
637 | 1121 v->get_handler = ngx_http_perl_variable; |
599 | 1122 v->data = (uintptr_t) pv; |
1123 | |
1124 return NGX_CONF_OK; | |
1125 } | |
1126 | |
1127 | |
1128 static char * | |
1129 ngx_http_perl_interp_max_unsupported(ngx_conf_t *cf, void *post, void *data) | |
1130 { | |
1131 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY) | |
1132 | |
1133 return NGX_CONF_OK; | |
1134 | |
1135 #else | |
1136 | |
1137 return "to use perl_interp_max you have to build perl with " | |
1138 "-Dusemultiplicity or -Dusethreads options"; | |
1139 | |
1140 #endif | |
1141 } |