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annotate src/http/modules/perl/ngx_http_perl_module.c @ 874:98afa13ea7e5
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author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Sun, 26 Nov 2006 16:56:41 +0000 |
parents | f92ad15c2db1 |
children | 82adc19b4b4d |
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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f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
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15 HV *nginx; |
599 | 16 ngx_str_t modules; |
17 ngx_array_t requires; | |
18 } ngx_http_perl_main_conf_t; | |
19 | |
20 | |
21 typedef struct { | |
22 SV *sub; | |
23 ngx_str_t handler; | |
24 } ngx_http_perl_loc_conf_t; | |
25 | |
26 | |
27 typedef struct { | |
28 SV *sub; | |
29 ngx_str_t handler; | |
30 } ngx_http_perl_variable_t; | |
31 | |
32 | |
653 | 33 typedef struct { |
34 SV *sv; | |
35 PerlInterpreter *perl; | |
36 } ngx_http_perl_cleanup_t; | |
37 | |
38 | |
617 | 39 #if (NGX_HTTP_SSI) |
599 | 40 static ngx_int_t ngx_http_perl_ssi(ngx_http_request_t *r, |
41 ngx_http_ssi_ctx_t *ssi_ctx, ngx_str_t **params); | |
617 | 42 #endif |
43 | |
599 | 44 static char *ngx_http_perl_init_interpreter(ngx_conf_t *cf, |
45 ngx_http_perl_main_conf_t *pmcf); | |
46 static PerlInterpreter * | |
47 ngx_http_perl_create_interpreter(ngx_http_perl_main_conf_t *pmcf, | |
48 ngx_log_t *log); | |
653 | 49 static ngx_int_t ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, |
649 | 50 ngx_log_t *log); |
599 | 51 static ngx_int_t ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, |
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
52 HV *nginx, SV *sub, ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv); |
599 | 53 static void ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv); |
54 | |
55 static ngx_int_t ngx_http_perl_preconfiguration(ngx_conf_t *cf); | |
56 static void *ngx_http_perl_create_main_conf(ngx_conf_t *cf); | |
57 static char *ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf); | |
58 static void *ngx_http_perl_create_loc_conf(ngx_conf_t *cf); | |
59 static char *ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, | |
60 void *child); | |
61 static char *ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, | |
62 void *conf); | |
63 static char *ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
64 static char *ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
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1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
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65 static void ngx_http_perl_cleanup_sv(void *data); |
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parents:
871
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66 |
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67 #if (NGX_HAVE_PERL_MULTIPLICITY) |
599 | 68 static void ngx_http_perl_cleanup_perl(void *data); |
649 | 69 #endif |
599 | 70 |
71 | |
72 static ngx_command_t ngx_http_perl_commands[] = { | |
73 | |
74 { ngx_string("perl_modules"), | |
75 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, | |
76 ngx_conf_set_str_slot, | |
77 NGX_HTTP_MAIN_CONF_OFFSET, | |
78 offsetof(ngx_http_perl_main_conf_t, modules), | |
79 NULL }, | |
80 | |
81 { ngx_string("perl_require"), | |
82 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, | |
83 ngx_http_perl_require, | |
84 NGX_HTTP_MAIN_CONF_OFFSET, | |
85 0, | |
86 NULL }, | |
87 | |
88 { ngx_string("perl"), | |
89 NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
90 ngx_http_perl, | |
91 NGX_HTTP_LOC_CONF_OFFSET, | |
92 0, | |
93 NULL }, | |
94 | |
95 { ngx_string("perl_set"), | |
96 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE2, | |
97 ngx_http_perl_set, | |
98 NGX_HTTP_LOC_CONF_OFFSET, | |
99 0, | |
100 NULL }, | |
101 | |
102 ngx_null_command | |
103 }; | |
104 | |
105 | |
106 static ngx_http_module_t ngx_http_perl_module_ctx = { | |
107 ngx_http_perl_preconfiguration, /* preconfiguration */ | |
108 NULL, /* postconfiguration */ | |
109 | |
110 ngx_http_perl_create_main_conf, /* create main configuration */ | |
111 ngx_http_perl_init_main_conf, /* init main configuration */ | |
112 | |
113 NULL, /* create server configuration */ | |
114 NULL, /* merge server configuration */ | |
115 | |
116 ngx_http_perl_create_loc_conf, /* create location configuration */ | |
117 ngx_http_perl_merge_loc_conf /* merge location configuration */ | |
118 }; | |
119 | |
120 | |
121 ngx_module_t ngx_http_perl_module = { | |
122 NGX_MODULE_V1, | |
123 &ngx_http_perl_module_ctx, /* module context */ | |
124 ngx_http_perl_commands, /* module directives */ | |
125 NGX_HTTP_MODULE, /* module type */ | |
126 NULL, /* init master */ | |
127 NULL, /* init module */ | |
128 NULL, /* init process */ | |
129 NULL, /* init thread */ | |
130 NULL, /* exit thread */ | |
131 NULL, /* exit process */ | |
132 NULL, /* exit master */ | |
133 NGX_MODULE_V1_PADDING | |
134 }; | |
135 | |
136 | |
617 | 137 #if (NGX_HTTP_SSI) |
138 | |
599 | 139 #define NGX_HTTP_PERL_SSI_SUB 0 |
140 #define NGX_HTTP_PERL_SSI_ARG 1 | |
141 | |
142 | |
143 static ngx_http_ssi_param_t ngx_http_perl_ssi_params[] = { | |
144 { ngx_string("sub"), NGX_HTTP_PERL_SSI_SUB, 1, 0 }, | |
145 { ngx_string("arg"), NGX_HTTP_PERL_SSI_ARG, 0, 1 }, | |
146 { ngx_null_string, 0, 0, 0 } | |
147 }; | |
148 | |
149 static ngx_http_ssi_command_t ngx_http_perl_ssi_command = { | |
667 | 150 ngx_string("perl"), ngx_http_perl_ssi, ngx_http_perl_ssi_params, 0, 0, 1 |
599 | 151 }; |
152 | |
617 | 153 #endif |
154 | |
599 | 155 |
681 | 156 static ngx_str_t ngx_null_name = ngx_null_string; |
157 | |
158 | |
633 | 159 static HV *nginx_stash; |
160 | |
599 | 161 static void |
162 ngx_http_perl_xs_init(pTHX) | |
163 { | |
164 newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, __FILE__); | |
633 | 165 |
166 nginx_stash = gv_stashpv("nginx", TRUE); | |
599 | 167 } |
168 | |
169 | |
170 static ngx_int_t | |
171 ngx_http_perl_handler(ngx_http_request_t *r) | |
172 { | |
629 | 173 /* TODO: Win32 */ |
174 if (r->zero_in_uri) { | |
175 return NGX_HTTP_NOT_FOUND; | |
176 } | |
177 | |
681 | 178 ngx_http_perl_handle_request(r); |
179 | |
180 return NGX_DONE; | |
629 | 181 } |
182 | |
183 | |
681 | 184 void |
629 | 185 ngx_http_perl_handle_request(ngx_http_request_t *r) |
186 { | |
681 | 187 SV *sub; |
599 | 188 ngx_int_t rc; |
681 | 189 ngx_str_t uri, args, *handler; |
599 | 190 ngx_http_perl_ctx_t *ctx; |
191 ngx_http_perl_loc_conf_t *plcf; | |
192 ngx_http_perl_main_conf_t *pmcf; | |
193 | |
194 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl handler"); | |
195 | |
196 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
197 | |
198 if (ctx == NULL) { | |
199 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
200 if (ctx == NULL) { | |
681 | 201 ngx_http_finalize_request(r, NGX_ERROR); |
629 | 202 return; |
599 | 203 } |
204 | |
205 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
206 } | |
207 | |
208 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); | |
209 | |
210 { | |
211 | |
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1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
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212 dTHXa(pmcf->perl); |
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
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213 PERL_SET_CONTEXT(pmcf->perl); |
599 | 214 |
681 | 215 if (ctx->next == NULL) { |
216 plcf = ngx_http_get_module_loc_conf(r, ngx_http_perl_module); | |
217 sub = plcf->sub; | |
218 handler = &plcf->handler; | |
599 | 219 |
681 | 220 } else { |
221 sub = ctx->next; | |
222 handler = &ngx_null_name; | |
223 ctx->next = NULL; | |
224 } | |
225 | |
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parents:
872
diff
changeset
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226 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sub, NULL, handler, |
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
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227 NULL); |
599 | 228 |
229 } | |
230 | |
231 if (rc > 600) { | |
232 rc = NGX_OK; | |
233 } | |
234 | |
235 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
236 "perl handler done: %i", rc); | |
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) { |
250 return; | |
251 } | |
252 | |
599 | 253 if (uri.len) { |
629 | 254 ngx_http_internal_redirect(r, &uri, &args); |
255 return; | |
599 | 256 } |
257 | |
258 if (rc == NGX_OK || rc == NGX_HTTP_OK) { | |
629 | 259 ngx_http_send_special(r, NGX_HTTP_LAST); |
681 | 260 ctx->done = 1; |
599 | 261 } |
262 | |
629 | 263 ngx_http_finalize_request(r, rc); |
599 | 264 } |
265 | |
266 | |
267 static ngx_int_t | |
268 ngx_http_perl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
269 uintptr_t data) | |
270 { | |
271 ngx_http_perl_variable_t *pv = (ngx_http_perl_variable_t *) data; | |
272 | |
273 ngx_int_t rc; | |
274 ngx_str_t value; | |
275 ngx_http_perl_ctx_t *ctx; | |
276 ngx_http_perl_main_conf_t *pmcf; | |
277 | |
278 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
279 "perl variable handler"); | |
280 | |
281 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
282 | |
283 if (ctx == NULL) { | |
284 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
285 if (ctx == NULL) { | |
286 return NGX_ERROR; | |
287 } | |
288 | |
289 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
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1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
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290 } |
599 | 291 |
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1c4a5b3f9110
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Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
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292 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); |
599 | 293 |
294 value.data = NULL; | |
295 | |
296 { | |
297 | |
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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298 dTHXa(pmcf->perl); |
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f92ad15c2db1
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parents:
872
diff
changeset
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299 PERL_SET_CONTEXT(pmcf->perl); |
599 | 300 |
873
f92ad15c2db1
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Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
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301 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, pv->sub, NULL, |
599 | 302 &pv->handler, &value); |
303 | |
304 } | |
305 | |
306 if (value.data) { | |
307 v->len = value.len; | |
308 v->valid = 1; | |
309 v->no_cachable = 0; | |
310 v->not_found = 0; | |
311 v->data = value.data; | |
312 | |
313 } else { | |
314 v->not_found = 1; | |
315 } | |
316 | |
633 | 317 ctx->filename.data = NULL; |
599 | 318 ctx->redirect_uri.len = 0; |
319 | |
871 | 320 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
321 "perl variable done"); | |
322 | |
599 | 323 return rc; |
324 } | |
325 | |
326 | |
617 | 327 #if (NGX_HTTP_SSI) |
328 | |
599 | 329 static ngx_int_t |
330 ngx_http_perl_ssi(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ssi_ctx, | |
331 ngx_str_t **params) | |
332 { | |
333 SV *sv; | |
334 ngx_int_t rc; | |
335 ngx_str_t *handler; | |
336 ngx_http_perl_ctx_t *ctx; | |
337 ngx_http_perl_main_conf_t *pmcf; | |
338 | |
339 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
340 "perl ssi handler"); | |
341 | |
342 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
343 | |
344 if (ctx == NULL) { | |
345 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
346 if (ctx == NULL) { | |
347 return NGX_ERROR; | |
348 } | |
349 | |
350 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
351 } | |
352 | |
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1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
353 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); |
599 | 354 |
355 ctx->ssi = ssi_ctx; | |
356 | |
357 handler = params[NGX_HTTP_PERL_SSI_SUB]; | |
358 handler->data[handler->len] = '\0'; | |
359 | |
360 { | |
361 | |
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1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
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362 dTHXa(pmcf->perl); |
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
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363 PERL_SET_CONTEXT(pmcf->perl); |
599 | 364 |
651 | 365 #if 0 |
366 | |
367 /* the code is disabled to force the precompiled perl code using only */ | |
368 | |
369 ngx_http_perl_eval_anon_sub(aTHX_ handler, &sv); | |
370 | |
371 if (sv == &PL_sv_undef) { | |
372 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
373 "eval_pv(\"%V\") failed", handler); | |
374 return NGX_ERROR; | |
375 } | |
376 | |
377 if (sv == NULL) { | |
378 sv = newSVpvn((char *) handler->data, handler->len); | |
379 } | |
380 | |
381 #endif | |
382 | |
599 | 383 sv = newSVpvn((char *) handler->data, handler->len); |
384 | |
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fix segfaults in future workers those will use old configuration,
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parents:
872
diff
changeset
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385 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sv, |
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
386 ¶ms[NGX_HTTP_PERL_SSI_ARG], |
599 | 387 handler, NULL); |
388 | |
389 SvREFCNT_dec(sv); | |
390 | |
391 } | |
392 | |
633 | 393 ctx->filename.data = NULL; |
599 | 394 ctx->redirect_uri.len = 0; |
395 ctx->ssi = NULL; | |
396 | |
871 | 397 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl ssi done"); |
398 | |
599 | 399 return rc; |
400 } | |
401 | |
617 | 402 #endif |
403 | |
599 | 404 |
405 static char * | |
406 ngx_http_perl_init_interpreter(ngx_conf_t *cf, ngx_http_perl_main_conf_t *pmcf) | |
407 { | |
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
408 #if (NGX_HAVE_PERL_MULTIPLICITY) |
653 | 409 ngx_pool_cleanup_t *cln; |
599 | 410 |
411 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
412 if (cln == NULL) { | |
413 return NGX_CONF_ERROR; | |
414 } | |
415 | |
649 | 416 #else |
417 static PerlInterpreter *perl; | |
418 #endif | |
419 | |
599 | 420 #ifdef NGX_PERL_MODULES |
421 if (pmcf->modules.data == NULL) { | |
422 pmcf->modules.data = NGX_PERL_MODULES; | |
423 } | |
424 #endif | |
425 | |
639 | 426 if (pmcf->modules.data) { |
427 if (ngx_conf_full_name(cf->cycle, &pmcf->modules) != NGX_OK) { | |
428 return NGX_CONF_ERROR; | |
429 } | |
629 | 430 } |
431 | |
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
432 #if !(NGX_HAVE_PERL_MULTIPLICITY) |
649 | 433 |
434 if (perl) { | |
653 | 435 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, cf->log) |
436 != NGX_OK) | |
437 { | |
649 | 438 return NGX_CONF_ERROR; |
439 } | |
440 | |
441 pmcf->perl = perl; | |
442 | |
443 return NGX_CONF_OK; | |
444 } | |
445 | |
446 #endif | |
447 | |
599 | 448 PERL_SYS_INIT(&ngx_argc, &ngx_argv); |
449 | |
450 pmcf->perl = ngx_http_perl_create_interpreter(pmcf, cf->log); | |
451 | |
452 if (pmcf->perl == NULL) { | |
453 PERL_SYS_TERM(); | |
454 return NGX_CONF_ERROR; | |
455 } | |
456 | |
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
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457 pmcf->nginx = nginx_stash; |
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
458 |
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
459 #if (NGX_HAVE_PERL_MULTIPLICITY) |
649 | 460 |
599 | 461 cln->handler = ngx_http_perl_cleanup_perl; |
462 cln->data = pmcf->perl; | |
463 | |
649 | 464 #else |
465 | |
466 perl = pmcf->perl; | |
467 | |
468 #endif | |
469 | |
599 | 470 return NGX_CONF_OK; |
471 } | |
472 | |
473 | |
474 static PerlInterpreter * | |
475 ngx_http_perl_create_interpreter(ngx_http_perl_main_conf_t *pmcf, | |
476 ngx_log_t *log) | |
477 { | |
478 int n; | |
775 | 479 STRLEN len; |
480 SV *sv; | |
481 char *ver, *embedding[6]; | |
599 | 482 PerlInterpreter *perl; |
483 | |
484 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "create perl interpreter"); | |
485 | |
486 perl = perl_alloc(); | |
487 if (perl == NULL) { | |
488 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_alloc() failed"); | |
489 return NULL; | |
490 } | |
491 | |
492 { | |
493 | |
494 dTHXa(perl); | |
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
495 PERL_SET_CONTEXT(perl); |
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
496 |
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
497 perl_construct(perl); |
599 | 498 |
499 #ifdef PERL_EXIT_DESTRUCT_END | |
500 PL_exit_flags |= PERL_EXIT_DESTRUCT_END; | |
501 #endif | |
502 | |
503 embedding[0] = ""; | |
504 | |
505 if (pmcf->modules.data) { | |
506 embedding[1] = "-I"; | |
507 embedding[2] = (char *) pmcf->modules.data; | |
508 n = 3; | |
509 | |
510 } else { | |
511 n = 1; | |
512 } | |
513 | |
514 embedding[n++] = "-Mnginx"; | |
515 embedding[n++] = "-e"; | |
516 embedding[n++] = "0"; | |
517 | |
518 n = perl_parse(perl, ngx_http_perl_xs_init, n, embedding, NULL); | |
519 | |
520 if (n != 0) { | |
521 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_parse() failed: %d", n); | |
522 goto fail; | |
523 } | |
524 | |
775 | 525 sv = get_sv("nginx::VERSION", FALSE); |
526 ver = SvPV(sv, len); | |
527 | |
528 if (ngx_strcmp(ver, NGINX_VERSION) != 0) { | |
529 ngx_log_error(NGX_LOG_ALERT, log, 0, | |
530 "version " NGINX_VERSION " of nginx.pm is required, " | |
531 "but %s was found", ver); | |
532 goto fail; | |
533 } | |
534 | |
653 | 535 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, log) != NGX_OK) { |
649 | 536 goto fail; |
599 | 537 } |
538 | |
539 } | |
540 | |
541 return perl; | |
542 | |
543 fail: | |
544 | |
545 (void) perl_destruct(perl); | |
546 | |
547 perl_free(perl); | |
548 | |
549 return NULL; | |
550 } | |
551 | |
552 | |
649 | 553 static ngx_int_t |
653 | 554 ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, ngx_log_t *log) |
649 | 555 { |
556 char **script; | |
557 STRLEN len; | |
558 ngx_str_t err; | |
559 ngx_uint_t i; | |
560 | |
561 script = requires->elts; | |
562 for (i = 0; i < requires->nelts; i++) { | |
563 | |
564 require_pv(script[i]); | |
565 | |
566 if (SvTRUE(ERRSV)) { | |
567 | |
568 err.data = (u_char *) SvPV(ERRSV, len); | |
569 for (len--; err.data[len] == LF || err.data[len] == CR; len--) { | |
570 /* void */ | |
571 } | |
572 err.len = len + 1; | |
573 | |
574 ngx_log_error(NGX_LOG_EMERG, log, 0, | |
575 "require_pv(\"%s\") failed: \"%V\"", script[i], &err); | |
576 | |
577 return NGX_ERROR; | |
578 } | |
579 } | |
580 | |
581 return NGX_OK; | |
582 } | |
583 | |
584 | |
599 | 585 static ngx_int_t |
873
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fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
586 ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, HV *nginx, SV *sub, |
599 | 587 ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv) |
588 { | |
589 SV *sv; | |
590 int n, status; | |
591 char *line; | |
592 STRLEN len, n_a; | |
593 ngx_str_t err; | |
594 ngx_uint_t i; | |
595 | |
596 dSP; | |
597 | |
598 status = 0; | |
599 | |
600 ENTER; | |
601 SAVETMPS; | |
602 | |
603 PUSHMARK(sp); | |
604 | |
873
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fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
605 sv = sv_2mortal(sv_bless(newRV_noinc(newSViv(PTR2IV(r))), nginx)); |
599 | 606 XPUSHs(sv); |
607 | |
608 if (args) { | |
609 for (i = 0; args[i]; i++) { /* void */ } | |
610 | |
611 EXTEND(sp, (int) i); | |
612 | |
613 for (i = 0; args[i]; i++) { | |
614 PUSHs(sv_2mortal(newSVpvn((char *) args[i]->data, args[i]->len))); | |
615 } | |
616 } | |
617 | |
618 PUTBACK; | |
619 | |
620 n = call_sv(sub, G_EVAL); | |
621 | |
622 SPAGAIN; | |
623 | |
624 if (n) { | |
625 if (rv == NULL) { | |
626 status = POPi; | |
627 | |
628 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
629 "call_sv: %d", status); | |
630 | |
631 } else { | |
619 | 632 line = SvPVx(POPs, n_a); |
599 | 633 rv->len = n_a; |
634 | |
635 rv->data = ngx_palloc(r->pool, n_a); | |
636 if (rv->data == NULL) { | |
637 return NGX_ERROR; | |
638 } | |
639 | |
640 ngx_memcpy(rv->data, line, n_a); | |
641 } | |
642 } | |
643 | |
644 PUTBACK; | |
645 | |
646 FREETMPS; | |
647 LEAVE; | |
648 | |
649 /* check $@ */ | |
650 | |
651 if (SvTRUE(ERRSV)) { | |
652 | |
653 err.data = (u_char *) SvPV(ERRSV, len); | |
654 for (len--; err.data[len] == LF || err.data[len] == CR; len--) { | |
655 /* void */ | |
656 } | |
657 err.len = len + 1; | |
658 | |
659 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
660 "call_sv(\"%V\") failed: \"%V\"", | |
661 handler, &err); | |
662 | |
663 if (rv) { | |
664 return NGX_ERROR; | |
665 } | |
666 | |
667 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
668 } | |
669 | |
670 if (n != 1) { | |
671 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
672 "call_sv(\"%V\") returned %d results", handler, n); | |
673 status = NGX_OK; | |
674 } | |
675 | |
676 if (rv) { | |
677 return NGX_OK; | |
678 } | |
679 | |
680 return (ngx_int_t) status; | |
681 } | |
682 | |
683 | |
684 static void | |
685 ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv) | |
686 { | |
623 | 687 u_char *p; |
688 | |
689 for (p = handler->data; *p; p++) { | |
690 if (*p != ' ' && *p != '\t' && *p != CR && *p != LF) { | |
691 break; | |
692 } | |
693 } | |
694 | |
649 | 695 if (ngx_strncmp(p, "sub ", 4) == 0 || ngx_strncmp(p, "use ", 4) == 0) { |
623 | 696 *sv = eval_pv((char *) p, FALSE); |
874 | 697 |
698 /* eval_pv() does not set ERRSV on failure */ | |
699 | |
599 | 700 return; |
701 } | |
702 | |
703 *sv = NULL; | |
704 } | |
705 | |
706 | |
707 static void * | |
708 ngx_http_perl_create_main_conf(ngx_conf_t *cf) | |
709 { | |
710 ngx_http_perl_main_conf_t *pmcf; | |
711 | |
712 pmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_main_conf_t)); | |
713 if (pmcf == NULL) { | |
714 return NGX_CONF_ERROR; | |
715 } | |
716 | |
717 if (ngx_array_init(&pmcf->requires, cf->pool, 1, sizeof(u_char *)) | |
718 != NGX_OK) | |
719 { | |
720 return NULL; | |
721 } | |
722 | |
723 return pmcf; | |
724 } | |
725 | |
726 | |
727 static char * | |
728 ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf) | |
729 { | |
730 ngx_http_perl_main_conf_t *pmcf = conf; | |
731 | |
732 if (pmcf->perl == NULL) { | |
733 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
734 return NGX_CONF_ERROR; | |
735 } | |
736 } | |
737 | |
738 return NGX_CONF_OK; | |
739 } | |
740 | |
741 | |
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
742 #if (NGX_HAVE_PERL_MULTIPLICITY) |
649 | 743 |
599 | 744 static void |
745 ngx_http_perl_cleanup_perl(void *data) | |
746 { | |
649 | 747 PerlInterpreter *perl = data; |
599 | 748 |
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
749 PERL_SET_CONTEXT(perl); |
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
750 |
599 | 751 (void) perl_destruct(perl); |
752 | |
753 perl_free(perl); | |
754 | |
755 PERL_SYS_TERM(); | |
756 } | |
757 | |
649 | 758 #endif |
759 | |
760 | |
761 static void | |
762 ngx_http_perl_cleanup_sv(void *data) | |
763 { | |
653 | 764 ngx_http_perl_cleanup_t *cln = data; |
649 | 765 |
653 | 766 dTHXa(cln->perl); |
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
767 PERL_SET_CONTEXT(cln->perl); |
653 | 768 |
769 SvREFCNT_dec(cln->sv); | |
649 | 770 } |
771 | |
599 | 772 |
773 static ngx_int_t | |
774 ngx_http_perl_preconfiguration(ngx_conf_t *cf) | |
775 { | |
617 | 776 #if (NGX_HTTP_SSI) |
599 | 777 ngx_int_t rc; |
778 ngx_http_ssi_main_conf_t *smcf; | |
779 | |
780 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module); | |
781 | |
782 rc = ngx_hash_add_key(&smcf->commands, &ngx_http_perl_ssi_command.name, | |
783 &ngx_http_perl_ssi_command, NGX_HASH_READONLY_KEY); | |
784 | |
785 if (rc != NGX_OK) { | |
786 if (rc == NGX_BUSY) { | |
787 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
788 "conflicting SSI command \"%V\"", | |
789 &ngx_http_perl_ssi_command.name); | |
790 } | |
791 | |
792 return NGX_ERROR; | |
793 } | |
617 | 794 #endif |
599 | 795 |
796 return NGX_OK; | |
797 } | |
798 | |
799 | |
800 static void * | |
801 ngx_http_perl_create_loc_conf(ngx_conf_t *cf) | |
802 { | |
803 ngx_http_perl_loc_conf_t *plcf; | |
804 | |
805 plcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_loc_conf_t)); | |
806 if (plcf == NULL) { | |
807 return NGX_CONF_ERROR; | |
808 } | |
809 | |
810 /* | |
811 * set by ngx_pcalloc(): | |
812 * | |
813 * plcf->handler = { 0, NULL }; | |
814 */ | |
815 | |
816 return plcf; | |
817 } | |
818 | |
819 | |
820 static char * | |
821 ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
822 { | |
823 ngx_http_perl_loc_conf_t *prev = parent; | |
824 ngx_http_perl_loc_conf_t *conf = child; | |
825 | |
826 if (conf->sub == NULL) { | |
827 conf->sub = prev->sub; | |
828 conf->handler = prev->handler; | |
829 } | |
830 | |
831 return NGX_CONF_OK; | |
832 } | |
833 | |
834 | |
835 static char * | |
836 ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
837 { | |
838 ngx_http_perl_main_conf_t *pmcf = conf; | |
839 | |
840 u_char **p; | |
841 ngx_str_t *value; | |
842 | |
843 value = cf->args->elts; | |
844 | |
845 p = ngx_array_push(&pmcf->requires); | |
846 | |
847 if (p == NULL) { | |
848 return NGX_CONF_ERROR; | |
849 } | |
850 | |
851 *p = value[1].data; | |
852 | |
853 return NGX_CONF_OK; | |
854 } | |
855 | |
856 | |
857 static char * | |
858 ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
859 { | |
860 ngx_http_perl_loc_conf_t *plcf = conf; | |
861 | |
862 ngx_str_t *value; | |
649 | 863 ngx_pool_cleanup_t *cln; |
653 | 864 ngx_http_perl_cleanup_t *pcln; |
599 | 865 ngx_http_core_loc_conf_t *clcf; |
866 ngx_http_perl_main_conf_t *pmcf; | |
867 | |
868 value = cf->args->elts; | |
869 | |
870 if (plcf->handler.data) { | |
871 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
872 "duplicate perl handler \"%V\"", &value[1]); | |
873 return NGX_CONF_ERROR; | |
874 } | |
875 | |
876 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
877 | |
878 if (pmcf->perl == NULL) { | |
879 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
880 return NGX_CONF_ERROR; | |
881 } | |
882 } | |
883 | |
653 | 884 cln = ngx_pool_cleanup_add(cf->pool, sizeof(ngx_http_perl_cleanup_t)); |
649 | 885 if (cln == NULL) { |
886 return NGX_CONF_ERROR; | |
887 } | |
888 | |
599 | 889 plcf->handler = value[1]; |
890 | |
891 { | |
892 | |
893 dTHXa(pmcf->perl); | |
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
894 PERL_SET_CONTEXT(pmcf->perl); |
599 | 895 |
896 ngx_http_perl_eval_anon_sub(aTHX_ &value[1], &plcf->sub); | |
897 | |
898 if (plcf->sub == &PL_sv_undef) { | |
899 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
900 "eval_pv(\"%V\") failed", &value[1]); | |
901 return NGX_CONF_ERROR; | |
902 } | |
903 | |
904 if (plcf->sub == NULL) { | |
905 plcf->sub = newSVpvn((char *) value[1].data, value[1].len); | |
906 } | |
907 | |
908 } | |
909 | |
649 | 910 cln->handler = ngx_http_perl_cleanup_sv; |
653 | 911 pcln = cln->data; |
912 pcln->sv = plcf->sub; | |
913 pcln->perl = pmcf->perl; | |
649 | 914 |
599 | 915 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); |
916 clcf->handler = ngx_http_perl_handler; | |
917 | |
918 return NGX_CONF_OK; | |
919 } | |
920 | |
921 | |
922 static char * | |
923 ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
924 { | |
925 ngx_int_t index; | |
926 ngx_str_t *value; | |
649 | 927 ngx_pool_cleanup_t *cln; |
599 | 928 ngx_http_variable_t *v; |
653 | 929 ngx_http_perl_cleanup_t *pcln; |
599 | 930 ngx_http_perl_variable_t *pv; |
931 ngx_http_perl_main_conf_t *pmcf; | |
932 | |
933 value = cf->args->elts; | |
934 | |
935 if (value[1].data[0] != '$') { | |
936 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
937 "invalid variable name \"%V\"", &value[1]); | |
938 return NGX_CONF_ERROR; | |
939 } | |
940 | |
941 value[1].len--; | |
942 value[1].data++; | |
943 | |
944 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGABLE); | |
945 if (v == NULL) { | |
946 return NGX_CONF_ERROR; | |
947 } | |
948 | |
949 pv = ngx_palloc(cf->pool, sizeof(ngx_http_perl_variable_t)); | |
950 if (pv == NULL) { | |
951 return NGX_CONF_ERROR; | |
952 } | |
953 | |
954 index = ngx_http_get_variable_index(cf, &value[1]); | |
955 if (index == NGX_ERROR) { | |
956 return NGX_CONF_ERROR; | |
957 } | |
958 | |
959 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
960 | |
961 if (pmcf->perl == NULL) { | |
962 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
963 return NGX_CONF_ERROR; | |
964 } | |
965 } | |
966 | |
653 | 967 cln = ngx_pool_cleanup_add(cf->pool, sizeof(ngx_http_perl_cleanup_t)); |
649 | 968 if (cln == NULL) { |
969 return NGX_CONF_ERROR; | |
970 } | |
971 | |
599 | 972 pv->handler = value[2]; |
973 | |
974 { | |
975 | |
976 dTHXa(pmcf->perl); | |
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
977 PERL_SET_CONTEXT(pmcf->perl); |
599 | 978 |
979 ngx_http_perl_eval_anon_sub(aTHX_ &value[2], &pv->sub); | |
980 | |
981 if (pv->sub == &PL_sv_undef) { | |
982 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
983 "eval_pv(\"%V\") failed", &value[2]); | |
984 return NGX_CONF_ERROR; | |
985 } | |
986 | |
987 if (pv->sub == NULL) { | |
988 pv->sub = newSVpvn((char *) value[2].data, value[2].len); | |
989 } | |
990 | |
991 } | |
992 | |
649 | 993 cln->handler = ngx_http_perl_cleanup_sv; |
653 | 994 pcln = cln->data; |
995 pcln->sv = pv->sub; | |
996 pcln->perl = pmcf->perl; | |
649 | 997 |
637 | 998 v->get_handler = ngx_http_perl_variable; |
599 | 999 v->data = (uintptr_t) pv; |
1000 | |
1001 return NGX_CONF_OK; | |
1002 } |