Mercurial > hg > nginx
annotate src/http/modules/perl/ngx_http_perl_module.c @ 6820:eada22643e8b
Perl: added PERL_SET_INTERP().
For Perl compiled with threads, without PERL_SET_INTERP() the PL_curinterp
remains set to the first interpreter created (that is, one created at
original start). As a result after a reload Perl thinks that operations
are done withing a thread, and, most notably, denies to change environment.
For example, the following code properly works on original start,
but fails after a reload:
perl 'sub {
my $r = shift;
$r->send_http_header("text/plain");
$ENV{TZ} = "UTC";
$r->print("tz: " . $ENV{TZ} . " (localtime " . (localtime()) . ")\n");
$ENV{TZ} = "Europe/Moscow";
$r->print("tz: " . $ENV{TZ} . " (localtime " . (localtime()) . ")\n");
return OK;
}';
To fix this, PERL_SET_INTERP() added anywhere where PERL_SET_CONTEXT()
was previously used.
Note that PERL_SET_INTERP() doesn't seem to be documented anywhere.
Yet it is used in some other software, and also seems to be the only
solution possible.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Wed, 07 Dec 2016 19:03:19 +0300 |
parents | cb4a4e9bba8e |
children | 1c5e5e5b008d |
rev | line source |
---|---|
599 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4412 | 4 * Copyright (C) Nginx, Inc. |
599 | 5 */ |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_http.h> | |
11 #include <ngx_http_perl_module.h> | |
12 | |
13 | |
14 typedef struct { | |
15 PerlInterpreter *perl; | |
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16 HV *nginx; |
3175 | 17 ngx_array_t *modules; |
3174
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18 ngx_array_t *requires; |
599 | 19 } ngx_http_perl_main_conf_t; |
20 | |
21 | |
22 typedef struct { | |
23 SV *sub; | |
24 ngx_str_t handler; | |
25 } ngx_http_perl_loc_conf_t; | |
26 | |
27 | |
28 typedef struct { | |
29 SV *sub; | |
30 ngx_str_t handler; | |
31 } ngx_http_perl_variable_t; | |
32 | |
33 | |
617 | 34 #if (NGX_HTTP_SSI) |
599 | 35 static ngx_int_t ngx_http_perl_ssi(ngx_http_request_t *r, |
36 ngx_http_ssi_ctx_t *ssi_ctx, ngx_str_t **params); | |
617 | 37 #endif |
38 | |
599 | 39 static char *ngx_http_perl_init_interpreter(ngx_conf_t *cf, |
40 ngx_http_perl_main_conf_t *pmcf); | |
1069 | 41 static PerlInterpreter *ngx_http_perl_create_interpreter(ngx_conf_t *cf, |
42 ngx_http_perl_main_conf_t *pmcf); | |
653 | 43 static ngx_int_t ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, |
649 | 44 ngx_log_t *log); |
599 | 45 static ngx_int_t ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, |
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46 HV *nginx, SV *sub, SV **args, ngx_str_t *handler, ngx_str_t *rv); |
599 | 47 static void ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv); |
48 | |
49 static ngx_int_t ngx_http_perl_preconfiguration(ngx_conf_t *cf); | |
50 static void *ngx_http_perl_create_main_conf(ngx_conf_t *cf); | |
51 static char *ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf); | |
52 static void *ngx_http_perl_create_loc_conf(ngx_conf_t *cf); | |
53 static char *ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, | |
54 void *child); | |
55 static char *ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
56 static char *ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
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57 |
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58 #if (NGX_HAVE_PERL_MULTIPLICITY) |
599 | 59 static void ngx_http_perl_cleanup_perl(void *data); |
649 | 60 #endif |
599 | 61 |
1257 | 62 static ngx_int_t ngx_http_perl_init_worker(ngx_cycle_t *cycle); |
1221
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63 static void ngx_http_perl_exit(ngx_cycle_t *cycle); |
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64 |
599 | 65 |
66 static ngx_command_t ngx_http_perl_commands[] = { | |
67 | |
68 { ngx_string("perl_modules"), | |
69 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, | |
3175 | 70 ngx_conf_set_str_array_slot, |
599 | 71 NGX_HTTP_MAIN_CONF_OFFSET, |
72 offsetof(ngx_http_perl_main_conf_t, modules), | |
73 NULL }, | |
74 | |
75 { ngx_string("perl_require"), | |
76 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, | |
3174
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77 ngx_conf_set_str_array_slot, |
599 | 78 NGX_HTTP_MAIN_CONF_OFFSET, |
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79 offsetof(ngx_http_perl_main_conf_t, requires), |
599 | 80 NULL }, |
81 | |
82 { ngx_string("perl"), | |
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83 NGX_HTTP_LOC_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1, |
599 | 84 ngx_http_perl, |
85 NGX_HTTP_LOC_CONF_OFFSET, | |
86 0, | |
87 NULL }, | |
88 | |
89 { ngx_string("perl_set"), | |
90 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE2, | |
91 ngx_http_perl_set, | |
92 NGX_HTTP_LOC_CONF_OFFSET, | |
93 0, | |
94 NULL }, | |
95 | |
96 ngx_null_command | |
97 }; | |
98 | |
99 | |
100 static ngx_http_module_t ngx_http_perl_module_ctx = { | |
101 ngx_http_perl_preconfiguration, /* preconfiguration */ | |
102 NULL, /* postconfiguration */ | |
103 | |
104 ngx_http_perl_create_main_conf, /* create main configuration */ | |
105 ngx_http_perl_init_main_conf, /* init main configuration */ | |
106 | |
107 NULL, /* create server configuration */ | |
108 NULL, /* merge server configuration */ | |
109 | |
110 ngx_http_perl_create_loc_conf, /* create location configuration */ | |
111 ngx_http_perl_merge_loc_conf /* merge location configuration */ | |
112 }; | |
113 | |
114 | |
115 ngx_module_t ngx_http_perl_module = { | |
116 NGX_MODULE_V1, | |
117 &ngx_http_perl_module_ctx, /* module context */ | |
118 ngx_http_perl_commands, /* module directives */ | |
119 NGX_HTTP_MODULE, /* module type */ | |
120 NULL, /* init master */ | |
121 NULL, /* init module */ | |
1257 | 122 ngx_http_perl_init_worker, /* init process */ |
599 | 123 NULL, /* init thread */ |
124 NULL, /* exit thread */ | |
125 NULL, /* exit process */ | |
1221
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126 ngx_http_perl_exit, /* exit master */ |
599 | 127 NGX_MODULE_V1_PADDING |
128 }; | |
129 | |
130 | |
617 | 131 #if (NGX_HTTP_SSI) |
132 | |
599 | 133 #define NGX_HTTP_PERL_SSI_SUB 0 |
134 #define NGX_HTTP_PERL_SSI_ARG 1 | |
135 | |
136 | |
137 static ngx_http_ssi_param_t ngx_http_perl_ssi_params[] = { | |
138 { ngx_string("sub"), NGX_HTTP_PERL_SSI_SUB, 1, 0 }, | |
139 { ngx_string("arg"), NGX_HTTP_PERL_SSI_ARG, 0, 1 }, | |
140 { ngx_null_string, 0, 0, 0 } | |
141 }; | |
142 | |
143 static ngx_http_ssi_command_t ngx_http_perl_ssi_command = { | |
667 | 144 ngx_string("perl"), ngx_http_perl_ssi, ngx_http_perl_ssi_params, 0, 0, 1 |
599 | 145 }; |
146 | |
617 | 147 #endif |
148 | |
599 | 149 |
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150 static ngx_str_t ngx_null_name = ngx_null_string; |
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151 static HV *nginx_stash; |
681 | 152 |
2715 | 153 #if (NGX_HAVE_PERL_MULTIPLICITY) |
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154 static ngx_uint_t ngx_perl_term; |
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155 #else |
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156 static PerlInterpreter *perl; |
2715 | 157 #endif |
681 | 158 |
633 | 159 |
599 | 160 static void |
161 ngx_http_perl_xs_init(pTHX) | |
162 { | |
163 newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, __FILE__); | |
633 | 164 |
165 nginx_stash = gv_stashpv("nginx", TRUE); | |
599 | 166 } |
167 | |
168 | |
169 static ngx_int_t | |
170 ngx_http_perl_handler(ngx_http_request_t *r) | |
171 { | |
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172 r->main->count++; |
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173 |
681 | 174 ngx_http_perl_handle_request(r); |
175 | |
176 return NGX_DONE; | |
629 | 177 } |
178 | |
179 | |
681 | 180 void |
629 | 181 ngx_http_perl_handle_request(ngx_http_request_t *r) |
182 { | |
681 | 183 SV *sub; |
599 | 184 ngx_int_t rc; |
681 | 185 ngx_str_t uri, args, *handler; |
599 | 186 ngx_http_perl_ctx_t *ctx; |
187 ngx_http_perl_loc_conf_t *plcf; | |
188 ngx_http_perl_main_conf_t *pmcf; | |
189 | |
190 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl handler"); | |
191 | |
192 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
193 | |
194 if (ctx == NULL) { | |
195 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
196 if (ctx == NULL) { | |
681 | 197 ngx_http_finalize_request(r, NGX_ERROR); |
1025 | 198 return; |
599 | 199 } |
200 | |
201 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
202 } | |
203 | |
204 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); | |
205 | |
206 { | |
207 | |
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208 dTHXa(pmcf->perl); |
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209 PERL_SET_CONTEXT(pmcf->perl); |
6820
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210 PERL_SET_INTERP(pmcf->perl); |
599 | 211 |
681 | 212 if (ctx->next == NULL) { |
213 plcf = ngx_http_get_module_loc_conf(r, ngx_http_perl_module); | |
214 sub = plcf->sub; | |
215 handler = &plcf->handler; | |
599 | 216 |
681 | 217 } else { |
218 sub = ctx->next; | |
219 handler = &ngx_null_name; | |
220 ctx->next = NULL; | |
221 } | |
222 | |
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223 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sub, NULL, handler, |
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224 NULL); |
599 | 225 |
226 } | |
227 | |
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228 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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229 "perl handler done: %i", rc); |
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230 |
1702
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231 if (rc == NGX_DONE) { |
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232 ngx_http_finalize_request(r, rc); |
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233 return; |
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234 } |
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235 |
599 | 236 if (rc > 600) { |
237 rc = NGX_OK; | |
238 } | |
239 | |
240 if (ctx->redirect_uri.len) { | |
241 uri = ctx->redirect_uri; | |
242 args = ctx->redirect_args; | |
629 | 243 |
244 } else { | |
245 uri.len = 0; | |
599 | 246 } |
247 | |
633 | 248 ctx->filename.data = NULL; |
599 | 249 ctx->redirect_uri.len = 0; |
250 | |
681 | 251 if (ctx->done || ctx->next) { |
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252 ngx_http_finalize_request(r, NGX_DONE); |
681 | 253 return; |
254 } | |
255 | |
599 | 256 if (uri.len) { |
629 | 257 ngx_http_internal_redirect(r, &uri, &args); |
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258 ngx_http_finalize_request(r, NGX_DONE); |
629 | 259 return; |
599 | 260 } |
261 | |
262 if (rc == NGX_OK || rc == NGX_HTTP_OK) { | |
629 | 263 ngx_http_send_special(r, NGX_HTTP_LAST); |
681 | 264 ctx->done = 1; |
599 | 265 } |
266 | |
629 | 267 ngx_http_finalize_request(r, rc); |
599 | 268 } |
269 | |
270 | |
1897 | 271 void |
911 | 272 ngx_http_perl_sleep_handler(ngx_http_request_t *r) |
273 { | |
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274 ngx_event_t *wev; |
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275 |
911 | 276 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
277 "perl sleep handler"); | |
278 | |
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279 wev = r->connection->write; |
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280 |
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281 if (wev->timedout) { |
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282 wev->timedout = 0; |
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283 ngx_http_perl_handle_request(r); |
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284 return; |
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285 } |
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286 |
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287 if (ngx_handle_write_event(wev, 0) != NGX_OK) { |
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288 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
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289 } |
911 | 290 } |
291 | |
292 | |
599 | 293 static ngx_int_t |
294 ngx_http_perl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
295 uintptr_t data) | |
296 { | |
297 ngx_http_perl_variable_t *pv = (ngx_http_perl_variable_t *) data; | |
298 | |
299 ngx_int_t rc; | |
300 ngx_str_t value; | |
301 ngx_http_perl_ctx_t *ctx; | |
302 ngx_http_perl_main_conf_t *pmcf; | |
303 | |
304 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
305 "perl variable handler"); | |
306 | |
307 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
308 | |
309 if (ctx == NULL) { | |
310 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
311 if (ctx == NULL) { | |
312 return NGX_ERROR; | |
313 } | |
314 | |
315 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
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316 } |
599 | 317 |
872
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318 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); |
599 | 319 |
320 value.data = NULL; | |
321 | |
322 { | |
323 | |
872
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324 dTHXa(pmcf->perl); |
873
f92ad15c2db1
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Igor Sysoev <igor@sysoev.ru>
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325 PERL_SET_CONTEXT(pmcf->perl); |
6820
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Perl: added PERL_SET_INTERP().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6791
diff
changeset
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326 PERL_SET_INTERP(pmcf->perl); |
599 | 327 |
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328 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, pv->sub, NULL, |
599 | 329 &pv->handler, &value); |
330 | |
331 } | |
332 | |
333 if (value.data) { | |
334 v->len = value.len; | |
335 v->valid = 1; | |
1565 | 336 v->no_cacheable = 0; |
599 | 337 v->not_found = 0; |
338 v->data = value.data; | |
339 | |
340 } else { | |
341 v->not_found = 1; | |
342 } | |
343 | |
633 | 344 ctx->filename.data = NULL; |
599 | 345 ctx->redirect_uri.len = 0; |
346 | |
871 | 347 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
348 "perl variable done"); | |
349 | |
599 | 350 return rc; |
351 } | |
352 | |
353 | |
617 | 354 #if (NGX_HTTP_SSI) |
355 | |
599 | 356 static ngx_int_t |
357 ngx_http_perl_ssi(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ssi_ctx, | |
358 ngx_str_t **params) | |
359 { | |
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360 SV *sv, **asv; |
599 | 361 ngx_int_t rc; |
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362 ngx_str_t *handler, **args; |
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363 ngx_uint_t i; |
599 | 364 ngx_http_perl_ctx_t *ctx; |
365 ngx_http_perl_main_conf_t *pmcf; | |
366 | |
367 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
368 "perl ssi handler"); | |
369 | |
370 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
371 | |
372 if (ctx == NULL) { | |
373 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
374 if (ctx == NULL) { | |
375 return NGX_ERROR; | |
376 } | |
377 | |
378 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
379 } | |
380 | |
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381 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); |
599 | 382 |
383 ctx->ssi = ssi_ctx; | |
384 | |
385 handler = params[NGX_HTTP_PERL_SSI_SUB]; | |
386 handler->data[handler->len] = '\0'; | |
387 | |
388 { | |
389 | |
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390 dTHXa(pmcf->perl); |
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391 PERL_SET_CONTEXT(pmcf->perl); |
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392 PERL_SET_INTERP(pmcf->perl); |
599 | 393 |
651 | 394 #if 0 |
395 | |
396 /* the code is disabled to force the precompiled perl code using only */ | |
397 | |
398 ngx_http_perl_eval_anon_sub(aTHX_ handler, &sv); | |
399 | |
400 if (sv == &PL_sv_undef) { | |
401 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
402 "eval_pv(\"%V\") failed", handler); | |
403 return NGX_ERROR; | |
404 } | |
405 | |
406 if (sv == NULL) { | |
407 sv = newSVpvn((char *) handler->data, handler->len); | |
408 } | |
409 | |
410 #endif | |
411 | |
599 | 412 sv = newSVpvn((char *) handler->data, handler->len); |
413 | |
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414 args = ¶ms[NGX_HTTP_PERL_SSI_ARG]; |
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415 |
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416 if (args[0]) { |
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417 |
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418 for (i = 0; args[i]; i++) { /* void */ } |
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419 |
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420 asv = ngx_pcalloc(r->pool, (i + 1) * sizeof(SV *)); |
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421 |
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422 if (asv == NULL) { |
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423 SvREFCNT_dec(sv); |
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424 return NGX_ERROR; |
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425 } |
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426 |
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Handling of ngx_int_t != intptr_t case.
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427 asv[0] = (SV *) (uintptr_t) i; |
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428 |
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429 for (i = 0; args[i]; i++) { |
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430 asv[i + 1] = newSVpvn((char *) args[i]->data, args[i]->len); |
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431 } |
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432 |
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433 } else { |
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434 asv = NULL; |
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435 } |
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436 |
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437 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sv, asv, handler, |
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438 NULL); |
599 | 439 |
440 SvREFCNT_dec(sv); | |
441 | |
442 } | |
443 | |
633 | 444 ctx->filename.data = NULL; |
599 | 445 ctx->redirect_uri.len = 0; |
446 ctx->ssi = NULL; | |
447 | |
871 | 448 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl ssi done"); |
449 | |
599 | 450 return rc; |
451 } | |
452 | |
617 | 453 #endif |
454 | |
599 | 455 |
456 static char * | |
457 ngx_http_perl_init_interpreter(ngx_conf_t *cf, ngx_http_perl_main_conf_t *pmcf) | |
458 { | |
3350
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459 ngx_str_t *m; |
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460 ngx_uint_t i; |
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461 #if (NGX_HAVE_PERL_MULTIPLICITY) |
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462 ngx_pool_cleanup_t *cln; |
599 | 463 |
464 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
465 if (cln == NULL) { | |
466 return NGX_CONF_ERROR; | |
467 } | |
468 | |
649 | 469 #endif |
470 | |
599 | 471 #ifdef NGX_PERL_MODULES |
3175 | 472 if (pmcf->modules == NGX_CONF_UNSET_PTR) { |
473 | |
474 pmcf->modules = ngx_array_create(cf->pool, 1, sizeof(ngx_str_t)); | |
475 if (pmcf->modules == NULL) { | |
476 return NGX_CONF_ERROR; | |
477 } | |
478 | |
479 m = ngx_array_push(pmcf->modules); | |
480 if (m == NULL) { | |
481 return NGX_CONF_ERROR; | |
482 } | |
483 | |
3516
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484 ngx_str_set(m, NGX_PERL_MODULES); |
599 | 485 } |
486 #endif | |
487 | |
3175 | 488 if (pmcf->modules != NGX_CONF_UNSET_PTR) { |
489 m = pmcf->modules->elts; | |
490 for (i = 0; i < pmcf->modules->nelts; i++) { | |
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491 if (ngx_conf_full_name(cf->cycle, &m[i], 0) != NGX_OK) { |
3175 | 492 return NGX_CONF_ERROR; |
493 } | |
639 | 494 } |
629 | 495 } |
496 | |
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497 #if !(NGX_HAVE_PERL_MULTIPLICITY) |
649 | 498 |
499 if (perl) { | |
1165 | 500 |
501 if (ngx_set_environment(cf->cycle, NULL) == NULL) { | |
502 return NGX_CONF_ERROR; | |
503 } | |
504 | |
3174
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505 if (ngx_http_perl_run_requires(aTHX_ pmcf->requires, cf->log) |
653 | 506 != NGX_OK) |
507 { | |
649 | 508 return NGX_CONF_ERROR; |
509 } | |
510 | |
511 pmcf->perl = perl; | |
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512 pmcf->nginx = nginx_stash; |
649 | 513 |
514 return NGX_CONF_OK; | |
515 } | |
516 | |
517 #endif | |
518 | |
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519 if (nginx_stash == NULL) { |
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520 PERL_SYS_INIT(&ngx_argc, &ngx_argv); |
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521 } |
599 | 522 |
1069 | 523 pmcf->perl = ngx_http_perl_create_interpreter(cf, pmcf); |
599 | 524 |
525 if (pmcf->perl == NULL) { | |
526 return NGX_CONF_ERROR; | |
527 } | |
528 | |
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529 pmcf->nginx = nginx_stash; |
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|
530 |
872
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
531 #if (NGX_HAVE_PERL_MULTIPLICITY) |
649 | 532 |
599 | 533 cln->handler = ngx_http_perl_cleanup_perl; |
534 cln->data = pmcf->perl; | |
535 | |
649 | 536 #else |
537 | |
538 perl = pmcf->perl; | |
539 | |
540 #endif | |
541 | |
599 | 542 return NGX_CONF_OK; |
543 } | |
544 | |
545 | |
546 static PerlInterpreter * | |
1069 | 547 ngx_http_perl_create_interpreter(ngx_conf_t *cf, |
548 ngx_http_perl_main_conf_t *pmcf) | |
599 | 549 { |
550 int n; | |
775 | 551 STRLEN len; |
552 SV *sv; | |
3175 | 553 char *ver, **embedding; |
554 ngx_str_t *m; | |
555 ngx_uint_t i; | |
599 | 556 PerlInterpreter *perl; |
557 | |
1069 | 558 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cf->log, 0, "create perl interpreter"); |
559 | |
560 if (ngx_set_environment(cf->cycle, NULL) == NULL) { | |
561 return NULL; | |
562 } | |
599 | 563 |
564 perl = perl_alloc(); | |
565 if (perl == NULL) { | |
1069 | 566 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "perl_alloc() failed"); |
599 | 567 return NULL; |
568 } | |
569 | |
570 { | |
571 | |
572 dTHXa(perl); | |
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573 PERL_SET_CONTEXT(perl); |
6820
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Perl: added PERL_SET_INTERP().
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
574 PERL_SET_INTERP(perl); |
873
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|
575 |
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|
576 perl_construct(perl); |
599 | 577 |
578 #ifdef PERL_EXIT_DESTRUCT_END | |
579 PL_exit_flags |= PERL_EXIT_DESTRUCT_END; | |
580 #endif | |
581 | |
3175 | 582 n = (pmcf->modules != NGX_CONF_UNSET_PTR) ? pmcf->modules->nelts * 2 : 0; |
583 | |
5800
0570e42ffeed
Perl: NULL-terminate argument list.
Piotr Sikora <piotr@cloudflare.com>
parents:
5362
diff
changeset
|
584 embedding = ngx_palloc(cf->pool, (5 + n) * sizeof(char *)); |
3175 | 585 if (embedding == NULL) { |
586 goto fail; | |
587 } | |
588 | |
599 | 589 embedding[0] = ""; |
590 | |
3175 | 591 if (n++) { |
592 m = pmcf->modules->elts; | |
593 for (i = 0; i < pmcf->modules->nelts; i++) { | |
594 embedding[2 * i + 1] = "-I"; | |
595 embedding[2 * i + 2] = (char *) m[i].data; | |
596 } | |
599 | 597 } |
598 | |
599 embedding[n++] = "-Mnginx"; | |
600 embedding[n++] = "-e"; | |
601 embedding[n++] = "0"; | |
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5362
diff
changeset
|
602 embedding[n] = NULL; |
599 | 603 |
604 n = perl_parse(perl, ngx_http_perl_xs_init, n, embedding, NULL); | |
605 | |
606 if (n != 0) { | |
1069 | 607 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "perl_parse() failed: %d", n); |
599 | 608 goto fail; |
609 } | |
610 | |
775 | 611 sv = get_sv("nginx::VERSION", FALSE); |
612 ver = SvPV(sv, len); | |
613 | |
614 if (ngx_strcmp(ver, NGINX_VERSION) != 0) { | |
1069 | 615 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, |
775 | 616 "version " NGINX_VERSION " of nginx.pm is required, " |
617 "but %s was found", ver); | |
618 goto fail; | |
619 } | |
620 | |
3174
479fd46cd1c4
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diff
changeset
|
621 if (ngx_http_perl_run_requires(aTHX_ pmcf->requires, cf->log) != NGX_OK) { |
649 | 622 goto fail; |
599 | 623 } |
624 | |
625 } | |
626 | |
627 return perl; | |
628 | |
629 fail: | |
630 | |
631 (void) perl_destruct(perl); | |
632 | |
633 perl_free(perl); | |
634 | |
635 return NULL; | |
636 } | |
637 | |
638 | |
649 | 639 static ngx_int_t |
653 | 640 ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, ngx_log_t *log) |
649 | 641 { |
3173 | 642 u_char *err; |
649 | 643 STRLEN len; |
3174
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Igor Sysoev <igor@sysoev.ru>
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changeset
|
644 ngx_str_t *script; |
649 | 645 ngx_uint_t i; |
646 | |
3174
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diff
changeset
|
647 if (requires == NGX_CONF_UNSET_PTR) { |
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changeset
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648 return NGX_OK; |
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diff
changeset
|
649 } |
479fd46cd1c4
use ngx_conf_set_str_array_slot() for perl_require
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3173
diff
changeset
|
650 |
649 | 651 script = requires->elts; |
652 for (i = 0; i < requires->nelts; i++) { | |
653 | |
3174
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3173
diff
changeset
|
654 require_pv((char *) script[i].data); |
649 | 655 |
656 if (SvTRUE(ERRSV)) { | |
657 | |
3173 | 658 err = (u_char *) SvPV(ERRSV, len); |
659 while (--len && (err[len] == CR || err[len] == LF)) { /* void */ } | |
649 | 660 |
661 ngx_log_error(NGX_LOG_EMERG, log, 0, | |
3173 | 662 "require_pv(\"%s\") failed: \"%*s\"", |
3174
479fd46cd1c4
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Igor Sysoev <igor@sysoev.ru>
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3173
diff
changeset
|
663 script[i].data, len + 1, err); |
649 | 664 |
665 return NGX_ERROR; | |
666 } | |
667 } | |
668 | |
669 return NGX_OK; | |
670 } | |
671 | |
672 | |
599 | 673 static ngx_int_t |
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674 ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, HV *nginx, SV *sub, |
1899
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675 SV **args, ngx_str_t *handler, ngx_str_t *rv) |
599 | 676 { |
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677 SV *sv; |
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678 int n, status; |
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679 char *line; |
3173 | 680 u_char *err; |
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681 STRLEN len, n_a; |
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682 ngx_uint_t i; |
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683 ngx_connection_t *c; |
599 | 684 |
685 dSP; | |
686 | |
687 status = 0; | |
688 | |
689 ENTER; | |
690 SAVETMPS; | |
691 | |
692 PUSHMARK(sp); | |
693 | |
873
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694 sv = sv_2mortal(sv_bless(newRV_noinc(newSViv(PTR2IV(r))), nginx)); |
599 | 695 XPUSHs(sv); |
696 | |
697 if (args) { | |
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698 EXTEND(sp, (intptr_t) args[0]); |
599 | 699 |
5362
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700 for (i = 1; i <= (uintptr_t) args[0]; i++) { |
1899
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701 PUSHs(sv_2mortal(args[i])); |
599 | 702 } |
703 } | |
704 | |
705 PUTBACK; | |
706 | |
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707 c = r->connection; |
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708 |
599 | 709 n = call_sv(sub, G_EVAL); |
710 | |
711 SPAGAIN; | |
712 | |
713 if (n) { | |
714 if (rv == NULL) { | |
715 status = POPi; | |
716 | |
1702
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717 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
599 | 718 "call_sv: %d", status); |
719 | |
720 } else { | |
619 | 721 line = SvPVx(POPs, n_a); |
599 | 722 rv->len = n_a; |
723 | |
2049 | 724 rv->data = ngx_pnalloc(r->pool, n_a); |
599 | 725 if (rv->data == NULL) { |
726 return NGX_ERROR; | |
727 } | |
728 | |
729 ngx_memcpy(rv->data, line, n_a); | |
730 } | |
731 } | |
732 | |
733 PUTBACK; | |
734 | |
735 FREETMPS; | |
736 LEAVE; | |
737 | |
738 /* check $@ */ | |
739 | |
740 if (SvTRUE(ERRSV)) { | |
741 | |
3173 | 742 err = (u_char *) SvPV(ERRSV, len); |
743 while (--len && (err[len] == CR || err[len] == LF)) { /* void */ } | |
599 | 744 |
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745 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
3173 | 746 "call_sv(\"%V\") failed: \"%*s\"", handler, len + 1, err); |
599 | 747 |
748 if (rv) { | |
749 return NGX_ERROR; | |
750 } | |
751 | |
752 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
753 } | |
754 | |
755 if (n != 1) { | |
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756 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
599 | 757 "call_sv(\"%V\") returned %d results", handler, n); |
758 status = NGX_OK; | |
759 } | |
760 | |
761 if (rv) { | |
762 return NGX_OK; | |
763 } | |
764 | |
765 return (ngx_int_t) status; | |
766 } | |
767 | |
768 | |
769 static void | |
770 ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv) | |
771 { | |
623 | 772 u_char *p; |
773 | |
774 for (p = handler->data; *p; p++) { | |
775 if (*p != ' ' && *p != '\t' && *p != CR && *p != LF) { | |
776 break; | |
777 } | |
778 } | |
779 | |
3132 | 780 if (ngx_strncmp(p, "sub ", 4) == 0 |
781 || ngx_strncmp(p, "sub{", 4) == 0 | |
782 || ngx_strncmp(p, "use ", 4) == 0) | |
783 { | |
623 | 784 *sv = eval_pv((char *) p, FALSE); |
874 | 785 |
786 /* eval_pv() does not set ERRSV on failure */ | |
787 | |
599 | 788 return; |
789 } | |
790 | |
791 *sv = NULL; | |
792 } | |
793 | |
794 | |
795 static void * | |
796 ngx_http_perl_create_main_conf(ngx_conf_t *cf) | |
797 { | |
798 ngx_http_perl_main_conf_t *pmcf; | |
799 | |
800 pmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_main_conf_t)); | |
801 if (pmcf == NULL) { | |
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802 return NULL; |
599 | 803 } |
804 | |
3175 | 805 pmcf->modules = NGX_CONF_UNSET_PTR; |
3174
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806 pmcf->requires = NGX_CONF_UNSET_PTR; |
599 | 807 |
808 return pmcf; | |
809 } | |
810 | |
811 | |
812 static char * | |
813 ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf) | |
814 { | |
815 ngx_http_perl_main_conf_t *pmcf = conf; | |
816 | |
817 if (pmcf->perl == NULL) { | |
818 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
819 return NGX_CONF_ERROR; | |
820 } | |
821 } | |
822 | |
823 return NGX_CONF_OK; | |
824 } | |
825 | |
826 | |
872
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827 #if (NGX_HAVE_PERL_MULTIPLICITY) |
649 | 828 |
599 | 829 static void |
830 ngx_http_perl_cleanup_perl(void *data) | |
831 { | |
649 | 832 PerlInterpreter *perl = data; |
599 | 833 |
873
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834 PERL_SET_CONTEXT(perl); |
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835 PERL_SET_INTERP(perl); |
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836 |
599 | 837 (void) perl_destruct(perl); |
838 | |
839 perl_free(perl); | |
2715 | 840 |
841 if (ngx_perl_term) { | |
842 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0, "perl term"); | |
843 | |
844 PERL_SYS_TERM(); | |
845 } | |
599 | 846 } |
847 | |
649 | 848 #endif |
849 | |
850 | |
599 | 851 static ngx_int_t |
852 ngx_http_perl_preconfiguration(ngx_conf_t *cf) | |
853 { | |
617 | 854 #if (NGX_HTTP_SSI) |
599 | 855 ngx_int_t rc; |
856 ngx_http_ssi_main_conf_t *smcf; | |
857 | |
858 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module); | |
859 | |
860 rc = ngx_hash_add_key(&smcf->commands, &ngx_http_perl_ssi_command.name, | |
861 &ngx_http_perl_ssi_command, NGX_HASH_READONLY_KEY); | |
862 | |
863 if (rc != NGX_OK) { | |
864 if (rc == NGX_BUSY) { | |
865 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
866 "conflicting SSI command \"%V\"", | |
867 &ngx_http_perl_ssi_command.name); | |
868 } | |
869 | |
870 return NGX_ERROR; | |
871 } | |
617 | 872 #endif |
599 | 873 |
874 return NGX_OK; | |
875 } | |
876 | |
877 | |
878 static void * | |
879 ngx_http_perl_create_loc_conf(ngx_conf_t *cf) | |
880 { | |
881 ngx_http_perl_loc_conf_t *plcf; | |
882 | |
883 plcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_loc_conf_t)); | |
884 if (plcf == NULL) { | |
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885 return NULL; |
599 | 886 } |
887 | |
888 /* | |
889 * set by ngx_pcalloc(): | |
890 * | |
891 * plcf->handler = { 0, NULL }; | |
892 */ | |
893 | |
894 return plcf; | |
895 } | |
896 | |
897 | |
898 static char * | |
899 ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
900 { | |
901 ngx_http_perl_loc_conf_t *prev = parent; | |
902 ngx_http_perl_loc_conf_t *conf = child; | |
903 | |
904 if (conf->sub == NULL) { | |
905 conf->sub = prev->sub; | |
906 conf->handler = prev->handler; | |
907 } | |
908 | |
909 return NGX_CONF_OK; | |
910 } | |
911 | |
912 | |
913 static char * | |
914 ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
915 { | |
916 ngx_http_perl_loc_conf_t *plcf = conf; | |
917 | |
918 ngx_str_t *value; | |
919 ngx_http_core_loc_conf_t *clcf; | |
920 ngx_http_perl_main_conf_t *pmcf; | |
921 | |
922 value = cf->args->elts; | |
923 | |
924 if (plcf->handler.data) { | |
925 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
926 "duplicate perl handler \"%V\"", &value[1]); | |
927 return NGX_CONF_ERROR; | |
928 } | |
929 | |
930 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
931 | |
932 if (pmcf->perl == NULL) { | |
933 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
934 return NGX_CONF_ERROR; | |
935 } | |
936 } | |
937 | |
938 plcf->handler = value[1]; | |
939 | |
940 { | |
941 | |
942 dTHXa(pmcf->perl); | |
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943 PERL_SET_CONTEXT(pmcf->perl); |
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944 PERL_SET_INTERP(pmcf->perl); |
599 | 945 |
946 ngx_http_perl_eval_anon_sub(aTHX_ &value[1], &plcf->sub); | |
947 | |
948 if (plcf->sub == &PL_sv_undef) { | |
949 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
950 "eval_pv(\"%V\") failed", &value[1]); | |
951 return NGX_CONF_ERROR; | |
952 } | |
953 | |
954 if (plcf->sub == NULL) { | |
955 plcf->sub = newSVpvn((char *) value[1].data, value[1].len); | |
956 } | |
957 | |
958 } | |
959 | |
960 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
961 clcf->handler = ngx_http_perl_handler; | |
962 | |
963 return NGX_CONF_OK; | |
964 } | |
965 | |
966 | |
967 static char * | |
968 ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
969 { | |
970 ngx_int_t index; | |
971 ngx_str_t *value; | |
972 ngx_http_variable_t *v; | |
973 ngx_http_perl_variable_t *pv; | |
974 ngx_http_perl_main_conf_t *pmcf; | |
975 | |
976 value = cf->args->elts; | |
977 | |
4972
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978 if (value[1].data[0] != '$') { |
599 | 979 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
980 "invalid variable name \"%V\"", &value[1]); | |
981 return NGX_CONF_ERROR; | |
982 } | |
983 | |
984 value[1].len--; | |
985 value[1].data++; | |
986 | |
1565 | 987 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGEABLE); |
599 | 988 if (v == NULL) { |
989 return NGX_CONF_ERROR; | |
990 } | |
991 | |
992 pv = ngx_palloc(cf->pool, sizeof(ngx_http_perl_variable_t)); | |
993 if (pv == NULL) { | |
994 return NGX_CONF_ERROR; | |
995 } | |
996 | |
997 index = ngx_http_get_variable_index(cf, &value[1]); | |
998 if (index == NGX_ERROR) { | |
999 return NGX_CONF_ERROR; | |
1000 } | |
1001 | |
1002 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
1003 | |
1004 if (pmcf->perl == NULL) { | |
1005 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
1006 return NGX_CONF_ERROR; | |
1007 } | |
1008 } | |
1009 | |
1010 pv->handler = value[2]; | |
1011 | |
1012 { | |
1013 | |
1014 dTHXa(pmcf->perl); | |
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1015 PERL_SET_CONTEXT(pmcf->perl); |
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1016 PERL_SET_INTERP(pmcf->perl); |
599 | 1017 |
1018 ngx_http_perl_eval_anon_sub(aTHX_ &value[2], &pv->sub); | |
1019 | |
1020 if (pv->sub == &PL_sv_undef) { | |
1021 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
1022 "eval_pv(\"%V\") failed", &value[2]); | |
1023 return NGX_CONF_ERROR; | |
1024 } | |
1025 | |
1026 if (pv->sub == NULL) { | |
1027 pv->sub = newSVpvn((char *) value[2].data, value[2].len); | |
1028 } | |
1029 | |
1030 } | |
1031 | |
637 | 1032 v->get_handler = ngx_http_perl_variable; |
599 | 1033 v->data = (uintptr_t) pv; |
1034 | |
1035 return NGX_CONF_OK; | |
1036 } | |
1221
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1037 |
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1038 |
1257 | 1039 static ngx_int_t |
1040 ngx_http_perl_init_worker(ngx_cycle_t *cycle) | |
1041 { | |
1258
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1042 ngx_http_perl_main_conf_t *pmcf; |
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1043 |
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1044 pmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_perl_module); |
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1045 |
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1046 if (pmcf) { |
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1047 dTHXa(pmcf->perl); |
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changeset
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1048 PERL_SET_CONTEXT(pmcf->perl); |
6820
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changeset
|
1049 PERL_SET_INTERP(pmcf->perl); |
1258
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1050 |
2713
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1051 /* set worker's $$ */ |
1257 | 1052 |
2713
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1053 sv_setiv(GvSV(gv_fetchpv("$", TRUE, SVt_PV)), (I32) ngx_pid); |
1258
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1054 } |
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1055 |
1257 | 1056 return NGX_OK; |
1057 } | |
1058 | |
1941 | 1059 |
1221
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1060 static void |
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1061 ngx_http_perl_exit(ngx_cycle_t *cycle) |
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1062 { |
2715 | 1063 #if (NGX_HAVE_PERL_MULTIPLICITY) |
1064 | |
3351
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1065 /* |
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1066 * the master exit hook is run before global pool cleanup, |
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Igor Sysoev <igor@sysoev.ru>
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1067 * therefore just set flag here |
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Igor Sysoev <igor@sysoev.ru>
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1068 */ |
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1069 |
2715 | 1070 ngx_perl_term = 1; |
1071 | |
1072 #else | |
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1073 |
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use global perl variable in perl_destruct()/perl_free()
Igor Sysoev <igor@sysoev.ru>
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1074 if (nginx_stash) { |
2715 | 1075 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cycle->log, 0, "perl term"); |
1076 | |
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use global perl variable in perl_destruct()/perl_free()
Igor Sysoev <igor@sysoev.ru>
parents:
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1077 (void) perl_destruct(perl); |
2715 | 1078 |
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use global perl variable in perl_destruct()/perl_free()
Igor Sysoev <igor@sysoev.ru>
parents:
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1079 perl_free(perl); |
1946
171a283af56b
some perl builds require my_perl for PERL_SYS_TERM()
Igor Sysoev <igor@sysoev.ru>
parents:
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1080 |
2714
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fix segfault on exit if no http section is defined in confguraiton,
Igor Sysoev <igor@sysoev.ru>
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1081 PERL_SYS_TERM(); |
1946
171a283af56b
some perl builds require my_perl for PERL_SYS_TERM()
Igor Sysoev <igor@sysoev.ru>
parents:
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1082 } |
2715 | 1083 |
1084 #endif | |
1221
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PERL_SYS_TERM() should be called once on exit only, this fixes the message
Igor Sysoev <igor@sysoev.ru>
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1085 } |