Mercurial > hg > nginx-quic
annotate src/http/modules/perl/ngx_http_perl_module.c @ 4494:13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
ngx_open_file_info_t moved to a separate function.
This is preparation for the "from=" parameter implementation of the
"disable_symlinks" directive.
author | Valentin Bartenev <vbart@nginx.com> |
---|---|
date | Mon, 27 Feb 2012 16:51:28 +0000 |
parents | d620f497c50f |
children | 9f4cdc7a8578 |
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; |
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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); |
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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, | |
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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 */ | |
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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); |
599 | 210 |
681 | 211 if (ctx->next == NULL) { |
212 plcf = ngx_http_get_module_loc_conf(r, ngx_http_perl_module); | |
213 sub = plcf->sub; | |
214 handler = &plcf->handler; | |
599 | 215 |
681 | 216 } else { |
217 sub = ctx->next; | |
218 handler = &ngx_null_name; | |
219 ctx->next = NULL; | |
220 } | |
221 | |
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222 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sub, NULL, handler, |
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223 NULL); |
599 | 224 |
225 } | |
226 | |
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227 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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228 "perl handler done: %i", rc); |
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229 |
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230 if (rc == NGX_DONE) { |
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231 ngx_http_finalize_request(r, rc); |
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232 return; |
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233 } |
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234 |
599 | 235 if (rc > 600) { |
236 rc = NGX_OK; | |
237 } | |
238 | |
239 if (ctx->redirect_uri.len) { | |
240 uri = ctx->redirect_uri; | |
241 args = ctx->redirect_args; | |
629 | 242 |
243 } else { | |
244 uri.len = 0; | |
599 | 245 } |
246 | |
633 | 247 ctx->filename.data = NULL; |
599 | 248 ctx->redirect_uri.len = 0; |
249 | |
681 | 250 if (ctx->done || ctx->next) { |
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251 ngx_http_finalize_request(r, NGX_DONE); |
681 | 252 return; |
253 } | |
254 | |
599 | 255 if (uri.len) { |
629 | 256 ngx_http_internal_redirect(r, &uri, &args); |
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257 ngx_http_finalize_request(r, NGX_DONE); |
629 | 258 return; |
599 | 259 } |
260 | |
261 if (rc == NGX_OK || rc == NGX_HTTP_OK) { | |
629 | 262 ngx_http_send_special(r, NGX_HTTP_LAST); |
681 | 263 ctx->done = 1; |
599 | 264 } |
265 | |
629 | 266 ngx_http_finalize_request(r, rc); |
599 | 267 } |
268 | |
269 | |
1897 | 270 void |
911 | 271 ngx_http_perl_sleep_handler(ngx_http_request_t *r) |
272 { | |
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273 ngx_event_t *wev; |
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274 |
911 | 275 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
276 "perl sleep handler"); | |
277 | |
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278 wev = r->connection->write; |
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279 |
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280 if (wev->timedout) { |
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281 wev->timedout = 0; |
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282 ngx_http_perl_handle_request(r); |
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283 return; |
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284 } |
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285 |
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286 if (ngx_handle_write_event(wev, 0) != NGX_OK) { |
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287 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
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288 } |
911 | 289 } |
290 | |
291 | |
599 | 292 static ngx_int_t |
293 ngx_http_perl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
294 uintptr_t data) | |
295 { | |
296 ngx_http_perl_variable_t *pv = (ngx_http_perl_variable_t *) data; | |
297 | |
298 ngx_int_t rc; | |
299 ngx_str_t value; | |
300 ngx_http_perl_ctx_t *ctx; | |
301 ngx_http_perl_main_conf_t *pmcf; | |
302 | |
303 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
304 "perl variable handler"); | |
305 | |
306 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
307 | |
308 if (ctx == NULL) { | |
309 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
310 if (ctx == NULL) { | |
311 return NGX_ERROR; | |
312 } | |
313 | |
314 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
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315 } |
599 | 316 |
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317 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); |
599 | 318 |
319 value.data = NULL; | |
320 | |
321 { | |
322 | |
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323 dTHXa(pmcf->perl); |
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324 PERL_SET_CONTEXT(pmcf->perl); |
599 | 325 |
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326 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, pv->sub, NULL, |
599 | 327 &pv->handler, &value); |
328 | |
329 } | |
330 | |
331 if (value.data) { | |
332 v->len = value.len; | |
333 v->valid = 1; | |
1565 | 334 v->no_cacheable = 0; |
599 | 335 v->not_found = 0; |
336 v->data = value.data; | |
337 | |
338 } else { | |
339 v->not_found = 1; | |
340 } | |
341 | |
633 | 342 ctx->filename.data = NULL; |
599 | 343 ctx->redirect_uri.len = 0; |
344 | |
871 | 345 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
346 "perl variable done"); | |
347 | |
599 | 348 return rc; |
349 } | |
350 | |
351 | |
617 | 352 #if (NGX_HTTP_SSI) |
353 | |
599 | 354 static ngx_int_t |
355 ngx_http_perl_ssi(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ssi_ctx, | |
356 ngx_str_t **params) | |
357 { | |
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358 SV *sv, **asv; |
599 | 359 ngx_int_t rc; |
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360 ngx_str_t *handler, **args; |
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361 ngx_uint_t i; |
599 | 362 ngx_http_perl_ctx_t *ctx; |
363 ngx_http_perl_main_conf_t *pmcf; | |
364 | |
365 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
366 "perl ssi handler"); | |
367 | |
368 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
369 | |
370 if (ctx == NULL) { | |
371 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
372 if (ctx == NULL) { | |
373 return NGX_ERROR; | |
374 } | |
375 | |
376 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
377 } | |
378 | |
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379 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); |
599 | 380 |
381 ctx->ssi = ssi_ctx; | |
382 | |
383 handler = params[NGX_HTTP_PERL_SSI_SUB]; | |
384 handler->data[handler->len] = '\0'; | |
385 | |
386 { | |
387 | |
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388 dTHXa(pmcf->perl); |
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389 PERL_SET_CONTEXT(pmcf->perl); |
599 | 390 |
651 | 391 #if 0 |
392 | |
393 /* the code is disabled to force the precompiled perl code using only */ | |
394 | |
395 ngx_http_perl_eval_anon_sub(aTHX_ handler, &sv); | |
396 | |
397 if (sv == &PL_sv_undef) { | |
398 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
399 "eval_pv(\"%V\") failed", handler); | |
400 return NGX_ERROR; | |
401 } | |
402 | |
403 if (sv == NULL) { | |
404 sv = newSVpvn((char *) handler->data, handler->len); | |
405 } | |
406 | |
407 #endif | |
408 | |
599 | 409 sv = newSVpvn((char *) handler->data, handler->len); |
410 | |
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411 args = ¶ms[NGX_HTTP_PERL_SSI_ARG]; |
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412 |
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413 if (args) { |
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414 |
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415 for (i = 0; args[i]; i++) { /* void */ } |
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416 |
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417 asv = ngx_pcalloc(r->pool, (i + 1) * sizeof(SV *)); |
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418 |
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419 if (asv == NULL) { |
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420 SvREFCNT_dec(sv); |
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421 return NGX_ERROR; |
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422 } |
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423 |
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424 asv[0] = (SV *) i; |
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425 |
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426 for (i = 0; args[i]; i++) { |
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427 asv[i + 1] = newSVpvn((char *) args[i]->data, args[i]->len); |
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428 } |
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429 |
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430 } else { |
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431 asv = NULL; |
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432 } |
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433 |
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434 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sv, asv, handler, |
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435 NULL); |
599 | 436 |
437 SvREFCNT_dec(sv); | |
438 | |
439 } | |
440 | |
633 | 441 ctx->filename.data = NULL; |
599 | 442 ctx->redirect_uri.len = 0; |
443 ctx->ssi = NULL; | |
444 | |
871 | 445 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl ssi done"); |
446 | |
599 | 447 return rc; |
448 } | |
449 | |
617 | 450 #endif |
451 | |
599 | 452 |
453 static char * | |
454 ngx_http_perl_init_interpreter(ngx_conf_t *cf, ngx_http_perl_main_conf_t *pmcf) | |
455 { | |
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456 ngx_str_t *m; |
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457 ngx_uint_t i; |
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458 #if (NGX_HAVE_PERL_MULTIPLICITY) |
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459 ngx_pool_cleanup_t *cln; |
599 | 460 |
461 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
462 if (cln == NULL) { | |
463 return NGX_CONF_ERROR; | |
464 } | |
465 | |
649 | 466 #endif |
467 | |
599 | 468 #ifdef NGX_PERL_MODULES |
3175 | 469 if (pmcf->modules == NGX_CONF_UNSET_PTR) { |
470 | |
471 pmcf->modules = ngx_array_create(cf->pool, 1, sizeof(ngx_str_t)); | |
472 if (pmcf->modules == NULL) { | |
473 return NGX_CONF_ERROR; | |
474 } | |
475 | |
476 m = ngx_array_push(pmcf->modules); | |
477 if (m == NULL) { | |
478 return NGX_CONF_ERROR; | |
479 } | |
480 | |
3516
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481 ngx_str_set(m, NGX_PERL_MODULES); |
599 | 482 } |
483 #endif | |
484 | |
3175 | 485 if (pmcf->modules != NGX_CONF_UNSET_PTR) { |
486 m = pmcf->modules->elts; | |
487 for (i = 0; i < pmcf->modules->nelts; i++) { | |
488 if (ngx_conf_full_name(cf->cycle, &m[i], 0) != NGX_OK) { | |
489 return NGX_CONF_ERROR; | |
490 } | |
639 | 491 } |
629 | 492 } |
493 | |
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494 #if !(NGX_HAVE_PERL_MULTIPLICITY) |
649 | 495 |
496 if (perl) { | |
1165 | 497 |
498 if (ngx_set_environment(cf->cycle, NULL) == NULL) { | |
499 return NGX_CONF_ERROR; | |
500 } | |
501 | |
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502 if (ngx_http_perl_run_requires(aTHX_ pmcf->requires, cf->log) |
653 | 503 != NGX_OK) |
504 { | |
649 | 505 return NGX_CONF_ERROR; |
506 } | |
507 | |
508 pmcf->perl = perl; | |
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509 pmcf->nginx = nginx_stash; |
649 | 510 |
511 return NGX_CONF_OK; | |
512 } | |
513 | |
514 #endif | |
515 | |
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516 if (nginx_stash == NULL) { |
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517 PERL_SYS_INIT(&ngx_argc, &ngx_argv); |
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518 } |
599 | 519 |
1069 | 520 pmcf->perl = ngx_http_perl_create_interpreter(cf, pmcf); |
599 | 521 |
522 if (pmcf->perl == NULL) { | |
523 return NGX_CONF_ERROR; | |
524 } | |
525 | |
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526 pmcf->nginx = nginx_stash; |
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527 |
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528 #if (NGX_HAVE_PERL_MULTIPLICITY) |
649 | 529 |
599 | 530 cln->handler = ngx_http_perl_cleanup_perl; |
531 cln->data = pmcf->perl; | |
532 | |
649 | 533 #else |
534 | |
535 perl = pmcf->perl; | |
536 | |
537 #endif | |
538 | |
599 | 539 return NGX_CONF_OK; |
540 } | |
541 | |
542 | |
543 static PerlInterpreter * | |
1069 | 544 ngx_http_perl_create_interpreter(ngx_conf_t *cf, |
545 ngx_http_perl_main_conf_t *pmcf) | |
599 | 546 { |
547 int n; | |
775 | 548 STRLEN len; |
549 SV *sv; | |
3175 | 550 char *ver, **embedding; |
551 ngx_str_t *m; | |
552 ngx_uint_t i; | |
599 | 553 PerlInterpreter *perl; |
554 | |
1069 | 555 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cf->log, 0, "create perl interpreter"); |
556 | |
557 if (ngx_set_environment(cf->cycle, NULL) == NULL) { | |
558 return NULL; | |
559 } | |
599 | 560 |
561 perl = perl_alloc(); | |
562 if (perl == NULL) { | |
1069 | 563 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "perl_alloc() failed"); |
599 | 564 return NULL; |
565 } | |
566 | |
567 { | |
568 | |
569 dTHXa(perl); | |
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570 PERL_SET_CONTEXT(perl); |
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571 |
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572 perl_construct(perl); |
599 | 573 |
574 #ifdef PERL_EXIT_DESTRUCT_END | |
575 PL_exit_flags |= PERL_EXIT_DESTRUCT_END; | |
576 #endif | |
577 | |
3175 | 578 n = (pmcf->modules != NGX_CONF_UNSET_PTR) ? pmcf->modules->nelts * 2 : 0; |
579 | |
580 embedding = ngx_palloc(cf->pool, (4 + n) * sizeof(char *)); | |
581 if (embedding == NULL) { | |
582 goto fail; | |
583 } | |
584 | |
599 | 585 embedding[0] = ""; |
586 | |
3175 | 587 if (n++) { |
588 m = pmcf->modules->elts; | |
589 for (i = 0; i < pmcf->modules->nelts; i++) { | |
590 embedding[2 * i + 1] = "-I"; | |
591 embedding[2 * i + 2] = (char *) m[i].data; | |
592 } | |
599 | 593 } |
594 | |
595 embedding[n++] = "-Mnginx"; | |
596 embedding[n++] = "-e"; | |
597 embedding[n++] = "0"; | |
598 | |
599 n = perl_parse(perl, ngx_http_perl_xs_init, n, embedding, NULL); | |
600 | |
601 if (n != 0) { | |
1069 | 602 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "perl_parse() failed: %d", n); |
599 | 603 goto fail; |
604 } | |
605 | |
775 | 606 sv = get_sv("nginx::VERSION", FALSE); |
607 ver = SvPV(sv, len); | |
608 | |
609 if (ngx_strcmp(ver, NGINX_VERSION) != 0) { | |
1069 | 610 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, |
775 | 611 "version " NGINX_VERSION " of nginx.pm is required, " |
612 "but %s was found", ver); | |
613 goto fail; | |
614 } | |
615 | |
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616 if (ngx_http_perl_run_requires(aTHX_ pmcf->requires, cf->log) != NGX_OK) { |
649 | 617 goto fail; |
599 | 618 } |
619 | |
620 } | |
621 | |
622 return perl; | |
623 | |
624 fail: | |
625 | |
626 (void) perl_destruct(perl); | |
627 | |
628 perl_free(perl); | |
629 | |
630 return NULL; | |
631 } | |
632 | |
633 | |
649 | 634 static ngx_int_t |
653 | 635 ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, ngx_log_t *log) |
649 | 636 { |
3173 | 637 u_char *err; |
649 | 638 STRLEN len; |
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639 ngx_str_t *script; |
649 | 640 ngx_uint_t i; |
641 | |
3174
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642 if (requires == NGX_CONF_UNSET_PTR) { |
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643 return NGX_OK; |
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644 } |
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645 |
649 | 646 script = requires->elts; |
647 for (i = 0; i < requires->nelts; i++) { | |
648 | |
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649 require_pv((char *) script[i].data); |
649 | 650 |
651 if (SvTRUE(ERRSV)) { | |
652 | |
3173 | 653 err = (u_char *) SvPV(ERRSV, len); |
654 while (--len && (err[len] == CR || err[len] == LF)) { /* void */ } | |
649 | 655 |
656 ngx_log_error(NGX_LOG_EMERG, log, 0, | |
3173 | 657 "require_pv(\"%s\") failed: \"%*s\"", |
3174
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658 script[i].data, len + 1, err); |
649 | 659 |
660 return NGX_ERROR; | |
661 } | |
662 } | |
663 | |
664 return NGX_OK; | |
665 } | |
666 | |
667 | |
599 | 668 static ngx_int_t |
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669 ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, HV *nginx, SV *sub, |
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670 SV **args, ngx_str_t *handler, ngx_str_t *rv) |
599 | 671 { |
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672 SV *sv; |
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673 int n, status; |
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674 char *line; |
3173 | 675 u_char *err; |
1702
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676 STRLEN len, n_a; |
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677 ngx_uint_t i; |
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changeset
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678 ngx_connection_t *c; |
599 | 679 |
680 dSP; | |
681 | |
682 status = 0; | |
683 | |
684 ENTER; | |
685 SAVETMPS; | |
686 | |
687 PUSHMARK(sp); | |
688 | |
873
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689 sv = sv_2mortal(sv_bless(newRV_noinc(newSViv(PTR2IV(r))), nginx)); |
599 | 690 XPUSHs(sv); |
691 | |
692 if (args) { | |
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693 EXTEND(sp, (intptr_t) args[0]); |
599 | 694 |
1899
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695 for (i = 1; i <= (ngx_uint_t) args[0]; i++) { |
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696 PUSHs(sv_2mortal(args[i])); |
599 | 697 } |
698 } | |
699 | |
700 PUTBACK; | |
701 | |
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702 c = r->connection; |
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703 |
599 | 704 n = call_sv(sub, G_EVAL); |
705 | |
706 SPAGAIN; | |
707 | |
708 if (n) { | |
709 if (rv == NULL) { | |
710 status = POPi; | |
711 | |
1702
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712 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
599 | 713 "call_sv: %d", status); |
714 | |
715 } else { | |
619 | 716 line = SvPVx(POPs, n_a); |
599 | 717 rv->len = n_a; |
718 | |
2049 | 719 rv->data = ngx_pnalloc(r->pool, n_a); |
599 | 720 if (rv->data == NULL) { |
721 return NGX_ERROR; | |
722 } | |
723 | |
724 ngx_memcpy(rv->data, line, n_a); | |
725 } | |
726 } | |
727 | |
728 PUTBACK; | |
729 | |
730 FREETMPS; | |
731 LEAVE; | |
732 | |
733 /* check $@ */ | |
734 | |
735 if (SvTRUE(ERRSV)) { | |
736 | |
3173 | 737 err = (u_char *) SvPV(ERRSV, len); |
738 while (--len && (err[len] == CR || err[len] == LF)) { /* void */ } | |
599 | 739 |
1702
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740 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
3173 | 741 "call_sv(\"%V\") failed: \"%*s\"", handler, len + 1, err); |
599 | 742 |
743 if (rv) { | |
744 return NGX_ERROR; | |
745 } | |
746 | |
747 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
748 } | |
749 | |
750 if (n != 1) { | |
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751 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
599 | 752 "call_sv(\"%V\") returned %d results", handler, n); |
753 status = NGX_OK; | |
754 } | |
755 | |
756 if (rv) { | |
757 return NGX_OK; | |
758 } | |
759 | |
760 return (ngx_int_t) status; | |
761 } | |
762 | |
763 | |
764 static void | |
765 ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv) | |
766 { | |
623 | 767 u_char *p; |
768 | |
769 for (p = handler->data; *p; p++) { | |
770 if (*p != ' ' && *p != '\t' && *p != CR && *p != LF) { | |
771 break; | |
772 } | |
773 } | |
774 | |
3132 | 775 if (ngx_strncmp(p, "sub ", 4) == 0 |
776 || ngx_strncmp(p, "sub{", 4) == 0 | |
777 || ngx_strncmp(p, "use ", 4) == 0) | |
778 { | |
623 | 779 *sv = eval_pv((char *) p, FALSE); |
874 | 780 |
781 /* eval_pv() does not set ERRSV on failure */ | |
782 | |
599 | 783 return; |
784 } | |
785 | |
786 *sv = NULL; | |
787 } | |
788 | |
789 | |
790 static void * | |
791 ngx_http_perl_create_main_conf(ngx_conf_t *cf) | |
792 { | |
793 ngx_http_perl_main_conf_t *pmcf; | |
794 | |
795 pmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_main_conf_t)); | |
796 if (pmcf == NULL) { | |
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797 return NULL; |
599 | 798 } |
799 | |
3175 | 800 pmcf->modules = NGX_CONF_UNSET_PTR; |
3174
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801 pmcf->requires = NGX_CONF_UNSET_PTR; |
599 | 802 |
803 return pmcf; | |
804 } | |
805 | |
806 | |
807 static char * | |
808 ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf) | |
809 { | |
810 ngx_http_perl_main_conf_t *pmcf = conf; | |
811 | |
812 if (pmcf->perl == NULL) { | |
813 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
814 return NGX_CONF_ERROR; | |
815 } | |
816 } | |
817 | |
818 return NGX_CONF_OK; | |
819 } | |
820 | |
821 | |
872
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822 #if (NGX_HAVE_PERL_MULTIPLICITY) |
649 | 823 |
599 | 824 static void |
825 ngx_http_perl_cleanup_perl(void *data) | |
826 { | |
649 | 827 PerlInterpreter *perl = data; |
599 | 828 |
873
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829 PERL_SET_CONTEXT(perl); |
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830 |
599 | 831 (void) perl_destruct(perl); |
832 | |
833 perl_free(perl); | |
2715 | 834 |
835 if (ngx_perl_term) { | |
836 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0, "perl term"); | |
837 | |
838 PERL_SYS_TERM(); | |
839 } | |
599 | 840 } |
841 | |
649 | 842 #endif |
843 | |
844 | |
599 | 845 static ngx_int_t |
846 ngx_http_perl_preconfiguration(ngx_conf_t *cf) | |
847 { | |
617 | 848 #if (NGX_HTTP_SSI) |
599 | 849 ngx_int_t rc; |
850 ngx_http_ssi_main_conf_t *smcf; | |
851 | |
852 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module); | |
853 | |
854 rc = ngx_hash_add_key(&smcf->commands, &ngx_http_perl_ssi_command.name, | |
855 &ngx_http_perl_ssi_command, NGX_HASH_READONLY_KEY); | |
856 | |
857 if (rc != NGX_OK) { | |
858 if (rc == NGX_BUSY) { | |
859 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
860 "conflicting SSI command \"%V\"", | |
861 &ngx_http_perl_ssi_command.name); | |
862 } | |
863 | |
864 return NGX_ERROR; | |
865 } | |
617 | 866 #endif |
599 | 867 |
868 return NGX_OK; | |
869 } | |
870 | |
871 | |
872 static void * | |
873 ngx_http_perl_create_loc_conf(ngx_conf_t *cf) | |
874 { | |
875 ngx_http_perl_loc_conf_t *plcf; | |
876 | |
877 plcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_loc_conf_t)); | |
878 if (plcf == NULL) { | |
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879 return NULL; |
599 | 880 } |
881 | |
882 /* | |
883 * set by ngx_pcalloc(): | |
884 * | |
885 * plcf->handler = { 0, NULL }; | |
886 */ | |
887 | |
888 return plcf; | |
889 } | |
890 | |
891 | |
892 static char * | |
893 ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
894 { | |
895 ngx_http_perl_loc_conf_t *prev = parent; | |
896 ngx_http_perl_loc_conf_t *conf = child; | |
897 | |
898 if (conf->sub == NULL) { | |
899 conf->sub = prev->sub; | |
900 conf->handler = prev->handler; | |
901 } | |
902 | |
903 return NGX_CONF_OK; | |
904 } | |
905 | |
906 | |
907 static char * | |
908 ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
909 { | |
910 ngx_http_perl_loc_conf_t *plcf = conf; | |
911 | |
912 ngx_str_t *value; | |
913 ngx_http_core_loc_conf_t *clcf; | |
914 ngx_http_perl_main_conf_t *pmcf; | |
915 | |
916 value = cf->args->elts; | |
917 | |
918 if (plcf->handler.data) { | |
919 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
920 "duplicate perl handler \"%V\"", &value[1]); | |
921 return NGX_CONF_ERROR; | |
922 } | |
923 | |
924 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
925 | |
926 if (pmcf->perl == NULL) { | |
927 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
928 return NGX_CONF_ERROR; | |
929 } | |
930 } | |
931 | |
932 plcf->handler = value[1]; | |
933 | |
934 { | |
935 | |
936 dTHXa(pmcf->perl); | |
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937 PERL_SET_CONTEXT(pmcf->perl); |
599 | 938 |
939 ngx_http_perl_eval_anon_sub(aTHX_ &value[1], &plcf->sub); | |
940 | |
941 if (plcf->sub == &PL_sv_undef) { | |
942 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
943 "eval_pv(\"%V\") failed", &value[1]); | |
944 return NGX_CONF_ERROR; | |
945 } | |
946 | |
947 if (plcf->sub == NULL) { | |
948 plcf->sub = newSVpvn((char *) value[1].data, value[1].len); | |
949 } | |
950 | |
951 } | |
952 | |
953 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
954 clcf->handler = ngx_http_perl_handler; | |
955 | |
956 return NGX_CONF_OK; | |
957 } | |
958 | |
959 | |
960 static char * | |
961 ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
962 { | |
963 ngx_int_t index; | |
964 ngx_str_t *value; | |
965 ngx_http_variable_t *v; | |
966 ngx_http_perl_variable_t *pv; | |
967 ngx_http_perl_main_conf_t *pmcf; | |
968 | |
969 value = cf->args->elts; | |
970 | |
971 if (value[1].data[0] != '$') { | |
972 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
973 "invalid variable name \"%V\"", &value[1]); | |
974 return NGX_CONF_ERROR; | |
975 } | |
976 | |
977 value[1].len--; | |
978 value[1].data++; | |
979 | |
1565 | 980 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGEABLE); |
599 | 981 if (v == NULL) { |
982 return NGX_CONF_ERROR; | |
983 } | |
984 | |
985 pv = ngx_palloc(cf->pool, sizeof(ngx_http_perl_variable_t)); | |
986 if (pv == NULL) { | |
987 return NGX_CONF_ERROR; | |
988 } | |
989 | |
990 index = ngx_http_get_variable_index(cf, &value[1]); | |
991 if (index == NGX_ERROR) { | |
992 return NGX_CONF_ERROR; | |
993 } | |
994 | |
995 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
996 | |
997 if (pmcf->perl == NULL) { | |
998 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
999 return NGX_CONF_ERROR; | |
1000 } | |
1001 } | |
1002 | |
1003 pv->handler = value[2]; | |
1004 | |
1005 { | |
1006 | |
1007 dTHXa(pmcf->perl); | |
873
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1008 PERL_SET_CONTEXT(pmcf->perl); |
599 | 1009 |
1010 ngx_http_perl_eval_anon_sub(aTHX_ &value[2], &pv->sub); | |
1011 | |
1012 if (pv->sub == &PL_sv_undef) { | |
1013 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
1014 "eval_pv(\"%V\") failed", &value[2]); | |
1015 return NGX_CONF_ERROR; | |
1016 } | |
1017 | |
1018 if (pv->sub == NULL) { | |
1019 pv->sub = newSVpvn((char *) value[2].data, value[2].len); | |
1020 } | |
1021 | |
1022 } | |
1023 | |
637 | 1024 v->get_handler = ngx_http_perl_variable; |
599 | 1025 v->data = (uintptr_t) pv; |
1026 | |
1027 return NGX_CONF_OK; | |
1028 } | |
1221
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1029 |
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1030 |
1257 | 1031 static ngx_int_t |
1032 ngx_http_perl_init_worker(ngx_cycle_t *cycle) | |
1033 { | |
1258
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1034 ngx_http_perl_main_conf_t *pmcf; |
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1035 |
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1036 pmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_perl_module); |
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1037 |
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1038 if (pmcf) { |
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1039 dTHXa(pmcf->perl); |
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1040 PERL_SET_CONTEXT(pmcf->perl); |
1258
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1041 |
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1042 /* set worker's $$ */ |
1257 | 1043 |
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1044 sv_setiv(GvSV(gv_fetchpv("$", TRUE, SVt_PV)), (I32) ngx_pid); |
1258
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1045 } |
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1046 |
1257 | 1047 return NGX_OK; |
1048 } | |
1049 | |
1941 | 1050 |
1221
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1051 static void |
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1052 ngx_http_perl_exit(ngx_cycle_t *cycle) |
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1053 { |
2715 | 1054 #if (NGX_HAVE_PERL_MULTIPLICITY) |
1055 | |
3351
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1056 /* |
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1057 * the master exit hook is run before global pool cleanup, |
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1058 * therefore just set flag here |
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1059 */ |
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1060 |
2715 | 1061 ngx_perl_term = 1; |
1062 | |
1063 #else | |
3351
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1064 |
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1065 if (nginx_stash) { |
2715 | 1066 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cycle->log, 0, "perl term"); |
1067 | |
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1068 (void) perl_destruct(perl); |
2715 | 1069 |
3350
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1070 perl_free(perl); |
1946
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1071 |
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1072 PERL_SYS_TERM(); |
1946
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1073 } |
2715 | 1074 |
1075 #endif | |
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1076 } |