Mercurial > hg > nginx
annotate src/http/modules/perl/ngx_http_perl_module.c @ 2912:c7d57b539248
return NULL instead of NGX_CONF_ERROR on a create conf failure
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Tue, 02 Jun 2009 16:09:44 +0000 |
| parents | 8e720b7fe6d2 |
| children | f54b02dbb12b 8254055b6693 |
| 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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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); | |
| 1069 | 46 static PerlInterpreter *ngx_http_perl_create_interpreter(ngx_conf_t *cf, |
| 47 ngx_http_perl_main_conf_t *pmcf); | |
| 653 | 48 static ngx_int_t ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, |
| 649 | 49 ngx_log_t *log); |
| 599 | 50 static ngx_int_t ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, |
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51 HV *nginx, SV *sub, SV **args, ngx_str_t *handler, ngx_str_t *rv); |
| 599 | 52 static void ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv); |
| 53 | |
| 54 static ngx_int_t ngx_http_perl_preconfiguration(ngx_conf_t *cf); | |
| 55 static void *ngx_http_perl_create_main_conf(ngx_conf_t *cf); | |
| 56 static char *ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf); | |
| 57 static void *ngx_http_perl_create_loc_conf(ngx_conf_t *cf); | |
| 58 static char *ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, | |
| 59 void *child); | |
| 60 static char *ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 61 void *conf); | |
| 62 static char *ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
| 63 static char *ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
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64 |
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65 #if (NGX_HAVE_PERL_MULTIPLICITY) |
| 599 | 66 static void ngx_http_perl_cleanup_perl(void *data); |
| 649 | 67 #endif |
| 599 | 68 |
| 1257 | 69 static ngx_int_t ngx_http_perl_init_worker(ngx_cycle_t *cycle); |
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70 static void ngx_http_perl_exit(ngx_cycle_t *cycle); |
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71 |
| 599 | 72 |
| 73 static ngx_command_t ngx_http_perl_commands[] = { | |
| 74 | |
| 75 { ngx_string("perl_modules"), | |
| 76 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, | |
| 77 ngx_conf_set_str_slot, | |
| 78 NGX_HTTP_MAIN_CONF_OFFSET, | |
| 79 offsetof(ngx_http_perl_main_conf_t, modules), | |
| 80 NULL }, | |
| 81 | |
| 82 { ngx_string("perl_require"), | |
| 83 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, | |
| 84 ngx_http_perl_require, | |
| 85 NGX_HTTP_MAIN_CONF_OFFSET, | |
| 86 0, | |
| 87 NULL }, | |
| 88 | |
| 89 { ngx_string("perl"), | |
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90 NGX_HTTP_LOC_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1, |
| 599 | 91 ngx_http_perl, |
| 92 NGX_HTTP_LOC_CONF_OFFSET, | |
| 93 0, | |
| 94 NULL }, | |
| 95 | |
| 96 { ngx_string("perl_set"), | |
| 97 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE2, | |
| 98 ngx_http_perl_set, | |
| 99 NGX_HTTP_LOC_CONF_OFFSET, | |
| 100 0, | |
| 101 NULL }, | |
| 102 | |
| 103 ngx_null_command | |
| 104 }; | |
| 105 | |
| 106 | |
| 107 static ngx_http_module_t ngx_http_perl_module_ctx = { | |
| 108 ngx_http_perl_preconfiguration, /* preconfiguration */ | |
| 109 NULL, /* postconfiguration */ | |
| 110 | |
| 111 ngx_http_perl_create_main_conf, /* create main configuration */ | |
| 112 ngx_http_perl_init_main_conf, /* init main configuration */ | |
| 113 | |
| 114 NULL, /* create server configuration */ | |
| 115 NULL, /* merge server configuration */ | |
| 116 | |
| 117 ngx_http_perl_create_loc_conf, /* create location configuration */ | |
| 118 ngx_http_perl_merge_loc_conf /* merge location configuration */ | |
| 119 }; | |
| 120 | |
| 121 | |
| 122 ngx_module_t ngx_http_perl_module = { | |
| 123 NGX_MODULE_V1, | |
| 124 &ngx_http_perl_module_ctx, /* module context */ | |
| 125 ngx_http_perl_commands, /* module directives */ | |
| 126 NGX_HTTP_MODULE, /* module type */ | |
| 127 NULL, /* init master */ | |
| 128 NULL, /* init module */ | |
| 1257 | 129 ngx_http_perl_init_worker, /* init process */ |
| 599 | 130 NULL, /* init thread */ |
| 131 NULL, /* exit thread */ | |
| 132 NULL, /* exit process */ | |
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133 ngx_http_perl_exit, /* exit master */ |
| 599 | 134 NGX_MODULE_V1_PADDING |
| 135 }; | |
| 136 | |
| 137 | |
| 617 | 138 #if (NGX_HTTP_SSI) |
| 139 | |
| 599 | 140 #define NGX_HTTP_PERL_SSI_SUB 0 |
| 141 #define NGX_HTTP_PERL_SSI_ARG 1 | |
| 142 | |
| 143 | |
| 144 static ngx_http_ssi_param_t ngx_http_perl_ssi_params[] = { | |
| 145 { ngx_string("sub"), NGX_HTTP_PERL_SSI_SUB, 1, 0 }, | |
| 146 { ngx_string("arg"), NGX_HTTP_PERL_SSI_ARG, 0, 1 }, | |
| 147 { ngx_null_string, 0, 0, 0 } | |
| 148 }; | |
| 149 | |
| 150 static ngx_http_ssi_command_t ngx_http_perl_ssi_command = { | |
| 667 | 151 ngx_string("perl"), ngx_http_perl_ssi, ngx_http_perl_ssi_params, 0, 0, 1 |
| 599 | 152 }; |
| 153 | |
| 617 | 154 #endif |
| 155 | |
| 599 | 156 |
| 2715 | 157 static ngx_str_t ngx_null_name = ngx_null_string; |
| 158 | |
| 159 static HV *nginx_stash; | |
| 681 | 160 |
| 2715 | 161 #if (NGX_HAVE_PERL_MULTIPLICITY) |
| 162 static ngx_uint_t ngx_perl_term; | |
| 163 #endif | |
| 681 | 164 |
| 633 | 165 |
| 599 | 166 static void |
| 167 ngx_http_perl_xs_init(pTHX) | |
| 168 { | |
| 169 newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, __FILE__); | |
| 633 | 170 |
| 171 nginx_stash = gv_stashpv("nginx", TRUE); | |
| 599 | 172 } |
| 173 | |
| 174 | |
| 175 static ngx_int_t | |
| 176 ngx_http_perl_handler(ngx_http_request_t *r) | |
| 177 { | |
| 629 | 178 if (r->zero_in_uri) { |
| 179 return NGX_HTTP_NOT_FOUND; | |
| 180 } | |
| 181 | |
| 681 | 182 ngx_http_perl_handle_request(r); |
| 183 | |
| 184 return NGX_DONE; | |
| 629 | 185 } |
| 186 | |
| 187 | |
| 681 | 188 void |
| 629 | 189 ngx_http_perl_handle_request(ngx_http_request_t *r) |
| 190 { | |
| 681 | 191 SV *sub; |
| 599 | 192 ngx_int_t rc; |
| 681 | 193 ngx_str_t uri, args, *handler; |
| 599 | 194 ngx_http_perl_ctx_t *ctx; |
| 195 ngx_http_perl_loc_conf_t *plcf; | |
| 196 ngx_http_perl_main_conf_t *pmcf; | |
| 197 | |
| 198 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl handler"); | |
| 199 | |
| 200 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
| 201 | |
| 202 if (ctx == NULL) { | |
| 203 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
| 204 if (ctx == NULL) { | |
| 681 | 205 ngx_http_finalize_request(r, NGX_ERROR); |
| 1025 | 206 return; |
| 599 | 207 } |
| 208 | |
| 209 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
| 210 } | |
| 211 | |
| 212 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); | |
| 213 | |
| 214 { | |
| 215 | |
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216 dTHXa(pmcf->perl); |
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217 PERL_SET_CONTEXT(pmcf->perl); |
| 599 | 218 |
| 681 | 219 if (ctx->next == NULL) { |
| 220 plcf = ngx_http_get_module_loc_conf(r, ngx_http_perl_module); | |
| 221 sub = plcf->sub; | |
| 222 handler = &plcf->handler; | |
| 599 | 223 |
| 681 | 224 } else { |
| 225 sub = ctx->next; | |
| 226 handler = &ngx_null_name; | |
| 227 ctx->next = NULL; | |
| 228 } | |
| 229 | |
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230 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sub, NULL, handler, |
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231 NULL); |
| 599 | 232 |
| 233 } | |
| 234 | |
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235 if (rc == NGX_DONE) { |
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236 return; |
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237 } |
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238 |
| 599 | 239 if (rc > 600) { |
| 240 rc = NGX_OK; | |
| 241 } | |
| 242 | |
| 243 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 244 "perl handler done: %i", rc); | |
| 245 | |
| 246 if (ctx->redirect_uri.len) { | |
| 247 uri = ctx->redirect_uri; | |
| 248 args = ctx->redirect_args; | |
| 629 | 249 |
| 250 } else { | |
| 251 uri.len = 0; | |
| 599 | 252 } |
| 253 | |
| 633 | 254 ctx->filename.data = NULL; |
| 599 | 255 ctx->redirect_uri.len = 0; |
| 256 | |
| 681 | 257 if (ctx->done || ctx->next) { |
| 258 return; | |
| 259 } | |
| 260 | |
| 599 | 261 if (uri.len) { |
| 629 | 262 ngx_http_internal_redirect(r, &uri, &args); |
| 263 return; | |
| 599 | 264 } |
| 265 | |
| 266 if (rc == NGX_OK || rc == NGX_HTTP_OK) { | |
| 629 | 267 ngx_http_send_special(r, NGX_HTTP_LAST); |
| 681 | 268 ctx->done = 1; |
| 599 | 269 } |
| 270 | |
| 629 | 271 ngx_http_finalize_request(r, rc); |
| 599 | 272 } |
| 273 | |
| 274 | |
| 1897 | 275 void |
| 911 | 276 ngx_http_perl_sleep_handler(ngx_http_request_t *r) |
| 277 { | |
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278 ngx_event_t *wev; |
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279 |
| 911 | 280 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 281 "perl sleep handler"); | |
| 282 | |
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283 wev = r->connection->write; |
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284 |
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285 if (wev->timedout) { |
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286 wev->timedout = 0; |
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287 ngx_http_perl_handle_request(r); |
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288 return; |
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289 } |
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290 |
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291 if (ngx_handle_write_event(wev, 0) != NGX_OK) { |
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292 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
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293 } |
| 911 | 294 } |
| 295 | |
| 296 | |
| 599 | 297 static ngx_int_t |
| 298 ngx_http_perl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 299 uintptr_t data) | |
| 300 { | |
| 301 ngx_http_perl_variable_t *pv = (ngx_http_perl_variable_t *) data; | |
| 302 | |
| 303 ngx_int_t rc; | |
| 304 ngx_str_t value; | |
| 305 ngx_http_perl_ctx_t *ctx; | |
| 306 ngx_http_perl_main_conf_t *pmcf; | |
| 307 | |
| 308 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 309 "perl variable handler"); | |
| 310 | |
| 311 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
| 312 | |
| 313 if (ctx == NULL) { | |
| 314 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
| 315 if (ctx == NULL) { | |
| 316 return NGX_ERROR; | |
| 317 } | |
| 318 | |
| 319 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
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320 } |
| 599 | 321 |
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322 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); |
| 599 | 323 |
| 324 value.data = NULL; | |
| 325 | |
| 326 { | |
| 327 | |
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328 dTHXa(pmcf->perl); |
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329 PERL_SET_CONTEXT(pmcf->perl); |
| 599 | 330 |
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331 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, pv->sub, NULL, |
| 599 | 332 &pv->handler, &value); |
| 333 | |
| 334 } | |
| 335 | |
| 336 if (value.data) { | |
| 337 v->len = value.len; | |
| 338 v->valid = 1; | |
| 1565 | 339 v->no_cacheable = 0; |
| 599 | 340 v->not_found = 0; |
| 341 v->data = value.data; | |
| 342 | |
| 343 } else { | |
| 344 v->not_found = 1; | |
| 345 } | |
| 346 | |
| 633 | 347 ctx->filename.data = NULL; |
| 599 | 348 ctx->redirect_uri.len = 0; |
| 349 | |
| 871 | 350 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 351 "perl variable done"); | |
| 352 | |
| 599 | 353 return rc; |
| 354 } | |
| 355 | |
| 356 | |
| 617 | 357 #if (NGX_HTTP_SSI) |
| 358 | |
| 599 | 359 static ngx_int_t |
| 360 ngx_http_perl_ssi(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ssi_ctx, | |
| 361 ngx_str_t **params) | |
| 362 { | |
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363 SV *sv, **asv; |
| 599 | 364 ngx_int_t rc; |
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365 ngx_str_t *handler, **args; |
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366 ngx_uint_t i; |
| 599 | 367 ngx_http_perl_ctx_t *ctx; |
| 368 ngx_http_perl_main_conf_t *pmcf; | |
| 369 | |
| 370 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 371 "perl ssi handler"); | |
| 372 | |
| 373 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
| 374 | |
| 375 if (ctx == NULL) { | |
| 376 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
| 377 if (ctx == NULL) { | |
| 378 return NGX_ERROR; | |
| 379 } | |
| 380 | |
| 381 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
| 382 } | |
| 383 | |
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Igor Sysoev <igor@sysoev.ru>
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384 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); |
| 599 | 385 |
| 386 ctx->ssi = ssi_ctx; | |
| 387 | |
| 388 handler = params[NGX_HTTP_PERL_SSI_SUB]; | |
| 389 handler->data[handler->len] = '\0'; | |
| 390 | |
| 391 { | |
| 392 | |
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393 dTHXa(pmcf->perl); |
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394 PERL_SET_CONTEXT(pmcf->perl); |
| 599 | 395 |
| 651 | 396 #if 0 |
| 397 | |
| 398 /* the code is disabled to force the precompiled perl code using only */ | |
| 399 | |
| 400 ngx_http_perl_eval_anon_sub(aTHX_ handler, &sv); | |
| 401 | |
| 402 if (sv == &PL_sv_undef) { | |
| 403 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 404 "eval_pv(\"%V\") failed", handler); | |
| 405 return NGX_ERROR; | |
| 406 } | |
| 407 | |
| 408 if (sv == NULL) { | |
| 409 sv = newSVpvn((char *) handler->data, handler->len); | |
| 410 } | |
| 411 | |
| 412 #endif | |
| 413 | |
| 599 | 414 sv = newSVpvn((char *) handler->data, handler->len); |
| 415 | |
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416 args = ¶ms[NGX_HTTP_PERL_SSI_ARG]; |
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417 |
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418 if (args) { |
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419 |
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420 for (i = 0; args[i]; i++) { /* void */ } |
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421 |
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422 asv = ngx_pcalloc(r->pool, (i + 1) * sizeof(SV *)); |
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423 |
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424 if (asv == NULL) { |
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425 SvREFCNT_dec(sv); |
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426 return NGX_ERROR; |
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427 } |
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428 |
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429 asv[0] = (SV *) i; |
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430 |
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431 for (i = 0; args[i]; i++) { |
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432 asv[i + 1] = newSVpvn((char *) args[i]->data, args[i]->len); |
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433 } |
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434 |
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435 } else { |
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436 asv = NULL; |
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437 } |
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438 |
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439 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sv, asv, handler, |
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440 NULL); |
| 599 | 441 |
| 442 SvREFCNT_dec(sv); | |
| 443 | |
| 444 } | |
| 445 | |
| 633 | 446 ctx->filename.data = NULL; |
| 599 | 447 ctx->redirect_uri.len = 0; |
| 448 ctx->ssi = NULL; | |
| 449 | |
| 871 | 450 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl ssi done"); |
| 451 | |
| 599 | 452 return rc; |
| 453 } | |
| 454 | |
| 617 | 455 #endif |
| 456 | |
| 599 | 457 |
| 458 static char * | |
| 459 ngx_http_perl_init_interpreter(ngx_conf_t *cf, ngx_http_perl_main_conf_t *pmcf) | |
| 460 { | |
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461 #if (NGX_HAVE_PERL_MULTIPLICITY) |
| 653 | 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 #else |
| 470 static PerlInterpreter *perl; | |
| 471 #endif | |
| 472 | |
| 599 | 473 #ifdef NGX_PERL_MODULES |
| 474 if (pmcf->modules.data == NULL) { | |
| 475 pmcf->modules.data = NGX_PERL_MODULES; | |
| 476 } | |
| 477 #endif | |
| 478 | |
| 639 | 479 if (pmcf->modules.data) { |
| 1352 | 480 if (ngx_conf_full_name(cf->cycle, &pmcf->modules, 0) != NGX_OK) { |
| 639 | 481 return NGX_CONF_ERROR; |
| 482 } | |
| 629 | 483 } |
| 484 | |
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485 #if !(NGX_HAVE_PERL_MULTIPLICITY) |
| 649 | 486 |
| 487 if (perl) { | |
| 1165 | 488 |
| 489 if (ngx_set_environment(cf->cycle, NULL) == NULL) { | |
| 490 return NGX_CONF_ERROR; | |
| 491 } | |
| 492 | |
| 653 | 493 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, cf->log) |
| 494 != NGX_OK) | |
| 495 { | |
| 649 | 496 return NGX_CONF_ERROR; |
| 497 } | |
| 498 | |
| 499 pmcf->perl = perl; | |
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500 pmcf->nginx = nginx_stash; |
| 649 | 501 |
| 502 return NGX_CONF_OK; | |
| 503 } | |
| 504 | |
| 505 #endif | |
| 506 | |
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507 if (nginx_stash == NULL) { |
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508 PERL_SYS_INIT(&ngx_argc, &ngx_argv); |
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509 } |
| 599 | 510 |
| 1069 | 511 pmcf->perl = ngx_http_perl_create_interpreter(cf, pmcf); |
| 599 | 512 |
| 513 if (pmcf->perl == NULL) { | |
| 514 return NGX_CONF_ERROR; | |
| 515 } | |
| 516 | |
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517 pmcf->nginx = nginx_stash; |
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518 |
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519 #if (NGX_HAVE_PERL_MULTIPLICITY) |
| 649 | 520 |
| 599 | 521 cln->handler = ngx_http_perl_cleanup_perl; |
| 522 cln->data = pmcf->perl; | |
| 523 | |
| 649 | 524 #else |
| 525 | |
| 526 perl = pmcf->perl; | |
| 527 | |
| 528 #endif | |
| 529 | |
| 599 | 530 return NGX_CONF_OK; |
| 531 } | |
| 532 | |
| 533 | |
| 534 static PerlInterpreter * | |
| 1069 | 535 ngx_http_perl_create_interpreter(ngx_conf_t *cf, |
| 536 ngx_http_perl_main_conf_t *pmcf) | |
| 599 | 537 { |
| 538 int n; | |
| 775 | 539 STRLEN len; |
| 540 SV *sv; | |
| 541 char *ver, *embedding[6]; | |
| 599 | 542 PerlInterpreter *perl; |
| 543 | |
| 1069 | 544 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cf->log, 0, "create perl interpreter"); |
| 545 | |
| 546 if (ngx_set_environment(cf->cycle, NULL) == NULL) { | |
| 547 return NULL; | |
| 548 } | |
| 599 | 549 |
| 550 perl = perl_alloc(); | |
| 551 if (perl == NULL) { | |
| 1069 | 552 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "perl_alloc() failed"); |
| 599 | 553 return NULL; |
| 554 } | |
| 555 | |
| 556 { | |
| 557 | |
| 558 dTHXa(perl); | |
|
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559 PERL_SET_CONTEXT(perl); |
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560 |
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561 perl_construct(perl); |
| 599 | 562 |
| 563 #ifdef PERL_EXIT_DESTRUCT_END | |
| 564 PL_exit_flags |= PERL_EXIT_DESTRUCT_END; | |
| 565 #endif | |
| 566 | |
| 567 embedding[0] = ""; | |
| 568 | |
| 569 if (pmcf->modules.data) { | |
| 570 embedding[1] = "-I"; | |
| 571 embedding[2] = (char *) pmcf->modules.data; | |
| 572 n = 3; | |
| 573 | |
| 574 } else { | |
| 575 n = 1; | |
| 576 } | |
| 577 | |
| 578 embedding[n++] = "-Mnginx"; | |
| 579 embedding[n++] = "-e"; | |
| 580 embedding[n++] = "0"; | |
| 581 | |
| 582 n = perl_parse(perl, ngx_http_perl_xs_init, n, embedding, NULL); | |
| 583 | |
| 584 if (n != 0) { | |
| 1069 | 585 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "perl_parse() failed: %d", n); |
| 599 | 586 goto fail; |
| 587 } | |
| 588 | |
| 775 | 589 sv = get_sv("nginx::VERSION", FALSE); |
| 590 ver = SvPV(sv, len); | |
| 591 | |
| 592 if (ngx_strcmp(ver, NGINX_VERSION) != 0) { | |
| 1069 | 593 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, |
| 775 | 594 "version " NGINX_VERSION " of nginx.pm is required, " |
| 595 "but %s was found", ver); | |
| 596 goto fail; | |
| 597 } | |
| 598 | |
| 1069 | 599 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, cf->log) != NGX_OK) { |
| 649 | 600 goto fail; |
| 599 | 601 } |
| 602 | |
| 603 } | |
| 604 | |
| 605 return perl; | |
| 606 | |
| 607 fail: | |
| 608 | |
| 609 (void) perl_destruct(perl); | |
| 610 | |
| 611 perl_free(perl); | |
| 612 | |
| 613 return NULL; | |
| 614 } | |
| 615 | |
| 616 | |
| 649 | 617 static ngx_int_t |
| 653 | 618 ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, ngx_log_t *log) |
| 649 | 619 { |
| 620 char **script; | |
| 621 STRLEN len; | |
| 622 ngx_str_t err; | |
| 623 ngx_uint_t i; | |
| 624 | |
| 625 script = requires->elts; | |
| 626 for (i = 0; i < requires->nelts; i++) { | |
| 627 | |
| 628 require_pv(script[i]); | |
| 629 | |
| 630 if (SvTRUE(ERRSV)) { | |
| 631 | |
| 632 err.data = (u_char *) SvPV(ERRSV, len); | |
| 633 for (len--; err.data[len] == LF || err.data[len] == CR; len--) { | |
| 634 /* void */ | |
| 635 } | |
| 636 err.len = len + 1; | |
| 637 | |
| 638 ngx_log_error(NGX_LOG_EMERG, log, 0, | |
| 639 "require_pv(\"%s\") failed: \"%V\"", script[i], &err); | |
| 640 | |
| 641 return NGX_ERROR; | |
| 642 } | |
| 643 } | |
| 644 | |
| 645 return NGX_OK; | |
| 646 } | |
| 647 | |
| 648 | |
| 599 | 649 static ngx_int_t |
|
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650 ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, HV *nginx, SV *sub, |
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651 SV **args, ngx_str_t *handler, ngx_str_t *rv) |
| 599 | 652 { |
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653 SV *sv; |
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|
654 int n, status; |
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655 char *line; |
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656 STRLEN len, n_a; |
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657 ngx_str_t err; |
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658 ngx_uint_t i; |
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659 ngx_connection_t *c; |
| 599 | 660 |
| 661 dSP; | |
| 662 | |
| 663 status = 0; | |
| 664 | |
| 665 ENTER; | |
| 666 SAVETMPS; | |
| 667 | |
| 668 PUSHMARK(sp); | |
| 669 | |
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670 sv = sv_2mortal(sv_bless(newRV_noinc(newSViv(PTR2IV(r))), nginx)); |
| 599 | 671 XPUSHs(sv); |
| 672 | |
| 673 if (args) { | |
|
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Igor Sysoev <igor@sysoev.ru>
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|
674 EXTEND(sp, (intptr_t) args[0]); |
| 599 | 675 |
|
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676 for (i = 1; i <= (ngx_uint_t) args[0]; i++) { |
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677 PUSHs(sv_2mortal(args[i])); |
| 599 | 678 } |
| 679 } | |
| 680 | |
| 681 PUTBACK; | |
| 682 | |
|
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683 c = r->connection; |
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changeset
|
684 |
| 599 | 685 n = call_sv(sub, G_EVAL); |
| 686 | |
| 687 SPAGAIN; | |
| 688 | |
|
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689 if (c->destroyed) { |
|
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690 PUTBACK; |
|
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|
691 |
|
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692 FREETMPS; |
|
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693 LEAVE; |
|
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|
694 |
|
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695 return NGX_DONE; |
|
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696 } |
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|
697 |
| 599 | 698 if (n) { |
| 699 if (rv == NULL) { | |
| 700 status = POPi; | |
| 701 | |
|
1702
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|
702 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
| 599 | 703 "call_sv: %d", status); |
| 704 | |
| 705 } else { | |
| 619 | 706 line = SvPVx(POPs, n_a); |
| 599 | 707 rv->len = n_a; |
| 708 | |
| 2049 | 709 rv->data = ngx_pnalloc(r->pool, n_a); |
| 599 | 710 if (rv->data == NULL) { |
| 711 return NGX_ERROR; | |
| 712 } | |
| 713 | |
| 714 ngx_memcpy(rv->data, line, n_a); | |
| 715 } | |
| 716 } | |
| 717 | |
| 718 PUTBACK; | |
| 719 | |
| 720 FREETMPS; | |
| 721 LEAVE; | |
| 722 | |
| 723 /* check $@ */ | |
| 724 | |
| 725 if (SvTRUE(ERRSV)) { | |
| 726 | |
| 727 err.data = (u_char *) SvPV(ERRSV, len); | |
| 728 for (len--; err.data[len] == LF || err.data[len] == CR; len--) { | |
| 729 /* void */ | |
| 730 } | |
| 731 err.len = len + 1; | |
| 732 | |
|
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changeset
|
733 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
|
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changeset
|
734 "call_sv(\"%V\") failed: \"%V\"", handler, &err); |
| 599 | 735 |
| 736 if (rv) { | |
| 737 return NGX_ERROR; | |
| 738 } | |
| 739 | |
| 740 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 741 } | |
| 742 | |
| 743 if (n != 1) { | |
|
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|
744 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
| 599 | 745 "call_sv(\"%V\") returned %d results", handler, n); |
| 746 status = NGX_OK; | |
| 747 } | |
| 748 | |
| 749 if (rv) { | |
| 750 return NGX_OK; | |
| 751 } | |
| 752 | |
| 753 return (ngx_int_t) status; | |
| 754 } | |
| 755 | |
| 756 | |
| 757 static void | |
| 758 ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv) | |
| 759 { | |
| 623 | 760 u_char *p; |
| 761 | |
| 762 for (p = handler->data; *p; p++) { | |
| 763 if (*p != ' ' && *p != '\t' && *p != CR && *p != LF) { | |
| 764 break; | |
| 765 } | |
| 766 } | |
| 767 | |
| 649 | 768 if (ngx_strncmp(p, "sub ", 4) == 0 || ngx_strncmp(p, "use ", 4) == 0) { |
| 623 | 769 *sv = eval_pv((char *) p, FALSE); |
| 874 | 770 |
| 771 /* eval_pv() does not set ERRSV on failure */ | |
| 772 | |
| 599 | 773 return; |
| 774 } | |
| 775 | |
| 776 *sv = NULL; | |
| 777 } | |
| 778 | |
| 779 | |
| 780 static void * | |
| 781 ngx_http_perl_create_main_conf(ngx_conf_t *cf) | |
| 782 { | |
| 783 ngx_http_perl_main_conf_t *pmcf; | |
| 784 | |
| 785 pmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_main_conf_t)); | |
| 786 if (pmcf == NULL) { | |
|
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|
787 return NULL; |
| 599 | 788 } |
| 789 | |
| 790 if (ngx_array_init(&pmcf->requires, cf->pool, 1, sizeof(u_char *)) | |
| 791 != NGX_OK) | |
| 792 { | |
| 793 return NULL; | |
| 794 } | |
| 795 | |
| 796 return pmcf; | |
| 797 } | |
| 798 | |
| 799 | |
| 800 static char * | |
| 801 ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf) | |
| 802 { | |
| 803 ngx_http_perl_main_conf_t *pmcf = conf; | |
| 804 | |
| 805 if (pmcf->perl == NULL) { | |
| 806 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
| 807 return NGX_CONF_ERROR; | |
| 808 } | |
| 809 } | |
| 810 | |
| 811 return NGX_CONF_OK; | |
| 812 } | |
| 813 | |
| 814 | |
|
872
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Axe several perl interpreter instances: they may be useful in currently
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parents:
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diff
changeset
|
815 #if (NGX_HAVE_PERL_MULTIPLICITY) |
| 649 | 816 |
| 599 | 817 static void |
| 818 ngx_http_perl_cleanup_perl(void *data) | |
| 819 { | |
| 649 | 820 PerlInterpreter *perl = data; |
| 599 | 821 |
|
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|
822 PERL_SET_CONTEXT(perl); |
|
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|
823 |
| 599 | 824 (void) perl_destruct(perl); |
| 825 | |
| 826 perl_free(perl); | |
| 2715 | 827 |
| 828 if (ngx_perl_term) { | |
| 829 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0, "perl term"); | |
| 830 | |
| 831 PERL_SYS_TERM(); | |
| 832 } | |
| 599 | 833 } |
| 834 | |
| 649 | 835 #endif |
| 836 | |
| 837 | |
| 599 | 838 static ngx_int_t |
| 839 ngx_http_perl_preconfiguration(ngx_conf_t *cf) | |
| 840 { | |
| 617 | 841 #if (NGX_HTTP_SSI) |
| 599 | 842 ngx_int_t rc; |
| 843 ngx_http_ssi_main_conf_t *smcf; | |
| 844 | |
| 845 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module); | |
| 846 | |
| 847 rc = ngx_hash_add_key(&smcf->commands, &ngx_http_perl_ssi_command.name, | |
| 848 &ngx_http_perl_ssi_command, NGX_HASH_READONLY_KEY); | |
| 849 | |
| 850 if (rc != NGX_OK) { | |
| 851 if (rc == NGX_BUSY) { | |
| 852 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 853 "conflicting SSI command \"%V\"", | |
| 854 &ngx_http_perl_ssi_command.name); | |
| 855 } | |
| 856 | |
| 857 return NGX_ERROR; | |
| 858 } | |
| 617 | 859 #endif |
| 599 | 860 |
| 861 return NGX_OK; | |
| 862 } | |
| 863 | |
| 864 | |
| 865 static void * | |
| 866 ngx_http_perl_create_loc_conf(ngx_conf_t *cf) | |
| 867 { | |
| 868 ngx_http_perl_loc_conf_t *plcf; | |
| 869 | |
| 870 plcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_loc_conf_t)); | |
| 871 if (plcf == NULL) { | |
|
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parents:
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diff
changeset
|
872 return NULL; |
| 599 | 873 } |
| 874 | |
| 875 /* | |
| 876 * set by ngx_pcalloc(): | |
| 877 * | |
| 878 * plcf->handler = { 0, NULL }; | |
| 879 */ | |
| 880 | |
| 881 return plcf; | |
| 882 } | |
| 883 | |
| 884 | |
| 885 static char * | |
| 886 ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 887 { | |
| 888 ngx_http_perl_loc_conf_t *prev = parent; | |
| 889 ngx_http_perl_loc_conf_t *conf = child; | |
| 890 | |
| 891 if (conf->sub == NULL) { | |
| 892 conf->sub = prev->sub; | |
| 893 conf->handler = prev->handler; | |
| 894 } | |
| 895 | |
| 896 return NGX_CONF_OK; | |
| 897 } | |
| 898 | |
| 899 | |
| 900 static char * | |
| 901 ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 902 { | |
| 903 ngx_http_perl_main_conf_t *pmcf = conf; | |
| 904 | |
| 905 u_char **p; | |
| 906 ngx_str_t *value; | |
| 907 | |
| 908 value = cf->args->elts; | |
| 909 | |
| 910 p = ngx_array_push(&pmcf->requires); | |
| 911 | |
| 912 if (p == NULL) { | |
| 913 return NGX_CONF_ERROR; | |
| 914 } | |
| 915 | |
| 916 *p = value[1].data; | |
| 917 | |
| 918 return NGX_CONF_OK; | |
| 919 } | |
| 920 | |
| 921 | |
| 922 static char * | |
| 923 ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 924 { | |
| 925 ngx_http_perl_loc_conf_t *plcf = conf; | |
| 926 | |
| 927 ngx_str_t *value; | |
| 928 ngx_http_core_loc_conf_t *clcf; | |
| 929 ngx_http_perl_main_conf_t *pmcf; | |
| 930 | |
| 931 value = cf->args->elts; | |
| 932 | |
| 933 if (plcf->handler.data) { | |
| 934 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 935 "duplicate perl handler \"%V\"", &value[1]); | |
| 936 return NGX_CONF_ERROR; | |
| 937 } | |
| 938 | |
| 939 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
| 940 | |
| 941 if (pmcf->perl == NULL) { | |
| 942 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
| 943 return NGX_CONF_ERROR; | |
| 944 } | |
| 945 } | |
| 946 | |
| 947 plcf->handler = value[1]; | |
| 948 | |
| 949 { | |
| 950 | |
| 951 dTHXa(pmcf->perl); | |
|
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|
952 PERL_SET_CONTEXT(pmcf->perl); |
| 599 | 953 |
| 954 ngx_http_perl_eval_anon_sub(aTHX_ &value[1], &plcf->sub); | |
| 955 | |
| 956 if (plcf->sub == &PL_sv_undef) { | |
| 957 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
| 958 "eval_pv(\"%V\") failed", &value[1]); | |
| 959 return NGX_CONF_ERROR; | |
| 960 } | |
| 961 | |
| 962 if (plcf->sub == NULL) { | |
| 963 plcf->sub = newSVpvn((char *) value[1].data, value[1].len); | |
| 964 } | |
| 965 | |
| 966 } | |
| 967 | |
| 968 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
| 969 clcf->handler = ngx_http_perl_handler; | |
| 970 | |
| 971 return NGX_CONF_OK; | |
| 972 } | |
| 973 | |
| 974 | |
| 975 static char * | |
| 976 ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 977 { | |
| 978 ngx_int_t index; | |
| 979 ngx_str_t *value; | |
| 980 ngx_http_variable_t *v; | |
| 981 ngx_http_perl_variable_t *pv; | |
| 982 ngx_http_perl_main_conf_t *pmcf; | |
| 983 | |
| 984 value = cf->args->elts; | |
| 985 | |
| 986 if (value[1].data[0] != '$') { | |
| 987 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 988 "invalid variable name \"%V\"", &value[1]); | |
| 989 return NGX_CONF_ERROR; | |
| 990 } | |
| 991 | |
| 992 value[1].len--; | |
| 993 value[1].data++; | |
| 994 | |
| 1565 | 995 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGEABLE); |
| 599 | 996 if (v == NULL) { |
| 997 return NGX_CONF_ERROR; | |
| 998 } | |
| 999 | |
| 1000 pv = ngx_palloc(cf->pool, sizeof(ngx_http_perl_variable_t)); | |
| 1001 if (pv == NULL) { | |
| 1002 return NGX_CONF_ERROR; | |
| 1003 } | |
| 1004 | |
| 1005 index = ngx_http_get_variable_index(cf, &value[1]); | |
| 1006 if (index == NGX_ERROR) { | |
| 1007 return NGX_CONF_ERROR; | |
| 1008 } | |
| 1009 | |
| 1010 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
| 1011 | |
| 1012 if (pmcf->perl == NULL) { | |
| 1013 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
| 1014 return NGX_CONF_ERROR; | |
| 1015 } | |
| 1016 } | |
| 1017 | |
| 1018 pv->handler = value[2]; | |
| 1019 | |
| 1020 { | |
| 1021 | |
| 1022 dTHXa(pmcf->perl); | |
|
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diff
changeset
|
1023 PERL_SET_CONTEXT(pmcf->perl); |
| 599 | 1024 |
| 1025 ngx_http_perl_eval_anon_sub(aTHX_ &value[2], &pv->sub); | |
| 1026 | |
| 1027 if (pv->sub == &PL_sv_undef) { | |
| 1028 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
| 1029 "eval_pv(\"%V\") failed", &value[2]); | |
| 1030 return NGX_CONF_ERROR; | |
| 1031 } | |
| 1032 | |
| 1033 if (pv->sub == NULL) { | |
| 1034 pv->sub = newSVpvn((char *) value[2].data, value[2].len); | |
| 1035 } | |
| 1036 | |
| 1037 } | |
| 1038 | |
| 637 | 1039 v->get_handler = ngx_http_perl_variable; |
| 599 | 1040 v->data = (uintptr_t) pv; |
| 1041 | |
| 1042 return NGX_CONF_OK; | |
| 1043 } | |
|
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diff
changeset
|
1044 |
|
aa653367028e
PERL_SYS_TERM() should be called once on exit only, this fixes the message
Igor Sysoev <igor@sysoev.ru>
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1165
diff
changeset
|
1045 |
| 1257 | 1046 static ngx_int_t |
| 1047 ngx_http_perl_init_worker(ngx_cycle_t *cycle) | |
| 1048 { | |
|
1258
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diff
changeset
|
1049 ngx_http_perl_main_conf_t *pmcf; |
|
5076d97b9cf0
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parents:
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diff
changeset
|
1050 |
|
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changeset
|
1051 pmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_perl_module); |
|
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changeset
|
1052 |
|
2713
b4d8aef4a1ad
fix segfault if no http section is defined in confguraiton,
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1053 if (pmcf) { |
|
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diff
changeset
|
1054 dTHXa(pmcf->perl); |
|
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diff
changeset
|
1055 PERL_SET_CONTEXT(pmcf->perl); |
|
1258
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changeset
|
1056 |
|
2713
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parents:
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diff
changeset
|
1057 /* set worker's $$ */ |
| 1257 | 1058 |
|
2713
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fix segfault if no http section is defined in confguraiton,
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changeset
|
1059 sv_setiv(GvSV(gv_fetchpv("$", TRUE, SVt_PV)), (I32) ngx_pid); |
|
1258
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Igor Sysoev <igor@sysoev.ru>
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changeset
|
1060 } |
|
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changeset
|
1061 |
| 1257 | 1062 return NGX_OK; |
| 1063 } | |
| 1064 | |
| 1941 | 1065 |
|
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changeset
|
1066 static void |
|
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changeset
|
1067 ngx_http_perl_exit(ngx_cycle_t *cycle) |
|
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diff
changeset
|
1068 { |
| 2715 | 1069 #if (NGX_HAVE_PERL_MULTIPLICITY) |
| 1070 | |
| 1071 ngx_perl_term = 1; | |
| 1072 | |
| 1073 #else | |
|
1946
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Igor Sysoev <igor@sysoev.ru>
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changeset
|
1074 ngx_http_perl_main_conf_t *pmcf; |
|
171a283af56b
some perl builds require my_perl for PERL_SYS_TERM()
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changeset
|
1075 |
|
171a283af56b
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|
1076 pmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_perl_module); |
|
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|
1077 |
| 2715 | 1078 if (pmcf && nginx_stash) { |
| 1079 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cycle->log, 0, "perl term"); | |
| 1080 | |
| 1081 (void) perl_destruct(pmcf->perl); | |
| 1082 | |
| 1083 perl_free(pmcf->perl); | |
|
1946
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|
1084 |
|
2714
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|
1085 PERL_SYS_TERM(); |
|
1946
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|
1086 } |
| 2715 | 1087 |
| 1088 #endif | |
|
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|
1089 } |