Mercurial > hg > nginx
annotate src/http/modules/perl/ngx_http_perl_module.c @ 908:82adc19b4b4d
axe ngx_http_perl_cleanup_sv(): all SVs should be freed
by perl_free() in ngx_http_perl_cleanup_perl()
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Tue, 12 Dec 2006 20:06:04 +0000 |
| parents | 98afa13ea7e5 |
| children | 73c66ed9a9cd |
| 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; | |
|
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
15 HV *nginx; |
| 599 | 16 ngx_str_t modules; |
| 17 ngx_array_t requires; | |
| 18 } ngx_http_perl_main_conf_t; | |
| 19 | |
| 20 | |
| 21 typedef struct { | |
| 22 SV *sub; | |
| 23 ngx_str_t handler; | |
| 24 } ngx_http_perl_loc_conf_t; | |
| 25 | |
| 26 | |
| 27 typedef struct { | |
| 28 SV *sub; | |
| 29 ngx_str_t handler; | |
| 30 } ngx_http_perl_variable_t; | |
| 31 | |
| 32 | |
| 653 | 33 typedef struct { |
| 34 SV *sv; | |
| 35 PerlInterpreter *perl; | |
| 36 } ngx_http_perl_cleanup_t; | |
| 37 | |
| 38 | |
| 617 | 39 #if (NGX_HTTP_SSI) |
| 599 | 40 static ngx_int_t ngx_http_perl_ssi(ngx_http_request_t *r, |
| 41 ngx_http_ssi_ctx_t *ssi_ctx, ngx_str_t **params); | |
| 617 | 42 #endif |
| 43 | |
| 599 | 44 static char *ngx_http_perl_init_interpreter(ngx_conf_t *cf, |
| 45 ngx_http_perl_main_conf_t *pmcf); | |
| 46 static PerlInterpreter * | |
| 47 ngx_http_perl_create_interpreter(ngx_http_perl_main_conf_t *pmcf, | |
| 48 ngx_log_t *log); | |
| 653 | 49 static ngx_int_t ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, |
| 649 | 50 ngx_log_t *log); |
| 599 | 51 static ngx_int_t ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, |
|
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
52 HV *nginx, SV *sub, ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv); |
| 599 | 53 static void ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv); |
| 54 | |
| 55 static ngx_int_t ngx_http_perl_preconfiguration(ngx_conf_t *cf); | |
| 56 static void *ngx_http_perl_create_main_conf(ngx_conf_t *cf); | |
| 57 static char *ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf); | |
| 58 static void *ngx_http_perl_create_loc_conf(ngx_conf_t *cf); | |
| 59 static char *ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, | |
| 60 void *child); | |
| 61 static char *ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 62 void *conf); | |
| 63 static char *ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
| 64 static char *ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
|
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
65 |
|
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
66 #if (NGX_HAVE_PERL_MULTIPLICITY) |
| 599 | 67 static void ngx_http_perl_cleanup_perl(void *data); |
| 649 | 68 #endif |
| 599 | 69 |
| 70 | |
| 71 static ngx_command_t ngx_http_perl_commands[] = { | |
| 72 | |
| 73 { ngx_string("perl_modules"), | |
| 74 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, | |
| 75 ngx_conf_set_str_slot, | |
| 76 NGX_HTTP_MAIN_CONF_OFFSET, | |
| 77 offsetof(ngx_http_perl_main_conf_t, modules), | |
| 78 NULL }, | |
| 79 | |
| 80 { ngx_string("perl_require"), | |
| 81 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, | |
| 82 ngx_http_perl_require, | |
| 83 NGX_HTTP_MAIN_CONF_OFFSET, | |
| 84 0, | |
| 85 NULL }, | |
| 86 | |
| 87 { ngx_string("perl"), | |
| 88 NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 89 ngx_http_perl, | |
| 90 NGX_HTTP_LOC_CONF_OFFSET, | |
| 91 0, | |
| 92 NULL }, | |
| 93 | |
| 94 { ngx_string("perl_set"), | |
| 95 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE2, | |
| 96 ngx_http_perl_set, | |
| 97 NGX_HTTP_LOC_CONF_OFFSET, | |
| 98 0, | |
| 99 NULL }, | |
| 100 | |
| 101 ngx_null_command | |
| 102 }; | |
| 103 | |
| 104 | |
| 105 static ngx_http_module_t ngx_http_perl_module_ctx = { | |
| 106 ngx_http_perl_preconfiguration, /* preconfiguration */ | |
| 107 NULL, /* postconfiguration */ | |
| 108 | |
| 109 ngx_http_perl_create_main_conf, /* create main configuration */ | |
| 110 ngx_http_perl_init_main_conf, /* init main configuration */ | |
| 111 | |
| 112 NULL, /* create server configuration */ | |
| 113 NULL, /* merge server configuration */ | |
| 114 | |
| 115 ngx_http_perl_create_loc_conf, /* create location configuration */ | |
| 116 ngx_http_perl_merge_loc_conf /* merge location configuration */ | |
| 117 }; | |
| 118 | |
| 119 | |
| 120 ngx_module_t ngx_http_perl_module = { | |
| 121 NGX_MODULE_V1, | |
| 122 &ngx_http_perl_module_ctx, /* module context */ | |
| 123 ngx_http_perl_commands, /* module directives */ | |
| 124 NGX_HTTP_MODULE, /* module type */ | |
| 125 NULL, /* init master */ | |
| 126 NULL, /* init module */ | |
| 127 NULL, /* init process */ | |
| 128 NULL, /* init thread */ | |
| 129 NULL, /* exit thread */ | |
| 130 NULL, /* exit process */ | |
| 131 NULL, /* exit master */ | |
| 132 NGX_MODULE_V1_PADDING | |
| 133 }; | |
| 134 | |
| 135 | |
| 617 | 136 #if (NGX_HTTP_SSI) |
| 137 | |
| 599 | 138 #define NGX_HTTP_PERL_SSI_SUB 0 |
| 139 #define NGX_HTTP_PERL_SSI_ARG 1 | |
| 140 | |
| 141 | |
| 142 static ngx_http_ssi_param_t ngx_http_perl_ssi_params[] = { | |
| 143 { ngx_string("sub"), NGX_HTTP_PERL_SSI_SUB, 1, 0 }, | |
| 144 { ngx_string("arg"), NGX_HTTP_PERL_SSI_ARG, 0, 1 }, | |
| 145 { ngx_null_string, 0, 0, 0 } | |
| 146 }; | |
| 147 | |
| 148 static ngx_http_ssi_command_t ngx_http_perl_ssi_command = { | |
| 667 | 149 ngx_string("perl"), ngx_http_perl_ssi, ngx_http_perl_ssi_params, 0, 0, 1 |
| 599 | 150 }; |
| 151 | |
| 617 | 152 #endif |
| 153 | |
| 599 | 154 |
| 681 | 155 static ngx_str_t ngx_null_name = ngx_null_string; |
| 156 | |
| 157 | |
| 633 | 158 static HV *nginx_stash; |
| 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 { | |
| 629 | 172 /* TODO: Win32 */ |
| 173 if (r->zero_in_uri) { | |
| 174 return NGX_HTTP_NOT_FOUND; | |
| 175 } | |
| 176 | |
| 681 | 177 ngx_http_perl_handle_request(r); |
| 178 | |
| 179 return NGX_DONE; | |
| 629 | 180 } |
| 181 | |
| 182 | |
| 681 | 183 void |
| 629 | 184 ngx_http_perl_handle_request(ngx_http_request_t *r) |
| 185 { | |
| 681 | 186 SV *sub; |
| 599 | 187 ngx_int_t rc; |
| 681 | 188 ngx_str_t uri, args, *handler; |
| 599 | 189 ngx_http_perl_ctx_t *ctx; |
| 190 ngx_http_perl_loc_conf_t *plcf; | |
| 191 ngx_http_perl_main_conf_t *pmcf; | |
| 192 | |
| 193 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl handler"); | |
| 194 | |
| 195 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
| 196 | |
| 197 if (ctx == NULL) { | |
| 198 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
| 199 if (ctx == NULL) { | |
| 681 | 200 ngx_http_finalize_request(r, NGX_ERROR); |
| 629 | 201 return; |
| 599 | 202 } |
| 203 | |
| 204 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
| 205 } | |
| 206 | |
| 207 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); | |
| 208 | |
| 209 { | |
| 210 | |
|
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
211 dTHXa(pmcf->perl); |
|
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
212 PERL_SET_CONTEXT(pmcf->perl); |
| 599 | 213 |
| 681 | 214 if (ctx->next == NULL) { |
| 215 plcf = ngx_http_get_module_loc_conf(r, ngx_http_perl_module); | |
| 216 sub = plcf->sub; | |
| 217 handler = &plcf->handler; | |
| 599 | 218 |
| 681 | 219 } else { |
| 220 sub = ctx->next; | |
| 221 handler = &ngx_null_name; | |
| 222 ctx->next = NULL; | |
| 223 } | |
| 224 | |
|
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
225 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sub, NULL, handler, |
|
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
226 NULL); |
| 599 | 227 |
| 228 } | |
| 229 | |
| 230 if (rc > 600) { | |
| 231 rc = NGX_OK; | |
| 232 } | |
| 233 | |
| 234 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 235 "perl handler done: %i", rc); | |
| 236 | |
| 237 if (ctx->redirect_uri.len) { | |
| 238 uri = ctx->redirect_uri; | |
| 239 args = ctx->redirect_args; | |
| 629 | 240 |
| 241 } else { | |
| 242 uri.len = 0; | |
| 599 | 243 } |
| 244 | |
| 633 | 245 ctx->filename.data = NULL; |
| 599 | 246 ctx->redirect_uri.len = 0; |
| 247 | |
| 681 | 248 if (ctx->done || ctx->next) { |
| 249 return; | |
| 250 } | |
| 251 | |
| 599 | 252 if (uri.len) { |
| 629 | 253 ngx_http_internal_redirect(r, &uri, &args); |
| 254 return; | |
| 599 | 255 } |
| 256 | |
| 257 if (rc == NGX_OK || rc == NGX_HTTP_OK) { | |
| 629 | 258 ngx_http_send_special(r, NGX_HTTP_LAST); |
| 681 | 259 ctx->done = 1; |
| 599 | 260 } |
| 261 | |
| 629 | 262 ngx_http_finalize_request(r, rc); |
| 599 | 263 } |
| 264 | |
| 265 | |
| 266 static ngx_int_t | |
| 267 ngx_http_perl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 268 uintptr_t data) | |
| 269 { | |
| 270 ngx_http_perl_variable_t *pv = (ngx_http_perl_variable_t *) data; | |
| 271 | |
| 272 ngx_int_t rc; | |
| 273 ngx_str_t value; | |
| 274 ngx_http_perl_ctx_t *ctx; | |
| 275 ngx_http_perl_main_conf_t *pmcf; | |
| 276 | |
| 277 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 278 "perl variable handler"); | |
| 279 | |
| 280 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
| 281 | |
| 282 if (ctx == NULL) { | |
| 283 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
| 284 if (ctx == NULL) { | |
| 285 return NGX_ERROR; | |
| 286 } | |
| 287 | |
| 288 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
|
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
289 } |
| 599 | 290 |
|
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
291 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); |
| 599 | 292 |
| 293 value.data = NULL; | |
| 294 | |
| 295 { | |
| 296 | |
|
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
297 dTHXa(pmcf->perl); |
|
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
298 PERL_SET_CONTEXT(pmcf->perl); |
| 599 | 299 |
|
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
300 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, pv->sub, NULL, |
| 599 | 301 &pv->handler, &value); |
| 302 | |
| 303 } | |
| 304 | |
| 305 if (value.data) { | |
| 306 v->len = value.len; | |
| 307 v->valid = 1; | |
| 308 v->no_cachable = 0; | |
| 309 v->not_found = 0; | |
| 310 v->data = value.data; | |
| 311 | |
| 312 } else { | |
| 313 v->not_found = 1; | |
| 314 } | |
| 315 | |
| 633 | 316 ctx->filename.data = NULL; |
| 599 | 317 ctx->redirect_uri.len = 0; |
| 318 | |
| 871 | 319 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 320 "perl variable done"); | |
| 321 | |
| 599 | 322 return rc; |
| 323 } | |
| 324 | |
| 325 | |
| 617 | 326 #if (NGX_HTTP_SSI) |
| 327 | |
| 599 | 328 static ngx_int_t |
| 329 ngx_http_perl_ssi(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ssi_ctx, | |
| 330 ngx_str_t **params) | |
| 331 { | |
| 332 SV *sv; | |
| 333 ngx_int_t rc; | |
| 334 ngx_str_t *handler; | |
| 335 ngx_http_perl_ctx_t *ctx; | |
| 336 ngx_http_perl_main_conf_t *pmcf; | |
| 337 | |
| 338 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 339 "perl ssi handler"); | |
| 340 | |
| 341 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
| 342 | |
| 343 if (ctx == NULL) { | |
| 344 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
| 345 if (ctx == NULL) { | |
| 346 return NGX_ERROR; | |
| 347 } | |
| 348 | |
| 349 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
| 350 } | |
| 351 | |
|
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
352 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); |
| 599 | 353 |
| 354 ctx->ssi = ssi_ctx; | |
| 355 | |
| 356 handler = params[NGX_HTTP_PERL_SSI_SUB]; | |
| 357 handler->data[handler->len] = '\0'; | |
| 358 | |
| 359 { | |
| 360 | |
|
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
361 dTHXa(pmcf->perl); |
|
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
362 PERL_SET_CONTEXT(pmcf->perl); |
| 599 | 363 |
| 651 | 364 #if 0 |
| 365 | |
| 366 /* the code is disabled to force the precompiled perl code using only */ | |
| 367 | |
| 368 ngx_http_perl_eval_anon_sub(aTHX_ handler, &sv); | |
| 369 | |
| 370 if (sv == &PL_sv_undef) { | |
| 371 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 372 "eval_pv(\"%V\") failed", handler); | |
| 373 return NGX_ERROR; | |
| 374 } | |
| 375 | |
| 376 if (sv == NULL) { | |
| 377 sv = newSVpvn((char *) handler->data, handler->len); | |
| 378 } | |
| 379 | |
| 380 #endif | |
| 381 | |
| 599 | 382 sv = newSVpvn((char *) handler->data, handler->len); |
| 383 | |
|
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
384 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sv, |
|
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
385 ¶ms[NGX_HTTP_PERL_SSI_ARG], |
| 599 | 386 handler, NULL); |
| 387 | |
| 388 SvREFCNT_dec(sv); | |
| 389 | |
| 390 } | |
| 391 | |
| 633 | 392 ctx->filename.data = NULL; |
| 599 | 393 ctx->redirect_uri.len = 0; |
| 394 ctx->ssi = NULL; | |
| 395 | |
| 871 | 396 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl ssi done"); |
| 397 | |
| 599 | 398 return rc; |
| 399 } | |
| 400 | |
| 617 | 401 #endif |
| 402 | |
| 599 | 403 |
| 404 static char * | |
| 405 ngx_http_perl_init_interpreter(ngx_conf_t *cf, ngx_http_perl_main_conf_t *pmcf) | |
| 406 { | |
|
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
407 #if (NGX_HAVE_PERL_MULTIPLICITY) |
| 653 | 408 ngx_pool_cleanup_t *cln; |
| 599 | 409 |
| 410 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
| 411 if (cln == NULL) { | |
| 412 return NGX_CONF_ERROR; | |
| 413 } | |
| 414 | |
| 649 | 415 #else |
| 416 static PerlInterpreter *perl; | |
| 417 #endif | |
| 418 | |
| 599 | 419 #ifdef NGX_PERL_MODULES |
| 420 if (pmcf->modules.data == NULL) { | |
| 421 pmcf->modules.data = NGX_PERL_MODULES; | |
| 422 } | |
| 423 #endif | |
| 424 | |
| 639 | 425 if (pmcf->modules.data) { |
| 426 if (ngx_conf_full_name(cf->cycle, &pmcf->modules) != NGX_OK) { | |
| 427 return NGX_CONF_ERROR; | |
| 428 } | |
| 629 | 429 } |
| 430 | |
|
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
431 #if !(NGX_HAVE_PERL_MULTIPLICITY) |
| 649 | 432 |
| 433 if (perl) { | |
| 653 | 434 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, cf->log) |
| 435 != NGX_OK) | |
| 436 { | |
| 649 | 437 return NGX_CONF_ERROR; |
| 438 } | |
| 439 | |
| 440 pmcf->perl = perl; | |
| 441 | |
| 442 return NGX_CONF_OK; | |
| 443 } | |
| 444 | |
| 445 #endif | |
| 446 | |
| 599 | 447 PERL_SYS_INIT(&ngx_argc, &ngx_argv); |
| 448 | |
| 449 pmcf->perl = ngx_http_perl_create_interpreter(pmcf, cf->log); | |
| 450 | |
| 451 if (pmcf->perl == NULL) { | |
| 452 PERL_SYS_TERM(); | |
| 453 return NGX_CONF_ERROR; | |
| 454 } | |
| 455 | |
|
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
456 pmcf->nginx = nginx_stash; |
|
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
457 |
|
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
458 #if (NGX_HAVE_PERL_MULTIPLICITY) |
| 649 | 459 |
| 599 | 460 cln->handler = ngx_http_perl_cleanup_perl; |
| 461 cln->data = pmcf->perl; | |
| 462 | |
| 649 | 463 #else |
| 464 | |
| 465 perl = pmcf->perl; | |
| 466 | |
| 467 #endif | |
| 468 | |
| 599 | 469 return NGX_CONF_OK; |
| 470 } | |
| 471 | |
| 472 | |
| 473 static PerlInterpreter * | |
| 474 ngx_http_perl_create_interpreter(ngx_http_perl_main_conf_t *pmcf, | |
| 475 ngx_log_t *log) | |
| 476 { | |
| 477 int n; | |
| 775 | 478 STRLEN len; |
| 479 SV *sv; | |
| 480 char *ver, *embedding[6]; | |
| 599 | 481 PerlInterpreter *perl; |
| 482 | |
| 483 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "create perl interpreter"); | |
| 484 | |
| 485 perl = perl_alloc(); | |
| 486 if (perl == NULL) { | |
| 487 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_alloc() failed"); | |
| 488 return NULL; | |
| 489 } | |
| 490 | |
| 491 { | |
| 492 | |
| 493 dTHXa(perl); | |
|
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diff
changeset
|
494 PERL_SET_CONTEXT(perl); |
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parents:
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diff
changeset
|
495 |
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changeset
|
496 perl_construct(perl); |
| 599 | 497 |
| 498 #ifdef PERL_EXIT_DESTRUCT_END | |
| 499 PL_exit_flags |= PERL_EXIT_DESTRUCT_END; | |
| 500 #endif | |
| 501 | |
| 502 embedding[0] = ""; | |
| 503 | |
| 504 if (pmcf->modules.data) { | |
| 505 embedding[1] = "-I"; | |
| 506 embedding[2] = (char *) pmcf->modules.data; | |
| 507 n = 3; | |
| 508 | |
| 509 } else { | |
| 510 n = 1; | |
| 511 } | |
| 512 | |
| 513 embedding[n++] = "-Mnginx"; | |
| 514 embedding[n++] = "-e"; | |
| 515 embedding[n++] = "0"; | |
| 516 | |
| 517 n = perl_parse(perl, ngx_http_perl_xs_init, n, embedding, NULL); | |
| 518 | |
| 519 if (n != 0) { | |
| 520 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_parse() failed: %d", n); | |
| 521 goto fail; | |
| 522 } | |
| 523 | |
| 775 | 524 sv = get_sv("nginx::VERSION", FALSE); |
| 525 ver = SvPV(sv, len); | |
| 526 | |
| 527 if (ngx_strcmp(ver, NGINX_VERSION) != 0) { | |
| 528 ngx_log_error(NGX_LOG_ALERT, log, 0, | |
| 529 "version " NGINX_VERSION " of nginx.pm is required, " | |
| 530 "but %s was found", ver); | |
| 531 goto fail; | |
| 532 } | |
| 533 | |
| 653 | 534 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, log) != NGX_OK) { |
| 649 | 535 goto fail; |
| 599 | 536 } |
| 537 | |
| 538 } | |
| 539 | |
| 540 return perl; | |
| 541 | |
| 542 fail: | |
| 543 | |
| 544 (void) perl_destruct(perl); | |
| 545 | |
| 546 perl_free(perl); | |
| 547 | |
| 548 return NULL; | |
| 549 } | |
| 550 | |
| 551 | |
| 649 | 552 static ngx_int_t |
| 653 | 553 ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, ngx_log_t *log) |
| 649 | 554 { |
| 555 char **script; | |
| 556 STRLEN len; | |
| 557 ngx_str_t err; | |
| 558 ngx_uint_t i; | |
| 559 | |
| 560 script = requires->elts; | |
| 561 for (i = 0; i < requires->nelts; i++) { | |
| 562 | |
| 563 require_pv(script[i]); | |
| 564 | |
| 565 if (SvTRUE(ERRSV)) { | |
| 566 | |
| 567 err.data = (u_char *) SvPV(ERRSV, len); | |
| 568 for (len--; err.data[len] == LF || err.data[len] == CR; len--) { | |
| 569 /* void */ | |
| 570 } | |
| 571 err.len = len + 1; | |
| 572 | |
| 573 ngx_log_error(NGX_LOG_EMERG, log, 0, | |
| 574 "require_pv(\"%s\") failed: \"%V\"", script[i], &err); | |
| 575 | |
| 576 return NGX_ERROR; | |
| 577 } | |
| 578 } | |
| 579 | |
| 580 return NGX_OK; | |
| 581 } | |
| 582 | |
| 583 | |
| 599 | 584 static ngx_int_t |
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parents:
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diff
changeset
|
585 ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, HV *nginx, SV *sub, |
| 599 | 586 ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv) |
| 587 { | |
| 588 SV *sv; | |
| 589 int n, status; | |
| 590 char *line; | |
| 591 STRLEN len, n_a; | |
| 592 ngx_str_t err; | |
| 593 ngx_uint_t i; | |
| 594 | |
| 595 dSP; | |
| 596 | |
| 597 status = 0; | |
| 598 | |
| 599 ENTER; | |
| 600 SAVETMPS; | |
| 601 | |
| 602 PUSHMARK(sp); | |
| 603 | |
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changeset
|
604 sv = sv_2mortal(sv_bless(newRV_noinc(newSViv(PTR2IV(r))), nginx)); |
| 599 | 605 XPUSHs(sv); |
| 606 | |
| 607 if (args) { | |
| 608 for (i = 0; args[i]; i++) { /* void */ } | |
| 609 | |
| 610 EXTEND(sp, (int) i); | |
| 611 | |
| 612 for (i = 0; args[i]; i++) { | |
| 613 PUSHs(sv_2mortal(newSVpvn((char *) args[i]->data, args[i]->len))); | |
| 614 } | |
| 615 } | |
| 616 | |
| 617 PUTBACK; | |
| 618 | |
| 619 n = call_sv(sub, G_EVAL); | |
| 620 | |
| 621 SPAGAIN; | |
| 622 | |
| 623 if (n) { | |
| 624 if (rv == NULL) { | |
| 625 status = POPi; | |
| 626 | |
| 627 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 628 "call_sv: %d", status); | |
| 629 | |
| 630 } else { | |
| 619 | 631 line = SvPVx(POPs, n_a); |
| 599 | 632 rv->len = n_a; |
| 633 | |
| 634 rv->data = ngx_palloc(r->pool, n_a); | |
| 635 if (rv->data == NULL) { | |
| 636 return NGX_ERROR; | |
| 637 } | |
| 638 | |
| 639 ngx_memcpy(rv->data, line, n_a); | |
| 640 } | |
| 641 } | |
| 642 | |
| 643 PUTBACK; | |
| 644 | |
| 645 FREETMPS; | |
| 646 LEAVE; | |
| 647 | |
| 648 /* check $@ */ | |
| 649 | |
| 650 if (SvTRUE(ERRSV)) { | |
| 651 | |
| 652 err.data = (u_char *) SvPV(ERRSV, len); | |
| 653 for (len--; err.data[len] == LF || err.data[len] == CR; len--) { | |
| 654 /* void */ | |
| 655 } | |
| 656 err.len = len + 1; | |
| 657 | |
| 658 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 659 "call_sv(\"%V\") failed: \"%V\"", | |
| 660 handler, &err); | |
| 661 | |
| 662 if (rv) { | |
| 663 return NGX_ERROR; | |
| 664 } | |
| 665 | |
| 666 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 667 } | |
| 668 | |
| 669 if (n != 1) { | |
| 670 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
| 671 "call_sv(\"%V\") returned %d results", handler, n); | |
| 672 status = NGX_OK; | |
| 673 } | |
| 674 | |
| 675 if (rv) { | |
| 676 return NGX_OK; | |
| 677 } | |
| 678 | |
| 679 return (ngx_int_t) status; | |
| 680 } | |
| 681 | |
| 682 | |
| 683 static void | |
| 684 ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv) | |
| 685 { | |
| 623 | 686 u_char *p; |
| 687 | |
| 688 for (p = handler->data; *p; p++) { | |
| 689 if (*p != ' ' && *p != '\t' && *p != CR && *p != LF) { | |
| 690 break; | |
| 691 } | |
| 692 } | |
| 693 | |
| 649 | 694 if (ngx_strncmp(p, "sub ", 4) == 0 || ngx_strncmp(p, "use ", 4) == 0) { |
| 623 | 695 *sv = eval_pv((char *) p, FALSE); |
| 874 | 696 |
| 697 /* eval_pv() does not set ERRSV on failure */ | |
| 698 | |
| 599 | 699 return; |
| 700 } | |
| 701 | |
| 702 *sv = NULL; | |
| 703 } | |
| 704 | |
| 705 | |
| 706 static void * | |
| 707 ngx_http_perl_create_main_conf(ngx_conf_t *cf) | |
| 708 { | |
| 709 ngx_http_perl_main_conf_t *pmcf; | |
| 710 | |
| 711 pmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_main_conf_t)); | |
| 712 if (pmcf == NULL) { | |
| 713 return NGX_CONF_ERROR; | |
| 714 } | |
| 715 | |
| 716 if (ngx_array_init(&pmcf->requires, cf->pool, 1, sizeof(u_char *)) | |
| 717 != NGX_OK) | |
| 718 { | |
| 719 return NULL; | |
| 720 } | |
| 721 | |
| 722 return pmcf; | |
| 723 } | |
| 724 | |
| 725 | |
| 726 static char * | |
| 727 ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf) | |
| 728 { | |
| 729 ngx_http_perl_main_conf_t *pmcf = conf; | |
| 730 | |
| 731 if (pmcf->perl == NULL) { | |
| 732 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
| 733 return NGX_CONF_ERROR; | |
| 734 } | |
| 735 } | |
| 736 | |
| 737 return NGX_CONF_OK; | |
| 738 } | |
| 739 | |
| 740 | |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
741 #if (NGX_HAVE_PERL_MULTIPLICITY) |
| 649 | 742 |
| 599 | 743 static void |
| 744 ngx_http_perl_cleanup_perl(void *data) | |
| 745 { | |
| 649 | 746 PerlInterpreter *perl = data; |
| 599 | 747 |
|
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parents:
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diff
changeset
|
748 PERL_SET_CONTEXT(perl); |
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parents:
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diff
changeset
|
749 |
| 599 | 750 (void) perl_destruct(perl); |
| 751 | |
| 752 perl_free(perl); | |
| 753 | |
| 754 PERL_SYS_TERM(); | |
| 755 } | |
| 756 | |
| 649 | 757 #endif |
| 758 | |
| 759 | |
| 599 | 760 static ngx_int_t |
| 761 ngx_http_perl_preconfiguration(ngx_conf_t *cf) | |
| 762 { | |
| 617 | 763 #if (NGX_HTTP_SSI) |
| 599 | 764 ngx_int_t rc; |
| 765 ngx_http_ssi_main_conf_t *smcf; | |
| 766 | |
| 767 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module); | |
| 768 | |
| 769 rc = ngx_hash_add_key(&smcf->commands, &ngx_http_perl_ssi_command.name, | |
| 770 &ngx_http_perl_ssi_command, NGX_HASH_READONLY_KEY); | |
| 771 | |
| 772 if (rc != NGX_OK) { | |
| 773 if (rc == NGX_BUSY) { | |
| 774 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 775 "conflicting SSI command \"%V\"", | |
| 776 &ngx_http_perl_ssi_command.name); | |
| 777 } | |
| 778 | |
| 779 return NGX_ERROR; | |
| 780 } | |
| 617 | 781 #endif |
| 599 | 782 |
| 783 return NGX_OK; | |
| 784 } | |
| 785 | |
| 786 | |
| 787 static void * | |
| 788 ngx_http_perl_create_loc_conf(ngx_conf_t *cf) | |
| 789 { | |
| 790 ngx_http_perl_loc_conf_t *plcf; | |
| 791 | |
| 792 plcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_loc_conf_t)); | |
| 793 if (plcf == NULL) { | |
| 794 return NGX_CONF_ERROR; | |
| 795 } | |
| 796 | |
| 797 /* | |
| 798 * set by ngx_pcalloc(): | |
| 799 * | |
| 800 * plcf->handler = { 0, NULL }; | |
| 801 */ | |
| 802 | |
| 803 return plcf; | |
| 804 } | |
| 805 | |
| 806 | |
| 807 static char * | |
| 808 ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 809 { | |
| 810 ngx_http_perl_loc_conf_t *prev = parent; | |
| 811 ngx_http_perl_loc_conf_t *conf = child; | |
| 812 | |
| 813 if (conf->sub == NULL) { | |
| 814 conf->sub = prev->sub; | |
| 815 conf->handler = prev->handler; | |
| 816 } | |
| 817 | |
| 818 return NGX_CONF_OK; | |
| 819 } | |
| 820 | |
| 821 | |
| 822 static char * | |
| 823 ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 824 { | |
| 825 ngx_http_perl_main_conf_t *pmcf = conf; | |
| 826 | |
| 827 u_char **p; | |
| 828 ngx_str_t *value; | |
| 829 | |
| 830 value = cf->args->elts; | |
| 831 | |
| 832 p = ngx_array_push(&pmcf->requires); | |
| 833 | |
| 834 if (p == NULL) { | |
| 835 return NGX_CONF_ERROR; | |
| 836 } | |
| 837 | |
| 838 *p = value[1].data; | |
| 839 | |
| 840 return NGX_CONF_OK; | |
| 841 } | |
| 842 | |
| 843 | |
| 844 static char * | |
| 845 ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 846 { | |
| 847 ngx_http_perl_loc_conf_t *plcf = conf; | |
| 848 | |
| 849 ngx_str_t *value; | |
| 850 ngx_http_core_loc_conf_t *clcf; | |
| 851 ngx_http_perl_main_conf_t *pmcf; | |
| 852 | |
| 853 value = cf->args->elts; | |
| 854 | |
| 855 if (plcf->handler.data) { | |
| 856 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 857 "duplicate perl handler \"%V\"", &value[1]); | |
| 858 return NGX_CONF_ERROR; | |
| 859 } | |
| 860 | |
| 861 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
| 862 | |
| 863 if (pmcf->perl == NULL) { | |
| 864 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
| 865 return NGX_CONF_ERROR; | |
| 866 } | |
| 867 } | |
| 868 | |
| 869 plcf->handler = value[1]; | |
| 870 | |
| 871 { | |
| 872 | |
| 873 dTHXa(pmcf->perl); | |
|
873
f92ad15c2db1
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Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
874 PERL_SET_CONTEXT(pmcf->perl); |
| 599 | 875 |
| 876 ngx_http_perl_eval_anon_sub(aTHX_ &value[1], &plcf->sub); | |
| 877 | |
| 878 if (plcf->sub == &PL_sv_undef) { | |
| 879 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
| 880 "eval_pv(\"%V\") failed", &value[1]); | |
| 881 return NGX_CONF_ERROR; | |
| 882 } | |
| 883 | |
| 884 if (plcf->sub == NULL) { | |
| 885 plcf->sub = newSVpvn((char *) value[1].data, value[1].len); | |
| 886 } | |
| 887 | |
| 888 } | |
| 889 | |
| 890 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
| 891 clcf->handler = ngx_http_perl_handler; | |
| 892 | |
| 893 return NGX_CONF_OK; | |
| 894 } | |
| 895 | |
| 896 | |
| 897 static char * | |
| 898 ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 899 { | |
| 900 ngx_int_t index; | |
| 901 ngx_str_t *value; | |
| 902 ngx_http_variable_t *v; | |
| 903 ngx_http_perl_variable_t *pv; | |
| 904 ngx_http_perl_main_conf_t *pmcf; | |
| 905 | |
| 906 value = cf->args->elts; | |
| 907 | |
| 908 if (value[1].data[0] != '$') { | |
| 909 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 910 "invalid variable name \"%V\"", &value[1]); | |
| 911 return NGX_CONF_ERROR; | |
| 912 } | |
| 913 | |
| 914 value[1].len--; | |
| 915 value[1].data++; | |
| 916 | |
| 917 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGABLE); | |
| 918 if (v == NULL) { | |
| 919 return NGX_CONF_ERROR; | |
| 920 } | |
| 921 | |
| 922 pv = ngx_palloc(cf->pool, sizeof(ngx_http_perl_variable_t)); | |
| 923 if (pv == NULL) { | |
| 924 return NGX_CONF_ERROR; | |
| 925 } | |
| 926 | |
| 927 index = ngx_http_get_variable_index(cf, &value[1]); | |
| 928 if (index == NGX_ERROR) { | |
| 929 return NGX_CONF_ERROR; | |
| 930 } | |
| 931 | |
| 932 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
| 933 | |
| 934 if (pmcf->perl == NULL) { | |
| 935 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
| 936 return NGX_CONF_ERROR; | |
| 937 } | |
| 938 } | |
| 939 | |
| 940 pv->handler = value[2]; | |
| 941 | |
| 942 { | |
| 943 | |
| 944 dTHXa(pmcf->perl); | |
|
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
945 PERL_SET_CONTEXT(pmcf->perl); |
| 599 | 946 |
| 947 ngx_http_perl_eval_anon_sub(aTHX_ &value[2], &pv->sub); | |
| 948 | |
| 949 if (pv->sub == &PL_sv_undef) { | |
| 950 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
| 951 "eval_pv(\"%V\") failed", &value[2]); | |
| 952 return NGX_CONF_ERROR; | |
| 953 } | |
| 954 | |
| 955 if (pv->sub == NULL) { | |
| 956 pv->sub = newSVpvn((char *) value[2].data, value[2].len); | |
| 957 } | |
| 958 | |
| 959 } | |
| 960 | |
| 637 | 961 v->get_handler = ngx_http_perl_variable; |
| 599 | 962 v->data = (uintptr_t) pv; |
| 963 | |
| 964 return NGX_CONF_OK; | |
| 965 } |