Mercurial > hg > nginx
annotate src/http/modules/perl/ngx_http_perl_module.c @ 1702:86bb52e28ce0
fix segfault when $r->has_request_body() is called with ready body
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Sun, 09 Dec 2007 19:30:30 +0000 |
| parents | 4c43e25d11ea |
| children | b43f244d0430 |
| 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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parents:
872
diff
changeset
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15 HV *nginx; |
| 599 | 16 ngx_str_t modules; |
| 17 ngx_array_t requires; | |
| 18 } ngx_http_perl_main_conf_t; | |
| 19 | |
| 20 | |
| 21 typedef struct { | |
| 22 SV *sub; | |
| 23 ngx_str_t handler; | |
| 24 } ngx_http_perl_loc_conf_t; | |
| 25 | |
| 26 | |
| 27 typedef struct { | |
| 28 SV *sub; | |
| 29 ngx_str_t handler; | |
| 30 } ngx_http_perl_variable_t; | |
| 31 | |
| 32 | |
| 653 | 33 typedef struct { |
| 34 SV *sv; | |
| 35 PerlInterpreter *perl; | |
| 36 } ngx_http_perl_cleanup_t; | |
| 37 | |
| 38 | |
| 617 | 39 #if (NGX_HTTP_SSI) |
| 599 | 40 static ngx_int_t ngx_http_perl_ssi(ngx_http_request_t *r, |
| 41 ngx_http_ssi_ctx_t *ssi_ctx, ngx_str_t **params); | |
| 617 | 42 #endif |
| 43 | |
| 911 | 44 static void ngx_http_perl_sleep_handler(ngx_http_request_t *r); |
| 599 | 45 static char *ngx_http_perl_init_interpreter(ngx_conf_t *cf, |
| 46 ngx_http_perl_main_conf_t *pmcf); | |
| 1069 | 47 static PerlInterpreter *ngx_http_perl_create_interpreter(ngx_conf_t *cf, |
| 48 ngx_http_perl_main_conf_t *pmcf); | |
| 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, |
|
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fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
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52 HV *nginx, SV *sub, ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv); |
| 599 | 53 static void ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv); |
| 54 | |
| 55 static ngx_int_t ngx_http_perl_preconfiguration(ngx_conf_t *cf); | |
| 56 static void *ngx_http_perl_create_main_conf(ngx_conf_t *cf); | |
| 57 static char *ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf); | |
| 58 static void *ngx_http_perl_create_loc_conf(ngx_conf_t *cf); | |
| 59 static char *ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, | |
| 60 void *child); | |
| 61 static char *ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 62 void *conf); | |
| 63 static char *ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
| 64 static char *ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
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65 |
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66 #if (NGX_HAVE_PERL_MULTIPLICITY) |
| 599 | 67 static void ngx_http_perl_cleanup_perl(void *data); |
| 649 | 68 #endif |
| 599 | 69 |
| 1257 | 70 static ngx_int_t ngx_http_perl_init_worker(ngx_cycle_t *cycle); |
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71 static void ngx_http_perl_exit(ngx_cycle_t *cycle); |
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aa653367028e
PERL_SYS_TERM() should be called once on exit only, this fixes the message
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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72 |
| 599 | 73 |
| 74 static ngx_command_t ngx_http_perl_commands[] = { | |
| 75 | |
| 76 { ngx_string("perl_modules"), | |
| 77 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, | |
| 78 ngx_conf_set_str_slot, | |
| 79 NGX_HTTP_MAIN_CONF_OFFSET, | |
| 80 offsetof(ngx_http_perl_main_conf_t, modules), | |
| 81 NULL }, | |
| 82 | |
| 83 { ngx_string("perl_require"), | |
| 84 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, | |
| 85 ngx_http_perl_require, | |
| 86 NGX_HTTP_MAIN_CONF_OFFSET, | |
| 87 0, | |
| 88 NULL }, | |
| 89 | |
| 90 { ngx_string("perl"), | |
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91 NGX_HTTP_LOC_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1, |
| 599 | 92 ngx_http_perl, |
| 93 NGX_HTTP_LOC_CONF_OFFSET, | |
| 94 0, | |
| 95 NULL }, | |
| 96 | |
| 97 { ngx_string("perl_set"), | |
| 98 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE2, | |
| 99 ngx_http_perl_set, | |
| 100 NGX_HTTP_LOC_CONF_OFFSET, | |
| 101 0, | |
| 102 NULL }, | |
| 103 | |
| 104 ngx_null_command | |
| 105 }; | |
| 106 | |
| 107 | |
| 108 static ngx_http_module_t ngx_http_perl_module_ctx = { | |
| 109 ngx_http_perl_preconfiguration, /* preconfiguration */ | |
| 110 NULL, /* postconfiguration */ | |
| 111 | |
| 112 ngx_http_perl_create_main_conf, /* create main configuration */ | |
| 113 ngx_http_perl_init_main_conf, /* init main configuration */ | |
| 114 | |
| 115 NULL, /* create server configuration */ | |
| 116 NULL, /* merge server configuration */ | |
| 117 | |
| 118 ngx_http_perl_create_loc_conf, /* create location configuration */ | |
| 119 ngx_http_perl_merge_loc_conf /* merge location configuration */ | |
| 120 }; | |
| 121 | |
| 122 | |
| 123 ngx_module_t ngx_http_perl_module = { | |
| 124 NGX_MODULE_V1, | |
| 125 &ngx_http_perl_module_ctx, /* module context */ | |
| 126 ngx_http_perl_commands, /* module directives */ | |
| 127 NGX_HTTP_MODULE, /* module type */ | |
| 128 NULL, /* init master */ | |
| 129 NULL, /* init module */ | |
| 1257 | 130 ngx_http_perl_init_worker, /* init process */ |
| 599 | 131 NULL, /* init thread */ |
| 132 NULL, /* exit thread */ | |
| 133 NULL, /* exit process */ | |
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1221
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PERL_SYS_TERM() should be called once on exit only, this fixes the message
Igor Sysoev <igor@sysoev.ru>
parents:
1165
diff
changeset
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134 ngx_http_perl_exit, /* exit master */ |
| 599 | 135 NGX_MODULE_V1_PADDING |
| 136 }; | |
| 137 | |
| 138 | |
| 617 | 139 #if (NGX_HTTP_SSI) |
| 140 | |
| 599 | 141 #define NGX_HTTP_PERL_SSI_SUB 0 |
| 142 #define NGX_HTTP_PERL_SSI_ARG 1 | |
| 143 | |
| 144 | |
| 145 static ngx_http_ssi_param_t ngx_http_perl_ssi_params[] = { | |
| 146 { ngx_string("sub"), NGX_HTTP_PERL_SSI_SUB, 1, 0 }, | |
| 147 { ngx_string("arg"), NGX_HTTP_PERL_SSI_ARG, 0, 1 }, | |
| 148 { ngx_null_string, 0, 0, 0 } | |
| 149 }; | |
| 150 | |
| 151 static ngx_http_ssi_command_t ngx_http_perl_ssi_command = { | |
| 667 | 152 ngx_string("perl"), ngx_http_perl_ssi, ngx_http_perl_ssi_params, 0, 0, 1 |
| 599 | 153 }; |
| 154 | |
| 617 | 155 #endif |
| 156 | |
| 599 | 157 |
| 681 | 158 static ngx_str_t ngx_null_name = ngx_null_string; |
| 159 | |
| 160 | |
| 633 | 161 static HV *nginx_stash; |
| 162 | |
| 599 | 163 static void |
| 164 ngx_http_perl_xs_init(pTHX) | |
| 165 { | |
| 166 newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, __FILE__); | |
| 633 | 167 |
| 168 nginx_stash = gv_stashpv("nginx", TRUE); | |
| 599 | 169 } |
| 170 | |
| 171 | |
| 172 static ngx_int_t | |
| 173 ngx_http_perl_handler(ngx_http_request_t *r) | |
| 174 { | |
| 629 | 175 /* TODO: Win32 */ |
| 176 if (r->zero_in_uri) { | |
| 177 return NGX_HTTP_NOT_FOUND; | |
| 178 } | |
| 179 | |
| 681 | 180 ngx_http_perl_handle_request(r); |
| 181 | |
| 182 return NGX_DONE; | |
| 629 | 183 } |
| 184 | |
| 185 | |
| 681 | 186 void |
| 629 | 187 ngx_http_perl_handle_request(ngx_http_request_t *r) |
| 188 { | |
| 681 | 189 SV *sub; |
| 599 | 190 ngx_int_t rc; |
| 681 | 191 ngx_str_t uri, args, *handler; |
| 599 | 192 ngx_http_perl_ctx_t *ctx; |
| 193 ngx_http_perl_loc_conf_t *plcf; | |
| 194 ngx_http_perl_main_conf_t *pmcf; | |
| 195 | |
| 196 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl handler"); | |
| 197 | |
| 198 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
| 199 | |
| 200 if (ctx == NULL) { | |
| 201 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
| 202 if (ctx == NULL) { | |
| 681 | 203 ngx_http_finalize_request(r, NGX_ERROR); |
| 1025 | 204 return; |
| 599 | 205 } |
| 206 | |
| 207 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
| 208 } | |
| 209 | |
| 210 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); | |
| 211 | |
| 212 { | |
| 213 | |
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872
1c4a5b3f9110
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Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
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214 dTHXa(pmcf->perl); |
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873
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fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
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215 PERL_SET_CONTEXT(pmcf->perl); |
| 599 | 216 |
| 681 | 217 if (ctx->next == NULL) { |
| 218 plcf = ngx_http_get_module_loc_conf(r, ngx_http_perl_module); | |
| 219 sub = plcf->sub; | |
| 220 handler = &plcf->handler; | |
| 599 | 221 |
| 681 | 222 } else { |
| 223 sub = ctx->next; | |
| 224 handler = &ngx_null_name; | |
| 225 ctx->next = NULL; | |
| 226 } | |
| 227 | |
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fix segfaults in future workers those will use old configuration,
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parents:
872
diff
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228 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sub, NULL, handler, |
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fix segfaults in future workers those will use old configuration,
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parents:
872
diff
changeset
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229 NULL); |
| 599 | 230 |
| 231 } | |
| 232 | |
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1702
86bb52e28ce0
fix segfault when $r->has_request_body() is called with ready body
Igor Sysoev <igor@sysoev.ru>
parents:
1565
diff
changeset
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233 if (rc == NGX_DONE) { |
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86bb52e28ce0
fix segfault when $r->has_request_body() is called with ready body
Igor Sysoev <igor@sysoev.ru>
parents:
1565
diff
changeset
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234 return; |
|
86bb52e28ce0
fix segfault when $r->has_request_body() is called with ready body
Igor Sysoev <igor@sysoev.ru>
parents:
1565
diff
changeset
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235 } |
|
86bb52e28ce0
fix segfault when $r->has_request_body() is called with ready body
Igor Sysoev <igor@sysoev.ru>
parents:
1565
diff
changeset
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236 |
| 599 | 237 if (rc > 600) { |
| 238 rc = NGX_OK; | |
| 239 } | |
| 240 | |
| 241 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 242 "perl handler done: %i", rc); | |
| 243 | |
| 244 if (ctx->redirect_uri.len) { | |
| 245 uri = ctx->redirect_uri; | |
| 246 args = ctx->redirect_args; | |
| 629 | 247 |
| 248 } else { | |
| 249 uri.len = 0; | |
| 599 | 250 } |
| 251 | |
| 633 | 252 ctx->filename.data = NULL; |
| 599 | 253 ctx->redirect_uri.len = 0; |
| 254 | |
| 911 | 255 if (ctx->sleep) { |
| 256 ngx_add_timer(r->connection->write, (ngx_msec_t) ctx->sleep); | |
| 257 r->write_event_handler = ngx_http_perl_sleep_handler; | |
| 258 ctx->sleep = 0; | |
| 259 } | |
| 260 | |
| 681 | 261 if (ctx->done || ctx->next) { |
| 262 return; | |
| 263 } | |
| 264 | |
| 599 | 265 if (uri.len) { |
| 629 | 266 ngx_http_internal_redirect(r, &uri, &args); |
| 267 return; | |
| 599 | 268 } |
| 269 | |
| 270 if (rc == NGX_OK || rc == NGX_HTTP_OK) { | |
| 629 | 271 ngx_http_send_special(r, NGX_HTTP_LAST); |
| 681 | 272 ctx->done = 1; |
| 599 | 273 } |
| 274 | |
| 629 | 275 ngx_http_finalize_request(r, rc); |
| 599 | 276 } |
| 277 | |
| 278 | |
| 911 | 279 static void |
| 280 ngx_http_perl_sleep_handler(ngx_http_request_t *r) | |
| 281 { | |
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282 ngx_event_t *wev; |
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283 |
| 911 | 284 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 285 "perl sleep handler"); | |
| 286 | |
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287 wev = r->connection->write; |
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288 |
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289 if (wev->timedout) { |
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290 wev->timedout = 0; |
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291 ngx_http_perl_handle_request(r); |
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292 return; |
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293 } |
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294 |
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295 if (ngx_handle_write_event(wev, 0) == NGX_ERROR) { |
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296 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
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297 } |
| 911 | 298 } |
| 299 | |
| 300 | |
| 599 | 301 static ngx_int_t |
| 302 ngx_http_perl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 303 uintptr_t data) | |
| 304 { | |
| 305 ngx_http_perl_variable_t *pv = (ngx_http_perl_variable_t *) data; | |
| 306 | |
| 307 ngx_int_t rc; | |
| 308 ngx_str_t value; | |
| 309 ngx_http_perl_ctx_t *ctx; | |
| 310 ngx_http_perl_main_conf_t *pmcf; | |
| 311 | |
| 312 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 313 "perl variable handler"); | |
| 314 | |
| 315 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
| 316 | |
| 317 if (ctx == NULL) { | |
| 318 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
| 319 if (ctx == NULL) { | |
| 320 return NGX_ERROR; | |
| 321 } | |
| 322 | |
| 323 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
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Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
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324 } |
| 599 | 325 |
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1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
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326 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); |
| 599 | 327 |
| 328 value.data = NULL; | |
| 329 | |
| 330 { | |
| 331 | |
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1c4a5b3f9110
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Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
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332 dTHXa(pmcf->perl); |
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873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
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333 PERL_SET_CONTEXT(pmcf->perl); |
| 599 | 334 |
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873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
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335 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, pv->sub, NULL, |
| 599 | 336 &pv->handler, &value); |
| 337 | |
| 338 } | |
| 339 | |
| 340 if (value.data) { | |
| 341 v->len = value.len; | |
| 342 v->valid = 1; | |
| 1565 | 343 v->no_cacheable = 0; |
| 599 | 344 v->not_found = 0; |
| 345 v->data = value.data; | |
| 346 | |
| 347 } else { | |
| 348 v->not_found = 1; | |
| 349 } | |
| 350 | |
| 633 | 351 ctx->filename.data = NULL; |
| 599 | 352 ctx->redirect_uri.len = 0; |
| 353 | |
| 871 | 354 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 355 "perl variable done"); | |
| 356 | |
| 599 | 357 return rc; |
| 358 } | |
| 359 | |
| 360 | |
| 617 | 361 #if (NGX_HTTP_SSI) |
| 362 | |
| 599 | 363 static ngx_int_t |
| 364 ngx_http_perl_ssi(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ssi_ctx, | |
| 365 ngx_str_t **params) | |
| 366 { | |
| 367 SV *sv; | |
| 368 ngx_int_t rc; | |
| 369 ngx_str_t *handler; | |
| 370 ngx_http_perl_ctx_t *ctx; | |
| 371 ngx_http_perl_main_conf_t *pmcf; | |
| 372 | |
| 373 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 374 "perl ssi handler"); | |
| 375 | |
| 376 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
| 377 | |
| 378 if (ctx == NULL) { | |
| 379 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
| 380 if (ctx == NULL) { | |
| 381 return NGX_ERROR; | |
| 382 } | |
| 383 | |
| 384 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
| 385 } | |
| 386 | |
|
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
387 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); |
| 599 | 388 |
| 389 ctx->ssi = ssi_ctx; | |
| 390 | |
| 391 handler = params[NGX_HTTP_PERL_SSI_SUB]; | |
| 392 handler->data[handler->len] = '\0'; | |
| 393 | |
| 394 { | |
| 395 | |
|
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
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|
396 dTHXa(pmcf->perl); |
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397 PERL_SET_CONTEXT(pmcf->perl); |
| 599 | 398 |
| 651 | 399 #if 0 |
| 400 | |
| 401 /* the code is disabled to force the precompiled perl code using only */ | |
| 402 | |
| 403 ngx_http_perl_eval_anon_sub(aTHX_ handler, &sv); | |
| 404 | |
| 405 if (sv == &PL_sv_undef) { | |
| 406 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 407 "eval_pv(\"%V\") failed", handler); | |
| 408 return NGX_ERROR; | |
| 409 } | |
| 410 | |
| 411 if (sv == NULL) { | |
| 412 sv = newSVpvn((char *) handler->data, handler->len); | |
| 413 } | |
| 414 | |
| 415 #endif | |
| 416 | |
| 599 | 417 sv = newSVpvn((char *) handler->data, handler->len); |
| 418 | |
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419 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sv, |
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420 ¶ms[NGX_HTTP_PERL_SSI_ARG], |
| 599 | 421 handler, NULL); |
| 422 | |
| 423 SvREFCNT_dec(sv); | |
| 424 | |
| 425 } | |
| 426 | |
| 633 | 427 ctx->filename.data = NULL; |
| 599 | 428 ctx->redirect_uri.len = 0; |
| 429 ctx->ssi = NULL; | |
| 430 | |
| 871 | 431 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl ssi done"); |
| 432 | |
| 599 | 433 return rc; |
| 434 } | |
| 435 | |
| 617 | 436 #endif |
| 437 | |
| 599 | 438 |
| 439 static char * | |
| 440 ngx_http_perl_init_interpreter(ngx_conf_t *cf, ngx_http_perl_main_conf_t *pmcf) | |
| 441 { | |
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442 #if (NGX_HAVE_PERL_MULTIPLICITY) |
| 653 | 443 ngx_pool_cleanup_t *cln; |
| 599 | 444 |
| 445 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
| 446 if (cln == NULL) { | |
| 447 return NGX_CONF_ERROR; | |
| 448 } | |
| 449 | |
| 649 | 450 #else |
| 451 static PerlInterpreter *perl; | |
| 452 #endif | |
| 453 | |
| 599 | 454 #ifdef NGX_PERL_MODULES |
| 455 if (pmcf->modules.data == NULL) { | |
| 456 pmcf->modules.data = NGX_PERL_MODULES; | |
| 457 } | |
| 458 #endif | |
| 459 | |
| 639 | 460 if (pmcf->modules.data) { |
| 1352 | 461 if (ngx_conf_full_name(cf->cycle, &pmcf->modules, 0) != NGX_OK) { |
| 639 | 462 return NGX_CONF_ERROR; |
| 463 } | |
| 629 | 464 } |
| 465 | |
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466 #if !(NGX_HAVE_PERL_MULTIPLICITY) |
| 649 | 467 |
| 468 if (perl) { | |
| 1165 | 469 |
| 470 if (ngx_set_environment(cf->cycle, NULL) == NULL) { | |
| 471 return NGX_CONF_ERROR; | |
| 472 } | |
| 473 | |
| 653 | 474 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, cf->log) |
| 475 != NGX_OK) | |
| 476 { | |
| 649 | 477 return NGX_CONF_ERROR; |
| 478 } | |
| 479 | |
| 480 pmcf->perl = perl; | |
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481 pmcf->nginx = nginx_stash; |
| 649 | 482 |
| 483 return NGX_CONF_OK; | |
| 484 } | |
| 485 | |
| 486 #endif | |
| 487 | |
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488 if (nginx_stash == NULL) { |
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489 PERL_SYS_INIT(&ngx_argc, &ngx_argv); |
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490 } |
| 599 | 491 |
| 1069 | 492 pmcf->perl = ngx_http_perl_create_interpreter(cf, pmcf); |
| 599 | 493 |
| 494 if (pmcf->perl == NULL) { | |
| 495 return NGX_CONF_ERROR; | |
| 496 } | |
| 497 | |
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498 pmcf->nginx = nginx_stash; |
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499 |
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500 #if (NGX_HAVE_PERL_MULTIPLICITY) |
| 649 | 501 |
| 599 | 502 cln->handler = ngx_http_perl_cleanup_perl; |
| 503 cln->data = pmcf->perl; | |
| 504 | |
| 649 | 505 #else |
| 506 | |
| 507 perl = pmcf->perl; | |
| 508 | |
| 509 #endif | |
| 510 | |
| 599 | 511 return NGX_CONF_OK; |
| 512 } | |
| 513 | |
| 514 | |
| 515 static PerlInterpreter * | |
| 1069 | 516 ngx_http_perl_create_interpreter(ngx_conf_t *cf, |
| 517 ngx_http_perl_main_conf_t *pmcf) | |
| 599 | 518 { |
| 519 int n; | |
| 775 | 520 STRLEN len; |
| 521 SV *sv; | |
| 522 char *ver, *embedding[6]; | |
| 599 | 523 PerlInterpreter *perl; |
| 524 | |
| 1069 | 525 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cf->log, 0, "create perl interpreter"); |
| 526 | |
| 527 if (ngx_set_environment(cf->cycle, NULL) == NULL) { | |
| 528 return NULL; | |
| 529 } | |
| 599 | 530 |
| 531 perl = perl_alloc(); | |
| 532 if (perl == NULL) { | |
| 1069 | 533 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "perl_alloc() failed"); |
| 599 | 534 return NULL; |
| 535 } | |
| 536 | |
| 537 { | |
| 538 | |
| 539 dTHXa(perl); | |
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540 PERL_SET_CONTEXT(perl); |
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541 |
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542 perl_construct(perl); |
| 599 | 543 |
| 544 #ifdef PERL_EXIT_DESTRUCT_END | |
| 545 PL_exit_flags |= PERL_EXIT_DESTRUCT_END; | |
| 546 #endif | |
| 547 | |
| 548 embedding[0] = ""; | |
| 549 | |
| 550 if (pmcf->modules.data) { | |
| 551 embedding[1] = "-I"; | |
| 552 embedding[2] = (char *) pmcf->modules.data; | |
| 553 n = 3; | |
| 554 | |
| 555 } else { | |
| 556 n = 1; | |
| 557 } | |
| 558 | |
| 559 embedding[n++] = "-Mnginx"; | |
| 560 embedding[n++] = "-e"; | |
| 561 embedding[n++] = "0"; | |
| 562 | |
| 563 n = perl_parse(perl, ngx_http_perl_xs_init, n, embedding, NULL); | |
| 564 | |
| 565 if (n != 0) { | |
| 1069 | 566 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "perl_parse() failed: %d", n); |
| 599 | 567 goto fail; |
| 568 } | |
| 569 | |
| 775 | 570 sv = get_sv("nginx::VERSION", FALSE); |
| 571 ver = SvPV(sv, len); | |
| 572 | |
| 573 if (ngx_strcmp(ver, NGINX_VERSION) != 0) { | |
| 1069 | 574 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, |
| 775 | 575 "version " NGINX_VERSION " of nginx.pm is required, " |
| 576 "but %s was found", ver); | |
| 577 goto fail; | |
| 578 } | |
| 579 | |
| 1069 | 580 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, cf->log) != NGX_OK) { |
| 649 | 581 goto fail; |
| 599 | 582 } |
| 583 | |
| 584 } | |
| 585 | |
| 586 return perl; | |
| 587 | |
| 588 fail: | |
| 589 | |
| 590 (void) perl_destruct(perl); | |
| 591 | |
| 592 perl_free(perl); | |
| 593 | |
| 594 return NULL; | |
| 595 } | |
| 596 | |
| 597 | |
| 649 | 598 static ngx_int_t |
| 653 | 599 ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, ngx_log_t *log) |
| 649 | 600 { |
| 601 char **script; | |
| 602 STRLEN len; | |
| 603 ngx_str_t err; | |
| 604 ngx_uint_t i; | |
| 605 | |
| 606 script = requires->elts; | |
| 607 for (i = 0; i < requires->nelts; i++) { | |
| 608 | |
| 609 require_pv(script[i]); | |
| 610 | |
| 611 if (SvTRUE(ERRSV)) { | |
| 612 | |
| 613 err.data = (u_char *) SvPV(ERRSV, len); | |
| 614 for (len--; err.data[len] == LF || err.data[len] == CR; len--) { | |
| 615 /* void */ | |
| 616 } | |
| 617 err.len = len + 1; | |
| 618 | |
| 619 ngx_log_error(NGX_LOG_EMERG, log, 0, | |
| 620 "require_pv(\"%s\") failed: \"%V\"", script[i], &err); | |
| 621 | |
| 622 return NGX_ERROR; | |
| 623 } | |
| 624 } | |
| 625 | |
| 626 return NGX_OK; | |
| 627 } | |
| 628 | |
| 629 | |
| 599 | 630 static ngx_int_t |
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631 ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, HV *nginx, SV *sub, |
| 599 | 632 ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv) |
| 633 { | |
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634 SV *sv; |
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635 int n, status; |
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636 char *line; |
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637 STRLEN len, n_a; |
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638 ngx_str_t err; |
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639 ngx_uint_t i; |
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640 ngx_connection_t *c; |
| 599 | 641 |
| 642 dSP; | |
| 643 | |
| 644 status = 0; | |
| 645 | |
| 646 ENTER; | |
| 647 SAVETMPS; | |
| 648 | |
| 649 PUSHMARK(sp); | |
| 650 | |
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651 sv = sv_2mortal(sv_bless(newRV_noinc(newSViv(PTR2IV(r))), nginx)); |
| 599 | 652 XPUSHs(sv); |
| 653 | |
| 654 if (args) { | |
| 655 for (i = 0; args[i]; i++) { /* void */ } | |
| 656 | |
| 657 EXTEND(sp, (int) i); | |
| 658 | |
| 659 for (i = 0; args[i]; i++) { | |
| 660 PUSHs(sv_2mortal(newSVpvn((char *) args[i]->data, args[i]->len))); | |
| 661 } | |
| 662 } | |
| 663 | |
| 664 PUTBACK; | |
| 665 | |
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666 c = r->connection; |
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667 |
| 599 | 668 n = call_sv(sub, G_EVAL); |
| 669 | |
| 670 SPAGAIN; | |
| 671 | |
|
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672 if (c->destroyed) { |
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673 PUTBACK; |
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674 |
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675 FREETMPS; |
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676 LEAVE; |
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677 |
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678 return NGX_DONE; |
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679 } |
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680 |
| 599 | 681 if (n) { |
| 682 if (rv == NULL) { | |
| 683 status = POPi; | |
| 684 | |
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|
685 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
| 599 | 686 "call_sv: %d", status); |
| 687 | |
| 688 } else { | |
| 619 | 689 line = SvPVx(POPs, n_a); |
| 599 | 690 rv->len = n_a; |
| 691 | |
| 692 rv->data = ngx_palloc(r->pool, n_a); | |
| 693 if (rv->data == NULL) { | |
| 694 return NGX_ERROR; | |
| 695 } | |
| 696 | |
| 697 ngx_memcpy(rv->data, line, n_a); | |
| 698 } | |
| 699 } | |
| 700 | |
| 701 PUTBACK; | |
| 702 | |
| 703 FREETMPS; | |
| 704 LEAVE; | |
| 705 | |
| 706 /* check $@ */ | |
| 707 | |
| 708 if (SvTRUE(ERRSV)) { | |
| 709 | |
| 710 err.data = (u_char *) SvPV(ERRSV, len); | |
| 711 for (len--; err.data[len] == LF || err.data[len] == CR; len--) { | |
| 712 /* void */ | |
| 713 } | |
| 714 err.len = len + 1; | |
| 715 | |
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|
716 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
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|
717 "call_sv(\"%V\") failed: \"%V\"", handler, &err); |
| 599 | 718 |
| 719 if (rv) { | |
| 720 return NGX_ERROR; | |
| 721 } | |
| 722 | |
| 723 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 724 } | |
| 725 | |
| 726 if (n != 1) { | |
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|
727 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
| 599 | 728 "call_sv(\"%V\") returned %d results", handler, n); |
| 729 status = NGX_OK; | |
| 730 } | |
| 731 | |
| 732 if (rv) { | |
| 733 return NGX_OK; | |
| 734 } | |
| 735 | |
| 736 return (ngx_int_t) status; | |
| 737 } | |
| 738 | |
| 739 | |
| 740 static void | |
| 741 ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv) | |
| 742 { | |
| 623 | 743 u_char *p; |
| 744 | |
| 745 for (p = handler->data; *p; p++) { | |
| 746 if (*p != ' ' && *p != '\t' && *p != CR && *p != LF) { | |
| 747 break; | |
| 748 } | |
| 749 } | |
| 750 | |
| 649 | 751 if (ngx_strncmp(p, "sub ", 4) == 0 || ngx_strncmp(p, "use ", 4) == 0) { |
| 623 | 752 *sv = eval_pv((char *) p, FALSE); |
| 874 | 753 |
| 754 /* eval_pv() does not set ERRSV on failure */ | |
| 755 | |
| 599 | 756 return; |
| 757 } | |
| 758 | |
| 759 *sv = NULL; | |
| 760 } | |
| 761 | |
| 762 | |
| 763 static void * | |
| 764 ngx_http_perl_create_main_conf(ngx_conf_t *cf) | |
| 765 { | |
| 766 ngx_http_perl_main_conf_t *pmcf; | |
| 767 | |
| 768 pmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_main_conf_t)); | |
| 769 if (pmcf == NULL) { | |
| 770 return NGX_CONF_ERROR; | |
| 771 } | |
| 772 | |
| 773 if (ngx_array_init(&pmcf->requires, cf->pool, 1, sizeof(u_char *)) | |
| 774 != NGX_OK) | |
| 775 { | |
| 776 return NULL; | |
| 777 } | |
| 778 | |
| 779 return pmcf; | |
| 780 } | |
| 781 | |
| 782 | |
| 783 static char * | |
| 784 ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf) | |
| 785 { | |
| 786 ngx_http_perl_main_conf_t *pmcf = conf; | |
| 787 | |
| 788 if (pmcf->perl == NULL) { | |
| 789 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
| 790 return NGX_CONF_ERROR; | |
| 791 } | |
| 792 } | |
| 793 | |
| 794 return NGX_CONF_OK; | |
| 795 } | |
| 796 | |
| 797 | |
|
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
798 #if (NGX_HAVE_PERL_MULTIPLICITY) |
| 649 | 799 |
| 599 | 800 static void |
| 801 ngx_http_perl_cleanup_perl(void *data) | |
| 802 { | |
| 649 | 803 PerlInterpreter *perl = data; |
| 599 | 804 |
|
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changeset
|
805 PERL_SET_CONTEXT(perl); |
|
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changeset
|
806 |
| 599 | 807 (void) perl_destruct(perl); |
| 808 | |
| 809 perl_free(perl); | |
| 810 } | |
| 811 | |
| 649 | 812 #endif |
| 813 | |
| 814 | |
| 599 | 815 static ngx_int_t |
| 816 ngx_http_perl_preconfiguration(ngx_conf_t *cf) | |
| 817 { | |
| 617 | 818 #if (NGX_HTTP_SSI) |
| 599 | 819 ngx_int_t rc; |
| 820 ngx_http_ssi_main_conf_t *smcf; | |
| 821 | |
| 822 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module); | |
| 823 | |
| 824 rc = ngx_hash_add_key(&smcf->commands, &ngx_http_perl_ssi_command.name, | |
| 825 &ngx_http_perl_ssi_command, NGX_HASH_READONLY_KEY); | |
| 826 | |
| 827 if (rc != NGX_OK) { | |
| 828 if (rc == NGX_BUSY) { | |
| 829 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 830 "conflicting SSI command \"%V\"", | |
| 831 &ngx_http_perl_ssi_command.name); | |
| 832 } | |
| 833 | |
| 834 return NGX_ERROR; | |
| 835 } | |
| 617 | 836 #endif |
| 599 | 837 |
| 838 return NGX_OK; | |
| 839 } | |
| 840 | |
| 841 | |
| 842 static void * | |
| 843 ngx_http_perl_create_loc_conf(ngx_conf_t *cf) | |
| 844 { | |
| 845 ngx_http_perl_loc_conf_t *plcf; | |
| 846 | |
| 847 plcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_loc_conf_t)); | |
| 848 if (plcf == NULL) { | |
| 849 return NGX_CONF_ERROR; | |
| 850 } | |
| 851 | |
| 852 /* | |
| 853 * set by ngx_pcalloc(): | |
| 854 * | |
| 855 * plcf->handler = { 0, NULL }; | |
| 856 */ | |
| 857 | |
| 858 return plcf; | |
| 859 } | |
| 860 | |
| 861 | |
| 862 static char * | |
| 863 ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 864 { | |
| 865 ngx_http_perl_loc_conf_t *prev = parent; | |
| 866 ngx_http_perl_loc_conf_t *conf = child; | |
| 867 | |
| 868 if (conf->sub == NULL) { | |
| 869 conf->sub = prev->sub; | |
| 870 conf->handler = prev->handler; | |
| 871 } | |
| 872 | |
| 873 return NGX_CONF_OK; | |
| 874 } | |
| 875 | |
| 876 | |
| 877 static char * | |
| 878 ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 879 { | |
| 880 ngx_http_perl_main_conf_t *pmcf = conf; | |
| 881 | |
| 882 u_char **p; | |
| 883 ngx_str_t *value; | |
| 884 | |
| 885 value = cf->args->elts; | |
| 886 | |
| 887 p = ngx_array_push(&pmcf->requires); | |
| 888 | |
| 889 if (p == NULL) { | |
| 890 return NGX_CONF_ERROR; | |
| 891 } | |
| 892 | |
| 893 *p = value[1].data; | |
| 894 | |
| 895 return NGX_CONF_OK; | |
| 896 } | |
| 897 | |
| 898 | |
| 899 static char * | |
| 900 ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 901 { | |
| 902 ngx_http_perl_loc_conf_t *plcf = conf; | |
| 903 | |
| 904 ngx_str_t *value; | |
| 905 ngx_http_core_loc_conf_t *clcf; | |
| 906 ngx_http_perl_main_conf_t *pmcf; | |
| 907 | |
| 908 value = cf->args->elts; | |
| 909 | |
| 910 if (plcf->handler.data) { | |
| 911 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 912 "duplicate perl handler \"%V\"", &value[1]); | |
| 913 return NGX_CONF_ERROR; | |
| 914 } | |
| 915 | |
| 916 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
| 917 | |
| 918 if (pmcf->perl == NULL) { | |
| 919 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
| 920 return NGX_CONF_ERROR; | |
| 921 } | |
| 922 } | |
| 923 | |
| 924 plcf->handler = value[1]; | |
| 925 | |
| 926 { | |
| 927 | |
| 928 dTHXa(pmcf->perl); | |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
929 PERL_SET_CONTEXT(pmcf->perl); |
| 599 | 930 |
| 931 ngx_http_perl_eval_anon_sub(aTHX_ &value[1], &plcf->sub); | |
| 932 | |
| 933 if (plcf->sub == &PL_sv_undef) { | |
| 934 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
| 935 "eval_pv(\"%V\") failed", &value[1]); | |
| 936 return NGX_CONF_ERROR; | |
| 937 } | |
| 938 | |
| 939 if (plcf->sub == NULL) { | |
| 940 plcf->sub = newSVpvn((char *) value[1].data, value[1].len); | |
| 941 } | |
| 942 | |
| 943 } | |
| 944 | |
| 945 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
| 946 clcf->handler = ngx_http_perl_handler; | |
| 947 | |
| 948 return NGX_CONF_OK; | |
| 949 } | |
| 950 | |
| 951 | |
| 952 static char * | |
| 953 ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 954 { | |
| 955 ngx_int_t index; | |
| 956 ngx_str_t *value; | |
| 957 ngx_http_variable_t *v; | |
| 958 ngx_http_perl_variable_t *pv; | |
| 959 ngx_http_perl_main_conf_t *pmcf; | |
| 960 | |
| 961 value = cf->args->elts; | |
| 962 | |
| 963 if (value[1].data[0] != '$') { | |
| 964 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 965 "invalid variable name \"%V\"", &value[1]); | |
| 966 return NGX_CONF_ERROR; | |
| 967 } | |
| 968 | |
| 969 value[1].len--; | |
| 970 value[1].data++; | |
| 971 | |
| 1565 | 972 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGEABLE); |
| 599 | 973 if (v == NULL) { |
| 974 return NGX_CONF_ERROR; | |
| 975 } | |
| 976 | |
| 977 pv = ngx_palloc(cf->pool, sizeof(ngx_http_perl_variable_t)); | |
| 978 if (pv == NULL) { | |
| 979 return NGX_CONF_ERROR; | |
| 980 } | |
| 981 | |
| 982 index = ngx_http_get_variable_index(cf, &value[1]); | |
| 983 if (index == NGX_ERROR) { | |
| 984 return NGX_CONF_ERROR; | |
| 985 } | |
| 986 | |
| 987 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
| 988 | |
| 989 if (pmcf->perl == NULL) { | |
| 990 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
| 991 return NGX_CONF_ERROR; | |
| 992 } | |
| 993 } | |
| 994 | |
| 995 pv->handler = value[2]; | |
| 996 | |
| 997 { | |
| 998 | |
| 999 dTHXa(pmcf->perl); | |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
1000 PERL_SET_CONTEXT(pmcf->perl); |
| 599 | 1001 |
| 1002 ngx_http_perl_eval_anon_sub(aTHX_ &value[2], &pv->sub); | |
| 1003 | |
| 1004 if (pv->sub == &PL_sv_undef) { | |
| 1005 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
| 1006 "eval_pv(\"%V\") failed", &value[2]); | |
| 1007 return NGX_CONF_ERROR; | |
| 1008 } | |
| 1009 | |
| 1010 if (pv->sub == NULL) { | |
| 1011 pv->sub = newSVpvn((char *) value[2].data, value[2].len); | |
| 1012 } | |
| 1013 | |
| 1014 } | |
| 1015 | |
| 637 | 1016 v->get_handler = ngx_http_perl_variable; |
| 599 | 1017 v->data = (uintptr_t) pv; |
| 1018 | |
| 1019 return NGX_CONF_OK; | |
| 1020 } | |
|
1221
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Igor Sysoev <igor@sysoev.ru>
parents:
1165
diff
changeset
|
1021 |
|
aa653367028e
PERL_SYS_TERM() should be called once on exit only, this fixes the message
Igor Sysoev <igor@sysoev.ru>
parents:
1165
diff
changeset
|
1022 |
| 1257 | 1023 static ngx_int_t |
| 1024 ngx_http_perl_init_worker(ngx_cycle_t *cycle) | |
| 1025 { | |
|
1258
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parents:
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diff
changeset
|
1026 ngx_http_perl_main_conf_t *pmcf; |
|
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parents:
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diff
changeset
|
1027 |
|
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parents:
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diff
changeset
|
1028 pmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_perl_module); |
|
5076d97b9cf0
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1029 |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
1257
diff
changeset
|
1030 { |
|
5076d97b9cf0
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Igor Sysoev <igor@sysoev.ru>
parents:
1257
diff
changeset
|
1031 |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1032 dTHXa(pmcf->perl); |
|
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parents:
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diff
changeset
|
1033 PERL_SET_CONTEXT(pmcf->perl); |
|
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parents:
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diff
changeset
|
1034 |
| 1257 | 1035 /* set worker's $$ */ |
| 1036 | |
| 1037 sv_setiv(GvSV(gv_fetchpv("$", TRUE, SVt_PV)), (I32) ngx_pid); | |
| 1038 | |
|
1258
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Igor Sysoev <igor@sysoev.ru>
parents:
1257
diff
changeset
|
1039 } |
|
5076d97b9cf0
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Igor Sysoev <igor@sysoev.ru>
parents:
1257
diff
changeset
|
1040 |
| 1257 | 1041 return NGX_OK; |
| 1042 } | |
| 1043 | |
|
1221
aa653367028e
PERL_SYS_TERM() should be called once on exit only, this fixes the message
Igor Sysoev <igor@sysoev.ru>
parents:
1165
diff
changeset
|
1044 static void |
|
aa653367028e
PERL_SYS_TERM() should be called once on exit only, this fixes the message
Igor Sysoev <igor@sysoev.ru>
parents:
1165
diff
changeset
|
1045 ngx_http_perl_exit(ngx_cycle_t *cycle) |
|
aa653367028e
PERL_SYS_TERM() should be called once on exit only, this fixes the message
Igor Sysoev <igor@sysoev.ru>
parents:
1165
diff
changeset
|
1046 { |
|
aa653367028e
PERL_SYS_TERM() should be called once on exit only, this fixes the message
Igor Sysoev <igor@sysoev.ru>
parents:
1165
diff
changeset
|
1047 PERL_SYS_TERM(); |
|
aa653367028e
PERL_SYS_TERM() should be called once on exit only, this fixes the message
Igor Sysoev <igor@sysoev.ru>
parents:
1165
diff
changeset
|
1048 } |