Mercurial > hg > nginx
annotate src/http/ngx_http_script.c @ 2068:75a8d34459c5
ngx_memzero() ngx_open_file_info_t
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Thu, 26 Jun 2008 14:07:59 +0000 |
| parents | 67a29af877ed |
| children | 25add486e7aa |
| rev | line source |
|---|---|
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_http.h> |
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11 |
| 509 | 12 #define ngx_http_script_exit (u_char *) &ngx_http_script_exit_code |
| 13 | |
| 14 static uintptr_t ngx_http_script_exit_code = (uintptr_t) NULL; | |
| 15 | |
| 16 | |
| 17 ngx_uint_t | |
| 18 ngx_http_script_variables_count(ngx_str_t *value) | |
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19 { |
| 509 | 20 ngx_uint_t i, n; |
| 507 | 21 |
| 509 | 22 for (n = 0, i = 0; i < value->len; i++) { |
| 23 if (value->data[i] == '$') { | |
| 24 n++; | |
| 25 } | |
| 507 | 26 } |
| 27 | |
| 509 | 28 return n; |
| 29 } | |
| 30 | |
| 31 | |
| 32 ngx_int_t | |
| 33 ngx_http_script_compile(ngx_http_script_compile_t *sc) | |
| 34 { | |
| 35 u_char ch; | |
| 36 size_t size; | |
| 573 | 37 ngx_int_t index, *p; |
| 509 | 38 ngx_str_t name; |
| 39 uintptr_t *code; | |
| 40 ngx_uint_t i, n, bracket; | |
| 41 ngx_http_script_var_code_t *var_code; | |
| 42 ngx_http_script_copy_code_t *copy; | |
| 43 ngx_http_script_copy_capture_code_t *copy_capture; | |
| 44 | |
| 573 | 45 if (sc->flushes && *sc->flushes == NULL) { |
| 46 n = sc->variables ? sc->variables : 1; | |
| 47 *sc->flushes = ngx_array_create(sc->cf->pool, n, sizeof(ngx_uint_t)); | |
| 48 if (*sc->flushes == NULL) { | |
| 49 return NGX_ERROR; | |
| 50 } | |
| 51 } | |
| 52 | |
| 53 | |
| 509 | 54 if (*sc->lengths == NULL) { |
| 55 n = sc->variables * (2 * sizeof(ngx_http_script_copy_code_t) | |
| 56 + sizeof(ngx_http_script_var_code_t)) | |
| 57 + sizeof(uintptr_t); | |
| 58 | |
| 59 *sc->lengths = ngx_array_create(sc->cf->pool, n, 1); | |
| 60 if (*sc->lengths == NULL) { | |
| 61 return NGX_ERROR; | |
| 62 } | |
| 63 } | |
| 64 | |
| 65 | |
| 66 if (*sc->values == NULL) { | |
| 67 n = (sc->variables * (2 * sizeof(ngx_http_script_copy_code_t) | |
| 68 + sizeof(ngx_http_script_var_code_t)) | |
| 69 + sizeof(uintptr_t) | |
| 70 + sc->source->len | |
| 71 + sizeof(uintptr_t) - 1) | |
| 72 & ~(sizeof(uintptr_t) - 1); | |
| 73 | |
| 74 *sc->values = ngx_array_create(sc->cf->pool, n, 1); | |
| 75 if (*sc->values == NULL) { | |
| 507 | 76 return NGX_ERROR; |
| 77 } | |
| 78 } | |
| 79 | |
| 509 | 80 sc->variables = 0; |
| 81 | |
| 82 for (i = 0; i < sc->source->len; /* void */ ) { | |
| 83 | |
| 84 name.len = 0; | |
| 85 | |
| 86 if (sc->source->data[i] == '$') { | |
| 87 | |
| 88 if (++i == sc->source->len) { | |
| 89 goto invalid_variable; | |
| 90 } | |
| 91 | |
| 92 if (sc->source->data[i] >= '1' && sc->source->data[i] <= '9') { | |
| 93 | |
| 641 | 94 n = sc->source->data[i] - '0'; |
| 95 | |
| 96 if (sc->captures_mask & (1 << n)) { | |
| 97 sc->dup_capture = 1; | |
| 98 } | |
| 99 | |
| 100 sc->captures_mask |= 1 << n; | |
| 101 | |
| 509 | 102 copy_capture = ngx_http_script_add_code(*sc->lengths, |
| 103 sizeof(ngx_http_script_copy_capture_code_t), | |
| 104 NULL); | |
| 105 if (copy_capture == NULL) { | |
| 106 return NGX_ERROR; | |
| 107 } | |
| 108 | |
| 109 copy_capture->code = (ngx_http_script_code_pt) | |
| 110 ngx_http_script_copy_capture_len_code; | |
| 641 | 111 copy_capture->n = 2 * n; |
| 112 | |
| 509 | 113 |
| 114 copy_capture = ngx_http_script_add_code(*sc->values, | |
| 115 sizeof(ngx_http_script_copy_capture_code_t), | |
| 116 &sc->main); | |
| 117 if (copy_capture == NULL) { | |
| 118 return NGX_ERROR; | |
| 119 } | |
| 120 | |
| 121 copy_capture->code = ngx_http_script_copy_capture_code; | |
| 641 | 122 copy_capture->n = 2 * n; |
| 509 | 123 |
| 641 | 124 if (sc->ncaptures < n) { |
| 125 sc->ncaptures = n; | |
| 509 | 126 } |
| 127 | |
| 128 i++; | |
| 129 | |
| 130 continue; | |
| 131 } | |
| 132 | |
| 133 if (sc->source->data[i] == '{') { | |
| 134 bracket = 1; | |
| 135 | |
| 136 if (++i == sc->source->len) { | |
| 137 goto invalid_variable; | |
| 138 } | |
| 139 | |
| 140 name.data = &sc->source->data[i]; | |
| 141 | |
| 142 } else { | |
| 143 bracket = 0; | |
| 144 name.data = &sc->source->data[i]; | |
| 145 } | |
| 146 | |
| 147 for ( /* void */ ; i < sc->source->len; i++, name.len++) { | |
| 148 ch = sc->source->data[i]; | |
| 507 | 149 |
| 509 | 150 if (ch == '}' && bracket) { |
| 151 i++; | |
| 152 bracket = 0; | |
| 153 break; | |
| 154 } | |
| 155 | |
| 156 if ((ch >= 'A' && ch <= 'Z') | |
| 157 || (ch >= 'a' && ch <= 'z') | |
| 158 || (ch >= '0' && ch <= '9') | |
| 159 || ch == '_') | |
| 160 { | |
| 161 continue; | |
| 162 } | |
| 163 | |
| 164 break; | |
| 165 } | |
| 166 | |
| 167 if (bracket) { | |
| 168 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, | |
| 169 "the closing bracket in \"%V\" " | |
| 170 "variable is missing", &name); | |
| 507 | 171 return NGX_ERROR; |
| 172 } | |
| 173 | |
| 509 | 174 if (name.len == 0) { |
| 175 goto invalid_variable; | |
| 176 } | |
| 507 | 177 |
| 509 | 178 sc->variables++; |
| 507 | 179 |
| 509 | 180 index = ngx_http_get_variable_index(sc->cf, &name); |
| 181 | |
| 182 if (index == NGX_ERROR) { | |
| 507 | 183 return NGX_ERROR; |
| 184 } | |
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185 |
| 573 | 186 if (sc->flushes) { |
| 187 p = ngx_array_push(*sc->flushes); | |
| 188 if (p == NULL) { | |
| 189 return NGX_ERROR; | |
| 190 } | |
| 191 | |
| 192 *p = index; | |
| 193 } | |
| 194 | |
| 509 | 195 var_code = ngx_http_script_add_code(*sc->lengths, |
| 196 sizeof(ngx_http_script_var_code_t), | |
| 197 NULL); | |
| 507 | 198 if (var_code == NULL) { |
| 199 return NGX_ERROR; | |
| 200 } | |
| 201 | |
| 202 var_code->code = (ngx_http_script_code_pt) | |
| 509 | 203 ngx_http_script_copy_var_len_code; |
| 204 var_code->index = (uintptr_t) index; | |
| 507 | 205 |
| 206 | |
| 509 | 207 var_code = ngx_http_script_add_code(*sc->values, |
| 208 sizeof(ngx_http_script_var_code_t), | |
| 209 &sc->main); | |
| 507 | 210 if (var_code == NULL) { |
| 211 return NGX_ERROR; | |
| 212 } | |
| 213 | |
| 509 | 214 var_code->code = ngx_http_script_copy_var_code; |
| 215 var_code->index = (uintptr_t) index; | |
| 216 | |
| 217 continue; | |
| 218 } | |
| 507 | 219 |
| 509 | 220 if (sc->source->data[i] == '?' && sc->compile_args) { |
| 221 sc->args = 1; | |
| 222 sc->compile_args = 0; | |
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223 |
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224 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), |
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225 NULL); |
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226 if (code == NULL) { |
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227 return NGX_ERROR; |
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228 } |
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229 |
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230 *code = (uintptr_t) ngx_http_script_mark_args_code; |
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231 |
| 509 | 232 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t), |
| 233 &sc->main); | |
| 234 if (code == NULL) { | |
| 507 | 235 return NGX_ERROR; |
| 236 } | |
| 237 | |
| 509 | 238 *code = (uintptr_t) ngx_http_script_start_args_code; |
| 239 | |
| 240 i++; | |
| 241 | |
| 507 | 242 continue; |
| 243 } | |
| 244 | |
| 509 | 245 name.data = &sc->source->data[i]; |
| 246 | |
| 247 while (i < sc->source->len | |
| 248 && sc->source->data[i] != '$' | |
| 249 && !(sc->source->data[i] == '?' && sc->compile_args)) | |
| 250 { | |
| 251 i++; | |
| 252 name.len++; | |
| 253 } | |
| 254 | |
| 255 sc->size += name.len; | |
| 256 | |
| 257 copy = ngx_http_script_add_code(*sc->lengths, | |
| 258 sizeof(ngx_http_script_copy_code_t), | |
| 259 NULL); | |
| 260 if (copy == NULL) { | |
| 507 | 261 return NGX_ERROR; |
| 262 } | |
| 509 | 263 |
| 264 copy->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code; | |
| 265 copy->len = name.len; | |
| 266 | |
| 267 size = (sizeof(ngx_http_script_copy_code_t) + name.len | |
| 268 + sizeof(uintptr_t) - 1) | |
| 269 & ~(sizeof(uintptr_t) - 1); | |
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270 |
| 509 | 271 copy = ngx_http_script_add_code(*sc->values, size, &sc->main); |
| 272 if (copy == NULL) { | |
| 273 return NGX_ERROR; | |
| 274 } | |
| 275 | |
| 276 copy->code = ngx_http_script_copy_code; | |
| 277 copy->len = name.len; | |
| 278 | |
| 279 ngx_memcpy((u_char *) copy + sizeof(ngx_http_script_copy_code_t), | |
| 280 name.data, name.len); | |
| 507 | 281 } |
| 282 | |
| 509 | 283 if (sc->complete_lengths) { |
| 284 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), NULL); | |
| 285 if (code == NULL) { | |
| 286 return NGX_ERROR; | |
| 287 } | |
| 507 | 288 |
| 509 | 289 *code = (uintptr_t) NULL; |
| 507 | 290 } |
| 291 | |
| 509 | 292 if (sc->complete_values) { |
| 293 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t), | |
| 294 &sc->main); | |
| 295 if (code == NULL) { | |
| 296 return NGX_ERROR; | |
| 297 } | |
| 298 | |
| 299 *code = (uintptr_t) NULL; | |
| 300 } | |
| 507 | 301 |
| 302 return NGX_OK; | |
| 509 | 303 |
| 304 invalid_variable: | |
| 305 | |
| 306 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, "invalid variable name"); | |
| 307 | |
| 308 return NGX_ERROR; | |
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309 } |
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310 |
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311 |
| 623 | 312 u_char * |
| 313 ngx_http_script_run(ngx_http_request_t *r, ngx_str_t *value, | |
| 314 void *code_lengths, size_t len, void *code_values) | |
| 315 { | |
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316 ngx_uint_t i; |
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317 ngx_http_script_code_pt code; |
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318 ngx_http_script_len_code_pt lcode; |
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319 ngx_http_script_engine_t e; |
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320 ngx_http_core_main_conf_t *cmcf; |
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321 |
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322 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); |
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323 |
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324 for (i = 0; i < cmcf->variables.nelts; i++) { |
| 1565 | 325 if (r->variables[i].no_cacheable) { |
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326 r->variables[i].valid = 0; |
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327 r->variables[i].not_found = 0; |
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328 } |
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329 } |
| 623 | 330 |
| 331 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); | |
| 332 | |
| 333 e.ip = code_lengths; | |
| 334 e.request = r; | |
| 335 e.flushed = 1; | |
| 336 | |
| 337 while (*(uintptr_t *) e.ip) { | |
| 338 lcode = *(ngx_http_script_len_code_pt *) e.ip; | |
| 339 len += lcode(&e); | |
| 340 } | |
| 341 | |
| 342 | |
| 343 value->len = len; | |
| 2049 | 344 value->data = ngx_pnalloc(r->pool, len); |
| 623 | 345 if (value->data == NULL) { |
| 346 return NULL; | |
| 347 } | |
| 348 | |
| 349 e.ip = code_values; | |
| 350 e.pos = value->data; | |
| 351 | |
| 352 while (*(uintptr_t *) e.ip) { | |
| 353 code = *(ngx_http_script_code_pt *) e.ip; | |
| 354 code((ngx_http_script_engine_t *) &e); | |
| 355 } | |
| 356 | |
| 357 return e.pos; | |
| 358 } | |
| 359 | |
| 360 | |
| 573 | 361 void |
| 1565 | 362 ngx_http_script_flush_no_cacheable_variables(ngx_http_request_t *r, |
| 573 | 363 ngx_array_t *indices) |
| 364 { | |
| 365 ngx_uint_t n, *index; | |
| 366 | |
| 367 if (indices) { | |
| 368 index = indices->elts; | |
| 369 for (n = 0; n < indices->nelts; n++) { | |
| 1565 | 370 if (r->variables[index[n]].no_cacheable) { |
| 573 | 371 r->variables[index[n]].valid = 0; |
| 372 r->variables[index[n]].not_found = 0; | |
| 373 } | |
| 374 } | |
| 375 } | |
| 376 } | |
| 377 | |
| 378 | |
| 509 | 379 void * |
| 507 | 380 ngx_http_script_start_code(ngx_pool_t *pool, ngx_array_t **codes, size_t size) |
| 479 | 381 { |
| 507 | 382 if (*codes == NULL) { |
| 383 *codes = ngx_array_create(pool, 256, 1); | |
| 384 if (*codes == NULL) { | |
| 385 return NULL; | |
| 386 } | |
| 387 } | |
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388 |
| 507 | 389 return ngx_array_push_n(*codes, size); |
| 390 } | |
| 391 | |
| 509 | 392 |
| 393 void * | |
| 394 ngx_http_script_add_code(ngx_array_t *codes, size_t size, void *code) | |
| 395 { | |
| 396 u_char *elts, **p; | |
| 397 void *new; | |
| 398 | |
| 399 elts = codes->elts; | |
| 400 | |
| 401 new = ngx_array_push_n(codes, size); | |
| 402 if (new == NULL) { | |
| 403 return NGX_CONF_ERROR; | |
| 404 } | |
| 405 | |
| 406 if (code) { | |
| 407 if (elts != codes->elts) { | |
| 408 p = code; | |
| 409 *p += (u_char *) codes->elts - elts; | |
| 410 } | |
| 411 } | |
| 412 | |
| 413 return new; | |
| 414 } | |
| 507 | 415 |
| 479 | 416 |
| 507 | 417 size_t |
| 509 | 418 ngx_http_script_copy_len_code(ngx_http_script_engine_t *e) |
| 507 | 419 { |
| 420 ngx_http_script_copy_code_t *code; | |
| 479 | 421 |
| 509 | 422 code = (ngx_http_script_copy_code_t *) e->ip; |
| 507 | 423 |
| 509 | 424 e->ip += sizeof(ngx_http_script_copy_code_t); |
| 507 | 425 |
| 426 return code->len; | |
|
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427 } |
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428 |
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429 |
| 507 | 430 void |
| 509 | 431 ngx_http_script_copy_code(ngx_http_script_engine_t *e) |
|
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432 { |
| 507 | 433 ngx_http_script_copy_code_t *code; |
| 434 | |
| 509 | 435 code = (ngx_http_script_copy_code_t *) e->ip; |
| 436 | |
| 437 if (!e->skip) { | |
| 573 | 438 e->pos = ngx_copy(e->pos, e->ip + sizeof(ngx_http_script_copy_code_t), |
| 439 code->len); | |
| 509 | 440 } |
| 507 | 441 |
| 509 | 442 e->ip += sizeof(ngx_http_script_copy_code_t) |
| 443 + ((code->len + sizeof(uintptr_t) - 1) & ~(sizeof(uintptr_t) - 1)); | |
| 507 | 444 |
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445 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
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446 "http script copy: \"%V\"", &e->buf); |
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447 } |
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448 |
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449 |
| 507 | 450 size_t |
| 509 | 451 ngx_http_script_copy_var_len_code(ngx_http_script_engine_t *e) |
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452 { |
| 507 | 453 ngx_http_variable_value_t *value; |
| 454 ngx_http_script_var_code_t *code; | |
| 455 | |
| 509 | 456 code = (ngx_http_script_var_code_t *) e->ip; |
| 507 | 457 |
| 509 | 458 e->ip += sizeof(ngx_http_script_var_code_t); |
| 507 | 459 |
| 573 | 460 if (e->flushed) { |
| 461 value = ngx_http_get_indexed_variable(e->request, code->index); | |
| 507 | 462 |
| 573 | 463 } else { |
| 464 value = ngx_http_get_flushed_variable(e->request, code->index); | |
| 465 } | |
| 466 | |
| 467 if (value && !value->not_found) { | |
| 468 return value->len; | |
| 507 | 469 } |
| 470 | |
| 553 | 471 return 0; |
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472 } |
| 479 | 473 |
| 474 | |
| 507 | 475 void |
| 509 | 476 ngx_http_script_copy_var_code(ngx_http_script_engine_t *e) |
| 479 | 477 { |
| 507 | 478 ngx_http_variable_value_t *value; |
| 479 ngx_http_script_var_code_t *code; | |
| 480 | |
| 509 | 481 code = (ngx_http_script_var_code_t *) e->ip; |
| 482 | |
| 483 e->ip += sizeof(ngx_http_script_var_code_t); | |
| 484 | |
| 485 if (!e->skip) { | |
| 573 | 486 |
| 487 if (e->flushed) { | |
| 488 value = ngx_http_get_indexed_variable(e->request, code->index); | |
| 509 | 489 |
| 573 | 490 } else { |
| 491 value = ngx_http_get_flushed_variable(e->request, code->index); | |
| 492 } | |
| 493 | |
| 494 if (value && !value->not_found) { | |
| 495 e->pos = ngx_copy(e->pos, value->data, value->len); | |
| 509 | 496 |
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497 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, |
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498 e->request->connection->log, 0, |
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499 "http script var: \"%V\"", &e->buf); |
| 509 | 500 } |
| 501 } | |
| 502 } | |
| 503 | |
| 504 | |
| 505 size_t | |
| 506 ngx_http_script_copy_capture_len_code(ngx_http_script_engine_t *e) | |
| 507 { | |
| 508 ngx_http_script_copy_capture_code_t *code; | |
| 509 | |
| 510 code = (ngx_http_script_copy_capture_code_t *) e->ip; | |
| 511 | |
| 512 e->ip += sizeof(ngx_http_script_copy_capture_code_t); | |
| 513 | |
| 515 | 514 if (code->n < e->ncaptures) { |
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515 if ((e->is_args || e->quote) |
| 515 | 516 && (e->request->quoted_uri || e->request->plus_in_uri)) |
| 517 { | |
| 518 return e->captures[code->n + 1] - e->captures[code->n] | |
| 655 | 519 + 2 * ngx_escape_uri(NULL, |
| 515 | 520 &e->line.data[e->captures[code->n]], |
| 509 | 521 e->captures[code->n + 1] - e->captures[code->n], |
| 522 NGX_ESCAPE_ARGS); | |
| 515 | 523 } else { |
| 524 return e->captures[code->n + 1] - e->captures[code->n]; | |
| 525 } | |
| 509 | 526 } |
| 515 | 527 |
| 528 return 0; | |
| 509 | 529 } |
| 530 | |
| 531 | |
| 532 void | |
| 533 ngx_http_script_copy_capture_code(ngx_http_script_engine_t *e) | |
| 534 { | |
| 535 ngx_http_script_copy_capture_code_t *code; | |
| 536 | |
| 537 code = (ngx_http_script_copy_capture_code_t *) e->ip; | |
| 538 | |
| 539 e->ip += sizeof(ngx_http_script_copy_capture_code_t); | |
| 507 | 540 |
| 515 | 541 if (code->n < e->ncaptures) { |
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542 if ((e->is_args || e->quote) |
| 515 | 543 && (e->request->quoted_uri || e->request->plus_in_uri)) |
| 544 { | |
| 545 e->pos = (u_char *) ngx_escape_uri(e->pos, | |
| 546 &e->line.data[e->captures[code->n]], | |
| 509 | 547 e->captures[code->n + 1] - e->captures[code->n], |
| 548 NGX_ESCAPE_ARGS); | |
| 515 | 549 } else { |
| 573 | 550 e->pos = ngx_copy(e->pos, |
| 551 &e->line.data[e->captures[code->n]], | |
| 552 e->captures[code->n + 1] - e->captures[code->n]); | |
| 515 | 553 } |
| 509 | 554 } |
| 555 | |
| 556 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 557 "http script capture: \"%V\"", &e->buf); | |
| 558 } | |
| 559 | |
| 560 | |
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561 size_t |
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562 ngx_http_script_mark_args_code(ngx_http_script_engine_t *e) |
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563 { |
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564 e->is_args = 1; |
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565 e->ip += sizeof(uintptr_t); |
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566 |
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567 return 1; |
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568 } |
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569 |
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570 |
| 509 | 571 void |
| 572 ngx_http_script_start_args_code(ngx_http_script_engine_t *e) | |
| 573 { | |
| 574 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 575 "http script args"); | |
| 577 | 576 |
| 509 | 577 e->args = e->pos; |
| 578 e->ip += sizeof(uintptr_t); | |
| 579 } | |
| 580 | |
| 581 | |
| 517 | 582 |
| 583 #if (NGX_PCRE) | |
| 584 | |
| 509 | 585 void |
| 586 ngx_http_script_regex_start_code(ngx_http_script_engine_t *e) | |
| 587 { | |
| 588 size_t len; | |
| 589 ngx_int_t rc; | |
| 590 ngx_uint_t n; | |
| 591 ngx_http_request_t *r; | |
| 592 ngx_http_script_engine_t le; | |
| 593 ngx_http_script_len_code_pt lcode; | |
| 594 ngx_http_script_regex_code_t *code; | |
| 595 | |
| 596 code = (ngx_http_script_regex_code_t *) e->ip; | |
| 597 | |
| 598 r = e->request; | |
| 599 | |
| 600 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 601 "http script regex: \"%V\"", &code->name); | |
| 602 | |
| 603 if (code->uri) { | |
| 515 | 604 e->line = r->uri; |
| 509 | 605 } else { |
| 606 e->sp--; | |
| 573 | 607 e->line.len = e->sp->len; |
| 608 e->line.data = e->sp->data; | |
| 509 | 609 } |
| 507 | 610 |
| 515 | 611 rc = ngx_regex_exec(code->regex, &e->line, e->captures, code->ncaptures); |
| 509 | 612 |
| 613 if (rc == NGX_REGEX_NO_MATCHED) { | |
| 614 if (e->log) { | |
| 615 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, | |
| 515 | 616 "\"%V\" does not match \"%V\"", |
| 617 &code->name, &e->line); | |
| 509 | 618 } |
| 619 | |
| 515 | 620 e->ncaptures = 0; |
| 621 | |
| 509 | 622 if (code->test) { |
| 631 | 623 if (code->negative_test) { |
| 624 e->sp->len = 1; | |
| 625 e->sp->data = (u_char *) "1"; | |
| 626 | |
| 627 } else { | |
| 628 e->sp->len = 0; | |
| 629 e->sp->data = (u_char *) ""; | |
| 630 } | |
| 631 | |
| 509 | 632 e->sp++; |
| 633 | |
| 634 e->ip += sizeof(ngx_http_script_regex_code_t); | |
| 635 return; | |
| 636 } | |
| 637 | |
| 638 e->ip += code->next; | |
| 639 return; | |
| 640 } | |
| 641 | |
| 642 if (rc < 0) { | |
| 643 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
| 644 ngx_regex_exec_n " failed: %d on \"%V\" using \"%V\"", | |
| 515 | 645 rc, &e->line, &code->name); |
| 509 | 646 |
| 647 e->ip = ngx_http_script_exit; | |
| 648 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 649 return; | |
| 650 } | |
| 651 | |
| 652 if (e->log) { | |
| 653 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, | |
| 515 | 654 "\"%V\" matches \"%V\"", &code->name, &e->line); |
| 509 | 655 } |
| 656 | |
| 515 | 657 e->ncaptures = code->ncaptures; |
| 658 | |
| 509 | 659 if (code->test) { |
| 631 | 660 if (code->negative_test) { |
| 661 e->sp->len = 0; | |
| 662 e->sp->data = (u_char *) ""; | |
| 663 | |
| 664 } else { | |
| 665 e->sp->len = 1; | |
| 666 e->sp->data = (u_char *) "1"; | |
| 667 } | |
| 668 | |
| 509 | 669 e->sp++; |
| 670 | |
| 671 e->ip += sizeof(ngx_http_script_regex_code_t); | |
| 672 return; | |
| 673 } | |
| 674 | |
| 675 if (code->status) { | |
| 676 e->status = code->status; | |
| 507 | 677 |
| 509 | 678 if (!code->redirect) { |
| 679 e->ip = ngx_http_script_exit; | |
| 680 return; | |
| 681 } | |
| 682 } | |
| 683 | |
| 684 if (code->uri) { | |
| 685 r->internal = 1; | |
| 686 r->valid_unparsed_uri = 0; | |
| 687 | |
| 688 if (code->break_cycle) { | |
| 689 r->valid_location = 0; | |
| 527 | 690 r->uri_changed = 0; |
| 509 | 691 |
| 692 } else { | |
| 693 r->uri_changed = 1; | |
| 694 } | |
| 695 } | |
| 696 | |
| 697 if (code->lengths == NULL) { | |
| 698 e->buf.len = code->size; | |
| 699 | |
| 700 if (code->uri) { | |
| 701 if (rc && (r->quoted_uri || r->plus_in_uri)) { | |
| 702 e->buf.len += 2 * ngx_escape_uri(NULL, r->uri.data, r->uri.len, | |
| 703 NGX_ESCAPE_ARGS); | |
| 704 } | |
| 705 } | |
| 706 | |
| 707 for (n = 1; n < (ngx_uint_t) rc; n++) { | |
| 708 e->buf.len += e->captures[2 * n + 1] - e->captures[2 * n]; | |
| 709 } | |
| 710 | |
| 711 } else { | |
| 712 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
| 713 | |
| 714 le.ip = code->lengths->elts; | |
| 679 | 715 le.line = e->line; |
| 509 | 716 le.request = r; |
| 717 le.captures = e->captures; | |
| 515 | 718 le.ncaptures = e->ncaptures; |
| 679 | 719 le.quote = code->redirect; |
| 509 | 720 |
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721 len = 0; |
| 509 | 722 |
| 723 while (*(uintptr_t *) le.ip) { | |
| 724 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 725 len += lcode(&le); | |
| 726 } | |
| 727 | |
| 728 e->buf.len = len; | |
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729 e->is_args = le.is_args; |
| 509 | 730 } |
| 731 | |
| 515 | 732 if (code->add_args && r->args.len) { |
| 509 | 733 e->buf.len += r->args.len + 1; |
| 734 } | |
| 735 | |
| 2049 | 736 e->buf.data = ngx_pnalloc(r->pool, e->buf.len); |
| 509 | 737 if (e->buf.data == NULL) { |
| 738 e->ip = ngx_http_script_exit; | |
| 739 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 507 | 740 return; |
| 741 } | |
| 742 | |
| 509 | 743 e->quote = code->redirect; |
| 744 | |
| 745 e->pos = e->buf.data; | |
| 746 | |
| 747 e->ip += sizeof(ngx_http_script_regex_code_t); | |
| 748 } | |
| 749 | |
| 750 | |
| 751 void | |
| 752 ngx_http_script_regex_end_code(ngx_http_script_engine_t *e) | |
| 753 { | |
| 577 | 754 u_char *dst, *src; |
| 509 | 755 ngx_http_request_t *r; |
| 756 ngx_http_script_regex_end_code_t *code; | |
| 757 | |
| 758 code = (ngx_http_script_regex_end_code_t *) e->ip; | |
| 759 | |
| 760 r = e->request; | |
| 761 | |
| 762 e->quote = 0; | |
| 763 | |
| 764 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 765 "http script regex end"); | |
| 766 | |
| 767 if (code->redirect) { | |
| 768 | |
| 577 | 769 dst = e->buf.data; |
| 770 src = e->buf.data; | |
| 771 | |
| 1593 | 772 ngx_unescape_uri(&dst, &src, e->pos - e->buf.data, |
| 773 NGX_UNESCAPE_REDIRECT); | |
| 577 | 774 |
| 775 if (src < e->pos) { | |
| 776 dst = ngx_copy(dst, src, e->pos - src); | |
| 777 } | |
| 778 | |
| 779 e->pos = dst; | |
| 780 | |
| 781 if (code->add_args && r->args.len) { | |
| 509 | 782 *e->pos++ = (u_char) (code->args ? '&' : '?'); |
| 573 | 783 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
| 509 | 784 } |
| 785 | |
| 786 e->buf.len = e->pos - e->buf.data; | |
| 787 | |
| 788 if (e->log) { | |
| 789 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, | |
| 790 "rewritten redirect: \"%V\"", &e->buf); | |
| 791 } | |
| 792 | |
| 793 r->headers_out.location = ngx_list_push(&r->headers_out.headers); | |
| 794 if (r->headers_out.location == NULL) { | |
| 795 e->ip = ngx_http_script_exit; | |
| 796 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 797 return; | |
| 798 } | |
| 799 | |
| 577 | 800 r->headers_out.location->hash = 1; |
| 509 | 801 r->headers_out.location->key.len = sizeof("Location") - 1; |
| 802 r->headers_out.location->key.data = (u_char *) "Location"; | |
| 803 r->headers_out.location->value = e->buf; | |
| 804 | |
| 805 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
| 806 return; | |
| 807 } | |
| 808 | |
| 577 | 809 if (e->args) { |
| 509 | 810 e->buf.len = e->args - e->buf.data; |
| 811 | |
| 812 if (code->add_args && r->args.len) { | |
| 813 *e->pos++ = '&'; | |
| 573 | 814 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
| 509 | 815 } |
| 816 | |
| 817 r->args.len = e->pos - e->args; | |
| 818 r->args.data = e->args; | |
| 819 | |
| 820 e->args = NULL; | |
| 821 | |
| 822 } else { | |
| 823 e->buf.len = e->pos - e->buf.data; | |
| 673 | 824 |
| 825 if (!code->add_args) { | |
| 826 r->args.len = 0; | |
| 827 } | |
| 509 | 828 } |
| 829 | |
| 830 if (e->log) { | |
| 831 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, | |
| 832 "rewritten data: \"%V\", args: \"%V\"", | |
| 833 &e->buf, &r->args); | |
| 834 } | |
| 835 | |
| 836 if (code->uri) { | |
| 837 r->uri = e->buf; | |
| 838 | |
| 535 | 839 if (r->uri.len == 0) { |
| 840 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 841 "the rewritten URI has a zero length"); | |
| 842 e->ip = ngx_http_script_exit; | |
| 843 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 844 return; | |
| 845 } | |
| 846 | |
| 509 | 847 if (ngx_http_set_exten(r) != NGX_OK) { |
| 848 e->ip = ngx_http_script_exit; | |
| 849 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 850 return; | |
| 851 } | |
| 852 } | |
| 853 | |
| 854 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
| 855 } | |
| 856 | |
| 517 | 857 #endif |
| 858 | |
| 509 | 859 |
| 860 void | |
| 861 ngx_http_script_return_code(ngx_http_script_engine_t *e) | |
| 577 | 862 { |
| 509 | 863 ngx_http_script_return_code_t *code; |
| 577 | 864 |
| 509 | 865 code = (ngx_http_script_return_code_t *) e->ip; |
| 866 | |
| 867 e->status = code->status; | |
| 868 | |
| 653 | 869 if (code->status == NGX_HTTP_NO_CONTENT) { |
| 870 e->request->header_only = 1; | |
|
730
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set "Content-Length: 0" for errors handled by "return 204"
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parents:
679
diff
changeset
|
871 e->request->zero_body = 1; |
| 653 | 872 } |
| 873 | |
| 509 | 874 e->ip += sizeof(ngx_http_script_return_code_t) - sizeof(uintptr_t); |
| 479 | 875 } |
| 509 | 876 |
| 877 | |
| 878 void | |
| 527 | 879 ngx_http_script_break_code(ngx_http_script_engine_t *e) |
| 880 { | |
| 881 e->request->uri_changed = 0; | |
| 882 | |
| 883 e->ip = ngx_http_script_exit; | |
| 884 } | |
| 885 | |
| 886 | |
| 887 void | |
| 509 | 888 ngx_http_script_if_code(ngx_http_script_engine_t *e) |
| 889 { | |
| 890 ngx_http_script_if_code_t *code; | |
| 891 | |
| 892 code = (ngx_http_script_if_code_t *) e->ip; | |
| 893 | |
| 894 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 895 "http script if"); | |
| 896 | |
| 897 e->sp--; | |
| 898 | |
| 573 | 899 if (e->sp->len && e->sp->data[0] != '0') { |
| 509 | 900 if (code->loc_conf) { |
| 901 e->request->loc_conf = code->loc_conf; | |
| 535 | 902 ngx_http_update_location_config(e->request); |
| 509 | 903 } |
| 904 | |
| 905 e->ip += sizeof(ngx_http_script_if_code_t); | |
| 906 return; | |
| 907 } | |
| 908 | |
| 909 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 577 | 910 "http script if: false"); |
| 509 | 911 |
| 912 e->ip += code->next; | |
| 913 } | |
| 914 | |
| 915 | |
| 916 void | |
| 577 | 917 ngx_http_script_equal_code(ngx_http_script_engine_t *e) |
| 918 { | |
| 919 ngx_http_variable_value_t *val, *res; | |
| 920 | |
| 921 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 922 "http script equal"); | |
| 923 | |
| 924 e->sp--; | |
| 925 val = e->sp; | |
| 926 res = e->sp - 1; | |
| 927 | |
| 928 e->ip += sizeof(uintptr_t); | |
| 929 | |
| 930 if (val->len == res->len && ngx_strncmp(val->data, res->data, res->len) | |
| 931 == 0) | |
| 932 { | |
| 933 *res = ngx_http_variable_true_value; | |
| 934 return; | |
| 935 } | |
| 936 | |
| 937 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 938 "http script equal: no"); | |
| 939 | |
| 940 *res = ngx_http_variable_null_value; | |
| 941 } | |
| 942 | |
| 943 | |
| 944 void | |
| 945 ngx_http_script_not_equal_code(ngx_http_script_engine_t *e) | |
| 946 { | |
| 947 ngx_http_variable_value_t *val, *res; | |
| 948 | |
| 949 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 950 "http script not equal"); | |
| 951 | |
| 952 e->sp--; | |
| 953 val = e->sp; | |
| 954 res = e->sp - 1; | |
| 955 | |
| 956 e->ip += sizeof(uintptr_t); | |
| 957 | |
| 958 if (val->len == res->len && ngx_strncmp(val->data, res->data, res->len) | |
| 959 == 0) | |
| 960 { | |
| 961 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 962 "http script not equal: no"); | |
| 963 | |
| 964 *res = ngx_http_variable_null_value; | |
| 965 return; | |
| 966 } | |
| 967 | |
| 968 *res = ngx_http_variable_true_value; | |
| 969 } | |
| 970 | |
| 971 | |
| 972 void | |
| 631 | 973 ngx_http_script_file_code(ngx_http_script_engine_t *e) |
| 974 { | |
| 1454 | 975 ngx_str_t path; |
| 976 ngx_http_request_t *r; | |
| 977 ngx_open_file_info_t of; | |
| 978 ngx_http_core_loc_conf_t *clcf; | |
| 631 | 979 ngx_http_variable_value_t *value; |
| 980 ngx_http_script_file_code_t *code; | |
| 981 | |
| 982 value = e->sp - 1; | |
| 983 | |
| 984 code = (ngx_http_script_file_code_t *) e->ip; | |
| 985 e->ip += sizeof(ngx_http_script_file_code_t); | |
| 986 | |
| 1454 | 987 path.len = value->len - 1; |
| 988 path.data = value->data; | |
| 989 | |
| 990 r = e->request; | |
| 991 | |
| 992 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 993 "http script file op %p \"%V\"", code->op, &path); | |
| 994 | |
| 995 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 631 | 996 |
|
2068
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parents:
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changeset
|
997 ngx_memzero(&of, sizeof(ngx_open_file_info_t)); |
|
75a8d34459c5
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parents:
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diff
changeset
|
998 |
|
1767
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open_file_cache_retest > open_file_cache_valid
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parents:
1593
diff
changeset
|
999 of.valid = clcf->open_file_cache_valid; |
| 1772 | 1000 of.min_uses = clcf->open_file_cache_min_uses; |
| 1454 | 1001 of.errors = clcf->open_file_cache_errors; |
| 1457 | 1002 of.events = clcf->open_file_cache_events; |
| 631 | 1003 |
| 1454 | 1004 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) |
| 1799 | 1005 != NGX_OK) |
| 1454 | 1006 { |
| 1007 if (of.err != NGX_ENOENT && of.err != NGX_ENOTDIR) { | |
| 1008 ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err, | |
| 631 | 1009 ngx_file_info_n " \"%s\" failed", value->data); |
| 1010 } | |
| 1011 | |
| 1012 switch (code->op) { | |
| 671 | 1013 |
| 631 | 1014 case ngx_http_script_file_plain: |
| 669 | 1015 case ngx_http_script_file_dir: |
| 1016 case ngx_http_script_file_exists: | |
| 1017 case ngx_http_script_file_exec: | |
| 631 | 1018 goto false; |
| 671 | 1019 |
| 631 | 1020 case ngx_http_script_file_not_plain: |
| 669 | 1021 case ngx_http_script_file_not_dir: |
| 671 | 1022 case ngx_http_script_file_not_exists: |
| 669 | 1023 case ngx_http_script_file_not_exec: |
| 631 | 1024 goto true; |
| 1025 } | |
| 1026 | |
| 1027 goto false; | |
| 1028 } | |
| 1029 | |
| 1030 switch (code->op) { | |
| 1031 case ngx_http_script_file_plain: | |
| 1454 | 1032 if (of.is_file) { |
| 631 | 1033 goto true; |
| 1034 } | |
| 1035 goto false; | |
| 1036 | |
| 1037 case ngx_http_script_file_not_plain: | |
| 1454 | 1038 if (of.is_file) { |
| 631 | 1039 goto false; |
| 1040 } | |
| 1041 goto true; | |
| 669 | 1042 |
| 1043 case ngx_http_script_file_dir: | |
| 1454 | 1044 if (of.is_dir) { |
| 669 | 1045 goto true; |
| 1046 } | |
| 1047 goto false; | |
| 1048 | |
| 1049 case ngx_http_script_file_not_dir: | |
| 1454 | 1050 if (of.is_dir) { |
| 669 | 1051 goto false; |
| 1052 } | |
| 1053 goto true; | |
| 1054 | |
| 1055 case ngx_http_script_file_exists: | |
| 1454 | 1056 if (of.is_file || of.is_dir || of.is_link) { |
| 669 | 1057 goto true; |
| 1058 } | |
| 1059 goto false; | |
| 1060 | |
| 1061 case ngx_http_script_file_not_exists: | |
| 1454 | 1062 if (of.is_file || of.is_dir || of.is_link) { |
| 669 | 1063 goto false; |
| 1064 } | |
| 1065 goto true; | |
| 1066 | |
| 1067 case ngx_http_script_file_exec: | |
| 1454 | 1068 if (of.is_exec) { |
| 669 | 1069 goto true; |
| 1070 } | |
| 1071 goto false; | |
| 1072 | |
| 1073 case ngx_http_script_file_not_exec: | |
| 1454 | 1074 if (of.is_exec) { |
| 669 | 1075 goto false; |
| 1076 } | |
| 1077 goto true; | |
| 631 | 1078 } |
| 1079 | |
| 1080 false: | |
| 1081 | |
| 1454 | 1082 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 631 | 1083 "http script file op false"); |
| 1084 | |
| 1085 *value = ngx_http_variable_null_value; | |
| 1086 return; | |
| 1087 | |
| 1088 true: | |
| 1089 | |
| 1090 *value = ngx_http_variable_true_value; | |
| 1091 return; | |
| 1092 } | |
| 1093 | |
| 1094 | |
| 1095 void | |
| 515 | 1096 ngx_http_script_complex_value_code(ngx_http_script_engine_t *e) |
| 1097 { | |
| 1098 size_t len; | |
| 1099 ngx_http_script_engine_t le; | |
| 1100 ngx_http_script_len_code_pt lcode; | |
| 1101 ngx_http_script_complex_value_code_t *code; | |
| 1102 | |
| 1103 code = (ngx_http_script_complex_value_code_t *) e->ip; | |
| 1104 | |
| 1105 e->ip += sizeof(ngx_http_script_complex_value_code_t); | |
| 1106 | |
| 1107 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1108 "http script complex value"); | |
| 1109 | |
| 1110 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
| 1111 | |
| 1112 le.ip = code->lengths->elts; | |
| 655 | 1113 le.line = e->line; |
| 515 | 1114 le.request = e->request; |
| 1115 le.captures = e->captures; | |
| 1116 le.ncaptures = e->ncaptures; | |
| 655 | 1117 le.quote = e->quote; |
| 515 | 1118 |
| 1119 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) { | |
| 1120 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 1121 } | |
| 1122 | |
| 1123 e->buf.len = len; | |
| 2049 | 1124 e->buf.data = ngx_pnalloc(e->request->pool, len); |
| 515 | 1125 if (e->buf.data == NULL) { |
| 1126 e->ip = ngx_http_script_exit; | |
| 1127 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 1128 return; | |
| 1129 } | |
| 1130 | |
| 1131 e->pos = e->buf.data; | |
| 1132 | |
| 577 | 1133 e->sp->len = e->buf.len; |
| 573 | 1134 e->sp->data = e->buf.data; |
| 515 | 1135 e->sp++; |
| 1136 } | |
| 1137 | |
| 1138 | |
| 1139 void | |
| 509 | 1140 ngx_http_script_value_code(ngx_http_script_engine_t *e) |
| 1141 { | |
| 1142 ngx_http_script_value_code_t *code; | |
| 1143 | |
| 1144 code = (ngx_http_script_value_code_t *) e->ip; | |
| 1145 | |
| 1146 e->ip += sizeof(ngx_http_script_value_code_t); | |
| 1147 | |
| 573 | 1148 e->sp->len = code->text_len; |
| 1149 e->sp->data = (u_char *) code->text_data; | |
| 577 | 1150 |
| 1151 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1561 | 1152 "http script value: \"%v\"", e->sp); |
| 577 | 1153 |
| 509 | 1154 e->sp++; |
| 1155 } | |
| 1156 | |
| 1157 | |
| 1158 void | |
| 1159 ngx_http_script_set_var_code(ngx_http_script_engine_t *e) | |
| 1160 { | |
| 1161 ngx_http_request_t *r; | |
| 1162 ngx_http_script_var_code_t *code; | |
| 1163 | |
| 1164 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1165 "http script set var"); | |
| 1166 | |
| 1167 code = (ngx_http_script_var_code_t *) e->ip; | |
| 1168 | |
| 1169 e->ip += sizeof(ngx_http_script_var_code_t); | |
| 1170 | |
| 1171 r = e->request; | |
| 1172 | |
| 1173 e->sp--; | |
| 1174 | |
| 573 | 1175 r->variables[code->index].len = e->sp->len; |
| 1176 r->variables[code->index].valid = 1; | |
| 1565 | 1177 r->variables[code->index].no_cacheable = 0; |
| 573 | 1178 r->variables[code->index].not_found = 0; |
| 1179 r->variables[code->index].data = e->sp->data; | |
| 509 | 1180 } |
| 1181 | |
| 1182 | |
| 1183 void | |
| 637 | 1184 ngx_http_script_var_set_handler_code(ngx_http_script_engine_t *e) |
| 1185 { | |
| 1186 ngx_http_script_var_handler_code_t *code; | |
| 1187 | |
| 1188 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1189 "http script set var handler"); | |
| 1190 | |
| 1191 code = (ngx_http_script_var_handler_code_t *) e->ip; | |
| 1192 | |
| 1193 e->ip += sizeof(ngx_http_script_var_handler_code_t); | |
| 1194 | |
| 1195 e->sp--; | |
| 1196 | |
| 1197 code->handler(e->request, e->sp, code->data); | |
| 1198 } | |
| 1199 | |
| 1200 | |
| 1201 void | |
| 509 | 1202 ngx_http_script_var_code(ngx_http_script_engine_t *e) |
| 1203 { | |
| 1204 ngx_http_variable_value_t *value; | |
| 1205 ngx_http_script_var_code_t *code; | |
| 1206 | |
| 1207 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1208 "http script var"); | |
| 1209 | |
| 1210 code = (ngx_http_script_var_code_t *) e->ip; | |
| 1211 | |
| 1212 e->ip += sizeof(ngx_http_script_var_code_t); | |
| 1213 | |
| 573 | 1214 value = ngx_http_get_flushed_variable(e->request, code->index); |
| 509 | 1215 |
| 573 | 1216 if (value && !value->not_found) { |
| 1217 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
|
1406
03341711f9a2
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Igor Sysoev <igor@sysoev.ru>
parents:
1152
diff
changeset
|
1218 "http script var: \"%v\"", value); |
| 573 | 1219 |
| 553 | 1220 *e->sp = *value; |
| 509 | 1221 e->sp++; |
| 1222 | |
| 1223 return; | |
| 1224 } | |
| 1225 | |
| 577 | 1226 *e->sp = ngx_http_variable_null_value; |
| 509 | 1227 e->sp++; |
| 1228 } | |
| 1229 | |
| 1230 | |
| 1231 void | |
| 1232 ngx_http_script_nop_code(ngx_http_script_engine_t *e) | |
| 1233 { | |
| 1234 e->ip += sizeof(uintptr_t); | |
| 1235 } |