Mercurial > hg > nginx
annotate src/http/ngx_http_script.c @ 2397:da6f70bb41f0
fix r2394
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Thu, 11 Dec 2008 06:38:14 +0000 |
| parents | fbff569bf456 |
| children | d3357bf23a5e |
| 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 { |
| 2393 | 433 u_char *p; |
| 507 | 434 ngx_http_script_copy_code_t *code; |
| 435 | |
| 509 | 436 code = (ngx_http_script_copy_code_t *) e->ip; |
| 437 | |
| 2393 | 438 p = e->pos; |
| 439 | |
| 509 | 440 if (!e->skip) { |
| 2393 | 441 e->pos = ngx_copy(p, e->ip + sizeof(ngx_http_script_copy_code_t), |
| 573 | 442 code->len); |
| 509 | 443 } |
| 507 | 444 |
| 509 | 445 e->ip += sizeof(ngx_http_script_copy_code_t) |
| 446 + ((code->len + sizeof(uintptr_t) - 1) & ~(sizeof(uintptr_t) - 1)); | |
| 507 | 447 |
| 2393 | 448 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
| 449 "http script copy: \"%*s\"", e->pos - p, p); | |
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450 } |
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451 |
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452 |
| 507 | 453 size_t |
| 509 | 454 ngx_http_script_copy_var_len_code(ngx_http_script_engine_t *e) |
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455 { |
| 507 | 456 ngx_http_variable_value_t *value; |
| 457 ngx_http_script_var_code_t *code; | |
| 458 | |
| 509 | 459 code = (ngx_http_script_var_code_t *) e->ip; |
| 507 | 460 |
| 509 | 461 e->ip += sizeof(ngx_http_script_var_code_t); |
| 507 | 462 |
| 573 | 463 if (e->flushed) { |
| 464 value = ngx_http_get_indexed_variable(e->request, code->index); | |
| 507 | 465 |
| 573 | 466 } else { |
| 467 value = ngx_http_get_flushed_variable(e->request, code->index); | |
| 468 } | |
| 469 | |
| 470 if (value && !value->not_found) { | |
| 471 return value->len; | |
| 507 | 472 } |
| 473 | |
| 553 | 474 return 0; |
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475 } |
| 479 | 476 |
| 477 | |
| 507 | 478 void |
| 509 | 479 ngx_http_script_copy_var_code(ngx_http_script_engine_t *e) |
| 479 | 480 { |
| 2393 | 481 u_char *p; |
| 507 | 482 ngx_http_variable_value_t *value; |
| 483 ngx_http_script_var_code_t *code; | |
| 484 | |
| 509 | 485 code = (ngx_http_script_var_code_t *) e->ip; |
| 486 | |
| 487 e->ip += sizeof(ngx_http_script_var_code_t); | |
| 488 | |
| 489 if (!e->skip) { | |
| 573 | 490 |
| 491 if (e->flushed) { | |
| 492 value = ngx_http_get_indexed_variable(e->request, code->index); | |
| 509 | 493 |
| 573 | 494 } else { |
| 495 value = ngx_http_get_flushed_variable(e->request, code->index); | |
| 496 } | |
| 497 | |
| 498 if (value && !value->not_found) { | |
| 2393 | 499 p = e->pos; |
| 500 e->pos = ngx_copy(p, value->data, value->len); | |
| 509 | 501 |
| 2393 | 502 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, |
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503 e->request->connection->log, 0, |
| 2393 | 504 "http script var: \"%*s\"", e->pos - p, p); |
| 509 | 505 } |
| 506 } | |
| 507 } | |
| 508 | |
| 509 | |
| 510 size_t | |
| 511 ngx_http_script_copy_capture_len_code(ngx_http_script_engine_t *e) | |
| 512 { | |
| 513 ngx_http_script_copy_capture_code_t *code; | |
| 514 | |
| 515 code = (ngx_http_script_copy_capture_code_t *) e->ip; | |
| 516 | |
| 517 e->ip += sizeof(ngx_http_script_copy_capture_code_t); | |
| 518 | |
| 515 | 519 if (code->n < e->ncaptures) { |
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520 if ((e->is_args || e->quote) |
| 515 | 521 && (e->request->quoted_uri || e->request->plus_in_uri)) |
| 522 { | |
| 523 return e->captures[code->n + 1] - e->captures[code->n] | |
| 655 | 524 + 2 * ngx_escape_uri(NULL, |
| 515 | 525 &e->line.data[e->captures[code->n]], |
| 509 | 526 e->captures[code->n + 1] - e->captures[code->n], |
| 527 NGX_ESCAPE_ARGS); | |
| 515 | 528 } else { |
| 529 return e->captures[code->n + 1] - e->captures[code->n]; | |
| 530 } | |
| 509 | 531 } |
| 515 | 532 |
| 533 return 0; | |
| 509 | 534 } |
| 535 | |
| 536 | |
| 537 void | |
| 538 ngx_http_script_copy_capture_code(ngx_http_script_engine_t *e) | |
| 539 { | |
| 2393 | 540 u_char *p; |
| 509 | 541 ngx_http_script_copy_capture_code_t *code; |
| 542 | |
| 543 code = (ngx_http_script_copy_capture_code_t *) e->ip; | |
| 544 | |
| 545 e->ip += sizeof(ngx_http_script_copy_capture_code_t); | |
| 507 | 546 |
| 2393 | 547 p = e->pos; |
| 548 | |
| 515 | 549 if (code->n < e->ncaptures) { |
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550 if ((e->is_args || e->quote) |
| 515 | 551 && (e->request->quoted_uri || e->request->plus_in_uri)) |
| 552 { | |
| 2393 | 553 e->pos = (u_char *) ngx_escape_uri(p, |
| 515 | 554 &e->line.data[e->captures[code->n]], |
| 509 | 555 e->captures[code->n + 1] - e->captures[code->n], |
| 556 NGX_ESCAPE_ARGS); | |
| 515 | 557 } else { |
| 2393 | 558 e->pos = ngx_copy(p, |
| 573 | 559 &e->line.data[e->captures[code->n]], |
| 560 e->captures[code->n + 1] - e->captures[code->n]); | |
| 515 | 561 } |
| 509 | 562 } |
| 563 | |
| 2393 | 564 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
| 565 "http script capture: \"%*s\"", e->pos - p, p); | |
| 509 | 566 } |
| 567 | |
| 568 | |
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569 size_t |
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570 ngx_http_script_mark_args_code(ngx_http_script_engine_t *e) |
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571 { |
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572 e->is_args = 1; |
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573 e->ip += sizeof(uintptr_t); |
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574 |
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575 return 1; |
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576 } |
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577 |
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578 |
| 509 | 579 void |
| 580 ngx_http_script_start_args_code(ngx_http_script_engine_t *e) | |
| 581 { | |
| 582 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 583 "http script args"); | |
| 577 | 584 |
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585 e->is_args = 1; |
| 509 | 586 e->args = e->pos; |
| 587 e->ip += sizeof(uintptr_t); | |
| 588 } | |
| 589 | |
| 590 | |
| 517 | 591 |
| 592 #if (NGX_PCRE) | |
| 593 | |
| 509 | 594 void |
| 595 ngx_http_script_regex_start_code(ngx_http_script_engine_t *e) | |
| 596 { | |
| 597 size_t len; | |
| 598 ngx_int_t rc; | |
| 599 ngx_uint_t n; | |
| 600 ngx_http_request_t *r; | |
| 601 ngx_http_script_engine_t le; | |
| 602 ngx_http_script_len_code_pt lcode; | |
| 603 ngx_http_script_regex_code_t *code; | |
| 604 | |
| 605 code = (ngx_http_script_regex_code_t *) e->ip; | |
| 606 | |
| 607 r = e->request; | |
| 608 | |
| 609 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 610 "http script regex: \"%V\"", &code->name); | |
| 611 | |
| 612 if (code->uri) { | |
| 515 | 613 e->line = r->uri; |
| 509 | 614 } else { |
| 615 e->sp--; | |
| 573 | 616 e->line.len = e->sp->len; |
| 617 e->line.data = e->sp->data; | |
| 509 | 618 } |
| 507 | 619 |
| 515 | 620 rc = ngx_regex_exec(code->regex, &e->line, e->captures, code->ncaptures); |
| 509 | 621 |
| 622 if (rc == NGX_REGEX_NO_MATCHED) { | |
| 2397 | 623 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
| 509 | 624 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
| 515 | 625 "\"%V\" does not match \"%V\"", |
| 626 &code->name, &e->line); | |
| 509 | 627 } |
| 628 | |
| 515 | 629 e->ncaptures = 0; |
| 630 | |
| 509 | 631 if (code->test) { |
| 631 | 632 if (code->negative_test) { |
| 633 e->sp->len = 1; | |
| 634 e->sp->data = (u_char *) "1"; | |
| 635 | |
| 636 } else { | |
| 637 e->sp->len = 0; | |
| 638 e->sp->data = (u_char *) ""; | |
| 639 } | |
| 640 | |
| 509 | 641 e->sp++; |
| 642 | |
| 643 e->ip += sizeof(ngx_http_script_regex_code_t); | |
| 644 return; | |
| 645 } | |
| 646 | |
| 647 e->ip += code->next; | |
| 648 return; | |
| 649 } | |
| 650 | |
| 651 if (rc < 0) { | |
| 652 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
| 653 ngx_regex_exec_n " failed: %d on \"%V\" using \"%V\"", | |
| 515 | 654 rc, &e->line, &code->name); |
| 509 | 655 |
| 656 e->ip = ngx_http_script_exit; | |
| 657 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 658 return; | |
| 659 } | |
| 660 | |
| 2397 | 661 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
| 509 | 662 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
| 515 | 663 "\"%V\" matches \"%V\"", &code->name, &e->line); |
| 509 | 664 } |
| 665 | |
| 515 | 666 e->ncaptures = code->ncaptures; |
| 667 | |
| 509 | 668 if (code->test) { |
| 631 | 669 if (code->negative_test) { |
| 670 e->sp->len = 0; | |
| 671 e->sp->data = (u_char *) ""; | |
| 672 | |
| 673 } else { | |
| 674 e->sp->len = 1; | |
| 675 e->sp->data = (u_char *) "1"; | |
| 676 } | |
| 677 | |
| 509 | 678 e->sp++; |
| 679 | |
| 680 e->ip += sizeof(ngx_http_script_regex_code_t); | |
| 681 return; | |
| 682 } | |
| 683 | |
| 684 if (code->status) { | |
| 685 e->status = code->status; | |
| 507 | 686 |
| 509 | 687 if (!code->redirect) { |
| 688 e->ip = ngx_http_script_exit; | |
| 689 return; | |
| 690 } | |
| 691 } | |
| 692 | |
| 693 if (code->uri) { | |
| 694 r->internal = 1; | |
| 695 r->valid_unparsed_uri = 0; | |
| 696 | |
| 697 if (code->break_cycle) { | |
| 698 r->valid_location = 0; | |
| 527 | 699 r->uri_changed = 0; |
| 509 | 700 |
| 701 } else { | |
| 702 r->uri_changed = 1; | |
| 703 } | |
| 704 } | |
| 705 | |
| 706 if (code->lengths == NULL) { | |
| 707 e->buf.len = code->size; | |
| 708 | |
| 709 if (code->uri) { | |
| 710 if (rc && (r->quoted_uri || r->plus_in_uri)) { | |
| 711 e->buf.len += 2 * ngx_escape_uri(NULL, r->uri.data, r->uri.len, | |
| 712 NGX_ESCAPE_ARGS); | |
| 713 } | |
| 714 } | |
| 715 | |
| 716 for (n = 1; n < (ngx_uint_t) rc; n++) { | |
| 717 e->buf.len += e->captures[2 * n + 1] - e->captures[2 * n]; | |
| 718 } | |
| 719 | |
| 720 } else { | |
| 721 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
| 722 | |
| 723 le.ip = code->lengths->elts; | |
| 679 | 724 le.line = e->line; |
| 509 | 725 le.request = r; |
| 726 le.captures = e->captures; | |
| 515 | 727 le.ncaptures = e->ncaptures; |
| 679 | 728 le.quote = code->redirect; |
| 509 | 729 |
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730 len = 0; |
| 509 | 731 |
| 732 while (*(uintptr_t *) le.ip) { | |
| 733 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 734 len += lcode(&le); | |
| 735 } | |
| 736 | |
| 737 e->buf.len = len; | |
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738 e->is_args = le.is_args; |
| 509 | 739 } |
| 740 | |
| 515 | 741 if (code->add_args && r->args.len) { |
| 509 | 742 e->buf.len += r->args.len + 1; |
| 743 } | |
| 744 | |
| 2049 | 745 e->buf.data = ngx_pnalloc(r->pool, e->buf.len); |
| 509 | 746 if (e->buf.data == NULL) { |
| 747 e->ip = ngx_http_script_exit; | |
| 748 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 507 | 749 return; |
| 750 } | |
| 751 | |
| 509 | 752 e->quote = code->redirect; |
| 753 | |
| 754 e->pos = e->buf.data; | |
| 755 | |
| 756 e->ip += sizeof(ngx_http_script_regex_code_t); | |
| 757 } | |
| 758 | |
| 759 | |
| 760 void | |
| 761 ngx_http_script_regex_end_code(ngx_http_script_engine_t *e) | |
| 762 { | |
| 577 | 763 u_char *dst, *src; |
| 509 | 764 ngx_http_request_t *r; |
| 765 ngx_http_script_regex_end_code_t *code; | |
| 766 | |
| 767 code = (ngx_http_script_regex_end_code_t *) e->ip; | |
| 768 | |
| 769 r = e->request; | |
| 770 | |
| 771 e->quote = 0; | |
| 772 | |
| 773 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 774 "http script regex end"); | |
| 775 | |
| 776 if (code->redirect) { | |
| 777 | |
| 577 | 778 dst = e->buf.data; |
| 779 src = e->buf.data; | |
| 780 | |
| 1593 | 781 ngx_unescape_uri(&dst, &src, e->pos - e->buf.data, |
| 782 NGX_UNESCAPE_REDIRECT); | |
| 577 | 783 |
| 784 if (src < e->pos) { | |
| 785 dst = ngx_copy(dst, src, e->pos - src); | |
| 786 } | |
| 787 | |
| 788 e->pos = dst; | |
| 789 | |
| 790 if (code->add_args && r->args.len) { | |
| 509 | 791 *e->pos++ = (u_char) (code->args ? '&' : '?'); |
| 573 | 792 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
| 509 | 793 } |
| 794 | |
| 795 e->buf.len = e->pos - e->buf.data; | |
| 796 | |
| 2397 | 797 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
| 509 | 798 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
| 799 "rewritten redirect: \"%V\"", &e->buf); | |
| 800 } | |
| 801 | |
| 802 r->headers_out.location = ngx_list_push(&r->headers_out.headers); | |
| 803 if (r->headers_out.location == NULL) { | |
| 804 e->ip = ngx_http_script_exit; | |
| 805 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 806 return; | |
| 807 } | |
| 808 | |
| 577 | 809 r->headers_out.location->hash = 1; |
| 509 | 810 r->headers_out.location->key.len = sizeof("Location") - 1; |
| 811 r->headers_out.location->key.data = (u_char *) "Location"; | |
| 812 r->headers_out.location->value = e->buf; | |
| 813 | |
| 814 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
| 815 return; | |
| 816 } | |
| 817 | |
| 577 | 818 if (e->args) { |
| 509 | 819 e->buf.len = e->args - e->buf.data; |
| 820 | |
| 821 if (code->add_args && r->args.len) { | |
| 822 *e->pos++ = '&'; | |
| 573 | 823 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
| 509 | 824 } |
| 825 | |
| 826 r->args.len = e->pos - e->args; | |
| 827 r->args.data = e->args; | |
| 828 | |
| 829 e->args = NULL; | |
| 830 | |
| 831 } else { | |
| 832 e->buf.len = e->pos - e->buf.data; | |
| 673 | 833 |
| 834 if (!code->add_args) { | |
| 835 r->args.len = 0; | |
| 836 } | |
| 509 | 837 } |
| 838 | |
| 2397 | 839 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
| 509 | 840 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
| 841 "rewritten data: \"%V\", args: \"%V\"", | |
| 842 &e->buf, &r->args); | |
| 843 } | |
| 844 | |
| 845 if (code->uri) { | |
| 846 r->uri = e->buf; | |
| 847 | |
| 535 | 848 if (r->uri.len == 0) { |
| 849 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 850 "the rewritten URI has a zero length"); | |
| 851 e->ip = ngx_http_script_exit; | |
| 852 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 853 return; | |
| 854 } | |
| 855 | |
| 509 | 856 if (ngx_http_set_exten(r) != NGX_OK) { |
| 857 e->ip = ngx_http_script_exit; | |
| 858 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 859 return; | |
| 860 } | |
| 861 } | |
| 862 | |
| 863 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
| 864 } | |
| 865 | |
| 517 | 866 #endif |
| 867 | |
| 509 | 868 |
| 869 void | |
| 870 ngx_http_script_return_code(ngx_http_script_engine_t *e) | |
| 577 | 871 { |
| 509 | 872 ngx_http_script_return_code_t *code; |
| 577 | 873 |
| 509 | 874 code = (ngx_http_script_return_code_t *) e->ip; |
| 875 | |
| 876 e->status = code->status; | |
| 877 | |
| 653 | 878 if (code->status == NGX_HTTP_NO_CONTENT) { |
| 879 e->request->header_only = 1; | |
|
730
1be87cdd010f
set "Content-Length: 0" for errors handled by "return 204"
Igor Sysoev <igor@sysoev.ru>
parents:
679
diff
changeset
|
880 e->request->zero_body = 1; |
| 653 | 881 } |
| 882 | |
| 509 | 883 e->ip += sizeof(ngx_http_script_return_code_t) - sizeof(uintptr_t); |
| 479 | 884 } |
| 509 | 885 |
| 886 | |
| 887 void | |
| 527 | 888 ngx_http_script_break_code(ngx_http_script_engine_t *e) |
| 889 { | |
| 890 e->request->uri_changed = 0; | |
| 891 | |
| 892 e->ip = ngx_http_script_exit; | |
| 893 } | |
| 894 | |
| 895 | |
| 896 void | |
| 509 | 897 ngx_http_script_if_code(ngx_http_script_engine_t *e) |
| 898 { | |
| 899 ngx_http_script_if_code_t *code; | |
| 900 | |
| 901 code = (ngx_http_script_if_code_t *) e->ip; | |
| 902 | |
| 903 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 904 "http script if"); | |
| 905 | |
| 906 e->sp--; | |
| 907 | |
| 573 | 908 if (e->sp->len && e->sp->data[0] != '0') { |
| 509 | 909 if (code->loc_conf) { |
| 910 e->request->loc_conf = code->loc_conf; | |
| 535 | 911 ngx_http_update_location_config(e->request); |
| 509 | 912 } |
| 913 | |
| 914 e->ip += sizeof(ngx_http_script_if_code_t); | |
| 915 return; | |
| 916 } | |
| 917 | |
| 918 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 577 | 919 "http script if: false"); |
| 509 | 920 |
| 921 e->ip += code->next; | |
| 922 } | |
| 923 | |
| 924 | |
| 925 void | |
| 577 | 926 ngx_http_script_equal_code(ngx_http_script_engine_t *e) |
| 927 { | |
| 928 ngx_http_variable_value_t *val, *res; | |
| 929 | |
| 930 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 931 "http script equal"); | |
| 932 | |
| 933 e->sp--; | |
| 934 val = e->sp; | |
| 935 res = e->sp - 1; | |
| 936 | |
| 937 e->ip += sizeof(uintptr_t); | |
| 938 | |
| 2393 | 939 if (val->len == res->len |
| 940 && ngx_strncmp(val->data, res->data, res->len) == 0) | |
| 577 | 941 { |
| 942 *res = ngx_http_variable_true_value; | |
| 943 return; | |
| 944 } | |
| 945 | |
| 946 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 947 "http script equal: no"); | |
| 948 | |
| 949 *res = ngx_http_variable_null_value; | |
| 950 } | |
| 951 | |
| 952 | |
| 953 void | |
| 954 ngx_http_script_not_equal_code(ngx_http_script_engine_t *e) | |
| 955 { | |
| 956 ngx_http_variable_value_t *val, *res; | |
| 957 | |
| 958 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 959 "http script not equal"); | |
| 960 | |
| 961 e->sp--; | |
| 962 val = e->sp; | |
| 963 res = e->sp - 1; | |
| 964 | |
| 965 e->ip += sizeof(uintptr_t); | |
| 966 | |
| 2393 | 967 if (val->len == res->len |
| 968 && ngx_strncmp(val->data, res->data, res->len) == 0) | |
| 577 | 969 { |
| 970 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 971 "http script not equal: no"); | |
| 972 | |
| 973 *res = ngx_http_variable_null_value; | |
| 974 return; | |
| 975 } | |
| 976 | |
| 977 *res = ngx_http_variable_true_value; | |
| 978 } | |
| 979 | |
| 980 | |
| 981 void | |
| 631 | 982 ngx_http_script_file_code(ngx_http_script_engine_t *e) |
| 983 { | |
| 1454 | 984 ngx_str_t path; |
| 985 ngx_http_request_t *r; | |
| 986 ngx_open_file_info_t of; | |
| 987 ngx_http_core_loc_conf_t *clcf; | |
| 631 | 988 ngx_http_variable_value_t *value; |
| 989 ngx_http_script_file_code_t *code; | |
| 990 | |
| 991 value = e->sp - 1; | |
| 992 | |
| 993 code = (ngx_http_script_file_code_t *) e->ip; | |
| 994 e->ip += sizeof(ngx_http_script_file_code_t); | |
| 995 | |
| 1454 | 996 path.len = value->len - 1; |
| 997 path.data = value->data; | |
| 998 | |
| 999 r = e->request; | |
| 1000 | |
| 1001 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1002 "http script file op %p \"%V\"", code->op, &path); | |
| 1003 | |
| 1004 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 631 | 1005 |
|
2068
75a8d34459c5
ngx_memzero() ngx_open_file_info_t
Igor Sysoev <igor@sysoev.ru>
parents:
2063
diff
changeset
|
1006 ngx_memzero(&of, sizeof(ngx_open_file_info_t)); |
|
75a8d34459c5
ngx_memzero() ngx_open_file_info_t
Igor Sysoev <igor@sysoev.ru>
parents:
2063
diff
changeset
|
1007 |
| 2129 | 1008 of.directio = clcf->directio; |
|
1767
c42431762903
open_file_cache_retest > open_file_cache_valid
Igor Sysoev <igor@sysoev.ru>
parents:
1593
diff
changeset
|
1009 of.valid = clcf->open_file_cache_valid; |
| 1772 | 1010 of.min_uses = clcf->open_file_cache_min_uses; |
| 1454 | 1011 of.errors = clcf->open_file_cache_errors; |
| 1457 | 1012 of.events = clcf->open_file_cache_events; |
| 631 | 1013 |
| 1454 | 1014 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) |
| 1799 | 1015 != NGX_OK) |
| 1454 | 1016 { |
| 1017 if (of.err != NGX_ENOENT && of.err != NGX_ENOTDIR) { | |
| 1018 ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err, | |
| 631 | 1019 ngx_file_info_n " \"%s\" failed", value->data); |
| 1020 } | |
| 1021 | |
| 1022 switch (code->op) { | |
| 671 | 1023 |
| 631 | 1024 case ngx_http_script_file_plain: |
| 669 | 1025 case ngx_http_script_file_dir: |
| 1026 case ngx_http_script_file_exists: | |
| 1027 case ngx_http_script_file_exec: | |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1028 goto false_value; |
| 671 | 1029 |
| 631 | 1030 case ngx_http_script_file_not_plain: |
| 669 | 1031 case ngx_http_script_file_not_dir: |
| 671 | 1032 case ngx_http_script_file_not_exists: |
| 669 | 1033 case ngx_http_script_file_not_exec: |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1034 goto true_value; |
| 631 | 1035 } |
| 1036 | |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1037 goto false_value; |
| 631 | 1038 } |
| 1039 | |
| 1040 switch (code->op) { | |
| 1041 case ngx_http_script_file_plain: | |
| 1454 | 1042 if (of.is_file) { |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1043 goto true_value; |
| 631 | 1044 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1045 goto false_value; |
| 631 | 1046 |
| 1047 case ngx_http_script_file_not_plain: | |
| 1454 | 1048 if (of.is_file) { |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1049 goto false_value; |
| 631 | 1050 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1051 goto true_value; |
| 669 | 1052 |
| 1053 case ngx_http_script_file_dir: | |
| 1454 | 1054 if (of.is_dir) { |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1055 goto true_value; |
| 669 | 1056 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1057 goto false_value; |
| 669 | 1058 |
| 1059 case ngx_http_script_file_not_dir: | |
| 1454 | 1060 if (of.is_dir) { |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1061 goto false_value; |
| 669 | 1062 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1063 goto true_value; |
| 669 | 1064 |
| 1065 case ngx_http_script_file_exists: | |
| 1454 | 1066 if (of.is_file || of.is_dir || of.is_link) { |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1067 goto true_value; |
| 669 | 1068 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1069 goto false_value; |
| 669 | 1070 |
| 1071 case ngx_http_script_file_not_exists: | |
| 1454 | 1072 if (of.is_file || of.is_dir || of.is_link) { |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1073 goto false_value; |
| 669 | 1074 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1075 goto true_value; |
| 669 | 1076 |
| 1077 case ngx_http_script_file_exec: | |
| 1454 | 1078 if (of.is_exec) { |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1079 goto true_value; |
| 669 | 1080 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1081 goto false_value; |
| 669 | 1082 |
| 1083 case ngx_http_script_file_not_exec: | |
| 1454 | 1084 if (of.is_exec) { |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1085 goto false_value; |
| 669 | 1086 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1087 goto true_value; |
| 631 | 1088 } |
| 1089 | |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1090 false_value: |
| 631 | 1091 |
| 1454 | 1092 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 631 | 1093 "http script file op false"); |
| 1094 | |
| 1095 *value = ngx_http_variable_null_value; | |
| 1096 return; | |
| 1097 | |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1098 true_value: |
| 631 | 1099 |
| 1100 *value = ngx_http_variable_true_value; | |
| 1101 return; | |
| 1102 } | |
| 1103 | |
| 1104 | |
| 1105 void | |
| 515 | 1106 ngx_http_script_complex_value_code(ngx_http_script_engine_t *e) |
| 1107 { | |
| 1108 size_t len; | |
| 1109 ngx_http_script_engine_t le; | |
| 1110 ngx_http_script_len_code_pt lcode; | |
| 1111 ngx_http_script_complex_value_code_t *code; | |
| 1112 | |
| 1113 code = (ngx_http_script_complex_value_code_t *) e->ip; | |
| 1114 | |
| 1115 e->ip += sizeof(ngx_http_script_complex_value_code_t); | |
| 1116 | |
| 1117 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1118 "http script complex value"); | |
| 1119 | |
| 1120 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
| 1121 | |
| 1122 le.ip = code->lengths->elts; | |
| 655 | 1123 le.line = e->line; |
| 515 | 1124 le.request = e->request; |
| 1125 le.captures = e->captures; | |
| 1126 le.ncaptures = e->ncaptures; | |
| 655 | 1127 le.quote = e->quote; |
| 515 | 1128 |
| 1129 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) { | |
| 1130 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 1131 } | |
| 1132 | |
| 1133 e->buf.len = len; | |
| 2049 | 1134 e->buf.data = ngx_pnalloc(e->request->pool, len); |
| 515 | 1135 if (e->buf.data == NULL) { |
| 1136 e->ip = ngx_http_script_exit; | |
| 1137 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 1138 return; | |
| 1139 } | |
| 1140 | |
| 1141 e->pos = e->buf.data; | |
| 1142 | |
| 577 | 1143 e->sp->len = e->buf.len; |
| 573 | 1144 e->sp->data = e->buf.data; |
| 515 | 1145 e->sp++; |
| 1146 } | |
| 1147 | |
| 1148 | |
| 1149 void | |
| 509 | 1150 ngx_http_script_value_code(ngx_http_script_engine_t *e) |
| 1151 { | |
| 1152 ngx_http_script_value_code_t *code; | |
| 1153 | |
| 1154 code = (ngx_http_script_value_code_t *) e->ip; | |
| 1155 | |
| 1156 e->ip += sizeof(ngx_http_script_value_code_t); | |
| 1157 | |
| 573 | 1158 e->sp->len = code->text_len; |
| 1159 e->sp->data = (u_char *) code->text_data; | |
| 577 | 1160 |
| 1161 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1561 | 1162 "http script value: \"%v\"", e->sp); |
| 577 | 1163 |
| 509 | 1164 e->sp++; |
| 1165 } | |
| 1166 | |
| 1167 | |
| 1168 void | |
| 1169 ngx_http_script_set_var_code(ngx_http_script_engine_t *e) | |
| 1170 { | |
| 1171 ngx_http_request_t *r; | |
| 1172 ngx_http_script_var_code_t *code; | |
| 1173 | |
| 1174 code = (ngx_http_script_var_code_t *) e->ip; | |
| 1175 | |
| 1176 e->ip += sizeof(ngx_http_script_var_code_t); | |
| 1177 | |
| 1178 r = e->request; | |
| 1179 | |
| 1180 e->sp--; | |
| 1181 | |
| 573 | 1182 r->variables[code->index].len = e->sp->len; |
| 1183 r->variables[code->index].valid = 1; | |
| 1565 | 1184 r->variables[code->index].no_cacheable = 0; |
| 573 | 1185 r->variables[code->index].not_found = 0; |
| 1186 r->variables[code->index].data = e->sp->data; | |
| 2393 | 1187 |
| 1188 #if (NGX_DEBUG) | |
| 1189 { | |
| 1190 ngx_http_variable_t *v; | |
| 1191 ngx_http_core_main_conf_t *cmcf; | |
| 1192 | |
| 1193 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 1194 | |
| 1195 v = cmcf->variables.elts; | |
| 1196 | |
| 1197 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1198 "http script set $%V", &v[code->index].name); | |
| 1199 } | |
| 1200 #endif | |
| 509 | 1201 } |
| 1202 | |
| 1203 | |
| 1204 void | |
| 637 | 1205 ngx_http_script_var_set_handler_code(ngx_http_script_engine_t *e) |
| 1206 { | |
| 1207 ngx_http_script_var_handler_code_t *code; | |
| 1208 | |
| 1209 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1210 "http script set var handler"); | |
| 1211 | |
| 1212 code = (ngx_http_script_var_handler_code_t *) e->ip; | |
| 1213 | |
| 1214 e->ip += sizeof(ngx_http_script_var_handler_code_t); | |
| 1215 | |
| 1216 e->sp--; | |
| 1217 | |
| 1218 code->handler(e->request, e->sp, code->data); | |
| 1219 } | |
| 1220 | |
| 1221 | |
| 1222 void | |
| 509 | 1223 ngx_http_script_var_code(ngx_http_script_engine_t *e) |
| 1224 { | |
| 1225 ngx_http_variable_value_t *value; | |
| 1226 ngx_http_script_var_code_t *code; | |
| 1227 | |
| 1228 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1229 "http script var"); | |
| 1230 | |
| 1231 code = (ngx_http_script_var_code_t *) e->ip; | |
| 1232 | |
| 1233 e->ip += sizeof(ngx_http_script_var_code_t); | |
| 1234 | |
| 573 | 1235 value = ngx_http_get_flushed_variable(e->request, code->index); |
| 509 | 1236 |
| 573 | 1237 if (value && !value->not_found) { |
| 1238 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
|
1406
03341711f9a2
use %v for ngx_variable_value_t in ngx_sprintf(),
Igor Sysoev <igor@sysoev.ru>
parents:
1152
diff
changeset
|
1239 "http script var: \"%v\"", value); |
| 573 | 1240 |
| 553 | 1241 *e->sp = *value; |
| 509 | 1242 e->sp++; |
| 1243 | |
| 1244 return; | |
| 1245 } | |
| 1246 | |
| 577 | 1247 *e->sp = ngx_http_variable_null_value; |
| 509 | 1248 e->sp++; |
| 1249 } | |
| 1250 | |
| 1251 | |
| 1252 void | |
| 1253 ngx_http_script_nop_code(ngx_http_script_engine_t *e) | |
| 1254 { | |
| 1255 e->ip += sizeof(uintptr_t); | |
| 1256 } |