Mercurial > hg > nginx
annotate src/http/ngx_http_script.c @ 2498:d3357bf23a5e
fix /?new=arg?old=arg redirect case
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Tue, 10 Feb 2009 16:03:42 +0000 |
| parents | da6f70bb41f0 |
| children | 912ce4113f21 |
| 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 | |
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247 while (i < sc->source->len) { |
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248 |
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249 if (sc->source->data[i] == '$') { |
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250 break; |
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251 } |
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252 |
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253 if (sc->source->data[i] == '?') { |
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254 |
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255 sc->args = 1; |
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256 |
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257 if (sc->compile_args) { |
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258 break; |
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259 } |
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260 } |
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261 |
| 509 | 262 i++; |
| 263 name.len++; | |
| 264 } | |
| 265 | |
| 266 sc->size += name.len; | |
| 267 | |
| 268 copy = ngx_http_script_add_code(*sc->lengths, | |
| 269 sizeof(ngx_http_script_copy_code_t), | |
| 270 NULL); | |
| 271 if (copy == NULL) { | |
| 507 | 272 return NGX_ERROR; |
| 273 } | |
| 509 | 274 |
| 275 copy->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code; | |
| 276 copy->len = name.len; | |
| 277 | |
| 278 size = (sizeof(ngx_http_script_copy_code_t) + name.len | |
| 279 + sizeof(uintptr_t) - 1) | |
| 280 & ~(sizeof(uintptr_t) - 1); | |
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281 |
| 509 | 282 copy = ngx_http_script_add_code(*sc->values, size, &sc->main); |
| 283 if (copy == NULL) { | |
| 284 return NGX_ERROR; | |
| 285 } | |
| 286 | |
| 287 copy->code = ngx_http_script_copy_code; | |
| 288 copy->len = name.len; | |
| 289 | |
| 290 ngx_memcpy((u_char *) copy + sizeof(ngx_http_script_copy_code_t), | |
| 291 name.data, name.len); | |
| 507 | 292 } |
| 293 | |
| 509 | 294 if (sc->complete_lengths) { |
| 295 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), NULL); | |
| 296 if (code == NULL) { | |
| 297 return NGX_ERROR; | |
| 298 } | |
| 507 | 299 |
| 509 | 300 *code = (uintptr_t) NULL; |
| 507 | 301 } |
| 302 | |
| 509 | 303 if (sc->complete_values) { |
| 304 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t), | |
| 305 &sc->main); | |
| 306 if (code == NULL) { | |
| 307 return NGX_ERROR; | |
| 308 } | |
| 309 | |
| 310 *code = (uintptr_t) NULL; | |
| 311 } | |
| 507 | 312 |
| 313 return NGX_OK; | |
| 509 | 314 |
| 315 invalid_variable: | |
| 316 | |
| 317 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, "invalid variable name"); | |
| 318 | |
| 319 return NGX_ERROR; | |
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320 } |
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321 |
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322 |
| 623 | 323 u_char * |
| 324 ngx_http_script_run(ngx_http_request_t *r, ngx_str_t *value, | |
| 325 void *code_lengths, size_t len, void *code_values) | |
| 326 { | |
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327 ngx_uint_t i; |
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328 ngx_http_script_code_pt code; |
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329 ngx_http_script_len_code_pt lcode; |
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330 ngx_http_script_engine_t e; |
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331 ngx_http_core_main_conf_t *cmcf; |
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332 |
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333 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); |
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334 |
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335 for (i = 0; i < cmcf->variables.nelts; i++) { |
| 1565 | 336 if (r->variables[i].no_cacheable) { |
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337 r->variables[i].valid = 0; |
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338 r->variables[i].not_found = 0; |
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339 } |
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340 } |
| 623 | 341 |
| 342 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); | |
| 343 | |
| 344 e.ip = code_lengths; | |
| 345 e.request = r; | |
| 346 e.flushed = 1; | |
| 347 | |
| 348 while (*(uintptr_t *) e.ip) { | |
| 349 lcode = *(ngx_http_script_len_code_pt *) e.ip; | |
| 350 len += lcode(&e); | |
| 351 } | |
| 352 | |
| 353 | |
| 354 value->len = len; | |
| 2049 | 355 value->data = ngx_pnalloc(r->pool, len); |
| 623 | 356 if (value->data == NULL) { |
| 357 return NULL; | |
| 358 } | |
| 359 | |
| 360 e.ip = code_values; | |
| 361 e.pos = value->data; | |
| 362 | |
| 363 while (*(uintptr_t *) e.ip) { | |
| 364 code = *(ngx_http_script_code_pt *) e.ip; | |
| 365 code((ngx_http_script_engine_t *) &e); | |
| 366 } | |
| 367 | |
| 368 return e.pos; | |
| 369 } | |
| 370 | |
| 371 | |
| 573 | 372 void |
| 1565 | 373 ngx_http_script_flush_no_cacheable_variables(ngx_http_request_t *r, |
| 573 | 374 ngx_array_t *indices) |
| 375 { | |
| 376 ngx_uint_t n, *index; | |
| 377 | |
| 378 if (indices) { | |
| 379 index = indices->elts; | |
| 380 for (n = 0; n < indices->nelts; n++) { | |
| 1565 | 381 if (r->variables[index[n]].no_cacheable) { |
| 573 | 382 r->variables[index[n]].valid = 0; |
| 383 r->variables[index[n]].not_found = 0; | |
| 384 } | |
| 385 } | |
| 386 } | |
| 387 } | |
| 388 | |
| 389 | |
| 509 | 390 void * |
| 507 | 391 ngx_http_script_start_code(ngx_pool_t *pool, ngx_array_t **codes, size_t size) |
| 479 | 392 { |
| 507 | 393 if (*codes == NULL) { |
| 394 *codes = ngx_array_create(pool, 256, 1); | |
| 395 if (*codes == NULL) { | |
| 396 return NULL; | |
| 397 } | |
| 398 } | |
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399 |
| 507 | 400 return ngx_array_push_n(*codes, size); |
| 401 } | |
| 402 | |
| 509 | 403 |
| 404 void * | |
| 405 ngx_http_script_add_code(ngx_array_t *codes, size_t size, void *code) | |
| 406 { | |
| 407 u_char *elts, **p; | |
| 408 void *new; | |
| 409 | |
| 410 elts = codes->elts; | |
| 411 | |
| 412 new = ngx_array_push_n(codes, size); | |
| 413 if (new == NULL) { | |
| 414 return NGX_CONF_ERROR; | |
| 415 } | |
| 416 | |
| 417 if (code) { | |
| 418 if (elts != codes->elts) { | |
| 419 p = code; | |
| 420 *p += (u_char *) codes->elts - elts; | |
| 421 } | |
| 422 } | |
| 423 | |
| 424 return new; | |
| 425 } | |
| 507 | 426 |
| 479 | 427 |
| 507 | 428 size_t |
| 509 | 429 ngx_http_script_copy_len_code(ngx_http_script_engine_t *e) |
| 507 | 430 { |
| 431 ngx_http_script_copy_code_t *code; | |
| 479 | 432 |
| 509 | 433 code = (ngx_http_script_copy_code_t *) e->ip; |
| 507 | 434 |
| 509 | 435 e->ip += sizeof(ngx_http_script_copy_code_t); |
| 507 | 436 |
| 437 return code->len; | |
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438 } |
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439 |
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440 |
| 507 | 441 void |
| 509 | 442 ngx_http_script_copy_code(ngx_http_script_engine_t *e) |
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443 { |
| 2393 | 444 u_char *p; |
| 507 | 445 ngx_http_script_copy_code_t *code; |
| 446 | |
| 509 | 447 code = (ngx_http_script_copy_code_t *) e->ip; |
| 448 | |
| 2393 | 449 p = e->pos; |
| 450 | |
| 509 | 451 if (!e->skip) { |
| 2393 | 452 e->pos = ngx_copy(p, e->ip + sizeof(ngx_http_script_copy_code_t), |
| 573 | 453 code->len); |
| 509 | 454 } |
| 507 | 455 |
| 509 | 456 e->ip += sizeof(ngx_http_script_copy_code_t) |
| 457 + ((code->len + sizeof(uintptr_t) - 1) & ~(sizeof(uintptr_t) - 1)); | |
| 507 | 458 |
| 2393 | 459 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
| 460 "http script copy: \"%*s\"", e->pos - p, p); | |
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461 } |
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462 |
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463 |
| 507 | 464 size_t |
| 509 | 465 ngx_http_script_copy_var_len_code(ngx_http_script_engine_t *e) |
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466 { |
| 507 | 467 ngx_http_variable_value_t *value; |
| 468 ngx_http_script_var_code_t *code; | |
| 469 | |
| 509 | 470 code = (ngx_http_script_var_code_t *) e->ip; |
| 507 | 471 |
| 509 | 472 e->ip += sizeof(ngx_http_script_var_code_t); |
| 507 | 473 |
| 573 | 474 if (e->flushed) { |
| 475 value = ngx_http_get_indexed_variable(e->request, code->index); | |
| 507 | 476 |
| 573 | 477 } else { |
| 478 value = ngx_http_get_flushed_variable(e->request, code->index); | |
| 479 } | |
| 480 | |
| 481 if (value && !value->not_found) { | |
| 482 return value->len; | |
| 507 | 483 } |
| 484 | |
| 553 | 485 return 0; |
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486 } |
| 479 | 487 |
| 488 | |
| 507 | 489 void |
| 509 | 490 ngx_http_script_copy_var_code(ngx_http_script_engine_t *e) |
| 479 | 491 { |
| 2393 | 492 u_char *p; |
| 507 | 493 ngx_http_variable_value_t *value; |
| 494 ngx_http_script_var_code_t *code; | |
| 495 | |
| 509 | 496 code = (ngx_http_script_var_code_t *) e->ip; |
| 497 | |
| 498 e->ip += sizeof(ngx_http_script_var_code_t); | |
| 499 | |
| 500 if (!e->skip) { | |
| 573 | 501 |
| 502 if (e->flushed) { | |
| 503 value = ngx_http_get_indexed_variable(e->request, code->index); | |
| 509 | 504 |
| 573 | 505 } else { |
| 506 value = ngx_http_get_flushed_variable(e->request, code->index); | |
| 507 } | |
| 508 | |
| 509 if (value && !value->not_found) { | |
| 2393 | 510 p = e->pos; |
| 511 e->pos = ngx_copy(p, value->data, value->len); | |
| 509 | 512 |
| 2393 | 513 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, |
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514 e->request->connection->log, 0, |
| 2393 | 515 "http script var: \"%*s\"", e->pos - p, p); |
| 509 | 516 } |
| 517 } | |
| 518 } | |
| 519 | |
| 520 | |
| 521 size_t | |
| 522 ngx_http_script_copy_capture_len_code(ngx_http_script_engine_t *e) | |
| 523 { | |
| 524 ngx_http_script_copy_capture_code_t *code; | |
| 525 | |
| 526 code = (ngx_http_script_copy_capture_code_t *) e->ip; | |
| 527 | |
| 528 e->ip += sizeof(ngx_http_script_copy_capture_code_t); | |
| 529 | |
| 515 | 530 if (code->n < e->ncaptures) { |
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531 if ((e->is_args || e->quote) |
| 515 | 532 && (e->request->quoted_uri || e->request->plus_in_uri)) |
| 533 { | |
| 534 return e->captures[code->n + 1] - e->captures[code->n] | |
| 655 | 535 + 2 * ngx_escape_uri(NULL, |
| 515 | 536 &e->line.data[e->captures[code->n]], |
| 509 | 537 e->captures[code->n + 1] - e->captures[code->n], |
| 538 NGX_ESCAPE_ARGS); | |
| 515 | 539 } else { |
| 540 return e->captures[code->n + 1] - e->captures[code->n]; | |
| 541 } | |
| 509 | 542 } |
| 515 | 543 |
| 544 return 0; | |
| 509 | 545 } |
| 546 | |
| 547 | |
| 548 void | |
| 549 ngx_http_script_copy_capture_code(ngx_http_script_engine_t *e) | |
| 550 { | |
| 2393 | 551 u_char *p; |
| 509 | 552 ngx_http_script_copy_capture_code_t *code; |
| 553 | |
| 554 code = (ngx_http_script_copy_capture_code_t *) e->ip; | |
| 555 | |
| 556 e->ip += sizeof(ngx_http_script_copy_capture_code_t); | |
| 507 | 557 |
| 2393 | 558 p = e->pos; |
| 559 | |
| 515 | 560 if (code->n < e->ncaptures) { |
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561 if ((e->is_args || e->quote) |
| 515 | 562 && (e->request->quoted_uri || e->request->plus_in_uri)) |
| 563 { | |
| 2393 | 564 e->pos = (u_char *) ngx_escape_uri(p, |
| 515 | 565 &e->line.data[e->captures[code->n]], |
| 509 | 566 e->captures[code->n + 1] - e->captures[code->n], |
| 567 NGX_ESCAPE_ARGS); | |
| 515 | 568 } else { |
| 2393 | 569 e->pos = ngx_copy(p, |
| 573 | 570 &e->line.data[e->captures[code->n]], |
| 571 e->captures[code->n + 1] - e->captures[code->n]); | |
| 515 | 572 } |
| 509 | 573 } |
| 574 | |
| 2393 | 575 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
| 576 "http script capture: \"%*s\"", e->pos - p, p); | |
| 509 | 577 } |
| 578 | |
| 579 | |
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580 size_t |
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581 ngx_http_script_mark_args_code(ngx_http_script_engine_t *e) |
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582 { |
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583 e->is_args = 1; |
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584 e->ip += sizeof(uintptr_t); |
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585 |
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586 return 1; |
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587 } |
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588 |
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589 |
| 509 | 590 void |
| 591 ngx_http_script_start_args_code(ngx_http_script_engine_t *e) | |
| 592 { | |
| 593 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 594 "http script args"); | |
| 577 | 595 |
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596 e->is_args = 1; |
| 509 | 597 e->args = e->pos; |
| 598 e->ip += sizeof(uintptr_t); | |
| 599 } | |
| 600 | |
| 601 | |
| 517 | 602 |
| 603 #if (NGX_PCRE) | |
| 604 | |
| 509 | 605 void |
| 606 ngx_http_script_regex_start_code(ngx_http_script_engine_t *e) | |
| 607 { | |
| 608 size_t len; | |
| 609 ngx_int_t rc; | |
| 610 ngx_uint_t n; | |
| 611 ngx_http_request_t *r; | |
| 612 ngx_http_script_engine_t le; | |
| 613 ngx_http_script_len_code_pt lcode; | |
| 614 ngx_http_script_regex_code_t *code; | |
| 615 | |
| 616 code = (ngx_http_script_regex_code_t *) e->ip; | |
| 617 | |
| 618 r = e->request; | |
| 619 | |
| 620 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 621 "http script regex: \"%V\"", &code->name); | |
| 622 | |
| 623 if (code->uri) { | |
| 515 | 624 e->line = r->uri; |
| 509 | 625 } else { |
| 626 e->sp--; | |
| 573 | 627 e->line.len = e->sp->len; |
| 628 e->line.data = e->sp->data; | |
| 509 | 629 } |
| 507 | 630 |
| 515 | 631 rc = ngx_regex_exec(code->regex, &e->line, e->captures, code->ncaptures); |
| 509 | 632 |
| 633 if (rc == NGX_REGEX_NO_MATCHED) { | |
| 2397 | 634 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
| 509 | 635 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
| 515 | 636 "\"%V\" does not match \"%V\"", |
| 637 &code->name, &e->line); | |
| 509 | 638 } |
| 639 | |
| 515 | 640 e->ncaptures = 0; |
| 641 | |
| 509 | 642 if (code->test) { |
| 631 | 643 if (code->negative_test) { |
| 644 e->sp->len = 1; | |
| 645 e->sp->data = (u_char *) "1"; | |
| 646 | |
| 647 } else { | |
| 648 e->sp->len = 0; | |
| 649 e->sp->data = (u_char *) ""; | |
| 650 } | |
| 651 | |
| 509 | 652 e->sp++; |
| 653 | |
| 654 e->ip += sizeof(ngx_http_script_regex_code_t); | |
| 655 return; | |
| 656 } | |
| 657 | |
| 658 e->ip += code->next; | |
| 659 return; | |
| 660 } | |
| 661 | |
| 662 if (rc < 0) { | |
| 663 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
| 664 ngx_regex_exec_n " failed: %d on \"%V\" using \"%V\"", | |
| 515 | 665 rc, &e->line, &code->name); |
| 509 | 666 |
| 667 e->ip = ngx_http_script_exit; | |
| 668 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 669 return; | |
| 670 } | |
| 671 | |
| 2397 | 672 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
| 509 | 673 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
| 515 | 674 "\"%V\" matches \"%V\"", &code->name, &e->line); |
| 509 | 675 } |
| 676 | |
| 515 | 677 e->ncaptures = code->ncaptures; |
| 678 | |
| 509 | 679 if (code->test) { |
| 631 | 680 if (code->negative_test) { |
| 681 e->sp->len = 0; | |
| 682 e->sp->data = (u_char *) ""; | |
| 683 | |
| 684 } else { | |
| 685 e->sp->len = 1; | |
| 686 e->sp->data = (u_char *) "1"; | |
| 687 } | |
| 688 | |
| 509 | 689 e->sp++; |
| 690 | |
| 691 e->ip += sizeof(ngx_http_script_regex_code_t); | |
| 692 return; | |
| 693 } | |
| 694 | |
| 695 if (code->status) { | |
| 696 e->status = code->status; | |
| 507 | 697 |
| 509 | 698 if (!code->redirect) { |
| 699 e->ip = ngx_http_script_exit; | |
| 700 return; | |
| 701 } | |
| 702 } | |
| 703 | |
| 704 if (code->uri) { | |
| 705 r->internal = 1; | |
| 706 r->valid_unparsed_uri = 0; | |
| 707 | |
| 708 if (code->break_cycle) { | |
| 709 r->valid_location = 0; | |
| 527 | 710 r->uri_changed = 0; |
| 509 | 711 |
| 712 } else { | |
| 713 r->uri_changed = 1; | |
| 714 } | |
| 715 } | |
| 716 | |
| 717 if (code->lengths == NULL) { | |
| 718 e->buf.len = code->size; | |
| 719 | |
| 720 if (code->uri) { | |
| 721 if (rc && (r->quoted_uri || r->plus_in_uri)) { | |
| 722 e->buf.len += 2 * ngx_escape_uri(NULL, r->uri.data, r->uri.len, | |
| 723 NGX_ESCAPE_ARGS); | |
| 724 } | |
| 725 } | |
| 726 | |
| 727 for (n = 1; n < (ngx_uint_t) rc; n++) { | |
| 728 e->buf.len += e->captures[2 * n + 1] - e->captures[2 * n]; | |
| 729 } | |
| 730 | |
| 731 } else { | |
| 732 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
| 733 | |
| 734 le.ip = code->lengths->elts; | |
| 679 | 735 le.line = e->line; |
| 509 | 736 le.request = r; |
| 737 le.captures = e->captures; | |
| 515 | 738 le.ncaptures = e->ncaptures; |
| 679 | 739 le.quote = code->redirect; |
| 509 | 740 |
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741 len = 0; |
| 509 | 742 |
| 743 while (*(uintptr_t *) le.ip) { | |
| 744 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 745 len += lcode(&le); | |
| 746 } | |
| 747 | |
| 748 e->buf.len = len; | |
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749 e->is_args = le.is_args; |
| 509 | 750 } |
| 751 | |
| 515 | 752 if (code->add_args && r->args.len) { |
| 509 | 753 e->buf.len += r->args.len + 1; |
| 754 } | |
| 755 | |
| 2049 | 756 e->buf.data = ngx_pnalloc(r->pool, e->buf.len); |
| 509 | 757 if (e->buf.data == NULL) { |
| 758 e->ip = ngx_http_script_exit; | |
| 759 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 507 | 760 return; |
| 761 } | |
| 762 | |
| 509 | 763 e->quote = code->redirect; |
| 764 | |
| 765 e->pos = e->buf.data; | |
| 766 | |
| 767 e->ip += sizeof(ngx_http_script_regex_code_t); | |
| 768 } | |
| 769 | |
| 770 | |
| 771 void | |
| 772 ngx_http_script_regex_end_code(ngx_http_script_engine_t *e) | |
| 773 { | |
| 577 | 774 u_char *dst, *src; |
| 509 | 775 ngx_http_request_t *r; |
| 776 ngx_http_script_regex_end_code_t *code; | |
| 777 | |
| 778 code = (ngx_http_script_regex_end_code_t *) e->ip; | |
| 779 | |
| 780 r = e->request; | |
| 781 | |
| 782 e->quote = 0; | |
| 783 | |
| 784 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 785 "http script regex end"); | |
| 786 | |
| 787 if (code->redirect) { | |
| 788 | |
| 577 | 789 dst = e->buf.data; |
| 790 src = e->buf.data; | |
| 791 | |
| 1593 | 792 ngx_unescape_uri(&dst, &src, e->pos - e->buf.data, |
| 793 NGX_UNESCAPE_REDIRECT); | |
| 577 | 794 |
| 795 if (src < e->pos) { | |
| 796 dst = ngx_copy(dst, src, e->pos - src); | |
| 797 } | |
| 798 | |
| 799 e->pos = dst; | |
| 800 | |
| 801 if (code->add_args && r->args.len) { | |
| 509 | 802 *e->pos++ = (u_char) (code->args ? '&' : '?'); |
| 573 | 803 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
| 509 | 804 } |
| 805 | |
| 806 e->buf.len = e->pos - e->buf.data; | |
| 807 | |
| 2397 | 808 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
| 509 | 809 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
| 810 "rewritten redirect: \"%V\"", &e->buf); | |
| 811 } | |
| 812 | |
| 813 r->headers_out.location = ngx_list_push(&r->headers_out.headers); | |
| 814 if (r->headers_out.location == NULL) { | |
| 815 e->ip = ngx_http_script_exit; | |
| 816 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 817 return; | |
| 818 } | |
| 819 | |
| 577 | 820 r->headers_out.location->hash = 1; |
| 509 | 821 r->headers_out.location->key.len = sizeof("Location") - 1; |
| 822 r->headers_out.location->key.data = (u_char *) "Location"; | |
| 823 r->headers_out.location->value = e->buf; | |
| 824 | |
| 825 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
| 826 return; | |
| 827 } | |
| 828 | |
| 577 | 829 if (e->args) { |
| 509 | 830 e->buf.len = e->args - e->buf.data; |
| 831 | |
| 832 if (code->add_args && r->args.len) { | |
| 833 *e->pos++ = '&'; | |
| 573 | 834 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
| 509 | 835 } |
| 836 | |
| 837 r->args.len = e->pos - e->args; | |
| 838 r->args.data = e->args; | |
| 839 | |
| 840 e->args = NULL; | |
| 841 | |
| 842 } else { | |
| 843 e->buf.len = e->pos - e->buf.data; | |
| 673 | 844 |
| 845 if (!code->add_args) { | |
| 846 r->args.len = 0; | |
| 847 } | |
| 509 | 848 } |
| 849 | |
| 2397 | 850 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
| 509 | 851 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
| 852 "rewritten data: \"%V\", args: \"%V\"", | |
| 853 &e->buf, &r->args); | |
| 854 } | |
| 855 | |
| 856 if (code->uri) { | |
| 857 r->uri = e->buf; | |
| 858 | |
| 535 | 859 if (r->uri.len == 0) { |
| 860 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 861 "the rewritten URI has a zero length"); | |
| 862 e->ip = ngx_http_script_exit; | |
| 863 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 864 return; | |
| 865 } | |
| 866 | |
| 509 | 867 if (ngx_http_set_exten(r) != NGX_OK) { |
| 868 e->ip = ngx_http_script_exit; | |
| 869 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 870 return; | |
| 871 } | |
| 872 } | |
| 873 | |
| 874 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
| 875 } | |
| 876 | |
| 517 | 877 #endif |
| 878 | |
| 509 | 879 |
| 880 void | |
| 881 ngx_http_script_return_code(ngx_http_script_engine_t *e) | |
| 577 | 882 { |
| 509 | 883 ngx_http_script_return_code_t *code; |
| 577 | 884 |
| 509 | 885 code = (ngx_http_script_return_code_t *) e->ip; |
| 886 | |
| 887 e->status = code->status; | |
| 888 | |
| 653 | 889 if (code->status == NGX_HTTP_NO_CONTENT) { |
| 890 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
|
891 e->request->zero_body = 1; |
| 653 | 892 } |
| 893 | |
| 509 | 894 e->ip += sizeof(ngx_http_script_return_code_t) - sizeof(uintptr_t); |
| 479 | 895 } |
| 509 | 896 |
| 897 | |
| 898 void | |
| 527 | 899 ngx_http_script_break_code(ngx_http_script_engine_t *e) |
| 900 { | |
| 901 e->request->uri_changed = 0; | |
| 902 | |
| 903 e->ip = ngx_http_script_exit; | |
| 904 } | |
| 905 | |
| 906 | |
| 907 void | |
| 509 | 908 ngx_http_script_if_code(ngx_http_script_engine_t *e) |
| 909 { | |
| 910 ngx_http_script_if_code_t *code; | |
| 911 | |
| 912 code = (ngx_http_script_if_code_t *) e->ip; | |
| 913 | |
| 914 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 915 "http script if"); | |
| 916 | |
| 917 e->sp--; | |
| 918 | |
| 573 | 919 if (e->sp->len && e->sp->data[0] != '0') { |
| 509 | 920 if (code->loc_conf) { |
| 921 e->request->loc_conf = code->loc_conf; | |
| 535 | 922 ngx_http_update_location_config(e->request); |
| 509 | 923 } |
| 924 | |
| 925 e->ip += sizeof(ngx_http_script_if_code_t); | |
| 926 return; | |
| 927 } | |
| 928 | |
| 929 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 577 | 930 "http script if: false"); |
| 509 | 931 |
| 932 e->ip += code->next; | |
| 933 } | |
| 934 | |
| 935 | |
| 936 void | |
| 577 | 937 ngx_http_script_equal_code(ngx_http_script_engine_t *e) |
| 938 { | |
| 939 ngx_http_variable_value_t *val, *res; | |
| 940 | |
| 941 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 942 "http script equal"); | |
| 943 | |
| 944 e->sp--; | |
| 945 val = e->sp; | |
| 946 res = e->sp - 1; | |
| 947 | |
| 948 e->ip += sizeof(uintptr_t); | |
| 949 | |
| 2393 | 950 if (val->len == res->len |
| 951 && ngx_strncmp(val->data, res->data, res->len) == 0) | |
| 577 | 952 { |
| 953 *res = ngx_http_variable_true_value; | |
| 954 return; | |
| 955 } | |
| 956 | |
| 957 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 958 "http script equal: no"); | |
| 959 | |
| 960 *res = ngx_http_variable_null_value; | |
| 961 } | |
| 962 | |
| 963 | |
| 964 void | |
| 965 ngx_http_script_not_equal_code(ngx_http_script_engine_t *e) | |
| 966 { | |
| 967 ngx_http_variable_value_t *val, *res; | |
| 968 | |
| 969 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 970 "http script not equal"); | |
| 971 | |
| 972 e->sp--; | |
| 973 val = e->sp; | |
| 974 res = e->sp - 1; | |
| 975 | |
| 976 e->ip += sizeof(uintptr_t); | |
| 977 | |
| 2393 | 978 if (val->len == res->len |
| 979 && ngx_strncmp(val->data, res->data, res->len) == 0) | |
| 577 | 980 { |
| 981 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 982 "http script not equal: no"); | |
| 983 | |
| 984 *res = ngx_http_variable_null_value; | |
| 985 return; | |
| 986 } | |
| 987 | |
| 988 *res = ngx_http_variable_true_value; | |
| 989 } | |
| 990 | |
| 991 | |
| 992 void | |
| 631 | 993 ngx_http_script_file_code(ngx_http_script_engine_t *e) |
| 994 { | |
| 1454 | 995 ngx_str_t path; |
| 996 ngx_http_request_t *r; | |
| 997 ngx_open_file_info_t of; | |
| 998 ngx_http_core_loc_conf_t *clcf; | |
| 631 | 999 ngx_http_variable_value_t *value; |
| 1000 ngx_http_script_file_code_t *code; | |
| 1001 | |
| 1002 value = e->sp - 1; | |
| 1003 | |
| 1004 code = (ngx_http_script_file_code_t *) e->ip; | |
| 1005 e->ip += sizeof(ngx_http_script_file_code_t); | |
| 1006 | |
| 1454 | 1007 path.len = value->len - 1; |
| 1008 path.data = value->data; | |
| 1009 | |
| 1010 r = e->request; | |
| 1011 | |
| 1012 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1013 "http script file op %p \"%V\"", code->op, &path); | |
| 1014 | |
| 1015 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 631 | 1016 |
|
2068
75a8d34459c5
ngx_memzero() ngx_open_file_info_t
Igor Sysoev <igor@sysoev.ru>
parents:
2063
diff
changeset
|
1017 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
|
1018 |
| 2129 | 1019 of.directio = clcf->directio; |
|
1767
c42431762903
open_file_cache_retest > open_file_cache_valid
Igor Sysoev <igor@sysoev.ru>
parents:
1593
diff
changeset
|
1020 of.valid = clcf->open_file_cache_valid; |
| 1772 | 1021 of.min_uses = clcf->open_file_cache_min_uses; |
| 1454 | 1022 of.errors = clcf->open_file_cache_errors; |
| 1457 | 1023 of.events = clcf->open_file_cache_events; |
| 631 | 1024 |
| 1454 | 1025 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) |
| 1799 | 1026 != NGX_OK) |
| 1454 | 1027 { |
| 1028 if (of.err != NGX_ENOENT && of.err != NGX_ENOTDIR) { | |
| 1029 ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err, | |
| 631 | 1030 ngx_file_info_n " \"%s\" failed", value->data); |
| 1031 } | |
| 1032 | |
| 1033 switch (code->op) { | |
| 671 | 1034 |
| 631 | 1035 case ngx_http_script_file_plain: |
| 669 | 1036 case ngx_http_script_file_dir: |
| 1037 case ngx_http_script_file_exists: | |
| 1038 case ngx_http_script_file_exec: | |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1039 goto false_value; |
| 671 | 1040 |
| 631 | 1041 case ngx_http_script_file_not_plain: |
| 669 | 1042 case ngx_http_script_file_not_dir: |
| 671 | 1043 case ngx_http_script_file_not_exists: |
| 669 | 1044 case ngx_http_script_file_not_exec: |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1045 goto true_value; |
| 631 | 1046 } |
| 1047 | |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1048 goto false_value; |
| 631 | 1049 } |
| 1050 | |
| 1051 switch (code->op) { | |
| 1052 case ngx_http_script_file_plain: | |
| 1454 | 1053 if (of.is_file) { |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1054 goto true_value; |
| 631 | 1055 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1056 goto false_value; |
| 631 | 1057 |
| 1058 case ngx_http_script_file_not_plain: | |
| 1454 | 1059 if (of.is_file) { |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1060 goto false_value; |
| 631 | 1061 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1062 goto true_value; |
| 669 | 1063 |
| 1064 case ngx_http_script_file_dir: | |
| 1454 | 1065 if (of.is_dir) { |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1066 goto true_value; |
| 669 | 1067 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1068 goto false_value; |
| 669 | 1069 |
| 1070 case ngx_http_script_file_not_dir: | |
| 1454 | 1071 if (of.is_dir) { |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1072 goto false_value; |
| 669 | 1073 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1074 goto true_value; |
| 669 | 1075 |
| 1076 case ngx_http_script_file_exists: | |
| 1454 | 1077 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
|
1078 goto true_value; |
| 669 | 1079 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1080 goto false_value; |
| 669 | 1081 |
| 1082 case ngx_http_script_file_not_exists: | |
| 1454 | 1083 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
|
1084 goto false_value; |
| 669 | 1085 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1086 goto true_value; |
| 669 | 1087 |
| 1088 case ngx_http_script_file_exec: | |
| 1454 | 1089 if (of.is_exec) { |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1090 goto true_value; |
| 669 | 1091 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1092 goto false_value; |
| 669 | 1093 |
| 1094 case ngx_http_script_file_not_exec: | |
| 1454 | 1095 if (of.is_exec) { |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1096 goto false_value; |
| 669 | 1097 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1098 goto true_value; |
| 631 | 1099 } |
| 1100 | |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1101 false_value: |
| 631 | 1102 |
| 1454 | 1103 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 631 | 1104 "http script file op false"); |
| 1105 | |
| 1106 *value = ngx_http_variable_null_value; | |
| 1107 return; | |
| 1108 | |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1109 true_value: |
| 631 | 1110 |
| 1111 *value = ngx_http_variable_true_value; | |
| 1112 return; | |
| 1113 } | |
| 1114 | |
| 1115 | |
| 1116 void | |
| 515 | 1117 ngx_http_script_complex_value_code(ngx_http_script_engine_t *e) |
| 1118 { | |
| 1119 size_t len; | |
| 1120 ngx_http_script_engine_t le; | |
| 1121 ngx_http_script_len_code_pt lcode; | |
| 1122 ngx_http_script_complex_value_code_t *code; | |
| 1123 | |
| 1124 code = (ngx_http_script_complex_value_code_t *) e->ip; | |
| 1125 | |
| 1126 e->ip += sizeof(ngx_http_script_complex_value_code_t); | |
| 1127 | |
| 1128 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1129 "http script complex value"); | |
| 1130 | |
| 1131 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
| 1132 | |
| 1133 le.ip = code->lengths->elts; | |
| 655 | 1134 le.line = e->line; |
| 515 | 1135 le.request = e->request; |
| 1136 le.captures = e->captures; | |
| 1137 le.ncaptures = e->ncaptures; | |
| 655 | 1138 le.quote = e->quote; |
| 515 | 1139 |
| 1140 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) { | |
| 1141 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 1142 } | |
| 1143 | |
| 1144 e->buf.len = len; | |
| 2049 | 1145 e->buf.data = ngx_pnalloc(e->request->pool, len); |
| 515 | 1146 if (e->buf.data == NULL) { |
| 1147 e->ip = ngx_http_script_exit; | |
| 1148 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 1149 return; | |
| 1150 } | |
| 1151 | |
| 1152 e->pos = e->buf.data; | |
| 1153 | |
| 577 | 1154 e->sp->len = e->buf.len; |
| 573 | 1155 e->sp->data = e->buf.data; |
| 515 | 1156 e->sp++; |
| 1157 } | |
| 1158 | |
| 1159 | |
| 1160 void | |
| 509 | 1161 ngx_http_script_value_code(ngx_http_script_engine_t *e) |
| 1162 { | |
| 1163 ngx_http_script_value_code_t *code; | |
| 1164 | |
| 1165 code = (ngx_http_script_value_code_t *) e->ip; | |
| 1166 | |
| 1167 e->ip += sizeof(ngx_http_script_value_code_t); | |
| 1168 | |
| 573 | 1169 e->sp->len = code->text_len; |
| 1170 e->sp->data = (u_char *) code->text_data; | |
| 577 | 1171 |
| 1172 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1561 | 1173 "http script value: \"%v\"", e->sp); |
| 577 | 1174 |
| 509 | 1175 e->sp++; |
| 1176 } | |
| 1177 | |
| 1178 | |
| 1179 void | |
| 1180 ngx_http_script_set_var_code(ngx_http_script_engine_t *e) | |
| 1181 { | |
| 1182 ngx_http_request_t *r; | |
| 1183 ngx_http_script_var_code_t *code; | |
| 1184 | |
| 1185 code = (ngx_http_script_var_code_t *) e->ip; | |
| 1186 | |
| 1187 e->ip += sizeof(ngx_http_script_var_code_t); | |
| 1188 | |
| 1189 r = e->request; | |
| 1190 | |
| 1191 e->sp--; | |
| 1192 | |
| 573 | 1193 r->variables[code->index].len = e->sp->len; |
| 1194 r->variables[code->index].valid = 1; | |
| 1565 | 1195 r->variables[code->index].no_cacheable = 0; |
| 573 | 1196 r->variables[code->index].not_found = 0; |
| 1197 r->variables[code->index].data = e->sp->data; | |
| 2393 | 1198 |
| 1199 #if (NGX_DEBUG) | |
| 1200 { | |
| 1201 ngx_http_variable_t *v; | |
| 1202 ngx_http_core_main_conf_t *cmcf; | |
| 1203 | |
| 1204 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 1205 | |
| 1206 v = cmcf->variables.elts; | |
| 1207 | |
| 1208 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1209 "http script set $%V", &v[code->index].name); | |
| 1210 } | |
| 1211 #endif | |
| 509 | 1212 } |
| 1213 | |
| 1214 | |
| 1215 void | |
| 637 | 1216 ngx_http_script_var_set_handler_code(ngx_http_script_engine_t *e) |
| 1217 { | |
| 1218 ngx_http_script_var_handler_code_t *code; | |
| 1219 | |
| 1220 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1221 "http script set var handler"); | |
| 1222 | |
| 1223 code = (ngx_http_script_var_handler_code_t *) e->ip; | |
| 1224 | |
| 1225 e->ip += sizeof(ngx_http_script_var_handler_code_t); | |
| 1226 | |
| 1227 e->sp--; | |
| 1228 | |
| 1229 code->handler(e->request, e->sp, code->data); | |
| 1230 } | |
| 1231 | |
| 1232 | |
| 1233 void | |
| 509 | 1234 ngx_http_script_var_code(ngx_http_script_engine_t *e) |
| 1235 { | |
| 1236 ngx_http_variable_value_t *value; | |
| 1237 ngx_http_script_var_code_t *code; | |
| 1238 | |
| 1239 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1240 "http script var"); | |
| 1241 | |
| 1242 code = (ngx_http_script_var_code_t *) e->ip; | |
| 1243 | |
| 1244 e->ip += sizeof(ngx_http_script_var_code_t); | |
| 1245 | |
| 573 | 1246 value = ngx_http_get_flushed_variable(e->request, code->index); |
| 509 | 1247 |
| 573 | 1248 if (value && !value->not_found) { |
| 1249 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
|
1250 "http script var: \"%v\"", value); |
| 573 | 1251 |
| 553 | 1252 *e->sp = *value; |
| 509 | 1253 e->sp++; |
| 1254 | |
| 1255 return; | |
| 1256 } | |
| 1257 | |
| 577 | 1258 *e->sp = ngx_http_variable_null_value; |
| 509 | 1259 e->sp++; |
| 1260 } | |
| 1261 | |
| 1262 | |
| 1263 void | |
| 1264 ngx_http_script_nop_code(ngx_http_script_engine_t *e) | |
| 1265 { | |
| 1266 e->ip += sizeof(uintptr_t); | |
| 1267 } |