Mercurial > hg > nginx
annotate src/http/ngx_http_script.c @ 2547:912ce4113f21
now regex captures are per-request entities
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Fri, 06 Mar 2009 12:15:07 +0000 |
| parents | d3357bf23a5e |
| children | 2dcbcfc1a8d1 |
| 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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10 |
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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] == '$') { | |
| 24 n++; | |
| 25 } | |
| 507 | 26 } |
| 27 | |
| 509 | 28 return n; |
| 29 } | |
| 30 | |
| 31 | |
| 32 ngx_int_t | |
| 33 ngx_http_script_compile(ngx_http_script_compile_t *sc) | |
| 34 { | |
| 35 u_char ch; | |
| 36 size_t size; | |
| 573 | 37 ngx_int_t index, *p; |
| 509 | 38 ngx_str_t name; |
| 39 uintptr_t *code; | |
| 40 ngx_uint_t i, n, bracket; | |
| 41 ngx_http_script_var_code_t *var_code; | |
| 42 ngx_http_script_copy_code_t *copy; | |
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43 #if (NGX_PCRE) |
| 509 | 44 ngx_http_script_copy_capture_code_t *copy_capture; |
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45 #endif |
| 509 | 46 |
| 573 | 47 if (sc->flushes && *sc->flushes == NULL) { |
| 48 n = sc->variables ? sc->variables : 1; | |
| 49 *sc->flushes = ngx_array_create(sc->cf->pool, n, sizeof(ngx_uint_t)); | |
| 50 if (*sc->flushes == NULL) { | |
| 51 return NGX_ERROR; | |
| 52 } | |
| 53 } | |
| 54 | |
| 55 | |
| 509 | 56 if (*sc->lengths == NULL) { |
| 57 n = sc->variables * (2 * sizeof(ngx_http_script_copy_code_t) | |
| 58 + sizeof(ngx_http_script_var_code_t)) | |
| 59 + sizeof(uintptr_t); | |
| 60 | |
| 61 *sc->lengths = ngx_array_create(sc->cf->pool, n, 1); | |
| 62 if (*sc->lengths == NULL) { | |
| 63 return NGX_ERROR; | |
| 64 } | |
| 65 } | |
| 66 | |
| 67 | |
| 68 if (*sc->values == NULL) { | |
| 69 n = (sc->variables * (2 * sizeof(ngx_http_script_copy_code_t) | |
| 70 + sizeof(ngx_http_script_var_code_t)) | |
| 71 + sizeof(uintptr_t) | |
| 72 + sc->source->len | |
| 73 + sizeof(uintptr_t) - 1) | |
| 74 & ~(sizeof(uintptr_t) - 1); | |
| 75 | |
| 76 *sc->values = ngx_array_create(sc->cf->pool, n, 1); | |
| 77 if (*sc->values == NULL) { | |
| 507 | 78 return NGX_ERROR; |
| 79 } | |
| 80 } | |
| 81 | |
| 509 | 82 sc->variables = 0; |
| 83 | |
| 84 for (i = 0; i < sc->source->len; /* void */ ) { | |
| 85 | |
| 86 name.len = 0; | |
| 87 | |
| 88 if (sc->source->data[i] == '$') { | |
| 89 | |
| 90 if (++i == sc->source->len) { | |
| 91 goto invalid_variable; | |
| 92 } | |
| 93 | |
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94 #if (NGX_PCRE) |
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95 |
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96 /* NGX_HTTP_MAX_CAPTURES is 9 */ |
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97 |
| 509 | 98 if (sc->source->data[i] >= '1' && sc->source->data[i] <= '9') { |
| 99 | |
| 641 | 100 n = sc->source->data[i] - '0'; |
| 101 | |
| 102 if (sc->captures_mask & (1 << n)) { | |
| 103 sc->dup_capture = 1; | |
| 104 } | |
| 105 | |
| 106 sc->captures_mask |= 1 << n; | |
| 107 | |
| 509 | 108 copy_capture = ngx_http_script_add_code(*sc->lengths, |
| 109 sizeof(ngx_http_script_copy_capture_code_t), | |
| 110 NULL); | |
| 111 if (copy_capture == NULL) { | |
| 112 return NGX_ERROR; | |
| 113 } | |
| 114 | |
| 115 copy_capture->code = (ngx_http_script_code_pt) | |
| 116 ngx_http_script_copy_capture_len_code; | |
| 641 | 117 copy_capture->n = 2 * n; |
| 118 | |
| 509 | 119 |
| 120 copy_capture = ngx_http_script_add_code(*sc->values, | |
| 121 sizeof(ngx_http_script_copy_capture_code_t), | |
| 122 &sc->main); | |
| 123 if (copy_capture == NULL) { | |
| 124 return NGX_ERROR; | |
| 125 } | |
| 126 | |
| 127 copy_capture->code = ngx_http_script_copy_capture_code; | |
| 641 | 128 copy_capture->n = 2 * n; |
| 509 | 129 |
| 641 | 130 if (sc->ncaptures < n) { |
| 131 sc->ncaptures = n; | |
| 509 | 132 } |
| 133 | |
| 134 i++; | |
| 135 | |
| 136 continue; | |
| 137 } | |
| 138 | |
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139 #endif |
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140 |
| 509 | 141 if (sc->source->data[i] == '{') { |
| 142 bracket = 1; | |
| 143 | |
| 144 if (++i == sc->source->len) { | |
| 145 goto invalid_variable; | |
| 146 } | |
| 147 | |
| 148 name.data = &sc->source->data[i]; | |
| 149 | |
| 150 } else { | |
| 151 bracket = 0; | |
| 152 name.data = &sc->source->data[i]; | |
| 153 } | |
| 154 | |
| 155 for ( /* void */ ; i < sc->source->len; i++, name.len++) { | |
| 156 ch = sc->source->data[i]; | |
| 507 | 157 |
| 509 | 158 if (ch == '}' && bracket) { |
| 159 i++; | |
| 160 bracket = 0; | |
| 161 break; | |
| 162 } | |
| 163 | |
| 164 if ((ch >= 'A' && ch <= 'Z') | |
| 165 || (ch >= 'a' && ch <= 'z') | |
| 166 || (ch >= '0' && ch <= '9') | |
| 167 || ch == '_') | |
| 168 { | |
| 169 continue; | |
| 170 } | |
| 171 | |
| 172 break; | |
| 173 } | |
| 174 | |
| 175 if (bracket) { | |
| 176 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, | |
| 177 "the closing bracket in \"%V\" " | |
| 178 "variable is missing", &name); | |
| 507 | 179 return NGX_ERROR; |
| 180 } | |
| 181 | |
| 509 | 182 if (name.len == 0) { |
| 183 goto invalid_variable; | |
| 184 } | |
| 507 | 185 |
| 509 | 186 sc->variables++; |
| 507 | 187 |
| 509 | 188 index = ngx_http_get_variable_index(sc->cf, &name); |
| 189 | |
| 190 if (index == NGX_ERROR) { | |
| 507 | 191 return NGX_ERROR; |
| 192 } | |
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193 |
| 573 | 194 if (sc->flushes) { |
| 195 p = ngx_array_push(*sc->flushes); | |
| 196 if (p == NULL) { | |
| 197 return NGX_ERROR; | |
| 198 } | |
| 199 | |
| 200 *p = index; | |
| 201 } | |
| 202 | |
| 509 | 203 var_code = ngx_http_script_add_code(*sc->lengths, |
| 204 sizeof(ngx_http_script_var_code_t), | |
| 205 NULL); | |
| 507 | 206 if (var_code == NULL) { |
| 207 return NGX_ERROR; | |
| 208 } | |
| 209 | |
| 210 var_code->code = (ngx_http_script_code_pt) | |
| 509 | 211 ngx_http_script_copy_var_len_code; |
| 212 var_code->index = (uintptr_t) index; | |
| 507 | 213 |
| 214 | |
| 509 | 215 var_code = ngx_http_script_add_code(*sc->values, |
| 216 sizeof(ngx_http_script_var_code_t), | |
| 217 &sc->main); | |
| 507 | 218 if (var_code == NULL) { |
| 219 return NGX_ERROR; | |
| 220 } | |
| 221 | |
| 509 | 222 var_code->code = ngx_http_script_copy_var_code; |
| 223 var_code->index = (uintptr_t) index; | |
| 224 | |
| 225 continue; | |
| 226 } | |
| 507 | 227 |
| 509 | 228 if (sc->source->data[i] == '?' && sc->compile_args) { |
| 229 sc->args = 1; | |
| 230 sc->compile_args = 0; | |
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231 |
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232 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), |
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233 NULL); |
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234 if (code == NULL) { |
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235 return NGX_ERROR; |
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236 } |
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237 |
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238 *code = (uintptr_t) ngx_http_script_mark_args_code; |
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239 |
| 509 | 240 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t), |
| 241 &sc->main); | |
| 242 if (code == NULL) { | |
| 507 | 243 return NGX_ERROR; |
| 244 } | |
| 245 | |
| 509 | 246 *code = (uintptr_t) ngx_http_script_start_args_code; |
| 247 | |
| 248 i++; | |
| 249 | |
| 507 | 250 continue; |
| 251 } | |
| 252 | |
| 509 | 253 name.data = &sc->source->data[i]; |
| 254 | |
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255 while (i < sc->source->len) { |
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256 |
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257 if (sc->source->data[i] == '$') { |
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258 break; |
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259 } |
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260 |
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261 if (sc->source->data[i] == '?') { |
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262 |
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263 sc->args = 1; |
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264 |
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265 if (sc->compile_args) { |
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266 break; |
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267 } |
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268 } |
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269 |
| 509 | 270 i++; |
| 271 name.len++; | |
| 272 } | |
| 273 | |
| 274 sc->size += name.len; | |
| 275 | |
| 276 copy = ngx_http_script_add_code(*sc->lengths, | |
| 277 sizeof(ngx_http_script_copy_code_t), | |
| 278 NULL); | |
| 279 if (copy == NULL) { | |
| 507 | 280 return NGX_ERROR; |
| 281 } | |
| 509 | 282 |
| 283 copy->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code; | |
| 284 copy->len = name.len; | |
| 285 | |
| 286 size = (sizeof(ngx_http_script_copy_code_t) + name.len | |
| 287 + sizeof(uintptr_t) - 1) | |
| 288 & ~(sizeof(uintptr_t) - 1); | |
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289 |
| 509 | 290 copy = ngx_http_script_add_code(*sc->values, size, &sc->main); |
| 291 if (copy == NULL) { | |
| 292 return NGX_ERROR; | |
| 293 } | |
| 294 | |
| 295 copy->code = ngx_http_script_copy_code; | |
| 296 copy->len = name.len; | |
| 297 | |
| 298 ngx_memcpy((u_char *) copy + sizeof(ngx_http_script_copy_code_t), | |
| 299 name.data, name.len); | |
| 507 | 300 } |
| 301 | |
| 509 | 302 if (sc->complete_lengths) { |
| 303 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), NULL); | |
| 304 if (code == NULL) { | |
| 305 return NGX_ERROR; | |
| 306 } | |
| 507 | 307 |
| 509 | 308 *code = (uintptr_t) NULL; |
| 507 | 309 } |
| 310 | |
| 509 | 311 if (sc->complete_values) { |
| 312 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t), | |
| 313 &sc->main); | |
| 314 if (code == NULL) { | |
| 315 return NGX_ERROR; | |
| 316 } | |
| 317 | |
| 318 *code = (uintptr_t) NULL; | |
| 319 } | |
| 507 | 320 |
| 321 return NGX_OK; | |
| 509 | 322 |
| 323 invalid_variable: | |
| 324 | |
| 325 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, "invalid variable name"); | |
| 326 | |
| 327 return NGX_ERROR; | |
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328 } |
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329 |
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330 |
| 623 | 331 u_char * |
| 332 ngx_http_script_run(ngx_http_request_t *r, ngx_str_t *value, | |
| 333 void *code_lengths, size_t len, void *code_values) | |
| 334 { | |
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335 ngx_uint_t i; |
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336 ngx_http_script_code_pt code; |
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337 ngx_http_script_len_code_pt lcode; |
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338 ngx_http_script_engine_t e; |
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339 ngx_http_core_main_conf_t *cmcf; |
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340 |
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341 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); |
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342 |
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343 for (i = 0; i < cmcf->variables.nelts; i++) { |
| 1565 | 344 if (r->variables[i].no_cacheable) { |
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345 r->variables[i].valid = 0; |
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346 r->variables[i].not_found = 0; |
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347 } |
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348 } |
| 623 | 349 |
| 350 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); | |
| 351 | |
| 352 e.ip = code_lengths; | |
| 353 e.request = r; | |
| 354 e.flushed = 1; | |
| 355 | |
| 356 while (*(uintptr_t *) e.ip) { | |
| 357 lcode = *(ngx_http_script_len_code_pt *) e.ip; | |
| 358 len += lcode(&e); | |
| 359 } | |
| 360 | |
| 361 | |
| 362 value->len = len; | |
| 2049 | 363 value->data = ngx_pnalloc(r->pool, len); |
| 623 | 364 if (value->data == NULL) { |
| 365 return NULL; | |
| 366 } | |
| 367 | |
| 368 e.ip = code_values; | |
| 369 e.pos = value->data; | |
| 370 | |
| 371 while (*(uintptr_t *) e.ip) { | |
| 372 code = *(ngx_http_script_code_pt *) e.ip; | |
| 373 code((ngx_http_script_engine_t *) &e); | |
| 374 } | |
| 375 | |
| 376 return e.pos; | |
| 377 } | |
| 378 | |
| 379 | |
| 573 | 380 void |
| 1565 | 381 ngx_http_script_flush_no_cacheable_variables(ngx_http_request_t *r, |
| 573 | 382 ngx_array_t *indices) |
| 383 { | |
| 384 ngx_uint_t n, *index; | |
| 385 | |
| 386 if (indices) { | |
| 387 index = indices->elts; | |
| 388 for (n = 0; n < indices->nelts; n++) { | |
| 1565 | 389 if (r->variables[index[n]].no_cacheable) { |
| 573 | 390 r->variables[index[n]].valid = 0; |
| 391 r->variables[index[n]].not_found = 0; | |
| 392 } | |
| 393 } | |
| 394 } | |
| 395 } | |
| 396 | |
| 397 | |
| 509 | 398 void * |
| 507 | 399 ngx_http_script_start_code(ngx_pool_t *pool, ngx_array_t **codes, size_t size) |
| 479 | 400 { |
| 507 | 401 if (*codes == NULL) { |
| 402 *codes = ngx_array_create(pool, 256, 1); | |
| 403 if (*codes == NULL) { | |
| 404 return NULL; | |
| 405 } | |
| 406 } | |
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407 |
| 507 | 408 return ngx_array_push_n(*codes, size); |
| 409 } | |
| 410 | |
| 509 | 411 |
| 412 void * | |
| 413 ngx_http_script_add_code(ngx_array_t *codes, size_t size, void *code) | |
| 414 { | |
| 415 u_char *elts, **p; | |
| 416 void *new; | |
| 417 | |
| 418 elts = codes->elts; | |
| 419 | |
| 420 new = ngx_array_push_n(codes, size); | |
| 421 if (new == NULL) { | |
| 422 return NGX_CONF_ERROR; | |
| 423 } | |
| 424 | |
| 425 if (code) { | |
| 426 if (elts != codes->elts) { | |
| 427 p = code; | |
| 428 *p += (u_char *) codes->elts - elts; | |
| 429 } | |
| 430 } | |
| 431 | |
| 432 return new; | |
| 433 } | |
| 507 | 434 |
| 479 | 435 |
| 507 | 436 size_t |
| 509 | 437 ngx_http_script_copy_len_code(ngx_http_script_engine_t *e) |
| 507 | 438 { |
| 439 ngx_http_script_copy_code_t *code; | |
| 479 | 440 |
| 509 | 441 code = (ngx_http_script_copy_code_t *) e->ip; |
| 507 | 442 |
| 509 | 443 e->ip += sizeof(ngx_http_script_copy_code_t); |
| 507 | 444 |
| 445 return code->len; | |
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446 } |
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447 |
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448 |
| 507 | 449 void |
| 509 | 450 ngx_http_script_copy_code(ngx_http_script_engine_t *e) |
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451 { |
| 2393 | 452 u_char *p; |
| 507 | 453 ngx_http_script_copy_code_t *code; |
| 454 | |
| 509 | 455 code = (ngx_http_script_copy_code_t *) e->ip; |
| 456 | |
| 2393 | 457 p = e->pos; |
| 458 | |
| 509 | 459 if (!e->skip) { |
| 2393 | 460 e->pos = ngx_copy(p, e->ip + sizeof(ngx_http_script_copy_code_t), |
| 573 | 461 code->len); |
| 509 | 462 } |
| 507 | 463 |
| 509 | 464 e->ip += sizeof(ngx_http_script_copy_code_t) |
| 465 + ((code->len + sizeof(uintptr_t) - 1) & ~(sizeof(uintptr_t) - 1)); | |
| 507 | 466 |
| 2393 | 467 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
| 468 "http script copy: \"%*s\"", e->pos - p, p); | |
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469 } |
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470 |
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471 |
| 507 | 472 size_t |
| 509 | 473 ngx_http_script_copy_var_len_code(ngx_http_script_engine_t *e) |
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474 { |
| 507 | 475 ngx_http_variable_value_t *value; |
| 476 ngx_http_script_var_code_t *code; | |
| 477 | |
| 509 | 478 code = (ngx_http_script_var_code_t *) e->ip; |
| 507 | 479 |
| 509 | 480 e->ip += sizeof(ngx_http_script_var_code_t); |
| 507 | 481 |
| 573 | 482 if (e->flushed) { |
| 483 value = ngx_http_get_indexed_variable(e->request, code->index); | |
| 507 | 484 |
| 573 | 485 } else { |
| 486 value = ngx_http_get_flushed_variable(e->request, code->index); | |
| 487 } | |
| 488 | |
| 489 if (value && !value->not_found) { | |
| 490 return value->len; | |
| 507 | 491 } |
| 492 | |
| 553 | 493 return 0; |
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494 } |
| 479 | 495 |
| 496 | |
| 507 | 497 void |
| 509 | 498 ngx_http_script_copy_var_code(ngx_http_script_engine_t *e) |
| 479 | 499 { |
| 2393 | 500 u_char *p; |
| 507 | 501 ngx_http_variable_value_t *value; |
| 502 ngx_http_script_var_code_t *code; | |
| 503 | |
| 509 | 504 code = (ngx_http_script_var_code_t *) e->ip; |
| 505 | |
| 506 e->ip += sizeof(ngx_http_script_var_code_t); | |
| 507 | |
| 508 if (!e->skip) { | |
| 573 | 509 |
| 510 if (e->flushed) { | |
| 511 value = ngx_http_get_indexed_variable(e->request, code->index); | |
| 509 | 512 |
| 573 | 513 } else { |
| 514 value = ngx_http_get_flushed_variable(e->request, code->index); | |
| 515 } | |
| 516 | |
| 517 if (value && !value->not_found) { | |
| 2393 | 518 p = e->pos; |
| 519 e->pos = ngx_copy(p, value->data, value->len); | |
| 509 | 520 |
| 2393 | 521 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, |
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522 e->request->connection->log, 0, |
| 2393 | 523 "http script var: \"%*s\"", e->pos - p, p); |
| 509 | 524 } |
| 525 } | |
| 526 } | |
| 527 | |
| 528 | |
| 529 size_t | |
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530 ngx_http_script_mark_args_code(ngx_http_script_engine_t *e) |
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531 { |
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532 e->is_args = 1; |
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533 e->ip += sizeof(uintptr_t); |
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534 |
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535 return 1; |
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536 } |
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537 |
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538 |
| 509 | 539 void |
| 540 ngx_http_script_start_args_code(ngx_http_script_engine_t *e) | |
| 541 { | |
| 542 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 543 "http script args"); | |
| 577 | 544 |
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545 e->is_args = 1; |
| 509 | 546 e->args = e->pos; |
| 547 e->ip += sizeof(uintptr_t); | |
| 548 } | |
| 549 | |
| 550 | |
| 517 | 551 #if (NGX_PCRE) |
| 552 | |
| 509 | 553 void |
| 554 ngx_http_script_regex_start_code(ngx_http_script_engine_t *e) | |
| 555 { | |
| 556 size_t len; | |
| 557 ngx_int_t rc; | |
| 558 ngx_uint_t n; | |
| 559 ngx_http_request_t *r; | |
| 560 ngx_http_script_engine_t le; | |
| 561 ngx_http_script_len_code_pt lcode; | |
| 562 ngx_http_script_regex_code_t *code; | |
| 563 | |
| 564 code = (ngx_http_script_regex_code_t *) e->ip; | |
| 565 | |
| 566 r = e->request; | |
| 567 | |
| 568 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 569 "http script regex: \"%V\"", &code->name); | |
| 570 | |
| 571 if (code->uri) { | |
| 515 | 572 e->line = r->uri; |
| 509 | 573 } else { |
| 574 e->sp--; | |
| 573 | 575 e->line.len = e->sp->len; |
| 576 e->line.data = e->sp->data; | |
| 509 | 577 } |
| 507 | 578 |
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579 if (code->ncaptures && r->captures == NULL) { |
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580 |
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581 r->captures = ngx_palloc(r->pool, |
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582 (NGX_HTTP_MAX_CAPTURES + 1) * 3 * sizeof(int)); |
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583 if (r->captures == NULL) { |
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584 e->ip = ngx_http_script_exit; |
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585 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; |
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586 return; |
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587 } |
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588 } |
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589 |
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590 rc = ngx_regex_exec(code->regex, &e->line, r->captures, code->ncaptures); |
| 509 | 591 |
| 592 if (rc == NGX_REGEX_NO_MATCHED) { | |
| 2397 | 593 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
| 509 | 594 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
| 515 | 595 "\"%V\" does not match \"%V\"", |
| 596 &code->name, &e->line); | |
| 509 | 597 } |
| 598 | |
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599 r->ncaptures = 0; |
| 515 | 600 |
| 509 | 601 if (code->test) { |
| 631 | 602 if (code->negative_test) { |
| 603 e->sp->len = 1; | |
| 604 e->sp->data = (u_char *) "1"; | |
| 605 | |
| 606 } else { | |
| 607 e->sp->len = 0; | |
| 608 e->sp->data = (u_char *) ""; | |
| 609 } | |
| 610 | |
| 509 | 611 e->sp++; |
| 612 | |
| 613 e->ip += sizeof(ngx_http_script_regex_code_t); | |
| 614 return; | |
| 615 } | |
| 616 | |
| 617 e->ip += code->next; | |
| 618 return; | |
| 619 } | |
| 620 | |
| 621 if (rc < 0) { | |
| 622 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
| 623 ngx_regex_exec_n " failed: %d on \"%V\" using \"%V\"", | |
| 515 | 624 rc, &e->line, &code->name); |
| 509 | 625 |
| 626 e->ip = ngx_http_script_exit; | |
| 627 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 628 return; | |
| 629 } | |
| 630 | |
| 2397 | 631 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
| 509 | 632 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
| 515 | 633 "\"%V\" matches \"%V\"", &code->name, &e->line); |
| 509 | 634 } |
| 635 | |
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636 r->ncaptures = code->ncaptures; |
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637 r->captures_data = e->line.data; |
| 515 | 638 |
| 509 | 639 if (code->test) { |
| 631 | 640 if (code->negative_test) { |
| 641 e->sp->len = 0; | |
| 642 e->sp->data = (u_char *) ""; | |
| 643 | |
| 644 } else { | |
| 645 e->sp->len = 1; | |
| 646 e->sp->data = (u_char *) "1"; | |
| 647 } | |
| 648 | |
| 509 | 649 e->sp++; |
| 650 | |
| 651 e->ip += sizeof(ngx_http_script_regex_code_t); | |
| 652 return; | |
| 653 } | |
| 654 | |
| 655 if (code->status) { | |
| 656 e->status = code->status; | |
| 507 | 657 |
| 509 | 658 if (!code->redirect) { |
| 659 e->ip = ngx_http_script_exit; | |
| 660 return; | |
| 661 } | |
| 662 } | |
| 663 | |
| 664 if (code->uri) { | |
| 665 r->internal = 1; | |
| 666 r->valid_unparsed_uri = 0; | |
| 667 | |
| 668 if (code->break_cycle) { | |
| 669 r->valid_location = 0; | |
| 527 | 670 r->uri_changed = 0; |
| 509 | 671 |
| 672 } else { | |
| 673 r->uri_changed = 1; | |
| 674 } | |
| 675 } | |
| 676 | |
| 677 if (code->lengths == NULL) { | |
| 678 e->buf.len = code->size; | |
| 679 | |
| 680 if (code->uri) { | |
| 681 if (rc && (r->quoted_uri || r->plus_in_uri)) { | |
| 682 e->buf.len += 2 * ngx_escape_uri(NULL, r->uri.data, r->uri.len, | |
| 683 NGX_ESCAPE_ARGS); | |
| 684 } | |
| 685 } | |
| 686 | |
| 687 for (n = 1; n < (ngx_uint_t) rc; n++) { | |
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688 e->buf.len += r->captures[2 * n + 1] - r->captures[2 * n]; |
| 509 | 689 } |
| 690 | |
| 691 } else { | |
| 692 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
| 693 | |
| 694 le.ip = code->lengths->elts; | |
| 679 | 695 le.line = e->line; |
| 509 | 696 le.request = r; |
| 679 | 697 le.quote = code->redirect; |
| 509 | 698 |
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699 len = 0; |
| 509 | 700 |
| 701 while (*(uintptr_t *) le.ip) { | |
| 702 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 703 len += lcode(&le); | |
| 704 } | |
| 705 | |
| 706 e->buf.len = len; | |
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707 e->is_args = le.is_args; |
| 509 | 708 } |
| 709 | |
| 515 | 710 if (code->add_args && r->args.len) { |
| 509 | 711 e->buf.len += r->args.len + 1; |
| 712 } | |
| 713 | |
| 2049 | 714 e->buf.data = ngx_pnalloc(r->pool, e->buf.len); |
| 509 | 715 if (e->buf.data == NULL) { |
| 716 e->ip = ngx_http_script_exit; | |
| 717 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 507 | 718 return; |
| 719 } | |
| 720 | |
| 509 | 721 e->quote = code->redirect; |
| 722 | |
| 723 e->pos = e->buf.data; | |
| 724 | |
| 725 e->ip += sizeof(ngx_http_script_regex_code_t); | |
| 726 } | |
| 727 | |
| 728 | |
| 729 void | |
| 730 ngx_http_script_regex_end_code(ngx_http_script_engine_t *e) | |
| 731 { | |
| 577 | 732 u_char *dst, *src; |
| 509 | 733 ngx_http_request_t *r; |
| 734 ngx_http_script_regex_end_code_t *code; | |
| 735 | |
| 736 code = (ngx_http_script_regex_end_code_t *) e->ip; | |
| 737 | |
| 738 r = e->request; | |
| 739 | |
| 740 e->quote = 0; | |
| 741 | |
| 742 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 743 "http script regex end"); | |
| 744 | |
| 745 if (code->redirect) { | |
| 746 | |
| 577 | 747 dst = e->buf.data; |
| 748 src = e->buf.data; | |
| 749 | |
| 1593 | 750 ngx_unescape_uri(&dst, &src, e->pos - e->buf.data, |
| 751 NGX_UNESCAPE_REDIRECT); | |
| 577 | 752 |
| 753 if (src < e->pos) { | |
| 754 dst = ngx_copy(dst, src, e->pos - src); | |
| 755 } | |
| 756 | |
| 757 e->pos = dst; | |
| 758 | |
| 759 if (code->add_args && r->args.len) { | |
| 509 | 760 *e->pos++ = (u_char) (code->args ? '&' : '?'); |
| 573 | 761 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
| 509 | 762 } |
| 763 | |
| 764 e->buf.len = e->pos - e->buf.data; | |
| 765 | |
| 2397 | 766 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
| 509 | 767 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
| 768 "rewritten redirect: \"%V\"", &e->buf); | |
| 769 } | |
| 770 | |
| 771 r->headers_out.location = ngx_list_push(&r->headers_out.headers); | |
| 772 if (r->headers_out.location == NULL) { | |
| 773 e->ip = ngx_http_script_exit; | |
| 774 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 775 return; | |
| 776 } | |
| 777 | |
| 577 | 778 r->headers_out.location->hash = 1; |
| 509 | 779 r->headers_out.location->key.len = sizeof("Location") - 1; |
| 780 r->headers_out.location->key.data = (u_char *) "Location"; | |
| 781 r->headers_out.location->value = e->buf; | |
| 782 | |
| 783 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
| 784 return; | |
| 785 } | |
| 786 | |
| 577 | 787 if (e->args) { |
| 509 | 788 e->buf.len = e->args - e->buf.data; |
| 789 | |
| 790 if (code->add_args && r->args.len) { | |
| 791 *e->pos++ = '&'; | |
| 573 | 792 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
| 509 | 793 } |
| 794 | |
| 795 r->args.len = e->pos - e->args; | |
| 796 r->args.data = e->args; | |
| 797 | |
| 798 e->args = NULL; | |
| 799 | |
| 800 } else { | |
| 801 e->buf.len = e->pos - e->buf.data; | |
| 673 | 802 |
| 803 if (!code->add_args) { | |
| 804 r->args.len = 0; | |
| 805 } | |
| 509 | 806 } |
| 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 data: \"%V\", args: \"%V\"", | |
| 811 &e->buf, &r->args); | |
| 812 } | |
| 813 | |
| 814 if (code->uri) { | |
| 815 r->uri = e->buf; | |
| 816 | |
| 535 | 817 if (r->uri.len == 0) { |
| 818 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 819 "the rewritten URI has a zero length"); | |
| 820 e->ip = ngx_http_script_exit; | |
| 821 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 822 return; | |
| 823 } | |
| 824 | |
| 509 | 825 if (ngx_http_set_exten(r) != NGX_OK) { |
| 826 e->ip = ngx_http_script_exit; | |
| 827 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 828 return; | |
| 829 } | |
| 830 } | |
| 831 | |
| 832 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
| 833 } | |
| 834 | |
|
2547
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|
835 |
|
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|
836 size_t |
|
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837 ngx_http_script_copy_capture_len_code(ngx_http_script_engine_t *e) |
|
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838 { |
|
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839 int *cap; |
|
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840 u_char *p; |
|
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841 ngx_uint_t n; |
|
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842 ngx_http_request_t *r; |
|
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843 ngx_http_script_copy_capture_code_t *code; |
|
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844 |
|
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845 r = e->request; |
|
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846 |
|
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847 code = (ngx_http_script_copy_capture_code_t *) e->ip; |
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848 |
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849 e->ip += sizeof(ngx_http_script_copy_capture_code_t); |
|
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850 |
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851 n = code->n; |
|
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852 |
|
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853 if (n < r->ncaptures) { |
|
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854 |
|
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855 cap = r->captures; |
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856 |
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857 if ((e->is_args || e->quote) |
|
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858 && (e->request->quoted_uri || e->request->plus_in_uri)) |
|
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859 { |
|
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860 p = r->captures_data; |
|
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861 |
|
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862 return cap[n + 1] - cap[n] |
|
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863 + 2 * ngx_escape_uri(NULL, &p[cap[n]], cap[n + 1] - cap[n], |
|
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864 NGX_ESCAPE_ARGS); |
|
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865 } else { |
|
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866 return cap[n + 1] - cap[n]; |
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867 } |
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868 } |
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869 |
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870 return 0; |
|
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|
871 } |
|
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872 |
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873 |
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874 void |
|
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875 ngx_http_script_copy_capture_code(ngx_http_script_engine_t *e) |
|
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876 { |
|
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877 int *cap; |
|
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878 u_char *p, *pos; |
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879 ngx_uint_t n; |
|
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880 ngx_http_request_t *r; |
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881 ngx_http_script_copy_capture_code_t *code; |
|
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882 |
|
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883 r = e->request; |
|
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|
884 |
|
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|
885 code = (ngx_http_script_copy_capture_code_t *) e->ip; |
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|
886 |
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887 e->ip += sizeof(ngx_http_script_copy_capture_code_t); |
|
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888 |
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889 n = code->n; |
|
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890 |
|
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|
891 pos = e->pos; |
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892 |
|
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893 if (n < r->ncaptures) { |
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894 |
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|
895 cap = r->captures; |
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896 p = r->captures_data; |
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|
897 |
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898 if ((e->is_args || e->quote) |
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899 && (e->request->quoted_uri || e->request->plus_in_uri)) |
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900 { |
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901 e->pos = (u_char *) ngx_escape_uri(pos, &p[cap[n]], |
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902 cap[n + 1] - cap[n], |
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903 NGX_ESCAPE_ARGS); |
|
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904 } else { |
|
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905 e->pos = ngx_copy(pos, &p[cap[n]], cap[n + 1] - cap[n]); |
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906 } |
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907 } |
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|
908 |
|
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909 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
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910 "http script capture: \"%*s\"", e->pos - pos, pos); |
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911 } |
|
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912 |
| 517 | 913 #endif |
| 914 | |
| 509 | 915 |
| 916 void | |
| 917 ngx_http_script_return_code(ngx_http_script_engine_t *e) | |
| 577 | 918 { |
| 509 | 919 ngx_http_script_return_code_t *code; |
| 577 | 920 |
| 509 | 921 code = (ngx_http_script_return_code_t *) e->ip; |
| 922 | |
| 923 e->status = code->status; | |
| 924 | |
| 653 | 925 if (code->status == NGX_HTTP_NO_CONTENT) { |
| 926 e->request->header_only = 1; | |
|
730
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|
927 e->request->zero_body = 1; |
| 653 | 928 } |
| 929 | |
| 509 | 930 e->ip += sizeof(ngx_http_script_return_code_t) - sizeof(uintptr_t); |
| 479 | 931 } |
| 509 | 932 |
| 933 | |
| 934 void | |
| 527 | 935 ngx_http_script_break_code(ngx_http_script_engine_t *e) |
| 936 { | |
| 937 e->request->uri_changed = 0; | |
| 938 | |
| 939 e->ip = ngx_http_script_exit; | |
| 940 } | |
| 941 | |
| 942 | |
| 943 void | |
| 509 | 944 ngx_http_script_if_code(ngx_http_script_engine_t *e) |
| 945 { | |
| 946 ngx_http_script_if_code_t *code; | |
| 947 | |
| 948 code = (ngx_http_script_if_code_t *) e->ip; | |
| 949 | |
| 950 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 951 "http script if"); | |
| 952 | |
| 953 e->sp--; | |
| 954 | |
| 573 | 955 if (e->sp->len && e->sp->data[0] != '0') { |
| 509 | 956 if (code->loc_conf) { |
| 957 e->request->loc_conf = code->loc_conf; | |
| 535 | 958 ngx_http_update_location_config(e->request); |
| 509 | 959 } |
| 960 | |
| 961 e->ip += sizeof(ngx_http_script_if_code_t); | |
| 962 return; | |
| 963 } | |
| 964 | |
| 965 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 577 | 966 "http script if: false"); |
| 509 | 967 |
| 968 e->ip += code->next; | |
| 969 } | |
| 970 | |
| 971 | |
| 972 void | |
| 577 | 973 ngx_http_script_equal_code(ngx_http_script_engine_t *e) |
| 974 { | |
| 975 ngx_http_variable_value_t *val, *res; | |
| 976 | |
| 977 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 978 "http script equal"); | |
| 979 | |
| 980 e->sp--; | |
| 981 val = e->sp; | |
| 982 res = e->sp - 1; | |
| 983 | |
| 984 e->ip += sizeof(uintptr_t); | |
| 985 | |
| 2393 | 986 if (val->len == res->len |
| 987 && ngx_strncmp(val->data, res->data, res->len) == 0) | |
| 577 | 988 { |
| 989 *res = ngx_http_variable_true_value; | |
| 990 return; | |
| 991 } | |
| 992 | |
| 993 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 994 "http script equal: no"); | |
| 995 | |
| 996 *res = ngx_http_variable_null_value; | |
| 997 } | |
| 998 | |
| 999 | |
| 1000 void | |
| 1001 ngx_http_script_not_equal_code(ngx_http_script_engine_t *e) | |
| 1002 { | |
| 1003 ngx_http_variable_value_t *val, *res; | |
| 1004 | |
| 1005 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1006 "http script not equal"); | |
| 1007 | |
| 1008 e->sp--; | |
| 1009 val = e->sp; | |
| 1010 res = e->sp - 1; | |
| 1011 | |
| 1012 e->ip += sizeof(uintptr_t); | |
| 1013 | |
| 2393 | 1014 if (val->len == res->len |
| 1015 && ngx_strncmp(val->data, res->data, res->len) == 0) | |
| 577 | 1016 { |
| 1017 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1018 "http script not equal: no"); | |
| 1019 | |
| 1020 *res = ngx_http_variable_null_value; | |
| 1021 return; | |
| 1022 } | |
| 1023 | |
| 1024 *res = ngx_http_variable_true_value; | |
| 1025 } | |
| 1026 | |
| 1027 | |
| 1028 void | |
| 631 | 1029 ngx_http_script_file_code(ngx_http_script_engine_t *e) |
| 1030 { | |
| 1454 | 1031 ngx_str_t path; |
| 1032 ngx_http_request_t *r; | |
| 1033 ngx_open_file_info_t of; | |
| 1034 ngx_http_core_loc_conf_t *clcf; | |
| 631 | 1035 ngx_http_variable_value_t *value; |
| 1036 ngx_http_script_file_code_t *code; | |
| 1037 | |
| 1038 value = e->sp - 1; | |
| 1039 | |
| 1040 code = (ngx_http_script_file_code_t *) e->ip; | |
| 1041 e->ip += sizeof(ngx_http_script_file_code_t); | |
| 1042 | |
| 1454 | 1043 path.len = value->len - 1; |
| 1044 path.data = value->data; | |
| 1045 | |
| 1046 r = e->request; | |
| 1047 | |
| 1048 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1049 "http script file op %p \"%V\"", code->op, &path); | |
| 1050 | |
| 1051 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 631 | 1052 |
|
2068
75a8d34459c5
ngx_memzero() ngx_open_file_info_t
Igor Sysoev <igor@sysoev.ru>
parents:
2063
diff
changeset
|
1053 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
|
1054 |
| 2129 | 1055 of.directio = clcf->directio; |
|
1767
c42431762903
open_file_cache_retest > open_file_cache_valid
Igor Sysoev <igor@sysoev.ru>
parents:
1593
diff
changeset
|
1056 of.valid = clcf->open_file_cache_valid; |
| 1772 | 1057 of.min_uses = clcf->open_file_cache_min_uses; |
| 1454 | 1058 of.errors = clcf->open_file_cache_errors; |
| 1457 | 1059 of.events = clcf->open_file_cache_events; |
| 631 | 1060 |
| 1454 | 1061 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) |
| 1799 | 1062 != NGX_OK) |
| 1454 | 1063 { |
| 1064 if (of.err != NGX_ENOENT && of.err != NGX_ENOTDIR) { | |
| 1065 ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err, | |
| 631 | 1066 ngx_file_info_n " \"%s\" failed", value->data); |
| 1067 } | |
| 1068 | |
| 1069 switch (code->op) { | |
| 671 | 1070 |
| 631 | 1071 case ngx_http_script_file_plain: |
| 669 | 1072 case ngx_http_script_file_dir: |
| 1073 case ngx_http_script_file_exists: | |
| 1074 case ngx_http_script_file_exec: | |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1075 goto false_value; |
| 671 | 1076 |
| 631 | 1077 case ngx_http_script_file_not_plain: |
| 669 | 1078 case ngx_http_script_file_not_dir: |
| 671 | 1079 case ngx_http_script_file_not_exists: |
| 669 | 1080 case ngx_http_script_file_not_exec: |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1081 goto true_value; |
| 631 | 1082 } |
| 1083 | |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1084 goto false_value; |
| 631 | 1085 } |
| 1086 | |
| 1087 switch (code->op) { | |
| 1088 case ngx_http_script_file_plain: | |
| 1454 | 1089 if (of.is_file) { |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1090 goto true_value; |
| 631 | 1091 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1092 goto false_value; |
| 631 | 1093 |
| 1094 case ngx_http_script_file_not_plain: | |
| 1454 | 1095 if (of.is_file) { |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1096 goto false_value; |
| 631 | 1097 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1098 goto true_value; |
| 669 | 1099 |
| 1100 case ngx_http_script_file_dir: | |
| 1454 | 1101 if (of.is_dir) { |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1102 goto true_value; |
| 669 | 1103 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1104 goto false_value; |
| 669 | 1105 |
| 1106 case ngx_http_script_file_not_dir: | |
| 1454 | 1107 if (of.is_dir) { |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1108 goto false_value; |
| 669 | 1109 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1110 goto true_value; |
| 669 | 1111 |
| 1112 case ngx_http_script_file_exists: | |
| 1454 | 1113 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
|
1114 goto true_value; |
| 669 | 1115 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1116 goto false_value; |
| 669 | 1117 |
| 1118 case ngx_http_script_file_not_exists: | |
| 1454 | 1119 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
|
1120 goto false_value; |
| 669 | 1121 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1122 goto true_value; |
| 669 | 1123 |
| 1124 case ngx_http_script_file_exec: | |
| 1454 | 1125 if (of.is_exec) { |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1126 goto true_value; |
| 669 | 1127 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1128 goto false_value; |
| 669 | 1129 |
| 1130 case ngx_http_script_file_not_exec: | |
| 1454 | 1131 if (of.is_exec) { |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1132 goto false_value; |
| 669 | 1133 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1134 goto true_value; |
| 631 | 1135 } |
| 1136 | |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1137 false_value: |
| 631 | 1138 |
| 1454 | 1139 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 631 | 1140 "http script file op false"); |
| 1141 | |
| 1142 *value = ngx_http_variable_null_value; | |
| 1143 return; | |
| 1144 | |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1145 true_value: |
| 631 | 1146 |
| 1147 *value = ngx_http_variable_true_value; | |
| 1148 return; | |
| 1149 } | |
| 1150 | |
| 1151 | |
| 1152 void | |
| 515 | 1153 ngx_http_script_complex_value_code(ngx_http_script_engine_t *e) |
| 1154 { | |
| 1155 size_t len; | |
| 1156 ngx_http_script_engine_t le; | |
| 1157 ngx_http_script_len_code_pt lcode; | |
| 1158 ngx_http_script_complex_value_code_t *code; | |
| 1159 | |
| 1160 code = (ngx_http_script_complex_value_code_t *) e->ip; | |
| 1161 | |
| 1162 e->ip += sizeof(ngx_http_script_complex_value_code_t); | |
| 1163 | |
| 1164 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1165 "http script complex value"); | |
| 1166 | |
| 1167 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
| 1168 | |
| 1169 le.ip = code->lengths->elts; | |
| 655 | 1170 le.line = e->line; |
| 515 | 1171 le.request = e->request; |
| 655 | 1172 le.quote = e->quote; |
| 515 | 1173 |
| 1174 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) { | |
| 1175 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 1176 } | |
| 1177 | |
| 1178 e->buf.len = len; | |
| 2049 | 1179 e->buf.data = ngx_pnalloc(e->request->pool, len); |
| 515 | 1180 if (e->buf.data == NULL) { |
| 1181 e->ip = ngx_http_script_exit; | |
| 1182 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 1183 return; | |
| 1184 } | |
| 1185 | |
| 1186 e->pos = e->buf.data; | |
| 1187 | |
| 577 | 1188 e->sp->len = e->buf.len; |
| 573 | 1189 e->sp->data = e->buf.data; |
| 515 | 1190 e->sp++; |
| 1191 } | |
| 1192 | |
| 1193 | |
| 1194 void | |
| 509 | 1195 ngx_http_script_value_code(ngx_http_script_engine_t *e) |
| 1196 { | |
| 1197 ngx_http_script_value_code_t *code; | |
| 1198 | |
| 1199 code = (ngx_http_script_value_code_t *) e->ip; | |
| 1200 | |
| 1201 e->ip += sizeof(ngx_http_script_value_code_t); | |
| 1202 | |
| 573 | 1203 e->sp->len = code->text_len; |
| 1204 e->sp->data = (u_char *) code->text_data; | |
| 577 | 1205 |
| 1206 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1561 | 1207 "http script value: \"%v\"", e->sp); |
| 577 | 1208 |
| 509 | 1209 e->sp++; |
| 1210 } | |
| 1211 | |
| 1212 | |
| 1213 void | |
| 1214 ngx_http_script_set_var_code(ngx_http_script_engine_t *e) | |
| 1215 { | |
| 1216 ngx_http_request_t *r; | |
| 1217 ngx_http_script_var_code_t *code; | |
| 1218 | |
| 1219 code = (ngx_http_script_var_code_t *) e->ip; | |
| 1220 | |
| 1221 e->ip += sizeof(ngx_http_script_var_code_t); | |
| 1222 | |
| 1223 r = e->request; | |
| 1224 | |
| 1225 e->sp--; | |
| 1226 | |
| 573 | 1227 r->variables[code->index].len = e->sp->len; |
| 1228 r->variables[code->index].valid = 1; | |
| 1565 | 1229 r->variables[code->index].no_cacheable = 0; |
| 573 | 1230 r->variables[code->index].not_found = 0; |
| 1231 r->variables[code->index].data = e->sp->data; | |
| 2393 | 1232 |
| 1233 #if (NGX_DEBUG) | |
| 1234 { | |
| 1235 ngx_http_variable_t *v; | |
| 1236 ngx_http_core_main_conf_t *cmcf; | |
| 1237 | |
| 1238 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 1239 | |
| 1240 v = cmcf->variables.elts; | |
| 1241 | |
| 1242 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1243 "http script set $%V", &v[code->index].name); | |
| 1244 } | |
| 1245 #endif | |
| 509 | 1246 } |
| 1247 | |
| 1248 | |
| 1249 void | |
| 637 | 1250 ngx_http_script_var_set_handler_code(ngx_http_script_engine_t *e) |
| 1251 { | |
| 1252 ngx_http_script_var_handler_code_t *code; | |
| 1253 | |
| 1254 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1255 "http script set var handler"); | |
| 1256 | |
| 1257 code = (ngx_http_script_var_handler_code_t *) e->ip; | |
| 1258 | |
| 1259 e->ip += sizeof(ngx_http_script_var_handler_code_t); | |
| 1260 | |
| 1261 e->sp--; | |
| 1262 | |
| 1263 code->handler(e->request, e->sp, code->data); | |
| 1264 } | |
| 1265 | |
| 1266 | |
| 1267 void | |
| 509 | 1268 ngx_http_script_var_code(ngx_http_script_engine_t *e) |
| 1269 { | |
| 1270 ngx_http_variable_value_t *value; | |
| 1271 ngx_http_script_var_code_t *code; | |
| 1272 | |
| 1273 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1274 "http script var"); | |
| 1275 | |
| 1276 code = (ngx_http_script_var_code_t *) e->ip; | |
| 1277 | |
| 1278 e->ip += sizeof(ngx_http_script_var_code_t); | |
| 1279 | |
| 573 | 1280 value = ngx_http_get_flushed_variable(e->request, code->index); |
| 509 | 1281 |
| 573 | 1282 if (value && !value->not_found) { |
| 1283 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
|
1284 "http script var: \"%v\"", value); |
| 573 | 1285 |
| 553 | 1286 *e->sp = *value; |
| 509 | 1287 e->sp++; |
| 1288 | |
| 1289 return; | |
| 1290 } | |
| 1291 | |
| 577 | 1292 *e->sp = ngx_http_variable_null_value; |
| 509 | 1293 e->sp++; |
| 1294 } | |
| 1295 | |
| 1296 | |
| 1297 void | |
| 1298 ngx_http_script_nop_code(ngx_http_script_engine_t *e) | |
| 1299 { | |
| 1300 e->ip += sizeof(uintptr_t); | |
| 1301 } |