Mercurial > hg > nginx
annotate src/http/ngx_http_script.c @ 845:eb5cf273e5d2
debug log should not be under rewrite_log control
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Tue, 14 Nov 2006 12:45:03 +0000 |
| parents | 1be87cdd010f |
| children | a9715f8f17a5 |
| rev | line source |
|---|---|
|
441
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
99
diff
changeset
|
1 |
|
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
99
diff
changeset
|
2 /* |
|
444
42d11f017717
nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
Igor Sysoev <igor@sysoev.ru>
parents:
441
diff
changeset
|
3 * Copyright (C) Igor Sysoev |
|
441
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
99
diff
changeset
|
4 */ |
|
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
99
diff
changeset
|
5 |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
6 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
7 #include <ngx_config.h> |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
8 #include <ngx_core.h> |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
9 #include <ngx_http.h> |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
10 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
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) | |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
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 } | |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
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; | |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
223 |
| 509 | 224 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t), |
| 225 &sc->main); | |
| 226 if (code == NULL) { | |
| 507 | 227 return NGX_ERROR; |
| 228 } | |
| 229 | |
| 509 | 230 *code = (uintptr_t) ngx_http_script_start_args_code; |
| 231 | |
| 232 i++; | |
| 233 | |
| 507 | 234 continue; |
| 235 } | |
| 236 | |
| 509 | 237 name.data = &sc->source->data[i]; |
| 238 | |
| 239 while (i < sc->source->len | |
| 240 && sc->source->data[i] != '$' | |
| 241 && !(sc->source->data[i] == '?' && sc->compile_args)) | |
| 242 { | |
| 243 i++; | |
| 244 name.len++; | |
| 245 } | |
| 246 | |
| 247 sc->size += name.len; | |
| 248 | |
| 249 copy = ngx_http_script_add_code(*sc->lengths, | |
| 250 sizeof(ngx_http_script_copy_code_t), | |
| 251 NULL); | |
| 252 if (copy == NULL) { | |
| 507 | 253 return NGX_ERROR; |
| 254 } | |
| 509 | 255 |
| 256 copy->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code; | |
| 257 copy->len = name.len; | |
| 258 | |
| 259 size = (sizeof(ngx_http_script_copy_code_t) + name.len | |
| 260 + sizeof(uintptr_t) - 1) | |
| 261 & ~(sizeof(uintptr_t) - 1); | |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
262 |
| 509 | 263 copy = ngx_http_script_add_code(*sc->values, size, &sc->main); |
| 264 if (copy == NULL) { | |
| 265 return NGX_ERROR; | |
| 266 } | |
| 267 | |
| 268 copy->code = ngx_http_script_copy_code; | |
| 269 copy->len = name.len; | |
| 270 | |
| 271 ngx_memcpy((u_char *) copy + sizeof(ngx_http_script_copy_code_t), | |
| 272 name.data, name.len); | |
| 507 | 273 } |
| 274 | |
| 509 | 275 if (sc->complete_lengths) { |
| 276 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), NULL); | |
| 277 if (code == NULL) { | |
| 278 return NGX_ERROR; | |
| 279 } | |
| 507 | 280 |
| 509 | 281 *code = (uintptr_t) NULL; |
| 507 | 282 } |
| 283 | |
| 509 | 284 if (sc->complete_values) { |
| 285 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t), | |
| 286 &sc->main); | |
| 287 if (code == NULL) { | |
| 288 return NGX_ERROR; | |
| 289 } | |
| 290 | |
| 291 *code = (uintptr_t) NULL; | |
| 292 } | |
| 507 | 293 |
| 294 return NGX_OK; | |
| 509 | 295 |
| 296 invalid_variable: | |
| 297 | |
| 298 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, "invalid variable name"); | |
| 299 | |
| 300 return NGX_ERROR; | |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
301 } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
302 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
303 |
| 623 | 304 u_char * |
| 305 ngx_http_script_run(ngx_http_request_t *r, ngx_str_t *value, | |
| 306 void *code_lengths, size_t len, void *code_values) | |
| 307 { | |
| 308 ngx_http_script_code_pt code; | |
| 309 ngx_http_script_len_code_pt lcode; | |
| 310 ngx_http_script_engine_t e; | |
| 311 | |
| 312 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); | |
| 313 | |
| 314 e.ip = code_lengths; | |
| 315 e.request = r; | |
| 316 e.flushed = 1; | |
| 317 | |
| 318 while (*(uintptr_t *) e.ip) { | |
| 319 lcode = *(ngx_http_script_len_code_pt *) e.ip; | |
| 320 len += lcode(&e); | |
| 321 } | |
| 322 | |
| 323 | |
| 324 value->len = len; | |
| 325 value->data = ngx_palloc(r->pool, len); | |
| 326 if (value->data == NULL) { | |
| 327 return NULL; | |
| 328 } | |
| 329 | |
| 330 e.ip = code_values; | |
| 331 e.pos = value->data; | |
| 332 | |
| 333 while (*(uintptr_t *) e.ip) { | |
| 334 code = *(ngx_http_script_code_pt *) e.ip; | |
| 335 code((ngx_http_script_engine_t *) &e); | |
| 336 } | |
| 337 | |
| 338 return e.pos; | |
| 339 } | |
| 340 | |
| 341 | |
| 573 | 342 void |
| 343 ngx_http_script_flush_no_cachable_variables(ngx_http_request_t *r, | |
| 344 ngx_array_t *indices) | |
| 345 { | |
| 346 ngx_uint_t n, *index; | |
| 347 | |
| 348 if (indices) { | |
| 349 index = indices->elts; | |
| 350 for (n = 0; n < indices->nelts; n++) { | |
| 351 if (r->variables[index[n]].no_cachable) { | |
| 352 r->variables[index[n]].valid = 0; | |
| 353 r->variables[index[n]].not_found = 0; | |
| 354 } | |
| 355 } | |
| 356 } | |
| 357 } | |
| 358 | |
| 359 | |
| 509 | 360 void * |
| 507 | 361 ngx_http_script_start_code(ngx_pool_t *pool, ngx_array_t **codes, size_t size) |
| 479 | 362 { |
| 507 | 363 if (*codes == NULL) { |
| 364 *codes = ngx_array_create(pool, 256, 1); | |
| 365 if (*codes == NULL) { | |
| 366 return NULL; | |
| 367 } | |
| 368 } | |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
369 |
| 507 | 370 return ngx_array_push_n(*codes, size); |
| 371 } | |
| 372 | |
| 509 | 373 |
| 374 void * | |
| 375 ngx_http_script_add_code(ngx_array_t *codes, size_t size, void *code) | |
| 376 { | |
| 377 u_char *elts, **p; | |
| 378 void *new; | |
| 379 | |
| 380 elts = codes->elts; | |
| 381 | |
| 382 new = ngx_array_push_n(codes, size); | |
| 383 if (new == NULL) { | |
| 384 return NGX_CONF_ERROR; | |
| 385 } | |
| 386 | |
| 387 if (code) { | |
| 388 if (elts != codes->elts) { | |
| 389 p = code; | |
| 390 *p += (u_char *) codes->elts - elts; | |
| 391 } | |
| 392 } | |
| 393 | |
| 394 return new; | |
| 395 } | |
| 507 | 396 |
| 479 | 397 |
| 507 | 398 size_t |
| 509 | 399 ngx_http_script_copy_len_code(ngx_http_script_engine_t *e) |
| 507 | 400 { |
| 401 ngx_http_script_copy_code_t *code; | |
| 479 | 402 |
| 509 | 403 code = (ngx_http_script_copy_code_t *) e->ip; |
| 507 | 404 |
| 509 | 405 e->ip += sizeof(ngx_http_script_copy_code_t); |
| 507 | 406 |
| 407 return code->len; | |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
408 } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
409 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
410 |
| 507 | 411 void |
| 509 | 412 ngx_http_script_copy_code(ngx_http_script_engine_t *e) |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
413 { |
| 507 | 414 ngx_http_script_copy_code_t *code; |
| 415 | |
| 509 | 416 code = (ngx_http_script_copy_code_t *) e->ip; |
| 417 | |
| 418 if (!e->skip) { | |
| 573 | 419 e->pos = ngx_copy(e->pos, e->ip + sizeof(ngx_http_script_copy_code_t), |
| 420 code->len); | |
| 509 | 421 } |
| 507 | 422 |
| 509 | 423 e->ip += sizeof(ngx_http_script_copy_code_t) |
| 424 + ((code->len + sizeof(uintptr_t) - 1) & ~(sizeof(uintptr_t) - 1)); | |
| 507 | 425 |
|
845
eb5cf273e5d2
debug log should not be under rewrite_log control
Igor Sysoev <igor@sysoev.ru>
parents:
730
diff
changeset
|
426 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
|
eb5cf273e5d2
debug log should not be under rewrite_log control
Igor Sysoev <igor@sysoev.ru>
parents:
730
diff
changeset
|
427 "http script copy: \"%V\"", &e->buf); |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
428 } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
429 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
430 |
| 507 | 431 size_t |
| 509 | 432 ngx_http_script_copy_var_len_code(ngx_http_script_engine_t *e) |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
433 { |
| 507 | 434 ngx_http_variable_value_t *value; |
| 435 ngx_http_script_var_code_t *code; | |
| 436 | |
| 509 | 437 code = (ngx_http_script_var_code_t *) e->ip; |
| 507 | 438 |
| 509 | 439 e->ip += sizeof(ngx_http_script_var_code_t); |
| 507 | 440 |
| 573 | 441 if (e->flushed) { |
| 442 value = ngx_http_get_indexed_variable(e->request, code->index); | |
| 507 | 443 |
| 573 | 444 } else { |
| 445 value = ngx_http_get_flushed_variable(e->request, code->index); | |
| 446 } | |
| 447 | |
| 448 if (value && !value->not_found) { | |
| 449 return value->len; | |
| 507 | 450 } |
| 451 | |
| 553 | 452 return 0; |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
453 } |
| 479 | 454 |
| 455 | |
| 507 | 456 void |
| 509 | 457 ngx_http_script_copy_var_code(ngx_http_script_engine_t *e) |
| 479 | 458 { |
| 507 | 459 ngx_http_variable_value_t *value; |
| 460 ngx_http_script_var_code_t *code; | |
| 461 | |
| 509 | 462 code = (ngx_http_script_var_code_t *) e->ip; |
| 463 | |
| 464 e->ip += sizeof(ngx_http_script_var_code_t); | |
| 465 | |
| 466 if (!e->skip) { | |
| 573 | 467 |
| 468 if (e->flushed) { | |
| 469 value = ngx_http_get_indexed_variable(e->request, code->index); | |
| 509 | 470 |
| 573 | 471 } else { |
| 472 value = ngx_http_get_flushed_variable(e->request, code->index); | |
| 473 } | |
| 474 | |
| 475 if (value && !value->not_found) { | |
| 476 e->pos = ngx_copy(e->pos, value->data, value->len); | |
| 509 | 477 |
|
845
eb5cf273e5d2
debug log should not be under rewrite_log control
Igor Sysoev <igor@sysoev.ru>
parents:
730
diff
changeset
|
478 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, |
|
eb5cf273e5d2
debug log should not be under rewrite_log control
Igor Sysoev <igor@sysoev.ru>
parents:
730
diff
changeset
|
479 e->request->connection->log, 0, |
|
eb5cf273e5d2
debug log should not be under rewrite_log control
Igor Sysoev <igor@sysoev.ru>
parents:
730
diff
changeset
|
480 "http script var: \"%V\"", &e->buf); |
| 509 | 481 } |
| 482 } | |
| 483 } | |
| 484 | |
| 485 | |
| 486 size_t | |
| 487 ngx_http_script_copy_capture_len_code(ngx_http_script_engine_t *e) | |
| 488 { | |
| 489 ngx_http_script_copy_capture_code_t *code; | |
| 490 | |
| 491 code = (ngx_http_script_copy_capture_code_t *) e->ip; | |
| 492 | |
| 493 e->ip += sizeof(ngx_http_script_copy_capture_code_t); | |
| 494 | |
| 515 | 495 if (code->n < e->ncaptures) { |
| 496 if ((e->args || e->quote) | |
| 497 && (e->request->quoted_uri || e->request->plus_in_uri)) | |
| 498 { | |
| 499 return e->captures[code->n + 1] - e->captures[code->n] | |
| 655 | 500 + 2 * ngx_escape_uri(NULL, |
| 515 | 501 &e->line.data[e->captures[code->n]], |
| 509 | 502 e->captures[code->n + 1] - e->captures[code->n], |
| 503 NGX_ESCAPE_ARGS); | |
| 515 | 504 } else { |
| 505 return e->captures[code->n + 1] - e->captures[code->n]; | |
| 506 } | |
| 509 | 507 } |
| 515 | 508 |
| 509 return 0; | |
| 509 | 510 } |
| 511 | |
| 512 | |
| 513 void | |
| 514 ngx_http_script_copy_capture_code(ngx_http_script_engine_t *e) | |
| 515 { | |
| 516 ngx_http_script_copy_capture_code_t *code; | |
| 517 | |
| 518 code = (ngx_http_script_copy_capture_code_t *) e->ip; | |
| 519 | |
| 520 e->ip += sizeof(ngx_http_script_copy_capture_code_t); | |
| 507 | 521 |
| 515 | 522 if (code->n < e->ncaptures) { |
| 523 if ((e->args || e->quote) | |
| 524 && (e->request->quoted_uri || e->request->plus_in_uri)) | |
| 525 { | |
| 526 e->pos = (u_char *) ngx_escape_uri(e->pos, | |
| 527 &e->line.data[e->captures[code->n]], | |
| 509 | 528 e->captures[code->n + 1] - e->captures[code->n], |
| 529 NGX_ESCAPE_ARGS); | |
| 515 | 530 } else { |
| 573 | 531 e->pos = ngx_copy(e->pos, |
| 532 &e->line.data[e->captures[code->n]], | |
| 533 e->captures[code->n + 1] - e->captures[code->n]); | |
| 515 | 534 } |
| 509 | 535 } |
| 536 | |
| 537 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 538 "http script capture: \"%V\"", &e->buf); | |
| 539 } | |
| 540 | |
| 541 | |
| 542 void | |
| 543 ngx_http_script_start_args_code(ngx_http_script_engine_t *e) | |
| 544 { | |
| 545 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 546 "http script args"); | |
| 577 | 547 |
| 509 | 548 e->args = e->pos; |
| 549 e->ip += sizeof(uintptr_t); | |
| 550 } | |
| 551 | |
| 552 | |
| 517 | 553 |
| 554 #if (NGX_PCRE) | |
| 555 | |
| 509 | 556 void |
| 557 ngx_http_script_regex_start_code(ngx_http_script_engine_t *e) | |
| 558 { | |
| 559 size_t len; | |
| 560 ngx_int_t rc; | |
| 561 ngx_uint_t n; | |
| 562 ngx_http_request_t *r; | |
| 563 ngx_http_script_engine_t le; | |
| 564 ngx_http_script_len_code_pt lcode; | |
| 565 ngx_http_script_regex_code_t *code; | |
| 566 | |
| 567 code = (ngx_http_script_regex_code_t *) e->ip; | |
| 568 | |
| 569 r = e->request; | |
| 570 | |
| 571 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 572 "http script regex: \"%V\"", &code->name); | |
| 573 | |
| 574 if (code->uri) { | |
| 515 | 575 e->line = r->uri; |
| 509 | 576 } else { |
| 577 e->sp--; | |
| 573 | 578 e->line.len = e->sp->len; |
| 579 e->line.data = e->sp->data; | |
| 509 | 580 } |
| 507 | 581 |
| 515 | 582 rc = ngx_regex_exec(code->regex, &e->line, e->captures, code->ncaptures); |
| 509 | 583 |
| 584 if (rc == NGX_REGEX_NO_MATCHED) { | |
| 585 if (e->log) { | |
| 586 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, | |
| 515 | 587 "\"%V\" does not match \"%V\"", |
| 588 &code->name, &e->line); | |
| 509 | 589 } |
| 590 | |
| 515 | 591 e->ncaptures = 0; |
| 592 | |
| 509 | 593 if (code->test) { |
| 631 | 594 if (code->negative_test) { |
| 595 e->sp->len = 1; | |
| 596 e->sp->data = (u_char *) "1"; | |
| 597 | |
| 598 } else { | |
| 599 e->sp->len = 0; | |
| 600 e->sp->data = (u_char *) ""; | |
| 601 } | |
| 602 | |
| 509 | 603 e->sp++; |
| 604 | |
| 605 e->ip += sizeof(ngx_http_script_regex_code_t); | |
| 606 return; | |
| 607 } | |
| 608 | |
| 609 e->ip += code->next; | |
| 610 return; | |
| 611 } | |
| 612 | |
| 613 if (rc < 0) { | |
| 614 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
| 615 ngx_regex_exec_n " failed: %d on \"%V\" using \"%V\"", | |
| 515 | 616 rc, &e->line, &code->name); |
| 509 | 617 |
| 618 e->ip = ngx_http_script_exit; | |
| 619 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 620 return; | |
| 621 } | |
| 622 | |
| 623 if (e->log) { | |
| 624 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, | |
| 515 | 625 "\"%V\" matches \"%V\"", &code->name, &e->line); |
| 509 | 626 } |
| 627 | |
| 515 | 628 e->ncaptures = code->ncaptures; |
| 629 | |
| 509 | 630 if (code->test) { |
| 631 | 631 if (code->negative_test) { |
| 632 e->sp->len = 0; | |
| 633 e->sp->data = (u_char *) ""; | |
| 634 | |
| 635 } else { | |
| 636 e->sp->len = 1; | |
| 637 e->sp->data = (u_char *) "1"; | |
| 638 } | |
| 639 | |
| 509 | 640 e->sp++; |
| 641 | |
| 642 e->ip += sizeof(ngx_http_script_regex_code_t); | |
| 643 return; | |
| 644 } | |
| 645 | |
| 646 if (code->status) { | |
| 647 e->status = code->status; | |
| 507 | 648 |
| 509 | 649 if (!code->redirect) { |
| 650 e->ip = ngx_http_script_exit; | |
| 651 return; | |
| 652 } | |
| 653 } | |
| 654 | |
| 655 if (code->uri) { | |
| 656 r->internal = 1; | |
| 657 r->valid_unparsed_uri = 0; | |
| 658 | |
| 659 if (code->break_cycle) { | |
| 660 r->valid_location = 0; | |
| 527 | 661 r->uri_changed = 0; |
| 509 | 662 |
| 663 } else { | |
| 664 r->uri_changed = 1; | |
| 665 } | |
| 666 } | |
| 667 | |
| 668 if (code->lengths == NULL) { | |
| 669 e->buf.len = code->size; | |
| 670 | |
| 671 if (code->uri) { | |
| 672 if (rc && (r->quoted_uri || r->plus_in_uri)) { | |
| 673 e->buf.len += 2 * ngx_escape_uri(NULL, r->uri.data, r->uri.len, | |
| 674 NGX_ESCAPE_ARGS); | |
| 675 } | |
| 676 } | |
| 677 | |
| 678 for (n = 1; n < (ngx_uint_t) rc; n++) { | |
| 679 e->buf.len += e->captures[2 * n + 1] - e->captures[2 * n]; | |
| 680 } | |
| 681 | |
| 682 } else { | |
| 683 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
| 684 | |
| 685 le.ip = code->lengths->elts; | |
| 679 | 686 le.line = e->line; |
| 509 | 687 le.request = r; |
| 688 le.captures = e->captures; | |
| 515 | 689 le.ncaptures = e->ncaptures; |
| 679 | 690 le.quote = code->redirect; |
| 509 | 691 |
| 692 len = 1; /* reserve 1 byte for possible "?" */ | |
| 693 | |
| 694 while (*(uintptr_t *) le.ip) { | |
| 695 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 696 len += lcode(&le); | |
| 697 } | |
| 698 | |
| 699 e->buf.len = len; | |
| 700 } | |
| 701 | |
| 515 | 702 if (code->add_args && r->args.len) { |
| 509 | 703 e->buf.len += r->args.len + 1; |
| 704 } | |
| 705 | |
| 706 e->buf.data = ngx_palloc(r->pool, e->buf.len); | |
| 707 if (e->buf.data == NULL) { | |
| 708 e->ip = ngx_http_script_exit; | |
| 709 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 507 | 710 return; |
| 711 } | |
| 712 | |
| 509 | 713 e->quote = code->redirect; |
| 714 | |
| 715 e->pos = e->buf.data; | |
| 716 | |
| 717 e->ip += sizeof(ngx_http_script_regex_code_t); | |
| 718 } | |
| 719 | |
| 720 | |
| 721 void | |
| 722 ngx_http_script_regex_end_code(ngx_http_script_engine_t *e) | |
| 723 { | |
| 577 | 724 u_char *dst, *src; |
| 509 | 725 ngx_http_request_t *r; |
| 726 ngx_http_script_regex_end_code_t *code; | |
| 727 | |
| 728 code = (ngx_http_script_regex_end_code_t *) e->ip; | |
| 729 | |
| 730 r = e->request; | |
| 731 | |
| 732 e->quote = 0; | |
| 733 | |
| 734 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 735 "http script regex end"); | |
| 736 | |
| 737 if (code->redirect) { | |
| 738 | |
| 577 | 739 dst = e->buf.data; |
| 740 src = e->buf.data; | |
| 741 | |
| 601 | 742 ngx_unescape_uri(&dst, &src, e->pos - e->buf.data, NGX_UNESCAPE_URI); |
| 577 | 743 |
| 744 if (src < e->pos) { | |
| 745 dst = ngx_copy(dst, src, e->pos - src); | |
| 746 } | |
| 747 | |
| 748 e->pos = dst; | |
| 749 | |
| 750 if (code->add_args && r->args.len) { | |
| 509 | 751 *e->pos++ = (u_char) (code->args ? '&' : '?'); |
| 573 | 752 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
| 509 | 753 } |
| 754 | |
| 755 e->buf.len = e->pos - e->buf.data; | |
| 756 | |
| 757 if (e->log) { | |
| 758 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, | |
| 759 "rewritten redirect: \"%V\"", &e->buf); | |
| 760 } | |
| 761 | |
| 762 r->headers_out.location = ngx_list_push(&r->headers_out.headers); | |
| 763 if (r->headers_out.location == NULL) { | |
| 764 e->ip = ngx_http_script_exit; | |
| 765 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 766 return; | |
| 767 } | |
| 768 | |
| 577 | 769 r->headers_out.location->hash = 1; |
| 509 | 770 r->headers_out.location->key.len = sizeof("Location") - 1; |
| 771 r->headers_out.location->key.data = (u_char *) "Location"; | |
| 772 r->headers_out.location->value = e->buf; | |
| 773 | |
| 774 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
| 775 return; | |
| 776 } | |
| 777 | |
| 577 | 778 if (e->args) { |
| 509 | 779 e->buf.len = e->args - e->buf.data; |
| 780 | |
| 781 if (code->add_args && r->args.len) { | |
| 782 *e->pos++ = '&'; | |
| 573 | 783 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
| 509 | 784 } |
| 785 | |
| 786 r->args.len = e->pos - e->args; | |
| 787 r->args.data = e->args; | |
| 788 | |
| 789 e->args = NULL; | |
| 790 | |
| 791 } else { | |
| 792 e->buf.len = e->pos - e->buf.data; | |
| 673 | 793 |
| 794 if (!code->add_args) { | |
| 795 r->args.len = 0; | |
| 796 } | |
| 509 | 797 } |
| 798 | |
| 799 if (e->log) { | |
| 800 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, | |
| 801 "rewritten data: \"%V\", args: \"%V\"", | |
| 802 &e->buf, &r->args); | |
| 803 } | |
| 804 | |
| 805 if (code->uri) { | |
| 806 r->uri = e->buf; | |
| 807 | |
| 535 | 808 if (r->uri.len == 0) { |
| 809 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 810 "the rewritten URI has a zero length"); | |
| 811 e->ip = ngx_http_script_exit; | |
| 812 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 813 return; | |
| 814 } | |
| 815 | |
| 509 | 816 if (ngx_http_set_exten(r) != NGX_OK) { |
| 817 e->ip = ngx_http_script_exit; | |
| 818 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 819 return; | |
| 820 } | |
| 821 } | |
| 822 | |
| 823 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
| 824 } | |
| 825 | |
| 517 | 826 #endif |
| 827 | |
| 509 | 828 |
| 829 void | |
| 830 ngx_http_script_return_code(ngx_http_script_engine_t *e) | |
| 577 | 831 { |
| 509 | 832 ngx_http_script_return_code_t *code; |
| 577 | 833 |
| 509 | 834 code = (ngx_http_script_return_code_t *) e->ip; |
| 835 | |
| 836 e->status = code->status; | |
| 837 | |
| 653 | 838 if (code->status == NGX_HTTP_NO_CONTENT) { |
| 839 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
|
840 e->request->zero_body = 1; |
| 653 | 841 } |
| 842 | |
| 509 | 843 e->ip += sizeof(ngx_http_script_return_code_t) - sizeof(uintptr_t); |
| 479 | 844 } |
| 509 | 845 |
| 846 | |
| 847 void | |
| 527 | 848 ngx_http_script_break_code(ngx_http_script_engine_t *e) |
| 849 { | |
| 850 e->request->uri_changed = 0; | |
| 851 | |
| 852 e->ip = ngx_http_script_exit; | |
| 853 } | |
| 854 | |
| 855 | |
| 856 void | |
| 509 | 857 ngx_http_script_if_code(ngx_http_script_engine_t *e) |
| 858 { | |
| 859 ngx_http_script_if_code_t *code; | |
| 860 | |
| 861 code = (ngx_http_script_if_code_t *) e->ip; | |
| 862 | |
| 863 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 864 "http script if"); | |
| 865 | |
| 866 e->sp--; | |
| 867 | |
| 573 | 868 if (e->sp->len && e->sp->data[0] != '0') { |
| 509 | 869 if (code->loc_conf) { |
| 870 e->request->loc_conf = code->loc_conf; | |
| 535 | 871 ngx_http_update_location_config(e->request); |
| 509 | 872 } |
| 873 | |
| 874 e->ip += sizeof(ngx_http_script_if_code_t); | |
| 875 return; | |
| 876 } | |
| 877 | |
| 878 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 577 | 879 "http script if: false"); |
| 509 | 880 |
| 881 e->ip += code->next; | |
| 882 } | |
| 883 | |
| 884 | |
| 885 void | |
| 577 | 886 ngx_http_script_equal_code(ngx_http_script_engine_t *e) |
| 887 { | |
| 888 ngx_http_variable_value_t *val, *res; | |
| 889 | |
| 890 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 891 "http script equal"); | |
| 892 | |
| 893 e->sp--; | |
| 894 val = e->sp; | |
| 895 res = e->sp - 1; | |
| 896 | |
| 897 e->ip += sizeof(uintptr_t); | |
| 898 | |
| 899 if (val->len == res->len && ngx_strncmp(val->data, res->data, res->len) | |
| 900 == 0) | |
| 901 { | |
| 902 *res = ngx_http_variable_true_value; | |
| 903 return; | |
| 904 } | |
| 905 | |
| 906 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 907 "http script equal: no"); | |
| 908 | |
| 909 *res = ngx_http_variable_null_value; | |
| 910 } | |
| 911 | |
| 912 | |
| 913 void | |
| 914 ngx_http_script_not_equal_code(ngx_http_script_engine_t *e) | |
| 915 { | |
| 916 ngx_http_variable_value_t *val, *res; | |
| 917 | |
| 918 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 919 "http script not equal"); | |
| 920 | |
| 921 e->sp--; | |
| 922 val = e->sp; | |
| 923 res = e->sp - 1; | |
| 924 | |
| 925 e->ip += sizeof(uintptr_t); | |
| 926 | |
| 927 if (val->len == res->len && ngx_strncmp(val->data, res->data, res->len) | |
| 928 == 0) | |
| 929 { | |
| 930 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 931 "http script not equal: no"); | |
| 932 | |
| 933 *res = ngx_http_variable_null_value; | |
| 934 return; | |
| 935 } | |
| 936 | |
| 937 *res = ngx_http_variable_true_value; | |
| 938 } | |
| 939 | |
| 940 | |
| 941 void | |
| 631 | 942 ngx_http_script_file_code(ngx_http_script_engine_t *e) |
| 943 { | |
| 944 ngx_err_t err; | |
| 945 ngx_file_info_t fi; | |
| 946 ngx_http_variable_value_t *value; | |
| 947 ngx_http_script_file_code_t *code; | |
| 948 | |
| 949 value = e->sp - 1; | |
| 950 | |
| 951 code = (ngx_http_script_file_code_t *) e->ip; | |
| 952 e->ip += sizeof(ngx_http_script_file_code_t); | |
| 953 | |
| 954 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 955 "http script file op %p", code->op); | |
| 956 | |
| 957 if (ngx_file_info(value->data, &fi) == -1) { | |
| 958 err = ngx_errno; | |
| 959 | |
| 960 if (err != NGX_ENOENT && err != NGX_ENOTDIR) { | |
| 961 ngx_log_error(NGX_LOG_CRIT, e->request->connection->log, err, | |
| 962 ngx_file_info_n " \"%s\" failed", value->data); | |
| 963 } | |
| 964 | |
| 965 switch (code->op) { | |
| 671 | 966 |
| 631 | 967 case ngx_http_script_file_plain: |
| 669 | 968 case ngx_http_script_file_dir: |
| 969 case ngx_http_script_file_exists: | |
| 970 case ngx_http_script_file_exec: | |
| 631 | 971 goto false; |
| 671 | 972 |
| 631 | 973 case ngx_http_script_file_not_plain: |
| 669 | 974 case ngx_http_script_file_not_dir: |
| 671 | 975 case ngx_http_script_file_not_exists: |
| 669 | 976 case ngx_http_script_file_not_exec: |
| 631 | 977 goto true; |
| 978 } | |
| 979 | |
| 980 goto false; | |
| 981 } | |
| 982 | |
| 983 switch (code->op) { | |
| 984 case ngx_http_script_file_plain: | |
| 985 if (ngx_is_file(&fi)) { | |
| 986 goto true; | |
| 987 } | |
| 988 goto false; | |
| 989 | |
| 990 case ngx_http_script_file_not_plain: | |
| 991 if (ngx_is_file(&fi)) { | |
| 992 goto false; | |
| 993 } | |
| 994 goto true; | |
| 669 | 995 |
| 996 case ngx_http_script_file_dir: | |
| 997 if (ngx_is_dir(&fi)) { | |
| 998 goto true; | |
| 999 } | |
| 1000 goto false; | |
| 1001 | |
| 1002 case ngx_http_script_file_not_dir: | |
| 1003 if (ngx_is_dir(&fi)) { | |
| 1004 goto false; | |
| 1005 } | |
| 1006 goto true; | |
| 1007 | |
| 1008 case ngx_http_script_file_exists: | |
| 1009 if (ngx_is_file(&fi) || ngx_is_dir(&fi) || ngx_is_link(&fi)) { | |
| 1010 goto true; | |
| 1011 } | |
| 1012 goto false; | |
| 1013 | |
| 1014 case ngx_http_script_file_not_exists: | |
| 1015 if (ngx_is_file(&fi) || ngx_is_dir(&fi) || ngx_is_link(&fi)) { | |
| 1016 goto false; | |
| 1017 } | |
| 1018 goto true; | |
| 1019 | |
| 1020 #if (NGX_WIN32) | |
| 1021 | |
| 1022 case ngx_http_script_file_exec: | |
| 1023 goto false; | |
| 1024 | |
| 1025 case ngx_http_script_file_not_exec: | |
| 1026 goto true; | |
| 1027 | |
| 1028 #else | |
| 1029 | |
| 1030 case ngx_http_script_file_exec: | |
| 1031 if (ngx_is_exec(&fi)) { | |
| 1032 goto true; | |
| 1033 } | |
| 1034 goto false; | |
| 1035 | |
| 1036 case ngx_http_script_file_not_exec: | |
| 1037 if (ngx_is_exec(&fi)) { | |
| 1038 goto false; | |
| 1039 } | |
| 1040 goto true; | |
| 1041 | |
| 1042 #endif | |
| 631 | 1043 } |
| 1044 | |
| 1045 false: | |
| 1046 | |
| 1047 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1048 "http script file op false"); | |
| 1049 | |
| 1050 *value = ngx_http_variable_null_value; | |
| 1051 return; | |
| 1052 | |
| 1053 true: | |
| 1054 | |
| 1055 *value = ngx_http_variable_true_value; | |
| 1056 return; | |
| 1057 } | |
| 1058 | |
| 1059 | |
| 1060 void | |
| 515 | 1061 ngx_http_script_complex_value_code(ngx_http_script_engine_t *e) |
| 1062 { | |
| 1063 size_t len; | |
| 1064 ngx_http_script_engine_t le; | |
| 1065 ngx_http_script_len_code_pt lcode; | |
| 1066 ngx_http_script_complex_value_code_t *code; | |
| 1067 | |
| 1068 code = (ngx_http_script_complex_value_code_t *) e->ip; | |
| 1069 | |
| 1070 e->ip += sizeof(ngx_http_script_complex_value_code_t); | |
| 1071 | |
| 1072 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1073 "http script complex value"); | |
| 1074 | |
| 1075 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
| 1076 | |
| 1077 le.ip = code->lengths->elts; | |
| 655 | 1078 le.line = e->line; |
| 515 | 1079 le.request = e->request; |
| 1080 le.captures = e->captures; | |
| 1081 le.ncaptures = e->ncaptures; | |
| 655 | 1082 le.quote = e->quote; |
| 515 | 1083 |
| 1084 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) { | |
| 1085 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 1086 } | |
| 1087 | |
| 1088 e->buf.len = len; | |
| 1089 e->buf.data = ngx_palloc(e->request->pool, len); | |
| 1090 if (e->buf.data == NULL) { | |
| 1091 e->ip = ngx_http_script_exit; | |
| 1092 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 1093 return; | |
| 1094 } | |
| 1095 | |
| 1096 e->pos = e->buf.data; | |
| 1097 | |
| 577 | 1098 e->sp->len = e->buf.len; |
| 573 | 1099 e->sp->data = e->buf.data; |
| 515 | 1100 e->sp++; |
| 1101 } | |
| 1102 | |
| 1103 | |
| 1104 void | |
| 509 | 1105 ngx_http_script_value_code(ngx_http_script_engine_t *e) |
| 1106 { | |
| 1107 ngx_http_script_value_code_t *code; | |
| 1108 | |
| 1109 code = (ngx_http_script_value_code_t *) e->ip; | |
| 1110 | |
| 1111 e->ip += sizeof(ngx_http_script_value_code_t); | |
| 1112 | |
| 573 | 1113 e->sp->len = code->text_len; |
| 1114 e->sp->data = (u_char *) code->text_data; | |
| 577 | 1115 |
| 1116 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1117 "http script value: \"%V\"", e->sp); | |
| 1118 | |
| 509 | 1119 e->sp++; |
| 1120 } | |
| 1121 | |
| 1122 | |
| 1123 void | |
| 1124 ngx_http_script_set_var_code(ngx_http_script_engine_t *e) | |
| 1125 { | |
| 1126 ngx_http_request_t *r; | |
| 1127 ngx_http_script_var_code_t *code; | |
| 1128 | |
| 1129 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1130 "http script set var"); | |
| 1131 | |
| 1132 code = (ngx_http_script_var_code_t *) e->ip; | |
| 1133 | |
| 1134 e->ip += sizeof(ngx_http_script_var_code_t); | |
| 1135 | |
| 1136 r = e->request; | |
| 1137 | |
| 1138 e->sp--; | |
| 1139 | |
| 573 | 1140 r->variables[code->index].len = e->sp->len; |
| 1141 r->variables[code->index].valid = 1; | |
| 1142 r->variables[code->index].no_cachable = 0; | |
| 1143 r->variables[code->index].not_found = 0; | |
| 1144 r->variables[code->index].data = e->sp->data; | |
| 509 | 1145 } |
| 1146 | |
| 1147 | |
| 1148 void | |
| 637 | 1149 ngx_http_script_var_set_handler_code(ngx_http_script_engine_t *e) |
| 1150 { | |
| 1151 ngx_http_script_var_handler_code_t *code; | |
| 1152 | |
| 1153 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1154 "http script set var handler"); | |
| 1155 | |
| 1156 code = (ngx_http_script_var_handler_code_t *) e->ip; | |
| 1157 | |
| 1158 e->ip += sizeof(ngx_http_script_var_handler_code_t); | |
| 1159 | |
| 1160 e->sp--; | |
| 1161 | |
| 1162 code->handler(e->request, e->sp, code->data); | |
| 1163 } | |
| 1164 | |
| 1165 | |
| 1166 void | |
| 509 | 1167 ngx_http_script_var_code(ngx_http_script_engine_t *e) |
| 1168 { | |
| 1169 ngx_http_variable_value_t *value; | |
| 1170 ngx_http_script_var_code_t *code; | |
| 1171 | |
| 1172 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1173 "http script var"); | |
| 1174 | |
| 1175 code = (ngx_http_script_var_code_t *) e->ip; | |
| 1176 | |
| 1177 e->ip += sizeof(ngx_http_script_var_code_t); | |
| 1178 | |
| 573 | 1179 value = ngx_http_get_flushed_variable(e->request, code->index); |
| 509 | 1180 |
| 573 | 1181 if (value && !value->not_found) { |
| 1182 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1183 "http script var: \"%V\"", value); | |
| 1184 | |
| 553 | 1185 *e->sp = *value; |
| 509 | 1186 e->sp++; |
| 1187 | |
| 1188 return; | |
| 1189 } | |
| 1190 | |
| 577 | 1191 *e->sp = ngx_http_variable_null_value; |
| 509 | 1192 e->sp++; |
| 1193 } | |
| 1194 | |
| 1195 | |
| 1196 void | |
| 1197 ngx_http_script_nop_code(ngx_http_script_engine_t *e) | |
| 1198 { | |
| 1199 e->ip += sizeof(uintptr_t); | |
| 1200 } |