Mercurial > hg > nginx-quic
annotate src/http/ngx_http_script.c @ 2866:1804da35f853 stable-0.6
r2756 merge:
add quotes for configure options with spaces
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 18 May 2009 16:17:51 +0000 |
parents | 0434fd856a2f |
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rev | line source |
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1 |
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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 | |
2649 | 247 while (i < sc->source->len) { |
248 | |
249 if (sc->source->data[i] == '$') { | |
250 break; | |
251 } | |
252 | |
253 if (sc->source->data[i] == '?') { | |
254 | |
255 sc->args = 1; | |
256 | |
257 if (sc->compile_args) { | |
258 break; | |
259 } | |
260 } | |
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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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; | |
355 value->data = ngx_palloc(r->pool, len); | |
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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440 |
507 | 441 void |
509 | 442 ngx_http_script_copy_code(ngx_http_script_engine_t *e) |
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443 { |
507 | 444 ngx_http_script_copy_code_t *code; |
445 | |
509 | 446 code = (ngx_http_script_copy_code_t *) e->ip; |
447 | |
448 if (!e->skip) { | |
573 | 449 e->pos = ngx_copy(e->pos, e->ip + sizeof(ngx_http_script_copy_code_t), |
450 code->len); | |
509 | 451 } |
507 | 452 |
509 | 453 e->ip += sizeof(ngx_http_script_copy_code_t) |
454 + ((code->len + sizeof(uintptr_t) - 1) & ~(sizeof(uintptr_t) - 1)); | |
507 | 455 |
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456 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
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457 "http script copy: \"%V\"", &e->buf); |
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458 } |
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459 |
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460 |
507 | 461 size_t |
509 | 462 ngx_http_script_copy_var_len_code(ngx_http_script_engine_t *e) |
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463 { |
507 | 464 ngx_http_variable_value_t *value; |
465 ngx_http_script_var_code_t *code; | |
466 | |
509 | 467 code = (ngx_http_script_var_code_t *) e->ip; |
507 | 468 |
509 | 469 e->ip += sizeof(ngx_http_script_var_code_t); |
507 | 470 |
573 | 471 if (e->flushed) { |
472 value = ngx_http_get_indexed_variable(e->request, code->index); | |
507 | 473 |
573 | 474 } else { |
475 value = ngx_http_get_flushed_variable(e->request, code->index); | |
476 } | |
477 | |
478 if (value && !value->not_found) { | |
479 return value->len; | |
507 | 480 } |
481 | |
553 | 482 return 0; |
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483 } |
479 | 484 |
485 | |
507 | 486 void |
509 | 487 ngx_http_script_copy_var_code(ngx_http_script_engine_t *e) |
479 | 488 { |
507 | 489 ngx_http_variable_value_t *value; |
490 ngx_http_script_var_code_t *code; | |
491 | |
509 | 492 code = (ngx_http_script_var_code_t *) e->ip; |
493 | |
494 e->ip += sizeof(ngx_http_script_var_code_t); | |
495 | |
496 if (!e->skip) { | |
573 | 497 |
498 if (e->flushed) { | |
499 value = ngx_http_get_indexed_variable(e->request, code->index); | |
509 | 500 |
573 | 501 } else { |
502 value = ngx_http_get_flushed_variable(e->request, code->index); | |
503 } | |
504 | |
505 if (value && !value->not_found) { | |
506 e->pos = ngx_copy(e->pos, value->data, value->len); | |
509 | 507 |
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508 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, |
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509 e->request->connection->log, 0, |
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510 "http script var: \"%V\"", &e->buf); |
509 | 511 } |
512 } | |
513 } | |
514 | |
515 | |
516 size_t | |
517 ngx_http_script_copy_capture_len_code(ngx_http_script_engine_t *e) | |
518 { | |
519 ngx_http_script_copy_capture_code_t *code; | |
520 | |
521 code = (ngx_http_script_copy_capture_code_t *) e->ip; | |
522 | |
523 e->ip += sizeof(ngx_http_script_copy_capture_code_t); | |
524 | |
515 | 525 if (code->n < e->ncaptures) { |
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526 if ((e->is_args || e->quote) |
515 | 527 && (e->request->quoted_uri || e->request->plus_in_uri)) |
528 { | |
529 return e->captures[code->n + 1] - e->captures[code->n] | |
655 | 530 + 2 * ngx_escape_uri(NULL, |
515 | 531 &e->line.data[e->captures[code->n]], |
509 | 532 e->captures[code->n + 1] - e->captures[code->n], |
533 NGX_ESCAPE_ARGS); | |
515 | 534 } else { |
535 return e->captures[code->n + 1] - e->captures[code->n]; | |
536 } | |
509 | 537 } |
515 | 538 |
539 return 0; | |
509 | 540 } |
541 | |
542 | |
543 void | |
544 ngx_http_script_copy_capture_code(ngx_http_script_engine_t *e) | |
545 { | |
546 ngx_http_script_copy_capture_code_t *code; | |
547 | |
548 code = (ngx_http_script_copy_capture_code_t *) e->ip; | |
549 | |
550 e->ip += sizeof(ngx_http_script_copy_capture_code_t); | |
507 | 551 |
515 | 552 if (code->n < e->ncaptures) { |
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553 if ((e->is_args || e->quote) |
515 | 554 && (e->request->quoted_uri || e->request->plus_in_uri)) |
555 { | |
556 e->pos = (u_char *) ngx_escape_uri(e->pos, | |
557 &e->line.data[e->captures[code->n]], | |
509 | 558 e->captures[code->n + 1] - e->captures[code->n], |
559 NGX_ESCAPE_ARGS); | |
515 | 560 } else { |
573 | 561 e->pos = ngx_copy(e->pos, |
562 &e->line.data[e->captures[code->n]], | |
563 e->captures[code->n + 1] - e->captures[code->n]); | |
515 | 564 } |
509 | 565 } |
566 | |
567 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
568 "http script capture: \"%V\"", &e->buf); | |
569 } | |
570 | |
571 | |
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572 size_t |
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573 ngx_http_script_mark_args_code(ngx_http_script_engine_t *e) |
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574 { |
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575 e->is_args = 1; |
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576 e->ip += sizeof(uintptr_t); |
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577 |
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578 return 1; |
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579 } |
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580 |
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581 |
509 | 582 void |
583 ngx_http_script_start_args_code(ngx_http_script_engine_t *e) | |
584 { | |
585 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
586 "http script args"); | |
577 | 587 |
509 | 588 e->args = e->pos; |
589 e->ip += sizeof(uintptr_t); | |
590 } | |
591 | |
592 | |
517 | 593 |
594 #if (NGX_PCRE) | |
595 | |
509 | 596 void |
597 ngx_http_script_regex_start_code(ngx_http_script_engine_t *e) | |
598 { | |
599 size_t len; | |
600 ngx_int_t rc; | |
601 ngx_uint_t n; | |
602 ngx_http_request_t *r; | |
603 ngx_http_script_engine_t le; | |
604 ngx_http_script_len_code_pt lcode; | |
605 ngx_http_script_regex_code_t *code; | |
606 | |
607 code = (ngx_http_script_regex_code_t *) e->ip; | |
608 | |
609 r = e->request; | |
610 | |
611 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
612 "http script regex: \"%V\"", &code->name); | |
613 | |
614 if (code->uri) { | |
515 | 615 e->line = r->uri; |
509 | 616 } else { |
617 e->sp--; | |
573 | 618 e->line.len = e->sp->len; |
619 e->line.data = e->sp->data; | |
509 | 620 } |
507 | 621 |
515 | 622 rc = ngx_regex_exec(code->regex, &e->line, e->captures, code->ncaptures); |
509 | 623 |
624 if (rc == NGX_REGEX_NO_MATCHED) { | |
625 if (e->log) { | |
626 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, | |
515 | 627 "\"%V\" does not match \"%V\"", |
628 &code->name, &e->line); | |
509 | 629 } |
630 | |
515 | 631 e->ncaptures = 0; |
632 | |
509 | 633 if (code->test) { |
631 | 634 if (code->negative_test) { |
635 e->sp->len = 1; | |
636 e->sp->data = (u_char *) "1"; | |
637 | |
638 } else { | |
639 e->sp->len = 0; | |
640 e->sp->data = (u_char *) ""; | |
641 } | |
642 | |
509 | 643 e->sp++; |
644 | |
645 e->ip += sizeof(ngx_http_script_regex_code_t); | |
646 return; | |
647 } | |
648 | |
649 e->ip += code->next; | |
650 return; | |
651 } | |
652 | |
653 if (rc < 0) { | |
654 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
655 ngx_regex_exec_n " failed: %d on \"%V\" using \"%V\"", | |
515 | 656 rc, &e->line, &code->name); |
509 | 657 |
658 e->ip = ngx_http_script_exit; | |
659 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
660 return; | |
661 } | |
662 | |
663 if (e->log) { | |
664 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, | |
515 | 665 "\"%V\" matches \"%V\"", &code->name, &e->line); |
509 | 666 } |
667 | |
515 | 668 e->ncaptures = code->ncaptures; |
669 | |
509 | 670 if (code->test) { |
631 | 671 if (code->negative_test) { |
672 e->sp->len = 0; | |
673 e->sp->data = (u_char *) ""; | |
674 | |
675 } else { | |
676 e->sp->len = 1; | |
677 e->sp->data = (u_char *) "1"; | |
678 } | |
679 | |
509 | 680 e->sp++; |
681 | |
682 e->ip += sizeof(ngx_http_script_regex_code_t); | |
683 return; | |
684 } | |
685 | |
686 if (code->status) { | |
687 e->status = code->status; | |
507 | 688 |
509 | 689 if (!code->redirect) { |
690 e->ip = ngx_http_script_exit; | |
691 return; | |
692 } | |
693 } | |
694 | |
695 if (code->uri) { | |
696 r->internal = 1; | |
697 r->valid_unparsed_uri = 0; | |
698 | |
699 if (code->break_cycle) { | |
700 r->valid_location = 0; | |
527 | 701 r->uri_changed = 0; |
509 | 702 |
703 } else { | |
704 r->uri_changed = 1; | |
705 } | |
706 } | |
707 | |
708 if (code->lengths == NULL) { | |
709 e->buf.len = code->size; | |
710 | |
711 if (code->uri) { | |
712 if (rc && (r->quoted_uri || r->plus_in_uri)) { | |
713 e->buf.len += 2 * ngx_escape_uri(NULL, r->uri.data, r->uri.len, | |
714 NGX_ESCAPE_ARGS); | |
715 } | |
716 } | |
717 | |
718 for (n = 1; n < (ngx_uint_t) rc; n++) { | |
719 e->buf.len += e->captures[2 * n + 1] - e->captures[2 * n]; | |
720 } | |
721 | |
722 } else { | |
723 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
724 | |
725 le.ip = code->lengths->elts; | |
679 | 726 le.line = e->line; |
509 | 727 le.request = r; |
728 le.captures = e->captures; | |
515 | 729 le.ncaptures = e->ncaptures; |
679 | 730 le.quote = code->redirect; |
509 | 731 |
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732 len = 0; |
509 | 733 |
734 while (*(uintptr_t *) le.ip) { | |
735 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
736 len += lcode(&le); | |
737 } | |
738 | |
739 e->buf.len = len; | |
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740 e->is_args = le.is_args; |
509 | 741 } |
742 | |
515 | 743 if (code->add_args && r->args.len) { |
509 | 744 e->buf.len += r->args.len + 1; |
745 } | |
746 | |
747 e->buf.data = ngx_palloc(r->pool, e->buf.len); | |
748 if (e->buf.data == NULL) { | |
749 e->ip = ngx_http_script_exit; | |
750 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
507 | 751 return; |
752 } | |
753 | |
509 | 754 e->quote = code->redirect; |
755 | |
756 e->pos = e->buf.data; | |
757 | |
758 e->ip += sizeof(ngx_http_script_regex_code_t); | |
759 } | |
760 | |
761 | |
762 void | |
763 ngx_http_script_regex_end_code(ngx_http_script_engine_t *e) | |
764 { | |
577 | 765 u_char *dst, *src; |
509 | 766 ngx_http_request_t *r; |
767 ngx_http_script_regex_end_code_t *code; | |
768 | |
769 code = (ngx_http_script_regex_end_code_t *) e->ip; | |
770 | |
771 r = e->request; | |
772 | |
773 e->quote = 0; | |
774 | |
775 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
776 "http script regex end"); | |
777 | |
778 if (code->redirect) { | |
779 | |
577 | 780 dst = e->buf.data; |
781 src = e->buf.data; | |
782 | |
1593 | 783 ngx_unescape_uri(&dst, &src, e->pos - e->buf.data, |
784 NGX_UNESCAPE_REDIRECT); | |
577 | 785 |
786 if (src < e->pos) { | |
787 dst = ngx_copy(dst, src, e->pos - src); | |
788 } | |
789 | |
790 e->pos = dst; | |
791 | |
792 if (code->add_args && r->args.len) { | |
509 | 793 *e->pos++ = (u_char) (code->args ? '&' : '?'); |
573 | 794 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
509 | 795 } |
796 | |
797 e->buf.len = e->pos - e->buf.data; | |
798 | |
799 if (e->log) { | |
800 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, | |
801 "rewritten redirect: \"%V\"", &e->buf); | |
802 } | |
803 | |
804 r->headers_out.location = ngx_list_push(&r->headers_out.headers); | |
805 if (r->headers_out.location == NULL) { | |
806 e->ip = ngx_http_script_exit; | |
807 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
808 return; | |
809 } | |
810 | |
577 | 811 r->headers_out.location->hash = 1; |
509 | 812 r->headers_out.location->key.len = sizeof("Location") - 1; |
813 r->headers_out.location->key.data = (u_char *) "Location"; | |
814 r->headers_out.location->value = e->buf; | |
815 | |
816 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
817 return; | |
818 } | |
819 | |
577 | 820 if (e->args) { |
509 | 821 e->buf.len = e->args - e->buf.data; |
822 | |
823 if (code->add_args && r->args.len) { | |
824 *e->pos++ = '&'; | |
573 | 825 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
509 | 826 } |
827 | |
828 r->args.len = e->pos - e->args; | |
829 r->args.data = e->args; | |
830 | |
831 e->args = NULL; | |
832 | |
833 } else { | |
834 e->buf.len = e->pos - e->buf.data; | |
673 | 835 |
836 if (!code->add_args) { | |
837 r->args.len = 0; | |
838 } | |
509 | 839 } |
840 | |
841 if (e->log) { | |
842 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, | |
843 "rewritten data: \"%V\", args: \"%V\"", | |
844 &e->buf, &r->args); | |
845 } | |
846 | |
847 if (code->uri) { | |
848 r->uri = e->buf; | |
849 | |
535 | 850 if (r->uri.len == 0) { |
851 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
852 "the rewritten URI has a zero length"); | |
853 e->ip = ngx_http_script_exit; | |
854 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
855 return; | |
856 } | |
857 | |
509 | 858 if (ngx_http_set_exten(r) != NGX_OK) { |
859 e->ip = ngx_http_script_exit; | |
860 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
861 return; | |
862 } | |
863 } | |
864 | |
865 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
866 } | |
867 | |
517 | 868 #endif |
869 | |
509 | 870 |
871 void | |
872 ngx_http_script_return_code(ngx_http_script_engine_t *e) | |
577 | 873 { |
509 | 874 ngx_http_script_return_code_t *code; |
577 | 875 |
509 | 876 code = (ngx_http_script_return_code_t *) e->ip; |
877 | |
878 e->status = code->status; | |
879 | |
653 | 880 if (code->status == NGX_HTTP_NO_CONTENT) { |
881 e->request->header_only = 1; | |
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882 e->request->zero_body = 1; |
653 | 883 } |
884 | |
509 | 885 e->ip += sizeof(ngx_http_script_return_code_t) - sizeof(uintptr_t); |
479 | 886 } |
509 | 887 |
888 | |
889 void | |
527 | 890 ngx_http_script_break_code(ngx_http_script_engine_t *e) |
891 { | |
892 e->request->uri_changed = 0; | |
893 | |
894 e->ip = ngx_http_script_exit; | |
895 } | |
896 | |
897 | |
898 void | |
509 | 899 ngx_http_script_if_code(ngx_http_script_engine_t *e) |
900 { | |
901 ngx_http_script_if_code_t *code; | |
902 | |
903 code = (ngx_http_script_if_code_t *) e->ip; | |
904 | |
905 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
906 "http script if"); | |
907 | |
908 e->sp--; | |
909 | |
573 | 910 if (e->sp->len && e->sp->data[0] != '0') { |
509 | 911 if (code->loc_conf) { |
912 e->request->loc_conf = code->loc_conf; | |
535 | 913 ngx_http_update_location_config(e->request); |
509 | 914 } |
915 | |
916 e->ip += sizeof(ngx_http_script_if_code_t); | |
917 return; | |
918 } | |
919 | |
920 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
577 | 921 "http script if: false"); |
509 | 922 |
923 e->ip += code->next; | |
924 } | |
925 | |
926 | |
927 void | |
577 | 928 ngx_http_script_equal_code(ngx_http_script_engine_t *e) |
929 { | |
930 ngx_http_variable_value_t *val, *res; | |
931 | |
932 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
933 "http script equal"); | |
934 | |
935 e->sp--; | |
936 val = e->sp; | |
937 res = e->sp - 1; | |
938 | |
939 e->ip += sizeof(uintptr_t); | |
940 | |
941 if (val->len == res->len && ngx_strncmp(val->data, res->data, res->len) | |
942 == 0) | |
943 { | |
944 *res = ngx_http_variable_true_value; | |
945 return; | |
946 } | |
947 | |
948 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
949 "http script equal: no"); | |
950 | |
951 *res = ngx_http_variable_null_value; | |
952 } | |
953 | |
954 | |
955 void | |
956 ngx_http_script_not_equal_code(ngx_http_script_engine_t *e) | |
957 { | |
958 ngx_http_variable_value_t *val, *res; | |
959 | |
960 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
961 "http script not equal"); | |
962 | |
963 e->sp--; | |
964 val = e->sp; | |
965 res = e->sp - 1; | |
966 | |
967 e->ip += sizeof(uintptr_t); | |
968 | |
969 if (val->len == res->len && ngx_strncmp(val->data, res->data, res->len) | |
970 == 0) | |
971 { | |
972 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
973 "http script not equal: no"); | |
974 | |
975 *res = ngx_http_variable_null_value; | |
976 return; | |
977 } | |
978 | |
979 *res = ngx_http_variable_true_value; | |
980 } | |
981 | |
982 | |
983 void | |
631 | 984 ngx_http_script_file_code(ngx_http_script_engine_t *e) |
985 { | |
1454 | 986 ngx_str_t path; |
987 ngx_http_request_t *r; | |
988 ngx_open_file_info_t of; | |
989 ngx_http_core_loc_conf_t *clcf; | |
631 | 990 ngx_http_variable_value_t *value; |
991 ngx_http_script_file_code_t *code; | |
992 | |
993 value = e->sp - 1; | |
994 | |
995 code = (ngx_http_script_file_code_t *) e->ip; | |
996 e->ip += sizeof(ngx_http_script_file_code_t); | |
997 | |
1454 | 998 path.len = value->len - 1; |
999 path.data = value->data; | |
1000 | |
1001 r = e->request; | |
1002 | |
1003 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1004 "http script file op %p \"%V\"", code->op, &path); | |
1005 | |
1006 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
631 | 1007 |
1454 | 1008 of.test_dir = 0; |
1767
c42431762903
open_file_cache_retest > open_file_cache_valid
Igor Sysoev <igor@sysoev.ru>
parents:
1593
diff
changeset
|
1009 of.valid = clcf->open_file_cache_valid; |
1772 | 1010 of.min_uses = clcf->open_file_cache_min_uses; |
1454 | 1011 of.errors = clcf->open_file_cache_errors; |
1457 | 1012 of.events = clcf->open_file_cache_events; |
631 | 1013 |
1454 | 1014 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) |
1799 | 1015 != NGX_OK) |
1454 | 1016 { |
1017 if (of.err != NGX_ENOENT && of.err != NGX_ENOTDIR) { | |
1018 ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err, | |
631 | 1019 ngx_file_info_n " \"%s\" failed", value->data); |
1020 } | |
1021 | |
1022 switch (code->op) { | |
671 | 1023 |
631 | 1024 case ngx_http_script_file_plain: |
669 | 1025 case ngx_http_script_file_dir: |
1026 case ngx_http_script_file_exists: | |
1027 case ngx_http_script_file_exec: | |
631 | 1028 goto false; |
671 | 1029 |
631 | 1030 case ngx_http_script_file_not_plain: |
669 | 1031 case ngx_http_script_file_not_dir: |
671 | 1032 case ngx_http_script_file_not_exists: |
669 | 1033 case ngx_http_script_file_not_exec: |
631 | 1034 goto true; |
1035 } | |
1036 | |
1037 goto false; | |
1038 } | |
1039 | |
1040 switch (code->op) { | |
1041 case ngx_http_script_file_plain: | |
1454 | 1042 if (of.is_file) { |
631 | 1043 goto true; |
1044 } | |
1045 goto false; | |
1046 | |
1047 case ngx_http_script_file_not_plain: | |
1454 | 1048 if (of.is_file) { |
631 | 1049 goto false; |
1050 } | |
1051 goto true; | |
669 | 1052 |
1053 case ngx_http_script_file_dir: | |
1454 | 1054 if (of.is_dir) { |
669 | 1055 goto true; |
1056 } | |
1057 goto false; | |
1058 | |
1059 case ngx_http_script_file_not_dir: | |
1454 | 1060 if (of.is_dir) { |
669 | 1061 goto false; |
1062 } | |
1063 goto true; | |
1064 | |
1065 case ngx_http_script_file_exists: | |
1454 | 1066 if (of.is_file || of.is_dir || of.is_link) { |
669 | 1067 goto true; |
1068 } | |
1069 goto false; | |
1070 | |
1071 case ngx_http_script_file_not_exists: | |
1454 | 1072 if (of.is_file || of.is_dir || of.is_link) { |
669 | 1073 goto false; |
1074 } | |
1075 goto true; | |
1076 | |
1077 case ngx_http_script_file_exec: | |
1454 | 1078 if (of.is_exec) { |
669 | 1079 goto true; |
1080 } | |
1081 goto false; | |
1082 | |
1083 case ngx_http_script_file_not_exec: | |
1454 | 1084 if (of.is_exec) { |
669 | 1085 goto false; |
1086 } | |
1087 goto true; | |
631 | 1088 } |
1089 | |
1090 false: | |
1091 | |
1454 | 1092 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
631 | 1093 "http script file op false"); |
1094 | |
1095 *value = ngx_http_variable_null_value; | |
1096 return; | |
1097 | |
1098 true: | |
1099 | |
1100 *value = ngx_http_variable_true_value; | |
1101 return; | |
1102 } | |
1103 | |
1104 | |
1105 void | |
515 | 1106 ngx_http_script_complex_value_code(ngx_http_script_engine_t *e) |
1107 { | |
1108 size_t len; | |
1109 ngx_http_script_engine_t le; | |
1110 ngx_http_script_len_code_pt lcode; | |
1111 ngx_http_script_complex_value_code_t *code; | |
1112 | |
1113 code = (ngx_http_script_complex_value_code_t *) e->ip; | |
1114 | |
1115 e->ip += sizeof(ngx_http_script_complex_value_code_t); | |
1116 | |
1117 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1118 "http script complex value"); | |
1119 | |
1120 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
1121 | |
1122 le.ip = code->lengths->elts; | |
655 | 1123 le.line = e->line; |
515 | 1124 le.request = e->request; |
1125 le.captures = e->captures; | |
1126 le.ncaptures = e->ncaptures; | |
655 | 1127 le.quote = e->quote; |
515 | 1128 |
1129 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) { | |
1130 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
1131 } | |
1132 | |
1133 e->buf.len = len; | |
1134 e->buf.data = ngx_palloc(e->request->pool, len); | |
1135 if (e->buf.data == NULL) { | |
1136 e->ip = ngx_http_script_exit; | |
1137 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1138 return; | |
1139 } | |
1140 | |
1141 e->pos = e->buf.data; | |
1142 | |
577 | 1143 e->sp->len = e->buf.len; |
573 | 1144 e->sp->data = e->buf.data; |
515 | 1145 e->sp++; |
1146 } | |
1147 | |
1148 | |
1149 void | |
509 | 1150 ngx_http_script_value_code(ngx_http_script_engine_t *e) |
1151 { | |
1152 ngx_http_script_value_code_t *code; | |
1153 | |
1154 code = (ngx_http_script_value_code_t *) e->ip; | |
1155 | |
1156 e->ip += sizeof(ngx_http_script_value_code_t); | |
1157 | |
573 | 1158 e->sp->len = code->text_len; |
1159 e->sp->data = (u_char *) code->text_data; | |
577 | 1160 |
1161 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1561 | 1162 "http script value: \"%v\"", e->sp); |
577 | 1163 |
509 | 1164 e->sp++; |
1165 } | |
1166 | |
1167 | |
1168 void | |
1169 ngx_http_script_set_var_code(ngx_http_script_engine_t *e) | |
1170 { | |
1171 ngx_http_request_t *r; | |
1172 ngx_http_script_var_code_t *code; | |
1173 | |
1174 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1175 "http script set var"); | |
1176 | |
1177 code = (ngx_http_script_var_code_t *) e->ip; | |
1178 | |
1179 e->ip += sizeof(ngx_http_script_var_code_t); | |
1180 | |
1181 r = e->request; | |
1182 | |
1183 e->sp--; | |
1184 | |
573 | 1185 r->variables[code->index].len = e->sp->len; |
1186 r->variables[code->index].valid = 1; | |
1565 | 1187 r->variables[code->index].no_cacheable = 0; |
573 | 1188 r->variables[code->index].not_found = 0; |
1189 r->variables[code->index].data = e->sp->data; | |
509 | 1190 } |
1191 | |
1192 | |
1193 void | |
637 | 1194 ngx_http_script_var_set_handler_code(ngx_http_script_engine_t *e) |
1195 { | |
1196 ngx_http_script_var_handler_code_t *code; | |
1197 | |
1198 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1199 "http script set var handler"); | |
1200 | |
1201 code = (ngx_http_script_var_handler_code_t *) e->ip; | |
1202 | |
1203 e->ip += sizeof(ngx_http_script_var_handler_code_t); | |
1204 | |
1205 e->sp--; | |
1206 | |
1207 code->handler(e->request, e->sp, code->data); | |
1208 } | |
1209 | |
1210 | |
1211 void | |
509 | 1212 ngx_http_script_var_code(ngx_http_script_engine_t *e) |
1213 { | |
1214 ngx_http_variable_value_t *value; | |
1215 ngx_http_script_var_code_t *code; | |
1216 | |
1217 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1218 "http script var"); | |
1219 | |
1220 code = (ngx_http_script_var_code_t *) e->ip; | |
1221 | |
1222 e->ip += sizeof(ngx_http_script_var_code_t); | |
1223 | |
573 | 1224 value = ngx_http_get_flushed_variable(e->request, code->index); |
509 | 1225 |
573 | 1226 if (value && !value->not_found) { |
1227 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
|
1228 "http script var: \"%v\"", value); |
573 | 1229 |
553 | 1230 *e->sp = *value; |
509 | 1231 e->sp++; |
1232 | |
1233 return; | |
1234 } | |
1235 | |
577 | 1236 *e->sp = ngx_http_variable_null_value; |
509 | 1237 e->sp++; |
1238 } | |
1239 | |
1240 | |
1241 void | |
1242 ngx_http_script_nop_code(ngx_http_script_engine_t *e) | |
1243 { | |
1244 e->ip += sizeof(uintptr_t); | |
1245 } |