Mercurial > hg > nginx
annotate src/http/ngx_http_script.c @ 2393:fbff569bf456
fix debug logging
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Wed, 10 Dec 2008 14:48:04 +0000 |
parents | 207827f7bf71 |
children | da6f70bb41f0 |
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 |
1891
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
224 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), |
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
225 NULL); |
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
226 if (code == NULL) { |
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
227 return NGX_ERROR; |
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
228 } |
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
229 |
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
230 *code = (uintptr_t) ngx_http_script_mark_args_code; |
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
231 |
509 | 232 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t), |
233 &sc->main); | |
234 if (code == NULL) { | |
507 | 235 return NGX_ERROR; |
236 } | |
237 | |
509 | 238 *code = (uintptr_t) ngx_http_script_start_args_code; |
239 | |
240 i++; | |
241 | |
507 | 242 continue; |
243 } | |
244 | |
509 | 245 name.data = &sc->source->data[i]; |
246 | |
247 while (i < sc->source->len | |
248 && sc->source->data[i] != '$' | |
249 && !(sc->source->data[i] == '?' && sc->compile_args)) | |
250 { | |
251 i++; | |
252 name.len++; | |
253 } | |
254 | |
255 sc->size += name.len; | |
256 | |
257 copy = ngx_http_script_add_code(*sc->lengths, | |
258 sizeof(ngx_http_script_copy_code_t), | |
259 NULL); | |
260 if (copy == NULL) { | |
507 | 261 return NGX_ERROR; |
262 } | |
509 | 263 |
264 copy->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code; | |
265 copy->len = name.len; | |
266 | |
267 size = (sizeof(ngx_http_script_copy_code_t) + name.len | |
268 + sizeof(uintptr_t) - 1) | |
269 & ~(sizeof(uintptr_t) - 1); | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
270 |
509 | 271 copy = ngx_http_script_add_code(*sc->values, size, &sc->main); |
272 if (copy == NULL) { | |
273 return NGX_ERROR; | |
274 } | |
275 | |
276 copy->code = ngx_http_script_copy_code; | |
277 copy->len = name.len; | |
278 | |
279 ngx_memcpy((u_char *) copy + sizeof(ngx_http_script_copy_code_t), | |
280 name.data, name.len); | |
507 | 281 } |
282 | |
509 | 283 if (sc->complete_lengths) { |
284 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), NULL); | |
285 if (code == NULL) { | |
286 return NGX_ERROR; | |
287 } | |
507 | 288 |
509 | 289 *code = (uintptr_t) NULL; |
507 | 290 } |
291 | |
509 | 292 if (sc->complete_values) { |
293 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t), | |
294 &sc->main); | |
295 if (code == NULL) { | |
296 return NGX_ERROR; | |
297 } | |
298 | |
299 *code = (uintptr_t) NULL; | |
300 } | |
507 | 301 |
302 return NGX_OK; | |
509 | 303 |
304 invalid_variable: | |
305 | |
306 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, "invalid variable name"); | |
307 | |
308 return NGX_ERROR; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
309 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
310 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
311 |
623 | 312 u_char * |
313 ngx_http_script_run(ngx_http_request_t *r, ngx_str_t *value, | |
314 void *code_lengths, size_t len, void *code_values) | |
315 { | |
1152
a9715f8f17a5
flush nocachable variables before ngx_http_script_run()
Igor Sysoev <igor@sysoev.ru>
parents:
845
diff
changeset
|
316 ngx_uint_t i; |
a9715f8f17a5
flush nocachable variables before ngx_http_script_run()
Igor Sysoev <igor@sysoev.ru>
parents:
845
diff
changeset
|
317 ngx_http_script_code_pt code; |
a9715f8f17a5
flush nocachable variables before ngx_http_script_run()
Igor Sysoev <igor@sysoev.ru>
parents:
845
diff
changeset
|
318 ngx_http_script_len_code_pt lcode; |
a9715f8f17a5
flush nocachable variables before ngx_http_script_run()
Igor Sysoev <igor@sysoev.ru>
parents:
845
diff
changeset
|
319 ngx_http_script_engine_t e; |
a9715f8f17a5
flush nocachable variables before ngx_http_script_run()
Igor Sysoev <igor@sysoev.ru>
parents:
845
diff
changeset
|
320 ngx_http_core_main_conf_t *cmcf; |
a9715f8f17a5
flush nocachable variables before ngx_http_script_run()
Igor Sysoev <igor@sysoev.ru>
parents:
845
diff
changeset
|
321 |
a9715f8f17a5
flush nocachable variables before ngx_http_script_run()
Igor Sysoev <igor@sysoev.ru>
parents:
845
diff
changeset
|
322 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); |
a9715f8f17a5
flush nocachable variables before ngx_http_script_run()
Igor Sysoev <igor@sysoev.ru>
parents:
845
diff
changeset
|
323 |
a9715f8f17a5
flush nocachable variables before ngx_http_script_run()
Igor Sysoev <igor@sysoev.ru>
parents:
845
diff
changeset
|
324 for (i = 0; i < cmcf->variables.nelts; i++) { |
1565 | 325 if (r->variables[i].no_cacheable) { |
1152
a9715f8f17a5
flush nocachable variables before ngx_http_script_run()
Igor Sysoev <igor@sysoev.ru>
parents:
845
diff
changeset
|
326 r->variables[i].valid = 0; |
a9715f8f17a5
flush nocachable variables before ngx_http_script_run()
Igor Sysoev <igor@sysoev.ru>
parents:
845
diff
changeset
|
327 r->variables[i].not_found = 0; |
a9715f8f17a5
flush nocachable variables before ngx_http_script_run()
Igor Sysoev <igor@sysoev.ru>
parents:
845
diff
changeset
|
328 } |
a9715f8f17a5
flush nocachable variables before ngx_http_script_run()
Igor Sysoev <igor@sysoev.ru>
parents:
845
diff
changeset
|
329 } |
623 | 330 |
331 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); | |
332 | |
333 e.ip = code_lengths; | |
334 e.request = r; | |
335 e.flushed = 1; | |
336 | |
337 while (*(uintptr_t *) e.ip) { | |
338 lcode = *(ngx_http_script_len_code_pt *) e.ip; | |
339 len += lcode(&e); | |
340 } | |
341 | |
342 | |
343 value->len = len; | |
2049 | 344 value->data = ngx_pnalloc(r->pool, len); |
623 | 345 if (value->data == NULL) { |
346 return NULL; | |
347 } | |
348 | |
349 e.ip = code_values; | |
350 e.pos = value->data; | |
351 | |
352 while (*(uintptr_t *) e.ip) { | |
353 code = *(ngx_http_script_code_pt *) e.ip; | |
354 code((ngx_http_script_engine_t *) &e); | |
355 } | |
356 | |
357 return e.pos; | |
358 } | |
359 | |
360 | |
573 | 361 void |
1565 | 362 ngx_http_script_flush_no_cacheable_variables(ngx_http_request_t *r, |
573 | 363 ngx_array_t *indices) |
364 { | |
365 ngx_uint_t n, *index; | |
366 | |
367 if (indices) { | |
368 index = indices->elts; | |
369 for (n = 0; n < indices->nelts; n++) { | |
1565 | 370 if (r->variables[index[n]].no_cacheable) { |
573 | 371 r->variables[index[n]].valid = 0; |
372 r->variables[index[n]].not_found = 0; | |
373 } | |
374 } | |
375 } | |
376 } | |
377 | |
378 | |
509 | 379 void * |
507 | 380 ngx_http_script_start_code(ngx_pool_t *pool, ngx_array_t **codes, size_t size) |
479 | 381 { |
507 | 382 if (*codes == NULL) { |
383 *codes = ngx_array_create(pool, 256, 1); | |
384 if (*codes == NULL) { | |
385 return NULL; | |
386 } | |
387 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
388 |
507 | 389 return ngx_array_push_n(*codes, size); |
390 } | |
391 | |
509 | 392 |
393 void * | |
394 ngx_http_script_add_code(ngx_array_t *codes, size_t size, void *code) | |
395 { | |
396 u_char *elts, **p; | |
397 void *new; | |
398 | |
399 elts = codes->elts; | |
400 | |
401 new = ngx_array_push_n(codes, size); | |
402 if (new == NULL) { | |
403 return NGX_CONF_ERROR; | |
404 } | |
405 | |
406 if (code) { | |
407 if (elts != codes->elts) { | |
408 p = code; | |
409 *p += (u_char *) codes->elts - elts; | |
410 } | |
411 } | |
412 | |
413 return new; | |
414 } | |
507 | 415 |
479 | 416 |
507 | 417 size_t |
509 | 418 ngx_http_script_copy_len_code(ngx_http_script_engine_t *e) |
507 | 419 { |
420 ngx_http_script_copy_code_t *code; | |
479 | 421 |
509 | 422 code = (ngx_http_script_copy_code_t *) e->ip; |
507 | 423 |
509 | 424 e->ip += sizeof(ngx_http_script_copy_code_t); |
507 | 425 |
426 return code->len; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
427 } |
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 |
507 | 430 void |
509 | 431 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
|
432 { |
2393 | 433 u_char *p; |
507 | 434 ngx_http_script_copy_code_t *code; |
435 | |
509 | 436 code = (ngx_http_script_copy_code_t *) e->ip; |
437 | |
2393 | 438 p = e->pos; |
439 | |
509 | 440 if (!e->skip) { |
2393 | 441 e->pos = ngx_copy(p, e->ip + sizeof(ngx_http_script_copy_code_t), |
573 | 442 code->len); |
509 | 443 } |
507 | 444 |
509 | 445 e->ip += sizeof(ngx_http_script_copy_code_t) |
446 + ((code->len + sizeof(uintptr_t) - 1) & ~(sizeof(uintptr_t) - 1)); | |
507 | 447 |
2393 | 448 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
449 "http script copy: \"%*s\"", e->pos - p, p); | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
450 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
451 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
452 |
507 | 453 size_t |
509 | 454 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
|
455 { |
507 | 456 ngx_http_variable_value_t *value; |
457 ngx_http_script_var_code_t *code; | |
458 | |
509 | 459 code = (ngx_http_script_var_code_t *) e->ip; |
507 | 460 |
509 | 461 e->ip += sizeof(ngx_http_script_var_code_t); |
507 | 462 |
573 | 463 if (e->flushed) { |
464 value = ngx_http_get_indexed_variable(e->request, code->index); | |
507 | 465 |
573 | 466 } else { |
467 value = ngx_http_get_flushed_variable(e->request, code->index); | |
468 } | |
469 | |
470 if (value && !value->not_found) { | |
471 return value->len; | |
507 | 472 } |
473 | |
553 | 474 return 0; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
475 } |
479 | 476 |
477 | |
507 | 478 void |
509 | 479 ngx_http_script_copy_var_code(ngx_http_script_engine_t *e) |
479 | 480 { |
2393 | 481 u_char *p; |
507 | 482 ngx_http_variable_value_t *value; |
483 ngx_http_script_var_code_t *code; | |
484 | |
509 | 485 code = (ngx_http_script_var_code_t *) e->ip; |
486 | |
487 e->ip += sizeof(ngx_http_script_var_code_t); | |
488 | |
489 if (!e->skip) { | |
573 | 490 |
491 if (e->flushed) { | |
492 value = ngx_http_get_indexed_variable(e->request, code->index); | |
509 | 493 |
573 | 494 } else { |
495 value = ngx_http_get_flushed_variable(e->request, code->index); | |
496 } | |
497 | |
498 if (value && !value->not_found) { | |
2393 | 499 p = e->pos; |
500 e->pos = ngx_copy(p, value->data, value->len); | |
509 | 501 |
2393 | 502 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, |
845
eb5cf273e5d2
debug log should not be under rewrite_log control
Igor Sysoev <igor@sysoev.ru>
parents:
730
diff
changeset
|
503 e->request->connection->log, 0, |
2393 | 504 "http script var: \"%*s\"", e->pos - p, p); |
509 | 505 } |
506 } | |
507 } | |
508 | |
509 | |
510 size_t | |
511 ngx_http_script_copy_capture_len_code(ngx_http_script_engine_t *e) | |
512 { | |
513 ngx_http_script_copy_capture_code_t *code; | |
514 | |
515 code = (ngx_http_script_copy_capture_code_t *) e->ip; | |
516 | |
517 e->ip += sizeof(ngx_http_script_copy_capture_code_t); | |
518 | |
515 | 519 if (code->n < e->ncaptures) { |
1891
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
520 if ((e->is_args || e->quote) |
515 | 521 && (e->request->quoted_uri || e->request->plus_in_uri)) |
522 { | |
523 return e->captures[code->n + 1] - e->captures[code->n] | |
655 | 524 + 2 * ngx_escape_uri(NULL, |
515 | 525 &e->line.data[e->captures[code->n]], |
509 | 526 e->captures[code->n + 1] - e->captures[code->n], |
527 NGX_ESCAPE_ARGS); | |
515 | 528 } else { |
529 return e->captures[code->n + 1] - e->captures[code->n]; | |
530 } | |
509 | 531 } |
515 | 532 |
533 return 0; | |
509 | 534 } |
535 | |
536 | |
537 void | |
538 ngx_http_script_copy_capture_code(ngx_http_script_engine_t *e) | |
539 { | |
2393 | 540 u_char *p; |
509 | 541 ngx_http_script_copy_capture_code_t *code; |
542 | |
543 code = (ngx_http_script_copy_capture_code_t *) e->ip; | |
544 | |
545 e->ip += sizeof(ngx_http_script_copy_capture_code_t); | |
507 | 546 |
2393 | 547 p = e->pos; |
548 | |
515 | 549 if (code->n < e->ncaptures) { |
1891
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
550 if ((e->is_args || e->quote) |
515 | 551 && (e->request->quoted_uri || e->request->plus_in_uri)) |
552 { | |
2393 | 553 e->pos = (u_char *) ngx_escape_uri(p, |
515 | 554 &e->line.data[e->captures[code->n]], |
509 | 555 e->captures[code->n + 1] - e->captures[code->n], |
556 NGX_ESCAPE_ARGS); | |
515 | 557 } else { |
2393 | 558 e->pos = ngx_copy(p, |
573 | 559 &e->line.data[e->captures[code->n]], |
560 e->captures[code->n + 1] - e->captures[code->n]); | |
515 | 561 } |
509 | 562 } |
563 | |
2393 | 564 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
565 "http script capture: \"%*s\"", e->pos - p, p); | |
509 | 566 } |
567 | |
568 | |
1891
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
569 size_t |
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
570 ngx_http_script_mark_args_code(ngx_http_script_engine_t *e) |
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
571 { |
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
572 e->is_args = 1; |
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
573 e->ip += sizeof(uintptr_t); |
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
574 |
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
575 return 1; |
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
576 } |
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
577 |
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
578 |
509 | 579 void |
580 ngx_http_script_start_args_code(ngx_http_script_engine_t *e) | |
581 { | |
582 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
583 "http script args"); | |
577 | 584 |
2225
207827f7bf71
escape a query string characters taken from URI while rewrite
Igor Sysoev <igor@sysoev.ru>
parents:
2133
diff
changeset
|
585 e->is_args = 1; |
509 | 586 e->args = e->pos; |
587 e->ip += sizeof(uintptr_t); | |
588 } | |
589 | |
590 | |
517 | 591 |
592 #if (NGX_PCRE) | |
593 | |
509 | 594 void |
595 ngx_http_script_regex_start_code(ngx_http_script_engine_t *e) | |
596 { | |
597 size_t len; | |
598 ngx_int_t rc; | |
599 ngx_uint_t n; | |
600 ngx_http_request_t *r; | |
601 ngx_http_script_engine_t le; | |
602 ngx_http_script_len_code_pt lcode; | |
603 ngx_http_script_regex_code_t *code; | |
604 | |
605 code = (ngx_http_script_regex_code_t *) e->ip; | |
606 | |
607 r = e->request; | |
608 | |
609 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
610 "http script regex: \"%V\"", &code->name); | |
611 | |
612 if (code->uri) { | |
515 | 613 e->line = r->uri; |
509 | 614 } else { |
615 e->sp--; | |
573 | 616 e->line.len = e->sp->len; |
617 e->line.data = e->sp->data; | |
509 | 618 } |
507 | 619 |
515 | 620 rc = ngx_regex_exec(code->regex, &e->line, e->captures, code->ncaptures); |
509 | 621 |
622 if (rc == NGX_REGEX_NO_MATCHED) { | |
623 if (e->log) { | |
624 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, | |
515 | 625 "\"%V\" does not match \"%V\"", |
626 &code->name, &e->line); | |
509 | 627 } |
628 | |
515 | 629 e->ncaptures = 0; |
630 | |
509 | 631 if (code->test) { |
631 | 632 if (code->negative_test) { |
633 e->sp->len = 1; | |
634 e->sp->data = (u_char *) "1"; | |
635 | |
636 } else { | |
637 e->sp->len = 0; | |
638 e->sp->data = (u_char *) ""; | |
639 } | |
640 | |
509 | 641 e->sp++; |
642 | |
643 e->ip += sizeof(ngx_http_script_regex_code_t); | |
644 return; | |
645 } | |
646 | |
647 e->ip += code->next; | |
648 return; | |
649 } | |
650 | |
651 if (rc < 0) { | |
652 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
653 ngx_regex_exec_n " failed: %d on \"%V\" using \"%V\"", | |
515 | 654 rc, &e->line, &code->name); |
509 | 655 |
656 e->ip = ngx_http_script_exit; | |
657 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
658 return; | |
659 } | |
660 | |
661 if (e->log) { | |
662 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, | |
515 | 663 "\"%V\" matches \"%V\"", &code->name, &e->line); |
509 | 664 } |
665 | |
515 | 666 e->ncaptures = code->ncaptures; |
667 | |
509 | 668 if (code->test) { |
631 | 669 if (code->negative_test) { |
670 e->sp->len = 0; | |
671 e->sp->data = (u_char *) ""; | |
672 | |
673 } else { | |
674 e->sp->len = 1; | |
675 e->sp->data = (u_char *) "1"; | |
676 } | |
677 | |
509 | 678 e->sp++; |
679 | |
680 e->ip += sizeof(ngx_http_script_regex_code_t); | |
681 return; | |
682 } | |
683 | |
684 if (code->status) { | |
685 e->status = code->status; | |
507 | 686 |
509 | 687 if (!code->redirect) { |
688 e->ip = ngx_http_script_exit; | |
689 return; | |
690 } | |
691 } | |
692 | |
693 if (code->uri) { | |
694 r->internal = 1; | |
695 r->valid_unparsed_uri = 0; | |
696 | |
697 if (code->break_cycle) { | |
698 r->valid_location = 0; | |
527 | 699 r->uri_changed = 0; |
509 | 700 |
701 } else { | |
702 r->uri_changed = 1; | |
703 } | |
704 } | |
705 | |
706 if (code->lengths == NULL) { | |
707 e->buf.len = code->size; | |
708 | |
709 if (code->uri) { | |
710 if (rc && (r->quoted_uri || r->plus_in_uri)) { | |
711 e->buf.len += 2 * ngx_escape_uri(NULL, r->uri.data, r->uri.len, | |
712 NGX_ESCAPE_ARGS); | |
713 } | |
714 } | |
715 | |
716 for (n = 1; n < (ngx_uint_t) rc; n++) { | |
717 e->buf.len += e->captures[2 * n + 1] - e->captures[2 * n]; | |
718 } | |
719 | |
720 } else { | |
721 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
722 | |
723 le.ip = code->lengths->elts; | |
679 | 724 le.line = e->line; |
509 | 725 le.request = r; |
726 le.captures = e->captures; | |
515 | 727 le.ncaptures = e->ncaptures; |
679 | 728 le.quote = code->redirect; |
509 | 729 |
1891
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
730 len = 0; |
509 | 731 |
732 while (*(uintptr_t *) le.ip) { | |
733 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
734 len += lcode(&le); | |
735 } | |
736 | |
737 e->buf.len = len; | |
1891
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
738 e->is_args = le.is_args; |
509 | 739 } |
740 | |
515 | 741 if (code->add_args && r->args.len) { |
509 | 742 e->buf.len += r->args.len + 1; |
743 } | |
744 | |
2049 | 745 e->buf.data = ngx_pnalloc(r->pool, e->buf.len); |
509 | 746 if (e->buf.data == NULL) { |
747 e->ip = ngx_http_script_exit; | |
748 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
507 | 749 return; |
750 } | |
751 | |
509 | 752 e->quote = code->redirect; |
753 | |
754 e->pos = e->buf.data; | |
755 | |
756 e->ip += sizeof(ngx_http_script_regex_code_t); | |
757 } | |
758 | |
759 | |
760 void | |
761 ngx_http_script_regex_end_code(ngx_http_script_engine_t *e) | |
762 { | |
577 | 763 u_char *dst, *src; |
509 | 764 ngx_http_request_t *r; |
765 ngx_http_script_regex_end_code_t *code; | |
766 | |
767 code = (ngx_http_script_regex_end_code_t *) e->ip; | |
768 | |
769 r = e->request; | |
770 | |
771 e->quote = 0; | |
772 | |
773 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
774 "http script regex end"); | |
775 | |
776 if (code->redirect) { | |
777 | |
577 | 778 dst = e->buf.data; |
779 src = e->buf.data; | |
780 | |
1593 | 781 ngx_unescape_uri(&dst, &src, e->pos - e->buf.data, |
782 NGX_UNESCAPE_REDIRECT); | |
577 | 783 |
784 if (src < e->pos) { | |
785 dst = ngx_copy(dst, src, e->pos - src); | |
786 } | |
787 | |
788 e->pos = dst; | |
789 | |
790 if (code->add_args && r->args.len) { | |
509 | 791 *e->pos++ = (u_char) (code->args ? '&' : '?'); |
573 | 792 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
509 | 793 } |
794 | |
795 e->buf.len = e->pos - e->buf.data; | |
796 | |
2393 | 797 #if (NGX_DEBUG) |
798 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, | |
799 "rewritten redirect: \"%V\"", &e->buf); | |
800 #else | |
509 | 801 if (e->log) { |
802 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, | |
803 "rewritten redirect: \"%V\"", &e->buf); | |
804 } | |
2393 | 805 #endif |
509 | 806 |
807 r->headers_out.location = ngx_list_push(&r->headers_out.headers); | |
808 if (r->headers_out.location == NULL) { | |
809 e->ip = ngx_http_script_exit; | |
810 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
811 return; | |
812 } | |
813 | |
577 | 814 r->headers_out.location->hash = 1; |
509 | 815 r->headers_out.location->key.len = sizeof("Location") - 1; |
816 r->headers_out.location->key.data = (u_char *) "Location"; | |
817 r->headers_out.location->value = e->buf; | |
818 | |
819 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
820 return; | |
821 } | |
822 | |
577 | 823 if (e->args) { |
509 | 824 e->buf.len = e->args - e->buf.data; |
825 | |
826 if (code->add_args && r->args.len) { | |
827 *e->pos++ = '&'; | |
573 | 828 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
509 | 829 } |
830 | |
831 r->args.len = e->pos - e->args; | |
832 r->args.data = e->args; | |
833 | |
834 e->args = NULL; | |
835 | |
836 } else { | |
837 e->buf.len = e->pos - e->buf.data; | |
673 | 838 |
839 if (!code->add_args) { | |
840 r->args.len = 0; | |
841 } | |
509 | 842 } |
843 | |
2393 | 844 #if (NGX_DEBUG) |
845 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, | |
846 "rewritten data: \"%V\", args: \"%V\"", &e->buf, &r->args); | |
847 #else | |
509 | 848 if (e->log) { |
849 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, | |
850 "rewritten data: \"%V\", args: \"%V\"", | |
851 &e->buf, &r->args); | |
852 } | |
2393 | 853 #endif |
509 | 854 |
855 if (code->uri) { | |
856 r->uri = e->buf; | |
857 | |
535 | 858 if (r->uri.len == 0) { |
859 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
860 "the rewritten URI has a zero length"); | |
861 e->ip = ngx_http_script_exit; | |
862 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
863 return; | |
864 } | |
865 | |
509 | 866 if (ngx_http_set_exten(r) != NGX_OK) { |
867 e->ip = ngx_http_script_exit; | |
868 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
869 return; | |
870 } | |
871 } | |
872 | |
873 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
874 } | |
875 | |
517 | 876 #endif |
877 | |
509 | 878 |
879 void | |
880 ngx_http_script_return_code(ngx_http_script_engine_t *e) | |
577 | 881 { |
509 | 882 ngx_http_script_return_code_t *code; |
577 | 883 |
509 | 884 code = (ngx_http_script_return_code_t *) e->ip; |
885 | |
886 e->status = code->status; | |
887 | |
653 | 888 if (code->status == NGX_HTTP_NO_CONTENT) { |
889 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
|
890 e->request->zero_body = 1; |
653 | 891 } |
892 | |
509 | 893 e->ip += sizeof(ngx_http_script_return_code_t) - sizeof(uintptr_t); |
479 | 894 } |
509 | 895 |
896 | |
897 void | |
527 | 898 ngx_http_script_break_code(ngx_http_script_engine_t *e) |
899 { | |
900 e->request->uri_changed = 0; | |
901 | |
902 e->ip = ngx_http_script_exit; | |
903 } | |
904 | |
905 | |
906 void | |
509 | 907 ngx_http_script_if_code(ngx_http_script_engine_t *e) |
908 { | |
909 ngx_http_script_if_code_t *code; | |
910 | |
911 code = (ngx_http_script_if_code_t *) e->ip; | |
912 | |
913 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
914 "http script if"); | |
915 | |
916 e->sp--; | |
917 | |
573 | 918 if (e->sp->len && e->sp->data[0] != '0') { |
509 | 919 if (code->loc_conf) { |
920 e->request->loc_conf = code->loc_conf; | |
535 | 921 ngx_http_update_location_config(e->request); |
509 | 922 } |
923 | |
924 e->ip += sizeof(ngx_http_script_if_code_t); | |
925 return; | |
926 } | |
927 | |
928 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
577 | 929 "http script if: false"); |
509 | 930 |
931 e->ip += code->next; | |
932 } | |
933 | |
934 | |
935 void | |
577 | 936 ngx_http_script_equal_code(ngx_http_script_engine_t *e) |
937 { | |
938 ngx_http_variable_value_t *val, *res; | |
939 | |
940 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
941 "http script equal"); | |
942 | |
943 e->sp--; | |
944 val = e->sp; | |
945 res = e->sp - 1; | |
946 | |
947 e->ip += sizeof(uintptr_t); | |
948 | |
2393 | 949 if (val->len == res->len |
950 && ngx_strncmp(val->data, res->data, res->len) == 0) | |
577 | 951 { |
952 *res = ngx_http_variable_true_value; | |
953 return; | |
954 } | |
955 | |
956 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
957 "http script equal: no"); | |
958 | |
959 *res = ngx_http_variable_null_value; | |
960 } | |
961 | |
962 | |
963 void | |
964 ngx_http_script_not_equal_code(ngx_http_script_engine_t *e) | |
965 { | |
966 ngx_http_variable_value_t *val, *res; | |
967 | |
968 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
969 "http script not equal"); | |
970 | |
971 e->sp--; | |
972 val = e->sp; | |
973 res = e->sp - 1; | |
974 | |
975 e->ip += sizeof(uintptr_t); | |
976 | |
2393 | 977 if (val->len == res->len |
978 && ngx_strncmp(val->data, res->data, res->len) == 0) | |
577 | 979 { |
980 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
981 "http script not equal: no"); | |
982 | |
983 *res = ngx_http_variable_null_value; | |
984 return; | |
985 } | |
986 | |
987 *res = ngx_http_variable_true_value; | |
988 } | |
989 | |
990 | |
991 void | |
631 | 992 ngx_http_script_file_code(ngx_http_script_engine_t *e) |
993 { | |
1454 | 994 ngx_str_t path; |
995 ngx_http_request_t *r; | |
996 ngx_open_file_info_t of; | |
997 ngx_http_core_loc_conf_t *clcf; | |
631 | 998 ngx_http_variable_value_t *value; |
999 ngx_http_script_file_code_t *code; | |
1000 | |
1001 value = e->sp - 1; | |
1002 | |
1003 code = (ngx_http_script_file_code_t *) e->ip; | |
1004 e->ip += sizeof(ngx_http_script_file_code_t); | |
1005 | |
1454 | 1006 path.len = value->len - 1; |
1007 path.data = value->data; | |
1008 | |
1009 r = e->request; | |
1010 | |
1011 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1012 "http script file op %p \"%V\"", code->op, &path); | |
1013 | |
1014 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
631 | 1015 |
2068
75a8d34459c5
ngx_memzero() ngx_open_file_info_t
Igor Sysoev <igor@sysoev.ru>
parents:
2063
diff
changeset
|
1016 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
|
1017 |
2129 | 1018 of.directio = clcf->directio; |
1767
c42431762903
open_file_cache_retest > open_file_cache_valid
Igor Sysoev <igor@sysoev.ru>
parents:
1593
diff
changeset
|
1019 of.valid = clcf->open_file_cache_valid; |
1772 | 1020 of.min_uses = clcf->open_file_cache_min_uses; |
1454 | 1021 of.errors = clcf->open_file_cache_errors; |
1457 | 1022 of.events = clcf->open_file_cache_events; |
631 | 1023 |
1454 | 1024 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) |
1799 | 1025 != NGX_OK) |
1454 | 1026 { |
1027 if (of.err != NGX_ENOENT && of.err != NGX_ENOTDIR) { | |
1028 ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err, | |
631 | 1029 ngx_file_info_n " \"%s\" failed", value->data); |
1030 } | |
1031 | |
1032 switch (code->op) { | |
671 | 1033 |
631 | 1034 case ngx_http_script_file_plain: |
669 | 1035 case ngx_http_script_file_dir: |
1036 case ngx_http_script_file_exists: | |
1037 case ngx_http_script_file_exec: | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1038 goto false_value; |
671 | 1039 |
631 | 1040 case ngx_http_script_file_not_plain: |
669 | 1041 case ngx_http_script_file_not_dir: |
671 | 1042 case ngx_http_script_file_not_exists: |
669 | 1043 case ngx_http_script_file_not_exec: |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1044 goto true_value; |
631 | 1045 } |
1046 | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1047 goto false_value; |
631 | 1048 } |
1049 | |
1050 switch (code->op) { | |
1051 case ngx_http_script_file_plain: | |
1454 | 1052 if (of.is_file) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1053 goto true_value; |
631 | 1054 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1055 goto false_value; |
631 | 1056 |
1057 case ngx_http_script_file_not_plain: | |
1454 | 1058 if (of.is_file) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1059 goto false_value; |
631 | 1060 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1061 goto true_value; |
669 | 1062 |
1063 case ngx_http_script_file_dir: | |
1454 | 1064 if (of.is_dir) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1065 goto true_value; |
669 | 1066 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1067 goto false_value; |
669 | 1068 |
1069 case ngx_http_script_file_not_dir: | |
1454 | 1070 if (of.is_dir) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1071 goto false_value; |
669 | 1072 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1073 goto true_value; |
669 | 1074 |
1075 case ngx_http_script_file_exists: | |
1454 | 1076 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
|
1077 goto true_value; |
669 | 1078 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1079 goto false_value; |
669 | 1080 |
1081 case ngx_http_script_file_not_exists: | |
1454 | 1082 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
|
1083 goto false_value; |
669 | 1084 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1085 goto true_value; |
669 | 1086 |
1087 case ngx_http_script_file_exec: | |
1454 | 1088 if (of.is_exec) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1089 goto true_value; |
669 | 1090 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1091 goto false_value; |
669 | 1092 |
1093 case ngx_http_script_file_not_exec: | |
1454 | 1094 if (of.is_exec) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1095 goto false_value; |
669 | 1096 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1097 goto true_value; |
631 | 1098 } |
1099 | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1100 false_value: |
631 | 1101 |
1454 | 1102 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
631 | 1103 "http script file op false"); |
1104 | |
1105 *value = ngx_http_variable_null_value; | |
1106 return; | |
1107 | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1108 true_value: |
631 | 1109 |
1110 *value = ngx_http_variable_true_value; | |
1111 return; | |
1112 } | |
1113 | |
1114 | |
1115 void | |
515 | 1116 ngx_http_script_complex_value_code(ngx_http_script_engine_t *e) |
1117 { | |
1118 size_t len; | |
1119 ngx_http_script_engine_t le; | |
1120 ngx_http_script_len_code_pt lcode; | |
1121 ngx_http_script_complex_value_code_t *code; | |
1122 | |
1123 code = (ngx_http_script_complex_value_code_t *) e->ip; | |
1124 | |
1125 e->ip += sizeof(ngx_http_script_complex_value_code_t); | |
1126 | |
1127 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1128 "http script complex value"); | |
1129 | |
1130 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
1131 | |
1132 le.ip = code->lengths->elts; | |
655 | 1133 le.line = e->line; |
515 | 1134 le.request = e->request; |
1135 le.captures = e->captures; | |
1136 le.ncaptures = e->ncaptures; | |
655 | 1137 le.quote = e->quote; |
515 | 1138 |
1139 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) { | |
1140 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
1141 } | |
1142 | |
1143 e->buf.len = len; | |
2049 | 1144 e->buf.data = ngx_pnalloc(e->request->pool, len); |
515 | 1145 if (e->buf.data == NULL) { |
1146 e->ip = ngx_http_script_exit; | |
1147 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1148 return; | |
1149 } | |
1150 | |
1151 e->pos = e->buf.data; | |
1152 | |
577 | 1153 e->sp->len = e->buf.len; |
573 | 1154 e->sp->data = e->buf.data; |
515 | 1155 e->sp++; |
1156 } | |
1157 | |
1158 | |
1159 void | |
509 | 1160 ngx_http_script_value_code(ngx_http_script_engine_t *e) |
1161 { | |
1162 ngx_http_script_value_code_t *code; | |
1163 | |
1164 code = (ngx_http_script_value_code_t *) e->ip; | |
1165 | |
1166 e->ip += sizeof(ngx_http_script_value_code_t); | |
1167 | |
573 | 1168 e->sp->len = code->text_len; |
1169 e->sp->data = (u_char *) code->text_data; | |
577 | 1170 |
1171 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1561 | 1172 "http script value: \"%v\"", e->sp); |
577 | 1173 |
509 | 1174 e->sp++; |
1175 } | |
1176 | |
1177 | |
1178 void | |
1179 ngx_http_script_set_var_code(ngx_http_script_engine_t *e) | |
1180 { | |
1181 ngx_http_request_t *r; | |
1182 ngx_http_script_var_code_t *code; | |
1183 | |
1184 code = (ngx_http_script_var_code_t *) e->ip; | |
1185 | |
1186 e->ip += sizeof(ngx_http_script_var_code_t); | |
1187 | |
1188 r = e->request; | |
1189 | |
1190 e->sp--; | |
1191 | |
573 | 1192 r->variables[code->index].len = e->sp->len; |
1193 r->variables[code->index].valid = 1; | |
1565 | 1194 r->variables[code->index].no_cacheable = 0; |
573 | 1195 r->variables[code->index].not_found = 0; |
1196 r->variables[code->index].data = e->sp->data; | |
2393 | 1197 |
1198 #if (NGX_DEBUG) | |
1199 { | |
1200 ngx_http_variable_t *v; | |
1201 ngx_http_core_main_conf_t *cmcf; | |
1202 | |
1203 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
1204 | |
1205 v = cmcf->variables.elts; | |
1206 | |
1207 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1208 "http script set $%V", &v[code->index].name); | |
1209 } | |
1210 #endif | |
509 | 1211 } |
1212 | |
1213 | |
1214 void | |
637 | 1215 ngx_http_script_var_set_handler_code(ngx_http_script_engine_t *e) |
1216 { | |
1217 ngx_http_script_var_handler_code_t *code; | |
1218 | |
1219 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1220 "http script set var handler"); | |
1221 | |
1222 code = (ngx_http_script_var_handler_code_t *) e->ip; | |
1223 | |
1224 e->ip += sizeof(ngx_http_script_var_handler_code_t); | |
1225 | |
1226 e->sp--; | |
1227 | |
1228 code->handler(e->request, e->sp, code->data); | |
1229 } | |
1230 | |
1231 | |
1232 void | |
509 | 1233 ngx_http_script_var_code(ngx_http_script_engine_t *e) |
1234 { | |
1235 ngx_http_variable_value_t *value; | |
1236 ngx_http_script_var_code_t *code; | |
1237 | |
1238 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1239 "http script var"); | |
1240 | |
1241 code = (ngx_http_script_var_code_t *) e->ip; | |
1242 | |
1243 e->ip += sizeof(ngx_http_script_var_code_t); | |
1244 | |
573 | 1245 value = ngx_http_get_flushed_variable(e->request, code->index); |
509 | 1246 |
573 | 1247 if (value && !value->not_found) { |
1248 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
|
1249 "http script var: \"%v\"", value); |
573 | 1250 |
553 | 1251 *e->sp = *value; |
509 | 1252 e->sp++; |
1253 | |
1254 return; | |
1255 } | |
1256 | |
577 | 1257 *e->sp = ngx_http_variable_null_value; |
509 | 1258 e->sp++; |
1259 } | |
1260 | |
1261 | |
1262 void | |
1263 ngx_http_script_nop_code(ngx_http_script_engine_t *e) | |
1264 { | |
1265 e->ip += sizeof(uintptr_t); | |
1266 } |