|
50
|
1
|
|
|
2 /*
|
|
|
3 * Copyright (C) Igor Sysoev
|
|
|
4 */
|
|
|
5
|
|
|
6
|
|
|
7 #include <ngx_config.h>
|
|
|
8 #include <ngx_core.h>
|
|
|
9 #include <ngx_http.h>
|
|
|
10
|
|
|
11
|
|
|
12 typedef struct {
|
|
58
|
13 ngx_str_t name;
|
|
|
14 ngx_uint_t wildcard;
|
|
50
|
15 } ngx_http_rewrite_referer_t;
|
|
|
16
|
|
|
17
|
|
|
18 typedef struct {
|
|
58
|
19 ngx_array_t *codes; /* uintptr_t */
|
|
|
20 ngx_array_t *referers; /* ngx_http_rewrite_referer_t */
|
|
50
|
21
|
|
64
|
22 ngx_uint_t captures;
|
|
58
|
23 ngx_uint_t stack_size;
|
|
50
|
24
|
|
58
|
25 ngx_flag_t log;
|
|
50
|
26
|
|
58
|
27 ngx_flag_t no_referer;
|
|
|
28 ngx_flag_t blocked_referer;
|
|
50
|
29 } ngx_http_rewrite_loc_conf_t;
|
|
|
30
|
|
|
31
|
|
|
32 static void *ngx_http_rewrite_create_loc_conf(ngx_conf_t *cf);
|
|
|
33 static char *ngx_http_rewrite_merge_loc_conf(ngx_conf_t *cf,
|
|
|
34 void *parent, void *child);
|
|
58
|
35 static ngx_int_t ngx_http_rewrite_init(ngx_cycle_t *cycle);
|
|
50
|
36 static char *ngx_http_rewrite(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
|
|
|
37 static char *ngx_http_rewrite_return(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
38 void *conf);
|
|
|
39 static char *ngx_http_rewrite_if(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
40 void *conf);
|
|
|
41 static char * ngx_http_rewrite_if_condition(ngx_conf_t *cf,
|
|
|
42 ngx_http_rewrite_loc_conf_t *lcf);
|
|
|
43 static char *ngx_http_rewrite_variable(ngx_conf_t *cf,
|
|
|
44 ngx_http_rewrite_loc_conf_t *lcf, ngx_str_t *value);
|
|
|
45 static char *ngx_http_rewrite_valid_referers(ngx_conf_t *cf,
|
|
|
46 ngx_command_t *cmd, void *conf);
|
|
58
|
47 static char *ngx_http_rewrite_set(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
50
|
48 void *conf);
|
|
|
49
|
|
|
50
|
|
|
51 static ngx_command_t ngx_http_rewrite_commands[] = {
|
|
|
52
|
|
|
53 { ngx_string("rewrite"),
|
|
|
54 NGX_HTTP_SRV_CONF|NGX_HTTP_SIF_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|
|
|
55 |NGX_CONF_TAKE23,
|
|
|
56 ngx_http_rewrite,
|
|
|
57 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
58 0,
|
|
|
59 NULL },
|
|
|
60
|
|
|
61 { ngx_string("return"),
|
|
|
62 NGX_HTTP_SRV_CONF|NGX_HTTP_SIF_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|
|
|
63 |NGX_CONF_TAKE1,
|
|
|
64 ngx_http_rewrite_return,
|
|
|
65 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
66 0,
|
|
|
67 NULL },
|
|
|
68
|
|
|
69 { ngx_string("if"),
|
|
|
70 NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_BLOCK|NGX_CONF_1MORE,
|
|
|
71 ngx_http_rewrite_if,
|
|
|
72 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
73 0,
|
|
|
74 NULL },
|
|
|
75
|
|
|
76 { ngx_string("valid_referers"),
|
|
|
77 NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
|
78 ngx_http_rewrite_valid_referers,
|
|
|
79 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
80 0,
|
|
|
81 NULL },
|
|
|
82
|
|
|
83 { ngx_string("set"),
|
|
|
84 NGX_HTTP_SRV_CONF|NGX_HTTP_SIF_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|
|
|
85 |NGX_CONF_TAKE2,
|
|
|
86 ngx_http_rewrite_set,
|
|
|
87 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
88 0,
|
|
|
89 NULL },
|
|
|
90
|
|
|
91 { ngx_string("rewrite_log"),
|
|
|
92 NGX_HTTP_SRV_CONF|NGX_HTTP_SIF_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|
|
|
93 |NGX_CONF_TAKE1,
|
|
|
94 ngx_conf_set_flag_slot,
|
|
|
95 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
96 offsetof(ngx_http_rewrite_loc_conf_t, log),
|
|
|
97 NULL },
|
|
|
98
|
|
|
99 ngx_null_command
|
|
|
100 };
|
|
|
101
|
|
|
102
|
|
|
103 ngx_http_module_t ngx_http_rewrite_module_ctx = {
|
|
58
|
104 NULL, /* preconfiguration */
|
|
|
105 NULL, /* postconfiguration */
|
|
50
|
106
|
|
|
107 NULL, /* create main configuration */
|
|
|
108 NULL, /* init main configuration */
|
|
|
109
|
|
|
110 NULL, /* create server configuration */
|
|
|
111 NULL, /* merge server configuration */
|
|
|
112
|
|
|
113 ngx_http_rewrite_create_loc_conf, /* create location configration */
|
|
|
114 ngx_http_rewrite_merge_loc_conf /* merge location configration */
|
|
|
115 };
|
|
|
116
|
|
|
117
|
|
|
118 ngx_module_t ngx_http_rewrite_module = {
|
|
58
|
119 NGX_MODULE_V1,
|
|
50
|
120 &ngx_http_rewrite_module_ctx, /* module context */
|
|
|
121 ngx_http_rewrite_commands, /* module directives */
|
|
|
122 NGX_HTTP_MODULE, /* module type */
|
|
|
123 ngx_http_rewrite_init, /* init module */
|
|
|
124 NULL /* init process */
|
|
|
125 };
|
|
|
126
|
|
|
127
|
|
|
128 static ngx_http_variable_value_t ngx_http_rewrite_null_value =
|
|
58
|
129 { 0, ngx_string("") };
|
|
50
|
130
|
|
|
131
|
|
|
132 static ngx_int_t
|
|
|
133 ngx_http_rewrite_handler(ngx_http_request_t *r)
|
|
|
134 {
|
|
58
|
135 ngx_http_script_code_pt code;
|
|
|
136 ngx_http_script_engine_t *e;
|
|
50
|
137 ngx_http_rewrite_loc_conf_t *cf;
|
|
|
138
|
|
|
139 cf = ngx_http_get_module_loc_conf(r, ngx_http_rewrite_module);
|
|
|
140
|
|
|
141 if (cf->codes == NULL) {
|
|
|
142 return NGX_DECLINED;
|
|
|
143 }
|
|
|
144
|
|
58
|
145 e = ngx_pcalloc(r->pool, sizeof(ngx_http_script_engine_t));
|
|
50
|
146 if (e == NULL) {
|
|
|
147 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
148 }
|
|
|
149
|
|
58
|
150 e->sp = ngx_pcalloc(r->pool,
|
|
|
151 cf->stack_size * sizeof(ngx_http_variable_value_t));
|
|
50
|
152 if (e->sp == NULL) {
|
|
|
153 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
154 }
|
|
|
155
|
|
64
|
156 if (cf->captures) {
|
|
|
157 e->captures = ngx_palloc(r->pool, cf->captures * sizeof(int));
|
|
50
|
158 if (e->captures == NULL) {
|
|
|
159 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
160 }
|
|
|
161
|
|
|
162 } else {
|
|
|
163 e->captures = NULL;
|
|
|
164 }
|
|
|
165
|
|
|
166 e->ip = cf->codes->elts;
|
|
58
|
167 e->request = r;
|
|
50
|
168 e->quote = 1;
|
|
58
|
169 e->log = cf->log;
|
|
50
|
170 e->status = NGX_DECLINED;
|
|
|
171
|
|
|
172 while (*(uintptr_t *) e->ip) {
|
|
58
|
173 code = *(ngx_http_script_code_pt *) e->ip;
|
|
50
|
174 code(e);
|
|
|
175 }
|
|
|
176
|
|
|
177 return e->status;
|
|
|
178 }
|
|
|
179
|
|
|
180
|
|
|
181 static void
|
|
58
|
182 ngx_http_rewrite_invalid_referer_code(ngx_http_script_engine_t *e)
|
|
50
|
183 {
|
|
|
184 u_char *ref;
|
|
|
185 size_t len;
|
|
|
186 ngx_uint_t i, n;
|
|
|
187 ngx_http_request_t *r;
|
|
|
188 ngx_http_rewrite_referer_t *refs;
|
|
|
189 ngx_http_rewrite_loc_conf_t *cf;
|
|
|
190
|
|
|
191 r = e->request;
|
|
|
192
|
|
|
193 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
194 "http rewrite invalid referer");
|
|
|
195
|
|
|
196 cf = ngx_http_get_module_loc_conf(r, ngx_http_rewrite_module);
|
|
|
197
|
|
|
198 e->ip += sizeof(uintptr_t);
|
|
|
199
|
|
|
200 if (cf->referers == NULL) {
|
|
|
201 e->sp->value = 0;
|
|
|
202 e->sp->text.len = 0;
|
|
|
203 e->sp->text.data = (u_char *) "";
|
|
|
204 e->sp++;
|
|
|
205
|
|
|
206 return;
|
|
|
207 }
|
|
|
208
|
|
|
209 if (r->headers_in.referer == NULL) {
|
|
|
210 if (cf->no_referer) {
|
|
|
211 e->sp->value = 0;
|
|
|
212 e->sp->text.len = 0;
|
|
|
213 e->sp->text.data = (u_char *) "";
|
|
|
214 e->sp++;
|
|
|
215
|
|
|
216 return;
|
|
54
|
217
|
|
50
|
218 } else {
|
|
|
219 e->sp->value = 1;
|
|
|
220 e->sp->text.len = 1;
|
|
|
221 e->sp->text.data = (u_char *) "1";
|
|
|
222 e->sp++;
|
|
|
223
|
|
|
224 return;
|
|
|
225 }
|
|
|
226 }
|
|
|
227
|
|
|
228 len = r->headers_in.referer->value.len;
|
|
|
229 ref = r->headers_in.referer->value.data;
|
|
|
230
|
|
|
231 if (len < sizeof("http://i.ru") - 1
|
|
|
232 || (ngx_strncasecmp(ref, "http://", 7) != 0))
|
|
|
233 {
|
|
54
|
234 if (cf->blocked_referer) {
|
|
|
235 e->sp->value = 0;
|
|
|
236 e->sp->text.len = 0;
|
|
|
237 e->sp->text.data = (u_char *) "0";
|
|
|
238 e->sp++;
|
|
|
239
|
|
|
240 return;
|
|
50
|
241
|
|
54
|
242 } else {
|
|
|
243 e->sp->value = 1;
|
|
|
244 e->sp->text.len = 1;
|
|
|
245 e->sp->text.data = (u_char *) "1";
|
|
|
246 e->sp++;
|
|
|
247
|
|
|
248 return;
|
|
|
249 }
|
|
50
|
250 }
|
|
|
251
|
|
|
252 len -= 7;
|
|
|
253 ref += 7;
|
|
|
254
|
|
|
255 refs = cf->referers->elts;
|
|
|
256 for (i = 0; i < cf->referers->nelts; i++ ){
|
|
|
257
|
|
|
258 if (refs[i].name.len > len) {
|
|
|
259 continue;
|
|
|
260 }
|
|
|
261
|
|
|
262 if (refs[i].wildcard) {
|
|
|
263 for (n = 0; n < len; n++) {
|
|
|
264 if (ref[n] == '/' || ref[n] == ':') {
|
|
|
265 break;
|
|
|
266 }
|
|
|
267
|
|
|
268 if (ref[n] != '.') {
|
|
|
269 continue;
|
|
|
270 }
|
|
|
271
|
|
|
272 if (ngx_strncmp(&ref[n], refs[i].name.data,
|
|
|
273 refs[i].name.len) == 0)
|
|
|
274 {
|
|
|
275 e->sp->value = 0;
|
|
|
276 e->sp->text.len = 0;
|
|
|
277 e->sp->text.data = (u_char *) "";
|
|
|
278 e->sp++;
|
|
|
279
|
|
|
280 return;
|
|
|
281 }
|
|
|
282 }
|
|
|
283
|
|
|
284 } else {
|
|
|
285 if (ngx_strncasecmp(refs[i].name.data, ref, refs[i].name.len) == 0)
|
|
|
286 {
|
|
|
287 e->sp->value = 0;
|
|
|
288 e->sp->text.len = 0;
|
|
|
289 e->sp->text.data = (u_char *) "";
|
|
|
290 e->sp++;
|
|
|
291
|
|
|
292 return;
|
|
|
293 }
|
|
|
294 }
|
|
|
295 }
|
|
|
296
|
|
|
297 e->sp->value = 1;
|
|
|
298 e->sp->text.len = 1;
|
|
|
299 e->sp->text.data = (u_char *) "1";
|
|
|
300 e->sp++;
|
|
|
301 }
|
|
|
302
|
|
|
303
|
|
|
304 static ngx_http_variable_value_t *
|
|
|
305 ngx_http_rewrite_var(ngx_http_request_t *r, uintptr_t data)
|
|
|
306 {
|
|
|
307 ngx_http_variable_t *var;
|
|
|
308 ngx_http_core_main_conf_t *cmcf;
|
|
|
309
|
|
|
310 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
|
311
|
|
|
312 var = cmcf->variables.elts;
|
|
|
313
|
|
|
314 /*
|
|
|
315 * the ngx_http_rewrite_module sets variables directly in r->variables,
|
|
68
|
316 * and they should be handled by ngx_http_get_indexed_variable(),
|
|
50
|
317 * so the handler is called only if the variable is not initialized
|
|
|
318 */
|
|
|
319
|
|
|
320 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
321 "using uninitialized \"%V\" variable", &var[data].name);
|
|
|
322
|
|
|
323 return &ngx_http_rewrite_null_value;
|
|
|
324 }
|
|
|
325
|
|
|
326
|
|
|
327 static void *
|
|
|
328 ngx_http_rewrite_create_loc_conf(ngx_conf_t *cf)
|
|
|
329 {
|
|
|
330 ngx_http_rewrite_loc_conf_t *conf;
|
|
|
331
|
|
|
332 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_rewrite_loc_conf_t));
|
|
|
333 if (conf == NULL) {
|
|
|
334 return NGX_CONF_ERROR;
|
|
|
335 }
|
|
|
336
|
|
|
337 conf->stack_size = NGX_CONF_UNSET_UINT;
|
|
|
338 conf->log = NGX_CONF_UNSET;
|
|
|
339 conf->no_referer = NGX_CONF_UNSET;
|
|
54
|
340 conf->blocked_referer = NGX_CONF_UNSET;
|
|
50
|
341
|
|
|
342 return conf;
|
|
|
343 }
|
|
|
344
|
|
|
345
|
|
|
346 static char *
|
|
|
347 ngx_http_rewrite_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
348 {
|
|
|
349 ngx_http_rewrite_loc_conf_t *prev = parent;
|
|
|
350 ngx_http_rewrite_loc_conf_t *conf = child;
|
|
|
351
|
|
58
|
352 uintptr_t *code;
|
|
50
|
353
|
|
|
354 ngx_conf_merge_value(conf->log, prev->log, 0);
|
|
|
355 ngx_conf_merge_unsigned_value(conf->stack_size, prev->stack_size, 10);
|
|
|
356
|
|
|
357 if (conf->referers == NULL) {
|
|
|
358 conf->referers = prev->referers;
|
|
|
359 ngx_conf_merge_value(conf->no_referer, prev->no_referer, 0);
|
|
54
|
360 ngx_conf_merge_value(conf->blocked_referer, prev->blocked_referer, 0);
|
|
50
|
361 }
|
|
|
362
|
|
|
363 if (conf->no_referer == NGX_CONF_UNSET) {
|
|
|
364 conf->no_referer = 0;
|
|
|
365 }
|
|
|
366
|
|
54
|
367 if (conf->blocked_referer == NGX_CONF_UNSET) {
|
|
|
368 conf->blocked_referer = 0;
|
|
|
369 }
|
|
|
370
|
|
50
|
371 if (conf->codes == NULL) {
|
|
|
372 return NGX_CONF_OK;
|
|
|
373 }
|
|
|
374
|
|
|
375 if (conf->codes == prev->codes) {
|
|
|
376 return NGX_CONF_OK;
|
|
|
377 }
|
|
|
378
|
|
|
379 code = ngx_array_push_n(conf->codes, sizeof(uintptr_t));
|
|
|
380 if (code == NULL) {
|
|
|
381 return NGX_CONF_ERROR;
|
|
|
382 }
|
|
|
383
|
|
|
384 *code = (uintptr_t) NULL;
|
|
|
385
|
|
|
386 return NGX_CONF_OK;
|
|
|
387 }
|
|
|
388
|
|
|
389
|
|
58
|
390 static ngx_int_t
|
|
|
391 ngx_http_rewrite_init(ngx_cycle_t *cycle)
|
|
|
392 {
|
|
|
393 ngx_http_handler_pt *h;
|
|
|
394 ngx_http_core_main_conf_t *cmcf;
|
|
|
395
|
|
|
396 cmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_core_module);
|
|
|
397
|
|
|
398 h = ngx_array_push(&cmcf->phases[NGX_HTTP_REWRITE_PHASE].handlers);
|
|
|
399 if (h == NULL) {
|
|
|
400 return NGX_ERROR;
|
|
|
401 }
|
|
|
402
|
|
|
403 *h = ngx_http_rewrite_handler;
|
|
|
404
|
|
|
405 return NGX_OK;
|
|
|
406 }
|
|
|
407
|
|
|
408
|
|
50
|
409 static char *
|
|
|
410 ngx_http_rewrite(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
411 {
|
|
|
412 ngx_http_rewrite_loc_conf_t *lcf = conf;
|
|
|
413
|
|
58
|
414 ngx_str_t *value, err;
|
|
|
415 ngx_int_t n;
|
|
|
416 ngx_uint_t last;
|
|
|
417 ngx_http_script_code_pt *code;
|
|
|
418 ngx_http_script_compile_t sc;
|
|
|
419 ngx_http_script_regex_code_t *regex;
|
|
|
420 ngx_http_script_regex_end_code_t *regex_end;
|
|
|
421 u_char errstr[NGX_MAX_CONF_ERRSTR];
|
|
50
|
422
|
|
58
|
423 regex = ngx_http_script_start_code(cf->pool, &lcf->codes,
|
|
|
424 sizeof(ngx_http_script_regex_code_t));
|
|
50
|
425 if (regex == NULL) {
|
|
|
426 return NGX_CONF_ERROR;
|
|
|
427 }
|
|
|
428
|
|
58
|
429 ngx_memzero(regex, sizeof(ngx_http_script_regex_code_t));
|
|
|
430
|
|
50
|
431 value = cf->args->elts;
|
|
|
432
|
|
|
433 err.len = NGX_MAX_CONF_ERRSTR;
|
|
|
434 err.data = errstr;
|
|
|
435
|
|
|
436 /* TODO: NGX_REGEX_CASELESS */
|
|
|
437
|
|
|
438 regex->regex = ngx_regex_compile(&value[1], 0, cf->pool, &err);
|
|
|
439
|
|
|
440 if (regex->regex == NULL) {
|
|
|
441 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%s", err.data);
|
|
|
442 return NGX_CONF_ERROR;
|
|
|
443 }
|
|
|
444
|
|
58
|
445 regex->code = ngx_http_script_regex_start_code;
|
|
50
|
446 regex->uri = 1;
|
|
|
447 regex->name = value[1];
|
|
|
448
|
|
58
|
449 if (value[2].data[value[2].len - 1] == '?') {
|
|
|
450
|
|
|
451 /* the last "?" drops the original arguments */
|
|
|
452 value[2].len--;
|
|
|
453
|
|
|
454 } else {
|
|
|
455 regex->add_args = 1;
|
|
|
456 }
|
|
|
457
|
|
50
|
458 last = 0;
|
|
|
459
|
|
|
460 if (ngx_strncmp(value[2].data, "http://", sizeof("http://") - 1) == 0) {
|
|
|
461 regex->status = NGX_HTTP_MOVED_TEMPORARILY;
|
|
|
462 regex->redirect = 1;
|
|
|
463 last = 1;
|
|
|
464 }
|
|
|
465
|
|
|
466 if (cf->args->nelts == 4) {
|
|
|
467 if (ngx_strcmp(value[3].data, "last") == 0) {
|
|
|
468 last = 1;
|
|
|
469
|
|
|
470 } else if (ngx_strcmp(value[3].data, "break") == 0) {
|
|
|
471 regex->break_cycle = 1;
|
|
|
472 last = 1;
|
|
|
473
|
|
|
474 } else if (ngx_strcmp(value[3].data, "redirect") == 0) {
|
|
|
475 regex->status = NGX_HTTP_MOVED_TEMPORARILY;
|
|
|
476 regex->redirect = 1;
|
|
|
477 last = 1;
|
|
|
478
|
|
|
479 } else if (ngx_strcmp(value[3].data, "permanent") == 0) {
|
|
|
480 regex->status = NGX_HTTP_MOVED_PERMANENTLY;
|
|
|
481 regex->redirect = 1;
|
|
|
482 last = 1;
|
|
|
483
|
|
|
484 } else {
|
|
|
485 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
486 "invalid parameter \"%V\"", &value[3]);
|
|
|
487 return NGX_CONF_ERROR;
|
|
|
488 }
|
|
|
489 }
|
|
|
490
|
|
58
|
491 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
50
|
492
|
|
58
|
493 sc.cf = cf;
|
|
|
494 sc.source = &value[2];
|
|
|
495 sc.lengths = ®ex->lengths;
|
|
|
496 sc.values = &lcf->codes;
|
|
|
497 sc.variables = ngx_http_script_variables_count(&value[2]);
|
|
|
498 sc.main = regex;
|
|
|
499 sc.complete_lengths = 1;
|
|
|
500 sc.compile_args = !regex->redirect;
|
|
50
|
501
|
|
58
|
502 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
503 return NGX_CONF_ERROR;
|
|
|
504 }
|
|
50
|
505
|
|
58
|
506 regex = sc.main;
|
|
50
|
507
|
|
58
|
508 regex->ncaptures = sc.ncaptures;
|
|
|
509 regex->size = sc.size;
|
|
|
510 regex->args = sc.args;
|
|
50
|
511
|
|
58
|
512 if (sc.variables == 0) {
|
|
|
513 regex->lengths = NULL;
|
|
50
|
514 }
|
|
|
515
|
|
|
516 n = ngx_regex_capture_count(regex->regex);
|
|
|
517
|
|
|
518 if (n < 0) {
|
|
|
519 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
520 ngx_regex_capture_count_n " failed for "
|
|
|
521 "pattern \"%V\"", &value[1]);
|
|
|
522 return NGX_CONF_ERROR;
|
|
|
523 }
|
|
|
524
|
|
|
525 if (regex->ncaptures > (ngx_uint_t) n) {
|
|
|
526 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
527 "pattern \"%V\" has less captures "
|
|
|
528 "than referrenced in substitution \"%V\"",
|
|
|
529 &value[1], &value[2]);
|
|
|
530 return NGX_CONF_ERROR;
|
|
|
531 }
|
|
|
532
|
|
|
533 if (regex->ncaptures < (ngx_uint_t) n) {
|
|
|
534 regex->ncaptures = (ngx_uint_t) n;
|
|
|
535 }
|
|
|
536
|
|
|
537 if (regex->ncaptures) {
|
|
|
538 regex->ncaptures = (regex->ncaptures + 1) * 3;
|
|
|
539
|
|
64
|
540 if (lcf->captures < regex->ncaptures) {
|
|
|
541 lcf->captures = regex->ncaptures;
|
|
|
542 }
|
|
58
|
543 }
|
|
|
544
|
|
|
545 regex_end = ngx_http_script_add_code(lcf->codes,
|
|
|
546 sizeof(ngx_http_script_regex_end_code_t),
|
|
|
547 ®ex);
|
|
50
|
548 if (regex_end == NULL) {
|
|
|
549 return NGX_CONF_ERROR;
|
|
|
550 }
|
|
|
551
|
|
58
|
552 regex_end->code = ngx_http_script_regex_end_code;
|
|
50
|
553 regex_end->uri = regex->uri;
|
|
|
554 regex_end->args = regex->args;
|
|
58
|
555 regex_end->add_args = regex->add_args;
|
|
50
|
556 regex_end->redirect = regex->redirect;
|
|
|
557
|
|
|
558 if (last) {
|
|
66
|
559 code = ngx_http_script_add_code(lcf->codes, sizeof(uintptr_t), ®ex);
|
|
50
|
560 if (code == NULL) {
|
|
|
561 return NGX_CONF_ERROR;
|
|
|
562 }
|
|
|
563
|
|
|
564 *code = (uintptr_t) NULL;
|
|
|
565 }
|
|
|
566
|
|
|
567 regex->next = (u_char *) lcf->codes->elts + lcf->codes->nelts
|
|
|
568 - (u_char *) regex;
|
|
|
569
|
|
|
570 return NGX_CONF_OK;
|
|
|
571 }
|
|
|
572
|
|
|
573
|
|
|
574 static char *
|
|
|
575 ngx_http_rewrite_return(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
576 {
|
|
|
577 ngx_http_rewrite_loc_conf_t *lcf = conf;
|
|
|
578
|
|
58
|
579 ngx_str_t *value;
|
|
|
580 ngx_http_script_return_code_t *ret;
|
|
50
|
581
|
|
58
|
582 ret = ngx_http_script_start_code(cf->pool, &lcf->codes,
|
|
|
583 sizeof(ngx_http_script_return_code_t));
|
|
50
|
584 if (ret == NULL) {
|
|
|
585 return NGX_CONF_ERROR;
|
|
|
586 }
|
|
|
587
|
|
|
588 value = cf->args->elts;
|
|
|
589
|
|
58
|
590 ret->code = ngx_http_script_return_code;
|
|
50
|
591 ret->null = (uintptr_t) NULL;
|
|
|
592
|
|
|
593 ret->status = ngx_atoi(value[1].data, value[1].len);
|
|
|
594
|
|
|
595 if (ret->status == (uintptr_t) NGX_ERROR) {
|
|
|
596 return NGX_CONF_ERROR;
|
|
|
597 }
|
|
|
598
|
|
|
599 return NGX_CONF_OK;
|
|
|
600 }
|
|
|
601
|
|
|
602
|
|
|
603 static char *
|
|
|
604 ngx_http_rewrite_if(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
605 {
|
|
|
606 ngx_http_rewrite_loc_conf_t *lcf = conf;
|
|
|
607
|
|
|
608 void *mconf;
|
|
|
609 char *rv;
|
|
|
610 u_char *elts;
|
|
|
611 ngx_uint_t i;
|
|
|
612 ngx_conf_t save;
|
|
|
613 ngx_http_module_t *module;
|
|
|
614 ngx_http_conf_ctx_t *ctx, *pctx;
|
|
|
615 ngx_http_core_loc_conf_t *clcf, *pclcf, **clcfp;
|
|
58
|
616 ngx_http_script_if_code_t *if_code;
|
|
50
|
617 ngx_http_rewrite_loc_conf_t *nlcf;
|
|
|
618
|
|
|
619 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t));
|
|
|
620 if (ctx == NULL) {
|
|
|
621 return NGX_CONF_ERROR;
|
|
|
622 }
|
|
|
623
|
|
|
624 pctx = cf->ctx;
|
|
|
625 ctx->main_conf = pctx->main_conf;
|
|
|
626 ctx->srv_conf = pctx->srv_conf;
|
|
|
627
|
|
|
628 ctx->loc_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module);
|
|
|
629 if (ctx->loc_conf == NULL) {
|
|
|
630 return NGX_CONF_ERROR;
|
|
|
631 }
|
|
|
632
|
|
|
633 for (i = 0; ngx_modules[i]; i++) {
|
|
|
634 if (ngx_modules[i]->type != NGX_HTTP_MODULE) {
|
|
|
635 continue;
|
|
|
636 }
|
|
|
637
|
|
|
638 module = ngx_modules[i]->ctx;
|
|
|
639
|
|
|
640 if (module->create_loc_conf) {
|
|
|
641
|
|
|
642 mconf = module->create_loc_conf(cf);
|
|
|
643 if (mconf == NULL) {
|
|
|
644 return NGX_CONF_ERROR;
|
|
|
645 }
|
|
|
646
|
|
|
647 ctx->loc_conf[ngx_modules[i]->ctx_index] = mconf;
|
|
|
648 }
|
|
|
649 }
|
|
|
650
|
|
|
651 pclcf = pctx->loc_conf[ngx_http_core_module.ctx_index];
|
|
|
652
|
|
|
653 clcf = ctx->loc_conf[ngx_http_core_module.ctx_index];
|
|
|
654 clcf->loc_conf = ctx->loc_conf;
|
|
|
655 clcf->name = pclcf->name;
|
|
|
656 clcf->noname = 1;
|
|
|
657
|
|
|
658 if (pclcf->locations.elts == NULL) {
|
|
|
659 if (ngx_array_init(&pclcf->locations, cf->pool, 4, sizeof(void *))
|
|
|
660 == NGX_ERROR)
|
|
|
661 {
|
|
|
662 return NGX_CONF_ERROR;
|
|
|
663 }
|
|
|
664 }
|
|
|
665
|
|
|
666 clcfp = ngx_array_push(&pclcf->locations);
|
|
|
667 if (clcfp == NULL) {
|
|
|
668 return NGX_CONF_ERROR;
|
|
|
669 }
|
|
|
670
|
|
|
671 *clcfp = clcf;
|
|
|
672
|
|
|
673
|
|
|
674 if (ngx_http_rewrite_if_condition(cf, lcf) != NGX_CONF_OK) {
|
|
|
675 return NGX_CONF_ERROR;
|
|
|
676 }
|
|
|
677
|
|
58
|
678 if_code = ngx_array_push_n(lcf->codes, sizeof(ngx_http_script_if_code_t));
|
|
50
|
679 if (if_code == NULL) {
|
|
|
680 return NULL;
|
|
|
681 }
|
|
|
682
|
|
58
|
683 if_code->code = ngx_http_script_if_code;
|
|
50
|
684
|
|
|
685 elts = lcf->codes->elts;
|
|
|
686
|
|
|
687
|
|
|
688 /* the inside directives must compile to the same code array */
|
|
|
689
|
|
|
690 nlcf = ctx->loc_conf[ngx_http_rewrite_module.ctx_index];
|
|
|
691 nlcf->codes = lcf->codes;
|
|
|
692
|
|
|
693
|
|
|
694 save = *cf;
|
|
|
695 cf->ctx = ctx;
|
|
|
696
|
|
|
697 if (pclcf->name.len == 0) {
|
|
|
698 if_code->loc_conf = NULL;
|
|
|
699 cf->cmd_type = NGX_HTTP_SIF_CONF;
|
|
|
700
|
|
|
701 } else {
|
|
|
702 if_code->loc_conf = ctx->loc_conf;
|
|
|
703 cf->cmd_type = NGX_HTTP_LIF_CONF;
|
|
|
704 }
|
|
|
705
|
|
|
706 rv = ngx_conf_parse(cf, NULL);
|
|
|
707
|
|
|
708 *cf = save;
|
|
|
709
|
|
|
710 if (rv != NGX_CONF_OK) {
|
|
|
711 return rv;
|
|
|
712 }
|
|
|
713
|
|
|
714
|
|
66
|
715 if (lcf->captures < nlcf->captures) {
|
|
|
716 lcf->captures = nlcf->captures;
|
|
|
717 }
|
|
|
718
|
|
|
719
|
|
50
|
720 if (elts != lcf->codes->elts) {
|
|
58
|
721 if_code = (ngx_http_script_if_code_t *)
|
|
50
|
722 ((u_char *) if_code + ((u_char *) lcf->codes->elts - elts));
|
|
|
723 }
|
|
|
724
|
|
|
725 if_code->next = (u_char *) lcf->codes->elts + lcf->codes->nelts
|
|
|
726 - (u_char *) if_code;
|
|
|
727
|
|
|
728 return NGX_CONF_OK;
|
|
|
729 }
|
|
|
730
|
|
|
731
|
|
|
732 static char *
|
|
|
733 ngx_http_rewrite_if_condition(ngx_conf_t *cf, ngx_http_rewrite_loc_conf_t *lcf)
|
|
|
734 {
|
|
58
|
735 ngx_str_t *value, err;
|
|
64
|
736 ngx_uint_t cur, last, n;
|
|
58
|
737 ngx_http_script_regex_code_t *regex;
|
|
|
738 u_char errstr[NGX_MAX_CONF_ERRSTR];
|
|
50
|
739
|
|
|
740 value = cf->args->elts;
|
|
|
741 last = cf->args->nelts - 1;
|
|
|
742
|
|
|
743 if (value[1].len < 1 || value[1].data[0] != '(') {
|
|
|
744 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
745 "invalid condition \"%V\"", &value[1]);
|
|
|
746 return NGX_CONF_ERROR;
|
|
|
747 }
|
|
|
748
|
|
|
749 if (value[1].len == 1) {
|
|
|
750 cur = 2;
|
|
|
751
|
|
|
752 } else {
|
|
|
753 cur = 1;
|
|
|
754 value[1].len--;
|
|
|
755 value[1].data++;
|
|
|
756 }
|
|
|
757
|
|
|
758 if (value[last].len < 1 || value[last].data[value[last].len - 1] != ')') {
|
|
|
759 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
760 "invalid condition \"%V\"", &value[last]);
|
|
|
761 return NGX_CONF_ERROR;
|
|
|
762 }
|
|
|
763
|
|
|
764 if (value[last].len == 1) {
|
|
|
765 last--;
|
|
|
766
|
|
|
767 } else {
|
|
|
768 value[last].len--;
|
|
|
769 value[last].data[value[last].len] = '\0';
|
|
|
770 }
|
|
|
771
|
|
|
772 if (value[cur].len > 1 && value[cur].data[0] == '$') {
|
|
|
773
|
|
|
774 if (cur != last && cur + 2 != last) {
|
|
|
775 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
776 "invalid condition \"%V\"", &value[cur]);
|
|
|
777 return NGX_CONF_ERROR;
|
|
|
778 }
|
|
|
779
|
|
|
780 if (ngx_http_rewrite_variable(cf, lcf, &value[cur])!= NGX_CONF_OK) {
|
|
|
781 return NGX_CONF_ERROR;
|
|
|
782 }
|
|
|
783
|
|
|
784 if (cur == last) {
|
|
|
785 return NGX_CONF_OK;
|
|
|
786 }
|
|
|
787
|
|
|
788 cur++;
|
|
|
789
|
|
|
790 if ((value[cur].len == 1 && value[cur].data[0] != '~')
|
|
|
791 || (value[cur].len == 2
|
|
|
792 && value[cur].data[0] != '~' && value[cur].data[1] != '*'))
|
|
|
793 {
|
|
|
794 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
795 "unexpected \"%V\" in condition", &value[cur]);
|
|
|
796 return NGX_CONF_ERROR;
|
|
|
797 }
|
|
|
798
|
|
58
|
799 regex = ngx_http_script_start_code(cf->pool, &lcf->codes,
|
|
|
800 sizeof(ngx_http_script_regex_code_t));
|
|
50
|
801 if (regex == NULL) {
|
|
|
802 return NGX_CONF_ERROR;
|
|
|
803 }
|
|
|
804
|
|
58
|
805 ngx_memzero(regex, sizeof(ngx_http_script_regex_code_t));
|
|
|
806
|
|
50
|
807 err.len = NGX_MAX_CONF_ERRSTR;
|
|
|
808 err.data = errstr;
|
|
|
809
|
|
|
810 regex->regex = ngx_regex_compile(&value[last],
|
|
|
811 (value[cur].len == 2) ? NGX_REGEX_CASELESS : 0,
|
|
|
812 cf->pool, &err);
|
|
|
813
|
|
|
814 if (regex->regex == NULL) {
|
|
|
815 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%s", err.data);
|
|
|
816 return NGX_CONF_ERROR;
|
|
|
817 }
|
|
|
818
|
|
58
|
819 regex->code = ngx_http_script_regex_start_code;
|
|
|
820 regex->next = sizeof(ngx_http_script_regex_code_t);
|
|
50
|
821 regex->test = 1;
|
|
|
822 regex->name = value[last];
|
|
|
823
|
|
64
|
824 n = ngx_regex_capture_count(regex->regex);
|
|
|
825
|
|
|
826 if (n) {
|
|
|
827 regex->ncaptures = (n + 1) * 3;
|
|
|
828
|
|
|
829 if (lcf->captures < regex->ncaptures) {
|
|
|
830 lcf->captures = regex->ncaptures;
|
|
|
831 }
|
|
|
832 }
|
|
|
833
|
|
50
|
834 return NGX_CONF_OK;
|
|
|
835 }
|
|
|
836
|
|
|
837 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
838 "invalid condition \"%V\"", &value[cur]);
|
|
|
839
|
|
|
840 return NGX_CONF_ERROR;
|
|
|
841 }
|
|
|
842
|
|
|
843
|
|
|
844 static char *
|
|
|
845 ngx_http_rewrite_variable(ngx_conf_t *cf, ngx_http_rewrite_loc_conf_t *lcf,
|
|
|
846 ngx_str_t *value)
|
|
|
847 {
|
|
58
|
848 ngx_int_t index;
|
|
|
849 ngx_http_script_code_pt *code;
|
|
|
850 ngx_http_script_var_code_t *var_code;
|
|
50
|
851
|
|
|
852 value->len--;
|
|
|
853 value->data++;
|
|
|
854
|
|
|
855 if (value->len == sizeof("invalid_referer") - 1
|
|
|
856 && ngx_strncmp(value->data, "invalid_referer",
|
|
|
857 sizeof("invalid_referer") - 1) == 0)
|
|
|
858 {
|
|
58
|
859 code = ngx_http_script_start_code(cf->pool, &lcf->codes,
|
|
|
860 sizeof(ngx_http_script_code_pt));
|
|
50
|
861 if (code == NULL) {
|
|
|
862 return NGX_CONF_ERROR;
|
|
|
863 }
|
|
|
864
|
|
|
865 *code = ngx_http_rewrite_invalid_referer_code;
|
|
|
866
|
|
|
867 } else {
|
|
58
|
868 index = ngx_http_get_variable_index(cf, value);
|
|
50
|
869
|
|
58
|
870 if (index == NGX_ERROR) {
|
|
50
|
871 return NGX_CONF_ERROR;
|
|
|
872 }
|
|
|
873
|
|
58
|
874 var_code = ngx_http_script_start_code(cf->pool, &lcf->codes,
|
|
|
875 sizeof(ngx_http_script_var_code_t));
|
|
50
|
876 if (var_code == NULL) {
|
|
|
877 return NGX_CONF_ERROR;
|
|
|
878 }
|
|
|
879
|
|
58
|
880 var_code->code = ngx_http_script_var_code;
|
|
|
881 var_code->index = index;
|
|
50
|
882 }
|
|
|
883
|
|
|
884 return NGX_CONF_OK;
|
|
|
885 }
|
|
|
886
|
|
|
887
|
|
|
888 static char *
|
|
|
889 ngx_http_rewrite_valid_referers(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
890 {
|
|
|
891 ngx_http_rewrite_loc_conf_t *lcf = conf;
|
|
|
892
|
|
|
893 ngx_uint_t i, server_names;
|
|
|
894 ngx_str_t *value;
|
|
|
895 ngx_http_server_name_t *sn;
|
|
|
896 ngx_http_core_srv_conf_t *cscf;
|
|
|
897 ngx_http_rewrite_referer_t *ref;
|
|
|
898
|
|
|
899 cscf = ngx_http_conf_get_module_srv_conf(cf, ngx_http_core_module);
|
|
|
900
|
|
|
901 if (lcf->referers == NULL) {
|
|
|
902 lcf->referers = ngx_array_create(cf->pool,
|
|
|
903 cf->args->nelts + cscf->server_names.nelts,
|
|
|
904 sizeof(ngx_http_rewrite_referer_t));
|
|
|
905 if (lcf->referers == NULL) {
|
|
|
906 return NGX_CONF_ERROR;
|
|
|
907 }
|
|
|
908 }
|
|
|
909
|
|
|
910 value = cf->args->elts;
|
|
|
911 server_names = 0;
|
|
|
912
|
|
|
913 for (i = 1; i < cf->args->nelts; i++) {
|
|
|
914 if (value[i].len == 0) {
|
|
|
915 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
916 "invalid referer \"%V\"", &value[i]);
|
|
|
917 return NGX_CONF_ERROR;
|
|
|
918 }
|
|
|
919
|
|
|
920 if (ngx_strcmp(value[i].data, "none") == 0) {
|
|
|
921 lcf->no_referer = 1;
|
|
|
922 continue;
|
|
|
923 }
|
|
|
924
|
|
54
|
925 if (ngx_strcmp(value[i].data, "blocked") == 0) {
|
|
|
926 lcf->blocked_referer = 1;
|
|
|
927 continue;
|
|
|
928 }
|
|
|
929
|
|
50
|
930 if (ngx_strcmp(value[i].data, "server_names") == 0) {
|
|
|
931 server_names = 1;
|
|
|
932 continue;
|
|
|
933 }
|
|
|
934
|
|
|
935 ref = ngx_array_push(lcf->referers);
|
|
|
936 if (ref == NULL) {
|
|
|
937 return NGX_CONF_ERROR;
|
|
|
938 }
|
|
|
939
|
|
|
940 if (value[i].data[0] != '*') {
|
|
|
941 ref->name = value[i];
|
|
|
942 ref->wildcard = 0;
|
|
|
943 continue;
|
|
|
944 }
|
|
|
945
|
|
|
946 if (value[i].data[1] != '.') {
|
|
|
947 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
948 "invalid wildcard referer \"%V\"", &value[i]);
|
|
|
949 return NGX_CONF_ERROR;
|
|
|
950 }
|
|
|
951
|
|
|
952 ref->name.len = value[i].len - 1;
|
|
|
953 ref->name.data = value[i].data + 1;
|
|
|
954 ref->wildcard = 1;
|
|
|
955 }
|
|
|
956
|
|
|
957 if (!server_names) {
|
|
|
958 return NGX_CONF_OK;
|
|
|
959 }
|
|
|
960
|
|
|
961 sn = cscf->server_names.elts;
|
|
|
962 for (i = 0; i < cscf->server_names.nelts; i++) {
|
|
|
963 ref = ngx_array_push(lcf->referers);
|
|
|
964 if (ref == NULL) {
|
|
|
965 return NGX_CONF_ERROR;
|
|
|
966 }
|
|
|
967
|
|
|
968 ref->name.len = sn[i].name.len + 1;
|
|
|
969 ref->name.data = ngx_palloc(cf->pool, ref->name.len);
|
|
|
970 if (ref->name.data == NULL) {
|
|
|
971 return NGX_CONF_ERROR;
|
|
|
972 }
|
|
|
973
|
|
|
974 ngx_memcpy(ref->name.data, sn[i].name.data, sn[i].name.len);
|
|
|
975 ref->name.data[sn[i].name.len] = '/';
|
|
|
976 ref->wildcard = sn[i].wildcard;
|
|
|
977 }
|
|
|
978
|
|
|
979 return NGX_CONF_OK;
|
|
|
980 }
|
|
|
981
|
|
|
982
|
|
|
983 static char *
|
|
|
984 ngx_http_rewrite_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
985 {
|
|
|
986 ngx_http_rewrite_loc_conf_t *lcf = conf;
|
|
|
987
|
|
64
|
988 ngx_int_t n, index;
|
|
|
989 ngx_str_t *value;
|
|
|
990 ngx_http_variable_t *v;
|
|
|
991 ngx_http_script_compile_t sc;
|
|
|
992 ngx_http_script_var_code_t *var;
|
|
|
993 ngx_http_script_value_code_t *val;
|
|
|
994 ngx_http_script_complex_value_code_t *complex;
|
|
50
|
995
|
|
|
996 value = cf->args->elts;
|
|
|
997
|
|
|
998 if (value[1].data[0] != '$') {
|
|
|
999 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1000 "invalid variable name \"%V\"", &value[1]);
|
|
|
1001 return NGX_CONF_ERROR;
|
|
|
1002 }
|
|
|
1003
|
|
|
1004 value[1].len--;
|
|
|
1005 value[1].data++;
|
|
|
1006
|
|
58
|
1007 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGABLE);
|
|
50
|
1008 if (v == NULL) {
|
|
|
1009 return NGX_CONF_ERROR;
|
|
|
1010 }
|
|
|
1011
|
|
58
|
1012 index = ngx_http_get_variable_index(cf, &value[1]);
|
|
|
1013 if (index == NGX_ERROR) {
|
|
|
1014 return NGX_CONF_ERROR;
|
|
|
1015 }
|
|
50
|
1016
|
|
58
|
1017 v->handler = ngx_http_rewrite_var;
|
|
|
1018 v->data = index;
|
|
|
1019
|
|
64
|
1020 n = ngx_http_script_variables_count(&value[2]);
|
|
|
1021
|
|
|
1022 if (n == 0) {
|
|
|
1023 val = ngx_http_script_start_code(cf->pool, &lcf->codes,
|
|
|
1024 sizeof(ngx_http_script_value_code_t));
|
|
|
1025 if (val == NULL) {
|
|
|
1026 return NGX_CONF_ERROR;
|
|
|
1027 }
|
|
50
|
1028
|
|
64
|
1029 n = ngx_atoi(value[2].data, value[2].len);
|
|
|
1030
|
|
|
1031 if (n == NGX_ERROR) {
|
|
|
1032 n = 0;
|
|
|
1033 }
|
|
|
1034
|
|
|
1035 val->code = ngx_http_script_value_code;
|
|
|
1036 val->value = (uintptr_t) n;
|
|
|
1037 val->text_len = (uintptr_t) value[2].len;
|
|
|
1038 val->text_data = (uintptr_t) value[2].data;
|
|
50
|
1039
|
|
64
|
1040 } else {
|
|
|
1041 complex = ngx_http_script_start_code(cf->pool, &lcf->codes,
|
|
|
1042 sizeof(ngx_http_script_complex_value_code_t));
|
|
|
1043 if (complex == NULL) {
|
|
|
1044 return NGX_CONF_ERROR;
|
|
|
1045 }
|
|
|
1046
|
|
|
1047 complex->code = ngx_http_script_complex_value_code;
|
|
|
1048 complex->lengths = NULL;
|
|
|
1049
|
|
|
1050 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
50
|
1051
|
|
64
|
1052 sc.cf = cf;
|
|
|
1053 sc.source = &value[2];
|
|
|
1054 sc.lengths = &complex->lengths;
|
|
|
1055 sc.values = &lcf->codes;
|
|
|
1056 sc.variables = n;
|
|
|
1057 sc.complete_lengths = 1;
|
|
|
1058
|
|
|
1059 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1060 return NGX_CONF_ERROR;
|
|
|
1061 }
|
|
|
1062 }
|
|
50
|
1063
|
|
58
|
1064 var = ngx_http_script_start_code(cf->pool, &lcf->codes,
|
|
|
1065 sizeof(ngx_http_script_var_code_t));
|
|
50
|
1066 if (var == NULL) {
|
|
|
1067 return NGX_CONF_ERROR;
|
|
|
1068 }
|
|
|
1069
|
|
58
|
1070 var->code = ngx_http_script_set_var_code;
|
|
|
1071 var->index = (uintptr_t) index;
|
|
50
|
1072
|
|
|
1073 return NGX_CONF_OK;
|
|
|
1074 }
|
