Mercurial > hg > nginx
annotate src/http/modules/ngx_http_rewrite_module.c @ 631:5d2b8078c1c2 release-0.3.37
nginx-0.3.37-RELEASE import
*) Feature: the "limit_except" directive.
*) Feature: the "if" directive supports the "!~", "!~*", "-f", and
"!-f" operators.
*) Feature: the ngx_http_perl_module supports the $r->request_body
method.
*) Bugfix: in the ngx_http_addition_filter_module.
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Fri, 07 Apr 2006 14:08:04 +0000 |
parents | 4d9ea73a627a |
children | 18268abd340c |
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:
437
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:
437
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:
437
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:
437
diff
changeset
|
5 |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
6 |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
7 #include <ngx_config.h> |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
8 #include <ngx_core.h> |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
9 #include <ngx_http.h> |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
10 |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
11 |
485 | 12 typedef struct { |
577 | 13 ngx_array_t *codes; /* uintptr_t */ |
485 | 14 |
577 | 15 ngx_uint_t captures; |
16 ngx_uint_t stack_size; | |
485 | 17 |
577 | 18 ngx_flag_t log; |
485 | 19 } ngx_http_rewrite_loc_conf_t; |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
20 |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
21 |
485 | 22 static void *ngx_http_rewrite_create_loc_conf(ngx_conf_t *cf); |
23 static char *ngx_http_rewrite_merge_loc_conf(ngx_conf_t *cf, | |
487 | 24 void *parent, void *child); |
509 | 25 static ngx_int_t ngx_http_rewrite_init(ngx_cycle_t *cycle); |
485 | 26 static char *ngx_http_rewrite(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
27 static char *ngx_http_rewrite_return(ngx_conf_t *cf, ngx_command_t *cmd, | |
487 | 28 void *conf); |
527 | 29 static char *ngx_http_rewrite_break(ngx_conf_t *cf, ngx_command_t *cmd, |
30 void *conf); | |
485 | 31 static char *ngx_http_rewrite_if(ngx_conf_t *cf, ngx_command_t *cmd, |
487 | 32 void *conf); |
501 | 33 static char * ngx_http_rewrite_if_condition(ngx_conf_t *cf, |
34 ngx_http_rewrite_loc_conf_t *lcf); | |
35 static char *ngx_http_rewrite_variable(ngx_conf_t *cf, | |
36 ngx_http_rewrite_loc_conf_t *lcf, ngx_str_t *value); | |
509 | 37 static char *ngx_http_rewrite_set(ngx_conf_t *cf, ngx_command_t *cmd, |
501 | 38 void *conf); |
577 | 39 static char * ngx_http_rewrite_value(ngx_conf_t *cf, |
40 ngx_http_rewrite_loc_conf_t *lcf, ngx_str_t *value); | |
437
470270fa84d2
nginx-0.0.12-2004-09-23-20:39:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
41 |
470270fa84d2
nginx-0.0.12-2004-09-23-20:39:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
42 |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
43 static ngx_command_t ngx_http_rewrite_commands[] = { |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
44 |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
45 { ngx_string("rewrite"), |
485 | 46 NGX_HTTP_SRV_CONF|NGX_HTTP_SIF_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF |
47 |NGX_CONF_TAKE23, | |
48 ngx_http_rewrite, | |
49 NGX_HTTP_LOC_CONF_OFFSET, | |
50 0, | |
51 NULL }, | |
52 | |
53 { ngx_string("return"), | |
54 NGX_HTTP_SRV_CONF|NGX_HTTP_SIF_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF | |
55 |NGX_CONF_TAKE1, | |
56 ngx_http_rewrite_return, | |
57 NGX_HTTP_LOC_CONF_OFFSET, | |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
58 0, |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
59 NULL }, |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
60 |
527 | 61 { ngx_string("break"), |
62 NGX_HTTP_SRV_CONF|NGX_HTTP_SIF_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF | |
63 |NGX_CONF_NOARGS, | |
64 ngx_http_rewrite_break, | |
65 NGX_HTTP_LOC_CONF_OFFSET, | |
66 0, | |
67 NULL }, | |
68 | |
485 | 69 { ngx_string("if"), |
70 NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_BLOCK|NGX_CONF_1MORE, | |
71 ngx_http_rewrite_if, | |
437
470270fa84d2
nginx-0.0.12-2004-09-23-20:39:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
72 NGX_HTTP_LOC_CONF_OFFSET, |
470270fa84d2
nginx-0.0.12-2004-09-23-20:39:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
73 0, |
485 | 74 NULL }, |
75 | |
577 | 76 #if 0 |
485 | 77 { ngx_string("valid_referers"), |
78 NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
79 ngx_http_rewrite_valid_referers, | |
80 NGX_HTTP_LOC_CONF_OFFSET, | |
81 0, | |
82 NULL }, | |
577 | 83 #endif |
437
470270fa84d2
nginx-0.0.12-2004-09-23-20:39:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
84 |
501 | 85 { ngx_string("set"), |
86 NGX_HTTP_SRV_CONF|NGX_HTTP_SIF_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF | |
87 |NGX_CONF_TAKE2, | |
88 ngx_http_rewrite_set, | |
89 NGX_HTTP_LOC_CONF_OFFSET, | |
90 0, | |
91 NULL }, | |
92 | |
325
7c3323909107
nginx-0.0.3-2004-04-23-20:50:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
93 { ngx_string("rewrite_log"), |
485 | 94 NGX_HTTP_SRV_CONF|NGX_HTTP_SIF_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF |
95 |NGX_CONF_TAKE1, | |
325
7c3323909107
nginx-0.0.3-2004-04-23-20:50:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
96 ngx_conf_set_flag_slot, |
485 | 97 NGX_HTTP_LOC_CONF_OFFSET, |
98 offsetof(ngx_http_rewrite_loc_conf_t, log), | |
325
7c3323909107
nginx-0.0.3-2004-04-23-20:50:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
99 NULL }, |
7c3323909107
nginx-0.0.3-2004-04-23-20:50:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
100 |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
101 ngx_null_command |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
102 }; |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
103 |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
104 |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
105 ngx_http_module_t ngx_http_rewrite_module_ctx = { |
509 | 106 NULL, /* preconfiguration */ |
107 NULL, /* postconfiguration */ | |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
108 |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
109 NULL, /* create main configuration */ |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
110 NULL, /* init main configuration */ |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
111 |
485 | 112 NULL, /* create server configuration */ |
113 NULL, /* merge server configuration */ | |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
114 |
437
470270fa84d2
nginx-0.0.12-2004-09-23-20:39:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
115 ngx_http_rewrite_create_loc_conf, /* create location configration */ |
485 | 116 ngx_http_rewrite_merge_loc_conf /* merge location configration */ |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
117 }; |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
118 |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
119 |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
120 ngx_module_t ngx_http_rewrite_module = { |
509 | 121 NGX_MODULE_V1, |
577 | 122 &ngx_http_rewrite_module_ctx, /* module context */ |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
123 ngx_http_rewrite_commands, /* module directives */ |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
124 NGX_HTTP_MODULE, /* module type */ |
541 | 125 NULL, /* init master */ |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
126 ngx_http_rewrite_init, /* init module */ |
541 | 127 NULL, /* init process */ |
128 NULL, /* init thread */ | |
129 NULL, /* exit thread */ | |
130 NULL, /* exit process */ | |
131 NULL, /* exit master */ | |
132 NGX_MODULE_V1_PADDING | |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
133 }; |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
134 |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
135 |
487 | 136 static ngx_int_t |
137 ngx_http_rewrite_handler(ngx_http_request_t *r) | |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
138 { |
509 | 139 ngx_http_script_code_pt code; |
140 ngx_http_script_engine_t *e; | |
485 | 141 ngx_http_rewrite_loc_conf_t *cf; |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
142 |
485 | 143 cf = ngx_http_get_module_loc_conf(r, ngx_http_rewrite_module); |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
144 |
485 | 145 if (cf->codes == NULL) { |
146 return NGX_DECLINED; | |
147 } | |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
148 |
509 | 149 e = ngx_pcalloc(r->pool, sizeof(ngx_http_script_engine_t)); |
501 | 150 if (e == NULL) { |
485 | 151 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
152 } | |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
153 |
509 | 154 e->sp = ngx_pcalloc(r->pool, |
155 cf->stack_size * sizeof(ngx_http_variable_value_t)); | |
485 | 156 if (e->sp == NULL) { |
157 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
158 } | |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
325
diff
changeset
|
159 |
515 | 160 if (cf->captures) { |
161 e->captures = ngx_palloc(r->pool, cf->captures * sizeof(int)); | |
485 | 162 if (e->captures == NULL) { |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
163 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
164 } |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
165 |
485 | 166 } else { |
167 e->captures = NULL; | |
168 } | |
169 | |
170 e->ip = cf->codes->elts; | |
509 | 171 e->request = r; |
485 | 172 e->quote = 1; |
509 | 173 e->log = cf->log; |
485 | 174 e->status = NGX_DECLINED; |
175 | |
176 while (*(uintptr_t *) e->ip) { | |
509 | 177 code = *(ngx_http_script_code_pt *) e->ip; |
485 | 178 code(e); |
179 } | |
180 | |
181 return e->status; | |
182 } | |
183 | |
184 | |
573 | 185 static ngx_int_t |
186 ngx_http_rewrite_var(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
187 uintptr_t data) | |
501 | 188 { |
189 ngx_http_variable_t *var; | |
190 ngx_http_core_main_conf_t *cmcf; | |
191 | |
192 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
193 | |
194 var = cmcf->variables.elts; | |
195 | |
196 /* | |
197 * the ngx_http_rewrite_module sets variables directly in r->variables, | |
519 | 198 * and they should be handled by ngx_http_get_indexed_variable(), |
501 | 199 * so the handler is called only if the variable is not initialized |
200 */ | |
201 | |
202 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
203 "using uninitialized \"%V\" variable", &var[data].name); | |
204 | |
577 | 205 *v = ngx_http_variable_null_value; |
573 | 206 |
207 return NGX_OK; | |
501 | 208 } |
209 | |
210 | |
487 | 211 static void * |
212 ngx_http_rewrite_create_loc_conf(ngx_conf_t *cf) | |
437
470270fa84d2
nginx-0.0.12-2004-09-23-20:39:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
213 { |
470270fa84d2
nginx-0.0.12-2004-09-23-20:39:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
214 ngx_http_rewrite_loc_conf_t *conf; |
470270fa84d2
nginx-0.0.12-2004-09-23-20:39:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
215 |
501 | 216 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_rewrite_loc_conf_t)); |
217 if (conf == NULL) { | |
437
470270fa84d2
nginx-0.0.12-2004-09-23-20:39:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
218 return NGX_CONF_ERROR; |
470270fa84d2
nginx-0.0.12-2004-09-23-20:39:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
219 } |
470270fa84d2
nginx-0.0.12-2004-09-23-20:39:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
220 |
485 | 221 conf->stack_size = NGX_CONF_UNSET_UINT; |
222 conf->log = NGX_CONF_UNSET; | |
223 | |
437
470270fa84d2
nginx-0.0.12-2004-09-23-20:39:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
224 return conf; |
470270fa84d2
nginx-0.0.12-2004-09-23-20:39:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
225 } |
470270fa84d2
nginx-0.0.12-2004-09-23-20:39:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
226 |
470270fa84d2
nginx-0.0.12-2004-09-23-20:39:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
227 |
487 | 228 static char * |
229 ngx_http_rewrite_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
230 { |
485 | 231 ngx_http_rewrite_loc_conf_t *prev = parent; |
232 ngx_http_rewrite_loc_conf_t *conf = child; | |
233 | |
509 | 234 uintptr_t *code; |
485 | 235 |
236 ngx_conf_merge_value(conf->log, prev->log, 0); | |
237 ngx_conf_merge_unsigned_value(conf->stack_size, prev->stack_size, 10); | |
238 | |
239 if (conf->codes == NULL) { | |
240 return NGX_CONF_OK; | |
241 } | |
242 | |
243 if (conf->codes == prev->codes) { | |
244 return NGX_CONF_OK; | |
245 } | |
246 | |
501 | 247 code = ngx_array_push_n(conf->codes, sizeof(uintptr_t)); |
248 if (code == NULL) { | |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
249 return NGX_CONF_ERROR; |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
250 } |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
251 |
485 | 252 *code = (uintptr_t) NULL; |
253 | |
254 return NGX_CONF_OK; | |
255 } | |
256 | |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
257 |
509 | 258 static ngx_int_t |
259 ngx_http_rewrite_init(ngx_cycle_t *cycle) | |
577 | 260 { |
509 | 261 ngx_http_handler_pt *h; |
262 ngx_http_core_main_conf_t *cmcf; | |
263 | |
264 cmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_core_module); | |
265 | |
573 | 266 h = ngx_array_push(&cmcf->phases[NGX_HTTP_SERVER_REWRITE_PHASE].handlers); |
267 if (h == NULL) { | |
268 return NGX_ERROR; | |
269 } | |
270 | |
271 *h = ngx_http_rewrite_handler; | |
272 | |
509 | 273 h = ngx_array_push(&cmcf->phases[NGX_HTTP_REWRITE_PHASE].handlers); |
274 if (h == NULL) { | |
275 return NGX_ERROR; | |
276 } | |
277 | |
278 *h = ngx_http_rewrite_handler; | |
279 | |
280 return NGX_OK; | |
577 | 281 } |
509 | 282 |
283 | |
487 | 284 static char * |
285 ngx_http_rewrite(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
485 | 286 { |
577 | 287 ngx_http_rewrite_loc_conf_t *lcf = conf; |
288 | |
509 | 289 ngx_str_t *value, err; |
290 ngx_int_t n; | |
291 ngx_uint_t last; | |
292 ngx_http_script_code_pt *code; | |
293 ngx_http_script_compile_t sc; | |
294 ngx_http_script_regex_code_t *regex; | |
295 ngx_http_script_regex_end_code_t *regex_end; | |
296 u_char errstr[NGX_MAX_CONF_ERRSTR]; | |
485 | 297 |
509 | 298 regex = ngx_http_script_start_code(cf->pool, &lcf->codes, |
299 sizeof(ngx_http_script_regex_code_t)); | |
485 | 300 if (regex == NULL) { |
301 return NGX_CONF_ERROR; | |
302 } | |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
303 |
509 | 304 ngx_memzero(regex, sizeof(ngx_http_script_regex_code_t)); |
305 | |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
306 value = cf->args->elts; |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
307 |
485 | 308 err.len = NGX_MAX_CONF_ERRSTR; |
309 err.data = errstr; | |
310 | |
311 /* TODO: NGX_REGEX_CASELESS */ | |
312 | |
313 regex->regex = ngx_regex_compile(&value[1], 0, cf->pool, &err); | |
314 | |
315 if (regex->regex == NULL) { | |
316 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%s", err.data); | |
317 return NGX_CONF_ERROR; | |
318 } | |
319 | |
509 | 320 regex->code = ngx_http_script_regex_start_code; |
485 | 321 regex->uri = 1; |
322 regex->name = value[1]; | |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
323 |
509 | 324 if (value[2].data[value[2].len - 1] == '?') { |
325 | |
326 /* the last "?" drops the original arguments */ | |
327 value[2].len--; | |
328 | |
329 } else { | |
330 regex->add_args = 1; | |
331 } | |
332 | |
485 | 333 last = 0; |
334 | |
335 if (ngx_strncmp(value[2].data, "http://", sizeof("http://") - 1) == 0) { | |
336 regex->status = NGX_HTTP_MOVED_TEMPORARILY; | |
337 regex->redirect = 1; | |
338 last = 1; | |
339 } | |
340 | |
341 if (cf->args->nelts == 4) { | |
342 if (ngx_strcmp(value[3].data, "last") == 0) { | |
343 last = 1; | |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
344 |
487 | 345 } else if (ngx_strcmp(value[3].data, "break") == 0) { |
346 regex->break_cycle = 1; | |
347 last = 1; | |
348 | |
485 | 349 } else if (ngx_strcmp(value[3].data, "redirect") == 0) { |
350 regex->status = NGX_HTTP_MOVED_TEMPORARILY; | |
351 regex->redirect = 1; | |
352 last = 1; | |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
325
diff
changeset
|
353 |
485 | 354 } else if (ngx_strcmp(value[3].data, "permanent") == 0) { |
355 regex->status = NGX_HTTP_MOVED_PERMANENTLY; | |
356 regex->redirect = 1; | |
357 last = 1; | |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
325
diff
changeset
|
358 |
485 | 359 } else { |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
325
diff
changeset
|
360 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
461 | 361 "invalid parameter \"%V\"", &value[3]); |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
325
diff
changeset
|
362 return NGX_CONF_ERROR; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
325
diff
changeset
|
363 } |
485 | 364 } |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
325
diff
changeset
|
365 |
509 | 366 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); |
485 | 367 |
509 | 368 sc.cf = cf; |
369 sc.source = &value[2]; | |
370 sc.lengths = ®ex->lengths; | |
371 sc.values = &lcf->codes; | |
372 sc.variables = ngx_http_script_variables_count(&value[2]); | |
373 sc.main = regex; | |
374 sc.complete_lengths = 1; | |
375 sc.compile_args = !regex->redirect; | |
485 | 376 |
509 | 377 if (ngx_http_script_compile(&sc) != NGX_OK) { |
378 return NGX_CONF_ERROR; | |
379 } | |
485 | 380 |
509 | 381 regex = sc.main; |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
382 |
509 | 383 regex->ncaptures = sc.ncaptures; |
384 regex->size = sc.size; | |
385 regex->args = sc.args; | |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
386 |
509 | 387 if (sc.variables == 0) { |
388 regex->lengths = NULL; | |
485 | 389 } |
390 | |
391 n = ngx_regex_capture_count(regex->regex); | |
392 | |
501 | 393 if (n < 0) { |
394 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
395 ngx_regex_capture_count_n " failed for " | |
396 "pattern \"%V\"", &value[1]); | |
397 return NGX_CONF_ERROR; | |
398 } | |
399 | |
400 if (regex->ncaptures > (ngx_uint_t) n) { | |
485 | 401 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
402 "pattern \"%V\" has less captures " | |
403 "than referrenced in substitution \"%V\"", | |
404 &value[1], &value[2]); | |
405 return NGX_CONF_ERROR; | |
406 } | |
407 | |
501 | 408 if (regex->ncaptures < (ngx_uint_t) n) { |
409 regex->ncaptures = (ngx_uint_t) n; | |
485 | 410 } |
481 | 411 |
485 | 412 if (regex->ncaptures) { |
413 regex->ncaptures = (regex->ncaptures + 1) * 3; | |
414 | |
515 | 415 if (lcf->captures < regex->ncaptures) { |
416 lcf->captures = regex->ncaptures; | |
417 } | |
509 | 418 } |
419 | |
420 regex_end = ngx_http_script_add_code(lcf->codes, | |
421 sizeof(ngx_http_script_regex_end_code_t), | |
422 ®ex); | |
485 | 423 if (regex_end == NULL) { |
424 return NGX_CONF_ERROR; | |
425 } | |
426 | |
509 | 427 regex_end->code = ngx_http_script_regex_end_code; |
485 | 428 regex_end->uri = regex->uri; |
429 regex_end->args = regex->args; | |
509 | 430 regex_end->add_args = regex->add_args; |
485 | 431 regex_end->redirect = regex->redirect; |
432 | |
433 if (last) { | |
517 | 434 code = ngx_http_script_add_code(lcf->codes, sizeof(uintptr_t), ®ex); |
485 | 435 if (code == NULL) { |
436 return NGX_CONF_ERROR; | |
218
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
437 } |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
438 |
485 | 439 *code = (uintptr_t) NULL; |
440 } | |
441 | |
442 regex->next = (u_char *) lcf->codes->elts + lcf->codes->nelts | |
443 - (u_char *) regex; | |
444 | |
445 return NGX_CONF_OK; | |
446 } | |
447 | |
448 | |
487 | 449 static char * |
450 ngx_http_rewrite_return(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
485 | 451 { |
577 | 452 ngx_http_rewrite_loc_conf_t *lcf = conf; |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
453 |
509 | 454 ngx_str_t *value; |
455 ngx_http_script_return_code_t *ret; | |
485 | 456 |
509 | 457 ret = ngx_http_script_start_code(cf->pool, &lcf->codes, |
458 sizeof(ngx_http_script_return_code_t)); | |
485 | 459 if (ret == NULL) { |
460 return NGX_CONF_ERROR; | |
461 } | |
462 | |
463 value = cf->args->elts; | |
464 | |
509 | 465 ret->code = ngx_http_script_return_code; |
485 | 466 ret->null = (uintptr_t) NULL; |
467 | |
468 ret->status = ngx_atoi(value[1].data, value[1].len); | |
469 | |
470 if (ret->status == (uintptr_t) NGX_ERROR) { | |
471 return NGX_CONF_ERROR; | |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
472 } |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
473 |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
474 return NGX_CONF_OK; |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
475 } |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
476 |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
477 |
487 | 478 static char * |
527 | 479 ngx_http_rewrite_break(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
480 { | |
481 ngx_http_rewrite_loc_conf_t *lcf = conf; | |
482 | |
483 ngx_http_script_code_pt *code; | |
484 | |
485 code = ngx_http_script_start_code(cf->pool, &lcf->codes, sizeof(uintptr_t)); | |
486 if (code == NULL) { | |
487 return NGX_CONF_ERROR; | |
488 } | |
489 | |
490 *code = ngx_http_script_break_code; | |
491 | |
492 return NGX_CONF_OK; | |
493 } | |
494 | |
495 | |
496 static char * | |
487 | 497 ngx_http_rewrite_if(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
437
470270fa84d2
nginx-0.0.12-2004-09-23-20:39:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
498 { |
577 | 499 ngx_http_rewrite_loc_conf_t *lcf = conf; |
485 | 500 |
501 void *mconf; | |
502 char *rv; | |
503 u_char *elts; | |
504 ngx_uint_t i; | |
505 ngx_conf_t save; | |
506 ngx_http_module_t *module; | |
507 ngx_http_conf_ctx_t *ctx, *pctx; | |
508 ngx_http_core_loc_conf_t *clcf, *pclcf, **clcfp; | |
509 | 509 ngx_http_script_if_code_t *if_code; |
485 | 510 ngx_http_rewrite_loc_conf_t *nlcf; |
511 | |
501 | 512 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)); |
513 if (ctx == NULL) { | |
485 | 514 return NGX_CONF_ERROR; |
515 } | |
516 | |
517 pctx = cf->ctx; | |
518 ctx->main_conf = pctx->main_conf; | |
577 | 519 ctx->srv_conf = pctx->srv_conf; |
485 | 520 |
521 ctx->loc_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
522 if (ctx->loc_conf == NULL) { | |
523 return NGX_CONF_ERROR; | |
524 } | |
525 | |
526 for (i = 0; ngx_modules[i]; i++) { | |
527 if (ngx_modules[i]->type != NGX_HTTP_MODULE) { | |
528 continue; | |
529 } | |
530 | |
531 module = ngx_modules[i]->ctx; | |
577 | 532 |
485 | 533 if (module->create_loc_conf) { |
534 | |
501 | 535 mconf = module->create_loc_conf(cf); |
536 if (mconf == NULL) { | |
485 | 537 return NGX_CONF_ERROR; |
538 } | |
539 | |
540 ctx->loc_conf[ngx_modules[i]->ctx_index] = mconf; | |
541 } | |
542 } | |
543 | |
544 pclcf = pctx->loc_conf[ngx_http_core_module.ctx_index]; | |
545 | |
546 clcf = ctx->loc_conf[ngx_http_core_module.ctx_index]; | |
547 clcf->loc_conf = ctx->loc_conf; | |
548 clcf->name = pclcf->name; | |
549 clcf->noname = 1; | |
550 | |
551 if (pclcf->locations.elts == NULL) { | |
552 if (ngx_array_init(&pclcf->locations, cf->pool, 4, sizeof(void *)) | |
555 | 553 == NGX_ERROR) |
485 | 554 { |
555 return NGX_CONF_ERROR; | |
556 } | |
557 } | |
558 | |
501 | 559 clcfp = ngx_array_push(&pclcf->locations); |
560 if (clcfp == NULL) { | |
485 | 561 return NGX_CONF_ERROR; |
562 } | |
563 | |
564 *clcfp = clcf; | |
565 | |
566 | |
501 | 567 if (ngx_http_rewrite_if_condition(cf, lcf) != NGX_CONF_OK) { |
485 | 568 return NGX_CONF_ERROR; |
569 } | |
570 | |
509 | 571 if_code = ngx_array_push_n(lcf->codes, sizeof(ngx_http_script_if_code_t)); |
485 | 572 if (if_code == NULL) { |
573 return NULL; | |
574 } | |
575 | |
509 | 576 if_code->code = ngx_http_script_if_code; |
485 | 577 |
578 elts = lcf->codes->elts; | |
579 | |
580 | |
631 | 581 /* the inner directives must be compiled to the same code array */ |
485 | 582 |
583 nlcf = ctx->loc_conf[ngx_http_rewrite_module.ctx_index]; | |
584 nlcf->codes = lcf->codes; | |
585 | |
586 | |
587 save = *cf; | |
588 cf->ctx = ctx; | |
589 | |
590 if (pclcf->name.len == 0) { | |
591 if_code->loc_conf = NULL; | |
592 cf->cmd_type = NGX_HTTP_SIF_CONF; | |
593 | |
594 } else { | |
595 if_code->loc_conf = ctx->loc_conf; | |
596 cf->cmd_type = NGX_HTTP_LIF_CONF; | |
597 } | |
598 | |
599 rv = ngx_conf_parse(cf, NULL); | |
600 | |
601 *cf = save; | |
602 | |
603 if (rv != NGX_CONF_OK) { | |
604 return rv; | |
605 } | |
606 | |
607 | |
517 | 608 if (lcf->captures < nlcf->captures) { |
609 lcf->captures = nlcf->captures; | |
610 } | |
611 | |
612 | |
485 | 613 if (elts != lcf->codes->elts) { |
509 | 614 if_code = (ngx_http_script_if_code_t *) |
485 | 615 ((u_char *) if_code + ((u_char *) lcf->codes->elts - elts)); |
616 } | |
617 | |
618 if_code->next = (u_char *) lcf->codes->elts + lcf->codes->nelts | |
619 - (u_char *) if_code; | |
437
470270fa84d2
nginx-0.0.12-2004-09-23-20:39:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
620 |
555 | 621 /* the code array belong to parent block */ |
622 | |
623 nlcf->codes = NULL; | |
624 | |
437
470270fa84d2
nginx-0.0.12-2004-09-23-20:39:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
625 return NGX_CONF_OK; |
470270fa84d2
nginx-0.0.12-2004-09-23-20:39:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
626 } |
470270fa84d2
nginx-0.0.12-2004-09-23-20:39:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
627 |
470270fa84d2
nginx-0.0.12-2004-09-23-20:39:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
628 |
487 | 629 static char * |
501 | 630 ngx_http_rewrite_if_condition(ngx_conf_t *cf, ngx_http_rewrite_loc_conf_t *lcf) |
631 { | |
631 | 632 u_char *p; |
633 size_t len; | |
509 | 634 ngx_str_t *value, err; |
515 | 635 ngx_uint_t cur, last, n; |
577 | 636 ngx_http_script_code_pt *code; |
631 | 637 ngx_http_script_file_code_t *fop; |
509 | 638 ngx_http_script_regex_code_t *regex; |
639 u_char errstr[NGX_MAX_CONF_ERRSTR]; | |
501 | 640 |
641 value = cf->args->elts; | |
642 last = cf->args->nelts - 1; | |
643 | |
644 if (value[1].len < 1 || value[1].data[0] != '(') { | |
645 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
646 "invalid condition \"%V\"", &value[1]); | |
647 return NGX_CONF_ERROR; | |
648 } | |
649 | |
650 if (value[1].len == 1) { | |
651 cur = 2; | |
652 | |
653 } else { | |
654 cur = 1; | |
655 value[1].len--; | |
656 value[1].data++; | |
657 } | |
658 | |
659 if (value[last].len < 1 || value[last].data[value[last].len - 1] != ')') { | |
660 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
661 "invalid condition \"%V\"", &value[last]); | |
662 return NGX_CONF_ERROR; | |
663 } | |
664 | |
665 if (value[last].len == 1) { | |
666 last--; | |
667 | |
668 } else { | |
669 value[last].len--; | |
670 value[last].data[value[last].len] = '\0'; | |
671 } | |
672 | |
631 | 673 len = value[cur].len; |
674 p = value[cur].data; | |
675 | |
676 if (len > 1 && p[0] == '$') { | |
501 | 677 |
678 if (cur != last && cur + 2 != last) { | |
679 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
631 | 680 "invalid condition \"%V\"", &value[cur]); |
501 | 681 return NGX_CONF_ERROR; |
682 } | |
683 | |
577 | 684 if (ngx_http_rewrite_variable(cf, lcf, &value[cur]) != NGX_CONF_OK) { |
501 | 685 return NGX_CONF_ERROR; |
686 } | |
687 | |
688 if (cur == last) { | |
689 return NGX_CONF_OK; | |
690 } | |
691 | |
692 cur++; | |
693 | |
631 | 694 len = value[cur].len; |
695 p = value[cur].data; | |
696 | |
697 if (len == 1 && p[0] == '=') { | |
577 | 698 |
699 if (ngx_http_rewrite_value(cf, lcf, &value[last]) != NGX_CONF_OK) { | |
700 return NGX_CONF_ERROR; | |
701 } | |
702 | |
703 code = ngx_http_script_start_code(cf->pool, &lcf->codes, | |
704 sizeof(uintptr_t)); | |
705 if (code == NULL) { | |
706 return NGX_CONF_ERROR; | |
707 } | |
708 | |
709 *code = ngx_http_script_equal_code; | |
710 | |
711 return NGX_CONF_OK; | |
501 | 712 } |
713 | |
631 | 714 if (len == 2 && p[0] == '!' && p[1] == '=') { |
715 | |
577 | 716 if (ngx_http_rewrite_value(cf, lcf, &value[last]) != NGX_CONF_OK) { |
717 return NGX_CONF_ERROR; | |
718 } | |
719 | |
720 code = ngx_http_script_start_code(cf->pool, &lcf->codes, | |
721 sizeof(uintptr_t)); | |
722 if (code == NULL) { | |
723 return NGX_CONF_ERROR; | |
724 } | |
725 | |
726 *code = ngx_http_script_not_equal_code; | |
727 return NGX_CONF_OK; | |
501 | 728 } |
729 | |
631 | 730 if ((len == 1 && p[0] == '~') |
731 || (len == 2 && p[0] == '~' && p[1] == '*') | |
732 || (len == 2 && p[0] == '!' && p[1] == '~') | |
733 || (len == 3 && p[0] == '!' && p[1] == '~' && p[2] == '*')) | |
577 | 734 { |
735 regex = ngx_http_script_start_code(cf->pool, &lcf->codes, | |
736 sizeof(ngx_http_script_regex_code_t)); | |
737 if (regex == NULL) { | |
738 return NGX_CONF_ERROR; | |
739 } | |
509 | 740 |
577 | 741 ngx_memzero(regex, sizeof(ngx_http_script_regex_code_t)); |
742 | |
743 err.len = NGX_MAX_CONF_ERRSTR; | |
744 err.data = errstr; | |
745 | |
746 regex->regex = ngx_regex_compile(&value[last], | |
631 | 747 (p[len - 1] == '*') ? NGX_REGEX_CASELESS : 0, |
748 cf->pool, &err); | |
501 | 749 |
577 | 750 if (regex->regex == NULL) { |
751 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%s", err.data); | |
752 return NGX_CONF_ERROR; | |
753 } | |
754 | |
755 regex->code = ngx_http_script_regex_start_code; | |
756 regex->next = sizeof(ngx_http_script_regex_code_t); | |
757 regex->test = 1; | |
631 | 758 if (p[0] == '!') { |
759 regex->negative_test = 1; | |
760 } | |
577 | 761 regex->name = value[last]; |
501 | 762 |
577 | 763 n = ngx_regex_capture_count(regex->regex); |
764 | |
765 if (n) { | |
766 regex->ncaptures = (n + 1) * 3; | |
767 | |
768 if (lcf->captures < regex->ncaptures) { | |
769 lcf->captures = regex->ncaptures; | |
770 } | |
771 } | |
772 | |
773 return NGX_CONF_OK; | |
501 | 774 } |
775 | |
577 | 776 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
777 "unexpected \"%V\" in condition", &value[cur]); | |
778 return NGX_CONF_ERROR; | |
631 | 779 |
780 } else if ((len == 2 && p[0] == '-') | |
781 || (len == 3 && p[0] == '!' && p[1] == '-')) | |
782 { | |
783 if (cur + 1 != last) { | |
784 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
785 "invalid condition \"%V\"", &value[cur]); | |
786 return NGX_CONF_ERROR; | |
787 } | |
788 | |
789 value[last].data[value[last].len] = '\0'; | |
790 value[last].len++; | |
791 | |
792 if (ngx_http_rewrite_value(cf, lcf, &value[last]) != NGX_CONF_OK) { | |
793 return NGX_CONF_ERROR; | |
794 } | |
795 | |
796 fop = ngx_http_script_start_code(cf->pool, &lcf->codes, | |
797 sizeof(ngx_http_script_file_code_t)); | |
798 if (fop == NULL) { | |
799 return NGX_CONF_ERROR; | |
800 } | |
801 | |
802 fop->code = ngx_http_script_file_code; | |
803 | |
804 if (p[1] == 'f') { | |
805 fop->op = ngx_http_script_file_plain; | |
806 return NGX_CONF_OK; | |
807 } | |
808 | |
809 if (p[0] == '!') { | |
810 if (p[2] == 'f') { | |
811 fop->op = ngx_http_script_file_not_plain; | |
812 return NGX_CONF_OK; | |
813 } | |
814 } | |
815 | |
816 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
817 "invalid condition \"%V\"", &value[cur]); | |
818 return NGX_CONF_ERROR; | |
501 | 819 } |
820 | |
821 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
822 "invalid condition \"%V\"", &value[cur]); | |
823 | |
824 return NGX_CONF_ERROR; | |
825 } | |
826 | |
827 | |
828 static char * | |
829 ngx_http_rewrite_variable(ngx_conf_t *cf, ngx_http_rewrite_loc_conf_t *lcf, | |
830 ngx_str_t *value) | |
831 { | |
509 | 832 ngx_int_t index; |
833 ngx_http_script_var_code_t *var_code; | |
501 | 834 |
835 value->len--; | |
836 value->data++; | |
837 | |
577 | 838 index = ngx_http_get_variable_index(cf, value); |
501 | 839 |
577 | 840 if (index == NGX_ERROR) { |
841 return NGX_CONF_ERROR; | |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
842 } |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
843 |
577 | 844 var_code = ngx_http_script_start_code(cf->pool, &lcf->codes, |
845 sizeof(ngx_http_script_var_code_t)); | |
846 if (var_code == NULL) { | |
847 return NGX_CONF_ERROR; | |
485 | 848 } |
849 | |
577 | 850 var_code->code = ngx_http_script_var_code; |
851 var_code->index = index; | |
485 | 852 |
853 return NGX_CONF_OK; | |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
854 } |
485 | 855 |
856 | |
501 | 857 static char * |
858 ngx_http_rewrite_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
859 { | |
577 | 860 ngx_http_rewrite_loc_conf_t *lcf = conf; |
501 | 861 |
577 | 862 ngx_int_t index; |
863 ngx_str_t *value; | |
864 ngx_http_variable_t *v; | |
865 ngx_http_script_var_code_t *var; | |
501 | 866 |
867 value = cf->args->elts; | |
868 | |
869 if (value[1].data[0] != '$') { | |
870 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
871 "invalid variable name \"%V\"", &value[1]); | |
872 return NGX_CONF_ERROR; | |
873 } | |
874 | |
875 value[1].len--; | |
876 value[1].data++; | |
877 | |
509 | 878 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGABLE); |
501 | 879 if (v == NULL) { |
880 return NGX_CONF_ERROR; | |
881 } | |
882 | |
509 | 883 index = ngx_http_get_variable_index(cf, &value[1]); |
884 if (index == NGX_ERROR) { | |
885 return NGX_CONF_ERROR; | |
886 } | |
501 | 887 |
555 | 888 if (v->handler == NULL) { |
889 v->handler = ngx_http_rewrite_var; | |
890 v->data = index; | |
891 } | |
509 | 892 |
577 | 893 if (ngx_http_rewrite_value(cf, lcf, &value[2]) != NGX_CONF_OK) { |
894 return NGX_CONF_ERROR; | |
515 | 895 } |
501 | 896 |
509 | 897 var = ngx_http_script_start_code(cf->pool, &lcf->codes, |
898 sizeof(ngx_http_script_var_code_t)); | |
501 | 899 if (var == NULL) { |
900 return NGX_CONF_ERROR; | |
901 } | |
902 | |
509 | 903 var->code = ngx_http_script_set_var_code; |
904 var->index = (uintptr_t) index; | |
501 | 905 |
906 return NGX_CONF_OK; | |
907 } | |
577 | 908 |
909 | |
910 static char * | |
911 ngx_http_rewrite_value(ngx_conf_t *cf, ngx_http_rewrite_loc_conf_t *lcf, | |
912 ngx_str_t *value) | |
913 { | |
914 ngx_int_t n; | |
915 ngx_http_script_compile_t sc; | |
916 ngx_http_script_value_code_t *val; | |
917 ngx_http_script_complex_value_code_t *complex; | |
918 | |
919 n = ngx_http_script_variables_count(value); | |
920 | |
921 if (n == 0) { | |
922 val = ngx_http_script_start_code(cf->pool, &lcf->codes, | |
923 sizeof(ngx_http_script_value_code_t)); | |
924 if (val == NULL) { | |
925 return NGX_CONF_ERROR; | |
926 } | |
927 | |
928 n = ngx_atoi(value->data, value->len); | |
929 | |
930 if (n == NGX_ERROR) { | |
931 n = 0; | |
932 } | |
933 | |
934 val->code = ngx_http_script_value_code; | |
935 val->value = (uintptr_t) n; | |
936 val->text_len = (uintptr_t) value->len; | |
937 val->text_data = (uintptr_t) value->data; | |
938 | |
939 return NGX_CONF_OK; | |
940 } | |
941 | |
942 complex = ngx_http_script_start_code(cf->pool, &lcf->codes, | |
943 sizeof(ngx_http_script_complex_value_code_t)); | |
944 if (complex == NULL) { | |
945 return NGX_CONF_ERROR; | |
946 } | |
947 | |
948 complex->code = ngx_http_script_complex_value_code; | |
949 complex->lengths = NULL; | |
950 | |
951 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
952 | |
953 sc.cf = cf; | |
954 sc.source = value; | |
955 sc.lengths = &complex->lengths; | |
956 sc.values = &lcf->codes; | |
957 sc.variables = n; | |
958 sc.complete_lengths = 1; | |
959 | |
960 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
961 return NGX_CONF_ERROR; | |
962 } | |
963 | |
964 return NGX_CONF_OK; | |
965 } |