Mercurial > hg > nginx
annotate src/http/modules/ngx_http_rewrite_module.c @ 527:7fa11e5c6e96 release-0.1.38
nginx-0.1.38-RELEASE import
*) Feature: the "limit_rate" directive is supported in in proxy and
FastCGI mode.
*) Feature: the "X-Accel-Limit-Rate" response header line is supported
in proxy and FastCGI mode.
*) Feature: the "break" directive.
*) Feature: the "log_not_found" directive.
*) Bugfix: the response status code was not changed when request was
redirected by the ""X-Accel-Redirect" header line.
*) Bugfix: the variables set by the "set" directive could not be used
in SSI.
*) Bugfix: the segmentation fault may occurred if the SSI page has more
than one remote subrequest.
*) Bugfix: nginx treated the backend response as invalid if the status
line in the header was transferred in two packets; the bug had
appeared in 0.1.29.
*) Feature: the "ssi_types" directive.
*) Feature: the "autoindex_exact_size" directive.
*) Bugfix: the ngx_http_autoindex_module did not support the long file
names in UTF-8.
*) Feature: the IMAP/POP3 proxy.
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Fri, 08 Jul 2005 14:34:20 +0000 |
| parents | 12234c998d83 |
| children | b09ee85d0ac8 |
| rev | line source |
|---|---|
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_http.h> |
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11 |
| 485 | 12 typedef struct { |
| 509 | 13 ngx_str_t name; |
| 14 ngx_uint_t wildcard; | |
| 485 | 15 } ngx_http_rewrite_referer_t; |
| 16 | |
| 17 | |
| 18 typedef struct { | |
| 509 | 19 ngx_array_t *codes; /* uintptr_t */ |
| 20 ngx_array_t *referers; /* ngx_http_rewrite_referer_t */ | |
| 485 | 21 |
| 515 | 22 ngx_uint_t captures; |
| 509 | 23 ngx_uint_t stack_size; |
| 485 | 24 |
| 509 | 25 ngx_flag_t log; |
| 485 | 26 |
| 509 | 27 ngx_flag_t no_referer; |
| 28 ngx_flag_t blocked_referer; | |
| 485 | 29 } ngx_http_rewrite_loc_conf_t; |
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31 |
| 485 | 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, | |
| 487 | 34 void *parent, void *child); |
| 509 | 35 static ngx_int_t ngx_http_rewrite_init(ngx_cycle_t *cycle); |
| 485 | 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, | |
| 487 | 38 void *conf); |
| 527 | 39 static char *ngx_http_rewrite_break(ngx_conf_t *cf, ngx_command_t *cmd, |
| 40 void *conf); | |
| 485 | 41 static char *ngx_http_rewrite_if(ngx_conf_t *cf, ngx_command_t *cmd, |
| 487 | 42 void *conf); |
| 501 | 43 static char * ngx_http_rewrite_if_condition(ngx_conf_t *cf, |
| 44 ngx_http_rewrite_loc_conf_t *lcf); | |
| 45 static char *ngx_http_rewrite_variable(ngx_conf_t *cf, | |
| 46 ngx_http_rewrite_loc_conf_t *lcf, ngx_str_t *value); | |
| 487 | 47 static char *ngx_http_rewrite_valid_referers(ngx_conf_t *cf, |
| 48 ngx_command_t *cmd, void *conf); | |
| 509 | 49 static char *ngx_http_rewrite_set(ngx_conf_t *cf, ngx_command_t *cmd, |
| 501 | 50 void *conf); |
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53 static ngx_command_t ngx_http_rewrite_commands[] = { |
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54 |
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55 { ngx_string("rewrite"), |
| 485 | 56 NGX_HTTP_SRV_CONF|NGX_HTTP_SIF_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF |
| 57 |NGX_CONF_TAKE23, | |
| 58 ngx_http_rewrite, | |
| 59 NGX_HTTP_LOC_CONF_OFFSET, | |
| 60 0, | |
| 61 NULL }, | |
| 62 | |
| 63 { ngx_string("return"), | |
| 64 NGX_HTTP_SRV_CONF|NGX_HTTP_SIF_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF | |
| 65 |NGX_CONF_TAKE1, | |
| 66 ngx_http_rewrite_return, | |
| 67 NGX_HTTP_LOC_CONF_OFFSET, | |
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68 0, |
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69 NULL }, |
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70 |
| 527 | 71 { ngx_string("break"), |
| 72 NGX_HTTP_SRV_CONF|NGX_HTTP_SIF_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF | |
| 73 |NGX_CONF_NOARGS, | |
| 74 ngx_http_rewrite_break, | |
| 75 NGX_HTTP_LOC_CONF_OFFSET, | |
| 76 0, | |
| 77 NULL }, | |
| 78 | |
| 485 | 79 { ngx_string("if"), |
| 80 NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_BLOCK|NGX_CONF_1MORE, | |
| 81 ngx_http_rewrite_if, | |
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82 NGX_HTTP_LOC_CONF_OFFSET, |
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83 0, |
| 485 | 84 NULL }, |
| 85 | |
| 86 { ngx_string("valid_referers"), | |
| 87 NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
| 88 ngx_http_rewrite_valid_referers, | |
| 89 NGX_HTTP_LOC_CONF_OFFSET, | |
| 90 0, | |
| 91 NULL }, | |
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92 |
| 501 | 93 { ngx_string("set"), |
| 94 NGX_HTTP_SRV_CONF|NGX_HTTP_SIF_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF | |
| 95 |NGX_CONF_TAKE2, | |
| 96 ngx_http_rewrite_set, | |
| 97 NGX_HTTP_LOC_CONF_OFFSET, | |
| 98 0, | |
| 99 NULL }, | |
| 100 | |
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101 { ngx_string("rewrite_log"), |
| 485 | 102 NGX_HTTP_SRV_CONF|NGX_HTTP_SIF_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF |
| 103 |NGX_CONF_TAKE1, | |
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104 ngx_conf_set_flag_slot, |
| 485 | 105 NGX_HTTP_LOC_CONF_OFFSET, |
| 106 offsetof(ngx_http_rewrite_loc_conf_t, log), | |
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107 NULL }, |
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108 |
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109 ngx_null_command |
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110 }; |
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111 |
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112 |
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113 ngx_http_module_t ngx_http_rewrite_module_ctx = { |
| 509 | 114 NULL, /* preconfiguration */ |
| 115 NULL, /* postconfiguration */ | |
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116 |
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117 NULL, /* create main configuration */ |
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118 NULL, /* init main configuration */ |
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119 |
| 485 | 120 NULL, /* create server configuration */ |
| 121 NULL, /* merge server configuration */ | |
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122 |
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123 ngx_http_rewrite_create_loc_conf, /* create location configration */ |
| 485 | 124 ngx_http_rewrite_merge_loc_conf /* merge location configration */ |
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125 }; |
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126 |
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127 |
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128 ngx_module_t ngx_http_rewrite_module = { |
| 509 | 129 NGX_MODULE_V1, |
| 485 | 130 &ngx_http_rewrite_module_ctx, /* module context */ |
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131 ngx_http_rewrite_commands, /* module directives */ |
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132 NGX_HTTP_MODULE, /* module type */ |
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133 ngx_http_rewrite_init, /* init module */ |
| 485 | 134 NULL /* init process */ |
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135 }; |
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136 |
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137 |
| 501 | 138 static ngx_http_variable_value_t ngx_http_rewrite_null_value = |
| 509 | 139 { 0, ngx_string("") }; |
| 501 | 140 |
| 485 | 141 |
| 487 | 142 static ngx_int_t |
| 143 ngx_http_rewrite_handler(ngx_http_request_t *r) | |
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144 { |
| 509 | 145 ngx_http_script_code_pt code; |
| 146 ngx_http_script_engine_t *e; | |
| 485 | 147 ngx_http_rewrite_loc_conf_t *cf; |
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148 |
| 485 | 149 cf = ngx_http_get_module_loc_conf(r, ngx_http_rewrite_module); |
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150 |
| 485 | 151 if (cf->codes == NULL) { |
| 152 return NGX_DECLINED; | |
| 153 } | |
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154 |
| 509 | 155 e = ngx_pcalloc(r->pool, sizeof(ngx_http_script_engine_t)); |
| 501 | 156 if (e == NULL) { |
| 485 | 157 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| 158 } | |
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159 |
| 509 | 160 e->sp = ngx_pcalloc(r->pool, |
| 161 cf->stack_size * sizeof(ngx_http_variable_value_t)); | |
| 485 | 162 if (e->sp == NULL) { |
| 163 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 164 } | |
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165 |
| 515 | 166 if (cf->captures) { |
| 167 e->captures = ngx_palloc(r->pool, cf->captures * sizeof(int)); | |
| 485 | 168 if (e->captures == NULL) { |
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169 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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170 } |
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171 |
| 485 | 172 } else { |
| 173 e->captures = NULL; | |
| 174 } | |
| 175 | |
| 176 e->ip = cf->codes->elts; | |
| 509 | 177 e->request = r; |
| 485 | 178 e->quote = 1; |
| 509 | 179 e->log = cf->log; |
| 485 | 180 e->status = NGX_DECLINED; |
| 181 | |
| 182 while (*(uintptr_t *) e->ip) { | |
| 509 | 183 code = *(ngx_http_script_code_pt *) e->ip; |
| 485 | 184 code(e); |
| 185 } | |
| 186 | |
| 187 return e->status; | |
| 188 } | |
| 189 | |
| 190 | |
| 487 | 191 static void |
| 509 | 192 ngx_http_rewrite_invalid_referer_code(ngx_http_script_engine_t *e) |
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193 { |
| 485 | 194 u_char *ref; |
| 195 size_t len; | |
| 196 ngx_uint_t i, n; | |
| 197 ngx_http_request_t *r; | |
| 198 ngx_http_rewrite_referer_t *refs; | |
| 199 ngx_http_rewrite_loc_conf_t *cf; | |
| 200 | |
| 201 r = e->request; | |
| 202 | |
| 203 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 204 "http rewrite invalid referer"); | |
| 205 | |
| 206 cf = ngx_http_get_module_loc_conf(r, ngx_http_rewrite_module); | |
| 207 | |
| 208 e->ip += sizeof(uintptr_t); | |
| 209 | |
| 210 if (cf->referers == NULL) { | |
| 501 | 211 e->sp->value = 0; |
| 212 e->sp->text.len = 0; | |
| 213 e->sp->text.data = (u_char *) ""; | |
| 214 e->sp++; | |
| 215 | |
| 485 | 216 return; |
| 217 } | |
| 218 | |
| 219 if (r->headers_in.referer == NULL) { | |
| 220 if (cf->no_referer) { | |
| 501 | 221 e->sp->value = 0; |
| 222 e->sp->text.len = 0; | |
| 223 e->sp->text.data = (u_char *) ""; | |
| 224 e->sp++; | |
| 225 | |
| 485 | 226 return; |
| 505 | 227 |
| 485 | 228 } else { |
| 501 | 229 e->sp->value = 1; |
| 230 e->sp->text.len = 1; | |
| 231 e->sp->text.data = (u_char *) "1"; | |
| 232 e->sp++; | |
| 233 | |
| 485 | 234 return; |
| 235 } | |
| 236 } | |
| 237 | |
| 238 len = r->headers_in.referer->value.len; | |
| 239 ref = r->headers_in.referer->value.data; | |
| 240 | |
| 241 if (len < sizeof("http://i.ru") - 1 | |
| 242 || (ngx_strncasecmp(ref, "http://", 7) != 0)) | |
| 243 { | |
| 505 | 244 if (cf->blocked_referer) { |
| 245 e->sp->value = 0; | |
| 246 e->sp->text.len = 0; | |
| 247 e->sp->text.data = (u_char *) "0"; | |
| 248 e->sp++; | |
| 249 | |
| 250 return; | |
| 501 | 251 |
| 505 | 252 } else { |
| 253 e->sp->value = 1; | |
| 254 e->sp->text.len = 1; | |
| 255 e->sp->text.data = (u_char *) "1"; | |
| 256 e->sp++; | |
| 257 | |
| 258 return; | |
| 259 } | |
| 485 | 260 } |
| 261 | |
| 262 len -= 7; | |
| 263 ref += 7; | |
| 264 | |
| 265 refs = cf->referers->elts; | |
| 266 for (i = 0; i < cf->referers->nelts; i++ ){ | |
| 267 | |
| 268 if (refs[i].name.len > len) { | |
| 269 continue; | |
| 270 } | |
|
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271 |
| 485 | 272 if (refs[i].wildcard) { |
| 273 for (n = 0; n < len; n++) { | |
| 274 if (ref[n] == '/' || ref[n] == ':') { | |
| 275 break; | |
| 276 } | |
| 277 | |
| 278 if (ref[n] != '.') { | |
| 279 continue; | |
| 280 } | |
| 281 | |
| 282 if (ngx_strncmp(&ref[n], refs[i].name.data, | |
| 283 refs[i].name.len) == 0) | |
| 284 { | |
| 501 | 285 e->sp->value = 0; |
| 286 e->sp->text.len = 0; | |
| 287 e->sp->text.data = (u_char *) ""; | |
| 288 e->sp++; | |
| 289 | |
| 485 | 290 return; |
| 291 } | |
| 292 } | |
| 293 | |
| 294 } else { | |
| 295 if (ngx_strncasecmp(refs[i].name.data, ref, refs[i].name.len) == 0) | |
| 296 { | |
| 501 | 297 e->sp->value = 0; |
| 298 e->sp->text.len = 0; | |
| 299 e->sp->text.data = (u_char *) ""; | |
| 300 e->sp++; | |
| 301 | |
| 485 | 302 return; |
| 303 } | |
| 304 } | |
| 305 } | |
|
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306 |
| 501 | 307 e->sp->value = 1; |
| 308 e->sp->text.len = 1; | |
| 309 e->sp->text.data = (u_char *) "1"; | |
| 310 e->sp++; | |
| 485 | 311 } |
| 312 | |
| 313 | |
| 501 | 314 static ngx_http_variable_value_t * |
| 315 ngx_http_rewrite_var(ngx_http_request_t *r, uintptr_t data) | |
| 316 { | |
| 317 ngx_http_variable_t *var; | |
| 318 ngx_http_core_main_conf_t *cmcf; | |
| 319 | |
| 320 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 321 | |
| 322 var = cmcf->variables.elts; | |
| 323 | |
| 324 /* | |
| 325 * the ngx_http_rewrite_module sets variables directly in r->variables, | |
| 519 | 326 * and they should be handled by ngx_http_get_indexed_variable(), |
| 501 | 327 * so the handler is called only if the variable is not initialized |
| 328 */ | |
| 329 | |
| 330 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
| 331 "using uninitialized \"%V\" variable", &var[data].name); | |
| 332 | |
| 333 return &ngx_http_rewrite_null_value; | |
| 334 } | |
| 335 | |
| 336 | |
| 487 | 337 static void * |
| 338 ngx_http_rewrite_create_loc_conf(ngx_conf_t *cf) | |
|
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339 { |
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340 ngx_http_rewrite_loc_conf_t *conf; |
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341 |
| 501 | 342 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_rewrite_loc_conf_t)); |
| 343 if (conf == NULL) { | |
|
437
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344 return NGX_CONF_ERROR; |
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345 } |
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346 |
| 485 | 347 conf->stack_size = NGX_CONF_UNSET_UINT; |
| 348 conf->log = NGX_CONF_UNSET; | |
| 349 conf->no_referer = NGX_CONF_UNSET; | |
| 505 | 350 conf->blocked_referer = NGX_CONF_UNSET; |
| 485 | 351 |
|
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352 return conf; |
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353 } |
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354 |
|
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355 |
| 487 | 356 static char * |
| 357 ngx_http_rewrite_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
|
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358 { |
| 485 | 359 ngx_http_rewrite_loc_conf_t *prev = parent; |
| 360 ngx_http_rewrite_loc_conf_t *conf = child; | |
| 361 | |
| 509 | 362 uintptr_t *code; |
| 485 | 363 |
| 364 ngx_conf_merge_value(conf->log, prev->log, 0); | |
| 365 ngx_conf_merge_unsigned_value(conf->stack_size, prev->stack_size, 10); | |
| 366 | |
| 367 if (conf->referers == NULL) { | |
| 368 conf->referers = prev->referers; | |
| 369 ngx_conf_merge_value(conf->no_referer, prev->no_referer, 0); | |
| 505 | 370 ngx_conf_merge_value(conf->blocked_referer, prev->blocked_referer, 0); |
| 485 | 371 } |
| 372 | |
| 499 | 373 if (conf->no_referer == NGX_CONF_UNSET) { |
| 374 conf->no_referer = 0; | |
| 375 } | |
| 376 | |
| 505 | 377 if (conf->blocked_referer == NGX_CONF_UNSET) { |
| 378 conf->blocked_referer = 0; | |
| 379 } | |
| 380 | |
| 485 | 381 if (conf->codes == NULL) { |
| 382 return NGX_CONF_OK; | |
| 383 } | |
| 384 | |
| 385 if (conf->codes == prev->codes) { | |
| 386 return NGX_CONF_OK; | |
| 387 } | |
| 388 | |
| 501 | 389 code = ngx_array_push_n(conf->codes, sizeof(uintptr_t)); |
| 390 if (code == NULL) { | |
|
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391 return NGX_CONF_ERROR; |
|
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392 } |
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393 |
| 485 | 394 *code = (uintptr_t) NULL; |
| 395 | |
| 396 return NGX_CONF_OK; | |
| 397 } | |
| 398 | |
|
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399 |
| 509 | 400 static ngx_int_t |
| 401 ngx_http_rewrite_init(ngx_cycle_t *cycle) | |
| 402 { | |
| 403 ngx_http_handler_pt *h; | |
| 404 ngx_http_core_main_conf_t *cmcf; | |
| 405 | |
| 406 cmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_core_module); | |
| 407 | |
| 408 h = ngx_array_push(&cmcf->phases[NGX_HTTP_REWRITE_PHASE].handlers); | |
| 409 if (h == NULL) { | |
| 410 return NGX_ERROR; | |
| 411 } | |
| 412 | |
| 413 *h = ngx_http_rewrite_handler; | |
| 414 | |
| 415 return NGX_OK; | |
| 416 } | |
| 417 | |
| 418 | |
| 487 | 419 static char * |
| 420 ngx_http_rewrite(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 485 | 421 { |
| 422 ngx_http_rewrite_loc_conf_t *lcf = conf; | |
| 423 | |
| 509 | 424 ngx_str_t *value, err; |
| 425 ngx_int_t n; | |
| 426 ngx_uint_t last; | |
| 427 ngx_http_script_code_pt *code; | |
| 428 ngx_http_script_compile_t sc; | |
| 429 ngx_http_script_regex_code_t *regex; | |
| 430 ngx_http_script_regex_end_code_t *regex_end; | |
| 431 u_char errstr[NGX_MAX_CONF_ERRSTR]; | |
| 485 | 432 |
| 509 | 433 regex = ngx_http_script_start_code(cf->pool, &lcf->codes, |
| 434 sizeof(ngx_http_script_regex_code_t)); | |
| 485 | 435 if (regex == NULL) { |
| 436 return NGX_CONF_ERROR; | |
| 437 } | |
|
216
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438 |
| 509 | 439 ngx_memzero(regex, sizeof(ngx_http_script_regex_code_t)); |
| 440 | |
|
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441 value = cf->args->elts; |
|
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442 |
| 485 | 443 err.len = NGX_MAX_CONF_ERRSTR; |
| 444 err.data = errstr; | |
| 445 | |
| 446 /* TODO: NGX_REGEX_CASELESS */ | |
| 447 | |
| 448 regex->regex = ngx_regex_compile(&value[1], 0, cf->pool, &err); | |
| 449 | |
| 450 if (regex->regex == NULL) { | |
| 451 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%s", err.data); | |
| 452 return NGX_CONF_ERROR; | |
| 453 } | |
| 454 | |
| 509 | 455 regex->code = ngx_http_script_regex_start_code; |
| 485 | 456 regex->uri = 1; |
| 457 regex->name = value[1]; | |
|
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458 |
| 509 | 459 if (value[2].data[value[2].len - 1] == '?') { |
| 460 | |
| 461 /* the last "?" drops the original arguments */ | |
| 462 value[2].len--; | |
| 463 | |
| 464 } else { | |
| 465 regex->add_args = 1; | |
| 466 } | |
| 467 | |
| 485 | 468 last = 0; |
| 469 | |
| 470 if (ngx_strncmp(value[2].data, "http://", sizeof("http://") - 1) == 0) { | |
| 471 regex->status = NGX_HTTP_MOVED_TEMPORARILY; | |
| 472 regex->redirect = 1; | |
| 473 last = 1; | |
| 474 } | |
| 475 | |
| 476 if (cf->args->nelts == 4) { | |
| 477 if (ngx_strcmp(value[3].data, "last") == 0) { | |
| 478 last = 1; | |
|
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479 |
| 487 | 480 } else if (ngx_strcmp(value[3].data, "break") == 0) { |
| 481 regex->break_cycle = 1; | |
| 482 last = 1; | |
| 483 | |
| 485 | 484 } else if (ngx_strcmp(value[3].data, "redirect") == 0) { |
| 485 regex->status = NGX_HTTP_MOVED_TEMPORARILY; | |
| 486 regex->redirect = 1; | |
| 487 last = 1; | |
|
326
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488 |
| 485 | 489 } else if (ngx_strcmp(value[3].data, "permanent") == 0) { |
| 490 regex->status = NGX_HTTP_MOVED_PERMANENTLY; | |
| 491 regex->redirect = 1; | |
| 492 last = 1; | |
|
326
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493 |
| 485 | 494 } else { |
|
326
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495 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 461 | 496 "invalid parameter \"%V\"", &value[3]); |
|
326
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497 return NGX_CONF_ERROR; |
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498 } |
| 485 | 499 } |
|
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500 |
| 509 | 501 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); |
| 485 | 502 |
| 509 | 503 sc.cf = cf; |
| 504 sc.source = &value[2]; | |
| 505 sc.lengths = ®ex->lengths; | |
| 506 sc.values = &lcf->codes; | |
| 507 sc.variables = ngx_http_script_variables_count(&value[2]); | |
| 508 sc.main = regex; | |
| 509 sc.complete_lengths = 1; | |
| 510 sc.compile_args = !regex->redirect; | |
| 485 | 511 |
| 509 | 512 if (ngx_http_script_compile(&sc) != NGX_OK) { |
| 513 return NGX_CONF_ERROR; | |
| 514 } | |
| 485 | 515 |
| 509 | 516 regex = sc.main; |
|
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517 |
| 509 | 518 regex->ncaptures = sc.ncaptures; |
| 519 regex->size = sc.size; | |
| 520 regex->args = sc.args; | |
|
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|
521 |
| 509 | 522 if (sc.variables == 0) { |
| 523 regex->lengths = NULL; | |
| 485 | 524 } |
| 525 | |
| 526 n = ngx_regex_capture_count(regex->regex); | |
| 527 | |
| 501 | 528 if (n < 0) { |
| 529 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 530 ngx_regex_capture_count_n " failed for " | |
| 531 "pattern \"%V\"", &value[1]); | |
| 532 return NGX_CONF_ERROR; | |
| 533 } | |
| 534 | |
| 535 if (regex->ncaptures > (ngx_uint_t) n) { | |
| 485 | 536 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 537 "pattern \"%V\" has less captures " | |
| 538 "than referrenced in substitution \"%V\"", | |
| 539 &value[1], &value[2]); | |
| 540 return NGX_CONF_ERROR; | |
| 541 } | |
| 542 | |
| 501 | 543 if (regex->ncaptures < (ngx_uint_t) n) { |
| 544 regex->ncaptures = (ngx_uint_t) n; | |
| 485 | 545 } |
| 481 | 546 |
| 485 | 547 if (regex->ncaptures) { |
| 548 regex->ncaptures = (regex->ncaptures + 1) * 3; | |
| 549 | |
| 515 | 550 if (lcf->captures < regex->ncaptures) { |
| 551 lcf->captures = regex->ncaptures; | |
| 552 } | |
| 509 | 553 } |
| 554 | |
| 555 regex_end = ngx_http_script_add_code(lcf->codes, | |
| 556 sizeof(ngx_http_script_regex_end_code_t), | |
| 557 ®ex); | |
| 485 | 558 if (regex_end == NULL) { |
| 559 return NGX_CONF_ERROR; | |
| 560 } | |
| 561 | |
| 509 | 562 regex_end->code = ngx_http_script_regex_end_code; |
| 485 | 563 regex_end->uri = regex->uri; |
| 564 regex_end->args = regex->args; | |
| 509 | 565 regex_end->add_args = regex->add_args; |
| 485 | 566 regex_end->redirect = regex->redirect; |
| 567 | |
| 568 if (last) { | |
| 517 | 569 code = ngx_http_script_add_code(lcf->codes, sizeof(uintptr_t), ®ex); |
| 485 | 570 if (code == NULL) { |
| 571 return NGX_CONF_ERROR; | |
|
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572 } |
|
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573 |
| 485 | 574 *code = (uintptr_t) NULL; |
| 575 } | |
| 576 | |
| 577 regex->next = (u_char *) lcf->codes->elts + lcf->codes->nelts | |
| 578 - (u_char *) regex; | |
| 579 | |
| 580 return NGX_CONF_OK; | |
| 581 } | |
| 582 | |
| 583 | |
| 487 | 584 static char * |
| 585 ngx_http_rewrite_return(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 485 | 586 { |
| 587 ngx_http_rewrite_loc_conf_t *lcf = conf; | |
|
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588 |
| 509 | 589 ngx_str_t *value; |
| 590 ngx_http_script_return_code_t *ret; | |
| 485 | 591 |
| 509 | 592 ret = ngx_http_script_start_code(cf->pool, &lcf->codes, |
| 593 sizeof(ngx_http_script_return_code_t)); | |
| 485 | 594 if (ret == NULL) { |
| 595 return NGX_CONF_ERROR; | |
| 596 } | |
| 597 | |
| 598 value = cf->args->elts; | |
| 599 | |
| 509 | 600 ret->code = ngx_http_script_return_code; |
| 485 | 601 ret->null = (uintptr_t) NULL; |
| 602 | |
| 603 ret->status = ngx_atoi(value[1].data, value[1].len); | |
| 604 | |
| 605 if (ret->status == (uintptr_t) NGX_ERROR) { | |
| 606 return NGX_CONF_ERROR; | |
|
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607 } |
|
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|
608 |
|
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609 return NGX_CONF_OK; |
|
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|
610 } |
|
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|
611 |
|
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|
612 |
| 487 | 613 static char * |
| 527 | 614 ngx_http_rewrite_break(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| 615 { | |
| 616 ngx_http_rewrite_loc_conf_t *lcf = conf; | |
| 617 | |
| 618 ngx_http_script_code_pt *code; | |
| 619 | |
| 620 code = ngx_http_script_start_code(cf->pool, &lcf->codes, sizeof(uintptr_t)); | |
| 621 if (code == NULL) { | |
| 622 return NGX_CONF_ERROR; | |
| 623 } | |
| 624 | |
| 625 *code = ngx_http_script_break_code; | |
| 626 | |
| 627 return NGX_CONF_OK; | |
| 628 } | |
| 629 | |
| 630 | |
| 631 static char * | |
| 487 | 632 ngx_http_rewrite_if(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
|
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633 { |
| 485 | 634 ngx_http_rewrite_loc_conf_t *lcf = conf; |
| 635 | |
| 636 void *mconf; | |
| 637 char *rv; | |
| 638 u_char *elts; | |
| 639 ngx_uint_t i; | |
| 640 ngx_conf_t save; | |
| 641 ngx_http_module_t *module; | |
| 642 ngx_http_conf_ctx_t *ctx, *pctx; | |
| 643 ngx_http_core_loc_conf_t *clcf, *pclcf, **clcfp; | |
| 509 | 644 ngx_http_script_if_code_t *if_code; |
| 485 | 645 ngx_http_rewrite_loc_conf_t *nlcf; |
| 646 | |
| 501 | 647 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)); |
| 648 if (ctx == NULL) { | |
| 485 | 649 return NGX_CONF_ERROR; |
| 650 } | |
| 651 | |
| 652 pctx = cf->ctx; | |
| 653 ctx->main_conf = pctx->main_conf; | |
| 654 ctx->srv_conf = pctx->srv_conf; | |
| 655 | |
| 656 ctx->loc_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
| 657 if (ctx->loc_conf == NULL) { | |
| 658 return NGX_CONF_ERROR; | |
| 659 } | |
| 660 | |
| 661 for (i = 0; ngx_modules[i]; i++) { | |
| 662 if (ngx_modules[i]->type != NGX_HTTP_MODULE) { | |
| 663 continue; | |
| 664 } | |
| 665 | |
| 666 module = ngx_modules[i]->ctx; | |
| 667 | |
| 668 if (module->create_loc_conf) { | |
| 669 | |
| 501 | 670 mconf = module->create_loc_conf(cf); |
| 671 if (mconf == NULL) { | |
| 485 | 672 return NGX_CONF_ERROR; |
| 673 } | |
| 674 | |
| 675 ctx->loc_conf[ngx_modules[i]->ctx_index] = mconf; | |
| 676 } | |
| 677 } | |
| 678 | |
| 679 pclcf = pctx->loc_conf[ngx_http_core_module.ctx_index]; | |
| 680 | |
| 681 clcf = ctx->loc_conf[ngx_http_core_module.ctx_index]; | |
| 682 clcf->loc_conf = ctx->loc_conf; | |
| 683 clcf->name = pclcf->name; | |
| 684 clcf->noname = 1; | |
| 685 | |
| 686 if (pclcf->locations.elts == NULL) { | |
| 687 if (ngx_array_init(&pclcf->locations, cf->pool, 4, sizeof(void *)) | |
| 688 == NGX_ERROR) | |
| 689 { | |
| 690 return NGX_CONF_ERROR; | |
| 691 } | |
| 692 } | |
| 693 | |
| 501 | 694 clcfp = ngx_array_push(&pclcf->locations); |
| 695 if (clcfp == NULL) { | |
| 485 | 696 return NGX_CONF_ERROR; |
| 697 } | |
| 698 | |
| 699 *clcfp = clcf; | |
| 700 | |
| 701 | |
| 501 | 702 if (ngx_http_rewrite_if_condition(cf, lcf) != NGX_CONF_OK) { |
| 485 | 703 return NGX_CONF_ERROR; |
| 704 } | |
| 705 | |
| 509 | 706 if_code = ngx_array_push_n(lcf->codes, sizeof(ngx_http_script_if_code_t)); |
| 485 | 707 if (if_code == NULL) { |
| 708 return NULL; | |
| 709 } | |
| 710 | |
| 509 | 711 if_code->code = ngx_http_script_if_code; |
| 485 | 712 |
| 713 elts = lcf->codes->elts; | |
| 714 | |
| 715 | |
| 716 /* the inside directives must compile to the same code array */ | |
| 717 | |
| 718 nlcf = ctx->loc_conf[ngx_http_rewrite_module.ctx_index]; | |
| 719 nlcf->codes = lcf->codes; | |
| 720 | |
| 721 | |
| 722 save = *cf; | |
| 723 cf->ctx = ctx; | |
| 724 | |
| 725 if (pclcf->name.len == 0) { | |
| 726 if_code->loc_conf = NULL; | |
| 727 cf->cmd_type = NGX_HTTP_SIF_CONF; | |
| 728 | |
| 729 } else { | |
| 730 if_code->loc_conf = ctx->loc_conf; | |
| 731 cf->cmd_type = NGX_HTTP_LIF_CONF; | |
| 732 } | |
| 733 | |
| 734 rv = ngx_conf_parse(cf, NULL); | |
| 735 | |
| 736 *cf = save; | |
| 737 | |
| 738 if (rv != NGX_CONF_OK) { | |
| 739 return rv; | |
| 740 } | |
| 741 | |
| 742 | |
| 517 | 743 if (lcf->captures < nlcf->captures) { |
| 744 lcf->captures = nlcf->captures; | |
| 745 } | |
| 746 | |
| 747 | |
| 485 | 748 if (elts != lcf->codes->elts) { |
| 509 | 749 if_code = (ngx_http_script_if_code_t *) |
| 485 | 750 ((u_char *) if_code + ((u_char *) lcf->codes->elts - elts)); |
| 751 } | |
| 752 | |
| 753 if_code->next = (u_char *) lcf->codes->elts + lcf->codes->nelts | |
| 754 - (u_char *) if_code; | |
|
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755 |
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756 return NGX_CONF_OK; |
|
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757 } |
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396
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|
758 |
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|
759 |
| 487 | 760 static char * |
| 501 | 761 ngx_http_rewrite_if_condition(ngx_conf_t *cf, ngx_http_rewrite_loc_conf_t *lcf) |
| 762 { | |
| 509 | 763 ngx_str_t *value, err; |
| 515 | 764 ngx_uint_t cur, last, n; |
| 509 | 765 ngx_http_script_regex_code_t *regex; |
| 766 u_char errstr[NGX_MAX_CONF_ERRSTR]; | |
| 501 | 767 |
| 768 value = cf->args->elts; | |
| 769 last = cf->args->nelts - 1; | |
| 770 | |
| 771 if (value[1].len < 1 || value[1].data[0] != '(') { | |
| 772 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 773 "invalid condition \"%V\"", &value[1]); | |
| 774 return NGX_CONF_ERROR; | |
| 775 } | |
| 776 | |
| 777 if (value[1].len == 1) { | |
| 778 cur = 2; | |
| 779 | |
| 780 } else { | |
| 781 cur = 1; | |
| 782 value[1].len--; | |
| 783 value[1].data++; | |
| 784 } | |
| 785 | |
| 786 if (value[last].len < 1 || value[last].data[value[last].len - 1] != ')') { | |
| 787 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 788 "invalid condition \"%V\"", &value[last]); | |
| 789 return NGX_CONF_ERROR; | |
| 790 } | |
| 791 | |
| 792 if (value[last].len == 1) { | |
| 793 last--; | |
| 794 | |
| 795 } else { | |
| 796 value[last].len--; | |
| 797 value[last].data[value[last].len] = '\0'; | |
| 798 } | |
| 799 | |
| 800 if (value[cur].len > 1 && value[cur].data[0] == '$') { | |
| 801 | |
| 802 if (cur != last && cur + 2 != last) { | |
| 803 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 804 "invalid condition \"%V\"", &value[cur]); | |
| 805 return NGX_CONF_ERROR; | |
| 806 } | |
| 807 | |
| 808 if (ngx_http_rewrite_variable(cf, lcf, &value[cur])!= NGX_CONF_OK) { | |
| 809 return NGX_CONF_ERROR; | |
| 810 } | |
| 811 | |
| 812 if (cur == last) { | |
| 813 return NGX_CONF_OK; | |
| 814 } | |
| 815 | |
| 816 cur++; | |
| 817 | |
| 818 if ((value[cur].len == 1 && value[cur].data[0] != '~') | |
| 819 || (value[cur].len == 2 | |
| 820 && value[cur].data[0] != '~' && value[cur].data[1] != '*')) | |
| 821 { | |
| 822 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 823 "unexpected \"%V\" in condition", &value[cur]); | |
| 824 return NGX_CONF_ERROR; | |
| 825 } | |
| 826 | |
| 509 | 827 regex = ngx_http_script_start_code(cf->pool, &lcf->codes, |
| 828 sizeof(ngx_http_script_regex_code_t)); | |
| 501 | 829 if (regex == NULL) { |
| 830 return NGX_CONF_ERROR; | |
| 831 } | |
| 832 | |
| 509 | 833 ngx_memzero(regex, sizeof(ngx_http_script_regex_code_t)); |
| 834 | |
| 501 | 835 err.len = NGX_MAX_CONF_ERRSTR; |
| 836 err.data = errstr; | |
| 837 | |
| 838 regex->regex = ngx_regex_compile(&value[last], | |
| 839 (value[cur].len == 2) ? NGX_REGEX_CASELESS : 0, | |
| 840 cf->pool, &err); | |
| 841 | |
| 842 if (regex->regex == NULL) { | |
| 843 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%s", err.data); | |
| 844 return NGX_CONF_ERROR; | |
| 845 } | |
| 846 | |
| 509 | 847 regex->code = ngx_http_script_regex_start_code; |
| 848 regex->next = sizeof(ngx_http_script_regex_code_t); | |
| 501 | 849 regex->test = 1; |
| 850 regex->name = value[last]; | |
| 851 | |
| 515 | 852 n = ngx_regex_capture_count(regex->regex); |
| 853 | |
| 854 if (n) { | |
| 855 regex->ncaptures = (n + 1) * 3; | |
| 856 | |
| 857 if (lcf->captures < regex->ncaptures) { | |
| 858 lcf->captures = regex->ncaptures; | |
| 859 } | |
| 860 } | |
| 861 | |
| 501 | 862 return NGX_CONF_OK; |
| 863 } | |
| 864 | |
| 865 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 866 "invalid condition \"%V\"", &value[cur]); | |
| 867 | |
| 868 return NGX_CONF_ERROR; | |
| 869 } | |
| 870 | |
| 871 | |
| 872 static char * | |
| 873 ngx_http_rewrite_variable(ngx_conf_t *cf, ngx_http_rewrite_loc_conf_t *lcf, | |
| 874 ngx_str_t *value) | |
| 875 { | |
| 509 | 876 ngx_int_t index; |
| 877 ngx_http_script_code_pt *code; | |
| 878 ngx_http_script_var_code_t *var_code; | |
| 501 | 879 |
| 880 value->len--; | |
| 881 value->data++; | |
| 882 | |
| 883 if (value->len == sizeof("invalid_referer") - 1 | |
| 884 && ngx_strncmp(value->data, "invalid_referer", | |
| 885 sizeof("invalid_referer") - 1) == 0) | |
| 886 { | |
| 509 | 887 code = ngx_http_script_start_code(cf->pool, &lcf->codes, |
| 888 sizeof(ngx_http_script_code_pt)); | |
| 501 | 889 if (code == NULL) { |
| 890 return NGX_CONF_ERROR; | |
| 891 } | |
| 892 | |
| 893 *code = ngx_http_rewrite_invalid_referer_code; | |
| 894 | |
| 895 } else { | |
| 509 | 896 index = ngx_http_get_variable_index(cf, value); |
| 501 | 897 |
| 509 | 898 if (index == NGX_ERROR) { |
| 501 | 899 return NGX_CONF_ERROR; |
| 900 } | |
| 901 | |
| 509 | 902 var_code = ngx_http_script_start_code(cf->pool, &lcf->codes, |
| 903 sizeof(ngx_http_script_var_code_t)); | |
| 501 | 904 if (var_code == NULL) { |
| 905 return NGX_CONF_ERROR; | |
| 906 } | |
| 907 | |
| 509 | 908 var_code->code = ngx_http_script_var_code; |
| 909 var_code->index = index; | |
| 501 | 910 } |
| 911 | |
| 912 return NGX_CONF_OK; | |
| 913 } | |
| 914 | |
| 915 | |
| 916 static char * | |
| 487 | 917 ngx_http_rewrite_valid_referers(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
|
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parents:
diff
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|
918 { |
| 485 | 919 ngx_http_rewrite_loc_conf_t *lcf = conf; |
|
216
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|
920 |
| 485 | 921 ngx_uint_t i, server_names; |
| 922 ngx_str_t *value; | |
| 923 ngx_http_server_name_t *sn; | |
| 924 ngx_http_core_srv_conf_t *cscf; | |
| 925 ngx_http_rewrite_referer_t *ref; | |
| 926 | |
| 927 cscf = ngx_http_conf_get_module_srv_conf(cf, ngx_http_core_module); | |
|
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diff
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|
928 |
| 485 | 929 if (lcf->referers == NULL) { |
| 930 lcf->referers = ngx_array_create(cf->pool, | |
| 931 cf->args->nelts + cscf->server_names.nelts, | |
| 932 sizeof(ngx_http_rewrite_referer_t)); | |
| 933 if (lcf->referers == NULL) { | |
| 934 return NGX_CONF_ERROR; | |
| 935 } | |
|
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parents:
diff
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|
936 } |
|
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
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parents:
diff
changeset
|
937 |
| 485 | 938 value = cf->args->elts; |
| 939 server_names = 0; | |
| 940 | |
| 941 for (i = 1; i < cf->args->nelts; i++) { | |
| 942 if (value[i].len == 0) { | |
| 943 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 944 "invalid referer \"%V\"", &value[i]); | |
| 945 return NGX_CONF_ERROR; | |
| 946 } | |
| 947 | |
| 948 if (ngx_strcmp(value[i].data, "none") == 0) { | |
| 949 lcf->no_referer = 1; | |
| 950 continue; | |
| 951 } | |
| 952 | |
| 505 | 953 if (ngx_strcmp(value[i].data, "blocked") == 0) { |
| 954 lcf->blocked_referer = 1; | |
| 955 continue; | |
| 956 } | |
| 957 | |
| 485 | 958 if (ngx_strcmp(value[i].data, "server_names") == 0) { |
| 959 server_names = 1; | |
| 960 continue; | |
| 961 } | |
| 962 | |
| 501 | 963 ref = ngx_array_push(lcf->referers); |
| 964 if (ref == NULL) { | |
| 485 | 965 return NGX_CONF_ERROR; |
| 966 } | |
| 967 | |
| 968 if (value[i].data[0] != '*') { | |
| 969 ref->name = value[i]; | |
| 970 ref->wildcard = 0; | |
| 971 continue; | |
| 972 } | |
| 973 | |
| 974 if (value[i].data[1] != '.') { | |
| 975 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 976 "invalid wildcard referer \"%V\"", &value[i]); | |
| 977 return NGX_CONF_ERROR; | |
| 978 } | |
| 979 | |
| 980 ref->name.len = value[i].len - 1; | |
| 981 ref->name.data = value[i].data + 1; | |
| 982 ref->wildcard = 1; | |
| 983 } | |
| 984 | |
| 985 if (!server_names) { | |
| 986 return NGX_CONF_OK; | |
| 987 } | |
|
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parents:
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|
988 |
| 485 | 989 sn = cscf->server_names.elts; |
| 990 for (i = 0; i < cscf->server_names.nelts; i++) { | |
| 501 | 991 ref = ngx_array_push(lcf->referers); |
| 992 if (ref == NULL) { | |
| 485 | 993 return NGX_CONF_ERROR; |
| 994 } | |
| 995 | |
| 996 ref->name.len = sn[i].name.len + 1; | |
| 501 | 997 ref->name.data = ngx_palloc(cf->pool, ref->name.len); |
| 998 if (ref->name.data == NULL) { | |
| 485 | 999 return NGX_CONF_ERROR; |
| 1000 } | |
| 1001 | |
| 1002 ngx_memcpy(ref->name.data, sn[i].name.data, sn[i].name.len); | |
| 1003 ref->name.data[sn[i].name.len] = '/'; | |
| 1004 ref->wildcard = sn[i].wildcard; | |
| 1005 } | |
| 1006 | |
| 1007 return NGX_CONF_OK; | |
|
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|
1008 } |
| 485 | 1009 |
| 1010 | |
| 501 | 1011 static char * |
| 1012 ngx_http_rewrite_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 1013 { | |
| 1014 ngx_http_rewrite_loc_conf_t *lcf = conf; | |
| 1015 | |
| 515 | 1016 ngx_int_t n, index; |
| 1017 ngx_str_t *value; | |
| 1018 ngx_http_variable_t *v; | |
| 1019 ngx_http_script_compile_t sc; | |
| 1020 ngx_http_script_var_code_t *var; | |
| 1021 ngx_http_script_value_code_t *val; | |
| 1022 ngx_http_script_complex_value_code_t *complex; | |
| 501 | 1023 |
| 1024 value = cf->args->elts; | |
| 1025 | |
| 1026 if (value[1].data[0] != '$') { | |
| 1027 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1028 "invalid variable name \"%V\"", &value[1]); | |
| 1029 return NGX_CONF_ERROR; | |
| 1030 } | |
| 1031 | |
| 1032 value[1].len--; | |
| 1033 value[1].data++; | |
| 1034 | |
| 509 | 1035 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGABLE); |
| 501 | 1036 if (v == NULL) { |
| 1037 return NGX_CONF_ERROR; | |
| 1038 } | |
| 1039 | |
| 509 | 1040 index = ngx_http_get_variable_index(cf, &value[1]); |
| 1041 if (index == NGX_ERROR) { | |
| 1042 return NGX_CONF_ERROR; | |
| 1043 } | |
| 501 | 1044 |
| 509 | 1045 v->handler = ngx_http_rewrite_var; |
| 1046 v->data = index; | |
| 1047 | |
| 515 | 1048 n = ngx_http_script_variables_count(&value[2]); |
| 1049 | |
| 1050 if (n == 0) { | |
| 1051 val = ngx_http_script_start_code(cf->pool, &lcf->codes, | |
| 1052 sizeof(ngx_http_script_value_code_t)); | |
| 1053 if (val == NULL) { | |
| 1054 return NGX_CONF_ERROR; | |
| 1055 } | |
| 501 | 1056 |
| 515 | 1057 n = ngx_atoi(value[2].data, value[2].len); |
| 1058 | |
| 1059 if (n == NGX_ERROR) { | |
| 1060 n = 0; | |
| 1061 } | |
| 1062 | |
| 1063 val->code = ngx_http_script_value_code; | |
| 1064 val->value = (uintptr_t) n; | |
| 1065 val->text_len = (uintptr_t) value[2].len; | |
| 1066 val->text_data = (uintptr_t) value[2].data; | |
| 501 | 1067 |
| 515 | 1068 } else { |
| 1069 complex = ngx_http_script_start_code(cf->pool, &lcf->codes, | |
| 1070 sizeof(ngx_http_script_complex_value_code_t)); | |
| 1071 if (complex == NULL) { | |
| 1072 return NGX_CONF_ERROR; | |
| 1073 } | |
| 1074 | |
| 1075 complex->code = ngx_http_script_complex_value_code; | |
| 1076 complex->lengths = NULL; | |
| 1077 | |
| 1078 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
| 501 | 1079 |
| 515 | 1080 sc.cf = cf; |
| 1081 sc.source = &value[2]; | |
| 1082 sc.lengths = &complex->lengths; | |
| 1083 sc.values = &lcf->codes; | |
| 1084 sc.variables = n; | |
| 1085 sc.complete_lengths = 1; | |
| 1086 | |
| 1087 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
| 1088 return NGX_CONF_ERROR; | |
| 1089 } | |
| 1090 } | |
| 501 | 1091 |
| 509 | 1092 var = ngx_http_script_start_code(cf->pool, &lcf->codes, |
| 1093 sizeof(ngx_http_script_var_code_t)); | |
| 501 | 1094 if (var == NULL) { |
| 1095 return NGX_CONF_ERROR; | |
| 1096 } | |
| 1097 | |
| 509 | 1098 var->code = ngx_http_script_set_var_code; |
| 1099 var->index = (uintptr_t) index; | |
| 501 | 1100 |
| 1101 return NGX_CONF_OK; | |
| 1102 } |