Mercurial > hg > nginx
annotate src/http/modules/ngx_http_rewrite_module.c @ 541:b09ee85d0ac8 release-0.1.45
nginx-0.1.45-RELEASE import
*) Change: the "ssl_engine" directive was canceled in the
ngx_http_ssl_module and now is introduced at global level.
*) Bugfix: the responses with SSI subrequests did not transferred via
SSL connection.
*) Various bug fixes in the IMAP/POP3 proxy.
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Thu, 08 Sep 2005 14:36:09 +0000 |
| parents | 7fa11e5c6e96 |
| children | 7bd37aef1e7e |
| rev | line source |
|---|---|
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_http.h> |
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11 |
| 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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52 |
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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 */ |
| 541 | 133 NULL, /* init master */ |
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134 ngx_http_rewrite_init, /* init module */ |
| 541 | 135 NULL, /* init process */ |
| 136 NULL, /* init thread */ | |
| 137 NULL, /* exit thread */ | |
| 138 NULL, /* exit process */ | |
| 139 NULL, /* exit master */ | |
| 140 NGX_MODULE_V1_PADDING | |
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141 }; |
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142 |
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143 |
| 501 | 144 static ngx_http_variable_value_t ngx_http_rewrite_null_value = |
| 509 | 145 { 0, ngx_string("") }; |
| 501 | 146 |
| 485 | 147 |
| 487 | 148 static ngx_int_t |
| 149 ngx_http_rewrite_handler(ngx_http_request_t *r) | |
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150 { |
| 509 | 151 ngx_http_script_code_pt code; |
| 152 ngx_http_script_engine_t *e; | |
| 485 | 153 ngx_http_rewrite_loc_conf_t *cf; |
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154 |
| 485 | 155 cf = ngx_http_get_module_loc_conf(r, ngx_http_rewrite_module); |
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156 |
| 485 | 157 if (cf->codes == NULL) { |
| 158 return NGX_DECLINED; | |
| 159 } | |
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160 |
| 509 | 161 e = ngx_pcalloc(r->pool, sizeof(ngx_http_script_engine_t)); |
| 501 | 162 if (e == NULL) { |
| 485 | 163 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| 164 } | |
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165 |
| 509 | 166 e->sp = ngx_pcalloc(r->pool, |
| 167 cf->stack_size * sizeof(ngx_http_variable_value_t)); | |
| 485 | 168 if (e->sp == NULL) { |
| 169 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 170 } | |
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171 |
| 515 | 172 if (cf->captures) { |
| 173 e->captures = ngx_palloc(r->pool, cf->captures * sizeof(int)); | |
| 485 | 174 if (e->captures == NULL) { |
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175 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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176 } |
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177 |
| 485 | 178 } else { |
| 179 e->captures = NULL; | |
| 180 } | |
| 181 | |
| 182 e->ip = cf->codes->elts; | |
| 509 | 183 e->request = r; |
| 485 | 184 e->quote = 1; |
| 509 | 185 e->log = cf->log; |
| 485 | 186 e->status = NGX_DECLINED; |
| 187 | |
| 188 while (*(uintptr_t *) e->ip) { | |
| 509 | 189 code = *(ngx_http_script_code_pt *) e->ip; |
| 485 | 190 code(e); |
| 191 } | |
| 192 | |
| 193 return e->status; | |
| 194 } | |
| 195 | |
| 196 | |
| 487 | 197 static void |
| 509 | 198 ngx_http_rewrite_invalid_referer_code(ngx_http_script_engine_t *e) |
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199 { |
| 485 | 200 u_char *ref; |
| 201 size_t len; | |
| 202 ngx_uint_t i, n; | |
| 203 ngx_http_request_t *r; | |
| 204 ngx_http_rewrite_referer_t *refs; | |
| 205 ngx_http_rewrite_loc_conf_t *cf; | |
| 206 | |
| 207 r = e->request; | |
| 208 | |
| 209 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 210 "http rewrite invalid referer"); | |
| 211 | |
| 212 cf = ngx_http_get_module_loc_conf(r, ngx_http_rewrite_module); | |
| 213 | |
| 214 e->ip += sizeof(uintptr_t); | |
| 215 | |
| 216 if (cf->referers == NULL) { | |
| 501 | 217 e->sp->value = 0; |
| 218 e->sp->text.len = 0; | |
| 219 e->sp->text.data = (u_char *) ""; | |
| 220 e->sp++; | |
| 221 | |
| 485 | 222 return; |
| 223 } | |
| 224 | |
| 225 if (r->headers_in.referer == NULL) { | |
| 226 if (cf->no_referer) { | |
| 501 | 227 e->sp->value = 0; |
| 228 e->sp->text.len = 0; | |
| 229 e->sp->text.data = (u_char *) ""; | |
| 230 e->sp++; | |
| 231 | |
| 485 | 232 return; |
| 505 | 233 |
| 485 | 234 } else { |
| 501 | 235 e->sp->value = 1; |
| 236 e->sp->text.len = 1; | |
| 237 e->sp->text.data = (u_char *) "1"; | |
| 238 e->sp++; | |
| 239 | |
| 485 | 240 return; |
| 241 } | |
| 242 } | |
| 243 | |
| 244 len = r->headers_in.referer->value.len; | |
| 245 ref = r->headers_in.referer->value.data; | |
| 246 | |
| 247 if (len < sizeof("http://i.ru") - 1 | |
| 248 || (ngx_strncasecmp(ref, "http://", 7) != 0)) | |
| 249 { | |
| 505 | 250 if (cf->blocked_referer) { |
| 251 e->sp->value = 0; | |
| 252 e->sp->text.len = 0; | |
| 253 e->sp->text.data = (u_char *) "0"; | |
| 254 e->sp++; | |
| 255 | |
| 256 return; | |
| 501 | 257 |
| 505 | 258 } else { |
| 259 e->sp->value = 1; | |
| 260 e->sp->text.len = 1; | |
| 261 e->sp->text.data = (u_char *) "1"; | |
| 262 e->sp++; | |
| 263 | |
| 264 return; | |
| 265 } | |
| 485 | 266 } |
| 267 | |
| 268 len -= 7; | |
| 269 ref += 7; | |
| 270 | |
| 271 refs = cf->referers->elts; | |
| 272 for (i = 0; i < cf->referers->nelts; i++ ){ | |
| 273 | |
| 274 if (refs[i].name.len > len) { | |
| 275 continue; | |
| 276 } | |
|
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277 |
| 485 | 278 if (refs[i].wildcard) { |
| 279 for (n = 0; n < len; n++) { | |
| 280 if (ref[n] == '/' || ref[n] == ':') { | |
| 281 break; | |
| 282 } | |
| 283 | |
| 284 if (ref[n] != '.') { | |
| 285 continue; | |
| 286 } | |
| 287 | |
| 288 if (ngx_strncmp(&ref[n], refs[i].name.data, | |
| 289 refs[i].name.len) == 0) | |
| 290 { | |
| 501 | 291 e->sp->value = 0; |
| 292 e->sp->text.len = 0; | |
| 293 e->sp->text.data = (u_char *) ""; | |
| 294 e->sp++; | |
| 295 | |
| 485 | 296 return; |
| 297 } | |
| 298 } | |
| 299 | |
| 300 } else { | |
| 301 if (ngx_strncasecmp(refs[i].name.data, ref, refs[i].name.len) == 0) | |
| 302 { | |
| 501 | 303 e->sp->value = 0; |
| 304 e->sp->text.len = 0; | |
| 305 e->sp->text.data = (u_char *) ""; | |
| 306 e->sp++; | |
| 307 | |
| 485 | 308 return; |
| 309 } | |
| 310 } | |
| 311 } | |
|
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312 |
| 501 | 313 e->sp->value = 1; |
| 314 e->sp->text.len = 1; | |
| 315 e->sp->text.data = (u_char *) "1"; | |
| 316 e->sp++; | |
| 485 | 317 } |
| 318 | |
| 319 | |
| 501 | 320 static ngx_http_variable_value_t * |
| 321 ngx_http_rewrite_var(ngx_http_request_t *r, uintptr_t data) | |
| 322 { | |
| 323 ngx_http_variable_t *var; | |
| 324 ngx_http_core_main_conf_t *cmcf; | |
| 325 | |
| 326 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 327 | |
| 328 var = cmcf->variables.elts; | |
| 329 | |
| 330 /* | |
| 331 * the ngx_http_rewrite_module sets variables directly in r->variables, | |
| 519 | 332 * and they should be handled by ngx_http_get_indexed_variable(), |
| 501 | 333 * so the handler is called only if the variable is not initialized |
| 334 */ | |
| 335 | |
| 336 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
| 337 "using uninitialized \"%V\" variable", &var[data].name); | |
| 338 | |
| 339 return &ngx_http_rewrite_null_value; | |
| 340 } | |
| 341 | |
| 342 | |
| 487 | 343 static void * |
| 344 ngx_http_rewrite_create_loc_conf(ngx_conf_t *cf) | |
|
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345 { |
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346 ngx_http_rewrite_loc_conf_t *conf; |
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347 |
| 501 | 348 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_rewrite_loc_conf_t)); |
| 349 if (conf == NULL) { | |
|
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350 return NGX_CONF_ERROR; |
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351 } |
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352 |
| 485 | 353 conf->stack_size = NGX_CONF_UNSET_UINT; |
| 354 conf->log = NGX_CONF_UNSET; | |
| 355 conf->no_referer = NGX_CONF_UNSET; | |
| 505 | 356 conf->blocked_referer = NGX_CONF_UNSET; |
| 485 | 357 |
|
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358 return conf; |
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359 } |
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360 |
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361 |
| 487 | 362 static char * |
| 363 ngx_http_rewrite_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
|
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364 { |
| 485 | 365 ngx_http_rewrite_loc_conf_t *prev = parent; |
| 366 ngx_http_rewrite_loc_conf_t *conf = child; | |
| 367 | |
| 509 | 368 uintptr_t *code; |
| 485 | 369 |
| 370 ngx_conf_merge_value(conf->log, prev->log, 0); | |
| 371 ngx_conf_merge_unsigned_value(conf->stack_size, prev->stack_size, 10); | |
| 372 | |
| 373 if (conf->referers == NULL) { | |
| 374 conf->referers = prev->referers; | |
| 375 ngx_conf_merge_value(conf->no_referer, prev->no_referer, 0); | |
| 505 | 376 ngx_conf_merge_value(conf->blocked_referer, prev->blocked_referer, 0); |
| 485 | 377 } |
| 378 | |
| 499 | 379 if (conf->no_referer == NGX_CONF_UNSET) { |
| 380 conf->no_referer = 0; | |
| 381 } | |
| 382 | |
| 505 | 383 if (conf->blocked_referer == NGX_CONF_UNSET) { |
| 384 conf->blocked_referer = 0; | |
| 385 } | |
| 386 | |
| 485 | 387 if (conf->codes == NULL) { |
| 388 return NGX_CONF_OK; | |
| 389 } | |
| 390 | |
| 391 if (conf->codes == prev->codes) { | |
| 392 return NGX_CONF_OK; | |
| 393 } | |
| 394 | |
| 501 | 395 code = ngx_array_push_n(conf->codes, sizeof(uintptr_t)); |
| 396 if (code == NULL) { | |
|
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397 return NGX_CONF_ERROR; |
|
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398 } |
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399 |
| 485 | 400 *code = (uintptr_t) NULL; |
| 401 | |
| 402 return NGX_CONF_OK; | |
| 403 } | |
| 404 | |
|
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405 |
| 509 | 406 static ngx_int_t |
| 407 ngx_http_rewrite_init(ngx_cycle_t *cycle) | |
| 408 { | |
| 409 ngx_http_handler_pt *h; | |
| 410 ngx_http_core_main_conf_t *cmcf; | |
| 411 | |
| 412 cmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_core_module); | |
| 413 | |
| 414 h = ngx_array_push(&cmcf->phases[NGX_HTTP_REWRITE_PHASE].handlers); | |
| 415 if (h == NULL) { | |
| 416 return NGX_ERROR; | |
| 417 } | |
| 418 | |
| 419 *h = ngx_http_rewrite_handler; | |
| 420 | |
| 421 return NGX_OK; | |
| 422 } | |
| 423 | |
| 424 | |
| 487 | 425 static char * |
| 426 ngx_http_rewrite(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 485 | 427 { |
| 428 ngx_http_rewrite_loc_conf_t *lcf = conf; | |
| 429 | |
| 509 | 430 ngx_str_t *value, err; |
| 431 ngx_int_t n; | |
| 432 ngx_uint_t last; | |
| 433 ngx_http_script_code_pt *code; | |
| 434 ngx_http_script_compile_t sc; | |
| 435 ngx_http_script_regex_code_t *regex; | |
| 436 ngx_http_script_regex_end_code_t *regex_end; | |
| 437 u_char errstr[NGX_MAX_CONF_ERRSTR]; | |
| 485 | 438 |
| 509 | 439 regex = ngx_http_script_start_code(cf->pool, &lcf->codes, |
| 440 sizeof(ngx_http_script_regex_code_t)); | |
| 485 | 441 if (regex == NULL) { |
| 442 return NGX_CONF_ERROR; | |
| 443 } | |
|
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444 |
| 509 | 445 ngx_memzero(regex, sizeof(ngx_http_script_regex_code_t)); |
| 446 | |
|
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447 value = cf->args->elts; |
|
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448 |
| 485 | 449 err.len = NGX_MAX_CONF_ERRSTR; |
| 450 err.data = errstr; | |
| 451 | |
| 452 /* TODO: NGX_REGEX_CASELESS */ | |
| 453 | |
| 454 regex->regex = ngx_regex_compile(&value[1], 0, cf->pool, &err); | |
| 455 | |
| 456 if (regex->regex == NULL) { | |
| 457 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%s", err.data); | |
| 458 return NGX_CONF_ERROR; | |
| 459 } | |
| 460 | |
| 509 | 461 regex->code = ngx_http_script_regex_start_code; |
| 485 | 462 regex->uri = 1; |
| 463 regex->name = value[1]; | |
|
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464 |
| 509 | 465 if (value[2].data[value[2].len - 1] == '?') { |
| 466 | |
| 467 /* the last "?" drops the original arguments */ | |
| 468 value[2].len--; | |
| 469 | |
| 470 } else { | |
| 471 regex->add_args = 1; | |
| 472 } | |
| 473 | |
| 485 | 474 last = 0; |
| 475 | |
| 476 if (ngx_strncmp(value[2].data, "http://", sizeof("http://") - 1) == 0) { | |
| 477 regex->status = NGX_HTTP_MOVED_TEMPORARILY; | |
| 478 regex->redirect = 1; | |
| 479 last = 1; | |
| 480 } | |
| 481 | |
| 482 if (cf->args->nelts == 4) { | |
| 483 if (ngx_strcmp(value[3].data, "last") == 0) { | |
| 484 last = 1; | |
|
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485 |
| 487 | 486 } else if (ngx_strcmp(value[3].data, "break") == 0) { |
| 487 regex->break_cycle = 1; | |
| 488 last = 1; | |
| 489 | |
| 485 | 490 } else if (ngx_strcmp(value[3].data, "redirect") == 0) { |
| 491 regex->status = NGX_HTTP_MOVED_TEMPORARILY; | |
| 492 regex->redirect = 1; | |
| 493 last = 1; | |
|
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494 |
| 485 | 495 } else if (ngx_strcmp(value[3].data, "permanent") == 0) { |
| 496 regex->status = NGX_HTTP_MOVED_PERMANENTLY; | |
| 497 regex->redirect = 1; | |
| 498 last = 1; | |
|
326
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499 |
| 485 | 500 } else { |
|
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501 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 461 | 502 "invalid parameter \"%V\"", &value[3]); |
|
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503 return NGX_CONF_ERROR; |
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504 } |
| 485 | 505 } |
|
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506 |
| 509 | 507 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); |
| 485 | 508 |
| 509 | 509 sc.cf = cf; |
| 510 sc.source = &value[2]; | |
| 511 sc.lengths = ®ex->lengths; | |
| 512 sc.values = &lcf->codes; | |
| 513 sc.variables = ngx_http_script_variables_count(&value[2]); | |
| 514 sc.main = regex; | |
| 515 sc.complete_lengths = 1; | |
| 516 sc.compile_args = !regex->redirect; | |
| 485 | 517 |
| 509 | 518 if (ngx_http_script_compile(&sc) != NGX_OK) { |
| 519 return NGX_CONF_ERROR; | |
| 520 } | |
| 485 | 521 |
| 509 | 522 regex = sc.main; |
|
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523 |
| 509 | 524 regex->ncaptures = sc.ncaptures; |
| 525 regex->size = sc.size; | |
| 526 regex->args = sc.args; | |
|
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527 |
| 509 | 528 if (sc.variables == 0) { |
| 529 regex->lengths = NULL; | |
| 485 | 530 } |
| 531 | |
| 532 n = ngx_regex_capture_count(regex->regex); | |
| 533 | |
| 501 | 534 if (n < 0) { |
| 535 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 536 ngx_regex_capture_count_n " failed for " | |
| 537 "pattern \"%V\"", &value[1]); | |
| 538 return NGX_CONF_ERROR; | |
| 539 } | |
| 540 | |
| 541 if (regex->ncaptures > (ngx_uint_t) n) { | |
| 485 | 542 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 543 "pattern \"%V\" has less captures " | |
| 544 "than referrenced in substitution \"%V\"", | |
| 545 &value[1], &value[2]); | |
| 546 return NGX_CONF_ERROR; | |
| 547 } | |
| 548 | |
| 501 | 549 if (regex->ncaptures < (ngx_uint_t) n) { |
| 550 regex->ncaptures = (ngx_uint_t) n; | |
| 485 | 551 } |
| 481 | 552 |
| 485 | 553 if (regex->ncaptures) { |
| 554 regex->ncaptures = (regex->ncaptures + 1) * 3; | |
| 555 | |
| 515 | 556 if (lcf->captures < regex->ncaptures) { |
| 557 lcf->captures = regex->ncaptures; | |
| 558 } | |
| 509 | 559 } |
| 560 | |
| 561 regex_end = ngx_http_script_add_code(lcf->codes, | |
| 562 sizeof(ngx_http_script_regex_end_code_t), | |
| 563 ®ex); | |
| 485 | 564 if (regex_end == NULL) { |
| 565 return NGX_CONF_ERROR; | |
| 566 } | |
| 567 | |
| 509 | 568 regex_end->code = ngx_http_script_regex_end_code; |
| 485 | 569 regex_end->uri = regex->uri; |
| 570 regex_end->args = regex->args; | |
| 509 | 571 regex_end->add_args = regex->add_args; |
| 485 | 572 regex_end->redirect = regex->redirect; |
| 573 | |
| 574 if (last) { | |
| 517 | 575 code = ngx_http_script_add_code(lcf->codes, sizeof(uintptr_t), ®ex); |
| 485 | 576 if (code == NULL) { |
| 577 return NGX_CONF_ERROR; | |
|
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578 } |
|
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579 |
| 485 | 580 *code = (uintptr_t) NULL; |
| 581 } | |
| 582 | |
| 583 regex->next = (u_char *) lcf->codes->elts + lcf->codes->nelts | |
| 584 - (u_char *) regex; | |
| 585 | |
| 586 return NGX_CONF_OK; | |
| 587 } | |
| 588 | |
| 589 | |
| 487 | 590 static char * |
| 591 ngx_http_rewrite_return(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 485 | 592 { |
| 593 ngx_http_rewrite_loc_conf_t *lcf = conf; | |
|
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594 |
| 509 | 595 ngx_str_t *value; |
| 596 ngx_http_script_return_code_t *ret; | |
| 485 | 597 |
| 509 | 598 ret = ngx_http_script_start_code(cf->pool, &lcf->codes, |
| 599 sizeof(ngx_http_script_return_code_t)); | |
| 485 | 600 if (ret == NULL) { |
| 601 return NGX_CONF_ERROR; | |
| 602 } | |
| 603 | |
| 604 value = cf->args->elts; | |
| 605 | |
| 509 | 606 ret->code = ngx_http_script_return_code; |
| 485 | 607 ret->null = (uintptr_t) NULL; |
| 608 | |
| 609 ret->status = ngx_atoi(value[1].data, value[1].len); | |
| 610 | |
| 611 if (ret->status == (uintptr_t) NGX_ERROR) { | |
| 612 return NGX_CONF_ERROR; | |
|
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613 } |
|
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|
614 |
|
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615 return NGX_CONF_OK; |
|
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|
616 } |
|
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|
617 |
|
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|
618 |
| 487 | 619 static char * |
| 527 | 620 ngx_http_rewrite_break(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| 621 { | |
| 622 ngx_http_rewrite_loc_conf_t *lcf = conf; | |
| 623 | |
| 624 ngx_http_script_code_pt *code; | |
| 625 | |
| 626 code = ngx_http_script_start_code(cf->pool, &lcf->codes, sizeof(uintptr_t)); | |
| 627 if (code == NULL) { | |
| 628 return NGX_CONF_ERROR; | |
| 629 } | |
| 630 | |
| 631 *code = ngx_http_script_break_code; | |
| 632 | |
| 633 return NGX_CONF_OK; | |
| 634 } | |
| 635 | |
| 636 | |
| 637 static char * | |
| 487 | 638 ngx_http_rewrite_if(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
|
437
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|
639 { |
| 485 | 640 ngx_http_rewrite_loc_conf_t *lcf = conf; |
| 641 | |
| 642 void *mconf; | |
| 643 char *rv; | |
| 644 u_char *elts; | |
| 645 ngx_uint_t i; | |
| 646 ngx_conf_t save; | |
| 647 ngx_http_module_t *module; | |
| 648 ngx_http_conf_ctx_t *ctx, *pctx; | |
| 649 ngx_http_core_loc_conf_t *clcf, *pclcf, **clcfp; | |
| 509 | 650 ngx_http_script_if_code_t *if_code; |
| 485 | 651 ngx_http_rewrite_loc_conf_t *nlcf; |
| 652 | |
| 501 | 653 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)); |
| 654 if (ctx == NULL) { | |
| 485 | 655 return NGX_CONF_ERROR; |
| 656 } | |
| 657 | |
| 658 pctx = cf->ctx; | |
| 659 ctx->main_conf = pctx->main_conf; | |
| 660 ctx->srv_conf = pctx->srv_conf; | |
| 661 | |
| 662 ctx->loc_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
| 663 if (ctx->loc_conf == NULL) { | |
| 664 return NGX_CONF_ERROR; | |
| 665 } | |
| 666 | |
| 667 for (i = 0; ngx_modules[i]; i++) { | |
| 668 if (ngx_modules[i]->type != NGX_HTTP_MODULE) { | |
| 669 continue; | |
| 670 } | |
| 671 | |
| 672 module = ngx_modules[i]->ctx; | |
| 673 | |
| 674 if (module->create_loc_conf) { | |
| 675 | |
| 501 | 676 mconf = module->create_loc_conf(cf); |
| 677 if (mconf == NULL) { | |
| 485 | 678 return NGX_CONF_ERROR; |
| 679 } | |
| 680 | |
| 681 ctx->loc_conf[ngx_modules[i]->ctx_index] = mconf; | |
| 682 } | |
| 683 } | |
| 684 | |
| 685 pclcf = pctx->loc_conf[ngx_http_core_module.ctx_index]; | |
| 686 | |
| 687 clcf = ctx->loc_conf[ngx_http_core_module.ctx_index]; | |
| 688 clcf->loc_conf = ctx->loc_conf; | |
| 689 clcf->name = pclcf->name; | |
| 690 clcf->noname = 1; | |
| 691 | |
| 692 if (pclcf->locations.elts == NULL) { | |
| 693 if (ngx_array_init(&pclcf->locations, cf->pool, 4, sizeof(void *)) | |
| 694 == NGX_ERROR) | |
| 695 { | |
| 696 return NGX_CONF_ERROR; | |
| 697 } | |
| 698 } | |
| 699 | |
| 501 | 700 clcfp = ngx_array_push(&pclcf->locations); |
| 701 if (clcfp == NULL) { | |
| 485 | 702 return NGX_CONF_ERROR; |
| 703 } | |
| 704 | |
| 705 *clcfp = clcf; | |
| 706 | |
| 707 | |
| 501 | 708 if (ngx_http_rewrite_if_condition(cf, lcf) != NGX_CONF_OK) { |
| 485 | 709 return NGX_CONF_ERROR; |
| 710 } | |
| 711 | |
| 509 | 712 if_code = ngx_array_push_n(lcf->codes, sizeof(ngx_http_script_if_code_t)); |
| 485 | 713 if (if_code == NULL) { |
| 714 return NULL; | |
| 715 } | |
| 716 | |
| 509 | 717 if_code->code = ngx_http_script_if_code; |
| 485 | 718 |
| 719 elts = lcf->codes->elts; | |
| 720 | |
| 721 | |
| 722 /* the inside directives must compile to the same code array */ | |
| 723 | |
| 724 nlcf = ctx->loc_conf[ngx_http_rewrite_module.ctx_index]; | |
| 725 nlcf->codes = lcf->codes; | |
| 726 | |
| 727 | |
| 728 save = *cf; | |
| 729 cf->ctx = ctx; | |
| 730 | |
| 731 if (pclcf->name.len == 0) { | |
| 732 if_code->loc_conf = NULL; | |
| 733 cf->cmd_type = NGX_HTTP_SIF_CONF; | |
| 734 | |
| 735 } else { | |
| 736 if_code->loc_conf = ctx->loc_conf; | |
| 737 cf->cmd_type = NGX_HTTP_LIF_CONF; | |
| 738 } | |
| 739 | |
| 740 rv = ngx_conf_parse(cf, NULL); | |
| 741 | |
| 742 *cf = save; | |
| 743 | |
| 744 if (rv != NGX_CONF_OK) { | |
| 745 return rv; | |
| 746 } | |
| 747 | |
| 748 | |
| 517 | 749 if (lcf->captures < nlcf->captures) { |
| 750 lcf->captures = nlcf->captures; | |
| 751 } | |
| 752 | |
| 753 | |
| 485 | 754 if (elts != lcf->codes->elts) { |
| 509 | 755 if_code = (ngx_http_script_if_code_t *) |
| 485 | 756 ((u_char *) if_code + ((u_char *) lcf->codes->elts - elts)); |
| 757 } | |
| 758 | |
| 759 if_code->next = (u_char *) lcf->codes->elts + lcf->codes->nelts | |
| 760 - (u_char *) if_code; | |
|
437
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parents:
396
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761 |
|
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396
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|
762 return NGX_CONF_OK; |
|
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parents:
396
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changeset
|
763 } |
|
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nginx-0.0.12-2004-09-23-20:39:34 import
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parents:
396
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changeset
|
764 |
|
470270fa84d2
nginx-0.0.12-2004-09-23-20:39:34 import
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parents:
396
diff
changeset
|
765 |
| 487 | 766 static char * |
| 501 | 767 ngx_http_rewrite_if_condition(ngx_conf_t *cf, ngx_http_rewrite_loc_conf_t *lcf) |
| 768 { | |
| 509 | 769 ngx_str_t *value, err; |
| 515 | 770 ngx_uint_t cur, last, n; |
| 509 | 771 ngx_http_script_regex_code_t *regex; |
| 772 u_char errstr[NGX_MAX_CONF_ERRSTR]; | |
| 501 | 773 |
| 774 value = cf->args->elts; | |
| 775 last = cf->args->nelts - 1; | |
| 776 | |
| 777 if (value[1].len < 1 || value[1].data[0] != '(') { | |
| 778 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 779 "invalid condition \"%V\"", &value[1]); | |
| 780 return NGX_CONF_ERROR; | |
| 781 } | |
| 782 | |
| 783 if (value[1].len == 1) { | |
| 784 cur = 2; | |
| 785 | |
| 786 } else { | |
| 787 cur = 1; | |
| 788 value[1].len--; | |
| 789 value[1].data++; | |
| 790 } | |
| 791 | |
| 792 if (value[last].len < 1 || value[last].data[value[last].len - 1] != ')') { | |
| 793 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 794 "invalid condition \"%V\"", &value[last]); | |
| 795 return NGX_CONF_ERROR; | |
| 796 } | |
| 797 | |
| 798 if (value[last].len == 1) { | |
| 799 last--; | |
| 800 | |
| 801 } else { | |
| 802 value[last].len--; | |
| 803 value[last].data[value[last].len] = '\0'; | |
| 804 } | |
| 805 | |
| 806 if (value[cur].len > 1 && value[cur].data[0] == '$') { | |
| 807 | |
| 808 if (cur != last && cur + 2 != last) { | |
| 809 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 810 "invalid condition \"%V\"", &value[cur]); | |
| 811 return NGX_CONF_ERROR; | |
| 812 } | |
| 813 | |
| 814 if (ngx_http_rewrite_variable(cf, lcf, &value[cur])!= NGX_CONF_OK) { | |
| 815 return NGX_CONF_ERROR; | |
| 816 } | |
| 817 | |
| 818 if (cur == last) { | |
| 819 return NGX_CONF_OK; | |
| 820 } | |
| 821 | |
| 822 cur++; | |
| 823 | |
| 824 if ((value[cur].len == 1 && value[cur].data[0] != '~') | |
| 825 || (value[cur].len == 2 | |
| 826 && value[cur].data[0] != '~' && value[cur].data[1] != '*')) | |
| 827 { | |
| 828 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 829 "unexpected \"%V\" in condition", &value[cur]); | |
| 830 return NGX_CONF_ERROR; | |
| 831 } | |
| 832 | |
| 509 | 833 regex = ngx_http_script_start_code(cf->pool, &lcf->codes, |
| 834 sizeof(ngx_http_script_regex_code_t)); | |
| 501 | 835 if (regex == NULL) { |
| 836 return NGX_CONF_ERROR; | |
| 837 } | |
| 838 | |
| 509 | 839 ngx_memzero(regex, sizeof(ngx_http_script_regex_code_t)); |
| 840 | |
| 501 | 841 err.len = NGX_MAX_CONF_ERRSTR; |
| 842 err.data = errstr; | |
| 843 | |
| 844 regex->regex = ngx_regex_compile(&value[last], | |
| 845 (value[cur].len == 2) ? NGX_REGEX_CASELESS : 0, | |
| 846 cf->pool, &err); | |
| 847 | |
| 848 if (regex->regex == NULL) { | |
| 849 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%s", err.data); | |
| 850 return NGX_CONF_ERROR; | |
| 851 } | |
| 852 | |
| 509 | 853 regex->code = ngx_http_script_regex_start_code; |
| 854 regex->next = sizeof(ngx_http_script_regex_code_t); | |
| 501 | 855 regex->test = 1; |
| 856 regex->name = value[last]; | |
| 857 | |
| 515 | 858 n = ngx_regex_capture_count(regex->regex); |
| 859 | |
| 860 if (n) { | |
| 861 regex->ncaptures = (n + 1) * 3; | |
| 862 | |
| 863 if (lcf->captures < regex->ncaptures) { | |
| 864 lcf->captures = regex->ncaptures; | |
| 865 } | |
| 866 } | |
| 867 | |
| 501 | 868 return NGX_CONF_OK; |
| 869 } | |
| 870 | |
| 871 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 872 "invalid condition \"%V\"", &value[cur]); | |
| 873 | |
| 874 return NGX_CONF_ERROR; | |
| 875 } | |
| 876 | |
| 877 | |
| 878 static char * | |
| 879 ngx_http_rewrite_variable(ngx_conf_t *cf, ngx_http_rewrite_loc_conf_t *lcf, | |
| 880 ngx_str_t *value) | |
| 881 { | |
| 509 | 882 ngx_int_t index; |
| 883 ngx_http_script_code_pt *code; | |
| 884 ngx_http_script_var_code_t *var_code; | |
| 501 | 885 |
| 886 value->len--; | |
| 887 value->data++; | |
| 888 | |
| 889 if (value->len == sizeof("invalid_referer") - 1 | |
| 890 && ngx_strncmp(value->data, "invalid_referer", | |
| 891 sizeof("invalid_referer") - 1) == 0) | |
| 892 { | |
| 509 | 893 code = ngx_http_script_start_code(cf->pool, &lcf->codes, |
| 894 sizeof(ngx_http_script_code_pt)); | |
| 501 | 895 if (code == NULL) { |
| 896 return NGX_CONF_ERROR; | |
| 897 } | |
| 898 | |
| 899 *code = ngx_http_rewrite_invalid_referer_code; | |
| 900 | |
| 901 } else { | |
| 509 | 902 index = ngx_http_get_variable_index(cf, value); |
| 501 | 903 |
| 509 | 904 if (index == NGX_ERROR) { |
| 501 | 905 return NGX_CONF_ERROR; |
| 906 } | |
| 907 | |
| 509 | 908 var_code = ngx_http_script_start_code(cf->pool, &lcf->codes, |
| 909 sizeof(ngx_http_script_var_code_t)); | |
| 501 | 910 if (var_code == NULL) { |
| 911 return NGX_CONF_ERROR; | |
| 912 } | |
| 913 | |
| 509 | 914 var_code->code = ngx_http_script_var_code; |
| 915 var_code->index = index; | |
| 501 | 916 } |
| 917 | |
| 918 return NGX_CONF_OK; | |
| 919 } | |
| 920 | |
| 921 | |
| 922 static char * | |
| 487 | 923 ngx_http_rewrite_valid_referers(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
|
216
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nginx-0.0.1-2003-12-25-23:26:58 import
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parents:
diff
changeset
|
924 { |
| 485 | 925 ngx_http_rewrite_loc_conf_t *lcf = conf; |
|
216
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nginx-0.0.1-2003-12-25-23:26:58 import
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parents:
diff
changeset
|
926 |
| 485 | 927 ngx_uint_t i, server_names; |
| 928 ngx_str_t *value; | |
| 929 ngx_http_server_name_t *sn; | |
| 930 ngx_http_core_srv_conf_t *cscf; | |
| 931 ngx_http_rewrite_referer_t *ref; | |
| 932 | |
| 933 cscf = ngx_http_conf_get_module_srv_conf(cf, ngx_http_core_module); | |
|
216
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nginx-0.0.1-2003-12-25-23:26:58 import
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parents:
diff
changeset
|
934 |
| 485 | 935 if (lcf->referers == NULL) { |
| 936 lcf->referers = ngx_array_create(cf->pool, | |
| 937 cf->args->nelts + cscf->server_names.nelts, | |
| 938 sizeof(ngx_http_rewrite_referer_t)); | |
| 939 if (lcf->referers == NULL) { | |
| 940 return NGX_CONF_ERROR; | |
| 941 } | |
|
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
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parents:
diff
changeset
|
942 } |
|
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
943 |
| 485 | 944 value = cf->args->elts; |
| 945 server_names = 0; | |
| 946 | |
| 947 for (i = 1; i < cf->args->nelts; i++) { | |
| 948 if (value[i].len == 0) { | |
| 949 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 950 "invalid referer \"%V\"", &value[i]); | |
| 951 return NGX_CONF_ERROR; | |
| 952 } | |
| 953 | |
| 954 if (ngx_strcmp(value[i].data, "none") == 0) { | |
| 955 lcf->no_referer = 1; | |
| 956 continue; | |
| 957 } | |
| 958 | |
| 505 | 959 if (ngx_strcmp(value[i].data, "blocked") == 0) { |
| 960 lcf->blocked_referer = 1; | |
| 961 continue; | |
| 962 } | |
| 963 | |
| 485 | 964 if (ngx_strcmp(value[i].data, "server_names") == 0) { |
| 965 server_names = 1; | |
| 966 continue; | |
| 967 } | |
| 968 | |
| 501 | 969 ref = ngx_array_push(lcf->referers); |
| 970 if (ref == NULL) { | |
| 485 | 971 return NGX_CONF_ERROR; |
| 972 } | |
| 973 | |
| 974 if (value[i].data[0] != '*') { | |
| 975 ref->name = value[i]; | |
| 976 ref->wildcard = 0; | |
| 977 continue; | |
| 978 } | |
| 979 | |
| 980 if (value[i].data[1] != '.') { | |
| 981 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 982 "invalid wildcard referer \"%V\"", &value[i]); | |
| 983 return NGX_CONF_ERROR; | |
| 984 } | |
| 985 | |
| 986 ref->name.len = value[i].len - 1; | |
| 987 ref->name.data = value[i].data + 1; | |
| 988 ref->wildcard = 1; | |
| 989 } | |
| 990 | |
| 991 if (!server_names) { | |
| 992 return NGX_CONF_OK; | |
| 993 } | |
|
216
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nginx-0.0.1-2003-12-25-23:26:58 import
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parents:
diff
changeset
|
994 |
| 485 | 995 sn = cscf->server_names.elts; |
| 996 for (i = 0; i < cscf->server_names.nelts; i++) { | |
| 501 | 997 ref = ngx_array_push(lcf->referers); |
| 998 if (ref == NULL) { | |
| 485 | 999 return NGX_CONF_ERROR; |
| 1000 } | |
| 1001 | |
| 1002 ref->name.len = sn[i].name.len + 1; | |
| 501 | 1003 ref->name.data = ngx_palloc(cf->pool, ref->name.len); |
| 1004 if (ref->name.data == NULL) { | |
| 485 | 1005 return NGX_CONF_ERROR; |
| 1006 } | |
| 1007 | |
| 1008 ngx_memcpy(ref->name.data, sn[i].name.data, sn[i].name.len); | |
| 1009 ref->name.data[sn[i].name.len] = '/'; | |
| 1010 ref->wildcard = sn[i].wildcard; | |
| 1011 } | |
| 1012 | |
| 1013 return NGX_CONF_OK; | |
|
216
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nginx-0.0.1-2003-12-25-23:26:58 import
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parents:
diff
changeset
|
1014 } |
| 485 | 1015 |
| 1016 | |
| 501 | 1017 static char * |
| 1018 ngx_http_rewrite_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 1019 { | |
| 1020 ngx_http_rewrite_loc_conf_t *lcf = conf; | |
| 1021 | |
| 515 | 1022 ngx_int_t n, index; |
| 1023 ngx_str_t *value; | |
| 1024 ngx_http_variable_t *v; | |
| 1025 ngx_http_script_compile_t sc; | |
| 1026 ngx_http_script_var_code_t *var; | |
| 1027 ngx_http_script_value_code_t *val; | |
| 1028 ngx_http_script_complex_value_code_t *complex; | |
| 501 | 1029 |
| 1030 value = cf->args->elts; | |
| 1031 | |
| 1032 if (value[1].data[0] != '$') { | |
| 1033 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1034 "invalid variable name \"%V\"", &value[1]); | |
| 1035 return NGX_CONF_ERROR; | |
| 1036 } | |
| 1037 | |
| 1038 value[1].len--; | |
| 1039 value[1].data++; | |
| 1040 | |
| 509 | 1041 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGABLE); |
| 501 | 1042 if (v == NULL) { |
| 1043 return NGX_CONF_ERROR; | |
| 1044 } | |
| 1045 | |
| 509 | 1046 index = ngx_http_get_variable_index(cf, &value[1]); |
| 1047 if (index == NGX_ERROR) { | |
| 1048 return NGX_CONF_ERROR; | |
| 1049 } | |
| 501 | 1050 |
| 509 | 1051 v->handler = ngx_http_rewrite_var; |
| 1052 v->data = index; | |
| 1053 | |
| 515 | 1054 n = ngx_http_script_variables_count(&value[2]); |
| 1055 | |
| 1056 if (n == 0) { | |
| 1057 val = ngx_http_script_start_code(cf->pool, &lcf->codes, | |
| 1058 sizeof(ngx_http_script_value_code_t)); | |
| 1059 if (val == NULL) { | |
| 1060 return NGX_CONF_ERROR; | |
| 1061 } | |
| 501 | 1062 |
| 515 | 1063 n = ngx_atoi(value[2].data, value[2].len); |
| 1064 | |
| 1065 if (n == NGX_ERROR) { | |
| 1066 n = 0; | |
| 1067 } | |
| 1068 | |
| 1069 val->code = ngx_http_script_value_code; | |
| 1070 val->value = (uintptr_t) n; | |
| 1071 val->text_len = (uintptr_t) value[2].len; | |
| 1072 val->text_data = (uintptr_t) value[2].data; | |
| 501 | 1073 |
| 515 | 1074 } else { |
| 1075 complex = ngx_http_script_start_code(cf->pool, &lcf->codes, | |
| 1076 sizeof(ngx_http_script_complex_value_code_t)); | |
| 1077 if (complex == NULL) { | |
| 1078 return NGX_CONF_ERROR; | |
| 1079 } | |
| 1080 | |
| 1081 complex->code = ngx_http_script_complex_value_code; | |
| 1082 complex->lengths = NULL; | |
| 1083 | |
| 1084 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
| 501 | 1085 |
| 515 | 1086 sc.cf = cf; |
| 1087 sc.source = &value[2]; | |
| 1088 sc.lengths = &complex->lengths; | |
| 1089 sc.values = &lcf->codes; | |
| 1090 sc.variables = n; | |
| 1091 sc.complete_lengths = 1; | |
| 1092 | |
| 1093 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
| 1094 return NGX_CONF_ERROR; | |
| 1095 } | |
| 1096 } | |
| 501 | 1097 |
| 509 | 1098 var = ngx_http_script_start_code(cf->pool, &lcf->codes, |
| 1099 sizeof(ngx_http_script_var_code_t)); | |
| 501 | 1100 if (var == NULL) { |
| 1101 return NGX_CONF_ERROR; | |
| 1102 } | |
| 1103 | |
| 509 | 1104 var->code = ngx_http_script_set_var_code; |
| 1105 var->index = (uintptr_t) index; | |
| 501 | 1106 |
| 1107 return NGX_CONF_OK; | |
| 1108 } |