Mercurial > hg > nginx
annotate src/core/ngx_hash.c @ 2502:23706c19fab8
fix r2169 for .def.com and .abc.def.com case
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 11 Feb 2009 12:33:13 +0000 |
parents | a953f73273ee |
children | 6f79fac538b9 |
rev | line source |
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507 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 */ | |
5 | |
6 | |
7 #include <ngx_config.h> | |
8 #include <ngx_core.h> | |
9 | |
10 | |
589 | 11 void * |
12 ngx_hash_find(ngx_hash_t *hash, ngx_uint_t key, u_char *name, size_t len) | |
13 { | |
14 ngx_uint_t i; | |
15 ngx_hash_elt_t *elt; | |
16 | |
17 #if 0 | |
2155 | 18 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "hf:\"%*s\"", len, name); |
589 | 19 #endif |
20 | |
21 elt = hash->buckets[key % hash->size]; | |
22 | |
23 if (elt == NULL) { | |
24 return NULL; | |
25 } | |
26 | |
27 while (elt->value) { | |
28 if (len != (size_t) elt->len) { | |
29 goto next; | |
30 } | |
31 | |
32 for (i = 0; i < len; i++) { | |
33 if (name[i] != elt->name[i]) { | |
34 goto next; | |
35 } | |
36 } | |
37 | |
38 return elt->value; | |
39 | |
40 next: | |
41 | |
42 elt = (ngx_hash_elt_t *) ngx_align_ptr(&elt->name[0] + elt->len, | |
43 sizeof(void *)); | |
44 continue; | |
45 } | |
46 | |
47 return NULL; | |
48 } | |
49 | |
50 | |
51 void * | |
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52 ngx_hash_find_wc_head(ngx_hash_wildcard_t *hwc, u_char *name, size_t len) |
589 | 53 { |
54 void *value; | |
55 ngx_uint_t i, n, key; | |
56 | |
57 #if 0 | |
2155 | 58 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "wch:\"%*s\"", len, name); |
589 | 59 #endif |
60 | |
61 n = len; | |
62 | |
63 while (n) { | |
64 if (name[n - 1] == '.') { | |
65 break; | |
66 } | |
67 | |
68 n--; | |
69 } | |
70 | |
71 key = 0; | |
72 | |
73 for (i = n; i < len; i++) { | |
74 key = ngx_hash(key, name[i]); | |
75 } | |
76 | |
77 #if 0 | |
78 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "key:\"%ui\"", key); | |
79 #endif | |
80 | |
81 value = ngx_hash_find(&hwc->hash, key, &name[n], len - n); | |
82 | |
2149 | 83 #if 0 |
84 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "value:\"%p\"", value); | |
85 #endif | |
86 | |
589 | 87 if (value) { |
591 | 88 |
89 /* | |
90 * the 2 low bits of value have the special meaning: | |
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91 * 00 - value is data pointer for both "example.com" |
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92 * and "*.example.com"; |
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93 * 01 - value is data pointer for "*.example.com" only; |
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94 * 10 - value is pointer to wildcard hash allowing |
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95 * both "example.com" and "*.example.com"; |
591 | 96 * 11 - value is pointer to wildcard hash allowing |
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97 * "*.example.com" only. |
591 | 98 */ |
99 | |
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100 if ((uintptr_t) value & 2) { |
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101 |
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102 if (n == 0) { |
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103 |
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104 /* "example.com" */ |
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105 |
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106 if ((uintptr_t) value & 1) { |
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107 return NULL; |
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108 } |
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109 |
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110 hwc = (ngx_hash_wildcard_t *) |
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111 ((uintptr_t) value & (uintptr_t) ~3); |
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112 return hwc->value; |
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113 } |
591 | 114 |
115 hwc = (ngx_hash_wildcard_t *) ((uintptr_t) value & (uintptr_t) ~3); | |
116 | |
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117 value = ngx_hash_find_wc_head(hwc, name, n - 1); |
589 | 118 |
119 if (value) { | |
120 return value; | |
121 } | |
122 | |
123 return hwc->value; | |
124 } | |
125 | |
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126 if ((uintptr_t) value & 1) { |
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127 |
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128 if (n == 0) { |
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129 |
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130 /* "example.com" */ |
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131 |
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132 return NULL; |
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133 } |
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134 |
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135 return (void *) ((uintptr_t) value & (uintptr_t) ~3); |
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136 } |
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137 |
589 | 138 return value; |
139 } | |
140 | |
141 return hwc->value; | |
142 } | |
143 | |
144 | |
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145 void * |
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146 ngx_hash_find_wc_tail(ngx_hash_wildcard_t *hwc, u_char *name, size_t len) |
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147 { |
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148 void *value; |
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149 ngx_uint_t i, key; |
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150 |
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151 #if 0 |
2155 | 152 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "wct:\"%*s\"", len, name); |
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153 #endif |
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154 |
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155 key = 0; |
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156 |
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157 for (i = 0; i < len; i++) { |
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158 if (name[i] == '.') { |
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159 break; |
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160 } |
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161 |
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162 key = ngx_hash(key, name[i]); |
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163 } |
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164 |
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165 if (i == len) { |
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166 return NULL; |
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167 } |
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168 |
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169 #if 0 |
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170 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "key:\"%ui\"", key); |
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171 #endif |
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172 |
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173 value = ngx_hash_find(&hwc->hash, key, name, i); |
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174 |
2155 | 175 #if 0 |
176 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "value:\"%p\"", value); | |
177 #endif | |
178 | |
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179 if (value) { |
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180 |
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181 /* |
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182 * the 2 low bits of value have the special meaning: |
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183 * 00 - value is data pointer; |
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184 * 11 - value is pointer to wildcard hash allowing "example.*". |
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185 */ |
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186 |
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187 if ((uintptr_t) value & 2) { |
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188 |
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189 i++; |
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190 |
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191 hwc = (ngx_hash_wildcard_t *) ((uintptr_t) value & (uintptr_t) ~3); |
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192 |
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193 value = ngx_hash_find_wc_tail(hwc, &name[i], len - i); |
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194 |
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195 if (value) { |
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196 return value; |
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197 } |
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198 |
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199 return hwc->value; |
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200 } |
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201 |
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202 return value; |
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203 } |
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204 |
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205 return hwc->value; |
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206 } |
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207 |
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208 |
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209 void * |
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210 ngx_hash_find_combined(ngx_hash_combined_t *hash, ngx_uint_t key, u_char *name, |
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211 size_t len) |
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212 { |
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213 void *value; |
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214 |
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215 if (hash->hash.buckets) { |
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216 value = ngx_hash_find(&hash->hash, key, name, len); |
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217 |
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218 if (value) { |
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219 return value; |
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220 } |
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221 } |
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222 |
2195 | 223 if (len == 0) { |
224 return NULL; | |
225 } | |
226 | |
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227 if (hash->wc_head && hash->wc_head->hash.buckets) { |
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228 value = ngx_hash_find_wc_head(hash->wc_head, name, len); |
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229 |
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230 if (value) { |
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231 return value; |
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232 } |
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233 } |
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234 |
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235 if (hash->wc_tail && hash->wc_tail->hash.buckets) { |
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236 value = ngx_hash_find_wc_tail(hash->wc_tail, name, len); |
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237 |
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238 if (value) { |
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239 return value; |
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240 } |
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241 } |
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242 |
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243 return NULL; |
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244 } |
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245 |
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246 |
589 | 247 #define NGX_HASH_ELT_SIZE(name) \ |
595 | 248 (sizeof(void *) + ngx_align((name)->key.len + 1, sizeof(void *))) |
589 | 249 |
507 | 250 ngx_int_t |
589 | 251 ngx_hash_init(ngx_hash_init_t *hinit, ngx_hash_key_t *names, ngx_uint_t nelts) |
252 { | |
253 u_char *elts; | |
595 | 254 size_t len; |
255 u_short *test; | |
589 | 256 ngx_uint_t i, n, key, size, start, bucket_size; |
257 ngx_hash_elt_t *elt, **buckets; | |
258 | |
259 for (n = 0; n < nelts; n++) { | |
260 if (names[n].key.len >= 255) { | |
261 ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0, | |
262 "the \"%V\" value to hash is to long: %uz bytes, " | |
263 "the maximum length can be 255 bytes only", | |
264 &names[n].key, names[n].key.len); | |
265 return NGX_ERROR; | |
266 } | |
267 | |
268 if (hinit->bucket_size < NGX_HASH_ELT_SIZE(&names[n]) + sizeof(void *)) | |
269 { | |
270 ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0, | |
595 | 271 "could not build the %s, you should " |
589 | 272 "increase %s_bucket_size: %i", |
273 hinit->name, hinit->name, hinit->bucket_size); | |
274 return NGX_ERROR; | |
275 } | |
276 } | |
277 | |
595 | 278 test = ngx_alloc(hinit->max_size * sizeof(u_short), hinit->pool->log); |
589 | 279 if (test == NULL) { |
280 return NGX_ERROR; | |
281 } | |
282 | |
631 | 283 bucket_size = hinit->bucket_size - sizeof(void *); |
284 | |
746 | 285 start = nelts / (bucket_size / (2 * sizeof(void *))); |
589 | 286 start = start ? start : 1; |
287 | |
631 | 288 if (hinit->max_size > 10000 && hinit->max_size / nelts < 100) { |
289 start = hinit->max_size - 1000; | |
290 } | |
589 | 291 |
292 for (size = start; size < hinit->max_size; size++) { | |
293 | |
595 | 294 ngx_memzero(test, size * sizeof(u_short)); |
589 | 295 |
296 for (n = 0; n < nelts; n++) { | |
297 if (names[n].key.data == NULL) { | |
298 continue; | |
299 } | |
300 | |
301 key = names[n].key_hash % size; | |
595 | 302 test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n])); |
589 | 303 |
304 #if 0 | |
305 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
306 "%ui: %ui %ui \"%V\"", | |
307 size, key, test[key], &names[n].key); | |
308 #endif | |
309 | |
595 | 310 if (test[key] > (u_short) bucket_size) { |
589 | 311 goto next; |
312 } | |
313 } | |
314 | |
315 goto found; | |
316 | |
317 next: | |
318 | |
319 continue; | |
320 } | |
321 | |
322 ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0, | |
595 | 323 "could not build the %s, you should increase " |
589 | 324 "either %s_max_size: %i or %s_bucket_size: %i", |
325 hinit->name, hinit->name, hinit->max_size, | |
326 hinit->name, hinit->bucket_size); | |
327 | |
328 ngx_free(test); | |
329 | |
330 return NGX_ERROR; | |
331 | |
332 found: | |
333 | |
334 for (i = 0; i < size; i++) { | |
335 test[i] = sizeof(void *); | |
336 } | |
337 | |
338 for (n = 0; n < nelts; n++) { | |
339 if (names[n].key.data == NULL) { | |
340 continue; | |
341 } | |
342 | |
343 key = names[n].key_hash % size; | |
595 | 344 test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n])); |
589 | 345 } |
346 | |
347 len = 0; | |
348 | |
349 for (i = 0; i < size; i++) { | |
350 if (test[i] == sizeof(void *)) { | |
351 continue; | |
352 } | |
353 | |
595 | 354 test[i] = (u_short) (ngx_align(test[i], ngx_cacheline_size)); |
589 | 355 |
356 len += test[i]; | |
357 } | |
358 | |
359 if (hinit->hash == NULL) { | |
360 hinit->hash = ngx_pcalloc(hinit->pool, sizeof(ngx_hash_wildcard_t) | |
361 + size * sizeof(ngx_hash_elt_t *)); | |
362 if (hinit->hash == NULL) { | |
363 ngx_free(test); | |
364 return NGX_ERROR; | |
365 } | |
366 | |
367 buckets = (ngx_hash_elt_t **) | |
368 ((u_char *) hinit->hash + sizeof(ngx_hash_wildcard_t)); | |
369 | |
370 } else { | |
371 buckets = ngx_pcalloc(hinit->pool, size * sizeof(ngx_hash_elt_t *)); | |
372 if (buckets == NULL) { | |
373 ngx_free(test); | |
374 return NGX_ERROR; | |
375 } | |
376 } | |
377 | |
378 elts = ngx_palloc(hinit->pool, len + ngx_cacheline_size); | |
379 if (elts == NULL) { | |
380 ngx_free(test); | |
381 return NGX_ERROR; | |
382 } | |
383 | |
384 elts = ngx_align_ptr(elts, ngx_cacheline_size); | |
385 | |
386 for (i = 0; i < size; i++) { | |
387 if (test[i] == sizeof(void *)) { | |
388 continue; | |
389 } | |
390 | |
391 buckets[i] = (ngx_hash_elt_t *) elts; | |
392 elts += test[i]; | |
393 | |
394 } | |
395 | |
396 for (i = 0; i < size; i++) { | |
397 test[i] = 0; | |
398 } | |
399 | |
400 for (n = 0; n < nelts; n++) { | |
401 if (names[n].key.data == NULL) { | |
402 continue; | |
403 } | |
404 | |
405 key = names[n].key_hash % size; | |
406 elt = (ngx_hash_elt_t *) ((u_char *) buckets[key] + test[key]); | |
407 | |
408 elt->value = names[n].value; | |
409 elt->len = (u_char) names[n].key.len; | |
410 | |
2135 | 411 ngx_strlow(elt->name, names[n].key.data, names[n].key.len); |
589 | 412 |
595 | 413 test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n])); |
589 | 414 } |
415 | |
416 for (i = 0; i < size; i++) { | |
417 if (buckets[i] == NULL) { | |
418 continue; | |
419 } | |
420 | |
421 elt = (ngx_hash_elt_t *) ((u_char *) buckets[i] + test[i]); | |
422 | |
423 elt->value = NULL; | |
424 } | |
425 | |
426 ngx_free(test); | |
427 | |
428 hinit->hash->buckets = buckets; | |
429 hinit->hash->size = size; | |
430 | |
431 #if 0 | |
432 | |
433 for (i = 0; i < size; i++) { | |
434 ngx_str_t val; | |
435 ngx_uint_t key; | |
436 | |
437 elt = buckets[i]; | |
438 | |
439 if (elt == NULL) { | |
440 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
441 "%ui: NULL", i); | |
442 continue; | |
443 } | |
444 | |
445 while (elt->value) { | |
446 val.len = elt->len; | |
447 val.data = &elt->name[0]; | |
448 | |
449 key = hinit->key(val.data, val.len); | |
450 | |
451 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
452 "%ui: %p \"%V\" %ui", i, elt, &val, key); | |
453 | |
454 elt = (ngx_hash_elt_t *) ngx_align_ptr(&elt->name[0] + elt->len, | |
455 sizeof(void *)); | |
456 } | |
457 } | |
458 | |
459 #endif | |
460 | |
461 return NGX_OK; | |
462 } | |
463 | |
464 | |
465 ngx_int_t | |
466 ngx_hash_wildcard_init(ngx_hash_init_t *hinit, ngx_hash_key_t *names, | |
467 ngx_uint_t nelts) | |
468 { | |
593 | 469 size_t len, dot_len; |
591 | 470 ngx_uint_t i, n, dot; |
589 | 471 ngx_array_t curr_names, next_names; |
472 ngx_hash_key_t *name, *next_name; | |
473 ngx_hash_init_t h; | |
474 ngx_hash_wildcard_t *wdc; | |
475 | |
476 if (ngx_array_init(&curr_names, hinit->temp_pool, nelts, | |
477 sizeof(ngx_hash_key_t)) | |
478 != NGX_OK) | |
479 { | |
480 return NGX_ERROR; | |
481 } | |
482 | |
483 if (ngx_array_init(&next_names, hinit->temp_pool, nelts, | |
484 sizeof(ngx_hash_key_t)) | |
485 != NGX_OK) | |
486 { | |
487 return NGX_ERROR; | |
488 } | |
489 | |
490 for (n = 0; n < nelts; n = i) { | |
491 | |
492 #if 0 | |
493 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
494 "wc0: \"%V\"", &names[n].key); | |
495 #endif | |
496 | |
591 | 497 dot = 0; |
498 | |
589 | 499 for (len = 0; len < names[n].key.len; len++) { |
500 if (names[n].key.data[len] == '.') { | |
591 | 501 dot = 1; |
589 | 502 break; |
503 } | |
504 } | |
505 | |
506 name = ngx_array_push(&curr_names); | |
507 if (name == NULL) { | |
508 return NGX_ERROR; | |
509 } | |
510 | |
591 | 511 name->key.len = len; |
589 | 512 name->key.data = names[n].key.data; |
513 name->key_hash = hinit->key(name->key.data, name->key.len); | |
514 name->value = names[n].value; | |
515 | |
516 #if 0 | |
517 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
593 | 518 "wc1: \"%V\" %ui", &name->key, dot); |
589 | 519 #endif |
520 | |
593 | 521 dot_len = len + 1; |
522 | |
591 | 523 if (dot) { |
524 len++; | |
525 } | |
526 | |
589 | 527 next_names.nelts = 0; |
528 | |
529 if (names[n].key.len != len) { | |
530 next_name = ngx_array_push(&next_names); | |
531 if (next_name == NULL) { | |
532 return NGX_ERROR; | |
533 } | |
534 | |
535 next_name->key.len = names[n].key.len - len; | |
536 next_name->key.data = names[n].key.data + len; | |
537 next_name->key_hash= 0; | |
538 next_name->value = names[n].value; | |
539 | |
540 #if 0 | |
541 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
542 "wc2: \"%V\"", &next_name->key); | |
543 #endif | |
544 } | |
545 | |
546 for (i = n + 1; i < nelts; i++) { | |
547 if (ngx_strncmp(names[n].key.data, names[i].key.data, len) != 0) { | |
548 break; | |
549 } | |
550 | |
593 | 551 if (!dot |
552 && names[i].key.len > len | |
553 && names[i].key.data[len] != '.') | |
554 { | |
555 break; | |
556 } | |
557 | |
589 | 558 next_name = ngx_array_push(&next_names); |
559 if (next_name == NULL) { | |
560 return NGX_ERROR; | |
561 } | |
562 | |
593 | 563 next_name->key.len = names[i].key.len - dot_len; |
564 next_name->key.data = names[i].key.data + dot_len; | |
589 | 565 next_name->key_hash= 0; |
566 next_name->value = names[i].value; | |
567 | |
568 #if 0 | |
569 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
591 | 570 "wc3: \"%V\"", &next_name->key); |
589 | 571 #endif |
572 } | |
573 | |
574 if (next_names.nelts) { | |
593 | 575 |
589 | 576 h = *hinit; |
577 h.hash = NULL; | |
578 | |
579 if (ngx_hash_wildcard_init(&h, (ngx_hash_key_t *) next_names.elts, | |
580 next_names.nelts) | |
581 != NGX_OK) | |
582 { | |
583 return NGX_ERROR; | |
584 } | |
585 | |
586 wdc = (ngx_hash_wildcard_t *) h.hash; | |
587 | |
588 if (names[n].key.len == len) { | |
589 wdc->value = names[n].value; | |
590 } | |
591 | |
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592 name->value = (void *) ((uintptr_t) wdc | (dot ? 3 : 2)); |
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593 |
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594 } else if (dot) { |
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595 name->value = (void *) ((uintptr_t) name->value | 1); |
589 | 596 } |
597 } | |
598 | |
599 if (ngx_hash_init(hinit, (ngx_hash_key_t *) curr_names.elts, | |
600 curr_names.nelts) | |
601 != NGX_OK) | |
602 { | |
603 return NGX_ERROR; | |
604 } | |
605 | |
606 return NGX_OK; | |
607 } | |
608 | |
609 | |
610 ngx_uint_t | |
611 ngx_hash_key(u_char *data, size_t len) | |
612 { | |
613 ngx_uint_t i, key; | |
614 | |
615 key = 0; | |
616 | |
617 for (i = 0; i < len; i++) { | |
618 key = ngx_hash(key, data[i]); | |
619 } | |
620 | |
621 return key; | |
622 } | |
623 | |
624 | |
625 ngx_uint_t | |
626 ngx_hash_key_lc(u_char *data, size_t len) | |
627 { | |
628 ngx_uint_t i, key; | |
629 | |
630 key = 0; | |
631 | |
632 for (i = 0; i < len; i++) { | |
633 key = ngx_hash(key, ngx_tolower(data[i])); | |
634 } | |
635 | |
636 return key; | |
637 } | |
638 | |
639 | |
2136 | 640 ngx_uint_t |
641 ngx_hash_strlow(u_char *dst, u_char *src, size_t n) | |
642 { | |
643 ngx_uint_t key; | |
644 | |
645 key = 0; | |
646 | |
647 while (n--) { | |
648 *dst = ngx_tolower(*src); | |
649 key = ngx_hash(key, *dst); | |
650 dst++; | |
651 src++; | |
652 } | |
653 | |
654 return key; | |
655 } | |
656 | |
657 | |
589 | 658 ngx_int_t |
593 | 659 ngx_hash_keys_array_init(ngx_hash_keys_arrays_t *ha, ngx_uint_t type) |
660 { | |
661 ngx_uint_t asize; | |
662 | |
663 if (type == NGX_HASH_SMALL) { | |
664 asize = 4; | |
665 ha->hsize = 107; | |
666 | |
667 } else { | |
668 asize = NGX_HASH_LARGE_ASIZE; | |
669 ha->hsize = NGX_HASH_LARGE_HSIZE; | |
670 } | |
671 | |
672 if (ngx_array_init(&ha->keys, ha->temp_pool, asize, sizeof(ngx_hash_key_t)) | |
673 != NGX_OK) | |
674 { | |
675 return NGX_ERROR; | |
676 } | |
677 | |
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678 if (ngx_array_init(&ha->dns_wc_head, ha->temp_pool, asize, |
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679 sizeof(ngx_hash_key_t)) |
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680 != NGX_OK) |
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681 { |
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682 return NGX_ERROR; |
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683 } |
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684 |
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changeset
|
685 if (ngx_array_init(&ha->dns_wc_tail, ha->temp_pool, asize, |
593 | 686 sizeof(ngx_hash_key_t)) |
687 != NGX_OK) | |
688 { | |
689 return NGX_ERROR; | |
690 } | |
691 | |
692 ha->keys_hash = ngx_pcalloc(ha->temp_pool, sizeof(ngx_array_t) * ha->hsize); | |
693 if (ha->keys_hash == NULL) { | |
694 return NGX_ERROR; | |
695 } | |
696 | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
697 ha->dns_wc_head_hash = ngx_pcalloc(ha->temp_pool, |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
698 sizeof(ngx_array_t) * ha->hsize); |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
699 if (ha->dns_wc_head_hash == NULL) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
700 return NGX_ERROR; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
701 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
702 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
703 ha->dns_wc_tail_hash = ngx_pcalloc(ha->temp_pool, |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
704 sizeof(ngx_array_t) * ha->hsize); |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
705 if (ha->dns_wc_tail_hash == NULL) { |
593 | 706 return NGX_ERROR; |
707 } | |
708 | |
709 return NGX_OK; | |
710 } | |
711 | |
712 | |
713 ngx_int_t | |
714 ngx_hash_add_key(ngx_hash_keys_arrays_t *ha, ngx_str_t *key, void *value, | |
715 ngx_uint_t flags) | |
716 { | |
717 size_t len; | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
718 u_char *p; |
593 | 719 ngx_str_t *name; |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
720 ngx_uint_t i, k, n, skip, last; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
721 ngx_array_t *keys, *hwc; |
593 | 722 ngx_hash_key_t *hk; |
723 | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
724 last = key->len; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
725 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
726 if (flags & NGX_HASH_WILDCARD_KEY) { |
593 | 727 |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
728 /* |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
729 * supported wildcards: |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
730 * "*.example.com", ".example.com", and "www.example.*" |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
731 */ |
593 | 732 |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
733 n = 0; |
593 | 734 |
735 for (i = 0; i < key->len; i++) { | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
736 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
737 if (key->data[i] == '*') { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
738 if (++n > 1) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
739 return NGX_DECLINED; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
740 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
741 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
742 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
743 if (key->data[i] == '.' && key->data[i + 1] == '.') { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
744 return NGX_DECLINED; |
597 | 745 } |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
746 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
747 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
748 if (key->len > 1 && key->data[0] == '.') { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
749 skip = 1; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
750 goto wildcard; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
751 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
752 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
753 if (key->len > 2) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
754 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
755 if (key->data[0] == '*' && key->data[1] == '.') { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
756 skip = 2; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
757 goto wildcard; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
758 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
759 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
760 if (key->data[i - 2] == '.' && key->data[i - 1] == '*') { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
761 skip = 0; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
762 last -= 2; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
763 goto wildcard; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
764 } |
593 | 765 } |
766 | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
767 if (n) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
768 return NGX_DECLINED; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
769 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
770 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
771 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
772 /* exact hash */ |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
773 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
774 k = 0; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
775 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
776 for (i = 0; i < last; i++) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
777 if (!(flags & NGX_HASH_READONLY_KEY)) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
778 key->data[i] = ngx_tolower(key->data[i]); |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
779 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
780 k = ngx_hash(k, key->data[i]); |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
781 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
782 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
783 k %= ha->hsize; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
784 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
785 /* check conflicts in exact hash */ |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
786 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
787 name = ha->keys_hash[k].elts; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
788 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
789 if (name) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
790 for (i = 0; i < ha->keys_hash[k].nelts; i++) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
791 if (last != name[i].len) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
792 continue; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
793 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
794 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
795 if (ngx_strncmp(key->data, name[i].data, last) == 0) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
796 return NGX_BUSY; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
797 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
798 } |
593 | 799 |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
800 } else { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
801 if (ngx_array_init(&ha->keys_hash[k], ha->temp_pool, 4, |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
802 sizeof(ngx_str_t)) |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
803 != NGX_OK) |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
804 { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
805 return NGX_ERROR; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
806 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
807 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
808 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
809 name = ngx_array_push(&ha->keys_hash[k]); |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
810 if (name == NULL) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
811 return NGX_ERROR; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
812 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
813 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
814 *name = *key; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
815 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
816 hk = ngx_array_push(&ha->keys); |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
817 if (hk == NULL) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
818 return NGX_ERROR; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
819 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
820 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
821 hk->key = *key; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
822 hk->key_hash = ngx_hash_key(key->data, last); |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
823 hk->value = value; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
824 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
825 return NGX_OK; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
826 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
827 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
828 wildcard: |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
829 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
830 /* wildcard hash */ |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
831 |
2136 | 832 k = ngx_hash_strlow(&key->data[skip], &key->data[skip], last - skip); |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
833 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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834 k %= ha->hsize; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
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835 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
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836 if (skip == 1) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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837 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
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838 /* check conflicts in exact hash for ".example.com" */ |
593 | 839 |
840 name = ha->keys_hash[k].elts; | |
841 | |
842 if (name) { | |
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843 len = last - skip; |
8ef04207c84f
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Igor Sysoev <igor@sysoev.ru>
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844 |
593 | 845 for (i = 0; i < ha->keys_hash[k].nelts; i++) { |
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846 if (len != name[i].len) { |
593 | 847 continue; |
848 } | |
849 | |
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850 if (ngx_strncmp(&key->data[1], name[i].data, len) == 0) { |
593 | 851 return NGX_BUSY; |
852 } | |
853 } | |
854 | |
855 } else { | |
856 if (ngx_array_init(&ha->keys_hash[k], ha->temp_pool, 4, | |
857 sizeof(ngx_str_t)) | |
858 != NGX_OK) | |
859 { | |
860 return NGX_ERROR; | |
861 } | |
862 } | |
863 | |
864 name = ngx_array_push(&ha->keys_hash[k]); | |
865 if (name == NULL) { | |
866 return NGX_ERROR; | |
867 } | |
868 | |
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869 name->len = last - 1; |
2049 | 870 name->data = ngx_pnalloc(ha->temp_pool, name->len); |
1253
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871 if (name->data == NULL) { |
593 | 872 return NGX_ERROR; |
873 } | |
874 | |
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875 ngx_memcpy(name->data, &key->data[1], name->len); |
8ef04207c84f
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|
876 } |
593 | 877 |
878 | |
1253
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879 if (skip) { |
593 | 880 |
881 /* | |
882 * convert "*.example.com" to "com.example.\0" | |
883 * and ".example.com" to "com.example\0" | |
884 */ | |
885 | |
2049 | 886 p = ngx_pnalloc(ha->temp_pool, last); |
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887 if (p == NULL) { |
619 | 888 return NGX_ERROR; |
889 } | |
890 | |
593 | 891 len = 0; |
892 n = 0; | |
893 | |
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894 for (i = last - 1; i; i--) { |
593 | 895 if (key->data[i] == '.') { |
1253
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896 ngx_memcpy(&p[n], &key->data[i + 1], len); |
593 | 897 n += len; |
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898 p[n++] = '.'; |
593 | 899 len = 0; |
900 continue; | |
901 } | |
902 | |
903 len++; | |
904 } | |
905 | |
906 if (len) { | |
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907 ngx_memcpy(&p[n], &key->data[1], len); |
593 | 908 n += len; |
909 } | |
910 | |
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911 p[n] = '\0'; |
619 | 912 |
1253
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913 hwc = &ha->dns_wc_head; |
8ef04207c84f
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Igor Sysoev <igor@sysoev.ru>
parents:
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914 keys = &ha->dns_wc_head_hash[k]; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
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915 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
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916 } else { |
619 | 917 |
1253
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Igor Sysoev <igor@sysoev.ru>
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changeset
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918 /* convert "www.example.*" to "www.example\0" */ |
619 | 919 |
1253
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Igor Sysoev <igor@sysoev.ru>
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920 last++; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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921 |
2049 | 922 p = ngx_pnalloc(ha->temp_pool, last); |
1415
d83687d29853
fix trailing wildcard when two or more listen used in one server
Igor Sysoev <igor@sysoev.ru>
parents:
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923 if (p == NULL) { |
d83687d29853
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Igor Sysoev <igor@sysoev.ru>
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924 return NGX_ERROR; |
d83687d29853
fix trailing wildcard when two or more listen used in one server
Igor Sysoev <igor@sysoev.ru>
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|
925 } |
d83687d29853
fix trailing wildcard when two or more listen used in one server
Igor Sysoev <igor@sysoev.ru>
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926 |
1492 | 927 ngx_cpystrn(p, key->data, last); |
1415
d83687d29853
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Igor Sysoev <igor@sysoev.ru>
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928 |
1253
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Igor Sysoev <igor@sysoev.ru>
parents:
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929 hwc = &ha->dns_wc_tail; |
8ef04207c84f
the "www.example.*" wildcard hash support
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parents:
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930 keys = &ha->dns_wc_tail_hash[k]; |
8ef04207c84f
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parents:
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931 } |
593 | 932 |
933 | |
1253
8ef04207c84f
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
934 hk = ngx_array_push(hwc); |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
935 if (hk == NULL) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
936 return NGX_ERROR; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
937 } |
593 | 938 |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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|
939 hk->key.len = last - 1; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
940 hk->key.data = p; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
941 hk->key_hash = 0; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
942 hk->value = value; |
593 | 943 |
944 | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
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parents:
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changeset
|
945 /* check conflicts in wildcard hash */ |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
946 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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947 name = keys->elts; |
593 | 948 |
1253
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the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
949 if (name) { |
8ef04207c84f
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
950 len = last - skip; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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|
951 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
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|
952 for (i = 0; i < keys->nelts; i++) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
953 if (len != name[i].len) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
954 continue; |
593 | 955 } |
956 | |
1253
8ef04207c84f
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parents:
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957 if (ngx_strncmp(key->data + skip, name[i].data, len) == 0) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
958 return NGX_BUSY; |
593 | 959 } |
960 } | |
961 | |
1253
8ef04207c84f
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
962 } else { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
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changeset
|
963 if (ngx_array_init(keys, ha->temp_pool, 4, sizeof(ngx_str_t)) != NGX_OK) |
8ef04207c84f
the "www.example.*" wildcard hash support
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parents:
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changeset
|
964 { |
593 | 965 return NGX_ERROR; |
966 } | |
1253
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parents:
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967 } |
593 | 968 |
1253
8ef04207c84f
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
969 name = ngx_array_push(keys); |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
970 if (name == NULL) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
971 return NGX_ERROR; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
972 } |
619 | 973 |
1253
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
974 name->len = last - skip; |
2049 | 975 name->data = ngx_pnalloc(ha->temp_pool, name->len); |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
976 if (name->data == NULL) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
977 return NGX_ERROR; |
593 | 978 } |
979 | |
1253
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the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
980 ngx_memcpy(name->data, key->data + skip, name->len); |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
981 |
593 | 982 return NGX_OK; |
983 } |