Mercurial > hg > nginx
annotate src/core/ngx_hash.c @ 2135:8c6521eedf84
ngx_strlow()
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Mon, 04 Aug 2008 10:07:00 +0000 |
parents | 2a92804f4109 |
children | 7a7c9e9024dd |
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 | |
18 ngx_str_t line; | |
19 | |
20 line.len = len; | |
21 line.data = name; | |
22 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "hf:\"%V\"", &line); | |
23 #endif | |
24 | |
25 elt = hash->buckets[key % hash->size]; | |
26 | |
27 if (elt == NULL) { | |
28 return NULL; | |
29 } | |
30 | |
31 while (elt->value) { | |
32 if (len != (size_t) elt->len) { | |
33 goto next; | |
34 } | |
35 | |
36 for (i = 0; i < len; i++) { | |
37 if (name[i] != elt->name[i]) { | |
38 goto next; | |
39 } | |
40 } | |
41 | |
42 return elt->value; | |
43 | |
44 next: | |
45 | |
46 elt = (ngx_hash_elt_t *) ngx_align_ptr(&elt->name[0] + elt->len, | |
47 sizeof(void *)); | |
48 continue; | |
49 } | |
50 | |
51 return NULL; | |
52 } | |
53 | |
54 | |
55 void * | |
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56 ngx_hash_find_wc_head(ngx_hash_wildcard_t *hwc, u_char *name, size_t len) |
589 | 57 { |
58 void *value; | |
59 ngx_uint_t i, n, key; | |
60 | |
61 #if 0 | |
62 ngx_str_t line; | |
63 | |
64 line.len = len; | |
65 line.data = name; | |
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66 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "wch:\"%V\"", &line); |
589 | 67 #endif |
68 | |
69 n = len; | |
70 | |
71 while (n) { | |
72 if (name[n - 1] == '.') { | |
73 break; | |
74 } | |
75 | |
76 n--; | |
77 } | |
78 | |
79 key = 0; | |
80 | |
81 for (i = n; i < len; i++) { | |
82 key = ngx_hash(key, name[i]); | |
83 } | |
84 | |
85 #if 0 | |
86 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "key:\"%ui\"", key); | |
87 #endif | |
88 | |
89 value = ngx_hash_find(&hwc->hash, key, &name[n], len - n); | |
90 | |
91 if (value) { | |
591 | 92 |
93 /* | |
94 * the 2 low bits of value have the special meaning: | |
95 * 00 - value is data pointer, | |
96 * 01 - value is pointer to wildcard hash allowing | |
97 * "*.example.com" only, | |
98 * 11 - value is pointer to wildcard hash allowing | |
99 * both "example.com" and "*.example.com". | |
100 */ | |
101 | |
589 | 102 if ((uintptr_t) value & 1) { |
591 | 103 |
104 hwc = (ngx_hash_wildcard_t *) ((uintptr_t) value & (uintptr_t) ~3); | |
105 | |
106 if (n == 0) { | |
107 if ((uintptr_t) value & 2) { | |
108 return hwc->value; | |
109 | |
110 } else { | |
111 return NULL; | |
112 } | |
113 } | |
589 | 114 |
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115 value = ngx_hash_find_wc_head(hwc, name, n - 1); |
589 | 116 |
117 if (value) { | |
118 return value; | |
119 } | |
120 | |
121 return hwc->value; | |
122 } | |
123 | |
124 return value; | |
125 } | |
126 | |
127 return hwc->value; | |
128 } | |
129 | |
130 | |
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131 void * |
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132 ngx_hash_find_wc_tail(ngx_hash_wildcard_t *hwc, u_char *name, size_t len) |
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133 { |
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134 void *value; |
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135 ngx_uint_t i, key; |
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136 |
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137 #if 0 |
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138 ngx_str_t line; |
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139 |
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140 line.len = len; |
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141 line.data = name; |
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142 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "wct:\"%V\"", &line); |
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143 #endif |
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144 |
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145 key = 0; |
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146 |
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147 for (i = 0; i < len; i++) { |
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148 if (name[i] == '.') { |
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149 break; |
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150 } |
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151 |
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152 key = ngx_hash(key, name[i]); |
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153 } |
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154 |
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155 if (i == len) { |
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156 return NULL; |
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157 } |
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158 |
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159 #if 0 |
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160 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "key:\"%ui\"", key); |
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161 #endif |
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162 |
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163 value = ngx_hash_find(&hwc->hash, key, name, i); |
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164 |
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165 if (value) { |
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166 |
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167 /* |
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168 * the 2 low bits of value have the special meaning: |
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169 * 00 - value is data pointer, |
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170 * 01 - value is pointer to wildcard hash allowing "example.*". |
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171 */ |
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172 |
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173 if ((uintptr_t) value & 1) { |
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174 |
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175 i++; |
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176 |
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177 hwc = (ngx_hash_wildcard_t *) ((uintptr_t) value & (uintptr_t) ~3); |
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178 |
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179 value = ngx_hash_find_wc_tail(hwc, &name[i], len - i); |
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180 |
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181 if (value) { |
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182 return value; |
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183 } |
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184 |
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185 return hwc->value; |
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186 } |
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187 |
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188 return value; |
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189 } |
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190 |
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191 return hwc->value; |
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192 } |
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193 |
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194 |
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195 void * |
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196 ngx_hash_find_combined(ngx_hash_combined_t *hash, ngx_uint_t key, u_char *name, |
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197 size_t len) |
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198 { |
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199 void *value; |
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200 |
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201 if (hash->hash.buckets) { |
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202 value = ngx_hash_find(&hash->hash, key, name, len); |
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203 |
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204 if (value) { |
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205 return value; |
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206 } |
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207 } |
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208 |
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209 if (hash->wc_head && hash->wc_head->hash.buckets) { |
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210 value = ngx_hash_find_wc_head(hash->wc_head, name, len); |
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211 |
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212 if (value) { |
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213 return value; |
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214 } |
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215 } |
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216 |
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217 if (hash->wc_tail && hash->wc_tail->hash.buckets) { |
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218 value = ngx_hash_find_wc_tail(hash->wc_tail, name, len); |
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219 |
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220 if (value) { |
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221 return value; |
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222 } |
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223 } |
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224 |
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225 return NULL; |
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226 } |
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227 |
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Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
228 |
589 | 229 #define NGX_HASH_ELT_SIZE(name) \ |
595 | 230 (sizeof(void *) + ngx_align((name)->key.len + 1, sizeof(void *))) |
589 | 231 |
507 | 232 ngx_int_t |
589 | 233 ngx_hash_init(ngx_hash_init_t *hinit, ngx_hash_key_t *names, ngx_uint_t nelts) |
234 { | |
235 u_char *elts; | |
595 | 236 size_t len; |
237 u_short *test; | |
589 | 238 ngx_uint_t i, n, key, size, start, bucket_size; |
239 ngx_hash_elt_t *elt, **buckets; | |
240 | |
241 for (n = 0; n < nelts; n++) { | |
242 if (names[n].key.len >= 255) { | |
243 ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0, | |
244 "the \"%V\" value to hash is to long: %uz bytes, " | |
245 "the maximum length can be 255 bytes only", | |
246 &names[n].key, names[n].key.len); | |
247 return NGX_ERROR; | |
248 } | |
249 | |
250 if (hinit->bucket_size < NGX_HASH_ELT_SIZE(&names[n]) + sizeof(void *)) | |
251 { | |
252 ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0, | |
595 | 253 "could not build the %s, you should " |
589 | 254 "increase %s_bucket_size: %i", |
255 hinit->name, hinit->name, hinit->bucket_size); | |
256 return NGX_ERROR; | |
257 } | |
258 } | |
259 | |
595 | 260 test = ngx_alloc(hinit->max_size * sizeof(u_short), hinit->pool->log); |
589 | 261 if (test == NULL) { |
262 return NGX_ERROR; | |
263 } | |
264 | |
631 | 265 bucket_size = hinit->bucket_size - sizeof(void *); |
266 | |
746 | 267 start = nelts / (bucket_size / (2 * sizeof(void *))); |
589 | 268 start = start ? start : 1; |
269 | |
631 | 270 if (hinit->max_size > 10000 && hinit->max_size / nelts < 100) { |
271 start = hinit->max_size - 1000; | |
272 } | |
589 | 273 |
274 for (size = start; size < hinit->max_size; size++) { | |
275 | |
595 | 276 ngx_memzero(test, size * sizeof(u_short)); |
589 | 277 |
278 for (n = 0; n < nelts; n++) { | |
279 if (names[n].key.data == NULL) { | |
280 continue; | |
281 } | |
282 | |
283 key = names[n].key_hash % size; | |
595 | 284 test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n])); |
589 | 285 |
286 #if 0 | |
287 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
288 "%ui: %ui %ui \"%V\"", | |
289 size, key, test[key], &names[n].key); | |
290 #endif | |
291 | |
595 | 292 if (test[key] > (u_short) bucket_size) { |
589 | 293 goto next; |
294 } | |
295 } | |
296 | |
297 goto found; | |
298 | |
299 next: | |
300 | |
301 continue; | |
302 } | |
303 | |
304 ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0, | |
595 | 305 "could not build the %s, you should increase " |
589 | 306 "either %s_max_size: %i or %s_bucket_size: %i", |
307 hinit->name, hinit->name, hinit->max_size, | |
308 hinit->name, hinit->bucket_size); | |
309 | |
310 ngx_free(test); | |
311 | |
312 return NGX_ERROR; | |
313 | |
314 found: | |
315 | |
316 for (i = 0; i < size; i++) { | |
317 test[i] = sizeof(void *); | |
318 } | |
319 | |
320 for (n = 0; n < nelts; n++) { | |
321 if (names[n].key.data == NULL) { | |
322 continue; | |
323 } | |
324 | |
325 key = names[n].key_hash % size; | |
595 | 326 test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n])); |
589 | 327 } |
328 | |
329 len = 0; | |
330 | |
331 for (i = 0; i < size; i++) { | |
332 if (test[i] == sizeof(void *)) { | |
333 continue; | |
334 } | |
335 | |
595 | 336 test[i] = (u_short) (ngx_align(test[i], ngx_cacheline_size)); |
589 | 337 |
338 len += test[i]; | |
339 } | |
340 | |
341 if (hinit->hash == NULL) { | |
342 hinit->hash = ngx_pcalloc(hinit->pool, sizeof(ngx_hash_wildcard_t) | |
343 + size * sizeof(ngx_hash_elt_t *)); | |
344 if (hinit->hash == NULL) { | |
345 ngx_free(test); | |
346 return NGX_ERROR; | |
347 } | |
348 | |
349 buckets = (ngx_hash_elt_t **) | |
350 ((u_char *) hinit->hash + sizeof(ngx_hash_wildcard_t)); | |
351 | |
352 } else { | |
353 buckets = ngx_pcalloc(hinit->pool, size * sizeof(ngx_hash_elt_t *)); | |
354 if (buckets == NULL) { | |
355 ngx_free(test); | |
356 return NGX_ERROR; | |
357 } | |
358 } | |
359 | |
360 elts = ngx_palloc(hinit->pool, len + ngx_cacheline_size); | |
361 if (elts == NULL) { | |
362 ngx_free(test); | |
363 return NGX_ERROR; | |
364 } | |
365 | |
366 elts = ngx_align_ptr(elts, ngx_cacheline_size); | |
367 | |
368 for (i = 0; i < size; i++) { | |
369 if (test[i] == sizeof(void *)) { | |
370 continue; | |
371 } | |
372 | |
373 buckets[i] = (ngx_hash_elt_t *) elts; | |
374 elts += test[i]; | |
375 | |
376 } | |
377 | |
378 for (i = 0; i < size; i++) { | |
379 test[i] = 0; | |
380 } | |
381 | |
382 for (n = 0; n < nelts; n++) { | |
383 if (names[n].key.data == NULL) { | |
384 continue; | |
385 } | |
386 | |
387 key = names[n].key_hash % size; | |
388 elt = (ngx_hash_elt_t *) ((u_char *) buckets[key] + test[key]); | |
389 | |
390 elt->value = names[n].value; | |
391 elt->len = (u_char) names[n].key.len; | |
392 | |
2135 | 393 ngx_strlow(elt->name, names[n].key.data, names[n].key.len); |
589 | 394 |
595 | 395 test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n])); |
589 | 396 } |
397 | |
398 for (i = 0; i < size; i++) { | |
399 if (buckets[i] == NULL) { | |
400 continue; | |
401 } | |
402 | |
403 elt = (ngx_hash_elt_t *) ((u_char *) buckets[i] + test[i]); | |
404 | |
405 elt->value = NULL; | |
406 } | |
407 | |
408 ngx_free(test); | |
409 | |
410 hinit->hash->buckets = buckets; | |
411 hinit->hash->size = size; | |
412 | |
413 #if 0 | |
414 | |
415 for (i = 0; i < size; i++) { | |
416 ngx_str_t val; | |
417 ngx_uint_t key; | |
418 | |
419 elt = buckets[i]; | |
420 | |
421 if (elt == NULL) { | |
422 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
423 "%ui: NULL", i); | |
424 continue; | |
425 } | |
426 | |
427 while (elt->value) { | |
428 val.len = elt->len; | |
429 val.data = &elt->name[0]; | |
430 | |
431 key = hinit->key(val.data, val.len); | |
432 | |
433 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
434 "%ui: %p \"%V\" %ui", i, elt, &val, key); | |
435 | |
436 elt = (ngx_hash_elt_t *) ngx_align_ptr(&elt->name[0] + elt->len, | |
437 sizeof(void *)); | |
438 } | |
439 } | |
440 | |
441 #endif | |
442 | |
443 return NGX_OK; | |
444 } | |
445 | |
446 | |
447 ngx_int_t | |
448 ngx_hash_wildcard_init(ngx_hash_init_t *hinit, ngx_hash_key_t *names, | |
449 ngx_uint_t nelts) | |
450 { | |
593 | 451 size_t len, dot_len; |
591 | 452 ngx_uint_t i, n, dot; |
589 | 453 ngx_array_t curr_names, next_names; |
454 ngx_hash_key_t *name, *next_name; | |
455 ngx_hash_init_t h; | |
456 ngx_hash_wildcard_t *wdc; | |
457 | |
458 if (ngx_array_init(&curr_names, hinit->temp_pool, nelts, | |
459 sizeof(ngx_hash_key_t)) | |
460 != NGX_OK) | |
461 { | |
462 return NGX_ERROR; | |
463 } | |
464 | |
465 if (ngx_array_init(&next_names, hinit->temp_pool, nelts, | |
466 sizeof(ngx_hash_key_t)) | |
467 != NGX_OK) | |
468 { | |
469 return NGX_ERROR; | |
470 } | |
471 | |
472 for (n = 0; n < nelts; n = i) { | |
473 | |
474 #if 0 | |
475 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
476 "wc0: \"%V\"", &names[n].key); | |
477 #endif | |
478 | |
591 | 479 dot = 0; |
480 | |
589 | 481 for (len = 0; len < names[n].key.len; len++) { |
482 if (names[n].key.data[len] == '.') { | |
591 | 483 dot = 1; |
589 | 484 break; |
485 } | |
486 } | |
487 | |
488 name = ngx_array_push(&curr_names); | |
489 if (name == NULL) { | |
490 return NGX_ERROR; | |
491 } | |
492 | |
591 | 493 name->key.len = len; |
589 | 494 name->key.data = names[n].key.data; |
495 name->key_hash = hinit->key(name->key.data, name->key.len); | |
496 name->value = names[n].value; | |
497 | |
498 #if 0 | |
499 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
593 | 500 "wc1: \"%V\" %ui", &name->key, dot); |
589 | 501 #endif |
502 | |
593 | 503 dot_len = len + 1; |
504 | |
591 | 505 if (dot) { |
506 len++; | |
507 } | |
508 | |
589 | 509 next_names.nelts = 0; |
510 | |
511 if (names[n].key.len != len) { | |
512 next_name = ngx_array_push(&next_names); | |
513 if (next_name == NULL) { | |
514 return NGX_ERROR; | |
515 } | |
516 | |
517 next_name->key.len = names[n].key.len - len; | |
518 next_name->key.data = names[n].key.data + len; | |
519 next_name->key_hash= 0; | |
520 next_name->value = names[n].value; | |
521 | |
522 #if 0 | |
523 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
524 "wc2: \"%V\"", &next_name->key); | |
525 #endif | |
526 } | |
527 | |
528 for (i = n + 1; i < nelts; i++) { | |
529 if (ngx_strncmp(names[n].key.data, names[i].key.data, len) != 0) { | |
530 break; | |
531 } | |
532 | |
593 | 533 if (!dot |
534 && names[i].key.len > len | |
535 && names[i].key.data[len] != '.') | |
536 { | |
537 break; | |
538 } | |
539 | |
589 | 540 next_name = ngx_array_push(&next_names); |
541 if (next_name == NULL) { | |
542 return NGX_ERROR; | |
543 } | |
544 | |
593 | 545 next_name->key.len = names[i].key.len - dot_len; |
546 next_name->key.data = names[i].key.data + dot_len; | |
589 | 547 next_name->key_hash= 0; |
548 next_name->value = names[i].value; | |
549 | |
550 #if 0 | |
551 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
591 | 552 "wc3: \"%V\"", &next_name->key); |
589 | 553 #endif |
554 } | |
555 | |
556 if (next_names.nelts) { | |
593 | 557 |
589 | 558 h = *hinit; |
559 h.hash = NULL; | |
560 | |
561 if (ngx_hash_wildcard_init(&h, (ngx_hash_key_t *) next_names.elts, | |
562 next_names.nelts) | |
563 != NGX_OK) | |
564 { | |
565 return NGX_ERROR; | |
566 } | |
567 | |
568 wdc = (ngx_hash_wildcard_t *) h.hash; | |
569 | |
570 if (names[n].key.len == len) { | |
571 wdc->value = names[n].value; | |
572 #if 0 | |
593 | 573 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, |
574 "wdc: \"%V\"", wdc->value); | |
589 | 575 #endif |
576 } | |
577 | |
591 | 578 name->value = (void *) ((uintptr_t) wdc | (dot ? 1 : 3)); |
589 | 579 } |
580 } | |
581 | |
582 if (ngx_hash_init(hinit, (ngx_hash_key_t *) curr_names.elts, | |
583 curr_names.nelts) | |
584 != NGX_OK) | |
585 { | |
586 return NGX_ERROR; | |
587 } | |
588 | |
589 return NGX_OK; | |
590 } | |
591 | |
592 | |
593 ngx_uint_t | |
594 ngx_hash_key(u_char *data, size_t len) | |
595 { | |
596 ngx_uint_t i, key; | |
597 | |
598 key = 0; | |
599 | |
600 for (i = 0; i < len; i++) { | |
601 key = ngx_hash(key, data[i]); | |
602 } | |
603 | |
604 return key; | |
605 } | |
606 | |
607 | |
608 ngx_uint_t | |
609 ngx_hash_key_lc(u_char *data, size_t len) | |
610 { | |
611 ngx_uint_t i, key; | |
612 | |
613 key = 0; | |
614 | |
615 for (i = 0; i < len; i++) { | |
616 key = ngx_hash(key, ngx_tolower(data[i])); | |
617 } | |
618 | |
619 return key; | |
620 } | |
621 | |
622 | |
623 ngx_int_t | |
593 | 624 ngx_hash_keys_array_init(ngx_hash_keys_arrays_t *ha, ngx_uint_t type) |
625 { | |
626 ngx_uint_t asize; | |
627 | |
628 if (type == NGX_HASH_SMALL) { | |
629 asize = 4; | |
630 ha->hsize = 107; | |
631 | |
632 } else { | |
633 asize = NGX_HASH_LARGE_ASIZE; | |
634 ha->hsize = NGX_HASH_LARGE_HSIZE; | |
635 } | |
636 | |
637 if (ngx_array_init(&ha->keys, ha->temp_pool, asize, sizeof(ngx_hash_key_t)) | |
638 != NGX_OK) | |
639 { | |
640 return NGX_ERROR; | |
641 } | |
642 | |
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8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
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643 if (ngx_array_init(&ha->dns_wc_head, ha->temp_pool, asize, |
8ef04207c84f
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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644 sizeof(ngx_hash_key_t)) |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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645 != NGX_OK) |
8ef04207c84f
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Igor Sysoev <igor@sysoev.ru>
parents:
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646 { |
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647 return NGX_ERROR; |
8ef04207c84f
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parents:
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648 } |
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Igor Sysoev <igor@sysoev.ru>
parents:
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649 |
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650 if (ngx_array_init(&ha->dns_wc_tail, ha->temp_pool, asize, |
593 | 651 sizeof(ngx_hash_key_t)) |
652 != NGX_OK) | |
653 { | |
654 return NGX_ERROR; | |
655 } | |
656 | |
657 ha->keys_hash = ngx_pcalloc(ha->temp_pool, sizeof(ngx_array_t) * ha->hsize); | |
658 if (ha->keys_hash == NULL) { | |
659 return NGX_ERROR; | |
660 } | |
661 | |
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parents:
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diff
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662 ha->dns_wc_head_hash = ngx_pcalloc(ha->temp_pool, |
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parents:
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663 sizeof(ngx_array_t) * ha->hsize); |
8ef04207c84f
the "www.example.*" wildcard hash support
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parents:
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diff
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664 if (ha->dns_wc_head_hash == NULL) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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665 return NGX_ERROR; |
8ef04207c84f
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Igor Sysoev <igor@sysoev.ru>
parents:
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666 } |
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parents:
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667 |
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668 ha->dns_wc_tail_hash = ngx_pcalloc(ha->temp_pool, |
8ef04207c84f
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diff
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669 sizeof(ngx_array_t) * ha->hsize); |
8ef04207c84f
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parents:
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diff
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670 if (ha->dns_wc_tail_hash == NULL) { |
593 | 671 return NGX_ERROR; |
672 } | |
673 | |
674 return NGX_OK; | |
675 } | |
676 | |
677 | |
678 ngx_int_t | |
679 ngx_hash_add_key(ngx_hash_keys_arrays_t *ha, ngx_str_t *key, void *value, | |
680 ngx_uint_t flags) | |
681 { | |
682 size_t len; | |
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683 u_char *p; |
593 | 684 ngx_str_t *name; |
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685 ngx_uint_t i, k, n, skip, last; |
8ef04207c84f
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parents:
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diff
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686 ngx_array_t *keys, *hwc; |
593 | 687 ngx_hash_key_t *hk; |
688 | |
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689 last = key->len; |
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690 |
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691 if (flags & NGX_HASH_WILDCARD_KEY) { |
593 | 692 |
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693 /* |
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694 * supported wildcards: |
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695 * "*.example.com", ".example.com", and "www.example.*" |
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696 */ |
593 | 697 |
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698 n = 0; |
593 | 699 |
700 for (i = 0; i < key->len; i++) { | |
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701 |
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702 if (key->data[i] == '*') { |
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703 if (++n > 1) { |
8ef04207c84f
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parents:
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704 return NGX_DECLINED; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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705 } |
8ef04207c84f
the "www.example.*" wildcard hash support
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706 } |
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707 |
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746
diff
changeset
|
708 if (key->data[i] == '.' && key->data[i + 1] == '.') { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
709 return NGX_DECLINED; |
597 | 710 } |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
711 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
712 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
713 if (key->len > 1 && key->data[0] == '.') { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
714 skip = 1; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
715 goto wildcard; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
716 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
717 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
718 if (key->len > 2) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
719 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
720 if (key->data[0] == '*' && key->data[1] == '.') { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
721 skip = 2; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
722 goto wildcard; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
723 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
724 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
725 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
|
726 skip = 0; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
727 last -= 2; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
728 goto wildcard; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
729 } |
593 | 730 } |
731 | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
732 if (n) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
733 return NGX_DECLINED; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
734 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
735 } |
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 /* exact hash */ |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
738 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
739 k = 0; |
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 for (i = 0; i < last; i++) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
742 if (!(flags & NGX_HASH_READONLY_KEY)) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
743 key->data[i] = ngx_tolower(key->data[i]); |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
744 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
745 k = ngx_hash(k, key->data[i]); |
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 k %= ha->hsize; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
749 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
750 /* check conflicts in exact hash */ |
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 name = ha->keys_hash[k].elts; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
753 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
754 if (name) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
755 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
|
756 if (last != name[i].len) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
757 continue; |
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 (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
|
761 return NGX_BUSY; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
762 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
763 } |
593 | 764 |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
765 } else { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
766 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
|
767 sizeof(ngx_str_t)) |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
768 != NGX_OK) |
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 return NGX_ERROR; |
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 } |
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 name = ngx_array_push(&ha->keys_hash[k]); |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
775 if (name == NULL) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
776 return NGX_ERROR; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
777 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
778 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
779 *name = *key; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
780 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
781 hk = ngx_array_push(&ha->keys); |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
782 if (hk == NULL) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
783 return NGX_ERROR; |
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 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
786 hk->key = *key; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
787 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
|
788 hk->value = value; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
789 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
790 return NGX_OK; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
791 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
792 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
793 wildcard: |
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 /* wildcard hash */ |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
796 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
797 k = 0; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
798 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
799 for (i = skip; i < last; i++) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
800 key->data[i] = ngx_tolower(key->data[i]); |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
801 k = ngx_hash(k, key->data[i]); |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
802 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
803 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
804 k %= ha->hsize; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
805 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
806 if (skip == 1) { |
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 /* check conflicts in exact hash for ".example.com" */ |
593 | 809 |
810 name = ha->keys_hash[k].elts; | |
811 | |
812 if (name) { | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
813 len = last - skip; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
814 |
593 | 815 for (i = 0; i < ha->keys_hash[k].nelts; i++) { |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
816 if (len != name[i].len) { |
593 | 817 continue; |
818 } | |
819 | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
820 if (ngx_strncmp(&key->data[1], name[i].data, len) == 0) { |
593 | 821 return NGX_BUSY; |
822 } | |
823 } | |
824 | |
825 } else { | |
826 if (ngx_array_init(&ha->keys_hash[k], ha->temp_pool, 4, | |
827 sizeof(ngx_str_t)) | |
828 != NGX_OK) | |
829 { | |
830 return NGX_ERROR; | |
831 } | |
832 } | |
833 | |
834 name = ngx_array_push(&ha->keys_hash[k]); | |
835 if (name == NULL) { | |
836 return NGX_ERROR; | |
837 } | |
838 | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
839 name->len = last - 1; |
2049 | 840 name->data = ngx_pnalloc(ha->temp_pool, name->len); |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
841 if (name->data == NULL) { |
593 | 842 return NGX_ERROR; |
843 } | |
844 | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
845 ngx_memcpy(name->data, &key->data[1], name->len); |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
846 } |
593 | 847 |
848 | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
849 if (skip) { |
593 | 850 |
851 /* | |
852 * convert "*.example.com" to "com.example.\0" | |
853 * and ".example.com" to "com.example\0" | |
854 */ | |
855 | |
2049 | 856 p = ngx_pnalloc(ha->temp_pool, last); |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
857 if (p == NULL) { |
619 | 858 return NGX_ERROR; |
859 } | |
860 | |
593 | 861 len = 0; |
862 n = 0; | |
863 | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
864 for (i = last - 1; i; i--) { |
593 | 865 if (key->data[i] == '.') { |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
866 ngx_memcpy(&p[n], &key->data[i + 1], len); |
593 | 867 n += len; |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
868 p[n++] = '.'; |
593 | 869 len = 0; |
870 continue; | |
871 } | |
872 | |
873 len++; | |
874 } | |
875 | |
876 if (len) { | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
877 ngx_memcpy(&p[n], &key->data[1], len); |
593 | 878 n += len; |
879 } | |
880 | |
1253
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881 p[n] = '\0'; |
619 | 882 |
1253
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883 hwc = &ha->dns_wc_head; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
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884 keys = &ha->dns_wc_head_hash[k]; |
8ef04207c84f
the "www.example.*" wildcard hash support
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885 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
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886 } else { |
619 | 887 |
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Igor Sysoev <igor@sysoev.ru>
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888 /* convert "www.example.*" to "www.example\0" */ |
619 | 889 |
1253
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the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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890 last++; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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891 |
2049 | 892 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>
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893 if (p == NULL) { |
d83687d29853
fix trailing wildcard when two or more listen used in one server
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894 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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895 } |
d83687d29853
fix trailing wildcard when two or more listen used in one server
Igor Sysoev <igor@sysoev.ru>
parents:
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896 |
1492 | 897 ngx_cpystrn(p, key->data, last); |
1415
d83687d29853
fix trailing wildcard when two or more listen used in one server
Igor Sysoev <igor@sysoev.ru>
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898 |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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899 hwc = &ha->dns_wc_tail; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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900 keys = &ha->dns_wc_tail_hash[k]; |
8ef04207c84f
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901 } |
593 | 902 |
903 | |
1253
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Igor Sysoev <igor@sysoev.ru>
parents:
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904 hk = ngx_array_push(hwc); |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
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905 if (hk == NULL) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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906 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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907 } |
593 | 908 |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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909 hk->key.len = last - 1; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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910 hk->key.data = p; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
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changeset
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911 hk->key_hash = 0; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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912 hk->value = value; |
593 | 913 |
914 | |
1253
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the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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915 /* check conflicts in wildcard hash */ |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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|
916 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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917 name = keys->elts; |
593 | 918 |
1253
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the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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919 if (name) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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920 len = last - skip; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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921 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
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922 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
|
923 if (len != name[i].len) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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924 continue; |
593 | 925 } |
926 | |
1253
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Igor Sysoev <igor@sysoev.ru>
parents:
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927 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
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928 return NGX_BUSY; |
593 | 929 } |
930 } | |
931 | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
932 } else { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
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changeset
|
933 if (ngx_array_init(keys, ha->temp_pool, 4, sizeof(ngx_str_t)) != NGX_OK) |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
934 { |
593 | 935 return NGX_ERROR; |
936 } | |
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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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diff
changeset
|
939 name = ngx_array_push(keys); |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
940 if (name == NULL) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
941 return NGX_ERROR; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
942 } |
619 | 943 |
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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|
944 name->len = last - skip; |
2049 | 945 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
|
946 if (name->data == NULL) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
947 return NGX_ERROR; |
593 | 948 } |
949 | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
950 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
changeset
|
951 |
593 | 952 return NGX_OK; |
953 } |