Mercurial > hg > nginx
annotate src/core/ngx_hash.c @ 5635:c348dea081fb
Core: hash now ignores bucket_size if it hits max_size limit.
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Mon, 31 Mar 2014 21:40:31 +0400 |
| parents | d2ed9fee092b |
| children | 54f847c88cf7 |
| rev | line source |
|---|---|
| 507 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4412 | 4 * Copyright (C) Nginx, Inc. |
| 507 | 5 */ |
| 6 | |
| 7 | |
| 8 #include <ngx_config.h> | |
| 9 #include <ngx_core.h> | |
| 10 | |
| 11 | |
| 589 | 12 void * |
| 13 ngx_hash_find(ngx_hash_t *hash, ngx_uint_t key, u_char *name, size_t len) | |
| 14 { | |
| 15 ngx_uint_t i; | |
| 16 ngx_hash_elt_t *elt; | |
| 17 | |
| 18 #if 0 | |
| 2155 | 19 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "hf:\"%*s\"", len, name); |
| 589 | 20 #endif |
| 21 | |
| 22 elt = hash->buckets[key % hash->size]; | |
| 23 | |
| 24 if (elt == NULL) { | |
| 25 return NULL; | |
| 26 } | |
| 27 | |
| 28 while (elt->value) { | |
| 29 if (len != (size_t) elt->len) { | |
| 30 goto next; | |
| 31 } | |
| 32 | |
| 33 for (i = 0; i < len; i++) { | |
| 34 if (name[i] != elt->name[i]) { | |
| 35 goto next; | |
| 36 } | |
| 37 } | |
| 38 | |
| 39 return elt->value; | |
| 40 | |
| 41 next: | |
| 42 | |
| 43 elt = (ngx_hash_elt_t *) ngx_align_ptr(&elt->name[0] + elt->len, | |
| 44 sizeof(void *)); | |
| 45 continue; | |
| 46 } | |
| 47 | |
| 48 return NULL; | |
| 49 } | |
| 50 | |
| 51 | |
| 52 void * | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
53 ngx_hash_find_wc_head(ngx_hash_wildcard_t *hwc, u_char *name, size_t len) |
| 589 | 54 { |
| 55 void *value; | |
| 56 ngx_uint_t i, n, key; | |
| 57 | |
| 58 #if 0 | |
| 2155 | 59 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "wch:\"%*s\"", len, name); |
| 589 | 60 #endif |
| 61 | |
| 62 n = len; | |
| 63 | |
| 64 while (n) { | |
| 65 if (name[n - 1] == '.') { | |
| 66 break; | |
| 67 } | |
| 68 | |
| 69 n--; | |
| 70 } | |
| 71 | |
| 72 key = 0; | |
| 73 | |
| 74 for (i = n; i < len; i++) { | |
| 75 key = ngx_hash(key, name[i]); | |
| 76 } | |
| 77 | |
| 78 #if 0 | |
| 79 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "key:\"%ui\"", key); | |
| 80 #endif | |
| 81 | |
| 82 value = ngx_hash_find(&hwc->hash, key, &name[n], len - n); | |
| 83 | |
| 2149 | 84 #if 0 |
| 85 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "value:\"%p\"", value); | |
| 86 #endif | |
| 87 | |
| 589 | 88 if (value) { |
| 591 | 89 |
| 90 /* | |
| 91 * the 2 low bits of value have the special meaning: | |
|
2168
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
92 * 00 - value is data pointer for both "example.com" |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
93 * and "*.example.com"; |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
94 * 01 - value is data pointer for "*.example.com" only; |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
95 * 10 - value is pointer to wildcard hash allowing |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
96 * both "example.com" and "*.example.com"; |
| 591 | 97 * 11 - value is pointer to wildcard hash allowing |
|
2168
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
98 * "*.example.com" only. |
| 591 | 99 */ |
| 100 | |
|
2168
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
101 if ((uintptr_t) value & 2) { |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
102 |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
103 if (n == 0) { |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
104 |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
105 /* "example.com" */ |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
106 |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
107 if ((uintptr_t) value & 1) { |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
108 return NULL; |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
109 } |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
110 |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
111 hwc = (ngx_hash_wildcard_t *) |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
112 ((uintptr_t) value & (uintptr_t) ~3); |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
113 return hwc->value; |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
114 } |
| 591 | 115 |
| 116 hwc = (ngx_hash_wildcard_t *) ((uintptr_t) value & (uintptr_t) ~3); | |
| 117 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
118 value = ngx_hash_find_wc_head(hwc, name, n - 1); |
| 589 | 119 |
| 120 if (value) { | |
| 121 return value; | |
| 122 } | |
| 123 | |
| 124 return hwc->value; | |
| 125 } | |
| 126 | |
|
2168
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
127 if ((uintptr_t) value & 1) { |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
128 |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
129 if (n == 0) { |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
130 |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
131 /* "example.com" */ |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
132 |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
133 return NULL; |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
134 } |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
135 |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
136 return (void *) ((uintptr_t) value & (uintptr_t) ~3); |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
137 } |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
138 |
| 589 | 139 return value; |
| 140 } | |
| 141 | |
| 142 return hwc->value; | |
| 143 } | |
| 144 | |
| 145 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
146 void * |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
147 ngx_hash_find_wc_tail(ngx_hash_wildcard_t *hwc, u_char *name, size_t len) |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
148 { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
149 void *value; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
150 ngx_uint_t i, key; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
151 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
152 #if 0 |
| 2155 | 153 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "wct:\"%*s\"", len, name); |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
154 #endif |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
155 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
156 key = 0; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
157 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
158 for (i = 0; i < len; i++) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
159 if (name[i] == '.') { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
160 break; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
161 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
162 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
163 key = ngx_hash(key, name[i]); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
164 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
165 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
166 if (i == len) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
167 return NULL; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
168 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
169 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
170 #if 0 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
171 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "key:\"%ui\"", key); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
172 #endif |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
173 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
174 value = ngx_hash_find(&hwc->hash, key, name, i); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
175 |
| 2155 | 176 #if 0 |
| 177 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "value:\"%p\"", value); | |
| 178 #endif | |
| 179 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
180 if (value) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
181 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
182 /* |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
183 * the 2 low bits of value have the special meaning: |
|
2168
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
184 * 00 - value is data pointer; |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
185 * 11 - value is pointer to wildcard hash allowing "example.*". |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
186 */ |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
187 |
|
2168
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
188 if ((uintptr_t) value & 2) { |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
189 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
190 i++; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
191 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
192 hwc = (ngx_hash_wildcard_t *) ((uintptr_t) value & (uintptr_t) ~3); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
193 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
194 value = ngx_hash_find_wc_tail(hwc, &name[i], len - i); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
195 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
196 if (value) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
197 return value; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
198 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
199 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
200 return hwc->value; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
201 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
202 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
203 return value; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
204 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
205 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
206 return hwc->value; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
207 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
208 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
209 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
210 void * |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
211 ngx_hash_find_combined(ngx_hash_combined_t *hash, ngx_uint_t key, u_char *name, |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
212 size_t len) |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
213 { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
214 void *value; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
215 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
216 if (hash->hash.buckets) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
217 value = ngx_hash_find(&hash->hash, key, name, len); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
218 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
219 if (value) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
220 return value; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
221 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
222 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
223 |
| 2195 | 224 if (len == 0) { |
| 225 return NULL; | |
| 226 } | |
| 227 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
228 if (hash->wc_head && hash->wc_head->hash.buckets) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
229 value = ngx_hash_find_wc_head(hash->wc_head, name, len); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
230 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
231 if (value) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
232 return value; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
233 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
234 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
235 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
236 if (hash->wc_tail && hash->wc_tail->hash.buckets) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
237 value = ngx_hash_find_wc_tail(hash->wc_tail, name, len); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
238 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
239 if (value) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
240 return value; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
241 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
242 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
243 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
244 return NULL; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
245 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
246 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
247 |
| 589 | 248 #define NGX_HASH_ELT_SIZE(name) \ |
|
3510
4c70bbdfd076
allow hash key values more than 255 bytes, it does not actually increase mean
Igor Sysoev <igor@sysoev.ru>
parents:
3118
diff
changeset
|
249 (sizeof(void *) + ngx_align((name)->key.len + 2, sizeof(void *))) |
| 589 | 250 |
| 507 | 251 ngx_int_t |
| 589 | 252 ngx_hash_init(ngx_hash_init_t *hinit, ngx_hash_key_t *names, ngx_uint_t nelts) |
| 253 { | |
| 254 u_char *elts; | |
| 595 | 255 size_t len; |
| 256 u_short *test; | |
| 589 | 257 ngx_uint_t i, n, key, size, start, bucket_size; |
| 258 ngx_hash_elt_t *elt, **buckets; | |
| 259 | |
| 260 for (n = 0; n < nelts; n++) { | |
| 261 if (hinit->bucket_size < NGX_HASH_ELT_SIZE(&names[n]) + sizeof(void *)) | |
| 262 { | |
| 263 ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0, | |
| 595 | 264 "could not build the %s, you should " |
| 589 | 265 "increase %s_bucket_size: %i", |
| 266 hinit->name, hinit->name, hinit->bucket_size); | |
| 267 return NGX_ERROR; | |
| 268 } | |
| 269 } | |
| 270 | |
| 595 | 271 test = ngx_alloc(hinit->max_size * sizeof(u_short), hinit->pool->log); |
| 589 | 272 if (test == NULL) { |
| 273 return NGX_ERROR; | |
| 274 } | |
| 275 | |
| 631 | 276 bucket_size = hinit->bucket_size - sizeof(void *); |
| 277 | |
| 746 | 278 start = nelts / (bucket_size / (2 * sizeof(void *))); |
| 589 | 279 start = start ? start : 1; |
| 280 | |
|
4404
840f3e768ef8
Fixed division by zero exception in ngx_hash_init().
Valentin Bartenev <vbart@nginx.com>
parents:
3510
diff
changeset
|
281 if (hinit->max_size > 10000 && nelts && hinit->max_size / nelts < 100) { |
| 631 | 282 start = hinit->max_size - 1000; |
| 283 } | |
| 589 | 284 |
| 285 for (size = start; size < hinit->max_size; size++) { | |
| 286 | |
| 595 | 287 ngx_memzero(test, size * sizeof(u_short)); |
| 589 | 288 |
| 289 for (n = 0; n < nelts; n++) { | |
| 290 if (names[n].key.data == NULL) { | |
| 291 continue; | |
| 292 } | |
| 293 | |
| 294 key = names[n].key_hash % size; | |
| 595 | 295 test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n])); |
| 589 | 296 |
| 297 #if 0 | |
| 298 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
| 299 "%ui: %ui %ui \"%V\"", | |
| 300 size, key, test[key], &names[n].key); | |
| 301 #endif | |
| 302 | |
| 595 | 303 if (test[key] > (u_short) bucket_size) { |
| 589 | 304 goto next; |
| 305 } | |
| 306 } | |
| 307 | |
| 308 goto found; | |
| 309 | |
| 310 next: | |
| 311 | |
| 312 continue; | |
| 313 } | |
| 314 | |
|
5635
c348dea081fb
Core: hash now ignores bucket_size if it hits max_size limit.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4689
diff
changeset
|
315 ngx_log_error(NGX_LOG_WARN, hinit->pool->log, 0, |
|
c348dea081fb
Core: hash now ignores bucket_size if it hits max_size limit.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4689
diff
changeset
|
316 "could not build optimal %s, you should increase " |
|
c348dea081fb
Core: hash now ignores bucket_size if it hits max_size limit.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4689
diff
changeset
|
317 "either %s_max_size: %i or %s_bucket_size: %i; " |
|
c348dea081fb
Core: hash now ignores bucket_size if it hits max_size limit.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4689
diff
changeset
|
318 "ignoring %s_bucket_size", |
| 589 | 319 hinit->name, hinit->name, hinit->max_size, |
|
5635
c348dea081fb
Core: hash now ignores bucket_size if it hits max_size limit.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4689
diff
changeset
|
320 hinit->name, hinit->bucket_size, hinit->name); |
| 589 | 321 |
| 322 found: | |
| 323 | |
| 324 for (i = 0; i < size; i++) { | |
| 325 test[i] = sizeof(void *); | |
| 326 } | |
| 327 | |
| 328 for (n = 0; n < nelts; n++) { | |
| 329 if (names[n].key.data == NULL) { | |
| 330 continue; | |
| 331 } | |
| 332 | |
| 333 key = names[n].key_hash % size; | |
| 595 | 334 test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n])); |
| 589 | 335 } |
| 336 | |
| 337 len = 0; | |
| 338 | |
| 339 for (i = 0; i < size; i++) { | |
| 340 if (test[i] == sizeof(void *)) { | |
| 341 continue; | |
| 342 } | |
| 343 | |
| 595 | 344 test[i] = (u_short) (ngx_align(test[i], ngx_cacheline_size)); |
| 589 | 345 |
| 346 len += test[i]; | |
| 347 } | |
| 348 | |
| 349 if (hinit->hash == NULL) { | |
| 350 hinit->hash = ngx_pcalloc(hinit->pool, sizeof(ngx_hash_wildcard_t) | |
| 351 + size * sizeof(ngx_hash_elt_t *)); | |
| 352 if (hinit->hash == NULL) { | |
| 353 ngx_free(test); | |
| 354 return NGX_ERROR; | |
| 355 } | |
| 356 | |
| 357 buckets = (ngx_hash_elt_t **) | |
| 358 ((u_char *) hinit->hash + sizeof(ngx_hash_wildcard_t)); | |
| 359 | |
| 360 } else { | |
| 361 buckets = ngx_pcalloc(hinit->pool, size * sizeof(ngx_hash_elt_t *)); | |
| 362 if (buckets == NULL) { | |
| 363 ngx_free(test); | |
| 364 return NGX_ERROR; | |
| 365 } | |
| 366 } | |
| 367 | |
| 368 elts = ngx_palloc(hinit->pool, len + ngx_cacheline_size); | |
| 369 if (elts == NULL) { | |
| 370 ngx_free(test); | |
| 371 return NGX_ERROR; | |
| 372 } | |
| 373 | |
| 374 elts = ngx_align_ptr(elts, ngx_cacheline_size); | |
| 375 | |
| 376 for (i = 0; i < size; i++) { | |
| 377 if (test[i] == sizeof(void *)) { | |
| 378 continue; | |
| 379 } | |
| 380 | |
| 381 buckets[i] = (ngx_hash_elt_t *) elts; | |
| 382 elts += test[i]; | |
| 383 | |
| 384 } | |
| 385 | |
| 386 for (i = 0; i < size; i++) { | |
| 387 test[i] = 0; | |
| 388 } | |
| 389 | |
| 390 for (n = 0; n < nelts; n++) { | |
| 391 if (names[n].key.data == NULL) { | |
| 392 continue; | |
| 393 } | |
| 394 | |
| 395 key = names[n].key_hash % size; | |
| 396 elt = (ngx_hash_elt_t *) ((u_char *) buckets[key] + test[key]); | |
| 397 | |
| 398 elt->value = names[n].value; | |
|
3510
4c70bbdfd076
allow hash key values more than 255 bytes, it does not actually increase mean
Igor Sysoev <igor@sysoev.ru>
parents:
3118
diff
changeset
|
399 elt->len = (u_short) names[n].key.len; |
| 589 | 400 |
| 2135 | 401 ngx_strlow(elt->name, names[n].key.data, names[n].key.len); |
| 589 | 402 |
| 595 | 403 test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n])); |
| 589 | 404 } |
| 405 | |
| 406 for (i = 0; i < size; i++) { | |
| 407 if (buckets[i] == NULL) { | |
| 408 continue; | |
| 409 } | |
| 410 | |
| 411 elt = (ngx_hash_elt_t *) ((u_char *) buckets[i] + test[i]); | |
| 412 | |
| 413 elt->value = NULL; | |
| 414 } | |
| 415 | |
| 416 ngx_free(test); | |
| 417 | |
| 418 hinit->hash->buckets = buckets; | |
| 419 hinit->hash->size = size; | |
| 420 | |
| 421 #if 0 | |
| 422 | |
| 423 for (i = 0; i < size; i++) { | |
| 424 ngx_str_t val; | |
| 425 ngx_uint_t key; | |
| 426 | |
| 427 elt = buckets[i]; | |
| 428 | |
| 429 if (elt == NULL) { | |
| 430 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
| 431 "%ui: NULL", i); | |
| 432 continue; | |
| 433 } | |
| 434 | |
| 435 while (elt->value) { | |
| 436 val.len = elt->len; | |
| 437 val.data = &elt->name[0]; | |
| 438 | |
| 439 key = hinit->key(val.data, val.len); | |
| 440 | |
| 441 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
| 442 "%ui: %p \"%V\" %ui", i, elt, &val, key); | |
| 443 | |
| 444 elt = (ngx_hash_elt_t *) ngx_align_ptr(&elt->name[0] + elt->len, | |
| 445 sizeof(void *)); | |
| 446 } | |
| 447 } | |
| 448 | |
| 449 #endif | |
| 450 | |
| 451 return NGX_OK; | |
| 452 } | |
| 453 | |
| 454 | |
| 455 ngx_int_t | |
| 456 ngx_hash_wildcard_init(ngx_hash_init_t *hinit, ngx_hash_key_t *names, | |
| 457 ngx_uint_t nelts) | |
| 458 { | |
| 593 | 459 size_t len, dot_len; |
| 591 | 460 ngx_uint_t i, n, dot; |
| 589 | 461 ngx_array_t curr_names, next_names; |
| 462 ngx_hash_key_t *name, *next_name; | |
| 463 ngx_hash_init_t h; | |
| 464 ngx_hash_wildcard_t *wdc; | |
| 465 | |
| 466 if (ngx_array_init(&curr_names, hinit->temp_pool, nelts, | |
| 467 sizeof(ngx_hash_key_t)) | |
| 468 != NGX_OK) | |
| 469 { | |
| 470 return NGX_ERROR; | |
| 471 } | |
| 472 | |
| 473 if (ngx_array_init(&next_names, hinit->temp_pool, nelts, | |
| 474 sizeof(ngx_hash_key_t)) | |
| 475 != NGX_OK) | |
| 476 { | |
| 477 return NGX_ERROR; | |
| 478 } | |
| 479 | |
| 480 for (n = 0; n < nelts; n = i) { | |
| 481 | |
| 482 #if 0 | |
| 483 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
| 484 "wc0: \"%V\"", &names[n].key); | |
| 485 #endif | |
| 486 | |
| 591 | 487 dot = 0; |
| 488 | |
| 589 | 489 for (len = 0; len < names[n].key.len; len++) { |
| 490 if (names[n].key.data[len] == '.') { | |
| 591 | 491 dot = 1; |
| 589 | 492 break; |
| 493 } | |
| 494 } | |
| 495 | |
| 496 name = ngx_array_push(&curr_names); | |
| 497 if (name == NULL) { | |
| 498 return NGX_ERROR; | |
| 499 } | |
| 500 | |
| 591 | 501 name->key.len = len; |
| 589 | 502 name->key.data = names[n].key.data; |
| 503 name->key_hash = hinit->key(name->key.data, name->key.len); | |
| 504 name->value = names[n].value; | |
| 505 | |
| 506 #if 0 | |
| 507 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
| 593 | 508 "wc1: \"%V\" %ui", &name->key, dot); |
| 589 | 509 #endif |
| 510 | |
| 593 | 511 dot_len = len + 1; |
| 512 | |
| 591 | 513 if (dot) { |
| 514 len++; | |
| 515 } | |
| 516 | |
| 589 | 517 next_names.nelts = 0; |
| 518 | |
| 519 if (names[n].key.len != len) { | |
| 520 next_name = ngx_array_push(&next_names); | |
| 521 if (next_name == NULL) { | |
| 522 return NGX_ERROR; | |
| 523 } | |
| 524 | |
| 525 next_name->key.len = names[n].key.len - len; | |
| 526 next_name->key.data = names[n].key.data + len; | |
| 3118 | 527 next_name->key_hash = 0; |
| 589 | 528 next_name->value = names[n].value; |
| 529 | |
| 530 #if 0 | |
| 531 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
| 532 "wc2: \"%V\"", &next_name->key); | |
| 533 #endif | |
| 534 } | |
| 535 | |
| 536 for (i = n + 1; i < nelts; i++) { | |
| 537 if (ngx_strncmp(names[n].key.data, names[i].key.data, len) != 0) { | |
| 538 break; | |
| 539 } | |
| 540 | |
| 593 | 541 if (!dot |
| 542 && names[i].key.len > len | |
| 543 && names[i].key.data[len] != '.') | |
| 544 { | |
| 545 break; | |
| 546 } | |
| 547 | |
| 589 | 548 next_name = ngx_array_push(&next_names); |
| 549 if (next_name == NULL) { | |
| 550 return NGX_ERROR; | |
| 551 } | |
| 552 | |
| 593 | 553 next_name->key.len = names[i].key.len - dot_len; |
| 554 next_name->key.data = names[i].key.data + dot_len; | |
| 3118 | 555 next_name->key_hash = 0; |
| 589 | 556 next_name->value = names[i].value; |
| 557 | |
| 558 #if 0 | |
| 559 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
| 591 | 560 "wc3: \"%V\"", &next_name->key); |
| 589 | 561 #endif |
| 562 } | |
| 563 | |
| 564 if (next_names.nelts) { | |
| 593 | 565 |
| 589 | 566 h = *hinit; |
| 567 h.hash = NULL; | |
| 568 | |
| 569 if (ngx_hash_wildcard_init(&h, (ngx_hash_key_t *) next_names.elts, | |
| 570 next_names.nelts) | |
| 571 != NGX_OK) | |
| 572 { | |
| 573 return NGX_ERROR; | |
| 574 } | |
| 575 | |
| 576 wdc = (ngx_hash_wildcard_t *) h.hash; | |
| 577 | |
| 578 if (names[n].key.len == len) { | |
| 579 wdc->value = names[n].value; | |
| 580 } | |
| 581 | |
|
2502
23706c19fab8
fix r2169 for .def.com and .abc.def.com case
Igor Sysoev <igor@sysoev.ru>
parents:
2195
diff
changeset
|
582 name->value = (void *) ((uintptr_t) wdc | (dot ? 3 : 2)); |
|
2168
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
583 |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
584 } else if (dot) { |
|
80924319ba05
fix the case when unset domain.tld was matched by *.domain.tld
Igor Sysoev <igor@sysoev.ru>
parents:
2155
diff
changeset
|
585 name->value = (void *) ((uintptr_t) name->value | 1); |
| 589 | 586 } |
| 587 } | |
| 588 | |
| 589 if (ngx_hash_init(hinit, (ngx_hash_key_t *) curr_names.elts, | |
| 590 curr_names.nelts) | |
| 591 != NGX_OK) | |
| 592 { | |
| 593 return NGX_ERROR; | |
| 594 } | |
| 595 | |
| 596 return NGX_OK; | |
| 597 } | |
| 598 | |
| 599 | |
| 600 ngx_uint_t | |
| 601 ngx_hash_key(u_char *data, size_t len) | |
| 602 { | |
| 603 ngx_uint_t i, key; | |
| 604 | |
| 605 key = 0; | |
| 606 | |
| 607 for (i = 0; i < len; i++) { | |
| 608 key = ngx_hash(key, data[i]); | |
| 609 } | |
| 610 | |
| 611 return key; | |
| 612 } | |
| 613 | |
| 614 | |
| 615 ngx_uint_t | |
| 616 ngx_hash_key_lc(u_char *data, size_t len) | |
| 617 { | |
| 618 ngx_uint_t i, key; | |
| 619 | |
| 620 key = 0; | |
| 621 | |
| 622 for (i = 0; i < len; i++) { | |
| 623 key = ngx_hash(key, ngx_tolower(data[i])); | |
| 624 } | |
| 625 | |
| 626 return key; | |
| 627 } | |
| 628 | |
| 629 | |
| 2136 | 630 ngx_uint_t |
| 631 ngx_hash_strlow(u_char *dst, u_char *src, size_t n) | |
| 632 { | |
| 633 ngx_uint_t key; | |
| 634 | |
| 635 key = 0; | |
| 636 | |
| 637 while (n--) { | |
| 638 *dst = ngx_tolower(*src); | |
| 639 key = ngx_hash(key, *dst); | |
| 640 dst++; | |
| 641 src++; | |
| 642 } | |
| 643 | |
| 644 return key; | |
| 645 } | |
| 646 | |
| 647 | |
| 589 | 648 ngx_int_t |
| 593 | 649 ngx_hash_keys_array_init(ngx_hash_keys_arrays_t *ha, ngx_uint_t type) |
| 650 { | |
| 651 ngx_uint_t asize; | |
| 652 | |
| 653 if (type == NGX_HASH_SMALL) { | |
| 654 asize = 4; | |
| 655 ha->hsize = 107; | |
| 656 | |
| 657 } else { | |
| 658 asize = NGX_HASH_LARGE_ASIZE; | |
| 659 ha->hsize = NGX_HASH_LARGE_HSIZE; | |
| 660 } | |
| 661 | |
| 662 if (ngx_array_init(&ha->keys, ha->temp_pool, asize, sizeof(ngx_hash_key_t)) | |
| 663 != NGX_OK) | |
| 664 { | |
| 665 return NGX_ERROR; | |
| 666 } | |
| 667 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
668 if (ngx_array_init(&ha->dns_wc_head, ha->temp_pool, asize, |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
669 sizeof(ngx_hash_key_t)) |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
670 != NGX_OK) |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
671 { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
672 return NGX_ERROR; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
673 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
674 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
675 if (ngx_array_init(&ha->dns_wc_tail, ha->temp_pool, asize, |
| 593 | 676 sizeof(ngx_hash_key_t)) |
| 677 != NGX_OK) | |
| 678 { | |
| 679 return NGX_ERROR; | |
| 680 } | |
| 681 | |
| 682 ha->keys_hash = ngx_pcalloc(ha->temp_pool, sizeof(ngx_array_t) * ha->hsize); | |
| 683 if (ha->keys_hash == NULL) { | |
| 684 return NGX_ERROR; | |
| 685 } | |
| 686 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
687 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
|
688 sizeof(ngx_array_t) * ha->hsize); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
689 if (ha->dns_wc_head_hash == NULL) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
690 return NGX_ERROR; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
691 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
692 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
693 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
|
694 sizeof(ngx_array_t) * ha->hsize); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
695 if (ha->dns_wc_tail_hash == NULL) { |
| 593 | 696 return NGX_ERROR; |
| 697 } | |
| 698 | |
| 699 return NGX_OK; | |
| 700 } | |
| 701 | |
| 702 | |
| 703 ngx_int_t | |
| 704 ngx_hash_add_key(ngx_hash_keys_arrays_t *ha, ngx_str_t *key, void *value, | |
| 705 ngx_uint_t flags) | |
| 706 { | |
| 707 size_t len; | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
708 u_char *p; |
| 593 | 709 ngx_str_t *name; |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
710 ngx_uint_t i, k, n, skip, last; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
711 ngx_array_t *keys, *hwc; |
| 593 | 712 ngx_hash_key_t *hk; |
| 713 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
714 last = key->len; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
715 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
716 if (flags & NGX_HASH_WILDCARD_KEY) { |
| 593 | 717 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
718 /* |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
719 * supported wildcards: |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
720 * "*.example.com", ".example.com", and "www.example.*" |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
721 */ |
| 593 | 722 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
723 n = 0; |
| 593 | 724 |
| 725 for (i = 0; i < key->len; i++) { | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
726 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
727 if (key->data[i] == '*') { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
728 if (++n > 1) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
729 return NGX_DECLINED; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
730 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
731 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
732 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
733 if (key->data[i] == '.' && key->data[i + 1] == '.') { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
734 return NGX_DECLINED; |
| 597 | 735 } |
|
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 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
738 if (key->len > 1 && key->data[0] == '.') { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
739 skip = 1; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
740 goto wildcard; |
|
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->len > 2) { |
|
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 if (key->data[0] == '*' && key->data[1] == '.') { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
746 skip = 2; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
747 goto wildcard; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
748 } |
|
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 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
|
751 skip = 0; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
752 last -= 2; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
753 goto wildcard; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
754 } |
| 593 | 755 } |
| 756 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
757 if (n) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
758 return NGX_DECLINED; |
|
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 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
761 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
762 /* exact hash */ |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
763 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
764 k = 0; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
765 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
766 for (i = 0; i < last; i++) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
767 if (!(flags & NGX_HASH_READONLY_KEY)) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
768 key->data[i] = ngx_tolower(key->data[i]); |
|
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 k = ngx_hash(k, key->data[i]); |
|
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 k %= ha->hsize; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
774 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
775 /* check conflicts in exact hash */ |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
776 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
777 name = ha->keys_hash[k].elts; |
|
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 if (name) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
780 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
|
781 if (last != name[i].len) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
782 continue; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
783 } |
|
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 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
|
786 return NGX_BUSY; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
787 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
788 } |
| 593 | 789 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
790 } else { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
791 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
|
792 sizeof(ngx_str_t)) |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
793 != NGX_OK) |
|
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 return NGX_ERROR; |
|
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 } |
|
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 name = ngx_array_push(&ha->keys_hash[k]); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
800 if (name == NULL) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
801 return NGX_ERROR; |
|
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 *name = *key; |
|
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 hk = ngx_array_push(&ha->keys); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
807 if (hk == NULL) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
808 return NGX_ERROR; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
809 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
810 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
811 hk->key = *key; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
812 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
|
813 hk->value = value; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
814 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
815 return NGX_OK; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
816 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
817 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
818 wildcard: |
|
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 /* wildcard hash */ |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
821 |
| 2136 | 822 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
|
823 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
824 k %= ha->hsize; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
825 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
826 if (skip == 1) { |
|
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 /* check conflicts in exact hash for ".example.com" */ |
| 593 | 829 |
| 830 name = ha->keys_hash[k].elts; | |
| 831 | |
| 832 if (name) { | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
833 len = last - skip; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
834 |
| 593 | 835 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
|
836 if (len != name[i].len) { |
| 593 | 837 continue; |
| 838 } | |
| 839 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
840 if (ngx_strncmp(&key->data[1], name[i].data, len) == 0) { |
| 593 | 841 return NGX_BUSY; |
| 842 } | |
| 843 } | |
| 844 | |
| 845 } else { | |
| 846 if (ngx_array_init(&ha->keys_hash[k], ha->temp_pool, 4, | |
| 847 sizeof(ngx_str_t)) | |
| 848 != NGX_OK) | |
| 849 { | |
| 850 return NGX_ERROR; | |
| 851 } | |
| 852 } | |
| 853 | |
| 854 name = ngx_array_push(&ha->keys_hash[k]); | |
| 855 if (name == NULL) { | |
| 856 return NGX_ERROR; | |
| 857 } | |
| 858 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
859 name->len = last - 1; |
| 2049 | 860 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
|
861 if (name->data == NULL) { |
| 593 | 862 return NGX_ERROR; |
| 863 } | |
| 864 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
865 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
|
866 } |
| 593 | 867 |
| 868 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
869 if (skip) { |
| 593 | 870 |
| 871 /* | |
| 872 * convert "*.example.com" to "com.example.\0" | |
| 873 * and ".example.com" to "com.example\0" | |
| 874 */ | |
| 875 | |
| 2049 | 876 p = ngx_pnalloc(ha->temp_pool, last); |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
877 if (p == NULL) { |
| 619 | 878 return NGX_ERROR; |
| 879 } | |
| 880 | |
| 593 | 881 len = 0; |
| 882 n = 0; | |
| 883 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
884 for (i = last - 1; i; i--) { |
| 593 | 885 if (key->data[i] == '.') { |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
886 ngx_memcpy(&p[n], &key->data[i + 1], len); |
| 593 | 887 n += len; |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
888 p[n++] = '.'; |
| 593 | 889 len = 0; |
| 890 continue; | |
| 891 } | |
| 892 | |
| 893 len++; | |
| 894 } | |
| 895 | |
| 896 if (len) { | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
897 ngx_memcpy(&p[n], &key->data[1], len); |
| 593 | 898 n += len; |
| 899 } | |
| 900 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
901 p[n] = '\0'; |
| 619 | 902 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
903 hwc = &ha->dns_wc_head; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
904 keys = &ha->dns_wc_head_hash[k]; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
905 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
906 } else { |
| 619 | 907 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
908 /* convert "www.example.*" to "www.example\0" */ |
| 619 | 909 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
910 last++; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
911 |
| 2049 | 912 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:
1253
diff
changeset
|
913 if (p == NULL) { |
|
d83687d29853
fix trailing wildcard when two or more listen used in one server
Igor Sysoev <igor@sysoev.ru>
parents:
1253
diff
changeset
|
914 return NGX_ERROR; |
|
d83687d29853
fix trailing wildcard when two or more listen used in one server
Igor Sysoev <igor@sysoev.ru>
parents:
1253
diff
changeset
|
915 } |
|
d83687d29853
fix trailing wildcard when two or more listen used in one server
Igor Sysoev <igor@sysoev.ru>
parents:
1253
diff
changeset
|
916 |
| 1492 | 917 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>
parents:
1253
diff
changeset
|
918 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
919 hwc = &ha->dns_wc_tail; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
920 keys = &ha->dns_wc_tail_hash[k]; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
921 } |
| 593 | 922 |
| 923 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
924 /* check conflicts in wildcard hash */ |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
925 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
926 name = keys->elts; |
| 593 | 927 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
928 if (name) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
929 len = last - skip; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
930 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
931 for (i = 0; i < keys->nelts; i++) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
932 if (len != name[i].len) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
933 continue; |
| 593 | 934 } |
| 935 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
936 if (ngx_strncmp(key->data + skip, name[i].data, len) == 0) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
937 return NGX_BUSY; |
| 593 | 938 } |
| 939 } | |
| 940 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
941 } else { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
942 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
|
943 { |
| 593 | 944 return NGX_ERROR; |
| 945 } | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
946 } |
| 593 | 947 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
948 name = ngx_array_push(keys); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
949 if (name == NULL) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
950 return NGX_ERROR; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
951 } |
| 619 | 952 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
953 name->len = last - skip; |
| 2049 | 954 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
|
955 if (name->data == NULL) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
956 return NGX_ERROR; |
| 593 | 957 } |
| 958 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
959 ngx_memcpy(name->data, key->data + skip, name->len); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
960 |
|
4689
d2ed9fee092b
Fixed handling of conflicting wildcard server names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
961 |
|
d2ed9fee092b
Fixed handling of conflicting wildcard server names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
962 /* add to wildcard hash */ |
|
d2ed9fee092b
Fixed handling of conflicting wildcard server names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
963 |
|
d2ed9fee092b
Fixed handling of conflicting wildcard server names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
964 hk = ngx_array_push(hwc); |
|
d2ed9fee092b
Fixed handling of conflicting wildcard server names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
965 if (hk == NULL) { |
|
d2ed9fee092b
Fixed handling of conflicting wildcard server names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
966 return NGX_ERROR; |
|
d2ed9fee092b
Fixed handling of conflicting wildcard server names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
967 } |
|
d2ed9fee092b
Fixed handling of conflicting wildcard server names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
968 |
|
d2ed9fee092b
Fixed handling of conflicting wildcard server names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
969 hk->key.len = last - 1; |
|
d2ed9fee092b
Fixed handling of conflicting wildcard server names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
970 hk->key.data = p; |
|
d2ed9fee092b
Fixed handling of conflicting wildcard server names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
971 hk->key_hash = 0; |
|
d2ed9fee092b
Fixed handling of conflicting wildcard server names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
972 hk->value = value; |
|
d2ed9fee092b
Fixed handling of conflicting wildcard server names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
973 |
| 593 | 974 return NGX_OK; |
| 975 } |