Mercurial > hg > nginx
annotate src/core/ngx_radix_tree.h @ 7690:8253424d1aff
Added size check to ngx_http_alloc_large_header_buffer().
This ensures that copying won't write more than the buffer size
even if the buffer comes from hc->free and it is smaller than the large
client header buffer size in the virtual host configuration. This might
happen if size of large client header buffers is different in name-based
virtual hosts, similarly to the problem with number of buffers fixed
in 6926:e662cbf1b932.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Thu, 06 Aug 2020 05:02:22 +0300 |
parents | 3be3de31d7dd |
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rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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6 |
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8 #ifndef _NGX_RADIX_TREE_H_INCLUDED_ |
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9 #define _NGX_RADIX_TREE_H_INCLUDED_ |
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10 |
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11 |
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12 #include <ngx_config.h> |
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13 #include <ngx_core.h> |
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14 |
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15 |
485 | 16 #define NGX_RADIX_NO_VALUE (uintptr_t) -1 |
17 | |
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18 typedef struct ngx_radix_node_s ngx_radix_node_t; |
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19 |
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20 struct ngx_radix_node_s { |
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21 ngx_radix_node_t *right; |
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22 ngx_radix_node_t *left; |
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23 ngx_radix_node_t *parent; |
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24 uintptr_t value; |
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25 }; |
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26 |
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27 |
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28 typedef struct { |
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29 ngx_radix_node_t *root; |
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30 ngx_pool_t *pool; |
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31 ngx_radix_node_t *free; |
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32 char *start; |
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33 size_t size; |
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34 } ngx_radix_tree_t; |
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35 |
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36 |
487 | 37 ngx_radix_tree_t *ngx_radix_tree_create(ngx_pool_t *pool, |
489 | 38 ngx_int_t preallocate); |
4992 | 39 |
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40 ngx_int_t ngx_radix32tree_insert(ngx_radix_tree_t *tree, |
487 | 41 uint32_t key, uint32_t mask, uintptr_t value); |
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42 ngx_int_t ngx_radix32tree_delete(ngx_radix_tree_t *tree, |
487 | 43 uint32_t key, uint32_t mask); |
340
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44 uintptr_t ngx_radix32tree_find(ngx_radix_tree_t *tree, uint32_t key); |
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45 |
4992 | 46 #if (NGX_HAVE_INET6) |
47 ngx_int_t ngx_radix128tree_insert(ngx_radix_tree_t *tree, | |
48 u_char *key, u_char *mask, uintptr_t value); | |
49 ngx_int_t ngx_radix128tree_delete(ngx_radix_tree_t *tree, | |
50 u_char *key, u_char *mask); | |
51 uintptr_t ngx_radix128tree_find(ngx_radix_tree_t *tree, u_char *key); | |
52 #endif | |
53 | |
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54 |
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55 #endif /* _NGX_RADIX_TREE_H_INCLUDED_ */ |