Mercurial > hg > nginx
annotate src/core/ngx_crc32.h @ 5273:83d028011ae2 stable-1.4
OCSP stapling: fix error logging of successful OCSP responses.
Due to a bad argument list, nginx worker would crash (SIGSEGV) while
trying to log the fact that it received OCSP response with "revoked"
or "unknown" certificate status.
While there, fix similar (but non-crashing) error a few lines above.
Signed-off-by: Piotr Sikora <piotr@cloudflare.com>
author | Piotr Sikora <piotr@cloudflare.com> |
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date | Thu, 16 May 2013 15:37:13 -0700 |
parents | d620f497c50f |
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rev | line source |
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790 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4412 | 4 * Copyright (C) Nginx, Inc. |
790 | 5 */ |
6 | |
7 | |
8 #ifndef _NGX_CRC32_H_INCLUDED_ | |
9 #define _NGX_CRC32_H_INCLUDED_ | |
10 | |
11 | |
12 #include <ngx_config.h> | |
13 #include <ngx_core.h> | |
14 | |
15 | |
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16 extern uint32_t *ngx_crc32_table_short; |
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17 extern uint32_t ngx_crc32_table256[]; |
790 | 18 |
19 | |
20 static ngx_inline uint32_t | |
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21 ngx_crc32_short(u_char *p, size_t len) |
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22 { |
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23 u_char c; |
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24 uint32_t crc; |
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25 |
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26 crc = 0xffffffff; |
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27 |
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28 while (len--) { |
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29 c = *p++; |
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30 crc = ngx_crc32_table_short[(crc ^ (c & 0xf)) & 0xf] ^ (crc >> 4); |
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31 crc = ngx_crc32_table_short[(crc ^ (c >> 4)) & 0xf] ^ (crc >> 4); |
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32 } |
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33 |
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34 return crc ^ 0xffffffff; |
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35 } |
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36 |
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37 |
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38 static ngx_inline uint32_t |
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39 ngx_crc32_long(u_char *p, size_t len) |
790 | 40 { |
41 uint32_t crc; | |
42 | |
43 crc = 0xffffffff; | |
44 | |
45 while (len--) { | |
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46 crc = ngx_crc32_table256[(crc ^ *p++) & 0xff] ^ (crc >> 8); |
790 | 47 } |
48 | |
49 return crc ^ 0xffffffff; | |
50 } | |
51 | |
52 | |
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53 #define ngx_crc32_init(crc) \ |
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54 crc = 0xffffffff |
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55 |
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56 |
1697 | 57 static ngx_inline void |
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58 ngx_crc32_update(uint32_t *crc, u_char *p, size_t len) |
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59 { |
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60 uint32_t c; |
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61 |
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62 c = *crc; |
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63 |
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64 while (len--) { |
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65 c = ngx_crc32_table256[(c ^ *p++) & 0xff] ^ (c >> 8); |
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66 } |
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67 |
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68 *crc = c; |
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69 } |
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70 |
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71 |
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72 #define ngx_crc32_final(crc) \ |
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73 crc ^= 0xffffffff |
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74 |
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75 |
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76 ngx_int_t ngx_crc32_table_init(void); |
793
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77 |
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78 |
790 | 79 #endif /* _NGX_CRC32_H_INCLUDED_ */ |