Mercurial > dropbear
annotate libtomcrypt/src/misc/crypt/crypt_find_hash_id.c @ 1630:9579377b5f8b
use strlcpy & strlcat (#74)
* refactor checkpubkeyperms() with safe BSD functions
fix gcc8 warnings
```
svr-authpubkey.c: In function 'checkpubkeyperms':
svr-authpubkey.c:427:2: warning: 'strncat' specified bound 5 equals source length [-Wstringop-overflow=]
strncat(filename, "/.ssh", 5); /* strlen("/.ssh") == 5 */
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
svr-authpubkey.c:433:2: warning: 'strncat' specified bound 16 equals source length [-Wstringop-overflow=]
strncat(filename, "/authorized_keys", 16);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
```
see https://www.sudo.ws/todd/papers/strlcpy.html
* restore strlcpy in xstrdup
see original https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/xmalloc.c?rev=1.16
author | François Perrad <francois.perrad@gadz.org> |
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date | Wed, 20 Mar 2019 15:09:19 +0100 |
parents | 6dba84798cd5 |
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rev | line source |
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285
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1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis |
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2 * |
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3 * LibTomCrypt is a library that provides various cryptographic |
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4 * algorithms in a highly modular and flexible manner. |
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5 * |
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6 * The library is free for all purposes without any express |
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7 * guarantee it works. |
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8 */ |
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9 #include "tomcrypt.h" |
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10 |
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11 /** |
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12 @file crypt_find_hash_id.c |
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13 Find hash by ID, Tom St Denis |
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14 */ |
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15 |
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16 /** |
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17 Find a hash by ID number |
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18 @param ID The ID (not same as index) of the hash to find |
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19 @return >= 0 if found, -1 if not present |
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20 */ |
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21 int find_hash_id(unsigned char ID) |
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22 { |
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23 int x; |
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24 LTC_MUTEX_LOCK(<c_hash_mutex); |
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25 for (x = 0; x < TAB_SIZE; x++) { |
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26 if (hash_descriptor[x].ID == ID) { |
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27 x = (hash_descriptor[x].name == NULL) ? -1 : x; |
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28 LTC_MUTEX_UNLOCK(<c_hash_mutex); |
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29 return x; |
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30 } |
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31 } |
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32 LTC_MUTEX_UNLOCK(<c_hash_mutex); |
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33 return -1; |
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34 } |
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35 |
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36 /* ref: $Format:%D$ */ |
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37 /* git commit: $Format:%H$ */ |
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38 /* commit time: $Format:%ai$ */ |