Mercurial > dropbear
annotate libtomcrypt/src/modes/lrw/lrw_done.c @ 1804:f0cd000f3bca
Prevent multiple shells being spawned
Existing shells would be leaked.
The old check only caught multiple commands, not shells.
author | Matt Johnston <matt@ucc.asn.au> |
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date | Sat, 06 Mar 2021 23:06:43 +0800 |
parents | 6dba84798cd5 |
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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 lrw_done.c |
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13 LRW_MODE implementation, Free resources, Tom St Denis |
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14 */ |
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15 |
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16 #ifdef LTC_LRW_MODE |
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17 |
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18 /** |
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19 Terminate a LRW state |
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20 @param lrw The state to terminate |
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21 @return CRYPT_OK if successful |
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22 */ |
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23 int lrw_done(symmetric_LRW *lrw) |
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24 { |
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25 int err; |
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26 |
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27 LTC_ARGCHK(lrw != NULL); |
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28 |
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29 if ((err = cipher_is_valid(lrw->cipher)) != CRYPT_OK) { |
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30 return err; |
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31 } |
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32 cipher_descriptor[lrw->cipher].done(&lrw->key); |
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33 |
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34 return CRYPT_OK; |
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35 } |
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36 |
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37 #endif |
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38 /* ref: $Format:%D$ */ |
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39 /* git commit: $Format:%H$ */ |
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40 /* commit time: $Format:%ai$ */ |