Mercurial > dropbear

annotate libtomcrypt/src/misc/crypt/crypt_register_cipher.c @ 1665:7c17995bcdfb

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Improve address logging on early exit messages (#83) Change 'Early exit' and 'Exit before auth' messages to include the IP address & port as part of the message. This allows log scanning utilities such as 'fail2ban' to obtain the offending IP address as part of the failure event instead of extracting the PID from the message and then scanning the log again for match 'child connection from' messages Signed-off-by: Kevin Darbyshire-Bryant <[email protected]>
author Kevin Darbyshire-Bryant <6500011+ldir-EDB0@users.noreply.github.com>
date Wed, 18 Mar 2020 15:28:56 +0000
parents 6dba84798cd5
children
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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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11 /**
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12 @file crypt_register_cipher.c
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13 Register a cipher, Tom St Denis
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14 */
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16 /**
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17 Register a cipher with the descriptor table
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18 @param cipher The cipher you wish to register
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19 @return value >= 0 if successfully added (or already present), -1 if unsuccessful
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20 */
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21 int register_cipher(const struct ltc_cipher_descriptor *cipher)
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22 {
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23 int x;
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25 LTC_ARGCHK(cipher != NULL);
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27 /* is it already registered? */
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28 LTC_MUTEX_LOCK(&ltc_cipher_mutex);
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29 for (x = 0; x < TAB_SIZE; x++) {
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30 if (cipher_descriptor[x].name != NULL && cipher_descriptor[x].ID == cipher->ID) {
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31 LTC_MUTEX_UNLOCK(&ltc_cipher_mutex);
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32 return x;
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33 }
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34 }
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36 /* find a blank spot */
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37 for (x = 0; x < TAB_SIZE; x++) {
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38 if (cipher_descriptor[x].name == NULL) {
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39 XMEMCPY(&cipher_descriptor[x], cipher, sizeof(struct ltc_cipher_descriptor));
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40 LTC_MUTEX_UNLOCK(&ltc_cipher_mutex);
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41 return x;
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42 }
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43 }
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45 /* no spot */
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46 LTC_MUTEX_UNLOCK(&ltc_cipher_mutex);
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47 return -1;
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48 }
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49
1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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50 /* ref: $Format:%D$ */
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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51 /* git commit: $Format:%H$ */
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52 /* commit time: $Format:%ai$ */