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annotate libtomcrypt/src/misc/pk_get_oid.c @ 1630:9579377b5f8b

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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>
date Wed, 20 Mar 2019 15:09:19 +0100
parents 6dba84798cd5
children
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1471
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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 #ifdef LTC_DER
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12 static const oid_st rsa_oid = {
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13 { 1, 2, 840, 113549, 1, 1, 1 },
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14 7,
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15 };
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16
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17 static const oid_st dsa_oid = {
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18 { 1, 2, 840, 10040, 4, 1 },
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19 6,
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20 };
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21
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22 /*
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23 Returns the OID of the public key algorithm.
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24 @return CRYPT_OK if valid
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25 */
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26 int pk_get_oid(int pk, oid_st *st)
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27 {
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28 switch (pk) {
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29 case PKA_RSA:
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30 XMEMCPY(st, &rsa_oid, sizeof(*st));
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31 break;
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32 case PKA_DSA:
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33 XMEMCPY(st, &dsa_oid, sizeof(*st));
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34 break;
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35 default:
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36 return CRYPT_INVALID_ARG;
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37 }
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38 return CRYPT_OK;
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39 }
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40 #endif
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41
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42 /* ref: $Format:%D$ */
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43 /* git commit: $Format:%H$ */
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44 /* commit time: $Format:%ai$ */