Mercurial > dropbear
view libtomcrypt/src/misc/pk_get_oid.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> |
---|---|
date | Wed, 20 Mar 2019 15:09:19 +0100 |
parents | 6dba84798cd5 |
children |
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line source
/* LibTomCrypt, modular cryptographic library -- Tom St Denis * * LibTomCrypt is a library that provides various cryptographic * algorithms in a highly modular and flexible manner. * * The library is free for all purposes without any express * guarantee it works. */ #include "tomcrypt.h" #ifdef LTC_DER static const oid_st rsa_oid = { { 1, 2, 840, 113549, 1, 1, 1 }, 7, }; static const oid_st dsa_oid = { { 1, 2, 840, 10040, 4, 1 }, 6, }; /* Returns the OID of the public key algorithm. @return CRYPT_OK if valid */ int pk_get_oid(int pk, oid_st *st) { switch (pk) { case PKA_RSA: XMEMCPY(st, &rsa_oid, sizeof(*st)); break; case PKA_DSA: XMEMCPY(st, &dsa_oid, sizeof(*st)); break; default: return CRYPT_INVALID_ARG; } return CRYPT_OK; } #endif /* ref: $Format:%D$ */ /* git commit: $Format:%H$ */ /* commit time: $Format:%ai$ */