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correct return value in pubkey parsing, spotted by Ben Hawkes
 ok markus@
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djm@openbsd.org 2015-04-03 22:17:27 +00:00 committed by Damien Miller
parent 7da2be0cb9
commit 3f4ea3c9ab
1 changed files with 7 additions and 7 deletions
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14
sshkey.c
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@ -1,4 +1,4 @@
/* $OpenBSD: sshkey.c,v 1.15 2015/03/06 01:40:56 djm Exp $ */
/* $OpenBSD: sshkey.c,v 1.16 2015/04/03 22:17:27 djm Exp $ */
/*
* Copyright (c) 2000, 2001 Markus Friedl. All rights reserved.
* Copyright (c) 2008 Alexander von Gernler. All rights reserved.
@ -2013,8 +2013,8 @@ sshkey_from_blob_internal(struct sshbuf *b, struct sshkey **keyp,
ret = SSH_ERR_ALLOC_FAIL;
goto out;
}
if (sshbuf_get_bignum2(b, key->rsa->e) == -1 ||
sshbuf_get_bignum2(b, key->rsa->n) == -1) {
if (sshbuf_get_bignum2(b, key->rsa->e) != 0 ||
sshbuf_get_bignum2(b, key->rsa->n) != 0) {
ret = SSH_ERR_INVALID_FORMAT;
goto out;
}
@ -2035,10 +2035,10 @@ sshkey_from_blob_internal(struct sshbuf *b, struct sshkey **keyp,
ret = SSH_ERR_ALLOC_FAIL;
goto out;
}
if (sshbuf_get_bignum2(b, key->dsa->p) == -1 ||
sshbuf_get_bignum2(b, key->dsa->q) == -1 ||
sshbuf_get_bignum2(b, key->dsa->g) == -1 ||
sshbuf_get_bignum2(b, key->dsa->pub_key) == -1) {
if (sshbuf_get_bignum2(b, key->dsa->p) != 0 ||
sshbuf_get_bignum2(b, key->dsa->q) != 0 ||
sshbuf_get_bignum2(b, key->dsa->g) != 0 ||
sshbuf_get_bignum2(b, key->dsa->pub_key) != 0) {
ret = SSH_ERR_INVALID_FORMAT;
goto out;
}