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don't segfault on NULL pointer if number of rounds is

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not specified in passwd.conf.
This commit is contained in:
mlelstv 2006-10-24 22:49:19 +00:00
parent 2d8eaf9b86
commit 999ac788ac
1 changed files with 6 additions and 2 deletions
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8
lib/libcrypt/bcrypt.c
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@ -1,4 +1,4 @@
/* $NetBSD: bcrypt.c,v 1.7 2005/01/12 05:27:35 christos Exp $ */
/* $NetBSD: bcrypt.c,v 1.8 2006/10/24 22:49:19 mlelstv Exp $ */
/* $OpenBSD: bcrypt.c,v 1.16 2002/02/19 19:39:36 millert Exp $ */
/*
@ -46,7 +46,7 @@
*
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: bcrypt.c,v 1.7 2005/01/12 05:27:35 christos Exp $");
__RCSID("$NetBSD: bcrypt.c,v 1.8 2006/10/24 22:49:19 mlelstv Exp $");
#include <stdio.h>
#include <stdlib.h>
@ -163,6 +163,10 @@ __gensalt_blowfish(char *salt, size_t saltlen, const char *option)
errno = ENOSPC;
return -1;
}
if (option == NULL) {
errno = EINVAL;
return -1;
}
nrounds = strtoul(option, &ep, 0);
if (option == ep || *ep) {
errno = EINVAL;