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Check bounds on input. From Michael Plass.

This commit is contained in:
dholland 2016-09-05 21:11:11 +00:00
parent 1b38ce07c0
commit 9367ee5723
1 changed files with 5 additions and 3 deletions
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8
sys/lib/libsa/checkpasswd.c
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@ -1,4 +1,4 @@
/* $NetBSD: checkpasswd.c,v 1.9 2011/01/06 02:45:13 jakllsch Exp $ */
/* $NetBSD: checkpasswd.c,v 1.10 2016/09/05 21:11:11 dholland Exp $ */
/*-
* Copyright (c) 1993
@ -84,8 +84,10 @@ getpass(const char *prompt)
putchar('\n');
break;
default:
*lp++ = c;
putchar('*');
if ((size_t)(lp - buf) < sizeof(buf) - 1) {
*lp++ = c;
putchar('*');
}
break;
}
}