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upstream: be stricter in which characters will be accepted in

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specifying a mask length; allow only 0-9. From khaleesicodes via GHPR#278; ok
dtucker@

OpenBSD-Commit-ID: e267746c047ea86665cdeccef795a8a56082eeb2
This commit is contained in:
djm@openbsd.org 2022-04-29 04:55:07 +00:00 committed by Damien Miller
parent 4835544d2d
commit a45615cb17
1 changed files with 2 additions and 2 deletions
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4
addr.c
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@ -1,4 +1,4 @@
/* $OpenBSD: addr.c,v 1.4 2021/10/22 10:51:57 dtucker Exp $ */
/* $OpenBSD: addr.c,v 1.5 2022/04/29 04:55:07 djm Exp $ */
/*
* Copyright (c) 2004-2008 Damien Miller <djm@mindrot.org>
@ -397,7 +397,7 @@ addr_pton_cidr(const char *p, struct xaddr *n, u_int *l)
*mp = '\0';
mp++;
masklen = strtoul(mp, &cp, 10);
if (*mp == '\0' || *cp != '\0' || masklen > 128)
if (*mp < '0' || *mp > '9' || *cp != '\0' || masklen > 128)
return -1;
}