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| author | msmith <msmith@FreeBSD.org> | 2001-05-28 22:27:06 +0000 |
|---|---|---|
| committer | msmith <msmith@FreeBSD.org> | 2001-05-28 22:27:06 +0000 |
| commit | 18d7539d2e2ac1712b6f083ff93f1422b748266d (patch) | |
| tree | 1edb848e85238ab847f0af08f6b32ff586bbeb73 /lib | |
| parent | 10ff37925c1593f4942260b7ac6e45407d146cfc (diff) | |
| download | FreeBSD-src-18d7539d2e2ac1712b6f083ff93f1422b748266d.zip FreeBSD-src-18d7539d2e2ac1712b6f083ff93f1422b748266d.tar.gz | |
Correct the returned UDP datagram length. See the PR for a more comprehensive
description of the fix.
PR: misc/25503
Submitted by: Jim Browne <jbrowne@jbrowne.com>
MFC after: 1 week
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libstand/udp.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/libstand/udp.c b/lib/libstand/udp.c index e5992ef..ffb0f70 100644 --- a/lib/libstand/udp.c +++ b/lib/libstand/udp.c @@ -267,6 +267,7 @@ readudp(d, pkt, len, tleft) return -1; } - n -= sizeof(*ip) + sizeof(*uh); + n = (n > (ntohs(uh->uh_ulen) - sizeof(*uh))) ? + ntohs(uh->uh_ulen) - sizeof(*uh) : n; return (n); } |
