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check routing socket messages for RTM_VERSION

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This commit is contained in:
sthen 2009-06-26 09:20:41 +00:00
parent f88ca981c1
commit 44dfaa3845
2 changed files with 16 additions and 1 deletions
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3
net/arp-scan/Makefile
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@ -1,7 +1,8 @@
# $OpenBSD: Makefile,v 1.1.1.1 2008/10/07 10:01:41 sthen Exp $
# $OpenBSD: Makefile,v 1.2 2009/06/26 09:20:41 sthen Exp $
COMMENT = ARP scanning and fingerprinting tool
DISTNAME = arp-scan-1.7
PKGNAME = ${DISTNAME}p0
CATEGORIES = net
HOMEPAGE = http://www.nta-monitor.com/tools/arp-scan/

14
net/arp-scan/patches/patch-link-bpf_c Normal file
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@ -0,0 +1,14 @@
$OpenBSD: patch-link-bpf_c,v 1.1 2009/06/26 09:20:41 sthen Exp $
--- link-bpf.c.orig Thu Jul 17 13:01:14 2008
+++ link-bpf.c Fri Jun 26 10:16:27 2009
@@ -253,6 +253,10 @@ get_hardware_address(link_t *handle, unsigned char hw_
*/
for (p = buf; p < buf + len; p += ifm->ifm_msglen) {
ifm = (struct if_msghdr *)p;
+
+ if (ifm->ifm_version != RTM_VERSION)
+ continue;
+
sdl = (struct sockaddr_dl *)(ifm + 1);
if (ifm->ifm_type != RTM_IFINFO || (ifm->ifm_addrs & RTA_IFP) == 0)