Date: Mon, 4 Jul 2011 03:19:06 +0000 (UTC) From: Hiroki Sato <hrs@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r223752 - head/usr.sbin/rtadvd Message-ID: <201107040319.p643J62W051794@svn.freebsd.org>
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Author: hrs Date: Mon Jul 4 03:19:06 2011 New Revision: 223752 URL: http://svn.freebsd.org/changeset/base/223752 Log: Add sanity check for ifm_version in struct if_msghdr. Modified: head/usr.sbin/rtadvd/if.c Modified: head/usr.sbin/rtadvd/if.c ============================================================================== --- head/usr.sbin/rtadvd/if.c Mon Jul 4 01:27:41 2011 (r223751) +++ head/usr.sbin/rtadvd/if.c Mon Jul 4 03:19:06 2011 (r223752) @@ -105,6 +105,12 @@ if_nametosdl(char *name) lim = buf + len; for (next = buf; next < lim; next += ifm->ifm_msglen) { ifm = (struct if_msghdr *)next; + if (ifm->ifm_version != RTM_VERSION) { + syslog(LOG_ERR, + "<%s> RTM_VERSION mismatch (%d != %d).", + __func__, ifm->ifm_version, RTM_VERSION); + continue; + } if (ifm->ifm_type == RTM_IFINFO) { sa = (struct sockaddr *)(ifm + 1); get_rtaddrs(ifm->ifm_addrs, sa, rti_info);
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