Author: pjd Date: Wed Jul 3 22:19:43 2013 New Revision: 252631 URL: http://svnweb.freebsd.org/changeset/base/252631
Log: MFp4 @229485: Only allow to overwrite lease file. Reviewed by: brooks Sponsored by: The FreeBSD Foundation Modified: head/sbin/dhclient/dhclient.c Modified: head/sbin/dhclient/dhclient.c ============================================================================== --- head/sbin/dhclient/dhclient.c Wed Jul 3 22:18:40 2013 (r252630) +++ head/sbin/dhclient/dhclient.c Wed Jul 3 22:19:43 2013 (r252631) @@ -1842,6 +1842,11 @@ rewrite_client_leases(void) leaseFile = fopen(path_dhclient_db, "w"); if (!leaseFile) error("can't create %s: %m", path_dhclient_db); + if (cap_rights_limit(fileno(leaseFile), CAP_FSTAT | CAP_FSYNC | + CAP_FTRUNCATE | CAP_SEEK | CAP_WRITE) < 0 && + errno != ENOSYS) { + error("can't limit lease descriptor: %m"); + } } else { fflush(leaseFile); rewind(leaseFile); _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"