UnknownSec Bypass 403

: /etc/dhcp/dhclient-enter-hooks.d/ [ drwxr-xr-x ]
name : resolved # # Script fragment to make dhclient supply nameserver information to resolvconf # # Tips: # * Be careful about changing the environment since this is sourced # * This script fragment uses bash features # * As of isc-dhcp-client 4.2 the "reason" (for running the script) can be one of the following. # (Listed on man page:) MEDIUM(0) PREINIT(0) BOUND(M) RENEW(M) REBIND(M) REBOOT(M) EXPIRE(D) FAIL(D) RELEASE(D) STOP(D) NBI(-) TIMEOUT(M) # (Also used in master script:) ARPCHECK(0), ARPSEND(0) # (Also used in master script:) PREINIT6(0) BOUND6(M) RENEW6(M) REBIND6(M) DEPREF6(0) EXPIRE6(D) RELEASE6(D) STOP6(D) # (0) = master script does not run make_resolv_conf # (M) = master script runs make_resolv_conf # (D) = master script downs interface # (-) = master script does nothing with this if systemctl is-enabled systemd-resolved > /dev/null 2>&1; then # For safety, first undefine the nasty default make_resolv_conf() make_resolv_conf() { : ; } case "$reason" in BOUND|RENEW|REBIND|REBOOT|TIMEOUT|BOUND6|RENEW6|REBIND6) # Define a resolvconf-compatible m_r_c() function # It gets run later (or, in the TIMEOUT case, MAY get run later) make_resolv_conf() { local statedir if [ ! "$interface" ] ; then return fi statedir="/run/systemd/resolved.conf.d" mkdir -p $statedir oldstate="$(mktemp)" md5sum $statedir/isc-dhcp-v4-$interface.conf $statedir/isc-dhcp-v6-$interface.conf > $oldstate 2> /dev/null if [ -n "$new_domain_name_servers" ] ; then cat <<EOF >$statedir/isc-dhcp-v4-$interface.conf [Resolve] DNS=$new_domain_name_servers EOF if [ -n "$new_domain_name" ] || [ -n "$new_domain_search" ] ; then cat <<EOF >>$statedir/isc-dhcp-v4-$interface.conf Domains=$new_domain_search $new_domain_name EOF fi fi if [ -n "$new_dhcp6_name_servers" ] ; then cat <<EOF >$statedir/isc-dhcp-v6-$interface.conf [Resolve] DNS=$new_dhcp6_name_servers EOF if [ -n "$new_dhcp6_domain_search" ] ; then cat <<EOF >>$statedir/isc-dhcp-v6-$interface.conf Domains=$new_dhcp6_domain_search EOF fi fi newstate="$(mktemp)" md5sum $statedir/isc-dhcp-v4-$interface.conf $statedir/isc-dhcp-v6-$interface.conf > $newstate 2> /dev/null if ! cmp --quiet $oldstate $newstate; then # We need to reset-failed to reset the start limit counter, # in case we're processing more than StartLimitBurst interfaces # LP: #1939255 systemctl reset-failed systemd-resolved.service systemctl try-reload-or-restart systemd-resolved.service fi rm $oldstate rm $newstate } ;; EXPIRE|FAIL|RELEASE|STOP) if [ ! "$interface" ] ; then return fi rm -f /run/systemd/resolved.conf.d/isc-dhcp-v4-$interface.conf systemctl try-reload-or-restart systemd-resolved.service ;; EXPIRE6|RELEASE6|STOP6) if [ ! "$interface" ] ; then return fi rm -f /run/systemd/resolved.conf.d/isc-dhcp-v6-$interface.conf systemctl try-reload-or-restart systemd-resolved.service ;; esac fi