diff options
Diffstat (limited to 'roles/common/templates/etc/network/if-up.d')
| -rwxr-xr-x | roles/common/templates/etc/network/if-up.d/ipsec.j2 | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/roles/common/templates/etc/network/if-up.d/ipsec.j2 b/roles/common/templates/etc/network/if-up.d/ipsec.j2 index caa5129..9f183d3 100755 --- a/roles/common/templates/etc/network/if-up.d/ipsec.j2 +++ b/roles/common/templates/etc/network/if-up.d/ipsec.j2 @@ -8,40 +8,39 @@ # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. set -ue PATH=/usr/sbin:/usr/bin:/sbin:/bin # Ignore the loopback interface and non inet4 families. [ "$IFACE" != lo -a "$ADDRFAM" = inet ] || exit 0 # Only the device with the default, globally-scoped route, is of # interest here. -ip="$( ip -4 -o route show to default scope global \ - | sed -nr '/^default via (\S+) dev (\S+).*/ {s//\2 \1/p;q}' )" -[ "${ip% *}" = "$IFACE" ] || exit 0 -ip="${ip##* }" +iface="$( ip -o route show to default scope global \ + | sed -nr '/^default via \S+ dev (\S+).*/ {s//\1/p;q}' )" +[ "$iface" = "$IFACE" ] || exit 0 vip="{{ ipsec[inventory_hostname_short] }}" vsubnet="{{ ipsec_subnet }}" case "$MODE" in start) ip address add "$vip/32" dev "$IFACE" scope global || true # Nullroute the subnet used for IPsec to avoid data leaks # in the absence of xfrm lookup (i.e., when there is no # matching IPsec Security Association). ip route replace prohibit "$vsubnet" proto static || true - ip route replace table 220 to "$vsubnet" via "$ip" dev "$IFACE" proto static src "$vip" || true + ip route replace table 220 to "$vsubnet" dev "$IFACE" proto static src "$vip" || true ;; - stop) ip route del table 220 to "$vsubnet" via "$ip" dev "$IFACE" proto static src "$vip" || true + stop) ip route del table 220 to "$vsubnet" dev "$IFACE" proto static src "$vip" || true ip route del prohibit "$vsubnet" proto static || true ip address del "$vip/32" dev "$IFACE" scope global || true esac |