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-rwxr-xr-xroles/common/files/etc/network/if-up.d/ipsec15
1 files changed, 12 insertions, 3 deletions
diff --git a/roles/common/files/etc/network/if-up.d/ipsec b/roles/common/files/etc/network/if-up.d/ipsec
index db9f979..4a84112 100755
--- a/roles/common/files/etc/network/if-up.d/ipsec
+++ b/roles/common/files/etc/network/if-up.d/ipsec
@@ -1,29 +1,38 @@
#!/bin/sh
-#
+
# A post-up/down hook to automatically create/delete a 'sec' VLAN
# device, and a dedicated, host-scoped, IP for IPSec (v4 only).
+# Copyright © 2013 Guilhem Moulin <guilhem@fripost.org>
#
-# Copyright 2013 Guilhem Moulin <guilhem@fripost.org>
+# This program is free software: you can redistribute it and/or modify
+# 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.
#
-# Licensed under the GNU GPL version 3 or higher.
+# 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
ifsec=sec0
ipsec=172.16.0.1/32
# /!\ This mark much match that in /usr/local/sbin/update-firewall.sh.
secmark=0xA99
# 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.
[ "$( /bin/ip -4 route show to default scope global \
| sed -nr '/^default via \S+ dev (\S+).*/ {s//\1/p;q}' )" \
= \
"$IFACE" ] || exit 0