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authorGuilhem Moulin <guilhem@fripost.org>2020-01-23 04:29:12 +0100
committerGuilhem Moulin <guilhem@fripost.org>2020-01-23 05:57:01 +0100
commit7641a5d5d152db349082b1d0ec93a40888b2ef8e (patch)
tree3f80c14c0e50b187a6698346cf8cffb9c5200154 /roles/common/templates/etc/network
parent456e09fa40d01b70ac1788d0338fba00079e4121 (diff)
Convert firewall to nftables.
Debian Buster uses the nftables framework by default.
Diffstat (limited to 'roles/common/templates/etc/network')
-rwxr-xr-xroles/common/templates/etc/network/if-up.d/ipsec.j211
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
@@ -25,10 +25,9 @@ PATH=/usr/sbin:/usr/bin:/sbin:/bin
# 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" = "$IFACE" ] || exit 0
vip="{{ ipsec[inventory_hostname_short] }}"
vsubnet="{{ ipsec_subnet }}"
@@ -39,9 +38,9 @@ case "$MODE" in
# 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