[PATCH] suricata: Use device ppp0 if PPPoE dialin is used.

[Stefan Schantl <stefan.schantl@ipfire.org>]

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Fixes #12058

Signed-off-by: Stefan Schantl <stefan.schantl(a)ipfire.org>
---
 src/initscripts/system/suricata | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/initscripts/system/suricata b/src/initscripts/system/suricata
index 16548753e..b407afa3c 100644
--- a/src/initscripts/system/suricata
+++ b/src/initscripts/system/suricata
@@ -18,6 +18,7 @@
 PATH=/usr/local/sbin:/usr/local/bin:/bin:/usr/bin:/sbin:/usr/sbin; export PATH
 
 eval $(/usr/local/bin/readhash /var/ipfire/suricata/settings)
+eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)
 
 # Name of the firewall chain.
 FW_CHAIN="IPS"
@@ -65,8 +66,16 @@ function generate_fw_rules {
 
 		# Check if the IDS is enabled for this network zone.
 		if [ "${!enable_ids_zone}" == "on" ]; then
-			# Generate name of the network interface.
-			network_device=$zone
+			# Check if the current processed zone is "red" and the configured type is PPPoE dialin.
+			if [ "$zone" == "red" ] && [ "$RED_TYPE" == "PPPOE" ]; then
+				# Set device name to ppp.
+				network_device="ppp"
+			else
+				# The device name is identical with the zone name.
+				network_device=$zone
+			fi
+
+			# Finish generation of the device name.
 			network_device+="0"
 
 			# Assign NFQ_OPTS
-- 
2.20.1