From ca796b169e12d420a27ce18d75a80d689c6f3822 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <cynerd@email.cz>
Date: Sat, 26 Sep 2020 11:21:29 +0200
Subject: Add packages for testing

---
 sentinel-fwlogs/files/defaults.sh           |  2 ++
 sentinel-fwlogs/files/init                  | 25 +++++++++++++++++++
 sentinel-fwlogs/files/restart-proxy-hook.sh |  5 ++++
 sentinel-fwlogs/files/sentinel-firewall.sh  | 37 +++++++++++++++++++++++++++++
 sentinel-fwlogs/files/uci-defaults          | 19 +++++++++++++++
 5 files changed, 88 insertions(+)
 create mode 100644 sentinel-fwlogs/files/defaults.sh
 create mode 100755 sentinel-fwlogs/files/init
 create mode 100755 sentinel-fwlogs/files/restart-proxy-hook.sh
 create mode 100755 sentinel-fwlogs/files/sentinel-firewall.sh
 create mode 100755 sentinel-fwlogs/files/uci-defaults

(limited to 'sentinel-fwlogs/files')

diff --git a/sentinel-fwlogs/files/defaults.sh b/sentinel-fwlogs/files/defaults.sh
new file mode 100644
index 0000000..78345b4
--- /dev/null
+++ b/sentinel-fwlogs/files/defaults.sh
@@ -0,0 +1,2 @@
+DEFAULT_NFLOG_GROUP="1914"
+DEFAULT_NFLOG_THRESHOLD="32"
diff --git a/sentinel-fwlogs/files/init b/sentinel-fwlogs/files/init
new file mode 100755
index 0000000..955b333
--- /dev/null
+++ b/sentinel-fwlogs/files/init
@@ -0,0 +1,25 @@
+#!/bin/sh /etc/rc.common
+
+USE_PROCD=1
+START=99
+STOP=10
+
+
+start_service() {
+	source /lib/functions/sentinel.sh
+	source /usr/libexec/sentinel/fwlogs-defaults.sh
+	allowed_to_run "fwlogs" || return 1
+
+	config_load sentinel
+	local nflog_group nflog_threshold
+	config_get nflog_group fwlogs nflog_group "$DEFAULT_NFLOG_GROUP"
+
+	procd_open_instance
+	procd_set_param command /usr/bin/sentinel-fwlogs
+	procd_append_param command --nflog-group="$nflog_group"
+	procd_set_param respawn 3600 5 5
+	procd_set_param stdout 1
+	procd_set_param stderr 1
+	procd_set_param file /etc/config/sentinel
+	procd_close_instance
+}
diff --git a/sentinel-fwlogs/files/restart-proxy-hook.sh b/sentinel-fwlogs/files/restart-proxy-hook.sh
new file mode 100755
index 0000000..938adf4
--- /dev/null
+++ b/sentinel-fwlogs/files/restart-proxy-hook.sh
@@ -0,0 +1,5 @@
+#!/bin/sh
+# restart Sentinel:FWLogs service
+/etc/init.d/sentinel-fwlogs restart
+# Apply logging rules
+/etc/init.d/firewall reload
diff --git a/sentinel-fwlogs/files/sentinel-firewall.sh b/sentinel-fwlogs/files/sentinel-firewall.sh
new file mode 100755
index 0000000..e066b16
--- /dev/null
+++ b/sentinel-fwlogs/files/sentinel-firewall.sh
@@ -0,0 +1,37 @@
+#!/bin/sh
+set -e
+. "${0%/*}/common.sh"
+. /lib/functions.sh
+. /lib/functions/sentinel.sh
+. /usr/libexec/sentinel/fwlogs-defaults.sh
+
+allowed_to_run "fwlogs" 2>/dev/null || return 0
+
+
+config_load "sentinel"
+config_get nflog_group fwlogs nflog_group "$DEFAULT_NFLOG_GROUP"
+config_get nflog_threshold fwlogs nflog_threshold "$DEFAULT_NFLOG_THRESHOLD"
+
+
+fwlogs_logging() {
+	local config_section="$1"
+	local zone enabled
+	config_get zone "$config_section" "name"
+	config_get_bool enabled "$config_section" "sentinel_fwlogs" "0"
+	[ "$enabled" = "1" ] || return 0
+
+	report_operation "Logging of zone '$zone'"
+	for fate in DROP REJECT; do
+		local chain="zone_${zone}_src_${fate}"
+		iptables_chain_exists "$chain" || continue
+		report_info "$fate"
+		iptables -I "$chain" 1 \
+			-m comment --comment "!sentinel: fwlogs" \
+			-j NFLOG \
+			--nflog-group "$nflog_group" \
+			--nflog-threshold "$nflog_threshold"
+	done
+}
+
+config_load "firewall"
+config_foreach fwlogs_logging "zone"
diff --git a/sentinel-fwlogs/files/uci-defaults b/sentinel-fwlogs/files/uci-defaults
new file mode 100755
index 0000000..c3c2644
--- /dev/null
+++ b/sentinel-fwlogs/files/uci-defaults
@@ -0,0 +1,19 @@
+#!/bin/sh
+set -e
+. /lib/functions/sentinel-firewall.sh
+
+# fwlogs entry in sentinel config
+if [ "$(uci -q get sentinel.fwlogs)" != "fwlogs" ]; then
+	uci -q batch <<EOT
+		delete sentinel.fwlogs
+		set sentinel.fwlogs='fwlogs'
+		commit sentinel.fwlogs
+EOT
+fi
+
+
+# Enable for default interface
+config_firewall_default_enable "sentinel_fwlogs"
+
+# Always reload firewall to use latest version of sentinel-firewall script
+/etc/init.d/firewall reload
-- 
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