From 4be7b859a452a2fe18a4c607c944eef9d3976d07 Mon Sep 17 00:00:00 2001
From: "David M. Syzdek" <syzdek@bindlebinaries.com>
Date: Mon, 29 Jul 2019 13:22:24 -0800
Subject: Adding quiet config option

---
 src/bbfw.conf-example.in |  5 +++++
 src/bbfw.in              | 24 +++++++++++++++++++-----
 2 files changed, 24 insertions(+), 5 deletions(-)

diff --git a/src/bbfw.conf-example.in b/src/bbfw.conf-example.in
index ec70086..867cb91 100644
--- a/src/bbfw.conf-example.in
+++ b/src/bbfw.conf-example.in
@@ -34,4 +34,9 @@
 # firewall_dir = @sysconfdir@/firewall.d    
 
 
+#   The `quiet` option surpresses normal output of bbfw.  To enable quiet mode,
+#   uncomment the line below and change the value to 'yes'.
+# quiet = no
+
+
 # end of configuration
diff --git a/src/bbfw.in b/src/bbfw.in
index 60ea7b1..288b51a 100755
--- a/src/bbfw.in
+++ b/src/bbfw.in
@@ -80,6 +80,7 @@ export PATH
 # determine prefix of conf files
 FW_PREFIX=@sysconfdir@/firewall.d/
 FW_CONF=@sysconfdir@/bbfw.conf
+FW_QUIET=no
 
 
 ###########
@@ -181,7 +182,7 @@ run_hook()
       return 0;
    fi
 
-   if test ! -z "${DESC}";then
+   if test ! -z "${DESC}" && test -z "${FW_QUIET}";then
       echo "${DESC}"
    fi
 
@@ -199,7 +200,7 @@ load()
       return 0;
    fi
 
-   if test ! -z "${DESC}";then
+   if test ! -z "${DESC}" && test -z "${FW_QUIET}";then
       echo "${DESC}"
    fi
 
@@ -281,7 +282,9 @@ stop() {
    run_hook stop ${FW_PREFIX}/pre-hook              "running local pre-hook stop ..."
 
    for TABLE in $(iptables-save  |grep '^*' |sed -e 's/^*//g' |sort);do
-      echo "Flushing rules from ${TABLE} table (IPv4)"
+      if test -z "${FW_QUIET}";then
+         echo "Flushing rules from ${TABLE} table (IPv4)"
+      fi
       for CHAIN in $(iptables-save -t ${TABLE} |grep '^:' |cut -d: -f2 |grep -v ' - ' |cut -d\  -f1);do
          iptables -t ${TABLE} -P ${CHAIN} ACCEPT
       done
@@ -292,7 +295,9 @@ stop() {
    done 2> /dev/null
 
    for TABLE in $(iptables-save  |grep '^*' |sed -e 's/^*//g' |sort);do
-      echo "Flushing rules from ${TABLE} table (IPv6)"
+      if test -z "${FW_QUIET}";then
+         echo "Flushing rules from ${TABLE} table (IPv6)"
+      fi
       for CHAIN in $(ip6tables-save -t ${TABLE} |grep '^:' |cut -d: -f2 |grep -v ' - ' |cut -d\  -f1);do
          ip6tables -t ${TABLE} -P ${CHAIN} ACCEPT
       done
@@ -302,7 +307,9 @@ stop() {
       done
    done 2> /dev/null
 
-   echo "Destroying all IP sets ..."
+   if test -z "${FW_QUIET}";then
+      echo "Destroying all IP sets ..."
+   fi
    for SET in $(ipset save |grep '^create' |grep ' list:' |awk '{print$2}');do
       ipset destroy "${SET}"
    done
@@ -326,6 +333,7 @@ stop() {
 
 # sets options from configuration file
 FW_PREFIX="$(  config_option firewall_dir "${FW_PREFIX}" )"
+FW_QUIET="$(   config_option quiet        "${FW_QUIET}"   A-Z a-z )"
 
 
 # checks and normalizes options
@@ -333,6 +341,12 @@ if test ! -d "${FW_PREFIX}";then
    echo "${PROGRAM_NAME}: ${FW_PREFIX}: firewall directory does not exist" 1>&2
    exit 1
 fi
+if test "x${FW_QUIET}" == "xno";then
+   unset FW_QUIET
+elsif test "x${FW_QUIET}" != "xno";then
+   echo "${PROGRAM_NAME}: invalid value for option 'quiet'" 1>&2
+   exit 1
+fi
 
 
 case "$1" in
-- 
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