diff options
Diffstat (limited to 'abs/core/iptables/iptables')
-rwxr-xr-x | abs/core/iptables/iptables | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/abs/core/iptables/iptables b/abs/core/iptables/iptables new file mode 100755 index 0000000..50c13d5 --- /dev/null +++ b/abs/core/iptables/iptables @@ -0,0 +1,95 @@ +#!/bin/bash + +# source application-specific settings +[ -f /etc/conf.d/iptables ] && . /etc/conf.d/iptables + +# Set defaults if settings are missing +[ -z "$IPTABLES" ] && IPTABLES=/usr/sbin/iptables +[ -z "$IPTABLES_CONF" ] && IPTABLES_CONF=/etc/iptables/iptables.rules + +. /etc/rc.conf +. /etc/rc.d/functions + +case "$1" in + start) + if [ ! -f $IPTABLES_CONF ]; then + echo "Cannot load iptables rules: $IPTABLES_CONF is missing!" >&2 + exit 1 + fi + stat_busy "Starting IP Tables" + if [ "$IPTABLES_FORWARD" = "1" ]; then + echo 1 >/proc/sys/net/ipv4/ip_forward + fi + if ck_daemon iptables; then + /usr/sbin/iptables-restore < $IPTABLES_CONF + if [ $? -gt 0 ]; then + stat_fail + else + add_daemon iptables + stat_done + fi + else + stat_fail + fi + ;; + stop) + stat_busy "Stopping IP Tables" + echo 0 >/proc/sys/net/ipv4/ip_forward + if ! ck_daemon iptables; then + fail=0 + for table in $(cat /proc/net/ip_tables_names); do + $IPTABLES -t $table -F &>/dev/null && \ + $IPTABLES -t $table -X &>/dev/null && \ + $IPTABLES -t $table -Z &>/dev/null + [ $? -gt 0 ] && fail=1 + done + if [ $fail -gt 0 ]; then + stat_fail + else + rm_daemon iptables + # reset policies + for table in filter nat mangle raw; do + if grep -qw $table /proc/net/ip_tables_names; then + $IPTABLES -t $table -P OUTPUT ACCEPT + fi + done + for table in filter mangle; do + if grep -qw $table /proc/net/ip_tables_names; then + $IPTABLES -t $table -P INPUT ACCEPT + $IPTABLES -t $table -P FORWARD ACCEPT + fi + done + for table in nat mangle raw; do + if grep -qw $table /proc/net/ip_tables_names; then + $IPTABLES -t $table -P PREROUTING ACCEPT + fi + done + for table in nat mangle; do + if grep -qw $table /proc/net/ip_tables_names; then + $IPTABLES -t $table -P POSTROUTING ACCEPT + fi + done + stat_done + fi + else + stat_fail + fi + ;; + restart) + $0 stop + sleep 2 + $0 start + ;; + save) + stat_busy "Saving IP Tables" + /usr/sbin/iptables-save >$IPTABLES_CONF + if [ $? -gt 0 ]; then + stat_fail + else + stat_done + fi + ;; + *) + echo "usage: $0 {start|stop|restart|save}" +esac +exit 0 |