mirror of
https://gitlab.com/shorewall/code.git
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Add lib.commands
git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@4743 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
This commit is contained in:
teastep
parent
a22ec871ff
commit
112dca9067
@ -14,6 +14,8 @@ Changes in 3.3.4
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7) Support ip ranges in the drop, logdrop, reject, and allow commands.
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8) Add lib.commands.
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Changes in 3.3.3
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1) Fix excluding in SUBNET column.
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826
Shorewall/lib.command
Normal file
826
Shorewall/lib.command
Normal file
@ -0,0 +1,826 @@
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#!/bin/sh
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#
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# Shorewall 3.3 -- /usr/share/shorewall/lib.command
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#
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# This program is under GPL [http://www.gnu.org/copyleft/gpl.htm]
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#
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# (c) 1999,2000,2001,2002,2003,2004,2005,2006 - Tom Eastep (teastep@shorewall.net)
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#
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# Complete documentation is available at http://shorewall.net
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of Version 2 of the GNU General Public License
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# as published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA
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#
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# This library contains the command processing code common to /sbin/shorewall and
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# /sbin/shorewall-lite.
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#
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#
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# Fatal Error
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#
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fatal_error() # $@ = Message
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{
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echo " $@" >&2
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exit 2
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}
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# Display a chain if it exists
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#
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showfirstchain() # $1 = name of chain
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{
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awk \
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'BEGIN {prnt=0; rslt=1; }; \
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/^$/ { next; };\
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/^Chain/ {if ( prnt == 1 ) { rslt=0; exit 0; }; };\
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/Chain '$1'/ { prnt=1; }; \
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{ if (prnt == 1) print; };\
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END { exit rslt; }' $TMPFILE
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}
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showchain() # $1 = name of chain
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{
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if [ "$firstchain" = "Yes" ]; then
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if showfirstchain $1; then
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firstchain=
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fi
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else
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awk \
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'BEGIN {prnt=0;};\
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/^$|^ pkts/ { next; };\
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/^Chain/ {if ( prnt == 1 ) exit; };\
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/Chain '$1'/ { prnt=1; };\
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{ if (prnt == 1) print; }' $TMPFILE
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fi
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}
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#
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# The 'awk' hack that compensates for bugs in iptables-save (or rather in the extension modules).
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#
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iptablesbug()
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{
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if qt mywhich awk ; then
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awk 'BEGIN { sline=""; };\
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/^-j/ { print sline $0; next };\
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/-m policy.*-j/ { print $0; next };\
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/-m policy/ { sline=$0; next };\
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/--mask ff/ { sub( /--mask ff/, "--mask 0xff" ) };\
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{ print ; sline="" }'
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else
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echo " WARNING: You don't have 'awk' on this system so the output of the save command may be unusable" >&2
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cat
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fi
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}
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#
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# Validate the value of RESTOREFILE
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#
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validate_restorefile() # $* = label
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{
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case $RESTOREFILE in
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*/*)
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error_message "ERROR: $@ must specify a simple file name: $RESTOREFILE"
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exit 2
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;;
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.*)
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error_message "ERROR: Reserved File Name: $RESTOREFILE"
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exit 2
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;;
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esac
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}
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#
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# Clear descriptor 1 if it is a terminal
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#
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clear_term() {
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[ -t 1 ] && clear
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}
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#
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# Delay $timeout seconds -- if we're running on a recent bash2 then allow
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# <enter> to terminate the delay
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#
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timed_read ()
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{
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read -t $timeout foo 2> /dev/null
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test $? -eq 2 && sleep $timeout
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}
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#
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# Display the last $1 packets logged
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#
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packet_log() # $1 = number of messages
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{
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local options
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[ -n "$realtail" ] && options="-n$1"
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if [ -n "$SHOWMACS" -o $VERBOSE -gt 2 ]; then
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grep 'IN=.* OUT=' $LOGFILE | \
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sed s/" kernel:"// | \
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sed s/" $host $LOGFORMAT"/" "/ | \
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tail $options
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else
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grep 'IN=.* OUT=' $LOGFILE | \
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sed s/" kernel:"// | \
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sed s/" $host $LOGFORMAT"/" "/ | \
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sed 's/MAC=.* SRC=/SRC=/' | \
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tail $options
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fi
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}
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#
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# Show traffic control information
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#
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show_tc() {
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show_one_tc() {
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local device=${1%@*}
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qdisc=$(tc qdisc list dev $device)
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if [ -n "$qdisc" ]; then
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echo Device $device:
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tc -s -d qdisc show dev $device
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tc -s -d class show dev $device
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echo
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fi
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}
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ip link list | \
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while read inx interface details; do
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case $inx in
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[0-9]*)
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show_one_tc ${interface%:}
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;;
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*)
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;;
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esac
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done
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}
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#
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# Show classifier information
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#
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show_classifiers() {
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show_one_classifier() {
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local device=${1%@*}
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qdisc=$(tc qdisc list dev $device)
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if [ -n "$qdisc" ]; then
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echo Device $device:
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tc -s filter ls dev $device
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echo
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fi
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}
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ip link list | \
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while read inx interface details; do
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case $inx in
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[0-9]*)
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show_one_classifier ${interface%:}
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;;
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*)
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;;
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esac
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done
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}
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#
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# Watch the Firewall Log
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#
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logwatch() # $1 = timeout -- if negative, prompt each time that
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# an 'interesting' packet count changes
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{
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host=$(echo $HOSTNAME | sed 's/\..*$//')
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oldrejects=$($IPTABLES -L -v -n | grep 'LOG')
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if [ $1 -lt 0 ]; then
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timeout=$((- $1))
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pause="Yes"
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else
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pause="No"
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timeout=$1
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fi
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qt mywhich awk && haveawk=Yes || haveawk=
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while true; do
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clear_term
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echo "$banner $(date)"
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echo
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echo "Dropped/Rejected Packet Log ($LOGFILE)"
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echo
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show_reset
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rejects=$($IPTABLES -L -v -n | grep 'LOG')
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if [ "$rejects" != "$oldrejects" ]; then
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oldrejects="$rejects"
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$RING_BELL
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packet_log 40
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if [ "$pause" = "Yes" ]; then
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echo
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echo $ECHO_N 'Enter any character to continue: '
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read foo
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else
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timed_read
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fi
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else
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echo
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packet_log 40
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timed_read
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fi
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done
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}
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#
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# Save currently running configuration
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#
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save_config() {
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if shorewall_is_started ; then
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[ -d ${VARDIR} ] || mkdir -p ${VARDIR}
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if [ -f $RESTOREPATH -a ! -x $RESTOREPATH ]; then
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echo " ERROR: $RESTOREPATH exists and is not a saved $PRODUCT configuration"
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else
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case $RESTOREFILE in
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save|restore-base)
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echo " ERROR: Reserved file name: $RESTOREFILE"
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;;
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*)
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if $IPTABLES -L dynamic -n > ${VARDIR}/save; then
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echo " Dynamic Rules Saved"
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if [ -f ${VARDIR}/.restore ]; then
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if iptables-save | iptablesbug > ${VARDIR}/restore-$$; then
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cp -f ${VARDIR}/.restore $RESTOREPATH
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mv -f ${VARDIR}/restore-$$ ${RESTOREPATH}-iptables
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chmod +x $RESTOREPATH
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echo " Currently-running Configuration Saved to $RESTOREPATH"
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rm -f ${RESTOREPATH}-ipsets
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case ${SAVE_IPSETS:-No} in
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[Yy][Ee][Ss])
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RESTOREPATH=${RESTOREPATH}-ipsets
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f=${VARDIR}/restore-$$
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echo "#!/bin/sh" > $f
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echo "#This ipset restore file generated $(date) by Shorewall $version" >> $f
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echo >> $f
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echo ". ${SHAREDIR}/lib.base" >> $f
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echo >> $f
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grep '^MODULE' ${VARDIR}/restore-base >> $f
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echo "reload_kernel_modules << __EOF__" >> $f
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grep 'loadmodule ip_set' ${VARDIR}/restore-base >> $f
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echo "__EOF__" >> $f
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echo >> $f
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echo "ipset -U :all: :all:" >> $f
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echo "ipset -F" >> $f
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echo "ipset -X" >> $f
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echo "ipset -R << __EOF__" >> $f
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ipset -S >> $f
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echo "__EOF__" >> $f
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mv -f $f $RESTOREPATH
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chmod +x $RESTOREPATH
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echo " Current Ipset Contents Saved to $RESTOREPATH"
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;;
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[Nn][Oo])
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;;
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*)
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echo " WARNING: Invalid value ($SAVE_IPSETS) for SAVE_IPSETS. Ipset contents not saved"
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;;
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esac
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else
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rm -f ${VARDIR}/restore-$$
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echo " ERROR: Currently-running Configuration Not Saved"
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fi
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else
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echo " ERROR: ${VARDIR}/.restore does not exist"
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fi
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else
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echo "Error Saving the Dynamic Rules"
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fi
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;;
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esac
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fi
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else
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echo "Shorewall isn't started"
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fi
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}
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#
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# Show routing configuration
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#
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show_routing() {
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if [ -n "$(ip rule ls)" ]; then
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heading "Routing Rules"
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ip rule ls
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ip rule ls | while read rule; do
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echo ${rule##* }
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done | sort -u | while read table; do
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heading "Table $table:"
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ip route ls table $table
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done
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else
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heading "Routing Table"
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ip route ls
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fi
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}
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#
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# Show Command Executor
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#
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show_command() {
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local finished=0
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while [ $finished -eq 0 -a $# -gt 0 ]; do
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option=$1
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case $option in
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-*)
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option=${option#-}
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while [ -n "$option" ]; do
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case $option in
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-)
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finished=1
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option=
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;;
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v*)
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VERBOSE=$(($VERBOSE + 1 ))
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option=${option#v}
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;;
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x*)
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IPT_OPTIONS="-xnv"
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option=${option#x}
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;;
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m*)
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SHOWMACS=Yes
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option=${option#m}
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;;
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f*)
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FILEMODE=Yes
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option=${option#f}
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;;
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*)
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usage 1
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;;
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esac
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done
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shift
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;;
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*)
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finished=1
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;;
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esac
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done
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[ -n "$debugging" ] && set -x
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case "$1" in
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connections)
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[ $# -gt 1 ] && usage 1
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echo "$PRODUCT $version Connections at $HOSTNAME - $(date)"
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echo
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cat /proc/net/ip_conntrack
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;;
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nat)
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[ $# -gt 1 ] && usage 1
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echo "$PRODUCT $version NAT Table at $HOSTNAME - $(date)"
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echo
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show_reset
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$IPTABLES -t nat -L $IPT_OPTIONS
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;;
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tos|mangle)
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[ $# -gt 1 ] && usage 1
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echo "$PRODUCT $version Mangle Table at $HOSTNAME - $(date)"
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echo
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show_reset
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$IPTABLES -t mangle -L $IPT_OPTIONS
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;;
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log)
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[ $# -gt 1 ] && usage 1
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echo "$PRODUCT $version Log ($LOGFILE) at $HOSTNAME - $(date)"
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echo
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show_reset
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host=$(echo $HOSTNAME | sed 's/\..*$//')
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packet_log 20
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;;
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tc)
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[ $# -gt 1 ] && usage 1
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echo "$PRODUCT $version Traffic Control at $HOSTNAME - $(date)"
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echo
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show_tc
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;;
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classifiers)
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[ $# -gt 1 ] && usage 1
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echo "$PRODUCT $version Clasifiers at $HOSTNAME - $(date)"
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echo
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show_classifiers
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;;
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zones)
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[ $# -gt 1 ] && usage 1
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||||
if [ -f ${VARDIR}/zones ]; then
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echo "$PRODUCT $version Zones at $HOSTNAME - $(date)"
|
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echo
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while read zone type hosts; do
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||||
echo "$zone ($type)"
|
||||
for host in $hosts; do
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||||
case $host in
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exclude)
|
||||
echo " exclude:"
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||||
;;
|
||||
*)
|
||||
echo " $host"
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||||
;;
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||||
esac
|
||||
done
|
||||
done < ${VARDIR}/zones
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||||
echo
|
||||
else
|
||||
echo " ERROR: ${VARDIR}/zones does not exist" >&2
|
||||
exit 1
|
||||
fi
|
||||
;;
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||||
capabilities)
|
||||
[ $# -gt 1 ] && usage 1
|
||||
determine_capabilities
|
||||
VERBOSE=2
|
||||
if [ -n "$FILEMODE" ]; then
|
||||
report_capabilities1
|
||||
else
|
||||
report_capabilities
|
||||
fi
|
||||
;;
|
||||
ip)
|
||||
[ $# -gt 1 ] && usage 1
|
||||
echo "$PRODUCT $version IP at $HOSTNAME - $(date)"
|
||||
echo
|
||||
ip addr ls
|
||||
;;
|
||||
routing)
|
||||
[ $# -gt 1 ] && usage 1
|
||||
echo "$PRODUCT $version Routing at $HOSTNAME - $(date)"
|
||||
echo
|
||||
show_routing
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||||
;;
|
||||
config)
|
||||
. ${SHAREDIR}/configpath
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||||
echo "Default CONFIG_PATH is $CONFIG_PATH"
|
||||
echo "LITEDIR is $LITEDIR"
|
||||
;;
|
||||
*)
|
||||
if [ "$PRODUCT" = Shorewall ]; then
|
||||
case $1 in
|
||||
actions)
|
||||
[ $# -gt 1 ] && usage 1
|
||||
echo "allowBcast # Silently Allow Broadcast/multicast"
|
||||
echo "dropBcast # Silently Drop Broadcast/multicast"
|
||||
echo "dropNotSyn # Silently Drop Non-syn TCP packets"
|
||||
echo "rejNotSyn # Silently Reject Non-syn TCP packets"
|
||||
echo "dropInvalid # Silently Drop packets that are in the INVALID conntrack state"
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||||
echo "allowInvalid # Accept packets that are in the INVALID conntrack state."
|
||||
echo "allowoutUPnP # Allow traffic from local command 'upnpd'"
|
||||
echo "allowinUPnP # Allow UPnP inbound (to firewall) traffic"
|
||||
echo "forwardUPnP # Allow traffic that upnpd has redirected from"
|
||||
cat ${SHAREDIR}/actions.std ${CONFDIR}/actions | grep -Ev '^\#|^$'
|
||||
return
|
||||
;;
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||||
macros)
|
||||
[ $# -gt 1 ] && usage 1
|
||||
for macro in ${SHAREDIR}/macro.*; do
|
||||
foo=`grep 'This macro' $macro | sed 's/This macro //'`
|
||||
if [ -n "$foo" ]; then
|
||||
macro=${macro#*.}
|
||||
foo=${foo%.*}
|
||||
echo " $macro ${foo#\#}"
|
||||
fi
|
||||
done
|
||||
return
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
|
||||
echo "$PRODUCT $version $([ $# -gt 0 ] && echo Chains || echo Chain) $* at $HOSTNAME - $(date)"
|
||||
echo
|
||||
show_reset
|
||||
if [ $# -gt 0 ]; then
|
||||
for chain in $*; do
|
||||
$IPTABLES -L $chain $IPT_OPTIONS
|
||||
done
|
||||
else
|
||||
$IPTABLES -L $IPT_OPTIONS
|
||||
fi
|
||||
;;
|
||||
esac
|
||||
}
|
||||
|
||||
#
|
||||
# Dump Command Executor
|
||||
#
|
||||
dump_command() {
|
||||
local finished=0
|
||||
|
||||
while [ $finished -eq 0 -a $# -gt 0 ]; do
|
||||
option=$1
|
||||
case $option in
|
||||
-*)
|
||||
option=${option#-}
|
||||
|
||||
while [ -n "$option" ]; do
|
||||
case $option in
|
||||
-)
|
||||
finished=1
|
||||
option=
|
||||
;;
|
||||
x*)
|
||||
IPT_OPTIONS="-xnv"
|
||||
option=${option#x}
|
||||
;;
|
||||
*)
|
||||
usage 1
|
||||
;;
|
||||
esac
|
||||
done
|
||||
shift
|
||||
;;
|
||||
*)
|
||||
finished=1
|
||||
;;
|
||||
esac
|
||||
done
|
||||
|
||||
[ $VERBOSE -lt 2 ] && VERBOSE=2
|
||||
|
||||
[ -n "$debugging" ] && set -x
|
||||
[ $# -eq 0 ] || usage 1
|
||||
clear_term
|
||||
echo "$PRODUCT $version Dump at $HOSTNAME - $(date)"
|
||||
echo
|
||||
show_reset
|
||||
host=$(echo $HOSTNAME | sed 's/\..*$//')
|
||||
$IPTABLES -L $IPT_OPTIONS
|
||||
|
||||
heading "Log ($LOGFILE)"
|
||||
packet_log 20
|
||||
|
||||
heading "NAT Table"
|
||||
$IPTABLES -t nat -L $IPT_OPTIONS
|
||||
|
||||
heading "Mangle Table"
|
||||
$IPTABLES -t mangle -L $IPT_OPTIONS
|
||||
|
||||
heading "Conntrack Table"
|
||||
cat /proc/net/ip_conntrack
|
||||
|
||||
heading "IP Configuration"
|
||||
ip addr ls
|
||||
|
||||
heading "IP Stats"
|
||||
ip -stat link ls
|
||||
|
||||
if qt mywhich brctl; then
|
||||
heading "Bridges"
|
||||
brctl show
|
||||
fi
|
||||
|
||||
heading "/proc"
|
||||
show_proc /proc/version
|
||||
show_proc /proc/sys/net/ipv4/ip_forward
|
||||
show_proc /proc/sys/net/ipv4/icmp_echo_ignore_all
|
||||
|
||||
for directory in /proc/sys/net/ipv4/conf/*; do
|
||||
for file in proxy_arp arp_filter arp_ignore rp_filter log_martians; do
|
||||
show_proc $directory/$file
|
||||
done
|
||||
done
|
||||
|
||||
show_routing
|
||||
|
||||
heading "ARP"
|
||||
arp -na
|
||||
|
||||
if qt mywhich lsmod; then
|
||||
heading "Modules"
|
||||
lsmod | grep -E '^ip_|^ipt_|^iptable_'
|
||||
fi
|
||||
|
||||
determine_capabilities
|
||||
echo
|
||||
report_capabilities
|
||||
|
||||
if [ -n "$TC_ENABLED" ]; then
|
||||
heading "Traffic Control"
|
||||
show_tc
|
||||
heading "TC Filters"
|
||||
show_classifiers
|
||||
fi
|
||||
}
|
||||
|
||||
#
|
||||
# Restore Comand Executor
|
||||
#
|
||||
restore_command() {
|
||||
local finished=0
|
||||
|
||||
while [ $finished -eq 0 -a $# -gt 0 ]; do
|
||||
option=$1
|
||||
case $option in
|
||||
-*)
|
||||
option=${option#-}
|
||||
|
||||
while [ -n "$option" ]; do
|
||||
case $option in
|
||||
-)
|
||||
finished=1
|
||||
option=
|
||||
;;
|
||||
n*)
|
||||
NOROUTES=Yes
|
||||
option=${option#n}
|
||||
;;
|
||||
*)
|
||||
usage 1
|
||||
;;
|
||||
esac
|
||||
done
|
||||
shift
|
||||
;;
|
||||
*)
|
||||
finished=1
|
||||
;;
|
||||
esac
|
||||
done
|
||||
|
||||
case $# in
|
||||
0)
|
||||
;;
|
||||
1)
|
||||
RESTOREFILE="$1"
|
||||
validate_restorefile '<restore file>'
|
||||
;;
|
||||
*)
|
||||
usage 1
|
||||
;;
|
||||
esac
|
||||
|
||||
if [ -z "$STARTUP_ENABLED" ]; then
|
||||
error_message "ERROR: Startup is disabled"
|
||||
exit 2
|
||||
fi
|
||||
|
||||
RESTOREPATH=${VARDIR}/$RESTOREFILE
|
||||
|
||||
export NOROUTES
|
||||
|
||||
[ -n "$nolock" ] || mutex_on
|
||||
|
||||
if [ -x $RESTOREPATH ]; then
|
||||
if [ -x ${RESTOREPATH}-ipsets ] ; then
|
||||
echo Restoring Ipsets...
|
||||
iptables -F
|
||||
iptables -X
|
||||
$SHOREWALL_SHELL ${RESTOREPATH}-ipsets
|
||||
fi
|
||||
|
||||
progress_message3 "Restoring Shorewall..."
|
||||
$SHOREWALL_SHELL $RESTOREPATH restore && progress_message3 "$PRODUCT restored from ${VARDIR}/$RESTOREFILE"
|
||||
[ -n "$nolock" ] || mutex_off
|
||||
else
|
||||
echo "File ${VARDIR}/$RESTOREFILE: file not found"
|
||||
[ -n "$nolock" ] || mutex_off
|
||||
exit 2
|
||||
fi
|
||||
}
|
||||
|
||||
#
|
||||
# Help information
|
||||
#
|
||||
help()
|
||||
{
|
||||
[ -x $HELP ] && { export version; exec $HELP $*; }
|
||||
echo "Help subsystem is not installed at $HELP"
|
||||
}
|
||||
|
||||
#
|
||||
# Display the time that the counters were last reset
|
||||
#
|
||||
show_reset() {
|
||||
[ -f ${VARDIR}/restarted ] && \
|
||||
echo "Counters reset $(cat ${VARDIR}/restarted)" && \
|
||||
echo
|
||||
}
|
||||
|
||||
#
|
||||
# Display's the passed file name followed by "=" and the file's contents.
|
||||
#
|
||||
show_proc() # $1 = name of a file
|
||||
{
|
||||
[ -f $1 ] && echo " $1 = $(cat $1)"
|
||||
}
|
||||
|
||||
read_yesno_with_timeout() {
|
||||
read -t 60 yn 2> /dev/null
|
||||
if [ $? -eq 2 ]
|
||||
then
|
||||
# read doesn't support timeout
|
||||
test -x /bin/bash || return 2 # bash is not installed so the feature is not available
|
||||
/bin/bash -c 'read -t 60 yn ; if [ "$yn" == "y" ] ; then exit 0 ; else exit 1 ; fi' # invoke bash and use its version of read
|
||||
return $?
|
||||
else
|
||||
# read supports timeout
|
||||
case "$yn" in
|
||||
y|Y)
|
||||
return 0
|
||||
;;
|
||||
*)
|
||||
return 1
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
}
|
||||
|
||||
#
|
||||
# Print a heading with leading and trailing black lines
|
||||
#
|
||||
heading() {
|
||||
echo
|
||||
echo "$@"
|
||||
echo
|
||||
}
|
||||
|
||||
#
|
||||
# Create the appropriate -q option to pass onward
|
||||
#
|
||||
make_verbose() {
|
||||
local v=$VERBOSE_OFFSET option=-
|
||||
|
||||
if [ $VERBOSE_OFFSET -gt 0 ]; then
|
||||
while [ $v -gt 0 ]; do
|
||||
option="${option}v"
|
||||
v=$(($v - 1))
|
||||
done
|
||||
|
||||
echo $option
|
||||
elif [ $VERBOSE_OFFSET -lt 0 ]; then
|
||||
while [ $v -lt 0 ]; do
|
||||
option="${option}q"
|
||||
v=$(($v + 1))
|
||||
done
|
||||
|
||||
echo $option
|
||||
fi
|
||||
}
|
||||
|
||||
#
|
||||
# Executor for drop,reject,... commands
|
||||
#
|
||||
block() # $1 = command, $2 = Finished, $3 = Original Command $4 - $n addresses
|
||||
{
|
||||
local chain=$1 finished=$2
|
||||
|
||||
shift 3
|
||||
|
||||
while [ $# -gt 0 ]; do
|
||||
case $1 in
|
||||
*-*)
|
||||
qt $IPTABLES -D dynamic -m iprange --src-range $1 -j reject
|
||||
qt $IPTABLES -D dynamic -m iprange --src-range $1 -j DROP
|
||||
qt $IPTABLES -D dynamic -m iprange --src-range $1 -j logreject
|
||||
qt $IPTABLES -D dynamic -m iprange --src-range $1 -j logdrop
|
||||
$IPTABLES -A dynamic -m iprange --src-range $1 -j $chain || break 1
|
||||
;;
|
||||
*)
|
||||
qt $IPTABLES -D dynamic -s $1 -j reject
|
||||
qt $IPTABLES -D dynamic -s $1 -j DROP
|
||||
qt $IPTABLES -D dynamic -s $1 -j logreject
|
||||
qt $IPTABLES -D dynamic -s $1 -j logdrop
|
||||
$IPTABLES -A dynamic -s $1 -j $chain || break 1
|
||||
;;
|
||||
esac
|
||||
|
||||
echo "$1 $finished"
|
||||
shift
|
||||
done
|
||||
}
|
||||
@ -145,6 +145,11 @@ Other Changes in 3.3.4.
|
||||
4) IP Address ranges are now allowed in the drop, reject, allow and
|
||||
logdrop shorewall[-lite] commands.
|
||||
|
||||
5) The lib.commands library has been added. It is distributed with
|
||||
both Shorewall and Shorewall Lite and contains the
|
||||
command-processing code that is common to both /sbin/shorewall and
|
||||
/sbin/shorewall-lite.
|
||||
|
||||
Migration Considerations:
|
||||
|
||||
1) Shorewall supports the notion of "default actions". A default
|
||||
|
||||
@ -114,81 +114,6 @@
|
||||
#
|
||||
# shorewall compile [ -e ] [ <directory> ] <filename>
|
||||
# Compile a firewall program file.
|
||||
#
|
||||
# Fatal Error
|
||||
#
|
||||
fatal_error() # $@ = Message
|
||||
{
|
||||
echo " $@" >&2
|
||||
exit 2
|
||||
}
|
||||
|
||||
# Display a chain if it exists
|
||||
#
|
||||
|
||||
showfirstchain() # $1 = name of chain
|
||||
{
|
||||
awk \
|
||||
'BEGIN {prnt=0; rslt=1; }; \
|
||||
/^$/ { next; };\
|
||||
/^Chain/ {if ( prnt == 1 ) { rslt=0; exit 0; }; };\
|
||||
/Chain '$1'/ { prnt=1; }; \
|
||||
{ if (prnt == 1) print; };\
|
||||
END { exit rslt; }' $TMPFILE
|
||||
}
|
||||
|
||||
showchain() # $1 = name of chain
|
||||
{
|
||||
if [ "$firstchain" = "Yes" ]; then
|
||||
if showfirstchain $1; then
|
||||
firstchain=
|
||||
fi
|
||||
else
|
||||
awk \
|
||||
'BEGIN {prnt=0;};\
|
||||
/^$|^ pkts/ { next; };\
|
||||
/^Chain/ {if ( prnt == 1 ) exit; };\
|
||||
/Chain '$1'/ { prnt=1; };\
|
||||
{ if (prnt == 1) print; }' $TMPFILE
|
||||
fi
|
||||
}
|
||||
|
||||
#
|
||||
# The 'awk' hack that compensates for bugs in iptables-save (or rather in the extension modules).
|
||||
#
|
||||
|
||||
iptablesbug()
|
||||
{
|
||||
if qt mywhich awk ; then
|
||||
awk 'BEGIN { sline=""; };\
|
||||
/^-j/ { print sline $0; next };\
|
||||
/-m policy.*-j/ { print $0; next };\
|
||||
/-m policy/ { sline=$0; next };\
|
||||
/--mask ff/ { sub( /--mask ff/, "--mask 0xff" ) };\
|
||||
{ print ; sline="" }'
|
||||
else
|
||||
echo " WARNING: You don't have 'awk' on this system so the output of the save command may be unusable" >&2
|
||||
cat
|
||||
fi
|
||||
}
|
||||
|
||||
#
|
||||
# Validate the value of RESTOREFILE
|
||||
#
|
||||
validate_restorefile() # $* = label
|
||||
{
|
||||
case $RESTOREFILE in
|
||||
*/*)
|
||||
error_message "ERROR: $@ must specify a simple file name: $RESTOREFILE"
|
||||
exit 2
|
||||
;;
|
||||
.*)
|
||||
error_message "ERROR: Reserved File Name: $RESTOREFILE"
|
||||
exit 2
|
||||
;;
|
||||
esac
|
||||
}
|
||||
|
||||
#
|
||||
# Set the configuration variables from shorewall.conf
|
||||
#
|
||||
@ -284,237 +209,6 @@ get_config() {
|
||||
|
||||
}
|
||||
|
||||
#
|
||||
# Clear descriptor 1 if it is a terminal
|
||||
#
|
||||
clear_term() {
|
||||
[ -t 1 ] && clear
|
||||
}
|
||||
|
||||
#
|
||||
# Delay $timeout seconds -- if we're running on a recent bash2 then allow
|
||||
# <enter> to terminate the delay
|
||||
#
|
||||
timed_read ()
|
||||
{
|
||||
read -t $timeout foo 2> /dev/null
|
||||
|
||||
test $? -eq 2 && sleep $timeout
|
||||
}
|
||||
|
||||
#
|
||||
# Display the last $1 packets logged
|
||||
#
|
||||
packet_log() # $1 = number of messages
|
||||
{
|
||||
local options
|
||||
|
||||
[ -n "$realtail" ] && options="-n$1"
|
||||
|
||||
if [ -n "$SHOWMACS" -o $VERBOSE -gt 2 ]; then
|
||||
grep 'IN=.* OUT=' $LOGFILE | \
|
||||
sed s/" kernel:"// | \
|
||||
sed s/" $host $LOGFORMAT"/" "/ | \
|
||||
tail $options
|
||||
else
|
||||
grep 'IN=.* OUT=' $LOGFILE | \
|
||||
sed s/" kernel:"// | \
|
||||
sed s/" $host $LOGFORMAT"/" "/ | \
|
||||
sed 's/MAC=.* SRC=/SRC=/' | \
|
||||
tail $options
|
||||
fi
|
||||
}
|
||||
|
||||
#
|
||||
# Show traffic control information
|
||||
#
|
||||
show_tc() {
|
||||
|
||||
show_one_tc() {
|
||||
local device=${1%@*}
|
||||
qdisc=$(tc qdisc list dev $device)
|
||||
|
||||
if [ -n "$qdisc" ]; then
|
||||
echo Device $device:
|
||||
tc -s -d qdisc show dev $device
|
||||
tc -s -d class show dev $device
|
||||
echo
|
||||
fi
|
||||
}
|
||||
|
||||
ip link list | \
|
||||
while read inx interface details; do
|
||||
case $inx in
|
||||
[0-9]*)
|
||||
show_one_tc ${interface%:}
|
||||
;;
|
||||
*)
|
||||
;;
|
||||
esac
|
||||
done
|
||||
|
||||
}
|
||||
|
||||
#
|
||||
# Show classifier information
|
||||
#
|
||||
show_classifiers() {
|
||||
|
||||
show_one_classifier() {
|
||||
local device=${1%@*}
|
||||
qdisc=$(tc qdisc list dev $device)
|
||||
|
||||
if [ -n "$qdisc" ]; then
|
||||
echo Device $device:
|
||||
tc -s filter ls dev $device
|
||||
echo
|
||||
fi
|
||||
}
|
||||
|
||||
ip link list | \
|
||||
while read inx interface details; do
|
||||
case $inx in
|
||||
[0-9]*)
|
||||
show_one_classifier ${interface%:}
|
||||
;;
|
||||
*)
|
||||
;;
|
||||
esac
|
||||
done
|
||||
|
||||
}
|
||||
|
||||
#
|
||||
# Watch the Firewall Log
|
||||
#
|
||||
logwatch() # $1 = timeout -- if negative, prompt each time that
|
||||
# an 'interesting' packet count changes
|
||||
{
|
||||
|
||||
host=$(echo $HOSTNAME | sed 's/\..*$//')
|
||||
oldrejects=$($IPTABLES -L -v -n | grep 'LOG')
|
||||
|
||||
if [ $1 -lt 0 ]; then
|
||||
timeout=$((- $1))
|
||||
pause="Yes"
|
||||
else
|
||||
pause="No"
|
||||
timeout=$1
|
||||
fi
|
||||
|
||||
qt mywhich awk && haveawk=Yes || haveawk=
|
||||
|
||||
while true; do
|
||||
clear_term
|
||||
echo "$banner $(date)"
|
||||
echo
|
||||
|
||||
echo "Dropped/Rejected Packet Log ($LOGFILE)"
|
||||
echo
|
||||
|
||||
show_reset
|
||||
|
||||
rejects=$($IPTABLES -L -v -n | grep 'LOG')
|
||||
|
||||
if [ "$rejects" != "$oldrejects" ]; then
|
||||
oldrejects="$rejects"
|
||||
|
||||
$RING_BELL
|
||||
|
||||
packet_log 40
|
||||
|
||||
if [ "$pause" = "Yes" ]; then
|
||||
echo
|
||||
echo $ECHO_N 'Enter any character to continue: '
|
||||
read foo
|
||||
else
|
||||
timed_read
|
||||
fi
|
||||
else
|
||||
echo
|
||||
packet_log 40
|
||||
timed_read
|
||||
fi
|
||||
done
|
||||
}
|
||||
|
||||
#
|
||||
# Save currently running configuration
|
||||
#
|
||||
save_config() {
|
||||
if shorewall_is_started ; then
|
||||
[ -d ${VARDIR} ] || mkdir -p ${VARDIR}
|
||||
|
||||
if [ -f $RESTOREPATH -a ! -x $RESTOREPATH ]; then
|
||||
echo " ERROR: $RESTOREPATH exists and is not a saved Shorewall configuration"
|
||||
else
|
||||
case $RESTOREFILE in
|
||||
save|restore-base)
|
||||
echo " ERROR: Reserved file name: $RESTOREFILE"
|
||||
;;
|
||||
*)
|
||||
if $IPTABLES -L dynamic -n > ${VARDIR}/save; then
|
||||
echo " Dynamic Rules Saved"
|
||||
if [ -f ${VARDIR}/.restore ]; then
|
||||
if iptables-save | iptablesbug > ${VARDIR}/restore-$$; then
|
||||
cp -f ${VARDIR}/.restore $RESTOREPATH
|
||||
mv -f ${VARDIR}/restore-$$ ${RESTOREPATH}-iptables
|
||||
chmod +x $RESTOREPATH
|
||||
echo " Currently-running Configuration Saved to $RESTOREPATH"
|
||||
|
||||
rm -f ${RESTOREPATH}-ipsets
|
||||
|
||||
case ${SAVE_IPSETS:-No} in
|
||||
[Yy][Ee][Ss])
|
||||
RESTOREPATH=${RESTOREPATH}-ipsets
|
||||
|
||||
f=${VARDIR}/restore-$$
|
||||
|
||||
echo "#!/bin/sh" > $f
|
||||
echo "#This ipset restore file generated $(date) by Shorewall $version" >> $f
|
||||
echo >> $f
|
||||
echo ". ${SHAREDIR}/lib.base" >> $f
|
||||
echo >> $f
|
||||
grep '^MODULE' ${VARDIR}/restore-base >> $f
|
||||
echo "reload_kernel_modules << __EOF__" >> $f
|
||||
grep 'loadmodule ip_set' ${VARDIR}/restore-base >> $f
|
||||
echo "__EOF__" >> $f
|
||||
echo >> $f
|
||||
echo "ipset -U :all: :all:" >> $f
|
||||
echo "ipset -F" >> $f
|
||||
echo "ipset -X" >> $f
|
||||
echo "ipset -R << __EOF__" >> $f
|
||||
ipset -S >> $f
|
||||
echo "__EOF__" >> $f
|
||||
mv -f $f $RESTOREPATH
|
||||
chmod +x $RESTOREPATH
|
||||
echo " Current Ipset Contents Saved to $RESTOREPATH"
|
||||
;;
|
||||
[Nn][Oo])
|
||||
;;
|
||||
*)
|
||||
echo " WARNING: Invalid value ($SAVE_IPSETS) for SAVE_IPSETS. Ipset contents not saved"
|
||||
;;
|
||||
esac
|
||||
else
|
||||
rm -f ${VARDIR}/restore-$$
|
||||
echo " ERROR: Currently-running Configuration Not Saved"
|
||||
fi
|
||||
else
|
||||
echo " ERROR: ${VARDIR}/.restore does not exist"
|
||||
fi
|
||||
else
|
||||
echo "Error Saving the Dynamic Rules"
|
||||
fi
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
else
|
||||
echo "Shorewall isn't started"
|
||||
fi
|
||||
|
||||
}
|
||||
|
||||
#
|
||||
# Start Command Executor
|
||||
#
|
||||
@ -917,305 +611,6 @@ refresh_command() {
|
||||
[ -n "$nolock" ] || mutex_off
|
||||
}
|
||||
|
||||
#
|
||||
# Show routing configuration
|
||||
#
|
||||
show_routing() {
|
||||
if [ -n "$(ip rule ls)" ]; then
|
||||
heading "Routing Rules"
|
||||
ip rule ls
|
||||
ip rule ls | while read rule; do
|
||||
echo ${rule##* }
|
||||
done | sort -u | while read table; do
|
||||
heading "Table $table:"
|
||||
ip route ls table $table
|
||||
done
|
||||
else
|
||||
heading "Routing Table"
|
||||
ip route ls
|
||||
fi
|
||||
}
|
||||
|
||||
#
|
||||
# Show Command Executor
|
||||
#
|
||||
show_command() {
|
||||
local finished=0
|
||||
|
||||
while [ $finished -eq 0 -a $# -gt 0 ]; do
|
||||
option=$1
|
||||
case $option in
|
||||
-*)
|
||||
option=${option#-}
|
||||
|
||||
while [ -n "$option" ]; do
|
||||
case $option in
|
||||
-)
|
||||
finished=1
|
||||
option=
|
||||
;;
|
||||
v*)
|
||||
VERBOSE=$(($VERBOSE + 1 ))
|
||||
option=${option#v}
|
||||
;;
|
||||
x*)
|
||||
IPT_OPTIONS="-xnv"
|
||||
option=${option#x}
|
||||
;;
|
||||
m*)
|
||||
SHOWMACS=Yes
|
||||
option=${option#m}
|
||||
;;
|
||||
f*)
|
||||
FILEMODE=Yes
|
||||
option=${option#f}
|
||||
;;
|
||||
*)
|
||||
usage 1
|
||||
;;
|
||||
esac
|
||||
done
|
||||
shift
|
||||
;;
|
||||
*)
|
||||
finished=1
|
||||
;;
|
||||
esac
|
||||
done
|
||||
|
||||
[ -n "$debugging" ] && set -x
|
||||
case "$1" in
|
||||
connections)
|
||||
[ $# -gt 1 ] && usage 1
|
||||
echo "Shorewall-$version Connections at $HOSTNAME - $(date)"
|
||||
echo
|
||||
cat /proc/net/ip_conntrack
|
||||
;;
|
||||
nat)
|
||||
[ $# -gt 1 ] && usage 1
|
||||
echo "Shorewall-$version NAT Table at $HOSTNAME - $(date)"
|
||||
echo
|
||||
show_reset
|
||||
$IPTABLES -t nat -L $IPT_OPTIONS
|
||||
;;
|
||||
tos|mangle)
|
||||
[ $# -gt 1 ] && usage 1
|
||||
echo "Shorewall-$version Mangle Table at $HOSTNAME - $(date)"
|
||||
echo
|
||||
show_reset
|
||||
$IPTABLES -t mangle -L $IPT_OPTIONS
|
||||
;;
|
||||
log)
|
||||
[ $# -gt 1 ] && usage 1
|
||||
echo "Shorewall-$version Log ($LOGFILE) at $HOSTNAME - $(date)"
|
||||
echo
|
||||
show_reset
|
||||
host=$(echo $HOSTNAME | sed 's/\..*$//')
|
||||
packet_log 20
|
||||
;;
|
||||
tc)
|
||||
[ $# -gt 1 ] && usage 1
|
||||
echo "Shorewall-$version Traffic Control at $HOSTNAME - $(date)"
|
||||
echo
|
||||
show_tc
|
||||
;;
|
||||
classifiers)
|
||||
[ $# -gt 1 ] && usage 1
|
||||
echo "Shorewall-$version Clasifiers at $HOSTNAME - $(date)"
|
||||
echo
|
||||
show_classifiers
|
||||
;;
|
||||
zones)
|
||||
[ $# -gt 1 ] && usage 1
|
||||
if [ -f ${VARDIR}/zones ]; then
|
||||
echo "Shorewall-$version Zones at $HOSTNAME - $(date)"
|
||||
echo
|
||||
while read zone type hosts; do
|
||||
echo "$zone ($type)"
|
||||
for host in $hosts; do
|
||||
case $host in
|
||||
exclude)
|
||||
echo " exclude:"
|
||||
;;
|
||||
*)
|
||||
echo " $host"
|
||||
;;
|
||||
esac
|
||||
done
|
||||
done < ${VARDIR}/zones
|
||||
echo
|
||||
else
|
||||
echo " ERROR: ${VARDIR}/zones does not exist" >&2
|
||||
exit 1
|
||||
fi
|
||||
;;
|
||||
capabilities)
|
||||
[ $# -gt 1 ] && usage 1
|
||||
determine_capabilities
|
||||
VERBOSE=2
|
||||
if [ -n "$FILEMODE" ]; then
|
||||
report_capabilities1
|
||||
else
|
||||
report_capabilities
|
||||
fi
|
||||
;;
|
||||
actions)
|
||||
[ $# -gt 1 ] && usage 1
|
||||
echo "allowBcast # Silently Allow Broadcast/multicast"
|
||||
echo "dropBcast # Silently Drop Broadcast/multicast"
|
||||
echo "dropNotSyn # Silently Drop Non-syn TCP packets"
|
||||
echo "rejNotSyn # Silently Reject Non-syn TCP packets"
|
||||
echo "dropInvalid # Silently Drop packets that are in the INVALID conntrack state"
|
||||
echo "allowInvalid # Accept packets that are in the INVALID conntrack state."
|
||||
echo "allowoutUPnP # Allow traffic from local command 'upnpd'"
|
||||
echo "allowinUPnP # Allow UPnP inbound (to firewall) traffic"
|
||||
echo "forwardUPnP # Allow traffic that upnpd has redirected from"
|
||||
cat ${SHAREDIR}/actions.std ${CONFDIR}/actions | grep -Ev '^\#|^$'
|
||||
;;
|
||||
macros)
|
||||
[ $# -gt 1 ] && usage 1
|
||||
for macro in ${SHAREDIR}/macro.*; do
|
||||
foo=`grep 'This macro' $macro | sed 's/This macro //'`
|
||||
if [ -n "$foo" ]; then
|
||||
macro=${macro#*.}
|
||||
foo=${foo%.*}
|
||||
echo " $macro ${foo#\#}"
|
||||
fi
|
||||
done
|
||||
;;
|
||||
ip)
|
||||
[ $# -gt 1 ] && usage 1
|
||||
echo "Shorewall Lite $version IP at $HOSTNAME - $(date)"
|
||||
echo
|
||||
ip addr ls
|
||||
;;
|
||||
routing)
|
||||
[ $# -gt 1 ] && usage 1
|
||||
echo "Shorewall Lite $version Routing at $HOSTNAME - $(date)"
|
||||
echo
|
||||
show_routing
|
||||
;;
|
||||
config)
|
||||
. ${SHAREDIR}/configpath
|
||||
echo "Default CONFIG_PATH is $CONFIG_PATH"
|
||||
echo "LITEDIR is $LITEDIR"
|
||||
;;
|
||||
*)
|
||||
echo "Shorewall-$version $([ $# -gt 0 ] && echo Chains || echo Chain) $* at $HOSTNAME - $(date)"
|
||||
echo
|
||||
show_reset
|
||||
if [ $# -gt 0 ]; then
|
||||
for chain in $*; do
|
||||
$IPTABLES -L $chain $IPT_OPTIONS
|
||||
done
|
||||
else
|
||||
$IPTABLES -L $IPT_OPTIONS
|
||||
fi
|
||||
;;
|
||||
esac
|
||||
}
|
||||
#
|
||||
# Dump Command Executor
|
||||
#
|
||||
dump_command() {
|
||||
local finished=0
|
||||
|
||||
while [ $finished -eq 0 -a $# -gt 0 ]; do
|
||||
option=$1
|
||||
case $option in
|
||||
-*)
|
||||
option=${option#-}
|
||||
|
||||
while [ -n "$option" ]; do
|
||||
case $option in
|
||||
-)
|
||||
finished=1
|
||||
option=
|
||||
;;
|
||||
x*)
|
||||
IPT_OPTIONS="-xnv"
|
||||
option=${option#x}
|
||||
;;
|
||||
*)
|
||||
usage 1
|
||||
;;
|
||||
esac
|
||||
done
|
||||
shift
|
||||
;;
|
||||
*)
|
||||
finished=1
|
||||
;;
|
||||
esac
|
||||
done
|
||||
|
||||
[ $VERBOSE -lt 2 ] && VERBOSE=2
|
||||
|
||||
[ -n "$debugging" ] && set -x
|
||||
[ $# -eq 0 ] || usage 1
|
||||
clear_term
|
||||
echo "Shorewall-$version Dump at $HOSTNAME - $(date)"
|
||||
echo
|
||||
show_reset
|
||||
host=$(echo $HOSTNAME | sed 's/\..*$//')
|
||||
$IPTABLES -L $IPT_OPTIONS
|
||||
|
||||
heading "Log ($LOGFILE)"
|
||||
packet_log 20
|
||||
|
||||
heading "NAT Table"
|
||||
$IPTABLES -t nat -L $IPT_OPTIONS
|
||||
|
||||
heading "Mangle Table"
|
||||
$IPTABLES -t mangle -L $IPT_OPTIONS
|
||||
|
||||
heading "Conntrack Table"
|
||||
cat /proc/net/ip_conntrack
|
||||
|
||||
heading "IP Configuration"
|
||||
ip addr ls
|
||||
|
||||
heading "IP Stats"
|
||||
ip -stat link ls
|
||||
|
||||
if qt mywhich brctl; then
|
||||
heading "Bridges"
|
||||
brctl show
|
||||
fi
|
||||
|
||||
heading "/proc"
|
||||
show_proc /proc/version
|
||||
show_proc /proc/sys/net/ipv4/ip_forward
|
||||
show_proc /proc/sys/net/ipv4/icmp_echo_ignore_all
|
||||
|
||||
for directory in /proc/sys/net/ipv4/conf/*; do
|
||||
for file in proxy_arp arp_filter arp_ignore rp_filter log_martians; do
|
||||
show_proc $directory/$file
|
||||
done
|
||||
done
|
||||
|
||||
show_routing
|
||||
|
||||
heading "ARP"
|
||||
arp -na
|
||||
|
||||
if qt mywhich lsmod; then
|
||||
heading "Modules"
|
||||
lsmod | grep -E '^ip_|^ipt_|^iptable_'
|
||||
fi
|
||||
|
||||
determine_capabilities
|
||||
echo
|
||||
report_capabilities
|
||||
|
||||
if [ -n "$TC_ENABLED" ]; then
|
||||
heading "Traffic Control"
|
||||
show_tc
|
||||
heading "TC Filters"
|
||||
show_classifiers
|
||||
fi
|
||||
}
|
||||
|
||||
#
|
||||
# Safe-start/safe-restart Command Executor
|
||||
#
|
||||
@ -1331,81 +726,6 @@ safe_commands() {
|
||||
mutex_off
|
||||
}
|
||||
|
||||
#
|
||||
# Restore Comand Executor
|
||||
#
|
||||
restore_command() {
|
||||
local finished=0
|
||||
|
||||
while [ $finished -eq 0 -a $# -gt 0 ]; do
|
||||
option=$1
|
||||
case $option in
|
||||
-*)
|
||||
option=${option#-}
|
||||
|
||||
while [ -n "$option" ]; do
|
||||
case $option in
|
||||
-)
|
||||
finished=1
|
||||
option=
|
||||
;;
|
||||
n*)
|
||||
NOROUTES=Yes
|
||||
option=${option#n}
|
||||
;;
|
||||
*)
|
||||
usage 1
|
||||
;;
|
||||
esac
|
||||
done
|
||||
shift
|
||||
;;
|
||||
*)
|
||||
finished=1
|
||||
;;
|
||||
esac
|
||||
done
|
||||
|
||||
case $# in
|
||||
0)
|
||||
;;
|
||||
1)
|
||||
RESTOREFILE="$1"
|
||||
validate_restorefile '<restore file>'
|
||||
;;
|
||||
*)
|
||||
usage 1
|
||||
;;
|
||||
esac
|
||||
|
||||
if [ -z "$STARTUP_ENABLED" ]; then
|
||||
error_message "ERROR: Startup is disabled"
|
||||
exit 2
|
||||
fi
|
||||
|
||||
RESTOREPATH=${VARDIR}/$RESTOREFILE
|
||||
|
||||
export NOROUTES
|
||||
|
||||
[ -n "$nolock" ] || mutex_on
|
||||
|
||||
if [ -x $RESTOREPATH ]; then
|
||||
if [ -x ${RESTOREPATH}-ipsets ] ; then
|
||||
echo Restoring Ipsets...
|
||||
iptables -F
|
||||
iptables -X
|
||||
$SHOREWALL_SHELL ${RESTOREPATH}-ipsets
|
||||
fi
|
||||
|
||||
progress_message3 "Restoring Shorewall..."
|
||||
$SHOREWALL_SHELL $RESTOREPATH restore && progress_message3 "Shorewall restored from ${VARDIR}/$RESTOREFILE"
|
||||
[ -n "$nolock" ] || mutex_off
|
||||
else
|
||||
echo "File ${VARDIR}/$RESTOREFILE: file not found"
|
||||
[ -n "$nolock" ] || mutex_off
|
||||
exit 2
|
||||
fi
|
||||
}
|
||||
#
|
||||
# [Re]load command executor
|
||||
#
|
||||
@ -1544,15 +864,6 @@ export_command() # $* = original arguments less the command.
|
||||
fi
|
||||
}
|
||||
|
||||
#
|
||||
# Help information
|
||||
#
|
||||
help()
|
||||
{
|
||||
[ -x $HELP ] && { export version; exec $HELP $*; }
|
||||
echo "Help subsystem is not installed at $HELP"
|
||||
}
|
||||
|
||||
#
|
||||
# Give Usage Information
|
||||
#
|
||||
@ -1598,109 +909,6 @@ usage() # $1 = exit status
|
||||
exit $1
|
||||
}
|
||||
|
||||
#
|
||||
# Display the time that the counters were last reset
|
||||
#
|
||||
show_reset() {
|
||||
[ -f ${VARDIR}/restarted ] && \
|
||||
echo "Counters reset $(cat ${VARDIR}/restarted)" && \
|
||||
echo
|
||||
}
|
||||
|
||||
#
|
||||
# Display's the passed file name followed by "=" and the file's contents.
|
||||
#
|
||||
show_proc() # $1 = name of a file
|
||||
{
|
||||
[ -f $1 ] && echo " $1 = $(cat $1)"
|
||||
}
|
||||
|
||||
read_yesno_with_timeout() {
|
||||
read -t 60 yn 2> /dev/null
|
||||
if [ $? -eq 2 ]
|
||||
then
|
||||
# read doesn't support timeout
|
||||
test -x /bin/bash || return 2 # bash is not installed so the feature is not available
|
||||
/bin/bash -c 'read -t 60 yn ; if [ "$yn" == "y" ] ; then exit 0 ; else exit 1 ; fi' # invoke bash and use its version of read
|
||||
return $?
|
||||
else
|
||||
# read supports timeout
|
||||
case "$yn" in
|
||||
y|Y)
|
||||
return 0
|
||||
;;
|
||||
*)
|
||||
return 1
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
}
|
||||
|
||||
#
|
||||
# Print a heading with leading and trailing black lines
|
||||
#
|
||||
heading() {
|
||||
echo
|
||||
echo "$@"
|
||||
echo
|
||||
}
|
||||
|
||||
#
|
||||
# Create the appropriate -q option to pass onward
|
||||
#
|
||||
make_verbose() {
|
||||
local v=$VERBOSE_OFFSET option=-
|
||||
|
||||
if [ $VERBOSE_OFFSET -gt 0 ]; then
|
||||
while [ $v -gt 0 ]; do
|
||||
option="${option}v"
|
||||
v=$(($v - 1))
|
||||
done
|
||||
|
||||
echo $option
|
||||
elif [ $VERBOSE_OFFSET -lt 0 ]; then
|
||||
while [ $v -lt 0 ]; do
|
||||
option="${option}q"
|
||||
v=$(($v + 1))
|
||||
done
|
||||
|
||||
echo $option
|
||||
fi
|
||||
}
|
||||
|
||||
#
|
||||
# Executor for drop,reject,... commands
|
||||
#
|
||||
block() # $1 = command, $2 = Finished, $3 = Original Command $4 - $n addresses
|
||||
{
|
||||
local chain=$1 finished=$2
|
||||
|
||||
shift 3
|
||||
|
||||
while [ $# -gt 0 ]; do
|
||||
case $1 in
|
||||
*-*)
|
||||
qt $IPTABLES -D dynamic -m iprange --src-range $1 -j reject
|
||||
qt $IPTABLES -D dynamic -m iprange --src-range $1 -j DROP
|
||||
qt $IPTABLES -D dynamic -m iprange --src-range $1 -j logreject
|
||||
qt $IPTABLES -D dynamic -m iprange --src-range $1 -j logdrop
|
||||
$IPTABLES -A dynamic -m iprange --src-range $1 -j $chain || break 1
|
||||
;;
|
||||
*)
|
||||
qt $IPTABLES -D dynamic -s $1 -j reject
|
||||
qt $IPTABLES -D dynamic -s $1 -j DROP
|
||||
qt $IPTABLES -D dynamic -s $1 -j logreject
|
||||
qt $IPTABLES -D dynamic -s $1 -j logdrop
|
||||
$IPTABLES -A dynamic -s $1 -j $chain || break 1
|
||||
;;
|
||||
esac
|
||||
|
||||
echo "$1 $finished"
|
||||
shift
|
||||
done
|
||||
}
|
||||
|
||||
|
||||
#
|
||||
# Execution begins here
|
||||
#
|
||||
@ -1818,6 +1026,7 @@ export PRODUCT="Shorewall"
|
||||
|
||||
FIREWALL=$SHAREDIR/firewall
|
||||
FUNCTIONS=$SHAREDIR/lib.base
|
||||
FUNCTIONS1=$SHAREDIR/lib.commands
|
||||
VERSION_FILE=$SHAREDIR/version
|
||||
HELP=$SHAREDIR/help
|
||||
|
||||
@ -1828,6 +1037,13 @@ else
|
||||
exit 2
|
||||
fi
|
||||
|
||||
if [ -f $FUNCTIONS1 ]; then
|
||||
. $FUNCTIONS1
|
||||
else
|
||||
echo "$FUNCTIONS1 does not exist!" >&2
|
||||
exit 2
|
||||
fi
|
||||
|
||||
ensure_config_path
|
||||
|
||||
config=$(find_file shorewall.conf)
|
||||
@ -2073,16 +1289,7 @@ case "$COMMAND" in
|
||||
;;
|
||||
esac
|
||||
done
|
||||
shift while [ $# -gt 1 ]; do
|
||||
shift
|
||||
qt $IPTABLES -D dynamic -s $1 -j reject
|
||||
qt $IPTABLES -D dynamic -s $1 -j DROP
|
||||
qt $IPTABLES -D dynamic -s $1 -j logreject
|
||||
qt $IPTABLES -D dynamic -s $1 -j logdrop
|
||||
$IPTABLES -A dynamic -s $1 -j DROP || break 1
|
||||
echo "$1 Dropped"
|
||||
done
|
||||
|
||||
shift
|
||||
;;
|
||||
*)
|
||||
finished=1
|
||||
|
||||
Loading…
Reference in New Issue
Block a user