forked from extern/shorewall_code
7ad776f23e
git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@5041 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
1518 lines
30 KiB
Bash
Executable File
1518 lines
30 KiB
Bash
Executable File
#!/bin/sh
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#
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# Shorewall Packet Filtering Firewall Control Program - V3.3
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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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# This file should be placed in /sbin/shorewall.
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#
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# Shorewall documentation is available at http://www.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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# If an error occurs while starting or restarting the firewall, the
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# firewall is automatically stopped.
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#
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# The firewall uses configuration files in /etc/shorewall/ - skeleton
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# files is included with the firewall.
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#
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# Commands are:
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#
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# shorewall add <iface>[:<host>] zone Adds a host or subnet to a zone
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# shorewall delete <iface>[:<host>] zone Deletes a host or subnet from a zone
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# shorewall dump Dumps all Shorewall-related information
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# for problem analysis
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# shorewall start Starts the firewall
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# shorewall restart Restarts the firewall
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# shorewall stop Stops the firewall
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# shorewall status Displays firewall status
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# shorewall reset Resets iptables packet and
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# byte counts
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# shorewall clear Open the floodgates by
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# removing all iptables rules
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# and setting the three permanent
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# chain policies to ACCEPT
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# shorewall refresh Rebuild the common chain to
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# compensate for a change of
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# broadcast address on any "detect"
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# interface.
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# shorewall [re]load [ <directory> ] <system>
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# Compile a script and install it on a
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# remote Shorewall Lite system.
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# shorewall show <chain> [ <chain> ... ] Display the rules in each <chain> listed
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# shorewall show actions Displays the available actions
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# shorewall show log Print the last 20 log messages
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# shorewall show connections Show the kernel's connection
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# tracking table
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# shorewall show nat Display the rules in the nat table
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# shorewall show {mangle|tos} Display the rules in the mangle table
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# shorewall show tc Display traffic control info
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# shorewall show classifiers Display classifiers
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# shorewall show capabilities Display iptables/kernel capabilities
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# shorewall version Display the installed version id
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# shorewall check [ -e ] [ <directory> ] Dry-run compilation.
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# shorewall try <directory> [ <timeout> ] Try a new configuration and if
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# it doesn't work, revert to the
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# standard one. If a timeout is supplied
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# the command reverts back to the
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# standard configuration after that many
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# seconds have elapsed after successfully
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# starting the new configuration.
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# shorewall logwatch [ refresh-interval ] Monitor the local log for Shorewall
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# messages.
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# shorewall drop <address> ... Temporarily drop all packets from the
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# listed address(es)
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# shorewall reject <address> ... Temporarily reject all packets from the
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# listed address(es)
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# shorewall allow <address> ... Reenable address(es) previously
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# disabled with "drop" or "reject"
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# shorewall save [ <file> ] Save the list of "rejected" and
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# "dropped" addresses so that it will
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# be automatically reinstated the
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# next time that Shorewall starts.
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# Save the current state so that 'shorewall
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# restore' can be used.
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#
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# shorewall forget [ <file> ] Discard the data saved by 'shorewall save'
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#
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# shorewall restore [ <file> ] Restore the state of the firewall from
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# previously saved information.
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#
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# shorewall ipaddr { <address>/<cidr> | <address> <netmask> }
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#
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# Displays information about the network
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# defined by the argument[s]
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#
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# shorewall iprange <address>-<address> Decomposes a range of IP addresses into
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# a list of network/host addresses.
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#
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# shorewall ipdecimal { <address> | <integer> }
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#
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# Displays the decimal equivalent of an IP
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# address and vice versa.
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#
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# shorewall safe-start [ <directory> ] Starts the firewall and promtp for a c
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# confirmation to accept or reject the new
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# configuration
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#
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# shorewall safe-restart [ <directory> ] Restarts the firewall and prompt for a
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# confirmation to accept or reject the new
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# configuration
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#
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# shorewall compile [ -e ] [ <directory> ] <filename>
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# Compile a firewall program file.
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#
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# Set the configuration variables from shorewall.conf
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#
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get_config() {
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if [ -z "$EXPORT" -a "$(whoami)" = root ]; then
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#
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# This block is avoided for compile for export and when the user isn't root
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#
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export CONFIG_PATH
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[ -z "$LOGFILE" ] && LOGFILE=/var/log/messages
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if [ ! -f $LOGFILE ]; then
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echo "LOGFILE ($LOGFILE) does not exist!" >&2
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exit 2
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fi
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if [ -n "$IPTABLES" ]; then
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if [ ! -x "$IPTABLES" ]; then
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echo " ERROR: The program specified in IPTABLES does not exist or is not executable" >&2
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exit 2
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fi
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else
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IPTABLES=$(mywhich iptables 2> /dev/null)
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if [ -z "$IPTABLES" ] ; then
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echo " ERROR: Can't find iptables executable" >&2
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exit 2
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fi
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fi
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export IPTABLES
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#
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# See if we have a real version of "tail" -- use separate redirection so
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# that ash (aka /bin/sh on LRP) doesn't crap
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#
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if ( tail -n5 $LOGFILE > /dev/null 2> /dev/null ) ; then
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realtail="Yes"
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else
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realtail=""
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fi
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#
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# Compile by non-root needs no restore file
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#
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[ -n "$RESTOREFILE" ] || RESTOREFILE=restore
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validate_restorefile RESTOREFILE
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export RESTOREFILE
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case $STARTUP_ENABLED in
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No|no|NO)
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echo " WARNING: Shorewall startup is disabled. To enable startup, set STARTUP_ENABLED=Yes in ${CONFDIR}/shorewall.conf" >&2
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STARTUP_ENABLED=
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;;
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Yes|yes|YES)
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;;
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*)
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if [ -n "$STARTUP_ENABLED" ]; then
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echo " ERROR: Invalid Value for STARTUP_ENABLE: $STARTUP_ENABLED" >&2
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exit 2
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fi
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;;
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esac
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case ${TC_ENABLED:=Internal} in
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No|NO|no)
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TC_ENABLED=
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;;
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esac
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[ -n "LOGFORMAT" ] && LOGFORMAT="${LOGFORMAT%%%*}"
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[ -n "$LOGFORMAT" ] || LOGFORMAT="Shorewall:"
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export LOGFORMAT
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fi
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if [ -n "$SHOREWALL_SHELL" ]; then
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if [ ! -x "$SHOREWALL_SHELL" ]; then
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echo " ERROR: The program specified in SHOREWALL_SHELL does not exist or is not executable" >&2
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exit 2
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fi
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fi
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[ -n "${VERBOSITY:=2}" ]
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VERBOSE=$(($VERBOSE_OFFSET + $VERBOSITY))
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export VERBOSE
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[ -n "${HOSTNAME:=$(hostname)}" ]
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}
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#
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# Start Command Executor
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#
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start_command() {
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local finished=0
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do_it() {
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local rc=0
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[ -n "$nolock" ] || mutex_on
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progress_message3 "Compiling..."
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if $SHOREWALL_SHELL ${SHAREDIR}/compiler $debugging $nolock compile ${VARDIR}/.start; then
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${VARDIR}/.start $debugging start
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rc=$?
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else
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rc=$?
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fi
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[ -n "$nolock" ] || mutex_off
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exit $rc
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}
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if shorewall_is_started; then
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error_message "Shorewall is already running"
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exit 0
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fi
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if [ -z "$STARTUP_ENABLED" ]; then
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error_message "ERROR: Startup is disabled"
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exit 2
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fi
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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 $option in
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-)
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finished=1
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option=
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;;
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f*)
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FAST=Yes
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option=${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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case $# in
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0)
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;;
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1)
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[ -n "$SHOREWALL_DIR" -o -n "$FAST" ] && usage 2
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if [ ! -d $1 ]; then
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if [ -e $1 ]; then
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echo "$1 is not a directory" >&2 && exit 2
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else
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echo "Directory $1 does not exist" >&2 && exit 2
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fi
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fi
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SHOREWALL_DIR=$1
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export SHOREWALL_DIR
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;;
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*)
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usage 1
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;;
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esac
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export NOROUTES
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if [ -n "$FAST" ]; then
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if qt mywhich make; then
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#
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# RESTOREFILE is exported by get_config()
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#
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make -qf ${CONFDIR}/Makefile || FAST=
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fi
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if [ -n "$FAST" ]; then
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RESTOREPATH=${VARDIR}/$RESTOREFILE
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if [ -x $RESTOREPATH ]; then
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if [ -x ${RESTOREPATH}-ipsets ]; then
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echo Restoring Ipsets...
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#
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# We must purge iptables to be sure that there are no
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# references to ipsets
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#
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iptables -F
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iptables -X
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$SHOREWALL_SHELL ${RESTOREPATH}-ipsets
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fi
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echo Restoring Shorewall...
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$SHOREWALL_SHELL $RESTOREPATH restore
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date > ${VARDIR}/restarted
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progress_message3 Shorewall restored from $RESTOREPATH
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else
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do_it
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fi
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else
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do_it
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fi
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else
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do_it
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fi
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}
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#
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# Compile Command Executor
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#
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compile_command() {
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local finished=0
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while [ $finished -eq 0 ]; do
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[ $# -eq 0 ] && usage 1
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option=$1
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case $option in
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-*)
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shift
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option=${option#-}
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[ -z "$option" ] && usage 1
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while [ -n "$option" ]; do
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case $option in
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e*)
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EXPORT=Yes
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option=${option#e}
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;;
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-)
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finished=1
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option=
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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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;;
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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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file=
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case $# in
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1)
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file=$1
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;;
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2)
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[ -n "$SHOREWALL_DIR" ] && usage 2
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if [ ! -d $1 ]; then
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if [ -e $1 ]; then
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echo "$1 is not a directory" >&2 && exit 2
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else
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echo "Directory $1 does not exist" >&2 && exit 2
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fi
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fi
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SHOREWALL_DIR=$1
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export SHOREWALL_DIR
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file=$2
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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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export EXPORT
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progress_message3 "Compiling..."
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exec $SHOREWALL_SHELL ${SHAREDIR}/compiler $debugging compile $file
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}
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#
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# Check Command Executor
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#
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check_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 $option in
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-)
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finished=1
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option=
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;;
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e*)
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EXPORT=Yes
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option=${option#e}
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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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case $# in
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0)
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;;
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1)
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[ -n "$SHOREWALL_DIR" ] && usage 2
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if [ ! -d $1 ]; then
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if [ -e $1 ]; then
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echo "$1 is not a directory" >&2 && exit 2
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else
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echo "Directory $1 does not exist" >&2 && exit 2
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fi
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fi
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SHOREWALL_DIR=$1
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export SHOREWALL_DIR
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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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export EXPORT
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progress_message3 "Checking..."
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exec $SHOREWALL_SHELL ${SHAREDIR}/compiler $debugging $nolock check
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}
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#
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# Restart Command Executor
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#
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restart_command() {
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local finished=0 rc=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 $option in
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-)
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finished=1
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option=
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;;
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n*)
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NOROUTES=Yes
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option=${option#n}
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;;
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*)
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|
usage 1
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;;
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esac
|
|
done
|
|
shift
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;;
|
|
*)
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|
finished=1
|
|
;;
|
|
esac
|
|
done
|
|
|
|
case $# in
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0)
|
|
;;
|
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1)
|
|
[ -n "$SHOREWALL_DIR" ] && usage 2
|
|
|
|
if [ ! -d $1 ]; then
|
|
if [ -e $1 ]; then
|
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echo "$1 is not a directory" >&2 && exit 2
|
|
else
|
|
echo "Directory $1 does not exist" >&2 && exit 2
|
|
fi
|
|
fi
|
|
|
|
SHOREWALL_DIR=$1
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export SHOREWALL_DIR
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;;
|
|
*)
|
|
usage 1
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|
;;
|
|
esac
|
|
|
|
if [ -z "$STARTUP_ENABLED" ]; then
|
|
error_message "ERROR: Startup is disabled"
|
|
exit 2
|
|
fi
|
|
|
|
export NOROUTES
|
|
|
|
[ -n "$nolock" ] || mutex_on
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|
progress_message3 "Compiling..."
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|
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|
if $SHOREWALL_SHELL ${SHAREDIR}/compiler $debugging $nolock compile ${VARDIR}/.restart; then
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|
$SHOREWALL_SHELL ${VARDIR}/.restart $debugging restart
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|
rc=$?
|
|
else
|
|
rc=$?
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|
fi
|
|
|
|
[ -n "$nolock" ] || mutex_off
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|
return $rc
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|
}
|
|
|
|
#
|
|
# Refresh Command Executor
|
|
#
|
|
refresh_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=
|
|
;;
|
|
*)
|
|
usage 1
|
|
;;
|
|
esac
|
|
done
|
|
shift
|
|
;;
|
|
*)
|
|
finished=1
|
|
;;
|
|
esac
|
|
done
|
|
|
|
case $# in
|
|
0)
|
|
;;
|
|
*)
|
|
usage 1
|
|
;;
|
|
esac
|
|
|
|
if ! shorewall_is_started ; then
|
|
error_message "ERROR: Shorewall is not running"
|
|
exit 2
|
|
fi
|
|
|
|
if [ -z "$STARTUP_ENABLED" ]; then
|
|
error_message "ERROR: Startup is disabled"
|
|
exit 2
|
|
fi
|
|
|
|
export NOROUTES
|
|
|
|
[ -n "$nolock" ] || mutex_on
|
|
|
|
progress_message3 "Compiling..."
|
|
|
|
if $SHOREWALL_SHELL ${SHAREDIR}/compiler $debugging $nolock compile ${VARDIR}/.refresh; then
|
|
$SHOREWALL_SHELL ${VARDIR}/.refresh $debugging refresh
|
|
fi
|
|
|
|
[ -n "$nolock" ] || mutex_off
|
|
}
|
|
|
|
#
|
|
# Safe-start/safe-restart Command Executor
|
|
#
|
|
safe_commands() {
|
|
local finished=0
|
|
|
|
# test is the shell supports timed read
|
|
read -t 0 junk 2> /dev/null
|
|
if [ $? -eq 2 -a ! -x /bin/bash ];then
|
|
echo "Your shell does not support a feature required to execute this command".
|
|
exit 2
|
|
fi
|
|
|
|
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 $# in
|
|
0)
|
|
;;
|
|
1)
|
|
[ -n "$SHOREWALL_DIR" ] && usage 2
|
|
|
|
if [ ! -d $1 ]; then
|
|
if [ -e $1 ]; then
|
|
echo "$1 is not a directory" >&2 && exit 2
|
|
else
|
|
echo "Directory $1 does not exist" >&2 && exit 2
|
|
fi
|
|
fi
|
|
|
|
SHOREWALL_DIR=$1
|
|
export SHOREWALL_DIR
|
|
;;
|
|
*)
|
|
usage 1
|
|
;;
|
|
esac
|
|
|
|
if [ -z "$STARTUP_ENABLED" ]; then
|
|
error_message "ERROR: Startup is disabled"
|
|
exit 2
|
|
fi
|
|
|
|
mutex_on
|
|
|
|
if shorewall_is_started; then
|
|
running=Yes
|
|
else
|
|
running=
|
|
fi
|
|
|
|
if [ "$COMMAND" = "safe-start" -a -n "$running" ]; then
|
|
# the command is safe-start but the firewall is already running
|
|
error_message "Shorewall is already started"
|
|
mutex_off
|
|
exit 0
|
|
fi
|
|
|
|
if [ "$COMMAND" = "safe-start" -o -z "$running" ]; then
|
|
# the command is safe-start or shorewall is not started yet
|
|
command="start"
|
|
else
|
|
# the command is safe-restart and the firewall is already running
|
|
command="restart"
|
|
fi
|
|
|
|
progress_message3 "Compiling..."
|
|
|
|
if ! $SHOREWALL_SHELL ${SHAREDIR}/compiler $debugging nolock compile ${VARDIR}/.$command; then
|
|
status=$?
|
|
mutex_off
|
|
exit $status
|
|
fi
|
|
|
|
case $command in
|
|
start)
|
|
export RESTOREFILE=NONE
|
|
progress_message3 "Starting..."
|
|
;;
|
|
restart)
|
|
export RESTOREFILE=.safe
|
|
RESTOREPATH=${VARDIR}/.safe
|
|
save_config
|
|
progress_message3 "Restarting..."
|
|
;;
|
|
esac
|
|
|
|
if ${VARDIR}/.$command $command; then
|
|
|
|
echo -n "Do you want to accept the new firewall configuration? [y/n] "
|
|
|
|
if read_yesno_with_timeout; then
|
|
echo "New configuration has been accepted"
|
|
else
|
|
if [ "$command" = "restart" ]; then
|
|
${VARDIR}/.safe restore
|
|
else
|
|
${VARDIR}/.$command clear
|
|
fi
|
|
|
|
mutex_off
|
|
echo "New configuration has been rejected and the old one restored"
|
|
exit 2
|
|
fi
|
|
|
|
fi
|
|
|
|
mutex_off
|
|
}
|
|
|
|
#
|
|
# 'try' Command Executor
|
|
#
|
|
try_command() {
|
|
local finished=0 timeout=
|
|
|
|
handle_directory() {
|
|
[ -n "$SHOREWALL_DIR" ] && usage 2
|
|
|
|
if [ ! -d $1 ]; then
|
|
if [ -e $1 ]; then
|
|
echo "$1 is not a directory" >&2 && exit 2
|
|
else
|
|
echo "Directory $1 does not exist" >&2 && exit 2
|
|
fi
|
|
fi
|
|
|
|
SHOREWALL_DIR=$1
|
|
export SHOREWALL_DIR
|
|
}
|
|
|
|
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)
|
|
usage 1
|
|
;;
|
|
1)
|
|
handle_directory $1
|
|
;;
|
|
2)
|
|
handle_directory $1
|
|
timeout=$2
|
|
;;
|
|
*)
|
|
usage 1
|
|
;;
|
|
esac
|
|
|
|
if [ -z "$STARTUP_ENABLED" ]; then
|
|
error_message "ERROR: Startup is disabled"
|
|
exit 2
|
|
fi
|
|
|
|
mutex_on
|
|
|
|
if shorewall_is_started; then
|
|
running=Yes
|
|
else
|
|
running=
|
|
fi
|
|
|
|
if [ -z "$running" ]; then
|
|
# shorewall is not started yet
|
|
command="start"
|
|
else
|
|
# the firewall is already running
|
|
command="restart"
|
|
fi
|
|
|
|
progress_message3 "Compiling..."
|
|
|
|
if ! $SHOREWALL_SHELL ${SHAREDIR}/compiler $debugging nolock compile ${VARDIR}/.$command; then
|
|
status=$?
|
|
mutex_off
|
|
exit $status
|
|
fi
|
|
|
|
case $command in
|
|
start)
|
|
export RESTOREFILE=NONE
|
|
progress_message3 "Starting..."
|
|
;;
|
|
restart)
|
|
export RESTOREFILE=.try
|
|
RESTOREPATH=${VARDIR}/.try
|
|
save_config
|
|
progress_message3 "Restarting..."
|
|
;;
|
|
esac
|
|
|
|
if ${VARDIR}/.$command $command && [ -n "$timeout" ]; then
|
|
sleep $timeout
|
|
|
|
if [ "$command" = "restart" ]; then
|
|
${VARDIR}/.try restore
|
|
else
|
|
${VARDIR}/.$command clear
|
|
fi
|
|
fi
|
|
|
|
mutex_off
|
|
|
|
return 0
|
|
}
|
|
|
|
#
|
|
# [Re]load command executor
|
|
#
|
|
reload_command() # $* = original arguments less the command.
|
|
{
|
|
local verbose=$(make_verbose) file= capabilities= finished=0 saveit= result directory system getcaps=
|
|
|
|
[ -n "$LITEDIR" ] || fatal_error "ERROR: LITEDIR not defined in ${SHAREDIR}/configpath"
|
|
|
|
while [ $finished -eq 0 -a $# -gt 0 ]; do
|
|
option=$1
|
|
case $option in
|
|
-*)
|
|
option=${option#-}
|
|
|
|
while [ -n "$option" ]; do
|
|
case $option in
|
|
-)
|
|
finished=1
|
|
option=
|
|
;;
|
|
s*)
|
|
saveit=Yes
|
|
option=${option#s}
|
|
;;
|
|
c*)
|
|
getcaps=Yes
|
|
option=${option#c}
|
|
;;
|
|
*)
|
|
usage 1
|
|
;;
|
|
esac
|
|
done
|
|
shift
|
|
;;
|
|
*)
|
|
finished=1
|
|
;;
|
|
esac
|
|
done
|
|
|
|
case $# in
|
|
1)
|
|
directory="."
|
|
system=$1
|
|
;;
|
|
2)
|
|
directory=$1
|
|
system=$2
|
|
;;
|
|
*)
|
|
usage 1
|
|
;;
|
|
esac
|
|
|
|
if [ -z "$getcaps" ]; then
|
|
SHOREWALL_DIR=$directory
|
|
capabilities=$(find_file capabilities)
|
|
[ -f $capabilities ] || getcaps=Yes
|
|
fi
|
|
|
|
if [ -n "$getcaps" ]; then
|
|
progress_message "Getting Capabilities on system $system..."
|
|
if ! ssh root@${system} "/sbin/shorewall-lite show -f capabilities > ${LITEDIR}/capabilities" || \
|
|
! scp root@$system:${LITEDIR}/capabilities $directory; then
|
|
fatal_error "ERROR: Capturing capabilities on system $system failed"
|
|
fi
|
|
fi
|
|
|
|
file=$(resolve_file $directory/firewall)
|
|
|
|
if shorewall $debugging $verbose compile -e $directory $directory/firewall && \
|
|
progress_message "Copying $file and ${file}.conf to ${system}:${LITEDIR}..." && \
|
|
scp $directory/firewall $directory/firewall.conf root@${system}:${LITEDIR}
|
|
then
|
|
echo "Copy complete"
|
|
if [ $COMMAND = reload ]; then
|
|
ssh root@${system} "/sbin/shorewall-lite $debugging $verbose restart" && \
|
|
progress_message3 "System $system reloaded" || saveit=
|
|
else
|
|
ssh root@${system} "/sbin/shorewall-lite $debugging $verbose restart" && \
|
|
progress_message3 "System $system reloaded" || saveit=
|
|
fi
|
|
|
|
if [ -n "$saveit" ]; then
|
|
ssh root@${system} "/sbin/shorewall-lite $debugging $verbose save" && \
|
|
progress_message3 "Configuration on system $system saved"
|
|
fi
|
|
fi
|
|
}
|
|
|
|
#
|
|
# Export command executor
|
|
#
|
|
export_command() # $* = original arguments less the command.
|
|
{
|
|
local verbose=$(make_verbose) file= finished=0 directory target
|
|
|
|
while [ $finished -eq 0 -a $# -gt 0 ]; do
|
|
option=$1
|
|
case $option in
|
|
-*)
|
|
option=${option#-}
|
|
|
|
while [ -n "$option" ]; do
|
|
case $option in
|
|
-)
|
|
finished=1
|
|
option=
|
|
;;
|
|
*)
|
|
fatal_error "Unrecognized option \"$option\""
|
|
;;
|
|
esac
|
|
done
|
|
shift
|
|
;;
|
|
*)
|
|
finished=1
|
|
;;
|
|
esac
|
|
done
|
|
|
|
case $# in
|
|
1)
|
|
directory="."
|
|
target=$1
|
|
;;
|
|
2)
|
|
directory=$1
|
|
target=$2
|
|
;;
|
|
*)
|
|
fatal_error "ERROR: Invalid command syntax (\"man shorewall\" for help)"
|
|
;;
|
|
esac
|
|
|
|
case $target in
|
|
*:*)
|
|
;;
|
|
*)
|
|
target=$target:
|
|
;;
|
|
esac
|
|
|
|
file=$(resolve_file $directory/firewall)
|
|
|
|
if shorewall $debugging $verbose compile -e $directory $directory/firewall && \
|
|
echo "Copying $file and ${file}.conf to ${target#*@}..." && \
|
|
scp $directory/firewall $directory/firewall.conf $target
|
|
then
|
|
progress_message3 "Copy complete"
|
|
fi
|
|
}
|
|
|
|
#
|
|
# Give Usage Information
|
|
#
|
|
usage() # $1 = exit status
|
|
{
|
|
echo "Usage: $(basename $0) [debug|trace] [nolock] [ -q ] [ -v ] [ -t ] <command>"
|
|
echo "where <command> is one of:"
|
|
echo " add <interface>[:<host-list>] ... <zone>"
|
|
echo " allow <address> ..."
|
|
echo " check [ -e ] [ <directory> ]"
|
|
echo " clear"
|
|
echo " compile [ -e ] [ <directory name> ] <path name>"
|
|
echo " delete <interface>[:<host-list>] ... <zone>"
|
|
echo " drop <address> ..."
|
|
echo " dump [ -x ]"
|
|
echo " export [ <directory1> ] [<user>@]<system>[:<directory2>]"
|
|
echo " forget [ <file name> ]"
|
|
echo " help"
|
|
echo " hits"
|
|
echo " ipcalc { <address>/<vlsm> | <address> <netmask> }"
|
|
echo " ipdecimal { <address> | <integer> }"
|
|
echo " iprange <address>-<address>"
|
|
echo " load [ -s ] [ -c ] [ <directory> ] <system>"
|
|
echo " logdrop <address> ..."
|
|
echo " logreject <address> ..."
|
|
echo " logwatch [<refresh interval>]"
|
|
echo " refresh"
|
|
echo " reject <address> ..."
|
|
echo " reload [ -s ] [ -c ] [ <directory> ] <system>"
|
|
echo " reset"
|
|
echo " restart [ -n ] [ <directory> ]"
|
|
echo " restore [ -n ] [ <file name> ]"
|
|
echo " save [ <file name> ]"
|
|
echo " show [ -x ] [ -m ] [-f] [ -t {filter|mangle|nat} ] [<chain> [ <chain> ... ]|actions|capabilities|classifiers|config|connections|ip|log|macros|mangle|nat|routing|tc|zones]"
|
|
echo " start [ -f ] [ -n ] [ <directory> ]"
|
|
echo " stop"
|
|
echo " status"
|
|
echo " try <directory> [ <timeout> ]"
|
|
echo " version"
|
|
echo " safe-start [ <directory> ]"
|
|
echo " safe-restart [ <directory> ]"
|
|
echo
|
|
exit $1
|
|
}
|
|
|
|
#
|
|
# Execution begins here
|
|
#
|
|
debugging=
|
|
|
|
if [ $# -gt 0 ] && [ "x$1" = "xdebug" -o "x$1" = "xtrace" ]; then
|
|
debugging=debug
|
|
shift
|
|
fi
|
|
|
|
nolock=
|
|
|
|
if [ $# -gt 0 ] && [ "$1" = "nolock" ]; then
|
|
nolock=nolock
|
|
shift
|
|
fi
|
|
|
|
SHOREWALL_DIR=
|
|
IPT_OPTIONS="-nv"
|
|
FAST=
|
|
VERBOSE_OFFSET=0
|
|
NOROUTES=
|
|
EXPORT=
|
|
export TIMESTAMP=
|
|
noroutes=
|
|
|
|
finished=0
|
|
|
|
while [ $finished -eq 0 ]; do
|
|
[ $# -eq 0 ] && usage 1
|
|
option=$1
|
|
case $option in
|
|
-)
|
|
finished=1
|
|
;;
|
|
-*)
|
|
option=${option#-}
|
|
|
|
while [ -n "$option" ]; do
|
|
case $option in
|
|
c)
|
|
[ $# -eq 1 ] && usage 1
|
|
|
|
if [ ! -d $2 ]; then
|
|
if [ -e $2 ]; then
|
|
echo "$2 is not a directory" >&2 && exit 2
|
|
else
|
|
echo "Directory $2 does not exist" >&2 && exit 2
|
|
fi
|
|
fi
|
|
|
|
SHOREWALL_DIR=$2
|
|
option=
|
|
shift
|
|
;;
|
|
e*)
|
|
EXPORT=Yes
|
|
option=${option#e}
|
|
;;
|
|
x*)
|
|
IPT_OPTIONS="-xnv"
|
|
option=${option#x}
|
|
;;
|
|
q*)
|
|
VERBOSE_OFFSET=$(($VERBOSE_OFFSET - 1 ))
|
|
option=${option#q}
|
|
;;
|
|
f*)
|
|
FAST=Yes
|
|
option=${option#f}
|
|
;;
|
|
v*)
|
|
VERBOSE_OFFSET=$(($VERBOSE_OFFSET + 1 ))
|
|
option=${option#v}
|
|
;;
|
|
n*)
|
|
NOROUTES=Yes
|
|
option=${option#n}
|
|
;;
|
|
t*)
|
|
TIMESTAMP=Yes
|
|
option=${option#t}
|
|
;;
|
|
-)
|
|
finished=1
|
|
option=
|
|
;;
|
|
*)
|
|
usage 1
|
|
;;
|
|
esac
|
|
done
|
|
shift
|
|
;;
|
|
*)
|
|
finished=1
|
|
;;
|
|
esac
|
|
done
|
|
|
|
if [ $# -eq 0 ]; then
|
|
usage 1
|
|
fi
|
|
|
|
[ -n "$SHOREWALL_DIR" ] && export SHOREWALL_DIR
|
|
PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/bin:/usr/local/sbin
|
|
MUTEX_TIMEOUT=
|
|
|
|
SHAREDIR=/usr/share/shorewall
|
|
VARDIR=/var/lib/shorewall
|
|
CONFDIR=/etc/shorewall
|
|
export PRODUCT="Shorewall"
|
|
|
|
FIREWALL=$SHAREDIR/firewall
|
|
LIBRARIES="$SHAREDIR/lib.base $SHAREDIR/lib.cli"
|
|
VERSION_FILE=$SHAREDIR/version
|
|
HELP=$SHAREDIR/help
|
|
|
|
for library in $LIBRARIES; do
|
|
if [ -f $library ]; then
|
|
. $library
|
|
else
|
|
echo "$library does not exist!" >&2
|
|
exit 2
|
|
fi
|
|
done
|
|
|
|
ensure_config_path
|
|
|
|
config=$(find_file shorewall.conf)
|
|
|
|
if [ -f $config ]; then
|
|
if [ -r $config ]; then
|
|
. $config
|
|
else
|
|
echo "Cannot read $config! (Hint: Are you root?)" >&2
|
|
exit 1
|
|
fi
|
|
else
|
|
echo "$config does not exist!" >&2
|
|
exit 2
|
|
fi
|
|
|
|
ensure_config_path
|
|
|
|
get_config
|
|
|
|
if [ ! -f $FIREWALL ]; then
|
|
echo " ERROR: Shorewall is not properly installed" >&2
|
|
if [ -L $FIREWALL ]; then
|
|
echo " $FIREWALL is a symbolic link to a" >&2
|
|
echo " non-existant file" >&2
|
|
else
|
|
echo " The file $FIREWALL does not exist" >&2
|
|
fi
|
|
|
|
exit 2
|
|
fi
|
|
|
|
if [ -f $VERSION_FILE ]; then
|
|
version=$(cat $VERSION_FILE)
|
|
else
|
|
echo " ERROR: Shorewall is not properly installed" >&2
|
|
echo " The file $VERSION_FILE does not exist" >&2
|
|
exit 1
|
|
fi
|
|
|
|
banner="Shorewall-$version Status at $HOSTNAME -"
|
|
|
|
case $(echo -e) in
|
|
-e*)
|
|
RING_BELL="echo \a"
|
|
;;
|
|
*)
|
|
RING_BELL="echo -e \a"
|
|
;;
|
|
esac
|
|
|
|
case $(echo -n "Testing") in
|
|
-n*)
|
|
ECHO_N=
|
|
;;
|
|
*)
|
|
ECHO_N=-n
|
|
;;
|
|
esac
|
|
|
|
COMMAND=$1
|
|
|
|
case "$COMMAND" in
|
|
start)
|
|
shift
|
|
start_command $@
|
|
;;
|
|
stop|reset|clear)
|
|
[ $# -ne 1 ] && usage 1
|
|
export NOROUTES
|
|
exec $SHOREWALL_SHELL $FIREWALL $debugging $nolock $COMMAND
|
|
;;
|
|
compile)
|
|
shift
|
|
compile_command $@
|
|
;;
|
|
restart)
|
|
shift
|
|
restart_command $@
|
|
;;
|
|
refresh)
|
|
shift
|
|
refresh_command $@
|
|
;;
|
|
check)
|
|
shift
|
|
check_command $@
|
|
;;
|
|
add|delete)
|
|
[ $# -lt 3 ] && usage 1
|
|
exec $SHOREWALL_SHELL $FIREWALL $debugging $nolock $@
|
|
;;
|
|
show|list)
|
|
shift
|
|
show_command $@
|
|
;;
|
|
load|reload)
|
|
shift
|
|
reload_command $@
|
|
;;
|
|
export)
|
|
shift
|
|
export_command $@
|
|
;;
|
|
status)
|
|
[ $# -eq 1 ] || usage 1
|
|
echo "Shorewall-$version Status at $HOSTNAME - $(date)"
|
|
echo
|
|
if shorewall_is_started ; then
|
|
echo "Shorewall is running"
|
|
status=0
|
|
else
|
|
echo "Shorewall is stopped"
|
|
status=4
|
|
fi
|
|
|
|
if [ -f ${VARDIR}/state ]; then
|
|
state="$(cat ${VARDIR}/state)"
|
|
case $state in
|
|
Stopped*|Clear*)
|
|
status=3
|
|
;;
|
|
esac
|
|
else
|
|
state=Unknown
|
|
fi
|
|
echo "State:$state"
|
|
echo
|
|
exit $status
|
|
;;
|
|
dump)
|
|
shift
|
|
dump_command $@
|
|
;;
|
|
hits)
|
|
[ -n "$debugging" ] && set -x
|
|
[ $# -eq 1 ] || usage 1
|
|
hits_command
|
|
;;
|
|
version)
|
|
echo $version
|
|
;;
|
|
try)
|
|
shift
|
|
try_command $@
|
|
;;
|
|
logwatch)
|
|
logwatch_command $@
|
|
;;
|
|
drop)
|
|
[ -n "$debugging" ] && set -x
|
|
[ $# -eq 1 ] && usage 1
|
|
if shorewall_is_started ; then
|
|
mutex_on
|
|
block DROP Dropped $*
|
|
mutex_off
|
|
else
|
|
error_message "ERROR: Shorewall is not started"
|
|
exit 2
|
|
fi
|
|
;;
|
|
logdrop)
|
|
[ -n "$debugging" ] && set -x
|
|
[ $# -eq 1 ] && usage 1
|
|
if shorewall_is_started ; then
|
|
mutex_on
|
|
block logdrop Dropped $*
|
|
mutex_off
|
|
else
|
|
error_message "ERROR: Shorewall is not started"
|
|
exit 2
|
|
fi
|
|
;;
|
|
reject|logreject)
|
|
[ -n "$debugging" ] && set -x
|
|
[ $# -eq 1 ] && usage 1
|
|
if shorewall_is_started ; then
|
|
mutex_on
|
|
block $COMMAND Rejected $*
|
|
mutex_off
|
|
else
|
|
error_message "ERROR: Shorewall is not started"
|
|
exit 2
|
|
fi
|
|
;;
|
|
allow)
|
|
allow_command $@
|
|
;;
|
|
save)
|
|
[ -n "$debugging" ] && set -x
|
|
|
|
case $# in
|
|
1)
|
|
;;
|
|
2)
|
|
RESTOREFILE="$2"
|
|
validate_restorefile '<restore file>'
|
|
;;
|
|
*)
|
|
usage 1
|
|
;;
|
|
esac
|
|
|
|
RESTOREPATH=${VARDIR}/$RESTOREFILE
|
|
mutex_off
|
|
|
|
[ "$nolock" ] || mutex_on
|
|
|
|
save_config
|
|
|
|
[ "$nolock" ] || mutex_off
|
|
;;
|
|
forget)
|
|
case $# in
|
|
1)
|
|
;;
|
|
2)
|
|
RESTOREFILE="$2"
|
|
validate_restorefile '<restore file>'
|
|
;;
|
|
*)
|
|
usage 1
|
|
;;
|
|
esac
|
|
|
|
|
|
RESTOREPATH=${VARDIR}/$RESTOREFILE
|
|
|
|
if [ -x $RESTOREPATH ]; then
|
|
|
|
if [ -x ${RESTOREPATH}-ipsets ]; then
|
|
rm -f ${RESTOREPATH}-ipsets
|
|
echo " ${RESTOREPATH}-ipsets removed"
|
|
fi
|
|
|
|
rm -f $RESTOREPATH
|
|
rm -f ${RESTOREPATH}-iptables
|
|
echo " $RESTOREPATH removed"
|
|
elif [ -f $RESTOREPATH ]; then
|
|
echo " $RESTOREPATH exists and is not a saved Shorewall configuration"
|
|
fi
|
|
rm -f ${VARDIR}/save
|
|
;;
|
|
ipcalc)
|
|
[ -n "$debugging" ] && set -x
|
|
if [ $# -eq 2 ]; then
|
|
address=${2%/*}
|
|
vlsm=${2#*/}
|
|
elif [ $# -eq 3 ]; then
|
|
address=$2
|
|
vlsm=$(ip_vlsm $3)
|
|
else
|
|
usage 1
|
|
fi
|
|
|
|
[ -z "$vlsm" ] && exit 2
|
|
[ "x$address" = "x$vlsm" ] && usage 2
|
|
[ $vlsm -gt 32 ] && echo "Invalid VLSM: /$vlsm" >&2 && exit 2
|
|
|
|
address=$address/$vlsm
|
|
|
|
echo " CIDR=$address"
|
|
temp=$(ip_netmask $address); echo " NETMASK=$(encodeaddr $temp)"
|
|
temp=$(ip_network $address); echo " NETWORK=$temp"
|
|
temp=$(broadcastaddress $address); echo " BROADCAST=$temp"
|
|
;;
|
|
|
|
iprange)
|
|
[ -n "$debugging" ] && set -x
|
|
case $2 in
|
|
*.*.*.*-*.*.*.*)
|
|
ip_range $2
|
|
;;
|
|
*)
|
|
usage 1
|
|
;;
|
|
esac
|
|
;;
|
|
ipdecimal)
|
|
[ -n "$debugging" ] && set -x
|
|
case $2 in
|
|
*.*.*.*)
|
|
echo " $(decodeaddr $2)"
|
|
;;
|
|
*)
|
|
echo " $(encodeaddr $2)"
|
|
;;
|
|
esac
|
|
;;
|
|
restore)
|
|
shift
|
|
restore_command $@
|
|
;;
|
|
call)
|
|
[ -n "$debugging" ] && set -x
|
|
#
|
|
# Undocumented way to call functions in ${SHAREDIR}/functions directly
|
|
#
|
|
shift
|
|
$@
|
|
;;
|
|
help)
|
|
shift
|
|
usage
|
|
;;
|
|
safe-restart|safe-start)
|
|
shift
|
|
safe_commands $@
|
|
;;
|
|
*)
|
|
usage 1
|
|
;;
|
|
|
|
esac
|