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shorewall_code/Shorewall/lib.cli-std
Tom Eastep 5b953cc1dd Handle different layouts on the admin system and remote firewall(s) 
Signed-off-by: Tom Eastep <teastep@shorewall.net>
2012-09-03 09:50:07 -07:00

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#
# Shorewall 4.5 -- /usr/share/shorewall/lib.cli-std.
#
# This program is under GPL [http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt]
#
# (c) 1999-2012 - Tom Eastep (teastep@shorewall.net)
#
# Complete documentation is available at http://shorewall.net
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of Version 2 of the GNU General Public License
# as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# This library contains the command processing code common to /sbin/shorewall and /sbin/shorewall6.
#
####################################################################################################
# Set the configuration variables from the .conf file
#
# $1 = Yes: read the params file
# $2 = Yes: check for STARTUP_ENABLED
# $3 = Yes: Check for LOGFILE
#
get_config() {
local prog
ensure_config_path
if [ "$1" = Yes ]; then
params=$(find_file params)
if [ -f $params ]; then
. $params
fi
fi
config=$(find_file $g_program.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
if [ -z "$g_export" -a "$(id -u)" = 0 ]; then
#
# This block is avoided for compile for export and when the user isn't root
#
if [ "$3" = Yes ]; then
if [ -n "$LOGFILE" ]; then
if [ -n "$(syslog_circular_buffer)" ]; then
g_logread="logread | tac"
elif [ -r $LOGFILE ]; then
g_logread="tac $LOGFILE"
else
echo "LOGFILE ($LOGFILE) does not exist!" >&2
exit 2
fi
fi
fi
if [ $g_family -eq 4 ]; then
if [ -n "$IPTABLES" ]; then
if [ ! -x "$IPTABLES" ]; then
echo " ERROR: The program specified in IPTABLES does not exist or is not executable" >&2
exit 2
fi
else
IPTABLES=$(mywhich iptables 2> /dev/null)
if [ -z "$IPTABLES" ] ; then
echo " ERROR: Can't find iptables executable" >&2
exit 2
fi
fi
g_tool=$IPTABLES
else
if [ -n "$IP6TABLES" ]; then
if [ ! -x "$IP6TABLES" ]; then
echo " ERROR: The program specified in IP6TABLES does not exist or is not executable" >&2
exit 2
fi
else
IP6TABLES=$(mywhich ip6tables 2> /dev/null)
if [ -z "$IP6TABLES" ] ; then
echo " ERROR: Can't find ip6tables executable" >&2
exit 2
fi
fi
g_tool=$IP6TABLES
fi
if [ -n "$IP" ]; then
case "$IP" in
*/*)
if [ ! -x "$IP" ] ; then
echo " ERROR: The program specified in IP ($IP) does not exist or is not executable" >&2
exit 2
fi
;;
*)
prog="$(mywhich $IP 2> /dev/null)"
if [ -z "$prog" ] ; then
echo " ERROR: Can't find $IP executable" >&2
exit 2
fi
IP=$prog
;;
esac
else
IP='ip'
fi
if [ -n "$IPSET" ]; then
case "$IPSET" in
*/*)
if [ ! -x "$IPSET" ] ; then
echo " ERROR: The program specified in IPSET ($IPSET) does not exist or is not executable" >&2
exit 2
fi
;;
*)
prog="$(mywhich $IPSET 2> /dev/null)"
if [ -z "$prog" ] ; then
echo " ERROR: Can't find $IPSET executable" >&2
exit 2
fi
IPSET=$prog
;;
esac
else
IPSET='ipset'
fi
if [ -n "$TC" ]; then
case "$TC" in
*/*)
if [ ! -x "$TC" ] ; then
echo " ERROR: The program specified in TC ($TC) does not exist or is not executable" >&2
exit 2
fi
;;
*)
prog="$(mywhich $TC 2> /dev/null)"
if [ -z "$prog" ] ; then
echo " ERROR: Can't find $TC executable" >&2
exit 2
fi
TC=$prog
;;
esac
else
TC='tc'
fi
#
# Compile by non-root needs no restore file
#
[ -n "$RESTOREFILE" ] || RESTOREFILE=restore
validate_restorefile RESTOREFILE
if [ "$2" = Yes ]; then
case $STARTUP_ENABLED in
No|no|NO)
echo " ERROR: $g_product startup is disabled. To enable startup, set STARTUP_ENABLED=Yes in ${g_confdir}/${g_program}.conf" >&2
exit 2
;;
Yes|yes|YES)
;;
*)
if [ -n "$STARTUP_ENABLED" ]; then
echo " ERROR: Invalid Value for STARTUP_ENABLED: $STARTUP_ENABLED" >&2
exit 2
fi
;;
esac
fi
case ${SHOREWALL_COMPILER:=perl} in
perl|Perl)
;;
shell|Shell)
echo " WARNING: SHOREWALL_COMPILER=shell ignored. Shorewall-shell support has been removed in this release" >&2
;;
*)
echo " ERROR: Invalid value ($SHOREWALL_COMPILER) for SHOREWALL_COMPILER" >&2
exit 2
;;
esac
case ${TC_ENABLED:=Internal} in
No|NO|no)
TC_ENABLED=
;;
esac
[ -z "$LOGFORMAT" ] && LOGFORMAT='Shorewall:%s.%s'
[ -n "$LOGFORMAT" ] && LOGFORMAT="${LOGFORMAT%%%*}"
if [ -n "$STARTUP_LOG" ]; then
if [ -n "$LOG_VERBOSITY" ]; then
case $LOG_VERBOSITY in
-1)
;;
0|1|2)
;;
*)
echo " ERROR: Invalid LOG_VERBOSITY ($LOG_VERBOSITY)" >&2
exit 2;
;;
esac
else
LOG_VERBOSITY=2;
fi
else
LOG_VERBOSITY=-1;
fi
else
STARTUP_LOG=
LOG_VERBOSITY=-1
fi
if [ -n "$SHOREWALL_SHELL" -a -z "$g_export" ]; then
if [ ! -x "$SHOREWALL_SHELL" ]; then
echo " WARNING: The program specified in SHOREWALL_SHELL does not exist or is not executable; falling back to /bin/sh" >&2
SHOREWALL_SHELL=/bin/sh
fi
fi
case $VERBOSITY in
-1|0|1|2)
;;
*)
if [ -n "$VERBOSITY" ]; then
echo " ERROR: Invalid VERBOSITY setting ($VERBOSITY)" >&2
exit 2
else
VERBOSITY=2
fi
;;
esac
[ -n "$g_use_verbosity" ] && VERBOSITY=$g_use_verbosity || VERBOSITY=$(($g_verbose_offset + $VERBOSITY))
if [ $VERBOSITY -lt -1 ]; then
VERBOSITY=-1
elif [ $VERBOSITY -gt 2 ]; then
VERBOSITY=2
fi
g_hostname=$(hostname 2> /dev/null)
[ -n "$RSH_COMMAND" ] || RSH_COMMAND='ssh ${root}@${system} ${command}'
[ -n "$RCP_COMMAND" ] || RCP_COMMAND='scp ${files} ${root}@${system}:${destination}'
case $MANGLE_ENABLED in
Yes|yes)
;;
No|no)
MANGLE_ENABLED=
;;
*)
if [ -n "$MANGLE_ENABLED" ]; then
echo " ERROR: Invalid MANGLE_ENABLED setting ($MANGLE_ENABLED)" >&2
exit 2
fi
;;
esac
case $AUTOMAKE in
Yes|yes)
;;
No|no)
AUTOMAKE=
;;
*)
if [ -n "$AUTOMAKE" ]; then
echo " ERROR: Invalid AUTOMAKE setting ($AUTOMAKE)" >&2
exit 1
fi
;;
esac
case $LOAD_HELPERS_ONLY in
Yes|yes)
;;
No|no)
LOAD_HELPERS_ONLY=
;;
*)
if [ -n "$LOAD_HELPERS_ONLY" ]; then
echo " ERROR: Invalid LOAD_HELPERS_ONLY setting ($LOAD_HELPERS_ONLY)" >&2
exit 1
fi
;;
esac
case $LEGACY_FASTSTART in
Yes|yes)
;;
No|no)
LEGACY_FASTSTART=
;;
*)
if [ -n "$LEGACY_FASTSTART" ]; then
echo " ERROR: Invalid LEGACY_FASTSTART setting ($LEGACY_FASTSTART)" >&2
exit 1
fi
LEGACY_FASTSTART=Yes
;;
esac
}
#
# Determine if there are config files newer than the passed object
#
uptodate() {
[ -x $1 ] || return 1
local dir
local ifs
ifs="$IFS"
IFS=':'
for dir in $CONFIG_PATH; do
if [ -n "$(find ${dir} -newer $1)" ]; then
IFS="$ifs"
return 1;
fi
done
IFS="$ifs"
return 0
}
#
# Run the compiler
#
compiler() {
local pc
local shorewallrc
pc=$g_libexec/shorewall/compiler.pl
if [ $(id -u) -ne 0 ]; then
if [ -z "$g_shorewalldir" -o "$g_shorewalldir" = /etc/$g_program ]; then
startup_error "Ordinary users may not compile the /etc/$g_program configuration"
fi
fi
#
# We've now set g_shorewalldir so recalculate CONFIG_PATH
#
ensure_config_path
#
# Get the config from $g_shorewalldir
#
get_config Yes
case $COMMAND in
*start|try|refresh)
;;
*)
STARTUP_LOG=
LOG_VERBOSITY=-1
;;
esac
debugflags="-w"
[ -n "$g_debug" ] && debugflags='-wd'
[ -n "$g_profile" ] && debugflags='-wd:DProf'
# Perl compiler only takes the output file as a argument
[ "$1" = debug -o "$1" = trace ] && shift;
[ "$1" = nolock ] && shift;
shift
if [ -n "$g_export" ]; then
shorewallrc=$(find_file shorewallrc)
[ -f "$shorewallrc" ] || fatal_error "Compiling for export requires a shorewallrc file"
else
shorewallrc=
fi
options="--verbose=$VERBOSITY --family=$g_family --config_path=$CONFIG_PATH"
[ -n "$shorewallrc" ] && options="$options --shorewallrc=${shorewallrc}"
[ -n "$STARTUP_LOG" ] && options="$options --log=$STARTUP_LOG"
[ -n "$LOG_VERBOSITY" ] && options="$options --log_verbosity=$LOG_VERBOSITY";
[ -n "$g_export" ] && options="$options --export"
[ -n "$g_shorewalldir" ] && options="$options --directory=$g_shorewalldir"
[ -n "$g_timestamp" ] && options="$options --timestamp"
[ -n "$g_test" ] && options="$options --test"
[ -n "$g_preview" ] && options="$options --preview"
[ "$g_debugging" = trace ] && options="$options --debug"
[ -n "$g_refreshchains" ] && options="$options --refresh=$g_refreshchains"
[ -n "$g_confess" ] && options="$options --confess"
[ -n "$g_update" ] && options="$options --update"
[ -n "$g_convert" ] && options="$options --convert"
[ -n "$g_annotate" ] && options="$options --annotate"
if [ -n "$PERL" ]; then
if [ ! -x "$PERL" ]; then
echo " WARNING: The program specified in the PERL option does not exist or is not executable; falling back to /usr/bin/perl" >&2
PERL=/usr/bin/perl
fi
else
PERL=/usr/bin/perl
fi
if [ $g_perllib = ${g_libexec}/shorewall ]; then
$PERL $debugflags $pc $options $@
else
PERL5LIB=$g_perllib
export PERL5LIB
$PERL $debugflags $pc $options $@
fi
}
#
# Run the postcompile user exit
#
run_postcompile() { # $1 is the compiled script
local script
script=$(find_file postcompile)
if [ -f $script ]; then
. $script $1
else
return 0
fi
}
#
# Start Command Executor
#
start_command() {
local finished
finished=0
local object
local rc
rc=0
do_it() {
if [ -n "$AUTOMAKE" ]; then
[ -n "$nolock" ] || mutex_on
run_it ${VARDIR}/firewall $g_debugging start
rc=$?
[ -n "$nolock" ] || mutex_off
else
progress_message3 "Compiling..."
if compiler $g_debugging $nolock compile ${VARDIR}/.start; then
run_postcompile ${VARDIR}/.start
[ -n "$nolock" ] || mutex_on
run_it ${VARDIR}/.start $g_debugging start
rc=$?
[ -n "$nolock" ] || mutex_off
else
rc=$?
logger -p kern.err "ERROR:$g_product start failed"
fi
fi
exit $rc
}
if product_is_started; then
error_message "Shorewall is already running"
exit 0
fi
[ -n "$STARTUP_ENABLED" ] || fatal_error "Startup is disabled"
while [ $finished -eq 0 -a $# -gt 0 ]; do
option=$1
case $option in
-*)
option=${option#-}
while [ -n "$option" ]; do
case $option in
-)
finished=1
option=
;;
d*)
g_debug=Yes
option=${option#d}
;;
f*)
g_fast=Yes
option=${option#f}
;;
p*)
[ -n "$(which conntrack)" ] || fatal_error "The '-p' option requires the conntrack utility which does not appear to be installed on this system"
g_purge=Yes
option=${option%p}
;;
c*)
AUTOMAKE=
option=${option#c}
;;
T*)
g_confess=Yes
option=${option#T}
;;
*)
usage 1
;;
esac
done
shift
;;
*)
finished=1
;;
esac
done
case $# in
0)
;;
1)
[ -n "$g_shorewalldir" -o -n "$g_fast" ] && usage 2
if [ ! -d $1 ]; then
if [ -e $1 ]; then
echo "$1 is not a directory" >&2 && exit 2
else
echo "Directory $1 does not exist" >&2 && exit 2
fi
fi
g_shorewalldir=$(resolve_file $1)
AUTOMAKE=
;;
*)
usage 1
;;
esac
if [ -n "${g_fast}${AUTOMAKE}" ]; then
if [ -z "$g_fast" -o -z "$LEGACY_FASTSTART" ]; then
#
# Automake or LEGACY_FASTSTART=No -- use the last compiled script
#
object=firewall
else
#
# 'start -f' with LEGACY_FASTSTART=Yes -- use last saved configuration
#
object=$RESTOREFILE
fi
if ! uptodate ${VARDIR}/$object; then
g_fast=
AUTOMAKE=
fi
if [ -n "$g_fast" -a $object = $RESTOREFILE ]; then
g_restorepath=${VARDIR}/$object
[ -n "$nolock" ] || mutex_on
echo Restoring Shorewall...
run_it $g_restorepath restore
rc=$?
[ -n "$nolock" ] || mutex_off
[ $rc -eq 0 ] && progress_message3 "$g_product restored from $g_restorepath"
exit $rc
else
do_it
fi
else
do_it
fi
}
#
# Compile Command Executor
#
compile_command() {
local finished
finished=0
while [ $finished -eq 0 ]; do
[ $# -eq 0 ] && break
option=$1
case $option in
-*)
shift
option=${option#-}
[ -z "$option" ] && usage 1
while [ -n "$option" ]; do
case $option in
e*)
g_export=Yes
option=${option#e}
;;
p*)
g_profile=Yes
option=${option#p}
;;
t*)
g_test=Yes
option=${option#t}
;;
d*)
g_debug=Yes;
option=${option#d}
;;
T*)
g_confess=Yes
option=${option#T}
;;
-)
finished=1
option=
;;
*)
usage 1
;;
esac
done
;;
*)
finished=1
;;
esac
done
file=
case $# in
0)
file=${VARDIR}/firewall
;;
1)
file=$1
[ -d $file ] && echo " ERROR: $file is a directory" >&2 && exit 2;
;;
2)
[ -n "$g_shorewalldir" ] && usage 2
if [ ! -d $1 ]; then
if [ -e $1 ]; then
echo "$1 is not a directory" >&2 && exit 2
else
echo "Directory $1 does not exist" >&2 && exit 2
fi
fi
g_shorewalldir=$(resolve_file $1)
file=$2
;;
*)
usage 1
;;
esac
[ "x$file" = x- ] || progress_message3 "Compiling..."
compiler $g_debugging compile $file && run_postcompile $file
}
#
# Check Command Executor
#
check_command() {
local finished
finished=0
while [ $finished -eq 0 -a $# -gt 0 ]; do
option=$1
case $option in
-*)
option=${option#-}
while [ -n "$option" ]; do
case $option in
-)
finished=1
option=
;;
e*)
g_export=Yes
option=${option#e}
;;
p*)
g_profile=Yes
option=${option#p}
;;
d*)
g_debug=Yes;
option=${option#d}
;;
r*)
g_preview=Yes
option=${option#r}
;;
T*)
g_confess=Yes
option=${option#T}
;;
a*)
g_annotate=Yes
option=${option#a}
;;
*)
usage 1
;;
esac
done
shift
;;
*)
finished=1
;;
esac
done
case $# in
0)
;;
1)
[ -n "$g_shorewalldir" ] && usage 2
if [ ! -d $1 ]; then
if [ -e $1 ]; then
echo "$1 is not a directory" >&2 && exit 2
else
echo "Directory $1 does not exist" >&2 && exit 2
fi
fi
g_shorewalldir=$(resolve_file $1)
;;
*)
usage 1
;;
esac
progress_message3 "Checking..."
compiler $g_debugging $nolock check
}
#
# Update Command Executor
#
update_command() {
local finished
finished=0
g_update=Yes
while [ $finished -eq 0 -a $# -gt 0 ]; do
option=$1
case $option in
-*)
option=${option#-}
while [ -n "$option" ]; do
case $option in
-)
finished=1
option=
;;
e*)
g_export=Yes
option=${option#e}
;;
p*)
g_profile=Yes
option=${option#p}
;;
d*)
g_debug=Yes;
option=${option#d}
;;
r*)
g_preview=Yes
option=${option#r}
;;
T*)
g_confess=Yes
option=${option#T}
;;
a*)
g_annotate=Yes
option=${option#a}
;;
b*)
g_convert=Yes
option=${option#b}
;;
*)
usage 1
;;
esac
done
shift
;;
*)
finished=1
;;
esac
done
case $# in
0)
;;
1)
[ -n "$g_shorewalldir" ] && usage 2
if [ ! -d $1 ]; then
if [ -e $1 ]; then
echo "$1 is not a directory" >&2 && exit 2
else
echo "Directory $1 does not exist" >&2 && exit 2
fi
fi
g_shorewalldir=$(resolve_file $1)
;;
*)
usage 1
;;
esac
progress_message3 "Updating..."
compiler $g_debugging $nolock check
}
#
# Restart Command Executor
#
restart_command() {
local finished
finished=0
local rc
rc=0
local restorefile
while [ $finished -eq 0 -a $# -gt 0 ]; do
option=$1
case $option in
-*)
option=${option#-}
while [ -n "$option" ]; do
case $option in
-)
finished=1
option=
;;
d*)
g_debug=Yes
option=${option#d}
;;
f*)
g_fast=Yes
option=${option#f}
;;
c*)
AUTOMAKE=
option=${option#c}
;;
n*)
g_noroutes=Yes
option=${option#n}
;;
p*)
[ -n "$(which conntrack)" ] || fatal_error "The '-p' option requires the conntrack utility which does not appear to be installed on this system"
g_purge=Yes
option=${option%p}
;;
T*)
g_confess=Yes
option=${option#T}
;;
*)
usage 1
;;
esac
done
shift
;;
*)
finished=1
;;
esac
done
case $# in
0)
;;
1)
[ -n "$g_shorewalldir" ] && usage 2
if [ ! -d $1 ]; then
if [ -e $1 ]; then
echo "$1 is not a directory" >&2 && exit 2
else
echo "Directory $1 does not exist" >&2 && exit 2
fi
fi
g_shorewalldir=$(resolve_file $1)
[ -n "$g_fast" ] && fatal_error "Directory may not be specified with the -f option"
AUTOMAKE=
;;
*)
usage 1
;;
esac
[ -n "$STARTUP_ENABLED" ] || fatal_error "Startup is disabled"
if [ -z "$g_fast" -a -n "$AUTOMAKE" ]; then
uptodate ${VARDIR}/firewall && g_fast=Yes
fi
if [ -z "$g_fast" ]; then
progress_message3 "Compiling..."
if compiler $g_debugging $nolock compile ${VARDIR}/.restart; then
run_postcompile ${VARDIR}/.restart
[ -n "$nolock" ] || mutex_on
run_it ${VARDIR}/.restart $g_debugging restart
rc=$?
[ -n "$nolock" ] || mutex_off
else
rc=$?
logger -p kern.err "ERROR:$g_product restart failed"
fi
else
[ -x ${VARDIR}/firewall ] || fatal_error "No ${VARDIR}/firewall file found"
[ -n "$nolock" ] || mutex_on
run_it ${VARDIR}/firewall $g_debugging restart
rc=$?
[ -n "$nolock" ] || mutex_off
fi
return $rc
}
#
# Refresh Command Executor
#
refresh_command() {
local finished
finished=0
while [ $finished -eq 0 -a $# -gt 0 ]; do
option=$1
case $option in
-*)
option=${option#-}
while [ -n "$option" ]; do
case $option in
-)
finished=1
option=
;;
d*)
g_debug=Yes
option=${option#d}
;;
n*)
g_noroutes=Yes
option=${option#n}
;;
T*)
g_confess=Yes
option=${option#T}
;;
D)
if [ $# -gt 1 ]; then
g_shorewalldir="$2"
option=
shift
else
fatal_error "ERROR: the -D option requires a directory name"
fi
;;
*)
usage 1
;;
esac
done
shift
;;
*)
finished=1
;;
esac
done
if [ $# -gt 0 ]; then
g_refreshchains=$1
shift
while [ $# -gt 0 ]; do
g_refreshchains="$g_refreshchains,$1"
shift
done
else
g_refreshchains=:refresh:
fi
product_is_started || fatal_error "$g_product is not running"
[ -n "$STARTUP_ENABLED" ] || fatal_error "Startup is disabled"
progress_message3 "Compiling..."
if compiler $g_debugging $nolock compile ${VARDIR}/.refresh; then
run_postcompile ${VARDIR}/.refresh
[ -n "$nolock" ] || mutex_on
run_it ${VARDIR}/.refresh $g_debugging refresh
rc=$?
[ -n "$nolock" ] || mutex_off
else
rc=$?
fi
return $rc
}
#
# Safe-start/safe-restart Command Executor
#
safe_commands() {
local finished
finished=0
local command
local timeout
timeout=60
# 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 $option in
-)
finished=1
option=
;;
n*)
g_noroutes=Yes
option=${option#n}
;;
t)
[ $# -eq 1 ] && fatal_error "The -t option requires a timeout value"
echo $2 | egrep -q '[[:digit:]]+[smh]' || fatal_error "The timeout value must be numeric, optionally followed by a suffix (s, m or h)"
timeout=$2
option=
shift;
;;
*)
usage 1
;;
esac
done
shift
;;
*)
finished=1
;;
esac
done
case $# in
0)
;;
1)
[ -n "$g_shorewalldir" ] && usage 2
if [ ! -d $1 ]; then
if [ -e $1 ]; then
echo "$1 is not a directory" >&2 && exit 2
else
echo "Directory $1 does not exist" >&2 && exit 2
fi
fi
g_shorewalldir=$(resolve_file $1)
;;
*)
usage 1
;;
esac
[ -n "$STARTUP_ENABLED" ] || fatal_error "Startup is disabled"
if product_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"
exit 0
fi
if [ "$COMMAND" = "safe-start" -o -z "$running" ]; then
# the command is safe-start or shorewall[6] 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 ! compiler $g_debugging nolock compile ${VARDIR}/.$command; then
status=$?
exit $status
fi
run_postcompile ${VARDIR}/.$command
case $command in
start)
RESTOREFILE=NONE
progress_message3 "Starting..."
;;
restart)
RESTOREFILE=.safe
g_restorepath=${VARDIR}/.safe
save_config
progress_message3 "Restarting..."
;;
esac
[ -n "$nolock" ] || mutex_on
if run_it ${VARDIR}/.$command $g_debugging $command; then
echo -n "Do you want to accept the new firewall configuration? [y/n] "
if read_yesno_with_timeout $timeout ; then
echo "New configuration has been accepted"
else
if [ "$command" = "restart" ]; then
run_it ${VARDIR}/.safe restore
else
run_it ${VARDIR}/.$command clear
fi
[ -n "$nolock" ] || mutex_off
echo "New configuration has been rejected and the old one restored"
exit 2
fi
fi
[ -n "$nolock" ] || mutex_off
}
#
# 'try' Command Executor
#
try_command() {
local finished
finished=0
local timeout
timeout=
handle_directory() {
[ -n "$g_shorewalldir" ] && usage 2
if [ ! -d $1 ]; then
if [ -e $1 ]; then
echo "$1 is not a directory" >&2 && exit 2
else
echo "Directory $1 does not exist" >&2 && exit 2
fi
fi
g_shorewalldir=$(resolve_file $1)
}
while [ $finished -eq 0 -a $# -gt 0 ]; do
option=$1
case $option in
-*)
option=${option#-}
while [ -n "$option" ]; do
case $option in
-)
finished=1
option=
;;
n*)
g_noroutes=Yes
option=${option#n}
;;
*)
usage 1
;;
esac
done
shift
;;
*)
finished=1
;;
esac
done
case $# in
0)
usage 1
;;
1)
handle_directory $1
;;
2)
handle_directory $1
echo $2 | egrep -q '[[:digit:]]+[smh]' || fatal_error "The timeout value must be numeric, optionally followed by a suffix (s, m or h)"
timeout=$2
;;
*)
usage 1
;;
esac
[ -n "$STARTUP_ENABLED" ] || fatal_error "Startup is disabled"
if product_is_started; then
running=Yes
else
running=
fi
if [ -z "$running" ]; then
# shorewall[6] is not started yet
command="start"
else
# the firewall is already running
command="restart"
fi
progress_message3 "Compiling..."
if ! compiler $g_debugging $nolock compile ${VARDIR}/.$command; then
status=$?
exit $status
fi
run_postcompile ${VARDIR}/.restart
case $command in
start)
RESTOREFILE=NONE
progress_message3 "Starting..."
;;
restart)
RESTOREFILE=.try
g_restorepath=${VARDIR}/.try
save_config
progress_message3 "Restarting..."
;;
esac
[ -n "$nolock" ] || mutex_on
if run_it ${VARDIR}/.$command $command && [ -n "$timeout" ]; then
sleep $timeout
if [ "$command" = "restart" ]; then
run_it ${VARDIR}/.try restore
else
run_it ${VARDIR}/.$command clear
fi
fi
[ -n "$nolock" ] || mutex_off
return 0
}
rsh_command() {
command="$*"
eval $RSH_COMMAND
}
rcp_command() {
files="$1"
destination=$2
eval $RCP_COMMAND
}
#
# [Re]load command executor
#
reload_command() # $* = original arguments less the command.
{
local verbose
verbose=$(make_verbose)
local file
file=
local capabilities
capabilities=
local finished
finished=0
local saveit
saveit=
local result
local directory
local system
local getcaps
getcaps=
local root
root=root
local libexec
libexec=/usr/share
local confdir
confdir=/etc
local sbindir
sbindir=/sbin
litedir=/var/lib/${g_program}-lite
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}
;;
r)
[ $# -gt 1 ] || fatal_error "Missing Root User name"
root=$2
option=
shift
;;
T*)
g_confess=Yes
option=${option#T}
;;
*)
usage 1
;;
esac
done
shift
;;
*)
finished=1
;;
esac
done
case $# in
1)
directory="."
system=$1
;;
2)
directory=$1
system=$2
;;
*)
usage 1
;;
esac
temp=$(rsh_command ${g_program}-lite show config 2> /dev/null | grep ^LITEDIR | sed 's/LITEDIR is //')
[ -n "$temp" ] && litedir="$temp"
temp=$(rsh_command ${g_program}-lite show config 2> /dev/null | grep ^LIBEXEC | sed 's/LIBEXEC is //')
if [ -n "$temp" ]; then
case $temp in
/*)
libexec="$temp"
;;
*)
libexec=/usr/$temp
;;
esac
fi
temp=$(rsh_command ${g_program}-lite show config 2> /dev/null | grep ^SBINDIR | sed 's/SBINDIR is //')
[ -n "$temp" ] && sbindir="$temp"
temp=$(rsh_command ${g_program}-lite show config 2> /dev/null | grep ^CONFDIR | sed 's/CONFDIR is //')
[ -n "$temp" ] && confdir="$temp"
if [ -z "$getcaps" ]; then
g_shorewalldir=$(resolve_file $directory)
ensure_config_path
capabilities=$(find_file capabilities)
[ -f $capabilities ] || getcaps=Yes
fi
if [ -f $directory/${g_program}.conf ]; then
if [ -f $directory/params ]; then
. $directory/params
fi
. $directory/$g_program.conf
ensure_config_path
fi
if [ -n "$getcaps" ]; then
[ -n "$DONT_LOAD" ] && DONT_LOAD="$(echo $DONT_LOAD | tr ',' ' ')"
progress_message "Getting Capabilities on system $system..."
if [ $g_family -eq 4 ]; then
if ! rsh_command "MODULESDIR=$MODULESDIR MODULE_SUFFIX=\"$MODULE_SUFFIX\" IPTABLES=$IPTABLES DONT_LOAD=\"$DONT_LOAD\" $libexec/shorewall-lite/shorecap" > $directory/capabilities; then
fatal_error "Capturing capabilities on system $system failed"
fi
elif ! rsh_command "MODULESDIR=$MODULESDIR MODULE_SUFFIX=\"$MODULE_SUFFIX\" IP6TABLES=$IP6TABLES DONT_LOAD=\"$DONT_LOAD\" $libexec/shorewall6-lite/shorecap" > $directory/capabilities; then
fatal_error "Capturing capabilities on system $system failed"
fi
fi
file=$(resolve_file $directory/firewall)
[ -n "$g_timestamp" ] && timestamp='-t' || timestamp=
if $g_program $g_debugging $verbose $timestamp compile -e $directory $directory/firewall && \
progress_message3 "Copying $file and ${file}.conf to ${system}:${litedir}..." && \
rcp_command "$directory/firewall $directory/firewall.conf" ${litedir}
then
save=$(find_file save);
[ -f $save ] && progress_message3 "Copying $save to ${system}:${confdir}/${g_program}-lite/" && rcp_command $save ${confdir}/shorewall-lite/
progress_message3 "Copy complete"
if [ $COMMAND = reload ]; then
rsh_command "${sbindir}/${g_program}-lite $g_debugging $verbose $timestamp restart" && \
progress_message3 "System $system reloaded" || saveit=
else
rsh_command "${sbindir}/${g_program}-lite $g_debugging $verbose $timestamp start" && \
progress_message3 "System $system loaded" || saveit=
fi
if [ -n "$saveit" ]; then
rsh_command "${sbindir}/${g_program}-lite $g_debugging $verbose $timestamp save" && \
progress_message3 "Configuration on system $system saved"
fi
fi
}
#
# Export command executor
#
export_command() # $* = original arguments less the command.
{
local verbose
verbose=$(make_verbose)
local file
file=
local finished
finished=0
local directory
local 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 "Invalid command syntax (\"man $g_program\" for help)"
;;
esac
case $target in
*:*)
;;
*)
target=$target:
;;
esac
file=$(resolve_file $directory/firewall)
if $g_program $g_debugging $verbose compile -e $directory $directory/firewall && \
echo "Copying $file and ${file}.conf to ${target#*@}..." && \
scp $directory/firewall $directory/firewall.conf $target
then
save=$(find_file save);
[ -f $save ] && progress_message3 "Copying $save to ${target#*}..." && rcp_command $save $target
progress_message3 "Copy complete"
fi
}
#
# Give Usage Information
#
usage() # $1 = exit status
{
echo "Usage: $(basename $0) [debug|trace] [nolock] [ -q ] [ -v[-1|{0-2}] ] [ -t ] <command>"
echo "where <command> is one of:"
echo " add <interface>[:<host-list>] ... <zone>"
echo " allow <address> ..."
echo " check [ -e ] [ -r ] [ -p ] [ -r ] [ -T ] [ <directory> ]"
echo " clear"
echo " compile [ -e ] [ -p ] [ -t ] [ -d ] [ -T ] [ <directory name> ] [ <path name> ]"
echo " delete <interface>[:<host-list>] ... <zone>"
echo " disable <interface>"
echo " drop <address> ..."
echo " dump [ -x ]"
echo " enable <interface>"
echo " export [ <directory1> ] [<user>@]<system>[:<directory2>]"
echo " forget [ <file name> ]"
echo " help"
if [ $g_family -eq 4 ]; then
echo " hits [ -t ]"
echo " ipcalc { <address>/<vlsm> | <address> <netmask> }"
echo " ipdecimal { <address> | <integer> }"
echo " iprange <address>-<address>"
fi
echo " iptrace <iptables match expression>"
echo " load [ -s ] [ -c ] [ -r <root user> ] [ -T ] [ <directory> ] <system>"
echo " logdrop <address> ..."
echo " logreject <address> ..."
echo " logwatch [<refresh interval>]"
if [ $g_family -eq 4 ]; then
echo " noiptrace <iptables match expression>"
else
echo " noiptrace <ip6tables match expression>"
fi
echo " refresh [ -d ] [ -n ] [ -T ] [ -D <directory> ] [ <chain>... ]"
echo " reject <address> ..."
echo " reload [ -s ] [ -c ] [ -r <root user> ] [ -T ] [ <directory> ] <system>"
echo " reset [ <chain> ... ]"
echo " restart [ -n ] [ -p ] [-d] [ -f ] [ -c ] [ -T ] [ <directory> ]"
echo " restore [ -n ] [ <file name> ]"
echo " safe-restart [ -t <timeout> ] [ <directory> ]"
echo " safe-start [ -t <timeout> ] [ <directory> ]"
echo " save [ <file name> ]"
echo " show [ -x ] [ -t {filter|mangle|nat|raw|rawpost} ] [ {chain [<chain> [ <chain> ... ]"
echo " show actions"
echo " show [ -f ] capabilities"
echo " show classifiers"
echo " show config"
echo " show connections"
echo " show dynamic <zone>"
echo " show filters"
echo " show ip"
if [ $g_family -eq 4 ]; then
echo " show ipa"
fi
echo " show [ -m ] log [<regex>]"
echo " show macro <macro>"
echo " show macros"
echo " show marks"
echo " show [ -x ] mangle|nat|raw|rawpost|routing"
echo " show nfacct"
echo " show policies"
echo " show routing"
echo " show tc [ device ]"
echo " show vardir"
echo " show zones"
echo " start [ -f ] [ -n ] [ -p ] [ -c ] [ -T ] [ <directory> ]"
echo " status"
echo " stop"
echo " try <directory> [ <timeout> ]"
echo " update [ -a ] [ -b ] [ -r ] [ -T ] [ <directory> ]"
echo " version [ -a ]"
echo
exit $1
}
compiler_command() {
case $COMMAND in
compile)
shift
compile_command $@
;;
refresh)
get_config Yes Yes
shift
refresh_command $@
;;
check)
shift
check_command $@
;;
update)
get_config Yes
shift
update_command $@
;;
load|reload)
get_config Yes
shift
reload_command $@
;;
export)
get_config Yes
shift
export_command $@
;;
try)
get_config Yes
shift
try_command $@
;;
safe-restart|safe-start)
get_config Yes
shift
safe_commands $@
;;
*)
usage 1
;;
esac
}
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