ipf_include.sh revision eb1a34638eba7c5add1421327f3eb225a8ea7518
#!/sbin/sh
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
#
# Copyright 2009 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
ETC_IPF_DIR=/etc/ipf
IP6FILCONF=$ETC_IPF_DIR/ipf6.conf
IPNATCONF=$ETC_IPF_DIR/ipnat.conf
IPPOOLCONF=$ETC_IPF_DIR/ippool.conf
VAR_IPF_DIR=/var/tmp/ipf
IPFILCONF=$VAR_IPF_DIR/ipf.conf
IPFILOVRCONF=$VAR_IPF_DIR/ipf_ovr.conf
IPF_LOCK=/var/run/ipflock
CONF_FILES=""
NAT_FILES=""
IPF_SUFFIX=".ipf"
NAT_SUFFIX=".nat"
# version for configuration upgrades
CURRENT_VERSION=1
IPF_FMRI="svc:/network/ipfilter:default"
INETDFMRI="svc:/network/inetd:default"
RPCBINDFMRI="svc:/network/rpc/bind:default"
SMF_ONLINE="online"
SMF_MAINT="maintenance"
SMF_NONE="none"
FW_CONTEXT_PG="firewall_context"
METHOD_PROP="ipf_method"
FW_CONFIG_PG="firewall_config"
POLICY_PROP="policy"
APPLY2_PROP="apply_to"
EXCEPTIONS_PROP="exceptions"
FW_CONFIG_DEF_PG="firewall_config_default"
FW_CONFIG_OVR_PG="firewall_config_override"
CUSTOM_FILE_PROP="custom_policy_file"
OPEN_PORTS_PROP="open_ports"
PREFIX_HOST="host:"
PREFIX_NET="network:"
PREFIX_POOL="pool:"
PREFIX_IF="if:"
SERVINFO=/usr/lib/servinfo
#
# Given a service, gets its config pg name
#
get_config_pg()
{
if [ "$1" = "$IPF_FMRI" ]; then
echo "$FW_CONFIG_DEF_PG"
else
echo "$FW_CONFIG_PG"
fi
return 0
}
#
# Given a service, gets its firewall policy
#
get_policy()
{
config_pg=`get_config_pg $1`
svcprop -p $config_pg/${POLICY_PROP} $1 2>/dev/null
}
get_global_def_policy()
{
svcprop -p ${FW_CONFIG_DEF_PG}/${POLICY_PROP} $IPF_FMRI 2>/dev/null
}
#
# Given a service, gets its firewall policy
#
get_exceptions()
{
config_pg=`get_config_pg $1`
svcprop -p $config_pg/${EXCEPTIONS_PROP} $1 2>/dev/null
}
#
# Given a service, gets its firewall policy
#
get_apply2_list()
{
config_pg=`get_config_pg $1`
svcprop -p $config_pg/${APPLY2_PROP} $1 2>/dev/null
}
check_ipf_dir()
{
[ -d $VAR_IPF_DIR ] && return 0
mkdir $VAR_IPF_DIR >/dev/null 2>&1 || return 1
}
#
# fmri_to_file fmri suffix
#
fmri_to_file()
{
check_ipf_dir || return 1
fprefix="${VAR_IPF_DIR}/`echo $1 | tr -s '/:' '__'`"
echo "${fprefix}${2}"
}
#
# Return service's enabled property
#
service_is_enabled()
{
#
# Temporary enabled state overrides the persistent state
# so check it first.
#
enabled_ovr=`svcprop -c -p general_ovr/enabled $1 2>/dev/null`
if [ -n "$enabled_ovr" ]; then
[ "$enabled_ovr" = "true" ] && return 0 || return 1
fi
enabled=`svcprop -c -p general/enabled $1 2>/dev/null`
[ -n "$enabled" -a "$enabled" = "true" ] && return 0 || return 1
}
#
# Return whether service is desired state
#
# Args: fmri state
# Return:
# 0 - desired state is service's current state
# 1 - desired state is not service's current state
#
service_check_state()
{
#
# Make sure we're done with ongoing state transition
#
while [ "`svcprop -p restarter/next_state $1`" != "$SMF_NONE" ]; do
sleep 1
done
[ "`svcprop -p restarter/state $1`" = "$2" ] && return 0 || return 1
}
#
# Deny/Allow list stores values in the form "host:addr", "network:addr/netmask",
# "pool:number", and "if:interface". This function returns the
# IP(addr or addr/netmask) value or a pool number.
#
get_IP()
{
value_is_interface $1 && return 1
echo "$1" | sed -n -e 's,^pool:\(.*\),pool/\1,p' \
-e 's,^host:\(.*\),\1,p' \
-e 's,^network:\(.*\),\1,p'
}
get_interface()
{
value_is_interface $1 || return 1
scratch=`echo "$1" | sed -e 's/^if://'`
ifconfig $scratch >/dev/null 2>&1 || return 1
echo $scratch | sed -e 's/:.*//'
}
#
#
#
value_is_interface()
{
[ -z "$1" ] && return 1
echo $1 | grep "^if:" >/dev/null 2>&1
}
#
# Remove rules in given file from active list without restarting ipfilter
#
remove_rules()
{
[ -f "$1" ] && ipf -r -f $1 >/dev/null 2>&1
}
remove_nat_rules()
{
[ -f "$1" ] && ipnat -r -f $1 >/dev/null 2>&1
}
check_ipf_syntax()
{
ipf -n -f $1 >/dev/null 2>&1
}
check_nat_syntax()
{
ipnat -n -f $1 >/dev/null 2>&1
}
file_get_ports()
{
ipf -n -v -f $1 2>/dev/null | sed -n -e \
's/.*to.* port = \([a-z0-9]*\).*/\1/p' | uniq | \
awk '{if (length($0) > 1) {printf("%s ", $1)}}'
}
get_active_ports()
{
ipfstat -io 2>/dev/null | sed -n -e \
's/.*to.* port = \([a-z0-9]*\).*/\1/p' | uniq | \
awk '{if (length($0) > 1) {printf("%s ",$1)}}'
}
#
# Given two list of ports, return failure if there's a duplicate.
#
sets_check_duplicate()
{
#
# If either list is empty, there isn't any conflict.
#
[ -z "$1" -o -z "$2" ] && return 0
for p in $1; do
for ap in $2; do
[ "$p" = "$ap" ] && return 1
done
done
return 0
}
#
# Given a file containing ipf rules, check the syntax and verify
# the rules don't conflict, use same port number, with active
# rules (ipfstat -io output).
#
update_check_ipf_rules()
{
check_ipf_syntax $1 || return 1
lports=`file_get_ports $1`
lactive_ports=`get_active_ports`
sets_check_duplicate "$lports" "$lactive_ports" || return 1
}
server_port_list=""
#
# Given a file containing ipf rules, check the syntax and verify
# the rules don't conflict with already processed services.
#
# The list of processed services' ports are maintained in the global
# variable 'server_port_list'.
#
check_ipf_rules()
{
check_ipf_syntax $1 || return 1
lports=`file_get_ports $1`
sets_check_duplicate "$lports" "$server_port_list" || return 1
server_port_list="$server_port_list $lports"
return 0
}
prepend_new_rules()
{
check_ipf_syntax $1 && tail -r $1 | sed -e 's/^[a-z]/@0 &/' | \
ipf -f - >/dev/null 2>&1
}
append_new_rules()
{
check_ipf_syntax $1 && ipf -f $1 >/dev/null 2>&1
}
append_new_nat_rules()
{
check_nat_syntax $1 && ipnat -f $1 >/dev/null 2>&1
}
#
# get port information from string of the form "proto:{port | port-port}"
#
tuple_get_port()
{
port_str=`echo "$1" | sed -e 's/ //g; s/.*://' 2>/dev/null`
[ -z "$port_str" ] && return 1
echo $port_str | grep "-" >/dev/null
if [ $? -eq 0 ]; then
echo $port_str | grep '^[0-9]\{1,5\}-[0-9]\{1,5\}$' >/dev/null || \
return 1
ports=`echo $port_str | ( IFS=- read a b ; \
[ $a \-le $b ] && echo $a $b || echo $b $a )`
for p in $ports; do
[ $p -gt 65535 ] && return 1
done
echo "$ports"
else
#
# port_str is a single port, verify and return it.
#
echo "$port_str" | grep '^[0-9]\{1,5\}$' >/dev/null || return 1
[ $port_str -gt 65535 ] && return 1
echo "$port_str"
fi
}
#
# get proto info from string of the form "{tcp | udp}:port"
#
tuple_get_proto()
{
proto=`echo "$1" | sed -e 's/ //g; s/:.*//' 2>/dev/null`
[ -z "$proto" ] && return 0
[ "$proto" = "tcp" -o "$proto" = "udp" ] && echo $proto || return 1
return 0
}
ipf_get_lock()
{
newpid=$$
if [ -f "$IPF_LOCK/pid" ]; then
curpid=`cat $IPF_LOCK/pid 2>/dev/null`
[ "$curpid" = "$newpid" ] && return 0
#
# Clear lock if the owning process is no longer around.
#
ps -p $curpid >/dev/null 2>&1 || rm -r $IPF_LOCK >/dev/null 2>&1
fi
#
# Grab the lock
#
while :; do
mkdir $IPF_LOCK 2>/dev/null && break;
sleep 1
done
echo $newpid > $IPF_LOCK/pid
}
#
# Remove lock if it's ours
#
ipf_remove_lock()
{
if [ -f "$IPF_LOCK/pid" ]; then
[ "`cat $IPF_LOCK/pid`" = "$$" ] && rm -r $IPF_LOCK
fi
return 0
}
#
# Make IPFILCONF, /var/tmp/ipf/ipf.conf, a symlink to the input file argument.
#
custom_set_symlink()
{
#
# Nothing to do if the input file doesn't exist or
# if the input file is the "/etc/ipf/ipf.conf" file.
#
[ ! -f "$1" ] && return 0
rm $IPFILCONF >/dev/null 2>&1
ln -s $1 $IPFILCONF >/dev/null 2>&1
}
#
# New file replaces original file if they have different content
#
replace_file()
{
orig=$1
new=$2
#
# IPFILCONF may be a symlink, remove it if that's the case
#
if [ -L "$orig" ]; then
rm $orig
touch $orig
fi
mv $new $orig && return 0 || return 1
}
#
# Given a service, gets the following details for ipf rule:
# - policy
# - protocol
# - port(IANA port obtained by running servinfo)
#
process_server_svc()
{
service=$1
ip="any"
policy=`get_policy ${service}`
#
# Empties service's rules file so callers won't use existing rule if
# we fail here.
#
file=`fmri_to_file $service $IPF_SUFFIX`
[ -z "$file" ] && return 1
echo "# $service" >${file}
#
# Nothing to do if policy is "use_global"
#
[ "$policy" = "use_global" ] && return 0
restarter=`svcprop -p general/restarter $service 2>/dev/null`
if [ "$restarter" = "$INETDFMRI" ]; then
iana_name=`svcprop -p inetd/name $service 2>/dev/null`
isrpc=`svcprop -p inetd/isrpc $service 2>/dev/null`
else
iana_name=`svcprop -p $FW_CONTEXT_PG/name $service 2>/dev/null`
isrpc=`svcprop -p $FW_CONTEXT_PG/isrpc $service 2>/dev/null`
fi
#
# Bail if iana_name isn't defined. Services with static rules
# like nis/client don't need to generate rules using
# iana name and protocol information.
#
[ -z "$iana_name" ] && return 1
#
# RPC services
#
if [ "$isrpc" = "true" ]; then
tports=`$SERVINFO -R -p -t -s $iana_name 2>/dev/null`
if [ -n "$tports" ]; then
for tport in $tports; do
generate_rules $service $policy "tcp" \
$ip $tport $file
done
fi
uports=`$SERVINFO -R -p -u -s $iana_name 2>/dev/null`
if [ -n "$uports" ]; then
for uport in $uports; do
generate_rules $service $policy "udp" \
$ip $uport $file
done
fi
return 0
fi
#
# Get the IANA port and supported protocols(tcp and udp)
# No support for IPv6 at this point.
#
tport=`$SERVINFO -p -t -s $iana_name 2>&1`
if [ $? -eq 0 -a -n "$tport" ]; then
generate_rules $service $policy "tcp" $ip $tport $file
fi
uport=`$SERVINFO -p -u -s $iana_name 2>&1`
if [ $? -eq 0 -a -n "$uport" ]; then
generate_rules $service $policy "udp" $ip $uport $file
fi
return 0
}
#
# Given a service's name, policy, protocol and port, generate ipf rules
# - list of host/network/interface to apply policy
#
# A 'use_global' policy inherits the system-wided Global Default policy
# from network/ipfilter. For {deny | allow} policies, the rules are
# ordered as:
#
# - make exceptions to policy for those in "exceptions" list
# - apply policy to those specified in "apply_to" list
# - policy rule
#
generate_rules()
{
service=$1
mypolicy=$2
proto=$3
ip=$4
port=$5
out=$6
#
# Default mode is to inherit from global's policy
#
[ "$mypolicy" = "use_global" ] && return 0
tcp_opts=""
[ "$proto" = "tcp" ] && tcp_opts="flags S keep state keep frags"
#
# Allow all if policy is 'none'
#
if [ "$mypolicy" = "none" ]; then
echo "pass in log quick proto ${proto} from any to ${ip}" \
"port = ${port} ${tcp_opts}" >>${out}
return 0
fi
#
# For now, let's concern only with incoming traffic.
#
[ "$mypolicy" = "deny" ] && { ecmd="pass"; acmd="block"; }
[ "$mypolicy" = "allow" ] && { ecmd="block"; acmd="pass"; }
for name in `get_exceptions $service`; do
[ -z "$name" -o "$name" = '""' ] && continue
ifc=`get_interface $name`
if [ $? -eq 0 -a -n "$ifc" ]; then
echo "${ecmd} in log quick on ${ifc} from any to" \
"${ip} port = ${port}" >>${out}
continue
fi
addr=`get_IP ${name}`
if [ $? -eq 0 -a -n "$addr" ]; then
echo "${ecmd} in log quick proto ${proto} from ${addr}" \
"to ${ip} port = ${port} ${tcp_opts}" >>${out}
fi
done
for name in `get_apply2_list $service`; do
[ -z "$name" -o "$name" = '""' ] && continue
ifc=`get_interface $name`
if [ $? -eq 0 -a -n "$ifc" ]; then
echo "${acmd} in log quick on ${ifc} from any to" \
"${ip} port = ${port}" >>${out}
continue
fi
addr=`get_IP ${name}`
if [ $? -eq 0 -a -n "$addr" ]; then
echo "${acmd} in log quick proto ${proto} from ${addr}" \
"to ${ip} port = ${port} ${tcp_opts}" >>${out}
fi
done
echo "${ecmd} in log quick proto ${proto} from any to ${ip}" \
"port = ${port} ${tcp_opts}" >>${out}
return 0
}
#
# Service has either IANA ports and proto or its own firewall method to
# generate the rules.
#
# - if service has a custom method, use it to populate its rules
# - if service has a firewall_config pg, use process_server_svc
#
# Argument - fmri
#
process_service()
{
#
# Don't process network/ipfilter
#
[ "$1" = "$IPF_FMRI" ] && return 0
service_check_state $1 $SMF_MAINT && return 1
method=`svcprop -p $FW_CONTEXT_PG/$METHOD_PROP $1 2>/dev/null | \
sed 's/\\\//g'`
if [ -n "$method" -a "$method" != '""' ]; then
( exec $method $1 >/dev/null )
else
svcprop -p $FW_CONFIG_PG $1 >/dev/null 2>&1 || return 1
process_server_svc $1 || return 1
fi
return 0
}
#
# Generate rules for protocol/port defined in firewall_config_default/open_ports
# property. These are non-service programs whose network resource info are
# defined as "{tcp | upd}:{PORT | PORT-PORT}". Essentially, these programs need
# some specific local ports to be opened. For example, BitTorrent clients need to
# have 6881-6889 opened.
#
process_nonsvc_progs()
{
out=$1
echo "# Non-service programs rules" >>${out}
progs=`svcprop -p ${FW_CONFIG_DEF_PG}/${OPEN_PORTS_PROP} \
$SMF_FMRI 2>/dev/null`
for prog in $progs; do
[ -z "$prog" -o "$prog" = '""' ] && continue
port=`tuple_get_port $prog`
[ $? -eq 1 -o -z "$port" ] && continue
proto=`tuple_get_proto $prog`
[ $? -eq 1 ] && continue
set -- $port
if [ $# -gt 1 ]; then
if [ -z "$proto" ]; then
echo "pass in log quick from any to any" \
"port ${1} >< ${2}" >>${out}
else
echo "pass in log quick proto ${proto} from any" \
"to any port ${1} >< ${2}" >>${out}
fi
else
if [ -z "$proto" ]; then
echo "pass in log quick from any to any" \
"port = ${1}" >>${out}
else
echo "pass in log quick proto ${proto} from any" \
"to any port = ${1}" >>${out}
fi
fi
done
return 0
}
#
# Generate a new /etc/ipf/ipf.conf. If firewall policy is 'none',
# ipf.conf is empty .
#
create_global_rules()
{
policy=`get_global_def_policy`
if [ "$policy" = "custom" ]; then
file=`svcprop -p ${FW_CONFIG_DEF_PG}/${CUSTOM_FILE_PROP} $SMF_FMRI`
[ -n "$file" ] && custom_set_symlink $file
return 0
fi
TEMP=`mktemp /var/run/ipf.conf.pid$$.XXXXXX`
process_nonsvc_progs $TEMP
echo "# Global Default rules" >>${TEMP}
if [ "$policy" != "none" ]; then
echo "pass out log quick all keep state" >>${TEMP}
fi
case "$policy" in
'none')
# No rules
replace_file ${IPFILCONF} ${TEMP}
return $?
;;
'deny')
ecmd="pass"
acmd="block"
;;
'allow')
ecmd="block"
acmd="pass"
;;
*)
return 1;
;;
esac
for name in `get_exceptions $SMF_FMRI`; do
[ -z "$name" -o "$name" = '""' ] && continue
ifc=`get_interface $name`
if [ $? -eq 0 -a -n "$ifc" ]; then
echo "${ecmd} in log quick on ${ifc} all" >>${TEMP}
continue
fi
addr=`get_IP ${name}`
if [ $? -eq 0 -a -n "$addr" ]; then
echo "${ecmd} in log quick from ${addr} to any" >>${TEMP}
fi
done
for name in `get_apply2_list $SMF_FMRI`; do
[ -z "$name" -o "$name" = '""' ] && continue
ifc=`get_interface $name`
if [ $? -eq 0 -a -n "$ifc" ]; then
echo "${acmd} in log quick on ${ifc} all" >>${TEMP}
continue
fi
addr=`get_IP ${name}`
if [ $? -eq 0 -a -n "$addr" ]; then
echo "${acmd} in log quick from ${addr} to any" >>${TEMP}
fi
done
if [ "$policy" = "allow" ]; then
#
# Allow DHCP traffic if running as a DHCP client
#
/sbin/netstrategy | grep dhcp >/dev/null 2>&1
if [ $? -eq 0 ]; then
echo "pass out log quick from any port = 68" \
"keep state" >>${TEMP}
echo "pass out log quick from any port = 546" \
"keep state" >>${TEMP}
echo "pass in log quick from any to any port = 68" >>${TEMP}
echo "pass in log quick from any to any port = 546" >>${TEMP}
fi
echo "block in log all" >>${TEMP}
fi
replace_file ${IPFILCONF} ${TEMP}
return $?
}
#
# Generate a new /etc/ipf/ipf_ovr.conf, the override system-wide policy. It's
# a simplified policy that doesn't support 'exceptions' entities.
#
# If firewall policy is "none", no rules are generated.
#
# Note that "pass" rules don't have "quick" as we don't want
# them to override services' block rules.
#
create_global_ovr_rules()
{
#
# Simply empty override file if global policy is 'custom'
#
if [ "`get_global_def_policy`" = "custom" ]; then
echo "# 'custom' global policy" >$IPFILOVRCONF
return 0
fi
#
# Get and process override policy
#
ovr_policy=`svcprop -p ${FW_CONFIG_OVR_PG}/${POLICY_PROP} $IPF_FMRI`
TEMP=`mktemp /var/run/ipf_ovr.conf.pid$$.XXXXXX`
[ "$ovr_policy" = "deny" ] && acmd="block in log quick"
[ "$ovr_policy" = "allow" ] && acmd="pass in log"
apply2_list=`svcprop -p $FW_CONFIG_OVR_PG/$APPLY2_PROP $IPF_FMRI`
for name in $apply2_list; do
[ -z "$name" -o "$name" = '""' ] && continue
ifc=`get_interface $name`
if [ $? -eq 0 -a -n "$ifc" ]; then
echo "${acmd} on ${ifc} all" >>${TEMP}
continue
fi
addr=`get_IP ${name}`
if [ $? -eq 0 -a -n "$addr" ]; then
echo "${acmd} from ${addr} to any" >>${TEMP}
fi
done
replace_file ${IPFILOVRCONF} ${TEMP}
return $?
}
#
# Service is put into maintenance state due to its invalid firewall
# definition and/or policy.
#
svc_mark_maintenance()
{
svcadm mark maintenance $1 >/dev/null 2>&1
date=`date`
echo "[ $date ${0}: $1 has invalid ipf configuration. ]"
echo "[ $date ${0}: placing $1 in maintenance. ]"
#
# Move service's rule files to another location since
# they're most likely invalid.
#
ipfile=`fmri_to_file $1 $IPF_SUFFIX`
[ -f "$ipfile" ] && mv $ipfile "$ipfile.bak"
natfile=`fmri_to_file $1 $NAT_SUFFIX`
[ -f "$natfile" ] && mv $natfile "$natfile.bak"
return 0
}
svc_is_server()
{
svcprop -p $FW_CONFIG_PG $1 >/dev/null 2>&1
}
#
# Create rules for enabled firewalling and client services.
# - obtain the list of enabled services and process them
# - save the list of rules file for later use
#
create_services_rules()
{
#
# Do nothing if global policy is 'custom'
#
global_policy=`get_global_def_policy`
[ "$global_policy" = "custom" ] && return 0
ipf_get_lock
#
# Get all enabled services
#
allsvcs=`svcprop -cf -p general/enabled -p general_ovr/enabled '*' \
2>/dev/null | sed -n 's,^\(svc:.*\)/:properties/.* true$,\1,p' | sort -u`
#
# Process enabled services
#
for s in $allsvcs; do
service_is_enabled $s || continue
process_service $s || continue
ipfile=`fmri_to_file $s $IPF_SUFFIX`
if [ -n "$ipfile" -a -r "$ipfile" ]; then
check_ipf_syntax $ipfile
if [ $? -ne 0 ]; then
svc_mark_maintenance $s
continue
fi
svc_is_server $s
if [ $? -eq 0 ]; then
check_ipf_rules $ipfile
if [ $? -ne 0 ]; then
svc_mark_maintenance $s
continue
fi
fi
CONF_FILES="$CONF_FILES $ipfile"
fi
natfile=`fmri_to_file $s $NAT_SUFFIX`
if [ -n "$natfile" -a -r "$natfile" ]; then
check_nat_syntax $natfile
if [ $? -ne 0 ]; then
svc_mark_maintenance $s
continue
fi
NAT_FILES="$NAT_FILES $natfile"
fi
done
ipf_remove_lock
return 0
}
#
# We update a services ipf ruleset in the following manners:
# - service is disabled, tear down its rules.
# - service is disable or refreshed(online), setup or update its rules.
#
service_update_rules()
{
#
# If ipfilter isn't online or global policy is 'custom',
# nothing should be done.
#
service_check_state $SMF_FMRI $SMF_ONLINE || return 0
[ "`get_global_def_policy`" = "custom" ] && return 0
svc=$1
ipfile=`fmri_to_file $svc $IPF_SUFFIX`
[ -z "$ipfile" ] && return 0
remove_rules $ipfile
natfile=`fmri_to_file $svc $NAT_SUFFIX`
[ -n "$natfile" ] && remove_nat_rules $natfile
#
# Don't go further if service is disabled or in maintenance.
#
service_is_enabled $svc || return 0
service_check_state $1 $SMF_MAINT && return 0
process_service $svc || return 1
if [ -f "$ipfile" ]; then
check_ipf_syntax $ipfile
if [ $? -ne 0 ]; then
svc_mark_maintenance $svc
return 1
fi
fi
if [ -f "$natfile" ]; then
check_nat_syntax $natfile
if [ $? -ne 0 ]; then
svc_mark_maintenance $svc
return 1
fi
fi
if [ -f "$ipfile" ]; then
svc_is_server $svc
if [ $? -eq 0 ]; then
update_check_ipf_rules $ipfile
if [ $? -ne 0 ]; then
svc_mark_maintenance $svc
return 1
fi
fi
prepend_new_rules $ipfile
#
# reload Global Override rules to
# maintain correct ordering.
#
remove_rules $IPFILOVRCONF
prepend_new_rules $IPFILOVRCONF
fi
[ -f "$natfile" ] && append_new_nat_rules $natfile
return 0
}
#
# Call the service_update_rules with appropriate svc fmri.
#
# This is called from '/lib/svc/method/ipfilter fw_update' whenever
# a service is disabled/enabled/refreshed.
#
service_update()
{
svc=$1
ret=0
ipf_get_lock
service_update_rules $svc || ret=1
ipf_remove_lock
return $ret
}