xref: /illumos-gate/usr/src/cmd/svc/milestone/net-loc (revision bbf21555)

#!/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 (c) 2010, Oracle and/or its affiliates. All rights reserved.
#

. /lib/svc/share/smf_include.sh
. /lib/svc/share/net_include.sh

# FMRI consts
AUTOFS_FMRI="svc:/system/filesystem/autofs"
DNS_CLIENT_FMRI="svc:/network/dns/client"
IPSEC_IKE_FMRI="svc:/network/ipsec/ike"
IPSEC_POLICY_FMRI="svc:/network/ipsec/policy"
IPFILTER_FMRI="svc:/network/ipfilter:default"
LDAP_CLIENT_FMRI="svc:/network/ldap/client"
LOCATION_FMRI="svc:/network/location:default"
MAPID_FMRI="svc:/network/nfs/mapid:default"
NIS_CLIENT_FMRI="svc:/network/nis/client"
NWAM_FMRI="svc:/network/physical:nwam"

# commands
CP=/usr/bin/cp
DHCPINFO=/sbin/dhcpinfo
DOMAINNAME=/usr/bin/domainname
GREP=/usr/bin/grep
LDAPCLIENT=/usr/sbin/ldapclient
MKDIR=/usr/bin/mkdir
MV=/usr/bin/mv
NAWK=/usr/bin/nawk
NWAMADM=/usr/sbin/nwamadm
NWAMCFG=/usr/sbin/nwamcfg
RM=/usr/bin/rm
SED=/usr/bin/sed
SVCADM=/usr/sbin/svcadm
SVCCFG=/usr/sbin/svccfg
SVCPROP=/usr/bin/svcprop
TOUCH=/usr/bin/touch

# Path to directories
ETC_DEFAULT_DOMAIN=/etc/defaultdomain
NIS_BIND_PATH=/var/yp/binding
LEGACY_LOC_PATH=/etc/nwam/loc/Legacy
USER_LOC_PATH=/etc/nwam/loc/User
SCRIPT_PATH=/etc/svc/volatile/nwam

#
# echoes DHCP controlled interfaces separated by commas
#
# Don't parse the output of ifconfig(8) because interfaces that haven't
# acquired a DHCP lease also have the DHCP flag set.
#
get_dhcp_interfaces () {
	#
	# 1. parse netstat(8) output for v4 interfaces in BOUND
	#    or INFORMATION state
	# 2. make a space-separated list of interface names
	#
	netstat -D -f inet | $NAWK '
	    $2 ~ /BOUND/ { printf "%s ", $1 }
	    $2 ~ /INFORMATION/ { printf "%s ", $1 }'
}

#
# get_dhcpinfo <code/identifier>
#
# echoes the value received through each interface controlled by DHCP;
# multiple values are echoed as a space-separated list
#
# returns:
#	0 => property is set
#	1 => property is not set
#
get_dhcpinfo () {
	code=$1

	# Get all interfaces with DHCP control, IFS is " "
	interfaces=`get_dhcp_interfaces`

	info=""
 	for intf in $interfaces; do
		val=`$DHCPINFO -i $intf $code`
		if [ $? -eq 0 ]; then
			if [ "$info" = "" ]; then
				info="$val"
			else
				info="$info $val"
			fi
		fi
 	done
	echo $info
}

#
# set_smf_prop <fmri> <property name> <property value>
#
set_smf_prop () {
	$SVCCFG -s $1 setprop $2 = astring: "$3" && return
}

#
# refresh_svc <fmri>
#
# Refreshes the service.
#
refresh_svc () {
	$SVCADM refresh $1
}

#
# restart_svc <fmri>
#
# Restarts the service.
#
restart_svc () {
	$SVCADM restart $1
}

#
# start_svc <fmri>
#
# Starts the service.  If the service is already enabled, restarts it.  If
# it is not enabled, temporarily enables it.
#
start_svc () {
	if service_is_enabled $1; then
		$SVCADM restart $1
	else
		$SVCADM enable -t $1
	fi
}

#
# stop_svc <fmri>
#
# Temporarily disables the service.
#
stop_svc () {
	$SVCADM disable -t $1
}

#
# copy_default <dir> <file>
#
# Copies <dir>/<file>.dfl to <dir>/<file>
#
copy_default () {
	$CP -p $1/$2.dfl $1/$2
}

#
# do_dns <location>
#
# Installs DNS information on /etc/resolv.conf for location
#
# Returns 0 on success, 1 on failure
#
do_dns () {
	loc=$1
	file=/etc/resolv.conf

	# Write out to temporary file first
	$TOUCH $file.$$

	DNS_CONFIGSRC=`nwam_get_loc_list_prop $loc dns-nameservice-configsrc`
	if [ -z "$DNS_CONFIGSRC" ]; then
		echo "missing 'dns-nameservice-configsrc' property for '$loc'"
		return 1
	fi

	for configsrc in $DNS_CONFIGSRC; do
		case "$configsrc" in
		'manual')
			DNS_SERVERS=`nwam_get_loc_list_prop $loc \
			    dns-nameservice-servers`
			if [ -z "$DNS_SERVERS" ]; then
				echo "DNS nameserver not set for '$loc'"
				return 1
			fi
			DNS_DOMAIN=`nwam_get_loc_prop $loc \
			    dns-nameservice-domain`
			DNS_SEARCH=`nwam_get_loc_list_prop $loc \
			    dns-nameservice-search`
			;;
		'dhcp')
			DNS_SEARCH=`get_dhcpinfo DNSdmain`
			DNS_SERVERS=`get_dhcpinfo DNSserv`
			# Use first search list entry as default domain
			set -- $DNS_SEARCH
			DNS_DOMAIN=$1
			;;
		'*')
			echo "Unrecognized DNS configsrc ${configsrc}; ignoring"
			;;
		esac

		# Write DNS settings
		if [ -n "$DNS_DOMAIN" ]; then
			echo "$DNS_DOMAIN" | $NAWK \
			    '{ for (i = 1; i <= NF; i++) \
			    print "domain ", $i }' >> $file.$$
		fi
		if [ -n "$DNS_SEARCH" ]; then
			echo "$DNS_SEARCH" | $NAWK \
                            '{ printf("search"); \
			    for (i = 1; i <= NF; i++) printf(" %s", $i); \
			    printf("\n") }' >> $file.$$
		fi
		if [ -n "$DNS_SERVERS" ]; then
			echo "$DNS_SERVERS" | $NAWK \
			    '{ for (i = 1; i <= NF; i++) \
			    print "nameserver ", $i }' >> $file.$$
		fi
	done

	# Finally, copy our working version to the real thing
	$MV -f $file.$$ $file
	start_svc $DNS_CLIENT_FMRI

	return 0
}

#
# do_nis <location>
#
# Installs NIS information on /var/yp/binding/ for location
#
# Returns 0 on success, 1 on failure
#
do_nis () {
	loc=$1

	NIS_CONFIGSRC=`nwam_get_loc_list_prop $loc nis-nameservice-configsrc`
	if [ -z "$NIS_CONFIGSRC" ]; then
		echo "missing 'nis-nameservice-configsrc' property for '$loc'"
		return 1
	fi

	for configsrc in $NIS_CONFIGSRC; do
		case "$configsrc" in
		'manual')
			NIS_SERVERS=`nwam_get_loc_list_prop $loc \
			    nis-nameservice-servers`
			DEFAULT_DOMAIN=`nwam_get_loc_prop $loc default-domain`
			# user-specified default-domain always wins
			if [ -n "$DEFAULT_DOMAIN" ]; then
				$DOMAINNAME $DEFAULT_DOMAIN
				$DOMAINNAME > $ETC_DEFAULT_DOMAIN
			else
				echo "'domainname' not set for '$loc'"
				return 1
			fi
			;;
		'dhcp')
			# Use only the first name
			DEFAULT_DOMAIN=`get_dhcpinfo NISdmain | \
			    $NAWK '{ print $1 }'`
			NIS_SERVERS=`get_dhcpinfo NISservs`
			$DOMAINNAME $DEFAULT_DOMAIN
			$DOMAINNAME > $ETC_DEFAULT_DOMAIN
			;;
		'*')
			echo "Unrecognized NIS configsrc ${configsrc}; ignoring"
			;;
		esac

		# Place NIS settings in appropriate directory/file.
		if [ ! -d "$NIS_BIND_PATH/$DEFAULT_DOMAIN" ]; then
			$MKDIR -p $NIS_BIND_PATH/$DEFAULT_DOMAIN
		fi
		if [ -n "$NIS_SERVERS" ]; then
			echo "$NIS_SERVERS" | $NAWK \
			    '{ for (i = 1; i <= NF; i++) print $i }' \
			    > $NIS_BIND_PATH/$DEFAULT_DOMAIN/ypservers
		fi
	done

	start_svc $NIS_CLIENT_FMRI

	return 0
}

#
# do_ldap <location>
#
# Installs LDAP information using ldapclient(8) for location
#
# Returns 0 on success, 1 on failure
#
do_ldap () {
	loc=$1

	LDAP_CONFIGSRC=`nwam_get_loc_list_prop $loc ldap-nameservice-configsrc`
	if [ -z "$LDAP_CONFIGSRC" ]; then
		echo "missing 'ldap-nameservice-configsrc' property for '$loc'"
		return 1
	fi

	for configsrc in $LDAP_CONFIGSRC; do
		case "$configsrc" in
		'manual')
			LDAP_SERVERS=`nwam_get_loc_list_prop $loc \
			    ldap-nameservice-servers`
			DEFAULT_DOMAIN=`nwam_get_loc_prop $loc default-domain`
			if [ -z $LDAP_SERVERS -o -z $DEFAULT_DOMAIN ]; then
				echo "LDAP configuration could not be set "\
				    "for '$loc'"
				return 1
			fi
			$DOMAINNAME $DEFAULT_DOMAIN
			$DOMAINNAME > $ETC_DEFAULT_DOMAIN
			;;
		'*')
			echo "Invalid LDAP configsrc ${configsrc}; ignoring"
			;;
		esac

		# Use ldapclient(8) to initialize LDAP client settings.
		if [ -n "$DEFAULT_DOMAIN" -o -n "$LDAP_SERVERS" ]; then
			$LDAPCLIENT init -a domainName=$DEFAULT_DOMAIN \
			    $LDAP_SERVERS
		fi
	done

	start_svc $LDAP_CLIENT_FMRI

	return 0
}

#
# do_ns <location>
#
# Installs different nameservices for location
#
# Returns 0 on success, 1 on failure
#
do_ns () {
	loc=$1

	#
	# Disable nameservices temporarily while we reconfigure.  Copy
	# /etc/nsswitch.files to /etc/nsswitch.conf first so that only "files"
	# are used.
	#
	$CP -p /etc/nsswitch.files /etc/nsswitch.conf
	stop_svc $DNS_CLIENT_FMRI
	stop_svc $NIS_CLIENT_FMRI
	stop_svc $LDAP_CLIENT_FMRI

	#
	# Remove /etc/defaultdomain and unset domainname(8).  If NIS
	# and/or LDAP is configured, they will create /etc/defaultdomain
	# and set the domainname(8).
	#
	$RM -f $ETC_DEFAULT_DOMAIN
	$DOMAINNAME " "

	NAMESERVICES=`nwam_get_loc_list_prop $loc nameservices`
	if [ -z "$NAMESERVICES" ]; then
		echo "missing 'nameservices' property for location '$loc'"
		return 1
	fi

	NAMESERVICES_CONFIG_FILE=`nwam_get_loc_prop \
	    $loc nameservices-config-file`
	if [ -z "$NAMESERVICES_CONFIG_FILE" ]; then
		echo "missing 'nameservices-config-file' property for '$loc'"
		return 1
	fi
	$CP -p $NAMESERVICES_CONFIG_FILE /etc/nsswitch.conf

	for ns in $NAMESERVICES; do
		case "$ns" in
		'files')
			# no additional setup needed for files nameservice
			;;