- GNU/Linux is gone.

[projects/rc-scripts.git] / rc.d / init.d / functions.network

#
# $Id: functions.network,v 1.68 2002/02/03 16:14:32 adasi Exp $
# 
# This is not a shell script; it provides functions to network scripts
# that source it.

# This will work only after starting interface to which LDAP server is connected
find_ldap_interfaces()
{
typeset BSWITH QUERY
is_no "$USE_LDAP" && return 0

if [ -n "$LDAP_BASE_DN" ] ; then
	BSWITCH="-b$LDAP_BASE_DN" 
else
	BSWITH=""
fi

QUERY="(&(objectclass=pldinterface)(if_onboot=yes))"
ldapsearch "$BSWITCH" "$QUERY" if_device | \
	awk ' (/^if_device=/) { gsub(/^if_device=/,NIL); print $0; } '
}

# find aliases for device
find_ldap_aliases()
{
typeset BSWITH QUERY
is_no "$USE_LDAP" && return 0

if [ -n "$LDAP_BASE_DN" ] ; then
	BSWITCH="-b$LDAP_BASE_DN" 
else
	BSWITH=""
fi

QUERY="(&(objectclass=pldinterface)(if_onboot=yes)(if_device~=$1:*))"
ldapsearch "$BSWITCH" "$QUERY" if_device | \
	grep "^if_device=" | awk ' { gsub(/^if_device=/,NIL); print $0; } '
}

get_ldap_config ()
{
typeset BSWITH QUERY IPV6_ADDR IPADDR_ALIASES FIELD VALUE VAR
is_no "$USE_LDAP" && return 0

# Initialise fields which  can have multiple values:
IPV6_ADDR=""
IPADDR_ALIASES=""

QUERY="(&(objectclass=pldinterface)(if_device=$1))"
if [ -n "$LDAP_BASE_DN" ] ; then
	BSWITCH="-b$LDAP_BASE_DN" 
else
	BSWITH=""
fi

ldapsearch "$BSWITCH" "$QUERY" | awk ' (/=/) { gsub(/=/," "); print $0; } ' | {
	while read FIELD VALUE ; do
		# Field, which have name compatible with other 
		# LDAP object
		if [ "$FIELD" = "iphostnumber" ] ; then
			VAR="IPADDR";
		else # Other fields
			VAR=$(echo "$FIELD" | awk '(/^if_/) { data=toupper($0); gsub(/IF_/,NIL,data); print data; }')
		fi
		# Fields which can have multiple values:
		if   [ "$VAR" = "IPV6_ADDR" \
		    -o "$VAR" = "IPADDR_ALIASES" ]  && \
		     [ -n "`eval echo \$$VAR`" ] ; then
			echo "$VAR=\"\$$VAR $VALUE\"" ;

		# single value fields, or the first value
		elif [ -n "$VAR" ] ; then
			eval "$VAR=\"$VALUE\""
			echo "$VAR=\"$VALUE\""
		fi
	done
}
}

source_config ()
{
DEVNAME=$(basename "$CONFIG" | awk ' { gsub(/^ifcfg-/,NIL); print $0; } ')
        
if echo "$CONFIG"|egrep "^/" >/dev/null 2>&1 ; then
	if [ -f "$CONFIG" ] ; then
		. "$CONFIG"
	fi
elif [ -f "/etc/sysconfig/interfaces/$CONFIG" ] ; then
	. "/etc/sysconfig/interfaces/$CONFIG"
elif is_yes "$USE_LDAP"; then
	eval `get_ldap_config $DEVNAME`
fi
if [ -n "${PREFIX}" ] && ! $(echo $IPADDR | grep "/" 2>&1 >/dev/null) ; then
	IPADDR="$IPADDR/$PREFIX"
fi
}

do_netreport ()
{
# Notify programs that have requested notification
( cd /var/run/netreport || exit
for i in * ; do
	[ -f $i ] && \
		kill -SIGIO $i >/dev/null 2>&1 || \
		rm -f $i >/dev/null 2>&1
done
)
}

need_hostname()
{
if [ "`hostname`" = "(none)" -o "`hostname`" = "localhost" -o \
	"`hostname`" = "localhost.localdomain" ]; then
	NEEDHOSTNAME=yes
else
	unset NEEDHOSTNAME
fi
}

set_hostname()
{
typeset hostname domain
hostname=$(echo $1 | awk ' { gsub(/\..*$/,NIL); print $0; } ')
domain=$(echo $1 | awk ' { sub(/^[^\.]*\./,NIL); print $0; } ')

if [ -n "$hostname" ] ; then
	echo "$hostname" > /etc/HOSTNAME
	hostname $hostname
fi	

if [ -n "$domain" ] ; then
	>/etc/resolv.conf.new
	if ! grep -q "search $domain" /etc/resolv.conf ; then
		echo "search $domain" >> /etc/resolv.conf.new
	fi
	echo "domain $domain" >> /etc/resolv.conf.new
	grep -v "^domain " /etc/resolv.conf >> /etc/resolv.conf.new
	mv -f /etc/resolv.conf.new /etc/resolv.conf
fi
}

# PLD GNU/Linux network functions