install
url --url ftp://172.31.253.1/pub/rhel-4-desktop-i386
lang en_US.UTF-8
langsupport --default=en_US.UTF-8 en_US.UTF-8
keyboard us
#skipx
xconfig
text
network --device eth0 --bootproto static --ip=172.31.254.139 --netmask=255.255.255.0 --gateway=172.31.254.2 --nameserver 172.31.254.129 --hostname=guinea-pig.dahyabhai.net
rootpw canal
firewall --disabled
selinux --permissive
authconfig --enableshadow --enablemd5
timezone America/New_York
bootloader --location=mbr --append="rhgb"
zerombr yes
clearpart --all
autopart

# REMOVE THIS
firstboot --disable

%packages
@ admin-tools
@ base-x
@ editors
@ gnome-desktop
@ graphical-internet
@ graphics
@ office
@ printing
@ sound-and-video
@ system-tools
@ text-internet
kernel
samba-common
e2fsprogs
grub

%post
# The Windows domain name.  We'll probe for the rest of the settings shortly.
domain=dahyabhai.net

serverfor() {
	service=$1
	type=${2:-srv}
	host -v ${type:+-t $type} "$service.$domain" $dns | grep ^"$service.$domain" | \
	awk '{print $NF}' | head -n1 | sed -e 's,\.$,,'
}
upcase() {
	echo "$@" | tr '[[:lower:]]' '[[:upper:]]'
}
initial() {
	echo "$@" | cut -f1 -d.
}

# Find the address of the Kerberos KDC.
krb5kdc=$(serverfor _kerberos._udp)
# The krb5 realm name is the same as the domain name.
krb5realm=$(upcase $domain)
# Derive the workgroup name.
smbworkgroup=$(upcase $(initial $domain))
# Assume that _msdcs points to Microsoft domain controllers.
smbservers=$(serverfor _msdcs ns)
# We're in ADS mode.
smbsecurity=ads
# Yeah, we knew this one.
smbrealm=$(upcase $domain)

# Set up the configuration files.
/usr/sbin/authconfig --nostart --kickstart \
	--enablekrb5 \
	${krb5kdc:+--krb5kdc=$krb5kdc} \
	${krb5realm:+--krb5realm=$krb5realm} \
	--enablekrb5kdcdns \
	--enablekrb5realmdns \
	--enablewinbind \
	${smbworkgroup:+--smbworkgroup=$smbworkgroup} \
	${smbservers:+--smbservers=$smbservers} \
	${smbrealm:+--smbrealm=$smbrealm} \
	--winbindtemplateshell=/bin/bash \
	--enablewinbindusedefaultdomain
# Set the hostname.  The installation doesn't actually set the current hostname,
# and we need it to have the right value for "net join" to work properly.
hostname guinea-pig.dahyabhai.net
# Join the domain.
/usr/bin/net join -U admin%random

# Set the system up to automatically create home directories for domain users.
# The rest of the file is boilerplate.

cat > /root/mkhomedir << "EOF"
#!/bin/bash -e
#
#   Create home directories for specified users who have UIDs above a certain
#   value.  The default value is 500, as set in "/etc/login.defs".  Either
#   pass a list of user names in on the command line, or run with "--all" to
#   create home directories for all known users.
#
#

if test $# -lt 1 ; then
	echo Usage: `basename $0` '[ -m 500 ] [ --minimum-uid=500 ] [ user ... | "-a" | "--all" ]'
	exit 1
fi

minuid=`grep '^UID_MIN[ 	]' /etc/login.defs | awk '{print $NF}'`
minuid=${minuid:-500}
users=
all=false
testmode=false
while test -n "$1" ; do
	case "$1" in
	-a|--all)		all=true;;
	-m[0-9]*)		minuid=`echo $1 | cut -c3-`;;
	--minimum-uid=[0-9]*)	minuid=`echo $1 | cut -f2 -d=`;;
	-m|--minimum-uid)	shift; minuid=$1;;
	-t|--test)		testmode=true;;
	*)			users="$users $1";;
	esac
	shift
done

mkonehomedir() {
	if ! test -d "$homedir" ; then
		echo "$user"
		if $testmode ; then
			continue
		fi
		if mkdir -pm700 "$homedir" ; then
			if pushd /etc/skel > /dev/null ; then
				find . | sort -r | cpio --quiet -pmd "$homedir"
				popd > /dev/null
			fi
			chown -R "$uid":"$gid" "$homedir"
			chmod 700 "$homedir"
			find "$homedir" -print0 | xargs -0 -r -n1 restorecon
			groupwrite=false
			if test "$uid" -eq "$gid" ; then
				if test `id -un "$user"` = `id -gn "$user"` ; then
					groupwrite=true
				fi
			fi
			if $groupwrite ; then
				chmod 775 "$homedir"
			else
				chmod 755 "$homedir"
			fi
			# Hey, why not?
			if test -d /etc/mkhomedir.d ; then
				for script in /etc/mkhomedir.d/* ; do
					if test -x $script ; then
						$script "$user" "$homedir"
					fi
				done
			fi
		fi
	fi
}
mkhomedir() {
	oldIFS="$IFS"
	IFS=:
	while read user passwd uid gid gecos homedir shell ; do
		if test "$uid" -ge "$minuid" ; then
			if ! echo "$user" | egrep -q '(_|\$$)' ; then
				mkonehomedir
			fi
		fi
	done
	IFS="$oldIFS"
}

if $all ; then
	getent passwd | grep -v '^+' | sed -e 's,\\,\\\\,g' | mkhomedir
else
	getent passwd $users | sed -e 's,\\,\\\\,g' | mkhomedir
fi
EOF

cat > /etc/cron.daily/call-mkhomedir << "EOF"
#!/bin/bash
/root/mkhomedir -a
EOF

chmod +x /root/mkhomedir /etc/cron.daily/call-mkhomedir
ln -s /etc/cron.daily/call-mkhomedir /etc/rc.d/rc3.d/S99mkhomedir
ln -s /etc/cron.daily/call-mkhomedir /etc/rc.d/rc5.d/S99mkhomedir