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|
#!/bin/sh
#
# Join AD
# for uclibc systems
#
# Copyright (c) 2007 A.Poslavsky
# May be distributed under gpl2
# TODO:
# * suggest a domain name based on hostname -d? /etc/resolv.conf?
# * suggest DC server(s) based on
# $(dig _kerberos._tcp.dc._msdcs.$DOMAIN SRV +short)
VERSION=@VERSION@
PROGRAM=setup-ads
. $PREFIX/lib/libalpine.sh
KRBCONF="/etc/krb5.conf"
SMBCONF="/etc/samba/smb.conf"
DOMAINADMIN="Administrator"
PW=""
HOSTNAME=$(hostname)
FORCE=""
retcode=0
die() {
echo $* >&2
exit 1
}
ask_info() {
echo "Configuring kerberos"
echon "Enter your full Domain name in uppercase [$DOMAIN]: "
default_read DOMAIN $DOMAIN
echon "Enter your short Domain name (Workgroup) [$WORKGROUP]: "
default_read WORKGROUP $WORKGROUP
echon "Domain controller(s) (separate with space) [$DC]: "
default_read DC $DC
echon "Domain Administrator [$DOMAINADMIN]: "
default_read DOMAINADMIN $DOMAINADMIN
}
conf_krb() {
[ -f $KRBCONF ] && cp $KRBCONF $KRBCONF.bak ; [ "$VERBOSE" ] && echo "Making backup copy of $KRBCONF to $KRBCONF.bak"
echo "Writing $KRBCONF"
echo "[libdefaults]
default_realm = $DOMAIN
[realms]
$DOMAIN = {
$(for a in $DC
do
echo " kdc = $a"
done)
admin_server = $(echo $DC | sed "s/ .*//")
}
[login]
krb4_convert = true
krb4_get_tickets = true" > $KRBCONF
kinit $DOMAINADMIN@$DOMAIN || die "Sorry, could not authenticate against kerberos!"
}
join_ads() {
if [ -f $SMBCONF ] ; then
cp $SMBCONF $SMBCONF.bak
[ "$VERBOSE" ] && echo "Making backup copy of $SMBCONF to $SMBCONF.bak"
fi
echo "smb.conf witten by $PROGRAM
[global]
# Browsing/Identification
domain master = no
domain logons = no
preferred master = no
# Domain info
security = ADS
password server = $(echo $DC)
workgroup = $WORKGROUP
realm = $DOMAIN
netbios name = $HOSTNAME
server string = "Samba Server $HOSTNAME"
allow trusted domains = no
idmap backend = rid:$WORKGROUP=50000-100000000
winbind separator = -
winbind nested groups = Yes
winbind enum users = yes
winbind enum groups = yes
idmap uid = 50000-100000000
idmap gid = 50000-100000000
wins server = $(echo $DC)
guest account = nobody
[testshare]
comment = Secret data
writable = yes
path = /srv/Samba/Test
public = yes
" > $SMBCONF
[ "$VERBOSE" ] && echo "net ads join -W $DOMAIN -S $(echo $DC | sed "s/ .*//") -U $DOMAINADMIN"
net ads join -W $DOMAIN -S $(echo $DC | awk '{ print $1 }') -U $DOMAINADMIN\
|| echo "Sorry could not join $DOMAIN domain" && exit 1
}
check_exist() {
if [ -f "$SMBCONF" -o -f "$KRBCONF" ] ; then
[ ! "$FORCE" ] && die "Config file(s) already exist(s),
use -f to force overwriting of these file(s)"
fi
}
usage() {
echo "$PROGRAM $VERSION"
echo "usage: $PROGRAM [options] [args]
Options:
-h Show help for subcommand.
-q Quiet mode.
-v Verbose mode.
-K <kerberosconfigfile>
-S <sambaconfigfile>
-U <domain administrator>
-D <domain>
-P <password>
-f force overwrite of existing configfiles (will do backup)
"
exit 1
}
# parse common args
while getopts "D:fP:hvU:K:S:" opt ; do
case "$opt" in
h) usage
;;
P) PW="$OPTARG"
;;
v) VERBOSE="$VERBOSE -v"
;;
U) DOMAINADMIN="$OPTARG"
;;
K) KRBCONF="$OPTARG"
;;
S) SMBCONF="$OPTARG"
;;
D) DOMAIN="$OPTARG"
;;
f) FORCE="$FORCE -f"
;;
esac
done
shift `expr $OPTIND - 1`
apk add samba-ldap
check_exist
ask_info
conf_krb
join_ads
echo "kerberos initialized, domain joined"
exit $retcode
|
