1#!/bin/sh
2
3umask 022
4PATH=/usr/bin:/sbin:/usr/sbin
5
6# Create chroot'd area under Solaris 2.5.1 for postfix.
7#
8# Dug Song <dugsong@UMICH.EDU>
9
10if [ $# -ne 1 ]; then
11  echo "Usage: `basename $0` <directory>, e.g.: /var/spool/postfix" ; exit 1
12fi
13
14CHROOT=$1
15  
16# If CHROOT does not exist but parent does, create CHROOT
17if [ ! -d ${CHROOT} ]; then
18  # lack of -p below is intentional
19  mkdir ${CHROOT}
20fi
21if [ ! -d ${CHROOT} -o "${CHROOT}" = "/" -o "${CHROOT}" = "/usr" ]; then
22  echo "$0: bad chroot directory ${CHROOT}"
23  exit 2
24fi
25for dir in etc/default etc/inet dev usr/lib usr/share/lib/zoneinfo ; do
26  if [ ! -d ${CHROOT}/${dir} ]; then mkdir -p ${CHROOT}/${dir} ; fi
27done
28#chmod -R 755 ${CHROOT}
29
30# AFS support.
31if [ "`echo $CHROOT | cut -c1-4`" = "/afs" ]; then
32  echo '\tCreating memory resident /dev...'
33  mount -F tmpfs -o size=10 swap ${CHROOT}/dev
34fi
35
36# Setup /etc files.
37cp /etc/nsswitch.conf ${CHROOT}/etc
38cp /etc/netconfig /etc/resolv.conf ${CHROOT}/etc
39cp /etc/default/init ${CHROOT}/etc/default
40cp /etc/inet/services ${CHROOT}/etc/inet/services
41ln -s /etc/inet/services ${CHROOT}/etc/services
42find ${CHROOT}/etc -type f -exec chmod 444 {} \;
43
44# Most of the following are needed for basic operation, except
45# for libnsl.so, nss_nis.so, libsocket.so, and straddr.so which are
46# needed to resolve NIS names.
47cp /usr/lib/ld.so /usr/lib/ld.so.1 ${CHROOT}/usr/lib
48for lib in libc libdl libintl libmp libnsl libsocket libw \
49    nss_nis nss_nisplus nss_dns nss_files; do
50  cp /usr/lib/${lib}.so.1 ${CHROOT}/usr/lib
51  rm -f ${CHROOT}/usr/lib/${lib}.so
52  ln -s ./${lib}.so.1 ${CHROOT}/usr/lib/${lib}.so
53done
54cp /usr/lib/straddr.so.2 ${CHROOT}/usr/lib
55rm -f ${CHROOT}/usr/lib/straddr.so
56ln -s ./straddr.so.2 ${CHROOT}/usr/lib/straddr.so
57chmod 555 ${CHROOT}/usr/lib/*
58
59# Copy timezone database.
60(cd ${CHROOT}/usr/share/lib/zoneinfo
61  (cd /usr/share/lib/zoneinfo; find . -print | cpio -o) | cpio -imdu
62  find . -print | xargs chmod 555
63)
64
65# Make device nodes. We need ticotsord, ticlts and udp to resolve NIS names.
66for device in zero tcp udp ticotsord ticlts; do
67  line=`ls -lL /dev/${device} | sed -e 's/,//'`
68  major=`echo $line | awk '{print $5}'`
69  minor=`echo $line | awk '{print $6}'`
70  rm -f ${CHROOT}/dev/${device}
71  mknod ${CHROOT}/dev/${device} c ${major} ${minor}
72done
73chmod 666 ${CHROOT}/dev/*
74
75exit 0
76