external/ibm-public/postfix/dist/examples/chroot-setup/Solaris2

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