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      1 # Setup chroot jail for NeXT, NEXTSTEP3.
      2 # Some remarks to the NEXTSTEP3 jail apply:
      3 # syslog:
      4 #   Logging with syslog(3) uses a sendto ("/dev/log").  For this to work in
      5 #   the jail, ${POSTFIX_DIR}/dev/log must be a hard link to /dev/log.  This
      6 #   fails if /usr/spool/postfix is on another filesystem, and consequently,
      7 #   running chrooted will not be possible, unless you like to run your mail
      8 #   system without logging (not).
      9 #
     10 #   For this trick to work, the following should be run at every reboot,
     11 #   preferably from /etc/rc, after syslog has been started (and given time
     12 #   to create /dev/log):
     13 #       POSTFIX_DIR=/usr/spool/postfix
     14 #       rm ${POSTFIX_DIR}/dev/log
     15 #       ln /dev/log ${POSTFIX_DIR}/dev/log
     16 
     17 set -e
     18 
     19 umask 022
     20 
     21 POSTFIX_DIR=${POSTFIX_DIR-/usr/spool/postfix}
     22 
     23 cd ${POSTFIX_DIR}
     24 
     25 # If this fails, running chrooted will be useless.
     26 mkdir dev
     27 ln /dev/log dev
     28 
     29 mkdir etc etc/zoneinfo
     30 cp /etc/zoneinfo/localtime etc/zoneinfo
     31 cp /etc/resolv.conf etc
     32