etc/rc.d/named

   1 #!/bin/sh
   2 #
   3 # $NetBSD: named,v 1.10 2002/03/22 04:33:59 thorpej Exp $
   4 # $FreeBSD: src/etc/rc.d/named,v 1.6 2003/01/12 04:53:54 mtm Exp $
   5 # $DragonFly: src/etc/rc.d/named,v 1.1 2003/07/24 06:35:37 dillon Exp $
   6 #
   7
   8 # PROVIDE: named
   9 # REQUIRE: SERVERS
  10 # BEFORE:  DAEMON
  11 # KEYWORD: DragonFly FreeBSD NetBSD
  12
  13 . /etc/rc.subr
  14
  15 name="named"
  16 rcvar=`set_rcvar`
  17 command="/usr/sbin/${name}"
  18 start_precmd="named_precmd"
  19 required_dirs="$named_chrootdir"        # if it is set, it must exist
  20 extra_commands="reload"
  21
  22 case ${OSTYPE} in
  23 DragonFly)
  24         nuser=bind
  25         ngroup=bind
  26         ;;
  27 FreeBSD)
  28         nuser=bind
  29         ngroup=bind
  30         ;;
  31 NetBSD)
  32         nuser=named
  33         ngroup=named
  34         ;;
  35 esac
  36
  37 # If running in a chroot cage, ensure that the appropriate files
  38 # exist inside the cage, as well as helper symlinks into the cage
  39 # from outside.
  40 #
  41 # As this is called after the is_running and required_dir checks
  42 # are made in run_rc_command(), we can safely assume ${named_chrootdir}
  43 # exists and named isn't running at this point (unless forcestart
  44 # is used).
  45 #
  46 chroot_autoupdate()
  47 {
  48         # If the named-xfer in the system is newer than the one in the
  49         # chroot directory or if it (in the chrootdir) doesn't exist
  50         # copy it over
  51         #
  52         if [ ! -x "${named_chrootdir}/usr/libexec/named-xfer" -o \
  53             "${named_chrootdir}/usr/libexec/named-xfer" -ot \
  54             /usr/libexec/named-xfer ]; then
  55                 rm -f "${named_chrootdir}/usr/libexec/named-xfer"
  56                 cp -p /usr/libexec/named-xfer "${named_chrootdir}/usr/libexec"
  57         fi
  58
  59         # Copy /dev/null over, if neccessary. Preserve everything (perms,
  60         # ownership, mod times).
  61         #
  62         if [ ! -c "${named_chrootdir}/dev/null" ]; then
  63         rm -f "${named_chrootdir}/dev/null"
  64                 ( cd /dev ; /bin/pax -rw -pe null "${named_chrootdir}/dev" )
  65         fi
  66
  67         # Copy local timezone information if it's not up-to-date.
  68         #
  69         if [ -f /etc/localtime ]; then
  70                 cmp -s /etc/localtime "${named_chrootdir}/etc/localtime" || \
  71                 cp -p /etc/localtime "${named_chrootdir}/etc/localtime"
  72         fi
  73 }
  74
  75 # Make symlinks to the correct pid and ndc socket files
  76 #
  77 make_symlinks()
  78 {
  79         ln -fs "${named_chrootdir}${named_pidfile}" ${named_pidfile}
  80         ln -fs "${named_chrootdir}/var/run/ndc" /var/run/ndc
  81
  82 }
  83
  84 named_precmd()
  85 {
  86         case ${OSTYPE} in
  87         DragonFly)
  88                 ! checkyesno named_rcng && return 0
  89                 # Is the user using a sandbox?
  90                 if [ -z "$named_chrootdir" ]; then
  91                         rc_flags="-u $nuser -g $ngroup $rc_flags"
  92                         return 0
  93                 fi
  94                 # Do the following checks only if the user wants them done
  95                 checkyesno named_chroot_autoupdate && chroot_autoupdate
  96                 ;;
  97         FreeBSD)
  98                 ! checkyesno named_rcng && return 0
  99                 # Is the user using a sandbox?
 100                 if [ -z "$named_chrootdir" ]; then
 101                         rc_flags="-u $nuser -g $ngroup $rc_flags"
 102                         return 0
 103                 fi
 104
 105                 # Do the following checks only if the user wants them done
 106                 checkyesno named_chroot_autoupdate && chroot_autoupdate
 107                 ;;
 108         NetBSD)
 109                 chroot_autoupdate
 110                 ;;
 111         esac
 112
 113         case ${OSTYPE} in
 114         DragonFly)
 115                 # Make the symlinks only if the user wants them done.
 116                 checkyesno named_symlink_enable && make_symlinks
 117                 ;;
 118         FreeBSD)
 119                 # Make the symlinks only if the user wants them done.
 120                 checkyesno named_symlink_enable && make_symlinks
 121                 ;;
 122         NetBSD)
 123                 make_symlinks
 124                 ;;
 125         esac
 126
 127         #       Change run_rc_commands()'s internal copy of $named_flags
 128         #
 129         case ${OSTYPE} in
 130         DragonFly)
 131                 ! checkyesno named_rcng && return
 132                 ;;
 133         FreeBSD)
 134                 ! checkyesno named_rcng && return
 135                 ;;
 136         esac
 137         rc_flags="-u $nuser -g $ngroup -t ${named_chrootdir} $rc_flags"
 138 }
 139
 140 load_rc_config $name
 141 # The following variable requires that rc.conf be loaded first
 142 #
 143 required_dirs="$named_chrootdir"        # if it is set, it must exist
 144 pidfile="${named_pidfile:-/var/run/${name}/pid}"
 145
 146 run_rc_command "$1"