debian/patches/11_dhcphostname.dpatch

   1 #! /bin/sh /usr/share/dpatch/dpatch-run
   2 ## 11_dhcphostname.dpatch by Andreas Thienemann <andreas@bawue.net>
   3 ## and Michael Prokop <mika@grml.org>
   4 ##
   5 ## All lines beginning with `## DP:' are a description of the patch.
   6 ## DP: Support disabling setting hostname via DNS info
   7
   8 @DPATCH@
   9
  10 Support 'nodhcphostname' option which will disable setting the
  11 hostname of the booted system according to the DNS information.
  12 This patch takes care of the netboot case.
  13
  14 diff --git a/scripts/live-bottom/23networking b/scripts/live-bottom/23networking
  15 index 9554b77..9270e9c 100755
  16 --- a/scripts/live-bottom/23networking
  17 +++ b/scripts/live-bottom/23networking
  18 @@ -135,6 +135,19 @@ ${rc_server1}
  19  EOF
  20
  21                         cat /root/etc/resolv.conf >> /root/var/log/netboot.config
  22 +
  23 +                       if [ -z "$NODHCPHOSTNAME" ]
  24 +                       then
  25 +                               dhcp_address=$(cat netboot.config | awk '/address:/{print $2}')
  26 +                               dhcp_hostname=$(busybox nslookup ${dhcp_address} ${rc_server0#nameserver }| awk \
  27 +                                       '/Address 1: '${dhcp_address}'/{ print $4 }')
  28 +
  29 +                               if [ -n "$dhcp_hostname" ]
  30 +                               then
  31 +                                       echo $dhcp_hostname > /root/etc/hostname
  32 +                               fi
  33 +                               unset dhcp_address dhcp_hostname dhcp_hostname
  34 +                       fi
  35                 fi
  36         fi
  37  fi
  38 --- a/scripts/live
  39 +++ b/scripts/live
  40 @@ -216,6 +216,11 @@ Arguments ()
  41                                 export NOACCESSIBILITY
  42                                 ;;
  43
  44 +                       nodhcphostname)
  45 +                               NODHCPHOSTNAME="Yes"
  46 +                               export NODHCPHOSTNAME
  47 +                               ;;
  48 +
  49                         nofastboot)
  50                                 NOFASTBOOT="Yes"
  51                                 export NOFASTBOOT
  52