packaging/Debian/debian-unstable/samba-common.dhcp

   1 #!/bin/sh
   2
   3 SAMBA_DHCP_CONF=/etc/samba/dhcp.conf
   4 SAMBA_DHCP_CONF_INFO_FILE=""
   5
   6 netbios_setup() {
   7         # No need to continue if we're called with an unsupported option
   8
   9         if [ "$reason" != BOUND ] && [ "$reason" != RENEW ] \
  10            && [ "$reason" != REBIND ] && [ "$reason" != REBOOT ] \
  11            && [ "$reason" != EXPIRE ] && [ "$reason" != FAIL ]
  12         then
  13                 return
  14         fi
  15
  16         # Nor should we continue if no settings have changed
  17         if [ "$new_netbios_name_servers" = "$old_netbios_name_servers" ] \
  18            && [ "$new_netbios_scope" = "$old_netbios_scope" ] \
  19            && [ -f $SAMBA_DHCP_CONF ]
  20         then
  21                 return
  22         fi
  23
  24         # reparse our own file
  25         local other_servers=`sed -n -e"s/[[:space:]]$interface:[^[:space:]]*//g; \
  26                 s/^[[:space:]]*wins server[[:space:]]*=[[:space:]]*//pi" \
  27                 $SAMBA_DHCP_CONF`
  28
  29         umask 022
  30
  31         local serverlist="$other_servers"
  32         for server in $new_netbios_name_servers
  33         do
  34                 serverlist="$serverlist $interface:$server"
  35         done
  36
  37         echo -n > $SAMBA_DHCP_CONF
  38         test -n "$SAMBA_DHCP_CONF_INFO_FILE" -a -f "$SAMBA_DHCP_CONF_INFO_FILE" && \
  39                 cat "$SAMBA_DHCP_CONF_INFO_FILE" >> $SAMBA_DHCP_CONF
  40
  41         # If we're updating on failure/expire, AND there are no WINS
  42         # servers for other interfaces, leave the file empty.
  43         if [ -z "$other_servers" ]
  44         then
  45                 if [ "$reason" = FAIL ] || [ "$reason" = EXPIRE ]
  46                 then
  47                         return
  48                 fi
  49         fi
  50
  51         if [ -n "$serverlist" ]
  52         then
  53                 echo "   wins server =$serverlist" >> $SAMBA_DHCP_CONF
  54         fi
  55         if [ -n "$new_netbios_scope" ]
  56         then
  57                 echo "   netbios scope = $new_netbios_scope" >> $SAMBA_DHCP_CONF
  58         fi
  59 }
  60
  61 # Only call netbios_setup if we're not sourced.
  62 case "$0" in
  63         *bin/sh|*bin/bash) : ;;
  64         *) netbios_setup ;;
  65 esac