etc/rc.d/nisdomain

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 1993 - 2003 The FreeBSD Project. All rights reserved.
   4 #
   5 # Redistribution and use in source and binary forms, with or without
   6 # modification, are permitted provided that the following conditions
   7 # are met:
   8 # 1. Redistributions of source code must retain the above copyright
   9 #    notice, this list of conditions and the following disclaimer.
  10 # 2. Redistributions in binary form must reproduce the above copyright
  11 #    notice, this list of conditions and the following disclaimer in the
  12 #    documentation and/or other materials provided with the distribution.
  13 #
  14 # THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  15 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17 # ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  18 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24 # SUCH DAMAGE.
  25 #
  26 # $FreeBSD: src/etc/rc.d/nisdomain,v 1.1 2003/04/18 17:51:54 mtm Exp $
  27 # $DragonFly: src/etc/rc.d/nisdomain,v 1.3 2004/01/27 00:42:45 rob Exp $
  28 #
  29
  30 # PROVIDE: nisdomain
  31 # REQUIRE: SERVERS rpcbind
  32 # BEFORE:  ypbind ypserv ypxfrd
  33 # KEYWORD: DragonFly
  34
  35 . /etc/rc.subr
  36
  37 name="nisdomain"
  38 start_cmd="nisdomain_start"
  39 stop_cmd=":"
  40
  41 convert_host_conf()
  42 {
  43         host_conf=$1; shift;
  44         nsswitch_conf=$1; shift;
  45         awk '                                                                   \
  46                 /^[:blank:]*#/       { next }                                       \
  47                 /(hosts|local|file)/ { nsswitch[c] = "files"; c++; next }           \
  48                 /(dns|bind)/         { nsswitch[c] = "dns";   c++; next }           \
  49                 /nis/                { nsswitch[c] = "nis";   c++; next }           \
  50                 { printf "Warning: unrecognized line [%s]", $0 > "/dev/stderr" }    \
  51                 END {                                                               \
  52                 printf "hosts: ";                                           \
  53                 for (i in nsswitch) printf "%s ", nsswitch[i];              \
  54                         printf "\n";                                                \
  55                 }' < $host_conf > $nsswitch_conf
  56 }
  57
  58 generate_host_conf()
  59 {
  60         nsswitch_conf=$1; shift;
  61         host_conf=$1; shift;
  62
  63         awk '
  64         BEGIN {
  65                 xlat["files"] = "hosts";
  66                 xlat["dns"] = "bind";
  67                 xlat["nis"] = "nis";
  68         cont = 0;
  69         }
  70         sub(/^[\t ]*hosts:/, "") || cont {
  71                 if (!cont)
  72                 srcs = ""
  73                 sub(/#.*/, "")
  74                 gsub(/[][]/, " & ")
  75                 cont = sub(/\\$/, "")
  76                 srcs = srcs " " $0
  77         }
  78         END {
  79                 print "# Auto-generated from nsswitch.conf, do not edit"
  80                 ns = split(srcs, s)
  81                 for (n = 1; n <= ns; ++n) {
  82                 if (s[n] in xlat)
  83                 print xlat[s[n]]
  84         }
  85 }
  86 ' <$nsswitch_conf >$host_conf
  87 }
  88
  89 nisdomain_start()
  90 {
  91         # Generate host.conf for compatibility
  92         #
  93         if [ -f "/etc/nsswitch.conf" ]; then
  94                 echo 'Generating host.conf.'
  95                 generate_host_conf /etc/nsswitch.conf /etc/host.conf
  96         fi
  97
  98         # Convert host.conf to nsswitch.conf if necessary
  99         #
 100         if [ -f "/etc/host.conf" -a ! -f "/etc/nsswitch.conf" ]; then
 101                 echo ''
 102                 echo 'Warning: /etc/host.conf is no longer used'
 103                 echo '  /etc/nsswitch.conf will be created for you'
 104                 convert_host_conf /etc/host.conf /etc/nsswitch.conf
 105         fi
 106
 107         # Set the domainname if we're using NIS
 108         #
 109         case ${nisdomainname} in
 110         [Nn][Oo]|'')
 111                 ;;
 112         *)
 113                 domainname ${nisdomainname}
 114                 echo "Setting NIS domain: `/bin/domainname`."
 115                 ;;
 116         esac
 117 }
 118
 119 load_rc_config $name
 120 run_rc_command "$1"