usr/src/lib/libresolv2/dns-install

   1 #!/sbin/sh
   2 #
   3 # CDDL HEADER START
   4 #
   5 # The contents of this file are subject to the terms of the
   6 # Common Development and Distribution License (the "License").
   7 # You may not use this file except in compliance with the License.
   8 #
   9 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10 # or http://www.opensolaris.org/os/licensing.
  11 # See the License for the specific language governing permissions
  12 # and limitations under the License.
  13 #
  14 # When distributing Covered Code, include this CDDL HEADER in each
  15 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16 # If applicable, add the following below this CDDL HEADER, with the
  17 # fields enclosed by brackets "[]" replaced with your own identifying
  18 # information: Portions Copyright [yyyy] [name of copyright owner]
  19 #
  20 # CDDL HEADER END
  21 #
  22 #
  23 # Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
  24 #
  25
  26 #
  27 # Install DNS client service
  28 #
  29
  30 . /lib/svc/share/smf_include.sh
  31 . /lib/svc/share/net_include.sh
  32
  33 SVCCFG=/usr/sbin/svccfg
  34 SVCPROP=/usr/bin/svcprop
  35 SVCADM=/usr/sbin/svcadm
  36
  37 DNS_NWAM_FMRI="svc:/network/physical:nwam"
  38 DNS_INSTALL_FMRI=$SMF_FMRI
  39
  40 DNS_INSTALL_PG="install_props"
  41
  42 DNS_UNDEFINED_STRING_PROP="\"\""
  43
  44 dns_install_debug=0
  45
  46 unset dns_install_domain dns_install_servers dns_install_search
  47
  48 dns_process_install_pg()
  49 {
  50         dns_install_domain=""
  51         dns_install_servers=""
  52         dns_install_search=""
  53         config=0
  54
  55         #
  56         # Retrieve the name server property values.
  57         #
  58         prop=`$SVCPROP -p $DNS_INSTALL_PG/nameserver $DNS_INSTALL_FMRI`
  59         if [ $? -eq 0 -a "$prop" != "$NET_INADDR_ANY" ]; then
  60                 dns_install_servers=$prop
  61                 config=1
  62         fi
  63
  64         #
  65         # Retrieve the name service domain.
  66         #
  67         prop=`$SVCPROP -p $DNS_INSTALL_PG/domain $DNS_INSTALL_FMRI`
  68         if [ $? -eq 0 -a "$prop" != "$DNS_UNDEFINED_STRING_PROP" ]; then
  69                 dns_install_domain=$prop
  70                 config=1
  71         fi
  72
  73         #
  74         # Retrieve the search list.
  75         #
  76         prop=`$SVCPROP -p $DNS_INSTALL_PG/search $DNS_INSTALL_FMRI`
  77         if [ $? -eq 0 -a "$prop" != "$DNS_UNDEFINED_STRING_PROP" ]; then
  78                 dns_install_search=$prop
  79                 config=1
  80         fi
  81
  82         [ $config -ne 0 ] || return $SMF_EXIT_OK
  83
  84         #
  85         # Create the resolv.conf file.
  86         #
  87         /usr/bin/touch /etc/resolv.conf.$$
  88         if [ $? -ne 0 ]; then
  89                 net_record_err "Error creating \"/etc/resolv.conf.$$\"" $?
  90                 return $SMF_EXIT_ERR_FATAL
  91         fi
  92
  93         for j in $dns_install_servers
  94         do
  95                 server=`echo $j | /usr/bin/sed s/\"//g`
  96                 echo "nameserver $server" >>/etc/resolv.conf.$$
  97         done
  98
  99         if [ "$dns_install_domain" != "" ]; then
 100                 echo "domain $dns_install_domain" >>/etc/resolv.conf.$$
 101         fi
 102
 103         if [ "$dns_install_search" != "" ]; then
 104                 list="search"
 105                 for j in $dns_install_search
 106                 do
 107                         domain=`echo $j | /usr/bin/sed s/\"//g`
 108                         list="$list $domain"
 109                 done
 110                 echo $list >>/etc/resolv.conf.$$
 111         fi
 112
 113         /usr/bin/mv /etc/resolv.conf.$$ /etc/resolv.conf
 114         if [ $? -ne 0 ]; then
 115                 err=$?
 116                 msg="Error moving /etc/resolv.conf.$$ to \"/etc/resolv.conf\""
 117                 net_record_err "$msg" $err
 118                 return $SMF_EXIT_ERR_FATAL
 119         fi
 120
 121         /usr/bin/chmod 644 /etc/resolv.conf
 122         if [ $? -ne 0 ]; then
 123                 err=$?
 124                 msg="Error setting permissions on \"/etc/resolv.conf\""
 125                 net_record_err "$msg" $err
 126                 return $SMF_EXIT_ERR_FATAL
 127         fi
 128
 129         #
 130         # Create the nsswitch.conf file
 131         #
 132         /usr/bin/cp -f /etc/nsswitch.dns /etc/nsswitch.conf
 133         if [ $? -ne 0 ]; then
 134                 err=$?
 135                 msg="Error copying /etc/nsswitch.dns to \"/etc/nsswitch.conf\""
 136                 net_record_err "$msg" $err
 137                 return $SMF_EXIT_ERR_FATAL
 138         fi
 139
 140         /usr/bin/chmod 644 /etc/nsswitch.conf
 141         if [ $? -ne 0 ]; then
 142                 err=$?
 143                 msg="Error setting permissions on \"/etc/nsswitch.conf\""
 144                 net_record_err "$msg" $err
 145                 return $SMF_EXIT_ERR_FATAL
 146         fi
 147
 148         return $SMF_EXIT_OK
 149 }
 150
 151 dns_process_install()
 152 {
 153         vout=`$SVCCFG -s $DNS_INSTALL_FMRI validate 2>&1`
 154         if [ "$vout" != "" ]; then
 155                 msg="Validation errors in $DNS_INSTALL_FMRI:\n$vout"
 156                 net_record_err "$msg" 0
 157                 return $SMF_EXIT_ERR_CONFIG
 158         fi
 159
 160         ecode=$SMF_EXIT_OK
 161         errs=0
 162         cnt=0
 163         pg=`$SVCPROP -p $DNS_INSTALL_PG $DNS_INSTALL_FMRI`
 164         if [ $? -eq 0 ]; then
 165                 if service_is_enabled $DNS_NWAM_FMRI; then
 166                         echo "NWAM enabled. Install static" \
 167                             "DNS configuration ignored." | smf_console
 168                         errs=`expr $errs +  1`
 169                         ecode=$SMF_EXIT_ERR_CONFIG
 170                 else
 171                         dns_process_install_pg
 172                         if [ $? -ne $SMF_EXIT_OK ]; then
 173                                 ecode=$?
 174                                 errs=`expr $errs +  1`
 175                         else
 176                                 cnt=`expr $cnt +  1`
 177                         fi
 178
 179                 fi
 180                 $SVCCFG -s $DNS_INSTALL_FMRI delpg $DNS_INSTALL_PG
 181                 $SVCCFG -s $DNS_INSTALL_FMRI refresh
 182         fi
 183
 184         if [ $dns_install_debug -eq 1 ]; then
 185                 if [ $errs -ne 0 ]; then
 186                         echo "$errs errors encountered" \
 187                             "configuring DNS on behalf of install"
 188                 fi
 189
 190                 if [ $cntf -ne 0 ]; then
 191                         echo "DNS configured on behalf of install"
 192                 fi
 193         fi
 194
 195         return $ecode
 196 }
 197
 198 #
 199 # Script execution starts here.
 200 #
 201 dns_process_install || exit $?
 202
 203 $SVCADM disable $DNS_INSTALL_FMRI
 204 exit $SMF_EXIT_OK