usr/src/cmd/ypcmd/yp.sh

   1 #!/bin/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) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
  24 # Copyright 2016 Hans Rosenfeld <rosenfeld@grumpf.hope-2000.org>
  25 #
  26
  27 . /lib/svc/share/smf_include.sh
  28 . /lib/svc/share/ipf_include.sh
  29
  30 YPDIR=/usr/lib/netsvc/yp
  31
  32 create_client_ipf_rules()
  33 {
  34         FMRI=$1
  35         file=`fmri_to_file $FMRI $IPF_SUFFIX`
  36         file6=`fmri_to_file $FMRI $IPF6_SUFFIX`
  37         iana_name=`svcprop -p $FW_CONTEXT_PG/name $FMRI`
  38         domain=`domainname`
  39         block_policy=$GLOBAL_BLOCK_POLICY
  40
  41         if [ "$block_policy" = "return" ]; then
  42                 block_policy_tcp="return-rst"
  43                 block_policy_udp="return-icmp-as-dest"
  44         fi
  45
  46         if [ -z "$domain" ]; then
  47                 return 0
  48         fi
  49
  50         if [ ! -d /var/yp/binding/$domain ]; then
  51                 return
  52         fi
  53         echo "# $FMRI" >$file
  54         echo "# $FMRI" >$file6
  55
  56         ypfile="/var/yp/binding/$domain/ypservers"
  57         if [ -f $ypfile ]; then
  58                 tports=`$SERVINFO -R -p -t -s $iana_name 2>/dev/null`
  59                 uports=`$SERVINFO -R -p -u -s $iana_name 2>/dev/null`
  60                 tports_6=`$SERVINFO -R -p -t6 -s $iana_name 2>/dev/null`
  61                 uports_6=`$SERVINFO -R -p -u6 -s $iana_name 2>/dev/null`
  62
  63                 server_addrs=""
  64                 server_addrs_6=""
  65                 for ypsvr in `grep -v '^[ ]*#' $ypfile`; do
  66                         #
  67                         # Get corresponding IPv4/IPv6 addresses
  68                         #
  69                         servers=`getent ipnodes $ypsvr | \
  70                             /usr/xpg4/bin/awk '$1 ~ !/:/{ print $1 }'`
  71                         servers_6=`getent ipnodes $ypsvr | \
  72                             /usr/xpg4/bin/awk '$1 ~ /:/{ print $1 }'`
  73
  74                         if [ -n "$servers" ]; then
  75                                 server_addrs="$server_addrs $servers"
  76                         fi
  77
  78                         if [ -n "$servers_6" ]; then
  79                                 server_addrs_6="$server_addrs_6 $servers_6"
  80                         fi
  81                 done
  82
  83                 if [ -n "$tports" -o -n "$tports_6" ]; then
  84                         for tport in $tports $tports_6; do
  85                                 echo "block $block_policy_tcp in log" \
  86                                     "proto tcp from any to any" \
  87                                     "port = $tport" >>$file
  88                                 if [ -n "$server_addrs"  ]; then
  89                                         for s in $server_addrs; do
  90                                                 echo "pass in log quick" \
  91                                                     "proto tcp from $s" \
  92                                                     "to any port = $tport" \
  93                                                     >>$file
  94                                         done
  95                                 fi
  96                         done
  97                 fi
  98
  99                 if [ -n "$uports" -o -n "$uports_6" ]; then
 100                         for uport in $uports $uports_6; do
 101                                 echo "block $block_policy_udp in log" \
 102                                     "proto udp from any to any" \
 103                                     "port = $uport" >>$file
 104                                 if [ -n "$server_addrs"  ]; then
 105                                         for s in $server_addrs; do
 106                                                 echo "pass in log quick" \
 107                                                     "proto udp from $s" \
 108                                                     "to any port = $uport" \
 109                                                      >>$file
 110                                         done
 111                                 fi
 112                         done
 113                 fi
 114
 115                 if [ -n "$tports_6" ]; then
 116                         for tport in $tports_6; do
 117                                 echo "block $block_policy_tcp in log" \
 118                                     "proto tcp from any to any" \
 119                                     "port = $tport" >>$file6
 120                                 if [ -n "$server_addrs_6"  ]; then
 121                                         for s in $server_addrs_6; do
 122                                                 echo "pass in log quick" \
 123                                                     "proto tcp from $s" \
 124                                                     "to any port = $tport" \
 125                                                     >>$file6
 126                                         done
 127                                 fi
 128                         done
 129                 fi
 130
 131                 if [ -n "$uports_6" ]; then
 132                         for uport in $uports_6; do
 133                                 echo "block $block_policy_udp in log" \
 134                                     "proto udp from any to any" \
 135                                     "port = $uport" >>$file6
 136                                 if [ -n "$server_addrs_6"  ]; then
 137                                         for s in $server_addrs_6; do
 138                                                 echo "pass in log quick" \
 139                                                     "proto udp from $s" \
 140                                                     "to any port = $uport" \
 141                                                      >>$file6
 142                                         done
 143                                 fi
 144                         done
 145                 fi
 146         else
 147                 #
 148                 # How do we handle the client broadcast case? Server replies
 149                 # to the outgoing port that sent the broadcast, but there's
 150                 # no way the client know a packet is the reply.
 151                 #
 152                 # Nis server should be specified and clients shouldn't be
 153                 # doing broadcasts but if it does, no choice but to allow
 154                 # all traffic.
 155                 #
 156                 echo "pass in log quick proto udp from any to any" \
 157                     "port > 32768" >>$file
 158                 echo "pass in log quick proto udp from any to any" \
 159                     "port > 32768" >>$file6
 160         fi
 161 }
 162
 163 #
 164 # Ipfilter method
 165 #
 166 if [ -n "$1" -a "$1" = "ipfilter" ]; then
 167         create_client_ipf_rules $2
 168         exit $SMF_EXIT_OK
 169 fi
 170
 171 case $SMF_FMRI in
 172         'svc:/network/nis/client:default')
 173                 domain=`domainname`
 174
 175                 if [ -z "$domain" ]; then
 176                         echo "$0: domainname not set"
 177                         exit $SMF_EXIT_ERR_CONFIG
 178                 fi
 179
 180                 if [ ! -d /var/yp/binding/$domain ]; then
 181                         echo "$0: /var/yp/binding/$domain is not a directory"
 182                         exit $SMF_EXIT_ERR_CONFIG
 183                 fi
 184
 185                 # Since two ypbinds will cause ypwhich to hang...
 186                 if pgrep -z `/sbin/zonename` ypbind >/dev/null; then
 187                         echo "$0: ypbind is already running."
 188                         exit $SMF_EXIT_ERR_CONFIG
 189                 fi
 190
 191                 if [ -f /var/yp/binding/$domain/ypservers ]; then
 192                         $YPDIR/ypbind > /dev/null 2>&1
 193                 else
 194                         $YPDIR/ypbind -broadcast > /dev/null 2>&1
 195                 fi
 196
 197                 rc=$?
 198                 if [ $rc != 0 ]; then
 199                         echo "$0: ypbind failed with $rc"
 200                         exit 1
 201                 fi
 202                 ;;
 203
 204         'svc:/network/nis/server:default')
 205                 domain=`domainname`
 206
 207                 if [ -z "$domain" ]; then
 208                         echo "$0: domainname not set"
 209                         exit $SMF_EXIT_ERR_CONFIG
 210                 fi
 211
 212                 if [ ! -d /var/yp/$domain ]; then
 213                         echo "$0: domain directory missing"
 214                         exit $SMF_EXIT_ERR_CONFIG
 215                 fi
 216
 217                 if [ -f /etc/resolv.conf ]; then
 218                         $YPDIR/ypserv -d
 219                 else
 220                         $YPDIR/ypserv
 221                 fi
 222
 223                 rc=$?
 224                 if [ $rc != 0 ]; then
 225                         echo "$0: ypserv failed with $rc"
 226                         exit 1
 227                 fi
 228                 ;;
 229
 230         'svc:/network/nis/passwd:default')
 231                 PWDIR=`grep "^PWDIR" /var/yp/Makefile 2> /dev/null` \
 232                     && PWDIR=`expr "$PWDIR" : '.*=[     ]*\([^  ]*\)'`
 233                 if [ "$PWDIR" ]; then
 234                         if [ "$PWDIR" = "/etc" ]; then
 235                                 unset PWDIR
 236                         else
 237                                 PWDIR="-D $PWDIR"
 238                         fi
 239                 fi
 240                 $YPDIR/rpc.yppasswdd $PWDIR -m
 241
 242                 rc=$?
 243                 if [ $rc != 0 ]; then
 244                         echo "$0: rpc.yppasswdd failed with $rc"
 245                         exit 1
 246                 fi
 247                 ;;
 248
 249         *)
 250                 echo "$0: Unknown service \"$SMF_FMRI\"."
 251                 exit $SMF_EXIT_ERR_CONFIG
 252                 ;;
 253 esac
 254 exit $SMF_EXIT_OK