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#!/bin/sh
# /etc/rc.d/rc.yp
#
# Start NIS (Network Information Service).  NIS provides network-wide
# distribution of hostname, username, and other information databases.
# After configuring NIS, you will either need to uncomment the parts
# of this script that you want to run, or tweak /etc/default/yp
#
# NOTE: for detailed information about setting up NIS, see the
# documentation in /usr/doc/yp-tools, /usr/doc/ypbind,
# /usr/doc/ypserv, and /usr/doc/Linux-HOWTOs/NIS-HOWTO.

# Set non-zero to enable yp client functions
# Can also be used in /etc/default/yp to override this default:
YP_CLIENT_ENABLE=1

# Set non-zero to enable yp server functions
# Can also be used in /etc/default/yp to override this default:
YP_SERVER_ENABLE=0

# If YP_SERVER_ENABLE is set, a non-zero YP_XFRD_ENABLE setting will
# enable ypxfrd.
# Can also be used in /etc/default/yp to override this default:
YP_XFRD_ENABLE=0

PID_PATH=/var/run

# Source options. Doing this here makes it possible
# to override YP_*_ENABLE set above
if [ -r /etc/default/yp ]; then
  . /etc/default/yp
fi

yp_start() {

  if [ $YP_SERVER_ENABLE -ne 0 ]; then
    # NIS SERVER CONFIGURATION:
    # If you are the master server for the NIS domain, you must run ypserv to
    # service clients on the domain.
    if [ -x /usr/sbin/ypserv ]; then
      echo "Starting NIS server:  /usr/sbin/ypserv $YPSERV_OPTS"
      /usr/sbin/ypserv $YPSERV_OPTS
    fi

    # If you are the master server for the NIS domain, you must also run
    # rpc.yppasswdd, which is the RPC server that lets users change their
    # passwords.

    if [ -x /usr/sbin/rpc.yppasswdd ]; then
      echo "Starting NIS master password server:  /usr/sbin/rpc.yppasswdd $YPPASSWDD_OPTS"
      /usr/sbin/rpc.yppasswdd $YPPASSWDD_OPTS
    fi

    # If you have NIS slave servers, you might also want to start up
    # rpc.ypxfrd, which transfers changes in the NIS domain to slave servers.
    # Alternatively, rpc.ypxfrd can be run out of inetd.
    if [ $YP_XFRD_ENABLE -ne 0 ]; then
      if [ -x /usr/sbin/rpc.ypxfrd ]; then
        echo "Starting NIS transfer server:  /usr/sbin/rpc.ypxfrd $YPXFRD_OPTS"
        /usr/sbin/rpc.ypxfrd $YPXFRD_OPTS
      fi
    fi
  fi

  if [ $YP_CLIENT_ENABLE -ne 0 ]; then
    # NIS CLIENT CONFIGURATION:
    # If you are a NIS client, all you need to do is run ypbind.
    # Your NIS server might also be a client.
    if [ -d /var/yp ]; then
      if [ -z "$YPBIND_OPTS" ]; then
        YPBIND_OPTS="-broadcast"
      fi
      echo "Starting NIS services:  /usr/sbin/ypbind $YPBIND_OPTS"
      /usr/sbin/ypbind $YPBIND_OPTS
    fi
  fi
}

yp_stop() {
  if [ -r ${PID_PATH}/ypbind.pid ]; then
    echo "Stopping NIS services."
    kill $(cat ${PID_PATH}/ypbind.pid)
  fi

  if [ -r ${PID_PATH}/ypxfrd.pid ]; then
    echo "Stopping NIS transfer server."
    kill $(cat ${PID_PATH}/ypxfrd.pid)
  fi

  if [ -r ${PID_PATH}/yppasswdd.pid ]; then
    echo "Stopping NIS master password server."
    kill $(cat ${PID_PATH}/yppasswdd.pid)
  fi

  if [ -r ${PID_PATH}/ypserv.pid ]; then
    echo "Stopping NIS server."
    kill $(cat ${PID_PATH}/ypserv.pid)
  fi
}

# First, we must setup the NIS domainname.  NOTE: this is not necessarily
# the same as your DNS domainname, set in /etc/resolv.conf.  The NIS
# domainname is the name of a domain served by your NIS server.
#
# If /etc/defaultdomain has not been configured we'll bail out.
if [ -r /etc/defaultdomain ] && [ -x /bin/nisdomainname ]; then
  if ! /bin/nisdomainname 1>/dev/null 2>/dev/null ; then
    nisdomainname $(cat /etc/defaultdomain)
  fi
else
  echo "/etc/rc.d/rc.yp:  NIS not configured.  Hint: set up /etc/defaultdomain."
  exit 0
fi

case "$1" in
'start')
  yp_start
  ;;
'stop')
  yp_stop
  ;;
'restart')
  yp_stop
  yp_start
  ;;
*)
  echo "usage $0 start|stop|restart"
esac

# # Done setting up NIS.