pld-rc-inetd-generator.sh

   1 #!/bin/sh
   2
   3 parse_one_service() {
   4         SOCKET_FILE="$1/rc-inetd-${CURRENT_SERVICE}.socket"
   5         SERVICE_FILE="$1/rc-inetd-${CURRENT_SERVICE}@.service"
   6
   7         case "$FAMILY" in
   8                 ipv4)
   9                         PORT="0.0.0.0:$PORT"
  10                         ;;
  11                 ipv6)
  12                         PORT="[::]:$PORT"
  13                         ;;
  14                 *)
  15         esac
  16
  17         case "$SOCK_TYPE" in
  18                 stream)
  19                         [ "$PROTOCOL" = "tcp" ] || return
  20                         __LISTEN="ListenStream=$PORT"
  21                         ;;
  22                 dgram)
  23                         [ "$PROTOCOL" = "udp" ] || return
  24                         __LISTEN="ListenDatagram=$PORT"
  25                         ;;
  26                 seqpacket)
  27                         __LISTEN="ListenSequentialPacket=$PORT"
  28                         ;;
  29                 *)
  30                         return
  31         esac
  32         :>$SOCKET_FILE
  33         :>$SERVICE_FILE
  34
  35         echo "[Unit]" >>$SERVICE_FILE
  36         echo "Description=$SERVICE_NAME" >>$SERVICE_FILE
  37         echo >>$SERVICE_FILE
  38
  39         echo "[Service]" >>$SERVICE_FILE
  40         echo "StandardInput=socket" >>$SERVICE_FILE
  41         echo "StandardError=syslog" >>$SERVICE_FILE
  42
  43         echo "[Unit]" >>$SOCKET_FILE
  44         echo "Description=$SERVICE_NAME" >>$SOCKET_FILE
  45         echo >>$SOCKET_FILE
  46
  47         echo "[Socket]" >>$SOCKET_FILE
  48         echo $__LISTEN >>$SOCKET_FILE
  49
  50         for i in $FLAGS; do
  51                 case "$i" in
  52                         nowait)
  53                                 echo "Accept=true" >>$SOCKET_FILE
  54                                 [ "${MAX_CONNECTIONS:-n}" = "n" ] || echo "MaxConnections=$MAX_CONNECTIONS" >>$SOCKET_FILE
  55                                 ;;
  56                         *)
  57                                 ;;
  58                 esac
  59         done
  60
  61         if [ "$SERVER" = "tcpd" ] ; then
  62                 echo "TCPWrapName=$SERVICE_NAME" >>$SOCKET_FILE
  63         elif [ $SERVER != $DAEMON ]; then
  64                 DAEMON="$SERVER $DAEMON"
  65         fi
  66         [ "${INTERFACE:-none}" = "none" ] || echo "BindToDevice=$INTERFACE" >>$SOCKET_FILE
  67
  68         echo "User=$USER" >>$SERVICE_FILE
  69         [ "${GROUP:-none}" = "none" ] || echo "Group=$GROUP" >>$SERVICE_FILE
  70         [ "${NICE:-none}" = "none" ] || echo "Nice=$NICE" >>$SERVICE_FILE
  71         [ "${CHROOT:-none}" = "none" ] || echo "RootDirectory=$CHROOT" >>$SERVICE_FILE
  72         [ "${ENV:-none}" = "none" ] || echo "Environment=$ENV" >>$SERVICE_FILE
  73         echo -n "ExecStart=-$DAEMON" >>$SERVICE_FILE
  74         if [ "${DAEMONARGS:-none}" = "none" ] ; then
  75                 echo >>$SERVICE_FILE
  76         else
  77                 echo " $DAEMONARGS" >>$SERVICE_FILE
  78         fi
  79
  80         if typeset -f pre_start_service 2>&1 >/dev/null ; then
  81                 echo "#!/bin/sh" >/run/rc-inetd/${CURRENT_SERVICE}_pre_start.sh
  82                 typeset -f pre_start_service >>/run/rc-inetd/${CURRENT_SERVICE}_pre_start.sh
  83                 echo "pre_start_service >&2" >>/run/rc-inetd/${CURRENT_SERVICE}_pre_start.sh
  84                 chmod u+x /run/rc-inetd/${CURRENT_SERVICE}_pre_start.sh
  85                 echo "ExecStartPre=-/run/rc-inetd/${CURRENT_SERVICE}_pre_start.sh" >>$SERVICE_FILE
  86         fi
  87
  88         if typeset -f pre_stop_service 2>&1 >/dev/null ; then
  89                 echo "#!/bin/sh" >/run/rc-inetd/${CURRENT_SERVICE}_post_stop.sh
  90                 typeset -f pre_stop_service >>/run/rc-inetd/${CURRENT_SERVICE}_post_stop.sh
  91                 echo "pre_stop_service >&2" >>/run/rc-inetd/${CURRENT_SERVICE}_post_stop.sh
  92                 chmod u+x /run/rc-inetd/${CURRENT_SERVICE}_post_stop.sh
  93                 echo "ExecStopPost=-/run/rc-inetd/${CURRENT_SERVICE}_post_stop.sh" >>$SERVICE_FILE
  94         fi
  95
  96         echo >>$SERVICE_FILE
  97         echo "[Install]" >>$SERVICE_FILE
  98         echo "Also=rc-inetd-${CURRENT_SERVICE}.socket" >>$SERVICE_FILE
  99         echo >>$SERVICE_FILE
 100
 101         echo >>$SOCKET_FILE
 102         echo "[Install]" >>$SOCKET_FILE
 103         echo "WantedBy=sockets.target" >>$SOCKET_FILE
 104 }
 105
 106 normalunitdir=${1:-/tmp}
 107 earlyunitdir=${2:-/tmp}
 108 lateunitdir=${3:-/tmp}
 109
 110 destunitdir=$normalunitdir
 111
 112 rm -f $destunitdir/rc-inetd-*.service \
 113         $destunitdir/rc-inetd-*.socket \
 114         $destunitdir/sockets.target.wants/rc-inetd-*.socket \
 115         /run/rc-inetd/*
 116
 117 mkdir -p $destunitdir/sockets.target.wants \
 118         /run/rc-inetd
 119
 120 SERVICES=$(ls -d /etc/sysconfig/rc-inetd/* 2>/dev/null | grep -Ev '.*(\.rpm(save|new|orig)|~|CVS)')
 121 for i in $SERVICES; do
 122         # unset everything
 123         unset SERVICE_NAME SOCK_TYPE PROTOCOL PORT USER
 124         unset DAEMON DAEMONARGS MAX_CONNECTIONS GROUP NICE
 125         unset FAMILY INTERFACE CHROOT RPCNAME RPCVERSION
 126         unset INITGROUPS BANNER ECHO FILTER ENV FLAGS
 127         unset SERVER MAX_CONNECTIONS_PER_SOURCE
 128         unset CONNECTIONS_PER_SECOND RPCNUMBER
 129         unset BANNER_SUCCESS BANNER_FAILURE PASSENV
 130         unset SERVICE_TYPE ACCESS_TIMES LOG_TYPE
 131         unset LOG_SUCCESS LOG_FAILURE REDIRECT MAX_LOAD
 132
 133         # Read defaults...
 134         . /etc/sysconfig/rc-inetd.conf
 135
 136         # ...and then config of *this* service.
 137         . $i
 138
 139         CURRENT_SERVICE=$(basename $i)
 140         DONT_PARSE=0
 141         # check if service is in deny list ?
 142         for i in $DENY_SERVICES; do
 143                 if [ $i = $CURRENT_SERVICE ]; then
 144                         DONT_PARSE=1
 145                 fi
 146         done
 147         [ $DONT_PARSE -eq 0 ] || continue
 148
 149         parse_one_service $destunitdir
 150
 151         if [ -f $destunitdir/rc-inetd-${CURRENT_SERVICE}.socket ]; then
 152                 ln -sf "$destunitdir/rc-inetd-${CURRENT_SERVICE}.socket" \
 153                         "$destunitdir/sockets.target.wants/rc-inetd-${CURRENT_SERVICE}.socket"
 154         fi
 155 done