src/initscripts/init.d/dnsmasq

   1 #!/bin/sh
   2 ########################################################################
   3 # Begin $rc_base/init.d/dnsmasq
   4 #
   5 # Description : dnsmasq init script
   6 #
   7 # Authors     : Michael Tremer - mitch@ipfire.org
   8 #
   9 # Version     : 01.00
  10 #
  11 # Notes       :
  12 #
  13 ########################################################################
  14
  15 . /etc/sysconfig/rc
  16 . ${rc_functions}
  17
  18 CACHE_SIZE=2500
  19 ENABLE_DNSSEC=1
  20 SHOW_SRV=1
  21 TRUST_ANCHOR=".,19036,8,2,49AAC11D7B6F6446702E54A1607371607A1A41855200FD2CE1CDDE32F24E8FB5"
  22 TIMESTAMP_FILE="/var/ipfire/dns/dnssec-timestamp"
  23
  24 # Pull custom configuration file
  25 if [ -e "/etc/sysconfig/dnsmasq" ]; then
  26         . /etc/sysconfig/dnsmasq
  27 fi
  28
  29 function dnssec_args() {
  30         local cmdline="--dnssec --dnssec-timestamp ${TIMESTAMP_FILE}"
  31
  32         if [ -n "${TRUST_ANCHOR}" ]; then
  33                 cmdline="${cmdline} --trust-anchor=${TRUST_ANCHOR}"
  34         fi
  35
  36         echo "${cmdline}"
  37 }
  38
  39 function dns_forward_args() {
  40         local file="${1}"
  41
  42         # Do nothing if file is empty.
  43         [ -s "${file}" ] || return
  44
  45         local cmdline
  46
  47         local enabled zone server remark
  48         while IFS="," read -r enabled zone server remark; do
  49                 # Line must be enabled.
  50                 [ "${enabled}" = "on" ] || continue
  51
  52                 cmdline="${cmdline} --server=/${zone}/${server}"
  53         done < ${file}
  54
  55         echo "${cmdline}"
  56 }
  57
  58 case "${1}" in
  59         start)
  60                 # kill already running copy of dnsmasq...
  61                 killproc /usr/sbin/dnsmasq 2>&1 > /dev/null
  62
  63                 boot_mesg "Starting Domain Name Service Proxy..."
  64
  65                 eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)
  66                 ARGS="$CUSTOM_ARGS"
  67                 [ "$DOMAIN_NAME_GREEN" != "" ] && ARGS="$ARGS -s $DOMAIN_NAME_GREEN"
  68
  69                 echo > /var/ipfire/red/resolv.conf # Clear it
  70                 if [ -e "/var/ipfire/red/dns1" ]; then
  71                     DNS1=$(cat /var/ipfire/red/dns1 2>/dev/null)
  72                     if [ ! -z ${DNS1} ]; then
  73                         echo "nameserver ${DNS1}" >> /var/ipfire/red/resolv.conf
  74                     fi
  75                 fi
  76                 if [ -e "/var/ipfire/red/dns2" ]; then
  77                     DNS2=$(cat /var/ipfire/red/dns2 2>/dev/null)
  78                     if [ ! -z ${DNS2} ]; then
  79                         echo "nameserver ${DNS2}" >> /var/ipfire/red/resolv.conf
  80                     fi
  81                 fi
  82                 [ -e "/var/ipfire/red/active" ] && ARGS="$ARGS -r /var/ipfire/red/resolv.conf"
  83
  84                 ARGS="$ARGS --domain=`cat /var/ipfire/main/settings |grep DOMAIN |cut -d = -f 2`"
  85
  86                 # Add custom forward dns zones.
  87                 ARGS="${ARGS} $(dns_forward_args /var/ipfire/dnsforward/config)"
  88
  89                 # Enabled DNSSEC validation
  90                 if [ "${ENABLE_DNSSEC}" -eq 1 ]; then
  91                         ARGS="${ARGS} $(dnssec_args)"
  92                 fi
  93
  94                 if [ -n "${CACHE_SIZE}" ]; then
  95                         ARGS="${ARGS} --cache-size=${CACHE_SIZE}"
  96                 fi
  97
  98                 loadproc /usr/sbin/dnsmasq -l /var/state/dhcp/dhcpd.leases $ARGS
  99
 100                 if [ "${SHOW_SRV}" -eq 1 ] && [ "${DNS1}" != "" -o "${DNS2}" != "" ]; then
 101                     boot_mesg "Using DNS server(s): ${DNS1} ${DNS2}"
 102                     boot_mesg_flush
 103                 fi
 104                 ;;
 105
 106         stop)
 107                 boot_mesg "Stopping Domain Name Service Proxy..."
 108                 killproc /usr/sbin/dnsmasq
 109                 ;;
 110
 111         restart)
 112                 ${0} stop
 113                 sleep 1
 114                 ${0} start
 115                 ;;
 116
 117         status)
 118                 statusproc /usr/sbin/dnsmasq
 119                 ;;
 120
 121         *)
 122                 echo "Usage: ${0} {start|stop|restart|status}"
 123                 exit 1
 124                 ;;
 125 esac
 126
 127 # End $rc_base/init.d/dnsmasq