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 . ${rc_functions}
  17
  18 # Pull custom configuration file
  19 if [ -e "/etc/sysconfig/dnsmasq" ]; then
  20         . /etc/sysconfig/dnsmasq
  21 fi
  22
  23 CACHE_SIZE=2500
  24 ENABLE_DNSSEC=1
  25 SHOW_SRV=1
  26 TRUST_ANCHOR=".,19036,8,2,49AAC11D7B6F6446702E54A1607371607A1A41855200FD2CE1CDDE32F24E8FB5"
  27
  28 function dnssec_args() {
  29         local cmdline="--dnssec --dnssec-timestamp"
  30
  31         if [ -n "${TRUST_ANCHOR}" ]; then
  32                 cmdline="${cmdline} --trust-anchor=${TRUST_ANCHOR}"
  33         fi
  34
  35         echo "${cmdline}"
  36 }
  37
  38 function dns_forward_args() {
  39         local file="${1}"
  40
  41         # Do nothing if file is empty.
  42         [ -s "${file}" ] || return
  43
  44         local cmdline
  45
  46         local enabled zone server remark
  47         while IFS="," read -r enabled zone server remark; do
  48                 # Line must be enabled.
  49                 [ "${enabled}" = "on" ] || continue
  50
  51                 cmdline="${cmdline} --server=/${zone}/${server}"
  52         done < ${file}
  53
  54         echo "${cmdline}"
  55 }
  56
  57 function dns_leases_args() {
  58         eval $(/usr/local/bin/readhash /var/ipfire/dhcp/settings)
  59
  60         # If the DHCP server is enabled and DNS Update (RFC2136) is
  61         # enabled, too, we won't overlay the internal domain with
  62         # the dynamic/static leases.
  63
  64         if ([ "${ENABLE_GREEN}" = "on" ] || [ "${ENABLE_BLUE}" = "on" ]) \
  65                         && [ "${DNS_UPDATE_ENABLED}" = "on" ]; then
  66                 return
  67         fi
  68
  69         echo "-l /var/state/dhcp/dhcpd.leases"
  70 }
  71
  72 case "${1}" in
  73         start)
  74                 # kill already running copy of dnsmasq...
  75                 killproc /usr/sbin/dnsmasq 2>&1 > /dev/null
  76
  77                 boot_mesg "Starting Domain Name Service Proxy..."
  78
  79                 eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)
  80                 ARGS="$CUSTOM_ARGS"
  81                 [ "$DOMAIN_NAME_GREEN" != "" ] && ARGS="$ARGS -s $DOMAIN_NAME_GREEN"
  82
  83                 # DHCP configuration
  84                 ARGS="${ARGS} $(dns_leases_args)"
  85
  86                 echo > /var/ipfire/red/resolv.conf # Clear it
  87                 if [ -e "/var/ipfire/red/dns1" ]; then
  88                     DNS1=$(cat /var/ipfire/red/dns1 2>/dev/null)
  89                     if [ ! -z ${DNS1} ]; then
  90                         echo "nameserver ${DNS1}" >> /var/ipfire/red/resolv.conf
  91                     fi
  92                 fi
  93                 if [ -e "/var/ipfire/red/dns2" ]; then
  94                     DNS2=$(cat /var/ipfire/red/dns2 2>/dev/null)
  95                     if [ ! -z ${DNS2} ]; then
  96                         echo "nameserver ${DNS2}" >> /var/ipfire/red/resolv.conf
  97                     fi
  98                 fi
  99                 [ -e "/var/ipfire/red/active" ] && ARGS="$ARGS -r /var/ipfire/red/resolv.conf"
 100
 101                 ARGS="$ARGS --domain=`cat /var/ipfire/main/settings |grep DOMAIN |cut -d = -f 2`"
 102
 103                 # Add custom forward dns zones.
 104                 ARGS="${ARGS} $(dns_forward_args /var/ipfire/dnsforward/config)"
 105
 106                 # Enabled DNSSEC validation
 107                 if [ "${ENABLE_DNSSEC}" -eq 1 ]; then
 108                         ARGS="${ARGS} $(dnssec_args)"
 109                 fi
 110
 111                 if [ -n "${CACHE_SIZE}" ]; then
 112                         ARGS="${ARGS} --cache-size=${CACHE_SIZE}"
 113                 fi
 114
 115                 loadproc /usr/sbin/dnsmasq ${ARGS}
 116
 117                 if [ "${SHOW_SRV}" -eq 1 ] && [ "${DNS1}" != "" -o "${DNS2}" != "" ]; then
 118                     boot_mesg "Using DNS server(s): ${DNS1} ${DNS2}"
 119                     boot_mesg_flush
 120                 fi
 121                 ;;
 122
 123         stop)
 124                 boot_mesg "Stopping Domain Name Service Proxy..."
 125                 killproc /usr/sbin/dnsmasq
 126                 ;;
 127
 128         restart)
 129                 ${0} stop
 130                 sleep 1
 131                 ${0} start
 132                 ;;
 133
 134         status)
 135                 statusproc /usr/sbin/dnsmasq
 136                 ;;
 137
 138         *)
 139                 echo "Usage: ${0} {start|stop|restart|status}"
 140                 exit 1
 141                 ;;
 142 esac
 143
 144 # End $rc_base/init.d/dnsmasq