mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-18 13:48:26 +02:00
0f5bb7640c
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28493 3c298f89-4303-0410-b956-a3cf2f4a3e73
418 lines
9.6 KiB
Bash
418 lines
9.6 KiB
Bash
#!/bin/sh /etc/rc.common
|
|
# Copyright (C) 2007 OpenWrt.org
|
|
|
|
START=60
|
|
DNS_SERVERS=""
|
|
DOMAIN=""
|
|
|
|
dhcp_calc() {
|
|
local ip="$1"
|
|
local res=0
|
|
|
|
while [ -n "$ip" ]; do
|
|
part="${ip%%.*}"
|
|
res="$(($res * 256))"
|
|
res="$(($res + $part))"
|
|
[ "${ip%.*}" != "$ip" ] && ip="${ip#*.}" || ip=
|
|
done
|
|
echo "$res"
|
|
}
|
|
|
|
append_bool() {
|
|
local section="$1"
|
|
local option="$2"
|
|
local value="$3"
|
|
local _loctmp
|
|
config_get_bool _loctmp "$section" "$option" 0
|
|
[ $_loctmp -gt 0 ] && append args "$value"
|
|
}
|
|
|
|
append_parm() {
|
|
local section="$1"
|
|
local option="$2"
|
|
local switch="$3"
|
|
local _loctmp
|
|
config_get _loctmp "$section" "$option"
|
|
[ -z "$_loctmp" ] && return 0
|
|
append args "$switch $_loctmp"
|
|
}
|
|
|
|
append_server() {
|
|
append args "-S $1"
|
|
}
|
|
|
|
append_interface() {
|
|
local ifname=$(uci_get_state network "$1" ifname "$1")
|
|
append args "-i $ifname"
|
|
}
|
|
|
|
append_notinterface() {
|
|
local ifname=$(uci_get_state network "$1" ifname "$1")
|
|
append args "-I $ifname"
|
|
}
|
|
|
|
append_addnhosts() {
|
|
append args "-H $1"
|
|
}
|
|
|
|
append_bogusnxdomain() {
|
|
append args "-B $1"
|
|
}
|
|
|
|
dnsmasq() {
|
|
local cfg="$1"
|
|
append_bool "$cfg" authoritative "-K"
|
|
append_bool "$cfg" nodaemon "-d"
|
|
append_bool "$cfg" domainneeded "-D"
|
|
append_bool "$cfg" filterwin2k "-f"
|
|
append_bool "$cfg" nohosts "-h"
|
|
append_bool "$cfg" nonegcache "-N"
|
|
append_bool "$cfg" strictorder "-o"
|
|
append_bool "$cfg" logqueries "-q"
|
|
append_bool "$cfg" noresolv "-R"
|
|
append_bool "$cfg" localise_queries "-y"
|
|
append_bool "$cfg" readethers "-Z"
|
|
append_bool "$cfg" dbus "-1"
|
|
append_bool "$cfg" boguspriv "-b"
|
|
append_bool "$cfg" expandhosts "-E"
|
|
append_bool "$cfg" enable_tftp "--enable-tftp"
|
|
append_bool "$cfg" nonwildcard "-z"
|
|
|
|
append_parm "$cfg" dhcpscript "-6"
|
|
append_parm "$cfg" cachesize "-c"
|
|
append_parm "$cfg" dnsforwardmax "-0"
|
|
append_parm "$cfg" port "-p"
|
|
append_parm "$cfg" ednspacket_max "-P"
|
|
append_parm "$cfg" dhcpleasemax "-X"
|
|
append_parm "$cfg" "queryport" "-Q"
|
|
append_parm "$cfg" "domain" "-s"
|
|
append_parm "$cfg" "local" "-S"
|
|
config_list_foreach "$cfg" "server" append_server
|
|
config_list_foreach "$cfg" "interface" append_interface
|
|
config_list_foreach "$cfg" "notinterface" append_notinterface
|
|
config_list_foreach "$cfg" "addnhosts" append_addnhosts
|
|
config_list_foreach "$cfg" "bogusnxdomain" append_bogusnxdomain
|
|
append_parm "$cfg" "leasefile" "-l"
|
|
append_parm "$cfg" "resolvfile" "-r"
|
|
append_parm "$cfg" "tftp_root" "--tftp-root"
|
|
append_parm "$cfg" "dhcp_boot" "--dhcp-boot"
|
|
|
|
config_get DOMAIN "$cfg" domain
|
|
|
|
config_get_bool readethers "$cfg" readethers
|
|
[ "$readethers" = "1" -a \! -e "/etc/ethers" ] && touch /etc/ethers
|
|
|
|
config_get leasefile $cfg leasefile
|
|
[ -n "$leasefile" -a \! -e "$leasefile" ] && touch "$leasefile"
|
|
config_get_bool cachelocal "$cfg" cachelocal 1
|
|
|
|
config_get hostsfile "$cfg" dhcphostsfile
|
|
[ -e "$hostsfile" ] && append args "--dhcp-hostsfile=$hostsfile"
|
|
|
|
local rebind
|
|
config_get_bool rebind "$cfg" rebind_protection 1
|
|
[ $rebind -gt 0 ] && {
|
|
logger -t dnsmasq \
|
|
"DNS rebinding protection is active," \
|
|
"will discard upstream RFC1918 responses!"
|
|
append args "--stop-dns-rebind"
|
|
|
|
local rebind_localhost
|
|
config_get_bool rebind_localhost "$cfg" rebind_localhost 0
|
|
[ $rebind_localhost -gt 0 ] && {
|
|
logger -t dnsmasq "Allowing 127.0.0.0/8 responses"
|
|
append args "--rebind-localhost-ok"
|
|
}
|
|
|
|
append_rebind_domain() {
|
|
logger -t dnsmasq "Allowing RFC1918 responses for domain $1"
|
|
append args "--rebind-domain-ok=$1"
|
|
}
|
|
|
|
config_list_foreach "$cfg" rebind_domain append_rebind_domain
|
|
}
|
|
}
|
|
|
|
dhcp_subscrid_add() {
|
|
local cfg="$1"
|
|
|
|
config_get networkid "$cfg" networkid
|
|
[ -n "$networkid" ] || return 0
|
|
|
|
config_get subscriberid "$cfg" subscriberid
|
|
[ -n "$subscriberid" ] || return 0
|
|
|
|
append args "--dhcp-subscrid=$networkid,$subscriberid"
|
|
|
|
dhcp_option_add "$cfg" "$networkid"
|
|
}
|
|
|
|
dhcp_remoteid_add() {
|
|
local cfg="$1"
|
|
|
|
config_get networkid "$cfg" networkid
|
|
[ -n "$networkid" ] || return 0
|
|
|
|
config_get remoteid "$cfg" remoteid
|
|
[ -n "$remoteid" ] || return 0
|
|
|
|
append args "--dhcp-remoteid=$networkid,$remoteid"
|
|
|
|
dhcp_option_add "$cfg" "$networkid"
|
|
}
|
|
|
|
dhcp_circuitid_add() {
|
|
local cfg="$1"
|
|
|
|
config_get networkid "$cfg" networkid
|
|
[ -n "$networkid" ] || return 0
|
|
|
|
config_get circuitid "$cfg" circuitid
|
|
[ -n "$circuitid" ] || return 0
|
|
|
|
append args "--dhcp-circuitid=$networkid,$circuitid"
|
|
|
|
dhcp_option_add "$cfg" "$networkid"
|
|
}
|
|
|
|
dhcp_userclass_add() {
|
|
local cfg="$1"
|
|
|
|
config_get networkid "$cfg" networkid
|
|
[ -n "$networkid" ] || return 0
|
|
|
|
config_get userclass "$cfg" userclass
|
|
[ -n "$userclass" ] || return 0
|
|
|
|
append args "--dhcp-userclass=$networkid,$userclass"
|
|
|
|
dhcp_option_add "$cfg" "$networkid"
|
|
}
|
|
|
|
dhcp_vendorclass_add() {
|
|
local cfg="$1"
|
|
|
|
config_get networkid "$cfg" networkid
|
|
[ -n "$networkid" ] || return 0
|
|
|
|
config_get vendorclass "$cfg" vendorclass
|
|
[ -n "$vendorclass" ] || return 0
|
|
|
|
append args "--dhcp-vendorclass=$networkid,$vendorclass"
|
|
|
|
dhcp_option_add "$cfg" "$networkid"
|
|
}
|
|
|
|
dhcp_host_add() {
|
|
local cfg="$1"
|
|
|
|
config_get networkid "$cfg" networkid
|
|
[ -n "$networkid" ] && dhcp_option_add "$cfg" "$networkid"
|
|
|
|
config_get name "$cfg" name
|
|
config_get ip "$cfg" ip
|
|
[ -n "$ip" ] || [ -n "$name" ] || return 0
|
|
|
|
macs=""
|
|
config_get mac "$cfg" mac
|
|
for m in $mac; do append macs "$m" ","; done
|
|
[ -n "$macs" ] || return 0
|
|
|
|
append args "--dhcp-host=$macs${networkid:+,net:$networkid}${ip:+,$ip}${name:+,$name}"
|
|
}
|
|
|
|
dhcp_mac_add() {
|
|
local cfg="$1"
|
|
|
|
config_get networkid "$cfg" networkid
|
|
[ -n "$networkid" ] || return 0
|
|
|
|
config_get mac "$cfg" mac
|
|
[ -n "$mac" ] || return 0
|
|
|
|
append args "--dhcp-mac=$networkid,$mac"
|
|
|
|
dhcp_option_add "$cfg" "$networkid"
|
|
}
|
|
|
|
dhcp_boot_add() {
|
|
local cfg="$1"
|
|
|
|
config_get networkid "$cfg" networkid
|
|
|
|
config_get filename "$cfg" filename
|
|
[ -n "$filename" ] || return 0
|
|
|
|
config_get servername "$cfg" servername
|
|
[ -n "$servername" ] || return 0
|
|
|
|
config_get serveraddress "$cfg" serveraddress
|
|
[ -n "$serveraddress" ] || return 0
|
|
|
|
append args "--dhcp-boot=${networkid:+net:$networkid,}$filename,$servername,$serveraddress"
|
|
|
|
dhcp_option_add "$cfg" "$networkid"
|
|
}
|
|
|
|
|
|
dhcp_add() {
|
|
local cfg="$1"
|
|
config_get net "$cfg" interface
|
|
[ -n "$net" ] || return 0
|
|
|
|
config_get networkid "$cfg" networkid
|
|
[ -n "$networkid" ] || networkid="$net"
|
|
|
|
config_get ifname "$net" ifname
|
|
[ -n "$ifname" ] || return 0
|
|
|
|
config_get dnsserver "$net" dns
|
|
[ "$cachelocal" = "0" -a -n "$dnsserver" ] && {
|
|
DNS_SERVERS="$DNS_SERVERS $dnsserver"
|
|
}
|
|
|
|
append_bool "$cfg" ignore "-2 $ifname" && return 0
|
|
|
|
config_get proto "$net" proto
|
|
[ static = "$proto" ] || return 0
|
|
|
|
config_get ipaddr "$net" ipaddr
|
|
config_get netmask "$cfg" netmask
|
|
[ -n "$netmask" ] || config_get netmask "$net" netmask
|
|
|
|
#check for an already active dhcp server on the interface, unless 'force' is set
|
|
config_get_bool force "$cfg" force 0
|
|
[ $force -gt 0 ] || {
|
|
udhcpc -n -q -s /bin/true -t 1 -i $ifname >&- && {
|
|
logger -t dnsmasq \
|
|
"found already running DHCP-server on interface '$ifname'" \
|
|
"refusing to start, use 'option force 1' to override"
|
|
return 0
|
|
}
|
|
}
|
|
|
|
config_get start "$cfg" start
|
|
config_get limit "$cfg" limit
|
|
config_get leasetime "$cfg" leasetime
|
|
config_get options "$cfg" options
|
|
config_get_bool dynamicdhcp "$cfg" dynamicdhcp 1
|
|
|
|
leasetime="${leasetime:-12h}"
|
|
start="$(dhcp_calc "${start:-100}")"
|
|
limit="${limit:-150}"
|
|
[ "$limit" -gt 0 ] && limit=$((limit-1))
|
|
eval "$(ipcalc.sh $ipaddr $netmask $start $limit)"
|
|
if [ "$dynamicdhcp" = "0" ]; then END="static"; fi
|
|
append args "--dhcp-range=$networkid,$START,$END,$NETMASK,$leasetime${options:+ $options}"
|
|
|
|
dhcp_option_add "$cfg" "$networkid"
|
|
}
|
|
|
|
dhcp_option_add() {
|
|
local cfg="$1"
|
|
local networkid="$2"
|
|
|
|
config_get dhcp_option "$cfg" dhcp_option
|
|
for o in $dhcp_option; do
|
|
append args "-O $networkid","$o"
|
|
done
|
|
|
|
}
|
|
|
|
dhcp_domain_add() {
|
|
local cfg="$1"
|
|
local ip name names
|
|
|
|
config_get names "$cfg" name
|
|
[ -n "$names" ] || return 0
|
|
|
|
config_get ip "$cfg" ip
|
|
[ -n "$ip" ] || return 0
|
|
|
|
local oIFS="$IFS"; IFS="."; set -- $ip; IFS="$oIFS"
|
|
local raddr="${4:+$4.$3.$2.$1.in-addr.arpa}"
|
|
|
|
for name in $names; do
|
|
local fqdn="$name"
|
|
|
|
[ "${fqdn%.*}" == "$fqdn" ] && \
|
|
fqdn="$fqdn${DOMAIN:+.$DOMAIN}"
|
|
|
|
append args "-A /$fqdn/$ip"
|
|
|
|
[ -n "$raddr" ] && {
|
|
append args "--ptr-record=$raddr,$fqdn"
|
|
raddr=""
|
|
}
|
|
done
|
|
}
|
|
|
|
dhcp_srv_add() {
|
|
local cfg="$1"
|
|
|
|
config_get srv "$cfg" srv
|
|
[ -n "$srv" ] || return 0
|
|
|
|
config_get target "$cfg" target
|
|
[ -n "$target" ] || return 0
|
|
|
|
config_get port "$cfg" port
|
|
|
|
local service="$srv,$target"
|
|
[ -n "$port" ] && service="$service,$port"
|
|
|
|
append args "-W $service"
|
|
}
|
|
|
|
dhcp_cname_add() {
|
|
local cfg="$1"
|
|
local cname target
|
|
|
|
config_get cname "$cfg" cname
|
|
[ -n "$cname" ] || return 0
|
|
|
|
config_get target "$cfg" target
|
|
[ -n "$target" ] || return 0
|
|
|
|
append args "--cname=${cname},${target}"
|
|
}
|
|
|
|
start() {
|
|
include /lib/network
|
|
scan_interfaces
|
|
config_load dhcp
|
|
|
|
args=""
|
|
config_foreach dnsmasq dnsmasq
|
|
config_foreach dhcp_host_add host
|
|
config_foreach dhcp_boot_add boot
|
|
config_foreach dhcp_mac_add mac
|
|
config_foreach dhcp_vendorclass_add vendorclass
|
|
config_foreach dhcp_userclass_add userclass
|
|
config_foreach dhcp_circuitid_add circuitid
|
|
config_foreach dhcp_remoteid_add remoteid
|
|
config_foreach dhcp_subscrid_add subscrid
|
|
config_foreach dhcp_domain_add domain
|
|
config_foreach dhcp_srv_add srvhost
|
|
config_foreach dhcp_add dhcp
|
|
config_foreach dhcp_cname_add cname
|
|
|
|
/usr/sbin/dnsmasq $args && {
|
|
rm -f /tmp/resolv.conf
|
|
[ -n "$DOMAIN" ] && echo "search $DOMAIN" >> /tmp/resolv.conf
|
|
DNS_SERVERS="$DNS_SERVERS 127.0.0.1"
|
|
for DNS_SERVER in $DNS_SERVERS ; do
|
|
echo "nameserver $DNS_SERVER" >> /tmp/resolv.conf
|
|
done
|
|
}
|
|
}
|
|
|
|
stop() {
|
|
[ -f /tmp/resolv.conf ] && {
|
|
rm -f /tmp/resolv.conf
|
|
ln -s /tmp/resolv.conf.auto /tmp/resolv.conf
|
|
}
|
|
service_kill dnsmasq /var/run/dnsmasq.pid
|
|
return 0
|
|
}
|