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git://projects.qi-hardware.com/openwrt-xburst.git
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dnsmasq: configure dnsmasq via flat config file and not command-line args
Sometimes it's useful to compare the generated config file from UCI config with a hand-edited dnsmasq config file, especially if you're migrating to an OpenWRT router from something else (such as Astlinux). Putting the generated config makes it easier to capture and diff, etc. Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31182 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
jow
parent
08fc0ba23f
commit
1018d3d279
@ -8,6 +8,14 @@ SERVICE_USE_PID=1
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DNS_SERVERS=""
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DOMAIN=""
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CONFIGFILE="/var/etc/dnsmasq.conf"
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xappend() {
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local value="$1"
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echo "${value#--}" >> $CONFIGFILE
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}
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dhcp_calc() {
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local ip="$1"
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local res=0
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@ -27,7 +35,7 @@ append_bool() {
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local value="$3"
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local _loctmp
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config_get_bool _loctmp "$section" "$option" 0
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[ $_loctmp -gt 0 ] && append args "$value"
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[ $_loctmp -gt 0 ] && xappend "$value"
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}
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append_parm() {
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@ -37,66 +45,66 @@ append_parm() {
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local _loctmp
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config_get _loctmp "$section" "$option"
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[ -z "$_loctmp" ] && return 0
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append args "$switch $_loctmp"
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xappend "$switch=$_loctmp"
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}
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append_server() {
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append args "-S $1"
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xappend "--server=$1"
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}
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append_interface() {
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local ifname=$(uci_get_state network "$1" ifname "$1")
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append args "-i $ifname"
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xappend "--interface=$ifname"
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}
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append_notinterface() {
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local ifname=$(uci_get_state network "$1" ifname "$1")
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append args "-I $ifname"
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xappend "--except-interface=$ifname"
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}
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append_addnhosts() {
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append args "-H $1"
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xappend "--addn-hosts=$1"
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}
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append_bogusnxdomain() {
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append args "-B $1"
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xappend "--bogus-nxdomain=$1"
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}
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dnsmasq() {
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local cfg="$1"
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append_bool "$cfg" authoritative "-K"
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append_bool "$cfg" nodaemon "-d"
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append_bool "$cfg" domainneeded "-D"
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append_bool "$cfg" filterwin2k "-f"
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append_bool "$cfg" nohosts "-h"
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append_bool "$cfg" nonegcache "-N"
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append_bool "$cfg" strictorder "-o"
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append_bool "$cfg" logqueries "-q"
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append_bool "$cfg" noresolv "-R"
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append_bool "$cfg" localise_queries "-y"
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append_bool "$cfg" readethers "-Z"
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append_bool "$cfg" dbus "-1"
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append_bool "$cfg" boguspriv "-b"
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append_bool "$cfg" expandhosts "-E"
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append_bool "$cfg" authoritative "--dhcp-authoritative"
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append_bool "$cfg" nodaemon "--no-daemon"
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append_bool "$cfg" domainneeded "--domain-needed"
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append_bool "$cfg" filterwin2k "--filterwin2k"
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append_bool "$cfg" nohosts "--no-hosts"
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append_bool "$cfg" nonegcache "--no-negcache"
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append_bool "$cfg" strictorder "--strict-order"
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append_bool "$cfg" logqueries "--log-queries"
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append_bool "$cfg" noresolv "--no-resolv"
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append_bool "$cfg" localise_queries "--localise-queries"
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append_bool "$cfg" readethers "--read-ethers"
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append_bool "$cfg" dbus "--enable-dbus"
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append_bool "$cfg" boguspriv "--bogus-priv"
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append_bool "$cfg" expandhosts "--expand-hosts"
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append_bool "$cfg" enable_tftp "--enable-tftp"
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append_bool "$cfg" nonwildcard "-z"
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append_bool "$cfg" nonwildcard "--bind-interfaces"
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append_parm "$cfg" dhcpscript "-6"
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append_parm "$cfg" cachesize "-c"
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append_parm "$cfg" dnsforwardmax "-0"
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append_parm "$cfg" port "-p"
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append_parm "$cfg" ednspacket_max "-P"
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append_parm "$cfg" dhcpleasemax "-X"
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append_parm "$cfg" "queryport" "-Q"
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append_parm "$cfg" "domain" "-s"
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append_parm "$cfg" "local" "-S"
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append_parm "$cfg" dhcpscript "--dhcp-script"
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append_parm "$cfg" cachesize "--cache-size"
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append_parm "$cfg" dnsforwardmax "--dns-forward-max"
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append_parm "$cfg" port "--port"
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append_parm "$cfg" ednspacket_max "--edns-packet-max"
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append_parm "$cfg" dhcpleasemax "--dhcp-lease-max"
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append_parm "$cfg" "queryport" "--query-port"
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append_parm "$cfg" "domain" "--domain"
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append_parm "$cfg" "local" "--server"
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config_list_foreach "$cfg" "server" append_server
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config_list_foreach "$cfg" "interface" append_interface
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config_list_foreach "$cfg" "notinterface" append_notinterface
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config_list_foreach "$cfg" "addnhosts" append_addnhosts
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config_list_foreach "$cfg" "bogusnxdomain" append_bogusnxdomain
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append_parm "$cfg" "leasefile" "-l"
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append_parm "$cfg" "resolvfile" "-r"
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append_parm "$cfg" "leasefile" "--dhcp-leasefile"
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append_parm "$cfg" "resolvfile" "--resolv-file"
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append_parm "$cfg" "tftp_root" "--tftp-root"
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append_parm "$cfg" "dhcp_boot" "--dhcp-boot"
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@ -110,7 +118,7 @@ dnsmasq() {
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config_get_bool cachelocal "$cfg" cachelocal 1
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config_get hostsfile "$cfg" dhcphostsfile
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[ -e "$hostsfile" ] && append args "--dhcp-hostsfile=$hostsfile"
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[ -e "$hostsfile" ] && xappend "--dhcp-hostsfile=$hostsfile"
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local rebind
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config_get_bool rebind "$cfg" rebind_protection 1
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@ -118,22 +126,24 @@ dnsmasq() {
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logger -t dnsmasq \
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"DNS rebinding protection is active," \
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"will discard upstream RFC1918 responses!"
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append args "--stop-dns-rebind"
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xappend "--stop-dns-rebind"
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local rebind_localhost
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config_get_bool rebind_localhost "$cfg" rebind_localhost 0
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[ $rebind_localhost -gt 0 ] && {
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logger -t dnsmasq "Allowing 127.0.0.0/8 responses"
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append args "--rebind-localhost-ok"
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xappend "--rebind-localhost-ok"
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}
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append_rebind_domain() {
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logger -t dnsmasq "Allowing RFC1918 responses for domain $1"
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append args "--rebind-domain-ok=$1"
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xappend "--rebind-domain-ok=$1"
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}
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config_list_foreach "$cfg" rebind_domain append_rebind_domain
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}
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echo >> $CONFIGFILE
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}
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dhcp_subscrid_add() {
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@ -145,7 +155,7 @@ dhcp_subscrid_add() {
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config_get subscriberid "$cfg" subscriberid
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[ -n "$subscriberid" ] || return 0
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append args "--dhcp-subscrid=$networkid,$subscriberid"
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xappend "--dhcp-subscrid=$networkid,$subscriberid"
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dhcp_option_add "$cfg" "$networkid"
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}
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@ -159,7 +169,7 @@ dhcp_remoteid_add() {
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config_get remoteid "$cfg" remoteid
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[ -n "$remoteid" ] || return 0
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append args "--dhcp-remoteid=$networkid,$remoteid"
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xappend "--dhcp-remoteid=$networkid,$remoteid"
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dhcp_option_add "$cfg" "$networkid"
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}
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@ -173,7 +183,7 @@ dhcp_circuitid_add() {
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config_get circuitid "$cfg" circuitid
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[ -n "$circuitid" ] || return 0
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append args "--dhcp-circuitid=$networkid,$circuitid"
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xappend "--dhcp-circuitid=$networkid,$circuitid"
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dhcp_option_add "$cfg" "$networkid"
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}
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@ -187,7 +197,7 @@ dhcp_userclass_add() {
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config_get userclass "$cfg" userclass
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[ -n "$userclass" ] || return 0
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append args "--dhcp-userclass=$networkid,$userclass"
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xappend "--dhcp-userclass=$networkid,$userclass"
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dhcp_option_add "$cfg" "$networkid"
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}
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@ -201,7 +211,7 @@ dhcp_vendorclass_add() {
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config_get vendorclass "$cfg" vendorclass
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[ -n "$vendorclass" ] || return 0
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append args "--dhcp-vendorclass=$networkid,$vendorclass"
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xappend "--dhcp-vendorclass=$networkid,$vendorclass"
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dhcp_option_add "$cfg" "$networkid"
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}
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@ -221,7 +231,7 @@ dhcp_host_add() {
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for m in $mac; do append macs "$m" ","; done
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[ -n "$macs" ] || return 0
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append args "--dhcp-host=$macs${networkid:+,net:$networkid}${ip:+,$ip}${name:+,$name}"
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xappend "--dhcp-host=$macs${networkid:+,net:$networkid}${ip:+,$ip}${name:+,$name}"
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}
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dhcp_mac_add() {
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@ -233,7 +243,7 @@ dhcp_mac_add() {
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config_get mac "$cfg" mac
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[ -n "$mac" ] || return 0
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append args "--dhcp-mac=$networkid,$mac"
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xappend "--dhcp-mac=$networkid,$mac"
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dhcp_option_add "$cfg" "$networkid"
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}
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@ -252,7 +262,7 @@ dhcp_boot_add() {
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config_get serveraddress "$cfg" serveraddress
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[ -n "$serveraddress" ] || return 0
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append args "--dhcp-boot=${networkid:+net:$networkid,}$filename,$servername,$serveraddress"
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xappend "--dhcp-boot=${networkid:+net:$networkid,}$filename,$servername,$serveraddress"
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dhcp_option_add "$cfg" "$networkid"
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}
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@ -274,7 +284,7 @@ dhcp_add() {
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DNS_SERVERS="$DNS_SERVERS $dnsserver"
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}
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append_bool "$cfg" ignore "-2 $ifname" && return 0
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append_bool "$cfg" ignore "--no-dhcp-interface=$ifname" && return 0
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config_get proto "$net" proto
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[ static = "$proto" ] || return 0
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@ -306,7 +316,7 @@ dhcp_add() {
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[ "$limit" -gt 0 ] && limit=$((limit-1))
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eval "$(ipcalc.sh $ipaddr $netmask $start $limit)"
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if [ "$dynamicdhcp" = "0" ]; then END="static"; fi
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append args "--dhcp-range=$networkid,$START,$END,$NETMASK,$leasetime${options:+ $options}"
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xappend "--dhcp-range=$networkid,$START,$END,$NETMASK,$leasetime${options:+ $options}"
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dhcp_option_add "$cfg" "$networkid"
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}
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@ -317,7 +327,7 @@ dhcp_option_add() {
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config_get dhcp_option "$cfg" dhcp_option
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for o in $dhcp_option; do
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append args "-O $networkid","$o"
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xappend "--dhcp-option=$networkid","$o"
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done
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}
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@ -341,10 +351,10 @@ dhcp_domain_add() {
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[ "${fqdn%.*}" == "$fqdn" ] && \
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fqdn="$fqdn${DOMAIN:+.$DOMAIN}"
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append args "-A /$fqdn/$ip"
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xappend "--address=/$fqdn/$ip"
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[ -n "$raddr" ] && {
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append args "--ptr-record=$raddr,$fqdn"
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xappend "--ptr-record=$raddr,$fqdn"
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raddr=""
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}
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done
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@ -367,7 +377,7 @@ dhcp_srv_add() {
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local service="$srv,$target,$port${class:+,$class${weight:+,$weight}}"
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append args "-W $service"
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xappend "--srv-host=$service"
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}
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dhcp_mx_add() {
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@ -397,7 +407,7 @@ dhcp_cname_add() {
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config_get target "$cfg" target
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[ -n "$target" ] || return 0
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append args "--cname=${cname},${target}"
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xappend "--cname=${cname},${target}"
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}
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start() {
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@ -409,9 +419,20 @@ start() {
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config_load dhcp
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# before we can call xappend
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mkdir -p $(dirname $CONFIGFILE)
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echo "# auto-generated config file from /etc/config/dhcp" > $CONFIGFILE
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# if we did this last, we could override auto-generated config
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[ -f /etc/dnsmasq.conf ] && {
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xappend "--conf-file=/etc/dnsmasq.conf"
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}
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args=""
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config_foreach dnsmasq dnsmasq
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config_foreach dhcp_host_add host
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echo >> $CONFIGFILE
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config_foreach dhcp_boot_add boot
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config_foreach dhcp_mac_add mac
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config_foreach dhcp_vendorclass_add vendorclass
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@ -420,10 +441,14 @@ start() {
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config_foreach dhcp_remoteid_add remoteid
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config_foreach dhcp_subscrid_add subscrid
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config_foreach dhcp_domain_add domain
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echo >> $CONFIGFILE
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config_foreach dhcp_srv_add srvhost
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config_foreach dhcp_mx_add mxhost
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echo >> $CONFIGFILE
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config_foreach dhcp_add dhcp
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echo >> $CONFIGFILE
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config_foreach dhcp_cname_add cname
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echo >> $CONFIGFILE
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# add own hostname
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[ -z "$lanaddr" ] || {
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@ -431,7 +456,7 @@ start() {
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dhcp_domain_add "" "${hostname:-OpenWrt}" "$lanaddr"
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}
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service_start /usr/sbin/dnsmasq $args && {
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service_start /usr/sbin/dnsmasq -C $CONFIGFILE && {
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rm -f /tmp/resolv.conf
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[ -n "$DOMAIN" ] && echo "search $DOMAIN" >> /tmp/resolv.conf
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DNS_SERVERS="$DNS_SERVERS 127.0.0.1"
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