547 lines
13 KiB
Bash
547 lines
13 KiB
Bash
#!/bin/sh /etc/rc.common
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conlog(){
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msg="$@"
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test -z "$msg" && return 0
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DATE="`date`"
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logger -t "dnsmasq[${$}]" "$msg"
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echo "$DATE dnsmasq[${$}]: $msg" >> /dev/console 2>/dev/null
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return 0
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}
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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="$1"
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local res=0
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while [ -n "$ip" ]; do
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part="${ip%%.*}"
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res="$(($res * 256))"
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res="$(($res + $part))"
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[ "${ip%.*}" != "$ip" ] && ip="${ip#*.}" || ip=
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done
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echo "$res"
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}
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append_bool() {
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local section="$1"
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local option="$2"
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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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[ $_loctmp -gt 0 ] && xappend "$value"
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}
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append_parm() {
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local section="$1"
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local option="$2"
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local switch="$3"
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local _loctmp
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config_get _loctmp "$section" "$option"
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[ -z "$_loctmp" ] && return 0
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xappend "$switch=$_loctmp"
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}
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append_server() {
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xappend "--server=$1"
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}
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append_address() {
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xappend "--address=$1"
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}
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append_interface() {
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local ifname=$(uci_get_state network "$1" ifname "$1")
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xappend "--interface=$ifname"
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}
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append_notinterface() {
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local ifname=$(uci_get_state network "$1" ifname "$1")
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xappend "--except-interface=$ifname"
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}
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append_addnhosts() {
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xappend "--addn-hosts=$1"
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}
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append_bogusnxdomain() {
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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 "--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" logdhcp "--log-dhcp"
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append_bool "$cfg" clearonreload "--clear-on-reload"
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append_bool "$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 "$cfg" nonwildcard "--bind-interfaces"
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append_bool "$cfg" fqdn "--dhcp-fqdn"
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append_bool "$cfg" allservers "--all-servers"
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append_bool "$cfg" client_update_ddns "--dhcp-client-update"
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#--dhcp-option-force=[tag:<tag>,[tag:<tag>,]][encap:<opt>,][vi-encap:<enterprise>,][vendor:[<vendor-class>],]<opt>,[<value>[,<value>]]
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#This works in exactly the same way as --dhcp-option except that the option will always be sent, even if the client does not ask for
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#it in the parameter request list. This is sometimes needed, for example when sending options to PXELinux.
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#
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#--dhcp-option-force=43,ANDROID_METERED
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#
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append_parm "$cfg" negttl "--neg-ttl"
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append_parm "$cfg" maxttl "--max-ttl"
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append_parm "$cfg" maxcachettl "--max-cache-ttl"
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append_parm "$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" "address" append_address
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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 "$cfg" "leasefile" "--dhcp-leasefile"
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append_parm "$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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append_parm "$cfg" "local_ttl" "--local-ttl"
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config_get DOMAIN "$cfg" domain
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config_get_bool ADD_LOCAL_DOMAIN "$cfg" add_local_domain 1
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config_get_bool ADD_LOCAL_HOSTNAME "$cfg" add_local_hostname 1
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config_get_bool readethers "$cfg" readethers
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[ "$readethers" = "1" -a \! -e "/etc/ethers" ] && touch /etc/ethers
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config_get leasefile $cfg leasefile
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[ -n "$leasefile" -a \! -e "$leasefile" ] && touch "$leasefile"
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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 "$hostsfile" ] && xappend "--dhcp-hostsfile=$hostsfile"
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mkdir -p /tmp/hosts
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xappend "--addn-hosts=/tmp/hosts"
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local rebind
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config_get_bool rebind "$cfg" rebind_protection 1
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[ $rebind -gt 0 ] && {
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logger -t dnsmasq \
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"DNS rebinding protection is active," \
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"will discard upstream RFC1918 responses!"
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xappend "--stop-dns-rebind"
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local rebind_localhost
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config_get_bool rebind_localhost "$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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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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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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[ -f "/www/xiaoqiang/diagnosis/index.html" ] && {
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# network troubleshoot intercept
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local intercept="$(uci -q get network.lan.ipaddr)"
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[ -n "$intercept" ] && xappend "--intercept-ip-address=$intercept"
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}
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local is_nxdomain=$(uci -q get http_status_stat.settings.enabled)
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is_nxdomain=${is_nxdomain:-"0"}
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config_get_bool enable_nxdomain_resolve "$cfg" nxdomain_helper 1
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local cc=$(bdata get CountryCode)
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cc=${cc:-"CN"}
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local nxdomain_ipaddr=$(uci -q get firewall.nxdomain.src_dip)
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[ $is_nxdomain -eq "1" -a $cc = "CN" -a "$enable_nxdomain_resolve" = "1" -a -n "$nxdomain_ipaddr" ] && {
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# replace nxdomain
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xappend "--nxdomain-ip-address=$nxdomain_ipaddr"
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}
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# dnsmasq script
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[ -d "/lib/dnsmasq/lease.d" ] && {
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xappend "--dhcp-script=/lib/dnsmasq/dhcp_lease"
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}
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dhcp_option_add "$cfg" "" 0
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echo >> $CONFIGFILE
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}
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dhcp_subscrid_add() {
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local cfg="$1"
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config_get networkid "$cfg" networkid
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[ -n "$networkid" ] || return 0
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config_get subscriberid "$cfg" subscriberid
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[ -n "$subscriberid" ] || return 0
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xappend "--dhcp-subscrid=$networkid,$subscriberid"
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config_get_bool force "$cfg" force 0
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dhcp_option_add "$cfg" "$networkid" "$force"
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}
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dhcp_remoteid_add() {
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local cfg="$1"
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config_get networkid "$cfg" networkid
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[ -n "$networkid" ] || return 0
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config_get remoteid "$cfg" remoteid
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[ -n "$remoteid" ] || return 0
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xappend "--dhcp-remoteid=$networkid,$remoteid"
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config_get_bool force "$cfg" force 0
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dhcp_option_add "$cfg" "$networkid" "$force"
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}
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dhcp_circuitid_add() {
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local cfg="$1"
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config_get networkid "$cfg" networkid
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[ -n "$networkid" ] || return 0
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config_get circuitid "$cfg" circuitid
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[ -n "$circuitid" ] || return 0
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xappend "--dhcp-circuitid=$networkid,$circuitid"
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config_get_bool force "$cfg" force 0
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dhcp_option_add "$cfg" "$networkid" "$force"
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}
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dhcp_userclass_add() {
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local cfg="$1"
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config_get networkid "$cfg" networkid
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[ -n "$networkid" ] || return 0
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config_get userclass "$cfg" userclass
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[ -n "$userclass" ] || return 0
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xappend "--dhcp-userclass=$networkid,$userclass"
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config_get_bool force "$cfg" force 0
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dhcp_option_add "$cfg" "$networkid" "$force"
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}
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dhcp_vendorclass_add() {
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local cfg="$1"
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config_get networkid "$cfg" networkid
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[ -n "$networkid" ] || return 0
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config_get vendorclass "$cfg" vendorclass
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[ -n "$vendorclass" ] || return 0
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xappend "--dhcp-vendorclass=$networkid,$vendorclass"
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config_get_bool force "$cfg" force 0
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dhcp_option_add "$cfg" "$networkid" "$force"
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}
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dhcp_host_add() {
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local cfg="$1"
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config_get_bool force "$cfg" force 0
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config_get networkid "$cfg" networkid
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[ -n "$networkid" ] && dhcp_option_add "$cfg" "$networkid" "$force"
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config_get ip "$cfg" ip
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[ -n "$ip" ] || return 0
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macs=""
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config_get mac "$cfg" mac
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for m in $mac; do append macs "$m" ","; done
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[ -n "$macs" ] || return 0
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config_get tag "$cfg" tag
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xappend "--dhcp-host=$macs${networkid:+,net:$networkid}${tag:+,set:$tag}${ip:+,$ip}"
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}
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dhcp_tag_add() {
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local cfg="$1"
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tag="$cfg"
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[ -n "$tag" ] || return 0
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config_get_bool force "$cfg" force 0
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[ "$force" = "0" ] && force=
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config_get option "$cfg" dhcp_option
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for o in $option; do
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xappend "--dhcp-option${force:+-force}=tag:$tag,$o"
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done
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}
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dhcp_mac_add() {
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local cfg="$1"
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config_get networkid "$cfg" networkid
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[ -n "$networkid" ] || return 0
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config_get mac "$cfg" mac
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[ -n "$mac" ] || return 0
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xappend "--dhcp-mac=$networkid,$mac"
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dhcp_option_add "$cfg" "$networkid"
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}
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dhcp_boot_add() {
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local cfg="$1"
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config_get networkid "$cfg" networkid
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config_get filename "$cfg" filename
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[ -n "$filename" ] || return 0
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config_get servername "$cfg" servername
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[ -n "$servername" ] || return 0
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config_get serveraddress "$cfg" serveraddress
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[ -n "$serveraddress" ] || return 0
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xappend "--dhcp-boot=${networkid:+net:$networkid,}$filename,$servername,$serveraddress"
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config_get_bool force "$cfg" force 0
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dhcp_option_add "$cfg" "$networkid" "$force"
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}
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dhcp_add() {
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local cfg="$1"
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config_get net "$cfg" interface
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[ -n "$net" ] || return 0
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config_get networkid "$cfg" networkid
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[ -n "$networkid" ] || networkid="$net"
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config_get ifname "$net" ifname
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[ "$cachelocal" = "0" ] && network_get_dnsserver dnsserver "$net" && {
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DNS_SERVERS="$DNS_SERVERS $dnsserver"
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}
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append_bool "$cfg" ignore "--no-dhcp-interface=$ifname" && return 0
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config_get proto "$net" proto
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[ static = "$proto" ] || return 0
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config_get ipaddr "$net" ipaddr
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config_get netmask "$cfg" netmask
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[ -n "$netmask" ] || config_get netmask "$net" netmask
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#check for an already active dhcp server on the interface, unless 'force' is set
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config_get_bool force "$cfg" force 0
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[ $force -gt 0 -o -z "$ifname" ] || {
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udhcpc -n -q -s /bin/true -t 1 -i $ifname >&- && {
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conlog "found already running DHCP-server on interface '$ifname'" \
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"refusing to start, use 'option force 1' to override"
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return 0
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}
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}
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config_get start "$cfg" start
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config_get limit "$cfg" limit
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config_get leasetime "$cfg" leasetime
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config_get options "$cfg" options
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config_get_bool dynamicdhcp "$cfg" dynamicdhcp 1
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leasetime="${leasetime:-12h}"
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start="$(dhcp_calc "${start:-100}")"
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limit="${limit:-150}"
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[ "$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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xappend "--dhcp-range=$networkid,$START,$END,$NETMASK,$leasetime${options:+ $options}"
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dhcp_option_add "$cfg" "$networkid"
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dhcp_option_force_add "$cfg" "$networkid"
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}
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dhcp_option_add() {
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local cfg="$1"
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local networkid="$2"
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local force="$3"
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[ "$force" = "0" ] && force=
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config_get dhcp_option "$cfg" dhcp_option
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for o in $dhcp_option; do
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xappend "--dhcp-option${force:+-force}=${networkid:+$networkid,}$o"
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done
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}
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dhcp_option_force_add() {
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local cfg="$1"
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local networkid="$2"
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local force="1"
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config_get dhcp_option_force "$cfg" dhcp_option_force
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for o in $dhcp_option_force; do
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xappend "--dhcp-option${force:+-force}=${networkid:+$networkid,}$o"
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done
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local model=$(uci -q get misc.hardware.model)
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[ -z "$model" ] && model=$(cat /proc/xiaoqiang/model)
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xappend "--dhcp-option-force=12,MiWiFi-$model-srv"
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local color=$(bdata get color)
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local version=$(uci -q -c /usr/share/xiaoqiang get xiaoqiang_version.version.ROM)
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# add vendor info options
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xappend "dhcp-option-force=43,miwifi-$model-$version${color:+-$color}"
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}
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dhcp_domain_add() {
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local cfg="$1"
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local ip name names
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config_get names "$cfg" name "$2"
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[ -n "$names" ] || return 0
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config_get ip "$cfg" ip "$3"
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[ -n "$ip" ] || return 0
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local oIFS="$IFS"; IFS="."; set -- $ip; IFS="$oIFS"
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local raddr="${4:+$4.$3.$2.$1.in-addr.arpa}"
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for name in $names; do
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local fqdn="$name"
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[ "${fqdn%.*}" == "$fqdn" ] && \
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fqdn="$fqdn${DOMAIN:+.$DOMAIN}"
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xappend "--address=/$fqdn/$ip"
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[ -n "$raddr" ] && {
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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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}
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dhcp_srv_add() {
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local cfg="$1"
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config_get srv "$cfg" srv
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[ -n "$srv" ] || return 0
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config_get target "$cfg" target
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[ -n "$target" ] || return 0
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config_get port "$cfg" port
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[ -n "$port" ] || return 0
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config_get class "$cfg" class
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config_get weight "$cfg" weight
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local service="$srv,$target,$port${class:+,$class${weight:+,$weight}}"
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xappend "--srv-host=$service"
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}
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dhcp_mx_add() {
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local cfg="$1"
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local domain relay pref
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config_get domain "$cfg" domain
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[ -n "$domain" ] || return 0
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config_get relay "$cfg" relay
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[ -n "$relay" ] || return 0
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config_get pref "$cfg" pref 0
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local service="$domain,$relay,$pref"
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xappend "--mx-host=$service"
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}
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dhcp_cname_add() {
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local cfg="$1"
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local cname target
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config_get cname "$cfg" cname
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[ -n "$cname" ] || return 0
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config_get target "$cfg" target
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[ -n "$target" ] || return 0
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xappend "--cname=${cname},${target}"
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}
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killonepid(){
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local onepid ksig timelimit wcnt
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onepid=$1
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ksig=$2
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if [ -z "$onepid" ]
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then
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return 0
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fi
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test -z "$ksig" && ksig=15
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#
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if [ $onepid -le 100 ]
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then
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return 0
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fi
|
|
timelimit=5
|
|
wcnt=0
|
|
while [ : ]
|
|
do
|
|
if [ "$ksig" = '0' ]
|
|
then
|
|
kill -${ksig} $onepid 2>/dev/null
|
|
return $?
|
|
fi
|
|
kill -${ksig} $onepid 2>/dev/null
|
|
test $? -ne 0 && return 0
|
|
let wcnt=$wcnt+1
|
|
test $wcnt -gt $timelimit && break
|
|
sleep 1
|
|
done
|
|
kill -9 $onepid 2>/dev/null
|
|
test $? -eq 0 && return 1
|
|
return 0
|
|
#
|
|
}
|