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84 lines
1.9 KiB
84 lines
1.9 KiB
#!/bin/sh /etc/rc.common
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# Copyright (C) 2006-2011 OpenWrt.org
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START=65
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STOP=65
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USE_PROCD=1
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PROG=/sbin/ntpd
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HOTPLUG_HELPER=/usr/sbin/ntpd.hotplug-helper
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config_file=/var/run/ntpd.conf
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trunc() {
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echo -n "" > $config_file
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}
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emit() {
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echo -e "$@" >> $config_file
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}
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validate_ntp_section() {
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uci_validate_section system timeserver "${1}" \
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'server:list(host)' 'enabled:bool:1' 'enable_server:bool:0' \
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'interface:list(string)'
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}
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start_service() {
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local server enabled enable_server interface intf
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validate_ntp_section ntp || {
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echo "validation failed"
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return 1
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}
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[ "$enabled" = 0 ] && return
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[ -z "$server" -a "$enable_server" = 0 ] && return
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# not sure that the interfaces enumerated should be validated,
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# since some of them might be dynamic interfaces (like IPsec
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# tunnels) which aren't known by ubus.
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trunc
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emit "driftfile /var/lib/ntp/ntp.drift\n"
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if [ "$enable_server" != 0 ]; then
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emit "restrict default limited kod nomodify notrap nopeer"
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emit "restrict -6 default limited kod nomodify notrap nopeer"
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else
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emit "restrict -4 default noserve"
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emit "restrict -6 default noserve"
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fi
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emit "restrict source noquery"
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emit "\n# No limits for local monitoring"
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emit "restrict 127.0.0.1"
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emit "restrict -6 ::1\n"
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if [ -n "$interface" ]; then
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local loopback=$(ubus call network.interface dump | jsonfilter -e "@.interface[@.interface='loopback']['device']")
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local saw_lo=
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for intf in $interface; do
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emit "interface listen $intf"
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[ "$intf" = "$loopback" ] && saw_lo=1
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done
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[ -z "$saw_lo" ] && emit "interface listen $loopback"
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emit ""
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fi
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emit "server $server iburst"
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mkdir -p /var/lib/ntp
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chown -R ntp:ntp /var/lib/ntp
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procd_open_instance
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procd_set_param command $PROG -g -u ntp:ntp -p /var/run/ntpd.pid -n \
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-c $config_file
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procd_close_instance
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procd_open_instance
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procd_set_param command $HOTPLUG_HELPER
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procd_close_instance
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}
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