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91 lines
2.1 KiB
Bash
91 lines
2.1 KiB
Bash
#!/bin/sh /etc/rc.common
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# Copyright (C) 2011 OpenWrt.org
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START=98
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USE_PROCD=1
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PROG=/usr/sbin/ntpd
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HOTPLUG_SCRIPT=/usr/sbin/ntpd-hotplug
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get_dhcp_ntp_servers() {
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local interfaces="$1"
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local filter="*"
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local interface ntpservers ntpserver
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for interface in $interfaces; do
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[ "$filter" = "*" ] && filter="@.interface='$interface'" || filter="$filter,@.interface='$interface'"
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done
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ntpservers=$(ubus call network.interface dump | jsonfilter -e "@.interface[$filter]['data']['ntpserver']")
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for ntpserver in $ntpservers; do
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local duplicate=0
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local entry
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for entry in $server; do
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[ "$ntpserver" = "$entry" ] && duplicate=1
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done
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[ "$duplicate" = 0 ] && server="$server $ntpserver"
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done
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}
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validate_ntp_section() {
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uci_load_validate system timeserver "$1" "$2" \
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'server:list(host)' 'enabled:bool:1' 'enable_server:bool:0' 'use_dhcp:bool:1' 'dhcp_interface:list(string)'
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}
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start_ntpd_instance() {
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local peer
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[ "$2" = 0 ] || {
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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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[ $use_dhcp = 1 ] && get_dhcp_ntp_servers "$dhcp_interface"
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[ -z "$server" -a "$enable_server" = "0" ] && return
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procd_open_instance
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procd_set_param command "$PROG" -n -N
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[ "$enable_server" = "1" ] && procd_append_param command -l
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[ -x "$HOTPLUG_SCRIPT" ] && procd_append_param command -S "$HOTPLUG_SCRIPT"
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for peer in $server; do
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procd_append_param command -p $peer
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done
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procd_set_param respawn
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procd_close_instance
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}
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start_service() {
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validate_ntp_section ntp start_ntpd_instance
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}
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service_triggers() {
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local script name use_dhcp
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script=$(readlink -f "$initscript")
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name=$(basename ${script:-$initscript})
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procd_add_config_trigger "config.change" "system" /etc/init.d/$name reload
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config_load system
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config_get use_dhcp ntp use_dhcp 1
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[ $use_dhcp = 1 ] && {
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local dhcp_interface
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config_get dhcp_interface ntp dhcp_interface
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if [ -n "$dhcp_interface" ]; then
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for n in $dhcp_interface; do
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procd_add_interface_trigger "interface.*" $n /etc/init.d/$name reload
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done
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else
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procd_add_raw_trigger "interface.*" 1000 /etc/init.d/$name reload
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fi
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}
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procd_add_validation validate_ntp_section
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}
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