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NTPD in busybox has option -I to bind server to IFACE. However, capabilities of the busybox are limited, the -I option cannot be repeated and only one interface can be effectively specified in it. This option is currently not configurable via UCI. The patch adds an interface option to the system config, ntp section. Also sort options for uci_load_validate alphabetically. Signed-off-by: Alexey Dobrovolsky <dobrovolskiy.alexey@gmail.com>
111 lines
2.7 KiB
Bash
Executable File
111 lines
2.7 KiB
Bash
Executable File
#!/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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'dhcp_interface:list(string)' \
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'enable_server:bool:0' \
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'enabled:bool:1' \
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'interface:string' \
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'server:list(host)' \
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'use_dhcp:bool:1'
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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 "$PROG" -n -N
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if [ "$enable_server" = "1" ]; then
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procd_append_param command -l
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[ -n "$interface" ] && procd_append_param command -I $interface
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fi
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[ -x "$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 $peer
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done
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procd_set_param respawn
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[ -x /sbin/ujail -a -e /etc/capabilities/ntpd.json ] && {
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procd_add_jail ntpd ubus
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procd_add_jail_mount "$HOTPLUG_SCRIPT"
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procd_add_jail_mount "/usr/share/libubox/jshn.sh"
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procd_add_jail_mount "/usr/bin/env"
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procd_add_jail_mount "/usr/bin/jshn"
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procd_add_jail_mount "/bin/ubus"
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procd_set_param capabilities /etc/capabilities/ntpd.json
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procd_set_param user ntp
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procd_set_param group ntp
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procd_set_param no_new_privs 1
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}
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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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