ExternalVendorCode/openwrt
1
0
Fork 0
mirror of https://github.com/openwrt/openwrt.git synced 2024-12-19 13:48:06 +00:00
Code Issues Actions 6 Packages Projects Releases Wiki Activity

busybox: sysntpd - Support for NTP servers received via DHCP(v6)

Browse Source 
The busybox ntpd utility currently uses ntp servers specified in uci.
This patch allows the ntpd utility to use NTP servers received via DHCP(v6)
Following uci parameters have been added:
    use_dhcp : enables NTP server config via DHCP(v6)
    dhcp_interface : use NTP servers received only on the specified DHCP(v6) interfaces; if empty all interfaces are considered

Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
This commit is contained in:
Hans Dedecker 2016-05-23 14:30:57 +02:00 committed by Jo-Philipp Wich
parent 2ac21bd793
commit 6707d9750a
2 changed files with 54 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
package/utils/busybox/Makefile
View File

@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=busybox
PKG_VERSION:=1.24.2
PKG_RELEASE:=1
PKG_RELEASE:=2
PKG_FLAGS:=essential
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
@ -42,7 +42,7 @@ define Package/busybox
MAINTAINER:=Felix Fietkau <nbd@openwrt.org>
TITLE:=Core utilities for embedded Linux
URL:=http://busybox.net/
DEPENDS:=+BUSYBOX_USE_LIBRPC:librpc +BUSYBOX_CONFIG_PAM:libpam
DEPENDS:=+BUSYBOX_USE_LIBRPC:librpc +BUSYBOX_CONFIG_PAM:libpam +BUSYBOX_CONFIG_NTPD:jsonfilter
MENU:=1
endef

57
package/utils/busybox/files/sysntpd
View File

@ -7,13 +7,34 @@ USE_PROCD=1
PROG=/usr/sbin/ntpd
HOTPLUG_SCRIPT=/usr/sbin/ntpd-hotplug
get_dhcp_ntp_servers() {
local interfaces="$1"
local filter="*"
local interface ntpservers ntpserver
for interface in $interfaces; do
[ "$filter" = "*" ] && filter="@.interface='$interface'" || filter="$filter,@.interface='$interface'"
done
ntpservers=$(ubus call network.interface dump | jsonfilter -e "@.interface[$filter]['data']['ntpserver']")
for ntpserver in $ntpservers; do
local duplicate=0
local entry
for entry in $server; do
[ "$ntpserver" = "$entry" ] && duplicate=1
done
[ "$duplicate" = 0 ] && server="$server $ntpserver"
done
}
validate_ntp_section() {
uci_validate_section system timeserver "${1}" \
'server:list(host)' 'enabled:bool:1' 'enable_server:bool:0'
'server:list(host)' 'enabled:bool:1' 'enable_server:bool:0' 'use_dhcp:bool:1' 'dhcp_interface:list(string)'
}
start_service() {
local server enabled enable_server peer
local server enabled enable_server use_dhcp dhcp_interface peer
validate_ntp_section ntp || {
echo "validation failed"
@ -22,6 +43,8 @@ start_service() {
[ $enabled = 0 ] && return
[ $use_dhcp = 1 ] && get_dhcp_ntp_servers "$dhcp_interface"
[ -z "$server" ] && return
procd_open_instance
@ -35,8 +58,32 @@ start_service() {
procd_close_instance
}
service_triggers()
{
procd_add_reload_trigger "system"
service_triggers() {
local script name use_dhcp
script=$(readlink -f "$initscript")
name=$(basename ${script:-$initscript})
procd_open_trigger
procd_add_config_trigger "config.change" "system" /etc/init.d/$name reload
config_load system
config_get use_dhcp ntp use_dhcp 1
[ $use_dhcp = 1 ] && {
local dhcp_interface
config_get dhcp_interface ntp dhcp_interface
if [ -n "$dhcp_interface" ]; then
for n in $dhcp_interface; do
procd_add_interface_trigger "interface.*" $n /etc/init.d/$name reload
done
else
procd_add_raw_trigger "interface.*" 1000 /etc/init.d/$name reload
fi
}
procd_close_trigger
procd_add_validation validate_ntp_section
}