From 63f49e43e62fa70bf8f3aa0a8082cb133a1b82cf Mon Sep 17 00:00:00 2001 From: Jo-Philipp Wich Date: Sat, 27 Mar 2010 17:13:33 +0000 Subject: base-files: add a hotplug handler for rdate SVN-Revision: 20518 --- package/base-files/Makefile | 2 +- package/base-files/files/etc/config/system | 9 +++++ .../base-files/files/etc/hotplug.d/iface/40-rdate | 46 ++++++++++++++++++++++ 3 files changed, 56 insertions(+), 1 deletion(-) create mode 100644 package/base-files/files/etc/hotplug.d/iface/40-rdate diff --git a/package/base-files/Makefile b/package/base-files/Makefile index 88ab610187..856340f667 100644 --- a/package/base-files/Makefile +++ b/package/base-files/Makefile @@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk include $(INCLUDE_DIR)/kernel.mk PKG_NAME:=base-files -PKG_RELEASE:=40 +PKG_RELEASE:=41 PKG_FILE_DEPENDS:=$(PLATFORM_DIR)/ $(GENERIC_PLATFORM_DIR)/base-files/ diff --git a/package/base-files/files/etc/config/system b/package/base-files/files/etc/config/system index b0726b7b7b..3f121bd4d3 100644 --- a/package/base-files/files/etc/config/system +++ b/package/base-files/files/etc/config/system @@ -1,3 +1,12 @@ config system option hostname OpenWrt option timezone UTC + +config rdate + list server ac-ntp0.net.cmu.edu + list server ptbtime1.ptb.de + list server ac-ntp1.net.cmu.edu + list server ntp.xs4all.nl + list server ptbtime2.ptb.de + list server cudns.cit.cornell.edu + list server ptbtime3.ptb.de diff --git a/package/base-files/files/etc/hotplug.d/iface/40-rdate b/package/base-files/files/etc/hotplug.d/iface/40-rdate new file mode 100644 index 0000000000..cf56c02ac5 --- /dev/null +++ b/package/base-files/files/etc/hotplug.d/iface/40-rdate @@ -0,0 +1,46 @@ +uci_get_one() +{ + for var in "$@"; do + uci -P /var/state get "$var" 2>/dev/null && break + done +} + +rand() +{ + random=$(awk 'BEGIN { srand(); print int(rand() * 10 + 1); }') +} + +sync_rdate() +{ + local servers=$(uci_get_one "network.$INTERFACE.lease_timesrv" \ + "system.@rdate[0].server") + + if [ -n "$servers" ]; then + match=0 + tries=3 + rand + + while [ $match = 0 ] && [ $tries != 0 ]; do + for server in $servers; do + if [ $((--random)) = 0 ]; then + rdate -s $server >/dev/null 2>/dev/null && { + logger -t rdate "Synced with $server" + match=1 + } || { + logger -t rdate "Failed to sync with $server" + let tries="$tries - 1" + rand + } + + break + fi + done + done + else + logger -t rdate "No usable time server found" + fi +} + +case "$ACTION" in + ifup) route -n | grep -q ^0.0.0.0 && sync_rdate;; +esac -- cgit v1.2.3