[package] base-files: derive lease_acquired dhcp state var from /proc/uptime

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@25452 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/base-files/files/usr/share/udhcpc/default.script b/package/base-files/files/usr/share/udhcpc/default.script
index b614c45..8dbff47 100755 (executable)
--- a/package/base-files/files/usr/share/udhcpc/default.script
+++ b/package/base-files/files/usr/share/udhcpc/default.script
@@ -103,7 +103,7 @@ setup_interface () {
 
        # UCI State
        change_state network "$ifc" lease_server "$serverid"
-       change_state network "$ifc" lease_acquired "$(date '+%s')"
+       change_state network "$ifc" lease_acquired "$(sed -ne 's![^0-9].*$!!p' /proc/uptime)"
        change_state network "$ifc" lease_lifetime "$lease"
        [ -n "$ntpsrv" ] &&     change_state network "$ifc" lease_ntpsrv "$ntpsrv"
        [ -n "$timesvr" ] &&    change_state network "$ifc" lease_timesrv "$timesvr"