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64 lines
1.3 KiB
Plaintext
64 lines
1.3 KiB
Plaintext
IFACE_GLOBAL=$(uci_get "system.@rdate[0].interface")
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SERVERS=
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MAX=0
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SYNCED=
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do_rdate()
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{
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local server="$1"
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rdate -s "$server" >/dev/null 2>/dev/null && {
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logger -t rdate "Synced with $server"
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SYNCED="$server"
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} || {
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logger -t rdate "Failed to sync with $server"
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}
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}
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add_server()
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{
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local section="$1"
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local server
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config_get server "$section" hostname
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[ -z "$server" ] && return
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local iface
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config_get iface "$section" interface
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[ -z "$iface" ] && iface=$IFACE_GLOBAL
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[ -n "$iface" ] && {
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[ "$iface" = "$INTERFACE" ] || return
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}
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SERVERS="${SERVERS} $server"; : $((MAX++))
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}
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sync_time()
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{
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local server
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server=$(uci_get_state "network.$INTERFACE.lease_timesrv")
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[ -n "$server" ] && do_rdate "$server"
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[ -n "$SYNCED" ] && return
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config_load timeserver
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config_foreach add_server timeserver
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local servers
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while [ $MAX -gt 0 ] && [ -z "$SYNCED" ]; do
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unset servers; random=$(awk "BEGIN { srand(); print int(rand() * $MAX + 1); }")
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for server in $SERVERS; do
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[ $((--random)) -eq 0 ] && { do_rdate "$server"; continue; }
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servers="${servers} $server"
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done
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SERVERS="${servers}"; : $((MAX--))
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done
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[ -z "$SYNCED" ] && logger -t rdate "No usable time server for $INTERFACE found"
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}
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case "${ACTION:-ifup}" in
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ifup)
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sync_time
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;;
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esac
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