| 1 | IFACE_GLOBAL=$(uci_get "system.@rdate[0].interface") |
| 2 | SERVERS= |
| 3 | MAX=0 |
| 4 | SYNCED= |
| 5 | |
| 6 | do_rdate() |
| 7 | { |
| 8 | local server="$1" |
| 9 | |
| 10 | rdate -s "$server" >/dev/null 2>/dev/null && { |
| 11 | logger -t rdate "Synced with $server" |
| 12 | SYNCED="$server" |
| 13 | } || { |
| 14 | logger -t rdate "Failed to sync with $server" |
| 15 | } |
| 16 | } |
| 17 | |
| 18 | add_server() |
| 19 | { |
| 20 | local section="$1" |
| 21 | |
| 22 | local server |
| 23 | config_get server "$section" hostname |
| 24 | [ -z "$server" ] && return |
| 25 | |
| 26 | local iface |
| 27 | config_get iface "$section" interface |
| 28 | [ -z "$iface" ] && iface=$IFACE_GLOBAL |
| 29 | [ -n "$iface" ] && { |
| 30 | [ "$iface" = "$INTERFACE" ] || return |
| 31 | } |
| 32 | |
| 33 | SERVERS="${SERVERS} $server"; : $((MAX++)) |
| 34 | } |
| 35 | |
| 36 | sync_time() |
| 37 | { |
| 38 | local server |
| 39 | server=$(uci_get_state "network.$INTERFACE.lease_timesrv") |
| 40 | [ -n "$server" ] && do_rdate "$server" |
| 41 | [ -n "$SYNCED" ] && return |
| 42 | |
| 43 | config_load timeserver |
| 44 | config_foreach add_server timeserver |
| 45 | |
| 46 | local servers |
| 47 | while [ $MAX -gt 0 ] && [ -z "$SYNCED" ]; do |
| 48 | unset servers; random=$(awk "BEGIN { srand(); print int(rand() * $MAX + 1); }") |
| 49 | for server in $SERVERS; do |
| 50 | [ $((--random)) -eq 0 ] && { do_rdate "$server"; continue; } |
| 51 | servers="${servers} $server" |
| 52 | done |
| 53 | SERVERS="${servers}"; : $((MAX--)) |
| 54 | done |
| 55 | |
| 56 | [ -z "$SYNCED" ] && logger -t rdate "No usable time server for $INTERFACE found" |
| 57 | } |
| 58 | |
| 59 | case "${ACTION:-ifup}" in |
| 60 | ifup) |
| 61 | sync_time |
| 62 | ;; |
| 63 | esac |
| 64 | |
