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117 lines
3.1 KiB
Tcl
117 lines
3.1 KiB
Tcl
#!/usr/bin/tclsh
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#
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# Copyright (c) 2000 by Alexander Belkin <adb@newmail.ru>
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#
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# $Id$
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#
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# Time syncronization utility
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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##################
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# Program settings
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set bforce_log_file "/var/log/bforce/bf-log.ttyS0"
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set sync_with_addr "2:450/102"
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set max_time_diff 1800
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set min_time_diff 20
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set news_groups "local.robots"
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set from_user "Time Robot <root@fido.xxx.local>"
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set inews_cmd "/usr/bin/inews"
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################################
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# The program's body starts here
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set sess_pid ""
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set remote_times ""
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set local_times ""
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set TEXT ""
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set INP [open $bforce_log_file "r"]
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foreach line [split [read $INP] "\n"] {
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set fields [split $line " "]
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set pid [lindex $fields 3]
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set time [join [lrange $fields 0 2]]
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set data [join [lrange $fields 4 end]]
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if { [string match "*Address : $sync_with_addr" $data] } {
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set sess_pid $pid
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set sess_time ""
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} elseif { [string match "*Time :*" $data] } {
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if { $sess_pid == $pid } {
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regexp "Time : (.+)" $data {} timestr
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if { $timestr != "" } {
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set sess_time $timestr
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}
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}
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} elseif { [string match "remote is*,protected" $data] } {
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if { $sess_pid == $pid } {
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if { $sess_time != "" && $time != "" } {
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lappend remote_times $sess_time
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lappend local_times $time
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}
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set sess_pid ""
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set sess_time ""
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}
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} elseif { [string match "remote is*" $data] } {
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if { $sess_pid == $pid } {
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set sess_pid ""
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set sess_time ""
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}
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}
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}
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close $INP
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set last_rem_time [lindex $remote_times end]
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set last_loc_time [lindex $local_times end]
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if { $last_rem_time != "" && $last_loc_time != "" } {
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regexp "(\[0-9]+):(\[0-9]+):(\[0-9]+)" $last_rem_time {} rh rm rs
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regexp "(\[0-9]+):(\[0-9]+):(\[0-9]+)" $last_loc_time {} lh lm ls
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set rem [expr "$rh*3600 + $rm*60 + $rs"]
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set loc [expr "$lh*3600 + $lm*60 + $ls"]
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set diff [expr "$rem - $loc"]
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if { [expr abs($diff)] < $min_time_diff } {
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# Do nothing
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} elseif { [expr abs($diff)] <= $max_time_diff } {
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set old_sec [clock seconds]
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set new_sec [expr $old_sec + $diff]
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exec /bin/date -s [clock format $new_sec -format "%d-%b-%Y %H:%M:%S"]
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exec /sbin/clock -wu
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append TEXT "The System time was synchronized with the node $sync_with_addr\n\n"
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append TEXT "Old time : [clock format $old_sec]\n"
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append TEXT "New time : [clock format $new_sec]\n"
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append TEXT "Time difference : $diff second(s)\n"
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} else {
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set old_sec [clock seconds]
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set new_sec [expr $old_sec + $diff]
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append TEXT "The System time WAS NOT synchronized with the node $sync_with_addr\n\n"
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append TEXT "Current time : [clock format $old_sec]\n"
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append TEXT "Want set time : [clock format $new_sec]\n"
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append TEXT "Time difference : $diff second(s) (must be lower $max_time_diff seconds)\n"
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}
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}
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if { $TEXT != "" } {
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set MSG "From: $from_user\n"
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append MSG "Subject: Time synchronization\n"
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append MSG "Newsgroups: $news_groups\n\n"
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append MSG $TEXT
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exec $inews_cmd -h << $MSG
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}
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exit 0
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