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From: Richard Zinar <Richard.Zinar@overture.com>
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Subject: RE: Console connections won't stay up
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FWIW - this problem was resolved by upgrading our
WTI CMS-16 console servers to the latest firmware
release (V4.0).  The older version we were running
couldn't handle more than four simultaneous connections ...
 
Richard
 

-----Original Message-----
From: Richard Zinar [mailto:Richard.Zinar@overture.com]
Sent: Tuesday, March 25, 2003 9:51 AM
To: 'users@conserver.com'
Subject: Console connections won't stay up


Hi,
 
I'm trying to get conserver (V7.2.6) working in our environment,
I have run into the following problem - as soon as I start conserver,
the consoles I'm using it to manage come down almost immediately:
 
[-- Console up -- Tue Mar 25 09:26:30 2003]
[-- Console down -- Tue Mar 25 09:26:30 2003]
 
I also noticed I'm unable to telnet into our console servers (e.g.,
wti10.admin.sc.p4pnet.net) while conserver is running.  I wouldn't 
expect to be able to access individual ports on the console server while
conserver is controlling them, but it's not clear to me why the console
server itself should become inaccessible.
 
The conserver.cf file looks as follows:
 

   LOGDIR=/var/log/consoles
   TIMESTAMP=1ha
 
   holmium   : !wti11.admin.sc.p4pnet.net :2103:&.log::1
   nitrogen  : !wti11.admin.sc.p4pnet.net :2104:&.log::1
   barium    : !wti11.admin.sc.p4pnet.net :2105:&.log::1
   fermium   : !wti11.admin.sc.p4pnet.net :2106:&.log::1
   hassium   : !wti11.admin.sc.p4pnet.net :2107:&.log::1
   uranium   : !wti11.admin.sc.p4pnet.net :2108:&.log::1
   terbium   : !wti11.admin.sc.p4pnet.net :2109:&.log::1
   thurium   : !wti11.admin.sc.p4pnet.net :2110:&.log::1
   cerium    : !wti11.admin.sc.p4pnet.net :2111:&.log::1
 
   brie      : !wti10.admin.sc.p4pnet.net :2103:&.log::1
   radon     : !wti10.admin.sc.p4pnet.net :2104:&.log::1
   cheddar   : !wti10.admin.sc.p4pnet.net :2105:&.log::1
   edam      : !wti10.admin.sc.p4pnet.net :2107:&.log::1
   titanium  : !wti10.admin.sc.p4pnet.net :2109:&.log::1
   beaufort  : !wti10.admin.sc.p4pnet.net :2111:&.log::1
   blarney   : !wti10.admin.sc.p4pnet.net :2112:&.log::1
   iridium   : !wti10.admin.sc.p4pnet.net :2113:&.log::1
   tantalum  : !wti10.admin.sc.p4pnet.net :2115:&.log::1
   astatine  : !wti10.admin.sc.p4pnet.net :2116:&.log::1
 
Any suggestions on what I might be doing wrong?  The console
servers are WTI CMS-16 units.  Thanks ...
 
Richard
 
 


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<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=876515518-01042003>FWIW - 
this problem was resolved by upgrading our</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=876515518-01042003>WTI 
CMS-16 console servers to the latest firmware</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN 
class=876515518-01042003>release (V4.0).&nbsp; The older version we were 
running</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN 
class=876515518-01042003>couldn't handle more than four simultaneous connections 
...</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN 
class=876515518-01042003></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN 
class=876515518-01042003>Richard</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN 
class=876515518-01042003></SPAN></FONT>&nbsp;</DIV>
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
  <DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma 
  size=2>-----Original Message-----<BR><B>From:</B> Richard Zinar 
  [mailto:Richard.Zinar@overture.com]<BR><B>Sent:</B> Tuesday, March 25, 2003 
  9:51 AM<BR><B>To:</B> 'users@conserver.com'<BR><B>Subject:</B> Console 
  connections won't stay up<BR><BR></FONT></DIV>
  <DIV><FONT face=Arial size=2><SPAN 
  class=037002717-25032003>Hi,</SPAN></FONT></DIV>
  <DIV><FONT face=Arial size=2><SPAN 
  class=037002717-25032003></SPAN></FONT>&nbsp;</DIV>
  <DIV><FONT face=Arial size=2><SPAN class=037002717-25032003>I'm trying to get 
  conserver (V7.2.6) working in our environment,</SPAN></FONT></DIV>
  <DIV><FONT face=Arial size=2><SPAN class=037002717-25032003>I have run into 
  the following problem - as soon as I start conserver,</SPAN></FONT></DIV>
  <DIV><FONT face=Arial size=2><SPAN class=037002717-25032003>the consoles I'm 
  using it to manage come down almost immediately:</SPAN></FONT></DIV>
  <DIV><FONT face=Arial size=2><SPAN 
  class=037002717-25032003></SPAN></FONT>&nbsp;</DIV>
  <DIV><FONT face=Arial size=2><SPAN class=037002717-25032003>[-- Console up -- 
  Tue Mar 25 09:26:30 2003]<BR>[-- Console down -- Tue Mar 25 09:26:30 
  2003]</SPAN></FONT></DIV>
  <DIV><FONT face=Arial size=2><SPAN 
  class=037002717-25032003></SPAN></FONT>&nbsp;</DIV>
  <DIV><FONT face=Arial size=2><SPAN class=037002717-25032003>I also noticed I'm 
  unable to telnet into our console servers (e.g.,</SPAN></FONT></DIV>
  <DIV><FONT face=Arial size=2><SPAN 
  class=037002717-25032003>wti10.admin.sc.p4pnet.net) while conserver is 
  running.&nbsp; I wouldn't </SPAN></FONT></DIV>
  <DIV><FONT face=Arial size=2><SPAN class=037002717-25032003>expect to be able 
  to access individual ports on the console server while</SPAN></FONT></DIV>
  <DIV><FONT face=Arial size=2><SPAN class=037002717-25032003>conserver is 
  controlling them, but it's not clear to me why the console</SPAN></FONT></DIV>
  <DIV><FONT face=Arial size=2><SPAN class=037002717-25032003>server itself 
  should become inaccessible.</SPAN></FONT></DIV>
  <DIV><FONT face=Arial size=2><SPAN 
  class=037002717-25032003></SPAN></FONT>&nbsp;</DIV>
  <DIV><FONT face=Arial size=2><SPAN class=037002717-25032003>The conserver.cf 
  file looks as follows:</SPAN></FONT></DIV>
  <DIV><FONT face=Arial size=2><SPAN 
  class=037002717-25032003></SPAN></FONT>&nbsp;</DIV>
  <DIV><FONT face=Arial size=2><SPAN class=037002717-25032003><BR>&nbsp;&nbsp; 
  LOGDIR=/var/log/consoles<BR>&nbsp;&nbsp; TIMESTAMP=1ha</SPAN></FONT></DIV>
  <DIV>&nbsp;</DIV>
  <DIV><FONT face=Arial size=2><SPAN class=037002717-25032003>&nbsp;&nbsp; 
  holmium&nbsp;&nbsp; : !wti11.admin.sc.p4pnet.net 
  :2103:&amp;.log::1<BR>&nbsp;&nbsp; nitrogen&nbsp; : !wti11.admin.sc.p4pnet.net 
  :2104:&amp;.log::1<BR>&nbsp;&nbsp; barium&nbsp;&nbsp;&nbsp; : 
  !wti11.admin.sc.p4pnet.net :2105:&amp;.log::1<BR>&nbsp;&nbsp; 
  fermium&nbsp;&nbsp; : !wti11.admin.sc.p4pnet.net 
  :2106:&amp;.log::1<BR>&nbsp;&nbsp; hassium&nbsp;&nbsp; : 
  !wti11.admin.sc.p4pnet.net :2107:&amp;.log::1<BR>&nbsp;&nbsp; 
  uranium&nbsp;&nbsp; : !wti11.admin.sc.p4pnet.net 
  :2108:&amp;.log::1<BR>&nbsp;&nbsp; terbium&nbsp;&nbsp; : 
  !wti11.admin.sc.p4pnet.net :2109:&amp;.log::1<BR>&nbsp;&nbsp; 
  thurium&nbsp;&nbsp; : !wti11.admin.sc.p4pnet.net 
  :2110:&amp;.log::1<BR>&nbsp;&nbsp; cerium&nbsp;&nbsp;&nbsp; : 
  !wti11.admin.sc.p4pnet.net :2111:&amp;.log::1</SPAN></FONT></DIV>
  <DIV>&nbsp;</DIV>
  <DIV><FONT face=Arial size=2><SPAN class=037002717-25032003>&nbsp;&nbsp; 
  brie&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; : !wti10.admin.sc.p4pnet.net 
  :2103:&amp;.log::1<BR>&nbsp;&nbsp; radon&nbsp;&nbsp;&nbsp;&nbsp; : 
  !wti10.admin.sc.p4pnet.net :2104:&amp;.log::1<BR>&nbsp;&nbsp; 
  cheddar&nbsp;&nbsp; : !wti10.admin.sc.p4pnet.net 
  :2105:&amp;.log::1<BR>&nbsp;&nbsp; edam&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; : 
  !wti10.admin.sc.p4pnet.net :2107:&amp;.log::1<BR>&nbsp;&nbsp; titanium&nbsp; : 
  !wti10.admin.sc.p4pnet.net :2109:&amp;.log::1<BR>&nbsp;&nbsp; beaufort&nbsp; : 
  !wti10.admin.sc.p4pnet.net :2111:&amp;.log::1<BR>&nbsp;&nbsp; 
  blarney&nbsp;&nbsp; : !wti10.admin.sc.p4pnet.net 
  :2112:&amp;.log::1<BR>&nbsp;&nbsp; iridium&nbsp;&nbsp; : 
  !wti10.admin.sc.p4pnet.net :2113:&amp;.log::1<BR>&nbsp;&nbsp; tantalum&nbsp; : 
  !wti10.admin.sc.p4pnet.net :2115:&amp;.log::1<BR>&nbsp;&nbsp; astatine&nbsp; : 
  !wti10.admin.sc.p4pnet.net :2116:&amp;.log::1</SPAN></FONT></DIV>
  <DIV><FONT face=Arial size=2><SPAN 
  class=037002717-25032003></SPAN></FONT>&nbsp;</DIV>
  <DIV><FONT face=Arial size=2><SPAN class=037002717-25032003>Any suggestions on 
  what I might be doing wrong?&nbsp; The console</SPAN></FONT></DIV>
  <DIV><FONT face=Arial size=2><SPAN class=037002717-25032003>servers are WTI 
  CMS-16 units.&nbsp; Thanks ...</SPAN></FONT></DIV>
  <DIV><FONT face=Arial size=2><SPAN 
  class=037002717-25032003></SPAN></FONT>&nbsp;</DIV>
  <DIV><FONT face=Arial size=2><SPAN 
  class=037002717-25032003>Richard</SPAN></FONT></DIV>
  <DIV><FONT face=Arial size=2><SPAN 
  class=037002717-25032003></SPAN></FONT>&nbsp;</DIV>
  <DIV><FONT face=Arial size=2><SPAN 
class=037002717-25032003>&nbsp;</DIV></BLOCKQUOTE></SPAN></FONT></BODY></HTML>

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From Richard.Zinar@overture.com Wed Apr  2 15:23:49 2003
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I've seen references to an sshconsole script - e.g.
 
http://www.dice.informatics.ed.ac.uk/doc/comp/dice-conserver-client/
sshconsole.1.html 
 
But I can't locate a copy of the script itself.   Does someone 
have a copy of the script, or can someone point me to a site
where I can obtain it?   Thanks ....
 
Richard
 

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<DIV><SPAN class=655502023-02042003><FONT face=Arial size=2>I've seen references 
to an sshconsole script - e.g.</FONT></SPAN></DIV>
<DIV><SPAN class=655502023-02042003><FONT face=Arial 
size=2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=655502023-02042003><FONT face=Arial size=2>http://<FONT 
color=#008000>www.dice.informatics.ed.ac.uk/doc/comp/dice-conserver-client/ 
sshconsole.1.html </FONT></FONT></SPAN></DIV>
<DIV><SPAN class=655502023-02042003><FONT face=Arial color=#008000 
size=2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=655502023-02042003><FONT face=Arial color=#008000 size=2>But I 
can't locate a copy of the script itself.&nbsp;&nbsp; Does someone 
</FONT></SPAN></DIV>
<DIV><SPAN class=655502023-02042003><FONT face=Arial color=#008000 size=2>have a 
copy of the script, or can someone point me to a site</FONT></SPAN></DIV>
<DIV><SPAN class=655502023-02042003><FONT face=Arial color=#008000 size=2>where 
I can obtain it?&nbsp;&nbsp; Thanks ....</FONT></SPAN></DIV>
<DIV><SPAN class=655502023-02042003><FONT face=Arial color=#008000 
size=2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=655502023-02042003><FONT face=Arial color=#008000 
size=2>Richard</FONT></SPAN></DIV>
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From iainr@inf.ed.ac.uk Thu Apr  3 01:39:07 2003
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Richard Zinar wrote:
> I've seen references to an sshconsole script - e.g.
>  
> http://www.dice.informatics.ed.ac.uk/doc/comp/dice-conserver-client/ 
> sshconsole.1.html
>  
> But I can't locate a copy of the script itself.   Does someone
> have a copy of the script, or can someone point me to a site
> where I can obtain it?   Thanks ....
>  
> Richard
>  
> 
> 
> ------------------------------------------------------------------------
> 
> _______________________________________________
> users mailing list
> users@conserver.com
> https://www.conserver.com/mailman/listinfo/users


It's site specific but you can probably hack it around to work. 
Basically it needs a list of conserver servers to search, we use a 
locally designed configuration system called lcfg. you could use a file 
or I have an older version that had that info deployed via nis maps.






-- 
Iain Rae			Tel:01316505202
Computing Officer		JCMB:2418
School of Informatics
The University of Edinburgh

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 name="sshconsole"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline;
 filename="sshconsole"

#!/usr/bin/perl   -w
#
# $Header: /home/iainr/work/CVS/sshconsole/sshconsole,v 1.17 2002/05/06 09:47:55 iainr Exp $
# $Author: iainr $
# $Date: 2002/05/06 09:47:55 $ 
# $State: Exp $
#
# Revision Log
# $Log: sshconsole,v $
# Revision 1.17  2002/05/06 09:47:55  iainr
# added check for uid=0
#
# Revision 1.16  2002/04/22 16:37:25  iainr
# scanhosts gets to be usr/sbin
#
# Revision 1.15  2002/04/22 15:58:36  iainr
# rewrote the sshconsole script to connect to one server and scan all of them
# added scanhosts script for deployment on server
#
# Revision 1.14  2002/02/08 17:35:57  iainr
# removed reliance on shinynewlcfg, fixed problem with qxprof output change
#
# Revision 1.13  2001/10/18 09:30:47  iainr
# tidied up the -u type options a bit
#
# Revision 1.12  2001/10/12 13:53:32  iainr
# fix ssh for suns
#
# Revision 1.11  2001/10/12 09:46:24  iainr
# fiddled with a couple of things to do with shinynewlcfg
#
# Revision 1.10  2001/10/10 15:00:25  iainr
# removed all reliance on yp apart from one ypmatch which is needed
# for backwards comaptibility on non ngclient hosts
#
# Revision 1.9  2001/10/10 14:58:47  iainr
# fixed a few bugs, now drop
#
# Revision 1.8  2001/04/23 13:26:53  iainr
# now we check for ssh binary
#
# Revision 1.7  2001/04/06 09:23:38  iainr
# tidied up the error handling and program output a bit.
#
# Revision 1.6  2001/03/14 17:09:18  iainr
# added check for existance of conserver.inf file
#
# Revision 1.5  2001/03/14 16:36:46  iainr
# changed tag for serial ports to conerver.serial_
# to match change to make lcfg a bit more sensible
#
# Revision 1.4  2001/03/14 10:08:04  iainr
# Finished the arguemtn handling and it all seems to work, will call this one
# a first release
#
# Revision 1.3  2001/03/13 19:01:30  iainr
# can now work out which server the host we want to connect to is on
# and do some sensible parsing of the arguments
#
# Revision 1.2  2001/03/12 18:59:54  iainr
# testing updates and have actually written a bit
#
# Revision 1.1.1.1  2001/03/12 18:22:25  iainr
# initial import of sshconsole into CVS
#

use diagnostics;
use strict;
use vars qw($opt_a $opt_A $opt_b $opt_d $opt_D $opt_e $opt_f $opt_F $opt_M $opt_r $opt_s $opt_S $opt_u $opt_v $opt_V $opt_w $opt_x); 
use Getopt::Std;
my $args="";
my $host="";
my $console_server="unset";
my $signo;
my $conserverconf="/etc/conserver.inf";
my $allservers="allservers";
my @serverlist;
my @reversed;
my $error;
my $filler;
my $foo;
my $ssh;
my $sunssh="/usr/local/bin/ssh";
my $linuxssh="/usr/bin/ssh";
my $qxprof="/usr/bin/qxprof";
#
# Process the arguments and build up an argument list for the 
# console command which will be run o the server
#
sub proc_args {
my $args="";
my $interactive=1;
#
# there MUST be a nicer way of doing this
#
	if ($opt_b){
		$args="$args -b \"$opt_b\"";	
		$interactive=0;
	}
	if ($opt_D && !($opt_d)) {
		$args="$args -D ";	
		$interactive=0;
	}

	if ($opt_d) {
		$args="$args -d ";	
		$interactive=0;
	}
		if ($opt_u){
		$args="$args -u ";	
		$interactive=0;
	}
	if ($opt_V){
		$args="$args -V ";
		$interactive=0;
	}
	if ($opt_w){
		$args="$args -w ";
		$interactive=0;
	}
	if ($opt_x){
		$args="$args -x ";
		$interactive=0;
	}
	if ($interactive) {

		if ((!$opt_a) && (!$opt_f) && (!$opt_s)) {
			$args="$args -A ";
		}
		if ($opt_a){
			$args="$args -a ";
		}
		if ($opt_f && !($opt_F)) {
			 $args="$args -f ";
		}

		if ($opt_F) {
			$args="$args -F ";
		}
		if ($opt_s && !($opt_S)) {
			 $args="$args -s ";
		}

		if ($opt_S) {
			$args="$args -S ";
		}
		if ($opt_r) {
			$args="$args -r";
		}
		if ($opt_e) {
			$args="$args -e \"$opt_e\"";
		}

	}

	return $args





}

#
# 
sub which_server {
my $hostname="";
my $count=0;
my $interactive=0;
	if ( $#ARGV == 0){
		$hostname=$ARGV[0];
	}else {
		$hostname=$allservers;
	}
	return $hostname;
	
}

sub get_console {
my $lcfg="";
my $serials;
my $grepline;
my $string="conserver.serial_";
my @line;
my $key;
my $pid;
my $count=0;
my $conserver="unconsolable";
my $hostname=shift (@_);
my $index;
#for each server listed in conserver.servers
#	LINE: foreach $key (@serverlist) {
#		print "Checking $key\n";
#		$pid=open(README, "$ssh -x -t $key /usr/bin/console -M localhost -u |");
#		while (<README>) {
#			chomp;
#			@line=split /\s+/, $_;
#			if ($line[1] eq $hostname){
#				if ($conserver eq "unconsolable") {
#					$conserver=$key;
#				}
#				else {
#					print "multiple instances of $hostname found on $conserver and $key, aborting\n";
#					exit 1;
#				}
#			}
#		}		
#		close (README);
#		
#		next LINE;
#	};


	$index=0; 
	while ( $conserver eq "unconsolable" && $index <= $#serverlist ) {

		
		$pid=open(README, "$ssh -x -t $serverlist[$index] /usr/sbin/scanhosts $hostname  2> /dev/null | ");

		while (<README>){
			#chomp;
			@line=split /:/, $_;
			if ( $line[0] eq "found"){
				$conserver=$line[1];
				chomp($conserver);
			}
		}	
	close README;
		$index++;	
	};
	# so we do an ugly hack and see if conserver is still the default
	if ($conserver eq "unconsolable"){
		print "didn't find anything in maps, falling back to config file\n";
		open (README, "< $conserverconf") or die "$conserverconf does not exist\n";
		close (README);
		open (README, "/bin/grep $hostname $conserverconf |") or die "Can't find grep .... damn it was here a minute ago\n";
		$count=0;
		while(<README>){
			$grepline=$_;
			$count+=1;
		}
		if ($count < 0) {
			die "I found a -ve number of entries for $hostname in   $conserverconf something really bad has happened\n";
		}	
		if ($count > 1) { 
			die "found more than one entry for $hostname in $conserverconf, please check config file\n"; 
		}
		if ( $count == 0 ){
		die "cound not find entry for $hostname in $conserverconf\n"; 
		}
		@line=split /:/,$grepline;
		$conserver=$line[0];
		close README;
	}	
	return $conserver;
}


#
#Main part of script
#
#


getopts('aAb:dDe:fFM:qQrsSuvVwx');
$args=proc_args();
$host=which_server;
if ($< eq 0){
 	print "cannot run as root\n";
	exit 1;
}
#
# ssh is either in /bin/ssh (linux) or /usr/local/bin/ssh (sun)
# we could go looking for it ourselves but we don't know what we'll
# find so let's just check those places
#

if (-f $sunssh) { 
	$ssh=$sunssh;
}
elsif ( -f $linuxssh) {
	$ssh=$linuxssh;
}
else {
	print "cannot find ssh binary\n";
	exit;
}
if ( -e $qxprof ) {
	@serverlist=split /\s+/,`/usr/bin/qxprof -a conserver.servers`;
	
#temp ugli hack for first batch of ngclient pcs
	if ( $serverlist[0] eq "conserver.servers:"){
		@reversed=reverse @serverlist;
		$#reversed--;
		@serverlist=@reversed
	}
	else {
		$serverlist[0] =~ s/servers=//;
	}
	print "Scanning servers for console, please wait\n";
	if ($serverlist[0] eq "<undef>"){
		print "could not find any servers to check\n";
		exit 1;
	}
}else {
	print "Can't find $qxprof Using lcfg NIS map\n";
	@serverlist=split /\s+/,`/usr/bin/ypmatch  *.conserver.servers lcfg`;
}

if ($host eq $allservers ){
#get list of all servers	
		
	print "servers are:@serverlist\n";	
	foreach $console_server (@serverlist) {
		chomp($console_server);
		print "Hosts connected to $console_server.\n";
		if (($signo = system($ssh,"-t","$console_server","/usr/bin/console -M localhost $args"))&= 127) {
			die "program killed by signal $signo\n";
		}
	}
}
else {
	#get host to connect to
	eval {$console_server=get_console($host, @serverlist) };
	if ($@ && $@ =~ /get_console/) {
		print"Cannot determine console server because:\n";
		($filler, $error, $filler) = split /^/m, $@, 3;
		print $error;
		print "Terminating\n";
		exit;
	}
print "connecting to $host on $console_server\n";

	if (($signo = system($ssh,"-t","$console_server","/usr/bin/console -M localhost $args $host")) &= 127) {
		die "program killed by signal $signo\n";
	}
}

--------------090706040005060000060602--

From bryan@stansell.org Thu Apr  3 10:49:14 2003
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Date: Thu, 3 Apr 2003 10:49:13 -0800
From: Bryan Stansell <bryan@conserver.com>
To: users@conserver.com
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i just upgraded to openssl-0.9.7a and found that conserver-7.2.6 won't
compile now (the client, specifically).  i'm on solaris 8, but this may
apply to others as well.  i get:

    In file included from ../compat.h:169,
		     from console.c:48:
    /usr/include/crypt.h:22: parse error before '(' token
    /usr/include/crypt.h:22: parse error before "const"

the fix is to rearrange the #includes in console/console.c.  move the
openssl includes down a few lines so that it's below version.h:

    #include <version.h>

    #if HAVE_OPENSSL
    #include <openssl/ssl.h>
    #include <openssl/err.h>
    #endif

just wanted to warn folks if you see something similar.  7.2.7 will
have this fix.

Bryan
From bryan@stansell.org Wed Apr  9 08:40:07 2003
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There are quite an array of changes in 7.2.7.  None of it was much of a
major rewite, but key pieces of code did change to fix bugs and add
functionality.  As with every release, I have my fingers crossed hoping
I didn't break something - let me know if I did.  Here's the complete
list of changes for you to look at:

version 7.2.7 (Apr 9, 2003):
	- added test suite ('make test') for basic client/server
	  communication tests
	- changed configure script to provide better checking of options,
	  hp-ux specifics, and functions
	- console names are no longer case-sensitive
	- fixed case-sensitive DNS name comparisons - reported by
	  Peter Chubb <peter@chubb.wattle.id.au> via Jorgen Hagg
	  <jorgen.hagg@axis.com>
	- added dmalloc and openssl version numbers to -V output
	- reordered includes for openssl-0.9.7a compatibility
	- conserver.rc looks at pidfile to find the master pid - suggested
	  by Petter Reinholdtsen <petter.reinholdtsen@usit.uio.no>
	- misplaced code regarding --with-regex - patch by Andreas Wrede
	  <andreas@planix.com>
	- added password support for HP-UX trusted systems - immense
	  help by Greg Brown <gregb_ka6max@hotmail.com>
	- potential SIGUSR1 bug where cached terminal server availability
	  wasn't being cleared correctly - reported by Dave Stuit
	  <djs@tellme.com>
	- server is now more forgiving about errors instead of just
	  giving up and shutting everything down
	- consoles that have trouble coming up (and are forced down)
	  now log when they come back up - suggested by Dave Stuit
	  <djs@tellme.com>

Bryan Stansell
From hanksdc@about-inc.com Fri Apr 18 09:49:16 2003
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From: Daniel Hanks <hanksdc@about-inc.com>
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Hi there,

Just found conserver yesterday, have it built and running. It's fabulous so far, but I have just run into one issue. I'm using conserver to serve up serial console sessions from our console host. I have found that I run into problems however, if I have more than two lines in conserver.cf that correspond to the same serial port. For example, if I have the following:

host1:/dev/ttyD001:9600p:/dev/null:
host1_alias1:/dev/ttyD001:9600p:/dev/null:
host1_alias2:/dev/ttyD001:9600p:/dev/null:

Trying to make a serial connection to this host via conserver results in lines like this going to the log:

[Fri Apr 18 09:29:35 2003] conserver (30590): ERROR: [host1] lost carrier (/dev/ttyD003)
[Fri Apr 18 09:29:35 2003] conserver (30590): [host1] automatic reinitialization

Is having more than one line corresponding to a port possible?

Thanks for any input.

-- Dan
========================================================================
   Daniel Hanks - Systems/Database Administrator
   About Inc., Web Services Division
========================================================================
From bryan@stansell.org Fri Apr 18 14:01:51 2003
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nope, every console entry in the cf file is opened and managed, so if
you point at the same device file or socket on a terminal server,
whichever console happens to come up first will grab the port and the
others will fail.

i'm kinda wondering, why do you want to reference the same port more
than once?  is it just so folks can say 'console host1' and 'console
host1_alias1' and get the same console?  if that's it, the idea is on
the TODO list (see the TODO file for the full list).  if not, what are
you trying to accomplish?

glad to hear things seem good aside from this.

Bryan

On Fri, Apr 18, 2003 at 10:49:18AM -0600, Daniel Hanks wrote:
> Hi there,
> 
> Just found conserver yesterday, have it built and running. It's
> fabulous so far, but I have just run into one issue. I'm using
> conserver to serve up serial console sessions from our console host. I
> have found that I run into problems however, if I have more than two
> lines in conserver.cf that correspond to the same serial port. For
> example, if I have the following:
> 
> host1:/dev/ttyD001:9600p:/dev/null:
> host1_alias1:/dev/ttyD001:9600p:/dev/null:
> host1_alias2:/dev/ttyD001:9600p:/dev/null:
> 
> Trying to make a serial connection to this host via conserver results in lines like this going to the log:
> 
> [Fri Apr 18 09:29:35 2003] conserver (30590): ERROR: [host1] lost carrier (/dev/ttyD003)
> [Fri Apr 18 09:29:35 2003] conserver (30590): [host1] automatic reinitialization
> 
> Is having more than one line corresponding to a port possible?
> 
> Thanks for any input.
> 
> -- Dan
> ========================================================================
>    Daniel Hanks - Systems/Database Administrator
>    About Inc., Web Services Division
> ========================================================================
From hanksdc@about-inc.com Fri Apr 18 14:58:32 2003
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On Fri, 18 Apr 2003, Bryan Stansell wrote:

> nope, every console entry in the cf file is opened and managed, so if
> you point at the same device file or socket on a terminal server,
> whichever console happens to come up first will grab the port and the
> others will fail.

Ok, figured as much.

> 
> i'm kinda wondering, why do you want to reference the same port more
> than once?  is it just so folks can say 'console host1' and 'console
> host1_alias1' and get the same console?  if that's it, the idea is on
> the TODO list (see the TODO file for the full list).  if not, what are
> you trying to accomplish?
> 
Yeah, basically.

We manage upwards of 100 boxes. Sometimes it's nice to be able to refer to them by hostname (www.foo.com), sometimes it's nice to refer to them by their physical location (r1m2 (rack 1, machine 2)), and sometimes it's nice to refer to them by the serial port number that connects to them (such as when we're installing them and they don't have a hostname yet...). Just for convenience sake (kinda like 'views').

It would just be nice to be able to refer to a given port by more than one name.

> glad to hear things seem good aside from this.
> 
Very pleased so far.

-- Dan
========================================================================
   Daniel Hanks - Systems/Database Administrator
   About Inc., Web Services Division
========================================================================
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Is anyone on the list using TDI ConsoleWorks and can give a slight
review?  We have a client that is looking on integrating our hardware
plus TDI.

Thanks,
Chris



From brandon.a.saunders.1@ohio.edu Thu Apr 24 12:01:20 2003
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From: Brandon Saunders <brandon.a.saunders.1@ohio.edu>
To: ConServer Users Mailing List <users@conserver.com>
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--==========1691542778==========
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I have finally gotten back around to this problem.  Thanks to those who=20
responded to my original message, the comments were helpful.

I have found that the open and close will work, but only if I manually set=20
the hupcl option with stty.  Conserv appears to be rewriting the stty=20
config on each open and does not set hupcl.  Does anyone have any=20
suggestions for making that change permanent?

Thank You

Brandon Saunders
Senior Network Engineer
Ohio University Communication Network Services
Email: brandon.a.saunders.1@ohiou.edu


--On Friday, February 14, 2003 04:55:33 PM -0500 "Greg A. Woods"=20
<woods@weird.com> wrote:

> [ On Friday, February 14, 2003 at 16:15:03 (-0500), Brandon Saunders
> wrote: ]
>> Subject: Hangup command
>>
>> I have a piece of telephone equipment that I have hooked up to my
>> conserver  which needs conserver to close (hangup) the serial interface
>> when the user  logs out.
>
> You probably can't easily do it automatically, but yes from the console
> client you can "down a console" (^Ecd).  IIRC that should close the TTY.
>
> When someone re-connects I think they'll have to "(re)open the tty and
> log file" too of course...
>
>>  I have scoured through the man pages and cannot find anything.
>> I have tried sending the down command and then re-opening the
>> connection,  but that is not producing the signaling needed by the
>> device to terminate  the shell that it operates.
>
> Well in that case you have a problem with the (default?) STTY settings
> for the port and/or hardware wiring for that port.  Does it work
> correctly if you kill conserver and then use "cu" to connect to the port?
>
> Closing a TTY on a unix-like system will normally do the right thing,
> assuming the port is configured properly and the wiring is done
> correctly.
>
> On some unix-like systems, such as NetBSD, it's important to have the
> correct default TTY flags set for the port on system boot in order to
> ensure the correct signalling will be generated by the tty driver.  See
> ttyflags(8) and ttys(5) on a NetBSD system, for example.
>
> --
> 								Greg A. Woods
>
> +1 416 218-0098;            <g.a.woods@ieee.org>;
> <woods@robohack.ca> Planix, Inc. <woods@planix.com>; VE3TCP; Secrets of
> the Weird <woods@weird.com>
> _______________________________________________
> users mailing list
> users@conserver.com
> https://www.conserver.com/mailman/listinfo/users




--==========1691542778==========
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-----END PGP SIGNATURE-----

--==========1691542778==========--

From cfowler@outpostsentinel.com Thu Apr 24 12:06:15 2003
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From: Christopher Fowler <cfowler@outpostsentinel.com>
To: Brandon Saunders <brandon.a.saunders.1@ohio.edu>
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Modify the source


On Thu, 2003-04-24 at 14:46, Brandon Saunders wrote:
> I have finally gotten back around to this problem.  Thanks to those who 
> responded to my original message, the comments were helpful.
> 
> I have found that the open and close will work, but only if I manually set 
> the hupcl option with stty.  Conserv appears to be rewriting the stty 
> config on each open and does not set hupcl.  Does anyone have any 
> suggestions for making that change permanent?
> 
> Thank You
> 
> Brandon Saunders
> Senior Network Engineer
> Ohio University Communication Network Services
> Email: brandon.a.saunders.1@ohiou.edu
> 
> 
> --On Friday, February 14, 2003 04:55:33 PM -0500 "Greg A. Woods" 
> <woods@weird.com> wrote:
> 
> > [ On Friday, February 14, 2003 at 16:15:03 (-0500), Brandon Saunders
> > wrote: ]
> >> Subject: Hangup command
> >>
> >> I have a piece of telephone equipment that I have hooked up to my
> >> conserver  which needs conserver to close (hangup) the serial interface
> >> when the user  logs out.
> >
> > You probably can't easily do it automatically, but yes from the console
> > client you can "down a console" (^Ecd).  IIRC that should close the TTY.
> >
> > When someone re-connects I think they'll have to "(re)open the tty and
> > log file" too of course...
> >
> >>  I have scoured through the man pages and cannot find anything.
> >> I have tried sending the down command and then re-opening the
> >> connection,  but that is not producing the signaling needed by the
> >> device to terminate  the shell that it operates.
> >
> > Well in that case you have a problem with the (default?) STTY settings
> > for the port and/or hardware wiring for that port.  Does it work
> > correctly if you kill conserver and then use "cu" to connect to the port?
> >
> > Closing a TTY on a unix-like system will normally do the right thing,
> > assuming the port is configured properly and the wiring is done
> > correctly.
> >
> > On some unix-like systems, such as NetBSD, it's important to have the
> > correct default TTY flags set for the port on system boot in order to
> > ensure the correct signalling will be generated by the tty driver.  See
> > ttyflags(8) and ttys(5) on a NetBSD system, for example.
> >
> > --
> > 								Greg A. Woods
> >
> > +1 416 218-0098;            <g.a.woods@ieee.org>;
> > <woods@robohack.ca> Planix, Inc. <woods@planix.com>; VE3TCP; Secrets of
> > the Weird <woods@weird.com>
> > _______________________________________________
> > users mailing list
> > users@conserver.com
> > https://www.conserver.com/mailman/listinfo/users
> 
> 
> 
> ----
> 

> _______________________________________________
> users mailing list
> users@conserver.com
> https://www.conserver.com/mailman/listinfo/users


From bryan@stansell.org Thu Apr 24 14:20:07 2003
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since that was less than helpful, i'll mention that to actually modify
the source all you should have to do is edit conserver/consent.c and
"fix" the parity[] array.  basically, you have a list of {symbol, flags
that get set, flags that get cleared} tuples.  just add 'HUPCL' to the
'flags that get set' part of any symbols you'd like to use.  so, as an
example, you'll see:

    {'n', CS8, 0}

you'll want to make that

    {'n', CS8 | HUPCL, 0}

and you'll want to do that for the other ones in the list as well,
probably.  that list is really two lists, one for termios systems and
one for termio systems.  this pointer should work for the termios
systems and part of the list (the #if HAVE_TERMIOS_H section).  i
haven't looked into the termio piece since i'm assuming most folks have
termios-based systems.

and if you really wanted to get crazy you could create a new symbol and
use that in the config file for consoles you want to have HUPCL take
effect and the original symbols for non-HUPCL consoles.  anyway, i hope
this is enough to get you going and have things work.  if you run into
problems or have questions, feel free to post to the list or send me
email directly.

Bryan

On Thu, Apr 24, 2003 at 03:08:03PM -0400, Christopher Fowler wrote:
> Modify the source
> 
> 
> On Thu, 2003-04-24 at 14:46, Brandon Saunders wrote:
> > I have finally gotten back around to this problem.  Thanks to those who 
> > responded to my original message, the comments were helpful.
> > 
> > I have found that the open and close will work, but only if I manually set 
> > the hupcl option with stty.  Conserv appears to be rewriting the stty 
> > config on each open and does not set hupcl.  Does anyone have any 
> > suggestions for making that change permanent?
> > 
> > Thank You
> > 
> > Brandon Saunders
> > Senior Network Engineer
> > Ohio University Communication Network Services
> > Email: brandon.a.saunders.1@ohiou.edu
From brandon.a.saunders.1@ohio.edu Thu Apr 24 16:43:12 2003
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Date: Thu, 24 Apr 2003 19:42:16 -0400
From: Brandon Saunders <brandon.a.saunders.1@ohio.edu>
To: Bryan Stansell <bryan@conserver.com>,
   Conserver Users Mailing List <users@conserver.com>
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Subject: Re: Hangup command
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--==========00339603==========
Content-Type: text/plain; charset=us-ascii; format=flowed
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Brian,

Thank you very much.

Brandon

--On Thursday, April 24, 2003 2:20 PM -0700 Bryan Stansell=20
<bryan@conserver.com> wrote:

> since that was less than helpful, i'll mention that to actually modify
> the source all you should have to do is edit conserver/consent.c and
> "fix" the parity[] array.  basically, you have a list of {symbol, flags
> that get set, flags that get cleared} tuples.  just add 'HUPCL' to the
> 'flags that get set' part of any symbols you'd like to use.  so, as an
> example, you'll see:
>
>     {'n', CS8, 0}
>
> you'll want to make that
>
>     {'n', CS8 | HUPCL, 0}
>
> and you'll want to do that for the other ones in the list as well,
> probably.  that list is really two lists, one for termios systems and
> one for termio systems.  this pointer should work for the termios
> systems and part of the list (the #if HAVE_TERMIOS_H section).  i
> haven't looked into the termio piece since i'm assuming most folks have
> termios-based systems.
>
> and if you really wanted to get crazy you could create a new symbol and
> use that in the config file for consoles you want to have HUPCL take
> effect and the original symbols for non-HUPCL consoles.  anyway, i hope
> this is enough to get you going and have things work.  if you run into
> problems or have questions, feel free to post to the list or send me
> email directly.
>
> Bryan
>
> On Thu, Apr 24, 2003 at 03:08:03PM -0400, Christopher Fowler wrote:
>> Modify the source
>>
>>
>> On Thu, 2003-04-24 at 14:46, Brandon Saunders wrote:
>> > I have finally gotten back around to this problem.  Thanks to those
>> > who  responded to my original message, the comments were helpful.
>> >
>> > I have found that the open and close will work, but only if I manually
>> > set  the hupcl option with stty.  Conserv appears to be rewriting the
>> > stty  config on each open and does not set hupcl.  Does anyone have
>> > any  suggestions for making that change permanent?
>> >
>> > Thank You
>> >
>> > Brandon Saunders
>> > Senior Network Engineer
>> > Ohio University Communication Network Services
>> > Email: brandon.a.saunders.1@ohiou.edu
> _______________________________________________
> users mailing list
> users@conserver.com
> https://www.conserver.com/mailman/listinfo/users




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From cfowler@outpostsentinel.com Fri Apr 25 13:01:37 2003
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--=-tCcbBQnUSE2weEPLFMkb
Content-Type: text/plain
Content-Transfer-Encoding: 7bit

Don't say I don't give anything back :)

Someone mod this to support all command line options.  And clean it
up a bit.





--=-tCcbBQnUSE2weEPLFMkb
Content-Disposition: attachment; filename=console.pl
Content-Transfer-Encoding: quoted-printable
Content-Type: text/x-perl; name=console.pl; charset=ISO-8859-1

#!/usr/bin/perl


sub cpanMirrorSpeak {
	my $mod =3D $_[0];
	die <<EOT;
You don't have  $mod installed. Please install a copy from your
favourite CPAN mirror.

perl -MCPAN -e 'install( "$mod" )'
EOT
}

eval { require POSIX; };
if( $@ ) {
	cpanMirrorSpeak("POSIX");
}

eval { require IO::Socket; };
if( $@ ) {
	cpanMirrorSpeak("IO::Socket");
}

eval { require Getopt::Std; };
if( $@ ) {
	cpanMirrorSpeak("Getopt::Std");
}

eval { require IO::Select; };
if( $@ ) {
	cpanMirrorSpeak("IO::Select");
}

use Getopt::Std;
use POSIX;
use IO::Socket;
use IO::Select;
use strict;

# Static variables
my $USER;
my $SERVER;
my $CONSOLE;


# Commands
my $CMD_LOGIN 	=3D "=05c;";


sub console_syntax {
	die "$0 [-h] -s <server> -u <user> <console>\n";
}

sub console_pArgs {
	console_syntax() unless (getopts("s:u:h"));
	console_syntax() if not $Getopt::Std::opt_s;
	console_syntax() if not $Getopt::Std::opt_u;
	console_syntax() if $Getopt::Std::opt_h;
	console_syntax() if not @ARGV;

	$USER =3D $Getopt::Std::opt_u;
	$SERVER =3D $Getopt::Std::opt_s;
	$CONSOLE =3D $ARGV[0];

	return;
}

#
# Implement enough of the portcommander protocol
# to attach to the required console (or die trying),
# return the live socket.
#
sub connect_console {

	my $SERVER  =3D $_[0];
	my $CONSOLE =3D $_[1];
	my $USER    =3D $_[2];
	my $PASS    =3D $_[3];
	#
	# Create the socket to the main server
	# We'll recoeve a port number then connect to secondary
	# server for console data
	#
	my $sock =3D new IO::Socket::INET (PeerAddr =3D> $SERVER,
								 PeerPort =3D> 782,
								 Proto =3D> 'tcp',) or=20
								 return -1;
=09
	# We do not want buffered output to socket
	$sock->autoflush();

	($_ =3D <$sock>) ;
	return -1 unless /ok/ ;

	# Specify console name
	print $sock "call:$CONSOLE\n";

	# Only valid reply is a port number,
	# stick that in $1.
	($_ =3D <$sock>);
	return -1  unless /^(\d+)/ ;

	close($sock);


	$sock =3D new IO::Socket::INET (PeerAddr =3D> $SERVER,
								 PeerPort =3D> $1,
								 Proto =3D> 'tcp',) or
		return -1;

	$sock->autoflush();
	setsockopt($sock, SOL_SOCKET, SO_KEEPALIVE, 1);

	($_ =3D <$sock>) ;
	return unless /ok/ ;

	# tell server we wish to log in
	print $sock $CMD_LOGIN;

	# TODO: test reply.
	($_ =3D <$sock>) ;

	# specify user name
	print $sock "$USER\n";
	($_ =3D <$sock>) ;

	if (/^host:/) {
		print $sock "$CONSOLE\n";

		#TODO
		#validate we are connected
		#to the console
		($_ =3D <$sock>) ;
	}

	if (/^passwd:/) {
		print "Enter $USER\@$SERVER\'s password: ";
		$PASS =3D getPassword();
		print $sock "$PASS\n";

		($_ =3D <$sock>) ;
		return -1 if (/Sorry/) ;
	}

	return $sock ;
}

sub getPassword {

	\*STDOUT->flush();
	\*STDIN->autoflush();

	my $t1 =3D POSIX::Termios->new;
	my $t2 =3D POSIX::Termios->new;
	$t1->getattr();
	$t2->getattr();

	my $c_lflag =3D $t1->getlflag();
	$t1->setlflag($c_lflag &=3D ~&POSIX::ECHO);
	$t1->setattr( 0, &POSIX::TCSANOW );

	my $pass;
	$pass =3D <STDIN>;
	chomp($pass);
	$t2->setattr( 0, &POSIX::TCSANOW );

	print "\n";

	return $pass;
}


# Main
#
my $cCon;

console_pArgs();
if(( $cCon =3D connect_console($SERVER, $CONSOLE, $USER, "password")) =3D=
=3D -1) {
	die "Could not connect to console!\n";
}

print "[Enter `^Ec?' for help]\n";
\*STDOUT->flush();







sub cfmakeraw {
	my $tty =3D $_[0];
	$tty->getattr();
	my $c_iflag =3D $tty->getiflag();
	my $c_oflag =3D $tty->getoflag();
	my $c_lflag =3D $tty->getlflag();
	my $c_cflag =3D $tty->getcflag();
	$tty->setiflag($c_iflag &=3D ~&POSIX::IGNBRK);
	$tty->setiflag($c_iflag &=3D ~&POSIX::BRKINT);
	$tty->setiflag($c_iflag &=3D ~&POSIX::PARMRK);
	$tty->setiflag($c_iflag &=3D ~&POSIX::ISTRIP);
	$tty->setiflag($c_iflag &=3D ~&POSIX::INLCR);
	$tty->setiflag($c_iflag &=3D ~&POSIX::IGNCR);
	$tty->setiflag($c_iflag &=3D ~&POSIX::ICRNL);
	$tty->setiflag($c_iflag &=3D ~&POSIX::IXON);
	$tty->setoflag($c_oflag &=3D ~&POSIX::OPOST);
	$tty->setlflag($c_lflag &=3D ~&POSIX::ECHO);
	$tty->setlflag($c_lflag &=3D ~&POSIX::ECHONL);
	$tty->setlflag($c_lflag &=3D ~&POSIX::ICANON);
	$tty->setlflag($c_lflag &=3D ~&POSIX::ISIG);
	$tty->setlflag($c_lflag &=3D ~&POSIX::IEXTEN);
	$tty->setcflag($c_cflag &=3D ~&POSIX::CSIZE);
	$tty->setcflag($c_cflag &=3D ~&POSIX::PARENB);
	$tty->setcflag($c_cflag | &POSIX::CS8);
}

my $termios =3D POSIX::Termios->new;
my $old =3D POSIX::Termios->new;
$termios->getattr();
$old->getattr();
cfmakeraw($termios);
$termios->setattr( 0, &POSIX::TCSANOW );


#cfmakeraw sets the terminal attributes as follows:
#termios_p->c_iflag &=3D ~(IGNBRK|BRKINT|PARMRK|ISTRIP
#|INLCR|IGNCR|ICRNL|IXON);
#termios_p->c_oflag &=3D ~OPOST;
#termios_p->c_lflag &=3D ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN);
#termios_p->c_cflag &=3D ~(CSIZE|PARENB);
#termios_p->c_cflag |=3D CS8;


my $fdset =3D new IO::Select;
my $wfdset =3D new IO::Select;
my $r_ready;
my $w_ready;
my $error;
my $timeout =3D 30;
my $err;

$fdset->add($cCon);
$fdset->add(\*STDIN);

while (1) {

	SELECT:

	($r_ready, $w_ready, $error) =3D=20
		  IO::Select->select($fdset, $wfdset, $err, $timeout);

	# If nothing has occured, we have timedout
	if($r_ready eq "") {
		goto SELECT;
	}

	foreach my $ready (@$r_ready) {
		my $data;

		if($ready =3D=3D \*STDIN) {
			sysread($ready, $data, 1);
			print $cCon $data;
		}=20

		if($ready =3D=3D $cCon) {
			if(sysread($ready, $data, 1) =3D=3D 0) {
				$old->setattr( 1, &POSIX::TCSANOW );
				exit(0);
			}
			print $data;
			\*STDOUT->flush();
		}
	}
}



--=-tCcbBQnUSE2weEPLFMkb--

From cfowler@outpostsentinel.com Fri Apr 25 13:08:58 2003
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From: Christopher Fowler <cfowler@outpostsentinel.com>
To: Christopher Fowler <cfowler@outpostsentinel.com>
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It also needs WIN32 support POSIX::Termios is not supported under
winbloze.

Chris

On Fri, 2003-04-25 at 16:03, Christopher Fowler wrote:
> Don't say I don't give anything back :)
> 
> Someone mod this to support all command line options.  And clean it
> up a bit.
> 
> 
> 
> 
> ----
> 

> #!/usr/bin/perl
> 
> 
> sub cpanMirrorSpeak {
> 	my $mod = $_[0];
> 	die <<EOT;
> You don't have  $mod installed. Please install a copy from your
> favourite CPAN mirror.
> 
> perl -MCPAN -e 'install( "$mod" )'
> EOT
> }
> 
> eval { require POSIX; };
> if( $@ ) {
> 	cpanMirrorSpeak("POSIX");
> }
> 
> eval { require IO::Socket; };
> if( $@ ) {
> 	cpanMirrorSpeak("IO::Socket");
> }
> 
> eval { require Getopt::Std; };
> if( $@ ) {
> 	cpanMirrorSpeak("Getopt::Std");
> }
> 
> eval { require IO::Select; };
> if( $@ ) {
> 	cpanMirrorSpeak("IO::Select");
> }
> 
> use Getopt::Std;
> use POSIX;
> use IO::Socket;
> use IO::Select;
> use strict;
> 
> # Static variables
> my $USER;
> my $SERVER;
> my $CONSOLE;
> 
> 
> # Commands
> my $CMD_LOGIN 	= "c;";
> 
> 
> sub console_syntax {
> 	die "$0 [-h] -s <server> -u <user> <console>\n";
> }
> 
> sub console_pArgs {
> 	console_syntax() unless (getopts("s:u:h"));
> 	console_syntax() if not $Getopt::Std::opt_s;
> 	console_syntax() if not $Getopt::Std::opt_u;
> 	console_syntax() if $Getopt::Std::opt_h;
> 	console_syntax() if not @ARGV;
> 
> 	$USER = $Getopt::Std::opt_u;
> 	$SERVER = $Getopt::Std::opt_s;
> 	$CONSOLE = $ARGV[0];
> 
> 	return;
> }
> 
> #
> # Implement enough of the portcommander protocol
> # to attach to the required console (or die trying),
> # return the live socket.
> #
> sub connect_console {
> 
> 	my $SERVER  = $_[0];
> 	my $CONSOLE = $_[1];
> 	my $USER    = $_[2];
> 	my $PASS    = $_[3];
> 	#
> 	# Create the socket to the main server
> 	# We'll recoeve a port number then connect to secondary
> 	# server for console data
> 	#
> 	my $sock = new IO::Socket::INET (PeerAddr => $SERVER,
> 								 PeerPort => 782,
> 								 Proto => 'tcp',) or 
> 								 return -1;
> 	
> 	# We do not want buffered output to socket
> 	$sock->autoflush();
> 
> 	($_ = <$sock>) ;
> 	return -1 unless /ok/ ;
> 
> 	# Specify console name
> 	print $sock "call:$CONSOLE\n";
> 
> 	# Only valid reply is a port number,
> 	# stick that in $1.
> 	($_ = <$sock>);
> 	return -1  unless /^(\d+)/ ;
> 
> 	close($sock);
> 
> 
> 	$sock = new IO::Socket::INET (PeerAddr => $SERVER,
> 								 PeerPort => $1,
> 								 Proto => 'tcp',) or
> 		return -1;
> 
> 	$sock->autoflush();
> 	setsockopt($sock, SOL_SOCKET, SO_KEEPALIVE, 1);
> 
> 	($_ = <$sock>) ;
> 	return unless /ok/ ;
> 
> 	# tell server we wish to log in
> 	print $sock $CMD_LOGIN;
> 
> 	# TODO: test reply.
> 	($_ = <$sock>) ;
> 
> 	# specify user name
> 	print $sock "$USER\n";
> 	($_ = <$sock>) ;
> 
> 	if (/^host:/) {
> 		print $sock "$CONSOLE\n";
> 
> 		#TODO
> 		#validate we are connected
> 		#to the console
> 		($_ = <$sock>) ;
> 	}
> 
> 	if (/^passwd:/) {
> 		print "Enter $USER\@$SERVER\'s password: ";
> 		$PASS = getPassword();
> 		print $sock "$PASS\n";
> 
> 		($_ = <$sock>) ;
> 		return -1 if (/Sorry/) ;
> 	}
> 
> 	return $sock ;
> }
> 
> sub getPassword {
> 
> 	\*STDOUT->flush();
> 	\*STDIN->autoflush();
> 
> 	my $t1 = POSIX::Termios->new;
> 	my $t2 = POSIX::Termios->new;
> 	$t1->getattr();
> 	$t2->getattr();
> 
> 	my $c_lflag = $t1->getlflag();
> 	$t1->setlflag($c_lflag &= ~&POSIX::ECHO);
> 	$t1->setattr( 0, &POSIX::TCSANOW );
> 
> 	my $pass;
> 	$pass = <STDIN>;
> 	chomp($pass);
> 	$t2->setattr( 0, &POSIX::TCSANOW );
> 
> 	print "\n";
> 
> 	return $pass;
> }
> 
> 
> # Main
> #
> my $cCon;
> 
> console_pArgs();
> if(( $cCon = connect_console($SERVER, $CONSOLE, $USER, "password")) == -1) {
> 	die "Could not connect to console!\n";
> }
> 
> print "[Enter `^Ec?' for help]\n";
> \*STDOUT->flush();
> 
> 
> 
> 
> 
> 
> 
> sub cfmakeraw {
> 	my $tty = $_[0];
> 	$tty->getattr();
> 	my $c_iflag = $tty->getiflag();
> 	my $c_oflag = $tty->getoflag();
> 	my $c_lflag = $tty->getlflag();
> 	my $c_cflag = $tty->getcflag();
> 	$tty->setiflag($c_iflag &= ~&POSIX::IGNBRK);
> 	$tty->setiflag($c_iflag &= ~&POSIX::BRKINT);
> 	$tty->setiflag($c_iflag &= ~&POSIX::PARMRK);
> 	$tty->setiflag($c_iflag &= ~&POSIX::ISTRIP);
> 	$tty->setiflag($c_iflag &= ~&POSIX::INLCR);
> 	$tty->setiflag($c_iflag &= ~&POSIX::IGNCR);
> 	$tty->setiflag($c_iflag &= ~&POSIX::ICRNL);
> 	$tty->setiflag($c_iflag &= ~&POSIX::IXON);
> 	$tty->setoflag($c_oflag &= ~&POSIX::OPOST);
> 	$tty->setlflag($c_lflag &= ~&POSIX::ECHO);
> 	$tty->setlflag($c_lflag &= ~&POSIX::ECHONL);
> 	$tty->setlflag($c_lflag &= ~&POSIX::ICANON);
> 	$tty->setlflag($c_lflag &= ~&POSIX::ISIG);
> 	$tty->setlflag($c_lflag &= ~&POSIX::IEXTEN);
> 	$tty->setcflag($c_cflag &= ~&POSIX::CSIZE);
> 	$tty->setcflag($c_cflag &= ~&POSIX::PARENB);
> 	$tty->setcflag($c_cflag | &POSIX::CS8);
> }
> 
> my $termios = POSIX::Termios->new;
> my $old = POSIX::Termios->new;
> $termios->getattr();
> $old->getattr();
> cfmakeraw($termios);
> $termios->setattr( 0, &POSIX::TCSANOW );
> 
> 
> #cfmakeraw sets the terminal attributes as follows:
> #termios_p->c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
> #|INLCR|IGNCR|ICRNL|IXON);
> #termios_p->c_oflag &= ~OPOST;
> #termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN);
> #termios_p->c_cflag &= ~(CSIZE|PARENB);
> #termios_p->c_cflag |= CS8;
> 
> 
> my $fdset = new IO::Select;
> my $wfdset = new IO::Select;
> my $r_ready;
> my $w_ready;
> my $error;
> my $timeout = 30;
> my $err;
> 
> $fdset->add($cCon);
> $fdset->add(\*STDIN);
> 
> while (1) {
> 
> 	SELECT:
> 
> 	($r_ready, $w_ready, $error) = 
> 		  IO::Select->select($fdset, $wfdset, $err, $timeout);
> 
> 	# If nothing has occured, we have timedout
> 	if($r_ready eq "") {
> 		goto SELECT;
> 	}
> 
> 	foreach my $ready (@$r_ready) {
> 		my $data;
> 
> 		if($ready == \*STDIN) {
> 			sysread($ready, $data, 1);
> 			print $cCon $data;
> 		} 
> 
> 		if($ready == $cCon) {
> 			if(sysread($ready, $data, 1) == 0) {
> 				$old->setattr( 1, &POSIX::TCSANOW );
> 				exit(0);
> 			}
> 			print $data;
> 			\*STDOUT->flush();
> 		}
> 	}
> }
> 
> 
> ----
> 

> _______________________________________________
> users mailing list
> users@conserver.com
> https://www.conserver.com/mailman/listinfo/users


From brandon.a.saunders.1@ohio.edu Fri Apr 25 13:24:13 2003
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Date: Fri, 25 Apr 2003 16:22:40 -0400
From: Brandon Saunders <brandon.a.saunders.1@ohio.edu>
To: Bryan Stansell <bryan@conserver.com>,
   Conserver Users Mailing List <users@conserver.com>
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Bryan,

Thank you.  I made that change and it appears to be working as you=20
indicated.

Brandon

--On Thursday, April 24, 2003 02:20:07 PM -0700 Bryan Stansell=20
<bryan@conserver.com> wrote:

> since that was less than helpful, i'll mention that to actually modify
> the source all you should have to do is edit conserver/consent.c and
> "fix" the parity[] array.  basically, you have a list of {symbol, flags
> that get set, flags that get cleared} tuples.  just add 'HUPCL' to the
> 'flags that get set' part of any symbols you'd like to use.  so, as an
> example, you'll see:
>
>     {'n', CS8, 0}
>
> you'll want to make that
>
>     {'n', CS8 | HUPCL, 0}
>
> and you'll want to do that for the other ones in the list as well,
> probably.  that list is really two lists, one for termios systems and
> one for termio systems.  this pointer should work for the termios
> systems and part of the list (the #if HAVE_TERMIOS_H section).  i
> haven't looked into the termio piece since i'm assuming most folks have
> termios-based systems.
>
> and if you really wanted to get crazy you could create a new symbol and
> use that in the config file for consoles you want to have HUPCL take
> effect and the original symbols for non-HUPCL consoles.  anyway, i hope
> this is enough to get you going and have things work.  if you run into
> problems or have questions, feel free to post to the list or send me
> email directly.
>
> Bryan
>
> On Thu, Apr 24, 2003 at 03:08:03PM -0400, Christopher Fowler wrote:
>> Modify the source
>>
>>
>> On Thu, 2003-04-24 at 14:46, Brandon Saunders wrote:
>> > I have finally gotten back around to this problem.  Thanks to those
>> > who  responded to my original message, the comments were helpful.
>> >
>> > I have found that the open and close will work, but only if I manually
>> > set  the hupcl option with stty.  Conserv appears to be rewriting the
>> > stty  config on each open and does not set hupcl.  Does anyone have
>> > any  suggestions for making that change permanent?
>> >
>> > Thank You
>> >
>> > Brandon Saunders
>> > Senior Network Engineer
>> > Ohio University Communication Network Services
>> > Email: brandon.a.saunders.1@ohiou.edu
> _______________________________________________
> users mailing list
> users@conserver.com
> https://www.conserver.com/mailman/listinfo/users




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On 25 Apr 2003, Christopher Fowler wrote:

> Don't say I don't give anything back :)
> 
> Someone mod this to support all command line options.  And clean it
> up a bit.
> 

I take it (from playing around with it a bit) that this doesn't (yet) support encryption?

-- Dan
========================================================================
   Daniel Hanks - Systems/Database Administrator
   About Inc., Web Services Division
========================================================================
From bryan@stansell.org Fri Apr 25 14:05:26 2003
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cool.  good to hear.  since it worked i'm planning on integrating that
functionality into the next rev of the code, so it should be a bit
easier next time.  ;-)

Bryan


On Fri, Apr 25, 2003 at 04:22:40PM -0400, Brandon Saunders wrote:
> Bryan,
> 
> Thank you.  I made that change and it appears to be working as you 
> indicated.
> 
> Brandon
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On Fri, Apr 25, 2003 at 02:44:20PM -0600, Hanks, Dan wrote:
> I take it (from playing around with it a bit) that this doesn't (yet) support encryption?
> 


Nope, just a simple connection.  I've got on in Java too.  but, I also
have many utilities like this that do a lot for me in the console areana.

 
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[cfowler@cfowler console]$ ./console -c ../contrib/client.pem -M
192.168.2.231 -l root P2
console: Encryption required by server for login


when I do an strace, I never see an attempt to open the client.pem file.
Am I missing something?  

On the server,
[root@cas8]# /sbin/conserver -b783 -c /etc/server.pem 
conserver (96): conserver.com version 7.2.5
conserver (96): Started as `root' by `root' at Mon Apr 28 10:32:17 2003
Enter PEM pass phrase:


I did not generate the key right because I can not enter the PEM
passphrase everytime it is started.

Thanks,
Chris

From slammert@panasas.com Mon Apr 28 12:09:35 2003
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We are using Conserver 7.2.7 to serve about 900 console lines on 25 
Cyclades TS terminal concentrators, from a Sun Ultra 5 running Solaris 
8.  We had no problems at levels of 500-600 lines, but the recent 
expansion to 900 lines appears to have led to the following interesting 
behavior:

After the server has been up for ten days or so, a few users begin 
experiencing timeouts when connecting to a small number of console 
lines, viz:

--------------------------------------------------------
myhost$ console beta-15-1
< --- Three minutes of silence --- >
console: connect: 61897@conserver: Connection timed out
--------------------------------------------------------

Logging into the Conserver server, I notice a number of connections to 
port 61897 in CLOSE_WAIT state.  These entries tend to hang around for a 
LONG time (e.g. days):

--------------------------------------------------------------------
conserver# netstat -a|grep 61897
*.61897              *.*                0      0 32768  0 LISTEN
lyell.panasas.com.61897 kinsman.2458    1      0 33304  0 ESTABLISHED
lyell.panasas.com.61897 build-bsd6.1851 57920  0 33304  0 CLOSE_WAIT
lyell.panasas.com.61897 build-bsd6.1855 57920  0 33304  0 CLOSE_WAIT
lyell.panasas.com.61897 build-bsd6.1863 57920  0 33304  0 CLOSE_WAIT
lyell.panasas.com.61897 rack-bsd2.2776 57920   0 33304  0 CLOSE_WAIT
lyell.panasas.com.61897 rack-bsd2.2778 57920   0 33304  0 CLOSE_WAIT
lyell.panasas.com.61897 rack-bsd2.2781 57920   0 33304  0 CLOSE_WAIT
lyell.panasas.com.61897 rack-bsd2.2783 57920   0 33304  0 CLOSE_WAIT
lyell.panasas.com.61897 kinsman.1984 57920     0 33304  0 CLOSE_WAIT
--------------------------------------------------------------------

One also sees timeouts when using commands such as "console -x"... the 
list of connections pauses at a certain point, and eventually times out. 
  It seems likely that a single Conserver daemon (out of the 55 or so 
that are spawned to handle 900 lines) is being affected.

Restarting Conserver is sometimes (but not always) effective in clearing 
this up.  In many cases, though, the only solution is to reboot the server.

I had previously bumped up certain values in /etc/system (e.g. 
"maxusers", "tcp:tcp_conn_hash_size") to better handle the large number 
of connections to Conserver, and I'm also planning to install the latest 
Solaris patch cluster, in case this is a Solaris TCP/IP issue...

... but I thought I ought to ask the List as well, in case others have 
seen this before.

TIA,
S


-- 
--
steve lammert     software engineer   voice: +1-412-323-3500
slammert@panasas.com   panasas, inc     fax: +1-412-323-3511

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So, I solved my immediate problem by using "lsof" (Sol8 binary obtained 
via freshmeat.net) to obtain the pid of the conserver daemon which was 
not responding.  Killing the pid, then sending the "reconnect" signal to 
Conserver, and I'm back in business.

... but I'd still like to know why this happens ...

Cheers,
S


Steve Lammert wrote:
> 
> We are using Conserver 7.2.7 to serve about 900 console lines on 25 
> Cyclades TS terminal concentrators, from a Sun Ultra 5 running Solaris 
> 8.  We had no problems at levels of 500-600 lines, but the recent 
> expansion to 900 lines appears to have led to the following interesting 
> behavior:
> 
> After the server has been up for ten days or so, a few users begin 
> experiencing timeouts when connecting to a small number of console 
> lines, viz:
> 
> --------------------------------------------------------
> myhost$ console beta-15-1
> < --- Three minutes of silence --- >
> console: connect: 61897@conserver: Connection timed out
> --------------------------------------------------------
> 
> Logging into the Conserver server, I notice a number of connections to 
> port 61897 in CLOSE_WAIT state.  These entries tend to hang around for a 
> LONG time (e.g. days):
> 
> --------------------------------------------------------------------
> conserver# netstat -a|grep 61897
> *.61897              *.*                0      0 32768  0 LISTEN
> lyell.panasas.com.61897 kinsman.2458    1      0 33304  0 ESTABLISHED
> lyell.panasas.com.61897 build-bsd6.1851 57920  0 33304  0 CLOSE_WAIT
> lyell.panasas.com.61897 build-bsd6.1855 57920  0 33304  0 CLOSE_WAIT
> lyell.panasas.com.61897 build-bsd6.1863 57920  0 33304  0 CLOSE_WAIT
> lyell.panasas.com.61897 rack-bsd2.2776 57920   0 33304  0 CLOSE_WAIT
> lyell.panasas.com.61897 rack-bsd2.2778 57920   0 33304  0 CLOSE_WAIT
> lyell.panasas.com.61897 rack-bsd2.2781 57920   0 33304  0 CLOSE_WAIT
> lyell.panasas.com.61897 rack-bsd2.2783 57920   0 33304  0 CLOSE_WAIT
> lyell.panasas.com.61897 kinsman.1984 57920     0 33304  0 CLOSE_WAIT
> --------------------------------------------------------------------
> 
> One also sees timeouts when using commands such as "console -x"... the 
> list of connections pauses at a certain point, and eventually times out. 
>  It seems likely that a single Conserver daemon (out of the 55 or so 
> that are spawned to handle 900 lines) is being affected.
> 
> Restarting Conserver is sometimes (but not always) effective in clearing 
> this up.  In many cases, though, the only solution is to reboot the server.
> 
> I had previously bumped up certain values in /etc/system (e.g. 
> "maxusers", "tcp:tcp_conn_hash_size") to better handle the large number 
> of connections to Conserver, and I'm also planning to install the latest 
> Solaris patch cluster, in case this is a Solaris TCP/IP issue...
> 
> ... but I thought I ought to ask the List as well, in case others have 
> seen this before.
> 
> TIA,
> S
> 
> 


-- 
--
steve lammert     software engineer   voice: +1-412-323-3500
slammert@panasas.com   panasas, inc     fax: +1-412-323-3511

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On Mon, 28 Apr 2003, Steve Lammert wrote:
>
> So, I solved my immediate problem by using "lsof" (Sol8 binary obtained
> via freshmeat.net) to obtain the pid of the conserver daemon which was
> not responding.  Killing the pid, then sending the "reconnect" signal to
> Conserver, and I'm back in business.
>
> ... but I'd still like to know why this happens ...

I've seen similar behavior when a terminal server port is refusing
connections or some such.  The daemon that handles the port sleeps and
retries, but while it's sleeping, all its consoles are unresponsive.

There isn't an easy, permanent fix for the problem, unless one could fork
off a misbehaving console into its own daemon, perhaps using some of the
tricks developed for dynamic reconfig.