Imported from rancid-2.3.2a8.tar.gz.HEADrancid-2.3.2a8master

1 files changed, 868 insertions, 0 deletions

diff --git a/bin/avologin.in b/bin/avologin.in
new file mode 100644
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--- /dev/null
+++ b/bin/avologin.in
@@ -0,0 +1,868 @@
+#! @EXPECT_PATH@ --
+##
+## $Id$
+##
+## @PACKAGE@ @VERSION@
+## Copyright (C) 1997-2007 by Terrapin Communications, Inc.
+## All rights reserved.
+##
+## This software may be freely copied, modified and redistributed
+## without fee for non-commerical purposes provided that this license
+## remains intact and unmodified with any RANCID distribution.
+##
+## There is no warranty or other guarantee of fitness of this software.
+## It is provided solely "as is".  The author(s) disclaim(s) all
+## responsibility and liability with respect to this software's usage
+## or its effect upon hardware, computer systems, other software, or
+## anything else.
+##
+## Except where noted otherwise, rancid was written by and is maintained by
+## Henry Kilmer, John Heasley, Andrew Partan, Pete Whiting, and Austin Schutz.
+##
+#
+# The login expect scripts were based on Erik Sherk's gwtn, by permission.
+#
+# avologin - Cisco login
+#
+# Most options are intuitive for logging into a Cisco router.
+# The default is to enable (thus -noenable).  Some folks have
+# setup tacacs to have a user login at priv-lvl = 15 (enabled)
+# so the -autoenable flag was added for this case (don't go through
+# the process of enabling and the prompt will be the "#" prompt.
+# The default username password is the same as the vty password.
+#
+
+# Usage line
+set usage "Usage: $argv0 \[-dV\] \[-autoenable\] \[-noenable\] \[-c command\] \
+\[-Evar=x\] \[-e enable-password\] \[-f cloginrc-file\] \[-p user-password\] \
+\[-s script-file\] \[-t timeout\] \[-u username\] \
+\[-v vty-password\] \[-w enable-username\] \[-x command-file\] \
+\[-y ssh_cypher_type\] router \[router...\]\n"
+
+# env(CLOGIN) may contain:
+#	x == do not set xterm banner or name
+
+# Password file
+set password_file $env(HOME)/.cloginrc
+# Default is to login to the router
+set do_command 0
+set do_script 0
+# The default is to automatically enable
+set avenable 1
+# The default is that you login non-enabled (tacacs can have you login already
+# enabled)
+set avautoenable 1
+# The default is to look in the password file to find the passwords.  This
+# tracks if we receive them on the command line.
+set do_passwd 1
+set do_enapasswd 1
+# attempt at platform switching.
+set platform ""
+
+# Find the user in the ENV, or use the unix userid.
+if {[ info exists env(CISCO_USER) ]} {
+    set default_user $env(CISCO_USER)
+} elseif {[ info exists env(USER) ]} {
+    set default_user $env(USER)
+} elseif {[ info exists env(LOGNAME) ]} {
+    set default_user $env(LOGNAME)
+} else {
+    # This uses "id" which I think is portable.  At least it has existed
+    # (without options) on all machines/OSes I've been on recently -
+    # unlike whoami or id -nu.
+    if [ catch {exec id} reason ] {
+	send_error "\nError: could not exec id: $reason\n"
+	exit 1
+    }
+    regexp {\(([^)]*)} "$reason" junk default_user
+}
+
+# Sometimes routers take awhile to answer (the default is 10 sec)
+set timeout 45
+
+# Process the command line
+for {set i 0} {$i < $argc} {incr i} {
+    set arg [lindex $argv $i]
+
+    switch  -glob -- $arg {
+	# Expect debug mode
+	-d* {
+	    exp_internal 1
+	# Username
+	} -u* -
+	-U* {
+	    if {! [  regexp .\[uU\](.+) $arg ignore user]} {
+		incr i
+		set username [ lindex $argv $i ]
+	    }
+	# VTY Password
+	} -p* -
+	-P* {
+	    if {! [  regexp .\[pP\](.+) $arg ignore userpasswd]} {
+		incr i
+		set userpasswd [ lindex $argv $i ]
+	    }
+	    set do_passwd 0
+	# VTY Password
+	} -v* -
+	-v* {
+	    if {! [  regexp .\[vV\](.+) $arg ignore passwd]} {
+		incr i
+		set passwd [ lindex $argv $i ]
+	    }
+	    set do_passwd 0
+	# Version string
+	} -V* {
+	    send_user "@PACKAGE@ @VERSION@\n"
+	    exit 0
+	# Enable Username
+	} -w* -
+	-W* {
+	    if {! [  regexp .\[wW\](.+) $arg ignore enauser]} {
+		incr i
+		set enausername [ lindex $argv $i ]
+	    }
+	# Environment variable to pass to -s scripts
+	} -E*
+	{
+	    if {[ regexp .\[E\](.+)=(.+) $arg ignore varname varvalue]} {
+		set E$varname $varvalue
+	    } else {
+		send_user "\nError: invalid format for -E in $arg\n"
+		exit 1
+	    }
+	# Enable Password
+	} -e*
+	{
+	    if {! [  regexp .\[e\](.+) $arg ignore enapasswd]} {
+		incr i
+		set enapasswd [ lindex $argv $i ]
+	    }
+	    set do_enapasswd 0
+	# Command to run.
+	} -c* -
+	-C* {
+	    if {! [  regexp .\[cC\](.+) $arg ignore command]} {
+		incr i
+		set command [ lindex $argv $i ]
+	    }
+	    set do_command 1
+	# Expect script to run.
+	} -s* -
+	-S* {
+	    if {! [  regexp .\[sS\](.+) $arg ignore sfile]} {
+		incr i
+		set sfile [ lindex $argv $i ]
+	    }
+	    if { ! [ file readable $sfile ] } {
+		send_user "\nError: Can't read $sfile\n"
+		exit 1
+	    }
+	    set do_script 1
+	# 'ssh -c' cypher type
+	} -y* -
+	-Y* {
+	    if {! [  regexp .\[eE\](.+) $arg ignore cypher]} {
+		incr i
+		set cypher [ lindex $argv $i ]
+	    }
+	# alternate cloginrc file
+	} -f* -
+	-F* {
+	    if {! [ regexp .\[fF\](.+) $arg ignore password_file]} {
+		incr i
+		set password_file [ lindex $argv $i ]
+	    }
+	# Timeout
+	} -t* -
+	-T* {
+	    if {! [ regexp .\[tT\](.+) $arg ignore timeout]} {
+		incr i
+	        set timeout [ lindex $argv $i ]
+	    }
+	# Command file
+	} -x* -
+	-X {
+	    if {! [  regexp .\[xX\](.+) $arg ignore cmd_file]} {
+		incr i
+		set cmd_file [ lindex $argv $i ]
+	    }
+	    if [ catch {set cmd_fd [open $cmd_file r]} reason ] {
+		send_user "\nError: $reason\n"
+		exit 1
+	    }
+	    set cmd_text [read $cmd_fd]
+	    close $cmd_fd
+	    set command [join [split $cmd_text \n] \;]
+	    set do_command 1
+	# Do we enable?
+	} -noenable {
+	    set avenable 0
+	# Does tacacs automatically enable us?
+	} -autoenable {
+	    set avautoenable 1
+	    set avenable 0
+	} -* {
+	    send_user "\nError: Unknown argument! $arg\n"
+	    send_user $usage
+	    exit 1
+	} default {
+	    break
+	}
+    }
+}
+# Process routers...no routers listed is an error.
+if { $i == $argc } {
+    send_user "\nError: $usage"
+}
+
+# Only be quiet if we are running a script (it can log its output
+# on its own)
+if { $do_script } {
+    log_user 0
+} else {
+    log_user 1
+}
+
+#
+# Done configuration/variable setting.  Now run with it...
+#
+
+# Sets Xterm title if interactive...if its an xterm and the user cares
+proc label { host } {
+    global env
+    # if CLOGIN has an 'x' in it, don't set the xterm name/banner
+    if [info exists env(CLOGIN)] {
+	if {[string first "x" $env(CLOGIN)] != -1} { return }
+    }
+    # take host from ENV(TERM)
+    if [info exists env(TERM)] {
+	if [regexp \^(xterm|vs) $env(TERM) ignore ] {
+	    send_user "\033]1;[lindex [split $host "."] 0]\a"
+	    send_user "\033]2;$host\a"
+	}
+    }
+}
+
+# This is a helper function to make the password file easier to
+# maintain.  Using this the password file has the form:
+# add password sl*	pete cow
+# add password at*	steve
+# add password *	hanky-pie
+proc add {var args} { global int_$var ; lappend int_$var $args}
+proc include {args} {
+    global env
+    regsub -all "(^{|}$)" $args {} args
+    if { [ regexp "^/" $args ignore ] == 0 } {
+	set args $env(HOME)/$args
+    }
+    source_password_file $args
+}
+
+proc find {var router} {
+    upvar int_$var list
+    if { [info exists list] } {
+	foreach line $list {
+	    if { [string match [lindex $line 0] $router ] } {
+		return [lrange $line 1 end]
+	    }
+	}
+    }
+    return {}
+}
+
+# Loads the password file.  Note that as this file is tcl, and that
+# it is sourced, the user better know what to put in there, as it
+# could install more than just password info...  I will assume however,
+# that a "bad guy" could just as easy put such code in the avologin
+# script, so I will leave .cloginrc as just an extention of that script
+proc source_password_file { password_file } {
+    global env
+    if { ! [file exists $password_file] } {
+	send_user "\nError: password file ($password_file) does not exist\n"
+	exit 1
+    }
+    file stat $password_file fileinfo
+    if { [expr ($fileinfo(mode) & 007)] != 0000 } {
+	send_user "\nError: $password_file must not be world readable/writable\n"
+	exit 1
+    }
+    if [ catch {source $password_file} reason ] {
+	send_user "\nError: $reason\n"
+	exit 1
+    }
+}
+
+# Log into the router.
+# returns: 0 on success, 1 on failure, -1 if rsh was used successfully
+proc login { router user userpswd passwd enapasswd cmethod cyphertype } {
+    global spawn_id in_proc do_command do_script platform
+    global prompt u_prompt p_prompt e_prompt sshcmd
+    set in_proc 1
+    set uprompt_seen 0
+
+    # try each of the connection methods in $cmethod until one is successful
+    set progs [llength $cmethod]
+    foreach prog [lrange $cmethod 0 end] {
+	incr progs -1
+	if [string match "telnet*" $prog] {
+	    regexp {telnet(:([^[:space:]]+))*} $prog command suffix port
+	    if {"$port" == ""} {
+		set retval [ catch {spawn telnet $router} reason ]
+	    } else {
+		set retval [ catch {spawn telnet $router $port} reason ]
+	    }
+	    if { $retval } {
+		send_user "\nError: telnet failed: $reason\n"
+		return 1
+	    }
+	} elseif [string match "ssh*" $prog] {
+	    regexp {ssh(:([^[:space:]]+))*} $prog command suffix port
+	    if {"$port" == ""} {
+		set retval [ catch {spawn $sshcmd -c $cyphertype -x -l $user $router} reason ]
+
+	    } else {
+		set retval [ catch {spawn $sshcmd -c $cyphertype -x -l $user -p $port $router} reason ]
+	    }
+	    if { $retval } {
+		send_user "\nError: $sshcmd failed: $reason\n"
+		return 1
+	    }
+	} elseif ![string compare $prog "rsh"] {
+	    global command
+
+	    if { ! $do_command } {
+		if { [llength $cmethod] == 1 } {
+		    send_user "\nError: rsh is an invalid method for -x and "
+		    send_user "interactive logins\n"
+		}
+		if { $progs == 0 } {
+		    return 1
+		}
+		continue;
+	    }
+
+	    set commands [split $command \;]
+	    set num_commands [llength $commands]
+	    set rshfail 0
+	    for {set i 0} {$i < $num_commands && !$rshfail} { incr i} {
+		log_user 0
+		set retval [ catch {spawn rsh $user@$router [lindex $commands $i] } reason ]
+		if { $retval } {
+		    send_user "\nError: rsh failed: $reason\n"
+		    log_user 1; return 1
+		}
+		send_user "$router# [lindex $commands $i]\n"
+
+		# rcmd does not get a pager and no prompts, so we just have to
+		# look for failures & lines.
+		expect {
+		  "Connection refused"	{ catch {close}; catch {wait};
+					  send_user "\nError: Connection\
+						    Refused ($prog): $router\n"
+					  set rshfail 1
+					}
+		  -re "(Connection closed by|Connection to \[^\n\r]+ closed)" {
+					  catch {close}; catch {wait};
+					  send_user "\nError: Connection\
+						    closed ($prog): $router\n"
+					  set rshfail 1
+					}
+		  "Host is unreachable"	{ catch {close}; catch {wait};
+					  send_user "\nError: Host Unreachable:\
+						    $router\n"
+					  set rshfail 1
+					}
+		  "No address associated with" {
+					  catch {close}; catch {wait};
+					  send_user "\nError: Unknown host\
+						    $router\n"
+					  set rshfail 1
+					}
+		  -re "\b+"		{ exp_continue }
+		  -re "\[\n\r]+"	{ send_user -- "$expect_out(buffer)"
+					  exp_continue
+					}
+		  timeout		{ catch {close}; catch {wait};
+					  send_user "\nError: TIMEOUT reached\n"
+					  set rshfail 1
+					}
+		  eof			{ catch {close}; catch {wait}; }
+		}
+		log_user 1
+	    }
+	    if { $rshfail } {
+		if { !$progs } {
+		    return 1
+		} else {
+		    continue
+		}
+	    }
+	    # fake the end of the session for rancid.
+	    send_user "$router# exit\n"
+	    # return rsh "success"
+	    return -1
+	} else {
+	    send_user "\nError: unknown connection method: $prog\n"
+	    return 1
+	}
+	sleep 0.3
+
+	# This helps cleanup each expect clause.
+	expect_after {
+	    timeout {
+		send_user "\nError: TIMEOUT reached\n"
+		catch {close}; catch {wait};
+		if { $in_proc} {
+		    return 1
+		} else {
+		    continue
+		}
+	    } eof {
+		send_user "\nError: EOF received\n"
+		catch {close}; catch {wait};
+		if { $in_proc} {
+		    return 1
+		} else {
+		    continue
+		}
+	    }
+	}
+
+    # Here we get a little tricky.  There are several possibilities:
+    # the router can ask for a username and passwd and then
+    # talk to the TACACS server to authenticate you, or if the
+    # TACACS server is not working, then it will use the enable
+    # passwd.  Or, the router might not have TACACS turned on,
+    # then it will just send the passwd.
+    # if telnet fails with connection refused, try ssh
+    expect {
+	-re "(Connection refused|Secure connection \[^\n\r]+ refused)" {
+	    catch {close}; catch {wait};
+	    if !$progs {
+		send_user "\nError: Connection Refused ($prog): $router\n"
+		return 1
+	    }
+	}
+	-re "(Connection closed by|Connection to \[^\n\r]+ closed)" {
+	    catch {close}; catch {wait};
+	    if !$progs {
+		send_user "\nError: Connection closed ($prog): $router\n"
+		return 1
+	    }
+	}
+	eof { send_user "\nError: Couldn't login: $router\n"; wait; return 1 }
+	-nocase "unknown host\r" {
+	    catch {close}; catch {wait};
+	    send_user "\nError: Unknown host $router\n"; wait; return 1
+	}
+	"Host is unreachable" {
+	    catch {close}; catch {wait};
+	    send_user "\nError: Host Unreachable: $router\n"; wait; return 1
+	}
+	"No address associated with name" {
+	    catch {close}; catch {wait};
+	    send_user "\nError: Unknown host $router\n"; wait; return 1
+	}
+	-re "(Host key not found |The authenticity of host .* be established).*\(yes\/no\)\?" {
+	    send "yes\r"
+	    send_user "\nHost $router added to the list of known hosts.\n"
+	    exp_continue }
+	-re "HOST IDENTIFICATION HAS CHANGED.* \(yes\/no\)\?"   {
+	    send "no\r"
+	    send_user "\nError: The host key for $router has changed.  Update the SSH known_hosts file accordingly.\n"
+	    return 1 }
+	-re "Offending key for .* \(yes\/no\)\?"   {
+	    send "no\r"
+	    send_user "\nError: host key mismatch for $router.  Update the SSH known_hosts file accordingly.\n"
+	    return 1 }
+	-re "(denied|Sorry)"	{
+				  send_user "\nError: Check your passwd for $router\n"
+				  catch {close}; catch {wait}; return 1
+				}
+	"Login failed"		{
+				  send_user "\nError: Check your passwd for $router\n"
+				  return 1
+				}
+	-re "% (Bad passwords|Authentication failed)"	{
+				  send_user "\nError: Check your passwd for $router\n"
+				  return 1
+				}
+	"Press any key to continue." {
+				  # send_user "Pressing the ANY key\n"
+				  send "\r"
+				  exp_continue
+				}
+	-re "Enter Selection: " {
+				  # Catalyst 1900s have some lame menu.  Enter
+				  # K to reach a command-line.
+				  send "K\r"
+				  exp_continue;
+				}
+	-re "@\[^\r\n]+ $p_prompt"	{
+					  # ssh pwd prompt
+					  sleep 1
+					  send "$userpswd\r"
+					  exp_continue
+					}
+	-re "$u_prompt"		{
+				  send "$user\r"
+				  set uprompt_seen 1
+				  exp_continue
+				}
+	-re "$p_prompt"		{
+				  sleep 1
+				  if {$uprompt_seen == 1} {
+					send "$userpswd\r"
+				  } else {
+					send "$passwd\r"
+				  }
+				  exp_continue
+				}
+	-re "$prompt"		{ break; }
+	"Login invalid"		{
+				  send_user "\nError: Invalid login: $router\n";
+				  catch {close}; catch {wait}; return 1
+				}
+     }
+    }
+
+    set in_proc 0
+    return 0
+}
+
+# Enable
+proc do_enable { enauser enapasswd } {
+    global prompt in_proc
+    global u_prompt e_prompt
+    set in_proc 1
+
+    send "enable\r"
+    expect {
+	-re "$u_prompt"	{ send "$enauser\r"; exp_continue}
+	-re "$e_prompt"	{ send "$enapasswd\r"; exp_continue}
+	"#"		{ set prompt "#" }
+	"(enable)"	{ set prompt "> (enable) " }
+	-re "(denied|Sorry|Incorrect)"	{
+			  # % Access denied - from local auth and poss. others
+			  send_user "\nError: Check your Enable passwd\n";
+			  return 1
+			}
+	"% Error in authentication" {
+			  send_user "\nError: Check your Enable passwd\n"
+			  return 1
+			}
+	"% Bad passwords" {
+			  send_user "\nError: Check your Enable passwd\n"
+			  return 1
+			}
+    }
+    # We set the prompt variable (above) so script files don't need
+    # to know what it is.
+    set in_proc 0
+    return 0
+}
+
+# Run commands given on the command line.
+proc run_commands { prompt command } {
+    global in_proc platform
+    set in_proc 1
+
+    # If the prompt is (enable), then we are on a switch and the
+    # command is "set length 0"; otherwise its "term length 0".
+    # skip if its an extreme (since the pager can not be disabled on a
+    # per-vty basis).
+    if { [ string compare "extreme" "$platform" ] } {
+	if [ regexp -- ".*> .*enable" "$prompt" ] {
+	    send "set length 0\r"
+	    # This is ugly, but reduces code duplication, allowing the
+	    # subsequent expects to handle everything as normal.
+	    set command "set logging session disable;$command"
+	} else {
+	    #send "term length 0\r"
+	    send "\r"
+	}
+	# escape any parens in the prompt, such as "(enable)"
+	regsub -all {[)(]} $prompt {\\&} reprompt
+	# match cisco config mode prompts too, such as router(config-if)#,
+	# but catalyst does not change in this fashion.
+	regsub -all {^(.{1,14}).*([#>])$} $reprompt {\1([^#>\r\n]+)?[#>](\\([^)\\r\\n]+\\))?} reprompt
+	expect {
+	    -re $reprompt	{}
+	    -re "\[\n\r]+"	{ exp_continue }
+	}
+    } else {
+	regsub -all "\[)(]" $prompt {\\&} reprompt
+    }
+
+    # this is the only way i see to get rid of more prompts in o/p..grrrrr
+    log_user 0
+    # Is this a multi-command?
+    if [ string match "*\;*" "$command" ] {
+	set commands [split $command \;]
+	set num_commands [llength $commands]
+	# the pager can not be turned off on the PIX, so we have to look
+	# for the "More" prompt.  the extreme is equally obnoxious, with a
+	# global switch in the config.
+	for {set i 0} {$i < $num_commands} { incr i} {
+	    send "[subst -nocommands [lindex $commands $i]]\r"
+	    expect {
+		-re "\b+"			{ exp_continue }
+		-re "^\[^\n\r *]*$reprompt"	{ send_user -- "$expect_out(buffer)"
+						}
+		-re "^\[^\n\r]*$reprompt."	{ send_user -- "$expect_out(buffer)"
+						  exp_continue }
+		-re "\[\n\r]+"			{ send_user -- "$expect_out(buffer)"
+						  exp_continue }
+		-re "\[^\r\n]*Press <SPACE> to cont\[^\r\n]*"	{
+						  send " "
+						  # bloody ^[[2K after " "
+						  expect {
+							-re "^\[^\r\n]*\r" {}
+							}
+						  exp_continue
+						}
+		-re "^ *--More--\[^\n\r]*"	{
+						  send " "
+						  exp_continue }
+		-re "^<-+ More -+>\[^\n\r]*"	{
+						  send_user -- "$expect_out(buffer)"
+						  send " "
+						  exp_continue }
+	    }
+	}
+    } else {
+	# the pager can not be turned off on the PIX, so we have to look
+	# for the "More" prompt.  the extreme is equally obnoxious, with a
+	# global switch in the config.
+	send "[subst -nocommands $command]\r"
+	expect {
+		-re "\b+"			{ exp_continue }
+		-re "^\[^\n\r *]*$reprompt"	{ send_user -- "$expect_out(buffer)"
+						}
+		-re "^\[^\n\r]*$reprompt."	{ send_user -- "$expect_out(buffer)"
+						  exp_continue }
+		-re "\[\n\r]+"			{ send_user -- "$expect_out(buffer)"
+						  exp_continue }
+		-re "\[^\r\n]*Press <SPACE> to cont\[^\r\n]*"	{
+						  send " "
+						  # bloody ^[[2K after " "
+						  expect {
+							-re "^\[^\r\n]*\r" {}
+							}
+						  exp_continue
+						}
+		-re "^ *--More--\[^\n\r]*"	{
+						  send " "
+						  exp_continue }
+		-re "^<-+ More -+>\[^\n\r]*"	{
+						  send_user -- "$expect_out(buffer)"
+						  send " "
+						  exp_continue }
+	}
+    }
+    log_user 1
+
+    if { [ string compare "extreme" "$platform" ] } {
+	send "exit\r"
+    } else {
+	send "quit\r"
+    }
+    expect {
+	-re "^\[^\n\r *]*$reprompt"		{
+						  # the Cisco CE and Jnx ERX
+						  # return to non-enabled mode
+						  # on exit in enabled mode.
+						  send "exit\r"
+						  exp_continue;
+						}
+	"Do you wish to save your configuration changes" {
+						  send "n\r"
+						  exp_continue
+						}
+	-re "\[\n\r]+"				{ exp_continue }
+	timeout					{ return 0 }
+	eof					{ return 0 }
+    }
+    set in_proc 0
+}
+
+#
+# For each router... (this is main loop)
+#
+source_password_file $password_file
+set in_proc 0
+set exitval 0
+foreach router [lrange $argv $i end] {
+    set router [string tolower $router]
+    send_user "$router\n"
+
+    # Figure out the prompt.
+    # autoenable is off by default.  If we have it defined, it was done
+    # on the command line.  If it is not specifically set on the command
+    # line, check the password file.
+    if $avautoenable {
+	set autoenable 1
+	set enable 0
+	set prompt "(#| \\(enable\\))"
+    } else {
+	set ae [find autoenable $router]
+	if { "$ae" == "1" } {
+	    set autoenable 1
+	    set enable 0
+	    set prompt "(#| \\(enable\\))"
+	} else {
+	    set autoenable 0
+	    set enable $avenable
+	    set prompt ">"
+	}
+    }
+
+    # look for noenable option in .cloginrc
+    if { [find noenable $router] != "" } {
+	set enable 0
+    }
+
+    # Figure out passwords
+    if { $do_passwd || $do_enapasswd } {
+      set pswd [find password $router]
+      if { [llength $pswd] == 0 } {
+	send_user "\nError: no password for $router in $password_file.\n"
+	continue
+      }
+      if { $enable && $do_enapasswd && $autoenable == 0 && [llength $pswd] < 2 } {
+	send_user "\nError: no enable password for $router in $password_file.\n"
+	continue
+      }
+      set passwd [join [lindex $pswd 0] ""]
+      set enapasswd [join [lindex $pswd 1] ""]
+    }
+
+    # Figure out username
+    if {[info exists username]} {
+      # command line username
+      set ruser $username
+    } else {
+      set ruser [join [find user $router] ""]
+      if { "$ruser" == "" } { set ruser $default_user }
+    }
+
+    # Figure out username's password (if different from the vty password)
+    if {[info exists userpasswd]} {
+      # command line username
+      set userpswd $userpasswd
+    } else {
+      set userpswd [join [find userpassword $router] ""]
+      if { "$userpswd" == "" } { set userpswd $passwd }
+    }
+
+    # Figure out enable username
+    if {[info exists enausername]} {
+      # command line enausername
+      set enauser $enausername
+    } else {
+      set enauser [join [find enauser $router] ""]
+      if { "$enauser" == "" } { set enauser $ruser }
+    }
+
+    # Figure out prompts
+    set u_prompt [find userprompt $router]
+    if { "$u_prompt" == "" } {
+	set u_prompt "(Username|Login|login|user name):"
+    } else {
+	set u_prompt [join [lindex $u_prompt 0] ""]
+    }
+    set p_prompt [find passprompt $router]
+    if { "$p_prompt" == "" } {
+	set p_prompt "(\[Pp]assword|passwd):"
+    } else {
+	set p_prompt [join [lindex $p_prompt 0] ""]
+    }
+    set e_prompt [find enableprompt $router]
+    if { "$e_prompt" == "" } {
+	set e_prompt "\[Pp]assword:"
+    } else {
+	set e_prompt [join [lindex $e_prompt 0] ""]
+    }
+
+    # Figure out cypher type
+    if {[info exists cypher]} {
+        # command line cypher type
+        set cyphertype $cypher
+    } else {
+        set cyphertype [find cyphertype $router]
+        if { "$cyphertype" == "" } { set cyphertype "3des" }
+    }
+
+    # Figure out connection method
+    set cmethod [find method $router]
+    if { "$cmethod" == "" } { set cmethod {{telnet} {ssh}} }
+
+    # Figure out the SSH executable name
+    set sshcmd [find sshcmd $router]
+    if { "$sshcmd" == "" } { set sshcmd {ssh} }
+
+    # Login to the router
+    if {[login $router $ruser $userpswd $passwd $enapasswd $cmethod $cyphertype]} {
+	# if login failed or rsh was successful, move on to the next device
+	incr exitval
+	continue
+    }
+    if { $enable } {
+	if {[do_enable $enauser $enapasswd]} {
+	    if { $do_command || $do_script } {
+		incr exitval
+		catch {close}; catch {wait};
+		continue
+	    }
+	}
+    }
+    # we are logged in, now figure out the full prompt
+    send "\r"
+    expect {
+	-re "\[\r\n]+"		{ exp_continue; }
+	-re "^(.+:)1 $prompt"	{ # stoopid extreme cmd-line numbers and
+				  # prompt based on state of config changes,
+				  # which may have an * at the beginning.
+				  set junk $expect_out(1,string)
+				  regsub -all "^\\\* " $expect_out(1,string) {} junk
+				  set prompt ".? ?$junk\[0-9]+ $expect_out(2,string)";
+				  set platform "extreme"
+				}
+	-re "^.+$prompt"	{ set junk $expect_out(0,string);
+				  regsub -all "\[\]\[]" $junk {\\&} prompt;
+				}
+	-re "^.+> \\\(enable\\\)"	{
+				  set junk $expect_out(0,string);
+				  regsub -all "\[\]\[]" $junk {\\&} prompt;
+				}
+    }
+
+    if { $do_command } {
+	if {[run_commands $prompt $command]} {
+	    incr exitval
+	    continue
+	}
+    } elseif { $do_script } {
+	# If the prompt is (enable), then we are on a switch and the
+	# command is "set length 0"; otherwise its "term length 0".
+	if [ regexp -- ".*> .*enable" "$prompt" ] {
+	    #send "set length 0\r"
+	    #send "set logging session disable\r"
+	} else {
+	    #send "term length 0\r"
+	}
+	expect -re $prompt	{}
+	source $sfile
+	catch {close};
+    } else {
+	label $router
+	log_user 1
+	interact
+    }
+
+    # End of for each router
+    catch {wait};
+    sleep 0.3
+}
+exit $exitval