[rancid] [PATCH 2/2] Multiple fixes/improvements for Extreme XOS
john heasley
heas at shrubbery.net
Wed Nov 30 22:01:07 UTC 2011
Wed, Nov 30, 2011 at 09:51:10PM +0000, john heasley:
> Wed, Nov 30, 2011 at 08:12:43PM +0200, Zenon Mousmoulas:
> > On Tue, 29 Nov 2011 22:51:46 +0000, john heasley <heas at shrubbery.net>
> > wrote:
> > > Mon, Nov 28, 2011 at 03:36:45PM +0200, Zenon Mousmoulas:
> > >> Improve support for Extreme Networks devices running XOS:
> > >> - The pager can be disabled per session since XOS 12.3, try to do that
> > >> in order to avoid struggling with pager prompts and ANSI sequences
> > >> altogether (clogin).
> > >
> > >> +++ rancid-2.3.6-grnet/bin/clogin.in 2011-11-26 00:15:17.000000000
> > +0200
> > >> @@ -610,11 +610,9 @@
> > >> global do_saveconfig 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 "terminal length 0".
> > >> - # skip if its an extreme (since the pager can not be disabled on a
> > >> - # per-vty basis).
> > >> if { [ string compare "extreme" "$platform" ] } {
> > >> + # If the prompt is (enable), then we are on a switch and the
> > >> + # command is "set length 0"; otherwise its "terminal length
> > 0".
> > >> if [ regexp -- ".*> .*enable" "$prompt" ] {
> > >> send "set length 0\r"
> > >> # This is ugly, but reduces code duplication, allowing the
> > >> @@ -631,7 +629,12 @@
> > >> -re "\[\n\r]+" { exp_continue }
> > >> }
> > >> } else {
> > >> + send "disable clipaging\r"
> > >> set reprompt $prompt
> > >> + expect {
> > >> + -re $reprompt {}
> > >> + -re "\[\n\r]+" { exp_continue }
> > >> + }
> > >> }
> > >>
> > >> # this is the only way i see to get rid of more prompts in
> > >> o/p..grrrrr
> > >> @@ -640,11 +643,14 @@
> > >> 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 the "More" prompt.
> > >
> > > i think this what you really want:
> >
> > The following diff seems to be against some version of clogin (other
> > than 2.3.6) I don't have access to (is there a public source code repo
> > for rancid, btw?) so I can not apply/try it and therefore I'm not sure
> > if it is what I really want.
>
> attached
Sorry, forgot the attachment.
-------------- next part --------------
#! @EXPECT_PATH@ --
##
## $Id: clogin.in 2333 2011-11-17 21:09:05Z heas $
##
## @PACKAGE@ @VERSION@
## Copyright (c) @COPYYEARS@ by Terrapin Communications, Inc.
## All rights reserved.
##
## This code is derived from software contributed to and maintained by
## Terrapin Communications, Inc. by Henry Kilmer, John Heasley, Andrew Partan,
## Pete Whiting, Austin Schutz, and Andrew Fort.
##
## Redistribution and use in source and binary forms, with or without
## modification, are permitted provided that the following conditions
## are met:
## 1. Redistributions of source code must retain the above copyright
## notice, this list of conditions and the following disclaimer.
## 2. Redistributions in binary form must reproduce the above copyright
## notice, this list of conditions and the following disclaimer in the
## documentation and/or other materials provided with the distribution.
## 3. All advertising materials mentioning features or use of this software
## must display the following acknowledgement:
## This product includes software developed by Terrapin Communications,
## Inc. and its contributors for RANCID.
## 4. Neither the name of Terrapin Communications, Inc. nor the names of its
## contributors may be used to endorse or promote products derived from
## this software without specific prior written permission.
## 5. It is requested that non-binding fixes and modifications be contributed
## back to Terrapin Communications, Inc.
##
## THIS SOFTWARE IS PROVIDED BY Terrapin Communications, INC. AND CONTRIBUTORS
## ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
## TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
## PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COMPANY OR CONTRIBUTORS
## BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
## CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
## SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
## INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
## CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
## ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
## POSSIBILITY OF SUCH DAMAGE.
#
# The expect login scripts were based on Erik Sherk's gwtn, by permission.
#
# clogin - 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 \[-dSV\] \[-autoenable\] \[-noenable\] \[-c command\] \
\[-Evar=x\] \[-e enable-password\] \[-f cloginrc-file\] \[-p user-password\] \
\[-r passphrase\] \[-s script-file\] \[-t timeout\] \[-u username\] \
\[-v vty-password\] \[-w enable-username\] \[-x command-file\] \
\[-y ssh_cypher_type\] 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 0
# 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
# Save config, if prompted
set do_saveconfig 0
# Sometimes routers take awhile to answer (the default is 10 sec)
set timeoutdflt 45
#
set send_human {.4 .4 .7 .3 5}
# 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
}
if {[info exists env(CLOGINRC)]} {
set password_file $env(CLOGINRC)
}
# Process the command line
for {set i 0} {$i < $argc} {incr i} {
set arg [lindex $argv $i]
switch -glob -- $arg {
# Expect debug mode
-d* {
exp_internal 1
# Username
} -u* {
if {! [regexp .\[uU\](.+) $arg ignore user]} {
incr i
set username [lindex $argv $i]
}
# VTY Password
} -p* {
if {! [regexp .\[pP\](.+) $arg ignore userpasswd]} {
incr i
set userpasswd [lindex $argv $i]
}
set do_passwd 0
# ssh passphrase
} -r* {
if {! [regexp .\[rR\](.+) $arg ignore passphrase]} {
incr i
set vapassphrase [lindex $argv $i]
}
# VTY Password
} -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* {
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* {
if {! [regexp .\[cC\](.+) $arg ignore command]} {
incr i
set command [lindex $argv $i]
}
set do_command 1
# Expect script to run.
} -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
# save config on exit
} -S* {
set do_saveconfig 1
# 'ssh -c' cypher type
} -y* {
if {! [regexp .\[eE\](.+) $arg ignore cypher]} {
incr i
set cypher [lindex $argv $i]
}
# alternate cloginrc file
} -f* {
if {! [regexp .\[fF\](.+) $arg ignore password_file]} {
incr i
set password_file [lindex $argv $i]
}
# Timeout
} -t* {
if {! [regexp .\[tT\](.+) $arg ignore timeout]} {
incr i
set timeoutdflt [lindex $argv $i]
}
# Command file
} -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 clogin
# 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 identfile } {
global command spawn_id in_proc do_command do_script platform passphrase
global prompt prompt_match 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:]]+))*} $prog methcmd suffix port
if {"$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] {
# ssh to the router & try to login with or without an identfile.
regexp {ssh(:([^[:space:]]+))*} $prog methcmd suffix port
set cmd $sshcmd
if {"$port" != ""} {
set cmd "$cmd -p $port"
}
if {"$identfile" != ""} {
set cmd "$cmd -i $identfile"
}
set retval [catch {eval spawn [split "$cmd -c $cyphertype -x -l $user $router" { }]} reason]
if { $retval } {
send_user "\nError: $cmd failed: $reason\n"
return 1
}
} elseif ![string compare $prog "rsh"] {
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 "^<-+ More -+>\[^\n\r]*" {
# ASA will use the pager for long banners
send " ";
exp_continue
}
-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" {
send_user "\nError: Unknown host $router\n";
catch {close}; catch {wait};
return 1
}
"Host is unreachable" {
send_user "\nError: Host Unreachable: $router\n";
catch {close}; catch {wait};
return 1
}
"No address associated with name" {
send_user "\nError: Unknown host $router\n";
catch {close}; catch {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"
catch {close}; catch {wait};
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"
catch {close}; catch {wait};
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"
catch {close}; catch {wait}; return 1
}
-re "% (Bad passwords|Authentication failed)" {
send_user "\nError: Check your passwd for $router\n"
catch {close}; catch {wait}; 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 "Last login:" {
exp_continue
}
-re "@\[^\r\n]+ $p_prompt" {
# ssh pwd prompt
sleep 1
send -- "$userpswd\r"
exp_continue
}
-re "Enter passphrase.*: " {
# sleep briefly to allow time for stty -echo
sleep .3
send -- "$passphrase\r"
exp_continue
}
-re "$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" {
set prompt_match $expect_out(0,string);
break;
}
"Login invalid" {
send_user "\nError: Invalid login: $router\n";
catch {close}; catch {wait}; return 1
}
}
}
set in_proc 0
return 0
}
# Enable
proc do_enable { enauser enapasswd } {
global do_saveconfig in_proc
global prompt u_prompt e_prompt
set in_proc 1
send "enable\r"
expect {
-re "$u_prompt" { send -- "$enauser\r"; exp_continue}
-re "$e_prompt" { send -- "$enapasswd\r"; exp_continue}
"#" { set prompt "#" }
"(enable)" { set prompt "> \\(enable\\) " }
-re "(denied|Sorry|Incorrect)" {
# % Access denied - from local auth and poss. others
send_user "\nError: Check your Enable passwd\n";
return 1
}
"% Error in authentication" {
send_user "\nError: Check your Enable passwd\n"
return 1
}
"% Bad passwords" {
send_user "\nError: Check your Enable passwd\n"
return 1
}
}
# We set the prompt variable (above) so script files don't need
# to know what it is.
set in_proc 0
return 0
}
# Run commands given on the command line.
proc run_commands { prompt command } {
global do_saveconfig in_proc platform
set in_proc 1
# If the prompt is (enable), then we are on a switch and the
# command is "set length 0"; otherwise its "terminal length 0".
# skip if its an extreme (since the pager can not be disabled on a
# per-vty basis).
if { [string compare "extreme" "$platform"] } {
# match cisco config mode prompts too, such as router(config-if)#,
# but catalyst does not change in this fashion.
regsub -all {^(.{1,11}).*([#>])$} $prompt {\1([^#>\r\n]+)?[#>](\\([^)\\r\\n]+\\))?} reprompt
} else {
set reprompt $prompt
}
# this is the only way i see to get rid of more prompts in o/p..grrrrr
log_user 0
set commands [split $command \;]
set num_commands [llength $commands]
# the pager can not be turned off on the PIX, so we have to look
# for the "More" prompt. the extreme is equally obnoxious in pre-12.3 XOS,
# with a global switch in the config.
for {set i 0} {$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 "^--More--\[\r\n]+" { # specific match c1900 pager
send " "
exp_continue
}
-re "\[^\r\n]*\[\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 -h "exit\r"
} else {
send -h "quit\r"
}
expect {
-re "^\[^\n\r *]*$reprompt" {
# the Cisco CE and Jnx ERX
# return to non-enabled mode
# on exit in enabled mode.
send -h "exit\r"
exp_continue;
}
"The system has unsaved changes" { # Force10 SFTOS
if {$do_saveconfig} {
catch {send "y\r"}
} else {
catch {send "n\r"}
}
exp_continue
}
"Would you like to save them now" { # Force10
if {$do_saveconfig} {
catch {send "y\r"}
} else {
catch {send "n\r"}
}
exp_continue
}
-re "(Profile|Configuration) changes have occurred.*" {
# Cisco CSS
if {$do_saveconfig} {
catch {send "y\r"}
} else {
catch {send "n\r"}
}
exp_continue
}
"Do you wish to save your configuration changes" {
if {$do_saveconfig} {
catch {send "y\r"}
} else {
catch {send "n\r"}
}
exp_continue
}
-re "\[\n\r]+" { exp_continue }
timeout { catch {close}; catch {wait};
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
set prompt_match ""
set enable 0
foreach router [lrange $argv $i end] {
set router [string tolower $router]
# attempt at platform switching.
set platform ""
send_user -- "$router\n"
# device timeout
set timeout [find timeout $router]
if { [llength $timeout] == 0 } {
set timeout $timeoutdflt
}
# Default prompt.
set prompt "(>|#| \\(enable\\))"
# look for noenable option in .cloginrc
if { [find noenable $router] == "1" } {
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] ""]
} else {
set passwd $userpasswd
set enapasswd $enapasswd
}
# 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|User):"
} else {
set u_prompt [join [lindex $u_prompt 0] ""]
}
set p_prompt [find passprompt $router]
if { "$p_prompt" == "" } {
set p_prompt "(\[Pp]assword|passwd|Enter password for \[^ :]+):"
} 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 identity file to use
set identfile [join [lindex [find identity $router] 0] ""]
# Figure out passphrase to use
if {[info exists avpassphrase]} {
set passphrase $avpassphrase
} else {
set passphrase [join [lindex [find passphrase $router] 0] ""]
}
if { ! [string length "$passphrase"]} {
set passphrase $passwd
}
# 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 [join [lindex [find sshcmd $router] 0] ""]
if { "$sshcmd" == "" } { set sshcmd {ssh} }
# Login to the router
if {[login $router $ruser $userpswd $passwd $enapasswd $cmethod $cyphertype $identfile]} {
incr exitval
# if login failed or rsh was unsuccessful, move on to the next device
continue
}
# Figure out the prompt.
if { [regexp -- "(#| \\(enable\\))" $prompt_match junk] == 1 } {
set enable 0
} else {
if { $avenable == 0 } {
set enable 0
} else {
set ne [find noenable $router]
set ae [find autoenable $router]
if { "$ne" == "1" || "$ae" == "1" || $avautoenable } {
set enable 0
} else {
set enable 1
}
}
}
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
regsub -all "\[\]\[\(\)]" $junk {\\&} junk;
set prompt ".? ?$junk\[0-9]+ $expect_out(2,string)";
set platform "extreme"
}
-re "^.+$prompt" { set junk $expect_out(0,string);
regsub -all "\[\]\[\(\)]" $junk {\\&} prompt;
}
}
if { $do_command || $do_script } {
if { [ string compare "extreme" "$platform" ] } {
# If the prompt is (enable), then we are on a switch and the
# command is "set length 0"; otherwise its "terminal length 0".
if [regexp -- ".*> .*enable" "$prompt"] {
send "set length 0\r"
expect -re $prompt {}
send "set width 132\r"
expect -re $prompt {}
send "set logging session disable\r"
} else {
send "terminal length 0\r"
expect -re $prompt {}
send "terminal width 132\r"
}
expect -re $prompt {}
} else {
send "disable clipaging\r"
expect -re $prompt {}
}
}
if { $do_command } {
if {[run_commands $prompt $command]} {
incr exitval
continue
}
} elseif { $do_script } {
source $sfile
catch {close};
} else {
label $router
log_user 1
interact
}
# End of for each router
catch {wait};
sleep 0.3
}
exit $exitval
More information about the Rancid-discuss
mailing list