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Diff for /trango/Net-Telnet-Trango/lib/Net/Telnet/Trango.pm between version 1.1 and 1.15

version 1.1, 2005/12/29 18:41:17 version 1.15, 2006/09/07 03:59:03
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 package Net::Telnet::Trango;  package Net::Telnet::Trango;
 use base 'Net::Telnet';  # $RedRiver: Trango.pm,v 1.14 2006/09/07 02:49:34 andrew Exp $
   use strict;
 my %PRIVATE = (  use warnings;
   is_connected => 0,  use base 'Net::Telnet';
   logged_in => 0,  
 );  =pod
   
   =head1 NAME
 sub AUTOLOAD  
 {  Net::Telnet::Trango - Perl extension for accessing the Trango telnet interface
   my $self = shift;  
   =head1 SYNOPSIS
   my ($method) = (our $AUTOLOAD) =~ /^.*::(\w+)$/  
     or die "Weird: $AUTOLOAD";    use Net::Telnet::Trango;
     my $t = new Net::Telnet::Trango ( Timeout => 5 );
   my $success = 'Success.';  
   my %MEMBERS = (    $t->open( Host => $fox ) or die "Error connecting: $!";
     ver     => {},  
     sysinfo => { waitfor => $success },    $t->login('password') or die "Couldn't log in: $!";
     tftpd   => { waitfor => $success },  
   );    # Do whatever
   
   my %ACCESS = map { $_ => 1 } qw(    $t->exit;
     firmware_version    $t->close;
     host_type  
     Host  =head1 DESCRIPTION
     is_connected  
     logged_in  Perl access to the telnet interface on Trango Foxes, SUs and APs.
     Timeout  
   );  Another handy feature is that it will parse the output from certain commands that is in the format "[key1] value1 [key2] value2" and put those in a hashref that is returned.  This makes using the output from things like sysinfo very easy to do.
   
   if (exists $MEMBERS{$method}) {  =head2 EXPORT
     return $self->cmd($method, $MEMBERS{$method}{waitfor});  
   }  None
   
   if (exists $ACCESS{$method}) {  =cut
     my $var = shift || $PRIVATE{$method};  
     $PRIVATE{$method} = $var;  our $VERSION = '0.01';
     return $var;  
   }  my %PRIVATE = (
     is_connected => 0,
   $method = "SUPER::$method";    logged_in => 0,
   return $self->$method(@_);  );
 }  
   =pod
 sub new  
 {  =item new
   my $class = shift;  
   my $args = shift || {};  Same as new from L<Net::Telnet> but has defaults for the trango 'Prompt'
   
   $args->{'Timeout'} ||= 5;  It also takes an optional parameter 'Decode'.  If not defined it
   $args->{'Prompt'}  ||= '/#> *$/';  defaults to 1, if it is set to 0, it will not decode the output and
   instead return an array of the lines that were returned from the
   foreach my $key (keys %{ $args }) {  command.
     $PRIVATE{$key} = $args->{$key};  
   }  =cut
   
   my $self = $class->SUPER::new(%{ $args });  sub new
   bless $self;  {
     my $class = shift;
   #bless $self, $package;  
   return $self;    my %args;
 }    if (@_ == 1) {
       $args{'Host'} = shift;
 sub connect    } else {
 {      %args = @_;
   my $self = shift;    }
   
   unless ( $self->open(    $args{'Prompt'}  ||= '/#> *$/';
       Host => $self->Host,  
       Errmode => 'return',    foreach my $key (keys %args) {
   ) ) {      $PRIVATE{$key} = $args{$key};
     $! = "Couldn't connect to $self->Host.  Connection timed out.";    }
     return undef, undef;    $PRIVATE{'Decode'} = 1 unless defined $PRIVATE{'Decode'};
   }    delete $args{'Decode'};
   #$self->dump_log('dump.log');  
     my $self = $class->SUPER::new(%args);
   ## Login to remote host.    bless $self if ref $self;
   unless ($self->waitfor(  
     -match => '/password: ?$/i',    return $self;
     -errmode => "return",  }
   ) ) {  
     $! = "problem connecting to host ($self->Host): " . $self->lastline;  #  _password <new password> <new password>
     return undef;  #  ? [command]
   }  #  apsearch <secs> <ch#> <h|v> [<ch#> <h|v>]...
   #  arp -bcast <on|off>
   $self->login_banner($self->lastline);  #  bcastscant <all|suid> <ch#> <h|v> [<ch#> <h|v> ...
   #  bye
   $self->is_connected(1);  #  cf2cf ap [default|<size>]
   #  date
   return ($self->host_type, $self->firmware_version);  #  date <month> <day> <year>
 }  #  freq scantable
   #  freq channeltable
 sub login  #  freq writescan [<ch#> <h|v>]
 {  #  freq writechannel [<ch#> <freq>] ...
   my $self = shift;  #  freq <ch #> <h|v>
   #  help [command]
   my $password = shift;  #  heater [<on temp> <off temp>]
   #  ipconfig [<new ip> <new subnet mask> <new gateway>]
   $self->print($password);  #  log [<# of entries, 1..179>]
   unless ($self->waitfor(  #  log <sum> <# of entries, 1..179>
     -match => $self->prompt,  #  logout
     -errmode => "return",  #  opmode [ap [y]]
   ) ) {  #  password
     $! = "login ($self->Host) failed: " . $self->lastline;  #  ping <ip addr>
     return undef;  #  polar <h|v>
   }  #  power <setism|setunii> <max|min|<dBm>>
   #  reboot
   $self->logged_in(1);  #  restart
   #  remarks [<str>]
   return $self->logged_in;  #  rfrxthreshold [<ism|unii> <-90|-85|-80|-75|-70|-65>]
 }  #  rfrxth [<ism|unii> <-90|-85|-80|-75|-70|-65>]
   #  sysinfo
 sub login_banner  #  set suid <id>
 {  #  set apid <id>
   my $self = shift;  #  set baseid <id>
   #  set defaultopmode [<ap|su> <min,0..10>]
   my $banner = shift || $self->login_banner;  #  set defaultopmode off
   #  set snmpcomm [<read | write | trap (id or setall)> <str>]
   my ($type, $ver) = $banner =~  #  set mir [on|off]
     /Welcome to Trango Broadband Wireless (\S+)[\s-]+(.+)$/i;  #  set mir threshold <kbps>
   #  set rssitarget [<ism|unii> <dBm>]
   $self->host_type($type);  #  set serviceradius [<ism | unii> <miles>]
   $self->firmware_version($ver);  #  ssrssi <ch #> <h|v>
   #  su [<suid>|all]
   return $banner;  #  su changechannel <all|suid> <ch#> <h|v>
 }  #  su ipconfig <suid> <new ip> <new subnet> <new gateway>
   #  su [live|poweroff|priority]
 sub reboot  #  su <ping|info|status> <suid>
 {  #  su powerleveling <all|suid>
   my $self = shift;  #  su reboot <all|suid>
   #  su restart <all|suid>
   $self->print("reboot\n");  #  su testrflink <all|suid> [r]
   $self->getline;  #  su testrflink <setlen> [64..1600]
   #  su testrflink <aptx> [20..100]
   return 1;  #  su sw <suid|all> <sw #> <on|off>
 }  #  sudb [dload | view]
   #  sudb add <suid> pr <cir,kbps> <mir,kbps> <device id,hex>
 sub exit  #  sudb add <suid> reg <cir,kbps> <mir,kbps> <device id,hex>
 {  #  sudb delete <all|<suid>>
   my $self = shift;  #  sudb modify <suid> <cir|mir> <kbps>
   #  sudb modify <suid> <su2su> <group id,hex>
   $self->print("exit\n");  #  sudb view
   $self->getline;  #  sulog [lastmins | sampleperiod <1..60>]
   #  sulog [<# of entry,1..18>]
   return 1;  #  survey <ism|unii> <time, sec> <h|v>
 }  #  sw [<sw #> <on|off>]
   #  temp
 sub enable_tftpd  #  tftpd [on|off]
 {  #  time
   my $self = shift;  #  time <hour> <min> <sec>
   #  save <mainimage|fpgaimage> <current chksum> <new chksum>
   my $vals = $self->cmd('tftpd on', 'Success.');  #  save <systemsetting|sudb>
   #  updateflash <mainimage|fpgaimage> <current chksum> <new chksum>
   if ($vals->{'Tftpd'} eq 'listen') {  #  updateflash <systemsetting|sudb>
     return $vals;  
   } else {  =pod
     return undef;  
   }  =head1 METHODS
 }  
   =head2 ACCESSORS
 sub updateflash  
 {  =over
   my $self = shift;  
   =item Host
   my $old = shift;  
   my $new = shift;  returns the name of the host that you are accessing
   
   return undef unless $new;  =item firmware_version
   
   return $self->cmd("updateflash mainimage $old $new", 'Success.', 90);  returns the firmware version on the trango if available otherwise undef.
 }  Available after a successful open()
   This is usually only set internally
 sub cmd  
 {  =item host_type
   my $self = shift;  
   returns the type of host from the login banner for example M5830S or M5300S.
   my $string = shift;  Available after a successful open()
   my $expect_last = shift;  This is usually only set internally
   my $timeout = shift || $self->Timeout;  
   =item is_connected
   unless (defined $string) {  
     $! = "No command passed";  returns 1 after a successful open() otherwise undef
     return undef;  This is usually only set internally
   }  
   =item logged_in
   unless ($self->is_connected) {  
     $! = "Not connected";  returns 1 after a successful login() 0 if it failed and undef if
     return undef;  login() was never called
   }  This is usually only set internally
   
   unless ($self->logged_in) {  =item login_banner
     $! = "Not logged in";  
     return undef;  returns the banner that is displayed when first connected at login.  Only set after a successful open()
   }  
   This is usually only set internally
   my @lines = $self->SUPER::cmd(String => $string, Timeout => $timeout);  
   =item last_lines
   my $vals = _decode_lines(@lines);  
   returns the output from the last cmd() that was run as an array ref
   unless ($expect_last) {  This is usually only set internally
     return $vals;  
   }  =back
   
   my $last = $self->lastline;  =head2 ALIASES
   
   if ($last =~ /$expect_last$/) {  =over
     return $vals;  
   } else {  =item bye
     warn "Error with command ($string): $last";  
     return undef;  alias of exit()
   }  
 }  =item restart
   
 sub _decode_lines  alias of reboot()
 {  
   my @lines = @_;  =back
   
   my %conf;  =head2 COMMANDS
   
   my $key = '';  Most of these are just shortcuts to C<cmd(String =E<gt> METHOD)>, as such they accept the same options as C<cmd()>.  Specifically they take a named paramater "args", for example:
   my $val = '';  C<tftpd(args =E<gt> 'on')> would enable tftpd
   my $in_key = 0;  
   my $in_val = 0;  =over
   
   foreach my $line (@lines) {  =item tftpd
     my @chars = split //, $line;  
   Returns a hash ref of the decoded output from the command.
     my $last_key = '';  
     foreach my $c (@chars) {  Also see enable_tftpd() and disable_tftpd() as those check for correct output
   
       if ($c eq '[' || $c eq "\r" || $c eq "\n") {  =item ver
         if ($c eq '[') {  
           $in_key = 1;  Returns a hash ref of the decoded output from the command.
           $in_val = 0;  
         } else {  =item sysinfo
           $in_key = 0;  
           $in_val = 0;  Returns a hash ref of the decoded output from the command.
         }  
   =item exit
         if ($key) {  
           $key =~ s/^\s+//;  exits the command session with the trango and closes the connection
           $key =~ s/\s+$//;  
   =item reboot
           $val =~ s/^\s+//;  
           $val =~ s/\s+$//;  reboots the trango and closes the connection
   
           if ($key eq 'Checksum' && $last_key) {  =item sulog
             # Special case for these bastids.  
             my $new = $last_key;  returns an array ref of hashes containing each log line.
             $new =~ s/\s+\S+$//;  
             $key = $new . " " . $key;  =item save_sudb
           }  
   returns true on success, undef on failure
           $last_key = $key;  
           $conf{$key} = $val;  =item syslog
           $key = '';  
           $val = '';  returns the output from the syslog command
         }  
   =item pipe
       } elsif ($c eq ']') {  
         $in_val = 1;  returns the output from the pipe command
         $in_key = 0;  
         $c = shift @chars;  =item maclist
   
       } elsif ($in_key) {  returns the output from the maclist command
         $key .= $c;  
   =item maclist_reset
       } elsif ($in_val) {  
         $val .= $c;  resets the maclist.  No useful output.
       }  
     }  =item eth_list
   }  
   #print Dump \%conf;  returns the output from the eth list command
   
   if (%conf) {  =cut
     return \%conf;  
   } else {  
     return \@lines;  my $success = 'Success.';
   }  my %COMMANDS = (
 }    tftpd       => { decode => 'all',   expect => $success },
     ver         => { decode => 'all' },
     sysinfo     => { decode => 'all',   expect => $success },
     updateflash => { decode => 'all',   expect => $success },
     sulog       => { decode => 'sulog', expect => $success },
     'exit'      => { no_prompt => 1, cmd_disconnects => 1 },
     reboot      => { no_prompt => 1, cmd_disconnects => 1 },
     save_sudb   => { String => 'save sudb', expect => $success },
     syslog      => { expect => $success },
     'pipe'      => { }, # XXX needs a special decode
     maclist     => { decode => 'maclist' },
     maclist_reset => { String => 'maclist reset', expect => 'done' },
     eth_link    => { String => 'eth link', expect => $success },
     # eth r, w and reset???
     #su password???
     #_bootloader
     #temp
     #heater
   );
   
   my %ALIASES = (
     bye     => 'exit',
     restart => 'reboot',
   );
   
   my %ACCESS = map { $_ => 1 } qw(
     firmware_version
     host_type
     Host
     is_connected
     logged_in
     login_banner
     Timeout
     last_lines
     last_vals
   );
   
   sub AUTOLOAD
   {
     my $self = shift;
   
     my ($method) = (our $AUTOLOAD) =~ /^.*::(\w+)$/
       or die "Weird: $AUTOLOAD";
   
     if (exists $ALIASES{$method}) {
       $method = $ALIASES{$method};
       return $self->$method(@_);
     }
   
     if (exists $COMMANDS{$method}) {
       $method = shift if (@_ == 1);
       $COMMANDS{$method}{'String'} ||= $method;
       return $self->cmd(%{ $COMMANDS{$method} }, @_);
     }
   
     if (exists $ACCESS{$method}) {
       my $prev = $PRIVATE{$method};
       ($PRIVATE{$method}) = @_ if @_;
       return $prev;
     }
   
     $method = "SUPER::$method";
     return $self->$method(@_);
   }
   
   =pod
   
   =item open
   
   Calls Net::Telnet::open() then makes sure you get a password prompt so you are ready to login() and parses the login banner so you can get host_type() and firmware_version()
   
   =cut
   
   sub open
   {
     my $self = shift;
   
     unless ( $self->SUPER::open(@_) ) {
       #$! = "Couldn't connect to " . $self->Host . ":  $!";
       return undef;
     }
   
     ## Get to login prompt
     unless ($self->waitfor(
         -match => '/password: ?$/i',
         -errmode => "return",
       ) ) {
       #$! = "problem connecting to host (" . $self->Host . "): " .
       #    $self->lastline;
       return undef;
     }
   
     $self->parse_login_banner($self->lastline);
   
     $self->is_connected(1);
   
     return $self->is_connected;
   }
   
   =pod
   
   =item login
   
   Calls open() if not already connected, then sends the password and sets logged_in() if successful
   
   =cut
   
   sub login
   {
     my $self = shift;
   
     unless ($self->is_connected) {
       $self->open or return undef;
     }
   
     my $password = shift;
   
     $self->print($password);
     unless ($self->waitfor(
       -match => $self->prompt,
       -errmode => "return",
     ) ) {
       #$! = "login ($self->Host) failed: " . $self->lastline;
       return undef;
     }
   
     $self->logged_in(1);
   
     return $self->logged_in;
   }
   
   =pod
   
   =item parse_login_banner
   
   Takes a login banner (what you get when you first connect to the Trango) or reads what is already in login_banner() then parses it and sets host_type() and firmware_version() as well as login_banner()
   
   =cut
   
   sub parse_login_banner
   {
     my $self = shift;
   
     if (@_) {
       $self->login_banner(@_);
     }
   
     my $banner = $self->login_banner;
   
     my ($type, $ver) = $banner =~
       /Welcome to Trango Broadband Wireless (\S+)[\s-]+(.+)$/i;
   
     $self->login_banner($banner);
     $self->host_type($type);
     $self->firmware_version($ver);
   
     return 1;
   }
   
   =pod
   
   =item su_password
   
   C<su_password('all'|suid, 'new_password')>
   
   =cut
   
   sub su_password
   {
     my $self     = shift;
     my $su       = shift || '!';
     my $new_pass = shift || '';
   
     unless (defined $su) {
       warn "No su passed!"
       #return undef;
     }
   
     unless (defined $new_pass) {
       warn "No new password!"
       #return undef;
     }
   
     return $self->cmd(String => 'su password ' .
                        $su . ' ' .
                        $new_pass . ' ' .
                        $new_pass,
                        expect => $success,
                       );
   }
   
   =pod
   
   =item su_ipconfig
   
   C<su_ipconfig( 'suid', 'new_ip', 'new_subnet', 'new_gateway' )>
   
   =cut
   
   sub su_ipconfig
   {
           my $self        = shift;
   
           my $suid        = shift;
           my $new_ip      = shift;
           my $new_subnet  = shift;
           my $new_gateway = shift;
   
           return undef unless $suid =~ /^\d+$/;
           return undef unless $new_ip;
           return undef unless $new_subnet;
           return undef unless $new_gateway;
   
           # su ipconfig <suid> <new ip> <new subnet> <new gateway>
           return $self->cmd(String => 'su ipconfig ' .
                        $suid       . ' ' .
                        $new_ip     . ' ' .
                        $new_subnet . ' ' .
                        $new_gateway,
                        expect => $success,
                       );
   }
   
   =pod
   
   =item sudb_view
   
   returns a reference to an array of hashes each containing:
   
     suid
     type
     cir
     mir
     mac
   
   =cut
   
   sub sudb_view
   {
     my $self = shift;
   
     my @lines = $self->cmd( String => 'sudb view', expect => $success );
   
     return undef unless @lines;
   
     unless ($PRIVATE{'Decode'}) {
       return @lines;
     }
   
     my @sus;
     foreach (@lines) {
       next unless $_;
       if (/^\[(\d+)\]\s+(\d+)\s+(\d+)\s+(\d+)\s+([0-9A-Fa-f\s]+)$/) {
         my %s = (
           suid => $1,
           type => $2,
           cir  => $3,
           mir  => $4,
           mac  => $5,
         );
   
             $s{'mac'} =~ s/\s//g;
             $s{'mac'} = uc($s{'mac'});
   
         push @sus, \%s;
       }
     }
   
     return \@sus;
   }
   
   =pod
   
   =item sudb_add
   
   Takes the following paramaters
   
           suid : numeric,
           type : (reg|pr)
           cir  : numeric,
           mir  : numeric,
           mac  : Almost any format, it will be reformatted,
   
   and returns true on success or undef otherwise.
   
   You should save_sudb() after calling this, or your changes  will be lost
   when the AP is rebooted.
   
   =cut
   
   sub sudb_add
   {
           my $self = shift;
           my $suid = shift;
           my $type = shift;
           my $cir  = shift;
           my $mir  = shift;
           my $mac  = shift;
   
           if ($suid =~ /\D/) {
                   return undef;
           }
   
           unless (lc($type) eq 'reg' || lc($type) eq 'pr') {
                   warn "Invalid type '$type'!";
                   return undef;
           }
   
           if ($cir =~ /\D/) {
                   warn "Invalid CIR '$cir'!";
                   return undef;
           }
   
           if ($mir =~ /\D/) {
                   warn "Invalid MIR '$mir'!";
                   return undef;
           }
   
           my $new_mac = $mac;
           $new_mac =~ s/[^0-9A-Fa-f]//;
           unless (length $new_mac == 12) {
                   warn "Invalid MAC '$mac'!";
                   return undef;
           }
           $new_mac = join ' ', $new_mac =~ /../g;
   
           my $string = 'sudb add ' .
                   $suid . ' ' .
                   $type . ' ' .
                   $cir  . ' ' .
                   $mir  . ' ' .
                   $new_mac;
   
   
           return $self->cmd( String => $string, expect => $success );
   }
   
   =pod
   
   =item sudb_delete
   
   Takes either 'all' or the  suid of the su to delete
   and returns true on success or undef otherwise.
   
   You should save_sudb() after calling this, or your changes  will be lost
   when the AP is rebooted.
   
   =cut
   
   sub sudb_delete
   {
           my $self = shift;
           my $suid = shift;
   
           if (lc($suid) ne 'all' || $suid =~ /\D/) {
                   return undef;
           }
   
           return $self->cmd( String => 'sudb delete ' . $suid, expect => $success );
   }
   
   =pod
   
   =item sudb_modify
   
   Takes either the  suid of the su to delete
   as well as what you are changing, either "cir, mir or su2su"
   and returns true on success or undef otherwise.
   
   cir and mir also take a value to set the cir/mir to.
   
   su2su takes a group id parameter that is in hex.
   
   You should save_sudb() after calling this, or your changes  will be lost
   when the AP is rebooted.
   
   =cut
   
   sub sudb_modify
   {
           my $self  = shift;
           my $suid  = shift;
           my $opt   = shift;
           my $value = shift;
   
           if ($suid =~ /\D/) {
                   return undef;
           }
   
           if (lc($opt) eq 'cir' or lc($opt) eq 'mir') {
                   if ($value =~ /\D/) {
                           return undef;
                   }
           } elsif (lc($opt) eq 'su2su') {
                   if ($value =~ /[^0-9A-Za-f]/) {
                           return undef;
                   }
           } else {
                   return undef;
           }
   
           my $string = 'sudb modify ' . $suid . ' ' . $opt . ' ' . $value;
   
           return $self->cmd( String => $string, expect => $success );
   }
   
   =pod
   
   =item enable_tftpd
   
   runs C<tftpd(args =E<gt> 'on')> and makes sure that Tftpd is now 'listen'ing
   
   =cut
   
   sub enable_tftpd
   {
     my $self = shift;
   
     my $vals = $self->tftpd( args => 'on' );
   
     if ($vals->{'Tftpd'} eq 'listen') {
       return $vals;
     } else {
       return undef;
     }
   }
   
   =pod
   
   =item disable_tftpd
   
   runs C<tftpd(args =E<gt> 'off')> and makes sure that Tftpd is now 'disabled'
   
   =cut
   
   sub disable_tftpd
   {
     my $self = shift;
   
     my $vals = $self->tftpd( args => 'off' );
   
     if (ref $vals eq 'HASH' && $vals->{'Tftpd'} eq 'disabled') {
       return $vals;
     } else {
       return undef;
     }
   }
   
   =pod
   
   =item cmd
   
   This does most of the work.  At the heart, it calls Net::Telnet::cmd() but it also does some special stuff for Trango.
   
   Normally returns the last lines from from the command
   
   Also accepts these options:
   
   I<decode>
   - if this is true, then it will send the output lines to _decode_lines() and then returns the decoded output
   
   I<cmd_disconnects>
   - if this is true, it then sets logged_in() to false, then it will close() the connection and then sets is_connected() to false
   
   I<expect>
   - if this is set (usually to 'Success.') it will check for that in the last line of output and if it does not, will return undef because the command probably failed
   
   I<args>
   - a string containing the command line options that are passed to the command
   
   =cut
   
   sub cmd
   {
     my $self = shift;
   
     my @valid_net_telnet_opts = qw(
       String
       Output
       Cmd_remove_mode
       Errmode
       Input_record_separator
       Ors
       Output_record_separator
       Prompt
       Rs
       Timeout
     );
   
     my %cfg;
     if (@_ == 1) {
       $cfg{'String'} = shift;
     } elsif (@_ > 1) {
       %cfg = @_;
     }
   
     $cfg{'Timeout'} ||= $self->Timeout;
   
     unless ($cfg{'String'}) {
       #$! = "No command passed";
       #warn "No command passed\n";
       return undef;
     }
   
     unless ($self->is_connected) {
       #$! = "Not connected";
       #warn "Not connected\n";
       return undef;
     }
   
     unless ($self->logged_in) {
       #$! = "Not logged in";
       #warn "Not logged in\n";
       return undef;
     }
   
   
     my %cmd;
     foreach (@valid_net_telnet_opts) {
       if (exists $cfg{$_}) {
         $cmd{$_} = $cfg{$_};
       }
     }
     if ($cfg{'args'}) {
       $cmd{'String'} .= ' ' . $cfg{'args'};
     }
     my @lines;
     unless ($cfg{'no_prompt'}) {
       @lines = $self->SUPER::cmd(%cmd);
     } else {
       $self->print($cmd{'String'});
       @lines = $self->lastline;
     }
   
     $self->last_lines(\@lines);
   
     my $vals = 1;
     if ($PRIVATE{'Decode'} && $cfg{'decode'}) {
       if ($cfg{'decode'} eq 'each') {
         $vals = _decode_each_line(@lines);
       } elsif ($cfg{'decode'} eq 'sulog') {
         $vals = _decode_sulog(@lines);
       } elsif ($cfg{'decode'} eq 'maclist') {
         $vals = _decode_maclist(@lines);
       } else {
         $vals = _decode_lines(@lines);
       }
     }
   
     $self->last_vals($vals);
   
   
     my $last = $self->lastline;
   
     if ((not $cfg{'expect'}) || $last =~ /$cfg{'expect'}$/) {
       if ($cfg{'cmd_disconnects'}) {
         $self->logged_in(0);
         $self->close;
         $self->is_connected(0);
       }
   
       if ($PRIVATE{'Decode'} && $cfg{'decode'}) {
         return $vals;
       } else {
         return @lines;
       }
     } else {
       #$! = "Error with command ($cfg{'string'}): $last";
       return undef;
     }
   }
   
   #=item _decode_lines
   
   sub _decode_lines
   {
     my @lines = @_;
   
     my %conf;
   
     my $key = '';
     my $val = '';
     my $in_key = 0;
     my $in_val = 0;
   
     foreach my $line (@lines) {
       next if $line =~ /$success$/;
   
       my @chars = split //, $line;
   
       my $last_key = '';
       foreach my $c (@chars) {
   
         if ($c eq '[' || $c eq "\r" || $c eq "\n") {
           if ($c eq '[') {
             $in_key = 1;
             $in_val = 0;
           } else {
             $in_key = 0;
             $in_val = 0;
           }
   
           if ($key) {
             $key =~ s/^\s+//;
             $key =~ s/\s+$//;
   
             $val =~ s/^\s+//;
             $val =~ s/\s+$//;
   
             if ($key eq 'Checksum' && $last_key) {
               # Special case for these bastids.
               my $new = $last_key;
               $new =~ s/\s+\S+$//;
               $key = $new . " " . $key;
             }
   
             $last_key = $key;
             $conf{$key} = $val;
             $key = '';
             $val = '';
           }
   
         } elsif ($c eq ']') {
           $in_val = 1;
           $in_key = 0;
           $c = shift @chars;
   
         } elsif ($in_key) {
           $key .= $c;
   
         } elsif ($in_val) {
           $val .= $c;
         }
       }
     }
   
     if (%conf) {
       return \%conf;
     } else {
       return undef;
     }
   }
   
   #=item _decode_each_line
   
   sub _decode_each_line
   {
     my @lines = @_;
     my @decoded;
     foreach my $line (@lines) {
       my $decoded = _decode_lines($line);
       push @decoded, $decoded if defined $decoded;
     }
     return \@decoded;
   }
   
   #=item _decode_sulog
   
   sub _decode_sulog
   {
     my @lines = @_;
     my @decoded;
     my $last_tm;
     foreach my $line (@lines) {
       my $decoded = _decode_lines($line);
   
       if (defined $decoded) {
         if ($decoded->{'tm'}) {
           $last_tm = $decoded->{'tm'};
           next;
         } else {
           $decoded->{'tm'} = $last_tm;
         }
         next unless $last_tm;
   
         push @decoded, $decoded if defined $decoded;
       }
     }
     return \@decoded;
   }
   
   #=item _decode_maclist
   
   sub _decode_maclist
   {
           my @lines = @_;
           my @decoded;
           my $total_entries = 0;
           my $current_tm = 0;
           foreach my $line (@lines) {
                   $line =~ s/\r?\n$//;
                   my ($mac, $loc, $tm) = $line =~ /
                           ([0-9a-fA-F ]{17})\s+
                           (.*)\s+
                           tm\s+
                           (\d+)
                   /x;
   
                   if ($mac) {
                           $mac =~ s/\s+//g;
                           $loc =~ s/^\s+//;
                           $loc =~ s/\s+$//;
   
                           my $suid = undef;
                           if ($loc =~ /suid\s+=\s+(\d+)/) {
                                   $suid = $1;
                                   $loc = undef;
                           }
   
                           push @decoded, {
                                   mac  => $mac,
                                   loc  => $loc,
                                   tm   => $tm,
                                   suid => $suid,
                           };
                   } elsif ($line =~ /(\d+)\s+entries/) {
                           $total_entries = $1;
                   } elsif ($line =~ /current tm = (\d+)\s+sec/) {
                           $current_tm = $1
                   }
           }
   
           map { $_->{'cur_tm'} = $current_tm } @decoded;
   
           if (scalar @decoded == $total_entries) {
                   return \@decoded;
           } else {
                   # XXX we should have a way to set last error, not sure why we don't
                   return undef;
           }
   }
   
   1;
   __END__
   
   =back
   
   =head1 SEE ALSO
   
   Trango Documentation - http://www.trangobroadband.com/support/product_docs.htm
   
   L<Net::Telnet>
   
   =head1 TODO
   
   There are still a lot of commands that are not accessed directly.  If you call them (as cmd("command + args") or whatever) and it works, please send me examples that work and I will try to get it incorporated into the next version of the script.
   
   I also want to be able to parse the different types of output from commands like su, sudb all and anything else that would be better available as a perl datastructure.
   
   =head1 AUTHOR
   
   Andrew Fresh E<lt>andrew@rraz.netE<gt>
   
   =head1 COPYRIGHT AND LICENSE
   
   Copyright (C) 2005 by Andrew Fresh
   
   This library is free software; you can redistribute it and/or modify
   it under the same terms as Perl itself, either Perl version 5.8.7 or,
   at your option, any later version of Perl 5 you may have available.
   
   
   =cut
Legend:
Removed from v.1.1  
changed lines
  Added in v.1.15
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