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Diff for /trango/Net-Telnet-Trango/lib/Net/Telnet/Trango.pm between version 1.16 and 1.32

version 1.16, 2006/09/07 04:00:07 version 1.32, 2007/02/02 18:59:50
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 package Net::Telnet::Trango;  package Net::Telnet::Trango;
 # $RedRiver: Trango.pm,v 1.14 2006/09/07 02:49:34 andrew Exp $  # $RedRiver: Trango.pm,v 1.31 2007/02/02 18:54:22 andrew Exp $
 use strict;  use strict;
 use warnings;  use warnings;
 use base 'Net::Telnet';  use base 'Net::Telnet';
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 =head1 NAME  =head1 NAME
   
 Net::Telnet::Trango - Perl extension for accessing the Trango telnet interface  Net::Telnet::Trango
   - Perl extension for accessing the Trango telnet interface
   
 =head1 SYNOPSIS  =head1 SYNOPSIS
   
   use Net::Telnet::Trango;    use Net::Telnet::Trango;
   my $t = new Net::Telnet::Trango ( Timeout => 5 );    my $t = new Net::Telnet::Trango ( Timeout => 5 );
   
   $t->open( Host => $fox ) or die "Error connecting: $!";    $t->open( Host => $fox ) or die "Error connecting: $!";
   
   $t->login('password') or die "Couldn't log in: $!";    $t->login('password') or die "Couldn't log in: $!";
   
   # Do whatever    # Do whatever
   
   $t->exit;    $t->exit;
   $t->close;    $t->close;
   
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 Perl access to the telnet interface on Trango Foxes, SUs and APs.  Perl access to the telnet interface on Trango Foxes, SUs and APs.
   
 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.  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.
   
 =head2 EXPORT  =head2 EXPORT
   
 None  None
   
   =head1 METHODS
   
   =over
   
 =cut  =cut
   
 our $VERSION = '0.01';  our $VERSION = '0.01';
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 =pod  =pod
   
 =item new  =item B<new>
   
 Same as new from L<Net::Telnet> but has defaults for the trango 'Prompt'  - Creates a new Net::Telnet::Trango object.
   
           new([Options from Net::Telnet,]
               [Decode => 0,]);
   
   Same as new from L<Net::Telnet> but sets the default Trango Prompt:
   '/#> *$/'
   
 It also takes an optional parameter 'Decode'.  If not defined it  It also takes an optional parameter 'Decode'.  If not defined it
 defaults to 1, if it is set to 0, it will not decode the output and  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  instead return a reference to an array of the lines that were returned
 command.  from the command.
   
 =cut  =cut
   
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 =pod  =pod
   
 =head1 METHODS  =back
   
 =head2 ACCESSORS  =head2 ACCESSORS
   
   These are usually only set internally.
   
 =over  =over
   
 =item Host  =item B<firmware_version>
   
 returns the name of the host that you are accessing  - returns the firmware version
   
 =item firmware_version  Returns the firmware version if available, otherwise undef.
   
 returns the firmware version on the trango if available otherwise undef.  It should be available after a successful open().
 Available after a successful open()  
 This is usually only set internally  
   
 =item host_type  =item B<host_type>
   
   - return the type of host you are connected to.
   
 returns the type of host from the login banner for example M5830S or M5300S.  returns the type of host from the login banner for example M5830S or M5300S.
 Available after a successful open()  
 This is usually only set internally  
   
 =item is_connected  Should be available after a successful open().
   
 returns 1 after a successful open() otherwise undef  =item B<is_connected>
 This is usually only set internally  
   
 =item logged_in  - Status of the connection to host.
   
 returns 1 after a successful login() 0 if it failed and undef if  returns 1 when connected, undef otherwise.
 login() was never called  
 This is usually only set internally  
   
 =item login_banner  =item B<logged_in>
   
 returns the banner that is displayed when first connected at login.  Only set after a successful open()  - Status of being logged in to the host.
   
 This is usually only set internally  returns 1 after a successful login(), 0 if it failed and undef if
   login() was never called.
   
 =item last_lines  =item B<login_banner>
   
 returns the output from the last cmd() that was run as an array ref  - The banner when first connecting to the host.
 This is usually only set internally  
   
   returns the banner that is displayed when first connected at login.
   Only set after a successful open().
   
   =item B<last_lines>
   
   - The last lines of output from the last cmd().
   
   returns, as an array ref, the output from the last cmd() that was run.
   
   =item B<last_error>
   
   - A text output of the last error that was encountered.
   
   returns the last error reported.  Probably contains the last entry in
   last_lines.
   
 =back  =back
   
 =head2 ALIASES  =head2 ALIASES
   
 =over  =over
   
 =item bye  =item B<bye>
   
 alias of exit()  - alias of L<exit()>.
   
 =item restart  =item B<restart>
   
 alias of reboot()  - alias of L<reboot()>.
   
 =back  =back
   
 =head2 COMMANDS  =head2 COMMANDS
   
 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:  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:
 C<tftpd(args =E<gt> 'on')> would enable tftpd  C<tftpd(args =E<gt> 'on')> would enable tftpd
   
 =over  =over
   
 =item tftpd  =item B<tftpd>
   
 Returns a hash ref of the decoded output from the command.  - Returns a hash ref of the decoded output from the
   command.
   
 Also see enable_tftpd() and disable_tftpd() as those check for correct output  Also see enable_tftpd() and disable_tftpd() as those check that it was
   successfully changed.
   
 =item ver  =item B<ver>
   
 Returns a hash ref of the decoded output from the command.  - Returns a hash ref of the decoded output from the
   command.
   
 =item sysinfo  =item B<sysinfo>
   
 Returns a hash ref of the decoded output from the command.  - Returns a hash ref of the decoded output from the
   command.
   
 =item exit  =item B<exit>
   
 exits the command session with the trango and closes the connection  - exits the command session with the Trango and closes
   the connection
   
 =item reboot  =item B<reboot>
   
 reboots the trango and closes the connection  - reboots the Trango and closes the connection
   
 =item sulog  =item B<remarks>
   
 returns an array ref of hashes containing each log line.  - Set or retrieve the remarks.
   
 =item save_sudb  Takes an optional argument, which sets the remarks.
   If there is no argument, returns the current remarks.
   
 returns true on success, undef on failure    my $old_remarks = $t->remarks();
     $t->remarks($new_remarks);
   
 =item syslog  =item B<sulog>
   
 returns the output from the syslog command  - returns an array ref of hashes containing each log
   line.
   
 =item pipe  =item B<save_sudb>
   
 returns the output from the pipe command  - returns true on success, undef on failure
   
 =item maclist  =item B<syslog>
   
 returns the output from the maclist command  - returns the output from the syslog command
   
 =item maclist_reset  =item B<pipe>
   
 resets the maclist.  No useful output.  - returns the output from the pipe command
   
 =item eth_list  =item B<maclist>
   
 returns the output from the eth list command  -  returns the output from the maclist command
   
   =item B<maclist_reset>
   
   - resets the maclist.
   
   No useful output.
   
   =item B<eth_list>
   
   - returns the output from the eth list command
   
   =item B<su_info>
   
   - returns information about the SU.
   
   You need to pass in the $suid and it will return the info for that suid.
   
     $t->su_info($suid);
   
   =item B<su_testrflink>
   
   - tests the RF Link to an su
   
     $t->su_testrflink($suid|'all');
   
   =item B<save_ss>
   
   - saves the config.
   
   Returns 1 on success, undef on failure.
   
 =cut  =cut
   
   
 my $success = 'Success.';  my $success = 'Success\\.';
 my %COMMANDS = (  my %COMMANDS = (
   tftpd       => { decode => 'all',   expect => $success },    tftpd       => { decode => 'all',   expect => $success },
   ver         => { decode => 'all' },    ver         => { decode => 'all' },
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   sulog       => { decode => 'sulog', expect => $success },    sulog       => { decode => 'sulog', expect => $success },
   'exit'      => { no_prompt => 1, cmd_disconnects => 1 },    'exit'      => { no_prompt => 1, cmd_disconnects => 1 },
   reboot      => { no_prompt => 1, cmd_disconnects => 1 },    reboot      => { no_prompt => 1, cmd_disconnects => 1 },
     remarks     => { decode => 'all', expect => $success },
   save_sudb   => { String => 'save sudb', expect => $success },    save_sudb   => { String => 'save sudb', expect => $success },
   syslog      => { expect => $success },    syslog      => { expect => $success },
   'pipe'      => { }, # XXX needs a special decode    'pipe'      => { }, # XXX needs a special decode
   maclist     => { decode => 'maclist' },    maclist     => { decode => 'maclist' },
   maclist_reset => { String => 'maclist reset', expect => 'done' },    maclist_reset => { String => 'maclist reset', expect => 'done' },
   eth_link    => { String => 'eth link', expect => $success },    eth_link    => { String => 'eth link', expect => $success },
     su_info     => { String => 'su info', decode => 'all', expect => $success },
     su_testrflink => { String => 'su testrflink', decode => 'each', expect => $success },
     save_ss     => { String => 'save ss', expect => $success },
     opmode      => { decode => 'all',   expect => $success },
   # eth r, w and reset???    # eth r, w and reset???
   #su password???    #su password???
   #_bootloader    #_bootloader
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 my %ALIASES = (  my %ALIASES = (
   bye     => 'exit',    bye     => 'exit',
   restart => 'reboot',    restart => 'reboot',
     Host    => 'host',
 );  );
   
 my %ACCESS = map { $_ => 1 } qw(  my %ACCESS = map { $_ => 1 } qw(
   firmware_version    firmware_version
   host_type    host_type
   Host  
   is_connected    is_connected
   logged_in    logged_in
   login_banner    login_banner
   Timeout    Timeout
   last_lines    last_lines
   last_vals    last_vals
     last_error
     Decode
 );  );
   
 sub AUTOLOAD  sub AUTOLOAD
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   }    }
   
   if (exists $COMMANDS{$method}) {    if (exists $COMMANDS{$method}) {
     $method = shift if (@_ == 1);      my %cmd;
     $COMMANDS{$method}{'String'} ||= $method;      foreach my $k (keys %{ $COMMANDS{$method} }) {
     return $self->cmd(%{ $COMMANDS{$method} }, @_);        $cmd{$k} = $COMMANDS{$method}{$k};
       }
       $cmd{'String'} ||= $method;
       $cmd{'args'}   .= ' ' . shift if (@_ == 1);
       return $self->cmd(%cmd, @_);
   }    }
   
   if (exists $ACCESS{$method}) {    if (exists $ACCESS{$method}) {
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 =pod  =pod
   
 =item open  =item B<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()  - Open a connection to a Trango AP.
   
   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  =cut
   
 sub open  sub open
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   my $self = shift;    my $self = shift;
   
   unless ( $self->SUPER::open(@_) ) {    unless ( $self->SUPER::open(@_) ) {
     #$! = "Couldn't connect to " . $self->Host . ":  $!";      $self->last_error("Couldn't connect to " . $self->host . ":  $!");
     return undef;      return;
   }    }
   
   ## Get to login prompt    ## Get to login prompt
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       -match => '/password: ?$/i',        -match => '/password: ?$/i',
       -errmode => "return",        -errmode => "return",
     ) ) {      ) ) {
     #$! = "problem connecting to host (" . $self->Host . "): " .      $self->last_error("problem connecting to host (" . $self->host . "): " .
     #    $self->lastline;          $self->lastline);
     return undef;      return;
   }    }
   
   $self->parse_login_banner($self->lastline);    $self->parse_login_banner($self->lastline);
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 =pod  =pod
   
 =item login  =item B<login>
   
 Calls open() if not already connected, then sends the password and sets logged_in() if successful  - Login to the AP.
   
   Calls open() if not already connected, then sends the password and sets
   logged_in() if successful
   
 =cut  =cut
   
 sub login  sub login
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   my $self = shift;    my $self = shift;
   
   unless ($self->is_connected) {    unless ($self->is_connected) {
     $self->open or return undef;      $self->open or return;
   }    }
   
   my $password = shift;    my $password = shift;
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     -match => $self->prompt,      -match => $self->prompt,
     -errmode => "return",      -errmode => "return",
   ) ) {    ) ) {
     #$! = "login ($self->Host) failed: " . $self->lastline;      $self->last_error("login ($self->host) failed: " . $self->lastline);
     return undef;      return;
   }    }
   
   $self->logged_in(1);    $self->logged_in(1);
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 =pod  =pod
   
 =item parse_login_banner  =item B<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()  - Converts the login_banner to some useful
   variables.
   
   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  =cut
   
 sub parse_login_banner  sub parse_login_banner
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   my $banner = $self->login_banner;    my $banner = $self->login_banner;
   
   my ($type, $ver) = $banner =~    my ($type, $sep1, $subtype, $sep2, $ver) = $banner =~
     /Welcome to Trango Broadband Wireless (\S+)[\s-]+(.+)$/i;      /Welcome to Trango Broadband Wireless (\S+)([\s-]+)(\S+)([\s-]+)(.+)$/i;
   
     $type .= $sep1 . $subtype;
     $ver = $subtype . $sep2 . $ver;
   
   $self->login_banner($banner);    $self->login_banner($banner);
   $self->host_type($type);    $self->host_type($type);
   $self->firmware_version($ver);    $self->firmware_version($ver);
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 =pod  =pod
   
 =item su_password  =item B<su_password>
   
 C<su_password('all'|suid, 'new_password')>  - Set the password on SUs connected to the AP.
   
   su_password('new_password'[, 'suid']) If no suid is specified,
   the default is "all".
   
     $t->su_password('good_pass', 5);
   
 =cut  =cut
   
 sub su_password  sub su_password
 {  {
   my $self     = shift;    my $self     = shift;
   my $su       = shift || '!';  
   my $new_pass = shift || '';    my $new_pass = shift || '';
     my $su       = shift || 'all';
   
   unless (defined $su) {  
     warn "No su passed!"  
     #return undef;  
   }  
   
   unless (defined $new_pass) {    unless (defined $new_pass) {
     warn "No new password!"      $self->last_error("No new password");
     #return undef;      #return;
   }    }
   
   return $self->cmd(String => 'su password ' .    return $self->cmd(String => 'su password ' .
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 =pod  =pod
   
 =item su_ipconfig  =item B<su_ipconfig>
   
 C<su_ipconfig( 'suid', 'new_ip', 'new_subnet', 'new_gateway' )>  - Change IP configuration on SUs connected to
   the AP.
   
   su_ipconfig( 'suid', 'new_ip', 'new_subnet', 'new_gateway' )
   
     $t->su_ipconfig( 5, '10.0.1.5', '255.255.255.0', '10.0.1.1' );
   
 =cut  =cut
   
 sub su_ipconfig  sub su_ipconfig
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         my $new_subnet  = shift;          my $new_subnet  = shift;
         my $new_gateway = shift;          my $new_gateway = shift;
   
         return undef unless $suid =~ /^\d+$/;          if ($suid =~ /\D/) {
         return undef unless $new_ip;                  $self->last_error("Invalid suid '$suid'");
         return undef unless $new_subnet;                  return;
         return undef unless $new_gateway;          }
           unless ($new_ip) {
                   $self->last_error("no new_ip passed");
                   return;
           }
           unless ($new_subnet) {
                   $self->last_error("no new_subnet passed");
                   return;
           }
           unless ($new_gateway) {
                   $self->last_error("no new_gateway passed");
                   return;
           }
   
         # su ipconfig <suid> <new ip> <new subnet> <new gateway>          # su ipconfig <suid> <new ip> <new subnet> <new gateway>
         return $self->cmd(String => 'su ipconfig ' .          return $self->cmd(String => 'su ipconfig ' .
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 =pod  =pod
   
 =item sudb_view  =item B<sudb_view>
   
 returns a reference to an array of hashes each containing:  - Returns the output from the sudb view command
   
   suid  returns a reference to an array of hashes each containing these keys
   type  'suid', 'type', 'cir', 'mir' and 'mac'
   cir  
   mir  
   mac  
   
 =cut  =cut
   
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 {  {
   my $self = shift;    my $self = shift;
   
   my @lines = $self->cmd( String => 'sudb view', expect => $success );    my $lines = $self->cmd( String => 'sudb view', expect => $success ) || [];
   
   return undef unless @lines;    return unless @{ $lines };
   
   unless ($PRIVATE{'Decode'}) {    unless ($PRIVATE{'Decode'}) {
     return @lines;      return $lines;
   }    }
   
   my @sus;    my @sus;
   foreach (@lines) {    foreach (@{ $lines }) {
     next unless $_;      next unless $_;
     if (/^\[(\d+)\]\s+(\d+)\s+(\d+)\s+(\d+)\s+([0-9A-Fa-f\s]+)$/) {      if (/^\[(\d+)\]\s+(\d+)\s+(\d+)\s+(\d+)\s+([0-9A-Fa-f\s]+)$/) {
       my %s = (        my %s = (
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 =pod  =pod
   
 =item sudb_add  =item B<sudb_add>
   
 Takes the following paramaters  Takes the following paramaters
   
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 and returns true on success or undef otherwise.  and returns true on success or undef otherwise.
   
     $t->sudb_add($suid, 'reg', $cir, $mir, $mac);
   
 You should save_sudb() after calling this, or your changes  will be lost  You should save_sudb() after calling this, or your changes  will be lost
 when the AP is rebooted.  when the AP is rebooted.
   
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         my $mac  = shift;          my $mac  = shift;
   
         if ($suid =~ /\D/) {          if ($suid =~ /\D/) {
                 return undef;                  $self->last_error("Invalid suid '$suid'");
                   return;
         }          }
   
         unless (lc($type) eq 'reg' || lc($type) eq 'pr') {          unless (lc($type) eq 'reg' || lc($type) eq 'pr') {
                 warn "Invalid type '$type'!";                  $self->last_error("Invalid type '$type'");
                 return undef;                  return;
         }          }
   
         if ($cir =~ /\D/) {          if ($cir =~ /\D/) {
                 warn "Invalid CIR '$cir'!";                  $self->last_error("Invalid CIR '$cir'");
                 return undef;                  return;
         }          }
   
         if ($mir =~ /\D/) {          if ($mir =~ /\D/) {
                 warn "Invalid MIR '$mir'!";                  $self->last_error("Invalid MIR '$mir'");
                 return undef;                  return;
         }          }
   
         my $new_mac = $mac;          my $new_mac = $mac;
         $new_mac =~ s/[^0-9A-Fa-f]//;          $new_mac =~ s/[^0-9A-Fa-f]//;
         unless (length $new_mac == 12) {          unless (length $new_mac == 12) {
                 warn "Invalid MAC '$mac'!";                  $self->last_error("Invalid MAC '$mac'");
                 return undef;                  return;
         }          }
         $new_mac = join ' ', $new_mac =~ /../g;          $new_mac = join ' ', $new_mac =~ /../g;
   
Line 618 
Line 728 
   
 =pod  =pod
   
 =item sudb_delete  =item B<sudb_delete>
   
 Takes either 'all' or the  suid of the su to delete  Takes either 'all' or the  suid of the su to delete
 and returns true on success or undef otherwise.  and returns true on success or undef otherwise.
   
     $t->sudb_delete($suid);
   
 You should save_sudb() after calling this, or your changes  will be lost  You should save_sudb() after calling this, or your changes  will be lost
 when the AP is rebooted.  when the AP is rebooted.
   
Line 633 
Line 745 
         my $self = shift;          my $self = shift;
         my $suid = shift;          my $suid = shift;
   
         if (lc($suid) ne 'all' || $suid =~ /\D/) {          #if (lc($suid) ne 'all' || $suid =~ /\D/) {
                 return undef;          if ($suid =~ /\D/) {
                   $self->last_error("Invalid suid '$suid'");
                   return;
         }          }
   
         return $self->cmd( String => 'sudb delete ' . $suid, expect => $success );          return $self->cmd( String => 'sudb delete ' . $suid, expect => $success );
Line 642 
Line 756 
   
 =pod  =pod
   
 =item sudb_modify  =item B<sudb_modify>
   
 Takes either the  suid of the su to delete  Takes either the  suid of the su to change
 as well as what you are changing, either "cir, mir or su2su"  as well as what you are changing, either "cir, mir or su2su"
 and returns true on success or undef otherwise.  and returns true on success or undef otherwise.
   
Line 652 
Line 766 
   
 su2su takes a group id parameter that is in hex.  su2su takes a group id parameter that is in hex.
   
     $t->sudb_modify($suid, 'cir', 512);
   
 You should save_sudb() after calling this, or your changes  will be lost  You should save_sudb() after calling this, or your changes  will be lost
 when the AP is rebooted.  when the AP is rebooted.
   
Line 665 
Line 781 
         my $value = shift;          my $value = shift;
   
         if ($suid =~ /\D/) {          if ($suid =~ /\D/) {
                 return undef;                  $self->last_error("Invalid suid '$suid'");
                   return;
         }          }
   
         if (lc($opt) eq 'cir' or lc($opt) eq 'mir') {          if (lc($opt) eq 'cir' or lc($opt) eq 'mir') {
                 if ($value =~ /\D/) {                  if ($value =~ /\D/) {
                         return undef;                          $self->last_error("Invalid $opt '$value'");
                           return;
                 }                  }
         } elsif (lc($opt) eq 'su2su') {          } elsif (lc($opt) eq 'su2su') {
                 if ($value =~ /[^0-9A-Za-f]/) {                  if ($value =~ /[^0-9A-Za-f]/) {
                         return undef;                          $self->last_error("Invalid MAC '$value'");
                           return;
                 }                  }
         } else {          } else {
                 return undef;                  $self->last_error("Invalid option '$opt'");
                   return;
         }          }
   
         my $string = 'sudb modify ' . $suid . ' ' . $opt . ' ' . $value;          my $string = 'sudb modify ' . $suid . ' ' . $opt . ' ' . $value;
Line 687 
Line 807 
   
 =pod  =pod
   
 =item enable_tftpd  =item B<enable_tftpd>
   
   - enable the TFTP server
   
 runs C<tftpd(args =E<gt> 'on')> and makes sure that Tftpd is now 'listen'ing  runs C<tftpd(args =E<gt> 'on')> and makes sure that Tftpd is now 'listen'ing
   
 =cut  =cut
Line 702 
Line 824 
   if ($vals->{'Tftpd'} eq 'listen') {    if ($vals->{'Tftpd'} eq 'listen') {
     return $vals;      return $vals;
   } else {    } else {
     return undef;      return;
   }    }
 }  }
   
 =pod  =pod
   
 =item disable_tftpd  =item B<disable_tftpd>
   
   - disable the TFTP server
   
 runs C<tftpd(args =E<gt> 'off')> and makes sure that Tftpd is now 'disabled'  runs C<tftpd(args =E<gt> 'off')> and makes sure that Tftpd is now 'disabled'
   
 =cut  =cut
Line 723 
Line 847 
   if (ref $vals eq 'HASH' && $vals->{'Tftpd'} eq 'disabled') {    if (ref $vals eq 'HASH' && $vals->{'Tftpd'} eq 'disabled') {
     return $vals;      return $vals;
   } else {    } else {
     return undef;      return;
   }    }
 }  }
   
 =pod  =pod
   
 =item cmd  =item B<cmd>
   
 This does most of the work.  At the heart, it calls Net::Telnet::cmd() but it also does some special stuff for Trango.  - runs a command on the AP.
   
   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  Normally returns the last lines from from the command
   
 Also accepts these options:  If you are using this, rather than one of the "easy" methods above,
   you probably want to read through the source of this module to see how
   some of the other commands are called.
   
   In addition to the Net::Telnet::cmd() options, it also accepts these:
   
 I<decode>  I<decode>
 - if this is true, then it will send the output lines to _decode_lines() and then returns the decoded output  
   
   - if this is true, then it will send the output lines to _decode_lines()
   and then returns the decoded output
   
   I<no_prompt>
   
   - if this is true, it does not wait for a prompt, so you are not stuck
   waiting for something that will never happen.
   
 I<cmd_disconnects>  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  
   
   - if this is true, it then sets logged_in() to false, then it will
   close() the connection and set is_connected() to false
   
 I<expect>  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  
   
   - 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>  I<args>
 - a string containing the command line options that are passed to the command  
   
   - a string containing the command line options that are passed to the
   command
   
           $t->cmd( String => 'exit', no_prompt => 1, cmd_disconnects => 1 );
   
 =cut  =cut
   
 sub cmd  sub cmd
Line 778 
Line 925 
   $cfg{'Timeout'} ||= $self->Timeout;    $cfg{'Timeout'} ||= $self->Timeout;
   
   unless ($cfg{'String'}) {    unless ($cfg{'String'}) {
     #$! = "No command passed";      $self->last_error("No command passed");
     #warn "No command passed\n";      return;
     return undef;  
   }    }
   
   unless ($self->is_connected) {    unless ($self->is_connected) {
     #$! = "Not connected";      $self->last_error("Not connected");
     #warn "Not connected\n";      return;
     return undef;  
   }    }
   
   unless ($self->logged_in) {    unless ($self->logged_in) {
     #$! = "Not logged in";      $self->last_error("Not logged in");
     #warn "Not logged in\n";      return;
     return undef;  
   }    }
   
   
Line 805 
Line 949 
   if ($cfg{'args'}) {    if ($cfg{'args'}) {
     $cmd{'String'} .= ' ' . $cfg{'args'};      $cmd{'String'} .= ' ' . $cfg{'args'};
   }    }
   
   my @lines;    my @lines;
   unless ($cfg{'no_prompt'}) {    if ($cfg{'no_prompt'}) {
     @lines = $self->SUPER::cmd(%cmd);  
   } else {  
     $self->print($cmd{'String'});      $self->print($cmd{'String'});
     @lines = $self->lastline;      @lines = $self->lastline;
     } else {
       @lines = $self->SUPER::cmd(%cmd);
   }    }
   
   $self->last_lines(\@lines);    $self->last_lines(\@lines);
Line 843 
Line 988 
     if ($PRIVATE{'Decode'} && $cfg{'decode'}) {      if ($PRIVATE{'Decode'} && $cfg{'decode'}) {
       return $vals;        return $vals;
     } else {      } else {
       return @lines;        return \@lines;
     }      }
   } else {    } else {
     #$! = "Error with command ($cfg{'string'}): $last";      $self->last_error("Error with command ($cfg{'String'}): $last");
     return undef;      return;
   }    }
 }  }
   
Line 860 
Line 1005 
   my %conf;    my %conf;
   
   my $key = '';    my $key = '';
   my $val = '';    my $val = undef;
     my @vals;
   my $in_key = 0;    my $in_key = 0;
   my $in_val = 0;    my $in_val = 1;
   
   foreach my $line (@lines) {    foreach my $line (@lines) {
     next if $line =~ /$success$/;      next if $line =~ /$success$/;
Line 878 
Line 1024 
           $in_val = 0;            $in_val = 0;
         } else {          } else {
           $in_key = 0;            $in_key = 0;
           $in_val = 0;            $in_val = 1;
         }          }
   
         if ($key) {          if ($key) {
           $key =~ s/^\s+//;            $key =~ s/^\s+//;
           $key =~ s/\s+$//;            $key =~ s/\s+$//;
   
           $val =~ s/^\s+//;            if ($val) {
           $val =~ s/\s+$//;              $val =~ s/^\s+//;
               $val =~ s/\s+$//;
             }
   
           if ($key eq 'Checksum' && $last_key) {            if ($key eq 'Checksum' && $last_key) {
             # Special case for these bastids.              # Special case for these bastids.
Line 895 
Line 1043 
             $key = $new . " " . $key;              $key = $new . " " . $key;
           }            }
   
           $last_key = $key;  
           $conf{$key} = $val;            $conf{$key} = $val;
             $last_key = $key;
           $key = '';            $key = '';
           $val = '';          } elsif ($val) {
         }                          push @vals, $val;
                   }
           $val = '';
   
       } elsif ($c eq ']') {        } elsif ($c eq ']') {
         $in_val = 1;          $in_val = 1;
Line 915 
Line 1065 
     }      }
   }    }
   
     unless ($key) {
       push @vals, $val;
     }
   
     if (@vals == 1) {
       $val = $vals[0];
     } elsif (@vals) {
       $val= \@vals;
     } else {
       $val = undef;
     }
   
   if (%conf) {    if (%conf) {
       $conf{_pre} = $val if $val;
     return \%conf;      return \%conf;
   } else {    } else {
     return undef;      return $val;
   }    }
 }  }
   
Line 1007 
Line 1170 
                 return \@decoded;                  return \@decoded;
         } else {          } else {
                 # XXX we should have a way to set last error, not sure why we don't                  # XXX we should have a way to set last error, not sure why we don't
                 return undef;                  return;
         }          }
 }  }
   
Line 1024 
Line 1187 
   
 =head1 TODO  =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.  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.  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  =head1 AUTHOR
   
Line 1034 
Line 1202 
   
 =head1 COPYRIGHT AND LICENSE  =head1 COPYRIGHT AND LICENSE
   
 Copyright (C) 2005 by Andrew Fresh  Copyright (C) 2005,2006,2007 by Andrew Fresh
   
 This library is free software; you can redistribute it and/or modify  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,  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.  at your option, any later version of Perl 5 you may have available.
   
   
 =cut  =cut
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