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Diff for /trango/Net-Telnet-Trango/lib/Net/Telnet/Trango.pm between version 1.3 and 1.27

version 1.3, 2005/12/30 19:26:06 version 1.27, 2007/01/31 18:53:29
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 package Net::Telnet::Trango;  package Net::Telnet::Trango;
 # $RedRiver: Trango.pm,v 1.2 2005/12/30 01:02:41 andrew Exp $  # $RedRiver: Trango.pm,v 1.26 2007/01/17 23:15:13 andrew Exp $
 use strict;  use strict;
 use warnings;  use warnings;
 use base 'Net::Telnet';  use base 'Net::Telnet';
   
 =pod  =pod
   
 =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;  
   my $t = new Net::Telnet::Trango ( Timeout => 5 );    use Net::Telnet::Trango;
       my $t = new Net::Telnet::Trango ( Timeout => 5 );
   my ($type, $version) = $t->open( Host => $fox );  
       $t->open( Host => $fox ) or die "Error connecting: $!";
   unless (defined $type && defined $version) {  
     die "Error connecting: $!";    $t->login('password') or die "Couldn't log in: $!";
   }  
     # Do whatever
   $t->login('password') or die "Couldn't log in: $!";  
       $t->exit;
   # Do whatever    $t->close;
     
   $t->exit;  =head1 DESCRIPTION
   $t->close;  
   Perl access to the telnet interface on Trango Foxes, SUs and APs.
 =head1 DESCRIPTION  
   Another handy feature is that it will parse the output from certain
 Perl access to the telnet interface on Trango Foxes, SUs and APs.  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
 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.  things like sysinfo very easy to do.
   
 =head2 EXPORT  =head2 EXPORT
   
 None  None
   
 =cut  =head1 METHODS
   
 our $VERSION = '0.01';  =over
   
 my %PRIVATE = (  =cut
   is_connected => 0,  
   logged_in => 0,  our $VERSION = '0.01';
 );  
   my %PRIVATE = (
 =pod    is_connected => 0,
     logged_in => 0,
 =head1 METHODS  );
   
 =head2 ACCESSORS  =pod
   
 =over  =item B<new>
   
 =item Host  - Creates a new Net::Telnet::Trango object.
   
 returns the name of the host that you are accessing          new([Options from Net::Telnet,]
               [Decode => 0,]);
 =item firmware_version  
   Same as new from L<Net::Telnet> but sets the default Trango Prompt:
 returns the firmware version on the trango if available otherwise undef.    '/#> *$/'
 Available after a successful open()  
 This is usually only set internally  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
 =item host_type  instead return a reference to an array of the lines that were returned
   from the command.
 returns the type of host from the login banner for example M5830S or M5300S.    
 Available after a successful open()  =cut
 This is usually only set internally  
   sub new
 =item is_connected  {
     my $class = shift;
 returns 1 after a successful open() otherwise undef  
 This is usually only set internally    my %args;
     if (@_ == 1) {
 =item logged_in      $args{'Host'} = shift;
     } else {
 returns 1 after a successful login() 0 if it failed and undef if      %args = @_;
 login() was never called    }
 This is usually only set internally  
     $args{'Prompt'}  ||= '/#> *$/';
 =item login_banner  
     foreach my $key (keys %args) {
 returns the banner that is displayed when first connected at login.  Only set after a successful open()      $PRIVATE{$key} = $args{$key};
     }
 This is usually only set internally    $PRIVATE{'Decode'} = 1 unless defined $PRIVATE{'Decode'};
     delete $args{'Decode'};
 =item last_lines  
     my $self = $class->SUPER::new(%args);
 returns the output from the last cmd() that was run as an array ref    bless $self if ref $self;
 This is usually only set internally  
     return $self;
 =back  }
   
 =head2 ALIASES  #  _password <new password> <new password>
   #  ? [command]
 =over  #  apsearch <secs> <ch#> <h|v> [<ch#> <h|v>]...
   #  arp -bcast <on|off>
 =item bye  #  bcastscant <all|suid> <ch#> <h|v> [<ch#> <h|v> ...
   #  bye
 alias of exit()  #  cf2cf ap [default|<size>]
   #  date
 =item restart  #  date <month> <day> <year>
   #  freq scantable
 alias of reboot()  #  freq channeltable
   #  freq writescan [<ch#> <h|v>]
 =back  #  freq writechannel [<ch#> <freq>] ...
   #  freq <ch #> <h|v>
 =head2 COMMANDS  #  help [command]
   #  heater [<on temp> <off temp>]
 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:  #  ipconfig [<new ip> <new subnet mask> <new gateway>]
 C<tftpd(args =E<gt> 'on')> would enable tftpd  #  log [<# of entries, 1..179>]
   #  log <sum> <# of entries, 1..179>
 =over  #  logout
   #  opmode [ap [y]]
 =item tftpd  #  password
   #  ping <ip addr>
 Returns a hash ref of the decoded output from the command.  #  polar <h|v>
   #  power <setism|setunii> <max|min|<dBm>>
 Also see enable_tftpd() and disable_tftpd() as those check for correct output  #  reboot
   #  restart
 =item ver  #  remarks [<str>]
   #  rfrxthreshold [<ism|unii> <-90|-85|-80|-75|-70|-65>]
 Returns a hash ref of the decoded output from the command.  #  rfrxth [<ism|unii> <-90|-85|-80|-75|-70|-65>]
   #  sysinfo
 =item sysinfo  #  set suid <id>
   #  set apid <id>
 Returns a hash ref of the decoded output from the command.  #  set baseid <id>
   #  set defaultopmode [<ap|su> <min,0..10>]
 =item exit  #  set defaultopmode off
   #  set snmpcomm [<read | write | trap (id or setall)> <str>]
 exits the command session with the trango and closes the connection  #  set mir [on|off]
   #  set mir threshold <kbps>
 =item reboot  #  set rssitarget [<ism|unii> <dBm>]
   #  set serviceradius [<ism | unii> <miles>]
 reboots the trango and closes the connection  #  ssrssi <ch #> <h|v>
   #  su [<suid>|all]
 =cut  #  su changechannel <all|suid> <ch#> <h|v>
   #  su ipconfig <suid> <new ip> <new subnet> <new gateway>
 #  _password <new password> <new password>  #  su [live|poweroff|priority]
 #  ? [command]  #  su <ping|info|status> <suid>
 #  apsearch <secs> <ch#> <h|v> [<ch#> <h|v>]...  #  su powerleveling <all|suid>
 #  arp -bcast <on|off>  #  su reboot <all|suid>
 #  bcastscant <all|suid> <ch#> <h|v> [<ch#> <h|v> ...  #  su restart <all|suid>
 #  bye  #  su testrflink <all|suid> [r]
 #  cf2cf ap [default|<size>]  #  su testrflink <setlen> [64..1600]
 #  date  #  su testrflink <aptx> [20..100]
 #  date <month> <day> <year>  #  su sw <suid|all> <sw #> <on|off>
 #  freq scantable  #  sudb [dload | view]
 #  freq channeltable  #  sudb add <suid> pr <cir,kbps> <mir,kbps> <device id,hex>
 #  freq writescan [<ch#> <h|v>]  #  sudb add <suid> reg <cir,kbps> <mir,kbps> <device id,hex>
 #  freq writechannel [<ch#> <freq>] ...  #  sudb delete <all|<suid>>
 #  freq <ch #> <h|v>  #  sudb modify <suid> <cir|mir> <kbps>
 #  help [command]  #  sudb modify <suid> <su2su> <group id,hex>
 #  heater [<on temp> <off temp>]  #  sudb view
 #  ipconfig [<new ip> <new subnet mask> <new gateway>]  #  sulog [lastmins | sampleperiod <1..60>]
 #  log [<# of entries, 1..179>]  #  sulog [<# of entry,1..18>]
 #  log <sum> <# of entries, 1..179>  #  survey <ism|unii> <time, sec> <h|v>
 #  logout  #  sw [<sw #> <on|off>]
 #  opmode [ap [y]]  #  temp
 #  password  #  tftpd [on|off]
 #  ping <ip addr>  #  time
 #  polar <h|v>  #  time <hour> <min> <sec>
 #  power <setism|setunii> <max|min|<dBm>>  #  save <mainimage|fpgaimage> <current chksum> <new chksum>
 #  reboot  #  save <systemsetting|sudb>
 #  restart  #  updateflash <mainimage|fpgaimage> <current chksum> <new chksum>
 #  remarks [<str>]  #  updateflash <systemsetting|sudb>
 #  rfrxthreshold [<ism|unii> <-90|-85|-80|-75|-70|-65>]  
 #  rfrxth [<ism|unii> <-90|-85|-80|-75|-70|-65>]  =pod
 #  sysinfo  
 #  set suid <id>  =back
 #  set apid <id>  
 #  set baseid <id>  =head2 ACCESSORS
 #  set defaultopmode [<ap|su> <min,0..10>]  
 #  set defaultopmode off  These are usually only set internally.
 #  set snmpcomm [<read | write | trap (id or setall)> <str>]  
 #  set mir [on|off]  =over
 #  set mir threshold <kbps>  
 #  set rssitarget [<ism|unii> <dBm>]  =item B<firmware_version>
 #  set serviceradius [<ism | unii> <miles>]  
 #  ssrssi <ch #> <h|v>  - returns the firmware version
 #  su [<suid>|all]  
 #  su changechannel <all|suid> <ch#> <h|v>  Returns the firmware version if available, otherwise undef.
 #  su ipconfig <suid> <new ip> <new subnet> <new gateway>  
 #  su [live|poweroff|priority]  It should be available after a successful open().
 #  su <ping|info|status> <suid>  
 #  su powerleveling <all|suid>  =item B<host_type>
 #  su reboot <all|suid>  
 #  su restart <all|suid>  - return the type of host you are connected to.
 #  su testrflink <all|suid> [r]  
 #  su testrflink <setlen> [64..1600]  returns the type of host from the login banner for example M5830S or M5300S.
 #  su testrflink <aptx> [20..100]  
 #  su sw <suid|all> <sw #> <on|off>  Should be available after a successful open().
 #  sudb [dload | view]  
 #  sudb add <suid> pr <cir,kbps> <mir,kbps> <device id,hex>  =item B<is_connected>
 #  sudb add <suid> reg <cir,kbps> <mir,kbps> <device id,hex>  
 #  sudb delete <all|<suid>>  - Status of the connection to host.
 #  sudb modify <suid> <cir|mir> <kbps>  
 #  sudb modify <suid> <su2su> <group id,hex>  returns 1 when connected, undef otherwise.
 #  sudb view  
 #  sulog [lastmins | sampleperiod <1..60>]  =item B<logged_in>
 #  sulog [<# of entry,1..18>]  
 #  survey <ism|unii> <time, sec> <h|v>  - Status of being logged in to the host.
 #  sw [<sw #> <on|off>]  
 #  temp  returns 1 after a successful login(), 0 if it failed and undef if
 #  tftpd [on|off]  login() was never called.
 #  time  
 #  time <hour> <min> <sec>  =item B<login_banner>
 #  save <mainimage|fpgaimage> <current chksum> <new chksum>  
 #  save <systemsetting|sudb>  - The banner when first connecting to the host.
 #  updateflash <mainimage|fpgaimage> <current chksum> <new chksum>  
 #  updateflash <systemsetting|sudb>  returns the banner that is displayed when first connected at login.
   Only set after a successful open().
   
 my $success = 'Success.';  =item B<last_lines>
 my %COMMANDS = (  
   tftpd       => { decode => 1, expect => $success },  - The last lines of output from the last cmd().
   ver         => { decode => 1 },  
   sysinfo     => { decode => 1, expect => $success },  returns, as an array ref, the output from the last cmd() that was run.
   updateflash => { decode => 1, expect => $success },  
   'exit'      => { Prompt => '//', cmd_disconnects => 1 },  =item B<last_error>
   reboot      => { Prompt => '//', cmd_disconnects => 1 },  
   #su password???  - A text output of the last error that was encountered.
   #_bootloader  
   #temp  returns the last error reported.  Probably contains the last entry in
   #heater  last_lines.
 );  
   =back
 my %ALIASES = (  
   bye     => 'exit',  =head2 ALIASES
   restart => 'reboot',  
 );  =over
   
 my %ACCESS = map { $_ => 1 } qw(  =item B<bye>
   firmware_version  
   host_type  - alias of L<exit()>.
   Host  
   is_connected  =item B<restart>
   logged_in  
   login_banner  - alias of L<reboot()>.
   Timeout  
   last_lines  =back
 );  
   =head2 COMMANDS
 sub AUTOLOAD  
 {  Most of these are just shortcuts to C<cmd(String =E<gt> METHOD)>,
   my $self = shift;  as such they accept the same options as C<cmd()>.
   Specifically they take a named paramater "args", for example:
   my ($method) = (our $AUTOLOAD) =~ /^.*::(\w+)$/  C<tftpd(args =E<gt> 'on')> would enable tftpd
     or die "Weird: $AUTOLOAD";  
   =over
   if (exists $ALIASES{$method}) {  
     $method = $ALIASES{$method};  =item B<tftpd>
     return $self->$method(@_);  
   }  - Returns a hash ref of the decoded output from the
   command.
   if (exists $COMMANDS{$method}) {  
     $method = shift if (@_ == 1);  Also see enable_tftpd() and disable_tftpd() as those check that it was
     $COMMANDS{$method}{'String'} ||= $method;  successfully changed.
     return $self->cmd(%{ $COMMANDS{$method} }, @_);  
   }  =item B<ver>
   
   if (exists $ACCESS{$method}) {  - Returns a hash ref of the decoded output from the
     my $prev = $PRIVATE{$method};  command.
     ($PRIVATE{$method}) = @_ if @_;  
     return $prev;  =item B<sysinfo>
   }  
   - Returns a hash ref of the decoded output from the
   $method = "SUPER::$method";  command.
   return $self->$method(@_);  
 }  =item B<exit>
   
 =pod  - exits the command session with the Trango and closes
   the connection
 =item new  
   =item B<reboot>
 Same as new from L<Net::Telnet> but has defaults for the trango 'Prompt'  
   - reboots the Trango and closes the connection
 =cut  
   =item B<remarks>
 sub new  
 {  - Set or retrieve the remarks.
   my $class = shift;  
   Takes an optional argument, which sets the remarks.
   my %args;  If there is no argument, returns the current remarks.
   if (@_ == 1) {  
     $args{'Host'} = shift;    my $old_remarks = $t->remarks();
   } else {    $t->remarks($new_remarks);
     %args = @_;  
   }  =item B<sulog>
   
   $args{'Prompt'}  ||= '/#> *$/';  - returns an array ref of hashes containing each log
   line.
   foreach my $key (keys %args) {  
     $PRIVATE{$key} = $args{$key};  =item B<save_sudb>
   }  
   - returns true on success, undef on failure
   my $self = $class->SUPER::new(%args);  
   bless $self if ref $self;  =item B<syslog>
   
   return $self;  - returns the output from the syslog command
 }  
   =item B<pipe>
 =pod  
   - returns the output from the pipe command
 =item open  
   =item B<maclist>
 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()  
   -  returns the output from the maclist command
 =cut  
   =item B<maclist_reset>
 sub open  
 {  - resets the maclist.
   my $self = shift;  
   No useful output.
   unless ( $self->SUPER::open(@_) ) {  
     #$! = "Couldn't connect to " . $self->Host . ":  $!";  =item B<eth_list>
     return undef;  
   }  - returns the output from the eth list command
   
   ## Get to login prompt  =item B<su_info>
   unless ($self->waitfor(  
       -match => '/password: ?$/i',  - returns information about the SU.
       -errmode => "return",  
     ) ) {  You need to pass in the $suid and it will return the info for that suid.
     #$! = "problem connecting to host (" . $self->Host . "): " .  
     #    $self->lastline;    $t->su_info($suid);
     return undef;  
   }  =item B<save_ss>
   
   $self->parse_login_banner($self->lastline);  - saves the config.
   
   $self->is_connected(1);  Returns 1 on success, undef on failure.
   
   return $self->is_connected;  =cut
 }  
   
 =pod  my $success = 'Success\\.';
   my %COMMANDS = (
 =item login    tftpd       => { decode => 'all',   expect => $success },
     ver         => { decode => 'all' },
 Calls open() if not already connected, then sends the password and sets logged_in() if successful    sysinfo     => { decode => 'all',   expect => $success },
     updateflash => { decode => 'all',   expect => $success },
 =cut    sulog       => { decode => 'sulog', expect => $success },
     'exit'      => { no_prompt => 1, cmd_disconnects => 1 },
 sub login    reboot      => { no_prompt => 1, cmd_disconnects => 1 },
 {    remarks     => { decode => 'all', expect => $success },
   my $self = shift;    save_sudb   => { String => 'save sudb', expect => $success },
     syslog      => { expect => $success },
   unless ($self->is_connected) {    'pipe'      => { }, # XXX needs a special decode
     $self->open or return undef;    maclist     => { decode => 'maclist' },
   }    maclist_reset => { String => 'maclist reset', expect => 'done' },
     eth_link    => { String => 'eth link', expect => $success },
   my $password = shift;    su_info     => { String => 'su info', decode => 'all', expect => $success },
     save_ss     => { String => 'save ss', expect => $success },
   $self->print($password);    opmode      => { decode => 'all',   expect => $success },
   unless ($self->waitfor(    # eth r, w and reset???
     -match => $self->prompt,    #su password???
     -errmode => "return",    #_bootloader
   ) ) {    #temp
     #$! = "login ($self->Host) failed: " . $self->lastline;    #heater
     return undef;  );
   }  
   my %ALIASES = (
   $self->logged_in(1);    bye     => 'exit',
     restart => 'reboot',
   return $self->logged_in;    Host    => 'host',
 }  );
   
 =pod  my %ACCESS = map { $_ => 1 } qw(
     firmware_version
 =item parse_login_banner    host_type
     is_connected
 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()    logged_in
     login_banner
 =cut    Timeout
     last_lines
 sub parse_login_banner    last_vals
 {    last_error
   my $self = shift;  );
   
   if (@_) {  sub AUTOLOAD
     $self->login_banner(@_);  {
   }    my $self = shift;
   
   my $banner = $self->login_banner;    my ($method) = (our $AUTOLOAD) =~ /^.*::(\w+)$/
       or die "Weird: $AUTOLOAD";
   my ($type, $ver) = $banner =~  
     /Welcome to Trango Broadband Wireless (\S+)[\s-]+(.+)$/i;    if (exists $ALIASES{$method}) {
       $method = $ALIASES{$method};
   $self->login_banner($banner);      return $self->$method(@_);
   $self->host_type($type);    }
   $self->firmware_version($ver);  
     if (exists $COMMANDS{$method}) {
   return 1;      $COMMANDS{$method}{'String'} ||= $method;
 }      $COMMANDS{$method}{'args'} .= ' ' . shift if (@_ == 1);
       return $self->cmd(%{ $COMMANDS{$method} }, @_);
 =pod    }
   
 =item enable_tftpd    if (exists $ACCESS{$method}) {
       my $prev = $PRIVATE{$method};
 runs C<tftpd(args =E<gt> 'on')> and makes sure that Tftpd is now 'listen'ing      ($PRIVATE{$method}) = @_ if @_;
       return $prev;
 =cut    }
   
 sub enable_tftpd    $method = "SUPER::$method";
 {    return $self->$method(@_);
   my $self = shift;  }
   
   my $vals = $self->tftpd( args => 'on' );  =pod
   
   if ($vals->{'Tftpd'} eq 'listen') {  =item B<open>
     return $vals;  
   } else {  - Open a connection to a Trango AP.
     return undef;  
   }  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()
 =pod  
   =cut
 =item disable_tftpd  
   sub open
 runs C<tftpd(args =E<gt> 'off')> and makes sure that Tftpd is now 'disabled'  {
     my $self = shift;
 =cut  
     unless ( $self->SUPER::open(@_) ) {
 sub disable_tftpd      $self->last_error("Couldn't connect to " . $self->host . ":  $!");
 {      return undef;
   my $self = shift;    }
   
   my $vals = $self->tftpd( args => 'off' );    ## Get to login prompt
     unless ($self->waitfor(
   if (ref $vals eq 'HASH' && $vals->{'Tftpd'} eq 'disabled') {        -match => '/password: ?$/i',
     return $vals;        -errmode => "return",
   } else {      ) ) {
     return undef;      $self->last_error("problem connecting to host (" . $self->host . "): " .
   }          $self->lastline);
 }      return undef;
     }
 =pod  
     $self->parse_login_banner($self->lastline);
 =item cmd  
     $self->is_connected(1);
 This does most of the work.  At the heart, it calls Net::Telnet::cmd() but it also does some special stuff for Trango.  
     return $self->is_connected;
 Normally returns the last lines from from the command  }
   
 Also accepts these options:  =pod
   
 I<decode>  =item B<login>
 - if this is true, then it will send the output lines to _decode_lines() and then returns the decoded output  
   - Login to the AP.
 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  Calls open() if not already connected, then sends the password and sets
   logged_in() if successful
 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  =cut
   
 I<args>  sub login
 - a string containing the command line options that are passed to the command  {
     my $self = shift;
 =cut  
     unless ($self->is_connected) {
 sub cmd      $self->open or return undef;
 {    }
   my $self = shift;  
     my $password = shift;
   my @valid_net_telnet_opts = qw(  
     String    $self->print($password);
     Output    unless ($self->waitfor(
     Cmd_remove_mode      -match => $self->prompt,
     Errmode      -errmode => "return",
     Input_record_separator    ) ) {
     Ors      $self->last_error("login ($self->host) failed: " . $self->lastline);
     Output_record_separator      return undef;
     Prompt    }
     Rs  
     Timeout    $self->logged_in(1);
   );  
     return $self->logged_in;
   my %cfg;  }
   if (@_ == 2) {  
     $cfg{'String'} = shift;  =pod
   } elsif (@_ > 2) {  
     %cfg = @_;  =item B<parse_login_banner>
   }  
   - Converts the login_banner to some useful
   $cfg{'Timeout'} ||= $self->Timeout;  variables.
   
   unless ($cfg{'String'}) {  Takes a login banner (what you get when you first connect to the Trango)
     #$! = "No command passed";  or reads what is already in login_banner() then parses it and sets
     #warn "No command passed\n";  host_type() and firmware_version() as well as login_banner()
     return undef;  
   }  =cut
   
   unless ($self->is_connected) {  sub parse_login_banner
     #$! = "Not connected";  {
     #warn "Not connected\n";    my $self = shift;
     return undef;  
   }    if (@_) {
       $self->login_banner(@_);
   unless ($self->logged_in) {    }
     #$! = "Not logged in";  
     #warn "Not logged in\n";    my $banner = $self->login_banner;
     return undef;  
   }    my ($type, $ver) = $banner =~
       /Welcome to Trango Broadband Wireless (\S+)[\s-]+(.+)$/i;
   
   my %cmd;    $self->login_banner($banner);
   foreach (@valid_net_telnet_opts) {    $self->host_type($type);
     if (exists $cfg{$_}) {    $self->firmware_version($ver);
       $cmd{$_} = $cfg{$_};  
     }    return 1;
   }  }
   if ($cfg{'args'}) {  
     $cmd{'String'} .= ' ' . $cfg{'args'};  =pod
   }  
   my @lines = $self->SUPER::cmd(%cmd);  =item B<su_password>
   
   $self->last_lines(\@lines);  - Set the password on SUs connected to the AP.
   
   my $vals = 1;  su_password('new_password'[, 'suid']) If no suid is specified,
   if ($cfg{'decode'}) {  the default is "all".
     $vals = _decode_lines(@lines);  
   }    $t->su_password('good_pass', 5);
   
   =cut
   my $last = $self->lastline;  
   sub su_password
   if ((not $cfg{'expect'}) || $last =~ /$cfg{'expect'}$/) {  {
     if ($cfg{'cmd_disconnects'}) {    my $self     = shift;
       $self->logged_in(0);    my $new_pass = shift || '';
       $self->close;    my $su       = shift || 'all';
       $self->is_connected(0);  
     }    unless (defined $new_pass) {
       $self->last_error("No new password");
     if ($cfg{'decode'}) {      #return undef;
       return $vals;    }
     } else {  
       return @lines;    return $self->cmd(String => 'su password ' .
     }                       $su . ' ' .
   } else {                       $new_pass . ' ' .
     #$! = "Error with command ($cfg{'string'}): $last";                       $new_pass,
     return undef;                       expect => $success,
   }                      );
 }  }
   
 #=item _decode_lines  =pod
   
 sub _decode_lines  =item B<su_ipconfig>
 {  
   my @lines = @_;  - Change IP configuration on SUs connected to
   the AP.
   my %conf;  
   su_ipconfig( 'suid', 'new_ip', 'new_subnet', 'new_gateway' )
   my $key = '';  
   my $val = '';    $t->su_ipconfig( 5, '10.0.1.5', '255.255.255.0', '10.0.1.1' );
   my $in_key = 0;  
   my $in_val = 0;  =cut
   
   foreach my $line (@lines) {  sub su_ipconfig
     my @chars = split //, $line;  {
           my $self        = shift;
     my $last_key = '';  
     foreach my $c (@chars) {          my $suid        = shift;
           my $new_ip      = shift;
       if ($c eq '[' || $c eq "\r" || $c eq "\n") {          my $new_subnet  = shift;
         if ($c eq '[') {          my $new_gateway = shift;
           $in_key = 1;  
           $in_val = 0;          if ($suid =~ /\D/) {
         } else {                  $self->last_error("Invalid suid '$suid'");
           $in_key = 0;                  return undef;
           $in_val = 0;          }
         }          unless ($new_ip) {
                   $self->last_error("no new_ip passed");
         if ($key) {                  return undef;
           $key =~ s/^\s+//;          }
           $key =~ s/\s+$//;          unless ($new_subnet) {
                   $self->last_error("no new_subnet passed");
           $val =~ s/^\s+//;                  return undef;
           $val =~ s/\s+$//;          }
           unless ($new_gateway) {
           if ($key eq 'Checksum' && $last_key) {                  $self->last_error("no new_gateway passed");
             # Special case for these bastids.                  return undef;
             my $new = $last_key;          }
             $new =~ s/\s+\S+$//;  
             $key = $new . " " . $key;          # su ipconfig <suid> <new ip> <new subnet> <new gateway>
           }          return $self->cmd(String => 'su ipconfig ' .
                        $suid       . ' ' .
           $last_key = $key;                       $new_ip     . ' ' .
           $conf{$key} = $val;                       $new_subnet . ' ' .
           $key = '';                       $new_gateway,
           $val = '';                       expect => $success,
         }                      );
   }
       } elsif ($c eq ']') {  
         $in_val = 1;  =pod
         $in_key = 0;  
         $c = shift @chars;  =item B<sudb_view>
   
       } elsif ($in_key) {  - Returns the output from the sudb view command
         $key .= $c;  
   returns a reference to an array of hashes each containing these keys
       } elsif ($in_val) {  'suid', 'type', 'cir', 'mir' and 'mac'
         $val .= $c;  
       }  =cut
     }  
   }  sub sudb_view
   {
   if (%conf) {    my $self = shift;
     return \%conf;  
   } else {    my @lines = $self->cmd( String => 'sudb view', expect => $success );
     return \@lines;  
   }    return undef unless @lines;
 }  
     unless ($PRIVATE{'Decode'}) {
 1;      return \@lines;
 __END__    }
   
 =back    my @sus;
     foreach (@lines) {
 =head1 SEE ALSO      next unless $_;
       if (/^\[(\d+)\]\s+(\d+)\s+(\d+)\s+(\d+)\s+([0-9A-Fa-f\s]+)$/) {
 Trango Documentation - http://www.trangobroadband.com/support/product_docs.htm        my %s = (
           suid => $1,
 L<Net::Telnet>          type => $2,
           cir  => $3,
 =head1 TODO          mir  => $4,
           mac  => $5,
 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.            $s{'mac'} =~ s/\s//g;
             $s{'mac'} = uc($s{'mac'});
 =head1 AUTHOR  
         push @sus, \%s;
 Andrew Fresh E<lt>andrew@rraz.netE<gt>      }
     }
 =head1 COPYRIGHT AND LICENSE  
     return \@sus;
 Copyright (C) 2005 by Andrew Fresh  }
   
 This library is free software; you can redistribute it and/or modify  =pod
 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.  =item B<sudb_add>
   
   Takes the following paramaters
 =cut  
           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.
   
     $t->sudb_add($suid, 'reg', $cir, $mir, $mac);
   
   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/) {
                   $self->last_error("Invalid suid '$suid'");
                   return undef;
           }
   
           unless (lc($type) eq 'reg' || lc($type) eq 'pr') {
                   $self->last_error("Invalid type '$type'");
                   return undef;
           }
   
           if ($cir =~ /\D/) {
                   $self->last_error("Invalid CIR '$cir'");
                   return undef;
           }
   
           if ($mir =~ /\D/) {
                   $self->last_error("Invalid MIR '$mir'");
                   return undef;
           }
   
           my $new_mac = $mac;
           $new_mac =~ s/[^0-9A-Fa-f]//;
           unless (length $new_mac == 12) {
                   $self->last_error("Invalid MAC '$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 B<sudb_delete>
   
   Takes either 'all' or the  suid of the su to delete
   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
   when the AP is rebooted.
   
   =cut
   
   sub sudb_delete
   {
           my $self = shift;
           my $suid = shift;
   
           #if (lc($suid) ne 'all' || $suid =~ /\D/) {
           if ($suid =~ /\D/) {
                   $self->last_error("Invalid suid '$suid'");
                   return undef;
           }
   
           return $self->cmd( String => 'sudb delete ' . $suid, expect => $success );
   }
   
   =pod
   
   =item B<sudb_modify>
   
   Takes either the  suid of the su to change
   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.
   
     $t->sudb_modify($suid, 'cir', 512);
   
   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/) {
                   $self->last_error("Invalid suid '$suid'");
                   return undef;
           }
   
           if (lc($opt) eq 'cir' or lc($opt) eq 'mir') {
                   if ($value =~ /\D/) {
                           $self->last_error("Invalid $opt '$value'");
                           return undef;
                   }
           } elsif (lc($opt) eq 'su2su') {
                   if ($value =~ /[^0-9A-Za-f]/) {
                           $self->last_error("Invalid MAC '$value'");
                           return undef;
                   }
           } else {
                   $self->last_error("Invalid option '$opt'");
                   return undef;
           }
   
           my $string = 'sudb modify ' . $suid . ' ' . $opt . ' ' . $value;
   
           return $self->cmd( String => $string, expect => $success );
   }
   
   =pod
   
   =item B<enable_tftpd>
   
   - enable the TFTP server
   
   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 B<disable_tftpd>
   
   - disable the TFTP server
   
   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 B<cmd>
   
   - 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
   
   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>
   
   - 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>
   
   - 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>
   
   - 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
   
           $t->cmd( String => 'exit', no_prompt => 1, cmd_disconnects => 1 );
   
   =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'}) {
       $self->last_error("No command passed");
       return undef;
     }
   
     unless ($self->is_connected) {
       $self->last_error("Not connected");
       return undef;
     }
   
     unless ($self->logged_in) {
       $self->last_error("Not logged in");
       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 {
       $self->last_error("Error with command ($cfg{'String'}): $last");
       return undef;
     }
   }
   
   #=item _decode_lines
   
   sub _decode_lines
   {
     my @lines = @_;
   
     my %conf;
   
     my $key = '';
     my $val = undef;
     my @vals;
     my $in_key = 0;
     my $in_val = 1;
   
     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 = 1;
           }
   
           if ($key) {
             $key =~ s/^\s+//;
             $key =~ s/\s+$//;
   
             if ($val) {
               $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;
             }
   
             $conf{$key} = $val;
             $last_key = $key;
             $key = '';
           } elsif ($val) {
                           push @vals, $val;
                   }
           $val = '';
   
         } elsif ($c eq ']') {
           $in_val = 1;
           $in_key = 0;
           $c = shift @chars;
   
         } elsif ($in_key) {
           $key .= $c;
   
         } elsif ($in_val) {
           $val .= $c;
         }
       }
     }
   
     unless ($key) {
       push @vals, $val;
     }
   
     if (@vals == 1) {
       $val = $vals[0];
     } elsif (@vals) {
       $val= \@vals;
     } else {
       $val = undef;
     }
   
     if (%conf) {
       $conf{_pre} = $val if $val;
       return \%conf;
     } else {
       return $val;
     }
   }
   
   #=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) 2005,2006,2007 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
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