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password

ARCv2

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139 B<Execute>. If your command runs into an error use the _SetError function 
and return immediately. This is what ARCv2 will evaluate and send to the
client.
 
B<Example>:
 sub Execute
 {
  my $this = shift;
  my $pw = <>;
  if ($pw ne "klaus") {
          return $this->_SetError("Wrong password.");
  }
 }
  
In ARCv2 some standard commands are already implemented: C<Arc::Command::Get>,
C<Arc::Command::Put>, C<Arc::Command::Uptime>, C<Arc::Command::Whoami>,
C<Arc::Command::Test>.
 
By default, these classes are mapped to B<Command Names> as follows (in the 
default arcxd.conf for arcxd):
  uptime => Arc::Command::Uptime,

lib/Arc/Connection/Client.pm view on Meta::CPAN

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34  
sub members 
{
        my $this = shift;
        return { %{$this->SUPER::members},
                logfileprefix => "client",
                logdestination => "stderr",
                 
                sasl_cb_user => $ENV{'USER'}, # SASL Callback for username (PLAIN and some other mechs only)
                sasl_cb_auth => $ENV{'USER'}, # SASL Callback for authname (PLAIN and some other mechs only)
                sasl_cb_pass => "",           # SASL Callback for password (PLAIN and some other mechs only)
 
                server => undef,              # Server to connect to
                port => undef,                # Port to connect to
                sasl_mechanism => undef,      # use this mechanism for authentication
                server_sasl_mechanisms => [], # filled by the sasl mechanisms
                protocol => 1,                     # Which protocol type the shall use.
        };
}
 
sub _Init

lib/Arc/Connection/Client.pod view on Meta::CPAN

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75  my $arc = new Arc::Connection::Client(
  server => "hyade11",
  port => 4242,
  timeout => 30,
  loglevel=> 7,
  logdestination => 'stderr',
  service => 'arc',
  sasl_mechanism => undef,
  sasl_cb_user => \&username,
  sasl_cb_auth => \&username,
  sasl_cb_pass => \&password,
 );
 
 if (my $m = $arc->IsError()) {
  die $m;
 }
 
 if ($arc->StartSession) {
  $arc->CommandStart("test");
  $arc->CommandWrite("hallo\n");
  if (my $t = $arc->CommandRead()) {
   print $t,"\n"; # should give 'all'
  }
  $arc->CommandEnd();
 }
 
 sub username
 {
  return $ENV{'USER'};
 }
 
 sub password
 {
  return <>;
 }
 
 
=head1 Class VARIABLES
 
=head3 PUBLIC MEMBERS
 
=over 2

lib/Arc/Connection/Client.pod view on Meta::CPAN

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115 B<Default value>: 1
 
=item sasl_cb_auth 
 
B<Description>: SASL Callback for authname (PLAIN and some other mechs only)
 
B<Default value>: $ENV{'USER'}
 
=item sasl_cb_pass 
 
B<Description>: SASL Callback for password (PLAIN and some other mechs only)
 
B<Default value>: ""
 
=item sasl_cb_user 
 
B<Description>: SASL Callback for username (PLAIN and some other mechs only)
 
B<Default value>: $ENV{'USER'}
 
=item sasl_mechanism

lib/arcx.pod view on Meta::CPAN

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53 to /etc/passwd.
 
=back
 
=head1 USAGE
 
As usual a command line interface has some parameters to influence the behaviour.
 
The scheme looks like this:
 
arcx [-h <hostname>] [-p <port>] [-l <loglevel] [-L <logdestination] [-n] [-v] [-S <service>] [-F -f <history>] [-u|-U <username>] [-a|-A <authname>] [-w|-W <password>] [-s <mech>] [-t <timeout in sec>] [-r <string>] [command [command-arguments]]
 
=head2 Parameter
 
=over 4
 
=item -h <hostname>
 
The hostname, where the ARCv2 server is running. If no -h option is given, arcx will use the one chosen at compile time ($Arc::DefaultHost).
 
=item -p <port>

lib/arcx.pod view on Meta::CPAN

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117 =item -a
 
Ask for a authorization name.
 
=item -A <authname>
 
Use the <authname> for authorisation.
 
=item -w
 
Ask for a password (Only if SASL needs one).
 
=item -W <password>
 
Use the <password> for authentication. (Only if an appropriate mechanism is used. (eg. PLAIN)).
 
=item -s <mechanism>
 
For authentication use the given <mechanism>. (Default: let the server decide.)
 
=item -t <timeout>
 
Timeout in seconds to wait for data in control and command connection.
 
=item -r <string>

scripts/arcx view on Meta::CPAN

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97 my $arc = new Arc::Connection::Client(
        server => $args{h},
        port => $args{p},
        timeout => $args{t},
        loglevel=> $args{l},
        logdestination => $args{L},
        service => $args{S},
        sasl_mechanism => $args{s},
        sasl_cb_user => \&username,
        sasl_cb_auth => \&authname,
        sasl_cb_pass => \&password,
        protocol => $args{0} ? 0 : 1,
);
 
if (my $msg = $arc->IsError()) {
        err($msg);
        $retval = 1;
        next;
}
if ($arc->StartSession) {
        err("You are authenticated to $arc->{server}:$arc->{port} using $arc->{sasl_mechanism}.") if $args{n} || $intact || $args{v};

scripts/arcx view on Meta::CPAN

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210 }
 
sub usage
{
        my $msg = shift;
        print STDERR <<EOT;
$msg
$0 [-h <hostname>] [-p <port>] [-l <loglevel]
   [-L <logdestination] [-n] [-v] [-S <service>]
   [-F -f <history>] [-u|-U <username>] [-a|-A <authname>]
   [-w|-W <password>] [-s <mech>] [-t <timeout in sec>]
   [-r <string>] [-V] [-C <conffile>] [command [command-arguments]]
 
  (Remark: Some parameters behave different in comparison to the old arc)
 
  -h <hostname>    specify the ARCv2 server
  -p <port>        port to connect (default: $Arc::DefaultPort)
  -t <timeout>     specify the timeout in seconds (default: 30 secs)
  -0               use old protocol type (unencrypted protocol conn.)
  -C <conffile>    use <conffile> as source for server-command-mapping.
                   (default: $Arc::ConfigPath/arcx.conf)

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234  
  -S <service>     name of the service used for arc auth (default: arc)
  -s <mech>        use <mech> as authentication mechanism for SASL
  -n               do nothing, just try to authenticate
  -v               be verbose
 
  -U <username>    username for authentication (dep. on SASL mechanism)
  -u               ask for username
  -A <authz name>  username for authorization (dep. SASL mechanism)
  -a               ask for authname
  -W <password>    password (dep. on SASL mechanism)
  -w               ask for password
 
  -f <history>     filename for command history (def: $ENV{HOME}/.archistory)
  -F               don't add commands to the history file
 
  -l <loglevel>    loglevel (see man Arc) (default: 0, error msgs will be on stderr)
  -L <logdest>     log destination (possible values: 'syslog' (def) or 'stderr')
  -V               display version information
 
$Arc::Copyright
$Arc::Contact

scripts/arcx view on Meta::CPAN

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278 {
        if (defined $args{A} && $args{A} ne "") {
                return $args{A};
        } elsif (defined $args{a}) {
                print STDERR "Enter your name for authorization: "; return <STDIN>;
        } else {
                return $ENV{'USER'};
        }
}
 
sub password
{
        if (defined $args{P} && $args{P} ne "") {
                return $args{P};
        } elsif (defined $args{p}) {
                print STDERR "Enter your password: ";
                ReadMode 2;
                my $pw = <STDIN>;
                ReadMode 0;
                return $pw;
        } else {
                return $ENV{'USER'};
        }
}
 
sub verbout

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