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###########################################
package Net::SSH::AuthorizedKey::SSH2;
###########################################
use strict;
use warnings;
use Net::SSH::AuthorizedKey::Base;
use base qw(Net::SSH::AuthorizedKey::Base);
use Log::Log4perl qw(:easy);
# No additional options, only global ones
our %VALID_OPTIONS = ();
our $KEYTYPE_REGEX = qr/rsa|dsa|ssh-rsa|ssh-dss|ssh-ed25519|ecdsa-\S+/;
our @REQUIRED_FIELDS = qw(
encryption
);
__PACKAGE__->make_accessor( $_ ) for
(@REQUIRED_FIELDS);
###########################################
sub new {
###########################################
my($class, %options) = @_;
return $class->SUPER::new( %options, type => "ssh-2" );
}
###########################################
sub as_string {
###########################################
my($self) = @_;
my $string = $self->options_as_string();
$string .= " " if length $string;
$string .= "$self->{encryption} $self->{key}";
$string .= " $self->{email}" if length $self->{email};
return $string;
}
###########################################
sub parse_multi_line {
###########################################
my($self, $string) = @_;
my @fields = ();
while($string =~ s/^(.*):\s+(.*)//gm) {
my($field, $value) = ($1, $2);
# remove quotes
$value =~ s/^"(.*)"$/$1/;
push @fields, $field, $value;
my $lcfield = lc $field;
if( $self->accessor_exists( $lcfield ) ) {
$self->$lcfield( $value );
} else {
WARN "Ignoring unknown field '$field'";
}
}
# Rest is the key, split across several lines
$string =~ s/\n//g;
$self->key( $string );
$self->type( "ssh-2" );
# Comment: "rsa-key-20090703"
if($self->comment() =~ /\b(.*?)-key/) {
$self->encryption( "ssh-" . $1 );
} elsif( ! $self->{strict} ) {
WARN "Unknown encryption [", $self->comment(),
"] fixed to ssh-rsa";
$self->encryption( "ssh-rsa" );
}
}
###########################################
sub key_read {
############################################
my($class, $line) = @_;
if($line !~ s/^($KEYTYPE_REGEX)\s*//) {
DEBUG "No SSH2 keytype found";
return undef;
}
my $encryption = $1;
DEBUG "Parsed encryption $encryption";
if($line !~ s/^(\S+)\s*//) {
DEBUG "No SSH2 key found";
return undef;
}
my $key = $1;
DEBUG "Parsed key $key";
my $email = $line;
my $obj = __PACKAGE__->new();
$obj->encryption( $encryption );
$obj->key( $key );
$obj->email( $email );
$obj->comment( $email );
return $obj;
}
###########################################
sub sanity_check {
###########################################
my($self) = @_;
for my $field (@REQUIRED_FIELDS) {
if(! length $self->$field()) {
WARN "ssh-2 sanity check failed '$field' requirement";
return undef;
}
}
return 1;
}
###########################################
sub option_type {
###########################################
my($self, $option) = @_;
if(exists $VALID_OPTIONS{ $option }) {
return $VALID_OPTIONS{ $option };
}
return undef;
}
1;
__END__
=head1 NAME
Net::SSH::AuthorizedKey::SSH2 - Net::SSH::AuthorizedKey subclass for ssh-2
=head1 DESCRIPTION
See Net::SSH::AuthorizedKey.
=head1 LEGALESE
Copyright 2005 by Mike Schilli, all rights reserved.
This program is free software, you can redistribute it and/or
modify it under the same terms as Perl itself.
=head1 AUTHOR
2005, Mike Schilli <m@perlmeister.com>
|
