version 1.55, 2008/09/17 15:47:47 |
version 1.59, 2008/09/19 06:39:07 |
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package Palm::Keyring; |
package Palm::Keyring; |
# $RedRiver: Keyring.pm,v 1.54 2007/12/05 05:42:29 andrew Exp $ |
# $RedRiver: Keyring.pm,v 1.58 2008/09/19 02:50:05 andrew Exp $ |
######################################################################## |
######################################################################## |
# Keyring.pm *** Perl class for Keyring for Palm OS databases. |
# Keyring.pm *** Perl class for Keyring for Palm OS databases. |
# |
# |
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else { |
else { |
$options->{password} = shift; |
$options->{password} = shift; |
$options->{version} = shift; |
$options->{version} = shift; |
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$options->{cipher} = shift; |
} |
} |
} |
} |
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$self->{appinfo}->{iter} ||= $self->{options}->{iterations}; |
$self->{appinfo}->{iter} ||= $self->{options}->{iterations}; |
}; |
}; |
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if ( defined $options->{file} ) { |
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$self->Load($options->{file}); |
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} |
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if ( defined $options->{password} ) { |
if ( defined $options->{password} ) { |
$self->Password($options->{password}); |
$self->Password($options->{password}); |
} |
} |
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} |
} |
} |
} |
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my $rc = $self->SUPER::Write(@_); |
my @rc = $self->SUPER::Write(@_); |
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if ($self->{version} == 4) { |
if ($self->{version} == 4) { |
shift @{ $self->{records} }; |
shift @{ $self->{records} }; |
} |
} |
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return $rc; |
return @rc; |
} |
} |
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# ParseRecord |
# ParseRecord |
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my $self = shift; |
my $self = shift; |
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my $rec = $self->SUPER::ParseRecord(@_); |
my $rec = $self->SUPER::ParseRecord(@_); |
return $rec if ! exists $rec->{data}; |
return $rec if !(defined $rec->{data} && length $rec->{data} ); |
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if ($self->{version} == 4) { |
if ($self->{version} == 4) { |
# skip the first record because it contains the password. |
# skip the first record because it contains the password. |
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$self->{encpassword} = $rec->{data}; |
$self->{encpassword} = $rec->{data}; |
return '__DELETE_ME__'; |
return '__DELETE_ME__'; |
} |
} |
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if ($self->{records}->[0] eq '__DELETE_ME__') { |
if ($self->{records}->[0] eq '__DELETE_ME__') { |
shift @{ $self->{records} }; |
shift @{ $self->{records} }; |
} |
} |
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$rec->{encrypted} = substr $extra, $blocksize; |
$rec->{encrypted} = substr $extra, $blocksize; |
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} else { |
} else { |
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# XXX Can never get here to test, ParseAppInfoBlock is always run |
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# XXX first by Load(). |
croak "Unsupported Version $self->{version}"; |
croak "Unsupported Version $self->{version}"; |
return; |
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} |
} |
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return $rec; |
return $rec; |
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if ($rec->{encrypted}) { |
if ($rec->{encrypted}) { |
my $name = $rec->{plaintext}->{0}->{data} || $EMPTY; |
my $name = $rec->{plaintext}->{0}->{data} || $EMPTY; |
$rec->{data} = join $NULL, $name, $rec->{encrypted}; |
$rec->{data} = join $NULL, $name, $rec->{encrypted}; |
delete $rec->{plaintext}; |
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delete $rec->{encrypted}; |
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} |
} |
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} elsif ($self->{version} == 5) { |
} elsif ($self->{version} == 5) { |
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croak 'No encrypted data in record' if !defined $rec->{encrypted}; |
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croak 'No ivec!' if !$rec->{ivec}; |
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my $field; |
my $field; |
if ($rec->{plaintext}->{0}) { |
if ($rec->{plaintext}->{0}) { |
$field = $rec->{plaintext}->{0}; |
$field = $rec->{plaintext}->{0}; |
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} else { |
} else { |
croak "Unsupported Version $self->{version}"; |
croak "Unsupported Version $self->{version}"; |
} |
} |
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# XXX Should I? |
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delete $rec->{plaintext}; |
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delete $rec->{encrypted}; |
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croak 'No data in record to pack' if !$rec->{data}; |
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return $self->SUPER::PackRecord($rec, @_); |
return $self->SUPER::PackRecord($rec, @_); |
} |
} |
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# Nothing extra for version 4 |
# Nothing extra for version 4 |
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} elsif ($self->{version} == 5) { |
} elsif ($self->{version} == 5) { |
_parse_appinfo_v5($appinfo) || return; |
_parse_appinfo_v5($appinfo); |
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} else { |
} else { |
croak "Unsupported Version $self->{version}"; |
croak "Unsupported Version $self->{version}"; |
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{ |
{ |
my $appinfo = shift; |
my $appinfo = shift; |
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if (! exists $appinfo->{other}) { |
croak 'Corrupt appinfo? no {other}' if ! $appinfo->{other}; |
# XXX Corrupt appinfo? |
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return; |
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} |
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my $unpackstr |
my $unpackstr |
= ("C1" x 8) # 8 uint8s in an array for the salt |
= ("C1" x 8) # 8 uint8s in an array for the salt |
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my $self = shift; |
my $self = shift; |
my $rec = shift; |
my $rec = shift; |
my $pass = shift || $self->{password}; |
my $pass = shift || $self->{password}; |
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if ( !$rec ) { |
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croak('Needed parameter [record] not passed!'); |
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} |
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my $data = shift || $rec->{plaintext}; |
my $data = shift || $rec->{plaintext}; |
my $ivec = shift; |
my $ivec = shift; |
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if ( ! $pass && ! $self->{appinfo}->{key}) { |
if ( ! $pass && ! $self->{appinfo}->{key}) { |
croak("password not set!\n"); |
croak('password not set!'); |
} |
} |
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if ( ! $rec) { |
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croak("Needed parameter 'record' not passed!\n"); |
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} |
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if ( ! $data) { |
if ( ! $data) { |
croak("Needed 'plaintext' not passed!\n"); |
croak('Needed parameter [plaintext] not passed!'); |
} |
} |
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if ( $pass && ! $self->Password($pass)) { |
if ( $pass && ! $self->Password($pass)) { |
croak("Incorrect Password!\n"); |
croak('Incorrect Password!'); |
} |
} |
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my $acct; |
my $acct; |
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my $c = crypts($cipher) or croak('Unknown cipher ' . $cipher); |
my $c = crypts($cipher) or croak('Unknown cipher ' . $cipher); |
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if (! defined $ivec) { |
if (! defined $ivec) { |
$ivec = pack("C*",map {rand(256)} 1..$c->{blocksize}); |
while (! $ivec) { |
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$ivec = pack("C*",map {rand(256)} 1..$c->{blocksize}); |
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} |
} |
} |
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my $changed = 0; |
my $changed = 0; |
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=head2 new |
=head2 new |
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$pdb = new Palm::Keyring([$password[, $version]]); |
$pdb = new Palm::Keyring([$password[, $version[, $cipher]]]); |
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Create a new PDB, initialized with the various Palm::Keyring fields |
Create a new PDB, initialized with the various Palm::Keyring fields |
and an empty record list. |
and an empty record list. |
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=item iterations |
=item iterations |
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The number of iterations to encrypt with. Only used by somy crypts in v5 databases. |
The number of iterations to encrypt with. Only used by somy crypts in v5 databases. |
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=item file |
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The name of a file to Load(). This will override many of the other options. |
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=back |
=back |
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