/usr/share/perl5/Palm/Mail.pm is in libpalm-perl 1:1.400-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# ABSTRACT: Handler for Palm OS Mail databases
#
# Copyright (C) 1999, 2000, Andrew Arensburger.
#
# This program is free software; you can redistribute it and/or modify
# it under the same terms as Perl itself.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See either the
# GNU General Public License or the Artistic License for more details.
use strict;
use Palm::Raw();
use Palm::StdAppInfo();
use vars qw( $VERSION @ISA );
# One liner, to allow MakeMaker to work.
$VERSION = '1.400';
# This file is part of Palm 1.400 (March 14, 2015)
@ISA = qw( Palm::StdAppInfo Palm::Raw );
#'
sub import
{
&Palm::PDB::RegisterPDBHandlers(__PACKAGE__,
[ "mail", "DATA" ],
);
}
#'
sub new
{
my $classname = shift;
my $self = $classname->SUPER::new(@_);
# Create a generic PDB. No need to rebless it,
# though.
$self->{name} = "MailDB"; # Default
$self->{creator} = "mail";
$self->{type} = "DATA";
$self->{attributes}{resource} = 0;
# The PDB is not a resource database by
# default, but it's worth emphasizing,
# since MailDB is explicitly not a PRC.
# Initialize the AppInfo block
$self->{appinfo} = {
sortOrder => undef, # XXX - ?
unsent => undef, # XXX - ?
sigOffset => 0, # XXX - ?
};
# Add the standard AppInfo block stuff
&Palm::StdAppInfo::seed_StdAppInfo($self->{appinfo});
$self->{sort} = undef; # Empty sort block
$self->{records} = []; # Empty list of records
return $self;
}
sub new_Record
{
my $classname = shift;
my $retval = $classname->SUPER::new_Record(@_);
# Set the date and time on this message to today and now. This
# is arguably bogus, since the Date: header on a message ought
# to represent the time when the message was sent, rather than
# the time when the user started composing it, but this is
# better than nothing.
($retval->{year},
$retval->{month},
$retval->{day},
$retval->{hour},
$retval->{minute}) = (localtime(time))[5,4,3,2,1];
$retval->{is_read} = 0; # Message hasn't been read yet.
# No delivery service notification (DSN) by default.
$retval->{confirm_read} = 0;
$retval->{confirm_delivery} = 0;
$retval->{priority} = 1; # Normal priority
$retval->{addressing} = 0; # XXX - ?
# All header fields empty by default.
$retval->{from} = undef;
$retval->{to} = undef;
$retval->{cc} = undef;
$retval->{bcc} = undef;
$retval->{replyTo} = undef;
$retval->{sentTo} = undef;
$retval->{body} = "";
return $retval;
}
# ParseAppInfoBlock
# Parse the AppInfo block for Mail databases.
sub ParseAppInfoBlock
{
my $self = shift;
my $data = shift;
my $dirtyAppInfo;
my $sortOrder;
my $unsent;
my $sigOffset; # XXX - Offset of signature?
my $appinfo = {};
my $std_len;
# Get the standard parts of the AppInfo block
$std_len = &Palm::StdAppInfo::parse_StdAppInfo($appinfo, $data);
$data = $appinfo->{other}; # Look at the non-category part
# Get the rest of the AppInfo block
my $unpackstr = # Argument to unpack()
"x2" . # Padding
"n" . # Dirty AppInfo (what is this?)
"Cx" . # Sort order
"N" . # Unique ID of unsent message (what is this?)
"n"; # Signature offset
($dirtyAppInfo, $sortOrder, $unsent, $sigOffset) =
unpack $unpackstr, $data;
$appinfo->{dirty_AppInfo} = $dirtyAppInfo;
$appinfo->{sort_order} = $sortOrder;
$appinfo->{unsent} = $unsent;
$appinfo->{sig_offset} = $sigOffset;
return $appinfo;
}
sub PackAppInfoBlock
{
my $self = shift;
my $retval;
# Pack the non-category part of the AppInfo block
$self->{appinfo}{other} = pack "x2 n Cx N n",
$self->{appinfo}{dirty_AppInfo},
$self->{appinfo}{sort_order},
$self->{appinfo}{unsent},
$self->{appinfo}{sig_offset};
# Pack the AppInfo block
$retval = &Palm::StdAppInfo::pack_StdAppInfo($self->{appinfo});
return $retval;
}
sub ParseRecord
{
my $self = shift;
my %record = @_;
my $data = $record{data};
delete $record{offset}; # This is useless
delete $record{data};
my $date;
my $hour;
my $minute;
my $flags;
my $subject;
my $from;
my $to;
my $cc;
my $bcc;
my $replyTo;
my $sentTo;
my $body;
my $extra; # Extra field after body. I don't know what
# it is.
my $unpackstr =
"n" . # Date
"C" . # Hour
"C" . # Minute
"n"; # Flags
($date, $hour, $minute, $flags) = unpack $unpackstr, $data;
my $year;
my $month;
my $day;
if ($date != 0)
{
$day = $date & 0x001f; # 5 bits
$month = ($date >> 5) & 0x000f; # 4 bits
$year = ($date >> 9) & 0x007f; # 7 bits (years since 1904)
$year += 1904;
$record{year} = $year;
$record{month} = $month;
$record{day} = $day;
$record{hour} = $hour;
$record{minute} = $minute;
}
my $is_read = ($flags & 0x8000);
my $has_signature = ($flags & 0x4000);
my $confirm_read = ($flags & 0x2000);
my $confirm_delivery = ($flags & 0x1000);
my $priority = ($flags >> 10) & 0x03;
my $addressing = ($flags >> 8) & 0x03;
# The signature is problematic: it's not stored in
# "MailDB.pdb": it's actually in "Saved Preferences.pdb". Work
# around this somehow; either read it from "Saved
# Preferences.pdb" or, more simply, just read ~/.signature if
# it exists.
$record{is_read} = 1 if $is_read;
$record{has_signature} = 1 if $has_signature;
$record{confirm_read} = 1 if $confirm_read;
$record{confirm_delivery} = 1 if $confirm_delivery;
$record{priority} = $priority;
$record{addressing} = $addressing;
my $fields = substr $data, 6;
my @fields = split /\0/, $fields;
($subject, $from, $to, $cc, $bcc, $replyTo, $sentTo, $body,
$extra) = @fields;
# Clean things up a bit
# Multi-line values are bad in these headers. Replace newlines
# with commas. Ideally, we'd use arrays for multiple
# recipients, but that would involve parsing addresses, which
# is non-trivial. Besides, most likely we'll just wind up
# sending these strings as they are to 'sendmail', which is
# better equipped to parse them.
$to =~ s/\s*\n\s*(?!$)/, /gs if defined($to);
$cc =~ s/\s*\n\s*(?!$)/, /gs if defined($cc);
$bcc =~ s/\s*\n\s*(?!$)/, /gs if defined($bcc);
$replyTo =~ s/\s*\n\s*(?!$)/, /gs if defined($replyTo);
$sentTo =~ s/\s*\n\s*(?!$)/, /gs if defined($sentTo);
$record{subject} = $subject;
$record{from} = $from;
$record{to} = $to;
$record{cc} = $cc;
$record{bcc} = $bcc;
$record{replyTo} = $replyTo;
$record{sentTo} = $sentTo;
$record{body} = $body;
$record{extra} = $extra;
return \%record;
}
sub PackRecord
{
my $self = shift;
my $record = shift;
my $retval;
my $rawDate;
my $flags;
$rawDate = ($record->{day} & 0x001f) |
(($record->{month} & 0x000f) << 5) |
((($record->{year} - 1904) & 0x07f) << 9);
$flags = 0;
$flags |= 0x8000 if $record->{is_read};
$flags |= 0x4000 if $record->{has_signature};
$flags |= 0x2000 if $record->{confirm_read};
$flags |= 0x1000 if $record->{confirm_delivery};
$flags |= (($record->{priority} & 0x03) << 10);
$flags |= (($record->{addressing} & 0x03) << 8);
$retval = pack "n C C n",
$rawDate,
$record->{hour},
$record->{minute},
$flags;
# can't leave any of these undef or join() complains
foreach (qw(subject from to cc bcc replyTo sentTo body) )
{
$record->{$_} ||= "";
}
$retval .= join "\0",
$record->{subject},
$record->{from},
$record->{to},
$record->{cc},
$record->{bcc},
$record->{replyTo},
$record->{sentTo},
$record->{body};
$retval .= "\0";
return $retval;
}
1;
__END__
=head1 NAME
Palm::Mail - Handler for Palm OS Mail databases
=head1 VERSION
This document describes version 1.400 of
Palm::Mail, released March 14, 2015
as part of Palm version 1.400.
=head1 SYNOPSIS
use Palm::Mail;
=head1 DESCRIPTION
The Mail PDB handler is a helper class for the Palm::PDB package. It
parses Mail databases.
=head2 AppInfo block
The AppInfo block begins with standard category support. See
L<Palm::StdAppInfo> for details.
Other fields include:
$pdb->{appinfo}{sortOrder}
$pdb->{appinfo}{unsent}
$pdb->{appinfo}{sigOffset}
I don't know what these are.
=head2 Sort block
$pdb->{sort}
This is a scalar, the raw data of the sort block.
=head2 Records
$record = $pdb->{records}[N]
$record->{year}
$record->{month}
$record->{day}
$record->{hour}
$record->{minute}
The message's timestamp.
$record->{is_read}
This is defined and true iff the message has been read.
$record->{has_signature}
For outgoing messages, this is defined and true iff the message should
have a signature attached. The signature itself is stored in the
"Saved Preferences.prc" database, and is of type "mail" with ID 2.
$record->{confirm_read}
If this is defined and true, then the sender requests notification
when the message has been read.
$record->{confirm_delivery}
If this is defined and true, then the sender requests notification
when the message has been delivered.
$record->{priority}
An integer in the range 0-2, for high, normal, or low priority,
respectively.
$record->{addressing}
An integer in the range 0-2, indicating the addressing type: To, Cc,
or Bcc respectively. I don't know what this means.
$record->{subject}
$record->{from}
$record->{to}
$record->{cc}
$record->{bcc}
$record->{replyTo}
$record->{sentTo}
Strings, the various header fields.
$record->{body}
A string, the body of the message.
=head1 METHODS
=head2 new
$pdb = new Palm::Mail;
Create a new PDB, initialized with the various Palm::Mail fields
and an empty record list.
Use this method if you're creating a Mail PDB from scratch.
=head2 new_Record
$record = $pdb->new_Record;
Creates a new Mail record, with blank values for all of the fields.
C<new_Record> does B<not> add the new record to C<$pdb>. For that,
you want C<$pdb-E<gt>append_Record>.
Note: the time given by the C<year>, C<month>, C<day>, C<hour>, and
C<minute> fields in the new record are initialized to the time when
the record was created. They should be reset to the time when the
message was sent.
=head1 SEE ALSO
L<Palm::PDB>
L<Palm::StdAppInfo>
=head1 CONFIGURATION AND ENVIRONMENT
Palm::Mail requires no configuration files or environment variables.
=head1 INCOMPATIBILITIES
None reported.
=head1 BUGS AND LIMITATIONS
No bugs have been reported.
=head1 AUTHORS
Andrew Arensburger C<< <arensb AT ooblick.com> >>
Currently maintained by Christopher J. Madsen C<< <perl AT cjmweb.net> >>
Please report any bugs or feature requests
to S<C<< <bug-Palm AT rt.cpan.org> >>>
or through the web interface at
L<< http://rt.cpan.org/Public/Bug/Report.html?Queue=Palm >>.
You can follow or contribute to p5-Palm's development at
L<< https://github.com/madsen/p5-Palm >>.
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2003 by Andrew Arensburger & Alessandro Zummo.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=head1 DISCLAIMER OF WARRANTY
BECAUSE THIS SOFTWARE IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
FOR THE SOFTWARE, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
PROVIDE THE SOFTWARE "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER
EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE SOFTWARE IS WITH
YOU. SHOULD THE SOFTWARE PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL
NECESSARY SERVICING, REPAIR, OR CORRECTION.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
REDISTRIBUTE THE SOFTWARE AS PERMITTED BY THE ABOVE LICENSE, BE
LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL,
OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE
THE SOFTWARE (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
FAILURE OF THE SOFTWARE TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
=cut
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