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#!/usr/bin/perl -w
=encoding UTF-8
=head1 NAME
debinhex.pl - use Convert::BinHex to decode BinHex files
=head1 USAGE
Usage:
debinhex.pl [options] file ... file
Where the options are:
-o dir Output in given directory (default outputs in file's directory)
-v Verbose output (normally just one line per file is shown)
=head1 DESCRIPTION
Each file is expected to be a BinHex file. By default, the output file is
given the name that the BinHex file dictates, regardless of the name of
the BinHex file.
=head1 WARNINGS
Largely untested.
=head1 AUTHORS
Paul J. Schinder (NASA/GSFC) mostly, though Eryq can't seem to keep
his grubby paws off anything...
Sören M. Andersen (somian), made it actually work under Perl 5.8.7 on MSWin32.
=cut
our $VERSION = '1.125'; # VERSION
my $The_OS;
BEGIN { $The_OS = $^O ? $^O : q// }
eval { require Mac::Files } if ($The_OS eq "MacOS");
use Getopt::Std;
use Convert::BinHex;
use POSIX;
use Fcntl;
use File::Basename;
use Carp;
use strict;
use vars qw(
$opt_o
$opt_v
);
my $DEBUG = 0;
#------------------------------------------------------------
# main
#------------------------------------------------------------
sub main {
# What usage?
@ARGV or usage();
getopts('o:v');
$DEBUG = $opt_v;
# Process files:
my $file;
foreach $file (@ARGV) {
debinhex($file);
}
}
exit(&main ? 0 : -1);
#------------------------------------------------------------
# usage
#------------------------------------------------------------
# Get usage from me.
sub usage {
my $msg = shift || '';
my $usage = '';
if (open(USAGE, "<$0")) {
while (defined($_ = <USAGE>) and !/^=head1 USAGE/) {};
while (defined($_ = <USAGE>) and !/^=head1/) {$usage .= $_};
close USAGE;
}
else {
$usage = "Usage unavailable; please see the script itself.";
}
print STDERR "\n$msg$usage";
exit -1;
}
#------------------------------------------------------------
# debinhex FILE
#------------------------------------------------------------
# Decode the given FILE.
#
sub debinhex {
my $inpath = shift || croak("No filename given $!");
local *BHEX;
my ($data, $testlength, $length, $fd);
print "DeBinHexing: $inpath\n";
# Open BinHex file:
open(BHEX,"<$inpath") || croak("Unable to open $inpath: $!");
binmode BHEX;
# Create converter interface on stream:
my $hqx = Convert::BinHex->open(FH => \*BHEX);
# Read header, and output as string if debugging:
$hqx->read_header;
print $hqx->header_as_string if $DEBUG;
# Get output directory/filename:
my ($inname, $indir) = fileparse($inpath);
my $outname = $hqx->filename || 'NONAME';
my $outdir = $opt_o || $indir;
my $outpath = "$outdir/$outname"; $outpath =~ s{/+}{/}g;
# Create Mac file:
if ($The_OS eq "MacOS") {
Mac::Files::FSpCreate($outpath, $hqx->creator, $hqx->type)
or croak("Unable to create Mac file $outpath");
}
# Get lengths of forks:
my $dlength = $hqx->data_length;
my $rlength = $hqx->resource_length;
# Write data fork:
print "Writing: $outpath\n";
$fd = POSIX::open($outpath, (&POSIX::O_WRONLY | &POSIX::O_CREAT | &Fcntl::O_BINARY), 0755);
$testlength = 0;
while (defined($data = $hqx->read_data)) {
$length = length($data);
POSIX::write($fd, $data, $length)
or croak("couldn't write $length bytes: $!");
$testlength += $length;
}
POSIX::close($fd) or croak "Unable to close $outpath";
croak("Data fork length mismatch: ".
"expected $dlength, wrote $testlength")
if $dlength != $testlength;
# Write resource fork?
if ($rlength) {
# Determine how to open fork file appropriately:
my ($rpath, $rflags);
if ($The_OS eq "MacOS") {
$rpath = $outpath;
$rflags = (&POSIX::O_WRONLY | &POSIX::O_CREAT | &Fcntl::O_RSRC);
}
else {
$rpath = "$outpath.rsrc";
$rflags = (&POSIX::O_WRONLY | &POSIX::O_CREAT | &Fcntl::O_BINARY);
}
# Write resource fork...
$fd = POSIX::open($rpath, $rflags, 0755);
$testlength = 0;
while (defined($data = $hqx->read_resource)) {
$length = length($data);
POSIX::write($fd,$data,$length)
or croak "Couldn't write $length bytes: $!";
$testlength += $length;
}
POSIX::close($fd) or croak "Unable to close $rpath";
croak("Resource fork length mismatch: ".
"expected $rlength, wrote $testlength")
if $testlength != $rlength;
}
# Set Mac attributes:
if ($The_OS eq "MacOS") {
my $has = Mac::Files::FSpGetCatInfo($outpath);
my $finfo = $has->{ioFlFndrInfo};
$finfo->{fdFlags} = $hqx->flags & 0xfeff; #turn off inited bit
$finfo->{fdType} = $hqx->type || "????";
$finfo->{fdCreator} = $hqx->creator || "????";
# Turn on the bundle bit if it's an application:
### $finfo->{fdFlags} |= 0x2000 if $finfo->{fdType} eq "APPL";
if ($DEBUG) {
printf("%x\n",$finfo->{fdFlags});
printf("%s\n",$finfo->{fdType});
printf("%s\n",$finfo->{fdCreator});
}
$has->{ioFlFndrInfo} = $finfo;
Mac::Files::FSpSetCatInfo($outpath, $has)
or croak "Unable to set catalog info $^E";
if ($DEBUG) {
$has = Mac::Files::FSpGetCatInfo ($outpath);
printf("%x\n",$has->{ioFlFndrInfo}->{fdFlags});
printf("%s\n",$has->{ioFlFndrInfo}->{fdType});
printf("%s\n",$has->{ioFlFndrInfo}->{fdCreator});
}
}
1;
}
#------------------------------------------------------------
__END__
# Last modified: 16 Feb 2006 at 05:16 PM EST