John Reiser
50 lines
1.5 KiB
Perl
50 lines
1.5 KiB
Perl
#! /usr/bin/perl -w
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#
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# brandBSD.pl -- brand an ELF binary as Linux or FreeBSD
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#
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# This file is part of the UPX executable compressor.
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#
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# Copyright (C) 1996-2006 Markus Franz Xaver Johannes Oberhumer
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# Copyright (C) 1996-2006 Laszlo Molnar
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# All Rights Reserved.
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#
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# UPX and the UCL library are free software; you can redistribute them
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# and/or modify them under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; see the file COPYING.
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# If not, write to the Free Software Foundation, Inc.,
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# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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# Markus F.X.J. Oberhumer Laszlo Molnar
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# <mfx@users.sourceforge.net> <ml1050@users.sourceforge.net>
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#
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$fname = shift || die;
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$sig = shift || "FreeBSD";
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die if length($sig) > 7;
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sysopen (FH,$fname,2) || die;
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binmode FH;
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sysread (FH,$header,7) || die;
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die if (substr($header, 0, 7) ne "\x7f\x45\x4c\x46\x01\x01\x01");
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syswrite (FH,"\011\0",2) || die;
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# syswrite (FH,$sig,length($sig)) || die;
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# syswrite (FH,"\0\0\0\0\0\0\0\0",8-length($sig)) || die;
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close (FH) || die;
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exit (0);
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# vi:ts=4:et
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