91 lines
2.7 KiB
C
91 lines
2.7 KiB
C
/* $NetBSD: exec_coff.c,v 1.6 2003/07/26 20:34:12 salo Exp $ */
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/*
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* Copyright (c) 1997 Christopher G. Demetriou
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the
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* NetBSD Project. See http://www.NetBSD.org/ for
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* information about NetBSD.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: exec_coff.c,v 1.6 2003/07/26 20:34:12 salo Exp $");
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <errno.h>
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#include <a.out.h>
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#include <limits.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include "extern.h"
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#if defined(NLIST_COFF)
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#include <sys/exec_coff.h>
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int
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check_coff(int fd, const char *filename)
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{
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struct coff_filehdr fh;
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struct stat sb;
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/*
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* Check the header to make sure it's an COFF file (of the
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* appropriate size).
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*/
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if (fstat(fd, &sb) == -1)
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return 0;
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if (sb.st_size > SIZE_T_MAX)
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return 0;
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if (read(fd, &fh, sizeof fh) != sizeof fh)
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return 0;
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if (COFF_BADMAG(&fh))
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return 0;
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return 1;
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}
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int
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hide_coff(int fd, const char *filename)
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{
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fprintf(stderr, "%s: COFF executables not currently supported\n",
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filename);
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return 1;
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}
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#endif /* defined(NLIST_COFF) */
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