1 /* $NetBSD: exec_coff.c,v 1.4 2000/06/14 17:25:59 cgd Exp $ */ 2 3 /* 4 * Copyright (c) 1997 Christopher G. Demetriou 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed for the 18 * NetBSD Project. See http://www.netbsd.org/ for 19 * information about NetBSD. 20 * 4. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 * 34 * <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>> 35 */ 36 37 #include <sys/cdefs.h> 38 #ifndef lint 39 __RCSID("$NetBSD: exec_coff.c,v 1.4 2000/06/14 17:25:59 cgd Exp $"); 40 #endif 41 42 #include <stdio.h> 43 #include <stdlib.h> 44 #include <string.h> 45 #include <unistd.h> 46 #include <errno.h> 47 #include <a.out.h> 48 #include <sys/types.h> 49 #include <sys/stat.h> 50 51 #include "extern.h" 52 53 #if defined(NLIST_COFF) 54 55 #include <sys/exec_coff.h> 56 57 int 58 check_coff(int fd, const char *filename) 59 { 60 struct coff_filehdr fh; 61 struct stat sb; 62 63 /* 64 * Check the header to make sure it's an COFF file (of the 65 * appropriate size). 66 */ 67 if (fstat(fd, &sb) == -1) 68 return 0; 69 if (sb.st_size > SIZE_T_MAX) 70 return 0; 71 if (read(fd, &fh, sizeof fh) != sizeof fh) 72 return 0; 73 74 if (COFF_BADMAG(&fh)) 75 return 0; 76 77 return 1; 78 } 79 80 int 81 hide_coff(int fd, const char *filename) 82 { 83 84 fprintf(stderr, "%s: COFF executables not currently supported\n", 85 filename); 86 return 1; 87 } 88 89 #endif /* defined(NLIST_COFF) */ 90