1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 23 /* All Rights Reserved */ 24 25 26 /* 27 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 28 * Use is subject to license terms. 29 */ 30 31 #pragma ident "%Z%%M% %I% %E% SMI" 32 33 #include <stdio.h> 34 #include <stdlib.h> 35 #include <string.h> 36 #include <sys/types.h> 37 #include <rpc/trace.h> 38 39 # define VSTR "# VERSION=" 40 41 42 /* 43 * check_version - check to make sure designated file is the correct version 44 * returns : 0 - version correct 45 * 1 - version incorrect 46 * 2 - could not open file 47 * 3 - corrupt file 48 */ 49 50 51 int 52 check_version(ver, fname) 53 int ver; 54 char *fname; 55 { 56 FILE *fp; /* file pointer for sactab */ 57 char line[BUFSIZ]; /* temp buffer for input */ 58 char *p; /* working pointer */ 59 int version; /* version number from sactab */ 60 61 trace2(TR_check_version, 0, ver); 62 if ((fp = fopen(fname, "r")) == NULL) { 63 trace2(TR_check_version, 1, ver); 64 return(2); 65 } 66 p = line; 67 while (fgets(p, BUFSIZ, fp)) { 68 if (!strncmp(p, VSTR, strlen(VSTR))) { 69 p += strlen(VSTR); 70 if (*p) 71 version = atoi(p); 72 else { 73 trace2(TR_check_version, 1, ver); 74 return(3); 75 } 76 (void) fclose(fp); 77 trace2(TR_check_version, 1, ver); 78 return((version != ver) ? 1 : 0); 79 } 80 p = line; 81 } 82 trace2(TR_check_version, 1, ver); 83 return(3); 84 } 85