1 /* $OpenBSD: uname.c,v 1.5 2001/07/12 05:17:27 deraadt Exp $ */ 2 3 /* 4 * Copyright (c) 1994 Winning Strategies, Inc. 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 by Winning Strategies, Inc. 18 * 4. The name of Winning Strategies, Inc. may not be used to endorse or 19 * promote products derived from this software without specific prior 20 * written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 static char rcsid[] = "$OpenBSD: uname.c,v 1.5 2001/07/12 05:17:27 deraadt Exp $"; 36 #endif /* not lint */ 37 38 #include <sys/param.h> 39 #include <stdio.h> 40 #include <locale.h> 41 #include <unistd.h> 42 #include <sys/utsname.h> 43 #include <sys/sysctl.h> 44 #include <err.h> 45 46 static void usage(); 47 48 #define PRINT_SYSNAME 0x01 49 #define PRINT_NODENAME 0x02 50 #define PRINT_RELEASE 0x04 51 #define PRINT_VERSION 0x08 52 #define PRINT_MACHINE 0x10 53 #define PRINT_ALL 0x1f 54 #define PRINT_PROCESSOR 0x20 55 56 int 57 main(argc, argv) 58 int argc; 59 char **argv; 60 { 61 struct utsname u; 62 int c; 63 int space = 0; 64 int print_mask = 0; 65 66 setlocale(LC_ALL, ""); 67 68 while ((c = getopt(argc,argv,"amnrsvp")) != -1 ) { 69 switch ( c ) { 70 case 'a': 71 print_mask |= PRINT_ALL; 72 break; 73 case 'm': 74 print_mask |= PRINT_MACHINE; 75 break; 76 case 'n': 77 print_mask |= PRINT_NODENAME; 78 break; 79 case 'r': 80 print_mask |= PRINT_RELEASE; 81 break; 82 case 's': 83 print_mask |= PRINT_SYSNAME; 84 break; 85 case 'v': 86 print_mask |= PRINT_VERSION; 87 break; 88 case 'p': 89 print_mask |= PRINT_PROCESSOR; 90 break; 91 default: 92 usage(); 93 /* NOTREACHED */ 94 } 95 } 96 97 if (optind != argc) { 98 usage(); 99 /* NOTREACHED */ 100 } 101 102 if (!print_mask) { 103 print_mask = PRINT_SYSNAME; 104 } 105 106 if (uname(&u)) { 107 err(1, NULL); 108 /* NOTREACHED */ 109 } 110 111 if (print_mask & PRINT_SYSNAME) { 112 space++; 113 fputs(u.sysname, stdout); 114 } 115 if (print_mask & PRINT_NODENAME) { 116 if (space++) putchar(' '); 117 fputs(u.nodename, stdout); 118 } 119 if (print_mask & PRINT_RELEASE) { 120 if (space++) putchar(' '); 121 fputs(u.release, stdout); 122 } 123 if (print_mask & PRINT_VERSION) { 124 if (space++) putchar(' '); 125 fputs(u.version, stdout); 126 } 127 if (print_mask & PRINT_MACHINE) { 128 if (space++) putchar(' '); 129 fputs(u.machine, stdout); 130 } 131 if (print_mask & PRINT_PROCESSOR) { 132 char buf[1024]; 133 size_t len; 134 int mib[2]; 135 136 if (space++) putchar(' '); 137 mib[0] = CTL_HW; 138 mib[1] = HW_MODEL; 139 len = sizeof(buf); 140 if (sysctl(mib, 2, &buf, &len, NULL, 0) == -1) 141 err(1, "sysctl"); 142 printf("%.*s", (int)len, buf); 143 } 144 putchar('\n'); 145 146 exit(0); 147 /* NOTREACHED */ 148 } 149 150 static void 151 usage() 152 { 153 fprintf(stderr, "usage: uname [-amnprsv]\n"); 154 exit(1); 155 } 156