1 /* $OpenBSD: uname.c,v 1.10 2008/06/19 20:07:04 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 1.10 2008/06/19 20:07:04 deraadt Exp $"; 36 #endif /* not lint */ 37 38 #include <sys/param.h> 39 #include <stdio.h> 40 #include <stdlib.h> 41 #include <locale.h> 42 #include <unistd.h> 43 #include <sys/utsname.h> 44 #include <sys/sysctl.h> 45 #include <err.h> 46 47 static void usage(void); 48 49 #define PRINT_SYSNAME 0x01 50 #define PRINT_NODENAME 0x02 51 #define PRINT_RELEASE 0x04 52 #define PRINT_VERSION 0x08 53 #define PRINT_MACHINE 0x10 54 #define PRINT_ALL 0x1f 55 #define PRINT_PROCESSOR 0x20 56 57 int 58 main(int argc, char *argv[]) 59 { 60 struct utsname u; 61 int c; 62 int space = 0; 63 int print_mask = 0; 64 65 setlocale(LC_ALL, ""); 66 67 while ((c = getopt(argc, argv, "amnrsvp")) != -1 ) { 68 switch (c) { 69 case 'a': 70 print_mask |= PRINT_ALL; 71 break; 72 case 'm': 73 print_mask |= PRINT_MACHINE; 74 break; 75 case 'n': 76 print_mask |= PRINT_NODENAME; 77 break; 78 case 'r': 79 print_mask |= PRINT_RELEASE; 80 break; 81 case 's': 82 print_mask |= PRINT_SYSNAME; 83 break; 84 case 'v': 85 print_mask |= PRINT_VERSION; 86 break; 87 case 'p': 88 print_mask |= PRINT_PROCESSOR; 89 break; 90 default: 91 usage(); 92 /* NOTREACHED */ 93 } 94 } 95 96 if (optind != argc) { 97 usage(); 98 /* NOTREACHED */ 99 } 100 101 if (!print_mask) { 102 print_mask = PRINT_SYSNAME; 103 } 104 105 if (uname(&u)) { 106 err(1, NULL); 107 /* NOTREACHED */ 108 } 109 110 if (print_mask & PRINT_SYSNAME) { 111 space++; 112 fputs(u.sysname, stdout); 113 } 114 if (print_mask & PRINT_NODENAME) { 115 if (space++) putchar(' '); 116 fputs(u.nodename, stdout); 117 } 118 if (print_mask & PRINT_RELEASE) { 119 if (space++) putchar(' '); 120 fputs(u.release, stdout); 121 } 122 if (print_mask & PRINT_VERSION) { 123 if (space++) putchar(' '); 124 fputs(u.version, stdout); 125 } 126 if (print_mask & PRINT_MACHINE) { 127 if (space++) putchar(' '); 128 fputs(u.machine, stdout); 129 } 130 if (print_mask & PRINT_PROCESSOR) { 131 char buf[1024]; 132 size_t len; 133 int mib[2]; 134 135 if (space++) putchar(' '); 136 mib[0] = CTL_HW; 137 mib[1] = HW_MODEL; 138 len = sizeof(buf); 139 if (sysctl(mib, 2, buf, &len, NULL, 0) == -1) 140 err(1, "sysctl"); 141 printf("%.*s", (int)len, buf); 142 } 143 putchar('\n'); 144 145 exit(0); 146 /* NOTREACHED */ 147 } 148 149 static void 150 usage(void) 151 { 152 fprintf(stderr, "usage: uname [-amnprsv]\n"); 153 exit(1); 154 } 155