1 /* $OpenBSD: uname.c,v 1.11 2009/10/27 23:59:46 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 #include <sys/param.h> 35 #include <stdio.h> 36 #include <stdlib.h> 37 #include <locale.h> 38 #include <unistd.h> 39 #include <sys/utsname.h> 40 #include <sys/sysctl.h> 41 #include <err.h> 42 43 static void usage(void); 44 45 #define PRINT_SYSNAME 0x01 46 #define PRINT_NODENAME 0x02 47 #define PRINT_RELEASE 0x04 48 #define PRINT_VERSION 0x08 49 #define PRINT_MACHINE 0x10 50 #define PRINT_ALL 0x1f 51 #define PRINT_PROCESSOR 0x20 52 53 int 54 main(int argc, char *argv[]) 55 { 56 struct utsname u; 57 int c; 58 int space = 0; 59 int print_mask = 0; 60 61 setlocale(LC_ALL, ""); 62 63 while ((c = getopt(argc, argv, "amnrsvp")) != -1 ) { 64 switch (c) { 65 case 'a': 66 print_mask |= PRINT_ALL; 67 break; 68 case 'm': 69 print_mask |= PRINT_MACHINE; 70 break; 71 case 'n': 72 print_mask |= PRINT_NODENAME; 73 break; 74 case 'r': 75 print_mask |= PRINT_RELEASE; 76 break; 77 case 's': 78 print_mask |= PRINT_SYSNAME; 79 break; 80 case 'v': 81 print_mask |= PRINT_VERSION; 82 break; 83 case 'p': 84 print_mask |= PRINT_PROCESSOR; 85 break; 86 default: 87 usage(); 88 /* NOTREACHED */ 89 } 90 } 91 92 if (optind != argc) { 93 usage(); 94 /* NOTREACHED */ 95 } 96 97 if (!print_mask) { 98 print_mask = PRINT_SYSNAME; 99 } 100 101 if (uname(&u)) { 102 err(1, NULL); 103 /* NOTREACHED */ 104 } 105 106 if (print_mask & PRINT_SYSNAME) { 107 space++; 108 fputs(u.sysname, stdout); 109 } 110 if (print_mask & PRINT_NODENAME) { 111 if (space++) putchar(' '); 112 fputs(u.nodename, stdout); 113 } 114 if (print_mask & PRINT_RELEASE) { 115 if (space++) putchar(' '); 116 fputs(u.release, stdout); 117 } 118 if (print_mask & PRINT_VERSION) { 119 if (space++) putchar(' '); 120 fputs(u.version, stdout); 121 } 122 if (print_mask & PRINT_MACHINE) { 123 if (space++) putchar(' '); 124 fputs(u.machine, stdout); 125 } 126 if (print_mask & PRINT_PROCESSOR) { 127 char buf[1024]; 128 size_t len; 129 int mib[2]; 130 131 if (space++) putchar(' '); 132 mib[0] = CTL_HW; 133 mib[1] = HW_MODEL; 134 len = sizeof(buf); 135 if (sysctl(mib, 2, buf, &len, NULL, 0) == -1) 136 err(1, "sysctl"); 137 printf("%.*s", (int)len, buf); 138 } 139 putchar('\n'); 140 141 exit(0); 142 /* NOTREACHED */ 143 } 144 145 static void 146 usage(void) 147 { 148 fprintf(stderr, "usage: uname [-amnprsv]\n"); 149 exit(1); 150 } 151