1 /*- 2 * Copyright (c) 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 36 __FBSDID("$FreeBSD$"); 37 38 #ifndef lint 39 static const char copyright[] = 40 "@(#) Copyright (c) 1993\n\ 41 The Regents of the University of California. All rights reserved.\n"; 42 #endif 43 44 #ifndef lint 45 static const char sccsid[] = "@(#)uname.c 8.2 (Berkeley) 5/4/95"; 46 #endif 47 48 #include <sys/param.h> 49 #include <sys/sysctl.h> 50 51 #include <err.h> 52 #include <stdio.h> 53 #include <stdlib.h> 54 #include <unistd.h> 55 56 void usage(void); 57 58 int 59 main(argc, argv) 60 int argc; 61 char *argv[]; 62 { 63 #define MFLAG 0x01 64 #define NFLAG 0x02 65 #define PFLAG 0x04 66 #define RFLAG 0x08 67 #define SFLAG 0x10 68 #define VFLAG 0x20 69 u_int flags; 70 int ch, mib[2]; 71 size_t len, tlen; 72 char *p, buf[1024]; 73 const char *prefix; 74 75 flags = 0; 76 while ((ch = getopt(argc, argv, "amnprsv")) != -1) 77 switch(ch) { 78 case 'a': 79 flags |= (MFLAG | NFLAG | RFLAG | SFLAG | VFLAG); 80 break; 81 case 'm': 82 flags |= MFLAG; 83 break; 84 case 'n': 85 flags |= NFLAG; 86 break; 87 case 'p': 88 flags |= PFLAG; 89 break; 90 case 'r': 91 flags |= RFLAG; 92 break; 93 case 's': 94 flags |= SFLAG; 95 break; 96 case 'v': 97 flags |= VFLAG; 98 break; 99 case '?': 100 default: 101 usage(); 102 } 103 104 argc -= optind; 105 argv += optind; 106 107 if (argc) 108 usage(); 109 110 if (!flags) 111 flags |= SFLAG; 112 113 prefix = ""; 114 115 if (flags & SFLAG) { 116 mib[0] = CTL_KERN; 117 mib[1] = KERN_OSTYPE; 118 len = sizeof(buf); 119 if (sysctl(mib, 2, &buf, &len, NULL, 0) == -1) 120 err(1, "sysctl"); 121 (void)printf("%s%.*s", prefix, (int)len, buf); 122 prefix = " "; 123 } 124 if (flags & NFLAG) { 125 mib[0] = CTL_KERN; 126 mib[1] = KERN_HOSTNAME; 127 len = sizeof(buf); 128 if (sysctl(mib, 2, &buf, &len, NULL, 0) == -1) 129 err(1, "sysctl"); 130 (void)printf("%s%.*s", prefix, (int)len, buf); 131 prefix = " "; 132 } 133 if (flags & RFLAG) { 134 mib[0] = CTL_KERN; 135 mib[1] = KERN_OSRELEASE; 136 len = sizeof(buf); 137 if (sysctl(mib, 2, &buf, &len, NULL, 0) == -1) 138 err(1, "sysctl"); 139 (void)printf("%s%.*s", prefix, (int)len, buf); 140 prefix = " "; 141 } 142 if (flags & VFLAG) { 143 mib[0] = CTL_KERN; 144 mib[1] = KERN_VERSION; 145 len = sizeof(buf); 146 if (sysctl(mib, 2, &buf, &len, NULL, 0) == -1) 147 err(1, "sysctl"); 148 for (p = buf, tlen = len; tlen--; ++p) 149 if (*p == '\n' || *p == '\t') 150 *p = ' '; 151 (void)printf("%s%.*s", prefix, (int)len, buf); 152 prefix = " "; 153 } 154 if (flags & MFLAG) { 155 mib[0] = CTL_HW; 156 mib[1] = HW_MACHINE; 157 len = sizeof(buf); 158 if (sysctl(mib, 2, &buf, &len, NULL, 0) == -1) 159 err(1, "sysctl"); 160 (void)printf("%s%.*s", prefix, (int)len, buf); 161 prefix = " "; 162 } 163 if (flags & PFLAG) { 164 mib[0] = CTL_HW; 165 mib[1] = HW_MACHINE_ARCH; 166 len = sizeof(buf); 167 if (sysctl(mib, 2, &buf, &len, NULL, 0) == -1) 168 err(1, "sysctl"); 169 (void)printf("%s%.*s", prefix, (int)len, buf); 170 prefix = " "; 171 } 172 (void)printf("\n"); 173 exit (0); 174 } 175 176 void 177 usage() 178 { 179 (void)fprintf(stderr, "usage: uname [-amnprsv]\n"); 180 exit(1); 181 } 182