1 /* $OpenBSD: uname.c,v 1.9 2013/04/05 12:59:54 kurt Exp $ */ 2 /*- 3 * Copyright (c) 1994 4 * The Regents of the University of California. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of the University nor the names of its contributors 15 * may be used to endorse or promote products derived from this software 16 * without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #include <sys/param.h> 32 #include <sys/sysctl.h> 33 #include <sys/utsname.h> 34 35 /* A slightly modified copy of this file exists in libexec/ld.so */ 36 37 int 38 uname(struct utsname *name) 39 { 40 int mib[2], rval; 41 size_t len; 42 43 rval = 0; 44 45 mib[0] = CTL_KERN; 46 mib[1] = KERN_OSTYPE; 47 len = sizeof(name->sysname); 48 if (sysctl(mib, 2, &name->sysname, &len, NULL, 0) == -1) 49 rval = -1; 50 51 mib[0] = CTL_KERN; 52 mib[1] = KERN_HOSTNAME; 53 len = sizeof(name->nodename); 54 if (sysctl(mib, 2, &name->nodename, &len, NULL, 0) == -1) 55 rval = -1; 56 57 mib[0] = CTL_KERN; 58 mib[1] = KERN_OSRELEASE; 59 len = sizeof(name->release); 60 if (sysctl(mib, 2, &name->release, &len, NULL, 0) == -1) 61 rval = -1; 62 63 mib[0] = CTL_KERN; 64 mib[1] = KERN_OSVERSION; 65 len = sizeof(name->version); 66 if (sysctl(mib, 2, &name->version, &len, NULL, 0) == -1) { 67 mib[0] = CTL_KERN; 68 mib[1] = KERN_VERSION; 69 len = sizeof(name->version); 70 if (sysctl(mib, 2, &name->version, &len, NULL, 0) == -1) 71 rval = -1; 72 } 73 74 mib[0] = CTL_HW; 75 mib[1] = HW_MACHINE; 76 len = sizeof(name->machine); 77 if (sysctl(mib, 2, &name->machine, &len, NULL, 0) == -1) 78 rval = -1; 79 return (rval); 80 } 81