11573Srgrimes/*- 21573Srgrimes * Copyright (c) 1994 31573Srgrimes * The Regents of the University of California. All rights reserved. 41573Srgrimes * 51573Srgrimes * Redistribution and use in source and binary forms, with or without 61573Srgrimes * modification, are permitted provided that the following conditions 71573Srgrimes * are met: 81573Srgrimes * 1. Redistributions of source code must retain the above copyright 91573Srgrimes * notice, this list of conditions and the following disclaimer. 101573Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111573Srgrimes * notice, this list of conditions and the following disclaimer in the 121573Srgrimes * documentation and/or other materials provided with the distribution. 131573Srgrimes * 4. Neither the name of the University nor the names of its contributors 141573Srgrimes * may be used to endorse or promote products derived from this software 151573Srgrimes * without specific prior written permission. 161573Srgrimes * 171573Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 181573Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 191573Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 201573Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 211573Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 221573Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 231573Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 241573Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 251573Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 261573Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 271573Srgrimes * SUCH DAMAGE. 281573Srgrimes */ 291573Srgrimes 301573Srgrimes#if defined(LIBC_SCCS) && !defined(lint) 313565Swollman/*static char sccsid[] = "From: @(#)uname.c 8.1 (Berkeley) 1/4/94";*/ 321573Srgrimes#endif /* LIBC_SCCS and not lint */ 3390039Sobrien#include <sys/cdefs.h> 3490039Sobrien__FBSDID("$FreeBSD$"); 351573Srgrimes 361573Srgrimes#include <sys/param.h> 371573Srgrimes#include <sys/sysctl.h> 381573Srgrimes#include <sys/utsname.h> 393565Swollman#include <errno.h> 40153009Sambrisko#include <stdlib.h> 41153009Sambrisko#include <string.h> 421573Srgrimes 431573Srgrimesint 4474729Speter__xuname(int namesize, void *namebuf) 451573Srgrimes{ 461573Srgrimes int mib[2], rval; 471573Srgrimes size_t len; 48184177Skib char *p, *q; 493565Swollman int oerrno; 501573Srgrimes 511573Srgrimes rval = 0; 52184177Skib q = (char *)namebuf; 531573Srgrimes 541573Srgrimes mib[0] = CTL_KERN; 55184177Skib 56184177Skib if ((p = getenv("UNAME_s"))) 57184177Skib strlcpy(q, p, namesize); 58184177Skib else { 59184177Skib mib[1] = KERN_OSTYPE; 60184177Skib len = namesize; 61184177Skib oerrno = errno; 62184177Skib if (sysctl(mib, 2, q, &len, NULL, 0) == -1) { 63184177Skib if (errno == ENOMEM) 64184177Skib errno = oerrno; 65184177Skib else 66184177Skib rval = -1; 67184177Skib } 68184177Skib q[namesize - 1] = '\0'; 693565Swollman } 70184177Skib q += namesize; 711573Srgrimes 721573Srgrimes mib[1] = KERN_HOSTNAME; 73184177Skib len = namesize; 743565Swollman oerrno = errno; 75184177Skib if (sysctl(mib, 2, q, &len, NULL, 0) == -1) { 76184177Skib if (errno == ENOMEM) 773565Swollman errno = oerrno; 783565Swollman else 793565Swollman rval = -1; 803565Swollman } 81184177Skib q[namesize - 1] = '\0'; 82184177Skib q += namesize; 831573Srgrimes 84153002Sambrisko if ((p = getenv("UNAME_r"))) 85184177Skib strlcpy(q, p, namesize); 86184177Skib else { 87184177Skib mib[1] = KERN_OSRELEASE; 88184177Skib len = namesize; 89184177Skib oerrno = errno; 90184177Skib if (sysctl(mib, 2, q, &len, NULL, 0) == -1) { 91184177Skib if (errno == ENOMEM) 92184177Skib errno = oerrno; 939817Smpp else 94184177Skib rval = -1; 953565Swollman } 96184177Skib q[namesize - 1] = '\0'; 973565Swollman } 98184177Skib q += namesize; 99184177Skib 100153002Sambrisko if ((p = getenv("UNAME_v"))) 101184177Skib strlcpy(q, p, namesize); 102184177Skib else { 1031573Srgrimes 104184177Skib /* 105184177Skib * The version may have newlines in it, turn them into 106184177Skib * spaces. 107184177Skib */ 108184177Skib mib[1] = KERN_VERSION; 109184177Skib len = namesize; 110184177Skib oerrno = errno; 111184177Skib if (sysctl(mib, 2, q, &len, NULL, 0) == -1) { 112184177Skib if (errno == ENOMEM) 113184177Skib errno = oerrno; 114184177Skib else 115184177Skib rval = -1; 116184177Skib } 117184177Skib q[namesize - 1] = '\0'; 118184177Skib for (p = q; len--; ++p) { 119184177Skib if (*p == '\n' || *p == '\t') { 120184177Skib if (len > 1) 121184177Skib *p = ' '; 122184177Skib else 123184177Skib *p = '\0'; 124184177Skib } 125184177Skib } 1263565Swollman } 127184177Skib q += namesize; 128184177Skib 129153002Sambrisko if ((p = getenv("UNAME_m"))) 130184177Skib strlcpy(q, p, namesize); 131184177Skib else { 132184177Skib mib[0] = CTL_HW; 133184177Skib mib[1] = HW_MACHINE; 134184177Skib len = namesize; 135184177Skib oerrno = errno; 136184185Skib if (sysctl(mib, 2, q, &len, NULL, 0) == -1) { 137184177Skib if (errno == ENOMEM) 138184177Skib errno = oerrno; 139184177Skib else 140184177Skib rval = -1; 141184177Skib } 142184177Skib q[namesize - 1] = '\0'; 143184177Skib } 144184177Skib 1451573Srgrimes return (rval); 1461573Srgrimes} 147