1 /*- 2 * Copyright (c) 1994 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 #if defined(LIBC_SCCS) && !defined(lint) 35 /*static char sccsid[] = "From: @(#)uname.c 8.1 (Berkeley) 1/4/94";*/ 36 #endif /* LIBC_SCCS and not lint */ 37 #include <sys/cdefs.h> 38 __FBSDID("$FreeBSD$"); 39 40 #include <sys/param.h> 41 #include <sys/sysctl.h> 42 #include <sys/utsname.h> 43 #include <errno.h> 44 45 int 46 __xuname(int namesize, void *namebuf) 47 { 48 int mib[2], rval; 49 size_t len; 50 char *p; 51 int oerrno; 52 struct xutsname { 53 char sysname[namesize]; /* Name of this OS. */ 54 char nodename[namesize]; /* Name of this network node. */ 55 char release[namesize]; /* Release level. */ 56 char version[namesize]; /* Version level. */ 57 char machine[namesize]; /* Hardware type. */ 58 } *name; 59 60 name = (struct xutsname *)namebuf; 61 rval = 0; 62 63 mib[0] = CTL_KERN; 64 mib[1] = KERN_OSTYPE; 65 len = sizeof(name->sysname); 66 oerrno = errno; 67 if (sysctl(mib, 2, &name->sysname, &len, NULL, 0) == -1) { 68 if(errno == ENOMEM) 69 errno = oerrno; 70 else 71 rval = -1; 72 } 73 name->sysname[sizeof(name->sysname) - 1] = '\0'; 74 75 mib[0] = CTL_KERN; 76 mib[1] = KERN_HOSTNAME; 77 len = sizeof(name->nodename); 78 oerrno = errno; 79 if (sysctl(mib, 2, &name->nodename, &len, NULL, 0) == -1) { 80 if(errno == ENOMEM) 81 errno = oerrno; 82 else 83 rval = -1; 84 } 85 name->nodename[sizeof(name->nodename) - 1] = '\0'; 86 87 mib[0] = CTL_KERN; 88 mib[1] = KERN_OSRELEASE; 89 len = sizeof(name->release); 90 oerrno = errno; 91 if (sysctl(mib, 2, &name->release, &len, NULL, 0) == -1) { 92 if(errno == ENOMEM) 93 errno = oerrno; 94 else 95 rval = -1; 96 } 97 name->release[sizeof(name->release) - 1] = '\0'; 98 99 /* The version may have newlines in it, turn them into spaces. */ 100 mib[0] = CTL_KERN; 101 mib[1] = KERN_VERSION; 102 len = sizeof(name->version); 103 oerrno = errno; 104 if (sysctl(mib, 2, &name->version, &len, NULL, 0) == -1) { 105 if (errno == ENOMEM) 106 errno = oerrno; 107 else 108 rval = -1; 109 } 110 name->version[sizeof(name->version) - 1] = '\0'; 111 for (p = name->version; len--; ++p) { 112 if (*p == '\n' || *p == '\t') { 113 if (len > 1) 114 *p = ' '; 115 else 116 *p = '\0'; 117 } 118 } 119 120 mib[0] = CTL_HW; 121 mib[1] = HW_MACHINE; 122 len = sizeof(name->machine); 123 oerrno = errno; 124 if (sysctl(mib, 2, &name->machine, &len, NULL, 0) == -1) { 125 if (errno == ENOMEM) 126 errno = oerrno; 127 else 128 rval = -1; 129 } 130 name->machine[sizeof(name->machine) - 1] = '\0'; 131 return (rval); 132 } 133