/* $OpenBSD: uname.c,v 1.10 2008/06/19 20:07:04 deraadt Exp $ */ /* * Copyright (c) 1994 Winning Strategies, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Winning Strategies, Inc. * 4. The name of Winning Strategies, Inc. may not be used to endorse or * promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef lint static char rcsid[] = "$OpenBSD: uname.c,v 1.10 2008/06/19 20:07:04 deraadt Exp $"; #endif /* not lint */ #include <sys/param.h> #include <stdio.h> #include <stdlib.h> #include <locale.h> #include <unistd.h> #include <sys/utsname.h> #include <sys/sysctl.h> #include <err.h> static void usage(void); #define PRINT_SYSNAME 0x01 #define PRINT_NODENAME 0x02 #define PRINT_RELEASE 0x04 #define PRINT_VERSION 0x08 #define PRINT_MACHINE 0x10 #define PRINT_ALL 0x1f #define PRINT_PROCESSOR 0x20 int main(int argc, char *argv[]) { struct utsname u; int c; int space = 0; int print_mask = 0; setlocale(LC_ALL, ""); while ((c = getopt(argc, argv, "amnrsvp")) != -1 ) { switch (c) { case 'a': print_mask |= PRINT_ALL; break; case 'm': print_mask |= PRINT_MACHINE; break; case 'n': print_mask |= PRINT_NODENAME; break; case 'r': print_mask |= PRINT_RELEASE; break; case 's': print_mask |= PRINT_SYSNAME; break; case 'v': print_mask |= PRINT_VERSION; break; case 'p': print_mask |= PRINT_PROCESSOR; break; default: usage(); /* NOTREACHED */ } } if (optind != argc) { usage(); /* NOTREACHED */ } if (!print_mask) { print_mask = PRINT_SYSNAME; } if (uname(&u)) { err(1, NULL); /* NOTREACHED */ } if (print_mask & PRINT_SYSNAME) { space++; fputs(u.sysname, stdout); } if (print_mask & PRINT_NODENAME) { if (space++) putchar(' '); fputs(u.nodename, stdout); } if (print_mask & PRINT_RELEASE) { if (space++) putchar(' '); fputs(u.release, stdout); } if (print_mask & PRINT_VERSION) { if (space++) putchar(' '); fputs(u.version, stdout); } if (print_mask & PRINT_MACHINE) { if (space++) putchar(' '); fputs(u.machine, stdout); } if (print_mask & PRINT_PROCESSOR) { char buf[1024]; size_t len; int mib[2]; if (space++) putchar(' '); mib[0] = CTL_HW; mib[1] = HW_MODEL; len = sizeof(buf); if (sysctl(mib, 2, buf, &len, NULL, 0) == -1) err(1, "sysctl"); printf("%.*s", (int)len, buf); } putchar('\n'); exit(0); /* NOTREACHED */ } static void usage(void) { fprintf(stderr, "usage: uname [-amnprsv]\n"); exit(1); }