usr/src/cmd/uname/uname.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright (c) 1988, 2010, Oracle and/or its affiliates. All rights reserved.
  23  */
  24
  25 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  26 /*        All Rights Reserved   */
  27
  28 /*
  29  * University Copyright- Copyright (c) 1982, 1986, 1988
  30  * The Regents of the University of California
  31  * All Rights Reserved
  32  *
  33  * University Acknowledgment- Portions of this document are derived from
  34  * software developed by the University of California, Berkeley, and its
  35  * contributors.
  36  */
  37
  38 #define __EXTENSIONS__
  39 #include <sys/types.h>
  40 #include <stdio.h>
  41 #include <stdio.h>
  42 #include <string.h>
  43 #include <locale.h>
  44 #include <unistd.h>
  45 #include <stdlib.h>
  46 #include <errno.h>
  47 #include <sys/fcntl.h>
  48 #include <sys/stat.h>
  49 #include <sys/utsname.h>
  50 #include <sys/systeminfo.h>
  51
  52 static void usage(void);
  53
  54 /* ARGSUSED */
  55 int
  56 main(int argc, char *argv[], char *envp[])
  57 {
  58         char *nodename;
  59         char *optstring = "asnrpvmiS:X";
  60         int sflg = 0, nflg = 0, rflg = 0, vflg = 0, mflg = 0;
  61         int pflg = 0, iflg = 0, Sflg = 0;
  62         int errflg = 0, optlet;
  63         int Xflg = 0;
  64         struct utsname  unstr, *un;
  65         char fmt_string[] = " %.*s";
  66         char *fs = &fmt_string[1];
  67         char procbuf[SYS_NMLN];
  68
  69         (void) umask(~(S_IRWXU|S_IRGRP|S_IROTH) & S_IAMB);
  70         un = &unstr;
  71         (void) uname(un);
  72
  73         (void) setlocale(LC_ALL, "");
  74 #if !defined(TEXT_DOMAIN)
  75 #define TEXT_DOMAIN "SYS_TEST"
  76 #endif
  77         (void) textdomain(TEXT_DOMAIN);
  78
  79         while ((optlet = getopt(argc, argv, optstring)) != EOF)
  80                 switch (optlet) {
  81                 case 'a':
  82                         sflg++; nflg++; rflg++; vflg++; mflg++;
  83                         pflg++;
  84                         iflg++;
  85                         break;
  86                 case 's':
  87                         sflg++;
  88                         break;
  89                 case 'n':
  90                         nflg++;
  91                         break;
  92                 case 'r':
  93                         rflg++;
  94                         break;
  95                 case 'v':
  96                         vflg++;
  97                         break;
  98                 case 'm':
  99                         mflg++;
 100                         break;
 101                 case 'p':
 102                         pflg++;
 103                         break;
 104                 case 'i':
 105                         iflg++;
 106                         break;
 107                 case 'S':
 108                         Sflg++;
 109                         nodename = optarg;
 110                         break;
 111                 case 'X':
 112                         Xflg++;
 113                         break;
 114
 115                 case '?':
 116                         errflg++;
 117                 }
 118
 119         if (errflg || (optind != argc))
 120                 usage();
 121
 122         if ((Sflg > 1) ||
 123             (Sflg && (sflg || nflg || rflg || vflg || mflg || pflg || iflg ||
 124             Xflg))) {
 125                 usage();
 126         }
 127
 128         /* If we're changing the system name */
 129         if (Sflg) {
 130                 int len = strlen(nodename);
 131
 132                 if (len > SYS_NMLN - 1) {
 133                         (void) fprintf(stderr, gettext(
 134                             "uname: name must be <= %d letters\n"),
 135                             SYS_NMLN-1);
 136                         exit(1);
 137                 }
 138                 if (sysinfo(SI_SET_HOSTNAME, nodename, len) < 0) {
 139                         int err = errno;
 140                         (void) fprintf(stderr, gettext(
 141                             "uname: error in setting name: %s\n"),
 142                             strerror(err));
 143                         exit(1);
 144                 }
 145                 return (0);
 146         }
 147
 148         /*
 149          * "uname -s" is the default
 150          */
 151         if (!(sflg || nflg || rflg || vflg || mflg || pflg || iflg || Xflg))
 152                 sflg++;
 153         if (sflg) {
 154                 (void) fprintf(stdout, fs, sizeof (un->sysname),
 155                     un->sysname);
 156                 fs = fmt_string;
 157         }
 158         if (nflg) {
 159                 (void) fprintf(stdout, fs, sizeof (un->nodename), un->nodename);
 160                 fs = fmt_string;
 161         }
 162         if (rflg) {
 163                 (void) fprintf(stdout, fs, sizeof (un->release), un->release);
 164                 fs = fmt_string;
 165         }
 166         if (vflg) {
 167                 (void) fprintf(stdout, fs, sizeof (un->version), un->version);
 168                 fs = fmt_string;
 169         }
 170         if (mflg) {
 171                 (void) fprintf(stdout, fs, sizeof (un->machine), un->machine);
 172                 fs = fmt_string;
 173         }
 174         if (pflg) {
 175                 if (sysinfo(SI_ARCHITECTURE, procbuf, sizeof (procbuf)) == -1) {
 176                         (void) fprintf(stderr, gettext(
 177                             "uname: sysinfo failed\n"));
 178                         exit(1);
 179                 }
 180                 (void) fprintf(stdout, fs, strlen(procbuf), procbuf);
 181                 fs = fmt_string;
 182         }
 183         if (iflg) {
 184                 if (sysinfo(SI_PLATFORM, procbuf, sizeof (procbuf)) == -1) {
 185                         (void) fprintf(stderr, gettext(
 186                             "uname: sysinfo failed\n"));
 187                         exit(1);
 188                 }
 189                 (void) fprintf(stdout, fs, strlen(procbuf), procbuf);
 190                 fs = fmt_string;
 191         }
 192         if (Xflg) {
 193                 int     val;
 194
 195                 (void) fprintf(stdout, "System = %.*s\n", sizeof (un->sysname),
 196                     un->sysname);
 197                 (void) fprintf(stdout, "Node = %.*s\n", sizeof (un->nodename),
 198                     un->nodename);
 199                 (void) fprintf(stdout, "Release = %.*s\n", sizeof (un->release),
 200                     un->release);
 201                 (void) fprintf(stdout, "KernelID = %.*s\n",
 202                     sizeof (un->version), un->version);
 203                 (void) fprintf(stdout, "Machine = %.*s\n", sizeof (un->machine),
 204                     un->machine);
 205
 206                 /* Not availible on Solaris so hardcode the output */
 207                 (void) fprintf(stdout, "BusType = <unknown>\n");
 208
 209                 /* Serialization is not supported in 2.6, so hard code output */
 210                 (void) fprintf(stdout, "Serial = <unknown>\n");
 211                 (void) fprintf(stdout, "Users = <unknown>\n");
 212                 (void) fprintf(stdout, "OEM# = 0\n");
 213                 (void) fprintf(stdout, "Origin# = 1\n");
 214
 215                 val = sysconf(_SC_NPROCESSORS_CONF);
 216                 (void) fprintf(stdout, "NumCPU = %d\n", val);
 217         }
 218         (void) putchar('\n');
 219         return (0);
 220 }
 221
 222 static void
 223 usage(void)
 224 {
 225         {
 226                 (void) fprintf(stderr, gettext(
 227                     "usage:     uname [-snrvmapiX]\n"
 228                     "   uname [-S system_name]\n"));
 229         }
 230         exit(1);
 231 }