diff options
Diffstat (limited to 'usr.bin/uname')
| -rw-r--r-- | usr.bin/uname/Makefile | 5 | ||||
| -rw-r--r-- | usr.bin/uname/uname.1 | 106 | ||||
| -rw-r--r-- | usr.bin/uname/uname.c | 249 |
3 files changed, 360 insertions, 0 deletions
diff --git a/usr.bin/uname/Makefile b/usr.bin/uname/Makefile new file mode 100644 index 0000000..ae634ca --- /dev/null +++ b/usr.bin/uname/Makefile @@ -0,0 +1,5 @@ +# @(#)Makefile 8.1 (Berkeley) 6/6/93 + +PROG= uname + +.include <bsd.prog.mk> diff --git a/usr.bin/uname/uname.1 b/usr.bin/uname/uname.1 new file mode 100644 index 0000000..2a28464 --- /dev/null +++ b/usr.bin/uname/uname.1 @@ -0,0 +1,106 @@ +.\" Copyright (c) 1993 +.\" The Regents of the University of California. 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 the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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. +.\" +.\" @(#)uname.1 8.3 (Berkeley) 4/8/94 +.\" $FreeBSD$ +.\" +.Dd April 2, 2003 +.Dt UNAME 1 +.Os +.Sh NAME +.Nm uname +.Nd display information about the system +.Sh SYNOPSIS +.Nm +.Op Fl aimnprsv +.Sh DESCRIPTION +The +.Nm +command writes the name of the operating system implementation to +standard output. +When options are specified, strings representing one or more system +characteristics are written to standard output. +.Pp +The options are as follows: +.Bl -tag -width indent +.It Fl a +Behave as though the options +.Fl m , n , r , s , +and +.Fl v +were specified. +.It Fl i +Write the kernel ident to standard output. +.It Fl m +Write the type of the current hardware platform to standard output. +.It Fl n +Write the name of the system to standard output. +.It Fl p +Write the type of the machine processor architecture to standard output. +.It Fl r +Write the current release level of the operating system +to standard output. +.It Fl s +Write the name of the operating system implementation to standard output. +.It Fl v +Write the version level of this release of the operating system +to standard output. +.El +.Pp +If the +.Fl a +flag is specified, or multiple flags are specified, all +output is written on a single line, separated by spaces. +.Sh ENVIRONMENT +An environment variable composed of the string +.Ev UNAME_ +followed by any flag to the +.Nm +utility (except for +.Fl a ) +will allow the corresponding data to be set to the contents +of the environment variable. +.Sh EXIT STATUS +.Ex -std +.Sh SEE ALSO +.Xr sysctl 3 , +.Xr uname 3 , +.Xr sysctl 8 +.Sh STANDARDS +The +.Nm +command is expected to conform to the +.St -p1003.2 +specification. +.Sh HISTORY +The +.Nm +command appeared in PWB UNIX. diff --git a/usr.bin/uname/uname.c b/usr.bin/uname/uname.c new file mode 100644 index 0000000..81aef45 --- /dev/null +++ b/usr.bin/uname/uname.c @@ -0,0 +1,249 @@ +/*- + * Copyright (c) 2002 Juli Mallett. + * Copyright (c) 1993 + * The Regents of the University of California. 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 the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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. + */ + +#include <sys/cdefs.h> + +__FBSDID("$FreeBSD$"); + +#ifndef lint +static const char copyright[] = +"@(#) Copyright (c) 1993\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif + +#ifndef lint +static const char sccsid[] = "@(#)uname.c 8.2 (Berkeley) 5/4/95"; +#endif + +#include <sys/param.h> +#include <sys/sysctl.h> + +#include <err.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#define MFLAG 0x01 +#define NFLAG 0x02 +#define PFLAG 0x04 +#define RFLAG 0x08 +#define SFLAG 0x10 +#define VFLAG 0x20 +#define IFLAG 0x40 + +typedef void (*get_t)(void); +get_t get_ident, get_platform, get_hostname, get_arch, get_release, get_sysname, get_version; + +void native_ident(void); +void native_platform(void); +void native_hostname(void); +void native_arch(void); +void native_release(void); +void native_sysname(void); +void native_version(void); +void print_uname(u_int); +void setup_get(void); +void usage(void); + +char *ident, *platform, *hostname, *arch, *release, *sysname, *version; +int space; + +int +main(int argc, char *argv[]) +{ + u_int flags; + int ch; + + setup_get(); + flags = 0; + + while ((ch = getopt(argc, argv, "aimnprsv")) != -1) + switch(ch) { + case 'a': + flags |= (MFLAG | NFLAG | RFLAG | SFLAG | VFLAG); + break; + case 'i': + flags |= IFLAG; + break; + case 'm': + flags |= MFLAG; + break; + case 'n': + flags |= NFLAG; + break; + case 'p': + flags |= PFLAG; + break; + case 'r': + flags |= RFLAG; + break; + case 's': + flags |= SFLAG; + break; + case 'v': + flags |= VFLAG; + break; + case '?': + default: + usage(); + } + + argc -= optind; + argv += optind; + + if (argc) + usage(); + + if (!flags) + flags |= SFLAG; + + print_uname(flags); + exit(0); +} + +#define CHECK_ENV(opt,var) \ +do { \ + if ((var = getenv("UNAME_" opt)) == NULL) { \ + get_##var = native_##var; \ + } else { \ + get_##var = (get_t)NULL; \ + } \ +} while (0) + +void +setup_get(void) +{ + CHECK_ENV("s", sysname); + CHECK_ENV("n", hostname); + CHECK_ENV("r", release); + CHECK_ENV("v", version); + CHECK_ENV("m", platform); + CHECK_ENV("p", arch); + CHECK_ENV("i", ident); +} + +#define PRINT_FLAG(flags,flag,var) \ + if ((flags & flag) == flag) { \ + if (space) \ + printf(" "); \ + else \ + space++; \ + if (get_##var != NULL) \ + (*get_##var)(); \ + printf("%s", var); \ + } + +void +print_uname(u_int flags) +{ + PRINT_FLAG(flags, SFLAG, sysname); + PRINT_FLAG(flags, NFLAG, hostname); + PRINT_FLAG(flags, RFLAG, release); + PRINT_FLAG(flags, VFLAG, version); + PRINT_FLAG(flags, MFLAG, platform); + PRINT_FLAG(flags, PFLAG, arch); + PRINT_FLAG(flags, IFLAG, ident); + printf("\n"); +} + +#define NATIVE_SYSCTL2_GET(var,mib0,mib1) \ +void \ +native_##var(void) \ +{ \ + int mib[] = { (mib0), (mib1) }; \ + size_t len; \ + static char buf[1024]; \ + char **varp = &(var); \ + \ + len = sizeof buf; \ + if (sysctl(mib, sizeof mib / sizeof mib[0], \ + &buf, &len, NULL, 0) == -1) \ + err(1, "sysctl"); + +#define NATIVE_SYSCTLNAME_GET(var,name) \ +void \ +native_##var(void) \ +{ \ + size_t len; \ + static char buf[1024]; \ + char **varp = &(var); \ + \ + len = sizeof buf; \ + if (sysctlbyname(name, &buf, &len, NULL,\ + 0) == -1) \ + err(1, "sysctlbyname"); + +#define NATIVE_SET \ + *varp = buf; \ + return; \ +} struct __hack + +#define NATIVE_BUFFER (buf) +#define NATIVE_LENGTH (len) + +NATIVE_SYSCTL2_GET(sysname, CTL_KERN, KERN_OSTYPE) { +} NATIVE_SET; + +NATIVE_SYSCTL2_GET(hostname, CTL_KERN, KERN_HOSTNAME) { +} NATIVE_SET; + +NATIVE_SYSCTL2_GET(release, CTL_KERN, KERN_OSRELEASE) { +} NATIVE_SET; + +NATIVE_SYSCTL2_GET(version, CTL_KERN, KERN_VERSION) { + size_t n; + char *p; + + p = NATIVE_BUFFER; + n = NATIVE_LENGTH; + for (; n--; ++p) + if (*p == '\n' || *p == '\t') + *p = ' '; +} NATIVE_SET; + +NATIVE_SYSCTL2_GET(platform, CTL_HW, HW_MACHINE) { +} NATIVE_SET; + +NATIVE_SYSCTL2_GET(arch, CTL_HW, HW_MACHINE_ARCH) { +} NATIVE_SET; + +NATIVE_SYSCTLNAME_GET(ident, "kern.ident") { +} NATIVE_SET; + +void +usage(void) +{ + fprintf(stderr, "usage: uname [-aimnprsv]\n"); + exit(1); +} |
