xref: /freebsd/lib/libc/gen/__xuname.c (revision 32e479705ac00771f4fffb87368e38c760129722)
158f0484fSRodney W. Grimes /*-
258f0484fSRodney W. Grimes  * Copyright (c) 1994
358f0484fSRodney W. Grimes  *	The Regents of the University of California.  All rights reserved.
458f0484fSRodney W. Grimes  *
558f0484fSRodney W. Grimes  * Redistribution and use in source and binary forms, with or without
658f0484fSRodney W. Grimes  * modification, are permitted provided that the following conditions
758f0484fSRodney W. Grimes  * are met:
858f0484fSRodney W. Grimes  * 1. Redistributions of source code must retain the above copyright
958f0484fSRodney W. Grimes  *    notice, this list of conditions and the following disclaimer.
1058f0484fSRodney W. Grimes  * 2. Redistributions in binary form must reproduce the above copyright
1158f0484fSRodney W. Grimes  *    notice, this list of conditions and the following disclaimer in the
1258f0484fSRodney W. Grimes  *    documentation and/or other materials provided with the distribution.
1358f0484fSRodney W. Grimes  * 3. All advertising materials mentioning features or use of this software
1458f0484fSRodney W. Grimes  *    must display the following acknowledgement:
1558f0484fSRodney W. Grimes  *	This product includes software developed by the University of
1658f0484fSRodney W. Grimes  *	California, Berkeley and its contributors.
1758f0484fSRodney W. Grimes  * 4. Neither the name of the University nor the names of its contributors
1858f0484fSRodney W. Grimes  *    may be used to endorse or promote products derived from this software
1958f0484fSRodney W. Grimes  *    without specific prior written permission.
2058f0484fSRodney W. Grimes  *
2158f0484fSRodney W. Grimes  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
2258f0484fSRodney W. Grimes  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2358f0484fSRodney W. Grimes  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2458f0484fSRodney W. Grimes  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
2558f0484fSRodney W. Grimes  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2658f0484fSRodney W. Grimes  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2758f0484fSRodney W. Grimes  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2858f0484fSRodney W. Grimes  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2958f0484fSRodney W. Grimes  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
3058f0484fSRodney W. Grimes  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
3158f0484fSRodney W. Grimes  * SUCH DAMAGE.
3258f0484fSRodney W. Grimes  */
3358f0484fSRodney W. Grimes 
3458f0484fSRodney W. Grimes #if defined(LIBC_SCCS) && !defined(lint)
35b938dc24SGarrett Wollman /*static char sccsid[] = "From: @(#)uname.c	8.1 (Berkeley) 1/4/94";*/
36b938dc24SGarrett Wollman static const char rcsid[] =
377f3dea24SPeter Wemm   "$FreeBSD$";
3858f0484fSRodney W. Grimes #endif /* LIBC_SCCS and not lint */
3958f0484fSRodney W. Grimes 
4058f0484fSRodney W. Grimes #include <sys/param.h>
4158f0484fSRodney W. Grimes #include <sys/sysctl.h>
4258f0484fSRodney W. Grimes #include <sys/utsname.h>
43b938dc24SGarrett Wollman #include <errno.h>
4458f0484fSRodney W. Grimes 
4558f0484fSRodney W. Grimes int
4632e47970SPeter Wemm __xuname(int namesize, void *namebuf)
4758f0484fSRodney W. Grimes {
4858f0484fSRodney W. Grimes 	int mib[2], rval;
4958f0484fSRodney W. Grimes 	size_t len;
5058f0484fSRodney W. Grimes 	char *p;
51b938dc24SGarrett Wollman 	int oerrno;
5232e47970SPeter Wemm 	struct xutsname {
5332e47970SPeter Wemm 		char	sysname[namesize];	/* Name of this OS. */
5432e47970SPeter Wemm 		char	nodename[namesize];	/* Name of this network node. */
5532e47970SPeter Wemm 		char	release[namesize];	/* Release level. */
5632e47970SPeter Wemm 		char	version[namesize];	/* Version level. */
5732e47970SPeter Wemm 		char	machine[namesize];	/* Hardware type. */
5832e47970SPeter Wemm 	} *name;
5958f0484fSRodney W. Grimes 
6032e47970SPeter Wemm 	name = (struct xutsname *)namebuf;
6158f0484fSRodney W. Grimes 	rval = 0;
6258f0484fSRodney W. Grimes 
6358f0484fSRodney W. Grimes 	mib[0] = CTL_KERN;
6458f0484fSRodney W. Grimes 	mib[1] = KERN_OSTYPE;
6558f0484fSRodney W. Grimes 	len = sizeof(name->sysname);
66b938dc24SGarrett Wollman 	oerrno = errno;
67b938dc24SGarrett Wollman 	if (sysctl(mib, 2, &name->sysname, &len, NULL, 0) == -1) {
68b938dc24SGarrett Wollman 		if(errno == ENOMEM)
69b938dc24SGarrett Wollman 			errno = oerrno;
70b938dc24SGarrett Wollman 		else
7158f0484fSRodney W. Grimes 			rval = -1;
72b938dc24SGarrett Wollman 	}
73a9680d71SMike Pritchard 	name->sysname[sizeof(name->sysname) - 1] = '\0';
7458f0484fSRodney W. Grimes 
7558f0484fSRodney W. Grimes 	mib[0] = CTL_KERN;
7658f0484fSRodney W. Grimes 	mib[1] = KERN_HOSTNAME;
7758f0484fSRodney W. Grimes 	len = sizeof(name->nodename);
78b938dc24SGarrett Wollman 	oerrno = errno;
79b938dc24SGarrett Wollman 	if (sysctl(mib, 2, &name->nodename, &len, NULL, 0) == -1) {
80b938dc24SGarrett Wollman 		if(errno == ENOMEM)
81b938dc24SGarrett Wollman 			errno = oerrno;
82b938dc24SGarrett Wollman 		else
8358f0484fSRodney W. Grimes 			rval = -1;
84b938dc24SGarrett Wollman 	}
85a9680d71SMike Pritchard 	name->nodename[sizeof(name->nodename) - 1] = '\0';
8658f0484fSRodney W. Grimes 
8758f0484fSRodney W. Grimes 	mib[0] = CTL_KERN;
8858f0484fSRodney W. Grimes 	mib[1] = KERN_OSRELEASE;
8958f0484fSRodney W. Grimes 	len = sizeof(name->release);
90b938dc24SGarrett Wollman 	oerrno = errno;
91b938dc24SGarrett Wollman 	if (sysctl(mib, 2, &name->release, &len, NULL, 0) == -1) {
92b938dc24SGarrett Wollman 		if(errno == ENOMEM)
93b938dc24SGarrett Wollman 			errno = oerrno;
94b938dc24SGarrett Wollman 		else
9558f0484fSRodney W. Grimes 			rval = -1;
96b938dc24SGarrett Wollman 	}
97a9680d71SMike Pritchard 	name->release[sizeof(name->release) - 1] = '\0';
9858f0484fSRodney W. Grimes 
9958f0484fSRodney W. Grimes 	/* The version may have newlines in it, turn them into spaces. */
10058f0484fSRodney W. Grimes 	mib[0] = CTL_KERN;
10158f0484fSRodney W. Grimes 	mib[1] = KERN_VERSION;
10258f0484fSRodney W. Grimes 	len = sizeof(name->version);
103b938dc24SGarrett Wollman 	oerrno = errno;
104b938dc24SGarrett Wollman 	if (sysctl(mib, 2, &name->version, &len, NULL, 0) == -1) {
105b938dc24SGarrett Wollman 		if (errno == ENOMEM)
106b938dc24SGarrett Wollman 			errno = oerrno;
10758f0484fSRodney W. Grimes 		else
108b938dc24SGarrett Wollman 			rval = -1;
109a9680d71SMike Pritchard 	}
110a9680d71SMike Pritchard 	name->version[sizeof(name->version) - 1] = '\0';
111b938dc24SGarrett Wollman 	for (p = name->version; len--; ++p) {
112b938dc24SGarrett Wollman 		if (*p == '\n' || *p == '\t') {
11358f0484fSRodney W. Grimes 			if (len > 1)
11458f0484fSRodney W. Grimes 				*p = ' ';
11558f0484fSRodney W. Grimes 			else
11658f0484fSRodney W. Grimes 				*p = '\0';
117b938dc24SGarrett Wollman 		}
118b938dc24SGarrett Wollman 	}
11958f0484fSRodney W. Grimes 
12058f0484fSRodney W. Grimes 	mib[0] = CTL_HW;
12158f0484fSRodney W. Grimes 	mib[1] = HW_MACHINE;
12258f0484fSRodney W. Grimes 	len = sizeof(name->machine);
123b938dc24SGarrett Wollman 	oerrno = errno;
124b938dc24SGarrett Wollman 	if (sysctl(mib, 2, &name->machine, &len, NULL, 0) == -1) {
125b938dc24SGarrett Wollman 		if (errno == ENOMEM)
126b938dc24SGarrett Wollman 			errno = oerrno;
127b938dc24SGarrett Wollman 		else
12858f0484fSRodney W. Grimes 			rval = -1;
129b938dc24SGarrett Wollman 	}
130a9680d71SMike Pritchard 	name->machine[sizeof(name->machine) - 1] = '\0';
13158f0484fSRodney W. Grimes 	return (rval);
13258f0484fSRodney W. Grimes }
133