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133 lines
4.0 KiB
C
133 lines
4.0 KiB
C
/*-
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* Copyright (c) 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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/*static char sccsid[] = "From: @(#)uname.c 8.1 (Berkeley) 1/4/94";*/
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#endif /* LIBC_SCCS and not lint */
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/sysctl.h>
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#include <sys/utsname.h>
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#include <errno.h>
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int
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__xuname(int namesize, void *namebuf)
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{
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int mib[2], rval;
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size_t len;
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char *p;
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int oerrno;
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struct xutsname {
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char sysname[namesize]; /* Name of this OS. */
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char nodename[namesize]; /* Name of this network node. */
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char release[namesize]; /* Release level. */
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char version[namesize]; /* Version level. */
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char machine[namesize]; /* Hardware type. */
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} *name;
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name = (struct xutsname *)namebuf;
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rval = 0;
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mib[0] = CTL_KERN;
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mib[1] = KERN_OSTYPE;
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len = sizeof(name->sysname);
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oerrno = errno;
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if (sysctl(mib, 2, &name->sysname, &len, NULL, 0) == -1) {
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if(errno == ENOMEM)
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errno = oerrno;
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else
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rval = -1;
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}
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name->sysname[sizeof(name->sysname) - 1] = '\0';
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mib[0] = CTL_KERN;
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mib[1] = KERN_HOSTNAME;
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len = sizeof(name->nodename);
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oerrno = errno;
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if (sysctl(mib, 2, &name->nodename, &len, NULL, 0) == -1) {
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if(errno == ENOMEM)
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errno = oerrno;
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else
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rval = -1;
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}
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name->nodename[sizeof(name->nodename) - 1] = '\0';
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mib[0] = CTL_KERN;
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mib[1] = KERN_OSRELEASE;
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len = sizeof(name->release);
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oerrno = errno;
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if (sysctl(mib, 2, &name->release, &len, NULL, 0) == -1) {
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if(errno == ENOMEM)
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errno = oerrno;
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else
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rval = -1;
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}
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name->release[sizeof(name->release) - 1] = '\0';
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/* The version may have newlines in it, turn them into spaces. */
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mib[0] = CTL_KERN;
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mib[1] = KERN_VERSION;
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len = sizeof(name->version);
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oerrno = errno;
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if (sysctl(mib, 2, &name->version, &len, NULL, 0) == -1) {
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if (errno == ENOMEM)
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errno = oerrno;
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else
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rval = -1;
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}
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name->version[sizeof(name->version) - 1] = '\0';
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for (p = name->version; len--; ++p) {
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if (*p == '\n' || *p == '\t') {
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if (len > 1)
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*p = ' ';
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else
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*p = '\0';
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}
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}
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mib[0] = CTL_HW;
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mib[1] = HW_MACHINE;
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len = sizeof(name->machine);
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oerrno = errno;
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if (sysctl(mib, 2, &name->machine, &len, NULL, 0) == -1) {
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if (errno == ENOMEM)
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errno = oerrno;
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else
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rval = -1;
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}
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name->machine[sizeof(name->machine) - 1] = '\0';
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return (rval);
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}
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