kern_mib.c revision 28885
115103Sphk/*- 215103Sphk * Copyright (c) 1982, 1986, 1989, 1993 315103Sphk * The Regents of the University of California. All rights reserved. 415103Sphk * 515103Sphk * This code is derived from software contributed to Berkeley by 615103Sphk * Mike Karels at Berkeley Software Design, Inc. 715103Sphk * 815103Sphk * Quite extensively rewritten by Poul-Henning Kamp of the FreeBSD 915103Sphk * project, to make these variables more userfriendly. 1015103Sphk * 1115103Sphk * Redistribution and use in source and binary forms, with or without 1215103Sphk * modification, are permitted provided that the following conditions 1315103Sphk * are met: 1415103Sphk * 1. Redistributions of source code must retain the above copyright 1515103Sphk * notice, this list of conditions and the following disclaimer. 1615103Sphk * 2. Redistributions in binary form must reproduce the above copyright 1715103Sphk * notice, this list of conditions and the following disclaimer in the 1815103Sphk * documentation and/or other materials provided with the distribution. 1915103Sphk * 3. All advertising materials mentioning features or use of this software 2015103Sphk * must display the following acknowledgement: 2115103Sphk * This product includes software developed by the University of 2215103Sphk * California, Berkeley and its contributors. 2315103Sphk * 4. Neither the name of the University nor the names of its contributors 2415103Sphk * may be used to endorse or promote products derived from this software 2515103Sphk * without specific prior written permission. 2615103Sphk * 2715103Sphk * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2815103Sphk * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2915103Sphk * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 3015103Sphk * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 3115103Sphk * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 3215103Sphk * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 3315103Sphk * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 3415103Sphk * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3515103Sphk * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3615103Sphk * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3715103Sphk * SUCH DAMAGE. 3815103Sphk * 3915103Sphk * @(#)kern_sysctl.c 8.4 (Berkeley) 4/14/94 4028885Skato * $Id: kern_mib.c,v 1.9 1997/06/25 07:31:47 joerg Exp $ 4115103Sphk */ 4215103Sphk 4315103Sphk#include <sys/param.h> 4415103Sphk#include <sys/kernel.h> 4515103Sphk#include <sys/systm.h> 4615103Sphk#include <sys/sysctl.h> 4715103Sphk#include <sys/proc.h> 4815103Sphk#include <sys/unistd.h> 4915103Sphk 5015103SphkSYSCTL_NODE(, 0, sysctl, CTLFLAG_RW, 0, 5115103Sphk "Sysctl internal magic"); 5215103SphkSYSCTL_NODE(, CTL_KERN, kern, CTLFLAG_RW, 0, 5315103Sphk "High kernel, proc, limits &c"); 5415103SphkSYSCTL_NODE(, CTL_VM, vm, CTLFLAG_RW, 0, 5515103Sphk "Virtual memory"); 5623382SbdeSYSCTL_NODE(, CTL_VFS, vfs, CTLFLAG_RW, 0, 5715103Sphk "File system"); 5815103SphkSYSCTL_NODE(, CTL_NET, net, CTLFLAG_RW, 0, 5915103Sphk "Network, (see socket.h)"); 6015103SphkSYSCTL_NODE(, CTL_DEBUG, debug, CTLFLAG_RW, 0, 6115103Sphk "Debugging"); 6215103SphkSYSCTL_NODE(, CTL_HW, hw, CTLFLAG_RW, 0, 6315103Sphk "hardware"); 6415103SphkSYSCTL_NODE(, CTL_MACHDEP, machdep, CTLFLAG_RW, 0, 6515103Sphk "machine dependent"); 6615103SphkSYSCTL_NODE(, CTL_USER, user, CTLFLAG_RW, 0, 6715103Sphk "user-level"); 6815103Sphk 6915103SphkSYSCTL_STRING(_kern, KERN_OSRELEASE, osrelease, CTLFLAG_RD, osrelease, 0, ""); 7015103Sphk 7115103SphkSYSCTL_INT(_kern, KERN_OSREV, osrevision, CTLFLAG_RD, 0, BSD, ""); 7215103Sphk 7315103SphkSYSCTL_STRING(_kern, KERN_VERSION, version, CTLFLAG_RD, version, 0, ""); 7415103Sphk 7515103SphkSYSCTL_STRING(_kern, KERN_OSTYPE, ostype, CTLFLAG_RD, ostype, 0, ""); 7615103Sphk 7715103Sphkextern int osreldate; 7815103SphkSYSCTL_INT(_kern, KERN_OSRELDATE, osreldate, CTLFLAG_RD, &osreldate, 0, ""); 7915103Sphk 8018539SbdeSYSCTL_INT(_kern, KERN_MAXPROC, maxproc, CTLFLAG_RW, &maxproc, 0, ""); 8115103Sphk 8215103SphkSYSCTL_INT(_kern, KERN_MAXPROCPERUID, maxprocperuid, 8318539Sbde CTLFLAG_RW, &maxprocperuid, 0, ""); 8415103Sphk 8515103SphkSYSCTL_INT(_kern, KERN_ARGMAX, argmax, CTLFLAG_RD, 0, ARG_MAX, ""); 8615103Sphk 8715103SphkSYSCTL_INT(_kern, KERN_POSIX1, posix1version, CTLFLAG_RD, 0, _POSIX_VERSION, ""); 8815103Sphk 8915103SphkSYSCTL_INT(_kern, KERN_NGROUPS, ngroups, CTLFLAG_RD, 0, NGROUPS_MAX, ""); 9015103Sphk 9115103SphkSYSCTL_INT(_kern, KERN_JOB_CONTROL, job_control, CTLFLAG_RD, 0, 1, ""); 9215103Sphk 9315103Sphk#ifdef _POSIX_SAVED_IDS 9415103SphkSYSCTL_INT(_kern, KERN_SAVED_IDS, saved_ids, CTLFLAG_RD, 0, 1, ""); 9515103Sphk#else 9615103SphkSYSCTL_INT(_kern, KERN_SAVED_IDS, saved_ids, CTLFLAG_RD, 0, 0, ""); 9715103Sphk#endif 9815103Sphk 9915103Sphkchar kernelname[MAXPATHLEN] = "/kernel"; /* XXX bloat */ 10015103Sphk 10115103SphkSYSCTL_STRING(_kern, KERN_BOOTFILE, bootfile, 10215103Sphk CTLFLAG_RW, kernelname, sizeof kernelname, ""); 10315103Sphk 10415103SphkSYSCTL_INT(_hw, HW_NCPU, ncpu, CTLFLAG_RD, 0, 1, ""); 10515103Sphk 10615103SphkSYSCTL_INT(_hw, HW_BYTEORDER, byteorder, CTLFLAG_RD, 0, BYTE_ORDER, ""); 10715103Sphk 10815103SphkSYSCTL_INT(_hw, HW_PAGESIZE, pagesize, CTLFLAG_RD, 0, PAGE_SIZE, ""); 10915103Sphk 11028885Skatostatic char machine_arch[] = MACHINE_ARCH; 11128885SkatoSYSCTL_STRING(_hw, HW_MACHINE_ARCH, machine_arch, CTLFLAG_RD, 11228885Skato machine_arch, 0, ""); 11328885Skato 11415103Sphkchar hostname[MAXHOSTNAMELEN]; 11515103Sphk 11615103SphkSYSCTL_STRING(_kern, KERN_HOSTNAME, hostname, CTLFLAG_RW, 11715103Sphk hostname, sizeof(hostname), ""); 11815103Sphk 11915103Sphkint securelevel = -1; 12015103Sphk 12115103Sphkstatic int 12215103Sphksysctl_kern_securelvl SYSCTL_HANDLER_ARGS 12315103Sphk{ 12415103Sphk int error, level; 12515103Sphk 12615103Sphk level = securelevel; 12715103Sphk error = sysctl_handle_int(oidp, &level, 0, req); 12815103Sphk if (error || !req->newptr) 12915103Sphk return (error); 13026923Sjoerg if (level < securelevel) 13115103Sphk return (EPERM); 13215103Sphk securelevel = level; 13315103Sphk return (error); 13415103Sphk} 13515103Sphk 13615103SphkSYSCTL_PROC(_kern, KERN_SECURELVL, securelevel, CTLTYPE_INT|CTLFLAG_RW, 13715103Sphk 0, 0, sysctl_kern_securelvl, "I", ""); 13815103Sphk 13915103Sphkchar domainname[MAXHOSTNAMELEN]; 14017281SwollmanSYSCTL_STRING(_kern, KERN_NISDOMAINNAME, domainname, CTLFLAG_RW, 14115103Sphk &domainname, sizeof(domainname), ""); 14215103Sphk 14315103Sphklong hostid; 14415103Sphk/* Some trouble here, if sizeof (int) != sizeof (long) */ 14515103SphkSYSCTL_INT(_kern, KERN_HOSTID, hostid, CTLFLAG_RW, &hostid, 0, ""); 14615103Sphk 14715103Sphk/* 14815103Sphk * This is really cheating. These actually live in the libc, something 14915103Sphk * which I'm not quite sure is a good idea anyway, but in order for 15015103Sphk * getnext and friends to actually work, we define dummies here. 15115103Sphk */ 15218540SbdeSYSCTL_STRING(_user, USER_CS_PATH, cs_path, CTLFLAG_RD, "", 0, ""); 15318540SbdeSYSCTL_INT(_user, USER_BC_BASE_MAX, bc_base_max, CTLFLAG_RD, 0, 0, ""); 15418540SbdeSYSCTL_INT(_user, USER_BC_DIM_MAX, bc_dim_max, CTLFLAG_RD, 0, 0, ""); 15518540SbdeSYSCTL_INT(_user, USER_BC_SCALE_MAX, bc_scale_max, CTLFLAG_RD, 0, 0, ""); 15618540SbdeSYSCTL_INT(_user, USER_BC_STRING_MAX, bc_string_max, CTLFLAG_RD, 0, 0, ""); 15718540SbdeSYSCTL_INT(_user, USER_COLL_WEIGHTS_MAX, coll_weights_max, CTLFLAG_RD, 0, 0, ""); 15818540SbdeSYSCTL_INT(_user, USER_EXPR_NEST_MAX, expr_nest_max, CTLFLAG_RD, 0, 0, ""); 15918540SbdeSYSCTL_INT(_user, USER_LINE_MAX, line_max, CTLFLAG_RD, 0, 0, ""); 16018540SbdeSYSCTL_INT(_user, USER_RE_DUP_MAX, re_dup_max, CTLFLAG_RD, 0, 0, ""); 16118540SbdeSYSCTL_INT(_user, USER_POSIX2_VERSION, posix2_version, CTLFLAG_RD, 0, 0, ""); 16218540SbdeSYSCTL_INT(_user, USER_POSIX2_C_BIND, posix2_c_bind, CTLFLAG_RD, 0, 0, ""); 16318540SbdeSYSCTL_INT(_user, USER_POSIX2_C_DEV, posix2_c_dev, CTLFLAG_RD, 0, 0, ""); 16418540SbdeSYSCTL_INT(_user, USER_POSIX2_CHAR_TERM, posix2_char_term, CTLFLAG_RD, 0, 0, ""); 16518540SbdeSYSCTL_INT(_user, USER_POSIX2_FORT_DEV, posix2_fort_dev, CTLFLAG_RD, 0, 0, ""); 16618540SbdeSYSCTL_INT(_user, USER_POSIX2_FORT_RUN, posix2_fort_run, CTLFLAG_RD, 0, 0, ""); 16718540SbdeSYSCTL_INT(_user, USER_POSIX2_LOCALEDEF, posix2_localedef, CTLFLAG_RD, 0, 0, ""); 16818540SbdeSYSCTL_INT(_user, USER_POSIX2_SW_DEV, posix2_sw_dev, CTLFLAG_RD, 0, 0, ""); 16918540SbdeSYSCTL_INT(_user, USER_POSIX2_UPE, posix2_upe, CTLFLAG_RD, 0, 0, ""); 17018540SbdeSYSCTL_INT(_user, USER_STREAM_MAX, stream_max, CTLFLAG_RD, 0, 0, ""); 17118540SbdeSYSCTL_INT(_user, USER_TZNAME_MAX, tzname_max, CTLFLAG_RD, 0, 0, ""); 172