kern_mib.c revision 34925
190792Sgshapiro/*- 290792Sgshapiro * Copyright (c) 1982, 1986, 1989, 1993 390792Sgshapiro * The Regents of the University of California. All rights reserved. 490792Sgshapiro * 590792Sgshapiro * This code is derived from software contributed to Berkeley by 690792Sgshapiro * Mike Karels at Berkeley Software Design, Inc. 790792Sgshapiro * 890792Sgshapiro * Quite extensively rewritten by Poul-Henning Kamp of the FreeBSD 990792Sgshapiro * project, to make these variables more userfriendly. 1090792Sgshapiro * 1190792Sgshapiro * Redistribution and use in source and binary forms, with or without 1290792Sgshapiro * modification, are permitted provided that the following conditions 1390792Sgshapiro * are met: 1490792Sgshapiro * 1. Redistributions of source code must retain the above copyright 1590792Sgshapiro * notice, this list of conditions and the following disclaimer. 1690792Sgshapiro * 2. Redistributions in binary form must reproduce the above copyright 1790792Sgshapiro * notice, this list of conditions and the following disclaimer in the 1890792Sgshapiro * documentation and/or other materials provided with the distribution. 1990792Sgshapiro * 3. All advertising materials mentioning features or use of this software 2090792Sgshapiro * must display the following acknowledgement: 2190792Sgshapiro * This product includes software developed by the University of 2290792Sgshapiro * California, Berkeley and its contributors. 2390792Sgshapiro * 4. Neither the name of the University nor the names of its contributors 2490792Sgshapiro * may be used to endorse or promote products derived from this software 2590792Sgshapiro * without specific prior written permission. 2690792Sgshapiro * 2790792Sgshapiro * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2890792Sgshapiro * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2990792Sgshapiro * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 3090792Sgshapiro * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 3190792Sgshapiro * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 3290792Sgshapiro * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 3390792Sgshapiro * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 3490792Sgshapiro * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3590792Sgshapiro * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3690792Sgshapiro * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3790792Sgshapiro * SUCH DAMAGE. 3890792Sgshapiro * 3990792Sgshapiro * @(#)kern_sysctl.c 8.4 (Berkeley) 4/14/94 4090792Sgshapiro * $Id: kern_mib.c,v 1.14 1998/03/04 10:25:50 dufault Exp $ 4190792Sgshapiro */ 4290792Sgshapiro 4390792Sgshapiro#include <sys/param.h> 4490792Sgshapiro#include <sys/kernel.h> 4590792Sgshapiro#include <sys/systm.h> 4690792Sgshapiro#include <sys/sysctl.h> 4790792Sgshapiro#include <sys/proc.h> 4890792Sgshapiro#include <sys/unistd.h> 4990792Sgshapiro 5090792Sgshapiro#include <machine/cpu.h> 5190792Sgshapiro#if defined(SMP) 5290792Sgshapiro#include <machine/smp.h> 5390792Sgshapiro#endif 5490792Sgshapiro 5590792SgshapiroSYSCTL_NODE(, 0, sysctl, CTLFLAG_RW, 0, 5690792Sgshapiro "Sysctl internal magic"); 5790792SgshapiroSYSCTL_NODE(, CTL_KERN, kern, CTLFLAG_RW, 0, 5890792Sgshapiro "High kernel, proc, limits &c"); 5990792SgshapiroSYSCTL_NODE(, CTL_VM, vm, CTLFLAG_RW, 0, 6090792Sgshapiro "Virtual memory"); 6190792SgshapiroSYSCTL_NODE(, CTL_VFS, vfs, CTLFLAG_RW, 0, 6290792Sgshapiro "File system"); 6390792SgshapiroSYSCTL_NODE(, CTL_NET, net, CTLFLAG_RW, 0, 6490792Sgshapiro "Network, (see socket.h)"); 6590792SgshapiroSYSCTL_NODE(, CTL_DEBUG, debug, CTLFLAG_RW, 0, 6690792Sgshapiro "Debugging"); 6790792SgshapiroSYSCTL_NODE(, CTL_HW, hw, CTLFLAG_RW, 0, 6890792Sgshapiro "hardware"); 6990792SgshapiroSYSCTL_NODE(, CTL_MACHDEP, machdep, CTLFLAG_RW, 0, 7090792Sgshapiro "machine dependent"); 7190792SgshapiroSYSCTL_NODE(, CTL_USER, user, CTLFLAG_RW, 0, 7290792Sgshapiro "user-level"); 7390792Sgshapiro 7490792SgshapiroSYSCTL_NODE(, CTL_P1003_1B, p1003_1b, CTLFLAG_RW, 0, 7590792Sgshapiro "p1003_1b, (see p1003_1b.h)"); 7690792Sgshapiro 7790792SgshapiroSYSCTL_STRING(_kern, KERN_OSRELEASE, osrelease, CTLFLAG_RD, osrelease, 0, ""); 7890792Sgshapiro 7990792SgshapiroSYSCTL_INT(_kern, KERN_OSREV, osrevision, CTLFLAG_RD, 0, BSD, ""); 8090792Sgshapiro 8190792SgshapiroSYSCTL_STRING(_kern, KERN_VERSION, version, CTLFLAG_RD, version, 0, ""); 8290792Sgshapiro 8390792SgshapiroSYSCTL_STRING(_kern, KERN_OSTYPE, ostype, CTLFLAG_RD, ostype, 0, ""); 8490792Sgshapiro 8590792Sgshapiroextern int osreldate; 8690792SgshapiroSYSCTL_INT(_kern, KERN_OSRELDATE, osreldate, CTLFLAG_RD, &osreldate, 0, ""); 8790792Sgshapiro 8890792SgshapiroSYSCTL_INT(_kern, KERN_MAXPROC, maxproc, CTLFLAG_RD, &maxproc, 0, ""); 8990792Sgshapiro 9090792SgshapiroSYSCTL_INT(_kern, KERN_MAXPROCPERUID, maxprocperuid, 9190792Sgshapiro CTLFLAG_RW, &maxprocperuid, 0, ""); 9290792Sgshapiro 9390792SgshapiroSYSCTL_INT(_kern, KERN_ARGMAX, argmax, CTLFLAG_RD, 0, ARG_MAX, ""); 9490792Sgshapiro 9590792SgshapiroSYSCTL_INT(_kern, KERN_POSIX1, posix1version, CTLFLAG_RD, 0, _KPOSIX_VERSION, ""); 9690792Sgshapiro 9790792SgshapiroSYSCTL_INT(_kern, KERN_NGROUPS, ngroups, CTLFLAG_RD, 0, NGROUPS_MAX, ""); 9890792Sgshapiro 9990792SgshapiroSYSCTL_INT(_kern, KERN_JOB_CONTROL, job_control, CTLFLAG_RD, 0, 1, ""); 10090792Sgshapiro 10190792Sgshapiro#ifdef _POSIX_SAVED_IDS 10290792SgshapiroSYSCTL_INT(_kern, KERN_SAVED_IDS, saved_ids, CTLFLAG_RD, 0, 1, ""); 10390792Sgshapiro#else 10490792SgshapiroSYSCTL_INT(_kern, KERN_SAVED_IDS, saved_ids, CTLFLAG_RD, 0, 0, ""); 10590792Sgshapiro#endif 10690792Sgshapiro 10790792Sgshapirochar kernelname[MAXPATHLEN] = "/kernel"; /* XXX bloat */ 10890792Sgshapiro 10990792SgshapiroSYSCTL_STRING(_kern, KERN_BOOTFILE, bootfile, 11090792Sgshapiro CTLFLAG_RW, kernelname, sizeof kernelname, ""); 11190792Sgshapiro 11290792Sgshapiro#ifdef SMP 11390792SgshapiroSYSCTL_INT(_hw, HW_NCPU, ncpu, CTLFLAG_RD, &mp_ncpus, 0, ""); 11490792Sgshapiro#else 11590792SgshapiroSYSCTL_INT(_hw, HW_NCPU, ncpu, CTLFLAG_RD, 0, 1, ""); 11690792Sgshapiro#endif 11790792Sgshapiro 11890792SgshapiroSYSCTL_INT(_hw, HW_BYTEORDER, byteorder, CTLFLAG_RD, 0, BYTE_ORDER, ""); 11990792Sgshapiro 12090792SgshapiroSYSCTL_INT(_hw, HW_PAGESIZE, pagesize, CTLFLAG_RD, 0, PAGE_SIZE, ""); 12190792Sgshapiro 12290792Sgshapirostatic char machine_arch[] = MACHINE_ARCH; 12390792SgshapiroSYSCTL_STRING(_hw, HW_MACHINE_ARCH, machine_arch, CTLFLAG_RD, 12490792Sgshapiro machine_arch, 0, ""); 12590792Sgshapiro 12690792Sgshapirochar hostname[MAXHOSTNAMELEN]; 12790792Sgshapiro 12890792SgshapiroSYSCTL_STRING(_kern, KERN_HOSTNAME, hostname, CTLFLAG_RW, 12990792Sgshapiro hostname, sizeof(hostname), ""); 13090792Sgshapiro 13190792Sgshapiroint securelevel = -1; 13290792Sgshapiro 13390792Sgshapirostatic int 13490792Sgshapirosysctl_kern_securelvl SYSCTL_HANDLER_ARGS 13590792Sgshapiro{ 13690792Sgshapiro int error, level; 137112810Sgshapiro 13890792Sgshapiro level = securelevel; 13990792Sgshapiro error = sysctl_handle_int(oidp, &level, 0, req); 14090792Sgshapiro if (error || !req->newptr) 141112810Sgshapiro return (error); 14290792Sgshapiro if (level < securelevel) 14390792Sgshapiro return (EPERM); 14490792Sgshapiro securelevel = level; 145 return (error); 146} 147 148SYSCTL_PROC(_kern, KERN_SECURELVL, securelevel, CTLTYPE_INT|CTLFLAG_RW, 149 0, 0, sysctl_kern_securelvl, "I", ""); 150 151char domainname[MAXHOSTNAMELEN]; 152SYSCTL_STRING(_kern, KERN_NISDOMAINNAME, domainname, CTLFLAG_RW, 153 &domainname, sizeof(domainname), ""); 154 155long hostid; 156/* Some trouble here, if sizeof (int) != sizeof (long) */ 157SYSCTL_INT(_kern, KERN_HOSTID, hostid, CTLFLAG_RW, &hostid, 0, ""); 158 159/* 160 * This is really cheating. These actually live in the libc, something 161 * which I'm not quite sure is a good idea anyway, but in order for 162 * getnext and friends to actually work, we define dummies here. 163 */ 164SYSCTL_STRING(_user, USER_CS_PATH, cs_path, CTLFLAG_RD, "", 0, ""); 165SYSCTL_INT(_user, USER_BC_BASE_MAX, bc_base_max, CTLFLAG_RD, 0, 0, ""); 166SYSCTL_INT(_user, USER_BC_DIM_MAX, bc_dim_max, CTLFLAG_RD, 0, 0, ""); 167SYSCTL_INT(_user, USER_BC_SCALE_MAX, bc_scale_max, CTLFLAG_RD, 0, 0, ""); 168SYSCTL_INT(_user, USER_BC_STRING_MAX, bc_string_max, CTLFLAG_RD, 0, 0, ""); 169SYSCTL_INT(_user, USER_COLL_WEIGHTS_MAX, coll_weights_max, CTLFLAG_RD, 0, 0, ""); 170SYSCTL_INT(_user, USER_EXPR_NEST_MAX, expr_nest_max, CTLFLAG_RD, 0, 0, ""); 171SYSCTL_INT(_user, USER_LINE_MAX, line_max, CTLFLAG_RD, 0, 0, ""); 172SYSCTL_INT(_user, USER_RE_DUP_MAX, re_dup_max, CTLFLAG_RD, 0, 0, ""); 173SYSCTL_INT(_user, USER_POSIX2_VERSION, posix2_version, CTLFLAG_RD, 0, 0, ""); 174SYSCTL_INT(_user, USER_POSIX2_C_BIND, posix2_c_bind, CTLFLAG_RD, 0, 0, ""); 175SYSCTL_INT(_user, USER_POSIX2_C_DEV, posix2_c_dev, CTLFLAG_RD, 0, 0, ""); 176SYSCTL_INT(_user, USER_POSIX2_CHAR_TERM, posix2_char_term, CTLFLAG_RD, 0, 0, ""); 177SYSCTL_INT(_user, USER_POSIX2_FORT_DEV, posix2_fort_dev, CTLFLAG_RD, 0, 0, ""); 178SYSCTL_INT(_user, USER_POSIX2_FORT_RUN, posix2_fort_run, CTLFLAG_RD, 0, 0, ""); 179SYSCTL_INT(_user, USER_POSIX2_LOCALEDEF, posix2_localedef, CTLFLAG_RD, 0, 0, ""); 180SYSCTL_INT(_user, USER_POSIX2_SW_DEV, posix2_sw_dev, CTLFLAG_RD, 0, 0, ""); 181SYSCTL_INT(_user, USER_POSIX2_UPE, posix2_upe, CTLFLAG_RD, 0, 0, ""); 182SYSCTL_INT(_user, USER_STREAM_MAX, stream_max, CTLFLAG_RD, 0, 0, ""); 183SYSCTL_INT(_user, USER_TZNAME_MAX, tzname_max, CTLFLAG_RD, 0, 0, ""); 184