kern_mib.c revision 34925
1/*- 2 * Copyright (c) 1982, 1986, 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Mike Karels at Berkeley Software Design, Inc. 7 * 8 * Quite extensively rewritten by Poul-Henning Kamp of the FreeBSD 9 * project, to make these variables more userfriendly. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the University of 22 * California, Berkeley and its contributors. 23 * 4. Neither the name of the University nor the names of its contributors 24 * may be used to endorse or promote products derived from this software 25 * without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 * 39 * @(#)kern_sysctl.c 8.4 (Berkeley) 4/14/94 40 * $Id: kern_mib.c,v 1.14 1998/03/04 10:25:50 dufault Exp $ 41 */ 42 43#include <sys/param.h> 44#include <sys/kernel.h> 45#include <sys/systm.h> 46#include <sys/sysctl.h> 47#include <sys/proc.h> 48#include <sys/unistd.h> 49 50#include <machine/cpu.h> 51#if defined(SMP) 52#include <machine/smp.h> 53#endif 54 55SYSCTL_NODE(, 0, sysctl, CTLFLAG_RW, 0, 56 "Sysctl internal magic"); 57SYSCTL_NODE(, CTL_KERN, kern, CTLFLAG_RW, 0, 58 "High kernel, proc, limits &c"); 59SYSCTL_NODE(, CTL_VM, vm, CTLFLAG_RW, 0, 60 "Virtual memory"); 61SYSCTL_NODE(, CTL_VFS, vfs, CTLFLAG_RW, 0, 62 "File system"); 63SYSCTL_NODE(, CTL_NET, net, CTLFLAG_RW, 0, 64 "Network, (see socket.h)"); 65SYSCTL_NODE(, CTL_DEBUG, debug, CTLFLAG_RW, 0, 66 "Debugging"); 67SYSCTL_NODE(, CTL_HW, hw, CTLFLAG_RW, 0, 68 "hardware"); 69SYSCTL_NODE(, CTL_MACHDEP, machdep, CTLFLAG_RW, 0, 70 "machine dependent"); 71SYSCTL_NODE(, CTL_USER, user, CTLFLAG_RW, 0, 72 "user-level"); 73 74SYSCTL_NODE(, CTL_P1003_1B, p1003_1b, CTLFLAG_RW, 0, 75 "p1003_1b, (see p1003_1b.h)"); 76 77SYSCTL_STRING(_kern, KERN_OSRELEASE, osrelease, CTLFLAG_RD, osrelease, 0, ""); 78 79SYSCTL_INT(_kern, KERN_OSREV, osrevision, CTLFLAG_RD, 0, BSD, ""); 80 81SYSCTL_STRING(_kern, KERN_VERSION, version, CTLFLAG_RD, version, 0, ""); 82 83SYSCTL_STRING(_kern, KERN_OSTYPE, ostype, CTLFLAG_RD, ostype, 0, ""); 84 85extern int osreldate; 86SYSCTL_INT(_kern, KERN_OSRELDATE, osreldate, CTLFLAG_RD, &osreldate, 0, ""); 87 88SYSCTL_INT(_kern, KERN_MAXPROC, maxproc, CTLFLAG_RD, &maxproc, 0, ""); 89 90SYSCTL_INT(_kern, KERN_MAXPROCPERUID, maxprocperuid, 91 CTLFLAG_RW, &maxprocperuid, 0, ""); 92 93SYSCTL_INT(_kern, KERN_ARGMAX, argmax, CTLFLAG_RD, 0, ARG_MAX, ""); 94 95SYSCTL_INT(_kern, KERN_POSIX1, posix1version, CTLFLAG_RD, 0, _KPOSIX_VERSION, ""); 96 97SYSCTL_INT(_kern, KERN_NGROUPS, ngroups, CTLFLAG_RD, 0, NGROUPS_MAX, ""); 98 99SYSCTL_INT(_kern, KERN_JOB_CONTROL, job_control, CTLFLAG_RD, 0, 1, ""); 100 101#ifdef _POSIX_SAVED_IDS 102SYSCTL_INT(_kern, KERN_SAVED_IDS, saved_ids, CTLFLAG_RD, 0, 1, ""); 103#else 104SYSCTL_INT(_kern, KERN_SAVED_IDS, saved_ids, CTLFLAG_RD, 0, 0, ""); 105#endif 106 107char kernelname[MAXPATHLEN] = "/kernel"; /* XXX bloat */ 108 109SYSCTL_STRING(_kern, KERN_BOOTFILE, bootfile, 110 CTLFLAG_RW, kernelname, sizeof kernelname, ""); 111 112#ifdef SMP 113SYSCTL_INT(_hw, HW_NCPU, ncpu, CTLFLAG_RD, &mp_ncpus, 0, ""); 114#else 115SYSCTL_INT(_hw, HW_NCPU, ncpu, CTLFLAG_RD, 0, 1, ""); 116#endif 117 118SYSCTL_INT(_hw, HW_BYTEORDER, byteorder, CTLFLAG_RD, 0, BYTE_ORDER, ""); 119 120SYSCTL_INT(_hw, HW_PAGESIZE, pagesize, CTLFLAG_RD, 0, PAGE_SIZE, ""); 121 122static char machine_arch[] = MACHINE_ARCH; 123SYSCTL_STRING(_hw, HW_MACHINE_ARCH, machine_arch, CTLFLAG_RD, 124 machine_arch, 0, ""); 125 126char hostname[MAXHOSTNAMELEN]; 127 128SYSCTL_STRING(_kern, KERN_HOSTNAME, hostname, CTLFLAG_RW, 129 hostname, sizeof(hostname), ""); 130 131int securelevel = -1; 132 133static int 134sysctl_kern_securelvl SYSCTL_HANDLER_ARGS 135{ 136 int error, level; 137 138 level = securelevel; 139 error = sysctl_handle_int(oidp, &level, 0, req); 140 if (error || !req->newptr) 141 return (error); 142 if (level < securelevel) 143 return (EPERM); 144 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