kern_mib.c revision 28918
1209878Snwhitehorn/*- 2209878Snwhitehorn * Copyright (c) 1982, 1986, 1989, 1993 3209878Snwhitehorn * The Regents of the University of California. All rights reserved. 4209878Snwhitehorn * 5209878Snwhitehorn * This code is derived from software contributed to Berkeley by 6209878Snwhitehorn * Mike Karels at Berkeley Software Design, Inc. 7209878Snwhitehorn * 8209878Snwhitehorn * Quite extensively rewritten by Poul-Henning Kamp of the FreeBSD 9209878Snwhitehorn * project, to make these variables more userfriendly. 10209878Snwhitehorn * 11209878Snwhitehorn * Redistribution and use in source and binary forms, with or without 12209878Snwhitehorn * modification, are permitted provided that the following conditions 13209878Snwhitehorn * are met: 14209878Snwhitehorn * 1. Redistributions of source code must retain the above copyright 15209878Snwhitehorn * notice, this list of conditions and the following disclaimer. 16209878Snwhitehorn * 2. Redistributions in binary form must reproduce the above copyright 17209878Snwhitehorn * notice, this list of conditions and the following disclaimer in the 18209878Snwhitehorn * documentation and/or other materials provided with the distribution. 19209878Snwhitehorn * 3. All advertising materials mentioning features or use of this software 20209878Snwhitehorn * must display the following acknowledgement: 21209878Snwhitehorn * This product includes software developed by the University of 22209878Snwhitehorn * California, Berkeley and its contributors. 23209878Snwhitehorn * 4. Neither the name of the University nor the names of its contributors 24209878Snwhitehorn * may be used to endorse or promote products derived from this software 25209878Snwhitehorn * without specific prior written permission. 26209878Snwhitehorn * 27209878Snwhitehorn * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28209878Snwhitehorn * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29209878Snwhitehorn * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30209878Snwhitehorn * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31209878Snwhitehorn * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32209878Snwhitehorn * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33209878Snwhitehorn * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34209878Snwhitehorn * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35209878Snwhitehorn * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36231044Sandreast * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37209878Snwhitehorn * SUCH DAMAGE. 38209878Snwhitehorn * 39258502Sandreast * @(#)kern_sysctl.c 8.4 (Berkeley) 4/14/94 40209878Snwhitehorn * $Id: kern_mib.c,v 1.10 1997/08/29 09:03:02 kato Exp $ 41209878Snwhitehorn */ 42231044Sandreast 43209878Snwhitehorn#include <sys/param.h> 44209878Snwhitehorn#include <sys/kernel.h> 45209878Snwhitehorn#include <sys/systm.h> 46209878Snwhitehorn#include <sys/sysctl.h> 47209878Snwhitehorn#include <sys/proc.h> 48218824Snwhitehorn#include <sys/unistd.h> 49209878Snwhitehorn 50209878Snwhitehorn#include <machine/cpu.h> 51209878Snwhitehorn 52209878SnwhitehornSYSCTL_NODE(, 0, sysctl, CTLFLAG_RW, 0, 53209878Snwhitehorn "Sysctl internal magic"); 54258502SandreastSYSCTL_NODE(, CTL_KERN, kern, CTLFLAG_RW, 0, 55258502Sandreast "High kernel, proc, limits &c"); 56258502SandreastSYSCTL_NODE(, CTL_VM, vm, CTLFLAG_RW, 0, 57258502Sandreast "Virtual memory"); 58209878SnwhitehornSYSCTL_NODE(, CTL_VFS, vfs, CTLFLAG_RW, 0, 59209878Snwhitehorn "File system"); 60231044SandreastSYSCTL_NODE(, CTL_NET, net, CTLFLAG_RW, 0, 61209878Snwhitehorn "Network, (see socket.h)"); 62209878SnwhitehornSYSCTL_NODE(, CTL_DEBUG, debug, CTLFLAG_RW, 0, 63258502Sandreast "Debugging"); 64258502SandreastSYSCTL_NODE(, CTL_HW, hw, CTLFLAG_RW, 0, 65231044Sandreast "hardware"); 66209878SnwhitehornSYSCTL_NODE(, CTL_MACHDEP, machdep, CTLFLAG_RW, 0, 67209878Snwhitehorn "machine dependent"); 68209878SnwhitehornSYSCTL_NODE(, CTL_USER, user, CTLFLAG_RW, 0, 69209878Snwhitehorn "user-level"); 70218824Snwhitehorn 71209878SnwhitehornSYSCTL_STRING(_kern, KERN_OSRELEASE, osrelease, CTLFLAG_RD, osrelease, 0, ""); 72209878Snwhitehorn 73209878SnwhitehornSYSCTL_INT(_kern, KERN_OSREV, osrevision, CTLFLAG_RD, 0, BSD, ""); 74209878Snwhitehorn 75209878SnwhitehornSYSCTL_STRING(_kern, KERN_VERSION, version, CTLFLAG_RD, version, 0, ""); 76209878Snwhitehorn 77231044SandreastSYSCTL_STRING(_kern, KERN_OSTYPE, ostype, CTLFLAG_RD, ostype, 0, ""); 78209878Snwhitehorn 79209878Snwhitehornextern int osreldate; 80258502SandreastSYSCTL_INT(_kern, KERN_OSRELDATE, osreldate, CTLFLAG_RD, &osreldate, 0, ""); 81258502Sandreast 82258502SandreastSYSCTL_INT(_kern, KERN_MAXPROC, maxproc, CTLFLAG_RW, &maxproc, 0, ""); 83231044Sandreast 84209878SnwhitehornSYSCTL_INT(_kern, KERN_MAXPROCPERUID, maxprocperuid, 85209878Snwhitehorn CTLFLAG_RW, &maxprocperuid, 0, ""); 86209878Snwhitehorn 87209878SnwhitehornSYSCTL_INT(_kern, KERN_ARGMAX, argmax, CTLFLAG_RD, 0, ARG_MAX, ""); 88209878Snwhitehorn 89218824SnwhitehornSYSCTL_INT(_kern, KERN_POSIX1, posix1version, CTLFLAG_RD, 0, _POSIX_VERSION, ""); 90209878Snwhitehorn 91209878SnwhitehornSYSCTL_INT(_kern, KERN_NGROUPS, ngroups, CTLFLAG_RD, 0, NGROUPS_MAX, ""); 92209878Snwhitehorn 93209878SnwhitehornSYSCTL_INT(_kern, KERN_JOB_CONTROL, job_control, CTLFLAG_RD, 0, 1, ""); 94209878Snwhitehorn 95#ifdef _POSIX_SAVED_IDS 96SYSCTL_INT(_kern, KERN_SAVED_IDS, saved_ids, CTLFLAG_RD, 0, 1, ""); 97#else 98SYSCTL_INT(_kern, KERN_SAVED_IDS, saved_ids, CTLFLAG_RD, 0, 0, ""); 99#endif 100 101char kernelname[MAXPATHLEN] = "/kernel"; /* XXX bloat */ 102 103SYSCTL_STRING(_kern, KERN_BOOTFILE, bootfile, 104 CTLFLAG_RW, kernelname, sizeof kernelname, ""); 105 106SYSCTL_INT(_hw, HW_NCPU, ncpu, CTLFLAG_RD, 0, 1, ""); 107 108SYSCTL_INT(_hw, HW_BYTEORDER, byteorder, CTLFLAG_RD, 0, BYTE_ORDER, ""); 109 110SYSCTL_INT(_hw, HW_PAGESIZE, pagesize, CTLFLAG_RD, 0, PAGE_SIZE, ""); 111 112static char machine_arch[] = MACHINE_ARCH; 113SYSCTL_STRING(_hw, HW_MACHINE_ARCH, machine_arch, CTLFLAG_RD, 114 machine_arch, 0, ""); 115 116char hostname[MAXHOSTNAMELEN]; 117 118SYSCTL_STRING(_kern, KERN_HOSTNAME, hostname, CTLFLAG_RW, 119 hostname, sizeof(hostname), ""); 120 121int securelevel = -1; 122 123static int 124sysctl_kern_securelvl SYSCTL_HANDLER_ARGS 125{ 126 int error, level; 127 128 level = securelevel; 129 error = sysctl_handle_int(oidp, &level, 0, req); 130 if (error || !req->newptr) 131 return (error); 132 if (level < securelevel) 133 return (EPERM); 134 securelevel = level; 135 return (error); 136} 137 138SYSCTL_PROC(_kern, KERN_SECURELVL, securelevel, CTLTYPE_INT|CTLFLAG_RW, 139 0, 0, sysctl_kern_securelvl, "I", ""); 140 141char domainname[MAXHOSTNAMELEN]; 142SYSCTL_STRING(_kern, KERN_NISDOMAINNAME, domainname, CTLFLAG_RW, 143 &domainname, sizeof(domainname), ""); 144 145long hostid; 146/* Some trouble here, if sizeof (int) != sizeof (long) */ 147SYSCTL_INT(_kern, KERN_HOSTID, hostid, CTLFLAG_RW, &hostid, 0, ""); 148 149/* 150 * This is really cheating. These actually live in the libc, something 151 * which I'm not quite sure is a good idea anyway, but in order for 152 * getnext and friends to actually work, we define dummies here. 153 */ 154SYSCTL_STRING(_user, USER_CS_PATH, cs_path, CTLFLAG_RD, "", 0, ""); 155SYSCTL_INT(_user, USER_BC_BASE_MAX, bc_base_max, CTLFLAG_RD, 0, 0, ""); 156SYSCTL_INT(_user, USER_BC_DIM_MAX, bc_dim_max, CTLFLAG_RD, 0, 0, ""); 157SYSCTL_INT(_user, USER_BC_SCALE_MAX, bc_scale_max, CTLFLAG_RD, 0, 0, ""); 158SYSCTL_INT(_user, USER_BC_STRING_MAX, bc_string_max, CTLFLAG_RD, 0, 0, ""); 159SYSCTL_INT(_user, USER_COLL_WEIGHTS_MAX, coll_weights_max, CTLFLAG_RD, 0, 0, ""); 160SYSCTL_INT(_user, USER_EXPR_NEST_MAX, expr_nest_max, CTLFLAG_RD, 0, 0, ""); 161SYSCTL_INT(_user, USER_LINE_MAX, line_max, CTLFLAG_RD, 0, 0, ""); 162SYSCTL_INT(_user, USER_RE_DUP_MAX, re_dup_max, CTLFLAG_RD, 0, 0, ""); 163SYSCTL_INT(_user, USER_POSIX2_VERSION, posix2_version, CTLFLAG_RD, 0, 0, ""); 164SYSCTL_INT(_user, USER_POSIX2_C_BIND, posix2_c_bind, CTLFLAG_RD, 0, 0, ""); 165SYSCTL_INT(_user, USER_POSIX2_C_DEV, posix2_c_dev, CTLFLAG_RD, 0, 0, ""); 166SYSCTL_INT(_user, USER_POSIX2_CHAR_TERM, posix2_char_term, CTLFLAG_RD, 0, 0, ""); 167SYSCTL_INT(_user, USER_POSIX2_FORT_DEV, posix2_fort_dev, CTLFLAG_RD, 0, 0, ""); 168SYSCTL_INT(_user, USER_POSIX2_FORT_RUN, posix2_fort_run, CTLFLAG_RD, 0, 0, ""); 169SYSCTL_INT(_user, USER_POSIX2_LOCALEDEF, posix2_localedef, CTLFLAG_RD, 0, 0, ""); 170SYSCTL_INT(_user, USER_POSIX2_SW_DEV, posix2_sw_dev, CTLFLAG_RD, 0, 0, ""); 171SYSCTL_INT(_user, USER_POSIX2_UPE, posix2_upe, CTLFLAG_RD, 0, 0, ""); 172SYSCTL_INT(_user, USER_STREAM_MAX, stream_max, CTLFLAG_RD, 0, 0, ""); 173SYSCTL_INT(_user, USER_TZNAME_MAX, tzname_max, CTLFLAG_RD, 0, 0, ""); 174