1130b656e5
This will make a number of things easier in the future, as well as (finally!) avoiding the Id-smashing problem which has plagued developers for so long. Boy, I'm glad we're not using sup anymore. This update would have been insane otherwise.
168 lines
6.7 KiB
C
168 lines
6.7 KiB
C
/*-
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* Copyright (c) 1982, 1986, 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Mike Karels at Berkeley Software Design, Inc.
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*
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* Quite extensively rewritten by Poul-Henning Kamp of the FreeBSD
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* project, to make these variables more userfriendly.
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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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* @(#)kern_sysctl.c 8.4 (Berkeley) 4/14/94
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/systm.h>
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#include <sys/sysctl.h>
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#include <sys/proc.h>
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#include <sys/unistd.h>
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SYSCTL_NODE(, 0, sysctl, CTLFLAG_RW, 0,
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"Sysctl internal magic");
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SYSCTL_NODE(, CTL_KERN, kern, CTLFLAG_RW, 0,
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"High kernel, proc, limits &c");
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SYSCTL_NODE(, CTL_VM, vm, CTLFLAG_RW, 0,
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"Virtual memory");
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SYSCTL_NODE(, CTL_VFS, vfs, CTLFLAG_RW, 0,
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"File system");
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SYSCTL_NODE(, CTL_NET, net, CTLFLAG_RW, 0,
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"Network, (see socket.h)");
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SYSCTL_NODE(, CTL_DEBUG, debug, CTLFLAG_RW, 0,
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"Debugging");
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SYSCTL_NODE(, CTL_HW, hw, CTLFLAG_RW, 0,
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"hardware");
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SYSCTL_NODE(, CTL_MACHDEP, machdep, CTLFLAG_RW, 0,
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"machine dependent");
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SYSCTL_NODE(, CTL_USER, user, CTLFLAG_RW, 0,
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"user-level");
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SYSCTL_STRING(_kern, KERN_OSRELEASE, osrelease, CTLFLAG_RD, osrelease, 0, "");
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SYSCTL_INT(_kern, KERN_OSREV, osrevision, CTLFLAG_RD, 0, BSD, "");
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SYSCTL_STRING(_kern, KERN_VERSION, version, CTLFLAG_RD, version, 0, "");
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SYSCTL_STRING(_kern, KERN_OSTYPE, ostype, CTLFLAG_RD, ostype, 0, "");
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extern int osreldate;
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SYSCTL_INT(_kern, KERN_OSRELDATE, osreldate, CTLFLAG_RD, &osreldate, 0, "");
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SYSCTL_INT(_kern, KERN_MAXPROC, maxproc, CTLFLAG_RW, &maxproc, 0, "");
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SYSCTL_INT(_kern, KERN_MAXPROCPERUID, maxprocperuid,
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CTLFLAG_RW, &maxprocperuid, 0, "");
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SYSCTL_INT(_kern, KERN_ARGMAX, argmax, CTLFLAG_RD, 0, ARG_MAX, "");
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SYSCTL_INT(_kern, KERN_POSIX1, posix1version, CTLFLAG_RD, 0, _POSIX_VERSION, "");
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SYSCTL_INT(_kern, KERN_NGROUPS, ngroups, CTLFLAG_RD, 0, NGROUPS_MAX, "");
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SYSCTL_INT(_kern, KERN_JOB_CONTROL, job_control, CTLFLAG_RD, 0, 1, "");
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#ifdef _POSIX_SAVED_IDS
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SYSCTL_INT(_kern, KERN_SAVED_IDS, saved_ids, CTLFLAG_RD, 0, 1, "");
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#else
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SYSCTL_INT(_kern, KERN_SAVED_IDS, saved_ids, CTLFLAG_RD, 0, 0, "");
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#endif
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char kernelname[MAXPATHLEN] = "/kernel"; /* XXX bloat */
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SYSCTL_STRING(_kern, KERN_BOOTFILE, bootfile,
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CTLFLAG_RW, kernelname, sizeof kernelname, "");
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SYSCTL_INT(_hw, HW_NCPU, ncpu, CTLFLAG_RD, 0, 1, "");
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SYSCTL_INT(_hw, HW_BYTEORDER, byteorder, CTLFLAG_RD, 0, BYTE_ORDER, "");
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SYSCTL_INT(_hw, HW_PAGESIZE, pagesize, CTLFLAG_RD, 0, PAGE_SIZE, "");
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char hostname[MAXHOSTNAMELEN];
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SYSCTL_STRING(_kern, KERN_HOSTNAME, hostname, CTLFLAG_RW,
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hostname, sizeof(hostname), "");
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int securelevel = -1;
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static int
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sysctl_kern_securelvl SYSCTL_HANDLER_ARGS
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{
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int error, level;
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level = securelevel;
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error = sysctl_handle_int(oidp, &level, 0, req);
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if (error || !req->newptr)
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return (error);
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if (level < securelevel && req->p->p_pid != 1)
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return (EPERM);
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securelevel = level;
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return (error);
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}
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SYSCTL_PROC(_kern, KERN_SECURELVL, securelevel, CTLTYPE_INT|CTLFLAG_RW,
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0, 0, sysctl_kern_securelvl, "I", "");
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char domainname[MAXHOSTNAMELEN];
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SYSCTL_STRING(_kern, KERN_NISDOMAINNAME, domainname, CTLFLAG_RW,
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&domainname, sizeof(domainname), "");
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long hostid;
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/* Some trouble here, if sizeof (int) != sizeof (long) */
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SYSCTL_INT(_kern, KERN_HOSTID, hostid, CTLFLAG_RW, &hostid, 0, "");
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/*
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* This is really cheating. These actually live in the libc, something
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* which I'm not quite sure is a good idea anyway, but in order for
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* getnext and friends to actually work, we define dummies here.
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*/
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SYSCTL_STRING(_user, USER_CS_PATH, cs_path, CTLFLAG_RD, "", 0, "");
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SYSCTL_INT(_user, USER_BC_BASE_MAX, bc_base_max, CTLFLAG_RD, 0, 0, "");
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SYSCTL_INT(_user, USER_BC_DIM_MAX, bc_dim_max, CTLFLAG_RD, 0, 0, "");
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SYSCTL_INT(_user, USER_BC_SCALE_MAX, bc_scale_max, CTLFLAG_RD, 0, 0, "");
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SYSCTL_INT(_user, USER_BC_STRING_MAX, bc_string_max, CTLFLAG_RD, 0, 0, "");
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SYSCTL_INT(_user, USER_COLL_WEIGHTS_MAX, coll_weights_max, CTLFLAG_RD, 0, 0, "");
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SYSCTL_INT(_user, USER_EXPR_NEST_MAX, expr_nest_max, CTLFLAG_RD, 0, 0, "");
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SYSCTL_INT(_user, USER_LINE_MAX, line_max, CTLFLAG_RD, 0, 0, "");
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SYSCTL_INT(_user, USER_RE_DUP_MAX, re_dup_max, CTLFLAG_RD, 0, 0, "");
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SYSCTL_INT(_user, USER_POSIX2_VERSION, posix2_version, CTLFLAG_RD, 0, 0, "");
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SYSCTL_INT(_user, USER_POSIX2_C_BIND, posix2_c_bind, CTLFLAG_RD, 0, 0, "");
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SYSCTL_INT(_user, USER_POSIX2_C_DEV, posix2_c_dev, CTLFLAG_RD, 0, 0, "");
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SYSCTL_INT(_user, USER_POSIX2_CHAR_TERM, posix2_char_term, CTLFLAG_RD, 0, 0, "");
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SYSCTL_INT(_user, USER_POSIX2_FORT_DEV, posix2_fort_dev, CTLFLAG_RD, 0, 0, "");
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SYSCTL_INT(_user, USER_POSIX2_FORT_RUN, posix2_fort_run, CTLFLAG_RD, 0, 0, "");
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SYSCTL_INT(_user, USER_POSIX2_LOCALEDEF, posix2_localedef, CTLFLAG_RD, 0, 0, "");
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SYSCTL_INT(_user, USER_POSIX2_SW_DEV, posix2_sw_dev, CTLFLAG_RD, 0, 0, "");
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SYSCTL_INT(_user, USER_POSIX2_UPE, posix2_upe, CTLFLAG_RD, 0, 0, "");
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SYSCTL_INT(_user, USER_STREAM_MAX, stream_max, CTLFLAG_RD, 0, 0, "");
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SYSCTL_INT(_user, USER_TZNAME_MAX, tzname_max, CTLFLAG_RD, 0, 0, "");
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