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kern_sysctl.c (14499) kern_sysctl.c (15103)
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

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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
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

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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_sysctl.c,v 1.60 1996/02/25 07:03:59 hsu Exp $
40 * $Id: kern_sysctl.c,v 1.60 1996/03/11 02:18:22 hsu Exp $
41 */
42
43#include <sys/param.h>
41 */
42
43#include <sys/param.h>
44#include <sys/systm.h>
45#include <sys/sysproto.h>
46#include <sys/kernel.h>
44#include <sys/kernel.h>
47#include <sys/vnode.h>
48#include <sys/unistd.h>
49#include <sys/conf.h>
50#include <sys/sysctl.h>
51#include <sys/malloc.h>
52#include <sys/proc.h>
45#include <sys/sysctl.h>
46#include <sys/malloc.h>
47#include <sys/proc.h>
53
48#include <sys/systm.h>
49#include <sys/sysproto.h>
54#include <vm/vm.h>
50#include <vm/vm.h>
55#include <vm/vm_param.h>
56#include <vm/vm_extern.h>
51#include <vm/vm_extern.h>
52#include <sys/vnode.h>
57
58/*
59 * Locking and stats
60 */
61static struct sysctl_lock {
62 int sl_lock;
63 int sl_want;
64 int sl_locked;
65} memlock;
66
67static int sysctl_root SYSCTL_HANDLER_ARGS;
68
69extern struct linker_set sysctl_;
70
71/*
53
54/*
55 * Locking and stats
56 */
57static struct sysctl_lock {
58 int sl_lock;
59 int sl_want;
60 int sl_locked;
61} memlock;
62
63static int sysctl_root SYSCTL_HANDLER_ARGS;
64
65extern struct linker_set sysctl_;
66
67/*
72 * MIB definitions. XXX Very few of these, if any, belong here.
73 */
74SYSCTL_NODE(, 0, sysctl, CTLFLAG_RW, 0,
75 "Sysctl internal magic");
76SYSCTL_NODE(, CTL_KERN, kern, CTLFLAG_RW, 0,
77 "High kernel, proc, limits &c");
78SYSCTL_NODE(, CTL_VM, vm, CTLFLAG_RW, 0,
79 "Virtual memory");
80SYSCTL_NODE(, CTL_VFS, vfs, CTLFLAG_RW, 0,
81 "File system");
82SYSCTL_NODE(, CTL_NET, net, CTLFLAG_RW, 0,
83 "Network, (see socket.h)");
84SYSCTL_NODE(, CTL_DEBUG, debug, CTLFLAG_RW, 0,
85 "Debugging");
86SYSCTL_NODE(, CTL_HW, hw, CTLFLAG_RW, 0,
87 "hardware");
88SYSCTL_NODE(, CTL_MACHDEP, machdep, CTLFLAG_RW, 0,
89 "machine dependent");
90SYSCTL_NODE(, CTL_USER, user, CTLFLAG_RW, 0,
91 "user-level");
92
93SYSCTL_STRING(_kern, KERN_OSRELEASE, osrelease, CTLFLAG_RD, osrelease, 0, "");
94
95SYSCTL_INT(_kern, KERN_OSREV, osrevision, CTLFLAG_RD, 0, BSD, "");
96
97SYSCTL_STRING(_kern, KERN_VERSION, version, CTLFLAG_RD, version, 0, "");
98
99SYSCTL_STRING(_kern, KERN_OSTYPE, ostype, CTLFLAG_RD, ostype, 0, "");
100
101extern int osreldate;
102SYSCTL_INT(_kern, KERN_OSRELDATE, osreldate, CTLFLAG_RD, &osreldate, 0, "");
103
104SYSCTL_INT(_kern, KERN_MAXPROC, maxproc, CTLFLAG_RD, &maxproc, 0, "");
105
106SYSCTL_INT(_kern, KERN_MAXPROCPERUID, maxprocperuid,
107 CTLFLAG_RD, &maxprocperuid, 0, "");
108
109SYSCTL_INT(_kern, KERN_ARGMAX, argmax, CTLFLAG_RD, 0, ARG_MAX, "");
110
111SYSCTL_INT(_kern, KERN_POSIX1, posix1version, CTLFLAG_RD, 0, _POSIX_VERSION, "");
112
113SYSCTL_INT(_kern, KERN_NGROUPS, ngroups, CTLFLAG_RD, 0, NGROUPS_MAX, "");
114
115SYSCTL_INT(_kern, KERN_JOB_CONTROL, job_control, CTLFLAG_RD, 0, 1, "");
116
117#ifdef _POSIX_SAVED_IDS
118SYSCTL_INT(_kern, KERN_SAVED_IDS, saved_ids, CTLFLAG_RD, 0, 1, "");
119#else
120SYSCTL_INT(_kern, KERN_SAVED_IDS, saved_ids, CTLFLAG_RD, 0, 0, "");
121#endif
122
123char kernelname[MAXPATHLEN] = "/kernel"; /* XXX bloat */
124
125SYSCTL_STRING(_kern, KERN_BOOTFILE, bootfile,
126 CTLFLAG_RW, kernelname, sizeof kernelname, "");
127
128SYSCTL_INT(_hw, HW_NCPU, ncpu, CTLFLAG_RD, 0, 1, "");
129
130SYSCTL_INT(_hw, HW_BYTEORDER, byteorder, CTLFLAG_RD, 0, BYTE_ORDER, "");
131
132SYSCTL_INT(_hw, HW_PAGESIZE, pagesize, CTLFLAG_RD, 0, PAGE_SIZE, "");
133
134char hostname[MAXHOSTNAMELEN];
135
136SYSCTL_STRING(_kern, KERN_HOSTNAME, hostname, CTLFLAG_RW,
137 hostname, sizeof(hostname), "");
138
139int securelevel = -1;
140
141static int
142sysctl_kern_securelvl SYSCTL_HANDLER_ARGS
143{
144 int error, level;
145
146 level = securelevel;
147 error = sysctl_handle_int(oidp, &level, 0, req);
148 if (error || !req->newptr)
149 return (error);
150 if (level < securelevel && req->p->p_pid != 1)
151 return (EPERM);
152 securelevel = level;
153 return (error);
154}
155
156SYSCTL_PROC(_kern, KERN_SECURELVL, securelevel, CTLTYPE_INT|CTLFLAG_RW,
157 0, 0, sysctl_kern_securelvl, "I", "");
158
159char domainname[MAXHOSTNAMELEN];
160SYSCTL_STRING(_kern, KERN_DOMAINNAME, domainname, CTLFLAG_RW,
161 &domainname, sizeof(domainname), "");
162
163long hostid;
164/* Some trouble here, if sizeof (int) != sizeof (long) */
165SYSCTL_INT(_kern, KERN_HOSTID, hostid, CTLFLAG_RW, &hostid, 0, "");
166
167/*
168 * This is really cheating. These actually live in the libc, something
169 * which I'm not quite sure is a good idea anyway, but in order for
170 * getnext and friends to actually work, we define dummies here.
171 */
172
173SYSCTL_STRING(_user, USER_CS_PATH, cs_path, CTLFLAG_RW, "", 0, "");
174SYSCTL_INT(_user, USER_BC_BASE_MAX, bc_base_max, CTLFLAG_RW, 0, 0, "");
175SYSCTL_INT(_user, USER_BC_DIM_MAX, bc_dim_max, CTLFLAG_RW, 0, 0, "");
176SYSCTL_INT(_user, USER_BC_SCALE_MAX, bc_scale_max, CTLFLAG_RW, 0, 0, "");
177SYSCTL_INT(_user, USER_BC_STRING_MAX, bc_string_max, CTLFLAG_RW, 0, 0, "");
178SYSCTL_INT(_user, USER_COLL_WEIGHTS_MAX, coll_weights_max, CTLFLAG_RW, 0, 0, "");
179SYSCTL_INT(_user, USER_EXPR_NEST_MAX, expr_nest_max, CTLFLAG_RW, 0, 0, "");
180SYSCTL_INT(_user, USER_LINE_MAX, line_max, CTLFLAG_RW, 0, 0, "");
181SYSCTL_INT(_user, USER_RE_DUP_MAX, re_dup_max, CTLFLAG_RW, 0, 0, "");
182SYSCTL_INT(_user, USER_POSIX2_VERSION, posix2_version, CTLFLAG_RW, 0, 0, "");
183SYSCTL_INT(_user, USER_POSIX2_C_BIND, posix2_c_bind, CTLFLAG_RW, 0, 0, "");
184SYSCTL_INT(_user, USER_POSIX2_C_DEV, posix2_c_dev, CTLFLAG_RW, 0, 0, "");
185SYSCTL_INT(_user, USER_POSIX2_CHAR_TERM, posix2_char_term, CTLFLAG_RW, 0, 0, "");
186SYSCTL_INT(_user, USER_POSIX2_FORT_DEV, posix2_fort_dev, CTLFLAG_RW, 0, 0, "");
187SYSCTL_INT(_user, USER_POSIX2_FORT_RUN, posix2_fort_run, CTLFLAG_RW, 0, 0, "");
188SYSCTL_INT(_user, USER_POSIX2_LOCALEDEF, posix2_localedef, CTLFLAG_RW, 0, 0, "");
189SYSCTL_INT(_user, USER_POSIX2_SW_DEV, posix2_sw_dev, CTLFLAG_RW, 0, 0, "");
190SYSCTL_INT(_user, USER_POSIX2_UPE, posix2_upe, CTLFLAG_RW, 0, 0, "");
191SYSCTL_INT(_user, USER_STREAM_MAX, stream_max, CTLFLAG_RW, 0, 0, "");
192SYSCTL_INT(_user, USER_TZNAME_MAX, tzname_max, CTLFLAG_RW, 0, 0, "");
193
194
195/*
196 * End of MIB definitions.
197 */
198
199/*
200 * Initialization of the MIB tree.
201 *
202 * Order by number in each linker_set.
203 */
204
205static int
206sysctl_order_cmp(const void *a, const void *b)
207{

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938 else
939 *retval = req.oldidx;
940 }
941 return (error);
942}
943
944#ifdef COMPAT_43
945#include <sys/socket.h>
68 * Initialization of the MIB tree.
69 *
70 * Order by number in each linker_set.
71 */
72
73static int
74sysctl_order_cmp(const void *a, const void *b)
75{

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806 else
807 *retval = req.oldidx;
808 }
809 return (error);
810}
811
812#ifdef COMPAT_43
813#include <sys/socket.h>
814#include <vm/vm_param.h>
815
946#define KINFO_PROC (0<<8)
947#define KINFO_RT (1<<8)
948#define KINFO_VNODE (2<<8)
949#define KINFO_FILE (3<<8)
950#define KINFO_METER (4<<8)
951#define KINFO_LOADAVG (5<<8)
952#define KINFO_CLOCKRATE (6<<8)
953

--- 195 unchanged lines hidden --- 		816#define KINFO_PROC (0<<8)
817#define KINFO_RT (1<<8)
818#define KINFO_VNODE (2<<8)
819#define KINFO_FILE (3<<8)
820#define KINFO_METER (4<<8)
821#define KINFO_LOADAVG (5<<8)
822#define KINFO_CLOCKRATE (6<<8)
823

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