OpenBSD-4.6/sbin/sysctl/sysctl.c
/* $OpenBSD: sysctl.c,v 1.161 2009/06/07 03:07:19 millert Exp $ */
/* $NetBSD: sysctl.c,v 1.9 1995/09/30 07:12:50 thorpej Exp $ */
/*
* Copyright (c) 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
static const char copyright[] =
"@(#) Copyright (c) 1993\n\
The Regents of the University of California. All rights reserved.\n";
#endif /* not lint */
#ifndef lint
#if 0
static const char sccsid[] = "@(#)sysctl.c 8.5 (Berkeley) 5/9/95";
#else
static const char rcsid[] = "$OpenBSD: sysctl.c,v 1.161 2009/06/07 03:07:19 millert Exp $";
#endif
#endif /* not lint */
#include <sys/param.h>
#include <sys/gmon.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include <sys/sem.h>
#include <sys/shm.h>
#include <sys/sysctl.h>
#include <sys/socket.h>
#include <sys/malloc.h>
#include <sys/dkstat.h>
#include <sys/uio.h>
#include <sys/tty.h>
#include <sys/namei.h>
#include <sys/sensors.h>
#include <machine/cpu.h>
#include <net/route.h>
#include <net/if.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/in_pcb.h>
#include <netinet/ip_icmp.h>
#include <netinet/ip_ipip.h>
#include <netinet/ip_ether.h>
#include <netinet/ip_ah.h>
#include <netinet/ip_esp.h>
#include <netinet/icmp_var.h>
#include <netinet/igmp_var.h>
#include <netinet/ip_var.h>
#include <netinet/udp.h>
#include <netinet/udp_var.h>
#include <netinet/tcp.h>
#include <netinet/tcp_timer.h>
#include <netinet/tcp_var.h>
#include <netinet/ip_gre.h>
#include <netinet/ip_ipcomp.h>
#include <netinet/ip_carp.h>
#include <net/pfvar.h>
#include <net/if_pfsync.h>
#ifdef INET6
#include <netinet/ip6.h>
#include <netinet/icmp6.h>
#include <netinet6/ip6_var.h>
#include <netinet6/pim6_var.h>
#endif
#include <netmpls/mpls.h>
#include <uvm/uvm_swap_encrypt.h>
#include <ufs/ufs/quota.h>
#include <ufs/ufs/inode.h>
#include <ufs/ffs/fs.h>
#include <ufs/ffs/ffs_extern.h>
#include <nfs/rpcv2.h>
#include <nfs/nfsproto.h>
#include <nfs/nfs.h>
#include <ddb/db_var.h>
#include <dev/rndvar.h>
#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#ifdef CPU_BIOS
#include <machine/biosvar.h>
#endif
struct ctlname topname[] = CTL_NAMES;
struct ctlname kernname[] = CTL_KERN_NAMES;
struct ctlname vmname[] = CTL_VM_NAMES;
struct ctlname fsname[] = CTL_FS_NAMES;
struct ctlname netname[] = CTL_NET_NAMES;
struct ctlname hwname[] = CTL_HW_NAMES;
struct ctlname username[] = CTL_USER_NAMES;
struct ctlname debugname[CTL_DEBUG_MAXID];
struct ctlname kernmallocname[] = CTL_KERN_MALLOC_NAMES;
struct ctlname forkstatname[] = CTL_KERN_FORKSTAT_NAMES;
struct ctlname nchstatsname[] = CTL_KERN_NCHSTATS_NAMES;
struct ctlname ttysname[] = CTL_KERN_TTY_NAMES;
struct ctlname semname[] = CTL_KERN_SEMINFO_NAMES;
struct ctlname shmname[] = CTL_KERN_SHMINFO_NAMES;
struct ctlname watchdogname[] = CTL_KERN_WATCHDOG_NAMES;
struct ctlname tcname[] = CTL_KERN_TIMECOUNTER_NAMES;
struct ctlname *vfsname;
#ifdef CTL_MACHDEP_NAMES
struct ctlname machdepname[] = CTL_MACHDEP_NAMES;
#endif
struct ctlname ddbname[] = CTL_DDB_NAMES;
char names[BUFSIZ];
int lastused;
/* Maximum size object to expect from sysctl(3) */
#define SYSCTL_BUFSIZ 8192
struct list {
struct ctlname *list;
int size;
};
struct list toplist = { topname, CTL_MAXID };
struct list secondlevel[] = {
{ 0, 0 }, /* CTL_UNSPEC */
{ kernname, KERN_MAXID }, /* CTL_KERN */
{ vmname, VM_MAXID }, /* CTL_VM */
{ fsname, FS_MAXID }, /* CTL_FS */
{ netname, NET_MAXID }, /* CTL_NET */
{ 0, CTL_DEBUG_MAXID }, /* CTL_DEBUG */
{ hwname, HW_MAXID }, /* CTL_HW */
#ifdef CTL_MACHDEP_NAMES
{ machdepname, CPU_MAXID }, /* CTL_MACHDEP */
#else
{ 0, 0 }, /* CTL_MACHDEP */
#endif
{ username, USER_MAXID }, /* CTL_USER_NAMES */
{ ddbname, DBCTL_MAXID }, /* CTL_DDB_NAMES */
{ 0, 0 }, /* CTL_VFS */
};
int Aflag, aflag, nflag, qflag;
/*
* Variables requiring special processing.
*/
#define CLOCK 0x00000001
#define BOOTTIME 0x00000002
#define CHRDEV 0x00000004
#define BLKDEV 0x00000008
#define RNDSTATS 0x00000010
#define BADDYNAMIC 0x00000020
#define BIOSGEO 0x00000040
#define BIOSDEV 0x00000080
#define MAJ2DEV 0x00000100
#define UNSIGNED 0x00000200
#define KMEMBUCKETS 0x00000400
#define LONGARRAY 0x00000800
#define KMEMSTATS 0x00001000
#define SENSORS 0x00002000
/* prototypes */
void debuginit(void);
void listall(char *, struct list *);
void parse(char *, int);
void parse_baddynamic(int *, size_t, char *, void **, size_t *, int, int);
void usage(void);
int findname(char *, char *, char **, struct list *);
int sysctl_inet(char *, char **, int *, int, int *);
#ifdef INET6
int sysctl_inet6(char *, char **, int *, int, int *);
#endif
int sysctl_bpf(char *, char **, int *, int, int *);
int sysctl_mpls(char *, char **, int *, int, int *);
int sysctl_fs(char *, char **, int *, int, int *);
static int sysctl_vfs(char *, char **, int[], int, int *);
static int sysctl_vfsgen(char *, char **, int[], int, int *);
int sysctl_bios(char *, char **, int *, int, int *);
int sysctl_swpenc(char *, char **, int *, int, int *);
int sysctl_forkstat(char *, char **, int *, int, int *);
int sysctl_tty(char *, char **, int *, int, int *);
int sysctl_nchstats(char *, char **, int *, int, int *);
int sysctl_malloc(char *, char **, int *, int, int *);
int sysctl_seminfo(char *, char **, int *, int, int *);
int sysctl_shminfo(char *, char **, int *, int, int *);
int sysctl_watchdog(char *, char **, int *, int, int *);
int sysctl_tc(char *, char **, int *, int, int *);
int sysctl_sensors(char *, char **, int *, int, int *);
void print_sensordev(char *, int *, u_int, struct sensordev *);
void print_sensor(struct sensor *);
int sysctl_emul(char *, char *, int);
#ifdef CPU_CHIPSET
int sysctl_chipset(char *, char **, int *, int, int *);
#endif
void vfsinit(void);
char *equ = "=";
int
main(int argc, char *argv[])
{
int ch, lvl1;
while ((ch = getopt(argc, argv, "Aanqw")) != -1) {
switch (ch) {
case 'A':
Aflag = 1;
break;
case 'a':
aflag = 1;
break;
case 'n':
nflag = 1;
break;
case 'q':
qflag = 1;
break;
case 'w':
/* flag no longer needed; var=value implies write */
break;
default:
usage();
}
}
argc -= optind;
argv += optind;
if (argc == 0 || (Aflag || aflag)) {
debuginit();
vfsinit();
for (lvl1 = 1; lvl1 < CTL_MAXID; lvl1++)
listall(topname[lvl1].ctl_name, &secondlevel[lvl1]);
return (0);
}
for (; *argv != NULL; ++argv)
parse(*argv, 1);
return (0);
}
/*
* List all variables known to the system.
*/
void
listall(char *prefix, struct list *lp)
{
char *cp, name[BUFSIZ];
int lvl2, len;
if (lp->list == NULL)
return;
if ((len = strlcpy(name, prefix, sizeof(name))) >= sizeof(name))
errx(1, "%s: name too long", prefix);
cp = name + len++;
*cp++ = '.';
for (lvl2 = 0; lvl2 < lp->size; lvl2++) {
if (lp->list[lvl2].ctl_name == NULL)
continue;
if (strlcpy(cp, lp->list[lvl2].ctl_name,
sizeof(name) - len) >= sizeof(name) - len)
warn("%s: name too long", lp->list[lvl2].ctl_name);
parse(name, Aflag);
}
}
/*
* Parse a name into a MIB entry.
* Lookup and print out the MIB entry if it exists.
* Set a new value if requested.
*/
void
parse(char *string, int flags)
{
int indx, type, state, intval, len;
size_t size, newsize = 0;
int lal = 0, special = 0;
void *newval = NULL;
int64_t quadval;
struct list *lp;
int mib[CTL_MAXNAME];
char *cp, *bufp, buf[SYSCTL_BUFSIZ];
(void)strlcpy(buf, string, sizeof(buf));
bufp = buf;
if ((cp = strchr(string, '=')) != NULL) {
*strchr(buf, '=') = '\0';
*cp++ = '\0';
while (isspace(*cp))
cp++;
newval = cp;
newsize = strlen(cp);
}
if ((indx = findname(string, "top", &bufp, &toplist)) == -1)
return;
mib[0] = indx;
if (indx == CTL_VFS)
vfsinit();
if (indx == CTL_DEBUG)
debuginit();
lp = &secondlevel[indx];
if (lp->list == 0) {
warnx("%s: class is not implemented", topname[indx].ctl_name);
return;
}
if (bufp == NULL) {
listall(topname[indx].ctl_name, lp);
return;
}
if ((indx = findname(string, "second", &bufp, lp)) == -1)
return;
mib[1] = indx;
type = lp->list[indx].ctl_type;
len = 2;
switch (mib[0]) {
case CTL_KERN:
switch (mib[1]) {
case KERN_PROF:
mib[2] = GPROF_STATE;
size = sizeof(state);
if (sysctl(mib, 3, &state, &size, NULL, 0) == -1) {
if (flags == 0)
return;
if (!nflag)
(void)printf("%s: ", string);
(void)puts("kernel is not compiled for profiling");
return;
}
if (!nflag)
(void)printf("%s = %s\n", string,
state == GMON_PROF_OFF ? "off" : "running");
return;
case KERN_FORKSTAT:
sysctl_forkstat(string, &bufp, mib, flags, &type);
return;
case KERN_TTY:
len = sysctl_tty(string, &bufp, mib, flags, &type);
if (len < 0)
return;
break;
case KERN_NCHSTATS:
sysctl_nchstats(string, &bufp, mib, flags, &type);
return;
case KERN_MALLOCSTATS:
len = sysctl_malloc(string, &bufp, mib, flags, &type);
if (len < 0)
return;
if (mib[2] == KERN_MALLOC_BUCKET)
special |= KMEMBUCKETS;
if (mib[2] == KERN_MALLOC_KMEMSTATS)
special |= KMEMSTATS;
newsize = 0;
break;
case KERN_MBSTAT:
if (flags == 0)
return;
warnx("use netstat to view %s", string);
return;
case KERN_MSGBUF:
if (flags == 0)
return;
warnx("use dmesg to view %s", string);
return;
case KERN_VNODE:
case KERN_FILE:
if (flags == 0)
return;
warnx("use pstat to view %s information", string);
return;
case KERN_PROC:
case KERN_PROC2:
if (flags == 0)
return;
warnx("use ps to view %s information", string);
return;
case KERN_CLOCKRATE:
special |= CLOCK;
break;
case KERN_BOOTTIME:
special |= BOOTTIME;
break;
case KERN_RND:
special |= RNDSTATS;
break;
case KERN_HOSTID:
case KERN_ARND:
special |= UNSIGNED;
break;
case KERN_CPTIME:
special |= LONGARRAY;
lal = CPUSTATES;
break;
case KERN_SEMINFO:
len = sysctl_seminfo(string, &bufp, mib, flags, &type);
if (len < 0)
return;
break;
case KERN_SHMINFO:
len = sysctl_shminfo(string, &bufp, mib, flags, &type);
if (len < 0)
return;
break;
case KERN_WATCHDOG:
len = sysctl_watchdog(string, &bufp, mib, flags,
&type);
if (len < 0)
return;
break;
case KERN_TIMECOUNTER:
len = sysctl_tc(string, &bufp, mib, flags,
&type);
if (len < 0)
return;
break;
case KERN_EMUL:
sysctl_emul(string, newval, flags);
return;
case KERN_FILE2:
if (flags == 0)
return;
warnx("use fstat to view %s information", string);
return;
}
break;
case CTL_HW:
switch (mib[1]) {
case HW_DISKSTATS:
/*
* Only complain if someone asks explicitly for this,
* otherwise "fail" silently.
*/
if (flags)
warnx("use vmstat to view %s information",
string);
return;
case HW_SENSORS:
special |= SENSORS;
len = sysctl_sensors(string, &bufp, mib, flags, &type);
if (len < 0)
return;
break;
case HW_PHYSMEM:
case HW_USERMEM:
/*
* Don't print these; we'll print the 64-bit
* variants instead.
*/
return;
}
break;
case CTL_VM:
if (mib[1] == VM_LOADAVG) {
double loads[3];
getloadavg(loads, 3);
if (!nflag)
(void)printf("%s%s", string, equ);
(void)printf("%.2f %.2f %.2f\n", loads[0],
loads[1], loads[2]);
return;
} else if (mib[1] == VM_PSSTRINGS) {
struct _ps_strings _ps;
size = sizeof(_ps);
if (sysctl(mib, 2, &_ps, &size, NULL, 0) == -1) {
if (flags == 0)
return;
if (!nflag)
(void)printf("%s: ", string);
(void)puts("can't find ps strings");
return;
}
if (!nflag)
(void)printf("%s%s", string, equ);
(void)printf("%p\n", _ps.val);
return;
} else if (mib[1] == VM_SWAPENCRYPT) {
len = sysctl_swpenc(string, &bufp, mib, flags, &type);
if (len < 0)
return;
break;
} else if (mib[1] == VM_NKMEMPAGES ||
mib[1] == VM_ANONMIN ||
mib[1] == VM_VTEXTMIN ||
mib[1] == VM_VNODEMIN) {
break;
}
if (flags == 0)
return;
warnx("use vmstat or systat to view %s information", string);
return;
break;
case CTL_NET:
if (mib[1] == PF_INET) {
len = sysctl_inet(string, &bufp, mib, flags, &type);
if (len < 0)
return;
if ((mib[2] == IPPROTO_IP && mib[3] == IPCTL_MRTSTATS) ||
(mib[2] == IPPROTO_IP && mib[3] == IPCTL_STATS) ||
(mib[2] == IPPROTO_TCP && mib[3] == TCPCTL_STATS) ||
(mib[2] == IPPROTO_UDP && mib[3] == UDPCTL_STATS) ||
(mib[2] == IPPROTO_ESP && mib[3] == ESPCTL_STATS) ||
(mib[2] == IPPROTO_AH && mib[3] == AHCTL_STATS) ||
(mib[2] == IPPROTO_IGMP && mib[3] == IGMPCTL_STATS) ||
(mib[2] == IPPROTO_ETHERIP && mib[3] == ETHERIPCTL_STATS) ||
(mib[2] == IPPROTO_IPIP && mib[3] == IPIPCTL_STATS) ||
(mib[2] == IPPROTO_IPCOMP && mib[3] == IPCOMPCTL_STATS) ||
(mib[2] == IPPROTO_ICMP && mib[3] == ICMPCTL_STATS) ||
(mib[2] == IPPROTO_CARP && mib[3] == CARPCTL_STATS) ||
(mib[2] == IPPROTO_PFSYNC && mib[3] == PFSYNCCTL_STATS)) {
if (flags == 0)
return;
warnx("use netstat to view %s information",
string);
return;
} else if ((mib[2] == IPPROTO_TCP &&
mib[3] == TCPCTL_BADDYNAMIC) ||
(mib[2] == IPPROTO_UDP &&
mib[3] == UDPCTL_BADDYNAMIC)) {
special |= BADDYNAMIC;
if (newval != NULL)
parse_baddynamic(mib, len, string,
&newval, &newsize, flags, nflag);
}
break;
}
#ifdef INET6
if (mib[1] == PF_INET6) {
len = sysctl_inet6(string, &bufp, mib, flags, &type);
if (len < 0)
return;
if ((mib[2] == IPPROTO_PIM && mib[3] == PIM6CTL_STATS)) {
if (flags == 0)
return;
warnx("use netstat to view %s information",
string);
return;
}
break;
}
#endif
if (mib[1] == PF_BPF) {
len = sysctl_bpf(string, &bufp, mib, flags, &type);
if (len < 0)
return;
break;
}
if (mib[1] == PF_MPLS) {
len = sysctl_mpls(string, &bufp, mib, flags, &type);
if (len < 0)
return;
break;
}
if (flags == 0)
return;
warnx("use netstat to view %s information", string);
return;
case CTL_DEBUG:
mib[2] = CTL_DEBUG_VALUE;
len = 3;
break;
case CTL_MACHDEP:
#ifdef CPU_CONSDEV
if (mib[1] == CPU_CONSDEV)
special |= CHRDEV;
#endif
#ifdef CPU_BLK2CHR
if (mib[1] == CPU_BLK2CHR) {
if (bufp == NULL)
return;
mib[2] = makedev(atoi(bufp),0);
bufp = NULL;
len = 3;
special |= CHRDEV;
break;
}
#endif
#ifdef CPU_CHR2BLK
if (mib[1] == CPU_CHR2BLK) {
if (bufp == NULL)
return;
mib[2] = makedev(atoi(bufp),0);
bufp = NULL;
len = 3;
special |= BLKDEV;
break;
}
#endif
#ifdef CPU_BIOS
if (mib[1] == CPU_BIOS) {
len = sysctl_bios(string, &bufp, mib, flags, &type);
if (len < 0)
return;
if (mib[2] == BIOS_DEV)
special |= BIOSDEV;
if (mib[2] == BIOS_DISKINFO)
special |= BIOSGEO;
break;
}
#endif
#ifdef CPU_CHIPSET
if (mib[1] == CPU_CHIPSET) {
len = sysctl_chipset(string, &bufp, mib, flags, &type);
if (len < 0)
return;
break;
}
#endif
break;
case CTL_FS:
len = sysctl_fs(string, &bufp, mib, flags, &type);
if (len >= 0)
break;
return;
case CTL_VFS:
if (mib[1])
len = sysctl_vfs(string, &bufp, mib, flags, &type);
else
len = sysctl_vfsgen(string, &bufp, mib, flags, &type);
if (len >= 0) {
if (type == CTLTYPE_STRUCT) {
if (flags)
warnx("use nfsstat to view %s information",
MOUNT_NFS);
return;
} else
break;
}
return;
case CTL_USER:
case CTL_DDB:
break;
default:
warnx("illegal top level value: %d", mib[0]);
return;
}
if (bufp) {
warnx("name %s in %s is unknown", bufp, string);
return;
}
if (newsize > 0) {
switch (type) {
case CTLTYPE_INT:
errno = 0;
if (special & UNSIGNED)
intval = strtoul(newval, &cp, 10);
else
intval = strtol(newval, &cp, 10);
if (*cp != '\0') {
warnx("%s: illegal value: %s", string,
(char *)newval);
return;
}
if (errno == ERANGE) {
warnx("%s: value %s out of range", string,
(char *)newval);
return;
}
newval = &intval;
newsize = sizeof(intval);
break;
case CTLTYPE_QUAD:
/* XXX - assumes sizeof(long long) == sizeof(quad_t) */
(void)sscanf(newval, "%lld", (long long *)&quadval);
newval = &quadval;
newsize = sizeof(quadval);
break;
}
}
size = SYSCTL_BUFSIZ;
if (sysctl(mib, len, buf, &size, newval, newsize) == -1) {
if (flags == 0)
return;
switch (errno) {
case EOPNOTSUPP:
warnx("%s: value is not available", string);
return;
case ENOTDIR:
warnx("%s: specification is incomplete", string);
return;
case ENOMEM:
warnx("%s: type is unknown to this program", string);
return;
case ENXIO:
if (special & BIOSGEO)
return;
default:
warn("%s", string);
return;
}
}
if (special & KMEMBUCKETS) {
struct kmembuckets *kb = (struct kmembuckets *)buf;
if (!nflag)
(void)printf("%s%s", string, equ);
printf("(");
printf("calls = %llu ", (long long)kb->kb_calls);
printf("total_allocated = %llu ", (long long)kb->kb_total);
printf("total_free = %lld ", (long long)kb->kb_totalfree);
printf("elements = %lld ", (long long)kb->kb_elmpercl);
printf("high watermark = %lld ", (long long)kb->kb_highwat);
printf("could_free = %lld", (long long)kb->kb_couldfree);
printf(")\n");
return;
}
if (special & KMEMSTATS) {
struct kmemstats *km = (struct kmemstats *)buf;
int j, first = 1;
if (!nflag)
(void)printf("%s%s", string, equ);
(void)printf("(inuse = %ld, calls = %ld, memuse = %ldK, "
"limblocks = %d, mapblocks = %d, maxused = %ldK, "
"limit = %ldK, spare = %ld, sizes = (",
km->ks_inuse, km->ks_calls,
(km->ks_memuse + 1023) / 1024, km->ks_limblocks,
km->ks_mapblocks, (km->ks_maxused + 1023) / 1024,
(km->ks_limit + 1023) / 1024, km->ks_spare);
for (j = 1 << MINBUCKET; j < 1 << (MINBUCKET + 16); j <<= 1) {
if ((km->ks_size & j ) == 0)
continue;
if (first)
(void)printf("%d", j);
else
(void)printf(",%d", j);
first = 0;
}
if (first)
(void)printf("none");
(void)printf("))\n");
return;
}
if (special & CLOCK) {
struct clockinfo *clkp = (struct clockinfo *)buf;
if (!nflag)
(void)printf("%s%s", string, equ);
(void)printf(
"tick = %d, tickadj = %d, hz = %d, profhz = %d, stathz = %d\n",
clkp->tick, clkp->tickadj, clkp->hz, clkp->profhz, clkp->stathz);
return;
}
if (special & BOOTTIME) {
struct timeval *btp = (struct timeval *)buf;
time_t boottime;
if (!nflag) {
boottime = btp->tv_sec;
(void)printf("%s%s%s", string, equ, ctime(&boottime));
} else
(void)printf("%ld\n", btp->tv_sec);
return;
}
if (special & BLKDEV) {
dev_t dev = *(dev_t *)buf;
if (!nflag)
(void)printf("%s%s%s\n", string, equ,
devname(dev, S_IFBLK));
else
(void)printf("0x%x\n", dev);
return;
}
if (special & CHRDEV) {
dev_t dev = *(dev_t *)buf;
if (!nflag)
(void)printf("%s%s%s\n", string, equ,
devname(dev, S_IFCHR));
else
(void)printf("0x%x\n", dev);
return;
}
#ifdef CPU_BIOS
if (special & BIOSGEO) {
bios_diskinfo_t *pdi = (bios_diskinfo_t *)buf;
if (!nflag)
(void)printf("%s%s", string, equ);
(void)printf("bootdev = 0x%x, "
"cylinders = %u, heads = %u, sectors = %u\n",
pdi->bsd_dev, pdi->bios_cylinders,
pdi->bios_heads, pdi->bios_sectors);
return;
}
if (special & BIOSDEV) {
int dev = *(int*)buf;
if (!nflag)
(void)printf("%s%s", string, equ);
(void) printf("0x%02x\n", dev);
return;
}
#endif
if (special & UNSIGNED) {
if (newsize == 0) {
if (!nflag)
(void)printf("%s%s", string, equ);
(void)printf("%u\n", *(u_int *)buf);
} else {
if (!qflag) {
if (!nflag)
(void)printf("%s: %u -> ", string,
*(u_int *)buf);
(void)printf("%u\n", *(u_int *)newval);
}
}
return;
}
if (special & RNDSTATS) {
struct rndstats *rndstats = (struct rndstats *)buf;
int i;
if (!nflag)
(void)printf("%s%s", string, equ);
(void)printf(
"%llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu",
(unsigned long long)rndstats->rnd_total,
(unsigned long long)rndstats->rnd_used,
(unsigned long long)rndstats->rnd_reads,
(unsigned long long)rndstats->arc4_reads,
(unsigned long long)rndstats->arc4_nstirs,
(unsigned long long)rndstats->arc4_stirs,
(unsigned long long)rndstats->rnd_pad[0],
(unsigned long long)rndstats->rnd_pad[1],
(unsigned long long)rndstats->rnd_pad[2],
(unsigned long long)rndstats->rnd_pad[3],
(unsigned long long)rndstats->rnd_pad[4],
(unsigned long long)rndstats->rnd_waits,
(unsigned long long)rndstats->rnd_enqs,
(unsigned long long)rndstats->rnd_deqs,
(unsigned long long)rndstats->rnd_drops,
(unsigned long long)rndstats->rnd_drople);
for (i = 0; i < sizeof(rndstats->rnd_ed)/sizeof(rndstats->rnd_ed[0]);
i++)
(void)printf(" %llu", (unsigned long long)rndstats->rnd_ed[i]);
for (i = 0; i < sizeof(rndstats->rnd_sc)/sizeof(rndstats->rnd_sc[0]);
i++)
(void)printf(" %llu", (unsigned long long)rndstats->rnd_sc[i]);
for (i = 0; i < sizeof(rndstats->rnd_sb)/sizeof(rndstats->rnd_sb[0]);
i++)
(void)printf(" %llu", (unsigned long long)rndstats->rnd_sb[i]);
printf("\n");
return;
}
if (special & BADDYNAMIC) {
u_int port, lastport;
u_int32_t *baddynamic = (u_int32_t *)buf;
if (!qflag) {
if (!nflag)
(void)printf("%s%s", string,
newsize ? ": " : equ);
lastport = 0;
for (port = 0; port < 65536; port++)
if (DP_ISSET(baddynamic, port)) {
(void)printf("%s%u",
lastport ? "," : "", port);
lastport = port;
}
if (newsize != 0) {
if (!nflag)
fputs(" -> ", stdout);
baddynamic = (u_int32_t *)newval;
lastport = 0;
for (port = 0; port < 65536; port++)
if (DP_ISSET(baddynamic, port)) {
(void)printf("%s%u",
lastport ? "," : "", port);
lastport = port;
}
}
(void)putchar('\n');
}
return;
}
if (special & LONGARRAY) {
long *la = (long *)buf;
if (!nflag)
printf("%s%s", string, equ);
while (lal--)
printf("%ld%s", *la++, lal? ",":"");
putchar('\n');
return;
}
if (special & SENSORS) {
struct sensor *s = (struct sensor *)buf;
if (size > 0 && (s->flags & SENSOR_FINVALID) == 0) {
if (!nflag)
printf("%s%s", string, equ);
print_sensor(s);
printf("\n");
}
return;
}
switch (type) {
case CTLTYPE_INT:
if (newsize == 0) {
if (!nflag)
(void)printf("%s%s", string, equ);
(void)printf("%d\n", *(int *)buf);
} else {
if (!qflag) {
if (!nflag)
(void)printf("%s: %d -> ", string,
*(int *)buf);
(void)printf("%d\n", *(int *)newval);
}
}
return;
case CTLTYPE_STRING:
if (newval == NULL) {
if (!nflag)
(void)printf("%s%s", string, equ);
(void)puts(buf);
} else {
if (!qflag) {
if (!nflag)
(void)printf("%s: %s -> ", string, buf);
(void)puts((char *)newval);
}
}
return;
case CTLTYPE_QUAD:
if (newsize == 0) {
long long tmp = *(quad_t *)buf;
if (!nflag)
(void)printf("%s%s", string, equ);
(void)printf("%lld\n", tmp);
} else {
long long tmp = *(quad_t *)buf;
if (!qflag) {
if (!nflag)
(void)printf("%s: %lld -> ",
string, tmp);
tmp = *(quad_t *)newval;
(void)printf("%qd\n", tmp);
}
}
return;
case CTLTYPE_STRUCT:
warnx("%s: unknown structure returned", string);
return;
default:
case CTLTYPE_NODE:
warnx("%s: unknown type returned", string);
return;
}
}
void
parse_baddynamic(int mib[], size_t len, char *string, void **newvalp,
size_t *newsizep, int flags, int nflag)
{
static u_int32_t newbaddynamic[DP_MAPSIZE];
in_port_t port;
size_t size;
char action, *cp;
const char *errstr;
if (strchr((char *)*newvalp, '+') || strchr((char *)*newvalp, '-')) {
size = sizeof(newbaddynamic);
if (sysctl(mib, len, newbaddynamic, &size, 0, 0) == -1) {
if (flags == 0)
return;
if (!nflag)
(void)printf("%s: ", string);
(void)puts("kernel does contain bad dynamic port tables");
return;
}
while (*newvalp && (cp = strsep((char **)newvalp, ", \t")) && *cp) {
if (*cp != '+' && *cp != '-')
errx(1, "cannot mix +/- with full list");
action = *cp++;
port = strtonum(cp, 0, 65535, &errstr);
if (errstr != NULL)
errx(1, "port is %s: %s", errstr, cp);
if (action == '+')
DP_SET(newbaddynamic, port);
else
DP_CLR(newbaddynamic, port);
}
} else {
(void)memset((void *)newbaddynamic, 0, sizeof(newbaddynamic));
while (*newvalp && (cp = strsep((char **)newvalp, ", \t")) && *cp) {
port = strtonum(cp, 0, 65535, &errstr);
if (errstr != NULL)
errx(1, "port is %s: %s", errstr, cp);
DP_SET(newbaddynamic, port);
}
}
*newvalp = (void *)newbaddynamic;
*newsizep = sizeof(newbaddynamic);
}
/*
* Initialize the set of debugging names
*/
void
debuginit(void)
{
int mib[3], loc, i;
size_t size;
if (secondlevel[CTL_DEBUG].list != 0)
return;
secondlevel[CTL_DEBUG].list = debugname;
mib[0] = CTL_DEBUG;
mib[2] = CTL_DEBUG_NAME;
for (loc = lastused, i = 0; i < CTL_DEBUG_MAXID; i++) {
mib[1] = i;
size = BUFSIZ - loc;
if (sysctl(mib, 3, &names[loc], &size, NULL, 0) == -1)
continue;
debugname[i].ctl_name = &names[loc];
debugname[i].ctl_type = CTLTYPE_INT;
loc += size;
}
lastused = loc;
}
struct ctlname vfsgennames[] = CTL_VFSGENCTL_NAMES;
struct ctlname ffsname[] = FFS_NAMES;
struct ctlname nfsname[] = FS_NFS_NAMES;
struct list *vfsvars;
int *vfs_typenums;
/*
* Initialize the set of filesystem names
*/
void
vfsinit(void)
{
int mib[4], maxtypenum, cnt, loc, size;
struct vfsconf vfc;
size_t buflen;
if (secondlevel[CTL_VFS].list != 0)
return;
mib[0] = CTL_VFS;
mib[1] = VFS_GENERIC;
mib[2] = VFS_MAXTYPENUM;
buflen = 4;
if (sysctl(mib, 3, &maxtypenum, &buflen, (void *)0, (size_t)0) < 0)
return;
maxtypenum++; /* + generic */
if ((vfs_typenums = calloc(maxtypenum, sizeof(int))) == NULL)
return;
if ((vfsvars = calloc(maxtypenum, sizeof(*vfsvars))) == NULL) {
free(vfs_typenums);
return;
}
if ((vfsname = calloc(maxtypenum, sizeof(*vfsname))) == NULL) {
free(vfs_typenums);
free(vfsvars);
return;
}
mib[2] = VFS_CONF;
buflen = sizeof vfc;
for (loc = lastused, cnt = 1; cnt < maxtypenum; cnt++) {
mib[3] = cnt - 1;
if (sysctl(mib, 4, &vfc, &buflen, (void *)0, (size_t)0) < 0) {
if (errno == EOPNOTSUPP)
continue;
warn("vfsinit");
free(vfsname);
free(vfsvars);
free(vfs_typenums);
return;
}
if (!strcmp(vfc.vfc_name, MOUNT_FFS)) {
vfsvars[cnt].list = ffsname;
vfsvars[cnt].size = FFS_MAXID;
}
if (!strcmp(vfc.vfc_name, MOUNT_NFS)) {
vfsvars[cnt].list = nfsname;
vfsvars[cnt].size = NFS_MAXID;
}
vfs_typenums[cnt] = vfc.vfc_typenum;
strlcat(&names[loc], vfc.vfc_name, sizeof names - loc);
vfsname[cnt].ctl_name = &names[loc];
vfsname[cnt].ctl_type = CTLTYPE_NODE;
size = strlen(vfc.vfc_name) + 1;
loc += size;
}
lastused = loc;
vfsname[0].ctl_name = "mounts";
vfsname[0].ctl_type = CTLTYPE_NODE;
vfsvars[0].list = vfsname + 1;
vfsvars[0].size = maxtypenum - 1;
secondlevel[CTL_VFS].list = vfsname;
secondlevel[CTL_VFS].size = maxtypenum;
return;
}
int
sysctl_vfsgen(char *string, char **bufpp, int mib[], int flags, int *typep)
{
int indx;
size_t size;
struct vfsconf vfc;
if (*bufpp == NULL) {
listall(string, vfsvars);
return (-1);
}
if ((indx = findname(string, "third", bufpp, vfsvars)) == -1)
return (-1);
mib[1] = VFS_GENERIC;
mib[2] = VFS_CONF;
mib[3] = indx;
size = sizeof vfc;
if (sysctl(mib, 4, &vfc, &size, (void *)0, (size_t)0) < 0) {
if (errno != EOPNOTSUPP)
warn("vfs print");
return -1;
}
if (flags == 0 && vfc.vfc_refcount == 0)
return -1;
if (!nflag)
fprintf(stdout, "%s has %d mounted instance%s\n",
string, vfc.vfc_refcount,
vfc.vfc_refcount != 1 ? "s" : "");
else
fprintf(stdout, "%d\n", vfc.vfc_refcount);
return -1;
}
int
sysctl_vfs(char *string, char **bufpp, int mib[], int flags, int *typep)
{
struct list *lp = &vfsvars[mib[1]];
int indx;
if (lp->list == NULL) {
if (flags)
warnx("No variables defined for file system %s", string);
return (-1);
}
if (*bufpp == NULL) {
listall(string, lp);
return (-1);
}
if ((indx = findname(string, "third", bufpp, lp)) == -1)
return (-1);
mib[1] = vfs_typenums[mib[1]];
mib[2] = indx;
*typep = lp->list[indx].ctl_type;
return (3);
}
struct ctlname posixname[] = CTL_FS_POSIX_NAMES;
struct list fslist = { posixname, FS_POSIX_MAXID };
/*
* handle file system requests
*/
int
sysctl_fs(char *string, char **bufpp, int mib[], int flags, int *typep)
{
int indx;
if (*bufpp == NULL) {
listall(string, &fslist);
return (-1);
}
if ((indx = findname(string, "third", bufpp, &fslist)) == -1)
return (-1);
mib[2] = indx;
*typep = fslist.list[indx].ctl_type;
return (3);
}
#ifdef CPU_BIOS
struct ctlname biosname[] = CTL_BIOS_NAMES;
struct list bioslist = { biosname, BIOS_MAXID };
/*
* handle BIOS requests
*/
int
sysctl_bios(char *string, char **bufpp, int mib[], int flags, int *typep)
{
char *name;
int indx;
if (*bufpp == NULL) {
listall(string, &bioslist);
return (-1);
}
if ((indx = findname(string, "third", bufpp, &bioslist)) == -1)
return (-1);
mib[2] = indx;
if (indx == BIOS_DISKINFO) {
if (*bufpp == NULL) {
char name[BUFSIZ];
/* scan all the bios devices */
for (indx = 0; indx < 256; indx++) {
snprintf(name, sizeof(name), "%s.%u",
string, indx);
parse(name, 1);
}
return (-1);
}
if ((name = strsep(bufpp, ".")) == NULL) {
warnx("%s: incomplete specification", string);
return (-1);
}
mib[3] = atoi(name);
*typep = CTLTYPE_STRUCT;
return (4);
} else {
*typep = bioslist.list[indx].ctl_type;
return (3);
}
}
#endif
struct ctlname swpencname[] = CTL_SWPENC_NAMES;
struct list swpenclist = { swpencname, SWPENC_MAXID };
/*
* handle swap encrypt requests
*/
int
sysctl_swpenc(char *string, char **bufpp, int mib[], int flags, int *typep)
{
int indx;
if (*bufpp == NULL) {
listall(string, &swpenclist);
return (-1);
}
if ((indx = findname(string, "third", bufpp, &swpenclist)) == -1)
return (-1);
mib[2] = indx;
*typep = swpenclist.list[indx].ctl_type;
return (3);
}
struct ctlname inetname[] = CTL_IPPROTO_NAMES;
struct ctlname ipname[] = IPCTL_NAMES;
struct ctlname icmpname[] = ICMPCTL_NAMES;
struct ctlname igmpname[] = IGMPCTL_NAMES;
struct ctlname ipipname[] = IPIPCTL_NAMES;
struct ctlname tcpname[] = TCPCTL_NAMES;
struct ctlname udpname[] = UDPCTL_NAMES;
struct ctlname espname[] = ESPCTL_NAMES;
struct ctlname ahname[] = AHCTL_NAMES;
struct ctlname etheripname[] = ETHERIPCTL_NAMES;
struct ctlname grename[] = GRECTL_NAMES;
struct ctlname mobileipname[] = MOBILEIPCTL_NAMES;
struct ctlname ipcompname[] = IPCOMPCTL_NAMES;
struct ctlname carpname[] = CARPCTL_NAMES;
struct ctlname pfsyncname[] = PFSYNCCTL_NAMES;
struct ctlname bpfname[] = CTL_NET_BPF_NAMES;
struct ctlname ifqname[] = CTL_IFQ_NAMES;
struct list inetlist = { inetname, IPPROTO_MAXID };
struct list inetvars[] = {
{ ipname, IPCTL_MAXID }, /* ip */
{ icmpname, ICMPCTL_MAXID }, /* icmp */
{ igmpname, IGMPCTL_MAXID }, /* igmp */
{ 0, 0 }, /* ggmp */
{ ipipname, IPIPCTL_MAXID }, /* ipencap */
{ 0, 0 },
{ tcpname, TCPCTL_MAXID }, /* tcp */
{ 0, 0 },
{ 0, 0 }, /* egp */
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 }, /* pup */
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ udpname, UDPCTL_MAXID }, /* udp */
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ grename, GRECTL_MAXID }, /* gre */
{ 0, 0 },
{ 0, 0 },
{ espname, ESPCTL_MAXID }, /* esp */
{ ahname, AHCTL_MAXID }, /* ah */
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ mobileipname, MOBILEIPCTL_MAXID }, /* mobileip */
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ etheripname, ETHERIPCTL_MAXID },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ ipcompname, IPCOMPCTL_MAXID },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ carpname, CARPCTL_MAXID },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ pfsyncname, PFSYNCCTL_MAXID },
};
struct list bpflist = { bpfname, NET_BPF_MAXID };
struct list ifqlist = { ifqname, IFQCTL_MAXID };
struct list kernmalloclist = { kernmallocname, KERN_MALLOC_MAXID };
struct list forkstatlist = { forkstatname, KERN_FORKSTAT_MAXID };
struct list nchstatslist = { nchstatsname, KERN_NCHSTATS_MAXID };
struct list ttylist = { ttysname, KERN_TTY_MAXID };
struct list semlist = { semname, KERN_SEMINFO_MAXID };
struct list shmlist = { shmname, KERN_SHMINFO_MAXID };
struct list watchdoglist = { watchdogname, KERN_WATCHDOG_MAXID };
struct list tclist = { tcname, KERN_TIMECOUNTER_MAXID };
/*
* handle vfs namei cache statistics
*/
int
sysctl_nchstats(char *string, char **bufpp, int mib[], int flags, int *typep)
{
static struct nchstats nch;
int indx;
size_t size;
static int keepvalue = 0;
if (*bufpp == NULL) {
bzero(&nch, sizeof(struct nchstats));
listall(string, &nchstatslist);
return (-1);
}
if ((indx = findname(string, "third", bufpp, &nchstatslist)) == -1)
return (-1);
mib[2] = indx;
if (*bufpp != NULL) {
warnx("fourth level name in %s is invalid", string);
return (-1);
}
if (keepvalue == 0) {
size = sizeof(struct nchstats);
if (sysctl(mib, 2, &nch, &size, NULL, 0) < 0)
return (-1);
keepvalue = 1;
}
if (!nflag)
(void)printf("%s%s", string, equ);
switch (indx) {
case KERN_NCHSTATS_GOODHITS:
(void)printf("%llu\n", nch.ncs_goodhits);
break;
case KERN_NCHSTATS_NEGHITS:
(void)printf("%llu\n", nch.ncs_neghits);
break;
case KERN_NCHSTATS_BADHITS:
(void)printf("%llu\n", nch.ncs_badhits);
break;
case KERN_NCHSTATS_FALSEHITS:
(void)printf("%llu\n", nch.ncs_falsehits);
break;
case KERN_NCHSTATS_MISS:
(void)printf("%llu\n", nch.ncs_miss);
break;
case KERN_NCHSTATS_LONG:
(void)printf("%llu\n", nch.ncs_long);
break;
case KERN_NCHSTATS_PASS2:
(void)printf("%llu\n", nch.ncs_pass2);
break;
case KERN_NCHSTATS_2PASSES:
(void)printf("%llu\n", nch.ncs_2passes);
break;
case KERN_NCHSTATS_REVHITS:
(void)printf("%llu\n", nch.ncs_revhits);
break;
case KERN_NCHSTATS_REVMISS:
(void)printf("%llu\n", nch.ncs_revmiss);
break;
case KERN_NCHSTATS_DOTHITS:
(void)printf("%llu\n", nch.ncs_dothits);
break;
case KERN_NCHSTATS_DOTDOTHITS:
(void)printf("%llu\n", nch.ncs_dotdothits);
break;
}
return (-1);
}
/*
* handle tty statistics
*/
int
sysctl_tty(char *string, char **bufpp, int mib[], int flags, int *typep)
{
int indx;
if (*bufpp == NULL) {
listall(string, &ttylist);
return (-1);
}
if ((indx = findname(string, "third", bufpp, &ttylist)) == -1)
return (-1);
mib[2] = indx;
if ((*typep = ttylist.list[indx].ctl_type) == CTLTYPE_STRUCT) {
if (flags)
warnx("use pstat -t to view %s information",
string);
return (-1);
}
return (3);
}
/*
* handle fork statistics
*/
int
sysctl_forkstat(char *string, char **bufpp, int mib[], int flags, int *typep)
{
static struct forkstat fks;
static int keepvalue = 0;
int indx;
size_t size;
if (*bufpp == NULL) {
bzero(&fks, sizeof(struct forkstat));
listall(string, &forkstatlist);
return (-1);
}
if ((indx = findname(string, "third", bufpp, &forkstatlist)) == -1)
return (-1);
if (*bufpp != NULL) {
warnx("fourth level name in %s is invalid", string);
return (-1);
}
if (keepvalue == 0) {
size = sizeof(struct forkstat);
if (sysctl(mib, 2, &fks, &size, NULL, 0) < 0)
return (-1);
keepvalue = 1;
}
if (!nflag)
(void)printf("%s%s", string, equ);
switch (indx) {
case KERN_FORKSTAT_FORK:
(void)printf("%d\n", fks.cntfork);
break;
case KERN_FORKSTAT_VFORK:
(void)printf("%d\n", fks.cntvfork);
break;
case KERN_FORKSTAT_RFORK:
(void)printf("%d\n", fks.cntrfork);
break;
case KERN_FORKSTAT_KTHREAD:
(void)printf("%d\n", fks.cntkthread);
break;
case KERN_FORKSTAT_SIZFORK:
(void)printf("%d\n", fks.sizfork);
break;
case KERN_FORKSTAT_SIZVFORK:
(void)printf("%d\n", fks.sizvfork);
break;
case KERN_FORKSTAT_SIZRFORK:
(void)printf("%d\n", fks.sizrfork);
break;
case KERN_FORKSTAT_SIZKTHREAD:
(void)printf("%d\n", fks.sizkthread);
break;
}
return (-1);
}
/*
* handle malloc statistics
*/
int
sysctl_malloc(char *string, char **bufpp, int mib[], int flags, int *typep)
{
int indx, stor, i;
char *name, bufp[SYSCTL_BUFSIZ], *buf, *ptr;
struct list lp;
size_t size;
if (*bufpp == NULL) {
listall(string, &kernmalloclist);
return (-1);
}
if ((indx = findname(string, "third", bufpp, &kernmalloclist)) == -1)
return (-1);
mib[2] = indx;
if (mib[2] == KERN_MALLOC_BUCKET) {
if ((name = strsep(bufpp, ".")) == NULL) {
size = SYSCTL_BUFSIZ;
stor = mib[2];
mib[2] = KERN_MALLOC_BUCKETS;
buf = bufp;
if (sysctl(mib, 3, buf, &size, NULL, 0) < 0)
return (-1);
mib[2] = stor;
for (stor = 0, i = 0; i < size; i++)
if (buf[i] == ',')
stor++;
lp.list = calloc(stor + 2, sizeof(struct ctlname));
if (lp.list == NULL)
return (-1);
lp.size = stor + 2;
for (i = 1;
(lp.list[i].ctl_name = strsep(&buf, ",")) != NULL;
i++) {
lp.list[i].ctl_type = CTLTYPE_STRUCT;
}
lp.list[i].ctl_name = buf;
lp.list[i].ctl_type = CTLTYPE_STRUCT;
listall(string, &lp);
free(lp.list);
return (-1);
}
mib[3] = atoi(name);
return (4);
} else if (mib[2] == KERN_MALLOC_BUCKETS) {
*typep = CTLTYPE_STRING;
return (3);
} else if (mib[2] == KERN_MALLOC_KMEMSTATS) {
size = SYSCTL_BUFSIZ;
stor = mib[2];
mib[2] = KERN_MALLOC_KMEMNAMES;
buf = bufp;
if (sysctl(mib, 3, buf, &size, NULL, 0) < 0)
return (-1);
mib[2] = stor;
if ((name = strsep(bufpp, ".")) == NULL) {
for (stor = 0, i = 0; i < size; i++)
if (buf[i] == ',')
stor++;
lp.list = calloc(stor + 2, sizeof(struct ctlname));
if (lp.list == NULL)
return (-1);
lp.size = stor + 2;
for (i = 1;
(lp.list[i].ctl_name = strsep(&buf, ",")) != NULL;
i++) {
if (lp.list[i].ctl_name[0] == '\0') {
i--;
continue;
}
lp.list[i].ctl_type = CTLTYPE_STRUCT;
}
lp.list[i].ctl_name = buf;
lp.list[i].ctl_type = CTLTYPE_STRUCT;
listall(string, &lp);
free(lp.list);
return (-1);
}
ptr = strstr(buf, name);
tryagain:
if (ptr == NULL) {
warnx("fourth level name %s in %s is invalid", name,
string);
return (-1);
}
if ((*(ptr + strlen(name)) != ',') &&
(*(ptr + strlen(name)) != '\0')) {
ptr = strstr(ptr + 1, name); /* retry */
goto tryagain;
}
if ((ptr != buf) && (*(ptr - 1) != ',')) {
ptr = strstr(ptr + 1, name); /* retry */
goto tryagain;
}
for (i = 0, stor = 0; buf + i < ptr; i++)
if (buf[i] == ',')
stor++;
mib[3] = stor;
return (4);
} else if (mib[2] == KERN_MALLOC_KMEMNAMES) {
*typep = CTLTYPE_STRING;
return (3);
}
return (-1);
}
#ifdef CPU_CHIPSET
/*
* handle machdep.chipset requests
*/
struct ctlname chipsetname[] = CTL_CHIPSET_NAMES;
struct list chipsetlist = { chipsetname, CPU_CHIPSET_MAXID };
int
sysctl_chipset(char *string, char **bufpp, int mib[], int flags, int *typep)
{
int indx, bwx;
static void *q;
size_t len;
char *p;
if (*bufpp == NULL) {
listall(string, &chipsetlist);
return (-1);
}
if ((indx = findname(string, "third", bufpp, &chipsetlist)) == -1)
return (-1);
mib[2] = indx;
if (!nflag)
printf("%s%s", string, equ);
switch(mib[2]) {
case CPU_CHIPSET_MEM:
case CPU_CHIPSET_DENSE:
case CPU_CHIPSET_PORTS:
case CPU_CHIPSET_HAE_MASK:
len = sizeof(void *);
if (sysctl(mib, 3, &q, &len, NULL, 0) < 0)
goto done;
printf("%p", q);
break;
case CPU_CHIPSET_BWX:
len = sizeof(int);
if (sysctl(mib, 3, &bwx, &len, NULL, 0) < 0)
goto done;
printf("%d", bwx);
break;
case CPU_CHIPSET_TYPE:
if (sysctl(mib, 3, NULL, &len, NULL, 0) < 0)
goto done;
p = malloc(len + 1);
if (p == NULL)
goto done;
if (sysctl(mib, 3, p, &len, NULL, 0) < 0) {
free(p);
goto done;
}
p[len] = '\0';
printf("%s", p);
free(p);
break;
}
done:
printf("\n");
return (-1);
}
#endif
/*
* handle internet requests
*/
int
sysctl_inet(char *string, char **bufpp, int mib[], int flags, int *typep)
{
struct list *lp;
int indx;
if (*bufpp == NULL) {
listall(string, &inetlist);
return (-1);
}
if ((indx = findname(string, "third", bufpp, &inetlist)) == -1)
return (-1);
mib[2] = indx;
if (indx < IPPROTO_MAXID && inetvars[indx].list != NULL)
lp = &inetvars[indx];
else if (!flags)
return (-1);
else {
warnx("%s: no variables defined for this protocol", string);
return (-1);
}
if (*bufpp == NULL) {
listall(string, lp);
return (-1);
}
if ((indx = findname(string, "fourth", bufpp, lp)) == -1)
return (-1);
mib[3] = indx;
*typep = lp->list[indx].ctl_type;
if (*typep == CTLTYPE_NODE) {
int tindx;
if (*bufpp == NULL) {
listall(string, &ifqlist);
return(-1);
}
lp = &ifqlist;
if ((tindx = findname(string, "fifth", bufpp, lp)) == -1)
return (-1);
mib[4] = tindx;
*typep = lp->list[tindx].ctl_type;
return(5);
}
return (4);
}
#ifdef INET6
struct ctlname inet6name[] = CTL_IPV6PROTO_NAMES;
struct ctlname ip6name[] = IPV6CTL_NAMES;
struct ctlname icmp6name[] = ICMPV6CTL_NAMES;
struct ctlname pim6name[] = PIM6CTL_NAMES;
struct list inet6list = { inet6name, IPV6PROTO_MAXID };
struct list inet6vars[] = {
/*0*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
/*10*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
/*20*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
/*30*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
/*40*/ { 0, 0 },
{ ip6name, IPV6CTL_MAXID }, /* ipv6 */
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
/*50*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ icmp6name, ICMPV6CTL_MAXID }, /* icmp6 */
{ 0, 0 },
/*60*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
/*70*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
/*80*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
/*90*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
/*100*/ { 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ pim6name, PIM6CTL_MAXID }, /* pim6 */
};
/*
* handle internet6 requests
*/
int
sysctl_inet6(char *string, char **bufpp, int mib[], int flags, int *typep)
{
struct list *lp;
int indx;
if (*bufpp == NULL) {
listall(string, &inet6list);
return (-1);
}
if ((indx = findname(string, "third", bufpp, &inet6list)) == -1)
return (-1);
mib[2] = indx;
if (indx < IPV6PROTO_MAXID && inet6vars[indx].list != NULL)
lp = &inet6vars[indx];
else if (!flags)
return (-1);
else {
warnx("%s: no variables defined for this protocol", string);
return (-1);
}
if (*bufpp == NULL) {
listall(string, lp);
return (-1);
}
if ((indx = findname(string, "fourth", bufpp, lp)) == -1)
return (-1);
mib[3] = indx;
*typep = lp->list[indx].ctl_type;
return (4);
}
#endif
/* handle bpf requests */
int
sysctl_bpf(char *string, char **bufpp, int mib[], int flags, int *typep)
{
int indx;
if (*bufpp == NULL) {
listall(string, &bpflist);
return (-1);
}
if ((indx = findname(string, "third", bufpp, &bpflist)) == -1)
return (-1);
mib[2] = indx;
*typep = CTLTYPE_INT;
return (3);
}
struct ctlname mplsname[] = MPLSCTL_NAMES;
struct list mplslist = { mplsname, MPLSCTL_MAXID };
/* handle MPLS requests */
int
sysctl_mpls(char *string, char **bufpp, int mib[], int flags, int *typep)
{
struct list *lp;
int indx;
if (*bufpp == NULL) {
listall(string, &mplslist);
return (-1);
}
if ((indx = findname(string, "third", bufpp, &mplslist)) == -1)
return (-1);
mib[2] = indx;
*typep = mplslist.list[indx].ctl_type;
if (*typep == CTLTYPE_NODE) {
int tindx;
if (*bufpp == NULL) {
listall(string, &ifqlist);
return(-1);
}
lp = &ifqlist;
if ((tindx = findname(string, "fourth", bufpp, lp)) == -1)
return (-1);
mib[3] = tindx;
*typep = lp->list[tindx].ctl_type;
return(4);
}
return (3);
}
/*
* Handle SysV semaphore info requests
*/
int
sysctl_seminfo(string, bufpp, mib, flags, typep)
char *string;
char **bufpp;
int mib[];
int flags;
int *typep;
{
int indx;
if (*bufpp == NULL) {
listall(string, &semlist);
return (-1);
}
if ((indx = findname(string, "third", bufpp, &semlist)) == -1)
return (-1);
mib[2] = indx;
*typep = CTLTYPE_INT;
return (3);
}
/*
* Handle SysV shared memory info requests
*/
int
sysctl_shminfo(string, bufpp, mib, flags, typep)
char *string;
char **bufpp;
int mib[];
int flags;
int *typep;
{
int indx;
if (*bufpp == NULL) {
listall(string, &shmlist);
return (-1);
}
if ((indx = findname(string, "third", bufpp, &shmlist)) == -1)
return (-1);
mib[2] = indx;
*typep = CTLTYPE_INT;
return (3);
}
/*
* Handle watchdog support
*/
int
sysctl_watchdog(char *string, char **bufpp, int mib[], int flags,
int *typep)
{
int indx;
if (*bufpp == NULL) {
listall(string, &watchdoglist);
return (-1);
}
if ((indx = findname(string, "third", bufpp, &watchdoglist)) == -1)
return (-1);
mib[2] = indx;
*typep = watchdoglist.list[indx].ctl_type;
return (3);
}
/*
* Handle timecounter support
*/
int
sysctl_tc(char *string, char **bufpp, int mib[], int flags,
int *typep)
{
int indx;
if (*bufpp == NULL) {
listall(string, &tclist);
return (-1);
}
if ((indx = findname(string, "third", bufpp, &tclist)) == -1)
return (-1);
mib[2] = indx;
*typep = tclist.list[indx].ctl_type;
return (3);
}
/*
* Handle hardware monitoring sensors support
*/
int
sysctl_sensors(char *string, char **bufpp, int mib[], int flags, int *typep)
{
char *devname, *typename;
int dev, numt, i;
enum sensor_type type;
struct sensordev snsrdev;
size_t sdlen = sizeof(snsrdev);
if (*bufpp == NULL) {
char buf[SYSCTL_BUFSIZ];
/* scan all sensor devices */
for (dev = 0; dev < MAXSENSORDEVICES; dev++) {
mib[2] = dev;
if (sysctl(mib, 3, &snsrdev, &sdlen, NULL, 0) == -1)
continue;
snprintf(buf, sizeof(buf), "%s.%s",
string, snsrdev.xname);
print_sensordev(buf, mib, 3, &snsrdev);
}
return (-1);
}
/*
* If we get this far, it means that some arguments were
* provided below hw.sensors tree.
* The first branch of hw.sensors tree is the device name.
*/
if ((devname = strsep(bufpp, ".")) == NULL) {
warnx("%s: incomplete specification", string);
return (-1);
}
/* convert sensor device string to an integer */
for (dev = 0; dev < MAXSENSORDEVICES; dev++) {
mib[2] = dev;
if (sysctl(mib, 3, &snsrdev, &sdlen, NULL, 0) == -1)
continue;
if (strcmp(devname, snsrdev.xname) == 0)
break;
}
if (strcmp(devname, snsrdev.xname) != 0) {
warnx("%s: sensor device not found: %s", string, devname);
return (-1);
}
if (*bufpp == NULL) {
/* only device name was provided -- let's print all sensors
* that are attached to the specified device
*/
print_sensordev(string, mib, 3, &snsrdev);
return (-1);
}
/*
* At this point we have identified the sensor device,
* now let's go further and identify sensor type.
*/
if ((typename = strsep(bufpp, ".")) == NULL) {
warnx("%s: incomplete specification", string);
return (-1);
}
numt = -1;
for (i = 0; typename[i] != '\0'; i++)
if (isdigit(typename[i])) {
numt = atoi(&typename[i]);
typename[i] = '\0';
break;
}
for (type = 0; type < SENSOR_MAX_TYPES; type++)
if (strcmp(typename, sensor_type_s[type]) == 0)
break;
if (type == SENSOR_MAX_TYPES) {
warnx("%s: sensor type not recognised: %s", string, typename);
return (-1);
}
mib[3] = type;
/*
* If no integer was provided after sensor_type, let's
* print all sensors of the specified type.
*/
if (numt == -1) {
print_sensordev(string, mib, 4, &snsrdev);
return (-1);
}
/*
* At this point we know that we have received a direct request
* via command-line for a specific sensor. Let's have the parse()
* function deal with it further, and report any errors if such
* sensor node does not exist.
*/
mib[4] = numt;
*typep = CTLTYPE_STRUCT;
return (5);
}
/*
* Print sensors from the specified device.
*/
void
print_sensordev(char *string, int mib[], u_int mlen, struct sensordev *snsrdev)
{
char buf[SYSCTL_BUFSIZ];
enum sensor_type type;
if (mlen == 3) {
for (type = 0; type < SENSOR_MAX_TYPES; type++) {
mib[3] = type;
snprintf(buf, sizeof(buf), "%s.%s",
string, sensor_type_s[type]);
print_sensordev(buf, mib, mlen+1, snsrdev);
}
return;
}
if (mlen == 4) {
int numt;
type = mib[3];
for (numt = 0; numt < snsrdev->maxnumt[type]; numt++) {
mib[4] = numt;
snprintf(buf, sizeof(buf), "%s%u", string, numt);
print_sensordev(buf, mib, mlen+1, snsrdev);
}
return;
}
if (mlen == 5) {
struct sensor snsr;
size_t slen = sizeof(snsr);
/* this function is only printing sensors in bulk, so we
* do not return any error messages if the requested sensor
* is not found by sysctl(3)
*/
if (sysctl(mib, 5, &snsr, &slen, NULL, 0) == -1)
return;
if (slen > 0 && (snsr.flags & SENSOR_FINVALID) == 0) {
if (!nflag)
printf("%s%s", string, equ);
print_sensor(&snsr);
printf("\n");
}
return;
}
}
void
print_sensor(struct sensor *s)
{
const char *name;
if (s->flags & SENSOR_FUNKNOWN)
printf("unknown");
else {
switch (s->type) {
case SENSOR_TEMP:
printf("%.2f degC",
(s->value - 273150000) / 1000000.0);
break;
case SENSOR_FANRPM:
printf("%lld RPM", s->value);
break;
case SENSOR_VOLTS_DC:
printf("%.2f VDC", s->value / 1000000.0);
break;
case SENSOR_AMPS:
printf("%.2f A", s->value / 1000000.0);
break;
case SENSOR_WATTHOUR:
printf("%.2f Wh", s->value / 1000000.0);
break;
case SENSOR_AMPHOUR:
printf("%.2f Ah", s->value / 1000000.0);
break;
case SENSOR_INDICATOR:
printf("%s", s->value ? "On" : "Off");
break;
case SENSOR_INTEGER:
printf("%lld", s->value);
break;
case SENSOR_PERCENT:
printf("%.2f%%", s->value / 1000.0);
break;
case SENSOR_LUX:
printf("%.2f lx", s->value / 1000000.0);
break;
case SENSOR_DRIVE:
switch (s->value) {
case SENSOR_DRIVE_EMPTY:
name = "empty";
break;
case SENSOR_DRIVE_READY:
name = "ready";
break;
case SENSOR_DRIVE_POWERUP:
name = "powering up";
break;
case SENSOR_DRIVE_ONLINE:
name = "online";
break;
case SENSOR_DRIVE_IDLE:
name = "idle";
break;
case SENSOR_DRIVE_ACTIVE:
name = "active";
break;
case SENSOR_DRIVE_REBUILD:
name = "rebuilding";
break;
case SENSOR_DRIVE_POWERDOWN:
name = "powering down";
break;
case SENSOR_DRIVE_FAIL:
name = "failed";
break;
case SENSOR_DRIVE_PFAIL:
name = "degraded";
break;
default:
name = "unknown";
break;
}
printf(name);
break;
case SENSOR_TIMEDELTA:
printf("%.6f secs", s->value / 1000000000.0);
break;
default:
printf("unknown");
}
}
if (s->desc[0] != '\0')
printf(" (%s)", s->desc);
switch (s->status) {
case SENSOR_S_UNSPEC:
break;
case SENSOR_S_OK:
printf(", OK");
break;
case SENSOR_S_WARN:
printf(", WARNING");
break;
case SENSOR_S_CRIT:
printf(", CRITICAL");
break;
case SENSOR_S_UNKNOWN:
printf(", UNKNOWN");
break;
}
if (s->tv.tv_sec) {
time_t t = s->tv.tv_sec;
char ct[26];
ctime_r(&t, ct);
ct[19] = '\0';
printf(", %s.%03ld", ct, s->tv.tv_usec / 1000);
}
}
struct emulname {
char *name;
int index;
} *emul_names;
int emul_num, nemuls;
int emul_init(void);
int
sysctl_emul(char *string, char *newval, int flags)
{
int mib[4], enabled, i, old, print, found = 0;
char *head, *target;
size_t len;
if (emul_init() == -1) {
warnx("emul_init: out of memory");
return (1);
}
mib[0] = CTL_KERN;
mib[1] = KERN_EMUL;
mib[3] = KERN_EMUL_ENABLED;
head = "kern.emul.";
if (aflag || strcmp(string, "kern.emul") == 0) {
if (newval) {
warnx("%s: specification is incomplete", string);
return (1);
}
if (nflag)
printf("%d\n", nemuls);
else
printf("%snemuls%s%d\n", head, equ, nemuls);
for (i = 0; i < emul_num; i++) {
if (emul_names[i].name == NULL)
break;
if (i > 0 && strcmp(emul_names[i].name,
emul_names[i-1].name) == 0)
continue;
mib[2] = emul_names[i].index;
len = sizeof(int);
if (sysctl(mib, 4, &enabled, &len, NULL, 0) == -1) {
warn("%s", string);
continue;
}
if (nflag)
printf("%d\n", enabled);
else
printf("%s%s%s%d\n", head, emul_names[i].name,
equ, enabled);
}
return (0);
}
/* User specified a third level name */
target = strrchr(string, '.');
target++;
if (strcmp(target, "nemuls") == 0) {
if (newval) {
warnx("Operation not permitted");
return (1);
}
if (nflag)
printf("%d\n", nemuls);
else
printf("%snemuls = %d\n", head, nemuls);
return (0);
}
print = 1;
for (i = 0; i < emul_num; i++) {
if (!emul_names[i].name || (strcmp(target, emul_names[i].name)))
continue;
found = 1;
mib[2] = emul_names[i].index;
len = sizeof(int);
if (newval) {
enabled = atoi(newval);
if (sysctl(mib, 4, &old, &len, &enabled, len) == -1) {
warn("%s", string);
print = 0;
continue;
}
if (print) {
if (nflag)
printf("%d\n", enabled);
else
printf("%s%s: %d -> %d\n", head,
target, old, enabled);
}
} else {
if (sysctl(mib, 4, &enabled, &len, NULL, 0) == -1) {
warn("%s", string);
continue;
}
if (print) {
if (nflag)
printf("%d\n", enabled);
else
printf("%s%s = %d\n", head, target,
enabled);
}
}
print = 0;
}
if (!found)
warnx("third level name %s in kern.emul is invalid",
string);
return (0);
}
int
emulcmp(const void *m, const void *n)
{
const struct emulname *a = m, *b = n;
if (!a || !a->name)
return 1;
if (!b || !b->name)
return -1;
return (strcmp(a->name, b->name));
}
int
emul_init(void)
{
static int done;
char string[16];
int mib[4], i;
size_t len;
if (done)
return (0);
done = 1;
mib[0] = CTL_KERN;
mib[1] = KERN_EMUL;
mib[2] = KERN_EMUL_NUM;
len = sizeof(int);
if (sysctl(mib, 3, &emul_num, &len, NULL, 0) == -1)
return (-1);
emul_names = calloc(emul_num, sizeof(*emul_names));
if (emul_names == NULL)
return (-1);
nemuls = emul_num;
for (i = 0; i < emul_num; i++) {
emul_names[i].index = mib[2] = i + 1;
mib[3] = KERN_EMUL_NAME;
len = sizeof(string);
if (sysctl(mib, 4, string, &len, NULL, 0) == -1)
continue;
if (strcmp(string, "native") == 0)
continue;
emul_names[i].name = strdup(string);
if (emul_names[i].name == NULL) {
free(emul_names);
return (-1);
}
}
qsort(emul_names, nemuls, sizeof(*emul_names), emulcmp);
for (i = 0; i < emul_num; i++) {
if (!emul_names[i].name || (i > 0 &&
strcmp(emul_names[i].name, emul_names[i - 1].name) == 0))
nemuls--;
}
return (0);
}
/*
* Scan a list of names searching for a particular name.
*/
int
findname(char *string, char *level, char **bufp, struct list *namelist)
{
char *name;
int i;
if (namelist->list == 0 || (name = strsep(bufp, ".")) == NULL) {
warnx("%s: incomplete specification", string);
return (-1);
}
for (i = 0; i < namelist->size; i++)
if (namelist->list[i].ctl_name != NULL &&
strcmp(name, namelist->list[i].ctl_name) == 0)
break;
if (i == namelist->size) {
warnx("%s level name %s in %s is invalid", level, name, string);
return (-1);
}
return (i);
}
void
usage(void)
{
(void)fprintf(stderr,
"usage: sysctl [-Aan]\n"
" sysctl [-n] name ...\n"
" sysctl [-nq] name=value ...\n");
exit(1);
}