/* $OpenBSD: sysctl.c,v 1.200 2014/04/08 14:04:11 mpi 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. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef INET6 #include #include #include #include #include #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef CPU_BIOS #include #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 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 { 0, 0 }, /* was CTL_USER */ { 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_pipex(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((unsigned char)*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: if (flags == 0) return; warnx("use pstat to view %s information", string); return; case KERN_PROC: 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_INTRCNT: if (flags == 0) return; warnx("use vmstat or systat to view %s information", string); return; 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_FILE: if (flags == 0) return; warnx("use fstat to view %s information", string); return; case KERN_CONSDEV: special |= CHRDEV; break; case KERN_NETLIVELOCKS: special |= UNSIGNED; break; } 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) || (mib[2] == IPPROTO_DIVERT && mib[3] == DIVERTCTL_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) || (mib[2] == IPPROTO_DIVERT && mib[3] == DIVERT6CTL_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 (mib[1] == PF_PIPEX) { len = sysctl_pipex(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_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("%lld\n", (long long)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); printf("tot: %llu used: %llu read: %llu stirs: %llu" " enqs: %llu deqs: %llu drops: %llu ledrops: %llu", rndstats->rnd_total, rndstats->rnd_used, rndstats->arc4_reads, rndstats->arc4_nstirs, rndstats->rnd_enqs, rndstats->rnd_deqs, rndstats->rnd_drops, rndstats->rnd_drople); printf(" ed:"); for (i = 0; i < sizeof(rndstats->rnd_ed)/sizeof(rndstats->rnd_ed[0]); i++) printf(" %llu", (unsigned long long)rndstats->rnd_ed[i]); printf(" sc:"); for (i = 0; i < sizeof(rndstats->rnd_sc)/sizeof(rndstats->rnd_sc[0]); i++) printf(" %llu", (unsigned long long)rndstats->rnd_sc[i]); printf(" sb:"); for (i = 0; i < sizeof(rndstats->rnd_sb)/sizeof(rndstats->rnd_sb[0]); i++) 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; } } static void parse_ports(char *portspec, int *port, int *high_port) { char *dash; const char *errstr; if ((dash = strchr(portspec, '-')) != NULL) *dash++ = '\0'; *port = strtonum(portspec, 0, 65535, &errstr); if (errstr != NULL) errx(1, "port is %s: %s", errstr, portspec); if (dash != NULL) { *high_port = strtonum(dash, 0, 65535, &errstr); if (errstr != NULL) errx(1, "high port is %s: %s", errstr, dash); if (*high_port < *port) errx(1, "high port %d is lower than %d", *high_port, *port); } else *high_port = *port; } 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]; int port, high_port, baddynamic_loaded = 0, full_list_set = 0; size_t size; char action, *cp; while (*newvalp && (cp = strsep((char **)newvalp, ", \t")) && *cp) { if (*cp == '+' || *cp == '-') { if (full_list_set) errx(1, "cannot mix +/- with full list"); action = *cp++; if (!baddynamic_loaded) { size = sizeof(newbaddynamic); if (sysctl(mib, len, newbaddynamic, &size, 0, 0) == -1) { if (flags == 0) return; if (!nflag) printf("%s: ", string); puts("kernel does contain bad dynamic " "port tables"); return; } baddynamic_loaded = 1; } parse_ports(cp, &port, &high_port); for (; port <= high_port; port++) { if (action == '+') DP_SET(newbaddynamic, port); else DP_CLR(newbaddynamic, port); } } else { if (baddynamic_loaded) errx(1, "cannot mix +/- with full list"); if (!full_list_set) { bzero(newbaddynamic, sizeof(newbaddynamic)); full_list_set = 1; } parse_ports(cp, &port, &high_port); for (; port <= high_port; port++) 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 ctlname fusefsname[] = FUSEFS_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; /* * We need to do 0..maxtypenum so add one, and then we offset them * all by (another) one by inserting VFS_GENERIC entries at zero */ maxtypenum += 2; 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; } if (!strcmp(vfc.vfc_name, MOUNT_FUSEFS)) { vfsvars[cnt].list = fusefsname; vfsvars[cnt].size = FUSEFS_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 divertname[] = DIVERTCTL_NAMES; struct ctlname bpfname[] = CTL_NET_BPF_NAMES; struct ctlname ifqname[] = CTL_IFQ_NAMES; struct ctlname pipexname[] = PIPEXCTL_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 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { divertname, DIVERTCTL_MAXID }, }; struct list bpflist = { bpfname, NET_BPF_MAXID }; struct list ifqlist = { ifqname, IFQCTL_MAXID }; struct list pipexlist = { pipexname, PIPEXCTL_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_TFORK: (void)printf("%d\n", fks.cnttfork); 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_SIZTFORK: (void)printf("%d\n", fks.siztfork); 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 ctlname divert6name[] = DIVERT6CTL_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 */ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, /*110*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, /*120*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, /*130*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, /*140*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, /*150*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, /*160*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, /*170*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, /*180*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, /*190*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, /*200*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, /*210*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, /*220*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, /*230*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, /*240*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, /*250*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { divert6name, DIVERT6CTL_MAXID }, }; /* * 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 PIPEX requests */ int sysctl_pipex(char *string, char **bufpp, int mib[], int flags, int *typep) { struct list *lp; int indx; if (*bufpp == NULL) { listall(string, &pipexlist); return (-1); } if ((indx = findname(string, "third", bufpp, &pipexlist)) == -1) return (-1); mib[2] = indx; *typep = pipexlist.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++) { mib[2] = dev; if (sysctl(mib, 3, &snsrdev, &sdlen, NULL, 0) == -1) { if (errno == ENXIO) continue; if (errno == ENOENT) break; } 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++) { mib[2] = dev; if (sysctl(mib, 3, &snsrdev, &sdlen, NULL, 0) == -1) { if (errno == ENXIO) continue; if (errno == ENOENT) break; } 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((unsigned char)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_VOLTS_AC: printf("%.2f VAC", s->value / 1000000.0); break; case SENSOR_OHMS: printf("%lld ohm", s->value); break; case SENSOR_WATTS: printf("%.2f W", 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; case SENSOR_HUMIDITY: printf("%.2f%%", s->value / 1000.0); break; case SENSOR_FREQ: printf("%.2f Hz", s->value / 1000000.0); break; case SENSOR_ANGLE: printf("%3.4f degrees", s->value / 1000000.0); break; case SENSOR_DISTANCE: printf("%.2f mm", s->value / 1000.0); break; case SENSOR_PRESSURE: printf("%.2f Pa", s->value / 1000.0); break; case SENSOR_ACCEL: printf("%2.4f m/s^2", s->value / 1000000.0); 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); } static 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); }