/* $OpenBSD: sysctl.c,v 1.84 2002/07/06 19:14:20 nordin 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. 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 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 char sccsid[] = "@(#)sysctl.c 8.5 (Berkeley) 5/9/95"; #else static char *rcsid = "$OpenBSD: sysctl.c,v 1.84 2002/07/06 19:14:20 nordin Exp $"; #endif #endif /* not lint */ #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 #endif #include #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 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 ttyname[] = CTL_KERN_TTY_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; 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, wflag; /* * 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 /* 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_ipx(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 *); #ifdef CPU_CHIPSET int sysctl_chipset(char *, char **, int *, int, int *); #endif void vfsinit(void); int main(int argc, char *argv[]) { int ch, lvl1; while ((ch = getopt(argc, argv, "Aanw")) != -1) { switch (ch) { case 'A': Aflag = 1; break; case 'a': aflag = 1; break; case 'n': nflag = 1; break; case 'w': wflag = 1; 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); } if (argc == 0) usage(); 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)) warn("%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 = 0; int64_t quadval; struct list *lp; int mib[CTL_MAXNAME]; char *cp, *bufp, buf[BUFSIZ]; (void)strlcpy(buf, string, sizeof(buf)); bufp = buf; if ((cp = strchr(string, '=')) != NULL) { if (!wflag) errx(2, "must specify -w to set variables"); *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; newsize = 0; 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: 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; } 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; } break; case CTL_VM: if (mib[1] == VM_LOADAVG) { double loads[3]; getloadavg(loads, 3); if (!nflag) (void)printf("%s = ", string); (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 = ", string); (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_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; break; } #endif if (mib[1] == PF_IPX) { len = sysctl_ipx(string, &bufp, mib, flags, &type); if (len >= 0) break; return; } 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 = 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 = ", string); 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 = ", string); (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 = ", string); (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", string, 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\n", string, 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\n", string, 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 = ", string); (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 = ", string); (void) printf("0x%02x\n", dev); return; } #endif if (special & UNSIGNED) { if (newsize == 0) { if (!nflag) (void)printf("%s = ", string); (void)printf("%u\n", *(u_int *)buf); } else { 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 = ", string); (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) { in_port_t port, lastport; u_int32_t *baddynamic = (u_int32_t *)buf; if (!nflag) (void)printf("%s%s", string, newsize ? ": " : " = "); lastport = 0; for (port = IPPORT_RESERVED/2; port < IPPORT_RESERVED; port++) if (DP_ISSET(baddynamic, port)) { (void)printf("%s%hd", lastport ? "," : "", port); lastport = port; } if (newsize != 0) { if (!nflag) fputs(" -> ", stdout); baddynamic = (u_int32_t *)newval; lastport = 0; for (port = IPPORT_RESERVED/2; port < IPPORT_RESERVED; port++) if (DP_ISSET(baddynamic, port)) { (void)printf("%s%hd", lastport ? "," : "", port); lastport = port; } } (void)putchar('\n'); return; } if (special & LONGARRAY) { long *la = (long *)buf; if (!nflag) printf("%s = ", string); while (lal--) printf("%ld%s", *la++, lal? ",":""); putchar('\n'); return; } switch (type) { case CTLTYPE_INT: if (newsize == 0) { if (!nflag) (void)printf("%s = ", string); (void)printf("%d\n", *(int *)buf); } else { 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 = ", string); (void)puts(buf); } else { 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 = ", string); (void)printf("%lld\n", tmp); } else { long long tmp = *(quad_t *)buf; 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; 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 = atoi(cp); if (port < IPPORT_RESERVED/2 || port >= IPPORT_RESERVED) errx(1, "invalid port, range is %d to %d", IPPORT_RESERVED/2, IPPORT_RESERVED-1); 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 = atoi(cp); if (port < IPPORT_RESERVED/2 || port >= IPPORT_RESERVED) errx(1, "invalid port, range is %d to %d", IPPORT_RESERVED/2, IPPORT_RESERVED-1); 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 = malloc(maxtypenum * sizeof(int))) == NULL) return; memset(vfs_typenums, 0, maxtypenum * sizeof(int)); if ((vfsvars = malloc(maxtypenum * sizeof(*vfsvars))) == NULL) { free(vfs_typenums); return; } memset(vfsvars, 0, maxtypenum * sizeof(*vfsvars)); if ((vfsname = malloc(maxtypenum * sizeof(*vfsname))) == NULL) { free(vfs_typenums); free(vfsvars); return; } memset(vfsname, 0, maxtypenum * sizeof(*vfsname)); 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); 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; strcat(&names[loc], vfc.vfc_name); 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 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 list inetlist = { inetname, IPPROTO_MAXID }; struct list inetvars[] = { { ipname, IPCTL_MAXID }, /* ip */ { icmpname, ICMPCTL_MAXID }, /* icmp */ { 0, 0 }, /* 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 }, }; struct list kernmalloclist = { kernmallocname, KERN_MALLOC_MAXID }; struct list forkstatlist = { forkstatname, KERN_FORKSTAT_MAXID }; struct list nchstatslist = { nchstatsname, KERN_NCHSTATS_MAXID }; struct list ttylist = { ttyname, KERN_TTY_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 = ", string); switch (indx) { case KERN_NCHSTATS_GOODHITS: (void)printf("%ld\n", nch.ncs_goodhits); break; case KERN_NCHSTATS_NEGHITS: (void)printf("%ld\n", nch.ncs_neghits); break; case KERN_NCHSTATS_BADHITS: (void)printf("%ld\n", nch.ncs_badhits); break; case KERN_NCHSTATS_FALSEHITS: (void)printf("%ld\n", nch.ncs_falsehits); break; case KERN_NCHSTATS_MISS: (void)printf("%ld\n", nch.ncs_miss); break; case KERN_NCHSTATS_LONG: (void)printf("%ld\n", nch.ncs_long); break; case KERN_NCHSTATS_PASS2: (void)printf("%ld\n", nch.ncs_pass2); break; case KERN_NCHSTATS_2PASSES: (void)printf("%ld\n", nch.ncs_2passes); 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; *typep = CTLTYPE_QUAD; 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 = ", string); 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[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 = 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 = 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 = ", string); 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) return (-1); printf("%p\n", q); break; case CPU_CHIPSET_BWX: len = sizeof(int); if (sysctl(mib, 3, &bwx, &len, NULL, 0) < 0) return (-1); printf("%d\n", bwx); break; case CPU_CHIPSET_TYPE: if (sysctl(mib, 3, NULL, &len, NULL, 0) < 0) return (-1); p = malloc(len + 1); if (p == NULL) return (-1); if (sysctl(mib, 3, p, &len, NULL, 0) < 0) return (-1); p[len] = '\0'; printf("%s\n", p); break; } 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; 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 struct ctlname ipxname[] = CTL_IPXPROTO_NAMES; struct ctlname ipxpname[] = IPXCTL_NAMES; struct ctlname spxpname[] = SPXCTL_NAMES; struct list ipxlist = { ipxname, IPXCTL_MAXID }; struct list ipxvars[] = { { ipxpname, IPXCTL_MAXID }, /* ipx */ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { spxpname, SPXCTL_MAXID }, }; /* * Handle internet requests */ int sysctl_ipx(char *string, char **bufpp, int mib[], int flags, int *typep) { struct list *lp; int indx; if (*bufpp == NULL) { listall(string, &ipxlist); return(-1); } if ((indx = findname(string, "third", bufpp, &ipxlist)) == -1) return(-1); mib[2] = indx; if (indx <= IPXPROTO_SPX && ipxvars[indx].list != NULL) lp = &ipxvars[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); } /* * 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:\t%s\n\t%s\n\t%s\n\t%s\n", "sysctl [-n] variable ...", "sysctl [-n] -w variable=value ...", "sysctl [-n] -a", "sysctl [-n] -A"); exit(1); }