init_sysctl.c revision 1.55
1/* $NetBSD: init_sysctl.c,v 1.55 2005/09/07 17:30:07 elad Exp $ */ 2 3/*- 4 * Copyright (c) 2003 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Andrew Brown. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39#include <sys/cdefs.h> 40__KERNEL_RCSID(0, "$NetBSD: init_sysctl.c,v 1.55 2005/09/07 17:30:07 elad Exp $"); 41 42#include "opt_sysv.h" 43#include "opt_multiprocessor.h" 44#include "opt_posix.h" 45#include "opt_verified_exec.h" 46#include "pty.h" 47#include "rnd.h" 48 49#include <sys/types.h> 50#include <sys/param.h> 51#include <sys/sysctl.h> 52#include <sys/errno.h> 53#include <sys/systm.h> 54#include <sys/kernel.h> 55#include <sys/unistd.h> 56#include <sys/disklabel.h> 57#include <sys/rnd.h> 58#include <sys/vnode.h> 59#include <sys/mount.h> 60#include <sys/namei.h> 61#include <sys/msgbuf.h> 62#include <dev/cons.h> 63#include <sys/socketvar.h> 64#include <sys/file.h> 65#include <sys/filedesc.h> 66#include <sys/tty.h> 67#include <sys/malloc.h> 68#include <sys/resource.h> 69#include <sys/resourcevar.h> 70#include <sys/exec.h> 71#include <sys/conf.h> 72#include <sys/device.h> 73#ifdef VERIFIED_EXEC 74#define VERIEXEC_NEED_NODE 75#include <sys/verified_exec.h> 76#endif /* VERIFIED_EXEC */ 77 78#if defined(SYSVMSG) || defined(SYSVSEM) || defined(SYSVSHM) 79#include <sys/ipc.h> 80#endif 81#ifdef SYSVMSG 82#include <sys/msg.h> 83#endif 84#ifdef SYSVSEM 85#include <sys/sem.h> 86#endif 87#ifdef SYSVSHM 88#include <sys/shm.h> 89#endif 90 91#include <machine/cpu.h> 92 93/* XXX this should not be here */ 94int security_curtain = 0; 95 96/* 97 * try over estimating by 5 procs/lwps 98 */ 99#define KERN_PROCSLOP (5 * sizeof(struct kinfo_proc)) 100#define KERN_LWPSLOP (5 * sizeof(struct kinfo_lwp)) 101 102#ifndef MULTIPROCESSOR 103#define sysctl_ncpus() (1) 104#else /* MULTIPROCESSOR */ 105#ifndef CPU_INFO_FOREACH 106#define CPU_INFO_ITERATOR int 107#define CPU_INFO_FOREACH(cii, ci) cii = 0, ci = curcpu(); ci != NULL; ci = NULL 108#endif 109static int 110sysctl_ncpus(void) 111{ 112 struct cpu_info *ci; 113 CPU_INFO_ITERATOR cii; 114 115 int ncpus = 0; 116 for (CPU_INFO_FOREACH(cii, ci)) 117 ncpus++; 118 return (ncpus); 119} 120#endif /* MULTIPROCESSOR */ 121 122static int sysctl_kern_maxvnodes(SYSCTLFN_PROTO); 123static int sysctl_kern_rtc_offset(SYSCTLFN_PROTO); 124static int sysctl_kern_maxproc(SYSCTLFN_PROTO); 125static int sysctl_kern_securelevel(SYSCTLFN_PROTO); 126static int sysctl_kern_hostid(SYSCTLFN_PROTO); 127static int sysctl_setlen(SYSCTLFN_PROTO); 128static int sysctl_kern_clockrate(SYSCTLFN_PROTO); 129static int sysctl_kern_file(SYSCTLFN_PROTO); 130static int sysctl_kern_autonice(SYSCTLFN_PROTO); 131static int sysctl_msgbuf(SYSCTLFN_PROTO); 132static int sysctl_kern_defcorename(SYSCTLFN_PROTO); 133static int sysctl_kern_cptime(SYSCTLFN_PROTO); 134#if defined(SYSVMSG) || defined(SYSVSEM) || defined(SYSVSHM) 135static int sysctl_kern_sysvipc(SYSCTLFN_PROTO); 136#endif /* defined(SYSVMSG) || defined(SYSVSEM) || defined(SYSVSHM) */ 137#if NPTY > 0 138static int sysctl_kern_maxptys(SYSCTLFN_PROTO); 139#endif /* NPTY > 0 */ 140static int sysctl_kern_sbmax(SYSCTLFN_PROTO); 141static int sysctl_kern_urnd(SYSCTLFN_PROTO); 142static int sysctl_kern_lwp(SYSCTLFN_PROTO); 143static int sysctl_kern_forkfsleep(SYSCTLFN_PROTO); 144static int sysctl_kern_root_partition(SYSCTLFN_PROTO); 145static int sysctl_kern_drivers(SYSCTLFN_PROTO); 146static int sysctl_kern_file2(SYSCTLFN_PROTO); 147#ifdef VERIFIED_EXEC 148static int sysctl_kern_veriexec(SYSCTLFN_PROTO); 149#endif 150static int sysctl_kern_cpid(SYSCTLFN_PROTO); 151static int sysctl_doeproc(SYSCTLFN_PROTO); 152static int sysctl_kern_proc_args(SYSCTLFN_PROTO); 153static int sysctl_hw_usermem(SYSCTLFN_PROTO); 154static int sysctl_hw_cnmagic(SYSCTLFN_PROTO); 155static int sysctl_hw_ncpu(SYSCTLFN_PROTO); 156 157static void fill_kproc2(struct proc *, struct kinfo_proc2 *); 158static void fill_lwp(struct lwp *l, struct kinfo_lwp *kl); 159static void fill_file(struct kinfo_file *, const struct file *, struct proc *, 160 int); 161 162/* 163 * ******************************************************************** 164 * section 1: setup routines 165 * ******************************************************************** 166 * these functions are stuffed into a link set for sysctl setup 167 * functions. they're never called or referenced from anywhere else. 168 * ******************************************************************** 169 */ 170 171/* 172 * sets up the base nodes... 173 */ 174SYSCTL_SETUP(sysctl_root_setup, "sysctl base setup") 175{ 176 177 sysctl_createv(clog, 0, NULL, NULL, 178 CTLFLAG_PERMANENT, 179 CTLTYPE_NODE, "kern", 180 SYSCTL_DESCR("High kernel"), 181 NULL, 0, NULL, 0, 182 CTL_KERN, CTL_EOL); 183 sysctl_createv(clog, 0, NULL, NULL, 184 CTLFLAG_PERMANENT, 185 CTLTYPE_NODE, "vm", 186 SYSCTL_DESCR("Virtual memory"), 187 NULL, 0, NULL, 0, 188 CTL_VM, CTL_EOL); 189 sysctl_createv(clog, 0, NULL, NULL, 190 CTLFLAG_PERMANENT, 191 CTLTYPE_NODE, "vfs", 192 SYSCTL_DESCR("Filesystem"), 193 NULL, 0, NULL, 0, 194 CTL_VFS, CTL_EOL); 195 sysctl_createv(clog, 0, NULL, NULL, 196 CTLFLAG_PERMANENT, 197 CTLTYPE_NODE, "net", 198 SYSCTL_DESCR("Networking"), 199 NULL, 0, NULL, 0, 200 CTL_NET, CTL_EOL); 201 sysctl_createv(clog, 0, NULL, NULL, 202 CTLFLAG_PERMANENT, 203 CTLTYPE_NODE, "debug", 204 SYSCTL_DESCR("Debugging"), 205 NULL, 0, NULL, 0, 206 CTL_DEBUG, CTL_EOL); 207 sysctl_createv(clog, 0, NULL, NULL, 208 CTLFLAG_PERMANENT, 209 CTLTYPE_NODE, "hw", 210 SYSCTL_DESCR("Generic CPU, I/O"), 211 NULL, 0, NULL, 0, 212 CTL_HW, CTL_EOL); 213 sysctl_createv(clog, 0, NULL, NULL, 214 CTLFLAG_PERMANENT, 215 CTLTYPE_NODE, "machdep", 216 SYSCTL_DESCR("Machine dependent"), 217 NULL, 0, NULL, 0, 218 CTL_MACHDEP, CTL_EOL); 219 /* 220 * this node is inserted so that the sysctl nodes in libc can 221 * operate. 222 */ 223 sysctl_createv(clog, 0, NULL, NULL, 224 CTLFLAG_PERMANENT, 225 CTLTYPE_NODE, "user", 226 SYSCTL_DESCR("User-level"), 227 NULL, 0, NULL, 0, 228 CTL_USER, CTL_EOL); 229 sysctl_createv(clog, 0, NULL, NULL, 230 CTLFLAG_PERMANENT, 231 CTLTYPE_NODE, "ddb", 232 SYSCTL_DESCR("In-kernel debugger"), 233 NULL, 0, NULL, 0, 234 CTL_DDB, CTL_EOL); 235 sysctl_createv(clog, 0, NULL, NULL, 236 CTLFLAG_PERMANENT, 237 CTLTYPE_NODE, "proc", 238 SYSCTL_DESCR("Per-process"), 239 NULL, 0, NULL, 0, 240 CTL_PROC, CTL_EOL); 241 sysctl_createv(clog, 0, NULL, NULL, 242 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 243 CTLTYPE_NODE, "vendor", 244 SYSCTL_DESCR("Vendor specific"), 245 NULL, 0, NULL, 0, 246 CTL_VENDOR, CTL_EOL); 247 sysctl_createv(clog, 0, NULL, NULL, 248 CTLFLAG_PERMANENT, 249 CTLTYPE_NODE, "emul", 250 SYSCTL_DESCR("Emulation settings"), 251 NULL, 0, NULL, 0, 252 CTL_EMUL, CTL_EOL); 253 sysctl_createv(clog, 0, NULL, NULL, 254 CTLFLAG_PERMANENT, 255 CTLTYPE_NODE, "security", 256 SYSCTL_DESCR("Security"), 257 NULL, 0, NULL, 0, 258 CTL_SECURITY, CTL_EOL); 259} 260 261/* 262 * this setup routine is a replacement for kern_sysctl() 263 */ 264SYSCTL_SETUP(sysctl_kern_setup, "sysctl kern subtree setup") 265{ 266 extern int kern_logsigexit; /* defined in kern/kern_sig.c */ 267 extern fixpt_t ccpu; /* defined in kern/kern_synch.c */ 268 extern int dumponpanic; /* defined in kern/subr_prf.c */ 269 270 sysctl_createv(clog, 0, NULL, NULL, 271 CTLFLAG_PERMANENT, 272 CTLTYPE_NODE, "kern", NULL, 273 NULL, 0, NULL, 0, 274 CTL_KERN, CTL_EOL); 275 276 sysctl_createv(clog, 0, NULL, NULL, 277 CTLFLAG_PERMANENT, 278 CTLTYPE_STRING, "ostype", 279 SYSCTL_DESCR("Operating system type"), 280 NULL, 0, &ostype, 0, 281 CTL_KERN, KERN_OSTYPE, CTL_EOL); 282 sysctl_createv(clog, 0, NULL, NULL, 283 CTLFLAG_PERMANENT, 284 CTLTYPE_STRING, "osrelease", 285 SYSCTL_DESCR("Operating system release"), 286 NULL, 0, &osrelease, 0, 287 CTL_KERN, KERN_OSRELEASE, CTL_EOL); 288 sysctl_createv(clog, 0, NULL, NULL, 289 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 290 CTLTYPE_INT, "osrevision", 291 SYSCTL_DESCR("Operating system revision"), 292 NULL, __NetBSD_Version__, NULL, 0, 293 CTL_KERN, KERN_OSREV, CTL_EOL); 294 sysctl_createv(clog, 0, NULL, NULL, 295 CTLFLAG_PERMANENT, 296 CTLTYPE_STRING, "version", 297 SYSCTL_DESCR("Kernel version"), 298 NULL, 0, &version, 0, 299 CTL_KERN, KERN_VERSION, CTL_EOL); 300 sysctl_createv(clog, 0, NULL, NULL, 301 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 302 CTLTYPE_INT, "maxvnodes", 303 SYSCTL_DESCR("Maximum number of vnodes"), 304 sysctl_kern_maxvnodes, 0, NULL, 0, 305 CTL_KERN, KERN_MAXVNODES, CTL_EOL); 306 sysctl_createv(clog, 0, NULL, NULL, 307 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 308 CTLTYPE_INT, "maxproc", 309 SYSCTL_DESCR("Maximum number of simultaneous processes"), 310 sysctl_kern_maxproc, 0, NULL, 0, 311 CTL_KERN, KERN_MAXPROC, CTL_EOL); 312 sysctl_createv(clog, 0, NULL, NULL, 313 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 314 CTLTYPE_INT, "maxfiles", 315 SYSCTL_DESCR("Maximum number of open files"), 316 NULL, 0, &maxfiles, 0, 317 CTL_KERN, KERN_MAXFILES, CTL_EOL); 318 sysctl_createv(clog, 0, NULL, NULL, 319 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 320 CTLTYPE_INT, "argmax", 321 SYSCTL_DESCR("Maximum number of bytes of arguments to " 322 "execve(2)"), 323 NULL, ARG_MAX, NULL, 0, 324 CTL_KERN, KERN_ARGMAX, CTL_EOL); 325 sysctl_createv(clog, 0, NULL, NULL, 326 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 327 CTLTYPE_INT, "securelevel", 328 SYSCTL_DESCR("System security level"), 329 sysctl_kern_securelevel, 0, &securelevel, 0, 330 CTL_KERN, KERN_SECURELVL, CTL_EOL); 331 sysctl_createv(clog, 0, NULL, NULL, 332 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 333 CTLTYPE_STRING, "hostname", 334 SYSCTL_DESCR("System hostname"), 335 sysctl_setlen, 0, &hostname, MAXHOSTNAMELEN, 336 CTL_KERN, KERN_HOSTNAME, CTL_EOL); 337 sysctl_createv(clog, 0, NULL, NULL, 338 CTLFLAG_PERMANENT|CTLFLAG_READWRITE|CTLFLAG_HEX, 339 CTLTYPE_INT, "hostid", 340 SYSCTL_DESCR("System host ID number"), 341 sysctl_kern_hostid, 0, NULL, 0, 342 CTL_KERN, KERN_HOSTID, CTL_EOL); 343 sysctl_createv(clog, 0, NULL, NULL, 344 CTLFLAG_PERMANENT, 345 CTLTYPE_STRUCT, "clockrate", 346 SYSCTL_DESCR("Kernel clock rates"), 347 sysctl_kern_clockrate, 0, NULL, 348 sizeof(struct clockinfo), 349 CTL_KERN, KERN_CLOCKRATE, CTL_EOL); 350 sysctl_createv(clog, 0, NULL, NULL, 351 CTLFLAG_PERMANENT, 352 CTLTYPE_INT, "hardclock_ticks", 353 SYSCTL_DESCR("Number of hardclock ticks"), 354 NULL, 0, &hardclock_ticks, sizeof(hardclock_ticks), 355 CTL_KERN, KERN_HARDCLOCK_TICKS, CTL_EOL); 356 sysctl_createv(clog, 0, NULL, NULL, 357 CTLFLAG_PERMANENT, 358 CTLTYPE_STRUCT, "vnode", 359 SYSCTL_DESCR("System vnode table"), 360 sysctl_kern_vnode, 0, NULL, 0, 361 CTL_KERN, KERN_VNODE, CTL_EOL); 362 sysctl_createv(clog, 0, NULL, NULL, 363 CTLFLAG_PERMANENT, 364 CTLTYPE_STRUCT, "file", 365 SYSCTL_DESCR("System open file table"), 366 sysctl_kern_file, 0, NULL, 0, 367 CTL_KERN, KERN_FILE, CTL_EOL); 368#ifndef GPROF 369 sysctl_createv(clog, 0, NULL, NULL, 370 CTLFLAG_PERMANENT, 371 CTLTYPE_NODE, "profiling", 372 SYSCTL_DESCR("Profiling information (not available)"), 373 sysctl_notavail, 0, NULL, 0, 374 CTL_KERN, KERN_PROF, CTL_EOL); 375#endif 376 sysctl_createv(clog, 0, NULL, NULL, 377 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 378 CTLTYPE_INT, "posix1version", 379 SYSCTL_DESCR("Version of ISO/IEC 9945 (POSIX 1003.1) " 380 "with which the operating system attempts " 381 "to comply"), 382 NULL, _POSIX_VERSION, NULL, 0, 383 CTL_KERN, KERN_POSIX1, CTL_EOL); 384 sysctl_createv(clog, 0, NULL, NULL, 385 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 386 CTLTYPE_INT, "ngroups", 387 SYSCTL_DESCR("Maximum number of supplemental groups"), 388 NULL, NGROUPS_MAX, NULL, 0, 389 CTL_KERN, KERN_NGROUPS, CTL_EOL); 390 sysctl_createv(clog, 0, NULL, NULL, 391 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 392 CTLTYPE_INT, "job_control", 393 SYSCTL_DESCR("Whether job control is available"), 394 NULL, 1, NULL, 0, 395 CTL_KERN, KERN_JOB_CONTROL, CTL_EOL); 396 sysctl_createv(clog, 0, NULL, NULL, 397 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 398 CTLTYPE_INT, "saved_ids", 399 SYSCTL_DESCR("Whether POSIX saved set-group/user ID is " 400 "available"), NULL, 401#ifdef _POSIX_SAVED_IDS 402 1, 403#else /* _POSIX_SAVED_IDS */ 404 0, 405#endif /* _POSIX_SAVED_IDS */ 406 NULL, 0, CTL_KERN, KERN_SAVED_IDS, CTL_EOL); 407 sysctl_createv(clog, 0, NULL, NULL, 408 CTLFLAG_PERMANENT, 409 CTLTYPE_STRUCT, "boottime", 410 SYSCTL_DESCR("System boot time"), 411 NULL, 0, &boottime, sizeof(boottime), 412 CTL_KERN, KERN_BOOTTIME, CTL_EOL); 413 sysctl_createv(clog, 0, NULL, NULL, 414 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 415 CTLTYPE_STRING, "domainname", 416 SYSCTL_DESCR("YP domain name"), 417 sysctl_setlen, 0, &domainname, MAXHOSTNAMELEN, 418 CTL_KERN, KERN_DOMAINNAME, CTL_EOL); 419 sysctl_createv(clog, 0, NULL, NULL, 420 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 421 CTLTYPE_INT, "maxpartitions", 422 SYSCTL_DESCR("Maximum number of partitions allowed per " 423 "disk"), 424 NULL, MAXPARTITIONS, NULL, 0, 425 CTL_KERN, KERN_MAXPARTITIONS, CTL_EOL); 426 sysctl_createv(clog, 0, NULL, NULL, 427 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 428 CTLTYPE_INT, "rawpartition", 429 SYSCTL_DESCR("Raw partition of a disk"), 430 NULL, RAW_PART, NULL, 0, 431 CTL_KERN, KERN_RAWPARTITION, CTL_EOL); 432 sysctl_createv(clog, 0, NULL, NULL, 433 CTLFLAG_PERMANENT, 434 CTLTYPE_STRUCT, "timex", NULL, 435 sysctl_notavail, 0, NULL, 0, 436 CTL_KERN, KERN_TIMEX, CTL_EOL); 437 sysctl_createv(clog, 0, NULL, NULL, 438 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 439 CTLTYPE_INT, "autonicetime", 440 SYSCTL_DESCR("CPU clock seconds before non-root " 441 "process priority is lowered"), 442 sysctl_kern_autonice, 0, &autonicetime, 0, 443 CTL_KERN, KERN_AUTONICETIME, CTL_EOL); 444 sysctl_createv(clog, 0, NULL, NULL, 445 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 446 CTLTYPE_INT, "autoniceval", 447 SYSCTL_DESCR("Automatic reniced non-root process " 448 "priority"), 449 sysctl_kern_autonice, 0, &autoniceval, 0, 450 CTL_KERN, KERN_AUTONICEVAL, CTL_EOL); 451 sysctl_createv(clog, 0, NULL, NULL, 452 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 453 CTLTYPE_INT, "rtc_offset", 454 SYSCTL_DESCR("Offset of real time clock from UTC in " 455 "minutes"), 456 sysctl_kern_rtc_offset, 0, &rtc_offset, 0, 457 CTL_KERN, KERN_RTC_OFFSET, CTL_EOL); 458 sysctl_createv(clog, 0, NULL, NULL, 459 CTLFLAG_PERMANENT, 460 CTLTYPE_STRING, "root_device", 461 SYSCTL_DESCR("Name of the root device"), 462 sysctl_root_device, 0, NULL, 0, 463 CTL_KERN, KERN_ROOT_DEVICE, CTL_EOL); 464 sysctl_createv(clog, 0, NULL, NULL, 465 CTLFLAG_PERMANENT, 466 CTLTYPE_INT, "msgbufsize", 467 SYSCTL_DESCR("Size of the kernel message buffer"), 468 sysctl_msgbuf, 0, NULL, 0, 469 CTL_KERN, KERN_MSGBUFSIZE, CTL_EOL); 470 sysctl_createv(clog, 0, NULL, NULL, 471 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 472 CTLTYPE_INT, "fsync", 473 SYSCTL_DESCR("Whether the POSIX 1003.1b File " 474 "Synchronization Option is available on " 475 "this system"), 476 NULL, 1, NULL, 0, 477 CTL_KERN, KERN_FSYNC, CTL_EOL); 478 sysctl_createv(clog, 0, NULL, NULL, 479 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 480 CTLTYPE_INT, "sysvmsg", 481 SYSCTL_DESCR("System V style message support available"), 482 NULL, 483#ifdef SYSVMSG 484 1, 485#else /* SYSVMSG */ 486 0, 487#endif /* SYSVMSG */ 488 NULL, 0, CTL_KERN, KERN_SYSVMSG, CTL_EOL); 489 sysctl_createv(clog, 0, NULL, NULL, 490 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 491 CTLTYPE_INT, "sysvsem", 492 SYSCTL_DESCR("System V style semaphore support " 493 "available"), NULL, 494#ifdef SYSVSEM 495 1, 496#else /* SYSVSEM */ 497 0, 498#endif /* SYSVSEM */ 499 NULL, 0, CTL_KERN, KERN_SYSVSEM, CTL_EOL); 500 sysctl_createv(clog, 0, NULL, NULL, 501 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 502 CTLTYPE_INT, "sysvshm", 503 SYSCTL_DESCR("System V style shared memory support " 504 "available"), NULL, 505#ifdef SYSVSHM 506 1, 507#else /* SYSVSHM */ 508 0, 509#endif /* SYSVSHM */ 510 NULL, 0, CTL_KERN, KERN_SYSVSHM, CTL_EOL); 511 sysctl_createv(clog, 0, NULL, NULL, 512 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 513 CTLTYPE_INT, "synchronized_io", 514 SYSCTL_DESCR("Whether the POSIX 1003.1b Synchronized " 515 "I/O Option is available on this system"), 516 NULL, 1, NULL, 0, 517 CTL_KERN, KERN_SYNCHRONIZED_IO, CTL_EOL); 518 sysctl_createv(clog, 0, NULL, NULL, 519 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 520 CTLTYPE_INT, "iov_max", 521 SYSCTL_DESCR("Maximum number of iovec structures per " 522 "process"), 523 NULL, IOV_MAX, NULL, 0, 524 CTL_KERN, KERN_IOV_MAX, CTL_EOL); 525 sysctl_createv(clog, 0, NULL, NULL, 526 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 527 CTLTYPE_INT, "mapped_files", 528 SYSCTL_DESCR("Whether the POSIX 1003.1b Memory Mapped " 529 "Files Option is available on this system"), 530 NULL, 1, NULL, 0, 531 CTL_KERN, KERN_MAPPED_FILES, CTL_EOL); 532 sysctl_createv(clog, 0, NULL, NULL, 533 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 534 CTLTYPE_INT, "memlock", 535 SYSCTL_DESCR("Whether the POSIX 1003.1b Process Memory " 536 "Locking Option is available on this " 537 "system"), 538 NULL, 1, NULL, 0, 539 CTL_KERN, KERN_MEMLOCK, CTL_EOL); 540 sysctl_createv(clog, 0, NULL, NULL, 541 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 542 CTLTYPE_INT, "memlock_range", 543 SYSCTL_DESCR("Whether the POSIX 1003.1b Range Memory " 544 "Locking Option is available on this " 545 "system"), 546 NULL, 1, NULL, 0, 547 CTL_KERN, KERN_MEMLOCK_RANGE, CTL_EOL); 548 sysctl_createv(clog, 0, NULL, NULL, 549 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 550 CTLTYPE_INT, "memory_protection", 551 SYSCTL_DESCR("Whether the POSIX 1003.1b Memory " 552 "Protection Option is available on this " 553 "system"), 554 NULL, 1, NULL, 0, 555 CTL_KERN, KERN_MEMORY_PROTECTION, CTL_EOL); 556 sysctl_createv(clog, 0, NULL, NULL, 557 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 558 CTLTYPE_INT, "login_name_max", 559 SYSCTL_DESCR("Maximum login name length"), 560 NULL, LOGIN_NAME_MAX, NULL, 0, 561 CTL_KERN, KERN_LOGIN_NAME_MAX, CTL_EOL); 562 sysctl_createv(clog, 0, NULL, NULL, 563 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 564 CTLTYPE_STRING, "defcorename", 565 SYSCTL_DESCR("Default core file name"), 566 sysctl_kern_defcorename, 0, defcorename, MAXPATHLEN, 567 CTL_KERN, KERN_DEFCORENAME, CTL_EOL); 568 sysctl_createv(clog, 0, NULL, NULL, 569 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 570 CTLTYPE_INT, "logsigexit", 571 SYSCTL_DESCR("Log process exit when caused by signals"), 572 NULL, 0, &kern_logsigexit, 0, 573 CTL_KERN, KERN_LOGSIGEXIT, CTL_EOL); 574 sysctl_createv(clog, 0, NULL, NULL, 575 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 576 CTLTYPE_INT, "fscale", 577 SYSCTL_DESCR("Kernel fixed-point scale factor"), 578 NULL, FSCALE, NULL, 0, 579 CTL_KERN, KERN_FSCALE, CTL_EOL); 580 sysctl_createv(clog, 0, NULL, NULL, 581 CTLFLAG_PERMANENT, 582 CTLTYPE_INT, "ccpu", 583 SYSCTL_DESCR("Scheduler exponential decay value"), 584 NULL, 0, &ccpu, 0, 585 CTL_KERN, KERN_CCPU, CTL_EOL); 586 sysctl_createv(clog, 0, NULL, NULL, 587 CTLFLAG_PERMANENT, 588 CTLTYPE_STRUCT, "cp_time", 589 SYSCTL_DESCR("Clock ticks spent in different CPU states"), 590 sysctl_kern_cptime, 0, NULL, 0, 591 CTL_KERN, KERN_CP_TIME, CTL_EOL); 592#if defined(SYSVMSG) || defined(SYSVSEM) || defined(SYSVSHM) 593 sysctl_createv(clog, 0, NULL, NULL, 594 CTLFLAG_PERMANENT, 595 CTLTYPE_STRUCT, "sysvipc_info", 596 SYSCTL_DESCR("System V style IPC information"), 597 sysctl_kern_sysvipc, 0, NULL, 0, 598 CTL_KERN, KERN_SYSVIPC_INFO, CTL_EOL); 599#endif /* SYSVMSG || SYSVSEM || SYSVSHM */ 600 sysctl_createv(clog, 0, NULL, NULL, 601 CTLFLAG_PERMANENT, 602 CTLTYPE_INT, "msgbuf", 603 SYSCTL_DESCR("Kernel message buffer"), 604 sysctl_msgbuf, 0, NULL, 0, 605 CTL_KERN, KERN_MSGBUF, CTL_EOL); 606 sysctl_createv(clog, 0, NULL, NULL, 607 CTLFLAG_PERMANENT, 608 CTLTYPE_STRUCT, "consdev", 609 SYSCTL_DESCR("Console device"), 610 sysctl_consdev, 0, NULL, sizeof(dev_t), 611 CTL_KERN, KERN_CONSDEV, CTL_EOL); 612#if NPTY > 0 613 sysctl_createv(clog, 0, NULL, NULL, 614 CTLFLAG_PERMANENT, 615 CTLTYPE_INT, "maxptys", 616 SYSCTL_DESCR("Maximum number of pseudo-ttys"), 617 sysctl_kern_maxptys, 0, NULL, 0, 618 CTL_KERN, KERN_MAXPTYS, CTL_EOL); 619#endif /* NPTY > 0 */ 620 sysctl_createv(clog, 0, NULL, NULL, 621 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 622 CTLTYPE_INT, "maxphys", 623 SYSCTL_DESCR("Maximum raw I/O transfer size"), 624 NULL, MAXPHYS, NULL, 0, 625 CTL_KERN, KERN_MAXPHYS, CTL_EOL); 626 sysctl_createv(clog, 0, NULL, NULL, 627 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 628 CTLTYPE_INT, "sbmax", 629 SYSCTL_DESCR("Maximum socket buffer size"), 630 sysctl_kern_sbmax, 0, NULL, 0, 631 CTL_KERN, KERN_SBMAX, CTL_EOL); 632 sysctl_createv(clog, 0, NULL, NULL, 633 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 634 CTLTYPE_INT, "monotonic_clock", 635 SYSCTL_DESCR("Implementation version of the POSIX " 636 "1003.1b Monotonic Clock Option"), 637 /* XXX _POSIX_VERSION */ 638 NULL, _POSIX_MONOTONIC_CLOCK, NULL, 0, 639 CTL_KERN, KERN_MONOTONIC_CLOCK, CTL_EOL); 640 sysctl_createv(clog, 0, NULL, NULL, 641 CTLFLAG_PERMANENT, 642 CTLTYPE_INT, "urandom", 643 SYSCTL_DESCR("Random integer value"), 644 sysctl_kern_urnd, 0, NULL, 0, 645 CTL_KERN, KERN_URND, CTL_EOL); 646 sysctl_createv(clog, 0, NULL, NULL, 647 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 648 CTLTYPE_INT, "labelsector", 649 SYSCTL_DESCR("Sector number containing the disklabel"), 650 NULL, LABELSECTOR, NULL, 0, 651 CTL_KERN, KERN_LABELSECTOR, CTL_EOL); 652 sysctl_createv(clog, 0, NULL, NULL, 653 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 654 CTLTYPE_INT, "labeloffset", 655 SYSCTL_DESCR("Offset of the disklabel within the " 656 "sector"), 657 NULL, LABELOFFSET, NULL, 0, 658 CTL_KERN, KERN_LABELOFFSET, CTL_EOL); 659 sysctl_createv(clog, 0, NULL, NULL, 660 CTLFLAG_PERMANENT, 661 CTLTYPE_NODE, "lwp", 662 SYSCTL_DESCR("System-wide LWP information"), 663 sysctl_kern_lwp, 0, NULL, 0, 664 CTL_KERN, KERN_LWP, CTL_EOL); 665 sysctl_createv(clog, 0, NULL, NULL, 666 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 667 CTLTYPE_INT, "forkfsleep", 668 SYSCTL_DESCR("Milliseconds to sleep on fork failure due " 669 "to process limits"), 670 sysctl_kern_forkfsleep, 0, NULL, 0, 671 CTL_KERN, KERN_FORKFSLEEP, CTL_EOL); 672 sysctl_createv(clog, 0, NULL, NULL, 673 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 674 CTLTYPE_INT, "posix_threads", 675 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 676 "Threads option to which the system " 677 "attempts to conform"), 678 /* XXX _POSIX_VERSION */ 679 NULL, _POSIX_THREADS, NULL, 0, 680 CTL_KERN, KERN_POSIX_THREADS, CTL_EOL); 681 sysctl_createv(clog, 0, NULL, NULL, 682 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 683 CTLTYPE_INT, "posix_semaphores", 684 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 685 "Semaphores option to which the system " 686 "attempts to conform"), NULL, 687#ifdef P1003_1B_SEMAPHORE 688 200112, 689#else /* P1003_1B_SEMAPHORE */ 690 0, 691#endif /* P1003_1B_SEMAPHORE */ 692 NULL, 0, CTL_KERN, KERN_POSIX_SEMAPHORES, CTL_EOL); 693 sysctl_createv(clog, 0, NULL, NULL, 694 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 695 CTLTYPE_INT, "posix_barriers", 696 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 697 "Barriers option to which the system " 698 "attempts to conform"), 699 /* XXX _POSIX_VERSION */ 700 NULL, _POSIX_BARRIERS, NULL, 0, 701 CTL_KERN, KERN_POSIX_BARRIERS, CTL_EOL); 702 sysctl_createv(clog, 0, NULL, NULL, 703 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 704 CTLTYPE_INT, "posix_timers", 705 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 706 "Timers option to which the system " 707 "attempts to conform"), 708 /* XXX _POSIX_VERSION */ 709 NULL, _POSIX_TIMERS, NULL, 0, 710 CTL_KERN, KERN_POSIX_TIMERS, CTL_EOL); 711 sysctl_createv(clog, 0, NULL, NULL, 712 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 713 CTLTYPE_INT, "posix_spin_locks", 714 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its Spin " 715 "Locks option to which the system attempts " 716 "to conform"), 717 /* XXX _POSIX_VERSION */ 718 NULL, _POSIX_SPIN_LOCKS, NULL, 0, 719 CTL_KERN, KERN_POSIX_SPIN_LOCKS, CTL_EOL); 720 sysctl_createv(clog, 0, NULL, NULL, 721 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 722 CTLTYPE_INT, "posix_reader_writer_locks", 723 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 724 "Read-Write Locks option to which the " 725 "system attempts to conform"), 726 /* XXX _POSIX_VERSION */ 727 NULL, _POSIX_READER_WRITER_LOCKS, NULL, 0, 728 CTL_KERN, KERN_POSIX_READER_WRITER_LOCKS, CTL_EOL); 729 sysctl_createv(clog, 0, NULL, NULL, 730 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 731 CTLTYPE_INT, "dump_on_panic", 732 SYSCTL_DESCR("Perform a crash dump on system panic"), 733 NULL, 0, &dumponpanic, 0, 734 CTL_KERN, KERN_DUMP_ON_PANIC, CTL_EOL); 735 sysctl_createv(clog, 0, NULL, NULL, 736 CTLFLAG_PERMANENT, 737 CTLTYPE_INT, "root_partition", 738 SYSCTL_DESCR("Root partition on the root device"), 739 sysctl_kern_root_partition, 0, NULL, 0, 740 CTL_KERN, KERN_ROOT_PARTITION, CTL_EOL); 741 sysctl_createv(clog, 0, NULL, NULL, 742 CTLFLAG_PERMANENT, 743 CTLTYPE_STRUCT, "drivers", 744 SYSCTL_DESCR("List of all drivers with block and " 745 "character device numbers"), 746 sysctl_kern_drivers, 0, NULL, 0, 747 CTL_KERN, KERN_DRIVERS, CTL_EOL); 748 sysctl_createv(clog, 0, NULL, NULL, 749 CTLFLAG_PERMANENT, 750 CTLTYPE_STRUCT, "file2", 751 SYSCTL_DESCR("System open file table"), 752 sysctl_kern_file2, 0, NULL, 0, 753 CTL_KERN, KERN_FILE2, CTL_EOL); 754#ifdef VERIFIED_EXEC 755 sysctl_createv(clog, 0, NULL, NULL, 756 CTLFLAG_PERMANENT, 757 CTLTYPE_NODE, "veriexec", 758 SYSCTL_DESCR("Verified Exec"), 759 NULL, 0, NULL, 0, 760 CTL_KERN, KERN_VERIEXEC, CTL_EOL); 761 sysctl_createv(clog, 0, NULL, NULL, 762 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 763 CTLTYPE_INT, "verbose", 764 SYSCTL_DESCR("Verified Exec verbose level"), 765 NULL, 0, &veriexec_verbose, 0, 766 CTL_KERN, KERN_VERIEXEC, VERIEXEC_VERBOSE, 767 CTL_EOL); 768 sysctl_createv(clog, 0, NULL, NULL, 769 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 770 CTLTYPE_INT, "strict", 771 SYSCTL_DESCR("Verified Exec strict level"), 772 sysctl_kern_veriexec, 0, NULL, 0, 773 CTL_KERN, KERN_VERIEXEC, VERIEXEC_STRICT, CTL_EOL); 774 sysctl_createv(clog, 0, NULL, NULL, 775 CTLFLAG_PERMANENT, 776 CTLTYPE_STRING, "algorithms", 777 SYSCTL_DESCR("Verified Exec supported hashing " 778 "algorithms"), 779 sysctl_kern_veriexec, 0, NULL, 0, 780 CTL_KERN, KERN_VERIEXEC, VERIEXEC_ALGORITHMS, CTL_EOL); 781 sysctl_createv(clog, 0, NULL, &veriexec_count_node, 782 CTLFLAG_PERMANENT, 783 CTLTYPE_NODE, "count", 784 SYSCTL_DESCR("Number of fingerprints on device(s)"), 785 NULL, 0, NULL, 0, 786 CTL_KERN, KERN_VERIEXEC, VERIEXEC_COUNT, CTL_EOL); 787#endif /* VERIFIED_EXEC */ 788 sysctl_createv(clog, 0, NULL, NULL, 789 CTLFLAG_PERMANENT, 790 CTLTYPE_STRUCT, "cp_id", 791 SYSCTL_DESCR("Mapping of CPU number to CPU id"), 792 sysctl_kern_cpid, 0, NULL, 0, 793 CTL_KERN, KERN_CP_ID, CTL_EOL); 794} 795 796SYSCTL_SETUP(sysctl_kern_proc_setup, 797 "sysctl kern.proc/proc2/proc_args subtree setup") 798{ 799 800 sysctl_createv(clog, 0, NULL, NULL, 801 CTLFLAG_PERMANENT, 802 CTLTYPE_NODE, "kern", NULL, 803 NULL, 0, NULL, 0, 804 CTL_KERN, CTL_EOL); 805 806 sysctl_createv(clog, 0, NULL, NULL, 807 CTLFLAG_PERMANENT, 808 CTLTYPE_NODE, "proc", 809 SYSCTL_DESCR("System-wide process information"), 810 sysctl_doeproc, 0, NULL, 0, 811 CTL_KERN, KERN_PROC, CTL_EOL); 812 sysctl_createv(clog, 0, NULL, NULL, 813 CTLFLAG_PERMANENT, 814 CTLTYPE_NODE, "proc2", 815 SYSCTL_DESCR("Machine-independent process information"), 816 sysctl_doeproc, 0, NULL, 0, 817 CTL_KERN, KERN_PROC2, CTL_EOL); 818 sysctl_createv(clog, 0, NULL, NULL, 819 CTLFLAG_PERMANENT, 820 CTLTYPE_NODE, "proc_args", 821 SYSCTL_DESCR("Process argument information"), 822 sysctl_kern_proc_args, 0, NULL, 0, 823 CTL_KERN, KERN_PROC_ARGS, CTL_EOL); 824 825 /* 826 "nodes" under these: 827 828 KERN_PROC_ALL 829 KERN_PROC_PID pid 830 KERN_PROC_PGRP pgrp 831 KERN_PROC_SESSION sess 832 KERN_PROC_TTY tty 833 KERN_PROC_UID uid 834 KERN_PROC_RUID uid 835 KERN_PROC_GID gid 836 KERN_PROC_RGID gid 837 838 all in all, probably not worth the effort... 839 */ 840} 841 842SYSCTL_SETUP(sysctl_hw_setup, "sysctl hw subtree setup") 843{ 844 u_int u; 845 u_quad_t q; 846 847 sysctl_createv(clog, 0, NULL, NULL, 848 CTLFLAG_PERMANENT, 849 CTLTYPE_NODE, "hw", NULL, 850 NULL, 0, NULL, 0, 851 CTL_HW, CTL_EOL); 852 853 sysctl_createv(clog, 0, NULL, NULL, 854 CTLFLAG_PERMANENT, 855 CTLTYPE_STRING, "machine", 856 SYSCTL_DESCR("Machine class"), 857 NULL, 0, machine, 0, 858 CTL_HW, HW_MACHINE, CTL_EOL); 859 sysctl_createv(clog, 0, NULL, NULL, 860 CTLFLAG_PERMANENT, 861 CTLTYPE_STRING, "model", 862 SYSCTL_DESCR("Machine model"), 863 NULL, 0, cpu_model, 0, 864 CTL_HW, HW_MODEL, CTL_EOL); 865 sysctl_createv(clog, 0, NULL, NULL, 866 CTLFLAG_PERMANENT, 867 CTLTYPE_INT, "ncpu", 868 SYSCTL_DESCR("Number of active CPUs"), 869 sysctl_hw_ncpu, 0, NULL, 0, 870 CTL_HW, HW_NCPU, CTL_EOL); 871 sysctl_createv(clog, 0, NULL, NULL, 872 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 873 CTLTYPE_INT, "byteorder", 874 SYSCTL_DESCR("System byte order"), 875 NULL, BYTE_ORDER, NULL, 0, 876 CTL_HW, HW_BYTEORDER, CTL_EOL); 877 u = ((u_int)physmem > (UINT_MAX / PAGE_SIZE)) ? 878 UINT_MAX : physmem * PAGE_SIZE; 879 sysctl_createv(clog, 0, NULL, NULL, 880 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 881 CTLTYPE_INT, "physmem", 882 SYSCTL_DESCR("Bytes of physical memory"), 883 NULL, u, NULL, 0, 884 CTL_HW, HW_PHYSMEM, CTL_EOL); 885 sysctl_createv(clog, 0, NULL, NULL, 886 CTLFLAG_PERMANENT, 887 CTLTYPE_INT, "usermem", 888 SYSCTL_DESCR("Bytes of non-kernel memory"), 889 sysctl_hw_usermem, 0, NULL, 0, 890 CTL_HW, HW_USERMEM, CTL_EOL); 891 sysctl_createv(clog, 0, NULL, NULL, 892 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 893 CTLTYPE_INT, "pagesize", 894 SYSCTL_DESCR("Software page size"), 895 NULL, PAGE_SIZE, NULL, 0, 896 CTL_HW, HW_PAGESIZE, CTL_EOL); 897 sysctl_createv(clog, 0, NULL, NULL, 898 CTLFLAG_PERMANENT, 899 CTLTYPE_STRING, "disknames", 900 SYSCTL_DESCR("List of disk devices present"), 901 sysctl_hw_disknames, 0, NULL, 0, 902 CTL_HW, HW_DISKNAMES, CTL_EOL); 903 sysctl_createv(clog, 0, NULL, NULL, 904 CTLFLAG_PERMANENT, 905 CTLTYPE_STRUCT, "diskstats", 906 SYSCTL_DESCR("Statistics on disk operation"), 907 sysctl_hw_diskstats, 0, NULL, 0, 908 CTL_HW, HW_DISKSTATS, CTL_EOL); 909 sysctl_createv(clog, 0, NULL, NULL, 910 CTLFLAG_PERMANENT, 911 CTLTYPE_STRING, "machine_arch", 912 SYSCTL_DESCR("Machine CPU class"), 913 NULL, 0, machine_arch, 0, 914 CTL_HW, HW_MACHINE_ARCH, CTL_EOL); 915 sysctl_createv(clog, 0, NULL, NULL, 916 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 917 CTLTYPE_INT, "alignbytes", 918 SYSCTL_DESCR("Alignment constraint for all possible " 919 "data types"), 920 NULL, ALIGNBYTES, NULL, 0, 921 CTL_HW, HW_ALIGNBYTES, CTL_EOL); 922 sysctl_createv(clog, 0, NULL, NULL, 923 CTLFLAG_PERMANENT|CTLFLAG_READWRITE|CTLFLAG_HEX, 924 CTLTYPE_STRING, "cnmagic", 925 SYSCTL_DESCR("Console magic key sequence"), 926 sysctl_hw_cnmagic, 0, NULL, CNS_LEN, 927 CTL_HW, HW_CNMAGIC, CTL_EOL); 928 q = (u_quad_t)physmem * PAGE_SIZE; 929 sysctl_createv(clog, 0, NULL, NULL, 930 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 931 CTLTYPE_QUAD, "physmem64", 932 SYSCTL_DESCR("Bytes of physical memory"), 933 NULL, q, NULL, 0, 934 CTL_HW, HW_PHYSMEM64, CTL_EOL); 935 sysctl_createv(clog, 0, NULL, NULL, 936 CTLFLAG_PERMANENT, 937 CTLTYPE_QUAD, "usermem64", 938 SYSCTL_DESCR("Bytes of non-kernel memory"), 939 sysctl_hw_usermem, 0, NULL, 0, 940 CTL_HW, HW_USERMEM64, CTL_EOL); 941} 942 943#ifdef DEBUG 944/* 945 * Debugging related system variables. 946 */ 947struct ctldebug /* debug0, */ /* debug1, */ debug2, debug3, debug4; 948struct ctldebug debug5, debug6, debug7, debug8, debug9; 949struct ctldebug debug10, debug11, debug12, debug13, debug14; 950struct ctldebug debug15, debug16, debug17, debug18, debug19; 951static struct ctldebug *debugvars[CTL_DEBUG_MAXID] = { 952 &debug0, &debug1, &debug2, &debug3, &debug4, 953 &debug5, &debug6, &debug7, &debug8, &debug9, 954 &debug10, &debug11, &debug12, &debug13, &debug14, 955 &debug15, &debug16, &debug17, &debug18, &debug19, 956}; 957 958/* 959 * this setup routine is a replacement for debug_sysctl() 960 * 961 * note that it creates several nodes per defined debug variable 962 */ 963SYSCTL_SETUP(sysctl_debug_setup, "sysctl debug subtree setup") 964{ 965 struct ctldebug *cdp; 966 char nodename[20]; 967 int i; 968 969 /* 970 * two ways here: 971 * 972 * the "old" way (debug.name -> value) which was emulated by 973 * the sysctl(8) binary 974 * 975 * the new way, which the sysctl(8) binary was actually using 976 977 node debug 978 node debug.0 979 string debug.0.name 980 int debug.0.value 981 int debug.name 982 983 */ 984 985 sysctl_createv(clog, 0, NULL, NULL, 986 CTLFLAG_PERMANENT, 987 CTLTYPE_NODE, "debug", NULL, 988 NULL, 0, NULL, 0, 989 CTL_DEBUG, CTL_EOL); 990 991 for (i = 0; i < CTL_DEBUG_MAXID; i++) { 992 cdp = debugvars[i]; 993 if (cdp->debugname == NULL || cdp->debugvar == NULL) 994 continue; 995 996 snprintf(nodename, sizeof(nodename), "debug%d", i); 997 sysctl_createv(clog, 0, NULL, NULL, 998 CTLFLAG_PERMANENT|CTLFLAG_HIDDEN, 999 CTLTYPE_NODE, nodename, NULL, 1000 NULL, 0, NULL, 0, 1001 CTL_DEBUG, i, CTL_EOL); 1002 sysctl_createv(clog, 0, NULL, NULL, 1003 CTLFLAG_PERMANENT|CTLFLAG_HIDDEN, 1004 CTLTYPE_STRING, "name", NULL, 1005 /*XXXUNCONST*/ 1006 NULL, 0, __UNCONST(cdp->debugname), 0, 1007 CTL_DEBUG, i, CTL_DEBUG_NAME, CTL_EOL); 1008 sysctl_createv(clog, 0, NULL, NULL, 1009 CTLFLAG_PERMANENT|CTLFLAG_HIDDEN, 1010 CTLTYPE_INT, "value", NULL, 1011 NULL, 0, cdp->debugvar, 0, 1012 CTL_DEBUG, i, CTL_DEBUG_VALUE, CTL_EOL); 1013 sysctl_createv(clog, 0, NULL, NULL, 1014 CTLFLAG_PERMANENT, 1015 CTLTYPE_INT, cdp->debugname, NULL, 1016 NULL, 0, cdp->debugvar, 0, 1017 CTL_DEBUG, CTL_CREATE, CTL_EOL); 1018 } 1019} 1020#endif /* DEBUG */ 1021 1022SYSCTL_SETUP(sysctl_security_setup, "sysctl security subtree setup") 1023{ 1024 sysctl_createv(clog, 0, NULL, NULL, 1025 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 1026 CTLTYPE_INT, "curtain", 1027 SYSCTL_DESCR("Curtain information about objects" 1028 " to users not owning them."), 1029 NULL, 0, &security_curtain, 0, 1030 CTL_SECURITY, SECURITY_CURTAIN, CTL_EOL); 1031} 1032 1033/* 1034 * ******************************************************************** 1035 * section 2: private node-specific helper routines. 1036 * ******************************************************************** 1037 */ 1038 1039/* 1040 * sysctl helper routine for kern.maxvnodes. drain vnodes if 1041 * new value is lower than desiredvnodes and then calls reinit 1042 * routines that needs to adjust to the new value. 1043 */ 1044static int 1045sysctl_kern_maxvnodes(SYSCTLFN_ARGS) 1046{ 1047 int error, new_vnodes, old_vnodes; 1048 struct sysctlnode node; 1049 1050 new_vnodes = desiredvnodes; 1051 node = *rnode; 1052 node.sysctl_data = &new_vnodes; 1053 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1054 if (error || newp == NULL) 1055 return (error); 1056 1057 old_vnodes = desiredvnodes; 1058 desiredvnodes = new_vnodes; 1059 if (new_vnodes < old_vnodes) { 1060 error = vfs_drainvnodes(new_vnodes, l->l_proc); 1061 if (error) { 1062 desiredvnodes = old_vnodes; 1063 return (error); 1064 } 1065 } 1066 vfs_reinit(); 1067 nchreinit(); 1068 1069 return (0); 1070} 1071 1072/* 1073 * sysctl helper routine for rtc_offset - set time after changes 1074 */ 1075static int 1076sysctl_kern_rtc_offset(SYSCTLFN_ARGS) 1077{ 1078 struct timeval tv, delta; 1079 int s, error, new_rtc_offset; 1080 struct sysctlnode node; 1081 1082 new_rtc_offset = rtc_offset; 1083 node = *rnode; 1084 node.sysctl_data = &new_rtc_offset; 1085 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1086 if (error || newp == NULL) 1087 return (error); 1088 1089 if (securelevel > 0) 1090 return (EPERM); 1091 if (rtc_offset == new_rtc_offset) 1092 return (0); 1093 1094 /* if we change the offset, adjust the time */ 1095 s = splclock(); 1096 tv = time; 1097 splx(s); 1098 delta.tv_sec = 60*(new_rtc_offset - rtc_offset); 1099 delta.tv_usec = 0; 1100 timeradd(&tv, &delta, &tv); 1101 rtc_offset = new_rtc_offset; 1102 settime(&tv); 1103 1104 return (0); 1105} 1106 1107/* 1108 * sysctl helper routine for kern.maxproc. ensures that the new 1109 * values are not too low or too high. 1110 */ 1111static int 1112sysctl_kern_maxproc(SYSCTLFN_ARGS) 1113{ 1114 int error, nmaxproc; 1115 struct sysctlnode node; 1116 1117 nmaxproc = maxproc; 1118 node = *rnode; 1119 node.sysctl_data = &nmaxproc; 1120 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1121 if (error || newp == NULL) 1122 return (error); 1123 1124 if (nmaxproc < 0 || nmaxproc >= PID_MAX) 1125 return (EINVAL); 1126#ifdef __HAVE_CPU_MAXPROC 1127 if (nmaxproc > cpu_maxproc()) 1128 return (EINVAL); 1129#endif 1130 maxproc = nmaxproc; 1131 1132 return (0); 1133} 1134 1135/* 1136 * sysctl helper routine for kern.securelevel. ensures that the value 1137 * only rises unless the caller has pid 1 (assumed to be init). 1138 */ 1139static int 1140sysctl_kern_securelevel(SYSCTLFN_ARGS) 1141{ 1142 int newsecurelevel, error; 1143 struct sysctlnode node; 1144 1145 newsecurelevel = securelevel; 1146 node = *rnode; 1147 node.sysctl_data = &newsecurelevel; 1148 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1149 if (error || newp == NULL) 1150 return (error); 1151 1152 if (newsecurelevel < securelevel && l && l->l_proc->p_pid != 1) 1153 return (EPERM); 1154 securelevel = newsecurelevel; 1155 1156 return (error); 1157} 1158 1159/* 1160 * sysctl helper function for kern.hostid. the hostid is a long, but 1161 * we export it as an int, so we need to give it a little help. 1162 */ 1163static int 1164sysctl_kern_hostid(SYSCTLFN_ARGS) 1165{ 1166 int error, inthostid; 1167 struct sysctlnode node; 1168 1169 inthostid = hostid; /* XXX assumes sizeof int <= sizeof long */ 1170 node = *rnode; 1171 node.sysctl_data = &inthostid; 1172 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1173 if (error || newp == NULL) 1174 return (error); 1175 1176 hostid = (unsigned)inthostid; 1177 1178 return (0); 1179} 1180 1181/* 1182 * sysctl helper function for kern.hostname and kern.domainnname. 1183 * resets the relevant recorded length when the underlying name is 1184 * changed. 1185 */ 1186static int 1187sysctl_setlen(SYSCTLFN_ARGS) 1188{ 1189 int error; 1190 1191 error = sysctl_lookup(SYSCTLFN_CALL(rnode)); 1192 if (error || newp == NULL) 1193 return (error); 1194 1195 switch (rnode->sysctl_num) { 1196 case KERN_HOSTNAME: 1197 hostnamelen = strlen((const char*)rnode->sysctl_data); 1198 break; 1199 case KERN_DOMAINNAME: 1200 domainnamelen = strlen((const char*)rnode->sysctl_data); 1201 break; 1202 } 1203 1204 return (0); 1205} 1206 1207/* 1208 * sysctl helper routine for kern.clockrate. assembles a struct on 1209 * the fly to be returned to the caller. 1210 */ 1211static int 1212sysctl_kern_clockrate(SYSCTLFN_ARGS) 1213{ 1214 struct clockinfo clkinfo; 1215 struct sysctlnode node; 1216 1217 clkinfo.tick = tick; 1218 clkinfo.tickadj = tickadj; 1219 clkinfo.hz = hz; 1220 clkinfo.profhz = profhz; 1221 clkinfo.stathz = stathz ? stathz : hz; 1222 1223 node = *rnode; 1224 node.sysctl_data = &clkinfo; 1225 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1226} 1227 1228 1229/* 1230 * sysctl helper routine for kern.file pseudo-subtree. 1231 */ 1232static int 1233sysctl_kern_file(SYSCTLFN_ARGS) 1234{ 1235 int error; 1236 size_t buflen; 1237 struct file *fp; 1238 char *start, *where; 1239 1240 start = where = oldp; 1241 buflen = *oldlenp; 1242 if (where == NULL) { 1243 /* 1244 * overestimate by 10 files 1245 */ 1246 *oldlenp = sizeof(filehead) + (nfiles + 10) * sizeof(struct file); 1247 return (0); 1248 } 1249 1250 /* 1251 * first copyout filehead 1252 */ 1253 if (buflen < sizeof(filehead)) { 1254 *oldlenp = 0; 1255 return (0); 1256 } 1257 error = copyout(&filehead, where, sizeof(filehead)); 1258 if (error) 1259 return (error); 1260 buflen -= sizeof(filehead); 1261 where += sizeof(filehead); 1262 1263 /* 1264 * followed by an array of file structures 1265 */ 1266 LIST_FOREACH(fp, &filehead, f_list) { 1267 if (CURTAIN(l->l_proc->p_ucred->cr_uid, fp->f_cred->cr_uid)) 1268 continue; 1269 if (buflen < sizeof(struct file)) { 1270 *oldlenp = where - start; 1271 return (ENOMEM); 1272 } 1273 error = copyout(fp, where, sizeof(struct file)); 1274 if (error) 1275 return (error); 1276 buflen -= sizeof(struct file); 1277 where += sizeof(struct file); 1278 } 1279 *oldlenp = where - start; 1280 return (0); 1281} 1282 1283/* 1284 * sysctl helper routine for kern.autonicetime and kern.autoniceval. 1285 * asserts that the assigned value is in the correct range. 1286 */ 1287static int 1288sysctl_kern_autonice(SYSCTLFN_ARGS) 1289{ 1290 int error, t = 0; 1291 struct sysctlnode node; 1292 1293 node = *rnode; 1294 t = *(int*)node.sysctl_data; 1295 node.sysctl_data = &t; 1296 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1297 if (error || newp == NULL) 1298 return (error); 1299 1300 switch (node.sysctl_num) { 1301 case KERN_AUTONICETIME: 1302 if (t >= 0) 1303 autonicetime = t; 1304 break; 1305 case KERN_AUTONICEVAL: 1306 if (t < PRIO_MIN) 1307 t = PRIO_MIN; 1308 else if (t > PRIO_MAX) 1309 t = PRIO_MAX; 1310 autoniceval = t; 1311 break; 1312 } 1313 1314 return (0); 1315} 1316 1317/* 1318 * sysctl helper routine for kern.msgbufsize and kern.msgbuf. for the 1319 * former it merely checks the message buffer is set up. for the latter, 1320 * it also copies out the data if necessary. 1321 */ 1322static int 1323sysctl_msgbuf(SYSCTLFN_ARGS) 1324{ 1325 char *where = oldp; 1326 size_t len, maxlen; 1327 long beg, end; 1328 int error; 1329 1330 if (!msgbufenabled || msgbufp->msg_magic != MSG_MAGIC) { 1331 msgbufenabled = 0; 1332 return (ENXIO); 1333 } 1334 1335 switch (rnode->sysctl_num) { 1336 case KERN_MSGBUFSIZE: { 1337 struct sysctlnode node = *rnode; 1338 int msg_bufs = (int)msgbufp->msg_bufs; 1339 node.sysctl_data = &msg_bufs; 1340 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1341 } 1342 case KERN_MSGBUF: 1343 break; 1344 default: 1345 return (EOPNOTSUPP); 1346 } 1347 1348 if (newp != NULL) 1349 return (EPERM); 1350 1351 if (oldp == NULL) { 1352 /* always return full buffer size */ 1353 *oldlenp = msgbufp->msg_bufs; 1354 return (0); 1355 } 1356 1357 error = 0; 1358 maxlen = MIN(msgbufp->msg_bufs, *oldlenp); 1359 1360 /* 1361 * First, copy from the write pointer to the end of 1362 * message buffer. 1363 */ 1364 beg = msgbufp->msg_bufx; 1365 end = msgbufp->msg_bufs; 1366 while (maxlen > 0) { 1367 len = MIN(end - beg, maxlen); 1368 if (len == 0) 1369 break; 1370 error = copyout(&msgbufp->msg_bufc[beg], where, len); 1371 if (error) 1372 break; 1373 where += len; 1374 maxlen -= len; 1375 1376 /* 1377 * ... then, copy from the beginning of message buffer to 1378 * the write pointer. 1379 */ 1380 beg = 0; 1381 end = msgbufp->msg_bufx; 1382 } 1383 1384 return (error); 1385} 1386 1387/* 1388 * sysctl helper routine for kern.defcorename. in the case of a new 1389 * string being assigned, check that it's not a zero-length string. 1390 * (XXX the check in -current doesn't work, but do we really care?) 1391 */ 1392static int 1393sysctl_kern_defcorename(SYSCTLFN_ARGS) 1394{ 1395 int error; 1396 char newcorename[MAXPATHLEN]; 1397 struct sysctlnode node; 1398 1399 node = *rnode; 1400 node.sysctl_data = &newcorename[0]; 1401 memcpy(node.sysctl_data, rnode->sysctl_data, MAXPATHLEN); 1402 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1403 if (error || newp == NULL) 1404 return (error); 1405 1406 /* 1407 * when sysctl_lookup() deals with a string, it's guaranteed 1408 * to come back nul terminated. so there. :) 1409 */ 1410 if (strlen(newcorename) == 0) 1411 return (EINVAL); 1412 1413 memcpy(rnode->sysctl_data, node.sysctl_data, MAXPATHLEN); 1414 1415 return (0); 1416} 1417 1418/* 1419 * sysctl helper routine for kern.cp_time node. adds up cpu time 1420 * across all cpus. 1421 */ 1422static int 1423sysctl_kern_cptime(SYSCTLFN_ARGS) 1424{ 1425 struct sysctlnode node = *rnode; 1426 1427#ifndef MULTIPROCESSOR 1428 1429 if (namelen == 1) { 1430 if (name[0] != 0) 1431 return (ENOENT); 1432 /* 1433 * you're allowed to ask for the zero'th processor 1434 */ 1435 name++; 1436 namelen--; 1437 } 1438 node.sysctl_data = curcpu()->ci_schedstate.spc_cp_time; 1439 node.sysctl_size = sizeof(curcpu()->ci_schedstate.spc_cp_time); 1440 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1441 1442#else /* MULTIPROCESSOR */ 1443 1444 u_int64_t *cp_time = NULL; 1445 int error, n = sysctl_ncpus(), i; 1446 struct cpu_info *ci; 1447 CPU_INFO_ITERATOR cii; 1448 1449 /* 1450 * if you specifically pass a buffer that is the size of the 1451 * sum, or if you are probing for the size, you get the "sum" 1452 * of cp_time (and the size thereof) across all processors. 1453 * 1454 * alternately, you can pass an additional mib number and get 1455 * cp_time for that particular processor. 1456 */ 1457 switch (namelen) { 1458 case 0: 1459 if (*oldlenp == sizeof(u_int64_t) * CPUSTATES || oldp == NULL) { 1460 node.sysctl_size = sizeof(u_int64_t) * CPUSTATES; 1461 n = -1; /* SUM */ 1462 } 1463 else { 1464 node.sysctl_size = n * sizeof(u_int64_t) * CPUSTATES; 1465 n = -2; /* ALL */ 1466 } 1467 break; 1468 case 1: 1469 if (name[0] < 0 || name[0] >= n) 1470 return (ENOENT); /* ENOSUCHPROCESSOR */ 1471 node.sysctl_size = sizeof(u_int64_t) * CPUSTATES; 1472 n = name[0]; 1473 /* 1474 * adjust these so that sysctl_lookup() will be happy 1475 */ 1476 name++; 1477 namelen--; 1478 break; 1479 default: 1480 return (EINVAL); 1481 } 1482 1483 cp_time = malloc(node.sysctl_size, M_TEMP, M_WAITOK|M_CANFAIL); 1484 if (cp_time == NULL) 1485 return (ENOMEM); 1486 node.sysctl_data = cp_time; 1487 memset(cp_time, 0, node.sysctl_size); 1488 1489 for (CPU_INFO_FOREACH(cii, ci)) { 1490 if (n <= 0) 1491 for (i = 0; i < CPUSTATES; i++) 1492 cp_time[i] += ci->ci_schedstate.spc_cp_time[i]; 1493 /* 1494 * if a specific processor was requested and we just 1495 * did it, we're done here 1496 */ 1497 if (n == 0) 1498 break; 1499 /* 1500 * if doing "all", skip to next cp_time set for next processor 1501 */ 1502 if (n == -2) 1503 cp_time += CPUSTATES; 1504 /* 1505 * if we're doing a specific processor, we're one 1506 * processor closer 1507 */ 1508 if (n > 0) 1509 n--; 1510 } 1511 1512 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1513 free(node.sysctl_data, M_TEMP); 1514 return (error); 1515 1516#endif /* MULTIPROCESSOR */ 1517} 1518 1519#if defined(SYSVMSG) || defined(SYSVSEM) || defined(SYSVSHM) 1520/* 1521 * sysctl helper routine for kern.sysvipc_info subtree. 1522 */ 1523 1524#define FILL_PERM(src, dst) do { \ 1525 (dst)._key = (src)._key; \ 1526 (dst).uid = (src).uid; \ 1527 (dst).gid = (src).gid; \ 1528 (dst).cuid = (src).cuid; \ 1529 (dst).cgid = (src).cgid; \ 1530 (dst).mode = (src).mode; \ 1531 (dst)._seq = (src)._seq; \ 1532} while (/*CONSTCOND*/ 0); 1533#define FILL_MSG(src, dst) do { \ 1534 FILL_PERM((src).msg_perm, (dst).msg_perm); \ 1535 (dst).msg_qnum = (src).msg_qnum; \ 1536 (dst).msg_qbytes = (src).msg_qbytes; \ 1537 (dst)._msg_cbytes = (src)._msg_cbytes; \ 1538 (dst).msg_lspid = (src).msg_lspid; \ 1539 (dst).msg_lrpid = (src).msg_lrpid; \ 1540 (dst).msg_stime = (src).msg_stime; \ 1541 (dst).msg_rtime = (src).msg_rtime; \ 1542 (dst).msg_ctime = (src).msg_ctime; \ 1543} while (/*CONSTCOND*/ 0) 1544#define FILL_SEM(src, dst) do { \ 1545 FILL_PERM((src).sem_perm, (dst).sem_perm); \ 1546 (dst).sem_nsems = (src).sem_nsems; \ 1547 (dst).sem_otime = (src).sem_otime; \ 1548 (dst).sem_ctime = (src).sem_ctime; \ 1549} while (/*CONSTCOND*/ 0) 1550#define FILL_SHM(src, dst) do { \ 1551 FILL_PERM((src).shm_perm, (dst).shm_perm); \ 1552 (dst).shm_segsz = (src).shm_segsz; \ 1553 (dst).shm_lpid = (src).shm_lpid; \ 1554 (dst).shm_cpid = (src).shm_cpid; \ 1555 (dst).shm_atime = (src).shm_atime; \ 1556 (dst).shm_dtime = (src).shm_dtime; \ 1557 (dst).shm_ctime = (src).shm_ctime; \ 1558 (dst).shm_nattch = (src).shm_nattch; \ 1559} while (/*CONSTCOND*/ 0) 1560 1561static int 1562sysctl_kern_sysvipc(SYSCTLFN_ARGS) 1563{ 1564 void *where = oldp; 1565 size_t *sizep = oldlenp; 1566#ifdef SYSVMSG 1567 struct msg_sysctl_info *msgsi = NULL; 1568#endif 1569#ifdef SYSVSEM 1570 struct sem_sysctl_info *semsi = NULL; 1571#endif 1572#ifdef SYSVSHM 1573 struct shm_sysctl_info *shmsi = NULL; 1574#endif 1575 size_t infosize, dssize, tsize, buflen; 1576 void *bf = NULL; 1577 char *start; 1578 int32_t nds; 1579 int i, error, ret; 1580 1581 if (namelen != 1) 1582 return (EINVAL); 1583 1584 start = where; 1585 buflen = *sizep; 1586 1587 switch (*name) { 1588 case KERN_SYSVIPC_MSG_INFO: 1589#ifdef SYSVMSG 1590 infosize = sizeof(msgsi->msginfo); 1591 nds = msginfo.msgmni; 1592 dssize = sizeof(msgsi->msgids[0]); 1593 break; 1594#else 1595 return (EINVAL); 1596#endif 1597 case KERN_SYSVIPC_SEM_INFO: 1598#ifdef SYSVSEM 1599 infosize = sizeof(semsi->seminfo); 1600 nds = seminfo.semmni; 1601 dssize = sizeof(semsi->semids[0]); 1602 break; 1603#else 1604 return (EINVAL); 1605#endif 1606 case KERN_SYSVIPC_SHM_INFO: 1607#ifdef SYSVSHM 1608 infosize = sizeof(shmsi->shminfo); 1609 nds = shminfo.shmmni; 1610 dssize = sizeof(shmsi->shmids[0]); 1611 break; 1612#else 1613 return (EINVAL); 1614#endif 1615 default: 1616 return (EINVAL); 1617 } 1618 /* 1619 * Round infosize to 64 bit boundary if requesting more than just 1620 * the info structure or getting the total data size. 1621 */ 1622 if (where == NULL || *sizep > infosize) 1623 infosize = ((infosize + 7) / 8) * 8; 1624 tsize = infosize + nds * dssize; 1625 1626 /* Return just the total size required. */ 1627 if (where == NULL) { 1628 *sizep = tsize; 1629 return (0); 1630 } 1631 1632 /* Not enough room for even the info struct. */ 1633 if (buflen < infosize) { 1634 *sizep = 0; 1635 return (ENOMEM); 1636 } 1637 bf = malloc(min(tsize, buflen), M_TEMP, M_WAITOK); 1638 memset(bf, 0, min(tsize, buflen)); 1639 1640 switch (*name) { 1641#ifdef SYSVMSG 1642 case KERN_SYSVIPC_MSG_INFO: 1643 msgsi = (struct msg_sysctl_info *)bf; 1644 msgsi->msginfo = msginfo; 1645 break; 1646#endif 1647#ifdef SYSVSEM 1648 case KERN_SYSVIPC_SEM_INFO: 1649 semsi = (struct sem_sysctl_info *)bf; 1650 semsi->seminfo = seminfo; 1651 break; 1652#endif 1653#ifdef SYSVSHM 1654 case KERN_SYSVIPC_SHM_INFO: 1655 shmsi = (struct shm_sysctl_info *)bf; 1656 shmsi->shminfo = shminfo; 1657 break; 1658#endif 1659 } 1660 buflen -= infosize; 1661 1662 ret = 0; 1663 if (buflen > 0) { 1664 /* Fill in the IPC data structures. */ 1665 for (i = 0; i < nds; i++) { 1666 if (buflen < dssize) { 1667 ret = ENOMEM; 1668 break; 1669 } 1670 switch (*name) { 1671#ifdef SYSVMSG 1672 case KERN_SYSVIPC_MSG_INFO: 1673 FILL_MSG(msqids[i], msgsi->msgids[i]); 1674 break; 1675#endif 1676#ifdef SYSVSEM 1677 case KERN_SYSVIPC_SEM_INFO: 1678 FILL_SEM(sema[i], semsi->semids[i]); 1679 break; 1680#endif 1681#ifdef SYSVSHM 1682 case KERN_SYSVIPC_SHM_INFO: 1683 FILL_SHM(shmsegs[i], shmsi->shmids[i]); 1684 break; 1685#endif 1686 } 1687 buflen -= dssize; 1688 } 1689 } 1690 *sizep -= buflen; 1691 error = copyout(bf, start, *sizep); 1692 /* If copyout succeeded, use return code set earlier. */ 1693 if (error == 0) 1694 error = ret; 1695 if (bf) 1696 free(bf, M_TEMP); 1697 return (error); 1698} 1699 1700#undef FILL_PERM 1701#undef FILL_MSG 1702#undef FILL_SEM 1703#undef FILL_SHM 1704 1705#endif /* defined(SYSVMSG) || defined(SYSVSEM) || defined(SYSVSHM) */ 1706 1707#if NPTY > 0 1708/* 1709 * sysctl helper routine for kern.maxptys. ensures that any new value 1710 * is acceptable to the pty subsystem. 1711 */ 1712static int 1713sysctl_kern_maxptys(SYSCTLFN_ARGS) 1714{ 1715 int pty_maxptys(int, int); /* defined in kern/tty_pty.c */ 1716 int error, xmax; 1717 struct sysctlnode node; 1718 1719 /* get current value of maxptys */ 1720 xmax = pty_maxptys(0, 0); 1721 1722 node = *rnode; 1723 node.sysctl_data = &xmax; 1724 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1725 if (error || newp == NULL) 1726 return (error); 1727 1728 if (xmax != pty_maxptys(xmax, 1)) 1729 return (EINVAL); 1730 1731 return (0); 1732} 1733#endif /* NPTY > 0 */ 1734 1735/* 1736 * sysctl helper routine for kern.sbmax. basically just ensures that 1737 * any new value is not too small. 1738 */ 1739static int 1740sysctl_kern_sbmax(SYSCTLFN_ARGS) 1741{ 1742 int error, new_sbmax; 1743 struct sysctlnode node; 1744 1745 new_sbmax = sb_max; 1746 node = *rnode; 1747 node.sysctl_data = &new_sbmax; 1748 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1749 if (error || newp == NULL) 1750 return (error); 1751 1752 error = sb_max_set(new_sbmax); 1753 1754 return (error); 1755} 1756 1757/* 1758 * sysctl helper routine for kern.urandom node. picks a random number 1759 * for you. 1760 */ 1761static int 1762sysctl_kern_urnd(SYSCTLFN_ARGS) 1763{ 1764#if NRND > 0 1765 int v; 1766 1767 if (rnd_extract_data(&v, sizeof(v), RND_EXTRACT_ANY) == sizeof(v)) { 1768 struct sysctlnode node = *rnode; 1769 node.sysctl_data = &v; 1770 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1771 } 1772 else 1773 return (EIO); /*XXX*/ 1774#else 1775 return (EOPNOTSUPP); 1776#endif 1777} 1778 1779/* 1780 * sysctl helper routine to do kern.lwp.* work. 1781 */ 1782static int 1783sysctl_kern_lwp(SYSCTLFN_ARGS) 1784{ 1785 struct kinfo_lwp klwp; 1786 struct proc *p; 1787 struct lwp *l2; 1788 char *where, *dp; 1789 int pid, elem_size, elem_count; 1790 int buflen, needed, error; 1791 1792 if (namelen == 1 && name[0] == CTL_QUERY) 1793 return (sysctl_query(SYSCTLFN_CALL(rnode))); 1794 1795 dp = where = oldp; 1796 buflen = where != NULL ? *oldlenp : 0; 1797 error = needed = 0; 1798 1799 if (newp != NULL || namelen != 3) 1800 return (EINVAL); 1801 pid = name[0]; 1802 elem_size = name[1]; 1803 elem_count = name[2]; 1804 1805 p = pfind(pid); 1806 if (p == NULL) 1807 return (ESRCH); 1808 LIST_FOREACH(l2, &p->p_lwps, l_sibling) { 1809 if (buflen >= elem_size && elem_count > 0) { 1810 fill_lwp(l2, &klwp); 1811 /* 1812 * Copy out elem_size, but not larger than 1813 * the size of a struct kinfo_proc2. 1814 */ 1815 error = copyout(&klwp, dp, 1816 min(sizeof(klwp), elem_size)); 1817 if (error) 1818 goto cleanup; 1819 dp += elem_size; 1820 buflen -= elem_size; 1821 elem_count--; 1822 } 1823 needed += elem_size; 1824 } 1825 1826 if (where != NULL) { 1827 *oldlenp = dp - where; 1828 if (needed > *oldlenp) 1829 return (ENOMEM); 1830 } else { 1831 needed += KERN_LWPSLOP; 1832 *oldlenp = needed; 1833 } 1834 return (0); 1835 cleanup: 1836 return (error); 1837} 1838 1839/* 1840 * sysctl helper routine for kern.forkfsleep node. ensures that the 1841 * given value is not too large or two small, and is at least one 1842 * timer tick if not zero. 1843 */ 1844static int 1845sysctl_kern_forkfsleep(SYSCTLFN_ARGS) 1846{ 1847 /* userland sees value in ms, internally is in ticks */ 1848 extern int forkfsleep; /* defined in kern/kern_fork.c */ 1849 int error, timo, lsleep; 1850 struct sysctlnode node; 1851 1852 lsleep = forkfsleep * 1000 / hz; 1853 node = *rnode; 1854 node.sysctl_data = &lsleep; 1855 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1856 if (error || newp == NULL) 1857 return (error); 1858 1859 /* refuse negative values, and overly 'long time' */ 1860 if (lsleep < 0 || lsleep > MAXSLP * 1000) 1861 return (EINVAL); 1862 1863 timo = mstohz(lsleep); 1864 1865 /* if the interval is >0 ms && <1 tick, use 1 tick */ 1866 if (lsleep != 0 && timo == 0) 1867 forkfsleep = 1; 1868 else 1869 forkfsleep = timo; 1870 1871 return (0); 1872} 1873 1874/* 1875 * sysctl helper routine for kern.root_partition 1876 */ 1877static int 1878sysctl_kern_root_partition(SYSCTLFN_ARGS) 1879{ 1880 int rootpart = DISKPART(rootdev); 1881 struct sysctlnode node = *rnode; 1882 1883 node.sysctl_data = &rootpart; 1884 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1885} 1886 1887/* 1888 * sysctl helper function for kern.drivers 1889 */ 1890static int 1891sysctl_kern_drivers(SYSCTLFN_ARGS) 1892{ 1893 int error; 1894 size_t buflen; 1895 struct kinfo_drivers kd; 1896 char *start, *where; 1897 const char *dname; 1898 int i; 1899 extern struct devsw_conv *devsw_conv; 1900 extern int max_devsw_convs; 1901 1902 if (newp != NULL || namelen != 0) 1903 return (EINVAL); 1904 1905 start = where = oldp; 1906 buflen = *oldlenp; 1907 if (where == NULL) { 1908 *oldlenp = max_devsw_convs * sizeof kd; 1909 return 0; 1910 } 1911 1912 /* 1913 * An array of kinfo_drivers structures 1914 */ 1915 error = 0; 1916 for (i = 0; i < max_devsw_convs; i++) { 1917 dname = devsw_conv[i].d_name; 1918 if (dname == NULL) 1919 continue; 1920 if (buflen < sizeof kd) { 1921 error = ENOMEM; 1922 break; 1923 } 1924 memset(&kd, 0, sizeof(kd)); 1925 kd.d_bmajor = devsw_conv[i].d_bmajor; 1926 kd.d_cmajor = devsw_conv[i].d_cmajor; 1927 strlcpy(kd.d_name, dname, sizeof kd.d_name); 1928 error = copyout(&kd, where, sizeof kd); 1929 if (error != 0) 1930 break; 1931 buflen -= sizeof kd; 1932 where += sizeof kd; 1933 } 1934 *oldlenp = where - start; 1935 return error; 1936} 1937 1938/* 1939 * sysctl helper function for kern.file2 1940 */ 1941static int 1942sysctl_kern_file2(SYSCTLFN_ARGS) 1943{ 1944 struct proc *p; 1945 struct file *fp; 1946 struct filedesc *fd; 1947 struct kinfo_file kf; 1948 char *dp; 1949 u_int i, op; 1950 size_t len, needed, elem_size, out_size; 1951 int error, arg, elem_count; 1952 1953 if (namelen == 1 && name[0] == CTL_QUERY) 1954 return (sysctl_query(SYSCTLFN_CALL(rnode))); 1955 1956 if (namelen != 4) 1957 return (EINVAL); 1958 1959 error = 0; 1960 dp = oldp; 1961 len = (oldp != NULL) ? *oldlenp : 0; 1962 op = name[0]; 1963 arg = name[1]; 1964 elem_size = name[2]; 1965 elem_count = name[3]; 1966 out_size = MIN(sizeof(kf), elem_size); 1967 needed = 0; 1968 1969 if (elem_size < 1 || elem_count < 0) 1970 return (EINVAL); 1971 1972 switch (op) { 1973 case KERN_FILE_BYFILE: 1974 /* 1975 * doesn't use arg so it must be zero 1976 */ 1977 if (arg != 0) 1978 return (EINVAL); 1979 LIST_FOREACH(fp, &filehead, f_list) { 1980 if (CURTAIN(l->l_proc->p_ucred->cr_uid, 1981 fp->f_cred->cr_uid)) 1982 continue; 1983 if (len >= elem_size && elem_count > 0) { 1984 fill_file(&kf, fp, NULL, 0); 1985 error = copyout(&kf, dp, out_size); 1986 if (error) 1987 break; 1988 dp += elem_size; 1989 len -= elem_size; 1990 } 1991 if (elem_count > 0) { 1992 needed += elem_size; 1993 if (elem_count != INT_MAX) 1994 elem_count--; 1995 } 1996 } 1997 break; 1998 case KERN_FILE_BYPID: 1999 if (arg < -1) 2000 /* -1 means all processes */ 2001 return (EINVAL); 2002 proclist_lock_read(); 2003 PROCLIST_FOREACH(p, &allproc) { 2004 if (p->p_stat == SIDL) 2005 /* skip embryonic processes */ 2006 continue; 2007 if (CURTAIN(l->l_proc->p_ucred->cr_uid, 2008 p->p_ucred->cr_uid)) 2009 continue; 2010 if (arg > 0 && p->p_pid != arg) 2011 /* pick only the one we want */ 2012 /* XXX want 0 to mean "kernel files" */ 2013 continue; 2014 fd = p->p_fd; 2015 for (i = 0; i < fd->fd_nfiles; i++) { 2016 fp = fd->fd_ofiles[i]; 2017 if (fp == NULL || !FILE_IS_USABLE(fp)) 2018 continue; 2019 if (len >= elem_size && elem_count > 0) { 2020 fill_file(&kf, fd->fd_ofiles[i], 2021 p, i); 2022 error = copyout(&kf, dp, out_size); 2023 if (error) 2024 break; 2025 dp += elem_size; 2026 len -= elem_size; 2027 } 2028 if (elem_count > 0) { 2029 needed += elem_size; 2030 if (elem_count != INT_MAX) 2031 elem_count--; 2032 } 2033 } 2034 } 2035 proclist_unlock_read(); 2036 break; 2037 default: 2038 return (EINVAL); 2039 } 2040 2041 if (oldp == NULL) 2042 needed += KERN_FILESLOP * elem_size; 2043 *oldlenp = needed; 2044 2045 return (error); 2046} 2047 2048static void 2049fill_file(struct kinfo_file *kp, const struct file *fp, struct proc *p, int i) 2050{ 2051 2052 memset(kp, 0, sizeof(*kp)); 2053 2054 kp->ki_fileaddr = PTRTOUINT64(fp); 2055 kp->ki_flag = fp->f_flag; 2056 kp->ki_iflags = fp->f_iflags; 2057 kp->ki_ftype = fp->f_type; 2058 kp->ki_count = fp->f_count; 2059 kp->ki_msgcount = fp->f_msgcount; 2060 kp->ki_usecount = fp->f_usecount; 2061 kp->ki_fucred = PTRTOUINT64(fp->f_cred); 2062 kp->ki_fuid = fp->f_cred->cr_uid; 2063 kp->ki_fgid = fp->f_cred->cr_gid; 2064 kp->ki_fops = PTRTOUINT64(fp->f_ops); 2065 kp->ki_foffset = fp->f_offset; 2066 kp->ki_fdata = PTRTOUINT64(fp->f_data); 2067 2068 /* vnode information to glue this file to something */ 2069 if (fp->f_type == DTYPE_VNODE) { 2070 struct vnode *vp = (struct vnode *)fp->f_data; 2071 2072 kp->ki_vun = PTRTOUINT64(vp->v_un.vu_socket); 2073 kp->ki_vsize = vp->v_size; 2074 kp->ki_vtype = vp->v_type; 2075 kp->ki_vtag = vp->v_tag; 2076 kp->ki_vdata = PTRTOUINT64(vp->v_data); 2077 } 2078 2079 /* process information when retrieved via KERN_FILE_BYPID */ 2080 if (p) { 2081 kp->ki_pid = p->p_pid; 2082 kp->ki_fd = i; 2083 kp->ki_ofileflags = p->p_fd->fd_ofileflags[i]; 2084 } 2085} 2086 2087static int 2088sysctl_doeproc(SYSCTLFN_ARGS) 2089{ 2090 struct eproc eproc; 2091 struct kinfo_proc2 kproc2; 2092 struct kinfo_proc *dp; 2093 struct proc *p; 2094 const struct proclist_desc *pd; 2095 char *where, *dp2; 2096 int type, op, arg; 2097 u_int elem_size, elem_count; 2098 size_t buflen, needed; 2099 int error; 2100 2101 if (namelen == 1 && name[0] == CTL_QUERY) 2102 return (sysctl_query(SYSCTLFN_CALL(rnode))); 2103 2104 dp = oldp; 2105 dp2 = where = oldp; 2106 buflen = where != NULL ? *oldlenp : 0; 2107 error = 0; 2108 needed = 0; 2109 type = rnode->sysctl_num; 2110 2111 if (type == KERN_PROC) { 2112 if (namelen != 2 && !(namelen == 1 && name[0] == KERN_PROC_ALL)) 2113 return (EINVAL); 2114 op = name[0]; 2115 if (op != KERN_PROC_ALL) 2116 arg = name[1]; 2117 else 2118 arg = 0; /* Quell compiler warning */ 2119 elem_size = elem_count = 0; /* Ditto */ 2120 } else { 2121 if (namelen != 4) 2122 return (EINVAL); 2123 op = name[0]; 2124 arg = name[1]; 2125 elem_size = name[2]; 2126 elem_count = name[3]; 2127 } 2128 2129 proclist_lock_read(); 2130 2131 pd = proclists; 2132again: 2133 PROCLIST_FOREACH(p, pd->pd_list) { 2134 /* 2135 * Skip embryonic processes. 2136 */ 2137 if (p->p_stat == SIDL) 2138 continue; 2139 2140 if (CURTAIN(l->l_proc->p_ucred->cr_uid, p->p_ucred->cr_uid)) 2141 continue; 2142 2143 /* 2144 * TODO - make more efficient (see notes below). 2145 * do by session. 2146 */ 2147 switch (op) { 2148 2149 case KERN_PROC_PID: 2150 /* could do this with just a lookup */ 2151 if (p->p_pid != (pid_t)arg) 2152 continue; 2153 break; 2154 2155 case KERN_PROC_PGRP: 2156 /* could do this by traversing pgrp */ 2157 if (p->p_pgrp->pg_id != (pid_t)arg) 2158 continue; 2159 break; 2160 2161 case KERN_PROC_SESSION: 2162 if (p->p_session->s_sid != (pid_t)arg) 2163 continue; 2164 break; 2165 2166 case KERN_PROC_TTY: 2167 if (arg == (int) KERN_PROC_TTY_REVOKE) { 2168 if ((p->p_flag & P_CONTROLT) == 0 || 2169 p->p_session->s_ttyp == NULL || 2170 p->p_session->s_ttyvp != NULL) 2171 continue; 2172 } else if ((p->p_flag & P_CONTROLT) == 0 || 2173 p->p_session->s_ttyp == NULL) { 2174 if ((dev_t)arg != KERN_PROC_TTY_NODEV) 2175 continue; 2176 } else if (p->p_session->s_ttyp->t_dev != (dev_t)arg) 2177 continue; 2178 break; 2179 2180 case KERN_PROC_UID: 2181 if (p->p_ucred->cr_uid != (uid_t)arg) 2182 continue; 2183 break; 2184 2185 case KERN_PROC_RUID: 2186 if (p->p_cred->p_ruid != (uid_t)arg) 2187 continue; 2188 break; 2189 2190 case KERN_PROC_GID: 2191 if (p->p_ucred->cr_gid != (uid_t)arg) 2192 continue; 2193 break; 2194 2195 case KERN_PROC_RGID: 2196 if (p->p_cred->p_rgid != (uid_t)arg) 2197 continue; 2198 break; 2199 2200 case KERN_PROC_ALL: 2201 /* allow everything */ 2202 break; 2203 2204 default: 2205 error = EINVAL; 2206 goto cleanup; 2207 } 2208 if (type == KERN_PROC) { 2209 if (buflen >= sizeof(struct kinfo_proc)) { 2210 fill_eproc(p, &eproc); 2211 error = copyout(p, &dp->kp_proc, 2212 sizeof(struct proc)); 2213 if (error) 2214 goto cleanup; 2215 error = copyout(&eproc, &dp->kp_eproc, 2216 sizeof(eproc)); 2217 if (error) 2218 goto cleanup; 2219 dp++; 2220 buflen -= sizeof(struct kinfo_proc); 2221 } 2222 needed += sizeof(struct kinfo_proc); 2223 } else { /* KERN_PROC2 */ 2224 if (buflen >= elem_size && elem_count > 0) { 2225 fill_kproc2(p, &kproc2); 2226 /* 2227 * Copy out elem_size, but not larger than 2228 * the size of a struct kinfo_proc2. 2229 */ 2230 error = copyout(&kproc2, dp2, 2231 min(sizeof(kproc2), elem_size)); 2232 if (error) 2233 goto cleanup; 2234 dp2 += elem_size; 2235 buflen -= elem_size; 2236 elem_count--; 2237 } 2238 needed += elem_size; 2239 } 2240 } 2241 pd++; 2242 if (pd->pd_list != NULL) 2243 goto again; 2244 proclist_unlock_read(); 2245 2246 if (where != NULL) { 2247 if (type == KERN_PROC) 2248 *oldlenp = (char *)dp - where; 2249 else 2250 *oldlenp = dp2 - where; 2251 if (needed > *oldlenp) 2252 return (ENOMEM); 2253 } else { 2254 needed += KERN_PROCSLOP; 2255 *oldlenp = needed; 2256 } 2257 return (0); 2258 cleanup: 2259 proclist_unlock_read(); 2260 return (error); 2261} 2262 2263/* 2264 * sysctl helper routine for kern.proc_args pseudo-subtree. 2265 */ 2266static int 2267sysctl_kern_proc_args(SYSCTLFN_ARGS) 2268{ 2269 struct ps_strings pss; 2270 struct proc *p, *up = l->l_proc; 2271 size_t len, upper_bound, xlen, i; 2272 struct uio auio; 2273 struct iovec aiov; 2274 vaddr_t argv; 2275 pid_t pid; 2276 int nargv, type, error; 2277 char *arg; 2278 char *tmp; 2279 2280 if (namelen == 1 && name[0] == CTL_QUERY) 2281 return (sysctl_query(SYSCTLFN_CALL(rnode))); 2282 2283 if (newp != NULL || namelen != 2) 2284 return (EINVAL); 2285 pid = name[0]; 2286 type = name[1]; 2287 2288 switch (type) { 2289 case KERN_PROC_ARGV: 2290 case KERN_PROC_NARGV: 2291 case KERN_PROC_ENV: 2292 case KERN_PROC_NENV: 2293 /* ok */ 2294 break; 2295 default: 2296 return (EINVAL); 2297 } 2298 2299 /* check pid */ 2300 if ((p = pfind(pid)) == NULL) 2301 return (EINVAL); 2302 2303 if (CURTAIN(l->l_proc->p_ucred->cr_uid, p->p_ucred->cr_uid)) 2304 return (EPERM); 2305 2306 /* only root or same user change look at the environment */ 2307 if (type == KERN_PROC_ENV || type == KERN_PROC_NENV) { 2308 if (up->p_ucred->cr_uid != 0) { 2309 if (up->p_cred->p_ruid != p->p_cred->p_ruid || 2310 up->p_cred->p_ruid != p->p_cred->p_svuid) 2311 return (EPERM); 2312 } 2313 } 2314 2315 if (oldp == NULL) { 2316 if (type == KERN_PROC_NARGV || type == KERN_PROC_NENV) 2317 *oldlenp = sizeof (int); 2318 else 2319 *oldlenp = ARG_MAX; /* XXX XXX XXX */ 2320 return (0); 2321 } 2322 2323 /* 2324 * Zombies don't have a stack, so we can't read their psstrings. 2325 * System processes also don't have a user stack. 2326 */ 2327 if (P_ZOMBIE(p) || (p->p_flag & P_SYSTEM) != 0) 2328 return (EINVAL); 2329 2330 /* 2331 * Lock the process down in memory. 2332 */ 2333 /* XXXCDC: how should locking work here? */ 2334 if ((p->p_flag & P_WEXIT) || (p->p_vmspace->vm_refcnt < 1)) 2335 return (EFAULT); 2336 2337 p->p_vmspace->vm_refcnt++; /* XXX */ 2338 2339 /* 2340 * Allocate a temporary buffer to hold the arguments. 2341 */ 2342 arg = malloc(PAGE_SIZE, M_TEMP, M_WAITOK); 2343 2344 /* 2345 * Read in the ps_strings structure. 2346 */ 2347 aiov.iov_base = &pss; 2348 aiov.iov_len = sizeof(pss); 2349 auio.uio_iov = &aiov; 2350 auio.uio_iovcnt = 1; 2351 auio.uio_offset = (vaddr_t)p->p_psstr; 2352 auio.uio_resid = sizeof(pss); 2353 auio.uio_segflg = UIO_SYSSPACE; 2354 auio.uio_rw = UIO_READ; 2355 auio.uio_procp = NULL; 2356 error = uvm_io(&p->p_vmspace->vm_map, &auio); 2357 if (error) 2358 goto done; 2359 2360 if (type == KERN_PROC_ARGV || type == KERN_PROC_NARGV) 2361 memcpy(&nargv, (char *)&pss + p->p_psnargv, sizeof(nargv)); 2362 else 2363 memcpy(&nargv, (char *)&pss + p->p_psnenv, sizeof(nargv)); 2364 if (type == KERN_PROC_NARGV || type == KERN_PROC_NENV) { 2365 error = copyout(&nargv, oldp, sizeof(nargv)); 2366 *oldlenp = sizeof(nargv); 2367 goto done; 2368 } 2369 /* 2370 * Now read the address of the argument vector. 2371 */ 2372 switch (type) { 2373 case KERN_PROC_ARGV: 2374 /* XXX compat32 stuff here */ 2375 memcpy(&tmp, (char *)&pss + p->p_psargv, sizeof(tmp)); 2376 break; 2377 case KERN_PROC_ENV: 2378 memcpy(&tmp, (char *)&pss + p->p_psenv, sizeof(tmp)); 2379 break; 2380 default: 2381 return (EINVAL); 2382 } 2383 auio.uio_offset = (off_t)(unsigned long)tmp; 2384 aiov.iov_base = &argv; 2385 aiov.iov_len = sizeof(argv); 2386 auio.uio_iov = &aiov; 2387 auio.uio_iovcnt = 1; 2388 auio.uio_resid = sizeof(argv); 2389 auio.uio_segflg = UIO_SYSSPACE; 2390 auio.uio_rw = UIO_READ; 2391 auio.uio_procp = NULL; 2392 error = uvm_io(&p->p_vmspace->vm_map, &auio); 2393 if (error) 2394 goto done; 2395 2396 /* 2397 * Now copy in the actual argument vector, one page at a time, 2398 * since we don't know how long the vector is (though, we do 2399 * know how many NUL-terminated strings are in the vector). 2400 */ 2401 len = 0; 2402 upper_bound = *oldlenp; 2403 for (; nargv != 0 && len < upper_bound; len += xlen) { 2404 aiov.iov_base = arg; 2405 aiov.iov_len = PAGE_SIZE; 2406 auio.uio_iov = &aiov; 2407 auio.uio_iovcnt = 1; 2408 auio.uio_offset = argv + len; 2409 xlen = PAGE_SIZE - ((argv + len) & PAGE_MASK); 2410 auio.uio_resid = xlen; 2411 auio.uio_segflg = UIO_SYSSPACE; 2412 auio.uio_rw = UIO_READ; 2413 auio.uio_procp = NULL; 2414 error = uvm_io(&p->p_vmspace->vm_map, &auio); 2415 if (error) 2416 goto done; 2417 2418 for (i = 0; i < xlen && nargv != 0; i++) { 2419 if (arg[i] == '\0') 2420 nargv--; /* one full string */ 2421 } 2422 2423 /* 2424 * Make sure we don't copyout past the end of the user's 2425 * buffer. 2426 */ 2427 if (len + i > upper_bound) 2428 i = upper_bound - len; 2429 2430 error = copyout(arg, (char *)oldp + len, i); 2431 if (error) 2432 break; 2433 2434 if (nargv == 0) { 2435 len += i; 2436 break; 2437 } 2438 } 2439 *oldlenp = len; 2440 2441done: 2442 uvmspace_free(p->p_vmspace); 2443 2444 free(arg, M_TEMP); 2445 return (error); 2446} 2447 2448/* 2449 * Sysctl helper routine for Verified Exec. 2450 */ 2451#ifdef VERIFIED_EXEC 2452static int 2453sysctl_kern_veriexec(SYSCTLFN_ARGS) 2454{ 2455 int newval, error; 2456 int *var = NULL, raise_only = 0; 2457 struct sysctlnode node; 2458 2459 node = *rnode; 2460 2461 switch (rnode->sysctl_num) { 2462 case VERIEXEC_STRICT: 2463 raise_only = 1; 2464 var = &veriexec_strict; 2465 break; 2466 case VERIEXEC_ALGORITHMS: 2467 node.sysctl_data = veriexec_fp_names; 2468 node.sysctl_size = strlen(veriexec_fp_names) + 1; 2469 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2470 default: 2471 return (EINVAL); 2472 } 2473 2474 newval = *var; 2475 2476 node.sysctl_data = &newval; 2477 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 2478 if (error || newp == NULL) { 2479 return (error); 2480 } 2481 2482 if (raise_only && (newval < *var)) 2483 return (EPERM); 2484 2485 *var = newval; 2486 2487 return (error); 2488} 2489#endif /* VERIFIED_EXEC */ 2490 2491/* 2492 * sysctl helper routine for kern.cp_id node. maps cpus to their 2493 * cpuids. 2494 */ 2495static int 2496sysctl_kern_cpid(SYSCTLFN_ARGS) 2497{ 2498 struct sysctlnode node = *rnode; 2499 2500#ifndef MULTIPROCESSOR 2501 u_int64_t id; 2502 2503 if (namelen == 1) { 2504 if (name[0] != 0) 2505 return (ENOENT); 2506 /* 2507 * you're allowed to ask for the zero'th processor 2508 */ 2509 name++; 2510 namelen--; 2511 } 2512 node.sysctl_data = &id; 2513 node.sysctl_size = sizeof(id); 2514 id = cpu_number(); 2515 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2516 2517#else /* MULTIPROCESSOR */ 2518 u_int64_t *cp_id = NULL; 2519 int error, n = sysctl_ncpus(); 2520 struct cpu_info *ci; 2521 CPU_INFO_ITERATOR cii; 2522 2523 /* 2524 * here you may either retrieve a single cpu id or the whole 2525 * set. the size you get back when probing depends on what 2526 * you ask for. 2527 */ 2528 switch (namelen) { 2529 case 0: 2530 node.sysctl_size = n * sizeof(u_int64_t); 2531 n = -2; /* ALL */ 2532 break; 2533 case 1: 2534 if (name[0] < 0 || name[0] >= n) 2535 return (ENOENT); /* ENOSUCHPROCESSOR */ 2536 node.sysctl_size = sizeof(u_int64_t); 2537 n = name[0]; 2538 /* 2539 * adjust these so that sysctl_lookup() will be happy 2540 */ 2541 name++; 2542 namelen--; 2543 break; 2544 default: 2545 return (EINVAL); 2546 } 2547 2548 cp_id = malloc(node.sysctl_size, M_TEMP, M_WAITOK|M_CANFAIL); 2549 if (cp_id == NULL) 2550 return (ENOMEM); 2551 node.sysctl_data = cp_id; 2552 memset(cp_id, 0, node.sysctl_size); 2553 2554 for (CPU_INFO_FOREACH(cii, ci)) { 2555 if (n <= 0) 2556 cp_id[0] = ci->ci_cpuid; 2557 /* 2558 * if a specific processor was requested and we just 2559 * did it, we're done here 2560 */ 2561 if (n == 0) 2562 break; 2563 /* 2564 * if doing "all", skip to next cp_id slot for next processor 2565 */ 2566 if (n == -2) 2567 cp_id++; 2568 /* 2569 * if we're doing a specific processor, we're one 2570 * processor closer 2571 */ 2572 if (n > 0) 2573 n--; 2574 } 2575 2576 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 2577 free(node.sysctl_data, M_TEMP); 2578 return (error); 2579 2580#endif /* MULTIPROCESSOR */ 2581} 2582 2583/* 2584 * sysctl helper routine for hw.usermem and hw.usermem64. values are 2585 * calculate on the fly taking into account integer overflow and the 2586 * current wired count. 2587 */ 2588static int 2589sysctl_hw_usermem(SYSCTLFN_ARGS) 2590{ 2591 u_int ui; 2592 u_quad_t uq; 2593 struct sysctlnode node; 2594 2595 node = *rnode; 2596 switch (rnode->sysctl_num) { 2597 case HW_USERMEM: 2598 if ((ui = physmem - uvmexp.wired) > (UINT_MAX / PAGE_SIZE)) 2599 ui = UINT_MAX; 2600 else 2601 ui *= PAGE_SIZE; 2602 node.sysctl_data = &ui; 2603 break; 2604 case HW_USERMEM64: 2605 uq = (u_quad_t)(physmem - uvmexp.wired) * PAGE_SIZE; 2606 node.sysctl_data = &uq; 2607 break; 2608 default: 2609 return (EINVAL); 2610 } 2611 2612 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2613} 2614 2615/* 2616 * sysctl helper routine for kern.cnmagic node. pulls the old value 2617 * out, encoded, and stuffs the new value in for decoding. 2618 */ 2619static int 2620sysctl_hw_cnmagic(SYSCTLFN_ARGS) 2621{ 2622 char magic[CNS_LEN]; 2623 int error; 2624 struct sysctlnode node; 2625 2626 if (oldp) 2627 cn_get_magic(magic, CNS_LEN); 2628 node = *rnode; 2629 node.sysctl_data = &magic[0]; 2630 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 2631 if (error || newp == NULL) 2632 return (error); 2633 2634 return (cn_set_magic(magic)); 2635} 2636 2637static int 2638sysctl_hw_ncpu(SYSCTLFN_ARGS) 2639{ 2640 int ncpu; 2641 struct sysctlnode node; 2642 2643 ncpu = sysctl_ncpus(); 2644 node = *rnode; 2645 node.sysctl_data = &ncpu; 2646 2647 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2648} 2649 2650 2651/* 2652 * ******************************************************************** 2653 * section 3: public helper routines that are used for more than one 2654 * node 2655 * ******************************************************************** 2656 */ 2657 2658/* 2659 * sysctl helper routine for the kern.root_device node and some ports' 2660 * machdep.root_device nodes. 2661 */ 2662int 2663sysctl_root_device(SYSCTLFN_ARGS) 2664{ 2665 struct sysctlnode node; 2666 2667 node = *rnode; 2668 node.sysctl_data = root_device->dv_xname; 2669 node.sysctl_size = strlen(root_device->dv_xname) + 1; 2670 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2671} 2672 2673/* 2674 * sysctl helper routine for kern.consdev, dependent on the current 2675 * state of the console. also used for machdep.console_device on some 2676 * ports. 2677 */ 2678int 2679sysctl_consdev(SYSCTLFN_ARGS) 2680{ 2681 dev_t consdev; 2682 struct sysctlnode node; 2683 2684 if (cn_tab != NULL) 2685 consdev = cn_tab->cn_dev; 2686 else 2687 consdev = NODEV; 2688 node = *rnode; 2689 node.sysctl_data = &consdev; 2690 node.sysctl_size = sizeof(consdev); 2691 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2692} 2693 2694/* 2695 * ******************************************************************** 2696 * section 4: support for some helpers 2697 * ******************************************************************** 2698 */ 2699 2700/* 2701 * Fill in a kinfo_proc2 structure for the specified process. 2702 */ 2703static void 2704fill_kproc2(struct proc *p, struct kinfo_proc2 *ki) 2705{ 2706 struct tty *tp; 2707 struct lwp *l; 2708 struct timeval ut, st; 2709 2710 memset(ki, 0, sizeof(*ki)); 2711 2712 ki->p_paddr = PTRTOUINT64(p); 2713 ki->p_fd = PTRTOUINT64(p->p_fd); 2714 ki->p_cwdi = PTRTOUINT64(p->p_cwdi); 2715 ki->p_stats = PTRTOUINT64(p->p_stats); 2716 ki->p_limit = PTRTOUINT64(p->p_limit); 2717 ki->p_vmspace = PTRTOUINT64(p->p_vmspace); 2718 ki->p_sigacts = PTRTOUINT64(p->p_sigacts); 2719 ki->p_sess = PTRTOUINT64(p->p_session); 2720 ki->p_tsess = 0; /* may be changed if controlling tty below */ 2721 ki->p_ru = PTRTOUINT64(p->p_ru); 2722 2723 ki->p_eflag = 0; 2724 ki->p_exitsig = p->p_exitsig; 2725 ki->p_flag = p->p_flag; 2726 2727 ki->p_pid = p->p_pid; 2728 if (p->p_pptr) 2729 ki->p_ppid = p->p_pptr->p_pid; 2730 else 2731 ki->p_ppid = 0; 2732 ki->p_sid = p->p_session->s_sid; 2733 ki->p__pgid = p->p_pgrp->pg_id; 2734 2735 ki->p_tpgid = NO_PGID; /* may be changed if controlling tty below */ 2736 2737 ki->p_uid = p->p_ucred->cr_uid; 2738 ki->p_ruid = p->p_cred->p_ruid; 2739 ki->p_gid = p->p_ucred->cr_gid; 2740 ki->p_rgid = p->p_cred->p_rgid; 2741 ki->p_svuid = p->p_cred->p_svuid; 2742 ki->p_svgid = p->p_cred->p_svgid; 2743 2744 memcpy(ki->p_groups, p->p_cred->pc_ucred->cr_groups, 2745 min(sizeof(ki->p_groups), sizeof(p->p_cred->pc_ucred->cr_groups))); 2746 ki->p_ngroups = p->p_cred->pc_ucred->cr_ngroups; 2747 2748 ki->p_jobc = p->p_pgrp->pg_jobc; 2749 if ((p->p_flag & P_CONTROLT) && (tp = p->p_session->s_ttyp)) { 2750 ki->p_tdev = tp->t_dev; 2751 ki->p_tpgid = tp->t_pgrp ? tp->t_pgrp->pg_id : NO_PGID; 2752 ki->p_tsess = PTRTOUINT64(tp->t_session); 2753 } else { 2754 ki->p_tdev = NODEV; 2755 } 2756 2757 ki->p_estcpu = p->p_estcpu; 2758 ki->p_rtime_sec = p->p_rtime.tv_sec; 2759 ki->p_rtime_usec = p->p_rtime.tv_usec; 2760 ki->p_cpticks = p->p_cpticks; 2761 ki->p_pctcpu = p->p_pctcpu; 2762 2763 ki->p_uticks = p->p_uticks; 2764 ki->p_sticks = p->p_sticks; 2765 ki->p_iticks = p->p_iticks; 2766 2767 ki->p_tracep = PTRTOUINT64(p->p_tracep); 2768 ki->p_traceflag = p->p_traceflag; 2769 2770 2771 memcpy(&ki->p_siglist, &p->p_sigctx.ps_siglist, sizeof(ki_sigset_t)); 2772 memcpy(&ki->p_sigmask, &p->p_sigctx.ps_sigmask, sizeof(ki_sigset_t)); 2773 memcpy(&ki->p_sigignore, &p->p_sigctx.ps_sigignore,sizeof(ki_sigset_t)); 2774 memcpy(&ki->p_sigcatch, &p->p_sigctx.ps_sigcatch, sizeof(ki_sigset_t)); 2775 2776 ki->p_stat = p->p_stat; /* Will likely be overridden by LWP status */ 2777 ki->p_realstat = p->p_stat; 2778 ki->p_nice = p->p_nice; 2779 2780 ki->p_xstat = p->p_xstat; 2781 ki->p_acflag = p->p_acflag; 2782 2783 strncpy(ki->p_comm, p->p_comm, 2784 min(sizeof(ki->p_comm), sizeof(p->p_comm))); 2785 2786 strncpy(ki->p_login, p->p_session->s_login, 2787 min(sizeof ki->p_login - 1, sizeof p->p_session->s_login)); 2788 2789 ki->p_nlwps = p->p_nlwps; 2790 ki->p_nrlwps = p->p_nrlwps; 2791 ki->p_realflag = p->p_flag; 2792 2793 if (p->p_stat == SIDL || P_ZOMBIE(p)) { 2794 ki->p_vm_rssize = 0; 2795 ki->p_vm_tsize = 0; 2796 ki->p_vm_dsize = 0; 2797 ki->p_vm_ssize = 0; 2798 l = NULL; 2799 } else { 2800 struct vmspace *vm = p->p_vmspace; 2801 2802 ki->p_vm_rssize = vm_resident_count(vm); 2803 ki->p_vm_tsize = vm->vm_tsize; 2804 ki->p_vm_dsize = vm->vm_dsize; 2805 ki->p_vm_ssize = vm->vm_ssize; 2806 2807 /* Pick a "representative" LWP */ 2808 l = proc_representative_lwp(p); 2809 ki->p_forw = PTRTOUINT64(l->l_forw); 2810 ki->p_back = PTRTOUINT64(l->l_back); 2811 ki->p_addr = PTRTOUINT64(l->l_addr); 2812 ki->p_stat = l->l_stat; 2813 ki->p_flag |= l->l_flag; 2814 ki->p_swtime = l->l_swtime; 2815 ki->p_slptime = l->l_slptime; 2816 if (l->l_stat == LSONPROC) { 2817 KDASSERT(l->l_cpu != NULL); 2818 ki->p_schedflags = l->l_cpu->ci_schedstate.spc_flags; 2819 } else 2820 ki->p_schedflags = 0; 2821 ki->p_holdcnt = l->l_holdcnt; 2822 ki->p_priority = l->l_priority; 2823 ki->p_usrpri = l->l_usrpri; 2824 if (l->l_wmesg) 2825 strncpy(ki->p_wmesg, l->l_wmesg, sizeof(ki->p_wmesg)); 2826 ki->p_wchan = PTRTOUINT64(l->l_wchan); 2827 2828 } 2829 2830 if (p->p_session->s_ttyvp) 2831 ki->p_eflag |= EPROC_CTTY; 2832 if (SESS_LEADER(p)) 2833 ki->p_eflag |= EPROC_SLEADER; 2834 2835 /* XXX Is this double check necessary? */ 2836 if (P_ZOMBIE(p)) { 2837 ki->p_uvalid = 0; 2838 } else { 2839 ki->p_uvalid = 1; 2840 2841 ki->p_ustart_sec = p->p_stats->p_start.tv_sec; 2842 ki->p_ustart_usec = p->p_stats->p_start.tv_usec; 2843 2844 calcru(p, &ut, &st, 0); 2845 ki->p_uutime_sec = ut.tv_sec; 2846 ki->p_uutime_usec = ut.tv_usec; 2847 ki->p_ustime_sec = st.tv_sec; 2848 ki->p_ustime_usec = st.tv_usec; 2849 2850 ki->p_uru_maxrss = p->p_stats->p_ru.ru_maxrss; 2851 ki->p_uru_ixrss = p->p_stats->p_ru.ru_ixrss; 2852 ki->p_uru_idrss = p->p_stats->p_ru.ru_idrss; 2853 ki->p_uru_isrss = p->p_stats->p_ru.ru_isrss; 2854 ki->p_uru_minflt = p->p_stats->p_ru.ru_minflt; 2855 ki->p_uru_majflt = p->p_stats->p_ru.ru_majflt; 2856 ki->p_uru_nswap = p->p_stats->p_ru.ru_nswap; 2857 ki->p_uru_inblock = p->p_stats->p_ru.ru_inblock; 2858 ki->p_uru_oublock = p->p_stats->p_ru.ru_oublock; 2859 ki->p_uru_msgsnd = p->p_stats->p_ru.ru_msgsnd; 2860 ki->p_uru_msgrcv = p->p_stats->p_ru.ru_msgrcv; 2861 ki->p_uru_nsignals = p->p_stats->p_ru.ru_nsignals; 2862 ki->p_uru_nvcsw = p->p_stats->p_ru.ru_nvcsw; 2863 ki->p_uru_nivcsw = p->p_stats->p_ru.ru_nivcsw; 2864 2865 timeradd(&p->p_stats->p_cru.ru_utime, 2866 &p->p_stats->p_cru.ru_stime, &ut); 2867 ki->p_uctime_sec = ut.tv_sec; 2868 ki->p_uctime_usec = ut.tv_usec; 2869 } 2870#ifdef MULTIPROCESSOR 2871 if (l && l->l_cpu != NULL) 2872 ki->p_cpuid = l->l_cpu->ci_cpuid; 2873 else 2874#endif 2875 ki->p_cpuid = KI_NOCPU; 2876} 2877 2878/* 2879 * Fill in a kinfo_lwp structure for the specified lwp. 2880 */ 2881static void 2882fill_lwp(struct lwp *l, struct kinfo_lwp *kl) 2883{ 2884 2885 kl->l_forw = PTRTOUINT64(l->l_forw); 2886 kl->l_back = PTRTOUINT64(l->l_back); 2887 kl->l_laddr = PTRTOUINT64(l); 2888 kl->l_addr = PTRTOUINT64(l->l_addr); 2889 kl->l_stat = l->l_stat; 2890 kl->l_lid = l->l_lid; 2891 kl->l_flag = l->l_flag; 2892 2893 kl->l_swtime = l->l_swtime; 2894 kl->l_slptime = l->l_slptime; 2895 if (l->l_stat == LSONPROC) { 2896 KDASSERT(l->l_cpu != NULL); 2897 kl->l_schedflags = l->l_cpu->ci_schedstate.spc_flags; 2898 } else 2899 kl->l_schedflags = 0; 2900 kl->l_holdcnt = l->l_holdcnt; 2901 kl->l_priority = l->l_priority; 2902 kl->l_usrpri = l->l_usrpri; 2903 if (l->l_wmesg) 2904 strncpy(kl->l_wmesg, l->l_wmesg, sizeof(kl->l_wmesg)); 2905 kl->l_wchan = PTRTOUINT64(l->l_wchan); 2906#ifdef MULTIPROCESSOR 2907 if (l->l_cpu != NULL) 2908 kl->l_cpuid = l->l_cpu->ci_cpuid; 2909 else 2910#endif 2911 kl->l_cpuid = KI_NOCPU; 2912} 2913 2914/* 2915 * Fill in an eproc structure for the specified process. 2916 */ 2917void 2918fill_eproc(struct proc *p, struct eproc *ep) 2919{ 2920 struct tty *tp; 2921 struct lwp *l; 2922 2923 ep->e_paddr = p; 2924 ep->e_sess = p->p_session; 2925 ep->e_pcred = *p->p_cred; 2926 ep->e_ucred = *p->p_ucred; 2927 if (p->p_stat == SIDL || P_ZOMBIE(p)) { 2928 ep->e_vm.vm_rssize = 0; 2929 ep->e_vm.vm_tsize = 0; 2930 ep->e_vm.vm_dsize = 0; 2931 ep->e_vm.vm_ssize = 0; 2932 /* ep->e_vm.vm_pmap = XXX; */ 2933 } else { 2934 struct vmspace *vm = p->p_vmspace; 2935 2936 ep->e_vm.vm_rssize = vm_resident_count(vm); 2937 ep->e_vm.vm_tsize = vm->vm_tsize; 2938 ep->e_vm.vm_dsize = vm->vm_dsize; 2939 ep->e_vm.vm_ssize = vm->vm_ssize; 2940 2941 /* Pick a "representative" LWP */ 2942 l = proc_representative_lwp(p); 2943 2944 if (l->l_wmesg) 2945 strncpy(ep->e_wmesg, l->l_wmesg, WMESGLEN); 2946 } 2947 if (p->p_pptr) 2948 ep->e_ppid = p->p_pptr->p_pid; 2949 else 2950 ep->e_ppid = 0; 2951 ep->e_pgid = p->p_pgrp->pg_id; 2952 ep->e_sid = ep->e_sess->s_sid; 2953 ep->e_jobc = p->p_pgrp->pg_jobc; 2954 if ((p->p_flag & P_CONTROLT) && 2955 (tp = ep->e_sess->s_ttyp)) { 2956 ep->e_tdev = tp->t_dev; 2957 ep->e_tpgid = tp->t_pgrp ? tp->t_pgrp->pg_id : NO_PGID; 2958 ep->e_tsess = tp->t_session; 2959 } else 2960 ep->e_tdev = NODEV; 2961 2962 ep->e_xsize = ep->e_xrssize = 0; 2963 ep->e_xccount = ep->e_xswrss = 0; 2964 ep->e_flag = ep->e_sess->s_ttyvp ? EPROC_CTTY : 0; 2965 if (SESS_LEADER(p)) 2966 ep->e_flag |= EPROC_SLEADER; 2967 strncpy(ep->e_login, ep->e_sess->s_login, MAXLOGNAME); 2968} 2969