init_sysctl.c revision 1.57
1/* $NetBSD: init_sysctl.c,v 1.57 2005/12/05 00:16:34 christos 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 1.57 2005/12/05 00:16:34 christos 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 timespec ts, delta; 1079 int 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 nanotime(&ts); 1096 delta.tv_sec = 60 * (new_rtc_offset - rtc_offset); 1097 delta.tv_nsec = 0; 1098 timespecadd(&ts, &delta, &ts); 1099 rtc_offset = new_rtc_offset; 1100 settime(l->l_proc, &ts); 1101 1102 return (0); 1103} 1104 1105/* 1106 * sysctl helper routine for kern.maxproc. ensures that the new 1107 * values are not too low or too high. 1108 */ 1109static int 1110sysctl_kern_maxproc(SYSCTLFN_ARGS) 1111{ 1112 int error, nmaxproc; 1113 struct sysctlnode node; 1114 1115 nmaxproc = maxproc; 1116 node = *rnode; 1117 node.sysctl_data = &nmaxproc; 1118 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1119 if (error || newp == NULL) 1120 return (error); 1121 1122 if (nmaxproc < 0 || nmaxproc >= PID_MAX) 1123 return (EINVAL); 1124#ifdef __HAVE_CPU_MAXPROC 1125 if (nmaxproc > cpu_maxproc()) 1126 return (EINVAL); 1127#endif 1128 maxproc = nmaxproc; 1129 1130 return (0); 1131} 1132 1133/* 1134 * sysctl helper routine for kern.securelevel. ensures that the value 1135 * only rises unless the caller has pid 1 (assumed to be init). 1136 */ 1137static int 1138sysctl_kern_securelevel(SYSCTLFN_ARGS) 1139{ 1140 int newsecurelevel, error; 1141 struct sysctlnode node; 1142 1143 newsecurelevel = securelevel; 1144 node = *rnode; 1145 node.sysctl_data = &newsecurelevel; 1146 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1147 if (error || newp == NULL) 1148 return (error); 1149 1150 if (newsecurelevel < securelevel && l && l->l_proc->p_pid != 1) 1151 return (EPERM); 1152 securelevel = newsecurelevel; 1153 1154 return (error); 1155} 1156 1157/* 1158 * sysctl helper function for kern.hostid. the hostid is a long, but 1159 * we export it as an int, so we need to give it a little help. 1160 */ 1161static int 1162sysctl_kern_hostid(SYSCTLFN_ARGS) 1163{ 1164 int error, inthostid; 1165 struct sysctlnode node; 1166 1167 inthostid = hostid; /* XXX assumes sizeof int <= sizeof long */ 1168 node = *rnode; 1169 node.sysctl_data = &inthostid; 1170 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1171 if (error || newp == NULL) 1172 return (error); 1173 1174 hostid = (unsigned)inthostid; 1175 1176 return (0); 1177} 1178 1179/* 1180 * sysctl helper function for kern.hostname and kern.domainnname. 1181 * resets the relevant recorded length when the underlying name is 1182 * changed. 1183 */ 1184static int 1185sysctl_setlen(SYSCTLFN_ARGS) 1186{ 1187 int error; 1188 1189 error = sysctl_lookup(SYSCTLFN_CALL(rnode)); 1190 if (error || newp == NULL) 1191 return (error); 1192 1193 switch (rnode->sysctl_num) { 1194 case KERN_HOSTNAME: 1195 hostnamelen = strlen((const char*)rnode->sysctl_data); 1196 break; 1197 case KERN_DOMAINNAME: 1198 domainnamelen = strlen((const char*)rnode->sysctl_data); 1199 break; 1200 } 1201 1202 return (0); 1203} 1204 1205/* 1206 * sysctl helper routine for kern.clockrate. assembles a struct on 1207 * the fly to be returned to the caller. 1208 */ 1209static int 1210sysctl_kern_clockrate(SYSCTLFN_ARGS) 1211{ 1212 struct clockinfo clkinfo; 1213 struct sysctlnode node; 1214 1215 clkinfo.tick = tick; 1216 clkinfo.tickadj = tickadj; 1217 clkinfo.hz = hz; 1218 clkinfo.profhz = profhz; 1219 clkinfo.stathz = stathz ? stathz : hz; 1220 1221 node = *rnode; 1222 node.sysctl_data = &clkinfo; 1223 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1224} 1225 1226 1227/* 1228 * sysctl helper routine for kern.file pseudo-subtree. 1229 */ 1230static int 1231sysctl_kern_file(SYSCTLFN_ARGS) 1232{ 1233 int error; 1234 size_t buflen; 1235 struct file *fp; 1236 char *start, *where; 1237 1238 start = where = oldp; 1239 buflen = *oldlenp; 1240 if (where == NULL) { 1241 /* 1242 * overestimate by 10 files 1243 */ 1244 *oldlenp = sizeof(filehead) + (nfiles + 10) * sizeof(struct file); 1245 return (0); 1246 } 1247 1248 /* 1249 * first copyout filehead 1250 */ 1251 if (buflen < sizeof(filehead)) { 1252 *oldlenp = 0; 1253 return (0); 1254 } 1255 error = copyout(&filehead, where, sizeof(filehead)); 1256 if (error) 1257 return (error); 1258 buflen -= sizeof(filehead); 1259 where += sizeof(filehead); 1260 1261 /* 1262 * followed by an array of file structures 1263 */ 1264 LIST_FOREACH(fp, &filehead, f_list) { 1265 if (CURTAIN(l->l_proc->p_ucred->cr_uid, fp->f_cred->cr_uid)) 1266 continue; 1267 if (buflen < sizeof(struct file)) { 1268 *oldlenp = where - start; 1269 return (ENOMEM); 1270 } 1271 error = copyout(fp, where, sizeof(struct file)); 1272 if (error) 1273 return (error); 1274 buflen -= sizeof(struct file); 1275 where += sizeof(struct file); 1276 } 1277 *oldlenp = where - start; 1278 return (0); 1279} 1280 1281/* 1282 * sysctl helper routine for kern.autonicetime and kern.autoniceval. 1283 * asserts that the assigned value is in the correct range. 1284 */ 1285static int 1286sysctl_kern_autonice(SYSCTLFN_ARGS) 1287{ 1288 int error, t = 0; 1289 struct sysctlnode node; 1290 1291 node = *rnode; 1292 t = *(int*)node.sysctl_data; 1293 node.sysctl_data = &t; 1294 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1295 if (error || newp == NULL) 1296 return (error); 1297 1298 switch (node.sysctl_num) { 1299 case KERN_AUTONICETIME: 1300 if (t >= 0) 1301 autonicetime = t; 1302 break; 1303 case KERN_AUTONICEVAL: 1304 if (t < PRIO_MIN) 1305 t = PRIO_MIN; 1306 else if (t > PRIO_MAX) 1307 t = PRIO_MAX; 1308 autoniceval = t; 1309 break; 1310 } 1311 1312 return (0); 1313} 1314 1315/* 1316 * sysctl helper routine for kern.msgbufsize and kern.msgbuf. for the 1317 * former it merely checks the message buffer is set up. for the latter, 1318 * it also copies out the data if necessary. 1319 */ 1320static int 1321sysctl_msgbuf(SYSCTLFN_ARGS) 1322{ 1323 char *where = oldp; 1324 size_t len, maxlen; 1325 long beg, end; 1326 int error; 1327 1328 if (!msgbufenabled || msgbufp->msg_magic != MSG_MAGIC) { 1329 msgbufenabled = 0; 1330 return (ENXIO); 1331 } 1332 1333 switch (rnode->sysctl_num) { 1334 case KERN_MSGBUFSIZE: { 1335 struct sysctlnode node = *rnode; 1336 int msg_bufs = (int)msgbufp->msg_bufs; 1337 node.sysctl_data = &msg_bufs; 1338 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1339 } 1340 case KERN_MSGBUF: 1341 break; 1342 default: 1343 return (EOPNOTSUPP); 1344 } 1345 1346 if (newp != NULL) 1347 return (EPERM); 1348 1349 if (oldp == NULL) { 1350 /* always return full buffer size */ 1351 *oldlenp = msgbufp->msg_bufs; 1352 return (0); 1353 } 1354 1355 error = 0; 1356 maxlen = MIN(msgbufp->msg_bufs, *oldlenp); 1357 1358 /* 1359 * First, copy from the write pointer to the end of 1360 * message buffer. 1361 */ 1362 beg = msgbufp->msg_bufx; 1363 end = msgbufp->msg_bufs; 1364 while (maxlen > 0) { 1365 len = MIN(end - beg, maxlen); 1366 if (len == 0) 1367 break; 1368 error = copyout(&msgbufp->msg_bufc[beg], where, len); 1369 if (error) 1370 break; 1371 where += len; 1372 maxlen -= len; 1373 1374 /* 1375 * ... then, copy from the beginning of message buffer to 1376 * the write pointer. 1377 */ 1378 beg = 0; 1379 end = msgbufp->msg_bufx; 1380 } 1381 1382 return (error); 1383} 1384 1385/* 1386 * sysctl helper routine for kern.defcorename. in the case of a new 1387 * string being assigned, check that it's not a zero-length string. 1388 * (XXX the check in -current doesn't work, but do we really care?) 1389 */ 1390static int 1391sysctl_kern_defcorename(SYSCTLFN_ARGS) 1392{ 1393 int error; 1394 char newcorename[MAXPATHLEN]; 1395 struct sysctlnode node; 1396 1397 node = *rnode; 1398 node.sysctl_data = &newcorename[0]; 1399 memcpy(node.sysctl_data, rnode->sysctl_data, MAXPATHLEN); 1400 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1401 if (error || newp == NULL) 1402 return (error); 1403 1404 /* 1405 * when sysctl_lookup() deals with a string, it's guaranteed 1406 * to come back nul terminated. so there. :) 1407 */ 1408 if (strlen(newcorename) == 0) 1409 return (EINVAL); 1410 1411 memcpy(rnode->sysctl_data, node.sysctl_data, MAXPATHLEN); 1412 1413 return (0); 1414} 1415 1416/* 1417 * sysctl helper routine for kern.cp_time node. adds up cpu time 1418 * across all cpus. 1419 */ 1420static int 1421sysctl_kern_cptime(SYSCTLFN_ARGS) 1422{ 1423 struct sysctlnode node = *rnode; 1424 1425#ifndef MULTIPROCESSOR 1426 1427 if (namelen == 1) { 1428 if (name[0] != 0) 1429 return (ENOENT); 1430 /* 1431 * you're allowed to ask for the zero'th processor 1432 */ 1433 name++; 1434 namelen--; 1435 } 1436 node.sysctl_data = curcpu()->ci_schedstate.spc_cp_time; 1437 node.sysctl_size = sizeof(curcpu()->ci_schedstate.spc_cp_time); 1438 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1439 1440#else /* MULTIPROCESSOR */ 1441 1442 u_int64_t *cp_time = NULL; 1443 int error, n = sysctl_ncpus(), i; 1444 struct cpu_info *ci; 1445 CPU_INFO_ITERATOR cii; 1446 1447 /* 1448 * if you specifically pass a buffer that is the size of the 1449 * sum, or if you are probing for the size, you get the "sum" 1450 * of cp_time (and the size thereof) across all processors. 1451 * 1452 * alternately, you can pass an additional mib number and get 1453 * cp_time for that particular processor. 1454 */ 1455 switch (namelen) { 1456 case 0: 1457 if (*oldlenp == sizeof(u_int64_t) * CPUSTATES || oldp == NULL) { 1458 node.sysctl_size = sizeof(u_int64_t) * CPUSTATES; 1459 n = -1; /* SUM */ 1460 } 1461 else { 1462 node.sysctl_size = n * sizeof(u_int64_t) * CPUSTATES; 1463 n = -2; /* ALL */ 1464 } 1465 break; 1466 case 1: 1467 if (name[0] < 0 || name[0] >= n) 1468 return (ENOENT); /* ENOSUCHPROCESSOR */ 1469 node.sysctl_size = sizeof(u_int64_t) * CPUSTATES; 1470 n = name[0]; 1471 /* 1472 * adjust these so that sysctl_lookup() will be happy 1473 */ 1474 name++; 1475 namelen--; 1476 break; 1477 default: 1478 return (EINVAL); 1479 } 1480 1481 cp_time = malloc(node.sysctl_size, M_TEMP, M_WAITOK|M_CANFAIL); 1482 if (cp_time == NULL) 1483 return (ENOMEM); 1484 node.sysctl_data = cp_time; 1485 memset(cp_time, 0, node.sysctl_size); 1486 1487 for (CPU_INFO_FOREACH(cii, ci)) { 1488 if (n <= 0) 1489 for (i = 0; i < CPUSTATES; i++) 1490 cp_time[i] += ci->ci_schedstate.spc_cp_time[i]; 1491 /* 1492 * if a specific processor was requested and we just 1493 * did it, we're done here 1494 */ 1495 if (n == 0) 1496 break; 1497 /* 1498 * if doing "all", skip to next cp_time set for next processor 1499 */ 1500 if (n == -2) 1501 cp_time += CPUSTATES; 1502 /* 1503 * if we're doing a specific processor, we're one 1504 * processor closer 1505 */ 1506 if (n > 0) 1507 n--; 1508 } 1509 1510 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1511 free(node.sysctl_data, M_TEMP); 1512 return (error); 1513 1514#endif /* MULTIPROCESSOR */ 1515} 1516 1517#if defined(SYSVMSG) || defined(SYSVSEM) || defined(SYSVSHM) 1518/* 1519 * sysctl helper routine for kern.sysvipc_info subtree. 1520 */ 1521 1522#define FILL_PERM(src, dst) do { \ 1523 (dst)._key = (src)._key; \ 1524 (dst).uid = (src).uid; \ 1525 (dst).gid = (src).gid; \ 1526 (dst).cuid = (src).cuid; \ 1527 (dst).cgid = (src).cgid; \ 1528 (dst).mode = (src).mode; \ 1529 (dst)._seq = (src)._seq; \ 1530} while (/*CONSTCOND*/ 0); 1531#define FILL_MSG(src, dst) do { \ 1532 FILL_PERM((src).msg_perm, (dst).msg_perm); \ 1533 (dst).msg_qnum = (src).msg_qnum; \ 1534 (dst).msg_qbytes = (src).msg_qbytes; \ 1535 (dst)._msg_cbytes = (src)._msg_cbytes; \ 1536 (dst).msg_lspid = (src).msg_lspid; \ 1537 (dst).msg_lrpid = (src).msg_lrpid; \ 1538 (dst).msg_stime = (src).msg_stime; \ 1539 (dst).msg_rtime = (src).msg_rtime; \ 1540 (dst).msg_ctime = (src).msg_ctime; \ 1541} while (/*CONSTCOND*/ 0) 1542#define FILL_SEM(src, dst) do { \ 1543 FILL_PERM((src).sem_perm, (dst).sem_perm); \ 1544 (dst).sem_nsems = (src).sem_nsems; \ 1545 (dst).sem_otime = (src).sem_otime; \ 1546 (dst).sem_ctime = (src).sem_ctime; \ 1547} while (/*CONSTCOND*/ 0) 1548#define FILL_SHM(src, dst) do { \ 1549 FILL_PERM((src).shm_perm, (dst).shm_perm); \ 1550 (dst).shm_segsz = (src).shm_segsz; \ 1551 (dst).shm_lpid = (src).shm_lpid; \ 1552 (dst).shm_cpid = (src).shm_cpid; \ 1553 (dst).shm_atime = (src).shm_atime; \ 1554 (dst).shm_dtime = (src).shm_dtime; \ 1555 (dst).shm_ctime = (src).shm_ctime; \ 1556 (dst).shm_nattch = (src).shm_nattch; \ 1557} while (/*CONSTCOND*/ 0) 1558 1559static int 1560sysctl_kern_sysvipc(SYSCTLFN_ARGS) 1561{ 1562 void *where = oldp; 1563 size_t *sizep = oldlenp; 1564#ifdef SYSVMSG 1565 struct msg_sysctl_info *msgsi = NULL; 1566#endif 1567#ifdef SYSVSEM 1568 struct sem_sysctl_info *semsi = NULL; 1569#endif 1570#ifdef SYSVSHM 1571 struct shm_sysctl_info *shmsi = NULL; 1572#endif 1573 size_t infosize, dssize, tsize, buflen; 1574 void *bf = NULL; 1575 char *start; 1576 int32_t nds; 1577 int i, error, ret; 1578 1579 if (namelen != 1) 1580 return (EINVAL); 1581 1582 start = where; 1583 buflen = *sizep; 1584 1585 switch (*name) { 1586 case KERN_SYSVIPC_MSG_INFO: 1587#ifdef SYSVMSG 1588 infosize = sizeof(msgsi->msginfo); 1589 nds = msginfo.msgmni; 1590 dssize = sizeof(msgsi->msgids[0]); 1591 break; 1592#else 1593 return (EINVAL); 1594#endif 1595 case KERN_SYSVIPC_SEM_INFO: 1596#ifdef SYSVSEM 1597 infosize = sizeof(semsi->seminfo); 1598 nds = seminfo.semmni; 1599 dssize = sizeof(semsi->semids[0]); 1600 break; 1601#else 1602 return (EINVAL); 1603#endif 1604 case KERN_SYSVIPC_SHM_INFO: 1605#ifdef SYSVSHM 1606 infosize = sizeof(shmsi->shminfo); 1607 nds = shminfo.shmmni; 1608 dssize = sizeof(shmsi->shmids[0]); 1609 break; 1610#else 1611 return (EINVAL); 1612#endif 1613 default: 1614 return (EINVAL); 1615 } 1616 /* 1617 * Round infosize to 64 bit boundary if requesting more than just 1618 * the info structure or getting the total data size. 1619 */ 1620 if (where == NULL || *sizep > infosize) 1621 infosize = ((infosize + 7) / 8) * 8; 1622 tsize = infosize + nds * dssize; 1623 1624 /* Return just the total size required. */ 1625 if (where == NULL) { 1626 *sizep = tsize; 1627 return (0); 1628 } 1629 1630 /* Not enough room for even the info struct. */ 1631 if (buflen < infosize) { 1632 *sizep = 0; 1633 return (ENOMEM); 1634 } 1635 bf = malloc(min(tsize, buflen), M_TEMP, M_WAITOK); 1636 memset(bf, 0, min(tsize, buflen)); 1637 1638 switch (*name) { 1639#ifdef SYSVMSG 1640 case KERN_SYSVIPC_MSG_INFO: 1641 msgsi = (struct msg_sysctl_info *)bf; 1642 msgsi->msginfo = msginfo; 1643 break; 1644#endif 1645#ifdef SYSVSEM 1646 case KERN_SYSVIPC_SEM_INFO: 1647 semsi = (struct sem_sysctl_info *)bf; 1648 semsi->seminfo = seminfo; 1649 break; 1650#endif 1651#ifdef SYSVSHM 1652 case KERN_SYSVIPC_SHM_INFO: 1653 shmsi = (struct shm_sysctl_info *)bf; 1654 shmsi->shminfo = shminfo; 1655 break; 1656#endif 1657 } 1658 buflen -= infosize; 1659 1660 ret = 0; 1661 if (buflen > 0) { 1662 /* Fill in the IPC data structures. */ 1663 for (i = 0; i < nds; i++) { 1664 if (buflen < dssize) { 1665 ret = ENOMEM; 1666 break; 1667 } 1668 switch (*name) { 1669#ifdef SYSVMSG 1670 case KERN_SYSVIPC_MSG_INFO: 1671 FILL_MSG(msqids[i], msgsi->msgids[i]); 1672 break; 1673#endif 1674#ifdef SYSVSEM 1675 case KERN_SYSVIPC_SEM_INFO: 1676 FILL_SEM(sema[i], semsi->semids[i]); 1677 break; 1678#endif 1679#ifdef SYSVSHM 1680 case KERN_SYSVIPC_SHM_INFO: 1681 FILL_SHM(shmsegs[i], shmsi->shmids[i]); 1682 break; 1683#endif 1684 } 1685 buflen -= dssize; 1686 } 1687 } 1688 *sizep -= buflen; 1689 error = copyout(bf, start, *sizep); 1690 /* If copyout succeeded, use return code set earlier. */ 1691 if (error == 0) 1692 error = ret; 1693 if (bf) 1694 free(bf, M_TEMP); 1695 return (error); 1696} 1697 1698#undef FILL_PERM 1699#undef FILL_MSG 1700#undef FILL_SEM 1701#undef FILL_SHM 1702 1703#endif /* defined(SYSVMSG) || defined(SYSVSEM) || defined(SYSVSHM) */ 1704 1705#if NPTY > 0 1706/* 1707 * sysctl helper routine for kern.maxptys. ensures that any new value 1708 * is acceptable to the pty subsystem. 1709 */ 1710static int 1711sysctl_kern_maxptys(SYSCTLFN_ARGS) 1712{ 1713 int pty_maxptys(int, int); /* defined in kern/tty_pty.c */ 1714 int error, xmax; 1715 struct sysctlnode node; 1716 1717 /* get current value of maxptys */ 1718 xmax = pty_maxptys(0, 0); 1719 1720 node = *rnode; 1721 node.sysctl_data = &xmax; 1722 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1723 if (error || newp == NULL) 1724 return (error); 1725 1726 if (xmax != pty_maxptys(xmax, 1)) 1727 return (EINVAL); 1728 1729 return (0); 1730} 1731#endif /* NPTY > 0 */ 1732 1733/* 1734 * sysctl helper routine for kern.sbmax. basically just ensures that 1735 * any new value is not too small. 1736 */ 1737static int 1738sysctl_kern_sbmax(SYSCTLFN_ARGS) 1739{ 1740 int error, new_sbmax; 1741 struct sysctlnode node; 1742 1743 new_sbmax = sb_max; 1744 node = *rnode; 1745 node.sysctl_data = &new_sbmax; 1746 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1747 if (error || newp == NULL) 1748 return (error); 1749 1750 error = sb_max_set(new_sbmax); 1751 1752 return (error); 1753} 1754 1755/* 1756 * sysctl helper routine for kern.urandom node. picks a random number 1757 * for you. 1758 */ 1759static int 1760sysctl_kern_urnd(SYSCTLFN_ARGS) 1761{ 1762#if NRND > 0 1763 int v; 1764 1765 if (rnd_extract_data(&v, sizeof(v), RND_EXTRACT_ANY) == sizeof(v)) { 1766 struct sysctlnode node = *rnode; 1767 node.sysctl_data = &v; 1768 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1769 } 1770 else 1771 return (EIO); /*XXX*/ 1772#else 1773 return (EOPNOTSUPP); 1774#endif 1775} 1776 1777/* 1778 * sysctl helper routine to do kern.lwp.* work. 1779 */ 1780static int 1781sysctl_kern_lwp(SYSCTLFN_ARGS) 1782{ 1783 struct kinfo_lwp klwp; 1784 struct proc *p; 1785 struct lwp *l2; 1786 char *where, *dp; 1787 int pid, elem_size, elem_count; 1788 int buflen, needed, error; 1789 1790 if (namelen == 1 && name[0] == CTL_QUERY) 1791 return (sysctl_query(SYSCTLFN_CALL(rnode))); 1792 1793 dp = where = oldp; 1794 buflen = where != NULL ? *oldlenp : 0; 1795 error = needed = 0; 1796 1797 if (newp != NULL || namelen != 3) 1798 return (EINVAL); 1799 pid = name[0]; 1800 elem_size = name[1]; 1801 elem_count = name[2]; 1802 1803 p = pfind(pid); 1804 if (p == NULL) 1805 return (ESRCH); 1806 LIST_FOREACH(l2, &p->p_lwps, l_sibling) { 1807 if (buflen >= elem_size && elem_count > 0) { 1808 fill_lwp(l2, &klwp); 1809 /* 1810 * Copy out elem_size, but not larger than 1811 * the size of a struct kinfo_proc2. 1812 */ 1813 error = copyout(&klwp, dp, 1814 min(sizeof(klwp), elem_size)); 1815 if (error) 1816 goto cleanup; 1817 dp += elem_size; 1818 buflen -= elem_size; 1819 elem_count--; 1820 } 1821 needed += elem_size; 1822 } 1823 1824 if (where != NULL) { 1825 *oldlenp = dp - where; 1826 if (needed > *oldlenp) 1827 return (ENOMEM); 1828 } else { 1829 needed += KERN_LWPSLOP; 1830 *oldlenp = needed; 1831 } 1832 return (0); 1833 cleanup: 1834 return (error); 1835} 1836 1837/* 1838 * sysctl helper routine for kern.forkfsleep node. ensures that the 1839 * given value is not too large or two small, and is at least one 1840 * timer tick if not zero. 1841 */ 1842static int 1843sysctl_kern_forkfsleep(SYSCTLFN_ARGS) 1844{ 1845 /* userland sees value in ms, internally is in ticks */ 1846 extern int forkfsleep; /* defined in kern/kern_fork.c */ 1847 int error, timo, lsleep; 1848 struct sysctlnode node; 1849 1850 lsleep = forkfsleep * 1000 / hz; 1851 node = *rnode; 1852 node.sysctl_data = &lsleep; 1853 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1854 if (error || newp == NULL) 1855 return (error); 1856 1857 /* refuse negative values, and overly 'long time' */ 1858 if (lsleep < 0 || lsleep > MAXSLP * 1000) 1859 return (EINVAL); 1860 1861 timo = mstohz(lsleep); 1862 1863 /* if the interval is >0 ms && <1 tick, use 1 tick */ 1864 if (lsleep != 0 && timo == 0) 1865 forkfsleep = 1; 1866 else 1867 forkfsleep = timo; 1868 1869 return (0); 1870} 1871 1872/* 1873 * sysctl helper routine for kern.root_partition 1874 */ 1875static int 1876sysctl_kern_root_partition(SYSCTLFN_ARGS) 1877{ 1878 int rootpart = DISKPART(rootdev); 1879 struct sysctlnode node = *rnode; 1880 1881 node.sysctl_data = &rootpart; 1882 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1883} 1884 1885/* 1886 * sysctl helper function for kern.drivers 1887 */ 1888static int 1889sysctl_kern_drivers(SYSCTLFN_ARGS) 1890{ 1891 int error; 1892 size_t buflen; 1893 struct kinfo_drivers kd; 1894 char *start, *where; 1895 const char *dname; 1896 int i; 1897 extern struct devsw_conv *devsw_conv; 1898 extern int max_devsw_convs; 1899 1900 if (newp != NULL || namelen != 0) 1901 return (EINVAL); 1902 1903 start = where = oldp; 1904 buflen = *oldlenp; 1905 if (where == NULL) { 1906 *oldlenp = max_devsw_convs * sizeof kd; 1907 return 0; 1908 } 1909 1910 /* 1911 * An array of kinfo_drivers structures 1912 */ 1913 error = 0; 1914 for (i = 0; i < max_devsw_convs; i++) { 1915 dname = devsw_conv[i].d_name; 1916 if (dname == NULL) 1917 continue; 1918 if (buflen < sizeof kd) { 1919 error = ENOMEM; 1920 break; 1921 } 1922 memset(&kd, 0, sizeof(kd)); 1923 kd.d_bmajor = devsw_conv[i].d_bmajor; 1924 kd.d_cmajor = devsw_conv[i].d_cmajor; 1925 strlcpy(kd.d_name, dname, sizeof kd.d_name); 1926 error = copyout(&kd, where, sizeof kd); 1927 if (error != 0) 1928 break; 1929 buflen -= sizeof kd; 1930 where += sizeof kd; 1931 } 1932 *oldlenp = where - start; 1933 return error; 1934} 1935 1936/* 1937 * sysctl helper function for kern.file2 1938 */ 1939static int 1940sysctl_kern_file2(SYSCTLFN_ARGS) 1941{ 1942 struct proc *p; 1943 struct file *fp; 1944 struct filedesc *fd; 1945 struct kinfo_file kf; 1946 char *dp; 1947 u_int i, op; 1948 size_t len, needed, elem_size, out_size; 1949 int error, arg, elem_count; 1950 1951 if (namelen == 1 && name[0] == CTL_QUERY) 1952 return (sysctl_query(SYSCTLFN_CALL(rnode))); 1953 1954 if (namelen != 4) 1955 return (EINVAL); 1956 1957 error = 0; 1958 dp = oldp; 1959 len = (oldp != NULL) ? *oldlenp : 0; 1960 op = name[0]; 1961 arg = name[1]; 1962 elem_size = name[2]; 1963 elem_count = name[3]; 1964 out_size = MIN(sizeof(kf), elem_size); 1965 needed = 0; 1966 1967 if (elem_size < 1 || elem_count < 0) 1968 return (EINVAL); 1969 1970 switch (op) { 1971 case KERN_FILE_BYFILE: 1972 /* 1973 * doesn't use arg so it must be zero 1974 */ 1975 if (arg != 0) 1976 return (EINVAL); 1977 LIST_FOREACH(fp, &filehead, f_list) { 1978 if (CURTAIN(l->l_proc->p_ucred->cr_uid, 1979 fp->f_cred->cr_uid)) 1980 continue; 1981 if (len >= elem_size && elem_count > 0) { 1982 fill_file(&kf, fp, NULL, 0); 1983 error = copyout(&kf, dp, out_size); 1984 if (error) 1985 break; 1986 dp += elem_size; 1987 len -= elem_size; 1988 } 1989 if (elem_count > 0) { 1990 needed += elem_size; 1991 if (elem_count != INT_MAX) 1992 elem_count--; 1993 } 1994 } 1995 break; 1996 case KERN_FILE_BYPID: 1997 if (arg < -1) 1998 /* -1 means all processes */ 1999 return (EINVAL); 2000 proclist_lock_read(); 2001 PROCLIST_FOREACH(p, &allproc) { 2002 if (p->p_stat == SIDL) 2003 /* skip embryonic processes */ 2004 continue; 2005 if (CURTAIN(l->l_proc->p_ucred->cr_uid, 2006 p->p_ucred->cr_uid)) 2007 continue; 2008 if (arg > 0 && p->p_pid != arg) 2009 /* pick only the one we want */ 2010 /* XXX want 0 to mean "kernel files" */ 2011 continue; 2012 fd = p->p_fd; 2013 for (i = 0; i < fd->fd_nfiles; i++) { 2014 fp = fd->fd_ofiles[i]; 2015 if (fp == NULL || !FILE_IS_USABLE(fp)) 2016 continue; 2017 if (len >= elem_size && elem_count > 0) { 2018 fill_file(&kf, fd->fd_ofiles[i], 2019 p, i); 2020 error = copyout(&kf, dp, out_size); 2021 if (error) 2022 break; 2023 dp += elem_size; 2024 len -= elem_size; 2025 } 2026 if (elem_count > 0) { 2027 needed += elem_size; 2028 if (elem_count != INT_MAX) 2029 elem_count--; 2030 } 2031 } 2032 } 2033 proclist_unlock_read(); 2034 break; 2035 default: 2036 return (EINVAL); 2037 } 2038 2039 if (oldp == NULL) 2040 needed += KERN_FILESLOP * elem_size; 2041 *oldlenp = needed; 2042 2043 return (error); 2044} 2045 2046static void 2047fill_file(struct kinfo_file *kp, const struct file *fp, struct proc *p, int i) 2048{ 2049 2050 memset(kp, 0, sizeof(*kp)); 2051 2052 kp->ki_fileaddr = PTRTOUINT64(fp); 2053 kp->ki_flag = fp->f_flag; 2054 kp->ki_iflags = fp->f_iflags; 2055 kp->ki_ftype = fp->f_type; 2056 kp->ki_count = fp->f_count; 2057 kp->ki_msgcount = fp->f_msgcount; 2058 kp->ki_usecount = fp->f_usecount; 2059 kp->ki_fucred = PTRTOUINT64(fp->f_cred); 2060 kp->ki_fuid = fp->f_cred->cr_uid; 2061 kp->ki_fgid = fp->f_cred->cr_gid; 2062 kp->ki_fops = PTRTOUINT64(fp->f_ops); 2063 kp->ki_foffset = fp->f_offset; 2064 kp->ki_fdata = PTRTOUINT64(fp->f_data); 2065 2066 /* vnode information to glue this file to something */ 2067 if (fp->f_type == DTYPE_VNODE) { 2068 struct vnode *vp = (struct vnode *)fp->f_data; 2069 2070 kp->ki_vun = PTRTOUINT64(vp->v_un.vu_socket); 2071 kp->ki_vsize = vp->v_size; 2072 kp->ki_vtype = vp->v_type; 2073 kp->ki_vtag = vp->v_tag; 2074 kp->ki_vdata = PTRTOUINT64(vp->v_data); 2075 } 2076 2077 /* process information when retrieved via KERN_FILE_BYPID */ 2078 if (p) { 2079 kp->ki_pid = p->p_pid; 2080 kp->ki_fd = i; 2081 kp->ki_ofileflags = p->p_fd->fd_ofileflags[i]; 2082 } 2083} 2084 2085static int 2086sysctl_doeproc(SYSCTLFN_ARGS) 2087{ 2088 struct eproc eproc; 2089 struct kinfo_proc2 kproc2; 2090 struct kinfo_proc *dp; 2091 struct proc *p; 2092 const struct proclist_desc *pd; 2093 char *where, *dp2; 2094 int type, op, arg; 2095 u_int elem_size, elem_count; 2096 size_t buflen, needed; 2097 int error; 2098 2099 if (namelen == 1 && name[0] == CTL_QUERY) 2100 return (sysctl_query(SYSCTLFN_CALL(rnode))); 2101 2102 dp = oldp; 2103 dp2 = where = oldp; 2104 buflen = where != NULL ? *oldlenp : 0; 2105 error = 0; 2106 needed = 0; 2107 type = rnode->sysctl_num; 2108 2109 if (type == KERN_PROC) { 2110 if (namelen != 2 && !(namelen == 1 && name[0] == KERN_PROC_ALL)) 2111 return (EINVAL); 2112 op = name[0]; 2113 if (op != KERN_PROC_ALL) 2114 arg = name[1]; 2115 else 2116 arg = 0; /* Quell compiler warning */ 2117 elem_size = elem_count = 0; /* Ditto */ 2118 } else { 2119 if (namelen != 4) 2120 return (EINVAL); 2121 op = name[0]; 2122 arg = name[1]; 2123 elem_size = name[2]; 2124 elem_count = name[3]; 2125 } 2126 2127 proclist_lock_read(); 2128 2129 pd = proclists; 2130again: 2131 PROCLIST_FOREACH(p, pd->pd_list) { 2132 /* 2133 * Skip embryonic processes. 2134 */ 2135 if (p->p_stat == SIDL) 2136 continue; 2137 2138 if (CURTAIN(l->l_proc->p_ucred->cr_uid, p->p_ucred->cr_uid)) 2139 continue; 2140 2141 /* 2142 * TODO - make more efficient (see notes below). 2143 * do by session. 2144 */ 2145 switch (op) { 2146 2147 case KERN_PROC_PID: 2148 /* could do this with just a lookup */ 2149 if (p->p_pid != (pid_t)arg) 2150 continue; 2151 break; 2152 2153 case KERN_PROC_PGRP: 2154 /* could do this by traversing pgrp */ 2155 if (p->p_pgrp->pg_id != (pid_t)arg) 2156 continue; 2157 break; 2158 2159 case KERN_PROC_SESSION: 2160 if (p->p_session->s_sid != (pid_t)arg) 2161 continue; 2162 break; 2163 2164 case KERN_PROC_TTY: 2165 if (arg == (int) KERN_PROC_TTY_REVOKE) { 2166 if ((p->p_flag & P_CONTROLT) == 0 || 2167 p->p_session->s_ttyp == NULL || 2168 p->p_session->s_ttyvp != NULL) 2169 continue; 2170 } else if ((p->p_flag & P_CONTROLT) == 0 || 2171 p->p_session->s_ttyp == NULL) { 2172 if ((dev_t)arg != KERN_PROC_TTY_NODEV) 2173 continue; 2174 } else if (p->p_session->s_ttyp->t_dev != (dev_t)arg) 2175 continue; 2176 break; 2177 2178 case KERN_PROC_UID: 2179 if (p->p_ucred->cr_uid != (uid_t)arg) 2180 continue; 2181 break; 2182 2183 case KERN_PROC_RUID: 2184 if (p->p_cred->p_ruid != (uid_t)arg) 2185 continue; 2186 break; 2187 2188 case KERN_PROC_GID: 2189 if (p->p_ucred->cr_gid != (uid_t)arg) 2190 continue; 2191 break; 2192 2193 case KERN_PROC_RGID: 2194 if (p->p_cred->p_rgid != (uid_t)arg) 2195 continue; 2196 break; 2197 2198 case KERN_PROC_ALL: 2199 /* allow everything */ 2200 break; 2201 2202 default: 2203 error = EINVAL; 2204 goto cleanup; 2205 } 2206 if (type == KERN_PROC) { 2207 if (buflen >= sizeof(struct kinfo_proc)) { 2208 fill_eproc(p, &eproc); 2209 error = copyout(p, &dp->kp_proc, 2210 sizeof(struct proc)); 2211 if (error) 2212 goto cleanup; 2213 error = copyout(&eproc, &dp->kp_eproc, 2214 sizeof(eproc)); 2215 if (error) 2216 goto cleanup; 2217 dp++; 2218 buflen -= sizeof(struct kinfo_proc); 2219 } 2220 needed += sizeof(struct kinfo_proc); 2221 } else { /* KERN_PROC2 */ 2222 if (buflen >= elem_size && elem_count > 0) { 2223 fill_kproc2(p, &kproc2); 2224 /* 2225 * Copy out elem_size, but not larger than 2226 * the size of a struct kinfo_proc2. 2227 */ 2228 error = copyout(&kproc2, dp2, 2229 min(sizeof(kproc2), elem_size)); 2230 if (error) 2231 goto cleanup; 2232 dp2 += elem_size; 2233 buflen -= elem_size; 2234 elem_count--; 2235 } 2236 needed += elem_size; 2237 } 2238 } 2239 pd++; 2240 if (pd->pd_list != NULL) 2241 goto again; 2242 proclist_unlock_read(); 2243 2244 if (where != NULL) { 2245 if (type == KERN_PROC) 2246 *oldlenp = (char *)dp - where; 2247 else 2248 *oldlenp = dp2 - where; 2249 if (needed > *oldlenp) 2250 return (ENOMEM); 2251 } else { 2252 needed += KERN_PROCSLOP; 2253 *oldlenp = needed; 2254 } 2255 return (0); 2256 cleanup: 2257 proclist_unlock_read(); 2258 return (error); 2259} 2260 2261/* 2262 * sysctl helper routine for kern.proc_args pseudo-subtree. 2263 */ 2264static int 2265sysctl_kern_proc_args(SYSCTLFN_ARGS) 2266{ 2267 struct ps_strings pss; 2268 struct proc *p, *up = l->l_proc; 2269 size_t len, upper_bound, xlen, i; 2270 struct uio auio; 2271 struct iovec aiov; 2272 vaddr_t argv; 2273 pid_t pid; 2274 int nargv, type, error; 2275 char *arg; 2276 char *tmp; 2277 struct vmspace *vmspace; 2278 vaddr_t psstr_addr; 2279 vaddr_t offsetn; 2280 vaddr_t offsetv; 2281 2282 if (namelen == 1 && name[0] == CTL_QUERY) 2283 return (sysctl_query(SYSCTLFN_CALL(rnode))); 2284 2285 if (newp != NULL || namelen != 2) 2286 return (EINVAL); 2287 pid = name[0]; 2288 type = name[1]; 2289 2290 switch (type) { 2291 case KERN_PROC_ARGV: 2292 case KERN_PROC_NARGV: 2293 case KERN_PROC_ENV: 2294 case KERN_PROC_NENV: 2295 /* ok */ 2296 break; 2297 default: 2298 return (EINVAL); 2299 } 2300 2301 proclist_lock_read(); 2302 2303 /* check pid */ 2304 if ((p = p_find(pid, PFIND_LOCKED)) == NULL) { 2305 error = EINVAL; 2306 goto out_locked; 2307 } 2308 2309 if (CURTAIN(l->l_proc->p_ucred->cr_uid, p->p_ucred->cr_uid)) { 2310 error = EPERM; 2311 goto out_locked; 2312 } 2313 2314 /* only root or same user change look at the environment */ 2315 if (type == KERN_PROC_ENV || type == KERN_PROC_NENV) { 2316 if (up->p_ucred->cr_uid != 0) { 2317 if (up->p_cred->p_ruid != p->p_cred->p_ruid || 2318 up->p_cred->p_ruid != p->p_cred->p_svuid) { 2319 error = EPERM; 2320 goto out_locked; 2321 } 2322 } 2323 } 2324 2325 if (oldp == NULL) { 2326 if (type == KERN_PROC_NARGV || type == KERN_PROC_NENV) 2327 *oldlenp = sizeof (int); 2328 else 2329 *oldlenp = ARG_MAX; /* XXX XXX XXX */ 2330 error = 0; 2331 goto out_locked; 2332 } 2333 2334 /* 2335 * Zombies don't have a stack, so we can't read their psstrings. 2336 * System processes also don't have a user stack. 2337 */ 2338 if (P_ZOMBIE(p) || (p->p_flag & P_SYSTEM) != 0) { 2339 error = EINVAL; 2340 goto out_locked; 2341 } 2342 2343 /* 2344 * Lock the process down in memory. 2345 */ 2346 /* XXXCDC: how should locking work here? */ 2347 if ((p->p_flag & P_WEXIT) || (p->p_vmspace->vm_refcnt < 1)) { 2348 error = EFAULT; 2349 goto out_locked; 2350 } 2351 2352 psstr_addr = (vaddr_t)p->p_psstr; 2353 if (type == KERN_PROC_ARGV || type == KERN_PROC_NARGV) { 2354 offsetn = p->p_psnargv; 2355 offsetv = p->p_psargv; 2356 } else { 2357 offsetn = p->p_psnenv; 2358 offsetv = p->p_psenv; 2359 } 2360 vmspace = p->p_vmspace; 2361 vmspace->vm_refcnt++; /* XXX */ 2362 2363 proclist_unlock_read(); 2364 2365 /* 2366 * Allocate a temporary buffer to hold the arguments. 2367 */ 2368 arg = malloc(PAGE_SIZE, M_TEMP, M_WAITOK); 2369 2370 /* 2371 * Read in the ps_strings structure. 2372 */ 2373 aiov.iov_base = &pss; 2374 aiov.iov_len = sizeof(pss); 2375 auio.uio_iov = &aiov; 2376 auio.uio_iovcnt = 1; 2377 auio.uio_offset = psstr_addr; 2378 auio.uio_resid = sizeof(pss); 2379 auio.uio_segflg = UIO_SYSSPACE; 2380 auio.uio_rw = UIO_READ; 2381 auio.uio_procp = NULL; 2382 error = uvm_io(&vmspace->vm_map, &auio); 2383 if (error) 2384 goto done; 2385 2386 memcpy(&nargv, (char *)&pss + offsetn, sizeof(nargv)); 2387 if (type == KERN_PROC_NARGV || type == KERN_PROC_NENV) { 2388 error = copyout(&nargv, oldp, sizeof(nargv)); 2389 *oldlenp = sizeof(nargv); 2390 goto done; 2391 } 2392 /* 2393 * Now read the address of the argument vector. 2394 */ 2395 switch (type) { 2396 case KERN_PROC_ARGV: 2397 /* XXX compat32 stuff here */ 2398 /* FALLTHROUGH */ 2399 case KERN_PROC_ENV: 2400 memcpy(&tmp, (char *)&pss + offsetv, sizeof(tmp)); 2401 break; 2402 default: 2403 return (EINVAL); 2404 } 2405 auio.uio_offset = (off_t)(unsigned long)tmp; 2406 aiov.iov_base = &argv; 2407 aiov.iov_len = sizeof(argv); 2408 auio.uio_iov = &aiov; 2409 auio.uio_iovcnt = 1; 2410 auio.uio_resid = sizeof(argv); 2411 auio.uio_segflg = UIO_SYSSPACE; 2412 auio.uio_rw = UIO_READ; 2413 auio.uio_procp = NULL; 2414 error = uvm_io(&vmspace->vm_map, &auio); 2415 if (error) 2416 goto done; 2417 2418 /* 2419 * Now copy in the actual argument vector, one page at a time, 2420 * since we don't know how long the vector is (though, we do 2421 * know how many NUL-terminated strings are in the vector). 2422 */ 2423 len = 0; 2424 upper_bound = *oldlenp; 2425 for (; nargv != 0 && len < upper_bound; len += xlen) { 2426 aiov.iov_base = arg; 2427 aiov.iov_len = PAGE_SIZE; 2428 auio.uio_iov = &aiov; 2429 auio.uio_iovcnt = 1; 2430 auio.uio_offset = argv + len; 2431 xlen = PAGE_SIZE - ((argv + len) & PAGE_MASK); 2432 auio.uio_resid = xlen; 2433 auio.uio_segflg = UIO_SYSSPACE; 2434 auio.uio_rw = UIO_READ; 2435 auio.uio_procp = NULL; 2436 error = uvm_io(&vmspace->vm_map, &auio); 2437 if (error) 2438 goto done; 2439 2440 for (i = 0; i < xlen && nargv != 0; i++) { 2441 if (arg[i] == '\0') 2442 nargv--; /* one full string */ 2443 } 2444 2445 /* 2446 * Make sure we don't copyout past the end of the user's 2447 * buffer. 2448 */ 2449 if (len + i > upper_bound) 2450 i = upper_bound - len; 2451 2452 error = copyout(arg, (char *)oldp + len, i); 2453 if (error) 2454 break; 2455 2456 if (nargv == 0) { 2457 len += i; 2458 break; 2459 } 2460 } 2461 *oldlenp = len; 2462 2463done: 2464 uvmspace_free(vmspace); 2465 2466 free(arg, M_TEMP); 2467 return error; 2468 2469out_locked: 2470 proclist_unlock_read(); 2471 return error; 2472} 2473 2474/* 2475 * Sysctl helper routine for Verified Exec. 2476 */ 2477#ifdef VERIFIED_EXEC 2478static int 2479sysctl_kern_veriexec(SYSCTLFN_ARGS) 2480{ 2481 int newval, error; 2482 int *var = NULL, raise_only = 0; 2483 struct sysctlnode node; 2484 2485 node = *rnode; 2486 2487 switch (rnode->sysctl_num) { 2488 case VERIEXEC_STRICT: 2489 raise_only = 1; 2490 var = &veriexec_strict; 2491 break; 2492 case VERIEXEC_ALGORITHMS: 2493 node.sysctl_data = veriexec_fp_names; 2494 node.sysctl_size = strlen(veriexec_fp_names) + 1; 2495 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2496 default: 2497 return (EINVAL); 2498 } 2499 2500 newval = *var; 2501 2502 node.sysctl_data = &newval; 2503 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 2504 if (error || newp == NULL) { 2505 return (error); 2506 } 2507 2508 if (raise_only && (newval < *var)) 2509 return (EPERM); 2510 2511 *var = newval; 2512 2513 return (error); 2514} 2515#endif /* VERIFIED_EXEC */ 2516 2517/* 2518 * sysctl helper routine for kern.cp_id node. maps cpus to their 2519 * cpuids. 2520 */ 2521static int 2522sysctl_kern_cpid(SYSCTLFN_ARGS) 2523{ 2524 struct sysctlnode node = *rnode; 2525 2526#ifndef MULTIPROCESSOR 2527 u_int64_t id; 2528 2529 if (namelen == 1) { 2530 if (name[0] != 0) 2531 return (ENOENT); 2532 /* 2533 * you're allowed to ask for the zero'th processor 2534 */ 2535 name++; 2536 namelen--; 2537 } 2538 node.sysctl_data = &id; 2539 node.sysctl_size = sizeof(id); 2540 id = cpu_number(); 2541 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2542 2543#else /* MULTIPROCESSOR */ 2544 u_int64_t *cp_id = NULL; 2545 int error, n = sysctl_ncpus(); 2546 struct cpu_info *ci; 2547 CPU_INFO_ITERATOR cii; 2548 2549 /* 2550 * here you may either retrieve a single cpu id or the whole 2551 * set. the size you get back when probing depends on what 2552 * you ask for. 2553 */ 2554 switch (namelen) { 2555 case 0: 2556 node.sysctl_size = n * sizeof(u_int64_t); 2557 n = -2; /* ALL */ 2558 break; 2559 case 1: 2560 if (name[0] < 0 || name[0] >= n) 2561 return (ENOENT); /* ENOSUCHPROCESSOR */ 2562 node.sysctl_size = sizeof(u_int64_t); 2563 n = name[0]; 2564 /* 2565 * adjust these so that sysctl_lookup() will be happy 2566 */ 2567 name++; 2568 namelen--; 2569 break; 2570 default: 2571 return (EINVAL); 2572 } 2573 2574 cp_id = malloc(node.sysctl_size, M_TEMP, M_WAITOK|M_CANFAIL); 2575 if (cp_id == NULL) 2576 return (ENOMEM); 2577 node.sysctl_data = cp_id; 2578 memset(cp_id, 0, node.sysctl_size); 2579 2580 for (CPU_INFO_FOREACH(cii, ci)) { 2581 if (n <= 0) 2582 cp_id[0] = ci->ci_cpuid; 2583 /* 2584 * if a specific processor was requested and we just 2585 * did it, we're done here 2586 */ 2587 if (n == 0) 2588 break; 2589 /* 2590 * if doing "all", skip to next cp_id slot for next processor 2591 */ 2592 if (n == -2) 2593 cp_id++; 2594 /* 2595 * if we're doing a specific processor, we're one 2596 * processor closer 2597 */ 2598 if (n > 0) 2599 n--; 2600 } 2601 2602 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 2603 free(node.sysctl_data, M_TEMP); 2604 return (error); 2605 2606#endif /* MULTIPROCESSOR */ 2607} 2608 2609/* 2610 * sysctl helper routine for hw.usermem and hw.usermem64. values are 2611 * calculate on the fly taking into account integer overflow and the 2612 * current wired count. 2613 */ 2614static int 2615sysctl_hw_usermem(SYSCTLFN_ARGS) 2616{ 2617 u_int ui; 2618 u_quad_t uq; 2619 struct sysctlnode node; 2620 2621 node = *rnode; 2622 switch (rnode->sysctl_num) { 2623 case HW_USERMEM: 2624 if ((ui = physmem - uvmexp.wired) > (UINT_MAX / PAGE_SIZE)) 2625 ui = UINT_MAX; 2626 else 2627 ui *= PAGE_SIZE; 2628 node.sysctl_data = &ui; 2629 break; 2630 case HW_USERMEM64: 2631 uq = (u_quad_t)(physmem - uvmexp.wired) * PAGE_SIZE; 2632 node.sysctl_data = &uq; 2633 break; 2634 default: 2635 return (EINVAL); 2636 } 2637 2638 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2639} 2640 2641/* 2642 * sysctl helper routine for kern.cnmagic node. pulls the old value 2643 * out, encoded, and stuffs the new value in for decoding. 2644 */ 2645static int 2646sysctl_hw_cnmagic(SYSCTLFN_ARGS) 2647{ 2648 char magic[CNS_LEN]; 2649 int error; 2650 struct sysctlnode node; 2651 2652 if (oldp) 2653 cn_get_magic(magic, CNS_LEN); 2654 node = *rnode; 2655 node.sysctl_data = &magic[0]; 2656 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 2657 if (error || newp == NULL) 2658 return (error); 2659 2660 return (cn_set_magic(magic)); 2661} 2662 2663static int 2664sysctl_hw_ncpu(SYSCTLFN_ARGS) 2665{ 2666 int ncpu; 2667 struct sysctlnode node; 2668 2669 ncpu = sysctl_ncpus(); 2670 node = *rnode; 2671 node.sysctl_data = &ncpu; 2672 2673 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2674} 2675 2676 2677/* 2678 * ******************************************************************** 2679 * section 3: public helper routines that are used for more than one 2680 * node 2681 * ******************************************************************** 2682 */ 2683 2684/* 2685 * sysctl helper routine for the kern.root_device node and some ports' 2686 * machdep.root_device nodes. 2687 */ 2688int 2689sysctl_root_device(SYSCTLFN_ARGS) 2690{ 2691 struct sysctlnode node; 2692 2693 node = *rnode; 2694 node.sysctl_data = root_device->dv_xname; 2695 node.sysctl_size = strlen(root_device->dv_xname) + 1; 2696 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2697} 2698 2699/* 2700 * sysctl helper routine for kern.consdev, dependent on the current 2701 * state of the console. also used for machdep.console_device on some 2702 * ports. 2703 */ 2704int 2705sysctl_consdev(SYSCTLFN_ARGS) 2706{ 2707 dev_t consdev; 2708 struct sysctlnode node; 2709 2710 if (cn_tab != NULL) 2711 consdev = cn_tab->cn_dev; 2712 else 2713 consdev = NODEV; 2714 node = *rnode; 2715 node.sysctl_data = &consdev; 2716 node.sysctl_size = sizeof(consdev); 2717 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2718} 2719 2720/* 2721 * ******************************************************************** 2722 * section 4: support for some helpers 2723 * ******************************************************************** 2724 */ 2725 2726/* 2727 * Fill in a kinfo_proc2 structure for the specified process. 2728 */ 2729static void 2730fill_kproc2(struct proc *p, struct kinfo_proc2 *ki) 2731{ 2732 struct tty *tp; 2733 struct lwp *l; 2734 struct timeval ut, st; 2735 2736 memset(ki, 0, sizeof(*ki)); 2737 2738 ki->p_paddr = PTRTOUINT64(p); 2739 ki->p_fd = PTRTOUINT64(p->p_fd); 2740 ki->p_cwdi = PTRTOUINT64(p->p_cwdi); 2741 ki->p_stats = PTRTOUINT64(p->p_stats); 2742 ki->p_limit = PTRTOUINT64(p->p_limit); 2743 ki->p_vmspace = PTRTOUINT64(p->p_vmspace); 2744 ki->p_sigacts = PTRTOUINT64(p->p_sigacts); 2745 ki->p_sess = PTRTOUINT64(p->p_session); 2746 ki->p_tsess = 0; /* may be changed if controlling tty below */ 2747 ki->p_ru = PTRTOUINT64(p->p_ru); 2748 2749 ki->p_eflag = 0; 2750 ki->p_exitsig = p->p_exitsig; 2751 ki->p_flag = p->p_flag; 2752 2753 ki->p_pid = p->p_pid; 2754 if (p->p_pptr) 2755 ki->p_ppid = p->p_pptr->p_pid; 2756 else 2757 ki->p_ppid = 0; 2758 ki->p_sid = p->p_session->s_sid; 2759 ki->p__pgid = p->p_pgrp->pg_id; 2760 2761 ki->p_tpgid = NO_PGID; /* may be changed if controlling tty below */ 2762 2763 ki->p_uid = p->p_ucred->cr_uid; 2764 ki->p_ruid = p->p_cred->p_ruid; 2765 ki->p_gid = p->p_ucred->cr_gid; 2766 ki->p_rgid = p->p_cred->p_rgid; 2767 ki->p_svuid = p->p_cred->p_svuid; 2768 ki->p_svgid = p->p_cred->p_svgid; 2769 2770 memcpy(ki->p_groups, p->p_cred->pc_ucred->cr_groups, 2771 min(sizeof(ki->p_groups), sizeof(p->p_cred->pc_ucred->cr_groups))); 2772 ki->p_ngroups = p->p_cred->pc_ucred->cr_ngroups; 2773 2774 ki->p_jobc = p->p_pgrp->pg_jobc; 2775 if ((p->p_flag & P_CONTROLT) && (tp = p->p_session->s_ttyp)) { 2776 ki->p_tdev = tp->t_dev; 2777 ki->p_tpgid = tp->t_pgrp ? tp->t_pgrp->pg_id : NO_PGID; 2778 ki->p_tsess = PTRTOUINT64(tp->t_session); 2779 } else { 2780 ki->p_tdev = NODEV; 2781 } 2782 2783 ki->p_estcpu = p->p_estcpu; 2784 ki->p_rtime_sec = p->p_rtime.tv_sec; 2785 ki->p_rtime_usec = p->p_rtime.tv_usec; 2786 ki->p_cpticks = p->p_cpticks; 2787 ki->p_pctcpu = p->p_pctcpu; 2788 2789 ki->p_uticks = p->p_uticks; 2790 ki->p_sticks = p->p_sticks; 2791 ki->p_iticks = p->p_iticks; 2792 2793 ki->p_tracep = PTRTOUINT64(p->p_tracep); 2794 ki->p_traceflag = p->p_traceflag; 2795 2796 2797 memcpy(&ki->p_siglist, &p->p_sigctx.ps_siglist, sizeof(ki_sigset_t)); 2798 memcpy(&ki->p_sigmask, &p->p_sigctx.ps_sigmask, sizeof(ki_sigset_t)); 2799 memcpy(&ki->p_sigignore, &p->p_sigctx.ps_sigignore,sizeof(ki_sigset_t)); 2800 memcpy(&ki->p_sigcatch, &p->p_sigctx.ps_sigcatch, sizeof(ki_sigset_t)); 2801 2802 ki->p_stat = p->p_stat; /* Will likely be overridden by LWP status */ 2803 ki->p_realstat = p->p_stat; 2804 ki->p_nice = p->p_nice; 2805 2806 ki->p_xstat = p->p_xstat; 2807 ki->p_acflag = p->p_acflag; 2808 2809 strncpy(ki->p_comm, p->p_comm, 2810 min(sizeof(ki->p_comm), sizeof(p->p_comm))); 2811 2812 strncpy(ki->p_login, p->p_session->s_login, 2813 min(sizeof ki->p_login - 1, sizeof p->p_session->s_login)); 2814 2815 ki->p_nlwps = p->p_nlwps; 2816 ki->p_nrlwps = p->p_nrlwps; 2817 ki->p_realflag = p->p_flag; 2818 2819 if (p->p_stat == SIDL || P_ZOMBIE(p)) { 2820 ki->p_vm_rssize = 0; 2821 ki->p_vm_tsize = 0; 2822 ki->p_vm_dsize = 0; 2823 ki->p_vm_ssize = 0; 2824 l = NULL; 2825 } else { 2826 struct vmspace *vm = p->p_vmspace; 2827 2828 ki->p_vm_rssize = vm_resident_count(vm); 2829 ki->p_vm_tsize = vm->vm_tsize; 2830 ki->p_vm_dsize = vm->vm_dsize; 2831 ki->p_vm_ssize = vm->vm_ssize; 2832 2833 /* Pick a "representative" LWP */ 2834 l = proc_representative_lwp(p); 2835 ki->p_forw = PTRTOUINT64(l->l_forw); 2836 ki->p_back = PTRTOUINT64(l->l_back); 2837 ki->p_addr = PTRTOUINT64(l->l_addr); 2838 ki->p_stat = l->l_stat; 2839 ki->p_flag |= l->l_flag; 2840 ki->p_swtime = l->l_swtime; 2841 ki->p_slptime = l->l_slptime; 2842 if (l->l_stat == LSONPROC) { 2843 KDASSERT(l->l_cpu != NULL); 2844 ki->p_schedflags = l->l_cpu->ci_schedstate.spc_flags; 2845 } else 2846 ki->p_schedflags = 0; 2847 ki->p_holdcnt = l->l_holdcnt; 2848 ki->p_priority = l->l_priority; 2849 ki->p_usrpri = l->l_usrpri; 2850 if (l->l_wmesg) 2851 strncpy(ki->p_wmesg, l->l_wmesg, sizeof(ki->p_wmesg)); 2852 ki->p_wchan = PTRTOUINT64(l->l_wchan); 2853 2854 } 2855 2856 if (p->p_session->s_ttyvp) 2857 ki->p_eflag |= EPROC_CTTY; 2858 if (SESS_LEADER(p)) 2859 ki->p_eflag |= EPROC_SLEADER; 2860 2861 /* XXX Is this double check necessary? */ 2862 if (P_ZOMBIE(p)) { 2863 ki->p_uvalid = 0; 2864 } else { 2865 ki->p_uvalid = 1; 2866 2867 ki->p_ustart_sec = p->p_stats->p_start.tv_sec; 2868 ki->p_ustart_usec = p->p_stats->p_start.tv_usec; 2869 2870 calcru(p, &ut, &st, 0); 2871 ki->p_uutime_sec = ut.tv_sec; 2872 ki->p_uutime_usec = ut.tv_usec; 2873 ki->p_ustime_sec = st.tv_sec; 2874 ki->p_ustime_usec = st.tv_usec; 2875 2876 ki->p_uru_maxrss = p->p_stats->p_ru.ru_maxrss; 2877 ki->p_uru_ixrss = p->p_stats->p_ru.ru_ixrss; 2878 ki->p_uru_idrss = p->p_stats->p_ru.ru_idrss; 2879 ki->p_uru_isrss = p->p_stats->p_ru.ru_isrss; 2880 ki->p_uru_minflt = p->p_stats->p_ru.ru_minflt; 2881 ki->p_uru_majflt = p->p_stats->p_ru.ru_majflt; 2882 ki->p_uru_nswap = p->p_stats->p_ru.ru_nswap; 2883 ki->p_uru_inblock = p->p_stats->p_ru.ru_inblock; 2884 ki->p_uru_oublock = p->p_stats->p_ru.ru_oublock; 2885 ki->p_uru_msgsnd = p->p_stats->p_ru.ru_msgsnd; 2886 ki->p_uru_msgrcv = p->p_stats->p_ru.ru_msgrcv; 2887 ki->p_uru_nsignals = p->p_stats->p_ru.ru_nsignals; 2888 ki->p_uru_nvcsw = p->p_stats->p_ru.ru_nvcsw; 2889 ki->p_uru_nivcsw = p->p_stats->p_ru.ru_nivcsw; 2890 2891 timeradd(&p->p_stats->p_cru.ru_utime, 2892 &p->p_stats->p_cru.ru_stime, &ut); 2893 ki->p_uctime_sec = ut.tv_sec; 2894 ki->p_uctime_usec = ut.tv_usec; 2895 } 2896#ifdef MULTIPROCESSOR 2897 if (l && l->l_cpu != NULL) 2898 ki->p_cpuid = l->l_cpu->ci_cpuid; 2899 else 2900#endif 2901 ki->p_cpuid = KI_NOCPU; 2902} 2903 2904/* 2905 * Fill in a kinfo_lwp structure for the specified lwp. 2906 */ 2907static void 2908fill_lwp(struct lwp *l, struct kinfo_lwp *kl) 2909{ 2910 2911 kl->l_forw = PTRTOUINT64(l->l_forw); 2912 kl->l_back = PTRTOUINT64(l->l_back); 2913 kl->l_laddr = PTRTOUINT64(l); 2914 kl->l_addr = PTRTOUINT64(l->l_addr); 2915 kl->l_stat = l->l_stat; 2916 kl->l_lid = l->l_lid; 2917 kl->l_flag = l->l_flag; 2918 2919 kl->l_swtime = l->l_swtime; 2920 kl->l_slptime = l->l_slptime; 2921 if (l->l_stat == LSONPROC) { 2922 KDASSERT(l->l_cpu != NULL); 2923 kl->l_schedflags = l->l_cpu->ci_schedstate.spc_flags; 2924 } else 2925 kl->l_schedflags = 0; 2926 kl->l_holdcnt = l->l_holdcnt; 2927 kl->l_priority = l->l_priority; 2928 kl->l_usrpri = l->l_usrpri; 2929 if (l->l_wmesg) 2930 strncpy(kl->l_wmesg, l->l_wmesg, sizeof(kl->l_wmesg)); 2931 kl->l_wchan = PTRTOUINT64(l->l_wchan); 2932#ifdef MULTIPROCESSOR 2933 if (l->l_cpu != NULL) 2934 kl->l_cpuid = l->l_cpu->ci_cpuid; 2935 else 2936#endif 2937 kl->l_cpuid = KI_NOCPU; 2938} 2939 2940/* 2941 * Fill in an eproc structure for the specified process. 2942 */ 2943void 2944fill_eproc(struct proc *p, struct eproc *ep) 2945{ 2946 struct tty *tp; 2947 struct lwp *l; 2948 2949 ep->e_paddr = p; 2950 ep->e_sess = p->p_session; 2951 ep->e_pcred = *p->p_cred; 2952 ep->e_ucred = *p->p_ucred; 2953 if (p->p_stat == SIDL || P_ZOMBIE(p)) { 2954 ep->e_vm.vm_rssize = 0; 2955 ep->e_vm.vm_tsize = 0; 2956 ep->e_vm.vm_dsize = 0; 2957 ep->e_vm.vm_ssize = 0; 2958 /* ep->e_vm.vm_pmap = XXX; */ 2959 } else { 2960 struct vmspace *vm = p->p_vmspace; 2961 2962 ep->e_vm.vm_rssize = vm_resident_count(vm); 2963 ep->e_vm.vm_tsize = vm->vm_tsize; 2964 ep->e_vm.vm_dsize = vm->vm_dsize; 2965 ep->e_vm.vm_ssize = vm->vm_ssize; 2966 2967 /* Pick a "representative" LWP */ 2968 l = proc_representative_lwp(p); 2969 2970 if (l->l_wmesg) 2971 strncpy(ep->e_wmesg, l->l_wmesg, WMESGLEN); 2972 } 2973 if (p->p_pptr) 2974 ep->e_ppid = p->p_pptr->p_pid; 2975 else 2976 ep->e_ppid = 0; 2977 ep->e_pgid = p->p_pgrp->pg_id; 2978 ep->e_sid = ep->e_sess->s_sid; 2979 ep->e_jobc = p->p_pgrp->pg_jobc; 2980 if ((p->p_flag & P_CONTROLT) && 2981 (tp = ep->e_sess->s_ttyp)) { 2982 ep->e_tdev = tp->t_dev; 2983 ep->e_tpgid = tp->t_pgrp ? tp->t_pgrp->pg_id : NO_PGID; 2984 ep->e_tsess = tp->t_session; 2985 } else 2986 ep->e_tdev = NODEV; 2987 2988 ep->e_xsize = ep->e_xrssize = 0; 2989 ep->e_xccount = ep->e_xswrss = 0; 2990 ep->e_flag = ep->e_sess->s_ttyvp ? EPROC_CTTY : 0; 2991 if (SESS_LEADER(p)) 2992 ep->e_flag |= EPROC_SLEADER; 2993 strncpy(ep->e_login, ep->e_sess->s_login, MAXLOGNAME); 2994} 2995