init_sysctl.c revision 1.98.2.4
1 /* $NetBSD: init_sysctl.c,v 1.98.2.4 2007/07/01 19:25:01 ad 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 1.98.2.4 2007/07/01 19:25:01 ad Exp $"); 41 42 #include "opt_sysv.h" 43 #include "opt_multiprocessor.h" 44 #include "opt_posix.h" 45 #include "opt_compat_netbsd32.h" 46 #include "opt_ktrace.h" 47 #include "pty.h" 48 #include "rnd.h" 49 50 #include <sys/types.h> 51 #include <sys/param.h> 52 #include <sys/sysctl.h> 53 #include <sys/errno.h> 54 #include <sys/systm.h> 55 #include <sys/kernel.h> 56 #include <sys/unistd.h> 57 #include <sys/disklabel.h> 58 #include <sys/rnd.h> 59 #include <sys/vnode.h> 60 #include <sys/mount.h> 61 #include <sys/namei.h> 62 #include <sys/msgbuf.h> 63 #include <dev/cons.h> 64 #include <sys/socketvar.h> 65 #include <sys/file.h> 66 #include <sys/filedesc.h> 67 #include <sys/tty.h> 68 #include <sys/malloc.h> 69 #include <sys/resource.h> 70 #include <sys/resourcevar.h> 71 #include <sys/exec.h> 72 #include <sys/conf.h> 73 #include <sys/device.h> 74 #include <sys/stat.h> 75 #include <sys/kauth.h> 76 #ifdef KTRACE 77 #include <sys/ktrace.h> 78 #endif 79 80 #ifdef COMPAT_NETBSD32 81 #include <compat/netbsd32/netbsd32.h> 82 #endif 83 84 #include <machine/cpu.h> 85 86 /* XXX this should not be here */ 87 int security_setidcore_dump; 88 char security_setidcore_path[MAXPATHLEN] = "/var/crash/%n.core"; 89 uid_t security_setidcore_owner = 0; 90 gid_t security_setidcore_group = 0; 91 mode_t security_setidcore_mode = (S_IRUSR|S_IWUSR); 92 93 static const u_int sysctl_flagmap[] = { 94 PK_ADVLOCK, P_ADVLOCK, 95 PK_EXEC, P_EXEC, 96 PK_NOCLDWAIT, P_NOCLDWAIT, 97 PK_32, P_32, 98 PK_CLDSIGIGN, P_CLDSIGIGN, 99 PK_PAXMPROTECT, P_PAXMPROTECT, 100 PK_PAXNOMPROTECT, P_PAXNOMPROTECT, 101 PK_SYSTRACE, P_SYSTRACE, 102 PK_SUGID, P_SUGID, 103 0 104 }; 105 106 static const u_int sysctl_sflagmap[] = { 107 PS_NOCLDSTOP, P_NOCLDSTOP, 108 PS_PPWAIT, P_PPWAIT, 109 PS_WEXIT, P_WEXIT, 110 PS_STOPFORK, P_STOPFORK, 111 PS_STOPEXEC, P_STOPEXEC, 112 PS_STOPEXIT, P_STOPEXIT, 113 0 114 }; 115 116 static const u_int sysctl_slflagmap[] = { 117 PSL_TRACED, P_TRACED, 118 PSL_FSTRACE, P_FSTRACE, 119 PSL_CHTRACED, P_CHTRACED, 120 PSL_SYSCALL, P_SYSCALL, 121 0 122 }; 123 124 static const u_int sysctl_lflagmap[] = { 125 PL_CONTROLT, P_CONTROLT, 126 0 127 }; 128 129 static const u_int sysctl_stflagmap[] = { 130 PST_PROFIL, P_PROFIL, 131 0 132 133 }; 134 135 static const u_int sysctl_lwpflagmap[] = { 136 LW_INMEM, P_INMEM, 137 LW_SINTR, P_SINTR, 138 LW_SYSTEM, P_SYSTEM, 139 0 140 }; 141 142 static const u_int sysctl_lwpprflagmap[] = { 143 LPR_DETACHED, L_DETACHED, 144 0 145 }; 146 147 148 /* 149 * try over estimating by 5 procs/lwps 150 */ 151 #define KERN_PROCSLOP (5 * sizeof(struct kinfo_proc)) 152 #define KERN_LWPSLOP (5 * sizeof(struct kinfo_lwp)) 153 154 #ifdef KTRACE 155 int dcopyout(struct lwp *, const void *, void *, size_t); 156 157 int 158 dcopyout(l, kaddr, uaddr, len) 159 struct lwp *l; 160 const void *kaddr; 161 void *uaddr; 162 size_t len; 163 { 164 int error; 165 166 error = copyout(kaddr, uaddr, len); 167 if (!error && KTRPOINT(l->l_proc, KTR_MIB)) { 168 struct iovec iov; 169 170 iov.iov_base = uaddr; 171 iov.iov_len = len; 172 ktrgenio(l, -1, UIO_READ, &iov, len, 0); 173 } 174 return error; 175 } 176 #else /* !KTRACE */ 177 #define dcopyout(l, kaddr, uaddr, len) copyout(kaddr, uaddr, len) 178 #endif /* KTRACE */ 179 180 #ifndef CPU_INFO_FOREACH 181 #define CPU_INFO_ITERATOR int 182 #define CPU_INFO_FOREACH(cii, ci) cii = 0, ci = curcpu(); ci != NULL; ci = NULL 183 #endif 184 185 #ifdef DIAGNOSTIC 186 static int sysctl_kern_trigger_panic(SYSCTLFN_PROTO); 187 #endif 188 static int sysctl_kern_maxvnodes(SYSCTLFN_PROTO); 189 static int sysctl_kern_rtc_offset(SYSCTLFN_PROTO); 190 static int sysctl_kern_maxproc(SYSCTLFN_PROTO); 191 static int sysctl_kern_hostid(SYSCTLFN_PROTO); 192 static int sysctl_setlen(SYSCTLFN_PROTO); 193 static int sysctl_kern_clockrate(SYSCTLFN_PROTO); 194 static int sysctl_kern_file(SYSCTLFN_PROTO); 195 static int sysctl_msgbuf(SYSCTLFN_PROTO); 196 static int sysctl_kern_defcorename(SYSCTLFN_PROTO); 197 static int sysctl_kern_cptime(SYSCTLFN_PROTO); 198 #if NPTY > 0 199 static int sysctl_kern_maxptys(SYSCTLFN_PROTO); 200 #endif /* NPTY > 0 */ 201 static int sysctl_kern_sbmax(SYSCTLFN_PROTO); 202 static int sysctl_kern_urnd(SYSCTLFN_PROTO); 203 static int sysctl_kern_arnd(SYSCTLFN_PROTO); 204 static int sysctl_kern_lwp(SYSCTLFN_PROTO); 205 static int sysctl_kern_forkfsleep(SYSCTLFN_PROTO); 206 static int sysctl_kern_root_partition(SYSCTLFN_PROTO); 207 static int sysctl_kern_drivers(SYSCTLFN_PROTO); 208 static int sysctl_kern_file2(SYSCTLFN_PROTO); 209 static int sysctl_security_setidcore(SYSCTLFN_PROTO); 210 static int sysctl_security_setidcorename(SYSCTLFN_PROTO); 211 static int sysctl_kern_cpid(SYSCTLFN_PROTO); 212 static int sysctl_doeproc(SYSCTLFN_PROTO); 213 static int sysctl_kern_proc_args(SYSCTLFN_PROTO); 214 static int sysctl_hw_usermem(SYSCTLFN_PROTO); 215 static int sysctl_hw_cnmagic(SYSCTLFN_PROTO); 216 static int sysctl_hw_ncpu(SYSCTLFN_PROTO); 217 218 static u_int sysctl_map_flags(const u_int *, u_int); 219 static void fill_kproc2(struct proc *, struct kinfo_proc2 *); 220 static void fill_lwp(struct lwp *l, struct kinfo_lwp *kl); 221 static void fill_file(struct kinfo_file *, const struct file *, struct proc *, 222 int); 223 224 /* 225 * ******************************************************************** 226 * section 1: setup routines 227 * ******************************************************************** 228 * these functions are stuffed into a link set for sysctl setup 229 * functions. they're never called or referenced from anywhere else. 230 * ******************************************************************** 231 */ 232 233 /* 234 * sets up the base nodes... 235 */ 236 SYSCTL_SETUP(sysctl_root_setup, "sysctl base setup") 237 { 238 239 sysctl_createv(clog, 0, NULL, NULL, 240 CTLFLAG_PERMANENT, 241 CTLTYPE_NODE, "kern", 242 SYSCTL_DESCR("High kernel"), 243 NULL, 0, NULL, 0, 244 CTL_KERN, CTL_EOL); 245 sysctl_createv(clog, 0, NULL, NULL, 246 CTLFLAG_PERMANENT, 247 CTLTYPE_NODE, "vm", 248 SYSCTL_DESCR("Virtual memory"), 249 NULL, 0, NULL, 0, 250 CTL_VM, CTL_EOL); 251 sysctl_createv(clog, 0, NULL, NULL, 252 CTLFLAG_PERMANENT, 253 CTLTYPE_NODE, "vfs", 254 SYSCTL_DESCR("Filesystem"), 255 NULL, 0, NULL, 0, 256 CTL_VFS, CTL_EOL); 257 sysctl_createv(clog, 0, NULL, NULL, 258 CTLFLAG_PERMANENT, 259 CTLTYPE_NODE, "net", 260 SYSCTL_DESCR("Networking"), 261 NULL, 0, NULL, 0, 262 CTL_NET, CTL_EOL); 263 sysctl_createv(clog, 0, NULL, NULL, 264 CTLFLAG_PERMANENT, 265 CTLTYPE_NODE, "debug", 266 SYSCTL_DESCR("Debugging"), 267 NULL, 0, NULL, 0, 268 CTL_DEBUG, CTL_EOL); 269 sysctl_createv(clog, 0, NULL, NULL, 270 CTLFLAG_PERMANENT, 271 CTLTYPE_NODE, "hw", 272 SYSCTL_DESCR("Generic CPU, I/O"), 273 NULL, 0, NULL, 0, 274 CTL_HW, CTL_EOL); 275 sysctl_createv(clog, 0, NULL, NULL, 276 CTLFLAG_PERMANENT, 277 CTLTYPE_NODE, "machdep", 278 SYSCTL_DESCR("Machine dependent"), 279 NULL, 0, NULL, 0, 280 CTL_MACHDEP, CTL_EOL); 281 /* 282 * this node is inserted so that the sysctl nodes in libc can 283 * operate. 284 */ 285 sysctl_createv(clog, 0, NULL, NULL, 286 CTLFLAG_PERMANENT, 287 CTLTYPE_NODE, "user", 288 SYSCTL_DESCR("User-level"), 289 NULL, 0, NULL, 0, 290 CTL_USER, CTL_EOL); 291 sysctl_createv(clog, 0, NULL, NULL, 292 CTLFLAG_PERMANENT, 293 CTLTYPE_NODE, "ddb", 294 SYSCTL_DESCR("In-kernel debugger"), 295 NULL, 0, NULL, 0, 296 CTL_DDB, CTL_EOL); 297 sysctl_createv(clog, 0, NULL, NULL, 298 CTLFLAG_PERMANENT, 299 CTLTYPE_NODE, "proc", 300 SYSCTL_DESCR("Per-process"), 301 NULL, 0, NULL, 0, 302 CTL_PROC, CTL_EOL); 303 sysctl_createv(clog, 0, NULL, NULL, 304 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 305 CTLTYPE_NODE, "vendor", 306 SYSCTL_DESCR("Vendor specific"), 307 NULL, 0, NULL, 0, 308 CTL_VENDOR, CTL_EOL); 309 sysctl_createv(clog, 0, NULL, NULL, 310 CTLFLAG_PERMANENT, 311 CTLTYPE_NODE, "emul", 312 SYSCTL_DESCR("Emulation settings"), 313 NULL, 0, NULL, 0, 314 CTL_EMUL, CTL_EOL); 315 sysctl_createv(clog, 0, NULL, NULL, 316 CTLFLAG_PERMANENT, 317 CTLTYPE_NODE, "security", 318 SYSCTL_DESCR("Security"), 319 NULL, 0, NULL, 0, 320 CTL_SECURITY, CTL_EOL); 321 } 322 323 /* 324 * this setup routine is a replacement for kern_sysctl() 325 */ 326 SYSCTL_SETUP(sysctl_kern_setup, "sysctl kern subtree setup") 327 { 328 extern int kern_logsigexit; /* defined in kern/kern_sig.c */ 329 extern fixpt_t ccpu; /* defined in kern/kern_synch.c */ 330 extern int dumponpanic; /* defined in kern/subr_prf.c */ 331 const struct sysctlnode *rnode; 332 333 sysctl_createv(clog, 0, NULL, NULL, 334 CTLFLAG_PERMANENT, 335 CTLTYPE_NODE, "kern", NULL, 336 NULL, 0, NULL, 0, 337 CTL_KERN, CTL_EOL); 338 339 sysctl_createv(clog, 0, NULL, NULL, 340 CTLFLAG_PERMANENT, 341 CTLTYPE_STRING, "ostype", 342 SYSCTL_DESCR("Operating system type"), 343 NULL, 0, &ostype, 0, 344 CTL_KERN, KERN_OSTYPE, CTL_EOL); 345 sysctl_createv(clog, 0, NULL, NULL, 346 CTLFLAG_PERMANENT, 347 CTLTYPE_STRING, "osrelease", 348 SYSCTL_DESCR("Operating system release"), 349 NULL, 0, &osrelease, 0, 350 CTL_KERN, KERN_OSRELEASE, CTL_EOL); 351 sysctl_createv(clog, 0, NULL, NULL, 352 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 353 CTLTYPE_INT, "osrevision", 354 SYSCTL_DESCR("Operating system revision"), 355 NULL, __NetBSD_Version__, NULL, 0, 356 CTL_KERN, KERN_OSREV, CTL_EOL); 357 sysctl_createv(clog, 0, NULL, NULL, 358 CTLFLAG_PERMANENT, 359 CTLTYPE_STRING, "version", 360 SYSCTL_DESCR("Kernel version"), 361 NULL, 0, &version, 0, 362 CTL_KERN, KERN_VERSION, CTL_EOL); 363 sysctl_createv(clog, 0, NULL, NULL, 364 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 365 CTLTYPE_INT, "maxvnodes", 366 SYSCTL_DESCR("Maximum number of vnodes"), 367 sysctl_kern_maxvnodes, 0, NULL, 0, 368 CTL_KERN, KERN_MAXVNODES, CTL_EOL); 369 sysctl_createv(clog, 0, NULL, NULL, 370 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 371 CTLTYPE_INT, "maxproc", 372 SYSCTL_DESCR("Maximum number of simultaneous processes"), 373 sysctl_kern_maxproc, 0, NULL, 0, 374 CTL_KERN, KERN_MAXPROC, CTL_EOL); 375 sysctl_createv(clog, 0, NULL, NULL, 376 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 377 CTLTYPE_INT, "maxfiles", 378 SYSCTL_DESCR("Maximum number of open files"), 379 NULL, 0, &maxfiles, 0, 380 CTL_KERN, KERN_MAXFILES, CTL_EOL); 381 sysctl_createv(clog, 0, NULL, NULL, 382 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 383 CTLTYPE_INT, "argmax", 384 SYSCTL_DESCR("Maximum number of bytes of arguments to " 385 "execve(2)"), 386 NULL, ARG_MAX, NULL, 0, 387 CTL_KERN, KERN_ARGMAX, CTL_EOL); 388 sysctl_createv(clog, 0, NULL, NULL, 389 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 390 CTLTYPE_STRING, "hostname", 391 SYSCTL_DESCR("System hostname"), 392 sysctl_setlen, 0, &hostname, MAXHOSTNAMELEN, 393 CTL_KERN, KERN_HOSTNAME, CTL_EOL); 394 sysctl_createv(clog, 0, NULL, NULL, 395 CTLFLAG_PERMANENT|CTLFLAG_READWRITE|CTLFLAG_HEX, 396 CTLTYPE_INT, "hostid", 397 SYSCTL_DESCR("System host ID number"), 398 sysctl_kern_hostid, 0, NULL, 0, 399 CTL_KERN, KERN_HOSTID, CTL_EOL); 400 sysctl_createv(clog, 0, NULL, NULL, 401 CTLFLAG_PERMANENT, 402 CTLTYPE_STRUCT, "clockrate", 403 SYSCTL_DESCR("Kernel clock rates"), 404 sysctl_kern_clockrate, 0, NULL, 405 sizeof(struct clockinfo), 406 CTL_KERN, KERN_CLOCKRATE, CTL_EOL); 407 sysctl_createv(clog, 0, NULL, NULL, 408 CTLFLAG_PERMANENT, 409 CTLTYPE_INT, "hardclock_ticks", 410 SYSCTL_DESCR("Number of hardclock ticks"), 411 NULL, 0, &hardclock_ticks, sizeof(hardclock_ticks), 412 CTL_KERN, KERN_HARDCLOCK_TICKS, CTL_EOL); 413 sysctl_createv(clog, 0, NULL, NULL, 414 CTLFLAG_PERMANENT, 415 CTLTYPE_STRUCT, "vnode", 416 SYSCTL_DESCR("System vnode table"), 417 sysctl_kern_vnode, 0, NULL, 0, 418 CTL_KERN, KERN_VNODE, CTL_EOL); 419 sysctl_createv(clog, 0, NULL, NULL, 420 CTLFLAG_PERMANENT, 421 CTLTYPE_STRUCT, "file", 422 SYSCTL_DESCR("System open file table"), 423 sysctl_kern_file, 0, NULL, 0, 424 CTL_KERN, KERN_FILE, CTL_EOL); 425 #ifndef GPROF 426 sysctl_createv(clog, 0, NULL, NULL, 427 CTLFLAG_PERMANENT, 428 CTLTYPE_NODE, "profiling", 429 SYSCTL_DESCR("Profiling information (not available)"), 430 sysctl_notavail, 0, NULL, 0, 431 CTL_KERN, KERN_PROF, CTL_EOL); 432 #endif 433 sysctl_createv(clog, 0, NULL, NULL, 434 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 435 CTLTYPE_INT, "posix1version", 436 SYSCTL_DESCR("Version of ISO/IEC 9945 (POSIX 1003.1) " 437 "with which the operating system attempts " 438 "to comply"), 439 NULL, _POSIX_VERSION, NULL, 0, 440 CTL_KERN, KERN_POSIX1, CTL_EOL); 441 sysctl_createv(clog, 0, NULL, NULL, 442 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 443 CTLTYPE_INT, "ngroups", 444 SYSCTL_DESCR("Maximum number of supplemental groups"), 445 NULL, NGROUPS_MAX, NULL, 0, 446 CTL_KERN, KERN_NGROUPS, CTL_EOL); 447 sysctl_createv(clog, 0, NULL, NULL, 448 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 449 CTLTYPE_INT, "job_control", 450 SYSCTL_DESCR("Whether job control is available"), 451 NULL, 1, NULL, 0, 452 CTL_KERN, KERN_JOB_CONTROL, CTL_EOL); 453 sysctl_createv(clog, 0, NULL, NULL, 454 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 455 CTLTYPE_INT, "saved_ids", 456 SYSCTL_DESCR("Whether POSIX saved set-group/user ID is " 457 "available"), NULL, 458 #ifdef _POSIX_SAVED_IDS 459 1, 460 #else /* _POSIX_SAVED_IDS */ 461 0, 462 #endif /* _POSIX_SAVED_IDS */ 463 NULL, 0, CTL_KERN, KERN_SAVED_IDS, CTL_EOL); 464 sysctl_createv(clog, 0, NULL, NULL, 465 CTLFLAG_PERMANENT, 466 CTLTYPE_STRUCT, "boottime", 467 SYSCTL_DESCR("System boot time"), 468 NULL, 0, &boottime, sizeof(boottime), 469 CTL_KERN, KERN_BOOTTIME, CTL_EOL); 470 sysctl_createv(clog, 0, NULL, NULL, 471 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 472 CTLTYPE_STRING, "domainname", 473 SYSCTL_DESCR("YP domain name"), 474 sysctl_setlen, 0, &domainname, MAXHOSTNAMELEN, 475 CTL_KERN, KERN_DOMAINNAME, CTL_EOL); 476 sysctl_createv(clog, 0, NULL, NULL, 477 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 478 CTLTYPE_INT, "maxpartitions", 479 SYSCTL_DESCR("Maximum number of partitions allowed per " 480 "disk"), 481 NULL, MAXPARTITIONS, NULL, 0, 482 CTL_KERN, KERN_MAXPARTITIONS, CTL_EOL); 483 sysctl_createv(clog, 0, NULL, NULL, 484 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 485 CTLTYPE_INT, "rawpartition", 486 SYSCTL_DESCR("Raw partition of a disk"), 487 NULL, RAW_PART, NULL, 0, 488 CTL_KERN, KERN_RAWPARTITION, CTL_EOL); 489 sysctl_createv(clog, 0, NULL, NULL, 490 CTLFLAG_PERMANENT, 491 CTLTYPE_STRUCT, "timex", NULL, 492 sysctl_notavail, 0, NULL, 0, 493 CTL_KERN, KERN_TIMEX, CTL_EOL); 494 sysctl_createv(clog, 0, NULL, NULL, 495 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 496 CTLTYPE_INT, "rtc_offset", 497 SYSCTL_DESCR("Offset of real time clock from UTC in " 498 "minutes"), 499 sysctl_kern_rtc_offset, 0, &rtc_offset, 0, 500 CTL_KERN, KERN_RTC_OFFSET, CTL_EOL); 501 sysctl_createv(clog, 0, NULL, NULL, 502 CTLFLAG_PERMANENT, 503 CTLTYPE_STRING, "root_device", 504 SYSCTL_DESCR("Name of the root device"), 505 sysctl_root_device, 0, NULL, 0, 506 CTL_KERN, KERN_ROOT_DEVICE, CTL_EOL); 507 sysctl_createv(clog, 0, NULL, NULL, 508 CTLFLAG_PERMANENT, 509 CTLTYPE_INT, "msgbufsize", 510 SYSCTL_DESCR("Size of the kernel message buffer"), 511 sysctl_msgbuf, 0, NULL, 0, 512 CTL_KERN, KERN_MSGBUFSIZE, CTL_EOL); 513 sysctl_createv(clog, 0, NULL, NULL, 514 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 515 CTLTYPE_INT, "fsync", 516 SYSCTL_DESCR("Whether the POSIX 1003.1b File " 517 "Synchronization Option is available on " 518 "this system"), 519 NULL, 1, NULL, 0, 520 CTL_KERN, KERN_FSYNC, CTL_EOL); 521 sysctl_createv(clog, 0, NULL, NULL, 522 CTLFLAG_PERMANENT, 523 CTLTYPE_NODE, "ipc", 524 SYSCTL_DESCR("SysV IPC options"), 525 NULL, 0, NULL, 0, 526 CTL_KERN, KERN_SYSVIPC, CTL_EOL); 527 sysctl_createv(clog, 0, NULL, NULL, 528 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 529 CTLTYPE_INT, "sysvmsg", 530 SYSCTL_DESCR("System V style message support available"), 531 NULL, 532 #ifdef SYSVMSG 533 1, 534 #else /* SYSVMSG */ 535 0, 536 #endif /* SYSVMSG */ 537 NULL, 0, CTL_KERN, KERN_SYSVIPC, KERN_SYSVIPC_MSG, CTL_EOL); 538 sysctl_createv(clog, 0, NULL, NULL, 539 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 540 CTLTYPE_INT, "sysvsem", 541 SYSCTL_DESCR("System V style semaphore support " 542 "available"), NULL, 543 #ifdef SYSVSEM 544 1, 545 #else /* SYSVSEM */ 546 0, 547 #endif /* SYSVSEM */ 548 NULL, 0, CTL_KERN, KERN_SYSVIPC, KERN_SYSVIPC_SEM, CTL_EOL); 549 sysctl_createv(clog, 0, NULL, NULL, 550 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 551 CTLTYPE_INT, "sysvshm", 552 SYSCTL_DESCR("System V style shared memory support " 553 "available"), NULL, 554 #ifdef SYSVSHM 555 1, 556 #else /* SYSVSHM */ 557 0, 558 #endif /* SYSVSHM */ 559 NULL, 0, CTL_KERN, KERN_SYSVIPC, KERN_SYSVIPC_SHM, CTL_EOL); 560 sysctl_createv(clog, 0, NULL, NULL, 561 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 562 CTLTYPE_INT, "synchronized_io", 563 SYSCTL_DESCR("Whether the POSIX 1003.1b Synchronized " 564 "I/O Option is available on this system"), 565 NULL, 1, NULL, 0, 566 CTL_KERN, KERN_SYNCHRONIZED_IO, CTL_EOL); 567 sysctl_createv(clog, 0, NULL, NULL, 568 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 569 CTLTYPE_INT, "iov_max", 570 SYSCTL_DESCR("Maximum number of iovec structures per " 571 "process"), 572 NULL, IOV_MAX, NULL, 0, 573 CTL_KERN, KERN_IOV_MAX, CTL_EOL); 574 sysctl_createv(clog, 0, NULL, NULL, 575 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 576 CTLTYPE_INT, "mapped_files", 577 SYSCTL_DESCR("Whether the POSIX 1003.1b Memory Mapped " 578 "Files Option is available on this system"), 579 NULL, 1, NULL, 0, 580 CTL_KERN, KERN_MAPPED_FILES, CTL_EOL); 581 sysctl_createv(clog, 0, NULL, NULL, 582 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 583 CTLTYPE_INT, "memlock", 584 SYSCTL_DESCR("Whether the POSIX 1003.1b Process Memory " 585 "Locking Option is available on this " 586 "system"), 587 NULL, 1, NULL, 0, 588 CTL_KERN, KERN_MEMLOCK, CTL_EOL); 589 sysctl_createv(clog, 0, NULL, NULL, 590 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 591 CTLTYPE_INT, "memlock_range", 592 SYSCTL_DESCR("Whether the POSIX 1003.1b Range Memory " 593 "Locking Option is available on this " 594 "system"), 595 NULL, 1, NULL, 0, 596 CTL_KERN, KERN_MEMLOCK_RANGE, CTL_EOL); 597 sysctl_createv(clog, 0, NULL, NULL, 598 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 599 CTLTYPE_INT, "memory_protection", 600 SYSCTL_DESCR("Whether the POSIX 1003.1b Memory " 601 "Protection Option is available on this " 602 "system"), 603 NULL, 1, NULL, 0, 604 CTL_KERN, KERN_MEMORY_PROTECTION, CTL_EOL); 605 sysctl_createv(clog, 0, NULL, NULL, 606 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 607 CTLTYPE_INT, "login_name_max", 608 SYSCTL_DESCR("Maximum login name length"), 609 NULL, LOGIN_NAME_MAX, NULL, 0, 610 CTL_KERN, KERN_LOGIN_NAME_MAX, CTL_EOL); 611 sysctl_createv(clog, 0, NULL, NULL, 612 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 613 CTLTYPE_STRING, "defcorename", 614 SYSCTL_DESCR("Default core file name"), 615 sysctl_kern_defcorename, 0, defcorename, MAXPATHLEN, 616 CTL_KERN, KERN_DEFCORENAME, CTL_EOL); 617 sysctl_createv(clog, 0, NULL, NULL, 618 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 619 CTLTYPE_INT, "logsigexit", 620 SYSCTL_DESCR("Log process exit when caused by signals"), 621 NULL, 0, &kern_logsigexit, 0, 622 CTL_KERN, KERN_LOGSIGEXIT, CTL_EOL); 623 sysctl_createv(clog, 0, NULL, NULL, 624 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 625 CTLTYPE_INT, "fscale", 626 SYSCTL_DESCR("Kernel fixed-point scale factor"), 627 NULL, FSCALE, NULL, 0, 628 CTL_KERN, KERN_FSCALE, CTL_EOL); 629 sysctl_createv(clog, 0, NULL, NULL, 630 CTLFLAG_PERMANENT, 631 CTLTYPE_INT, "ccpu", 632 SYSCTL_DESCR("Scheduler exponential decay value"), 633 NULL, 0, &ccpu, 0, 634 CTL_KERN, KERN_CCPU, CTL_EOL); 635 sysctl_createv(clog, 0, NULL, NULL, 636 CTLFLAG_PERMANENT, 637 CTLTYPE_STRUCT, "cp_time", 638 SYSCTL_DESCR("Clock ticks spent in different CPU states"), 639 sysctl_kern_cptime, 0, NULL, 0, 640 CTL_KERN, KERN_CP_TIME, CTL_EOL); 641 sysctl_createv(clog, 0, NULL, NULL, 642 CTLFLAG_PERMANENT, 643 CTLTYPE_INT, "msgbuf", 644 SYSCTL_DESCR("Kernel message buffer"), 645 sysctl_msgbuf, 0, NULL, 0, 646 CTL_KERN, KERN_MSGBUF, CTL_EOL); 647 sysctl_createv(clog, 0, NULL, NULL, 648 CTLFLAG_PERMANENT, 649 CTLTYPE_STRUCT, "consdev", 650 SYSCTL_DESCR("Console device"), 651 sysctl_consdev, 0, NULL, sizeof(dev_t), 652 CTL_KERN, KERN_CONSDEV, CTL_EOL); 653 #if NPTY > 0 654 sysctl_createv(clog, 0, NULL, NULL, 655 CTLFLAG_PERMANENT, 656 CTLTYPE_INT, "maxptys", 657 SYSCTL_DESCR("Maximum number of pseudo-ttys"), 658 sysctl_kern_maxptys, 0, NULL, 0, 659 CTL_KERN, KERN_MAXPTYS, CTL_EOL); 660 #endif /* NPTY > 0 */ 661 sysctl_createv(clog, 0, NULL, NULL, 662 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 663 CTLTYPE_INT, "maxphys", 664 SYSCTL_DESCR("Maximum raw I/O transfer size"), 665 NULL, MAXPHYS, NULL, 0, 666 CTL_KERN, KERN_MAXPHYS, CTL_EOL); 667 sysctl_createv(clog, 0, NULL, NULL, 668 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 669 CTLTYPE_INT, "sbmax", 670 SYSCTL_DESCR("Maximum socket buffer size"), 671 sysctl_kern_sbmax, 0, NULL, 0, 672 CTL_KERN, KERN_SBMAX, CTL_EOL); 673 sysctl_createv(clog, 0, NULL, NULL, 674 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 675 CTLTYPE_INT, "monotonic_clock", 676 SYSCTL_DESCR("Implementation version of the POSIX " 677 "1003.1b Monotonic Clock Option"), 678 /* XXX _POSIX_VERSION */ 679 NULL, _POSIX_MONOTONIC_CLOCK, NULL, 0, 680 CTL_KERN, KERN_MONOTONIC_CLOCK, CTL_EOL); 681 sysctl_createv(clog, 0, NULL, NULL, 682 CTLFLAG_PERMANENT, 683 CTLTYPE_INT, "urandom", 684 SYSCTL_DESCR("Random integer value"), 685 sysctl_kern_urnd, 0, NULL, 0, 686 CTL_KERN, KERN_URND, CTL_EOL); 687 sysctl_createv(clog, 0, NULL, NULL, 688 CTLFLAG_PERMANENT, 689 CTLTYPE_INT, "arandom", 690 SYSCTL_DESCR("n bytes of random data"), 691 sysctl_kern_arnd, 0, NULL, 0, 692 CTL_KERN, KERN_ARND, CTL_EOL); 693 sysctl_createv(clog, 0, NULL, NULL, 694 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 695 CTLTYPE_INT, "labelsector", 696 SYSCTL_DESCR("Sector number containing the disklabel"), 697 NULL, LABELSECTOR, NULL, 0, 698 CTL_KERN, KERN_LABELSECTOR, CTL_EOL); 699 sysctl_createv(clog, 0, NULL, NULL, 700 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 701 CTLTYPE_INT, "labeloffset", 702 SYSCTL_DESCR("Offset of the disklabel within the " 703 "sector"), 704 NULL, LABELOFFSET, NULL, 0, 705 CTL_KERN, KERN_LABELOFFSET, CTL_EOL); 706 sysctl_createv(clog, 0, NULL, NULL, 707 CTLFLAG_PERMANENT, 708 CTLTYPE_NODE, "lwp", 709 SYSCTL_DESCR("System-wide LWP information"), 710 sysctl_kern_lwp, 0, NULL, 0, 711 CTL_KERN, KERN_LWP, CTL_EOL); 712 sysctl_createv(clog, 0, NULL, NULL, 713 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 714 CTLTYPE_INT, "forkfsleep", 715 SYSCTL_DESCR("Milliseconds to sleep on fork failure due " 716 "to process limits"), 717 sysctl_kern_forkfsleep, 0, NULL, 0, 718 CTL_KERN, KERN_FORKFSLEEP, CTL_EOL); 719 sysctl_createv(clog, 0, NULL, NULL, 720 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 721 CTLTYPE_INT, "posix_threads", 722 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 723 "Threads option to which the system " 724 "attempts to conform"), 725 /* XXX _POSIX_VERSION */ 726 NULL, _POSIX_THREADS, NULL, 0, 727 CTL_KERN, KERN_POSIX_THREADS, CTL_EOL); 728 sysctl_createv(clog, 0, NULL, NULL, 729 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 730 CTLTYPE_INT, "posix_semaphores", 731 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 732 "Semaphores option to which the system " 733 "attempts to conform"), NULL, 734 #ifdef P1003_1B_SEMAPHORE 735 200112, 736 #else /* P1003_1B_SEMAPHORE */ 737 0, 738 #endif /* P1003_1B_SEMAPHORE */ 739 NULL, 0, CTL_KERN, KERN_POSIX_SEMAPHORES, CTL_EOL); 740 sysctl_createv(clog, 0, NULL, NULL, 741 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 742 CTLTYPE_INT, "posix_barriers", 743 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 744 "Barriers option to which the system " 745 "attempts to conform"), 746 /* XXX _POSIX_VERSION */ 747 NULL, _POSIX_BARRIERS, NULL, 0, 748 CTL_KERN, KERN_POSIX_BARRIERS, CTL_EOL); 749 sysctl_createv(clog, 0, NULL, NULL, 750 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 751 CTLTYPE_INT, "posix_timers", 752 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 753 "Timers option to which the system " 754 "attempts to conform"), 755 /* XXX _POSIX_VERSION */ 756 NULL, _POSIX_TIMERS, NULL, 0, 757 CTL_KERN, KERN_POSIX_TIMERS, CTL_EOL); 758 sysctl_createv(clog, 0, NULL, NULL, 759 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 760 CTLTYPE_INT, "posix_spin_locks", 761 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its Spin " 762 "Locks option to which the system attempts " 763 "to conform"), 764 /* XXX _POSIX_VERSION */ 765 NULL, _POSIX_SPIN_LOCKS, NULL, 0, 766 CTL_KERN, KERN_POSIX_SPIN_LOCKS, CTL_EOL); 767 sysctl_createv(clog, 0, NULL, NULL, 768 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 769 CTLTYPE_INT, "posix_reader_writer_locks", 770 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 771 "Read-Write Locks option to which the " 772 "system attempts to conform"), 773 /* XXX _POSIX_VERSION */ 774 NULL, _POSIX_READER_WRITER_LOCKS, NULL, 0, 775 CTL_KERN, KERN_POSIX_READER_WRITER_LOCKS, CTL_EOL); 776 sysctl_createv(clog, 0, NULL, NULL, 777 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 778 CTLTYPE_INT, "dump_on_panic", 779 SYSCTL_DESCR("Perform a crash dump on system panic"), 780 NULL, 0, &dumponpanic, 0, 781 CTL_KERN, KERN_DUMP_ON_PANIC, CTL_EOL); 782 #ifdef DIAGNOSTIC 783 sysctl_createv(clog, 0, NULL, NULL, 784 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 785 CTLTYPE_INT, "panic_now", 786 SYSCTL_DESCR("Trigger a panic"), 787 sysctl_kern_trigger_panic, 0, NULL, 0, 788 CTL_KERN, CTL_CREATE, CTL_EOL); 789 #endif 790 sysctl_createv(clog, 0, NULL, NULL, 791 CTLFLAG_PERMANENT, 792 CTLTYPE_INT, "root_partition", 793 SYSCTL_DESCR("Root partition on the root device"), 794 sysctl_kern_root_partition, 0, NULL, 0, 795 CTL_KERN, KERN_ROOT_PARTITION, CTL_EOL); 796 sysctl_createv(clog, 0, NULL, NULL, 797 CTLFLAG_PERMANENT, 798 CTLTYPE_STRUCT, "drivers", 799 SYSCTL_DESCR("List of all drivers with block and " 800 "character device numbers"), 801 sysctl_kern_drivers, 0, NULL, 0, 802 CTL_KERN, KERN_DRIVERS, CTL_EOL); 803 sysctl_createv(clog, 0, NULL, NULL, 804 CTLFLAG_PERMANENT, 805 CTLTYPE_STRUCT, "file2", 806 SYSCTL_DESCR("System open file table"), 807 sysctl_kern_file2, 0, NULL, 0, 808 CTL_KERN, KERN_FILE2, CTL_EOL); 809 sysctl_createv(clog, 0, NULL, NULL, 810 CTLFLAG_PERMANENT, 811 CTLTYPE_STRUCT, "cp_id", 812 SYSCTL_DESCR("Mapping of CPU number to CPU id"), 813 sysctl_kern_cpid, 0, NULL, 0, 814 CTL_KERN, KERN_CP_ID, CTL_EOL); 815 sysctl_createv(clog, 0, NULL, &rnode, 816 CTLFLAG_PERMANENT, 817 CTLTYPE_NODE, "coredump", 818 SYSCTL_DESCR("Coredump settings."), 819 NULL, 0, NULL, 0, 820 CTL_KERN, CTL_CREATE, CTL_EOL); 821 sysctl_createv(clog, 0, &rnode, &rnode, 822 CTLFLAG_PERMANENT, 823 CTLTYPE_NODE, "setid", 824 SYSCTL_DESCR("Set-id processes' coredump settings."), 825 NULL, 0, NULL, 0, 826 CTL_CREATE, CTL_EOL); 827 sysctl_createv(clog, 0, &rnode, NULL, 828 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 829 CTLTYPE_INT, "dump", 830 SYSCTL_DESCR("Allow set-id processes to dump core."), 831 sysctl_security_setidcore, 0, &security_setidcore_dump, 832 sizeof(security_setidcore_dump), 833 CTL_CREATE, CTL_EOL); 834 sysctl_createv(clog, 0, &rnode, NULL, 835 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 836 CTLTYPE_STRING, "path", 837 SYSCTL_DESCR("Path pattern for set-id coredumps."), 838 sysctl_security_setidcorename, 0, 839 &security_setidcore_path, 840 sizeof(security_setidcore_path), 841 CTL_CREATE, CTL_EOL); 842 sysctl_createv(clog, 0, &rnode, NULL, 843 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 844 CTLTYPE_INT, "owner", 845 SYSCTL_DESCR("Owner id for set-id processes' cores."), 846 sysctl_security_setidcore, 0, &security_setidcore_owner, 847 0, 848 CTL_CREATE, CTL_EOL); 849 sysctl_createv(clog, 0, &rnode, NULL, 850 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 851 CTLTYPE_INT, "group", 852 SYSCTL_DESCR("Group id for set-id processes' cores."), 853 sysctl_security_setidcore, 0, &security_setidcore_group, 854 0, 855 CTL_CREATE, CTL_EOL); 856 sysctl_createv(clog, 0, &rnode, NULL, 857 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 858 CTLTYPE_INT, "mode", 859 SYSCTL_DESCR("Mode for set-id processes' cores."), 860 sysctl_security_setidcore, 0, &security_setidcore_mode, 861 0, 862 CTL_CREATE, CTL_EOL); 863 } 864 865 SYSCTL_SETUP(sysctl_kern_proc_setup, 866 "sysctl kern.proc/proc2/proc_args subtree setup") 867 { 868 869 sysctl_createv(clog, 0, NULL, NULL, 870 CTLFLAG_PERMANENT, 871 CTLTYPE_NODE, "kern", NULL, 872 NULL, 0, NULL, 0, 873 CTL_KERN, CTL_EOL); 874 875 sysctl_createv(clog, 0, NULL, NULL, 876 CTLFLAG_PERMANENT, 877 CTLTYPE_NODE, "proc", 878 SYSCTL_DESCR("System-wide process information"), 879 sysctl_doeproc, 0, NULL, 0, 880 CTL_KERN, KERN_PROC, CTL_EOL); 881 sysctl_createv(clog, 0, NULL, NULL, 882 CTLFLAG_PERMANENT, 883 CTLTYPE_NODE, "proc2", 884 SYSCTL_DESCR("Machine-independent process information"), 885 sysctl_doeproc, 0, NULL, 0, 886 CTL_KERN, KERN_PROC2, CTL_EOL); 887 sysctl_createv(clog, 0, NULL, NULL, 888 CTLFLAG_PERMANENT, 889 CTLTYPE_NODE, "proc_args", 890 SYSCTL_DESCR("Process argument information"), 891 sysctl_kern_proc_args, 0, NULL, 0, 892 CTL_KERN, KERN_PROC_ARGS, CTL_EOL); 893 894 /* 895 "nodes" under these: 896 897 KERN_PROC_ALL 898 KERN_PROC_PID pid 899 KERN_PROC_PGRP pgrp 900 KERN_PROC_SESSION sess 901 KERN_PROC_TTY tty 902 KERN_PROC_UID uid 903 KERN_PROC_RUID uid 904 KERN_PROC_GID gid 905 KERN_PROC_RGID gid 906 907 all in all, probably not worth the effort... 908 */ 909 } 910 911 SYSCTL_SETUP(sysctl_hw_setup, "sysctl hw subtree setup") 912 { 913 u_int u; 914 u_quad_t q; 915 916 sysctl_createv(clog, 0, NULL, NULL, 917 CTLFLAG_PERMANENT, 918 CTLTYPE_NODE, "hw", NULL, 919 NULL, 0, NULL, 0, 920 CTL_HW, CTL_EOL); 921 922 sysctl_createv(clog, 0, NULL, NULL, 923 CTLFLAG_PERMANENT, 924 CTLTYPE_STRING, "machine", 925 SYSCTL_DESCR("Machine class"), 926 NULL, 0, machine, 0, 927 CTL_HW, HW_MACHINE, CTL_EOL); 928 sysctl_createv(clog, 0, NULL, NULL, 929 CTLFLAG_PERMANENT, 930 CTLTYPE_STRING, "model", 931 SYSCTL_DESCR("Machine model"), 932 NULL, 0, cpu_model, 0, 933 CTL_HW, HW_MODEL, CTL_EOL); 934 sysctl_createv(clog, 0, NULL, NULL, 935 CTLFLAG_PERMANENT, 936 CTLTYPE_INT, "ncpu", 937 SYSCTL_DESCR("Number of active CPUs"), 938 sysctl_hw_ncpu, 0, NULL, 0, 939 CTL_HW, HW_NCPU, CTL_EOL); 940 sysctl_createv(clog, 0, NULL, NULL, 941 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 942 CTLTYPE_INT, "byteorder", 943 SYSCTL_DESCR("System byte order"), 944 NULL, BYTE_ORDER, NULL, 0, 945 CTL_HW, HW_BYTEORDER, CTL_EOL); 946 u = ((u_int)physmem > (UINT_MAX / PAGE_SIZE)) ? 947 UINT_MAX : physmem * PAGE_SIZE; 948 sysctl_createv(clog, 0, NULL, NULL, 949 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 950 CTLTYPE_INT, "physmem", 951 SYSCTL_DESCR("Bytes of physical memory"), 952 NULL, u, NULL, 0, 953 CTL_HW, HW_PHYSMEM, CTL_EOL); 954 sysctl_createv(clog, 0, NULL, NULL, 955 CTLFLAG_PERMANENT, 956 CTLTYPE_INT, "usermem", 957 SYSCTL_DESCR("Bytes of non-kernel memory"), 958 sysctl_hw_usermem, 0, NULL, 0, 959 CTL_HW, HW_USERMEM, CTL_EOL); 960 sysctl_createv(clog, 0, NULL, NULL, 961 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 962 CTLTYPE_INT, "pagesize", 963 SYSCTL_DESCR("Software page size"), 964 NULL, PAGE_SIZE, NULL, 0, 965 CTL_HW, HW_PAGESIZE, CTL_EOL); 966 sysctl_createv(clog, 0, NULL, NULL, 967 CTLFLAG_PERMANENT, 968 CTLTYPE_STRING, "machine_arch", 969 SYSCTL_DESCR("Machine CPU class"), 970 NULL, 0, machine_arch, 0, 971 CTL_HW, HW_MACHINE_ARCH, CTL_EOL); 972 sysctl_createv(clog, 0, NULL, NULL, 973 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 974 CTLTYPE_INT, "alignbytes", 975 SYSCTL_DESCR("Alignment constraint for all possible " 976 "data types"), 977 NULL, ALIGNBYTES, NULL, 0, 978 CTL_HW, HW_ALIGNBYTES, CTL_EOL); 979 sysctl_createv(clog, 0, NULL, NULL, 980 CTLFLAG_PERMANENT|CTLFLAG_READWRITE|CTLFLAG_HEX, 981 CTLTYPE_STRING, "cnmagic", 982 SYSCTL_DESCR("Console magic key sequence"), 983 sysctl_hw_cnmagic, 0, NULL, CNS_LEN, 984 CTL_HW, HW_CNMAGIC, CTL_EOL); 985 q = (u_quad_t)physmem * PAGE_SIZE; 986 sysctl_createv(clog, 0, NULL, NULL, 987 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 988 CTLTYPE_QUAD, "physmem64", 989 SYSCTL_DESCR("Bytes of physical memory"), 990 NULL, q, NULL, 0, 991 CTL_HW, HW_PHYSMEM64, CTL_EOL); 992 sysctl_createv(clog, 0, NULL, NULL, 993 CTLFLAG_PERMANENT, 994 CTLTYPE_QUAD, "usermem64", 995 SYSCTL_DESCR("Bytes of non-kernel memory"), 996 sysctl_hw_usermem, 0, NULL, 0, 997 CTL_HW, HW_USERMEM64, CTL_EOL); 998 } 999 1000 #ifdef DEBUG 1001 /* 1002 * Debugging related system variables. 1003 */ 1004 struct ctldebug /* debug0, */ /* debug1, */ debug2, debug3, debug4; 1005 struct ctldebug debug5, debug6, debug7, debug8, debug9; 1006 struct ctldebug debug10, debug11, debug12, debug13, debug14; 1007 struct ctldebug debug15, debug16, debug17, debug18, debug19; 1008 static struct ctldebug *debugvars[CTL_DEBUG_MAXID] = { 1009 &debug0, &debug1, &debug2, &debug3, &debug4, 1010 &debug5, &debug6, &debug7, &debug8, &debug9, 1011 &debug10, &debug11, &debug12, &debug13, &debug14, 1012 &debug15, &debug16, &debug17, &debug18, &debug19, 1013 }; 1014 1015 /* 1016 * this setup routine is a replacement for debug_sysctl() 1017 * 1018 * note that it creates several nodes per defined debug variable 1019 */ 1020 SYSCTL_SETUP(sysctl_debug_setup, "sysctl debug subtree setup") 1021 { 1022 struct ctldebug *cdp; 1023 char nodename[20]; 1024 int i; 1025 1026 /* 1027 * two ways here: 1028 * 1029 * the "old" way (debug.name -> value) which was emulated by 1030 * the sysctl(8) binary 1031 * 1032 * the new way, which the sysctl(8) binary was actually using 1033 1034 node debug 1035 node debug.0 1036 string debug.0.name 1037 int debug.0.value 1038 int debug.name 1039 1040 */ 1041 1042 sysctl_createv(clog, 0, NULL, NULL, 1043 CTLFLAG_PERMANENT, 1044 CTLTYPE_NODE, "debug", NULL, 1045 NULL, 0, NULL, 0, 1046 CTL_DEBUG, CTL_EOL); 1047 1048 for (i = 0; i < CTL_DEBUG_MAXID; i++) { 1049 cdp = debugvars[i]; 1050 if (cdp->debugname == NULL || cdp->debugvar == NULL) 1051 continue; 1052 1053 snprintf(nodename, sizeof(nodename), "debug%d", i); 1054 sysctl_createv(clog, 0, NULL, NULL, 1055 CTLFLAG_PERMANENT|CTLFLAG_HIDDEN, 1056 CTLTYPE_NODE, nodename, NULL, 1057 NULL, 0, NULL, 0, 1058 CTL_DEBUG, i, CTL_EOL); 1059 sysctl_createv(clog, 0, NULL, NULL, 1060 CTLFLAG_PERMANENT|CTLFLAG_HIDDEN, 1061 CTLTYPE_STRING, "name", NULL, 1062 /*XXXUNCONST*/ 1063 NULL, 0, __UNCONST(cdp->debugname), 0, 1064 CTL_DEBUG, i, CTL_DEBUG_NAME, CTL_EOL); 1065 sysctl_createv(clog, 0, NULL, NULL, 1066 CTLFLAG_PERMANENT|CTLFLAG_HIDDEN, 1067 CTLTYPE_INT, "value", NULL, 1068 NULL, 0, cdp->debugvar, 0, 1069 CTL_DEBUG, i, CTL_DEBUG_VALUE, CTL_EOL); 1070 sysctl_createv(clog, 0, NULL, NULL, 1071 CTLFLAG_PERMANENT, 1072 CTLTYPE_INT, cdp->debugname, NULL, 1073 NULL, 0, cdp->debugvar, 0, 1074 CTL_DEBUG, CTL_CREATE, CTL_EOL); 1075 } 1076 } 1077 #endif /* DEBUG */ 1078 1079 /* 1080 * ******************************************************************** 1081 * section 2: private node-specific helper routines. 1082 * ******************************************************************** 1083 */ 1084 1085 #ifdef DIAGNOSTIC 1086 static int 1087 sysctl_kern_trigger_panic(SYSCTLFN_ARGS) 1088 { 1089 int newtrig, error; 1090 struct sysctlnode node; 1091 1092 newtrig = 0; 1093 node = *rnode; 1094 node.sysctl_data = &newtrig; 1095 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1096 if (error || newp == NULL) 1097 return (error); 1098 1099 if (newtrig != 0) 1100 panic("Panic triggered"); 1101 1102 return (error); 1103 } 1104 #endif 1105 1106 /* 1107 * sysctl helper routine for kern.maxvnodes. drain vnodes if 1108 * new value is lower than desiredvnodes and then calls reinit 1109 * routines that needs to adjust to the new value. 1110 */ 1111 static int 1112 sysctl_kern_maxvnodes(SYSCTLFN_ARGS) 1113 { 1114 int error, new_vnodes, old_vnodes; 1115 struct sysctlnode node; 1116 1117 new_vnodes = desiredvnodes; 1118 node = *rnode; 1119 node.sysctl_data = &new_vnodes; 1120 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1121 if (error || newp == NULL) 1122 return (error); 1123 1124 old_vnodes = desiredvnodes; 1125 desiredvnodes = new_vnodes; 1126 if (new_vnodes < old_vnodes) { 1127 error = vfs_drainvnodes(new_vnodes, l); 1128 if (error) { 1129 desiredvnodes = old_vnodes; 1130 return (error); 1131 } 1132 } 1133 vfs_reinit(); 1134 nchreinit(); 1135 1136 return (0); 1137 } 1138 1139 /* 1140 * sysctl helper routine for rtc_offset - set time after changes 1141 */ 1142 static int 1143 sysctl_kern_rtc_offset(SYSCTLFN_ARGS) 1144 { 1145 struct timespec ts, delta; 1146 int error, new_rtc_offset; 1147 struct sysctlnode node; 1148 1149 new_rtc_offset = rtc_offset; 1150 node = *rnode; 1151 node.sysctl_data = &new_rtc_offset; 1152 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1153 if (error || newp == NULL) 1154 return (error); 1155 1156 if (kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_TIME, 1157 KAUTH_REQ_SYSTEM_TIME_RTCOFFSET, 1158 (void *)(u_long)new_rtc_offset, NULL, NULL)) 1159 return (EPERM); 1160 if (rtc_offset == new_rtc_offset) 1161 return (0); 1162 1163 /* if we change the offset, adjust the time */ 1164 nanotime(&ts); 1165 delta.tv_sec = 60 * (new_rtc_offset - rtc_offset); 1166 delta.tv_nsec = 0; 1167 timespecadd(&ts, &delta, &ts); 1168 rtc_offset = new_rtc_offset; 1169 settime(l->l_proc, &ts); 1170 1171 return (0); 1172 } 1173 1174 /* 1175 * sysctl helper routine for kern.maxproc. ensures that the new 1176 * values are not too low or too high. 1177 */ 1178 static int 1179 sysctl_kern_maxproc(SYSCTLFN_ARGS) 1180 { 1181 int error, nmaxproc; 1182 struct sysctlnode node; 1183 1184 nmaxproc = maxproc; 1185 node = *rnode; 1186 node.sysctl_data = &nmaxproc; 1187 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1188 if (error || newp == NULL) 1189 return (error); 1190 1191 if (nmaxproc < 0 || nmaxproc >= PID_MAX) 1192 return (EINVAL); 1193 #ifdef __HAVE_CPU_MAXPROC 1194 if (nmaxproc > cpu_maxproc()) 1195 return (EINVAL); 1196 #endif 1197 maxproc = nmaxproc; 1198 1199 return (0); 1200 } 1201 1202 /* 1203 * sysctl helper function for kern.hostid. the hostid is a long, but 1204 * we export it as an int, so we need to give it a little help. 1205 */ 1206 static int 1207 sysctl_kern_hostid(SYSCTLFN_ARGS) 1208 { 1209 int error, inthostid; 1210 struct sysctlnode node; 1211 1212 inthostid = hostid; /* XXX assumes sizeof int <= sizeof long */ 1213 node = *rnode; 1214 node.sysctl_data = &inthostid; 1215 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1216 if (error || newp == NULL) 1217 return (error); 1218 1219 hostid = (unsigned)inthostid; 1220 1221 return (0); 1222 } 1223 1224 /* 1225 * sysctl helper function for kern.hostname and kern.domainnname. 1226 * resets the relevant recorded length when the underlying name is 1227 * changed. 1228 */ 1229 static int 1230 sysctl_setlen(SYSCTLFN_ARGS) 1231 { 1232 int error; 1233 1234 error = sysctl_lookup(SYSCTLFN_CALL(rnode)); 1235 if (error || newp == NULL) 1236 return (error); 1237 1238 switch (rnode->sysctl_num) { 1239 case KERN_HOSTNAME: 1240 hostnamelen = strlen((const char*)rnode->sysctl_data); 1241 break; 1242 case KERN_DOMAINNAME: 1243 domainnamelen = strlen((const char*)rnode->sysctl_data); 1244 break; 1245 } 1246 1247 return (0); 1248 } 1249 1250 /* 1251 * sysctl helper routine for kern.clockrate. assembles a struct on 1252 * the fly to be returned to the caller. 1253 */ 1254 static int 1255 sysctl_kern_clockrate(SYSCTLFN_ARGS) 1256 { 1257 struct clockinfo clkinfo; 1258 struct sysctlnode node; 1259 1260 clkinfo.tick = tick; 1261 clkinfo.tickadj = tickadj; 1262 clkinfo.hz = hz; 1263 clkinfo.profhz = profhz; 1264 clkinfo.stathz = stathz ? stathz : hz; 1265 1266 node = *rnode; 1267 node.sysctl_data = &clkinfo; 1268 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1269 } 1270 1271 1272 /* 1273 * sysctl helper routine for kern.file pseudo-subtree. 1274 */ 1275 static int 1276 sysctl_kern_file(SYSCTLFN_ARGS) 1277 { 1278 int error; 1279 size_t buflen; 1280 struct file *fp; 1281 char *start, *where; 1282 1283 start = where = oldp; 1284 buflen = *oldlenp; 1285 if (where == NULL) { 1286 /* 1287 * overestimate by 10 files 1288 */ 1289 *oldlenp = sizeof(filehead) + (nfiles + 10) * sizeof(struct file); 1290 return (0); 1291 } 1292 1293 /* 1294 * first dcopyout filehead 1295 */ 1296 if (buflen < sizeof(filehead)) { 1297 *oldlenp = 0; 1298 return (0); 1299 } 1300 error = dcopyout(l, &filehead, where, sizeof(filehead)); 1301 if (error) 1302 return (error); 1303 buflen -= sizeof(filehead); 1304 where += sizeof(filehead); 1305 1306 /* 1307 * followed by an array of file structures 1308 */ 1309 LIST_FOREACH(fp, &filehead, f_list) { 1310 if (kauth_authorize_generic(l->l_cred, 1311 KAUTH_GENERIC_CANSEE, fp->f_cred) != 0) 1312 continue; 1313 if (buflen < sizeof(struct file)) { 1314 *oldlenp = where - start; 1315 return (ENOMEM); 1316 } 1317 error = dcopyout(l, fp, where, sizeof(struct file)); 1318 if (error) 1319 return (error); 1320 buflen -= sizeof(struct file); 1321 where += sizeof(struct file); 1322 } 1323 *oldlenp = where - start; 1324 return (0); 1325 } 1326 1327 /* 1328 * sysctl helper routine for kern.msgbufsize and kern.msgbuf. for the 1329 * former it merely checks the message buffer is set up. for the latter, 1330 * it also copies out the data if necessary. 1331 */ 1332 static int 1333 sysctl_msgbuf(SYSCTLFN_ARGS) 1334 { 1335 char *where = oldp; 1336 size_t len, maxlen; 1337 long beg, end; 1338 int error; 1339 1340 if (!msgbufenabled || msgbufp->msg_magic != MSG_MAGIC) { 1341 msgbufenabled = 0; 1342 return (ENXIO); 1343 } 1344 1345 switch (rnode->sysctl_num) { 1346 case KERN_MSGBUFSIZE: { 1347 struct sysctlnode node = *rnode; 1348 int msg_bufs = (int)msgbufp->msg_bufs; 1349 node.sysctl_data = &msg_bufs; 1350 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1351 } 1352 case KERN_MSGBUF: 1353 break; 1354 default: 1355 return (EOPNOTSUPP); 1356 } 1357 1358 if (newp != NULL) 1359 return (EPERM); 1360 1361 if (oldp == NULL) { 1362 /* always return full buffer size */ 1363 *oldlenp = msgbufp->msg_bufs; 1364 return (0); 1365 } 1366 1367 error = 0; 1368 maxlen = MIN(msgbufp->msg_bufs, *oldlenp); 1369 1370 /* 1371 * First, copy from the write pointer to the end of 1372 * message buffer. 1373 */ 1374 beg = msgbufp->msg_bufx; 1375 end = msgbufp->msg_bufs; 1376 while (maxlen > 0) { 1377 len = MIN(end - beg, maxlen); 1378 if (len == 0) 1379 break; 1380 error = dcopyout(l, &msgbufp->msg_bufc[beg], where, len); 1381 if (error) 1382 break; 1383 where += len; 1384 maxlen -= len; 1385 1386 /* 1387 * ... then, copy from the beginning of message buffer to 1388 * the write pointer. 1389 */ 1390 beg = 0; 1391 end = msgbufp->msg_bufx; 1392 } 1393 1394 return (error); 1395 } 1396 1397 /* 1398 * sysctl helper routine for kern.defcorename. in the case of a new 1399 * string being assigned, check that it's not a zero-length string. 1400 * (XXX the check in -current doesn't work, but do we really care?) 1401 */ 1402 static int 1403 sysctl_kern_defcorename(SYSCTLFN_ARGS) 1404 { 1405 int error; 1406 char *newcorename; 1407 struct sysctlnode node; 1408 1409 newcorename = PNBUF_GET(); 1410 node = *rnode; 1411 node.sysctl_data = &newcorename[0]; 1412 memcpy(node.sysctl_data, rnode->sysctl_data, MAXPATHLEN); 1413 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1414 if (error || newp == NULL) { 1415 goto done; 1416 } 1417 1418 /* 1419 * when sysctl_lookup() deals with a string, it's guaranteed 1420 * to come back nul terminated. so there. :) 1421 */ 1422 if (strlen(newcorename) == 0) { 1423 error = EINVAL; 1424 } else { 1425 memcpy(rnode->sysctl_data, node.sysctl_data, MAXPATHLEN); 1426 error = 0; 1427 } 1428 done: 1429 PNBUF_PUT(newcorename); 1430 return error; 1431 } 1432 1433 /* 1434 * sysctl helper routine for kern.cp_time node. adds up cpu time 1435 * across all cpus. 1436 */ 1437 static int 1438 sysctl_kern_cptime(SYSCTLFN_ARGS) 1439 { 1440 struct sysctlnode node = *rnode; 1441 1442 #ifndef MULTIPROCESSOR 1443 1444 if (namelen == 1) { 1445 if (name[0] != 0) 1446 return (ENOENT); 1447 /* 1448 * you're allowed to ask for the zero'th processor 1449 */ 1450 name++; 1451 namelen--; 1452 } 1453 node.sysctl_data = curcpu()->ci_schedstate.spc_cp_time; 1454 node.sysctl_size = sizeof(curcpu()->ci_schedstate.spc_cp_time); 1455 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1456 1457 #else /* MULTIPROCESSOR */ 1458 1459 uint64_t *cp_time = NULL; 1460 int error, n = ncpu, i; 1461 struct cpu_info *ci; 1462 CPU_INFO_ITERATOR cii; 1463 1464 /* 1465 * if you specifically pass a buffer that is the size of the 1466 * sum, or if you are probing for the size, you get the "sum" 1467 * of cp_time (and the size thereof) across all processors. 1468 * 1469 * alternately, you can pass an additional mib number and get 1470 * cp_time for that particular processor. 1471 */ 1472 switch (namelen) { 1473 case 0: 1474 if (*oldlenp == sizeof(uint64_t) * CPUSTATES || oldp == NULL) { 1475 node.sysctl_size = sizeof(uint64_t) * CPUSTATES; 1476 n = -1; /* SUM */ 1477 } 1478 else { 1479 node.sysctl_size = n * sizeof(uint64_t) * CPUSTATES; 1480 n = -2; /* ALL */ 1481 } 1482 break; 1483 case 1: 1484 if (name[0] < 0 || name[0] >= n) 1485 return (ENOENT); /* ENOSUCHPROCESSOR */ 1486 node.sysctl_size = sizeof(uint64_t) * CPUSTATES; 1487 n = name[0]; 1488 /* 1489 * adjust these so that sysctl_lookup() will be happy 1490 */ 1491 name++; 1492 namelen--; 1493 break; 1494 default: 1495 return (EINVAL); 1496 } 1497 1498 cp_time = malloc(node.sysctl_size, M_TEMP, M_WAITOK|M_CANFAIL); 1499 if (cp_time == NULL) 1500 return (ENOMEM); 1501 node.sysctl_data = cp_time; 1502 memset(cp_time, 0, node.sysctl_size); 1503 1504 for (CPU_INFO_FOREACH(cii, ci)) { 1505 if (n <= 0) 1506 for (i = 0; i < CPUSTATES; i++) 1507 cp_time[i] += ci->ci_schedstate.spc_cp_time[i]; 1508 /* 1509 * if a specific processor was requested and we just 1510 * did it, we're done here 1511 */ 1512 if (n == 0) 1513 break; 1514 /* 1515 * if doing "all", skip to next cp_time set for next processor 1516 */ 1517 if (n == -2) 1518 cp_time += CPUSTATES; 1519 /* 1520 * if we're doing a specific processor, we're one 1521 * processor closer 1522 */ 1523 if (n > 0) 1524 n--; 1525 } 1526 1527 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1528 free(node.sysctl_data, M_TEMP); 1529 return (error); 1530 1531 #endif /* MULTIPROCESSOR */ 1532 } 1533 1534 #if NPTY > 0 1535 /* 1536 * sysctl helper routine for kern.maxptys. ensures that any new value 1537 * is acceptable to the pty subsystem. 1538 */ 1539 static int 1540 sysctl_kern_maxptys(SYSCTLFN_ARGS) 1541 { 1542 int pty_maxptys(int, int); /* defined in kern/tty_pty.c */ 1543 int error, xmax; 1544 struct sysctlnode node; 1545 1546 /* get current value of maxptys */ 1547 xmax = pty_maxptys(0, 0); 1548 1549 node = *rnode; 1550 node.sysctl_data = &xmax; 1551 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1552 if (error || newp == NULL) 1553 return (error); 1554 1555 if (xmax != pty_maxptys(xmax, 1)) 1556 return (EINVAL); 1557 1558 return (0); 1559 } 1560 #endif /* NPTY > 0 */ 1561 1562 /* 1563 * sysctl helper routine for kern.sbmax. basically just ensures that 1564 * any new value is not too small. 1565 */ 1566 static int 1567 sysctl_kern_sbmax(SYSCTLFN_ARGS) 1568 { 1569 int error, new_sbmax; 1570 struct sysctlnode node; 1571 1572 new_sbmax = sb_max; 1573 node = *rnode; 1574 node.sysctl_data = &new_sbmax; 1575 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1576 if (error || newp == NULL) 1577 return (error); 1578 1579 error = sb_max_set(new_sbmax); 1580 1581 return (error); 1582 } 1583 1584 /* 1585 * sysctl helper routine for kern.urandom node. picks a random number 1586 * for you. 1587 */ 1588 static int 1589 sysctl_kern_urnd(SYSCTLFN_ARGS) 1590 { 1591 #if NRND > 0 1592 int v; 1593 1594 if (rnd_extract_data(&v, sizeof(v), RND_EXTRACT_ANY) == sizeof(v)) { 1595 struct sysctlnode node = *rnode; 1596 node.sysctl_data = &v; 1597 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1598 } 1599 else 1600 return (EIO); /*XXX*/ 1601 #else 1602 return (EOPNOTSUPP); 1603 #endif 1604 } 1605 1606 /* 1607 * sysctl helper routine for kern.arandom node. picks a random number 1608 * for you. 1609 */ 1610 static int 1611 sysctl_kern_arnd(SYSCTLFN_ARGS) 1612 { 1613 #if NRND > 0 1614 int error; 1615 void *v; 1616 struct sysctlnode node = *rnode; 1617 1618 if (*oldlenp == 0) 1619 return 0; 1620 if (*oldlenp > 8192) 1621 return E2BIG; 1622 1623 v = malloc(*oldlenp, M_TEMP, M_WAITOK); 1624 1625 arc4randbytes(v, *oldlenp); 1626 node.sysctl_data = v; 1627 node.sysctl_size = *oldlenp; 1628 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1629 free(v, M_TEMP); 1630 return error; 1631 #else 1632 return (EOPNOTSUPP); 1633 #endif 1634 } 1635 /* 1636 * sysctl helper routine to do kern.lwp.* work. 1637 */ 1638 static int 1639 sysctl_kern_lwp(SYSCTLFN_ARGS) 1640 { 1641 struct kinfo_lwp klwp; 1642 struct proc *p; 1643 struct lwp *l2; 1644 char *where, *dp; 1645 int pid, elem_size, elem_count; 1646 int buflen, needed, error; 1647 1648 if (namelen == 1 && name[0] == CTL_QUERY) 1649 return (sysctl_query(SYSCTLFN_CALL(rnode))); 1650 1651 dp = where = oldp; 1652 buflen = where != NULL ? *oldlenp : 0; 1653 error = needed = 0; 1654 1655 if (newp != NULL || namelen != 3) 1656 return (EINVAL); 1657 pid = name[0]; 1658 elem_size = name[1]; 1659 elem_count = name[2]; 1660 1661 mutex_enter(&proclist_lock); 1662 if (pid == -1) { 1663 LIST_FOREACH(l2, &alllwp, l_list) { 1664 if (buflen >= elem_size && elem_count > 0) { 1665 lwp_lock(l2); 1666 fill_lwp(l2, &klwp); 1667 lwp_unlock(l2); 1668 1669 /* 1670 * Copy out elem_size, but not larger than 1671 * the size of a struct kinfo_proc2. 1672 * 1673 * XXX We should not be holding p_smutex, but 1674 * for now, the buffer is wired. Fix later. 1675 */ 1676 error = dcopyout(l, &klwp, dp, 1677 min(sizeof(klwp), elem_size)); 1678 if (error) 1679 goto cleanup; 1680 dp += elem_size; 1681 buflen -= elem_size; 1682 elem_count--; 1683 } 1684 needed += elem_size; 1685 } 1686 } else { 1687 p = p_find(pid, PFIND_LOCKED); 1688 if (p == NULL) { 1689 mutex_exit(&proclist_lock); 1690 return (ESRCH); 1691 } 1692 mutex_enter(&p->p_smutex); 1693 LIST_FOREACH(l2, &p->p_lwps, l_sibling) { 1694 if (buflen >= elem_size && elem_count > 0) { 1695 lwp_lock(l2); 1696 fill_lwp(l2, &klwp); 1697 lwp_unlock(l2); 1698 1699 /* 1700 * Copy out elem_size, but not larger than 1701 * the size of a struct kinfo_proc2. 1702 * 1703 * XXX We should not be holding p_smutex, but 1704 * for now, the buffer is wired. Fix later. 1705 */ 1706 error = dcopyout(l, &klwp, dp, 1707 min(sizeof(klwp), elem_size)); 1708 if (error) 1709 goto cleanup; 1710 dp += elem_size; 1711 buflen -= elem_size; 1712 elem_count--; 1713 } 1714 needed += elem_size; 1715 } 1716 mutex_exit(&p->p_smutex); 1717 } 1718 mutex_exit(&proclist_lock); 1719 1720 if (where != NULL) { 1721 *oldlenp = dp - where; 1722 if (needed > *oldlenp) 1723 return (ENOMEM); 1724 } else { 1725 needed += KERN_LWPSLOP; 1726 *oldlenp = needed; 1727 } 1728 return (0); 1729 cleanup: 1730 return (error); 1731 } 1732 1733 /* 1734 * sysctl helper routine for kern.forkfsleep node. ensures that the 1735 * given value is not too large or two small, and is at least one 1736 * timer tick if not zero. 1737 */ 1738 static int 1739 sysctl_kern_forkfsleep(SYSCTLFN_ARGS) 1740 { 1741 /* userland sees value in ms, internally is in ticks */ 1742 extern int forkfsleep; /* defined in kern/kern_fork.c */ 1743 int error, timo, lsleep; 1744 struct sysctlnode node; 1745 1746 lsleep = forkfsleep * 1000 / hz; 1747 node = *rnode; 1748 node.sysctl_data = &lsleep; 1749 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1750 if (error || newp == NULL) 1751 return (error); 1752 1753 /* refuse negative values, and overly 'long time' */ 1754 if (lsleep < 0 || lsleep > MAXSLP * 1000) 1755 return (EINVAL); 1756 1757 timo = mstohz(lsleep); 1758 1759 /* if the interval is >0 ms && <1 tick, use 1 tick */ 1760 if (lsleep != 0 && timo == 0) 1761 forkfsleep = 1; 1762 else 1763 forkfsleep = timo; 1764 1765 return (0); 1766 } 1767 1768 /* 1769 * sysctl helper routine for kern.root_partition 1770 */ 1771 static int 1772 sysctl_kern_root_partition(SYSCTLFN_ARGS) 1773 { 1774 int rootpart = DISKPART(rootdev); 1775 struct sysctlnode node = *rnode; 1776 1777 node.sysctl_data = &rootpart; 1778 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1779 } 1780 1781 /* 1782 * sysctl helper function for kern.drivers 1783 */ 1784 static int 1785 sysctl_kern_drivers(SYSCTLFN_ARGS) 1786 { 1787 int error; 1788 size_t buflen; 1789 struct kinfo_drivers kd; 1790 char *start, *where; 1791 const char *dname; 1792 int i; 1793 extern struct devsw_conv *devsw_conv; 1794 extern int max_devsw_convs; 1795 1796 if (newp != NULL || namelen != 0) 1797 return (EINVAL); 1798 1799 start = where = oldp; 1800 buflen = *oldlenp; 1801 if (where == NULL) { 1802 *oldlenp = max_devsw_convs * sizeof kd; 1803 return 0; 1804 } 1805 1806 /* 1807 * An array of kinfo_drivers structures 1808 */ 1809 error = 0; 1810 for (i = 0; i < max_devsw_convs; i++) { 1811 dname = devsw_conv[i].d_name; 1812 if (dname == NULL) 1813 continue; 1814 if (buflen < sizeof kd) { 1815 error = ENOMEM; 1816 break; 1817 } 1818 memset(&kd, 0, sizeof(kd)); 1819 kd.d_bmajor = devsw_conv[i].d_bmajor; 1820 kd.d_cmajor = devsw_conv[i].d_cmajor; 1821 strlcpy(kd.d_name, dname, sizeof kd.d_name); 1822 error = dcopyout(l, &kd, where, sizeof kd); 1823 if (error != 0) 1824 break; 1825 buflen -= sizeof kd; 1826 where += sizeof kd; 1827 } 1828 *oldlenp = where - start; 1829 return error; 1830 } 1831 1832 /* 1833 * sysctl helper function for kern.file2 1834 */ 1835 static int 1836 sysctl_kern_file2(SYSCTLFN_ARGS) 1837 { 1838 struct proc *p; 1839 struct file *fp; 1840 struct filedesc *fd; 1841 struct kinfo_file kf; 1842 char *dp; 1843 u_int i, op; 1844 size_t len, needed, elem_size, out_size; 1845 int error, arg, elem_count; 1846 1847 if (namelen == 1 && name[0] == CTL_QUERY) 1848 return (sysctl_query(SYSCTLFN_CALL(rnode))); 1849 1850 if (namelen != 4) 1851 return (EINVAL); 1852 1853 error = 0; 1854 dp = oldp; 1855 len = (oldp != NULL) ? *oldlenp : 0; 1856 op = name[0]; 1857 arg = name[1]; 1858 elem_size = name[2]; 1859 elem_count = name[3]; 1860 out_size = MIN(sizeof(kf), elem_size); 1861 needed = 0; 1862 1863 if (elem_size < 1 || elem_count < 0) 1864 return (EINVAL); 1865 1866 switch (op) { 1867 case KERN_FILE_BYFILE: 1868 /* 1869 * doesn't use arg so it must be zero 1870 */ 1871 if (arg != 0) 1872 return (EINVAL); 1873 LIST_FOREACH(fp, &filehead, f_list) { 1874 if (kauth_authorize_generic(l->l_cred, 1875 KAUTH_GENERIC_CANSEE, fp->f_cred) != 0) 1876 continue; 1877 if (len >= elem_size && elem_count > 0) { 1878 fill_file(&kf, fp, NULL, 0); 1879 error = dcopyout(l, &kf, dp, out_size); 1880 if (error) 1881 break; 1882 dp += elem_size; 1883 len -= elem_size; 1884 } 1885 if (elem_count > 0) { 1886 needed += elem_size; 1887 if (elem_count != INT_MAX) 1888 elem_count--; 1889 } 1890 } 1891 break; 1892 case KERN_FILE_BYPID: 1893 if (arg < -1) 1894 /* -1 means all processes */ 1895 return (EINVAL); 1896 mutex_enter(&proclist_lock); 1897 PROCLIST_FOREACH(p, &allproc) { 1898 if (p->p_stat == SIDL) 1899 /* skip embryonic processes */ 1900 continue; 1901 if (kauth_authorize_process(l->l_cred, 1902 KAUTH_PROCESS_CANSEE, p, NULL, NULL, NULL) != 0) 1903 continue; 1904 if (arg > 0 && p->p_pid != arg) 1905 /* pick only the one we want */ 1906 /* XXX want 0 to mean "kernel files" */ 1907 continue; 1908 fd = p->p_fd; 1909 for (i = 0; i < fd->fd_nfiles; i++) { 1910 fp = fd->fd_ofiles[i]; 1911 if (fp == NULL || !FILE_IS_USABLE(fp)) 1912 continue; 1913 if (len >= elem_size && elem_count > 0) { 1914 fill_file(&kf, fd->fd_ofiles[i], 1915 p, i); 1916 error = dcopyout(l, &kf, dp, out_size); 1917 if (error) 1918 break; 1919 dp += elem_size; 1920 len -= elem_size; 1921 } 1922 if (elem_count > 0) { 1923 needed += elem_size; 1924 if (elem_count != INT_MAX) 1925 elem_count--; 1926 } 1927 } 1928 } 1929 mutex_exit(&proclist_lock); 1930 break; 1931 default: 1932 return (EINVAL); 1933 } 1934 1935 if (oldp == NULL) 1936 needed += KERN_FILESLOP * elem_size; 1937 *oldlenp = needed; 1938 1939 return (error); 1940 } 1941 1942 static void 1943 fill_file(struct kinfo_file *kp, const struct file *fp, struct proc *p, int i) 1944 { 1945 1946 memset(kp, 0, sizeof(*kp)); 1947 1948 kp->ki_fileaddr = PTRTOUINT64(fp); 1949 kp->ki_flag = fp->f_flag; 1950 kp->ki_iflags = fp->f_iflags; 1951 kp->ki_ftype = fp->f_type; 1952 kp->ki_count = fp->f_count; 1953 kp->ki_msgcount = fp->f_msgcount; 1954 kp->ki_usecount = fp->f_usecount; 1955 kp->ki_fucred = PTRTOUINT64(fp->f_cred); 1956 kp->ki_fuid = kauth_cred_geteuid(fp->f_cred); 1957 kp->ki_fgid = kauth_cred_getegid(fp->f_cred); 1958 kp->ki_fops = PTRTOUINT64(fp->f_ops); 1959 kp->ki_foffset = fp->f_offset; 1960 kp->ki_fdata = PTRTOUINT64(fp->f_data); 1961 1962 /* vnode information to glue this file to something */ 1963 if (fp->f_type == DTYPE_VNODE) { 1964 struct vnode *vp = (struct vnode *)fp->f_data; 1965 1966 kp->ki_vun = PTRTOUINT64(vp->v_un.vu_socket); 1967 kp->ki_vsize = vp->v_size; 1968 kp->ki_vtype = vp->v_type; 1969 kp->ki_vtag = vp->v_tag; 1970 kp->ki_vdata = PTRTOUINT64(vp->v_data); 1971 } 1972 1973 /* process information when retrieved via KERN_FILE_BYPID */ 1974 if (p) { 1975 kp->ki_pid = p->p_pid; 1976 kp->ki_fd = i; 1977 kp->ki_ofileflags = p->p_fd->fd_ofileflags[i]; 1978 } 1979 } 1980 1981 static int 1982 sysctl_doeproc(SYSCTLFN_ARGS) 1983 { 1984 struct eproc *eproc; 1985 struct kinfo_proc2 *kproc2; 1986 struct kinfo_proc *dp; 1987 struct proc *p; 1988 const struct proclist_desc *pd; 1989 char *where, *dp2; 1990 int type, op, arg; 1991 u_int elem_size, elem_count; 1992 size_t buflen, needed; 1993 int error; 1994 1995 if (namelen == 1 && name[0] == CTL_QUERY) 1996 return (sysctl_query(SYSCTLFN_CALL(rnode))); 1997 1998 dp = oldp; 1999 dp2 = where = oldp; 2000 buflen = where != NULL ? *oldlenp : 0; 2001 error = 0; 2002 needed = 0; 2003 type = rnode->sysctl_num; 2004 2005 if (type == KERN_PROC) { 2006 if (namelen != 2 && !(namelen == 1 && name[0] == KERN_PROC_ALL)) 2007 return (EINVAL); 2008 op = name[0]; 2009 if (op != KERN_PROC_ALL) 2010 arg = name[1]; 2011 else 2012 arg = 0; /* Quell compiler warning */ 2013 elem_size = elem_count = 0; /* Ditto */ 2014 } else { 2015 if (namelen != 4) 2016 return (EINVAL); 2017 op = name[0]; 2018 arg = name[1]; 2019 elem_size = name[2]; 2020 elem_count = name[3]; 2021 } 2022 2023 if (type == KERN_PROC) { 2024 eproc = malloc(sizeof(*eproc), M_TEMP, M_WAITOK); 2025 kproc2 = NULL; 2026 } else { 2027 eproc = NULL; 2028 kproc2 = malloc(sizeof(*kproc2), M_TEMP, M_WAITOK); 2029 } 2030 mutex_enter(&proclist_lock); 2031 2032 pd = proclists; 2033 again: 2034 PROCLIST_FOREACH(p, pd->pd_list) { 2035 /* 2036 * Skip embryonic processes. 2037 */ 2038 if (p->p_stat == SIDL) 2039 continue; 2040 2041 if (kauth_authorize_process(l->l_cred, 2042 KAUTH_PROCESS_CANSEE, p, NULL, NULL, NULL) != 0) 2043 continue; 2044 2045 /* 2046 * TODO - make more efficient (see notes below). 2047 * do by session. 2048 */ 2049 switch (op) { 2050 2051 case KERN_PROC_PID: 2052 /* could do this with just a lookup */ 2053 if (p->p_pid != (pid_t)arg) 2054 continue; 2055 break; 2056 2057 case KERN_PROC_PGRP: 2058 /* could do this by traversing pgrp */ 2059 if (p->p_pgrp->pg_id != (pid_t)arg) 2060 continue; 2061 break; 2062 2063 case KERN_PROC_SESSION: 2064 if (p->p_session->s_sid != (pid_t)arg) 2065 continue; 2066 break; 2067 2068 case KERN_PROC_TTY: 2069 if (arg == (int) KERN_PROC_TTY_REVOKE) { 2070 if ((p->p_lflag & PL_CONTROLT) == 0 || 2071 p->p_session->s_ttyp == NULL || 2072 p->p_session->s_ttyvp != NULL) 2073 continue; 2074 } else if ((p->p_lflag & PL_CONTROLT) == 0 || 2075 p->p_session->s_ttyp == NULL) { 2076 if ((dev_t)arg != KERN_PROC_TTY_NODEV) 2077 continue; 2078 } else if (p->p_session->s_ttyp->t_dev != (dev_t)arg) 2079 continue; 2080 break; 2081 2082 case KERN_PROC_UID: 2083 if (kauth_cred_geteuid(p->p_cred) != (uid_t)arg) 2084 continue; 2085 break; 2086 2087 case KERN_PROC_RUID: 2088 if (kauth_cred_getuid(p->p_cred) != (uid_t)arg) 2089 continue; 2090 break; 2091 2092 case KERN_PROC_GID: 2093 if (kauth_cred_getegid(p->p_cred) != (uid_t)arg) 2094 continue; 2095 break; 2096 2097 case KERN_PROC_RGID: 2098 if (kauth_cred_getgid(p->p_cred) != (uid_t)arg) 2099 continue; 2100 break; 2101 2102 case KERN_PROC_ALL: 2103 /* allow everything */ 2104 break; 2105 2106 default: 2107 error = EINVAL; 2108 goto cleanup; 2109 } 2110 if (type == KERN_PROC) { 2111 if (buflen >= sizeof(struct kinfo_proc)) { 2112 fill_eproc(p, eproc); 2113 error = dcopyout(l, p, &dp->kp_proc, 2114 sizeof(struct proc)); 2115 if (error) 2116 goto cleanup; 2117 error = dcopyout(l, eproc, &dp->kp_eproc, 2118 sizeof(*eproc)); 2119 if (error) 2120 goto cleanup; 2121 dp++; 2122 buflen -= sizeof(struct kinfo_proc); 2123 } 2124 needed += sizeof(struct kinfo_proc); 2125 } else { /* KERN_PROC2 */ 2126 if (buflen >= elem_size && elem_count > 0) { 2127 fill_kproc2(p, kproc2); 2128 /* 2129 * Copy out elem_size, but not larger than 2130 * the size of a struct kinfo_proc2. 2131 */ 2132 error = dcopyout(l, kproc2, dp2, 2133 min(sizeof(*kproc2), elem_size)); 2134 if (error) 2135 goto cleanup; 2136 dp2 += elem_size; 2137 buflen -= elem_size; 2138 elem_count--; 2139 } 2140 needed += elem_size; 2141 } 2142 } 2143 pd++; 2144 if (pd->pd_list != NULL) 2145 goto again; 2146 mutex_exit(&proclist_lock); 2147 2148 if (where != NULL) { 2149 if (type == KERN_PROC) 2150 *oldlenp = (char *)dp - where; 2151 else 2152 *oldlenp = dp2 - where; 2153 if (needed > *oldlenp) { 2154 error = ENOMEM; 2155 goto out; 2156 } 2157 } else { 2158 needed += KERN_PROCSLOP; 2159 *oldlenp = needed; 2160 } 2161 if (kproc2) 2162 free(kproc2, M_TEMP); 2163 if (eproc) 2164 free(eproc, M_TEMP); 2165 return 0; 2166 cleanup: 2167 mutex_exit(&proclist_lock); 2168 out: 2169 if (kproc2) 2170 free(kproc2, M_TEMP); 2171 if (eproc) 2172 free(eproc, M_TEMP); 2173 return error; 2174 } 2175 2176 /* 2177 * sysctl helper routine for kern.proc_args pseudo-subtree. 2178 */ 2179 static int 2180 sysctl_kern_proc_args(SYSCTLFN_ARGS) 2181 { 2182 struct ps_strings pss; 2183 struct proc *p; 2184 size_t len, i; 2185 struct uio auio; 2186 struct iovec aiov; 2187 pid_t pid; 2188 int nargv, type, error; 2189 char *arg; 2190 char **argv = NULL; 2191 char *tmp; 2192 struct vmspace *vmspace; 2193 vaddr_t psstr_addr; 2194 vaddr_t offsetn; 2195 vaddr_t offsetv; 2196 2197 if (namelen == 1 && name[0] == CTL_QUERY) 2198 return (sysctl_query(SYSCTLFN_CALL(rnode))); 2199 2200 if (newp != NULL || namelen != 2) 2201 return (EINVAL); 2202 pid = name[0]; 2203 type = name[1]; 2204 2205 switch (type) { 2206 case KERN_PROC_ARGV: 2207 case KERN_PROC_NARGV: 2208 case KERN_PROC_ENV: 2209 case KERN_PROC_NENV: 2210 /* ok */ 2211 break; 2212 default: 2213 return (EINVAL); 2214 } 2215 2216 mutex_enter(&proclist_lock); 2217 2218 /* check pid */ 2219 if ((p = p_find(pid, PFIND_LOCKED)) == NULL) { 2220 error = EINVAL; 2221 goto out_locked; 2222 } 2223 2224 error = kauth_authorize_process(l->l_cred, 2225 KAUTH_PROCESS_CANSEE, p, NULL, NULL, NULL); 2226 if (error) { 2227 goto out_locked; 2228 } 2229 2230 /* only root or same user change look at the environment */ 2231 if (type == KERN_PROC_ENV || type == KERN_PROC_NENV) { 2232 if (kauth_authorize_generic(l->l_cred, KAUTH_GENERIC_ISSUSER, 2233 NULL) != 0) { 2234 if (kauth_cred_getuid(l->l_cred) != 2235 kauth_cred_getuid(p->p_cred) || 2236 kauth_cred_getuid(l->l_cred) != 2237 kauth_cred_getsvuid(p->p_cred)) { 2238 error = EPERM; 2239 goto out_locked; 2240 } 2241 } 2242 } 2243 2244 if (oldp == NULL) { 2245 if (type == KERN_PROC_NARGV || type == KERN_PROC_NENV) 2246 *oldlenp = sizeof (int); 2247 else 2248 *oldlenp = ARG_MAX; /* XXX XXX XXX */ 2249 error = 0; 2250 goto out_locked; 2251 } 2252 2253 /* 2254 * Zombies don't have a stack, so we can't read their psstrings. 2255 * System processes also don't have a user stack. 2256 */ 2257 if (P_ZOMBIE(p) || (p->p_flag & PK_SYSTEM) != 0) { 2258 error = EINVAL; 2259 goto out_locked; 2260 } 2261 2262 /* 2263 * Lock the process down in memory. 2264 */ 2265 /* XXXCDC: how should locking work here? */ 2266 if ((l->l_flag & LW_WEXIT) || (p->p_vmspace->vm_refcnt < 1)) { 2267 error = EFAULT; 2268 goto out_locked; 2269 } 2270 2271 psstr_addr = (vaddr_t)p->p_psstr; 2272 if (type == KERN_PROC_ARGV || type == KERN_PROC_NARGV) { 2273 offsetn = p->p_psnargv; 2274 offsetv = p->p_psargv; 2275 } else { 2276 offsetn = p->p_psnenv; 2277 offsetv = p->p_psenv; 2278 } 2279 vmspace = p->p_vmspace; 2280 vmspace->vm_refcnt++; /* XXX */ 2281 2282 mutex_exit(&proclist_lock); 2283 2284 /* 2285 * Allocate a temporary buffer to hold the arguments. 2286 */ 2287 arg = malloc(PAGE_SIZE, M_TEMP, M_WAITOK); 2288 2289 /* 2290 * Read in the ps_strings structure. 2291 */ 2292 aiov.iov_base = &pss; 2293 aiov.iov_len = sizeof(pss); 2294 auio.uio_iov = &aiov; 2295 auio.uio_iovcnt = 1; 2296 auio.uio_offset = psstr_addr; 2297 auio.uio_resid = sizeof(pss); 2298 auio.uio_rw = UIO_READ; 2299 UIO_SETUP_SYSSPACE(&auio); 2300 error = uvm_io(&vmspace->vm_map, &auio); 2301 if (error) 2302 goto done; 2303 2304 memcpy(&nargv, (char *)&pss + offsetn, sizeof(nargv)); 2305 if (type == KERN_PROC_NARGV || type == KERN_PROC_NENV) { 2306 error = dcopyout(l, &nargv, oldp, sizeof(nargv)); 2307 *oldlenp = sizeof(nargv); 2308 goto done; 2309 } 2310 /* 2311 * Now read the address of the argument vector. 2312 */ 2313 switch (type) { 2314 case KERN_PROC_ARGV: 2315 /* FALLTHROUGH */ 2316 case KERN_PROC_ENV: 2317 memcpy(&tmp, (char *)&pss + offsetv, sizeof(tmp)); 2318 break; 2319 default: 2320 return (EINVAL); 2321 } 2322 2323 #ifdef COMPAT_NETBSD32 2324 if (p->p_flag & PK_32) 2325 len = sizeof(netbsd32_charp) * nargv; 2326 else 2327 #endif 2328 len = sizeof(char *) * nargv; 2329 2330 argv = malloc(len, M_TEMP, M_WAITOK); 2331 2332 aiov.iov_base = argv; 2333 aiov.iov_len = len; 2334 auio.uio_iov = &aiov; 2335 auio.uio_iovcnt = 1; 2336 auio.uio_offset = (off_t)(unsigned long)tmp; 2337 auio.uio_resid = len; 2338 auio.uio_rw = UIO_READ; 2339 UIO_SETUP_SYSSPACE(&auio); 2340 error = uvm_io(&vmspace->vm_map, &auio); 2341 if (error) 2342 goto done; 2343 2344 /* 2345 * Now copy each string. 2346 */ 2347 len = 0; /* bytes written to user buffer */ 2348 for (i = 0; i < nargv; i++) { 2349 int finished = 0; 2350 vaddr_t base; 2351 size_t xlen; 2352 int j; 2353 2354 #ifdef COMPAT_NETBSD32 2355 if (p->p_flag & PK_32) { 2356 netbsd32_charp *argv32; 2357 2358 argv32 = (netbsd32_charp *)argv; 2359 2360 base = (vaddr_t)NETBSD32PTR64(argv32[i]); 2361 } else 2362 #endif 2363 base = (vaddr_t)argv[i]; 2364 2365 while (!finished) { 2366 xlen = PAGE_SIZE - (base & PAGE_MASK); 2367 2368 aiov.iov_base = arg; 2369 aiov.iov_len = PAGE_SIZE; 2370 auio.uio_iov = &aiov; 2371 auio.uio_iovcnt = 1; 2372 auio.uio_offset = base; 2373 auio.uio_resid = xlen; 2374 auio.uio_rw = UIO_READ; 2375 UIO_SETUP_SYSSPACE(&auio); 2376 error = uvm_io(&vmspace->vm_map, &auio); 2377 if (error) 2378 goto done; 2379 2380 /* Look for the end of the string */ 2381 for (j = 0; j < xlen; j++) { 2382 if (arg[j] == '\0') { 2383 xlen = j + 1; 2384 finished = 1; 2385 break; 2386 } 2387 } 2388 2389 /* Check for user buffer overflow */ 2390 if (len + xlen > *oldlenp) { 2391 finished = 1; 2392 if (len > *oldlenp) 2393 xlen = 0; 2394 else 2395 xlen = *oldlenp - len; 2396 } 2397 2398 /* Copyout the page */ 2399 error = dcopyout(l, arg, (char *)oldp + len, xlen); 2400 if (error) 2401 goto done; 2402 2403 len += xlen; 2404 base += xlen; 2405 } 2406 } 2407 *oldlenp = len; 2408 2409 done: 2410 if (argv != NULL) 2411 free(argv, M_TEMP); 2412 2413 uvmspace_free(vmspace); 2414 2415 free(arg, M_TEMP); 2416 return error; 2417 2418 out_locked: 2419 mutex_exit(&proclist_lock); 2420 return error; 2421 } 2422 2423 static int 2424 sysctl_security_setidcore(SYSCTLFN_ARGS) 2425 { 2426 int newsize, error; 2427 struct sysctlnode node; 2428 2429 node = *rnode; 2430 node.sysctl_data = &newsize; 2431 newsize = *(int *)rnode->sysctl_data; 2432 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 2433 if (error || newp == NULL) 2434 return error; 2435 2436 if (kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_SETIDCORE, 2437 0, NULL, NULL, NULL)) 2438 return (EPERM); 2439 2440 *(int *)rnode->sysctl_data = newsize; 2441 2442 return 0; 2443 } 2444 2445 static int 2446 sysctl_security_setidcorename(SYSCTLFN_ARGS) 2447 { 2448 int error; 2449 char *newsetidcorename; 2450 struct sysctlnode node; 2451 2452 newsetidcorename = PNBUF_GET(); 2453 node = *rnode; 2454 node.sysctl_data = newsetidcorename; 2455 memcpy(node.sysctl_data, rnode->sysctl_data, MAXPATHLEN); 2456 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 2457 if (error || newp == NULL) { 2458 goto out; 2459 } 2460 if (kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_SETIDCORE, 2461 0, NULL, NULL, NULL)) { 2462 error = EPERM; 2463 goto out; 2464 } 2465 if (strlen(newsetidcorename) == 0) { 2466 error = EINVAL; 2467 goto out; 2468 } 2469 memcpy(rnode->sysctl_data, node.sysctl_data, MAXPATHLEN); 2470 out: 2471 PNBUF_PUT(newsetidcorename); 2472 return error; 2473 } 2474 2475 /* 2476 * sysctl helper routine for kern.cp_id node. maps cpus to their 2477 * cpuids. 2478 */ 2479 static int 2480 sysctl_kern_cpid(SYSCTLFN_ARGS) 2481 { 2482 struct sysctlnode node = *rnode; 2483 2484 #ifndef MULTIPROCESSOR 2485 uint64_t id; 2486 2487 if (namelen == 1) { 2488 if (name[0] != 0) 2489 return (ENOENT); 2490 /* 2491 * you're allowed to ask for the zero'th processor 2492 */ 2493 name++; 2494 namelen--; 2495 } 2496 node.sysctl_data = &id; 2497 node.sysctl_size = sizeof(id); 2498 id = cpu_number(); 2499 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2500 2501 #else /* MULTIPROCESSOR */ 2502 uint64_t *cp_id = NULL; 2503 int error, n = ncpu; 2504 struct cpu_info *ci; 2505 CPU_INFO_ITERATOR cii; 2506 2507 /* 2508 * here you may either retrieve a single cpu id or the whole 2509 * set. the size you get back when probing depends on what 2510 * you ask for. 2511 */ 2512 switch (namelen) { 2513 case 0: 2514 node.sysctl_size = n * sizeof(uint64_t); 2515 n = -2; /* ALL */ 2516 break; 2517 case 1: 2518 if (name[0] < 0 || name[0] >= n) 2519 return (ENOENT); /* ENOSUCHPROCESSOR */ 2520 node.sysctl_size = sizeof(uint64_t); 2521 n = name[0]; 2522 /* 2523 * adjust these so that sysctl_lookup() will be happy 2524 */ 2525 name++; 2526 namelen--; 2527 break; 2528 default: 2529 return (EINVAL); 2530 } 2531 2532 cp_id = malloc(node.sysctl_size, M_TEMP, M_WAITOK|M_CANFAIL); 2533 if (cp_id == NULL) 2534 return (ENOMEM); 2535 node.sysctl_data = cp_id; 2536 memset(cp_id, 0, node.sysctl_size); 2537 2538 for (CPU_INFO_FOREACH(cii, ci)) { 2539 if (n <= 0) 2540 cp_id[0] = ci->ci_cpuid; 2541 /* 2542 * if a specific processor was requested and we just 2543 * did it, we're done here 2544 */ 2545 if (n == 0) 2546 break; 2547 /* 2548 * if doing "all", skip to next cp_id slot for next processor 2549 */ 2550 if (n == -2) 2551 cp_id++; 2552 /* 2553 * if we're doing a specific processor, we're one 2554 * processor closer 2555 */ 2556 if (n > 0) 2557 n--; 2558 } 2559 2560 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 2561 free(node.sysctl_data, M_TEMP); 2562 return (error); 2563 2564 #endif /* MULTIPROCESSOR */ 2565 } 2566 2567 /* 2568 * sysctl helper routine for hw.usermem and hw.usermem64. values are 2569 * calculate on the fly taking into account integer overflow and the 2570 * current wired count. 2571 */ 2572 static int 2573 sysctl_hw_usermem(SYSCTLFN_ARGS) 2574 { 2575 u_int ui; 2576 u_quad_t uq; 2577 struct sysctlnode node; 2578 2579 node = *rnode; 2580 switch (rnode->sysctl_num) { 2581 case HW_USERMEM: 2582 if ((ui = physmem - uvmexp.wired) > (UINT_MAX / PAGE_SIZE)) 2583 ui = UINT_MAX; 2584 else 2585 ui *= PAGE_SIZE; 2586 node.sysctl_data = &ui; 2587 break; 2588 case HW_USERMEM64: 2589 uq = (u_quad_t)(physmem - uvmexp.wired) * PAGE_SIZE; 2590 node.sysctl_data = &uq; 2591 break; 2592 default: 2593 return (EINVAL); 2594 } 2595 2596 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2597 } 2598 2599 /* 2600 * sysctl helper routine for kern.cnmagic node. pulls the old value 2601 * out, encoded, and stuffs the new value in for decoding. 2602 */ 2603 static int 2604 sysctl_hw_cnmagic(SYSCTLFN_ARGS) 2605 { 2606 char magic[CNS_LEN]; 2607 int error; 2608 struct sysctlnode node; 2609 2610 if (oldp) 2611 cn_get_magic(magic, CNS_LEN); 2612 node = *rnode; 2613 node.sysctl_data = &magic[0]; 2614 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 2615 if (error || newp == NULL) 2616 return (error); 2617 2618 return (cn_set_magic(magic)); 2619 } 2620 2621 static int 2622 sysctl_hw_ncpu(SYSCTLFN_ARGS) 2623 { 2624 struct sysctlnode node; 2625 2626 node = *rnode; 2627 node.sysctl_data = &ncpu; 2628 2629 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2630 } 2631 2632 2633 /* 2634 * ******************************************************************** 2635 * section 3: public helper routines that are used for more than one 2636 * node 2637 * ******************************************************************** 2638 */ 2639 2640 /* 2641 * sysctl helper routine for the kern.root_device node and some ports' 2642 * machdep.root_device nodes. 2643 */ 2644 int 2645 sysctl_root_device(SYSCTLFN_ARGS) 2646 { 2647 struct sysctlnode node; 2648 2649 node = *rnode; 2650 node.sysctl_data = root_device->dv_xname; 2651 node.sysctl_size = strlen(root_device->dv_xname) + 1; 2652 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2653 } 2654 2655 /* 2656 * sysctl helper routine for kern.consdev, dependent on the current 2657 * state of the console. also used for machdep.console_device on some 2658 * ports. 2659 */ 2660 int 2661 sysctl_consdev(SYSCTLFN_ARGS) 2662 { 2663 dev_t consdev; 2664 struct sysctlnode node; 2665 2666 if (cn_tab != NULL) 2667 consdev = cn_tab->cn_dev; 2668 else 2669 consdev = NODEV; 2670 node = *rnode; 2671 node.sysctl_data = &consdev; 2672 node.sysctl_size = sizeof(consdev); 2673 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2674 } 2675 2676 /* 2677 * ******************************************************************** 2678 * section 4: support for some helpers 2679 * ******************************************************************** 2680 */ 2681 2682 /* 2683 * Fill in a kinfo_proc2 structure for the specified process. 2684 */ 2685 static void 2686 fill_kproc2(struct proc *p, struct kinfo_proc2 *ki) 2687 { 2688 struct tty *tp; 2689 struct lwp *l, *l2; 2690 struct timeval ut, st, rt; 2691 sigset_t ss1, ss2; 2692 2693 memset(ki, 0, sizeof(*ki)); 2694 2695 ki->p_paddr = PTRTOUINT64(p); 2696 ki->p_fd = PTRTOUINT64(p->p_fd); 2697 ki->p_cwdi = PTRTOUINT64(p->p_cwdi); 2698 ki->p_stats = PTRTOUINT64(p->p_stats); 2699 ki->p_limit = PTRTOUINT64(p->p_limit); 2700 ki->p_vmspace = PTRTOUINT64(p->p_vmspace); 2701 ki->p_sigacts = PTRTOUINT64(p->p_sigacts); 2702 ki->p_sess = PTRTOUINT64(p->p_session); 2703 ki->p_tsess = 0; /* may be changed if controlling tty below */ 2704 ki->p_ru = PTRTOUINT64(&p->p_stats->p_ru); 2705 2706 ki->p_eflag = 0; 2707 ki->p_exitsig = p->p_exitsig; 2708 2709 ki->p_flag = sysctl_map_flags(sysctl_flagmap, p->p_flag); 2710 ki->p_flag |= sysctl_map_flags(sysctl_sflagmap, p->p_sflag); 2711 ki->p_flag |= sysctl_map_flags(sysctl_slflagmap, p->p_slflag); 2712 ki->p_flag |= sysctl_map_flags(sysctl_lflagmap, p->p_lflag); 2713 ki->p_flag |= sysctl_map_flags(sysctl_stflagmap, p->p_stflag); 2714 2715 ki->p_pid = p->p_pid; 2716 if (p->p_pptr) 2717 ki->p_ppid = p->p_pptr->p_pid; 2718 else 2719 ki->p_ppid = 0; 2720 ki->p_sid = p->p_session->s_sid; 2721 ki->p__pgid = p->p_pgrp->pg_id; 2722 2723 ki->p_tpgid = NO_PGID; /* may be changed if controlling tty below */ 2724 2725 ki->p_uid = kauth_cred_geteuid(p->p_cred); 2726 ki->p_ruid = kauth_cred_getuid(p->p_cred); 2727 ki->p_gid = kauth_cred_getegid(p->p_cred); 2728 ki->p_rgid = kauth_cred_getgid(p->p_cred); 2729 ki->p_svuid = kauth_cred_getsvuid(p->p_cred); 2730 ki->p_svgid = kauth_cred_getsvgid(p->p_cred); 2731 2732 ki->p_ngroups = kauth_cred_ngroups(p->p_cred); 2733 kauth_cred_getgroups(p->p_cred, ki->p_groups, 2734 min(ki->p_ngroups, sizeof(ki->p_groups) / sizeof(ki->p_groups[0]))); 2735 2736 ki->p_jobc = p->p_pgrp->pg_jobc; 2737 if ((p->p_lflag & PL_CONTROLT) && (tp = p->p_session->s_ttyp)) { 2738 ki->p_tdev = tp->t_dev; 2739 ki->p_tpgid = tp->t_pgrp ? tp->t_pgrp->pg_id : NO_PGID; 2740 ki->p_tsess = PTRTOUINT64(tp->t_session); 2741 } else { 2742 ki->p_tdev = NODEV; 2743 } 2744 2745 ki->p_estcpu = p->p_estcpu; 2746 2747 mutex_enter(&p->p_smutex); 2748 2749 ki->p_uticks = p->p_uticks; 2750 ki->p_sticks = p->p_sticks; 2751 ki->p_iticks = p->p_iticks; 2752 2753 ki->p_tracep = PTRTOUINT64(p->p_tracep); 2754 ki->p_traceflag = p->p_traceflag; 2755 2756 memcpy(&ki->p_sigignore, &p->p_sigctx.ps_sigignore,sizeof(ki_sigset_t)); 2757 memcpy(&ki->p_sigcatch, &p->p_sigctx.ps_sigcatch, sizeof(ki_sigset_t)); 2758 2759 ki->p_cpticks = 0; 2760 ki->p_pctcpu = p->p_pctcpu; 2761 ss1 = p->p_sigpend.sp_set; 2762 LIST_FOREACH(l, &p->p_lwps, l_sibling) { 2763 /* This is hardly correct, but... */ 2764 sigplusset(&l->l_sigpend.sp_set, &ss1); 2765 sigplusset(&l->l_sigmask, &ss2); 2766 ki->p_cpticks += l->l_cpticks; 2767 ki->p_pctcpu += l->l_pctcpu; 2768 } 2769 memcpy(&ki->p_siglist, &ss1, sizeof(ki_sigset_t)); 2770 memcpy(&ki->p_sigmask, &ss2, sizeof(ki_sigset_t)); 2771 2772 ki->p_stat = p->p_stat; /* Will likely be overridden by LWP status */ 2773 ki->p_realstat = p->p_stat; 2774 ki->p_nice = p->p_nice; 2775 2776 ki->p_xstat = p->p_xstat; 2777 ki->p_acflag = p->p_acflag; 2778 2779 strncpy(ki->p_comm, p->p_comm, 2780 min(sizeof(ki->p_comm), sizeof(p->p_comm))); 2781 2782 strncpy(ki->p_login, p->p_session->s_login, 2783 min(sizeof ki->p_login - 1, sizeof p->p_session->s_login)); 2784 2785 ki->p_nlwps = p->p_nlwps; 2786 ki->p_realflag = ki->p_flag; 2787 2788 if (p->p_stat == SIDL || P_ZOMBIE(p)) { 2789 ki->p_vm_rssize = 0; 2790 ki->p_vm_tsize = 0; 2791 ki->p_vm_dsize = 0; 2792 ki->p_vm_ssize = 0; 2793 ki->p_nrlwps = 0; 2794 l = NULL; 2795 } else { 2796 struct vmspace *vm = p->p_vmspace; 2797 int tmp; 2798 2799 ki->p_vm_rssize = vm_resident_count(vm); 2800 ki->p_vm_tsize = vm->vm_tsize; 2801 ki->p_vm_dsize = vm->vm_dsize; 2802 ki->p_vm_ssize = vm->vm_ssize; 2803 2804 /* Pick a "representative" LWP */ 2805 l = proc_representative_lwp(p, &tmp, 1); 2806 lwp_lock(l); 2807 ki->p_nrlwps = tmp; 2808 ki->p_forw = 0; 2809 ki->p_back = 0; 2810 ki->p_addr = PTRTOUINT64(l->l_addr); 2811 ki->p_stat = l->l_stat; 2812 ki->p_flag |= sysctl_map_flags(sysctl_lwpflagmap, l->l_flag); 2813 ki->p_swtime = l->l_swtime; 2814 ki->p_slptime = l->l_slptime; 2815 if (l->l_stat == LSONPROC) 2816 ki->p_schedflags = l->l_cpu->ci_schedstate.spc_flags; 2817 else 2818 ki->p_schedflags = 0; 2819 ki->p_holdcnt = l->l_holdcnt; 2820 ki->p_priority = l->l_priority; 2821 ki->p_usrpri = l->l_usrpri; 2822 if (l->l_wmesg) 2823 strncpy(ki->p_wmesg, l->l_wmesg, sizeof(ki->p_wmesg)); 2824 ki->p_wchan = PTRTOUINT64(l->l_wchan); 2825 lwp_unlock(l); 2826 } 2827 if (p->p_session->s_ttyvp) 2828 ki->p_eflag |= EPROC_CTTY; 2829 if (SESS_LEADER(p)) 2830 ki->p_eflag |= EPROC_SLEADER; 2831 2832 /* XXX Is this double check necessary? */ 2833 if (P_ZOMBIE(p)) { 2834 ki->p_uvalid = 0; 2835 ki->p_rtime_sec = 0; 2836 ki->p_rtime_usec = 0; 2837 } else { 2838 ki->p_uvalid = 1; 2839 2840 ki->p_ustart_sec = p->p_stats->p_start.tv_sec; 2841 ki->p_ustart_usec = p->p_stats->p_start.tv_usec; 2842 2843 calcru(p, &ut, &st, NULL, &rt); 2844 ki->p_rtime_sec = rt.tv_sec; 2845 ki->p_rtime_usec = rt.tv_usec; 2846 ki->p_uutime_sec = ut.tv_sec; 2847 ki->p_uutime_usec = ut.tv_usec; 2848 ki->p_ustime_sec = st.tv_sec; 2849 ki->p_ustime_usec = st.tv_usec; 2850 2851 ki->p_uru_maxrss = p->p_stats->p_ru.ru_maxrss; 2852 ki->p_uru_ixrss = p->p_stats->p_ru.ru_ixrss; 2853 ki->p_uru_idrss = p->p_stats->p_ru.ru_idrss; 2854 ki->p_uru_isrss = p->p_stats->p_ru.ru_isrss; 2855 ki->p_uru_minflt = p->p_stats->p_ru.ru_minflt; 2856 ki->p_uru_majflt = p->p_stats->p_ru.ru_majflt; 2857 ki->p_uru_nswap = p->p_stats->p_ru.ru_nswap; 2858 ki->p_uru_inblock = p->p_stats->p_ru.ru_inblock; 2859 ki->p_uru_oublock = p->p_stats->p_ru.ru_oublock; 2860 ki->p_uru_msgsnd = p->p_stats->p_ru.ru_msgsnd; 2861 ki->p_uru_msgrcv = p->p_stats->p_ru.ru_msgrcv; 2862 ki->p_uru_nsignals = p->p_stats->p_ru.ru_nsignals; 2863 2864 ki->p_uru_nvcsw = 0; 2865 ki->p_uru_nivcsw = 0; 2866 LIST_FOREACH(l2, &p->p_lwps, l_sibling) { 2867 ki->p_uru_nvcsw += (l->l_ncsw - l->l_nivcsw); 2868 ki->p_uru_nivcsw += l->l_nivcsw; 2869 } 2870 2871 timeradd(&p->p_stats->p_cru.ru_utime, 2872 &p->p_stats->p_cru.ru_stime, &ut); 2873 ki->p_uctime_sec = ut.tv_sec; 2874 ki->p_uctime_usec = ut.tv_usec; 2875 } 2876 #ifdef MULTIPROCESSOR 2877 if (l != NULL) 2878 ki->p_cpuid = l->l_cpu->ci_cpuid; 2879 else 2880 #endif 2881 ki->p_cpuid = KI_NOCPU; 2882 2883 mutex_exit(&p->p_smutex); 2884 } 2885 2886 /* 2887 * Fill in a kinfo_lwp structure for the specified lwp. 2888 */ 2889 static void 2890 fill_lwp(struct lwp *l, struct kinfo_lwp *kl) 2891 { 2892 struct proc *p = l->l_proc; 2893 2894 kl->l_forw = 0; 2895 kl->l_back = 0; 2896 kl->l_laddr = PTRTOUINT64(l); 2897 kl->l_addr = PTRTOUINT64(l->l_addr); 2898 kl->l_stat = l->l_stat; 2899 kl->l_lid = l->l_lid; 2900 kl->l_flag = sysctl_map_flags(sysctl_lwpprflagmap, l->l_prflag); 2901 2902 kl->l_swtime = l->l_swtime; 2903 kl->l_slptime = l->l_slptime; 2904 if (l->l_stat == LSONPROC) 2905 kl->l_schedflags = l->l_cpu->ci_schedstate.spc_flags; 2906 else 2907 kl->l_schedflags = 0; 2908 kl->l_holdcnt = l->l_holdcnt; 2909 kl->l_priority = l->l_priority; 2910 kl->l_usrpri = l->l_usrpri; 2911 if (l->l_wmesg) 2912 strncpy(kl->l_wmesg, l->l_wmesg, sizeof(kl->l_wmesg)); 2913 kl->l_wchan = PTRTOUINT64(l->l_wchan); 2914 #ifdef MULTIPROCESSOR 2915 kl->l_cpuid = l->l_cpu->ci_cpuid; 2916 #else 2917 kl->l_cpuid = KI_NOCPU; 2918 #endif 2919 kl->l_rtime_sec = l->l_rtime.tv_sec; 2920 kl->l_rtime_usec = l->l_rtime.tv_usec; 2921 kl->l_cpticks = l->l_cpticks; 2922 kl->l_pctcpu = l->l_pctcpu; 2923 kl->l_pid = p->p_pid; 2924 if (l->l_name == NULL) 2925 kl->l_name[0] = '\0'; 2926 else 2927 strlcpy(kl->l_name, l->l_name, sizeof(kl->l_name)); 2928 } 2929 2930 /* 2931 * Fill in an eproc structure for the specified process. 2932 */ 2933 void 2934 fill_eproc(struct proc *p, struct eproc *ep) 2935 { 2936 struct tty *tp; 2937 struct lwp *l; 2938 2939 ep->e_paddr = p; 2940 ep->e_sess = p->p_session; 2941 kauth_cred_topcred(p->p_cred, &ep->e_pcred); 2942 kauth_cred_toucred(p->p_cred, &ep->e_ucred); 2943 if (p->p_stat == SIDL || P_ZOMBIE(p)) { 2944 ep->e_vm.vm_rssize = 0; 2945 ep->e_vm.vm_tsize = 0; 2946 ep->e_vm.vm_dsize = 0; 2947 ep->e_vm.vm_ssize = 0; 2948 /* ep->e_vm.vm_pmap = XXX; */ 2949 } else { 2950 struct vmspace *vm = p->p_vmspace; 2951 2952 ep->e_vm.vm_rssize = vm_resident_count(vm); 2953 ep->e_vm.vm_tsize = vm->vm_tsize; 2954 ep->e_vm.vm_dsize = vm->vm_dsize; 2955 ep->e_vm.vm_ssize = vm->vm_ssize; 2956 2957 /* Pick a "representative" LWP */ 2958 mutex_enter(&p->p_smutex); 2959 l = proc_representative_lwp(p, NULL, 1); 2960 lwp_lock(l); 2961 if (l->l_wmesg) 2962 strncpy(ep->e_wmesg, l->l_wmesg, WMESGLEN); 2963 lwp_unlock(l); 2964 mutex_exit(&p->p_smutex); 2965 } 2966 if (p->p_pptr) 2967 ep->e_ppid = p->p_pptr->p_pid; 2968 else 2969 ep->e_ppid = 0; 2970 ep->e_pgid = p->p_pgrp->pg_id; 2971 ep->e_sid = ep->e_sess->s_sid; 2972 ep->e_jobc = p->p_pgrp->pg_jobc; 2973 if ((p->p_lflag & PL_CONTROLT) && 2974 (tp = ep->e_sess->s_ttyp)) { 2975 ep->e_tdev = tp->t_dev; 2976 ep->e_tpgid = tp->t_pgrp ? tp->t_pgrp->pg_id : NO_PGID; 2977 ep->e_tsess = tp->t_session; 2978 } else 2979 ep->e_tdev = NODEV; 2980 2981 ep->e_xsize = ep->e_xrssize = 0; 2982 ep->e_xccount = ep->e_xswrss = 0; 2983 ep->e_flag = ep->e_sess->s_ttyvp ? EPROC_CTTY : 0; 2984 if (SESS_LEADER(p)) 2985 ep->e_flag |= EPROC_SLEADER; 2986 strncpy(ep->e_login, ep->e_sess->s_login, MAXLOGNAME); 2987 } 2988 2989 u_int 2990 sysctl_map_flags(const u_int *map, u_int word) 2991 { 2992 u_int rv; 2993 2994 for (rv = 0; *map != 0; map += 2) 2995 if ((word & map[0]) != 0) 2996 rv |= map[1]; 2997 2998 return rv; 2999 } 3000
Indexes created Wed Oct 01 15:09:59 GMT 2025