init_sysctl.c revision 1.102
1 /* $NetBSD: init_sysctl.c,v 1.102 2007/06/30 13:32:14 dsl 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 1.102 2007/06/30 13:32:14 dsl 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_SELECT, P_SELECT, 138 LW_SINTR, P_SINTR, 139 LW_SYSTEM, P_SYSTEM, 140 0 141 }; 142 143 static const u_int sysctl_lwpprflagmap[] = { 144 LPR_DETACHED, L_DETACHED, 145 0 146 }; 147 148 149 /* 150 * try over estimating by 5 procs/lwps 151 */ 152 #define KERN_PROCSLOP (5 * sizeof(struct kinfo_proc)) 153 #define KERN_LWPSLOP (5 * sizeof(struct kinfo_lwp)) 154 155 #ifdef KTRACE 156 int dcopyout(struct lwp *, const void *, void *, size_t); 157 158 int 159 dcopyout(l, kaddr, uaddr, len) 160 struct lwp *l; 161 const void *kaddr; 162 void *uaddr; 163 size_t len; 164 { 165 int error; 166 167 error = copyout(kaddr, uaddr, len); 168 if (!error && KTRPOINT(l->l_proc, KTR_MIB)) { 169 struct iovec iov; 170 171 iov.iov_base = uaddr; 172 iov.iov_len = len; 173 ktrgenio(l, -1, UIO_READ, &iov, len, 0); 174 } 175 return error; 176 } 177 #else /* !KTRACE */ 178 #define dcopyout(l, kaddr, uaddr, len) copyout(kaddr, uaddr, len) 179 #endif /* KTRACE */ 180 181 #ifndef CPU_INFO_FOREACH 182 #define CPU_INFO_ITERATOR int 183 #define CPU_INFO_FOREACH(cii, ci) cii = 0, ci = curcpu(); ci != NULL; ci = NULL 184 #endif 185 186 #ifdef DIAGNOSTIC 187 static int sysctl_kern_trigger_panic(SYSCTLFN_PROTO); 188 #endif 189 static int sysctl_kern_maxvnodes(SYSCTLFN_PROTO); 190 static int sysctl_kern_rtc_offset(SYSCTLFN_PROTO); 191 static int sysctl_kern_maxproc(SYSCTLFN_PROTO); 192 static int sysctl_kern_hostid(SYSCTLFN_PROTO); 193 static int sysctl_setlen(SYSCTLFN_PROTO); 194 static int sysctl_kern_clockrate(SYSCTLFN_PROTO); 195 static int sysctl_kern_file(SYSCTLFN_PROTO); 196 static int sysctl_msgbuf(SYSCTLFN_PROTO); 197 static int sysctl_kern_defcorename(SYSCTLFN_PROTO); 198 static int sysctl_kern_cptime(SYSCTLFN_PROTO); 199 #if NPTY > 0 200 static int sysctl_kern_maxptys(SYSCTLFN_PROTO); 201 #endif /* NPTY > 0 */ 202 static int sysctl_kern_sbmax(SYSCTLFN_PROTO); 203 static int sysctl_kern_urnd(SYSCTLFN_PROTO); 204 static int sysctl_kern_arnd(SYSCTLFN_PROTO); 205 static int sysctl_kern_lwp(SYSCTLFN_PROTO); 206 static int sysctl_kern_forkfsleep(SYSCTLFN_PROTO); 207 static int sysctl_kern_root_partition(SYSCTLFN_PROTO); 208 static int sysctl_kern_drivers(SYSCTLFN_PROTO); 209 static int sysctl_kern_file2(SYSCTLFN_PROTO); 210 static int sysctl_security_setidcore(SYSCTLFN_PROTO); 211 static int sysctl_security_setidcorename(SYSCTLFN_PROTO); 212 static int sysctl_kern_cpid(SYSCTLFN_PROTO); 213 static int sysctl_doeproc(SYSCTLFN_PROTO); 214 static int sysctl_kern_proc_args(SYSCTLFN_PROTO); 215 static int sysctl_hw_usermem(SYSCTLFN_PROTO); 216 static int sysctl_hw_cnmagic(SYSCTLFN_PROTO); 217 static int sysctl_hw_ncpu(SYSCTLFN_PROTO); 218 219 static u_int sysctl_map_flags(const u_int *, u_int); 220 static void fill_kproc2(struct proc *, struct kinfo_proc2 *); 221 static void fill_lwp(struct lwp *l, struct kinfo_lwp *kl); 222 static void fill_file(struct kinfo_file *, const struct file *, struct proc *, 223 int); 224 225 /* 226 * ******************************************************************** 227 * section 1: setup routines 228 * ******************************************************************** 229 * these functions are stuffed into a link set for sysctl setup 230 * functions. they're never called or referenced from anywhere else. 231 * ******************************************************************** 232 */ 233 234 /* 235 * sets up the base nodes... 236 */ 237 SYSCTL_SETUP(sysctl_root_setup, "sysctl base setup") 238 { 239 240 sysctl_createv(clog, 0, NULL, NULL, 241 CTLFLAG_PERMANENT, 242 CTLTYPE_NODE, "kern", 243 SYSCTL_DESCR("High kernel"), 244 NULL, 0, NULL, 0, 245 CTL_KERN, CTL_EOL); 246 sysctl_createv(clog, 0, NULL, NULL, 247 CTLFLAG_PERMANENT, 248 CTLTYPE_NODE, "vm", 249 SYSCTL_DESCR("Virtual memory"), 250 NULL, 0, NULL, 0, 251 CTL_VM, CTL_EOL); 252 sysctl_createv(clog, 0, NULL, NULL, 253 CTLFLAG_PERMANENT, 254 CTLTYPE_NODE, "vfs", 255 SYSCTL_DESCR("Filesystem"), 256 NULL, 0, NULL, 0, 257 CTL_VFS, CTL_EOL); 258 sysctl_createv(clog, 0, NULL, NULL, 259 CTLFLAG_PERMANENT, 260 CTLTYPE_NODE, "net", 261 SYSCTL_DESCR("Networking"), 262 NULL, 0, NULL, 0, 263 CTL_NET, CTL_EOL); 264 sysctl_createv(clog, 0, NULL, NULL, 265 CTLFLAG_PERMANENT, 266 CTLTYPE_NODE, "debug", 267 SYSCTL_DESCR("Debugging"), 268 NULL, 0, NULL, 0, 269 CTL_DEBUG, CTL_EOL); 270 sysctl_createv(clog, 0, NULL, NULL, 271 CTLFLAG_PERMANENT, 272 CTLTYPE_NODE, "hw", 273 SYSCTL_DESCR("Generic CPU, I/O"), 274 NULL, 0, NULL, 0, 275 CTL_HW, CTL_EOL); 276 sysctl_createv(clog, 0, NULL, NULL, 277 CTLFLAG_PERMANENT, 278 CTLTYPE_NODE, "machdep", 279 SYSCTL_DESCR("Machine dependent"), 280 NULL, 0, NULL, 0, 281 CTL_MACHDEP, CTL_EOL); 282 /* 283 * this node is inserted so that the sysctl nodes in libc can 284 * operate. 285 */ 286 sysctl_createv(clog, 0, NULL, NULL, 287 CTLFLAG_PERMANENT, 288 CTLTYPE_NODE, "user", 289 SYSCTL_DESCR("User-level"), 290 NULL, 0, NULL, 0, 291 CTL_USER, CTL_EOL); 292 sysctl_createv(clog, 0, NULL, NULL, 293 CTLFLAG_PERMANENT, 294 CTLTYPE_NODE, "ddb", 295 SYSCTL_DESCR("In-kernel debugger"), 296 NULL, 0, NULL, 0, 297 CTL_DDB, CTL_EOL); 298 sysctl_createv(clog, 0, NULL, NULL, 299 CTLFLAG_PERMANENT, 300 CTLTYPE_NODE, "proc", 301 SYSCTL_DESCR("Per-process"), 302 NULL, 0, NULL, 0, 303 CTL_PROC, CTL_EOL); 304 sysctl_createv(clog, 0, NULL, NULL, 305 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 306 CTLTYPE_NODE, "vendor", 307 SYSCTL_DESCR("Vendor specific"), 308 NULL, 0, NULL, 0, 309 CTL_VENDOR, CTL_EOL); 310 sysctl_createv(clog, 0, NULL, NULL, 311 CTLFLAG_PERMANENT, 312 CTLTYPE_NODE, "emul", 313 SYSCTL_DESCR("Emulation settings"), 314 NULL, 0, NULL, 0, 315 CTL_EMUL, CTL_EOL); 316 sysctl_createv(clog, 0, NULL, NULL, 317 CTLFLAG_PERMANENT, 318 CTLTYPE_NODE, "security", 319 SYSCTL_DESCR("Security"), 320 NULL, 0, NULL, 0, 321 CTL_SECURITY, CTL_EOL); 322 } 323 324 /* 325 * this setup routine is a replacement for kern_sysctl() 326 */ 327 SYSCTL_SETUP(sysctl_kern_setup, "sysctl kern subtree setup") 328 { 329 extern int kern_logsigexit; /* defined in kern/kern_sig.c */ 330 extern fixpt_t ccpu; /* defined in kern/kern_synch.c */ 331 extern int dumponpanic; /* defined in kern/subr_prf.c */ 332 const struct sysctlnode *rnode; 333 334 sysctl_createv(clog, 0, NULL, NULL, 335 CTLFLAG_PERMANENT, 336 CTLTYPE_NODE, "kern", NULL, 337 NULL, 0, NULL, 0, 338 CTL_KERN, CTL_EOL); 339 340 sysctl_createv(clog, 0, NULL, NULL, 341 CTLFLAG_PERMANENT, 342 CTLTYPE_STRING, "ostype", 343 SYSCTL_DESCR("Operating system type"), 344 NULL, 0, &ostype, 0, 345 CTL_KERN, KERN_OSTYPE, CTL_EOL); 346 sysctl_createv(clog, 0, NULL, NULL, 347 CTLFLAG_PERMANENT, 348 CTLTYPE_STRING, "osrelease", 349 SYSCTL_DESCR("Operating system release"), 350 NULL, 0, &osrelease, 0, 351 CTL_KERN, KERN_OSRELEASE, CTL_EOL); 352 sysctl_createv(clog, 0, NULL, NULL, 353 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 354 CTLTYPE_INT, "osrevision", 355 SYSCTL_DESCR("Operating system revision"), 356 NULL, __NetBSD_Version__, NULL, 0, 357 CTL_KERN, KERN_OSREV, CTL_EOL); 358 sysctl_createv(clog, 0, NULL, NULL, 359 CTLFLAG_PERMANENT, 360 CTLTYPE_STRING, "version", 361 SYSCTL_DESCR("Kernel version"), 362 NULL, 0, &version, 0, 363 CTL_KERN, KERN_VERSION, CTL_EOL); 364 sysctl_createv(clog, 0, NULL, NULL, 365 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 366 CTLTYPE_INT, "maxvnodes", 367 SYSCTL_DESCR("Maximum number of vnodes"), 368 sysctl_kern_maxvnodes, 0, NULL, 0, 369 CTL_KERN, KERN_MAXVNODES, CTL_EOL); 370 sysctl_createv(clog, 0, NULL, NULL, 371 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 372 CTLTYPE_INT, "maxproc", 373 SYSCTL_DESCR("Maximum number of simultaneous processes"), 374 sysctl_kern_maxproc, 0, NULL, 0, 375 CTL_KERN, KERN_MAXPROC, CTL_EOL); 376 sysctl_createv(clog, 0, NULL, NULL, 377 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 378 CTLTYPE_INT, "maxfiles", 379 SYSCTL_DESCR("Maximum number of open files"), 380 NULL, 0, &maxfiles, 0, 381 CTL_KERN, KERN_MAXFILES, CTL_EOL); 382 sysctl_createv(clog, 0, NULL, NULL, 383 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 384 CTLTYPE_INT, "argmax", 385 SYSCTL_DESCR("Maximum number of bytes of arguments to " 386 "execve(2)"), 387 NULL, ARG_MAX, NULL, 0, 388 CTL_KERN, KERN_ARGMAX, CTL_EOL); 389 sysctl_createv(clog, 0, NULL, NULL, 390 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 391 CTLTYPE_STRING, "hostname", 392 SYSCTL_DESCR("System hostname"), 393 sysctl_setlen, 0, &hostname, MAXHOSTNAMELEN, 394 CTL_KERN, KERN_HOSTNAME, CTL_EOL); 395 sysctl_createv(clog, 0, NULL, NULL, 396 CTLFLAG_PERMANENT|CTLFLAG_READWRITE|CTLFLAG_HEX, 397 CTLTYPE_INT, "hostid", 398 SYSCTL_DESCR("System host ID number"), 399 sysctl_kern_hostid, 0, NULL, 0, 400 CTL_KERN, KERN_HOSTID, CTL_EOL); 401 sysctl_createv(clog, 0, NULL, NULL, 402 CTLFLAG_PERMANENT, 403 CTLTYPE_STRUCT, "clockrate", 404 SYSCTL_DESCR("Kernel clock rates"), 405 sysctl_kern_clockrate, 0, NULL, 406 sizeof(struct clockinfo), 407 CTL_KERN, KERN_CLOCKRATE, CTL_EOL); 408 sysctl_createv(clog, 0, NULL, NULL, 409 CTLFLAG_PERMANENT, 410 CTLTYPE_INT, "hardclock_ticks", 411 SYSCTL_DESCR("Number of hardclock ticks"), 412 NULL, 0, &hardclock_ticks, sizeof(hardclock_ticks), 413 CTL_KERN, KERN_HARDCLOCK_TICKS, CTL_EOL); 414 sysctl_createv(clog, 0, NULL, NULL, 415 CTLFLAG_PERMANENT, 416 CTLTYPE_STRUCT, "vnode", 417 SYSCTL_DESCR("System vnode table"), 418 sysctl_kern_vnode, 0, NULL, 0, 419 CTL_KERN, KERN_VNODE, CTL_EOL); 420 sysctl_createv(clog, 0, NULL, NULL, 421 CTLFLAG_PERMANENT, 422 CTLTYPE_STRUCT, "file", 423 SYSCTL_DESCR("System open file table"), 424 sysctl_kern_file, 0, NULL, 0, 425 CTL_KERN, KERN_FILE, CTL_EOL); 426 #ifndef GPROF 427 sysctl_createv(clog, 0, NULL, NULL, 428 CTLFLAG_PERMANENT, 429 CTLTYPE_NODE, "profiling", 430 SYSCTL_DESCR("Profiling information (not available)"), 431 sysctl_notavail, 0, NULL, 0, 432 CTL_KERN, KERN_PROF, CTL_EOL); 433 #endif 434 sysctl_createv(clog, 0, NULL, NULL, 435 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 436 CTLTYPE_INT, "posix1version", 437 SYSCTL_DESCR("Version of ISO/IEC 9945 (POSIX 1003.1) " 438 "with which the operating system attempts " 439 "to comply"), 440 NULL, _POSIX_VERSION, NULL, 0, 441 CTL_KERN, KERN_POSIX1, CTL_EOL); 442 sysctl_createv(clog, 0, NULL, NULL, 443 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 444 CTLTYPE_INT, "ngroups", 445 SYSCTL_DESCR("Maximum number of supplemental groups"), 446 NULL, NGROUPS_MAX, NULL, 0, 447 CTL_KERN, KERN_NGROUPS, CTL_EOL); 448 sysctl_createv(clog, 0, NULL, NULL, 449 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 450 CTLTYPE_INT, "job_control", 451 SYSCTL_DESCR("Whether job control is available"), 452 NULL, 1, NULL, 0, 453 CTL_KERN, KERN_JOB_CONTROL, CTL_EOL); 454 sysctl_createv(clog, 0, NULL, NULL, 455 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 456 CTLTYPE_INT, "saved_ids", 457 SYSCTL_DESCR("Whether POSIX saved set-group/user ID is " 458 "available"), NULL, 459 #ifdef _POSIX_SAVED_IDS 460 1, 461 #else /* _POSIX_SAVED_IDS */ 462 0, 463 #endif /* _POSIX_SAVED_IDS */ 464 NULL, 0, CTL_KERN, KERN_SAVED_IDS, CTL_EOL); 465 sysctl_createv(clog, 0, NULL, NULL, 466 CTLFLAG_PERMANENT, 467 CTLTYPE_STRUCT, "boottime", 468 SYSCTL_DESCR("System boot time"), 469 NULL, 0, &boottime, sizeof(boottime), 470 CTL_KERN, KERN_BOOTTIME, CTL_EOL); 471 sysctl_createv(clog, 0, NULL, NULL, 472 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 473 CTLTYPE_STRING, "domainname", 474 SYSCTL_DESCR("YP domain name"), 475 sysctl_setlen, 0, &domainname, MAXHOSTNAMELEN, 476 CTL_KERN, KERN_DOMAINNAME, CTL_EOL); 477 sysctl_createv(clog, 0, NULL, NULL, 478 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 479 CTLTYPE_INT, "maxpartitions", 480 SYSCTL_DESCR("Maximum number of partitions allowed per " 481 "disk"), 482 NULL, MAXPARTITIONS, NULL, 0, 483 CTL_KERN, KERN_MAXPARTITIONS, CTL_EOL); 484 sysctl_createv(clog, 0, NULL, NULL, 485 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 486 CTLTYPE_INT, "rawpartition", 487 SYSCTL_DESCR("Raw partition of a disk"), 488 NULL, RAW_PART, NULL, 0, 489 CTL_KERN, KERN_RAWPARTITION, CTL_EOL); 490 sysctl_createv(clog, 0, NULL, NULL, 491 CTLFLAG_PERMANENT, 492 CTLTYPE_STRUCT, "timex", NULL, 493 sysctl_notavail, 0, NULL, 0, 494 CTL_KERN, KERN_TIMEX, CTL_EOL); 495 sysctl_createv(clog, 0, NULL, NULL, 496 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 497 CTLTYPE_INT, "rtc_offset", 498 SYSCTL_DESCR("Offset of real time clock from UTC in " 499 "minutes"), 500 sysctl_kern_rtc_offset, 0, &rtc_offset, 0, 501 CTL_KERN, KERN_RTC_OFFSET, CTL_EOL); 502 sysctl_createv(clog, 0, NULL, NULL, 503 CTLFLAG_PERMANENT, 504 CTLTYPE_STRING, "root_device", 505 SYSCTL_DESCR("Name of the root device"), 506 sysctl_root_device, 0, NULL, 0, 507 CTL_KERN, KERN_ROOT_DEVICE, CTL_EOL); 508 sysctl_createv(clog, 0, NULL, NULL, 509 CTLFLAG_PERMANENT, 510 CTLTYPE_INT, "msgbufsize", 511 SYSCTL_DESCR("Size of the kernel message buffer"), 512 sysctl_msgbuf, 0, NULL, 0, 513 CTL_KERN, KERN_MSGBUFSIZE, CTL_EOL); 514 sysctl_createv(clog, 0, NULL, NULL, 515 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 516 CTLTYPE_INT, "fsync", 517 SYSCTL_DESCR("Whether the POSIX 1003.1b File " 518 "Synchronization Option is available on " 519 "this system"), 520 NULL, 1, NULL, 0, 521 CTL_KERN, KERN_FSYNC, CTL_EOL); 522 sysctl_createv(clog, 0, NULL, NULL, 523 CTLFLAG_PERMANENT, 524 CTLTYPE_NODE, "ipc", 525 SYSCTL_DESCR("SysV IPC options"), 526 NULL, 0, NULL, 0, 527 CTL_KERN, KERN_SYSVIPC, CTL_EOL); 528 sysctl_createv(clog, 0, NULL, NULL, 529 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 530 CTLTYPE_INT, "sysvmsg", 531 SYSCTL_DESCR("System V style message support available"), 532 NULL, 533 #ifdef SYSVMSG 534 1, 535 #else /* SYSVMSG */ 536 0, 537 #endif /* SYSVMSG */ 538 NULL, 0, CTL_KERN, KERN_SYSVIPC, KERN_SYSVIPC_MSG, CTL_EOL); 539 sysctl_createv(clog, 0, NULL, NULL, 540 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 541 CTLTYPE_INT, "sysvsem", 542 SYSCTL_DESCR("System V style semaphore support " 543 "available"), NULL, 544 #ifdef SYSVSEM 545 1, 546 #else /* SYSVSEM */ 547 0, 548 #endif /* SYSVSEM */ 549 NULL, 0, CTL_KERN, KERN_SYSVIPC, KERN_SYSVIPC_SEM, CTL_EOL); 550 sysctl_createv(clog, 0, NULL, NULL, 551 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 552 CTLTYPE_INT, "sysvshm", 553 SYSCTL_DESCR("System V style shared memory support " 554 "available"), NULL, 555 #ifdef SYSVSHM 556 1, 557 #else /* SYSVSHM */ 558 0, 559 #endif /* SYSVSHM */ 560 NULL, 0, CTL_KERN, KERN_SYSVIPC, KERN_SYSVIPC_SHM, CTL_EOL); 561 sysctl_createv(clog, 0, NULL, NULL, 562 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 563 CTLTYPE_INT, "synchronized_io", 564 SYSCTL_DESCR("Whether the POSIX 1003.1b Synchronized " 565 "I/O Option is available on this system"), 566 NULL, 1, NULL, 0, 567 CTL_KERN, KERN_SYNCHRONIZED_IO, CTL_EOL); 568 sysctl_createv(clog, 0, NULL, NULL, 569 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 570 CTLTYPE_INT, "iov_max", 571 SYSCTL_DESCR("Maximum number of iovec structures per " 572 "process"), 573 NULL, IOV_MAX, NULL, 0, 574 CTL_KERN, KERN_IOV_MAX, CTL_EOL); 575 sysctl_createv(clog, 0, NULL, NULL, 576 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 577 CTLTYPE_INT, "mapped_files", 578 SYSCTL_DESCR("Whether the POSIX 1003.1b Memory Mapped " 579 "Files Option is available on this system"), 580 NULL, 1, NULL, 0, 581 CTL_KERN, KERN_MAPPED_FILES, CTL_EOL); 582 sysctl_createv(clog, 0, NULL, NULL, 583 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 584 CTLTYPE_INT, "memlock", 585 SYSCTL_DESCR("Whether the POSIX 1003.1b Process Memory " 586 "Locking Option is available on this " 587 "system"), 588 NULL, 1, NULL, 0, 589 CTL_KERN, KERN_MEMLOCK, CTL_EOL); 590 sysctl_createv(clog, 0, NULL, NULL, 591 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 592 CTLTYPE_INT, "memlock_range", 593 SYSCTL_DESCR("Whether the POSIX 1003.1b Range Memory " 594 "Locking Option is available on this " 595 "system"), 596 NULL, 1, NULL, 0, 597 CTL_KERN, KERN_MEMLOCK_RANGE, CTL_EOL); 598 sysctl_createv(clog, 0, NULL, NULL, 599 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 600 CTLTYPE_INT, "memory_protection", 601 SYSCTL_DESCR("Whether the POSIX 1003.1b Memory " 602 "Protection Option is available on this " 603 "system"), 604 NULL, 1, NULL, 0, 605 CTL_KERN, KERN_MEMORY_PROTECTION, CTL_EOL); 606 sysctl_createv(clog, 0, NULL, NULL, 607 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 608 CTLTYPE_INT, "login_name_max", 609 SYSCTL_DESCR("Maximum login name length"), 610 NULL, LOGIN_NAME_MAX, NULL, 0, 611 CTL_KERN, KERN_LOGIN_NAME_MAX, CTL_EOL); 612 sysctl_createv(clog, 0, NULL, NULL, 613 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 614 CTLTYPE_STRING, "defcorename", 615 SYSCTL_DESCR("Default core file name"), 616 sysctl_kern_defcorename, 0, defcorename, MAXPATHLEN, 617 CTL_KERN, KERN_DEFCORENAME, CTL_EOL); 618 sysctl_createv(clog, 0, NULL, NULL, 619 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 620 CTLTYPE_INT, "logsigexit", 621 SYSCTL_DESCR("Log process exit when caused by signals"), 622 NULL, 0, &kern_logsigexit, 0, 623 CTL_KERN, KERN_LOGSIGEXIT, CTL_EOL); 624 sysctl_createv(clog, 0, NULL, NULL, 625 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 626 CTLTYPE_INT, "fscale", 627 SYSCTL_DESCR("Kernel fixed-point scale factor"), 628 NULL, FSCALE, NULL, 0, 629 CTL_KERN, KERN_FSCALE, CTL_EOL); 630 sysctl_createv(clog, 0, NULL, NULL, 631 CTLFLAG_PERMANENT, 632 CTLTYPE_INT, "ccpu", 633 SYSCTL_DESCR("Scheduler exponential decay value"), 634 NULL, 0, &ccpu, 0, 635 CTL_KERN, KERN_CCPU, CTL_EOL); 636 sysctl_createv(clog, 0, NULL, NULL, 637 CTLFLAG_PERMANENT, 638 CTLTYPE_STRUCT, "cp_time", 639 SYSCTL_DESCR("Clock ticks spent in different CPU states"), 640 sysctl_kern_cptime, 0, NULL, 0, 641 CTL_KERN, KERN_CP_TIME, CTL_EOL); 642 sysctl_createv(clog, 0, NULL, NULL, 643 CTLFLAG_PERMANENT, 644 CTLTYPE_INT, "msgbuf", 645 SYSCTL_DESCR("Kernel message buffer"), 646 sysctl_msgbuf, 0, NULL, 0, 647 CTL_KERN, KERN_MSGBUF, CTL_EOL); 648 sysctl_createv(clog, 0, NULL, NULL, 649 CTLFLAG_PERMANENT, 650 CTLTYPE_STRUCT, "consdev", 651 SYSCTL_DESCR("Console device"), 652 sysctl_consdev, 0, NULL, sizeof(dev_t), 653 CTL_KERN, KERN_CONSDEV, CTL_EOL); 654 #if NPTY > 0 655 sysctl_createv(clog, 0, NULL, NULL, 656 CTLFLAG_PERMANENT, 657 CTLTYPE_INT, "maxptys", 658 SYSCTL_DESCR("Maximum number of pseudo-ttys"), 659 sysctl_kern_maxptys, 0, NULL, 0, 660 CTL_KERN, KERN_MAXPTYS, CTL_EOL); 661 #endif /* NPTY > 0 */ 662 sysctl_createv(clog, 0, NULL, NULL, 663 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 664 CTLTYPE_INT, "maxphys", 665 SYSCTL_DESCR("Maximum raw I/O transfer size"), 666 NULL, MAXPHYS, NULL, 0, 667 CTL_KERN, KERN_MAXPHYS, CTL_EOL); 668 sysctl_createv(clog, 0, NULL, NULL, 669 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 670 CTLTYPE_INT, "sbmax", 671 SYSCTL_DESCR("Maximum socket buffer size"), 672 sysctl_kern_sbmax, 0, NULL, 0, 673 CTL_KERN, KERN_SBMAX, CTL_EOL); 674 sysctl_createv(clog, 0, NULL, NULL, 675 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 676 CTLTYPE_INT, "monotonic_clock", 677 SYSCTL_DESCR("Implementation version of the POSIX " 678 "1003.1b Monotonic Clock Option"), 679 /* XXX _POSIX_VERSION */ 680 NULL, _POSIX_MONOTONIC_CLOCK, NULL, 0, 681 CTL_KERN, KERN_MONOTONIC_CLOCK, CTL_EOL); 682 sysctl_createv(clog, 0, NULL, NULL, 683 CTLFLAG_PERMANENT, 684 CTLTYPE_INT, "urandom", 685 SYSCTL_DESCR("Random integer value"), 686 sysctl_kern_urnd, 0, NULL, 0, 687 CTL_KERN, KERN_URND, CTL_EOL); 688 sysctl_createv(clog, 0, NULL, NULL, 689 CTLFLAG_PERMANENT, 690 CTLTYPE_INT, "arandom", 691 SYSCTL_DESCR("n bytes of random data"), 692 sysctl_kern_arnd, 0, NULL, 0, 693 CTL_KERN, KERN_ARND, CTL_EOL); 694 sysctl_createv(clog, 0, NULL, NULL, 695 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 696 CTLTYPE_INT, "labelsector", 697 SYSCTL_DESCR("Sector number containing the disklabel"), 698 NULL, LABELSECTOR, NULL, 0, 699 CTL_KERN, KERN_LABELSECTOR, CTL_EOL); 700 sysctl_createv(clog, 0, NULL, NULL, 701 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 702 CTLTYPE_INT, "labeloffset", 703 SYSCTL_DESCR("Offset of the disklabel within the " 704 "sector"), 705 NULL, LABELOFFSET, NULL, 0, 706 CTL_KERN, KERN_LABELOFFSET, CTL_EOL); 707 sysctl_createv(clog, 0, NULL, NULL, 708 CTLFLAG_PERMANENT, 709 CTLTYPE_NODE, "lwp", 710 SYSCTL_DESCR("System-wide LWP information"), 711 sysctl_kern_lwp, 0, NULL, 0, 712 CTL_KERN, KERN_LWP, CTL_EOL); 713 sysctl_createv(clog, 0, NULL, NULL, 714 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 715 CTLTYPE_INT, "forkfsleep", 716 SYSCTL_DESCR("Milliseconds to sleep on fork failure due " 717 "to process limits"), 718 sysctl_kern_forkfsleep, 0, NULL, 0, 719 CTL_KERN, KERN_FORKFSLEEP, CTL_EOL); 720 sysctl_createv(clog, 0, NULL, NULL, 721 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 722 CTLTYPE_INT, "posix_threads", 723 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 724 "Threads option to which the system " 725 "attempts to conform"), 726 /* XXX _POSIX_VERSION */ 727 NULL, _POSIX_THREADS, NULL, 0, 728 CTL_KERN, KERN_POSIX_THREADS, CTL_EOL); 729 sysctl_createv(clog, 0, NULL, NULL, 730 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 731 CTLTYPE_INT, "posix_semaphores", 732 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 733 "Semaphores option to which the system " 734 "attempts to conform"), NULL, 735 #ifdef P1003_1B_SEMAPHORE 736 200112, 737 #else /* P1003_1B_SEMAPHORE */ 738 0, 739 #endif /* P1003_1B_SEMAPHORE */ 740 NULL, 0, CTL_KERN, KERN_POSIX_SEMAPHORES, CTL_EOL); 741 sysctl_createv(clog, 0, NULL, NULL, 742 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 743 CTLTYPE_INT, "posix_barriers", 744 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 745 "Barriers option to which the system " 746 "attempts to conform"), 747 /* XXX _POSIX_VERSION */ 748 NULL, _POSIX_BARRIERS, NULL, 0, 749 CTL_KERN, KERN_POSIX_BARRIERS, CTL_EOL); 750 sysctl_createv(clog, 0, NULL, NULL, 751 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 752 CTLTYPE_INT, "posix_timers", 753 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 754 "Timers option to which the system " 755 "attempts to conform"), 756 /* XXX _POSIX_VERSION */ 757 NULL, _POSIX_TIMERS, NULL, 0, 758 CTL_KERN, KERN_POSIX_TIMERS, CTL_EOL); 759 sysctl_createv(clog, 0, NULL, NULL, 760 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 761 CTLTYPE_INT, "posix_spin_locks", 762 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its Spin " 763 "Locks option to which the system attempts " 764 "to conform"), 765 /* XXX _POSIX_VERSION */ 766 NULL, _POSIX_SPIN_LOCKS, NULL, 0, 767 CTL_KERN, KERN_POSIX_SPIN_LOCKS, CTL_EOL); 768 sysctl_createv(clog, 0, NULL, NULL, 769 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 770 CTLTYPE_INT, "posix_reader_writer_locks", 771 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 772 "Read-Write Locks option to which the " 773 "system attempts to conform"), 774 /* XXX _POSIX_VERSION */ 775 NULL, _POSIX_READER_WRITER_LOCKS, NULL, 0, 776 CTL_KERN, KERN_POSIX_READER_WRITER_LOCKS, CTL_EOL); 777 sysctl_createv(clog, 0, NULL, NULL, 778 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 779 CTLTYPE_INT, "dump_on_panic", 780 SYSCTL_DESCR("Perform a crash dump on system panic"), 781 NULL, 0, &dumponpanic, 0, 782 CTL_KERN, KERN_DUMP_ON_PANIC, CTL_EOL); 783 #ifdef DIAGNOSTIC 784 sysctl_createv(clog, 0, NULL, NULL, 785 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 786 CTLTYPE_INT, "panic_now", 787 SYSCTL_DESCR("Trigger a panic"), 788 sysctl_kern_trigger_panic, 0, NULL, 0, 789 CTL_KERN, CTL_CREATE, CTL_EOL); 790 #endif 791 sysctl_createv(clog, 0, NULL, NULL, 792 CTLFLAG_PERMANENT, 793 CTLTYPE_INT, "root_partition", 794 SYSCTL_DESCR("Root partition on the root device"), 795 sysctl_kern_root_partition, 0, NULL, 0, 796 CTL_KERN, KERN_ROOT_PARTITION, CTL_EOL); 797 sysctl_createv(clog, 0, NULL, NULL, 798 CTLFLAG_PERMANENT, 799 CTLTYPE_STRUCT, "drivers", 800 SYSCTL_DESCR("List of all drivers with block and " 801 "character device numbers"), 802 sysctl_kern_drivers, 0, NULL, 0, 803 CTL_KERN, KERN_DRIVERS, CTL_EOL); 804 sysctl_createv(clog, 0, NULL, NULL, 805 CTLFLAG_PERMANENT, 806 CTLTYPE_STRUCT, "file2", 807 SYSCTL_DESCR("System open file table"), 808 sysctl_kern_file2, 0, NULL, 0, 809 CTL_KERN, KERN_FILE2, CTL_EOL); 810 sysctl_createv(clog, 0, NULL, NULL, 811 CTLFLAG_PERMANENT, 812 CTLTYPE_STRUCT, "cp_id", 813 SYSCTL_DESCR("Mapping of CPU number to CPU id"), 814 sysctl_kern_cpid, 0, NULL, 0, 815 CTL_KERN, KERN_CP_ID, CTL_EOL); 816 sysctl_createv(clog, 0, NULL, &rnode, 817 CTLFLAG_PERMANENT, 818 CTLTYPE_NODE, "coredump", 819 SYSCTL_DESCR("Coredump settings."), 820 NULL, 0, NULL, 0, 821 CTL_KERN, CTL_CREATE, CTL_EOL); 822 sysctl_createv(clog, 0, &rnode, &rnode, 823 CTLFLAG_PERMANENT, 824 CTLTYPE_NODE, "setid", 825 SYSCTL_DESCR("Set-id processes' coredump settings."), 826 NULL, 0, NULL, 0, 827 CTL_CREATE, CTL_EOL); 828 sysctl_createv(clog, 0, &rnode, NULL, 829 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 830 CTLTYPE_INT, "dump", 831 SYSCTL_DESCR("Allow set-id processes to dump core."), 832 sysctl_security_setidcore, 0, &security_setidcore_dump, 833 sizeof(security_setidcore_dump), 834 CTL_CREATE, CTL_EOL); 835 sysctl_createv(clog, 0, &rnode, NULL, 836 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 837 CTLTYPE_STRING, "path", 838 SYSCTL_DESCR("Path pattern for set-id coredumps."), 839 sysctl_security_setidcorename, 0, 840 &security_setidcore_path, 841 sizeof(security_setidcore_path), 842 CTL_CREATE, CTL_EOL); 843 sysctl_createv(clog, 0, &rnode, NULL, 844 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 845 CTLTYPE_INT, "owner", 846 SYSCTL_DESCR("Owner id for set-id processes' cores."), 847 sysctl_security_setidcore, 0, &security_setidcore_owner, 848 0, 849 CTL_CREATE, CTL_EOL); 850 sysctl_createv(clog, 0, &rnode, NULL, 851 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 852 CTLTYPE_INT, "group", 853 SYSCTL_DESCR("Group id for set-id processes' cores."), 854 sysctl_security_setidcore, 0, &security_setidcore_group, 855 0, 856 CTL_CREATE, CTL_EOL); 857 sysctl_createv(clog, 0, &rnode, NULL, 858 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 859 CTLTYPE_INT, "mode", 860 SYSCTL_DESCR("Mode for set-id processes' cores."), 861 sysctl_security_setidcore, 0, &security_setidcore_mode, 862 0, 863 CTL_CREATE, CTL_EOL); 864 } 865 866 SYSCTL_SETUP(sysctl_kern_proc_setup, 867 "sysctl kern.proc/proc2/proc_args subtree setup") 868 { 869 870 sysctl_createv(clog, 0, NULL, NULL, 871 CTLFLAG_PERMANENT, 872 CTLTYPE_NODE, "kern", NULL, 873 NULL, 0, NULL, 0, 874 CTL_KERN, CTL_EOL); 875 876 sysctl_createv(clog, 0, NULL, NULL, 877 CTLFLAG_PERMANENT, 878 CTLTYPE_NODE, "proc", 879 SYSCTL_DESCR("System-wide process information"), 880 sysctl_doeproc, 0, NULL, 0, 881 CTL_KERN, KERN_PROC, CTL_EOL); 882 sysctl_createv(clog, 0, NULL, NULL, 883 CTLFLAG_PERMANENT, 884 CTLTYPE_NODE, "proc2", 885 SYSCTL_DESCR("Machine-independent process information"), 886 sysctl_doeproc, 0, NULL, 0, 887 CTL_KERN, KERN_PROC2, CTL_EOL); 888 sysctl_createv(clog, 0, NULL, NULL, 889 CTLFLAG_PERMANENT, 890 CTLTYPE_NODE, "proc_args", 891 SYSCTL_DESCR("Process argument information"), 892 sysctl_kern_proc_args, 0, NULL, 0, 893 CTL_KERN, KERN_PROC_ARGS, CTL_EOL); 894 895 /* 896 "nodes" under these: 897 898 KERN_PROC_ALL 899 KERN_PROC_PID pid 900 KERN_PROC_PGRP pgrp 901 KERN_PROC_SESSION sess 902 KERN_PROC_TTY tty 903 KERN_PROC_UID uid 904 KERN_PROC_RUID uid 905 KERN_PROC_GID gid 906 KERN_PROC_RGID gid 907 908 all in all, probably not worth the effort... 909 */ 910 } 911 912 SYSCTL_SETUP(sysctl_hw_setup, "sysctl hw subtree setup") 913 { 914 u_int u; 915 u_quad_t q; 916 917 sysctl_createv(clog, 0, NULL, NULL, 918 CTLFLAG_PERMANENT, 919 CTLTYPE_NODE, "hw", NULL, 920 NULL, 0, NULL, 0, 921 CTL_HW, CTL_EOL); 922 923 sysctl_createv(clog, 0, NULL, NULL, 924 CTLFLAG_PERMANENT, 925 CTLTYPE_STRING, "machine", 926 SYSCTL_DESCR("Machine class"), 927 NULL, 0, machine, 0, 928 CTL_HW, HW_MACHINE, CTL_EOL); 929 sysctl_createv(clog, 0, NULL, NULL, 930 CTLFLAG_PERMANENT, 931 CTLTYPE_STRING, "model", 932 SYSCTL_DESCR("Machine model"), 933 NULL, 0, cpu_model, 0, 934 CTL_HW, HW_MODEL, CTL_EOL); 935 sysctl_createv(clog, 0, NULL, NULL, 936 CTLFLAG_PERMANENT, 937 CTLTYPE_INT, "ncpu", 938 SYSCTL_DESCR("Number of active CPUs"), 939 sysctl_hw_ncpu, 0, NULL, 0, 940 CTL_HW, HW_NCPU, CTL_EOL); 941 sysctl_createv(clog, 0, NULL, NULL, 942 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 943 CTLTYPE_INT, "byteorder", 944 SYSCTL_DESCR("System byte order"), 945 NULL, BYTE_ORDER, NULL, 0, 946 CTL_HW, HW_BYTEORDER, CTL_EOL); 947 u = ((u_int)physmem > (UINT_MAX / PAGE_SIZE)) ? 948 UINT_MAX : physmem * PAGE_SIZE; 949 sysctl_createv(clog, 0, NULL, NULL, 950 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 951 CTLTYPE_INT, "physmem", 952 SYSCTL_DESCR("Bytes of physical memory"), 953 NULL, u, NULL, 0, 954 CTL_HW, HW_PHYSMEM, CTL_EOL); 955 sysctl_createv(clog, 0, NULL, NULL, 956 CTLFLAG_PERMANENT, 957 CTLTYPE_INT, "usermem", 958 SYSCTL_DESCR("Bytes of non-kernel memory"), 959 sysctl_hw_usermem, 0, NULL, 0, 960 CTL_HW, HW_USERMEM, CTL_EOL); 961 sysctl_createv(clog, 0, NULL, NULL, 962 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 963 CTLTYPE_INT, "pagesize", 964 SYSCTL_DESCR("Software page size"), 965 NULL, PAGE_SIZE, NULL, 0, 966 CTL_HW, HW_PAGESIZE, CTL_EOL); 967 sysctl_createv(clog, 0, NULL, NULL, 968 CTLFLAG_PERMANENT, 969 CTLTYPE_STRING, "machine_arch", 970 SYSCTL_DESCR("Machine CPU class"), 971 NULL, 0, machine_arch, 0, 972 CTL_HW, HW_MACHINE_ARCH, CTL_EOL); 973 sysctl_createv(clog, 0, NULL, NULL, 974 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 975 CTLTYPE_INT, "alignbytes", 976 SYSCTL_DESCR("Alignment constraint for all possible " 977 "data types"), 978 NULL, ALIGNBYTES, NULL, 0, 979 CTL_HW, HW_ALIGNBYTES, CTL_EOL); 980 sysctl_createv(clog, 0, NULL, NULL, 981 CTLFLAG_PERMANENT|CTLFLAG_READWRITE|CTLFLAG_HEX, 982 CTLTYPE_STRING, "cnmagic", 983 SYSCTL_DESCR("Console magic key sequence"), 984 sysctl_hw_cnmagic, 0, NULL, CNS_LEN, 985 CTL_HW, HW_CNMAGIC, CTL_EOL); 986 q = (u_quad_t)physmem * PAGE_SIZE; 987 sysctl_createv(clog, 0, NULL, NULL, 988 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 989 CTLTYPE_QUAD, "physmem64", 990 SYSCTL_DESCR("Bytes of physical memory"), 991 NULL, q, NULL, 0, 992 CTL_HW, HW_PHYSMEM64, CTL_EOL); 993 sysctl_createv(clog, 0, NULL, NULL, 994 CTLFLAG_PERMANENT, 995 CTLTYPE_QUAD, "usermem64", 996 SYSCTL_DESCR("Bytes of non-kernel memory"), 997 sysctl_hw_usermem, 0, NULL, 0, 998 CTL_HW, HW_USERMEM64, CTL_EOL); 999 } 1000 1001 #ifdef DEBUG 1002 /* 1003 * Debugging related system variables. 1004 */ 1005 struct ctldebug /* debug0, */ /* debug1, */ debug2, debug3, debug4; 1006 struct ctldebug debug5, debug6, debug7, debug8, debug9; 1007 struct ctldebug debug10, debug11, debug12, debug13, debug14; 1008 struct ctldebug debug15, debug16, debug17, debug18, debug19; 1009 static struct ctldebug *debugvars[CTL_DEBUG_MAXID] = { 1010 &debug0, &debug1, &debug2, &debug3, &debug4, 1011 &debug5, &debug6, &debug7, &debug8, &debug9, 1012 &debug10, &debug11, &debug12, &debug13, &debug14, 1013 &debug15, &debug16, &debug17, &debug18, &debug19, 1014 }; 1015 1016 /* 1017 * this setup routine is a replacement for debug_sysctl() 1018 * 1019 * note that it creates several nodes per defined debug variable 1020 */ 1021 SYSCTL_SETUP(sysctl_debug_setup, "sysctl debug subtree setup") 1022 { 1023 struct ctldebug *cdp; 1024 char nodename[20]; 1025 int i; 1026 1027 /* 1028 * two ways here: 1029 * 1030 * the "old" way (debug.name -> value) which was emulated by 1031 * the sysctl(8) binary 1032 * 1033 * the new way, which the sysctl(8) binary was actually using 1034 1035 node debug 1036 node debug.0 1037 string debug.0.name 1038 int debug.0.value 1039 int debug.name 1040 1041 */ 1042 1043 sysctl_createv(clog, 0, NULL, NULL, 1044 CTLFLAG_PERMANENT, 1045 CTLTYPE_NODE, "debug", NULL, 1046 NULL, 0, NULL, 0, 1047 CTL_DEBUG, CTL_EOL); 1048 1049 for (i = 0; i < CTL_DEBUG_MAXID; i++) { 1050 cdp = debugvars[i]; 1051 if (cdp->debugname == NULL || cdp->debugvar == NULL) 1052 continue; 1053 1054 snprintf(nodename, sizeof(nodename), "debug%d", i); 1055 sysctl_createv(clog, 0, NULL, NULL, 1056 CTLFLAG_PERMANENT|CTLFLAG_HIDDEN, 1057 CTLTYPE_NODE, nodename, NULL, 1058 NULL, 0, NULL, 0, 1059 CTL_DEBUG, i, CTL_EOL); 1060 sysctl_createv(clog, 0, NULL, NULL, 1061 CTLFLAG_PERMANENT|CTLFLAG_HIDDEN, 1062 CTLTYPE_STRING, "name", NULL, 1063 /*XXXUNCONST*/ 1064 NULL, 0, __UNCONST(cdp->debugname), 0, 1065 CTL_DEBUG, i, CTL_DEBUG_NAME, CTL_EOL); 1066 sysctl_createv(clog, 0, NULL, NULL, 1067 CTLFLAG_PERMANENT|CTLFLAG_HIDDEN, 1068 CTLTYPE_INT, "value", NULL, 1069 NULL, 0, cdp->debugvar, 0, 1070 CTL_DEBUG, i, CTL_DEBUG_VALUE, CTL_EOL); 1071 sysctl_createv(clog, 0, NULL, NULL, 1072 CTLFLAG_PERMANENT, 1073 CTLTYPE_INT, cdp->debugname, NULL, 1074 NULL, 0, cdp->debugvar, 0, 1075 CTL_DEBUG, CTL_CREATE, CTL_EOL); 1076 } 1077 } 1078 #endif /* DEBUG */ 1079 1080 /* 1081 * ******************************************************************** 1082 * section 2: private node-specific helper routines. 1083 * ******************************************************************** 1084 */ 1085 1086 #ifdef DIAGNOSTIC 1087 static int 1088 sysctl_kern_trigger_panic(SYSCTLFN_ARGS) 1089 { 1090 int newtrig, error; 1091 struct sysctlnode node; 1092 1093 newtrig = 0; 1094 node = *rnode; 1095 node.sysctl_data = &newtrig; 1096 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1097 if (error || newp == NULL) 1098 return (error); 1099 1100 if (newtrig != 0) 1101 panic("Panic triggered"); 1102 1103 return (error); 1104 } 1105 #endif 1106 1107 /* 1108 * sysctl helper routine for kern.maxvnodes. drain vnodes if 1109 * new value is lower than desiredvnodes and then calls reinit 1110 * routines that needs to adjust to the new value. 1111 */ 1112 static int 1113 sysctl_kern_maxvnodes(SYSCTLFN_ARGS) 1114 { 1115 int error, new_vnodes, old_vnodes; 1116 struct sysctlnode node; 1117 1118 new_vnodes = desiredvnodes; 1119 node = *rnode; 1120 node.sysctl_data = &new_vnodes; 1121 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1122 if (error || newp == NULL) 1123 return (error); 1124 1125 old_vnodes = desiredvnodes; 1126 desiredvnodes = new_vnodes; 1127 if (new_vnodes < old_vnodes) { 1128 error = vfs_drainvnodes(new_vnodes, l); 1129 if (error) { 1130 desiredvnodes = old_vnodes; 1131 return (error); 1132 } 1133 } 1134 vfs_reinit(); 1135 nchreinit(); 1136 1137 return (0); 1138 } 1139 1140 /* 1141 * sysctl helper routine for rtc_offset - set time after changes 1142 */ 1143 static int 1144 sysctl_kern_rtc_offset(SYSCTLFN_ARGS) 1145 { 1146 struct timespec ts, delta; 1147 int error, new_rtc_offset; 1148 struct sysctlnode node; 1149 1150 new_rtc_offset = rtc_offset; 1151 node = *rnode; 1152 node.sysctl_data = &new_rtc_offset; 1153 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1154 if (error || newp == NULL) 1155 return (error); 1156 1157 if (kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_TIME, 1158 KAUTH_REQ_SYSTEM_TIME_RTCOFFSET, 1159 (void *)(u_long)new_rtc_offset, NULL, NULL)) 1160 return (EPERM); 1161 if (rtc_offset == new_rtc_offset) 1162 return (0); 1163 1164 /* if we change the offset, adjust the time */ 1165 nanotime(&ts); 1166 delta.tv_sec = 60 * (new_rtc_offset - rtc_offset); 1167 delta.tv_nsec = 0; 1168 timespecadd(&ts, &delta, &ts); 1169 rtc_offset = new_rtc_offset; 1170 settime(l->l_proc, &ts); 1171 1172 return (0); 1173 } 1174 1175 /* 1176 * sysctl helper routine for kern.maxproc. ensures that the new 1177 * values are not too low or too high. 1178 */ 1179 static int 1180 sysctl_kern_maxproc(SYSCTLFN_ARGS) 1181 { 1182 int error, nmaxproc; 1183 struct sysctlnode node; 1184 1185 nmaxproc = maxproc; 1186 node = *rnode; 1187 node.sysctl_data = &nmaxproc; 1188 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1189 if (error || newp == NULL) 1190 return (error); 1191 1192 if (nmaxproc < 0 || nmaxproc >= PID_MAX) 1193 return (EINVAL); 1194 #ifdef __HAVE_CPU_MAXPROC 1195 if (nmaxproc > cpu_maxproc()) 1196 return (EINVAL); 1197 #endif 1198 maxproc = nmaxproc; 1199 1200 return (0); 1201 } 1202 1203 /* 1204 * sysctl helper function for kern.hostid. the hostid is a long, but 1205 * we export it as an int, so we need to give it a little help. 1206 */ 1207 static int 1208 sysctl_kern_hostid(SYSCTLFN_ARGS) 1209 { 1210 int error, inthostid; 1211 struct sysctlnode node; 1212 1213 inthostid = hostid; /* XXX assumes sizeof int <= sizeof long */ 1214 node = *rnode; 1215 node.sysctl_data = &inthostid; 1216 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1217 if (error || newp == NULL) 1218 return (error); 1219 1220 hostid = (unsigned)inthostid; 1221 1222 return (0); 1223 } 1224 1225 /* 1226 * sysctl helper function for kern.hostname and kern.domainnname. 1227 * resets the relevant recorded length when the underlying name is 1228 * changed. 1229 */ 1230 static int 1231 sysctl_setlen(SYSCTLFN_ARGS) 1232 { 1233 int error; 1234 1235 error = sysctl_lookup(SYSCTLFN_CALL(rnode)); 1236 if (error || newp == NULL) 1237 return (error); 1238 1239 switch (rnode->sysctl_num) { 1240 case KERN_HOSTNAME: 1241 hostnamelen = strlen((const char*)rnode->sysctl_data); 1242 break; 1243 case KERN_DOMAINNAME: 1244 domainnamelen = strlen((const char*)rnode->sysctl_data); 1245 break; 1246 } 1247 1248 return (0); 1249 } 1250 1251 /* 1252 * sysctl helper routine for kern.clockrate. assembles a struct on 1253 * the fly to be returned to the caller. 1254 */ 1255 static int 1256 sysctl_kern_clockrate(SYSCTLFN_ARGS) 1257 { 1258 struct clockinfo clkinfo; 1259 struct sysctlnode node; 1260 1261 clkinfo.tick = tick; 1262 clkinfo.tickadj = tickadj; 1263 clkinfo.hz = hz; 1264 clkinfo.profhz = profhz; 1265 clkinfo.stathz = stathz ? stathz : hz; 1266 1267 node = *rnode; 1268 node.sysctl_data = &clkinfo; 1269 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1270 } 1271 1272 1273 /* 1274 * sysctl helper routine for kern.file pseudo-subtree. 1275 */ 1276 static int 1277 sysctl_kern_file(SYSCTLFN_ARGS) 1278 { 1279 int error; 1280 size_t buflen; 1281 struct file *fp; 1282 char *start, *where; 1283 1284 start = where = oldp; 1285 buflen = *oldlenp; 1286 if (where == NULL) { 1287 /* 1288 * overestimate by 10 files 1289 */ 1290 *oldlenp = sizeof(filehead) + (nfiles + 10) * sizeof(struct file); 1291 return (0); 1292 } 1293 1294 /* 1295 * first dcopyout filehead 1296 */ 1297 if (buflen < sizeof(filehead)) { 1298 *oldlenp = 0; 1299 return (0); 1300 } 1301 error = dcopyout(l, &filehead, where, sizeof(filehead)); 1302 if (error) 1303 return (error); 1304 buflen -= sizeof(filehead); 1305 where += sizeof(filehead); 1306 1307 /* 1308 * followed by an array of file structures 1309 */ 1310 LIST_FOREACH(fp, &filehead, f_list) { 1311 if (kauth_authorize_generic(l->l_cred, 1312 KAUTH_GENERIC_CANSEE, fp->f_cred) != 0) 1313 continue; 1314 if (buflen < sizeof(struct file)) { 1315 *oldlenp = where - start; 1316 return (ENOMEM); 1317 } 1318 error = dcopyout(l, fp, where, sizeof(struct file)); 1319 if (error) 1320 return (error); 1321 buflen -= sizeof(struct file); 1322 where += sizeof(struct file); 1323 } 1324 *oldlenp = where - start; 1325 return (0); 1326 } 1327 1328 /* 1329 * sysctl helper routine for kern.msgbufsize and kern.msgbuf. for the 1330 * former it merely checks the message buffer is set up. for the latter, 1331 * it also copies out the data if necessary. 1332 */ 1333 static int 1334 sysctl_msgbuf(SYSCTLFN_ARGS) 1335 { 1336 char *where = oldp; 1337 size_t len, maxlen; 1338 long beg, end; 1339 int error; 1340 1341 if (!msgbufenabled || msgbufp->msg_magic != MSG_MAGIC) { 1342 msgbufenabled = 0; 1343 return (ENXIO); 1344 } 1345 1346 switch (rnode->sysctl_num) { 1347 case KERN_MSGBUFSIZE: { 1348 struct sysctlnode node = *rnode; 1349 int msg_bufs = (int)msgbufp->msg_bufs; 1350 node.sysctl_data = &msg_bufs; 1351 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1352 } 1353 case KERN_MSGBUF: 1354 break; 1355 default: 1356 return (EOPNOTSUPP); 1357 } 1358 1359 if (newp != NULL) 1360 return (EPERM); 1361 1362 if (oldp == NULL) { 1363 /* always return full buffer size */ 1364 *oldlenp = msgbufp->msg_bufs; 1365 return (0); 1366 } 1367 1368 error = 0; 1369 maxlen = MIN(msgbufp->msg_bufs, *oldlenp); 1370 1371 /* 1372 * First, copy from the write pointer to the end of 1373 * message buffer. 1374 */ 1375 beg = msgbufp->msg_bufx; 1376 end = msgbufp->msg_bufs; 1377 while (maxlen > 0) { 1378 len = MIN(end - beg, maxlen); 1379 if (len == 0) 1380 break; 1381 error = dcopyout(l, &msgbufp->msg_bufc[beg], where, len); 1382 if (error) 1383 break; 1384 where += len; 1385 maxlen -= len; 1386 1387 /* 1388 * ... then, copy from the beginning of message buffer to 1389 * the write pointer. 1390 */ 1391 beg = 0; 1392 end = msgbufp->msg_bufx; 1393 } 1394 1395 return (error); 1396 } 1397 1398 /* 1399 * sysctl helper routine for kern.defcorename. in the case of a new 1400 * string being assigned, check that it's not a zero-length string. 1401 * (XXX the check in -current doesn't work, but do we really care?) 1402 */ 1403 static int 1404 sysctl_kern_defcorename(SYSCTLFN_ARGS) 1405 { 1406 int error; 1407 char *newcorename; 1408 struct sysctlnode node; 1409 1410 newcorename = PNBUF_GET(); 1411 node = *rnode; 1412 node.sysctl_data = &newcorename[0]; 1413 memcpy(node.sysctl_data, rnode->sysctl_data, MAXPATHLEN); 1414 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1415 if (error || newp == NULL) { 1416 goto done; 1417 } 1418 1419 /* 1420 * when sysctl_lookup() deals with a string, it's guaranteed 1421 * to come back nul terminated. so there. :) 1422 */ 1423 if (strlen(newcorename) == 0) { 1424 error = EINVAL; 1425 } else { 1426 memcpy(rnode->sysctl_data, node.sysctl_data, MAXPATHLEN); 1427 error = 0; 1428 } 1429 done: 1430 PNBUF_PUT(newcorename); 1431 return error; 1432 } 1433 1434 /* 1435 * sysctl helper routine for kern.cp_time node. adds up cpu time 1436 * across all cpus. 1437 */ 1438 static int 1439 sysctl_kern_cptime(SYSCTLFN_ARGS) 1440 { 1441 struct sysctlnode node = *rnode; 1442 1443 #ifndef MULTIPROCESSOR 1444 1445 if (namelen == 1) { 1446 if (name[0] != 0) 1447 return (ENOENT); 1448 /* 1449 * you're allowed to ask for the zero'th processor 1450 */ 1451 name++; 1452 namelen--; 1453 } 1454 node.sysctl_data = curcpu()->ci_schedstate.spc_cp_time; 1455 node.sysctl_size = sizeof(curcpu()->ci_schedstate.spc_cp_time); 1456 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1457 1458 #else /* MULTIPROCESSOR */ 1459 1460 uint64_t *cp_time = NULL; 1461 int error, n = ncpu, i; 1462 struct cpu_info *ci; 1463 CPU_INFO_ITERATOR cii; 1464 1465 /* 1466 * if you specifically pass a buffer that is the size of the 1467 * sum, or if you are probing for the size, you get the "sum" 1468 * of cp_time (and the size thereof) across all processors. 1469 * 1470 * alternately, you can pass an additional mib number and get 1471 * cp_time for that particular processor. 1472 */ 1473 switch (namelen) { 1474 case 0: 1475 if (*oldlenp == sizeof(uint64_t) * CPUSTATES || oldp == NULL) { 1476 node.sysctl_size = sizeof(uint64_t) * CPUSTATES; 1477 n = -1; /* SUM */ 1478 } 1479 else { 1480 node.sysctl_size = n * sizeof(uint64_t) * CPUSTATES; 1481 n = -2; /* ALL */ 1482 } 1483 break; 1484 case 1: 1485 if (name[0] < 0 || name[0] >= n) 1486 return (ENOENT); /* ENOSUCHPROCESSOR */ 1487 node.sysctl_size = sizeof(uint64_t) * CPUSTATES; 1488 n = name[0]; 1489 /* 1490 * adjust these so that sysctl_lookup() will be happy 1491 */ 1492 name++; 1493 namelen--; 1494 break; 1495 default: 1496 return (EINVAL); 1497 } 1498 1499 cp_time = malloc(node.sysctl_size, M_TEMP, M_WAITOK|M_CANFAIL); 1500 if (cp_time == NULL) 1501 return (ENOMEM); 1502 node.sysctl_data = cp_time; 1503 memset(cp_time, 0, node.sysctl_size); 1504 1505 for (CPU_INFO_FOREACH(cii, ci)) { 1506 if (n <= 0) 1507 for (i = 0; i < CPUSTATES; i++) 1508 cp_time[i] += ci->ci_schedstate.spc_cp_time[i]; 1509 /* 1510 * if a specific processor was requested and we just 1511 * did it, we're done here 1512 */ 1513 if (n == 0) 1514 break; 1515 /* 1516 * if doing "all", skip to next cp_time set for next processor 1517 */ 1518 if (n == -2) 1519 cp_time += CPUSTATES; 1520 /* 1521 * if we're doing a specific processor, we're one 1522 * processor closer 1523 */ 1524 if (n > 0) 1525 n--; 1526 } 1527 1528 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1529 free(node.sysctl_data, M_TEMP); 1530 return (error); 1531 1532 #endif /* MULTIPROCESSOR */ 1533 } 1534 1535 #if NPTY > 0 1536 /* 1537 * sysctl helper routine for kern.maxptys. ensures that any new value 1538 * is acceptable to the pty subsystem. 1539 */ 1540 static int 1541 sysctl_kern_maxptys(SYSCTLFN_ARGS) 1542 { 1543 int pty_maxptys(int, int); /* defined in kern/tty_pty.c */ 1544 int error, xmax; 1545 struct sysctlnode node; 1546 1547 /* get current value of maxptys */ 1548 xmax = pty_maxptys(0, 0); 1549 1550 node = *rnode; 1551 node.sysctl_data = &xmax; 1552 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1553 if (error || newp == NULL) 1554 return (error); 1555 1556 if (xmax != pty_maxptys(xmax, 1)) 1557 return (EINVAL); 1558 1559 return (0); 1560 } 1561 #endif /* NPTY > 0 */ 1562 1563 /* 1564 * sysctl helper routine for kern.sbmax. basically just ensures that 1565 * any new value is not too small. 1566 */ 1567 static int 1568 sysctl_kern_sbmax(SYSCTLFN_ARGS) 1569 { 1570 int error, new_sbmax; 1571 struct sysctlnode node; 1572 1573 new_sbmax = sb_max; 1574 node = *rnode; 1575 node.sysctl_data = &new_sbmax; 1576 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1577 if (error || newp == NULL) 1578 return (error); 1579 1580 error = sb_max_set(new_sbmax); 1581 1582 return (error); 1583 } 1584 1585 /* 1586 * sysctl helper routine for kern.urandom node. picks a random number 1587 * for you. 1588 */ 1589 static int 1590 sysctl_kern_urnd(SYSCTLFN_ARGS) 1591 { 1592 #if NRND > 0 1593 int v; 1594 1595 if (rnd_extract_data(&v, sizeof(v), RND_EXTRACT_ANY) == sizeof(v)) { 1596 struct sysctlnode node = *rnode; 1597 node.sysctl_data = &v; 1598 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1599 } 1600 else 1601 return (EIO); /*XXX*/ 1602 #else 1603 return (EOPNOTSUPP); 1604 #endif 1605 } 1606 1607 /* 1608 * sysctl helper routine for kern.arandom node. picks a random number 1609 * for you. 1610 */ 1611 static int 1612 sysctl_kern_arnd(SYSCTLFN_ARGS) 1613 { 1614 #if NRND > 0 1615 int error; 1616 void *v; 1617 struct sysctlnode node = *rnode; 1618 1619 if (*oldlenp == 0) 1620 return 0; 1621 if (*oldlenp > 8192) 1622 return E2BIG; 1623 1624 v = malloc(*oldlenp, M_TEMP, M_WAITOK); 1625 1626 arc4randbytes(v, *oldlenp); 1627 node.sysctl_data = v; 1628 node.sysctl_size = *oldlenp; 1629 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1630 free(v, M_TEMP); 1631 return error; 1632 #else 1633 return (EOPNOTSUPP); 1634 #endif 1635 } 1636 /* 1637 * sysctl helper routine to do kern.lwp.* work. 1638 */ 1639 static int 1640 sysctl_kern_lwp(SYSCTLFN_ARGS) 1641 { 1642 struct kinfo_lwp klwp; 1643 struct proc *p; 1644 struct lwp *l2; 1645 char *where, *dp; 1646 int pid, elem_size, elem_count; 1647 int buflen, needed, error; 1648 1649 if (namelen == 1 && name[0] == CTL_QUERY) 1650 return (sysctl_query(SYSCTLFN_CALL(rnode))); 1651 1652 dp = where = oldp; 1653 buflen = where != NULL ? *oldlenp : 0; 1654 error = needed = 0; 1655 1656 if (newp != NULL || namelen != 3) 1657 return (EINVAL); 1658 pid = name[0]; 1659 elem_size = name[1]; 1660 elem_count = name[2]; 1661 1662 mutex_enter(&proclist_lock); 1663 if (pid == -1) { 1664 LIST_FOREACH(l2, &alllwp, l_list) { 1665 if (buflen >= elem_size && elem_count > 0) { 1666 lwp_lock(l2); 1667 fill_lwp(l2, &klwp); 1668 lwp_unlock(l2); 1669 1670 /* 1671 * Copy out elem_size, but not larger than 1672 * the size of a struct kinfo_proc2. 1673 * 1674 * XXX We should not be holding p_smutex, but 1675 * for now, the buffer is wired. Fix later. 1676 */ 1677 error = dcopyout(l, &klwp, dp, 1678 min(sizeof(klwp), elem_size)); 1679 if (error) 1680 goto cleanup; 1681 dp += elem_size; 1682 buflen -= elem_size; 1683 elem_count--; 1684 } 1685 needed += elem_size; 1686 } 1687 } else { 1688 p = p_find(pid, PFIND_LOCKED); 1689 if (p == NULL) { 1690 mutex_exit(&proclist_lock); 1691 return (ESRCH); 1692 } 1693 mutex_enter(&p->p_smutex); 1694 LIST_FOREACH(l2, &p->p_lwps, l_sibling) { 1695 if (buflen >= elem_size && elem_count > 0) { 1696 lwp_lock(l2); 1697 fill_lwp(l2, &klwp); 1698 lwp_unlock(l2); 1699 1700 /* 1701 * Copy out elem_size, but not larger than 1702 * the size of a struct kinfo_proc2. 1703 * 1704 * XXX We should not be holding p_smutex, but 1705 * for now, the buffer is wired. Fix later. 1706 */ 1707 error = dcopyout(l, &klwp, dp, 1708 min(sizeof(klwp), elem_size)); 1709 if (error) 1710 goto cleanup; 1711 dp += elem_size; 1712 buflen -= elem_size; 1713 elem_count--; 1714 } 1715 needed += elem_size; 1716 } 1717 mutex_exit(&p->p_smutex); 1718 } 1719 mutex_exit(&proclist_lock); 1720 1721 if (where != NULL) { 1722 *oldlenp = dp - where; 1723 if (needed > *oldlenp) 1724 return (ENOMEM); 1725 } else { 1726 needed += KERN_LWPSLOP; 1727 *oldlenp = needed; 1728 } 1729 return (0); 1730 cleanup: 1731 return (error); 1732 } 1733 1734 /* 1735 * sysctl helper routine for kern.forkfsleep node. ensures that the 1736 * given value is not too large or two small, and is at least one 1737 * timer tick if not zero. 1738 */ 1739 static int 1740 sysctl_kern_forkfsleep(SYSCTLFN_ARGS) 1741 { 1742 /* userland sees value in ms, internally is in ticks */ 1743 extern int forkfsleep; /* defined in kern/kern_fork.c */ 1744 int error, timo, lsleep; 1745 struct sysctlnode node; 1746 1747 lsleep = forkfsleep * 1000 / hz; 1748 node = *rnode; 1749 node.sysctl_data = &lsleep; 1750 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1751 if (error || newp == NULL) 1752 return (error); 1753 1754 /* refuse negative values, and overly 'long time' */ 1755 if (lsleep < 0 || lsleep > MAXSLP * 1000) 1756 return (EINVAL); 1757 1758 timo = mstohz(lsleep); 1759 1760 /* if the interval is >0 ms && <1 tick, use 1 tick */ 1761 if (lsleep != 0 && timo == 0) 1762 forkfsleep = 1; 1763 else 1764 forkfsleep = timo; 1765 1766 return (0); 1767 } 1768 1769 /* 1770 * sysctl helper routine for kern.root_partition 1771 */ 1772 static int 1773 sysctl_kern_root_partition(SYSCTLFN_ARGS) 1774 { 1775 int rootpart = DISKPART(rootdev); 1776 struct sysctlnode node = *rnode; 1777 1778 node.sysctl_data = &rootpart; 1779 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1780 } 1781 1782 /* 1783 * sysctl helper function for kern.drivers 1784 */ 1785 static int 1786 sysctl_kern_drivers(SYSCTLFN_ARGS) 1787 { 1788 int error; 1789 size_t buflen; 1790 struct kinfo_drivers kd; 1791 char *start, *where; 1792 const char *dname; 1793 int i; 1794 extern struct devsw_conv *devsw_conv; 1795 extern int max_devsw_convs; 1796 1797 if (newp != NULL || namelen != 0) 1798 return (EINVAL); 1799 1800 start = where = oldp; 1801 buflen = *oldlenp; 1802 if (where == NULL) { 1803 *oldlenp = max_devsw_convs * sizeof kd; 1804 return 0; 1805 } 1806 1807 /* 1808 * An array of kinfo_drivers structures 1809 */ 1810 error = 0; 1811 for (i = 0; i < max_devsw_convs; i++) { 1812 dname = devsw_conv[i].d_name; 1813 if (dname == NULL) 1814 continue; 1815 if (buflen < sizeof kd) { 1816 error = ENOMEM; 1817 break; 1818 } 1819 memset(&kd, 0, sizeof(kd)); 1820 kd.d_bmajor = devsw_conv[i].d_bmajor; 1821 kd.d_cmajor = devsw_conv[i].d_cmajor; 1822 strlcpy(kd.d_name, dname, sizeof kd.d_name); 1823 error = dcopyout(l, &kd, where, sizeof kd); 1824 if (error != 0) 1825 break; 1826 buflen -= sizeof kd; 1827 where += sizeof kd; 1828 } 1829 *oldlenp = where - start; 1830 return error; 1831 } 1832 1833 /* 1834 * sysctl helper function for kern.file2 1835 */ 1836 static int 1837 sysctl_kern_file2(SYSCTLFN_ARGS) 1838 { 1839 struct proc *p; 1840 struct file *fp; 1841 struct filedesc *fd; 1842 struct kinfo_file kf; 1843 char *dp; 1844 u_int i, op; 1845 size_t len, needed, elem_size, out_size; 1846 int error, arg, elem_count; 1847 1848 if (namelen == 1 && name[0] == CTL_QUERY) 1849 return (sysctl_query(SYSCTLFN_CALL(rnode))); 1850 1851 if (namelen != 4) 1852 return (EINVAL); 1853 1854 error = 0; 1855 dp = oldp; 1856 len = (oldp != NULL) ? *oldlenp : 0; 1857 op = name[0]; 1858 arg = name[1]; 1859 elem_size = name[2]; 1860 elem_count = name[3]; 1861 out_size = MIN(sizeof(kf), elem_size); 1862 needed = 0; 1863 1864 if (elem_size < 1 || elem_count < 0) 1865 return (EINVAL); 1866 1867 switch (op) { 1868 case KERN_FILE_BYFILE: 1869 /* 1870 * doesn't use arg so it must be zero 1871 */ 1872 if (arg != 0) 1873 return (EINVAL); 1874 LIST_FOREACH(fp, &filehead, f_list) { 1875 if (kauth_authorize_generic(l->l_cred, 1876 KAUTH_GENERIC_CANSEE, fp->f_cred) != 0) 1877 continue; 1878 if (len >= elem_size && elem_count > 0) { 1879 fill_file(&kf, fp, NULL, 0); 1880 error = dcopyout(l, &kf, dp, out_size); 1881 if (error) 1882 break; 1883 dp += elem_size; 1884 len -= elem_size; 1885 } 1886 if (elem_count > 0) { 1887 needed += elem_size; 1888 if (elem_count != INT_MAX) 1889 elem_count--; 1890 } 1891 } 1892 break; 1893 case KERN_FILE_BYPID: 1894 if (arg < -1) 1895 /* -1 means all processes */ 1896 return (EINVAL); 1897 mutex_enter(&proclist_lock); 1898 PROCLIST_FOREACH(p, &allproc) { 1899 if (p->p_stat == SIDL) 1900 /* skip embryonic processes */ 1901 continue; 1902 if (kauth_authorize_process(l->l_cred, 1903 KAUTH_PROCESS_CANSEE, p, NULL, NULL, NULL) != 0) 1904 continue; 1905 if (arg > 0 && p->p_pid != arg) 1906 /* pick only the one we want */ 1907 /* XXX want 0 to mean "kernel files" */ 1908 continue; 1909 fd = p->p_fd; 1910 for (i = 0; i < fd->fd_nfiles; i++) { 1911 fp = fd->fd_ofiles[i]; 1912 if (fp == NULL || !FILE_IS_USABLE(fp)) 1913 continue; 1914 if (len >= elem_size && elem_count > 0) { 1915 fill_file(&kf, fd->fd_ofiles[i], 1916 p, i); 1917 error = dcopyout(l, &kf, dp, out_size); 1918 if (error) 1919 break; 1920 dp += elem_size; 1921 len -= elem_size; 1922 } 1923 if (elem_count > 0) { 1924 needed += elem_size; 1925 if (elem_count != INT_MAX) 1926 elem_count--; 1927 } 1928 } 1929 } 1930 mutex_exit(&proclist_lock); 1931 break; 1932 default: 1933 return (EINVAL); 1934 } 1935 1936 if (oldp == NULL) 1937 needed += KERN_FILESLOP * elem_size; 1938 *oldlenp = needed; 1939 1940 return (error); 1941 } 1942 1943 static void 1944 fill_file(struct kinfo_file *kp, const struct file *fp, struct proc *p, int i) 1945 { 1946 1947 memset(kp, 0, sizeof(*kp)); 1948 1949 kp->ki_fileaddr = PTRTOUINT64(fp); 1950 kp->ki_flag = fp->f_flag; 1951 kp->ki_iflags = fp->f_iflags; 1952 kp->ki_ftype = fp->f_type; 1953 kp->ki_count = fp->f_count; 1954 kp->ki_msgcount = fp->f_msgcount; 1955 kp->ki_usecount = fp->f_usecount; 1956 kp->ki_fucred = PTRTOUINT64(fp->f_cred); 1957 kp->ki_fuid = kauth_cred_geteuid(fp->f_cred); 1958 kp->ki_fgid = kauth_cred_getegid(fp->f_cred); 1959 kp->ki_fops = PTRTOUINT64(fp->f_ops); 1960 kp->ki_foffset = fp->f_offset; 1961 kp->ki_fdata = PTRTOUINT64(fp->f_data); 1962 1963 /* vnode information to glue this file to something */ 1964 if (fp->f_type == DTYPE_VNODE) { 1965 struct vnode *vp = (struct vnode *)fp->f_data; 1966 1967 kp->ki_vun = PTRTOUINT64(vp->v_un.vu_socket); 1968 kp->ki_vsize = vp->v_size; 1969 kp->ki_vtype = vp->v_type; 1970 kp->ki_vtag = vp->v_tag; 1971 kp->ki_vdata = PTRTOUINT64(vp->v_data); 1972 } 1973 1974 /* process information when retrieved via KERN_FILE_BYPID */ 1975 if (p) { 1976 kp->ki_pid = p->p_pid; 1977 kp->ki_fd = i; 1978 kp->ki_ofileflags = p->p_fd->fd_ofileflags[i]; 1979 } 1980 } 1981 1982 static int 1983 sysctl_doeproc(SYSCTLFN_ARGS) 1984 { 1985 struct eproc *eproc; 1986 struct kinfo_proc2 *kproc2; 1987 struct kinfo_proc *dp; 1988 struct proc *p; 1989 const struct proclist_desc *pd; 1990 char *where, *dp2; 1991 int type, op, arg; 1992 u_int elem_size, elem_count; 1993 size_t buflen, needed; 1994 int error; 1995 1996 if (namelen == 1 && name[0] == CTL_QUERY) 1997 return (sysctl_query(SYSCTLFN_CALL(rnode))); 1998 1999 dp = oldp; 2000 dp2 = where = oldp; 2001 buflen = where != NULL ? *oldlenp : 0; 2002 error = 0; 2003 needed = 0; 2004 type = rnode->sysctl_num; 2005 2006 if (type == KERN_PROC) { 2007 if (namelen != 2 && !(namelen == 1 && name[0] == KERN_PROC_ALL)) 2008 return (EINVAL); 2009 op = name[0]; 2010 if (op != KERN_PROC_ALL) 2011 arg = name[1]; 2012 else 2013 arg = 0; /* Quell compiler warning */ 2014 elem_size = elem_count = 0; /* Ditto */ 2015 } else { 2016 if (namelen != 4) 2017 return (EINVAL); 2018 op = name[0]; 2019 arg = name[1]; 2020 elem_size = name[2]; 2021 elem_count = name[3]; 2022 } 2023 2024 if (type == KERN_PROC) { 2025 eproc = malloc(sizeof(*eproc), M_TEMP, M_WAITOK); 2026 kproc2 = NULL; 2027 } else { 2028 eproc = NULL; 2029 kproc2 = malloc(sizeof(*kproc2), M_TEMP, M_WAITOK); 2030 } 2031 mutex_enter(&proclist_lock); 2032 2033 pd = proclists; 2034 again: 2035 PROCLIST_FOREACH(p, pd->pd_list) { 2036 /* 2037 * Skip embryonic processes. 2038 */ 2039 if (p->p_stat == SIDL) 2040 continue; 2041 2042 if (kauth_authorize_process(l->l_cred, 2043 KAUTH_PROCESS_CANSEE, p, NULL, NULL, NULL) != 0) 2044 continue; 2045 2046 /* 2047 * TODO - make more efficient (see notes below). 2048 * do by session. 2049 */ 2050 switch (op) { 2051 2052 case KERN_PROC_PID: 2053 /* could do this with just a lookup */ 2054 if (p->p_pid != (pid_t)arg) 2055 continue; 2056 break; 2057 2058 case KERN_PROC_PGRP: 2059 /* could do this by traversing pgrp */ 2060 if (p->p_pgrp->pg_id != (pid_t)arg) 2061 continue; 2062 break; 2063 2064 case KERN_PROC_SESSION: 2065 if (p->p_session->s_sid != (pid_t)arg) 2066 continue; 2067 break; 2068 2069 case KERN_PROC_TTY: 2070 if (arg == (int) KERN_PROC_TTY_REVOKE) { 2071 if ((p->p_lflag & PL_CONTROLT) == 0 || 2072 p->p_session->s_ttyp == NULL || 2073 p->p_session->s_ttyvp != NULL) 2074 continue; 2075 } else if ((p->p_lflag & PL_CONTROLT) == 0 || 2076 p->p_session->s_ttyp == NULL) { 2077 if ((dev_t)arg != KERN_PROC_TTY_NODEV) 2078 continue; 2079 } else if (p->p_session->s_ttyp->t_dev != (dev_t)arg) 2080 continue; 2081 break; 2082 2083 case KERN_PROC_UID: 2084 if (kauth_cred_geteuid(p->p_cred) != (uid_t)arg) 2085 continue; 2086 break; 2087 2088 case KERN_PROC_RUID: 2089 if (kauth_cred_getuid(p->p_cred) != (uid_t)arg) 2090 continue; 2091 break; 2092 2093 case KERN_PROC_GID: 2094 if (kauth_cred_getegid(p->p_cred) != (uid_t)arg) 2095 continue; 2096 break; 2097 2098 case KERN_PROC_RGID: 2099 if (kauth_cred_getgid(p->p_cred) != (uid_t)arg) 2100 continue; 2101 break; 2102 2103 case KERN_PROC_ALL: 2104 /* allow everything */ 2105 break; 2106 2107 default: 2108 error = EINVAL; 2109 goto cleanup; 2110 } 2111 if (type == KERN_PROC) { 2112 if (buflen >= sizeof(struct kinfo_proc)) { 2113 fill_eproc(p, eproc); 2114 error = dcopyout(l, p, &dp->kp_proc, 2115 sizeof(struct proc)); 2116 if (error) 2117 goto cleanup; 2118 error = dcopyout(l, eproc, &dp->kp_eproc, 2119 sizeof(*eproc)); 2120 if (error) 2121 goto cleanup; 2122 dp++; 2123 buflen -= sizeof(struct kinfo_proc); 2124 } 2125 needed += sizeof(struct kinfo_proc); 2126 } else { /* KERN_PROC2 */ 2127 if (buflen >= elem_size && elem_count > 0) { 2128 fill_kproc2(p, kproc2); 2129 /* 2130 * Copy out elem_size, but not larger than 2131 * the size of a struct kinfo_proc2. 2132 */ 2133 error = dcopyout(l, kproc2, dp2, 2134 min(sizeof(*kproc2), elem_size)); 2135 if (error) 2136 goto cleanup; 2137 dp2 += elem_size; 2138 buflen -= elem_size; 2139 elem_count--; 2140 } 2141 needed += elem_size; 2142 } 2143 } 2144 pd++; 2145 if (pd->pd_list != NULL) 2146 goto again; 2147 mutex_exit(&proclist_lock); 2148 2149 if (where != NULL) { 2150 if (type == KERN_PROC) 2151 *oldlenp = (char *)dp - where; 2152 else 2153 *oldlenp = dp2 - where; 2154 if (needed > *oldlenp) { 2155 error = ENOMEM; 2156 goto out; 2157 } 2158 } else { 2159 needed += KERN_PROCSLOP; 2160 *oldlenp = needed; 2161 } 2162 if (kproc2) 2163 free(kproc2, M_TEMP); 2164 if (eproc) 2165 free(eproc, M_TEMP); 2166 return 0; 2167 cleanup: 2168 mutex_exit(&proclist_lock); 2169 out: 2170 if (kproc2) 2171 free(kproc2, M_TEMP); 2172 if (eproc) 2173 free(eproc, M_TEMP); 2174 return error; 2175 } 2176 2177 /* 2178 * sysctl helper routine for kern.proc_args pseudo-subtree. 2179 */ 2180 static int 2181 sysctl_kern_proc_args(SYSCTLFN_ARGS) 2182 { 2183 struct ps_strings pss; 2184 struct proc *p; 2185 size_t len, i; 2186 struct uio auio; 2187 struct iovec aiov; 2188 pid_t pid; 2189 int nargv, type, error; 2190 char *arg; 2191 char **argv = NULL; 2192 char *tmp; 2193 struct vmspace *vmspace; 2194 vaddr_t psstr_addr; 2195 vaddr_t offsetn; 2196 vaddr_t offsetv; 2197 2198 if (namelen == 1 && name[0] == CTL_QUERY) 2199 return (sysctl_query(SYSCTLFN_CALL(rnode))); 2200 2201 if (newp != NULL || namelen != 2) 2202 return (EINVAL); 2203 pid = name[0]; 2204 type = name[1]; 2205 2206 switch (type) { 2207 case KERN_PROC_ARGV: 2208 case KERN_PROC_NARGV: 2209 case KERN_PROC_ENV: 2210 case KERN_PROC_NENV: 2211 /* ok */ 2212 break; 2213 default: 2214 return (EINVAL); 2215 } 2216 2217 mutex_enter(&proclist_lock); 2218 2219 /* check pid */ 2220 if ((p = p_find(pid, PFIND_LOCKED)) == NULL) { 2221 error = EINVAL; 2222 goto out_locked; 2223 } 2224 2225 error = kauth_authorize_process(l->l_cred, 2226 KAUTH_PROCESS_CANSEE, p, NULL, NULL, NULL); 2227 if (error) { 2228 goto out_locked; 2229 } 2230 2231 /* only root or same user change look at the environment */ 2232 if (type == KERN_PROC_ENV || type == KERN_PROC_NENV) { 2233 if (kauth_authorize_generic(l->l_cred, KAUTH_GENERIC_ISSUSER, 2234 NULL) != 0) { 2235 if (kauth_cred_getuid(l->l_cred) != 2236 kauth_cred_getuid(p->p_cred) || 2237 kauth_cred_getuid(l->l_cred) != 2238 kauth_cred_getsvuid(p->p_cred)) { 2239 error = EPERM; 2240 goto out_locked; 2241 } 2242 } 2243 } 2244 2245 if (oldp == NULL) { 2246 if (type == KERN_PROC_NARGV || type == KERN_PROC_NENV) 2247 *oldlenp = sizeof (int); 2248 else 2249 *oldlenp = ARG_MAX; /* XXX XXX XXX */ 2250 error = 0; 2251 goto out_locked; 2252 } 2253 2254 /* 2255 * Zombies don't have a stack, so we can't read their psstrings. 2256 * System processes also don't have a user stack. 2257 */ 2258 if (P_ZOMBIE(p) || (p->p_flag & PK_SYSTEM) != 0) { 2259 error = EINVAL; 2260 goto out_locked; 2261 } 2262 2263 /* 2264 * Lock the process down in memory. 2265 */ 2266 /* XXXCDC: how should locking work here? */ 2267 if ((l->l_flag & LW_WEXIT) || (p->p_vmspace->vm_refcnt < 1)) { 2268 error = EFAULT; 2269 goto out_locked; 2270 } 2271 2272 psstr_addr = (vaddr_t)p->p_psstr; 2273 if (type == KERN_PROC_ARGV || type == KERN_PROC_NARGV) { 2274 offsetn = p->p_psnargv; 2275 offsetv = p->p_psargv; 2276 } else { 2277 offsetn = p->p_psnenv; 2278 offsetv = p->p_psenv; 2279 } 2280 vmspace = p->p_vmspace; 2281 vmspace->vm_refcnt++; /* XXX */ 2282 2283 mutex_exit(&proclist_lock); 2284 2285 /* 2286 * Allocate a temporary buffer to hold the arguments. 2287 */ 2288 arg = malloc(PAGE_SIZE, M_TEMP, M_WAITOK); 2289 2290 /* 2291 * Read in the ps_strings structure. 2292 */ 2293 aiov.iov_base = &pss; 2294 aiov.iov_len = sizeof(pss); 2295 auio.uio_iov = &aiov; 2296 auio.uio_iovcnt = 1; 2297 auio.uio_offset = psstr_addr; 2298 auio.uio_resid = sizeof(pss); 2299 auio.uio_rw = UIO_READ; 2300 UIO_SETUP_SYSSPACE(&auio); 2301 error = uvm_io(&vmspace->vm_map, &auio); 2302 if (error) 2303 goto done; 2304 2305 memcpy(&nargv, (char *)&pss + offsetn, sizeof(nargv)); 2306 if (type == KERN_PROC_NARGV || type == KERN_PROC_NENV) { 2307 error = dcopyout(l, &nargv, oldp, sizeof(nargv)); 2308 *oldlenp = sizeof(nargv); 2309 goto done; 2310 } 2311 /* 2312 * Now read the address of the argument vector. 2313 */ 2314 switch (type) { 2315 case KERN_PROC_ARGV: 2316 /* FALLTHROUGH */ 2317 case KERN_PROC_ENV: 2318 memcpy(&tmp, (char *)&pss + offsetv, sizeof(tmp)); 2319 break; 2320 default: 2321 return (EINVAL); 2322 } 2323 2324 #ifdef COMPAT_NETBSD32 2325 if (p->p_flag & PK_32) 2326 len = sizeof(netbsd32_charp) * nargv; 2327 else 2328 #endif 2329 len = sizeof(char *) * nargv; 2330 2331 argv = malloc(len, M_TEMP, M_WAITOK); 2332 2333 aiov.iov_base = argv; 2334 aiov.iov_len = len; 2335 auio.uio_iov = &aiov; 2336 auio.uio_iovcnt = 1; 2337 auio.uio_offset = (off_t)(unsigned long)tmp; 2338 auio.uio_resid = len; 2339 auio.uio_rw = UIO_READ; 2340 UIO_SETUP_SYSSPACE(&auio); 2341 error = uvm_io(&vmspace->vm_map, &auio); 2342 if (error) 2343 goto done; 2344 2345 /* 2346 * Now copy each string. 2347 */ 2348 len = 0; /* bytes written to user buffer */ 2349 for (i = 0; i < nargv; i++) { 2350 int finished = 0; 2351 vaddr_t base; 2352 size_t xlen; 2353 int j; 2354 2355 #ifdef COMPAT_NETBSD32 2356 if (p->p_flag & PK_32) { 2357 netbsd32_charp *argv32; 2358 2359 argv32 = (netbsd32_charp *)argv; 2360 2361 base = (vaddr_t)NETBSD32PTR64(argv32[i]); 2362 } else 2363 #endif 2364 base = (vaddr_t)argv[i]; 2365 2366 while (!finished) { 2367 xlen = PAGE_SIZE - (base & PAGE_MASK); 2368 2369 aiov.iov_base = arg; 2370 aiov.iov_len = PAGE_SIZE; 2371 auio.uio_iov = &aiov; 2372 auio.uio_iovcnt = 1; 2373 auio.uio_offset = base; 2374 auio.uio_resid = xlen; 2375 auio.uio_rw = UIO_READ; 2376 UIO_SETUP_SYSSPACE(&auio); 2377 error = uvm_io(&vmspace->vm_map, &auio); 2378 if (error) 2379 goto done; 2380 2381 /* Look for the end of the string */ 2382 for (j = 0; j < xlen; j++) { 2383 if (arg[j] == '\0') { 2384 xlen = j + 1; 2385 finished = 1; 2386 break; 2387 } 2388 } 2389 2390 /* Check for user buffer overflow */ 2391 if (len + xlen > *oldlenp) { 2392 finished = 1; 2393 if (len > *oldlenp) 2394 xlen = 0; 2395 else 2396 xlen = *oldlenp - len; 2397 } 2398 2399 /* Copyout the page */ 2400 error = dcopyout(l, arg, (char *)oldp + len, xlen); 2401 if (error) 2402 goto done; 2403 2404 len += xlen; 2405 base += xlen; 2406 } 2407 } 2408 *oldlenp = len; 2409 2410 done: 2411 if (argv != NULL) 2412 free(argv, M_TEMP); 2413 2414 uvmspace_free(vmspace); 2415 2416 free(arg, M_TEMP); 2417 return error; 2418 2419 out_locked: 2420 mutex_exit(&proclist_lock); 2421 return error; 2422 } 2423 2424 static int 2425 sysctl_security_setidcore(SYSCTLFN_ARGS) 2426 { 2427 int newsize, error; 2428 struct sysctlnode node; 2429 2430 node = *rnode; 2431 node.sysctl_data = &newsize; 2432 newsize = *(int *)rnode->sysctl_data; 2433 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 2434 if (error || newp == NULL) 2435 return error; 2436 2437 if (kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_SETIDCORE, 2438 0, NULL, NULL, NULL)) 2439 return (EPERM); 2440 2441 *(int *)rnode->sysctl_data = newsize; 2442 2443 return 0; 2444 } 2445 2446 static int 2447 sysctl_security_setidcorename(SYSCTLFN_ARGS) 2448 { 2449 int error; 2450 char *newsetidcorename; 2451 struct sysctlnode node; 2452 2453 newsetidcorename = PNBUF_GET(); 2454 node = *rnode; 2455 node.sysctl_data = newsetidcorename; 2456 memcpy(node.sysctl_data, rnode->sysctl_data, MAXPATHLEN); 2457 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 2458 if (error || newp == NULL) { 2459 goto out; 2460 } 2461 if (kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_SETIDCORE, 2462 0, NULL, NULL, NULL)) { 2463 error = EPERM; 2464 goto out; 2465 } 2466 if (strlen(newsetidcorename) == 0) { 2467 error = EINVAL; 2468 goto out; 2469 } 2470 memcpy(rnode->sysctl_data, node.sysctl_data, MAXPATHLEN); 2471 out: 2472 PNBUF_PUT(newsetidcorename); 2473 return error; 2474 } 2475 2476 /* 2477 * sysctl helper routine for kern.cp_id node. maps cpus to their 2478 * cpuids. 2479 */ 2480 static int 2481 sysctl_kern_cpid(SYSCTLFN_ARGS) 2482 { 2483 struct sysctlnode node = *rnode; 2484 2485 #ifndef MULTIPROCESSOR 2486 uint64_t id; 2487 2488 if (namelen == 1) { 2489 if (name[0] != 0) 2490 return (ENOENT); 2491 /* 2492 * you're allowed to ask for the zero'th processor 2493 */ 2494 name++; 2495 namelen--; 2496 } 2497 node.sysctl_data = &id; 2498 node.sysctl_size = sizeof(id); 2499 id = cpu_number(); 2500 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2501 2502 #else /* MULTIPROCESSOR */ 2503 uint64_t *cp_id = NULL; 2504 int error, n = ncpu; 2505 struct cpu_info *ci; 2506 CPU_INFO_ITERATOR cii; 2507 2508 /* 2509 * here you may either retrieve a single cpu id or the whole 2510 * set. the size you get back when probing depends on what 2511 * you ask for. 2512 */ 2513 switch (namelen) { 2514 case 0: 2515 node.sysctl_size = n * sizeof(uint64_t); 2516 n = -2; /* ALL */ 2517 break; 2518 case 1: 2519 if (name[0] < 0 || name[0] >= n) 2520 return (ENOENT); /* ENOSUCHPROCESSOR */ 2521 node.sysctl_size = sizeof(uint64_t); 2522 n = name[0]; 2523 /* 2524 * adjust these so that sysctl_lookup() will be happy 2525 */ 2526 name++; 2527 namelen--; 2528 break; 2529 default: 2530 return (EINVAL); 2531 } 2532 2533 cp_id = malloc(node.sysctl_size, M_TEMP, M_WAITOK|M_CANFAIL); 2534 if (cp_id == NULL) 2535 return (ENOMEM); 2536 node.sysctl_data = cp_id; 2537 memset(cp_id, 0, node.sysctl_size); 2538 2539 for (CPU_INFO_FOREACH(cii, ci)) { 2540 if (n <= 0) 2541 cp_id[0] = ci->ci_cpuid; 2542 /* 2543 * if a specific processor was requested and we just 2544 * did it, we're done here 2545 */ 2546 if (n == 0) 2547 break; 2548 /* 2549 * if doing "all", skip to next cp_id slot for next processor 2550 */ 2551 if (n == -2) 2552 cp_id++; 2553 /* 2554 * if we're doing a specific processor, we're one 2555 * processor closer 2556 */ 2557 if (n > 0) 2558 n--; 2559 } 2560 2561 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 2562 free(node.sysctl_data, M_TEMP); 2563 return (error); 2564 2565 #endif /* MULTIPROCESSOR */ 2566 } 2567 2568 /* 2569 * sysctl helper routine for hw.usermem and hw.usermem64. values are 2570 * calculate on the fly taking into account integer overflow and the 2571 * current wired count. 2572 */ 2573 static int 2574 sysctl_hw_usermem(SYSCTLFN_ARGS) 2575 { 2576 u_int ui; 2577 u_quad_t uq; 2578 struct sysctlnode node; 2579 2580 node = *rnode; 2581 switch (rnode->sysctl_num) { 2582 case HW_USERMEM: 2583 if ((ui = physmem - uvmexp.wired) > (UINT_MAX / PAGE_SIZE)) 2584 ui = UINT_MAX; 2585 else 2586 ui *= PAGE_SIZE; 2587 node.sysctl_data = &ui; 2588 break; 2589 case HW_USERMEM64: 2590 uq = (u_quad_t)(physmem - uvmexp.wired) * PAGE_SIZE; 2591 node.sysctl_data = &uq; 2592 break; 2593 default: 2594 return (EINVAL); 2595 } 2596 2597 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2598 } 2599 2600 /* 2601 * sysctl helper routine for kern.cnmagic node. pulls the old value 2602 * out, encoded, and stuffs the new value in for decoding. 2603 */ 2604 static int 2605 sysctl_hw_cnmagic(SYSCTLFN_ARGS) 2606 { 2607 char magic[CNS_LEN]; 2608 int error; 2609 struct sysctlnode node; 2610 2611 if (oldp) 2612 cn_get_magic(magic, CNS_LEN); 2613 node = *rnode; 2614 node.sysctl_data = &magic[0]; 2615 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 2616 if (error || newp == NULL) 2617 return (error); 2618 2619 return (cn_set_magic(magic)); 2620 } 2621 2622 static int 2623 sysctl_hw_ncpu(SYSCTLFN_ARGS) 2624 { 2625 struct sysctlnode node; 2626 2627 node = *rnode; 2628 node.sysctl_data = &ncpu; 2629 2630 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2631 } 2632 2633 2634 /* 2635 * ******************************************************************** 2636 * section 3: public helper routines that are used for more than one 2637 * node 2638 * ******************************************************************** 2639 */ 2640 2641 /* 2642 * sysctl helper routine for the kern.root_device node and some ports' 2643 * machdep.root_device nodes. 2644 */ 2645 int 2646 sysctl_root_device(SYSCTLFN_ARGS) 2647 { 2648 struct sysctlnode node; 2649 2650 node = *rnode; 2651 node.sysctl_data = root_device->dv_xname; 2652 node.sysctl_size = strlen(root_device->dv_xname) + 1; 2653 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2654 } 2655 2656 /* 2657 * sysctl helper routine for kern.consdev, dependent on the current 2658 * state of the console. also used for machdep.console_device on some 2659 * ports. 2660 */ 2661 int 2662 sysctl_consdev(SYSCTLFN_ARGS) 2663 { 2664 dev_t consdev; 2665 struct sysctlnode node; 2666 2667 if (cn_tab != NULL) 2668 consdev = cn_tab->cn_dev; 2669 else 2670 consdev = NODEV; 2671 node = *rnode; 2672 node.sysctl_data = &consdev; 2673 node.sysctl_size = sizeof(consdev); 2674 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2675 } 2676 2677 /* 2678 * ******************************************************************** 2679 * section 4: support for some helpers 2680 * ******************************************************************** 2681 */ 2682 2683 /* 2684 * Fill in a kinfo_proc2 structure for the specified process. 2685 */ 2686 static void 2687 fill_kproc2(struct proc *p, struct kinfo_proc2 *ki) 2688 { 2689 struct tty *tp; 2690 struct lwp *l, *l2; 2691 struct timeval ut, st, rt; 2692 sigset_t ss1, ss2; 2693 2694 memset(ki, 0, sizeof(*ki)); 2695 2696 ki->p_paddr = PTRTOUINT64(p); 2697 ki->p_fd = PTRTOUINT64(p->p_fd); 2698 ki->p_cwdi = PTRTOUINT64(p->p_cwdi); 2699 ki->p_stats = PTRTOUINT64(p->p_stats); 2700 ki->p_limit = PTRTOUINT64(p->p_limit); 2701 ki->p_vmspace = PTRTOUINT64(p->p_vmspace); 2702 ki->p_sigacts = PTRTOUINT64(p->p_sigacts); 2703 ki->p_sess = PTRTOUINT64(p->p_session); 2704 ki->p_tsess = 0; /* may be changed if controlling tty below */ 2705 ki->p_ru = PTRTOUINT64(&p->p_stats->p_ru); 2706 2707 ki->p_eflag = 0; 2708 ki->p_exitsig = p->p_exitsig; 2709 2710 ki->p_flag = sysctl_map_flags(sysctl_flagmap, p->p_flag); 2711 ki->p_flag |= sysctl_map_flags(sysctl_sflagmap, p->p_sflag); 2712 ki->p_flag |= sysctl_map_flags(sysctl_slflagmap, p->p_slflag); 2713 ki->p_flag |= sysctl_map_flags(sysctl_lflagmap, p->p_lflag); 2714 ki->p_flag |= sysctl_map_flags(sysctl_stflagmap, p->p_stflag); 2715 2716 ki->p_pid = p->p_pid; 2717 if (p->p_pptr) 2718 ki->p_ppid = p->p_pptr->p_pid; 2719 else 2720 ki->p_ppid = 0; 2721 ki->p_sid = p->p_session->s_sid; 2722 ki->p__pgid = p->p_pgrp->pg_id; 2723 2724 ki->p_tpgid = NO_PGID; /* may be changed if controlling tty below */ 2725 2726 ki->p_uid = kauth_cred_geteuid(p->p_cred); 2727 ki->p_ruid = kauth_cred_getuid(p->p_cred); 2728 ki->p_gid = kauth_cred_getegid(p->p_cred); 2729 ki->p_rgid = kauth_cred_getgid(p->p_cred); 2730 ki->p_svuid = kauth_cred_getsvuid(p->p_cred); 2731 ki->p_svgid = kauth_cred_getsvgid(p->p_cred); 2732 2733 ki->p_ngroups = kauth_cred_ngroups(p->p_cred); 2734 kauth_cred_getgroups(p->p_cred, ki->p_groups, 2735 min(ki->p_ngroups, sizeof(ki->p_groups) / sizeof(ki->p_groups[0])), 2736 UIO_SYSSPACE); 2737 2738 ki->p_jobc = p->p_pgrp->pg_jobc; 2739 if ((p->p_lflag & PL_CONTROLT) && (tp = p->p_session->s_ttyp)) { 2740 ki->p_tdev = tp->t_dev; 2741 ki->p_tpgid = tp->t_pgrp ? tp->t_pgrp->pg_id : NO_PGID; 2742 ki->p_tsess = PTRTOUINT64(tp->t_session); 2743 } else { 2744 ki->p_tdev = NODEV; 2745 } 2746 2747 ki->p_estcpu = p->p_estcpu; 2748 2749 mutex_enter(&p->p_smutex); 2750 2751 ki->p_uticks = p->p_uticks; 2752 ki->p_sticks = p->p_sticks; 2753 ki->p_iticks = p->p_iticks; 2754 2755 ki->p_tracep = PTRTOUINT64(p->p_tracep); 2756 ki->p_traceflag = p->p_traceflag; 2757 2758 memcpy(&ki->p_sigignore, &p->p_sigctx.ps_sigignore,sizeof(ki_sigset_t)); 2759 memcpy(&ki->p_sigcatch, &p->p_sigctx.ps_sigcatch, sizeof(ki_sigset_t)); 2760 2761 ki->p_cpticks = 0; 2762 ki->p_pctcpu = p->p_pctcpu; 2763 ss1 = p->p_sigpend.sp_set; 2764 LIST_FOREACH(l, &p->p_lwps, l_sibling) { 2765 /* This is hardly correct, but... */ 2766 sigplusset(&l->l_sigpend.sp_set, &ss1); 2767 sigplusset(&l->l_sigmask, &ss2); 2768 ki->p_cpticks += l->l_cpticks; 2769 ki->p_pctcpu += l->l_pctcpu; 2770 } 2771 memcpy(&ki->p_siglist, &ss1, sizeof(ki_sigset_t)); 2772 memcpy(&ki->p_sigmask, &ss2, sizeof(ki_sigset_t)); 2773 2774 ki->p_stat = p->p_stat; /* Will likely be overridden by LWP status */ 2775 ki->p_realstat = p->p_stat; 2776 ki->p_nice = p->p_nice; 2777 2778 ki->p_xstat = p->p_xstat; 2779 ki->p_acflag = p->p_acflag; 2780 2781 strncpy(ki->p_comm, p->p_comm, 2782 min(sizeof(ki->p_comm), sizeof(p->p_comm))); 2783 2784 strncpy(ki->p_login, p->p_session->s_login, 2785 min(sizeof ki->p_login - 1, sizeof p->p_session->s_login)); 2786 2787 ki->p_nlwps = p->p_nlwps; 2788 ki->p_realflag = ki->p_flag; 2789 2790 if (p->p_stat == SIDL || P_ZOMBIE(p)) { 2791 ki->p_vm_rssize = 0; 2792 ki->p_vm_tsize = 0; 2793 ki->p_vm_dsize = 0; 2794 ki->p_vm_ssize = 0; 2795 ki->p_nrlwps = 0; 2796 l = NULL; 2797 } else { 2798 struct vmspace *vm = p->p_vmspace; 2799 int tmp; 2800 2801 ki->p_vm_rssize = vm_resident_count(vm); 2802 ki->p_vm_tsize = vm->vm_tsize; 2803 ki->p_vm_dsize = vm->vm_dsize; 2804 ki->p_vm_ssize = vm->vm_ssize; 2805 2806 /* Pick a "representative" LWP */ 2807 l = proc_representative_lwp(p, &tmp, 1); 2808 lwp_lock(l); 2809 ki->p_nrlwps = tmp; 2810 ki->p_forw = 0; 2811 ki->p_back = 0; 2812 ki->p_addr = PTRTOUINT64(l->l_addr); 2813 ki->p_stat = l->l_stat; 2814 ki->p_flag |= sysctl_map_flags(sysctl_lwpflagmap, l->l_flag); 2815 ki->p_swtime = l->l_swtime; 2816 ki->p_slptime = l->l_slptime; 2817 if (l->l_stat == LSONPROC) 2818 ki->p_schedflags = l->l_cpu->ci_schedstate.spc_flags; 2819 else 2820 ki->p_schedflags = 0; 2821 ki->p_holdcnt = l->l_holdcnt; 2822 ki->p_priority = l->l_priority; 2823 ki->p_usrpri = l->l_usrpri; 2824 if (l->l_wmesg) 2825 strncpy(ki->p_wmesg, l->l_wmesg, sizeof(ki->p_wmesg)); 2826 ki->p_wchan = PTRTOUINT64(l->l_wchan); 2827 lwp_unlock(l); 2828 } 2829 if (p->p_session->s_ttyvp) 2830 ki->p_eflag |= EPROC_CTTY; 2831 if (SESS_LEADER(p)) 2832 ki->p_eflag |= EPROC_SLEADER; 2833 2834 /* XXX Is this double check necessary? */ 2835 if (P_ZOMBIE(p)) { 2836 ki->p_uvalid = 0; 2837 ki->p_rtime_sec = 0; 2838 ki->p_rtime_usec = 0; 2839 } else { 2840 ki->p_uvalid = 1; 2841 2842 ki->p_ustart_sec = p->p_stats->p_start.tv_sec; 2843 ki->p_ustart_usec = p->p_stats->p_start.tv_usec; 2844 2845 calcru(p, &ut, &st, NULL, &rt); 2846 ki->p_rtime_sec = rt.tv_sec; 2847 ki->p_rtime_usec = rt.tv_usec; 2848 ki->p_uutime_sec = ut.tv_sec; 2849 ki->p_uutime_usec = ut.tv_usec; 2850 ki->p_ustime_sec = st.tv_sec; 2851 ki->p_ustime_usec = st.tv_usec; 2852 2853 ki->p_uru_maxrss = p->p_stats->p_ru.ru_maxrss; 2854 ki->p_uru_ixrss = p->p_stats->p_ru.ru_ixrss; 2855 ki->p_uru_idrss = p->p_stats->p_ru.ru_idrss; 2856 ki->p_uru_isrss = p->p_stats->p_ru.ru_isrss; 2857 ki->p_uru_minflt = p->p_stats->p_ru.ru_minflt; 2858 ki->p_uru_majflt = p->p_stats->p_ru.ru_majflt; 2859 ki->p_uru_nswap = p->p_stats->p_ru.ru_nswap; 2860 ki->p_uru_inblock = p->p_stats->p_ru.ru_inblock; 2861 ki->p_uru_oublock = p->p_stats->p_ru.ru_oublock; 2862 ki->p_uru_msgsnd = p->p_stats->p_ru.ru_msgsnd; 2863 ki->p_uru_msgrcv = p->p_stats->p_ru.ru_msgrcv; 2864 ki->p_uru_nsignals = p->p_stats->p_ru.ru_nsignals; 2865 2866 ki->p_uru_nvcsw = 0; 2867 ki->p_uru_nivcsw = 0; 2868 LIST_FOREACH(l2, &p->p_lwps, l_sibling) { 2869 ki->p_uru_nvcsw += (l->l_ncsw - l->l_nivcsw); 2870 ki->p_uru_nivcsw += l->l_nivcsw; 2871 } 2872 2873 timeradd(&p->p_stats->p_cru.ru_utime, 2874 &p->p_stats->p_cru.ru_stime, &ut); 2875 ki->p_uctime_sec = ut.tv_sec; 2876 ki->p_uctime_usec = ut.tv_usec; 2877 } 2878 #ifdef MULTIPROCESSOR 2879 if (l != NULL) 2880 ki->p_cpuid = l->l_cpu->ci_cpuid; 2881 else 2882 #endif 2883 ki->p_cpuid = KI_NOCPU; 2884 2885 mutex_exit(&p->p_smutex); 2886 } 2887 2888 /* 2889 * Fill in a kinfo_lwp structure for the specified lwp. 2890 */ 2891 static void 2892 fill_lwp(struct lwp *l, struct kinfo_lwp *kl) 2893 { 2894 struct proc *p = l->l_proc; 2895 2896 kl->l_forw = 0; 2897 kl->l_back = 0; 2898 kl->l_laddr = PTRTOUINT64(l); 2899 kl->l_addr = PTRTOUINT64(l->l_addr); 2900 kl->l_stat = l->l_stat; 2901 kl->l_lid = l->l_lid; 2902 kl->l_flag = sysctl_map_flags(sysctl_lwpprflagmap, l->l_prflag); 2903 2904 kl->l_swtime = l->l_swtime; 2905 kl->l_slptime = l->l_slptime; 2906 if (l->l_stat == LSONPROC) 2907 kl->l_schedflags = l->l_cpu->ci_schedstate.spc_flags; 2908 else 2909 kl->l_schedflags = 0; 2910 kl->l_holdcnt = l->l_holdcnt; 2911 kl->l_priority = l->l_priority; 2912 kl->l_usrpri = l->l_usrpri; 2913 if (l->l_wmesg) 2914 strncpy(kl->l_wmesg, l->l_wmesg, sizeof(kl->l_wmesg)); 2915 kl->l_wchan = PTRTOUINT64(l->l_wchan); 2916 #ifdef MULTIPROCESSOR 2917 kl->l_cpuid = l->l_cpu->ci_cpuid; 2918 #else 2919 kl->l_cpuid = KI_NOCPU; 2920 #endif 2921 kl->l_rtime_sec = l->l_rtime.tv_sec; 2922 kl->l_rtime_usec = l->l_rtime.tv_usec; 2923 kl->l_cpticks = l->l_cpticks; 2924 kl->l_pctcpu = l->l_pctcpu; 2925 kl->l_pid = p->p_pid; 2926 if (l->l_name == NULL) 2927 kl->l_name[0] = '\0'; 2928 else 2929 strlcpy(kl->l_name, l->l_name, sizeof(kl->l_name)); 2930 } 2931 2932 /* 2933 * Fill in an eproc structure for the specified process. 2934 */ 2935 void 2936 fill_eproc(struct proc *p, struct eproc *ep) 2937 { 2938 struct tty *tp; 2939 struct lwp *l; 2940 2941 ep->e_paddr = p; 2942 ep->e_sess = p->p_session; 2943 kauth_cred_topcred(p->p_cred, &ep->e_pcred); 2944 kauth_cred_toucred(p->p_cred, &ep->e_ucred); 2945 if (p->p_stat == SIDL || P_ZOMBIE(p)) { 2946 ep->e_vm.vm_rssize = 0; 2947 ep->e_vm.vm_tsize = 0; 2948 ep->e_vm.vm_dsize = 0; 2949 ep->e_vm.vm_ssize = 0; 2950 /* ep->e_vm.vm_pmap = XXX; */ 2951 } else { 2952 struct vmspace *vm = p->p_vmspace; 2953 2954 ep->e_vm.vm_rssize = vm_resident_count(vm); 2955 ep->e_vm.vm_tsize = vm->vm_tsize; 2956 ep->e_vm.vm_dsize = vm->vm_dsize; 2957 ep->e_vm.vm_ssize = vm->vm_ssize; 2958 2959 /* Pick a "representative" LWP */ 2960 mutex_enter(&p->p_smutex); 2961 l = proc_representative_lwp(p, NULL, 1); 2962 lwp_lock(l); 2963 if (l->l_wmesg) 2964 strncpy(ep->e_wmesg, l->l_wmesg, WMESGLEN); 2965 lwp_unlock(l); 2966 mutex_exit(&p->p_smutex); 2967 } 2968 if (p->p_pptr) 2969 ep->e_ppid = p->p_pptr->p_pid; 2970 else 2971 ep->e_ppid = 0; 2972 ep->e_pgid = p->p_pgrp->pg_id; 2973 ep->e_sid = ep->e_sess->s_sid; 2974 ep->e_jobc = p->p_pgrp->pg_jobc; 2975 if ((p->p_lflag & PL_CONTROLT) && 2976 (tp = ep->e_sess->s_ttyp)) { 2977 ep->e_tdev = tp->t_dev; 2978 ep->e_tpgid = tp->t_pgrp ? tp->t_pgrp->pg_id : NO_PGID; 2979 ep->e_tsess = tp->t_session; 2980 } else 2981 ep->e_tdev = NODEV; 2982 2983 ep->e_xsize = ep->e_xrssize = 0; 2984 ep->e_xccount = ep->e_xswrss = 0; 2985 ep->e_flag = ep->e_sess->s_ttyvp ? EPROC_CTTY : 0; 2986 if (SESS_LEADER(p)) 2987 ep->e_flag |= EPROC_SLEADER; 2988 strncpy(ep->e_login, ep->e_sess->s_login, MAXLOGNAME); 2989 } 2990 2991 u_int 2992 sysctl_map_flags(const u_int *map, u_int word) 2993 { 2994 u_int rv; 2995 2996 for (rv = 0; *map != 0; map += 2) 2997 if ((word & map[0]) != 0) 2998 rv |= map[1]; 2999 3000 return rv; 3001 } 3002
Indexes created Mon Sep 22 13:09:51 GMT 2025