init_sysctl.c revision 1.92
1 /* $NetBSD: init_sysctl.c,v 1.92 2006/11/25 21:40:05 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2003 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Andrew Brown. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: init_sysctl.c,v 1.92 2006/11/25 21:40:05 christos 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 "veriexec.h" 48 #include "pty.h" 49 #include "rnd.h" 50 51 #include <sys/types.h> 52 #include <sys/param.h> 53 #include <sys/sysctl.h> 54 #include <sys/errno.h> 55 #include <sys/systm.h> 56 #include <sys/kernel.h> 57 #include <sys/unistd.h> 58 #include <sys/disklabel.h> 59 #include <sys/rnd.h> 60 #include <sys/vnode.h> 61 #include <sys/mount.h> 62 #include <sys/namei.h> 63 #include <sys/msgbuf.h> 64 #include <dev/cons.h> 65 #include <sys/socketvar.h> 66 #include <sys/file.h> 67 #include <sys/filedesc.h> 68 #include <sys/tty.h> 69 #include <sys/malloc.h> 70 #include <sys/resource.h> 71 #include <sys/resourcevar.h> 72 #include <sys/exec.h> 73 #include <sys/conf.h> 74 #include <sys/device.h> 75 #if NVERIEXEC > 0 76 #define VERIEXEC_NEED_NODE 77 #include <sys/verified_exec.h> 78 #endif /* NVERIEXEC > 0 */ 79 #include <sys/stat.h> 80 #include <sys/kauth.h> 81 #ifdef KTRACE 82 #include <sys/ktrace.h> 83 #endif 84 85 #ifdef COMPAT_NETBSD32 86 #include <compat/netbsd32/netbsd32.h> 87 #endif 88 89 #include <machine/cpu.h> 90 91 /* XXX this should not be here */ 92 int security_setidcore_dump; 93 char security_setidcore_path[MAXPATHLEN] = "/var/crash/%n.core"; 94 uid_t security_setidcore_owner = 0; 95 gid_t security_setidcore_group = 0; 96 mode_t security_setidcore_mode = (S_IRUSR|S_IWUSR); 97 98 /* 99 * try over estimating by 5 procs/lwps 100 */ 101 #define KERN_PROCSLOP (5 * sizeof(struct kinfo_proc)) 102 #define KERN_LWPSLOP (5 * sizeof(struct kinfo_lwp)) 103 104 #ifdef KTRACE 105 int dcopyout(struct lwp *, const void *, void *, size_t); 106 107 int 108 dcopyout(l, kaddr, uaddr, len) 109 struct lwp *l; 110 const void *kaddr; 111 void *uaddr; 112 size_t len; 113 { 114 int error; 115 116 error = copyout(kaddr, uaddr, len); 117 if (!error && KTRPOINT(l->l_proc, KTR_MIB)) { 118 struct iovec iov; 119 120 iov.iov_base = uaddr; 121 iov.iov_len = len; 122 ktrgenio(l, -1, UIO_READ, &iov, len, 0); 123 } 124 return error; 125 } 126 #else /* !KTRACE */ 127 #define dcopyout(l, kaddr, uaddr, len) copyout(kaddr, uaddr, len) 128 #endif /* KTRACE */ 129 #ifndef MULTIPROCESSOR 130 #define sysctl_ncpus() (1) 131 #else /* MULTIPROCESSOR */ 132 #ifndef CPU_INFO_FOREACH 133 #define CPU_INFO_ITERATOR int 134 #define CPU_INFO_FOREACH(cii, ci) cii = 0, ci = curcpu(); ci != NULL; ci = NULL 135 #endif 136 static int 137 sysctl_ncpus(void) 138 { 139 struct cpu_info *ci; 140 CPU_INFO_ITERATOR cii; 141 142 int ncpus = 0; 143 for (CPU_INFO_FOREACH(cii, ci)) 144 ncpus++; 145 return (ncpus); 146 } 147 #endif /* MULTIPROCESSOR */ 148 149 #ifdef DIAGNOSTIC 150 static int sysctl_kern_trigger_panic(SYSCTLFN_PROTO); 151 #endif 152 static int sysctl_kern_maxvnodes(SYSCTLFN_PROTO); 153 static int sysctl_kern_rtc_offset(SYSCTLFN_PROTO); 154 static int sysctl_kern_maxproc(SYSCTLFN_PROTO); 155 static int sysctl_kern_hostid(SYSCTLFN_PROTO); 156 static int sysctl_setlen(SYSCTLFN_PROTO); 157 static int sysctl_kern_clockrate(SYSCTLFN_PROTO); 158 static int sysctl_kern_file(SYSCTLFN_PROTO); 159 static int sysctl_kern_autonice(SYSCTLFN_PROTO); 160 static int sysctl_msgbuf(SYSCTLFN_PROTO); 161 static int sysctl_kern_defcorename(SYSCTLFN_PROTO); 162 static int sysctl_kern_cptime(SYSCTLFN_PROTO); 163 #if NPTY > 0 164 static int sysctl_kern_maxptys(SYSCTLFN_PROTO); 165 #endif /* NPTY > 0 */ 166 static int sysctl_kern_sbmax(SYSCTLFN_PROTO); 167 static int sysctl_kern_urnd(SYSCTLFN_PROTO); 168 static int sysctl_kern_arnd(SYSCTLFN_PROTO); 169 static int sysctl_kern_lwp(SYSCTLFN_PROTO); 170 static int sysctl_kern_forkfsleep(SYSCTLFN_PROTO); 171 static int sysctl_kern_root_partition(SYSCTLFN_PROTO); 172 static int sysctl_kern_drivers(SYSCTLFN_PROTO); 173 static int sysctl_kern_file2(SYSCTLFN_PROTO); 174 #if NVERIEXEC > 0 175 static int sysctl_kern_veriexec(SYSCTLFN_PROTO); 176 #endif /* NVERIEXEC > 0 */ 177 static int sysctl_security_setidcore(SYSCTLFN_PROTO); 178 static int sysctl_security_setidcorename(SYSCTLFN_PROTO); 179 static int sysctl_kern_cpid(SYSCTLFN_PROTO); 180 static int sysctl_doeproc(SYSCTLFN_PROTO); 181 static int sysctl_kern_proc_args(SYSCTLFN_PROTO); 182 static int sysctl_hw_usermem(SYSCTLFN_PROTO); 183 static int sysctl_hw_cnmagic(SYSCTLFN_PROTO); 184 static int sysctl_hw_ncpu(SYSCTLFN_PROTO); 185 186 static void fill_kproc2(struct proc *, struct kinfo_proc2 *); 187 static void fill_lwp(struct lwp *l, struct kinfo_lwp *kl); 188 static void fill_file(struct kinfo_file *, const struct file *, struct proc *, 189 int); 190 191 /* 192 * ******************************************************************** 193 * section 1: setup routines 194 * ******************************************************************** 195 * these functions are stuffed into a link set for sysctl setup 196 * functions. they're never called or referenced from anywhere else. 197 * ******************************************************************** 198 */ 199 200 /* 201 * sets up the base nodes... 202 */ 203 SYSCTL_SETUP(sysctl_root_setup, "sysctl base setup") 204 { 205 206 sysctl_createv(clog, 0, NULL, NULL, 207 CTLFLAG_PERMANENT, 208 CTLTYPE_NODE, "kern", 209 SYSCTL_DESCR("High kernel"), 210 NULL, 0, NULL, 0, 211 CTL_KERN, CTL_EOL); 212 sysctl_createv(clog, 0, NULL, NULL, 213 CTLFLAG_PERMANENT, 214 CTLTYPE_NODE, "vm", 215 SYSCTL_DESCR("Virtual memory"), 216 NULL, 0, NULL, 0, 217 CTL_VM, CTL_EOL); 218 sysctl_createv(clog, 0, NULL, NULL, 219 CTLFLAG_PERMANENT, 220 CTLTYPE_NODE, "vfs", 221 SYSCTL_DESCR("Filesystem"), 222 NULL, 0, NULL, 0, 223 CTL_VFS, CTL_EOL); 224 sysctl_createv(clog, 0, NULL, NULL, 225 CTLFLAG_PERMANENT, 226 CTLTYPE_NODE, "net", 227 SYSCTL_DESCR("Networking"), 228 NULL, 0, NULL, 0, 229 CTL_NET, CTL_EOL); 230 sysctl_createv(clog, 0, NULL, NULL, 231 CTLFLAG_PERMANENT, 232 CTLTYPE_NODE, "debug", 233 SYSCTL_DESCR("Debugging"), 234 NULL, 0, NULL, 0, 235 CTL_DEBUG, CTL_EOL); 236 sysctl_createv(clog, 0, NULL, NULL, 237 CTLFLAG_PERMANENT, 238 CTLTYPE_NODE, "hw", 239 SYSCTL_DESCR("Generic CPU, I/O"), 240 NULL, 0, NULL, 0, 241 CTL_HW, CTL_EOL); 242 sysctl_createv(clog, 0, NULL, NULL, 243 CTLFLAG_PERMANENT, 244 CTLTYPE_NODE, "machdep", 245 SYSCTL_DESCR("Machine dependent"), 246 NULL, 0, NULL, 0, 247 CTL_MACHDEP, CTL_EOL); 248 /* 249 * this node is inserted so that the sysctl nodes in libc can 250 * operate. 251 */ 252 sysctl_createv(clog, 0, NULL, NULL, 253 CTLFLAG_PERMANENT, 254 CTLTYPE_NODE, "user", 255 SYSCTL_DESCR("User-level"), 256 NULL, 0, NULL, 0, 257 CTL_USER, CTL_EOL); 258 sysctl_createv(clog, 0, NULL, NULL, 259 CTLFLAG_PERMANENT, 260 CTLTYPE_NODE, "ddb", 261 SYSCTL_DESCR("In-kernel debugger"), 262 NULL, 0, NULL, 0, 263 CTL_DDB, CTL_EOL); 264 sysctl_createv(clog, 0, NULL, NULL, 265 CTLFLAG_PERMANENT, 266 CTLTYPE_NODE, "proc", 267 SYSCTL_DESCR("Per-process"), 268 NULL, 0, NULL, 0, 269 CTL_PROC, CTL_EOL); 270 sysctl_createv(clog, 0, NULL, NULL, 271 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 272 CTLTYPE_NODE, "vendor", 273 SYSCTL_DESCR("Vendor specific"), 274 NULL, 0, NULL, 0, 275 CTL_VENDOR, CTL_EOL); 276 sysctl_createv(clog, 0, NULL, NULL, 277 CTLFLAG_PERMANENT, 278 CTLTYPE_NODE, "emul", 279 SYSCTL_DESCR("Emulation settings"), 280 NULL, 0, NULL, 0, 281 CTL_EMUL, CTL_EOL); 282 sysctl_createv(clog, 0, NULL, NULL, 283 CTLFLAG_PERMANENT, 284 CTLTYPE_NODE, "security", 285 SYSCTL_DESCR("Security"), 286 NULL, 0, NULL, 0, 287 CTL_SECURITY, CTL_EOL); 288 } 289 290 /* 291 * this setup routine is a replacement for kern_sysctl() 292 */ 293 SYSCTL_SETUP(sysctl_kern_setup, "sysctl kern subtree setup") 294 { 295 extern int kern_logsigexit; /* defined in kern/kern_sig.c */ 296 extern fixpt_t ccpu; /* defined in kern/kern_synch.c */ 297 extern int dumponpanic; /* defined in kern/subr_prf.c */ 298 const struct sysctlnode *rnode; 299 300 sysctl_createv(clog, 0, NULL, NULL, 301 CTLFLAG_PERMANENT, 302 CTLTYPE_NODE, "kern", NULL, 303 NULL, 0, NULL, 0, 304 CTL_KERN, CTL_EOL); 305 306 sysctl_createv(clog, 0, NULL, NULL, 307 CTLFLAG_PERMANENT, 308 CTLTYPE_STRING, "ostype", 309 SYSCTL_DESCR("Operating system type"), 310 NULL, 0, &ostype, 0, 311 CTL_KERN, KERN_OSTYPE, CTL_EOL); 312 sysctl_createv(clog, 0, NULL, NULL, 313 CTLFLAG_PERMANENT, 314 CTLTYPE_STRING, "osrelease", 315 SYSCTL_DESCR("Operating system release"), 316 NULL, 0, &osrelease, 0, 317 CTL_KERN, KERN_OSRELEASE, CTL_EOL); 318 sysctl_createv(clog, 0, NULL, NULL, 319 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 320 CTLTYPE_INT, "osrevision", 321 SYSCTL_DESCR("Operating system revision"), 322 NULL, __NetBSD_Version__, NULL, 0, 323 CTL_KERN, KERN_OSREV, CTL_EOL); 324 sysctl_createv(clog, 0, NULL, NULL, 325 CTLFLAG_PERMANENT, 326 CTLTYPE_STRING, "version", 327 SYSCTL_DESCR("Kernel version"), 328 NULL, 0, &version, 0, 329 CTL_KERN, KERN_VERSION, CTL_EOL); 330 sysctl_createv(clog, 0, NULL, NULL, 331 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 332 CTLTYPE_INT, "maxvnodes", 333 SYSCTL_DESCR("Maximum number of vnodes"), 334 sysctl_kern_maxvnodes, 0, NULL, 0, 335 CTL_KERN, KERN_MAXVNODES, CTL_EOL); 336 sysctl_createv(clog, 0, NULL, NULL, 337 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 338 CTLTYPE_INT, "maxproc", 339 SYSCTL_DESCR("Maximum number of simultaneous processes"), 340 sysctl_kern_maxproc, 0, NULL, 0, 341 CTL_KERN, KERN_MAXPROC, CTL_EOL); 342 sysctl_createv(clog, 0, NULL, NULL, 343 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 344 CTLTYPE_INT, "maxfiles", 345 SYSCTL_DESCR("Maximum number of open files"), 346 NULL, 0, &maxfiles, 0, 347 CTL_KERN, KERN_MAXFILES, CTL_EOL); 348 sysctl_createv(clog, 0, NULL, NULL, 349 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 350 CTLTYPE_INT, "argmax", 351 SYSCTL_DESCR("Maximum number of bytes of arguments to " 352 "execve(2)"), 353 NULL, ARG_MAX, NULL, 0, 354 CTL_KERN, KERN_ARGMAX, CTL_EOL); 355 sysctl_createv(clog, 0, NULL, NULL, 356 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 357 CTLTYPE_STRING, "hostname", 358 SYSCTL_DESCR("System hostname"), 359 sysctl_setlen, 0, &hostname, MAXHOSTNAMELEN, 360 CTL_KERN, KERN_HOSTNAME, CTL_EOL); 361 sysctl_createv(clog, 0, NULL, NULL, 362 CTLFLAG_PERMANENT|CTLFLAG_READWRITE|CTLFLAG_HEX, 363 CTLTYPE_INT, "hostid", 364 SYSCTL_DESCR("System host ID number"), 365 sysctl_kern_hostid, 0, NULL, 0, 366 CTL_KERN, KERN_HOSTID, CTL_EOL); 367 sysctl_createv(clog, 0, NULL, NULL, 368 CTLFLAG_PERMANENT, 369 CTLTYPE_STRUCT, "clockrate", 370 SYSCTL_DESCR("Kernel clock rates"), 371 sysctl_kern_clockrate, 0, NULL, 372 sizeof(struct clockinfo), 373 CTL_KERN, KERN_CLOCKRATE, CTL_EOL); 374 sysctl_createv(clog, 0, NULL, NULL, 375 CTLFLAG_PERMANENT, 376 CTLTYPE_INT, "hardclock_ticks", 377 SYSCTL_DESCR("Number of hardclock ticks"), 378 NULL, 0, &hardclock_ticks, sizeof(hardclock_ticks), 379 CTL_KERN, KERN_HARDCLOCK_TICKS, CTL_EOL); 380 sysctl_createv(clog, 0, NULL, NULL, 381 CTLFLAG_PERMANENT, 382 CTLTYPE_STRUCT, "vnode", 383 SYSCTL_DESCR("System vnode table"), 384 sysctl_kern_vnode, 0, NULL, 0, 385 CTL_KERN, KERN_VNODE, CTL_EOL); 386 sysctl_createv(clog, 0, NULL, NULL, 387 CTLFLAG_PERMANENT, 388 CTLTYPE_STRUCT, "file", 389 SYSCTL_DESCR("System open file table"), 390 sysctl_kern_file, 0, NULL, 0, 391 CTL_KERN, KERN_FILE, CTL_EOL); 392 #ifndef GPROF 393 sysctl_createv(clog, 0, NULL, NULL, 394 CTLFLAG_PERMANENT, 395 CTLTYPE_NODE, "profiling", 396 SYSCTL_DESCR("Profiling information (not available)"), 397 sysctl_notavail, 0, NULL, 0, 398 CTL_KERN, KERN_PROF, CTL_EOL); 399 #endif 400 sysctl_createv(clog, 0, NULL, NULL, 401 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 402 CTLTYPE_INT, "posix1version", 403 SYSCTL_DESCR("Version of ISO/IEC 9945 (POSIX 1003.1) " 404 "with which the operating system attempts " 405 "to comply"), 406 NULL, _POSIX_VERSION, NULL, 0, 407 CTL_KERN, KERN_POSIX1, CTL_EOL); 408 sysctl_createv(clog, 0, NULL, NULL, 409 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 410 CTLTYPE_INT, "ngroups", 411 SYSCTL_DESCR("Maximum number of supplemental groups"), 412 NULL, NGROUPS_MAX, NULL, 0, 413 CTL_KERN, KERN_NGROUPS, CTL_EOL); 414 sysctl_createv(clog, 0, NULL, NULL, 415 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 416 CTLTYPE_INT, "job_control", 417 SYSCTL_DESCR("Whether job control is available"), 418 NULL, 1, NULL, 0, 419 CTL_KERN, KERN_JOB_CONTROL, CTL_EOL); 420 sysctl_createv(clog, 0, NULL, NULL, 421 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 422 CTLTYPE_INT, "saved_ids", 423 SYSCTL_DESCR("Whether POSIX saved set-group/user ID is " 424 "available"), NULL, 425 #ifdef _POSIX_SAVED_IDS 426 1, 427 #else /* _POSIX_SAVED_IDS */ 428 0, 429 #endif /* _POSIX_SAVED_IDS */ 430 NULL, 0, CTL_KERN, KERN_SAVED_IDS, CTL_EOL); 431 sysctl_createv(clog, 0, NULL, NULL, 432 CTLFLAG_PERMANENT, 433 CTLTYPE_STRUCT, "boottime", 434 SYSCTL_DESCR("System boot time"), 435 NULL, 0, &boottime, sizeof(boottime), 436 CTL_KERN, KERN_BOOTTIME, CTL_EOL); 437 sysctl_createv(clog, 0, NULL, NULL, 438 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 439 CTLTYPE_STRING, "domainname", 440 SYSCTL_DESCR("YP domain name"), 441 sysctl_setlen, 0, &domainname, MAXHOSTNAMELEN, 442 CTL_KERN, KERN_DOMAINNAME, CTL_EOL); 443 sysctl_createv(clog, 0, NULL, NULL, 444 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 445 CTLTYPE_INT, "maxpartitions", 446 SYSCTL_DESCR("Maximum number of partitions allowed per " 447 "disk"), 448 NULL, MAXPARTITIONS, NULL, 0, 449 CTL_KERN, KERN_MAXPARTITIONS, CTL_EOL); 450 sysctl_createv(clog, 0, NULL, NULL, 451 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 452 CTLTYPE_INT, "rawpartition", 453 SYSCTL_DESCR("Raw partition of a disk"), 454 NULL, RAW_PART, NULL, 0, 455 CTL_KERN, KERN_RAWPARTITION, CTL_EOL); 456 sysctl_createv(clog, 0, NULL, NULL, 457 CTLFLAG_PERMANENT, 458 CTLTYPE_STRUCT, "timex", NULL, 459 sysctl_notavail, 0, NULL, 0, 460 CTL_KERN, KERN_TIMEX, CTL_EOL); 461 sysctl_createv(clog, 0, NULL, NULL, 462 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 463 CTLTYPE_INT, "autonicetime", 464 SYSCTL_DESCR("CPU clock seconds before non-root " 465 "process priority is lowered"), 466 sysctl_kern_autonice, 0, &autonicetime, 0, 467 CTL_KERN, KERN_AUTONICETIME, CTL_EOL); 468 sysctl_createv(clog, 0, NULL, NULL, 469 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 470 CTLTYPE_INT, "autoniceval", 471 SYSCTL_DESCR("Automatic reniced non-root process " 472 "priority"), 473 sysctl_kern_autonice, 0, &autoniceval, 0, 474 CTL_KERN, KERN_AUTONICEVAL, CTL_EOL); 475 sysctl_createv(clog, 0, NULL, NULL, 476 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 477 CTLTYPE_INT, "rtc_offset", 478 SYSCTL_DESCR("Offset of real time clock from UTC in " 479 "minutes"), 480 sysctl_kern_rtc_offset, 0, &rtc_offset, 0, 481 CTL_KERN, KERN_RTC_OFFSET, CTL_EOL); 482 sysctl_createv(clog, 0, NULL, NULL, 483 CTLFLAG_PERMANENT, 484 CTLTYPE_STRING, "root_device", 485 SYSCTL_DESCR("Name of the root device"), 486 sysctl_root_device, 0, NULL, 0, 487 CTL_KERN, KERN_ROOT_DEVICE, CTL_EOL); 488 sysctl_createv(clog, 0, NULL, NULL, 489 CTLFLAG_PERMANENT, 490 CTLTYPE_INT, "msgbufsize", 491 SYSCTL_DESCR("Size of the kernel message buffer"), 492 sysctl_msgbuf, 0, NULL, 0, 493 CTL_KERN, KERN_MSGBUFSIZE, CTL_EOL); 494 sysctl_createv(clog, 0, NULL, NULL, 495 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 496 CTLTYPE_INT, "fsync", 497 SYSCTL_DESCR("Whether the POSIX 1003.1b File " 498 "Synchronization Option is available on " 499 "this system"), 500 NULL, 1, NULL, 0, 501 CTL_KERN, KERN_FSYNC, CTL_EOL); 502 sysctl_createv(clog, 0, NULL, NULL, 503 CTLFLAG_PERMANENT, 504 CTLTYPE_NODE, "ipc", 505 SYSCTL_DESCR("SysV IPC options"), 506 NULL, 0, NULL, 0, 507 CTL_KERN, KERN_SYSVIPC, CTL_EOL); 508 sysctl_createv(clog, 0, NULL, NULL, 509 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 510 CTLTYPE_INT, "sysvmsg", 511 SYSCTL_DESCR("System V style message support available"), 512 NULL, 513 #ifdef SYSVMSG 514 1, 515 #else /* SYSVMSG */ 516 0, 517 #endif /* SYSVMSG */ 518 NULL, 0, CTL_KERN, KERN_SYSVIPC, KERN_SYSVIPC_MSG, CTL_EOL); 519 sysctl_createv(clog, 0, NULL, NULL, 520 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 521 CTLTYPE_INT, "sysvsem", 522 SYSCTL_DESCR("System V style semaphore support " 523 "available"), NULL, 524 #ifdef SYSVSEM 525 1, 526 #else /* SYSVSEM */ 527 0, 528 #endif /* SYSVSEM */ 529 NULL, 0, CTL_KERN, KERN_SYSVIPC, KERN_SYSVIPC_SEM, CTL_EOL); 530 sysctl_createv(clog, 0, NULL, NULL, 531 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 532 CTLTYPE_INT, "sysvshm", 533 SYSCTL_DESCR("System V style shared memory support " 534 "available"), NULL, 535 #ifdef SYSVSHM 536 1, 537 #else /* SYSVSHM */ 538 0, 539 #endif /* SYSVSHM */ 540 NULL, 0, CTL_KERN, KERN_SYSVIPC, KERN_SYSVIPC_SHM, CTL_EOL); 541 sysctl_createv(clog, 0, NULL, NULL, 542 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 543 CTLTYPE_INT, "synchronized_io", 544 SYSCTL_DESCR("Whether the POSIX 1003.1b Synchronized " 545 "I/O Option is available on this system"), 546 NULL, 1, NULL, 0, 547 CTL_KERN, KERN_SYNCHRONIZED_IO, CTL_EOL); 548 sysctl_createv(clog, 0, NULL, NULL, 549 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 550 CTLTYPE_INT, "iov_max", 551 SYSCTL_DESCR("Maximum number of iovec structures per " 552 "process"), 553 NULL, IOV_MAX, NULL, 0, 554 CTL_KERN, KERN_IOV_MAX, CTL_EOL); 555 sysctl_createv(clog, 0, NULL, NULL, 556 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 557 CTLTYPE_INT, "mapped_files", 558 SYSCTL_DESCR("Whether the POSIX 1003.1b Memory Mapped " 559 "Files Option is available on this system"), 560 NULL, 1, NULL, 0, 561 CTL_KERN, KERN_MAPPED_FILES, CTL_EOL); 562 sysctl_createv(clog, 0, NULL, NULL, 563 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 564 CTLTYPE_INT, "memlock", 565 SYSCTL_DESCR("Whether the POSIX 1003.1b Process Memory " 566 "Locking Option is available on this " 567 "system"), 568 NULL, 1, NULL, 0, 569 CTL_KERN, KERN_MEMLOCK, CTL_EOL); 570 sysctl_createv(clog, 0, NULL, NULL, 571 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 572 CTLTYPE_INT, "memlock_range", 573 SYSCTL_DESCR("Whether the POSIX 1003.1b Range Memory " 574 "Locking Option is available on this " 575 "system"), 576 NULL, 1, NULL, 0, 577 CTL_KERN, KERN_MEMLOCK_RANGE, CTL_EOL); 578 sysctl_createv(clog, 0, NULL, NULL, 579 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 580 CTLTYPE_INT, "memory_protection", 581 SYSCTL_DESCR("Whether the POSIX 1003.1b Memory " 582 "Protection Option is available on this " 583 "system"), 584 NULL, 1, NULL, 0, 585 CTL_KERN, KERN_MEMORY_PROTECTION, CTL_EOL); 586 sysctl_createv(clog, 0, NULL, NULL, 587 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 588 CTLTYPE_INT, "login_name_max", 589 SYSCTL_DESCR("Maximum login name length"), 590 NULL, LOGIN_NAME_MAX, NULL, 0, 591 CTL_KERN, KERN_LOGIN_NAME_MAX, CTL_EOL); 592 sysctl_createv(clog, 0, NULL, NULL, 593 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 594 CTLTYPE_STRING, "defcorename", 595 SYSCTL_DESCR("Default core file name"), 596 sysctl_kern_defcorename, 0, defcorename, MAXPATHLEN, 597 CTL_KERN, KERN_DEFCORENAME, CTL_EOL); 598 sysctl_createv(clog, 0, NULL, NULL, 599 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 600 CTLTYPE_INT, "logsigexit", 601 SYSCTL_DESCR("Log process exit when caused by signals"), 602 NULL, 0, &kern_logsigexit, 0, 603 CTL_KERN, KERN_LOGSIGEXIT, CTL_EOL); 604 sysctl_createv(clog, 0, NULL, NULL, 605 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 606 CTLTYPE_INT, "fscale", 607 SYSCTL_DESCR("Kernel fixed-point scale factor"), 608 NULL, FSCALE, NULL, 0, 609 CTL_KERN, KERN_FSCALE, CTL_EOL); 610 sysctl_createv(clog, 0, NULL, NULL, 611 CTLFLAG_PERMANENT, 612 CTLTYPE_INT, "ccpu", 613 SYSCTL_DESCR("Scheduler exponential decay value"), 614 NULL, 0, &ccpu, 0, 615 CTL_KERN, KERN_CCPU, CTL_EOL); 616 sysctl_createv(clog, 0, NULL, NULL, 617 CTLFLAG_PERMANENT, 618 CTLTYPE_STRUCT, "cp_time", 619 SYSCTL_DESCR("Clock ticks spent in different CPU states"), 620 sysctl_kern_cptime, 0, NULL, 0, 621 CTL_KERN, KERN_CP_TIME, CTL_EOL); 622 sysctl_createv(clog, 0, NULL, NULL, 623 CTLFLAG_PERMANENT, 624 CTLTYPE_INT, "msgbuf", 625 SYSCTL_DESCR("Kernel message buffer"), 626 sysctl_msgbuf, 0, NULL, 0, 627 CTL_KERN, KERN_MSGBUF, CTL_EOL); 628 sysctl_createv(clog, 0, NULL, NULL, 629 CTLFLAG_PERMANENT, 630 CTLTYPE_STRUCT, "consdev", 631 SYSCTL_DESCR("Console device"), 632 sysctl_consdev, 0, NULL, sizeof(dev_t), 633 CTL_KERN, KERN_CONSDEV, CTL_EOL); 634 #if NPTY > 0 635 sysctl_createv(clog, 0, NULL, NULL, 636 CTLFLAG_PERMANENT, 637 CTLTYPE_INT, "maxptys", 638 SYSCTL_DESCR("Maximum number of pseudo-ttys"), 639 sysctl_kern_maxptys, 0, NULL, 0, 640 CTL_KERN, KERN_MAXPTYS, CTL_EOL); 641 #endif /* NPTY > 0 */ 642 sysctl_createv(clog, 0, NULL, NULL, 643 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 644 CTLTYPE_INT, "maxphys", 645 SYSCTL_DESCR("Maximum raw I/O transfer size"), 646 NULL, MAXPHYS, NULL, 0, 647 CTL_KERN, KERN_MAXPHYS, CTL_EOL); 648 sysctl_createv(clog, 0, NULL, NULL, 649 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 650 CTLTYPE_INT, "sbmax", 651 SYSCTL_DESCR("Maximum socket buffer size"), 652 sysctl_kern_sbmax, 0, NULL, 0, 653 CTL_KERN, KERN_SBMAX, CTL_EOL); 654 sysctl_createv(clog, 0, NULL, NULL, 655 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 656 CTLTYPE_INT, "monotonic_clock", 657 SYSCTL_DESCR("Implementation version of the POSIX " 658 "1003.1b Monotonic Clock Option"), 659 /* XXX _POSIX_VERSION */ 660 NULL, _POSIX_MONOTONIC_CLOCK, NULL, 0, 661 CTL_KERN, KERN_MONOTONIC_CLOCK, CTL_EOL); 662 sysctl_createv(clog, 0, NULL, NULL, 663 CTLFLAG_PERMANENT, 664 CTLTYPE_INT, "urandom", 665 SYSCTL_DESCR("Random integer value"), 666 sysctl_kern_urnd, 0, NULL, 0, 667 CTL_KERN, KERN_URND, CTL_EOL); 668 sysctl_createv(clog, 0, NULL, NULL, 669 CTLFLAG_PERMANENT, 670 CTLTYPE_INT, "arandom", 671 SYSCTL_DESCR("n bytes of random data"), 672 sysctl_kern_arnd, 0, NULL, 0, 673 CTL_KERN, KERN_ARND, CTL_EOL); 674 sysctl_createv(clog, 0, NULL, NULL, 675 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 676 CTLTYPE_INT, "labelsector", 677 SYSCTL_DESCR("Sector number containing the disklabel"), 678 NULL, LABELSECTOR, NULL, 0, 679 CTL_KERN, KERN_LABELSECTOR, CTL_EOL); 680 sysctl_createv(clog, 0, NULL, NULL, 681 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 682 CTLTYPE_INT, "labeloffset", 683 SYSCTL_DESCR("Offset of the disklabel within the " 684 "sector"), 685 NULL, LABELOFFSET, NULL, 0, 686 CTL_KERN, KERN_LABELOFFSET, CTL_EOL); 687 sysctl_createv(clog, 0, NULL, NULL, 688 CTLFLAG_PERMANENT, 689 CTLTYPE_NODE, "lwp", 690 SYSCTL_DESCR("System-wide LWP information"), 691 sysctl_kern_lwp, 0, NULL, 0, 692 CTL_KERN, KERN_LWP, CTL_EOL); 693 sysctl_createv(clog, 0, NULL, NULL, 694 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 695 CTLTYPE_INT, "forkfsleep", 696 SYSCTL_DESCR("Milliseconds to sleep on fork failure due " 697 "to process limits"), 698 sysctl_kern_forkfsleep, 0, NULL, 0, 699 CTL_KERN, KERN_FORKFSLEEP, CTL_EOL); 700 sysctl_createv(clog, 0, NULL, NULL, 701 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 702 CTLTYPE_INT, "posix_threads", 703 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 704 "Threads option to which the system " 705 "attempts to conform"), 706 /* XXX _POSIX_VERSION */ 707 NULL, _POSIX_THREADS, NULL, 0, 708 CTL_KERN, KERN_POSIX_THREADS, CTL_EOL); 709 sysctl_createv(clog, 0, NULL, NULL, 710 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 711 CTLTYPE_INT, "posix_semaphores", 712 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 713 "Semaphores option to which the system " 714 "attempts to conform"), NULL, 715 #ifdef P1003_1B_SEMAPHORE 716 200112, 717 #else /* P1003_1B_SEMAPHORE */ 718 0, 719 #endif /* P1003_1B_SEMAPHORE */ 720 NULL, 0, CTL_KERN, KERN_POSIX_SEMAPHORES, CTL_EOL); 721 sysctl_createv(clog, 0, NULL, NULL, 722 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 723 CTLTYPE_INT, "posix_barriers", 724 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 725 "Barriers option to which the system " 726 "attempts to conform"), 727 /* XXX _POSIX_VERSION */ 728 NULL, _POSIX_BARRIERS, NULL, 0, 729 CTL_KERN, KERN_POSIX_BARRIERS, CTL_EOL); 730 sysctl_createv(clog, 0, NULL, NULL, 731 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 732 CTLTYPE_INT, "posix_timers", 733 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 734 "Timers option to which the system " 735 "attempts to conform"), 736 /* XXX _POSIX_VERSION */ 737 NULL, _POSIX_TIMERS, NULL, 0, 738 CTL_KERN, KERN_POSIX_TIMERS, CTL_EOL); 739 sysctl_createv(clog, 0, NULL, NULL, 740 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 741 CTLTYPE_INT, "posix_spin_locks", 742 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its Spin " 743 "Locks option to which the system attempts " 744 "to conform"), 745 /* XXX _POSIX_VERSION */ 746 NULL, _POSIX_SPIN_LOCKS, NULL, 0, 747 CTL_KERN, KERN_POSIX_SPIN_LOCKS, CTL_EOL); 748 sysctl_createv(clog, 0, NULL, NULL, 749 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 750 CTLTYPE_INT, "posix_reader_writer_locks", 751 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 752 "Read-Write Locks option to which the " 753 "system attempts to conform"), 754 /* XXX _POSIX_VERSION */ 755 NULL, _POSIX_READER_WRITER_LOCKS, NULL, 0, 756 CTL_KERN, KERN_POSIX_READER_WRITER_LOCKS, CTL_EOL); 757 sysctl_createv(clog, 0, NULL, NULL, 758 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 759 CTLTYPE_INT, "dump_on_panic", 760 SYSCTL_DESCR("Perform a crash dump on system panic"), 761 NULL, 0, &dumponpanic, 0, 762 CTL_KERN, KERN_DUMP_ON_PANIC, CTL_EOL); 763 #ifdef DIAGNOSTIC 764 sysctl_createv(clog, 0, NULL, NULL, 765 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 766 CTLTYPE_INT, "panic_now", 767 SYSCTL_DESCR("Trigger a panic"), 768 sysctl_kern_trigger_panic, 0, NULL, 0, 769 CTL_KERN, CTL_CREATE, CTL_EOL); 770 #endif 771 sysctl_createv(clog, 0, NULL, NULL, 772 CTLFLAG_PERMANENT, 773 CTLTYPE_INT, "root_partition", 774 SYSCTL_DESCR("Root partition on the root device"), 775 sysctl_kern_root_partition, 0, NULL, 0, 776 CTL_KERN, KERN_ROOT_PARTITION, CTL_EOL); 777 sysctl_createv(clog, 0, NULL, NULL, 778 CTLFLAG_PERMANENT, 779 CTLTYPE_STRUCT, "drivers", 780 SYSCTL_DESCR("List of all drivers with block and " 781 "character device numbers"), 782 sysctl_kern_drivers, 0, NULL, 0, 783 CTL_KERN, KERN_DRIVERS, CTL_EOL); 784 sysctl_createv(clog, 0, NULL, NULL, 785 CTLFLAG_PERMANENT, 786 CTLTYPE_STRUCT, "file2", 787 SYSCTL_DESCR("System open file table"), 788 sysctl_kern_file2, 0, NULL, 0, 789 CTL_KERN, KERN_FILE2, CTL_EOL); 790 #if NVERIEXEC > 0 791 sysctl_createv(clog, 0, NULL, NULL, 792 CTLFLAG_PERMANENT, 793 CTLTYPE_NODE, "veriexec", 794 SYSCTL_DESCR("Verified Exec"), 795 NULL, 0, NULL, 0, 796 CTL_KERN, KERN_VERIEXEC, CTL_EOL); 797 sysctl_createv(clog, 0, NULL, NULL, 798 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 799 CTLTYPE_INT, "verbose", 800 SYSCTL_DESCR("Verified Exec verbose level"), 801 NULL, 0, &veriexec_verbose, 0, 802 CTL_KERN, KERN_VERIEXEC, VERIEXEC_VERBOSE, 803 CTL_EOL); 804 sysctl_createv(clog, 0, NULL, NULL, 805 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 806 CTLTYPE_INT, "strict", 807 SYSCTL_DESCR("Verified Exec strict level"), 808 sysctl_kern_veriexec, 0, NULL, 0, 809 CTL_KERN, KERN_VERIEXEC, VERIEXEC_STRICT, CTL_EOL); 810 sysctl_createv(clog, 0, NULL, NULL, 811 CTLFLAG_PERMANENT, 812 CTLTYPE_STRING, "algorithms", 813 SYSCTL_DESCR("Verified Exec supported hashing " 814 "algorithms"), 815 sysctl_kern_veriexec, 0, NULL, 0, 816 CTL_KERN, KERN_VERIEXEC, VERIEXEC_ALGORITHMS, CTL_EOL); 817 sysctl_createv(clog, 0, NULL, &veriexec_count_node, 818 CTLFLAG_PERMANENT, 819 CTLTYPE_NODE, "count", 820 SYSCTL_DESCR("Number of fingerprints on device(s)"), 821 NULL, 0, NULL, 0, 822 CTL_KERN, KERN_VERIEXEC, VERIEXEC_COUNT, CTL_EOL); 823 #endif /* NVERIEXEC > 0 */ 824 sysctl_createv(clog, 0, NULL, NULL, 825 CTLFLAG_PERMANENT, 826 CTLTYPE_STRUCT, "cp_id", 827 SYSCTL_DESCR("Mapping of CPU number to CPU id"), 828 sysctl_kern_cpid, 0, NULL, 0, 829 CTL_KERN, KERN_CP_ID, CTL_EOL); 830 831 sysctl_createv(clog, 0, NULL, &rnode, 832 CTLFLAG_PERMANENT, 833 CTLTYPE_NODE, "coredump", 834 SYSCTL_DESCR("Coredump settings."), 835 NULL, 0, NULL, 0, 836 CTL_KERN, CTL_CREATE, CTL_EOL); 837 sysctl_createv(clog, 0, &rnode, &rnode, 838 CTLFLAG_PERMANENT, 839 CTLTYPE_NODE, "setid", 840 SYSCTL_DESCR("Set-id processes' coredump settings."), 841 NULL, 0, NULL, 0, 842 CTL_CREATE, CTL_EOL); 843 sysctl_createv(clog, 0, &rnode, NULL, 844 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 845 CTLTYPE_INT, "dump", 846 SYSCTL_DESCR("Allow set-id processes to dump core."), 847 sysctl_security_setidcore, 0, &security_setidcore_dump, 848 sizeof(security_setidcore_dump), 849 CTL_CREATE, CTL_EOL); 850 sysctl_createv(clog, 0, &rnode, NULL, 851 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 852 CTLTYPE_STRING, "path", 853 SYSCTL_DESCR("Path pattern for set-id coredumps."), 854 sysctl_security_setidcorename, 0, 855 &security_setidcore_path, 856 sizeof(security_setidcore_path), 857 CTL_CREATE, CTL_EOL); 858 sysctl_createv(clog, 0, &rnode, NULL, 859 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 860 CTLTYPE_INT, "owner", 861 SYSCTL_DESCR("Owner id for set-id processes' cores."), 862 sysctl_security_setidcore, 0, &security_setidcore_owner, 863 0, 864 CTL_CREATE, CTL_EOL); 865 sysctl_createv(clog, 0, &rnode, NULL, 866 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 867 CTLTYPE_INT, "group", 868 SYSCTL_DESCR("Group id for set-id processes' cores."), 869 sysctl_security_setidcore, 0, &security_setidcore_group, 870 0, 871 CTL_CREATE, CTL_EOL); 872 sysctl_createv(clog, 0, &rnode, NULL, 873 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 874 CTLTYPE_INT, "mode", 875 SYSCTL_DESCR("Mode for set-id processes' cores."), 876 sysctl_security_setidcore, 0, &security_setidcore_mode, 877 0, 878 CTL_CREATE, CTL_EOL); 879 } 880 881 SYSCTL_SETUP(sysctl_kern_proc_setup, 882 "sysctl kern.proc/proc2/proc_args subtree setup") 883 { 884 885 sysctl_createv(clog, 0, NULL, NULL, 886 CTLFLAG_PERMANENT, 887 CTLTYPE_NODE, "kern", NULL, 888 NULL, 0, NULL, 0, 889 CTL_KERN, CTL_EOL); 890 891 sysctl_createv(clog, 0, NULL, NULL, 892 CTLFLAG_PERMANENT, 893 CTLTYPE_NODE, "proc", 894 SYSCTL_DESCR("System-wide process information"), 895 sysctl_doeproc, 0, NULL, 0, 896 CTL_KERN, KERN_PROC, CTL_EOL); 897 sysctl_createv(clog, 0, NULL, NULL, 898 CTLFLAG_PERMANENT, 899 CTLTYPE_NODE, "proc2", 900 SYSCTL_DESCR("Machine-independent process information"), 901 sysctl_doeproc, 0, NULL, 0, 902 CTL_KERN, KERN_PROC2, CTL_EOL); 903 sysctl_createv(clog, 0, NULL, NULL, 904 CTLFLAG_PERMANENT, 905 CTLTYPE_NODE, "proc_args", 906 SYSCTL_DESCR("Process argument information"), 907 sysctl_kern_proc_args, 0, NULL, 0, 908 CTL_KERN, KERN_PROC_ARGS, CTL_EOL); 909 910 /* 911 "nodes" under these: 912 913 KERN_PROC_ALL 914 KERN_PROC_PID pid 915 KERN_PROC_PGRP pgrp 916 KERN_PROC_SESSION sess 917 KERN_PROC_TTY tty 918 KERN_PROC_UID uid 919 KERN_PROC_RUID uid 920 KERN_PROC_GID gid 921 KERN_PROC_RGID gid 922 923 all in all, probably not worth the effort... 924 */ 925 } 926 927 SYSCTL_SETUP(sysctl_hw_setup, "sysctl hw subtree setup") 928 { 929 u_int u; 930 u_quad_t q; 931 932 sysctl_createv(clog, 0, NULL, NULL, 933 CTLFLAG_PERMANENT, 934 CTLTYPE_NODE, "hw", NULL, 935 NULL, 0, NULL, 0, 936 CTL_HW, CTL_EOL); 937 938 sysctl_createv(clog, 0, NULL, NULL, 939 CTLFLAG_PERMANENT, 940 CTLTYPE_STRING, "machine", 941 SYSCTL_DESCR("Machine class"), 942 NULL, 0, machine, 0, 943 CTL_HW, HW_MACHINE, CTL_EOL); 944 sysctl_createv(clog, 0, NULL, NULL, 945 CTLFLAG_PERMANENT, 946 CTLTYPE_STRING, "model", 947 SYSCTL_DESCR("Machine model"), 948 NULL, 0, cpu_model, 0, 949 CTL_HW, HW_MODEL, CTL_EOL); 950 sysctl_createv(clog, 0, NULL, NULL, 951 CTLFLAG_PERMANENT, 952 CTLTYPE_INT, "ncpu", 953 SYSCTL_DESCR("Number of active CPUs"), 954 sysctl_hw_ncpu, 0, NULL, 0, 955 CTL_HW, HW_NCPU, CTL_EOL); 956 sysctl_createv(clog, 0, NULL, NULL, 957 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 958 CTLTYPE_INT, "byteorder", 959 SYSCTL_DESCR("System byte order"), 960 NULL, BYTE_ORDER, NULL, 0, 961 CTL_HW, HW_BYTEORDER, CTL_EOL); 962 u = ((u_int)physmem > (UINT_MAX / PAGE_SIZE)) ? 963 UINT_MAX : physmem * PAGE_SIZE; 964 sysctl_createv(clog, 0, NULL, NULL, 965 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 966 CTLTYPE_INT, "physmem", 967 SYSCTL_DESCR("Bytes of physical memory"), 968 NULL, u, NULL, 0, 969 CTL_HW, HW_PHYSMEM, CTL_EOL); 970 sysctl_createv(clog, 0, NULL, NULL, 971 CTLFLAG_PERMANENT, 972 CTLTYPE_INT, "usermem", 973 SYSCTL_DESCR("Bytes of non-kernel memory"), 974 sysctl_hw_usermem, 0, NULL, 0, 975 CTL_HW, HW_USERMEM, CTL_EOL); 976 sysctl_createv(clog, 0, NULL, NULL, 977 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 978 CTLTYPE_INT, "pagesize", 979 SYSCTL_DESCR("Software page size"), 980 NULL, PAGE_SIZE, NULL, 0, 981 CTL_HW, HW_PAGESIZE, CTL_EOL); 982 sysctl_createv(clog, 0, NULL, NULL, 983 CTLFLAG_PERMANENT, 984 CTLTYPE_STRING, "machine_arch", 985 SYSCTL_DESCR("Machine CPU class"), 986 NULL, 0, machine_arch, 0, 987 CTL_HW, HW_MACHINE_ARCH, CTL_EOL); 988 sysctl_createv(clog, 0, NULL, NULL, 989 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 990 CTLTYPE_INT, "alignbytes", 991 SYSCTL_DESCR("Alignment constraint for all possible " 992 "data types"), 993 NULL, ALIGNBYTES, NULL, 0, 994 CTL_HW, HW_ALIGNBYTES, CTL_EOL); 995 sysctl_createv(clog, 0, NULL, NULL, 996 CTLFLAG_PERMANENT|CTLFLAG_READWRITE|CTLFLAG_HEX, 997 CTLTYPE_STRING, "cnmagic", 998 SYSCTL_DESCR("Console magic key sequence"), 999 sysctl_hw_cnmagic, 0, NULL, CNS_LEN, 1000 CTL_HW, HW_CNMAGIC, CTL_EOL); 1001 q = (u_quad_t)physmem * PAGE_SIZE; 1002 sysctl_createv(clog, 0, NULL, NULL, 1003 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 1004 CTLTYPE_QUAD, "physmem64", 1005 SYSCTL_DESCR("Bytes of physical memory"), 1006 NULL, q, NULL, 0, 1007 CTL_HW, HW_PHYSMEM64, CTL_EOL); 1008 sysctl_createv(clog, 0, NULL, NULL, 1009 CTLFLAG_PERMANENT, 1010 CTLTYPE_QUAD, "usermem64", 1011 SYSCTL_DESCR("Bytes of non-kernel memory"), 1012 sysctl_hw_usermem, 0, NULL, 0, 1013 CTL_HW, HW_USERMEM64, CTL_EOL); 1014 } 1015 1016 #ifdef DEBUG 1017 /* 1018 * Debugging related system variables. 1019 */ 1020 struct ctldebug /* debug0, */ /* debug1, */ debug2, debug3, debug4; 1021 struct ctldebug debug5, debug6, debug7, debug8, debug9; 1022 struct ctldebug debug10, debug11, debug12, debug13, debug14; 1023 struct ctldebug debug15, debug16, debug17, debug18, debug19; 1024 static struct ctldebug *debugvars[CTL_DEBUG_MAXID] = { 1025 &debug0, &debug1, &debug2, &debug3, &debug4, 1026 &debug5, &debug6, &debug7, &debug8, &debug9, 1027 &debug10, &debug11, &debug12, &debug13, &debug14, 1028 &debug15, &debug16, &debug17, &debug18, &debug19, 1029 }; 1030 1031 /* 1032 * this setup routine is a replacement for debug_sysctl() 1033 * 1034 * note that it creates several nodes per defined debug variable 1035 */ 1036 SYSCTL_SETUP(sysctl_debug_setup, "sysctl debug subtree setup") 1037 { 1038 struct ctldebug *cdp; 1039 char nodename[20]; 1040 int i; 1041 1042 /* 1043 * two ways here: 1044 * 1045 * the "old" way (debug.name -> value) which was emulated by 1046 * the sysctl(8) binary 1047 * 1048 * the new way, which the sysctl(8) binary was actually using 1049 1050 node debug 1051 node debug.0 1052 string debug.0.name 1053 int debug.0.value 1054 int debug.name 1055 1056 */ 1057 1058 sysctl_createv(clog, 0, NULL, NULL, 1059 CTLFLAG_PERMANENT, 1060 CTLTYPE_NODE, "debug", NULL, 1061 NULL, 0, NULL, 0, 1062 CTL_DEBUG, CTL_EOL); 1063 1064 for (i = 0; i < CTL_DEBUG_MAXID; i++) { 1065 cdp = debugvars[i]; 1066 if (cdp->debugname == NULL || cdp->debugvar == NULL) 1067 continue; 1068 1069 snprintf(nodename, sizeof(nodename), "debug%d", i); 1070 sysctl_createv(clog, 0, NULL, NULL, 1071 CTLFLAG_PERMANENT|CTLFLAG_HIDDEN, 1072 CTLTYPE_NODE, nodename, NULL, 1073 NULL, 0, NULL, 0, 1074 CTL_DEBUG, i, CTL_EOL); 1075 sysctl_createv(clog, 0, NULL, NULL, 1076 CTLFLAG_PERMANENT|CTLFLAG_HIDDEN, 1077 CTLTYPE_STRING, "name", NULL, 1078 /*XXXUNCONST*/ 1079 NULL, 0, __UNCONST(cdp->debugname), 0, 1080 CTL_DEBUG, i, CTL_DEBUG_NAME, CTL_EOL); 1081 sysctl_createv(clog, 0, NULL, NULL, 1082 CTLFLAG_PERMANENT|CTLFLAG_HIDDEN, 1083 CTLTYPE_INT, "value", NULL, 1084 NULL, 0, cdp->debugvar, 0, 1085 CTL_DEBUG, i, CTL_DEBUG_VALUE, CTL_EOL); 1086 sysctl_createv(clog, 0, NULL, NULL, 1087 CTLFLAG_PERMANENT, 1088 CTLTYPE_INT, cdp->debugname, NULL, 1089 NULL, 0, cdp->debugvar, 0, 1090 CTL_DEBUG, CTL_CREATE, CTL_EOL); 1091 } 1092 } 1093 #endif /* DEBUG */ 1094 1095 /* 1096 * ******************************************************************** 1097 * section 2: private node-specific helper routines. 1098 * ******************************************************************** 1099 */ 1100 1101 #ifdef DIAGNOSTIC 1102 static int 1103 sysctl_kern_trigger_panic(SYSCTLFN_ARGS) 1104 { 1105 int newtrig, error; 1106 struct sysctlnode node; 1107 1108 newtrig = 0; 1109 node = *rnode; 1110 node.sysctl_data = &newtrig; 1111 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1112 if (error || newp == NULL) 1113 return (error); 1114 1115 if (newtrig != 0) 1116 panic("Panic triggered"); 1117 1118 return (error); 1119 } 1120 #endif 1121 1122 /* 1123 * sysctl helper routine for kern.maxvnodes. drain vnodes if 1124 * new value is lower than desiredvnodes and then calls reinit 1125 * routines that needs to adjust to the new value. 1126 */ 1127 static int 1128 sysctl_kern_maxvnodes(SYSCTLFN_ARGS) 1129 { 1130 int error, new_vnodes, old_vnodes; 1131 struct sysctlnode node; 1132 1133 new_vnodes = desiredvnodes; 1134 node = *rnode; 1135 node.sysctl_data = &new_vnodes; 1136 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1137 if (error || newp == NULL) 1138 return (error); 1139 1140 old_vnodes = desiredvnodes; 1141 desiredvnodes = new_vnodes; 1142 if (new_vnodes < old_vnodes) { 1143 error = vfs_drainvnodes(new_vnodes, l); 1144 if (error) { 1145 desiredvnodes = old_vnodes; 1146 return (error); 1147 } 1148 } 1149 vfs_reinit(); 1150 nchreinit(); 1151 1152 return (0); 1153 } 1154 1155 /* 1156 * sysctl helper routine for rtc_offset - set time after changes 1157 */ 1158 static int 1159 sysctl_kern_rtc_offset(SYSCTLFN_ARGS) 1160 { 1161 struct timespec ts, delta; 1162 int error, new_rtc_offset; 1163 struct sysctlnode node; 1164 1165 new_rtc_offset = rtc_offset; 1166 node = *rnode; 1167 node.sysctl_data = &new_rtc_offset; 1168 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1169 if (error || newp == NULL) 1170 return (error); 1171 1172 if (kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_TIME, 1173 KAUTH_REQ_SYSTEM_TIME_RTCOFFSET, 1174 (void *)(u_long)new_rtc_offset, NULL, NULL)) 1175 return (EPERM); 1176 if (rtc_offset == new_rtc_offset) 1177 return (0); 1178 1179 /* if we change the offset, adjust the time */ 1180 nanotime(&ts); 1181 delta.tv_sec = 60 * (new_rtc_offset - rtc_offset); 1182 delta.tv_nsec = 0; 1183 timespecadd(&ts, &delta, &ts); 1184 rtc_offset = new_rtc_offset; 1185 settime(l->l_proc, &ts); 1186 1187 return (0); 1188 } 1189 1190 /* 1191 * sysctl helper routine for kern.maxproc. ensures that the new 1192 * values are not too low or too high. 1193 */ 1194 static int 1195 sysctl_kern_maxproc(SYSCTLFN_ARGS) 1196 { 1197 int error, nmaxproc; 1198 struct sysctlnode node; 1199 1200 nmaxproc = maxproc; 1201 node = *rnode; 1202 node.sysctl_data = &nmaxproc; 1203 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1204 if (error || newp == NULL) 1205 return (error); 1206 1207 if (nmaxproc < 0 || nmaxproc >= PID_MAX) 1208 return (EINVAL); 1209 #ifdef __HAVE_CPU_MAXPROC 1210 if (nmaxproc > cpu_maxproc()) 1211 return (EINVAL); 1212 #endif 1213 maxproc = nmaxproc; 1214 1215 return (0); 1216 } 1217 1218 /* 1219 * sysctl helper function for kern.hostid. the hostid is a long, but 1220 * we export it as an int, so we need to give it a little help. 1221 */ 1222 static int 1223 sysctl_kern_hostid(SYSCTLFN_ARGS) 1224 { 1225 int error, inthostid; 1226 struct sysctlnode node; 1227 1228 inthostid = hostid; /* XXX assumes sizeof int <= sizeof long */ 1229 node = *rnode; 1230 node.sysctl_data = &inthostid; 1231 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1232 if (error || newp == NULL) 1233 return (error); 1234 1235 hostid = (unsigned)inthostid; 1236 1237 return (0); 1238 } 1239 1240 /* 1241 * sysctl helper function for kern.hostname and kern.domainnname. 1242 * resets the relevant recorded length when the underlying name is 1243 * changed. 1244 */ 1245 static int 1246 sysctl_setlen(SYSCTLFN_ARGS) 1247 { 1248 int error; 1249 1250 error = sysctl_lookup(SYSCTLFN_CALL(rnode)); 1251 if (error || newp == NULL) 1252 return (error); 1253 1254 switch (rnode->sysctl_num) { 1255 case KERN_HOSTNAME: 1256 hostnamelen = strlen((const char*)rnode->sysctl_data); 1257 break; 1258 case KERN_DOMAINNAME: 1259 domainnamelen = strlen((const char*)rnode->sysctl_data); 1260 break; 1261 } 1262 1263 return (0); 1264 } 1265 1266 /* 1267 * sysctl helper routine for kern.clockrate. assembles a struct on 1268 * the fly to be returned to the caller. 1269 */ 1270 static int 1271 sysctl_kern_clockrate(SYSCTLFN_ARGS) 1272 { 1273 struct clockinfo clkinfo; 1274 struct sysctlnode node; 1275 1276 clkinfo.tick = tick; 1277 clkinfo.tickadj = tickadj; 1278 clkinfo.hz = hz; 1279 clkinfo.profhz = profhz; 1280 clkinfo.stathz = stathz ? stathz : hz; 1281 1282 node = *rnode; 1283 node.sysctl_data = &clkinfo; 1284 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1285 } 1286 1287 1288 /* 1289 * sysctl helper routine for kern.file pseudo-subtree. 1290 */ 1291 static int 1292 sysctl_kern_file(SYSCTLFN_ARGS) 1293 { 1294 int error; 1295 size_t buflen; 1296 struct file *fp; 1297 char *start, *where; 1298 1299 start = where = oldp; 1300 buflen = *oldlenp; 1301 if (where == NULL) { 1302 /* 1303 * overestimate by 10 files 1304 */ 1305 *oldlenp = sizeof(filehead) + (nfiles + 10) * sizeof(struct file); 1306 return (0); 1307 } 1308 1309 /* 1310 * first dcopyout filehead 1311 */ 1312 if (buflen < sizeof(filehead)) { 1313 *oldlenp = 0; 1314 return (0); 1315 } 1316 error = dcopyout(l, &filehead, where, sizeof(filehead)); 1317 if (error) 1318 return (error); 1319 buflen -= sizeof(filehead); 1320 where += sizeof(filehead); 1321 1322 /* 1323 * followed by an array of file structures 1324 */ 1325 LIST_FOREACH(fp, &filehead, f_list) { 1326 if (kauth_authorize_generic(l->l_cred, 1327 KAUTH_GENERIC_CANSEE, fp->f_cred) != 0) 1328 continue; 1329 if (buflen < sizeof(struct file)) { 1330 *oldlenp = where - start; 1331 return (ENOMEM); 1332 } 1333 error = dcopyout(l, fp, where, sizeof(struct file)); 1334 if (error) 1335 return (error); 1336 buflen -= sizeof(struct file); 1337 where += sizeof(struct file); 1338 } 1339 *oldlenp = where - start; 1340 return (0); 1341 } 1342 1343 /* 1344 * sysctl helper routine for kern.autonicetime and kern.autoniceval. 1345 * asserts that the assigned value is in the correct range. 1346 */ 1347 static int 1348 sysctl_kern_autonice(SYSCTLFN_ARGS) 1349 { 1350 int error, t = 0; 1351 struct sysctlnode node; 1352 1353 node = *rnode; 1354 t = *(int*)node.sysctl_data; 1355 node.sysctl_data = &t; 1356 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1357 if (error || newp == NULL) 1358 return (error); 1359 1360 switch (node.sysctl_num) { 1361 case KERN_AUTONICETIME: 1362 if (t >= 0) 1363 autonicetime = t; 1364 break; 1365 case KERN_AUTONICEVAL: 1366 if (t < PRIO_MIN) 1367 t = PRIO_MIN; 1368 else if (t > PRIO_MAX) 1369 t = PRIO_MAX; 1370 autoniceval = t; 1371 break; 1372 } 1373 1374 return (0); 1375 } 1376 1377 /* 1378 * sysctl helper routine for kern.msgbufsize and kern.msgbuf. for the 1379 * former it merely checks the message buffer is set up. for the latter, 1380 * it also copies out the data if necessary. 1381 */ 1382 static int 1383 sysctl_msgbuf(SYSCTLFN_ARGS) 1384 { 1385 char *where = oldp; 1386 size_t len, maxlen; 1387 long beg, end; 1388 int error; 1389 1390 if (!msgbufenabled || msgbufp->msg_magic != MSG_MAGIC) { 1391 msgbufenabled = 0; 1392 return (ENXIO); 1393 } 1394 1395 switch (rnode->sysctl_num) { 1396 case KERN_MSGBUFSIZE: { 1397 struct sysctlnode node = *rnode; 1398 int msg_bufs = (int)msgbufp->msg_bufs; 1399 node.sysctl_data = &msg_bufs; 1400 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1401 } 1402 case KERN_MSGBUF: 1403 break; 1404 default: 1405 return (EOPNOTSUPP); 1406 } 1407 1408 if (newp != NULL) 1409 return (EPERM); 1410 1411 if (oldp == NULL) { 1412 /* always return full buffer size */ 1413 *oldlenp = msgbufp->msg_bufs; 1414 return (0); 1415 } 1416 1417 error = 0; 1418 maxlen = MIN(msgbufp->msg_bufs, *oldlenp); 1419 1420 /* 1421 * First, copy from the write pointer to the end of 1422 * message buffer. 1423 */ 1424 beg = msgbufp->msg_bufx; 1425 end = msgbufp->msg_bufs; 1426 while (maxlen > 0) { 1427 len = MIN(end - beg, maxlen); 1428 if (len == 0) 1429 break; 1430 error = dcopyout(l, &msgbufp->msg_bufc[beg], where, len); 1431 if (error) 1432 break; 1433 where += len; 1434 maxlen -= len; 1435 1436 /* 1437 * ... then, copy from the beginning of message buffer to 1438 * the write pointer. 1439 */ 1440 beg = 0; 1441 end = msgbufp->msg_bufx; 1442 } 1443 1444 return (error); 1445 } 1446 1447 /* 1448 * sysctl helper routine for kern.defcorename. in the case of a new 1449 * string being assigned, check that it's not a zero-length string. 1450 * (XXX the check in -current doesn't work, but do we really care?) 1451 */ 1452 static int 1453 sysctl_kern_defcorename(SYSCTLFN_ARGS) 1454 { 1455 int error; 1456 char *newcorename; 1457 struct sysctlnode node; 1458 1459 newcorename = PNBUF_GET(); 1460 node = *rnode; 1461 node.sysctl_data = &newcorename[0]; 1462 memcpy(node.sysctl_data, rnode->sysctl_data, MAXPATHLEN); 1463 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1464 if (error || newp == NULL) { 1465 goto done; 1466 } 1467 1468 /* 1469 * when sysctl_lookup() deals with a string, it's guaranteed 1470 * to come back nul terminated. so there. :) 1471 */ 1472 if (strlen(newcorename) == 0) { 1473 error = EINVAL; 1474 } else { 1475 memcpy(rnode->sysctl_data, node.sysctl_data, MAXPATHLEN); 1476 error = 0; 1477 } 1478 done: 1479 PNBUF_PUT(newcorename); 1480 return error; 1481 } 1482 1483 /* 1484 * sysctl helper routine for kern.cp_time node. adds up cpu time 1485 * across all cpus. 1486 */ 1487 static int 1488 sysctl_kern_cptime(SYSCTLFN_ARGS) 1489 { 1490 struct sysctlnode node = *rnode; 1491 1492 #ifndef MULTIPROCESSOR 1493 1494 if (namelen == 1) { 1495 if (name[0] != 0) 1496 return (ENOENT); 1497 /* 1498 * you're allowed to ask for the zero'th processor 1499 */ 1500 name++; 1501 namelen--; 1502 } 1503 node.sysctl_data = curcpu()->ci_schedstate.spc_cp_time; 1504 node.sysctl_size = sizeof(curcpu()->ci_schedstate.spc_cp_time); 1505 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1506 1507 #else /* MULTIPROCESSOR */ 1508 1509 uint64_t *cp_time = NULL; 1510 int error, n = sysctl_ncpus(), i; 1511 struct cpu_info *ci; 1512 CPU_INFO_ITERATOR cii; 1513 1514 /* 1515 * if you specifically pass a buffer that is the size of the 1516 * sum, or if you are probing for the size, you get the "sum" 1517 * of cp_time (and the size thereof) across all processors. 1518 * 1519 * alternately, you can pass an additional mib number and get 1520 * cp_time for that particular processor. 1521 */ 1522 switch (namelen) { 1523 case 0: 1524 if (*oldlenp == sizeof(uint64_t) * CPUSTATES || oldp == NULL) { 1525 node.sysctl_size = sizeof(uint64_t) * CPUSTATES; 1526 n = -1; /* SUM */ 1527 } 1528 else { 1529 node.sysctl_size = n * sizeof(uint64_t) * CPUSTATES; 1530 n = -2; /* ALL */ 1531 } 1532 break; 1533 case 1: 1534 if (name[0] < 0 || name[0] >= n) 1535 return (ENOENT); /* ENOSUCHPROCESSOR */ 1536 node.sysctl_size = sizeof(uint64_t) * CPUSTATES; 1537 n = name[0]; 1538 /* 1539 * adjust these so that sysctl_lookup() will be happy 1540 */ 1541 name++; 1542 namelen--; 1543 break; 1544 default: 1545 return (EINVAL); 1546 } 1547 1548 cp_time = malloc(node.sysctl_size, M_TEMP, M_WAITOK|M_CANFAIL); 1549 if (cp_time == NULL) 1550 return (ENOMEM); 1551 node.sysctl_data = cp_time; 1552 memset(cp_time, 0, node.sysctl_size); 1553 1554 for (CPU_INFO_FOREACH(cii, ci)) { 1555 if (n <= 0) 1556 for (i = 0; i < CPUSTATES; i++) 1557 cp_time[i] += ci->ci_schedstate.spc_cp_time[i]; 1558 /* 1559 * if a specific processor was requested and we just 1560 * did it, we're done here 1561 */ 1562 if (n == 0) 1563 break; 1564 /* 1565 * if doing "all", skip to next cp_time set for next processor 1566 */ 1567 if (n == -2) 1568 cp_time += CPUSTATES; 1569 /* 1570 * if we're doing a specific processor, we're one 1571 * processor closer 1572 */ 1573 if (n > 0) 1574 n--; 1575 } 1576 1577 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1578 free(node.sysctl_data, M_TEMP); 1579 return (error); 1580 1581 #endif /* MULTIPROCESSOR */ 1582 } 1583 1584 #if NPTY > 0 1585 /* 1586 * sysctl helper routine for kern.maxptys. ensures that any new value 1587 * is acceptable to the pty subsystem. 1588 */ 1589 static int 1590 sysctl_kern_maxptys(SYSCTLFN_ARGS) 1591 { 1592 int pty_maxptys(int, int); /* defined in kern/tty_pty.c */ 1593 int error, xmax; 1594 struct sysctlnode node; 1595 1596 /* get current value of maxptys */ 1597 xmax = pty_maxptys(0, 0); 1598 1599 node = *rnode; 1600 node.sysctl_data = &xmax; 1601 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1602 if (error || newp == NULL) 1603 return (error); 1604 1605 if (xmax != pty_maxptys(xmax, 1)) 1606 return (EINVAL); 1607 1608 return (0); 1609 } 1610 #endif /* NPTY > 0 */ 1611 1612 /* 1613 * sysctl helper routine for kern.sbmax. basically just ensures that 1614 * any new value is not too small. 1615 */ 1616 static int 1617 sysctl_kern_sbmax(SYSCTLFN_ARGS) 1618 { 1619 int error, new_sbmax; 1620 struct sysctlnode node; 1621 1622 new_sbmax = sb_max; 1623 node = *rnode; 1624 node.sysctl_data = &new_sbmax; 1625 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1626 if (error || newp == NULL) 1627 return (error); 1628 1629 error = sb_max_set(new_sbmax); 1630 1631 return (error); 1632 } 1633 1634 /* 1635 * sysctl helper routine for kern.urandom node. picks a random number 1636 * for you. 1637 */ 1638 static int 1639 sysctl_kern_urnd(SYSCTLFN_ARGS) 1640 { 1641 #if NRND > 0 1642 int v; 1643 1644 if (rnd_extract_data(&v, sizeof(v), RND_EXTRACT_ANY) == sizeof(v)) { 1645 struct sysctlnode node = *rnode; 1646 node.sysctl_data = &v; 1647 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1648 } 1649 else 1650 return (EIO); /*XXX*/ 1651 #else 1652 return (EOPNOTSUPP); 1653 #endif 1654 } 1655 1656 /* 1657 * sysctl helper routine for kern.arandom node. picks a random number 1658 * for you. 1659 */ 1660 static int 1661 sysctl_kern_arnd(SYSCTLFN_ARGS) 1662 { 1663 #if NRND > 0 1664 int error; 1665 void *v; 1666 struct sysctlnode node = *rnode; 1667 1668 if (*oldlenp == 0) 1669 return 0; 1670 if (*oldlenp > 8192) 1671 return E2BIG; 1672 1673 v = malloc(*oldlenp, M_TEMP, M_WAITOK); 1674 1675 arc4randbytes(v, *oldlenp); 1676 node.sysctl_data = v; 1677 node.sysctl_size = *oldlenp; 1678 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1679 free(v, M_TEMP); 1680 return error; 1681 #else 1682 return (EOPNOTSUPP); 1683 #endif 1684 } 1685 /* 1686 * sysctl helper routine to do kern.lwp.* work. 1687 */ 1688 static int 1689 sysctl_kern_lwp(SYSCTLFN_ARGS) 1690 { 1691 struct kinfo_lwp klwp; 1692 struct proc *p; 1693 struct lwp *l2; 1694 char *where, *dp; 1695 int pid, elem_size, elem_count; 1696 int buflen, needed, error; 1697 1698 if (namelen == 1 && name[0] == CTL_QUERY) 1699 return (sysctl_query(SYSCTLFN_CALL(rnode))); 1700 1701 dp = where = oldp; 1702 buflen = where != NULL ? *oldlenp : 0; 1703 error = needed = 0; 1704 1705 if (newp != NULL || namelen != 3) 1706 return (EINVAL); 1707 pid = name[0]; 1708 elem_size = name[1]; 1709 elem_count = name[2]; 1710 1711 p = pfind(pid); 1712 if (p == NULL) 1713 return (ESRCH); 1714 LIST_FOREACH(l2, &p->p_lwps, l_sibling) { 1715 if (buflen >= elem_size && elem_count > 0) { 1716 fill_lwp(l2, &klwp); 1717 /* 1718 * Copy out elem_size, but not larger than 1719 * the size of a struct kinfo_proc2. 1720 */ 1721 error = dcopyout(l, &klwp, dp, 1722 min(sizeof(klwp), elem_size)); 1723 if (error) 1724 goto cleanup; 1725 dp += elem_size; 1726 buflen -= elem_size; 1727 elem_count--; 1728 } 1729 needed += elem_size; 1730 } 1731 1732 if (where != NULL) { 1733 *oldlenp = dp - where; 1734 if (needed > *oldlenp) 1735 return (ENOMEM); 1736 } else { 1737 needed += KERN_LWPSLOP; 1738 *oldlenp = needed; 1739 } 1740 return (0); 1741 cleanup: 1742 return (error); 1743 } 1744 1745 /* 1746 * sysctl helper routine for kern.forkfsleep node. ensures that the 1747 * given value is not too large or two small, and is at least one 1748 * timer tick if not zero. 1749 */ 1750 static int 1751 sysctl_kern_forkfsleep(SYSCTLFN_ARGS) 1752 { 1753 /* userland sees value in ms, internally is in ticks */ 1754 extern int forkfsleep; /* defined in kern/kern_fork.c */ 1755 int error, timo, lsleep; 1756 struct sysctlnode node; 1757 1758 lsleep = forkfsleep * 1000 / hz; 1759 node = *rnode; 1760 node.sysctl_data = &lsleep; 1761 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1762 if (error || newp == NULL) 1763 return (error); 1764 1765 /* refuse negative values, and overly 'long time' */ 1766 if (lsleep < 0 || lsleep > MAXSLP * 1000) 1767 return (EINVAL); 1768 1769 timo = mstohz(lsleep); 1770 1771 /* if the interval is >0 ms && <1 tick, use 1 tick */ 1772 if (lsleep != 0 && timo == 0) 1773 forkfsleep = 1; 1774 else 1775 forkfsleep = timo; 1776 1777 return (0); 1778 } 1779 1780 /* 1781 * sysctl helper routine for kern.root_partition 1782 */ 1783 static int 1784 sysctl_kern_root_partition(SYSCTLFN_ARGS) 1785 { 1786 int rootpart = DISKPART(rootdev); 1787 struct sysctlnode node = *rnode; 1788 1789 node.sysctl_data = &rootpart; 1790 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1791 } 1792 1793 /* 1794 * sysctl helper function for kern.drivers 1795 */ 1796 static int 1797 sysctl_kern_drivers(SYSCTLFN_ARGS) 1798 { 1799 int error; 1800 size_t buflen; 1801 struct kinfo_drivers kd; 1802 char *start, *where; 1803 const char *dname; 1804 int i; 1805 extern struct devsw_conv *devsw_conv; 1806 extern int max_devsw_convs; 1807 1808 if (newp != NULL || namelen != 0) 1809 return (EINVAL); 1810 1811 start = where = oldp; 1812 buflen = *oldlenp; 1813 if (where == NULL) { 1814 *oldlenp = max_devsw_convs * sizeof kd; 1815 return 0; 1816 } 1817 1818 /* 1819 * An array of kinfo_drivers structures 1820 */ 1821 error = 0; 1822 for (i = 0; i < max_devsw_convs; i++) { 1823 dname = devsw_conv[i].d_name; 1824 if (dname == NULL) 1825 continue; 1826 if (buflen < sizeof kd) { 1827 error = ENOMEM; 1828 break; 1829 } 1830 memset(&kd, 0, sizeof(kd)); 1831 kd.d_bmajor = devsw_conv[i].d_bmajor; 1832 kd.d_cmajor = devsw_conv[i].d_cmajor; 1833 strlcpy(kd.d_name, dname, sizeof kd.d_name); 1834 error = dcopyout(l, &kd, where, sizeof kd); 1835 if (error != 0) 1836 break; 1837 buflen -= sizeof kd; 1838 where += sizeof kd; 1839 } 1840 *oldlenp = where - start; 1841 return error; 1842 } 1843 1844 /* 1845 * sysctl helper function for kern.file2 1846 */ 1847 static int 1848 sysctl_kern_file2(SYSCTLFN_ARGS) 1849 { 1850 struct proc *p; 1851 struct file *fp; 1852 struct filedesc *fd; 1853 struct kinfo_file kf; 1854 char *dp; 1855 u_int i, op; 1856 size_t len, needed, elem_size, out_size; 1857 int error, arg, elem_count; 1858 1859 if (namelen == 1 && name[0] == CTL_QUERY) 1860 return (sysctl_query(SYSCTLFN_CALL(rnode))); 1861 1862 if (namelen != 4) 1863 return (EINVAL); 1864 1865 error = 0; 1866 dp = oldp; 1867 len = (oldp != NULL) ? *oldlenp : 0; 1868 op = name[0]; 1869 arg = name[1]; 1870 elem_size = name[2]; 1871 elem_count = name[3]; 1872 out_size = MIN(sizeof(kf), elem_size); 1873 needed = 0; 1874 1875 if (elem_size < 1 || elem_count < 0) 1876 return (EINVAL); 1877 1878 switch (op) { 1879 case KERN_FILE_BYFILE: 1880 /* 1881 * doesn't use arg so it must be zero 1882 */ 1883 if (arg != 0) 1884 return (EINVAL); 1885 LIST_FOREACH(fp, &filehead, f_list) { 1886 if (kauth_authorize_generic(l->l_cred, 1887 KAUTH_GENERIC_CANSEE, fp->f_cred) != 0) 1888 continue; 1889 if (len >= elem_size && elem_count > 0) { 1890 fill_file(&kf, fp, NULL, 0); 1891 error = dcopyout(l, &kf, dp, out_size); 1892 if (error) 1893 break; 1894 dp += elem_size; 1895 len -= elem_size; 1896 } 1897 if (elem_count > 0) { 1898 needed += elem_size; 1899 if (elem_count != INT_MAX) 1900 elem_count--; 1901 } 1902 } 1903 break; 1904 case KERN_FILE_BYPID: 1905 if (arg < -1) 1906 /* -1 means all processes */ 1907 return (EINVAL); 1908 proclist_lock_read(); 1909 PROCLIST_FOREACH(p, &allproc) { 1910 if (p->p_stat == SIDL) 1911 /* skip embryonic processes */ 1912 continue; 1913 if (kauth_authorize_process(l->l_cred, 1914 KAUTH_PROCESS_CANSEE, p, NULL, NULL, NULL) != 0) 1915 continue; 1916 if (arg > 0 && p->p_pid != arg) 1917 /* pick only the one we want */ 1918 /* XXX want 0 to mean "kernel files" */ 1919 continue; 1920 fd = p->p_fd; 1921 for (i = 0; i < fd->fd_nfiles; i++) { 1922 fp = fd->fd_ofiles[i]; 1923 if (fp == NULL || !FILE_IS_USABLE(fp)) 1924 continue; 1925 if (len >= elem_size && elem_count > 0) { 1926 fill_file(&kf, fd->fd_ofiles[i], 1927 p, i); 1928 error = dcopyout(l, &kf, dp, out_size); 1929 if (error) 1930 break; 1931 dp += elem_size; 1932 len -= elem_size; 1933 } 1934 if (elem_count > 0) { 1935 needed += elem_size; 1936 if (elem_count != INT_MAX) 1937 elem_count--; 1938 } 1939 } 1940 } 1941 proclist_unlock_read(); 1942 break; 1943 default: 1944 return (EINVAL); 1945 } 1946 1947 if (oldp == NULL) 1948 needed += KERN_FILESLOP * elem_size; 1949 *oldlenp = needed; 1950 1951 return (error); 1952 } 1953 1954 static void 1955 fill_file(struct kinfo_file *kp, const struct file *fp, struct proc *p, int i) 1956 { 1957 1958 memset(kp, 0, sizeof(*kp)); 1959 1960 kp->ki_fileaddr = PTRTOUINT64(fp); 1961 kp->ki_flag = fp->f_flag; 1962 kp->ki_iflags = fp->f_iflags; 1963 kp->ki_ftype = fp->f_type; 1964 kp->ki_count = fp->f_count; 1965 kp->ki_msgcount = fp->f_msgcount; 1966 kp->ki_usecount = fp->f_usecount; 1967 kp->ki_fucred = PTRTOUINT64(fp->f_cred); 1968 kp->ki_fuid = kauth_cred_geteuid(fp->f_cred); 1969 kp->ki_fgid = kauth_cred_getegid(fp->f_cred); 1970 kp->ki_fops = PTRTOUINT64(fp->f_ops); 1971 kp->ki_foffset = fp->f_offset; 1972 kp->ki_fdata = PTRTOUINT64(fp->f_data); 1973 1974 /* vnode information to glue this file to something */ 1975 if (fp->f_type == DTYPE_VNODE) { 1976 struct vnode *vp = (struct vnode *)fp->f_data; 1977 1978 kp->ki_vun = PTRTOUINT64(vp->v_un.vu_socket); 1979 kp->ki_vsize = vp->v_size; 1980 kp->ki_vtype = vp->v_type; 1981 kp->ki_vtag = vp->v_tag; 1982 kp->ki_vdata = PTRTOUINT64(vp->v_data); 1983 } 1984 1985 /* process information when retrieved via KERN_FILE_BYPID */ 1986 if (p) { 1987 kp->ki_pid = p->p_pid; 1988 kp->ki_fd = i; 1989 kp->ki_ofileflags = p->p_fd->fd_ofileflags[i]; 1990 } 1991 } 1992 1993 static int 1994 sysctl_doeproc(SYSCTLFN_ARGS) 1995 { 1996 struct eproc *eproc; 1997 struct kinfo_proc2 *kproc2; 1998 struct kinfo_proc *dp; 1999 struct proc *p; 2000 const struct proclist_desc *pd; 2001 char *where, *dp2; 2002 int type, op, arg; 2003 u_int elem_size, elem_count; 2004 size_t buflen, needed; 2005 int error; 2006 2007 if (namelen == 1 && name[0] == CTL_QUERY) 2008 return (sysctl_query(SYSCTLFN_CALL(rnode))); 2009 2010 dp = oldp; 2011 dp2 = where = oldp; 2012 buflen = where != NULL ? *oldlenp : 0; 2013 error = 0; 2014 needed = 0; 2015 type = rnode->sysctl_num; 2016 2017 if (type == KERN_PROC) { 2018 if (namelen != 2 && !(namelen == 1 && name[0] == KERN_PROC_ALL)) 2019 return (EINVAL); 2020 op = name[0]; 2021 if (op != KERN_PROC_ALL) 2022 arg = name[1]; 2023 else 2024 arg = 0; /* Quell compiler warning */ 2025 elem_size = elem_count = 0; /* Ditto */ 2026 } else { 2027 if (namelen != 4) 2028 return (EINVAL); 2029 op = name[0]; 2030 arg = name[1]; 2031 elem_size = name[2]; 2032 elem_count = name[3]; 2033 } 2034 2035 if (type == KERN_PROC) { 2036 eproc = malloc(sizeof(*eproc), M_TEMP, M_WAITOK); 2037 kproc2 = NULL; 2038 } else { 2039 eproc = NULL; 2040 kproc2 = malloc(sizeof(*kproc2), M_TEMP, M_WAITOK); 2041 } 2042 proclist_lock_read(); 2043 2044 pd = proclists; 2045 again: 2046 PROCLIST_FOREACH(p, pd->pd_list) { 2047 /* 2048 * Skip embryonic processes. 2049 */ 2050 if (p->p_stat == SIDL) 2051 continue; 2052 2053 if (kauth_authorize_process(l->l_cred, 2054 KAUTH_PROCESS_CANSEE, p, NULL, NULL, NULL) != 0) 2055 continue; 2056 2057 /* 2058 * TODO - make more efficient (see notes below). 2059 * do by session. 2060 */ 2061 switch (op) { 2062 2063 case KERN_PROC_PID: 2064 /* could do this with just a lookup */ 2065 if (p->p_pid != (pid_t)arg) 2066 continue; 2067 break; 2068 2069 case KERN_PROC_PGRP: 2070 /* could do this by traversing pgrp */ 2071 if (p->p_pgrp->pg_id != (pid_t)arg) 2072 continue; 2073 break; 2074 2075 case KERN_PROC_SESSION: 2076 if (p->p_session->s_sid != (pid_t)arg) 2077 continue; 2078 break; 2079 2080 case KERN_PROC_TTY: 2081 if (arg == (int) KERN_PROC_TTY_REVOKE) { 2082 if ((p->p_flag & P_CONTROLT) == 0 || 2083 p->p_session->s_ttyp == NULL || 2084 p->p_session->s_ttyvp != NULL) 2085 continue; 2086 } else if ((p->p_flag & P_CONTROLT) == 0 || 2087 p->p_session->s_ttyp == NULL) { 2088 if ((dev_t)arg != KERN_PROC_TTY_NODEV) 2089 continue; 2090 } else if (p->p_session->s_ttyp->t_dev != (dev_t)arg) 2091 continue; 2092 break; 2093 2094 case KERN_PROC_UID: 2095 if (kauth_cred_geteuid(p->p_cred) != (uid_t)arg) 2096 continue; 2097 break; 2098 2099 case KERN_PROC_RUID: 2100 if (kauth_cred_getuid(p->p_cred) != (uid_t)arg) 2101 continue; 2102 break; 2103 2104 case KERN_PROC_GID: 2105 if (kauth_cred_getegid(p->p_cred) != (uid_t)arg) 2106 continue; 2107 break; 2108 2109 case KERN_PROC_RGID: 2110 if (kauth_cred_getgid(p->p_cred) != (uid_t)arg) 2111 continue; 2112 break; 2113 2114 case KERN_PROC_ALL: 2115 /* allow everything */ 2116 break; 2117 2118 default: 2119 error = EINVAL; 2120 goto cleanup; 2121 } 2122 if (type == KERN_PROC) { 2123 if (buflen >= sizeof(struct kinfo_proc)) { 2124 fill_eproc(p, eproc); 2125 error = dcopyout(l, p, &dp->kp_proc, 2126 sizeof(struct proc)); 2127 if (error) 2128 goto cleanup; 2129 error = dcopyout(l, eproc, &dp->kp_eproc, 2130 sizeof(*eproc)); 2131 if (error) 2132 goto cleanup; 2133 dp++; 2134 buflen -= sizeof(struct kinfo_proc); 2135 } 2136 needed += sizeof(struct kinfo_proc); 2137 } else { /* KERN_PROC2 */ 2138 if (buflen >= elem_size && elem_count > 0) { 2139 fill_kproc2(p, kproc2); 2140 /* 2141 * Copy out elem_size, but not larger than 2142 * the size of a struct kinfo_proc2. 2143 */ 2144 error = dcopyout(l, kproc2, dp2, 2145 min(sizeof(*kproc2), elem_size)); 2146 if (error) 2147 goto cleanup; 2148 dp2 += elem_size; 2149 buflen -= elem_size; 2150 elem_count--; 2151 } 2152 needed += elem_size; 2153 } 2154 } 2155 pd++; 2156 if (pd->pd_list != NULL) 2157 goto again; 2158 proclist_unlock_read(); 2159 2160 if (where != NULL) { 2161 if (type == KERN_PROC) 2162 *oldlenp = (char *)dp - where; 2163 else 2164 *oldlenp = dp2 - where; 2165 if (needed > *oldlenp) { 2166 error = ENOMEM; 2167 goto out; 2168 } 2169 } else { 2170 needed += KERN_PROCSLOP; 2171 *oldlenp = needed; 2172 } 2173 if (kproc2) 2174 free(kproc2, M_TEMP); 2175 if (eproc) 2176 free(eproc, M_TEMP); 2177 return 0; 2178 cleanup: 2179 proclist_unlock_read(); 2180 out: 2181 if (kproc2) 2182 free(kproc2, M_TEMP); 2183 if (eproc) 2184 free(eproc, M_TEMP); 2185 return error; 2186 } 2187 2188 /* 2189 * sysctl helper routine for kern.proc_args pseudo-subtree. 2190 */ 2191 static int 2192 sysctl_kern_proc_args(SYSCTLFN_ARGS) 2193 { 2194 struct ps_strings pss; 2195 struct proc *p; 2196 size_t len, i; 2197 struct uio auio; 2198 struct iovec aiov; 2199 pid_t pid; 2200 int nargv, type, error; 2201 char *arg; 2202 char **argv = NULL; 2203 char *tmp; 2204 struct vmspace *vmspace; 2205 vaddr_t psstr_addr; 2206 vaddr_t offsetn; 2207 vaddr_t offsetv; 2208 2209 if (namelen == 1 && name[0] == CTL_QUERY) 2210 return (sysctl_query(SYSCTLFN_CALL(rnode))); 2211 2212 if (newp != NULL || namelen != 2) 2213 return (EINVAL); 2214 pid = name[0]; 2215 type = name[1]; 2216 2217 switch (type) { 2218 case KERN_PROC_ARGV: 2219 case KERN_PROC_NARGV: 2220 case KERN_PROC_ENV: 2221 case KERN_PROC_NENV: 2222 /* ok */ 2223 break; 2224 default: 2225 return (EINVAL); 2226 } 2227 2228 proclist_lock_read(); 2229 2230 /* check pid */ 2231 if ((p = p_find(pid, PFIND_LOCKED)) == NULL) { 2232 error = EINVAL; 2233 goto out_locked; 2234 } 2235 2236 error = kauth_authorize_process(l->l_cred, 2237 KAUTH_PROCESS_CANSEE, p, NULL, NULL, NULL); 2238 if (error) { 2239 goto out_locked; 2240 } 2241 2242 /* only root or same user change look at the environment */ 2243 if (type == KERN_PROC_ENV || type == KERN_PROC_NENV) { 2244 if (kauth_authorize_process(l->l_cred, KAUTH_PROCESS_CANSEE, 2245 p, NULL, NULL, NULL)) { 2246 error = EPERM; 2247 goto out_locked; 2248 } 2249 } 2250 2251 if (oldp == NULL) { 2252 if (type == KERN_PROC_NARGV || type == KERN_PROC_NENV) 2253 *oldlenp = sizeof (int); 2254 else 2255 *oldlenp = ARG_MAX; /* XXX XXX XXX */ 2256 error = 0; 2257 goto out_locked; 2258 } 2259 2260 /* 2261 * Zombies don't have a stack, so we can't read their psstrings. 2262 * System processes also don't have a user stack. 2263 */ 2264 if (P_ZOMBIE(p) || (p->p_flag & P_SYSTEM) != 0) { 2265 error = EINVAL; 2266 goto out_locked; 2267 } 2268 2269 /* 2270 * Lock the process down in memory. 2271 */ 2272 /* XXXCDC: how should locking work here? */ 2273 if ((p->p_flag & P_WEXIT) || (p->p_vmspace->vm_refcnt < 1)) { 2274 error = EFAULT; 2275 goto out_locked; 2276 } 2277 2278 psstr_addr = (vaddr_t)p->p_psstr; 2279 if (type == KERN_PROC_ARGV || type == KERN_PROC_NARGV) { 2280 offsetn = p->p_psnargv; 2281 offsetv = p->p_psargv; 2282 } else { 2283 offsetn = p->p_psnenv; 2284 offsetv = p->p_psenv; 2285 } 2286 vmspace = p->p_vmspace; 2287 vmspace->vm_refcnt++; /* XXX */ 2288 2289 proclist_unlock_read(); 2290 2291 /* 2292 * Allocate a temporary buffer to hold the arguments. 2293 */ 2294 arg = malloc(PAGE_SIZE, M_TEMP, M_WAITOK); 2295 2296 /* 2297 * Read in the ps_strings structure. 2298 */ 2299 aiov.iov_base = &pss; 2300 aiov.iov_len = sizeof(pss); 2301 auio.uio_iov = &aiov; 2302 auio.uio_iovcnt = 1; 2303 auio.uio_offset = psstr_addr; 2304 auio.uio_resid = sizeof(pss); 2305 auio.uio_rw = UIO_READ; 2306 UIO_SETUP_SYSSPACE(&auio); 2307 error = uvm_io(&vmspace->vm_map, &auio); 2308 if (error) 2309 goto done; 2310 2311 memcpy(&nargv, (char *)&pss + offsetn, sizeof(nargv)); 2312 if (type == KERN_PROC_NARGV || type == KERN_PROC_NENV) { 2313 error = dcopyout(l, &nargv, oldp, sizeof(nargv)); 2314 *oldlenp = sizeof(nargv); 2315 goto done; 2316 } 2317 /* 2318 * Now read the address of the argument vector. 2319 */ 2320 switch (type) { 2321 case KERN_PROC_ARGV: 2322 /* FALLTHROUGH */ 2323 case KERN_PROC_ENV: 2324 memcpy(&tmp, (char *)&pss + offsetv, sizeof(tmp)); 2325 break; 2326 default: 2327 return (EINVAL); 2328 } 2329 2330 #ifdef COMPAT_NETBSD32 2331 if (p->p_flag & P_32) 2332 len = sizeof(netbsd32_charp) * nargv; 2333 else 2334 #endif 2335 len = sizeof(char *) * nargv; 2336 2337 argv = malloc(len, M_TEMP, M_WAITOK); 2338 2339 aiov.iov_base = argv; 2340 aiov.iov_len = len; 2341 auio.uio_iov = &aiov; 2342 auio.uio_iovcnt = 1; 2343 auio.uio_offset = (off_t)(unsigned long)tmp; 2344 auio.uio_resid = len; 2345 auio.uio_rw = UIO_READ; 2346 UIO_SETUP_SYSSPACE(&auio); 2347 error = uvm_io(&vmspace->vm_map, &auio); 2348 if (error) 2349 goto done; 2350 2351 /* 2352 * Now copy each string. 2353 */ 2354 len = 0; /* bytes written to user buffer */ 2355 for (i = 0; i < nargv; i++) { 2356 int finished = 0; 2357 vaddr_t base; 2358 size_t xlen; 2359 int j; 2360 2361 #ifdef COMPAT_NETBSD32 2362 if (p->p_flag & P_32) { 2363 netbsd32_charp *argv32; 2364 2365 argv32 = (netbsd32_charp *)argv; 2366 2367 base = (vaddr_t)NETBSD32PTR64(argv32[i]); 2368 } else 2369 #endif 2370 base = (vaddr_t)argv[i]; 2371 2372 while (!finished) { 2373 xlen = PAGE_SIZE - (base & PAGE_MASK); 2374 2375 aiov.iov_base = arg; 2376 aiov.iov_len = PAGE_SIZE; 2377 auio.uio_iov = &aiov; 2378 auio.uio_iovcnt = 1; 2379 auio.uio_offset = base; 2380 auio.uio_resid = xlen; 2381 auio.uio_rw = UIO_READ; 2382 UIO_SETUP_SYSSPACE(&auio); 2383 error = uvm_io(&vmspace->vm_map, &auio); 2384 if (error) 2385 goto done; 2386 2387 /* Look for the end of the string */ 2388 for (j = 0; j < xlen; j++) { 2389 if (arg[j] == '\0') { 2390 xlen = j + 1; 2391 finished = 1; 2392 break; 2393 } 2394 } 2395 2396 /* Check for user buffer overflow */ 2397 if (len + xlen > *oldlenp) { 2398 finished = 1; 2399 if (len > *oldlenp) 2400 xlen = 0; 2401 else 2402 xlen = *oldlenp - len; 2403 } 2404 2405 /* Copyout the page */ 2406 error = dcopyout(l, arg, (char *)oldp + len, xlen); 2407 if (error) 2408 goto done; 2409 2410 len += xlen; 2411 base += xlen; 2412 } 2413 } 2414 *oldlenp = len; 2415 2416 done: 2417 if (argv != NULL) 2418 free(argv, M_TEMP); 2419 2420 uvmspace_free(vmspace); 2421 2422 free(arg, M_TEMP); 2423 return error; 2424 2425 out_locked: 2426 proclist_unlock_read(); 2427 return error; 2428 } 2429 2430 /* 2431 * Sysctl helper routine for Verified Exec. 2432 */ 2433 #if NVERIEXEC > 0 2434 static int 2435 sysctl_kern_veriexec(SYSCTLFN_ARGS) 2436 { 2437 int newval, error; 2438 int *var = NULL, raise_only = 0; 2439 struct sysctlnode node; 2440 2441 node = *rnode; 2442 2443 switch (rnode->sysctl_num) { 2444 case VERIEXEC_STRICT: 2445 raise_only = 1; 2446 var = &veriexec_strict; 2447 break; 2448 case VERIEXEC_ALGORITHMS: 2449 node.sysctl_data = veriexec_fp_names; 2450 node.sysctl_size = strlen(veriexec_fp_names) + 1; 2451 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2452 default: 2453 return (EINVAL); 2454 } 2455 2456 newval = *var; 2457 2458 node.sysctl_data = &newval; 2459 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 2460 if (error || newp == NULL) { 2461 return (error); 2462 } 2463 2464 if (raise_only && (newval < *var)) 2465 return (EPERM); 2466 2467 *var = newval; 2468 2469 return (error); 2470 } 2471 #endif /* NVERIEXEC > 0 */ 2472 2473 static int 2474 sysctl_security_setidcore(SYSCTLFN_ARGS) 2475 { 2476 int newsize, error; 2477 struct sysctlnode node; 2478 2479 node = *rnode; 2480 node.sysctl_data = &newsize; 2481 newsize = *(int *)rnode->sysctl_data; 2482 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 2483 if (error || newp == NULL) 2484 return error; 2485 2486 if (kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_SETIDCORE, 2487 0, NULL, NULL, NULL)) 2488 return (EPERM); 2489 2490 *(int *)rnode->sysctl_data = newsize; 2491 2492 return 0; 2493 } 2494 2495 static int 2496 sysctl_security_setidcorename(SYSCTLFN_ARGS) 2497 { 2498 int error; 2499 char *newsetidcorename; 2500 struct sysctlnode node; 2501 2502 newsetidcorename = PNBUF_GET(); 2503 node = *rnode; 2504 node.sysctl_data = newsetidcorename; 2505 memcpy(node.sysctl_data, rnode->sysctl_data, MAXPATHLEN); 2506 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 2507 if (error || newp == NULL) { 2508 goto out; 2509 } 2510 if (kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_SETIDCORE, 2511 0, NULL, NULL, NULL)) { 2512 error = EPERM; 2513 goto out; 2514 } 2515 if (strlen(newsetidcorename) == 0) { 2516 error = EINVAL; 2517 goto out; 2518 } 2519 memcpy(rnode->sysctl_data, node.sysctl_data, MAXPATHLEN); 2520 out: 2521 PNBUF_PUT(newsetidcorename); 2522 return error; 2523 } 2524 2525 /* 2526 * sysctl helper routine for kern.cp_id node. maps cpus to their 2527 * cpuids. 2528 */ 2529 static int 2530 sysctl_kern_cpid(SYSCTLFN_ARGS) 2531 { 2532 struct sysctlnode node = *rnode; 2533 2534 #ifndef MULTIPROCESSOR 2535 uint64_t id; 2536 2537 if (namelen == 1) { 2538 if (name[0] != 0) 2539 return (ENOENT); 2540 /* 2541 * you're allowed to ask for the zero'th processor 2542 */ 2543 name++; 2544 namelen--; 2545 } 2546 node.sysctl_data = &id; 2547 node.sysctl_size = sizeof(id); 2548 id = cpu_number(); 2549 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2550 2551 #else /* MULTIPROCESSOR */ 2552 uint64_t *cp_id = NULL; 2553 int error, n = sysctl_ncpus(); 2554 struct cpu_info *ci; 2555 CPU_INFO_ITERATOR cii; 2556 2557 /* 2558 * here you may either retrieve a single cpu id or the whole 2559 * set. the size you get back when probing depends on what 2560 * you ask for. 2561 */ 2562 switch (namelen) { 2563 case 0: 2564 node.sysctl_size = n * sizeof(uint64_t); 2565 n = -2; /* ALL */ 2566 break; 2567 case 1: 2568 if (name[0] < 0 || name[0] >= n) 2569 return (ENOENT); /* ENOSUCHPROCESSOR */ 2570 node.sysctl_size = sizeof(uint64_t); 2571 n = name[0]; 2572 /* 2573 * adjust these so that sysctl_lookup() will be happy 2574 */ 2575 name++; 2576 namelen--; 2577 break; 2578 default: 2579 return (EINVAL); 2580 } 2581 2582 cp_id = malloc(node.sysctl_size, M_TEMP, M_WAITOK|M_CANFAIL); 2583 if (cp_id == NULL) 2584 return (ENOMEM); 2585 node.sysctl_data = cp_id; 2586 memset(cp_id, 0, node.sysctl_size); 2587 2588 for (CPU_INFO_FOREACH(cii, ci)) { 2589 if (n <= 0) 2590 cp_id[0] = ci->ci_cpuid; 2591 /* 2592 * if a specific processor was requested and we just 2593 * did it, we're done here 2594 */ 2595 if (n == 0) 2596 break; 2597 /* 2598 * if doing "all", skip to next cp_id slot for next processor 2599 */ 2600 if (n == -2) 2601 cp_id++; 2602 /* 2603 * if we're doing a specific processor, we're one 2604 * processor closer 2605 */ 2606 if (n > 0) 2607 n--; 2608 } 2609 2610 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 2611 free(node.sysctl_data, M_TEMP); 2612 return (error); 2613 2614 #endif /* MULTIPROCESSOR */ 2615 } 2616 2617 /* 2618 * sysctl helper routine for hw.usermem and hw.usermem64. values are 2619 * calculate on the fly taking into account integer overflow and the 2620 * current wired count. 2621 */ 2622 static int 2623 sysctl_hw_usermem(SYSCTLFN_ARGS) 2624 { 2625 u_int ui; 2626 u_quad_t uq; 2627 struct sysctlnode node; 2628 2629 node = *rnode; 2630 switch (rnode->sysctl_num) { 2631 case HW_USERMEM: 2632 if ((ui = physmem - uvmexp.wired) > (UINT_MAX / PAGE_SIZE)) 2633 ui = UINT_MAX; 2634 else 2635 ui *= PAGE_SIZE; 2636 node.sysctl_data = &ui; 2637 break; 2638 case HW_USERMEM64: 2639 uq = (u_quad_t)(physmem - uvmexp.wired) * PAGE_SIZE; 2640 node.sysctl_data = &uq; 2641 break; 2642 default: 2643 return (EINVAL); 2644 } 2645 2646 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2647 } 2648 2649 /* 2650 * sysctl helper routine for kern.cnmagic node. pulls the old value 2651 * out, encoded, and stuffs the new value in for decoding. 2652 */ 2653 static int 2654 sysctl_hw_cnmagic(SYSCTLFN_ARGS) 2655 { 2656 char magic[CNS_LEN]; 2657 int error; 2658 struct sysctlnode node; 2659 2660 if (oldp) 2661 cn_get_magic(magic, CNS_LEN); 2662 node = *rnode; 2663 node.sysctl_data = &magic[0]; 2664 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 2665 if (error || newp == NULL) 2666 return (error); 2667 2668 return (cn_set_magic(magic)); 2669 } 2670 2671 static int 2672 sysctl_hw_ncpu(SYSCTLFN_ARGS) 2673 { 2674 int ncpu; 2675 struct sysctlnode node; 2676 2677 ncpu = sysctl_ncpus(); 2678 node = *rnode; 2679 node.sysctl_data = &ncpu; 2680 2681 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2682 } 2683 2684 2685 /* 2686 * ******************************************************************** 2687 * section 3: public helper routines that are used for more than one 2688 * node 2689 * ******************************************************************** 2690 */ 2691 2692 /* 2693 * sysctl helper routine for the kern.root_device node and some ports' 2694 * machdep.root_device nodes. 2695 */ 2696 int 2697 sysctl_root_device(SYSCTLFN_ARGS) 2698 { 2699 struct sysctlnode node; 2700 2701 node = *rnode; 2702 node.sysctl_data = root_device->dv_xname; 2703 node.sysctl_size = strlen(root_device->dv_xname) + 1; 2704 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2705 } 2706 2707 /* 2708 * sysctl helper routine for kern.consdev, dependent on the current 2709 * state of the console. also used for machdep.console_device on some 2710 * ports. 2711 */ 2712 int 2713 sysctl_consdev(SYSCTLFN_ARGS) 2714 { 2715 dev_t consdev; 2716 struct sysctlnode node; 2717 2718 if (cn_tab != NULL) 2719 consdev = cn_tab->cn_dev; 2720 else 2721 consdev = NODEV; 2722 node = *rnode; 2723 node.sysctl_data = &consdev; 2724 node.sysctl_size = sizeof(consdev); 2725 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2726 } 2727 2728 /* 2729 * ******************************************************************** 2730 * section 4: support for some helpers 2731 * ******************************************************************** 2732 */ 2733 2734 /* 2735 * Fill in a kinfo_proc2 structure for the specified process. 2736 */ 2737 static void 2738 fill_kproc2(struct proc *p, struct kinfo_proc2 *ki) 2739 { 2740 struct tty *tp; 2741 struct lwp *l; 2742 struct timeval ut, st; 2743 2744 memset(ki, 0, sizeof(*ki)); 2745 2746 ki->p_paddr = PTRTOUINT64(p); 2747 ki->p_fd = PTRTOUINT64(p->p_fd); 2748 ki->p_cwdi = PTRTOUINT64(p->p_cwdi); 2749 ki->p_stats = PTRTOUINT64(p->p_stats); 2750 ki->p_limit = PTRTOUINT64(p->p_limit); 2751 ki->p_vmspace = PTRTOUINT64(p->p_vmspace); 2752 ki->p_sigacts = PTRTOUINT64(p->p_sigacts); 2753 ki->p_sess = PTRTOUINT64(p->p_session); 2754 ki->p_tsess = 0; /* may be changed if controlling tty below */ 2755 ki->p_ru = PTRTOUINT64(p->p_ru); 2756 2757 ki->p_eflag = 0; 2758 ki->p_exitsig = p->p_exitsig; 2759 ki->p_flag = p->p_flag; 2760 2761 ki->p_pid = p->p_pid; 2762 if (p->p_pptr) 2763 ki->p_ppid = p->p_pptr->p_pid; 2764 else 2765 ki->p_ppid = 0; 2766 ki->p_sid = p->p_session->s_sid; 2767 ki->p__pgid = p->p_pgrp->pg_id; 2768 2769 ki->p_tpgid = NO_PGID; /* may be changed if controlling tty below */ 2770 2771 ki->p_uid = kauth_cred_geteuid(p->p_cred); 2772 ki->p_ruid = kauth_cred_getuid(p->p_cred); 2773 ki->p_gid = kauth_cred_getegid(p->p_cred); 2774 ki->p_rgid = kauth_cred_getgid(p->p_cred); 2775 ki->p_svuid = kauth_cred_getsvuid(p->p_cred); 2776 ki->p_svgid = kauth_cred_getsvgid(p->p_cred); 2777 2778 ki->p_ngroups = kauth_cred_ngroups(p->p_cred); 2779 kauth_cred_getgroups(p->p_cred, ki->p_groups, 2780 min(ki->p_ngroups, sizeof(ki->p_groups) / sizeof(ki->p_groups[0]))); 2781 2782 ki->p_jobc = p->p_pgrp->pg_jobc; 2783 if ((p->p_flag & P_CONTROLT) && (tp = p->p_session->s_ttyp)) { 2784 ki->p_tdev = tp->t_dev; 2785 ki->p_tpgid = tp->t_pgrp ? tp->t_pgrp->pg_id : NO_PGID; 2786 ki->p_tsess = PTRTOUINT64(tp->t_session); 2787 } else { 2788 ki->p_tdev = NODEV; 2789 } 2790 2791 ki->p_estcpu = p->p_estcpu; 2792 ki->p_rtime_sec = p->p_rtime.tv_sec; 2793 ki->p_rtime_usec = p->p_rtime.tv_usec; 2794 ki->p_cpticks = p->p_cpticks; 2795 ki->p_pctcpu = p->p_pctcpu; 2796 2797 ki->p_uticks = p->p_uticks; 2798 ki->p_sticks = p->p_sticks; 2799 ki->p_iticks = p->p_iticks; 2800 2801 ki->p_tracep = PTRTOUINT64(p->p_tracep); 2802 ki->p_traceflag = p->p_traceflag; 2803 2804 2805 memcpy(&ki->p_siglist, &p->p_sigctx.ps_siglist, sizeof(ki_sigset_t)); 2806 memcpy(&ki->p_sigmask, &p->p_sigctx.ps_sigmask, sizeof(ki_sigset_t)); 2807 memcpy(&ki->p_sigignore, &p->p_sigctx.ps_sigignore,sizeof(ki_sigset_t)); 2808 memcpy(&ki->p_sigcatch, &p->p_sigctx.ps_sigcatch, sizeof(ki_sigset_t)); 2809 2810 ki->p_stat = p->p_stat; /* Will likely be overridden by LWP status */ 2811 ki->p_realstat = p->p_stat; 2812 ki->p_nice = p->p_nice; 2813 2814 ki->p_xstat = p->p_xstat; 2815 ki->p_acflag = p->p_acflag; 2816 2817 strncpy(ki->p_comm, p->p_comm, 2818 min(sizeof(ki->p_comm), sizeof(p->p_comm))); 2819 2820 strncpy(ki->p_login, p->p_session->s_login, 2821 min(sizeof ki->p_login - 1, sizeof p->p_session->s_login)); 2822 2823 ki->p_nlwps = p->p_nlwps; 2824 ki->p_nrlwps = p->p_nrlwps; 2825 ki->p_realflag = p->p_flag; 2826 2827 if (p->p_stat == SIDL || P_ZOMBIE(p)) { 2828 ki->p_vm_rssize = 0; 2829 ki->p_vm_tsize = 0; 2830 ki->p_vm_dsize = 0; 2831 ki->p_vm_ssize = 0; 2832 l = NULL; 2833 } else { 2834 struct vmspace *vm = p->p_vmspace; 2835 2836 ki->p_vm_rssize = vm_resident_count(vm); 2837 ki->p_vm_tsize = vm->vm_tsize; 2838 ki->p_vm_dsize = vm->vm_dsize; 2839 ki->p_vm_ssize = vm->vm_ssize; 2840 2841 /* Pick a "representative" LWP */ 2842 l = proc_representative_lwp(p); 2843 ki->p_forw = PTRTOUINT64(l->l_forw); 2844 ki->p_back = PTRTOUINT64(l->l_back); 2845 ki->p_addr = PTRTOUINT64(l->l_addr); 2846 ki->p_stat = l->l_stat; 2847 ki->p_flag |= l->l_flag & P_SHARED; 2848 ki->p_swtime = l->l_swtime; 2849 ki->p_slptime = l->l_slptime; 2850 if (l->l_stat == LSONPROC) { 2851 KDASSERT(l->l_cpu != NULL); 2852 ki->p_schedflags = l->l_cpu->ci_schedstate.spc_flags; 2853 } else 2854 ki->p_schedflags = 0; 2855 ki->p_holdcnt = l->l_holdcnt; 2856 ki->p_priority = l->l_priority; 2857 ki->p_usrpri = l->l_usrpri; 2858 if (l->l_wmesg) 2859 strncpy(ki->p_wmesg, l->l_wmesg, sizeof(ki->p_wmesg)); 2860 ki->p_wchan = PTRTOUINT64(l->l_wchan); 2861 2862 } 2863 2864 if (p->p_session->s_ttyvp) 2865 ki->p_eflag |= EPROC_CTTY; 2866 if (SESS_LEADER(p)) 2867 ki->p_eflag |= EPROC_SLEADER; 2868 2869 /* XXX Is this double check necessary? */ 2870 if (P_ZOMBIE(p)) { 2871 ki->p_uvalid = 0; 2872 } else { 2873 ki->p_uvalid = 1; 2874 2875 ki->p_ustart_sec = p->p_stats->p_start.tv_sec; 2876 ki->p_ustart_usec = p->p_stats->p_start.tv_usec; 2877 2878 calcru(p, &ut, &st, 0); 2879 ki->p_uutime_sec = ut.tv_sec; 2880 ki->p_uutime_usec = ut.tv_usec; 2881 ki->p_ustime_sec = st.tv_sec; 2882 ki->p_ustime_usec = st.tv_usec; 2883 2884 ki->p_uru_maxrss = p->p_stats->p_ru.ru_maxrss; 2885 ki->p_uru_ixrss = p->p_stats->p_ru.ru_ixrss; 2886 ki->p_uru_idrss = p->p_stats->p_ru.ru_idrss; 2887 ki->p_uru_isrss = p->p_stats->p_ru.ru_isrss; 2888 ki->p_uru_minflt = p->p_stats->p_ru.ru_minflt; 2889 ki->p_uru_majflt = p->p_stats->p_ru.ru_majflt; 2890 ki->p_uru_nswap = p->p_stats->p_ru.ru_nswap; 2891 ki->p_uru_inblock = p->p_stats->p_ru.ru_inblock; 2892 ki->p_uru_oublock = p->p_stats->p_ru.ru_oublock; 2893 ki->p_uru_msgsnd = p->p_stats->p_ru.ru_msgsnd; 2894 ki->p_uru_msgrcv = p->p_stats->p_ru.ru_msgrcv; 2895 ki->p_uru_nsignals = p->p_stats->p_ru.ru_nsignals; 2896 ki->p_uru_nvcsw = p->p_stats->p_ru.ru_nvcsw; 2897 ki->p_uru_nivcsw = p->p_stats->p_ru.ru_nivcsw; 2898 2899 timeradd(&p->p_stats->p_cru.ru_utime, 2900 &p->p_stats->p_cru.ru_stime, &ut); 2901 ki->p_uctime_sec = ut.tv_sec; 2902 ki->p_uctime_usec = ut.tv_usec; 2903 } 2904 #ifdef MULTIPROCESSOR 2905 if (l && l->l_cpu != NULL) 2906 ki->p_cpuid = l->l_cpu->ci_cpuid; 2907 else 2908 #endif 2909 ki->p_cpuid = KI_NOCPU; 2910 } 2911 2912 /* 2913 * Fill in a kinfo_lwp structure for the specified lwp. 2914 */ 2915 static void 2916 fill_lwp(struct lwp *l, struct kinfo_lwp *kl) 2917 { 2918 2919 kl->l_forw = PTRTOUINT64(l->l_forw); 2920 kl->l_back = PTRTOUINT64(l->l_back); 2921 kl->l_laddr = PTRTOUINT64(l); 2922 kl->l_addr = PTRTOUINT64(l->l_addr); 2923 kl->l_stat = l->l_stat; 2924 kl->l_lid = l->l_lid; 2925 kl->l_flag = l->l_flag; 2926 2927 kl->l_swtime = l->l_swtime; 2928 kl->l_slptime = l->l_slptime; 2929 if (l->l_stat == LSONPROC) { 2930 KDASSERT(l->l_cpu != NULL); 2931 kl->l_schedflags = l->l_cpu->ci_schedstate.spc_flags; 2932 } else 2933 kl->l_schedflags = 0; 2934 kl->l_holdcnt = l->l_holdcnt; 2935 kl->l_priority = l->l_priority; 2936 kl->l_usrpri = l->l_usrpri; 2937 if (l->l_wmesg) 2938 strncpy(kl->l_wmesg, l->l_wmesg, sizeof(kl->l_wmesg)); 2939 kl->l_wchan = PTRTOUINT64(l->l_wchan); 2940 #ifdef MULTIPROCESSOR 2941 if (l->l_cpu != NULL) 2942 kl->l_cpuid = l->l_cpu->ci_cpuid; 2943 else 2944 #endif 2945 kl->l_cpuid = KI_NOCPU; 2946 } 2947 2948 /* 2949 * Fill in an eproc structure for the specified process. 2950 */ 2951 void 2952 fill_eproc(struct proc *p, struct eproc *ep) 2953 { 2954 struct tty *tp; 2955 struct lwp *l; 2956 2957 ep->e_paddr = p; 2958 ep->e_sess = p->p_session; 2959 kauth_cred_topcred(p->p_cred, &ep->e_pcred); 2960 kauth_cred_toucred(p->p_cred, &ep->e_ucred); 2961 if (p->p_stat == SIDL || P_ZOMBIE(p)) { 2962 ep->e_vm.vm_rssize = 0; 2963 ep->e_vm.vm_tsize = 0; 2964 ep->e_vm.vm_dsize = 0; 2965 ep->e_vm.vm_ssize = 0; 2966 /* ep->e_vm.vm_pmap = XXX; */ 2967 } else { 2968 struct vmspace *vm = p->p_vmspace; 2969 2970 ep->e_vm.vm_rssize = vm_resident_count(vm); 2971 ep->e_vm.vm_tsize = vm->vm_tsize; 2972 ep->e_vm.vm_dsize = vm->vm_dsize; 2973 ep->e_vm.vm_ssize = vm->vm_ssize; 2974 2975 /* Pick a "representative" LWP */ 2976 l = proc_representative_lwp(p); 2977 2978 if (l->l_wmesg) 2979 strncpy(ep->e_wmesg, l->l_wmesg, WMESGLEN); 2980 } 2981 if (p->p_pptr) 2982 ep->e_ppid = p->p_pptr->p_pid; 2983 else 2984 ep->e_ppid = 0; 2985 ep->e_pgid = p->p_pgrp->pg_id; 2986 ep->e_sid = ep->e_sess->s_sid; 2987 ep->e_jobc = p->p_pgrp->pg_jobc; 2988 if ((p->p_flag & P_CONTROLT) && 2989 (tp = ep->e_sess->s_ttyp)) { 2990 ep->e_tdev = tp->t_dev; 2991 ep->e_tpgid = tp->t_pgrp ? tp->t_pgrp->pg_id : NO_PGID; 2992 ep->e_tsess = tp->t_session; 2993 } else 2994 ep->e_tdev = NODEV; 2995 2996 ep->e_xsize = ep->e_xrssize = 0; 2997 ep->e_xccount = ep->e_xswrss = 0; 2998 ep->e_flag = ep->e_sess->s_ttyvp ? EPROC_CTTY : 0; 2999 if (SESS_LEADER(p)) 3000 ep->e_flag |= EPROC_SLEADER; 3001 strncpy(ep->e_login, ep->e_sess->s_login, MAXLOGNAME); 3002 } 3003
Indexes created Mon Sep 22 21:09:42 GMT 2025