init_sysctl.c revision 1.60
1 /* $NetBSD: init_sysctl.c,v 1.60 2006/01/27 03:14:56 elad Exp $ */ 2 3 /*- 4 * Copyright (c) 2003 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Andrew Brown. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: init_sysctl.c,v 1.60 2006/01/27 03:14:56 elad Exp $"); 41 42 #include "opt_sysv.h" 43 #include "opt_multiprocessor.h" 44 #include "opt_posix.h" 45 #include "opt_verified_exec.h" 46 #include "pty.h" 47 #include "rnd.h" 48 49 #include <sys/types.h> 50 #include <sys/param.h> 51 #include <sys/sysctl.h> 52 #include <sys/errno.h> 53 #include <sys/systm.h> 54 #include <sys/kernel.h> 55 #include <sys/unistd.h> 56 #include <sys/disklabel.h> 57 #include <sys/rnd.h> 58 #include <sys/vnode.h> 59 #include <sys/mount.h> 60 #include <sys/namei.h> 61 #include <sys/msgbuf.h> 62 #include <dev/cons.h> 63 #include <sys/socketvar.h> 64 #include <sys/file.h> 65 #include <sys/filedesc.h> 66 #include <sys/tty.h> 67 #include <sys/malloc.h> 68 #include <sys/resource.h> 69 #include <sys/resourcevar.h> 70 #include <sys/exec.h> 71 #include <sys/conf.h> 72 #include <sys/device.h> 73 #ifdef VERIFIED_EXEC 74 #define VERIEXEC_NEED_NODE 75 #include <sys/verified_exec.h> 76 #endif /* VERIFIED_EXEC */ 77 78 #if defined(SYSVMSG) || defined(SYSVSEM) || defined(SYSVSHM) 79 #include <sys/ipc.h> 80 #endif 81 #ifdef SYSVMSG 82 #include <sys/msg.h> 83 #endif 84 #ifdef SYSVSEM 85 #include <sys/sem.h> 86 #endif 87 #ifdef SYSVSHM 88 #include <sys/shm.h> 89 #endif 90 91 #include <machine/cpu.h> 92 93 /* XXX this should not be here */ 94 int security_curtain = 0; 95 96 /* 97 * try over estimating by 5 procs/lwps 98 */ 99 #define KERN_PROCSLOP (5 * sizeof(struct kinfo_proc)) 100 #define KERN_LWPSLOP (5 * sizeof(struct kinfo_lwp)) 101 102 #ifndef MULTIPROCESSOR 103 #define sysctl_ncpus() (1) 104 #else /* MULTIPROCESSOR */ 105 #ifndef CPU_INFO_FOREACH 106 #define CPU_INFO_ITERATOR int 107 #define CPU_INFO_FOREACH(cii, ci) cii = 0, ci = curcpu(); ci != NULL; ci = NULL 108 #endif 109 static int 110 sysctl_ncpus(void) 111 { 112 struct cpu_info *ci; 113 CPU_INFO_ITERATOR cii; 114 115 int ncpus = 0; 116 for (CPU_INFO_FOREACH(cii, ci)) 117 ncpus++; 118 return (ncpus); 119 } 120 #endif /* MULTIPROCESSOR */ 121 122 static int sysctl_kern_maxvnodes(SYSCTLFN_PROTO); 123 static int sysctl_kern_rtc_offset(SYSCTLFN_PROTO); 124 static int sysctl_kern_maxproc(SYSCTLFN_PROTO); 125 static int sysctl_kern_securelevel(SYSCTLFN_PROTO); 126 static int sysctl_kern_hostid(SYSCTLFN_PROTO); 127 static int sysctl_setlen(SYSCTLFN_PROTO); 128 static int sysctl_kern_clockrate(SYSCTLFN_PROTO); 129 static int sysctl_kern_file(SYSCTLFN_PROTO); 130 static int sysctl_kern_autonice(SYSCTLFN_PROTO); 131 static int sysctl_msgbuf(SYSCTLFN_PROTO); 132 static int sysctl_kern_defcorename(SYSCTLFN_PROTO); 133 static int sysctl_kern_cptime(SYSCTLFN_PROTO); 134 #if defined(SYSVMSG) || defined(SYSVSEM) || defined(SYSVSHM) 135 static int sysctl_kern_sysvipc(SYSCTLFN_PROTO); 136 #endif /* defined(SYSVMSG) || defined(SYSVSEM) || defined(SYSVSHM) */ 137 #if NPTY > 0 138 static int sysctl_kern_maxptys(SYSCTLFN_PROTO); 139 #endif /* NPTY > 0 */ 140 static int sysctl_kern_sbmax(SYSCTLFN_PROTO); 141 static int sysctl_kern_urnd(SYSCTLFN_PROTO); 142 static int sysctl_kern_lwp(SYSCTLFN_PROTO); 143 static int sysctl_kern_forkfsleep(SYSCTLFN_PROTO); 144 static int sysctl_kern_root_partition(SYSCTLFN_PROTO); 145 static int sysctl_kern_drivers(SYSCTLFN_PROTO); 146 static int sysctl_kern_file2(SYSCTLFN_PROTO); 147 #ifdef VERIFIED_EXEC 148 static int sysctl_kern_veriexec(SYSCTLFN_PROTO); 149 #endif 150 static int sysctl_kern_cpid(SYSCTLFN_PROTO); 151 static int sysctl_doeproc(SYSCTLFN_PROTO); 152 static int sysctl_kern_proc_args(SYSCTLFN_PROTO); 153 static int sysctl_hw_usermem(SYSCTLFN_PROTO); 154 static int sysctl_hw_cnmagic(SYSCTLFN_PROTO); 155 static int sysctl_hw_ncpu(SYSCTLFN_PROTO); 156 157 static void fill_kproc2(struct proc *, struct kinfo_proc2 *); 158 static void fill_lwp(struct lwp *l, struct kinfo_lwp *kl); 159 static void fill_file(struct kinfo_file *, const struct file *, struct proc *, 160 int); 161 162 /* 163 * ******************************************************************** 164 * section 1: setup routines 165 * ******************************************************************** 166 * these functions are stuffed into a link set for sysctl setup 167 * functions. they're never called or referenced from anywhere else. 168 * ******************************************************************** 169 */ 170 171 /* 172 * sets up the base nodes... 173 */ 174 SYSCTL_SETUP(sysctl_root_setup, "sysctl base setup") 175 { 176 177 sysctl_createv(clog, 0, NULL, NULL, 178 CTLFLAG_PERMANENT, 179 CTLTYPE_NODE, "kern", 180 SYSCTL_DESCR("High kernel"), 181 NULL, 0, NULL, 0, 182 CTL_KERN, CTL_EOL); 183 sysctl_createv(clog, 0, NULL, NULL, 184 CTLFLAG_PERMANENT, 185 CTLTYPE_NODE, "vm", 186 SYSCTL_DESCR("Virtual memory"), 187 NULL, 0, NULL, 0, 188 CTL_VM, CTL_EOL); 189 sysctl_createv(clog, 0, NULL, NULL, 190 CTLFLAG_PERMANENT, 191 CTLTYPE_NODE, "vfs", 192 SYSCTL_DESCR("Filesystem"), 193 NULL, 0, NULL, 0, 194 CTL_VFS, CTL_EOL); 195 sysctl_createv(clog, 0, NULL, NULL, 196 CTLFLAG_PERMANENT, 197 CTLTYPE_NODE, "net", 198 SYSCTL_DESCR("Networking"), 199 NULL, 0, NULL, 0, 200 CTL_NET, CTL_EOL); 201 sysctl_createv(clog, 0, NULL, NULL, 202 CTLFLAG_PERMANENT, 203 CTLTYPE_NODE, "debug", 204 SYSCTL_DESCR("Debugging"), 205 NULL, 0, NULL, 0, 206 CTL_DEBUG, CTL_EOL); 207 sysctl_createv(clog, 0, NULL, NULL, 208 CTLFLAG_PERMANENT, 209 CTLTYPE_NODE, "hw", 210 SYSCTL_DESCR("Generic CPU, I/O"), 211 NULL, 0, NULL, 0, 212 CTL_HW, CTL_EOL); 213 sysctl_createv(clog, 0, NULL, NULL, 214 CTLFLAG_PERMANENT, 215 CTLTYPE_NODE, "machdep", 216 SYSCTL_DESCR("Machine dependent"), 217 NULL, 0, NULL, 0, 218 CTL_MACHDEP, CTL_EOL); 219 /* 220 * this node is inserted so that the sysctl nodes in libc can 221 * operate. 222 */ 223 sysctl_createv(clog, 0, NULL, NULL, 224 CTLFLAG_PERMANENT, 225 CTLTYPE_NODE, "user", 226 SYSCTL_DESCR("User-level"), 227 NULL, 0, NULL, 0, 228 CTL_USER, CTL_EOL); 229 sysctl_createv(clog, 0, NULL, NULL, 230 CTLFLAG_PERMANENT, 231 CTLTYPE_NODE, "ddb", 232 SYSCTL_DESCR("In-kernel debugger"), 233 NULL, 0, NULL, 0, 234 CTL_DDB, CTL_EOL); 235 sysctl_createv(clog, 0, NULL, NULL, 236 CTLFLAG_PERMANENT, 237 CTLTYPE_NODE, "proc", 238 SYSCTL_DESCR("Per-process"), 239 NULL, 0, NULL, 0, 240 CTL_PROC, CTL_EOL); 241 sysctl_createv(clog, 0, NULL, NULL, 242 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 243 CTLTYPE_NODE, "vendor", 244 SYSCTL_DESCR("Vendor specific"), 245 NULL, 0, NULL, 0, 246 CTL_VENDOR, CTL_EOL); 247 sysctl_createv(clog, 0, NULL, NULL, 248 CTLFLAG_PERMANENT, 249 CTLTYPE_NODE, "emul", 250 SYSCTL_DESCR("Emulation settings"), 251 NULL, 0, NULL, 0, 252 CTL_EMUL, CTL_EOL); 253 sysctl_createv(clog, 0, NULL, NULL, 254 CTLFLAG_PERMANENT, 255 CTLTYPE_NODE, "security", 256 SYSCTL_DESCR("Security"), 257 NULL, 0, NULL, 0, 258 CTL_SECURITY, CTL_EOL); 259 } 260 261 /* 262 * this setup routine is a replacement for kern_sysctl() 263 */ 264 SYSCTL_SETUP(sysctl_kern_setup, "sysctl kern subtree setup") 265 { 266 extern int kern_logsigexit; /* defined in kern/kern_sig.c */ 267 extern fixpt_t ccpu; /* defined in kern/kern_synch.c */ 268 extern int dumponpanic; /* defined in kern/subr_prf.c */ 269 270 sysctl_createv(clog, 0, NULL, NULL, 271 CTLFLAG_PERMANENT, 272 CTLTYPE_NODE, "kern", NULL, 273 NULL, 0, NULL, 0, 274 CTL_KERN, CTL_EOL); 275 276 sysctl_createv(clog, 0, NULL, NULL, 277 CTLFLAG_PERMANENT, 278 CTLTYPE_STRING, "ostype", 279 SYSCTL_DESCR("Operating system type"), 280 NULL, 0, &ostype, 0, 281 CTL_KERN, KERN_OSTYPE, CTL_EOL); 282 sysctl_createv(clog, 0, NULL, NULL, 283 CTLFLAG_PERMANENT, 284 CTLTYPE_STRING, "osrelease", 285 SYSCTL_DESCR("Operating system release"), 286 NULL, 0, &osrelease, 0, 287 CTL_KERN, KERN_OSRELEASE, CTL_EOL); 288 sysctl_createv(clog, 0, NULL, NULL, 289 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 290 CTLTYPE_INT, "osrevision", 291 SYSCTL_DESCR("Operating system revision"), 292 NULL, __NetBSD_Version__, NULL, 0, 293 CTL_KERN, KERN_OSREV, CTL_EOL); 294 sysctl_createv(clog, 0, NULL, NULL, 295 CTLFLAG_PERMANENT, 296 CTLTYPE_STRING, "version", 297 SYSCTL_DESCR("Kernel version"), 298 NULL, 0, &version, 0, 299 CTL_KERN, KERN_VERSION, CTL_EOL); 300 sysctl_createv(clog, 0, NULL, NULL, 301 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 302 CTLTYPE_INT, "maxvnodes", 303 SYSCTL_DESCR("Maximum number of vnodes"), 304 sysctl_kern_maxvnodes, 0, NULL, 0, 305 CTL_KERN, KERN_MAXVNODES, CTL_EOL); 306 sysctl_createv(clog, 0, NULL, NULL, 307 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 308 CTLTYPE_INT, "maxproc", 309 SYSCTL_DESCR("Maximum number of simultaneous processes"), 310 sysctl_kern_maxproc, 0, NULL, 0, 311 CTL_KERN, KERN_MAXPROC, CTL_EOL); 312 sysctl_createv(clog, 0, NULL, NULL, 313 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 314 CTLTYPE_INT, "maxfiles", 315 SYSCTL_DESCR("Maximum number of open files"), 316 NULL, 0, &maxfiles, 0, 317 CTL_KERN, KERN_MAXFILES, CTL_EOL); 318 sysctl_createv(clog, 0, NULL, NULL, 319 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 320 CTLTYPE_INT, "argmax", 321 SYSCTL_DESCR("Maximum number of bytes of arguments to " 322 "execve(2)"), 323 NULL, ARG_MAX, NULL, 0, 324 CTL_KERN, KERN_ARGMAX, CTL_EOL); 325 sysctl_createv(clog, 0, NULL, NULL, 326 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 327 CTLTYPE_INT, "securelevel", 328 SYSCTL_DESCR("System security level"), 329 sysctl_kern_securelevel, 0, &securelevel, 0, 330 CTL_KERN, KERN_SECURELVL, CTL_EOL); 331 sysctl_createv(clog, 0, NULL, NULL, 332 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 333 CTLTYPE_STRING, "hostname", 334 SYSCTL_DESCR("System hostname"), 335 sysctl_setlen, 0, &hostname, MAXHOSTNAMELEN, 336 CTL_KERN, KERN_HOSTNAME, CTL_EOL); 337 sysctl_createv(clog, 0, NULL, NULL, 338 CTLFLAG_PERMANENT|CTLFLAG_READWRITE|CTLFLAG_HEX, 339 CTLTYPE_INT, "hostid", 340 SYSCTL_DESCR("System host ID number"), 341 sysctl_kern_hostid, 0, NULL, 0, 342 CTL_KERN, KERN_HOSTID, CTL_EOL); 343 sysctl_createv(clog, 0, NULL, NULL, 344 CTLFLAG_PERMANENT, 345 CTLTYPE_STRUCT, "clockrate", 346 SYSCTL_DESCR("Kernel clock rates"), 347 sysctl_kern_clockrate, 0, NULL, 348 sizeof(struct clockinfo), 349 CTL_KERN, KERN_CLOCKRATE, CTL_EOL); 350 sysctl_createv(clog, 0, NULL, NULL, 351 CTLFLAG_PERMANENT, 352 CTLTYPE_INT, "hardclock_ticks", 353 SYSCTL_DESCR("Number of hardclock ticks"), 354 NULL, 0, &hardclock_ticks, sizeof(hardclock_ticks), 355 CTL_KERN, KERN_HARDCLOCK_TICKS, CTL_EOL); 356 sysctl_createv(clog, 0, NULL, NULL, 357 CTLFLAG_PERMANENT, 358 CTLTYPE_STRUCT, "vnode", 359 SYSCTL_DESCR("System vnode table"), 360 sysctl_kern_vnode, 0, NULL, 0, 361 CTL_KERN, KERN_VNODE, CTL_EOL); 362 sysctl_createv(clog, 0, NULL, NULL, 363 CTLFLAG_PERMANENT, 364 CTLTYPE_STRUCT, "file", 365 SYSCTL_DESCR("System open file table"), 366 sysctl_kern_file, 0, NULL, 0, 367 CTL_KERN, KERN_FILE, CTL_EOL); 368 #ifndef GPROF 369 sysctl_createv(clog, 0, NULL, NULL, 370 CTLFLAG_PERMANENT, 371 CTLTYPE_NODE, "profiling", 372 SYSCTL_DESCR("Profiling information (not available)"), 373 sysctl_notavail, 0, NULL, 0, 374 CTL_KERN, KERN_PROF, CTL_EOL); 375 #endif 376 sysctl_createv(clog, 0, NULL, NULL, 377 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 378 CTLTYPE_INT, "posix1version", 379 SYSCTL_DESCR("Version of ISO/IEC 9945 (POSIX 1003.1) " 380 "with which the operating system attempts " 381 "to comply"), 382 NULL, _POSIX_VERSION, NULL, 0, 383 CTL_KERN, KERN_POSIX1, CTL_EOL); 384 sysctl_createv(clog, 0, NULL, NULL, 385 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 386 CTLTYPE_INT, "ngroups", 387 SYSCTL_DESCR("Maximum number of supplemental groups"), 388 NULL, NGROUPS_MAX, NULL, 0, 389 CTL_KERN, KERN_NGROUPS, CTL_EOL); 390 sysctl_createv(clog, 0, NULL, NULL, 391 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 392 CTLTYPE_INT, "job_control", 393 SYSCTL_DESCR("Whether job control is available"), 394 NULL, 1, NULL, 0, 395 CTL_KERN, KERN_JOB_CONTROL, CTL_EOL); 396 sysctl_createv(clog, 0, NULL, NULL, 397 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 398 CTLTYPE_INT, "saved_ids", 399 SYSCTL_DESCR("Whether POSIX saved set-group/user ID is " 400 "available"), NULL, 401 #ifdef _POSIX_SAVED_IDS 402 1, 403 #else /* _POSIX_SAVED_IDS */ 404 0, 405 #endif /* _POSIX_SAVED_IDS */ 406 NULL, 0, CTL_KERN, KERN_SAVED_IDS, CTL_EOL); 407 sysctl_createv(clog, 0, NULL, NULL, 408 CTLFLAG_PERMANENT, 409 CTLTYPE_STRUCT, "boottime", 410 SYSCTL_DESCR("System boot time"), 411 NULL, 0, &boottime, sizeof(boottime), 412 CTL_KERN, KERN_BOOTTIME, CTL_EOL); 413 sysctl_createv(clog, 0, NULL, NULL, 414 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 415 CTLTYPE_STRING, "domainname", 416 SYSCTL_DESCR("YP domain name"), 417 sysctl_setlen, 0, &domainname, MAXHOSTNAMELEN, 418 CTL_KERN, KERN_DOMAINNAME, CTL_EOL); 419 sysctl_createv(clog, 0, NULL, NULL, 420 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 421 CTLTYPE_INT, "maxpartitions", 422 SYSCTL_DESCR("Maximum number of partitions allowed per " 423 "disk"), 424 NULL, MAXPARTITIONS, NULL, 0, 425 CTL_KERN, KERN_MAXPARTITIONS, CTL_EOL); 426 sysctl_createv(clog, 0, NULL, NULL, 427 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 428 CTLTYPE_INT, "rawpartition", 429 SYSCTL_DESCR("Raw partition of a disk"), 430 NULL, RAW_PART, NULL, 0, 431 CTL_KERN, KERN_RAWPARTITION, CTL_EOL); 432 sysctl_createv(clog, 0, NULL, NULL, 433 CTLFLAG_PERMANENT, 434 CTLTYPE_STRUCT, "timex", NULL, 435 sysctl_notavail, 0, NULL, 0, 436 CTL_KERN, KERN_TIMEX, CTL_EOL); 437 sysctl_createv(clog, 0, NULL, NULL, 438 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 439 CTLTYPE_INT, "autonicetime", 440 SYSCTL_DESCR("CPU clock seconds before non-root " 441 "process priority is lowered"), 442 sysctl_kern_autonice, 0, &autonicetime, 0, 443 CTL_KERN, KERN_AUTONICETIME, CTL_EOL); 444 sysctl_createv(clog, 0, NULL, NULL, 445 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 446 CTLTYPE_INT, "autoniceval", 447 SYSCTL_DESCR("Automatic reniced non-root process " 448 "priority"), 449 sysctl_kern_autonice, 0, &autoniceval, 0, 450 CTL_KERN, KERN_AUTONICEVAL, CTL_EOL); 451 sysctl_createv(clog, 0, NULL, NULL, 452 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 453 CTLTYPE_INT, "rtc_offset", 454 SYSCTL_DESCR("Offset of real time clock from UTC in " 455 "minutes"), 456 sysctl_kern_rtc_offset, 0, &rtc_offset, 0, 457 CTL_KERN, KERN_RTC_OFFSET, CTL_EOL); 458 sysctl_createv(clog, 0, NULL, NULL, 459 CTLFLAG_PERMANENT, 460 CTLTYPE_STRING, "root_device", 461 SYSCTL_DESCR("Name of the root device"), 462 sysctl_root_device, 0, NULL, 0, 463 CTL_KERN, KERN_ROOT_DEVICE, CTL_EOL); 464 sysctl_createv(clog, 0, NULL, NULL, 465 CTLFLAG_PERMANENT, 466 CTLTYPE_INT, "msgbufsize", 467 SYSCTL_DESCR("Size of the kernel message buffer"), 468 sysctl_msgbuf, 0, NULL, 0, 469 CTL_KERN, KERN_MSGBUFSIZE, CTL_EOL); 470 sysctl_createv(clog, 0, NULL, NULL, 471 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 472 CTLTYPE_INT, "fsync", 473 SYSCTL_DESCR("Whether the POSIX 1003.1b File " 474 "Synchronization Option is available on " 475 "this system"), 476 NULL, 1, NULL, 0, 477 CTL_KERN, KERN_FSYNC, CTL_EOL); 478 sysctl_createv(clog, 0, NULL, NULL, 479 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 480 CTLTYPE_INT, "sysvmsg", 481 SYSCTL_DESCR("System V style message support available"), 482 NULL, 483 #ifdef SYSVMSG 484 1, 485 #else /* SYSVMSG */ 486 0, 487 #endif /* SYSVMSG */ 488 NULL, 0, CTL_KERN, KERN_SYSVMSG, CTL_EOL); 489 sysctl_createv(clog, 0, NULL, NULL, 490 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 491 CTLTYPE_INT, "sysvsem", 492 SYSCTL_DESCR("System V style semaphore support " 493 "available"), NULL, 494 #ifdef SYSVSEM 495 1, 496 #else /* SYSVSEM */ 497 0, 498 #endif /* SYSVSEM */ 499 NULL, 0, CTL_KERN, KERN_SYSVSEM, CTL_EOL); 500 sysctl_createv(clog, 0, NULL, NULL, 501 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 502 CTLTYPE_INT, "sysvshm", 503 SYSCTL_DESCR("System V style shared memory support " 504 "available"), NULL, 505 #ifdef SYSVSHM 506 1, 507 #else /* SYSVSHM */ 508 0, 509 #endif /* SYSVSHM */ 510 NULL, 0, CTL_KERN, KERN_SYSVSHM, CTL_EOL); 511 sysctl_createv(clog, 0, NULL, NULL, 512 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 513 CTLTYPE_INT, "synchronized_io", 514 SYSCTL_DESCR("Whether the POSIX 1003.1b Synchronized " 515 "I/O Option is available on this system"), 516 NULL, 1, NULL, 0, 517 CTL_KERN, KERN_SYNCHRONIZED_IO, CTL_EOL); 518 sysctl_createv(clog, 0, NULL, NULL, 519 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 520 CTLTYPE_INT, "iov_max", 521 SYSCTL_DESCR("Maximum number of iovec structures per " 522 "process"), 523 NULL, IOV_MAX, NULL, 0, 524 CTL_KERN, KERN_IOV_MAX, CTL_EOL); 525 sysctl_createv(clog, 0, NULL, NULL, 526 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 527 CTLTYPE_INT, "mapped_files", 528 SYSCTL_DESCR("Whether the POSIX 1003.1b Memory Mapped " 529 "Files Option is available on this system"), 530 NULL, 1, NULL, 0, 531 CTL_KERN, KERN_MAPPED_FILES, CTL_EOL); 532 sysctl_createv(clog, 0, NULL, NULL, 533 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 534 CTLTYPE_INT, "memlock", 535 SYSCTL_DESCR("Whether the POSIX 1003.1b Process Memory " 536 "Locking Option is available on this " 537 "system"), 538 NULL, 1, NULL, 0, 539 CTL_KERN, KERN_MEMLOCK, CTL_EOL); 540 sysctl_createv(clog, 0, NULL, NULL, 541 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 542 CTLTYPE_INT, "memlock_range", 543 SYSCTL_DESCR("Whether the POSIX 1003.1b Range Memory " 544 "Locking Option is available on this " 545 "system"), 546 NULL, 1, NULL, 0, 547 CTL_KERN, KERN_MEMLOCK_RANGE, CTL_EOL); 548 sysctl_createv(clog, 0, NULL, NULL, 549 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 550 CTLTYPE_INT, "memory_protection", 551 SYSCTL_DESCR("Whether the POSIX 1003.1b Memory " 552 "Protection Option is available on this " 553 "system"), 554 NULL, 1, NULL, 0, 555 CTL_KERN, KERN_MEMORY_PROTECTION, CTL_EOL); 556 sysctl_createv(clog, 0, NULL, NULL, 557 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 558 CTLTYPE_INT, "login_name_max", 559 SYSCTL_DESCR("Maximum login name length"), 560 NULL, LOGIN_NAME_MAX, NULL, 0, 561 CTL_KERN, KERN_LOGIN_NAME_MAX, CTL_EOL); 562 sysctl_createv(clog, 0, NULL, NULL, 563 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 564 CTLTYPE_STRING, "defcorename", 565 SYSCTL_DESCR("Default core file name"), 566 sysctl_kern_defcorename, 0, defcorename, MAXPATHLEN, 567 CTL_KERN, KERN_DEFCORENAME, CTL_EOL); 568 sysctl_createv(clog, 0, NULL, NULL, 569 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 570 CTLTYPE_INT, "logsigexit", 571 SYSCTL_DESCR("Log process exit when caused by signals"), 572 NULL, 0, &kern_logsigexit, 0, 573 CTL_KERN, KERN_LOGSIGEXIT, CTL_EOL); 574 sysctl_createv(clog, 0, NULL, NULL, 575 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 576 CTLTYPE_INT, "fscale", 577 SYSCTL_DESCR("Kernel fixed-point scale factor"), 578 NULL, FSCALE, NULL, 0, 579 CTL_KERN, KERN_FSCALE, CTL_EOL); 580 sysctl_createv(clog, 0, NULL, NULL, 581 CTLFLAG_PERMANENT, 582 CTLTYPE_INT, "ccpu", 583 SYSCTL_DESCR("Scheduler exponential decay value"), 584 NULL, 0, &ccpu, 0, 585 CTL_KERN, KERN_CCPU, CTL_EOL); 586 sysctl_createv(clog, 0, NULL, NULL, 587 CTLFLAG_PERMANENT, 588 CTLTYPE_STRUCT, "cp_time", 589 SYSCTL_DESCR("Clock ticks spent in different CPU states"), 590 sysctl_kern_cptime, 0, NULL, 0, 591 CTL_KERN, KERN_CP_TIME, CTL_EOL); 592 #if defined(SYSVMSG) || defined(SYSVSEM) || defined(SYSVSHM) 593 sysctl_createv(clog, 0, NULL, NULL, 594 CTLFLAG_PERMANENT, 595 CTLTYPE_STRUCT, "sysvipc_info", 596 SYSCTL_DESCR("System V style IPC information"), 597 sysctl_kern_sysvipc, 0, NULL, 0, 598 CTL_KERN, KERN_SYSVIPC_INFO, CTL_EOL); 599 #endif /* SYSVMSG || SYSVSEM || SYSVSHM */ 600 sysctl_createv(clog, 0, NULL, NULL, 601 CTLFLAG_PERMANENT, 602 CTLTYPE_INT, "msgbuf", 603 SYSCTL_DESCR("Kernel message buffer"), 604 sysctl_msgbuf, 0, NULL, 0, 605 CTL_KERN, KERN_MSGBUF, CTL_EOL); 606 sysctl_createv(clog, 0, NULL, NULL, 607 CTLFLAG_PERMANENT, 608 CTLTYPE_STRUCT, "consdev", 609 SYSCTL_DESCR("Console device"), 610 sysctl_consdev, 0, NULL, sizeof(dev_t), 611 CTL_KERN, KERN_CONSDEV, CTL_EOL); 612 #if NPTY > 0 613 sysctl_createv(clog, 0, NULL, NULL, 614 CTLFLAG_PERMANENT, 615 CTLTYPE_INT, "maxptys", 616 SYSCTL_DESCR("Maximum number of pseudo-ttys"), 617 sysctl_kern_maxptys, 0, NULL, 0, 618 CTL_KERN, KERN_MAXPTYS, CTL_EOL); 619 #endif /* NPTY > 0 */ 620 sysctl_createv(clog, 0, NULL, NULL, 621 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 622 CTLTYPE_INT, "maxphys", 623 SYSCTL_DESCR("Maximum raw I/O transfer size"), 624 NULL, MAXPHYS, NULL, 0, 625 CTL_KERN, KERN_MAXPHYS, CTL_EOL); 626 sysctl_createv(clog, 0, NULL, NULL, 627 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 628 CTLTYPE_INT, "sbmax", 629 SYSCTL_DESCR("Maximum socket buffer size"), 630 sysctl_kern_sbmax, 0, NULL, 0, 631 CTL_KERN, KERN_SBMAX, CTL_EOL); 632 sysctl_createv(clog, 0, NULL, NULL, 633 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 634 CTLTYPE_INT, "monotonic_clock", 635 SYSCTL_DESCR("Implementation version of the POSIX " 636 "1003.1b Monotonic Clock Option"), 637 /* XXX _POSIX_VERSION */ 638 NULL, _POSIX_MONOTONIC_CLOCK, NULL, 0, 639 CTL_KERN, KERN_MONOTONIC_CLOCK, CTL_EOL); 640 sysctl_createv(clog, 0, NULL, NULL, 641 CTLFLAG_PERMANENT, 642 CTLTYPE_INT, "urandom", 643 SYSCTL_DESCR("Random integer value"), 644 sysctl_kern_urnd, 0, NULL, 0, 645 CTL_KERN, KERN_URND, CTL_EOL); 646 sysctl_createv(clog, 0, NULL, NULL, 647 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 648 CTLTYPE_INT, "labelsector", 649 SYSCTL_DESCR("Sector number containing the disklabel"), 650 NULL, LABELSECTOR, NULL, 0, 651 CTL_KERN, KERN_LABELSECTOR, CTL_EOL); 652 sysctl_createv(clog, 0, NULL, NULL, 653 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 654 CTLTYPE_INT, "labeloffset", 655 SYSCTL_DESCR("Offset of the disklabel within the " 656 "sector"), 657 NULL, LABELOFFSET, NULL, 0, 658 CTL_KERN, KERN_LABELOFFSET, CTL_EOL); 659 sysctl_createv(clog, 0, NULL, NULL, 660 CTLFLAG_PERMANENT, 661 CTLTYPE_NODE, "lwp", 662 SYSCTL_DESCR("System-wide LWP information"), 663 sysctl_kern_lwp, 0, NULL, 0, 664 CTL_KERN, KERN_LWP, CTL_EOL); 665 sysctl_createv(clog, 0, NULL, NULL, 666 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 667 CTLTYPE_INT, "forkfsleep", 668 SYSCTL_DESCR("Milliseconds to sleep on fork failure due " 669 "to process limits"), 670 sysctl_kern_forkfsleep, 0, NULL, 0, 671 CTL_KERN, KERN_FORKFSLEEP, CTL_EOL); 672 sysctl_createv(clog, 0, NULL, NULL, 673 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 674 CTLTYPE_INT, "posix_threads", 675 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 676 "Threads option to which the system " 677 "attempts to conform"), 678 /* XXX _POSIX_VERSION */ 679 NULL, _POSIX_THREADS, NULL, 0, 680 CTL_KERN, KERN_POSIX_THREADS, CTL_EOL); 681 sysctl_createv(clog, 0, NULL, NULL, 682 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 683 CTLTYPE_INT, "posix_semaphores", 684 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 685 "Semaphores option to which the system " 686 "attempts to conform"), NULL, 687 #ifdef P1003_1B_SEMAPHORE 688 200112, 689 #else /* P1003_1B_SEMAPHORE */ 690 0, 691 #endif /* P1003_1B_SEMAPHORE */ 692 NULL, 0, CTL_KERN, KERN_POSIX_SEMAPHORES, CTL_EOL); 693 sysctl_createv(clog, 0, NULL, NULL, 694 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 695 CTLTYPE_INT, "posix_barriers", 696 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 697 "Barriers option to which the system " 698 "attempts to conform"), 699 /* XXX _POSIX_VERSION */ 700 NULL, _POSIX_BARRIERS, NULL, 0, 701 CTL_KERN, KERN_POSIX_BARRIERS, CTL_EOL); 702 sysctl_createv(clog, 0, NULL, NULL, 703 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 704 CTLTYPE_INT, "posix_timers", 705 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 706 "Timers option to which the system " 707 "attempts to conform"), 708 /* XXX _POSIX_VERSION */ 709 NULL, _POSIX_TIMERS, NULL, 0, 710 CTL_KERN, KERN_POSIX_TIMERS, CTL_EOL); 711 sysctl_createv(clog, 0, NULL, NULL, 712 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 713 CTLTYPE_INT, "posix_spin_locks", 714 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its Spin " 715 "Locks option to which the system attempts " 716 "to conform"), 717 /* XXX _POSIX_VERSION */ 718 NULL, _POSIX_SPIN_LOCKS, NULL, 0, 719 CTL_KERN, KERN_POSIX_SPIN_LOCKS, CTL_EOL); 720 sysctl_createv(clog, 0, NULL, NULL, 721 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 722 CTLTYPE_INT, "posix_reader_writer_locks", 723 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 724 "Read-Write Locks option to which the " 725 "system attempts to conform"), 726 /* XXX _POSIX_VERSION */ 727 NULL, _POSIX_READER_WRITER_LOCKS, NULL, 0, 728 CTL_KERN, KERN_POSIX_READER_WRITER_LOCKS, CTL_EOL); 729 sysctl_createv(clog, 0, NULL, NULL, 730 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 731 CTLTYPE_INT, "dump_on_panic", 732 SYSCTL_DESCR("Perform a crash dump on system panic"), 733 NULL, 0, &dumponpanic, 0, 734 CTL_KERN, KERN_DUMP_ON_PANIC, CTL_EOL); 735 sysctl_createv(clog, 0, NULL, NULL, 736 CTLFLAG_PERMANENT, 737 CTLTYPE_INT, "root_partition", 738 SYSCTL_DESCR("Root partition on the root device"), 739 sysctl_kern_root_partition, 0, NULL, 0, 740 CTL_KERN, KERN_ROOT_PARTITION, CTL_EOL); 741 sysctl_createv(clog, 0, NULL, NULL, 742 CTLFLAG_PERMANENT, 743 CTLTYPE_STRUCT, "drivers", 744 SYSCTL_DESCR("List of all drivers with block and " 745 "character device numbers"), 746 sysctl_kern_drivers, 0, NULL, 0, 747 CTL_KERN, KERN_DRIVERS, CTL_EOL); 748 sysctl_createv(clog, 0, NULL, NULL, 749 CTLFLAG_PERMANENT, 750 CTLTYPE_STRUCT, "file2", 751 SYSCTL_DESCR("System open file table"), 752 sysctl_kern_file2, 0, NULL, 0, 753 CTL_KERN, KERN_FILE2, CTL_EOL); 754 #ifdef VERIFIED_EXEC 755 sysctl_createv(clog, 0, NULL, NULL, 756 CTLFLAG_PERMANENT, 757 CTLTYPE_NODE, "veriexec", 758 SYSCTL_DESCR("Verified Exec"), 759 NULL, 0, NULL, 0, 760 CTL_KERN, KERN_VERIEXEC, CTL_EOL); 761 sysctl_createv(clog, 0, NULL, NULL, 762 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 763 CTLTYPE_INT, "verbose", 764 SYSCTL_DESCR("Verified Exec verbose level"), 765 NULL, 0, &veriexec_verbose, 0, 766 CTL_KERN, KERN_VERIEXEC, VERIEXEC_VERBOSE, 767 CTL_EOL); 768 sysctl_createv(clog, 0, NULL, NULL, 769 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 770 CTLTYPE_INT, "strict", 771 SYSCTL_DESCR("Verified Exec strict level"), 772 sysctl_kern_veriexec, 0, NULL, 0, 773 CTL_KERN, KERN_VERIEXEC, VERIEXEC_STRICT, CTL_EOL); 774 sysctl_createv(clog, 0, NULL, NULL, 775 CTLFLAG_PERMANENT, 776 CTLTYPE_STRING, "algorithms", 777 SYSCTL_DESCR("Verified Exec supported hashing " 778 "algorithms"), 779 sysctl_kern_veriexec, 0, NULL, 0, 780 CTL_KERN, KERN_VERIEXEC, VERIEXEC_ALGORITHMS, CTL_EOL); 781 sysctl_createv(clog, 0, NULL, &veriexec_count_node, 782 CTLFLAG_PERMANENT, 783 CTLTYPE_NODE, "count", 784 SYSCTL_DESCR("Number of fingerprints on device(s)"), 785 NULL, 0, NULL, 0, 786 CTL_KERN, KERN_VERIEXEC, VERIEXEC_COUNT, CTL_EOL); 787 #endif /* VERIFIED_EXEC */ 788 sysctl_createv(clog, 0, NULL, NULL, 789 CTLFLAG_PERMANENT, 790 CTLTYPE_STRUCT, "cp_id", 791 SYSCTL_DESCR("Mapping of CPU number to CPU id"), 792 sysctl_kern_cpid, 0, NULL, 0, 793 CTL_KERN, KERN_CP_ID, CTL_EOL); 794 } 795 796 SYSCTL_SETUP(sysctl_kern_proc_setup, 797 "sysctl kern.proc/proc2/proc_args subtree setup") 798 { 799 800 sysctl_createv(clog, 0, NULL, NULL, 801 CTLFLAG_PERMANENT, 802 CTLTYPE_NODE, "kern", NULL, 803 NULL, 0, NULL, 0, 804 CTL_KERN, CTL_EOL); 805 806 sysctl_createv(clog, 0, NULL, NULL, 807 CTLFLAG_PERMANENT, 808 CTLTYPE_NODE, "proc", 809 SYSCTL_DESCR("System-wide process information"), 810 sysctl_doeproc, 0, NULL, 0, 811 CTL_KERN, KERN_PROC, CTL_EOL); 812 sysctl_createv(clog, 0, NULL, NULL, 813 CTLFLAG_PERMANENT, 814 CTLTYPE_NODE, "proc2", 815 SYSCTL_DESCR("Machine-independent process information"), 816 sysctl_doeproc, 0, NULL, 0, 817 CTL_KERN, KERN_PROC2, CTL_EOL); 818 sysctl_createv(clog, 0, NULL, NULL, 819 CTLFLAG_PERMANENT, 820 CTLTYPE_NODE, "proc_args", 821 SYSCTL_DESCR("Process argument information"), 822 sysctl_kern_proc_args, 0, NULL, 0, 823 CTL_KERN, KERN_PROC_ARGS, CTL_EOL); 824 825 /* 826 "nodes" under these: 827 828 KERN_PROC_ALL 829 KERN_PROC_PID pid 830 KERN_PROC_PGRP pgrp 831 KERN_PROC_SESSION sess 832 KERN_PROC_TTY tty 833 KERN_PROC_UID uid 834 KERN_PROC_RUID uid 835 KERN_PROC_GID gid 836 KERN_PROC_RGID gid 837 838 all in all, probably not worth the effort... 839 */ 840 } 841 842 SYSCTL_SETUP(sysctl_hw_setup, "sysctl hw subtree setup") 843 { 844 u_int u; 845 u_quad_t q; 846 847 sysctl_createv(clog, 0, NULL, NULL, 848 CTLFLAG_PERMANENT, 849 CTLTYPE_NODE, "hw", NULL, 850 NULL, 0, NULL, 0, 851 CTL_HW, CTL_EOL); 852 853 sysctl_createv(clog, 0, NULL, NULL, 854 CTLFLAG_PERMANENT, 855 CTLTYPE_STRING, "machine", 856 SYSCTL_DESCR("Machine class"), 857 NULL, 0, machine, 0, 858 CTL_HW, HW_MACHINE, CTL_EOL); 859 sysctl_createv(clog, 0, NULL, NULL, 860 CTLFLAG_PERMANENT, 861 CTLTYPE_STRING, "model", 862 SYSCTL_DESCR("Machine model"), 863 NULL, 0, cpu_model, 0, 864 CTL_HW, HW_MODEL, CTL_EOL); 865 sysctl_createv(clog, 0, NULL, NULL, 866 CTLFLAG_PERMANENT, 867 CTLTYPE_INT, "ncpu", 868 SYSCTL_DESCR("Number of active CPUs"), 869 sysctl_hw_ncpu, 0, NULL, 0, 870 CTL_HW, HW_NCPU, CTL_EOL); 871 sysctl_createv(clog, 0, NULL, NULL, 872 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 873 CTLTYPE_INT, "byteorder", 874 SYSCTL_DESCR("System byte order"), 875 NULL, BYTE_ORDER, NULL, 0, 876 CTL_HW, HW_BYTEORDER, CTL_EOL); 877 u = ((u_int)physmem > (UINT_MAX / PAGE_SIZE)) ? 878 UINT_MAX : physmem * PAGE_SIZE; 879 sysctl_createv(clog, 0, NULL, NULL, 880 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 881 CTLTYPE_INT, "physmem", 882 SYSCTL_DESCR("Bytes of physical memory"), 883 NULL, u, NULL, 0, 884 CTL_HW, HW_PHYSMEM, CTL_EOL); 885 sysctl_createv(clog, 0, NULL, NULL, 886 CTLFLAG_PERMANENT, 887 CTLTYPE_INT, "usermem", 888 SYSCTL_DESCR("Bytes of non-kernel memory"), 889 sysctl_hw_usermem, 0, NULL, 0, 890 CTL_HW, HW_USERMEM, CTL_EOL); 891 sysctl_createv(clog, 0, NULL, NULL, 892 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 893 CTLTYPE_INT, "pagesize", 894 SYSCTL_DESCR("Software page size"), 895 NULL, PAGE_SIZE, NULL, 0, 896 CTL_HW, HW_PAGESIZE, CTL_EOL); 897 sysctl_createv(clog, 0, NULL, NULL, 898 CTLFLAG_PERMANENT, 899 CTLTYPE_STRING, "disknames", 900 SYSCTL_DESCR("List of disk devices present"), 901 sysctl_hw_disknames, 0, NULL, 0, 902 CTL_HW, HW_DISKNAMES, CTL_EOL); 903 sysctl_createv(clog, 0, NULL, NULL, 904 CTLFLAG_PERMANENT, 905 CTLTYPE_STRUCT, "diskstats", 906 SYSCTL_DESCR("Statistics on disk operation"), 907 sysctl_hw_diskstats, 0, NULL, 0, 908 CTL_HW, HW_DISKSTATS, CTL_EOL); 909 sysctl_createv(clog, 0, NULL, NULL, 910 CTLFLAG_PERMANENT, 911 CTLTYPE_STRING, "machine_arch", 912 SYSCTL_DESCR("Machine CPU class"), 913 NULL, 0, machine_arch, 0, 914 CTL_HW, HW_MACHINE_ARCH, CTL_EOL); 915 sysctl_createv(clog, 0, NULL, NULL, 916 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 917 CTLTYPE_INT, "alignbytes", 918 SYSCTL_DESCR("Alignment constraint for all possible " 919 "data types"), 920 NULL, ALIGNBYTES, NULL, 0, 921 CTL_HW, HW_ALIGNBYTES, CTL_EOL); 922 sysctl_createv(clog, 0, NULL, NULL, 923 CTLFLAG_PERMANENT|CTLFLAG_READWRITE|CTLFLAG_HEX, 924 CTLTYPE_STRING, "cnmagic", 925 SYSCTL_DESCR("Console magic key sequence"), 926 sysctl_hw_cnmagic, 0, NULL, CNS_LEN, 927 CTL_HW, HW_CNMAGIC, CTL_EOL); 928 q = (u_quad_t)physmem * PAGE_SIZE; 929 sysctl_createv(clog, 0, NULL, NULL, 930 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 931 CTLTYPE_QUAD, "physmem64", 932 SYSCTL_DESCR("Bytes of physical memory"), 933 NULL, q, NULL, 0, 934 CTL_HW, HW_PHYSMEM64, CTL_EOL); 935 sysctl_createv(clog, 0, NULL, NULL, 936 CTLFLAG_PERMANENT, 937 CTLTYPE_QUAD, "usermem64", 938 SYSCTL_DESCR("Bytes of non-kernel memory"), 939 sysctl_hw_usermem, 0, NULL, 0, 940 CTL_HW, HW_USERMEM64, CTL_EOL); 941 } 942 943 #ifdef DEBUG 944 /* 945 * Debugging related system variables. 946 */ 947 struct ctldebug /* debug0, */ /* debug1, */ debug2, debug3, debug4; 948 struct ctldebug debug5, debug6, debug7, debug8, debug9; 949 struct ctldebug debug10, debug11, debug12, debug13, debug14; 950 struct ctldebug debug15, debug16, debug17, debug18, debug19; 951 static struct ctldebug *debugvars[CTL_DEBUG_MAXID] = { 952 &debug0, &debug1, &debug2, &debug3, &debug4, 953 &debug5, &debug6, &debug7, &debug8, &debug9, 954 &debug10, &debug11, &debug12, &debug13, &debug14, 955 &debug15, &debug16, &debug17, &debug18, &debug19, 956 }; 957 958 /* 959 * this setup routine is a replacement for debug_sysctl() 960 * 961 * note that it creates several nodes per defined debug variable 962 */ 963 SYSCTL_SETUP(sysctl_debug_setup, "sysctl debug subtree setup") 964 { 965 struct ctldebug *cdp; 966 char nodename[20]; 967 int i; 968 969 /* 970 * two ways here: 971 * 972 * the "old" way (debug.name -> value) which was emulated by 973 * the sysctl(8) binary 974 * 975 * the new way, which the sysctl(8) binary was actually using 976 977 node debug 978 node debug.0 979 string debug.0.name 980 int debug.0.value 981 int debug.name 982 983 */ 984 985 sysctl_createv(clog, 0, NULL, NULL, 986 CTLFLAG_PERMANENT, 987 CTLTYPE_NODE, "debug", NULL, 988 NULL, 0, NULL, 0, 989 CTL_DEBUG, CTL_EOL); 990 991 for (i = 0; i < CTL_DEBUG_MAXID; i++) { 992 cdp = debugvars[i]; 993 if (cdp->debugname == NULL || cdp->debugvar == NULL) 994 continue; 995 996 snprintf(nodename, sizeof(nodename), "debug%d", i); 997 sysctl_createv(clog, 0, NULL, NULL, 998 CTLFLAG_PERMANENT|CTLFLAG_HIDDEN, 999 CTLTYPE_NODE, nodename, NULL, 1000 NULL, 0, NULL, 0, 1001 CTL_DEBUG, i, CTL_EOL); 1002 sysctl_createv(clog, 0, NULL, NULL, 1003 CTLFLAG_PERMANENT|CTLFLAG_HIDDEN, 1004 CTLTYPE_STRING, "name", NULL, 1005 /*XXXUNCONST*/ 1006 NULL, 0, __UNCONST(cdp->debugname), 0, 1007 CTL_DEBUG, i, CTL_DEBUG_NAME, CTL_EOL); 1008 sysctl_createv(clog, 0, NULL, NULL, 1009 CTLFLAG_PERMANENT|CTLFLAG_HIDDEN, 1010 CTLTYPE_INT, "value", NULL, 1011 NULL, 0, cdp->debugvar, 0, 1012 CTL_DEBUG, i, CTL_DEBUG_VALUE, CTL_EOL); 1013 sysctl_createv(clog, 0, NULL, NULL, 1014 CTLFLAG_PERMANENT, 1015 CTLTYPE_INT, cdp->debugname, NULL, 1016 NULL, 0, cdp->debugvar, 0, 1017 CTL_DEBUG, CTL_CREATE, CTL_EOL); 1018 } 1019 } 1020 #endif /* DEBUG */ 1021 1022 SYSCTL_SETUP(sysctl_security_setup, "sysctl security subtree setup") 1023 { 1024 const struct sysctlnode *rnode = NULL; 1025 1026 sysctl_createv(clog, 0, NULL, &rnode, 1027 CTLFLAG_PERMANENT, 1028 CTLTYPE_NODE, "security", NULL, 1029 NULL, 0, NULL, 0, 1030 CTL_SECURITY, CTL_EOL); 1031 1032 sysctl_createv(clog, 0, &rnode, NULL, 1033 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 1034 CTLTYPE_INT, "curtain", 1035 SYSCTL_DESCR("Curtain information about objects" 1036 " to users not owning them."), 1037 NULL, 0, &security_curtain, 0, 1038 CTL_CREATE, CTL_EOL); 1039 } 1040 1041 /* 1042 * ******************************************************************** 1043 * section 2: private node-specific helper routines. 1044 * ******************************************************************** 1045 */ 1046 1047 /* 1048 * sysctl helper routine for kern.maxvnodes. drain vnodes if 1049 * new value is lower than desiredvnodes and then calls reinit 1050 * routines that needs to adjust to the new value. 1051 */ 1052 static int 1053 sysctl_kern_maxvnodes(SYSCTLFN_ARGS) 1054 { 1055 int error, new_vnodes, old_vnodes; 1056 struct sysctlnode node; 1057 1058 new_vnodes = desiredvnodes; 1059 node = *rnode; 1060 node.sysctl_data = &new_vnodes; 1061 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1062 if (error || newp == NULL) 1063 return (error); 1064 1065 old_vnodes = desiredvnodes; 1066 desiredvnodes = new_vnodes; 1067 if (new_vnodes < old_vnodes) { 1068 error = vfs_drainvnodes(new_vnodes, l); 1069 if (error) { 1070 desiredvnodes = old_vnodes; 1071 return (error); 1072 } 1073 } 1074 vfs_reinit(); 1075 nchreinit(); 1076 1077 return (0); 1078 } 1079 1080 /* 1081 * sysctl helper routine for rtc_offset - set time after changes 1082 */ 1083 static int 1084 sysctl_kern_rtc_offset(SYSCTLFN_ARGS) 1085 { 1086 struct timespec ts, delta; 1087 int error, new_rtc_offset; 1088 struct sysctlnode node; 1089 1090 new_rtc_offset = rtc_offset; 1091 node = *rnode; 1092 node.sysctl_data = &new_rtc_offset; 1093 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1094 if (error || newp == NULL) 1095 return (error); 1096 1097 if (securelevel > 0) 1098 return (EPERM); 1099 if (rtc_offset == new_rtc_offset) 1100 return (0); 1101 1102 /* if we change the offset, adjust the time */ 1103 nanotime(&ts); 1104 delta.tv_sec = 60 * (new_rtc_offset - rtc_offset); 1105 delta.tv_nsec = 0; 1106 timespecadd(&ts, &delta, &ts); 1107 rtc_offset = new_rtc_offset; 1108 settime(l->l_proc, &ts); 1109 1110 return (0); 1111 } 1112 1113 /* 1114 * sysctl helper routine for kern.maxproc. ensures that the new 1115 * values are not too low or too high. 1116 */ 1117 static int 1118 sysctl_kern_maxproc(SYSCTLFN_ARGS) 1119 { 1120 int error, nmaxproc; 1121 struct sysctlnode node; 1122 1123 nmaxproc = maxproc; 1124 node = *rnode; 1125 node.sysctl_data = &nmaxproc; 1126 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1127 if (error || newp == NULL) 1128 return (error); 1129 1130 if (nmaxproc < 0 || nmaxproc >= PID_MAX) 1131 return (EINVAL); 1132 #ifdef __HAVE_CPU_MAXPROC 1133 if (nmaxproc > cpu_maxproc()) 1134 return (EINVAL); 1135 #endif 1136 maxproc = nmaxproc; 1137 1138 return (0); 1139 } 1140 1141 /* 1142 * sysctl helper routine for kern.securelevel. ensures that the value 1143 * only rises unless the caller has pid 1 (assumed to be init). 1144 */ 1145 static int 1146 sysctl_kern_securelevel(SYSCTLFN_ARGS) 1147 { 1148 int newsecurelevel, error; 1149 struct sysctlnode node; 1150 1151 newsecurelevel = securelevel; 1152 node = *rnode; 1153 node.sysctl_data = &newsecurelevel; 1154 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1155 if (error || newp == NULL) 1156 return (error); 1157 1158 if (newsecurelevel < securelevel && l && l->l_proc->p_pid != 1) 1159 return (EPERM); 1160 securelevel = newsecurelevel; 1161 1162 return (error); 1163 } 1164 1165 /* 1166 * sysctl helper function for kern.hostid. the hostid is a long, but 1167 * we export it as an int, so we need to give it a little help. 1168 */ 1169 static int 1170 sysctl_kern_hostid(SYSCTLFN_ARGS) 1171 { 1172 int error, inthostid; 1173 struct sysctlnode node; 1174 1175 inthostid = hostid; /* XXX assumes sizeof int <= sizeof long */ 1176 node = *rnode; 1177 node.sysctl_data = &inthostid; 1178 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1179 if (error || newp == NULL) 1180 return (error); 1181 1182 hostid = (unsigned)inthostid; 1183 1184 return (0); 1185 } 1186 1187 /* 1188 * sysctl helper function for kern.hostname and kern.domainnname. 1189 * resets the relevant recorded length when the underlying name is 1190 * changed. 1191 */ 1192 static int 1193 sysctl_setlen(SYSCTLFN_ARGS) 1194 { 1195 int error; 1196 1197 error = sysctl_lookup(SYSCTLFN_CALL(rnode)); 1198 if (error || newp == NULL) 1199 return (error); 1200 1201 switch (rnode->sysctl_num) { 1202 case KERN_HOSTNAME: 1203 hostnamelen = strlen((const char*)rnode->sysctl_data); 1204 break; 1205 case KERN_DOMAINNAME: 1206 domainnamelen = strlen((const char*)rnode->sysctl_data); 1207 break; 1208 } 1209 1210 return (0); 1211 } 1212 1213 /* 1214 * sysctl helper routine for kern.clockrate. assembles a struct on 1215 * the fly to be returned to the caller. 1216 */ 1217 static int 1218 sysctl_kern_clockrate(SYSCTLFN_ARGS) 1219 { 1220 struct clockinfo clkinfo; 1221 struct sysctlnode node; 1222 1223 clkinfo.tick = tick; 1224 clkinfo.tickadj = tickadj; 1225 clkinfo.hz = hz; 1226 clkinfo.profhz = profhz; 1227 clkinfo.stathz = stathz ? stathz : hz; 1228 1229 node = *rnode; 1230 node.sysctl_data = &clkinfo; 1231 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1232 } 1233 1234 1235 /* 1236 * sysctl helper routine for kern.file pseudo-subtree. 1237 */ 1238 static int 1239 sysctl_kern_file(SYSCTLFN_ARGS) 1240 { 1241 int error; 1242 size_t buflen; 1243 struct file *fp; 1244 char *start, *where; 1245 1246 start = where = oldp; 1247 buflen = *oldlenp; 1248 if (where == NULL) { 1249 /* 1250 * overestimate by 10 files 1251 */ 1252 *oldlenp = sizeof(filehead) + (nfiles + 10) * sizeof(struct file); 1253 return (0); 1254 } 1255 1256 /* 1257 * first copyout filehead 1258 */ 1259 if (buflen < sizeof(filehead)) { 1260 *oldlenp = 0; 1261 return (0); 1262 } 1263 error = copyout(&filehead, where, sizeof(filehead)); 1264 if (error) 1265 return (error); 1266 buflen -= sizeof(filehead); 1267 where += sizeof(filehead); 1268 1269 /* 1270 * followed by an array of file structures 1271 */ 1272 LIST_FOREACH(fp, &filehead, f_list) { 1273 if (CURTAIN(l->l_proc->p_ucred->cr_uid, fp->f_cred->cr_uid)) 1274 continue; 1275 if (buflen < sizeof(struct file)) { 1276 *oldlenp = where - start; 1277 return (ENOMEM); 1278 } 1279 error = copyout(fp, where, sizeof(struct file)); 1280 if (error) 1281 return (error); 1282 buflen -= sizeof(struct file); 1283 where += sizeof(struct file); 1284 } 1285 *oldlenp = where - start; 1286 return (0); 1287 } 1288 1289 /* 1290 * sysctl helper routine for kern.autonicetime and kern.autoniceval. 1291 * asserts that the assigned value is in the correct range. 1292 */ 1293 static int 1294 sysctl_kern_autonice(SYSCTLFN_ARGS) 1295 { 1296 int error, t = 0; 1297 struct sysctlnode node; 1298 1299 node = *rnode; 1300 t = *(int*)node.sysctl_data; 1301 node.sysctl_data = &t; 1302 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1303 if (error || newp == NULL) 1304 return (error); 1305 1306 switch (node.sysctl_num) { 1307 case KERN_AUTONICETIME: 1308 if (t >= 0) 1309 autonicetime = t; 1310 break; 1311 case KERN_AUTONICEVAL: 1312 if (t < PRIO_MIN) 1313 t = PRIO_MIN; 1314 else if (t > PRIO_MAX) 1315 t = PRIO_MAX; 1316 autoniceval = t; 1317 break; 1318 } 1319 1320 return (0); 1321 } 1322 1323 /* 1324 * sysctl helper routine for kern.msgbufsize and kern.msgbuf. for the 1325 * former it merely checks the message buffer is set up. for the latter, 1326 * it also copies out the data if necessary. 1327 */ 1328 static int 1329 sysctl_msgbuf(SYSCTLFN_ARGS) 1330 { 1331 char *where = oldp; 1332 size_t len, maxlen; 1333 long beg, end; 1334 int error; 1335 1336 if (!msgbufenabled || msgbufp->msg_magic != MSG_MAGIC) { 1337 msgbufenabled = 0; 1338 return (ENXIO); 1339 } 1340 1341 switch (rnode->sysctl_num) { 1342 case KERN_MSGBUFSIZE: { 1343 struct sysctlnode node = *rnode; 1344 int msg_bufs = (int)msgbufp->msg_bufs; 1345 node.sysctl_data = &msg_bufs; 1346 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1347 } 1348 case KERN_MSGBUF: 1349 break; 1350 default: 1351 return (EOPNOTSUPP); 1352 } 1353 1354 if (newp != NULL) 1355 return (EPERM); 1356 1357 if (oldp == NULL) { 1358 /* always return full buffer size */ 1359 *oldlenp = msgbufp->msg_bufs; 1360 return (0); 1361 } 1362 1363 error = 0; 1364 maxlen = MIN(msgbufp->msg_bufs, *oldlenp); 1365 1366 /* 1367 * First, copy from the write pointer to the end of 1368 * message buffer. 1369 */ 1370 beg = msgbufp->msg_bufx; 1371 end = msgbufp->msg_bufs; 1372 while (maxlen > 0) { 1373 len = MIN(end - beg, maxlen); 1374 if (len == 0) 1375 break; 1376 error = copyout(&msgbufp->msg_bufc[beg], where, len); 1377 if (error) 1378 break; 1379 where += len; 1380 maxlen -= len; 1381 1382 /* 1383 * ... then, copy from the beginning of message buffer to 1384 * the write pointer. 1385 */ 1386 beg = 0; 1387 end = msgbufp->msg_bufx; 1388 } 1389 1390 return (error); 1391 } 1392 1393 /* 1394 * sysctl helper routine for kern.defcorename. in the case of a new 1395 * string being assigned, check that it's not a zero-length string. 1396 * (XXX the check in -current doesn't work, but do we really care?) 1397 */ 1398 static int 1399 sysctl_kern_defcorename(SYSCTLFN_ARGS) 1400 { 1401 int error; 1402 char newcorename[MAXPATHLEN]; 1403 struct sysctlnode node; 1404 1405 node = *rnode; 1406 node.sysctl_data = &newcorename[0]; 1407 memcpy(node.sysctl_data, rnode->sysctl_data, MAXPATHLEN); 1408 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1409 if (error || newp == NULL) 1410 return (error); 1411 1412 /* 1413 * when sysctl_lookup() deals with a string, it's guaranteed 1414 * to come back nul terminated. so there. :) 1415 */ 1416 if (strlen(newcorename) == 0) 1417 return (EINVAL); 1418 1419 memcpy(rnode->sysctl_data, node.sysctl_data, MAXPATHLEN); 1420 1421 return (0); 1422 } 1423 1424 /* 1425 * sysctl helper routine for kern.cp_time node. adds up cpu time 1426 * across all cpus. 1427 */ 1428 static int 1429 sysctl_kern_cptime(SYSCTLFN_ARGS) 1430 { 1431 struct sysctlnode node = *rnode; 1432 1433 #ifndef MULTIPROCESSOR 1434 1435 if (namelen == 1) { 1436 if (name[0] != 0) 1437 return (ENOENT); 1438 /* 1439 * you're allowed to ask for the zero'th processor 1440 */ 1441 name++; 1442 namelen--; 1443 } 1444 node.sysctl_data = curcpu()->ci_schedstate.spc_cp_time; 1445 node.sysctl_size = sizeof(curcpu()->ci_schedstate.spc_cp_time); 1446 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1447 1448 #else /* MULTIPROCESSOR */ 1449 1450 uint64_t *cp_time = NULL; 1451 int error, n = sysctl_ncpus(), i; 1452 struct cpu_info *ci; 1453 CPU_INFO_ITERATOR cii; 1454 1455 /* 1456 * if you specifically pass a buffer that is the size of the 1457 * sum, or if you are probing for the size, you get the "sum" 1458 * of cp_time (and the size thereof) across all processors. 1459 * 1460 * alternately, you can pass an additional mib number and get 1461 * cp_time for that particular processor. 1462 */ 1463 switch (namelen) { 1464 case 0: 1465 if (*oldlenp == sizeof(uint64_t) * CPUSTATES || oldp == NULL) { 1466 node.sysctl_size = sizeof(uint64_t) * CPUSTATES; 1467 n = -1; /* SUM */ 1468 } 1469 else { 1470 node.sysctl_size = n * sizeof(uint64_t) * CPUSTATES; 1471 n = -2; /* ALL */ 1472 } 1473 break; 1474 case 1: 1475 if (name[0] < 0 || name[0] >= n) 1476 return (ENOENT); /* ENOSUCHPROCESSOR */ 1477 node.sysctl_size = sizeof(uint64_t) * CPUSTATES; 1478 n = name[0]; 1479 /* 1480 * adjust these so that sysctl_lookup() will be happy 1481 */ 1482 name++; 1483 namelen--; 1484 break; 1485 default: 1486 return (EINVAL); 1487 } 1488 1489 cp_time = malloc(node.sysctl_size, M_TEMP, M_WAITOK|M_CANFAIL); 1490 if (cp_time == NULL) 1491 return (ENOMEM); 1492 node.sysctl_data = cp_time; 1493 memset(cp_time, 0, node.sysctl_size); 1494 1495 for (CPU_INFO_FOREACH(cii, ci)) { 1496 if (n <= 0) 1497 for (i = 0; i < CPUSTATES; i++) 1498 cp_time[i] += ci->ci_schedstate.spc_cp_time[i]; 1499 /* 1500 * if a specific processor was requested and we just 1501 * did it, we're done here 1502 */ 1503 if (n == 0) 1504 break; 1505 /* 1506 * if doing "all", skip to next cp_time set for next processor 1507 */ 1508 if (n == -2) 1509 cp_time += CPUSTATES; 1510 /* 1511 * if we're doing a specific processor, we're one 1512 * processor closer 1513 */ 1514 if (n > 0) 1515 n--; 1516 } 1517 1518 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1519 free(node.sysctl_data, M_TEMP); 1520 return (error); 1521 1522 #endif /* MULTIPROCESSOR */ 1523 } 1524 1525 #if defined(SYSVMSG) || defined(SYSVSEM) || defined(SYSVSHM) 1526 /* 1527 * sysctl helper routine for kern.sysvipc_info subtree. 1528 */ 1529 1530 #define FILL_PERM(src, dst) do { \ 1531 (dst)._key = (src)._key; \ 1532 (dst).uid = (src).uid; \ 1533 (dst).gid = (src).gid; \ 1534 (dst).cuid = (src).cuid; \ 1535 (dst).cgid = (src).cgid; \ 1536 (dst).mode = (src).mode; \ 1537 (dst)._seq = (src)._seq; \ 1538 } while (/*CONSTCOND*/ 0); 1539 #define FILL_MSG(src, dst) do { \ 1540 FILL_PERM((src).msg_perm, (dst).msg_perm); \ 1541 (dst).msg_qnum = (src).msg_qnum; \ 1542 (dst).msg_qbytes = (src).msg_qbytes; \ 1543 (dst)._msg_cbytes = (src)._msg_cbytes; \ 1544 (dst).msg_lspid = (src).msg_lspid; \ 1545 (dst).msg_lrpid = (src).msg_lrpid; \ 1546 (dst).msg_stime = (src).msg_stime; \ 1547 (dst).msg_rtime = (src).msg_rtime; \ 1548 (dst).msg_ctime = (src).msg_ctime; \ 1549 } while (/*CONSTCOND*/ 0) 1550 #define FILL_SEM(src, dst) do { \ 1551 FILL_PERM((src).sem_perm, (dst).sem_perm); \ 1552 (dst).sem_nsems = (src).sem_nsems; \ 1553 (dst).sem_otime = (src).sem_otime; \ 1554 (dst).sem_ctime = (src).sem_ctime; \ 1555 } while (/*CONSTCOND*/ 0) 1556 #define FILL_SHM(src, dst) do { \ 1557 FILL_PERM((src).shm_perm, (dst).shm_perm); \ 1558 (dst).shm_segsz = (src).shm_segsz; \ 1559 (dst).shm_lpid = (src).shm_lpid; \ 1560 (dst).shm_cpid = (src).shm_cpid; \ 1561 (dst).shm_atime = (src).shm_atime; \ 1562 (dst).shm_dtime = (src).shm_dtime; \ 1563 (dst).shm_ctime = (src).shm_ctime; \ 1564 (dst).shm_nattch = (src).shm_nattch; \ 1565 } while (/*CONSTCOND*/ 0) 1566 1567 static int 1568 sysctl_kern_sysvipc(SYSCTLFN_ARGS) 1569 { 1570 void *where = oldp; 1571 size_t *sizep = oldlenp; 1572 #ifdef SYSVMSG 1573 struct msg_sysctl_info *msgsi = NULL; 1574 #endif 1575 #ifdef SYSVSEM 1576 struct sem_sysctl_info *semsi = NULL; 1577 #endif 1578 #ifdef SYSVSHM 1579 struct shm_sysctl_info *shmsi = NULL; 1580 #endif 1581 size_t infosize, dssize, tsize, buflen; 1582 void *bf = NULL; 1583 char *start; 1584 int32_t nds; 1585 int i, error, ret; 1586 1587 if (namelen != 1) 1588 return (EINVAL); 1589 1590 start = where; 1591 buflen = *sizep; 1592 1593 switch (*name) { 1594 case KERN_SYSVIPC_MSG_INFO: 1595 #ifdef SYSVMSG 1596 infosize = sizeof(msgsi->msginfo); 1597 nds = msginfo.msgmni; 1598 dssize = sizeof(msgsi->msgids[0]); 1599 break; 1600 #else 1601 return (EINVAL); 1602 #endif 1603 case KERN_SYSVIPC_SEM_INFO: 1604 #ifdef SYSVSEM 1605 infosize = sizeof(semsi->seminfo); 1606 nds = seminfo.semmni; 1607 dssize = sizeof(semsi->semids[0]); 1608 break; 1609 #else 1610 return (EINVAL); 1611 #endif 1612 case KERN_SYSVIPC_SHM_INFO: 1613 #ifdef SYSVSHM 1614 infosize = sizeof(shmsi->shminfo); 1615 nds = shminfo.shmmni; 1616 dssize = sizeof(shmsi->shmids[0]); 1617 break; 1618 #else 1619 return (EINVAL); 1620 #endif 1621 default: 1622 return (EINVAL); 1623 } 1624 /* 1625 * Round infosize to 64 bit boundary if requesting more than just 1626 * the info structure or getting the total data size. 1627 */ 1628 if (where == NULL || *sizep > infosize) 1629 infosize = ((infosize + 7) / 8) * 8; 1630 tsize = infosize + nds * dssize; 1631 1632 /* Return just the total size required. */ 1633 if (where == NULL) { 1634 *sizep = tsize; 1635 return (0); 1636 } 1637 1638 /* Not enough room for even the info struct. */ 1639 if (buflen < infosize) { 1640 *sizep = 0; 1641 return (ENOMEM); 1642 } 1643 bf = malloc(min(tsize, buflen), M_TEMP, M_WAITOK); 1644 memset(bf, 0, min(tsize, buflen)); 1645 1646 switch (*name) { 1647 #ifdef SYSVMSG 1648 case KERN_SYSVIPC_MSG_INFO: 1649 msgsi = (struct msg_sysctl_info *)bf; 1650 msgsi->msginfo = msginfo; 1651 break; 1652 #endif 1653 #ifdef SYSVSEM 1654 case KERN_SYSVIPC_SEM_INFO: 1655 semsi = (struct sem_sysctl_info *)bf; 1656 semsi->seminfo = seminfo; 1657 break; 1658 #endif 1659 #ifdef SYSVSHM 1660 case KERN_SYSVIPC_SHM_INFO: 1661 shmsi = (struct shm_sysctl_info *)bf; 1662 shmsi->shminfo = shminfo; 1663 break; 1664 #endif 1665 } 1666 buflen -= infosize; 1667 1668 ret = 0; 1669 if (buflen > 0) { 1670 /* Fill in the IPC data structures. */ 1671 for (i = 0; i < nds; i++) { 1672 if (buflen < dssize) { 1673 ret = ENOMEM; 1674 break; 1675 } 1676 switch (*name) { 1677 #ifdef SYSVMSG 1678 case KERN_SYSVIPC_MSG_INFO: 1679 FILL_MSG(msqids[i], msgsi->msgids[i]); 1680 break; 1681 #endif 1682 #ifdef SYSVSEM 1683 case KERN_SYSVIPC_SEM_INFO: 1684 FILL_SEM(sema[i], semsi->semids[i]); 1685 break; 1686 #endif 1687 #ifdef SYSVSHM 1688 case KERN_SYSVIPC_SHM_INFO: 1689 FILL_SHM(shmsegs[i], shmsi->shmids[i]); 1690 break; 1691 #endif 1692 } 1693 buflen -= dssize; 1694 } 1695 } 1696 *sizep -= buflen; 1697 error = copyout(bf, start, *sizep); 1698 /* If copyout succeeded, use return code set earlier. */ 1699 if (error == 0) 1700 error = ret; 1701 if (bf) 1702 free(bf, M_TEMP); 1703 return (error); 1704 } 1705 1706 #undef FILL_PERM 1707 #undef FILL_MSG 1708 #undef FILL_SEM 1709 #undef FILL_SHM 1710 1711 #endif /* defined(SYSVMSG) || defined(SYSVSEM) || defined(SYSVSHM) */ 1712 1713 #if NPTY > 0 1714 /* 1715 * sysctl helper routine for kern.maxptys. ensures that any new value 1716 * is acceptable to the pty subsystem. 1717 */ 1718 static int 1719 sysctl_kern_maxptys(SYSCTLFN_ARGS) 1720 { 1721 int pty_maxptys(int, int); /* defined in kern/tty_pty.c */ 1722 int error, xmax; 1723 struct sysctlnode node; 1724 1725 /* get current value of maxptys */ 1726 xmax = pty_maxptys(0, 0); 1727 1728 node = *rnode; 1729 node.sysctl_data = &xmax; 1730 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1731 if (error || newp == NULL) 1732 return (error); 1733 1734 if (xmax != pty_maxptys(xmax, 1)) 1735 return (EINVAL); 1736 1737 return (0); 1738 } 1739 #endif /* NPTY > 0 */ 1740 1741 /* 1742 * sysctl helper routine for kern.sbmax. basically just ensures that 1743 * any new value is not too small. 1744 */ 1745 static int 1746 sysctl_kern_sbmax(SYSCTLFN_ARGS) 1747 { 1748 int error, new_sbmax; 1749 struct sysctlnode node; 1750 1751 new_sbmax = sb_max; 1752 node = *rnode; 1753 node.sysctl_data = &new_sbmax; 1754 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1755 if (error || newp == NULL) 1756 return (error); 1757 1758 error = sb_max_set(new_sbmax); 1759 1760 return (error); 1761 } 1762 1763 /* 1764 * sysctl helper routine for kern.urandom node. picks a random number 1765 * for you. 1766 */ 1767 static int 1768 sysctl_kern_urnd(SYSCTLFN_ARGS) 1769 { 1770 #if NRND > 0 1771 int v; 1772 1773 if (rnd_extract_data(&v, sizeof(v), RND_EXTRACT_ANY) == sizeof(v)) { 1774 struct sysctlnode node = *rnode; 1775 node.sysctl_data = &v; 1776 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1777 } 1778 else 1779 return (EIO); /*XXX*/ 1780 #else 1781 return (EOPNOTSUPP); 1782 #endif 1783 } 1784 1785 /* 1786 * sysctl helper routine to do kern.lwp.* work. 1787 */ 1788 static int 1789 sysctl_kern_lwp(SYSCTLFN_ARGS) 1790 { 1791 struct kinfo_lwp klwp; 1792 struct proc *p; 1793 struct lwp *l2; 1794 char *where, *dp; 1795 int pid, elem_size, elem_count; 1796 int buflen, needed, error; 1797 1798 if (namelen == 1 && name[0] == CTL_QUERY) 1799 return (sysctl_query(SYSCTLFN_CALL(rnode))); 1800 1801 dp = where = oldp; 1802 buflen = where != NULL ? *oldlenp : 0; 1803 error = needed = 0; 1804 1805 if (newp != NULL || namelen != 3) 1806 return (EINVAL); 1807 pid = name[0]; 1808 elem_size = name[1]; 1809 elem_count = name[2]; 1810 1811 p = pfind(pid); 1812 if (p == NULL) 1813 return (ESRCH); 1814 LIST_FOREACH(l2, &p->p_lwps, l_sibling) { 1815 if (buflen >= elem_size && elem_count > 0) { 1816 fill_lwp(l2, &klwp); 1817 /* 1818 * Copy out elem_size, but not larger than 1819 * the size of a struct kinfo_proc2. 1820 */ 1821 error = copyout(&klwp, dp, 1822 min(sizeof(klwp), elem_size)); 1823 if (error) 1824 goto cleanup; 1825 dp += elem_size; 1826 buflen -= elem_size; 1827 elem_count--; 1828 } 1829 needed += elem_size; 1830 } 1831 1832 if (where != NULL) { 1833 *oldlenp = dp - where; 1834 if (needed > *oldlenp) 1835 return (ENOMEM); 1836 } else { 1837 needed += KERN_LWPSLOP; 1838 *oldlenp = needed; 1839 } 1840 return (0); 1841 cleanup: 1842 return (error); 1843 } 1844 1845 /* 1846 * sysctl helper routine for kern.forkfsleep node. ensures that the 1847 * given value is not too large or two small, and is at least one 1848 * timer tick if not zero. 1849 */ 1850 static int 1851 sysctl_kern_forkfsleep(SYSCTLFN_ARGS) 1852 { 1853 /* userland sees value in ms, internally is in ticks */ 1854 extern int forkfsleep; /* defined in kern/kern_fork.c */ 1855 int error, timo, lsleep; 1856 struct sysctlnode node; 1857 1858 lsleep = forkfsleep * 1000 / hz; 1859 node = *rnode; 1860 node.sysctl_data = &lsleep; 1861 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1862 if (error || newp == NULL) 1863 return (error); 1864 1865 /* refuse negative values, and overly 'long time' */ 1866 if (lsleep < 0 || lsleep > MAXSLP * 1000) 1867 return (EINVAL); 1868 1869 timo = mstohz(lsleep); 1870 1871 /* if the interval is >0 ms && <1 tick, use 1 tick */ 1872 if (lsleep != 0 && timo == 0) 1873 forkfsleep = 1; 1874 else 1875 forkfsleep = timo; 1876 1877 return (0); 1878 } 1879 1880 /* 1881 * sysctl helper routine for kern.root_partition 1882 */ 1883 static int 1884 sysctl_kern_root_partition(SYSCTLFN_ARGS) 1885 { 1886 int rootpart = DISKPART(rootdev); 1887 struct sysctlnode node = *rnode; 1888 1889 node.sysctl_data = &rootpart; 1890 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1891 } 1892 1893 /* 1894 * sysctl helper function for kern.drivers 1895 */ 1896 static int 1897 sysctl_kern_drivers(SYSCTLFN_ARGS) 1898 { 1899 int error; 1900 size_t buflen; 1901 struct kinfo_drivers kd; 1902 char *start, *where; 1903 const char *dname; 1904 int i; 1905 extern struct devsw_conv *devsw_conv; 1906 extern int max_devsw_convs; 1907 1908 if (newp != NULL || namelen != 0) 1909 return (EINVAL); 1910 1911 start = where = oldp; 1912 buflen = *oldlenp; 1913 if (where == NULL) { 1914 *oldlenp = max_devsw_convs * sizeof kd; 1915 return 0; 1916 } 1917 1918 /* 1919 * An array of kinfo_drivers structures 1920 */ 1921 error = 0; 1922 for (i = 0; i < max_devsw_convs; i++) { 1923 dname = devsw_conv[i].d_name; 1924 if (dname == NULL) 1925 continue; 1926 if (buflen < sizeof kd) { 1927 error = ENOMEM; 1928 break; 1929 } 1930 memset(&kd, 0, sizeof(kd)); 1931 kd.d_bmajor = devsw_conv[i].d_bmajor; 1932 kd.d_cmajor = devsw_conv[i].d_cmajor; 1933 strlcpy(kd.d_name, dname, sizeof kd.d_name); 1934 error = copyout(&kd, where, sizeof kd); 1935 if (error != 0) 1936 break; 1937 buflen -= sizeof kd; 1938 where += sizeof kd; 1939 } 1940 *oldlenp = where - start; 1941 return error; 1942 } 1943 1944 /* 1945 * sysctl helper function for kern.file2 1946 */ 1947 static int 1948 sysctl_kern_file2(SYSCTLFN_ARGS) 1949 { 1950 struct proc *p; 1951 struct file *fp; 1952 struct filedesc *fd; 1953 struct kinfo_file kf; 1954 char *dp; 1955 u_int i, op; 1956 size_t len, needed, elem_size, out_size; 1957 int error, arg, elem_count; 1958 1959 if (namelen == 1 && name[0] == CTL_QUERY) 1960 return (sysctl_query(SYSCTLFN_CALL(rnode))); 1961 1962 if (namelen != 4) 1963 return (EINVAL); 1964 1965 error = 0; 1966 dp = oldp; 1967 len = (oldp != NULL) ? *oldlenp : 0; 1968 op = name[0]; 1969 arg = name[1]; 1970 elem_size = name[2]; 1971 elem_count = name[3]; 1972 out_size = MIN(sizeof(kf), elem_size); 1973 needed = 0; 1974 1975 if (elem_size < 1 || elem_count < 0) 1976 return (EINVAL); 1977 1978 switch (op) { 1979 case KERN_FILE_BYFILE: 1980 /* 1981 * doesn't use arg so it must be zero 1982 */ 1983 if (arg != 0) 1984 return (EINVAL); 1985 LIST_FOREACH(fp, &filehead, f_list) { 1986 if (CURTAIN(l->l_proc->p_ucred->cr_uid, 1987 fp->f_cred->cr_uid)) 1988 continue; 1989 if (len >= elem_size && elem_count > 0) { 1990 fill_file(&kf, fp, NULL, 0); 1991 error = copyout(&kf, dp, out_size); 1992 if (error) 1993 break; 1994 dp += elem_size; 1995 len -= elem_size; 1996 } 1997 if (elem_count > 0) { 1998 needed += elem_size; 1999 if (elem_count != INT_MAX) 2000 elem_count--; 2001 } 2002 } 2003 break; 2004 case KERN_FILE_BYPID: 2005 if (arg < -1) 2006 /* -1 means all processes */ 2007 return (EINVAL); 2008 proclist_lock_read(); 2009 PROCLIST_FOREACH(p, &allproc) { 2010 if (p->p_stat == SIDL) 2011 /* skip embryonic processes */ 2012 continue; 2013 if (CURTAIN(l->l_proc->p_ucred->cr_uid, 2014 p->p_ucred->cr_uid)) 2015 continue; 2016 if (arg > 0 && p->p_pid != arg) 2017 /* pick only the one we want */ 2018 /* XXX want 0 to mean "kernel files" */ 2019 continue; 2020 fd = p->p_fd; 2021 for (i = 0; i < fd->fd_nfiles; i++) { 2022 fp = fd->fd_ofiles[i]; 2023 if (fp == NULL || !FILE_IS_USABLE(fp)) 2024 continue; 2025 if (len >= elem_size && elem_count > 0) { 2026 fill_file(&kf, fd->fd_ofiles[i], 2027 p, i); 2028 error = copyout(&kf, dp, out_size); 2029 if (error) 2030 break; 2031 dp += elem_size; 2032 len -= elem_size; 2033 } 2034 if (elem_count > 0) { 2035 needed += elem_size; 2036 if (elem_count != INT_MAX) 2037 elem_count--; 2038 } 2039 } 2040 } 2041 proclist_unlock_read(); 2042 break; 2043 default: 2044 return (EINVAL); 2045 } 2046 2047 if (oldp == NULL) 2048 needed += KERN_FILESLOP * elem_size; 2049 *oldlenp = needed; 2050 2051 return (error); 2052 } 2053 2054 static void 2055 fill_file(struct kinfo_file *kp, const struct file *fp, struct proc *p, int i) 2056 { 2057 2058 memset(kp, 0, sizeof(*kp)); 2059 2060 kp->ki_fileaddr = PTRTOUINT64(fp); 2061 kp->ki_flag = fp->f_flag; 2062 kp->ki_iflags = fp->f_iflags; 2063 kp->ki_ftype = fp->f_type; 2064 kp->ki_count = fp->f_count; 2065 kp->ki_msgcount = fp->f_msgcount; 2066 kp->ki_usecount = fp->f_usecount; 2067 kp->ki_fucred = PTRTOUINT64(fp->f_cred); 2068 kp->ki_fuid = fp->f_cred->cr_uid; 2069 kp->ki_fgid = fp->f_cred->cr_gid; 2070 kp->ki_fops = PTRTOUINT64(fp->f_ops); 2071 kp->ki_foffset = fp->f_offset; 2072 kp->ki_fdata = PTRTOUINT64(fp->f_data); 2073 2074 /* vnode information to glue this file to something */ 2075 if (fp->f_type == DTYPE_VNODE) { 2076 struct vnode *vp = (struct vnode *)fp->f_data; 2077 2078 kp->ki_vun = PTRTOUINT64(vp->v_un.vu_socket); 2079 kp->ki_vsize = vp->v_size; 2080 kp->ki_vtype = vp->v_type; 2081 kp->ki_vtag = vp->v_tag; 2082 kp->ki_vdata = PTRTOUINT64(vp->v_data); 2083 } 2084 2085 /* process information when retrieved via KERN_FILE_BYPID */ 2086 if (p) { 2087 kp->ki_pid = p->p_pid; 2088 kp->ki_fd = i; 2089 kp->ki_ofileflags = p->p_fd->fd_ofileflags[i]; 2090 } 2091 } 2092 2093 static int 2094 sysctl_doeproc(SYSCTLFN_ARGS) 2095 { 2096 struct eproc eproc; 2097 struct kinfo_proc2 kproc2; 2098 struct kinfo_proc *dp; 2099 struct proc *p; 2100 const struct proclist_desc *pd; 2101 char *where, *dp2; 2102 int type, op, arg; 2103 u_int elem_size, elem_count; 2104 size_t buflen, needed; 2105 int error; 2106 2107 if (namelen == 1 && name[0] == CTL_QUERY) 2108 return (sysctl_query(SYSCTLFN_CALL(rnode))); 2109 2110 dp = oldp; 2111 dp2 = where = oldp; 2112 buflen = where != NULL ? *oldlenp : 0; 2113 error = 0; 2114 needed = 0; 2115 type = rnode->sysctl_num; 2116 2117 if (type == KERN_PROC) { 2118 if (namelen != 2 && !(namelen == 1 && name[0] == KERN_PROC_ALL)) 2119 return (EINVAL); 2120 op = name[0]; 2121 if (op != KERN_PROC_ALL) 2122 arg = name[1]; 2123 else 2124 arg = 0; /* Quell compiler warning */ 2125 elem_size = elem_count = 0; /* Ditto */ 2126 } else { 2127 if (namelen != 4) 2128 return (EINVAL); 2129 op = name[0]; 2130 arg = name[1]; 2131 elem_size = name[2]; 2132 elem_count = name[3]; 2133 } 2134 2135 proclist_lock_read(); 2136 2137 pd = proclists; 2138 again: 2139 PROCLIST_FOREACH(p, pd->pd_list) { 2140 /* 2141 * Skip embryonic processes. 2142 */ 2143 if (p->p_stat == SIDL) 2144 continue; 2145 2146 if (CURTAIN(l->l_proc->p_ucred->cr_uid, p->p_ucred->cr_uid)) 2147 continue; 2148 2149 /* 2150 * TODO - make more efficient (see notes below). 2151 * do by session. 2152 */ 2153 switch (op) { 2154 2155 case KERN_PROC_PID: 2156 /* could do this with just a lookup */ 2157 if (p->p_pid != (pid_t)arg) 2158 continue; 2159 break; 2160 2161 case KERN_PROC_PGRP: 2162 /* could do this by traversing pgrp */ 2163 if (p->p_pgrp->pg_id != (pid_t)arg) 2164 continue; 2165 break; 2166 2167 case KERN_PROC_SESSION: 2168 if (p->p_session->s_sid != (pid_t)arg) 2169 continue; 2170 break; 2171 2172 case KERN_PROC_TTY: 2173 if (arg == (int) KERN_PROC_TTY_REVOKE) { 2174 if ((p->p_flag & P_CONTROLT) == 0 || 2175 p->p_session->s_ttyp == NULL || 2176 p->p_session->s_ttyvp != NULL) 2177 continue; 2178 } else if ((p->p_flag & P_CONTROLT) == 0 || 2179 p->p_session->s_ttyp == NULL) { 2180 if ((dev_t)arg != KERN_PROC_TTY_NODEV) 2181 continue; 2182 } else if (p->p_session->s_ttyp->t_dev != (dev_t)arg) 2183 continue; 2184 break; 2185 2186 case KERN_PROC_UID: 2187 if (p->p_ucred->cr_uid != (uid_t)arg) 2188 continue; 2189 break; 2190 2191 case KERN_PROC_RUID: 2192 if (p->p_cred->p_ruid != (uid_t)arg) 2193 continue; 2194 break; 2195 2196 case KERN_PROC_GID: 2197 if (p->p_ucred->cr_gid != (uid_t)arg) 2198 continue; 2199 break; 2200 2201 case KERN_PROC_RGID: 2202 if (p->p_cred->p_rgid != (uid_t)arg) 2203 continue; 2204 break; 2205 2206 case KERN_PROC_ALL: 2207 /* allow everything */ 2208 break; 2209 2210 default: 2211 error = EINVAL; 2212 goto cleanup; 2213 } 2214 if (type == KERN_PROC) { 2215 if (buflen >= sizeof(struct kinfo_proc)) { 2216 fill_eproc(p, &eproc); 2217 error = copyout(p, &dp->kp_proc, 2218 sizeof(struct proc)); 2219 if (error) 2220 goto cleanup; 2221 error = copyout(&eproc, &dp->kp_eproc, 2222 sizeof(eproc)); 2223 if (error) 2224 goto cleanup; 2225 dp++; 2226 buflen -= sizeof(struct kinfo_proc); 2227 } 2228 needed += sizeof(struct kinfo_proc); 2229 } else { /* KERN_PROC2 */ 2230 if (buflen >= elem_size && elem_count > 0) { 2231 fill_kproc2(p, &kproc2); 2232 /* 2233 * Copy out elem_size, but not larger than 2234 * the size of a struct kinfo_proc2. 2235 */ 2236 error = copyout(&kproc2, dp2, 2237 min(sizeof(kproc2), elem_size)); 2238 if (error) 2239 goto cleanup; 2240 dp2 += elem_size; 2241 buflen -= elem_size; 2242 elem_count--; 2243 } 2244 needed += elem_size; 2245 } 2246 } 2247 pd++; 2248 if (pd->pd_list != NULL) 2249 goto again; 2250 proclist_unlock_read(); 2251 2252 if (where != NULL) { 2253 if (type == KERN_PROC) 2254 *oldlenp = (char *)dp - where; 2255 else 2256 *oldlenp = dp2 - where; 2257 if (needed > *oldlenp) 2258 return (ENOMEM); 2259 } else { 2260 needed += KERN_PROCSLOP; 2261 *oldlenp = needed; 2262 } 2263 return (0); 2264 cleanup: 2265 proclist_unlock_read(); 2266 return (error); 2267 } 2268 2269 /* 2270 * sysctl helper routine for kern.proc_args pseudo-subtree. 2271 */ 2272 static int 2273 sysctl_kern_proc_args(SYSCTLFN_ARGS) 2274 { 2275 struct ps_strings pss; 2276 struct proc *p, *up = l->l_proc; 2277 size_t len, upper_bound, xlen, i; 2278 struct uio auio; 2279 struct iovec aiov; 2280 vaddr_t argv; 2281 pid_t pid; 2282 int nargv, type, error; 2283 char *arg; 2284 char *tmp; 2285 struct vmspace *vmspace; 2286 vaddr_t psstr_addr; 2287 vaddr_t offsetn; 2288 vaddr_t offsetv; 2289 2290 if (namelen == 1 && name[0] == CTL_QUERY) 2291 return (sysctl_query(SYSCTLFN_CALL(rnode))); 2292 2293 if (newp != NULL || namelen != 2) 2294 return (EINVAL); 2295 pid = name[0]; 2296 type = name[1]; 2297 2298 switch (type) { 2299 case KERN_PROC_ARGV: 2300 case KERN_PROC_NARGV: 2301 case KERN_PROC_ENV: 2302 case KERN_PROC_NENV: 2303 /* ok */ 2304 break; 2305 default: 2306 return (EINVAL); 2307 } 2308 2309 proclist_lock_read(); 2310 2311 /* check pid */ 2312 if ((p = p_find(pid, PFIND_LOCKED)) == NULL) { 2313 error = EINVAL; 2314 goto out_locked; 2315 } 2316 2317 if (CURTAIN(l->l_proc->p_ucred->cr_uid, p->p_ucred->cr_uid)) { 2318 error = EPERM; 2319 goto out_locked; 2320 } 2321 2322 /* only root or same user change look at the environment */ 2323 if (type == KERN_PROC_ENV || type == KERN_PROC_NENV) { 2324 if (up->p_ucred->cr_uid != 0) { 2325 if (up->p_cred->p_ruid != p->p_cred->p_ruid || 2326 up->p_cred->p_ruid != p->p_cred->p_svuid) { 2327 error = EPERM; 2328 goto out_locked; 2329 } 2330 } 2331 } 2332 2333 if (oldp == NULL) { 2334 if (type == KERN_PROC_NARGV || type == KERN_PROC_NENV) 2335 *oldlenp = sizeof (int); 2336 else 2337 *oldlenp = ARG_MAX; /* XXX XXX XXX */ 2338 error = 0; 2339 goto out_locked; 2340 } 2341 2342 /* 2343 * Zombies don't have a stack, so we can't read their psstrings. 2344 * System processes also don't have a user stack. 2345 */ 2346 if (P_ZOMBIE(p) || (p->p_flag & P_SYSTEM) != 0) { 2347 error = EINVAL; 2348 goto out_locked; 2349 } 2350 2351 /* 2352 * Lock the process down in memory. 2353 */ 2354 /* XXXCDC: how should locking work here? */ 2355 if ((p->p_flag & P_WEXIT) || (p->p_vmspace->vm_refcnt < 1)) { 2356 error = EFAULT; 2357 goto out_locked; 2358 } 2359 2360 psstr_addr = (vaddr_t)p->p_psstr; 2361 if (type == KERN_PROC_ARGV || type == KERN_PROC_NARGV) { 2362 offsetn = p->p_psnargv; 2363 offsetv = p->p_psargv; 2364 } else { 2365 offsetn = p->p_psnenv; 2366 offsetv = p->p_psenv; 2367 } 2368 vmspace = p->p_vmspace; 2369 vmspace->vm_refcnt++; /* XXX */ 2370 2371 proclist_unlock_read(); 2372 2373 /* 2374 * Allocate a temporary buffer to hold the arguments. 2375 */ 2376 arg = malloc(PAGE_SIZE, M_TEMP, M_WAITOK); 2377 2378 /* 2379 * Read in the ps_strings structure. 2380 */ 2381 aiov.iov_base = &pss; 2382 aiov.iov_len = sizeof(pss); 2383 auio.uio_iov = &aiov; 2384 auio.uio_iovcnt = 1; 2385 auio.uio_offset = psstr_addr; 2386 auio.uio_resid = sizeof(pss); 2387 auio.uio_segflg = UIO_SYSSPACE; 2388 auio.uio_rw = UIO_READ; 2389 auio.uio_lwp = NULL; 2390 error = uvm_io(&vmspace->vm_map, &auio); 2391 if (error) 2392 goto done; 2393 2394 memcpy(&nargv, (char *)&pss + offsetn, sizeof(nargv)); 2395 if (type == KERN_PROC_NARGV || type == KERN_PROC_NENV) { 2396 error = copyout(&nargv, oldp, sizeof(nargv)); 2397 *oldlenp = sizeof(nargv); 2398 goto done; 2399 } 2400 /* 2401 * Now read the address of the argument vector. 2402 */ 2403 switch (type) { 2404 case KERN_PROC_ARGV: 2405 /* XXX compat32 stuff here */ 2406 /* FALLTHROUGH */ 2407 case KERN_PROC_ENV: 2408 memcpy(&tmp, (char *)&pss + offsetv, sizeof(tmp)); 2409 break; 2410 default: 2411 return (EINVAL); 2412 } 2413 auio.uio_offset = (off_t)(unsigned long)tmp; 2414 aiov.iov_base = &argv; 2415 aiov.iov_len = sizeof(argv); 2416 auio.uio_iov = &aiov; 2417 auio.uio_iovcnt = 1; 2418 auio.uio_resid = sizeof(argv); 2419 auio.uio_segflg = UIO_SYSSPACE; 2420 auio.uio_rw = UIO_READ; 2421 auio.uio_lwp = NULL; 2422 error = uvm_io(&vmspace->vm_map, &auio); 2423 if (error) 2424 goto done; 2425 2426 /* 2427 * Now copy in the actual argument vector, one page at a time, 2428 * since we don't know how long the vector is (though, we do 2429 * know how many NUL-terminated strings are in the vector). 2430 */ 2431 len = 0; 2432 upper_bound = *oldlenp; 2433 for (; nargv != 0 && len < upper_bound; len += xlen) { 2434 aiov.iov_base = arg; 2435 aiov.iov_len = PAGE_SIZE; 2436 auio.uio_iov = &aiov; 2437 auio.uio_iovcnt = 1; 2438 auio.uio_offset = argv + len; 2439 xlen = PAGE_SIZE - ((argv + len) & PAGE_MASK); 2440 auio.uio_resid = xlen; 2441 auio.uio_segflg = UIO_SYSSPACE; 2442 auio.uio_rw = UIO_READ; 2443 auio.uio_lwp = NULL; 2444 error = uvm_io(&vmspace->vm_map, &auio); 2445 if (error) 2446 goto done; 2447 2448 for (i = 0; i < xlen && nargv != 0; i++) { 2449 if (arg[i] == '\0') 2450 nargv--; /* one full string */ 2451 } 2452 2453 /* 2454 * Make sure we don't copyout past the end of the user's 2455 * buffer. 2456 */ 2457 if (len + i > upper_bound) 2458 i = upper_bound - len; 2459 2460 error = copyout(arg, (char *)oldp + len, i); 2461 if (error) 2462 break; 2463 2464 if (nargv == 0) { 2465 len += i; 2466 break; 2467 } 2468 } 2469 *oldlenp = len; 2470 2471 done: 2472 uvmspace_free(vmspace); 2473 2474 free(arg, M_TEMP); 2475 return error; 2476 2477 out_locked: 2478 proclist_unlock_read(); 2479 return error; 2480 } 2481 2482 /* 2483 * Sysctl helper routine for Verified Exec. 2484 */ 2485 #ifdef VERIFIED_EXEC 2486 static int 2487 sysctl_kern_veriexec(SYSCTLFN_ARGS) 2488 { 2489 int newval, error; 2490 int *var = NULL, raise_only = 0; 2491 struct sysctlnode node; 2492 2493 node = *rnode; 2494 2495 switch (rnode->sysctl_num) { 2496 case VERIEXEC_STRICT: 2497 raise_only = 1; 2498 var = &veriexec_strict; 2499 break; 2500 case VERIEXEC_ALGORITHMS: 2501 node.sysctl_data = veriexec_fp_names; 2502 node.sysctl_size = strlen(veriexec_fp_names) + 1; 2503 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 2504 default: 2505 return (EINVAL); 2506 } 2507 2508 newval = *var; 2509 2510 node.sysctl_data = &newval; 2511 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 2512 if (error || newp == NULL) { 2513 return (error); 2514 } 2515 2516 if (raise_only && (newval < *var)) 2517 return (EPERM); 2518 2519 *var = newval; 2520 2521 return (error); 2522 } 2523 #endif /* VERIFIED_EXEC */ 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 = p->p_ucred->cr_uid; 2772 ki->p_ruid = p->p_cred->p_ruid; 2773 ki->p_gid = p->p_ucred->cr_gid; 2774 ki->p_rgid = p->p_cred->p_rgid; 2775 ki->p_svuid = p->p_cred->p_svuid; 2776 ki->p_svgid = p->p_cred->p_svgid; 2777 2778 memcpy(ki->p_groups, p->p_cred->pc_ucred->cr_groups, 2779 min(sizeof(ki->p_groups), sizeof(p->p_cred->pc_ucred->cr_groups))); 2780 ki->p_ngroups = p->p_cred->pc_ucred->cr_ngroups; 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; 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 ep->e_pcred = *p->p_cred; 2960 ep->e_ucred = *p->p_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 13:09:51 GMT 2025