libprocstat.c revision 241304
1/*- 2 * Copyright (c) 2009 Stanislav Sedov <stas@FreeBSD.org> 3 * Copyright (c) 1988, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by the University of 17 * California, Berkeley and its contributors. 18 * 4. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35#include <sys/cdefs.h> 36__FBSDID("$FreeBSD: head/lib/libprocstat/libprocstat.c 241304 2012-10-06 20:17:28Z avg $"); 37 38#include <sys/param.h> 39#include <sys/time.h> 40#include <sys/proc.h> 41#include <sys/user.h> 42#include <sys/stat.h> 43#include <sys/vnode.h> 44#include <sys/socket.h> 45#include <sys/socketvar.h> 46#include <sys/domain.h> 47#include <sys/protosw.h> 48#include <sys/un.h> 49#include <sys/unpcb.h> 50#include <sys/sysctl.h> 51#include <sys/tty.h> 52#include <sys/filedesc.h> 53#include <sys/queue.h> 54#define _WANT_FILE 55#include <sys/file.h> 56#include <sys/conf.h> 57#include <sys/mman.h> 58#define _KERNEL 59#include <sys/mount.h> 60#include <sys/pipe.h> 61#include <ufs/ufs/quota.h> 62#include <ufs/ufs/inode.h> 63#include <fs/devfs/devfs.h> 64#include <fs/devfs/devfs_int.h> 65#undef _KERNEL 66#include <nfs/nfsproto.h> 67#include <nfsclient/nfs.h> 68#include <nfsclient/nfsnode.h> 69 70#include <vm/vm.h> 71#include <vm/vm_map.h> 72#include <vm/vm_object.h> 73 74#include <net/route.h> 75#include <netinet/in.h> 76#include <netinet/in_systm.h> 77#include <netinet/ip.h> 78#include <netinet/in_pcb.h> 79 80#include <assert.h> 81#include <ctype.h> 82#include <err.h> 83#include <fcntl.h> 84#include <kvm.h> 85#include <libutil.h> 86#include <limits.h> 87#include <paths.h> 88#include <pwd.h> 89#include <stdio.h> 90#include <stdlib.h> 91#include <stddef.h> 92#include <string.h> 93#include <unistd.h> 94#include <netdb.h> 95 96#include <libprocstat.h> 97#include "libprocstat_internal.h" 98#include "common_kvm.h" 99 100int statfs(const char *, struct statfs *); /* XXX */ 101 102#define PROCSTAT_KVM 1 103#define PROCSTAT_SYSCTL 2 104 105static char *getmnton(kvm_t *kd, struct mount *m); 106static struct filestat_list *procstat_getfiles_kvm( 107 struct procstat *procstat, struct kinfo_proc *kp, int mmapped); 108static struct filestat_list *procstat_getfiles_sysctl( 109 struct procstat *procstat, struct kinfo_proc *kp, int mmapped); 110static int procstat_get_pipe_info_sysctl(struct filestat *fst, 111 struct pipestat *pipe, char *errbuf); 112static int procstat_get_pipe_info_kvm(kvm_t *kd, struct filestat *fst, 113 struct pipestat *pipe, char *errbuf); 114static int procstat_get_pts_info_sysctl(struct filestat *fst, 115 struct ptsstat *pts, char *errbuf); 116static int procstat_get_pts_info_kvm(kvm_t *kd, struct filestat *fst, 117 struct ptsstat *pts, char *errbuf); 118static int procstat_get_shm_info_sysctl(struct filestat *fst, 119 struct shmstat *shm, char *errbuf); 120static int procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst, 121 struct shmstat *shm, char *errbuf); 122static int procstat_get_socket_info_sysctl(struct filestat *fst, 123 struct sockstat *sock, char *errbuf); 124static int procstat_get_socket_info_kvm(kvm_t *kd, struct filestat *fst, 125 struct sockstat *sock, char *errbuf); 126static int to_filestat_flags(int flags); 127static int procstat_get_vnode_info_kvm(kvm_t *kd, struct filestat *fst, 128 struct vnstat *vn, char *errbuf); 129static int procstat_get_vnode_info_sysctl(struct filestat *fst, 130 struct vnstat *vn, char *errbuf); 131static int vntype2psfsttype(int type); 132 133void 134procstat_close(struct procstat *procstat) 135{ 136 137 assert(procstat); 138 if (procstat->type == PROCSTAT_KVM) 139 kvm_close(procstat->kd); 140 free(procstat); 141} 142 143struct procstat * 144procstat_open_sysctl(void) 145{ 146 struct procstat *procstat; 147 148 procstat = calloc(1, sizeof(*procstat)); 149 if (procstat == NULL) { 150 warn("malloc()"); 151 return (NULL); 152 } 153 procstat->type = PROCSTAT_SYSCTL; 154 return (procstat); 155} 156 157struct procstat * 158procstat_open_kvm(const char *nlistf, const char *memf) 159{ 160 struct procstat *procstat; 161 kvm_t *kd; 162 char buf[_POSIX2_LINE_MAX]; 163 164 procstat = calloc(1, sizeof(*procstat)); 165 if (procstat == NULL) { 166 warn("malloc()"); 167 return (NULL); 168 } 169 kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf); 170 if (kd == NULL) { 171 warnx("kvm_openfiles(): %s", buf); 172 free(procstat); 173 return (NULL); 174 } 175 procstat->type = PROCSTAT_KVM; 176 procstat->kd = kd; 177 return (procstat); 178} 179 180struct kinfo_proc * 181procstat_getprocs(struct procstat *procstat, int what, int arg, 182 unsigned int *count) 183{ 184 struct kinfo_proc *p0, *p; 185 size_t len; 186 int name[4]; 187 int cnt; 188 int error; 189 190 assert(procstat); 191 assert(count); 192 p = NULL; 193 if (procstat->type == PROCSTAT_KVM) { 194 *count = 0; 195 p0 = kvm_getprocs(procstat->kd, what, arg, &cnt); 196 if (p0 == NULL || cnt <= 0) 197 return (NULL); 198 *count = cnt; 199 len = *count * sizeof(*p); 200 p = malloc(len); 201 if (p == NULL) { 202 warnx("malloc(%zu)", len); 203 goto fail; 204 } 205 bcopy(p0, p, len); 206 return (p); 207 } else if (procstat->type == PROCSTAT_SYSCTL) { 208 len = 0; 209 name[0] = CTL_KERN; 210 name[1] = KERN_PROC; 211 name[2] = what; 212 name[3] = arg; 213 error = sysctl(name, 4, NULL, &len, NULL, 0); 214 if (error < 0 && errno != EPERM) { 215 warn("sysctl(kern.proc)"); 216 goto fail; 217 } 218 if (len == 0) { 219 warnx("no processes?"); 220 goto fail; 221 } 222 p = malloc(len); 223 if (p == NULL) { 224 warnx("malloc(%zu)", len); 225 goto fail; 226 } 227 error = sysctl(name, 4, p, &len, NULL, 0); 228 if (error < 0 && errno != EPERM) { 229 warn("sysctl(kern.proc)"); 230 goto fail; 231 } 232 /* Perform simple consistency checks. */ 233 if ((len % sizeof(*p)) != 0 || p->ki_structsize != sizeof(*p)) { 234 warnx("kinfo_proc structure size mismatch"); 235 goto fail; 236 } 237 *count = len / sizeof(*p); 238 return (p); 239 } else { 240 warnx("unknown access method: %d", procstat->type); 241 return (NULL); 242 } 243fail: 244 if (p) 245 free(p); 246 return (NULL); 247} 248 249void 250procstat_freeprocs(struct procstat *procstat __unused, struct kinfo_proc *p) 251{ 252 253 if (p != NULL) 254 free(p); 255 p = NULL; 256} 257 258struct filestat_list * 259procstat_getfiles(struct procstat *procstat, struct kinfo_proc *kp, int mmapped) 260{ 261 262 if (procstat->type == PROCSTAT_SYSCTL) 263 return (procstat_getfiles_sysctl(procstat, kp, mmapped)); 264 else if (procstat->type == PROCSTAT_KVM) 265 return (procstat_getfiles_kvm(procstat, kp, mmapped)); 266 else 267 return (NULL); 268} 269 270void 271procstat_freefiles(struct procstat *procstat, struct filestat_list *head) 272{ 273 struct filestat *fst, *tmp; 274 275 STAILQ_FOREACH_SAFE(fst, head, next, tmp) { 276 if (fst->fs_path != NULL) 277 free(fst->fs_path); 278 free(fst); 279 } 280 free(head); 281 if (procstat->vmentries != NULL) { 282 free(procstat->vmentries); 283 procstat->vmentries = NULL; 284 } 285 if (procstat->files != NULL) { 286 free(procstat->files); 287 procstat->files = NULL; 288 } 289} 290 291static struct filestat * 292filestat_new_entry(void *typedep, int type, int fd, int fflags, int uflags, 293 int refcount, off_t offset, char *path, cap_rights_t cap_rights) 294{ 295 struct filestat *entry; 296 297 entry = calloc(1, sizeof(*entry)); 298 if (entry == NULL) { 299 warn("malloc()"); 300 return (NULL); 301 } 302 entry->fs_typedep = typedep; 303 entry->fs_fflags = fflags; 304 entry->fs_uflags = uflags; 305 entry->fs_fd = fd; 306 entry->fs_type = type; 307 entry->fs_ref_count = refcount; 308 entry->fs_offset = offset; 309 entry->fs_path = path; 310 entry->fs_cap_rights = cap_rights; 311 return (entry); 312} 313 314static struct vnode * 315getctty(kvm_t *kd, struct kinfo_proc *kp) 316{ 317 struct pgrp pgrp; 318 struct proc proc; 319 struct session sess; 320 int error; 321 322 assert(kp); 323 error = kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc, 324 sizeof(proc)); 325 if (error == 0) { 326 warnx("can't read proc struct at %p for pid %d", 327 kp->ki_paddr, kp->ki_pid); 328 return (NULL); 329 } 330 if (proc.p_pgrp == NULL) 331 return (NULL); 332 error = kvm_read_all(kd, (unsigned long)proc.p_pgrp, &pgrp, 333 sizeof(pgrp)); 334 if (error == 0) { 335 warnx("can't read pgrp struct at %p for pid %d", 336 proc.p_pgrp, kp->ki_pid); 337 return (NULL); 338 } 339 error = kvm_read_all(kd, (unsigned long)pgrp.pg_session, &sess, 340 sizeof(sess)); 341 if (error == 0) { 342 warnx("can't read session struct at %p for pid %d", 343 pgrp.pg_session, kp->ki_pid); 344 return (NULL); 345 } 346 return (sess.s_ttyvp); 347} 348 349static struct filestat_list * 350procstat_getfiles_kvm(struct procstat *procstat, struct kinfo_proc *kp, int mmapped) 351{ 352 struct file file; 353 struct filedesc filed; 354 struct vm_map_entry vmentry; 355 struct vm_object object; 356 struct vmspace vmspace; 357 vm_map_entry_t entryp; 358 vm_map_t map; 359 vm_object_t objp; 360 struct vnode *vp; 361 struct file **ofiles; 362 struct filestat *entry; 363 struct filestat_list *head; 364 kvm_t *kd; 365 void *data; 366 int i, fflags; 367 int prot, type; 368 unsigned int nfiles; 369 370 assert(procstat); 371 kd = procstat->kd; 372 if (kd == NULL) 373 return (NULL); 374 if (kp->ki_fd == NULL) 375 return (NULL); 376 if (!kvm_read_all(kd, (unsigned long)kp->ki_fd, &filed, 377 sizeof(filed))) { 378 warnx("can't read filedesc at %p", (void *)kp->ki_fd); 379 return (NULL); 380 } 381 382 /* 383 * Allocate list head. 384 */ 385 head = malloc(sizeof(*head)); 386 if (head == NULL) 387 return (NULL); 388 STAILQ_INIT(head); 389 390 /* root directory vnode, if one. */ 391 if (filed.fd_rdir) { 392 entry = filestat_new_entry(filed.fd_rdir, PS_FST_TYPE_VNODE, -1, 393 PS_FST_FFLAG_READ, PS_FST_UFLAG_RDIR, 0, 0, NULL, 0); 394 if (entry != NULL) 395 STAILQ_INSERT_TAIL(head, entry, next); 396 } 397 /* current working directory vnode. */ 398 if (filed.fd_cdir) { 399 entry = filestat_new_entry(filed.fd_cdir, PS_FST_TYPE_VNODE, -1, 400 PS_FST_FFLAG_READ, PS_FST_UFLAG_CDIR, 0, 0, NULL, 0); 401 if (entry != NULL) 402 STAILQ_INSERT_TAIL(head, entry, next); 403 } 404 /* jail root, if any. */ 405 if (filed.fd_jdir) { 406 entry = filestat_new_entry(filed.fd_jdir, PS_FST_TYPE_VNODE, -1, 407 PS_FST_FFLAG_READ, PS_FST_UFLAG_JAIL, 0, 0, NULL, 0); 408 if (entry != NULL) 409 STAILQ_INSERT_TAIL(head, entry, next); 410 } 411 /* ktrace vnode, if one */ 412 if (kp->ki_tracep) { 413 entry = filestat_new_entry(kp->ki_tracep, PS_FST_TYPE_VNODE, -1, 414 PS_FST_FFLAG_READ | PS_FST_FFLAG_WRITE, 415 PS_FST_UFLAG_TRACE, 0, 0, NULL, 0); 416 if (entry != NULL) 417 STAILQ_INSERT_TAIL(head, entry, next); 418 } 419 /* text vnode, if one */ 420 if (kp->ki_textvp) { 421 entry = filestat_new_entry(kp->ki_textvp, PS_FST_TYPE_VNODE, -1, 422 PS_FST_FFLAG_READ, PS_FST_UFLAG_TEXT, 0, 0, NULL, 0); 423 if (entry != NULL) 424 STAILQ_INSERT_TAIL(head, entry, next); 425 } 426 /* Controlling terminal. */ 427 if ((vp = getctty(kd, kp)) != NULL) { 428 entry = filestat_new_entry(vp, PS_FST_TYPE_VNODE, -1, 429 PS_FST_FFLAG_READ | PS_FST_FFLAG_WRITE, 430 PS_FST_UFLAG_CTTY, 0, 0, NULL, 0); 431 if (entry != NULL) 432 STAILQ_INSERT_TAIL(head, entry, next); 433 } 434 435 nfiles = filed.fd_lastfile + 1; 436 ofiles = malloc(nfiles * sizeof(struct file *)); 437 if (ofiles == NULL) { 438 warn("malloc(%zu)", nfiles * sizeof(struct file *)); 439 goto do_mmapped; 440 } 441 if (!kvm_read_all(kd, (unsigned long)filed.fd_ofiles, ofiles, 442 nfiles * sizeof(struct file *))) { 443 warnx("cannot read file structures at %p", 444 (void *)filed.fd_ofiles); 445 free(ofiles); 446 goto do_mmapped; 447 } 448 for (i = 0; i <= filed.fd_lastfile; i++) { 449 if (ofiles[i] == NULL) 450 continue; 451 if (!kvm_read_all(kd, (unsigned long)ofiles[i], &file, 452 sizeof(struct file))) { 453 warnx("can't read file %d at %p", i, 454 (void *)ofiles[i]); 455 continue; 456 } 457 switch (file.f_type) { 458 case DTYPE_VNODE: 459 type = PS_FST_TYPE_VNODE; 460 data = file.f_vnode; 461 break; 462 case DTYPE_SOCKET: 463 type = PS_FST_TYPE_SOCKET; 464 data = file.f_data; 465 break; 466 case DTYPE_PIPE: 467 type = PS_FST_TYPE_PIPE; 468 data = file.f_data; 469 break; 470 case DTYPE_FIFO: 471 type = PS_FST_TYPE_FIFO; 472 data = file.f_vnode; 473 break; 474#ifdef DTYPE_PTS 475 case DTYPE_PTS: 476 type = PS_FST_TYPE_PTS; 477 data = file.f_data; 478 break; 479#endif 480 case DTYPE_SHM: 481 type = PS_FST_TYPE_SHM; 482 data = file.f_data; 483 break; 484 default: 485 continue; 486 } 487 /* XXXRW: No capability rights support for kvm yet. */ 488 entry = filestat_new_entry(data, type, i, 489 to_filestat_flags(file.f_flag), 0, 0, 0, NULL, 0); 490 if (entry != NULL) 491 STAILQ_INSERT_TAIL(head, entry, next); 492 } 493 free(ofiles); 494 495do_mmapped: 496 497 /* 498 * Process mmapped files if requested. 499 */ 500 if (mmapped) { 501 if (!kvm_read_all(kd, (unsigned long)kp->ki_vmspace, &vmspace, 502 sizeof(vmspace))) { 503 warnx("can't read vmspace at %p", 504 (void *)kp->ki_vmspace); 505 goto exit; 506 } 507 map = &vmspace.vm_map; 508 509 for (entryp = map->header.next; 510 entryp != &kp->ki_vmspace->vm_map.header; 511 entryp = vmentry.next) { 512 if (!kvm_read_all(kd, (unsigned long)entryp, &vmentry, 513 sizeof(vmentry))) { 514 warnx("can't read vm_map_entry at %p", 515 (void *)entryp); 516 continue; 517 } 518 if (vmentry.eflags & MAP_ENTRY_IS_SUB_MAP) 519 continue; 520 if ((objp = vmentry.object.vm_object) == NULL) 521 continue; 522 for (; objp; objp = object.backing_object) { 523 if (!kvm_read_all(kd, (unsigned long)objp, 524 &object, sizeof(object))) { 525 warnx("can't read vm_object at %p", 526 (void *)objp); 527 break; 528 } 529 } 530 531 /* We want only vnode objects. */ 532 if (object.type != OBJT_VNODE) 533 continue; 534 535 prot = vmentry.protection; 536 fflags = 0; 537 if (prot & VM_PROT_READ) 538 fflags = PS_FST_FFLAG_READ; 539 if ((vmentry.eflags & MAP_ENTRY_COW) == 0 && 540 prot & VM_PROT_WRITE) 541 fflags |= PS_FST_FFLAG_WRITE; 542 543 /* 544 * Create filestat entry. 545 */ 546 entry = filestat_new_entry(object.handle, 547 PS_FST_TYPE_VNODE, -1, fflags, 548 PS_FST_UFLAG_MMAP, 0, 0, NULL, 0); 549 if (entry != NULL) 550 STAILQ_INSERT_TAIL(head, entry, next); 551 } 552 } 553exit: 554 return (head); 555} 556 557/* 558 * kinfo types to filestat translation. 559 */ 560static int 561kinfo_type2fst(int kftype) 562{ 563 static struct { 564 int kf_type; 565 int fst_type; 566 } kftypes2fst[] = { 567 { KF_TYPE_CRYPTO, PS_FST_TYPE_CRYPTO }, 568 { KF_TYPE_FIFO, PS_FST_TYPE_FIFO }, 569 { KF_TYPE_KQUEUE, PS_FST_TYPE_KQUEUE }, 570 { KF_TYPE_MQUEUE, PS_FST_TYPE_MQUEUE }, 571 { KF_TYPE_NONE, PS_FST_TYPE_NONE }, 572 { KF_TYPE_PIPE, PS_FST_TYPE_PIPE }, 573 { KF_TYPE_PTS, PS_FST_TYPE_PTS }, 574 { KF_TYPE_SEM, PS_FST_TYPE_SEM }, 575 { KF_TYPE_SHM, PS_FST_TYPE_SHM }, 576 { KF_TYPE_SOCKET, PS_FST_TYPE_SOCKET }, 577 { KF_TYPE_VNODE, PS_FST_TYPE_VNODE }, 578 { KF_TYPE_UNKNOWN, PS_FST_TYPE_UNKNOWN } 579 }; 580#define NKFTYPES (sizeof(kftypes2fst) / sizeof(*kftypes2fst)) 581 unsigned int i; 582 583 for (i = 0; i < NKFTYPES; i++) 584 if (kftypes2fst[i].kf_type == kftype) 585 break; 586 if (i == NKFTYPES) 587 return (PS_FST_TYPE_UNKNOWN); 588 return (kftypes2fst[i].fst_type); 589} 590 591/* 592 * kinfo flags to filestat translation. 593 */ 594static int 595kinfo_fflags2fst(int kfflags) 596{ 597 static struct { 598 int kf_flag; 599 int fst_flag; 600 } kfflags2fst[] = { 601 { KF_FLAG_APPEND, PS_FST_FFLAG_APPEND }, 602 { KF_FLAG_ASYNC, PS_FST_FFLAG_ASYNC }, 603 { KF_FLAG_CAPABILITY, PS_FST_FFLAG_CAPABILITY }, 604 { KF_FLAG_CREAT, PS_FST_FFLAG_CREAT }, 605 { KF_FLAG_DIRECT, PS_FST_FFLAG_DIRECT }, 606 { KF_FLAG_EXCL, PS_FST_FFLAG_EXCL }, 607 { KF_FLAG_EXEC, PS_FST_FFLAG_EXEC }, 608 { KF_FLAG_EXLOCK, PS_FST_FFLAG_EXLOCK }, 609 { KF_FLAG_FSYNC, PS_FST_FFLAG_SYNC }, 610 { KF_FLAG_HASLOCK, PS_FST_FFLAG_HASLOCK }, 611 { KF_FLAG_NOFOLLOW, PS_FST_FFLAG_NOFOLLOW }, 612 { KF_FLAG_NONBLOCK, PS_FST_FFLAG_NONBLOCK }, 613 { KF_FLAG_READ, PS_FST_FFLAG_READ }, 614 { KF_FLAG_SHLOCK, PS_FST_FFLAG_SHLOCK }, 615 { KF_FLAG_TRUNC, PS_FST_FFLAG_TRUNC }, 616 { KF_FLAG_WRITE, PS_FST_FFLAG_WRITE } 617 }; 618#define NKFFLAGS (sizeof(kfflags2fst) / sizeof(*kfflags2fst)) 619 unsigned int i; 620 int flags; 621 622 flags = 0; 623 for (i = 0; i < NKFFLAGS; i++) 624 if ((kfflags & kfflags2fst[i].kf_flag) != 0) 625 flags |= kfflags2fst[i].fst_flag; 626 return (flags); 627} 628 629static int 630kinfo_uflags2fst(int fd) 631{ 632 633 switch (fd) { 634 case KF_FD_TYPE_CTTY: 635 return (PS_FST_UFLAG_CTTY); 636 case KF_FD_TYPE_CWD: 637 return (PS_FST_UFLAG_CDIR); 638 case KF_FD_TYPE_JAIL: 639 return (PS_FST_UFLAG_JAIL); 640 case KF_FD_TYPE_TEXT: 641 return (PS_FST_UFLAG_TEXT); 642 case KF_FD_TYPE_TRACE: 643 return (PS_FST_UFLAG_TRACE); 644 case KF_FD_TYPE_ROOT: 645 return (PS_FST_UFLAG_RDIR); 646 } 647 return (0); 648} 649 650static struct filestat_list * 651procstat_getfiles_sysctl(struct procstat *procstat, struct kinfo_proc *kp, int mmapped) 652{ 653 struct kinfo_file *kif, *files; 654 struct kinfo_vmentry *kve, *vmentries; 655 struct filestat_list *head; 656 struct filestat *entry; 657 char *path; 658 off_t offset; 659 int cnt, fd, fflags; 660 int i, type, uflags; 661 int refcount; 662 cap_rights_t cap_rights; 663 664 assert(kp); 665 if (kp->ki_fd == NULL) 666 return (NULL); 667 668 files = kinfo_getfile(kp->ki_pid, &cnt); 669 if (files == NULL && errno != EPERM) { 670 warn("kinfo_getfile()"); 671 return (NULL); 672 } 673 procstat->files = files; 674 675 /* 676 * Allocate list head. 677 */ 678 head = malloc(sizeof(*head)); 679 if (head == NULL) 680 return (NULL); 681 STAILQ_INIT(head); 682 for (i = 0; i < cnt; i++) { 683 kif = &files[i]; 684 685 type = kinfo_type2fst(kif->kf_type); 686 fd = kif->kf_fd >= 0 ? kif->kf_fd : -1; 687 fflags = kinfo_fflags2fst(kif->kf_flags); 688 uflags = kinfo_uflags2fst(kif->kf_fd); 689 refcount = kif->kf_ref_count; 690 offset = kif->kf_offset; 691 if (*kif->kf_path != '\0') 692 path = strdup(kif->kf_path); 693 else 694 path = NULL; 695 cap_rights = kif->kf_cap_rights; 696 697 /* 698 * Create filestat entry. 699 */ 700 entry = filestat_new_entry(kif, type, fd, fflags, uflags, 701 refcount, offset, path, cap_rights); 702 if (entry != NULL) 703 STAILQ_INSERT_TAIL(head, entry, next); 704 } 705 if (mmapped != 0) { 706 vmentries = kinfo_getvmmap(kp->ki_pid, &cnt); 707 procstat->vmentries = vmentries; 708 if (vmentries == NULL || cnt == 0) 709 goto fail; 710 for (i = 0; i < cnt; i++) { 711 kve = &vmentries[i]; 712 if (kve->kve_type != KVME_TYPE_VNODE) 713 continue; 714 fflags = 0; 715 if (kve->kve_protection & KVME_PROT_READ) 716 fflags = PS_FST_FFLAG_READ; 717 if ((kve->kve_flags & KVME_FLAG_COW) == 0 && 718 kve->kve_protection & KVME_PROT_WRITE) 719 fflags |= PS_FST_FFLAG_WRITE; 720 offset = kve->kve_offset; 721 refcount = kve->kve_ref_count; 722 if (*kve->kve_path != '\0') 723 path = strdup(kve->kve_path); 724 else 725 path = NULL; 726 entry = filestat_new_entry(kve, PS_FST_TYPE_VNODE, -1, 727 fflags, PS_FST_UFLAG_MMAP, refcount, offset, path, 728 0); 729 if (entry != NULL) 730 STAILQ_INSERT_TAIL(head, entry, next); 731 } 732 } 733fail: 734 return (head); 735} 736 737int 738procstat_get_pipe_info(struct procstat *procstat, struct filestat *fst, 739 struct pipestat *ps, char *errbuf) 740{ 741 742 assert(ps); 743 if (procstat->type == PROCSTAT_KVM) { 744 return (procstat_get_pipe_info_kvm(procstat->kd, fst, ps, 745 errbuf)); 746 } else if (procstat->type == PROCSTAT_SYSCTL) { 747 return (procstat_get_pipe_info_sysctl(fst, ps, errbuf)); 748 } else { 749 warnx("unknown access method: %d", procstat->type); 750 snprintf(errbuf, _POSIX2_LINE_MAX, "error"); 751 return (1); 752 } 753} 754 755static int 756procstat_get_pipe_info_kvm(kvm_t *kd, struct filestat *fst, 757 struct pipestat *ps, char *errbuf) 758{ 759 struct pipe pi; 760 void *pipep; 761 762 assert(kd); 763 assert(ps); 764 assert(fst); 765 bzero(ps, sizeof(*ps)); 766 pipep = fst->fs_typedep; 767 if (pipep == NULL) 768 goto fail; 769 if (!kvm_read_all(kd, (unsigned long)pipep, &pi, sizeof(struct pipe))) { 770 warnx("can't read pipe at %p", (void *)pipep); 771 goto fail; 772 } 773 ps->addr = (uintptr_t)pipep; 774 ps->peer = (uintptr_t)pi.pipe_peer; 775 ps->buffer_cnt = pi.pipe_buffer.cnt; 776 return (0); 777 778fail: 779 snprintf(errbuf, _POSIX2_LINE_MAX, "error"); 780 return (1); 781} 782 783static int 784procstat_get_pipe_info_sysctl(struct filestat *fst, struct pipestat *ps, 785 char *errbuf __unused) 786{ 787 struct kinfo_file *kif; 788 789 assert(ps); 790 assert(fst); 791 bzero(ps, sizeof(*ps)); 792 kif = fst->fs_typedep; 793 if (kif == NULL) 794 return (1); 795 ps->addr = kif->kf_un.kf_pipe.kf_pipe_addr; 796 ps->peer = kif->kf_un.kf_pipe.kf_pipe_peer; 797 ps->buffer_cnt = kif->kf_un.kf_pipe.kf_pipe_buffer_cnt; 798 return (0); 799} 800 801int 802procstat_get_pts_info(struct procstat *procstat, struct filestat *fst, 803 struct ptsstat *pts, char *errbuf) 804{ 805 806 assert(pts); 807 if (procstat->type == PROCSTAT_KVM) { 808 return (procstat_get_pts_info_kvm(procstat->kd, fst, pts, 809 errbuf)); 810 } else if (procstat->type == PROCSTAT_SYSCTL) { 811 return (procstat_get_pts_info_sysctl(fst, pts, errbuf)); 812 } else { 813 warnx("unknown access method: %d", procstat->type); 814 snprintf(errbuf, _POSIX2_LINE_MAX, "error"); 815 return (1); 816 } 817} 818 819static int 820procstat_get_pts_info_kvm(kvm_t *kd, struct filestat *fst, 821 struct ptsstat *pts, char *errbuf) 822{ 823 struct tty tty; 824 void *ttyp; 825 826 assert(kd); 827 assert(pts); 828 assert(fst); 829 bzero(pts, sizeof(*pts)); 830 ttyp = fst->fs_typedep; 831 if (ttyp == NULL) 832 goto fail; 833 if (!kvm_read_all(kd, (unsigned long)ttyp, &tty, sizeof(struct tty))) { 834 warnx("can't read tty at %p", (void *)ttyp); 835 goto fail; 836 } 837 pts->dev = dev2udev(kd, tty.t_dev); 838 (void)kdevtoname(kd, tty.t_dev, pts->devname); 839 return (0); 840 841fail: 842 snprintf(errbuf, _POSIX2_LINE_MAX, "error"); 843 return (1); 844} 845 846static int 847procstat_get_pts_info_sysctl(struct filestat *fst, struct ptsstat *pts, 848 char *errbuf __unused) 849{ 850 struct kinfo_file *kif; 851 852 assert(pts); 853 assert(fst); 854 bzero(pts, sizeof(*pts)); 855 kif = fst->fs_typedep; 856 if (kif == NULL) 857 return (0); 858 pts->dev = kif->kf_un.kf_pts.kf_pts_dev; 859 strlcpy(pts->devname, kif->kf_path, sizeof(pts->devname)); 860 return (0); 861} 862 863int 864procstat_get_shm_info(struct procstat *procstat, struct filestat *fst, 865 struct shmstat *shm, char *errbuf) 866{ 867 868 assert(shm); 869 if (procstat->type == PROCSTAT_KVM) { 870 return (procstat_get_shm_info_kvm(procstat->kd, fst, shm, 871 errbuf)); 872 } else if (procstat->type == PROCSTAT_SYSCTL) { 873 return (procstat_get_shm_info_sysctl(fst, shm, errbuf)); 874 } else { 875 warnx("unknown access method: %d", procstat->type); 876 snprintf(errbuf, _POSIX2_LINE_MAX, "error"); 877 return (1); 878 } 879} 880 881static int 882procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst, 883 struct shmstat *shm, char *errbuf) 884{ 885 struct shmfd shmfd; 886 void *shmfdp; 887 char *path; 888 int i; 889 890 assert(kd); 891 assert(shm); 892 assert(fst); 893 bzero(shm, sizeof(*shm)); 894 shmfdp = fst->fs_typedep; 895 if (shmfdp == NULL) 896 goto fail; 897 if (!kvm_read_all(kd, (unsigned long)shmfdp, &shmfd, 898 sizeof(struct shmfd))) { 899 warnx("can't read shmfd at %p", (void *)shmfdp); 900 goto fail; 901 } 902 shm->mode = S_IFREG | shmfd.shm_mode; 903 shm->size = shmfd.shm_size; 904 if (fst->fs_path == NULL && shmfd.shm_path != NULL) { 905 path = malloc(MAXPATHLEN); 906 for (i = 0; i < MAXPATHLEN - 1; i++) { 907 if (!kvm_read_all(kd, (unsigned long)shmfd.shm_path + i, 908 path + i, 1)) 909 break; 910 if (path[i] == '\0') 911 break; 912 } 913 path[i] = '\0'; 914 if (i == 0) 915 free(path); 916 else 917 fst->fs_path = path; 918 } 919 return (0); 920 921fail: 922 snprintf(errbuf, _POSIX2_LINE_MAX, "error"); 923 return (1); 924} 925 926static int 927procstat_get_shm_info_sysctl(struct filestat *fst, struct shmstat *shm, 928 char *errbuf __unused) 929{ 930 struct kinfo_file *kif; 931 932 assert(shm); 933 assert(fst); 934 bzero(shm, sizeof(*shm)); 935 kif = fst->fs_typedep; 936 if (kif == NULL) 937 return (0); 938 shm->size = kif->kf_un.kf_file.kf_file_size; 939 shm->mode = kif->kf_un.kf_file.kf_file_mode; 940 return (0); 941} 942 943int 944procstat_get_vnode_info(struct procstat *procstat, struct filestat *fst, 945 struct vnstat *vn, char *errbuf) 946{ 947 948 assert(vn); 949 if (procstat->type == PROCSTAT_KVM) { 950 return (procstat_get_vnode_info_kvm(procstat->kd, fst, vn, 951 errbuf)); 952 } else if (procstat->type == PROCSTAT_SYSCTL) { 953 return (procstat_get_vnode_info_sysctl(fst, vn, errbuf)); 954 } else { 955 warnx("unknown access method: %d", procstat->type); 956 snprintf(errbuf, _POSIX2_LINE_MAX, "error"); 957 return (1); 958 } 959} 960 961static int 962procstat_get_vnode_info_kvm(kvm_t *kd, struct filestat *fst, 963 struct vnstat *vn, char *errbuf) 964{ 965 /* Filesystem specific handlers. */ 966 #define FSTYPE(fst) {#fst, fst##_filestat} 967 struct { 968 const char *tag; 969 int (*handler)(kvm_t *kd, struct vnode *vp, 970 struct vnstat *vn); 971 } fstypes[] = { 972 FSTYPE(devfs), 973 FSTYPE(isofs), 974 FSTYPE(msdosfs), 975 FSTYPE(nfs), 976 FSTYPE(ntfs), 977#ifdef LIBPROCSTAT_NWFS 978 FSTYPE(nwfs), 979#endif 980 FSTYPE(smbfs), 981 FSTYPE(udf), 982 FSTYPE(ufs), 983#ifdef LIBPROCSTAT_ZFS 984 FSTYPE(zfs), 985#endif 986 }; 987#define NTYPES (sizeof(fstypes) / sizeof(*fstypes)) 988 struct vnode vnode; 989 char tagstr[12]; 990 void *vp; 991 int error, found; 992 unsigned int i; 993 994 assert(kd); 995 assert(vn); 996 assert(fst); 997 vp = fst->fs_typedep; 998 if (vp == NULL) 999 goto fail; 1000 error = kvm_read_all(kd, (unsigned long)vp, &vnode, sizeof(vnode)); 1001 if (error == 0) { 1002 warnx("can't read vnode at %p", (void *)vp); 1003 goto fail; 1004 } 1005 bzero(vn, sizeof(*vn)); 1006 vn->vn_type = vntype2psfsttype(vnode.v_type); 1007 if (vnode.v_type == VNON || vnode.v_type == VBAD) 1008 return (0); 1009 error = kvm_read_all(kd, (unsigned long)vnode.v_tag, tagstr, 1010 sizeof(tagstr)); 1011 if (error == 0) { 1012 warnx("can't read v_tag at %p", (void *)vp); 1013 goto fail; 1014 } 1015 tagstr[sizeof(tagstr) - 1] = '\0'; 1016 1017 /* 1018 * Find appropriate handler. 1019 */ 1020 for (i = 0, found = 0; i < NTYPES; i++) 1021 if (!strcmp(fstypes[i].tag, tagstr)) { 1022 if (fstypes[i].handler(kd, &vnode, vn) != 0) { 1023 goto fail; 1024 } 1025 break; 1026 } 1027 if (i == NTYPES) { 1028 snprintf(errbuf, _POSIX2_LINE_MAX, "?(%s)", tagstr); 1029 return (1); 1030 } 1031 vn->vn_mntdir = getmnton(kd, vnode.v_mount); 1032 if ((vnode.v_type == VBLK || vnode.v_type == VCHR) && 1033 vnode.v_rdev != NULL){ 1034 vn->vn_dev = dev2udev(kd, vnode.v_rdev); 1035 (void)kdevtoname(kd, vnode.v_rdev, vn->vn_devname); 1036 } else { 1037 vn->vn_dev = -1; 1038 } 1039 return (0); 1040 1041fail: 1042 snprintf(errbuf, _POSIX2_LINE_MAX, "error"); 1043 return (1); 1044} 1045 1046/* 1047 * kinfo vnode type to filestat translation. 1048 */ 1049static int 1050kinfo_vtype2fst(int kfvtype) 1051{ 1052 static struct { 1053 int kf_vtype; 1054 int fst_vtype; 1055 } kfvtypes2fst[] = { 1056 { KF_VTYPE_VBAD, PS_FST_VTYPE_VBAD }, 1057 { KF_VTYPE_VBLK, PS_FST_VTYPE_VBLK }, 1058 { KF_VTYPE_VCHR, PS_FST_VTYPE_VCHR }, 1059 { KF_VTYPE_VDIR, PS_FST_VTYPE_VDIR }, 1060 { KF_VTYPE_VFIFO, PS_FST_VTYPE_VFIFO }, 1061 { KF_VTYPE_VLNK, PS_FST_VTYPE_VLNK }, 1062 { KF_VTYPE_VNON, PS_FST_VTYPE_VNON }, 1063 { KF_VTYPE_VREG, PS_FST_VTYPE_VREG }, 1064 { KF_VTYPE_VSOCK, PS_FST_VTYPE_VSOCK } 1065 }; 1066#define NKFVTYPES (sizeof(kfvtypes2fst) / sizeof(*kfvtypes2fst)) 1067 unsigned int i; 1068 1069 for (i = 0; i < NKFVTYPES; i++) 1070 if (kfvtypes2fst[i].kf_vtype == kfvtype) 1071 break; 1072 if (i == NKFVTYPES) 1073 return (PS_FST_VTYPE_UNKNOWN); 1074 return (kfvtypes2fst[i].fst_vtype); 1075} 1076 1077static int 1078procstat_get_vnode_info_sysctl(struct filestat *fst, struct vnstat *vn, 1079 char *errbuf) 1080{ 1081 struct statfs stbuf; 1082 struct kinfo_file *kif; 1083 struct kinfo_vmentry *kve; 1084 uint64_t fileid; 1085 uint64_t size; 1086 char *name, *path; 1087 uint32_t fsid; 1088 uint16_t mode; 1089 uint32_t rdev; 1090 int vntype; 1091 int status; 1092 1093 assert(fst); 1094 assert(vn); 1095 bzero(vn, sizeof(*vn)); 1096 if (fst->fs_typedep == NULL) 1097 return (1); 1098 if (fst->fs_uflags & PS_FST_UFLAG_MMAP) { 1099 kve = fst->fs_typedep; 1100 fileid = kve->kve_vn_fileid; 1101 fsid = kve->kve_vn_fsid; 1102 mode = kve->kve_vn_mode; 1103 path = kve->kve_path; 1104 rdev = kve->kve_vn_rdev; 1105 size = kve->kve_vn_size; 1106 vntype = kinfo_vtype2fst(kve->kve_vn_type); 1107 status = kve->kve_status; 1108 } else { 1109 kif = fst->fs_typedep; 1110 fileid = kif->kf_un.kf_file.kf_file_fileid; 1111 fsid = kif->kf_un.kf_file.kf_file_fsid; 1112 mode = kif->kf_un.kf_file.kf_file_mode; 1113 path = kif->kf_path; 1114 rdev = kif->kf_un.kf_file.kf_file_rdev; 1115 size = kif->kf_un.kf_file.kf_file_size; 1116 vntype = kinfo_vtype2fst(kif->kf_vnode_type); 1117 status = kif->kf_status; 1118 } 1119 vn->vn_type = vntype; 1120 if (vntype == PS_FST_VTYPE_VNON || vntype == PS_FST_VTYPE_VBAD) 1121 return (0); 1122 if ((status & KF_ATTR_VALID) == 0) { 1123 snprintf(errbuf, _POSIX2_LINE_MAX, "? (no info available)"); 1124 return (1); 1125 } 1126 if (path && *path) { 1127 statfs(path, &stbuf); 1128 vn->vn_mntdir = strdup(stbuf.f_mntonname); 1129 } else 1130 vn->vn_mntdir = strdup("-"); 1131 vn->vn_dev = rdev; 1132 if (vntype == PS_FST_VTYPE_VBLK) { 1133 name = devname(rdev, S_IFBLK); 1134 if (name != NULL) 1135 strlcpy(vn->vn_devname, name, 1136 sizeof(vn->vn_devname)); 1137 } else if (vntype == PS_FST_VTYPE_VCHR) { 1138 name = devname(vn->vn_dev, S_IFCHR); 1139 if (name != NULL) 1140 strlcpy(vn->vn_devname, name, 1141 sizeof(vn->vn_devname)); 1142 } 1143 vn->vn_fsid = fsid; 1144 vn->vn_fileid = fileid; 1145 vn->vn_size = size; 1146 vn->vn_mode = mode; 1147 return (0); 1148} 1149 1150int 1151procstat_get_socket_info(struct procstat *procstat, struct filestat *fst, 1152 struct sockstat *sock, char *errbuf) 1153{ 1154 1155 assert(sock); 1156 if (procstat->type == PROCSTAT_KVM) { 1157 return (procstat_get_socket_info_kvm(procstat->kd, fst, sock, 1158 errbuf)); 1159 } else if (procstat->type == PROCSTAT_SYSCTL) { 1160 return (procstat_get_socket_info_sysctl(fst, sock, errbuf)); 1161 } else { 1162 warnx("unknown access method: %d", procstat->type); 1163 snprintf(errbuf, _POSIX2_LINE_MAX, "error"); 1164 return (1); 1165 } 1166} 1167 1168static int 1169procstat_get_socket_info_kvm(kvm_t *kd, struct filestat *fst, 1170 struct sockstat *sock, char *errbuf) 1171{ 1172 struct domain dom; 1173 struct inpcb inpcb; 1174 struct protosw proto; 1175 struct socket s; 1176 struct unpcb unpcb; 1177 ssize_t len; 1178 void *so; 1179 1180 assert(kd); 1181 assert(sock); 1182 assert(fst); 1183 bzero(sock, sizeof(*sock)); 1184 so = fst->fs_typedep; 1185 if (so == NULL) 1186 goto fail; 1187 sock->so_addr = (uintptr_t)so; 1188 /* fill in socket */ 1189 if (!kvm_read_all(kd, (unsigned long)so, &s, 1190 sizeof(struct socket))) { 1191 warnx("can't read sock at %p", (void *)so); 1192 goto fail; 1193 } 1194 /* fill in protosw entry */ 1195 if (!kvm_read_all(kd, (unsigned long)s.so_proto, &proto, 1196 sizeof(struct protosw))) { 1197 warnx("can't read protosw at %p", (void *)s.so_proto); 1198 goto fail; 1199 } 1200 /* fill in domain */ 1201 if (!kvm_read_all(kd, (unsigned long)proto.pr_domain, &dom, 1202 sizeof(struct domain))) { 1203 warnx("can't read domain at %p", 1204 (void *)proto.pr_domain); 1205 goto fail; 1206 } 1207 if ((len = kvm_read(kd, (unsigned long)dom.dom_name, sock->dname, 1208 sizeof(sock->dname) - 1)) < 0) { 1209 warnx("can't read domain name at %p", (void *)dom.dom_name); 1210 sock->dname[0] = '\0'; 1211 } 1212 else 1213 sock->dname[len] = '\0'; 1214 1215 /* 1216 * Fill in known data. 1217 */ 1218 sock->type = s.so_type; 1219 sock->proto = proto.pr_protocol; 1220 sock->dom_family = dom.dom_family; 1221 sock->so_pcb = (uintptr_t)s.so_pcb; 1222 1223 /* 1224 * Protocol specific data. 1225 */ 1226 switch(dom.dom_family) { 1227 case AF_INET: 1228 case AF_INET6: 1229 if (proto.pr_protocol == IPPROTO_TCP) { 1230 if (s.so_pcb) { 1231 if (kvm_read(kd, (u_long)s.so_pcb, 1232 (char *)&inpcb, sizeof(struct inpcb)) 1233 != sizeof(struct inpcb)) { 1234 warnx("can't read inpcb at %p", 1235 (void *)s.so_pcb); 1236 } else 1237 sock->inp_ppcb = 1238 (uintptr_t)inpcb.inp_ppcb; 1239 } 1240 } 1241 break; 1242 case AF_UNIX: 1243 if (s.so_pcb) { 1244 if (kvm_read(kd, (u_long)s.so_pcb, (char *)&unpcb, 1245 sizeof(struct unpcb)) != sizeof(struct unpcb)){ 1246 warnx("can't read unpcb at %p", 1247 (void *)s.so_pcb); 1248 } else if (unpcb.unp_conn) { 1249 sock->so_rcv_sb_state = s.so_rcv.sb_state; 1250 sock->so_snd_sb_state = s.so_snd.sb_state; 1251 sock->unp_conn = (uintptr_t)unpcb.unp_conn; 1252 } 1253 } 1254 break; 1255 default: 1256 break; 1257 } 1258 return (0); 1259 1260fail: 1261 snprintf(errbuf, _POSIX2_LINE_MAX, "error"); 1262 return (1); 1263} 1264 1265static int 1266procstat_get_socket_info_sysctl(struct filestat *fst, struct sockstat *sock, 1267 char *errbuf __unused) 1268{ 1269 struct kinfo_file *kif; 1270 1271 assert(sock); 1272 assert(fst); 1273 bzero(sock, sizeof(*sock)); 1274 kif = fst->fs_typedep; 1275 if (kif == NULL) 1276 return (0); 1277 1278 /* 1279 * Fill in known data. 1280 */ 1281 sock->type = kif->kf_sock_type; 1282 sock->proto = kif->kf_sock_protocol; 1283 sock->dom_family = kif->kf_sock_domain; 1284 sock->so_pcb = kif->kf_un.kf_sock.kf_sock_pcb; 1285 strlcpy(sock->dname, kif->kf_path, sizeof(sock->dname)); 1286 bcopy(&kif->kf_sa_local, &sock->sa_local, kif->kf_sa_local.ss_len); 1287 bcopy(&kif->kf_sa_peer, &sock->sa_peer, kif->kf_sa_peer.ss_len); 1288 1289 /* 1290 * Protocol specific data. 1291 */ 1292 switch(sock->dom_family) { 1293 case AF_INET: 1294 case AF_INET6: 1295 if (sock->proto == IPPROTO_TCP) 1296 sock->inp_ppcb = kif->kf_un.kf_sock.kf_sock_inpcb; 1297 break; 1298 case AF_UNIX: 1299 if (kif->kf_un.kf_sock.kf_sock_unpconn != 0) { 1300 sock->so_rcv_sb_state = 1301 kif->kf_un.kf_sock.kf_sock_rcv_sb_state; 1302 sock->so_snd_sb_state = 1303 kif->kf_un.kf_sock.kf_sock_snd_sb_state; 1304 sock->unp_conn = 1305 kif->kf_un.kf_sock.kf_sock_unpconn; 1306 } 1307 break; 1308 default: 1309 break; 1310 } 1311 return (0); 1312} 1313 1314/* 1315 * Descriptor flags to filestat translation. 1316 */ 1317static int 1318to_filestat_flags(int flags) 1319{ 1320 static struct { 1321 int flag; 1322 int fst_flag; 1323 } fstflags[] = { 1324 { FREAD, PS_FST_FFLAG_READ }, 1325 { FWRITE, PS_FST_FFLAG_WRITE }, 1326 { O_APPEND, PS_FST_FFLAG_APPEND }, 1327 { O_ASYNC, PS_FST_FFLAG_ASYNC }, 1328 { O_CREAT, PS_FST_FFLAG_CREAT }, 1329 { O_DIRECT, PS_FST_FFLAG_DIRECT }, 1330 { O_EXCL, PS_FST_FFLAG_EXCL }, 1331 { O_EXEC, PS_FST_FFLAG_EXEC }, 1332 { O_EXLOCK, PS_FST_FFLAG_EXLOCK }, 1333 { O_NOFOLLOW, PS_FST_FFLAG_NOFOLLOW }, 1334 { O_NONBLOCK, PS_FST_FFLAG_NONBLOCK }, 1335 { O_SHLOCK, PS_FST_FFLAG_SHLOCK }, 1336 { O_SYNC, PS_FST_FFLAG_SYNC }, 1337 { O_TRUNC, PS_FST_FFLAG_TRUNC } 1338 }; 1339#define NFSTFLAGS (sizeof(fstflags) / sizeof(*fstflags)) 1340 int fst_flags; 1341 unsigned int i; 1342 1343 fst_flags = 0; 1344 for (i = 0; i < NFSTFLAGS; i++) 1345 if (flags & fstflags[i].flag) 1346 fst_flags |= fstflags[i].fst_flag; 1347 return (fst_flags); 1348} 1349 1350/* 1351 * Vnode type to filestate translation. 1352 */ 1353static int 1354vntype2psfsttype(int type) 1355{ 1356 static struct { 1357 int vtype; 1358 int fst_vtype; 1359 } vt2fst[] = { 1360 { VBAD, PS_FST_VTYPE_VBAD }, 1361 { VBLK, PS_FST_VTYPE_VBLK }, 1362 { VCHR, PS_FST_VTYPE_VCHR }, 1363 { VDIR, PS_FST_VTYPE_VDIR }, 1364 { VFIFO, PS_FST_VTYPE_VFIFO }, 1365 { VLNK, PS_FST_VTYPE_VLNK }, 1366 { VNON, PS_FST_VTYPE_VNON }, 1367 { VREG, PS_FST_VTYPE_VREG }, 1368 { VSOCK, PS_FST_VTYPE_VSOCK } 1369 }; 1370#define NVFTYPES (sizeof(vt2fst) / sizeof(*vt2fst)) 1371 unsigned int i, fst_type; 1372 1373 fst_type = PS_FST_VTYPE_UNKNOWN; 1374 for (i = 0; i < NVFTYPES; i++) { 1375 if (type == vt2fst[i].vtype) { 1376 fst_type = vt2fst[i].fst_vtype; 1377 break; 1378 } 1379 } 1380 return (fst_type); 1381} 1382 1383static char * 1384getmnton(kvm_t *kd, struct mount *m) 1385{ 1386 struct mount mnt; 1387 static struct mtab { 1388 struct mtab *next; 1389 struct mount *m; 1390 char mntonname[MNAMELEN + 1]; 1391 } *mhead = NULL; 1392 struct mtab *mt; 1393 1394 for (mt = mhead; mt != NULL; mt = mt->next) 1395 if (m == mt->m) 1396 return (mt->mntonname); 1397 if (!kvm_read_all(kd, (unsigned long)m, &mnt, sizeof(struct mount))) { 1398 warnx("can't read mount table at %p", (void *)m); 1399 return (NULL); 1400 } 1401 if ((mt = malloc(sizeof (struct mtab))) == NULL) 1402 err(1, NULL); 1403 mt->m = m; 1404 bcopy(&mnt.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN); 1405 mt->mntonname[MNAMELEN] = '\0'; 1406 mt->next = mhead; 1407 mhead = mt; 1408 return (mt->mntonname); 1409} 1410