libprocstat.c revision 233760
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 233760 2012-04-01 18:22:48Z jhb $"); 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 error; 188 189 assert(procstat); 190 assert(count); 191 p = NULL; 192 if (procstat->type == PROCSTAT_KVM) { 193 p0 = kvm_getprocs(procstat->kd, what, arg, count); 194 if (p0 == NULL || count == 0) 195 return (NULL); 196 len = *count * sizeof(*p); 197 p = malloc(len); 198 if (p == NULL) { 199 warnx("malloc(%zu)", len); 200 goto fail; 201 } 202 bcopy(p0, p, len); 203 return (p); 204 } else if (procstat->type == PROCSTAT_SYSCTL) { 205 len = 0; 206 name[0] = CTL_KERN; 207 name[1] = KERN_PROC; 208 name[2] = what; 209 name[3] = arg; 210 error = sysctl(name, 4, NULL, &len, NULL, 0); 211 if (error < 0 && errno != EPERM) { 212 warn("sysctl(kern.proc)"); 213 goto fail; 214 } 215 if (len == 0) { 216 warnx("no processes?"); 217 goto fail; 218 } 219 p = malloc(len); 220 if (p == NULL) { 221 warnx("malloc(%zu)", len); 222 goto fail; 223 } 224 error = sysctl(name, 4, p, &len, NULL, 0); 225 if (error < 0 && errno != EPERM) { 226 warn("sysctl(kern.proc)"); 227 goto fail; 228 } 229 /* Perform simple consistency checks. */ 230 if ((len % sizeof(*p)) != 0 || p->ki_structsize != sizeof(*p)) { 231 warnx("kinfo_proc structure size mismatch"); 232 goto fail; 233 } 234 *count = len / sizeof(*p); 235 return (p); 236 } else { 237 warnx("unknown access method: %d", procstat->type); 238 return (NULL); 239 } 240fail: 241 if (p) 242 free(p); 243 return (NULL); 244} 245 246void 247procstat_freeprocs(struct procstat *procstat __unused, struct kinfo_proc *p) 248{ 249 250 if (p != NULL) 251 free(p); 252 p = NULL; 253} 254 255struct filestat_list * 256procstat_getfiles(struct procstat *procstat, struct kinfo_proc *kp, int mmapped) 257{ 258 259 if (procstat->type == PROCSTAT_SYSCTL) 260 return (procstat_getfiles_sysctl(procstat, kp, mmapped)); 261 else if (procstat->type == PROCSTAT_KVM) 262 return (procstat_getfiles_kvm(procstat, kp, mmapped)); 263 else 264 return (NULL); 265} 266 267void 268procstat_freefiles(struct procstat *procstat, struct filestat_list *head) 269{ 270 struct filestat *fst, *tmp; 271 272 STAILQ_FOREACH_SAFE(fst, head, next, tmp) { 273 if (fst->fs_path != NULL) 274 free(fst->fs_path); 275 free(fst); 276 } 277 free(head); 278 if (procstat->vmentries != NULL) { 279 free(procstat->vmentries); 280 procstat->vmentries = NULL; 281 } 282 if (procstat->files != NULL) { 283 free(procstat->files); 284 procstat->files = NULL; 285 } 286} 287 288static struct filestat * 289filestat_new_entry(void *typedep, int type, int fd, int fflags, int uflags, 290 int refcount, off_t offset, char *path, cap_rights_t cap_rights) 291{ 292 struct filestat *entry; 293 294 entry = calloc(1, sizeof(*entry)); 295 if (entry == NULL) { 296 warn("malloc()"); 297 return (NULL); 298 } 299 entry->fs_typedep = typedep; 300 entry->fs_fflags = fflags; 301 entry->fs_uflags = uflags; 302 entry->fs_fd = fd; 303 entry->fs_type = type; 304 entry->fs_ref_count = refcount; 305 entry->fs_offset = offset; 306 entry->fs_path = path; 307 entry->fs_cap_rights = cap_rights; 308 return (entry); 309} 310 311static struct vnode * 312getctty(kvm_t *kd, struct kinfo_proc *kp) 313{ 314 struct pgrp pgrp; 315 struct proc proc; 316 struct session sess; 317 int error; 318 319 assert(kp); 320 error = kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc, 321 sizeof(proc)); 322 if (error == 0) { 323 warnx("can't read proc struct at %p for pid %d", 324 kp->ki_paddr, kp->ki_pid); 325 return (NULL); 326 } 327 if (proc.p_pgrp == NULL) 328 return (NULL); 329 error = kvm_read_all(kd, (unsigned long)proc.p_pgrp, &pgrp, 330 sizeof(pgrp)); 331 if (error == 0) { 332 warnx("can't read pgrp struct at %p for pid %d", 333 proc.p_pgrp, kp->ki_pid); 334 return (NULL); 335 } 336 error = kvm_read_all(kd, (unsigned long)pgrp.pg_session, &sess, 337 sizeof(sess)); 338 if (error == 0) { 339 warnx("can't read session struct at %p for pid %d", 340 pgrp.pg_session, kp->ki_pid); 341 return (NULL); 342 } 343 return (sess.s_ttyvp); 344} 345 346static struct filestat_list * 347procstat_getfiles_kvm(struct procstat *procstat, struct kinfo_proc *kp, int mmapped) 348{ 349 struct file file; 350 struct filedesc filed; 351 struct vm_map_entry vmentry; 352 struct vm_object object; 353 struct vmspace vmspace; 354 vm_map_entry_t entryp; 355 vm_map_t map; 356 vm_object_t objp; 357 struct vnode *vp; 358 struct file **ofiles; 359 struct filestat *entry; 360 struct filestat_list *head; 361 kvm_t *kd; 362 void *data; 363 int i, fflags; 364 int prot, type; 365 unsigned int nfiles; 366 367 assert(procstat); 368 kd = procstat->kd; 369 if (kd == NULL) 370 return (NULL); 371 if (kp->ki_fd == NULL) 372 return (NULL); 373 if (!kvm_read_all(kd, (unsigned long)kp->ki_fd, &filed, 374 sizeof(filed))) { 375 warnx("can't read filedesc at %p", (void *)kp->ki_fd); 376 return (NULL); 377 } 378 379 /* 380 * Allocate list head. 381 */ 382 head = malloc(sizeof(*head)); 383 if (head == NULL) 384 return (NULL); 385 STAILQ_INIT(head); 386 387 /* root directory vnode, if one. */ 388 if (filed.fd_rdir) { 389 entry = filestat_new_entry(filed.fd_rdir, PS_FST_TYPE_VNODE, -1, 390 PS_FST_FFLAG_READ, PS_FST_UFLAG_RDIR, 0, 0, NULL, 0); 391 if (entry != NULL) 392 STAILQ_INSERT_TAIL(head, entry, next); 393 } 394 /* current working directory vnode. */ 395 if (filed.fd_cdir) { 396 entry = filestat_new_entry(filed.fd_cdir, PS_FST_TYPE_VNODE, -1, 397 PS_FST_FFLAG_READ, PS_FST_UFLAG_CDIR, 0, 0, NULL, 0); 398 if (entry != NULL) 399 STAILQ_INSERT_TAIL(head, entry, next); 400 } 401 /* jail root, if any. */ 402 if (filed.fd_jdir) { 403 entry = filestat_new_entry(filed.fd_jdir, PS_FST_TYPE_VNODE, -1, 404 PS_FST_FFLAG_READ, PS_FST_UFLAG_JAIL, 0, 0, NULL, 0); 405 if (entry != NULL) 406 STAILQ_INSERT_TAIL(head, entry, next); 407 } 408 /* ktrace vnode, if one */ 409 if (kp->ki_tracep) { 410 entry = filestat_new_entry(kp->ki_tracep, PS_FST_TYPE_VNODE, -1, 411 PS_FST_FFLAG_READ | PS_FST_FFLAG_WRITE, 412 PS_FST_UFLAG_TRACE, 0, 0, NULL, 0); 413 if (entry != NULL) 414 STAILQ_INSERT_TAIL(head, entry, next); 415 } 416 /* text vnode, if one */ 417 if (kp->ki_textvp) { 418 entry = filestat_new_entry(kp->ki_textvp, PS_FST_TYPE_VNODE, -1, 419 PS_FST_FFLAG_READ, PS_FST_UFLAG_TEXT, 0, 0, NULL, 0); 420 if (entry != NULL) 421 STAILQ_INSERT_TAIL(head, entry, next); 422 } 423 /* Controlling terminal. */ 424 if ((vp = getctty(kd, kp)) != NULL) { 425 entry = filestat_new_entry(vp, PS_FST_TYPE_VNODE, -1, 426 PS_FST_FFLAG_READ | PS_FST_FFLAG_WRITE, 427 PS_FST_UFLAG_CTTY, 0, 0, NULL, 0); 428 if (entry != NULL) 429 STAILQ_INSERT_TAIL(head, entry, next); 430 } 431 432 nfiles = filed.fd_lastfile + 1; 433 ofiles = malloc(nfiles * sizeof(struct file *)); 434 if (ofiles == NULL) { 435 warn("malloc(%zu)", nfiles * sizeof(struct file *)); 436 goto do_mmapped; 437 } 438 if (!kvm_read_all(kd, (unsigned long)filed.fd_ofiles, ofiles, 439 nfiles * sizeof(struct file *))) { 440 warnx("cannot read file structures at %p", 441 (void *)filed.fd_ofiles); 442 free(ofiles); 443 goto do_mmapped; 444 } 445 for (i = 0; i <= filed.fd_lastfile; i++) { 446 if (ofiles[i] == NULL) 447 continue; 448 if (!kvm_read_all(kd, (unsigned long)ofiles[i], &file, 449 sizeof(struct file))) { 450 warnx("can't read file %d at %p", i, 451 (void *)ofiles[i]); 452 continue; 453 } 454 switch (file.f_type) { 455 case DTYPE_VNODE: 456 type = PS_FST_TYPE_VNODE; 457 data = file.f_vnode; 458 break; 459 case DTYPE_SOCKET: 460 type = PS_FST_TYPE_SOCKET; 461 data = file.f_data; 462 break; 463 case DTYPE_PIPE: 464 type = PS_FST_TYPE_PIPE; 465 data = file.f_data; 466 break; 467 case DTYPE_FIFO: 468 type = PS_FST_TYPE_FIFO; 469 data = file.f_vnode; 470 break; 471#ifdef DTYPE_PTS 472 case DTYPE_PTS: 473 type = PS_FST_TYPE_PTS; 474 data = file.f_data; 475 break; 476#endif 477 case DTYPE_SHM: 478 type = PS_FST_TYPE_SHM; 479 data = file.f_data; 480 break; 481 default: 482 continue; 483 } 484 /* XXXRW: No capability rights support for kvm yet. */ 485 entry = filestat_new_entry(data, type, i, 486 to_filestat_flags(file.f_flag), 0, 0, 0, NULL, 0); 487 if (entry != NULL) 488 STAILQ_INSERT_TAIL(head, entry, next); 489 } 490 free(ofiles); 491 492do_mmapped: 493 494 /* 495 * Process mmapped files if requested. 496 */ 497 if (mmapped) { 498 if (!kvm_read_all(kd, (unsigned long)kp->ki_vmspace, &vmspace, 499 sizeof(vmspace))) { 500 warnx("can't read vmspace at %p", 501 (void *)kp->ki_vmspace); 502 goto exit; 503 } 504 map = &vmspace.vm_map; 505 506 for (entryp = map->header.next; 507 entryp != &kp->ki_vmspace->vm_map.header; 508 entryp = vmentry.next) { 509 if (!kvm_read_all(kd, (unsigned long)entryp, &vmentry, 510 sizeof(vmentry))) { 511 warnx("can't read vm_map_entry at %p", 512 (void *)entryp); 513 continue; 514 } 515 if (vmentry.eflags & MAP_ENTRY_IS_SUB_MAP) 516 continue; 517 if ((objp = vmentry.object.vm_object) == NULL) 518 continue; 519 for (; objp; objp = object.backing_object) { 520 if (!kvm_read_all(kd, (unsigned long)objp, 521 &object, sizeof(object))) { 522 warnx("can't read vm_object at %p", 523 (void *)objp); 524 break; 525 } 526 } 527 528 /* We want only vnode objects. */ 529 if (object.type != OBJT_VNODE) 530 continue; 531 532 prot = vmentry.protection; 533 fflags = 0; 534 if (prot & VM_PROT_READ) 535 fflags = PS_FST_FFLAG_READ; 536 if ((vmentry.eflags & MAP_ENTRY_COW) == 0 && 537 prot & VM_PROT_WRITE) 538 fflags |= PS_FST_FFLAG_WRITE; 539 540 /* 541 * Create filestat entry. 542 */ 543 entry = filestat_new_entry(object.handle, 544 PS_FST_TYPE_VNODE, -1, fflags, 545 PS_FST_UFLAG_MMAP, 0, 0, NULL, 0); 546 if (entry != NULL) 547 STAILQ_INSERT_TAIL(head, entry, next); 548 } 549 } 550exit: 551 return (head); 552} 553 554/* 555 * kinfo types to filestat translation. 556 */ 557static int 558kinfo_type2fst(int kftype) 559{ 560 static struct { 561 int kf_type; 562 int fst_type; 563 } kftypes2fst[] = { 564 { KF_TYPE_CRYPTO, PS_FST_TYPE_CRYPTO }, 565 { KF_TYPE_FIFO, PS_FST_TYPE_FIFO }, 566 { KF_TYPE_KQUEUE, PS_FST_TYPE_KQUEUE }, 567 { KF_TYPE_MQUEUE, PS_FST_TYPE_MQUEUE }, 568 { KF_TYPE_NONE, PS_FST_TYPE_NONE }, 569 { KF_TYPE_PIPE, PS_FST_TYPE_PIPE }, 570 { KF_TYPE_PTS, PS_FST_TYPE_PTS }, 571 { KF_TYPE_SEM, PS_FST_TYPE_SEM }, 572 { KF_TYPE_SHM, PS_FST_TYPE_SHM }, 573 { KF_TYPE_SOCKET, PS_FST_TYPE_SOCKET }, 574 { KF_TYPE_VNODE, PS_FST_TYPE_VNODE }, 575 { KF_TYPE_UNKNOWN, PS_FST_TYPE_UNKNOWN } 576 }; 577#define NKFTYPES (sizeof(kftypes2fst) / sizeof(*kftypes2fst)) 578 unsigned int i; 579 580 for (i = 0; i < NKFTYPES; i++) 581 if (kftypes2fst[i].kf_type == kftype) 582 break; 583 if (i == NKFTYPES) 584 return (PS_FST_TYPE_UNKNOWN); 585 return (kftypes2fst[i].fst_type); 586} 587 588/* 589 * kinfo flags to filestat translation. 590 */ 591static int 592kinfo_fflags2fst(int kfflags) 593{ 594 static struct { 595 int kf_flag; 596 int fst_flag; 597 } kfflags2fst[] = { 598 { KF_FLAG_APPEND, PS_FST_FFLAG_APPEND }, 599 { KF_FLAG_ASYNC, PS_FST_FFLAG_ASYNC }, 600 { KF_FLAG_CAPABILITY, PS_FST_FFLAG_CAPABILITY }, 601 { KF_FLAG_CREAT, PS_FST_FFLAG_CREAT }, 602 { KF_FLAG_DIRECT, PS_FST_FFLAG_DIRECT }, 603 { KF_FLAG_EXCL, PS_FST_FFLAG_EXCL }, 604 { KF_FLAG_EXEC, PS_FST_FFLAG_EXEC }, 605 { KF_FLAG_EXLOCK, PS_FST_FFLAG_EXLOCK }, 606 { KF_FLAG_FSYNC, PS_FST_FFLAG_SYNC }, 607 { KF_FLAG_HASLOCK, PS_FST_FFLAG_HASLOCK }, 608 { KF_FLAG_NOFOLLOW, PS_FST_FFLAG_NOFOLLOW }, 609 { KF_FLAG_NONBLOCK, PS_FST_FFLAG_NONBLOCK }, 610 { KF_FLAG_READ, PS_FST_FFLAG_READ }, 611 { KF_FLAG_SHLOCK, PS_FST_FFLAG_SHLOCK }, 612 { KF_FLAG_TRUNC, PS_FST_FFLAG_TRUNC }, 613 { KF_FLAG_WRITE, PS_FST_FFLAG_WRITE } 614 }; 615#define NKFFLAGS (sizeof(kfflags2fst) / sizeof(*kfflags2fst)) 616 unsigned int i; 617 int flags; 618 619 flags = 0; 620 for (i = 0; i < NKFFLAGS; i++) 621 if ((kfflags & kfflags2fst[i].kf_flag) != 0) 622 flags |= kfflags2fst[i].fst_flag; 623 return (flags); 624} 625 626static int 627kinfo_uflags2fst(int fd) 628{ 629 630 switch (fd) { 631 case KF_FD_TYPE_CTTY: 632 return (PS_FST_UFLAG_CTTY); 633 case KF_FD_TYPE_CWD: 634 return (PS_FST_UFLAG_CDIR); 635 case KF_FD_TYPE_JAIL: 636 return (PS_FST_UFLAG_JAIL); 637 case KF_FD_TYPE_TEXT: 638 return (PS_FST_UFLAG_TEXT); 639 case KF_FD_TYPE_TRACE: 640 return (PS_FST_UFLAG_TRACE); 641 case KF_FD_TYPE_ROOT: 642 return (PS_FST_UFLAG_RDIR); 643 } 644 return (0); 645} 646 647static struct filestat_list * 648procstat_getfiles_sysctl(struct procstat *procstat, struct kinfo_proc *kp, int mmapped) 649{ 650 struct kinfo_file *kif, *files; 651 struct kinfo_vmentry *kve, *vmentries; 652 struct filestat_list *head; 653 struct filestat *entry; 654 char *path; 655 off_t offset; 656 int cnt, fd, fflags; 657 int i, type, uflags; 658 int refcount; 659 cap_rights_t cap_rights; 660 661 assert(kp); 662 if (kp->ki_fd == NULL) 663 return (NULL); 664 665 files = kinfo_getfile(kp->ki_pid, &cnt); 666 if (files == NULL && errno != EPERM) { 667 warn("kinfo_getfile()"); 668 return (NULL); 669 } 670 procstat->files = files; 671 672 /* 673 * Allocate list head. 674 */ 675 head = malloc(sizeof(*head)); 676 if (head == NULL) 677 return (NULL); 678 STAILQ_INIT(head); 679 for (i = 0; i < cnt; i++) { 680 kif = &files[i]; 681 682 type = kinfo_type2fst(kif->kf_type); 683 fd = kif->kf_fd >= 0 ? kif->kf_fd : -1; 684 fflags = kinfo_fflags2fst(kif->kf_flags); 685 uflags = kinfo_uflags2fst(kif->kf_fd); 686 refcount = kif->kf_ref_count; 687 offset = kif->kf_offset; 688 if (*kif->kf_path != '\0') 689 path = strdup(kif->kf_path); 690 else 691 path = NULL; 692 cap_rights = kif->kf_cap_rights; 693 694 /* 695 * Create filestat entry. 696 */ 697 entry = filestat_new_entry(kif, type, fd, fflags, uflags, 698 refcount, offset, path, cap_rights); 699 if (entry != NULL) 700 STAILQ_INSERT_TAIL(head, entry, next); 701 } 702 if (mmapped != 0) { 703 vmentries = kinfo_getvmmap(kp->ki_pid, &cnt); 704 procstat->vmentries = vmentries; 705 if (vmentries == NULL || cnt == 0) 706 goto fail; 707 for (i = 0; i < cnt; i++) { 708 kve = &vmentries[i]; 709 if (kve->kve_type != KVME_TYPE_VNODE) 710 continue; 711 fflags = 0; 712 if (kve->kve_protection & KVME_PROT_READ) 713 fflags = PS_FST_FFLAG_READ; 714 if ((kve->kve_flags & KVME_FLAG_COW) == 0 && 715 kve->kve_protection & KVME_PROT_WRITE) 716 fflags |= PS_FST_FFLAG_WRITE; 717 offset = kve->kve_offset; 718 refcount = kve->kve_ref_count; 719 if (*kve->kve_path != '\0') 720 path = strdup(kve->kve_path); 721 else 722 path = NULL; 723 entry = filestat_new_entry(kve, PS_FST_TYPE_VNODE, -1, 724 fflags, PS_FST_UFLAG_MMAP, refcount, offset, path, 725 0); 726 if (entry != NULL) 727 STAILQ_INSERT_TAIL(head, entry, next); 728 } 729 } 730fail: 731 return (head); 732} 733 734int 735procstat_get_pipe_info(struct procstat *procstat, struct filestat *fst, 736 struct pipestat *ps, char *errbuf) 737{ 738 739 assert(ps); 740 if (procstat->type == PROCSTAT_KVM) { 741 return (procstat_get_pipe_info_kvm(procstat->kd, fst, ps, 742 errbuf)); 743 } else if (procstat->type == PROCSTAT_SYSCTL) { 744 return (procstat_get_pipe_info_sysctl(fst, ps, errbuf)); 745 } else { 746 warnx("unknown access method: %d", procstat->type); 747 snprintf(errbuf, _POSIX2_LINE_MAX, "error"); 748 return (1); 749 } 750} 751 752static int 753procstat_get_pipe_info_kvm(kvm_t *kd, struct filestat *fst, 754 struct pipestat *ps, char *errbuf) 755{ 756 struct pipe pi; 757 void *pipep; 758 759 assert(kd); 760 assert(ps); 761 assert(fst); 762 bzero(ps, sizeof(*ps)); 763 pipep = fst->fs_typedep; 764 if (pipep == NULL) 765 goto fail; 766 if (!kvm_read_all(kd, (unsigned long)pipep, &pi, sizeof(struct pipe))) { 767 warnx("can't read pipe at %p", (void *)pipep); 768 goto fail; 769 } 770 ps->addr = (uintptr_t)pipep; 771 ps->peer = (uintptr_t)pi.pipe_peer; 772 ps->buffer_cnt = pi.pipe_buffer.cnt; 773 return (0); 774 775fail: 776 snprintf(errbuf, _POSIX2_LINE_MAX, "error"); 777 return (1); 778} 779 780static int 781procstat_get_pipe_info_sysctl(struct filestat *fst, struct pipestat *ps, 782 char *errbuf __unused) 783{ 784 struct kinfo_file *kif; 785 786 assert(ps); 787 assert(fst); 788 bzero(ps, sizeof(*ps)); 789 kif = fst->fs_typedep; 790 if (kif == NULL) 791 return (1); 792 ps->addr = kif->kf_un.kf_pipe.kf_pipe_addr; 793 ps->peer = kif->kf_un.kf_pipe.kf_pipe_peer; 794 ps->buffer_cnt = kif->kf_un.kf_pipe.kf_pipe_buffer_cnt; 795 return (0); 796} 797 798int 799procstat_get_pts_info(struct procstat *procstat, struct filestat *fst, 800 struct ptsstat *pts, char *errbuf) 801{ 802 803 assert(pts); 804 if (procstat->type == PROCSTAT_KVM) { 805 return (procstat_get_pts_info_kvm(procstat->kd, fst, pts, 806 errbuf)); 807 } else if (procstat->type == PROCSTAT_SYSCTL) { 808 return (procstat_get_pts_info_sysctl(fst, pts, errbuf)); 809 } else { 810 warnx("unknown access method: %d", procstat->type); 811 snprintf(errbuf, _POSIX2_LINE_MAX, "error"); 812 return (1); 813 } 814} 815 816static int 817procstat_get_pts_info_kvm(kvm_t *kd, struct filestat *fst, 818 struct ptsstat *pts, char *errbuf) 819{ 820 struct tty tty; 821 void *ttyp; 822 823 assert(kd); 824 assert(pts); 825 assert(fst); 826 bzero(pts, sizeof(*pts)); 827 ttyp = fst->fs_typedep; 828 if (ttyp == NULL) 829 goto fail; 830 if (!kvm_read_all(kd, (unsigned long)ttyp, &tty, sizeof(struct tty))) { 831 warnx("can't read tty at %p", (void *)ttyp); 832 goto fail; 833 } 834 pts->dev = dev2udev(kd, tty.t_dev); 835 (void)kdevtoname(kd, tty.t_dev, pts->devname); 836 return (0); 837 838fail: 839 snprintf(errbuf, _POSIX2_LINE_MAX, "error"); 840 return (1); 841} 842 843static int 844procstat_get_pts_info_sysctl(struct filestat *fst, struct ptsstat *pts, 845 char *errbuf __unused) 846{ 847 struct kinfo_file *kif; 848 849 assert(pts); 850 assert(fst); 851 bzero(pts, sizeof(*pts)); 852 kif = fst->fs_typedep; 853 if (kif == NULL) 854 return (0); 855 pts->dev = kif->kf_un.kf_pts.kf_pts_dev; 856 strlcpy(pts->devname, kif->kf_path, sizeof(pts->devname)); 857 return (0); 858} 859 860int 861procstat_get_shm_info(struct procstat *procstat, struct filestat *fst, 862 struct shmstat *shm, char *errbuf) 863{ 864 865 assert(shm); 866 if (procstat->type == PROCSTAT_KVM) { 867 return (procstat_get_shm_info_kvm(procstat->kd, fst, shm, 868 errbuf)); 869 } else if (procstat->type == PROCSTAT_SYSCTL) { 870 return (procstat_get_shm_info_sysctl(fst, shm, errbuf)); 871 } else { 872 warnx("unknown access method: %d", procstat->type); 873 snprintf(errbuf, _POSIX2_LINE_MAX, "error"); 874 return (1); 875 } 876} 877 878static int 879procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst, 880 struct shmstat *shm, char *errbuf) 881{ 882 struct shmfd shmfd; 883 void *shmfdp; 884 885 assert(kd); 886 assert(shm); 887 assert(fst); 888 bzero(shm, sizeof(*shm)); 889 shmfdp = fst->fs_typedep; 890 if (shmfdp == NULL) 891 goto fail; 892 if (!kvm_read_all(kd, (unsigned long)shmfdp, &shmfd, 893 sizeof(struct shmfd))) { 894 warnx("can't read shmfd at %p", (void *)shmfdp); 895 goto fail; 896 } 897 shm->mode = S_IFREG | shmfd.shm_mode; 898 shm->size = shmfd.shm_size; 899 return (0); 900 901fail: 902 snprintf(errbuf, _POSIX2_LINE_MAX, "error"); 903 return (1); 904} 905 906static int 907procstat_get_shm_info_sysctl(struct filestat *fst, struct shmstat *shm, 908 char *errbuf __unused) 909{ 910 struct kinfo_file *kif; 911 912 assert(shm); 913 assert(fst); 914 bzero(shm, sizeof(*shm)); 915 kif = fst->fs_typedep; 916 if (kif == NULL) 917 return (0); 918 shm->size = kif->kf_un.kf_file.kf_file_size; 919 shm->mode = kif->kf_un.kf_file.kf_file_mode; 920 return (0); 921} 922 923int 924procstat_get_vnode_info(struct procstat *procstat, struct filestat *fst, 925 struct vnstat *vn, char *errbuf) 926{ 927 928 assert(vn); 929 if (procstat->type == PROCSTAT_KVM) { 930 return (procstat_get_vnode_info_kvm(procstat->kd, fst, vn, 931 errbuf)); 932 } else if (procstat->type == PROCSTAT_SYSCTL) { 933 return (procstat_get_vnode_info_sysctl(fst, vn, errbuf)); 934 } else { 935 warnx("unknown access method: %d", procstat->type); 936 snprintf(errbuf, _POSIX2_LINE_MAX, "error"); 937 return (1); 938 } 939} 940 941static int 942procstat_get_vnode_info_kvm(kvm_t *kd, struct filestat *fst, 943 struct vnstat *vn, char *errbuf) 944{ 945 /* Filesystem specific handlers. */ 946 #define FSTYPE(fst) {#fst, fst##_filestat} 947 struct { 948 const char *tag; 949 int (*handler)(kvm_t *kd, struct vnode *vp, 950 struct vnstat *vn); 951 } fstypes[] = { 952 FSTYPE(devfs), 953 FSTYPE(isofs), 954 FSTYPE(msdosfs), 955 FSTYPE(nfs), 956 FSTYPE(ntfs), 957#ifdef LIBPROCSTAT_NWFS 958 FSTYPE(nwfs), 959#endif 960 FSTYPE(smbfs), 961 FSTYPE(udf), 962 FSTYPE(ufs), 963#ifdef LIBPROCSTAT_ZFS 964 FSTYPE(zfs), 965#endif 966 }; 967#define NTYPES (sizeof(fstypes) / sizeof(*fstypes)) 968 struct vnode vnode; 969 char tagstr[12]; 970 void *vp; 971 int error, found; 972 unsigned int i; 973 974 assert(kd); 975 assert(vn); 976 assert(fst); 977 vp = fst->fs_typedep; 978 if (vp == NULL) 979 goto fail; 980 error = kvm_read_all(kd, (unsigned long)vp, &vnode, sizeof(vnode)); 981 if (error == 0) { 982 warnx("can't read vnode at %p", (void *)vp); 983 goto fail; 984 } 985 bzero(vn, sizeof(*vn)); 986 vn->vn_type = vntype2psfsttype(vnode.v_type); 987 if (vnode.v_type == VNON || vnode.v_type == VBAD) 988 return (0); 989 error = kvm_read_all(kd, (unsigned long)vnode.v_tag, tagstr, 990 sizeof(tagstr)); 991 if (error == 0) { 992 warnx("can't read v_tag at %p", (void *)vp); 993 goto fail; 994 } 995 tagstr[sizeof(tagstr) - 1] = '\0'; 996 997 /* 998 * Find appropriate handler. 999 */ 1000 for (i = 0, found = 0; i < NTYPES; i++) 1001 if (!strcmp(fstypes[i].tag, tagstr)) { 1002 if (fstypes[i].handler(kd, &vnode, vn) != 0) { 1003 goto fail; 1004 } 1005 break; 1006 } 1007 if (i == NTYPES) { 1008 snprintf(errbuf, _POSIX2_LINE_MAX, "?(%s)", tagstr); 1009 return (1); 1010 } 1011 vn->vn_mntdir = getmnton(kd, vnode.v_mount); 1012 if ((vnode.v_type == VBLK || vnode.v_type == VCHR) && 1013 vnode.v_rdev != NULL){ 1014 vn->vn_dev = dev2udev(kd, vnode.v_rdev); 1015 (void)kdevtoname(kd, vnode.v_rdev, vn->vn_devname); 1016 } else { 1017 vn->vn_dev = -1; 1018 } 1019 return (0); 1020 1021fail: 1022 snprintf(errbuf, _POSIX2_LINE_MAX, "error"); 1023 return (1); 1024} 1025 1026/* 1027 * kinfo vnode type to filestat translation. 1028 */ 1029static int 1030kinfo_vtype2fst(int kfvtype) 1031{ 1032 static struct { 1033 int kf_vtype; 1034 int fst_vtype; 1035 } kfvtypes2fst[] = { 1036 { KF_VTYPE_VBAD, PS_FST_VTYPE_VBAD }, 1037 { KF_VTYPE_VBLK, PS_FST_VTYPE_VBLK }, 1038 { KF_VTYPE_VCHR, PS_FST_VTYPE_VCHR }, 1039 { KF_VTYPE_VDIR, PS_FST_VTYPE_VDIR }, 1040 { KF_VTYPE_VFIFO, PS_FST_VTYPE_VFIFO }, 1041 { KF_VTYPE_VLNK, PS_FST_VTYPE_VLNK }, 1042 { KF_VTYPE_VNON, PS_FST_VTYPE_VNON }, 1043 { KF_VTYPE_VREG, PS_FST_VTYPE_VREG }, 1044 { KF_VTYPE_VSOCK, PS_FST_VTYPE_VSOCK } 1045 }; 1046#define NKFVTYPES (sizeof(kfvtypes2fst) / sizeof(*kfvtypes2fst)) 1047 unsigned int i; 1048 1049 for (i = 0; i < NKFVTYPES; i++) 1050 if (kfvtypes2fst[i].kf_vtype == kfvtype) 1051 break; 1052 if (i == NKFVTYPES) 1053 return (PS_FST_VTYPE_UNKNOWN); 1054 return (kfvtypes2fst[i].fst_vtype); 1055} 1056 1057static int 1058procstat_get_vnode_info_sysctl(struct filestat *fst, struct vnstat *vn, 1059 char *errbuf) 1060{ 1061 struct statfs stbuf; 1062 struct kinfo_file *kif; 1063 struct kinfo_vmentry *kve; 1064 uint64_t fileid; 1065 uint64_t size; 1066 char *name, *path; 1067 uint32_t fsid; 1068 uint16_t mode; 1069 uint32_t rdev; 1070 int vntype; 1071 int status; 1072 1073 assert(fst); 1074 assert(vn); 1075 bzero(vn, sizeof(*vn)); 1076 if (fst->fs_typedep == NULL) 1077 return (1); 1078 if (fst->fs_uflags & PS_FST_UFLAG_MMAP) { 1079 kve = fst->fs_typedep; 1080 fileid = kve->kve_vn_fileid; 1081 fsid = kve->kve_vn_fsid; 1082 mode = kve->kve_vn_mode; 1083 path = kve->kve_path; 1084 rdev = kve->kve_vn_rdev; 1085 size = kve->kve_vn_size; 1086 vntype = kinfo_vtype2fst(kve->kve_vn_type); 1087 status = kve->kve_status; 1088 } else { 1089 kif = fst->fs_typedep; 1090 fileid = kif->kf_un.kf_file.kf_file_fileid; 1091 fsid = kif->kf_un.kf_file.kf_file_fsid; 1092 mode = kif->kf_un.kf_file.kf_file_mode; 1093 path = kif->kf_path; 1094 rdev = kif->kf_un.kf_file.kf_file_rdev; 1095 size = kif->kf_un.kf_file.kf_file_size; 1096 vntype = kinfo_vtype2fst(kif->kf_vnode_type); 1097 status = kif->kf_status; 1098 } 1099 vn->vn_type = vntype; 1100 if (vntype == PS_FST_VTYPE_VNON || vntype == PS_FST_VTYPE_VBAD) 1101 return (0); 1102 if ((status & KF_ATTR_VALID) == 0) { 1103 snprintf(errbuf, _POSIX2_LINE_MAX, "? (no info available)"); 1104 return (1); 1105 } 1106 if (path && *path) { 1107 statfs(path, &stbuf); 1108 vn->vn_mntdir = strdup(stbuf.f_mntonname); 1109 } else 1110 vn->vn_mntdir = strdup("-"); 1111 vn->vn_dev = rdev; 1112 if (vntype == PS_FST_VTYPE_VBLK) { 1113 name = devname(rdev, S_IFBLK); 1114 if (name != NULL) 1115 strlcpy(vn->vn_devname, name, 1116 sizeof(vn->vn_devname)); 1117 } else if (vntype == PS_FST_VTYPE_VCHR) { 1118 name = devname(vn->vn_dev, S_IFCHR); 1119 if (name != NULL) 1120 strlcpy(vn->vn_devname, name, 1121 sizeof(vn->vn_devname)); 1122 } 1123 vn->vn_fsid = fsid; 1124 vn->vn_fileid = fileid; 1125 vn->vn_size = size; 1126 vn->vn_mode = mode; 1127 return (0); 1128} 1129 1130int 1131procstat_get_socket_info(struct procstat *procstat, struct filestat *fst, 1132 struct sockstat *sock, char *errbuf) 1133{ 1134 1135 assert(sock); 1136 if (procstat->type == PROCSTAT_KVM) { 1137 return (procstat_get_socket_info_kvm(procstat->kd, fst, sock, 1138 errbuf)); 1139 } else if (procstat->type == PROCSTAT_SYSCTL) { 1140 return (procstat_get_socket_info_sysctl(fst, sock, errbuf)); 1141 } else { 1142 warnx("unknown access method: %d", procstat->type); 1143 snprintf(errbuf, _POSIX2_LINE_MAX, "error"); 1144 return (1); 1145 } 1146} 1147 1148static int 1149procstat_get_socket_info_kvm(kvm_t *kd, struct filestat *fst, 1150 struct sockstat *sock, char *errbuf) 1151{ 1152 struct domain dom; 1153 struct inpcb inpcb; 1154 struct protosw proto; 1155 struct socket s; 1156 struct unpcb unpcb; 1157 ssize_t len; 1158 void *so; 1159 1160 assert(kd); 1161 assert(sock); 1162 assert(fst); 1163 bzero(sock, sizeof(*sock)); 1164 so = fst->fs_typedep; 1165 if (so == NULL) 1166 goto fail; 1167 sock->so_addr = (uintptr_t)so; 1168 /* fill in socket */ 1169 if (!kvm_read_all(kd, (unsigned long)so, &s, 1170 sizeof(struct socket))) { 1171 warnx("can't read sock at %p", (void *)so); 1172 goto fail; 1173 } 1174 /* fill in protosw entry */ 1175 if (!kvm_read_all(kd, (unsigned long)s.so_proto, &proto, 1176 sizeof(struct protosw))) { 1177 warnx("can't read protosw at %p", (void *)s.so_proto); 1178 goto fail; 1179 } 1180 /* fill in domain */ 1181 if (!kvm_read_all(kd, (unsigned long)proto.pr_domain, &dom, 1182 sizeof(struct domain))) { 1183 warnx("can't read domain at %p", 1184 (void *)proto.pr_domain); 1185 goto fail; 1186 } 1187 if ((len = kvm_read(kd, (unsigned long)dom.dom_name, sock->dname, 1188 sizeof(sock->dname) - 1)) < 0) { 1189 warnx("can't read domain name at %p", (void *)dom.dom_name); 1190 sock->dname[0] = '\0'; 1191 } 1192 else 1193 sock->dname[len] = '\0'; 1194 1195 /* 1196 * Fill in known data. 1197 */ 1198 sock->type = s.so_type; 1199 sock->proto = proto.pr_protocol; 1200 sock->dom_family = dom.dom_family; 1201 sock->so_pcb = (uintptr_t)s.so_pcb; 1202 1203 /* 1204 * Protocol specific data. 1205 */ 1206 switch(dom.dom_family) { 1207 case AF_INET: 1208 case AF_INET6: 1209 if (proto.pr_protocol == IPPROTO_TCP) { 1210 if (s.so_pcb) { 1211 if (kvm_read(kd, (u_long)s.so_pcb, 1212 (char *)&inpcb, sizeof(struct inpcb)) 1213 != sizeof(struct inpcb)) { 1214 warnx("can't read inpcb at %p", 1215 (void *)s.so_pcb); 1216 } else 1217 sock->inp_ppcb = 1218 (uintptr_t)inpcb.inp_ppcb; 1219 } 1220 } 1221 break; 1222 case AF_UNIX: 1223 if (s.so_pcb) { 1224 if (kvm_read(kd, (u_long)s.so_pcb, (char *)&unpcb, 1225 sizeof(struct unpcb)) != sizeof(struct unpcb)){ 1226 warnx("can't read unpcb at %p", 1227 (void *)s.so_pcb); 1228 } else if (unpcb.unp_conn) { 1229 sock->so_rcv_sb_state = s.so_rcv.sb_state; 1230 sock->so_snd_sb_state = s.so_snd.sb_state; 1231 sock->unp_conn = (uintptr_t)unpcb.unp_conn; 1232 } 1233 } 1234 break; 1235 default: 1236 break; 1237 } 1238 return (0); 1239 1240fail: 1241 snprintf(errbuf, _POSIX2_LINE_MAX, "error"); 1242 return (1); 1243} 1244 1245static int 1246procstat_get_socket_info_sysctl(struct filestat *fst, struct sockstat *sock, 1247 char *errbuf __unused) 1248{ 1249 struct kinfo_file *kif; 1250 1251 assert(sock); 1252 assert(fst); 1253 bzero(sock, sizeof(*sock)); 1254 kif = fst->fs_typedep; 1255 if (kif == NULL) 1256 return (0); 1257 1258 /* 1259 * Fill in known data. 1260 */ 1261 sock->type = kif->kf_sock_type; 1262 sock->proto = kif->kf_sock_protocol; 1263 sock->dom_family = kif->kf_sock_domain; 1264 sock->so_pcb = kif->kf_un.kf_sock.kf_sock_pcb; 1265 strlcpy(sock->dname, kif->kf_path, sizeof(sock->dname)); 1266 bcopy(&kif->kf_sa_local, &sock->sa_local, kif->kf_sa_local.ss_len); 1267 bcopy(&kif->kf_sa_peer, &sock->sa_peer, kif->kf_sa_peer.ss_len); 1268 1269 /* 1270 * Protocol specific data. 1271 */ 1272 switch(sock->dom_family) { 1273 case AF_INET: 1274 case AF_INET6: 1275 if (sock->proto == IPPROTO_TCP) 1276 sock->inp_ppcb = kif->kf_un.kf_sock.kf_sock_inpcb; 1277 break; 1278 case AF_UNIX: 1279 if (kif->kf_un.kf_sock.kf_sock_unpconn != 0) { 1280 sock->so_rcv_sb_state = 1281 kif->kf_un.kf_sock.kf_sock_rcv_sb_state; 1282 sock->so_snd_sb_state = 1283 kif->kf_un.kf_sock.kf_sock_snd_sb_state; 1284 sock->unp_conn = 1285 kif->kf_un.kf_sock.kf_sock_unpconn; 1286 } 1287 break; 1288 default: 1289 break; 1290 } 1291 return (0); 1292} 1293 1294/* 1295 * Descriptor flags to filestat translation. 1296 */ 1297static int 1298to_filestat_flags(int flags) 1299{ 1300 static struct { 1301 int flag; 1302 int fst_flag; 1303 } fstflags[] = { 1304 { FREAD, PS_FST_FFLAG_READ }, 1305 { FWRITE, PS_FST_FFLAG_WRITE }, 1306 { O_APPEND, PS_FST_FFLAG_APPEND }, 1307 { O_ASYNC, PS_FST_FFLAG_ASYNC }, 1308 { O_CREAT, PS_FST_FFLAG_CREAT }, 1309 { O_DIRECT, PS_FST_FFLAG_DIRECT }, 1310 { O_EXCL, PS_FST_FFLAG_EXCL }, 1311 { O_EXEC, PS_FST_FFLAG_EXEC }, 1312 { O_EXLOCK, PS_FST_FFLAG_EXLOCK }, 1313 { O_NOFOLLOW, PS_FST_FFLAG_NOFOLLOW }, 1314 { O_NONBLOCK, PS_FST_FFLAG_NONBLOCK }, 1315 { O_SHLOCK, PS_FST_FFLAG_SHLOCK }, 1316 { O_SYNC, PS_FST_FFLAG_SYNC }, 1317 { O_TRUNC, PS_FST_FFLAG_TRUNC } 1318 }; 1319#define NFSTFLAGS (sizeof(fstflags) / sizeof(*fstflags)) 1320 int fst_flags; 1321 unsigned int i; 1322 1323 fst_flags = 0; 1324 for (i = 0; i < NFSTFLAGS; i++) 1325 if (flags & fstflags[i].flag) 1326 fst_flags |= fstflags[i].fst_flag; 1327 return (fst_flags); 1328} 1329 1330/* 1331 * Vnode type to filestate translation. 1332 */ 1333static int 1334vntype2psfsttype(int type) 1335{ 1336 static struct { 1337 int vtype; 1338 int fst_vtype; 1339 } vt2fst[] = { 1340 { VBAD, PS_FST_VTYPE_VBAD }, 1341 { VBLK, PS_FST_VTYPE_VBLK }, 1342 { VCHR, PS_FST_VTYPE_VCHR }, 1343 { VDIR, PS_FST_VTYPE_VDIR }, 1344 { VFIFO, PS_FST_VTYPE_VFIFO }, 1345 { VLNK, PS_FST_VTYPE_VLNK }, 1346 { VNON, PS_FST_VTYPE_VNON }, 1347 { VREG, PS_FST_VTYPE_VREG }, 1348 { VSOCK, PS_FST_VTYPE_VSOCK } 1349 }; 1350#define NVFTYPES (sizeof(vt2fst) / sizeof(*vt2fst)) 1351 unsigned int i, fst_type; 1352 1353 fst_type = PS_FST_VTYPE_UNKNOWN; 1354 for (i = 0; i < NVFTYPES; i++) { 1355 if (type == vt2fst[i].vtype) { 1356 fst_type = vt2fst[i].fst_vtype; 1357 break; 1358 } 1359 } 1360 return (fst_type); 1361} 1362 1363static char * 1364getmnton(kvm_t *kd, struct mount *m) 1365{ 1366 struct mount mnt; 1367 static struct mtab { 1368 struct mtab *next; 1369 struct mount *m; 1370 char mntonname[MNAMELEN + 1]; 1371 } *mhead = NULL; 1372 struct mtab *mt; 1373 1374 for (mt = mhead; mt != NULL; mt = mt->next) 1375 if (m == mt->m) 1376 return (mt->mntonname); 1377 if (!kvm_read_all(kd, (unsigned long)m, &mnt, sizeof(struct mount))) { 1378 warnx("can't read mount table at %p", (void *)m); 1379 return (NULL); 1380 } 1381 if ((mt = malloc(sizeof (struct mtab))) == NULL) 1382 err(1, NULL); 1383 mt->m = m; 1384 bcopy(&mnt.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN); 1385 mt->mntonname[MNAMELEN] = '\0'; 1386 mt->next = mhead; 1387 mhead = mt; 1388 return (mt->mntonname); 1389} 1390