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.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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.
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
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
38 #include <sys/param.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>
49 #include <sys/unpcb.h>
50 #include <sys/sysctl.h>
52 #include <sys/filedesc.h>
53 #include <sys/queue.h>
59 #include <sys/mount.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>
66 #include <nfs/nfsproto.h>
67 #include <nfsclient/nfs.h>
68 #include <nfsclient/nfsnode.h>
71 #include <vm/vm_map.h>
72 #include <vm/vm_object.h>
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>
96 #include <libprocstat.h>
97 #include "libprocstat_internal.h"
98 #include "common_kvm.h"
100 int statfs(const char *, struct statfs *); /* XXX */
102 #define PROCSTAT_KVM 1
103 #define PROCSTAT_SYSCTL 2
105 static char *getmnton(kvm_t *kd, struct mount *m);
106 static struct filestat_list *procstat_getfiles_kvm(
107 struct procstat *procstat, struct kinfo_proc *kp, int mmapped);
108 static struct filestat_list *procstat_getfiles_sysctl(
109 struct procstat *procstat, struct kinfo_proc *kp, int mmapped);
110 static int procstat_get_pipe_info_sysctl(struct filestat *fst,
111 struct pipestat *pipe, char *errbuf);
112 static int procstat_get_pipe_info_kvm(kvm_t *kd, struct filestat *fst,
113 struct pipestat *pipe, char *errbuf);
114 static int procstat_get_pts_info_sysctl(struct filestat *fst,
115 struct ptsstat *pts, char *errbuf);
116 static int procstat_get_pts_info_kvm(kvm_t *kd, struct filestat *fst,
117 struct ptsstat *pts, char *errbuf);
118 static int procstat_get_shm_info_sysctl(struct filestat *fst,
119 struct shmstat *shm, char *errbuf);
120 static int procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst,
121 struct shmstat *shm, char *errbuf);
122 static int procstat_get_socket_info_sysctl(struct filestat *fst,
123 struct sockstat *sock, char *errbuf);
124 static int procstat_get_socket_info_kvm(kvm_t *kd, struct filestat *fst,
125 struct sockstat *sock, char *errbuf);
126 static int to_filestat_flags(int flags);
127 static int procstat_get_vnode_info_kvm(kvm_t *kd, struct filestat *fst,
128 struct vnstat *vn, char *errbuf);
129 static int procstat_get_vnode_info_sysctl(struct filestat *fst,
130 struct vnstat *vn, char *errbuf);
131 static int vntype2psfsttype(int type);
134 procstat_close(struct procstat *procstat)
138 if (procstat->type == PROCSTAT_KVM)
139 kvm_close(procstat->kd);
144 procstat_open_sysctl(void)
146 struct procstat *procstat;
148 procstat = calloc(1, sizeof(*procstat));
149 if (procstat == NULL) {
153 procstat->type = PROCSTAT_SYSCTL;
158 procstat_open_kvm(const char *nlistf, const char *memf)
160 struct procstat *procstat;
162 char buf[_POSIX2_LINE_MAX];
164 procstat = calloc(1, sizeof(*procstat));
165 if (procstat == NULL) {
169 kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf);
171 warnx("kvm_openfiles(): %s", buf);
175 procstat->type = PROCSTAT_KVM;
181 procstat_getprocs(struct procstat *procstat, int what, int arg,
184 struct kinfo_proc *p0, *p;
193 if (procstat->type == PROCSTAT_KVM) {
195 p0 = kvm_getprocs(procstat->kd, what, arg, &cnt);
196 if (p0 == NULL || cnt <= 0)
199 len = *count * sizeof(*p);
202 warnx("malloc(%zu)", len);
207 } else if (procstat->type == PROCSTAT_SYSCTL) {
213 error = sysctl(name, 4, NULL, &len, NULL, 0);
214 if (error < 0 && errno != EPERM) {
215 warn("sysctl(kern.proc)");
219 warnx("no processes?");
224 warnx("malloc(%zu)", len);
227 error = sysctl(name, 4, p, &len, NULL, 0);
228 if (error < 0 && errno != EPERM) {
229 warn("sysctl(kern.proc)");
232 /* Perform simple consistency checks. */
233 if ((len % sizeof(*p)) != 0 || p->ki_structsize != sizeof(*p)) {
234 warnx("kinfo_proc structure size mismatch");
237 *count = len / sizeof(*p);
240 warnx("unknown access method: %d", procstat->type);
250 procstat_freeprocs(struct procstat *procstat __unused, struct kinfo_proc *p)
258 struct filestat_list *
259 procstat_getfiles(struct procstat *procstat, struct kinfo_proc *kp, int mmapped)
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));
271 procstat_freefiles(struct procstat *procstat, struct filestat_list *head)
273 struct filestat *fst, *tmp;
275 STAILQ_FOREACH_SAFE(fst, head, next, tmp) {
276 if (fst->fs_path != NULL)
281 if (procstat->vmentries != NULL) {
282 free(procstat->vmentries);
283 procstat->vmentries = NULL;
285 if (procstat->files != NULL) {
286 free(procstat->files);
287 procstat->files = NULL;
291 static struct filestat *
292 filestat_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)
295 struct filestat *entry;
297 entry = calloc(1, sizeof(*entry));
302 entry->fs_typedep = typedep;
303 entry->fs_fflags = fflags;
304 entry->fs_uflags = uflags;
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;
314 static struct vnode *
315 getctty(kvm_t *kd, struct kinfo_proc *kp)
323 error = kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
326 warnx("can't read proc struct at %p for pid %d",
327 kp->ki_paddr, kp->ki_pid);
330 if (proc.p_pgrp == NULL)
332 error = kvm_read_all(kd, (unsigned long)proc.p_pgrp, &pgrp,
335 warnx("can't read pgrp struct at %p for pid %d",
336 proc.p_pgrp, kp->ki_pid);
339 error = kvm_read_all(kd, (unsigned long)pgrp.pg_session, &sess,
342 warnx("can't read session struct at %p for pid %d",
343 pgrp.pg_session, kp->ki_pid);
346 return (sess.s_ttyvp);
349 static struct filestat_list *
350 procstat_getfiles_kvm(struct procstat *procstat, struct kinfo_proc *kp, int mmapped)
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;
361 struct file **ofiles;
362 struct filestat *entry;
363 struct filestat_list *head;
374 if (kp->ki_fd == NULL)
376 if (!kvm_read_all(kd, (unsigned long)kp->ki_fd, &filed,
378 warnx("can't read filedesc at %p", (void *)kp->ki_fd);
383 * Allocate list head.
385 head = malloc(sizeof(*head));
390 /* root directory vnode, if one. */
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);
395 STAILQ_INSERT_TAIL(head, entry, next);
397 /* current working directory vnode. */
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);
402 STAILQ_INSERT_TAIL(head, entry, next);
404 /* jail root, if any. */
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);
409 STAILQ_INSERT_TAIL(head, entry, next);
411 /* ktrace vnode, if one */
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);
417 STAILQ_INSERT_TAIL(head, entry, next);
419 /* text vnode, if one */
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);
424 STAILQ_INSERT_TAIL(head, entry, next);
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);
432 STAILQ_INSERT_TAIL(head, entry, next);
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 *));
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);
448 for (i = 0; i <= filed.fd_lastfile; i++) {
449 if (ofiles[i] == NULL)
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,
457 switch (file.f_type) {
459 type = PS_FST_TYPE_VNODE;
463 type = PS_FST_TYPE_SOCKET;
467 type = PS_FST_TYPE_PIPE;
471 type = PS_FST_TYPE_FIFO;
476 type = PS_FST_TYPE_PTS;
481 type = PS_FST_TYPE_SHM;
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);
491 STAILQ_INSERT_TAIL(head, entry, next);
498 * Process mmapped files if requested.
501 if (!kvm_read_all(kd, (unsigned long)kp->ki_vmspace, &vmspace,
503 warnx("can't read vmspace at %p",
504 (void *)kp->ki_vmspace);
507 map = &vmspace.vm_map;
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,
514 warnx("can't read vm_map_entry at %p",
518 if (vmentry.eflags & MAP_ENTRY_IS_SUB_MAP)
520 if ((objp = vmentry.object.vm_object) == NULL)
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",
531 /* We want only vnode objects. */
532 if (object.type != OBJT_VNODE)
535 prot = vmentry.protection;
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;
544 * Create filestat entry.
546 entry = filestat_new_entry(object.handle,
547 PS_FST_TYPE_VNODE, -1, fflags,
548 PS_FST_UFLAG_MMAP, 0, 0, NULL, 0);
550 STAILQ_INSERT_TAIL(head, entry, next);
558 * kinfo types to filestat translation.
561 kinfo_type2fst(int kftype)
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 }
580 #define NKFTYPES (sizeof(kftypes2fst) / sizeof(*kftypes2fst))
583 for (i = 0; i < NKFTYPES; i++)
584 if (kftypes2fst[i].kf_type == kftype)
587 return (PS_FST_TYPE_UNKNOWN);
588 return (kftypes2fst[i].fst_type);
592 * kinfo flags to filestat translation.
595 kinfo_fflags2fst(int kfflags)
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 }
618 #define NKFFLAGS (sizeof(kfflags2fst) / sizeof(*kfflags2fst))
623 for (i = 0; i < NKFFLAGS; i++)
624 if ((kfflags & kfflags2fst[i].kf_flag) != 0)
625 flags |= kfflags2fst[i].fst_flag;
630 kinfo_uflags2fst(int fd)
634 case KF_FD_TYPE_CTTY:
635 return (PS_FST_UFLAG_CTTY);
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);
650 static struct filestat_list *
651 procstat_getfiles_sysctl(struct procstat *procstat, struct kinfo_proc *kp, int mmapped)
653 struct kinfo_file *kif, *files;
654 struct kinfo_vmentry *kve, *vmentries;
655 struct filestat_list *head;
656 struct filestat *entry;
662 cap_rights_t cap_rights;
665 if (kp->ki_fd == NULL)
668 files = kinfo_getfile(kp->ki_pid, &cnt);
669 if (files == NULL && errno != EPERM) {
670 warn("kinfo_getfile()");
673 procstat->files = files;
676 * Allocate list head.
678 head = malloc(sizeof(*head));
682 for (i = 0; i < cnt; i++) {
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);
695 cap_rights = kif->kf_cap_rights;
698 * Create filestat entry.
700 entry = filestat_new_entry(kif, type, fd, fflags, uflags,
701 refcount, offset, path, cap_rights);
703 STAILQ_INSERT_TAIL(head, entry, next);
706 vmentries = kinfo_getvmmap(kp->ki_pid, &cnt);
707 procstat->vmentries = vmentries;
708 if (vmentries == NULL || cnt == 0)
710 for (i = 0; i < cnt; i++) {
712 if (kve->kve_type != KVME_TYPE_VNODE)
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);
726 entry = filestat_new_entry(kve, PS_FST_TYPE_VNODE, -1,
727 fflags, PS_FST_UFLAG_MMAP, refcount, offset, path,
730 STAILQ_INSERT_TAIL(head, entry, next);
738 procstat_get_pipe_info(struct procstat *procstat, struct filestat *fst,
739 struct pipestat *ps, char *errbuf)
743 if (procstat->type == PROCSTAT_KVM) {
744 return (procstat_get_pipe_info_kvm(procstat->kd, fst, ps,
746 } else if (procstat->type == PROCSTAT_SYSCTL) {
747 return (procstat_get_pipe_info_sysctl(fst, ps, errbuf));
749 warnx("unknown access method: %d", procstat->type);
750 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
756 procstat_get_pipe_info_kvm(kvm_t *kd, struct filestat *fst,
757 struct pipestat *ps, char *errbuf)
765 bzero(ps, sizeof(*ps));
766 pipep = fst->fs_typedep;
769 if (!kvm_read_all(kd, (unsigned long)pipep, &pi, sizeof(struct pipe))) {
770 warnx("can't read pipe at %p", (void *)pipep);
773 ps->addr = (uintptr_t)pipep;
774 ps->peer = (uintptr_t)pi.pipe_peer;
775 ps->buffer_cnt = pi.pipe_buffer.cnt;
779 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
784 procstat_get_pipe_info_sysctl(struct filestat *fst, struct pipestat *ps,
785 char *errbuf __unused)
787 struct kinfo_file *kif;
791 bzero(ps, sizeof(*ps));
792 kif = fst->fs_typedep;
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;
802 procstat_get_pts_info(struct procstat *procstat, struct filestat *fst,
803 struct ptsstat *pts, char *errbuf)
807 if (procstat->type == PROCSTAT_KVM) {
808 return (procstat_get_pts_info_kvm(procstat->kd, fst, pts,
810 } else if (procstat->type == PROCSTAT_SYSCTL) {
811 return (procstat_get_pts_info_sysctl(fst, pts, errbuf));
813 warnx("unknown access method: %d", procstat->type);
814 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
820 procstat_get_pts_info_kvm(kvm_t *kd, struct filestat *fst,
821 struct ptsstat *pts, char *errbuf)
829 bzero(pts, sizeof(*pts));
830 ttyp = fst->fs_typedep;
833 if (!kvm_read_all(kd, (unsigned long)ttyp, &tty, sizeof(struct tty))) {
834 warnx("can't read tty at %p", (void *)ttyp);
837 pts->dev = dev2udev(kd, tty.t_dev);
838 (void)kdevtoname(kd, tty.t_dev, pts->devname);
842 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
847 procstat_get_pts_info_sysctl(struct filestat *fst, struct ptsstat *pts,
848 char *errbuf __unused)
850 struct kinfo_file *kif;
854 bzero(pts, sizeof(*pts));
855 kif = fst->fs_typedep;
858 pts->dev = kif->kf_un.kf_pts.kf_pts_dev;
859 strlcpy(pts->devname, kif->kf_path, sizeof(pts->devname));
864 procstat_get_shm_info(struct procstat *procstat, struct filestat *fst,
865 struct shmstat *shm, char *errbuf)
869 if (procstat->type == PROCSTAT_KVM) {
870 return (procstat_get_shm_info_kvm(procstat->kd, fst, shm,
872 } else if (procstat->type == PROCSTAT_SYSCTL) {
873 return (procstat_get_shm_info_sysctl(fst, shm, errbuf));
875 warnx("unknown access method: %d", procstat->type);
876 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
882 procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst,
883 struct shmstat *shm, char *errbuf)
893 bzero(shm, sizeof(*shm));
894 shmfdp = fst->fs_typedep;
897 if (!kvm_read_all(kd, (unsigned long)shmfdp, &shmfd,
898 sizeof(struct shmfd))) {
899 warnx("can't read shmfd at %p", (void *)shmfdp);
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,
922 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
927 procstat_get_shm_info_sysctl(struct filestat *fst, struct shmstat *shm,
928 char *errbuf __unused)
930 struct kinfo_file *kif;
934 bzero(shm, sizeof(*shm));
935 kif = fst->fs_typedep;
938 shm->size = kif->kf_un.kf_file.kf_file_size;
939 shm->mode = kif->kf_un.kf_file.kf_file_mode;
944 procstat_get_vnode_info(struct procstat *procstat, struct filestat *fst,
945 struct vnstat *vn, char *errbuf)
949 if (procstat->type == PROCSTAT_KVM) {
950 return (procstat_get_vnode_info_kvm(procstat->kd, fst, vn,
952 } else if (procstat->type == PROCSTAT_SYSCTL) {
953 return (procstat_get_vnode_info_sysctl(fst, vn, errbuf));
955 warnx("unknown access method: %d", procstat->type);
956 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
962 procstat_get_vnode_info_kvm(kvm_t *kd, struct filestat *fst,
963 struct vnstat *vn, char *errbuf)
965 /* Filesystem specific handlers. */
966 #define FSTYPE(fst) {#fst, fst##_filestat}
969 int (*handler)(kvm_t *kd, struct vnode *vp,
978 #ifdef LIBPROCSTAT_ZFS
982 #define NTYPES (sizeof(fstypes) / sizeof(*fstypes))
992 vp = fst->fs_typedep;
995 error = kvm_read_all(kd, (unsigned long)vp, &vnode, sizeof(vnode));
997 warnx("can't read vnode at %p", (void *)vp);
1000 bzero(vn, sizeof(*vn));
1001 vn->vn_type = vntype2psfsttype(vnode.v_type);
1002 if (vnode.v_type == VNON || vnode.v_type == VBAD)
1004 error = kvm_read_all(kd, (unsigned long)vnode.v_tag, tagstr,
1007 warnx("can't read v_tag at %p", (void *)vp);
1010 tagstr[sizeof(tagstr) - 1] = '\0';
1013 * Find appropriate handler.
1015 for (i = 0, found = 0; i < NTYPES; i++)
1016 if (!strcmp(fstypes[i].tag, tagstr)) {
1017 if (fstypes[i].handler(kd, &vnode, vn) != 0) {
1023 snprintf(errbuf, _POSIX2_LINE_MAX, "?(%s)", tagstr);
1026 vn->vn_mntdir = getmnton(kd, vnode.v_mount);
1027 if ((vnode.v_type == VBLK || vnode.v_type == VCHR) &&
1028 vnode.v_rdev != NULL){
1029 vn->vn_dev = dev2udev(kd, vnode.v_rdev);
1030 (void)kdevtoname(kd, vnode.v_rdev, vn->vn_devname);
1037 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1042 * kinfo vnode type to filestat translation.
1045 kinfo_vtype2fst(int kfvtype)
1050 } kfvtypes2fst[] = {
1051 { KF_VTYPE_VBAD, PS_FST_VTYPE_VBAD },
1052 { KF_VTYPE_VBLK, PS_FST_VTYPE_VBLK },
1053 { KF_VTYPE_VCHR, PS_FST_VTYPE_VCHR },
1054 { KF_VTYPE_VDIR, PS_FST_VTYPE_VDIR },
1055 { KF_VTYPE_VFIFO, PS_FST_VTYPE_VFIFO },
1056 { KF_VTYPE_VLNK, PS_FST_VTYPE_VLNK },
1057 { KF_VTYPE_VNON, PS_FST_VTYPE_VNON },
1058 { KF_VTYPE_VREG, PS_FST_VTYPE_VREG },
1059 { KF_VTYPE_VSOCK, PS_FST_VTYPE_VSOCK }
1061 #define NKFVTYPES (sizeof(kfvtypes2fst) / sizeof(*kfvtypes2fst))
1064 for (i = 0; i < NKFVTYPES; i++)
1065 if (kfvtypes2fst[i].kf_vtype == kfvtype)
1068 return (PS_FST_VTYPE_UNKNOWN);
1069 return (kfvtypes2fst[i].fst_vtype);
1073 procstat_get_vnode_info_sysctl(struct filestat *fst, struct vnstat *vn,
1076 struct statfs stbuf;
1077 struct kinfo_file *kif;
1078 struct kinfo_vmentry *kve;
1090 bzero(vn, sizeof(*vn));
1091 if (fst->fs_typedep == NULL)
1093 if (fst->fs_uflags & PS_FST_UFLAG_MMAP) {
1094 kve = fst->fs_typedep;
1095 fileid = kve->kve_vn_fileid;
1096 fsid = kve->kve_vn_fsid;
1097 mode = kve->kve_vn_mode;
1098 path = kve->kve_path;
1099 rdev = kve->kve_vn_rdev;
1100 size = kve->kve_vn_size;
1101 vntype = kinfo_vtype2fst(kve->kve_vn_type);
1102 status = kve->kve_status;
1104 kif = fst->fs_typedep;
1105 fileid = kif->kf_un.kf_file.kf_file_fileid;
1106 fsid = kif->kf_un.kf_file.kf_file_fsid;
1107 mode = kif->kf_un.kf_file.kf_file_mode;
1108 path = kif->kf_path;
1109 rdev = kif->kf_un.kf_file.kf_file_rdev;
1110 size = kif->kf_un.kf_file.kf_file_size;
1111 vntype = kinfo_vtype2fst(kif->kf_vnode_type);
1112 status = kif->kf_status;
1114 vn->vn_type = vntype;
1115 if (vntype == PS_FST_VTYPE_VNON || vntype == PS_FST_VTYPE_VBAD)
1117 if ((status & KF_ATTR_VALID) == 0) {
1118 snprintf(errbuf, _POSIX2_LINE_MAX, "? (no info available)");
1121 if (path && *path) {
1122 statfs(path, &stbuf);
1123 vn->vn_mntdir = strdup(stbuf.f_mntonname);
1125 vn->vn_mntdir = strdup("-");
1127 if (vntype == PS_FST_VTYPE_VBLK) {
1128 name = devname(rdev, S_IFBLK);
1130 strlcpy(vn->vn_devname, name,
1131 sizeof(vn->vn_devname));
1132 } else if (vntype == PS_FST_VTYPE_VCHR) {
1133 name = devname(vn->vn_dev, S_IFCHR);
1135 strlcpy(vn->vn_devname, name,
1136 sizeof(vn->vn_devname));
1139 vn->vn_fileid = fileid;
1146 procstat_get_socket_info(struct procstat *procstat, struct filestat *fst,
1147 struct sockstat *sock, char *errbuf)
1151 if (procstat->type == PROCSTAT_KVM) {
1152 return (procstat_get_socket_info_kvm(procstat->kd, fst, sock,
1154 } else if (procstat->type == PROCSTAT_SYSCTL) {
1155 return (procstat_get_socket_info_sysctl(fst, sock, errbuf));
1157 warnx("unknown access method: %d", procstat->type);
1158 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1164 procstat_get_socket_info_kvm(kvm_t *kd, struct filestat *fst,
1165 struct sockstat *sock, char *errbuf)
1169 struct protosw proto;
1178 bzero(sock, sizeof(*sock));
1179 so = fst->fs_typedep;
1182 sock->so_addr = (uintptr_t)so;
1183 /* fill in socket */
1184 if (!kvm_read_all(kd, (unsigned long)so, &s,
1185 sizeof(struct socket))) {
1186 warnx("can't read sock at %p", (void *)so);
1189 /* fill in protosw entry */
1190 if (!kvm_read_all(kd, (unsigned long)s.so_proto, &proto,
1191 sizeof(struct protosw))) {
1192 warnx("can't read protosw at %p", (void *)s.so_proto);
1195 /* fill in domain */
1196 if (!kvm_read_all(kd, (unsigned long)proto.pr_domain, &dom,
1197 sizeof(struct domain))) {
1198 warnx("can't read domain at %p",
1199 (void *)proto.pr_domain);
1202 if ((len = kvm_read(kd, (unsigned long)dom.dom_name, sock->dname,
1203 sizeof(sock->dname) - 1)) < 0) {
1204 warnx("can't read domain name at %p", (void *)dom.dom_name);
1205 sock->dname[0] = '\0';
1208 sock->dname[len] = '\0';
1211 * Fill in known data.
1213 sock->type = s.so_type;
1214 sock->proto = proto.pr_protocol;
1215 sock->dom_family = dom.dom_family;
1216 sock->so_pcb = (uintptr_t)s.so_pcb;
1219 * Protocol specific data.
1221 switch(dom.dom_family) {
1224 if (proto.pr_protocol == IPPROTO_TCP) {
1226 if (kvm_read(kd, (u_long)s.so_pcb,
1227 (char *)&inpcb, sizeof(struct inpcb))
1228 != sizeof(struct inpcb)) {
1229 warnx("can't read inpcb at %p",
1233 (uintptr_t)inpcb.inp_ppcb;
1239 if (kvm_read(kd, (u_long)s.so_pcb, (char *)&unpcb,
1240 sizeof(struct unpcb)) != sizeof(struct unpcb)){
1241 warnx("can't read unpcb at %p",
1243 } else if (unpcb.unp_conn) {
1244 sock->so_rcv_sb_state = s.so_rcv.sb_state;
1245 sock->so_snd_sb_state = s.so_snd.sb_state;
1246 sock->unp_conn = (uintptr_t)unpcb.unp_conn;
1256 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1261 procstat_get_socket_info_sysctl(struct filestat *fst, struct sockstat *sock,
1262 char *errbuf __unused)
1264 struct kinfo_file *kif;
1268 bzero(sock, sizeof(*sock));
1269 kif = fst->fs_typedep;
1274 * Fill in known data.
1276 sock->type = kif->kf_sock_type;
1277 sock->proto = kif->kf_sock_protocol;
1278 sock->dom_family = kif->kf_sock_domain;
1279 sock->so_pcb = kif->kf_un.kf_sock.kf_sock_pcb;
1280 strlcpy(sock->dname, kif->kf_path, sizeof(sock->dname));
1281 bcopy(&kif->kf_sa_local, &sock->sa_local, kif->kf_sa_local.ss_len);
1282 bcopy(&kif->kf_sa_peer, &sock->sa_peer, kif->kf_sa_peer.ss_len);
1285 * Protocol specific data.
1287 switch(sock->dom_family) {
1290 if (sock->proto == IPPROTO_TCP)
1291 sock->inp_ppcb = kif->kf_un.kf_sock.kf_sock_inpcb;
1294 if (kif->kf_un.kf_sock.kf_sock_unpconn != 0) {
1295 sock->so_rcv_sb_state =
1296 kif->kf_un.kf_sock.kf_sock_rcv_sb_state;
1297 sock->so_snd_sb_state =
1298 kif->kf_un.kf_sock.kf_sock_snd_sb_state;
1300 kif->kf_un.kf_sock.kf_sock_unpconn;
1310 * Descriptor flags to filestat translation.
1313 to_filestat_flags(int flags)
1319 { FREAD, PS_FST_FFLAG_READ },
1320 { FWRITE, PS_FST_FFLAG_WRITE },
1321 { O_APPEND, PS_FST_FFLAG_APPEND },
1322 { O_ASYNC, PS_FST_FFLAG_ASYNC },
1323 { O_CREAT, PS_FST_FFLAG_CREAT },
1324 { O_DIRECT, PS_FST_FFLAG_DIRECT },
1325 { O_EXCL, PS_FST_FFLAG_EXCL },
1326 { O_EXEC, PS_FST_FFLAG_EXEC },
1327 { O_EXLOCK, PS_FST_FFLAG_EXLOCK },
1328 { O_NOFOLLOW, PS_FST_FFLAG_NOFOLLOW },
1329 { O_NONBLOCK, PS_FST_FFLAG_NONBLOCK },
1330 { O_SHLOCK, PS_FST_FFLAG_SHLOCK },
1331 { O_SYNC, PS_FST_FFLAG_SYNC },
1332 { O_TRUNC, PS_FST_FFLAG_TRUNC }
1334 #define NFSTFLAGS (sizeof(fstflags) / sizeof(*fstflags))
1339 for (i = 0; i < NFSTFLAGS; i++)
1340 if (flags & fstflags[i].flag)
1341 fst_flags |= fstflags[i].fst_flag;
1346 * Vnode type to filestate translation.
1349 vntype2psfsttype(int type)
1355 { VBAD, PS_FST_VTYPE_VBAD },
1356 { VBLK, PS_FST_VTYPE_VBLK },
1357 { VCHR, PS_FST_VTYPE_VCHR },
1358 { VDIR, PS_FST_VTYPE_VDIR },
1359 { VFIFO, PS_FST_VTYPE_VFIFO },
1360 { VLNK, PS_FST_VTYPE_VLNK },
1361 { VNON, PS_FST_VTYPE_VNON },
1362 { VREG, PS_FST_VTYPE_VREG },
1363 { VSOCK, PS_FST_VTYPE_VSOCK }
1365 #define NVFTYPES (sizeof(vt2fst) / sizeof(*vt2fst))
1366 unsigned int i, fst_type;
1368 fst_type = PS_FST_VTYPE_UNKNOWN;
1369 for (i = 0; i < NVFTYPES; i++) {
1370 if (type == vt2fst[i].vtype) {
1371 fst_type = vt2fst[i].fst_vtype;
1379 getmnton(kvm_t *kd, struct mount *m)
1382 static struct mtab {
1385 char mntonname[MNAMELEN + 1];
1389 for (mt = mhead; mt != NULL; mt = mt->next)
1391 return (mt->mntonname);
1392 if (!kvm_read_all(kd, (unsigned long)m, &mnt, sizeof(struct mount))) {
1393 warnx("can't read mount table at %p", (void *)m);
1396 if ((mt = malloc(sizeof (struct mtab))) == NULL)
1399 bcopy(&mnt.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN);
1400 mt->mntonname[MNAMELEN] = '\0';
1403 return (mt->mntonname);