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;
192 if (procstat->type == PROCSTAT_KVM) {
193 p0 = kvm_getprocs(procstat->kd, what, arg, count);
194 if (p0 == NULL || count == 0)
196 len = *count * sizeof(*p);
199 warnx("malloc(%zu)", len);
204 } else if (procstat->type == PROCSTAT_SYSCTL) {
210 error = sysctl(name, 4, NULL, &len, NULL, 0);
211 if (error < 0 && errno != EPERM) {
212 warn("sysctl(kern.proc)");
216 warnx("no processes?");
221 warnx("malloc(%zu)", len);
224 error = sysctl(name, 4, p, &len, NULL, 0);
225 if (error < 0 && errno != EPERM) {
226 warn("sysctl(kern.proc)");
229 /* Perform simple consistency checks. */
230 if ((len % sizeof(*p)) != 0 || p->ki_structsize != sizeof(*p)) {
231 warnx("kinfo_proc structure size mismatch");
234 *count = len / sizeof(*p);
237 warnx("unknown access method: %d", procstat->type);
247 procstat_freeprocs(struct procstat *procstat __unused, struct kinfo_proc *p)
255 struct filestat_list *
256 procstat_getfiles(struct procstat *procstat, struct kinfo_proc *kp, int mmapped)
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));
268 procstat_freefiles(struct procstat *procstat, struct filestat_list *head)
270 struct filestat *fst, *tmp;
272 STAILQ_FOREACH_SAFE(fst, head, next, tmp) {
273 if (fst->fs_path != NULL)
278 if (procstat->vmentries != NULL) {
279 free(procstat->vmentries);
280 procstat->vmentries = NULL;
282 if (procstat->files != NULL) {
283 free(procstat->files);
284 procstat->files = NULL;
288 static struct filestat *
289 filestat_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)
292 struct filestat *entry;
294 entry = calloc(1, sizeof(*entry));
299 entry->fs_typedep = typedep;
300 entry->fs_fflags = fflags;
301 entry->fs_uflags = uflags;
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;
311 static struct vnode *
312 getctty(kvm_t *kd, struct kinfo_proc *kp)
320 error = kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
323 warnx("can't read proc struct at %p for pid %d",
324 kp->ki_paddr, kp->ki_pid);
327 if (proc.p_pgrp == NULL)
329 error = kvm_read_all(kd, (unsigned long)proc.p_pgrp, &pgrp,
332 warnx("can't read pgrp struct at %p for pid %d",
333 proc.p_pgrp, kp->ki_pid);
336 error = kvm_read_all(kd, (unsigned long)pgrp.pg_session, &sess,
339 warnx("can't read session struct at %p for pid %d",
340 pgrp.pg_session, kp->ki_pid);
343 return (sess.s_ttyvp);
346 static struct filestat_list *
347 procstat_getfiles_kvm(struct procstat *procstat, struct kinfo_proc *kp, int mmapped)
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;
358 struct file **ofiles;
359 struct filestat *entry;
360 struct filestat_list *head;
371 if (kp->ki_fd == NULL)
373 if (!kvm_read_all(kd, (unsigned long)kp->ki_fd, &filed,
375 warnx("can't read filedesc at %p", (void *)kp->ki_fd);
380 * Allocate list head.
382 head = malloc(sizeof(*head));
387 /* root directory vnode, if one. */
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);
392 STAILQ_INSERT_TAIL(head, entry, next);
394 /* current working directory vnode. */
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);
399 STAILQ_INSERT_TAIL(head, entry, next);
401 /* jail root, if any. */
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);
406 STAILQ_INSERT_TAIL(head, entry, next);
408 /* ktrace vnode, if one */
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);
414 STAILQ_INSERT_TAIL(head, entry, next);
416 /* text vnode, if one */
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);
421 STAILQ_INSERT_TAIL(head, entry, next);
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);
429 STAILQ_INSERT_TAIL(head, entry, next);
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 *));
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);
445 for (i = 0; i <= filed.fd_lastfile; i++) {
446 if (ofiles[i] == NULL)
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,
454 switch (file.f_type) {
456 type = PS_FST_TYPE_VNODE;
460 type = PS_FST_TYPE_SOCKET;
464 type = PS_FST_TYPE_PIPE;
468 type = PS_FST_TYPE_FIFO;
473 type = PS_FST_TYPE_PTS;
478 type = PS_FST_TYPE_SHM;
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);
488 STAILQ_INSERT_TAIL(head, entry, next);
495 * Process mmapped files if requested.
498 if (!kvm_read_all(kd, (unsigned long)kp->ki_vmspace, &vmspace,
500 warnx("can't read vmspace at %p",
501 (void *)kp->ki_vmspace);
504 map = &vmspace.vm_map;
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,
511 warnx("can't read vm_map_entry at %p",
515 if (vmentry.eflags & MAP_ENTRY_IS_SUB_MAP)
517 if ((objp = vmentry.object.vm_object) == NULL)
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",
528 /* We want only vnode objects. */
529 if (object.type != OBJT_VNODE)
532 prot = vmentry.protection;
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;
541 * Create filestat entry.
543 entry = filestat_new_entry(object.handle,
544 PS_FST_TYPE_VNODE, -1, fflags,
545 PS_FST_UFLAG_MMAP, 0, 0, NULL, 0);
547 STAILQ_INSERT_TAIL(head, entry, next);
555 * kinfo types to filestat translation.
558 kinfo_type2fst(int kftype)
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 }
577 #define NKFTYPES (sizeof(kftypes2fst) / sizeof(*kftypes2fst))
580 for (i = 0; i < NKFTYPES; i++)
581 if (kftypes2fst[i].kf_type == kftype)
584 return (PS_FST_TYPE_UNKNOWN);
585 return (kftypes2fst[i].fst_type);
589 * kinfo flags to filestat translation.
592 kinfo_fflags2fst(int kfflags)
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 }
615 #define NKFFLAGS (sizeof(kfflags2fst) / sizeof(*kfflags2fst))
620 for (i = 0; i < NKFFLAGS; i++)
621 if ((kfflags & kfflags2fst[i].kf_flag) != 0)
622 flags |= kfflags2fst[i].fst_flag;
627 kinfo_uflags2fst(int fd)
631 case KF_FD_TYPE_CTTY:
632 return (PS_FST_UFLAG_CTTY);
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);
647 static struct filestat_list *
648 procstat_getfiles_sysctl(struct procstat *procstat, struct kinfo_proc *kp, int mmapped)
650 struct kinfo_file *kif, *files;
651 struct kinfo_vmentry *kve, *vmentries;
652 struct filestat_list *head;
653 struct filestat *entry;
659 cap_rights_t cap_rights;
662 if (kp->ki_fd == NULL)
665 files = kinfo_getfile(kp->ki_pid, &cnt);
666 if (files == NULL && errno != EPERM) {
667 warn("kinfo_getfile()");
670 procstat->files = files;
673 * Allocate list head.
675 head = malloc(sizeof(*head));
679 for (i = 0; i < cnt; i++) {
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);
692 cap_rights = kif->kf_cap_rights;
695 * Create filestat entry.
697 entry = filestat_new_entry(kif, type, fd, fflags, uflags,
698 refcount, offset, path, cap_rights);
700 STAILQ_INSERT_TAIL(head, entry, next);
703 vmentries = kinfo_getvmmap(kp->ki_pid, &cnt);
704 procstat->vmentries = vmentries;
705 if (vmentries == NULL || cnt == 0)
707 for (i = 0; i < cnt; i++) {
709 if (kve->kve_type != KVME_TYPE_VNODE)
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);
723 entry = filestat_new_entry(kve, PS_FST_TYPE_VNODE, -1,
724 fflags, PS_FST_UFLAG_MMAP, refcount, offset, path,
727 STAILQ_INSERT_TAIL(head, entry, next);
735 procstat_get_pipe_info(struct procstat *procstat, struct filestat *fst,
736 struct pipestat *ps, char *errbuf)
740 if (procstat->type == PROCSTAT_KVM) {
741 return (procstat_get_pipe_info_kvm(procstat->kd, fst, ps,
743 } else if (procstat->type == PROCSTAT_SYSCTL) {
744 return (procstat_get_pipe_info_sysctl(fst, ps, errbuf));
746 warnx("unknown access method: %d", procstat->type);
747 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
753 procstat_get_pipe_info_kvm(kvm_t *kd, struct filestat *fst,
754 struct pipestat *ps, char *errbuf)
762 bzero(ps, sizeof(*ps));
763 pipep = fst->fs_typedep;
766 if (!kvm_read_all(kd, (unsigned long)pipep, &pi, sizeof(struct pipe))) {
767 warnx("can't read pipe at %p", (void *)pipep);
770 ps->addr = (uintptr_t)pipep;
771 ps->peer = (uintptr_t)pi.pipe_peer;
772 ps->buffer_cnt = pi.pipe_buffer.cnt;
776 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
781 procstat_get_pipe_info_sysctl(struct filestat *fst, struct pipestat *ps,
782 char *errbuf __unused)
784 struct kinfo_file *kif;
788 bzero(ps, sizeof(*ps));
789 kif = fst->fs_typedep;
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;
799 procstat_get_pts_info(struct procstat *procstat, struct filestat *fst,
800 struct ptsstat *pts, char *errbuf)
804 if (procstat->type == PROCSTAT_KVM) {
805 return (procstat_get_pts_info_kvm(procstat->kd, fst, pts,
807 } else if (procstat->type == PROCSTAT_SYSCTL) {
808 return (procstat_get_pts_info_sysctl(fst, pts, errbuf));
810 warnx("unknown access method: %d", procstat->type);
811 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
817 procstat_get_pts_info_kvm(kvm_t *kd, struct filestat *fst,
818 struct ptsstat *pts, char *errbuf)
826 bzero(pts, sizeof(*pts));
827 ttyp = fst->fs_typedep;
830 if (!kvm_read_all(kd, (unsigned long)ttyp, &tty, sizeof(struct tty))) {
831 warnx("can't read tty at %p", (void *)ttyp);
834 pts->dev = dev2udev(kd, tty.t_dev);
835 (void)kdevtoname(kd, tty.t_dev, pts->devname);
839 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
844 procstat_get_pts_info_sysctl(struct filestat *fst, struct ptsstat *pts,
845 char *errbuf __unused)
847 struct kinfo_file *kif;
851 bzero(pts, sizeof(*pts));
852 kif = fst->fs_typedep;
855 pts->dev = kif->kf_un.kf_pts.kf_pts_dev;
856 strlcpy(pts->devname, kif->kf_path, sizeof(pts->devname));
861 procstat_get_shm_info(struct procstat *procstat, struct filestat *fst,
862 struct shmstat *shm, char *errbuf)
866 if (procstat->type == PROCSTAT_KVM) {
867 return (procstat_get_shm_info_kvm(procstat->kd, fst, shm,
869 } else if (procstat->type == PROCSTAT_SYSCTL) {
870 return (procstat_get_shm_info_sysctl(fst, shm, errbuf));
872 warnx("unknown access method: %d", procstat->type);
873 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
879 procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst,
880 struct shmstat *shm, char *errbuf)
890 bzero(shm, sizeof(*shm));
891 shmfdp = fst->fs_typedep;
894 if (!kvm_read_all(kd, (unsigned long)shmfdp, &shmfd,
895 sizeof(struct shmfd))) {
896 warnx("can't read shmfd at %p", (void *)shmfdp);
899 shm->mode = S_IFREG | shmfd.shm_mode;
900 shm->size = shmfd.shm_size;
901 if (fst->fs_path == NULL && shmfd.shm_path != NULL) {
902 path = malloc(MAXPATHLEN);
903 for (i = 0; i < MAXPATHLEN - 1; i++) {
904 if (!kvm_read_all(kd, (unsigned long)shmfd.shm_path + i,
919 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
924 procstat_get_shm_info_sysctl(struct filestat *fst, struct shmstat *shm,
925 char *errbuf __unused)
927 struct kinfo_file *kif;
931 bzero(shm, sizeof(*shm));
932 kif = fst->fs_typedep;
935 shm->size = kif->kf_un.kf_file.kf_file_size;
936 shm->mode = kif->kf_un.kf_file.kf_file_mode;
941 procstat_get_vnode_info(struct procstat *procstat, struct filestat *fst,
942 struct vnstat *vn, char *errbuf)
946 if (procstat->type == PROCSTAT_KVM) {
947 return (procstat_get_vnode_info_kvm(procstat->kd, fst, vn,
949 } else if (procstat->type == PROCSTAT_SYSCTL) {
950 return (procstat_get_vnode_info_sysctl(fst, vn, errbuf));
952 warnx("unknown access method: %d", procstat->type);
953 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
959 procstat_get_vnode_info_kvm(kvm_t *kd, struct filestat *fst,
960 struct vnstat *vn, char *errbuf)
962 /* Filesystem specific handlers. */
963 #define FSTYPE(fst) {#fst, fst##_filestat}
966 int (*handler)(kvm_t *kd, struct vnode *vp,
974 #ifdef LIBPROCSTAT_NWFS
980 #ifdef LIBPROCSTAT_ZFS
984 #define NTYPES (sizeof(fstypes) / sizeof(*fstypes))
994 vp = fst->fs_typedep;
997 error = kvm_read_all(kd, (unsigned long)vp, &vnode, sizeof(vnode));
999 warnx("can't read vnode at %p", (void *)vp);
1002 bzero(vn, sizeof(*vn));
1003 vn->vn_type = vntype2psfsttype(vnode.v_type);
1004 if (vnode.v_type == VNON || vnode.v_type == VBAD)
1006 error = kvm_read_all(kd, (unsigned long)vnode.v_tag, tagstr,
1009 warnx("can't read v_tag at %p", (void *)vp);
1012 tagstr[sizeof(tagstr) - 1] = '\0';
1015 * Find appropriate handler.
1017 for (i = 0, found = 0; i < NTYPES; i++)
1018 if (!strcmp(fstypes[i].tag, tagstr)) {
1019 if (fstypes[i].handler(kd, &vnode, vn) != 0) {
1025 snprintf(errbuf, _POSIX2_LINE_MAX, "?(%s)", tagstr);
1028 vn->vn_mntdir = getmnton(kd, vnode.v_mount);
1029 if ((vnode.v_type == VBLK || vnode.v_type == VCHR) &&
1030 vnode.v_rdev != NULL){
1031 vn->vn_dev = dev2udev(kd, vnode.v_rdev);
1032 (void)kdevtoname(kd, vnode.v_rdev, vn->vn_devname);
1039 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1044 * kinfo vnode type to filestat translation.
1047 kinfo_vtype2fst(int kfvtype)
1052 } kfvtypes2fst[] = {
1053 { KF_VTYPE_VBAD, PS_FST_VTYPE_VBAD },
1054 { KF_VTYPE_VBLK, PS_FST_VTYPE_VBLK },
1055 { KF_VTYPE_VCHR, PS_FST_VTYPE_VCHR },
1056 { KF_VTYPE_VDIR, PS_FST_VTYPE_VDIR },
1057 { KF_VTYPE_VFIFO, PS_FST_VTYPE_VFIFO },
1058 { KF_VTYPE_VLNK, PS_FST_VTYPE_VLNK },
1059 { KF_VTYPE_VNON, PS_FST_VTYPE_VNON },
1060 { KF_VTYPE_VREG, PS_FST_VTYPE_VREG },
1061 { KF_VTYPE_VSOCK, PS_FST_VTYPE_VSOCK }
1063 #define NKFVTYPES (sizeof(kfvtypes2fst) / sizeof(*kfvtypes2fst))
1066 for (i = 0; i < NKFVTYPES; i++)
1067 if (kfvtypes2fst[i].kf_vtype == kfvtype)
1070 return (PS_FST_VTYPE_UNKNOWN);
1071 return (kfvtypes2fst[i].fst_vtype);
1075 procstat_get_vnode_info_sysctl(struct filestat *fst, struct vnstat *vn,
1078 struct statfs stbuf;
1079 struct kinfo_file *kif;
1080 struct kinfo_vmentry *kve;
1092 bzero(vn, sizeof(*vn));
1093 if (fst->fs_typedep == NULL)
1095 if (fst->fs_uflags & PS_FST_UFLAG_MMAP) {
1096 kve = fst->fs_typedep;
1097 fileid = kve->kve_vn_fileid;
1098 fsid = kve->kve_vn_fsid;
1099 mode = kve->kve_vn_mode;
1100 path = kve->kve_path;
1101 rdev = kve->kve_vn_rdev;
1102 size = kve->kve_vn_size;
1103 vntype = kinfo_vtype2fst(kve->kve_vn_type);
1104 status = kve->kve_status;
1106 kif = fst->fs_typedep;
1107 fileid = kif->kf_un.kf_file.kf_file_fileid;
1108 fsid = kif->kf_un.kf_file.kf_file_fsid;
1109 mode = kif->kf_un.kf_file.kf_file_mode;
1110 path = kif->kf_path;
1111 rdev = kif->kf_un.kf_file.kf_file_rdev;
1112 size = kif->kf_un.kf_file.kf_file_size;
1113 vntype = kinfo_vtype2fst(kif->kf_vnode_type);
1114 status = kif->kf_status;
1116 vn->vn_type = vntype;
1117 if (vntype == PS_FST_VTYPE_VNON || vntype == PS_FST_VTYPE_VBAD)
1119 if ((status & KF_ATTR_VALID) == 0) {
1120 snprintf(errbuf, _POSIX2_LINE_MAX, "? (no info available)");
1123 if (path && *path) {
1124 statfs(path, &stbuf);
1125 vn->vn_mntdir = strdup(stbuf.f_mntonname);
1127 vn->vn_mntdir = strdup("-");
1129 if (vntype == PS_FST_VTYPE_VBLK) {
1130 name = devname(rdev, S_IFBLK);
1132 strlcpy(vn->vn_devname, name,
1133 sizeof(vn->vn_devname));
1134 } else if (vntype == PS_FST_VTYPE_VCHR) {
1135 name = devname(vn->vn_dev, S_IFCHR);
1137 strlcpy(vn->vn_devname, name,
1138 sizeof(vn->vn_devname));
1141 vn->vn_fileid = fileid;
1148 procstat_get_socket_info(struct procstat *procstat, struct filestat *fst,
1149 struct sockstat *sock, char *errbuf)
1153 if (procstat->type == PROCSTAT_KVM) {
1154 return (procstat_get_socket_info_kvm(procstat->kd, fst, sock,
1156 } else if (procstat->type == PROCSTAT_SYSCTL) {
1157 return (procstat_get_socket_info_sysctl(fst, sock, errbuf));
1159 warnx("unknown access method: %d", procstat->type);
1160 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1166 procstat_get_socket_info_kvm(kvm_t *kd, struct filestat *fst,
1167 struct sockstat *sock, char *errbuf)
1171 struct protosw proto;
1180 bzero(sock, sizeof(*sock));
1181 so = fst->fs_typedep;
1184 sock->so_addr = (uintptr_t)so;
1185 /* fill in socket */
1186 if (!kvm_read_all(kd, (unsigned long)so, &s,
1187 sizeof(struct socket))) {
1188 warnx("can't read sock at %p", (void *)so);
1191 /* fill in protosw entry */
1192 if (!kvm_read_all(kd, (unsigned long)s.so_proto, &proto,
1193 sizeof(struct protosw))) {
1194 warnx("can't read protosw at %p", (void *)s.so_proto);
1197 /* fill in domain */
1198 if (!kvm_read_all(kd, (unsigned long)proto.pr_domain, &dom,
1199 sizeof(struct domain))) {
1200 warnx("can't read domain at %p",
1201 (void *)proto.pr_domain);
1204 if ((len = kvm_read(kd, (unsigned long)dom.dom_name, sock->dname,
1205 sizeof(sock->dname) - 1)) < 0) {
1206 warnx("can't read domain name at %p", (void *)dom.dom_name);
1207 sock->dname[0] = '\0';
1210 sock->dname[len] = '\0';
1213 * Fill in known data.
1215 sock->type = s.so_type;
1216 sock->proto = proto.pr_protocol;
1217 sock->dom_family = dom.dom_family;
1218 sock->so_pcb = (uintptr_t)s.so_pcb;
1221 * Protocol specific data.
1223 switch(dom.dom_family) {
1226 if (proto.pr_protocol == IPPROTO_TCP) {
1228 if (kvm_read(kd, (u_long)s.so_pcb,
1229 (char *)&inpcb, sizeof(struct inpcb))
1230 != sizeof(struct inpcb)) {
1231 warnx("can't read inpcb at %p",
1235 (uintptr_t)inpcb.inp_ppcb;
1241 if (kvm_read(kd, (u_long)s.so_pcb, (char *)&unpcb,
1242 sizeof(struct unpcb)) != sizeof(struct unpcb)){
1243 warnx("can't read unpcb at %p",
1245 } else if (unpcb.unp_conn) {
1246 sock->so_rcv_sb_state = s.so_rcv.sb_state;
1247 sock->so_snd_sb_state = s.so_snd.sb_state;
1248 sock->unp_conn = (uintptr_t)unpcb.unp_conn;
1258 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1263 procstat_get_socket_info_sysctl(struct filestat *fst, struct sockstat *sock,
1264 char *errbuf __unused)
1266 struct kinfo_file *kif;
1270 bzero(sock, sizeof(*sock));
1271 kif = fst->fs_typedep;
1276 * Fill in known data.
1278 sock->type = kif->kf_sock_type;
1279 sock->proto = kif->kf_sock_protocol;
1280 sock->dom_family = kif->kf_sock_domain;
1281 sock->so_pcb = kif->kf_un.kf_sock.kf_sock_pcb;
1282 strlcpy(sock->dname, kif->kf_path, sizeof(sock->dname));
1283 bcopy(&kif->kf_sa_local, &sock->sa_local, kif->kf_sa_local.ss_len);
1284 bcopy(&kif->kf_sa_peer, &sock->sa_peer, kif->kf_sa_peer.ss_len);
1287 * Protocol specific data.
1289 switch(sock->dom_family) {
1292 if (sock->proto == IPPROTO_TCP)
1293 sock->inp_ppcb = kif->kf_un.kf_sock.kf_sock_inpcb;
1296 if (kif->kf_un.kf_sock.kf_sock_unpconn != 0) {
1297 sock->so_rcv_sb_state =
1298 kif->kf_un.kf_sock.kf_sock_rcv_sb_state;
1299 sock->so_snd_sb_state =
1300 kif->kf_un.kf_sock.kf_sock_snd_sb_state;
1302 kif->kf_un.kf_sock.kf_sock_unpconn;
1312 * Descriptor flags to filestat translation.
1315 to_filestat_flags(int flags)
1321 { FREAD, PS_FST_FFLAG_READ },
1322 { FWRITE, PS_FST_FFLAG_WRITE },
1323 { O_APPEND, PS_FST_FFLAG_APPEND },
1324 { O_ASYNC, PS_FST_FFLAG_ASYNC },
1325 { O_CREAT, PS_FST_FFLAG_CREAT },
1326 { O_DIRECT, PS_FST_FFLAG_DIRECT },
1327 { O_EXCL, PS_FST_FFLAG_EXCL },
1328 { O_EXEC, PS_FST_FFLAG_EXEC },
1329 { O_EXLOCK, PS_FST_FFLAG_EXLOCK },
1330 { O_NOFOLLOW, PS_FST_FFLAG_NOFOLLOW },
1331 { O_NONBLOCK, PS_FST_FFLAG_NONBLOCK },
1332 { O_SHLOCK, PS_FST_FFLAG_SHLOCK },
1333 { O_SYNC, PS_FST_FFLAG_SYNC },
1334 { O_TRUNC, PS_FST_FFLAG_TRUNC }
1336 #define NFSTFLAGS (sizeof(fstflags) / sizeof(*fstflags))
1341 for (i = 0; i < NFSTFLAGS; i++)
1342 if (flags & fstflags[i].flag)
1343 fst_flags |= fstflags[i].fst_flag;
1348 * Vnode type to filestate translation.
1351 vntype2psfsttype(int type)
1357 { VBAD, PS_FST_VTYPE_VBAD },
1358 { VBLK, PS_FST_VTYPE_VBLK },
1359 { VCHR, PS_FST_VTYPE_VCHR },
1360 { VDIR, PS_FST_VTYPE_VDIR },
1361 { VFIFO, PS_FST_VTYPE_VFIFO },
1362 { VLNK, PS_FST_VTYPE_VLNK },
1363 { VNON, PS_FST_VTYPE_VNON },
1364 { VREG, PS_FST_VTYPE_VREG },
1365 { VSOCK, PS_FST_VTYPE_VSOCK }
1367 #define NVFTYPES (sizeof(vt2fst) / sizeof(*vt2fst))
1368 unsigned int i, fst_type;
1370 fst_type = PS_FST_VTYPE_UNKNOWN;
1371 for (i = 0; i < NVFTYPES; i++) {
1372 if (type == vt2fst[i].vtype) {
1373 fst_type = vt2fst[i].fst_vtype;
1381 getmnton(kvm_t *kd, struct mount *m)
1384 static struct mtab {
1387 char mntonname[MNAMELEN + 1];
1391 for (mt = mhead; mt != NULL; mt = mt->next)
1393 return (mt->mntonname);
1394 if (!kvm_read_all(kd, (unsigned long)m, &mnt, sizeof(struct mount))) {
1395 warnx("can't read mount table at %p", (void *)m);
1398 if ((mt = malloc(sizeof (struct mtab))) == NULL)
1401 bcopy(&mnt.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN);
1402 mt->mntonname[MNAMELEN] = '\0';
1405 return (mt->mntonname);