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>
41 #include <sys/resourcevar.h>
43 #include <sys/ucred.h>
48 #include <sys/vnode.h>
49 #include <sys/socket.h>
50 #include <sys/socketvar.h>
51 #include <sys/domain.h>
52 #include <sys/protosw.h>
54 #include <sys/unpcb.h>
55 #include <sys/sysctl.h>
57 #include <sys/filedesc.h>
58 #include <sys/queue.h>
65 #include <sys/mount.h>
67 #include <ufs/ufs/quota.h>
68 #include <ufs/ufs/inode.h>
69 #include <fs/devfs/devfs.h>
70 #include <fs/devfs/devfs_int.h>
72 #include <nfs/nfsproto.h>
73 #include <nfsclient/nfs.h>
74 #include <nfsclient/nfsnode.h>
77 #include <vm/vm_map.h>
78 #include <vm/vm_object.h>
80 #include <net/route.h>
81 #include <netinet/in.h>
82 #include <netinet/in_systm.h>
83 #include <netinet/ip.h>
84 #include <netinet/in_pcb.h>
102 #include <libprocstat.h>
103 #include "libprocstat_internal.h"
104 #include "common_kvm.h"
107 int statfs(const char *, struct statfs *); /* XXX */
109 #define PROCSTAT_KVM 1
110 #define PROCSTAT_SYSCTL 2
111 #define PROCSTAT_CORE 3
113 static char **getargv(struct procstat *procstat, struct kinfo_proc *kp,
114 size_t nchr, int env);
115 static char *getmnton(kvm_t *kd, struct mount *m);
116 static struct kinfo_vmentry * kinfo_getvmmap_core(struct procstat_core *core,
118 static Elf_Auxinfo *procstat_getauxv_core(struct procstat_core *core,
120 static Elf_Auxinfo *procstat_getauxv_sysctl(pid_t pid, unsigned int *cntp);
121 static struct filestat_list *procstat_getfiles_kvm(
122 struct procstat *procstat, struct kinfo_proc *kp, int mmapped);
123 static struct filestat_list *procstat_getfiles_sysctl(
124 struct procstat *procstat, struct kinfo_proc *kp, int mmapped);
125 static int procstat_get_pipe_info_sysctl(struct filestat *fst,
126 struct pipestat *pipe, char *errbuf);
127 static int procstat_get_pipe_info_kvm(kvm_t *kd, struct filestat *fst,
128 struct pipestat *pipe, char *errbuf);
129 static int procstat_get_pts_info_sysctl(struct filestat *fst,
130 struct ptsstat *pts, char *errbuf);
131 static int procstat_get_pts_info_kvm(kvm_t *kd, struct filestat *fst,
132 struct ptsstat *pts, char *errbuf);
133 static int procstat_get_sem_info_sysctl(struct filestat *fst,
134 struct semstat *sem, char *errbuf);
135 static int procstat_get_sem_info_kvm(kvm_t *kd, struct filestat *fst,
136 struct semstat *sem, char *errbuf);
137 static int procstat_get_shm_info_sysctl(struct filestat *fst,
138 struct shmstat *shm, char *errbuf);
139 static int procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst,
140 struct shmstat *shm, char *errbuf);
141 static int procstat_get_socket_info_sysctl(struct filestat *fst,
142 struct sockstat *sock, char *errbuf);
143 static int procstat_get_socket_info_kvm(kvm_t *kd, struct filestat *fst,
144 struct sockstat *sock, char *errbuf);
145 static int to_filestat_flags(int flags);
146 static int procstat_get_vnode_info_kvm(kvm_t *kd, struct filestat *fst,
147 struct vnstat *vn, char *errbuf);
148 static int procstat_get_vnode_info_sysctl(struct filestat *fst,
149 struct vnstat *vn, char *errbuf);
150 static gid_t *procstat_getgroups_core(struct procstat_core *core,
151 unsigned int *count);
152 static gid_t * procstat_getgroups_kvm(kvm_t *kd, struct kinfo_proc *kp,
153 unsigned int *count);
154 static gid_t *procstat_getgroups_sysctl(pid_t pid, unsigned int *count);
155 static struct kinfo_kstack *procstat_getkstack_sysctl(pid_t pid,
157 static int procstat_getosrel_core(struct procstat_core *core,
159 static int procstat_getosrel_kvm(kvm_t *kd, struct kinfo_proc *kp,
161 static int procstat_getosrel_sysctl(pid_t pid, int *osrelp);
162 static int procstat_getpathname_core(struct procstat_core *core,
163 char *pathname, size_t maxlen);
164 static int procstat_getpathname_sysctl(pid_t pid, char *pathname,
166 static int procstat_getrlimit_core(struct procstat_core *core, int which,
167 struct rlimit* rlimit);
168 static int procstat_getrlimit_kvm(kvm_t *kd, struct kinfo_proc *kp,
169 int which, struct rlimit* rlimit);
170 static int procstat_getrlimit_sysctl(pid_t pid, int which,
171 struct rlimit* rlimit);
172 static int procstat_getumask_core(struct procstat_core *core,
173 unsigned short *maskp);
174 static int procstat_getumask_kvm(kvm_t *kd, struct kinfo_proc *kp,
175 unsigned short *maskp);
176 static int procstat_getumask_sysctl(pid_t pid, unsigned short *maskp);
177 static int vntype2psfsttype(int type);
180 procstat_close(struct procstat *procstat)
184 if (procstat->type == PROCSTAT_KVM)
185 kvm_close(procstat->kd);
186 else if (procstat->type == PROCSTAT_CORE)
187 procstat_core_close(procstat->core);
188 procstat_freeargv(procstat);
189 procstat_freeenvv(procstat);
194 procstat_open_sysctl(void)
196 struct procstat *procstat;
198 procstat = calloc(1, sizeof(*procstat));
199 if (procstat == NULL) {
203 procstat->type = PROCSTAT_SYSCTL;
208 procstat_open_kvm(const char *nlistf, const char *memf)
210 struct procstat *procstat;
212 char buf[_POSIX2_LINE_MAX];
214 procstat = calloc(1, sizeof(*procstat));
215 if (procstat == NULL) {
219 kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf);
221 warnx("kvm_openfiles(): %s", buf);
225 procstat->type = PROCSTAT_KVM;
231 procstat_open_core(const char *filename)
233 struct procstat *procstat;
234 struct procstat_core *core;
236 procstat = calloc(1, sizeof(*procstat));
237 if (procstat == NULL) {
241 core = procstat_core_open(filename);
246 procstat->type = PROCSTAT_CORE;
247 procstat->core = core;
252 procstat_getprocs(struct procstat *procstat, int what, int arg,
255 struct kinfo_proc *p0, *p;
264 if (procstat->type == PROCSTAT_KVM) {
266 p0 = kvm_getprocs(procstat->kd, what, arg, &cnt);
267 if (p0 == NULL || cnt <= 0)
270 len = *count * sizeof(*p);
273 warnx("malloc(%zu)", len);
278 } else if (procstat->type == PROCSTAT_SYSCTL) {
284 error = sysctl(name, 4, NULL, &len, NULL, 0);
285 if (error < 0 && errno != EPERM) {
286 warn("sysctl(kern.proc)");
290 warnx("no processes?");
295 p = reallocf(p, len);
297 warnx("reallocf(%zu)", len);
301 error = sysctl(name, 4, p, &len, NULL, 0);
302 } while (error < 0 && errno == ENOMEM && olen == len);
303 if (error < 0 && errno != EPERM) {
304 warn("sysctl(kern.proc)");
307 /* Perform simple consistency checks. */
308 if ((len % sizeof(*p)) != 0 || p->ki_structsize != sizeof(*p)) {
309 warnx("kinfo_proc structure size mismatch (len = %zu)", len);
312 *count = len / sizeof(*p);
314 } else if (procstat->type == PROCSTAT_CORE) {
315 p = procstat_core_get(procstat->core, PSC_TYPE_PROC, NULL,
317 if ((len % sizeof(*p)) != 0 || p->ki_structsize != sizeof(*p)) {
318 warnx("kinfo_proc structure size mismatch");
321 *count = len / sizeof(*p);
324 warnx("unknown access method: %d", procstat->type);
334 procstat_freeprocs(struct procstat *procstat __unused, struct kinfo_proc *p)
342 struct filestat_list *
343 procstat_getfiles(struct procstat *procstat, struct kinfo_proc *kp, int mmapped)
346 switch(procstat->type) {
348 return (procstat_getfiles_kvm(procstat, kp, mmapped));
349 case PROCSTAT_SYSCTL:
351 return (procstat_getfiles_sysctl(procstat, kp, mmapped));
353 warnx("unknown access method: %d", procstat->type);
359 procstat_freefiles(struct procstat *procstat, struct filestat_list *head)
361 struct filestat *fst, *tmp;
363 STAILQ_FOREACH_SAFE(fst, head, next, tmp) {
364 if (fst->fs_path != NULL)
369 if (procstat->vmentries != NULL) {
370 free(procstat->vmentries);
371 procstat->vmentries = NULL;
373 if (procstat->files != NULL) {
374 free(procstat->files);
375 procstat->files = NULL;
379 static struct filestat *
380 filestat_new_entry(void *typedep, int type, int fd, int fflags, int uflags,
381 int refcount, off_t offset, char *path, cap_rights_t cap_rights)
383 struct filestat *entry;
385 entry = calloc(1, sizeof(*entry));
390 entry->fs_typedep = typedep;
391 entry->fs_fflags = fflags;
392 entry->fs_uflags = uflags;
394 entry->fs_type = type;
395 entry->fs_ref_count = refcount;
396 entry->fs_offset = offset;
397 entry->fs_path = path;
398 entry->fs_cap_rights = cap_rights;
402 static struct vnode *
403 getctty(kvm_t *kd, struct kinfo_proc *kp)
411 error = kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
414 warnx("can't read proc struct at %p for pid %d",
415 kp->ki_paddr, kp->ki_pid);
418 if (proc.p_pgrp == NULL)
420 error = kvm_read_all(kd, (unsigned long)proc.p_pgrp, &pgrp,
423 warnx("can't read pgrp struct at %p for pid %d",
424 proc.p_pgrp, kp->ki_pid);
427 error = kvm_read_all(kd, (unsigned long)pgrp.pg_session, &sess,
430 warnx("can't read session struct at %p for pid %d",
431 pgrp.pg_session, kp->ki_pid);
434 return (sess.s_ttyvp);
437 static struct filestat_list *
438 procstat_getfiles_kvm(struct procstat *procstat, struct kinfo_proc *kp, int mmapped)
441 struct filedesc filed;
442 struct vm_map_entry vmentry;
443 struct vm_object object;
444 struct vmspace vmspace;
445 vm_map_entry_t entryp;
449 struct file **ofiles;
450 struct filestat *entry;
451 struct filestat_list *head;
462 if (kp->ki_fd == NULL)
464 if (!kvm_read_all(kd, (unsigned long)kp->ki_fd, &filed,
466 warnx("can't read filedesc at %p", (void *)kp->ki_fd);
471 * Allocate list head.
473 head = malloc(sizeof(*head));
478 /* root directory vnode, if one. */
480 entry = filestat_new_entry(filed.fd_rdir, PS_FST_TYPE_VNODE, -1,
481 PS_FST_FFLAG_READ, PS_FST_UFLAG_RDIR, 0, 0, NULL, 0);
483 STAILQ_INSERT_TAIL(head, entry, next);
485 /* current working directory vnode. */
487 entry = filestat_new_entry(filed.fd_cdir, PS_FST_TYPE_VNODE, -1,
488 PS_FST_FFLAG_READ, PS_FST_UFLAG_CDIR, 0, 0, NULL, 0);
490 STAILQ_INSERT_TAIL(head, entry, next);
492 /* jail root, if any. */
494 entry = filestat_new_entry(filed.fd_jdir, PS_FST_TYPE_VNODE, -1,
495 PS_FST_FFLAG_READ, PS_FST_UFLAG_JAIL, 0, 0, NULL, 0);
497 STAILQ_INSERT_TAIL(head, entry, next);
499 /* ktrace vnode, if one */
501 entry = filestat_new_entry(kp->ki_tracep, PS_FST_TYPE_VNODE, -1,
502 PS_FST_FFLAG_READ | PS_FST_FFLAG_WRITE,
503 PS_FST_UFLAG_TRACE, 0, 0, NULL, 0);
505 STAILQ_INSERT_TAIL(head, entry, next);
507 /* text vnode, if one */
509 entry = filestat_new_entry(kp->ki_textvp, PS_FST_TYPE_VNODE, -1,
510 PS_FST_FFLAG_READ, PS_FST_UFLAG_TEXT, 0, 0, NULL, 0);
512 STAILQ_INSERT_TAIL(head, entry, next);
514 /* Controlling terminal. */
515 if ((vp = getctty(kd, kp)) != NULL) {
516 entry = filestat_new_entry(vp, PS_FST_TYPE_VNODE, -1,
517 PS_FST_FFLAG_READ | PS_FST_FFLAG_WRITE,
518 PS_FST_UFLAG_CTTY, 0, 0, NULL, 0);
520 STAILQ_INSERT_TAIL(head, entry, next);
523 nfiles = filed.fd_lastfile + 1;
524 ofiles = malloc(nfiles * sizeof(struct file *));
525 if (ofiles == NULL) {
526 warn("malloc(%zu)", nfiles * sizeof(struct file *));
529 if (!kvm_read_all(kd, (unsigned long)filed.fd_ofiles, ofiles,
530 nfiles * sizeof(struct file *))) {
531 warnx("cannot read file structures at %p",
532 (void *)filed.fd_ofiles);
536 for (i = 0; i <= filed.fd_lastfile; i++) {
537 if (ofiles[i] == NULL)
539 if (!kvm_read_all(kd, (unsigned long)ofiles[i], &file,
540 sizeof(struct file))) {
541 warnx("can't read file %d at %p", i,
545 switch (file.f_type) {
547 type = PS_FST_TYPE_VNODE;
551 type = PS_FST_TYPE_SOCKET;
555 type = PS_FST_TYPE_PIPE;
559 type = PS_FST_TYPE_FIFO;
564 type = PS_FST_TYPE_PTS;
569 type = PS_FST_TYPE_SEM;
573 type = PS_FST_TYPE_SHM;
579 /* XXXRW: No capability rights support for kvm yet. */
580 entry = filestat_new_entry(data, type, i,
581 to_filestat_flags(file.f_flag), 0, 0, 0, NULL, 0);
583 STAILQ_INSERT_TAIL(head, entry, next);
590 * Process mmapped files if requested.
593 if (!kvm_read_all(kd, (unsigned long)kp->ki_vmspace, &vmspace,
595 warnx("can't read vmspace at %p",
596 (void *)kp->ki_vmspace);
599 map = &vmspace.vm_map;
601 for (entryp = map->header.next;
602 entryp != &kp->ki_vmspace->vm_map.header;
603 entryp = vmentry.next) {
604 if (!kvm_read_all(kd, (unsigned long)entryp, &vmentry,
606 warnx("can't read vm_map_entry at %p",
610 if (vmentry.eflags & MAP_ENTRY_IS_SUB_MAP)
612 if ((objp = vmentry.object.vm_object) == NULL)
614 for (; objp; objp = object.backing_object) {
615 if (!kvm_read_all(kd, (unsigned long)objp,
616 &object, sizeof(object))) {
617 warnx("can't read vm_object at %p",
623 /* We want only vnode objects. */
624 if (object.type != OBJT_VNODE)
627 prot = vmentry.protection;
629 if (prot & VM_PROT_READ)
630 fflags = PS_FST_FFLAG_READ;
631 if ((vmentry.eflags & MAP_ENTRY_COW) == 0 &&
632 prot & VM_PROT_WRITE)
633 fflags |= PS_FST_FFLAG_WRITE;
636 * Create filestat entry.
638 entry = filestat_new_entry(object.handle,
639 PS_FST_TYPE_VNODE, -1, fflags,
640 PS_FST_UFLAG_MMAP, 0, 0, NULL, 0);
642 STAILQ_INSERT_TAIL(head, entry, next);
650 * kinfo types to filestat translation.
653 kinfo_type2fst(int kftype)
659 { KF_TYPE_CRYPTO, PS_FST_TYPE_CRYPTO },
660 { KF_TYPE_FIFO, PS_FST_TYPE_FIFO },
661 { KF_TYPE_KQUEUE, PS_FST_TYPE_KQUEUE },
662 { KF_TYPE_MQUEUE, PS_FST_TYPE_MQUEUE },
663 { KF_TYPE_NONE, PS_FST_TYPE_NONE },
664 { KF_TYPE_PIPE, PS_FST_TYPE_PIPE },
665 { KF_TYPE_PTS, PS_FST_TYPE_PTS },
666 { KF_TYPE_SEM, PS_FST_TYPE_SEM },
667 { KF_TYPE_SHM, PS_FST_TYPE_SHM },
668 { KF_TYPE_SOCKET, PS_FST_TYPE_SOCKET },
669 { KF_TYPE_VNODE, PS_FST_TYPE_VNODE },
670 { KF_TYPE_UNKNOWN, PS_FST_TYPE_UNKNOWN }
672 #define NKFTYPES (sizeof(kftypes2fst) / sizeof(*kftypes2fst))
675 for (i = 0; i < NKFTYPES; i++)
676 if (kftypes2fst[i].kf_type == kftype)
679 return (PS_FST_TYPE_UNKNOWN);
680 return (kftypes2fst[i].fst_type);
684 * kinfo flags to filestat translation.
687 kinfo_fflags2fst(int kfflags)
693 { KF_FLAG_APPEND, PS_FST_FFLAG_APPEND },
694 { KF_FLAG_ASYNC, PS_FST_FFLAG_ASYNC },
695 { KF_FLAG_CAPABILITY, PS_FST_FFLAG_CAPABILITY },
696 { KF_FLAG_CREAT, PS_FST_FFLAG_CREAT },
697 { KF_FLAG_DIRECT, PS_FST_FFLAG_DIRECT },
698 { KF_FLAG_EXCL, PS_FST_FFLAG_EXCL },
699 { KF_FLAG_EXEC, PS_FST_FFLAG_EXEC },
700 { KF_FLAG_EXLOCK, PS_FST_FFLAG_EXLOCK },
701 { KF_FLAG_FSYNC, PS_FST_FFLAG_SYNC },
702 { KF_FLAG_HASLOCK, PS_FST_FFLAG_HASLOCK },
703 { KF_FLAG_NOFOLLOW, PS_FST_FFLAG_NOFOLLOW },
704 { KF_FLAG_NONBLOCK, PS_FST_FFLAG_NONBLOCK },
705 { KF_FLAG_READ, PS_FST_FFLAG_READ },
706 { KF_FLAG_SHLOCK, PS_FST_FFLAG_SHLOCK },
707 { KF_FLAG_TRUNC, PS_FST_FFLAG_TRUNC },
708 { KF_FLAG_WRITE, PS_FST_FFLAG_WRITE }
710 #define NKFFLAGS (sizeof(kfflags2fst) / sizeof(*kfflags2fst))
715 for (i = 0; i < NKFFLAGS; i++)
716 if ((kfflags & kfflags2fst[i].kf_flag) != 0)
717 flags |= kfflags2fst[i].fst_flag;
722 kinfo_uflags2fst(int fd)
726 case KF_FD_TYPE_CTTY:
727 return (PS_FST_UFLAG_CTTY);
729 return (PS_FST_UFLAG_CDIR);
730 case KF_FD_TYPE_JAIL:
731 return (PS_FST_UFLAG_JAIL);
732 case KF_FD_TYPE_TEXT:
733 return (PS_FST_UFLAG_TEXT);
734 case KF_FD_TYPE_TRACE:
735 return (PS_FST_UFLAG_TRACE);
736 case KF_FD_TYPE_ROOT:
737 return (PS_FST_UFLAG_RDIR);
742 static struct kinfo_file *
743 kinfo_getfile_core(struct procstat_core *core, int *cntp)
748 struct kinfo_file *kif, *kp, *kf;
750 buf = procstat_core_get(core, PSC_TYPE_FILES, NULL, &len);
754 * XXXMG: The code below is just copy&past from libutil.
755 * The code duplication can be avoided if libutil
756 * is extended to provide something like:
757 * struct kinfo_file *kinfo_getfile_from_buf(const char *buf,
758 * size_t len, int *cntp);
761 /* Pass 1: count items */
766 kf = (struct kinfo_file *)(uintptr_t)bp;
767 bp += kf->kf_structsize;
771 kif = calloc(cnt, sizeof(*kif));
781 kf = (struct kinfo_file *)(uintptr_t)bp;
782 /* Copy/expand into pre-zeroed buffer */
783 memcpy(kp, kf, kf->kf_structsize);
784 /* Advance to next packed record */
785 bp += kf->kf_structsize;
786 /* Set field size to fixed length, advance */
787 kp->kf_structsize = sizeof(*kp);
792 return (kif); /* Caller must free() return value */
795 static struct filestat_list *
796 procstat_getfiles_sysctl(struct procstat *procstat, struct kinfo_proc *kp,
799 struct kinfo_file *kif, *files;
800 struct kinfo_vmentry *kve, *vmentries;
801 struct filestat_list *head;
802 struct filestat *entry;
808 cap_rights_t cap_rights;
811 if (kp->ki_fd == NULL)
813 switch(procstat->type) {
814 case PROCSTAT_SYSCTL:
815 files = kinfo_getfile(kp->ki_pid, &cnt);
818 files = kinfo_getfile_core(procstat->core, &cnt);
821 assert(!"invalid type");
823 if (files == NULL && errno != EPERM) {
824 warn("kinfo_getfile()");
827 procstat->files = files;
830 * Allocate list head.
832 head = malloc(sizeof(*head));
836 for (i = 0; i < cnt; i++) {
839 type = kinfo_type2fst(kif->kf_type);
840 fd = kif->kf_fd >= 0 ? kif->kf_fd : -1;
841 fflags = kinfo_fflags2fst(kif->kf_flags);
842 uflags = kinfo_uflags2fst(kif->kf_fd);
843 refcount = kif->kf_ref_count;
844 offset = kif->kf_offset;
845 if (*kif->kf_path != '\0')
846 path = strdup(kif->kf_path);
849 cap_rights = kif->kf_cap_rights;
852 * Create filestat entry.
854 entry = filestat_new_entry(kif, type, fd, fflags, uflags,
855 refcount, offset, path, cap_rights);
857 STAILQ_INSERT_TAIL(head, entry, next);
860 vmentries = procstat_getvmmap(procstat, kp, &cnt);
861 procstat->vmentries = vmentries;
862 if (vmentries == NULL || cnt == 0)
864 for (i = 0; i < cnt; i++) {
866 if (kve->kve_type != KVME_TYPE_VNODE)
869 if (kve->kve_protection & KVME_PROT_READ)
870 fflags = PS_FST_FFLAG_READ;
871 if ((kve->kve_flags & KVME_FLAG_COW) == 0 &&
872 kve->kve_protection & KVME_PROT_WRITE)
873 fflags |= PS_FST_FFLAG_WRITE;
874 offset = kve->kve_offset;
875 refcount = kve->kve_ref_count;
876 if (*kve->kve_path != '\0')
877 path = strdup(kve->kve_path);
880 entry = filestat_new_entry(kve, PS_FST_TYPE_VNODE, -1,
881 fflags, PS_FST_UFLAG_MMAP, refcount, offset, path,
884 STAILQ_INSERT_TAIL(head, entry, next);
892 procstat_get_pipe_info(struct procstat *procstat, struct filestat *fst,
893 struct pipestat *ps, char *errbuf)
897 if (procstat->type == PROCSTAT_KVM) {
898 return (procstat_get_pipe_info_kvm(procstat->kd, fst, ps,
900 } else if (procstat->type == PROCSTAT_SYSCTL ||
901 procstat->type == PROCSTAT_CORE) {
902 return (procstat_get_pipe_info_sysctl(fst, ps, errbuf));
904 warnx("unknown access method: %d", procstat->type);
906 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
912 procstat_get_pipe_info_kvm(kvm_t *kd, struct filestat *fst,
913 struct pipestat *ps, char *errbuf)
921 bzero(ps, sizeof(*ps));
922 pipep = fst->fs_typedep;
925 if (!kvm_read_all(kd, (unsigned long)pipep, &pi, sizeof(struct pipe))) {
926 warnx("can't read pipe at %p", (void *)pipep);
929 ps->addr = (uintptr_t)pipep;
930 ps->peer = (uintptr_t)pi.pipe_peer;
931 ps->buffer_cnt = pi.pipe_buffer.cnt;
936 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
941 procstat_get_pipe_info_sysctl(struct filestat *fst, struct pipestat *ps,
942 char *errbuf __unused)
944 struct kinfo_file *kif;
948 bzero(ps, sizeof(*ps));
949 kif = fst->fs_typedep;
952 ps->addr = kif->kf_un.kf_pipe.kf_pipe_addr;
953 ps->peer = kif->kf_un.kf_pipe.kf_pipe_peer;
954 ps->buffer_cnt = kif->kf_un.kf_pipe.kf_pipe_buffer_cnt;
959 procstat_get_pts_info(struct procstat *procstat, struct filestat *fst,
960 struct ptsstat *pts, char *errbuf)
964 if (procstat->type == PROCSTAT_KVM) {
965 return (procstat_get_pts_info_kvm(procstat->kd, fst, pts,
967 } else if (procstat->type == PROCSTAT_SYSCTL ||
968 procstat->type == PROCSTAT_CORE) {
969 return (procstat_get_pts_info_sysctl(fst, pts, errbuf));
971 warnx("unknown access method: %d", procstat->type);
973 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
979 procstat_get_pts_info_kvm(kvm_t *kd, struct filestat *fst,
980 struct ptsstat *pts, char *errbuf)
988 bzero(pts, sizeof(*pts));
989 ttyp = fst->fs_typedep;
992 if (!kvm_read_all(kd, (unsigned long)ttyp, &tty, sizeof(struct tty))) {
993 warnx("can't read tty at %p", (void *)ttyp);
996 pts->dev = dev2udev(kd, tty.t_dev);
997 (void)kdevtoname(kd, tty.t_dev, pts->devname);
1002 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1007 procstat_get_pts_info_sysctl(struct filestat *fst, struct ptsstat *pts,
1008 char *errbuf __unused)
1010 struct kinfo_file *kif;
1014 bzero(pts, sizeof(*pts));
1015 kif = fst->fs_typedep;
1018 pts->dev = kif->kf_un.kf_pts.kf_pts_dev;
1019 strlcpy(pts->devname, kif->kf_path, sizeof(pts->devname));
1024 procstat_get_sem_info(struct procstat *procstat, struct filestat *fst,
1025 struct semstat *sem, char *errbuf)
1029 if (procstat->type == PROCSTAT_KVM) {
1030 return (procstat_get_sem_info_kvm(procstat->kd, fst, sem,
1032 } else if (procstat->type == PROCSTAT_SYSCTL ||
1033 procstat->type == PROCSTAT_CORE) {
1034 return (procstat_get_sem_info_sysctl(fst, sem, errbuf));
1036 warnx("unknown access method: %d", procstat->type);
1038 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1044 procstat_get_sem_info_kvm(kvm_t *kd, struct filestat *fst,
1045 struct semstat *sem, char *errbuf)
1055 bzero(sem, sizeof(*sem));
1056 ksemp = fst->fs_typedep;
1059 if (!kvm_read_all(kd, (unsigned long)ksemp, &ksem,
1060 sizeof(struct ksem))) {
1061 warnx("can't read ksem at %p", (void *)ksemp);
1064 sem->mode = S_IFREG | ksem.ks_mode;
1065 sem->value = ksem.ks_value;
1066 if (fst->fs_path == NULL && ksem.ks_path != NULL) {
1067 path = malloc(MAXPATHLEN);
1068 for (i = 0; i < MAXPATHLEN - 1; i++) {
1069 if (!kvm_read_all(kd, (unsigned long)ksem.ks_path + i,
1072 if (path[i] == '\0')
1079 fst->fs_path = path;
1085 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1090 procstat_get_sem_info_sysctl(struct filestat *fst, struct semstat *sem,
1091 char *errbuf __unused)
1093 struct kinfo_file *kif;
1097 bzero(sem, sizeof(*sem));
1098 kif = fst->fs_typedep;
1101 sem->value = kif->kf_un.kf_sem.kf_sem_value;
1102 sem->mode = kif->kf_un.kf_sem.kf_sem_mode;
1107 procstat_get_shm_info(struct procstat *procstat, struct filestat *fst,
1108 struct shmstat *shm, char *errbuf)
1112 if (procstat->type == PROCSTAT_KVM) {
1113 return (procstat_get_shm_info_kvm(procstat->kd, fst, shm,
1115 } else if (procstat->type == PROCSTAT_SYSCTL ||
1116 procstat->type == PROCSTAT_CORE) {
1117 return (procstat_get_shm_info_sysctl(fst, shm, errbuf));
1119 warnx("unknown access method: %d", procstat->type);
1121 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1127 procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst,
1128 struct shmstat *shm, char *errbuf)
1138 bzero(shm, sizeof(*shm));
1139 shmfdp = fst->fs_typedep;
1142 if (!kvm_read_all(kd, (unsigned long)shmfdp, &shmfd,
1143 sizeof(struct shmfd))) {
1144 warnx("can't read shmfd at %p", (void *)shmfdp);
1147 shm->mode = S_IFREG | shmfd.shm_mode;
1148 shm->size = shmfd.shm_size;
1149 if (fst->fs_path == NULL && shmfd.shm_path != NULL) {
1150 path = malloc(MAXPATHLEN);
1151 for (i = 0; i < MAXPATHLEN - 1; i++) {
1152 if (!kvm_read_all(kd, (unsigned long)shmfd.shm_path + i,
1155 if (path[i] == '\0')
1162 fst->fs_path = path;
1168 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1173 procstat_get_shm_info_sysctl(struct filestat *fst, struct shmstat *shm,
1174 char *errbuf __unused)
1176 struct kinfo_file *kif;
1180 bzero(shm, sizeof(*shm));
1181 kif = fst->fs_typedep;
1184 shm->size = kif->kf_un.kf_file.kf_file_size;
1185 shm->mode = kif->kf_un.kf_file.kf_file_mode;
1190 procstat_get_vnode_info(struct procstat *procstat, struct filestat *fst,
1191 struct vnstat *vn, char *errbuf)
1195 if (procstat->type == PROCSTAT_KVM) {
1196 return (procstat_get_vnode_info_kvm(procstat->kd, fst, vn,
1198 } else if (procstat->type == PROCSTAT_SYSCTL ||
1199 procstat->type == PROCSTAT_CORE) {
1200 return (procstat_get_vnode_info_sysctl(fst, vn, errbuf));
1202 warnx("unknown access method: %d", procstat->type);
1204 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1210 procstat_get_vnode_info_kvm(kvm_t *kd, struct filestat *fst,
1211 struct vnstat *vn, char *errbuf)
1213 /* Filesystem specific handlers. */
1214 #define FSTYPE(fst) {#fst, fst##_filestat}
1217 int (*handler)(kvm_t *kd, struct vnode *vp,
1225 #ifdef LIBPROCSTAT_NWFS
1231 #ifdef LIBPROCSTAT_ZFS
1235 #define NTYPES (sizeof(fstypes) / sizeof(*fstypes))
1245 vp = fst->fs_typedep;
1248 error = kvm_read_all(kd, (unsigned long)vp, &vnode, sizeof(vnode));
1250 warnx("can't read vnode at %p", (void *)vp);
1253 bzero(vn, sizeof(*vn));
1254 vn->vn_type = vntype2psfsttype(vnode.v_type);
1255 if (vnode.v_type == VNON || vnode.v_type == VBAD)
1257 error = kvm_read_all(kd, (unsigned long)vnode.v_tag, tagstr,
1260 warnx("can't read v_tag at %p", (void *)vp);
1263 tagstr[sizeof(tagstr) - 1] = '\0';
1266 * Find appropriate handler.
1268 for (i = 0, found = 0; i < NTYPES; i++)
1269 if (!strcmp(fstypes[i].tag, tagstr)) {
1270 if (fstypes[i].handler(kd, &vnode, vn) != 0) {
1277 snprintf(errbuf, _POSIX2_LINE_MAX, "?(%s)", tagstr);
1280 vn->vn_mntdir = getmnton(kd, vnode.v_mount);
1281 if ((vnode.v_type == VBLK || vnode.v_type == VCHR) &&
1282 vnode.v_rdev != NULL){
1283 vn->vn_dev = dev2udev(kd, vnode.v_rdev);
1284 (void)kdevtoname(kd, vnode.v_rdev, vn->vn_devname);
1292 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1297 * kinfo vnode type to filestat translation.
1300 kinfo_vtype2fst(int kfvtype)
1305 } kfvtypes2fst[] = {
1306 { KF_VTYPE_VBAD, PS_FST_VTYPE_VBAD },
1307 { KF_VTYPE_VBLK, PS_FST_VTYPE_VBLK },
1308 { KF_VTYPE_VCHR, PS_FST_VTYPE_VCHR },
1309 { KF_VTYPE_VDIR, PS_FST_VTYPE_VDIR },
1310 { KF_VTYPE_VFIFO, PS_FST_VTYPE_VFIFO },
1311 { KF_VTYPE_VLNK, PS_FST_VTYPE_VLNK },
1312 { KF_VTYPE_VNON, PS_FST_VTYPE_VNON },
1313 { KF_VTYPE_VREG, PS_FST_VTYPE_VREG },
1314 { KF_VTYPE_VSOCK, PS_FST_VTYPE_VSOCK }
1316 #define NKFVTYPES (sizeof(kfvtypes2fst) / sizeof(*kfvtypes2fst))
1319 for (i = 0; i < NKFVTYPES; i++)
1320 if (kfvtypes2fst[i].kf_vtype == kfvtype)
1323 return (PS_FST_VTYPE_UNKNOWN);
1324 return (kfvtypes2fst[i].fst_vtype);
1328 procstat_get_vnode_info_sysctl(struct filestat *fst, struct vnstat *vn,
1331 struct statfs stbuf;
1332 struct kinfo_file *kif;
1333 struct kinfo_vmentry *kve;
1345 bzero(vn, sizeof(*vn));
1346 if (fst->fs_typedep == NULL)
1348 if (fst->fs_uflags & PS_FST_UFLAG_MMAP) {
1349 kve = fst->fs_typedep;
1350 fileid = kve->kve_vn_fileid;
1351 fsid = kve->kve_vn_fsid;
1352 mode = kve->kve_vn_mode;
1353 path = kve->kve_path;
1354 rdev = kve->kve_vn_rdev;
1355 size = kve->kve_vn_size;
1356 vntype = kinfo_vtype2fst(kve->kve_vn_type);
1357 status = kve->kve_status;
1359 kif = fst->fs_typedep;
1360 fileid = kif->kf_un.kf_file.kf_file_fileid;
1361 fsid = kif->kf_un.kf_file.kf_file_fsid;
1362 mode = kif->kf_un.kf_file.kf_file_mode;
1363 path = kif->kf_path;
1364 rdev = kif->kf_un.kf_file.kf_file_rdev;
1365 size = kif->kf_un.kf_file.kf_file_size;
1366 vntype = kinfo_vtype2fst(kif->kf_vnode_type);
1367 status = kif->kf_status;
1369 vn->vn_type = vntype;
1370 if (vntype == PS_FST_VTYPE_VNON || vntype == PS_FST_VTYPE_VBAD)
1372 if ((status & KF_ATTR_VALID) == 0) {
1373 if (errbuf != NULL) {
1374 snprintf(errbuf, _POSIX2_LINE_MAX,
1375 "? (no info available)");
1379 if (path && *path) {
1380 statfs(path, &stbuf);
1381 vn->vn_mntdir = strdup(stbuf.f_mntonname);
1383 vn->vn_mntdir = strdup("-");
1385 if (vntype == PS_FST_VTYPE_VBLK) {
1386 name = devname(rdev, S_IFBLK);
1388 strlcpy(vn->vn_devname, name,
1389 sizeof(vn->vn_devname));
1390 } else if (vntype == PS_FST_VTYPE_VCHR) {
1391 name = devname(vn->vn_dev, S_IFCHR);
1393 strlcpy(vn->vn_devname, name,
1394 sizeof(vn->vn_devname));
1397 vn->vn_fileid = fileid;
1404 procstat_get_socket_info(struct procstat *procstat, struct filestat *fst,
1405 struct sockstat *sock, char *errbuf)
1409 if (procstat->type == PROCSTAT_KVM) {
1410 return (procstat_get_socket_info_kvm(procstat->kd, fst, sock,
1412 } else if (procstat->type == PROCSTAT_SYSCTL ||
1413 procstat->type == PROCSTAT_CORE) {
1414 return (procstat_get_socket_info_sysctl(fst, sock, errbuf));
1416 warnx("unknown access method: %d", procstat->type);
1418 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1424 procstat_get_socket_info_kvm(kvm_t *kd, struct filestat *fst,
1425 struct sockstat *sock, char *errbuf)
1429 struct protosw proto;
1438 bzero(sock, sizeof(*sock));
1439 so = fst->fs_typedep;
1442 sock->so_addr = (uintptr_t)so;
1443 /* fill in socket */
1444 if (!kvm_read_all(kd, (unsigned long)so, &s,
1445 sizeof(struct socket))) {
1446 warnx("can't read sock at %p", (void *)so);
1449 /* fill in protosw entry */
1450 if (!kvm_read_all(kd, (unsigned long)s.so_proto, &proto,
1451 sizeof(struct protosw))) {
1452 warnx("can't read protosw at %p", (void *)s.so_proto);
1455 /* fill in domain */
1456 if (!kvm_read_all(kd, (unsigned long)proto.pr_domain, &dom,
1457 sizeof(struct domain))) {
1458 warnx("can't read domain at %p",
1459 (void *)proto.pr_domain);
1462 if ((len = kvm_read(kd, (unsigned long)dom.dom_name, sock->dname,
1463 sizeof(sock->dname) - 1)) < 0) {
1464 warnx("can't read domain name at %p", (void *)dom.dom_name);
1465 sock->dname[0] = '\0';
1468 sock->dname[len] = '\0';
1471 * Fill in known data.
1473 sock->type = s.so_type;
1474 sock->proto = proto.pr_protocol;
1475 sock->dom_family = dom.dom_family;
1476 sock->so_pcb = (uintptr_t)s.so_pcb;
1479 * Protocol specific data.
1481 switch(dom.dom_family) {
1484 if (proto.pr_protocol == IPPROTO_TCP) {
1486 if (kvm_read(kd, (u_long)s.so_pcb,
1487 (char *)&inpcb, sizeof(struct inpcb))
1488 != sizeof(struct inpcb)) {
1489 warnx("can't read inpcb at %p",
1493 (uintptr_t)inpcb.inp_ppcb;
1499 if (kvm_read(kd, (u_long)s.so_pcb, (char *)&unpcb,
1500 sizeof(struct unpcb)) != sizeof(struct unpcb)){
1501 warnx("can't read unpcb at %p",
1503 } else if (unpcb.unp_conn) {
1504 sock->so_rcv_sb_state = s.so_rcv.sb_state;
1505 sock->so_snd_sb_state = s.so_snd.sb_state;
1506 sock->unp_conn = (uintptr_t)unpcb.unp_conn;
1517 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1522 procstat_get_socket_info_sysctl(struct filestat *fst, struct sockstat *sock,
1523 char *errbuf __unused)
1525 struct kinfo_file *kif;
1529 bzero(sock, sizeof(*sock));
1530 kif = fst->fs_typedep;
1535 * Fill in known data.
1537 sock->type = kif->kf_sock_type;
1538 sock->proto = kif->kf_sock_protocol;
1539 sock->dom_family = kif->kf_sock_domain;
1540 sock->so_pcb = kif->kf_un.kf_sock.kf_sock_pcb;
1541 strlcpy(sock->dname, kif->kf_path, sizeof(sock->dname));
1542 bcopy(&kif->kf_sa_local, &sock->sa_local, kif->kf_sa_local.ss_len);
1543 bcopy(&kif->kf_sa_peer, &sock->sa_peer, kif->kf_sa_peer.ss_len);
1546 * Protocol specific data.
1548 switch(sock->dom_family) {
1551 if (sock->proto == IPPROTO_TCP)
1552 sock->inp_ppcb = kif->kf_un.kf_sock.kf_sock_inpcb;
1555 if (kif->kf_un.kf_sock.kf_sock_unpconn != 0) {
1556 sock->so_rcv_sb_state =
1557 kif->kf_un.kf_sock.kf_sock_rcv_sb_state;
1558 sock->so_snd_sb_state =
1559 kif->kf_un.kf_sock.kf_sock_snd_sb_state;
1561 kif->kf_un.kf_sock.kf_sock_unpconn;
1571 * Descriptor flags to filestat translation.
1574 to_filestat_flags(int flags)
1580 { FREAD, PS_FST_FFLAG_READ },
1581 { FWRITE, PS_FST_FFLAG_WRITE },
1582 { O_APPEND, PS_FST_FFLAG_APPEND },
1583 { O_ASYNC, PS_FST_FFLAG_ASYNC },
1584 { O_CREAT, PS_FST_FFLAG_CREAT },
1585 { O_DIRECT, PS_FST_FFLAG_DIRECT },
1586 { O_EXCL, PS_FST_FFLAG_EXCL },
1587 { O_EXEC, PS_FST_FFLAG_EXEC },
1588 { O_EXLOCK, PS_FST_FFLAG_EXLOCK },
1589 { O_NOFOLLOW, PS_FST_FFLAG_NOFOLLOW },
1590 { O_NONBLOCK, PS_FST_FFLAG_NONBLOCK },
1591 { O_SHLOCK, PS_FST_FFLAG_SHLOCK },
1592 { O_SYNC, PS_FST_FFLAG_SYNC },
1593 { O_TRUNC, PS_FST_FFLAG_TRUNC }
1595 #define NFSTFLAGS (sizeof(fstflags) / sizeof(*fstflags))
1600 for (i = 0; i < NFSTFLAGS; i++)
1601 if (flags & fstflags[i].flag)
1602 fst_flags |= fstflags[i].fst_flag;
1607 * Vnode type to filestate translation.
1610 vntype2psfsttype(int type)
1616 { VBAD, PS_FST_VTYPE_VBAD },
1617 { VBLK, PS_FST_VTYPE_VBLK },
1618 { VCHR, PS_FST_VTYPE_VCHR },
1619 { VDIR, PS_FST_VTYPE_VDIR },
1620 { VFIFO, PS_FST_VTYPE_VFIFO },
1621 { VLNK, PS_FST_VTYPE_VLNK },
1622 { VNON, PS_FST_VTYPE_VNON },
1623 { VREG, PS_FST_VTYPE_VREG },
1624 { VSOCK, PS_FST_VTYPE_VSOCK }
1626 #define NVFTYPES (sizeof(vt2fst) / sizeof(*vt2fst))
1627 unsigned int i, fst_type;
1629 fst_type = PS_FST_VTYPE_UNKNOWN;
1630 for (i = 0; i < NVFTYPES; i++) {
1631 if (type == vt2fst[i].vtype) {
1632 fst_type = vt2fst[i].fst_vtype;
1640 getmnton(kvm_t *kd, struct mount *m)
1643 static struct mtab {
1646 char mntonname[MNAMELEN + 1];
1650 for (mt = mhead; mt != NULL; mt = mt->next)
1652 return (mt->mntonname);
1653 if (!kvm_read_all(kd, (unsigned long)m, &mnt, sizeof(struct mount))) {
1654 warnx("can't read mount table at %p", (void *)m);
1657 if ((mt = malloc(sizeof (struct mtab))) == NULL)
1660 bcopy(&mnt.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN);
1661 mt->mntonname[MNAMELEN] = '\0';
1664 return (mt->mntonname);
1668 * Auxiliary structures and functions to get process environment or
1669 * command line arguments.
1678 static struct argvec *
1679 argvec_alloc(size_t bufsize)
1683 av = malloc(sizeof(*av));
1686 av->bufsize = bufsize;
1687 av->buf = malloc(av->bufsize);
1688 if (av->buf == NULL) {
1693 av->argv = malloc(sizeof(char *) * av->argc);
1694 if (av->argv == NULL) {
1703 argvec_free(struct argvec * av)
1712 getargv(struct procstat *procstat, struct kinfo_proc *kp, size_t nchr, int env)
1714 int error, name[4], argc, i;
1715 struct argvec *av, **avp;
1722 if (procstat->type == PROCSTAT_KVM) {
1723 warnx("can't use kvm access method");
1726 if (procstat->type != PROCSTAT_SYSCTL &&
1727 procstat->type != PROCSTAT_CORE) {
1728 warnx("unknown access method: %d", procstat->type);
1732 if (nchr == 0 || nchr > ARG_MAX)
1735 avp = (struct argvec **)(env ? &procstat->argv : &procstat->envv);
1740 av = argvec_alloc(nchr);
1743 warn("malloc(%zu)", nchr);
1747 } else if (av->bufsize < nchr) {
1748 av->buf = reallocf(av->buf, nchr);
1749 if (av->buf == NULL) {
1750 warn("malloc(%zu)", nchr);
1754 if (procstat->type == PROCSTAT_SYSCTL) {
1756 name[1] = KERN_PROC;
1757 name[2] = env ? KERN_PROC_ENV : KERN_PROC_ARGS;
1758 name[3] = kp->ki_pid;
1760 error = sysctl(name, 4, av->buf, &len, NULL, 0);
1761 if (error != 0 && errno != ESRCH && errno != EPERM)
1762 warn("sysctl(kern.proc.%s)", env ? "env" : "args");
1763 if (error != 0 || len == 0)
1765 } else /* procstat->type == PROCSTAT_CORE */ {
1766 type = env ? PSC_TYPE_ENVV : PSC_TYPE_ARGV;
1768 if (procstat_core_get(procstat->core, type, av->buf, &len)
1777 for (p = av->buf; p < av->buf + len; p += strlen(p) + 1) {
1783 argv = realloc(argv, sizeof(char *) * argc);
1785 warn("malloc(%zu)", sizeof(char *) * argc);
1797 * Return process command line arguments.
1800 procstat_getargv(struct procstat *procstat, struct kinfo_proc *p, size_t nchr)
1803 return (getargv(procstat, p, nchr, 0));
1807 * Free the buffer allocated by procstat_getargv().
1810 procstat_freeargv(struct procstat *procstat)
1813 if (procstat->argv != NULL) {
1814 argvec_free(procstat->argv);
1815 procstat->argv = NULL;
1820 * Return process environment.
1823 procstat_getenvv(struct procstat *procstat, struct kinfo_proc *p, size_t nchr)
1826 return (getargv(procstat, p, nchr, 1));
1830 * Free the buffer allocated by procstat_getenvv().
1833 procstat_freeenvv(struct procstat *procstat)
1835 if (procstat->envv != NULL) {
1836 argvec_free(procstat->envv);
1837 procstat->envv = NULL;
1841 static struct kinfo_vmentry *
1842 kinfo_getvmmap_core(struct procstat_core *core, int *cntp)
1846 char *buf, *bp, *eb;
1847 struct kinfo_vmentry *kiv, *kp, *kv;
1849 buf = procstat_core_get(core, PSC_TYPE_VMMAP, NULL, &len);
1854 * XXXMG: The code below is just copy&past from libutil.
1855 * The code duplication can be avoided if libutil
1856 * is extended to provide something like:
1857 * struct kinfo_vmentry *kinfo_getvmmap_from_buf(const char *buf,
1858 * size_t len, int *cntp);
1861 /* Pass 1: count items */
1866 kv = (struct kinfo_vmentry *)(uintptr_t)bp;
1867 bp += kv->kve_structsize;
1871 kiv = calloc(cnt, sizeof(*kiv));
1879 /* Pass 2: unpack */
1881 kv = (struct kinfo_vmentry *)(uintptr_t)bp;
1882 /* Copy/expand into pre-zeroed buffer */
1883 memcpy(kp, kv, kv->kve_structsize);
1884 /* Advance to next packed record */
1885 bp += kv->kve_structsize;
1886 /* Set field size to fixed length, advance */
1887 kp->kve_structsize = sizeof(*kp);
1892 return (kiv); /* Caller must free() return value */
1895 struct kinfo_vmentry *
1896 procstat_getvmmap(struct procstat *procstat, struct kinfo_proc *kp,
1900 switch(procstat->type) {
1902 warnx("kvm method is not supported");
1904 case PROCSTAT_SYSCTL:
1905 return (kinfo_getvmmap(kp->ki_pid, cntp));
1907 return (kinfo_getvmmap_core(procstat->core, cntp));
1909 warnx("unknown access method: %d", procstat->type);
1915 procstat_freevmmap(struct procstat *procstat __unused,
1916 struct kinfo_vmentry *vmmap)
1923 procstat_getgroups_kvm(kvm_t *kd, struct kinfo_proc *kp, unsigned int *cntp)
1932 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
1934 warnx("can't read proc struct at %p for pid %d",
1935 kp->ki_paddr, kp->ki_pid);
1938 if (proc.p_ucred == NOCRED)
1940 if (!kvm_read_all(kd, (unsigned long)proc.p_ucred, &ucred,
1942 warnx("can't read ucred struct at %p for pid %d",
1943 proc.p_ucred, kp->ki_pid);
1946 len = ucred.cr_ngroups * sizeof(gid_t);
1947 groups = malloc(len);
1948 if (groups == NULL) {
1949 warn("malloc(%zu)", len);
1952 if (!kvm_read_all(kd, (unsigned long)ucred.cr_groups, groups, len)) {
1953 warnx("can't read groups at %p for pid %d",
1954 ucred.cr_groups, kp->ki_pid);
1958 *cntp = ucred.cr_ngroups;
1963 procstat_getgroups_sysctl(pid_t pid, unsigned int *cntp)
1971 mib[2] = KERN_PROC_GROUPS;
1973 len = (sysconf(_SC_NGROUPS_MAX) + 1) * sizeof(gid_t);
1974 groups = malloc(len);
1975 if (groups == NULL) {
1976 warn("malloc(%zu)", len);
1979 if (sysctl(mib, 4, groups, &len, NULL, 0) == -1) {
1980 warn("sysctl: kern.proc.groups: %d", pid);
1984 *cntp = len / sizeof(gid_t);
1989 procstat_getgroups_core(struct procstat_core *core, unsigned int *cntp)
1994 groups = procstat_core_get(core, PSC_TYPE_GROUPS, NULL, &len);
1997 *cntp = len / sizeof(gid_t);
2002 procstat_getgroups(struct procstat *procstat, struct kinfo_proc *kp,
2005 switch(procstat->type) {
2007 return (procstat_getgroups_kvm(procstat->kd, kp, cntp));
2008 case PROCSTAT_SYSCTL:
2009 return (procstat_getgroups_sysctl(kp->ki_pid, cntp));
2011 return (procstat_getgroups_core(procstat->core, cntp));
2013 warnx("unknown access method: %d", procstat->type);
2019 procstat_freegroups(struct procstat *procstat __unused, gid_t *groups)
2026 procstat_getumask_kvm(kvm_t *kd, struct kinfo_proc *kp, unsigned short *maskp)
2032 if (kp->ki_fd == NULL)
2034 if (!kvm_read_all(kd, (unsigned long)kp->ki_fd, &fd, sizeof(fd))) {
2035 warnx("can't read filedesc at %p for pid %d", kp->ki_fd,
2039 *maskp = fd.fd_cmask;
2044 procstat_getumask_sysctl(pid_t pid, unsigned short *maskp)
2052 mib[2] = KERN_PROC_UMASK;
2054 len = sizeof(*maskp);
2055 error = sysctl(mib, 4, maskp, &len, NULL, 0);
2056 if (error != 0 && errno != ESRCH)
2057 warn("sysctl: kern.proc.umask: %d", pid);
2062 procstat_getumask_core(struct procstat_core *core, unsigned short *maskp)
2065 unsigned short *buf;
2067 buf = procstat_core_get(core, PSC_TYPE_UMASK, NULL, &len);
2070 if (len < sizeof(*maskp)) {
2080 procstat_getumask(struct procstat *procstat, struct kinfo_proc *kp,
2081 unsigned short *maskp)
2083 switch(procstat->type) {
2085 return (procstat_getumask_kvm(procstat->kd, kp, maskp));
2086 case PROCSTAT_SYSCTL:
2087 return (procstat_getumask_sysctl(kp->ki_pid, maskp));
2089 return (procstat_getumask_core(procstat->core, maskp));
2091 warnx("unknown access method: %d", procstat->type);
2097 procstat_getrlimit_kvm(kvm_t *kd, struct kinfo_proc *kp, int which,
2098 struct rlimit* rlimit)
2101 unsigned long offset;
2105 assert(which >= 0 && which < RLIM_NLIMITS);
2106 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
2108 warnx("can't read proc struct at %p for pid %d",
2109 kp->ki_paddr, kp->ki_pid);
2112 if (proc.p_limit == NULL)
2114 offset = (unsigned long)proc.p_limit + sizeof(struct rlimit) * which;
2115 if (!kvm_read_all(kd, offset, rlimit, sizeof(*rlimit))) {
2116 warnx("can't read rlimit struct at %p for pid %d",
2117 (void *)offset, kp->ki_pid);
2124 procstat_getrlimit_sysctl(pid_t pid, int which, struct rlimit* rlimit)
2130 name[1] = KERN_PROC;
2131 name[2] = KERN_PROC_RLIMIT;
2134 len = sizeof(struct rlimit);
2135 error = sysctl(name, 5, rlimit, &len, NULL, 0);
2136 if (error < 0 && errno != ESRCH) {
2137 warn("sysctl: kern.proc.rlimit: %d", pid);
2140 if (error < 0 || len != sizeof(struct rlimit))
2146 procstat_getrlimit_core(struct procstat_core *core, int which,
2147 struct rlimit* rlimit)
2150 struct rlimit* rlimits;
2152 if (which < 0 || which >= RLIM_NLIMITS) {
2154 warn("getrlimit: which");
2157 rlimits = procstat_core_get(core, PSC_TYPE_RLIMIT, NULL, &len);
2158 if (rlimits == NULL)
2160 if (len < sizeof(struct rlimit) * RLIM_NLIMITS) {
2164 *rlimit = rlimits[which];
2169 procstat_getrlimit(struct procstat *procstat, struct kinfo_proc *kp, int which,
2170 struct rlimit* rlimit)
2172 switch(procstat->type) {
2174 return (procstat_getrlimit_kvm(procstat->kd, kp, which,
2176 case PROCSTAT_SYSCTL:
2177 return (procstat_getrlimit_sysctl(kp->ki_pid, which, rlimit));
2179 return (procstat_getrlimit_core(procstat->core, which, rlimit));
2181 warnx("unknown access method: %d", procstat->type);
2187 procstat_getpathname_sysctl(pid_t pid, char *pathname, size_t maxlen)
2193 name[1] = KERN_PROC;
2194 name[2] = KERN_PROC_PATHNAME;
2197 error = sysctl(name, 4, pathname, &len, NULL, 0);
2198 if (error != 0 && errno != ESRCH)
2199 warn("sysctl: kern.proc.pathname: %d", pid);
2206 procstat_getpathname_core(struct procstat_core *core, char *pathname,
2209 struct kinfo_file *files;
2212 files = kinfo_getfile_core(core, &cnt);
2216 for (i = 0; i < cnt; i++) {
2217 if (files[i].kf_fd != KF_FD_TYPE_TEXT)
2219 strncpy(pathname, files[i].kf_path, maxlen);
2228 procstat_getpathname(struct procstat *procstat, struct kinfo_proc *kp,
2229 char *pathname, size_t maxlen)
2231 switch(procstat->type) {
2233 /* XXX: Return empty string. */
2237 case PROCSTAT_SYSCTL:
2238 return (procstat_getpathname_sysctl(kp->ki_pid, pathname,
2241 return (procstat_getpathname_core(procstat->core, pathname,
2244 warnx("unknown access method: %d", procstat->type);
2250 procstat_getosrel_kvm(kvm_t *kd, struct kinfo_proc *kp, int *osrelp)
2256 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
2258 warnx("can't read proc struct at %p for pid %d",
2259 kp->ki_paddr, kp->ki_pid);
2262 *osrelp = proc.p_osrel;
2267 procstat_getosrel_sysctl(pid_t pid, int *osrelp)
2273 name[1] = KERN_PROC;
2274 name[2] = KERN_PROC_OSREL;
2276 len = sizeof(*osrelp);
2277 error = sysctl(name, 4, osrelp, &len, NULL, 0);
2278 if (error != 0 && errno != ESRCH)
2279 warn("sysctl: kern.proc.osrel: %d", pid);
2284 procstat_getosrel_core(struct procstat_core *core, int *osrelp)
2289 buf = procstat_core_get(core, PSC_TYPE_OSREL, NULL, &len);
2292 if (len < sizeof(*osrelp)) {
2302 procstat_getosrel(struct procstat *procstat, struct kinfo_proc *kp, int *osrelp)
2304 switch(procstat->type) {
2306 return (procstat_getosrel_kvm(procstat->kd, kp, osrelp));
2307 case PROCSTAT_SYSCTL:
2308 return (procstat_getosrel_sysctl(kp->ki_pid, osrelp));
2310 return (procstat_getosrel_core(procstat->core, osrelp));
2312 warnx("unknown access method: %d", procstat->type);
2317 #define PROC_AUXV_MAX 256
2319 #if __ELF_WORD_SIZE == 64
2320 static const char *elf32_sv_names[] = {
2326 is_elf32_sysctl(pid_t pid)
2330 static char sv_name[256];
2333 name[1] = KERN_PROC;
2334 name[2] = KERN_PROC_SV_NAME;
2336 len = sizeof(sv_name);
2337 error = sysctl(name, 4, sv_name, &len, NULL, 0);
2338 if (error != 0 || len == 0)
2340 for (i = 0; i < sizeof(elf32_sv_names) / sizeof(*elf32_sv_names); i++) {
2341 if (strncmp(sv_name, elf32_sv_names[i], sizeof(sv_name)) == 0)
2347 static Elf_Auxinfo *
2348 procstat_getauxv32_sysctl(pid_t pid, unsigned int *cntp)
2351 Elf32_Auxinfo *auxv32;
2354 unsigned int i, count;
2358 name[1] = KERN_PROC;
2359 name[2] = KERN_PROC_AUXV;
2361 len = PROC_AUXV_MAX * sizeof(Elf32_Auxinfo);
2363 auxv32 = malloc(len);
2364 if (auxv32 == NULL) {
2365 warn("malloc(%zu)", len);
2368 if (sysctl(name, 4, auxv32, &len, NULL, 0) == -1) {
2369 if (errno != ESRCH && errno != EPERM)
2370 warn("sysctl: kern.proc.auxv: %d: %d", pid, errno);
2373 count = len / sizeof(Elf_Auxinfo);
2374 auxv = malloc(count * sizeof(Elf_Auxinfo));
2376 warn("malloc(%zu)", count * sizeof(Elf_Auxinfo));
2379 for (i = 0; i < count; i++) {
2381 * XXX: We expect that values for a_type on a 32-bit platform
2382 * are directly mapped to values on 64-bit one, which is not
2385 auxv[i].a_type = auxv32[i].a_type;
2386 ptr = &auxv32[i].a_un;
2387 auxv[i].a_un.a_val = *((uint32_t *)ptr);
2394 #endif /* __ELF_WORD_SIZE == 64 */
2396 static Elf_Auxinfo *
2397 procstat_getauxv_sysctl(pid_t pid, unsigned int *cntp)
2403 #if __ELF_WORD_SIZE == 64
2404 if (is_elf32_sysctl(pid))
2405 return (procstat_getauxv32_sysctl(pid, cntp));
2408 name[1] = KERN_PROC;
2409 name[2] = KERN_PROC_AUXV;
2411 len = PROC_AUXV_MAX * sizeof(Elf_Auxinfo);
2414 warn("malloc(%zu)", len);
2417 if (sysctl(name, 4, auxv, &len, NULL, 0) == -1) {
2418 if (errno != ESRCH && errno != EPERM)
2419 warn("sysctl: kern.proc.auxv: %d: %d", pid, errno);
2423 *cntp = len / sizeof(Elf_Auxinfo);
2427 static Elf_Auxinfo *
2428 procstat_getauxv_core(struct procstat_core *core, unsigned int *cntp)
2433 auxv = procstat_core_get(core, PSC_TYPE_AUXV, NULL, &len);
2436 *cntp = len / sizeof(Elf_Auxinfo);
2441 procstat_getauxv(struct procstat *procstat, struct kinfo_proc *kp,
2444 switch(procstat->type) {
2446 warnx("kvm method is not supported");
2448 case PROCSTAT_SYSCTL:
2449 return (procstat_getauxv_sysctl(kp->ki_pid, cntp));
2451 return (procstat_getauxv_core(procstat->core, cntp));
2453 warnx("unknown access method: %d", procstat->type);
2459 procstat_freeauxv(struct procstat *procstat __unused, Elf_Auxinfo *auxv)
2465 static struct kinfo_kstack *
2466 procstat_getkstack_sysctl(pid_t pid, int *cntp)
2468 struct kinfo_kstack *kkstp;
2473 name[1] = KERN_PROC;
2474 name[2] = KERN_PROC_KSTACK;
2478 error = sysctl(name, 4, NULL, &len, NULL, 0);
2479 if (error < 0 && errno != ESRCH && errno != EPERM && errno != ENOENT) {
2480 warn("sysctl: kern.proc.kstack: %d", pid);
2483 if (error == -1 && errno == ENOENT) {
2484 warnx("sysctl: kern.proc.kstack unavailable"
2485 " (options DDB or options STACK required in kernel)");
2490 kkstp = malloc(len);
2491 if (kkstp == NULL) {
2492 warn("malloc(%zu)", len);
2495 if (sysctl(name, 4, kkstp, &len, NULL, 0) == -1) {
2496 warn("sysctl: kern.proc.pid: %d", pid);
2500 *cntp = len / sizeof(*kkstp);
2505 struct kinfo_kstack *
2506 procstat_getkstack(struct procstat *procstat, struct kinfo_proc *kp,
2509 switch(procstat->type) {
2511 warnx("kvm method is not supported");
2513 case PROCSTAT_SYSCTL:
2514 return (procstat_getkstack_sysctl(kp->ki_pid, cntp));
2516 warnx("core method is not supported");
2519 warnx("unknown access method: %d", procstat->type);
2525 procstat_freekstack(struct procstat *procstat __unused,
2526 struct kinfo_kstack *kkstp)