2 * SPDX-License-Identifier: BSD-4-Clause
4 * Copyright (c) 2017 Dell EMC
5 * Copyright (c) 2009 Stanislav Sedov <stas@FreeBSD.org>
6 * Copyright (c) 1988, 1993
7 * The Regents of the University of California. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the University of
20 * California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 #include <sys/cdefs.h>
39 __FBSDID("$FreeBSD$");
41 #include <sys/param.h>
44 #include <sys/resourcevar.h>
46 #include <sys/ucred.h>
51 #include <sys/vnode.h>
52 #include <sys/socket.h>
54 #include <sys/socketvar.h>
55 #include <sys/domain.h>
56 #include <sys/protosw.h>
59 #include <sys/unpcb.h>
60 #include <sys/sysctl.h>
62 #include <sys/filedesc.h>
63 #include <sys/queue.h>
69 #include <sys/capsicum.h>
70 #include <sys/ptrace.h>
72 #include <sys/mount.h>
74 #include <ufs/ufs/quota.h>
75 #include <ufs/ufs/inode.h>
76 #include <fs/devfs/devfs.h>
77 #include <fs/devfs/devfs_int.h>
79 #include <nfs/nfsproto.h>
80 #include <nfsclient/nfs.h>
81 #include <nfsclient/nfsnode.h>
84 #include <vm/vm_map.h>
85 #include <vm/vm_object.h>
87 #include <net/route.h>
88 #include <netinet/in.h>
89 #include <netinet/in_systm.h>
90 #include <netinet/ip.h>
92 #include <netinet/in_pcb.h>
110 #include <libprocstat.h>
111 #include "libprocstat_internal.h"
112 #include "common_kvm.h"
115 int statfs(const char *, struct statfs *); /* XXX */
117 #define PROCSTAT_KVM 1
118 #define PROCSTAT_SYSCTL 2
119 #define PROCSTAT_CORE 3
121 static char **getargv(struct procstat *procstat, struct kinfo_proc *kp,
122 size_t nchr, int env);
123 static char *getmnton(kvm_t *kd, struct mount *m);
124 static struct kinfo_vmentry * kinfo_getvmmap_core(struct procstat_core *core,
126 static Elf_Auxinfo *procstat_getauxv_core(struct procstat_core *core,
128 static Elf_Auxinfo *procstat_getauxv_sysctl(pid_t pid, unsigned int *cntp);
129 static struct filestat_list *procstat_getfiles_kvm(
130 struct procstat *procstat, struct kinfo_proc *kp, int mmapped);
131 static struct filestat_list *procstat_getfiles_sysctl(
132 struct procstat *procstat, struct kinfo_proc *kp, int mmapped);
133 static int procstat_get_pipe_info_sysctl(struct filestat *fst,
134 struct pipestat *pipe, char *errbuf);
135 static int procstat_get_pipe_info_kvm(kvm_t *kd, struct filestat *fst,
136 struct pipestat *pipe, char *errbuf);
137 static int procstat_get_pts_info_sysctl(struct filestat *fst,
138 struct ptsstat *pts, char *errbuf);
139 static int procstat_get_pts_info_kvm(kvm_t *kd, struct filestat *fst,
140 struct ptsstat *pts, char *errbuf);
141 static int procstat_get_sem_info_sysctl(struct filestat *fst,
142 struct semstat *sem, char *errbuf);
143 static int procstat_get_sem_info_kvm(kvm_t *kd, struct filestat *fst,
144 struct semstat *sem, char *errbuf);
145 static int procstat_get_shm_info_sysctl(struct filestat *fst,
146 struct shmstat *shm, char *errbuf);
147 static int procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst,
148 struct shmstat *shm, char *errbuf);
149 static int procstat_get_socket_info_sysctl(struct filestat *fst,
150 struct sockstat *sock, char *errbuf);
151 static int procstat_get_socket_info_kvm(kvm_t *kd, struct filestat *fst,
152 struct sockstat *sock, char *errbuf);
153 static int to_filestat_flags(int flags);
154 static int procstat_get_vnode_info_kvm(kvm_t *kd, struct filestat *fst,
155 struct vnstat *vn, char *errbuf);
156 static int procstat_get_vnode_info_sysctl(struct filestat *fst,
157 struct vnstat *vn, char *errbuf);
158 static gid_t *procstat_getgroups_core(struct procstat_core *core,
159 unsigned int *count);
160 static gid_t * procstat_getgroups_kvm(kvm_t *kd, struct kinfo_proc *kp,
161 unsigned int *count);
162 static gid_t *procstat_getgroups_sysctl(pid_t pid, unsigned int *count);
163 static struct kinfo_kstack *procstat_getkstack_sysctl(pid_t pid,
165 static int procstat_getosrel_core(struct procstat_core *core,
167 static int procstat_getosrel_kvm(kvm_t *kd, struct kinfo_proc *kp,
169 static int procstat_getosrel_sysctl(pid_t pid, int *osrelp);
170 static int procstat_getpathname_core(struct procstat_core *core,
171 char *pathname, size_t maxlen);
172 static int procstat_getpathname_sysctl(pid_t pid, char *pathname,
174 static int procstat_getrlimit_core(struct procstat_core *core, int which,
175 struct rlimit* rlimit);
176 static int procstat_getrlimit_kvm(kvm_t *kd, struct kinfo_proc *kp,
177 int which, struct rlimit* rlimit);
178 static int procstat_getrlimit_sysctl(pid_t pid, int which,
179 struct rlimit* rlimit);
180 static int procstat_getumask_core(struct procstat_core *core,
181 unsigned short *maskp);
182 static int procstat_getumask_kvm(kvm_t *kd, struct kinfo_proc *kp,
183 unsigned short *maskp);
184 static int procstat_getumask_sysctl(pid_t pid, unsigned short *maskp);
185 static int vntype2psfsttype(int type);
188 procstat_close(struct procstat *procstat)
192 if (procstat->type == PROCSTAT_KVM)
193 kvm_close(procstat->kd);
194 else if (procstat->type == PROCSTAT_CORE)
195 procstat_core_close(procstat->core);
196 procstat_freeargv(procstat);
197 procstat_freeenvv(procstat);
202 procstat_open_sysctl(void)
204 struct procstat *procstat;
206 procstat = calloc(1, sizeof(*procstat));
207 if (procstat == NULL) {
211 procstat->type = PROCSTAT_SYSCTL;
216 procstat_open_kvm(const char *nlistf, const char *memf)
218 struct procstat *procstat;
220 char buf[_POSIX2_LINE_MAX];
222 procstat = calloc(1, sizeof(*procstat));
223 if (procstat == NULL) {
227 kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf);
229 warnx("kvm_openfiles(): %s", buf);
233 procstat->type = PROCSTAT_KVM;
239 procstat_open_core(const char *filename)
241 struct procstat *procstat;
242 struct procstat_core *core;
244 procstat = calloc(1, sizeof(*procstat));
245 if (procstat == NULL) {
249 core = procstat_core_open(filename);
254 procstat->type = PROCSTAT_CORE;
255 procstat->core = core;
260 procstat_getprocs(struct procstat *procstat, int what, int arg,
263 struct kinfo_proc *p0, *p;
272 if (procstat->type == PROCSTAT_KVM) {
274 p0 = kvm_getprocs(procstat->kd, what, arg, &cnt);
275 if (p0 == NULL || cnt <= 0)
278 len = *count * sizeof(*p);
281 warnx("malloc(%zu)", len);
286 } else if (procstat->type == PROCSTAT_SYSCTL) {
292 error = sysctl(name, nitems(name), NULL, &len, NULL, 0);
293 if (error < 0 && errno != EPERM) {
294 warn("sysctl(kern.proc)");
298 warnx("no processes?");
303 p = reallocf(p, len);
305 warnx("reallocf(%zu)", len);
309 error = sysctl(name, nitems(name), p, &len, NULL, 0);
310 } while (error < 0 && errno == ENOMEM && olen == len);
311 if (error < 0 && errno != EPERM) {
312 warn("sysctl(kern.proc)");
315 /* Perform simple consistency checks. */
316 if ((len % sizeof(*p)) != 0 || p->ki_structsize != sizeof(*p)) {
317 warnx("kinfo_proc structure size mismatch (len = %zu)", len);
320 *count = len / sizeof(*p);
322 } else if (procstat->type == PROCSTAT_CORE) {
323 p = procstat_core_get(procstat->core, PSC_TYPE_PROC, NULL,
325 if ((len % sizeof(*p)) != 0 || p->ki_structsize != sizeof(*p)) {
326 warnx("kinfo_proc structure size mismatch");
329 *count = len / sizeof(*p);
332 warnx("unknown access method: %d", procstat->type);
342 procstat_freeprocs(struct procstat *procstat __unused, struct kinfo_proc *p)
350 struct filestat_list *
351 procstat_getfiles(struct procstat *procstat, struct kinfo_proc *kp, int mmapped)
354 switch(procstat->type) {
356 return (procstat_getfiles_kvm(procstat, kp, mmapped));
357 case PROCSTAT_SYSCTL:
359 return (procstat_getfiles_sysctl(procstat, kp, mmapped));
361 warnx("unknown access method: %d", procstat->type);
367 procstat_freefiles(struct procstat *procstat, struct filestat_list *head)
369 struct filestat *fst, *tmp;
371 STAILQ_FOREACH_SAFE(fst, head, next, tmp) {
372 if (fst->fs_path != NULL)
377 if (procstat->vmentries != NULL) {
378 free(procstat->vmentries);
379 procstat->vmentries = NULL;
381 if (procstat->files != NULL) {
382 free(procstat->files);
383 procstat->files = NULL;
387 static struct filestat *
388 filestat_new_entry(void *typedep, int type, int fd, int fflags, int uflags,
389 int refcount, off_t offset, char *path, cap_rights_t *cap_rightsp)
391 struct filestat *entry;
393 entry = calloc(1, sizeof(*entry));
398 entry->fs_typedep = typedep;
399 entry->fs_fflags = fflags;
400 entry->fs_uflags = uflags;
402 entry->fs_type = type;
403 entry->fs_ref_count = refcount;
404 entry->fs_offset = offset;
405 entry->fs_path = path;
406 if (cap_rightsp != NULL)
407 entry->fs_cap_rights = *cap_rightsp;
409 cap_rights_init(&entry->fs_cap_rights);
413 static struct vnode *
414 getctty(kvm_t *kd, struct kinfo_proc *kp)
422 error = kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
425 warnx("can't read proc struct at %p for pid %d",
426 kp->ki_paddr, kp->ki_pid);
429 if (proc.p_pgrp == NULL)
431 error = kvm_read_all(kd, (unsigned long)proc.p_pgrp, &pgrp,
434 warnx("can't read pgrp struct at %p for pid %d",
435 proc.p_pgrp, kp->ki_pid);
438 error = kvm_read_all(kd, (unsigned long)pgrp.pg_session, &sess,
441 warnx("can't read session struct at %p for pid %d",
442 pgrp.pg_session, kp->ki_pid);
445 return (sess.s_ttyvp);
448 static struct filestat_list *
449 procstat_getfiles_kvm(struct procstat *procstat, struct kinfo_proc *kp, int mmapped)
452 struct filedesc filed;
453 struct vm_map_entry vmentry;
454 struct vm_object object;
455 struct vmspace vmspace;
456 vm_map_entry_t entryp;
460 struct file **ofiles;
461 struct filestat *entry;
462 struct filestat_list *head;
473 if (kp->ki_fd == NULL)
475 if (!kvm_read_all(kd, (unsigned long)kp->ki_fd, &filed,
477 warnx("can't read filedesc at %p", (void *)kp->ki_fd);
482 * Allocate list head.
484 head = malloc(sizeof(*head));
489 /* root directory vnode, if one. */
491 entry = filestat_new_entry(filed.fd_rdir, PS_FST_TYPE_VNODE, -1,
492 PS_FST_FFLAG_READ, PS_FST_UFLAG_RDIR, 0, 0, NULL, NULL);
494 STAILQ_INSERT_TAIL(head, entry, next);
496 /* current working directory vnode. */
498 entry = filestat_new_entry(filed.fd_cdir, PS_FST_TYPE_VNODE, -1,
499 PS_FST_FFLAG_READ, PS_FST_UFLAG_CDIR, 0, 0, NULL, NULL);
501 STAILQ_INSERT_TAIL(head, entry, next);
503 /* jail root, if any. */
505 entry = filestat_new_entry(filed.fd_jdir, PS_FST_TYPE_VNODE, -1,
506 PS_FST_FFLAG_READ, PS_FST_UFLAG_JAIL, 0, 0, NULL, NULL);
508 STAILQ_INSERT_TAIL(head, entry, next);
510 /* ktrace vnode, if one */
512 entry = filestat_new_entry(kp->ki_tracep, PS_FST_TYPE_VNODE, -1,
513 PS_FST_FFLAG_READ | PS_FST_FFLAG_WRITE,
514 PS_FST_UFLAG_TRACE, 0, 0, NULL, NULL);
516 STAILQ_INSERT_TAIL(head, entry, next);
518 /* text vnode, if one */
520 entry = filestat_new_entry(kp->ki_textvp, PS_FST_TYPE_VNODE, -1,
521 PS_FST_FFLAG_READ, PS_FST_UFLAG_TEXT, 0, 0, NULL, NULL);
523 STAILQ_INSERT_TAIL(head, entry, next);
525 /* Controlling terminal. */
526 if ((vp = getctty(kd, kp)) != NULL) {
527 entry = filestat_new_entry(vp, PS_FST_TYPE_VNODE, -1,
528 PS_FST_FFLAG_READ | PS_FST_FFLAG_WRITE,
529 PS_FST_UFLAG_CTTY, 0, 0, NULL, NULL);
531 STAILQ_INSERT_TAIL(head, entry, next);
534 nfiles = filed.fd_lastfile + 1;
535 ofiles = malloc(nfiles * sizeof(struct file *));
536 if (ofiles == NULL) {
537 warn("malloc(%zu)", nfiles * sizeof(struct file *));
540 if (!kvm_read_all(kd, (unsigned long)filed.fd_ofiles, ofiles,
541 nfiles * sizeof(struct file *))) {
542 warnx("cannot read file structures at %p",
543 (void *)filed.fd_ofiles);
547 for (i = 0; i <= filed.fd_lastfile; i++) {
548 if (ofiles[i] == NULL)
550 if (!kvm_read_all(kd, (unsigned long)ofiles[i], &file,
551 sizeof(struct file))) {
552 warnx("can't read file %d at %p", i,
556 switch (file.f_type) {
558 type = PS_FST_TYPE_VNODE;
562 type = PS_FST_TYPE_SOCKET;
566 type = PS_FST_TYPE_PIPE;
570 type = PS_FST_TYPE_FIFO;
575 type = PS_FST_TYPE_PTS;
580 type = PS_FST_TYPE_SEM;
584 type = PS_FST_TYPE_SHM;
588 type = PS_FST_TYPE_PROCDESC;
592 type = PS_FST_TYPE_DEV;
598 /* XXXRW: No capability rights support for kvm yet. */
599 entry = filestat_new_entry(data, type, i,
600 to_filestat_flags(file.f_flag), 0, 0, 0, NULL, NULL);
602 STAILQ_INSERT_TAIL(head, entry, next);
609 * Process mmapped files if requested.
612 if (!kvm_read_all(kd, (unsigned long)kp->ki_vmspace, &vmspace,
614 warnx("can't read vmspace at %p",
615 (void *)kp->ki_vmspace);
618 map = &vmspace.vm_map;
620 for (entryp = map->header.next;
621 entryp != &kp->ki_vmspace->vm_map.header;
622 entryp = vmentry.next) {
623 if (!kvm_read_all(kd, (unsigned long)entryp, &vmentry,
625 warnx("can't read vm_map_entry at %p",
629 if (vmentry.eflags & MAP_ENTRY_IS_SUB_MAP)
631 if ((objp = vmentry.object.vm_object) == NULL)
633 for (; objp; objp = object.backing_object) {
634 if (!kvm_read_all(kd, (unsigned long)objp,
635 &object, sizeof(object))) {
636 warnx("can't read vm_object at %p",
642 /* We want only vnode objects. */
643 if (object.type != OBJT_VNODE)
646 prot = vmentry.protection;
648 if (prot & VM_PROT_READ)
649 fflags = PS_FST_FFLAG_READ;
650 if ((vmentry.eflags & MAP_ENTRY_COW) == 0 &&
651 prot & VM_PROT_WRITE)
652 fflags |= PS_FST_FFLAG_WRITE;
655 * Create filestat entry.
657 entry = filestat_new_entry(object.handle,
658 PS_FST_TYPE_VNODE, -1, fflags,
659 PS_FST_UFLAG_MMAP, 0, 0, NULL, NULL);
661 STAILQ_INSERT_TAIL(head, entry, next);
669 * kinfo types to filestat translation.
672 kinfo_type2fst(int kftype)
678 { KF_TYPE_PROCDESC, PS_FST_TYPE_PROCDESC },
679 { KF_TYPE_CRYPTO, PS_FST_TYPE_CRYPTO },
680 { KF_TYPE_DEV, PS_FST_TYPE_DEV },
681 { KF_TYPE_FIFO, PS_FST_TYPE_FIFO },
682 { KF_TYPE_KQUEUE, PS_FST_TYPE_KQUEUE },
683 { KF_TYPE_MQUEUE, PS_FST_TYPE_MQUEUE },
684 { KF_TYPE_NONE, PS_FST_TYPE_NONE },
685 { KF_TYPE_PIPE, PS_FST_TYPE_PIPE },
686 { KF_TYPE_PTS, PS_FST_TYPE_PTS },
687 { KF_TYPE_SEM, PS_FST_TYPE_SEM },
688 { KF_TYPE_SHM, PS_FST_TYPE_SHM },
689 { KF_TYPE_SOCKET, PS_FST_TYPE_SOCKET },
690 { KF_TYPE_VNODE, PS_FST_TYPE_VNODE },
691 { KF_TYPE_UNKNOWN, PS_FST_TYPE_UNKNOWN }
693 #define NKFTYPES (sizeof(kftypes2fst) / sizeof(*kftypes2fst))
696 for (i = 0; i < NKFTYPES; i++)
697 if (kftypes2fst[i].kf_type == kftype)
700 return (PS_FST_TYPE_UNKNOWN);
701 return (kftypes2fst[i].fst_type);
705 * kinfo flags to filestat translation.
708 kinfo_fflags2fst(int kfflags)
714 { KF_FLAG_APPEND, PS_FST_FFLAG_APPEND },
715 { KF_FLAG_ASYNC, PS_FST_FFLAG_ASYNC },
716 { KF_FLAG_CREAT, PS_FST_FFLAG_CREAT },
717 { KF_FLAG_DIRECT, PS_FST_FFLAG_DIRECT },
718 { KF_FLAG_EXCL, PS_FST_FFLAG_EXCL },
719 { KF_FLAG_EXEC, PS_FST_FFLAG_EXEC },
720 { KF_FLAG_EXLOCK, PS_FST_FFLAG_EXLOCK },
721 { KF_FLAG_FSYNC, PS_FST_FFLAG_SYNC },
722 { KF_FLAG_HASLOCK, PS_FST_FFLAG_HASLOCK },
723 { KF_FLAG_NOFOLLOW, PS_FST_FFLAG_NOFOLLOW },
724 { KF_FLAG_NONBLOCK, PS_FST_FFLAG_NONBLOCK },
725 { KF_FLAG_READ, PS_FST_FFLAG_READ },
726 { KF_FLAG_SHLOCK, PS_FST_FFLAG_SHLOCK },
727 { KF_FLAG_TRUNC, PS_FST_FFLAG_TRUNC },
728 { KF_FLAG_WRITE, PS_FST_FFLAG_WRITE }
730 #define NKFFLAGS (sizeof(kfflags2fst) / sizeof(*kfflags2fst))
735 for (i = 0; i < NKFFLAGS; i++)
736 if ((kfflags & kfflags2fst[i].kf_flag) != 0)
737 flags |= kfflags2fst[i].fst_flag;
742 kinfo_uflags2fst(int fd)
746 case KF_FD_TYPE_CTTY:
747 return (PS_FST_UFLAG_CTTY);
749 return (PS_FST_UFLAG_CDIR);
750 case KF_FD_TYPE_JAIL:
751 return (PS_FST_UFLAG_JAIL);
752 case KF_FD_TYPE_TEXT:
753 return (PS_FST_UFLAG_TEXT);
754 case KF_FD_TYPE_TRACE:
755 return (PS_FST_UFLAG_TRACE);
756 case KF_FD_TYPE_ROOT:
757 return (PS_FST_UFLAG_RDIR);
762 static struct kinfo_file *
763 kinfo_getfile_core(struct procstat_core *core, int *cntp)
768 struct kinfo_file *kif, *kp, *kf;
770 buf = procstat_core_get(core, PSC_TYPE_FILES, NULL, &len);
774 * XXXMG: The code below is just copy&past from libutil.
775 * The code duplication can be avoided if libutil
776 * is extended to provide something like:
777 * struct kinfo_file *kinfo_getfile_from_buf(const char *buf,
778 * size_t len, int *cntp);
781 /* Pass 1: count items */
786 kf = (struct kinfo_file *)(uintptr_t)bp;
787 if (kf->kf_structsize == 0)
789 bp += kf->kf_structsize;
793 kif = calloc(cnt, sizeof(*kif));
803 kf = (struct kinfo_file *)(uintptr_t)bp;
804 if (kf->kf_structsize == 0)
806 /* Copy/expand into pre-zeroed buffer */
807 memcpy(kp, kf, kf->kf_structsize);
808 /* Advance to next packed record */
809 bp += kf->kf_structsize;
810 /* Set field size to fixed length, advance */
811 kp->kf_structsize = sizeof(*kp);
816 return (kif); /* Caller must free() return value */
819 static struct filestat_list *
820 procstat_getfiles_sysctl(struct procstat *procstat, struct kinfo_proc *kp,
823 struct kinfo_file *kif, *files;
824 struct kinfo_vmentry *kve, *vmentries;
825 struct filestat_list *head;
826 struct filestat *entry;
832 cap_rights_t cap_rights;
835 if (kp->ki_fd == NULL)
837 switch(procstat->type) {
838 case PROCSTAT_SYSCTL:
839 files = kinfo_getfile(kp->ki_pid, &cnt);
842 files = kinfo_getfile_core(procstat->core, &cnt);
845 assert(!"invalid type");
847 if (files == NULL && errno != EPERM) {
848 warn("kinfo_getfile()");
851 procstat->files = files;
854 * Allocate list head.
856 head = malloc(sizeof(*head));
860 for (i = 0; i < cnt; i++) {
863 type = kinfo_type2fst(kif->kf_type);
864 fd = kif->kf_fd >= 0 ? kif->kf_fd : -1;
865 fflags = kinfo_fflags2fst(kif->kf_flags);
866 uflags = kinfo_uflags2fst(kif->kf_fd);
867 refcount = kif->kf_ref_count;
868 offset = kif->kf_offset;
869 if (*kif->kf_path != '\0')
870 path = strdup(kif->kf_path);
873 cap_rights = kif->kf_cap_rights;
876 * Create filestat entry.
878 entry = filestat_new_entry(kif, type, fd, fflags, uflags,
879 refcount, offset, path, &cap_rights);
881 STAILQ_INSERT_TAIL(head, entry, next);
884 vmentries = procstat_getvmmap(procstat, kp, &cnt);
885 procstat->vmentries = vmentries;
886 if (vmentries == NULL || cnt == 0)
888 for (i = 0; i < cnt; i++) {
890 if (kve->kve_type != KVME_TYPE_VNODE)
893 if (kve->kve_protection & KVME_PROT_READ)
894 fflags = PS_FST_FFLAG_READ;
895 if ((kve->kve_flags & KVME_FLAG_COW) == 0 &&
896 kve->kve_protection & KVME_PROT_WRITE)
897 fflags |= PS_FST_FFLAG_WRITE;
898 offset = kve->kve_offset;
899 refcount = kve->kve_ref_count;
900 if (*kve->kve_path != '\0')
901 path = strdup(kve->kve_path);
904 entry = filestat_new_entry(kve, PS_FST_TYPE_VNODE, -1,
905 fflags, PS_FST_UFLAG_MMAP, refcount, offset, path,
908 STAILQ_INSERT_TAIL(head, entry, next);
916 procstat_get_pipe_info(struct procstat *procstat, struct filestat *fst,
917 struct pipestat *ps, char *errbuf)
921 if (procstat->type == PROCSTAT_KVM) {
922 return (procstat_get_pipe_info_kvm(procstat->kd, fst, ps,
924 } else if (procstat->type == PROCSTAT_SYSCTL ||
925 procstat->type == PROCSTAT_CORE) {
926 return (procstat_get_pipe_info_sysctl(fst, ps, errbuf));
928 warnx("unknown access method: %d", procstat->type);
930 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
936 procstat_get_pipe_info_kvm(kvm_t *kd, struct filestat *fst,
937 struct pipestat *ps, char *errbuf)
945 bzero(ps, sizeof(*ps));
946 pipep = fst->fs_typedep;
949 if (!kvm_read_all(kd, (unsigned long)pipep, &pi, sizeof(struct pipe))) {
950 warnx("can't read pipe at %p", (void *)pipep);
953 ps->addr = (uintptr_t)pipep;
954 ps->peer = (uintptr_t)pi.pipe_peer;
955 ps->buffer_cnt = pi.pipe_buffer.cnt;
960 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
965 procstat_get_pipe_info_sysctl(struct filestat *fst, struct pipestat *ps,
966 char *errbuf __unused)
968 struct kinfo_file *kif;
972 bzero(ps, sizeof(*ps));
973 kif = fst->fs_typedep;
976 ps->addr = kif->kf_un.kf_pipe.kf_pipe_addr;
977 ps->peer = kif->kf_un.kf_pipe.kf_pipe_peer;
978 ps->buffer_cnt = kif->kf_un.kf_pipe.kf_pipe_buffer_cnt;
983 procstat_get_pts_info(struct procstat *procstat, struct filestat *fst,
984 struct ptsstat *pts, char *errbuf)
988 if (procstat->type == PROCSTAT_KVM) {
989 return (procstat_get_pts_info_kvm(procstat->kd, fst, pts,
991 } else if (procstat->type == PROCSTAT_SYSCTL ||
992 procstat->type == PROCSTAT_CORE) {
993 return (procstat_get_pts_info_sysctl(fst, pts, errbuf));
995 warnx("unknown access method: %d", procstat->type);
997 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1003 procstat_get_pts_info_kvm(kvm_t *kd, struct filestat *fst,
1004 struct ptsstat *pts, char *errbuf)
1012 bzero(pts, sizeof(*pts));
1013 ttyp = fst->fs_typedep;
1016 if (!kvm_read_all(kd, (unsigned long)ttyp, &tty, sizeof(struct tty))) {
1017 warnx("can't read tty at %p", (void *)ttyp);
1020 pts->dev = dev2udev(kd, tty.t_dev);
1021 (void)kdevtoname(kd, tty.t_dev, pts->devname);
1026 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1031 procstat_get_pts_info_sysctl(struct filestat *fst, struct ptsstat *pts,
1032 char *errbuf __unused)
1034 struct kinfo_file *kif;
1038 bzero(pts, sizeof(*pts));
1039 kif = fst->fs_typedep;
1042 pts->dev = kif->kf_un.kf_pts.kf_pts_dev;
1043 strlcpy(pts->devname, kif->kf_path, sizeof(pts->devname));
1048 procstat_get_sem_info(struct procstat *procstat, struct filestat *fst,
1049 struct semstat *sem, char *errbuf)
1053 if (procstat->type == PROCSTAT_KVM) {
1054 return (procstat_get_sem_info_kvm(procstat->kd, fst, sem,
1056 } else if (procstat->type == PROCSTAT_SYSCTL ||
1057 procstat->type == PROCSTAT_CORE) {
1058 return (procstat_get_sem_info_sysctl(fst, sem, errbuf));
1060 warnx("unknown access method: %d", procstat->type);
1062 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1068 procstat_get_sem_info_kvm(kvm_t *kd, struct filestat *fst,
1069 struct semstat *sem, char *errbuf)
1079 bzero(sem, sizeof(*sem));
1080 ksemp = fst->fs_typedep;
1083 if (!kvm_read_all(kd, (unsigned long)ksemp, &ksem,
1084 sizeof(struct ksem))) {
1085 warnx("can't read ksem at %p", (void *)ksemp);
1088 sem->mode = S_IFREG | ksem.ks_mode;
1089 sem->value = ksem.ks_value;
1090 if (fst->fs_path == NULL && ksem.ks_path != NULL) {
1091 path = malloc(MAXPATHLEN);
1092 for (i = 0; i < MAXPATHLEN - 1; i++) {
1093 if (!kvm_read_all(kd, (unsigned long)ksem.ks_path + i,
1096 if (path[i] == '\0')
1103 fst->fs_path = path;
1109 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1114 procstat_get_sem_info_sysctl(struct filestat *fst, struct semstat *sem,
1115 char *errbuf __unused)
1117 struct kinfo_file *kif;
1121 bzero(sem, sizeof(*sem));
1122 kif = fst->fs_typedep;
1125 sem->value = kif->kf_un.kf_sem.kf_sem_value;
1126 sem->mode = kif->kf_un.kf_sem.kf_sem_mode;
1131 procstat_get_shm_info(struct procstat *procstat, struct filestat *fst,
1132 struct shmstat *shm, char *errbuf)
1136 if (procstat->type == PROCSTAT_KVM) {
1137 return (procstat_get_shm_info_kvm(procstat->kd, fst, shm,
1139 } else if (procstat->type == PROCSTAT_SYSCTL ||
1140 procstat->type == PROCSTAT_CORE) {
1141 return (procstat_get_shm_info_sysctl(fst, shm, errbuf));
1143 warnx("unknown access method: %d", procstat->type);
1145 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1151 procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst,
1152 struct shmstat *shm, char *errbuf)
1162 bzero(shm, sizeof(*shm));
1163 shmfdp = fst->fs_typedep;
1166 if (!kvm_read_all(kd, (unsigned long)shmfdp, &shmfd,
1167 sizeof(struct shmfd))) {
1168 warnx("can't read shmfd at %p", (void *)shmfdp);
1171 shm->mode = S_IFREG | shmfd.shm_mode;
1172 shm->size = shmfd.shm_size;
1173 if (fst->fs_path == NULL && shmfd.shm_path != NULL) {
1174 path = malloc(MAXPATHLEN);
1175 for (i = 0; i < MAXPATHLEN - 1; i++) {
1176 if (!kvm_read_all(kd, (unsigned long)shmfd.shm_path + i,
1179 if (path[i] == '\0')
1186 fst->fs_path = path;
1192 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1197 procstat_get_shm_info_sysctl(struct filestat *fst, struct shmstat *shm,
1198 char *errbuf __unused)
1200 struct kinfo_file *kif;
1204 bzero(shm, sizeof(*shm));
1205 kif = fst->fs_typedep;
1208 shm->size = kif->kf_un.kf_file.kf_file_size;
1209 shm->mode = kif->kf_un.kf_file.kf_file_mode;
1214 procstat_get_vnode_info(struct procstat *procstat, struct filestat *fst,
1215 struct vnstat *vn, char *errbuf)
1219 if (procstat->type == PROCSTAT_KVM) {
1220 return (procstat_get_vnode_info_kvm(procstat->kd, fst, vn,
1222 } else if (procstat->type == PROCSTAT_SYSCTL ||
1223 procstat->type == PROCSTAT_CORE) {
1224 return (procstat_get_vnode_info_sysctl(fst, vn, errbuf));
1226 warnx("unknown access method: %d", procstat->type);
1228 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1234 procstat_get_vnode_info_kvm(kvm_t *kd, struct filestat *fst,
1235 struct vnstat *vn, char *errbuf)
1237 /* Filesystem specific handlers. */
1238 #define FSTYPE(fst) {#fst, fst##_filestat}
1241 int (*handler)(kvm_t *kd, struct vnode *vp,
1251 #ifdef LIBPROCSTAT_ZFS
1255 #define NTYPES (sizeof(fstypes) / sizeof(*fstypes))
1265 vp = fst->fs_typedep;
1268 error = kvm_read_all(kd, (unsigned long)vp, &vnode, sizeof(vnode));
1270 warnx("can't read vnode at %p", (void *)vp);
1273 bzero(vn, sizeof(*vn));
1274 vn->vn_type = vntype2psfsttype(vnode.v_type);
1275 if (vnode.v_type == VNON || vnode.v_type == VBAD)
1277 error = kvm_read_all(kd, (unsigned long)vnode.v_tag, tagstr,
1280 warnx("can't read v_tag at %p", (void *)vp);
1283 tagstr[sizeof(tagstr) - 1] = '\0';
1286 * Find appropriate handler.
1288 for (i = 0; i < NTYPES; i++)
1289 if (!strcmp(fstypes[i].tag, tagstr)) {
1290 if (fstypes[i].handler(kd, &vnode, vn) != 0) {
1297 snprintf(errbuf, _POSIX2_LINE_MAX, "?(%s)", tagstr);
1300 vn->vn_mntdir = getmnton(kd, vnode.v_mount);
1301 if ((vnode.v_type == VBLK || vnode.v_type == VCHR) &&
1302 vnode.v_rdev != NULL){
1303 vn->vn_dev = dev2udev(kd, vnode.v_rdev);
1304 (void)kdevtoname(kd, vnode.v_rdev, vn->vn_devname);
1312 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1317 * kinfo vnode type to filestat translation.
1320 kinfo_vtype2fst(int kfvtype)
1325 } kfvtypes2fst[] = {
1326 { KF_VTYPE_VBAD, PS_FST_VTYPE_VBAD },
1327 { KF_VTYPE_VBLK, PS_FST_VTYPE_VBLK },
1328 { KF_VTYPE_VCHR, PS_FST_VTYPE_VCHR },
1329 { KF_VTYPE_VDIR, PS_FST_VTYPE_VDIR },
1330 { KF_VTYPE_VFIFO, PS_FST_VTYPE_VFIFO },
1331 { KF_VTYPE_VLNK, PS_FST_VTYPE_VLNK },
1332 { KF_VTYPE_VNON, PS_FST_VTYPE_VNON },
1333 { KF_VTYPE_VREG, PS_FST_VTYPE_VREG },
1334 { KF_VTYPE_VSOCK, PS_FST_VTYPE_VSOCK }
1336 #define NKFVTYPES (sizeof(kfvtypes2fst) / sizeof(*kfvtypes2fst))
1339 for (i = 0; i < NKFVTYPES; i++)
1340 if (kfvtypes2fst[i].kf_vtype == kfvtype)
1343 return (PS_FST_VTYPE_UNKNOWN);
1344 return (kfvtypes2fst[i].fst_vtype);
1348 procstat_get_vnode_info_sysctl(struct filestat *fst, struct vnstat *vn,
1351 struct statfs stbuf;
1352 struct kinfo_file *kif;
1353 struct kinfo_vmentry *kve;
1365 bzero(vn, sizeof(*vn));
1366 if (fst->fs_typedep == NULL)
1368 if (fst->fs_uflags & PS_FST_UFLAG_MMAP) {
1369 kve = fst->fs_typedep;
1370 fileid = kve->kve_vn_fileid;
1371 fsid = kve->kve_vn_fsid;
1372 mode = kve->kve_vn_mode;
1373 path = kve->kve_path;
1374 rdev = kve->kve_vn_rdev;
1375 size = kve->kve_vn_size;
1376 vntype = kinfo_vtype2fst(kve->kve_vn_type);
1377 status = kve->kve_status;
1379 kif = fst->fs_typedep;
1380 fileid = kif->kf_un.kf_file.kf_file_fileid;
1381 fsid = kif->kf_un.kf_file.kf_file_fsid;
1382 mode = kif->kf_un.kf_file.kf_file_mode;
1383 path = kif->kf_path;
1384 rdev = kif->kf_un.kf_file.kf_file_rdev;
1385 size = kif->kf_un.kf_file.kf_file_size;
1386 vntype = kinfo_vtype2fst(kif->kf_vnode_type);
1387 status = kif->kf_status;
1389 vn->vn_type = vntype;
1390 if (vntype == PS_FST_VTYPE_VNON || vntype == PS_FST_VTYPE_VBAD)
1392 if ((status & KF_ATTR_VALID) == 0) {
1393 if (errbuf != NULL) {
1394 snprintf(errbuf, _POSIX2_LINE_MAX,
1395 "? (no info available)");
1399 if (path && *path) {
1400 statfs(path, &stbuf);
1401 vn->vn_mntdir = strdup(stbuf.f_mntonname);
1403 vn->vn_mntdir = strdup("-");
1405 if (vntype == PS_FST_VTYPE_VBLK) {
1406 name = devname(rdev, S_IFBLK);
1408 strlcpy(vn->vn_devname, name,
1409 sizeof(vn->vn_devname));
1410 } else if (vntype == PS_FST_VTYPE_VCHR) {
1411 name = devname(vn->vn_dev, S_IFCHR);
1413 strlcpy(vn->vn_devname, name,
1414 sizeof(vn->vn_devname));
1417 vn->vn_fileid = fileid;
1424 procstat_get_socket_info(struct procstat *procstat, struct filestat *fst,
1425 struct sockstat *sock, char *errbuf)
1429 if (procstat->type == PROCSTAT_KVM) {
1430 return (procstat_get_socket_info_kvm(procstat->kd, fst, sock,
1432 } else if (procstat->type == PROCSTAT_SYSCTL ||
1433 procstat->type == PROCSTAT_CORE) {
1434 return (procstat_get_socket_info_sysctl(fst, sock, errbuf));
1436 warnx("unknown access method: %d", procstat->type);
1438 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1444 procstat_get_socket_info_kvm(kvm_t *kd, struct filestat *fst,
1445 struct sockstat *sock, char *errbuf)
1449 struct protosw proto;
1458 bzero(sock, sizeof(*sock));
1459 so = fst->fs_typedep;
1462 sock->so_addr = (uintptr_t)so;
1463 /* fill in socket */
1464 if (!kvm_read_all(kd, (unsigned long)so, &s,
1465 sizeof(struct socket))) {
1466 warnx("can't read sock at %p", (void *)so);
1469 /* fill in protosw entry */
1470 if (!kvm_read_all(kd, (unsigned long)s.so_proto, &proto,
1471 sizeof(struct protosw))) {
1472 warnx("can't read protosw at %p", (void *)s.so_proto);
1475 /* fill in domain */
1476 if (!kvm_read_all(kd, (unsigned long)proto.pr_domain, &dom,
1477 sizeof(struct domain))) {
1478 warnx("can't read domain at %p",
1479 (void *)proto.pr_domain);
1482 if ((len = kvm_read(kd, (unsigned long)dom.dom_name, sock->dname,
1483 sizeof(sock->dname) - 1)) < 0) {
1484 warnx("can't read domain name at %p", (void *)dom.dom_name);
1485 sock->dname[0] = '\0';
1488 sock->dname[len] = '\0';
1491 * Fill in known data.
1493 sock->type = s.so_type;
1494 sock->proto = proto.pr_protocol;
1495 sock->dom_family = dom.dom_family;
1496 sock->so_pcb = (uintptr_t)s.so_pcb;
1499 * Protocol specific data.
1501 switch(dom.dom_family) {
1504 if (proto.pr_protocol == IPPROTO_TCP) {
1506 if (kvm_read(kd, (u_long)s.so_pcb,
1507 (char *)&inpcb, sizeof(struct inpcb))
1508 != sizeof(struct inpcb)) {
1509 warnx("can't read inpcb at %p",
1513 (uintptr_t)inpcb.inp_ppcb;
1514 sock->sendq = s.so_snd.sb_ccc;
1515 sock->recvq = s.so_rcv.sb_ccc;
1521 if (kvm_read(kd, (u_long)s.so_pcb, (char *)&unpcb,
1522 sizeof(struct unpcb)) != sizeof(struct unpcb)){
1523 warnx("can't read unpcb at %p",
1525 } else if (unpcb.unp_conn) {
1526 sock->so_rcv_sb_state = s.so_rcv.sb_state;
1527 sock->so_snd_sb_state = s.so_snd.sb_state;
1528 sock->unp_conn = (uintptr_t)unpcb.unp_conn;
1529 sock->sendq = s.so_snd.sb_ccc;
1530 sock->recvq = s.so_rcv.sb_ccc;
1541 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1546 procstat_get_socket_info_sysctl(struct filestat *fst, struct sockstat *sock,
1547 char *errbuf __unused)
1549 struct kinfo_file *kif;
1553 bzero(sock, sizeof(*sock));
1554 kif = fst->fs_typedep;
1559 * Fill in known data.
1561 sock->type = kif->kf_sock_type;
1562 sock->proto = kif->kf_sock_protocol;
1563 sock->dom_family = kif->kf_sock_domain;
1564 sock->so_pcb = kif->kf_un.kf_sock.kf_sock_pcb;
1565 strlcpy(sock->dname, kif->kf_path, sizeof(sock->dname));
1566 bcopy(&kif->kf_un.kf_sock.kf_sa_local, &sock->sa_local,
1567 kif->kf_un.kf_sock.kf_sa_local.ss_len);
1568 bcopy(&kif->kf_un.kf_sock.kf_sa_peer, &sock->sa_peer,
1569 kif->kf_un.kf_sock.kf_sa_peer.ss_len);
1572 * Protocol specific data.
1574 switch(sock->dom_family) {
1577 if (sock->proto == IPPROTO_TCP) {
1578 sock->inp_ppcb = kif->kf_un.kf_sock.kf_sock_inpcb;
1579 sock->sendq = kif->kf_un.kf_sock.kf_sock_sendq;
1580 sock->recvq = kif->kf_un.kf_sock.kf_sock_recvq;
1584 if (kif->kf_un.kf_sock.kf_sock_unpconn != 0) {
1585 sock->so_rcv_sb_state =
1586 kif->kf_un.kf_sock.kf_sock_rcv_sb_state;
1587 sock->so_snd_sb_state =
1588 kif->kf_un.kf_sock.kf_sock_snd_sb_state;
1590 kif->kf_un.kf_sock.kf_sock_unpconn;
1591 sock->sendq = kif->kf_un.kf_sock.kf_sock_sendq;
1592 sock->recvq = kif->kf_un.kf_sock.kf_sock_recvq;
1602 * Descriptor flags to filestat translation.
1605 to_filestat_flags(int flags)
1611 { FREAD, PS_FST_FFLAG_READ },
1612 { FWRITE, PS_FST_FFLAG_WRITE },
1613 { O_APPEND, PS_FST_FFLAG_APPEND },
1614 { O_ASYNC, PS_FST_FFLAG_ASYNC },
1615 { O_CREAT, PS_FST_FFLAG_CREAT },
1616 { O_DIRECT, PS_FST_FFLAG_DIRECT },
1617 { O_EXCL, PS_FST_FFLAG_EXCL },
1618 { O_EXEC, PS_FST_FFLAG_EXEC },
1619 { O_EXLOCK, PS_FST_FFLAG_EXLOCK },
1620 { O_NOFOLLOW, PS_FST_FFLAG_NOFOLLOW },
1621 { O_NONBLOCK, PS_FST_FFLAG_NONBLOCK },
1622 { O_SHLOCK, PS_FST_FFLAG_SHLOCK },
1623 { O_SYNC, PS_FST_FFLAG_SYNC },
1624 { O_TRUNC, PS_FST_FFLAG_TRUNC }
1626 #define NFSTFLAGS (sizeof(fstflags) / sizeof(*fstflags))
1631 for (i = 0; i < NFSTFLAGS; i++)
1632 if (flags & fstflags[i].flag)
1633 fst_flags |= fstflags[i].fst_flag;
1638 * Vnode type to filestate translation.
1641 vntype2psfsttype(int type)
1647 { VBAD, PS_FST_VTYPE_VBAD },
1648 { VBLK, PS_FST_VTYPE_VBLK },
1649 { VCHR, PS_FST_VTYPE_VCHR },
1650 { VDIR, PS_FST_VTYPE_VDIR },
1651 { VFIFO, PS_FST_VTYPE_VFIFO },
1652 { VLNK, PS_FST_VTYPE_VLNK },
1653 { VNON, PS_FST_VTYPE_VNON },
1654 { VREG, PS_FST_VTYPE_VREG },
1655 { VSOCK, PS_FST_VTYPE_VSOCK }
1657 #define NVFTYPES (sizeof(vt2fst) / sizeof(*vt2fst))
1658 unsigned int i, fst_type;
1660 fst_type = PS_FST_VTYPE_UNKNOWN;
1661 for (i = 0; i < NVFTYPES; i++) {
1662 if (type == vt2fst[i].vtype) {
1663 fst_type = vt2fst[i].fst_vtype;
1671 getmnton(kvm_t *kd, struct mount *m)
1674 static struct mtab {
1677 char mntonname[MNAMELEN + 1];
1681 for (mt = mhead; mt != NULL; mt = mt->next)
1683 return (mt->mntonname);
1684 if (!kvm_read_all(kd, (unsigned long)m, &mnt, sizeof(struct mount))) {
1685 warnx("can't read mount table at %p", (void *)m);
1688 if ((mt = malloc(sizeof (struct mtab))) == NULL)
1691 bcopy(&mnt.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN);
1692 mt->mntonname[MNAMELEN] = '\0';
1695 return (mt->mntonname);
1699 * Auxiliary structures and functions to get process environment or
1700 * command line arguments.
1709 static struct argvec *
1710 argvec_alloc(size_t bufsize)
1714 av = malloc(sizeof(*av));
1717 av->bufsize = bufsize;
1718 av->buf = malloc(av->bufsize);
1719 if (av->buf == NULL) {
1724 av->argv = malloc(sizeof(char *) * av->argc);
1725 if (av->argv == NULL) {
1734 argvec_free(struct argvec * av)
1743 getargv(struct procstat *procstat, struct kinfo_proc *kp, size_t nchr, int env)
1745 int error, name[4], argc, i;
1746 struct argvec *av, **avp;
1753 if (procstat->type == PROCSTAT_KVM) {
1754 warnx("can't use kvm access method");
1757 if (procstat->type != PROCSTAT_SYSCTL &&
1758 procstat->type != PROCSTAT_CORE) {
1759 warnx("unknown access method: %d", procstat->type);
1763 if (nchr == 0 || nchr > ARG_MAX)
1766 avp = (struct argvec **)(env ? &procstat->argv : &procstat->envv);
1771 av = argvec_alloc(nchr);
1774 warn("malloc(%zu)", nchr);
1778 } else if (av->bufsize < nchr) {
1779 av->buf = reallocf(av->buf, nchr);
1780 if (av->buf == NULL) {
1781 warn("malloc(%zu)", nchr);
1785 if (procstat->type == PROCSTAT_SYSCTL) {
1787 name[1] = KERN_PROC;
1788 name[2] = env ? KERN_PROC_ENV : KERN_PROC_ARGS;
1789 name[3] = kp->ki_pid;
1791 error = sysctl(name, nitems(name), av->buf, &len, NULL, 0);
1792 if (error != 0 && errno != ESRCH && errno != EPERM)
1793 warn("sysctl(kern.proc.%s)", env ? "env" : "args");
1794 if (error != 0 || len == 0)
1796 } else /* procstat->type == PROCSTAT_CORE */ {
1797 type = env ? PSC_TYPE_ENVV : PSC_TYPE_ARGV;
1799 if (procstat_core_get(procstat->core, type, av->buf, &len)
1808 for (p = av->buf; p < av->buf + len; p += strlen(p) + 1) {
1814 argv = realloc(argv, sizeof(char *) * argc);
1816 warn("malloc(%zu)", sizeof(char *) * argc);
1828 * Return process command line arguments.
1831 procstat_getargv(struct procstat *procstat, struct kinfo_proc *p, size_t nchr)
1834 return (getargv(procstat, p, nchr, 0));
1838 * Free the buffer allocated by procstat_getargv().
1841 procstat_freeargv(struct procstat *procstat)
1844 if (procstat->argv != NULL) {
1845 argvec_free(procstat->argv);
1846 procstat->argv = NULL;
1851 * Return process environment.
1854 procstat_getenvv(struct procstat *procstat, struct kinfo_proc *p, size_t nchr)
1857 return (getargv(procstat, p, nchr, 1));
1861 * Free the buffer allocated by procstat_getenvv().
1864 procstat_freeenvv(struct procstat *procstat)
1866 if (procstat->envv != NULL) {
1867 argvec_free(procstat->envv);
1868 procstat->envv = NULL;
1872 static struct kinfo_vmentry *
1873 kinfo_getvmmap_core(struct procstat_core *core, int *cntp)
1877 char *buf, *bp, *eb;
1878 struct kinfo_vmentry *kiv, *kp, *kv;
1880 buf = procstat_core_get(core, PSC_TYPE_VMMAP, NULL, &len);
1885 * XXXMG: The code below is just copy&past from libutil.
1886 * The code duplication can be avoided if libutil
1887 * is extended to provide something like:
1888 * struct kinfo_vmentry *kinfo_getvmmap_from_buf(const char *buf,
1889 * size_t len, int *cntp);
1892 /* Pass 1: count items */
1897 kv = (struct kinfo_vmentry *)(uintptr_t)bp;
1898 if (kv->kve_structsize == 0)
1900 bp += kv->kve_structsize;
1904 kiv = calloc(cnt, sizeof(*kiv));
1912 /* Pass 2: unpack */
1914 kv = (struct kinfo_vmentry *)(uintptr_t)bp;
1915 if (kv->kve_structsize == 0)
1917 /* Copy/expand into pre-zeroed buffer */
1918 memcpy(kp, kv, kv->kve_structsize);
1919 /* Advance to next packed record */
1920 bp += kv->kve_structsize;
1921 /* Set field size to fixed length, advance */
1922 kp->kve_structsize = sizeof(*kp);
1927 return (kiv); /* Caller must free() return value */
1930 struct kinfo_vmentry *
1931 procstat_getvmmap(struct procstat *procstat, struct kinfo_proc *kp,
1935 switch(procstat->type) {
1937 warnx("kvm method is not supported");
1939 case PROCSTAT_SYSCTL:
1940 return (kinfo_getvmmap(kp->ki_pid, cntp));
1942 return (kinfo_getvmmap_core(procstat->core, cntp));
1944 warnx("unknown access method: %d", procstat->type);
1950 procstat_freevmmap(struct procstat *procstat __unused,
1951 struct kinfo_vmentry *vmmap)
1958 procstat_getgroups_kvm(kvm_t *kd, struct kinfo_proc *kp, unsigned int *cntp)
1967 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
1969 warnx("can't read proc struct at %p for pid %d",
1970 kp->ki_paddr, kp->ki_pid);
1973 if (proc.p_ucred == NOCRED)
1975 if (!kvm_read_all(kd, (unsigned long)proc.p_ucred, &ucred,
1977 warnx("can't read ucred struct at %p for pid %d",
1978 proc.p_ucred, kp->ki_pid);
1981 len = ucred.cr_ngroups * sizeof(gid_t);
1982 groups = malloc(len);
1983 if (groups == NULL) {
1984 warn("malloc(%zu)", len);
1987 if (!kvm_read_all(kd, (unsigned long)ucred.cr_groups, groups, len)) {
1988 warnx("can't read groups at %p for pid %d",
1989 ucred.cr_groups, kp->ki_pid);
1993 *cntp = ucred.cr_ngroups;
1998 procstat_getgroups_sysctl(pid_t pid, unsigned int *cntp)
2006 mib[2] = KERN_PROC_GROUPS;
2008 len = (sysconf(_SC_NGROUPS_MAX) + 1) * sizeof(gid_t);
2009 groups = malloc(len);
2010 if (groups == NULL) {
2011 warn("malloc(%zu)", len);
2014 if (sysctl(mib, nitems(mib), groups, &len, NULL, 0) == -1) {
2015 warn("sysctl: kern.proc.groups: %d", pid);
2019 *cntp = len / sizeof(gid_t);
2024 procstat_getgroups_core(struct procstat_core *core, unsigned int *cntp)
2029 groups = procstat_core_get(core, PSC_TYPE_GROUPS, NULL, &len);
2032 *cntp = len / sizeof(gid_t);
2037 procstat_getgroups(struct procstat *procstat, struct kinfo_proc *kp,
2040 switch(procstat->type) {
2042 return (procstat_getgroups_kvm(procstat->kd, kp, cntp));
2043 case PROCSTAT_SYSCTL:
2044 return (procstat_getgroups_sysctl(kp->ki_pid, cntp));
2046 return (procstat_getgroups_core(procstat->core, cntp));
2048 warnx("unknown access method: %d", procstat->type);
2054 procstat_freegroups(struct procstat *procstat __unused, gid_t *groups)
2061 procstat_getumask_kvm(kvm_t *kd, struct kinfo_proc *kp, unsigned short *maskp)
2067 if (kp->ki_fd == NULL)
2069 if (!kvm_read_all(kd, (unsigned long)kp->ki_fd, &fd, sizeof(fd))) {
2070 warnx("can't read filedesc at %p for pid %d", kp->ki_fd,
2074 *maskp = fd.fd_cmask;
2079 procstat_getumask_sysctl(pid_t pid, unsigned short *maskp)
2087 mib[2] = KERN_PROC_UMASK;
2089 len = sizeof(*maskp);
2090 error = sysctl(mib, nitems(mib), maskp, &len, NULL, 0);
2091 if (error != 0 && errno != ESRCH && errno != EPERM)
2092 warn("sysctl: kern.proc.umask: %d", pid);
2097 procstat_getumask_core(struct procstat_core *core, unsigned short *maskp)
2100 unsigned short *buf;
2102 buf = procstat_core_get(core, PSC_TYPE_UMASK, NULL, &len);
2105 if (len < sizeof(*maskp)) {
2115 procstat_getumask(struct procstat *procstat, struct kinfo_proc *kp,
2116 unsigned short *maskp)
2118 switch(procstat->type) {
2120 return (procstat_getumask_kvm(procstat->kd, kp, maskp));
2121 case PROCSTAT_SYSCTL:
2122 return (procstat_getumask_sysctl(kp->ki_pid, maskp));
2124 return (procstat_getumask_core(procstat->core, maskp));
2126 warnx("unknown access method: %d", procstat->type);
2132 procstat_getrlimit_kvm(kvm_t *kd, struct kinfo_proc *kp, int which,
2133 struct rlimit* rlimit)
2136 unsigned long offset;
2140 assert(which >= 0 && which < RLIM_NLIMITS);
2141 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
2143 warnx("can't read proc struct at %p for pid %d",
2144 kp->ki_paddr, kp->ki_pid);
2147 if (proc.p_limit == NULL)
2149 offset = (unsigned long)proc.p_limit + sizeof(struct rlimit) * which;
2150 if (!kvm_read_all(kd, offset, rlimit, sizeof(*rlimit))) {
2151 warnx("can't read rlimit struct at %p for pid %d",
2152 (void *)offset, kp->ki_pid);
2159 procstat_getrlimit_sysctl(pid_t pid, int which, struct rlimit* rlimit)
2165 name[1] = KERN_PROC;
2166 name[2] = KERN_PROC_RLIMIT;
2169 len = sizeof(struct rlimit);
2170 error = sysctl(name, nitems(name), rlimit, &len, NULL, 0);
2171 if (error < 0 && errno != ESRCH) {
2172 warn("sysctl: kern.proc.rlimit: %d", pid);
2175 if (error < 0 || len != sizeof(struct rlimit))
2181 procstat_getrlimit_core(struct procstat_core *core, int which,
2182 struct rlimit* rlimit)
2185 struct rlimit* rlimits;
2187 if (which < 0 || which >= RLIM_NLIMITS) {
2189 warn("getrlimit: which");
2192 rlimits = procstat_core_get(core, PSC_TYPE_RLIMIT, NULL, &len);
2193 if (rlimits == NULL)
2195 if (len < sizeof(struct rlimit) * RLIM_NLIMITS) {
2199 *rlimit = rlimits[which];
2205 procstat_getrlimit(struct procstat *procstat, struct kinfo_proc *kp, int which,
2206 struct rlimit* rlimit)
2208 switch(procstat->type) {
2210 return (procstat_getrlimit_kvm(procstat->kd, kp, which,
2212 case PROCSTAT_SYSCTL:
2213 return (procstat_getrlimit_sysctl(kp->ki_pid, which, rlimit));
2215 return (procstat_getrlimit_core(procstat->core, which, rlimit));
2217 warnx("unknown access method: %d", procstat->type);
2223 procstat_getpathname_sysctl(pid_t pid, char *pathname, size_t maxlen)
2229 name[1] = KERN_PROC;
2230 name[2] = KERN_PROC_PATHNAME;
2233 error = sysctl(name, nitems(name), pathname, &len, NULL, 0);
2234 if (error != 0 && errno != ESRCH)
2235 warn("sysctl: kern.proc.pathname: %d", pid);
2242 procstat_getpathname_core(struct procstat_core *core, char *pathname,
2245 struct kinfo_file *files;
2248 files = kinfo_getfile_core(core, &cnt);
2252 for (i = 0; i < cnt; i++) {
2253 if (files[i].kf_fd != KF_FD_TYPE_TEXT)
2255 strncpy(pathname, files[i].kf_path, maxlen);
2264 procstat_getpathname(struct procstat *procstat, struct kinfo_proc *kp,
2265 char *pathname, size_t maxlen)
2267 switch(procstat->type) {
2269 /* XXX: Return empty string. */
2273 case PROCSTAT_SYSCTL:
2274 return (procstat_getpathname_sysctl(kp->ki_pid, pathname,
2277 return (procstat_getpathname_core(procstat->core, pathname,
2280 warnx("unknown access method: %d", procstat->type);
2286 procstat_getosrel_kvm(kvm_t *kd, struct kinfo_proc *kp, int *osrelp)
2292 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
2294 warnx("can't read proc struct at %p for pid %d",
2295 kp->ki_paddr, kp->ki_pid);
2298 *osrelp = proc.p_osrel;
2303 procstat_getosrel_sysctl(pid_t pid, int *osrelp)
2309 name[1] = KERN_PROC;
2310 name[2] = KERN_PROC_OSREL;
2312 len = sizeof(*osrelp);
2313 error = sysctl(name, nitems(name), osrelp, &len, NULL, 0);
2314 if (error != 0 && errno != ESRCH)
2315 warn("sysctl: kern.proc.osrel: %d", pid);
2320 procstat_getosrel_core(struct procstat_core *core, int *osrelp)
2325 buf = procstat_core_get(core, PSC_TYPE_OSREL, NULL, &len);
2328 if (len < sizeof(*osrelp)) {
2338 procstat_getosrel(struct procstat *procstat, struct kinfo_proc *kp, int *osrelp)
2340 switch(procstat->type) {
2342 return (procstat_getosrel_kvm(procstat->kd, kp, osrelp));
2343 case PROCSTAT_SYSCTL:
2344 return (procstat_getosrel_sysctl(kp->ki_pid, osrelp));
2346 return (procstat_getosrel_core(procstat->core, osrelp));
2348 warnx("unknown access method: %d", procstat->type);
2353 #define PROC_AUXV_MAX 256
2355 #if __ELF_WORD_SIZE == 64
2356 static const char *elf32_sv_names[] = {
2362 is_elf32_sysctl(pid_t pid)
2366 static char sv_name[256];
2369 name[1] = KERN_PROC;
2370 name[2] = KERN_PROC_SV_NAME;
2372 len = sizeof(sv_name);
2373 error = sysctl(name, nitems(name), sv_name, &len, NULL, 0);
2374 if (error != 0 || len == 0)
2376 for (i = 0; i < sizeof(elf32_sv_names) / sizeof(*elf32_sv_names); i++) {
2377 if (strncmp(sv_name, elf32_sv_names[i], sizeof(sv_name)) == 0)
2383 static Elf_Auxinfo *
2384 procstat_getauxv32_sysctl(pid_t pid, unsigned int *cntp)
2387 Elf32_Auxinfo *auxv32;
2390 unsigned int i, count;
2394 name[1] = KERN_PROC;
2395 name[2] = KERN_PROC_AUXV;
2397 len = PROC_AUXV_MAX * sizeof(Elf32_Auxinfo);
2399 auxv32 = malloc(len);
2400 if (auxv32 == NULL) {
2401 warn("malloc(%zu)", len);
2404 if (sysctl(name, nitems(name), auxv32, &len, NULL, 0) == -1) {
2405 if (errno != ESRCH && errno != EPERM)
2406 warn("sysctl: kern.proc.auxv: %d: %d", pid, errno);
2409 count = len / sizeof(Elf_Auxinfo);
2410 auxv = malloc(count * sizeof(Elf_Auxinfo));
2412 warn("malloc(%zu)", count * sizeof(Elf_Auxinfo));
2415 for (i = 0; i < count; i++) {
2417 * XXX: We expect that values for a_type on a 32-bit platform
2418 * are directly mapped to values on 64-bit one, which is not
2421 auxv[i].a_type = auxv32[i].a_type;
2422 ptr = &auxv32[i].a_un;
2423 auxv[i].a_un.a_val = *((uint32_t *)ptr);
2430 #endif /* __ELF_WORD_SIZE == 64 */
2432 static Elf_Auxinfo *
2433 procstat_getauxv_sysctl(pid_t pid, unsigned int *cntp)
2439 #if __ELF_WORD_SIZE == 64
2440 if (is_elf32_sysctl(pid))
2441 return (procstat_getauxv32_sysctl(pid, cntp));
2444 name[1] = KERN_PROC;
2445 name[2] = KERN_PROC_AUXV;
2447 len = PROC_AUXV_MAX * sizeof(Elf_Auxinfo);
2450 warn("malloc(%zu)", len);
2453 if (sysctl(name, nitems(name), auxv, &len, NULL, 0) == -1) {
2454 if (errno != ESRCH && errno != EPERM)
2455 warn("sysctl: kern.proc.auxv: %d: %d", pid, errno);
2459 *cntp = len / sizeof(Elf_Auxinfo);
2463 static Elf_Auxinfo *
2464 procstat_getauxv_core(struct procstat_core *core, unsigned int *cntp)
2469 auxv = procstat_core_get(core, PSC_TYPE_AUXV, NULL, &len);
2472 *cntp = len / sizeof(Elf_Auxinfo);
2477 procstat_getauxv(struct procstat *procstat, struct kinfo_proc *kp,
2480 switch(procstat->type) {
2482 warnx("kvm method is not supported");
2484 case PROCSTAT_SYSCTL:
2485 return (procstat_getauxv_sysctl(kp->ki_pid, cntp));
2487 return (procstat_getauxv_core(procstat->core, cntp));
2489 warnx("unknown access method: %d", procstat->type);
2495 procstat_freeauxv(struct procstat *procstat __unused, Elf_Auxinfo *auxv)
2501 static struct ptrace_lwpinfo *
2502 procstat_getptlwpinfo_core(struct procstat_core *core, unsigned int *cntp)
2505 struct ptrace_lwpinfo *pl;
2509 cnt = procstat_core_note_count(core, PSC_TYPE_PTLWPINFO);
2513 len = cnt * sizeof(*pl);
2514 buf = calloc(1, len);
2515 pl = procstat_core_get(core, PSC_TYPE_PTLWPINFO, buf, &len);
2520 *cntp = len / sizeof(*pl);
2524 struct ptrace_lwpinfo *
2525 procstat_getptlwpinfo(struct procstat *procstat, unsigned int *cntp)
2527 switch (procstat->type) {
2529 warnx("kvm method is not supported");
2531 case PROCSTAT_SYSCTL:
2532 warnx("sysctl method is not supported");
2535 return (procstat_getptlwpinfo_core(procstat->core, cntp));
2537 warnx("unknown access method: %d", procstat->type);
2543 procstat_freeptlwpinfo(struct procstat *procstat __unused,
2544 struct ptrace_lwpinfo *pl)
2549 static struct kinfo_kstack *
2550 procstat_getkstack_sysctl(pid_t pid, int *cntp)
2552 struct kinfo_kstack *kkstp;
2557 name[1] = KERN_PROC;
2558 name[2] = KERN_PROC_KSTACK;
2562 error = sysctl(name, nitems(name), NULL, &len, NULL, 0);
2563 if (error < 0 && errno != ESRCH && errno != EPERM && errno != ENOENT) {
2564 warn("sysctl: kern.proc.kstack: %d", pid);
2567 if (error == -1 && errno == ENOENT) {
2568 warnx("sysctl: kern.proc.kstack unavailable"
2569 " (options DDB or options STACK required in kernel)");
2574 kkstp = malloc(len);
2575 if (kkstp == NULL) {
2576 warn("malloc(%zu)", len);
2579 if (sysctl(name, nitems(name), kkstp, &len, NULL, 0) == -1) {
2580 warn("sysctl: kern.proc.pid: %d", pid);
2584 *cntp = len / sizeof(*kkstp);
2589 struct kinfo_kstack *
2590 procstat_getkstack(struct procstat *procstat, struct kinfo_proc *kp,
2593 switch(procstat->type) {
2595 warnx("kvm method is not supported");
2597 case PROCSTAT_SYSCTL:
2598 return (procstat_getkstack_sysctl(kp->ki_pid, cntp));
2600 warnx("core method is not supported");
2603 warnx("unknown access method: %d", procstat->type);
2609 procstat_freekstack(struct procstat *procstat __unused,
2610 struct kinfo_kstack *kkstp)