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;
594 /* XXXRW: No capability rights support for kvm yet. */
595 entry = filestat_new_entry(data, type, i,
596 to_filestat_flags(file.f_flag), 0, 0, 0, NULL, NULL);
598 STAILQ_INSERT_TAIL(head, entry, next);
605 * Process mmapped files if requested.
608 if (!kvm_read_all(kd, (unsigned long)kp->ki_vmspace, &vmspace,
610 warnx("can't read vmspace at %p",
611 (void *)kp->ki_vmspace);
614 map = &vmspace.vm_map;
616 for (entryp = map->header.next;
617 entryp != &kp->ki_vmspace->vm_map.header;
618 entryp = vmentry.next) {
619 if (!kvm_read_all(kd, (unsigned long)entryp, &vmentry,
621 warnx("can't read vm_map_entry at %p",
625 if (vmentry.eflags & MAP_ENTRY_IS_SUB_MAP)
627 if ((objp = vmentry.object.vm_object) == NULL)
629 for (; objp; objp = object.backing_object) {
630 if (!kvm_read_all(kd, (unsigned long)objp,
631 &object, sizeof(object))) {
632 warnx("can't read vm_object at %p",
638 /* We want only vnode objects. */
639 if (object.type != OBJT_VNODE)
642 prot = vmentry.protection;
644 if (prot & VM_PROT_READ)
645 fflags = PS_FST_FFLAG_READ;
646 if ((vmentry.eflags & MAP_ENTRY_COW) == 0 &&
647 prot & VM_PROT_WRITE)
648 fflags |= PS_FST_FFLAG_WRITE;
651 * Create filestat entry.
653 entry = filestat_new_entry(object.handle,
654 PS_FST_TYPE_VNODE, -1, fflags,
655 PS_FST_UFLAG_MMAP, 0, 0, NULL, NULL);
657 STAILQ_INSERT_TAIL(head, entry, next);
665 * kinfo types to filestat translation.
668 kinfo_type2fst(int kftype)
674 { KF_TYPE_PROCDESC, PS_FST_TYPE_PROCDESC },
675 { KF_TYPE_CRYPTO, PS_FST_TYPE_CRYPTO },
676 { KF_TYPE_FIFO, PS_FST_TYPE_FIFO },
677 { KF_TYPE_KQUEUE, PS_FST_TYPE_KQUEUE },
678 { KF_TYPE_MQUEUE, PS_FST_TYPE_MQUEUE },
679 { KF_TYPE_NONE, PS_FST_TYPE_NONE },
680 { KF_TYPE_PIPE, PS_FST_TYPE_PIPE },
681 { KF_TYPE_PTS, PS_FST_TYPE_PTS },
682 { KF_TYPE_SEM, PS_FST_TYPE_SEM },
683 { KF_TYPE_SHM, PS_FST_TYPE_SHM },
684 { KF_TYPE_SOCKET, PS_FST_TYPE_SOCKET },
685 { KF_TYPE_VNODE, PS_FST_TYPE_VNODE },
686 { KF_TYPE_UNKNOWN, PS_FST_TYPE_UNKNOWN }
688 #define NKFTYPES (sizeof(kftypes2fst) / sizeof(*kftypes2fst))
691 for (i = 0; i < NKFTYPES; i++)
692 if (kftypes2fst[i].kf_type == kftype)
695 return (PS_FST_TYPE_UNKNOWN);
696 return (kftypes2fst[i].fst_type);
700 * kinfo flags to filestat translation.
703 kinfo_fflags2fst(int kfflags)
709 { KF_FLAG_APPEND, PS_FST_FFLAG_APPEND },
710 { KF_FLAG_ASYNC, PS_FST_FFLAG_ASYNC },
711 { KF_FLAG_CREAT, PS_FST_FFLAG_CREAT },
712 { KF_FLAG_DIRECT, PS_FST_FFLAG_DIRECT },
713 { KF_FLAG_EXCL, PS_FST_FFLAG_EXCL },
714 { KF_FLAG_EXEC, PS_FST_FFLAG_EXEC },
715 { KF_FLAG_EXLOCK, PS_FST_FFLAG_EXLOCK },
716 { KF_FLAG_FSYNC, PS_FST_FFLAG_SYNC },
717 { KF_FLAG_HASLOCK, PS_FST_FFLAG_HASLOCK },
718 { KF_FLAG_NOFOLLOW, PS_FST_FFLAG_NOFOLLOW },
719 { KF_FLAG_NONBLOCK, PS_FST_FFLAG_NONBLOCK },
720 { KF_FLAG_READ, PS_FST_FFLAG_READ },
721 { KF_FLAG_SHLOCK, PS_FST_FFLAG_SHLOCK },
722 { KF_FLAG_TRUNC, PS_FST_FFLAG_TRUNC },
723 { KF_FLAG_WRITE, PS_FST_FFLAG_WRITE }
725 #define NKFFLAGS (sizeof(kfflags2fst) / sizeof(*kfflags2fst))
730 for (i = 0; i < NKFFLAGS; i++)
731 if ((kfflags & kfflags2fst[i].kf_flag) != 0)
732 flags |= kfflags2fst[i].fst_flag;
737 kinfo_uflags2fst(int fd)
741 case KF_FD_TYPE_CTTY:
742 return (PS_FST_UFLAG_CTTY);
744 return (PS_FST_UFLAG_CDIR);
745 case KF_FD_TYPE_JAIL:
746 return (PS_FST_UFLAG_JAIL);
747 case KF_FD_TYPE_TEXT:
748 return (PS_FST_UFLAG_TEXT);
749 case KF_FD_TYPE_TRACE:
750 return (PS_FST_UFLAG_TRACE);
751 case KF_FD_TYPE_ROOT:
752 return (PS_FST_UFLAG_RDIR);
757 static struct kinfo_file *
758 kinfo_getfile_core(struct procstat_core *core, int *cntp)
763 struct kinfo_file *kif, *kp, *kf;
765 buf = procstat_core_get(core, PSC_TYPE_FILES, NULL, &len);
769 * XXXMG: The code below is just copy&past from libutil.
770 * The code duplication can be avoided if libutil
771 * is extended to provide something like:
772 * struct kinfo_file *kinfo_getfile_from_buf(const char *buf,
773 * size_t len, int *cntp);
776 /* Pass 1: count items */
781 kf = (struct kinfo_file *)(uintptr_t)bp;
782 if (kf->kf_structsize == 0)
784 bp += kf->kf_structsize;
788 kif = calloc(cnt, sizeof(*kif));
798 kf = (struct kinfo_file *)(uintptr_t)bp;
799 if (kf->kf_structsize == 0)
801 /* Copy/expand into pre-zeroed buffer */
802 memcpy(kp, kf, kf->kf_structsize);
803 /* Advance to next packed record */
804 bp += kf->kf_structsize;
805 /* Set field size to fixed length, advance */
806 kp->kf_structsize = sizeof(*kp);
811 return (kif); /* Caller must free() return value */
814 static struct filestat_list *
815 procstat_getfiles_sysctl(struct procstat *procstat, struct kinfo_proc *kp,
818 struct kinfo_file *kif, *files;
819 struct kinfo_vmentry *kve, *vmentries;
820 struct filestat_list *head;
821 struct filestat *entry;
827 cap_rights_t cap_rights;
830 if (kp->ki_fd == NULL)
832 switch(procstat->type) {
833 case PROCSTAT_SYSCTL:
834 files = kinfo_getfile(kp->ki_pid, &cnt);
837 files = kinfo_getfile_core(procstat->core, &cnt);
840 assert(!"invalid type");
842 if (files == NULL && errno != EPERM) {
843 warn("kinfo_getfile()");
846 procstat->files = files;
849 * Allocate list head.
851 head = malloc(sizeof(*head));
855 for (i = 0; i < cnt; i++) {
858 type = kinfo_type2fst(kif->kf_type);
859 fd = kif->kf_fd >= 0 ? kif->kf_fd : -1;
860 fflags = kinfo_fflags2fst(kif->kf_flags);
861 uflags = kinfo_uflags2fst(kif->kf_fd);
862 refcount = kif->kf_ref_count;
863 offset = kif->kf_offset;
864 if (*kif->kf_path != '\0')
865 path = strdup(kif->kf_path);
868 cap_rights = kif->kf_cap_rights;
871 * Create filestat entry.
873 entry = filestat_new_entry(kif, type, fd, fflags, uflags,
874 refcount, offset, path, &cap_rights);
876 STAILQ_INSERT_TAIL(head, entry, next);
879 vmentries = procstat_getvmmap(procstat, kp, &cnt);
880 procstat->vmentries = vmentries;
881 if (vmentries == NULL || cnt == 0)
883 for (i = 0; i < cnt; i++) {
885 if (kve->kve_type != KVME_TYPE_VNODE)
888 if (kve->kve_protection & KVME_PROT_READ)
889 fflags = PS_FST_FFLAG_READ;
890 if ((kve->kve_flags & KVME_FLAG_COW) == 0 &&
891 kve->kve_protection & KVME_PROT_WRITE)
892 fflags |= PS_FST_FFLAG_WRITE;
893 offset = kve->kve_offset;
894 refcount = kve->kve_ref_count;
895 if (*kve->kve_path != '\0')
896 path = strdup(kve->kve_path);
899 entry = filestat_new_entry(kve, PS_FST_TYPE_VNODE, -1,
900 fflags, PS_FST_UFLAG_MMAP, refcount, offset, path,
903 STAILQ_INSERT_TAIL(head, entry, next);
911 procstat_get_pipe_info(struct procstat *procstat, struct filestat *fst,
912 struct pipestat *ps, char *errbuf)
916 if (procstat->type == PROCSTAT_KVM) {
917 return (procstat_get_pipe_info_kvm(procstat->kd, fst, ps,
919 } else if (procstat->type == PROCSTAT_SYSCTL ||
920 procstat->type == PROCSTAT_CORE) {
921 return (procstat_get_pipe_info_sysctl(fst, ps, errbuf));
923 warnx("unknown access method: %d", procstat->type);
925 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
931 procstat_get_pipe_info_kvm(kvm_t *kd, struct filestat *fst,
932 struct pipestat *ps, char *errbuf)
940 bzero(ps, sizeof(*ps));
941 pipep = fst->fs_typedep;
944 if (!kvm_read_all(kd, (unsigned long)pipep, &pi, sizeof(struct pipe))) {
945 warnx("can't read pipe at %p", (void *)pipep);
948 ps->addr = (uintptr_t)pipep;
949 ps->peer = (uintptr_t)pi.pipe_peer;
950 ps->buffer_cnt = pi.pipe_buffer.cnt;
955 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
960 procstat_get_pipe_info_sysctl(struct filestat *fst, struct pipestat *ps,
961 char *errbuf __unused)
963 struct kinfo_file *kif;
967 bzero(ps, sizeof(*ps));
968 kif = fst->fs_typedep;
971 ps->addr = kif->kf_un.kf_pipe.kf_pipe_addr;
972 ps->peer = kif->kf_un.kf_pipe.kf_pipe_peer;
973 ps->buffer_cnt = kif->kf_un.kf_pipe.kf_pipe_buffer_cnt;
978 procstat_get_pts_info(struct procstat *procstat, struct filestat *fst,
979 struct ptsstat *pts, char *errbuf)
983 if (procstat->type == PROCSTAT_KVM) {
984 return (procstat_get_pts_info_kvm(procstat->kd, fst, pts,
986 } else if (procstat->type == PROCSTAT_SYSCTL ||
987 procstat->type == PROCSTAT_CORE) {
988 return (procstat_get_pts_info_sysctl(fst, pts, errbuf));
990 warnx("unknown access method: %d", procstat->type);
992 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
998 procstat_get_pts_info_kvm(kvm_t *kd, struct filestat *fst,
999 struct ptsstat *pts, char *errbuf)
1007 bzero(pts, sizeof(*pts));
1008 ttyp = fst->fs_typedep;
1011 if (!kvm_read_all(kd, (unsigned long)ttyp, &tty, sizeof(struct tty))) {
1012 warnx("can't read tty at %p", (void *)ttyp);
1015 pts->dev = dev2udev(kd, tty.t_dev);
1016 (void)kdevtoname(kd, tty.t_dev, pts->devname);
1021 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1026 procstat_get_pts_info_sysctl(struct filestat *fst, struct ptsstat *pts,
1027 char *errbuf __unused)
1029 struct kinfo_file *kif;
1033 bzero(pts, sizeof(*pts));
1034 kif = fst->fs_typedep;
1037 pts->dev = kif->kf_un.kf_pts.kf_pts_dev;
1038 strlcpy(pts->devname, kif->kf_path, sizeof(pts->devname));
1043 procstat_get_sem_info(struct procstat *procstat, struct filestat *fst,
1044 struct semstat *sem, char *errbuf)
1048 if (procstat->type == PROCSTAT_KVM) {
1049 return (procstat_get_sem_info_kvm(procstat->kd, fst, sem,
1051 } else if (procstat->type == PROCSTAT_SYSCTL ||
1052 procstat->type == PROCSTAT_CORE) {
1053 return (procstat_get_sem_info_sysctl(fst, sem, errbuf));
1055 warnx("unknown access method: %d", procstat->type);
1057 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1063 procstat_get_sem_info_kvm(kvm_t *kd, struct filestat *fst,
1064 struct semstat *sem, char *errbuf)
1074 bzero(sem, sizeof(*sem));
1075 ksemp = fst->fs_typedep;
1078 if (!kvm_read_all(kd, (unsigned long)ksemp, &ksem,
1079 sizeof(struct ksem))) {
1080 warnx("can't read ksem at %p", (void *)ksemp);
1083 sem->mode = S_IFREG | ksem.ks_mode;
1084 sem->value = ksem.ks_value;
1085 if (fst->fs_path == NULL && ksem.ks_path != NULL) {
1086 path = malloc(MAXPATHLEN);
1087 for (i = 0; i < MAXPATHLEN - 1; i++) {
1088 if (!kvm_read_all(kd, (unsigned long)ksem.ks_path + i,
1091 if (path[i] == '\0')
1098 fst->fs_path = path;
1104 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1109 procstat_get_sem_info_sysctl(struct filestat *fst, struct semstat *sem,
1110 char *errbuf __unused)
1112 struct kinfo_file *kif;
1116 bzero(sem, sizeof(*sem));
1117 kif = fst->fs_typedep;
1120 sem->value = kif->kf_un.kf_sem.kf_sem_value;
1121 sem->mode = kif->kf_un.kf_sem.kf_sem_mode;
1126 procstat_get_shm_info(struct procstat *procstat, struct filestat *fst,
1127 struct shmstat *shm, char *errbuf)
1131 if (procstat->type == PROCSTAT_KVM) {
1132 return (procstat_get_shm_info_kvm(procstat->kd, fst, shm,
1134 } else if (procstat->type == PROCSTAT_SYSCTL ||
1135 procstat->type == PROCSTAT_CORE) {
1136 return (procstat_get_shm_info_sysctl(fst, shm, errbuf));
1138 warnx("unknown access method: %d", procstat->type);
1140 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1146 procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst,
1147 struct shmstat *shm, char *errbuf)
1157 bzero(shm, sizeof(*shm));
1158 shmfdp = fst->fs_typedep;
1161 if (!kvm_read_all(kd, (unsigned long)shmfdp, &shmfd,
1162 sizeof(struct shmfd))) {
1163 warnx("can't read shmfd at %p", (void *)shmfdp);
1166 shm->mode = S_IFREG | shmfd.shm_mode;
1167 shm->size = shmfd.shm_size;
1168 if (fst->fs_path == NULL && shmfd.shm_path != NULL) {
1169 path = malloc(MAXPATHLEN);
1170 for (i = 0; i < MAXPATHLEN - 1; i++) {
1171 if (!kvm_read_all(kd, (unsigned long)shmfd.shm_path + i,
1174 if (path[i] == '\0')
1181 fst->fs_path = path;
1187 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1192 procstat_get_shm_info_sysctl(struct filestat *fst, struct shmstat *shm,
1193 char *errbuf __unused)
1195 struct kinfo_file *kif;
1199 bzero(shm, sizeof(*shm));
1200 kif = fst->fs_typedep;
1203 shm->size = kif->kf_un.kf_file.kf_file_size;
1204 shm->mode = kif->kf_un.kf_file.kf_file_mode;
1209 procstat_get_vnode_info(struct procstat *procstat, struct filestat *fst,
1210 struct vnstat *vn, char *errbuf)
1214 if (procstat->type == PROCSTAT_KVM) {
1215 return (procstat_get_vnode_info_kvm(procstat->kd, fst, vn,
1217 } else if (procstat->type == PROCSTAT_SYSCTL ||
1218 procstat->type == PROCSTAT_CORE) {
1219 return (procstat_get_vnode_info_sysctl(fst, vn, errbuf));
1221 warnx("unknown access method: %d", procstat->type);
1223 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1229 procstat_get_vnode_info_kvm(kvm_t *kd, struct filestat *fst,
1230 struct vnstat *vn, char *errbuf)
1232 /* Filesystem specific handlers. */
1233 #define FSTYPE(fst) {#fst, fst##_filestat}
1236 int (*handler)(kvm_t *kd, struct vnode *vp,
1246 #ifdef LIBPROCSTAT_ZFS
1250 #define NTYPES (sizeof(fstypes) / sizeof(*fstypes))
1260 vp = fst->fs_typedep;
1263 error = kvm_read_all(kd, (unsigned long)vp, &vnode, sizeof(vnode));
1265 warnx("can't read vnode at %p", (void *)vp);
1268 bzero(vn, sizeof(*vn));
1269 vn->vn_type = vntype2psfsttype(vnode.v_type);
1270 if (vnode.v_type == VNON || vnode.v_type == VBAD)
1272 error = kvm_read_all(kd, (unsigned long)vnode.v_tag, tagstr,
1275 warnx("can't read v_tag at %p", (void *)vp);
1278 tagstr[sizeof(tagstr) - 1] = '\0';
1281 * Find appropriate handler.
1283 for (i = 0; i < NTYPES; i++)
1284 if (!strcmp(fstypes[i].tag, tagstr)) {
1285 if (fstypes[i].handler(kd, &vnode, vn) != 0) {
1292 snprintf(errbuf, _POSIX2_LINE_MAX, "?(%s)", tagstr);
1295 vn->vn_mntdir = getmnton(kd, vnode.v_mount);
1296 if ((vnode.v_type == VBLK || vnode.v_type == VCHR) &&
1297 vnode.v_rdev != NULL){
1298 vn->vn_dev = dev2udev(kd, vnode.v_rdev);
1299 (void)kdevtoname(kd, vnode.v_rdev, vn->vn_devname);
1307 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1312 * kinfo vnode type to filestat translation.
1315 kinfo_vtype2fst(int kfvtype)
1320 } kfvtypes2fst[] = {
1321 { KF_VTYPE_VBAD, PS_FST_VTYPE_VBAD },
1322 { KF_VTYPE_VBLK, PS_FST_VTYPE_VBLK },
1323 { KF_VTYPE_VCHR, PS_FST_VTYPE_VCHR },
1324 { KF_VTYPE_VDIR, PS_FST_VTYPE_VDIR },
1325 { KF_VTYPE_VFIFO, PS_FST_VTYPE_VFIFO },
1326 { KF_VTYPE_VLNK, PS_FST_VTYPE_VLNK },
1327 { KF_VTYPE_VNON, PS_FST_VTYPE_VNON },
1328 { KF_VTYPE_VREG, PS_FST_VTYPE_VREG },
1329 { KF_VTYPE_VSOCK, PS_FST_VTYPE_VSOCK }
1331 #define NKFVTYPES (sizeof(kfvtypes2fst) / sizeof(*kfvtypes2fst))
1334 for (i = 0; i < NKFVTYPES; i++)
1335 if (kfvtypes2fst[i].kf_vtype == kfvtype)
1338 return (PS_FST_VTYPE_UNKNOWN);
1339 return (kfvtypes2fst[i].fst_vtype);
1343 procstat_get_vnode_info_sysctl(struct filestat *fst, struct vnstat *vn,
1346 struct statfs stbuf;
1347 struct kinfo_file *kif;
1348 struct kinfo_vmentry *kve;
1360 bzero(vn, sizeof(*vn));
1361 if (fst->fs_typedep == NULL)
1363 if (fst->fs_uflags & PS_FST_UFLAG_MMAP) {
1364 kve = fst->fs_typedep;
1365 fileid = kve->kve_vn_fileid;
1366 fsid = kve->kve_vn_fsid;
1367 mode = kve->kve_vn_mode;
1368 path = kve->kve_path;
1369 rdev = kve->kve_vn_rdev;
1370 size = kve->kve_vn_size;
1371 vntype = kinfo_vtype2fst(kve->kve_vn_type);
1372 status = kve->kve_status;
1374 kif = fst->fs_typedep;
1375 fileid = kif->kf_un.kf_file.kf_file_fileid;
1376 fsid = kif->kf_un.kf_file.kf_file_fsid;
1377 mode = kif->kf_un.kf_file.kf_file_mode;
1378 path = kif->kf_path;
1379 rdev = kif->kf_un.kf_file.kf_file_rdev;
1380 size = kif->kf_un.kf_file.kf_file_size;
1381 vntype = kinfo_vtype2fst(kif->kf_vnode_type);
1382 status = kif->kf_status;
1384 vn->vn_type = vntype;
1385 if (vntype == PS_FST_VTYPE_VNON || vntype == PS_FST_VTYPE_VBAD)
1387 if ((status & KF_ATTR_VALID) == 0) {
1388 if (errbuf != NULL) {
1389 snprintf(errbuf, _POSIX2_LINE_MAX,
1390 "? (no info available)");
1394 if (path && *path) {
1395 statfs(path, &stbuf);
1396 vn->vn_mntdir = strdup(stbuf.f_mntonname);
1398 vn->vn_mntdir = strdup("-");
1400 if (vntype == PS_FST_VTYPE_VBLK) {
1401 name = devname(rdev, S_IFBLK);
1403 strlcpy(vn->vn_devname, name,
1404 sizeof(vn->vn_devname));
1405 } else if (vntype == PS_FST_VTYPE_VCHR) {
1406 name = devname(vn->vn_dev, S_IFCHR);
1408 strlcpy(vn->vn_devname, name,
1409 sizeof(vn->vn_devname));
1412 vn->vn_fileid = fileid;
1419 procstat_get_socket_info(struct procstat *procstat, struct filestat *fst,
1420 struct sockstat *sock, char *errbuf)
1424 if (procstat->type == PROCSTAT_KVM) {
1425 return (procstat_get_socket_info_kvm(procstat->kd, fst, sock,
1427 } else if (procstat->type == PROCSTAT_SYSCTL ||
1428 procstat->type == PROCSTAT_CORE) {
1429 return (procstat_get_socket_info_sysctl(fst, sock, errbuf));
1431 warnx("unknown access method: %d", procstat->type);
1433 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1439 procstat_get_socket_info_kvm(kvm_t *kd, struct filestat *fst,
1440 struct sockstat *sock, char *errbuf)
1444 struct protosw proto;
1453 bzero(sock, sizeof(*sock));
1454 so = fst->fs_typedep;
1457 sock->so_addr = (uintptr_t)so;
1458 /* fill in socket */
1459 if (!kvm_read_all(kd, (unsigned long)so, &s,
1460 sizeof(struct socket))) {
1461 warnx("can't read sock at %p", (void *)so);
1464 /* fill in protosw entry */
1465 if (!kvm_read_all(kd, (unsigned long)s.so_proto, &proto,
1466 sizeof(struct protosw))) {
1467 warnx("can't read protosw at %p", (void *)s.so_proto);
1470 /* fill in domain */
1471 if (!kvm_read_all(kd, (unsigned long)proto.pr_domain, &dom,
1472 sizeof(struct domain))) {
1473 warnx("can't read domain at %p",
1474 (void *)proto.pr_domain);
1477 if ((len = kvm_read(kd, (unsigned long)dom.dom_name, sock->dname,
1478 sizeof(sock->dname) - 1)) < 0) {
1479 warnx("can't read domain name at %p", (void *)dom.dom_name);
1480 sock->dname[0] = '\0';
1483 sock->dname[len] = '\0';
1486 * Fill in known data.
1488 sock->type = s.so_type;
1489 sock->proto = proto.pr_protocol;
1490 sock->dom_family = dom.dom_family;
1491 sock->so_pcb = (uintptr_t)s.so_pcb;
1494 * Protocol specific data.
1496 switch(dom.dom_family) {
1499 if (proto.pr_protocol == IPPROTO_TCP) {
1501 if (kvm_read(kd, (u_long)s.so_pcb,
1502 (char *)&inpcb, sizeof(struct inpcb))
1503 != sizeof(struct inpcb)) {
1504 warnx("can't read inpcb at %p",
1508 (uintptr_t)inpcb.inp_ppcb;
1509 sock->sendq = s.so_snd.sb_ccc;
1510 sock->recvq = s.so_rcv.sb_ccc;
1516 if (kvm_read(kd, (u_long)s.so_pcb, (char *)&unpcb,
1517 sizeof(struct unpcb)) != sizeof(struct unpcb)){
1518 warnx("can't read unpcb at %p",
1520 } else if (unpcb.unp_conn) {
1521 sock->so_rcv_sb_state = s.so_rcv.sb_state;
1522 sock->so_snd_sb_state = s.so_snd.sb_state;
1523 sock->unp_conn = (uintptr_t)unpcb.unp_conn;
1524 sock->sendq = s.so_snd.sb_ccc;
1525 sock->recvq = s.so_rcv.sb_ccc;
1536 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1541 procstat_get_socket_info_sysctl(struct filestat *fst, struct sockstat *sock,
1542 char *errbuf __unused)
1544 struct kinfo_file *kif;
1548 bzero(sock, sizeof(*sock));
1549 kif = fst->fs_typedep;
1554 * Fill in known data.
1556 sock->type = kif->kf_sock_type;
1557 sock->proto = kif->kf_sock_protocol;
1558 sock->dom_family = kif->kf_sock_domain;
1559 sock->so_pcb = kif->kf_un.kf_sock.kf_sock_pcb;
1560 strlcpy(sock->dname, kif->kf_path, sizeof(sock->dname));
1561 bcopy(&kif->kf_un.kf_sock.kf_sa_local, &sock->sa_local,
1562 kif->kf_un.kf_sock.kf_sa_local.ss_len);
1563 bcopy(&kif->kf_un.kf_sock.kf_sa_peer, &sock->sa_peer,
1564 kif->kf_un.kf_sock.kf_sa_peer.ss_len);
1567 * Protocol specific data.
1569 switch(sock->dom_family) {
1572 if (sock->proto == IPPROTO_TCP) {
1573 sock->inp_ppcb = kif->kf_un.kf_sock.kf_sock_inpcb;
1574 sock->sendq = kif->kf_un.kf_sock.kf_sock_sendq;
1575 sock->recvq = kif->kf_un.kf_sock.kf_sock_recvq;
1579 if (kif->kf_un.kf_sock.kf_sock_unpconn != 0) {
1580 sock->so_rcv_sb_state =
1581 kif->kf_un.kf_sock.kf_sock_rcv_sb_state;
1582 sock->so_snd_sb_state =
1583 kif->kf_un.kf_sock.kf_sock_snd_sb_state;
1585 kif->kf_un.kf_sock.kf_sock_unpconn;
1586 sock->sendq = kif->kf_un.kf_sock.kf_sock_sendq;
1587 sock->recvq = kif->kf_un.kf_sock.kf_sock_recvq;
1597 * Descriptor flags to filestat translation.
1600 to_filestat_flags(int flags)
1606 { FREAD, PS_FST_FFLAG_READ },
1607 { FWRITE, PS_FST_FFLAG_WRITE },
1608 { O_APPEND, PS_FST_FFLAG_APPEND },
1609 { O_ASYNC, PS_FST_FFLAG_ASYNC },
1610 { O_CREAT, PS_FST_FFLAG_CREAT },
1611 { O_DIRECT, PS_FST_FFLAG_DIRECT },
1612 { O_EXCL, PS_FST_FFLAG_EXCL },
1613 { O_EXEC, PS_FST_FFLAG_EXEC },
1614 { O_EXLOCK, PS_FST_FFLAG_EXLOCK },
1615 { O_NOFOLLOW, PS_FST_FFLAG_NOFOLLOW },
1616 { O_NONBLOCK, PS_FST_FFLAG_NONBLOCK },
1617 { O_SHLOCK, PS_FST_FFLAG_SHLOCK },
1618 { O_SYNC, PS_FST_FFLAG_SYNC },
1619 { O_TRUNC, PS_FST_FFLAG_TRUNC }
1621 #define NFSTFLAGS (sizeof(fstflags) / sizeof(*fstflags))
1626 for (i = 0; i < NFSTFLAGS; i++)
1627 if (flags & fstflags[i].flag)
1628 fst_flags |= fstflags[i].fst_flag;
1633 * Vnode type to filestate translation.
1636 vntype2psfsttype(int type)
1642 { VBAD, PS_FST_VTYPE_VBAD },
1643 { VBLK, PS_FST_VTYPE_VBLK },
1644 { VCHR, PS_FST_VTYPE_VCHR },
1645 { VDIR, PS_FST_VTYPE_VDIR },
1646 { VFIFO, PS_FST_VTYPE_VFIFO },
1647 { VLNK, PS_FST_VTYPE_VLNK },
1648 { VNON, PS_FST_VTYPE_VNON },
1649 { VREG, PS_FST_VTYPE_VREG },
1650 { VSOCK, PS_FST_VTYPE_VSOCK }
1652 #define NVFTYPES (sizeof(vt2fst) / sizeof(*vt2fst))
1653 unsigned int i, fst_type;
1655 fst_type = PS_FST_VTYPE_UNKNOWN;
1656 for (i = 0; i < NVFTYPES; i++) {
1657 if (type == vt2fst[i].vtype) {
1658 fst_type = vt2fst[i].fst_vtype;
1666 getmnton(kvm_t *kd, struct mount *m)
1669 static struct mtab {
1672 char mntonname[MNAMELEN + 1];
1676 for (mt = mhead; mt != NULL; mt = mt->next)
1678 return (mt->mntonname);
1679 if (!kvm_read_all(kd, (unsigned long)m, &mnt, sizeof(struct mount))) {
1680 warnx("can't read mount table at %p", (void *)m);
1683 if ((mt = malloc(sizeof (struct mtab))) == NULL)
1686 bcopy(&mnt.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN);
1687 mt->mntonname[MNAMELEN] = '\0';
1690 return (mt->mntonname);
1694 * Auxiliary structures and functions to get process environment or
1695 * command line arguments.
1704 static struct argvec *
1705 argvec_alloc(size_t bufsize)
1709 av = malloc(sizeof(*av));
1712 av->bufsize = bufsize;
1713 av->buf = malloc(av->bufsize);
1714 if (av->buf == NULL) {
1719 av->argv = malloc(sizeof(char *) * av->argc);
1720 if (av->argv == NULL) {
1729 argvec_free(struct argvec * av)
1738 getargv(struct procstat *procstat, struct kinfo_proc *kp, size_t nchr, int env)
1740 int error, name[4], argc, i;
1741 struct argvec *av, **avp;
1748 if (procstat->type == PROCSTAT_KVM) {
1749 warnx("can't use kvm access method");
1752 if (procstat->type != PROCSTAT_SYSCTL &&
1753 procstat->type != PROCSTAT_CORE) {
1754 warnx("unknown access method: %d", procstat->type);
1758 if (nchr == 0 || nchr > ARG_MAX)
1761 avp = (struct argvec **)(env ? &procstat->argv : &procstat->envv);
1766 av = argvec_alloc(nchr);
1769 warn("malloc(%zu)", nchr);
1773 } else if (av->bufsize < nchr) {
1774 av->buf = reallocf(av->buf, nchr);
1775 if (av->buf == NULL) {
1776 warn("malloc(%zu)", nchr);
1780 if (procstat->type == PROCSTAT_SYSCTL) {
1782 name[1] = KERN_PROC;
1783 name[2] = env ? KERN_PROC_ENV : KERN_PROC_ARGS;
1784 name[3] = kp->ki_pid;
1786 error = sysctl(name, nitems(name), av->buf, &len, NULL, 0);
1787 if (error != 0 && errno != ESRCH && errno != EPERM)
1788 warn("sysctl(kern.proc.%s)", env ? "env" : "args");
1789 if (error != 0 || len == 0)
1791 } else /* procstat->type == PROCSTAT_CORE */ {
1792 type = env ? PSC_TYPE_ENVV : PSC_TYPE_ARGV;
1794 if (procstat_core_get(procstat->core, type, av->buf, &len)
1803 for (p = av->buf; p < av->buf + len; p += strlen(p) + 1) {
1809 argv = realloc(argv, sizeof(char *) * argc);
1811 warn("malloc(%zu)", sizeof(char *) * argc);
1823 * Return process command line arguments.
1826 procstat_getargv(struct procstat *procstat, struct kinfo_proc *p, size_t nchr)
1829 return (getargv(procstat, p, nchr, 0));
1833 * Free the buffer allocated by procstat_getargv().
1836 procstat_freeargv(struct procstat *procstat)
1839 if (procstat->argv != NULL) {
1840 argvec_free(procstat->argv);
1841 procstat->argv = NULL;
1846 * Return process environment.
1849 procstat_getenvv(struct procstat *procstat, struct kinfo_proc *p, size_t nchr)
1852 return (getargv(procstat, p, nchr, 1));
1856 * Free the buffer allocated by procstat_getenvv().
1859 procstat_freeenvv(struct procstat *procstat)
1861 if (procstat->envv != NULL) {
1862 argvec_free(procstat->envv);
1863 procstat->envv = NULL;
1867 static struct kinfo_vmentry *
1868 kinfo_getvmmap_core(struct procstat_core *core, int *cntp)
1872 char *buf, *bp, *eb;
1873 struct kinfo_vmentry *kiv, *kp, *kv;
1875 buf = procstat_core_get(core, PSC_TYPE_VMMAP, NULL, &len);
1880 * XXXMG: The code below is just copy&past from libutil.
1881 * The code duplication can be avoided if libutil
1882 * is extended to provide something like:
1883 * struct kinfo_vmentry *kinfo_getvmmap_from_buf(const char *buf,
1884 * size_t len, int *cntp);
1887 /* Pass 1: count items */
1892 kv = (struct kinfo_vmentry *)(uintptr_t)bp;
1893 if (kv->kve_structsize == 0)
1895 bp += kv->kve_structsize;
1899 kiv = calloc(cnt, sizeof(*kiv));
1907 /* Pass 2: unpack */
1909 kv = (struct kinfo_vmentry *)(uintptr_t)bp;
1910 if (kv->kve_structsize == 0)
1912 /* Copy/expand into pre-zeroed buffer */
1913 memcpy(kp, kv, kv->kve_structsize);
1914 /* Advance to next packed record */
1915 bp += kv->kve_structsize;
1916 /* Set field size to fixed length, advance */
1917 kp->kve_structsize = sizeof(*kp);
1922 return (kiv); /* Caller must free() return value */
1925 struct kinfo_vmentry *
1926 procstat_getvmmap(struct procstat *procstat, struct kinfo_proc *kp,
1930 switch(procstat->type) {
1932 warnx("kvm method is not supported");
1934 case PROCSTAT_SYSCTL:
1935 return (kinfo_getvmmap(kp->ki_pid, cntp));
1937 return (kinfo_getvmmap_core(procstat->core, cntp));
1939 warnx("unknown access method: %d", procstat->type);
1945 procstat_freevmmap(struct procstat *procstat __unused,
1946 struct kinfo_vmentry *vmmap)
1953 procstat_getgroups_kvm(kvm_t *kd, struct kinfo_proc *kp, unsigned int *cntp)
1962 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
1964 warnx("can't read proc struct at %p for pid %d",
1965 kp->ki_paddr, kp->ki_pid);
1968 if (proc.p_ucred == NOCRED)
1970 if (!kvm_read_all(kd, (unsigned long)proc.p_ucred, &ucred,
1972 warnx("can't read ucred struct at %p for pid %d",
1973 proc.p_ucred, kp->ki_pid);
1976 len = ucred.cr_ngroups * sizeof(gid_t);
1977 groups = malloc(len);
1978 if (groups == NULL) {
1979 warn("malloc(%zu)", len);
1982 if (!kvm_read_all(kd, (unsigned long)ucred.cr_groups, groups, len)) {
1983 warnx("can't read groups at %p for pid %d",
1984 ucred.cr_groups, kp->ki_pid);
1988 *cntp = ucred.cr_ngroups;
1993 procstat_getgroups_sysctl(pid_t pid, unsigned int *cntp)
2001 mib[2] = KERN_PROC_GROUPS;
2003 len = (sysconf(_SC_NGROUPS_MAX) + 1) * sizeof(gid_t);
2004 groups = malloc(len);
2005 if (groups == NULL) {
2006 warn("malloc(%zu)", len);
2009 if (sysctl(mib, nitems(mib), groups, &len, NULL, 0) == -1) {
2010 warn("sysctl: kern.proc.groups: %d", pid);
2014 *cntp = len / sizeof(gid_t);
2019 procstat_getgroups_core(struct procstat_core *core, unsigned int *cntp)
2024 groups = procstat_core_get(core, PSC_TYPE_GROUPS, NULL, &len);
2027 *cntp = len / sizeof(gid_t);
2032 procstat_getgroups(struct procstat *procstat, struct kinfo_proc *kp,
2035 switch(procstat->type) {
2037 return (procstat_getgroups_kvm(procstat->kd, kp, cntp));
2038 case PROCSTAT_SYSCTL:
2039 return (procstat_getgroups_sysctl(kp->ki_pid, cntp));
2041 return (procstat_getgroups_core(procstat->core, cntp));
2043 warnx("unknown access method: %d", procstat->type);
2049 procstat_freegroups(struct procstat *procstat __unused, gid_t *groups)
2056 procstat_getumask_kvm(kvm_t *kd, struct kinfo_proc *kp, unsigned short *maskp)
2062 if (kp->ki_fd == NULL)
2064 if (!kvm_read_all(kd, (unsigned long)kp->ki_fd, &fd, sizeof(fd))) {
2065 warnx("can't read filedesc at %p for pid %d", kp->ki_fd,
2069 *maskp = fd.fd_cmask;
2074 procstat_getumask_sysctl(pid_t pid, unsigned short *maskp)
2082 mib[2] = KERN_PROC_UMASK;
2084 len = sizeof(*maskp);
2085 error = sysctl(mib, nitems(mib), maskp, &len, NULL, 0);
2086 if (error != 0 && errno != ESRCH && errno != EPERM)
2087 warn("sysctl: kern.proc.umask: %d", pid);
2092 procstat_getumask_core(struct procstat_core *core, unsigned short *maskp)
2095 unsigned short *buf;
2097 buf = procstat_core_get(core, PSC_TYPE_UMASK, NULL, &len);
2100 if (len < sizeof(*maskp)) {
2110 procstat_getumask(struct procstat *procstat, struct kinfo_proc *kp,
2111 unsigned short *maskp)
2113 switch(procstat->type) {
2115 return (procstat_getumask_kvm(procstat->kd, kp, maskp));
2116 case PROCSTAT_SYSCTL:
2117 return (procstat_getumask_sysctl(kp->ki_pid, maskp));
2119 return (procstat_getumask_core(procstat->core, maskp));
2121 warnx("unknown access method: %d", procstat->type);
2127 procstat_getrlimit_kvm(kvm_t *kd, struct kinfo_proc *kp, int which,
2128 struct rlimit* rlimit)
2131 unsigned long offset;
2135 assert(which >= 0 && which < RLIM_NLIMITS);
2136 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
2138 warnx("can't read proc struct at %p for pid %d",
2139 kp->ki_paddr, kp->ki_pid);
2142 if (proc.p_limit == NULL)
2144 offset = (unsigned long)proc.p_limit + sizeof(struct rlimit) * which;
2145 if (!kvm_read_all(kd, offset, rlimit, sizeof(*rlimit))) {
2146 warnx("can't read rlimit struct at %p for pid %d",
2147 (void *)offset, kp->ki_pid);
2154 procstat_getrlimit_sysctl(pid_t pid, int which, struct rlimit* rlimit)
2160 name[1] = KERN_PROC;
2161 name[2] = KERN_PROC_RLIMIT;
2164 len = sizeof(struct rlimit);
2165 error = sysctl(name, nitems(name), rlimit, &len, NULL, 0);
2166 if (error < 0 && errno != ESRCH) {
2167 warn("sysctl: kern.proc.rlimit: %d", pid);
2170 if (error < 0 || len != sizeof(struct rlimit))
2176 procstat_getrlimit_core(struct procstat_core *core, int which,
2177 struct rlimit* rlimit)
2180 struct rlimit* rlimits;
2182 if (which < 0 || which >= RLIM_NLIMITS) {
2184 warn("getrlimit: which");
2187 rlimits = procstat_core_get(core, PSC_TYPE_RLIMIT, NULL, &len);
2188 if (rlimits == NULL)
2190 if (len < sizeof(struct rlimit) * RLIM_NLIMITS) {
2194 *rlimit = rlimits[which];
2199 procstat_getrlimit(struct procstat *procstat, struct kinfo_proc *kp, int which,
2200 struct rlimit* rlimit)
2202 switch(procstat->type) {
2204 return (procstat_getrlimit_kvm(procstat->kd, kp, which,
2206 case PROCSTAT_SYSCTL:
2207 return (procstat_getrlimit_sysctl(kp->ki_pid, which, rlimit));
2209 return (procstat_getrlimit_core(procstat->core, which, rlimit));
2211 warnx("unknown access method: %d", procstat->type);
2217 procstat_getpathname_sysctl(pid_t pid, char *pathname, size_t maxlen)
2223 name[1] = KERN_PROC;
2224 name[2] = KERN_PROC_PATHNAME;
2227 error = sysctl(name, nitems(name), pathname, &len, NULL, 0);
2228 if (error != 0 && errno != ESRCH)
2229 warn("sysctl: kern.proc.pathname: %d", pid);
2236 procstat_getpathname_core(struct procstat_core *core, char *pathname,
2239 struct kinfo_file *files;
2242 files = kinfo_getfile_core(core, &cnt);
2246 for (i = 0; i < cnt; i++) {
2247 if (files[i].kf_fd != KF_FD_TYPE_TEXT)
2249 strncpy(pathname, files[i].kf_path, maxlen);
2258 procstat_getpathname(struct procstat *procstat, struct kinfo_proc *kp,
2259 char *pathname, size_t maxlen)
2261 switch(procstat->type) {
2263 /* XXX: Return empty string. */
2267 case PROCSTAT_SYSCTL:
2268 return (procstat_getpathname_sysctl(kp->ki_pid, pathname,
2271 return (procstat_getpathname_core(procstat->core, pathname,
2274 warnx("unknown access method: %d", procstat->type);
2280 procstat_getosrel_kvm(kvm_t *kd, struct kinfo_proc *kp, int *osrelp)
2286 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
2288 warnx("can't read proc struct at %p for pid %d",
2289 kp->ki_paddr, kp->ki_pid);
2292 *osrelp = proc.p_osrel;
2297 procstat_getosrel_sysctl(pid_t pid, int *osrelp)
2303 name[1] = KERN_PROC;
2304 name[2] = KERN_PROC_OSREL;
2306 len = sizeof(*osrelp);
2307 error = sysctl(name, nitems(name), osrelp, &len, NULL, 0);
2308 if (error != 0 && errno != ESRCH)
2309 warn("sysctl: kern.proc.osrel: %d", pid);
2314 procstat_getosrel_core(struct procstat_core *core, int *osrelp)
2319 buf = procstat_core_get(core, PSC_TYPE_OSREL, NULL, &len);
2322 if (len < sizeof(*osrelp)) {
2332 procstat_getosrel(struct procstat *procstat, struct kinfo_proc *kp, int *osrelp)
2334 switch(procstat->type) {
2336 return (procstat_getosrel_kvm(procstat->kd, kp, osrelp));
2337 case PROCSTAT_SYSCTL:
2338 return (procstat_getosrel_sysctl(kp->ki_pid, osrelp));
2340 return (procstat_getosrel_core(procstat->core, osrelp));
2342 warnx("unknown access method: %d", procstat->type);
2347 #define PROC_AUXV_MAX 256
2349 #if __ELF_WORD_SIZE == 64
2350 static const char *elf32_sv_names[] = {
2356 is_elf32_sysctl(pid_t pid)
2360 static char sv_name[256];
2363 name[1] = KERN_PROC;
2364 name[2] = KERN_PROC_SV_NAME;
2366 len = sizeof(sv_name);
2367 error = sysctl(name, nitems(name), sv_name, &len, NULL, 0);
2368 if (error != 0 || len == 0)
2370 for (i = 0; i < sizeof(elf32_sv_names) / sizeof(*elf32_sv_names); i++) {
2371 if (strncmp(sv_name, elf32_sv_names[i], sizeof(sv_name)) == 0)
2377 static Elf_Auxinfo *
2378 procstat_getauxv32_sysctl(pid_t pid, unsigned int *cntp)
2381 Elf32_Auxinfo *auxv32;
2384 unsigned int i, count;
2388 name[1] = KERN_PROC;
2389 name[2] = KERN_PROC_AUXV;
2391 len = PROC_AUXV_MAX * sizeof(Elf32_Auxinfo);
2393 auxv32 = malloc(len);
2394 if (auxv32 == NULL) {
2395 warn("malloc(%zu)", len);
2398 if (sysctl(name, nitems(name), auxv32, &len, NULL, 0) == -1) {
2399 if (errno != ESRCH && errno != EPERM)
2400 warn("sysctl: kern.proc.auxv: %d: %d", pid, errno);
2403 count = len / sizeof(Elf_Auxinfo);
2404 auxv = malloc(count * sizeof(Elf_Auxinfo));
2406 warn("malloc(%zu)", count * sizeof(Elf_Auxinfo));
2409 for (i = 0; i < count; i++) {
2411 * XXX: We expect that values for a_type on a 32-bit platform
2412 * are directly mapped to values on 64-bit one, which is not
2415 auxv[i].a_type = auxv32[i].a_type;
2416 ptr = &auxv32[i].a_un;
2417 auxv[i].a_un.a_val = *((uint32_t *)ptr);
2424 #endif /* __ELF_WORD_SIZE == 64 */
2426 static Elf_Auxinfo *
2427 procstat_getauxv_sysctl(pid_t pid, unsigned int *cntp)
2433 #if __ELF_WORD_SIZE == 64
2434 if (is_elf32_sysctl(pid))
2435 return (procstat_getauxv32_sysctl(pid, cntp));
2438 name[1] = KERN_PROC;
2439 name[2] = KERN_PROC_AUXV;
2441 len = PROC_AUXV_MAX * sizeof(Elf_Auxinfo);
2444 warn("malloc(%zu)", len);
2447 if (sysctl(name, nitems(name), auxv, &len, NULL, 0) == -1) {
2448 if (errno != ESRCH && errno != EPERM)
2449 warn("sysctl: kern.proc.auxv: %d: %d", pid, errno);
2453 *cntp = len / sizeof(Elf_Auxinfo);
2457 static Elf_Auxinfo *
2458 procstat_getauxv_core(struct procstat_core *core, unsigned int *cntp)
2463 auxv = procstat_core_get(core, PSC_TYPE_AUXV, NULL, &len);
2466 *cntp = len / sizeof(Elf_Auxinfo);
2471 procstat_getauxv(struct procstat *procstat, struct kinfo_proc *kp,
2474 switch(procstat->type) {
2476 warnx("kvm method is not supported");
2478 case PROCSTAT_SYSCTL:
2479 return (procstat_getauxv_sysctl(kp->ki_pid, cntp));
2481 return (procstat_getauxv_core(procstat->core, cntp));
2483 warnx("unknown access method: %d", procstat->type);
2489 procstat_freeauxv(struct procstat *procstat __unused, Elf_Auxinfo *auxv)
2495 static struct ptrace_lwpinfo *
2496 procstat_getptlwpinfo_core(struct procstat_core *core, unsigned int *cntp)
2499 struct ptrace_lwpinfo *pl;
2503 cnt = procstat_core_note_count(core, PSC_TYPE_PTLWPINFO);
2507 len = cnt * sizeof(*pl);
2508 buf = calloc(1, len);
2509 pl = procstat_core_get(core, PSC_TYPE_PTLWPINFO, buf, &len);
2514 *cntp = len / sizeof(*pl);
2518 struct ptrace_lwpinfo *
2519 procstat_getptlwpinfo(struct procstat *procstat, unsigned int *cntp)
2521 switch (procstat->type) {
2523 warnx("kvm method is not supported");
2525 case PROCSTAT_SYSCTL:
2526 warnx("sysctl method is not supported");
2529 return (procstat_getptlwpinfo_core(procstat->core, cntp));
2531 warnx("unknown access method: %d", procstat->type);
2537 procstat_freeptlwpinfo(struct procstat *procstat __unused,
2538 struct ptrace_lwpinfo *pl)
2543 static struct kinfo_kstack *
2544 procstat_getkstack_sysctl(pid_t pid, int *cntp)
2546 struct kinfo_kstack *kkstp;
2551 name[1] = KERN_PROC;
2552 name[2] = KERN_PROC_KSTACK;
2556 error = sysctl(name, nitems(name), NULL, &len, NULL, 0);
2557 if (error < 0 && errno != ESRCH && errno != EPERM && errno != ENOENT) {
2558 warn("sysctl: kern.proc.kstack: %d", pid);
2561 if (error == -1 && errno == ENOENT) {
2562 warnx("sysctl: kern.proc.kstack unavailable"
2563 " (options DDB or options STACK required in kernel)");
2568 kkstp = malloc(len);
2569 if (kkstp == NULL) {
2570 warn("malloc(%zu)", len);
2573 if (sysctl(name, nitems(name), kkstp, &len, NULL, 0) == -1) {
2574 warn("sysctl: kern.proc.pid: %d", pid);
2578 *cntp = len / sizeof(*kkstp);
2583 struct kinfo_kstack *
2584 procstat_getkstack(struct procstat *procstat, struct kinfo_proc *kp,
2587 switch(procstat->type) {
2589 warnx("kvm method is not supported");
2591 case PROCSTAT_SYSCTL:
2592 return (procstat_getkstack_sysctl(kp->ki_pid, cntp));
2594 warnx("core method is not supported");
2597 warnx("unknown access method: %d", procstat->type);
2603 procstat_freekstack(struct procstat *procstat __unused,
2604 struct kinfo_kstack *kkstp)