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);
449 procstat_vm_map_reader(void *token, vm_map_entry_t addr, vm_map_entry_t dest)
454 return (kvm_read_all(kd, (unsigned long)addr, dest, sizeof(*dest)));
457 static struct filestat_list *
458 procstat_getfiles_kvm(struct procstat *procstat, struct kinfo_proc *kp, int mmapped)
461 struct filedesc filed;
462 struct vm_map_entry vmentry;
463 struct vm_object object;
464 struct vmspace vmspace;
465 vm_map_entry_t entryp;
468 struct file **ofiles;
469 struct filestat *entry;
470 struct filestat_list *head;
481 if (kp->ki_fd == NULL)
483 if (!kvm_read_all(kd, (unsigned long)kp->ki_fd, &filed,
485 warnx("can't read filedesc at %p", (void *)kp->ki_fd);
490 * Allocate list head.
492 head = malloc(sizeof(*head));
497 /* root directory vnode, if one. */
499 entry = filestat_new_entry(filed.fd_rdir, PS_FST_TYPE_VNODE, -1,
500 PS_FST_FFLAG_READ, PS_FST_UFLAG_RDIR, 0, 0, NULL, NULL);
502 STAILQ_INSERT_TAIL(head, entry, next);
504 /* current working directory vnode. */
506 entry = filestat_new_entry(filed.fd_cdir, PS_FST_TYPE_VNODE, -1,
507 PS_FST_FFLAG_READ, PS_FST_UFLAG_CDIR, 0, 0, NULL, NULL);
509 STAILQ_INSERT_TAIL(head, entry, next);
511 /* jail root, if any. */
513 entry = filestat_new_entry(filed.fd_jdir, PS_FST_TYPE_VNODE, -1,
514 PS_FST_FFLAG_READ, PS_FST_UFLAG_JAIL, 0, 0, NULL, NULL);
516 STAILQ_INSERT_TAIL(head, entry, next);
518 /* ktrace vnode, if one */
520 entry = filestat_new_entry(kp->ki_tracep, PS_FST_TYPE_VNODE, -1,
521 PS_FST_FFLAG_READ | PS_FST_FFLAG_WRITE,
522 PS_FST_UFLAG_TRACE, 0, 0, NULL, NULL);
524 STAILQ_INSERT_TAIL(head, entry, next);
526 /* text vnode, if one */
528 entry = filestat_new_entry(kp->ki_textvp, PS_FST_TYPE_VNODE, -1,
529 PS_FST_FFLAG_READ, PS_FST_UFLAG_TEXT, 0, 0, NULL, NULL);
531 STAILQ_INSERT_TAIL(head, entry, next);
533 /* Controlling terminal. */
534 if ((vp = getctty(kd, kp)) != NULL) {
535 entry = filestat_new_entry(vp, PS_FST_TYPE_VNODE, -1,
536 PS_FST_FFLAG_READ | PS_FST_FFLAG_WRITE,
537 PS_FST_UFLAG_CTTY, 0, 0, NULL, NULL);
539 STAILQ_INSERT_TAIL(head, entry, next);
542 nfiles = filed.fd_lastfile + 1;
543 ofiles = malloc(nfiles * sizeof(struct file *));
544 if (ofiles == NULL) {
545 warn("malloc(%zu)", nfiles * sizeof(struct file *));
548 if (!kvm_read_all(kd, (unsigned long)filed.fd_ofiles, ofiles,
549 nfiles * sizeof(struct file *))) {
550 warnx("cannot read file structures at %p",
551 (void *)filed.fd_ofiles);
555 for (i = 0; i <= filed.fd_lastfile; i++) {
556 if (ofiles[i] == NULL)
558 if (!kvm_read_all(kd, (unsigned long)ofiles[i], &file,
559 sizeof(struct file))) {
560 warnx("can't read file %d at %p", i,
564 switch (file.f_type) {
566 type = PS_FST_TYPE_VNODE;
570 type = PS_FST_TYPE_SOCKET;
574 type = PS_FST_TYPE_PIPE;
578 type = PS_FST_TYPE_FIFO;
583 type = PS_FST_TYPE_PTS;
588 type = PS_FST_TYPE_SEM;
592 type = PS_FST_TYPE_SHM;
596 type = PS_FST_TYPE_PROCDESC;
600 type = PS_FST_TYPE_DEV;
606 /* XXXRW: No capability rights support for kvm yet. */
607 entry = filestat_new_entry(data, type, i,
608 to_filestat_flags(file.f_flag), 0, 0, 0, NULL, NULL);
610 STAILQ_INSERT_TAIL(head, entry, next);
617 * Process mmapped files if requested.
620 if (!kvm_read_all(kd, (unsigned long)kp->ki_vmspace, &vmspace,
622 warnx("can't read vmspace at %p",
623 (void *)kp->ki_vmspace);
627 vmentry = vmspace.vm_map.header;
628 for (entryp = vm_map_entry_read_succ(kd, &vmentry, procstat_vm_map_reader);
629 entryp != NULL && entryp != &kp->ki_vmspace->vm_map.header;
630 entryp = vm_map_entry_read_succ(kd, &vmentry, procstat_vm_map_reader)) {
631 if (vmentry.eflags & MAP_ENTRY_IS_SUB_MAP)
633 if ((objp = vmentry.object.vm_object) == NULL)
635 for (; objp; objp = object.backing_object) {
636 if (!kvm_read_all(kd, (unsigned long)objp,
637 &object, sizeof(object))) {
638 warnx("can't read vm_object at %p",
644 /* We want only vnode objects. */
645 if (object.type != OBJT_VNODE)
648 prot = vmentry.protection;
650 if (prot & VM_PROT_READ)
651 fflags = PS_FST_FFLAG_READ;
652 if ((vmentry.eflags & MAP_ENTRY_COW) == 0 &&
653 prot & VM_PROT_WRITE)
654 fflags |= PS_FST_FFLAG_WRITE;
657 * Create filestat entry.
659 entry = filestat_new_entry(object.handle,
660 PS_FST_TYPE_VNODE, -1, fflags,
661 PS_FST_UFLAG_MMAP, 0, 0, NULL, NULL);
663 STAILQ_INSERT_TAIL(head, entry, next);
666 warnx("can't read vm_map_entry");
673 * kinfo types to filestat translation.
676 kinfo_type2fst(int kftype)
682 { KF_TYPE_PROCDESC, PS_FST_TYPE_PROCDESC },
683 { KF_TYPE_CRYPTO, PS_FST_TYPE_CRYPTO },
684 { KF_TYPE_DEV, PS_FST_TYPE_DEV },
685 { KF_TYPE_FIFO, PS_FST_TYPE_FIFO },
686 { KF_TYPE_KQUEUE, PS_FST_TYPE_KQUEUE },
687 { KF_TYPE_MQUEUE, PS_FST_TYPE_MQUEUE },
688 { KF_TYPE_NONE, PS_FST_TYPE_NONE },
689 { KF_TYPE_PIPE, PS_FST_TYPE_PIPE },
690 { KF_TYPE_PTS, PS_FST_TYPE_PTS },
691 { KF_TYPE_SEM, PS_FST_TYPE_SEM },
692 { KF_TYPE_SHM, PS_FST_TYPE_SHM },
693 { KF_TYPE_SOCKET, PS_FST_TYPE_SOCKET },
694 { KF_TYPE_VNODE, PS_FST_TYPE_VNODE },
695 { KF_TYPE_UNKNOWN, PS_FST_TYPE_UNKNOWN }
697 #define NKFTYPES (sizeof(kftypes2fst) / sizeof(*kftypes2fst))
700 for (i = 0; i < NKFTYPES; i++)
701 if (kftypes2fst[i].kf_type == kftype)
704 return (PS_FST_TYPE_UNKNOWN);
705 return (kftypes2fst[i].fst_type);
709 * kinfo flags to filestat translation.
712 kinfo_fflags2fst(int kfflags)
718 { KF_FLAG_APPEND, PS_FST_FFLAG_APPEND },
719 { KF_FLAG_ASYNC, PS_FST_FFLAG_ASYNC },
720 { KF_FLAG_CREAT, PS_FST_FFLAG_CREAT },
721 { KF_FLAG_DIRECT, PS_FST_FFLAG_DIRECT },
722 { KF_FLAG_EXCL, PS_FST_FFLAG_EXCL },
723 { KF_FLAG_EXEC, PS_FST_FFLAG_EXEC },
724 { KF_FLAG_EXLOCK, PS_FST_FFLAG_EXLOCK },
725 { KF_FLAG_FSYNC, PS_FST_FFLAG_SYNC },
726 { KF_FLAG_HASLOCK, PS_FST_FFLAG_HASLOCK },
727 { KF_FLAG_NOFOLLOW, PS_FST_FFLAG_NOFOLLOW },
728 { KF_FLAG_NONBLOCK, PS_FST_FFLAG_NONBLOCK },
729 { KF_FLAG_READ, PS_FST_FFLAG_READ },
730 { KF_FLAG_SHLOCK, PS_FST_FFLAG_SHLOCK },
731 { KF_FLAG_TRUNC, PS_FST_FFLAG_TRUNC },
732 { KF_FLAG_WRITE, PS_FST_FFLAG_WRITE }
734 #define NKFFLAGS (sizeof(kfflags2fst) / sizeof(*kfflags2fst))
739 for (i = 0; i < NKFFLAGS; i++)
740 if ((kfflags & kfflags2fst[i].kf_flag) != 0)
741 flags |= kfflags2fst[i].fst_flag;
746 kinfo_uflags2fst(int fd)
750 case KF_FD_TYPE_CTTY:
751 return (PS_FST_UFLAG_CTTY);
753 return (PS_FST_UFLAG_CDIR);
754 case KF_FD_TYPE_JAIL:
755 return (PS_FST_UFLAG_JAIL);
756 case KF_FD_TYPE_TEXT:
757 return (PS_FST_UFLAG_TEXT);
758 case KF_FD_TYPE_TRACE:
759 return (PS_FST_UFLAG_TRACE);
760 case KF_FD_TYPE_ROOT:
761 return (PS_FST_UFLAG_RDIR);
766 static struct kinfo_file *
767 kinfo_getfile_core(struct procstat_core *core, int *cntp)
772 struct kinfo_file *kif, *kp, *kf;
774 buf = procstat_core_get(core, PSC_TYPE_FILES, NULL, &len);
778 * XXXMG: The code below is just copy&past from libutil.
779 * The code duplication can be avoided if libutil
780 * is extended to provide something like:
781 * struct kinfo_file *kinfo_getfile_from_buf(const char *buf,
782 * size_t len, int *cntp);
785 /* Pass 1: count items */
790 kf = (struct kinfo_file *)(uintptr_t)bp;
791 if (kf->kf_structsize == 0)
793 bp += kf->kf_structsize;
797 kif = calloc(cnt, sizeof(*kif));
807 kf = (struct kinfo_file *)(uintptr_t)bp;
808 if (kf->kf_structsize == 0)
810 /* Copy/expand into pre-zeroed buffer */
811 memcpy(kp, kf, kf->kf_structsize);
812 /* Advance to next packed record */
813 bp += kf->kf_structsize;
814 /* Set field size to fixed length, advance */
815 kp->kf_structsize = sizeof(*kp);
820 return (kif); /* Caller must free() return value */
823 static struct filestat_list *
824 procstat_getfiles_sysctl(struct procstat *procstat, struct kinfo_proc *kp,
827 struct kinfo_file *kif, *files;
828 struct kinfo_vmentry *kve, *vmentries;
829 struct filestat_list *head;
830 struct filestat *entry;
836 cap_rights_t cap_rights;
839 if (kp->ki_fd == NULL)
841 switch(procstat->type) {
842 case PROCSTAT_SYSCTL:
843 files = kinfo_getfile(kp->ki_pid, &cnt);
846 files = kinfo_getfile_core(procstat->core, &cnt);
849 assert(!"invalid type");
851 if (files == NULL && errno != EPERM) {
852 warn("kinfo_getfile()");
855 procstat->files = files;
858 * Allocate list head.
860 head = malloc(sizeof(*head));
864 for (i = 0; i < cnt; i++) {
867 type = kinfo_type2fst(kif->kf_type);
868 fd = kif->kf_fd >= 0 ? kif->kf_fd : -1;
869 fflags = kinfo_fflags2fst(kif->kf_flags);
870 uflags = kinfo_uflags2fst(kif->kf_fd);
871 refcount = kif->kf_ref_count;
872 offset = kif->kf_offset;
873 if (*kif->kf_path != '\0')
874 path = strdup(kif->kf_path);
877 cap_rights = kif->kf_cap_rights;
880 * Create filestat entry.
882 entry = filestat_new_entry(kif, type, fd, fflags, uflags,
883 refcount, offset, path, &cap_rights);
885 STAILQ_INSERT_TAIL(head, entry, next);
888 vmentries = procstat_getvmmap(procstat, kp, &cnt);
889 procstat->vmentries = vmentries;
890 if (vmentries == NULL || cnt == 0)
892 for (i = 0; i < cnt; i++) {
894 if (kve->kve_type != KVME_TYPE_VNODE)
897 if (kve->kve_protection & KVME_PROT_READ)
898 fflags = PS_FST_FFLAG_READ;
899 if ((kve->kve_flags & KVME_FLAG_COW) == 0 &&
900 kve->kve_protection & KVME_PROT_WRITE)
901 fflags |= PS_FST_FFLAG_WRITE;
902 offset = kve->kve_offset;
903 refcount = kve->kve_ref_count;
904 if (*kve->kve_path != '\0')
905 path = strdup(kve->kve_path);
908 entry = filestat_new_entry(kve, PS_FST_TYPE_VNODE, -1,
909 fflags, PS_FST_UFLAG_MMAP, refcount, offset, path,
912 STAILQ_INSERT_TAIL(head, entry, next);
920 procstat_get_pipe_info(struct procstat *procstat, struct filestat *fst,
921 struct pipestat *ps, char *errbuf)
925 if (procstat->type == PROCSTAT_KVM) {
926 return (procstat_get_pipe_info_kvm(procstat->kd, fst, ps,
928 } else if (procstat->type == PROCSTAT_SYSCTL ||
929 procstat->type == PROCSTAT_CORE) {
930 return (procstat_get_pipe_info_sysctl(fst, ps, errbuf));
932 warnx("unknown access method: %d", procstat->type);
934 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
940 procstat_get_pipe_info_kvm(kvm_t *kd, struct filestat *fst,
941 struct pipestat *ps, char *errbuf)
949 bzero(ps, sizeof(*ps));
950 pipep = fst->fs_typedep;
953 if (!kvm_read_all(kd, (unsigned long)pipep, &pi, sizeof(struct pipe))) {
954 warnx("can't read pipe at %p", (void *)pipep);
957 ps->addr = (uintptr_t)pipep;
958 ps->peer = (uintptr_t)pi.pipe_peer;
959 ps->buffer_cnt = pi.pipe_buffer.cnt;
964 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
969 procstat_get_pipe_info_sysctl(struct filestat *fst, struct pipestat *ps,
970 char *errbuf __unused)
972 struct kinfo_file *kif;
976 bzero(ps, sizeof(*ps));
977 kif = fst->fs_typedep;
980 ps->addr = kif->kf_un.kf_pipe.kf_pipe_addr;
981 ps->peer = kif->kf_un.kf_pipe.kf_pipe_peer;
982 ps->buffer_cnt = kif->kf_un.kf_pipe.kf_pipe_buffer_cnt;
987 procstat_get_pts_info(struct procstat *procstat, struct filestat *fst,
988 struct ptsstat *pts, char *errbuf)
992 if (procstat->type == PROCSTAT_KVM) {
993 return (procstat_get_pts_info_kvm(procstat->kd, fst, pts,
995 } else if (procstat->type == PROCSTAT_SYSCTL ||
996 procstat->type == PROCSTAT_CORE) {
997 return (procstat_get_pts_info_sysctl(fst, pts, errbuf));
999 warnx("unknown access method: %d", procstat->type);
1001 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1007 procstat_get_pts_info_kvm(kvm_t *kd, struct filestat *fst,
1008 struct ptsstat *pts, char *errbuf)
1016 bzero(pts, sizeof(*pts));
1017 ttyp = fst->fs_typedep;
1020 if (!kvm_read_all(kd, (unsigned long)ttyp, &tty, sizeof(struct tty))) {
1021 warnx("can't read tty at %p", (void *)ttyp);
1024 pts->dev = dev2udev(kd, tty.t_dev);
1025 (void)kdevtoname(kd, tty.t_dev, pts->devname);
1030 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1035 procstat_get_pts_info_sysctl(struct filestat *fst, struct ptsstat *pts,
1036 char *errbuf __unused)
1038 struct kinfo_file *kif;
1042 bzero(pts, sizeof(*pts));
1043 kif = fst->fs_typedep;
1046 pts->dev = kif->kf_un.kf_pts.kf_pts_dev;
1047 strlcpy(pts->devname, kif->kf_path, sizeof(pts->devname));
1052 procstat_get_sem_info(struct procstat *procstat, struct filestat *fst,
1053 struct semstat *sem, char *errbuf)
1057 if (procstat->type == PROCSTAT_KVM) {
1058 return (procstat_get_sem_info_kvm(procstat->kd, fst, sem,
1060 } else if (procstat->type == PROCSTAT_SYSCTL ||
1061 procstat->type == PROCSTAT_CORE) {
1062 return (procstat_get_sem_info_sysctl(fst, sem, errbuf));
1064 warnx("unknown access method: %d", procstat->type);
1066 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1072 procstat_get_sem_info_kvm(kvm_t *kd, struct filestat *fst,
1073 struct semstat *sem, char *errbuf)
1083 bzero(sem, sizeof(*sem));
1084 ksemp = fst->fs_typedep;
1087 if (!kvm_read_all(kd, (unsigned long)ksemp, &ksem,
1088 sizeof(struct ksem))) {
1089 warnx("can't read ksem at %p", (void *)ksemp);
1092 sem->mode = S_IFREG | ksem.ks_mode;
1093 sem->value = ksem.ks_value;
1094 if (fst->fs_path == NULL && ksem.ks_path != NULL) {
1095 path = malloc(MAXPATHLEN);
1096 for (i = 0; i < MAXPATHLEN - 1; i++) {
1097 if (!kvm_read_all(kd, (unsigned long)ksem.ks_path + i,
1100 if (path[i] == '\0')
1107 fst->fs_path = path;
1113 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1118 procstat_get_sem_info_sysctl(struct filestat *fst, struct semstat *sem,
1119 char *errbuf __unused)
1121 struct kinfo_file *kif;
1125 bzero(sem, sizeof(*sem));
1126 kif = fst->fs_typedep;
1129 sem->value = kif->kf_un.kf_sem.kf_sem_value;
1130 sem->mode = kif->kf_un.kf_sem.kf_sem_mode;
1135 procstat_get_shm_info(struct procstat *procstat, struct filestat *fst,
1136 struct shmstat *shm, char *errbuf)
1140 if (procstat->type == PROCSTAT_KVM) {
1141 return (procstat_get_shm_info_kvm(procstat->kd, fst, shm,
1143 } else if (procstat->type == PROCSTAT_SYSCTL ||
1144 procstat->type == PROCSTAT_CORE) {
1145 return (procstat_get_shm_info_sysctl(fst, shm, errbuf));
1147 warnx("unknown access method: %d", procstat->type);
1149 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1155 procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst,
1156 struct shmstat *shm, char *errbuf)
1166 bzero(shm, sizeof(*shm));
1167 shmfdp = fst->fs_typedep;
1170 if (!kvm_read_all(kd, (unsigned long)shmfdp, &shmfd,
1171 sizeof(struct shmfd))) {
1172 warnx("can't read shmfd at %p", (void *)shmfdp);
1175 shm->mode = S_IFREG | shmfd.shm_mode;
1176 shm->size = shmfd.shm_size;
1177 if (fst->fs_path == NULL && shmfd.shm_path != NULL) {
1178 path = malloc(MAXPATHLEN);
1179 for (i = 0; i < MAXPATHLEN - 1; i++) {
1180 if (!kvm_read_all(kd, (unsigned long)shmfd.shm_path + i,
1183 if (path[i] == '\0')
1190 fst->fs_path = path;
1196 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1201 procstat_get_shm_info_sysctl(struct filestat *fst, struct shmstat *shm,
1202 char *errbuf __unused)
1204 struct kinfo_file *kif;
1208 bzero(shm, sizeof(*shm));
1209 kif = fst->fs_typedep;
1212 shm->size = kif->kf_un.kf_file.kf_file_size;
1213 shm->mode = kif->kf_un.kf_file.kf_file_mode;
1218 procstat_get_vnode_info(struct procstat *procstat, struct filestat *fst,
1219 struct vnstat *vn, char *errbuf)
1223 if (procstat->type == PROCSTAT_KVM) {
1224 return (procstat_get_vnode_info_kvm(procstat->kd, fst, vn,
1226 } else if (procstat->type == PROCSTAT_SYSCTL ||
1227 procstat->type == PROCSTAT_CORE) {
1228 return (procstat_get_vnode_info_sysctl(fst, vn, errbuf));
1230 warnx("unknown access method: %d", procstat->type);
1232 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1238 procstat_get_vnode_info_kvm(kvm_t *kd, struct filestat *fst,
1239 struct vnstat *vn, char *errbuf)
1241 /* Filesystem specific handlers. */
1242 #define FSTYPE(fst) {#fst, fst##_filestat}
1245 int (*handler)(kvm_t *kd, struct vnode *vp,
1255 #ifdef LIBPROCSTAT_ZFS
1259 #define NTYPES (sizeof(fstypes) / sizeof(*fstypes))
1269 vp = fst->fs_typedep;
1272 error = kvm_read_all(kd, (unsigned long)vp, &vnode, sizeof(vnode));
1274 warnx("can't read vnode at %p", (void *)vp);
1277 bzero(vn, sizeof(*vn));
1278 vn->vn_type = vntype2psfsttype(vnode.v_type);
1279 if (vnode.v_type == VNON || vnode.v_type == VBAD)
1281 error = kvm_read_all(kd, (unsigned long)vnode.v_lock.lock_object.lo_name,
1282 tagstr, sizeof(tagstr));
1284 warnx("can't read lo_name at %p", (void *)vp);
1287 tagstr[sizeof(tagstr) - 1] = '\0';
1290 * Find appropriate handler.
1292 for (i = 0; i < NTYPES; i++)
1293 if (!strcmp(fstypes[i].tag, tagstr)) {
1294 if (fstypes[i].handler(kd, &vnode, vn) != 0) {
1301 snprintf(errbuf, _POSIX2_LINE_MAX, "?(%s)", tagstr);
1304 vn->vn_mntdir = getmnton(kd, vnode.v_mount);
1305 if ((vnode.v_type == VBLK || vnode.v_type == VCHR) &&
1306 vnode.v_rdev != NULL){
1307 vn->vn_dev = dev2udev(kd, vnode.v_rdev);
1308 (void)kdevtoname(kd, vnode.v_rdev, vn->vn_devname);
1316 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1321 * kinfo vnode type to filestat translation.
1324 kinfo_vtype2fst(int kfvtype)
1329 } kfvtypes2fst[] = {
1330 { KF_VTYPE_VBAD, PS_FST_VTYPE_VBAD },
1331 { KF_VTYPE_VBLK, PS_FST_VTYPE_VBLK },
1332 { KF_VTYPE_VCHR, PS_FST_VTYPE_VCHR },
1333 { KF_VTYPE_VDIR, PS_FST_VTYPE_VDIR },
1334 { KF_VTYPE_VFIFO, PS_FST_VTYPE_VFIFO },
1335 { KF_VTYPE_VLNK, PS_FST_VTYPE_VLNK },
1336 { KF_VTYPE_VNON, PS_FST_VTYPE_VNON },
1337 { KF_VTYPE_VREG, PS_FST_VTYPE_VREG },
1338 { KF_VTYPE_VSOCK, PS_FST_VTYPE_VSOCK }
1340 #define NKFVTYPES (sizeof(kfvtypes2fst) / sizeof(*kfvtypes2fst))
1343 for (i = 0; i < NKFVTYPES; i++)
1344 if (kfvtypes2fst[i].kf_vtype == kfvtype)
1347 return (PS_FST_VTYPE_UNKNOWN);
1348 return (kfvtypes2fst[i].fst_vtype);
1352 procstat_get_vnode_info_sysctl(struct filestat *fst, struct vnstat *vn,
1355 struct statfs stbuf;
1356 struct kinfo_file *kif;
1357 struct kinfo_vmentry *kve;
1369 bzero(vn, sizeof(*vn));
1370 if (fst->fs_typedep == NULL)
1372 if (fst->fs_uflags & PS_FST_UFLAG_MMAP) {
1373 kve = fst->fs_typedep;
1374 fileid = kve->kve_vn_fileid;
1375 fsid = kve->kve_vn_fsid;
1376 mode = kve->kve_vn_mode;
1377 path = kve->kve_path;
1378 rdev = kve->kve_vn_rdev;
1379 size = kve->kve_vn_size;
1380 vntype = kinfo_vtype2fst(kve->kve_vn_type);
1381 status = kve->kve_status;
1383 kif = fst->fs_typedep;
1384 fileid = kif->kf_un.kf_file.kf_file_fileid;
1385 fsid = kif->kf_un.kf_file.kf_file_fsid;
1386 mode = kif->kf_un.kf_file.kf_file_mode;
1387 path = kif->kf_path;
1388 rdev = kif->kf_un.kf_file.kf_file_rdev;
1389 size = kif->kf_un.kf_file.kf_file_size;
1390 vntype = kinfo_vtype2fst(kif->kf_vnode_type);
1391 status = kif->kf_status;
1393 vn->vn_type = vntype;
1394 if (vntype == PS_FST_VTYPE_VNON || vntype == PS_FST_VTYPE_VBAD)
1396 if ((status & KF_ATTR_VALID) == 0) {
1397 if (errbuf != NULL) {
1398 snprintf(errbuf, _POSIX2_LINE_MAX,
1399 "? (no info available)");
1403 if (path && *path) {
1404 statfs(path, &stbuf);
1405 vn->vn_mntdir = strdup(stbuf.f_mntonname);
1407 vn->vn_mntdir = strdup("-");
1409 if (vntype == PS_FST_VTYPE_VBLK) {
1410 name = devname(rdev, S_IFBLK);
1412 strlcpy(vn->vn_devname, name,
1413 sizeof(vn->vn_devname));
1414 } else if (vntype == PS_FST_VTYPE_VCHR) {
1415 name = devname(vn->vn_dev, S_IFCHR);
1417 strlcpy(vn->vn_devname, name,
1418 sizeof(vn->vn_devname));
1421 vn->vn_fileid = fileid;
1428 procstat_get_socket_info(struct procstat *procstat, struct filestat *fst,
1429 struct sockstat *sock, char *errbuf)
1433 if (procstat->type == PROCSTAT_KVM) {
1434 return (procstat_get_socket_info_kvm(procstat->kd, fst, sock,
1436 } else if (procstat->type == PROCSTAT_SYSCTL ||
1437 procstat->type == PROCSTAT_CORE) {
1438 return (procstat_get_socket_info_sysctl(fst, sock, errbuf));
1440 warnx("unknown access method: %d", procstat->type);
1442 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1448 procstat_get_socket_info_kvm(kvm_t *kd, struct filestat *fst,
1449 struct sockstat *sock, char *errbuf)
1453 struct protosw proto;
1462 bzero(sock, sizeof(*sock));
1463 so = fst->fs_typedep;
1466 sock->so_addr = (uintptr_t)so;
1467 /* fill in socket */
1468 if (!kvm_read_all(kd, (unsigned long)so, &s,
1469 sizeof(struct socket))) {
1470 warnx("can't read sock at %p", (void *)so);
1473 /* fill in protosw entry */
1474 if (!kvm_read_all(kd, (unsigned long)s.so_proto, &proto,
1475 sizeof(struct protosw))) {
1476 warnx("can't read protosw at %p", (void *)s.so_proto);
1479 /* fill in domain */
1480 if (!kvm_read_all(kd, (unsigned long)proto.pr_domain, &dom,
1481 sizeof(struct domain))) {
1482 warnx("can't read domain at %p",
1483 (void *)proto.pr_domain);
1486 if ((len = kvm_read(kd, (unsigned long)dom.dom_name, sock->dname,
1487 sizeof(sock->dname) - 1)) < 0) {
1488 warnx("can't read domain name at %p", (void *)dom.dom_name);
1489 sock->dname[0] = '\0';
1492 sock->dname[len] = '\0';
1495 * Fill in known data.
1497 sock->type = s.so_type;
1498 sock->proto = proto.pr_protocol;
1499 sock->dom_family = dom.dom_family;
1500 sock->so_pcb = (uintptr_t)s.so_pcb;
1503 * Protocol specific data.
1505 switch(dom.dom_family) {
1508 if (proto.pr_protocol == IPPROTO_TCP) {
1510 if (kvm_read(kd, (u_long)s.so_pcb,
1511 (char *)&inpcb, sizeof(struct inpcb))
1512 != sizeof(struct inpcb)) {
1513 warnx("can't read inpcb at %p",
1517 (uintptr_t)inpcb.inp_ppcb;
1518 sock->sendq = s.so_snd.sb_ccc;
1519 sock->recvq = s.so_rcv.sb_ccc;
1525 if (kvm_read(kd, (u_long)s.so_pcb, (char *)&unpcb,
1526 sizeof(struct unpcb)) != sizeof(struct unpcb)){
1527 warnx("can't read unpcb at %p",
1529 } else if (unpcb.unp_conn) {
1530 sock->so_rcv_sb_state = s.so_rcv.sb_state;
1531 sock->so_snd_sb_state = s.so_snd.sb_state;
1532 sock->unp_conn = (uintptr_t)unpcb.unp_conn;
1533 sock->sendq = s.so_snd.sb_ccc;
1534 sock->recvq = s.so_rcv.sb_ccc;
1545 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1550 procstat_get_socket_info_sysctl(struct filestat *fst, struct sockstat *sock,
1551 char *errbuf __unused)
1553 struct kinfo_file *kif;
1557 bzero(sock, sizeof(*sock));
1558 kif = fst->fs_typedep;
1563 * Fill in known data.
1565 sock->type = kif->kf_sock_type;
1566 sock->proto = kif->kf_sock_protocol;
1567 sock->dom_family = kif->kf_sock_domain;
1568 sock->so_pcb = kif->kf_un.kf_sock.kf_sock_pcb;
1569 strlcpy(sock->dname, kif->kf_path, sizeof(sock->dname));
1570 bcopy(&kif->kf_un.kf_sock.kf_sa_local, &sock->sa_local,
1571 kif->kf_un.kf_sock.kf_sa_local.ss_len);
1572 bcopy(&kif->kf_un.kf_sock.kf_sa_peer, &sock->sa_peer,
1573 kif->kf_un.kf_sock.kf_sa_peer.ss_len);
1576 * Protocol specific data.
1578 switch(sock->dom_family) {
1581 if (sock->proto == IPPROTO_TCP) {
1582 sock->inp_ppcb = kif->kf_un.kf_sock.kf_sock_inpcb;
1583 sock->sendq = kif->kf_un.kf_sock.kf_sock_sendq;
1584 sock->recvq = kif->kf_un.kf_sock.kf_sock_recvq;
1588 if (kif->kf_un.kf_sock.kf_sock_unpconn != 0) {
1589 sock->so_rcv_sb_state =
1590 kif->kf_un.kf_sock.kf_sock_rcv_sb_state;
1591 sock->so_snd_sb_state =
1592 kif->kf_un.kf_sock.kf_sock_snd_sb_state;
1594 kif->kf_un.kf_sock.kf_sock_unpconn;
1595 sock->sendq = kif->kf_un.kf_sock.kf_sock_sendq;
1596 sock->recvq = kif->kf_un.kf_sock.kf_sock_recvq;
1606 * Descriptor flags to filestat translation.
1609 to_filestat_flags(int flags)
1615 { FREAD, PS_FST_FFLAG_READ },
1616 { FWRITE, PS_FST_FFLAG_WRITE },
1617 { O_APPEND, PS_FST_FFLAG_APPEND },
1618 { O_ASYNC, PS_FST_FFLAG_ASYNC },
1619 { O_CREAT, PS_FST_FFLAG_CREAT },
1620 { O_DIRECT, PS_FST_FFLAG_DIRECT },
1621 { O_EXCL, PS_FST_FFLAG_EXCL },
1622 { O_EXEC, PS_FST_FFLAG_EXEC },
1623 { O_EXLOCK, PS_FST_FFLAG_EXLOCK },
1624 { O_NOFOLLOW, PS_FST_FFLAG_NOFOLLOW },
1625 { O_NONBLOCK, PS_FST_FFLAG_NONBLOCK },
1626 { O_SHLOCK, PS_FST_FFLAG_SHLOCK },
1627 { O_SYNC, PS_FST_FFLAG_SYNC },
1628 { O_TRUNC, PS_FST_FFLAG_TRUNC }
1630 #define NFSTFLAGS (sizeof(fstflags) / sizeof(*fstflags))
1635 for (i = 0; i < NFSTFLAGS; i++)
1636 if (flags & fstflags[i].flag)
1637 fst_flags |= fstflags[i].fst_flag;
1642 * Vnode type to filestate translation.
1645 vntype2psfsttype(int type)
1651 { VBAD, PS_FST_VTYPE_VBAD },
1652 { VBLK, PS_FST_VTYPE_VBLK },
1653 { VCHR, PS_FST_VTYPE_VCHR },
1654 { VDIR, PS_FST_VTYPE_VDIR },
1655 { VFIFO, PS_FST_VTYPE_VFIFO },
1656 { VLNK, PS_FST_VTYPE_VLNK },
1657 { VNON, PS_FST_VTYPE_VNON },
1658 { VREG, PS_FST_VTYPE_VREG },
1659 { VSOCK, PS_FST_VTYPE_VSOCK }
1661 #define NVFTYPES (sizeof(vt2fst) / sizeof(*vt2fst))
1662 unsigned int i, fst_type;
1664 fst_type = PS_FST_VTYPE_UNKNOWN;
1665 for (i = 0; i < NVFTYPES; i++) {
1666 if (type == vt2fst[i].vtype) {
1667 fst_type = vt2fst[i].fst_vtype;
1675 getmnton(kvm_t *kd, struct mount *m)
1678 static struct mtab {
1681 char mntonname[MNAMELEN + 1];
1685 for (mt = mhead; mt != NULL; mt = mt->next)
1687 return (mt->mntonname);
1688 if (!kvm_read_all(kd, (unsigned long)m, &mnt, sizeof(struct mount))) {
1689 warnx("can't read mount table at %p", (void *)m);
1692 if ((mt = malloc(sizeof (struct mtab))) == NULL)
1695 bcopy(&mnt.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN);
1696 mt->mntonname[MNAMELEN] = '\0';
1699 return (mt->mntonname);
1703 * Auxiliary structures and functions to get process environment or
1704 * command line arguments.
1713 static struct argvec *
1714 argvec_alloc(size_t bufsize)
1718 av = malloc(sizeof(*av));
1721 av->bufsize = bufsize;
1722 av->buf = malloc(av->bufsize);
1723 if (av->buf == NULL) {
1728 av->argv = malloc(sizeof(char *) * av->argc);
1729 if (av->argv == NULL) {
1738 argvec_free(struct argvec * av)
1747 getargv(struct procstat *procstat, struct kinfo_proc *kp, size_t nchr, int env)
1749 int error, name[4], argc, i;
1750 struct argvec *av, **avp;
1757 if (procstat->type == PROCSTAT_KVM) {
1758 warnx("can't use kvm access method");
1761 if (procstat->type != PROCSTAT_SYSCTL &&
1762 procstat->type != PROCSTAT_CORE) {
1763 warnx("unknown access method: %d", procstat->type);
1767 if (nchr == 0 || nchr > ARG_MAX)
1770 avp = (struct argvec **)(env ? &procstat->argv : &procstat->envv);
1775 av = argvec_alloc(nchr);
1778 warn("malloc(%zu)", nchr);
1782 } else if (av->bufsize < nchr) {
1783 av->buf = reallocf(av->buf, nchr);
1784 if (av->buf == NULL) {
1785 warn("malloc(%zu)", nchr);
1789 if (procstat->type == PROCSTAT_SYSCTL) {
1791 name[1] = KERN_PROC;
1792 name[2] = env ? KERN_PROC_ENV : KERN_PROC_ARGS;
1793 name[3] = kp->ki_pid;
1795 error = sysctl(name, nitems(name), av->buf, &len, NULL, 0);
1796 if (error != 0 && errno != ESRCH && errno != EPERM)
1797 warn("sysctl(kern.proc.%s)", env ? "env" : "args");
1798 if (error != 0 || len == 0)
1800 } else /* procstat->type == PROCSTAT_CORE */ {
1801 type = env ? PSC_TYPE_ENVV : PSC_TYPE_ARGV;
1803 if (procstat_core_get(procstat->core, type, av->buf, &len)
1812 for (p = av->buf; p < av->buf + len; p += strlen(p) + 1) {
1818 argv = realloc(argv, sizeof(char *) * argc);
1820 warn("malloc(%zu)", sizeof(char *) * argc);
1832 * Return process command line arguments.
1835 procstat_getargv(struct procstat *procstat, struct kinfo_proc *p, size_t nchr)
1838 return (getargv(procstat, p, nchr, 0));
1842 * Free the buffer allocated by procstat_getargv().
1845 procstat_freeargv(struct procstat *procstat)
1848 if (procstat->argv != NULL) {
1849 argvec_free(procstat->argv);
1850 procstat->argv = NULL;
1855 * Return process environment.
1858 procstat_getenvv(struct procstat *procstat, struct kinfo_proc *p, size_t nchr)
1861 return (getargv(procstat, p, nchr, 1));
1865 * Free the buffer allocated by procstat_getenvv().
1868 procstat_freeenvv(struct procstat *procstat)
1870 if (procstat->envv != NULL) {
1871 argvec_free(procstat->envv);
1872 procstat->envv = NULL;
1876 static struct kinfo_vmentry *
1877 kinfo_getvmmap_core(struct procstat_core *core, int *cntp)
1881 char *buf, *bp, *eb;
1882 struct kinfo_vmentry *kiv, *kp, *kv;
1884 buf = procstat_core_get(core, PSC_TYPE_VMMAP, NULL, &len);
1889 * XXXMG: The code below is just copy&past from libutil.
1890 * The code duplication can be avoided if libutil
1891 * is extended to provide something like:
1892 * struct kinfo_vmentry *kinfo_getvmmap_from_buf(const char *buf,
1893 * size_t len, int *cntp);
1896 /* Pass 1: count items */
1901 kv = (struct kinfo_vmentry *)(uintptr_t)bp;
1902 if (kv->kve_structsize == 0)
1904 bp += kv->kve_structsize;
1908 kiv = calloc(cnt, sizeof(*kiv));
1916 /* Pass 2: unpack */
1918 kv = (struct kinfo_vmentry *)(uintptr_t)bp;
1919 if (kv->kve_structsize == 0)
1921 /* Copy/expand into pre-zeroed buffer */
1922 memcpy(kp, kv, kv->kve_structsize);
1923 /* Advance to next packed record */
1924 bp += kv->kve_structsize;
1925 /* Set field size to fixed length, advance */
1926 kp->kve_structsize = sizeof(*kp);
1931 return (kiv); /* Caller must free() return value */
1934 struct kinfo_vmentry *
1935 procstat_getvmmap(struct procstat *procstat, struct kinfo_proc *kp,
1939 switch(procstat->type) {
1941 warnx("kvm method is not supported");
1943 case PROCSTAT_SYSCTL:
1944 return (kinfo_getvmmap(kp->ki_pid, cntp));
1946 return (kinfo_getvmmap_core(procstat->core, cntp));
1948 warnx("unknown access method: %d", procstat->type);
1954 procstat_freevmmap(struct procstat *procstat __unused,
1955 struct kinfo_vmentry *vmmap)
1962 procstat_getgroups_kvm(kvm_t *kd, struct kinfo_proc *kp, unsigned int *cntp)
1971 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
1973 warnx("can't read proc struct at %p for pid %d",
1974 kp->ki_paddr, kp->ki_pid);
1977 if (proc.p_ucred == NOCRED)
1979 if (!kvm_read_all(kd, (unsigned long)proc.p_ucred, &ucred,
1981 warnx("can't read ucred struct at %p for pid %d",
1982 proc.p_ucred, kp->ki_pid);
1985 len = ucred.cr_ngroups * sizeof(gid_t);
1986 groups = malloc(len);
1987 if (groups == NULL) {
1988 warn("malloc(%zu)", len);
1991 if (!kvm_read_all(kd, (unsigned long)ucred.cr_groups, groups, len)) {
1992 warnx("can't read groups at %p for pid %d",
1993 ucred.cr_groups, kp->ki_pid);
1997 *cntp = ucred.cr_ngroups;
2002 procstat_getgroups_sysctl(pid_t pid, unsigned int *cntp)
2010 mib[2] = KERN_PROC_GROUPS;
2012 len = (sysconf(_SC_NGROUPS_MAX) + 1) * sizeof(gid_t);
2013 groups = malloc(len);
2014 if (groups == NULL) {
2015 warn("malloc(%zu)", len);
2018 if (sysctl(mib, nitems(mib), groups, &len, NULL, 0) == -1) {
2019 warn("sysctl: kern.proc.groups: %d", pid);
2023 *cntp = len / sizeof(gid_t);
2028 procstat_getgroups_core(struct procstat_core *core, unsigned int *cntp)
2033 groups = procstat_core_get(core, PSC_TYPE_GROUPS, NULL, &len);
2036 *cntp = len / sizeof(gid_t);
2041 procstat_getgroups(struct procstat *procstat, struct kinfo_proc *kp,
2044 switch(procstat->type) {
2046 return (procstat_getgroups_kvm(procstat->kd, kp, cntp));
2047 case PROCSTAT_SYSCTL:
2048 return (procstat_getgroups_sysctl(kp->ki_pid, cntp));
2050 return (procstat_getgroups_core(procstat->core, cntp));
2052 warnx("unknown access method: %d", procstat->type);
2058 procstat_freegroups(struct procstat *procstat __unused, gid_t *groups)
2065 procstat_getumask_kvm(kvm_t *kd, struct kinfo_proc *kp, unsigned short *maskp)
2071 if (kp->ki_fd == NULL)
2073 if (!kvm_read_all(kd, (unsigned long)kp->ki_fd, &fd, sizeof(fd))) {
2074 warnx("can't read filedesc at %p for pid %d", kp->ki_fd,
2078 *maskp = fd.fd_cmask;
2083 procstat_getumask_sysctl(pid_t pid, unsigned short *maskp)
2091 mib[2] = KERN_PROC_UMASK;
2093 len = sizeof(*maskp);
2094 error = sysctl(mib, nitems(mib), maskp, &len, NULL, 0);
2095 if (error != 0 && errno != ESRCH && errno != EPERM)
2096 warn("sysctl: kern.proc.umask: %d", pid);
2101 procstat_getumask_core(struct procstat_core *core, unsigned short *maskp)
2104 unsigned short *buf;
2106 buf = procstat_core_get(core, PSC_TYPE_UMASK, NULL, &len);
2109 if (len < sizeof(*maskp)) {
2119 procstat_getumask(struct procstat *procstat, struct kinfo_proc *kp,
2120 unsigned short *maskp)
2122 switch(procstat->type) {
2124 return (procstat_getumask_kvm(procstat->kd, kp, maskp));
2125 case PROCSTAT_SYSCTL:
2126 return (procstat_getumask_sysctl(kp->ki_pid, maskp));
2128 return (procstat_getumask_core(procstat->core, maskp));
2130 warnx("unknown access method: %d", procstat->type);
2136 procstat_getrlimit_kvm(kvm_t *kd, struct kinfo_proc *kp, int which,
2137 struct rlimit* rlimit)
2140 unsigned long offset;
2144 assert(which >= 0 && which < RLIM_NLIMITS);
2145 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
2147 warnx("can't read proc struct at %p for pid %d",
2148 kp->ki_paddr, kp->ki_pid);
2151 if (proc.p_limit == NULL)
2153 offset = (unsigned long)proc.p_limit + sizeof(struct rlimit) * which;
2154 if (!kvm_read_all(kd, offset, rlimit, sizeof(*rlimit))) {
2155 warnx("can't read rlimit struct at %p for pid %d",
2156 (void *)offset, kp->ki_pid);
2163 procstat_getrlimit_sysctl(pid_t pid, int which, struct rlimit* rlimit)
2169 name[1] = KERN_PROC;
2170 name[2] = KERN_PROC_RLIMIT;
2173 len = sizeof(struct rlimit);
2174 error = sysctl(name, nitems(name), rlimit, &len, NULL, 0);
2175 if (error < 0 && errno != ESRCH) {
2176 warn("sysctl: kern.proc.rlimit: %d", pid);
2179 if (error < 0 || len != sizeof(struct rlimit))
2185 procstat_getrlimit_core(struct procstat_core *core, int which,
2186 struct rlimit* rlimit)
2189 struct rlimit* rlimits;
2191 if (which < 0 || which >= RLIM_NLIMITS) {
2193 warn("getrlimit: which");
2196 rlimits = procstat_core_get(core, PSC_TYPE_RLIMIT, NULL, &len);
2197 if (rlimits == NULL)
2199 if (len < sizeof(struct rlimit) * RLIM_NLIMITS) {
2203 *rlimit = rlimits[which];
2209 procstat_getrlimit(struct procstat *procstat, struct kinfo_proc *kp, int which,
2210 struct rlimit* rlimit)
2212 switch(procstat->type) {
2214 return (procstat_getrlimit_kvm(procstat->kd, kp, which,
2216 case PROCSTAT_SYSCTL:
2217 return (procstat_getrlimit_sysctl(kp->ki_pid, which, rlimit));
2219 return (procstat_getrlimit_core(procstat->core, which, rlimit));
2221 warnx("unknown access method: %d", procstat->type);
2227 procstat_getpathname_sysctl(pid_t pid, char *pathname, size_t maxlen)
2233 name[1] = KERN_PROC;
2234 name[2] = KERN_PROC_PATHNAME;
2237 error = sysctl(name, nitems(name), pathname, &len, NULL, 0);
2238 if (error != 0 && errno != ESRCH)
2239 warn("sysctl: kern.proc.pathname: %d", pid);
2246 procstat_getpathname_core(struct procstat_core *core, char *pathname,
2249 struct kinfo_file *files;
2252 files = kinfo_getfile_core(core, &cnt);
2256 for (i = 0; i < cnt; i++) {
2257 if (files[i].kf_fd != KF_FD_TYPE_TEXT)
2259 strncpy(pathname, files[i].kf_path, maxlen);
2268 procstat_getpathname(struct procstat *procstat, struct kinfo_proc *kp,
2269 char *pathname, size_t maxlen)
2271 switch(procstat->type) {
2273 /* XXX: Return empty string. */
2277 case PROCSTAT_SYSCTL:
2278 return (procstat_getpathname_sysctl(kp->ki_pid, pathname,
2281 return (procstat_getpathname_core(procstat->core, pathname,
2284 warnx("unknown access method: %d", procstat->type);
2290 procstat_getosrel_kvm(kvm_t *kd, struct kinfo_proc *kp, int *osrelp)
2296 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
2298 warnx("can't read proc struct at %p for pid %d",
2299 kp->ki_paddr, kp->ki_pid);
2302 *osrelp = proc.p_osrel;
2307 procstat_getosrel_sysctl(pid_t pid, int *osrelp)
2313 name[1] = KERN_PROC;
2314 name[2] = KERN_PROC_OSREL;
2316 len = sizeof(*osrelp);
2317 error = sysctl(name, nitems(name), osrelp, &len, NULL, 0);
2318 if (error != 0 && errno != ESRCH)
2319 warn("sysctl: kern.proc.osrel: %d", pid);
2324 procstat_getosrel_core(struct procstat_core *core, int *osrelp)
2329 buf = procstat_core_get(core, PSC_TYPE_OSREL, NULL, &len);
2332 if (len < sizeof(*osrelp)) {
2342 procstat_getosrel(struct procstat *procstat, struct kinfo_proc *kp, int *osrelp)
2344 switch(procstat->type) {
2346 return (procstat_getosrel_kvm(procstat->kd, kp, osrelp));
2347 case PROCSTAT_SYSCTL:
2348 return (procstat_getosrel_sysctl(kp->ki_pid, osrelp));
2350 return (procstat_getosrel_core(procstat->core, osrelp));
2352 warnx("unknown access method: %d", procstat->type);
2357 #define PROC_AUXV_MAX 256
2359 #if __ELF_WORD_SIZE == 64
2360 static const char *elf32_sv_names[] = {
2366 is_elf32_sysctl(pid_t pid)
2370 static char sv_name[256];
2373 name[1] = KERN_PROC;
2374 name[2] = KERN_PROC_SV_NAME;
2376 len = sizeof(sv_name);
2377 error = sysctl(name, nitems(name), sv_name, &len, NULL, 0);
2378 if (error != 0 || len == 0)
2380 for (i = 0; i < sizeof(elf32_sv_names) / sizeof(*elf32_sv_names); i++) {
2381 if (strncmp(sv_name, elf32_sv_names[i], sizeof(sv_name)) == 0)
2387 static Elf_Auxinfo *
2388 procstat_getauxv32_sysctl(pid_t pid, unsigned int *cntp)
2391 Elf32_Auxinfo *auxv32;
2394 unsigned int i, count;
2398 name[1] = KERN_PROC;
2399 name[2] = KERN_PROC_AUXV;
2401 len = PROC_AUXV_MAX * sizeof(Elf32_Auxinfo);
2403 auxv32 = malloc(len);
2404 if (auxv32 == NULL) {
2405 warn("malloc(%zu)", len);
2408 if (sysctl(name, nitems(name), auxv32, &len, NULL, 0) == -1) {
2409 if (errno != ESRCH && errno != EPERM)
2410 warn("sysctl: kern.proc.auxv: %d: %d", pid, errno);
2413 count = len / sizeof(Elf_Auxinfo);
2414 auxv = malloc(count * sizeof(Elf_Auxinfo));
2416 warn("malloc(%zu)", count * sizeof(Elf_Auxinfo));
2419 for (i = 0; i < count; i++) {
2421 * XXX: We expect that values for a_type on a 32-bit platform
2422 * are directly mapped to values on 64-bit one, which is not
2425 auxv[i].a_type = auxv32[i].a_type;
2426 ptr = &auxv32[i].a_un;
2427 auxv[i].a_un.a_val = *((uint32_t *)ptr);
2434 #endif /* __ELF_WORD_SIZE == 64 */
2436 static Elf_Auxinfo *
2437 procstat_getauxv_sysctl(pid_t pid, unsigned int *cntp)
2443 #if __ELF_WORD_SIZE == 64
2444 if (is_elf32_sysctl(pid))
2445 return (procstat_getauxv32_sysctl(pid, cntp));
2448 name[1] = KERN_PROC;
2449 name[2] = KERN_PROC_AUXV;
2451 len = PROC_AUXV_MAX * sizeof(Elf_Auxinfo);
2454 warn("malloc(%zu)", len);
2457 if (sysctl(name, nitems(name), auxv, &len, NULL, 0) == -1) {
2458 if (errno != ESRCH && errno != EPERM)
2459 warn("sysctl: kern.proc.auxv: %d: %d", pid, errno);
2463 *cntp = len / sizeof(Elf_Auxinfo);
2467 static Elf_Auxinfo *
2468 procstat_getauxv_core(struct procstat_core *core, unsigned int *cntp)
2473 auxv = procstat_core_get(core, PSC_TYPE_AUXV, NULL, &len);
2476 *cntp = len / sizeof(Elf_Auxinfo);
2481 procstat_getauxv(struct procstat *procstat, struct kinfo_proc *kp,
2484 switch(procstat->type) {
2486 warnx("kvm method is not supported");
2488 case PROCSTAT_SYSCTL:
2489 return (procstat_getauxv_sysctl(kp->ki_pid, cntp));
2491 return (procstat_getauxv_core(procstat->core, cntp));
2493 warnx("unknown access method: %d", procstat->type);
2499 procstat_freeauxv(struct procstat *procstat __unused, Elf_Auxinfo *auxv)
2505 static struct ptrace_lwpinfo *
2506 procstat_getptlwpinfo_core(struct procstat_core *core, unsigned int *cntp)
2509 struct ptrace_lwpinfo *pl;
2513 cnt = procstat_core_note_count(core, PSC_TYPE_PTLWPINFO);
2517 len = cnt * sizeof(*pl);
2518 buf = calloc(1, len);
2519 pl = procstat_core_get(core, PSC_TYPE_PTLWPINFO, buf, &len);
2524 *cntp = len / sizeof(*pl);
2528 struct ptrace_lwpinfo *
2529 procstat_getptlwpinfo(struct procstat *procstat, unsigned int *cntp)
2531 switch (procstat->type) {
2533 warnx("kvm method is not supported");
2535 case PROCSTAT_SYSCTL:
2536 warnx("sysctl method is not supported");
2539 return (procstat_getptlwpinfo_core(procstat->core, cntp));
2541 warnx("unknown access method: %d", procstat->type);
2547 procstat_freeptlwpinfo(struct procstat *procstat __unused,
2548 struct ptrace_lwpinfo *pl)
2553 static struct kinfo_kstack *
2554 procstat_getkstack_sysctl(pid_t pid, int *cntp)
2556 struct kinfo_kstack *kkstp;
2561 name[1] = KERN_PROC;
2562 name[2] = KERN_PROC_KSTACK;
2566 error = sysctl(name, nitems(name), NULL, &len, NULL, 0);
2567 if (error < 0 && errno != ESRCH && errno != EPERM && errno != ENOENT) {
2568 warn("sysctl: kern.proc.kstack: %d", pid);
2571 if (error == -1 && errno == ENOENT) {
2572 warnx("sysctl: kern.proc.kstack unavailable"
2573 " (options DDB or options STACK required in kernel)");
2578 kkstp = malloc(len);
2579 if (kkstp == NULL) {
2580 warn("malloc(%zu)", len);
2583 if (sysctl(name, nitems(name), kkstp, &len, NULL, 0) == -1) {
2584 warn("sysctl: kern.proc.pid: %d", pid);
2588 *cntp = len / sizeof(*kkstp);
2593 struct kinfo_kstack *
2594 procstat_getkstack(struct procstat *procstat, struct kinfo_proc *kp,
2597 switch(procstat->type) {
2599 warnx("kvm method is not supported");
2601 case PROCSTAT_SYSCTL:
2602 return (procstat_getkstack_sysctl(kp->ki_pid, cntp));
2604 warnx("core method is not supported");
2607 warnx("unknown access method: %d", procstat->type);
2613 procstat_freekstack(struct procstat *procstat __unused,
2614 struct kinfo_kstack *kkstp)