2 * Copyright (c) 2009 Stanislav Sedov <stas@FreeBSD.org>
3 * Copyright (c) 1988, 1993
4 * The Regents of the University of California. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by the University of
17 * California, Berkeley and its contributors.
18 * 4. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
38 #include <sys/param.h>
41 #include <sys/resourcevar.h>
43 #include <sys/ucred.h>
48 #include <sys/vnode.h>
49 #include <sys/socket.h>
50 #include <sys/socketvar.h>
51 #include <sys/domain.h>
52 #include <sys/protosw.h>
54 #include <sys/unpcb.h>
55 #include <sys/sysctl.h>
57 #include <sys/filedesc.h>
58 #include <sys/queue.h>
64 #include <sys/mount.h>
66 #include <ufs/ufs/quota.h>
67 #include <ufs/ufs/inode.h>
68 #include <fs/devfs/devfs.h>
69 #include <fs/devfs/devfs_int.h>
71 #include <nfs/nfsproto.h>
72 #include <nfsclient/nfs.h>
73 #include <nfsclient/nfsnode.h>
76 #include <vm/vm_map.h>
77 #include <vm/vm_object.h>
79 #include <net/route.h>
80 #include <netinet/in.h>
81 #include <netinet/in_systm.h>
82 #include <netinet/ip.h>
83 #include <netinet/in_pcb.h>
101 #include <libprocstat.h>
102 #include "libprocstat_internal.h"
103 #include "common_kvm.h"
106 int statfs(const char *, struct statfs *); /* XXX */
108 #define PROCSTAT_KVM 1
109 #define PROCSTAT_SYSCTL 2
110 #define PROCSTAT_CORE 3
112 static char **getargv(struct procstat *procstat, struct kinfo_proc *kp,
113 size_t nchr, int env);
114 static char *getmnton(kvm_t *kd, struct mount *m);
115 static struct kinfo_vmentry * kinfo_getvmmap_core(struct procstat_core *core,
117 static Elf_Auxinfo *procstat_getauxv_core(struct procstat_core *core,
119 static Elf_Auxinfo *procstat_getauxv_sysctl(pid_t pid, unsigned int *cntp);
120 static struct filestat_list *procstat_getfiles_kvm(
121 struct procstat *procstat, struct kinfo_proc *kp, int mmapped);
122 static struct filestat_list *procstat_getfiles_sysctl(
123 struct procstat *procstat, struct kinfo_proc *kp, int mmapped);
124 static int procstat_get_pipe_info_sysctl(struct filestat *fst,
125 struct pipestat *pipe, char *errbuf);
126 static int procstat_get_pipe_info_kvm(kvm_t *kd, struct filestat *fst,
127 struct pipestat *pipe, char *errbuf);
128 static int procstat_get_pts_info_sysctl(struct filestat *fst,
129 struct ptsstat *pts, char *errbuf);
130 static int procstat_get_pts_info_kvm(kvm_t *kd, struct filestat *fst,
131 struct ptsstat *pts, char *errbuf);
132 static int procstat_get_shm_info_sysctl(struct filestat *fst,
133 struct shmstat *shm, char *errbuf);
134 static int procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst,
135 struct shmstat *shm, char *errbuf);
136 static int procstat_get_socket_info_sysctl(struct filestat *fst,
137 struct sockstat *sock, char *errbuf);
138 static int procstat_get_socket_info_kvm(kvm_t *kd, struct filestat *fst,
139 struct sockstat *sock, char *errbuf);
140 static int to_filestat_flags(int flags);
141 static int procstat_get_vnode_info_kvm(kvm_t *kd, struct filestat *fst,
142 struct vnstat *vn, char *errbuf);
143 static int procstat_get_vnode_info_sysctl(struct filestat *fst,
144 struct vnstat *vn, char *errbuf);
145 static gid_t *procstat_getgroups_core(struct procstat_core *core,
146 unsigned int *count);
147 static gid_t * procstat_getgroups_kvm(kvm_t *kd, struct kinfo_proc *kp,
148 unsigned int *count);
149 static gid_t *procstat_getgroups_sysctl(pid_t pid, unsigned int *count);
150 static struct kinfo_kstack *procstat_getkstack_sysctl(pid_t pid,
152 static int procstat_getosrel_core(struct procstat_core *core,
154 static int procstat_getosrel_kvm(kvm_t *kd, struct kinfo_proc *kp,
156 static int procstat_getosrel_sysctl(pid_t pid, int *osrelp);
157 static int procstat_getpathname_core(struct procstat_core *core,
158 char *pathname, size_t maxlen);
159 static int procstat_getpathname_sysctl(pid_t pid, char *pathname,
161 static int procstat_getrlimit_core(struct procstat_core *core, int which,
162 struct rlimit* rlimit);
163 static int procstat_getrlimit_kvm(kvm_t *kd, struct kinfo_proc *kp,
164 int which, struct rlimit* rlimit);
165 static int procstat_getrlimit_sysctl(pid_t pid, int which,
166 struct rlimit* rlimit);
167 static int procstat_getumask_core(struct procstat_core *core,
168 unsigned short *maskp);
169 static int procstat_getumask_kvm(kvm_t *kd, struct kinfo_proc *kp,
170 unsigned short *maskp);
171 static int procstat_getumask_sysctl(pid_t pid, unsigned short *maskp);
172 static int vntype2psfsttype(int type);
175 procstat_close(struct procstat *procstat)
179 if (procstat->type == PROCSTAT_KVM)
180 kvm_close(procstat->kd);
181 else if (procstat->type == PROCSTAT_CORE)
182 procstat_core_close(procstat->core);
183 procstat_freeargv(procstat);
184 procstat_freeenvv(procstat);
189 procstat_open_sysctl(void)
191 struct procstat *procstat;
193 procstat = calloc(1, sizeof(*procstat));
194 if (procstat == NULL) {
198 procstat->type = PROCSTAT_SYSCTL;
203 procstat_open_kvm(const char *nlistf, const char *memf)
205 struct procstat *procstat;
207 char buf[_POSIX2_LINE_MAX];
209 procstat = calloc(1, sizeof(*procstat));
210 if (procstat == NULL) {
214 kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf);
216 warnx("kvm_openfiles(): %s", buf);
220 procstat->type = PROCSTAT_KVM;
226 procstat_open_core(const char *filename)
228 struct procstat *procstat;
229 struct procstat_core *core;
231 procstat = calloc(1, sizeof(*procstat));
232 if (procstat == NULL) {
236 core = procstat_core_open(filename);
241 procstat->type = PROCSTAT_CORE;
242 procstat->core = core;
247 procstat_getprocs(struct procstat *procstat, int what, int arg,
250 struct kinfo_proc *p0, *p;
259 if (procstat->type == PROCSTAT_KVM) {
261 p0 = kvm_getprocs(procstat->kd, what, arg, &cnt);
262 if (p0 == NULL || cnt <= 0)
265 len = *count * sizeof(*p);
268 warnx("malloc(%zu)", len);
273 } else if (procstat->type == PROCSTAT_SYSCTL) {
279 error = sysctl(name, 4, NULL, &len, NULL, 0);
280 if (error < 0 && errno != EPERM) {
281 warn("sysctl(kern.proc)");
285 warnx("no processes?");
290 p = reallocf(p, len);
292 warnx("reallocf(%zu)", len);
296 error = sysctl(name, 4, p, &len, NULL, 0);
297 } while (error < 0 && errno == ENOMEM && olen == len);
298 if (error < 0 && errno != EPERM) {
299 warn("sysctl(kern.proc)");
302 /* Perform simple consistency checks. */
303 if ((len % sizeof(*p)) != 0 || p->ki_structsize != sizeof(*p)) {
304 warnx("kinfo_proc structure size mismatch (len = %zu)", len);
307 *count = len / sizeof(*p);
309 } else if (procstat->type == PROCSTAT_CORE) {
310 p = procstat_core_get(procstat->core, PSC_TYPE_PROC, NULL,
312 if ((len % sizeof(*p)) != 0 || p->ki_structsize != sizeof(*p)) {
313 warnx("kinfo_proc structure size mismatch");
316 *count = len / sizeof(*p);
319 warnx("unknown access method: %d", procstat->type);
329 procstat_freeprocs(struct procstat *procstat __unused, struct kinfo_proc *p)
337 struct filestat_list *
338 procstat_getfiles(struct procstat *procstat, struct kinfo_proc *kp, int mmapped)
341 switch(procstat->type) {
343 return (procstat_getfiles_kvm(procstat, kp, mmapped));
344 case PROCSTAT_SYSCTL:
346 return (procstat_getfiles_sysctl(procstat, kp, mmapped));
348 warnx("unknown access method: %d", procstat->type);
354 procstat_freefiles(struct procstat *procstat, struct filestat_list *head)
356 struct filestat *fst, *tmp;
358 STAILQ_FOREACH_SAFE(fst, head, next, tmp) {
359 if (fst->fs_path != NULL)
364 if (procstat->vmentries != NULL) {
365 free(procstat->vmentries);
366 procstat->vmentries = NULL;
368 if (procstat->files != NULL) {
369 free(procstat->files);
370 procstat->files = NULL;
374 static struct filestat *
375 filestat_new_entry(void *typedep, int type, int fd, int fflags, int uflags,
376 int refcount, off_t offset, char *path, cap_rights_t cap_rights)
378 struct filestat *entry;
380 entry = calloc(1, sizeof(*entry));
385 entry->fs_typedep = typedep;
386 entry->fs_fflags = fflags;
387 entry->fs_uflags = uflags;
389 entry->fs_type = type;
390 entry->fs_ref_count = refcount;
391 entry->fs_offset = offset;
392 entry->fs_path = path;
393 entry->fs_cap_rights = cap_rights;
397 static struct vnode *
398 getctty(kvm_t *kd, struct kinfo_proc *kp)
406 error = kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
409 warnx("can't read proc struct at %p for pid %d",
410 kp->ki_paddr, kp->ki_pid);
413 if (proc.p_pgrp == NULL)
415 error = kvm_read_all(kd, (unsigned long)proc.p_pgrp, &pgrp,
418 warnx("can't read pgrp struct at %p for pid %d",
419 proc.p_pgrp, kp->ki_pid);
422 error = kvm_read_all(kd, (unsigned long)pgrp.pg_session, &sess,
425 warnx("can't read session struct at %p for pid %d",
426 pgrp.pg_session, kp->ki_pid);
429 return (sess.s_ttyvp);
432 static struct filestat_list *
433 procstat_getfiles_kvm(struct procstat *procstat, struct kinfo_proc *kp, int mmapped)
436 struct filedesc filed;
437 struct vm_map_entry vmentry;
438 struct vm_object object;
439 struct vmspace vmspace;
440 vm_map_entry_t entryp;
444 struct file **ofiles;
445 struct filestat *entry;
446 struct filestat_list *head;
457 if (kp->ki_fd == NULL)
459 if (!kvm_read_all(kd, (unsigned long)kp->ki_fd, &filed,
461 warnx("can't read filedesc at %p", (void *)kp->ki_fd);
466 * Allocate list head.
468 head = malloc(sizeof(*head));
473 /* root directory vnode, if one. */
475 entry = filestat_new_entry(filed.fd_rdir, PS_FST_TYPE_VNODE, -1,
476 PS_FST_FFLAG_READ, PS_FST_UFLAG_RDIR, 0, 0, NULL, 0);
478 STAILQ_INSERT_TAIL(head, entry, next);
480 /* current working directory vnode. */
482 entry = filestat_new_entry(filed.fd_cdir, PS_FST_TYPE_VNODE, -1,
483 PS_FST_FFLAG_READ, PS_FST_UFLAG_CDIR, 0, 0, NULL, 0);
485 STAILQ_INSERT_TAIL(head, entry, next);
487 /* jail root, if any. */
489 entry = filestat_new_entry(filed.fd_jdir, PS_FST_TYPE_VNODE, -1,
490 PS_FST_FFLAG_READ, PS_FST_UFLAG_JAIL, 0, 0, NULL, 0);
492 STAILQ_INSERT_TAIL(head, entry, next);
494 /* ktrace vnode, if one */
496 entry = filestat_new_entry(kp->ki_tracep, PS_FST_TYPE_VNODE, -1,
497 PS_FST_FFLAG_READ | PS_FST_FFLAG_WRITE,
498 PS_FST_UFLAG_TRACE, 0, 0, NULL, 0);
500 STAILQ_INSERT_TAIL(head, entry, next);
502 /* text vnode, if one */
504 entry = filestat_new_entry(kp->ki_textvp, PS_FST_TYPE_VNODE, -1,
505 PS_FST_FFLAG_READ, PS_FST_UFLAG_TEXT, 0, 0, NULL, 0);
507 STAILQ_INSERT_TAIL(head, entry, next);
509 /* Controlling terminal. */
510 if ((vp = getctty(kd, kp)) != NULL) {
511 entry = filestat_new_entry(vp, PS_FST_TYPE_VNODE, -1,
512 PS_FST_FFLAG_READ | PS_FST_FFLAG_WRITE,
513 PS_FST_UFLAG_CTTY, 0, 0, NULL, 0);
515 STAILQ_INSERT_TAIL(head, entry, next);
518 nfiles = filed.fd_lastfile + 1;
519 ofiles = malloc(nfiles * sizeof(struct file *));
520 if (ofiles == NULL) {
521 warn("malloc(%zu)", nfiles * sizeof(struct file *));
524 if (!kvm_read_all(kd, (unsigned long)filed.fd_ofiles, ofiles,
525 nfiles * sizeof(struct file *))) {
526 warnx("cannot read file structures at %p",
527 (void *)filed.fd_ofiles);
531 for (i = 0; i <= filed.fd_lastfile; i++) {
532 if (ofiles[i] == NULL)
534 if (!kvm_read_all(kd, (unsigned long)ofiles[i], &file,
535 sizeof(struct file))) {
536 warnx("can't read file %d at %p", i,
540 switch (file.f_type) {
542 type = PS_FST_TYPE_VNODE;
546 type = PS_FST_TYPE_SOCKET;
550 type = PS_FST_TYPE_PIPE;
554 type = PS_FST_TYPE_FIFO;
559 type = PS_FST_TYPE_PTS;
564 type = PS_FST_TYPE_SHM;
570 /* XXXRW: No capability rights support for kvm yet. */
571 entry = filestat_new_entry(data, type, i,
572 to_filestat_flags(file.f_flag), 0, 0, 0, NULL, 0);
574 STAILQ_INSERT_TAIL(head, entry, next);
581 * Process mmapped files if requested.
584 if (!kvm_read_all(kd, (unsigned long)kp->ki_vmspace, &vmspace,
586 warnx("can't read vmspace at %p",
587 (void *)kp->ki_vmspace);
590 map = &vmspace.vm_map;
592 for (entryp = map->header.next;
593 entryp != &kp->ki_vmspace->vm_map.header;
594 entryp = vmentry.next) {
595 if (!kvm_read_all(kd, (unsigned long)entryp, &vmentry,
597 warnx("can't read vm_map_entry at %p",
601 if (vmentry.eflags & MAP_ENTRY_IS_SUB_MAP)
603 if ((objp = vmentry.object.vm_object) == NULL)
605 for (; objp; objp = object.backing_object) {
606 if (!kvm_read_all(kd, (unsigned long)objp,
607 &object, sizeof(object))) {
608 warnx("can't read vm_object at %p",
614 /* We want only vnode objects. */
615 if (object.type != OBJT_VNODE)
618 prot = vmentry.protection;
620 if (prot & VM_PROT_READ)
621 fflags = PS_FST_FFLAG_READ;
622 if ((vmentry.eflags & MAP_ENTRY_COW) == 0 &&
623 prot & VM_PROT_WRITE)
624 fflags |= PS_FST_FFLAG_WRITE;
627 * Create filestat entry.
629 entry = filestat_new_entry(object.handle,
630 PS_FST_TYPE_VNODE, -1, fflags,
631 PS_FST_UFLAG_MMAP, 0, 0, NULL, 0);
633 STAILQ_INSERT_TAIL(head, entry, next);
641 * kinfo types to filestat translation.
644 kinfo_type2fst(int kftype)
650 { KF_TYPE_CRYPTO, PS_FST_TYPE_CRYPTO },
651 { KF_TYPE_FIFO, PS_FST_TYPE_FIFO },
652 { KF_TYPE_KQUEUE, PS_FST_TYPE_KQUEUE },
653 { KF_TYPE_MQUEUE, PS_FST_TYPE_MQUEUE },
654 { KF_TYPE_NONE, PS_FST_TYPE_NONE },
655 { KF_TYPE_PIPE, PS_FST_TYPE_PIPE },
656 { KF_TYPE_PTS, PS_FST_TYPE_PTS },
657 { KF_TYPE_SEM, PS_FST_TYPE_SEM },
658 { KF_TYPE_SHM, PS_FST_TYPE_SHM },
659 { KF_TYPE_SOCKET, PS_FST_TYPE_SOCKET },
660 { KF_TYPE_VNODE, PS_FST_TYPE_VNODE },
661 { KF_TYPE_UNKNOWN, PS_FST_TYPE_UNKNOWN }
663 #define NKFTYPES (sizeof(kftypes2fst) / sizeof(*kftypes2fst))
666 for (i = 0; i < NKFTYPES; i++)
667 if (kftypes2fst[i].kf_type == kftype)
670 return (PS_FST_TYPE_UNKNOWN);
671 return (kftypes2fst[i].fst_type);
675 * kinfo flags to filestat translation.
678 kinfo_fflags2fst(int kfflags)
684 { KF_FLAG_APPEND, PS_FST_FFLAG_APPEND },
685 { KF_FLAG_ASYNC, PS_FST_FFLAG_ASYNC },
686 { KF_FLAG_CAPABILITY, PS_FST_FFLAG_CAPABILITY },
687 { KF_FLAG_CREAT, PS_FST_FFLAG_CREAT },
688 { KF_FLAG_DIRECT, PS_FST_FFLAG_DIRECT },
689 { KF_FLAG_EXCL, PS_FST_FFLAG_EXCL },
690 { KF_FLAG_EXEC, PS_FST_FFLAG_EXEC },
691 { KF_FLAG_EXLOCK, PS_FST_FFLAG_EXLOCK },
692 { KF_FLAG_FSYNC, PS_FST_FFLAG_SYNC },
693 { KF_FLAG_HASLOCK, PS_FST_FFLAG_HASLOCK },
694 { KF_FLAG_NOFOLLOW, PS_FST_FFLAG_NOFOLLOW },
695 { KF_FLAG_NONBLOCK, PS_FST_FFLAG_NONBLOCK },
696 { KF_FLAG_READ, PS_FST_FFLAG_READ },
697 { KF_FLAG_SHLOCK, PS_FST_FFLAG_SHLOCK },
698 { KF_FLAG_TRUNC, PS_FST_FFLAG_TRUNC },
699 { KF_FLAG_WRITE, PS_FST_FFLAG_WRITE }
701 #define NKFFLAGS (sizeof(kfflags2fst) / sizeof(*kfflags2fst))
706 for (i = 0; i < NKFFLAGS; i++)
707 if ((kfflags & kfflags2fst[i].kf_flag) != 0)
708 flags |= kfflags2fst[i].fst_flag;
713 kinfo_uflags2fst(int fd)
717 case KF_FD_TYPE_CTTY:
718 return (PS_FST_UFLAG_CTTY);
720 return (PS_FST_UFLAG_CDIR);
721 case KF_FD_TYPE_JAIL:
722 return (PS_FST_UFLAG_JAIL);
723 case KF_FD_TYPE_TEXT:
724 return (PS_FST_UFLAG_TEXT);
725 case KF_FD_TYPE_TRACE:
726 return (PS_FST_UFLAG_TRACE);
727 case KF_FD_TYPE_ROOT:
728 return (PS_FST_UFLAG_RDIR);
733 static struct kinfo_file *
734 kinfo_getfile_core(struct procstat_core *core, int *cntp)
739 struct kinfo_file *kif, *kp, *kf;
741 buf = procstat_core_get(core, PSC_TYPE_FILES, NULL, &len);
745 * XXXMG: The code below is just copy&past from libutil.
746 * The code duplication can be avoided if libutil
747 * is extended to provide something like:
748 * struct kinfo_file *kinfo_getfile_from_buf(const char *buf,
749 * size_t len, int *cntp);
752 /* Pass 1: count items */
757 kf = (struct kinfo_file *)(uintptr_t)bp;
758 bp += kf->kf_structsize;
762 kif = calloc(cnt, sizeof(*kif));
772 kf = (struct kinfo_file *)(uintptr_t)bp;
773 /* Copy/expand into pre-zeroed buffer */
774 memcpy(kp, kf, kf->kf_structsize);
775 /* Advance to next packed record */
776 bp += kf->kf_structsize;
777 /* Set field size to fixed length, advance */
778 kp->kf_structsize = sizeof(*kp);
783 return (kif); /* Caller must free() return value */
786 static struct filestat_list *
787 procstat_getfiles_sysctl(struct procstat *procstat, struct kinfo_proc *kp,
790 struct kinfo_file *kif, *files;
791 struct kinfo_vmentry *kve, *vmentries;
792 struct filestat_list *head;
793 struct filestat *entry;
799 cap_rights_t cap_rights;
802 if (kp->ki_fd == NULL)
804 switch(procstat->type) {
805 case PROCSTAT_SYSCTL:
806 files = kinfo_getfile(kp->ki_pid, &cnt);
809 files = kinfo_getfile_core(procstat->core, &cnt);
812 assert(!"invalid type");
814 if (files == NULL && errno != EPERM) {
815 warn("kinfo_getfile()");
818 procstat->files = files;
821 * Allocate list head.
823 head = malloc(sizeof(*head));
827 for (i = 0; i < cnt; i++) {
830 type = kinfo_type2fst(kif->kf_type);
831 fd = kif->kf_fd >= 0 ? kif->kf_fd : -1;
832 fflags = kinfo_fflags2fst(kif->kf_flags);
833 uflags = kinfo_uflags2fst(kif->kf_fd);
834 refcount = kif->kf_ref_count;
835 offset = kif->kf_offset;
836 if (*kif->kf_path != '\0')
837 path = strdup(kif->kf_path);
840 cap_rights = kif->kf_cap_rights;
843 * Create filestat entry.
845 entry = filestat_new_entry(kif, type, fd, fflags, uflags,
846 refcount, offset, path, cap_rights);
848 STAILQ_INSERT_TAIL(head, entry, next);
851 vmentries = procstat_getvmmap(procstat, kp, &cnt);
852 procstat->vmentries = vmentries;
853 if (vmentries == NULL || cnt == 0)
855 for (i = 0; i < cnt; i++) {
857 if (kve->kve_type != KVME_TYPE_VNODE)
860 if (kve->kve_protection & KVME_PROT_READ)
861 fflags = PS_FST_FFLAG_READ;
862 if ((kve->kve_flags & KVME_FLAG_COW) == 0 &&
863 kve->kve_protection & KVME_PROT_WRITE)
864 fflags |= PS_FST_FFLAG_WRITE;
865 offset = kve->kve_offset;
866 refcount = kve->kve_ref_count;
867 if (*kve->kve_path != '\0')
868 path = strdup(kve->kve_path);
871 entry = filestat_new_entry(kve, PS_FST_TYPE_VNODE, -1,
872 fflags, PS_FST_UFLAG_MMAP, refcount, offset, path,
875 STAILQ_INSERT_TAIL(head, entry, next);
883 procstat_get_pipe_info(struct procstat *procstat, struct filestat *fst,
884 struct pipestat *ps, char *errbuf)
888 if (procstat->type == PROCSTAT_KVM) {
889 return (procstat_get_pipe_info_kvm(procstat->kd, fst, ps,
891 } else if (procstat->type == PROCSTAT_SYSCTL ||
892 procstat->type == PROCSTAT_CORE) {
893 return (procstat_get_pipe_info_sysctl(fst, ps, errbuf));
895 warnx("unknown access method: %d", procstat->type);
896 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
902 procstat_get_pipe_info_kvm(kvm_t *kd, struct filestat *fst,
903 struct pipestat *ps, char *errbuf)
911 bzero(ps, sizeof(*ps));
912 pipep = fst->fs_typedep;
915 if (!kvm_read_all(kd, (unsigned long)pipep, &pi, sizeof(struct pipe))) {
916 warnx("can't read pipe at %p", (void *)pipep);
919 ps->addr = (uintptr_t)pipep;
920 ps->peer = (uintptr_t)pi.pipe_peer;
921 ps->buffer_cnt = pi.pipe_buffer.cnt;
925 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
930 procstat_get_pipe_info_sysctl(struct filestat *fst, struct pipestat *ps,
931 char *errbuf __unused)
933 struct kinfo_file *kif;
937 bzero(ps, sizeof(*ps));
938 kif = fst->fs_typedep;
941 ps->addr = kif->kf_un.kf_pipe.kf_pipe_addr;
942 ps->peer = kif->kf_un.kf_pipe.kf_pipe_peer;
943 ps->buffer_cnt = kif->kf_un.kf_pipe.kf_pipe_buffer_cnt;
948 procstat_get_pts_info(struct procstat *procstat, struct filestat *fst,
949 struct ptsstat *pts, char *errbuf)
953 if (procstat->type == PROCSTAT_KVM) {
954 return (procstat_get_pts_info_kvm(procstat->kd, fst, pts,
956 } else if (procstat->type == PROCSTAT_SYSCTL ||
957 procstat->type == PROCSTAT_CORE) {
958 return (procstat_get_pts_info_sysctl(fst, pts, errbuf));
960 warnx("unknown access method: %d", procstat->type);
961 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
967 procstat_get_pts_info_kvm(kvm_t *kd, struct filestat *fst,
968 struct ptsstat *pts, char *errbuf)
976 bzero(pts, sizeof(*pts));
977 ttyp = fst->fs_typedep;
980 if (!kvm_read_all(kd, (unsigned long)ttyp, &tty, sizeof(struct tty))) {
981 warnx("can't read tty at %p", (void *)ttyp);
984 pts->dev = dev2udev(kd, tty.t_dev);
985 (void)kdevtoname(kd, tty.t_dev, pts->devname);
989 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
994 procstat_get_pts_info_sysctl(struct filestat *fst, struct ptsstat *pts,
995 char *errbuf __unused)
997 struct kinfo_file *kif;
1001 bzero(pts, sizeof(*pts));
1002 kif = fst->fs_typedep;
1005 pts->dev = kif->kf_un.kf_pts.kf_pts_dev;
1006 strlcpy(pts->devname, kif->kf_path, sizeof(pts->devname));
1011 procstat_get_shm_info(struct procstat *procstat, struct filestat *fst,
1012 struct shmstat *shm, char *errbuf)
1016 if (procstat->type == PROCSTAT_KVM) {
1017 return (procstat_get_shm_info_kvm(procstat->kd, fst, shm,
1019 } else if (procstat->type == PROCSTAT_SYSCTL ||
1020 procstat->type == PROCSTAT_CORE) {
1021 return (procstat_get_shm_info_sysctl(fst, shm, errbuf));
1023 warnx("unknown access method: %d", procstat->type);
1024 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1030 procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst,
1031 struct shmstat *shm, char *errbuf)
1041 bzero(shm, sizeof(*shm));
1042 shmfdp = fst->fs_typedep;
1045 if (!kvm_read_all(kd, (unsigned long)shmfdp, &shmfd,
1046 sizeof(struct shmfd))) {
1047 warnx("can't read shmfd at %p", (void *)shmfdp);
1050 shm->mode = S_IFREG | shmfd.shm_mode;
1051 shm->size = shmfd.shm_size;
1052 if (fst->fs_path == NULL && shmfd.shm_path != NULL) {
1053 path = malloc(MAXPATHLEN);
1054 for (i = 0; i < MAXPATHLEN - 1; i++) {
1055 if (!kvm_read_all(kd, (unsigned long)shmfd.shm_path + i,
1058 if (path[i] == '\0')
1065 fst->fs_path = path;
1070 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1075 procstat_get_shm_info_sysctl(struct filestat *fst, struct shmstat *shm,
1076 char *errbuf __unused)
1078 struct kinfo_file *kif;
1082 bzero(shm, sizeof(*shm));
1083 kif = fst->fs_typedep;
1086 shm->size = kif->kf_un.kf_file.kf_file_size;
1087 shm->mode = kif->kf_un.kf_file.kf_file_mode;
1092 procstat_get_vnode_info(struct procstat *procstat, struct filestat *fst,
1093 struct vnstat *vn, char *errbuf)
1097 if (procstat->type == PROCSTAT_KVM) {
1098 return (procstat_get_vnode_info_kvm(procstat->kd, fst, vn,
1100 } else if (procstat->type == PROCSTAT_SYSCTL ||
1101 procstat->type == PROCSTAT_CORE) {
1102 return (procstat_get_vnode_info_sysctl(fst, vn, errbuf));
1104 warnx("unknown access method: %d", procstat->type);
1105 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1111 procstat_get_vnode_info_kvm(kvm_t *kd, struct filestat *fst,
1112 struct vnstat *vn, char *errbuf)
1114 /* Filesystem specific handlers. */
1115 #define FSTYPE(fst) {#fst, fst##_filestat}
1118 int (*handler)(kvm_t *kd, struct vnode *vp,
1126 #ifdef LIBPROCSTAT_NWFS
1132 #ifdef LIBPROCSTAT_ZFS
1136 #define NTYPES (sizeof(fstypes) / sizeof(*fstypes))
1146 vp = fst->fs_typedep;
1149 error = kvm_read_all(kd, (unsigned long)vp, &vnode, sizeof(vnode));
1151 warnx("can't read vnode at %p", (void *)vp);
1154 bzero(vn, sizeof(*vn));
1155 vn->vn_type = vntype2psfsttype(vnode.v_type);
1156 if (vnode.v_type == VNON || vnode.v_type == VBAD)
1158 error = kvm_read_all(kd, (unsigned long)vnode.v_tag, tagstr,
1161 warnx("can't read v_tag at %p", (void *)vp);
1164 tagstr[sizeof(tagstr) - 1] = '\0';
1167 * Find appropriate handler.
1169 for (i = 0, found = 0; i < NTYPES; i++)
1170 if (!strcmp(fstypes[i].tag, tagstr)) {
1171 if (fstypes[i].handler(kd, &vnode, vn) != 0) {
1177 snprintf(errbuf, _POSIX2_LINE_MAX, "?(%s)", tagstr);
1180 vn->vn_mntdir = getmnton(kd, vnode.v_mount);
1181 if ((vnode.v_type == VBLK || vnode.v_type == VCHR) &&
1182 vnode.v_rdev != NULL){
1183 vn->vn_dev = dev2udev(kd, vnode.v_rdev);
1184 (void)kdevtoname(kd, vnode.v_rdev, vn->vn_devname);
1191 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1196 * kinfo vnode type to filestat translation.
1199 kinfo_vtype2fst(int kfvtype)
1204 } kfvtypes2fst[] = {
1205 { KF_VTYPE_VBAD, PS_FST_VTYPE_VBAD },
1206 { KF_VTYPE_VBLK, PS_FST_VTYPE_VBLK },
1207 { KF_VTYPE_VCHR, PS_FST_VTYPE_VCHR },
1208 { KF_VTYPE_VDIR, PS_FST_VTYPE_VDIR },
1209 { KF_VTYPE_VFIFO, PS_FST_VTYPE_VFIFO },
1210 { KF_VTYPE_VLNK, PS_FST_VTYPE_VLNK },
1211 { KF_VTYPE_VNON, PS_FST_VTYPE_VNON },
1212 { KF_VTYPE_VREG, PS_FST_VTYPE_VREG },
1213 { KF_VTYPE_VSOCK, PS_FST_VTYPE_VSOCK }
1215 #define NKFVTYPES (sizeof(kfvtypes2fst) / sizeof(*kfvtypes2fst))
1218 for (i = 0; i < NKFVTYPES; i++)
1219 if (kfvtypes2fst[i].kf_vtype == kfvtype)
1222 return (PS_FST_VTYPE_UNKNOWN);
1223 return (kfvtypes2fst[i].fst_vtype);
1227 procstat_get_vnode_info_sysctl(struct filestat *fst, struct vnstat *vn,
1230 struct statfs stbuf;
1231 struct kinfo_file *kif;
1232 struct kinfo_vmentry *kve;
1244 bzero(vn, sizeof(*vn));
1245 if (fst->fs_typedep == NULL)
1247 if (fst->fs_uflags & PS_FST_UFLAG_MMAP) {
1248 kve = fst->fs_typedep;
1249 fileid = kve->kve_vn_fileid;
1250 fsid = kve->kve_vn_fsid;
1251 mode = kve->kve_vn_mode;
1252 path = kve->kve_path;
1253 rdev = kve->kve_vn_rdev;
1254 size = kve->kve_vn_size;
1255 vntype = kinfo_vtype2fst(kve->kve_vn_type);
1256 status = kve->kve_status;
1258 kif = fst->fs_typedep;
1259 fileid = kif->kf_un.kf_file.kf_file_fileid;
1260 fsid = kif->kf_un.kf_file.kf_file_fsid;
1261 mode = kif->kf_un.kf_file.kf_file_mode;
1262 path = kif->kf_path;
1263 rdev = kif->kf_un.kf_file.kf_file_rdev;
1264 size = kif->kf_un.kf_file.kf_file_size;
1265 vntype = kinfo_vtype2fst(kif->kf_vnode_type);
1266 status = kif->kf_status;
1268 vn->vn_type = vntype;
1269 if (vntype == PS_FST_VTYPE_VNON || vntype == PS_FST_VTYPE_VBAD)
1271 if ((status & KF_ATTR_VALID) == 0) {
1272 snprintf(errbuf, _POSIX2_LINE_MAX, "? (no info available)");
1275 if (path && *path) {
1276 statfs(path, &stbuf);
1277 vn->vn_mntdir = strdup(stbuf.f_mntonname);
1279 vn->vn_mntdir = strdup("-");
1281 if (vntype == PS_FST_VTYPE_VBLK) {
1282 name = devname(rdev, S_IFBLK);
1284 strlcpy(vn->vn_devname, name,
1285 sizeof(vn->vn_devname));
1286 } else if (vntype == PS_FST_VTYPE_VCHR) {
1287 name = devname(vn->vn_dev, S_IFCHR);
1289 strlcpy(vn->vn_devname, name,
1290 sizeof(vn->vn_devname));
1293 vn->vn_fileid = fileid;
1300 procstat_get_socket_info(struct procstat *procstat, struct filestat *fst,
1301 struct sockstat *sock, char *errbuf)
1305 if (procstat->type == PROCSTAT_KVM) {
1306 return (procstat_get_socket_info_kvm(procstat->kd, fst, sock,
1308 } else if (procstat->type == PROCSTAT_SYSCTL ||
1309 procstat->type == PROCSTAT_CORE) {
1310 return (procstat_get_socket_info_sysctl(fst, sock, errbuf));
1312 warnx("unknown access method: %d", procstat->type);
1313 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1319 procstat_get_socket_info_kvm(kvm_t *kd, struct filestat *fst,
1320 struct sockstat *sock, char *errbuf)
1324 struct protosw proto;
1333 bzero(sock, sizeof(*sock));
1334 so = fst->fs_typedep;
1337 sock->so_addr = (uintptr_t)so;
1338 /* fill in socket */
1339 if (!kvm_read_all(kd, (unsigned long)so, &s,
1340 sizeof(struct socket))) {
1341 warnx("can't read sock at %p", (void *)so);
1344 /* fill in protosw entry */
1345 if (!kvm_read_all(kd, (unsigned long)s.so_proto, &proto,
1346 sizeof(struct protosw))) {
1347 warnx("can't read protosw at %p", (void *)s.so_proto);
1350 /* fill in domain */
1351 if (!kvm_read_all(kd, (unsigned long)proto.pr_domain, &dom,
1352 sizeof(struct domain))) {
1353 warnx("can't read domain at %p",
1354 (void *)proto.pr_domain);
1357 if ((len = kvm_read(kd, (unsigned long)dom.dom_name, sock->dname,
1358 sizeof(sock->dname) - 1)) < 0) {
1359 warnx("can't read domain name at %p", (void *)dom.dom_name);
1360 sock->dname[0] = '\0';
1363 sock->dname[len] = '\0';
1366 * Fill in known data.
1368 sock->type = s.so_type;
1369 sock->proto = proto.pr_protocol;
1370 sock->dom_family = dom.dom_family;
1371 sock->so_pcb = (uintptr_t)s.so_pcb;
1374 * Protocol specific data.
1376 switch(dom.dom_family) {
1379 if (proto.pr_protocol == IPPROTO_TCP) {
1381 if (kvm_read(kd, (u_long)s.so_pcb,
1382 (char *)&inpcb, sizeof(struct inpcb))
1383 != sizeof(struct inpcb)) {
1384 warnx("can't read inpcb at %p",
1388 (uintptr_t)inpcb.inp_ppcb;
1394 if (kvm_read(kd, (u_long)s.so_pcb, (char *)&unpcb,
1395 sizeof(struct unpcb)) != sizeof(struct unpcb)){
1396 warnx("can't read unpcb at %p",
1398 } else if (unpcb.unp_conn) {
1399 sock->so_rcv_sb_state = s.so_rcv.sb_state;
1400 sock->so_snd_sb_state = s.so_snd.sb_state;
1401 sock->unp_conn = (uintptr_t)unpcb.unp_conn;
1411 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1416 procstat_get_socket_info_sysctl(struct filestat *fst, struct sockstat *sock,
1417 char *errbuf __unused)
1419 struct kinfo_file *kif;
1423 bzero(sock, sizeof(*sock));
1424 kif = fst->fs_typedep;
1429 * Fill in known data.
1431 sock->type = kif->kf_sock_type;
1432 sock->proto = kif->kf_sock_protocol;
1433 sock->dom_family = kif->kf_sock_domain;
1434 sock->so_pcb = kif->kf_un.kf_sock.kf_sock_pcb;
1435 strlcpy(sock->dname, kif->kf_path, sizeof(sock->dname));
1436 bcopy(&kif->kf_sa_local, &sock->sa_local, kif->kf_sa_local.ss_len);
1437 bcopy(&kif->kf_sa_peer, &sock->sa_peer, kif->kf_sa_peer.ss_len);
1440 * Protocol specific data.
1442 switch(sock->dom_family) {
1445 if (sock->proto == IPPROTO_TCP)
1446 sock->inp_ppcb = kif->kf_un.kf_sock.kf_sock_inpcb;
1449 if (kif->kf_un.kf_sock.kf_sock_unpconn != 0) {
1450 sock->so_rcv_sb_state =
1451 kif->kf_un.kf_sock.kf_sock_rcv_sb_state;
1452 sock->so_snd_sb_state =
1453 kif->kf_un.kf_sock.kf_sock_snd_sb_state;
1455 kif->kf_un.kf_sock.kf_sock_unpconn;
1465 * Descriptor flags to filestat translation.
1468 to_filestat_flags(int flags)
1474 { FREAD, PS_FST_FFLAG_READ },
1475 { FWRITE, PS_FST_FFLAG_WRITE },
1476 { O_APPEND, PS_FST_FFLAG_APPEND },
1477 { O_ASYNC, PS_FST_FFLAG_ASYNC },
1478 { O_CREAT, PS_FST_FFLAG_CREAT },
1479 { O_DIRECT, PS_FST_FFLAG_DIRECT },
1480 { O_EXCL, PS_FST_FFLAG_EXCL },
1481 { O_EXEC, PS_FST_FFLAG_EXEC },
1482 { O_EXLOCK, PS_FST_FFLAG_EXLOCK },
1483 { O_NOFOLLOW, PS_FST_FFLAG_NOFOLLOW },
1484 { O_NONBLOCK, PS_FST_FFLAG_NONBLOCK },
1485 { O_SHLOCK, PS_FST_FFLAG_SHLOCK },
1486 { O_SYNC, PS_FST_FFLAG_SYNC },
1487 { O_TRUNC, PS_FST_FFLAG_TRUNC }
1489 #define NFSTFLAGS (sizeof(fstflags) / sizeof(*fstflags))
1494 for (i = 0; i < NFSTFLAGS; i++)
1495 if (flags & fstflags[i].flag)
1496 fst_flags |= fstflags[i].fst_flag;
1501 * Vnode type to filestate translation.
1504 vntype2psfsttype(int type)
1510 { VBAD, PS_FST_VTYPE_VBAD },
1511 { VBLK, PS_FST_VTYPE_VBLK },
1512 { VCHR, PS_FST_VTYPE_VCHR },
1513 { VDIR, PS_FST_VTYPE_VDIR },
1514 { VFIFO, PS_FST_VTYPE_VFIFO },
1515 { VLNK, PS_FST_VTYPE_VLNK },
1516 { VNON, PS_FST_VTYPE_VNON },
1517 { VREG, PS_FST_VTYPE_VREG },
1518 { VSOCK, PS_FST_VTYPE_VSOCK }
1520 #define NVFTYPES (sizeof(vt2fst) / sizeof(*vt2fst))
1521 unsigned int i, fst_type;
1523 fst_type = PS_FST_VTYPE_UNKNOWN;
1524 for (i = 0; i < NVFTYPES; i++) {
1525 if (type == vt2fst[i].vtype) {
1526 fst_type = vt2fst[i].fst_vtype;
1534 getmnton(kvm_t *kd, struct mount *m)
1537 static struct mtab {
1540 char mntonname[MNAMELEN + 1];
1544 for (mt = mhead; mt != NULL; mt = mt->next)
1546 return (mt->mntonname);
1547 if (!kvm_read_all(kd, (unsigned long)m, &mnt, sizeof(struct mount))) {
1548 warnx("can't read mount table at %p", (void *)m);
1551 if ((mt = malloc(sizeof (struct mtab))) == NULL)
1554 bcopy(&mnt.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN);
1555 mt->mntonname[MNAMELEN] = '\0';
1558 return (mt->mntonname);
1562 * Auxiliary structures and functions to get process environment or
1563 * command line arguments.
1572 static struct argvec *
1573 argvec_alloc(size_t bufsize)
1577 av = malloc(sizeof(*av));
1580 av->bufsize = bufsize;
1581 av->buf = malloc(av->bufsize);
1582 if (av->buf == NULL) {
1587 av->argv = malloc(sizeof(char *) * av->argc);
1588 if (av->argv == NULL) {
1597 argvec_free(struct argvec * av)
1606 getargv(struct procstat *procstat, struct kinfo_proc *kp, size_t nchr, int env)
1608 int error, name[4], argc, i;
1609 struct argvec *av, **avp;
1616 if (procstat->type == PROCSTAT_KVM) {
1617 warnx("can't use kvm access method");
1620 if (procstat->type != PROCSTAT_SYSCTL &&
1621 procstat->type != PROCSTAT_CORE) {
1622 warnx("unknown access method: %d", procstat->type);
1626 if (nchr == 0 || nchr > ARG_MAX)
1629 avp = (struct argvec **)(env ? &procstat->argv : &procstat->envv);
1634 av = argvec_alloc(nchr);
1637 warn("malloc(%zu)", nchr);
1641 } else if (av->bufsize < nchr) {
1642 av->buf = reallocf(av->buf, nchr);
1643 if (av->buf == NULL) {
1644 warn("malloc(%zu)", nchr);
1648 if (procstat->type == PROCSTAT_SYSCTL) {
1650 name[1] = KERN_PROC;
1651 name[2] = env ? KERN_PROC_ENV : KERN_PROC_ARGS;
1652 name[3] = kp->ki_pid;
1654 error = sysctl(name, 4, av->buf, &len, NULL, 0);
1655 if (error != 0 && errno != ESRCH && errno != EPERM)
1656 warn("sysctl(kern.proc.%s)", env ? "env" : "args");
1657 if (error != 0 || len == 0)
1659 } else /* procstat->type == PROCSTAT_CORE */ {
1660 type = env ? PSC_TYPE_ENVV : PSC_TYPE_ARGV;
1662 if (procstat_core_get(procstat->core, type, av->buf, &len)
1671 for (p = av->buf; p < av->buf + len; p += strlen(p) + 1) {
1677 argv = realloc(argv, sizeof(char *) * argc);
1679 warn("malloc(%zu)", sizeof(char *) * argc);
1691 * Return process command line arguments.
1694 procstat_getargv(struct procstat *procstat, struct kinfo_proc *p, size_t nchr)
1697 return (getargv(procstat, p, nchr, 0));
1701 * Free the buffer allocated by procstat_getargv().
1704 procstat_freeargv(struct procstat *procstat)
1707 if (procstat->argv != NULL) {
1708 argvec_free(procstat->argv);
1709 procstat->argv = NULL;
1714 * Return process environment.
1717 procstat_getenvv(struct procstat *procstat, struct kinfo_proc *p, size_t nchr)
1720 return (getargv(procstat, p, nchr, 1));
1724 * Free the buffer allocated by procstat_getenvv().
1727 procstat_freeenvv(struct procstat *procstat)
1729 if (procstat->envv != NULL) {
1730 argvec_free(procstat->envv);
1731 procstat->envv = NULL;
1735 static struct kinfo_vmentry *
1736 kinfo_getvmmap_core(struct procstat_core *core, int *cntp)
1740 char *buf, *bp, *eb;
1741 struct kinfo_vmentry *kiv, *kp, *kv;
1743 buf = procstat_core_get(core, PSC_TYPE_VMMAP, NULL, &len);
1748 * XXXMG: The code below is just copy&past from libutil.
1749 * The code duplication can be avoided if libutil
1750 * is extended to provide something like:
1751 * struct kinfo_vmentry *kinfo_getvmmap_from_buf(const char *buf,
1752 * size_t len, int *cntp);
1755 /* Pass 1: count items */
1760 kv = (struct kinfo_vmentry *)(uintptr_t)bp;
1761 bp += kv->kve_structsize;
1765 kiv = calloc(cnt, sizeof(*kiv));
1773 /* Pass 2: unpack */
1775 kv = (struct kinfo_vmentry *)(uintptr_t)bp;
1776 /* Copy/expand into pre-zeroed buffer */
1777 memcpy(kp, kv, kv->kve_structsize);
1778 /* Advance to next packed record */
1779 bp += kv->kve_structsize;
1780 /* Set field size to fixed length, advance */
1781 kp->kve_structsize = sizeof(*kp);
1786 return (kiv); /* Caller must free() return value */
1789 struct kinfo_vmentry *
1790 procstat_getvmmap(struct procstat *procstat, struct kinfo_proc *kp,
1794 switch(procstat->type) {
1796 warnx("kvm method is not supported");
1798 case PROCSTAT_SYSCTL:
1799 return (kinfo_getvmmap(kp->ki_pid, cntp));
1801 return (kinfo_getvmmap_core(procstat->core, cntp));
1803 warnx("unknown access method: %d", procstat->type);
1809 procstat_freevmmap(struct procstat *procstat __unused,
1810 struct kinfo_vmentry *vmmap)
1817 procstat_getgroups_kvm(kvm_t *kd, struct kinfo_proc *kp, unsigned int *cntp)
1826 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
1828 warnx("can't read proc struct at %p for pid %d",
1829 kp->ki_paddr, kp->ki_pid);
1832 if (proc.p_ucred == NOCRED)
1834 if (!kvm_read_all(kd, (unsigned long)proc.p_ucred, &ucred,
1836 warnx("can't read ucred struct at %p for pid %d",
1837 proc.p_ucred, kp->ki_pid);
1840 len = ucred.cr_ngroups * sizeof(gid_t);
1841 groups = malloc(len);
1842 if (groups == NULL) {
1843 warn("malloc(%zu)", len);
1846 if (!kvm_read_all(kd, (unsigned long)ucred.cr_groups, groups, len)) {
1847 warnx("can't read groups at %p for pid %d",
1848 ucred.cr_groups, kp->ki_pid);
1852 *cntp = ucred.cr_ngroups;
1857 procstat_getgroups_sysctl(pid_t pid, unsigned int *cntp)
1865 mib[2] = KERN_PROC_GROUPS;
1867 len = (sysconf(_SC_NGROUPS_MAX) + 1) * sizeof(gid_t);
1868 groups = malloc(len);
1869 if (groups == NULL) {
1870 warn("malloc(%zu)", len);
1873 if (sysctl(mib, 4, groups, &len, NULL, 0) == -1) {
1874 warn("sysctl: kern.proc.groups: %d", pid);
1878 *cntp = len / sizeof(gid_t);
1883 procstat_getgroups_core(struct procstat_core *core, unsigned int *cntp)
1888 groups = procstat_core_get(core, PSC_TYPE_GROUPS, NULL, &len);
1891 *cntp = len / sizeof(gid_t);
1896 procstat_getgroups(struct procstat *procstat, struct kinfo_proc *kp,
1899 switch(procstat->type) {
1901 return (procstat_getgroups_kvm(procstat->kd, kp, cntp));
1902 case PROCSTAT_SYSCTL:
1903 return (procstat_getgroups_sysctl(kp->ki_pid, cntp));
1905 return (procstat_getgroups_core(procstat->core, cntp));
1907 warnx("unknown access method: %d", procstat->type);
1913 procstat_freegroups(struct procstat *procstat __unused, gid_t *groups)
1920 procstat_getumask_kvm(kvm_t *kd, struct kinfo_proc *kp, unsigned short *maskp)
1926 if (kp->ki_fd == NULL)
1928 if (!kvm_read_all(kd, (unsigned long)kp->ki_fd, &fd, sizeof(fd))) {
1929 warnx("can't read filedesc at %p for pid %d", kp->ki_fd,
1933 *maskp = fd.fd_cmask;
1938 procstat_getumask_sysctl(pid_t pid, unsigned short *maskp)
1946 mib[2] = KERN_PROC_UMASK;
1948 len = sizeof(*maskp);
1949 error = sysctl(mib, 4, maskp, &len, NULL, 0);
1950 if (error != 0 && errno != ESRCH)
1951 warn("sysctl: kern.proc.umask: %d", pid);
1956 procstat_getumask_core(struct procstat_core *core, unsigned short *maskp)
1959 unsigned short *buf;
1961 buf = procstat_core_get(core, PSC_TYPE_UMASK, NULL, &len);
1964 if (len < sizeof(*maskp)) {
1974 procstat_getumask(struct procstat *procstat, struct kinfo_proc *kp,
1975 unsigned short *maskp)
1977 switch(procstat->type) {
1979 return (procstat_getumask_kvm(procstat->kd, kp, maskp));
1980 case PROCSTAT_SYSCTL:
1981 return (procstat_getumask_sysctl(kp->ki_pid, maskp));
1983 return (procstat_getumask_core(procstat->core, maskp));
1985 warnx("unknown access method: %d", procstat->type);
1991 procstat_getrlimit_kvm(kvm_t *kd, struct kinfo_proc *kp, int which,
1992 struct rlimit* rlimit)
1995 unsigned long offset;
1999 assert(which >= 0 && which < RLIM_NLIMITS);
2000 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
2002 warnx("can't read proc struct at %p for pid %d",
2003 kp->ki_paddr, kp->ki_pid);
2006 if (proc.p_limit == NULL)
2008 offset = (unsigned long)proc.p_limit + sizeof(struct rlimit) * which;
2009 if (!kvm_read_all(kd, offset, rlimit, sizeof(*rlimit))) {
2010 warnx("can't read rlimit struct at %p for pid %d",
2011 (void *)offset, kp->ki_pid);
2018 procstat_getrlimit_sysctl(pid_t pid, int which, struct rlimit* rlimit)
2024 name[1] = KERN_PROC;
2025 name[2] = KERN_PROC_RLIMIT;
2028 len = sizeof(struct rlimit);
2029 error = sysctl(name, 5, rlimit, &len, NULL, 0);
2030 if (error < 0 && errno != ESRCH) {
2031 warn("sysctl: kern.proc.rlimit: %d", pid);
2034 if (error < 0 || len != sizeof(struct rlimit))
2040 procstat_getrlimit_core(struct procstat_core *core, int which,
2041 struct rlimit* rlimit)
2044 struct rlimit* rlimits;
2046 if (which < 0 || which >= RLIM_NLIMITS) {
2048 warn("getrlimit: which");
2051 rlimits = procstat_core_get(core, PSC_TYPE_RLIMIT, NULL, &len);
2052 if (rlimits == NULL)
2054 if (len < sizeof(struct rlimit) * RLIM_NLIMITS) {
2058 *rlimit = rlimits[which];
2063 procstat_getrlimit(struct procstat *procstat, struct kinfo_proc *kp, int which,
2064 struct rlimit* rlimit)
2066 switch(procstat->type) {
2068 return (procstat_getrlimit_kvm(procstat->kd, kp, which,
2070 case PROCSTAT_SYSCTL:
2071 return (procstat_getrlimit_sysctl(kp->ki_pid, which, rlimit));
2073 return (procstat_getrlimit_core(procstat->core, which, rlimit));
2075 warnx("unknown access method: %d", procstat->type);
2081 procstat_getpathname_sysctl(pid_t pid, char *pathname, size_t maxlen)
2087 name[1] = KERN_PROC;
2088 name[2] = KERN_PROC_PATHNAME;
2091 error = sysctl(name, 4, pathname, &len, NULL, 0);
2092 if (error != 0 && errno != ESRCH)
2093 warn("sysctl: kern.proc.pathname: %d", pid);
2100 procstat_getpathname_core(struct procstat_core *core, char *pathname,
2103 struct kinfo_file *files;
2106 files = kinfo_getfile_core(core, &cnt);
2110 for (i = 0; i < cnt; i++) {
2111 if (files[i].kf_fd != KF_FD_TYPE_TEXT)
2113 strncpy(pathname, files[i].kf_path, maxlen);
2122 procstat_getpathname(struct procstat *procstat, struct kinfo_proc *kp,
2123 char *pathname, size_t maxlen)
2125 switch(procstat->type) {
2127 /* XXX: Return empty string. */
2131 case PROCSTAT_SYSCTL:
2132 return (procstat_getpathname_sysctl(kp->ki_pid, pathname,
2135 return (procstat_getpathname_core(procstat->core, pathname,
2138 warnx("unknown access method: %d", procstat->type);
2144 procstat_getosrel_kvm(kvm_t *kd, struct kinfo_proc *kp, int *osrelp)
2150 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
2152 warnx("can't read proc struct at %p for pid %d",
2153 kp->ki_paddr, kp->ki_pid);
2156 *osrelp = proc.p_osrel;
2161 procstat_getosrel_sysctl(pid_t pid, int *osrelp)
2167 name[1] = KERN_PROC;
2168 name[2] = KERN_PROC_OSREL;
2170 len = sizeof(*osrelp);
2171 error = sysctl(name, 4, osrelp, &len, NULL, 0);
2172 if (error != 0 && errno != ESRCH)
2173 warn("sysctl: kern.proc.osrel: %d", pid);
2178 procstat_getosrel_core(struct procstat_core *core, int *osrelp)
2183 buf = procstat_core_get(core, PSC_TYPE_OSREL, NULL, &len);
2186 if (len < sizeof(*osrelp)) {
2196 procstat_getosrel(struct procstat *procstat, struct kinfo_proc *kp, int *osrelp)
2198 switch(procstat->type) {
2200 return (procstat_getosrel_kvm(procstat->kd, kp, osrelp));
2201 case PROCSTAT_SYSCTL:
2202 return (procstat_getosrel_sysctl(kp->ki_pid, osrelp));
2204 return (procstat_getosrel_core(procstat->core, osrelp));
2206 warnx("unknown access method: %d", procstat->type);
2211 #define PROC_AUXV_MAX 256
2213 #if __ELF_WORD_SIZE == 64
2214 static const char *elf32_sv_names[] = {
2220 is_elf32_sysctl(pid_t pid)
2224 static char sv_name[256];
2227 name[1] = KERN_PROC;
2228 name[2] = KERN_PROC_SV_NAME;
2230 len = sizeof(sv_name);
2231 error = sysctl(name, 4, sv_name, &len, NULL, 0);
2232 if (error != 0 || len == 0)
2234 for (i = 0; i < sizeof(elf32_sv_names) / sizeof(*elf32_sv_names); i++) {
2235 if (strncmp(sv_name, elf32_sv_names[i], sizeof(sv_name)) == 0)
2241 static Elf_Auxinfo *
2242 procstat_getauxv32_sysctl(pid_t pid, unsigned int *cntp)
2245 Elf32_Auxinfo *auxv32;
2248 unsigned int i, count;
2252 name[1] = KERN_PROC;
2253 name[2] = KERN_PROC_AUXV;
2255 len = PROC_AUXV_MAX * sizeof(Elf32_Auxinfo);
2257 auxv32 = malloc(len);
2258 if (auxv32 == NULL) {
2259 warn("malloc(%zu)", len);
2262 if (sysctl(name, 4, auxv32, &len, NULL, 0) == -1) {
2263 if (errno != ESRCH && errno != EPERM)
2264 warn("sysctl: kern.proc.auxv: %d: %d", pid, errno);
2267 count = len / sizeof(Elf_Auxinfo);
2268 auxv = malloc(count * sizeof(Elf_Auxinfo));
2270 warn("malloc(%zu)", count * sizeof(Elf_Auxinfo));
2273 for (i = 0; i < count; i++) {
2275 * XXX: We expect that values for a_type on a 32-bit platform
2276 * are directly mapped to values on 64-bit one, which is not
2279 auxv[i].a_type = auxv32[i].a_type;
2280 ptr = &auxv32[i].a_un;
2281 auxv[i].a_un.a_val = *((uint32_t *)ptr);
2288 #endif /* __ELF_WORD_SIZE == 64 */
2290 static Elf_Auxinfo *
2291 procstat_getauxv_sysctl(pid_t pid, unsigned int *cntp)
2297 #if __ELF_WORD_SIZE == 64
2298 if (is_elf32_sysctl(pid))
2299 return (procstat_getauxv32_sysctl(pid, cntp));
2302 name[1] = KERN_PROC;
2303 name[2] = KERN_PROC_AUXV;
2305 len = PROC_AUXV_MAX * sizeof(Elf_Auxinfo);
2308 warn("malloc(%zu)", len);
2311 if (sysctl(name, 4, auxv, &len, NULL, 0) == -1) {
2312 if (errno != ESRCH && errno != EPERM)
2313 warn("sysctl: kern.proc.auxv: %d: %d", pid, errno);
2317 *cntp = len / sizeof(Elf_Auxinfo);
2321 static Elf_Auxinfo *
2322 procstat_getauxv_core(struct procstat_core *core, unsigned int *cntp)
2327 auxv = procstat_core_get(core, PSC_TYPE_AUXV, NULL, &len);
2330 *cntp = len / sizeof(Elf_Auxinfo);
2335 procstat_getauxv(struct procstat *procstat, struct kinfo_proc *kp,
2338 switch(procstat->type) {
2340 warnx("kvm method is not supported");
2342 case PROCSTAT_SYSCTL:
2343 return (procstat_getauxv_sysctl(kp->ki_pid, cntp));
2345 return (procstat_getauxv_core(procstat->core, cntp));
2347 warnx("unknown access method: %d", procstat->type);
2353 procstat_freeauxv(struct procstat *procstat __unused, Elf_Auxinfo *auxv)
2359 static struct kinfo_kstack *
2360 procstat_getkstack_sysctl(pid_t pid, int *cntp)
2362 struct kinfo_kstack *kkstp;
2367 name[1] = KERN_PROC;
2368 name[2] = KERN_PROC_KSTACK;
2372 error = sysctl(name, 4, NULL, &len, NULL, 0);
2373 if (error < 0 && errno != ESRCH && errno != EPERM && errno != ENOENT) {
2374 warn("sysctl: kern.proc.kstack: %d", pid);
2377 if (error == -1 && errno == ENOENT) {
2378 warnx("sysctl: kern.proc.kstack unavailable"
2379 " (options DDB or options STACK required in kernel)");
2384 kkstp = malloc(len);
2385 if (kkstp == NULL) {
2386 warn("malloc(%zu)", len);
2389 if (sysctl(name, 4, kkstp, &len, NULL, 0) == -1) {
2390 warn("sysctl: kern.proc.pid: %d", pid);
2394 *cntp = len / sizeof(*kkstp);
2399 struct kinfo_kstack *
2400 procstat_getkstack(struct procstat *procstat, struct kinfo_proc *kp,
2403 switch(procstat->type) {
2405 warnx("kvm method is not supported");
2407 case PROCSTAT_SYSCTL:
2408 return (procstat_getkstack_sysctl(kp->ki_pid, cntp));
2410 warnx("core method is not supported");
2413 warnx("unknown access method: %d", procstat->type);
2419 procstat_freekstack(struct procstat *procstat __unused,
2420 struct kinfo_kstack *kkstp)