2 * Copyright (c) 2017 Dell EMC
3 * Copyright (c) 2009 Stanislav Sedov <stas@FreeBSD.org>
4 * Copyright (c) 1988, 1993
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the University of
18 * California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 #include <sys/cdefs.h>
37 __FBSDID("$FreeBSD$");
39 #include <sys/param.h>
42 #include <sys/resourcevar.h>
44 #include <sys/ucred.h>
49 #include <sys/vnode.h>
50 #include <sys/socket.h>
51 #include <sys/socketvar.h>
52 #include <sys/domain.h>
53 #include <sys/protosw.h>
55 #include <sys/unpcb.h>
56 #include <sys/sysctl.h>
58 #include <sys/filedesc.h>
59 #include <sys/queue.h>
65 #include <sys/capsicum.h>
66 #include <sys/ptrace.h>
68 #include <sys/mount.h>
70 #include <ufs/ufs/quota.h>
71 #include <ufs/ufs/inode.h>
72 #include <fs/devfs/devfs.h>
73 #include <fs/devfs/devfs_int.h>
75 #include <nfs/nfsproto.h>
76 #include <nfsclient/nfs.h>
77 #include <nfsclient/nfsnode.h>
80 #include <vm/vm_map.h>
81 #include <vm/vm_object.h>
83 #include <net/route.h>
84 #include <netinet/in.h>
85 #include <netinet/in_systm.h>
86 #include <netinet/ip.h>
87 #include <netinet/in_pcb.h>
105 #include <libprocstat.h>
106 #include "libprocstat_internal.h"
107 #include "common_kvm.h"
110 int statfs(const char *, struct statfs *); /* XXX */
112 #define PROCSTAT_KVM 1
113 #define PROCSTAT_SYSCTL 2
114 #define PROCSTAT_CORE 3
116 static char **getargv(struct procstat *procstat, struct kinfo_proc *kp,
117 size_t nchr, int env);
118 static char *getmnton(kvm_t *kd, struct mount *m);
119 static struct kinfo_vmentry * kinfo_getvmmap_core(struct procstat_core *core,
121 static Elf_Auxinfo *procstat_getauxv_core(struct procstat_core *core,
123 static Elf_Auxinfo *procstat_getauxv_sysctl(pid_t pid, unsigned int *cntp);
124 static struct filestat_list *procstat_getfiles_kvm(
125 struct procstat *procstat, struct kinfo_proc *kp, int mmapped);
126 static struct filestat_list *procstat_getfiles_sysctl(
127 struct procstat *procstat, struct kinfo_proc *kp, int mmapped);
128 static int procstat_get_pipe_info_sysctl(struct filestat *fst,
129 struct pipestat *pipe, char *errbuf);
130 static int procstat_get_pipe_info_kvm(kvm_t *kd, struct filestat *fst,
131 struct pipestat *pipe, char *errbuf);
132 static int procstat_get_pts_info_sysctl(struct filestat *fst,
133 struct ptsstat *pts, char *errbuf);
134 static int procstat_get_pts_info_kvm(kvm_t *kd, struct filestat *fst,
135 struct ptsstat *pts, char *errbuf);
136 static int procstat_get_sem_info_sysctl(struct filestat *fst,
137 struct semstat *sem, char *errbuf);
138 static int procstat_get_sem_info_kvm(kvm_t *kd, struct filestat *fst,
139 struct semstat *sem, char *errbuf);
140 static int procstat_get_shm_info_sysctl(struct filestat *fst,
141 struct shmstat *shm, char *errbuf);
142 static int procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst,
143 struct shmstat *shm, char *errbuf);
144 static int procstat_get_socket_info_sysctl(struct filestat *fst,
145 struct sockstat *sock, char *errbuf);
146 static int procstat_get_socket_info_kvm(kvm_t *kd, struct filestat *fst,
147 struct sockstat *sock, char *errbuf);
148 static int to_filestat_flags(int flags);
149 static int procstat_get_vnode_info_kvm(kvm_t *kd, struct filestat *fst,
150 struct vnstat *vn, char *errbuf);
151 static int procstat_get_vnode_info_sysctl(struct filestat *fst,
152 struct vnstat *vn, char *errbuf);
153 static gid_t *procstat_getgroups_core(struct procstat_core *core,
154 unsigned int *count);
155 static gid_t * procstat_getgroups_kvm(kvm_t *kd, struct kinfo_proc *kp,
156 unsigned int *count);
157 static gid_t *procstat_getgroups_sysctl(pid_t pid, unsigned int *count);
158 static struct kinfo_kstack *procstat_getkstack_sysctl(pid_t pid,
160 static int procstat_getosrel_core(struct procstat_core *core,
162 static int procstat_getosrel_kvm(kvm_t *kd, struct kinfo_proc *kp,
164 static int procstat_getosrel_sysctl(pid_t pid, int *osrelp);
165 static int procstat_getpathname_core(struct procstat_core *core,
166 char *pathname, size_t maxlen);
167 static int procstat_getpathname_sysctl(pid_t pid, char *pathname,
169 static int procstat_getrlimit_core(struct procstat_core *core, int which,
170 struct rlimit* rlimit);
171 static int procstat_getrlimit_kvm(kvm_t *kd, struct kinfo_proc *kp,
172 int which, struct rlimit* rlimit);
173 static int procstat_getrlimit_sysctl(pid_t pid, int which,
174 struct rlimit* rlimit);
175 static int procstat_getumask_core(struct procstat_core *core,
176 unsigned short *maskp);
177 static int procstat_getumask_kvm(kvm_t *kd, struct kinfo_proc *kp,
178 unsigned short *maskp);
179 static int procstat_getumask_sysctl(pid_t pid, unsigned short *maskp);
180 static int vntype2psfsttype(int type);
183 procstat_close(struct procstat *procstat)
187 if (procstat->type == PROCSTAT_KVM)
188 kvm_close(procstat->kd);
189 else if (procstat->type == PROCSTAT_CORE)
190 procstat_core_close(procstat->core);
191 procstat_freeargv(procstat);
192 procstat_freeenvv(procstat);
197 procstat_open_sysctl(void)
199 struct procstat *procstat;
201 procstat = calloc(1, sizeof(*procstat));
202 if (procstat == NULL) {
206 procstat->type = PROCSTAT_SYSCTL;
211 procstat_open_kvm(const char *nlistf, const char *memf)
213 struct procstat *procstat;
215 char buf[_POSIX2_LINE_MAX];
217 procstat = calloc(1, sizeof(*procstat));
218 if (procstat == NULL) {
222 kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf);
224 warnx("kvm_openfiles(): %s", buf);
228 procstat->type = PROCSTAT_KVM;
234 procstat_open_core(const char *filename)
236 struct procstat *procstat;
237 struct procstat_core *core;
239 procstat = calloc(1, sizeof(*procstat));
240 if (procstat == NULL) {
244 core = procstat_core_open(filename);
249 procstat->type = PROCSTAT_CORE;
250 procstat->core = core;
255 procstat_getprocs(struct procstat *procstat, int what, int arg,
258 struct kinfo_proc *p0, *p;
267 if (procstat->type == PROCSTAT_KVM) {
269 p0 = kvm_getprocs(procstat->kd, what, arg, &cnt);
270 if (p0 == NULL || cnt <= 0)
273 len = *count * sizeof(*p);
276 warnx("malloc(%zu)", len);
281 } else if (procstat->type == PROCSTAT_SYSCTL) {
287 error = sysctl(name, nitems(name), NULL, &len, NULL, 0);
288 if (error < 0 && errno != EPERM) {
289 warn("sysctl(kern.proc)");
293 warnx("no processes?");
298 p = reallocf(p, len);
300 warnx("reallocf(%zu)", len);
304 error = sysctl(name, nitems(name), p, &len, NULL, 0);
305 } while (error < 0 && errno == ENOMEM && olen == len);
306 if (error < 0 && errno != EPERM) {
307 warn("sysctl(kern.proc)");
310 /* Perform simple consistency checks. */
311 if ((len % sizeof(*p)) != 0 || p->ki_structsize != sizeof(*p)) {
312 warnx("kinfo_proc structure size mismatch (len = %zu)", len);
315 *count = len / sizeof(*p);
317 } else if (procstat->type == PROCSTAT_CORE) {
318 p = procstat_core_get(procstat->core, PSC_TYPE_PROC, NULL,
320 if ((len % sizeof(*p)) != 0 || p->ki_structsize != sizeof(*p)) {
321 warnx("kinfo_proc structure size mismatch");
324 *count = len / sizeof(*p);
327 warnx("unknown access method: %d", procstat->type);
337 procstat_freeprocs(struct procstat *procstat __unused, struct kinfo_proc *p)
345 struct filestat_list *
346 procstat_getfiles(struct procstat *procstat, struct kinfo_proc *kp, int mmapped)
349 switch(procstat->type) {
351 return (procstat_getfiles_kvm(procstat, kp, mmapped));
352 case PROCSTAT_SYSCTL:
354 return (procstat_getfiles_sysctl(procstat, kp, mmapped));
356 warnx("unknown access method: %d", procstat->type);
362 procstat_freefiles(struct procstat *procstat, struct filestat_list *head)
364 struct filestat *fst, *tmp;
366 STAILQ_FOREACH_SAFE(fst, head, next, tmp) {
367 if (fst->fs_path != NULL)
372 if (procstat->vmentries != NULL) {
373 free(procstat->vmentries);
374 procstat->vmentries = NULL;
376 if (procstat->files != NULL) {
377 free(procstat->files);
378 procstat->files = NULL;
382 static struct filestat *
383 filestat_new_entry(void *typedep, int type, int fd, int fflags, int uflags,
384 int refcount, off_t offset, char *path, cap_rights_t *cap_rightsp)
386 struct filestat *entry;
388 entry = calloc(1, sizeof(*entry));
393 entry->fs_typedep = typedep;
394 entry->fs_fflags = fflags;
395 entry->fs_uflags = uflags;
397 entry->fs_type = type;
398 entry->fs_ref_count = refcount;
399 entry->fs_offset = offset;
400 entry->fs_path = path;
401 if (cap_rightsp != NULL)
402 entry->fs_cap_rights = *cap_rightsp;
404 cap_rights_init(&entry->fs_cap_rights);
408 static struct vnode *
409 getctty(kvm_t *kd, struct kinfo_proc *kp)
417 error = kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
420 warnx("can't read proc struct at %p for pid %d",
421 kp->ki_paddr, kp->ki_pid);
424 if (proc.p_pgrp == NULL)
426 error = kvm_read_all(kd, (unsigned long)proc.p_pgrp, &pgrp,
429 warnx("can't read pgrp struct at %p for pid %d",
430 proc.p_pgrp, kp->ki_pid);
433 error = kvm_read_all(kd, (unsigned long)pgrp.pg_session, &sess,
436 warnx("can't read session struct at %p for pid %d",
437 pgrp.pg_session, kp->ki_pid);
440 return (sess.s_ttyvp);
443 static struct filestat_list *
444 procstat_getfiles_kvm(struct procstat *procstat, struct kinfo_proc *kp, int mmapped)
447 struct filedesc filed;
448 struct vm_map_entry vmentry;
449 struct vm_object object;
450 struct vmspace vmspace;
451 vm_map_entry_t entryp;
455 struct file **ofiles;
456 struct filestat *entry;
457 struct filestat_list *head;
468 if (kp->ki_fd == NULL)
470 if (!kvm_read_all(kd, (unsigned long)kp->ki_fd, &filed,
472 warnx("can't read filedesc at %p", (void *)kp->ki_fd);
477 * Allocate list head.
479 head = malloc(sizeof(*head));
484 /* root directory vnode, if one. */
486 entry = filestat_new_entry(filed.fd_rdir, PS_FST_TYPE_VNODE, -1,
487 PS_FST_FFLAG_READ, PS_FST_UFLAG_RDIR, 0, 0, NULL, NULL);
489 STAILQ_INSERT_TAIL(head, entry, next);
491 /* current working directory vnode. */
493 entry = filestat_new_entry(filed.fd_cdir, PS_FST_TYPE_VNODE, -1,
494 PS_FST_FFLAG_READ, PS_FST_UFLAG_CDIR, 0, 0, NULL, NULL);
496 STAILQ_INSERT_TAIL(head, entry, next);
498 /* jail root, if any. */
500 entry = filestat_new_entry(filed.fd_jdir, PS_FST_TYPE_VNODE, -1,
501 PS_FST_FFLAG_READ, PS_FST_UFLAG_JAIL, 0, 0, NULL, NULL);
503 STAILQ_INSERT_TAIL(head, entry, next);
505 /* ktrace vnode, if one */
507 entry = filestat_new_entry(kp->ki_tracep, PS_FST_TYPE_VNODE, -1,
508 PS_FST_FFLAG_READ | PS_FST_FFLAG_WRITE,
509 PS_FST_UFLAG_TRACE, 0, 0, NULL, NULL);
511 STAILQ_INSERT_TAIL(head, entry, next);
513 /* text vnode, if one */
515 entry = filestat_new_entry(kp->ki_textvp, PS_FST_TYPE_VNODE, -1,
516 PS_FST_FFLAG_READ, PS_FST_UFLAG_TEXT, 0, 0, NULL, NULL);
518 STAILQ_INSERT_TAIL(head, entry, next);
520 /* Controlling terminal. */
521 if ((vp = getctty(kd, kp)) != NULL) {
522 entry = filestat_new_entry(vp, PS_FST_TYPE_VNODE, -1,
523 PS_FST_FFLAG_READ | PS_FST_FFLAG_WRITE,
524 PS_FST_UFLAG_CTTY, 0, 0, NULL, NULL);
526 STAILQ_INSERT_TAIL(head, entry, next);
529 nfiles = filed.fd_lastfile + 1;
530 ofiles = malloc(nfiles * sizeof(struct file *));
531 if (ofiles == NULL) {
532 warn("malloc(%zu)", nfiles * sizeof(struct file *));
535 if (!kvm_read_all(kd, (unsigned long)filed.fd_ofiles, ofiles,
536 nfiles * sizeof(struct file *))) {
537 warnx("cannot read file structures at %p",
538 (void *)filed.fd_ofiles);
542 for (i = 0; i <= filed.fd_lastfile; i++) {
543 if (ofiles[i] == NULL)
545 if (!kvm_read_all(kd, (unsigned long)ofiles[i], &file,
546 sizeof(struct file))) {
547 warnx("can't read file %d at %p", i,
551 switch (file.f_type) {
553 type = PS_FST_TYPE_VNODE;
557 type = PS_FST_TYPE_SOCKET;
561 type = PS_FST_TYPE_PIPE;
565 type = PS_FST_TYPE_FIFO;
570 type = PS_FST_TYPE_PTS;
575 type = PS_FST_TYPE_SEM;
579 type = PS_FST_TYPE_SHM;
583 type = PS_FST_TYPE_PROCDESC;
587 type = PS_FST_TYPE_DEV;
593 /* XXXRW: No capability rights support for kvm yet. */
594 entry = filestat_new_entry(data, type, i,
595 to_filestat_flags(file.f_flag), 0, 0, 0, NULL, NULL);
597 STAILQ_INSERT_TAIL(head, entry, next);
604 * Process mmapped files if requested.
607 if (!kvm_read_all(kd, (unsigned long)kp->ki_vmspace, &vmspace,
609 warnx("can't read vmspace at %p",
610 (void *)kp->ki_vmspace);
613 map = &vmspace.vm_map;
615 for (entryp = map->header.next;
616 entryp != &kp->ki_vmspace->vm_map.header;
617 entryp = vmentry.next) {
618 if (!kvm_read_all(kd, (unsigned long)entryp, &vmentry,
620 warnx("can't read vm_map_entry at %p",
624 if (vmentry.eflags & MAP_ENTRY_IS_SUB_MAP)
626 if ((objp = vmentry.object.vm_object) == NULL)
628 for (; objp; objp = object.backing_object) {
629 if (!kvm_read_all(kd, (unsigned long)objp,
630 &object, sizeof(object))) {
631 warnx("can't read vm_object at %p",
637 /* We want only vnode objects. */
638 if (object.type != OBJT_VNODE)
641 prot = vmentry.protection;
643 if (prot & VM_PROT_READ)
644 fflags = PS_FST_FFLAG_READ;
645 if ((vmentry.eflags & MAP_ENTRY_COW) == 0 &&
646 prot & VM_PROT_WRITE)
647 fflags |= PS_FST_FFLAG_WRITE;
650 * Create filestat entry.
652 entry = filestat_new_entry(object.handle,
653 PS_FST_TYPE_VNODE, -1, fflags,
654 PS_FST_UFLAG_MMAP, 0, 0, NULL, NULL);
656 STAILQ_INSERT_TAIL(head, entry, next);
664 * kinfo types to filestat translation.
667 kinfo_type2fst(int kftype)
673 { KF_TYPE_PROCDESC, PS_FST_TYPE_PROCDESC },
674 { KF_TYPE_CRYPTO, PS_FST_TYPE_CRYPTO },
675 { KF_TYPE_DEV, PS_FST_TYPE_DEV },
676 { KF_TYPE_FIFO, PS_FST_TYPE_FIFO },
677 { KF_TYPE_KQUEUE, PS_FST_TYPE_KQUEUE },
678 { KF_TYPE_MQUEUE, PS_FST_TYPE_MQUEUE },
679 { KF_TYPE_NONE, PS_FST_TYPE_NONE },
680 { KF_TYPE_PIPE, PS_FST_TYPE_PIPE },
681 { KF_TYPE_PTS, PS_FST_TYPE_PTS },
682 { KF_TYPE_SEM, PS_FST_TYPE_SEM },
683 { KF_TYPE_SHM, PS_FST_TYPE_SHM },
684 { KF_TYPE_SOCKET, PS_FST_TYPE_SOCKET },
685 { KF_TYPE_VNODE, PS_FST_TYPE_VNODE },
686 { KF_TYPE_UNKNOWN, PS_FST_TYPE_UNKNOWN }
688 #define NKFTYPES (sizeof(kftypes2fst) / sizeof(*kftypes2fst))
691 for (i = 0; i < NKFTYPES; i++)
692 if (kftypes2fst[i].kf_type == kftype)
695 return (PS_FST_TYPE_UNKNOWN);
696 return (kftypes2fst[i].fst_type);
700 * kinfo flags to filestat translation.
703 kinfo_fflags2fst(int kfflags)
709 { KF_FLAG_APPEND, PS_FST_FFLAG_APPEND },
710 { KF_FLAG_ASYNC, PS_FST_FFLAG_ASYNC },
711 { KF_FLAG_CREAT, PS_FST_FFLAG_CREAT },
712 { KF_FLAG_DIRECT, PS_FST_FFLAG_DIRECT },
713 { KF_FLAG_EXCL, PS_FST_FFLAG_EXCL },
714 { KF_FLAG_EXEC, PS_FST_FFLAG_EXEC },
715 { KF_FLAG_EXLOCK, PS_FST_FFLAG_EXLOCK },
716 { KF_FLAG_FSYNC, PS_FST_FFLAG_SYNC },
717 { KF_FLAG_HASLOCK, PS_FST_FFLAG_HASLOCK },
718 { KF_FLAG_NOFOLLOW, PS_FST_FFLAG_NOFOLLOW },
719 { KF_FLAG_NONBLOCK, PS_FST_FFLAG_NONBLOCK },
720 { KF_FLAG_READ, PS_FST_FFLAG_READ },
721 { KF_FLAG_SHLOCK, PS_FST_FFLAG_SHLOCK },
722 { KF_FLAG_TRUNC, PS_FST_FFLAG_TRUNC },
723 { KF_FLAG_WRITE, PS_FST_FFLAG_WRITE }
725 #define NKFFLAGS (sizeof(kfflags2fst) / sizeof(*kfflags2fst))
730 for (i = 0; i < NKFFLAGS; i++)
731 if ((kfflags & kfflags2fst[i].kf_flag) != 0)
732 flags |= kfflags2fst[i].fst_flag;
737 kinfo_uflags2fst(int fd)
741 case KF_FD_TYPE_CTTY:
742 return (PS_FST_UFLAG_CTTY);
744 return (PS_FST_UFLAG_CDIR);
745 case KF_FD_TYPE_JAIL:
746 return (PS_FST_UFLAG_JAIL);
747 case KF_FD_TYPE_TEXT:
748 return (PS_FST_UFLAG_TEXT);
749 case KF_FD_TYPE_TRACE:
750 return (PS_FST_UFLAG_TRACE);
751 case KF_FD_TYPE_ROOT:
752 return (PS_FST_UFLAG_RDIR);
757 static struct kinfo_file *
758 kinfo_getfile_core(struct procstat_core *core, int *cntp)
763 struct kinfo_file *kif, *kp, *kf;
765 buf = procstat_core_get(core, PSC_TYPE_FILES, NULL, &len);
769 * XXXMG: The code below is just copy&past from libutil.
770 * The code duplication can be avoided if libutil
771 * is extended to provide something like:
772 * struct kinfo_file *kinfo_getfile_from_buf(const char *buf,
773 * size_t len, int *cntp);
776 /* Pass 1: count items */
781 kf = (struct kinfo_file *)(uintptr_t)bp;
782 if (kf->kf_structsize == 0)
784 bp += kf->kf_structsize;
788 kif = calloc(cnt, sizeof(*kif));
798 kf = (struct kinfo_file *)(uintptr_t)bp;
799 if (kf->kf_structsize == 0)
801 /* Copy/expand into pre-zeroed buffer */
802 memcpy(kp, kf, kf->kf_structsize);
803 /* Advance to next packed record */
804 bp += kf->kf_structsize;
805 /* Set field size to fixed length, advance */
806 kp->kf_structsize = sizeof(*kp);
811 return (kif); /* Caller must free() return value */
814 static struct filestat_list *
815 procstat_getfiles_sysctl(struct procstat *procstat, struct kinfo_proc *kp,
818 struct kinfo_file *kif, *files;
819 struct kinfo_vmentry *kve, *vmentries;
820 struct filestat_list *head;
821 struct filestat *entry;
827 cap_rights_t cap_rights;
830 if (kp->ki_fd == NULL)
832 switch(procstat->type) {
833 case PROCSTAT_SYSCTL:
834 files = kinfo_getfile(kp->ki_pid, &cnt);
837 files = kinfo_getfile_core(procstat->core, &cnt);
840 assert(!"invalid type");
842 if (files == NULL && errno != EPERM) {
843 warn("kinfo_getfile()");
846 procstat->files = files;
849 * Allocate list head.
851 head = malloc(sizeof(*head));
855 for (i = 0; i < cnt; i++) {
858 type = kinfo_type2fst(kif->kf_type);
859 fd = kif->kf_fd >= 0 ? kif->kf_fd : -1;
860 fflags = kinfo_fflags2fst(kif->kf_flags);
861 uflags = kinfo_uflags2fst(kif->kf_fd);
862 refcount = kif->kf_ref_count;
863 offset = kif->kf_offset;
864 if (*kif->kf_path != '\0')
865 path = strdup(kif->kf_path);
868 cap_rights = kif->kf_cap_rights;
871 * Create filestat entry.
873 entry = filestat_new_entry(kif, type, fd, fflags, uflags,
874 refcount, offset, path, &cap_rights);
876 STAILQ_INSERT_TAIL(head, entry, next);
879 vmentries = procstat_getvmmap(procstat, kp, &cnt);
880 procstat->vmentries = vmentries;
881 if (vmentries == NULL || cnt == 0)
883 for (i = 0; i < cnt; i++) {
885 if (kve->kve_type != KVME_TYPE_VNODE)
888 if (kve->kve_protection & KVME_PROT_READ)
889 fflags = PS_FST_FFLAG_READ;
890 if ((kve->kve_flags & KVME_FLAG_COW) == 0 &&
891 kve->kve_protection & KVME_PROT_WRITE)
892 fflags |= PS_FST_FFLAG_WRITE;
893 offset = kve->kve_offset;
894 refcount = kve->kve_ref_count;
895 if (*kve->kve_path != '\0')
896 path = strdup(kve->kve_path);
899 entry = filestat_new_entry(kve, PS_FST_TYPE_VNODE, -1,
900 fflags, PS_FST_UFLAG_MMAP, refcount, offset, path,
903 STAILQ_INSERT_TAIL(head, entry, next);
911 procstat_get_pipe_info(struct procstat *procstat, struct filestat *fst,
912 struct pipestat *ps, char *errbuf)
916 if (procstat->type == PROCSTAT_KVM) {
917 return (procstat_get_pipe_info_kvm(procstat->kd, fst, ps,
919 } else if (procstat->type == PROCSTAT_SYSCTL ||
920 procstat->type == PROCSTAT_CORE) {
921 return (procstat_get_pipe_info_sysctl(fst, ps, errbuf));
923 warnx("unknown access method: %d", procstat->type);
925 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
931 procstat_get_pipe_info_kvm(kvm_t *kd, struct filestat *fst,
932 struct pipestat *ps, char *errbuf)
940 bzero(ps, sizeof(*ps));
941 pipep = fst->fs_typedep;
944 if (!kvm_read_all(kd, (unsigned long)pipep, &pi, sizeof(struct pipe))) {
945 warnx("can't read pipe at %p", (void *)pipep);
948 ps->addr = (uintptr_t)pipep;
949 ps->peer = (uintptr_t)pi.pipe_peer;
950 ps->buffer_cnt = pi.pipe_buffer.cnt;
955 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
960 procstat_get_pipe_info_sysctl(struct filestat *fst, struct pipestat *ps,
961 char *errbuf __unused)
963 struct kinfo_file *kif;
967 bzero(ps, sizeof(*ps));
968 kif = fst->fs_typedep;
971 ps->addr = kif->kf_un.kf_pipe.kf_pipe_addr;
972 ps->peer = kif->kf_un.kf_pipe.kf_pipe_peer;
973 ps->buffer_cnt = kif->kf_un.kf_pipe.kf_pipe_buffer_cnt;
978 procstat_get_pts_info(struct procstat *procstat, struct filestat *fst,
979 struct ptsstat *pts, char *errbuf)
983 if (procstat->type == PROCSTAT_KVM) {
984 return (procstat_get_pts_info_kvm(procstat->kd, fst, pts,
986 } else if (procstat->type == PROCSTAT_SYSCTL ||
987 procstat->type == PROCSTAT_CORE) {
988 return (procstat_get_pts_info_sysctl(fst, pts, errbuf));
990 warnx("unknown access method: %d", procstat->type);
992 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
998 procstat_get_pts_info_kvm(kvm_t *kd, struct filestat *fst,
999 struct ptsstat *pts, char *errbuf)
1007 bzero(pts, sizeof(*pts));
1008 ttyp = fst->fs_typedep;
1011 if (!kvm_read_all(kd, (unsigned long)ttyp, &tty, sizeof(struct tty))) {
1012 warnx("can't read tty at %p", (void *)ttyp);
1015 pts->dev = dev2udev(kd, tty.t_dev);
1016 (void)kdevtoname(kd, tty.t_dev, pts->devname);
1021 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1026 procstat_get_pts_info_sysctl(struct filestat *fst, struct ptsstat *pts,
1027 char *errbuf __unused)
1029 struct kinfo_file *kif;
1033 bzero(pts, sizeof(*pts));
1034 kif = fst->fs_typedep;
1037 pts->dev = kif->kf_un.kf_pts.kf_pts_dev;
1038 strlcpy(pts->devname, kif->kf_path, sizeof(pts->devname));
1043 procstat_get_sem_info(struct procstat *procstat, struct filestat *fst,
1044 struct semstat *sem, char *errbuf)
1048 if (procstat->type == PROCSTAT_KVM) {
1049 return (procstat_get_sem_info_kvm(procstat->kd, fst, sem,
1051 } else if (procstat->type == PROCSTAT_SYSCTL ||
1052 procstat->type == PROCSTAT_CORE) {
1053 return (procstat_get_sem_info_sysctl(fst, sem, errbuf));
1055 warnx("unknown access method: %d", procstat->type);
1057 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1063 procstat_get_sem_info_kvm(kvm_t *kd, struct filestat *fst,
1064 struct semstat *sem, char *errbuf)
1074 bzero(sem, sizeof(*sem));
1075 ksemp = fst->fs_typedep;
1078 if (!kvm_read_all(kd, (unsigned long)ksemp, &ksem,
1079 sizeof(struct ksem))) {
1080 warnx("can't read ksem at %p", (void *)ksemp);
1083 sem->mode = S_IFREG | ksem.ks_mode;
1084 sem->value = ksem.ks_value;
1085 if (fst->fs_path == NULL && ksem.ks_path != NULL) {
1086 path = malloc(MAXPATHLEN);
1087 for (i = 0; i < MAXPATHLEN - 1; i++) {
1088 if (!kvm_read_all(kd, (unsigned long)ksem.ks_path + i,
1091 if (path[i] == '\0')
1098 fst->fs_path = path;
1104 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1109 procstat_get_sem_info_sysctl(struct filestat *fst, struct semstat *sem,
1110 char *errbuf __unused)
1112 struct kinfo_file *kif;
1116 bzero(sem, sizeof(*sem));
1117 kif = fst->fs_typedep;
1120 sem->value = kif->kf_un.kf_sem.kf_sem_value;
1121 sem->mode = kif->kf_un.kf_sem.kf_sem_mode;
1126 procstat_get_shm_info(struct procstat *procstat, struct filestat *fst,
1127 struct shmstat *shm, char *errbuf)
1131 if (procstat->type == PROCSTAT_KVM) {
1132 return (procstat_get_shm_info_kvm(procstat->kd, fst, shm,
1134 } else if (procstat->type == PROCSTAT_SYSCTL ||
1135 procstat->type == PROCSTAT_CORE) {
1136 return (procstat_get_shm_info_sysctl(fst, shm, errbuf));
1138 warnx("unknown access method: %d", procstat->type);
1140 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1146 procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst,
1147 struct shmstat *shm, char *errbuf)
1157 bzero(shm, sizeof(*shm));
1158 shmfdp = fst->fs_typedep;
1161 if (!kvm_read_all(kd, (unsigned long)shmfdp, &shmfd,
1162 sizeof(struct shmfd))) {
1163 warnx("can't read shmfd at %p", (void *)shmfdp);
1166 shm->mode = S_IFREG | shmfd.shm_mode;
1167 shm->size = shmfd.shm_size;
1168 if (fst->fs_path == NULL && shmfd.shm_path != NULL) {
1169 path = malloc(MAXPATHLEN);
1170 for (i = 0; i < MAXPATHLEN - 1; i++) {
1171 if (!kvm_read_all(kd, (unsigned long)shmfd.shm_path + i,
1174 if (path[i] == '\0')
1181 fst->fs_path = path;
1187 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1192 procstat_get_shm_info_sysctl(struct filestat *fst, struct shmstat *shm,
1193 char *errbuf __unused)
1195 struct kinfo_file *kif;
1199 bzero(shm, sizeof(*shm));
1200 kif = fst->fs_typedep;
1203 shm->size = kif->kf_un.kf_file.kf_file_size;
1204 shm->mode = kif->kf_un.kf_file.kf_file_mode;
1209 procstat_get_vnode_info(struct procstat *procstat, struct filestat *fst,
1210 struct vnstat *vn, char *errbuf)
1214 if (procstat->type == PROCSTAT_KVM) {
1215 return (procstat_get_vnode_info_kvm(procstat->kd, fst, vn,
1217 } else if (procstat->type == PROCSTAT_SYSCTL ||
1218 procstat->type == PROCSTAT_CORE) {
1219 return (procstat_get_vnode_info_sysctl(fst, vn, errbuf));
1221 warnx("unknown access method: %d", procstat->type);
1223 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1229 procstat_get_vnode_info_kvm(kvm_t *kd, struct filestat *fst,
1230 struct vnstat *vn, char *errbuf)
1232 /* Filesystem specific handlers. */
1233 #define FSTYPE(fst) {#fst, fst##_filestat}
1236 int (*handler)(kvm_t *kd, struct vnode *vp,
1246 #ifdef LIBPROCSTAT_ZFS
1250 #define NTYPES (sizeof(fstypes) / sizeof(*fstypes))
1260 vp = fst->fs_typedep;
1263 error = kvm_read_all(kd, (unsigned long)vp, &vnode, sizeof(vnode));
1265 warnx("can't read vnode at %p", (void *)vp);
1268 bzero(vn, sizeof(*vn));
1269 vn->vn_type = vntype2psfsttype(vnode.v_type);
1270 if (vnode.v_type == VNON || vnode.v_type == VBAD)
1272 error = kvm_read_all(kd, (unsigned long)vnode.v_tag, tagstr,
1275 warnx("can't read v_tag at %p", (void *)vp);
1278 tagstr[sizeof(tagstr) - 1] = '\0';
1281 * Find appropriate handler.
1283 for (i = 0; i < NTYPES; i++)
1284 if (!strcmp(fstypes[i].tag, tagstr)) {
1285 if (fstypes[i].handler(kd, &vnode, vn) != 0) {
1292 snprintf(errbuf, _POSIX2_LINE_MAX, "?(%s)", tagstr);
1295 vn->vn_mntdir = getmnton(kd, vnode.v_mount);
1296 if ((vnode.v_type == VBLK || vnode.v_type == VCHR) &&
1297 vnode.v_rdev != NULL){
1298 vn->vn_dev = dev2udev(kd, vnode.v_rdev);
1299 (void)kdevtoname(kd, vnode.v_rdev, vn->vn_devname);
1307 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1312 * kinfo vnode type to filestat translation.
1315 kinfo_vtype2fst(int kfvtype)
1320 } kfvtypes2fst[] = {
1321 { KF_VTYPE_VBAD, PS_FST_VTYPE_VBAD },
1322 { KF_VTYPE_VBLK, PS_FST_VTYPE_VBLK },
1323 { KF_VTYPE_VCHR, PS_FST_VTYPE_VCHR },
1324 { KF_VTYPE_VDIR, PS_FST_VTYPE_VDIR },
1325 { KF_VTYPE_VFIFO, PS_FST_VTYPE_VFIFO },
1326 { KF_VTYPE_VLNK, PS_FST_VTYPE_VLNK },
1327 { KF_VTYPE_VNON, PS_FST_VTYPE_VNON },
1328 { KF_VTYPE_VREG, PS_FST_VTYPE_VREG },
1329 { KF_VTYPE_VSOCK, PS_FST_VTYPE_VSOCK }
1331 #define NKFVTYPES (sizeof(kfvtypes2fst) / sizeof(*kfvtypes2fst))
1334 for (i = 0; i < NKFVTYPES; i++)
1335 if (kfvtypes2fst[i].kf_vtype == kfvtype)
1338 return (PS_FST_VTYPE_UNKNOWN);
1339 return (kfvtypes2fst[i].fst_vtype);
1343 procstat_get_vnode_info_sysctl(struct filestat *fst, struct vnstat *vn,
1346 struct statfs stbuf;
1347 struct kinfo_file *kif;
1348 struct kinfo_vmentry *kve;
1360 bzero(vn, sizeof(*vn));
1361 if (fst->fs_typedep == NULL)
1363 if (fst->fs_uflags & PS_FST_UFLAG_MMAP) {
1364 kve = fst->fs_typedep;
1365 fileid = kve->kve_vn_fileid;
1366 fsid = kve->kve_vn_fsid;
1367 mode = kve->kve_vn_mode;
1368 path = kve->kve_path;
1369 rdev = kve->kve_vn_rdev;
1370 size = kve->kve_vn_size;
1371 vntype = kinfo_vtype2fst(kve->kve_vn_type);
1372 status = kve->kve_status;
1374 kif = fst->fs_typedep;
1375 fileid = kif->kf_un.kf_file.kf_file_fileid;
1376 fsid = kif->kf_un.kf_file.kf_file_fsid;
1377 mode = kif->kf_un.kf_file.kf_file_mode;
1378 path = kif->kf_path;
1379 rdev = kif->kf_un.kf_file.kf_file_rdev;
1380 size = kif->kf_un.kf_file.kf_file_size;
1381 vntype = kinfo_vtype2fst(kif->kf_vnode_type);
1382 status = kif->kf_status;
1384 vn->vn_type = vntype;
1385 if (vntype == PS_FST_VTYPE_VNON || vntype == PS_FST_VTYPE_VBAD)
1387 if ((status & KF_ATTR_VALID) == 0) {
1388 if (errbuf != NULL) {
1389 snprintf(errbuf, _POSIX2_LINE_MAX,
1390 "? (no info available)");
1394 if (path && *path) {
1395 statfs(path, &stbuf);
1396 vn->vn_mntdir = strdup(stbuf.f_mntonname);
1398 vn->vn_mntdir = strdup("-");
1400 if (vntype == PS_FST_VTYPE_VBLK) {
1401 name = devname(rdev, S_IFBLK);
1403 strlcpy(vn->vn_devname, name,
1404 sizeof(vn->vn_devname));
1405 } else if (vntype == PS_FST_VTYPE_VCHR) {
1406 name = devname(vn->vn_dev, S_IFCHR);
1408 strlcpy(vn->vn_devname, name,
1409 sizeof(vn->vn_devname));
1412 vn->vn_fileid = fileid;
1419 procstat_get_socket_info(struct procstat *procstat, struct filestat *fst,
1420 struct sockstat *sock, char *errbuf)
1424 if (procstat->type == PROCSTAT_KVM) {
1425 return (procstat_get_socket_info_kvm(procstat->kd, fst, sock,
1427 } else if (procstat->type == PROCSTAT_SYSCTL ||
1428 procstat->type == PROCSTAT_CORE) {
1429 return (procstat_get_socket_info_sysctl(fst, sock, errbuf));
1431 warnx("unknown access method: %d", procstat->type);
1433 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1439 procstat_get_socket_info_kvm(kvm_t *kd, struct filestat *fst,
1440 struct sockstat *sock, char *errbuf)
1444 struct protosw proto;
1453 bzero(sock, sizeof(*sock));
1454 so = fst->fs_typedep;
1457 sock->so_addr = (uintptr_t)so;
1458 /* fill in socket */
1459 if (!kvm_read_all(kd, (unsigned long)so, &s,
1460 sizeof(struct socket))) {
1461 warnx("can't read sock at %p", (void *)so);
1464 /* fill in protosw entry */
1465 if (!kvm_read_all(kd, (unsigned long)s.so_proto, &proto,
1466 sizeof(struct protosw))) {
1467 warnx("can't read protosw at %p", (void *)s.so_proto);
1470 /* fill in domain */
1471 if (!kvm_read_all(kd, (unsigned long)proto.pr_domain, &dom,
1472 sizeof(struct domain))) {
1473 warnx("can't read domain at %p",
1474 (void *)proto.pr_domain);
1477 if ((len = kvm_read(kd, (unsigned long)dom.dom_name, sock->dname,
1478 sizeof(sock->dname) - 1)) < 0) {
1479 warnx("can't read domain name at %p", (void *)dom.dom_name);
1480 sock->dname[0] = '\0';
1483 sock->dname[len] = '\0';
1486 * Fill in known data.
1488 sock->type = s.so_type;
1489 sock->proto = proto.pr_protocol;
1490 sock->dom_family = dom.dom_family;
1491 sock->so_pcb = (uintptr_t)s.so_pcb;
1494 * Protocol specific data.
1496 switch(dom.dom_family) {
1499 if (proto.pr_protocol == IPPROTO_TCP) {
1501 if (kvm_read(kd, (u_long)s.so_pcb,
1502 (char *)&inpcb, sizeof(struct inpcb))
1503 != sizeof(struct inpcb)) {
1504 warnx("can't read inpcb at %p",
1508 (uintptr_t)inpcb.inp_ppcb;
1514 if (kvm_read(kd, (u_long)s.so_pcb, (char *)&unpcb,
1515 sizeof(struct unpcb)) != sizeof(struct unpcb)){
1516 warnx("can't read unpcb at %p",
1518 } else if (unpcb.unp_conn) {
1519 sock->so_rcv_sb_state = s.so_rcv.sb_state;
1520 sock->so_snd_sb_state = s.so_snd.sb_state;
1521 sock->unp_conn = (uintptr_t)unpcb.unp_conn;
1532 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1537 procstat_get_socket_info_sysctl(struct filestat *fst, struct sockstat *sock,
1538 char *errbuf __unused)
1540 struct kinfo_file *kif;
1544 bzero(sock, sizeof(*sock));
1545 kif = fst->fs_typedep;
1550 * Fill in known data.
1552 sock->type = kif->kf_sock_type;
1553 sock->proto = kif->kf_sock_protocol;
1554 sock->dom_family = kif->kf_sock_domain;
1555 sock->so_pcb = kif->kf_un.kf_sock.kf_sock_pcb;
1556 strlcpy(sock->dname, kif->kf_path, sizeof(sock->dname));
1557 bcopy(&kif->kf_sa_local, &sock->sa_local, kif->kf_sa_local.ss_len);
1558 bcopy(&kif->kf_sa_peer, &sock->sa_peer, kif->kf_sa_peer.ss_len);
1561 * Protocol specific data.
1563 switch(sock->dom_family) {
1566 if (sock->proto == IPPROTO_TCP)
1567 sock->inp_ppcb = kif->kf_un.kf_sock.kf_sock_inpcb;
1570 if (kif->kf_un.kf_sock.kf_sock_unpconn != 0) {
1571 sock->so_rcv_sb_state =
1572 kif->kf_un.kf_sock.kf_sock_rcv_sb_state;
1573 sock->so_snd_sb_state =
1574 kif->kf_un.kf_sock.kf_sock_snd_sb_state;
1576 kif->kf_un.kf_sock.kf_sock_unpconn;
1586 * Descriptor flags to filestat translation.
1589 to_filestat_flags(int flags)
1595 { FREAD, PS_FST_FFLAG_READ },
1596 { FWRITE, PS_FST_FFLAG_WRITE },
1597 { O_APPEND, PS_FST_FFLAG_APPEND },
1598 { O_ASYNC, PS_FST_FFLAG_ASYNC },
1599 { O_CREAT, PS_FST_FFLAG_CREAT },
1600 { O_DIRECT, PS_FST_FFLAG_DIRECT },
1601 { O_EXCL, PS_FST_FFLAG_EXCL },
1602 { O_EXEC, PS_FST_FFLAG_EXEC },
1603 { O_EXLOCK, PS_FST_FFLAG_EXLOCK },
1604 { O_NOFOLLOW, PS_FST_FFLAG_NOFOLLOW },
1605 { O_NONBLOCK, PS_FST_FFLAG_NONBLOCK },
1606 { O_SHLOCK, PS_FST_FFLAG_SHLOCK },
1607 { O_SYNC, PS_FST_FFLAG_SYNC },
1608 { O_TRUNC, PS_FST_FFLAG_TRUNC }
1610 #define NFSTFLAGS (sizeof(fstflags) / sizeof(*fstflags))
1615 for (i = 0; i < NFSTFLAGS; i++)
1616 if (flags & fstflags[i].flag)
1617 fst_flags |= fstflags[i].fst_flag;
1622 * Vnode type to filestate translation.
1625 vntype2psfsttype(int type)
1631 { VBAD, PS_FST_VTYPE_VBAD },
1632 { VBLK, PS_FST_VTYPE_VBLK },
1633 { VCHR, PS_FST_VTYPE_VCHR },
1634 { VDIR, PS_FST_VTYPE_VDIR },
1635 { VFIFO, PS_FST_VTYPE_VFIFO },
1636 { VLNK, PS_FST_VTYPE_VLNK },
1637 { VNON, PS_FST_VTYPE_VNON },
1638 { VREG, PS_FST_VTYPE_VREG },
1639 { VSOCK, PS_FST_VTYPE_VSOCK }
1641 #define NVFTYPES (sizeof(vt2fst) / sizeof(*vt2fst))
1642 unsigned int i, fst_type;
1644 fst_type = PS_FST_VTYPE_UNKNOWN;
1645 for (i = 0; i < NVFTYPES; i++) {
1646 if (type == vt2fst[i].vtype) {
1647 fst_type = vt2fst[i].fst_vtype;
1655 getmnton(kvm_t *kd, struct mount *m)
1658 static struct mtab {
1661 char mntonname[MNAMELEN + 1];
1665 for (mt = mhead; mt != NULL; mt = mt->next)
1667 return (mt->mntonname);
1668 if (!kvm_read_all(kd, (unsigned long)m, &mnt, sizeof(struct mount))) {
1669 warnx("can't read mount table at %p", (void *)m);
1672 if ((mt = malloc(sizeof (struct mtab))) == NULL)
1675 bcopy(&mnt.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN);
1676 mt->mntonname[MNAMELEN] = '\0';
1679 return (mt->mntonname);
1683 * Auxiliary structures and functions to get process environment or
1684 * command line arguments.
1693 static struct argvec *
1694 argvec_alloc(size_t bufsize)
1698 av = malloc(sizeof(*av));
1701 av->bufsize = bufsize;
1702 av->buf = malloc(av->bufsize);
1703 if (av->buf == NULL) {
1708 av->argv = malloc(sizeof(char *) * av->argc);
1709 if (av->argv == NULL) {
1718 argvec_free(struct argvec * av)
1727 getargv(struct procstat *procstat, struct kinfo_proc *kp, size_t nchr, int env)
1729 int error, name[4], argc, i;
1730 struct argvec *av, **avp;
1737 if (procstat->type == PROCSTAT_KVM) {
1738 warnx("can't use kvm access method");
1741 if (procstat->type != PROCSTAT_SYSCTL &&
1742 procstat->type != PROCSTAT_CORE) {
1743 warnx("unknown access method: %d", procstat->type);
1747 if (nchr == 0 || nchr > ARG_MAX)
1750 avp = (struct argvec **)(env ? &procstat->argv : &procstat->envv);
1755 av = argvec_alloc(nchr);
1758 warn("malloc(%zu)", nchr);
1762 } else if (av->bufsize < nchr) {
1763 av->buf = reallocf(av->buf, nchr);
1764 if (av->buf == NULL) {
1765 warn("malloc(%zu)", nchr);
1769 if (procstat->type == PROCSTAT_SYSCTL) {
1771 name[1] = KERN_PROC;
1772 name[2] = env ? KERN_PROC_ENV : KERN_PROC_ARGS;
1773 name[3] = kp->ki_pid;
1775 error = sysctl(name, nitems(name), av->buf, &len, NULL, 0);
1776 if (error != 0 && errno != ESRCH && errno != EPERM)
1777 warn("sysctl(kern.proc.%s)", env ? "env" : "args");
1778 if (error != 0 || len == 0)
1780 } else /* procstat->type == PROCSTAT_CORE */ {
1781 type = env ? PSC_TYPE_ENVV : PSC_TYPE_ARGV;
1783 if (procstat_core_get(procstat->core, type, av->buf, &len)
1792 for (p = av->buf; p < av->buf + len; p += strlen(p) + 1) {
1798 argv = realloc(argv, sizeof(char *) * argc);
1800 warn("malloc(%zu)", sizeof(char *) * argc);
1812 * Return process command line arguments.
1815 procstat_getargv(struct procstat *procstat, struct kinfo_proc *p, size_t nchr)
1818 return (getargv(procstat, p, nchr, 0));
1822 * Free the buffer allocated by procstat_getargv().
1825 procstat_freeargv(struct procstat *procstat)
1828 if (procstat->argv != NULL) {
1829 argvec_free(procstat->argv);
1830 procstat->argv = NULL;
1835 * Return process environment.
1838 procstat_getenvv(struct procstat *procstat, struct kinfo_proc *p, size_t nchr)
1841 return (getargv(procstat, p, nchr, 1));
1845 * Free the buffer allocated by procstat_getenvv().
1848 procstat_freeenvv(struct procstat *procstat)
1850 if (procstat->envv != NULL) {
1851 argvec_free(procstat->envv);
1852 procstat->envv = NULL;
1856 static struct kinfo_vmentry *
1857 kinfo_getvmmap_core(struct procstat_core *core, int *cntp)
1861 char *buf, *bp, *eb;
1862 struct kinfo_vmentry *kiv, *kp, *kv;
1864 buf = procstat_core_get(core, PSC_TYPE_VMMAP, NULL, &len);
1869 * XXXMG: The code below is just copy&past from libutil.
1870 * The code duplication can be avoided if libutil
1871 * is extended to provide something like:
1872 * struct kinfo_vmentry *kinfo_getvmmap_from_buf(const char *buf,
1873 * size_t len, int *cntp);
1876 /* Pass 1: count items */
1881 kv = (struct kinfo_vmentry *)(uintptr_t)bp;
1882 if (kv->kve_structsize == 0)
1884 bp += kv->kve_structsize;
1888 kiv = calloc(cnt, sizeof(*kiv));
1896 /* Pass 2: unpack */
1898 kv = (struct kinfo_vmentry *)(uintptr_t)bp;
1899 if (kv->kve_structsize == 0)
1901 /* Copy/expand into pre-zeroed buffer */
1902 memcpy(kp, kv, kv->kve_structsize);
1903 /* Advance to next packed record */
1904 bp += kv->kve_structsize;
1905 /* Set field size to fixed length, advance */
1906 kp->kve_structsize = sizeof(*kp);
1911 return (kiv); /* Caller must free() return value */
1914 struct kinfo_vmentry *
1915 procstat_getvmmap(struct procstat *procstat, struct kinfo_proc *kp,
1919 switch(procstat->type) {
1921 warnx("kvm method is not supported");
1923 case PROCSTAT_SYSCTL:
1924 return (kinfo_getvmmap(kp->ki_pid, cntp));
1926 return (kinfo_getvmmap_core(procstat->core, cntp));
1928 warnx("unknown access method: %d", procstat->type);
1934 procstat_freevmmap(struct procstat *procstat __unused,
1935 struct kinfo_vmentry *vmmap)
1942 procstat_getgroups_kvm(kvm_t *kd, struct kinfo_proc *kp, unsigned int *cntp)
1951 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
1953 warnx("can't read proc struct at %p for pid %d",
1954 kp->ki_paddr, kp->ki_pid);
1957 if (proc.p_ucred == NOCRED)
1959 if (!kvm_read_all(kd, (unsigned long)proc.p_ucred, &ucred,
1961 warnx("can't read ucred struct at %p for pid %d",
1962 proc.p_ucred, kp->ki_pid);
1965 len = ucred.cr_ngroups * sizeof(gid_t);
1966 groups = malloc(len);
1967 if (groups == NULL) {
1968 warn("malloc(%zu)", len);
1971 if (!kvm_read_all(kd, (unsigned long)ucred.cr_groups, groups, len)) {
1972 warnx("can't read groups at %p for pid %d",
1973 ucred.cr_groups, kp->ki_pid);
1977 *cntp = ucred.cr_ngroups;
1982 procstat_getgroups_sysctl(pid_t pid, unsigned int *cntp)
1990 mib[2] = KERN_PROC_GROUPS;
1992 len = (sysconf(_SC_NGROUPS_MAX) + 1) * sizeof(gid_t);
1993 groups = malloc(len);
1994 if (groups == NULL) {
1995 warn("malloc(%zu)", len);
1998 if (sysctl(mib, nitems(mib), groups, &len, NULL, 0) == -1) {
1999 warn("sysctl: kern.proc.groups: %d", pid);
2003 *cntp = len / sizeof(gid_t);
2008 procstat_getgroups_core(struct procstat_core *core, unsigned int *cntp)
2013 groups = procstat_core_get(core, PSC_TYPE_GROUPS, NULL, &len);
2016 *cntp = len / sizeof(gid_t);
2021 procstat_getgroups(struct procstat *procstat, struct kinfo_proc *kp,
2024 switch(procstat->type) {
2026 return (procstat_getgroups_kvm(procstat->kd, kp, cntp));
2027 case PROCSTAT_SYSCTL:
2028 return (procstat_getgroups_sysctl(kp->ki_pid, cntp));
2030 return (procstat_getgroups_core(procstat->core, cntp));
2032 warnx("unknown access method: %d", procstat->type);
2038 procstat_freegroups(struct procstat *procstat __unused, gid_t *groups)
2045 procstat_getumask_kvm(kvm_t *kd, struct kinfo_proc *kp, unsigned short *maskp)
2051 if (kp->ki_fd == NULL)
2053 if (!kvm_read_all(kd, (unsigned long)kp->ki_fd, &fd, sizeof(fd))) {
2054 warnx("can't read filedesc at %p for pid %d", kp->ki_fd,
2058 *maskp = fd.fd_cmask;
2063 procstat_getumask_sysctl(pid_t pid, unsigned short *maskp)
2071 mib[2] = KERN_PROC_UMASK;
2073 len = sizeof(*maskp);
2074 error = sysctl(mib, nitems(mib), maskp, &len, NULL, 0);
2075 if (error != 0 && errno != ESRCH && errno != EPERM)
2076 warn("sysctl: kern.proc.umask: %d", pid);
2081 procstat_getumask_core(struct procstat_core *core, unsigned short *maskp)
2084 unsigned short *buf;
2086 buf = procstat_core_get(core, PSC_TYPE_UMASK, NULL, &len);
2089 if (len < sizeof(*maskp)) {
2099 procstat_getumask(struct procstat *procstat, struct kinfo_proc *kp,
2100 unsigned short *maskp)
2102 switch(procstat->type) {
2104 return (procstat_getumask_kvm(procstat->kd, kp, maskp));
2105 case PROCSTAT_SYSCTL:
2106 return (procstat_getumask_sysctl(kp->ki_pid, maskp));
2108 return (procstat_getumask_core(procstat->core, maskp));
2110 warnx("unknown access method: %d", procstat->type);
2116 procstat_getrlimit_kvm(kvm_t *kd, struct kinfo_proc *kp, int which,
2117 struct rlimit* rlimit)
2120 unsigned long offset;
2124 assert(which >= 0 && which < RLIM_NLIMITS);
2125 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
2127 warnx("can't read proc struct at %p for pid %d",
2128 kp->ki_paddr, kp->ki_pid);
2131 if (proc.p_limit == NULL)
2133 offset = (unsigned long)proc.p_limit + sizeof(struct rlimit) * which;
2134 if (!kvm_read_all(kd, offset, rlimit, sizeof(*rlimit))) {
2135 warnx("can't read rlimit struct at %p for pid %d",
2136 (void *)offset, kp->ki_pid);
2143 procstat_getrlimit_sysctl(pid_t pid, int which, struct rlimit* rlimit)
2149 name[1] = KERN_PROC;
2150 name[2] = KERN_PROC_RLIMIT;
2153 len = sizeof(struct rlimit);
2154 error = sysctl(name, nitems(name), rlimit, &len, NULL, 0);
2155 if (error < 0 && errno != ESRCH) {
2156 warn("sysctl: kern.proc.rlimit: %d", pid);
2159 if (error < 0 || len != sizeof(struct rlimit))
2165 procstat_getrlimit_core(struct procstat_core *core, int which,
2166 struct rlimit* rlimit)
2169 struct rlimit* rlimits;
2171 if (which < 0 || which >= RLIM_NLIMITS) {
2173 warn("getrlimit: which");
2176 rlimits = procstat_core_get(core, PSC_TYPE_RLIMIT, NULL, &len);
2177 if (rlimits == NULL)
2179 if (len < sizeof(struct rlimit) * RLIM_NLIMITS) {
2183 *rlimit = rlimits[which];
2188 procstat_getrlimit(struct procstat *procstat, struct kinfo_proc *kp, int which,
2189 struct rlimit* rlimit)
2191 switch(procstat->type) {
2193 return (procstat_getrlimit_kvm(procstat->kd, kp, which,
2195 case PROCSTAT_SYSCTL:
2196 return (procstat_getrlimit_sysctl(kp->ki_pid, which, rlimit));
2198 return (procstat_getrlimit_core(procstat->core, which, rlimit));
2200 warnx("unknown access method: %d", procstat->type);
2206 procstat_getpathname_sysctl(pid_t pid, char *pathname, size_t maxlen)
2212 name[1] = KERN_PROC;
2213 name[2] = KERN_PROC_PATHNAME;
2216 error = sysctl(name, nitems(name), pathname, &len, NULL, 0);
2217 if (error != 0 && errno != ESRCH)
2218 warn("sysctl: kern.proc.pathname: %d", pid);
2225 procstat_getpathname_core(struct procstat_core *core, char *pathname,
2228 struct kinfo_file *files;
2231 files = kinfo_getfile_core(core, &cnt);
2235 for (i = 0; i < cnt; i++) {
2236 if (files[i].kf_fd != KF_FD_TYPE_TEXT)
2238 strncpy(pathname, files[i].kf_path, maxlen);
2247 procstat_getpathname(struct procstat *procstat, struct kinfo_proc *kp,
2248 char *pathname, size_t maxlen)
2250 switch(procstat->type) {
2252 /* XXX: Return empty string. */
2256 case PROCSTAT_SYSCTL:
2257 return (procstat_getpathname_sysctl(kp->ki_pid, pathname,
2260 return (procstat_getpathname_core(procstat->core, pathname,
2263 warnx("unknown access method: %d", procstat->type);
2269 procstat_getosrel_kvm(kvm_t *kd, struct kinfo_proc *kp, int *osrelp)
2275 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
2277 warnx("can't read proc struct at %p for pid %d",
2278 kp->ki_paddr, kp->ki_pid);
2281 *osrelp = proc.p_osrel;
2286 procstat_getosrel_sysctl(pid_t pid, int *osrelp)
2292 name[1] = KERN_PROC;
2293 name[2] = KERN_PROC_OSREL;
2295 len = sizeof(*osrelp);
2296 error = sysctl(name, nitems(name), osrelp, &len, NULL, 0);
2297 if (error != 0 && errno != ESRCH)
2298 warn("sysctl: kern.proc.osrel: %d", pid);
2303 procstat_getosrel_core(struct procstat_core *core, int *osrelp)
2308 buf = procstat_core_get(core, PSC_TYPE_OSREL, NULL, &len);
2311 if (len < sizeof(*osrelp)) {
2321 procstat_getosrel(struct procstat *procstat, struct kinfo_proc *kp, int *osrelp)
2323 switch(procstat->type) {
2325 return (procstat_getosrel_kvm(procstat->kd, kp, osrelp));
2326 case PROCSTAT_SYSCTL:
2327 return (procstat_getosrel_sysctl(kp->ki_pid, osrelp));
2329 return (procstat_getosrel_core(procstat->core, osrelp));
2331 warnx("unknown access method: %d", procstat->type);
2336 #define PROC_AUXV_MAX 256
2338 #if __ELF_WORD_SIZE == 64
2339 static const char *elf32_sv_names[] = {
2345 is_elf32_sysctl(pid_t pid)
2349 static char sv_name[256];
2352 name[1] = KERN_PROC;
2353 name[2] = KERN_PROC_SV_NAME;
2355 len = sizeof(sv_name);
2356 error = sysctl(name, nitems(name), sv_name, &len, NULL, 0);
2357 if (error != 0 || len == 0)
2359 for (i = 0; i < sizeof(elf32_sv_names) / sizeof(*elf32_sv_names); i++) {
2360 if (strncmp(sv_name, elf32_sv_names[i], sizeof(sv_name)) == 0)
2366 static Elf_Auxinfo *
2367 procstat_getauxv32_sysctl(pid_t pid, unsigned int *cntp)
2370 Elf32_Auxinfo *auxv32;
2373 unsigned int i, count;
2377 name[1] = KERN_PROC;
2378 name[2] = KERN_PROC_AUXV;
2380 len = PROC_AUXV_MAX * sizeof(Elf32_Auxinfo);
2382 auxv32 = malloc(len);
2383 if (auxv32 == NULL) {
2384 warn("malloc(%zu)", len);
2387 if (sysctl(name, nitems(name), auxv32, &len, NULL, 0) == -1) {
2388 if (errno != ESRCH && errno != EPERM)
2389 warn("sysctl: kern.proc.auxv: %d: %d", pid, errno);
2392 count = len / sizeof(Elf_Auxinfo);
2393 auxv = malloc(count * sizeof(Elf_Auxinfo));
2395 warn("malloc(%zu)", count * sizeof(Elf_Auxinfo));
2398 for (i = 0; i < count; i++) {
2400 * XXX: We expect that values for a_type on a 32-bit platform
2401 * are directly mapped to values on 64-bit one, which is not
2404 auxv[i].a_type = auxv32[i].a_type;
2405 ptr = &auxv32[i].a_un;
2406 auxv[i].a_un.a_val = *((uint32_t *)ptr);
2413 #endif /* __ELF_WORD_SIZE == 64 */
2415 static Elf_Auxinfo *
2416 procstat_getauxv_sysctl(pid_t pid, unsigned int *cntp)
2422 #if __ELF_WORD_SIZE == 64
2423 if (is_elf32_sysctl(pid))
2424 return (procstat_getauxv32_sysctl(pid, cntp));
2427 name[1] = KERN_PROC;
2428 name[2] = KERN_PROC_AUXV;
2430 len = PROC_AUXV_MAX * sizeof(Elf_Auxinfo);
2433 warn("malloc(%zu)", len);
2436 if (sysctl(name, nitems(name), auxv, &len, NULL, 0) == -1) {
2437 if (errno != ESRCH && errno != EPERM)
2438 warn("sysctl: kern.proc.auxv: %d: %d", pid, errno);
2442 *cntp = len / sizeof(Elf_Auxinfo);
2446 static Elf_Auxinfo *
2447 procstat_getauxv_core(struct procstat_core *core, unsigned int *cntp)
2452 auxv = procstat_core_get(core, PSC_TYPE_AUXV, NULL, &len);
2455 *cntp = len / sizeof(Elf_Auxinfo);
2460 procstat_getauxv(struct procstat *procstat, struct kinfo_proc *kp,
2463 switch(procstat->type) {
2465 warnx("kvm method is not supported");
2467 case PROCSTAT_SYSCTL:
2468 return (procstat_getauxv_sysctl(kp->ki_pid, cntp));
2470 return (procstat_getauxv_core(procstat->core, cntp));
2472 warnx("unknown access method: %d", procstat->type);
2478 procstat_freeauxv(struct procstat *procstat __unused, Elf_Auxinfo *auxv)
2484 static struct ptrace_lwpinfo *
2485 procstat_getptlwpinfo_core(struct procstat_core *core, unsigned int *cntp)
2488 struct ptrace_lwpinfo *pl;
2492 cnt = procstat_core_note_count(core, PSC_TYPE_PTLWPINFO);
2496 len = cnt * sizeof(*pl);
2497 buf = calloc(1, len);
2498 pl = procstat_core_get(core, PSC_TYPE_PTLWPINFO, buf, &len);
2503 *cntp = len / sizeof(*pl);
2507 struct ptrace_lwpinfo *
2508 procstat_getptlwpinfo(struct procstat *procstat, unsigned int *cntp)
2510 switch (procstat->type) {
2512 return (procstat_getptlwpinfo_core(procstat->core, cntp));
2514 warnx("unknown access method: %d", procstat->type);
2520 procstat_freeptlwpinfo(struct procstat *procstat __unused,
2521 struct ptrace_lwpinfo *pl)
2526 static struct kinfo_kstack *
2527 procstat_getkstack_sysctl(pid_t pid, int *cntp)
2529 struct kinfo_kstack *kkstp;
2534 name[1] = KERN_PROC;
2535 name[2] = KERN_PROC_KSTACK;
2539 error = sysctl(name, nitems(name), NULL, &len, NULL, 0);
2540 if (error < 0 && errno != ESRCH && errno != EPERM && errno != ENOENT) {
2541 warn("sysctl: kern.proc.kstack: %d", pid);
2544 if (error == -1 && errno == ENOENT) {
2545 warnx("sysctl: kern.proc.kstack unavailable"
2546 " (options DDB or options STACK required in kernel)");
2551 kkstp = malloc(len);
2552 if (kkstp == NULL) {
2553 warn("malloc(%zu)", len);
2556 if (sysctl(name, nitems(name), kkstp, &len, NULL, 0) == -1) {
2557 warn("sysctl: kern.proc.pid: %d", pid);
2561 *cntp = len / sizeof(*kkstp);
2566 struct kinfo_kstack *
2567 procstat_getkstack(struct procstat *procstat, struct kinfo_proc *kp,
2570 switch(procstat->type) {
2572 warnx("kvm method is not supported");
2574 case PROCSTAT_SYSCTL:
2575 return (procstat_getkstack_sysctl(kp->ki_pid, cntp));
2577 warnx("core method is not supported");
2580 warnx("unknown access method: %d", procstat->type);
2586 procstat_freekstack(struct procstat *procstat __unused,
2587 struct kinfo_kstack *kkstp)