2 * SPDX-License-Identifier: BSD-4-Clause
4 * Copyright (c) 2017 Dell EMC
5 * Copyright (c) 2009 Stanislav Sedov <stas@FreeBSD.org>
6 * Copyright (c) 1988, 1993
7 * The Regents of the University of California. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the University of
20 * California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 #include <sys/cdefs.h>
39 #include <sys/param.h>
42 #include <sys/resourcevar.h>
44 #include <sys/ucred.h>
49 #include <sys/vnode.h>
50 #include <sys/socket.h>
52 #include <sys/socketvar.h>
53 #include <sys/domain.h>
54 #include <sys/protosw.h>
57 #include <sys/unpcb.h>
58 #include <sys/sysctl.h>
60 #include <sys/filedesc.h>
61 #include <sys/queue.h>
67 #include <sys/capsicum.h>
68 #include <sys/ptrace.h>
70 #include <sys/mount.h>
71 #include <sys/filedesc.h>
73 #include <fs/devfs/devfs.h>
74 #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>
88 #include <netinet/in_pcb.h>
106 #include <libprocstat.h>
107 #include "libprocstat_internal.h"
108 #include "common_kvm.h"
111 int statfs(const char *, struct statfs *); /* XXX */
113 #define PROCSTAT_KVM 1
114 #define PROCSTAT_SYSCTL 2
115 #define PROCSTAT_CORE 3
117 static char **getargv(struct procstat *procstat, struct kinfo_proc *kp,
118 size_t nchr, int env);
119 static char *getmnton(kvm_t *kd, struct mount *m);
120 static struct kinfo_vmentry * kinfo_getvmmap_core(struct procstat_core *core,
122 static Elf_Auxinfo *procstat_getauxv_core(struct procstat_core *core,
124 static Elf_Auxinfo *procstat_getauxv_sysctl(pid_t pid, unsigned int *cntp);
125 static struct filestat_list *procstat_getfiles_kvm(
126 struct procstat *procstat, struct kinfo_proc *kp, int mmapped);
127 static struct filestat_list *procstat_getfiles_sysctl(
128 struct procstat *procstat, struct kinfo_proc *kp, int mmapped);
129 static int procstat_get_pipe_info_sysctl(struct filestat *fst,
130 struct pipestat *pipe, char *errbuf);
131 static int procstat_get_pipe_info_kvm(kvm_t *kd, struct filestat *fst,
132 struct pipestat *pipe, char *errbuf);
133 static int procstat_get_pts_info_sysctl(struct filestat *fst,
134 struct ptsstat *pts, char *errbuf);
135 static int procstat_get_pts_info_kvm(kvm_t *kd, struct filestat *fst,
136 struct ptsstat *pts, char *errbuf);
137 static int procstat_get_sem_info_sysctl(struct filestat *fst,
138 struct semstat *sem, char *errbuf);
139 static int procstat_get_sem_info_kvm(kvm_t *kd, struct filestat *fst,
140 struct semstat *sem, char *errbuf);
141 static int procstat_get_shm_info_sysctl(struct filestat *fst,
142 struct shmstat *shm, char *errbuf);
143 static int procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst,
144 struct shmstat *shm, char *errbuf);
145 static int procstat_get_socket_info_sysctl(struct filestat *fst,
146 struct sockstat *sock, char *errbuf);
147 static int procstat_get_socket_info_kvm(kvm_t *kd, struct filestat *fst,
148 struct sockstat *sock, char *errbuf);
149 static int to_filestat_flags(int flags);
150 static int procstat_get_vnode_info_kvm(kvm_t *kd, struct filestat *fst,
151 struct vnstat *vn, char *errbuf);
152 static int procstat_get_vnode_info_sysctl(struct filestat *fst,
153 struct vnstat *vn, char *errbuf);
154 static gid_t *procstat_getgroups_core(struct procstat_core *core,
155 unsigned int *count);
156 static gid_t * procstat_getgroups_kvm(kvm_t *kd, struct kinfo_proc *kp,
157 unsigned int *count);
158 static gid_t *procstat_getgroups_sysctl(pid_t pid, unsigned int *count);
159 static struct kinfo_kstack *procstat_getkstack_sysctl(pid_t pid,
161 static int procstat_getosrel_core(struct procstat_core *core,
163 static int procstat_getosrel_kvm(kvm_t *kd, struct kinfo_proc *kp,
165 static int procstat_getosrel_sysctl(pid_t pid, int *osrelp);
166 static int procstat_getpathname_core(struct procstat_core *core,
167 char *pathname, size_t maxlen);
168 static int procstat_getpathname_sysctl(pid_t pid, char *pathname,
170 static int procstat_getrlimit_core(struct procstat_core *core, int which,
171 struct rlimit* rlimit);
172 static int procstat_getrlimit_kvm(kvm_t *kd, struct kinfo_proc *kp,
173 int which, struct rlimit* rlimit);
174 static int procstat_getrlimit_sysctl(pid_t pid, int which,
175 struct rlimit* rlimit);
176 static int procstat_getumask_core(struct procstat_core *core,
177 unsigned short *maskp);
178 static int procstat_getumask_kvm(kvm_t *kd, struct kinfo_proc *kp,
179 unsigned short *maskp);
180 static int procstat_getumask_sysctl(pid_t pid, unsigned short *maskp);
181 static int vntype2psfsttype(int type);
184 procstat_close(struct procstat *procstat)
188 if (procstat->type == PROCSTAT_KVM)
189 kvm_close(procstat->kd);
190 else if (procstat->type == PROCSTAT_CORE)
191 procstat_core_close(procstat->core);
192 procstat_freeargv(procstat);
193 procstat_freeenvv(procstat);
198 procstat_open_sysctl(void)
200 struct procstat *procstat;
202 procstat = calloc(1, sizeof(*procstat));
203 if (procstat == NULL) {
207 procstat->type = PROCSTAT_SYSCTL;
212 procstat_open_kvm(const char *nlistf, const char *memf)
214 struct procstat *procstat;
216 char buf[_POSIX2_LINE_MAX];
218 procstat = calloc(1, sizeof(*procstat));
219 if (procstat == NULL) {
223 kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf);
225 warnx("kvm_openfiles(): %s", buf);
229 procstat->type = PROCSTAT_KVM;
235 procstat_open_core(const char *filename)
237 struct procstat *procstat;
238 struct procstat_core *core;
240 procstat = calloc(1, sizeof(*procstat));
241 if (procstat == NULL) {
245 core = procstat_core_open(filename);
250 procstat->type = PROCSTAT_CORE;
251 procstat->core = core;
256 procstat_getprocs(struct procstat *procstat, int what, int arg,
259 struct kinfo_proc *p0, *p;
268 if (procstat->type == PROCSTAT_KVM) {
270 p0 = kvm_getprocs(procstat->kd, what, arg, &cnt);
271 if (p0 == NULL || cnt <= 0)
274 len = *count * sizeof(*p);
277 warnx("malloc(%zu)", len);
282 } else if (procstat->type == PROCSTAT_SYSCTL) {
288 error = sysctl(name, nitems(name), NULL, &len, NULL, 0);
289 if (error < 0 && errno != EPERM) {
290 warn("sysctl(kern.proc)");
294 warnx("no processes?");
299 p = reallocf(p, len);
301 warnx("reallocf(%zu)", len);
305 error = sysctl(name, nitems(name), p, &len, NULL, 0);
306 } while (error < 0 && errno == ENOMEM && olen == len);
307 if (error < 0 && errno != EPERM) {
308 warn("sysctl(kern.proc)");
311 /* Perform simple consistency checks. */
312 if ((len % sizeof(*p)) != 0 || p->ki_structsize != sizeof(*p)) {
313 warnx("kinfo_proc structure size mismatch (len = %zu)", len);
316 *count = len / sizeof(*p);
318 } else if (procstat->type == PROCSTAT_CORE) {
319 p = procstat_core_get(procstat->core, PSC_TYPE_PROC, NULL,
321 if ((len % sizeof(*p)) != 0 || p->ki_structsize != sizeof(*p)) {
322 warnx("kinfo_proc structure size mismatch");
325 *count = len / sizeof(*p);
328 warnx("unknown access method: %d", procstat->type);
338 procstat_freeprocs(struct procstat *procstat __unused, struct kinfo_proc *p)
346 struct filestat_list *
347 procstat_getfiles(struct procstat *procstat, struct kinfo_proc *kp, int mmapped)
350 switch (procstat->type) {
352 return (procstat_getfiles_kvm(procstat, kp, mmapped));
353 case PROCSTAT_SYSCTL:
355 return (procstat_getfiles_sysctl(procstat, kp, mmapped));
357 warnx("unknown access method: %d", procstat->type);
363 procstat_freefiles(struct procstat *procstat, struct filestat_list *head)
365 struct filestat *fst, *tmp;
367 STAILQ_FOREACH_SAFE(fst, head, next, tmp) {
368 if (fst->fs_path != NULL)
373 if (procstat->vmentries != NULL) {
374 free(procstat->vmentries);
375 procstat->vmentries = NULL;
377 if (procstat->files != NULL) {
378 free(procstat->files);
379 procstat->files = NULL;
383 static struct filestat *
384 filestat_new_entry(void *typedep, int type, int fd, int fflags, int uflags,
385 int refcount, off_t offset, char *path, cap_rights_t *cap_rightsp)
387 struct filestat *entry;
389 entry = calloc(1, sizeof(*entry));
394 entry->fs_typedep = typedep;
395 entry->fs_fflags = fflags;
396 entry->fs_uflags = uflags;
398 entry->fs_type = type;
399 entry->fs_ref_count = refcount;
400 entry->fs_offset = offset;
401 entry->fs_path = path;
402 if (cap_rightsp != NULL)
403 entry->fs_cap_rights = *cap_rightsp;
405 cap_rights_init(&entry->fs_cap_rights);
409 static struct vnode *
410 getctty(kvm_t *kd, struct kinfo_proc *kp)
418 error = kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
421 warnx("can't read proc struct at %p for pid %d",
422 kp->ki_paddr, kp->ki_pid);
425 if (proc.p_pgrp == NULL)
427 error = kvm_read_all(kd, (unsigned long)proc.p_pgrp, &pgrp,
430 warnx("can't read pgrp struct at %p for pid %d",
431 proc.p_pgrp, kp->ki_pid);
434 error = kvm_read_all(kd, (unsigned long)pgrp.pg_session, &sess,
437 warnx("can't read session struct at %p for pid %d",
438 pgrp.pg_session, kp->ki_pid);
441 return (sess.s_ttyvp);
445 procstat_vm_map_reader(void *token, vm_map_entry_t addr, vm_map_entry_t dest)
450 return (kvm_read_all(kd, (unsigned long)addr, dest, sizeof(*dest)));
453 static struct filestat_list *
454 procstat_getfiles_kvm(struct procstat *procstat, struct kinfo_proc *kp, int mmapped)
457 struct filedesc filed;
458 struct pwddesc pathsd;
459 struct fdescenttbl *fdt;
461 unsigned long pwd_addr;
462 struct vm_map_entry vmentry;
463 struct vm_object object;
464 struct vmspace vmspace;
465 vm_map_entry_t entryp;
468 struct filestat *entry;
469 struct filestat_list *head;
483 if (kp->ki_fd == NULL || kp->ki_pd == NULL)
485 if (!kvm_read_all(kd, (unsigned long)kp->ki_fd, &filed,
487 warnx("can't read filedesc at %p", (void *)kp->ki_fd);
490 if (!kvm_read_all(kd, (unsigned long)kp->ki_pd, &pathsd,
492 warnx("can't read pwddesc at %p", (void *)kp->ki_pd);
496 pwd_addr = (unsigned long)(PWDDESC_KVM_LOAD_PWD(&pathsd));
498 if (!kvm_read_all(kd, pwd_addr, &pwd, sizeof(pwd))) {
499 warnx("can't read fd_pwd at %p", (void *)pwd_addr);
506 * Allocate list head.
508 head = malloc(sizeof(*head));
513 /* root directory vnode, if one. */
516 entry = filestat_new_entry(pwd.pwd_rdir, PS_FST_TYPE_VNODE, -1,
517 PS_FST_FFLAG_READ, PS_FST_UFLAG_RDIR, 0, 0, NULL, NULL);
519 STAILQ_INSERT_TAIL(head, entry, next);
521 /* current working directory vnode. */
523 entry = filestat_new_entry(pwd.pwd_cdir, PS_FST_TYPE_VNODE, -1,
524 PS_FST_FFLAG_READ, PS_FST_UFLAG_CDIR, 0, 0, NULL, NULL);
526 STAILQ_INSERT_TAIL(head, entry, next);
528 /* jail root, if any. */
530 entry = filestat_new_entry(pwd.pwd_jdir, PS_FST_TYPE_VNODE, -1,
531 PS_FST_FFLAG_READ, PS_FST_UFLAG_JAIL, 0, 0, NULL, NULL);
533 STAILQ_INSERT_TAIL(head, entry, next);
536 /* ktrace vnode, if one */
538 entry = filestat_new_entry(kp->ki_tracep, PS_FST_TYPE_VNODE, -1,
539 PS_FST_FFLAG_READ | PS_FST_FFLAG_WRITE,
540 PS_FST_UFLAG_TRACE, 0, 0, NULL, NULL);
542 STAILQ_INSERT_TAIL(head, entry, next);
544 /* text vnode, if one */
546 entry = filestat_new_entry(kp->ki_textvp, PS_FST_TYPE_VNODE, -1,
547 PS_FST_FFLAG_READ, PS_FST_UFLAG_TEXT, 0, 0, NULL, NULL);
549 STAILQ_INSERT_TAIL(head, entry, next);
551 /* Controlling terminal. */
552 if ((vp = getctty(kd, kp)) != NULL) {
553 entry = filestat_new_entry(vp, PS_FST_TYPE_VNODE, -1,
554 PS_FST_FFLAG_READ | PS_FST_FFLAG_WRITE,
555 PS_FST_UFLAG_CTTY, 0, 0, NULL, NULL);
557 STAILQ_INSERT_TAIL(head, entry, next);
560 if (!kvm_read_all(kd, (unsigned long)filed.fd_files, &nfiles,
562 warnx("can't read fd_files at %p", (void *)filed.fd_files);
566 fdt_size = sizeof(*fdt) + nfiles * sizeof(struct filedescent);
567 fdt = malloc(fdt_size);
569 warn("malloc(%zu)", fdt_size);
572 if (!kvm_read_all(kd, (unsigned long)filed.fd_files, fdt, fdt_size)) {
573 warnx("cannot read file structures at %p", (void *)filed.fd_files);
577 for (i = 0; i < nfiles; i++) {
578 if (fdt->fdt_ofiles[i].fde_file == NULL) {
581 if (!kvm_read_all(kd, (unsigned long)fdt->fdt_ofiles[i].fde_file, &file,
582 sizeof(struct file))) {
583 warnx("can't read file %d at %p", i,
584 (void *)fdt->fdt_ofiles[i].fde_file);
587 switch (file.f_type) {
589 type = PS_FST_TYPE_VNODE;
593 type = PS_FST_TYPE_SOCKET;
597 type = PS_FST_TYPE_PIPE;
601 type = PS_FST_TYPE_FIFO;
606 type = PS_FST_TYPE_PTS;
611 type = PS_FST_TYPE_SEM;
615 type = PS_FST_TYPE_SHM;
619 type = PS_FST_TYPE_PROCDESC;
623 type = PS_FST_TYPE_DEV;
627 type = PS_FST_TYPE_EVENTFD;
633 /* XXXRW: No capability rights support for kvm yet. */
634 entry = filestat_new_entry(data, type, i,
635 to_filestat_flags(file.f_flag), 0, 0, 0, NULL, NULL);
637 STAILQ_INSERT_TAIL(head, entry, next);
644 * Process mmapped files if requested.
647 if (!kvm_read_all(kd, (unsigned long)kp->ki_vmspace, &vmspace,
649 warnx("can't read vmspace at %p",
650 (void *)kp->ki_vmspace);
654 vmentry = vmspace.vm_map.header;
655 for (entryp = vm_map_entry_read_succ(kd, &vmentry, procstat_vm_map_reader);
656 entryp != NULL && entryp != &kp->ki_vmspace->vm_map.header;
657 entryp = vm_map_entry_read_succ(kd, &vmentry, procstat_vm_map_reader)) {
658 if (vmentry.eflags & MAP_ENTRY_IS_SUB_MAP)
660 if ((objp = vmentry.object.vm_object) == NULL)
662 for (; objp; objp = object.backing_object) {
663 if (!kvm_read_all(kd, (unsigned long)objp,
664 &object, sizeof(object))) {
665 warnx("can't read vm_object at %p",
671 /* We want only vnode objects. */
672 if (object.type != OBJT_VNODE)
675 prot = vmentry.protection;
677 if (prot & VM_PROT_READ)
678 fflags = PS_FST_FFLAG_READ;
679 if ((vmentry.eflags & MAP_ENTRY_COW) == 0 &&
680 prot & VM_PROT_WRITE)
681 fflags |= PS_FST_FFLAG_WRITE;
684 * Create filestat entry.
686 entry = filestat_new_entry(object.handle,
687 PS_FST_TYPE_VNODE, -1, fflags,
688 PS_FST_UFLAG_MMAP, 0, 0, NULL, NULL);
690 STAILQ_INSERT_TAIL(head, entry, next);
693 warnx("can't read vm_map_entry");
700 * kinfo types to filestat translation.
703 kinfo_type2fst(int kftype)
709 { KF_TYPE_PROCDESC, PS_FST_TYPE_PROCDESC },
710 { KF_TYPE_DEV, PS_FST_TYPE_DEV },
711 { KF_TYPE_FIFO, PS_FST_TYPE_FIFO },
712 { KF_TYPE_KQUEUE, PS_FST_TYPE_KQUEUE },
713 { KF_TYPE_MQUEUE, PS_FST_TYPE_MQUEUE },
714 { KF_TYPE_NONE, PS_FST_TYPE_NONE },
715 { KF_TYPE_PIPE, PS_FST_TYPE_PIPE },
716 { KF_TYPE_PTS, PS_FST_TYPE_PTS },
717 { KF_TYPE_SEM, PS_FST_TYPE_SEM },
718 { KF_TYPE_SHM, PS_FST_TYPE_SHM },
719 { KF_TYPE_SOCKET, PS_FST_TYPE_SOCKET },
720 { KF_TYPE_VNODE, PS_FST_TYPE_VNODE },
721 { KF_TYPE_EVENTFD, PS_FST_TYPE_EVENTFD },
722 { KF_TYPE_UNKNOWN, PS_FST_TYPE_UNKNOWN }
724 #define NKFTYPES (sizeof(kftypes2fst) / sizeof(*kftypes2fst))
727 for (i = 0; i < NKFTYPES; i++)
728 if (kftypes2fst[i].kf_type == kftype)
731 return (PS_FST_TYPE_UNKNOWN);
732 return (kftypes2fst[i].fst_type);
736 * kinfo flags to filestat translation.
739 kinfo_fflags2fst(int kfflags)
745 { KF_FLAG_APPEND, PS_FST_FFLAG_APPEND },
746 { KF_FLAG_ASYNC, PS_FST_FFLAG_ASYNC },
747 { KF_FLAG_CREAT, PS_FST_FFLAG_CREAT },
748 { KF_FLAG_DIRECT, PS_FST_FFLAG_DIRECT },
749 { KF_FLAG_EXCL, PS_FST_FFLAG_EXCL },
750 { KF_FLAG_EXEC, PS_FST_FFLAG_EXEC },
751 { KF_FLAG_EXLOCK, PS_FST_FFLAG_EXLOCK },
752 { KF_FLAG_FSYNC, PS_FST_FFLAG_SYNC },
753 { KF_FLAG_HASLOCK, PS_FST_FFLAG_HASLOCK },
754 { KF_FLAG_NOFOLLOW, PS_FST_FFLAG_NOFOLLOW },
755 { KF_FLAG_NONBLOCK, PS_FST_FFLAG_NONBLOCK },
756 { KF_FLAG_READ, PS_FST_FFLAG_READ },
757 { KF_FLAG_SHLOCK, PS_FST_FFLAG_SHLOCK },
758 { KF_FLAG_TRUNC, PS_FST_FFLAG_TRUNC },
759 { KF_FLAG_WRITE, PS_FST_FFLAG_WRITE }
761 #define NKFFLAGS (sizeof(kfflags2fst) / sizeof(*kfflags2fst))
766 for (i = 0; i < NKFFLAGS; i++)
767 if ((kfflags & kfflags2fst[i].kf_flag) != 0)
768 flags |= kfflags2fst[i].fst_flag;
773 kinfo_uflags2fst(int fd)
777 case KF_FD_TYPE_CTTY:
778 return (PS_FST_UFLAG_CTTY);
780 return (PS_FST_UFLAG_CDIR);
781 case KF_FD_TYPE_JAIL:
782 return (PS_FST_UFLAG_JAIL);
783 case KF_FD_TYPE_TEXT:
784 return (PS_FST_UFLAG_TEXT);
785 case KF_FD_TYPE_TRACE:
786 return (PS_FST_UFLAG_TRACE);
787 case KF_FD_TYPE_ROOT:
788 return (PS_FST_UFLAG_RDIR);
793 static struct kinfo_file *
794 kinfo_getfile_core(struct procstat_core *core, int *cntp)
799 struct kinfo_file *kif, *kp, *kf;
801 buf = procstat_core_get(core, PSC_TYPE_FILES, NULL, &len);
805 * XXXMG: The code below is just copy&past from libutil.
806 * The code duplication can be avoided if libutil
807 * is extended to provide something like:
808 * struct kinfo_file *kinfo_getfile_from_buf(const char *buf,
809 * size_t len, int *cntp);
812 /* Pass 1: count items */
817 kf = (struct kinfo_file *)(uintptr_t)bp;
818 if (kf->kf_structsize == 0)
820 bp += kf->kf_structsize;
824 kif = calloc(cnt, sizeof(*kif));
834 kf = (struct kinfo_file *)(uintptr_t)bp;
835 if (kf->kf_structsize == 0)
837 /* Copy/expand into pre-zeroed buffer */
838 memcpy(kp, kf, kf->kf_structsize);
839 /* Advance to next packed record */
840 bp += kf->kf_structsize;
841 /* Set field size to fixed length, advance */
842 kp->kf_structsize = sizeof(*kp);
847 return (kif); /* Caller must free() return value */
850 static struct filestat_list *
851 procstat_getfiles_sysctl(struct procstat *procstat, struct kinfo_proc *kp,
854 struct kinfo_file *kif, *files;
855 struct kinfo_vmentry *kve, *vmentries;
856 struct filestat_list *head;
857 struct filestat *entry;
863 cap_rights_t cap_rights;
866 switch (procstat->type) {
867 case PROCSTAT_SYSCTL:
868 files = kinfo_getfile(kp->ki_pid, &cnt);
871 files = kinfo_getfile_core(procstat->core, &cnt);
874 assert(!"invalid type");
876 if (files == NULL && errno != EPERM) {
877 warn("kinfo_getfile()");
880 procstat->files = files;
883 * Allocate list head.
885 head = malloc(sizeof(*head));
889 for (i = 0; i < cnt; i++) {
892 type = kinfo_type2fst(kif->kf_type);
893 fd = kif->kf_fd >= 0 ? kif->kf_fd : -1;
894 fflags = kinfo_fflags2fst(kif->kf_flags);
895 uflags = kinfo_uflags2fst(kif->kf_fd);
896 refcount = kif->kf_ref_count;
897 offset = kif->kf_offset;
898 if (*kif->kf_path != '\0')
899 path = strdup(kif->kf_path);
902 cap_rights = kif->kf_cap_rights;
905 * Create filestat entry.
907 entry = filestat_new_entry(kif, type, fd, fflags, uflags,
908 refcount, offset, path, &cap_rights);
910 STAILQ_INSERT_TAIL(head, entry, next);
913 vmentries = procstat_getvmmap(procstat, kp, &cnt);
914 procstat->vmentries = vmentries;
915 if (vmentries == NULL || cnt == 0)
917 for (i = 0; i < cnt; i++) {
919 if (kve->kve_type != KVME_TYPE_VNODE)
922 if (kve->kve_protection & KVME_PROT_READ)
923 fflags = PS_FST_FFLAG_READ;
924 if ((kve->kve_flags & KVME_FLAG_COW) == 0 &&
925 kve->kve_protection & KVME_PROT_WRITE)
926 fflags |= PS_FST_FFLAG_WRITE;
927 offset = kve->kve_offset;
928 refcount = kve->kve_ref_count;
929 if (*kve->kve_path != '\0')
930 path = strdup(kve->kve_path);
933 entry = filestat_new_entry(kve, PS_FST_TYPE_VNODE, -1,
934 fflags, PS_FST_UFLAG_MMAP, refcount, offset, path,
937 STAILQ_INSERT_TAIL(head, entry, next);
945 procstat_get_pipe_info(struct procstat *procstat, struct filestat *fst,
946 struct pipestat *ps, char *errbuf)
950 if (procstat->type == PROCSTAT_KVM) {
951 return (procstat_get_pipe_info_kvm(procstat->kd, fst, ps,
953 } else if (procstat->type == PROCSTAT_SYSCTL ||
954 procstat->type == PROCSTAT_CORE) {
955 return (procstat_get_pipe_info_sysctl(fst, ps, errbuf));
957 warnx("unknown access method: %d", procstat->type);
959 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
965 procstat_get_pipe_info_kvm(kvm_t *kd, struct filestat *fst,
966 struct pipestat *ps, char *errbuf)
974 bzero(ps, sizeof(*ps));
975 pipep = fst->fs_typedep;
978 if (!kvm_read_all(kd, (unsigned long)pipep, &pi, sizeof(struct pipe))) {
979 warnx("can't read pipe at %p", (void *)pipep);
982 ps->addr = (uintptr_t)pipep;
983 ps->peer = (uintptr_t)pi.pipe_peer;
984 ps->buffer_cnt = pi.pipe_buffer.cnt;
989 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
994 procstat_get_pipe_info_sysctl(struct filestat *fst, struct pipestat *ps,
995 char *errbuf __unused)
997 struct kinfo_file *kif;
1001 bzero(ps, sizeof(*ps));
1002 kif = fst->fs_typedep;
1005 ps->addr = kif->kf_un.kf_pipe.kf_pipe_addr;
1006 ps->peer = kif->kf_un.kf_pipe.kf_pipe_peer;
1007 ps->buffer_cnt = kif->kf_un.kf_pipe.kf_pipe_buffer_cnt;
1012 procstat_get_pts_info(struct procstat *procstat, struct filestat *fst,
1013 struct ptsstat *pts, char *errbuf)
1017 if (procstat->type == PROCSTAT_KVM) {
1018 return (procstat_get_pts_info_kvm(procstat->kd, fst, pts,
1020 } else if (procstat->type == PROCSTAT_SYSCTL ||
1021 procstat->type == PROCSTAT_CORE) {
1022 return (procstat_get_pts_info_sysctl(fst, pts, errbuf));
1024 warnx("unknown access method: %d", procstat->type);
1026 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1032 procstat_get_pts_info_kvm(kvm_t *kd, struct filestat *fst,
1033 struct ptsstat *pts, char *errbuf)
1041 bzero(pts, sizeof(*pts));
1042 ttyp = fst->fs_typedep;
1045 if (!kvm_read_all(kd, (unsigned long)ttyp, &tty, sizeof(struct tty))) {
1046 warnx("can't read tty at %p", (void *)ttyp);
1049 pts->dev = dev2udev(kd, tty.t_dev);
1050 (void)kdevtoname(kd, tty.t_dev, pts->devname);
1055 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1060 procstat_get_pts_info_sysctl(struct filestat *fst, struct ptsstat *pts,
1061 char *errbuf __unused)
1063 struct kinfo_file *kif;
1067 bzero(pts, sizeof(*pts));
1068 kif = fst->fs_typedep;
1071 pts->dev = kif->kf_un.kf_pts.kf_pts_dev;
1072 strlcpy(pts->devname, kif->kf_path, sizeof(pts->devname));
1077 procstat_get_sem_info(struct procstat *procstat, struct filestat *fst,
1078 struct semstat *sem, char *errbuf)
1082 if (procstat->type == PROCSTAT_KVM) {
1083 return (procstat_get_sem_info_kvm(procstat->kd, fst, sem,
1085 } else if (procstat->type == PROCSTAT_SYSCTL ||
1086 procstat->type == PROCSTAT_CORE) {
1087 return (procstat_get_sem_info_sysctl(fst, sem, errbuf));
1089 warnx("unknown access method: %d", procstat->type);
1091 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1097 procstat_get_sem_info_kvm(kvm_t *kd, struct filestat *fst,
1098 struct semstat *sem, char *errbuf)
1108 bzero(sem, sizeof(*sem));
1109 ksemp = fst->fs_typedep;
1112 if (!kvm_read_all(kd, (unsigned long)ksemp, &ksem,
1113 sizeof(struct ksem))) {
1114 warnx("can't read ksem at %p", (void *)ksemp);
1117 sem->mode = S_IFREG | ksem.ks_mode;
1118 sem->value = ksem.ks_value;
1119 if (fst->fs_path == NULL && ksem.ks_path != NULL) {
1120 path = malloc(MAXPATHLEN);
1121 for (i = 0; i < MAXPATHLEN - 1; i++) {
1122 if (!kvm_read_all(kd, (unsigned long)ksem.ks_path + i,
1125 if (path[i] == '\0')
1132 fst->fs_path = path;
1138 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1143 procstat_get_sem_info_sysctl(struct filestat *fst, struct semstat *sem,
1144 char *errbuf __unused)
1146 struct kinfo_file *kif;
1150 bzero(sem, sizeof(*sem));
1151 kif = fst->fs_typedep;
1154 sem->value = kif->kf_un.kf_sem.kf_sem_value;
1155 sem->mode = kif->kf_un.kf_sem.kf_sem_mode;
1160 procstat_get_shm_info(struct procstat *procstat, struct filestat *fst,
1161 struct shmstat *shm, char *errbuf)
1165 if (procstat->type == PROCSTAT_KVM) {
1166 return (procstat_get_shm_info_kvm(procstat->kd, fst, shm,
1168 } else if (procstat->type == PROCSTAT_SYSCTL ||
1169 procstat->type == PROCSTAT_CORE) {
1170 return (procstat_get_shm_info_sysctl(fst, shm, errbuf));
1172 warnx("unknown access method: %d", procstat->type);
1174 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1180 procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst,
1181 struct shmstat *shm, char *errbuf)
1191 bzero(shm, sizeof(*shm));
1192 shmfdp = fst->fs_typedep;
1195 if (!kvm_read_all(kd, (unsigned long)shmfdp, &shmfd,
1196 sizeof(struct shmfd))) {
1197 warnx("can't read shmfd at %p", (void *)shmfdp);
1200 shm->mode = S_IFREG | shmfd.shm_mode;
1201 shm->size = shmfd.shm_size;
1202 if (fst->fs_path == NULL && shmfd.shm_path != NULL) {
1203 path = malloc(MAXPATHLEN);
1204 for (i = 0; i < MAXPATHLEN - 1; i++) {
1205 if (!kvm_read_all(kd, (unsigned long)shmfd.shm_path + i,
1208 if (path[i] == '\0')
1215 fst->fs_path = path;
1221 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1226 procstat_get_shm_info_sysctl(struct filestat *fst, struct shmstat *shm,
1227 char *errbuf __unused)
1229 struct kinfo_file *kif;
1233 bzero(shm, sizeof(*shm));
1234 kif = fst->fs_typedep;
1237 shm->size = kif->kf_un.kf_file.kf_file_size;
1238 shm->mode = kif->kf_un.kf_file.kf_file_mode;
1243 procstat_get_vnode_info(struct procstat *procstat, struct filestat *fst,
1244 struct vnstat *vn, char *errbuf)
1248 if (procstat->type == PROCSTAT_KVM) {
1249 return (procstat_get_vnode_info_kvm(procstat->kd, fst, vn,
1251 } else if (procstat->type == PROCSTAT_SYSCTL ||
1252 procstat->type == PROCSTAT_CORE) {
1253 return (procstat_get_vnode_info_sysctl(fst, vn, errbuf));
1255 warnx("unknown access method: %d", procstat->type);
1257 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1263 procstat_get_vnode_info_kvm(kvm_t *kd, struct filestat *fst,
1264 struct vnstat *vn, char *errbuf)
1266 /* Filesystem specific handlers. */
1267 #define FSTYPE(fst) {#fst, fst##_filestat}
1270 int (*handler)(kvm_t *kd, struct vnode *vp,
1280 #ifdef LIBPROCSTAT_ZFS
1284 #define NTYPES (sizeof(fstypes) / sizeof(*fstypes))
1294 vp = fst->fs_typedep;
1297 error = kvm_read_all(kd, (unsigned long)vp, &vnode, sizeof(vnode));
1299 warnx("can't read vnode at %p", (void *)vp);
1302 bzero(vn, sizeof(*vn));
1303 vn->vn_type = vntype2psfsttype(vnode.v_type);
1304 if (vnode.v_type == VNON || vnode.v_type == VBAD)
1306 error = kvm_read_all(kd, (unsigned long)vnode.v_lock.lock_object.lo_name,
1307 tagstr, sizeof(tagstr));
1309 warnx("can't read lo_name at %p", (void *)vp);
1312 tagstr[sizeof(tagstr) - 1] = '\0';
1315 * Find appropriate handler.
1317 for (i = 0; i < NTYPES; i++)
1318 if (!strcmp(fstypes[i].tag, tagstr)) {
1319 if (fstypes[i].handler(kd, &vnode, vn) != 0) {
1326 snprintf(errbuf, _POSIX2_LINE_MAX, "?(%s)", tagstr);
1329 vn->vn_mntdir = getmnton(kd, vnode.v_mount);
1330 if ((vnode.v_type == VBLK || vnode.v_type == VCHR) &&
1331 vnode.v_rdev != NULL){
1332 vn->vn_dev = dev2udev(kd, vnode.v_rdev);
1333 (void)kdevtoname(kd, vnode.v_rdev, vn->vn_devname);
1341 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1346 * kinfo vnode type to filestat translation.
1349 kinfo_vtype2fst(int kfvtype)
1354 } kfvtypes2fst[] = {
1355 { KF_VTYPE_VBAD, PS_FST_VTYPE_VBAD },
1356 { KF_VTYPE_VBLK, PS_FST_VTYPE_VBLK },
1357 { KF_VTYPE_VCHR, PS_FST_VTYPE_VCHR },
1358 { KF_VTYPE_VDIR, PS_FST_VTYPE_VDIR },
1359 { KF_VTYPE_VFIFO, PS_FST_VTYPE_VFIFO },
1360 { KF_VTYPE_VLNK, PS_FST_VTYPE_VLNK },
1361 { KF_VTYPE_VNON, PS_FST_VTYPE_VNON },
1362 { KF_VTYPE_VREG, PS_FST_VTYPE_VREG },
1363 { KF_VTYPE_VSOCK, PS_FST_VTYPE_VSOCK }
1365 #define NKFVTYPES (sizeof(kfvtypes2fst) / sizeof(*kfvtypes2fst))
1368 for (i = 0; i < NKFVTYPES; i++)
1369 if (kfvtypes2fst[i].kf_vtype == kfvtype)
1372 return (PS_FST_VTYPE_UNKNOWN);
1373 return (kfvtypes2fst[i].fst_vtype);
1377 procstat_get_vnode_info_sysctl(struct filestat *fst, struct vnstat *vn,
1380 struct statfs stbuf;
1381 struct kinfo_file *kif;
1382 struct kinfo_vmentry *kve;
1394 bzero(vn, sizeof(*vn));
1395 if (fst->fs_typedep == NULL)
1397 if (fst->fs_uflags & PS_FST_UFLAG_MMAP) {
1398 kve = fst->fs_typedep;
1399 fileid = kve->kve_vn_fileid;
1400 fsid = kve->kve_vn_fsid;
1401 mode = kve->kve_vn_mode;
1402 path = kve->kve_path;
1403 rdev = kve->kve_vn_rdev;
1404 size = kve->kve_vn_size;
1405 vntype = kinfo_vtype2fst(kve->kve_vn_type);
1406 status = kve->kve_status;
1408 kif = fst->fs_typedep;
1409 fileid = kif->kf_un.kf_file.kf_file_fileid;
1410 fsid = kif->kf_un.kf_file.kf_file_fsid;
1411 mode = kif->kf_un.kf_file.kf_file_mode;
1412 path = kif->kf_path;
1413 rdev = kif->kf_un.kf_file.kf_file_rdev;
1414 size = kif->kf_un.kf_file.kf_file_size;
1415 vntype = kinfo_vtype2fst(kif->kf_vnode_type);
1416 status = kif->kf_status;
1418 vn->vn_type = vntype;
1419 if (vntype == PS_FST_VTYPE_VNON || vntype == PS_FST_VTYPE_VBAD)
1421 if ((status & KF_ATTR_VALID) == 0) {
1422 if (errbuf != NULL) {
1423 snprintf(errbuf, _POSIX2_LINE_MAX,
1424 "? (no info available)");
1428 if (path && *path) {
1429 statfs(path, &stbuf);
1430 vn->vn_mntdir = strdup(stbuf.f_mntonname);
1432 vn->vn_mntdir = strdup("-");
1434 if (vntype == PS_FST_VTYPE_VBLK) {
1435 name = devname(rdev, S_IFBLK);
1437 strlcpy(vn->vn_devname, name,
1438 sizeof(vn->vn_devname));
1439 } else if (vntype == PS_FST_VTYPE_VCHR) {
1440 name = devname(vn->vn_dev, S_IFCHR);
1442 strlcpy(vn->vn_devname, name,
1443 sizeof(vn->vn_devname));
1446 vn->vn_fileid = fileid;
1453 procstat_get_socket_info(struct procstat *procstat, struct filestat *fst,
1454 struct sockstat *sock, char *errbuf)
1458 if (procstat->type == PROCSTAT_KVM) {
1459 return (procstat_get_socket_info_kvm(procstat->kd, fst, sock,
1461 } else if (procstat->type == PROCSTAT_SYSCTL ||
1462 procstat->type == PROCSTAT_CORE) {
1463 return (procstat_get_socket_info_sysctl(fst, sock, errbuf));
1465 warnx("unknown access method: %d", procstat->type);
1467 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1473 procstat_get_socket_info_kvm(kvm_t *kd, struct filestat *fst,
1474 struct sockstat *sock, char *errbuf)
1478 struct protosw proto;
1487 bzero(sock, sizeof(*sock));
1488 so = fst->fs_typedep;
1491 sock->so_addr = (uintptr_t)so;
1492 /* fill in socket */
1493 if (!kvm_read_all(kd, (unsigned long)so, &s,
1494 sizeof(struct socket))) {
1495 warnx("can't read sock at %p", (void *)so);
1498 /* fill in protosw entry */
1499 if (!kvm_read_all(kd, (unsigned long)s.so_proto, &proto,
1500 sizeof(struct protosw))) {
1501 warnx("can't read protosw at %p", (void *)s.so_proto);
1504 /* fill in domain */
1505 if (!kvm_read_all(kd, (unsigned long)proto.pr_domain, &dom,
1506 sizeof(struct domain))) {
1507 warnx("can't read domain at %p",
1508 (void *)proto.pr_domain);
1511 if ((len = kvm_read(kd, (unsigned long)dom.dom_name, sock->dname,
1512 sizeof(sock->dname) - 1)) < 0) {
1513 warnx("can't read domain name at %p", (void *)dom.dom_name);
1514 sock->dname[0] = '\0';
1517 sock->dname[len] = '\0';
1520 * Fill in known data.
1522 sock->type = s.so_type;
1523 sock->proto = proto.pr_protocol;
1524 sock->dom_family = dom.dom_family;
1525 sock->so_pcb = (uintptr_t)s.so_pcb;
1528 * Protocol specific data.
1530 switch (dom.dom_family) {
1533 if (proto.pr_protocol == IPPROTO_TCP) {
1535 if (kvm_read(kd, (u_long)s.so_pcb,
1536 (char *)&inpcb, sizeof(struct inpcb))
1537 != sizeof(struct inpcb)) {
1538 warnx("can't read inpcb at %p",
1542 (uintptr_t)inpcb.inp_ppcb;
1543 sock->sendq = s.so_snd.sb_ccc;
1544 sock->recvq = s.so_rcv.sb_ccc;
1550 if (kvm_read(kd, (u_long)s.so_pcb, (char *)&unpcb,
1551 sizeof(struct unpcb)) != sizeof(struct unpcb)){
1552 warnx("can't read unpcb at %p",
1554 } else if (unpcb.unp_conn) {
1555 sock->so_rcv_sb_state = s.so_rcv.sb_state;
1556 sock->so_snd_sb_state = s.so_snd.sb_state;
1557 sock->unp_conn = (uintptr_t)unpcb.unp_conn;
1558 sock->sendq = s.so_snd.sb_ccc;
1559 sock->recvq = s.so_rcv.sb_ccc;
1570 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1575 procstat_get_socket_info_sysctl(struct filestat *fst, struct sockstat *sock,
1576 char *errbuf __unused)
1578 struct kinfo_file *kif;
1582 bzero(sock, sizeof(*sock));
1583 kif = fst->fs_typedep;
1588 * Fill in known data.
1590 sock->type = kif->kf_sock_type;
1591 sock->proto = kif->kf_sock_protocol;
1592 sock->dom_family = kif->kf_sock_domain;
1593 sock->so_pcb = kif->kf_un.kf_sock.kf_sock_pcb;
1594 strlcpy(sock->dname, kif->kf_path, sizeof(sock->dname));
1595 bcopy(&kif->kf_un.kf_sock.kf_sa_local, &sock->sa_local,
1596 kif->kf_un.kf_sock.kf_sa_local.ss_len);
1597 bcopy(&kif->kf_un.kf_sock.kf_sa_peer, &sock->sa_peer,
1598 kif->kf_un.kf_sock.kf_sa_peer.ss_len);
1601 * Protocol specific data.
1603 switch (sock->dom_family) {
1606 if (sock->proto == IPPROTO_TCP) {
1607 sock->inp_ppcb = kif->kf_un.kf_sock.kf_sock_inpcb;
1608 sock->sendq = kif->kf_un.kf_sock.kf_sock_sendq;
1609 sock->recvq = kif->kf_un.kf_sock.kf_sock_recvq;
1613 if (kif->kf_un.kf_sock.kf_sock_unpconn != 0) {
1614 sock->so_rcv_sb_state =
1615 kif->kf_un.kf_sock.kf_sock_rcv_sb_state;
1616 sock->so_snd_sb_state =
1617 kif->kf_un.kf_sock.kf_sock_snd_sb_state;
1619 kif->kf_un.kf_sock.kf_sock_unpconn;
1620 sock->sendq = kif->kf_un.kf_sock.kf_sock_sendq;
1621 sock->recvq = kif->kf_un.kf_sock.kf_sock_recvq;
1631 * Descriptor flags to filestat translation.
1634 to_filestat_flags(int flags)
1640 { FREAD, PS_FST_FFLAG_READ },
1641 { FWRITE, PS_FST_FFLAG_WRITE },
1642 { O_APPEND, PS_FST_FFLAG_APPEND },
1643 { O_ASYNC, PS_FST_FFLAG_ASYNC },
1644 { O_CREAT, PS_FST_FFLAG_CREAT },
1645 { O_DIRECT, PS_FST_FFLAG_DIRECT },
1646 { O_EXCL, PS_FST_FFLAG_EXCL },
1647 { O_EXEC, PS_FST_FFLAG_EXEC },
1648 { O_EXLOCK, PS_FST_FFLAG_EXLOCK },
1649 { O_NOFOLLOW, PS_FST_FFLAG_NOFOLLOW },
1650 { O_NONBLOCK, PS_FST_FFLAG_NONBLOCK },
1651 { O_SHLOCK, PS_FST_FFLAG_SHLOCK },
1652 { O_SYNC, PS_FST_FFLAG_SYNC },
1653 { O_TRUNC, PS_FST_FFLAG_TRUNC }
1655 #define NFSTFLAGS (sizeof(fstflags) / sizeof(*fstflags))
1660 for (i = 0; i < NFSTFLAGS; i++)
1661 if (flags & fstflags[i].flag)
1662 fst_flags |= fstflags[i].fst_flag;
1667 * Vnode type to filestate translation.
1670 vntype2psfsttype(int type)
1676 { VBAD, PS_FST_VTYPE_VBAD },
1677 { VBLK, PS_FST_VTYPE_VBLK },
1678 { VCHR, PS_FST_VTYPE_VCHR },
1679 { VDIR, PS_FST_VTYPE_VDIR },
1680 { VFIFO, PS_FST_VTYPE_VFIFO },
1681 { VLNK, PS_FST_VTYPE_VLNK },
1682 { VNON, PS_FST_VTYPE_VNON },
1683 { VREG, PS_FST_VTYPE_VREG },
1684 { VSOCK, PS_FST_VTYPE_VSOCK }
1686 #define NVFTYPES (sizeof(vt2fst) / sizeof(*vt2fst))
1687 unsigned int i, fst_type;
1689 fst_type = PS_FST_VTYPE_UNKNOWN;
1690 for (i = 0; i < NVFTYPES; i++) {
1691 if (type == vt2fst[i].vtype) {
1692 fst_type = vt2fst[i].fst_vtype;
1700 getmnton(kvm_t *kd, struct mount *m)
1703 static struct mtab {
1706 char mntonname[MNAMELEN + 1];
1710 for (mt = mhead; mt != NULL; mt = mt->next)
1712 return (mt->mntonname);
1713 if (!kvm_read_all(kd, (unsigned long)m, &mnt, sizeof(struct mount))) {
1714 warnx("can't read mount table at %p", (void *)m);
1717 if ((mt = malloc(sizeof (struct mtab))) == NULL)
1720 bcopy(&mnt.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN);
1721 mt->mntonname[MNAMELEN] = '\0';
1724 return (mt->mntonname);
1728 * Auxiliary structures and functions to get process environment or
1729 * command line arguments.
1738 static struct argvec *
1739 argvec_alloc(size_t bufsize)
1743 av = malloc(sizeof(*av));
1746 av->bufsize = bufsize;
1747 av->buf = malloc(av->bufsize);
1748 if (av->buf == NULL) {
1753 av->argv = malloc(sizeof(char *) * av->argc);
1754 if (av->argv == NULL) {
1763 argvec_free(struct argvec * av)
1772 getargv(struct procstat *procstat, struct kinfo_proc *kp, size_t nchr, int env)
1774 int error, name[4], argc, i;
1775 struct argvec *av, **avp;
1782 if (procstat->type == PROCSTAT_KVM) {
1783 warnx("can't use kvm access method");
1786 if (procstat->type != PROCSTAT_SYSCTL &&
1787 procstat->type != PROCSTAT_CORE) {
1788 warnx("unknown access method: %d", procstat->type);
1792 if (nchr == 0 || nchr > ARG_MAX)
1795 avp = (struct argvec **)(env ? &procstat->argv : &procstat->envv);
1800 av = argvec_alloc(nchr);
1803 warn("malloc(%zu)", nchr);
1807 } else if (av->bufsize < nchr) {
1808 av->buf = reallocf(av->buf, nchr);
1809 if (av->buf == NULL) {
1810 warn("malloc(%zu)", nchr);
1814 if (procstat->type == PROCSTAT_SYSCTL) {
1816 name[1] = KERN_PROC;
1817 name[2] = env ? KERN_PROC_ENV : KERN_PROC_ARGS;
1818 name[3] = kp->ki_pid;
1820 error = sysctl(name, nitems(name), av->buf, &len, NULL, 0);
1821 if (error != 0 && errno != ESRCH && errno != EPERM)
1822 warn("sysctl(kern.proc.%s)", env ? "env" : "args");
1823 if (error != 0 || len == 0)
1825 } else /* procstat->type == PROCSTAT_CORE */ {
1826 type = env ? PSC_TYPE_ENVV : PSC_TYPE_ARGV;
1828 if (procstat_core_get(procstat->core, type, av->buf, &len)
1837 for (p = av->buf; p < av->buf + len; p += strlen(p) + 1) {
1843 argv = realloc(argv, sizeof(char *) * argc);
1845 warn("malloc(%zu)", sizeof(char *) * argc);
1857 * Return process command line arguments.
1860 procstat_getargv(struct procstat *procstat, struct kinfo_proc *p, size_t nchr)
1863 return (getargv(procstat, p, nchr, 0));
1867 * Free the buffer allocated by procstat_getargv().
1870 procstat_freeargv(struct procstat *procstat)
1873 if (procstat->argv != NULL) {
1874 argvec_free(procstat->argv);
1875 procstat->argv = NULL;
1880 * Return process environment.
1883 procstat_getenvv(struct procstat *procstat, struct kinfo_proc *p, size_t nchr)
1886 return (getargv(procstat, p, nchr, 1));
1890 * Free the buffer allocated by procstat_getenvv().
1893 procstat_freeenvv(struct procstat *procstat)
1895 if (procstat->envv != NULL) {
1896 argvec_free(procstat->envv);
1897 procstat->envv = NULL;
1901 static struct kinfo_vmentry *
1902 kinfo_getvmmap_core(struct procstat_core *core, int *cntp)
1906 char *buf, *bp, *eb;
1907 struct kinfo_vmentry *kiv, *kp, *kv;
1909 buf = procstat_core_get(core, PSC_TYPE_VMMAP, NULL, &len);
1914 * XXXMG: The code below is just copy&past from libutil.
1915 * The code duplication can be avoided if libutil
1916 * is extended to provide something like:
1917 * struct kinfo_vmentry *kinfo_getvmmap_from_buf(const char *buf,
1918 * size_t len, int *cntp);
1921 /* Pass 1: count items */
1926 kv = (struct kinfo_vmentry *)(uintptr_t)bp;
1927 if (kv->kve_structsize == 0)
1929 bp += kv->kve_structsize;
1933 kiv = calloc(cnt, sizeof(*kiv));
1941 /* Pass 2: unpack */
1943 kv = (struct kinfo_vmentry *)(uintptr_t)bp;
1944 if (kv->kve_structsize == 0)
1946 /* Copy/expand into pre-zeroed buffer */
1947 memcpy(kp, kv, kv->kve_structsize);
1948 /* Advance to next packed record */
1949 bp += kv->kve_structsize;
1950 /* Set field size to fixed length, advance */
1951 kp->kve_structsize = sizeof(*kp);
1956 return (kiv); /* Caller must free() return value */
1959 struct kinfo_vmentry *
1960 procstat_getvmmap(struct procstat *procstat, struct kinfo_proc *kp,
1964 switch (procstat->type) {
1966 warnx("kvm method is not supported");
1968 case PROCSTAT_SYSCTL:
1969 return (kinfo_getvmmap(kp->ki_pid, cntp));
1971 return (kinfo_getvmmap_core(procstat->core, cntp));
1973 warnx("unknown access method: %d", procstat->type);
1979 procstat_freevmmap(struct procstat *procstat __unused,
1980 struct kinfo_vmentry *vmmap)
1987 procstat_getgroups_kvm(kvm_t *kd, struct kinfo_proc *kp, unsigned int *cntp)
1996 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
1998 warnx("can't read proc struct at %p for pid %d",
1999 kp->ki_paddr, kp->ki_pid);
2002 if (proc.p_ucred == NOCRED)
2004 if (!kvm_read_all(kd, (unsigned long)proc.p_ucred, &ucred,
2006 warnx("can't read ucred struct at %p for pid %d",
2007 proc.p_ucred, kp->ki_pid);
2010 len = ucred.cr_ngroups * sizeof(gid_t);
2011 groups = malloc(len);
2012 if (groups == NULL) {
2013 warn("malloc(%zu)", len);
2016 if (!kvm_read_all(kd, (unsigned long)ucred.cr_groups, groups, len)) {
2017 warnx("can't read groups at %p for pid %d",
2018 ucred.cr_groups, kp->ki_pid);
2022 *cntp = ucred.cr_ngroups;
2027 procstat_getgroups_sysctl(pid_t pid, unsigned int *cntp)
2035 mib[2] = KERN_PROC_GROUPS;
2037 len = (sysconf(_SC_NGROUPS_MAX) + 1) * sizeof(gid_t);
2038 groups = malloc(len);
2039 if (groups == NULL) {
2040 warn("malloc(%zu)", len);
2043 if (sysctl(mib, nitems(mib), groups, &len, NULL, 0) == -1) {
2044 warn("sysctl: kern.proc.groups: %d", pid);
2048 *cntp = len / sizeof(gid_t);
2053 procstat_getgroups_core(struct procstat_core *core, unsigned int *cntp)
2058 groups = procstat_core_get(core, PSC_TYPE_GROUPS, NULL, &len);
2061 *cntp = len / sizeof(gid_t);
2066 procstat_getgroups(struct procstat *procstat, struct kinfo_proc *kp,
2069 switch (procstat->type) {
2071 return (procstat_getgroups_kvm(procstat->kd, kp, cntp));
2072 case PROCSTAT_SYSCTL:
2073 return (procstat_getgroups_sysctl(kp->ki_pid, cntp));
2075 return (procstat_getgroups_core(procstat->core, cntp));
2077 warnx("unknown access method: %d", procstat->type);
2083 procstat_freegroups(struct procstat *procstat __unused, gid_t *groups)
2090 procstat_getumask_kvm(kvm_t *kd, struct kinfo_proc *kp, unsigned short *maskp)
2096 if (kp->ki_pd == NULL)
2098 if (!kvm_read_all(kd, (unsigned long)kp->ki_pd, &pd, sizeof(pd))) {
2099 warnx("can't read pwddesc at %p for pid %d", kp->ki_pd,
2103 *maskp = pd.pd_cmask;
2108 procstat_getumask_sysctl(pid_t pid, unsigned short *maskp)
2116 mib[2] = KERN_PROC_UMASK;
2118 len = sizeof(*maskp);
2119 error = sysctl(mib, nitems(mib), maskp, &len, NULL, 0);
2120 if (error != 0 && errno != ESRCH && errno != EPERM)
2121 warn("sysctl: kern.proc.umask: %d", pid);
2126 procstat_getumask_core(struct procstat_core *core, unsigned short *maskp)
2129 unsigned short *buf;
2131 buf = procstat_core_get(core, PSC_TYPE_UMASK, NULL, &len);
2134 if (len < sizeof(*maskp)) {
2144 procstat_getumask(struct procstat *procstat, struct kinfo_proc *kp,
2145 unsigned short *maskp)
2147 switch (procstat->type) {
2149 return (procstat_getumask_kvm(procstat->kd, kp, maskp));
2150 case PROCSTAT_SYSCTL:
2151 return (procstat_getumask_sysctl(kp->ki_pid, maskp));
2153 return (procstat_getumask_core(procstat->core, maskp));
2155 warnx("unknown access method: %d", procstat->type);
2161 procstat_getrlimit_kvm(kvm_t *kd, struct kinfo_proc *kp, int which,
2162 struct rlimit* rlimit)
2165 unsigned long offset;
2169 assert(which >= 0 && which < RLIM_NLIMITS);
2170 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
2172 warnx("can't read proc struct at %p for pid %d",
2173 kp->ki_paddr, kp->ki_pid);
2176 if (proc.p_limit == NULL)
2178 offset = (unsigned long)proc.p_limit + sizeof(struct rlimit) * which;
2179 if (!kvm_read_all(kd, offset, rlimit, sizeof(*rlimit))) {
2180 warnx("can't read rlimit struct at %p for pid %d",
2181 (void *)offset, kp->ki_pid);
2188 procstat_getrlimit_sysctl(pid_t pid, int which, struct rlimit* rlimit)
2194 name[1] = KERN_PROC;
2195 name[2] = KERN_PROC_RLIMIT;
2198 len = sizeof(struct rlimit);
2199 error = sysctl(name, nitems(name), rlimit, &len, NULL, 0);
2200 if (error < 0 && errno != ESRCH) {
2201 warn("sysctl: kern.proc.rlimit: %d", pid);
2204 if (error < 0 || len != sizeof(struct rlimit))
2210 procstat_getrlimit_core(struct procstat_core *core, int which,
2211 struct rlimit* rlimit)
2214 struct rlimit* rlimits;
2216 if (which < 0 || which >= RLIM_NLIMITS) {
2218 warn("getrlimit: which");
2221 rlimits = procstat_core_get(core, PSC_TYPE_RLIMIT, NULL, &len);
2222 if (rlimits == NULL)
2224 if (len < sizeof(struct rlimit) * RLIM_NLIMITS) {
2228 *rlimit = rlimits[which];
2234 procstat_getrlimit(struct procstat *procstat, struct kinfo_proc *kp, int which,
2235 struct rlimit* rlimit)
2237 switch (procstat->type) {
2239 return (procstat_getrlimit_kvm(procstat->kd, kp, which,
2241 case PROCSTAT_SYSCTL:
2242 return (procstat_getrlimit_sysctl(kp->ki_pid, which, rlimit));
2244 return (procstat_getrlimit_core(procstat->core, which, rlimit));
2246 warnx("unknown access method: %d", procstat->type);
2252 procstat_getpathname_sysctl(pid_t pid, char *pathname, size_t maxlen)
2258 name[1] = KERN_PROC;
2259 name[2] = KERN_PROC_PATHNAME;
2262 error = sysctl(name, nitems(name), pathname, &len, NULL, 0);
2263 if (error != 0 && errno != ESRCH)
2264 warn("sysctl: kern.proc.pathname: %d", pid);
2271 procstat_getpathname_core(struct procstat_core *core, char *pathname,
2274 struct kinfo_file *files;
2277 files = kinfo_getfile_core(core, &cnt);
2281 for (i = 0; i < cnt; i++) {
2282 if (files[i].kf_fd != KF_FD_TYPE_TEXT)
2284 strncpy(pathname, files[i].kf_path, maxlen);
2293 procstat_getpathname(struct procstat *procstat, struct kinfo_proc *kp,
2294 char *pathname, size_t maxlen)
2296 switch (procstat->type) {
2298 /* XXX: Return empty string. */
2302 case PROCSTAT_SYSCTL:
2303 return (procstat_getpathname_sysctl(kp->ki_pid, pathname,
2306 return (procstat_getpathname_core(procstat->core, pathname,
2309 warnx("unknown access method: %d", procstat->type);
2315 procstat_getosrel_kvm(kvm_t *kd, struct kinfo_proc *kp, int *osrelp)
2321 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
2323 warnx("can't read proc struct at %p for pid %d",
2324 kp->ki_paddr, kp->ki_pid);
2327 *osrelp = proc.p_osrel;
2332 procstat_getosrel_sysctl(pid_t pid, int *osrelp)
2338 name[1] = KERN_PROC;
2339 name[2] = KERN_PROC_OSREL;
2341 len = sizeof(*osrelp);
2342 error = sysctl(name, nitems(name), osrelp, &len, NULL, 0);
2343 if (error != 0 && errno != ESRCH)
2344 warn("sysctl: kern.proc.osrel: %d", pid);
2349 procstat_getosrel_core(struct procstat_core *core, int *osrelp)
2354 buf = procstat_core_get(core, PSC_TYPE_OSREL, NULL, &len);
2357 if (len < sizeof(*osrelp)) {
2367 procstat_getosrel(struct procstat *procstat, struct kinfo_proc *kp, int *osrelp)
2369 switch (procstat->type) {
2371 return (procstat_getosrel_kvm(procstat->kd, kp, osrelp));
2372 case PROCSTAT_SYSCTL:
2373 return (procstat_getosrel_sysctl(kp->ki_pid, osrelp));
2375 return (procstat_getosrel_core(procstat->core, osrelp));
2377 warnx("unknown access method: %d", procstat->type);
2382 #define PROC_AUXV_MAX 256
2384 #ifdef PS_ARCH_HAS_FREEBSD32
2385 static const char *elf32_sv_names[] = {
2391 is_elf32_sysctl(pid_t pid)
2398 name[1] = KERN_PROC;
2399 name[2] = KERN_PROC_SV_NAME;
2401 len = sizeof(sv_name);
2402 error = sysctl(name, nitems(name), sv_name, &len, NULL, 0);
2403 if (error != 0 || len == 0)
2405 for (i = 0; i < sizeof(elf32_sv_names) / sizeof(*elf32_sv_names); i++) {
2406 if (strncmp(sv_name, elf32_sv_names[i], sizeof(sv_name)) == 0)
2412 static Elf_Auxinfo *
2413 procstat_getauxv32_sysctl(pid_t pid, unsigned int *cntp)
2416 Elf32_Auxinfo *auxv32;
2418 unsigned int i, count;
2422 name[1] = KERN_PROC;
2423 name[2] = KERN_PROC_AUXV;
2425 len = PROC_AUXV_MAX * sizeof(Elf32_Auxinfo);
2427 auxv32 = malloc(len);
2428 if (auxv32 == NULL) {
2429 warn("malloc(%zu)", len);
2432 if (sysctl(name, nitems(name), auxv32, &len, NULL, 0) == -1) {
2433 if (errno != ESRCH && errno != EPERM)
2434 warn("sysctl: kern.proc.auxv: %d: %d", pid, errno);
2437 count = len / sizeof(Elf32_Auxinfo);
2438 auxv = malloc(count * sizeof(Elf_Auxinfo));
2440 warn("malloc(%zu)", count * sizeof(Elf_Auxinfo));
2443 for (i = 0; i < count; i++) {
2445 * XXX: We expect that values for a_type on a 32-bit platform
2446 * are directly mapped to values on 64-bit one, which is not
2449 auxv[i].a_type = auxv32[i].a_type;
2451 * Don't sign extend values. Existing entries are positive
2452 * integers or pointers. Under freebsd32, programs typically
2453 * have a full [0, 2^32) address space (perhaps minus the last
2454 * page) and treating this as a signed integer would be
2455 * confusing since these are not kernel pointers.
2457 * XXX: A more complete translation would be ABI and
2460 auxv[i].a_un.a_val = (uint32_t)auxv32[i].a_un.a_val;
2467 #endif /* PS_ARCH_HAS_FREEBSD32 */
2469 static Elf_Auxinfo *
2470 procstat_getauxv_sysctl(pid_t pid, unsigned int *cntp)
2476 #ifdef PS_ARCH_HAS_FREEBSD32
2477 if (is_elf32_sysctl(pid))
2478 return (procstat_getauxv32_sysctl(pid, cntp));
2481 name[1] = KERN_PROC;
2482 name[2] = KERN_PROC_AUXV;
2484 len = PROC_AUXV_MAX * sizeof(Elf_Auxinfo);
2487 warn("malloc(%zu)", len);
2490 if (sysctl(name, nitems(name), auxv, &len, NULL, 0) == -1) {
2491 if (errno != ESRCH && errno != EPERM)
2492 warn("sysctl: kern.proc.auxv: %d: %d", pid, errno);
2496 *cntp = len / sizeof(Elf_Auxinfo);
2500 static Elf_Auxinfo *
2501 procstat_getauxv_core(struct procstat_core *core, unsigned int *cntp)
2506 auxv = procstat_core_get(core, PSC_TYPE_AUXV, NULL, &len);
2509 *cntp = len / sizeof(Elf_Auxinfo);
2514 procstat_getauxv(struct procstat *procstat, struct kinfo_proc *kp,
2517 switch (procstat->type) {
2519 warnx("kvm method is not supported");
2521 case PROCSTAT_SYSCTL:
2522 return (procstat_getauxv_sysctl(kp->ki_pid, cntp));
2524 return (procstat_getauxv_core(procstat->core, cntp));
2526 warnx("unknown access method: %d", procstat->type);
2532 procstat_freeauxv(struct procstat *procstat __unused, Elf_Auxinfo *auxv)
2538 static struct ptrace_lwpinfo *
2539 procstat_getptlwpinfo_core(struct procstat_core *core, unsigned int *cntp)
2542 struct ptrace_lwpinfo *pl;
2546 cnt = procstat_core_note_count(core, PSC_TYPE_PTLWPINFO);
2550 len = cnt * sizeof(*pl);
2551 buf = calloc(1, len);
2552 pl = procstat_core_get(core, PSC_TYPE_PTLWPINFO, buf, &len);
2557 *cntp = len / sizeof(*pl);
2561 struct ptrace_lwpinfo *
2562 procstat_getptlwpinfo(struct procstat *procstat, unsigned int *cntp)
2564 switch (procstat->type) {
2566 warnx("kvm method is not supported");
2568 case PROCSTAT_SYSCTL:
2569 warnx("sysctl method is not supported");
2572 return (procstat_getptlwpinfo_core(procstat->core, cntp));
2574 warnx("unknown access method: %d", procstat->type);
2580 procstat_freeptlwpinfo(struct procstat *procstat __unused,
2581 struct ptrace_lwpinfo *pl)
2586 static struct kinfo_kstack *
2587 procstat_getkstack_sysctl(pid_t pid, int *cntp)
2589 struct kinfo_kstack *kkstp;
2594 name[1] = KERN_PROC;
2595 name[2] = KERN_PROC_KSTACK;
2599 error = sysctl(name, nitems(name), NULL, &len, NULL, 0);
2600 if (error < 0 && errno != ESRCH && errno != EPERM && errno != ENOENT) {
2601 warn("sysctl: kern.proc.kstack: %d", pid);
2604 if (error == -1 && errno == ENOENT) {
2605 warnx("sysctl: kern.proc.kstack unavailable"
2606 " (options DDB or options STACK required in kernel)");
2611 kkstp = malloc(len);
2612 if (kkstp == NULL) {
2613 warn("malloc(%zu)", len);
2616 if (sysctl(name, nitems(name), kkstp, &len, NULL, 0) == -1 &&
2618 warn("sysctl: kern.proc.pid: %d", pid);
2622 *cntp = len / sizeof(*kkstp);
2627 struct kinfo_kstack *
2628 procstat_getkstack(struct procstat *procstat, struct kinfo_proc *kp,
2631 switch (procstat->type) {
2633 warnx("kvm method is not supported");
2635 case PROCSTAT_SYSCTL:
2636 return (procstat_getkstack_sysctl(kp->ki_pid, cntp));
2638 warnx("core method is not supported");
2641 warnx("unknown access method: %d", procstat->type);
2647 procstat_freekstack(struct procstat *procstat __unused,
2648 struct kinfo_kstack *kkstp)
2654 static struct advlock_list *
2655 procstat_getadvlock_sysctl(struct procstat *procstat __unused)
2657 struct advlock_list *res;
2661 struct kinfo_lockf *kl;
2664 static const int kl_name[] = { CTL_KERN, KERN_LOCKF };
2666 res = malloc(sizeof(*res));
2673 error = sysctl(kl_name, nitems(kl_name), NULL, &buf_len, NULL, 0);
2675 warn("sysctl KERN_LOCKF size");
2679 buf = malloc(buf_len);
2684 error = sysctl(kl_name, nitems(kl_name), buf, &buf_len, NULL, 0);
2686 warn("sysctl KERN_LOCKF data");
2690 for (c = buf; (char *)c < (char *)buf + buf_len;
2691 c += kl->kl_structsize) {
2692 kl = (struct kinfo_lockf *)(void *)c;
2693 if (sizeof(*kl) < (size_t)kl->kl_structsize) {
2697 a = malloc(sizeof(*a));
2699 warn("malloc advlock");
2702 switch (kl->kl_rw) {
2703 case KLOCKF_RW_READ:
2704 a->rw = PS_ADVLOCK_RO;
2706 case KLOCKF_RW_WRITE:
2707 a->rw = PS_ADVLOCK_RW;
2714 switch (kl->kl_type) {
2715 case KLOCKF_TYPE_FLOCK:
2716 a->type = PS_ADVLOCK_TYPE_FLOCK;
2718 case KLOCKF_TYPE_PID:
2719 a->type = PS_ADVLOCK_TYPE_PID;
2721 case KLOCKF_TYPE_REMOTE:
2722 a->type = PS_ADVLOCK_TYPE_REMOTE;
2729 a->pid = kl->kl_pid;
2730 a->sysid = kl->kl_sysid;
2731 a->file_fsid = kl->kl_file_fsid;
2732 a->file_rdev = kl->kl_file_rdev;
2733 a->file_fileid = kl->kl_file_fileid;
2734 a->start = kl->kl_start;
2735 a->len = kl->kl_len;
2736 if (kl->kl_path[0] != '\0') {
2737 a->path = strdup(kl->kl_path);
2738 if (a->path == NULL) {
2745 STAILQ_INSERT_TAIL(res, a, next);
2753 procstat_freeadvlock(procstat, res);
2757 struct advlock_list *
2758 procstat_getadvlock(struct procstat *procstat)
2760 switch (procstat->type) {
2762 warnx("kvm method is not supported");
2764 case PROCSTAT_SYSCTL:
2765 return (procstat_getadvlock_sysctl(procstat));
2767 warnx("core method is not supported");
2770 warnx("unknown access method: %d", procstat->type);
2776 procstat_freeadvlock(struct procstat *procstat __unused,
2777 struct advlock_list *lst)
2779 struct advlock *a, *a1;
2781 STAILQ_FOREACH_SAFE(a, lst, next, a1) {
2782 free(__DECONST(char *, a->path));