2 * SPDX-License-Identifier: BSD-4-Clause
4 * Copyright (c) 2017 Dell EMC
5 * Copyright (c) 2009 Stanislav Sedov <stas@FreeBSD.org>
6 * Copyright (c) 1988, 1993
7 * The Regents of the University of California. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the University of
20 * California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 #include <sys/cdefs.h>
39 __FBSDID("$FreeBSD$");
41 #include <sys/param.h>
44 #include <sys/resourcevar.h>
46 #include <sys/ucred.h>
51 #include <sys/vnode.h>
52 #include <sys/socket.h>
54 #include <sys/socketvar.h>
55 #include <sys/domain.h>
56 #include <sys/protosw.h>
59 #include <sys/unpcb.h>
60 #include <sys/sysctl.h>
62 #include <sys/filedesc.h>
63 #include <sys/queue.h>
69 #include <sys/capsicum.h>
70 #include <sys/ptrace.h>
72 #include <sys/mount.h>
74 #include <ufs/ufs/quota.h>
75 #include <ufs/ufs/inode.h>
76 #include <fs/devfs/devfs.h>
77 #include <fs/devfs/devfs_int.h>
79 #include <nfs/nfsproto.h>
80 #include <nfsclient/nfs.h>
81 #include <nfsclient/nfsnode.h>
84 #include <vm/vm_map.h>
85 #include <vm/vm_object.h>
87 #include <net/route.h>
88 #include <netinet/in.h>
89 #include <netinet/in_systm.h>
90 #include <netinet/ip.h>
92 #include <netinet/in_pcb.h>
110 #include <libprocstat.h>
111 #include "libprocstat_internal.h"
112 #include "common_kvm.h"
115 int statfs(const char *, struct statfs *); /* XXX */
117 #define PROCSTAT_KVM 1
118 #define PROCSTAT_SYSCTL 2
119 #define PROCSTAT_CORE 3
121 static char **getargv(struct procstat *procstat, struct kinfo_proc *kp,
122 size_t nchr, int env);
123 static char *getmnton(kvm_t *kd, struct mount *m);
124 static struct kinfo_vmentry * kinfo_getvmmap_core(struct procstat_core *core,
126 static Elf_Auxinfo *procstat_getauxv_core(struct procstat_core *core,
128 static Elf_Auxinfo *procstat_getauxv_sysctl(pid_t pid, unsigned int *cntp);
129 static struct filestat_list *procstat_getfiles_kvm(
130 struct procstat *procstat, struct kinfo_proc *kp, int mmapped);
131 static struct filestat_list *procstat_getfiles_sysctl(
132 struct procstat *procstat, struct kinfo_proc *kp, int mmapped);
133 static int procstat_get_pipe_info_sysctl(struct filestat *fst,
134 struct pipestat *pipe, char *errbuf);
135 static int procstat_get_pipe_info_kvm(kvm_t *kd, struct filestat *fst,
136 struct pipestat *pipe, char *errbuf);
137 static int procstat_get_pts_info_sysctl(struct filestat *fst,
138 struct ptsstat *pts, char *errbuf);
139 static int procstat_get_pts_info_kvm(kvm_t *kd, struct filestat *fst,
140 struct ptsstat *pts, char *errbuf);
141 static int procstat_get_sem_info_sysctl(struct filestat *fst,
142 struct semstat *sem, char *errbuf);
143 static int procstat_get_sem_info_kvm(kvm_t *kd, struct filestat *fst,
144 struct semstat *sem, char *errbuf);
145 static int procstat_get_shm_info_sysctl(struct filestat *fst,
146 struct shmstat *shm, char *errbuf);
147 static int procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst,
148 struct shmstat *shm, char *errbuf);
149 static int procstat_get_socket_info_sysctl(struct filestat *fst,
150 struct sockstat *sock, char *errbuf);
151 static int procstat_get_socket_info_kvm(kvm_t *kd, struct filestat *fst,
152 struct sockstat *sock, char *errbuf);
153 static int to_filestat_flags(int flags);
154 static int procstat_get_vnode_info_kvm(kvm_t *kd, struct filestat *fst,
155 struct vnstat *vn, char *errbuf);
156 static int procstat_get_vnode_info_sysctl(struct filestat *fst,
157 struct vnstat *vn, char *errbuf);
158 static gid_t *procstat_getgroups_core(struct procstat_core *core,
159 unsigned int *count);
160 static gid_t * procstat_getgroups_kvm(kvm_t *kd, struct kinfo_proc *kp,
161 unsigned int *count);
162 static gid_t *procstat_getgroups_sysctl(pid_t pid, unsigned int *count);
163 static struct kinfo_kstack *procstat_getkstack_sysctl(pid_t pid,
165 static int procstat_getosrel_core(struct procstat_core *core,
167 static int procstat_getosrel_kvm(kvm_t *kd, struct kinfo_proc *kp,
169 static int procstat_getosrel_sysctl(pid_t pid, int *osrelp);
170 static int procstat_getpathname_core(struct procstat_core *core,
171 char *pathname, size_t maxlen);
172 static int procstat_getpathname_sysctl(pid_t pid, char *pathname,
174 static int procstat_getrlimit_core(struct procstat_core *core, int which,
175 struct rlimit* rlimit);
176 static int procstat_getrlimit_kvm(kvm_t *kd, struct kinfo_proc *kp,
177 int which, struct rlimit* rlimit);
178 static int procstat_getrlimit_sysctl(pid_t pid, int which,
179 struct rlimit* rlimit);
180 static int procstat_getumask_core(struct procstat_core *core,
181 unsigned short *maskp);
182 static int procstat_getumask_kvm(kvm_t *kd, struct kinfo_proc *kp,
183 unsigned short *maskp);
184 static int procstat_getumask_sysctl(pid_t pid, unsigned short *maskp);
185 static int vntype2psfsttype(int type);
188 procstat_close(struct procstat *procstat)
192 if (procstat->type == PROCSTAT_KVM)
193 kvm_close(procstat->kd);
194 else if (procstat->type == PROCSTAT_CORE)
195 procstat_core_close(procstat->core);
196 procstat_freeargv(procstat);
197 procstat_freeenvv(procstat);
202 procstat_open_sysctl(void)
204 struct procstat *procstat;
206 procstat = calloc(1, sizeof(*procstat));
207 if (procstat == NULL) {
211 procstat->type = PROCSTAT_SYSCTL;
216 procstat_open_kvm(const char *nlistf, const char *memf)
218 struct procstat *procstat;
220 char buf[_POSIX2_LINE_MAX];
222 procstat = calloc(1, sizeof(*procstat));
223 if (procstat == NULL) {
227 kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf);
229 warnx("kvm_openfiles(): %s", buf);
233 procstat->type = PROCSTAT_KVM;
239 procstat_open_core(const char *filename)
241 struct procstat *procstat;
242 struct procstat_core *core;
244 procstat = calloc(1, sizeof(*procstat));
245 if (procstat == NULL) {
249 core = procstat_core_open(filename);
254 procstat->type = PROCSTAT_CORE;
255 procstat->core = core;
260 procstat_getprocs(struct procstat *procstat, int what, int arg,
263 struct kinfo_proc *p0, *p;
272 if (procstat->type == PROCSTAT_KVM) {
274 p0 = kvm_getprocs(procstat->kd, what, arg, &cnt);
275 if (p0 == NULL || cnt <= 0)
278 len = *count * sizeof(*p);
281 warnx("malloc(%zu)", len);
286 } else if (procstat->type == PROCSTAT_SYSCTL) {
292 error = sysctl(name, nitems(name), NULL, &len, NULL, 0);
293 if (error < 0 && errno != EPERM) {
294 warn("sysctl(kern.proc)");
298 warnx("no processes?");
303 p = reallocf(p, len);
305 warnx("reallocf(%zu)", len);
309 error = sysctl(name, nitems(name), p, &len, NULL, 0);
310 } while (error < 0 && errno == ENOMEM && olen == len);
311 if (error < 0 && errno != EPERM) {
312 warn("sysctl(kern.proc)");
315 /* Perform simple consistency checks. */
316 if ((len % sizeof(*p)) != 0 || p->ki_structsize != sizeof(*p)) {
317 warnx("kinfo_proc structure size mismatch (len = %zu)", len);
320 *count = len / sizeof(*p);
322 } else if (procstat->type == PROCSTAT_CORE) {
323 p = procstat_core_get(procstat->core, PSC_TYPE_PROC, NULL,
325 if ((len % sizeof(*p)) != 0 || p->ki_structsize != sizeof(*p)) {
326 warnx("kinfo_proc structure size mismatch");
329 *count = len / sizeof(*p);
332 warnx("unknown access method: %d", procstat->type);
342 procstat_freeprocs(struct procstat *procstat __unused, struct kinfo_proc *p)
350 struct filestat_list *
351 procstat_getfiles(struct procstat *procstat, struct kinfo_proc *kp, int mmapped)
354 switch(procstat->type) {
356 return (procstat_getfiles_kvm(procstat, kp, mmapped));
357 case PROCSTAT_SYSCTL:
359 return (procstat_getfiles_sysctl(procstat, kp, mmapped));
361 warnx("unknown access method: %d", procstat->type);
367 procstat_freefiles(struct procstat *procstat, struct filestat_list *head)
369 struct filestat *fst, *tmp;
371 STAILQ_FOREACH_SAFE(fst, head, next, tmp) {
372 if (fst->fs_path != NULL)
377 if (procstat->vmentries != NULL) {
378 free(procstat->vmentries);
379 procstat->vmentries = NULL;
381 if (procstat->files != NULL) {
382 free(procstat->files);
383 procstat->files = NULL;
387 static struct filestat *
388 filestat_new_entry(void *typedep, int type, int fd, int fflags, int uflags,
389 int refcount, off_t offset, char *path, cap_rights_t *cap_rightsp)
391 struct filestat *entry;
393 entry = calloc(1, sizeof(*entry));
398 entry->fs_typedep = typedep;
399 entry->fs_fflags = fflags;
400 entry->fs_uflags = uflags;
402 entry->fs_type = type;
403 entry->fs_ref_count = refcount;
404 entry->fs_offset = offset;
405 entry->fs_path = path;
406 if (cap_rightsp != NULL)
407 entry->fs_cap_rights = *cap_rightsp;
409 cap_rights_init(&entry->fs_cap_rights);
413 static struct vnode *
414 getctty(kvm_t *kd, struct kinfo_proc *kp)
422 error = kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
425 warnx("can't read proc struct at %p for pid %d",
426 kp->ki_paddr, kp->ki_pid);
429 if (proc.p_pgrp == NULL)
431 error = kvm_read_all(kd, (unsigned long)proc.p_pgrp, &pgrp,
434 warnx("can't read pgrp struct at %p for pid %d",
435 proc.p_pgrp, kp->ki_pid);
438 error = kvm_read_all(kd, (unsigned long)pgrp.pg_session, &sess,
441 warnx("can't read session struct at %p for pid %d",
442 pgrp.pg_session, kp->ki_pid);
445 return (sess.s_ttyvp);
449 procstat_vm_map_reader(void *token, vm_map_entry_t addr, vm_map_entry_t dest)
454 return (kvm_read_all(kd, (unsigned long)addr, dest, sizeof(*dest)));
457 static struct filestat_list *
458 procstat_getfiles_kvm(struct procstat *procstat, struct kinfo_proc *kp, int mmapped)
461 struct filedesc filed;
462 struct fdescenttbl *fdt;
464 unsigned long pwd_addr;
465 struct vm_map_entry vmentry;
466 struct vm_object object;
467 struct vmspace vmspace;
468 vm_map_entry_t entryp;
471 struct filestat *entry;
472 struct filestat_list *head;
486 if (kp->ki_fd == NULL)
488 if (!kvm_read_all(kd, (unsigned long)kp->ki_fd, &filed,
490 warnx("can't read filedesc at %p", (void *)kp->ki_fd);
494 pwd_addr = (unsigned long)(FILEDESC_KVM_LOAD_PWD(&filed));
496 if (!kvm_read_all(kd, pwd_addr, &pwd, sizeof(pwd))) {
497 warnx("can't read fd_pwd at %p", (void *)pwd_addr);
504 * Allocate list head.
506 head = malloc(sizeof(*head));
511 /* root directory vnode, if one. */
514 entry = filestat_new_entry(pwd.pwd_rdir, PS_FST_TYPE_VNODE, -1,
515 PS_FST_FFLAG_READ, PS_FST_UFLAG_RDIR, 0, 0, NULL, NULL);
517 STAILQ_INSERT_TAIL(head, entry, next);
519 /* current working directory vnode. */
521 entry = filestat_new_entry(pwd.pwd_cdir, PS_FST_TYPE_VNODE, -1,
522 PS_FST_FFLAG_READ, PS_FST_UFLAG_CDIR, 0, 0, NULL, NULL);
524 STAILQ_INSERT_TAIL(head, entry, next);
526 /* jail root, if any. */
528 entry = filestat_new_entry(pwd.pwd_jdir, PS_FST_TYPE_VNODE, -1,
529 PS_FST_FFLAG_READ, PS_FST_UFLAG_JAIL, 0, 0, NULL, NULL);
531 STAILQ_INSERT_TAIL(head, entry, next);
534 /* ktrace vnode, if one */
536 entry = filestat_new_entry(kp->ki_tracep, PS_FST_TYPE_VNODE, -1,
537 PS_FST_FFLAG_READ | PS_FST_FFLAG_WRITE,
538 PS_FST_UFLAG_TRACE, 0, 0, NULL, NULL);
540 STAILQ_INSERT_TAIL(head, entry, next);
542 /* text vnode, if one */
544 entry = filestat_new_entry(kp->ki_textvp, PS_FST_TYPE_VNODE, -1,
545 PS_FST_FFLAG_READ, PS_FST_UFLAG_TEXT, 0, 0, NULL, NULL);
547 STAILQ_INSERT_TAIL(head, entry, next);
549 /* Controlling terminal. */
550 if ((vp = getctty(kd, kp)) != NULL) {
551 entry = filestat_new_entry(vp, PS_FST_TYPE_VNODE, -1,
552 PS_FST_FFLAG_READ | PS_FST_FFLAG_WRITE,
553 PS_FST_UFLAG_CTTY, 0, 0, NULL, NULL);
555 STAILQ_INSERT_TAIL(head, entry, next);
558 if (!kvm_read_all(kd, (unsigned long)filed.fd_files, &nfiles,
560 warnx("can't read fd_files at %p", (void *)filed.fd_files);
564 fdt_size = sizeof(*fdt) + nfiles * sizeof(struct filedescent);
565 fdt = malloc(fdt_size);
567 warn("malloc(%zu)", fdt_size);
570 if (!kvm_read_all(kd, (unsigned long)filed.fd_files, fdt, fdt_size)) {
571 warnx("cannot read file structures at %p", (void *)filed.fd_files);
575 for (i = 0; i < nfiles; i++) {
576 if (fdt->fdt_ofiles[i].fde_file == NULL) {
579 if (!kvm_read_all(kd, (unsigned long)fdt->fdt_ofiles[i].fde_file, &file,
580 sizeof(struct file))) {
581 warnx("can't read file %d at %p", i,
582 (void *)fdt->fdt_ofiles[i].fde_file);
585 switch (file.f_type) {
587 type = PS_FST_TYPE_VNODE;
591 type = PS_FST_TYPE_SOCKET;
595 type = PS_FST_TYPE_PIPE;
599 type = PS_FST_TYPE_FIFO;
604 type = PS_FST_TYPE_PTS;
609 type = PS_FST_TYPE_SEM;
613 type = PS_FST_TYPE_SHM;
617 type = PS_FST_TYPE_PROCDESC;
621 type = PS_FST_TYPE_DEV;
627 /* XXXRW: No capability rights support for kvm yet. */
628 entry = filestat_new_entry(data, type, i,
629 to_filestat_flags(file.f_flag), 0, 0, 0, NULL, NULL);
631 STAILQ_INSERT_TAIL(head, entry, next);
638 * Process mmapped files if requested.
641 if (!kvm_read_all(kd, (unsigned long)kp->ki_vmspace, &vmspace,
643 warnx("can't read vmspace at %p",
644 (void *)kp->ki_vmspace);
648 vmentry = vmspace.vm_map.header;
649 for (entryp = vm_map_entry_read_succ(kd, &vmentry, procstat_vm_map_reader);
650 entryp != NULL && entryp != &kp->ki_vmspace->vm_map.header;
651 entryp = vm_map_entry_read_succ(kd, &vmentry, procstat_vm_map_reader)) {
652 if (vmentry.eflags & MAP_ENTRY_IS_SUB_MAP)
654 if ((objp = vmentry.object.vm_object) == NULL)
656 for (; objp; objp = object.backing_object) {
657 if (!kvm_read_all(kd, (unsigned long)objp,
658 &object, sizeof(object))) {
659 warnx("can't read vm_object at %p",
665 /* We want only vnode objects. */
666 if (object.type != OBJT_VNODE)
669 prot = vmentry.protection;
671 if (prot & VM_PROT_READ)
672 fflags = PS_FST_FFLAG_READ;
673 if ((vmentry.eflags & MAP_ENTRY_COW) == 0 &&
674 prot & VM_PROT_WRITE)
675 fflags |= PS_FST_FFLAG_WRITE;
678 * Create filestat entry.
680 entry = filestat_new_entry(object.handle,
681 PS_FST_TYPE_VNODE, -1, fflags,
682 PS_FST_UFLAG_MMAP, 0, 0, NULL, NULL);
684 STAILQ_INSERT_TAIL(head, entry, next);
687 warnx("can't read vm_map_entry");
694 * kinfo types to filestat translation.
697 kinfo_type2fst(int kftype)
703 { KF_TYPE_PROCDESC, PS_FST_TYPE_PROCDESC },
704 { KF_TYPE_CRYPTO, PS_FST_TYPE_CRYPTO },
705 { KF_TYPE_DEV, PS_FST_TYPE_DEV },
706 { KF_TYPE_FIFO, PS_FST_TYPE_FIFO },
707 { KF_TYPE_KQUEUE, PS_FST_TYPE_KQUEUE },
708 { KF_TYPE_MQUEUE, PS_FST_TYPE_MQUEUE },
709 { KF_TYPE_NONE, PS_FST_TYPE_NONE },
710 { KF_TYPE_PIPE, PS_FST_TYPE_PIPE },
711 { KF_TYPE_PTS, PS_FST_TYPE_PTS },
712 { KF_TYPE_SEM, PS_FST_TYPE_SEM },
713 { KF_TYPE_SHM, PS_FST_TYPE_SHM },
714 { KF_TYPE_SOCKET, PS_FST_TYPE_SOCKET },
715 { KF_TYPE_VNODE, PS_FST_TYPE_VNODE },
716 { KF_TYPE_UNKNOWN, PS_FST_TYPE_UNKNOWN }
718 #define NKFTYPES (sizeof(kftypes2fst) / sizeof(*kftypes2fst))
721 for (i = 0; i < NKFTYPES; i++)
722 if (kftypes2fst[i].kf_type == kftype)
725 return (PS_FST_TYPE_UNKNOWN);
726 return (kftypes2fst[i].fst_type);
730 * kinfo flags to filestat translation.
733 kinfo_fflags2fst(int kfflags)
739 { KF_FLAG_APPEND, PS_FST_FFLAG_APPEND },
740 { KF_FLAG_ASYNC, PS_FST_FFLAG_ASYNC },
741 { KF_FLAG_CREAT, PS_FST_FFLAG_CREAT },
742 { KF_FLAG_DIRECT, PS_FST_FFLAG_DIRECT },
743 { KF_FLAG_EXCL, PS_FST_FFLAG_EXCL },
744 { KF_FLAG_EXEC, PS_FST_FFLAG_EXEC },
745 { KF_FLAG_EXLOCK, PS_FST_FFLAG_EXLOCK },
746 { KF_FLAG_FSYNC, PS_FST_FFLAG_SYNC },
747 { KF_FLAG_HASLOCK, PS_FST_FFLAG_HASLOCK },
748 { KF_FLAG_NOFOLLOW, PS_FST_FFLAG_NOFOLLOW },
749 { KF_FLAG_NONBLOCK, PS_FST_FFLAG_NONBLOCK },
750 { KF_FLAG_READ, PS_FST_FFLAG_READ },
751 { KF_FLAG_SHLOCK, PS_FST_FFLAG_SHLOCK },
752 { KF_FLAG_TRUNC, PS_FST_FFLAG_TRUNC },
753 { KF_FLAG_WRITE, PS_FST_FFLAG_WRITE }
755 #define NKFFLAGS (sizeof(kfflags2fst) / sizeof(*kfflags2fst))
760 for (i = 0; i < NKFFLAGS; i++)
761 if ((kfflags & kfflags2fst[i].kf_flag) != 0)
762 flags |= kfflags2fst[i].fst_flag;
767 kinfo_uflags2fst(int fd)
771 case KF_FD_TYPE_CTTY:
772 return (PS_FST_UFLAG_CTTY);
774 return (PS_FST_UFLAG_CDIR);
775 case KF_FD_TYPE_JAIL:
776 return (PS_FST_UFLAG_JAIL);
777 case KF_FD_TYPE_TEXT:
778 return (PS_FST_UFLAG_TEXT);
779 case KF_FD_TYPE_TRACE:
780 return (PS_FST_UFLAG_TRACE);
781 case KF_FD_TYPE_ROOT:
782 return (PS_FST_UFLAG_RDIR);
787 static struct kinfo_file *
788 kinfo_getfile_core(struct procstat_core *core, int *cntp)
793 struct kinfo_file *kif, *kp, *kf;
795 buf = procstat_core_get(core, PSC_TYPE_FILES, NULL, &len);
799 * XXXMG: The code below is just copy&past from libutil.
800 * The code duplication can be avoided if libutil
801 * is extended to provide something like:
802 * struct kinfo_file *kinfo_getfile_from_buf(const char *buf,
803 * size_t len, int *cntp);
806 /* Pass 1: count items */
811 kf = (struct kinfo_file *)(uintptr_t)bp;
812 if (kf->kf_structsize == 0)
814 bp += kf->kf_structsize;
818 kif = calloc(cnt, sizeof(*kif));
828 kf = (struct kinfo_file *)(uintptr_t)bp;
829 if (kf->kf_structsize == 0)
831 /* Copy/expand into pre-zeroed buffer */
832 memcpy(kp, kf, kf->kf_structsize);
833 /* Advance to next packed record */
834 bp += kf->kf_structsize;
835 /* Set field size to fixed length, advance */
836 kp->kf_structsize = sizeof(*kp);
841 return (kif); /* Caller must free() return value */
844 static struct filestat_list *
845 procstat_getfiles_sysctl(struct procstat *procstat, struct kinfo_proc *kp,
848 struct kinfo_file *kif, *files;
849 struct kinfo_vmentry *kve, *vmentries;
850 struct filestat_list *head;
851 struct filestat *entry;
857 cap_rights_t cap_rights;
860 if (kp->ki_fd == NULL)
862 switch(procstat->type) {
863 case PROCSTAT_SYSCTL:
864 files = kinfo_getfile(kp->ki_pid, &cnt);
867 files = kinfo_getfile_core(procstat->core, &cnt);
870 assert(!"invalid type");
872 if (files == NULL && errno != EPERM) {
873 warn("kinfo_getfile()");
876 procstat->files = files;
879 * Allocate list head.
881 head = malloc(sizeof(*head));
885 for (i = 0; i < cnt; i++) {
888 type = kinfo_type2fst(kif->kf_type);
889 fd = kif->kf_fd >= 0 ? kif->kf_fd : -1;
890 fflags = kinfo_fflags2fst(kif->kf_flags);
891 uflags = kinfo_uflags2fst(kif->kf_fd);
892 refcount = kif->kf_ref_count;
893 offset = kif->kf_offset;
894 if (*kif->kf_path != '\0')
895 path = strdup(kif->kf_path);
898 cap_rights = kif->kf_cap_rights;
901 * Create filestat entry.
903 entry = filestat_new_entry(kif, type, fd, fflags, uflags,
904 refcount, offset, path, &cap_rights);
906 STAILQ_INSERT_TAIL(head, entry, next);
909 vmentries = procstat_getvmmap(procstat, kp, &cnt);
910 procstat->vmentries = vmentries;
911 if (vmentries == NULL || cnt == 0)
913 for (i = 0; i < cnt; i++) {
915 if (kve->kve_type != KVME_TYPE_VNODE)
918 if (kve->kve_protection & KVME_PROT_READ)
919 fflags = PS_FST_FFLAG_READ;
920 if ((kve->kve_flags & KVME_FLAG_COW) == 0 &&
921 kve->kve_protection & KVME_PROT_WRITE)
922 fflags |= PS_FST_FFLAG_WRITE;
923 offset = kve->kve_offset;
924 refcount = kve->kve_ref_count;
925 if (*kve->kve_path != '\0')
926 path = strdup(kve->kve_path);
929 entry = filestat_new_entry(kve, PS_FST_TYPE_VNODE, -1,
930 fflags, PS_FST_UFLAG_MMAP, refcount, offset, path,
933 STAILQ_INSERT_TAIL(head, entry, next);
941 procstat_get_pipe_info(struct procstat *procstat, struct filestat *fst,
942 struct pipestat *ps, char *errbuf)
946 if (procstat->type == PROCSTAT_KVM) {
947 return (procstat_get_pipe_info_kvm(procstat->kd, fst, ps,
949 } else if (procstat->type == PROCSTAT_SYSCTL ||
950 procstat->type == PROCSTAT_CORE) {
951 return (procstat_get_pipe_info_sysctl(fst, ps, errbuf));
953 warnx("unknown access method: %d", procstat->type);
955 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
961 procstat_get_pipe_info_kvm(kvm_t *kd, struct filestat *fst,
962 struct pipestat *ps, char *errbuf)
970 bzero(ps, sizeof(*ps));
971 pipep = fst->fs_typedep;
974 if (!kvm_read_all(kd, (unsigned long)pipep, &pi, sizeof(struct pipe))) {
975 warnx("can't read pipe at %p", (void *)pipep);
978 ps->addr = (uintptr_t)pipep;
979 ps->peer = (uintptr_t)pi.pipe_peer;
980 ps->buffer_cnt = pi.pipe_buffer.cnt;
985 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
990 procstat_get_pipe_info_sysctl(struct filestat *fst, struct pipestat *ps,
991 char *errbuf __unused)
993 struct kinfo_file *kif;
997 bzero(ps, sizeof(*ps));
998 kif = fst->fs_typedep;
1001 ps->addr = kif->kf_un.kf_pipe.kf_pipe_addr;
1002 ps->peer = kif->kf_un.kf_pipe.kf_pipe_peer;
1003 ps->buffer_cnt = kif->kf_un.kf_pipe.kf_pipe_buffer_cnt;
1008 procstat_get_pts_info(struct procstat *procstat, struct filestat *fst,
1009 struct ptsstat *pts, char *errbuf)
1013 if (procstat->type == PROCSTAT_KVM) {
1014 return (procstat_get_pts_info_kvm(procstat->kd, fst, pts,
1016 } else if (procstat->type == PROCSTAT_SYSCTL ||
1017 procstat->type == PROCSTAT_CORE) {
1018 return (procstat_get_pts_info_sysctl(fst, pts, errbuf));
1020 warnx("unknown access method: %d", procstat->type);
1022 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1028 procstat_get_pts_info_kvm(kvm_t *kd, struct filestat *fst,
1029 struct ptsstat *pts, char *errbuf)
1037 bzero(pts, sizeof(*pts));
1038 ttyp = fst->fs_typedep;
1041 if (!kvm_read_all(kd, (unsigned long)ttyp, &tty, sizeof(struct tty))) {
1042 warnx("can't read tty at %p", (void *)ttyp);
1045 pts->dev = dev2udev(kd, tty.t_dev);
1046 (void)kdevtoname(kd, tty.t_dev, pts->devname);
1051 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1056 procstat_get_pts_info_sysctl(struct filestat *fst, struct ptsstat *pts,
1057 char *errbuf __unused)
1059 struct kinfo_file *kif;
1063 bzero(pts, sizeof(*pts));
1064 kif = fst->fs_typedep;
1067 pts->dev = kif->kf_un.kf_pts.kf_pts_dev;
1068 strlcpy(pts->devname, kif->kf_path, sizeof(pts->devname));
1073 procstat_get_sem_info(struct procstat *procstat, struct filestat *fst,
1074 struct semstat *sem, char *errbuf)
1078 if (procstat->type == PROCSTAT_KVM) {
1079 return (procstat_get_sem_info_kvm(procstat->kd, fst, sem,
1081 } else if (procstat->type == PROCSTAT_SYSCTL ||
1082 procstat->type == PROCSTAT_CORE) {
1083 return (procstat_get_sem_info_sysctl(fst, sem, errbuf));
1085 warnx("unknown access method: %d", procstat->type);
1087 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1093 procstat_get_sem_info_kvm(kvm_t *kd, struct filestat *fst,
1094 struct semstat *sem, char *errbuf)
1104 bzero(sem, sizeof(*sem));
1105 ksemp = fst->fs_typedep;
1108 if (!kvm_read_all(kd, (unsigned long)ksemp, &ksem,
1109 sizeof(struct ksem))) {
1110 warnx("can't read ksem at %p", (void *)ksemp);
1113 sem->mode = S_IFREG | ksem.ks_mode;
1114 sem->value = ksem.ks_value;
1115 if (fst->fs_path == NULL && ksem.ks_path != NULL) {
1116 path = malloc(MAXPATHLEN);
1117 for (i = 0; i < MAXPATHLEN - 1; i++) {
1118 if (!kvm_read_all(kd, (unsigned long)ksem.ks_path + i,
1121 if (path[i] == '\0')
1128 fst->fs_path = path;
1134 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1139 procstat_get_sem_info_sysctl(struct filestat *fst, struct semstat *sem,
1140 char *errbuf __unused)
1142 struct kinfo_file *kif;
1146 bzero(sem, sizeof(*sem));
1147 kif = fst->fs_typedep;
1150 sem->value = kif->kf_un.kf_sem.kf_sem_value;
1151 sem->mode = kif->kf_un.kf_sem.kf_sem_mode;
1156 procstat_get_shm_info(struct procstat *procstat, struct filestat *fst,
1157 struct shmstat *shm, char *errbuf)
1161 if (procstat->type == PROCSTAT_KVM) {
1162 return (procstat_get_shm_info_kvm(procstat->kd, fst, shm,
1164 } else if (procstat->type == PROCSTAT_SYSCTL ||
1165 procstat->type == PROCSTAT_CORE) {
1166 return (procstat_get_shm_info_sysctl(fst, shm, errbuf));
1168 warnx("unknown access method: %d", procstat->type);
1170 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1176 procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst,
1177 struct shmstat *shm, char *errbuf)
1187 bzero(shm, sizeof(*shm));
1188 shmfdp = fst->fs_typedep;
1191 if (!kvm_read_all(kd, (unsigned long)shmfdp, &shmfd,
1192 sizeof(struct shmfd))) {
1193 warnx("can't read shmfd at %p", (void *)shmfdp);
1196 shm->mode = S_IFREG | shmfd.shm_mode;
1197 shm->size = shmfd.shm_size;
1198 if (fst->fs_path == NULL && shmfd.shm_path != NULL) {
1199 path = malloc(MAXPATHLEN);
1200 for (i = 0; i < MAXPATHLEN - 1; i++) {
1201 if (!kvm_read_all(kd, (unsigned long)shmfd.shm_path + i,
1204 if (path[i] == '\0')
1211 fst->fs_path = path;
1217 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1222 procstat_get_shm_info_sysctl(struct filestat *fst, struct shmstat *shm,
1223 char *errbuf __unused)
1225 struct kinfo_file *kif;
1229 bzero(shm, sizeof(*shm));
1230 kif = fst->fs_typedep;
1233 shm->size = kif->kf_un.kf_file.kf_file_size;
1234 shm->mode = kif->kf_un.kf_file.kf_file_mode;
1239 procstat_get_vnode_info(struct procstat *procstat, struct filestat *fst,
1240 struct vnstat *vn, char *errbuf)
1244 if (procstat->type == PROCSTAT_KVM) {
1245 return (procstat_get_vnode_info_kvm(procstat->kd, fst, vn,
1247 } else if (procstat->type == PROCSTAT_SYSCTL ||
1248 procstat->type == PROCSTAT_CORE) {
1249 return (procstat_get_vnode_info_sysctl(fst, vn, errbuf));
1251 warnx("unknown access method: %d", procstat->type);
1253 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1259 procstat_get_vnode_info_kvm(kvm_t *kd, struct filestat *fst,
1260 struct vnstat *vn, char *errbuf)
1262 /* Filesystem specific handlers. */
1263 #define FSTYPE(fst) {#fst, fst##_filestat}
1266 int (*handler)(kvm_t *kd, struct vnode *vp,
1276 #ifdef LIBPROCSTAT_ZFS
1280 #define NTYPES (sizeof(fstypes) / sizeof(*fstypes))
1290 vp = fst->fs_typedep;
1293 error = kvm_read_all(kd, (unsigned long)vp, &vnode, sizeof(vnode));
1295 warnx("can't read vnode at %p", (void *)vp);
1298 bzero(vn, sizeof(*vn));
1299 vn->vn_type = vntype2psfsttype(vnode.v_type);
1300 if (vnode.v_type == VNON || vnode.v_type == VBAD)
1302 error = kvm_read_all(kd, (unsigned long)vnode.v_lock.lock_object.lo_name,
1303 tagstr, sizeof(tagstr));
1305 warnx("can't read lo_name at %p", (void *)vp);
1308 tagstr[sizeof(tagstr) - 1] = '\0';
1311 * Find appropriate handler.
1313 for (i = 0; i < NTYPES; i++)
1314 if (!strcmp(fstypes[i].tag, tagstr)) {
1315 if (fstypes[i].handler(kd, &vnode, vn) != 0) {
1322 snprintf(errbuf, _POSIX2_LINE_MAX, "?(%s)", tagstr);
1325 vn->vn_mntdir = getmnton(kd, vnode.v_mount);
1326 if ((vnode.v_type == VBLK || vnode.v_type == VCHR) &&
1327 vnode.v_rdev != NULL){
1328 vn->vn_dev = dev2udev(kd, vnode.v_rdev);
1329 (void)kdevtoname(kd, vnode.v_rdev, vn->vn_devname);
1337 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1342 * kinfo vnode type to filestat translation.
1345 kinfo_vtype2fst(int kfvtype)
1350 } kfvtypes2fst[] = {
1351 { KF_VTYPE_VBAD, PS_FST_VTYPE_VBAD },
1352 { KF_VTYPE_VBLK, PS_FST_VTYPE_VBLK },
1353 { KF_VTYPE_VCHR, PS_FST_VTYPE_VCHR },
1354 { KF_VTYPE_VDIR, PS_FST_VTYPE_VDIR },
1355 { KF_VTYPE_VFIFO, PS_FST_VTYPE_VFIFO },
1356 { KF_VTYPE_VLNK, PS_FST_VTYPE_VLNK },
1357 { KF_VTYPE_VNON, PS_FST_VTYPE_VNON },
1358 { KF_VTYPE_VREG, PS_FST_VTYPE_VREG },
1359 { KF_VTYPE_VSOCK, PS_FST_VTYPE_VSOCK }
1361 #define NKFVTYPES (sizeof(kfvtypes2fst) / sizeof(*kfvtypes2fst))
1364 for (i = 0; i < NKFVTYPES; i++)
1365 if (kfvtypes2fst[i].kf_vtype == kfvtype)
1368 return (PS_FST_VTYPE_UNKNOWN);
1369 return (kfvtypes2fst[i].fst_vtype);
1373 procstat_get_vnode_info_sysctl(struct filestat *fst, struct vnstat *vn,
1376 struct statfs stbuf;
1377 struct kinfo_file *kif;
1378 struct kinfo_vmentry *kve;
1390 bzero(vn, sizeof(*vn));
1391 if (fst->fs_typedep == NULL)
1393 if (fst->fs_uflags & PS_FST_UFLAG_MMAP) {
1394 kve = fst->fs_typedep;
1395 fileid = kve->kve_vn_fileid;
1396 fsid = kve->kve_vn_fsid;
1397 mode = kve->kve_vn_mode;
1398 path = kve->kve_path;
1399 rdev = kve->kve_vn_rdev;
1400 size = kve->kve_vn_size;
1401 vntype = kinfo_vtype2fst(kve->kve_vn_type);
1402 status = kve->kve_status;
1404 kif = fst->fs_typedep;
1405 fileid = kif->kf_un.kf_file.kf_file_fileid;
1406 fsid = kif->kf_un.kf_file.kf_file_fsid;
1407 mode = kif->kf_un.kf_file.kf_file_mode;
1408 path = kif->kf_path;
1409 rdev = kif->kf_un.kf_file.kf_file_rdev;
1410 size = kif->kf_un.kf_file.kf_file_size;
1411 vntype = kinfo_vtype2fst(kif->kf_vnode_type);
1412 status = kif->kf_status;
1414 vn->vn_type = vntype;
1415 if (vntype == PS_FST_VTYPE_VNON || vntype == PS_FST_VTYPE_VBAD)
1417 if ((status & KF_ATTR_VALID) == 0) {
1418 if (errbuf != NULL) {
1419 snprintf(errbuf, _POSIX2_LINE_MAX,
1420 "? (no info available)");
1424 if (path && *path) {
1425 statfs(path, &stbuf);
1426 vn->vn_mntdir = strdup(stbuf.f_mntonname);
1428 vn->vn_mntdir = strdup("-");
1430 if (vntype == PS_FST_VTYPE_VBLK) {
1431 name = devname(rdev, S_IFBLK);
1433 strlcpy(vn->vn_devname, name,
1434 sizeof(vn->vn_devname));
1435 } else if (vntype == PS_FST_VTYPE_VCHR) {
1436 name = devname(vn->vn_dev, S_IFCHR);
1438 strlcpy(vn->vn_devname, name,
1439 sizeof(vn->vn_devname));
1442 vn->vn_fileid = fileid;
1449 procstat_get_socket_info(struct procstat *procstat, struct filestat *fst,
1450 struct sockstat *sock, char *errbuf)
1454 if (procstat->type == PROCSTAT_KVM) {
1455 return (procstat_get_socket_info_kvm(procstat->kd, fst, sock,
1457 } else if (procstat->type == PROCSTAT_SYSCTL ||
1458 procstat->type == PROCSTAT_CORE) {
1459 return (procstat_get_socket_info_sysctl(fst, sock, errbuf));
1461 warnx("unknown access method: %d", procstat->type);
1463 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1469 procstat_get_socket_info_kvm(kvm_t *kd, struct filestat *fst,
1470 struct sockstat *sock, char *errbuf)
1474 struct protosw proto;
1483 bzero(sock, sizeof(*sock));
1484 so = fst->fs_typedep;
1487 sock->so_addr = (uintptr_t)so;
1488 /* fill in socket */
1489 if (!kvm_read_all(kd, (unsigned long)so, &s,
1490 sizeof(struct socket))) {
1491 warnx("can't read sock at %p", (void *)so);
1494 /* fill in protosw entry */
1495 if (!kvm_read_all(kd, (unsigned long)s.so_proto, &proto,
1496 sizeof(struct protosw))) {
1497 warnx("can't read protosw at %p", (void *)s.so_proto);
1500 /* fill in domain */
1501 if (!kvm_read_all(kd, (unsigned long)proto.pr_domain, &dom,
1502 sizeof(struct domain))) {
1503 warnx("can't read domain at %p",
1504 (void *)proto.pr_domain);
1507 if ((len = kvm_read(kd, (unsigned long)dom.dom_name, sock->dname,
1508 sizeof(sock->dname) - 1)) < 0) {
1509 warnx("can't read domain name at %p", (void *)dom.dom_name);
1510 sock->dname[0] = '\0';
1513 sock->dname[len] = '\0';
1516 * Fill in known data.
1518 sock->type = s.so_type;
1519 sock->proto = proto.pr_protocol;
1520 sock->dom_family = dom.dom_family;
1521 sock->so_pcb = (uintptr_t)s.so_pcb;
1524 * Protocol specific data.
1526 switch(dom.dom_family) {
1529 if (proto.pr_protocol == IPPROTO_TCP) {
1531 if (kvm_read(kd, (u_long)s.so_pcb,
1532 (char *)&inpcb, sizeof(struct inpcb))
1533 != sizeof(struct inpcb)) {
1534 warnx("can't read inpcb at %p",
1538 (uintptr_t)inpcb.inp_ppcb;
1539 sock->sendq = s.so_snd.sb_ccc;
1540 sock->recvq = s.so_rcv.sb_ccc;
1546 if (kvm_read(kd, (u_long)s.so_pcb, (char *)&unpcb,
1547 sizeof(struct unpcb)) != sizeof(struct unpcb)){
1548 warnx("can't read unpcb at %p",
1550 } else if (unpcb.unp_conn) {
1551 sock->so_rcv_sb_state = s.so_rcv.sb_state;
1552 sock->so_snd_sb_state = s.so_snd.sb_state;
1553 sock->unp_conn = (uintptr_t)unpcb.unp_conn;
1554 sock->sendq = s.so_snd.sb_ccc;
1555 sock->recvq = s.so_rcv.sb_ccc;
1566 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1571 procstat_get_socket_info_sysctl(struct filestat *fst, struct sockstat *sock,
1572 char *errbuf __unused)
1574 struct kinfo_file *kif;
1578 bzero(sock, sizeof(*sock));
1579 kif = fst->fs_typedep;
1584 * Fill in known data.
1586 sock->type = kif->kf_sock_type;
1587 sock->proto = kif->kf_sock_protocol;
1588 sock->dom_family = kif->kf_sock_domain;
1589 sock->so_pcb = kif->kf_un.kf_sock.kf_sock_pcb;
1590 strlcpy(sock->dname, kif->kf_path, sizeof(sock->dname));
1591 bcopy(&kif->kf_un.kf_sock.kf_sa_local, &sock->sa_local,
1592 kif->kf_un.kf_sock.kf_sa_local.ss_len);
1593 bcopy(&kif->kf_un.kf_sock.kf_sa_peer, &sock->sa_peer,
1594 kif->kf_un.kf_sock.kf_sa_peer.ss_len);
1597 * Protocol specific data.
1599 switch(sock->dom_family) {
1602 if (sock->proto == IPPROTO_TCP) {
1603 sock->inp_ppcb = kif->kf_un.kf_sock.kf_sock_inpcb;
1604 sock->sendq = kif->kf_un.kf_sock.kf_sock_sendq;
1605 sock->recvq = kif->kf_un.kf_sock.kf_sock_recvq;
1609 if (kif->kf_un.kf_sock.kf_sock_unpconn != 0) {
1610 sock->so_rcv_sb_state =
1611 kif->kf_un.kf_sock.kf_sock_rcv_sb_state;
1612 sock->so_snd_sb_state =
1613 kif->kf_un.kf_sock.kf_sock_snd_sb_state;
1615 kif->kf_un.kf_sock.kf_sock_unpconn;
1616 sock->sendq = kif->kf_un.kf_sock.kf_sock_sendq;
1617 sock->recvq = kif->kf_un.kf_sock.kf_sock_recvq;
1627 * Descriptor flags to filestat translation.
1630 to_filestat_flags(int flags)
1636 { FREAD, PS_FST_FFLAG_READ },
1637 { FWRITE, PS_FST_FFLAG_WRITE },
1638 { O_APPEND, PS_FST_FFLAG_APPEND },
1639 { O_ASYNC, PS_FST_FFLAG_ASYNC },
1640 { O_CREAT, PS_FST_FFLAG_CREAT },
1641 { O_DIRECT, PS_FST_FFLAG_DIRECT },
1642 { O_EXCL, PS_FST_FFLAG_EXCL },
1643 { O_EXEC, PS_FST_FFLAG_EXEC },
1644 { O_EXLOCK, PS_FST_FFLAG_EXLOCK },
1645 { O_NOFOLLOW, PS_FST_FFLAG_NOFOLLOW },
1646 { O_NONBLOCK, PS_FST_FFLAG_NONBLOCK },
1647 { O_SHLOCK, PS_FST_FFLAG_SHLOCK },
1648 { O_SYNC, PS_FST_FFLAG_SYNC },
1649 { O_TRUNC, PS_FST_FFLAG_TRUNC }
1651 #define NFSTFLAGS (sizeof(fstflags) / sizeof(*fstflags))
1656 for (i = 0; i < NFSTFLAGS; i++)
1657 if (flags & fstflags[i].flag)
1658 fst_flags |= fstflags[i].fst_flag;
1663 * Vnode type to filestate translation.
1666 vntype2psfsttype(int type)
1672 { VBAD, PS_FST_VTYPE_VBAD },
1673 { VBLK, PS_FST_VTYPE_VBLK },
1674 { VCHR, PS_FST_VTYPE_VCHR },
1675 { VDIR, PS_FST_VTYPE_VDIR },
1676 { VFIFO, PS_FST_VTYPE_VFIFO },
1677 { VLNK, PS_FST_VTYPE_VLNK },
1678 { VNON, PS_FST_VTYPE_VNON },
1679 { VREG, PS_FST_VTYPE_VREG },
1680 { VSOCK, PS_FST_VTYPE_VSOCK }
1682 #define NVFTYPES (sizeof(vt2fst) / sizeof(*vt2fst))
1683 unsigned int i, fst_type;
1685 fst_type = PS_FST_VTYPE_UNKNOWN;
1686 for (i = 0; i < NVFTYPES; i++) {
1687 if (type == vt2fst[i].vtype) {
1688 fst_type = vt2fst[i].fst_vtype;
1696 getmnton(kvm_t *kd, struct mount *m)
1699 static struct mtab {
1702 char mntonname[MNAMELEN + 1];
1706 for (mt = mhead; mt != NULL; mt = mt->next)
1708 return (mt->mntonname);
1709 if (!kvm_read_all(kd, (unsigned long)m, &mnt, sizeof(struct mount))) {
1710 warnx("can't read mount table at %p", (void *)m);
1713 if ((mt = malloc(sizeof (struct mtab))) == NULL)
1716 bcopy(&mnt.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN);
1717 mt->mntonname[MNAMELEN] = '\0';
1720 return (mt->mntonname);
1724 * Auxiliary structures and functions to get process environment or
1725 * command line arguments.
1734 static struct argvec *
1735 argvec_alloc(size_t bufsize)
1739 av = malloc(sizeof(*av));
1742 av->bufsize = bufsize;
1743 av->buf = malloc(av->bufsize);
1744 if (av->buf == NULL) {
1749 av->argv = malloc(sizeof(char *) * av->argc);
1750 if (av->argv == NULL) {
1759 argvec_free(struct argvec * av)
1768 getargv(struct procstat *procstat, struct kinfo_proc *kp, size_t nchr, int env)
1770 int error, name[4], argc, i;
1771 struct argvec *av, **avp;
1778 if (procstat->type == PROCSTAT_KVM) {
1779 warnx("can't use kvm access method");
1782 if (procstat->type != PROCSTAT_SYSCTL &&
1783 procstat->type != PROCSTAT_CORE) {
1784 warnx("unknown access method: %d", procstat->type);
1788 if (nchr == 0 || nchr > ARG_MAX)
1791 avp = (struct argvec **)(env ? &procstat->argv : &procstat->envv);
1796 av = argvec_alloc(nchr);
1799 warn("malloc(%zu)", nchr);
1803 } else if (av->bufsize < nchr) {
1804 av->buf = reallocf(av->buf, nchr);
1805 if (av->buf == NULL) {
1806 warn("malloc(%zu)", nchr);
1810 if (procstat->type == PROCSTAT_SYSCTL) {
1812 name[1] = KERN_PROC;
1813 name[2] = env ? KERN_PROC_ENV : KERN_PROC_ARGS;
1814 name[3] = kp->ki_pid;
1816 error = sysctl(name, nitems(name), av->buf, &len, NULL, 0);
1817 if (error != 0 && errno != ESRCH && errno != EPERM)
1818 warn("sysctl(kern.proc.%s)", env ? "env" : "args");
1819 if (error != 0 || len == 0)
1821 } else /* procstat->type == PROCSTAT_CORE */ {
1822 type = env ? PSC_TYPE_ENVV : PSC_TYPE_ARGV;
1824 if (procstat_core_get(procstat->core, type, av->buf, &len)
1833 for (p = av->buf; p < av->buf + len; p += strlen(p) + 1) {
1839 argv = realloc(argv, sizeof(char *) * argc);
1841 warn("malloc(%zu)", sizeof(char *) * argc);
1853 * Return process command line arguments.
1856 procstat_getargv(struct procstat *procstat, struct kinfo_proc *p, size_t nchr)
1859 return (getargv(procstat, p, nchr, 0));
1863 * Free the buffer allocated by procstat_getargv().
1866 procstat_freeargv(struct procstat *procstat)
1869 if (procstat->argv != NULL) {
1870 argvec_free(procstat->argv);
1871 procstat->argv = NULL;
1876 * Return process environment.
1879 procstat_getenvv(struct procstat *procstat, struct kinfo_proc *p, size_t nchr)
1882 return (getargv(procstat, p, nchr, 1));
1886 * Free the buffer allocated by procstat_getenvv().
1889 procstat_freeenvv(struct procstat *procstat)
1891 if (procstat->envv != NULL) {
1892 argvec_free(procstat->envv);
1893 procstat->envv = NULL;
1897 static struct kinfo_vmentry *
1898 kinfo_getvmmap_core(struct procstat_core *core, int *cntp)
1902 char *buf, *bp, *eb;
1903 struct kinfo_vmentry *kiv, *kp, *kv;
1905 buf = procstat_core_get(core, PSC_TYPE_VMMAP, NULL, &len);
1910 * XXXMG: The code below is just copy&past from libutil.
1911 * The code duplication can be avoided if libutil
1912 * is extended to provide something like:
1913 * struct kinfo_vmentry *kinfo_getvmmap_from_buf(const char *buf,
1914 * size_t len, int *cntp);
1917 /* Pass 1: count items */
1922 kv = (struct kinfo_vmentry *)(uintptr_t)bp;
1923 if (kv->kve_structsize == 0)
1925 bp += kv->kve_structsize;
1929 kiv = calloc(cnt, sizeof(*kiv));
1937 /* Pass 2: unpack */
1939 kv = (struct kinfo_vmentry *)(uintptr_t)bp;
1940 if (kv->kve_structsize == 0)
1942 /* Copy/expand into pre-zeroed buffer */
1943 memcpy(kp, kv, kv->kve_structsize);
1944 /* Advance to next packed record */
1945 bp += kv->kve_structsize;
1946 /* Set field size to fixed length, advance */
1947 kp->kve_structsize = sizeof(*kp);
1952 return (kiv); /* Caller must free() return value */
1955 struct kinfo_vmentry *
1956 procstat_getvmmap(struct procstat *procstat, struct kinfo_proc *kp,
1960 switch(procstat->type) {
1962 warnx("kvm method is not supported");
1964 case PROCSTAT_SYSCTL:
1965 return (kinfo_getvmmap(kp->ki_pid, cntp));
1967 return (kinfo_getvmmap_core(procstat->core, cntp));
1969 warnx("unknown access method: %d", procstat->type);
1975 procstat_freevmmap(struct procstat *procstat __unused,
1976 struct kinfo_vmentry *vmmap)
1983 procstat_getgroups_kvm(kvm_t *kd, struct kinfo_proc *kp, unsigned int *cntp)
1992 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
1994 warnx("can't read proc struct at %p for pid %d",
1995 kp->ki_paddr, kp->ki_pid);
1998 if (proc.p_ucred == NOCRED)
2000 if (!kvm_read_all(kd, (unsigned long)proc.p_ucred, &ucred,
2002 warnx("can't read ucred struct at %p for pid %d",
2003 proc.p_ucred, kp->ki_pid);
2006 len = ucred.cr_ngroups * sizeof(gid_t);
2007 groups = malloc(len);
2008 if (groups == NULL) {
2009 warn("malloc(%zu)", len);
2012 if (!kvm_read_all(kd, (unsigned long)ucred.cr_groups, groups, len)) {
2013 warnx("can't read groups at %p for pid %d",
2014 ucred.cr_groups, kp->ki_pid);
2018 *cntp = ucred.cr_ngroups;
2023 procstat_getgroups_sysctl(pid_t pid, unsigned int *cntp)
2031 mib[2] = KERN_PROC_GROUPS;
2033 len = (sysconf(_SC_NGROUPS_MAX) + 1) * sizeof(gid_t);
2034 groups = malloc(len);
2035 if (groups == NULL) {
2036 warn("malloc(%zu)", len);
2039 if (sysctl(mib, nitems(mib), groups, &len, NULL, 0) == -1) {
2040 warn("sysctl: kern.proc.groups: %d", pid);
2044 *cntp = len / sizeof(gid_t);
2049 procstat_getgroups_core(struct procstat_core *core, unsigned int *cntp)
2054 groups = procstat_core_get(core, PSC_TYPE_GROUPS, NULL, &len);
2057 *cntp = len / sizeof(gid_t);
2062 procstat_getgroups(struct procstat *procstat, struct kinfo_proc *kp,
2065 switch(procstat->type) {
2067 return (procstat_getgroups_kvm(procstat->kd, kp, cntp));
2068 case PROCSTAT_SYSCTL:
2069 return (procstat_getgroups_sysctl(kp->ki_pid, cntp));
2071 return (procstat_getgroups_core(procstat->core, cntp));
2073 warnx("unknown access method: %d", procstat->type);
2079 procstat_freegroups(struct procstat *procstat __unused, gid_t *groups)
2086 procstat_getumask_kvm(kvm_t *kd, struct kinfo_proc *kp, unsigned short *maskp)
2092 if (kp->ki_fd == NULL)
2094 if (!kvm_read_all(kd, (unsigned long)kp->ki_fd, &fd, sizeof(fd))) {
2095 warnx("can't read filedesc at %p for pid %d", kp->ki_fd,
2099 *maskp = fd.fd_cmask;
2104 procstat_getumask_sysctl(pid_t pid, unsigned short *maskp)
2112 mib[2] = KERN_PROC_UMASK;
2114 len = sizeof(*maskp);
2115 error = sysctl(mib, nitems(mib), maskp, &len, NULL, 0);
2116 if (error != 0 && errno != ESRCH && errno != EPERM)
2117 warn("sysctl: kern.proc.umask: %d", pid);
2122 procstat_getumask_core(struct procstat_core *core, unsigned short *maskp)
2125 unsigned short *buf;
2127 buf = procstat_core_get(core, PSC_TYPE_UMASK, NULL, &len);
2130 if (len < sizeof(*maskp)) {
2140 procstat_getumask(struct procstat *procstat, struct kinfo_proc *kp,
2141 unsigned short *maskp)
2143 switch(procstat->type) {
2145 return (procstat_getumask_kvm(procstat->kd, kp, maskp));
2146 case PROCSTAT_SYSCTL:
2147 return (procstat_getumask_sysctl(kp->ki_pid, maskp));
2149 return (procstat_getumask_core(procstat->core, maskp));
2151 warnx("unknown access method: %d", procstat->type);
2157 procstat_getrlimit_kvm(kvm_t *kd, struct kinfo_proc *kp, int which,
2158 struct rlimit* rlimit)
2161 unsigned long offset;
2165 assert(which >= 0 && which < RLIM_NLIMITS);
2166 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
2168 warnx("can't read proc struct at %p for pid %d",
2169 kp->ki_paddr, kp->ki_pid);
2172 if (proc.p_limit == NULL)
2174 offset = (unsigned long)proc.p_limit + sizeof(struct rlimit) * which;
2175 if (!kvm_read_all(kd, offset, rlimit, sizeof(*rlimit))) {
2176 warnx("can't read rlimit struct at %p for pid %d",
2177 (void *)offset, kp->ki_pid);
2184 procstat_getrlimit_sysctl(pid_t pid, int which, struct rlimit* rlimit)
2190 name[1] = KERN_PROC;
2191 name[2] = KERN_PROC_RLIMIT;
2194 len = sizeof(struct rlimit);
2195 error = sysctl(name, nitems(name), rlimit, &len, NULL, 0);
2196 if (error < 0 && errno != ESRCH) {
2197 warn("sysctl: kern.proc.rlimit: %d", pid);
2200 if (error < 0 || len != sizeof(struct rlimit))
2206 procstat_getrlimit_core(struct procstat_core *core, int which,
2207 struct rlimit* rlimit)
2210 struct rlimit* rlimits;
2212 if (which < 0 || which >= RLIM_NLIMITS) {
2214 warn("getrlimit: which");
2217 rlimits = procstat_core_get(core, PSC_TYPE_RLIMIT, NULL, &len);
2218 if (rlimits == NULL)
2220 if (len < sizeof(struct rlimit) * RLIM_NLIMITS) {
2224 *rlimit = rlimits[which];
2230 procstat_getrlimit(struct procstat *procstat, struct kinfo_proc *kp, int which,
2231 struct rlimit* rlimit)
2233 switch(procstat->type) {
2235 return (procstat_getrlimit_kvm(procstat->kd, kp, which,
2237 case PROCSTAT_SYSCTL:
2238 return (procstat_getrlimit_sysctl(kp->ki_pid, which, rlimit));
2240 return (procstat_getrlimit_core(procstat->core, which, rlimit));
2242 warnx("unknown access method: %d", procstat->type);
2248 procstat_getpathname_sysctl(pid_t pid, char *pathname, size_t maxlen)
2254 name[1] = KERN_PROC;
2255 name[2] = KERN_PROC_PATHNAME;
2258 error = sysctl(name, nitems(name), pathname, &len, NULL, 0);
2259 if (error != 0 && errno != ESRCH)
2260 warn("sysctl: kern.proc.pathname: %d", pid);
2267 procstat_getpathname_core(struct procstat_core *core, char *pathname,
2270 struct kinfo_file *files;
2273 files = kinfo_getfile_core(core, &cnt);
2277 for (i = 0; i < cnt; i++) {
2278 if (files[i].kf_fd != KF_FD_TYPE_TEXT)
2280 strncpy(pathname, files[i].kf_path, maxlen);
2289 procstat_getpathname(struct procstat *procstat, struct kinfo_proc *kp,
2290 char *pathname, size_t maxlen)
2292 switch(procstat->type) {
2294 /* XXX: Return empty string. */
2298 case PROCSTAT_SYSCTL:
2299 return (procstat_getpathname_sysctl(kp->ki_pid, pathname,
2302 return (procstat_getpathname_core(procstat->core, pathname,
2305 warnx("unknown access method: %d", procstat->type);
2311 procstat_getosrel_kvm(kvm_t *kd, struct kinfo_proc *kp, int *osrelp)
2317 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
2319 warnx("can't read proc struct at %p for pid %d",
2320 kp->ki_paddr, kp->ki_pid);
2323 *osrelp = proc.p_osrel;
2328 procstat_getosrel_sysctl(pid_t pid, int *osrelp)
2334 name[1] = KERN_PROC;
2335 name[2] = KERN_PROC_OSREL;
2337 len = sizeof(*osrelp);
2338 error = sysctl(name, nitems(name), osrelp, &len, NULL, 0);
2339 if (error != 0 && errno != ESRCH)
2340 warn("sysctl: kern.proc.osrel: %d", pid);
2345 procstat_getosrel_core(struct procstat_core *core, int *osrelp)
2350 buf = procstat_core_get(core, PSC_TYPE_OSREL, NULL, &len);
2353 if (len < sizeof(*osrelp)) {
2363 procstat_getosrel(struct procstat *procstat, struct kinfo_proc *kp, int *osrelp)
2365 switch(procstat->type) {
2367 return (procstat_getosrel_kvm(procstat->kd, kp, osrelp));
2368 case PROCSTAT_SYSCTL:
2369 return (procstat_getosrel_sysctl(kp->ki_pid, osrelp));
2371 return (procstat_getosrel_core(procstat->core, osrelp));
2373 warnx("unknown access method: %d", procstat->type);
2378 #define PROC_AUXV_MAX 256
2380 #if __ELF_WORD_SIZE == 64
2381 static const char *elf32_sv_names[] = {
2387 is_elf32_sysctl(pid_t pid)
2391 static char sv_name[256];
2394 name[1] = KERN_PROC;
2395 name[2] = KERN_PROC_SV_NAME;
2397 len = sizeof(sv_name);
2398 error = sysctl(name, nitems(name), sv_name, &len, NULL, 0);
2399 if (error != 0 || len == 0)
2401 for (i = 0; i < sizeof(elf32_sv_names) / sizeof(*elf32_sv_names); i++) {
2402 if (strncmp(sv_name, elf32_sv_names[i], sizeof(sv_name)) == 0)
2408 static Elf_Auxinfo *
2409 procstat_getauxv32_sysctl(pid_t pid, unsigned int *cntp)
2412 Elf32_Auxinfo *auxv32;
2415 unsigned int i, count;
2419 name[1] = KERN_PROC;
2420 name[2] = KERN_PROC_AUXV;
2422 len = PROC_AUXV_MAX * sizeof(Elf32_Auxinfo);
2424 auxv32 = malloc(len);
2425 if (auxv32 == NULL) {
2426 warn("malloc(%zu)", len);
2429 if (sysctl(name, nitems(name), auxv32, &len, NULL, 0) == -1) {
2430 if (errno != ESRCH && errno != EPERM)
2431 warn("sysctl: kern.proc.auxv: %d: %d", pid, errno);
2434 count = len / sizeof(Elf_Auxinfo);
2435 auxv = malloc(count * sizeof(Elf_Auxinfo));
2437 warn("malloc(%zu)", count * sizeof(Elf_Auxinfo));
2440 for (i = 0; i < count; i++) {
2442 * XXX: We expect that values for a_type on a 32-bit platform
2443 * are directly mapped to values on 64-bit one, which is not
2446 auxv[i].a_type = auxv32[i].a_type;
2447 ptr = &auxv32[i].a_un;
2448 auxv[i].a_un.a_val = *((uint32_t *)ptr);
2455 #endif /* __ELF_WORD_SIZE == 64 */
2457 static Elf_Auxinfo *
2458 procstat_getauxv_sysctl(pid_t pid, unsigned int *cntp)
2464 #if __ELF_WORD_SIZE == 64
2465 if (is_elf32_sysctl(pid))
2466 return (procstat_getauxv32_sysctl(pid, cntp));
2469 name[1] = KERN_PROC;
2470 name[2] = KERN_PROC_AUXV;
2472 len = PROC_AUXV_MAX * sizeof(Elf_Auxinfo);
2475 warn("malloc(%zu)", len);
2478 if (sysctl(name, nitems(name), auxv, &len, NULL, 0) == -1) {
2479 if (errno != ESRCH && errno != EPERM)
2480 warn("sysctl: kern.proc.auxv: %d: %d", pid, errno);
2484 *cntp = len / sizeof(Elf_Auxinfo);
2488 static Elf_Auxinfo *
2489 procstat_getauxv_core(struct procstat_core *core, unsigned int *cntp)
2494 auxv = procstat_core_get(core, PSC_TYPE_AUXV, NULL, &len);
2497 *cntp = len / sizeof(Elf_Auxinfo);
2502 procstat_getauxv(struct procstat *procstat, struct kinfo_proc *kp,
2505 switch(procstat->type) {
2507 warnx("kvm method is not supported");
2509 case PROCSTAT_SYSCTL:
2510 return (procstat_getauxv_sysctl(kp->ki_pid, cntp));
2512 return (procstat_getauxv_core(procstat->core, cntp));
2514 warnx("unknown access method: %d", procstat->type);
2520 procstat_freeauxv(struct procstat *procstat __unused, Elf_Auxinfo *auxv)
2526 static struct ptrace_lwpinfo *
2527 procstat_getptlwpinfo_core(struct procstat_core *core, unsigned int *cntp)
2530 struct ptrace_lwpinfo *pl;
2534 cnt = procstat_core_note_count(core, PSC_TYPE_PTLWPINFO);
2538 len = cnt * sizeof(*pl);
2539 buf = calloc(1, len);
2540 pl = procstat_core_get(core, PSC_TYPE_PTLWPINFO, buf, &len);
2545 *cntp = len / sizeof(*pl);
2549 struct ptrace_lwpinfo *
2550 procstat_getptlwpinfo(struct procstat *procstat, unsigned int *cntp)
2552 switch (procstat->type) {
2554 warnx("kvm method is not supported");
2556 case PROCSTAT_SYSCTL:
2557 warnx("sysctl method is not supported");
2560 return (procstat_getptlwpinfo_core(procstat->core, cntp));
2562 warnx("unknown access method: %d", procstat->type);
2568 procstat_freeptlwpinfo(struct procstat *procstat __unused,
2569 struct ptrace_lwpinfo *pl)
2574 static struct kinfo_kstack *
2575 procstat_getkstack_sysctl(pid_t pid, int *cntp)
2577 struct kinfo_kstack *kkstp;
2582 name[1] = KERN_PROC;
2583 name[2] = KERN_PROC_KSTACK;
2587 error = sysctl(name, nitems(name), NULL, &len, NULL, 0);
2588 if (error < 0 && errno != ESRCH && errno != EPERM && errno != ENOENT) {
2589 warn("sysctl: kern.proc.kstack: %d", pid);
2592 if (error == -1 && errno == ENOENT) {
2593 warnx("sysctl: kern.proc.kstack unavailable"
2594 " (options DDB or options STACK required in kernel)");
2599 kkstp = malloc(len);
2600 if (kkstp == NULL) {
2601 warn("malloc(%zu)", len);
2604 if (sysctl(name, nitems(name), kkstp, &len, NULL, 0) == -1) {
2605 warn("sysctl: kern.proc.pid: %d", pid);
2609 *cntp = len / sizeof(*kkstp);
2614 struct kinfo_kstack *
2615 procstat_getkstack(struct procstat *procstat, struct kinfo_proc *kp,
2618 switch(procstat->type) {
2620 warnx("kvm method is not supported");
2622 case PROCSTAT_SYSCTL:
2623 return (procstat_getkstack_sysctl(kp->ki_pid, cntp));
2625 warnx("core method is not supported");
2628 warnx("unknown access method: %d", procstat->type);
2634 procstat_freekstack(struct procstat *procstat __unused,
2635 struct kinfo_kstack *kkstp)