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>
73 #include <sys/filedesc.h>
75 #include <ufs/ufs/quota.h>
76 #include <ufs/ufs/inode.h>
77 #include <fs/devfs/devfs.h>
78 #include <fs/devfs/devfs_int.h>
80 #include <nfs/nfsproto.h>
81 #include <nfsclient/nfs.h>
82 #include <nfsclient/nfsnode.h>
85 #include <vm/vm_map.h>
86 #include <vm/vm_object.h>
88 #include <net/route.h>
89 #include <netinet/in.h>
90 #include <netinet/in_systm.h>
91 #include <netinet/ip.h>
93 #include <netinet/in_pcb.h>
111 #include <libprocstat.h>
112 #include "libprocstat_internal.h"
113 #include "common_kvm.h"
116 int statfs(const char *, struct statfs *); /* XXX */
118 #define PROCSTAT_KVM 1
119 #define PROCSTAT_SYSCTL 2
120 #define PROCSTAT_CORE 3
122 static char **getargv(struct procstat *procstat, struct kinfo_proc *kp,
123 size_t nchr, int env);
124 static char *getmnton(kvm_t *kd, struct mount *m);
125 static struct kinfo_vmentry * kinfo_getvmmap_core(struct procstat_core *core,
127 static Elf_Auxinfo *procstat_getauxv_core(struct procstat_core *core,
129 static Elf_Auxinfo *procstat_getauxv_sysctl(pid_t pid, unsigned int *cntp);
130 static struct filestat_list *procstat_getfiles_kvm(
131 struct procstat *procstat, struct kinfo_proc *kp, int mmapped);
132 static struct filestat_list *procstat_getfiles_sysctl(
133 struct procstat *procstat, struct kinfo_proc *kp, int mmapped);
134 static int procstat_get_pipe_info_sysctl(struct filestat *fst,
135 struct pipestat *pipe, char *errbuf);
136 static int procstat_get_pipe_info_kvm(kvm_t *kd, struct filestat *fst,
137 struct pipestat *pipe, char *errbuf);
138 static int procstat_get_pts_info_sysctl(struct filestat *fst,
139 struct ptsstat *pts, char *errbuf);
140 static int procstat_get_pts_info_kvm(kvm_t *kd, struct filestat *fst,
141 struct ptsstat *pts, char *errbuf);
142 static int procstat_get_sem_info_sysctl(struct filestat *fst,
143 struct semstat *sem, char *errbuf);
144 static int procstat_get_sem_info_kvm(kvm_t *kd, struct filestat *fst,
145 struct semstat *sem, char *errbuf);
146 static int procstat_get_shm_info_sysctl(struct filestat *fst,
147 struct shmstat *shm, char *errbuf);
148 static int procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst,
149 struct shmstat *shm, char *errbuf);
150 static int procstat_get_socket_info_sysctl(struct filestat *fst,
151 struct sockstat *sock, char *errbuf);
152 static int procstat_get_socket_info_kvm(kvm_t *kd, struct filestat *fst,
153 struct sockstat *sock, char *errbuf);
154 static int to_filestat_flags(int flags);
155 static int procstat_get_vnode_info_kvm(kvm_t *kd, struct filestat *fst,
156 struct vnstat *vn, char *errbuf);
157 static int procstat_get_vnode_info_sysctl(struct filestat *fst,
158 struct vnstat *vn, char *errbuf);
159 static gid_t *procstat_getgroups_core(struct procstat_core *core,
160 unsigned int *count);
161 static gid_t * procstat_getgroups_kvm(kvm_t *kd, struct kinfo_proc *kp,
162 unsigned int *count);
163 static gid_t *procstat_getgroups_sysctl(pid_t pid, unsigned int *count);
164 static struct kinfo_kstack *procstat_getkstack_sysctl(pid_t pid,
166 static int procstat_getosrel_core(struct procstat_core *core,
168 static int procstat_getosrel_kvm(kvm_t *kd, struct kinfo_proc *kp,
170 static int procstat_getosrel_sysctl(pid_t pid, int *osrelp);
171 static int procstat_getpathname_core(struct procstat_core *core,
172 char *pathname, size_t maxlen);
173 static int procstat_getpathname_sysctl(pid_t pid, char *pathname,
175 static int procstat_getrlimit_core(struct procstat_core *core, int which,
176 struct rlimit* rlimit);
177 static int procstat_getrlimit_kvm(kvm_t *kd, struct kinfo_proc *kp,
178 int which, struct rlimit* rlimit);
179 static int procstat_getrlimit_sysctl(pid_t pid, int which,
180 struct rlimit* rlimit);
181 static int procstat_getumask_core(struct procstat_core *core,
182 unsigned short *maskp);
183 static int procstat_getumask_kvm(kvm_t *kd, struct kinfo_proc *kp,
184 unsigned short *maskp);
185 static int procstat_getumask_sysctl(pid_t pid, unsigned short *maskp);
186 static int vntype2psfsttype(int type);
189 procstat_close(struct procstat *procstat)
193 if (procstat->type == PROCSTAT_KVM)
194 kvm_close(procstat->kd);
195 else if (procstat->type == PROCSTAT_CORE)
196 procstat_core_close(procstat->core);
197 procstat_freeargv(procstat);
198 procstat_freeenvv(procstat);
203 procstat_open_sysctl(void)
205 struct procstat *procstat;
207 procstat = calloc(1, sizeof(*procstat));
208 if (procstat == NULL) {
212 procstat->type = PROCSTAT_SYSCTL;
217 procstat_open_kvm(const char *nlistf, const char *memf)
219 struct procstat *procstat;
221 char buf[_POSIX2_LINE_MAX];
223 procstat = calloc(1, sizeof(*procstat));
224 if (procstat == NULL) {
228 kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf);
230 warnx("kvm_openfiles(): %s", buf);
234 procstat->type = PROCSTAT_KVM;
240 procstat_open_core(const char *filename)
242 struct procstat *procstat;
243 struct procstat_core *core;
245 procstat = calloc(1, sizeof(*procstat));
246 if (procstat == NULL) {
250 core = procstat_core_open(filename);
255 procstat->type = PROCSTAT_CORE;
256 procstat->core = core;
261 procstat_getprocs(struct procstat *procstat, int what, int arg,
264 struct kinfo_proc *p0, *p;
273 if (procstat->type == PROCSTAT_KVM) {
275 p0 = kvm_getprocs(procstat->kd, what, arg, &cnt);
276 if (p0 == NULL || cnt <= 0)
279 len = *count * sizeof(*p);
282 warnx("malloc(%zu)", len);
287 } else if (procstat->type == PROCSTAT_SYSCTL) {
293 error = sysctl(name, nitems(name), NULL, &len, NULL, 0);
294 if (error < 0 && errno != EPERM) {
295 warn("sysctl(kern.proc)");
299 warnx("no processes?");
304 p = reallocf(p, len);
306 warnx("reallocf(%zu)", len);
310 error = sysctl(name, nitems(name), p, &len, NULL, 0);
311 } while (error < 0 && errno == ENOMEM && olen == len);
312 if (error < 0 && errno != EPERM) {
313 warn("sysctl(kern.proc)");
316 /* Perform simple consistency checks. */
317 if ((len % sizeof(*p)) != 0 || p->ki_structsize != sizeof(*p)) {
318 warnx("kinfo_proc structure size mismatch (len = %zu)", len);
321 *count = len / sizeof(*p);
323 } else if (procstat->type == PROCSTAT_CORE) {
324 p = procstat_core_get(procstat->core, PSC_TYPE_PROC, NULL,
326 if ((len % sizeof(*p)) != 0 || p->ki_structsize != sizeof(*p)) {
327 warnx("kinfo_proc structure size mismatch");
330 *count = len / sizeof(*p);
333 warnx("unknown access method: %d", procstat->type);
343 procstat_freeprocs(struct procstat *procstat __unused, struct kinfo_proc *p)
351 struct filestat_list *
352 procstat_getfiles(struct procstat *procstat, struct kinfo_proc *kp, int mmapped)
355 switch(procstat->type) {
357 return (procstat_getfiles_kvm(procstat, kp, mmapped));
358 case PROCSTAT_SYSCTL:
360 return (procstat_getfiles_sysctl(procstat, kp, mmapped));
362 warnx("unknown access method: %d", procstat->type);
368 procstat_freefiles(struct procstat *procstat, struct filestat_list *head)
370 struct filestat *fst, *tmp;
372 STAILQ_FOREACH_SAFE(fst, head, next, tmp) {
373 if (fst->fs_path != NULL)
378 if (procstat->vmentries != NULL) {
379 free(procstat->vmentries);
380 procstat->vmentries = NULL;
382 if (procstat->files != NULL) {
383 free(procstat->files);
384 procstat->files = NULL;
388 static struct filestat *
389 filestat_new_entry(void *typedep, int type, int fd, int fflags, int uflags,
390 int refcount, off_t offset, char *path, cap_rights_t *cap_rightsp)
392 struct filestat *entry;
394 entry = calloc(1, sizeof(*entry));
399 entry->fs_typedep = typedep;
400 entry->fs_fflags = fflags;
401 entry->fs_uflags = uflags;
403 entry->fs_type = type;
404 entry->fs_ref_count = refcount;
405 entry->fs_offset = offset;
406 entry->fs_path = path;
407 if (cap_rightsp != NULL)
408 entry->fs_cap_rights = *cap_rightsp;
410 cap_rights_init(&entry->fs_cap_rights);
414 static struct vnode *
415 getctty(kvm_t *kd, struct kinfo_proc *kp)
423 error = kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
426 warnx("can't read proc struct at %p for pid %d",
427 kp->ki_paddr, kp->ki_pid);
430 if (proc.p_pgrp == NULL)
432 error = kvm_read_all(kd, (unsigned long)proc.p_pgrp, &pgrp,
435 warnx("can't read pgrp struct at %p for pid %d",
436 proc.p_pgrp, kp->ki_pid);
439 error = kvm_read_all(kd, (unsigned long)pgrp.pg_session, &sess,
442 warnx("can't read session struct at %p for pid %d",
443 pgrp.pg_session, kp->ki_pid);
446 return (sess.s_ttyvp);
450 procstat_vm_map_reader(void *token, vm_map_entry_t addr, vm_map_entry_t dest)
455 return (kvm_read_all(kd, (unsigned long)addr, dest, sizeof(*dest)));
458 static struct filestat_list *
459 procstat_getfiles_kvm(struct procstat *procstat, struct kinfo_proc *kp, int mmapped)
462 struct filedesc filed;
463 struct pwddesc pathsd;
464 struct fdescenttbl *fdt;
466 unsigned long pwd_addr;
467 struct vm_map_entry vmentry;
468 struct vm_object object;
469 struct vmspace vmspace;
470 vm_map_entry_t entryp;
473 struct filestat *entry;
474 struct filestat_list *head;
488 if (kp->ki_fd == NULL || kp->ki_pd == NULL)
490 if (!kvm_read_all(kd, (unsigned long)kp->ki_fd, &filed,
492 warnx("can't read filedesc at %p", (void *)kp->ki_fd);
495 if (!kvm_read_all(kd, (unsigned long)kp->ki_pd, &pathsd,
497 warnx("can't read pwddesc at %p", (void *)kp->ki_pd);
501 pwd_addr = (unsigned long)(PWDDESC_KVM_LOAD_PWD(&pathsd));
503 if (!kvm_read_all(kd, pwd_addr, &pwd, sizeof(pwd))) {
504 warnx("can't read fd_pwd at %p", (void *)pwd_addr);
511 * Allocate list head.
513 head = malloc(sizeof(*head));
518 /* root directory vnode, if one. */
521 entry = filestat_new_entry(pwd.pwd_rdir, PS_FST_TYPE_VNODE, -1,
522 PS_FST_FFLAG_READ, PS_FST_UFLAG_RDIR, 0, 0, NULL, NULL);
524 STAILQ_INSERT_TAIL(head, entry, next);
526 /* current working directory vnode. */
528 entry = filestat_new_entry(pwd.pwd_cdir, PS_FST_TYPE_VNODE, -1,
529 PS_FST_FFLAG_READ, PS_FST_UFLAG_CDIR, 0, 0, NULL, NULL);
531 STAILQ_INSERT_TAIL(head, entry, next);
533 /* jail root, if any. */
535 entry = filestat_new_entry(pwd.pwd_jdir, PS_FST_TYPE_VNODE, -1,
536 PS_FST_FFLAG_READ, PS_FST_UFLAG_JAIL, 0, 0, NULL, NULL);
538 STAILQ_INSERT_TAIL(head, entry, next);
541 /* ktrace vnode, if one */
543 entry = filestat_new_entry(kp->ki_tracep, PS_FST_TYPE_VNODE, -1,
544 PS_FST_FFLAG_READ | PS_FST_FFLAG_WRITE,
545 PS_FST_UFLAG_TRACE, 0, 0, NULL, NULL);
547 STAILQ_INSERT_TAIL(head, entry, next);
549 /* text vnode, if one */
551 entry = filestat_new_entry(kp->ki_textvp, PS_FST_TYPE_VNODE, -1,
552 PS_FST_FFLAG_READ, PS_FST_UFLAG_TEXT, 0, 0, NULL, NULL);
554 STAILQ_INSERT_TAIL(head, entry, next);
556 /* Controlling terminal. */
557 if ((vp = getctty(kd, kp)) != NULL) {
558 entry = filestat_new_entry(vp, PS_FST_TYPE_VNODE, -1,
559 PS_FST_FFLAG_READ | PS_FST_FFLAG_WRITE,
560 PS_FST_UFLAG_CTTY, 0, 0, NULL, NULL);
562 STAILQ_INSERT_TAIL(head, entry, next);
565 if (!kvm_read_all(kd, (unsigned long)filed.fd_files, &nfiles,
567 warnx("can't read fd_files at %p", (void *)filed.fd_files);
571 fdt_size = sizeof(*fdt) + nfiles * sizeof(struct filedescent);
572 fdt = malloc(fdt_size);
574 warn("malloc(%zu)", fdt_size);
577 if (!kvm_read_all(kd, (unsigned long)filed.fd_files, fdt, fdt_size)) {
578 warnx("cannot read file structures at %p", (void *)filed.fd_files);
582 for (i = 0; i < nfiles; i++) {
583 if (fdt->fdt_ofiles[i].fde_file == NULL) {
586 if (!kvm_read_all(kd, (unsigned long)fdt->fdt_ofiles[i].fde_file, &file,
587 sizeof(struct file))) {
588 warnx("can't read file %d at %p", i,
589 (void *)fdt->fdt_ofiles[i].fde_file);
592 switch (file.f_type) {
594 type = PS_FST_TYPE_VNODE;
598 type = PS_FST_TYPE_SOCKET;
602 type = PS_FST_TYPE_PIPE;
606 type = PS_FST_TYPE_FIFO;
611 type = PS_FST_TYPE_PTS;
616 type = PS_FST_TYPE_SEM;
620 type = PS_FST_TYPE_SHM;
624 type = PS_FST_TYPE_PROCDESC;
628 type = PS_FST_TYPE_DEV;
634 /* XXXRW: No capability rights support for kvm yet. */
635 entry = filestat_new_entry(data, type, i,
636 to_filestat_flags(file.f_flag), 0, 0, 0, NULL, NULL);
638 STAILQ_INSERT_TAIL(head, entry, next);
645 * Process mmapped files if requested.
648 if (!kvm_read_all(kd, (unsigned long)kp->ki_vmspace, &vmspace,
650 warnx("can't read vmspace at %p",
651 (void *)kp->ki_vmspace);
655 vmentry = vmspace.vm_map.header;
656 for (entryp = vm_map_entry_read_succ(kd, &vmentry, procstat_vm_map_reader);
657 entryp != NULL && entryp != &kp->ki_vmspace->vm_map.header;
658 entryp = vm_map_entry_read_succ(kd, &vmentry, procstat_vm_map_reader)) {
659 if (vmentry.eflags & MAP_ENTRY_IS_SUB_MAP)
661 if ((objp = vmentry.object.vm_object) == NULL)
663 for (; objp; objp = object.backing_object) {
664 if (!kvm_read_all(kd, (unsigned long)objp,
665 &object, sizeof(object))) {
666 warnx("can't read vm_object at %p",
672 /* We want only vnode objects. */
673 if (object.type != OBJT_VNODE)
676 prot = vmentry.protection;
678 if (prot & VM_PROT_READ)
679 fflags = PS_FST_FFLAG_READ;
680 if ((vmentry.eflags & MAP_ENTRY_COW) == 0 &&
681 prot & VM_PROT_WRITE)
682 fflags |= PS_FST_FFLAG_WRITE;
685 * Create filestat entry.
687 entry = filestat_new_entry(object.handle,
688 PS_FST_TYPE_VNODE, -1, fflags,
689 PS_FST_UFLAG_MMAP, 0, 0, NULL, NULL);
691 STAILQ_INSERT_TAIL(head, entry, next);
694 warnx("can't read vm_map_entry");
701 * kinfo types to filestat translation.
704 kinfo_type2fst(int kftype)
710 { KF_TYPE_PROCDESC, PS_FST_TYPE_PROCDESC },
711 { KF_TYPE_DEV, PS_FST_TYPE_DEV },
712 { KF_TYPE_FIFO, PS_FST_TYPE_FIFO },
713 { KF_TYPE_KQUEUE, PS_FST_TYPE_KQUEUE },
714 { KF_TYPE_MQUEUE, PS_FST_TYPE_MQUEUE },
715 { KF_TYPE_NONE, PS_FST_TYPE_NONE },
716 { KF_TYPE_PIPE, PS_FST_TYPE_PIPE },
717 { KF_TYPE_PTS, PS_FST_TYPE_PTS },
718 { KF_TYPE_SEM, PS_FST_TYPE_SEM },
719 { KF_TYPE_SHM, PS_FST_TYPE_SHM },
720 { KF_TYPE_SOCKET, PS_FST_TYPE_SOCKET },
721 { KF_TYPE_VNODE, PS_FST_TYPE_VNODE },
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 if (kp->ki_fd == NULL)
868 switch(procstat->type) {
869 case PROCSTAT_SYSCTL:
870 files = kinfo_getfile(kp->ki_pid, &cnt);
873 files = kinfo_getfile_core(procstat->core, &cnt);
876 assert(!"invalid type");
878 if (files == NULL && errno != EPERM) {
879 warn("kinfo_getfile()");
882 procstat->files = files;
885 * Allocate list head.
887 head = malloc(sizeof(*head));
891 for (i = 0; i < cnt; i++) {
894 type = kinfo_type2fst(kif->kf_type);
895 fd = kif->kf_fd >= 0 ? kif->kf_fd : -1;
896 fflags = kinfo_fflags2fst(kif->kf_flags);
897 uflags = kinfo_uflags2fst(kif->kf_fd);
898 refcount = kif->kf_ref_count;
899 offset = kif->kf_offset;
900 if (*kif->kf_path != '\0')
901 path = strdup(kif->kf_path);
904 cap_rights = kif->kf_cap_rights;
907 * Create filestat entry.
909 entry = filestat_new_entry(kif, type, fd, fflags, uflags,
910 refcount, offset, path, &cap_rights);
912 STAILQ_INSERT_TAIL(head, entry, next);
915 vmentries = procstat_getvmmap(procstat, kp, &cnt);
916 procstat->vmentries = vmentries;
917 if (vmentries == NULL || cnt == 0)
919 for (i = 0; i < cnt; i++) {
921 if (kve->kve_type != KVME_TYPE_VNODE)
924 if (kve->kve_protection & KVME_PROT_READ)
925 fflags = PS_FST_FFLAG_READ;
926 if ((kve->kve_flags & KVME_FLAG_COW) == 0 &&
927 kve->kve_protection & KVME_PROT_WRITE)
928 fflags |= PS_FST_FFLAG_WRITE;
929 offset = kve->kve_offset;
930 refcount = kve->kve_ref_count;
931 if (*kve->kve_path != '\0')
932 path = strdup(kve->kve_path);
935 entry = filestat_new_entry(kve, PS_FST_TYPE_VNODE, -1,
936 fflags, PS_FST_UFLAG_MMAP, refcount, offset, path,
939 STAILQ_INSERT_TAIL(head, entry, next);
947 procstat_get_pipe_info(struct procstat *procstat, struct filestat *fst,
948 struct pipestat *ps, char *errbuf)
952 if (procstat->type == PROCSTAT_KVM) {
953 return (procstat_get_pipe_info_kvm(procstat->kd, fst, ps,
955 } else if (procstat->type == PROCSTAT_SYSCTL ||
956 procstat->type == PROCSTAT_CORE) {
957 return (procstat_get_pipe_info_sysctl(fst, ps, errbuf));
959 warnx("unknown access method: %d", procstat->type);
961 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
967 procstat_get_pipe_info_kvm(kvm_t *kd, struct filestat *fst,
968 struct pipestat *ps, char *errbuf)
976 bzero(ps, sizeof(*ps));
977 pipep = fst->fs_typedep;
980 if (!kvm_read_all(kd, (unsigned long)pipep, &pi, sizeof(struct pipe))) {
981 warnx("can't read pipe at %p", (void *)pipep);
984 ps->addr = (uintptr_t)pipep;
985 ps->peer = (uintptr_t)pi.pipe_peer;
986 ps->buffer_cnt = pi.pipe_buffer.cnt;
991 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
996 procstat_get_pipe_info_sysctl(struct filestat *fst, struct pipestat *ps,
997 char *errbuf __unused)
999 struct kinfo_file *kif;
1003 bzero(ps, sizeof(*ps));
1004 kif = fst->fs_typedep;
1007 ps->addr = kif->kf_un.kf_pipe.kf_pipe_addr;
1008 ps->peer = kif->kf_un.kf_pipe.kf_pipe_peer;
1009 ps->buffer_cnt = kif->kf_un.kf_pipe.kf_pipe_buffer_cnt;
1014 procstat_get_pts_info(struct procstat *procstat, struct filestat *fst,
1015 struct ptsstat *pts, char *errbuf)
1019 if (procstat->type == PROCSTAT_KVM) {
1020 return (procstat_get_pts_info_kvm(procstat->kd, fst, pts,
1022 } else if (procstat->type == PROCSTAT_SYSCTL ||
1023 procstat->type == PROCSTAT_CORE) {
1024 return (procstat_get_pts_info_sysctl(fst, pts, errbuf));
1026 warnx("unknown access method: %d", procstat->type);
1028 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1034 procstat_get_pts_info_kvm(kvm_t *kd, struct filestat *fst,
1035 struct ptsstat *pts, char *errbuf)
1043 bzero(pts, sizeof(*pts));
1044 ttyp = fst->fs_typedep;
1047 if (!kvm_read_all(kd, (unsigned long)ttyp, &tty, sizeof(struct tty))) {
1048 warnx("can't read tty at %p", (void *)ttyp);
1051 pts->dev = dev2udev(kd, tty.t_dev);
1052 (void)kdevtoname(kd, tty.t_dev, pts->devname);
1057 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1062 procstat_get_pts_info_sysctl(struct filestat *fst, struct ptsstat *pts,
1063 char *errbuf __unused)
1065 struct kinfo_file *kif;
1069 bzero(pts, sizeof(*pts));
1070 kif = fst->fs_typedep;
1073 pts->dev = kif->kf_un.kf_pts.kf_pts_dev;
1074 strlcpy(pts->devname, kif->kf_path, sizeof(pts->devname));
1079 procstat_get_sem_info(struct procstat *procstat, struct filestat *fst,
1080 struct semstat *sem, char *errbuf)
1084 if (procstat->type == PROCSTAT_KVM) {
1085 return (procstat_get_sem_info_kvm(procstat->kd, fst, sem,
1087 } else if (procstat->type == PROCSTAT_SYSCTL ||
1088 procstat->type == PROCSTAT_CORE) {
1089 return (procstat_get_sem_info_sysctl(fst, sem, errbuf));
1091 warnx("unknown access method: %d", procstat->type);
1093 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1099 procstat_get_sem_info_kvm(kvm_t *kd, struct filestat *fst,
1100 struct semstat *sem, char *errbuf)
1110 bzero(sem, sizeof(*sem));
1111 ksemp = fst->fs_typedep;
1114 if (!kvm_read_all(kd, (unsigned long)ksemp, &ksem,
1115 sizeof(struct ksem))) {
1116 warnx("can't read ksem at %p", (void *)ksemp);
1119 sem->mode = S_IFREG | ksem.ks_mode;
1120 sem->value = ksem.ks_value;
1121 if (fst->fs_path == NULL && ksem.ks_path != NULL) {
1122 path = malloc(MAXPATHLEN);
1123 for (i = 0; i < MAXPATHLEN - 1; i++) {
1124 if (!kvm_read_all(kd, (unsigned long)ksem.ks_path + i,
1127 if (path[i] == '\0')
1134 fst->fs_path = path;
1140 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1145 procstat_get_sem_info_sysctl(struct filestat *fst, struct semstat *sem,
1146 char *errbuf __unused)
1148 struct kinfo_file *kif;
1152 bzero(sem, sizeof(*sem));
1153 kif = fst->fs_typedep;
1156 sem->value = kif->kf_un.kf_sem.kf_sem_value;
1157 sem->mode = kif->kf_un.kf_sem.kf_sem_mode;
1162 procstat_get_shm_info(struct procstat *procstat, struct filestat *fst,
1163 struct shmstat *shm, char *errbuf)
1167 if (procstat->type == PROCSTAT_KVM) {
1168 return (procstat_get_shm_info_kvm(procstat->kd, fst, shm,
1170 } else if (procstat->type == PROCSTAT_SYSCTL ||
1171 procstat->type == PROCSTAT_CORE) {
1172 return (procstat_get_shm_info_sysctl(fst, shm, errbuf));
1174 warnx("unknown access method: %d", procstat->type);
1176 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1182 procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst,
1183 struct shmstat *shm, char *errbuf)
1193 bzero(shm, sizeof(*shm));
1194 shmfdp = fst->fs_typedep;
1197 if (!kvm_read_all(kd, (unsigned long)shmfdp, &shmfd,
1198 sizeof(struct shmfd))) {
1199 warnx("can't read shmfd at %p", (void *)shmfdp);
1202 shm->mode = S_IFREG | shmfd.shm_mode;
1203 shm->size = shmfd.shm_size;
1204 if (fst->fs_path == NULL && shmfd.shm_path != NULL) {
1205 path = malloc(MAXPATHLEN);
1206 for (i = 0; i < MAXPATHLEN - 1; i++) {
1207 if (!kvm_read_all(kd, (unsigned long)shmfd.shm_path + i,
1210 if (path[i] == '\0')
1217 fst->fs_path = path;
1223 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1228 procstat_get_shm_info_sysctl(struct filestat *fst, struct shmstat *shm,
1229 char *errbuf __unused)
1231 struct kinfo_file *kif;
1235 bzero(shm, sizeof(*shm));
1236 kif = fst->fs_typedep;
1239 shm->size = kif->kf_un.kf_file.kf_file_size;
1240 shm->mode = kif->kf_un.kf_file.kf_file_mode;
1245 procstat_get_vnode_info(struct procstat *procstat, struct filestat *fst,
1246 struct vnstat *vn, char *errbuf)
1250 if (procstat->type == PROCSTAT_KVM) {
1251 return (procstat_get_vnode_info_kvm(procstat->kd, fst, vn,
1253 } else if (procstat->type == PROCSTAT_SYSCTL ||
1254 procstat->type == PROCSTAT_CORE) {
1255 return (procstat_get_vnode_info_sysctl(fst, vn, errbuf));
1257 warnx("unknown access method: %d", procstat->type);
1259 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1265 procstat_get_vnode_info_kvm(kvm_t *kd, struct filestat *fst,
1266 struct vnstat *vn, char *errbuf)
1268 /* Filesystem specific handlers. */
1269 #define FSTYPE(fst) {#fst, fst##_filestat}
1272 int (*handler)(kvm_t *kd, struct vnode *vp,
1282 #ifdef LIBPROCSTAT_ZFS
1286 #define NTYPES (sizeof(fstypes) / sizeof(*fstypes))
1296 vp = fst->fs_typedep;
1299 error = kvm_read_all(kd, (unsigned long)vp, &vnode, sizeof(vnode));
1301 warnx("can't read vnode at %p", (void *)vp);
1304 bzero(vn, sizeof(*vn));
1305 vn->vn_type = vntype2psfsttype(vnode.v_type);
1306 if (vnode.v_type == VNON || vnode.v_type == VBAD)
1308 error = kvm_read_all(kd, (unsigned long)vnode.v_lock.lock_object.lo_name,
1309 tagstr, sizeof(tagstr));
1311 warnx("can't read lo_name at %p", (void *)vp);
1314 tagstr[sizeof(tagstr) - 1] = '\0';
1317 * Find appropriate handler.
1319 for (i = 0; i < NTYPES; i++)
1320 if (!strcmp(fstypes[i].tag, tagstr)) {
1321 if (fstypes[i].handler(kd, &vnode, vn) != 0) {
1328 snprintf(errbuf, _POSIX2_LINE_MAX, "?(%s)", tagstr);
1331 vn->vn_mntdir = getmnton(kd, vnode.v_mount);
1332 if ((vnode.v_type == VBLK || vnode.v_type == VCHR) &&
1333 vnode.v_rdev != NULL){
1334 vn->vn_dev = dev2udev(kd, vnode.v_rdev);
1335 (void)kdevtoname(kd, vnode.v_rdev, vn->vn_devname);
1343 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1348 * kinfo vnode type to filestat translation.
1351 kinfo_vtype2fst(int kfvtype)
1356 } kfvtypes2fst[] = {
1357 { KF_VTYPE_VBAD, PS_FST_VTYPE_VBAD },
1358 { KF_VTYPE_VBLK, PS_FST_VTYPE_VBLK },
1359 { KF_VTYPE_VCHR, PS_FST_VTYPE_VCHR },
1360 { KF_VTYPE_VDIR, PS_FST_VTYPE_VDIR },
1361 { KF_VTYPE_VFIFO, PS_FST_VTYPE_VFIFO },
1362 { KF_VTYPE_VLNK, PS_FST_VTYPE_VLNK },
1363 { KF_VTYPE_VNON, PS_FST_VTYPE_VNON },
1364 { KF_VTYPE_VREG, PS_FST_VTYPE_VREG },
1365 { KF_VTYPE_VSOCK, PS_FST_VTYPE_VSOCK }
1367 #define NKFVTYPES (sizeof(kfvtypes2fst) / sizeof(*kfvtypes2fst))
1370 for (i = 0; i < NKFVTYPES; i++)
1371 if (kfvtypes2fst[i].kf_vtype == kfvtype)
1374 return (PS_FST_VTYPE_UNKNOWN);
1375 return (kfvtypes2fst[i].fst_vtype);
1379 procstat_get_vnode_info_sysctl(struct filestat *fst, struct vnstat *vn,
1382 struct statfs stbuf;
1383 struct kinfo_file *kif;
1384 struct kinfo_vmentry *kve;
1396 bzero(vn, sizeof(*vn));
1397 if (fst->fs_typedep == NULL)
1399 if (fst->fs_uflags & PS_FST_UFLAG_MMAP) {
1400 kve = fst->fs_typedep;
1401 fileid = kve->kve_vn_fileid;
1402 fsid = kve->kve_vn_fsid;
1403 mode = kve->kve_vn_mode;
1404 path = kve->kve_path;
1405 rdev = kve->kve_vn_rdev;
1406 size = kve->kve_vn_size;
1407 vntype = kinfo_vtype2fst(kve->kve_vn_type);
1408 status = kve->kve_status;
1410 kif = fst->fs_typedep;
1411 fileid = kif->kf_un.kf_file.kf_file_fileid;
1412 fsid = kif->kf_un.kf_file.kf_file_fsid;
1413 mode = kif->kf_un.kf_file.kf_file_mode;
1414 path = kif->kf_path;
1415 rdev = kif->kf_un.kf_file.kf_file_rdev;
1416 size = kif->kf_un.kf_file.kf_file_size;
1417 vntype = kinfo_vtype2fst(kif->kf_vnode_type);
1418 status = kif->kf_status;
1420 vn->vn_type = vntype;
1421 if (vntype == PS_FST_VTYPE_VNON || vntype == PS_FST_VTYPE_VBAD)
1423 if ((status & KF_ATTR_VALID) == 0) {
1424 if (errbuf != NULL) {
1425 snprintf(errbuf, _POSIX2_LINE_MAX,
1426 "? (no info available)");
1430 if (path && *path) {
1431 statfs(path, &stbuf);
1432 vn->vn_mntdir = strdup(stbuf.f_mntonname);
1434 vn->vn_mntdir = strdup("-");
1436 if (vntype == PS_FST_VTYPE_VBLK) {
1437 name = devname(rdev, S_IFBLK);
1439 strlcpy(vn->vn_devname, name,
1440 sizeof(vn->vn_devname));
1441 } else if (vntype == PS_FST_VTYPE_VCHR) {
1442 name = devname(vn->vn_dev, S_IFCHR);
1444 strlcpy(vn->vn_devname, name,
1445 sizeof(vn->vn_devname));
1448 vn->vn_fileid = fileid;
1455 procstat_get_socket_info(struct procstat *procstat, struct filestat *fst,
1456 struct sockstat *sock, char *errbuf)
1460 if (procstat->type == PROCSTAT_KVM) {
1461 return (procstat_get_socket_info_kvm(procstat->kd, fst, sock,
1463 } else if (procstat->type == PROCSTAT_SYSCTL ||
1464 procstat->type == PROCSTAT_CORE) {
1465 return (procstat_get_socket_info_sysctl(fst, sock, errbuf));
1467 warnx("unknown access method: %d", procstat->type);
1469 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1475 procstat_get_socket_info_kvm(kvm_t *kd, struct filestat *fst,
1476 struct sockstat *sock, char *errbuf)
1480 struct protosw proto;
1489 bzero(sock, sizeof(*sock));
1490 so = fst->fs_typedep;
1493 sock->so_addr = (uintptr_t)so;
1494 /* fill in socket */
1495 if (!kvm_read_all(kd, (unsigned long)so, &s,
1496 sizeof(struct socket))) {
1497 warnx("can't read sock at %p", (void *)so);
1500 /* fill in protosw entry */
1501 if (!kvm_read_all(kd, (unsigned long)s.so_proto, &proto,
1502 sizeof(struct protosw))) {
1503 warnx("can't read protosw at %p", (void *)s.so_proto);
1506 /* fill in domain */
1507 if (!kvm_read_all(kd, (unsigned long)proto.pr_domain, &dom,
1508 sizeof(struct domain))) {
1509 warnx("can't read domain at %p",
1510 (void *)proto.pr_domain);
1513 if ((len = kvm_read(kd, (unsigned long)dom.dom_name, sock->dname,
1514 sizeof(sock->dname) - 1)) < 0) {
1515 warnx("can't read domain name at %p", (void *)dom.dom_name);
1516 sock->dname[0] = '\0';
1519 sock->dname[len] = '\0';
1522 * Fill in known data.
1524 sock->type = s.so_type;
1525 sock->proto = proto.pr_protocol;
1526 sock->dom_family = dom.dom_family;
1527 sock->so_pcb = (uintptr_t)s.so_pcb;
1530 * Protocol specific data.
1532 switch(dom.dom_family) {
1535 if (proto.pr_protocol == IPPROTO_TCP) {
1537 if (kvm_read(kd, (u_long)s.so_pcb,
1538 (char *)&inpcb, sizeof(struct inpcb))
1539 != sizeof(struct inpcb)) {
1540 warnx("can't read inpcb at %p",
1544 (uintptr_t)inpcb.inp_ppcb;
1545 sock->sendq = s.so_snd.sb_ccc;
1546 sock->recvq = s.so_rcv.sb_ccc;
1552 if (kvm_read(kd, (u_long)s.so_pcb, (char *)&unpcb,
1553 sizeof(struct unpcb)) != sizeof(struct unpcb)){
1554 warnx("can't read unpcb at %p",
1556 } else if (unpcb.unp_conn) {
1557 sock->so_rcv_sb_state = s.so_rcv.sb_state;
1558 sock->so_snd_sb_state = s.so_snd.sb_state;
1559 sock->unp_conn = (uintptr_t)unpcb.unp_conn;
1560 sock->sendq = s.so_snd.sb_ccc;
1561 sock->recvq = s.so_rcv.sb_ccc;
1572 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1577 procstat_get_socket_info_sysctl(struct filestat *fst, struct sockstat *sock,
1578 char *errbuf __unused)
1580 struct kinfo_file *kif;
1584 bzero(sock, sizeof(*sock));
1585 kif = fst->fs_typedep;
1590 * Fill in known data.
1592 sock->type = kif->kf_sock_type;
1593 sock->proto = kif->kf_sock_protocol;
1594 sock->dom_family = kif->kf_sock_domain;
1595 sock->so_pcb = kif->kf_un.kf_sock.kf_sock_pcb;
1596 strlcpy(sock->dname, kif->kf_path, sizeof(sock->dname));
1597 bcopy(&kif->kf_un.kf_sock.kf_sa_local, &sock->sa_local,
1598 kif->kf_un.kf_sock.kf_sa_local.ss_len);
1599 bcopy(&kif->kf_un.kf_sock.kf_sa_peer, &sock->sa_peer,
1600 kif->kf_un.kf_sock.kf_sa_peer.ss_len);
1603 * Protocol specific data.
1605 switch(sock->dom_family) {
1608 if (sock->proto == IPPROTO_TCP) {
1609 sock->inp_ppcb = kif->kf_un.kf_sock.kf_sock_inpcb;
1610 sock->sendq = kif->kf_un.kf_sock.kf_sock_sendq;
1611 sock->recvq = kif->kf_un.kf_sock.kf_sock_recvq;
1615 if (kif->kf_un.kf_sock.kf_sock_unpconn != 0) {
1616 sock->so_rcv_sb_state =
1617 kif->kf_un.kf_sock.kf_sock_rcv_sb_state;
1618 sock->so_snd_sb_state =
1619 kif->kf_un.kf_sock.kf_sock_snd_sb_state;
1621 kif->kf_un.kf_sock.kf_sock_unpconn;
1622 sock->sendq = kif->kf_un.kf_sock.kf_sock_sendq;
1623 sock->recvq = kif->kf_un.kf_sock.kf_sock_recvq;
1633 * Descriptor flags to filestat translation.
1636 to_filestat_flags(int flags)
1642 { FREAD, PS_FST_FFLAG_READ },
1643 { FWRITE, PS_FST_FFLAG_WRITE },
1644 { O_APPEND, PS_FST_FFLAG_APPEND },
1645 { O_ASYNC, PS_FST_FFLAG_ASYNC },
1646 { O_CREAT, PS_FST_FFLAG_CREAT },
1647 { O_DIRECT, PS_FST_FFLAG_DIRECT },
1648 { O_EXCL, PS_FST_FFLAG_EXCL },
1649 { O_EXEC, PS_FST_FFLAG_EXEC },
1650 { O_EXLOCK, PS_FST_FFLAG_EXLOCK },
1651 { O_NOFOLLOW, PS_FST_FFLAG_NOFOLLOW },
1652 { O_NONBLOCK, PS_FST_FFLAG_NONBLOCK },
1653 { O_SHLOCK, PS_FST_FFLAG_SHLOCK },
1654 { O_SYNC, PS_FST_FFLAG_SYNC },
1655 { O_TRUNC, PS_FST_FFLAG_TRUNC }
1657 #define NFSTFLAGS (sizeof(fstflags) / sizeof(*fstflags))
1662 for (i = 0; i < NFSTFLAGS; i++)
1663 if (flags & fstflags[i].flag)
1664 fst_flags |= fstflags[i].fst_flag;
1669 * Vnode type to filestate translation.
1672 vntype2psfsttype(int type)
1678 { VBAD, PS_FST_VTYPE_VBAD },
1679 { VBLK, PS_FST_VTYPE_VBLK },
1680 { VCHR, PS_FST_VTYPE_VCHR },
1681 { VDIR, PS_FST_VTYPE_VDIR },
1682 { VFIFO, PS_FST_VTYPE_VFIFO },
1683 { VLNK, PS_FST_VTYPE_VLNK },
1684 { VNON, PS_FST_VTYPE_VNON },
1685 { VREG, PS_FST_VTYPE_VREG },
1686 { VSOCK, PS_FST_VTYPE_VSOCK }
1688 #define NVFTYPES (sizeof(vt2fst) / sizeof(*vt2fst))
1689 unsigned int i, fst_type;
1691 fst_type = PS_FST_VTYPE_UNKNOWN;
1692 for (i = 0; i < NVFTYPES; i++) {
1693 if (type == vt2fst[i].vtype) {
1694 fst_type = vt2fst[i].fst_vtype;
1702 getmnton(kvm_t *kd, struct mount *m)
1705 static struct mtab {
1708 char mntonname[MNAMELEN + 1];
1712 for (mt = mhead; mt != NULL; mt = mt->next)
1714 return (mt->mntonname);
1715 if (!kvm_read_all(kd, (unsigned long)m, &mnt, sizeof(struct mount))) {
1716 warnx("can't read mount table at %p", (void *)m);
1719 if ((mt = malloc(sizeof (struct mtab))) == NULL)
1722 bcopy(&mnt.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN);
1723 mt->mntonname[MNAMELEN] = '\0';
1726 return (mt->mntonname);
1730 * Auxiliary structures and functions to get process environment or
1731 * command line arguments.
1740 static struct argvec *
1741 argvec_alloc(size_t bufsize)
1745 av = malloc(sizeof(*av));
1748 av->bufsize = bufsize;
1749 av->buf = malloc(av->bufsize);
1750 if (av->buf == NULL) {
1755 av->argv = malloc(sizeof(char *) * av->argc);
1756 if (av->argv == NULL) {
1765 argvec_free(struct argvec * av)
1774 getargv(struct procstat *procstat, struct kinfo_proc *kp, size_t nchr, int env)
1776 int error, name[4], argc, i;
1777 struct argvec *av, **avp;
1784 if (procstat->type == PROCSTAT_KVM) {
1785 warnx("can't use kvm access method");
1788 if (procstat->type != PROCSTAT_SYSCTL &&
1789 procstat->type != PROCSTAT_CORE) {
1790 warnx("unknown access method: %d", procstat->type);
1794 if (nchr == 0 || nchr > ARG_MAX)
1797 avp = (struct argvec **)(env ? &procstat->argv : &procstat->envv);
1802 av = argvec_alloc(nchr);
1805 warn("malloc(%zu)", nchr);
1809 } else if (av->bufsize < nchr) {
1810 av->buf = reallocf(av->buf, nchr);
1811 if (av->buf == NULL) {
1812 warn("malloc(%zu)", nchr);
1816 if (procstat->type == PROCSTAT_SYSCTL) {
1818 name[1] = KERN_PROC;
1819 name[2] = env ? KERN_PROC_ENV : KERN_PROC_ARGS;
1820 name[3] = kp->ki_pid;
1822 error = sysctl(name, nitems(name), av->buf, &len, NULL, 0);
1823 if (error != 0 && errno != ESRCH && errno != EPERM)
1824 warn("sysctl(kern.proc.%s)", env ? "env" : "args");
1825 if (error != 0 || len == 0)
1827 } else /* procstat->type == PROCSTAT_CORE */ {
1828 type = env ? PSC_TYPE_ENVV : PSC_TYPE_ARGV;
1830 if (procstat_core_get(procstat->core, type, av->buf, &len)
1839 for (p = av->buf; p < av->buf + len; p += strlen(p) + 1) {
1845 argv = realloc(argv, sizeof(char *) * argc);
1847 warn("malloc(%zu)", sizeof(char *) * argc);
1859 * Return process command line arguments.
1862 procstat_getargv(struct procstat *procstat, struct kinfo_proc *p, size_t nchr)
1865 return (getargv(procstat, p, nchr, 0));
1869 * Free the buffer allocated by procstat_getargv().
1872 procstat_freeargv(struct procstat *procstat)
1875 if (procstat->argv != NULL) {
1876 argvec_free(procstat->argv);
1877 procstat->argv = NULL;
1882 * Return process environment.
1885 procstat_getenvv(struct procstat *procstat, struct kinfo_proc *p, size_t nchr)
1888 return (getargv(procstat, p, nchr, 1));
1892 * Free the buffer allocated by procstat_getenvv().
1895 procstat_freeenvv(struct procstat *procstat)
1897 if (procstat->envv != NULL) {
1898 argvec_free(procstat->envv);
1899 procstat->envv = NULL;
1903 static struct kinfo_vmentry *
1904 kinfo_getvmmap_core(struct procstat_core *core, int *cntp)
1908 char *buf, *bp, *eb;
1909 struct kinfo_vmentry *kiv, *kp, *kv;
1911 buf = procstat_core_get(core, PSC_TYPE_VMMAP, NULL, &len);
1916 * XXXMG: The code below is just copy&past from libutil.
1917 * The code duplication can be avoided if libutil
1918 * is extended to provide something like:
1919 * struct kinfo_vmentry *kinfo_getvmmap_from_buf(const char *buf,
1920 * size_t len, int *cntp);
1923 /* Pass 1: count items */
1928 kv = (struct kinfo_vmentry *)(uintptr_t)bp;
1929 if (kv->kve_structsize == 0)
1931 bp += kv->kve_structsize;
1935 kiv = calloc(cnt, sizeof(*kiv));
1943 /* Pass 2: unpack */
1945 kv = (struct kinfo_vmentry *)(uintptr_t)bp;
1946 if (kv->kve_structsize == 0)
1948 /* Copy/expand into pre-zeroed buffer */
1949 memcpy(kp, kv, kv->kve_structsize);
1950 /* Advance to next packed record */
1951 bp += kv->kve_structsize;
1952 /* Set field size to fixed length, advance */
1953 kp->kve_structsize = sizeof(*kp);
1958 return (kiv); /* Caller must free() return value */
1961 struct kinfo_vmentry *
1962 procstat_getvmmap(struct procstat *procstat, struct kinfo_proc *kp,
1966 switch(procstat->type) {
1968 warnx("kvm method is not supported");
1970 case PROCSTAT_SYSCTL:
1971 return (kinfo_getvmmap(kp->ki_pid, cntp));
1973 return (kinfo_getvmmap_core(procstat->core, cntp));
1975 warnx("unknown access method: %d", procstat->type);
1981 procstat_freevmmap(struct procstat *procstat __unused,
1982 struct kinfo_vmentry *vmmap)
1989 procstat_getgroups_kvm(kvm_t *kd, struct kinfo_proc *kp, unsigned int *cntp)
1998 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
2000 warnx("can't read proc struct at %p for pid %d",
2001 kp->ki_paddr, kp->ki_pid);
2004 if (proc.p_ucred == NOCRED)
2006 if (!kvm_read_all(kd, (unsigned long)proc.p_ucred, &ucred,
2008 warnx("can't read ucred struct at %p for pid %d",
2009 proc.p_ucred, kp->ki_pid);
2012 len = ucred.cr_ngroups * sizeof(gid_t);
2013 groups = malloc(len);
2014 if (groups == NULL) {
2015 warn("malloc(%zu)", len);
2018 if (!kvm_read_all(kd, (unsigned long)ucred.cr_groups, groups, len)) {
2019 warnx("can't read groups at %p for pid %d",
2020 ucred.cr_groups, kp->ki_pid);
2024 *cntp = ucred.cr_ngroups;
2029 procstat_getgroups_sysctl(pid_t pid, unsigned int *cntp)
2037 mib[2] = KERN_PROC_GROUPS;
2039 len = (sysconf(_SC_NGROUPS_MAX) + 1) * sizeof(gid_t);
2040 groups = malloc(len);
2041 if (groups == NULL) {
2042 warn("malloc(%zu)", len);
2045 if (sysctl(mib, nitems(mib), groups, &len, NULL, 0) == -1) {
2046 warn("sysctl: kern.proc.groups: %d", pid);
2050 *cntp = len / sizeof(gid_t);
2055 procstat_getgroups_core(struct procstat_core *core, unsigned int *cntp)
2060 groups = procstat_core_get(core, PSC_TYPE_GROUPS, NULL, &len);
2063 *cntp = len / sizeof(gid_t);
2068 procstat_getgroups(struct procstat *procstat, struct kinfo_proc *kp,
2071 switch(procstat->type) {
2073 return (procstat_getgroups_kvm(procstat->kd, kp, cntp));
2074 case PROCSTAT_SYSCTL:
2075 return (procstat_getgroups_sysctl(kp->ki_pid, cntp));
2077 return (procstat_getgroups_core(procstat->core, cntp));
2079 warnx("unknown access method: %d", procstat->type);
2085 procstat_freegroups(struct procstat *procstat __unused, gid_t *groups)
2092 procstat_getumask_kvm(kvm_t *kd, struct kinfo_proc *kp, unsigned short *maskp)
2098 if (kp->ki_pd == NULL)
2100 if (!kvm_read_all(kd, (unsigned long)kp->ki_pd, &pd, sizeof(pd))) {
2101 warnx("can't read pwddesc at %p for pid %d", kp->ki_pd,
2105 *maskp = pd.pd_cmask;
2110 procstat_getumask_sysctl(pid_t pid, unsigned short *maskp)
2118 mib[2] = KERN_PROC_UMASK;
2120 len = sizeof(*maskp);
2121 error = sysctl(mib, nitems(mib), maskp, &len, NULL, 0);
2122 if (error != 0 && errno != ESRCH && errno != EPERM)
2123 warn("sysctl: kern.proc.umask: %d", pid);
2128 procstat_getumask_core(struct procstat_core *core, unsigned short *maskp)
2131 unsigned short *buf;
2133 buf = procstat_core_get(core, PSC_TYPE_UMASK, NULL, &len);
2136 if (len < sizeof(*maskp)) {
2146 procstat_getumask(struct procstat *procstat, struct kinfo_proc *kp,
2147 unsigned short *maskp)
2149 switch(procstat->type) {
2151 return (procstat_getumask_kvm(procstat->kd, kp, maskp));
2152 case PROCSTAT_SYSCTL:
2153 return (procstat_getumask_sysctl(kp->ki_pid, maskp));
2155 return (procstat_getumask_core(procstat->core, maskp));
2157 warnx("unknown access method: %d", procstat->type);
2163 procstat_getrlimit_kvm(kvm_t *kd, struct kinfo_proc *kp, int which,
2164 struct rlimit* rlimit)
2167 unsigned long offset;
2171 assert(which >= 0 && which < RLIM_NLIMITS);
2172 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
2174 warnx("can't read proc struct at %p for pid %d",
2175 kp->ki_paddr, kp->ki_pid);
2178 if (proc.p_limit == NULL)
2180 offset = (unsigned long)proc.p_limit + sizeof(struct rlimit) * which;
2181 if (!kvm_read_all(kd, offset, rlimit, sizeof(*rlimit))) {
2182 warnx("can't read rlimit struct at %p for pid %d",
2183 (void *)offset, kp->ki_pid);
2190 procstat_getrlimit_sysctl(pid_t pid, int which, struct rlimit* rlimit)
2196 name[1] = KERN_PROC;
2197 name[2] = KERN_PROC_RLIMIT;
2200 len = sizeof(struct rlimit);
2201 error = sysctl(name, nitems(name), rlimit, &len, NULL, 0);
2202 if (error < 0 && errno != ESRCH) {
2203 warn("sysctl: kern.proc.rlimit: %d", pid);
2206 if (error < 0 || len != sizeof(struct rlimit))
2212 procstat_getrlimit_core(struct procstat_core *core, int which,
2213 struct rlimit* rlimit)
2216 struct rlimit* rlimits;
2218 if (which < 0 || which >= RLIM_NLIMITS) {
2220 warn("getrlimit: which");
2223 rlimits = procstat_core_get(core, PSC_TYPE_RLIMIT, NULL, &len);
2224 if (rlimits == NULL)
2226 if (len < sizeof(struct rlimit) * RLIM_NLIMITS) {
2230 *rlimit = rlimits[which];
2236 procstat_getrlimit(struct procstat *procstat, struct kinfo_proc *kp, int which,
2237 struct rlimit* rlimit)
2239 switch(procstat->type) {
2241 return (procstat_getrlimit_kvm(procstat->kd, kp, which,
2243 case PROCSTAT_SYSCTL:
2244 return (procstat_getrlimit_sysctl(kp->ki_pid, which, rlimit));
2246 return (procstat_getrlimit_core(procstat->core, which, rlimit));
2248 warnx("unknown access method: %d", procstat->type);
2254 procstat_getpathname_sysctl(pid_t pid, char *pathname, size_t maxlen)
2260 name[1] = KERN_PROC;
2261 name[2] = KERN_PROC_PATHNAME;
2264 error = sysctl(name, nitems(name), pathname, &len, NULL, 0);
2265 if (error != 0 && errno != ESRCH)
2266 warn("sysctl: kern.proc.pathname: %d", pid);
2273 procstat_getpathname_core(struct procstat_core *core, char *pathname,
2276 struct kinfo_file *files;
2279 files = kinfo_getfile_core(core, &cnt);
2283 for (i = 0; i < cnt; i++) {
2284 if (files[i].kf_fd != KF_FD_TYPE_TEXT)
2286 strncpy(pathname, files[i].kf_path, maxlen);
2295 procstat_getpathname(struct procstat *procstat, struct kinfo_proc *kp,
2296 char *pathname, size_t maxlen)
2298 switch(procstat->type) {
2300 /* XXX: Return empty string. */
2304 case PROCSTAT_SYSCTL:
2305 return (procstat_getpathname_sysctl(kp->ki_pid, pathname,
2308 return (procstat_getpathname_core(procstat->core, pathname,
2311 warnx("unknown access method: %d", procstat->type);
2317 procstat_getosrel_kvm(kvm_t *kd, struct kinfo_proc *kp, int *osrelp)
2323 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
2325 warnx("can't read proc struct at %p for pid %d",
2326 kp->ki_paddr, kp->ki_pid);
2329 *osrelp = proc.p_osrel;
2334 procstat_getosrel_sysctl(pid_t pid, int *osrelp)
2340 name[1] = KERN_PROC;
2341 name[2] = KERN_PROC_OSREL;
2343 len = sizeof(*osrelp);
2344 error = sysctl(name, nitems(name), osrelp, &len, NULL, 0);
2345 if (error != 0 && errno != ESRCH)
2346 warn("sysctl: kern.proc.osrel: %d", pid);
2351 procstat_getosrel_core(struct procstat_core *core, int *osrelp)
2356 buf = procstat_core_get(core, PSC_TYPE_OSREL, NULL, &len);
2359 if (len < sizeof(*osrelp)) {
2369 procstat_getosrel(struct procstat *procstat, struct kinfo_proc *kp, int *osrelp)
2371 switch(procstat->type) {
2373 return (procstat_getosrel_kvm(procstat->kd, kp, osrelp));
2374 case PROCSTAT_SYSCTL:
2375 return (procstat_getosrel_sysctl(kp->ki_pid, osrelp));
2377 return (procstat_getosrel_core(procstat->core, osrelp));
2379 warnx("unknown access method: %d", procstat->type);
2384 #define PROC_AUXV_MAX 256
2386 #if __ELF_WORD_SIZE == 64
2387 static const char *elf32_sv_names[] = {
2393 is_elf32_sysctl(pid_t pid)
2397 static char sv_name[256];
2400 name[1] = KERN_PROC;
2401 name[2] = KERN_PROC_SV_NAME;
2403 len = sizeof(sv_name);
2404 error = sysctl(name, nitems(name), sv_name, &len, NULL, 0);
2405 if (error != 0 || len == 0)
2407 for (i = 0; i < sizeof(elf32_sv_names) / sizeof(*elf32_sv_names); i++) {
2408 if (strncmp(sv_name, elf32_sv_names[i], sizeof(sv_name)) == 0)
2414 static Elf_Auxinfo *
2415 procstat_getauxv32_sysctl(pid_t pid, unsigned int *cntp)
2418 Elf32_Auxinfo *auxv32;
2421 unsigned int i, count;
2425 name[1] = KERN_PROC;
2426 name[2] = KERN_PROC_AUXV;
2428 len = PROC_AUXV_MAX * sizeof(Elf32_Auxinfo);
2430 auxv32 = malloc(len);
2431 if (auxv32 == NULL) {
2432 warn("malloc(%zu)", len);
2435 if (sysctl(name, nitems(name), auxv32, &len, NULL, 0) == -1) {
2436 if (errno != ESRCH && errno != EPERM)
2437 warn("sysctl: kern.proc.auxv: %d: %d", pid, errno);
2440 count = len / sizeof(Elf_Auxinfo);
2441 auxv = malloc(count * sizeof(Elf_Auxinfo));
2443 warn("malloc(%zu)", count * sizeof(Elf_Auxinfo));
2446 for (i = 0; i < count; i++) {
2448 * XXX: We expect that values for a_type on a 32-bit platform
2449 * are directly mapped to values on 64-bit one, which is not
2452 auxv[i].a_type = auxv32[i].a_type;
2453 ptr = &auxv32[i].a_un;
2454 auxv[i].a_un.a_val = *((uint32_t *)ptr);
2461 #endif /* __ELF_WORD_SIZE == 64 */
2463 static Elf_Auxinfo *
2464 procstat_getauxv_sysctl(pid_t pid, unsigned int *cntp)
2470 #if __ELF_WORD_SIZE == 64
2471 if (is_elf32_sysctl(pid))
2472 return (procstat_getauxv32_sysctl(pid, cntp));
2475 name[1] = KERN_PROC;
2476 name[2] = KERN_PROC_AUXV;
2478 len = PROC_AUXV_MAX * sizeof(Elf_Auxinfo);
2481 warn("malloc(%zu)", len);
2484 if (sysctl(name, nitems(name), auxv, &len, NULL, 0) == -1) {
2485 if (errno != ESRCH && errno != EPERM)
2486 warn("sysctl: kern.proc.auxv: %d: %d", pid, errno);
2490 *cntp = len / sizeof(Elf_Auxinfo);
2494 static Elf_Auxinfo *
2495 procstat_getauxv_core(struct procstat_core *core, unsigned int *cntp)
2500 auxv = procstat_core_get(core, PSC_TYPE_AUXV, NULL, &len);
2503 *cntp = len / sizeof(Elf_Auxinfo);
2508 procstat_getauxv(struct procstat *procstat, struct kinfo_proc *kp,
2511 switch(procstat->type) {
2513 warnx("kvm method is not supported");
2515 case PROCSTAT_SYSCTL:
2516 return (procstat_getauxv_sysctl(kp->ki_pid, cntp));
2518 return (procstat_getauxv_core(procstat->core, cntp));
2520 warnx("unknown access method: %d", procstat->type);
2526 procstat_freeauxv(struct procstat *procstat __unused, Elf_Auxinfo *auxv)
2532 static struct ptrace_lwpinfo *
2533 procstat_getptlwpinfo_core(struct procstat_core *core, unsigned int *cntp)
2536 struct ptrace_lwpinfo *pl;
2540 cnt = procstat_core_note_count(core, PSC_TYPE_PTLWPINFO);
2544 len = cnt * sizeof(*pl);
2545 buf = calloc(1, len);
2546 pl = procstat_core_get(core, PSC_TYPE_PTLWPINFO, buf, &len);
2551 *cntp = len / sizeof(*pl);
2555 struct ptrace_lwpinfo *
2556 procstat_getptlwpinfo(struct procstat *procstat, unsigned int *cntp)
2558 switch (procstat->type) {
2560 warnx("kvm method is not supported");
2562 case PROCSTAT_SYSCTL:
2563 warnx("sysctl method is not supported");
2566 return (procstat_getptlwpinfo_core(procstat->core, cntp));
2568 warnx("unknown access method: %d", procstat->type);
2574 procstat_freeptlwpinfo(struct procstat *procstat __unused,
2575 struct ptrace_lwpinfo *pl)
2580 static struct kinfo_kstack *
2581 procstat_getkstack_sysctl(pid_t pid, int *cntp)
2583 struct kinfo_kstack *kkstp;
2588 name[1] = KERN_PROC;
2589 name[2] = KERN_PROC_KSTACK;
2593 error = sysctl(name, nitems(name), NULL, &len, NULL, 0);
2594 if (error < 0 && errno != ESRCH && errno != EPERM && errno != ENOENT) {
2595 warn("sysctl: kern.proc.kstack: %d", pid);
2598 if (error == -1 && errno == ENOENT) {
2599 warnx("sysctl: kern.proc.kstack unavailable"
2600 " (options DDB or options STACK required in kernel)");
2605 kkstp = malloc(len);
2606 if (kkstp == NULL) {
2607 warn("malloc(%zu)", len);
2610 if (sysctl(name, nitems(name), kkstp, &len, NULL, 0) == -1) {
2611 warn("sysctl: kern.proc.pid: %d", pid);
2615 *cntp = len / sizeof(*kkstp);
2620 struct kinfo_kstack *
2621 procstat_getkstack(struct procstat *procstat, struct kinfo_proc *kp,
2624 switch(procstat->type) {
2626 warnx("kvm method is not supported");
2628 case PROCSTAT_SYSCTL:
2629 return (procstat_getkstack_sysctl(kp->ki_pid, cntp));
2631 warnx("core method is not supported");
2634 warnx("unknown access method: %d", procstat->type);
2640 procstat_freekstack(struct procstat *procstat __unused,
2641 struct kinfo_kstack *kkstp)