2 * Copyright (c) 2009 Stanislav Sedov <stas@FreeBSD.org>
3 * Copyright (c) 1988, 1993
4 * The Regents of the University of California. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by the University of
17 * California, Berkeley and its contributors.
18 * 4. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
38 #include <sys/param.h>
41 #include <sys/resourcevar.h>
43 #include <sys/ucred.h>
48 #include <sys/vnode.h>
49 #include <sys/socket.h>
50 #include <sys/socketvar.h>
51 #include <sys/domain.h>
52 #include <sys/protosw.h>
54 #include <sys/unpcb.h>
55 #include <sys/sysctl.h>
57 #include <sys/filedesc.h>
58 #include <sys/queue.h>
64 #include <sys/capsicum.h>
66 #include <sys/mount.h>
68 #include <ufs/ufs/quota.h>
69 #include <ufs/ufs/inode.h>
70 #include <fs/devfs/devfs.h>
71 #include <fs/devfs/devfs_int.h>
73 #include <nfs/nfsproto.h>
74 #include <nfsclient/nfs.h>
75 #include <nfsclient/nfsnode.h>
78 #include <vm/vm_map.h>
79 #include <vm/vm_object.h>
81 #include <net/route.h>
82 #include <netinet/in.h>
83 #include <netinet/in_systm.h>
84 #include <netinet/ip.h>
86 #include <netinet/in_pcb.h>
104 #include <libprocstat.h>
105 #include "libprocstat_internal.h"
106 #include "common_kvm.h"
109 int statfs(const char *, struct statfs *); /* XXX */
111 #define PROCSTAT_KVM 1
112 #define PROCSTAT_SYSCTL 2
113 #define PROCSTAT_CORE 3
115 static char **getargv(struct procstat *procstat, struct kinfo_proc *kp,
116 size_t nchr, int env);
117 static char *getmnton(kvm_t *kd, struct mount *m);
118 static struct kinfo_vmentry * kinfo_getvmmap_core(struct procstat_core *core,
120 static Elf_Auxinfo *procstat_getauxv_core(struct procstat_core *core,
122 static Elf_Auxinfo *procstat_getauxv_sysctl(pid_t pid, unsigned int *cntp);
123 static struct filestat_list *procstat_getfiles_kvm(
124 struct procstat *procstat, struct kinfo_proc *kp, int mmapped);
125 static struct filestat_list *procstat_getfiles_sysctl(
126 struct procstat *procstat, struct kinfo_proc *kp, int mmapped);
127 static int procstat_get_pipe_info_sysctl(struct filestat *fst,
128 struct pipestat *pipe, char *errbuf);
129 static int procstat_get_pipe_info_kvm(kvm_t *kd, struct filestat *fst,
130 struct pipestat *pipe, char *errbuf);
131 static int procstat_get_pts_info_sysctl(struct filestat *fst,
132 struct ptsstat *pts, char *errbuf);
133 static int procstat_get_pts_info_kvm(kvm_t *kd, struct filestat *fst,
134 struct ptsstat *pts, char *errbuf);
135 static int procstat_get_sem_info_sysctl(struct filestat *fst,
136 struct semstat *sem, char *errbuf);
137 static int procstat_get_sem_info_kvm(kvm_t *kd, struct filestat *fst,
138 struct semstat *sem, char *errbuf);
139 static int procstat_get_shm_info_sysctl(struct filestat *fst,
140 struct shmstat *shm, char *errbuf);
141 static int procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst,
142 struct shmstat *shm, char *errbuf);
143 static int procstat_get_socket_info_sysctl(struct filestat *fst,
144 struct sockstat *sock, char *errbuf);
145 static int procstat_get_socket_info_kvm(kvm_t *kd, struct filestat *fst,
146 struct sockstat *sock, char *errbuf);
147 static int to_filestat_flags(int flags);
148 static int procstat_get_vnode_info_kvm(kvm_t *kd, struct filestat *fst,
149 struct vnstat *vn, char *errbuf);
150 static int procstat_get_vnode_info_sysctl(struct filestat *fst,
151 struct vnstat *vn, char *errbuf);
152 static gid_t *procstat_getgroups_core(struct procstat_core *core,
153 unsigned int *count);
154 static gid_t * procstat_getgroups_kvm(kvm_t *kd, struct kinfo_proc *kp,
155 unsigned int *count);
156 static gid_t *procstat_getgroups_sysctl(pid_t pid, unsigned int *count);
157 static struct kinfo_kstack *procstat_getkstack_sysctl(pid_t pid,
159 static int procstat_getosrel_core(struct procstat_core *core,
161 static int procstat_getosrel_kvm(kvm_t *kd, struct kinfo_proc *kp,
163 static int procstat_getosrel_sysctl(pid_t pid, int *osrelp);
164 static int procstat_getpathname_core(struct procstat_core *core,
165 char *pathname, size_t maxlen);
166 static int procstat_getpathname_sysctl(pid_t pid, char *pathname,
168 static int procstat_getrlimit_core(struct procstat_core *core, int which,
169 struct rlimit* rlimit);
170 static int procstat_getrlimit_kvm(kvm_t *kd, struct kinfo_proc *kp,
171 int which, struct rlimit* rlimit);
172 static int procstat_getrlimit_sysctl(pid_t pid, int which,
173 struct rlimit* rlimit);
174 static int procstat_getumask_core(struct procstat_core *core,
175 unsigned short *maskp);
176 static int procstat_getumask_kvm(kvm_t *kd, struct kinfo_proc *kp,
177 unsigned short *maskp);
178 static int procstat_getumask_sysctl(pid_t pid, unsigned short *maskp);
179 static int vntype2psfsttype(int type);
182 procstat_close(struct procstat *procstat)
186 if (procstat->type == PROCSTAT_KVM)
187 kvm_close(procstat->kd);
188 else if (procstat->type == PROCSTAT_CORE)
189 procstat_core_close(procstat->core);
190 procstat_freeargv(procstat);
191 procstat_freeenvv(procstat);
196 procstat_open_sysctl(void)
198 struct procstat *procstat;
200 procstat = calloc(1, sizeof(*procstat));
201 if (procstat == NULL) {
205 procstat->type = PROCSTAT_SYSCTL;
210 procstat_open_kvm(const char *nlistf, const char *memf)
212 struct procstat *procstat;
214 char buf[_POSIX2_LINE_MAX];
216 procstat = calloc(1, sizeof(*procstat));
217 if (procstat == NULL) {
221 kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf);
223 warnx("kvm_openfiles(): %s", buf);
227 procstat->type = PROCSTAT_KVM;
233 procstat_open_core(const char *filename)
235 struct procstat *procstat;
236 struct procstat_core *core;
238 procstat = calloc(1, sizeof(*procstat));
239 if (procstat == NULL) {
243 core = procstat_core_open(filename);
248 procstat->type = PROCSTAT_CORE;
249 procstat->core = core;
254 procstat_getprocs(struct procstat *procstat, int what, int arg,
257 struct kinfo_proc *p0, *p;
266 if (procstat->type == PROCSTAT_KVM) {
268 p0 = kvm_getprocs(procstat->kd, what, arg, &cnt);
269 if (p0 == NULL || cnt <= 0)
272 len = *count * sizeof(*p);
275 warnx("malloc(%zu)", len);
280 } else if (procstat->type == PROCSTAT_SYSCTL) {
286 error = sysctl(name, nitems(name), NULL, &len, NULL, 0);
287 if (error < 0 && errno != EPERM) {
288 warn("sysctl(kern.proc)");
292 warnx("no processes?");
297 p = reallocf(p, len);
299 warnx("reallocf(%zu)", len);
303 error = sysctl(name, nitems(name), p, &len, NULL, 0);
304 } while (error < 0 && errno == ENOMEM && olen == len);
305 if (error < 0 && errno != EPERM) {
306 warn("sysctl(kern.proc)");
309 /* Perform simple consistency checks. */
310 if ((len % sizeof(*p)) != 0 || p->ki_structsize != sizeof(*p)) {
311 warnx("kinfo_proc structure size mismatch (len = %zu)", len);
314 *count = len / sizeof(*p);
316 } else if (procstat->type == PROCSTAT_CORE) {
317 p = procstat_core_get(procstat->core, PSC_TYPE_PROC, NULL,
319 if ((len % sizeof(*p)) != 0 || p->ki_structsize != sizeof(*p)) {
320 warnx("kinfo_proc structure size mismatch");
323 *count = len / sizeof(*p);
326 warnx("unknown access method: %d", procstat->type);
336 procstat_freeprocs(struct procstat *procstat __unused, struct kinfo_proc *p)
344 struct filestat_list *
345 procstat_getfiles(struct procstat *procstat, struct kinfo_proc *kp, int mmapped)
348 switch(procstat->type) {
350 return (procstat_getfiles_kvm(procstat, kp, mmapped));
351 case PROCSTAT_SYSCTL:
353 return (procstat_getfiles_sysctl(procstat, kp, mmapped));
355 warnx("unknown access method: %d", procstat->type);
361 procstat_freefiles(struct procstat *procstat, struct filestat_list *head)
363 struct filestat *fst, *tmp;
365 STAILQ_FOREACH_SAFE(fst, head, next, tmp) {
366 if (fst->fs_path != NULL)
371 if (procstat->vmentries != NULL) {
372 free(procstat->vmentries);
373 procstat->vmentries = NULL;
375 if (procstat->files != NULL) {
376 free(procstat->files);
377 procstat->files = NULL;
381 static struct filestat *
382 filestat_new_entry(void *typedep, int type, int fd, int fflags, int uflags,
383 int refcount, off_t offset, char *path, cap_rights_t *cap_rightsp)
385 struct filestat *entry;
387 entry = calloc(1, sizeof(*entry));
392 entry->fs_typedep = typedep;
393 entry->fs_fflags = fflags;
394 entry->fs_uflags = uflags;
396 entry->fs_type = type;
397 entry->fs_ref_count = refcount;
398 entry->fs_offset = offset;
399 entry->fs_path = path;
400 if (cap_rightsp != NULL)
401 entry->fs_cap_rights = *cap_rightsp;
403 cap_rights_init(&entry->fs_cap_rights);
407 static struct vnode *
408 getctty(kvm_t *kd, struct kinfo_proc *kp)
416 error = kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
419 warnx("can't read proc struct at %p for pid %d",
420 kp->ki_paddr, kp->ki_pid);
423 if (proc.p_pgrp == NULL)
425 error = kvm_read_all(kd, (unsigned long)proc.p_pgrp, &pgrp,
428 warnx("can't read pgrp struct at %p for pid %d",
429 proc.p_pgrp, kp->ki_pid);
432 error = kvm_read_all(kd, (unsigned long)pgrp.pg_session, &sess,
435 warnx("can't read session struct at %p for pid %d",
436 pgrp.pg_session, kp->ki_pid);
439 return (sess.s_ttyvp);
442 static struct filestat_list *
443 procstat_getfiles_kvm(struct procstat *procstat, struct kinfo_proc *kp, int mmapped)
446 struct filedesc filed;
447 struct vm_map_entry vmentry;
448 struct vm_object object;
449 struct vmspace vmspace;
450 vm_map_entry_t entryp;
454 struct file **ofiles;
455 struct filestat *entry;
456 struct filestat_list *head;
467 if (kp->ki_fd == NULL)
469 if (!kvm_read_all(kd, (unsigned long)kp->ki_fd, &filed,
471 warnx("can't read filedesc at %p", (void *)kp->ki_fd);
476 * Allocate list head.
478 head = malloc(sizeof(*head));
483 /* root directory vnode, if one. */
485 entry = filestat_new_entry(filed.fd_rdir, PS_FST_TYPE_VNODE, -1,
486 PS_FST_FFLAG_READ, PS_FST_UFLAG_RDIR, 0, 0, NULL, NULL);
488 STAILQ_INSERT_TAIL(head, entry, next);
490 /* current working directory vnode. */
492 entry = filestat_new_entry(filed.fd_cdir, PS_FST_TYPE_VNODE, -1,
493 PS_FST_FFLAG_READ, PS_FST_UFLAG_CDIR, 0, 0, NULL, NULL);
495 STAILQ_INSERT_TAIL(head, entry, next);
497 /* jail root, if any. */
499 entry = filestat_new_entry(filed.fd_jdir, PS_FST_TYPE_VNODE, -1,
500 PS_FST_FFLAG_READ, PS_FST_UFLAG_JAIL, 0, 0, NULL, NULL);
502 STAILQ_INSERT_TAIL(head, entry, next);
504 /* ktrace vnode, if one */
506 entry = filestat_new_entry(kp->ki_tracep, PS_FST_TYPE_VNODE, -1,
507 PS_FST_FFLAG_READ | PS_FST_FFLAG_WRITE,
508 PS_FST_UFLAG_TRACE, 0, 0, NULL, NULL);
510 STAILQ_INSERT_TAIL(head, entry, next);
512 /* text vnode, if one */
514 entry = filestat_new_entry(kp->ki_textvp, PS_FST_TYPE_VNODE, -1,
515 PS_FST_FFLAG_READ, PS_FST_UFLAG_TEXT, 0, 0, NULL, NULL);
517 STAILQ_INSERT_TAIL(head, entry, next);
519 /* Controlling terminal. */
520 if ((vp = getctty(kd, kp)) != NULL) {
521 entry = filestat_new_entry(vp, PS_FST_TYPE_VNODE, -1,
522 PS_FST_FFLAG_READ | PS_FST_FFLAG_WRITE,
523 PS_FST_UFLAG_CTTY, 0, 0, NULL, NULL);
525 STAILQ_INSERT_TAIL(head, entry, next);
528 nfiles = filed.fd_lastfile + 1;
529 ofiles = malloc(nfiles * sizeof(struct file *));
530 if (ofiles == NULL) {
531 warn("malloc(%zu)", nfiles * sizeof(struct file *));
534 if (!kvm_read_all(kd, (unsigned long)filed.fd_ofiles, ofiles,
535 nfiles * sizeof(struct file *))) {
536 warnx("cannot read file structures at %p",
537 (void *)filed.fd_ofiles);
541 for (i = 0; i <= filed.fd_lastfile; i++) {
542 if (ofiles[i] == NULL)
544 if (!kvm_read_all(kd, (unsigned long)ofiles[i], &file,
545 sizeof(struct file))) {
546 warnx("can't read file %d at %p", i,
550 switch (file.f_type) {
552 type = PS_FST_TYPE_VNODE;
556 type = PS_FST_TYPE_SOCKET;
560 type = PS_FST_TYPE_PIPE;
564 type = PS_FST_TYPE_FIFO;
569 type = PS_FST_TYPE_PTS;
574 type = PS_FST_TYPE_SEM;
578 type = PS_FST_TYPE_SHM;
584 /* XXXRW: No capability rights support for kvm yet. */
585 entry = filestat_new_entry(data, type, i,
586 to_filestat_flags(file.f_flag), 0, 0, 0, NULL, NULL);
588 STAILQ_INSERT_TAIL(head, entry, next);
595 * Process mmapped files if requested.
598 if (!kvm_read_all(kd, (unsigned long)kp->ki_vmspace, &vmspace,
600 warnx("can't read vmspace at %p",
601 (void *)kp->ki_vmspace);
604 map = &vmspace.vm_map;
606 for (entryp = map->header.next;
607 entryp != &kp->ki_vmspace->vm_map.header;
608 entryp = vmentry.next) {
609 if (!kvm_read_all(kd, (unsigned long)entryp, &vmentry,
611 warnx("can't read vm_map_entry at %p",
615 if (vmentry.eflags & MAP_ENTRY_IS_SUB_MAP)
617 if ((objp = vmentry.object.vm_object) == NULL)
619 for (; objp; objp = object.backing_object) {
620 if (!kvm_read_all(kd, (unsigned long)objp,
621 &object, sizeof(object))) {
622 warnx("can't read vm_object at %p",
628 /* We want only vnode objects. */
629 if (object.type != OBJT_VNODE)
632 prot = vmentry.protection;
634 if (prot & VM_PROT_READ)
635 fflags = PS_FST_FFLAG_READ;
636 if ((vmentry.eflags & MAP_ENTRY_COW) == 0 &&
637 prot & VM_PROT_WRITE)
638 fflags |= PS_FST_FFLAG_WRITE;
641 * Create filestat entry.
643 entry = filestat_new_entry(object.handle,
644 PS_FST_TYPE_VNODE, -1, fflags,
645 PS_FST_UFLAG_MMAP, 0, 0, NULL, NULL);
647 STAILQ_INSERT_TAIL(head, entry, next);
655 * kinfo types to filestat translation.
658 kinfo_type2fst(int kftype)
664 { KF_TYPE_CRYPTO, PS_FST_TYPE_CRYPTO },
665 { KF_TYPE_FIFO, PS_FST_TYPE_FIFO },
666 { KF_TYPE_KQUEUE, PS_FST_TYPE_KQUEUE },
667 { KF_TYPE_MQUEUE, PS_FST_TYPE_MQUEUE },
668 { KF_TYPE_NONE, PS_FST_TYPE_NONE },
669 { KF_TYPE_PIPE, PS_FST_TYPE_PIPE },
670 { KF_TYPE_PTS, PS_FST_TYPE_PTS },
671 { KF_TYPE_SEM, PS_FST_TYPE_SEM },
672 { KF_TYPE_SHM, PS_FST_TYPE_SHM },
673 { KF_TYPE_SOCKET, PS_FST_TYPE_SOCKET },
674 { KF_TYPE_VNODE, PS_FST_TYPE_VNODE },
675 { KF_TYPE_UNKNOWN, PS_FST_TYPE_UNKNOWN }
677 #define NKFTYPES (sizeof(kftypes2fst) / sizeof(*kftypes2fst))
680 for (i = 0; i < NKFTYPES; i++)
681 if (kftypes2fst[i].kf_type == kftype)
684 return (PS_FST_TYPE_UNKNOWN);
685 return (kftypes2fst[i].fst_type);
689 * kinfo flags to filestat translation.
692 kinfo_fflags2fst(int kfflags)
698 { KF_FLAG_APPEND, PS_FST_FFLAG_APPEND },
699 { KF_FLAG_ASYNC, PS_FST_FFLAG_ASYNC },
700 { KF_FLAG_CREAT, PS_FST_FFLAG_CREAT },
701 { KF_FLAG_DIRECT, PS_FST_FFLAG_DIRECT },
702 { KF_FLAG_EXCL, PS_FST_FFLAG_EXCL },
703 { KF_FLAG_EXEC, PS_FST_FFLAG_EXEC },
704 { KF_FLAG_EXLOCK, PS_FST_FFLAG_EXLOCK },
705 { KF_FLAG_FSYNC, PS_FST_FFLAG_SYNC },
706 { KF_FLAG_HASLOCK, PS_FST_FFLAG_HASLOCK },
707 { KF_FLAG_NOFOLLOW, PS_FST_FFLAG_NOFOLLOW },
708 { KF_FLAG_NONBLOCK, PS_FST_FFLAG_NONBLOCK },
709 { KF_FLAG_READ, PS_FST_FFLAG_READ },
710 { KF_FLAG_SHLOCK, PS_FST_FFLAG_SHLOCK },
711 { KF_FLAG_TRUNC, PS_FST_FFLAG_TRUNC },
712 { KF_FLAG_WRITE, PS_FST_FFLAG_WRITE }
714 #define NKFFLAGS (sizeof(kfflags2fst) / sizeof(*kfflags2fst))
719 for (i = 0; i < NKFFLAGS; i++)
720 if ((kfflags & kfflags2fst[i].kf_flag) != 0)
721 flags |= kfflags2fst[i].fst_flag;
726 kinfo_uflags2fst(int fd)
730 case KF_FD_TYPE_CTTY:
731 return (PS_FST_UFLAG_CTTY);
733 return (PS_FST_UFLAG_CDIR);
734 case KF_FD_TYPE_JAIL:
735 return (PS_FST_UFLAG_JAIL);
736 case KF_FD_TYPE_TEXT:
737 return (PS_FST_UFLAG_TEXT);
738 case KF_FD_TYPE_TRACE:
739 return (PS_FST_UFLAG_TRACE);
740 case KF_FD_TYPE_ROOT:
741 return (PS_FST_UFLAG_RDIR);
746 static struct kinfo_file *
747 kinfo_getfile_core(struct procstat_core *core, int *cntp)
752 struct kinfo_file *kif, *kp, *kf;
754 buf = procstat_core_get(core, PSC_TYPE_FILES, NULL, &len);
758 * XXXMG: The code below is just copy&past from libutil.
759 * The code duplication can be avoided if libutil
760 * is extended to provide something like:
761 * struct kinfo_file *kinfo_getfile_from_buf(const char *buf,
762 * size_t len, int *cntp);
765 /* Pass 1: count items */
770 kf = (struct kinfo_file *)(uintptr_t)bp;
771 if (kf->kf_structsize == 0)
773 bp += kf->kf_structsize;
777 kif = calloc(cnt, sizeof(*kif));
787 kf = (struct kinfo_file *)(uintptr_t)bp;
788 if (kf->kf_structsize == 0)
790 /* Copy/expand into pre-zeroed buffer */
791 memcpy(kp, kf, kf->kf_structsize);
792 /* Advance to next packed record */
793 bp += kf->kf_structsize;
794 /* Set field size to fixed length, advance */
795 kp->kf_structsize = sizeof(*kp);
800 return (kif); /* Caller must free() return value */
803 static struct filestat_list *
804 procstat_getfiles_sysctl(struct procstat *procstat, struct kinfo_proc *kp,
807 struct kinfo_file *kif, *files;
808 struct kinfo_vmentry *kve, *vmentries;
809 struct filestat_list *head;
810 struct filestat *entry;
816 cap_rights_t cap_rights;
819 if (kp->ki_fd == NULL)
821 switch(procstat->type) {
822 case PROCSTAT_SYSCTL:
823 files = kinfo_getfile(kp->ki_pid, &cnt);
826 files = kinfo_getfile_core(procstat->core, &cnt);
829 assert(!"invalid type");
831 if (files == NULL && errno != EPERM) {
832 warn("kinfo_getfile()");
835 procstat->files = files;
838 * Allocate list head.
840 head = malloc(sizeof(*head));
844 for (i = 0; i < cnt; i++) {
847 type = kinfo_type2fst(kif->kf_type);
848 fd = kif->kf_fd >= 0 ? kif->kf_fd : -1;
849 fflags = kinfo_fflags2fst(kif->kf_flags);
850 uflags = kinfo_uflags2fst(kif->kf_fd);
851 refcount = kif->kf_ref_count;
852 offset = kif->kf_offset;
853 if (*kif->kf_path != '\0')
854 path = strdup(kif->kf_path);
857 cap_rights = kif->kf_cap_rights;
860 * Create filestat entry.
862 entry = filestat_new_entry(kif, type, fd, fflags, uflags,
863 refcount, offset, path, &cap_rights);
865 STAILQ_INSERT_TAIL(head, entry, next);
868 vmentries = procstat_getvmmap(procstat, kp, &cnt);
869 procstat->vmentries = vmentries;
870 if (vmentries == NULL || cnt == 0)
872 for (i = 0; i < cnt; i++) {
874 if (kve->kve_type != KVME_TYPE_VNODE)
877 if (kve->kve_protection & KVME_PROT_READ)
878 fflags = PS_FST_FFLAG_READ;
879 if ((kve->kve_flags & KVME_FLAG_COW) == 0 &&
880 kve->kve_protection & KVME_PROT_WRITE)
881 fflags |= PS_FST_FFLAG_WRITE;
882 offset = kve->kve_offset;
883 refcount = kve->kve_ref_count;
884 if (*kve->kve_path != '\0')
885 path = strdup(kve->kve_path);
888 entry = filestat_new_entry(kve, PS_FST_TYPE_VNODE, -1,
889 fflags, PS_FST_UFLAG_MMAP, refcount, offset, path,
892 STAILQ_INSERT_TAIL(head, entry, next);
900 procstat_get_pipe_info(struct procstat *procstat, struct filestat *fst,
901 struct pipestat *ps, char *errbuf)
905 if (procstat->type == PROCSTAT_KVM) {
906 return (procstat_get_pipe_info_kvm(procstat->kd, fst, ps,
908 } else if (procstat->type == PROCSTAT_SYSCTL ||
909 procstat->type == PROCSTAT_CORE) {
910 return (procstat_get_pipe_info_sysctl(fst, ps, errbuf));
912 warnx("unknown access method: %d", procstat->type);
914 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
920 procstat_get_pipe_info_kvm(kvm_t *kd, struct filestat *fst,
921 struct pipestat *ps, char *errbuf)
929 bzero(ps, sizeof(*ps));
930 pipep = fst->fs_typedep;
933 if (!kvm_read_all(kd, (unsigned long)pipep, &pi, sizeof(struct pipe))) {
934 warnx("can't read pipe at %p", (void *)pipep);
937 ps->addr = (uintptr_t)pipep;
938 ps->peer = (uintptr_t)pi.pipe_peer;
939 ps->buffer_cnt = pi.pipe_buffer.cnt;
944 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
949 procstat_get_pipe_info_sysctl(struct filestat *fst, struct pipestat *ps,
950 char *errbuf __unused)
952 struct kinfo_file *kif;
956 bzero(ps, sizeof(*ps));
957 kif = fst->fs_typedep;
960 ps->addr = kif->kf_un.kf_pipe.kf_pipe_addr;
961 ps->peer = kif->kf_un.kf_pipe.kf_pipe_peer;
962 ps->buffer_cnt = kif->kf_un.kf_pipe.kf_pipe_buffer_cnt;
967 procstat_get_pts_info(struct procstat *procstat, struct filestat *fst,
968 struct ptsstat *pts, char *errbuf)
972 if (procstat->type == PROCSTAT_KVM) {
973 return (procstat_get_pts_info_kvm(procstat->kd, fst, pts,
975 } else if (procstat->type == PROCSTAT_SYSCTL ||
976 procstat->type == PROCSTAT_CORE) {
977 return (procstat_get_pts_info_sysctl(fst, pts, errbuf));
979 warnx("unknown access method: %d", procstat->type);
981 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
987 procstat_get_pts_info_kvm(kvm_t *kd, struct filestat *fst,
988 struct ptsstat *pts, char *errbuf)
996 bzero(pts, sizeof(*pts));
997 ttyp = fst->fs_typedep;
1000 if (!kvm_read_all(kd, (unsigned long)ttyp, &tty, sizeof(struct tty))) {
1001 warnx("can't read tty at %p", (void *)ttyp);
1004 pts->dev = dev2udev(kd, tty.t_dev);
1005 (void)kdevtoname(kd, tty.t_dev, pts->devname);
1010 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1015 procstat_get_pts_info_sysctl(struct filestat *fst, struct ptsstat *pts,
1016 char *errbuf __unused)
1018 struct kinfo_file *kif;
1022 bzero(pts, sizeof(*pts));
1023 kif = fst->fs_typedep;
1026 pts->dev = kif->kf_un.kf_pts.kf_pts_dev;
1027 strlcpy(pts->devname, kif->kf_path, sizeof(pts->devname));
1032 procstat_get_sem_info(struct procstat *procstat, struct filestat *fst,
1033 struct semstat *sem, char *errbuf)
1037 if (procstat->type == PROCSTAT_KVM) {
1038 return (procstat_get_sem_info_kvm(procstat->kd, fst, sem,
1040 } else if (procstat->type == PROCSTAT_SYSCTL ||
1041 procstat->type == PROCSTAT_CORE) {
1042 return (procstat_get_sem_info_sysctl(fst, sem, errbuf));
1044 warnx("unknown access method: %d", procstat->type);
1046 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1052 procstat_get_sem_info_kvm(kvm_t *kd, struct filestat *fst,
1053 struct semstat *sem, char *errbuf)
1063 bzero(sem, sizeof(*sem));
1064 ksemp = fst->fs_typedep;
1067 if (!kvm_read_all(kd, (unsigned long)ksemp, &ksem,
1068 sizeof(struct ksem))) {
1069 warnx("can't read ksem at %p", (void *)ksemp);
1072 sem->mode = S_IFREG | ksem.ks_mode;
1073 sem->value = ksem.ks_value;
1074 if (fst->fs_path == NULL && ksem.ks_path != NULL) {
1075 path = malloc(MAXPATHLEN);
1076 for (i = 0; i < MAXPATHLEN - 1; i++) {
1077 if (!kvm_read_all(kd, (unsigned long)ksem.ks_path + i,
1080 if (path[i] == '\0')
1087 fst->fs_path = path;
1093 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1098 procstat_get_sem_info_sysctl(struct filestat *fst, struct semstat *sem,
1099 char *errbuf __unused)
1101 struct kinfo_file *kif;
1105 bzero(sem, sizeof(*sem));
1106 kif = fst->fs_typedep;
1109 sem->value = kif->kf_un.kf_sem.kf_sem_value;
1110 sem->mode = kif->kf_un.kf_sem.kf_sem_mode;
1115 procstat_get_shm_info(struct procstat *procstat, struct filestat *fst,
1116 struct shmstat *shm, char *errbuf)
1120 if (procstat->type == PROCSTAT_KVM) {
1121 return (procstat_get_shm_info_kvm(procstat->kd, fst, shm,
1123 } else if (procstat->type == PROCSTAT_SYSCTL ||
1124 procstat->type == PROCSTAT_CORE) {
1125 return (procstat_get_shm_info_sysctl(fst, shm, errbuf));
1127 warnx("unknown access method: %d", procstat->type);
1129 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1135 procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst,
1136 struct shmstat *shm, char *errbuf)
1146 bzero(shm, sizeof(*shm));
1147 shmfdp = fst->fs_typedep;
1150 if (!kvm_read_all(kd, (unsigned long)shmfdp, &shmfd,
1151 sizeof(struct shmfd))) {
1152 warnx("can't read shmfd at %p", (void *)shmfdp);
1155 shm->mode = S_IFREG | shmfd.shm_mode;
1156 shm->size = shmfd.shm_size;
1157 if (fst->fs_path == NULL && shmfd.shm_path != NULL) {
1158 path = malloc(MAXPATHLEN);
1159 for (i = 0; i < MAXPATHLEN - 1; i++) {
1160 if (!kvm_read_all(kd, (unsigned long)shmfd.shm_path + i,
1163 if (path[i] == '\0')
1170 fst->fs_path = path;
1176 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1181 procstat_get_shm_info_sysctl(struct filestat *fst, struct shmstat *shm,
1182 char *errbuf __unused)
1184 struct kinfo_file *kif;
1188 bzero(shm, sizeof(*shm));
1189 kif = fst->fs_typedep;
1192 shm->size = kif->kf_un.kf_file.kf_file_size;
1193 shm->mode = kif->kf_un.kf_file.kf_file_mode;
1198 procstat_get_vnode_info(struct procstat *procstat, struct filestat *fst,
1199 struct vnstat *vn, char *errbuf)
1203 if (procstat->type == PROCSTAT_KVM) {
1204 return (procstat_get_vnode_info_kvm(procstat->kd, fst, vn,
1206 } else if (procstat->type == PROCSTAT_SYSCTL ||
1207 procstat->type == PROCSTAT_CORE) {
1208 return (procstat_get_vnode_info_sysctl(fst, vn, errbuf));
1210 warnx("unknown access method: %d", procstat->type);
1212 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1218 procstat_get_vnode_info_kvm(kvm_t *kd, struct filestat *fst,
1219 struct vnstat *vn, char *errbuf)
1221 /* Filesystem specific handlers. */
1222 #define FSTYPE(fst) {#fst, fst##_filestat}
1225 int (*handler)(kvm_t *kd, struct vnode *vp,
1235 #ifdef LIBPROCSTAT_ZFS
1239 #define NTYPES (sizeof(fstypes) / sizeof(*fstypes))
1249 vp = fst->fs_typedep;
1252 error = kvm_read_all(kd, (unsigned long)vp, &vnode, sizeof(vnode));
1254 warnx("can't read vnode at %p", (void *)vp);
1257 bzero(vn, sizeof(*vn));
1258 vn->vn_type = vntype2psfsttype(vnode.v_type);
1259 if (vnode.v_type == VNON || vnode.v_type == VBAD)
1261 error = kvm_read_all(kd, (unsigned long)vnode.v_tag, tagstr,
1264 warnx("can't read v_tag at %p", (void *)vp);
1267 tagstr[sizeof(tagstr) - 1] = '\0';
1270 * Find appropriate handler.
1272 for (i = 0; i < NTYPES; i++)
1273 if (!strcmp(fstypes[i].tag, tagstr)) {
1274 if (fstypes[i].handler(kd, &vnode, vn) != 0) {
1281 snprintf(errbuf, _POSIX2_LINE_MAX, "?(%s)", tagstr);
1284 vn->vn_mntdir = getmnton(kd, vnode.v_mount);
1285 if ((vnode.v_type == VBLK || vnode.v_type == VCHR) &&
1286 vnode.v_rdev != NULL){
1287 vn->vn_dev = dev2udev(kd, vnode.v_rdev);
1288 (void)kdevtoname(kd, vnode.v_rdev, vn->vn_devname);
1296 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1301 * kinfo vnode type to filestat translation.
1304 kinfo_vtype2fst(int kfvtype)
1309 } kfvtypes2fst[] = {
1310 { KF_VTYPE_VBAD, PS_FST_VTYPE_VBAD },
1311 { KF_VTYPE_VBLK, PS_FST_VTYPE_VBLK },
1312 { KF_VTYPE_VCHR, PS_FST_VTYPE_VCHR },
1313 { KF_VTYPE_VDIR, PS_FST_VTYPE_VDIR },
1314 { KF_VTYPE_VFIFO, PS_FST_VTYPE_VFIFO },
1315 { KF_VTYPE_VLNK, PS_FST_VTYPE_VLNK },
1316 { KF_VTYPE_VNON, PS_FST_VTYPE_VNON },
1317 { KF_VTYPE_VREG, PS_FST_VTYPE_VREG },
1318 { KF_VTYPE_VSOCK, PS_FST_VTYPE_VSOCK }
1320 #define NKFVTYPES (sizeof(kfvtypes2fst) / sizeof(*kfvtypes2fst))
1323 for (i = 0; i < NKFVTYPES; i++)
1324 if (kfvtypes2fst[i].kf_vtype == kfvtype)
1327 return (PS_FST_VTYPE_UNKNOWN);
1328 return (kfvtypes2fst[i].fst_vtype);
1332 procstat_get_vnode_info_sysctl(struct filestat *fst, struct vnstat *vn,
1335 struct statfs stbuf;
1336 struct kinfo_file *kif;
1337 struct kinfo_vmentry *kve;
1349 bzero(vn, sizeof(*vn));
1350 if (fst->fs_typedep == NULL)
1352 if (fst->fs_uflags & PS_FST_UFLAG_MMAP) {
1353 kve = fst->fs_typedep;
1354 fileid = kve->kve_vn_fileid;
1355 fsid = kve->kve_vn_fsid;
1356 mode = kve->kve_vn_mode;
1357 path = kve->kve_path;
1358 rdev = kve->kve_vn_rdev;
1359 size = kve->kve_vn_size;
1360 vntype = kinfo_vtype2fst(kve->kve_vn_type);
1361 status = kve->kve_status;
1363 kif = fst->fs_typedep;
1364 fileid = kif->kf_un.kf_file.kf_file_fileid;
1365 fsid = kif->kf_un.kf_file.kf_file_fsid;
1366 mode = kif->kf_un.kf_file.kf_file_mode;
1367 path = kif->kf_path;
1368 rdev = kif->kf_un.kf_file.kf_file_rdev;
1369 size = kif->kf_un.kf_file.kf_file_size;
1370 vntype = kinfo_vtype2fst(kif->kf_vnode_type);
1371 status = kif->kf_status;
1373 vn->vn_type = vntype;
1374 if (vntype == PS_FST_VTYPE_VNON || vntype == PS_FST_VTYPE_VBAD)
1376 if ((status & KF_ATTR_VALID) == 0) {
1377 if (errbuf != NULL) {
1378 snprintf(errbuf, _POSIX2_LINE_MAX,
1379 "? (no info available)");
1383 if (path && *path) {
1384 statfs(path, &stbuf);
1385 vn->vn_mntdir = strdup(stbuf.f_mntonname);
1387 vn->vn_mntdir = strdup("-");
1389 if (vntype == PS_FST_VTYPE_VBLK) {
1390 name = devname(rdev, S_IFBLK);
1392 strlcpy(vn->vn_devname, name,
1393 sizeof(vn->vn_devname));
1394 } else if (vntype == PS_FST_VTYPE_VCHR) {
1395 name = devname(vn->vn_dev, S_IFCHR);
1397 strlcpy(vn->vn_devname, name,
1398 sizeof(vn->vn_devname));
1401 vn->vn_fileid = fileid;
1408 procstat_get_socket_info(struct procstat *procstat, struct filestat *fst,
1409 struct sockstat *sock, char *errbuf)
1413 if (procstat->type == PROCSTAT_KVM) {
1414 return (procstat_get_socket_info_kvm(procstat->kd, fst, sock,
1416 } else if (procstat->type == PROCSTAT_SYSCTL ||
1417 procstat->type == PROCSTAT_CORE) {
1418 return (procstat_get_socket_info_sysctl(fst, sock, errbuf));
1420 warnx("unknown access method: %d", procstat->type);
1422 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1428 procstat_get_socket_info_kvm(kvm_t *kd, struct filestat *fst,
1429 struct sockstat *sock, char *errbuf)
1433 struct protosw proto;
1442 bzero(sock, sizeof(*sock));
1443 so = fst->fs_typedep;
1446 sock->so_addr = (uintptr_t)so;
1447 /* fill in socket */
1448 if (!kvm_read_all(kd, (unsigned long)so, &s,
1449 sizeof(struct socket))) {
1450 warnx("can't read sock at %p", (void *)so);
1453 /* fill in protosw entry */
1454 if (!kvm_read_all(kd, (unsigned long)s.so_proto, &proto,
1455 sizeof(struct protosw))) {
1456 warnx("can't read protosw at %p", (void *)s.so_proto);
1459 /* fill in domain */
1460 if (!kvm_read_all(kd, (unsigned long)proto.pr_domain, &dom,
1461 sizeof(struct domain))) {
1462 warnx("can't read domain at %p",
1463 (void *)proto.pr_domain);
1466 if ((len = kvm_read(kd, (unsigned long)dom.dom_name, sock->dname,
1467 sizeof(sock->dname) - 1)) < 0) {
1468 warnx("can't read domain name at %p", (void *)dom.dom_name);
1469 sock->dname[0] = '\0';
1472 sock->dname[len] = '\0';
1475 * Fill in known data.
1477 sock->type = s.so_type;
1478 sock->proto = proto.pr_protocol;
1479 sock->dom_family = dom.dom_family;
1480 sock->so_pcb = (uintptr_t)s.so_pcb;
1483 * Protocol specific data.
1485 switch(dom.dom_family) {
1488 if (proto.pr_protocol == IPPROTO_TCP) {
1490 if (kvm_read(kd, (u_long)s.so_pcb,
1491 (char *)&inpcb, sizeof(struct inpcb))
1492 != sizeof(struct inpcb)) {
1493 warnx("can't read inpcb at %p",
1497 (uintptr_t)inpcb.inp_ppcb;
1503 if (kvm_read(kd, (u_long)s.so_pcb, (char *)&unpcb,
1504 sizeof(struct unpcb)) != sizeof(struct unpcb)){
1505 warnx("can't read unpcb at %p",
1507 } else if (unpcb.unp_conn) {
1508 sock->so_rcv_sb_state = s.so_rcv.sb_state;
1509 sock->so_snd_sb_state = s.so_snd.sb_state;
1510 sock->unp_conn = (uintptr_t)unpcb.unp_conn;
1521 snprintf(errbuf, _POSIX2_LINE_MAX, "error");
1526 procstat_get_socket_info_sysctl(struct filestat *fst, struct sockstat *sock,
1527 char *errbuf __unused)
1529 struct kinfo_file *kif;
1533 bzero(sock, sizeof(*sock));
1534 kif = fst->fs_typedep;
1539 * Fill in known data.
1541 sock->type = kif->kf_sock_type;
1542 sock->proto = kif->kf_sock_protocol;
1543 sock->dom_family = kif->kf_sock_domain;
1544 sock->so_pcb = kif->kf_un.kf_sock.kf_sock_pcb;
1545 strlcpy(sock->dname, kif->kf_path, sizeof(sock->dname));
1546 bcopy(&kif->kf_sa_local, &sock->sa_local, kif->kf_sa_local.ss_len);
1547 bcopy(&kif->kf_sa_peer, &sock->sa_peer, kif->kf_sa_peer.ss_len);
1550 * Protocol specific data.
1552 switch(sock->dom_family) {
1555 if (sock->proto == IPPROTO_TCP)
1556 sock->inp_ppcb = kif->kf_un.kf_sock.kf_sock_inpcb;
1559 if (kif->kf_un.kf_sock.kf_sock_unpconn != 0) {
1560 sock->so_rcv_sb_state =
1561 kif->kf_un.kf_sock.kf_sock_rcv_sb_state;
1562 sock->so_snd_sb_state =
1563 kif->kf_un.kf_sock.kf_sock_snd_sb_state;
1565 kif->kf_un.kf_sock.kf_sock_unpconn;
1575 * Descriptor flags to filestat translation.
1578 to_filestat_flags(int flags)
1584 { FREAD, PS_FST_FFLAG_READ },
1585 { FWRITE, PS_FST_FFLAG_WRITE },
1586 { O_APPEND, PS_FST_FFLAG_APPEND },
1587 { O_ASYNC, PS_FST_FFLAG_ASYNC },
1588 { O_CREAT, PS_FST_FFLAG_CREAT },
1589 { O_DIRECT, PS_FST_FFLAG_DIRECT },
1590 { O_EXCL, PS_FST_FFLAG_EXCL },
1591 { O_EXEC, PS_FST_FFLAG_EXEC },
1592 { O_EXLOCK, PS_FST_FFLAG_EXLOCK },
1593 { O_NOFOLLOW, PS_FST_FFLAG_NOFOLLOW },
1594 { O_NONBLOCK, PS_FST_FFLAG_NONBLOCK },
1595 { O_SHLOCK, PS_FST_FFLAG_SHLOCK },
1596 { O_SYNC, PS_FST_FFLAG_SYNC },
1597 { O_TRUNC, PS_FST_FFLAG_TRUNC }
1599 #define NFSTFLAGS (sizeof(fstflags) / sizeof(*fstflags))
1604 for (i = 0; i < NFSTFLAGS; i++)
1605 if (flags & fstflags[i].flag)
1606 fst_flags |= fstflags[i].fst_flag;
1611 * Vnode type to filestate translation.
1614 vntype2psfsttype(int type)
1620 { VBAD, PS_FST_VTYPE_VBAD },
1621 { VBLK, PS_FST_VTYPE_VBLK },
1622 { VCHR, PS_FST_VTYPE_VCHR },
1623 { VDIR, PS_FST_VTYPE_VDIR },
1624 { VFIFO, PS_FST_VTYPE_VFIFO },
1625 { VLNK, PS_FST_VTYPE_VLNK },
1626 { VNON, PS_FST_VTYPE_VNON },
1627 { VREG, PS_FST_VTYPE_VREG },
1628 { VSOCK, PS_FST_VTYPE_VSOCK }
1630 #define NVFTYPES (sizeof(vt2fst) / sizeof(*vt2fst))
1631 unsigned int i, fst_type;
1633 fst_type = PS_FST_VTYPE_UNKNOWN;
1634 for (i = 0; i < NVFTYPES; i++) {
1635 if (type == vt2fst[i].vtype) {
1636 fst_type = vt2fst[i].fst_vtype;
1644 getmnton(kvm_t *kd, struct mount *m)
1647 static struct mtab {
1650 char mntonname[MNAMELEN + 1];
1654 for (mt = mhead; mt != NULL; mt = mt->next)
1656 return (mt->mntonname);
1657 if (!kvm_read_all(kd, (unsigned long)m, &mnt, sizeof(struct mount))) {
1658 warnx("can't read mount table at %p", (void *)m);
1661 if ((mt = malloc(sizeof (struct mtab))) == NULL)
1664 bcopy(&mnt.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN);
1665 mt->mntonname[MNAMELEN] = '\0';
1668 return (mt->mntonname);
1672 * Auxiliary structures and functions to get process environment or
1673 * command line arguments.
1682 static struct argvec *
1683 argvec_alloc(size_t bufsize)
1687 av = malloc(sizeof(*av));
1690 av->bufsize = bufsize;
1691 av->buf = malloc(av->bufsize);
1692 if (av->buf == NULL) {
1697 av->argv = malloc(sizeof(char *) * av->argc);
1698 if (av->argv == NULL) {
1707 argvec_free(struct argvec * av)
1716 getargv(struct procstat *procstat, struct kinfo_proc *kp, size_t nchr, int env)
1718 int error, name[4], argc, i;
1719 struct argvec *av, **avp;
1726 if (procstat->type == PROCSTAT_KVM) {
1727 warnx("can't use kvm access method");
1730 if (procstat->type != PROCSTAT_SYSCTL &&
1731 procstat->type != PROCSTAT_CORE) {
1732 warnx("unknown access method: %d", procstat->type);
1736 if (nchr == 0 || nchr > ARG_MAX)
1739 avp = (struct argvec **)(env ? &procstat->argv : &procstat->envv);
1744 av = argvec_alloc(nchr);
1747 warn("malloc(%zu)", nchr);
1751 } else if (av->bufsize < nchr) {
1752 av->buf = reallocf(av->buf, nchr);
1753 if (av->buf == NULL) {
1754 warn("malloc(%zu)", nchr);
1758 if (procstat->type == PROCSTAT_SYSCTL) {
1760 name[1] = KERN_PROC;
1761 name[2] = env ? KERN_PROC_ENV : KERN_PROC_ARGS;
1762 name[3] = kp->ki_pid;
1764 error = sysctl(name, nitems(name), av->buf, &len, NULL, 0);
1765 if (error != 0 && errno != ESRCH && errno != EPERM)
1766 warn("sysctl(kern.proc.%s)", env ? "env" : "args");
1767 if (error != 0 || len == 0)
1769 } else /* procstat->type == PROCSTAT_CORE */ {
1770 type = env ? PSC_TYPE_ENVV : PSC_TYPE_ARGV;
1772 if (procstat_core_get(procstat->core, type, av->buf, &len)
1781 for (p = av->buf; p < av->buf + len; p += strlen(p) + 1) {
1787 argv = realloc(argv, sizeof(char *) * argc);
1789 warn("malloc(%zu)", sizeof(char *) * argc);
1801 * Return process command line arguments.
1804 procstat_getargv(struct procstat *procstat, struct kinfo_proc *p, size_t nchr)
1807 return (getargv(procstat, p, nchr, 0));
1811 * Free the buffer allocated by procstat_getargv().
1814 procstat_freeargv(struct procstat *procstat)
1817 if (procstat->argv != NULL) {
1818 argvec_free(procstat->argv);
1819 procstat->argv = NULL;
1824 * Return process environment.
1827 procstat_getenvv(struct procstat *procstat, struct kinfo_proc *p, size_t nchr)
1830 return (getargv(procstat, p, nchr, 1));
1834 * Free the buffer allocated by procstat_getenvv().
1837 procstat_freeenvv(struct procstat *procstat)
1839 if (procstat->envv != NULL) {
1840 argvec_free(procstat->envv);
1841 procstat->envv = NULL;
1845 static struct kinfo_vmentry *
1846 kinfo_getvmmap_core(struct procstat_core *core, int *cntp)
1850 char *buf, *bp, *eb;
1851 struct kinfo_vmentry *kiv, *kp, *kv;
1853 buf = procstat_core_get(core, PSC_TYPE_VMMAP, NULL, &len);
1858 * XXXMG: The code below is just copy&past from libutil.
1859 * The code duplication can be avoided if libutil
1860 * is extended to provide something like:
1861 * struct kinfo_vmentry *kinfo_getvmmap_from_buf(const char *buf,
1862 * size_t len, int *cntp);
1865 /* Pass 1: count items */
1870 kv = (struct kinfo_vmentry *)(uintptr_t)bp;
1871 if (kv->kve_structsize == 0)
1873 bp += kv->kve_structsize;
1877 kiv = calloc(cnt, sizeof(*kiv));
1885 /* Pass 2: unpack */
1887 kv = (struct kinfo_vmentry *)(uintptr_t)bp;
1888 if (kv->kve_structsize == 0)
1890 /* Copy/expand into pre-zeroed buffer */
1891 memcpy(kp, kv, kv->kve_structsize);
1892 /* Advance to next packed record */
1893 bp += kv->kve_structsize;
1894 /* Set field size to fixed length, advance */
1895 kp->kve_structsize = sizeof(*kp);
1900 return (kiv); /* Caller must free() return value */
1903 struct kinfo_vmentry *
1904 procstat_getvmmap(struct procstat *procstat, struct kinfo_proc *kp,
1908 switch(procstat->type) {
1910 warnx("kvm method is not supported");
1912 case PROCSTAT_SYSCTL:
1913 return (kinfo_getvmmap(kp->ki_pid, cntp));
1915 return (kinfo_getvmmap_core(procstat->core, cntp));
1917 warnx("unknown access method: %d", procstat->type);
1923 procstat_freevmmap(struct procstat *procstat __unused,
1924 struct kinfo_vmentry *vmmap)
1931 procstat_getgroups_kvm(kvm_t *kd, struct kinfo_proc *kp, unsigned int *cntp)
1940 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
1942 warnx("can't read proc struct at %p for pid %d",
1943 kp->ki_paddr, kp->ki_pid);
1946 if (proc.p_ucred == NOCRED)
1948 if (!kvm_read_all(kd, (unsigned long)proc.p_ucred, &ucred,
1950 warnx("can't read ucred struct at %p for pid %d",
1951 proc.p_ucred, kp->ki_pid);
1954 len = ucred.cr_ngroups * sizeof(gid_t);
1955 groups = malloc(len);
1956 if (groups == NULL) {
1957 warn("malloc(%zu)", len);
1960 if (!kvm_read_all(kd, (unsigned long)ucred.cr_groups, groups, len)) {
1961 warnx("can't read groups at %p for pid %d",
1962 ucred.cr_groups, kp->ki_pid);
1966 *cntp = ucred.cr_ngroups;
1971 procstat_getgroups_sysctl(pid_t pid, unsigned int *cntp)
1979 mib[2] = KERN_PROC_GROUPS;
1981 len = (sysconf(_SC_NGROUPS_MAX) + 1) * sizeof(gid_t);
1982 groups = malloc(len);
1983 if (groups == NULL) {
1984 warn("malloc(%zu)", len);
1987 if (sysctl(mib, nitems(mib), groups, &len, NULL, 0) == -1) {
1988 warn("sysctl: kern.proc.groups: %d", pid);
1992 *cntp = len / sizeof(gid_t);
1997 procstat_getgroups_core(struct procstat_core *core, unsigned int *cntp)
2002 groups = procstat_core_get(core, PSC_TYPE_GROUPS, NULL, &len);
2005 *cntp = len / sizeof(gid_t);
2010 procstat_getgroups(struct procstat *procstat, struct kinfo_proc *kp,
2013 switch(procstat->type) {
2015 return (procstat_getgroups_kvm(procstat->kd, kp, cntp));
2016 case PROCSTAT_SYSCTL:
2017 return (procstat_getgroups_sysctl(kp->ki_pid, cntp));
2019 return (procstat_getgroups_core(procstat->core, cntp));
2021 warnx("unknown access method: %d", procstat->type);
2027 procstat_freegroups(struct procstat *procstat __unused, gid_t *groups)
2034 procstat_getumask_kvm(kvm_t *kd, struct kinfo_proc *kp, unsigned short *maskp)
2040 if (kp->ki_fd == NULL)
2042 if (!kvm_read_all(kd, (unsigned long)kp->ki_fd, &fd, sizeof(fd))) {
2043 warnx("can't read filedesc at %p for pid %d", kp->ki_fd,
2047 *maskp = fd.fd_cmask;
2052 procstat_getumask_sysctl(pid_t pid, unsigned short *maskp)
2060 mib[2] = KERN_PROC_UMASK;
2062 len = sizeof(*maskp);
2063 error = sysctl(mib, nitems(mib), maskp, &len, NULL, 0);
2064 if (error != 0 && errno != ESRCH && errno != EPERM)
2065 warn("sysctl: kern.proc.umask: %d", pid);
2070 procstat_getumask_core(struct procstat_core *core, unsigned short *maskp)
2073 unsigned short *buf;
2075 buf = procstat_core_get(core, PSC_TYPE_UMASK, NULL, &len);
2078 if (len < sizeof(*maskp)) {
2088 procstat_getumask(struct procstat *procstat, struct kinfo_proc *kp,
2089 unsigned short *maskp)
2091 switch(procstat->type) {
2093 return (procstat_getumask_kvm(procstat->kd, kp, maskp));
2094 case PROCSTAT_SYSCTL:
2095 return (procstat_getumask_sysctl(kp->ki_pid, maskp));
2097 return (procstat_getumask_core(procstat->core, maskp));
2099 warnx("unknown access method: %d", procstat->type);
2105 procstat_getrlimit_kvm(kvm_t *kd, struct kinfo_proc *kp, int which,
2106 struct rlimit* rlimit)
2109 unsigned long offset;
2113 assert(which >= 0 && which < RLIM_NLIMITS);
2114 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
2116 warnx("can't read proc struct at %p for pid %d",
2117 kp->ki_paddr, kp->ki_pid);
2120 if (proc.p_limit == NULL)
2122 offset = (unsigned long)proc.p_limit + sizeof(struct rlimit) * which;
2123 if (!kvm_read_all(kd, offset, rlimit, sizeof(*rlimit))) {
2124 warnx("can't read rlimit struct at %p for pid %d",
2125 (void *)offset, kp->ki_pid);
2132 procstat_getrlimit_sysctl(pid_t pid, int which, struct rlimit* rlimit)
2138 name[1] = KERN_PROC;
2139 name[2] = KERN_PROC_RLIMIT;
2142 len = sizeof(struct rlimit);
2143 error = sysctl(name, nitems(name), rlimit, &len, NULL, 0);
2144 if (error < 0 && errno != ESRCH) {
2145 warn("sysctl: kern.proc.rlimit: %d", pid);
2148 if (error < 0 || len != sizeof(struct rlimit))
2154 procstat_getrlimit_core(struct procstat_core *core, int which,
2155 struct rlimit* rlimit)
2158 struct rlimit* rlimits;
2160 if (which < 0 || which >= RLIM_NLIMITS) {
2162 warn("getrlimit: which");
2165 rlimits = procstat_core_get(core, PSC_TYPE_RLIMIT, NULL, &len);
2166 if (rlimits == NULL)
2168 if (len < sizeof(struct rlimit) * RLIM_NLIMITS) {
2172 *rlimit = rlimits[which];
2177 procstat_getrlimit(struct procstat *procstat, struct kinfo_proc *kp, int which,
2178 struct rlimit* rlimit)
2180 switch(procstat->type) {
2182 return (procstat_getrlimit_kvm(procstat->kd, kp, which,
2184 case PROCSTAT_SYSCTL:
2185 return (procstat_getrlimit_sysctl(kp->ki_pid, which, rlimit));
2187 return (procstat_getrlimit_core(procstat->core, which, rlimit));
2189 warnx("unknown access method: %d", procstat->type);
2195 procstat_getpathname_sysctl(pid_t pid, char *pathname, size_t maxlen)
2201 name[1] = KERN_PROC;
2202 name[2] = KERN_PROC_PATHNAME;
2205 error = sysctl(name, nitems(name), pathname, &len, NULL, 0);
2206 if (error != 0 && errno != ESRCH)
2207 warn("sysctl: kern.proc.pathname: %d", pid);
2214 procstat_getpathname_core(struct procstat_core *core, char *pathname,
2217 struct kinfo_file *files;
2220 files = kinfo_getfile_core(core, &cnt);
2224 for (i = 0; i < cnt; i++) {
2225 if (files[i].kf_fd != KF_FD_TYPE_TEXT)
2227 strncpy(pathname, files[i].kf_path, maxlen);
2236 procstat_getpathname(struct procstat *procstat, struct kinfo_proc *kp,
2237 char *pathname, size_t maxlen)
2239 switch(procstat->type) {
2241 /* XXX: Return empty string. */
2245 case PROCSTAT_SYSCTL:
2246 return (procstat_getpathname_sysctl(kp->ki_pid, pathname,
2249 return (procstat_getpathname_core(procstat->core, pathname,
2252 warnx("unknown access method: %d", procstat->type);
2258 procstat_getosrel_kvm(kvm_t *kd, struct kinfo_proc *kp, int *osrelp)
2264 if (!kvm_read_all(kd, (unsigned long)kp->ki_paddr, &proc,
2266 warnx("can't read proc struct at %p for pid %d",
2267 kp->ki_paddr, kp->ki_pid);
2270 *osrelp = proc.p_osrel;
2275 procstat_getosrel_sysctl(pid_t pid, int *osrelp)
2281 name[1] = KERN_PROC;
2282 name[2] = KERN_PROC_OSREL;
2284 len = sizeof(*osrelp);
2285 error = sysctl(name, nitems(name), osrelp, &len, NULL, 0);
2286 if (error != 0 && errno != ESRCH)
2287 warn("sysctl: kern.proc.osrel: %d", pid);
2292 procstat_getosrel_core(struct procstat_core *core, int *osrelp)
2297 buf = procstat_core_get(core, PSC_TYPE_OSREL, NULL, &len);
2300 if (len < sizeof(*osrelp)) {
2310 procstat_getosrel(struct procstat *procstat, struct kinfo_proc *kp, int *osrelp)
2312 switch(procstat->type) {
2314 return (procstat_getosrel_kvm(procstat->kd, kp, osrelp));
2315 case PROCSTAT_SYSCTL:
2316 return (procstat_getosrel_sysctl(kp->ki_pid, osrelp));
2318 return (procstat_getosrel_core(procstat->core, osrelp));
2320 warnx("unknown access method: %d", procstat->type);
2325 #define PROC_AUXV_MAX 256
2327 #if __ELF_WORD_SIZE == 64
2328 static const char *elf32_sv_names[] = {
2334 is_elf32_sysctl(pid_t pid)
2338 static char sv_name[256];
2341 name[1] = KERN_PROC;
2342 name[2] = KERN_PROC_SV_NAME;
2344 len = sizeof(sv_name);
2345 error = sysctl(name, nitems(name), sv_name, &len, NULL, 0);
2346 if (error != 0 || len == 0)
2348 for (i = 0; i < sizeof(elf32_sv_names) / sizeof(*elf32_sv_names); i++) {
2349 if (strncmp(sv_name, elf32_sv_names[i], sizeof(sv_name)) == 0)
2355 static Elf_Auxinfo *
2356 procstat_getauxv32_sysctl(pid_t pid, unsigned int *cntp)
2359 Elf32_Auxinfo *auxv32;
2362 unsigned int i, count;
2366 name[1] = KERN_PROC;
2367 name[2] = KERN_PROC_AUXV;
2369 len = PROC_AUXV_MAX * sizeof(Elf32_Auxinfo);
2371 auxv32 = malloc(len);
2372 if (auxv32 == NULL) {
2373 warn("malloc(%zu)", len);
2376 if (sysctl(name, nitems(name), auxv32, &len, NULL, 0) == -1) {
2377 if (errno != ESRCH && errno != EPERM)
2378 warn("sysctl: kern.proc.auxv: %d: %d", pid, errno);
2381 count = len / sizeof(Elf_Auxinfo);
2382 auxv = malloc(count * sizeof(Elf_Auxinfo));
2384 warn("malloc(%zu)", count * sizeof(Elf_Auxinfo));
2387 for (i = 0; i < count; i++) {
2389 * XXX: We expect that values for a_type on a 32-bit platform
2390 * are directly mapped to values on 64-bit one, which is not
2393 auxv[i].a_type = auxv32[i].a_type;
2394 ptr = &auxv32[i].a_un;
2395 auxv[i].a_un.a_val = *((uint32_t *)ptr);
2402 #endif /* __ELF_WORD_SIZE == 64 */
2404 static Elf_Auxinfo *
2405 procstat_getauxv_sysctl(pid_t pid, unsigned int *cntp)
2411 #if __ELF_WORD_SIZE == 64
2412 if (is_elf32_sysctl(pid))
2413 return (procstat_getauxv32_sysctl(pid, cntp));
2416 name[1] = KERN_PROC;
2417 name[2] = KERN_PROC_AUXV;
2419 len = PROC_AUXV_MAX * sizeof(Elf_Auxinfo);
2422 warn("malloc(%zu)", len);
2425 if (sysctl(name, nitems(name), auxv, &len, NULL, 0) == -1) {
2426 if (errno != ESRCH && errno != EPERM)
2427 warn("sysctl: kern.proc.auxv: %d: %d", pid, errno);
2431 *cntp = len / sizeof(Elf_Auxinfo);
2435 static Elf_Auxinfo *
2436 procstat_getauxv_core(struct procstat_core *core, unsigned int *cntp)
2441 auxv = procstat_core_get(core, PSC_TYPE_AUXV, NULL, &len);
2444 *cntp = len / sizeof(Elf_Auxinfo);
2449 procstat_getauxv(struct procstat *procstat, struct kinfo_proc *kp,
2452 switch(procstat->type) {
2454 warnx("kvm method is not supported");
2456 case PROCSTAT_SYSCTL:
2457 return (procstat_getauxv_sysctl(kp->ki_pid, cntp));
2459 return (procstat_getauxv_core(procstat->core, cntp));
2461 warnx("unknown access method: %d", procstat->type);
2467 procstat_freeauxv(struct procstat *procstat __unused, Elf_Auxinfo *auxv)
2473 static struct kinfo_kstack *
2474 procstat_getkstack_sysctl(pid_t pid, int *cntp)
2476 struct kinfo_kstack *kkstp;
2481 name[1] = KERN_PROC;
2482 name[2] = KERN_PROC_KSTACK;
2486 error = sysctl(name, nitems(name), NULL, &len, NULL, 0);
2487 if (error < 0 && errno != ESRCH && errno != EPERM && errno != ENOENT) {
2488 warn("sysctl: kern.proc.kstack: %d", pid);
2491 if (error == -1 && errno == ENOENT) {
2492 warnx("sysctl: kern.proc.kstack unavailable"
2493 " (options DDB or options STACK required in kernel)");
2498 kkstp = malloc(len);
2499 if (kkstp == NULL) {
2500 warn("malloc(%zu)", len);
2503 if (sysctl(name, nitems(name), kkstp, &len, NULL, 0) == -1) {
2504 warn("sysctl: kern.proc.pid: %d", pid);
2508 *cntp = len / sizeof(*kkstp);
2513 struct kinfo_kstack *
2514 procstat_getkstack(struct procstat *procstat, struct kinfo_proc *kp,
2517 switch(procstat->type) {
2519 warnx("kvm method is not supported");
2521 case PROCSTAT_SYSCTL:
2522 return (procstat_getkstack_sysctl(kp->ki_pid, cntp));
2524 warnx("core method is not supported");
2527 warnx("unknown access method: %d", procstat->type);
2533 procstat_freekstack(struct procstat *procstat __unused,
2534 struct kinfo_kstack *kkstp)