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 * 4. Neither the name of the University nor the names of its contributors
15 * may be used to endorse or promote products derived from this software
16 * without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
34 #include <sys/param.h>
37 #include <sys/socket.h>
38 #include <sys/socketvar.h>
39 #include <sys/sysctl.h>
40 #include <sys/queue.h>
42 #include <netinet/in.h>
47 #include <libprocstat.h>
58 #include "functions.h"
60 static int fsflg, /* show files on same filesystem as file(s) argument */
61 pflg, /* show files open by a particular pid */
62 uflg; /* show files open by a particular (effective) user */
63 static int checkfile; /* restrict to particular files or filesystems */
64 static int nflg; /* (numerical) display f.s. and rdev as dev_t */
65 static int mflg; /* include memory-mapped files */
66 static int vflg; /* be verbose */
76 static char *memf, *nlistf;
78 static int getfname(const char *filename);
79 static void dofiles(struct procstat *procstat, struct kinfo_proc *p);
80 static void print_access_flags(int flags);
81 static void print_file_info(struct procstat *procstat,
82 struct filestat *fst, const char *uname, const char *cmd, int pid);
83 static void print_pipe_info(struct procstat *procstat,
84 struct filestat *fst);
85 static void print_pts_info(struct procstat *procstat,
86 struct filestat *fst);
87 static void print_sem_info(struct procstat *procstat,
88 struct filestat *fst);
89 static void print_shm_info(struct procstat *procstat,
90 struct filestat *fst);
91 static void print_socket_info(struct procstat *procstat,
92 struct filestat *fst);
93 static void print_vnode_info(struct procstat *procstat,
94 struct filestat *fst);
95 static void usage(void) __dead2;
98 do_fstat(int argc, char **argv)
100 struct kinfo_proc *p;
101 struct passwd *passwd;
102 struct procstat *procstat;
107 what = KERN_PROC_PROC;
108 nlistf = memf = NULL;
109 while ((ch = getopt(argc, argv, "fmnp:u:vN:M:")) != -1)
129 if (!isdigit(*optarg)) {
130 warnx("-p requires a process id");
133 what = KERN_PROC_PID;
139 if (!(passwd = getpwnam(optarg)))
140 errx(1, "%s: unknown uid", optarg);
141 what = KERN_PROC_UID;
142 arg = passwd->pw_uid;
152 if (*(argv += optind)) {
153 for (; *argv; ++argv) {
157 if (!checkfile) /* file(s) specified, but none accessible */
161 if (fsflg && !checkfile) {
162 /* -f with no files means use wd */
163 if (getfname(".") == 0)
169 procstat = procstat_open_kvm(nlistf, memf);
171 procstat = procstat_open_sysctl();
172 if (procstat == NULL)
173 errx(1, "procstat_open()");
174 p = procstat_getprocs(procstat, what, arg, &cnt);
176 errx(1, "procstat_getprocs()");
183 "USER CMD PID FD DEV INUM MODE SZ|DV R/W");
186 "USER CMD PID FD MOUNT INUM MODE SZ|DV R/W");
187 if (checkfile && fsflg == 0)
193 * Go through the process list.
195 for (i = 0; i < cnt; i++) {
196 if (p[i].ki_stat == SZOMB)
198 dofiles(procstat, &p[i]);
200 procstat_freeprocs(procstat, p);
201 procstat_close(procstat);
206 dofiles(struct procstat *procstat, struct kinfo_proc *kp)
210 struct filestat *fst;
211 struct filestat_list *head;
214 uname = user_from_uid(kp->ki_uid, 0);
218 head = procstat_getfiles(procstat, kp, mflg);
221 STAILQ_FOREACH(fst, head, next)
222 print_file_info(procstat, fst, uname, cmd, pid);
223 procstat_freefiles(procstat, head);
228 print_file_info(struct procstat *procstat, struct filestat *fst,
229 const char *uname, const char *cmd, int pid)
233 const char *filename;
234 int error, fsmatch = 0;
235 char errbuf[_POSIX2_LINE_MAX];
238 if (checkfile != 0) {
239 if (fst->fs_type != PS_FST_TYPE_VNODE &&
240 fst->fs_type != PS_FST_TYPE_FIFO)
242 error = procstat_get_vnode_info(procstat, fst, &vn, errbuf);
246 for (d = devs; d != NULL; d = d->next)
247 if (d->fsid == vn.vn_fsid) {
249 if (d->ino == vn.vn_fileid) {
254 if (fsmatch == 0 || (filename == NULL && fsflg == 0))
259 * Print entry prefix.
261 printf("%-8.8s %-10s %5d", uname, cmd, pid);
262 if (fst->fs_uflags & PS_FST_UFLAG_TEXT)
264 else if (fst->fs_uflags & PS_FST_UFLAG_CDIR)
266 else if (fst->fs_uflags & PS_FST_UFLAG_RDIR)
268 else if (fst->fs_uflags & PS_FST_UFLAG_TRACE)
270 else if (fst->fs_uflags & PS_FST_UFLAG_MMAP)
272 else if (fst->fs_uflags & PS_FST_UFLAG_JAIL)
274 else if (fst->fs_uflags & PS_FST_UFLAG_CTTY)
277 printf(" %4d", fst->fs_fd);
280 * Print type-specific data.
282 switch (fst->fs_type) {
283 case PS_FST_TYPE_FIFO:
284 case PS_FST_TYPE_VNODE:
285 print_vnode_info(procstat, fst);
287 case PS_FST_TYPE_SOCKET:
288 print_socket_info(procstat, fst);
290 case PS_FST_TYPE_PIPE:
291 print_pipe_info(procstat, fst);
293 case PS_FST_TYPE_PTS:
294 print_pts_info(procstat, fst);
296 case PS_FST_TYPE_SHM:
297 print_shm_info(procstat, fst);
299 case PS_FST_TYPE_SEM:
300 print_sem_info(procstat, fst);
305 "unknown file type %d for file %d of pid %d\n",
306 fst->fs_type, fst->fs_fd, pid);
308 if (filename && !fsflg)
309 printf(" %s", filename);
314 print_socket_info(struct procstat *procstat, struct filestat *fst)
316 static const char *stypename[] = {
325 struct sockstat sock;
327 char errbuf[_POSIX2_LINE_MAX];
331 error = procstat_get_socket_info(procstat, fst, &sock, errbuf);
336 if (sock.type > STYPEMAX)
337 printf("* %s ?%d", sock.dname, sock.type);
339 printf("* %s %s", sock.dname, stypename[sock.type]);
342 * protocol specific formatting
344 * Try to find interesting things to print. For tcp, the interesting
345 * thing is the address of the tcpcb, for udp and others, just the
346 * inpcb (socket pcb). For unix domain, its the address of the socket
347 * pcb and the address of the connected pcb (if connected). Otherwise
348 * just print the protocol number and address of the socket itself.
349 * The idea is not to duplicate netstat, but to make available enough
350 * information for further analysis.
352 switch (sock.dom_family) {
356 setprotoent(++isopen);
357 if ((pe = getprotobynumber(sock.proto)) != NULL)
358 printf(" %s", pe->p_name);
360 printf(" %d", sock.proto);
361 if (sock.proto == IPPROTO_TCP ) {
362 if (sock.inp_ppcb != 0)
363 printf(" %lx", (u_long)sock.inp_ppcb);
365 else if (sock.so_pcb != 0)
366 printf(" %lx", (u_long)sock.so_pcb);
369 /* print address of pcb and connected pcb */
370 if (sock.so_pcb != 0) {
371 printf(" %lx", (u_long)sock.so_pcb);
373 char shoconn[4], *cp;
376 if (!(sock.so_rcv_sb_state & SBS_CANTRCVMORE))
379 if (!(sock.so_snd_sb_state & SBS_CANTSENDMORE))
382 printf(" %s %lx", shoconn,
383 (u_long)sock.unp_conn);
388 /* print protocol number and socket address */
389 printf(" %d %lx", sock.proto, (u_long)sock.so_addr);
394 print_pipe_info(struct procstat *procstat, struct filestat *fst)
397 char errbuf[_POSIX2_LINE_MAX];
400 error = procstat_get_pipe_info(procstat, fst, &ps, errbuf);
405 printf("* pipe %8lx <-> %8lx", (u_long)ps.addr, (u_long)ps.peer);
406 printf(" %6zd", ps.buffer_cnt);
407 print_access_flags(fst->fs_fflags);
411 print_pts_info(struct procstat *procstat, struct filestat *fst)
414 char errbuf[_POSIX2_LINE_MAX];
417 error = procstat_get_pts_info(procstat, fst, &pts, errbuf);
422 printf("* pseudo-terminal master ");
423 if (nflg || !*pts.devname) {
424 printf("%#10jx", (uintmax_t)pts.dev);
426 printf("%10s", pts.devname);
428 print_access_flags(fst->fs_fflags);
432 print_sem_info(struct procstat *procstat, struct filestat *fst)
435 char errbuf[_POSIX2_LINE_MAX];
439 error = procstat_get_sem_info(procstat, fst, &sem, errbuf);
446 (void)snprintf(mode, sizeof(mode), "%o", sem.mode);
448 printf(" %-15s", fst->fs_path != NULL ? fst->fs_path : "-");
449 strmode(sem.mode, mode);
451 printf(" %10s %6u", mode, sem.value);
452 print_access_flags(fst->fs_fflags);
456 print_shm_info(struct procstat *procstat, struct filestat *fst)
459 char errbuf[_POSIX2_LINE_MAX];
463 error = procstat_get_shm_info(procstat, fst, &shm, errbuf);
470 (void)snprintf(mode, sizeof(mode), "%o", shm.mode);
472 printf(" %-15s", fst->fs_path != NULL ? fst->fs_path : "-");
473 strmode(shm.mode, mode);
475 printf(" %10s %6ju", mode, shm.size);
476 print_access_flags(fst->fs_fflags);
480 print_vnode_info(struct procstat *procstat, struct filestat *fst)
483 char errbuf[_POSIX2_LINE_MAX];
489 error = procstat_get_vnode_info(procstat, fst, &vn, errbuf);
492 else if (vn.vn_type == PS_FST_VTYPE_VBAD)
494 else if (vn.vn_type == PS_FST_VTYPE_VNON)
496 if (badtype != NULL) {
497 printf(" - - %10s -", badtype);
502 printf(" %#5jx", (uintmax_t)vn.vn_fsid);
503 else if (vn.vn_mntdir != NULL)
504 (void)printf(" %-8s", vn.vn_mntdir);
510 (void)snprintf(mode, sizeof(mode), "%o", vn.vn_mode);
512 strmode(vn.vn_mode, mode);
514 (void)printf(" %6jd %10s", (intmax_t)vn.vn_fileid, mode);
516 if (vn.vn_type == PS_FST_VTYPE_VBLK || vn.vn_type == PS_FST_VTYPE_VCHR) {
517 if (nflg || !*vn.vn_devname)
518 printf(" %#6jx", (uintmax_t)vn.vn_dev);
520 printf(" %6s", vn.vn_devname);
523 printf(" %6ju", (uintmax_t)vn.vn_size);
524 print_access_flags(fst->fs_fflags);
528 print_access_flags(int flags)
533 if (flags & PS_FST_FFLAG_READ)
535 if (flags & PS_FST_FFLAG_WRITE)
541 getfname(const char *filename)
546 if (stat(filename, &statbuf)) {
547 warn("%s", filename);
550 if ((cur = malloc(sizeof(DEVS))) == NULL)
555 cur->ino = statbuf.st_ino;
556 cur->fsid = statbuf.st_dev;
557 cur->name = filename;
564 (void)fprintf(stderr,
565 "usage: fstat [-fmnv] [-M core] [-N system] [-p pid] [-u user] [file ...]\n");