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);
302 case PS_FST_TYPE_DEV:
307 "unknown file type %d for file %d of pid %d\n",
308 fst->fs_type, fst->fs_fd, pid);
310 if (filename && !fsflg)
311 printf(" %s", filename);
316 print_socket_info(struct procstat *procstat, struct filestat *fst)
318 static const char *stypename[] = {
327 struct sockstat sock;
329 char errbuf[_POSIX2_LINE_MAX];
333 error = procstat_get_socket_info(procstat, fst, &sock, errbuf);
338 if (sock.type > STYPEMAX)
339 printf("* %s ?%d", sock.dname, sock.type);
341 printf("* %s %s", sock.dname, stypename[sock.type]);
344 * protocol specific formatting
346 * Try to find interesting things to print. For tcp, the interesting
347 * thing is the address of the tcpcb, for udp and others, just the
348 * inpcb (socket pcb). For unix domain, its the address of the socket
349 * pcb and the address of the connected pcb (if connected). Otherwise
350 * just print the protocol number and address of the socket itself.
351 * The idea is not to duplicate netstat, but to make available enough
352 * information for further analysis.
354 switch (sock.dom_family) {
358 setprotoent(++isopen);
359 if ((pe = getprotobynumber(sock.proto)) != NULL)
360 printf(" %s", pe->p_name);
362 printf(" %d", sock.proto);
363 if (sock.proto == IPPROTO_TCP ) {
364 if (sock.inp_ppcb != 0)
365 printf(" %lx", (u_long)sock.inp_ppcb);
367 else if (sock.so_pcb != 0)
368 printf(" %lx", (u_long)sock.so_pcb);
371 /* print address of pcb and connected pcb */
372 if (sock.so_pcb != 0) {
373 printf(" %lx", (u_long)sock.so_pcb);
375 char shoconn[4], *cp;
378 if (!(sock.so_rcv_sb_state & SBS_CANTRCVMORE))
381 if (!(sock.so_snd_sb_state & SBS_CANTSENDMORE))
384 printf(" %s %lx", shoconn,
385 (u_long)sock.unp_conn);
390 /* print protocol number and socket address */
391 printf(" %d %lx", sock.proto, (u_long)sock.so_addr);
396 print_pipe_info(struct procstat *procstat, struct filestat *fst)
399 char errbuf[_POSIX2_LINE_MAX];
402 error = procstat_get_pipe_info(procstat, fst, &ps, errbuf);
407 printf("* pipe %8lx <-> %8lx", (u_long)ps.addr, (u_long)ps.peer);
408 printf(" %6zd", ps.buffer_cnt);
409 print_access_flags(fst->fs_fflags);
413 print_pts_info(struct procstat *procstat, struct filestat *fst)
416 char errbuf[_POSIX2_LINE_MAX];
419 error = procstat_get_pts_info(procstat, fst, &pts, errbuf);
424 printf("* pseudo-terminal master ");
425 if (nflg || !*pts.devname) {
426 printf("%#10jx", (uintmax_t)pts.dev);
428 printf("%10s", pts.devname);
430 print_access_flags(fst->fs_fflags);
434 print_sem_info(struct procstat *procstat, struct filestat *fst)
437 char errbuf[_POSIX2_LINE_MAX];
441 error = procstat_get_sem_info(procstat, fst, &sem, errbuf);
448 (void)snprintf(mode, sizeof(mode), "%o", sem.mode);
450 printf(" %-15s", fst->fs_path != NULL ? fst->fs_path : "-");
451 strmode(sem.mode, mode);
453 printf(" %10s %6u", mode, sem.value);
454 print_access_flags(fst->fs_fflags);
458 print_shm_info(struct procstat *procstat, struct filestat *fst)
461 char errbuf[_POSIX2_LINE_MAX];
465 error = procstat_get_shm_info(procstat, fst, &shm, errbuf);
472 (void)snprintf(mode, sizeof(mode), "%o", shm.mode);
474 printf(" %-15s", fst->fs_path != NULL ? fst->fs_path : "-");
475 strmode(shm.mode, mode);
477 printf(" %10s %6ju", mode, shm.size);
478 print_access_flags(fst->fs_fflags);
482 print_vnode_info(struct procstat *procstat, struct filestat *fst)
485 char errbuf[_POSIX2_LINE_MAX];
491 error = procstat_get_vnode_info(procstat, fst, &vn, errbuf);
494 else if (vn.vn_type == PS_FST_VTYPE_VBAD)
496 else if (vn.vn_type == PS_FST_VTYPE_VNON)
498 if (badtype != NULL) {
499 printf(" - - %10s -", badtype);
504 printf(" %#5jx", (uintmax_t)vn.vn_fsid);
505 else if (vn.vn_mntdir != NULL)
506 (void)printf(" %-8s", vn.vn_mntdir);
512 (void)snprintf(mode, sizeof(mode), "%o", vn.vn_mode);
514 strmode(vn.vn_mode, mode);
516 (void)printf(" %6jd %10s", (intmax_t)vn.vn_fileid, mode);
518 if (vn.vn_type == PS_FST_VTYPE_VBLK || vn.vn_type == PS_FST_VTYPE_VCHR) {
519 if (nflg || !*vn.vn_devname)
520 printf(" %#6jx", (uintmax_t)vn.vn_dev);
522 printf(" %6s", vn.vn_devname);
525 printf(" %6ju", (uintmax_t)vn.vn_size);
526 print_access_flags(fst->fs_fflags);
530 print_access_flags(int flags)
535 if (flags & PS_FST_FFLAG_READ)
537 if (flags & PS_FST_FFLAG_WRITE)
543 getfname(const char *filename)
548 if (stat(filename, &statbuf)) {
549 warn("%s", filename);
552 if ((cur = malloc(sizeof(DEVS))) == NULL)
557 cur->ino = statbuf.st_ino;
558 cur->fsid = statbuf.st_dev;
559 cur->name = filename;
566 (void)fprintf(stderr,
567 "usage: fstat [-fmnv] [-M core] [-N system] [-p pid] [-u user] [file ...]\n");