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 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 int checkfile; /* true if restricting to particular files or filesystems */
64 int nflg; /* (numerical) display f.s. and rdev as dev_t */
65 int mflg; /* include memory-mapped files */
66 int vflg; /* be verbose */
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_socket_info(struct procstat *procstat,
88 struct filestat *fst);
89 static void print_vnode_info(struct procstat *procstat,
90 struct filestat *fst);
91 static void usage(void) __dead2;
94 do_fstat(int argc, char **argv)
97 struct passwd *passwd;
98 struct procstat *procstat;
103 what = KERN_PROC_PROC;
104 nlistf = memf = NULL;
105 while ((ch = getopt(argc, argv, "fmnp:u:vN:M:")) != -1)
125 if (!isdigit(*optarg)) {
126 warnx("-p requires a process id");
129 what = KERN_PROC_PID;
135 if (!(passwd = getpwnam(optarg)))
136 errx(1, "%s: unknown uid", optarg);
137 what = KERN_PROC_UID;
138 arg = passwd->pw_uid;
148 if (*(argv += optind)) {
149 for (; *argv; ++argv) {
153 if (!checkfile) /* file(s) specified, but none accessable */
157 if (fsflg && !checkfile) {
158 /* -f with no files means use wd */
159 if (getfname(".") == 0)
165 procstat = procstat_open_kvm(nlistf, memf);
167 procstat = procstat_open_sysctl();
168 if (procstat == NULL)
169 errx(1, "procstat_open()");
170 p = procstat_getprocs(procstat, what, arg, &cnt);
172 errx(1, "procstat_getprocs()");
179 "USER CMD PID FD DEV INUM MODE SZ|DV R/W");
182 "USER CMD PID FD MOUNT INUM MODE SZ|DV R/W");
183 if (checkfile && fsflg == 0)
189 * Go through the process list.
191 for (i = 0; i < cnt; i++) {
192 if (p[i].ki_stat == SZOMB)
194 dofiles(procstat, &p[i]);
196 procstat_freeprocs(procstat, p);
197 procstat_close(procstat);
202 dofiles(struct procstat *procstat, struct kinfo_proc *kp)
206 struct filestat *fst;
207 struct filestat_list *head;
210 uname = user_from_uid(kp->ki_uid, 0);
214 head = procstat_getfiles(procstat, kp, mflg);
217 STAILQ_FOREACH(fst, head, next)
218 print_file_info(procstat, fst, uname, cmd, pid);
219 procstat_freefiles(procstat, head);
224 print_file_info(struct procstat *procstat, struct filestat *fst,
225 const char *uname, const char *cmd, int pid)
229 const char *filename;
230 int error, fsmatch = 0;
231 char errbuf[_POSIX2_LINE_MAX];
234 if (checkfile != 0) {
235 if (fst->fs_type != PS_FST_TYPE_VNODE &&
236 fst->fs_type != PS_FST_TYPE_FIFO)
238 error = procstat_get_vnode_info(procstat, fst, &vn, errbuf);
242 for (d = devs; d != NULL; d = d->next)
243 if (d->fsid == vn.vn_fsid) {
245 if ((unsigned)d->ino == vn.vn_fileid) {
250 if (fsmatch == 0 || (filename == NULL && fsflg == 0))
255 * Print entry prefix.
257 printf("%-8.8s %-10s %5d", uname, cmd, pid);
258 if (fst->fs_uflags & PS_FST_UFLAG_TEXT)
260 else if (fst->fs_uflags & PS_FST_UFLAG_CDIR)
262 else if (fst->fs_uflags & PS_FST_UFLAG_RDIR)
264 else if (fst->fs_uflags & PS_FST_UFLAG_TRACE)
266 else if (fst->fs_uflags & PS_FST_UFLAG_MMAP)
268 else if (fst->fs_uflags & PS_FST_UFLAG_JAIL)
270 else if (fst->fs_uflags & PS_FST_UFLAG_CTTY)
273 printf(" %4d", fst->fs_fd);
276 * Print type-specific data.
278 switch (fst->fs_type) {
279 case PS_FST_TYPE_FIFO:
280 case PS_FST_TYPE_VNODE:
281 print_vnode_info(procstat, fst);
283 case PS_FST_TYPE_SOCKET:
284 print_socket_info(procstat, fst);
286 case PS_FST_TYPE_PIPE:
287 print_pipe_info(procstat, fst);
289 case PS_FST_TYPE_PTS:
290 print_pts_info(procstat, fst);
295 "unknown file type %d for file %d of pid %d\n",
296 fst->fs_type, fst->fs_fd, pid);
298 if (filename && !fsflg)
299 printf(" %s", filename);
304 print_socket_info(struct procstat *procstat, struct filestat *fst)
306 static const char *stypename[] = {
315 struct sockstat sock;
317 char errbuf[_POSIX2_LINE_MAX];
321 error = procstat_get_socket_info(procstat, fst, &sock, errbuf);
326 if (sock.type > STYPEMAX)
327 printf("* %s ?%d", sock.dname, sock.type);
329 printf("* %s %s", sock.dname, stypename[sock.type]);
332 * protocol specific formatting
334 * Try to find interesting things to print. For tcp, the interesting
335 * thing is the address of the tcpcb, for udp and others, just the
336 * inpcb (socket pcb). For unix domain, its the address of the socket
337 * pcb and the address of the connected pcb (if connected). Otherwise
338 * just print the protocol number and address of the socket itself.
339 * The idea is not to duplicate netstat, but to make available enough
340 * information for further analysis.
342 switch (sock.dom_family) {
346 setprotoent(++isopen);
347 if ((pe = getprotobynumber(sock.proto)) != NULL)
348 printf(" %s", pe->p_name);
350 printf(" %d", sock.proto);
351 if (sock.proto == IPPROTO_TCP ) {
352 if (sock.inp_ppcb != 0)
353 printf(" %lx", (u_long)sock.inp_ppcb);
355 else if (sock.so_pcb != 0)
356 printf(" %lx", (u_long)sock.so_pcb);
359 /* print address of pcb and connected pcb */
360 if (sock.so_pcb != 0) {
361 printf(" %lx", (u_long)sock.so_pcb);
363 char shoconn[4], *cp;
366 if (!(sock.so_rcv_sb_state & SBS_CANTRCVMORE))
369 if (!(sock.so_snd_sb_state & SBS_CANTSENDMORE))
372 printf(" %s %lx", shoconn,
373 (u_long)sock.unp_conn);
378 /* print protocol number and socket address */
379 printf(" %d %lx", sock.proto, (u_long)sock.so_addr);
384 print_pipe_info(struct procstat *procstat, struct filestat *fst)
387 char errbuf[_POSIX2_LINE_MAX];
390 error = procstat_get_pipe_info(procstat, fst, &ps, errbuf);
395 printf("* pipe %8lx <-> %8lx", (u_long)ps.addr, (u_long)ps.peer);
396 printf(" %6zd", ps.buffer_cnt);
397 print_access_flags(fst->fs_fflags);
401 print_pts_info(struct procstat *procstat, struct filestat *fst)
404 char errbuf[_POSIX2_LINE_MAX];
407 error = procstat_get_pts_info(procstat, fst, &pts, errbuf);
412 printf("* pseudo-terminal master ");
413 if (nflg || !*pts.devname) {
414 printf("%10d,%-2d", major(pts.dev), minor(pts.dev));
416 printf("%10s", pts.devname);
418 print_access_flags(fst->fs_fflags);
422 print_vnode_info(struct procstat *procstat, struct filestat *fst)
425 char errbuf[_POSIX2_LINE_MAX];
431 error = procstat_get_vnode_info(procstat, fst, &vn, errbuf);
434 else if (vn.vn_type == PS_FST_VTYPE_VBAD)
436 else if (vn.vn_type == PS_FST_VTYPE_VNON)
438 if (badtype != NULL) {
439 printf(" - - %10s -", badtype);
444 printf(" %2d,%-2d", major(vn.vn_fsid), minor(vn.vn_fsid));
445 else if (vn.vn_mntdir != NULL)
446 (void)printf(" %-8s", vn.vn_mntdir);
452 (void)snprintf(mode, sizeof(mode), "%o", vn.vn_mode);
454 strmode(vn.vn_mode, mode);
456 (void)printf(" %6jd %10s", (intmax_t)vn.vn_fileid, mode);
458 if (vn.vn_type == PS_FST_VTYPE_VBLK || vn.vn_type == PS_FST_VTYPE_VCHR) {
459 if (nflg || !*vn.vn_devname)
460 printf(" %2d,%-2d", major(vn.vn_dev), minor(vn.vn_dev));
462 printf(" %6s", vn.vn_devname);
465 printf(" %6ju", (uintmax_t)vn.vn_size);
466 print_access_flags(fst->fs_fflags);
470 print_access_flags(int flags)
475 if (flags & PS_FST_FFLAG_READ)
477 if (flags & PS_FST_FFLAG_WRITE)
483 getfname(const char *filename)
488 if (stat(filename, &statbuf)) {
489 warn("%s", filename);
492 if ((cur = malloc(sizeof(DEVS))) == NULL)
497 cur->ino = statbuf.st_ino;
498 cur->fsid = statbuf.st_dev;
499 cur->name = filename;
506 (void)fprintf(stderr,
507 "usage: fstat [-fmnv] [-M core] [-N system] [-p pid] [-u user] [file ...]\n");