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2d4e31cc WJ |
1 | /*- |
2 | * Copyright (c) 1988 The Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * 3. All advertising materials mentioning features or use of this software | |
14 | * must display the following acknowledgement: | |
15 | * This product includes software developed by the University of | |
16 | * California, Berkeley and its contributors. | |
17 | * 4. Neither the name of the University nor the names of its contributors | |
18 | * may be used to endorse or promote products derived from this software | |
19 | * without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
32 | */ | |
33 | ||
34 | #ifndef lint | |
35 | char copyright[] = | |
36 | "@(#) Copyright (c) 1988 The Regents of the University of California.\n\ | |
37 | All rights reserved.\n"; | |
38 | #endif /* not lint */ | |
39 | ||
40 | #ifndef lint | |
41 | static char sccsid[] = "@(#)fstat.c 5.32 (Berkeley) 6/17/91"; | |
42 | #endif /* not lint */ | |
43 | ||
44 | /* | |
45 | * fstat | |
46 | */ | |
47 | #include <sys/param.h> | |
48 | #include <sys/time.h> | |
49 | #include <sys/proc.h> | |
50 | #include <sys/user.h> | |
51 | #ifdef SPPWAIT | |
52 | #define NEWVM | |
53 | #endif | |
54 | #ifndef NEWVM | |
55 | #include <machine/pte.h> | |
56 | #include <sys/vmmac.h> | |
57 | #endif | |
58 | #include <sys/stat.h> | |
59 | #include <sys/vnode.h> | |
60 | #include <sys/socket.h> | |
61 | #include <sys/socketvar.h> | |
62 | #include <sys/domain.h> | |
63 | #include <sys/protosw.h> | |
64 | #include <sys/unpcb.h> | |
65 | #include <sys/kinfo.h> | |
66 | #include <sys/filedesc.h> | |
67 | #define KERNEL | |
68 | #define NFS | |
69 | #include <sys/file.h> | |
70 | #include <sys/mount.h> | |
71 | #include <ufs/quota.h> | |
72 | #include <ufs/inode.h> | |
73 | #include <nfs/nfsv2.h> | |
74 | #include <nfs/nfs.h> | |
75 | #include <nfs/nfsnode.h> | |
76 | #undef KERNEL | |
77 | ||
78 | #include <net/route.h> | |
79 | #include <netinet/in.h> | |
80 | #include <netinet/in_systm.h> | |
81 | #include <netinet/ip.h> | |
82 | #include <netinet/in_pcb.h> | |
83 | ||
84 | #include <errno.h> | |
85 | #include <nlist.h> | |
86 | #include <kvm.h> | |
87 | #include <pwd.h> | |
88 | #include <stdio.h> | |
89 | #include <paths.h> | |
90 | #include <ctype.h> | |
91 | #include <stdlib.h> | |
92 | #include <string.h> | |
93 | ||
94 | #define TEXT -1 | |
95 | #define CDIR -2 | |
96 | #define RDIR -3 | |
97 | #define TRACE -4 | |
98 | ||
99 | typedef struct devs { | |
100 | struct devs *next; | |
101 | long fsid; | |
102 | ino_t ino; | |
103 | char *name; | |
104 | } DEVS; | |
105 | DEVS *devs; | |
106 | ||
107 | struct filestat { | |
108 | long fsid; | |
109 | long fileid; | |
110 | mode_t mode; | |
111 | u_long size; | |
112 | dev_t rdev; | |
113 | }; | |
114 | ||
115 | #ifdef notdef | |
116 | struct nlist nl[] = { | |
117 | { "" }, | |
118 | }; | |
119 | #endif | |
120 | ||
121 | int fsflg, /* show files on same filesystem as file(s) argument */ | |
122 | pflg, /* show files open by a particular pid */ | |
123 | uflg; /* show files open by a particular (effective) user */ | |
124 | int checkfile; /* true if restricting to particular files or filesystems */ | |
125 | int nflg; /* (numerical) display f.s. and rdev as dev_t */ | |
126 | int vflg; /* display errors in locating kernel data objects etc... */ | |
127 | ||
128 | #define dprintf if (vflg) fprintf | |
129 | ||
130 | struct file **ofiles; /* buffer of pointers to file structures */ | |
131 | int maxfiles; | |
132 | #define ALLOC_OFILES(d) \ | |
133 | if ((d) > maxfiles) { \ | |
134 | free(ofiles); \ | |
135 | ofiles = malloc((d) * sizeof(struct file *)); \ | |
136 | if (ofiles == NULL) { \ | |
137 | fprintf(stderr, "fstat: %s\n", strerror(errno)); \ | |
138 | exit(1); \ | |
139 | } \ | |
140 | maxfiles = (d); \ | |
141 | } | |
142 | ||
143 | /* | |
144 | * a kvm_read that returns true if everything is read | |
145 | */ | |
146 | #define KVM_READ(kaddr, paddr, len) (kvm_read((kaddr), (paddr), (len)) == (len)) | |
147 | ||
148 | void dofiles(), getinetproto(), socktrans(), nfs_filestat(), ufs_filestat(); | |
149 | void usage(), vtrans(); | |
150 | ||
151 | main(argc, argv) | |
152 | int argc; | |
153 | char **argv; | |
154 | { | |
155 | extern char *optarg; | |
156 | extern int optind; | |
157 | register struct passwd *passwd; | |
158 | struct proc *p; | |
159 | int arg, ch, what; | |
160 | char *namelist = NULL, *memfile = NULL; | |
161 | ||
162 | arg = 0; | |
163 | what = KINFO_PROC_ALL; | |
164 | while ((ch = getopt(argc, argv, "fnp:u:vNM")) != EOF) | |
165 | switch((char)ch) { | |
166 | case 'f': | |
167 | fsflg = 1; | |
168 | break; | |
169 | case 'n': | |
170 | nflg = 1; | |
171 | break; | |
172 | case 'p': | |
173 | if (pflg++) | |
174 | usage(); | |
175 | if (!isdigit(*optarg)) { | |
176 | fprintf(stderr, | |
177 | "fstat: -p requires a process id\n"); | |
178 | usage(); | |
179 | } | |
180 | what = KINFO_PROC_PID; | |
181 | arg = atoi(optarg); | |
182 | break; | |
183 | case 'u': | |
184 | if (uflg++) | |
185 | usage(); | |
186 | if (!(passwd = getpwnam(optarg))) { | |
187 | fprintf(stderr, "%s: unknown uid\n", | |
188 | optarg); | |
189 | exit(1); | |
190 | } | |
191 | what = KINFO_PROC_UID; | |
192 | arg = passwd->pw_uid; | |
193 | break; | |
194 | case 'v': | |
195 | vflg = 1; | |
196 | break; | |
197 | case 'N': | |
198 | namelist = optarg; | |
199 | break; | |
200 | case 'M': | |
201 | memfile = optarg; | |
202 | break; | |
203 | case '?': | |
204 | default: | |
205 | usage(); | |
206 | } | |
207 | ||
208 | if (*(argv += optind)) { | |
209 | for (; *argv; ++argv) { | |
210 | if (getfname(*argv)) | |
211 | checkfile = 1; | |
212 | } | |
213 | if (!checkfile) /* file(s) specified, but none accessable */ | |
214 | exit(1); | |
215 | } | |
216 | ||
217 | ALLOC_OFILES(256); /* reserve space for file pointers */ | |
218 | ||
219 | if (fsflg && !checkfile) { | |
220 | /* -f with no files means use wd */ | |
221 | if (getfname(".") == 0) | |
222 | exit(1); | |
223 | checkfile = 1; | |
224 | } | |
225 | ||
226 | if (kvm_openfiles(namelist, memfile, NULL) == -1) { | |
227 | fprintf(stderr, "fstat: %s\n", kvm_geterr()); | |
228 | exit(1); | |
229 | } | |
230 | #ifdef notdef | |
231 | if (kvm_nlist(nl) != 0) { | |
232 | fprintf(stderr, "fstat: no namelist: %s\n", kvm_geterr()); | |
233 | exit(1); | |
234 | } | |
235 | #endif | |
236 | if (kvm_getprocs(what, arg) == -1) { | |
237 | fprintf(stderr, "fstat: %s\n", kvm_geterr()); | |
238 | exit(1); | |
239 | } | |
240 | if (nflg) | |
241 | printf("%s", | |
242 | "USER CMD PID FD DEV INUM MODE SZ|DV"); | |
243 | else | |
244 | printf("%s", | |
245 | "USER CMD PID FD MOUNT INUM MODE SZ|DV"); | |
246 | if (checkfile && fsflg == 0) | |
247 | printf(" NAME\n"); | |
248 | else | |
249 | putchar('\n'); | |
250 | ||
251 | while ((p = kvm_nextproc()) != NULL) { | |
252 | if (p->p_stat == SZOMB) | |
253 | continue; | |
254 | dofiles(p); | |
255 | } | |
256 | exit(0); | |
257 | } | |
258 | ||
259 | char *Uname, *Comm; | |
260 | int Pid; | |
261 | ||
262 | #define PREFIX(i) printf("%-8.8s %-10s %5d", Uname, Comm, Pid); \ | |
263 | switch(i) { \ | |
264 | case TEXT: \ | |
265 | printf(" text"); \ | |
266 | break; \ | |
267 | case CDIR: \ | |
268 | printf(" wd"); \ | |
269 | break; \ | |
270 | case RDIR: \ | |
271 | printf(" root"); \ | |
272 | break; \ | |
273 | case TRACE: \ | |
274 | printf(" tr"); \ | |
275 | break; \ | |
276 | default: \ | |
277 | printf(" %4d", i); \ | |
278 | break; \ | |
279 | } | |
280 | ||
281 | /* | |
282 | * print open files attributed to this process | |
283 | */ | |
284 | void | |
285 | dofiles(p) | |
286 | struct proc *p; | |
287 | { | |
288 | int i, last; | |
289 | struct file file; | |
290 | #ifdef NEWVM | |
291 | struct filedesc0 filed0; | |
292 | #define filed filed0.fd_fd | |
293 | struct eproc *ep; | |
294 | #else | |
295 | struct filedesc filed; | |
296 | #endif | |
297 | ||
298 | extern char *user_from_uid(); | |
299 | #ifndef NEWVM | |
300 | struct vnode *xvptr; | |
301 | #endif | |
302 | ||
303 | #ifdef NEWVM | |
304 | ep = kvm_geteproc(p); | |
305 | Uname = user_from_uid(ep->e_ucred.cr_uid, 0); | |
306 | #else | |
307 | Uname = user_from_uid(p->p_uid, 0); | |
308 | #endif | |
309 | Pid = p->p_pid; | |
310 | Comm = p->p_comm; | |
311 | ||
312 | if (p->p_fd == NULL) | |
313 | return; | |
314 | #ifdef NEWVM | |
315 | if (!KVM_READ(p->p_fd, &filed0, sizeof (filed0))) { | |
316 | dprintf(stderr, "can't read filedesc at %x for pid %d\n", | |
317 | p->p_fd, Pid); | |
318 | return; | |
319 | } | |
320 | #else | |
321 | if (!KVM_READ(p->p_fd, &filed, sizeof (filed))) { | |
322 | dprintf(stderr, "can't read filedesc at %x for pid %d\n", | |
323 | p->p_fd, Pid); | |
324 | return; | |
325 | } | |
326 | #endif | |
327 | /* | |
328 | * root directory vnode, if one | |
329 | */ | |
330 | if (filed.fd_rdir) | |
331 | vtrans(filed.fd_rdir, RDIR); | |
332 | #ifndef NEWVM | |
333 | /* | |
334 | * text vnode | |
335 | */ | |
336 | if (p->p_textp && | |
337 | KVM_READ(&(p->p_textp->x_vptr), &xvptr, sizeof (struct vnode *)) && | |
338 | xvptr != NULL) | |
339 | vtrans(xvptr, TEXT); | |
340 | #endif | |
341 | /* | |
342 | * current working directory vnode | |
343 | */ | |
344 | vtrans(filed.fd_cdir, CDIR); | |
345 | /* | |
346 | * ktrace vnode, if one | |
347 | */ | |
348 | if (p->p_tracep) | |
349 | vtrans(p->p_tracep, TRACE); | |
350 | /* | |
351 | * open files | |
352 | */ | |
353 | #define FPSIZE (sizeof (struct file *)) | |
354 | ALLOC_OFILES(filed.fd_lastfile); | |
355 | #ifdef NEWVM | |
356 | if (filed.fd_nfiles > NDFILE) { | |
357 | if (!KVM_READ(filed.fd_ofiles, ofiles, | |
358 | filed.fd_lastfile * FPSIZE)) { | |
359 | dprintf(stderr, | |
360 | "can't read file structures at %x for pid %d\n", | |
361 | filed.fd_ofiles, Pid); | |
362 | return; | |
363 | } | |
364 | } else | |
365 | bcopy(filed0.fd_dfiles, ofiles, filed.fd_lastfile * FPSIZE); | |
366 | #else | |
367 | bcopy(filed.fd_ofile, ofiles, MIN(filed.fd_lastfile, NDFILE) * FPSIZE); | |
368 | last = filed.fd_lastfile; | |
369 | if ((last > NDFILE) && !KVM_READ(filed.fd_moreofiles, &ofiles[NDFILE], | |
370 | (last - NDFILE) * FPSIZE)) { | |
371 | dprintf(stderr, "can't read rest of files at %x for pid %d\n", | |
372 | filed.fd_moreofiles, Pid); | |
373 | return; | |
374 | } | |
375 | #endif | |
376 | for (i = 0; i <= filed.fd_lastfile; i++) { | |
377 | if (ofiles[i] == NULL) | |
378 | continue; | |
379 | if (!KVM_READ(ofiles[i], &file, sizeof (struct file))) { | |
380 | dprintf(stderr, "can't read file %d at %x for pid %d\n", | |
381 | i, ofiles[i], Pid); | |
382 | continue; | |
383 | } | |
384 | if (file.f_type == DTYPE_VNODE) | |
385 | vtrans((struct vnode *)file.f_data, i); | |
386 | else if (file.f_type == DTYPE_SOCKET && checkfile == 0) | |
387 | socktrans((struct socket *)file.f_data, i); | |
388 | else { | |
389 | dprintf(stderr, | |
390 | "unknown file type %d for file %d of pid %d\n", | |
391 | file.f_type, i, Pid); | |
392 | } | |
393 | } | |
394 | } | |
395 | ||
396 | void | |
397 | vtrans(vp, i) | |
398 | struct vnode *vp; | |
399 | int i; | |
400 | { | |
401 | extern char *devname(); | |
402 | struct vnode vn; | |
403 | struct filestat fst; | |
404 | char mode[15]; | |
405 | char *badtype, *filename, *getmnton(); | |
406 | ||
407 | filename = badtype = NULL; | |
408 | if (!KVM_READ(vp, &vn, sizeof (struct vnode))) { | |
409 | dprintf(stderr, "can't read vnode at %x for pid %d\n", | |
410 | vp, Pid); | |
411 | return; | |
412 | } | |
413 | if (vn.v_type == VNON || vn.v_tag == VT_NON) | |
414 | badtype = "none"; | |
415 | else if (vn.v_type == VBAD) | |
416 | badtype = "bad"; | |
417 | else | |
418 | switch (vn.v_tag) { | |
419 | case VT_UFS: | |
420 | ufs_filestat(&vn, &fst); | |
421 | break; | |
422 | case VT_MFS: | |
423 | ufs_filestat(&vn, &fst); | |
424 | break; | |
425 | case VT_NFS: | |
426 | nfs_filestat(&vn, &fst); | |
427 | break; | |
428 | default: { | |
429 | static char unknown[10]; | |
430 | sprintf(badtype = unknown, "?(%x)", vn.v_tag); | |
431 | break;; | |
432 | } | |
433 | } | |
434 | if (checkfile) { | |
435 | int fsmatch = 0; | |
436 | register DEVS *d; | |
437 | ||
438 | if (badtype) | |
439 | return; | |
440 | for (d = devs; d != NULL; d = d->next) | |
441 | if (d->fsid == fst.fsid) { | |
442 | fsmatch = 1; | |
443 | if (d->ino == fst.fileid) { | |
444 | filename = d->name; | |
445 | break; | |
446 | } | |
447 | } | |
448 | if (fsmatch == 0 || (filename == NULL && fsflg == 0)) | |
449 | return; | |
450 | } | |
451 | PREFIX(i); | |
452 | if (badtype) { | |
453 | (void)printf(" - - %10s -\n", badtype); | |
454 | return; | |
455 | } | |
456 | if (nflg) | |
457 | (void)printf(" %2d,%-2d", major(fst.fsid), minor(fst.fsid)); | |
458 | else | |
459 | (void)printf(" %-8s", getmnton(vn.v_mount)); | |
460 | if (nflg) | |
461 | (void)sprintf(mode, "%o", fst.mode); | |
462 | else | |
463 | strmode(fst.mode, mode); | |
464 | (void)printf(" %6d %10s", fst.fileid, mode); | |
465 | switch (vn.v_type) { | |
466 | case VBLK: | |
467 | case VCHR: { | |
468 | char *name; | |
469 | ||
470 | if (nflg || ((name = devname(fst.rdev, vn.v_type == VCHR ? | |
471 | S_IFCHR : S_IFBLK)) == NULL)) | |
472 | printf(" %2d,%-2d", major(fst.rdev), minor(fst.rdev)); | |
473 | else | |
474 | printf(" %6s", name); | |
475 | break; | |
476 | } | |
477 | default: | |
478 | printf(" %6d", fst.size); | |
479 | } | |
480 | if (filename && !fsflg) | |
481 | printf(" %s", filename); | |
482 | ||
483 | putchar('\n'); | |
484 | } | |
485 | ||
486 | void | |
487 | ufs_filestat(vp, fsp) | |
488 | struct vnode *vp; | |
489 | struct filestat *fsp; | |
490 | { | |
491 | struct inode *ip = VTOI(vp); | |
492 | ||
493 | fsp->fsid = ip->i_dev & 0xffff; | |
494 | fsp->fileid = (long)ip->i_number; | |
495 | fsp->mode = (mode_t)ip->i_mode; | |
496 | fsp->size = (u_long)ip->i_size; | |
497 | fsp->rdev = ip->i_rdev; | |
498 | } | |
499 | ||
500 | void | |
501 | nfs_filestat(vp, fsp) | |
502 | struct vnode *vp; | |
503 | struct filestat *fsp; | |
504 | { | |
505 | register struct nfsnode *np = VTONFS(vp); | |
506 | register mode_t mode; | |
507 | ||
508 | fsp->fsid = np->n_vattr.va_fsid; | |
509 | fsp->fileid = np->n_vattr.va_fileid; | |
510 | fsp->size = np->n_size; | |
511 | fsp->rdev = np->n_vattr.va_rdev; | |
512 | mode = (mode_t)np->n_vattr.va_mode; | |
513 | switch (vp->v_type) { | |
514 | case VREG: | |
515 | mode |= S_IFREG; | |
516 | break; | |
517 | case VDIR: | |
518 | mode |= S_IFDIR; | |
519 | break; | |
520 | case VBLK: | |
521 | mode |= S_IFBLK; | |
522 | break; | |
523 | case VCHR: | |
524 | mode |= S_IFCHR; | |
525 | break; | |
526 | case VLNK: | |
527 | mode |= S_IFLNK; | |
528 | break; | |
529 | case VSOCK: | |
530 | mode |= S_IFSOCK; | |
531 | break; | |
532 | case VFIFO: | |
533 | mode |= S_IFIFO; | |
534 | break; | |
535 | }; | |
536 | fsp->mode = mode; | |
537 | } | |
538 | ||
539 | ||
540 | char * | |
541 | getmnton(m) | |
542 | struct mount *m; | |
543 | { | |
544 | static struct mount mount; | |
545 | static struct mtab { | |
546 | struct mtab *next; | |
547 | struct mount *m; | |
548 | char mntonname[MNAMELEN]; | |
549 | } *mhead = NULL; | |
550 | register struct mtab *mt; | |
551 | ||
552 | for (mt = mhead; mt != NULL; mt = mt->next) | |
553 | if (m == mt->m) | |
554 | return (mt->mntonname); | |
555 | if (!KVM_READ(m, &mount, sizeof(struct mount))) { | |
556 | fprintf(stderr, "can't read mount table at %x\n", m); | |
557 | return (NULL); | |
558 | } | |
559 | if ((mt = malloc(sizeof (struct mtab))) == NULL) { | |
560 | fprintf(stderr, "fstat: %s\n", strerror(errno)); | |
561 | exit(1); | |
562 | } | |
563 | mt->m = m; | |
564 | bcopy(&mount.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN); | |
565 | mt->next = mhead; | |
566 | mhead = mt; | |
567 | return (mt->mntonname); | |
568 | } | |
569 | ||
570 | void | |
571 | socktrans(sock, i) | |
572 | struct socket *sock; | |
573 | int i; | |
574 | { | |
575 | static char *stypename[] = { | |
576 | "unused", /* 0 */ | |
577 | "stream", /* 1 */ | |
578 | "dgram", /* 2 */ | |
579 | "raw", /* 3 */ | |
580 | "rdm", /* 4 */ | |
581 | "seqpak" /* 5 */ | |
582 | }; | |
583 | #define STYPEMAX 5 | |
584 | struct socket so; | |
585 | struct protosw proto; | |
586 | struct domain dom; | |
587 | struct inpcb inpcb; | |
588 | struct unpcb unpcb; | |
589 | int len; | |
590 | char dname[32], *strcpy(); | |
591 | ||
592 | PREFIX(i); | |
593 | ||
594 | /* fill in socket */ | |
595 | if (!KVM_READ(sock, &so, sizeof(struct socket))) { | |
596 | dprintf(stderr, "can't read sock at %x\n", sock); | |
597 | goto bad; | |
598 | } | |
599 | ||
600 | /* fill in protosw entry */ | |
601 | if (!KVM_READ(so.so_proto, &proto, sizeof(struct protosw))) { | |
602 | dprintf(stderr, "can't read protosw at %x", so.so_proto); | |
603 | goto bad; | |
604 | } | |
605 | ||
606 | /* fill in domain */ | |
607 | if (!KVM_READ(proto.pr_domain, &dom, sizeof(struct domain))) { | |
608 | dprintf(stderr, "can't read domain at %x\n", proto.pr_domain); | |
609 | goto bad; | |
610 | } | |
611 | ||
612 | if ((len = | |
613 | kvm_read(dom.dom_name, dname, sizeof(dname) - 1)) < 0) { | |
614 | dprintf(stderr, "can't read domain name at %x\n", | |
615 | dom.dom_name); | |
616 | dname[0] = '\0'; | |
617 | } | |
618 | else | |
619 | dname[len] = '\0'; | |
620 | ||
621 | if ((u_short)so.so_type > STYPEMAX) | |
622 | printf("* %s ?%d", dname, so.so_type); | |
623 | else | |
624 | printf("* %s %s", dname, stypename[so.so_type]); | |
625 | ||
626 | /* | |
627 | * protocol specific formatting | |
628 | * | |
629 | * Try to find interesting things to print. For tcp, the interesting | |
630 | * thing is the address of the tcpcb, for udp and others, just the | |
631 | * inpcb (socket pcb). For unix domain, its the address of the socket | |
632 | * pcb and the address of the connected pcb (if connected). Otherwise | |
633 | * just print the protocol number and address of the socket itself. | |
634 | * The idea is not to duplicate netstat, but to make available enough | |
635 | * information for further analysis. | |
636 | */ | |
637 | switch(dom.dom_family) { | |
638 | case AF_INET: | |
639 | getinetproto(proto.pr_protocol); | |
640 | if (proto.pr_protocol == IPPROTO_TCP ) { | |
641 | if (so.so_pcb) { | |
642 | if (kvm_read(so.so_pcb, &inpcb, | |
643 | sizeof(struct inpcb)) | |
644 | != sizeof(struct inpcb)) { | |
645 | dprintf(stderr, | |
646 | "can't read inpcb at %x\n", | |
647 | so.so_pcb); | |
648 | goto bad; | |
649 | } | |
650 | printf(" %x", (int)inpcb.inp_ppcb); | |
651 | } | |
652 | } | |
653 | else if (so.so_pcb) | |
654 | printf(" %x", (int)so.so_pcb); | |
655 | break; | |
656 | case AF_UNIX: | |
657 | /* print address of pcb and connected pcb */ | |
658 | if (so.so_pcb) { | |
659 | printf(" %x", (int)so.so_pcb); | |
660 | if (kvm_read(so.so_pcb, &unpcb, | |
661 | sizeof(struct unpcb)) != sizeof(struct unpcb)){ | |
662 | dprintf(stderr, "can't read unpcb at %x\n", | |
663 | so.so_pcb); | |
664 | goto bad; | |
665 | } | |
666 | if (unpcb.unp_conn) { | |
667 | char shoconn[4], *cp; | |
668 | ||
669 | cp = shoconn; | |
670 | if (!(so.so_state & SS_CANTRCVMORE)) | |
671 | *cp++ = '<'; | |
672 | *cp++ = '-'; | |
673 | if (!(so.so_state & SS_CANTSENDMORE)) | |
674 | *cp++ = '>'; | |
675 | *cp = '\0'; | |
676 | printf(" %s %x", shoconn, | |
677 | (int)unpcb.unp_conn); | |
678 | } | |
679 | } | |
680 | break; | |
681 | default: | |
682 | /* print protocol number and socket address */ | |
683 | printf(" %d %x", proto.pr_protocol, (int)sock); | |
684 | } | |
685 | printf("\n"); | |
686 | return; | |
687 | bad: | |
688 | printf("* error\n"); | |
689 | } | |
690 | ||
691 | /* | |
692 | * getinetproto -- | |
693 | * print name of protocol number | |
694 | */ | |
695 | void | |
696 | getinetproto(number) | |
697 | int number; | |
698 | { | |
699 | char *cp; | |
700 | ||
701 | switch(number) { | |
702 | case IPPROTO_IP: | |
703 | cp = "ip"; break; | |
704 | case IPPROTO_ICMP: | |
705 | cp ="icmp"; break; | |
706 | case IPPROTO_GGP: | |
707 | cp ="ggp"; break; | |
708 | case IPPROTO_TCP: | |
709 | cp ="tcp"; break; | |
710 | case IPPROTO_EGP: | |
711 | cp ="egp"; break; | |
712 | case IPPROTO_PUP: | |
713 | cp ="pup"; break; | |
714 | case IPPROTO_UDP: | |
715 | cp ="udp"; break; | |
716 | case IPPROTO_IDP: | |
717 | cp ="idp"; break; | |
718 | case IPPROTO_RAW: | |
719 | cp ="raw"; break; | |
720 | default: | |
721 | printf(" %d", number); | |
722 | return; | |
723 | } | |
724 | printf(" %s", cp); | |
725 | } | |
726 | ||
727 | getfname(filename) | |
728 | char *filename; | |
729 | { | |
730 | struct stat statbuf; | |
731 | DEVS *cur; | |
732 | ||
733 | if (stat(filename, &statbuf)) { | |
734 | fprintf(stderr, "fstat: %s: %s\n", strerror(errno), | |
735 | filename); | |
736 | return(0); | |
737 | } | |
738 | if ((cur = malloc(sizeof(DEVS))) == NULL) { | |
739 | fprintf(stderr, "fstat: %s\n", strerror(errno)); | |
740 | exit(1); | |
741 | } | |
742 | cur->next = devs; | |
743 | devs = cur; | |
744 | ||
745 | cur->ino = statbuf.st_ino; | |
746 | cur->fsid = statbuf.st_dev & 0xffff; | |
747 | cur->name = filename; | |
748 | return(1); | |
749 | } | |
750 | ||
751 | void | |
752 | usage() | |
753 | { | |
754 | (void)fprintf(stderr, | |
755 | "usage: fstat [-fnv] [-p pid] [-u user] [-N system] [-M core] [file ...]\n"); | |
756 | exit(1); | |
757 | } |