Annotation of src/usr.bin/fstat/fstat.c, Revision 1.23
1.23 ! deraadt 1: /* $OpenBSD: fstat.c,v 1.22 1999/04/30 02:26:59 art Exp $ */
1.2 niklas 2:
1.1 deraadt 3: /*-
4: * Copyright (c) 1988, 1993
5: * The Regents of the University of California. All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: * 3. All advertising materials mentioning features or use of this software
16: * must display the following acknowledgement:
17: * This product includes software developed by the University of
18: * California, Berkeley and its contributors.
19: * 4. Neither the name of the University nor the names of its contributors
20: * may be used to endorse or promote products derived from this software
21: * without specific prior written permission.
22: *
23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33: * SUCH DAMAGE.
34: */
35:
36: #ifndef lint
37: static char copyright[] =
38: "@(#) Copyright (c) 1988, 1993\n\
39: The Regents of the University of California. All rights reserved.\n";
40: #endif /* not lint */
41:
42: #ifndef lint
43: /*static char sccsid[] = "from: @(#)fstat.c 8.1 (Berkeley) 6/6/93";*/
1.23 ! deraadt 44: static char *rcsid = "$OpenBSD: fstat.c,v 1.22 1999/04/30 02:26:59 art Exp $";
1.1 deraadt 45: #endif /* not lint */
46:
47: #include <sys/param.h>
48: #include <sys/time.h>
49: #include <sys/proc.h>
50: #include <sys/user.h>
51: #include <sys/stat.h>
52: #include <sys/vnode.h>
53: #include <sys/socket.h>
54: #include <sys/socketvar.h>
55: #include <sys/domain.h>
56: #include <sys/protosw.h>
57: #include <sys/unpcb.h>
58: #include <sys/sysctl.h>
59: #include <sys/filedesc.h>
1.23 ! deraadt 60: #include <sys/mount.h>
1.1 deraadt 61: #define _KERNEL
62: #include <sys/file.h>
63: #include <ufs/ufs/quota.h>
64: #include <ufs/ufs/inode.h>
1.23 ! deraadt 65: #include <miscfs/nullfs/null.h>
1.1 deraadt 66: #undef _KERNEL
67: #define NFS
1.2 niklas 68: #include <nfs/nfsproto.h>
1.1 deraadt 69: #include <nfs/rpcv2.h>
70: #include <nfs/nfs.h>
71: #include <nfs/nfsnode.h>
72: #undef NFS
73:
1.18 art 74: #include <xfs/xfs_node.h>
75:
1.1 deraadt 76: #include <net/route.h>
77: #include <netinet/in.h>
78: #include <netinet/in_systm.h>
79: #include <netinet/ip.h>
80: #include <netinet/in_pcb.h>
81:
1.5 deraadt 82: #include <arpa/inet.h>
83:
1.22 art 84: #define PIPE_NODIRECT /* XXX - define here, since it's not defined
85: outside _KERNEL */
86: #include <sys/pipe.h>
87:
1.1 deraadt 88: #include <ctype.h>
89: #include <errno.h>
90: #include <kvm.h>
1.2 niklas 91: #include <limits.h>
1.1 deraadt 92: #include <nlist.h>
93: #include <paths.h>
94: #include <pwd.h>
95: #include <stdio.h>
96: #include <stdlib.h>
97: #include <string.h>
1.11 millert 98: #include <unistd.h>
1.17 mickey 99: #include <err.h>
1.14 deraadt 100: #include "fstat.h"
1.1 deraadt 101:
102: #define TEXT -1
103: #define CDIR -2
104: #define RDIR -3
105: #define TRACE -4
106:
107: typedef struct devs {
108: struct devs *next;
109: long fsid;
110: ino_t ino;
111: char *name;
112: } DEVS;
113: DEVS *devs;
114:
115: int fsflg, /* show files on same filesystem as file(s) argument */
116: pflg, /* show files open by a particular pid */
117: uflg; /* show files open by a particular (effective) user */
118: int checkfile; /* true if restricting to particular files or filesystems */
119: int nflg; /* (numerical) display f.s. and rdev as dev_t */
120: int vflg; /* display errors in locating kernel data objects etc... */
121:
122: struct file **ofiles; /* buffer of pointers to file structures */
123: int maxfiles;
124: #define ALLOC_OFILES(d) \
125: if ((d) > maxfiles) { \
126: free(ofiles); \
127: ofiles = malloc((d) * sizeof(struct file *)); \
1.17 mickey 128: if (ofiles == NULL) \
129: err(1, "malloc"); \
1.1 deraadt 130: maxfiles = (d); \
131: }
132:
133: /*
134: * a kvm_read that returns true if everything is read
135: */
136: #define KVM_READ(kaddr, paddr, len) \
1.11 millert 137: (kvm_read(kd, (u_long)(kaddr), (void *)(paddr), (len)) == (len))
1.1 deraadt 138:
139: kvm_t *kd;
140:
1.11 millert 141: int ufs_filestat __P((struct vnode *, struct filestat *));
142: int ext2fs_filestat __P((struct vnode *, struct filestat *));
1.14 deraadt 143: int isofs_filestat __P((struct vnode *, struct filestat *));
144: int msdos_filestat __P((struct vnode *, struct filestat *));
1.11 millert 145: int nfs_filestat __P((struct vnode *, struct filestat *));
146: void dofiles __P((struct kinfo_proc *));
147: void getinetproto __P((int));
148: void socktrans __P((struct socket *, int));
149: void usage __P((void));
150: void vtrans __P((struct vnode *, int, int));
151: int getfname __P((char *));
1.22 art 152: void pipetrans __P((struct pipe *, int));
1.1 deraadt 153:
1.11 millert 154: int
1.1 deraadt 155: main(argc, argv)
156: int argc;
157: char **argv;
158: {
159: extern char *optarg;
160: extern int optind;
161: register struct passwd *passwd;
162: struct kinfo_proc *p, *plast;
163: int arg, ch, what;
164: char *memf, *nlistf;
1.2 niklas 165: char buf[_POSIX2_LINE_MAX];
1.1 deraadt 166: int cnt;
167:
168: arg = 0;
169: what = KERN_PROC_ALL;
170: nlistf = memf = NULL;
1.8 millert 171: while ((ch = getopt(argc, argv, "fnp:u:vN:M:")) != -1)
1.1 deraadt 172: switch((char)ch) {
173: case 'f':
174: fsflg = 1;
175: break;
176: case 'M':
177: memf = optarg;
178: break;
179: case 'N':
180: nlistf = optarg;
181: break;
182: case 'n':
183: nflg = 1;
184: break;
185: case 'p':
186: if (pflg++)
187: usage();
188: if (!isdigit(*optarg)) {
1.17 mickey 189: warnx( "-p requires a process id\n");
1.1 deraadt 190: usage();
191: }
192: what = KERN_PROC_PID;
193: arg = atoi(optarg);
194: break;
195: case 'u':
196: if (uflg++)
197: usage();
1.17 mickey 198: if (!(passwd = getpwnam(optarg)))
1.21 deraadt 199: errx(1, "%s: unknown uid", optarg);
1.1 deraadt 200: what = KERN_PROC_UID;
201: arg = passwd->pw_uid;
202: break;
203: case 'v':
204: vflg = 1;
205: break;
206: case '?':
207: default:
208: usage();
209: }
210:
211: if (*(argv += optind)) {
212: for (; *argv; ++argv) {
213: if (getfname(*argv))
214: checkfile = 1;
215: }
216: if (!checkfile) /* file(s) specified, but none accessable */
217: exit(1);
218: }
219:
220: ALLOC_OFILES(256); /* reserve space for file pointers */
221:
222: if (fsflg && !checkfile) {
223: /* -f with no files means use wd */
224: if (getfname(".") == 0)
225: exit(1);
226: checkfile = 1;
227: }
228:
229: /*
230: * Discard setgid privileges if not the running kernel so that bad
231: * guys can't print interesting stuff from kernel memory.
232: */
1.7 tholo 233: if (nlistf != NULL || memf != NULL) {
234: setegid(getgid());
1.1 deraadt 235: setgid(getgid());
1.7 tholo 236: }
1.1 deraadt 237:
1.17 mickey 238: if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == NULL)
1.21 deraadt 239: errx(1, "%s", buf);
1.16 deraadt 240:
241: setegid(getgid());
242: setgid(getgid());
243:
1.17 mickey 244: if ((p = kvm_getprocs(kd, what, arg, &cnt)) == NULL)
1.21 deraadt 245: errx(1, "%s", kvm_geterr(kd));
1.1 deraadt 246: if (nflg)
247: printf("%s",
248: "USER CMD PID FD DEV INUM MODE SZ|DV R/W");
249: else
250: printf("%s",
251: "USER CMD PID FD MOUNT INUM MODE SZ|DV R/W");
252: if (checkfile && fsflg == 0)
253: printf(" NAME\n");
254: else
255: putchar('\n');
256:
257: for (plast = &p[cnt]; p < plast; ++p) {
258: if (p->kp_proc.p_stat == SZOMB)
259: continue;
260: dofiles(p);
261: }
262: exit(0);
263: }
264:
265: char *Uname, *Comm;
1.14 deraadt 266: pid_t Pid;
1.1 deraadt 267:
268: #define PREFIX(i) printf("%-8.8s %-10s %5d", Uname, Comm, Pid); \
269: switch(i) { \
270: case TEXT: \
271: printf(" text"); \
272: break; \
273: case CDIR: \
274: printf(" wd"); \
275: break; \
276: case RDIR: \
277: printf(" root"); \
278: break; \
279: case TRACE: \
280: printf(" tr"); \
281: break; \
282: default: \
283: printf(" %4d", i); \
284: break; \
285: }
286:
287: /*
288: * print open files attributed to this process
289: */
290: void
291: dofiles(kp)
292: struct kinfo_proc *kp;
293: {
1.11 millert 294: int i;
1.1 deraadt 295: struct file file;
296: struct filedesc0 filed0;
297: #define filed filed0.fd_fd
298: struct proc *p = &kp->kp_proc;
299: struct eproc *ep = &kp->kp_eproc;
300:
301: extern char *user_from_uid();
302:
303: Uname = user_from_uid(ep->e_ucred.cr_uid, 0);
304: Pid = p->p_pid;
305: Comm = p->p_comm;
306:
307: if (p->p_fd == NULL)
308: return;
309: if (!KVM_READ(p->p_fd, &filed0, sizeof (filed0))) {
1.17 mickey 310: dprintf("can't read filedesc at %p for pid %d", p->p_fd, Pid);
1.1 deraadt 311: return;
312: }
313: if (filed.fd_nfiles < 0 || filed.fd_lastfile >= filed.fd_nfiles ||
314: filed.fd_freefile > filed.fd_lastfile + 1) {
1.17 mickey 315: dprintf("filedesc corrupted at %p for pid %d", p->p_fd, Pid);
1.1 deraadt 316: return;
317: }
318: /*
319: * root directory vnode, if one
320: */
321: if (filed.fd_rdir)
322: vtrans(filed.fd_rdir, RDIR, FREAD);
323: /*
324: * current working directory vnode
325: */
326: vtrans(filed.fd_cdir, CDIR, FREAD);
327: /*
328: * ktrace vnode, if one
329: */
330: if (p->p_tracep)
331: vtrans(p->p_tracep, TRACE, FREAD|FWRITE);
332: /*
333: * open files
334: */
335: #define FPSIZE (sizeof (struct file *))
336: ALLOC_OFILES(filed.fd_lastfile+1);
337: if (filed.fd_nfiles > NDFILE) {
338: if (!KVM_READ(filed.fd_ofiles, ofiles,
339: (filed.fd_lastfile+1) * FPSIZE)) {
1.17 mickey 340: dprintf("can't read file structures at %p for pid %d",
1.1 deraadt 341: filed.fd_ofiles, Pid);
342: return;
343: }
344: } else
345: bcopy(filed0.fd_dfiles, ofiles, (filed.fd_lastfile+1) * FPSIZE);
346: for (i = 0; i <= filed.fd_lastfile; i++) {
347: if (ofiles[i] == NULL)
348: continue;
349: if (!KVM_READ(ofiles[i], &file, sizeof (struct file))) {
1.17 mickey 350: dprintf("can't read file %d at %p for pid %d",
1.1 deraadt 351: i, ofiles[i], Pid);
352: continue;
353: }
354: if (file.f_type == DTYPE_VNODE)
355: vtrans((struct vnode *)file.f_data, i, file.f_flag);
356: else if (file.f_type == DTYPE_SOCKET) {
357: if (checkfile == 0)
358: socktrans((struct socket *)file.f_data, i);
1.22 art 359: } else if (file.f_type == DTYPE_PIPE) {
360: if (checkfile == 0)
361: pipetrans((struct pipe *)file.f_data, i);
362: } else {
1.17 mickey 363: dprintf("unknown file type %d for file %d of pid %d",
1.1 deraadt 364: file.f_type, i, Pid);
365: }
366: }
367: }
368:
369: void
370: vtrans(vp, i, flag)
371: struct vnode *vp;
372: int i;
373: int flag;
374: {
375: struct vnode vn;
376: struct filestat fst;
1.12 deraadt 377: char rw[3], mode[17];
1.1 deraadt 378: char *badtype = NULL, *filename, *getmnton();
379:
380: filename = badtype = NULL;
381: if (!KVM_READ(vp, &vn, sizeof (struct vnode))) {
1.17 mickey 382: dprintf("can't read vnode at %p for pid %d", vp, Pid);
1.1 deraadt 383: return;
384: }
385: if (vn.v_type == VNON || vn.v_tag == VT_NON)
386: badtype = "none";
387: else if (vn.v_type == VBAD)
388: badtype = "bad";
389: else
390: switch (vn.v_tag) {
391: case VT_UFS:
392: case VT_MFS:
393: if (!ufs_filestat(&vn, &fst))
394: badtype = "error";
395: break;
396: case VT_NFS:
397: if (!nfs_filestat(&vn, &fst))
398: badtype = "error";
399: break;
1.9 downsj 400: case VT_EXT2FS:
401: if (!ext2fs_filestat(&vn, &fst))
402: badtype = "error";
403: break;
1.14 deraadt 404: case VT_ISOFS:
405: if (!isofs_filestat(&vn, &fst))
406: badtype = "error";
407: break;
408: case VT_MSDOSFS:
409: if (!msdos_filestat(&vn, &fst))
410: badtype = "error";
411: break;
1.18 art 412: case VT_XFS:
413: if (!xfs_filestat(&vn, &fst))
414: badtype = "error";
415: break;
1.23 ! deraadt 416: case VT_NULL:
! 417: if (!null_filestat(&vn, &fst))
! 418: badtype = "error";
! 419: break;
1.1 deraadt 420: default: {
1.12 deraadt 421: static char unknown[30];
1.1 deraadt 422: sprintf(badtype = unknown, "?(%x)", vn.v_tag);
1.10 deraadt 423: break;
1.1 deraadt 424: }
425: }
426: if (checkfile) {
427: int fsmatch = 0;
428: register DEVS *d;
429:
430: if (badtype)
431: return;
432: for (d = devs; d != NULL; d = d->next)
433: if (d->fsid == fst.fsid) {
434: fsmatch = 1;
435: if (d->ino == fst.fileid) {
436: filename = d->name;
437: break;
438: }
439: }
440: if (fsmatch == 0 || (filename == NULL && fsflg == 0))
441: return;
442: }
443: PREFIX(i);
444: if (badtype) {
445: (void)printf(" - - %10s -\n", badtype);
446: return;
447: }
448: if (nflg)
449: (void)printf(" %2d,%-2d", major(fst.fsid), minor(fst.fsid));
450: else
451: (void)printf(" %-8s", getmnton(vn.v_mount));
452: if (nflg)
453: (void)sprintf(mode, "%o", fst.mode);
454: else
455: strmode(fst.mode, mode);
1.11 millert 456: (void)printf(" %6ld %10s", fst.fileid, mode);
1.1 deraadt 457: switch (vn.v_type) {
458: case VBLK:
459: case VCHR: {
460: char *name;
461:
462: if (nflg || ((name = devname(fst.rdev, vn.v_type == VCHR ?
463: S_IFCHR : S_IFBLK)) == NULL))
464: printf(" %2d,%-2d", major(fst.rdev), minor(fst.rdev));
465: else
466: printf(" %6s", name);
467: break;
468: }
469: default:
1.11 millert 470: printf(" %6qd", fst.size);
1.1 deraadt 471: }
472: rw[0] = '\0';
473: if (flag & FREAD)
474: strcat(rw, "r");
475: if (flag & FWRITE)
476: strcat(rw, "w");
477: printf(" %2s", rw);
478: if (filename && !fsflg)
479: printf(" %s", filename);
480: putchar('\n');
481: }
482:
483: int
484: ufs_filestat(vp, fsp)
485: struct vnode *vp;
486: struct filestat *fsp;
487: {
488: struct inode inode;
489:
490: if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) {
1.17 mickey 491: dprintf("can't read inode at %p for pid %d", VTOI(vp), Pid);
1.1 deraadt 492: return 0;
493: }
494: fsp->fsid = inode.i_dev & 0xffff;
495: fsp->fileid = (long)inode.i_number;
1.11 millert 496: fsp->mode = inode.i_ffs_mode;
497: fsp->size = inode.i_ffs_size;
1.9 downsj 498: fsp->rdev = inode.i_ffs_rdev;
499:
500: return 1;
501: }
502:
503: int
504: ext2fs_filestat(vp, fsp)
505: struct vnode *vp;
506: struct filestat *fsp;
507: {
508: struct inode inode;
509:
510: if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) {
1.17 mickey 511: dprintf("can't read inode at %p for pid %d", VTOI(vp), Pid);
1.9 downsj 512: return 0;
513: }
514: fsp->fsid = inode.i_dev & 0xffff;
515: fsp->fileid = (long)inode.i_number;
1.11 millert 516: fsp->mode = inode.i_e2fs_mode;
517: fsp->size = inode.i_e2fs_size;
1.9 downsj 518: fsp->rdev = 0; /* XXX */
1.14 deraadt 519:
520: return 1;
521: }
522:
523: int
524: msdos_filestat(vp, fsp)
525: struct vnode *vp;
526: struct filestat *fsp;
527: {
528: #if 0
529: struct inode inode;
530:
531: if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) {
1.17 mickey 532: dprintf("can't read inode at %p for pid %d", VTOI(vp), Pid);
1.14 deraadt 533: return 0;
534: }
535: fsp->fsid = inode.i_dev & 0xffff;
536: fsp->fileid = (long)inode.i_number;
537: fsp->mode = inode.i_e2fs_mode;
538: fsp->size = inode.i_e2fs_size;
539: fsp->rdev = 0; /* XXX */
540: #endif
1.1 deraadt 541:
542: return 1;
543: }
544:
545: int
546: nfs_filestat(vp, fsp)
547: struct vnode *vp;
548: struct filestat *fsp;
549: {
550: struct nfsnode nfsnode;
551: register mode_t mode;
552:
553: if (!KVM_READ(VTONFS(vp), &nfsnode, sizeof (nfsnode))) {
1.17 mickey 554: dprintf("can't read nfsnode at %p for pid %d", VTONFS(vp), Pid);
1.1 deraadt 555: return 0;
556: }
557: fsp->fsid = nfsnode.n_vattr.va_fsid;
558: fsp->fileid = nfsnode.n_vattr.va_fileid;
559: fsp->size = nfsnode.n_size;
560: fsp->rdev = nfsnode.n_vattr.va_rdev;
561: mode = (mode_t)nfsnode.n_vattr.va_mode;
562: switch (vp->v_type) {
563: case VREG:
564: mode |= S_IFREG;
565: break;
566: case VDIR:
567: mode |= S_IFDIR;
568: break;
569: case VBLK:
570: mode |= S_IFBLK;
571: break;
572: case VCHR:
573: mode |= S_IFCHR;
574: break;
575: case VLNK:
576: mode |= S_IFLNK;
577: break;
578: case VSOCK:
579: mode |= S_IFSOCK;
580: break;
581: case VFIFO:
582: mode |= S_IFIFO;
583: break;
1.17 mickey 584: default:
585: break;
1.1 deraadt 586: };
587: fsp->mode = mode;
588:
589: return 1;
590: }
591:
1.18 art 592: int
593: xfs_filestat(vp, fsp)
594: struct vnode *vp;
595: struct filestat *fsp;
596: {
597: struct xfs_node xfs_node;
598:
599: if (!KVM_READ(VNODE_TO_XNODE(vp), &xfs_node, sizeof (xfs_node))) {
600: dprintf("can't read xfs_node at %p for pid %d", VTOI(vp), Pid);
601: return 0;
602: }
603: fsp->fsid = xfs_node.attr.va_fsid;
604: fsp->fileid = (long)xfs_node.attr.va_fileid;
605: fsp->mode = xfs_node.attr.va_mode;
606: fsp->size = xfs_node.attr.va_size;
607: fsp->rdev = xfs_node.attr.va_rdev;
1.23 ! deraadt 608:
! 609: return 1;
! 610: }
! 611:
! 612: int
! 613: null_filestat(vp, fsp)
! 614: struct vnode *vp;
! 615: struct filestat *fsp;
! 616: {
! 617: struct null_node node;
! 618: struct filestat fst;
! 619: struct vnode vn;
! 620: int fail = 1;
! 621:
! 622: memset(&fst, 0, sizeof fst);
! 623:
! 624: if (!KVM_READ(VTONULL(vp), &node, sizeof (node))) {
! 625: dprintf("can't read node at %p for pid %d", VTONULL(vp), Pid);
! 626: return 0;
! 627: }
! 628:
! 629: /*
! 630: * Attempt to find information that might be useful.
! 631: */
! 632: if (node.null_lowervp) {
! 633: if (!KVM_READ(node.null_lowervp, &vn, sizeof (vn))) {
! 634: dprintf("can't read vnode at %p for pid %d",
! 635: node.null_lowervp, Pid);
! 636: return 0;
! 637: }
! 638:
! 639: fail = 0;
! 640: if (vn.v_type == VNON || vn.v_tag == VT_NON)
! 641: fail = 1;
! 642: else if (vn.v_type == VBAD)
! 643: fail = 1;
! 644: else
! 645: switch (vn.v_tag) {
! 646: case VT_UFS:
! 647: case VT_MFS:
! 648: if (!ufs_filestat(&vn, &fst))
! 649: fail = 1;
! 650: break;
! 651: case VT_NFS:
! 652: if (!nfs_filestat(&vn, &fst))
! 653: fail = 1;
! 654: break;
! 655: case VT_EXT2FS:
! 656: if (!ext2fs_filestat(&vn, &fst))
! 657: fail = 1;
! 658: break;
! 659: case VT_ISOFS:
! 660: if (!isofs_filestat(&vn, &fst))
! 661: fail = 1;
! 662: break;
! 663: case VT_MSDOSFS:
! 664: if (!msdos_filestat(&vn, &fst))
! 665: fail = 1;
! 666: break;
! 667: case VT_XFS:
! 668: if (!xfs_filestat(&vn, &fst))
! 669: fail = 1;
! 670: break;
! 671: default:
! 672: break;
! 673: }
! 674: }
! 675:
! 676: fsp->fsid = (long)node.null_vnode;
! 677: if (fail)
! 678: fsp->fileid = (long)node.null_lowervp;
! 679: else
! 680: fsp->fileid = fst.fileid;
! 681: fsp->mode = fst.mode;
! 682: fsp->size = fst.mode;
! 683: fsp->rdev = fst.mode;
1.18 art 684:
685: return 1;
686: }
1.1 deraadt 687:
688: char *
689: getmnton(m)
690: struct mount *m;
691: {
692: static struct mount mount;
693: static struct mtab {
694: struct mtab *next;
695: struct mount *m;
696: char mntonname[MNAMELEN];
697: } *mhead = NULL;
698: register struct mtab *mt;
699:
700: for (mt = mhead; mt != NULL; mt = mt->next)
701: if (m == mt->m)
702: return (mt->mntonname);
703: if (!KVM_READ(m, &mount, sizeof(struct mount))) {
1.17 mickey 704: warn("can't read mount table at %p", m);
1.1 deraadt 705: return (NULL);
706: }
1.17 mickey 707: if ((mt = malloc(sizeof (struct mtab))) == NULL)
708: err(1, "malloc");
1.1 deraadt 709: mt->m = m;
710: bcopy(&mount.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN);
711: mt->next = mhead;
712: mhead = mt;
713: return (mt->mntonname);
1.22 art 714: }
715:
716: void
717: pipetrans(pipe, i)
718: struct pipe *pipe;
719: int i;
720: {
721: struct pipe pi;
722: void *maxaddr;
723:
724: PREFIX(i);
725:
726: printf(" ");
727:
728: /* fill in socket */
729: if (!KVM_READ(pipe, &pi, sizeof(struct pipe))) {
730: dprintf("can't read pipe at %p", pipe);
731: goto bad;
732: }
733:
734: /*
735: * We don't have enough space to fit both peer and own address, so
736: * we select the higher address so both ends of the pipe have the
737: * same visible addr. (it's the higher address because when the other
738: * end closes, it becomes 0)
739: */
740: maxaddr = MAX(pipe, pi.pipe_peer);
741:
742: printf("pipe %p state: %s%s%s", maxaddr,
743: (pi.pipe_state & PIPE_WANTR) ? "R" : "",
744: (pi.pipe_state & PIPE_WANTW) ? "W" : "",
745: (pi.pipe_state & PIPE_EOF) ? "E" : "");
746:
747: printf("\n");
748: return;
749: bad:
750: printf("* error\n");
1.1 deraadt 751: }
752:
753: void
754: socktrans(sock, i)
755: struct socket *sock;
756: int i;
757: {
758: static char *stypename[] = {
759: "unused", /* 0 */
760: "stream", /* 1 */
761: "dgram", /* 2 */
762: "raw", /* 3 */
763: "rdm", /* 4 */
764: "seqpak" /* 5 */
765: };
766: #define STYPEMAX 5
767: struct socket so;
768: struct protosw proto;
769: struct domain dom;
770: struct inpcb inpcb;
771: struct unpcb unpcb;
772: int len;
1.4 deraadt 773: char dname[32];
1.1 deraadt 774:
775: PREFIX(i);
776:
777: /* fill in socket */
778: if (!KVM_READ(sock, &so, sizeof(struct socket))) {
1.17 mickey 779: dprintf("can't read sock at %p", sock);
1.1 deraadt 780: goto bad;
781: }
782:
783: /* fill in protosw entry */
784: if (!KVM_READ(so.so_proto, &proto, sizeof(struct protosw))) {
1.17 mickey 785: dprintf("can't read protosw at %p", so.so_proto);
1.1 deraadt 786: goto bad;
787: }
788:
789: /* fill in domain */
790: if (!KVM_READ(proto.pr_domain, &dom, sizeof(struct domain))) {
1.17 mickey 791: dprintf("can't read domain at %p", proto.pr_domain);
1.1 deraadt 792: goto bad;
793: }
794:
795: if ((len = kvm_read(kd, (u_long)dom.dom_name, dname,
1.15 deraadt 796: sizeof(dname) - 1)) != sizeof(dname) -1) {
1.17 mickey 797: dprintf("can't read domain name at %p", dom.dom_name);
1.1 deraadt 798: dname[0] = '\0';
799: }
800: else
801: dname[len] = '\0';
802:
803: if ((u_short)so.so_type > STYPEMAX)
804: printf("* %s ?%d", dname, so.so_type);
805: else
806: printf("* %s %s", dname, stypename[so.so_type]);
807:
808: /*
809: * protocol specific formatting
810: *
811: * Try to find interesting things to print. For tcp, the interesting
812: * thing is the address of the tcpcb, for udp and others, just the
813: * inpcb (socket pcb). For unix domain, its the address of the socket
814: * pcb and the address of the connected pcb (if connected). Otherwise
815: * just print the protocol number and address of the socket itself.
816: * The idea is not to duplicate netstat, but to make available enough
817: * information for further analysis.
818: */
819: switch(dom.dom_family) {
820: case AF_INET:
821: getinetproto(proto.pr_protocol);
1.5 deraadt 822: if (proto.pr_protocol == IPPROTO_TCP) {
823: if (so.so_pcb == NULL)
824: break;
825: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&inpcb,
826: sizeof(struct inpcb)) != sizeof(struct inpcb)) {
1.17 mickey 827: dprintf("can't read inpcb at %p", so.so_pcb);
1.5 deraadt 828: goto bad;
829: }
1.11 millert 830: printf(" %p", inpcb.inp_ppcb);
1.5 deraadt 831: printf(" %s:%d",
832: inpcb.inp_laddr.s_addr == INADDR_ANY ? "*" :
833: inet_ntoa(inpcb.inp_laddr),
834: ntohs(inpcb.inp_lport));
1.17 mickey 835: if (inpcb.inp_fport) {
1.13 deraadt 836: if (so.so_state & SS_CONNECTOUT)
837: printf(" --> ");
838: else
839: printf(" <-- ");
840: printf("%s:%d",
1.5 deraadt 841: inpcb.inp_faddr.s_addr == INADDR_ANY ? "*" :
842: inet_ntoa(inpcb.inp_faddr),
843: ntohs(inpcb.inp_fport));
1.17 mickey 844: }
1.5 deraadt 845: } else if (proto.pr_protocol == IPPROTO_UDP) {
846: if (so.so_pcb == NULL)
847: break;
848: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&inpcb,
849: sizeof(struct inpcb)) != sizeof(struct inpcb)) {
1.17 mickey 850: dprintf("can't read inpcb at %p", so.so_pcb);
1.5 deraadt 851: goto bad;
1.1 deraadt 852: }
1.5 deraadt 853: printf(" %s:%d",
854: inpcb.inp_laddr.s_addr == INADDR_ANY ? "*" :
855: inet_ntoa(inpcb.inp_laddr),
856: ntohs(inpcb.inp_lport));
857: if (inpcb.inp_fport)
1.6 deraadt 858: printf(" <-> %s:%d",
1.5 deraadt 859: inpcb.inp_faddr.s_addr == INADDR_ANY ? "*" :
860: inet_ntoa(inpcb.inp_faddr),
861: ntohs(inpcb.inp_fport));
862: } else if (so.so_pcb)
1.11 millert 863: printf(" %p", so.so_pcb);
1.1 deraadt 864: break;
865: case AF_UNIX:
866: /* print address of pcb and connected pcb */
867: if (so.so_pcb) {
1.11 millert 868: printf(" %p", so.so_pcb);
1.1 deraadt 869: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&unpcb,
870: sizeof(struct unpcb)) != sizeof(struct unpcb)){
1.17 mickey 871: dprintf("can't read unpcb at %p", so.so_pcb);
1.1 deraadt 872: goto bad;
873: }
874: if (unpcb.unp_conn) {
875: char shoconn[4], *cp;
876:
877: cp = shoconn;
878: if (!(so.so_state & SS_CANTRCVMORE))
879: *cp++ = '<';
880: *cp++ = '-';
881: if (!(so.so_state & SS_CANTSENDMORE))
882: *cp++ = '>';
883: *cp = '\0';
1.11 millert 884: printf(" %s %p", shoconn,
885: unpcb.unp_conn);
1.1 deraadt 886: }
887: }
888: break;
889: default:
890: /* print protocol number and socket address */
1.11 millert 891: printf(" %d %p", proto.pr_protocol, sock);
1.1 deraadt 892: }
893: printf("\n");
894: return;
895: bad:
896: printf("* error\n");
897: }
898:
899: /*
900: * getinetproto --
901: * print name of protocol number
902: */
903: void
904: getinetproto(number)
905: int number;
906: {
907: char *cp;
908:
909: switch(number) {
910: case IPPROTO_IP:
911: cp = "ip"; break;
912: case IPPROTO_ICMP:
913: cp ="icmp"; break;
914: case IPPROTO_GGP:
915: cp ="ggp"; break;
916: case IPPROTO_TCP:
917: cp ="tcp"; break;
918: case IPPROTO_EGP:
919: cp ="egp"; break;
920: case IPPROTO_PUP:
921: cp ="pup"; break;
922: case IPPROTO_UDP:
923: cp ="udp"; break;
924: case IPPROTO_IDP:
925: cp ="idp"; break;
926: case IPPROTO_RAW:
927: cp ="raw"; break;
928: default:
929: printf(" %d", number);
930: return;
931: }
932: printf(" %s", cp);
933: }
934:
1.11 millert 935: int
1.1 deraadt 936: getfname(filename)
937: char *filename;
938: {
939: struct stat statbuf;
940: DEVS *cur;
941:
942: if (stat(filename, &statbuf)) {
1.17 mickey 943: warn(filename);
1.1 deraadt 944: return(0);
945: }
1.17 mickey 946: if ((cur = malloc(sizeof(DEVS))) == NULL)
947: err(1, "malloc");
1.1 deraadt 948: cur->next = devs;
949: devs = cur;
950:
951: cur->ino = statbuf.st_ino;
952: cur->fsid = statbuf.st_dev & 0xffff;
953: cur->name = filename;
954: return(1);
955: }
956:
957: void
958: usage()
959: {
960: (void)fprintf(stderr,
961: "usage: fstat [-fnv] [-p pid] [-u user] [-N system] [-M core] [file ...]\n");
962: exit(1);
963: }