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1.26.2.1! jason 1: /* $OpenBSD: fstat.c,v 1.27 2000/06/30 16:00:14 millert 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";*/
1.26.2.1! jason 44: static char *rcsid = "$OpenBSD: fstat.c,v 1.27 2000/06/30 16:00:14 millert 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:
1.26 itojun 82: #ifdef INET6
83: #include <netinet/ip6.h>
84: #include <netinet6/ip6_var.h>
85: #endif
86:
87: #include <netdb.h>
1.5 deraadt 88: #include <arpa/inet.h>
89:
1.22 art 90: #include <sys/pipe.h>
91:
1.1 deraadt 92: #include <ctype.h>
93: #include <errno.h>
94: #include <kvm.h>
1.2 niklas 95: #include <limits.h>
1.1 deraadt 96: #include <nlist.h>
97: #include <paths.h>
98: #include <pwd.h>
99: #include <stdio.h>
100: #include <stdlib.h>
101: #include <string.h>
1.11 millert 102: #include <unistd.h>
1.24 deraadt 103: #include <netdb.h>
1.17 mickey 104: #include <err.h>
1.14 deraadt 105: #include "fstat.h"
1.1 deraadt 106:
107: #define TEXT -1
108: #define CDIR -2
109: #define RDIR -3
110: #define TRACE -4
111:
112: typedef struct devs {
113: struct devs *next;
114: long fsid;
115: ino_t ino;
116: char *name;
117: } DEVS;
118: DEVS *devs;
119:
120: int fsflg, /* show files on same filesystem as file(s) argument */
121: pflg, /* show files open by a particular pid */
122: uflg; /* show files open by a particular (effective) user */
123: int checkfile; /* true if restricting to particular files or filesystems */
124: int nflg; /* (numerical) display f.s. and rdev as dev_t */
125: int vflg; /* display errors in locating kernel data objects etc... */
126:
127: struct file **ofiles; /* buffer of pointers to file structures */
128: int maxfiles;
129: #define ALLOC_OFILES(d) \
130: if ((d) > maxfiles) { \
131: free(ofiles); \
132: ofiles = malloc((d) * sizeof(struct file *)); \
1.17 mickey 133: if (ofiles == NULL) \
134: err(1, "malloc"); \
1.1 deraadt 135: maxfiles = (d); \
136: }
137:
138: /*
139: * a kvm_read that returns true if everything is read
140: */
141: #define KVM_READ(kaddr, paddr, len) \
1.11 millert 142: (kvm_read(kd, (u_long)(kaddr), (void *)(paddr), (len)) == (len))
1.1 deraadt 143:
144: kvm_t *kd;
145:
1.11 millert 146: int ufs_filestat __P((struct vnode *, struct filestat *));
147: int ext2fs_filestat __P((struct vnode *, struct filestat *));
1.14 deraadt 148: int isofs_filestat __P((struct vnode *, struct filestat *));
149: int msdos_filestat __P((struct vnode *, struct filestat *));
1.11 millert 150: int nfs_filestat __P((struct vnode *, struct filestat *));
151: void dofiles __P((struct kinfo_proc *));
152: void getinetproto __P((int));
153: void socktrans __P((struct socket *, int));
154: void usage __P((void));
155: void vtrans __P((struct vnode *, int, int));
156: int getfname __P((char *));
1.22 art 157: void pipetrans __P((struct pipe *, int));
1.1 deraadt 158:
1.11 millert 159: int
1.1 deraadt 160: main(argc, argv)
161: int argc;
162: char **argv;
163: {
164: extern char *optarg;
165: extern int optind;
166: register struct passwd *passwd;
167: struct kinfo_proc *p, *plast;
168: int arg, ch, what;
169: char *memf, *nlistf;
1.2 niklas 170: char buf[_POSIX2_LINE_MAX];
1.1 deraadt 171: int cnt;
172:
173: arg = 0;
174: what = KERN_PROC_ALL;
175: nlistf = memf = NULL;
1.8 millert 176: while ((ch = getopt(argc, argv, "fnp:u:vN:M:")) != -1)
1.1 deraadt 177: switch((char)ch) {
178: case 'f':
179: fsflg = 1;
180: break;
181: case 'M':
182: memf = optarg;
183: break;
184: case 'N':
185: nlistf = optarg;
186: break;
187: case 'n':
188: nflg = 1;
189: break;
190: case 'p':
191: if (pflg++)
192: usage();
193: if (!isdigit(*optarg)) {
1.17 mickey 194: warnx( "-p requires a process id\n");
1.1 deraadt 195: usage();
196: }
197: what = KERN_PROC_PID;
198: arg = atoi(optarg);
199: break;
200: case 'u':
201: if (uflg++)
202: usage();
1.17 mickey 203: if (!(passwd = getpwnam(optarg)))
1.21 deraadt 204: errx(1, "%s: unknown uid", optarg);
1.1 deraadt 205: what = KERN_PROC_UID;
206: arg = passwd->pw_uid;
207: break;
208: case 'v':
209: vflg = 1;
210: break;
211: case '?':
212: default:
213: usage();
214: }
215:
216: if (*(argv += optind)) {
217: for (; *argv; ++argv) {
218: if (getfname(*argv))
219: checkfile = 1;
220: }
221: if (!checkfile) /* file(s) specified, but none accessable */
222: exit(1);
223: }
224:
225: ALLOC_OFILES(256); /* reserve space for file pointers */
226:
227: if (fsflg && !checkfile) {
228: /* -f with no files means use wd */
229: if (getfname(".") == 0)
230: exit(1);
231: checkfile = 1;
232: }
233:
234: /*
235: * Discard setgid privileges if not the running kernel so that bad
236: * guys can't print interesting stuff from kernel memory.
237: */
1.7 tholo 238: if (nlistf != NULL || memf != NULL) {
239: setegid(getgid());
1.1 deraadt 240: setgid(getgid());
1.7 tholo 241: }
1.1 deraadt 242:
1.17 mickey 243: if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == NULL)
1.21 deraadt 244: errx(1, "%s", buf);
1.16 deraadt 245:
246: setegid(getgid());
247: setgid(getgid());
248:
1.17 mickey 249: if ((p = kvm_getprocs(kd, what, arg, &cnt)) == NULL)
1.21 deraadt 250: errx(1, "%s", kvm_geterr(kd));
1.1 deraadt 251: if (nflg)
252: printf("%s",
253: "USER CMD PID FD DEV INUM MODE SZ|DV R/W");
254: else
255: printf("%s",
256: "USER CMD PID FD MOUNT INUM MODE SZ|DV R/W");
257: if (checkfile && fsflg == 0)
258: printf(" NAME\n");
259: else
260: putchar('\n');
261:
262: for (plast = &p[cnt]; p < plast; ++p) {
263: if (p->kp_proc.p_stat == SZOMB)
264: continue;
265: dofiles(p);
266: }
267: exit(0);
268: }
269:
270: char *Uname, *Comm;
1.14 deraadt 271: pid_t Pid;
1.1 deraadt 272:
273: #define PREFIX(i) printf("%-8.8s %-10s %5d", Uname, Comm, Pid); \
274: switch(i) { \
275: case TEXT: \
276: printf(" text"); \
277: break; \
278: case CDIR: \
279: printf(" wd"); \
280: break; \
281: case RDIR: \
282: printf(" root"); \
283: break; \
284: case TRACE: \
285: printf(" tr"); \
286: break; \
287: default: \
288: printf(" %4d", i); \
289: break; \
290: }
291:
292: /*
293: * print open files attributed to this process
294: */
295: void
296: dofiles(kp)
297: struct kinfo_proc *kp;
298: {
1.11 millert 299: int i;
1.1 deraadt 300: struct file file;
301: struct filedesc0 filed0;
302: #define filed filed0.fd_fd
303: struct proc *p = &kp->kp_proc;
304: struct eproc *ep = &kp->kp_eproc;
305:
306: extern char *user_from_uid();
307:
308: Uname = user_from_uid(ep->e_ucred.cr_uid, 0);
309: Pid = p->p_pid;
310: Comm = p->p_comm;
311:
312: if (p->p_fd == NULL)
313: return;
314: if (!KVM_READ(p->p_fd, &filed0, sizeof (filed0))) {
1.17 mickey 315: dprintf("can't read filedesc at %p for pid %d", p->p_fd, Pid);
1.1 deraadt 316: return;
317: }
318: if (filed.fd_nfiles < 0 || filed.fd_lastfile >= filed.fd_nfiles ||
319: filed.fd_freefile > filed.fd_lastfile + 1) {
1.17 mickey 320: dprintf("filedesc corrupted at %p for pid %d", p->p_fd, Pid);
1.1 deraadt 321: return;
322: }
323: /*
324: * root directory vnode, if one
325: */
326: if (filed.fd_rdir)
327: vtrans(filed.fd_rdir, RDIR, FREAD);
328: /*
329: * current working directory vnode
330: */
331: vtrans(filed.fd_cdir, CDIR, FREAD);
332: /*
333: * ktrace vnode, if one
334: */
335: if (p->p_tracep)
336: vtrans(p->p_tracep, TRACE, FREAD|FWRITE);
337: /*
338: * open files
339: */
340: #define FPSIZE (sizeof (struct file *))
341: ALLOC_OFILES(filed.fd_lastfile+1);
342: if (filed.fd_nfiles > NDFILE) {
343: if (!KVM_READ(filed.fd_ofiles, ofiles,
344: (filed.fd_lastfile+1) * FPSIZE)) {
1.17 mickey 345: dprintf("can't read file structures at %p for pid %d",
1.1 deraadt 346: filed.fd_ofiles, Pid);
347: return;
348: }
349: } else
350: bcopy(filed0.fd_dfiles, ofiles, (filed.fd_lastfile+1) * FPSIZE);
351: for (i = 0; i <= filed.fd_lastfile; i++) {
352: if (ofiles[i] == NULL)
353: continue;
354: if (!KVM_READ(ofiles[i], &file, sizeof (struct file))) {
1.17 mickey 355: dprintf("can't read file %d at %p for pid %d",
1.1 deraadt 356: i, ofiles[i], Pid);
357: continue;
358: }
359: if (file.f_type == DTYPE_VNODE)
360: vtrans((struct vnode *)file.f_data, i, file.f_flag);
361: else if (file.f_type == DTYPE_SOCKET) {
362: if (checkfile == 0)
363: socktrans((struct socket *)file.f_data, i);
1.22 art 364: } else if (file.f_type == DTYPE_PIPE) {
365: if (checkfile == 0)
366: pipetrans((struct pipe *)file.f_data, i);
367: } else {
1.17 mickey 368: dprintf("unknown file type %d for file %d of pid %d",
1.1 deraadt 369: file.f_type, i, Pid);
370: }
371: }
372: }
373:
374: void
375: vtrans(vp, i, flag)
376: struct vnode *vp;
377: int i;
378: int flag;
379: {
380: struct vnode vn;
381: struct filestat fst;
1.12 deraadt 382: char rw[3], mode[17];
1.1 deraadt 383: char *badtype = NULL, *filename, *getmnton();
384:
385: filename = badtype = NULL;
386: if (!KVM_READ(vp, &vn, sizeof (struct vnode))) {
1.17 mickey 387: dprintf("can't read vnode at %p for pid %d", vp, Pid);
1.1 deraadt 388: return;
389: }
390: if (vn.v_type == VNON || vn.v_tag == VT_NON)
391: badtype = "none";
392: else if (vn.v_type == VBAD)
393: badtype = "bad";
394: else
395: switch (vn.v_tag) {
396: case VT_UFS:
397: case VT_MFS:
398: if (!ufs_filestat(&vn, &fst))
399: badtype = "error";
400: break;
401: case VT_NFS:
402: if (!nfs_filestat(&vn, &fst))
403: badtype = "error";
404: break;
1.9 downsj 405: case VT_EXT2FS:
406: if (!ext2fs_filestat(&vn, &fst))
407: badtype = "error";
408: break;
1.14 deraadt 409: case VT_ISOFS:
410: if (!isofs_filestat(&vn, &fst))
411: badtype = "error";
412: break;
413: case VT_MSDOSFS:
414: if (!msdos_filestat(&vn, &fst))
415: badtype = "error";
416: break;
1.18 art 417: case VT_XFS:
418: if (!xfs_filestat(&vn, &fst))
419: badtype = "error";
420: break;
1.23 deraadt 421: case VT_NULL:
422: if (!null_filestat(&vn, &fst))
423: badtype = "error";
424: break;
1.1 deraadt 425: default: {
1.12 deraadt 426: static char unknown[30];
1.1 deraadt 427: sprintf(badtype = unknown, "?(%x)", vn.v_tag);
1.10 deraadt 428: break;
1.1 deraadt 429: }
430: }
431: if (checkfile) {
432: int fsmatch = 0;
433: register DEVS *d;
434:
435: if (badtype)
436: return;
437: for (d = devs; d != NULL; d = d->next)
438: if (d->fsid == fst.fsid) {
439: fsmatch = 1;
440: if (d->ino == fst.fileid) {
441: filename = d->name;
442: break;
443: }
444: }
445: if (fsmatch == 0 || (filename == NULL && fsflg == 0))
446: return;
447: }
448: PREFIX(i);
449: if (badtype) {
450: (void)printf(" - - %10s -\n", badtype);
451: return;
452: }
453: if (nflg)
454: (void)printf(" %2d,%-2d", major(fst.fsid), minor(fst.fsid));
455: else
456: (void)printf(" %-8s", getmnton(vn.v_mount));
457: if (nflg)
458: (void)sprintf(mode, "%o", fst.mode);
459: else
460: strmode(fst.mode, mode);
1.11 millert 461: (void)printf(" %6ld %10s", fst.fileid, mode);
1.1 deraadt 462: switch (vn.v_type) {
463: case VBLK:
464: case VCHR: {
465: char *name;
466:
467: if (nflg || ((name = devname(fst.rdev, vn.v_type == VCHR ?
468: S_IFCHR : S_IFBLK)) == NULL))
469: printf(" %2d,%-2d", major(fst.rdev), minor(fst.rdev));
470: else
471: printf(" %6s", name);
472: break;
473: }
474: default:
1.11 millert 475: printf(" %6qd", fst.size);
1.1 deraadt 476: }
477: rw[0] = '\0';
478: if (flag & FREAD)
479: strcat(rw, "r");
480: if (flag & FWRITE)
481: strcat(rw, "w");
482: printf(" %2s", rw);
483: if (filename && !fsflg)
484: printf(" %s", filename);
485: putchar('\n');
486: }
487:
488: int
489: ufs_filestat(vp, fsp)
490: struct vnode *vp;
491: struct filestat *fsp;
492: {
493: struct inode inode;
494:
495: if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) {
1.17 mickey 496: dprintf("can't read inode at %p for pid %d", VTOI(vp), Pid);
1.1 deraadt 497: return 0;
498: }
499: fsp->fsid = inode.i_dev & 0xffff;
500: fsp->fileid = (long)inode.i_number;
1.11 millert 501: fsp->mode = inode.i_ffs_mode;
502: fsp->size = inode.i_ffs_size;
1.9 downsj 503: fsp->rdev = inode.i_ffs_rdev;
504:
505: return 1;
506: }
507:
508: int
509: ext2fs_filestat(vp, fsp)
510: struct vnode *vp;
511: struct filestat *fsp;
512: {
513: struct inode inode;
514:
515: if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) {
1.17 mickey 516: dprintf("can't read inode at %p for pid %d", VTOI(vp), Pid);
1.9 downsj 517: return 0;
518: }
519: fsp->fsid = inode.i_dev & 0xffff;
520: fsp->fileid = (long)inode.i_number;
1.11 millert 521: fsp->mode = inode.i_e2fs_mode;
522: fsp->size = inode.i_e2fs_size;
1.9 downsj 523: fsp->rdev = 0; /* XXX */
1.14 deraadt 524:
525: return 1;
526: }
527:
528: int
529: msdos_filestat(vp, fsp)
530: struct vnode *vp;
531: struct filestat *fsp;
532: {
533: #if 0
534: struct inode inode;
535:
536: if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) {
1.17 mickey 537: dprintf("can't read inode at %p for pid %d", VTOI(vp), Pid);
1.14 deraadt 538: return 0;
539: }
540: fsp->fsid = inode.i_dev & 0xffff;
541: fsp->fileid = (long)inode.i_number;
542: fsp->mode = inode.i_e2fs_mode;
543: fsp->size = inode.i_e2fs_size;
544: fsp->rdev = 0; /* XXX */
545: #endif
1.1 deraadt 546:
547: return 1;
548: }
549:
550: int
551: nfs_filestat(vp, fsp)
552: struct vnode *vp;
553: struct filestat *fsp;
554: {
555: struct nfsnode nfsnode;
556: register mode_t mode;
557:
558: if (!KVM_READ(VTONFS(vp), &nfsnode, sizeof (nfsnode))) {
1.17 mickey 559: dprintf("can't read nfsnode at %p for pid %d", VTONFS(vp), Pid);
1.1 deraadt 560: return 0;
561: }
562: fsp->fsid = nfsnode.n_vattr.va_fsid;
563: fsp->fileid = nfsnode.n_vattr.va_fileid;
564: fsp->size = nfsnode.n_size;
565: fsp->rdev = nfsnode.n_vattr.va_rdev;
566: mode = (mode_t)nfsnode.n_vattr.va_mode;
567: switch (vp->v_type) {
568: case VREG:
569: mode |= S_IFREG;
570: break;
571: case VDIR:
572: mode |= S_IFDIR;
573: break;
574: case VBLK:
575: mode |= S_IFBLK;
576: break;
577: case VCHR:
578: mode |= S_IFCHR;
579: break;
580: case VLNK:
581: mode |= S_IFLNK;
582: break;
583: case VSOCK:
584: mode |= S_IFSOCK;
585: break;
586: case VFIFO:
587: mode |= S_IFIFO;
588: break;
1.17 mickey 589: default:
590: break;
1.1 deraadt 591: };
592: fsp->mode = mode;
593:
594: return 1;
595: }
596:
1.18 art 597: int
598: xfs_filestat(vp, fsp)
599: struct vnode *vp;
600: struct filestat *fsp;
601: {
602: struct xfs_node xfs_node;
603:
604: if (!KVM_READ(VNODE_TO_XNODE(vp), &xfs_node, sizeof (xfs_node))) {
605: dprintf("can't read xfs_node at %p for pid %d", VTOI(vp), Pid);
606: return 0;
607: }
608: fsp->fsid = xfs_node.attr.va_fsid;
609: fsp->fileid = (long)xfs_node.attr.va_fileid;
610: fsp->mode = xfs_node.attr.va_mode;
611: fsp->size = xfs_node.attr.va_size;
612: fsp->rdev = xfs_node.attr.va_rdev;
1.23 deraadt 613:
614: return 1;
615: }
616:
617: int
618: null_filestat(vp, fsp)
619: struct vnode *vp;
620: struct filestat *fsp;
621: {
622: struct null_node node;
623: struct filestat fst;
624: struct vnode vn;
625: int fail = 1;
626:
627: memset(&fst, 0, sizeof fst);
628:
629: if (!KVM_READ(VTONULL(vp), &node, sizeof (node))) {
630: dprintf("can't read node at %p for pid %d", VTONULL(vp), Pid);
631: return 0;
632: }
633:
634: /*
635: * Attempt to find information that might be useful.
636: */
637: if (node.null_lowervp) {
638: if (!KVM_READ(node.null_lowervp, &vn, sizeof (vn))) {
639: dprintf("can't read vnode at %p for pid %d",
640: node.null_lowervp, Pid);
641: return 0;
642: }
643:
644: fail = 0;
645: if (vn.v_type == VNON || vn.v_tag == VT_NON)
646: fail = 1;
647: else if (vn.v_type == VBAD)
648: fail = 1;
649: else
650: switch (vn.v_tag) {
651: case VT_UFS:
652: case VT_MFS:
653: if (!ufs_filestat(&vn, &fst))
654: fail = 1;
655: break;
656: case VT_NFS:
657: if (!nfs_filestat(&vn, &fst))
658: fail = 1;
659: break;
660: case VT_EXT2FS:
661: if (!ext2fs_filestat(&vn, &fst))
662: fail = 1;
663: break;
664: case VT_ISOFS:
665: if (!isofs_filestat(&vn, &fst))
666: fail = 1;
667: break;
668: case VT_MSDOSFS:
669: if (!msdos_filestat(&vn, &fst))
670: fail = 1;
671: break;
672: case VT_XFS:
673: if (!xfs_filestat(&vn, &fst))
674: fail = 1;
675: break;
676: default:
677: break;
678: }
679: }
680:
681: fsp->fsid = (long)node.null_vnode;
682: if (fail)
683: fsp->fileid = (long)node.null_lowervp;
684: else
685: fsp->fileid = fst.fileid;
686: fsp->mode = fst.mode;
687: fsp->size = fst.mode;
688: fsp->rdev = fst.mode;
1.18 art 689:
690: return 1;
691: }
1.1 deraadt 692:
693: char *
694: getmnton(m)
695: struct mount *m;
696: {
697: static struct mount mount;
698: static struct mtab {
699: struct mtab *next;
700: struct mount *m;
701: char mntonname[MNAMELEN];
702: } *mhead = NULL;
703: register struct mtab *mt;
704:
705: for (mt = mhead; mt != NULL; mt = mt->next)
706: if (m == mt->m)
707: return (mt->mntonname);
708: if (!KVM_READ(m, &mount, sizeof(struct mount))) {
1.17 mickey 709: warn("can't read mount table at %p", m);
1.1 deraadt 710: return (NULL);
711: }
1.17 mickey 712: if ((mt = malloc(sizeof (struct mtab))) == NULL)
713: err(1, "malloc");
1.1 deraadt 714: mt->m = m;
715: bcopy(&mount.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN);
716: mt->next = mhead;
717: mhead = mt;
718: return (mt->mntonname);
1.22 art 719: }
720:
721: void
722: pipetrans(pipe, i)
723: struct pipe *pipe;
724: int i;
725: {
726: struct pipe pi;
727: void *maxaddr;
728:
729: PREFIX(i);
730:
731: printf(" ");
732:
733: /* fill in socket */
734: if (!KVM_READ(pipe, &pi, sizeof(struct pipe))) {
735: dprintf("can't read pipe at %p", pipe);
736: goto bad;
737: }
738:
739: /*
740: * We don't have enough space to fit both peer and own address, so
741: * we select the higher address so both ends of the pipe have the
742: * same visible addr. (it's the higher address because when the other
743: * end closes, it becomes 0)
744: */
745: maxaddr = MAX(pipe, pi.pipe_peer);
746:
747: printf("pipe %p state: %s%s%s", maxaddr,
748: (pi.pipe_state & PIPE_WANTR) ? "R" : "",
749: (pi.pipe_state & PIPE_WANTW) ? "W" : "",
750: (pi.pipe_state & PIPE_EOF) ? "E" : "");
751:
752: printf("\n");
753: return;
754: bad:
755: printf("* error\n");
1.1 deraadt 756: }
757:
1.26 itojun 758: #ifdef INET6
759: const char *
760: inet6_addrstr(p)
761: struct in6_addr *p;
762: {
763: struct sockaddr_in6 sin6;
764: static char hbuf[NI_MAXHOST];
765: #ifdef NI_WITHSCOPEID
766: const int niflags = NI_NUMERICHOST | NI_WITHSCOPEID;
767: #else
768: const int niflags = NI_NUMERICHOST
769: #endif
770:
771: memset(&sin6, 0, sizeof(sin6));
772: sin6.sin6_family = AF_INET6;
773: sin6.sin6_len = sizeof(struct sockaddr_in6);
774: sin6.sin6_addr = *p;
775: if (IN6_IS_ADDR_LINKLOCAL(p) &&
776: *(u_int16_t *)&sin6.sin6_addr.s6_addr[2] != 0) {
777: sin6.sin6_scope_id =
778: ntohs(*(u_int16_t *)&sin6.sin6_addr.s6_addr[2]);
779: sin6.sin6_addr.s6_addr[2] = sin6.sin6_addr.s6_addr[3] = 0;
780: }
781:
782: if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len,
783: hbuf, sizeof(hbuf), NULL, 0, niflags))
784: return "invalid";
785:
786: return hbuf;
787: }
788: #endif
789:
1.1 deraadt 790: void
791: socktrans(sock, i)
792: struct socket *sock;
793: int i;
794: {
795: static char *stypename[] = {
796: "unused", /* 0 */
797: "stream", /* 1 */
798: "dgram", /* 2 */
799: "raw", /* 3 */
800: "rdm", /* 4 */
801: "seqpak" /* 5 */
802: };
803: #define STYPEMAX 5
804: struct socket so;
805: struct protosw proto;
806: struct domain dom;
807: struct inpcb inpcb;
808: struct unpcb unpcb;
809: int len;
1.4 deraadt 810: char dname[32];
1.26 itojun 811: #ifdef INET6
812: char xaddrbuf[NI_MAXHOST + 2];
813: #endif
1.1 deraadt 814:
815: PREFIX(i);
816:
817: /* fill in socket */
818: if (!KVM_READ(sock, &so, sizeof(struct socket))) {
1.17 mickey 819: dprintf("can't read sock at %p", sock);
1.1 deraadt 820: goto bad;
821: }
822:
823: /* fill in protosw entry */
824: if (!KVM_READ(so.so_proto, &proto, sizeof(struct protosw))) {
1.17 mickey 825: dprintf("can't read protosw at %p", so.so_proto);
1.1 deraadt 826: goto bad;
827: }
828:
829: /* fill in domain */
830: if (!KVM_READ(proto.pr_domain, &dom, sizeof(struct domain))) {
1.17 mickey 831: dprintf("can't read domain at %p", proto.pr_domain);
1.1 deraadt 832: goto bad;
833: }
834:
835: if ((len = kvm_read(kd, (u_long)dom.dom_name, dname,
1.15 deraadt 836: sizeof(dname) - 1)) != sizeof(dname) -1) {
1.17 mickey 837: dprintf("can't read domain name at %p", dom.dom_name);
1.1 deraadt 838: dname[0] = '\0';
839: }
840: else
841: dname[len] = '\0';
842:
843: if ((u_short)so.so_type > STYPEMAX)
844: printf("* %s ?%d", dname, so.so_type);
845: else
846: printf("* %s %s", dname, stypename[so.so_type]);
847:
848: /*
849: * protocol specific formatting
850: *
851: * Try to find interesting things to print. For tcp, the interesting
852: * thing is the address of the tcpcb, for udp and others, just the
853: * inpcb (socket pcb). For unix domain, its the address of the socket
854: * pcb and the address of the connected pcb (if connected). Otherwise
855: * just print the protocol number and address of the socket itself.
856: * The idea is not to duplicate netstat, but to make available enough
857: * information for further analysis.
858: */
859: switch(dom.dom_family) {
860: case AF_INET:
861: getinetproto(proto.pr_protocol);
1.5 deraadt 862: if (proto.pr_protocol == IPPROTO_TCP) {
863: if (so.so_pcb == NULL)
864: break;
865: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&inpcb,
866: sizeof(struct inpcb)) != sizeof(struct inpcb)) {
1.17 mickey 867: dprintf("can't read inpcb at %p", so.so_pcb);
1.5 deraadt 868: goto bad;
869: }
1.11 millert 870: printf(" %p", inpcb.inp_ppcb);
1.5 deraadt 871: printf(" %s:%d",
872: inpcb.inp_laddr.s_addr == INADDR_ANY ? "*" :
873: inet_ntoa(inpcb.inp_laddr),
874: ntohs(inpcb.inp_lport));
1.17 mickey 875: if (inpcb.inp_fport) {
1.13 deraadt 876: if (so.so_state & SS_CONNECTOUT)
877: printf(" --> ");
878: else
879: printf(" <-- ");
880: printf("%s:%d",
1.5 deraadt 881: inpcb.inp_faddr.s_addr == INADDR_ANY ? "*" :
882: inet_ntoa(inpcb.inp_faddr),
883: ntohs(inpcb.inp_fport));
1.17 mickey 884: }
1.5 deraadt 885: } else if (proto.pr_protocol == IPPROTO_UDP) {
886: if (so.so_pcb == NULL)
887: break;
888: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&inpcb,
889: sizeof(struct inpcb)) != sizeof(struct inpcb)) {
1.17 mickey 890: dprintf("can't read inpcb at %p", so.so_pcb);
1.5 deraadt 891: goto bad;
1.1 deraadt 892: }
1.5 deraadt 893: printf(" %s:%d",
894: inpcb.inp_laddr.s_addr == INADDR_ANY ? "*" :
895: inet_ntoa(inpcb.inp_laddr),
896: ntohs(inpcb.inp_lport));
897: if (inpcb.inp_fport)
1.6 deraadt 898: printf(" <-> %s:%d",
1.5 deraadt 899: inpcb.inp_faddr.s_addr == INADDR_ANY ? "*" :
900: inet_ntoa(inpcb.inp_faddr),
901: ntohs(inpcb.inp_fport));
902: } else if (so.so_pcb)
1.11 millert 903: printf(" %p", so.so_pcb);
1.1 deraadt 904: break;
1.26 itojun 905: #ifdef INET6
906: case AF_INET6:
907: getinetproto(proto.pr_protocol);
908: if (proto.pr_protocol == IPPROTO_TCP) {
909: if (so.so_pcb == NULL)
910: break;
911: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&inpcb,
912: sizeof(struct inpcb)) != sizeof(struct inpcb)) {
913: dprintf("can't read inpcb at %p", so.so_pcb);
914: goto bad;
915: }
916: printf(" %p", inpcb.inp_ppcb);
917: snprintf(xaddrbuf, sizeof(xaddrbuf), "[%s]",
918: inet6_addrstr(&inpcb.inp_laddr6));
919: printf(" %s:%d",
920: IN6_IS_ADDR_UNSPECIFIED(&inpcb.inp_laddr6) ? "*" :
921: xaddrbuf,
922: ntohs(inpcb.inp_lport));
923: if (inpcb.inp_fport) {
924: if (so.so_state & SS_CONNECTOUT)
925: printf(" --> ");
926: else
927: printf(" <-- ");
928: snprintf(xaddrbuf, sizeof(xaddrbuf), "[%s]",
929: inet6_addrstr(&inpcb.inp_faddr6));
930: printf("%s:%d",
931: IN6_IS_ADDR_UNSPECIFIED(&inpcb.inp_faddr6) ? "*" :
932: xaddrbuf,
933: ntohs(inpcb.inp_fport));
934: }
935: } else if (proto.pr_protocol == IPPROTO_UDP) {
936: if (so.so_pcb == NULL)
937: break;
938: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&inpcb,
939: sizeof(struct inpcb)) != sizeof(struct inpcb)) {
940: dprintf("can't read inpcb at %p", so.so_pcb);
941: goto bad;
942: }
943: snprintf(xaddrbuf, sizeof(xaddrbuf), "[%s]",
944: inet6_addrstr(&inpcb.inp_laddr6));
945: printf(" %s:%d",
946: IN6_IS_ADDR_UNSPECIFIED(&inpcb.inp_laddr6) ? "*" :
947: xaddrbuf,
948: ntohs(inpcb.inp_lport));
949: if (inpcb.inp_fport)
950: snprintf(xaddrbuf, sizeof(xaddrbuf), "[%s]",
951: inet6_addrstr(&inpcb.inp_faddr6));
952: printf(" <-> %s:%d",
953: IN6_IS_ADDR_UNSPECIFIED(&inpcb.inp_faddr6) ? "*" :
954: xaddrbuf,
955: ntohs(inpcb.inp_fport));
956: } else if (so.so_pcb)
957: printf(" %p", so.so_pcb);
958: break;
959: #endif
1.1 deraadt 960: case AF_UNIX:
961: /* print address of pcb and connected pcb */
962: if (so.so_pcb) {
1.11 millert 963: printf(" %p", so.so_pcb);
1.1 deraadt 964: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&unpcb,
965: sizeof(struct unpcb)) != sizeof(struct unpcb)){
1.17 mickey 966: dprintf("can't read unpcb at %p", so.so_pcb);
1.1 deraadt 967: goto bad;
968: }
969: if (unpcb.unp_conn) {
970: char shoconn[4], *cp;
971:
972: cp = shoconn;
973: if (!(so.so_state & SS_CANTRCVMORE))
974: *cp++ = '<';
975: *cp++ = '-';
976: if (!(so.so_state & SS_CANTSENDMORE))
977: *cp++ = '>';
978: *cp = '\0';
1.11 millert 979: printf(" %s %p", shoconn,
980: unpcb.unp_conn);
1.1 deraadt 981: }
982: }
983: break;
984: default:
985: /* print protocol number and socket address */
1.11 millert 986: printf(" %d %p", proto.pr_protocol, sock);
1.1 deraadt 987: }
988: printf("\n");
989: return;
990: bad:
991: printf("* error\n");
992: }
993:
994: /*
995: * getinetproto --
996: * print name of protocol number
997: */
998: void
999: getinetproto(number)
1000: int number;
1001: {
1.24 deraadt 1002: static int isopen;
1003: register struct protoent *pe;
1.1 deraadt 1004:
1.24 deraadt 1005: if (!isopen)
1006: setprotoent(++isopen);
1007: if ((pe = getprotobynumber(number)) != NULL)
1008: printf(" %s", pe->p_name);
1009: else
1.1 deraadt 1010: printf(" %d", number);
1011: }
1012:
1.11 millert 1013: int
1.1 deraadt 1014: getfname(filename)
1015: char *filename;
1016: {
1017: struct stat statbuf;
1018: DEVS *cur;
1019:
1020: if (stat(filename, &statbuf)) {
1.26.2.1! jason 1021: warn("%s", filename);
1.1 deraadt 1022: return(0);
1023: }
1.17 mickey 1024: if ((cur = malloc(sizeof(DEVS))) == NULL)
1025: err(1, "malloc");
1.1 deraadt 1026: cur->next = devs;
1027: devs = cur;
1028:
1029: cur->ino = statbuf.st_ino;
1030: cur->fsid = statbuf.st_dev & 0xffff;
1031: cur->name = filename;
1032: return(1);
1033: }
1034:
1035: void
1036: usage()
1037: {
1038: (void)fprintf(stderr,
1039: "usage: fstat [-fnv] [-p pid] [-u user] [-N system] [-M core] [file ...]\n");
1040: exit(1);
1041: }