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1.16 ! deraadt 1: /* $OpenBSD: fstat.c,v 1.15 1998/07/05 18:42:41 deraadt 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";*/
1.16 ! deraadt 44: static char *rcsid = "$OpenBSD: fstat.c,v 1.15 1998/07/05 18:42:41 deraadt 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>
60: #define _KERNEL
61: #include <sys/file.h>
62: #include <ufs/ufs/quota.h>
63: #include <ufs/ufs/inode.h>
64: #undef _KERNEL
65: #define NFS
66: #include <sys/mount.h>
1.2 niklas 67: #include <nfs/nfsproto.h>
1.1 deraadt 68: #include <nfs/rpcv2.h>
69: #include <nfs/nfs.h>
70: #include <nfs/nfsnode.h>
71: #undef NFS
72:
73: #include <net/route.h>
74: #include <netinet/in.h>
75: #include <netinet/in_systm.h>
76: #include <netinet/ip.h>
77: #include <netinet/in_pcb.h>
78:
1.5 deraadt 79: #include <arpa/inet.h>
80:
1.1 deraadt 81: #include <ctype.h>
82: #include <errno.h>
83: #include <kvm.h>
1.2 niklas 84: #include <limits.h>
1.1 deraadt 85: #include <nlist.h>
86: #include <paths.h>
87: #include <pwd.h>
88: #include <stdio.h>
89: #include <stdlib.h>
90: #include <string.h>
1.11 millert 91: #include <unistd.h>
1.14 deraadt 92: #include "fstat.h"
1.1 deraadt 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: int fsflg, /* show files on same filesystem as file(s) argument */
108: pflg, /* show files open by a particular pid */
109: uflg; /* show files open by a particular (effective) user */
110: int checkfile; /* true if restricting to particular files or filesystems */
111: int nflg; /* (numerical) display f.s. and rdev as dev_t */
112: int vflg; /* display errors in locating kernel data objects etc... */
113:
114: #define dprintf if (vflg) fprintf
115:
116: struct file **ofiles; /* buffer of pointers to file structures */
117: int maxfiles;
118: #define ALLOC_OFILES(d) \
119: if ((d) > maxfiles) { \
120: free(ofiles); \
121: ofiles = malloc((d) * sizeof(struct file *)); \
122: if (ofiles == NULL) { \
123: fprintf(stderr, "fstat: %s\n", strerror(errno)); \
124: exit(1); \
125: } \
126: maxfiles = (d); \
127: }
128:
129: /*
130: * a kvm_read that returns true if everything is read
131: */
132: #define KVM_READ(kaddr, paddr, len) \
1.11 millert 133: (kvm_read(kd, (u_long)(kaddr), (void *)(paddr), (len)) == (len))
1.1 deraadt 134:
135: kvm_t *kd;
136:
1.11 millert 137: int ufs_filestat __P((struct vnode *, struct filestat *));
138: int ext2fs_filestat __P((struct vnode *, struct filestat *));
1.14 deraadt 139: int isofs_filestat __P((struct vnode *, struct filestat *));
140: int msdos_filestat __P((struct vnode *, struct filestat *));
1.11 millert 141: int nfs_filestat __P((struct vnode *, struct filestat *));
142: void dofiles __P((struct kinfo_proc *));
143: void getinetproto __P((int));
144: void socktrans __P((struct socket *, int));
145: void usage __P((void));
146: void vtrans __P((struct vnode *, int, int));
147: int getfname __P((char *));
1.1 deraadt 148:
1.11 millert 149: int
1.1 deraadt 150: main(argc, argv)
151: int argc;
152: char **argv;
153: {
154: extern char *optarg;
155: extern int optind;
156: register struct passwd *passwd;
157: struct kinfo_proc *p, *plast;
158: int arg, ch, what;
159: char *memf, *nlistf;
1.2 niklas 160: char buf[_POSIX2_LINE_MAX];
1.1 deraadt 161: int cnt;
162:
163: arg = 0;
164: what = KERN_PROC_ALL;
165: nlistf = memf = NULL;
1.8 millert 166: while ((ch = getopt(argc, argv, "fnp:u:vN:M:")) != -1)
1.1 deraadt 167: switch((char)ch) {
168: case 'f':
169: fsflg = 1;
170: break;
171: case 'M':
172: memf = optarg;
173: break;
174: case 'N':
175: nlistf = optarg;
176: break;
177: case 'n':
178: nflg = 1;
179: break;
180: case 'p':
181: if (pflg++)
182: usage();
183: if (!isdigit(*optarg)) {
184: fprintf(stderr,
185: "fstat: -p requires a process id\n");
186: usage();
187: }
188: what = KERN_PROC_PID;
189: arg = atoi(optarg);
190: break;
191: case 'u':
192: if (uflg++)
193: usage();
194: if (!(passwd = getpwnam(optarg))) {
195: fprintf(stderr, "%s: unknown uid\n",
196: optarg);
197: exit(1);
198: }
199: what = KERN_PROC_UID;
200: arg = passwd->pw_uid;
201: break;
202: case 'v':
203: vflg = 1;
204: break;
205: case '?':
206: default:
207: usage();
208: }
209:
210: if (*(argv += optind)) {
211: for (; *argv; ++argv) {
212: if (getfname(*argv))
213: checkfile = 1;
214: }
215: if (!checkfile) /* file(s) specified, but none accessable */
216: exit(1);
217: }
218:
219: ALLOC_OFILES(256); /* reserve space for file pointers */
220:
221: if (fsflg && !checkfile) {
222: /* -f with no files means use wd */
223: if (getfname(".") == 0)
224: exit(1);
225: checkfile = 1;
226: }
227:
228: /*
229: * Discard setgid privileges if not the running kernel so that bad
230: * guys can't print interesting stuff from kernel memory.
231: */
1.7 tholo 232: if (nlistf != NULL || memf != NULL) {
233: setegid(getgid());
1.1 deraadt 234: setgid(getgid());
1.7 tholo 235: }
1.1 deraadt 236:
1.2 niklas 237: if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == NULL) {
238: fprintf(stderr, "fstat: %s\n", buf);
1.1 deraadt 239: exit(1);
240: }
1.16 ! deraadt 241:
! 242: setegid(getgid());
! 243: setgid(getgid());
! 244:
1.1 deraadt 245: if ((p = kvm_getprocs(kd, what, arg, &cnt)) == NULL) {
246: fprintf(stderr, "fstat: %s\n", kvm_geterr(kd));
247: exit(1);
248: }
249: if (nflg)
250: printf("%s",
251: "USER CMD PID FD DEV INUM MODE SZ|DV R/W");
252: else
253: printf("%s",
254: "USER CMD PID FD MOUNT INUM MODE SZ|DV R/W");
255: if (checkfile && fsflg == 0)
256: printf(" NAME\n");
257: else
258: putchar('\n');
259:
260: for (plast = &p[cnt]; p < plast; ++p) {
261: if (p->kp_proc.p_stat == SZOMB)
262: continue;
263: dofiles(p);
264: }
265: exit(0);
266: }
267:
268: char *Uname, *Comm;
1.14 deraadt 269: pid_t Pid;
1.1 deraadt 270:
271: #define PREFIX(i) printf("%-8.8s %-10s %5d", Uname, Comm, Pid); \
272: switch(i) { \
273: case TEXT: \
274: printf(" text"); \
275: break; \
276: case CDIR: \
277: printf(" wd"); \
278: break; \
279: case RDIR: \
280: printf(" root"); \
281: break; \
282: case TRACE: \
283: printf(" tr"); \
284: break; \
285: default: \
286: printf(" %4d", i); \
287: break; \
288: }
289:
290: /*
291: * print open files attributed to this process
292: */
293: void
294: dofiles(kp)
295: struct kinfo_proc *kp;
296: {
1.11 millert 297: int i;
1.1 deraadt 298: struct file file;
299: struct filedesc0 filed0;
300: #define filed filed0.fd_fd
301: struct proc *p = &kp->kp_proc;
302: struct eproc *ep = &kp->kp_eproc;
303:
304: extern char *user_from_uid();
305:
306: Uname = user_from_uid(ep->e_ucred.cr_uid, 0);
307: Pid = p->p_pid;
308: Comm = p->p_comm;
309:
310: if (p->p_fd == NULL)
311: return;
312: if (!KVM_READ(p->p_fd, &filed0, sizeof (filed0))) {
1.11 millert 313: dprintf(stderr, "can't read filedesc at %p for pid %d\n",
1.1 deraadt 314: p->p_fd, Pid);
315: return;
316: }
317: if (filed.fd_nfiles < 0 || filed.fd_lastfile >= filed.fd_nfiles ||
318: filed.fd_freefile > filed.fd_lastfile + 1) {
1.11 millert 319: dprintf(stderr, "filedesc corrupted at %p for pid %d\n",
1.1 deraadt 320: p->p_fd, Pid);
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)) {
345: dprintf(stderr,
1.11 millert 346: "can't read file structures at %p for pid %d\n",
1.1 deraadt 347: filed.fd_ofiles, Pid);
348: return;
349: }
350: } else
351: bcopy(filed0.fd_dfiles, ofiles, (filed.fd_lastfile+1) * FPSIZE);
352: for (i = 0; i <= filed.fd_lastfile; i++) {
353: if (ofiles[i] == NULL)
354: continue;
355: if (!KVM_READ(ofiles[i], &file, sizeof (struct file))) {
1.11 millert 356: dprintf(stderr, "can't read file %d at %p for pid %d\n",
1.1 deraadt 357: i, ofiles[i], Pid);
358: continue;
359: }
360: if (file.f_type == DTYPE_VNODE)
361: vtrans((struct vnode *)file.f_data, i, file.f_flag);
362: else if (file.f_type == DTYPE_SOCKET) {
363: if (checkfile == 0)
364: socktrans((struct socket *)file.f_data, i);
365: }
366: else {
367: dprintf(stderr,
368: "unknown file type %d for file %d of pid %d\n",
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))) {
1.11 millert 387: dprintf(stderr, "can't read vnode at %p for pid %d\n",
1.1 deraadt 388: vp, Pid);
389: return;
390: }
391: if (vn.v_type == VNON || vn.v_tag == VT_NON)
392: badtype = "none";
393: else if (vn.v_type == VBAD)
394: badtype = "bad";
395: else
396: switch (vn.v_tag) {
397: case VT_UFS:
398: case VT_MFS:
399: if (!ufs_filestat(&vn, &fst))
400: badtype = "error";
401: break;
402: case VT_NFS:
403: if (!nfs_filestat(&vn, &fst))
404: badtype = "error";
405: break;
1.9 downsj 406: case VT_EXT2FS:
407: if (!ext2fs_filestat(&vn, &fst))
408: badtype = "error";
409: break;
1.14 deraadt 410: case VT_ISOFS:
411: if (!isofs_filestat(&vn, &fst))
412: badtype = "error";
413: break;
414: case VT_MSDOSFS:
415: if (!msdos_filestat(&vn, &fst))
416: badtype = "error";
417: break;
1.1 deraadt 418: default: {
1.12 deraadt 419: static char unknown[30];
1.1 deraadt 420: sprintf(badtype = unknown, "?(%x)", vn.v_tag);
1.10 deraadt 421: break;
1.1 deraadt 422: }
423: }
424: if (checkfile) {
425: int fsmatch = 0;
426: register DEVS *d;
427:
428: if (badtype)
429: return;
430: for (d = devs; d != NULL; d = d->next)
431: if (d->fsid == fst.fsid) {
432: fsmatch = 1;
433: if (d->ino == fst.fileid) {
434: filename = d->name;
435: break;
436: }
437: }
438: if (fsmatch == 0 || (filename == NULL && fsflg == 0))
439: return;
440: }
441: PREFIX(i);
442: if (badtype) {
443: (void)printf(" - - %10s -\n", badtype);
444: return;
445: }
446: if (nflg)
447: (void)printf(" %2d,%-2d", major(fst.fsid), minor(fst.fsid));
448: else
449: (void)printf(" %-8s", getmnton(vn.v_mount));
450: if (nflg)
451: (void)sprintf(mode, "%o", fst.mode);
452: else
453: strmode(fst.mode, mode);
1.11 millert 454: (void)printf(" %6ld %10s", fst.fileid, mode);
1.1 deraadt 455: switch (vn.v_type) {
456: case VBLK:
457: case VCHR: {
458: char *name;
459:
460: if (nflg || ((name = devname(fst.rdev, vn.v_type == VCHR ?
461: S_IFCHR : S_IFBLK)) == NULL))
462: printf(" %2d,%-2d", major(fst.rdev), minor(fst.rdev));
463: else
464: printf(" %6s", name);
465: break;
466: }
467: default:
1.11 millert 468: printf(" %6qd", fst.size);
1.1 deraadt 469: }
470: rw[0] = '\0';
471: if (flag & FREAD)
472: strcat(rw, "r");
473: if (flag & FWRITE)
474: strcat(rw, "w");
475: printf(" %2s", rw);
476: if (filename && !fsflg)
477: printf(" %s", filename);
478: putchar('\n');
479: }
480:
481: int
482: ufs_filestat(vp, fsp)
483: struct vnode *vp;
484: struct filestat *fsp;
485: {
486: struct inode inode;
487:
488: if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) {
1.11 millert 489: dprintf(stderr, "can't read inode at %p for pid %d\n",
1.1 deraadt 490: VTOI(vp), Pid);
491: return 0;
492: }
493: fsp->fsid = inode.i_dev & 0xffff;
494: fsp->fileid = (long)inode.i_number;
1.11 millert 495: fsp->mode = inode.i_ffs_mode;
496: fsp->size = inode.i_ffs_size;
1.9 downsj 497: fsp->rdev = inode.i_ffs_rdev;
498:
499: return 1;
500: }
501:
502: int
503: ext2fs_filestat(vp, fsp)
504: struct vnode *vp;
505: struct filestat *fsp;
506: {
507: struct inode inode;
508:
509: if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) {
1.11 millert 510: dprintf(stderr, "can't read inode at %p for pid %d\n",
1.9 downsj 511: VTOI(vp), Pid);
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))) {
532: dprintf(stderr, "can't read inode at %p for pid %d\n",
533: VTOI(vp), Pid);
534: return 0;
535: }
536: fsp->fsid = inode.i_dev & 0xffff;
537: fsp->fileid = (long)inode.i_number;
538: fsp->mode = inode.i_e2fs_mode;
539: fsp->size = inode.i_e2fs_size;
540: fsp->rdev = 0; /* XXX */
541: #endif
1.1 deraadt 542:
543: return 1;
544: }
545:
546: int
547: nfs_filestat(vp, fsp)
548: struct vnode *vp;
549: struct filestat *fsp;
550: {
551: struct nfsnode nfsnode;
552: register mode_t mode;
553:
554: if (!KVM_READ(VTONFS(vp), &nfsnode, sizeof (nfsnode))) {
1.11 millert 555: dprintf(stderr, "can't read nfsnode at %p for pid %d\n",
1.1 deraadt 556: VTONFS(vp), Pid);
557: return 0;
558: }
559: fsp->fsid = nfsnode.n_vattr.va_fsid;
560: fsp->fileid = nfsnode.n_vattr.va_fileid;
561: fsp->size = nfsnode.n_size;
562: fsp->rdev = nfsnode.n_vattr.va_rdev;
563: mode = (mode_t)nfsnode.n_vattr.va_mode;
564: switch (vp->v_type) {
565: case VREG:
566: mode |= S_IFREG;
567: break;
568: case VDIR:
569: mode |= S_IFDIR;
570: break;
571: case VBLK:
572: mode |= S_IFBLK;
573: break;
574: case VCHR:
575: mode |= S_IFCHR;
576: break;
577: case VLNK:
578: mode |= S_IFLNK;
579: break;
580: case VSOCK:
581: mode |= S_IFSOCK;
582: break;
583: case VFIFO:
584: mode |= S_IFIFO;
585: break;
586: };
587: fsp->mode = mode;
588:
589: return 1;
590: }
591:
592:
593: char *
594: getmnton(m)
595: struct mount *m;
596: {
597: static struct mount mount;
598: static struct mtab {
599: struct mtab *next;
600: struct mount *m;
601: char mntonname[MNAMELEN];
602: } *mhead = NULL;
603: register struct mtab *mt;
604:
605: for (mt = mhead; mt != NULL; mt = mt->next)
606: if (m == mt->m)
607: return (mt->mntonname);
608: if (!KVM_READ(m, &mount, sizeof(struct mount))) {
1.11 millert 609: fprintf(stderr, "can't read mount table at %p\n", m);
1.1 deraadt 610: return (NULL);
611: }
612: if ((mt = malloc(sizeof (struct mtab))) == NULL) {
613: fprintf(stderr, "fstat: %s\n", strerror(errno));
614: exit(1);
615: }
616: mt->m = m;
617: bcopy(&mount.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN);
618: mt->next = mhead;
619: mhead = mt;
620: return (mt->mntonname);
621: }
622:
623: void
624: socktrans(sock, i)
625: struct socket *sock;
626: int i;
627: {
628: static char *stypename[] = {
629: "unused", /* 0 */
630: "stream", /* 1 */
631: "dgram", /* 2 */
632: "raw", /* 3 */
633: "rdm", /* 4 */
634: "seqpak" /* 5 */
635: };
636: #define STYPEMAX 5
637: struct socket so;
638: struct protosw proto;
639: struct domain dom;
640: struct inpcb inpcb;
641: struct unpcb unpcb;
642: int len;
1.4 deraadt 643: char dname[32];
1.1 deraadt 644:
645: PREFIX(i);
646:
647: /* fill in socket */
648: if (!KVM_READ(sock, &so, sizeof(struct socket))) {
1.11 millert 649: dprintf(stderr, "can't read sock at %p\n", sock);
1.1 deraadt 650: goto bad;
651: }
652:
653: /* fill in protosw entry */
654: if (!KVM_READ(so.so_proto, &proto, sizeof(struct protosw))) {
1.11 millert 655: dprintf(stderr, "can't read protosw at %p", so.so_proto);
1.1 deraadt 656: goto bad;
657: }
658:
659: /* fill in domain */
660: if (!KVM_READ(proto.pr_domain, &dom, sizeof(struct domain))) {
1.11 millert 661: dprintf(stderr, "can't read domain at %p\n", proto.pr_domain);
1.1 deraadt 662: goto bad;
663: }
664:
665: if ((len = kvm_read(kd, (u_long)dom.dom_name, dname,
1.15 deraadt 666: sizeof(dname) - 1)) != sizeof(dname) -1) {
1.11 millert 667: dprintf(stderr, "can't read domain name at %p\n",
1.1 deraadt 668: dom.dom_name);
669: dname[0] = '\0';
670: }
671: else
672: dname[len] = '\0';
673:
674: if ((u_short)so.so_type > STYPEMAX)
675: printf("* %s ?%d", dname, so.so_type);
676: else
677: printf("* %s %s", dname, stypename[so.so_type]);
678:
679: /*
680: * protocol specific formatting
681: *
682: * Try to find interesting things to print. For tcp, the interesting
683: * thing is the address of the tcpcb, for udp and others, just the
684: * inpcb (socket pcb). For unix domain, its the address of the socket
685: * pcb and the address of the connected pcb (if connected). Otherwise
686: * just print the protocol number and address of the socket itself.
687: * The idea is not to duplicate netstat, but to make available enough
688: * information for further analysis.
689: */
690: switch(dom.dom_family) {
691: case AF_INET:
692: getinetproto(proto.pr_protocol);
1.5 deraadt 693: if (proto.pr_protocol == IPPROTO_TCP) {
694: if (so.so_pcb == NULL)
695: break;
696: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&inpcb,
697: sizeof(struct inpcb)) != sizeof(struct inpcb)) {
1.11 millert 698: dprintf(stderr, "can't read inpcb at %p\n",
1.5 deraadt 699: so.so_pcb);
700: goto bad;
701: }
1.11 millert 702: printf(" %p", inpcb.inp_ppcb);
1.5 deraadt 703: printf(" %s:%d",
704: inpcb.inp_laddr.s_addr == INADDR_ANY ? "*" :
705: inet_ntoa(inpcb.inp_laddr),
706: ntohs(inpcb.inp_lport));
707: if (inpcb.inp_fport)
1.13 deraadt 708: if (so.so_state & SS_CONNECTOUT)
709: printf(" --> ");
710: else
711: printf(" <-- ");
712: printf("%s:%d",
1.5 deraadt 713: inpcb.inp_faddr.s_addr == INADDR_ANY ? "*" :
714: inet_ntoa(inpcb.inp_faddr),
715: ntohs(inpcb.inp_fport));
716: } else if (proto.pr_protocol == IPPROTO_UDP) {
717: if (so.so_pcb == NULL)
718: break;
719: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&inpcb,
720: sizeof(struct inpcb)) != sizeof(struct inpcb)) {
1.11 millert 721: dprintf(stderr, "can't read inpcb at %p\n",
1.5 deraadt 722: so.so_pcb);
723: goto bad;
1.1 deraadt 724: }
1.5 deraadt 725: printf(" %s:%d",
726: inpcb.inp_laddr.s_addr == INADDR_ANY ? "*" :
727: inet_ntoa(inpcb.inp_laddr),
728: ntohs(inpcb.inp_lport));
729: if (inpcb.inp_fport)
1.6 deraadt 730: printf(" <-> %s:%d",
1.5 deraadt 731: inpcb.inp_faddr.s_addr == INADDR_ANY ? "*" :
732: inet_ntoa(inpcb.inp_faddr),
733: ntohs(inpcb.inp_fport));
734: } else if (so.so_pcb)
1.11 millert 735: printf(" %p", so.so_pcb);
1.1 deraadt 736: break;
737: case AF_UNIX:
738: /* print address of pcb and connected pcb */
739: if (so.so_pcb) {
1.11 millert 740: printf(" %p", so.so_pcb);
1.1 deraadt 741: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&unpcb,
742: sizeof(struct unpcb)) != sizeof(struct unpcb)){
1.11 millert 743: dprintf(stderr, "can't read unpcb at %p\n",
1.1 deraadt 744: so.so_pcb);
745: goto bad;
746: }
747: if (unpcb.unp_conn) {
748: char shoconn[4], *cp;
749:
750: cp = shoconn;
751: if (!(so.so_state & SS_CANTRCVMORE))
752: *cp++ = '<';
753: *cp++ = '-';
754: if (!(so.so_state & SS_CANTSENDMORE))
755: *cp++ = '>';
756: *cp = '\0';
1.11 millert 757: printf(" %s %p", shoconn,
758: unpcb.unp_conn);
1.1 deraadt 759: }
760: }
761: break;
762: default:
763: /* print protocol number and socket address */
1.11 millert 764: printf(" %d %p", proto.pr_protocol, sock);
1.1 deraadt 765: }
766: printf("\n");
767: return;
768: bad:
769: printf("* error\n");
770: }
771:
772: /*
773: * getinetproto --
774: * print name of protocol number
775: */
776: void
777: getinetproto(number)
778: int number;
779: {
780: char *cp;
781:
782: switch(number) {
783: case IPPROTO_IP:
784: cp = "ip"; break;
785: case IPPROTO_ICMP:
786: cp ="icmp"; break;
787: case IPPROTO_GGP:
788: cp ="ggp"; break;
789: case IPPROTO_TCP:
790: cp ="tcp"; break;
791: case IPPROTO_EGP:
792: cp ="egp"; break;
793: case IPPROTO_PUP:
794: cp ="pup"; break;
795: case IPPROTO_UDP:
796: cp ="udp"; break;
797: case IPPROTO_IDP:
798: cp ="idp"; break;
799: case IPPROTO_RAW:
800: cp ="raw"; break;
801: default:
802: printf(" %d", number);
803: return;
804: }
805: printf(" %s", cp);
806: }
807:
1.11 millert 808: int
1.1 deraadt 809: getfname(filename)
810: char *filename;
811: {
812: struct stat statbuf;
813: DEVS *cur;
814:
815: if (stat(filename, &statbuf)) {
816: fprintf(stderr, "fstat: %s: %s\n", filename, strerror(errno));
817: return(0);
818: }
819: if ((cur = malloc(sizeof(DEVS))) == NULL) {
820: fprintf(stderr, "fstat: %s\n", strerror(errno));
821: exit(1);
822: }
823: cur->next = devs;
824: devs = cur;
825:
826: cur->ino = statbuf.st_ino;
827: cur->fsid = statbuf.st_dev & 0xffff;
828: cur->name = filename;
829: return(1);
830: }
831:
832: void
833: usage()
834: {
835: (void)fprintf(stderr,
836: "usage: fstat [-fnv] [-p pid] [-u user] [-N system] [-M core] [file ...]\n");
837: exit(1);
838: }