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1.8 ! millert 1: /* $OpenBSD: fstat.c,v 1.7 1996/12/22 03:25:52 tholo 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";*/
1.8 ! millert 44: static char *rcsid = "$OpenBSD: fstat.c,v 1.7 1996/12/22 03:25:52 tholo 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>
91:
92: #define TEXT -1
93: #define CDIR -2
94: #define RDIR -3
95: #define TRACE -4
96:
97: typedef struct devs {
98: struct devs *next;
99: long fsid;
100: ino_t ino;
101: char *name;
102: } DEVS;
103: DEVS *devs;
104:
105: struct filestat {
106: long fsid;
107: long fileid;
108: mode_t mode;
109: u_long size;
110: dev_t rdev;
111: };
112:
113: #ifdef notdef
114: struct nlist nl[] = {
115: { "" },
116: };
117: #endif
118:
119: int fsflg, /* show files on same filesystem as file(s) argument */
120: pflg, /* show files open by a particular pid */
121: uflg; /* show files open by a particular (effective) user */
122: int checkfile; /* true if restricting to particular files or filesystems */
123: int nflg; /* (numerical) display f.s. and rdev as dev_t */
124: int vflg; /* display errors in locating kernel data objects etc... */
125:
126: #define dprintf if (vflg) fprintf
127:
128: struct file **ofiles; /* buffer of pointers to file structures */
129: int maxfiles;
130: #define ALLOC_OFILES(d) \
131: if ((d) > maxfiles) { \
132: free(ofiles); \
133: ofiles = malloc((d) * sizeof(struct file *)); \
134: if (ofiles == NULL) { \
135: fprintf(stderr, "fstat: %s\n", strerror(errno)); \
136: exit(1); \
137: } \
138: maxfiles = (d); \
139: }
140:
141: /*
142: * a kvm_read that returns true if everything is read
143: */
144: #define KVM_READ(kaddr, paddr, len) \
145: (kvm_read(kd, (u_long)(kaddr), (char *)(paddr), (len)) == (len))
146:
147: kvm_t *kd;
148:
149: int ufs_filestat(), nfs_filestat();
150: void dofiles(), getinetproto(), socktrans();
151: void usage(), vtrans();
152:
153: main(argc, argv)
154: int argc;
155: char **argv;
156: {
157: extern char *optarg;
158: extern int optind;
159: register struct passwd *passwd;
160: struct kinfo_proc *p, *plast;
161: int arg, ch, what;
162: char *memf, *nlistf;
1.2 niklas 163: char buf[_POSIX2_LINE_MAX];
1.1 deraadt 164: int cnt;
165:
166: arg = 0;
167: what = KERN_PROC_ALL;
168: nlistf = memf = NULL;
1.8 ! millert 169: while ((ch = getopt(argc, argv, "fnp:u:vN:M:")) != -1)
1.1 deraadt 170: switch((char)ch) {
171: case 'f':
172: fsflg = 1;
173: break;
174: case 'M':
175: memf = optarg;
176: break;
177: case 'N':
178: nlistf = optarg;
179: break;
180: case 'n':
181: nflg = 1;
182: break;
183: case 'p':
184: if (pflg++)
185: usage();
186: if (!isdigit(*optarg)) {
187: fprintf(stderr,
188: "fstat: -p requires a process id\n");
189: usage();
190: }
191: what = KERN_PROC_PID;
192: arg = atoi(optarg);
193: break;
194: case 'u':
195: if (uflg++)
196: usage();
197: if (!(passwd = getpwnam(optarg))) {
198: fprintf(stderr, "%s: unknown uid\n",
199: optarg);
200: exit(1);
201: }
202: what = KERN_PROC_UID;
203: arg = passwd->pw_uid;
204: break;
205: case 'v':
206: vflg = 1;
207: break;
208: case '?':
209: default:
210: usage();
211: }
212:
213: if (*(argv += optind)) {
214: for (; *argv; ++argv) {
215: if (getfname(*argv))
216: checkfile = 1;
217: }
218: if (!checkfile) /* file(s) specified, but none accessable */
219: exit(1);
220: }
221:
222: ALLOC_OFILES(256); /* reserve space for file pointers */
223:
224: if (fsflg && !checkfile) {
225: /* -f with no files means use wd */
226: if (getfname(".") == 0)
227: exit(1);
228: checkfile = 1;
229: }
230:
231: /*
232: * Discard setgid privileges if not the running kernel so that bad
233: * guys can't print interesting stuff from kernel memory.
234: */
1.7 tholo 235: if (nlistf != NULL || memf != NULL) {
236: setegid(getgid());
1.1 deraadt 237: setgid(getgid());
1.7 tholo 238: }
1.1 deraadt 239:
1.2 niklas 240: if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == NULL) {
241: fprintf(stderr, "fstat: %s\n", buf);
1.1 deraadt 242: exit(1);
243: }
244: #ifdef notdef
245: if (kvm_nlist(kd, nl) != 0) {
246: fprintf(stderr, "fstat: no namelist: %s\n", kvm_geterr(kd));
247: exit(1);
248: }
249: #endif
250: if ((p = kvm_getprocs(kd, what, arg, &cnt)) == NULL) {
251: fprintf(stderr, "fstat: %s\n", kvm_geterr(kd));
252: exit(1);
253: }
254: if (nflg)
255: printf("%s",
256: "USER CMD PID FD DEV INUM MODE SZ|DV R/W");
257: else
258: printf("%s",
259: "USER CMD PID FD MOUNT INUM MODE SZ|DV R/W");
260: if (checkfile && fsflg == 0)
261: printf(" NAME\n");
262: else
263: putchar('\n');
264:
265: for (plast = &p[cnt]; p < plast; ++p) {
266: if (p->kp_proc.p_stat == SZOMB)
267: continue;
268: dofiles(p);
269: }
270: exit(0);
271: }
272:
273: char *Uname, *Comm;
274: int Pid;
275:
276: #define PREFIX(i) printf("%-8.8s %-10s %5d", Uname, Comm, Pid); \
277: switch(i) { \
278: case TEXT: \
279: printf(" text"); \
280: break; \
281: case CDIR: \
282: printf(" wd"); \
283: break; \
284: case RDIR: \
285: printf(" root"); \
286: break; \
287: case TRACE: \
288: printf(" tr"); \
289: break; \
290: default: \
291: printf(" %4d", i); \
292: break; \
293: }
294:
295: /*
296: * print open files attributed to this process
297: */
298: void
299: dofiles(kp)
300: struct kinfo_proc *kp;
301: {
302: int i, last;
303: struct file file;
304: struct filedesc0 filed0;
305: #define filed filed0.fd_fd
306: struct proc *p = &kp->kp_proc;
307: struct eproc *ep = &kp->kp_eproc;
308:
309: extern char *user_from_uid();
310:
311: Uname = user_from_uid(ep->e_ucred.cr_uid, 0);
312: Pid = p->p_pid;
313: Comm = p->p_comm;
314:
315: if (p->p_fd == NULL)
316: return;
317: if (!KVM_READ(p->p_fd, &filed0, sizeof (filed0))) {
318: dprintf(stderr, "can't read filedesc at %x for pid %d\n",
319: p->p_fd, Pid);
320: return;
321: }
322: if (filed.fd_nfiles < 0 || filed.fd_lastfile >= filed.fd_nfiles ||
323: filed.fd_freefile > filed.fd_lastfile + 1) {
324: dprintf(stderr, "filedesc corrupted at %x for pid %d\n",
325: p->p_fd, Pid);
326: return;
327: }
328: /*
329: * root directory vnode, if one
330: */
331: if (filed.fd_rdir)
332: vtrans(filed.fd_rdir, RDIR, FREAD);
333: /*
334: * current working directory vnode
335: */
336: vtrans(filed.fd_cdir, CDIR, FREAD);
337: /*
338: * ktrace vnode, if one
339: */
340: if (p->p_tracep)
341: vtrans(p->p_tracep, TRACE, FREAD|FWRITE);
342: /*
343: * open files
344: */
345: #define FPSIZE (sizeof (struct file *))
346: ALLOC_OFILES(filed.fd_lastfile+1);
347: if (filed.fd_nfiles > NDFILE) {
348: if (!KVM_READ(filed.fd_ofiles, ofiles,
349: (filed.fd_lastfile+1) * FPSIZE)) {
350: dprintf(stderr,
351: "can't read file structures at %x for pid %d\n",
352: filed.fd_ofiles, Pid);
353: return;
354: }
355: } else
356: bcopy(filed0.fd_dfiles, ofiles, (filed.fd_lastfile+1) * FPSIZE);
357: for (i = 0; i <= filed.fd_lastfile; i++) {
358: if (ofiles[i] == NULL)
359: continue;
360: if (!KVM_READ(ofiles[i], &file, sizeof (struct file))) {
361: dprintf(stderr, "can't read file %d at %x for pid %d\n",
362: i, ofiles[i], Pid);
363: continue;
364: }
365: if (file.f_type == DTYPE_VNODE)
366: vtrans((struct vnode *)file.f_data, i, file.f_flag);
367: else if (file.f_type == DTYPE_SOCKET) {
368: if (checkfile == 0)
369: socktrans((struct socket *)file.f_data, i);
370: }
371: else {
372: dprintf(stderr,
373: "unknown file type %d for file %d of pid %d\n",
374: file.f_type, i, Pid);
375: }
376: }
377: }
378:
379: void
380: vtrans(vp, i, flag)
381: struct vnode *vp;
382: int i;
383: int flag;
384: {
385: struct vnode vn;
386: struct filestat fst;
387: char rw[3], mode[15];
388: char *badtype = NULL, *filename, *getmnton();
389:
390: filename = badtype = NULL;
391: if (!KVM_READ(vp, &vn, sizeof (struct vnode))) {
392: dprintf(stderr, "can't read vnode at %x for pid %d\n",
393: vp, Pid);
394: return;
395: }
396: if (vn.v_type == VNON || vn.v_tag == VT_NON)
397: badtype = "none";
398: else if (vn.v_type == VBAD)
399: badtype = "bad";
400: else
401: switch (vn.v_tag) {
402: case VT_UFS:
403: if (!ufs_filestat(&vn, &fst))
404: badtype = "error";
405: break;
406: case VT_MFS:
407: if (!ufs_filestat(&vn, &fst))
408: badtype = "error";
409: break;
410: case VT_NFS:
411: if (!nfs_filestat(&vn, &fst))
412: badtype = "error";
413: break;
414: default: {
1.4 deraadt 415: static char unknown[20];
1.1 deraadt 416: sprintf(badtype = unknown, "?(%x)", vn.v_tag);
417: break;;
418: }
419: }
420: if (checkfile) {
421: int fsmatch = 0;
422: register DEVS *d;
423:
424: if (badtype)
425: return;
426: for (d = devs; d != NULL; d = d->next)
427: if (d->fsid == fst.fsid) {
428: fsmatch = 1;
429: if (d->ino == fst.fileid) {
430: filename = d->name;
431: break;
432: }
433: }
434: if (fsmatch == 0 || (filename == NULL && fsflg == 0))
435: return;
436: }
437: PREFIX(i);
438: if (badtype) {
439: (void)printf(" - - %10s -\n", badtype);
440: return;
441: }
442: if (nflg)
443: (void)printf(" %2d,%-2d", major(fst.fsid), minor(fst.fsid));
444: else
445: (void)printf(" %-8s", getmnton(vn.v_mount));
446: if (nflg)
447: (void)sprintf(mode, "%o", fst.mode);
448: else
449: strmode(fst.mode, mode);
450: (void)printf(" %6d %10s", fst.fileid, mode);
451: switch (vn.v_type) {
452: case VBLK:
453: case VCHR: {
454: char *name;
455:
456: if (nflg || ((name = devname(fst.rdev, vn.v_type == VCHR ?
457: S_IFCHR : S_IFBLK)) == NULL))
458: printf(" %2d,%-2d", major(fst.rdev), minor(fst.rdev));
459: else
460: printf(" %6s", name);
461: break;
462: }
463: default:
464: printf(" %6d", fst.size);
465: }
466: rw[0] = '\0';
467: if (flag & FREAD)
468: strcat(rw, "r");
469: if (flag & FWRITE)
470: strcat(rw, "w");
471: printf(" %2s", rw);
472: if (filename && !fsflg)
473: printf(" %s", filename);
474: putchar('\n');
475: }
476:
477: int
478: ufs_filestat(vp, fsp)
479: struct vnode *vp;
480: struct filestat *fsp;
481: {
482: struct inode inode;
483:
484: if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) {
485: dprintf(stderr, "can't read inode at %x for pid %d\n",
486: VTOI(vp), Pid);
487: return 0;
488: }
489: fsp->fsid = inode.i_dev & 0xffff;
490: fsp->fileid = (long)inode.i_number;
491: fsp->mode = (mode_t)inode.i_mode;
492: fsp->size = (u_long)inode.i_size;
493: fsp->rdev = inode.i_rdev;
494:
495: return 1;
496: }
497:
498: int
499: nfs_filestat(vp, fsp)
500: struct vnode *vp;
501: struct filestat *fsp;
502: {
503: struct nfsnode nfsnode;
504: register mode_t mode;
505:
506: if (!KVM_READ(VTONFS(vp), &nfsnode, sizeof (nfsnode))) {
507: dprintf(stderr, "can't read nfsnode at %x for pid %d\n",
508: VTONFS(vp), Pid);
509: return 0;
510: }
511: fsp->fsid = nfsnode.n_vattr.va_fsid;
512: fsp->fileid = nfsnode.n_vattr.va_fileid;
513: fsp->size = nfsnode.n_size;
514: fsp->rdev = nfsnode.n_vattr.va_rdev;
515: mode = (mode_t)nfsnode.n_vattr.va_mode;
516: switch (vp->v_type) {
517: case VREG:
518: mode |= S_IFREG;
519: break;
520: case VDIR:
521: mode |= S_IFDIR;
522: break;
523: case VBLK:
524: mode |= S_IFBLK;
525: break;
526: case VCHR:
527: mode |= S_IFCHR;
528: break;
529: case VLNK:
530: mode |= S_IFLNK;
531: break;
532: case VSOCK:
533: mode |= S_IFSOCK;
534: break;
535: case VFIFO:
536: mode |= S_IFIFO;
537: break;
538: };
539: fsp->mode = mode;
540:
541: return 1;
542: }
543:
544:
545: char *
546: getmnton(m)
547: struct mount *m;
548: {
549: static struct mount mount;
550: static struct mtab {
551: struct mtab *next;
552: struct mount *m;
553: char mntonname[MNAMELEN];
554: } *mhead = NULL;
555: register struct mtab *mt;
556:
557: for (mt = mhead; mt != NULL; mt = mt->next)
558: if (m == mt->m)
559: return (mt->mntonname);
560: if (!KVM_READ(m, &mount, sizeof(struct mount))) {
561: fprintf(stderr, "can't read mount table at %x\n", m);
562: return (NULL);
563: }
564: if ((mt = malloc(sizeof (struct mtab))) == NULL) {
565: fprintf(stderr, "fstat: %s\n", strerror(errno));
566: exit(1);
567: }
568: mt->m = m;
569: bcopy(&mount.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN);
570: mt->next = mhead;
571: mhead = mt;
572: return (mt->mntonname);
573: }
574:
575: void
576: socktrans(sock, i)
577: struct socket *sock;
578: int i;
579: {
580: static char *stypename[] = {
581: "unused", /* 0 */
582: "stream", /* 1 */
583: "dgram", /* 2 */
584: "raw", /* 3 */
585: "rdm", /* 4 */
586: "seqpak" /* 5 */
587: };
588: #define STYPEMAX 5
589: struct socket so;
590: struct protosw proto;
591: struct domain dom;
592: struct inpcb inpcb;
593: struct unpcb unpcb;
594: int len;
1.4 deraadt 595: char dname[32];
1.1 deraadt 596:
597: PREFIX(i);
598:
599: /* fill in socket */
600: if (!KVM_READ(sock, &so, sizeof(struct socket))) {
601: dprintf(stderr, "can't read sock at %x\n", sock);
602: goto bad;
603: }
604:
605: /* fill in protosw entry */
606: if (!KVM_READ(so.so_proto, &proto, sizeof(struct protosw))) {
607: dprintf(stderr, "can't read protosw at %x", so.so_proto);
608: goto bad;
609: }
610:
611: /* fill in domain */
612: if (!KVM_READ(proto.pr_domain, &dom, sizeof(struct domain))) {
613: dprintf(stderr, "can't read domain at %x\n", proto.pr_domain);
614: goto bad;
615: }
616:
617: if ((len = kvm_read(kd, (u_long)dom.dom_name, dname,
618: sizeof(dname) - 1)) < 0) {
619: dprintf(stderr, "can't read domain name at %x\n",
620: dom.dom_name);
621: dname[0] = '\0';
622: }
623: else
624: dname[len] = '\0';
625:
626: if ((u_short)so.so_type > STYPEMAX)
627: printf("* %s ?%d", dname, so.so_type);
628: else
629: printf("* %s %s", dname, stypename[so.so_type]);
630:
631: /*
632: * protocol specific formatting
633: *
634: * Try to find interesting things to print. For tcp, the interesting
635: * thing is the address of the tcpcb, for udp and others, just the
636: * inpcb (socket pcb). For unix domain, its the address of the socket
637: * pcb and the address of the connected pcb (if connected). Otherwise
638: * just print the protocol number and address of the socket itself.
639: * The idea is not to duplicate netstat, but to make available enough
640: * information for further analysis.
641: */
642: switch(dom.dom_family) {
643: case AF_INET:
644: getinetproto(proto.pr_protocol);
1.5 deraadt 645: if (proto.pr_protocol == IPPROTO_TCP) {
646: if (so.so_pcb == NULL)
647: break;
648: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&inpcb,
649: sizeof(struct inpcb)) != sizeof(struct inpcb)) {
650: dprintf(stderr, "can't read inpcb at %x\n",
651: so.so_pcb);
652: goto bad;
653: }
654: printf(" %lx", (long)inpcb.inp_ppcb);
655: printf(" %s:%d",
656: inpcb.inp_laddr.s_addr == INADDR_ANY ? "*" :
657: inet_ntoa(inpcb.inp_laddr),
658: ntohs(inpcb.inp_lport));
659: if (inpcb.inp_fport)
1.6 deraadt 660: printf(" <-> %s:%d",
1.5 deraadt 661: inpcb.inp_faddr.s_addr == INADDR_ANY ? "*" :
662: inet_ntoa(inpcb.inp_faddr),
663: ntohs(inpcb.inp_fport));
664: } else if (proto.pr_protocol == IPPROTO_UDP) {
665: if (so.so_pcb == NULL)
666: break;
667: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&inpcb,
668: sizeof(struct inpcb)) != sizeof(struct inpcb)) {
669: dprintf(stderr, "can't read inpcb at %x\n",
670: so.so_pcb);
671: goto bad;
1.1 deraadt 672: }
1.5 deraadt 673: printf(" %s:%d",
674: inpcb.inp_laddr.s_addr == INADDR_ANY ? "*" :
675: inet_ntoa(inpcb.inp_laddr),
676: ntohs(inpcb.inp_lport));
677: if (inpcb.inp_fport)
1.6 deraadt 678: printf(" <-> %s:%d",
1.5 deraadt 679: inpcb.inp_faddr.s_addr == INADDR_ANY ? "*" :
680: inet_ntoa(inpcb.inp_faddr),
681: ntohs(inpcb.inp_fport));
682: } else if (so.so_pcb)
1.1 deraadt 683: printf(" %lx", (long)so.so_pcb);
684: break;
685: case AF_UNIX:
686: /* print address of pcb and connected pcb */
687: if (so.so_pcb) {
688: printf(" %lx", (long)so.so_pcb);
689: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&unpcb,
690: sizeof(struct unpcb)) != sizeof(struct unpcb)){
691: dprintf(stderr, "can't read unpcb at %x\n",
692: so.so_pcb);
693: goto bad;
694: }
695: if (unpcb.unp_conn) {
696: char shoconn[4], *cp;
697:
698: cp = shoconn;
699: if (!(so.so_state & SS_CANTRCVMORE))
700: *cp++ = '<';
701: *cp++ = '-';
702: if (!(so.so_state & SS_CANTSENDMORE))
703: *cp++ = '>';
704: *cp = '\0';
705: printf(" %s %lx", shoconn,
706: (long)unpcb.unp_conn);
707: }
708: }
709: break;
710: default:
711: /* print protocol number and socket address */
712: printf(" %d %lx", proto.pr_protocol, (long)sock);
713: }
714: printf("\n");
715: return;
716: bad:
717: printf("* error\n");
718: }
719:
720: /*
721: * getinetproto --
722: * print name of protocol number
723: */
724: void
725: getinetproto(number)
726: int number;
727: {
728: char *cp;
729:
730: switch(number) {
731: case IPPROTO_IP:
732: cp = "ip"; break;
733: case IPPROTO_ICMP:
734: cp ="icmp"; break;
735: case IPPROTO_GGP:
736: cp ="ggp"; break;
737: case IPPROTO_TCP:
738: cp ="tcp"; break;
739: case IPPROTO_EGP:
740: cp ="egp"; break;
741: case IPPROTO_PUP:
742: cp ="pup"; break;
743: case IPPROTO_UDP:
744: cp ="udp"; break;
745: case IPPROTO_IDP:
746: cp ="idp"; break;
747: case IPPROTO_RAW:
748: cp ="raw"; break;
749: default:
750: printf(" %d", number);
751: return;
752: }
753: printf(" %s", cp);
754: }
755:
756: getfname(filename)
757: char *filename;
758: {
759: struct stat statbuf;
760: DEVS *cur;
761:
762: if (stat(filename, &statbuf)) {
763: fprintf(stderr, "fstat: %s: %s\n", filename, strerror(errno));
764: return(0);
765: }
766: if ((cur = malloc(sizeof(DEVS))) == NULL) {
767: fprintf(stderr, "fstat: %s\n", strerror(errno));
768: exit(1);
769: }
770: cur->next = devs;
771: devs = cur;
772:
773: cur->ino = statbuf.st_ino;
774: cur->fsid = statbuf.st_dev & 0xffff;
775: cur->name = filename;
776: return(1);
777: }
778:
779: void
780: usage()
781: {
782: (void)fprintf(stderr,
783: "usage: fstat [-fnv] [-p pid] [-u user] [-N system] [-M core] [file ...]\n");
784: exit(1);
785: }