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1.15 ! deraadt 1: /* $OpenBSD: fstat.c,v 1.14 1998/06/25 06:21:34 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";*/
1.15 ! deraadt 44: static char *rcsid = "$OpenBSD: fstat.c,v 1.14 1998/06/25 06:21:34 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: }
241: if ((p = kvm_getprocs(kd, what, arg, &cnt)) == NULL) {
242: fprintf(stderr, "fstat: %s\n", kvm_geterr(kd));
243: exit(1);
244: }
245: if (nflg)
246: printf("%s",
247: "USER CMD PID FD DEV INUM MODE SZ|DV R/W");
248: else
249: printf("%s",
250: "USER CMD PID FD MOUNT INUM MODE SZ|DV R/W");
251: if (checkfile && fsflg == 0)
252: printf(" NAME\n");
253: else
254: putchar('\n');
255:
256: for (plast = &p[cnt]; p < plast; ++p) {
257: if (p->kp_proc.p_stat == SZOMB)
258: continue;
259: dofiles(p);
260: }
261: exit(0);
262: }
263:
264: char *Uname, *Comm;
1.14 deraadt 265: pid_t Pid;
1.1 deraadt 266:
267: #define PREFIX(i) printf("%-8.8s %-10s %5d", Uname, Comm, Pid); \
268: switch(i) { \
269: case TEXT: \
270: printf(" text"); \
271: break; \
272: case CDIR: \
273: printf(" wd"); \
274: break; \
275: case RDIR: \
276: printf(" root"); \
277: break; \
278: case TRACE: \
279: printf(" tr"); \
280: break; \
281: default: \
282: printf(" %4d", i); \
283: break; \
284: }
285:
286: /*
287: * print open files attributed to this process
288: */
289: void
290: dofiles(kp)
291: struct kinfo_proc *kp;
292: {
1.11 millert 293: int i;
1.1 deraadt 294: struct file file;
295: struct filedesc0 filed0;
296: #define filed filed0.fd_fd
297: struct proc *p = &kp->kp_proc;
298: struct eproc *ep = &kp->kp_eproc;
299:
300: extern char *user_from_uid();
301:
302: Uname = user_from_uid(ep->e_ucred.cr_uid, 0);
303: Pid = p->p_pid;
304: Comm = p->p_comm;
305:
306: if (p->p_fd == NULL)
307: return;
308: if (!KVM_READ(p->p_fd, &filed0, sizeof (filed0))) {
1.11 millert 309: dprintf(stderr, "can't read filedesc at %p for pid %d\n",
1.1 deraadt 310: p->p_fd, Pid);
311: return;
312: }
313: if (filed.fd_nfiles < 0 || filed.fd_lastfile >= filed.fd_nfiles ||
314: filed.fd_freefile > filed.fd_lastfile + 1) {
1.11 millert 315: dprintf(stderr, "filedesc corrupted at %p for pid %d\n",
1.1 deraadt 316: p->p_fd, Pid);
317: return;
318: }
319: /*
320: * root directory vnode, if one
321: */
322: if (filed.fd_rdir)
323: vtrans(filed.fd_rdir, RDIR, FREAD);
324: /*
325: * current working directory vnode
326: */
327: vtrans(filed.fd_cdir, CDIR, FREAD);
328: /*
329: * ktrace vnode, if one
330: */
331: if (p->p_tracep)
332: vtrans(p->p_tracep, TRACE, FREAD|FWRITE);
333: /*
334: * open files
335: */
336: #define FPSIZE (sizeof (struct file *))
337: ALLOC_OFILES(filed.fd_lastfile+1);
338: if (filed.fd_nfiles > NDFILE) {
339: if (!KVM_READ(filed.fd_ofiles, ofiles,
340: (filed.fd_lastfile+1) * FPSIZE)) {
341: dprintf(stderr,
1.11 millert 342: "can't read file structures at %p for pid %d\n",
1.1 deraadt 343: filed.fd_ofiles, Pid);
344: return;
345: }
346: } else
347: bcopy(filed0.fd_dfiles, ofiles, (filed.fd_lastfile+1) * FPSIZE);
348: for (i = 0; i <= filed.fd_lastfile; i++) {
349: if (ofiles[i] == NULL)
350: continue;
351: if (!KVM_READ(ofiles[i], &file, sizeof (struct file))) {
1.11 millert 352: dprintf(stderr, "can't read file %d at %p for pid %d\n",
1.1 deraadt 353: i, ofiles[i], Pid);
354: continue;
355: }
356: if (file.f_type == DTYPE_VNODE)
357: vtrans((struct vnode *)file.f_data, i, file.f_flag);
358: else if (file.f_type == DTYPE_SOCKET) {
359: if (checkfile == 0)
360: socktrans((struct socket *)file.f_data, i);
361: }
362: else {
363: dprintf(stderr,
364: "unknown file type %d for file %d of pid %d\n",
365: file.f_type, i, Pid);
366: }
367: }
368: }
369:
370: void
371: vtrans(vp, i, flag)
372: struct vnode *vp;
373: int i;
374: int flag;
375: {
376: struct vnode vn;
377: struct filestat fst;
1.12 deraadt 378: char rw[3], mode[17];
1.1 deraadt 379: char *badtype = NULL, *filename, *getmnton();
380:
381: filename = badtype = NULL;
382: if (!KVM_READ(vp, &vn, sizeof (struct vnode))) {
1.11 millert 383: dprintf(stderr, "can't read vnode at %p for pid %d\n",
1.1 deraadt 384: vp, Pid);
385: return;
386: }
387: if (vn.v_type == VNON || vn.v_tag == VT_NON)
388: badtype = "none";
389: else if (vn.v_type == VBAD)
390: badtype = "bad";
391: else
392: switch (vn.v_tag) {
393: case VT_UFS:
394: case VT_MFS:
395: if (!ufs_filestat(&vn, &fst))
396: badtype = "error";
397: break;
398: case VT_NFS:
399: if (!nfs_filestat(&vn, &fst))
400: badtype = "error";
401: break;
1.9 downsj 402: case VT_EXT2FS:
403: if (!ext2fs_filestat(&vn, &fst))
404: badtype = "error";
405: break;
1.14 deraadt 406: case VT_ISOFS:
407: if (!isofs_filestat(&vn, &fst))
408: badtype = "error";
409: break;
410: case VT_MSDOSFS:
411: if (!msdos_filestat(&vn, &fst))
412: badtype = "error";
413: break;
1.1 deraadt 414: default: {
1.12 deraadt 415: static char unknown[30];
1.1 deraadt 416: sprintf(badtype = unknown, "?(%x)", vn.v_tag);
1.10 deraadt 417: break;
1.1 deraadt 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);
1.11 millert 450: (void)printf(" %6ld %10s", fst.fileid, mode);
1.1 deraadt 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:
1.11 millert 464: printf(" %6qd", fst.size);
1.1 deraadt 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))) {
1.11 millert 485: dprintf(stderr, "can't read inode at %p for pid %d\n",
1.1 deraadt 486: VTOI(vp), Pid);
487: return 0;
488: }
489: fsp->fsid = inode.i_dev & 0xffff;
490: fsp->fileid = (long)inode.i_number;
1.11 millert 491: fsp->mode = inode.i_ffs_mode;
492: fsp->size = inode.i_ffs_size;
1.9 downsj 493: fsp->rdev = inode.i_ffs_rdev;
494:
495: return 1;
496: }
497:
498: int
499: ext2fs_filestat(vp, fsp)
500: struct vnode *vp;
501: struct filestat *fsp;
502: {
503: struct inode inode;
504:
505: if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) {
1.11 millert 506: dprintf(stderr, "can't read inode at %p for pid %d\n",
1.9 downsj 507: VTOI(vp), Pid);
508: return 0;
509: }
510: fsp->fsid = inode.i_dev & 0xffff;
511: fsp->fileid = (long)inode.i_number;
1.11 millert 512: fsp->mode = inode.i_e2fs_mode;
513: fsp->size = inode.i_e2fs_size;
1.9 downsj 514: fsp->rdev = 0; /* XXX */
1.14 deraadt 515:
516: return 1;
517: }
518:
519: int
520: msdos_filestat(vp, fsp)
521: struct vnode *vp;
522: struct filestat *fsp;
523: {
524: #if 0
525: struct inode inode;
526:
527: if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) {
528: dprintf(stderr, "can't read inode at %p for pid %d\n",
529: VTOI(vp), Pid);
530: return 0;
531: }
532: fsp->fsid = inode.i_dev & 0xffff;
533: fsp->fileid = (long)inode.i_number;
534: fsp->mode = inode.i_e2fs_mode;
535: fsp->size = inode.i_e2fs_size;
536: fsp->rdev = 0; /* XXX */
537: #endif
1.1 deraadt 538:
539: return 1;
540: }
541:
542: int
543: nfs_filestat(vp, fsp)
544: struct vnode *vp;
545: struct filestat *fsp;
546: {
547: struct nfsnode nfsnode;
548: register mode_t mode;
549:
550: if (!KVM_READ(VTONFS(vp), &nfsnode, sizeof (nfsnode))) {
1.11 millert 551: dprintf(stderr, "can't read nfsnode at %p for pid %d\n",
1.1 deraadt 552: VTONFS(vp), Pid);
553: return 0;
554: }
555: fsp->fsid = nfsnode.n_vattr.va_fsid;
556: fsp->fileid = nfsnode.n_vattr.va_fileid;
557: fsp->size = nfsnode.n_size;
558: fsp->rdev = nfsnode.n_vattr.va_rdev;
559: mode = (mode_t)nfsnode.n_vattr.va_mode;
560: switch (vp->v_type) {
561: case VREG:
562: mode |= S_IFREG;
563: break;
564: case VDIR:
565: mode |= S_IFDIR;
566: break;
567: case VBLK:
568: mode |= S_IFBLK;
569: break;
570: case VCHR:
571: mode |= S_IFCHR;
572: break;
573: case VLNK:
574: mode |= S_IFLNK;
575: break;
576: case VSOCK:
577: mode |= S_IFSOCK;
578: break;
579: case VFIFO:
580: mode |= S_IFIFO;
581: break;
582: };
583: fsp->mode = mode;
584:
585: return 1;
586: }
587:
588:
589: char *
590: getmnton(m)
591: struct mount *m;
592: {
593: static struct mount mount;
594: static struct mtab {
595: struct mtab *next;
596: struct mount *m;
597: char mntonname[MNAMELEN];
598: } *mhead = NULL;
599: register struct mtab *mt;
600:
601: for (mt = mhead; mt != NULL; mt = mt->next)
602: if (m == mt->m)
603: return (mt->mntonname);
604: if (!KVM_READ(m, &mount, sizeof(struct mount))) {
1.11 millert 605: fprintf(stderr, "can't read mount table at %p\n", m);
1.1 deraadt 606: return (NULL);
607: }
608: if ((mt = malloc(sizeof (struct mtab))) == NULL) {
609: fprintf(stderr, "fstat: %s\n", strerror(errno));
610: exit(1);
611: }
612: mt->m = m;
613: bcopy(&mount.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN);
614: mt->next = mhead;
615: mhead = mt;
616: return (mt->mntonname);
617: }
618:
619: void
620: socktrans(sock, i)
621: struct socket *sock;
622: int i;
623: {
624: static char *stypename[] = {
625: "unused", /* 0 */
626: "stream", /* 1 */
627: "dgram", /* 2 */
628: "raw", /* 3 */
629: "rdm", /* 4 */
630: "seqpak" /* 5 */
631: };
632: #define STYPEMAX 5
633: struct socket so;
634: struct protosw proto;
635: struct domain dom;
636: struct inpcb inpcb;
637: struct unpcb unpcb;
638: int len;
1.4 deraadt 639: char dname[32];
1.1 deraadt 640:
641: PREFIX(i);
642:
643: /* fill in socket */
644: if (!KVM_READ(sock, &so, sizeof(struct socket))) {
1.11 millert 645: dprintf(stderr, "can't read sock at %p\n", sock);
1.1 deraadt 646: goto bad;
647: }
648:
649: /* fill in protosw entry */
650: if (!KVM_READ(so.so_proto, &proto, sizeof(struct protosw))) {
1.11 millert 651: dprintf(stderr, "can't read protosw at %p", so.so_proto);
1.1 deraadt 652: goto bad;
653: }
654:
655: /* fill in domain */
656: if (!KVM_READ(proto.pr_domain, &dom, sizeof(struct domain))) {
1.11 millert 657: dprintf(stderr, "can't read domain at %p\n", proto.pr_domain);
1.1 deraadt 658: goto bad;
659: }
660:
661: if ((len = kvm_read(kd, (u_long)dom.dom_name, dname,
1.15 ! deraadt 662: sizeof(dname) - 1)) != sizeof(dname) -1) {
1.11 millert 663: dprintf(stderr, "can't read domain name at %p\n",
1.1 deraadt 664: dom.dom_name);
665: dname[0] = '\0';
666: }
667: else
668: dname[len] = '\0';
669:
670: if ((u_short)so.so_type > STYPEMAX)
671: printf("* %s ?%d", dname, so.so_type);
672: else
673: printf("* %s %s", dname, stypename[so.so_type]);
674:
675: /*
676: * protocol specific formatting
677: *
678: * Try to find interesting things to print. For tcp, the interesting
679: * thing is the address of the tcpcb, for udp and others, just the
680: * inpcb (socket pcb). For unix domain, its the address of the socket
681: * pcb and the address of the connected pcb (if connected). Otherwise
682: * just print the protocol number and address of the socket itself.
683: * The idea is not to duplicate netstat, but to make available enough
684: * information for further analysis.
685: */
686: switch(dom.dom_family) {
687: case AF_INET:
688: getinetproto(proto.pr_protocol);
1.5 deraadt 689: if (proto.pr_protocol == IPPROTO_TCP) {
690: if (so.so_pcb == NULL)
691: break;
692: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&inpcb,
693: sizeof(struct inpcb)) != sizeof(struct inpcb)) {
1.11 millert 694: dprintf(stderr, "can't read inpcb at %p\n",
1.5 deraadt 695: so.so_pcb);
696: goto bad;
697: }
1.11 millert 698: printf(" %p", inpcb.inp_ppcb);
1.5 deraadt 699: printf(" %s:%d",
700: inpcb.inp_laddr.s_addr == INADDR_ANY ? "*" :
701: inet_ntoa(inpcb.inp_laddr),
702: ntohs(inpcb.inp_lport));
703: if (inpcb.inp_fport)
1.13 deraadt 704: if (so.so_state & SS_CONNECTOUT)
705: printf(" --> ");
706: else
707: printf(" <-- ");
708: printf("%s:%d",
1.5 deraadt 709: inpcb.inp_faddr.s_addr == INADDR_ANY ? "*" :
710: inet_ntoa(inpcb.inp_faddr),
711: ntohs(inpcb.inp_fport));
712: } else if (proto.pr_protocol == IPPROTO_UDP) {
713: if (so.so_pcb == NULL)
714: break;
715: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&inpcb,
716: sizeof(struct inpcb)) != sizeof(struct inpcb)) {
1.11 millert 717: dprintf(stderr, "can't read inpcb at %p\n",
1.5 deraadt 718: so.so_pcb);
719: goto bad;
1.1 deraadt 720: }
1.5 deraadt 721: printf(" %s:%d",
722: inpcb.inp_laddr.s_addr == INADDR_ANY ? "*" :
723: inet_ntoa(inpcb.inp_laddr),
724: ntohs(inpcb.inp_lport));
725: if (inpcb.inp_fport)
1.6 deraadt 726: printf(" <-> %s:%d",
1.5 deraadt 727: inpcb.inp_faddr.s_addr == INADDR_ANY ? "*" :
728: inet_ntoa(inpcb.inp_faddr),
729: ntohs(inpcb.inp_fport));
730: } else if (so.so_pcb)
1.11 millert 731: printf(" %p", so.so_pcb);
1.1 deraadt 732: break;
733: case AF_UNIX:
734: /* print address of pcb and connected pcb */
735: if (so.so_pcb) {
1.11 millert 736: printf(" %p", so.so_pcb);
1.1 deraadt 737: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&unpcb,
738: sizeof(struct unpcb)) != sizeof(struct unpcb)){
1.11 millert 739: dprintf(stderr, "can't read unpcb at %p\n",
1.1 deraadt 740: so.so_pcb);
741: goto bad;
742: }
743: if (unpcb.unp_conn) {
744: char shoconn[4], *cp;
745:
746: cp = shoconn;
747: if (!(so.so_state & SS_CANTRCVMORE))
748: *cp++ = '<';
749: *cp++ = '-';
750: if (!(so.so_state & SS_CANTSENDMORE))
751: *cp++ = '>';
752: *cp = '\0';
1.11 millert 753: printf(" %s %p", shoconn,
754: unpcb.unp_conn);
1.1 deraadt 755: }
756: }
757: break;
758: default:
759: /* print protocol number and socket address */
1.11 millert 760: printf(" %d %p", proto.pr_protocol, sock);
1.1 deraadt 761: }
762: printf("\n");
763: return;
764: bad:
765: printf("* error\n");
766: }
767:
768: /*
769: * getinetproto --
770: * print name of protocol number
771: */
772: void
773: getinetproto(number)
774: int number;
775: {
776: char *cp;
777:
778: switch(number) {
779: case IPPROTO_IP:
780: cp = "ip"; break;
781: case IPPROTO_ICMP:
782: cp ="icmp"; break;
783: case IPPROTO_GGP:
784: cp ="ggp"; break;
785: case IPPROTO_TCP:
786: cp ="tcp"; break;
787: case IPPROTO_EGP:
788: cp ="egp"; break;
789: case IPPROTO_PUP:
790: cp ="pup"; break;
791: case IPPROTO_UDP:
792: cp ="udp"; break;
793: case IPPROTO_IDP:
794: cp ="idp"; break;
795: case IPPROTO_RAW:
796: cp ="raw"; break;
797: default:
798: printf(" %d", number);
799: return;
800: }
801: printf(" %s", cp);
802: }
803:
1.11 millert 804: int
1.1 deraadt 805: getfname(filename)
806: char *filename;
807: {
808: struct stat statbuf;
809: DEVS *cur;
810:
811: if (stat(filename, &statbuf)) {
812: fprintf(stderr, "fstat: %s: %s\n", filename, strerror(errno));
813: return(0);
814: }
815: if ((cur = malloc(sizeof(DEVS))) == NULL) {
816: fprintf(stderr, "fstat: %s\n", strerror(errno));
817: exit(1);
818: }
819: cur->next = devs;
820: devs = cur;
821:
822: cur->ino = statbuf.st_ino;
823: cur->fsid = statbuf.st_dev & 0xffff;
824: cur->name = filename;
825: return(1);
826: }
827:
828: void
829: usage()
830: {
831: (void)fprintf(stderr,
832: "usage: fstat [-fnv] [-p pid] [-u user] [-N system] [-M core] [file ...]\n");
833: exit(1);
834: }