Annotation of src/usr.bin/fstat/fstat.c, Revision 1.61
1.61 ! thib 1: /* $OpenBSD: fstat.c,v 1.60 2007/10/01 22:06:02 sobrado 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.
1.43 millert 15: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 16: * may be used to endorse or promote products derived from this software
17: * without specific prior written permission.
18: *
19: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29: * SUCH DAMAGE.
30: */
31:
32: #ifndef lint
33: static char copyright[] =
34: "@(#) Copyright (c) 1988, 1993\n\
35: The Regents of the University of California. All rights reserved.\n";
36: #endif /* not lint */
37:
38: #ifndef lint
39: /*static char sccsid[] = "from: @(#)fstat.c 8.1 (Berkeley) 6/6/93";*/
1.61 ! thib 40: static char *rcsid = "$OpenBSD: fstat.c,v 1.60 2007/10/01 22:06:02 sobrado Exp $";
1.1 deraadt 41: #endif /* not lint */
42:
43: #include <sys/param.h>
44: #include <sys/time.h>
45: #include <sys/proc.h>
46: #include <sys/user.h>
47: #include <sys/stat.h>
48: #include <sys/vnode.h>
49: #include <sys/socket.h>
50: #include <sys/socketvar.h>
51: #include <sys/domain.h>
52: #include <sys/protosw.h>
1.37 deraadt 53: #include <sys/event.h>
54: #include <sys/eventvar.h>
1.1 deraadt 55: #include <sys/unpcb.h>
56: #include <sys/sysctl.h>
57: #include <sys/filedesc.h>
1.42 tedu 58: #define _KERNEL
1.23 deraadt 59: #include <sys/mount.h>
1.37 deraadt 60: #include <crypto/cryptodev.h>
1.38 deraadt 61: #include <dev/systrace.h>
1.1 deraadt 62: #include <sys/file.h>
63: #include <ufs/ufs/quota.h>
64: #include <ufs/ufs/inode.h>
65: #undef _KERNEL
66: #define NFS
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:
1.29 deraadt 73: #include <xfs/xfs_config.h>
1.18 art 74: #include <xfs/xfs_node.h>
75:
1.61 ! thib 76: #include <miscfs/specfs/specdev.h>
! 77:
1.1 deraadt 78: #include <net/route.h>
79: #include <netinet/in.h>
80: #include <netinet/in_systm.h>
81: #include <netinet/ip.h>
82: #include <netinet/in_pcb.h>
83:
1.26 itojun 84: #ifdef INET6
85: #include <netinet/ip6.h>
86: #include <netinet6/ip6_var.h>
87: #endif
88:
89: #include <netdb.h>
1.5 deraadt 90: #include <arpa/inet.h>
91:
1.22 art 92: #include <sys/pipe.h>
93:
1.1 deraadt 94: #include <ctype.h>
95: #include <errno.h>
96: #include <kvm.h>
1.2 niklas 97: #include <limits.h>
1.1 deraadt 98: #include <nlist.h>
99: #include <paths.h>
100: #include <pwd.h>
101: #include <stdio.h>
102: #include <stdlib.h>
103: #include <string.h>
1.11 millert 104: #include <unistd.h>
1.24 deraadt 105: #include <netdb.h>
1.17 mickey 106: #include <err.h>
1.14 deraadt 107: #include "fstat.h"
1.1 deraadt 108:
109: #define TEXT -1
110: #define CDIR -2
111: #define RDIR -3
112: #define TRACE -4
113:
114: typedef struct devs {
115: struct devs *next;
116: long fsid;
117: ino_t ino;
118: char *name;
119: } DEVS;
120: DEVS *devs;
121:
1.46 deraadt 122: int fsflg; /* show files on same filesystem as file(s) argument */
123: int pflg; /* show files open by a particular pid */
124: int uflg; /* show files open by a particular (effective) user */
1.38 deraadt 125: int checkfile; /* true if restricting to particular files or filesystems */
1.1 deraadt 126: int nflg; /* (numerical) display f.s. and rdev as dev_t */
1.28 hugh 127: int oflg; /* display file offset */
1.56 mickey 128: int sflg; /* display file xfer/bytes counters */
1.1 deraadt 129: int vflg; /* display errors in locating kernel data objects etc... */
130:
131: struct file **ofiles; /* buffer of pointers to file structures */
132: int maxfiles;
133: #define ALLOC_OFILES(d) \
134: if ((d) > maxfiles) { \
135: free(ofiles); \
1.59 deraadt 136: ofiles = calloc((d), sizeof(struct file *)); \
1.17 mickey 137: if (ofiles == NULL) \
138: err(1, "malloc"); \
1.1 deraadt 139: maxfiles = (d); \
140: }
141:
142: /*
1.34 deraadt 143: * a kvm_read that returns true if everything is read
1.1 deraadt 144: */
145: #define KVM_READ(kaddr, paddr, len) \
1.11 millert 146: (kvm_read(kd, (u_long)(kaddr), (void *)(paddr), (len)) == (len))
1.1 deraadt 147:
148: kvm_t *kd;
149:
1.35 millert 150: int ufs_filestat(struct vnode *, struct filestat *);
151: int ext2fs_filestat(struct vnode *, struct filestat *);
152: int isofs_filestat(struct vnode *, struct filestat *);
153: int msdos_filestat(struct vnode *, struct filestat *);
154: int nfs_filestat(struct vnode *, struct filestat *);
155: int xfs_filestat(struct vnode *, struct filestat *);
1.61 ! thib 156: int spec_filestat(struct vnode *, struct filestat *);
1.49 millert 157: void dofiles(struct kinfo_proc2 *);
1.35 millert 158: void getinetproto(int);
159: void usage(void);
160: int getfname(char *);
1.56 mickey 161: void socktrans(struct socket *, int, struct file *);
162: void vtrans(struct vnode *, int, int, struct file *);
163: void pipetrans(struct pipe *, int, struct file *);
164: void kqueuetrans(struct kqueue *, int, struct file *);
165: void cryptotrans(void *, int, struct file *);
166: void systracetrans(struct fsystrace *, int, struct file *);
1.47 deraadt 167: char *getmnton(struct mount *);
168: const char *inet6_addrstr(struct in6_addr *);
1.1 deraadt 169:
1.11 millert 170: int
1.40 deraadt 171: main(int argc, char *argv[])
1.1 deraadt 172: {
173: extern char *optarg;
174: extern int optind;
1.32 mpech 175: struct passwd *passwd;
1.49 millert 176: struct kinfo_proc2 *p, *plast;
1.1 deraadt 177: int arg, ch, what;
178: char *memf, *nlistf;
1.2 niklas 179: char buf[_POSIX2_LINE_MAX];
1.58 tedu 180: const char *errstr;
1.1 deraadt 181: int cnt;
1.52 djm 182: gid_t gid;
1.1 deraadt 183:
184: arg = 0;
185: what = KERN_PROC_ALL;
186: nlistf = memf = NULL;
1.28 hugh 187: oflg = 0;
1.56 mickey 188: while ((ch = getopt(argc, argv, "fnop:su:vN:M:")) != -1)
1.60 sobrado 189: switch ((char)ch) {
1.1 deraadt 190: case 'f':
191: fsflg = 1;
192: break;
193: case 'M':
194: memf = optarg;
195: break;
196: case 'N':
197: nlistf = optarg;
198: break;
199: case 'n':
200: nflg = 1;
201: break;
1.28 hugh 202: case 'o':
203: oflg = 1;
204: break;
1.1 deraadt 205: case 'p':
206: if (pflg++)
207: usage();
1.58 tedu 208: arg = strtonum(optarg, 0, INT_MAX, &errstr);
209: if (errstr != NULL) {
210: warnx("-p requires a process id, %s: %s",
211: errstr, optarg);
1.1 deraadt 212: usage();
213: }
214: what = KERN_PROC_PID;
215: break;
1.56 mickey 216: case 's':
217: sflg = 1;
218: break;
1.1 deraadt 219: case 'u':
220: if (uflg++)
221: usage();
1.17 mickey 222: if (!(passwd = getpwnam(optarg)))
1.21 deraadt 223: errx(1, "%s: unknown uid", optarg);
1.1 deraadt 224: what = KERN_PROC_UID;
225: arg = passwd->pw_uid;
226: break;
227: case 'v':
228: vflg = 1;
229: break;
230: default:
231: usage();
232: }
233:
1.41 deraadt 234: /*
235: * Discard setgid privileges if not the running kernel so that bad
236: * guys can't print interesting stuff from kernel memory.
237: */
1.52 djm 238: gid = getgid();
239: if (nlistf != NULL || memf != NULL)
240: if (setresgid(gid, gid, gid) == -1)
241: err(1, "setresgid");
1.41 deraadt 242:
243: if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == NULL)
244: errx(1, "%s", buf);
245:
1.52 djm 246: if (nlistf == NULL && memf == NULL)
247: if (setresgid(gid, gid, gid) == -1)
248: err(1, "setresgid");
1.41 deraadt 249:
1.1 deraadt 250: if (*(argv += optind)) {
251: for (; *argv; ++argv) {
252: if (getfname(*argv))
253: checkfile = 1;
254: }
1.30 pvalchev 255: if (!checkfile) /* file(s) specified, but none accessible */
1.1 deraadt 256: exit(1);
257: }
258:
259: ALLOC_OFILES(256); /* reserve space for file pointers */
260:
1.34 deraadt 261: if (fsflg && !checkfile) {
1.1 deraadt 262: /* -f with no files means use wd */
263: if (getfname(".") == 0)
264: exit(1);
265: checkfile = 1;
266: }
1.16 deraadt 267:
1.49 millert 268: if ((p = kvm_getproc2(kd, what, arg, sizeof(*p), &cnt)) == NULL)
1.21 deraadt 269: errx(1, "%s", kvm_geterr(kd));
1.1 deraadt 270: if (nflg)
271: printf("%s",
1.60 sobrado 272: "USER CMD PID FD DEV INUM MODE R/W SZ|DV");
1.1 deraadt 273: else
274: printf("%s",
1.60 sobrado 275: "USER CMD PID FD MOUNT INUM MODE R/W SZ|DV");
1.28 hugh 276: if (oflg)
277: printf("%s", ":OFFSET ");
1.1 deraadt 278: if (checkfile && fsflg == 0)
1.56 mickey 279: printf(" NAME");
280: if (sflg)
281: printf(" XFERS KBYTES");
282: putchar('\n');
1.1 deraadt 283:
284: for (plast = &p[cnt]; p < plast; ++p) {
1.49 millert 285: if (p->p_stat == SZOMB)
1.1 deraadt 286: continue;
287: dofiles(p);
288: }
289: exit(0);
290: }
291:
292: char *Uname, *Comm;
1.14 deraadt 293: pid_t Pid;
1.1 deraadt 294:
1.34 deraadt 295: #define PREFIX(i) do { \
1.39 mpech 296: printf("%-8.8s %-10s %5ld", Uname, Comm, (long)Pid); \
1.60 sobrado 297: switch (i) { \
1.1 deraadt 298: case TEXT: \
299: printf(" text"); \
300: break; \
301: case CDIR: \
302: printf(" wd"); \
303: break; \
304: case RDIR: \
305: printf(" root"); \
306: break; \
307: case TRACE: \
308: printf(" tr"); \
309: break; \
310: default: \
311: printf(" %4d", i); \
312: break; \
1.34 deraadt 313: } \
314: } while (0)
1.1 deraadt 315:
316: /*
317: * print open files attributed to this process
318: */
319: void
1.49 millert 320: dofiles(struct kinfo_proc2 *kp)
1.1 deraadt 321: {
1.11 millert 322: int i;
1.1 deraadt 323: struct file file;
324: struct filedesc0 filed0;
325: #define filed filed0.fd_fd
326:
1.49 millert 327: Uname = user_from_uid(kp->p_uid, 0);
328: Pid = kp->p_pid;
329: Comm = kp->p_comm;
1.1 deraadt 330:
1.49 millert 331: if (kp->p_fd == 0)
1.1 deraadt 332: return;
1.49 millert 333: if (!KVM_READ(kp->p_fd, &filed0, sizeof (filed0))) {
1.39 mpech 334: dprintf("can't read filedesc at %p for pid %ld",
1.49 millert 335: (void *)(u_long)kp->p_fd, (long)Pid);
1.1 deraadt 336: return;
337: }
338: if (filed.fd_nfiles < 0 || filed.fd_lastfile >= filed.fd_nfiles ||
339: filed.fd_freefile > filed.fd_lastfile + 1) {
1.39 mpech 340: dprintf("filedesc corrupted at %p for pid %ld",
1.49 millert 341: (void *)(u_long)kp->p_fd, (long)Pid);
1.1 deraadt 342: return;
343: }
344: /*
345: * root directory vnode, if one
346: */
347: if (filed.fd_rdir)
1.56 mickey 348: vtrans(filed.fd_rdir, RDIR, FREAD, NULL);
1.1 deraadt 349: /*
350: * current working directory vnode
351: */
1.56 mickey 352: vtrans(filed.fd_cdir, CDIR, FREAD, NULL);
353:
1.1 deraadt 354: /*
355: * ktrace vnode, if one
356: */
1.49 millert 357: if (kp->p_tracep)
1.56 mickey 358: vtrans((struct vnode *)(u_long)kp->p_tracep, TRACE, FREAD|FWRITE, NULL);
1.1 deraadt 359: /*
360: * open files
361: */
362: #define FPSIZE (sizeof (struct file *))
363: ALLOC_OFILES(filed.fd_lastfile+1);
364: if (filed.fd_nfiles > NDFILE) {
365: if (!KVM_READ(filed.fd_ofiles, ofiles,
366: (filed.fd_lastfile+1) * FPSIZE)) {
1.39 mpech 367: dprintf("can't read file structures at %p for pid %ld",
368: filed.fd_ofiles, (long)Pid);
1.1 deraadt 369: return;
370: }
371: } else
372: bcopy(filed0.fd_dfiles, ofiles, (filed.fd_lastfile+1) * FPSIZE);
373: for (i = 0; i <= filed.fd_lastfile; i++) {
374: if (ofiles[i] == NULL)
375: continue;
376: if (!KVM_READ(ofiles[i], &file, sizeof (struct file))) {
1.39 mpech 377: dprintf("can't read file %d at %p for pid %ld",
378: i, ofiles[i], (long)Pid);
1.1 deraadt 379: continue;
380: }
381: if (file.f_type == DTYPE_VNODE)
1.38 deraadt 382: vtrans((struct vnode *)file.f_data, i, file.f_flag,
1.56 mickey 383: &file);
1.1 deraadt 384: else if (file.f_type == DTYPE_SOCKET) {
385: if (checkfile == 0)
1.56 mickey 386: socktrans((struct socket *)file.f_data, i,
387: &file);
1.22 art 388: } else if (file.f_type == DTYPE_PIPE) {
389: if (checkfile == 0)
1.56 mickey 390: pipetrans((struct pipe *)file.f_data, i, &file);
1.37 deraadt 391: } else if (file.f_type == DTYPE_KQUEUE) {
392: if (checkfile == 0)
1.56 mickey 393: kqueuetrans((struct kqueue *)file.f_data, i,
394: &file);
1.37 deraadt 395: } else if (file.f_type == DTYPE_CRYPTO) {
396: if (checkfile == 0)
1.56 mickey 397: cryptotrans(file.f_data, i, &file);
1.37 deraadt 398: } else if (file.f_type == DTYPE_SYSTRACE) {
399: if (checkfile == 0)
1.56 mickey 400: systracetrans((struct fsystrace *)file.f_data,
401: i, &file);
1.22 art 402: } else {
1.39 mpech 403: dprintf("unknown file type %d for file %d of pid %ld",
404: file.f_type, i, (long)Pid);
1.1 deraadt 405: }
406: }
407: }
408:
409: void
1.56 mickey 410: vtrans(struct vnode *vp, int i, int flag, struct file *fp)
1.1 deraadt 411: {
412: struct vnode vn;
413: struct filestat fst;
1.12 deraadt 414: char rw[3], mode[17];
1.47 deraadt 415: char *badtype = NULL, *filename;
1.1 deraadt 416:
417: filename = badtype = NULL;
418: if (!KVM_READ(vp, &vn, sizeof (struct vnode))) {
1.39 mpech 419: dprintf("can't read vnode at %p for pid %ld", vp, (long)Pid);
1.1 deraadt 420: return;
421: }
1.61 ! thib 422: if (vn.v_type == VNON)
1.1 deraadt 423: badtype = "none";
424: else if (vn.v_type == VBAD)
425: badtype = "bad";
426: else
427: switch (vn.v_tag) {
428: case VT_UFS:
429: case VT_MFS:
430: if (!ufs_filestat(&vn, &fst))
431: badtype = "error";
432: break;
433: case VT_NFS:
434: if (!nfs_filestat(&vn, &fst))
435: badtype = "error";
436: break;
1.9 downsj 437: case VT_EXT2FS:
438: if (!ext2fs_filestat(&vn, &fst))
439: badtype = "error";
440: break;
1.14 deraadt 441: case VT_ISOFS:
442: if (!isofs_filestat(&vn, &fst))
443: badtype = "error";
444: break;
445: case VT_MSDOSFS:
446: if (!msdos_filestat(&vn, &fst))
447: badtype = "error";
448: break;
1.18 art 449: case VT_XFS:
450: if (!xfs_filestat(&vn, &fst))
451: badtype = "error";
452: break;
1.61 ! thib 453: case VT_NON:
! 454: if (vn.v_flag & VCLONE) {
! 455: if (!spec_filestat(&vn, &fst))
! 456: badtype = "error";
! 457: } else {
! 458: badtype = "none"; /* not a clone */
! 459: }
! 460: break;
1.1 deraadt 461: default: {
1.12 deraadt 462: static char unknown[30];
1.34 deraadt 463: snprintf(badtype = unknown, sizeof unknown,
464: "?(%x)", vn.v_tag);
1.10 deraadt 465: break;
1.1 deraadt 466: }
467: }
468: if (checkfile) {
469: int fsmatch = 0;
1.32 mpech 470: DEVS *d;
1.1 deraadt 471:
472: if (badtype)
473: return;
474: for (d = devs; d != NULL; d = d->next)
475: if (d->fsid == fst.fsid) {
476: fsmatch = 1;
477: if (d->ino == fst.fileid) {
478: filename = d->name;
479: break;
480: }
481: }
482: if (fsmatch == 0 || (filename == NULL && fsflg == 0))
483: return;
484: }
485: PREFIX(i);
486: if (badtype) {
1.53 mickey 487: (void)printf(" - - %10s -\n", badtype);
1.1 deraadt 488: return;
489: }
1.61 ! thib 490:
1.1 deraadt 491: if (nflg)
1.31 deraadt 492: (void)printf(" %2ld,%-2ld", (long)major(fst.fsid),
493: (long)minor(fst.fsid));
1.61 ! thib 494: else if (!(vn.v_flag & VCLONE))
! 495: (void)printf(" %-8s", getmnton(vn.v_mount));
1.1 deraadt 496: else
1.61 ! thib 497: (void)printf(" clone");
1.1 deraadt 498: if (nflg)
1.34 deraadt 499: (void)snprintf(mode, sizeof mode, "%o", fst.mode);
1.1 deraadt 500: else
501: strmode(fst.mode, mode);
1.53 mickey 502: (void)printf(" %8ld %11s", fst.fileid, mode);
1.28 hugh 503: rw[0] = '\0';
504: if (flag & FREAD)
1.34 deraadt 505: strlcat(rw, "r", sizeof rw);
1.28 hugh 506: if (flag & FWRITE)
1.34 deraadt 507: strlcat(rw, "w", sizeof rw);
1.28 hugh 508: printf(" %2s", rw);
1.1 deraadt 509: switch (vn.v_type) {
510: case VBLK:
511: case VCHR: {
512: char *name;
513:
1.34 deraadt 514: if (nflg || ((name = devname(fst.rdev, vn.v_type == VCHR ?
1.1 deraadt 515: S_IFCHR : S_IFBLK)) == NULL))
1.28 hugh 516: printf(" %2d,%-3d", major(fst.rdev), minor(fst.rdev));
1.1 deraadt 517: else
1.28 hugh 518: printf(" %7s", name);
519: if (oflg)
520: printf(" ");
1.1 deraadt 521: break;
522: }
523: default:
1.31 deraadt 524: printf(" %8lld", (long long)fst.size);
1.28 hugh 525: if (oflg)
1.56 mickey 526: printf(":%-8lld", (long long)(fp? fp->f_offset : 0));
1.1 deraadt 527: }
1.56 mickey 528: if (sflg)
529: printf(" %8lld %8lld",
530: (long long)(fp? fp->f_rxfer + fp->f_wxfer : 0),
531: (long long)(fp? fp->f_rbytes + fp->f_wbytes : 0) / 1024);
1.1 deraadt 532: if (filename && !fsflg)
1.28 hugh 533: printf(" %s", filename);
1.1 deraadt 534: putchar('\n');
535: }
536:
537: int
1.40 deraadt 538: ufs_filestat(struct vnode *vp, struct filestat *fsp)
1.1 deraadt 539: {
540: struct inode inode;
1.54 pedro 541: struct ufs1_dinode di1;
1.1 deraadt 542:
543: if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) {
1.39 mpech 544: dprintf("can't read inode at %p for pid %ld",
545: VTOI(vp), (long)Pid);
1.1 deraadt 546: return 0;
547: }
1.54 pedro 548:
549: if (!KVM_READ(inode.i_din1, &di1, sizeof(struct ufs1_dinode))) {
550: dprintf("can't read dinode at %p for pid %ld",
551: inode.i_din1, (long)Pid);
552: return (0);
553: }
554:
555: inode.i_din1 = &di1;
556:
1.1 deraadt 557: fsp->fsid = inode.i_dev & 0xffff;
558: fsp->fileid = (long)inode.i_number;
1.55 pedro 559: fsp->mode = inode.i_ffs1_mode;
560: fsp->size = inode.i_ffs1_size;
561: fsp->rdev = inode.i_ffs1_rdev;
1.9 downsj 562:
563: return 1;
564: }
565:
566: int
1.40 deraadt 567: ext2fs_filestat(struct vnode *vp, struct filestat *fsp)
1.9 downsj 568: {
569: struct inode inode;
1.54 pedro 570: struct ext2fs_dinode e2di;
1.9 downsj 571:
572: if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) {
1.39 mpech 573: dprintf("can't read inode at %p for pid %ld",
574: VTOI(vp), (long)Pid);
1.9 downsj 575: return 0;
576: }
1.54 pedro 577:
578: if (!KVM_READ(inode.i_e2din, &e2di, sizeof(struct ext2fs_dinode))) {
579: dprintf("can't read dinode at %p for pid %ld",
580: inode.i_e2din, (long)Pid);
581: return (0);
582: }
583:
584: inode.i_e2din = &e2di;
585:
1.9 downsj 586: fsp->fsid = inode.i_dev & 0xffff;
587: fsp->fileid = (long)inode.i_number;
1.11 millert 588: fsp->mode = inode.i_e2fs_mode;
589: fsp->size = inode.i_e2fs_size;
1.9 downsj 590: fsp->rdev = 0; /* XXX */
1.14 deraadt 591:
592: return 1;
593: }
594:
595: int
1.40 deraadt 596: msdos_filestat(struct vnode *vp, struct filestat *fsp)
1.14 deraadt 597: {
598: #if 0
599: struct inode inode;
600:
601: if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) {
1.39 mpech 602: dprintf("can't read inode at %p for pid %ld",
603: VTOI(vp), (long)Pid);
1.14 deraadt 604: return 0;
605: }
606: fsp->fsid = inode.i_dev & 0xffff;
607: fsp->fileid = (long)inode.i_number;
608: fsp->mode = inode.i_e2fs_mode;
609: fsp->size = inode.i_e2fs_size;
610: fsp->rdev = 0; /* XXX */
611: #endif
1.1 deraadt 612:
613: return 1;
614: }
615:
616: int
1.40 deraadt 617: nfs_filestat(struct vnode *vp, struct filestat *fsp)
1.1 deraadt 618: {
619: struct nfsnode nfsnode;
1.32 mpech 620: mode_t mode;
1.1 deraadt 621:
622: if (!KVM_READ(VTONFS(vp), &nfsnode, sizeof (nfsnode))) {
1.39 mpech 623: dprintf("can't read nfsnode at %p for pid %ld",
624: VTONFS(vp), (long)Pid);
1.1 deraadt 625: return 0;
626: }
627: fsp->fsid = nfsnode.n_vattr.va_fsid;
628: fsp->fileid = nfsnode.n_vattr.va_fileid;
629: fsp->size = nfsnode.n_size;
630: fsp->rdev = nfsnode.n_vattr.va_rdev;
631: mode = (mode_t)nfsnode.n_vattr.va_mode;
632: switch (vp->v_type) {
633: case VREG:
634: mode |= S_IFREG;
635: break;
636: case VDIR:
637: mode |= S_IFDIR;
638: break;
639: case VBLK:
640: mode |= S_IFBLK;
641: break;
642: case VCHR:
643: mode |= S_IFCHR;
644: break;
645: case VLNK:
646: mode |= S_IFLNK;
647: break;
648: case VSOCK:
649: mode |= S_IFSOCK;
650: break;
651: case VFIFO:
652: mode |= S_IFIFO;
653: break;
1.17 mickey 654: default:
655: break;
1.34 deraadt 656: }
1.1 deraadt 657: fsp->mode = mode;
658:
659: return 1;
660: }
661:
1.18 art 662: int
1.44 deraadt 663: xfs_filestat(struct vnode *vp, struct filestat *fsp)
1.18 art 664: {
665: struct xfs_node xfs_node;
666:
667: if (!KVM_READ(VNODE_TO_XNODE(vp), &xfs_node, sizeof (xfs_node))) {
1.39 mpech 668: dprintf("can't read xfs_node at %p for pid %ld",
669: VTOI(vp), (long)Pid);
1.18 art 670: return 0;
671: }
672: fsp->fsid = xfs_node.attr.va_fsid;
673: fsp->fileid = (long)xfs_node.attr.va_fileid;
674: fsp->mode = xfs_node.attr.va_mode;
675: fsp->size = xfs_node.attr.va_size;
676: fsp->rdev = xfs_node.attr.va_rdev;
677:
678: return 1;
1.61 ! thib 679: }
! 680:
! 681: int
! 682: spec_filestat(struct vnode *vp, struct filestat *fsp)
! 683: {
! 684: struct specinfo specinfo;
! 685: struct vnode parent;
! 686:
! 687: if (!KVM_READ(vp->v_specinfo, &specinfo, sizeof(struct specinfo))) {
! 688: dprintf("can't read specinfo at %p for pid %ld",
! 689: vp->v_specinfo, (long) Pid);
! 690: return (0);
! 691: }
! 692:
! 693: vp->v_specinfo = &specinfo;
! 694:
! 695: if (!KVM_READ(vp->v_specparent, &parent, sizeof(struct vnode))) {
! 696: dprintf("can't read parent vnode at %p for pid %ld",
! 697: vp->v_specparent, (long) Pid);
! 698: return (0);
! 699: }
! 700:
! 701: if (!ufs_filestat(&parent, fsp))
! 702: return (0);
! 703:
! 704: if (nflg)
! 705: fsp->rdev = vp->v_rdev;
! 706:
! 707: return (1);
1.18 art 708: }
1.1 deraadt 709:
710: char *
1.40 deraadt 711: getmnton(struct mount *m)
1.1 deraadt 712: {
713: static struct mount mount;
714: static struct mtab {
715: struct mtab *next;
716: struct mount *m;
717: char mntonname[MNAMELEN];
718: } *mhead = NULL;
1.32 mpech 719: struct mtab *mt;
1.1 deraadt 720:
721: for (mt = mhead; mt != NULL; mt = mt->next)
722: if (m == mt->m)
723: return (mt->mntonname);
724: if (!KVM_READ(m, &mount, sizeof(struct mount))) {
1.17 mickey 725: warn("can't read mount table at %p", m);
1.1 deraadt 726: return (NULL);
727: }
1.17 mickey 728: if ((mt = malloc(sizeof (struct mtab))) == NULL)
729: err(1, "malloc");
1.1 deraadt 730: mt->m = m;
731: bcopy(&mount.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN);
732: mt->next = mhead;
733: mhead = mt;
734: return (mt->mntonname);
1.22 art 735: }
736:
737: void
1.56 mickey 738: pipetrans(struct pipe *pipe, int i, struct file *fp)
1.22 art 739: {
740: struct pipe pi;
741: void *maxaddr;
742:
743: PREFIX(i);
744:
745: printf(" ");
746:
747: /* fill in socket */
748: if (!KVM_READ(pipe, &pi, sizeof(struct pipe))) {
749: dprintf("can't read pipe at %p", pipe);
750: goto bad;
751: }
752:
753: /*
754: * We don't have enough space to fit both peer and own address, so
755: * we select the higher address so both ends of the pipe have the
756: * same visible addr. (it's the higher address because when the other
757: * end closes, it becomes 0)
758: */
759: maxaddr = MAX(pipe, pi.pipe_peer);
760:
1.56 mickey 761: printf("pipe %p state: %s%s%s", maxaddr,
1.34 deraadt 762: (pi.pipe_state & PIPE_WANTR) ? "R" : "",
763: (pi.pipe_state & PIPE_WANTW) ? "W" : "",
764: (pi.pipe_state & PIPE_EOF) ? "E" : "");
1.56 mickey 765: if (sflg)
766: printf("\t%8lld %8lld",
767: (long long)(fp? fp->f_rxfer + fp->f_wxfer : 0),
768: (long long)(fp? fp->f_rbytes + fp->f_wbytes : 0) / 1024);
769: printf("\n");
1.37 deraadt 770: return;
771: bad:
772: printf("* error\n");
773: }
774:
775: void
1.56 mickey 776: kqueuetrans(struct kqueue *kq, int i, struct file *fp)
1.37 deraadt 777: {
778: struct kqueue kqi;
779:
780: PREFIX(i);
781:
782: printf(" ");
783:
784: /* fill it in */
785: if (!KVM_READ(kq, &kqi, sizeof(struct kqueue))) {
786: dprintf("can't read kqueue at %p", kq);
787: goto bad;
788: }
789:
1.57 deraadt 790: printf("kqueue %p %d state: %s%s\n", kq, kqi.kq_count,
1.37 deraadt 791: (kqi.kq_state & KQ_SEL) ? "S" : "",
792: (kqi.kq_state & KQ_SLEEP) ? "W" : "");
793: return;
794: bad:
795: printf("* error\n");
796: }
797:
798: void
1.56 mickey 799: cryptotrans(void *f, int i, struct file *fp)
1.37 deraadt 800: {
801: PREFIX(i);
802:
803: printf(" ");
804:
1.38 deraadt 805: printf("crypto %p\n", f);
1.37 deraadt 806: }
807:
808: void
1.56 mickey 809: systracetrans(struct fsystrace *f, int i, struct file *fp)
1.37 deraadt 810: {
1.38 deraadt 811: struct fsystrace fi;
812:
1.37 deraadt 813: PREFIX(i);
814:
815: printf(" ");
816:
1.38 deraadt 817: /* fill it in */
818: if (!KVM_READ(f, &fi, sizeof(fi))) {
819: dprintf("can't read fsystrace at %p", f);
820: goto bad;
821: }
1.34 deraadt 822:
1.38 deraadt 823: printf("systrace %p npol %d\n", f, fi.npolicies);
1.22 art 824: return;
825: bad:
826: printf("* error\n");
1.1 deraadt 827: }
828:
1.26 itojun 829: #ifdef INET6
830: const char *
1.40 deraadt 831: inet6_addrstr(struct in6_addr *p)
1.26 itojun 832: {
833: struct sockaddr_in6 sin6;
834: static char hbuf[NI_MAXHOST];
1.50 itojun 835: const int niflags = NI_NUMERICHOST;
1.26 itojun 836:
837: memset(&sin6, 0, sizeof(sin6));
838: sin6.sin6_family = AF_INET6;
839: sin6.sin6_len = sizeof(struct sockaddr_in6);
840: sin6.sin6_addr = *p;
841: if (IN6_IS_ADDR_LINKLOCAL(p) &&
842: *(u_int16_t *)&sin6.sin6_addr.s6_addr[2] != 0) {
843: sin6.sin6_scope_id =
1.38 deraadt 844: ntohs(*(u_int16_t *)&sin6.sin6_addr.s6_addr[2]);
1.26 itojun 845: sin6.sin6_addr.s6_addr[2] = sin6.sin6_addr.s6_addr[3] = 0;
846: }
847:
848: if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len,
1.38 deraadt 849: hbuf, sizeof(hbuf), NULL, 0, niflags))
1.26 itojun 850: return "invalid";
851:
852: return hbuf;
853: }
854: #endif
855:
1.1 deraadt 856: void
1.56 mickey 857: socktrans(struct socket *sock, int i, struct file *fp)
1.1 deraadt 858: {
859: static char *stypename[] = {
860: "unused", /* 0 */
1.38 deraadt 861: "stream", /* 1 */
1.1 deraadt 862: "dgram", /* 2 */
863: "raw", /* 3 */
864: "rdm", /* 4 */
865: "seqpak" /* 5 */
866: };
867: #define STYPEMAX 5
868: struct socket so;
869: struct protosw proto;
870: struct domain dom;
871: struct inpcb inpcb;
872: struct unpcb unpcb;
873: int len;
1.4 deraadt 874: char dname[32];
1.26 itojun 875: #ifdef INET6
876: char xaddrbuf[NI_MAXHOST + 2];
877: #endif
1.1 deraadt 878:
879: PREFIX(i);
880:
881: /* fill in socket */
882: if (!KVM_READ(sock, &so, sizeof(struct socket))) {
1.17 mickey 883: dprintf("can't read sock at %p", sock);
1.1 deraadt 884: goto bad;
885: }
886:
887: /* fill in protosw entry */
888: if (!KVM_READ(so.so_proto, &proto, sizeof(struct protosw))) {
1.17 mickey 889: dprintf("can't read protosw at %p", so.so_proto);
1.1 deraadt 890: goto bad;
891: }
892:
893: /* fill in domain */
894: if (!KVM_READ(proto.pr_domain, &dom, sizeof(struct domain))) {
1.17 mickey 895: dprintf("can't read domain at %p", proto.pr_domain);
1.1 deraadt 896: goto bad;
897: }
898:
899: if ((len = kvm_read(kd, (u_long)dom.dom_name, dname,
1.15 deraadt 900: sizeof(dname) - 1)) != sizeof(dname) -1) {
1.17 mickey 901: dprintf("can't read domain name at %p", dom.dom_name);
1.1 deraadt 902: dname[0] = '\0';
1.38 deraadt 903: } else
1.1 deraadt 904: dname[len] = '\0';
905:
906: if ((u_short)so.so_type > STYPEMAX)
907: printf("* %s ?%d", dname, so.so_type);
908: else
909: printf("* %s %s", dname, stypename[so.so_type]);
910:
1.34 deraadt 911: /*
1.1 deraadt 912: * protocol specific formatting
913: *
914: * Try to find interesting things to print. For tcp, the interesting
915: * thing is the address of the tcpcb, for udp and others, just the
916: * inpcb (socket pcb). For unix domain, its the address of the socket
917: * pcb and the address of the connected pcb (if connected). Otherwise
918: * just print the protocol number and address of the socket itself.
919: * The idea is not to duplicate netstat, but to make available enough
920: * information for further analysis.
921: */
1.60 sobrado 922: switch (dom.dom_family) {
1.1 deraadt 923: case AF_INET:
924: getinetproto(proto.pr_protocol);
1.5 deraadt 925: if (proto.pr_protocol == IPPROTO_TCP) {
926: if (so.so_pcb == NULL)
927: break;
928: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&inpcb,
929: sizeof(struct inpcb)) != sizeof(struct inpcb)) {
1.17 mickey 930: dprintf("can't read inpcb at %p", so.so_pcb);
1.5 deraadt 931: goto bad;
932: }
1.11 millert 933: printf(" %p", inpcb.inp_ppcb);
1.5 deraadt 934: printf(" %s:%d",
935: inpcb.inp_laddr.s_addr == INADDR_ANY ? "*" :
936: inet_ntoa(inpcb.inp_laddr),
937: ntohs(inpcb.inp_lport));
1.17 mickey 938: if (inpcb.inp_fport) {
1.13 deraadt 939: if (so.so_state & SS_CONNECTOUT)
940: printf(" --> ");
941: else
942: printf(" <-- ");
943: printf("%s:%d",
1.5 deraadt 944: inpcb.inp_faddr.s_addr == INADDR_ANY ? "*" :
945: inet_ntoa(inpcb.inp_faddr),
946: ntohs(inpcb.inp_fport));
1.17 mickey 947: }
1.5 deraadt 948: } else if (proto.pr_protocol == IPPROTO_UDP) {
949: if (so.so_pcb == NULL)
950: break;
951: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&inpcb,
952: sizeof(struct inpcb)) != sizeof(struct inpcb)) {
1.17 mickey 953: dprintf("can't read inpcb at %p", so.so_pcb);
1.5 deraadt 954: goto bad;
1.1 deraadt 955: }
1.5 deraadt 956: printf(" %s:%d",
957: inpcb.inp_laddr.s_addr == INADDR_ANY ? "*" :
958: inet_ntoa(inpcb.inp_laddr),
959: ntohs(inpcb.inp_lport));
960: if (inpcb.inp_fport)
1.6 deraadt 961: printf(" <-> %s:%d",
1.5 deraadt 962: inpcb.inp_faddr.s_addr == INADDR_ANY ? "*" :
963: inet_ntoa(inpcb.inp_faddr),
964: ntohs(inpcb.inp_fport));
965: } else if (so.so_pcb)
1.11 millert 966: printf(" %p", so.so_pcb);
1.1 deraadt 967: break;
1.26 itojun 968: #ifdef INET6
969: case AF_INET6:
970: getinetproto(proto.pr_protocol);
971: if (proto.pr_protocol == IPPROTO_TCP) {
972: if (so.so_pcb == NULL)
973: break;
974: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&inpcb,
975: sizeof(struct inpcb)) != sizeof(struct inpcb)) {
976: dprintf("can't read inpcb at %p", so.so_pcb);
977: goto bad;
978: }
979: printf(" %p", inpcb.inp_ppcb);
980: snprintf(xaddrbuf, sizeof(xaddrbuf), "[%s]",
981: inet6_addrstr(&inpcb.inp_laddr6));
982: printf(" %s:%d",
983: IN6_IS_ADDR_UNSPECIFIED(&inpcb.inp_laddr6) ? "*" :
984: xaddrbuf,
985: ntohs(inpcb.inp_lport));
986: if (inpcb.inp_fport) {
987: if (so.so_state & SS_CONNECTOUT)
988: printf(" --> ");
989: else
990: printf(" <-- ");
991: snprintf(xaddrbuf, sizeof(xaddrbuf), "[%s]",
992: inet6_addrstr(&inpcb.inp_faddr6));
993: printf("%s:%d",
994: IN6_IS_ADDR_UNSPECIFIED(&inpcb.inp_faddr6) ? "*" :
995: xaddrbuf,
996: ntohs(inpcb.inp_fport));
997: }
998: } else if (proto.pr_protocol == IPPROTO_UDP) {
999: if (so.so_pcb == NULL)
1000: break;
1001: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&inpcb,
1002: sizeof(struct inpcb)) != sizeof(struct inpcb)) {
1003: dprintf("can't read inpcb at %p", so.so_pcb);
1004: goto bad;
1005: }
1006: snprintf(xaddrbuf, sizeof(xaddrbuf), "[%s]",
1007: inet6_addrstr(&inpcb.inp_laddr6));
1008: printf(" %s:%d",
1009: IN6_IS_ADDR_UNSPECIFIED(&inpcb.inp_laddr6) ? "*" :
1010: xaddrbuf,
1011: ntohs(inpcb.inp_lport));
1.33 itojun 1012: if (inpcb.inp_fport) {
1.26 itojun 1013: snprintf(xaddrbuf, sizeof(xaddrbuf), "[%s]",
1014: inet6_addrstr(&inpcb.inp_faddr6));
1015: printf(" <-> %s:%d",
1016: IN6_IS_ADDR_UNSPECIFIED(&inpcb.inp_faddr6) ? "*" :
1017: xaddrbuf,
1018: ntohs(inpcb.inp_fport));
1.33 itojun 1019: }
1.26 itojun 1020: } else if (so.so_pcb)
1021: printf(" %p", so.so_pcb);
1022: break;
1023: #endif
1.1 deraadt 1024: case AF_UNIX:
1025: /* print address of pcb and connected pcb */
1026: if (so.so_pcb) {
1.11 millert 1027: printf(" %p", so.so_pcb);
1.1 deraadt 1028: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&unpcb,
1029: sizeof(struct unpcb)) != sizeof(struct unpcb)){
1.17 mickey 1030: dprintf("can't read unpcb at %p", so.so_pcb);
1.1 deraadt 1031: goto bad;
1032: }
1033: if (unpcb.unp_conn) {
1034: char shoconn[4], *cp;
1035:
1036: cp = shoconn;
1037: if (!(so.so_state & SS_CANTRCVMORE))
1038: *cp++ = '<';
1039: *cp++ = '-';
1040: if (!(so.so_state & SS_CANTSENDMORE))
1041: *cp++ = '>';
1042: *cp = '\0';
1.11 millert 1043: printf(" %s %p", shoconn,
1044: unpcb.unp_conn);
1.1 deraadt 1045: }
1046: }
1047: break;
1048: default:
1049: /* print protocol number and socket address */
1.11 millert 1050: printf(" %d %p", proto.pr_protocol, sock);
1.1 deraadt 1051: }
1.56 mickey 1052: if (sflg)
1053: printf("\t%8lld %8lld",
1054: (long long)(fp? fp->f_rxfer + fp->f_wxfer : 0),
1055: (long long)(fp? fp->f_rbytes + fp->f_wbytes : 0) / 1024);
1.1 deraadt 1056: printf("\n");
1057: return;
1058: bad:
1059: printf("* error\n");
1060: }
1061:
1062: /*
1063: * getinetproto --
1064: * print name of protocol number
1065: */
1066: void
1067: getinetproto(number)
1068: int number;
1069: {
1.24 deraadt 1070: static int isopen;
1.32 mpech 1071: struct protoent *pe;
1.1 deraadt 1072:
1.24 deraadt 1073: if (!isopen)
1074: setprotoent(++isopen);
1075: if ((pe = getprotobynumber(number)) != NULL)
1076: printf(" %s", pe->p_name);
1077: else
1.1 deraadt 1078: printf(" %d", number);
1079: }
1080:
1.11 millert 1081: int
1.40 deraadt 1082: getfname(char *filename)
1.1 deraadt 1083: {
1084: struct stat statbuf;
1085: DEVS *cur;
1086:
1087: if (stat(filename, &statbuf)) {
1.27 millert 1088: warn("%s", filename);
1.1 deraadt 1089: return(0);
1090: }
1.17 mickey 1091: if ((cur = malloc(sizeof(DEVS))) == NULL)
1092: err(1, "malloc");
1.1 deraadt 1093: cur->next = devs;
1094: devs = cur;
1095:
1096: cur->ino = statbuf.st_ino;
1097: cur->fsid = statbuf.st_dev & 0xffff;
1098: cur->name = filename;
1099: return(1);
1100: }
1101:
1102: void
1.40 deraadt 1103: usage(void)
1.1 deraadt 1104: {
1.56 mickey 1105: fprintf(stderr, "usage: fstat [-fnosv] [-M core] [-N system] "
1.48 jmc 1106: "[-p pid] [-u user] [file ...]\n");
1.1 deraadt 1107: exit(1);
1108: }
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