Annotation of src/usr.bin/fstat/fstat.c, Revision 1.47
1.47 ! deraadt 1: /* $OpenBSD: fstat.c,v 1.46 2003/06/28 16:49:44 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.
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";*/
1.47 ! deraadt 40: static char *rcsid = "$OpenBSD: fstat.c,v 1.46 2003/06/28 16:49:44 deraadt 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>
1.23 deraadt 65: #include <miscfs/nullfs/null.h>
1.1 deraadt 66: #undef _KERNEL
67: #define NFS
1.2 niklas 68: #include <nfs/nfsproto.h>
1.1 deraadt 69: #include <nfs/rpcv2.h>
70: #include <nfs/nfs.h>
71: #include <nfs/nfsnode.h>
72: #undef NFS
73:
1.29 deraadt 74: #include <xfs/xfs_config.h>
1.18 art 75: #include <xfs/xfs_node.h>
76:
1.1 deraadt 77: #include <net/route.h>
78: #include <netinet/in.h>
79: #include <netinet/in_systm.h>
80: #include <netinet/ip.h>
81: #include <netinet/in_pcb.h>
82:
1.26 itojun 83: #ifdef INET6
84: #include <netinet/ip6.h>
85: #include <netinet6/ip6_var.h>
86: #endif
87:
88: #include <netdb.h>
1.5 deraadt 89: #include <arpa/inet.h>
90:
1.22 art 91: #include <sys/pipe.h>
92:
1.1 deraadt 93: #include <ctype.h>
94: #include <errno.h>
95: #include <kvm.h>
1.2 niklas 96: #include <limits.h>
1.1 deraadt 97: #include <nlist.h>
98: #include <paths.h>
99: #include <pwd.h>
100: #include <stdio.h>
101: #include <stdlib.h>
102: #include <string.h>
1.11 millert 103: #include <unistd.h>
1.24 deraadt 104: #include <netdb.h>
1.17 mickey 105: #include <err.h>
1.14 deraadt 106: #include "fstat.h"
1.1 deraadt 107:
108: #define TEXT -1
109: #define CDIR -2
110: #define RDIR -3
111: #define TRACE -4
112:
113: typedef struct devs {
114: struct devs *next;
115: long fsid;
116: ino_t ino;
117: char *name;
118: } DEVS;
119: DEVS *devs;
120:
1.46 deraadt 121: int fsflg; /* show files on same filesystem as file(s) argument */
122: int pflg; /* show files open by a particular pid */
123: int uflg; /* show files open by a particular (effective) user */
1.38 deraadt 124: int checkfile; /* true if restricting to particular files or filesystems */
1.1 deraadt 125: int nflg; /* (numerical) display f.s. and rdev as dev_t */
1.28 hugh 126: int oflg; /* display file offset */
1.1 deraadt 127: int vflg; /* display errors in locating kernel data objects etc... */
128:
129: struct file **ofiles; /* buffer of pointers to file structures */
130: int maxfiles;
131: #define ALLOC_OFILES(d) \
132: if ((d) > maxfiles) { \
133: free(ofiles); \
134: ofiles = malloc((d) * sizeof(struct file *)); \
1.17 mickey 135: if (ofiles == NULL) \
136: err(1, "malloc"); \
1.1 deraadt 137: maxfiles = (d); \
138: }
139:
140: /*
1.34 deraadt 141: * a kvm_read that returns true if everything is read
1.1 deraadt 142: */
143: #define KVM_READ(kaddr, paddr, len) \
1.11 millert 144: (kvm_read(kd, (u_long)(kaddr), (void *)(paddr), (len)) == (len))
1.1 deraadt 145:
146: kvm_t *kd;
147:
1.35 millert 148: int ufs_filestat(struct vnode *, struct filestat *);
149: int ext2fs_filestat(struct vnode *, struct filestat *);
150: int isofs_filestat(struct vnode *, struct filestat *);
151: int msdos_filestat(struct vnode *, struct filestat *);
152: int nfs_filestat(struct vnode *, struct filestat *);
153: int xfs_filestat(struct vnode *, struct filestat *);
154: int null_filestat(struct vnode *, struct filestat *);
155: void dofiles(struct kinfo_proc *);
156: void getinetproto(int);
157: void socktrans(struct socket *, int);
158: void usage(void);
159: void vtrans(struct vnode *, int, int, off_t);
160: int getfname(char *);
161: void pipetrans(struct pipe *, int);
1.37 deraadt 162: void kqueuetrans(struct kqueue *, int);
1.47 ! deraadt 163: void cryptotrans(void *, int);
! 164: void systracetrans(struct fsystrace *, int);
! 165: char *getmnton(struct mount *);
! 166: const char *inet6_addrstr(struct in6_addr *);
1.1 deraadt 167:
1.11 millert 168: int
1.40 deraadt 169: main(int argc, char *argv[])
1.1 deraadt 170: {
171: extern char *optarg;
172: extern int optind;
1.32 mpech 173: struct passwd *passwd;
1.1 deraadt 174: struct kinfo_proc *p, *plast;
175: int arg, ch, what;
176: char *memf, *nlistf;
1.2 niklas 177: char buf[_POSIX2_LINE_MAX];
1.1 deraadt 178: int cnt;
179:
180: arg = 0;
181: what = KERN_PROC_ALL;
182: nlistf = memf = NULL;
1.28 hugh 183: oflg = 0;
184: while ((ch = getopt(argc, argv, "fnop:u:vN:M:")) != -1)
1.1 deraadt 185: switch((char)ch) {
186: case 'f':
187: fsflg = 1;
188: break;
189: case 'M':
190: memf = optarg;
191: break;
192: case 'N':
193: nlistf = optarg;
194: break;
195: case 'n':
196: nflg = 1;
197: break;
1.28 hugh 198: case 'o':
199: oflg = 1;
200: break;
1.1 deraadt 201: case 'p':
202: if (pflg++)
203: usage();
204: if (!isdigit(*optarg)) {
1.36 mpech 205: warnx( "-p requires a process id");
1.1 deraadt 206: usage();
207: }
208: what = KERN_PROC_PID;
209: arg = atoi(optarg);
210: break;
211: case 'u':
212: if (uflg++)
213: usage();
1.17 mickey 214: if (!(passwd = getpwnam(optarg)))
1.21 deraadt 215: errx(1, "%s: unknown uid", optarg);
1.1 deraadt 216: what = KERN_PROC_UID;
217: arg = passwd->pw_uid;
218: break;
219: case 'v':
220: vflg = 1;
221: break;
222: default:
223: usage();
224: }
225:
1.41 deraadt 226: /*
227: * Discard setgid privileges if not the running kernel so that bad
228: * guys can't print interesting stuff from kernel memory.
229: */
230: if (nlistf != NULL || memf != NULL) {
231: setegid(getgid());
232: setgid(getgid());
233: }
234:
235: if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == NULL)
236: errx(1, "%s", buf);
237:
238: setegid(getgid());
239: setgid(getgid());
240:
1.1 deraadt 241: if (*(argv += optind)) {
242: for (; *argv; ++argv) {
243: if (getfname(*argv))
244: checkfile = 1;
245: }
1.30 pvalchev 246: if (!checkfile) /* file(s) specified, but none accessible */
1.1 deraadt 247: exit(1);
248: }
249:
250: ALLOC_OFILES(256); /* reserve space for file pointers */
251:
1.34 deraadt 252: if (fsflg && !checkfile) {
1.1 deraadt 253: /* -f with no files means use wd */
254: if (getfname(".") == 0)
255: exit(1);
256: checkfile = 1;
257: }
1.16 deraadt 258:
1.17 mickey 259: if ((p = kvm_getprocs(kd, what, arg, &cnt)) == NULL)
1.21 deraadt 260: errx(1, "%s", kvm_geterr(kd));
1.1 deraadt 261: if (nflg)
262: printf("%s",
1.28 hugh 263: "USER CMD PID FD DEV INUM MODE R/W DV|SZ");
1.1 deraadt 264: else
265: printf("%s",
1.28 hugh 266: "USER CMD PID FD MOUNT INUM MODE R/W DV|SZ");
267: if (oflg)
268: printf("%s", ":OFFSET ");
1.1 deraadt 269: if (checkfile && fsflg == 0)
270: printf(" NAME\n");
271: else
272: putchar('\n');
273:
274: for (plast = &p[cnt]; p < plast; ++p) {
275: if (p->kp_proc.p_stat == SZOMB)
276: continue;
277: dofiles(p);
278: }
279: exit(0);
280: }
281:
282: char *Uname, *Comm;
1.14 deraadt 283: pid_t Pid;
1.1 deraadt 284:
1.34 deraadt 285: #define PREFIX(i) do { \
1.39 mpech 286: printf("%-8.8s %-10s %5ld", Uname, Comm, (long)Pid); \
1.1 deraadt 287: switch(i) { \
288: case TEXT: \
289: printf(" text"); \
290: break; \
291: case CDIR: \
292: printf(" wd"); \
293: break; \
294: case RDIR: \
295: printf(" root"); \
296: break; \
297: case TRACE: \
298: printf(" tr"); \
299: break; \
300: default: \
301: printf(" %4d", i); \
302: break; \
1.34 deraadt 303: } \
304: } while (0)
1.1 deraadt 305:
306: /*
307: * print open files attributed to this process
308: */
309: void
1.40 deraadt 310: dofiles(struct kinfo_proc *kp)
1.1 deraadt 311: {
1.11 millert 312: int i;
1.1 deraadt 313: struct file file;
314: struct filedesc0 filed0;
315: #define filed filed0.fd_fd
316: struct proc *p = &kp->kp_proc;
317: struct eproc *ep = &kp->kp_eproc;
318:
319: Uname = user_from_uid(ep->e_ucred.cr_uid, 0);
320: Pid = p->p_pid;
321: Comm = p->p_comm;
322:
323: if (p->p_fd == NULL)
324: return;
325: if (!KVM_READ(p->p_fd, &filed0, sizeof (filed0))) {
1.39 mpech 326: dprintf("can't read filedesc at %p for pid %ld",
327: p->p_fd, (long)Pid);
1.1 deraadt 328: return;
329: }
330: if (filed.fd_nfiles < 0 || filed.fd_lastfile >= filed.fd_nfiles ||
331: filed.fd_freefile > filed.fd_lastfile + 1) {
1.39 mpech 332: dprintf("filedesc corrupted at %p for pid %ld",
333: p->p_fd, (long)Pid);
1.1 deraadt 334: return;
335: }
336: /*
337: * root directory vnode, if one
338: */
339: if (filed.fd_rdir)
1.28 hugh 340: vtrans(filed.fd_rdir, RDIR, FREAD, 0);
1.1 deraadt 341: /*
342: * current working directory vnode
343: */
1.28 hugh 344: vtrans(filed.fd_cdir, CDIR, FREAD, 0);
1.1 deraadt 345: /*
346: * ktrace vnode, if one
347: */
348: if (p->p_tracep)
1.28 hugh 349: vtrans(p->p_tracep, TRACE, FREAD|FWRITE, 0);
1.1 deraadt 350: /*
351: * open files
352: */
353: #define FPSIZE (sizeof (struct file *))
354: ALLOC_OFILES(filed.fd_lastfile+1);
355: if (filed.fd_nfiles > NDFILE) {
356: if (!KVM_READ(filed.fd_ofiles, ofiles,
357: (filed.fd_lastfile+1) * FPSIZE)) {
1.39 mpech 358: dprintf("can't read file structures at %p for pid %ld",
359: filed.fd_ofiles, (long)Pid);
1.1 deraadt 360: return;
361: }
362: } else
363: bcopy(filed0.fd_dfiles, ofiles, (filed.fd_lastfile+1) * FPSIZE);
364: for (i = 0; i <= filed.fd_lastfile; i++) {
365: if (ofiles[i] == NULL)
366: continue;
367: if (!KVM_READ(ofiles[i], &file, sizeof (struct file))) {
1.39 mpech 368: dprintf("can't read file %d at %p for pid %ld",
369: i, ofiles[i], (long)Pid);
1.1 deraadt 370: continue;
371: }
372: if (file.f_type == DTYPE_VNODE)
1.38 deraadt 373: vtrans((struct vnode *)file.f_data, i, file.f_flag,
374: file.f_offset);
1.1 deraadt 375: else if (file.f_type == DTYPE_SOCKET) {
376: if (checkfile == 0)
377: socktrans((struct socket *)file.f_data, i);
1.22 art 378: } else if (file.f_type == DTYPE_PIPE) {
379: if (checkfile == 0)
380: pipetrans((struct pipe *)file.f_data, i);
1.37 deraadt 381: } else if (file.f_type == DTYPE_KQUEUE) {
382: if (checkfile == 0)
383: kqueuetrans((struct kqueue *)file.f_data, i);
384: } else if (file.f_type == DTYPE_CRYPTO) {
385: if (checkfile == 0)
386: cryptotrans(file.f_data, i);
387: } else if (file.f_type == DTYPE_SYSTRACE) {
388: if (checkfile == 0)
1.38 deraadt 389: systracetrans((struct fsystrace *)file.f_data, i);
1.22 art 390: } else {
1.39 mpech 391: dprintf("unknown file type %d for file %d of pid %ld",
392: file.f_type, i, (long)Pid);
1.1 deraadt 393: }
394: }
395: }
396:
397: void
1.40 deraadt 398: vtrans(struct vnode *vp, int i, int flag, off_t offset)
1.1 deraadt 399: {
400: struct vnode vn;
401: struct filestat fst;
1.12 deraadt 402: char rw[3], mode[17];
1.47 ! deraadt 403: char *badtype = NULL, *filename;
1.1 deraadt 404:
405: filename = badtype = NULL;
406: if (!KVM_READ(vp, &vn, sizeof (struct vnode))) {
1.39 mpech 407: dprintf("can't read vnode at %p for pid %ld", vp, (long)Pid);
1.1 deraadt 408: return;
409: }
410: if (vn.v_type == VNON || vn.v_tag == VT_NON)
411: badtype = "none";
412: else if (vn.v_type == VBAD)
413: badtype = "bad";
414: else
415: switch (vn.v_tag) {
416: case VT_UFS:
417: case VT_MFS:
418: if (!ufs_filestat(&vn, &fst))
419: badtype = "error";
420: break;
421: case VT_NFS:
422: if (!nfs_filestat(&vn, &fst))
423: badtype = "error";
424: break;
1.9 downsj 425: case VT_EXT2FS:
426: if (!ext2fs_filestat(&vn, &fst))
427: badtype = "error";
428: break;
1.14 deraadt 429: case VT_ISOFS:
430: if (!isofs_filestat(&vn, &fst))
431: badtype = "error";
432: break;
433: case VT_MSDOSFS:
434: if (!msdos_filestat(&vn, &fst))
435: badtype = "error";
436: break;
1.18 art 437: case VT_XFS:
438: if (!xfs_filestat(&vn, &fst))
439: badtype = "error";
440: break;
1.23 deraadt 441: case VT_NULL:
442: if (!null_filestat(&vn, &fst))
443: badtype = "error";
1.34 deraadt 444: break;
1.1 deraadt 445: default: {
1.12 deraadt 446: static char unknown[30];
1.34 deraadt 447: snprintf(badtype = unknown, sizeof unknown,
448: "?(%x)", vn.v_tag);
1.10 deraadt 449: break;
1.1 deraadt 450: }
451: }
452: if (checkfile) {
453: int fsmatch = 0;
1.32 mpech 454: DEVS *d;
1.1 deraadt 455:
456: if (badtype)
457: return;
458: for (d = devs; d != NULL; d = d->next)
459: if (d->fsid == fst.fsid) {
460: fsmatch = 1;
461: if (d->ino == fst.fileid) {
462: filename = d->name;
463: break;
464: }
465: }
466: if (fsmatch == 0 || (filename == NULL && fsflg == 0))
467: return;
468: }
469: PREFIX(i);
470: if (badtype) {
471: (void)printf(" - - %10s -\n", badtype);
472: return;
473: }
474: if (nflg)
1.31 deraadt 475: (void)printf(" %2ld,%-2ld", (long)major(fst.fsid),
476: (long)minor(fst.fsid));
1.1 deraadt 477: else
478: (void)printf(" %-8s", getmnton(vn.v_mount));
479: if (nflg)
1.34 deraadt 480: (void)snprintf(mode, sizeof mode, "%o", fst.mode);
1.1 deraadt 481: else
482: strmode(fst.mode, mode);
1.28 hugh 483: (void)printf(" %6ld %11s", fst.fileid, mode);
484: rw[0] = '\0';
485: if (flag & FREAD)
1.34 deraadt 486: strlcat(rw, "r", sizeof rw);
1.28 hugh 487: if (flag & FWRITE)
1.34 deraadt 488: strlcat(rw, "w", sizeof rw);
1.28 hugh 489: printf(" %2s", rw);
1.1 deraadt 490: switch (vn.v_type) {
491: case VBLK:
492: case VCHR: {
493: char *name;
494:
1.34 deraadt 495: if (nflg || ((name = devname(fst.rdev, vn.v_type == VCHR ?
1.1 deraadt 496: S_IFCHR : S_IFBLK)) == NULL))
1.28 hugh 497: printf(" %2d,%-3d", major(fst.rdev), minor(fst.rdev));
1.1 deraadt 498: else
1.28 hugh 499: printf(" %7s", name);
500: if (oflg)
501: printf(" ");
1.1 deraadt 502: break;
503: }
504: default:
1.31 deraadt 505: printf(" %8lld", (long long)fst.size);
1.28 hugh 506: if (oflg)
1.31 deraadt 507: printf(":%-8lld", (long long)offset);
1.1 deraadt 508: }
509: if (filename && !fsflg)
1.28 hugh 510: printf(" %s", filename);
1.1 deraadt 511: putchar('\n');
512: }
513:
514: int
1.40 deraadt 515: ufs_filestat(struct vnode *vp, struct filestat *fsp)
1.1 deraadt 516: {
517: struct inode inode;
518:
519: if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) {
1.39 mpech 520: dprintf("can't read inode at %p for pid %ld",
521: VTOI(vp), (long)Pid);
1.1 deraadt 522: return 0;
523: }
524: fsp->fsid = inode.i_dev & 0xffff;
525: fsp->fileid = (long)inode.i_number;
1.11 millert 526: fsp->mode = inode.i_ffs_mode;
527: fsp->size = inode.i_ffs_size;
1.9 downsj 528: fsp->rdev = inode.i_ffs_rdev;
529:
530: return 1;
531: }
532:
533: int
1.40 deraadt 534: ext2fs_filestat(struct vnode *vp, struct filestat *fsp)
1.9 downsj 535: {
536: struct inode inode;
537:
538: if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) {
1.39 mpech 539: dprintf("can't read inode at %p for pid %ld",
540: VTOI(vp), (long)Pid);
1.9 downsj 541: return 0;
542: }
543: fsp->fsid = inode.i_dev & 0xffff;
544: fsp->fileid = (long)inode.i_number;
1.11 millert 545: fsp->mode = inode.i_e2fs_mode;
546: fsp->size = inode.i_e2fs_size;
1.9 downsj 547: fsp->rdev = 0; /* XXX */
1.14 deraadt 548:
549: return 1;
550: }
551:
552: int
1.40 deraadt 553: msdos_filestat(struct vnode *vp, struct filestat *fsp)
1.14 deraadt 554: {
555: #if 0
556: struct inode inode;
557:
558: if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) {
1.39 mpech 559: dprintf("can't read inode at %p for pid %ld",
560: VTOI(vp), (long)Pid);
1.14 deraadt 561: return 0;
562: }
563: fsp->fsid = inode.i_dev & 0xffff;
564: fsp->fileid = (long)inode.i_number;
565: fsp->mode = inode.i_e2fs_mode;
566: fsp->size = inode.i_e2fs_size;
567: fsp->rdev = 0; /* XXX */
568: #endif
1.1 deraadt 569:
570: return 1;
571: }
572:
573: int
1.40 deraadt 574: nfs_filestat(struct vnode *vp, struct filestat *fsp)
1.1 deraadt 575: {
576: struct nfsnode nfsnode;
1.32 mpech 577: mode_t mode;
1.1 deraadt 578:
579: if (!KVM_READ(VTONFS(vp), &nfsnode, sizeof (nfsnode))) {
1.39 mpech 580: dprintf("can't read nfsnode at %p for pid %ld",
581: VTONFS(vp), (long)Pid);
1.1 deraadt 582: return 0;
583: }
584: fsp->fsid = nfsnode.n_vattr.va_fsid;
585: fsp->fileid = nfsnode.n_vattr.va_fileid;
586: fsp->size = nfsnode.n_size;
587: fsp->rdev = nfsnode.n_vattr.va_rdev;
588: mode = (mode_t)nfsnode.n_vattr.va_mode;
589: switch (vp->v_type) {
590: case VREG:
591: mode |= S_IFREG;
592: break;
593: case VDIR:
594: mode |= S_IFDIR;
595: break;
596: case VBLK:
597: mode |= S_IFBLK;
598: break;
599: case VCHR:
600: mode |= S_IFCHR;
601: break;
602: case VLNK:
603: mode |= S_IFLNK;
604: break;
605: case VSOCK:
606: mode |= S_IFSOCK;
607: break;
608: case VFIFO:
609: mode |= S_IFIFO;
610: break;
1.17 mickey 611: default:
612: break;
1.34 deraadt 613: }
1.1 deraadt 614: fsp->mode = mode;
615:
616: return 1;
617: }
618:
1.18 art 619: int
1.44 deraadt 620: xfs_filestat(struct vnode *vp, struct filestat *fsp)
1.18 art 621: {
622: struct xfs_node xfs_node;
623:
624: if (!KVM_READ(VNODE_TO_XNODE(vp), &xfs_node, sizeof (xfs_node))) {
1.39 mpech 625: dprintf("can't read xfs_node at %p for pid %ld",
626: VTOI(vp), (long)Pid);
1.18 art 627: return 0;
628: }
629: fsp->fsid = xfs_node.attr.va_fsid;
630: fsp->fileid = (long)xfs_node.attr.va_fileid;
631: fsp->mode = xfs_node.attr.va_mode;
632: fsp->size = xfs_node.attr.va_size;
633: fsp->rdev = xfs_node.attr.va_rdev;
1.23 deraadt 634:
635: return 1;
636: }
637:
638: int
1.40 deraadt 639: null_filestat(struct vnode *vp, struct filestat *fsp)
1.23 deraadt 640: {
641: struct null_node node;
642: struct filestat fst;
643: struct vnode vn;
644: int fail = 1;
645:
646: memset(&fst, 0, sizeof fst);
647:
648: if (!KVM_READ(VTONULL(vp), &node, sizeof (node))) {
1.39 mpech 649: dprintf("can't read node at %p for pid %ld",
650: VTONULL(vp), (long)Pid);
1.23 deraadt 651: return 0;
652: }
653:
654: /*
655: * Attempt to find information that might be useful.
656: */
657: if (node.null_lowervp) {
658: if (!KVM_READ(node.null_lowervp, &vn, sizeof (vn))) {
1.39 mpech 659: dprintf("can't read vnode at %p for pid %ld",
660: node.null_lowervp, (long)Pid);
1.23 deraadt 661: return 0;
662: }
663:
664: fail = 0;
665: if (vn.v_type == VNON || vn.v_tag == VT_NON)
666: fail = 1;
667: else if (vn.v_type == VBAD)
668: fail = 1;
669: else
670: switch (vn.v_tag) {
671: case VT_UFS:
672: case VT_MFS:
673: if (!ufs_filestat(&vn, &fst))
674: fail = 1;
675: break;
676: case VT_NFS:
677: if (!nfs_filestat(&vn, &fst))
678: fail = 1;
679: break;
680: case VT_EXT2FS:
681: if (!ext2fs_filestat(&vn, &fst))
682: fail = 1;
683: break;
684: case VT_ISOFS:
685: if (!isofs_filestat(&vn, &fst))
686: fail = 1;
687: break;
688: case VT_MSDOSFS:
689: if (!msdos_filestat(&vn, &fst))
690: fail = 1;
691: break;
692: case VT_XFS:
693: if (!xfs_filestat(&vn, &fst))
694: fail = 1;
695: break;
696: default:
697: break;
698: }
699: }
700:
701: fsp->fsid = (long)node.null_vnode;
702: if (fail)
703: fsp->fileid = (long)node.null_lowervp;
704: else
1.34 deraadt 705: fsp->fileid = fst.fileid;
1.23 deraadt 706: fsp->mode = fst.mode;
707: fsp->size = fst.mode;
708: fsp->rdev = fst.mode;
1.18 art 709:
710: return 1;
711: }
1.1 deraadt 712:
713: char *
1.40 deraadt 714: getmnton(struct mount *m)
1.1 deraadt 715: {
716: static struct mount mount;
717: static struct mtab {
718: struct mtab *next;
719: struct mount *m;
720: char mntonname[MNAMELEN];
721: } *mhead = NULL;
1.32 mpech 722: struct mtab *mt;
1.1 deraadt 723:
724: for (mt = mhead; mt != NULL; mt = mt->next)
725: if (m == mt->m)
726: return (mt->mntonname);
727: if (!KVM_READ(m, &mount, sizeof(struct mount))) {
1.17 mickey 728: warn("can't read mount table at %p", m);
1.1 deraadt 729: return (NULL);
730: }
1.17 mickey 731: if ((mt = malloc(sizeof (struct mtab))) == NULL)
732: err(1, "malloc");
1.1 deraadt 733: mt->m = m;
734: bcopy(&mount.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN);
735: mt->next = mhead;
736: mhead = mt;
737: return (mt->mntonname);
1.22 art 738: }
739:
740: void
1.40 deraadt 741: pipetrans(struct pipe *pipe, int i)
1.22 art 742: {
743: struct pipe pi;
744: void *maxaddr;
745:
746: PREFIX(i);
747:
748: printf(" ");
749:
750: /* fill in socket */
751: if (!KVM_READ(pipe, &pi, sizeof(struct pipe))) {
752: dprintf("can't read pipe at %p", pipe);
753: goto bad;
754: }
755:
756: /*
757: * We don't have enough space to fit both peer and own address, so
758: * we select the higher address so both ends of the pipe have the
759: * same visible addr. (it's the higher address because when the other
760: * end closes, it becomes 0)
761: */
762: maxaddr = MAX(pipe, pi.pipe_peer);
763:
1.38 deraadt 764: printf("pipe %p state: %s%s%s\n", maxaddr,
1.34 deraadt 765: (pi.pipe_state & PIPE_WANTR) ? "R" : "",
766: (pi.pipe_state & PIPE_WANTW) ? "W" : "",
767: (pi.pipe_state & PIPE_EOF) ? "E" : "");
1.37 deraadt 768: return;
769: bad:
770: printf("* error\n");
771: }
772:
773: void
1.40 deraadt 774: kqueuetrans(struct kqueue *kq, int i)
1.37 deraadt 775: {
776: struct kqueue kqi;
777:
778: PREFIX(i);
779:
780: printf(" ");
781:
782: /* fill it in */
783: if (!KVM_READ(kq, &kqi, sizeof(struct kqueue))) {
784: dprintf("can't read kqueue at %p", kq);
785: goto bad;
786: }
787:
1.38 deraadt 788: printf("kqueue %p %d state: %s%s\n", kq, kqi.kq_count,
1.37 deraadt 789: (kqi.kq_state & KQ_SEL) ? "S" : "",
790: (kqi.kq_state & KQ_SLEEP) ? "W" : "");
791: return;
792: bad:
793: printf("* error\n");
794: }
795:
796: void
1.40 deraadt 797: cryptotrans(void *f, int i)
1.37 deraadt 798: {
799: PREFIX(i);
800:
801: printf(" ");
802:
1.38 deraadt 803: printf("crypto %p\n", f);
1.37 deraadt 804: }
805:
806: void
1.40 deraadt 807: systracetrans(struct fsystrace *f, int i)
1.37 deraadt 808: {
1.38 deraadt 809: struct fsystrace fi;
810:
1.37 deraadt 811: PREFIX(i);
812:
813: printf(" ");
814:
1.38 deraadt 815: /* fill it in */
816: if (!KVM_READ(f, &fi, sizeof(fi))) {
817: dprintf("can't read fsystrace at %p", f);
818: goto bad;
819: }
1.34 deraadt 820:
1.38 deraadt 821: printf("systrace %p npol %d\n", f, fi.npolicies);
1.22 art 822: return;
823: bad:
824: printf("* error\n");
1.1 deraadt 825: }
826:
1.26 itojun 827: #ifdef INET6
828: const char *
1.40 deraadt 829: inet6_addrstr(struct in6_addr *p)
1.26 itojun 830: {
831: struct sockaddr_in6 sin6;
832: static char hbuf[NI_MAXHOST];
833: #ifdef NI_WITHSCOPEID
834: const int niflags = NI_NUMERICHOST | NI_WITHSCOPEID;
835: #else
836: const int niflags = NI_NUMERICHOST
837: #endif
838:
839: memset(&sin6, 0, sizeof(sin6));
840: sin6.sin6_family = AF_INET6;
841: sin6.sin6_len = sizeof(struct sockaddr_in6);
842: sin6.sin6_addr = *p;
843: if (IN6_IS_ADDR_LINKLOCAL(p) &&
844: *(u_int16_t *)&sin6.sin6_addr.s6_addr[2] != 0) {
845: sin6.sin6_scope_id =
1.38 deraadt 846: ntohs(*(u_int16_t *)&sin6.sin6_addr.s6_addr[2]);
1.26 itojun 847: sin6.sin6_addr.s6_addr[2] = sin6.sin6_addr.s6_addr[3] = 0;
848: }
849:
850: if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len,
1.38 deraadt 851: hbuf, sizeof(hbuf), NULL, 0, niflags))
1.26 itojun 852: return "invalid";
853:
854: return hbuf;
855: }
856: #endif
857:
1.1 deraadt 858: void
1.40 deraadt 859: socktrans(struct socket *sock, int i)
1.1 deraadt 860: {
861: static char *stypename[] = {
862: "unused", /* 0 */
1.38 deraadt 863: "stream", /* 1 */
1.1 deraadt 864: "dgram", /* 2 */
865: "raw", /* 3 */
866: "rdm", /* 4 */
867: "seqpak" /* 5 */
868: };
869: #define STYPEMAX 5
870: struct socket so;
871: struct protosw proto;
872: struct domain dom;
873: struct inpcb inpcb;
874: struct unpcb unpcb;
875: int len;
1.4 deraadt 876: char dname[32];
1.26 itojun 877: #ifdef INET6
878: char xaddrbuf[NI_MAXHOST + 2];
879: #endif
1.1 deraadt 880:
881: PREFIX(i);
882:
883: /* fill in socket */
884: if (!KVM_READ(sock, &so, sizeof(struct socket))) {
1.17 mickey 885: dprintf("can't read sock at %p", sock);
1.1 deraadt 886: goto bad;
887: }
888:
889: /* fill in protosw entry */
890: if (!KVM_READ(so.so_proto, &proto, sizeof(struct protosw))) {
1.17 mickey 891: dprintf("can't read protosw at %p", so.so_proto);
1.1 deraadt 892: goto bad;
893: }
894:
895: /* fill in domain */
896: if (!KVM_READ(proto.pr_domain, &dom, sizeof(struct domain))) {
1.17 mickey 897: dprintf("can't read domain at %p", proto.pr_domain);
1.1 deraadt 898: goto bad;
899: }
900:
901: if ((len = kvm_read(kd, (u_long)dom.dom_name, dname,
1.15 deraadt 902: sizeof(dname) - 1)) != sizeof(dname) -1) {
1.17 mickey 903: dprintf("can't read domain name at %p", dom.dom_name);
1.1 deraadt 904: dname[0] = '\0';
1.38 deraadt 905: } else
1.1 deraadt 906: dname[len] = '\0';
907:
908: if ((u_short)so.so_type > STYPEMAX)
909: printf("* %s ?%d", dname, so.so_type);
910: else
911: printf("* %s %s", dname, stypename[so.so_type]);
912:
1.34 deraadt 913: /*
1.1 deraadt 914: * protocol specific formatting
915: *
916: * Try to find interesting things to print. For tcp, the interesting
917: * thing is the address of the tcpcb, for udp and others, just the
918: * inpcb (socket pcb). For unix domain, its the address of the socket
919: * pcb and the address of the connected pcb (if connected). Otherwise
920: * just print the protocol number and address of the socket itself.
921: * The idea is not to duplicate netstat, but to make available enough
922: * information for further analysis.
923: */
924: switch(dom.dom_family) {
925: case AF_INET:
926: getinetproto(proto.pr_protocol);
1.5 deraadt 927: if (proto.pr_protocol == IPPROTO_TCP) {
928: if (so.so_pcb == NULL)
929: break;
930: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&inpcb,
931: sizeof(struct inpcb)) != sizeof(struct inpcb)) {
1.17 mickey 932: dprintf("can't read inpcb at %p", so.so_pcb);
1.5 deraadt 933: goto bad;
934: }
1.11 millert 935: printf(" %p", inpcb.inp_ppcb);
1.5 deraadt 936: printf(" %s:%d",
937: inpcb.inp_laddr.s_addr == INADDR_ANY ? "*" :
938: inet_ntoa(inpcb.inp_laddr),
939: ntohs(inpcb.inp_lport));
1.17 mickey 940: if (inpcb.inp_fport) {
1.13 deraadt 941: if (so.so_state & SS_CONNECTOUT)
942: printf(" --> ");
943: else
944: printf(" <-- ");
945: printf("%s:%d",
1.5 deraadt 946: inpcb.inp_faddr.s_addr == INADDR_ANY ? "*" :
947: inet_ntoa(inpcb.inp_faddr),
948: ntohs(inpcb.inp_fport));
1.17 mickey 949: }
1.5 deraadt 950: } else if (proto.pr_protocol == IPPROTO_UDP) {
951: if (so.so_pcb == NULL)
952: break;
953: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&inpcb,
954: sizeof(struct inpcb)) != sizeof(struct inpcb)) {
1.17 mickey 955: dprintf("can't read inpcb at %p", so.so_pcb);
1.5 deraadt 956: goto bad;
1.1 deraadt 957: }
1.5 deraadt 958: printf(" %s:%d",
959: inpcb.inp_laddr.s_addr == INADDR_ANY ? "*" :
960: inet_ntoa(inpcb.inp_laddr),
961: ntohs(inpcb.inp_lport));
962: if (inpcb.inp_fport)
1.6 deraadt 963: printf(" <-> %s:%d",
1.5 deraadt 964: inpcb.inp_faddr.s_addr == INADDR_ANY ? "*" :
965: inet_ntoa(inpcb.inp_faddr),
966: ntohs(inpcb.inp_fport));
967: } else if (so.so_pcb)
1.11 millert 968: printf(" %p", so.so_pcb);
1.1 deraadt 969: break;
1.26 itojun 970: #ifdef INET6
971: case AF_INET6:
972: getinetproto(proto.pr_protocol);
973: if (proto.pr_protocol == IPPROTO_TCP) {
974: if (so.so_pcb == NULL)
975: break;
976: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&inpcb,
977: sizeof(struct inpcb)) != sizeof(struct inpcb)) {
978: dprintf("can't read inpcb at %p", so.so_pcb);
979: goto bad;
980: }
981: printf(" %p", inpcb.inp_ppcb);
982: snprintf(xaddrbuf, sizeof(xaddrbuf), "[%s]",
983: inet6_addrstr(&inpcb.inp_laddr6));
984: printf(" %s:%d",
985: IN6_IS_ADDR_UNSPECIFIED(&inpcb.inp_laddr6) ? "*" :
986: xaddrbuf,
987: ntohs(inpcb.inp_lport));
988: if (inpcb.inp_fport) {
989: if (so.so_state & SS_CONNECTOUT)
990: printf(" --> ");
991: else
992: printf(" <-- ");
993: snprintf(xaddrbuf, sizeof(xaddrbuf), "[%s]",
994: inet6_addrstr(&inpcb.inp_faddr6));
995: printf("%s:%d",
996: IN6_IS_ADDR_UNSPECIFIED(&inpcb.inp_faddr6) ? "*" :
997: xaddrbuf,
998: ntohs(inpcb.inp_fport));
999: }
1000: } else if (proto.pr_protocol == IPPROTO_UDP) {
1001: if (so.so_pcb == NULL)
1002: break;
1003: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&inpcb,
1004: sizeof(struct inpcb)) != sizeof(struct inpcb)) {
1005: dprintf("can't read inpcb at %p", so.so_pcb);
1006: goto bad;
1007: }
1008: snprintf(xaddrbuf, sizeof(xaddrbuf), "[%s]",
1009: inet6_addrstr(&inpcb.inp_laddr6));
1010: printf(" %s:%d",
1011: IN6_IS_ADDR_UNSPECIFIED(&inpcb.inp_laddr6) ? "*" :
1012: xaddrbuf,
1013: ntohs(inpcb.inp_lport));
1.33 itojun 1014: if (inpcb.inp_fport) {
1.26 itojun 1015: snprintf(xaddrbuf, sizeof(xaddrbuf), "[%s]",
1016: inet6_addrstr(&inpcb.inp_faddr6));
1017: printf(" <-> %s:%d",
1018: IN6_IS_ADDR_UNSPECIFIED(&inpcb.inp_faddr6) ? "*" :
1019: xaddrbuf,
1020: ntohs(inpcb.inp_fport));
1.33 itojun 1021: }
1.26 itojun 1022: } else if (so.so_pcb)
1023: printf(" %p", so.so_pcb);
1024: break;
1025: #endif
1.1 deraadt 1026: case AF_UNIX:
1027: /* print address of pcb and connected pcb */
1028: if (so.so_pcb) {
1.11 millert 1029: printf(" %p", so.so_pcb);
1.1 deraadt 1030: if (kvm_read(kd, (u_long)so.so_pcb, (char *)&unpcb,
1031: sizeof(struct unpcb)) != sizeof(struct unpcb)){
1.17 mickey 1032: dprintf("can't read unpcb at %p", so.so_pcb);
1.1 deraadt 1033: goto bad;
1034: }
1035: if (unpcb.unp_conn) {
1036: char shoconn[4], *cp;
1037:
1038: cp = shoconn;
1039: if (!(so.so_state & SS_CANTRCVMORE))
1040: *cp++ = '<';
1041: *cp++ = '-';
1042: if (!(so.so_state & SS_CANTSENDMORE))
1043: *cp++ = '>';
1044: *cp = '\0';
1.11 millert 1045: printf(" %s %p", shoconn,
1046: unpcb.unp_conn);
1.1 deraadt 1047: }
1048: }
1049: break;
1050: default:
1051: /* print protocol number and socket address */
1.11 millert 1052: printf(" %d %p", proto.pr_protocol, sock);
1.1 deraadt 1053: }
1054: printf("\n");
1055: return;
1056: bad:
1057: printf("* error\n");
1058: }
1059:
1060: /*
1061: * getinetproto --
1062: * print name of protocol number
1063: */
1064: void
1065: getinetproto(number)
1066: int number;
1067: {
1.24 deraadt 1068: static int isopen;
1.32 mpech 1069: struct protoent *pe;
1.1 deraadt 1070:
1.24 deraadt 1071: if (!isopen)
1072: setprotoent(++isopen);
1073: if ((pe = getprotobynumber(number)) != NULL)
1074: printf(" %s", pe->p_name);
1075: else
1.1 deraadt 1076: printf(" %d", number);
1077: }
1078:
1.11 millert 1079: int
1.40 deraadt 1080: getfname(char *filename)
1.1 deraadt 1081: {
1082: struct stat statbuf;
1083: DEVS *cur;
1084:
1085: if (stat(filename, &statbuf)) {
1.27 millert 1086: warn("%s", filename);
1.1 deraadt 1087: return(0);
1088: }
1.17 mickey 1089: if ((cur = malloc(sizeof(DEVS))) == NULL)
1090: err(1, "malloc");
1.1 deraadt 1091: cur->next = devs;
1092: devs = cur;
1093:
1094: cur->ino = statbuf.st_ino;
1095: cur->fsid = statbuf.st_dev & 0xffff;
1096: cur->name = filename;
1097: return(1);
1098: }
1099:
1100: void
1.40 deraadt 1101: usage(void)
1.1 deraadt 1102: {
1.38 deraadt 1103: fprintf(stderr, "usage: fstat [-fnv] [-p pid] [-u user] "
1104: "[-N system] [-M core] [file ...]\n");
1.1 deraadt 1105: exit(1);
1106: }
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