Annotation of src/usr.bin/fstat/fstat.c, Revision 1.69
1.69 ! nicm 1: /* $OpenBSD: fstat.c,v 1.68 2009/07/08 16:04:00 millert Exp $ */
1.65 millert 2:
3: /*
4: * Copyright (c) 2009 Todd C. Miller <Todd.Miller@courtesan.com>
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
1.2 niklas 18:
1.1 deraadt 19: /*-
20: * Copyright (c) 1988, 1993
21: * The Regents of the University of California. All rights reserved.
22: *
23: * Redistribution and use in source and binary forms, with or without
24: * modification, are permitted provided that the following conditions
25: * are met:
26: * 1. Redistributions of source code must retain the above copyright
27: * notice, this list of conditions and the following disclaimer.
28: * 2. Redistributions in binary form must reproduce the above copyright
29: * notice, this list of conditions and the following disclaimer in the
30: * documentation and/or other materials provided with the distribution.
1.43 millert 31: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 32: * may be used to endorse or promote products derived from this software
33: * without specific prior written permission.
34: *
35: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
36: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
37: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
38: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
39: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
40: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
41: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
42: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
43: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
44: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
45: * SUCH DAMAGE.
46: */
47:
48: #ifndef lint
1.68 millert 49: static const char copyright[] =
1.1 deraadt 50: "@(#) Copyright (c) 1988, 1993\n\
51: The Regents of the University of California. All rights reserved.\n";
52: #endif /* not lint */
53:
54: #ifndef lint
1.68 millert 55: /*static const char sccsid[] = "from: @(#)fstat.c 8.1 (Berkeley) 6/6/93";*/
1.69 ! nicm 56: static const char rcsid[] = "$OpenBSD: fstat.c,v 1.68 2009/07/08 16:04:00 millert Exp $";
1.1 deraadt 57: #endif /* not lint */
58:
59: #include <sys/param.h>
1.68 millert 60: #include <sys/queue.h>
61: #include <sys/mount.h>
1.1 deraadt 62: #include <sys/stat.h>
63: #include <sys/vnode.h>
64: #include <sys/socket.h>
65: #include <sys/socketvar.h>
1.37 deraadt 66: #include <sys/eventvar.h>
1.1 deraadt 67: #include <sys/sysctl.h>
1.65 millert 68: #define _KERNEL /* for DTYPE_* */
1.1 deraadt 69: #include <sys/file.h>
70: #undef _KERNEL
1.61 thib 71:
1.1 deraadt 72: #include <net/route.h>
73: #include <netinet/in.h>
1.26 itojun 74:
75: #include <netdb.h>
1.5 deraadt 76: #include <arpa/inet.h>
77:
1.22 art 78: #include <sys/pipe.h>
79:
1.1 deraadt 80: #include <ctype.h>
81: #include <errno.h>
1.65 millert 82: #include <fcntl.h>
1.1 deraadt 83: #include <kvm.h>
1.2 niklas 84: #include <limits.h>
1.1 deraadt 85: #include <nlist.h>
86: #include <pwd.h>
1.68 millert 87: #include <signal.h>
1.1 deraadt 88: #include <stdio.h>
1.65 millert 89: #include <stdint.h>
1.1 deraadt 90: #include <stdlib.h>
91: #include <string.h>
1.11 millert 92: #include <unistd.h>
1.17 mickey 93: #include <err.h>
1.1 deraadt 94:
1.68 millert 95: #include "fstat.h"
96:
97: struct fileargs fileargs = SLIST_HEAD_INITIALIZER(fileargs);
1.1 deraadt 98:
1.46 deraadt 99: int fsflg; /* show files on same filesystem as file(s) argument */
100: int pflg; /* show files open by a particular pid */
101: int uflg; /* show files open by a particular (effective) user */
1.38 deraadt 102: int checkfile; /* true if restricting to particular files or filesystems */
1.1 deraadt 103: int nflg; /* (numerical) display f.s. and rdev as dev_t */
1.28 hugh 104: int oflg; /* display file offset */
1.56 mickey 105: int sflg; /* display file xfer/bytes counters */
1.1 deraadt 106: int vflg; /* display errors in locating kernel data objects etc... */
1.68 millert 107: int cflg; /* fuser only */
108:
109: int fuser; /* 1 if we are fuser, 0 if we are fstat */
110: int signo; /* signal to send (fuser only) */
1.1 deraadt 111:
112: kvm_t *kd;
1.62 deraadt 113: uid_t uid;
1.1 deraadt 114:
1.68 millert 115: void fstat_dofile(struct kinfo_file2 *);
116: void fstat_header(void);
117: void fuser_dofile(struct kinfo_file2 *);
1.35 millert 118: void getinetproto(int);
119: void usage(void);
120: int getfname(char *);
1.65 millert 121: void cryptotrans(struct kinfo_file2 *);
122: void kqueuetrans(struct kinfo_file2 *);
123: void pipetrans(struct kinfo_file2 *);
124: void socktrans(struct kinfo_file2 *);
125: void systracetrans(struct kinfo_file2 *);
126: void vtrans(struct kinfo_file2 *);
1.47 deraadt 127: const char *inet6_addrstr(struct in6_addr *);
1.68 millert 128: int signame_to_signum(char *);
1.1 deraadt 129:
1.11 millert 130: int
1.40 deraadt 131: main(int argc, char *argv[])
1.1 deraadt 132: {
1.32 mpech 133: struct passwd *passwd;
1.65 millert 134: struct kinfo_file2 *kf, *kflast;
1.1 deraadt 135: int arg, ch, what;
1.68 millert 136: char *memf, *nlistf, *optstr;
1.2 niklas 137: char buf[_POSIX2_LINE_MAX];
1.58 tedu 138: const char *errstr;
1.65 millert 139: int cnt, flags;
1.1 deraadt 140:
1.65 millert 141: arg = -1;
142: what = KERN_FILE_BYPID;
1.1 deraadt 143: nlistf = memf = NULL;
1.28 hugh 144: oflg = 0;
1.68 millert 145:
146: /* are we fstat(1) or fuser(1)? */
147: if (strcmp(__progname, "fuser") == 0) {
148: fuser = 1;
149: optstr = "cfks:uM:N:";
150: } else {
151: fuser = 0;
152: optstr = "fnop:su:vN:M:";
153: }
154:
155: /*
156: * fuser and fstat share three flags: -f, -s and -u. In both cases
157: * -f is a boolean, but for -u fstat wants an argument while fuser
158: * does not and for -s fuser wants an argument whereas fstat does not.
159: */
160: while ((ch = getopt(argc, argv, optstr)) != -1)
1.60 sobrado 161: switch ((char)ch) {
1.68 millert 162: case 'c':
163: if (fsflg)
164: usage();
165: cflg = 1;
166: break;
1.1 deraadt 167: case 'f':
1.68 millert 168: if (cflg)
169: usage();
1.1 deraadt 170: fsflg = 1;
171: break;
1.68 millert 172: case 'k':
173: sflg = 1;
174: signo = SIGKILL;
175: break;
1.1 deraadt 176: case 'M':
177: memf = optarg;
178: break;
179: case 'N':
180: nlistf = optarg;
181: break;
182: case 'n':
183: nflg = 1;
184: break;
1.28 hugh 185: case 'o':
186: oflg = 1;
187: break;
1.1 deraadt 188: case 'p':
189: if (pflg++)
190: usage();
1.58 tedu 191: arg = strtonum(optarg, 0, INT_MAX, &errstr);
192: if (errstr != NULL) {
193: warnx("-p requires a process id, %s: %s",
194: errstr, optarg);
1.1 deraadt 195: usage();
196: }
1.65 millert 197: what = KERN_FILE_BYPID;
1.1 deraadt 198: break;
1.56 mickey 199: case 's':
200: sflg = 1;
1.68 millert 201: if (fuser) {
202: signo = signame_to_signum(optarg);
203: if (signo == -1) {
204: warnx("invalid signal %s", optarg);
205: usage();
206: }
207: }
1.56 mickey 208: break;
1.1 deraadt 209: case 'u':
210: if (uflg++)
211: usage();
1.68 millert 212: if (!fuser) {
1.69 ! nicm 213: if (!(passwd = getpwnam(optarg))) {
! 214: arg = strtonum(optarg, 0, UID_MAX,
! 215: &errstr);
! 216: if (errstr != NULL) {
! 217: errx(1, "%s: unknown uid",
! 218: optarg);
! 219: }
! 220: } else
! 221: arg = passwd->pw_uid;
1.68 millert 222: what = KERN_FILE_BYUID;
223: }
1.1 deraadt 224: break;
225: case 'v':
226: vflg = 1;
227: break;
228: default:
229: usage();
230: }
231:
1.41 deraadt 232: /*
1.62 deraadt 233: * get the uid, for oflg and sflg
234: */
235: uid = getuid();
236:
237: /*
1.65 millert 238: * Use sysctl unless inspecting an alternate kernel.
1.41 deraadt 239: */
1.65 millert 240: if (nlistf == NULL || memf == NULL)
241: flags = KVM_NO_FILES;
242: else
243: flags = O_RDONLY;
1.41 deraadt 244:
1.65 millert 245: if ((kd = kvm_openfiles(nlistf, memf, NULL, flags, buf)) == NULL)
1.41 deraadt 246: errx(1, "%s", buf);
247:
1.1 deraadt 248: if (*(argv += optind)) {
249: for (; *argv; ++argv) {
250: if (getfname(*argv))
251: checkfile = 1;
252: }
1.68 millert 253: /* file(s) specified, but none accessible */
254: if (!checkfile)
1.1 deraadt 255: exit(1);
1.68 millert 256: } else if (fuser)
257: usage();
1.1 deraadt 258:
1.68 millert 259: if (!fuser && fsflg && !checkfile) {
260: /* fstat -f with no files means use wd */
1.1 deraadt 261: if (getfname(".") == 0)
262: exit(1);
263: checkfile = 1;
264: }
1.16 deraadt 265:
1.65 millert 266: if ((kf = kvm_getfile2(kd, what, arg, sizeof(*kf), &cnt)) == NULL)
1.21 deraadt 267: errx(1, "%s", kvm_geterr(kd));
1.68 millert 268:
269: if (!fuser)
270: fstat_header();
271: for (kflast = &kf[cnt]; kf < kflast; ++kf) {
272: if (fuser)
273: fuser_check(kf);
274: else
275: fstat_dofile(kf);
276: }
277: if (fuser)
278: fuser_run();
279:
280: exit(0);
281: }
282:
283: void
284: fstat_header(void)
285: {
1.1 deraadt 286: if (nflg)
287: printf("%s",
1.60 sobrado 288: "USER CMD PID FD DEV INUM MODE R/W SZ|DV");
1.1 deraadt 289: else
290: printf("%s",
1.60 sobrado 291: "USER CMD PID FD MOUNT INUM MODE R/W SZ|DV");
1.28 hugh 292: if (oflg)
293: printf("%s", ":OFFSET ");
1.1 deraadt 294: if (checkfile && fsflg == 0)
1.56 mickey 295: printf(" NAME");
296: if (sflg)
297: printf(" XFERS KBYTES");
298: putchar('\n');
1.1 deraadt 299: }
300:
301: char *Uname, *Comm;
1.62 deraadt 302: uid_t *procuid;
1.14 deraadt 303: pid_t Pid;
1.1 deraadt 304:
1.34 deraadt 305: #define PREFIX(i) do { \
1.39 mpech 306: printf("%-8.8s %-10s %5ld", Uname, Comm, (long)Pid); \
1.60 sobrado 307: switch (i) { \
1.65 millert 308: case KERN_FILE_TEXT: \
1.1 deraadt 309: printf(" text"); \
310: break; \
1.65 millert 311: case KERN_FILE_CDIR: \
1.1 deraadt 312: printf(" wd"); \
313: break; \
1.65 millert 314: case KERN_FILE_RDIR: \
1.1 deraadt 315: printf(" root"); \
316: break; \
1.65 millert 317: case KERN_FILE_TRACE: \
1.1 deraadt 318: printf(" tr"); \
319: break; \
320: default: \
321: printf(" %4d", i); \
322: break; \
1.34 deraadt 323: } \
324: } while (0)
1.1 deraadt 325:
326: /*
327: * print open files attributed to this process
328: */
329: void
1.68 millert 330: fstat_dofile(struct kinfo_file2 *kf)
1.1 deraadt 331: {
332:
1.65 millert 333: Uname = user_from_uid(kf->p_uid, 0);
334: procuid = &kf->p_uid;
335: Pid = kf->p_pid;
336: Comm = kf->p_comm;
1.56 mickey 337:
1.65 millert 338: switch (kf->f_type) {
339: case DTYPE_VNODE:
340: vtrans(kf);
341: break;
342: case DTYPE_SOCKET:
1.67 miod 343: if (checkfile == 0)
344: socktrans(kf);
1.65 millert 345: break;
346: case DTYPE_PIPE:
1.67 miod 347: if (checkfile == 0)
348: pipetrans(kf);
1.65 millert 349: break;
350: case DTYPE_KQUEUE:
1.67 miod 351: if (checkfile == 0)
352: kqueuetrans(kf);
1.65 millert 353: break;
354: case DTYPE_CRYPTO:
1.67 miod 355: if (checkfile == 0)
356: cryptotrans(kf);
1.65 millert 357: break;
358: case DTYPE_SYSTRACE:
1.67 miod 359: if (checkfile == 0)
360: systracetrans(kf);
1.65 millert 361: break;
362: default:
363: if (vflg) {
364: warnx("unknown file type %d for file %d of pid %ld",
365: kf->f_type, kf->fd_fd, (long)Pid);
1.1 deraadt 366: }
1.65 millert 367: break;
1.1 deraadt 368: }
369: }
370:
371: void
1.65 millert 372: vtrans(struct kinfo_file2 *kf)
1.1 deraadt 373: {
1.65 millert 374: const char *badtype = NULL;
375: char rw[3], mode[12];
376: char *filename = NULL;
377:
378: if (kf->v_type == VNON)
1.1 deraadt 379: badtype = "none";
1.65 millert 380: else if (kf->v_type == VBAD)
1.1 deraadt 381: badtype = "bad";
1.65 millert 382: else if (kf->v_tag == VT_NON && !(kf->v_flag & VCLONE))
383: badtype = "none"; /* not a clone */
384:
1.1 deraadt 385: if (checkfile) {
386: int fsmatch = 0;
1.68 millert 387: struct filearg *fa;
1.1 deraadt 388:
389: if (badtype)
390: return;
1.68 millert 391: SLIST_FOREACH(fa, &fileargs, next) {
392: if (fa->dev == kf->va_fsid) {
1.1 deraadt 393: fsmatch = 1;
1.68 millert 394: if (fa->ino == kf->va_fileid) {
395: filename = fa->name;
1.1 deraadt 396: break;
397: }
398: }
1.65 millert 399: }
1.1 deraadt 400: if (fsmatch == 0 || (filename == NULL && fsflg == 0))
401: return;
402: }
1.65 millert 403: PREFIX(kf->fd_fd);
1.1 deraadt 404: if (badtype) {
1.53 mickey 405: (void)printf(" - - %10s -\n", badtype);
1.1 deraadt 406: return;
407: }
1.61 thib 408:
1.1 deraadt 409: if (nflg)
1.65 millert 410: (void)printf(" %2ld,%-2ld", (long)major(kf->va_fsid),
411: (long)minor(kf->va_fsid));
412: else if (!(kf->v_flag & VCLONE))
413: (void)printf(" %-8s", kf->f_mntonname);
1.1 deraadt 414: else
1.61 thib 415: (void)printf(" clone");
1.1 deraadt 416: if (nflg)
1.65 millert 417: (void)snprintf(mode, sizeof(mode), "%o", kf->va_mode);
1.1 deraadt 418: else
1.65 millert 419: strmode(kf->va_mode, mode);
420: printf(" %8llu %11s", kf->va_fileid, mode);
1.28 hugh 421: rw[0] = '\0';
1.65 millert 422: if (kf->f_flag & FREAD)
1.34 deraadt 423: strlcat(rw, "r", sizeof rw);
1.65 millert 424: if (kf->f_flag & FWRITE)
1.34 deraadt 425: strlcat(rw, "w", sizeof rw);
1.28 hugh 426: printf(" %2s", rw);
1.65 millert 427: switch (kf->v_type) {
1.1 deraadt 428: case VBLK:
429: case VCHR: {
430: char *name;
431:
1.65 millert 432: if (nflg || ((name = devname(kf->va_rdev,
433: kf->v_type == VCHR ? S_IFCHR : S_IFBLK)) == NULL))
434: printf(" %2d,%-3d", major(kf->va_rdev), minor(kf->va_rdev));
1.1 deraadt 435: else
1.28 hugh 436: printf(" %7s", name);
437: if (oflg)
438: printf(" ");
1.1 deraadt 439: break;
440: }
441: default:
1.65 millert 442: printf(" %8llu", kf->va_size);
1.62 deraadt 443: if (oflg) {
444: if (uid == 0 || uid == *procuid)
1.65 millert 445: printf(":%-8llu", kf->f_offset);
1.62 deraadt 446: else
447: printf(":%-8s", "*");
448: }
449: }
450: if (sflg) {
451: if (uid == 0 || uid == *procuid) {
1.65 millert 452: printf(" %8llu %8llu",
453: (kf->f_rxfer + kf->f_rwfer),
454: (kf->f_rbytes + kf->f_wbytes) / 1024);
1.62 deraadt 455: } else {
456: printf(" %8s %8s", "*", "*");
457: }
1.1 deraadt 458: }
459: if (filename && !fsflg)
1.28 hugh 460: printf(" %s", filename);
1.1 deraadt 461: putchar('\n');
462: }
463:
1.22 art 464: void
1.65 millert 465: pipetrans(struct kinfo_file2 *kf)
1.22 art 466: {
467: void *maxaddr;
468:
1.65 millert 469: PREFIX(kf->fd_fd);
1.22 art 470:
471: printf(" ");
472:
473: /*
474: * We don't have enough space to fit both peer and own address, so
475: * we select the higher address so both ends of the pipe have the
476: * same visible addr. (it's the higher address because when the other
477: * end closes, it becomes 0)
478: */
1.65 millert 479: maxaddr = (void *)(uintptr_t)MAX(kf->f_data, kf->pipe_peer);
1.22 art 480:
1.56 mickey 481: printf("pipe %p state: %s%s%s", maxaddr,
1.65 millert 482: (kf->pipe_state & PIPE_WANTR) ? "R" : "",
483: (kf->pipe_state & PIPE_WANTW) ? "W" : "",
484: (kf->pipe_state & PIPE_EOF) ? "E" : "");
1.56 mickey 485: if (sflg)
1.65 millert 486: printf("\t%8llu %8llu",
487: (kf->f_rxfer + kf->f_rwfer),
488: (kf->f_rbytes + kf->f_wbytes) / 1024);
1.56 mickey 489: printf("\n");
1.37 deraadt 490: return;
491: }
492:
493: void
1.65 millert 494: kqueuetrans(struct kinfo_file2 *kf)
1.37 deraadt 495: {
1.65 millert 496: PREFIX(kf->fd_fd);
1.37 deraadt 497:
498: printf(" ");
499:
1.65 millert 500: printf("kqueue %p %d state: %s%s\n", (void *)(uintptr_t)kf->f_data,
501: kf->kq_count,
502: (kf->kq_state & KQ_SEL) ? "S" : "",
503: (kf->kq_state & KQ_SLEEP) ? "W" : "");
1.37 deraadt 504: return;
505: }
506:
507: void
1.65 millert 508: cryptotrans(struct kinfo_file2 *kf)
1.37 deraadt 509: {
1.65 millert 510: PREFIX(kf->fd_fd);
1.37 deraadt 511:
512: printf(" ");
513:
1.65 millert 514: printf("crypto %p\n", (void *)(uintptr_t)kf->f_data);
1.37 deraadt 515: }
516:
517: void
1.65 millert 518: systracetrans(struct kinfo_file2 *kf)
1.37 deraadt 519: {
1.65 millert 520: PREFIX(kf->fd_fd);
1.37 deraadt 521:
522: printf(" ");
523:
1.65 millert 524: printf("systrace %p npol %d\n", (void *)(uintptr_t)kf->f_data,
525: kf->str_npolicies);
1.22 art 526: return;
1.1 deraadt 527: }
528:
1.26 itojun 529: #ifdef INET6
530: const char *
1.40 deraadt 531: inet6_addrstr(struct in6_addr *p)
1.26 itojun 532: {
533: struct sockaddr_in6 sin6;
534: static char hbuf[NI_MAXHOST];
1.50 itojun 535: const int niflags = NI_NUMERICHOST;
1.26 itojun 536:
537: memset(&sin6, 0, sizeof(sin6));
538: sin6.sin6_family = AF_INET6;
539: sin6.sin6_len = sizeof(struct sockaddr_in6);
540: sin6.sin6_addr = *p;
541: if (IN6_IS_ADDR_LINKLOCAL(p) &&
542: *(u_int16_t *)&sin6.sin6_addr.s6_addr[2] != 0) {
543: sin6.sin6_scope_id =
1.38 deraadt 544: ntohs(*(u_int16_t *)&sin6.sin6_addr.s6_addr[2]);
1.26 itojun 545: sin6.sin6_addr.s6_addr[2] = sin6.sin6_addr.s6_addr[3] = 0;
546: }
547:
548: if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len,
1.38 deraadt 549: hbuf, sizeof(hbuf), NULL, 0, niflags))
1.26 itojun 550: return "invalid";
551:
552: return hbuf;
553: }
554: #endif
555:
1.1 deraadt 556: void
1.65 millert 557: socktrans(struct kinfo_file2 *kf)
1.1 deraadt 558: {
559: static char *stypename[] = {
560: "unused", /* 0 */
1.38 deraadt 561: "stream", /* 1 */
1.1 deraadt 562: "dgram", /* 2 */
563: "raw", /* 3 */
564: "rdm", /* 4 */
565: "seqpak" /* 5 */
566: };
567: #define STYPEMAX 5
1.66 chl 568: char *stype, stypebuf[24];
1.65 millert 569: struct in_addr laddr, faddr;
1.26 itojun 570: #ifdef INET6
571: char xaddrbuf[NI_MAXHOST + 2];
1.65 millert 572: struct in6_addr laddr6, faddr6;
1.26 itojun 573: #endif
1.1 deraadt 574:
1.65 millert 575: PREFIX(kf->fd_fd);
1.1 deraadt 576:
1.65 millert 577: if (kf->so_type > STYPEMAX) {
578: snprintf(stypebuf, sizeof(stypebuf), "?%d", kf->so_type);
579: stype = stypebuf;
580: } else {
581: stype = stypename[kf->so_type];
1.1 deraadt 582: }
583:
1.34 deraadt 584: /*
1.1 deraadt 585: * protocol specific formatting
586: *
587: * Try to find interesting things to print. For tcp, the interesting
588: * thing is the address of the tcpcb, for udp and others, just the
589: * inpcb (socket pcb). For unix domain, its the address of the socket
590: * pcb and the address of the connected pcb (if connected). Otherwise
591: * just print the protocol number and address of the socket itself.
592: * The idea is not to duplicate netstat, but to make available enough
593: * information for further analysis.
594: */
1.65 millert 595: switch (kf->so_family) {
1.1 deraadt 596: case AF_INET:
1.65 millert 597: printf("* internet %s", stype);
598: memcpy(&laddr, kf->inp_laddru, sizeof(laddr));
599: memcpy(&faddr, kf->inp_faddru, sizeof(faddr));
600: getinetproto(kf->so_protocol);
601: if (kf->so_protocol == IPPROTO_TCP) {
1.68 millert 602: printf(" %p", (void *)(uintptr_t)kf->inp_ppcb);
1.65 millert 603: printf(" %s:%d", laddr.s_addr == INADDR_ANY ? "*" :
604: inet_ntoa(laddr), ntohs(kf->inp_lport));
605: if (kf->inp_fport) {
606: if (kf->so_state & SS_CONNECTOUT)
1.13 deraadt 607: printf(" --> ");
608: else
609: printf(" <-- ");
610: printf("%s:%d",
1.65 millert 611: faddr.s_addr == INADDR_ANY ? "*" :
612: inet_ntoa(faddr), ntohs(kf->inp_fport));
1.17 mickey 613: }
1.65 millert 614: } else if (kf->so_protocol == IPPROTO_UDP) {
615: printf(" %s:%d", laddr.s_addr == INADDR_ANY ? "*" :
616: inet_ntoa(laddr), ntohs(kf->inp_lport));
617: if (kf->inp_fport) {
618: printf(" <-> %s:%d",
619: faddr.s_addr == INADDR_ANY ? "*" :
620: inet_ntoa(faddr), ntohs(kf->inp_fport));
1.1 deraadt 621: }
1.65 millert 622: } else if (kf->so_pcb)
1.68 millert 623: printf(" %p", (void *)(uintptr_t)kf->so_pcb);
1.1 deraadt 624: break;
1.26 itojun 625: #ifdef INET6
626: case AF_INET6:
1.65 millert 627: printf("* internet6 %s", stype);
628: memcpy(&laddr6, kf->inp_laddru, sizeof(laddr6));
629: memcpy(&faddr6, kf->inp_faddru, sizeof(faddr6));
630: getinetproto(kf->so_protocol);
631: if (kf->so_protocol == IPPROTO_TCP) {
1.68 millert 632: printf(" %p", (void *)(uintptr_t)kf->inp_ppcb);
1.26 itojun 633: snprintf(xaddrbuf, sizeof(xaddrbuf), "[%s]",
1.65 millert 634: inet6_addrstr(&laddr6));
1.26 itojun 635: printf(" %s:%d",
1.65 millert 636: IN6_IS_ADDR_UNSPECIFIED(&laddr6) ? "*" :
637: xaddrbuf, ntohs(kf->inp_lport));
638: if (kf->inp_fport) {
639: if (kf->so_state & SS_CONNECTOUT)
1.26 itojun 640: printf(" --> ");
641: else
642: printf(" <-- ");
643: snprintf(xaddrbuf, sizeof(xaddrbuf), "[%s]",
1.65 millert 644: inet6_addrstr(&faddr6));
1.26 itojun 645: printf("%s:%d",
1.65 millert 646: IN6_IS_ADDR_UNSPECIFIED(&faddr6) ? "*" :
647: xaddrbuf, ntohs(kf->inp_fport));
1.26 itojun 648: }
1.65 millert 649: } else if (kf->so_protocol == IPPROTO_UDP) {
1.26 itojun 650: snprintf(xaddrbuf, sizeof(xaddrbuf), "[%s]",
1.65 millert 651: inet6_addrstr(&laddr6));
1.26 itojun 652: printf(" %s:%d",
1.65 millert 653: IN6_IS_ADDR_UNSPECIFIED(&laddr6) ? "*" :
654: xaddrbuf, ntohs(kf->inp_lport));
655: if (kf->inp_fport) {
1.26 itojun 656: snprintf(xaddrbuf, sizeof(xaddrbuf), "[%s]",
1.65 millert 657: inet6_addrstr(&faddr6));
1.26 itojun 658: printf(" <-> %s:%d",
1.65 millert 659: IN6_IS_ADDR_UNSPECIFIED(&faddr6) ? "*" :
660: xaddrbuf, ntohs(kf->inp_fport));
1.33 itojun 661: }
1.65 millert 662: } else if (kf->so_pcb)
1.68 millert 663: printf(" %p", (void *)(uintptr_t)kf->so_pcb);
1.26 itojun 664: break;
665: #endif
1.1 deraadt 666: case AF_UNIX:
667: /* print address of pcb and connected pcb */
1.65 millert 668: printf("* unix %s", stype);
669: if (kf->so_pcb) {
1.68 millert 670: printf(" %p", (void *)(uintptr_t)kf->so_pcb);
1.65 millert 671: if (kf->unp_conn) {
1.1 deraadt 672: char shoconn[4], *cp;
673:
674: cp = shoconn;
1.65 millert 675: if (!(kf->so_state & SS_CANTRCVMORE))
1.1 deraadt 676: *cp++ = '<';
677: *cp++ = '-';
1.65 millert 678: if (!(kf->so_state & SS_CANTSENDMORE))
1.1 deraadt 679: *cp++ = '>';
680: *cp = '\0';
1.11 millert 681: printf(" %s %p", shoconn,
1.65 millert 682: (void *)(uintptr_t)kf->unp_conn);
1.1 deraadt 683: }
684: }
685: break;
1.65 millert 686: case AF_MPLS:
687: /* print protocol number and socket address */
688: printf("* mpls %s", stype);
689: printf(" %d %p", kf->so_protocol,
690: (void *)(uintptr_t)kf->f_data);
691: break;
692: case AF_ROUTE:
693: /* print protocol number and socket address */
694: printf("* route %s", stype);
695: printf(" %d %p", kf->so_protocol,
696: (void *)(uintptr_t)kf->f_data);
697: break;
698: case AF_BLUETOOTH:
699: /* print protocol number and socket address */
700: printf("* bluetooth %s", stype);
701: printf(" %d %p", kf->so_protocol,
702: (void *)(uintptr_t)kf->f_data);
703: break;
704: case AF_NATM:
705: /* print protocol number and socket address */
706: printf("* natm %s", stype);
707: printf(" %d %p", kf->so_protocol,
708: (void *)(uintptr_t)kf->f_data);
709: break;
710: case AF_APPLETALK:
711: /* print protocol number and socket address */
712: printf("* appletalk %s", stype);
713: printf(" %d %p", kf->so_protocol,
714: (void *)(uintptr_t)kf->f_data);
715: break;
1.1 deraadt 716: default:
717: /* print protocol number and socket address */
1.65 millert 718: printf("* %d %s", kf->so_family, stype);
719: printf(" %d %p", kf->so_protocol,
720: (void *)(uintptr_t)kf->f_data);
1.1 deraadt 721: }
1.56 mickey 722: if (sflg)
1.65 millert 723: printf("\t%8llu %8llu",
724: (kf->f_rxfer + kf->f_rwfer),
725: (kf->f_rbytes + kf->f_wbytes) / 1024);
1.1 deraadt 726: printf("\n");
727: }
728:
729: /*
730: * getinetproto --
731: * print name of protocol number
732: */
733: void
734: getinetproto(number)
735: int number;
736: {
1.24 deraadt 737: static int isopen;
1.32 mpech 738: struct protoent *pe;
1.1 deraadt 739:
1.24 deraadt 740: if (!isopen)
741: setprotoent(++isopen);
742: if ((pe = getprotobynumber(number)) != NULL)
743: printf(" %s", pe->p_name);
744: else
1.1 deraadt 745: printf(" %d", number);
746: }
747:
1.11 millert 748: int
1.40 deraadt 749: getfname(char *filename)
1.1 deraadt 750: {
1.68 millert 751: static struct statfs *mntbuf;
752: static int nmounts;
753: int i;
754: struct stat sb;
755: struct filearg *cur;
1.1 deraadt 756:
1.68 millert 757: if (stat(filename, &sb)) {
1.27 millert 758: warn("%s", filename);
1.68 millert 759: return (0);
1.1 deraadt 760: }
761:
1.68 millert 762: /*
763: * POSIX specifies "For block special devices, all processes using any
764: * file on that device are listed". However the -f flag description
765: * states "The report shall be only for the named files", so we only
766: * look up a block device if the -f flag has not be specified.
767: */
768: if (fuser && !fsflg && S_ISBLK(sb.st_mode)) {
769: if (mntbuf == NULL) {
770: nmounts = getmntinfo(&mntbuf, MNT_NOWAIT);
771: if (nmounts == -1)
772: err(1, "getmntinfo");
773: }
774: for (i = 0; i < nmounts; i++) {
775: if (!strcmp(mntbuf[i].f_mntfromname, filename)) {
776: if (stat(mntbuf[i].f_mntonname, &sb) == -1) {
777: warn("%s", filename);
778: return (0);
779: }
780: cflg = 1;
781: break;
782: }
783: }
784: }
785:
786: if ((cur = malloc(sizeof(*cur))) == NULL)
787: err(1, NULL);
788:
789: cur->ino = sb.st_ino;
790: cur->dev = sb.st_dev & 0xffff;
1.1 deraadt 791: cur->name = filename;
1.68 millert 792: TAILQ_INIT(&cur->fusers);
793: SLIST_INSERT_HEAD(&fileargs, cur, next);
794: return (1);
795: }
796:
797: int
798: signame_to_signum(char *sig)
799: {
800: int n;
801: const char *errstr = NULL;
802:
803: if (isdigit((unsigned char)*sig)) {
804: n = strtonum(sig, 0, NSIG - 1, &errstr);
805: return (errstr ? -1 : n);
806: }
807: if (!strncasecmp(sig, "sig", 3))
808: sig += 3;
809: for (n = 1; n < NSIG; n++) {
810: if (!strcasecmp(sys_signame[n], sig))
811: return (n);
812: }
813: return (-1);
1.1 deraadt 814: }
815:
816: void
1.40 deraadt 817: usage(void)
1.1 deraadt 818: {
1.68 millert 819: if (fuser) {
820: fprintf(stderr, "usage: fuser [-cfku] [-M core] "
821: "[-N system] [-s signal] file ...\n");
822: } else {
823: fprintf(stderr, "usage: fstat [-fnosv] [-M core] [-N system] "
824: "[-p pid] [-u user] [file ...]\n");
825: }
1.1 deraadt 826: exit(1);
827: }
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