Annotation of src/usr.bin/fstat/fstat.c, Revision 1.71
1.71 ! henning 1: /* $OpenBSD: fstat.c,v 1.70 2009/10/27 23:59:38 deraadt 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: #include <sys/param.h>
1.68 millert 49: #include <sys/queue.h>
50: #include <sys/mount.h>
1.1 deraadt 51: #include <sys/stat.h>
52: #include <sys/vnode.h>
53: #include <sys/socket.h>
54: #include <sys/socketvar.h>
1.37 deraadt 55: #include <sys/eventvar.h>
1.1 deraadt 56: #include <sys/sysctl.h>
1.65 millert 57: #define _KERNEL /* for DTYPE_* */
1.1 deraadt 58: #include <sys/file.h>
59: #undef _KERNEL
1.61 thib 60:
1.1 deraadt 61: #include <net/route.h>
62: #include <netinet/in.h>
1.26 itojun 63:
64: #include <netdb.h>
1.5 deraadt 65: #include <arpa/inet.h>
66:
1.22 art 67: #include <sys/pipe.h>
68:
1.1 deraadt 69: #include <ctype.h>
70: #include <errno.h>
1.65 millert 71: #include <fcntl.h>
1.1 deraadt 72: #include <kvm.h>
1.2 niklas 73: #include <limits.h>
1.1 deraadt 74: #include <nlist.h>
75: #include <pwd.h>
1.68 millert 76: #include <signal.h>
1.1 deraadt 77: #include <stdio.h>
1.65 millert 78: #include <stdint.h>
1.1 deraadt 79: #include <stdlib.h>
80: #include <string.h>
1.11 millert 81: #include <unistd.h>
1.17 mickey 82: #include <err.h>
1.1 deraadt 83:
1.68 millert 84: #include "fstat.h"
85:
86: struct fileargs fileargs = SLIST_HEAD_INITIALIZER(fileargs);
1.1 deraadt 87:
1.46 deraadt 88: int fsflg; /* show files on same filesystem as file(s) argument */
89: int pflg; /* show files open by a particular pid */
90: int uflg; /* show files open by a particular (effective) user */
1.38 deraadt 91: int checkfile; /* true if restricting to particular files or filesystems */
1.1 deraadt 92: int nflg; /* (numerical) display f.s. and rdev as dev_t */
1.28 hugh 93: int oflg; /* display file offset */
1.56 mickey 94: int sflg; /* display file xfer/bytes counters */
1.1 deraadt 95: int vflg; /* display errors in locating kernel data objects etc... */
1.68 millert 96: int cflg; /* fuser only */
97:
98: int fuser; /* 1 if we are fuser, 0 if we are fstat */
99: int signo; /* signal to send (fuser only) */
1.1 deraadt 100:
101: kvm_t *kd;
1.62 deraadt 102: uid_t uid;
1.1 deraadt 103:
1.68 millert 104: void fstat_dofile(struct kinfo_file2 *);
105: void fstat_header(void);
106: void fuser_dofile(struct kinfo_file2 *);
1.35 millert 107: void getinetproto(int);
108: void usage(void);
109: int getfname(char *);
1.65 millert 110: void cryptotrans(struct kinfo_file2 *);
111: void kqueuetrans(struct kinfo_file2 *);
112: void pipetrans(struct kinfo_file2 *);
113: void socktrans(struct kinfo_file2 *);
114: void systracetrans(struct kinfo_file2 *);
115: void vtrans(struct kinfo_file2 *);
1.47 deraadt 116: const char *inet6_addrstr(struct in6_addr *);
1.68 millert 117: int signame_to_signum(char *);
1.1 deraadt 118:
1.11 millert 119: int
1.40 deraadt 120: main(int argc, char *argv[])
1.1 deraadt 121: {
1.32 mpech 122: struct passwd *passwd;
1.65 millert 123: struct kinfo_file2 *kf, *kflast;
1.1 deraadt 124: int arg, ch, what;
1.68 millert 125: char *memf, *nlistf, *optstr;
1.2 niklas 126: char buf[_POSIX2_LINE_MAX];
1.58 tedu 127: const char *errstr;
1.65 millert 128: int cnt, flags;
1.1 deraadt 129:
1.65 millert 130: arg = -1;
131: what = KERN_FILE_BYPID;
1.1 deraadt 132: nlistf = memf = NULL;
1.28 hugh 133: oflg = 0;
1.68 millert 134:
135: /* are we fstat(1) or fuser(1)? */
136: if (strcmp(__progname, "fuser") == 0) {
137: fuser = 1;
138: optstr = "cfks:uM:N:";
139: } else {
140: fuser = 0;
141: optstr = "fnop:su:vN:M:";
142: }
143:
144: /*
145: * fuser and fstat share three flags: -f, -s and -u. In both cases
146: * -f is a boolean, but for -u fstat wants an argument while fuser
147: * does not and for -s fuser wants an argument whereas fstat does not.
148: */
149: while ((ch = getopt(argc, argv, optstr)) != -1)
1.60 sobrado 150: switch ((char)ch) {
1.68 millert 151: case 'c':
152: if (fsflg)
153: usage();
154: cflg = 1;
155: break;
1.1 deraadt 156: case 'f':
1.68 millert 157: if (cflg)
158: usage();
1.1 deraadt 159: fsflg = 1;
160: break;
1.68 millert 161: case 'k':
162: sflg = 1;
163: signo = SIGKILL;
164: break;
1.1 deraadt 165: case 'M':
166: memf = optarg;
167: break;
168: case 'N':
169: nlistf = optarg;
170: break;
171: case 'n':
172: nflg = 1;
173: break;
1.28 hugh 174: case 'o':
175: oflg = 1;
176: break;
1.1 deraadt 177: case 'p':
178: if (pflg++)
179: usage();
1.58 tedu 180: arg = strtonum(optarg, 0, INT_MAX, &errstr);
181: if (errstr != NULL) {
182: warnx("-p requires a process id, %s: %s",
183: errstr, optarg);
1.1 deraadt 184: usage();
185: }
1.65 millert 186: what = KERN_FILE_BYPID;
1.1 deraadt 187: break;
1.56 mickey 188: case 's':
189: sflg = 1;
1.68 millert 190: if (fuser) {
191: signo = signame_to_signum(optarg);
192: if (signo == -1) {
193: warnx("invalid signal %s", optarg);
194: usage();
195: }
196: }
1.56 mickey 197: break;
1.1 deraadt 198: case 'u':
199: if (uflg++)
200: usage();
1.68 millert 201: if (!fuser) {
1.69 nicm 202: if (!(passwd = getpwnam(optarg))) {
203: arg = strtonum(optarg, 0, UID_MAX,
204: &errstr);
205: if (errstr != NULL) {
206: errx(1, "%s: unknown uid",
207: optarg);
208: }
209: } else
210: arg = passwd->pw_uid;
1.68 millert 211: what = KERN_FILE_BYUID;
212: }
1.1 deraadt 213: break;
214: case 'v':
215: vflg = 1;
216: break;
217: default:
218: usage();
219: }
220:
1.41 deraadt 221: /*
1.62 deraadt 222: * get the uid, for oflg and sflg
223: */
224: uid = getuid();
225:
226: /*
1.65 millert 227: * Use sysctl unless inspecting an alternate kernel.
1.41 deraadt 228: */
1.65 millert 229: if (nlistf == NULL || memf == NULL)
230: flags = KVM_NO_FILES;
231: else
232: flags = O_RDONLY;
1.41 deraadt 233:
1.65 millert 234: if ((kd = kvm_openfiles(nlistf, memf, NULL, flags, buf)) == NULL)
1.41 deraadt 235: errx(1, "%s", buf);
236:
1.1 deraadt 237: if (*(argv += optind)) {
238: for (; *argv; ++argv) {
239: if (getfname(*argv))
240: checkfile = 1;
241: }
1.68 millert 242: /* file(s) specified, but none accessible */
243: if (!checkfile)
1.1 deraadt 244: exit(1);
1.68 millert 245: } else if (fuser)
246: usage();
1.1 deraadt 247:
1.68 millert 248: if (!fuser && fsflg && !checkfile) {
249: /* fstat -f with no files means use wd */
1.1 deraadt 250: if (getfname(".") == 0)
251: exit(1);
252: checkfile = 1;
253: }
1.16 deraadt 254:
1.65 millert 255: if ((kf = kvm_getfile2(kd, what, arg, sizeof(*kf), &cnt)) == NULL)
1.21 deraadt 256: errx(1, "%s", kvm_geterr(kd));
1.68 millert 257:
258: if (!fuser)
259: fstat_header();
260: for (kflast = &kf[cnt]; kf < kflast; ++kf) {
261: if (fuser)
262: fuser_check(kf);
263: else
264: fstat_dofile(kf);
265: }
266: if (fuser)
267: fuser_run();
268:
269: exit(0);
270: }
271:
272: void
273: fstat_header(void)
274: {
1.1 deraadt 275: if (nflg)
276: printf("%s",
1.60 sobrado 277: "USER CMD PID FD DEV INUM MODE R/W SZ|DV");
1.1 deraadt 278: else
279: printf("%s",
1.60 sobrado 280: "USER CMD PID FD MOUNT INUM MODE R/W SZ|DV");
1.28 hugh 281: if (oflg)
282: printf("%s", ":OFFSET ");
1.1 deraadt 283: if (checkfile && fsflg == 0)
1.56 mickey 284: printf(" NAME");
285: if (sflg)
286: printf(" XFERS KBYTES");
287: putchar('\n');
1.1 deraadt 288: }
289:
290: char *Uname, *Comm;
1.62 deraadt 291: uid_t *procuid;
1.14 deraadt 292: pid_t Pid;
1.1 deraadt 293:
1.34 deraadt 294: #define PREFIX(i) do { \
1.39 mpech 295: printf("%-8.8s %-10s %5ld", Uname, Comm, (long)Pid); \
1.60 sobrado 296: switch (i) { \
1.65 millert 297: case KERN_FILE_TEXT: \
1.1 deraadt 298: printf(" text"); \
299: break; \
1.65 millert 300: case KERN_FILE_CDIR: \
1.1 deraadt 301: printf(" wd"); \
302: break; \
1.65 millert 303: case KERN_FILE_RDIR: \
1.1 deraadt 304: printf(" root"); \
305: break; \
1.65 millert 306: case KERN_FILE_TRACE: \
1.1 deraadt 307: printf(" tr"); \
308: break; \
309: default: \
310: printf(" %4d", i); \
311: break; \
1.34 deraadt 312: } \
313: } while (0)
1.1 deraadt 314:
315: /*
316: * print open files attributed to this process
317: */
318: void
1.68 millert 319: fstat_dofile(struct kinfo_file2 *kf)
1.1 deraadt 320: {
321:
1.65 millert 322: Uname = user_from_uid(kf->p_uid, 0);
323: procuid = &kf->p_uid;
324: Pid = kf->p_pid;
325: Comm = kf->p_comm;
1.56 mickey 326:
1.65 millert 327: switch (kf->f_type) {
328: case DTYPE_VNODE:
329: vtrans(kf);
330: break;
331: case DTYPE_SOCKET:
1.67 miod 332: if (checkfile == 0)
333: socktrans(kf);
1.65 millert 334: break;
335: case DTYPE_PIPE:
1.67 miod 336: if (checkfile == 0)
337: pipetrans(kf);
1.65 millert 338: break;
339: case DTYPE_KQUEUE:
1.67 miod 340: if (checkfile == 0)
341: kqueuetrans(kf);
1.65 millert 342: break;
343: case DTYPE_CRYPTO:
1.67 miod 344: if (checkfile == 0)
345: cryptotrans(kf);
1.65 millert 346: break;
347: case DTYPE_SYSTRACE:
1.67 miod 348: if (checkfile == 0)
349: systracetrans(kf);
1.65 millert 350: break;
351: default:
352: if (vflg) {
353: warnx("unknown file type %d for file %d of pid %ld",
354: kf->f_type, kf->fd_fd, (long)Pid);
1.1 deraadt 355: }
1.65 millert 356: break;
1.1 deraadt 357: }
358: }
359:
360: void
1.65 millert 361: vtrans(struct kinfo_file2 *kf)
1.1 deraadt 362: {
1.65 millert 363: const char *badtype = NULL;
364: char rw[3], mode[12];
365: char *filename = NULL;
366:
367: if (kf->v_type == VNON)
1.1 deraadt 368: badtype = "none";
1.65 millert 369: else if (kf->v_type == VBAD)
1.1 deraadt 370: badtype = "bad";
1.65 millert 371: else if (kf->v_tag == VT_NON && !(kf->v_flag & VCLONE))
372: badtype = "none"; /* not a clone */
373:
1.1 deraadt 374: if (checkfile) {
375: int fsmatch = 0;
1.68 millert 376: struct filearg *fa;
1.1 deraadt 377:
378: if (badtype)
379: return;
1.68 millert 380: SLIST_FOREACH(fa, &fileargs, next) {
381: if (fa->dev == kf->va_fsid) {
1.1 deraadt 382: fsmatch = 1;
1.68 millert 383: if (fa->ino == kf->va_fileid) {
384: filename = fa->name;
1.1 deraadt 385: break;
386: }
387: }
1.65 millert 388: }
1.1 deraadt 389: if (fsmatch == 0 || (filename == NULL && fsflg == 0))
390: return;
391: }
1.65 millert 392: PREFIX(kf->fd_fd);
1.1 deraadt 393: if (badtype) {
1.53 mickey 394: (void)printf(" - - %10s -\n", badtype);
1.1 deraadt 395: return;
396: }
1.61 thib 397:
1.1 deraadt 398: if (nflg)
1.65 millert 399: (void)printf(" %2ld,%-2ld", (long)major(kf->va_fsid),
400: (long)minor(kf->va_fsid));
401: else if (!(kf->v_flag & VCLONE))
402: (void)printf(" %-8s", kf->f_mntonname);
1.1 deraadt 403: else
1.61 thib 404: (void)printf(" clone");
1.1 deraadt 405: if (nflg)
1.65 millert 406: (void)snprintf(mode, sizeof(mode), "%o", kf->va_mode);
1.1 deraadt 407: else
1.65 millert 408: strmode(kf->va_mode, mode);
409: printf(" %8llu %11s", kf->va_fileid, mode);
1.28 hugh 410: rw[0] = '\0';
1.65 millert 411: if (kf->f_flag & FREAD)
1.34 deraadt 412: strlcat(rw, "r", sizeof rw);
1.65 millert 413: if (kf->f_flag & FWRITE)
1.34 deraadt 414: strlcat(rw, "w", sizeof rw);
1.28 hugh 415: printf(" %2s", rw);
1.65 millert 416: switch (kf->v_type) {
1.1 deraadt 417: case VBLK:
418: case VCHR: {
419: char *name;
420:
1.65 millert 421: if (nflg || ((name = devname(kf->va_rdev,
422: kf->v_type == VCHR ? S_IFCHR : S_IFBLK)) == NULL))
423: printf(" %2d,%-3d", major(kf->va_rdev), minor(kf->va_rdev));
1.1 deraadt 424: else
1.28 hugh 425: printf(" %7s", name);
426: if (oflg)
427: printf(" ");
1.1 deraadt 428: break;
429: }
430: default:
1.65 millert 431: printf(" %8llu", kf->va_size);
1.62 deraadt 432: if (oflg) {
433: if (uid == 0 || uid == *procuid)
1.65 millert 434: printf(":%-8llu", kf->f_offset);
1.62 deraadt 435: else
436: printf(":%-8s", "*");
437: }
438: }
439: if (sflg) {
440: if (uid == 0 || uid == *procuid) {
1.65 millert 441: printf(" %8llu %8llu",
442: (kf->f_rxfer + kf->f_rwfer),
443: (kf->f_rbytes + kf->f_wbytes) / 1024);
1.62 deraadt 444: } else {
445: printf(" %8s %8s", "*", "*");
446: }
1.1 deraadt 447: }
448: if (filename && !fsflg)
1.28 hugh 449: printf(" %s", filename);
1.1 deraadt 450: putchar('\n');
451: }
452:
1.22 art 453: void
1.65 millert 454: pipetrans(struct kinfo_file2 *kf)
1.22 art 455: {
456: void *maxaddr;
457:
1.65 millert 458: PREFIX(kf->fd_fd);
1.22 art 459:
460: printf(" ");
461:
462: /*
463: * We don't have enough space to fit both peer and own address, so
464: * we select the higher address so both ends of the pipe have the
465: * same visible addr. (it's the higher address because when the other
466: * end closes, it becomes 0)
467: */
1.65 millert 468: maxaddr = (void *)(uintptr_t)MAX(kf->f_data, kf->pipe_peer);
1.22 art 469:
1.56 mickey 470: printf("pipe %p state: %s%s%s", maxaddr,
1.65 millert 471: (kf->pipe_state & PIPE_WANTR) ? "R" : "",
472: (kf->pipe_state & PIPE_WANTW) ? "W" : "",
473: (kf->pipe_state & PIPE_EOF) ? "E" : "");
1.56 mickey 474: if (sflg)
1.65 millert 475: printf("\t%8llu %8llu",
476: (kf->f_rxfer + kf->f_rwfer),
477: (kf->f_rbytes + kf->f_wbytes) / 1024);
1.56 mickey 478: printf("\n");
1.37 deraadt 479: return;
480: }
481:
482: void
1.65 millert 483: kqueuetrans(struct kinfo_file2 *kf)
1.37 deraadt 484: {
1.65 millert 485: PREFIX(kf->fd_fd);
1.37 deraadt 486:
487: printf(" ");
488:
1.65 millert 489: printf("kqueue %p %d state: %s%s\n", (void *)(uintptr_t)kf->f_data,
490: kf->kq_count,
491: (kf->kq_state & KQ_SEL) ? "S" : "",
492: (kf->kq_state & KQ_SLEEP) ? "W" : "");
1.37 deraadt 493: return;
494: }
495:
496: void
1.65 millert 497: cryptotrans(struct kinfo_file2 *kf)
1.37 deraadt 498: {
1.65 millert 499: PREFIX(kf->fd_fd);
1.37 deraadt 500:
501: printf(" ");
502:
1.65 millert 503: printf("crypto %p\n", (void *)(uintptr_t)kf->f_data);
1.37 deraadt 504: }
505:
506: void
1.65 millert 507: systracetrans(struct kinfo_file2 *kf)
1.37 deraadt 508: {
1.65 millert 509: PREFIX(kf->fd_fd);
1.37 deraadt 510:
511: printf(" ");
512:
1.65 millert 513: printf("systrace %p npol %d\n", (void *)(uintptr_t)kf->f_data,
514: kf->str_npolicies);
1.22 art 515: return;
1.1 deraadt 516: }
517:
1.26 itojun 518: #ifdef INET6
519: const char *
1.40 deraadt 520: inet6_addrstr(struct in6_addr *p)
1.26 itojun 521: {
522: struct sockaddr_in6 sin6;
523: static char hbuf[NI_MAXHOST];
1.50 itojun 524: const int niflags = NI_NUMERICHOST;
1.26 itojun 525:
526: memset(&sin6, 0, sizeof(sin6));
527: sin6.sin6_family = AF_INET6;
528: sin6.sin6_len = sizeof(struct sockaddr_in6);
529: sin6.sin6_addr = *p;
530: if (IN6_IS_ADDR_LINKLOCAL(p) &&
531: *(u_int16_t *)&sin6.sin6_addr.s6_addr[2] != 0) {
532: sin6.sin6_scope_id =
1.38 deraadt 533: ntohs(*(u_int16_t *)&sin6.sin6_addr.s6_addr[2]);
1.26 itojun 534: sin6.sin6_addr.s6_addr[2] = sin6.sin6_addr.s6_addr[3] = 0;
535: }
536:
537: if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len,
1.38 deraadt 538: hbuf, sizeof(hbuf), NULL, 0, niflags))
1.26 itojun 539: return "invalid";
540:
541: return hbuf;
542: }
543: #endif
544:
1.1 deraadt 545: void
1.65 millert 546: socktrans(struct kinfo_file2 *kf)
1.1 deraadt 547: {
548: static char *stypename[] = {
549: "unused", /* 0 */
1.38 deraadt 550: "stream", /* 1 */
1.1 deraadt 551: "dgram", /* 2 */
552: "raw", /* 3 */
553: "rdm", /* 4 */
554: "seqpak" /* 5 */
555: };
556: #define STYPEMAX 5
1.66 chl 557: char *stype, stypebuf[24];
1.65 millert 558: struct in_addr laddr, faddr;
1.26 itojun 559: #ifdef INET6
560: char xaddrbuf[NI_MAXHOST + 2];
1.65 millert 561: struct in6_addr laddr6, faddr6;
1.26 itojun 562: #endif
1.1 deraadt 563:
1.65 millert 564: PREFIX(kf->fd_fd);
1.1 deraadt 565:
1.65 millert 566: if (kf->so_type > STYPEMAX) {
567: snprintf(stypebuf, sizeof(stypebuf), "?%d", kf->so_type);
568: stype = stypebuf;
569: } else {
570: stype = stypename[kf->so_type];
1.1 deraadt 571: }
572:
1.34 deraadt 573: /*
1.1 deraadt 574: * protocol specific formatting
575: *
576: * Try to find interesting things to print. For tcp, the interesting
577: * thing is the address of the tcpcb, for udp and others, just the
578: * inpcb (socket pcb). For unix domain, its the address of the socket
579: * pcb and the address of the connected pcb (if connected). Otherwise
580: * just print the protocol number and address of the socket itself.
581: * The idea is not to duplicate netstat, but to make available enough
582: * information for further analysis.
583: */
1.65 millert 584: switch (kf->so_family) {
1.1 deraadt 585: case AF_INET:
1.65 millert 586: printf("* internet %s", stype);
587: memcpy(&laddr, kf->inp_laddru, sizeof(laddr));
588: memcpy(&faddr, kf->inp_faddru, sizeof(faddr));
589: getinetproto(kf->so_protocol);
590: if (kf->so_protocol == IPPROTO_TCP) {
1.68 millert 591: printf(" %p", (void *)(uintptr_t)kf->inp_ppcb);
1.65 millert 592: printf(" %s:%d", laddr.s_addr == INADDR_ANY ? "*" :
593: inet_ntoa(laddr), ntohs(kf->inp_lport));
594: if (kf->inp_fport) {
595: if (kf->so_state & SS_CONNECTOUT)
1.13 deraadt 596: printf(" --> ");
597: else
598: printf(" <-- ");
599: printf("%s:%d",
1.65 millert 600: faddr.s_addr == INADDR_ANY ? "*" :
601: inet_ntoa(faddr), ntohs(kf->inp_fport));
1.17 mickey 602: }
1.65 millert 603: } else if (kf->so_protocol == IPPROTO_UDP) {
604: printf(" %s:%d", laddr.s_addr == INADDR_ANY ? "*" :
605: inet_ntoa(laddr), ntohs(kf->inp_lport));
606: if (kf->inp_fport) {
607: printf(" <-> %s:%d",
608: faddr.s_addr == INADDR_ANY ? "*" :
609: inet_ntoa(faddr), ntohs(kf->inp_fport));
1.1 deraadt 610: }
1.65 millert 611: } else if (kf->so_pcb)
1.68 millert 612: printf(" %p", (void *)(uintptr_t)kf->so_pcb);
1.1 deraadt 613: break;
1.26 itojun 614: #ifdef INET6
615: case AF_INET6:
1.65 millert 616: printf("* internet6 %s", stype);
617: memcpy(&laddr6, kf->inp_laddru, sizeof(laddr6));
618: memcpy(&faddr6, kf->inp_faddru, sizeof(faddr6));
619: getinetproto(kf->so_protocol);
620: if (kf->so_protocol == IPPROTO_TCP) {
1.68 millert 621: printf(" %p", (void *)(uintptr_t)kf->inp_ppcb);
1.26 itojun 622: snprintf(xaddrbuf, sizeof(xaddrbuf), "[%s]",
1.65 millert 623: inet6_addrstr(&laddr6));
1.26 itojun 624: printf(" %s:%d",
1.65 millert 625: IN6_IS_ADDR_UNSPECIFIED(&laddr6) ? "*" :
626: xaddrbuf, ntohs(kf->inp_lport));
627: if (kf->inp_fport) {
628: if (kf->so_state & SS_CONNECTOUT)
1.26 itojun 629: printf(" --> ");
630: else
631: printf(" <-- ");
632: snprintf(xaddrbuf, sizeof(xaddrbuf), "[%s]",
1.65 millert 633: inet6_addrstr(&faddr6));
1.26 itojun 634: printf("%s:%d",
1.65 millert 635: IN6_IS_ADDR_UNSPECIFIED(&faddr6) ? "*" :
636: xaddrbuf, ntohs(kf->inp_fport));
1.26 itojun 637: }
1.65 millert 638: } else if (kf->so_protocol == IPPROTO_UDP) {
1.26 itojun 639: snprintf(xaddrbuf, sizeof(xaddrbuf), "[%s]",
1.65 millert 640: inet6_addrstr(&laddr6));
1.26 itojun 641: printf(" %s:%d",
1.65 millert 642: IN6_IS_ADDR_UNSPECIFIED(&laddr6) ? "*" :
643: xaddrbuf, ntohs(kf->inp_lport));
644: if (kf->inp_fport) {
1.26 itojun 645: snprintf(xaddrbuf, sizeof(xaddrbuf), "[%s]",
1.65 millert 646: inet6_addrstr(&faddr6));
1.26 itojun 647: printf(" <-> %s:%d",
1.65 millert 648: IN6_IS_ADDR_UNSPECIFIED(&faddr6) ? "*" :
649: xaddrbuf, ntohs(kf->inp_fport));
1.33 itojun 650: }
1.65 millert 651: } else if (kf->so_pcb)
1.68 millert 652: printf(" %p", (void *)(uintptr_t)kf->so_pcb);
1.26 itojun 653: break;
654: #endif
1.1 deraadt 655: case AF_UNIX:
656: /* print address of pcb and connected pcb */
1.65 millert 657: printf("* unix %s", stype);
658: if (kf->so_pcb) {
1.68 millert 659: printf(" %p", (void *)(uintptr_t)kf->so_pcb);
1.65 millert 660: if (kf->unp_conn) {
1.1 deraadt 661: char shoconn[4], *cp;
662:
663: cp = shoconn;
1.65 millert 664: if (!(kf->so_state & SS_CANTRCVMORE))
1.1 deraadt 665: *cp++ = '<';
666: *cp++ = '-';
1.65 millert 667: if (!(kf->so_state & SS_CANTSENDMORE))
1.1 deraadt 668: *cp++ = '>';
669: *cp = '\0';
1.11 millert 670: printf(" %s %p", shoconn,
1.65 millert 671: (void *)(uintptr_t)kf->unp_conn);
1.1 deraadt 672: }
673: }
674: break;
1.65 millert 675: case AF_MPLS:
676: /* print protocol number and socket address */
677: printf("* mpls %s", stype);
678: printf(" %d %p", kf->so_protocol,
679: (void *)(uintptr_t)kf->f_data);
680: break;
681: case AF_ROUTE:
682: /* print protocol number and socket address */
683: printf("* route %s", stype);
684: printf(" %d %p", kf->so_protocol,
685: (void *)(uintptr_t)kf->f_data);
686: break;
687: case AF_BLUETOOTH:
688: /* print protocol number and socket address */
689: printf("* bluetooth %s", stype);
690: printf(" %d %p", kf->so_protocol,
691: (void *)(uintptr_t)kf->f_data);
692: break;
693: case AF_NATM:
694: /* print protocol number and socket address */
695: printf("* natm %s", stype);
696: printf(" %d %p", kf->so_protocol,
697: (void *)(uintptr_t)kf->f_data);
698: break;
1.1 deraadt 699: default:
700: /* print protocol number and socket address */
1.65 millert 701: printf("* %d %s", kf->so_family, stype);
702: printf(" %d %p", kf->so_protocol,
703: (void *)(uintptr_t)kf->f_data);
1.1 deraadt 704: }
1.56 mickey 705: if (sflg)
1.65 millert 706: printf("\t%8llu %8llu",
707: (kf->f_rxfer + kf->f_rwfer),
708: (kf->f_rbytes + kf->f_wbytes) / 1024);
1.1 deraadt 709: printf("\n");
710: }
711:
712: /*
713: * getinetproto --
714: * print name of protocol number
715: */
716: void
717: getinetproto(number)
718: int number;
719: {
1.24 deraadt 720: static int isopen;
1.32 mpech 721: struct protoent *pe;
1.1 deraadt 722:
1.24 deraadt 723: if (!isopen)
724: setprotoent(++isopen);
725: if ((pe = getprotobynumber(number)) != NULL)
726: printf(" %s", pe->p_name);
727: else
1.1 deraadt 728: printf(" %d", number);
729: }
730:
1.11 millert 731: int
1.40 deraadt 732: getfname(char *filename)
1.1 deraadt 733: {
1.68 millert 734: static struct statfs *mntbuf;
735: static int nmounts;
736: int i;
737: struct stat sb;
738: struct filearg *cur;
1.1 deraadt 739:
1.68 millert 740: if (stat(filename, &sb)) {
1.27 millert 741: warn("%s", filename);
1.68 millert 742: return (0);
1.1 deraadt 743: }
744:
1.68 millert 745: /*
746: * POSIX specifies "For block special devices, all processes using any
747: * file on that device are listed". However the -f flag description
748: * states "The report shall be only for the named files", so we only
749: * look up a block device if the -f flag has not be specified.
750: */
751: if (fuser && !fsflg && S_ISBLK(sb.st_mode)) {
752: if (mntbuf == NULL) {
753: nmounts = getmntinfo(&mntbuf, MNT_NOWAIT);
754: if (nmounts == -1)
755: err(1, "getmntinfo");
756: }
757: for (i = 0; i < nmounts; i++) {
758: if (!strcmp(mntbuf[i].f_mntfromname, filename)) {
759: if (stat(mntbuf[i].f_mntonname, &sb) == -1) {
760: warn("%s", filename);
761: return (0);
762: }
763: cflg = 1;
764: break;
765: }
766: }
767: }
768:
769: if ((cur = malloc(sizeof(*cur))) == NULL)
770: err(1, NULL);
771:
772: cur->ino = sb.st_ino;
773: cur->dev = sb.st_dev & 0xffff;
1.1 deraadt 774: cur->name = filename;
1.68 millert 775: TAILQ_INIT(&cur->fusers);
776: SLIST_INSERT_HEAD(&fileargs, cur, next);
777: return (1);
778: }
779:
780: int
781: signame_to_signum(char *sig)
782: {
783: int n;
784: const char *errstr = NULL;
785:
786: if (isdigit((unsigned char)*sig)) {
787: n = strtonum(sig, 0, NSIG - 1, &errstr);
788: return (errstr ? -1 : n);
789: }
790: if (!strncasecmp(sig, "sig", 3))
791: sig += 3;
792: for (n = 1; n < NSIG; n++) {
793: if (!strcasecmp(sys_signame[n], sig))
794: return (n);
795: }
796: return (-1);
1.1 deraadt 797: }
798:
799: void
1.40 deraadt 800: usage(void)
1.1 deraadt 801: {
1.68 millert 802: if (fuser) {
803: fprintf(stderr, "usage: fuser [-cfku] [-M core] "
804: "[-N system] [-s signal] file ...\n");
805: } else {
806: fprintf(stderr, "usage: fstat [-fnosv] [-M core] [-N system] "
807: "[-p pid] [-u user] [file ...]\n");
808: }
1.1 deraadt 809: exit(1);
810: }
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