1 /*
2 * Copyright (c) 1990 Jan-Simon Pendry
3 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
4 * Copyright (c) 1990, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Jan-Simon Pendry at Imperial College, London.
9 *
10 * %sccs.include.redist.c%
11 *
12 * @(#)amq.c 8.1 (Berkeley) 06/07/93
13 *
14 * $Id: amq.c,v 5.2.2.1 1992/02/09 15:09:16 jsp beta $
15 *
16 */
17
18 /*
19 * Automounter query tool
20 */
21
22 #ifndef lint
23 char copyright[] = "\
24 @(#)Copyright (c) 1990 Jan-Simon Pendry\n\
25 @(#)Copyright (c) 1990 Imperial College of Science, Technology & Medicine\n\
26 @(#)Copyright (c) 1990, 1993\n\
27 The Regents of the University of California. All rights reserved.\n";
28 #endif /* not lint */
29
30 #ifndef lint
31 static char rcsid[] = "$Id: amq.c,v 5.2.2.1 1992/02/09 15:09:16 jsp beta $";
32 static char sccsid[] = "@(#)amq.c 8.1 (Berkeley) 06/07/93";
33 #endif /* not lint */
34
35 #include "am.h"
36 #include "amq.h"
37 #include <stdio.h>
38 #include <fcntl.h>
39 #include <netdb.h>
40
41 static int privsock();
42
43 char *progname;
44 static int flush_flag;
45 static int minfo_flag;
46 static int unmount_flag;
47 static int stats_flag;
48 static int getvers_flag;
49 static char *debug_opts;
50 static char *logfile;
51 static char *mount_map;
52 static char *xlog_optstr;
53 static char localhost[] = "localhost";
54 static char *def_server = localhost;
55
56 extern int optind;
57 extern char *optarg;
58
59 static struct timeval tmo = { 10, 0 };
60 #define TIMEOUT tmo
61
62 enum show_opt { Full, Stats, Calc, Short, ShowDone };
63
64 /*
65 * If (e) is Calc then just calculate the sizes
66 * Otherwise display the mount node on stdout
67 */
show_mti(mt,e,mwid,dwid,twid)68 static void show_mti(mt, e, mwid, dwid, twid)
69 amq_mount_tree *mt;
70 enum show_opt e;
71 int *mwid;
72 int *dwid;
73 int *twid;
74 {
75 switch (e) {
76 case Calc: {
77 int mw = strlen(mt->mt_mountinfo);
78 int dw = strlen(mt->mt_directory);
79 int tw = strlen(mt->mt_type);
80 if (mw > *mwid) *mwid = mw;
81 if (dw > *dwid) *dwid = dw;
82 if (tw > *twid) *twid = tw;
83 } break;
84
85 case Full: {
86 struct tm *tp = localtime((time_t *) &mt->mt_mounttime);
87 printf("%-*.*s %-*.*s %-*.*s %s\n\t%-5d %-7d %-6d %-7d %-7d %-6d %02d/%02d/%02d %02d:%02d:%02d\n",
88 *dwid, *dwid,
89 *mt->mt_directory ? mt->mt_directory : "/", /* XXX */
90 *twid, *twid,
91 mt->mt_type,
92 *mwid, *mwid,
93 mt->mt_mountinfo,
94 mt->mt_mountpoint,
95
96 mt->mt_mountuid,
97 mt->mt_getattr,
98 mt->mt_lookup,
99 mt->mt_readdir,
100 mt->mt_readlink,
101 mt->mt_statfs,
102
103 tp->tm_year > 99 ? tp->tm_year - 100 : tp->tm_year,
104 tp->tm_mon+1, tp->tm_mday,
105 tp->tm_hour, tp->tm_min, tp->tm_sec);
106 } break;
107
108 case Stats: {
109 struct tm *tp = localtime((time_t *) &mt->mt_mounttime);
110 printf("%-*.*s %-5d %-7d %-6d %-7d %-7d %-6d %02d/%02d/%02d %02d:%02d:%02d\n",
111 *dwid, *dwid,
112 *mt->mt_directory ? mt->mt_directory : "/", /* XXX */
113
114 mt->mt_mountuid,
115 mt->mt_getattr,
116 mt->mt_lookup,
117 mt->mt_readdir,
118 mt->mt_readlink,
119 mt->mt_statfs,
120
121 tp->tm_year > 99 ? tp->tm_year - 100 : tp->tm_year,
122 tp->tm_mon+1, tp->tm_mday,
123 tp->tm_hour, tp->tm_min, tp->tm_sec);
124 } break;
125
126 case Short: {
127 printf("%-*.*s %-*.*s %-*.*s %s\n",
128 *dwid, *dwid,
129 *mt->mt_directory ? mt->mt_directory : "/",
130 *twid, *twid,
131 mt->mt_type,
132 *mwid, *mwid,
133 mt->mt_mountinfo,
134 mt->mt_mountpoint);
135 } break;
136 }
137 }
138
139 /*
140 * Display a mount tree.
141 */
show_mt(mt,e,mwid,dwid,pwid)142 static void show_mt(mt, e, mwid, dwid, pwid)
143 amq_mount_tree *mt;
144 enum show_opt e;
145 int *mwid;
146 int *dwid;
147 int *pwid;
148 {
149 while (mt) {
150 show_mti(mt, e, mwid, dwid, pwid);
151 show_mt(mt->mt_next, e, mwid, dwid, pwid);
152 mt = mt->mt_child;
153 }
154 }
155
show_mi(ml,e,mwid,dwid,twid)156 static void show_mi(ml, e, mwid, dwid, twid)
157 amq_mount_info_list *ml;
158 enum show_opt e;
159 int *mwid;
160 int *dwid;
161 int *twid;
162 {
163 int i;
164 switch (e) {
165 case Calc: {
166 for (i = 0; i < ml->amq_mount_info_list_len; i++) {
167 amq_mount_info *mi = &ml->amq_mount_info_list_val[i];
168 int mw = strlen(mi->mi_mountinfo);
169 int dw = strlen(mi->mi_mountpt);
170 int tw = strlen(mi->mi_type);
171 if (mw > *mwid) *mwid = mw;
172 if (dw > *dwid) *dwid = dw;
173 if (tw > *twid) *twid = tw;
174 }
175 } break;
176
177 case Full: {
178 for (i = 0; i < ml->amq_mount_info_list_len; i++) {
179 amq_mount_info *mi = &ml->amq_mount_info_list_val[i];
180 printf("%-*.*s %-*.*s %-*.*s %-3d %s is %s",
181 *mwid, *mwid, mi->mi_mountinfo,
182 *dwid, *dwid, mi->mi_mountpt,
183 *twid, *twid, mi->mi_type,
184 mi->mi_refc, mi->mi_fserver,
185 mi->mi_up > 0 ? "up" :
186 mi->mi_up < 0 ? "starting" : "down");
187 if (mi->mi_error > 0) {
188 #ifdef HAS_STRERROR
189 printf(" (%s)", strerror(mi->mi_error));
190 #else
191 extern char *sys_errlist[];
192 extern int sys_nerr;
193 if (mi->mi_error < sys_nerr)
194 printf(" (%s)", sys_errlist[mi->mi_error]);
195 else
196 printf(" (Error %d)", mi->mi_error);
197 #endif
198 } else if (mi->mi_error < 0) {
199 fputs(" (in progress)", stdout);
200 }
201 fputc('\n', stdout);
202 }
203 } break;
204 }
205 }
206
207 /*
208 * Display general mount statistics
209 */
show_ms(ms)210 static void show_ms(ms)
211 amq_mount_stats *ms;
212 {
213 printf("\
214 requests stale mount mount unmount\n\
215 deferred fhandles ok failed failed\n\
216 %-9d %-9d %-9d %-9d %-9d\n",
217 ms->as_drops, ms->as_stale, ms->as_mok, ms->as_merr, ms->as_uerr);
218 }
219
220 static bool_t
xdr_pri_free(xdr_args,args_ptr)221 xdr_pri_free(xdr_args, args_ptr)
222 xdrproc_t xdr_args;
223 caddr_t args_ptr;
224 {
225 XDR xdr;
226 xdr.x_op = XDR_FREE;
227 return ((*xdr_args)(&xdr, args_ptr));
228 }
229
230 #ifdef hpux
231 #include <cluster.h>
cluster_server()232 static char *cluster_server()
233 {
234 struct cct_entry *cp;
235
236 if (cnodeid() == 0) {
237 /*
238 * Not clustered
239 */
240 return def_server;
241 }
242
243 while (cp = getccent())
244 if (cp->cnode_type == 'r')
245 return cp->cnode_name;
246
247
248 return def_server;
249 }
250 #endif /* hpux */
251
252 /*
253 * MAIN
254 */
main(argc,argv)255 main(argc, argv)
256 int argc;
257 char *argv[];
258 {
259 int opt_ch;
260 int errs = 0;
261 char *server;
262 struct sockaddr_in server_addr;
263
264 /* In order to pass the Amd security check, we must use a priv port. */
265 int s;
266
267 CLIENT *clnt;
268 struct hostent *hp;
269 int nodefault = 0;
270
271 /*
272 * Compute program name
273 */
274 if (argv[0]) {
275 progname = strrchr(argv[0], '/');
276 if (progname && progname[1])
277 progname++;
278 else
279 progname = argv[0];
280 }
281 if (!progname)
282 progname = "amq";
283
284 /*
285 * Parse arguments
286 */
287 while ((opt_ch = getopt(argc, argv, "fh:l:msuvx:D:M:")) != EOF)
288 switch (opt_ch) {
289 case 'f':
290 flush_flag = 1;
291 nodefault = 1;
292 break;
293
294 case 'h':
295 def_server = optarg;
296 break;
297
298 case 'l':
299 logfile = optarg;
300 nodefault = 1;
301 break;
302
303 case 'm':
304 minfo_flag = 1;
305 nodefault = 1;
306 break;
307
308 case 's':
309 stats_flag = 1;
310 nodefault = 1;
311 break;
312
313 case 'u':
314 unmount_flag = 1;
315 nodefault = 1;
316 break;
317
318 case 'v':
319 getvers_flag = 1;
320 nodefault = 1;
321 break;
322
323 case 'x':
324 xlog_optstr = optarg;
325 nodefault = 1;
326 break;
327
328 case 'D':
329 debug_opts = optarg;
330 nodefault = 1;
331 break;
332
333 case 'M':
334 mount_map = optarg;
335 nodefault = 1;
336 break;
337
338 default:
339 errs = 1;
340 break;
341 }
342
343 if (optind == argc) {
344 if (unmount_flag)
345 errs = 1;
346 }
347
348 if (errs) {
349 show_usage:
350 fprintf(stderr, "\
351 Usage: %s [-h host] [[-f] [-m] [-v] [-s]] | [[-u] directory ...]] |\n\
352 \t[-l logfile|\"syslog\"] [-x log_flags] [-D dbg_opts] [-M mapent]\n", progname);
353 exit(1);
354 }
355
356 #ifdef hpux
357 /*
358 * Figure out root server of cluster
359 */
360 if (def_server == localhost)
361 server = cluster_server();
362 else
363 #endif /* hpux */
364 server = def_server;
365
366 /*
367 * Get address of server
368 */
369 if ((hp = gethostbyname(server)) == 0 && strcmp(server, localhost) != 0) {
370 fprintf(stderr, "%s: Can't get address of %s\n", progname, server);
371 exit(1);
372 }
373 bzero(&server_addr, sizeof server_addr);
374 server_addr.sin_family = AF_INET;
375 if (hp) {
376 bcopy((voidp) hp->h_addr, (voidp) &server_addr.sin_addr,
377 sizeof(server_addr.sin_addr));
378 } else {
379 /* fake "localhost" */
380 server_addr.sin_addr.s_addr = htonl(0x7f000001);
381 }
382
383 /*
384 * Create RPC endpoint
385 */
386 s = privsock(SOCK_STREAM);
387 clnt = clnttcp_create(&server_addr, AMQ_PROGRAM, AMQ_VERSION, &s, 0, 0);
388 if (clnt == 0) {
389 close(s);
390 s = privsock(SOCK_DGRAM);
391 clnt = clntudp_create(&server_addr, AMQ_PROGRAM, AMQ_VERSION, TIMEOUT, &s);
392 }
393 if (clnt == 0) {
394 fprintf(stderr, "%s: ", progname);
395 clnt_pcreateerror(server);
396 exit(1);
397 }
398
399 /*
400 * Control debugging
401 */
402 if (debug_opts) {
403 int *rc;
404 amq_setopt opt;
405 opt.as_opt = AMOPT_DEBUG;
406 opt.as_str = debug_opts;
407 rc = amqproc_setopt_1(&opt, clnt);
408 if (rc && *rc < 0) {
409 fprintf(stderr, "%s: daemon not compiled for debug", progname);
410 errs = 1;
411 } else if (!rc || *rc > 0) {
412 fprintf(stderr, "%s: debug setting for \"%s\" failed\n", progname, debug_opts);
413 errs = 1;
414 }
415 }
416
417 /*
418 * Control logging
419 */
420 if (xlog_optstr) {
421 int *rc;
422 amq_setopt opt;
423 opt.as_opt = AMOPT_XLOG;
424 opt.as_str = xlog_optstr;
425 rc = amqproc_setopt_1(&opt, clnt);
426 if (!rc || *rc) {
427 fprintf(stderr, "%s: setting log level to \"%s\" failed\n", progname, xlog_optstr);
428 errs = 1;
429 }
430 }
431
432 /*
433 * Control log file
434 */
435 if (logfile) {
436 int *rc;
437 amq_setopt opt;
438 opt.as_opt = AMOPT_LOGFILE;
439 opt.as_str = logfile;
440 rc = amqproc_setopt_1(&opt, clnt);
441 if (!rc || *rc) {
442 fprintf(stderr, "%s: setting logfile to \"%s\" failed\n", progname, logfile);
443 errs = 1;
444 }
445 }
446
447 /*
448 * Flush map cache
449 */
450 if (flush_flag) {
451 int *rc;
452 amq_setopt opt;
453 opt.as_opt = AMOPT_FLUSHMAPC;
454 opt.as_str = "";
455 rc = amqproc_setopt_1(&opt, clnt);
456 if (!rc || *rc) {
457 fprintf(stderr, "%s: amd on %s cannot flush the map cache\n", progname, server);
458 errs = 1;
459 }
460 }
461
462 /*
463 * Mount info
464 */
465 if (minfo_flag) {
466 int dummy;
467 amq_mount_info_list *ml = amqproc_getmntfs_1(&dummy, clnt);
468 if (ml) {
469 int mwid = 0, dwid = 0, twid = 0;
470 show_mi(ml, Calc, &mwid, &dwid, &twid);
471 mwid++; dwid++; twid++;
472 show_mi(ml, Full, &mwid, &dwid, &twid);
473
474 } else {
475 fprintf(stderr, "%s: amd on %s cannot provide mount info\n", progname, server);
476 }
477 }
478
479 /*
480 * Mount map
481 */
482 if (mount_map) {
483 int *rc;
484 do {
485 rc = amqproc_mount_1(&mount_map, clnt);
486 } while (rc && *rc < 0);
487 if (!rc || *rc > 0) {
488 if (rc)
489 errno = *rc;
490 else
491 errno = ETIMEDOUT;
492 fprintf(stderr, "%s: could not start new ", progname);
493 perror("autmount point");
494 }
495 }
496
497 /*
498 * Get Version
499 */
500 if (getvers_flag) {
501 amq_string *spp = amqproc_getvers_1((voidp) 0, clnt);
502 if (spp && *spp) {
503 printf("%s.\n", *spp);
504 free(*spp);
505 } else {
506 fprintf(stderr, "%s: failed to get version information\n", progname);
507 errs = 1;
508 }
509 }
510
511 /*
512 * Apply required operation to all remaining arguments
513 */
514 if (optind < argc) {
515 do {
516 char *fs = argv[optind++];
517 if (unmount_flag) {
518 /*
519 * Unmount request
520 */
521 amqproc_umnt_1(&fs, clnt);
522 } else {
523 /*
524 * Stats request
525 */
526 amq_mount_tree_p *mtp = amqproc_mnttree_1(&fs, clnt);
527 if (mtp) {
528 amq_mount_tree *mt = *mtp;
529 if (mt) {
530 int mwid = 0, dwid = 0, twid = 0;
531 show_mt(mt, Calc, &mwid, &dwid, &twid);
532 mwid++; dwid++, twid++;
533 printf("%-*.*s Uid Getattr Lookup RdDir RdLnk Statfs Mounted@\n",
534 dwid, dwid, "What");
535 show_mt(mt, Stats, &mwid, &dwid, &twid);
536 } else {
537 fprintf(stderr, "%s: %s not automounted\n", progname, fs);
538 }
539 xdr_pri_free(xdr_amq_mount_tree_p, (caddr_t) mtp);
540 } else {
541 fprintf(stderr, "%s: ", progname);
542 clnt_perror(clnt, server);
543 errs = 1;
544 }
545 }
546 } while (optind < argc);
547 } else if (unmount_flag) {
548 goto show_usage;
549 } else if (stats_flag) {
550 amq_mount_stats *ms = amqproc_stats_1((voidp) 0, clnt);
551 if (ms) {
552 show_ms(ms);
553 } else {
554 fprintf(stderr, "%s: ", progname);
555 clnt_perror(clnt, server);
556 errs = 1;
557 }
558 } else if (!nodefault) {
559 amq_mount_tree_list *mlp = amqproc_export_1((voidp) 0, clnt);
560 if (mlp) {
561 enum show_opt e = Calc;
562 int mwid = 0, dwid = 0, pwid = 0;
563 while (e != ShowDone) {
564 int i;
565 for (i = 0; i < mlp->amq_mount_tree_list_len; i++) {
566 show_mt(mlp->amq_mount_tree_list_val[i],
567 e, &mwid, &dwid, &pwid);
568 }
569 mwid++; dwid++, pwid++;
570 if (e == Calc) e = Short;
571 else if (e == Short) e = ShowDone;
572 }
573 } else {
574 fprintf(stderr, "%s: ", progname);
575 clnt_perror(clnt, server);
576 errs = 1;
577 }
578 }
579
580 exit(errs);
581 }
582
583 /*
584 * udpresport creates a datagram socket and attempts to bind it to a
585 * secure port.
586 * returns: The bound socket, or -1 to indicate an error.
587 */
inetresport(ty)588 static int inetresport(ty)
589 int ty;
590 {
591 int alport;
592 struct sockaddr_in addr;
593 int sock;
594
595 /* Use internet address family */
596 addr.sin_family = AF_INET;
597 addr.sin_addr.s_addr = INADDR_ANY;
598 if ((sock = socket(AF_INET, ty, 0)) < 0)
599 return -1;
600 for (alport = IPPORT_RESERVED-1; alport > IPPORT_RESERVED/2 + 1; alport--) {
601 addr.sin_port = htons((u_short)alport);
602 if (bind(sock, (struct sockaddr *)&addr, sizeof (addr)) >= 0)
603 return sock;
604 if (errno != EADDRINUSE) {
605 close(sock);
606 return -1;
607 }
608 }
609 close(sock);
610 errno = EAGAIN;
611 return -1;
612 }
613
614 /*
615 * Privsock() calls inetresport() to attempt to bind a socket to a secure
616 * port. If inetresport() fails, privsock returns a magic socket number which
617 * indicates to RPC that it should make its own socket.
618 * returns: A privileged socket # or RPC_ANYSOCK.
619 */
privsock(ty)620 static int privsock(ty)
621 int ty;
622 {
623 int sock = inetresport(ty);
624
625 if (sock < 0) {
626 errno = 0;
627 /* Couldn't get a secure port, let RPC make an insecure one */
628 sock = RPC_ANYSOCK;
629 }
630 return sock;
631 }
632
633 #ifdef DEBUG
xfree(f,l,p)634 xfree(f, l, p)
635 char *f, *l;
636 voidp p;
637 {
638 free(p);
639 }
640 #endif /* DEBUG */
641