1 /* 2 * Copyright (c) 1990 Jan-Simon Pendry 3 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine 4 * Copyright (c) 1990 The Regents of the University of California. 5 * 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 5.4 (Berkeley) 02/09/92 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 The Regents of the University of California.\n\ 27 @(#)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 5.4 (Berkeley) 02/09/92"; 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 */ 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 */ 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 } 155 156 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 extern char *sys_errlist[]; 189 extern int sys_nerr; 190 if (mi->mi_error < sys_nerr) 191 printf(" (%s)", sys_errlist[mi->mi_error]); 192 else 193 printf(" (Error %d)", mi->mi_error); 194 } else if (mi->mi_error < 0) { 195 fputs(" (in progress)", stdout); 196 } 197 fputc('\n', stdout); 198 } 199 } break; 200 } 201 } 202 203 /* 204 * Display general mount statistics 205 */ 206 static void show_ms(ms) 207 amq_mount_stats *ms; 208 { 209 printf("\ 210 requests stale mount mount unmount\n\ 211 deferred fhandles ok failed failed\n\ 212 %-9d %-9d %-9d %-9d %-9d\n", 213 ms->as_drops, ms->as_stale, ms->as_mok, ms->as_merr, ms->as_uerr); 214 } 215 216 static bool_t 217 xdr_pri_free(xdr_args, args_ptr) 218 xdrproc_t xdr_args; 219 caddr_t args_ptr; 220 { 221 XDR xdr; 222 xdr.x_op = XDR_FREE; 223 return ((*xdr_args)(&xdr, args_ptr)); 224 } 225 226 #ifdef hpux 227 #include <cluster.h> 228 static char *cluster_server() 229 { 230 struct cct_entry *cp; 231 232 if (cnodeid() == 0) { 233 /* 234 * Not clustered 235 */ 236 return def_server; 237 } 238 239 while (cp = getccent()) 240 if (cp->cnode_type == 'r') 241 return cp->cnode_name; 242 243 244 return def_server; 245 } 246 #endif /* hpux */ 247 248 /* 249 * MAIN 250 */ 251 main(argc, argv) 252 int argc; 253 char *argv[]; 254 { 255 int opt_ch; 256 int errs = 0; 257 char *server; 258 struct sockaddr_in server_addr; 259 260 /* In order to pass the Amd security check, we must use a priv port. */ 261 int s; 262 263 CLIENT *clnt; 264 struct hostent *hp; 265 int nodefault = 0; 266 267 /* 268 * Compute program name 269 */ 270 if (argv[0]) { 271 progname = strrchr(argv[0], '/'); 272 if (progname && progname[1]) 273 progname++; 274 else 275 progname = argv[0]; 276 } 277 if (!progname) 278 progname = "amq"; 279 280 /* 281 * Parse arguments 282 */ 283 while ((opt_ch = getopt(argc, argv, "fh:l:msuvx:D:M:")) != EOF) 284 switch (opt_ch) { 285 case 'f': 286 flush_flag = 1; 287 nodefault = 1; 288 break; 289 290 case 'h': 291 def_server = optarg; 292 break; 293 294 case 'l': 295 logfile = optarg; 296 nodefault = 1; 297 break; 298 299 case 'm': 300 minfo_flag = 1; 301 nodefault = 1; 302 break; 303 304 case 's': 305 stats_flag = 1; 306 nodefault = 1; 307 break; 308 309 case 'u': 310 unmount_flag = 1; 311 nodefault = 1; 312 break; 313 314 case 'v': 315 getvers_flag = 1; 316 nodefault = 1; 317 break; 318 319 case 'x': 320 xlog_optstr = optarg; 321 nodefault = 1; 322 break; 323 324 case 'D': 325 debug_opts = optarg; 326 nodefault = 1; 327 break; 328 329 case 'M': 330 mount_map = optarg; 331 nodefault = 1; 332 break; 333 334 default: 335 errs = 1; 336 break; 337 } 338 339 if (optind == argc) { 340 if (unmount_flag) 341 errs = 1; 342 } 343 344 if (errs) { 345 show_usage: 346 fprintf(stderr, "\ 347 Usage: %s [-h host] [[-f] [-m] [-v] [-s]] | [[-u] directory ...]] |\n\ 348 \t[-l logfile|\"syslog\"] [-x log_flags] [-D dbg_opts] [-M mapent]\n", progname); 349 exit(1); 350 } 351 352 #ifdef hpux 353 /* 354 * Figure out root server of cluster 355 */ 356 if (def_server == localhost) 357 server = cluster_server(); 358 else 359 #endif /* hpux */ 360 server = def_server; 361 362 /* 363 * Get address of server 364 */ 365 if ((hp = gethostbyname(server)) == 0 && strcmp(server, localhost) != 0) { 366 fprintf(stderr, "%s: Can't get address of %s\n", progname, server); 367 exit(1); 368 } 369 bzero(&server_addr, sizeof server_addr); 370 server_addr.sin_family = AF_INET; 371 if (hp) { 372 bcopy((voidp) hp->h_addr, (voidp) &server_addr.sin_addr, 373 sizeof(server_addr.sin_addr)); 374 } else { 375 /* fake "localhost" */ 376 server_addr.sin_addr.s_addr = htonl(0x7f000001); 377 } 378 379 /* 380 * Create RPC endpoint 381 */ 382 s = privsock(SOCK_STREAM); 383 clnt = clnttcp_create(&server_addr, AMQ_PROGRAM, AMQ_VERSION, &s, 0, 0); 384 if (clnt == 0) { 385 close(s); 386 s = privsock(SOCK_DGRAM); 387 clnt = clntudp_create(&server_addr, AMQ_PROGRAM, AMQ_VERSION, TIMEOUT, &s); 388 } 389 if (clnt == 0) { 390 fprintf(stderr, "%s: ", progname); 391 clnt_pcreateerror(server); 392 exit(1); 393 } 394 395 /* 396 * Control debugging 397 */ 398 if (debug_opts) { 399 int *rc; 400 amq_setopt opt; 401 opt.as_opt = AMOPT_DEBUG; 402 opt.as_str = debug_opts; 403 rc = amqproc_setopt_1(&opt, clnt); 404 if (rc && *rc < 0) { 405 fprintf(stderr, "%s: daemon not compiled for debug", progname); 406 errs = 1; 407 } else if (!rc || *rc > 0) { 408 fprintf(stderr, "%s: debug setting for \"%s\" failed\n", progname, debug_opts); 409 errs = 1; 410 } 411 } 412 413 /* 414 * Control logging 415 */ 416 if (xlog_optstr) { 417 int *rc; 418 amq_setopt opt; 419 opt.as_opt = AMOPT_XLOG; 420 opt.as_str = xlog_optstr; 421 rc = amqproc_setopt_1(&opt, clnt); 422 if (!rc || *rc) { 423 fprintf(stderr, "%s: setting log level to \"%s\" failed\n", progname, xlog_optstr); 424 errs = 1; 425 } 426 } 427 428 /* 429 * Control log file 430 */ 431 if (logfile) { 432 int *rc; 433 amq_setopt opt; 434 opt.as_opt = AMOPT_LOGFILE; 435 opt.as_str = logfile; 436 rc = amqproc_setopt_1(&opt, clnt); 437 if (!rc || *rc) { 438 fprintf(stderr, "%s: setting logfile to \"%s\" failed\n", progname, logfile); 439 errs = 1; 440 } 441 } 442 443 /* 444 * Flush map cache 445 */ 446 if (flush_flag) { 447 int *rc; 448 amq_setopt opt; 449 opt.as_opt = AMOPT_FLUSHMAPC; 450 opt.as_str = ""; 451 rc = amqproc_setopt_1(&opt, clnt); 452 if (!rc || *rc) { 453 fprintf(stderr, "%s: amd on %s cannot flush the map cache\n", progname, server); 454 errs = 1; 455 } 456 } 457 458 /* 459 * Mount info 460 */ 461 if (minfo_flag) { 462 int dummy; 463 amq_mount_info_list *ml = amqproc_getmntfs_1(&dummy, clnt); 464 if (ml) { 465 int mwid = 0, dwid = 0, twid = 0; 466 show_mi(ml, Calc, &mwid, &dwid, &twid); 467 mwid++; dwid++; twid++; 468 show_mi(ml, Full, &mwid, &dwid, &twid); 469 470 } else { 471 fprintf(stderr, "%s: amd on %s cannot provide mount info\n", progname, server); 472 } 473 } 474 475 /* 476 * Mount map 477 */ 478 if (mount_map) { 479 int *rc; 480 do { 481 rc = amqproc_mount_1(&mount_map, clnt); 482 } while (rc && *rc < 0); 483 if (!rc || *rc > 0) { 484 if (rc) 485 errno = *rc; 486 else 487 errno = ETIMEDOUT; 488 fprintf(stderr, "%s: could not start new ", progname); 489 perror("autmount point"); 490 } 491 } 492 493 /* 494 * Get Version 495 */ 496 if (getvers_flag) { 497 amq_string *spp = amqproc_getvers_1((voidp) 0, clnt); 498 if (spp && *spp) { 499 printf("%s.\n", *spp); 500 free(*spp); 501 } else { 502 fprintf(stderr, "%s: failed to get version information\n", progname); 503 errs = 1; 504 } 505 } 506 507 /* 508 * Apply required operation to all remaining arguments 509 */ 510 if (optind < argc) { 511 do { 512 char *fs = argv[optind++]; 513 if (unmount_flag) { 514 /* 515 * Unmount request 516 */ 517 amqproc_umnt_1(&fs, clnt); 518 } else { 519 /* 520 * Stats request 521 */ 522 amq_mount_tree_p *mtp = amqproc_mnttree_1(&fs, clnt); 523 if (mtp) { 524 amq_mount_tree *mt = *mtp; 525 if (mt) { 526 int mwid = 0, dwid = 0, twid = 0; 527 show_mt(mt, Calc, &mwid, &dwid, &twid); 528 mwid++; dwid++, twid++; 529 printf("%-*.*s Uid Getattr Lookup RdDir RdLnk Statfs Mounted@\n", 530 dwid, dwid, "What"); 531 show_mt(mt, Stats, &mwid, &dwid, &twid); 532 } else { 533 fprintf(stderr, "%s: %s not automounted\n", progname, fs); 534 } 535 xdr_pri_free(xdr_amq_mount_tree_p, (caddr_t) mtp); 536 } else { 537 fprintf(stderr, "%s: ", progname); 538 clnt_perror(clnt, server); 539 errs = 1; 540 } 541 } 542 } while (optind < argc); 543 } else if (unmount_flag) { 544 goto show_usage; 545 } else if (stats_flag) { 546 amq_mount_stats *ms = amqproc_stats_1((voidp) 0, clnt); 547 if (ms) { 548 show_ms(ms); 549 } else { 550 fprintf(stderr, "%s: ", progname); 551 clnt_perror(clnt, server); 552 errs = 1; 553 } 554 } else if (!nodefault) { 555 amq_mount_tree_list *mlp = amqproc_export_1((voidp) 0, clnt); 556 if (mlp) { 557 enum show_opt e = Calc; 558 int mwid = 0, dwid = 0, pwid = 0; 559 while (e != ShowDone) { 560 int i; 561 for (i = 0; i < mlp->amq_mount_tree_list_len; i++) { 562 show_mt(mlp->amq_mount_tree_list_val[i], 563 e, &mwid, &dwid, &pwid); 564 } 565 mwid++; dwid++, pwid++; 566 if (e == Calc) e = Short; 567 else if (e == Short) e = ShowDone; 568 } 569 } else { 570 fprintf(stderr, "%s: ", progname); 571 clnt_perror(clnt, server); 572 errs = 1; 573 } 574 } 575 576 exit(errs); 577 } 578 579 /* 580 * udpresport creates a datagram socket and attempts to bind it to a 581 * secure port. 582 * returns: The bound socket, or -1 to indicate an error. 583 */ 584 static int inetresport(ty) 585 int ty; 586 { 587 int alport; 588 struct sockaddr_in addr; 589 int sock; 590 591 /* Use internet address family */ 592 addr.sin_family = AF_INET; 593 addr.sin_addr.s_addr = INADDR_ANY; 594 if ((sock = socket(AF_INET, ty, 0)) < 0) 595 return -1; 596 for (alport = IPPORT_RESERVED-1; alport > IPPORT_RESERVED/2 + 1; alport--) { 597 addr.sin_port = htons((u_short)alport); 598 if (bind(sock, (struct sockaddr *)&addr, sizeof (addr)) >= 0) 599 return sock; 600 if (errno != EADDRINUSE) { 601 close(sock); 602 return -1; 603 } 604 } 605 close(sock); 606 errno = EAGAIN; 607 return -1; 608 } 609 610 /* 611 * Privsock() calls inetresport() to attempt to bind a socket to a secure 612 * port. If inetresport() fails, privsock returns a magic socket number which 613 * indicates to RPC that it should make its own socket. 614 * returns: A privileged socket # or RPC_ANYSOCK. 615 */ 616 static int privsock(ty) 617 int ty; 618 { 619 int sock = inetresport(ty); 620 621 if (sock < 0) { 622 errno = 0; 623 /* Couldn't get a secure port, let RPC make an insecure one */ 624 sock = RPC_ANYSOCK; 625 } 626 return sock; 627 } 628 629 #ifdef DEBUG 630 xfree(f, l, p) 631 char *f, *l; 632 voidp p; 633 { 634 free(p); 635 } 636 #endif /* DEBUG */ 637