1 /* 2 * Copyright (c) 2011-2012 The DragonFly Project. All rights reserved. 3 * 4 * This code is derived from software contributed to The DragonFly Project 5 * by Matthew Dillon <dillon@dragonflybsd.org> 6 * by Venkatesh Srinivas <vsrinivas@dragonflybsd.org> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the 17 * distribution. 18 * 3. Neither the name of The DragonFly Project nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific, prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 25 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 26 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 28 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 30 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 31 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 32 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include "hammer2.h" 37 38 int DebugOpt; 39 int VerboseOpt; 40 int QuietOpt; 41 int NormalExit = 1; /* if set to 0 main() has to pthread_exit() */ 42 int RecurseOpt; 43 int ForceOpt; 44 45 static void usage(int code); 46 47 int 48 main(int ac, char **av) 49 { 50 const char *sel_path = NULL; 51 const char *uuid_str = NULL; 52 const char *arg; 53 int pfs_type = HAMMER2_PFSTYPE_NONE; 54 int all_opt = 0; 55 int ecode = 0; 56 int ch; 57 58 srandomdev(); 59 signal(SIGPIPE, SIG_IGN); 60 dmsg_crypto_setup(); 61 62 /* 63 * Core options 64 */ 65 while ((ch = getopt(ac, av, "adfrqs:t:u:v")) != -1) { 66 switch(ch) { 67 case 'a': 68 all_opt = 1; 69 break; 70 case 'd': 71 if (DebugOpt) 72 ++DMsgDebugOpt; 73 DebugOpt = 1; 74 break; 75 case 'f': 76 ForceOpt = 1; 77 break; 78 case 'r': 79 RecurseOpt = 1; 80 break; 81 case 's': 82 sel_path = optarg; 83 break; 84 case 't': 85 /* 86 * set node type for mkpfs 87 */ 88 if (strcasecmp(optarg, "CACHE") == 0) { 89 pfs_type = HAMMER2_PFSTYPE_CACHE; 90 } else if (strcasecmp(optarg, "DUMMY") == 0) { 91 pfs_type = HAMMER2_PFSTYPE_DUMMY; 92 } else if (strcasecmp(optarg, "SLAVE") == 0) { 93 pfs_type = HAMMER2_PFSTYPE_SLAVE; 94 } else if (strcasecmp(optarg, "SOFT_SLAVE") == 0) { 95 pfs_type = HAMMER2_PFSTYPE_SOFT_SLAVE; 96 } else if (strcasecmp(optarg, "SOFT_MASTER") == 0) { 97 pfs_type = HAMMER2_PFSTYPE_SOFT_MASTER; 98 } else if (strcasecmp(optarg, "MASTER") == 0) { 99 pfs_type = HAMMER2_PFSTYPE_MASTER; 100 } else { 101 fprintf(stderr, "-t: Unrecognized node type\n"); 102 usage(1); 103 } 104 break; 105 case 'u': 106 /* 107 * set uuid for mkpfs, else one will be generated 108 * (required for all except the MASTER node_type) 109 */ 110 uuid_str = optarg; 111 break; 112 case 'v': 113 if (QuietOpt) 114 --QuietOpt; 115 else 116 ++VerboseOpt; 117 break; 118 case 'q': 119 if (VerboseOpt) 120 --VerboseOpt; 121 else 122 ++QuietOpt; 123 break; 124 default: 125 fprintf(stderr, "Unknown option: %c\n", ch); 126 usage(1); 127 /* not reached */ 128 break; 129 } 130 } 131 132 /* 133 * Adjust, then process the command 134 */ 135 ac -= optind; 136 av += optind; 137 if (ac < 1) { 138 fprintf(stderr, "Missing command\n"); 139 usage(1); 140 /* not reached */ 141 } 142 143 if (strcmp(av[0], "connect") == 0) { 144 /* 145 * Add cluster connection 146 */ 147 if (ac < 2) { 148 fprintf(stderr, "connect: missing argument\n"); 149 usage(1); 150 } 151 ecode = cmd_remote_connect(sel_path, av[1]); 152 } else if (strcmp(av[0], "chaindump") == 0) { 153 if (ac < 2) 154 ecode = cmd_chaindump("."); 155 else 156 ecode = cmd_chaindump(av[1]); 157 } else if (strcmp(av[0], "debugspan") == 0) { 158 /* 159 * Debug connection to the target hammer2 service and run 160 * the CONN/SPAN protocol. 161 */ 162 if (ac < 2) { 163 fprintf(stderr, "debugspan: requires hostname\n"); 164 usage(1); 165 } 166 ecode = cmd_debugspan(av[1]); 167 } else if (strcmp(av[0], "disconnect") == 0) { 168 /* 169 * Remove cluster connection 170 */ 171 if (ac < 2) { 172 fprintf(stderr, "disconnect: missing argument\n"); 173 usage(1); 174 } 175 ecode = cmd_remote_disconnect(sel_path, av[1]); 176 } else if (strcmp(av[0], "destroy") == 0) { 177 if (ac < 2) { 178 fprintf(stderr, 179 "Specify one or more paths to destroy\n"); 180 } 181 ecode = cmd_destroy_path(ac - 1, (const char **)(void *)&av[1]); 182 } else if (strcmp(av[0], "hash") == 0) { 183 ecode = cmd_hash(ac - 1, (const char **)(void *)&av[1]); 184 } else if (strcmp(av[0], "info") == 0) { 185 ecode = cmd_info(ac - 1, (const char **)(void *)&av[1]); 186 } else if (strcmp(av[0], "mountall") == 0) { 187 ecode = cmd_mountall(ac - 1, (const char **)(void *)&av[1]); 188 } else if (strcmp(av[0], "status") == 0) { 189 /* 190 * Get status of PFS and its connections (-a for all PFSs) 191 */ 192 if (ac < 2) { 193 ecode = cmd_remote_status(sel_path, all_opt); 194 } else { 195 int i; 196 197 for (i = 1; i < ac; ++i) 198 ecode = cmd_remote_status(av[i], all_opt); 199 } 200 } else if (strcmp(av[0], "pfs-clid") == 0) { 201 /* 202 * Print cluster id (uuid) for specific PFS 203 */ 204 if (ac < 2) { 205 fprintf(stderr, "pfs-clid: requires name\n"); 206 usage(1); 207 } 208 ecode = cmd_pfs_getid(sel_path, av[1], 0); 209 } else if (strcmp(av[0], "pfs-fsid") == 0) { 210 /* 211 * Print private id (uuid) for specific PFS 212 */ 213 if (ac < 2) { 214 fprintf(stderr, "pfs-fsid: requires name\n"); 215 usage(1); 216 } 217 ecode = cmd_pfs_getid(sel_path, av[1], 1); 218 } else if (strcmp(av[0], "pfs-list") == 0) { 219 /* 220 * List all PFSs 221 */ 222 if (ac >= 2) { 223 ecode = cmd_pfs_list(ac - 1, 224 (const char **)(void *)&av[1]); 225 } else { 226 ecode = cmd_pfs_list(1, &sel_path); 227 } 228 } else if (strcmp(av[0], "pfs-create") == 0) { 229 /* 230 * Create new PFS using pfs_type 231 */ 232 if (ac < 2) { 233 fprintf(stderr, "pfs-create: requires name\n"); 234 usage(1); 235 } 236 ecode = cmd_pfs_create(sel_path, av[1], pfs_type, uuid_str); 237 } else if (strcmp(av[0], "pfs-delete") == 0) { 238 /* 239 * Delete a PFS by name 240 */ 241 if (ac < 2) { 242 fprintf(stderr, "pfs-delete: requires name\n"); 243 usage(1); 244 } 245 ecode = cmd_pfs_delete(sel_path, av[1]); 246 } else if (strcmp(av[0], "snapshot") == 0) { 247 /* 248 * Create snapshot with optional pfs-type and optional 249 * label override. 250 */ 251 if (ac > 3) { 252 fprintf(stderr, "pfs-snapshot: too many arguments\n"); 253 usage(1); 254 } 255 switch(ac) { 256 case 1: 257 ecode = cmd_pfs_snapshot(sel_path, NULL, NULL); 258 break; 259 case 2: 260 ecode = cmd_pfs_snapshot(sel_path, av[1], NULL); 261 break; 262 case 3: 263 ecode = cmd_pfs_snapshot(sel_path, av[1], av[2]); 264 break; 265 } 266 } else if (strcmp(av[0], "service") == 0) { 267 /* 268 * Start the service daemon. This daemon accepts 269 * connections from local and remote clients, handles 270 * the security handshake, and manages the core messaging 271 * protocol. 272 */ 273 ecode = cmd_service(); 274 } else if (strcmp(av[0], "stat") == 0) { 275 ecode = cmd_stat(ac - 1, (const char **)(void *)&av[1]); 276 } else if (strcmp(av[0], "leaf") == 0) { 277 /* 278 * Start the management daemon for a specific PFS. 279 * 280 * This will typically connect to the local master node 281 * daemon, register the PFS, and then pass its side of 282 * the socket descriptor to the kernel HAMMER2 VFS via an 283 * ioctl(). The process and/or thread context remains in the 284 * kernel until the PFS is unmounted or the connection is 285 * lost, then returns from the ioctl. 286 * 287 * It is possible to connect directly to a remote master node 288 * instead of the local master node in situations where 289 * encryption is not desired or no local master node is 290 * desired. This is not recommended because it represents 291 * a single point of failure for the PFS's communications. 292 * 293 * Direct kernel<->kernel communication between HAMMER2 VFSs 294 * is theoretically possible for directly-connected 295 * registrations (i.e. where the spanning tree is degenerate), 296 * but not recommended. We specifically try to reduce the 297 * complexity of the HAMMER2 VFS kernel code. 298 */ 299 ecode = cmd_leaf(sel_path); 300 } else if (strcmp(av[0], "shell") == 0) { 301 /* 302 * Connect to the command line monitor in the hammer2 master 303 * node for the machine using HAMMER2_DBG_SHELL messages. 304 */ 305 ecode = cmd_shell((ac < 2) ? NULL : av[1]); 306 } else if (strcmp(av[0], "rsainit") == 0) { 307 /* 308 * Initialize a RSA keypair. If no target directory is 309 * specified we default to "/etc/hammer2". 310 */ 311 arg = (ac < 2) ? HAMMER2_DEFAULT_DIR : av[1]; 312 ecode = cmd_rsainit(arg); 313 } else if (strcmp(av[0], "rsaenc") == 0) { 314 /* 315 * Encrypt the input symmetrically by running it through 316 * the specified public and/or private key files. 317 * 318 * If no key files are specified data is encoded using 319 * "/etc/hammer2/rsa.pub". 320 * 321 * WARNING: no padding is added, data stream must contain 322 * random padding for this to be secure. 323 * 324 * Used for debugging only 325 */ 326 if (ac == 1) { 327 const char *rsapath = HAMMER2_DEFAULT_DIR "/rsa.pub"; 328 ecode = cmd_rsaenc(&rsapath, 1); 329 } else { 330 ecode = cmd_rsaenc((const char **)(void *)&av[1], 331 ac - 1); 332 } 333 } else if (strcmp(av[0], "rsadec") == 0) { 334 /* 335 * Decrypt the input symmetrically by running it through 336 * the specified public and/or private key files. 337 * 338 * If no key files are specified data is decoded using 339 * "/etc/hammer2/rsa.prv". 340 * 341 * WARNING: no padding is added, data stream must contain 342 * random padding for this to be secure. 343 * 344 * Used for debugging only 345 */ 346 if (ac == 1) { 347 const char *rsapath = HAMMER2_DEFAULT_DIR "/rsa.prv"; 348 ecode = cmd_rsadec(&rsapath, 1); 349 } else { 350 ecode = cmd_rsadec((const char **)(void *)&av[1], 351 ac - 1); 352 } 353 } else if (strcmp(av[0], "show") == 0) { 354 /* 355 * Raw dump of filesystem. Use -v to check all crc's, and 356 * -vv to dump bulk file data. 357 */ 358 if (ac != 2) { 359 fprintf(stderr, "show: requires device path\n"); 360 usage(1); 361 } else { 362 cmd_show(av[1], 0); 363 } 364 } else if (strcmp(av[0], "freemap") == 0) { 365 /* 366 * Raw dump of freemap. Use -v to check all crc's, and 367 * -vv to dump bulk file data. 368 */ 369 if (ac != 2) { 370 fprintf(stderr, "freemap: requires device path\n"); 371 usage(1); 372 } else { 373 cmd_show(av[1], 1); 374 } 375 } else if (strcmp(av[0], "setcomp") == 0) { 376 if (ac < 3) { 377 /* 378 * Missing compression method and at least one 379 * path. 380 */ 381 fprintf(stderr, 382 "setcomp: requires compression method and" 383 "directory/file path\n"); 384 usage(1); 385 } else { 386 /* 387 * Multiple paths may be specified 388 */ 389 ecode = cmd_setcomp(av[1], &av[2]); 390 } 391 } else if (strcmp(av[0], "setcheck") == 0) { 392 if (ac < 3) { 393 /* 394 * Missing compression method and at least one 395 * path. 396 */ 397 fprintf(stderr, 398 "setcheck: requires check code method and" 399 "directory/file path\n"); 400 usage(1); 401 } else { 402 /* 403 * Multiple paths may be specified 404 */ 405 ecode = cmd_setcheck(av[1], &av[2]); 406 } 407 } else if (strcmp(av[0], "clrcheck") == 0) { 408 ecode = cmd_setcheck("none", &av[1]); 409 } else if (strcmp(av[0], "setcrc32") == 0) { 410 ecode = cmd_setcheck("crc32", &av[1]); 411 } else if (strcmp(av[0], "setxxhash64") == 0) { 412 ecode = cmd_setcheck("xxhash64", &av[1]); 413 } else if (strcmp(av[0], "setsha192") == 0) { 414 ecode = cmd_setcheck("sha192", &av[1]); 415 } else if (strcmp(av[0], "printinode") == 0) { 416 if (ac != 2) { 417 fprintf(stderr, 418 "printinode: requires directory/file path\n"); 419 usage(1); 420 } else { 421 print_inode(av[1]); 422 } 423 } else if (strcmp(av[0], "bulkfree") == 0) { 424 if (ac != 2) { 425 fprintf(stderr, 426 "bulkfree: requires path to mount\n"); 427 usage(1); 428 } else { 429 ecode = cmd_bulkfree(av[1]); 430 } 431 #if 0 432 } else if (strcmp(av[0], "bulkfree-async") == 0) { 433 if (ac != 2) { 434 fprintf(stderr, 435 "bulkfree-async: requires path to mount\n"); 436 usage(1); 437 } else { 438 ecode = cmd_bulkfree_async(av[1]); 439 } 440 #endif 441 } else if (strcmp(av[0], "cleanup") == 0) { 442 ecode = cmd_cleanup(av[1]); /* can be NULL */ 443 } else { 444 fprintf(stderr, "Unrecognized command: %s\n", av[0]); 445 usage(1); 446 } 447 448 /* 449 * In DebugMode we may wind up starting several pthreads in the 450 * original process, in which case we have to let them run and 451 * not actually exit. 452 */ 453 if (NormalExit) { 454 return (ecode); 455 } else { 456 pthread_exit(NULL); 457 _exit(2); /* NOT REACHED */ 458 } 459 } 460 461 static 462 void 463 usage(int code) 464 { 465 fprintf(stderr, 466 "hammer2 [options] command...\n" 467 " -s path Select filesystem\n" 468 " -t type PFS type for pfs-create\n" 469 " -u uuid uuid for pfs-create\n" 470 "\n" 471 " cleanup [<path>...] " 472 "Run cleanup passes\n" 473 " connect <target> " 474 "Add cluster link\n" 475 " debugspan <target> " 476 "Debug spanning tree\n" 477 " chaindump <path> " 478 "Dump in-memory chain topo at\n" 479 " destroy <path>* " 480 "Destroy a directory entry (only use if inode bad)\n" 481 " disconnect <target> " 482 "Del cluster link\n" 483 " hash filename* " 484 "Print directory hash\n" 485 " info [devpath...] " 486 "Info on all offline or online H2 partitions\n" 487 " mountall [devpath...] " 488 "Mount @LOCAL for all H2 partitions\n" 489 " status [<path>...] " 490 "Report active cluster status\n" 491 " pfs-list [<path>...] " 492 "List PFSs\n" 493 " pfs-clid <label> " 494 "Print cluster id for specific PFS\n" 495 " pfs-fsid <label> " 496 "Print private id for specific PFS\n" 497 " pfs-create <label> " 498 "Create a PFS\n" 499 " pfs-delete <label> " 500 "Destroy a PFS\n" 501 " snapshot <path> [<label>] " 502 "Snapshot a PFS or directory\n" 503 " service " 504 "Start service daemon\n" 505 " stat [<path>] " 506 "Return inode quota & config\n" 507 " leaf " 508 "Start pfs leaf daemon\n" 509 " shell [<host>] " 510 "Connect to debug shell\n" 511 " debugspan <target> " 512 "Connect to target, run CONN/SPAN\n" 513 " rsainit " 514 "Initialize rsa fields\n" 515 " show devpath " 516 "Raw hammer2 media dump\n" 517 " freemap devpath " 518 "Raw hammer2 media dump\n" 519 " setcomp comp[:level] path... " 520 "Set comp algo {none, autozero, lz4, zlib} & level\n" 521 " setcheck check path... " 522 "Set check algo {none, crc32, xxhash64, sha192}\n" 523 " clrcheck path... " 524 "Clear check code override\n" 525 " setcrc32 path... " 526 "Set check algo to crc32\n" 527 " setxxhash64 path... " 528 "Set check algo to xxhash64\n" 529 " setsha192 path... " 530 "Set check algo to sha192\n" 531 " bulkfree path... " 532 "Run bulkfree pass\n" 533 #if 0 534 " bulkfree-async path... " 535 "Run bulkfree pass asynchronously\n" 536 #endif 537 ); 538 exit(code); 539 } 540