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], "hash") == 0) { 177 ecode = cmd_hash(ac - 1, (const char **)(void *)&av[1]); 178 } else if (strcmp(av[0], "info") == 0) { 179 ecode = cmd_info(ac - 1, (const char **)(void *)&av[1]); 180 } else if (strcmp(av[0], "mountall") == 0) { 181 ecode = cmd_mountall(ac - 1, (const char **)(void *)&av[1]); 182 } else if (strcmp(av[0], "status") == 0) { 183 /* 184 * Get status of PFS and its connections (-a for all PFSs) 185 */ 186 if (ac < 2) { 187 ecode = cmd_remote_status(sel_path, all_opt); 188 } else { 189 int i; 190 191 for (i = 1; i < ac; ++i) 192 ecode = cmd_remote_status(av[i], all_opt); 193 } 194 } else if (strcmp(av[0], "pfs-clid") == 0) { 195 /* 196 * Print cluster id (uuid) for specific PFS 197 */ 198 if (ac < 2) { 199 fprintf(stderr, "pfs-clid: requires name\n"); 200 usage(1); 201 } 202 ecode = cmd_pfs_getid(sel_path, av[1], 0); 203 } else if (strcmp(av[0], "pfs-fsid") == 0) { 204 /* 205 * Print private id (uuid) for specific PFS 206 */ 207 if (ac < 2) { 208 fprintf(stderr, "pfs-fsid: requires name\n"); 209 usage(1); 210 } 211 ecode = cmd_pfs_getid(sel_path, av[1], 1); 212 } else if (strcmp(av[0], "pfs-list") == 0) { 213 /* 214 * List all PFSs 215 */ 216 if (ac >= 2) { 217 ecode = cmd_pfs_list(ac - 1, 218 (const char **)(void *)&av[1]); 219 } else { 220 ecode = cmd_pfs_list(1, &sel_path); 221 } 222 } else if (strcmp(av[0], "pfs-create") == 0) { 223 /* 224 * Create new PFS using pfs_type 225 */ 226 if (ac < 2) { 227 fprintf(stderr, "pfs-create: requires name\n"); 228 usage(1); 229 } 230 ecode = cmd_pfs_create(sel_path, av[1], pfs_type, uuid_str); 231 } else if (strcmp(av[0], "pfs-delete") == 0) { 232 /* 233 * Delete a PFS by name 234 */ 235 if (ac < 2) { 236 fprintf(stderr, "pfs-delete: requires name\n"); 237 usage(1); 238 } 239 ecode = cmd_pfs_delete(sel_path, av[1]); 240 } else if (strcmp(av[0], "snapshot") == 0) { 241 /* 242 * Create snapshot with optional pfs-type and optional 243 * label override. 244 */ 245 if (ac > 3) { 246 fprintf(stderr, "pfs-snapshot: too many arguments\n"); 247 usage(1); 248 } 249 switch(ac) { 250 case 1: 251 ecode = cmd_pfs_snapshot(sel_path, NULL, NULL); 252 break; 253 case 2: 254 ecode = cmd_pfs_snapshot(sel_path, av[1], NULL); 255 break; 256 case 3: 257 ecode = cmd_pfs_snapshot(sel_path, av[1], av[2]); 258 break; 259 } 260 } else if (strcmp(av[0], "service") == 0) { 261 /* 262 * Start the service daemon. This daemon accepts 263 * connections from local and remote clients, handles 264 * the security handshake, and manages the core messaging 265 * protocol. 266 */ 267 ecode = cmd_service(); 268 } else if (strcmp(av[0], "stat") == 0) { 269 ecode = cmd_stat(ac - 1, (const char **)(void *)&av[1]); 270 } else if (strcmp(av[0], "leaf") == 0) { 271 /* 272 * Start the management daemon for a specific PFS. 273 * 274 * This will typically connect to the local master node 275 * daemon, register the PFS, and then pass its side of 276 * the socket descriptor to the kernel HAMMER2 VFS via an 277 * ioctl(). The process and/or thread context remains in the 278 * kernel until the PFS is unmounted or the connection is 279 * lost, then returns from the ioctl. 280 * 281 * It is possible to connect directly to a remote master node 282 * instead of the local master node in situations where 283 * encryption is not desired or no local master node is 284 * desired. This is not recommended because it represents 285 * a single point of failure for the PFS's communications. 286 * 287 * Direct kernel<->kernel communication between HAMMER2 VFSs 288 * is theoretically possible for directly-connected 289 * registrations (i.e. where the spanning tree is degenerate), 290 * but not recommended. We specifically try to reduce the 291 * complexity of the HAMMER2 VFS kernel code. 292 */ 293 ecode = cmd_leaf(sel_path); 294 } else if (strcmp(av[0], "shell") == 0) { 295 /* 296 * Connect to the command line monitor in the hammer2 master 297 * node for the machine using HAMMER2_DBG_SHELL messages. 298 */ 299 ecode = cmd_shell((ac < 2) ? NULL : av[1]); 300 } else if (strcmp(av[0], "rsainit") == 0) { 301 /* 302 * Initialize a RSA keypair. If no target directory is 303 * specified we default to "/etc/hammer2". 304 */ 305 arg = (ac < 2) ? HAMMER2_DEFAULT_DIR : av[1]; 306 ecode = cmd_rsainit(arg); 307 } else if (strcmp(av[0], "rsaenc") == 0) { 308 /* 309 * Encrypt the input symmetrically by running it through 310 * the specified public and/or private key files. 311 * 312 * If no key files are specified data is encoded using 313 * "/etc/hammer2/rsa.pub". 314 * 315 * WARNING: no padding is added, data stream must contain 316 * random padding for this to be secure. 317 * 318 * Used for debugging only 319 */ 320 if (ac == 1) { 321 const char *rsapath = HAMMER2_DEFAULT_DIR "/rsa.pub"; 322 ecode = cmd_rsaenc(&rsapath, 1); 323 } else { 324 ecode = cmd_rsaenc((const char **)(void *)&av[1], 325 ac - 1); 326 } 327 } else if (strcmp(av[0], "rsadec") == 0) { 328 /* 329 * Decrypt the input symmetrically by running it through 330 * the specified public and/or private key files. 331 * 332 * If no key files are specified data is decoded using 333 * "/etc/hammer2/rsa.prv". 334 * 335 * WARNING: no padding is added, data stream must contain 336 * random padding for this to be secure. 337 * 338 * Used for debugging only 339 */ 340 if (ac == 1) { 341 const char *rsapath = HAMMER2_DEFAULT_DIR "/rsa.prv"; 342 ecode = cmd_rsadec(&rsapath, 1); 343 } else { 344 ecode = cmd_rsadec((const char **)(void *)&av[1], 345 ac - 1); 346 } 347 } else if (strcmp(av[0], "show") == 0) { 348 /* 349 * Raw dump of filesystem. Use -v to check all crc's, and 350 * -vv to dump bulk file data. 351 */ 352 if (ac != 2) { 353 fprintf(stderr, "show: requires device path\n"); 354 usage(1); 355 } else { 356 cmd_show(av[1], 0); 357 } 358 } else if (strcmp(av[0], "freemap") == 0) { 359 /* 360 * Raw dump of freemap. Use -v to check all crc's, and 361 * -vv to dump bulk file data. 362 */ 363 if (ac != 2) { 364 fprintf(stderr, "freemap: requires device path\n"); 365 usage(1); 366 } else { 367 cmd_show(av[1], 1); 368 } 369 } else if (strcmp(av[0], "setcomp") == 0) { 370 if (ac < 3) { 371 /* 372 * Missing compression method and at least one 373 * path. 374 */ 375 fprintf(stderr, 376 "setcomp: requires compression method and" 377 "directory/file path\n"); 378 usage(1); 379 } else { 380 /* 381 * Multiple paths may be specified 382 */ 383 ecode = cmd_setcomp(av[1], &av[2]); 384 } 385 } else if (strcmp(av[0], "setcheck") == 0) { 386 if (ac < 3) { 387 /* 388 * Missing compression method and at least one 389 * path. 390 */ 391 fprintf(stderr, 392 "setcheck: requires check code method and" 393 "directory/file path\n"); 394 usage(1); 395 } else { 396 /* 397 * Multiple paths may be specified 398 */ 399 ecode = cmd_setcheck(av[1], &av[2]); 400 } 401 } else if (strcmp(av[0], "clrcheck") == 0) { 402 ecode = cmd_setcheck("none", &av[1]); 403 } else if (strcmp(av[0], "setcrc32") == 0) { 404 ecode = cmd_setcheck("crc32", &av[1]); 405 } else if (strcmp(av[0], "setcrc64") == 0) { 406 ecode = cmd_setcheck("crc64", &av[1]); 407 } else if (strcmp(av[0], "setsha192") == 0) { 408 ecode = cmd_setcheck("sha192", &av[1]); 409 } else if (strcmp(av[0], "printinode") == 0) { 410 if (ac != 2) { 411 fprintf(stderr, 412 "printinode: requires directory/file path\n"); 413 usage(1); 414 } else { 415 print_inode(av[1]); 416 } 417 } else if (strcmp(av[0], "bulkfree") == 0) { 418 if (ac != 2) { 419 fprintf(stderr, 420 "bulkfree: requires path to mount\n"); 421 usage(1); 422 } else { 423 ecode = cmd_bulkfree(av[1]); 424 } 425 } else { 426 fprintf(stderr, "Unrecognized command: %s\n", av[0]); 427 usage(1); 428 } 429 430 /* 431 * In DebugMode we may wind up starting several pthreads in the 432 * original process, in which case we have to let them run and 433 * not actually exit. 434 */ 435 if (NormalExit) { 436 return (ecode); 437 } else { 438 pthread_exit(NULL); 439 _exit(2); /* NOT REACHED */ 440 } 441 } 442 443 static 444 void 445 usage(int code) 446 { 447 fprintf(stderr, 448 "hammer2 [options] command...\n" 449 " -s path Select filesystem\n" 450 " -t type PFS type for pfs-create\n" 451 " -u uuid uuid for pfs-create\n" 452 "\n" 453 " connect <target> " 454 "Add cluster link\n" 455 " disconnect <target> " 456 "Del cluster link\n" 457 " hash filename* " 458 "Print directory hash\n" 459 " info [devpath...] " 460 "Info on all offline or online H2 partitions\n" 461 " mountall [devpath...] " 462 "Mount @LOCAL for all H2 partitions\n" 463 " status [<path>...] " 464 "Report active cluster status\n" 465 " pfs-list [<path>...] " 466 "List PFSs\n" 467 " pfs-clid <label> " 468 "Print cluster id for specific PFS\n" 469 " pfs-fsid <label> " 470 "Print private id for specific PFS\n" 471 " pfs-create <label> " 472 "Create a PFS\n" 473 " pfs-delete <label> " 474 "Destroy a PFS\n" 475 " snapshot <path> [<label>] " 476 "Snapshot a PFS or directory\n" 477 " service " 478 "Start service daemon\n" 479 " stat [<path>] " 480 "Return inode quota & config\n" 481 " leaf " 482 "Start pfs leaf daemon\n" 483 " shell [<host>] " 484 "Connect to debug shell\n" 485 " debugspan <target> " 486 "Connect to target, run CONN/SPAN\n" 487 " rsainit " 488 "Initialize rsa fields\n" 489 " show devpath " 490 "Raw hammer2 media dump\n" 491 " freemap devpath " 492 "Raw hammer2 media dump\n" 493 " setcomp comp[:level] path... " 494 "Set comp algo {none, autozero, lz4, zlib} & level\n" 495 " setcheck check path... " 496 "Set check algo {none, crc32, crc64, sha192}\n" 497 " clrcheck path... " 498 "Clear check code override\n" 499 " setcrc32 path... " 500 "Set check algo to crc32\n" 501 " setcrc64 path... " 502 "Set check algo to crc64\n" 503 " setsha192 path... " 504 "Set check algo to sha192\n" 505 " bulkfree path... " 506 "Run bulkfree pass\n" 507 ); 508 exit(code); 509 } 510