1 /* $OpenBSD: main.c,v 1.65 2021/05/12 20:13:00 dv Exp $ */ 2 3 /* 4 * Copyright (c) 2015 Reyk Floeter <reyk@openbsd.org> 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 */ 18 19 #include <sys/types.h> 20 #include <sys/socket.h> 21 #include <sys/queue.h> 22 #include <sys/un.h> 23 24 #include <machine/vmmvar.h> 25 26 #include <err.h> 27 #include <errno.h> 28 #include <stdio.h> 29 #include <stdlib.h> 30 #include <stdint.h> 31 #include <limits.h> 32 #include <string.h> 33 #include <syslog.h> 34 #include <unistd.h> 35 #include <fcntl.h> 36 #include <util.h> 37 #include <imsg.h> 38 39 #include "vmd.h" 40 #include "virtio.h" 41 #include "proc.h" 42 #include "vmctl.h" 43 44 #define RAW_FMT "raw" 45 #define QCOW2_FMT "qcow2" 46 47 static const char *socket_name = SOCKET_NAME; 48 static int ctl_sock = -1; 49 static int tty_autoconnect = 0; 50 51 __dead void usage(void); 52 __dead void ctl_usage(struct ctl_command *); 53 54 int vmm_action(struct parse_result *); 55 56 int ctl_console(struct parse_result *, int, char *[]); 57 int ctl_convert(const char *, const char *, int, size_t); 58 int ctl_create(struct parse_result *, int, char *[]); 59 int ctl_load(struct parse_result *, int, char *[]); 60 int ctl_log(struct parse_result *, int, char *[]); 61 int ctl_reload(struct parse_result *, int, char *[]); 62 int ctl_reset(struct parse_result *, int, char *[]); 63 int ctl_start(struct parse_result *, int, char *[]); 64 int ctl_status(struct parse_result *, int, char *[]); 65 int ctl_stop(struct parse_result *, int, char *[]); 66 int ctl_waitfor(struct parse_result *, int, char *[]); 67 int ctl_pause(struct parse_result *, int, char *[]); 68 int ctl_unpause(struct parse_result *, int, char *[]); 69 int ctl_send(struct parse_result *, int, char *[]); 70 int ctl_receive(struct parse_result *, int, char *[]); 71 72 struct ctl_command ctl_commands[] = { 73 { "console", CMD_CONSOLE, ctl_console, "id" }, 74 { "create", CMD_CREATE, ctl_create, 75 "[-b base | -i disk] [-s size] disk", 1 }, 76 { "load", CMD_LOAD, ctl_load, "filename" }, 77 { "log", CMD_LOG, ctl_log, "[brief | verbose]" }, 78 { "pause", CMD_PAUSE, ctl_pause, "id" }, 79 { "receive", CMD_RECEIVE, ctl_receive, "name" , 1}, 80 { "reload", CMD_RELOAD, ctl_reload, "" }, 81 { "reset", CMD_RESET, ctl_reset, "[all | switches | vms]" }, 82 { "send", CMD_SEND, ctl_send, "id", 1}, 83 { "show", CMD_STATUS, ctl_status, "[id]" }, 84 { "start", CMD_START, ctl_start, 85 "[-cL] [-B device] [-b path] [-d disk] [-i count]\n" 86 "\t\t[-m size] [-n switch] [-r path] [-t name] id | name" }, 87 { "status", CMD_STATUS, ctl_status, "[id]" }, 88 { "stop", CMD_STOP, ctl_stop, "[-fw] [id | -a]" }, 89 { "unpause", CMD_UNPAUSE, ctl_unpause, "id" }, 90 { "wait", CMD_WAITFOR, ctl_waitfor, "id" }, 91 { NULL } 92 }; 93 94 __dead void 95 usage(void) 96 { 97 extern char *__progname; 98 int i; 99 100 fprintf(stderr, "usage:\t%s [-v] command [arg ...]\n", 101 __progname); 102 for (i = 0; ctl_commands[i].name != NULL; i++) { 103 fprintf(stderr, "\t%s %s %s\n", __progname, 104 ctl_commands[i].name, ctl_commands[i].usage); 105 } 106 exit(1); 107 } 108 109 __dead void 110 ctl_usage(struct ctl_command *ctl) 111 { 112 extern char *__progname; 113 114 fprintf(stderr, "usage:\t%s [-v] %s %s\n", __progname, 115 ctl->name, ctl->usage); 116 exit(1); 117 } 118 119 int 120 main(int argc, char *argv[]) 121 { 122 int ch, verbose = 1; 123 124 while ((ch = getopt(argc, argv, "v")) != -1) { 125 switch (ch) { 126 case 'v': 127 verbose = 2; 128 break; 129 default: 130 usage(); 131 /* NOTREACHED */ 132 } 133 } 134 argc -= optind; 135 argv += optind; 136 optreset = 1; 137 optind = 1; 138 139 if (argc < 1) 140 usage(); 141 142 log_init(verbose, LOG_DAEMON); 143 144 return (parse(argc, argv)); 145 } 146 147 int 148 parse(int argc, char *argv[]) 149 { 150 struct ctl_command *ctl = NULL; 151 struct parse_result res; 152 int i; 153 154 memset(&res, 0, sizeof(res)); 155 res.nifs = -1; 156 157 for (i = 0; ctl_commands[i].name != NULL; i++) { 158 if (strncmp(ctl_commands[i].name, 159 argv[0], strlen(argv[0])) == 0) { 160 if (ctl != NULL) { 161 fprintf(stderr, 162 "ambiguous argument: %s\n", argv[0]); 163 usage(); 164 } 165 ctl = &ctl_commands[i]; 166 } 167 } 168 169 if (ctl == NULL) { 170 fprintf(stderr, "unknown argument: %s\n", argv[0]); 171 usage(); 172 } 173 174 res.action = ctl->action; 175 res.ctl = ctl; 176 177 if (!ctl->has_pledge) { 178 /* pledge(2) default if command doesn't have its own pledge */ 179 if (pledge("stdio rpath exec unix getpw unveil", NULL) == -1) 180 err(1, "pledge"); 181 } 182 if (ctl->main(&res, argc, argv) != 0) 183 exit(1); 184 185 if (ctl_sock != -1) { 186 close(ibuf->fd); 187 free(ibuf); 188 } 189 190 return (0); 191 } 192 193 int 194 vmmaction(struct parse_result *res) 195 { 196 struct sockaddr_un sun; 197 struct imsg imsg; 198 int done = 0; 199 int n; 200 int ret, action; 201 unsigned int flags; 202 203 if (ctl_sock == -1) { 204 if (unveil(SOCKET_NAME, "r") == -1) 205 err(1, "unveil"); 206 if ((ctl_sock = socket(AF_UNIX, 207 SOCK_STREAM|SOCK_CLOEXEC, 0)) == -1) 208 err(1, "socket"); 209 210 memset(&sun, 0, sizeof(sun)); 211 sun.sun_family = AF_UNIX; 212 strlcpy(sun.sun_path, socket_name, sizeof(sun.sun_path)); 213 214 if (connect(ctl_sock, 215 (struct sockaddr *)&sun, sizeof(sun)) == -1) 216 err(1, "connect: %s", socket_name); 217 218 if ((ibuf = malloc(sizeof(struct imsgbuf))) == NULL) 219 err(1, "malloc"); 220 imsg_init(ibuf, ctl_sock); 221 } 222 223 switch (res->action) { 224 case CMD_START: 225 ret = vm_start(res->id, res->name, res->size, res->nifs, 226 res->nets, res->ndisks, res->disks, res->disktypes, 227 res->path, res->isopath, res->instance, res->bootdevice); 228 if (ret) { 229 errno = ret; 230 err(1, "start VM operation failed"); 231 } 232 break; 233 case CMD_STOP: 234 terminate_vm(res->id, res->name, res->flags); 235 break; 236 case CMD_STATUS: 237 case CMD_CONSOLE: 238 case CMD_STOPALL: 239 get_info_vm(res->id, res->name, res->action, res->flags); 240 break; 241 case CMD_LOAD: 242 imsg_compose(ibuf, IMSG_VMDOP_LOAD, 0, 0, -1, 243 res->path, strlen(res->path) + 1); 244 break; 245 case CMD_LOG: 246 imsg_compose(ibuf, IMSG_CTL_VERBOSE, 0, 0, -1, 247 &res->verbose, sizeof(res->verbose)); 248 break; 249 case CMD_RELOAD: 250 imsg_compose(ibuf, IMSG_VMDOP_RELOAD, 0, 0, -1, NULL, 0); 251 break; 252 case CMD_RESET: 253 imsg_compose(ibuf, IMSG_CTL_RESET, 0, 0, -1, 254 &res->mode, sizeof(res->mode)); 255 break; 256 case CMD_WAITFOR: 257 waitfor_vm(res->id, res->name); 258 break; 259 case CMD_PAUSE: 260 pause_vm(res->id, res->name); 261 break; 262 case CMD_UNPAUSE: 263 unpause_vm(res->id, res->name); 264 break; 265 case CMD_SEND: 266 send_vm(res->id, res->name); 267 done = 1; 268 ret = 0; 269 break; 270 case CMD_RECEIVE: 271 vm_receive(res->id, res->name); 272 break; 273 case CMD_CREATE: 274 case NONE: 275 /* The action is not expected here */ 276 errx(1, "invalid action %u", res->action); 277 break; 278 } 279 280 action = res->action; 281 flags = res->flags; 282 parse_free(res); 283 284 while (ibuf->w.queued) 285 if (msgbuf_write(&ibuf->w) <= 0 && errno != EAGAIN) 286 err(1, "write error"); 287 288 while (!done) { 289 if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN) 290 errx(1, "imsg_read error"); 291 if (n == 0) 292 errx(1, "pipe closed"); 293 294 while (!done) { 295 if ((n = imsg_get(ibuf, &imsg)) == -1) 296 errx(1, "imsg_get error"); 297 if (n == 0) 298 break; 299 300 if (imsg.hdr.type == IMSG_CTL_FAIL) { 301 if (IMSG_DATA_SIZE(&imsg) == sizeof(ret)) 302 memcpy(&ret, imsg.data, sizeof(ret)); 303 else 304 ret = 0; 305 if (ret != 0) { 306 errno = ret; 307 err(1, "command failed"); 308 } else 309 errx(1, "command failed"); 310 } 311 312 ret = 0; 313 switch (action) { 314 case CMD_START: 315 done = vm_start_complete(&imsg, &ret, 316 tty_autoconnect); 317 break; 318 case CMD_WAITFOR: 319 flags = VMOP_WAIT; 320 /* FALLTHROUGH */ 321 case CMD_STOP: 322 done = terminate_vm_complete(&imsg, &ret, 323 flags); 324 break; 325 case CMD_CONSOLE: 326 case CMD_STATUS: 327 case CMD_STOPALL: 328 done = add_info(&imsg, &ret); 329 break; 330 case CMD_PAUSE: 331 done = pause_vm_complete(&imsg, &ret); 332 break; 333 case CMD_RECEIVE: 334 done = vm_start_complete(&imsg, &ret, 0); 335 break; 336 case CMD_UNPAUSE: 337 done = unpause_vm_complete(&imsg, &ret); 338 break; 339 default: 340 done = 1; 341 break; 342 } 343 344 imsg_free(&imsg); 345 } 346 } 347 348 if (ret) 349 return (1); 350 else 351 return (0); 352 } 353 354 void 355 parse_free(struct parse_result *res) 356 { 357 size_t i; 358 359 free(res->name); 360 free(res->path); 361 free(res->isopath); 362 free(res->instance); 363 for (i = 0; i < res->ndisks; i++) 364 free(res->disks[i]); 365 free(res->disks); 366 free(res->disktypes); 367 memset(res, 0, sizeof(*res)); 368 } 369 370 int 371 parse_ifs(struct parse_result *res, char *word, int val) 372 { 373 const char *error; 374 375 if (word != NULL) { 376 val = strtonum(word, 1, INT_MAX, &error); 377 if (error != NULL) { 378 warnx("count is %s: %s", error, word); 379 return (-1); 380 } 381 } 382 res->nifs = val; 383 384 return (0); 385 } 386 387 int 388 parse_network(struct parse_result *res, char *word) 389 { 390 char **nets; 391 char *s; 392 393 if ((nets = reallocarray(res->nets, res->nnets + 1, 394 sizeof(char *))) == NULL) { 395 warn("reallocarray"); 396 return (-1); 397 } 398 if ((s = strdup(word)) == NULL) { 399 warn("strdup"); 400 return (-1); 401 } 402 nets[res->nnets] = s; 403 res->nets = nets; 404 res->nnets++; 405 406 return (0); 407 } 408 409 int 410 parse_size(struct parse_result *res, char *word) 411 { 412 long long val = 0; 413 414 if (word != NULL) { 415 if (scan_scaled(word, &val) != 0) { 416 warn("invalid size: %s", word); 417 return (-1); 418 } 419 } 420 421 if (val < (1024 * 1024)) { 422 warnx("size must be at least one megabyte"); 423 return (-1); 424 } else 425 res->size = val / 1024 / 1024; 426 427 if ((res->size * 1024 * 1024) != val) 428 warnx("size rounded to %lld megabytes", res->size); 429 430 return (0); 431 } 432 433 int 434 parse_disktype(const char *s, const char **ret) 435 { 436 char buf[BUFSIZ]; 437 const char *ext; 438 int fd; 439 ssize_t len; 440 441 *ret = s; 442 443 /* Try to parse the explicit format (qcow2:disk.qc2) */ 444 if (strstr(s, RAW_FMT) == s && *(s + strlen(RAW_FMT)) == ':') { 445 *ret = s + strlen(RAW_FMT) + 1; 446 return (VMDF_RAW); 447 } 448 if (strstr(s, QCOW2_FMT) == s && *(s + strlen(QCOW2_FMT)) == ':') { 449 *ret = s + strlen(QCOW2_FMT) + 1; 450 return (VMDF_QCOW2); 451 } 452 453 /* Or try to derive the format from the file signature */ 454 if ((fd = open(s, O_RDONLY)) != -1) { 455 len = read(fd, buf, sizeof(buf)); 456 close(fd); 457 458 if (len >= (ssize_t)strlen(VM_MAGIC_QCOW) && 459 strncmp(buf, VM_MAGIC_QCOW, 460 strlen(VM_MAGIC_QCOW)) == 0) { 461 /* Return qcow2, the version will be checked later */ 462 return (VMDF_QCOW2); 463 } 464 } 465 466 /* 467 * Use the extension as a last option. This is needed for 468 * 'vmctl create' as the file, and the signature, doesn't 469 * exist yet. 470 */ 471 if ((ext = strrchr(s, '.')) != NULL && *(++ext) != '\0') { 472 if (strcasecmp(ext, RAW_FMT) == 0) 473 return (VMDF_RAW); 474 else if (strcasecmp(ext, QCOW2_FMT) == 0) 475 return (VMDF_QCOW2); 476 } 477 478 /* Fallback to raw */ 479 return (VMDF_RAW); 480 } 481 482 int 483 parse_disk(struct parse_result *res, char *word, int type) 484 { 485 char **disks; 486 int *disktypes; 487 char *s; 488 489 if ((disks = reallocarray(res->disks, res->ndisks + 1, 490 sizeof(char *))) == NULL) { 491 warn("reallocarray"); 492 return (-1); 493 } 494 if ((disktypes = reallocarray(res->disktypes, res->ndisks + 1, 495 sizeof(int))) == NULL) { 496 warn("reallocarray"); 497 return -1; 498 } 499 if ((s = strdup(word)) == NULL) { 500 warn("strdup"); 501 return (-1); 502 } 503 disks[res->ndisks] = s; 504 disktypes[res->ndisks] = type; 505 res->disks = disks; 506 res->disktypes = disktypes; 507 res->ndisks++; 508 509 return (0); 510 } 511 512 int 513 parse_vmid(struct parse_result *res, char *word, int needname) 514 { 515 const char *error; 516 uint32_t id; 517 518 if (word == NULL) { 519 warnx("missing vmid argument"); 520 return (-1); 521 } 522 if (*word == '-') { 523 /* don't print a warning to allow command line options */ 524 return (-1); 525 } 526 id = strtonum(word, 0, UINT32_MAX, &error); 527 if (error == NULL) { 528 if (needname) { 529 warnx("invalid vm name"); 530 return (-1); 531 } else { 532 res->id = id; 533 res->name = NULL; 534 } 535 } else { 536 if (strlen(word) >= VMM_MAX_NAME_LEN) { 537 warnx("name too long"); 538 return (-1); 539 } 540 res->id = 0; 541 if ((res->name = strdup(word)) == NULL) 542 errx(1, "strdup"); 543 } 544 545 return (0); 546 } 547 548 int 549 parse_instance(struct parse_result *res, char *word) 550 { 551 if (strlen(word) >= VMM_MAX_NAME_LEN) { 552 warnx("instance vm name too long"); 553 return (-1); 554 } 555 res->id = 0; 556 if ((res->instance = strdup(word)) == NULL) 557 errx(1, "strdup"); 558 559 return (0); 560 } 561 562 int 563 ctl_create(struct parse_result *res, int argc, char *argv[]) 564 { 565 int ch, ret, type; 566 const char *disk, *format, *base = NULL, *input = NULL; 567 568 while ((ch = getopt(argc, argv, "b:i:s:")) != -1) { 569 switch (ch) { 570 case 'b': 571 base = optarg; 572 break; 573 case 'i': 574 input = optarg; 575 break; 576 case 's': 577 if (parse_size(res, optarg) != 0) 578 errx(1, "invalid size: %s", optarg); 579 break; 580 default: 581 ctl_usage(res->ctl); 582 /* NOTREACHED */ 583 } 584 } 585 argc -= optind; 586 argv += optind; 587 588 if (argc < 1) 589 ctl_usage(res->ctl); 590 591 type = parse_disktype(argv[0], &disk); 592 593 if (pledge("stdio rpath wpath cpath", NULL) == -1) 594 err(1, "pledge"); 595 596 if (input) { 597 if (base && input) 598 errx(1, "conflicting -b and -i arguments"); 599 return ctl_convert(input, disk, type, res->size); 600 } 601 602 if (base && type != VMDF_QCOW2) 603 errx(1, "base images require qcow2 disk format"); 604 if (res->size == 0 && !base) { 605 fprintf(stderr, "could not create %s: missing size argument\n", 606 disk); 607 ctl_usage(res->ctl); 608 } 609 610 if ((ret = create_imagefile(type, disk, base, res->size, &format)) != 0) { 611 errno = ret; 612 err(1, "create imagefile operation failed"); 613 } else 614 warnx("%s imagefile created", format); 615 616 return (0); 617 } 618 619 int 620 ctl_convert(const char *srcfile, const char *dstfile, int dsttype, size_t dstsize) 621 { 622 struct { 623 int fd; 624 int type; 625 struct virtio_backing file; 626 const char *disk; 627 off_t size; 628 } src, dst; 629 int ret; 630 const char *format, *errstr = NULL; 631 uint8_t *buf = NULL, *zerobuf = NULL; 632 size_t buflen; 633 ssize_t len, rlen; 634 off_t off; 635 636 memset(&src, 0, sizeof(src)); 637 memset(&dst, 0, sizeof(dst)); 638 639 src.type = parse_disktype(srcfile, &src.disk); 640 dst.type = dsttype; 641 dst.disk = dstfile; 642 643 if ((src.fd = open_imagefile(src.type, src.disk, O_RDONLY, 644 &src.file, &src.size)) == -1) { 645 errstr = "failed to open source image file"; 646 goto done; 647 } 648 649 if (dstsize == 0) 650 dstsize = src.size; 651 else 652 dstsize *= 1048576; 653 if (dstsize < (size_t)src.size) { 654 errstr = "size cannot be smaller than input disk size"; 655 goto done; 656 } 657 658 /* align to megabytes */ 659 dst.size = ALIGNSZ(dstsize, 1048576); 660 661 if ((ret = create_imagefile(dst.type, dst.disk, NULL, 662 dst.size / 1048576, &format)) != 0) { 663 errno = ret; 664 errstr = "failed to create destination image file"; 665 goto done; 666 } 667 668 if ((dst.fd = open_imagefile(dst.type, dst.disk, O_RDWR, 669 &dst.file, &dst.size)) == -1) { 670 errstr = "failed to open destination image file"; 671 goto done; 672 } 673 674 if (pledge("stdio", NULL) == -1) 675 err(1, "pledge"); 676 677 /* 678 * Use 64k buffers by default. This could also be adjusted to 679 * the backend cluster size. 680 */ 681 buflen = 1 << 16; 682 if ((buf = calloc(1, buflen)) == NULL || 683 (zerobuf = calloc(1, buflen)) == NULL) { 684 errstr = "failed to allocated buffers"; 685 goto done; 686 } 687 688 for (off = 0; off < dst.size; off += len) { 689 /* Read input from the source image */ 690 if (off < src.size) { 691 len = MIN((off_t)buflen, src.size - off); 692 if ((rlen = src.file.pread(src.file.p, 693 buf, (size_t)len, off)) != len) { 694 errno = EIO; 695 errstr = "failed to read from source"; 696 goto done; 697 } 698 } else 699 len = 0; 700 701 /* and pad the remaining bytes */ 702 if (len < (ssize_t)buflen) { 703 log_debug("%s: padding %zd zero bytes at offset %lld", 704 format, buflen - len, off + len); 705 memset(buf + len, 0, buflen - len); 706 len = buflen; 707 } 708 709 /* 710 * No need to copy empty buffers. This allows the backend, 711 * sparse files or QCOW2 images, to save space in the 712 * destination file. 713 */ 714 if (memcmp(buf, zerobuf, buflen) == 0) 715 continue; 716 717 log_debug("%s: writing %zd of %lld bytes at offset %lld", 718 format, len, dst.size, off); 719 720 if ((rlen = dst.file.pwrite(dst.file.p, 721 buf, (size_t)len, off)) != len) { 722 errno = EIO; 723 errstr = "failed to write to destination"; 724 goto done; 725 } 726 } 727 728 if (dstsize < (size_t)dst.size) 729 warnx("destination size rounded to %lld megabytes", 730 dst.size / 1048576); 731 732 done: 733 free(buf); 734 free(zerobuf); 735 if (src.file.p != NULL) 736 src.file.close(src.file.p, 0); 737 if (dst.file.p != NULL) 738 dst.file.close(dst.file.p, 0); 739 if (errstr != NULL) 740 errx(1, "%s", errstr); 741 else 742 warnx("%s imagefile created", format); 743 744 return (0); 745 } 746 747 int 748 ctl_status(struct parse_result *res, int argc, char *argv[]) 749 { 750 if (argc == 2) { 751 if (parse_vmid(res, argv[1], 0) == -1) 752 errx(1, "invalid id: %s", argv[1]); 753 } else if (argc > 2) 754 ctl_usage(res->ctl); 755 756 return (vmmaction(res)); 757 } 758 759 int 760 ctl_load(struct parse_result *res, int argc, char *argv[]) 761 { 762 if (argc != 2) 763 ctl_usage(res->ctl); 764 765 if ((res->path = strdup(argv[1])) == NULL) 766 err(1, "strdup"); 767 768 return (vmmaction(res)); 769 } 770 771 int 772 ctl_log(struct parse_result *res, int argc, char *argv[]) 773 { 774 if (argc != 2) 775 ctl_usage(res->ctl); 776 777 if (strncasecmp("brief", argv[1], strlen(argv[1])) == 0) 778 res->verbose = 0; 779 else if (strncasecmp("verbose", argv[1], strlen(argv[1])) == 0) 780 res->verbose = 2; 781 else 782 ctl_usage(res->ctl); 783 784 return (vmmaction(res)); 785 } 786 787 int 788 ctl_reload(struct parse_result *res, int argc, char *argv[]) 789 { 790 if (argc != 1) 791 ctl_usage(res->ctl); 792 793 return (vmmaction(res)); 794 } 795 796 int 797 ctl_reset(struct parse_result *res, int argc, char *argv[]) 798 { 799 if (argc == 2) { 800 if (strcasecmp("all", argv[1]) == 0) 801 res->mode = CONFIG_ALL; 802 else if (strcasecmp("vms", argv[1]) == 0) 803 res->mode = CONFIG_VMS; 804 else if (strcasecmp("switches", argv[1]) == 0) 805 res->mode = CONFIG_SWITCHES; 806 else 807 ctl_usage(res->ctl); 808 } else if (argc > 2) 809 ctl_usage(res->ctl); 810 811 if (res->mode == 0) 812 res->mode = CONFIG_ALL; 813 814 return (vmmaction(res)); 815 } 816 817 int 818 ctl_start(struct parse_result *res, int argc, char *argv[]) 819 { 820 int ch, i, type; 821 char path[PATH_MAX]; 822 const char *s; 823 824 while ((ch = getopt(argc, argv, "b:B:cd:i:Lm:n:r:t:")) != -1) { 825 switch (ch) { 826 case 'b': 827 if (res->path) 828 errx(1, "boot image specified multiple times"); 829 if (realpath(optarg, path) == NULL) 830 err(1, "invalid boot image path"); 831 if ((res->path = strdup(path)) == NULL) 832 errx(1, "strdup"); 833 break; 834 case 'B': 835 if (res->bootdevice) 836 errx(1, "boot device specified multiple times"); 837 if (strcmp("disk", optarg) == 0) 838 res->bootdevice = VMBOOTDEV_DISK; 839 else if (strcmp("cdrom", optarg) == 0) 840 res->bootdevice = VMBOOTDEV_CDROM; 841 else if (strcmp("net", optarg) == 0) 842 res->bootdevice = VMBOOTDEV_NET; 843 else 844 errx(1, "unknown boot device %s", optarg); 845 break; 846 case 'r': 847 if (res->isopath) 848 errx(1, "iso image specified multiple times"); 849 if (realpath(optarg, path) == NULL) 850 err(1, "invalid iso image path"); 851 if ((res->isopath = strdup(path)) == NULL) 852 errx(1, "strdup"); 853 break; 854 case 'c': 855 tty_autoconnect = 1; 856 break; 857 case 'L': 858 if (parse_network(res, ".") != 0) 859 errx(1, "invalid network: %s", optarg); 860 break; 861 case 'm': 862 if (res->size) 863 errx(1, "memory specified multiple times"); 864 if (parse_size(res, optarg) != 0) 865 errx(1, "invalid memory size: %s", optarg); 866 break; 867 case 'n': 868 if (parse_network(res, optarg) != 0) 869 errx(1, "invalid network: %s", optarg); 870 break; 871 case 'd': 872 type = parse_disktype(optarg, &s); 873 if (realpath(s, path) == NULL) 874 err(1, "invalid disk path"); 875 if (parse_disk(res, path, type) != 0) 876 errx(1, "invalid disk: %s", optarg); 877 break; 878 case 'i': 879 if (res->nifs != -1) 880 errx(1, "interfaces specified multiple times"); 881 if (parse_ifs(res, optarg, 0) != 0) 882 errx(1, "invalid interface count: %s", optarg); 883 break; 884 case 't': 885 if (parse_instance(res, optarg) == -1) 886 errx(1, "invalid name: %s", optarg); 887 break; 888 default: 889 ctl_usage(res->ctl); 890 /* NOTREACHED */ 891 } 892 } 893 argc -= optind; 894 argv += optind; 895 896 if (argc != 1) 897 ctl_usage(res->ctl); 898 899 if (parse_vmid(res, argv[0], 0) == -1) 900 errx(1, "invalid id: %s", argv[0]); 901 902 for (i = res->nnets; i < res->nifs; i++) { 903 /* Add interface that is not attached to a switch */ 904 if (parse_network(res, "") == -1) 905 return (-1); 906 } 907 if (res->nnets > res->nifs) 908 res->nifs = res->nnets; 909 910 return (vmmaction(res)); 911 } 912 913 int 914 ctl_stop(struct parse_result *res, int argc, char *argv[]) 915 { 916 int ch; 917 918 while ((ch = getopt(argc, argv, "afw")) != -1) { 919 switch (ch) { 920 case 'f': 921 res->flags |= VMOP_FORCE; 922 break; 923 case 'w': 924 res->flags |= VMOP_WAIT; 925 break; 926 case 'a': 927 res->action = CMD_STOPALL; 928 break; 929 default: 930 ctl_usage(res->ctl); 931 /* NOTREACHED */ 932 } 933 } 934 argc -= optind; 935 argv += optind; 936 937 if (res->action == CMD_STOPALL) { 938 if (argc != 0) 939 ctl_usage(res->ctl); 940 } else { 941 if (argc != 1) 942 ctl_usage(res->ctl); 943 if (parse_vmid(res, argv[0], 0) == -1) 944 errx(1, "invalid id: %s", argv[0]); 945 } 946 947 return (vmmaction(res)); 948 } 949 950 int 951 ctl_console(struct parse_result *res, int argc, char *argv[]) 952 { 953 if (argc == 2) { 954 if (parse_vmid(res, argv[1], 0) == -1) 955 errx(1, "invalid id: %s", argv[1]); 956 } else if (argc != 2) 957 ctl_usage(res->ctl); 958 959 return (vmmaction(res)); 960 } 961 962 int 963 ctl_waitfor(struct parse_result *res, int argc, char *argv[]) 964 { 965 if (argc == 2) { 966 if (parse_vmid(res, argv[1], 0) == -1) 967 errx(1, "invalid id: %s", argv[1]); 968 } else if (argc != 2) 969 ctl_usage(res->ctl); 970 971 return (vmmaction(res)); 972 } 973 974 int 975 ctl_pause(struct parse_result *res, int argc, char *argv[]) 976 { 977 if (argc == 2) { 978 if (parse_vmid(res, argv[1], 0) == -1) 979 errx(1, "invalid id: %s", argv[1]); 980 } else if (argc != 2) 981 ctl_usage(res->ctl); 982 983 return (vmmaction(res)); 984 } 985 986 int 987 ctl_unpause(struct parse_result *res, int argc, char *argv[]) 988 { 989 if (argc == 2) { 990 if (parse_vmid(res, argv[1], 0) == -1) 991 errx(1, "invalid id: %s", argv[1]); 992 } else if (argc != 2) 993 ctl_usage(res->ctl); 994 995 return (vmmaction(res)); 996 } 997 998 int 999 ctl_send(struct parse_result *res, int argc, char *argv[]) 1000 { 1001 if (pledge("stdio unix sendfd unveil", NULL) == -1) 1002 err(1, "pledge"); 1003 if (argc == 2) { 1004 if (parse_vmid(res, argv[1], 0) == -1) 1005 errx(1, "invalid id: %s", argv[1]); 1006 } else if (argc != 2) 1007 ctl_usage(res->ctl); 1008 1009 return (vmmaction(res)); 1010 } 1011 1012 int 1013 ctl_receive(struct parse_result *res, int argc, char *argv[]) 1014 { 1015 if (pledge("stdio unix sendfd unveil", NULL) == -1) 1016 err(1, "pledge"); 1017 if (argc == 2) { 1018 if (parse_vmid(res, argv[1], 1) == -1) 1019 errx(1, "invalid id: %s", argv[1]); 1020 } else if (argc != 2) 1021 ctl_usage(res->ctl); 1022 1023 return (vmmaction(res)); 1024 } 1025 1026 __dead void 1027 ctl_openconsole(const char *name) 1028 { 1029 closefrom(STDERR_FILENO + 1); 1030 if (unveil(VMCTL_CU, "x") == -1) 1031 err(1, "unveil"); 1032 execl(VMCTL_CU, VMCTL_CU, "-r", "-l", name, "-s", "115200", 1033 (char *)NULL); 1034 err(1, "failed to open the console"); 1035 } 1036