geom_part.c revision 222819
1/*- 2 * Copyright (c) 2007, 2008 Marcel Moolenaar 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: head/sbin/geom/class/part/geom_part.c 222819 2011-06-07 11:11:11Z ae $"); 29 30#include <sys/stat.h> 31#include <sys/vtoc.h> 32 33#include <assert.h> 34#include <ctype.h> 35#include <err.h> 36#include <errno.h> 37#include <fcntl.h> 38#include <libgeom.h> 39#include <libutil.h> 40#include <paths.h> 41#include <signal.h> 42#include <stdint.h> 43#include <stdio.h> 44#include <stdlib.h> 45#include <limits.h> 46#include <inttypes.h> 47#include <string.h> 48#include <strings.h> 49#include <unistd.h> 50 51#include "core/geom.h" 52#include "misc/subr.h" 53 54#ifdef STATIC_GEOM_CLASSES 55#define PUBSYM(x) gpart_##x 56#else 57#define PUBSYM(x) x 58#endif 59 60uint32_t PUBSYM(lib_version) = G_LIB_VERSION; 61uint32_t PUBSYM(version) = 0; 62 63static char sstart[32]; 64static char ssize[32]; 65volatile sig_atomic_t undo_restore; 66 67#define GPART_AUTOFILL "*" 68#define GPART_FLAGS "C" 69 70#define GPART_PARAM_BOOTCODE "bootcode" 71#define GPART_PARAM_INDEX "index" 72#define GPART_PARAM_PARTCODE "partcode" 73 74static struct gclass *find_class(struct gmesh *, const char *); 75static struct ggeom * find_geom(struct gclass *, const char *); 76static const char *find_geomcfg(struct ggeom *, const char *); 77static const char *find_provcfg(struct gprovider *, const char *); 78static struct gprovider *find_provider(struct ggeom *, off_t); 79static const char *fmtsize(int64_t); 80static int gpart_autofill(struct gctl_req *); 81static int gpart_autofill_resize(struct gctl_req *); 82static void gpart_bootcode(struct gctl_req *, unsigned int); 83static void *gpart_bootfile_read(const char *, ssize_t *); 84static void gpart_issue(struct gctl_req *, unsigned int); 85static void gpart_show(struct gctl_req *, unsigned int); 86static void gpart_show_geom(struct ggeom *, const char *, int); 87static int gpart_show_hasopt(struct gctl_req *, const char *, const char *); 88static void gpart_write_partcode(struct ggeom *, int, void *, ssize_t); 89static void gpart_write_partcode_vtoc8(struct ggeom *, int, void *); 90static void gpart_print_error(const char *); 91static void gpart_backup(struct gctl_req *, unsigned int); 92static void gpart_restore(struct gctl_req *, unsigned int); 93 94struct g_command PUBSYM(class_commands)[] = { 95 { "add", 0, gpart_issue, { 96 { 'a', "alignment", GPART_AUTOFILL, G_TYPE_STRING }, 97 { 'b', "start", GPART_AUTOFILL, G_TYPE_STRING }, 98 { 's', "size", GPART_AUTOFILL, G_TYPE_STRING }, 99 { 't', "type", NULL, G_TYPE_STRING }, 100 { 'i', GPART_PARAM_INDEX, G_VAL_OPTIONAL, G_TYPE_NUMBER }, 101 { 'l', "label", G_VAL_OPTIONAL, G_TYPE_STRING }, 102 { 'f', "flags", GPART_FLAGS, G_TYPE_STRING }, 103 G_OPT_SENTINEL }, 104 "-t type [-a alignment] [-b start] [-s size] [-i index] " 105 "[-l label] [-f flags] geom" 106 }, 107 { "backup", 0, gpart_backup, G_NULL_OPTS, 108 "geom" 109 }, 110 { "bootcode", 0, gpart_bootcode, { 111 { 'b', GPART_PARAM_BOOTCODE, G_VAL_OPTIONAL, G_TYPE_STRING }, 112 { 'p', GPART_PARAM_PARTCODE, G_VAL_OPTIONAL, G_TYPE_STRING }, 113 { 'i', GPART_PARAM_INDEX, G_VAL_OPTIONAL, G_TYPE_NUMBER }, 114 { 'f', "flags", GPART_FLAGS, G_TYPE_STRING }, 115 G_OPT_SENTINEL }, 116 "[-b bootcode] [-p partcode -i index] [-f flags] geom" 117 }, 118 { "commit", 0, gpart_issue, G_NULL_OPTS, 119 "geom" 120 }, 121 { "create", 0, gpart_issue, { 122 { 's', "scheme", NULL, G_TYPE_STRING }, 123 { 'n', "entries", G_VAL_OPTIONAL, G_TYPE_NUMBER }, 124 { 'f', "flags", GPART_FLAGS, G_TYPE_STRING }, 125 G_OPT_SENTINEL }, 126 "-s scheme [-n entries] [-f flags] provider" 127 }, 128 { "delete", 0, gpart_issue, { 129 { 'i', GPART_PARAM_INDEX, NULL, G_TYPE_NUMBER }, 130 { 'f', "flags", GPART_FLAGS, G_TYPE_STRING }, 131 G_OPT_SENTINEL }, 132 "-i index [-f flags] geom" 133 }, 134 { "destroy", 0, gpart_issue, { 135 { 'F', "force", NULL, G_TYPE_BOOL }, 136 { 'f', "flags", GPART_FLAGS, G_TYPE_STRING }, 137 G_OPT_SENTINEL }, 138 "[-F] [-f flags] geom" 139 }, 140 { "modify", 0, gpart_issue, { 141 { 'i', GPART_PARAM_INDEX, NULL, G_TYPE_NUMBER }, 142 { 'l', "label", G_VAL_OPTIONAL, G_TYPE_STRING }, 143 { 't', "type", G_VAL_OPTIONAL, G_TYPE_STRING }, 144 { 'f', "flags", GPART_FLAGS, G_TYPE_STRING }, 145 G_OPT_SENTINEL }, 146 "-i index [-l label] [-t type] [-f flags] geom" 147 }, 148 { "set", 0, gpart_issue, { 149 { 'a', "attrib", NULL, G_TYPE_STRING }, 150 { 'i', GPART_PARAM_INDEX, NULL, G_TYPE_NUMBER }, 151 { 'f', "flags", GPART_FLAGS, G_TYPE_STRING }, 152 G_OPT_SENTINEL }, 153 "-a attrib -i index [-f flags] geom" 154 }, 155 { "show", 0, gpart_show, { 156 { 'l', "show_label", NULL, G_TYPE_BOOL }, 157 { 'r', "show_rawtype", NULL, G_TYPE_BOOL }, 158 { 'p', "show_providers", NULL, G_TYPE_BOOL }, 159 G_OPT_SENTINEL }, 160 "[-l | -r] [-p] [geom ...]" 161 }, 162 { "undo", 0, gpart_issue, G_NULL_OPTS, 163 "geom" 164 }, 165 { "unset", 0, gpart_issue, { 166 { 'a', "attrib", NULL, G_TYPE_STRING }, 167 { 'i', GPART_PARAM_INDEX, NULL, G_TYPE_NUMBER }, 168 { 'f', "flags", GPART_FLAGS, G_TYPE_STRING }, 169 G_OPT_SENTINEL }, 170 "-a attrib -i index [-f flags] geom" 171 }, 172 { "resize", 0, gpart_issue, { 173 { 'a', "alignment", GPART_AUTOFILL, G_TYPE_STRING }, 174 { 's', "size", GPART_AUTOFILL, G_TYPE_STRING }, 175 { 'i', GPART_PARAM_INDEX, NULL, G_TYPE_NUMBER }, 176 { 'f', "flags", GPART_FLAGS, G_TYPE_STRING }, 177 G_OPT_SENTINEL }, 178 "-i index [-a alignment] [-s size] [-f flags] geom" 179 }, 180 { "restore", 0, gpart_restore, { 181 { 'F', "force", NULL, G_TYPE_BOOL }, 182 { 'l', "restore_labels", NULL, G_TYPE_BOOL }, 183 { 'f', "flags", GPART_FLAGS, G_TYPE_STRING }, 184 G_OPT_SENTINEL }, 185 "[-lF] [-f flags] provider [...]" 186 }, 187 { "recover", 0, gpart_issue, { 188 { 'f', "flags", GPART_FLAGS, G_TYPE_STRING }, 189 G_OPT_SENTINEL }, 190 "[-f flags] geom" 191 }, 192 G_CMD_SENTINEL 193}; 194 195static struct gclass * 196find_class(struct gmesh *mesh, const char *name) 197{ 198 struct gclass *classp; 199 200 LIST_FOREACH(classp, &mesh->lg_class, lg_class) { 201 if (strcmp(classp->lg_name, name) == 0) 202 return (classp); 203 } 204 return (NULL); 205} 206 207static struct ggeom * 208find_geom(struct gclass *classp, const char *name) 209{ 210 struct ggeom *gp; 211 212 if (strncmp(name, _PATH_DEV, sizeof(_PATH_DEV) - 1) == 0) 213 name += sizeof(_PATH_DEV) - 1; 214 LIST_FOREACH(gp, &classp->lg_geom, lg_geom) { 215 if (strcmp(gp->lg_name, name) == 0) 216 return (gp); 217 } 218 return (NULL); 219} 220 221static const char * 222find_geomcfg(struct ggeom *gp, const char *cfg) 223{ 224 struct gconfig *gc; 225 226 LIST_FOREACH(gc, &gp->lg_config, lg_config) { 227 if (!strcmp(gc->lg_name, cfg)) 228 return (gc->lg_val); 229 } 230 return (NULL); 231} 232 233static const char * 234find_provcfg(struct gprovider *pp, const char *cfg) 235{ 236 struct gconfig *gc; 237 238 LIST_FOREACH(gc, &pp->lg_config, lg_config) { 239 if (!strcmp(gc->lg_name, cfg)) 240 return (gc->lg_val); 241 } 242 return (NULL); 243} 244 245static struct gprovider * 246find_provider(struct ggeom *gp, off_t minsector) 247{ 248 struct gprovider *pp, *bestpp; 249 const char *s; 250 off_t sector, bestsector; 251 252 bestpp = NULL; 253 bestsector = 0; 254 LIST_FOREACH(pp, &gp->lg_provider, lg_provider) { 255 s = find_provcfg(pp, "start"); 256 sector = (off_t)strtoimax(s, NULL, 0); 257 if (sector < minsector) 258 continue; 259 if (bestpp != NULL && sector >= bestsector) 260 continue; 261 262 bestpp = pp; 263 bestsector = sector; 264 } 265 return (bestpp); 266} 267 268static const char * 269fmtsize(int64_t rawsz) 270{ 271 static char buf[5]; 272 273 humanize_number(buf, sizeof(buf), rawsz, "", HN_AUTOSCALE, 274 HN_B | HN_NOSPACE | HN_DECIMAL); 275 return (buf); 276} 277 278static const char * 279fmtattrib(struct gprovider *pp) 280{ 281 static char buf[128]; 282 struct gconfig *gc; 283 u_int idx; 284 285 buf[0] = '\0'; 286 idx = 0; 287 LIST_FOREACH(gc, &pp->lg_config, lg_config) { 288 if (strcmp(gc->lg_name, "attrib") != 0) 289 continue; 290 idx += snprintf(buf + idx, sizeof(buf) - idx, "%s%s", 291 (idx == 0) ? " [" : ",", gc->lg_val); 292 } 293 if (idx > 0) 294 snprintf(buf + idx, sizeof(buf) - idx, "] "); 295 return (buf); 296} 297 298#define ALIGNDOWN(d, a) ((d) - (d) % (a)) 299#define ALIGNUP(d, a) ((d) % (a) ? (d) - (d) % (a) + (a): (d)) 300 301static int 302gpart_autofill_resize(struct gctl_req *req) 303{ 304 struct gmesh mesh; 305 struct gclass *cp; 306 struct ggeom *gp; 307 struct gprovider *pp; 308 off_t last, size, start, new_size; 309 off_t lba, new_lba, alignment, offset; 310 const char *s; 311 int error, idx; 312 313 idx = (int)gctl_get_intmax(req, GPART_PARAM_INDEX); 314 if (idx < 1) 315 errx(EXIT_FAILURE, "invalid partition index"); 316 317 error = geom_gettree(&mesh); 318 if (error) 319 return (error); 320 s = gctl_get_ascii(req, "class"); 321 if (s == NULL) 322 abort(); 323 cp = find_class(&mesh, s); 324 if (cp == NULL) 325 errx(EXIT_FAILURE, "Class %s not found.", s); 326 s = gctl_get_ascii(req, "arg0"); 327 if (s == NULL) 328 abort(); 329 gp = find_geom(cp, s); 330 if (gp == NULL) 331 errx(EXIT_FAILURE, "No such geom: %s.", s); 332 pp = LIST_FIRST(&gp->lg_consumer)->lg_provider; 333 if (pp == NULL) 334 errx(EXIT_FAILURE, "Provider for geom %s not found.", s); 335 336 s = gctl_get_ascii(req, "alignment"); 337 alignment = 1; 338 if (*s != '*') { 339 error = g_parse_lba(s, pp->lg_sectorsize, &alignment); 340 if (error) 341 errc(EXIT_FAILURE, error, "Invalid alignment param"); 342 if (alignment == 0) 343 errx(EXIT_FAILURE, "Invalid alignment param"); 344 } else { 345 lba = pp->lg_stripesize / pp->lg_sectorsize; 346 if (lba > 0) 347 alignment = lba; 348 } 349 error = gctl_delete_param(req, "alignment"); 350 if (error) 351 errc(EXIT_FAILURE, error, "internal error"); 352 353 s = gctl_get_ascii(req, "size"); 354 if (*s == '*') 355 new_size = 0; 356 else { 357 error = g_parse_lba(s, pp->lg_sectorsize, &new_size); 358 if (error) 359 errc(EXIT_FAILURE, error, "Invalid size param"); 360 /* no autofill necessary. */ 361 if (alignment == 1) 362 goto done; 363 } 364 365 offset = pp->lg_stripeoffset / pp->lg_sectorsize; 366 last = (off_t)strtoimax(find_geomcfg(gp, "last"), NULL, 0); 367 LIST_FOREACH(pp, &gp->lg_provider, lg_provider) { 368 s = find_provcfg(pp, "index"); 369 if (s == NULL) 370 continue; 371 if (atoi(s) == idx) 372 break; 373 } 374 if (pp == NULL) 375 errx(EXIT_FAILURE, "invalid partition index"); 376 377 s = find_provcfg(pp, "start"); 378 start = (off_t)strtoimax(s, NULL, 0); 379 s = find_provcfg(pp, "end"); 380 lba = (off_t)strtoimax(s, NULL, 0); 381 size = lba - start + 1; 382 383 if (new_size > 0 && new_size <= size) { 384 /* The start offset may be not aligned, so we align the end 385 * offset and then calculate the size. 386 */ 387 new_size = ALIGNDOWN(start + offset + new_size, 388 alignment) - start - offset; 389 goto done; 390 } 391 392 pp = find_provider(gp, lba + 1); 393 if (pp == NULL) { 394 new_size = ALIGNDOWN(last + offset + 1, alignment) - 395 start - offset; 396 if (new_size < size) 397 return (ENOSPC); 398 } else { 399 s = find_provcfg(pp, "start"); 400 new_lba = (off_t)strtoimax(s, NULL, 0); 401 /* 402 * Is there any free space between current and 403 * next providers? 404 */ 405 new_lba = ALIGNDOWN(new_lba + offset, alignment) - offset; 406 if (new_lba > lba) 407 new_size = new_lba - start; 408 else { 409 geom_deletetree(&mesh); 410 return (ENOSPC); 411 } 412 } 413done: 414 snprintf(ssize, sizeof(ssize), "%jd", (intmax_t)new_size); 415 gctl_change_param(req, "size", -1, ssize); 416 geom_deletetree(&mesh); 417 return (0); 418} 419 420static int 421gpart_autofill(struct gctl_req *req) 422{ 423 struct gmesh mesh; 424 struct gclass *cp; 425 struct ggeom *gp; 426 struct gprovider *pp; 427 off_t first, last, a_first; 428 off_t size, start, a_lba; 429 off_t lba, len, alignment, offset; 430 uintmax_t grade; 431 const char *s; 432 int error, has_size, has_start, has_alignment; 433 434 s = gctl_get_ascii(req, "verb"); 435 if (strcmp(s, "resize") == 0) 436 return gpart_autofill_resize(req); 437 if (strcmp(s, "add") != 0) 438 return (0); 439 440 error = geom_gettree(&mesh); 441 if (error) 442 return (error); 443 s = gctl_get_ascii(req, "class"); 444 if (s == NULL) 445 abort(); 446 cp = find_class(&mesh, s); 447 if (cp == NULL) 448 errx(EXIT_FAILURE, "Class %s not found.", s); 449 s = gctl_get_ascii(req, "arg0"); 450 if (s == NULL) 451 abort(); 452 gp = find_geom(cp, s); 453 if (gp == NULL) 454 errx(EXIT_FAILURE, "No such geom: %s.", s); 455 pp = LIST_FIRST(&gp->lg_consumer)->lg_provider; 456 if (pp == NULL) 457 errx(EXIT_FAILURE, "Provider for geom %s not found.", s); 458 459 s = gctl_get_ascii(req, "alignment"); 460 has_alignment = (*s == '*') ? 0 : 1; 461 alignment = 1; 462 if (has_alignment) { 463 error = g_parse_lba(s, pp->lg_sectorsize, &alignment); 464 if (error) 465 errc(EXIT_FAILURE, error, "Invalid alignment param"); 466 if (alignment == 0) 467 errx(EXIT_FAILURE, "Invalid alignment param"); 468 } 469 error = gctl_delete_param(req, "alignment"); 470 if (error) 471 errc(EXIT_FAILURE, error, "internal error"); 472 473 s = gctl_get_ascii(req, "size"); 474 has_size = (*s == '*') ? 0 : 1; 475 size = 0; 476 if (has_size) { 477 error = g_parse_lba(s, pp->lg_sectorsize, &size); 478 if (error) 479 errc(EXIT_FAILURE, error, "Invalid size param"); 480 } 481 482 s = gctl_get_ascii(req, "start"); 483 has_start = (*s == '*') ? 0 : 1; 484 start = 0ULL; 485 if (has_start) { 486 error = g_parse_lba(s, pp->lg_sectorsize, &start); 487 if (error) 488 errc(EXIT_FAILURE, error, "Invalid start param"); 489 } 490 491 /* No autofill necessary. */ 492 if (has_size && has_start && !has_alignment) 493 goto done; 494 495 len = pp->lg_stripesize / pp->lg_sectorsize; 496 if (len > 0 && !has_alignment) 497 alignment = len; 498 499 /* Adjust parameters to stripeoffset */ 500 offset = pp->lg_stripeoffset / pp->lg_sectorsize; 501 start = ALIGNUP(start + offset, alignment); 502 if (size + offset > alignment) 503 size = ALIGNDOWN(size + offset, alignment); 504 505 first = (off_t)strtoimax(find_geomcfg(gp, "first"), NULL, 0); 506 last = (off_t)strtoimax(find_geomcfg(gp, "last"), NULL, 0); 507 grade = ~0ULL; 508 a_first = ALIGNUP(first + offset, alignment); 509 last = ALIGNDOWN(last + offset, alignment); 510 while ((pp = find_provider(gp, first)) != NULL) { 511 s = find_provcfg(pp, "start"); 512 lba = (off_t)strtoimax(s, NULL, 0); 513 a_lba = ALIGNDOWN(lba + offset, alignment); 514 if (first < a_lba && a_first < a_lba) { 515 /* Free space [first, lba> */ 516 len = a_lba - a_first; 517 if (has_size) { 518 if (len >= size && 519 (uintmax_t)(len - size) < grade) { 520 start = a_first; 521 grade = len - size; 522 } 523 } else if (has_start) { 524 if (start >= a_first && start < a_lba) { 525 size = a_lba - start; 526 grade = start - a_first; 527 } 528 } else { 529 if (grade == ~0ULL || len > size) { 530 start = a_first; 531 size = len; 532 grade = 0; 533 } 534 } 535 } 536 537 s = find_provcfg(pp, "end"); 538 first = (off_t)strtoimax(s, NULL, 0) + 1; 539 a_first = ALIGNUP(first + offset, alignment); 540 } 541 if (a_first <= last) { 542 /* Free space [first-last] */ 543 len = ALIGNDOWN(last - a_first + 1, alignment); 544 if (has_size) { 545 if (len >= size && 546 (uintmax_t)(len - size) < grade) { 547 start = a_first; 548 grade = len - size; 549 } 550 } else if (has_start) { 551 if (start >= a_first && start <= last) { 552 size = ALIGNDOWN(last - start + 1, alignment); 553 grade = start - a_first; 554 } 555 } else { 556 if (grade == ~0ULL || len > size) { 557 start = a_first; 558 size = len; 559 grade = 0; 560 } 561 } 562 } 563 if (grade == ~0ULL) { 564 geom_deletetree(&mesh); 565 return (ENOSPC); 566 } 567 start -= offset; /* Return back to real offset */ 568done: 569 snprintf(ssize, sizeof(ssize), "%jd", (intmax_t)size); 570 gctl_change_param(req, "size", -1, ssize); 571 snprintf(sstart, sizeof(sstart), "%jd", (intmax_t)start); 572 gctl_change_param(req, "start", -1, sstart); 573 geom_deletetree(&mesh); 574 return (0); 575} 576 577static void 578gpart_show_geom(struct ggeom *gp, const char *element, int show_providers) 579{ 580 struct gprovider *pp; 581 const char *s, *scheme; 582 off_t first, last, sector, end; 583 off_t length, secsz; 584 int idx, wblocks, wname, wmax; 585 586 scheme = find_geomcfg(gp, "scheme"); 587 s = find_geomcfg(gp, "first"); 588 first = (off_t)strtoimax(s, NULL, 0); 589 s = find_geomcfg(gp, "last"); 590 last = (off_t)strtoimax(s, NULL, 0); 591 wblocks = strlen(s); 592 s = find_geomcfg(gp, "state"); 593 if (s != NULL && *s != 'C') 594 s = NULL; 595 wmax = strlen(gp->lg_name); 596 if (show_providers) { 597 LIST_FOREACH(pp, &gp->lg_provider, lg_provider) { 598 wname = strlen(pp->lg_name); 599 if (wname > wmax) 600 wmax = wname; 601 } 602 } 603 wname = wmax; 604 pp = LIST_FIRST(&gp->lg_consumer)->lg_provider; 605 secsz = pp->lg_sectorsize; 606 printf("=>%*jd %*jd %*s %s (%s)%s\n", 607 wblocks, (intmax_t)first, wblocks, (intmax_t)(last - first + 1), 608 wname, gp->lg_name, 609 scheme, fmtsize(pp->lg_mediasize), 610 s ? " [CORRUPT]": ""); 611 612 while ((pp = find_provider(gp, first)) != NULL) { 613 s = find_provcfg(pp, "start"); 614 sector = (off_t)strtoimax(s, NULL, 0); 615 616 s = find_provcfg(pp, "end"); 617 end = (off_t)strtoimax(s, NULL, 0); 618 length = end - sector + 1; 619 620 s = find_provcfg(pp, "index"); 621 idx = atoi(s); 622 if (first < sector) { 623 printf(" %*jd %*jd %*s - free - (%s)\n", 624 wblocks, (intmax_t)first, wblocks, 625 (intmax_t)(sector - first), wname, "", 626 fmtsize((sector - first) * secsz)); 627 } 628 if (show_providers) { 629 printf(" %*jd %*jd %*s %s %s (%s)\n", 630 wblocks, (intmax_t)sector, wblocks, 631 (intmax_t)length, wname, pp->lg_name, 632 find_provcfg(pp, element), fmtattrib(pp), 633 fmtsize(pp->lg_mediasize)); 634 } else 635 printf(" %*jd %*jd %*d %s %s (%s)\n", 636 wblocks, (intmax_t)sector, wblocks, 637 (intmax_t)length, wname, idx, 638 find_provcfg(pp, element), fmtattrib(pp), 639 fmtsize(pp->lg_mediasize)); 640 first = end + 1; 641 } 642 if (first <= last) { 643 length = last - first + 1; 644 printf(" %*jd %*jd %*s - free - (%s)\n", 645 wblocks, (intmax_t)first, wblocks, (intmax_t)length, 646 wname, "", 647 fmtsize(length * secsz)); 648 } 649 printf("\n"); 650} 651 652static int 653gpart_show_hasopt(struct gctl_req *req, const char *opt, const char *elt) 654{ 655 656 if (!gctl_get_int(req, "%s", opt)) 657 return (0); 658 659 if (elt != NULL) 660 errx(EXIT_FAILURE, "-l and -r are mutually exclusive"); 661 662 return (1); 663} 664 665static void 666gpart_show(struct gctl_req *req, unsigned int fl __unused) 667{ 668 struct gmesh mesh; 669 struct gclass *classp; 670 struct ggeom *gp; 671 const char *element, *name; 672 int error, i, nargs, show_providers; 673 674 element = NULL; 675 if (gpart_show_hasopt(req, "show_label", element)) 676 element = "label"; 677 if (gpart_show_hasopt(req, "show_rawtype", element)) 678 element = "rawtype"; 679 if (element == NULL) 680 element = "type"; 681 682 name = gctl_get_ascii(req, "class"); 683 if (name == NULL) 684 abort(); 685 error = geom_gettree(&mesh); 686 if (error != 0) 687 errc(EXIT_FAILURE, error, "Cannot get GEOM tree"); 688 classp = find_class(&mesh, name); 689 if (classp == NULL) { 690 geom_deletetree(&mesh); 691 errx(EXIT_FAILURE, "Class %s not found.", name); 692 } 693 show_providers = gctl_get_int(req, "show_providers"); 694 nargs = gctl_get_int(req, "nargs"); 695 if (nargs > 0) { 696 for (i = 0; i < nargs; i++) { 697 name = gctl_get_ascii(req, "arg%d", i); 698 gp = find_geom(classp, name); 699 if (gp != NULL) 700 gpart_show_geom(gp, element, show_providers); 701 else 702 errx(EXIT_FAILURE, "No such geom: %s.", name); 703 } 704 } else { 705 LIST_FOREACH(gp, &classp->lg_geom, lg_geom) { 706 gpart_show_geom(gp, element, show_providers); 707 } 708 } 709 geom_deletetree(&mesh); 710} 711 712static void 713gpart_backup(struct gctl_req *req, unsigned int fl __unused) 714{ 715 struct gmesh mesh; 716 struct gclass *classp; 717 struct gprovider *pp; 718 struct ggeom *gp; 719 const char *s, *scheme; 720 off_t sector, end; 721 off_t length, secsz; 722 int error, i, windex, wblocks, wtype; 723 724 if (gctl_get_int(req, "nargs") != 1) 725 errx(EXIT_FAILURE, "Invalid number of arguments."); 726 error = geom_gettree(&mesh); 727 if (error != 0) 728 errc(EXIT_FAILURE, error, "Cannot get GEOM tree"); 729 s = gctl_get_ascii(req, "class"); 730 if (s == NULL) 731 abort(); 732 classp = find_class(&mesh, s); 733 if (classp == NULL) { 734 geom_deletetree(&mesh); 735 errx(EXIT_FAILURE, "Class %s not found.", s); 736 } 737 s = gctl_get_ascii(req, "arg0"); 738 if (s == NULL) 739 abort(); 740 gp = find_geom(classp, s); 741 if (gp == NULL) 742 errx(EXIT_FAILURE, "No such geom: %s.", s); 743 scheme = find_geomcfg(gp, "scheme"); 744 if (scheme == NULL) 745 abort(); 746 pp = LIST_FIRST(&gp->lg_consumer)->lg_provider; 747 secsz = pp->lg_sectorsize; 748 s = find_geomcfg(gp, "last"); 749 wblocks = strlen(s); 750 wtype = 0; 751 LIST_FOREACH(pp, &gp->lg_provider, lg_provider) { 752 s = find_provcfg(pp, "type"); 753 i = strlen(s); 754 if (i > wtype) 755 wtype = i; 756 } 757 s = find_geomcfg(gp, "entries"); 758 windex = strlen(s); 759 printf("%s %s\n", scheme, s); 760 LIST_FOREACH(pp, &gp->lg_provider, lg_provider) { 761 s = find_provcfg(pp, "start"); 762 sector = (off_t)strtoimax(s, NULL, 0); 763 764 s = find_provcfg(pp, "end"); 765 end = (off_t)strtoimax(s, NULL, 0); 766 length = end - sector + 1; 767 768 s = find_provcfg(pp, "label"); 769 printf("%-*s %*s %*jd %*jd %s %s\n", 770 windex, find_provcfg(pp, "index"), 771 wtype, find_provcfg(pp, "type"), 772 wblocks, (intmax_t)sector, 773 wblocks, (intmax_t)length, 774 (s != NULL) ? s: "", fmtattrib(pp)); 775 } 776 geom_deletetree(&mesh); 777} 778 779static int 780skip_line(const char *p) 781{ 782 783 while (*p != '\0') { 784 if (*p == '#') 785 return (1); 786 if (isspace(*p) == 0) 787 return (0); 788 p++; 789 } 790 return (1); 791} 792 793static void 794gpart_sighndl(int sig __unused) 795{ 796 undo_restore = 1; 797} 798 799static void 800gpart_restore(struct gctl_req *req, unsigned int fl __unused) 801{ 802 struct gmesh mesh; 803 struct gclass *classp; 804 struct gctl_req *r; 805 struct ggeom *gp; 806 struct sigaction si_sa; 807 const char *s, *flags, *errstr, *label; 808 char **ap, *argv[6], line[BUFSIZ], *pline; 809 int error, forced, i, l, nargs, created, rl; 810 intmax_t n; 811 812 nargs = gctl_get_int(req, "nargs"); 813 if (nargs < 1) 814 errx(EXIT_FAILURE, "Invalid number of arguments."); 815 816 forced = gctl_get_int(req, "force"); 817 flags = gctl_get_ascii(req, "flags"); 818 rl = gctl_get_int(req, "restore_labels"); 819 s = gctl_get_ascii(req, "class"); 820 if (s == NULL) 821 abort(); 822 error = geom_gettree(&mesh); 823 if (error != 0) 824 errc(EXIT_FAILURE, error, "Cannot get GEOM tree"); 825 classp = find_class(&mesh, s); 826 if (classp == NULL) { 827 geom_deletetree(&mesh); 828 errx(EXIT_FAILURE, "Class %s not found.", s); 829 } 830 831 sigemptyset(&si_sa.sa_mask); 832 si_sa.sa_flags = 0; 833 si_sa.sa_handler = gpart_sighndl; 834 if (sigaction(SIGINT, &si_sa, 0) == -1) 835 err(EXIT_FAILURE, "sigaction SIGINT"); 836 837 if (forced) { 838 /* destroy existent partition table before restore */ 839 for (i = 0; i < nargs; i++) { 840 s = gctl_get_ascii(req, "arg%d", i); 841 gp = find_geom(classp, s); 842 if (gp != NULL) { 843 r = gctl_get_handle(); 844 gctl_ro_param(r, "class", -1, 845 classp->lg_name); 846 gctl_ro_param(r, "verb", -1, "destroy"); 847 gctl_ro_param(r, "flags", -1, "restore"); 848 gctl_ro_param(r, "force", sizeof(forced), 849 &forced); 850 gctl_ro_param(r, "arg0", -1, s); 851 errstr = gctl_issue(r); 852 if (errstr != NULL && errstr[0] != '\0') { 853 gpart_print_error(errstr); 854 gctl_free(r); 855 goto backout; 856 } 857 gctl_free(r); 858 } 859 } 860 } 861 created = 0; 862 while (undo_restore == 0 && 863 fgets(line, sizeof(line) - 1, stdin) != NULL) { 864 /* Format of backup entries: 865 * <scheme name> <number of entries> 866 * <index> <type> <start> <size> [label] ['['attrib[,attrib]']'] 867 */ 868 pline = (char *)line; 869 pline[strlen(line) - 1] = 0; 870 if (skip_line(pline)) 871 continue; 872 for (ap = argv; 873 (*ap = strsep(&pline, " \t")) != NULL;) 874 if (**ap != '\0' && ++ap >= &argv[6]) 875 break; 876 l = ap - &argv[0]; 877 label = pline = NULL; 878 if (l == 1 || l == 2) { /* create table */ 879 if (created) 880 errx(EXIT_FAILURE, "Incorrect backup format."); 881 if (l == 2) 882 n = strtoimax(argv[1], NULL, 0); 883 for (i = 0; i < nargs; i++) { 884 s = gctl_get_ascii(req, "arg%d", i); 885 r = gctl_get_handle(); 886 gctl_ro_param(r, "class", -1, 887 classp->lg_name); 888 gctl_ro_param(r, "verb", -1, "create"); 889 gctl_ro_param(r, "scheme", -1, argv[0]); 890 if (l == 2) 891 gctl_ro_param(r, "entries", 892 sizeof(n), &n); 893 gctl_ro_param(r, "flags", -1, "restore"); 894 gctl_ro_param(r, "arg0", -1, s); 895 errstr = gctl_issue(r); 896 if (errstr != NULL && errstr[0] != '\0') { 897 gpart_print_error(errstr); 898 gctl_free(r); 899 goto backout; 900 } 901 gctl_free(r); 902 } 903 created = 1; 904 continue; 905 } else if (l < 4 || created == 0) 906 errx(EXIT_FAILURE, "Incorrect backup format."); 907 else if (l == 5) { 908 if (strchr(argv[4], '[') == NULL) 909 label = argv[4]; 910 else 911 pline = argv[4]; 912 } else if (l == 6) { 913 label = argv[4]; 914 pline = argv[5]; 915 } 916 /* Add partitions to each table */ 917 for (i = 0; i < nargs; i++) { 918 s = gctl_get_ascii(req, "arg%d", i); 919 r = gctl_get_handle(); 920 n = strtoimax(argv[0], NULL, 0); 921 gctl_ro_param(r, "class", -1, classp->lg_name); 922 gctl_ro_param(r, "verb", -1, "add"); 923 gctl_ro_param(r, "flags", -1, "restore"); 924 gctl_ro_param(r, GPART_PARAM_INDEX, sizeof(n), &n); 925 gctl_ro_param(r, "type", -1, argv[1]); 926 gctl_ro_param(r, "start", -1, argv[2]); 927 gctl_ro_param(r, "size", -1, argv[3]); 928 if (rl != 0 && label != NULL) 929 gctl_ro_param(r, "label", -1, argv[4]); 930 gctl_ro_param(r, "arg0", -1, s); 931 error = gpart_autofill(r); 932 if (error != 0) 933 errc(EXIT_FAILURE, error, "autofill"); 934 errstr = gctl_issue(r); 935 if (errstr != NULL && errstr[0] != '\0') { 936 gpart_print_error(errstr); 937 gctl_free(r); 938 goto backout; 939 } 940 gctl_free(r); 941 } 942 if (pline == NULL || *pline != '[') 943 continue; 944 /* set attributes */ 945 pline++; 946 for (ap = argv; 947 (*ap = strsep(&pline, ",]")) != NULL;) 948 if (**ap != '\0' && ++ap >= &argv[6]) 949 break; 950 for (i = 0; i < nargs; i++) { 951 l = ap - &argv[0]; 952 s = gctl_get_ascii(req, "arg%d", i); 953 while (l > 0) { 954 r = gctl_get_handle(); 955 gctl_ro_param(r, "class", -1, classp->lg_name); 956 gctl_ro_param(r, "verb", -1, "set"); 957 gctl_ro_param(r, "flags", -1, "restore"); 958 gctl_ro_param(r, GPART_PARAM_INDEX, 959 sizeof(n), &n); 960 gctl_ro_param(r, "attrib", -1, argv[--l]); 961 gctl_ro_param(r, "arg0", -1, s); 962 errstr = gctl_issue(r); 963 if (errstr != NULL && errstr[0] != '\0') { 964 gpart_print_error(errstr); 965 gctl_free(r); 966 goto backout; 967 } 968 gctl_free(r); 969 } 970 } 971 } 972 if (undo_restore) 973 goto backout; 974 /* commit changes if needed */ 975 if (strchr(flags, 'C') != NULL) { 976 for (i = 0; i < nargs; i++) { 977 s = gctl_get_ascii(req, "arg%d", i); 978 r = gctl_get_handle(); 979 gctl_ro_param(r, "class", -1, classp->lg_name); 980 gctl_ro_param(r, "verb", -1, "commit"); 981 gctl_ro_param(r, "arg0", -1, s); 982 errstr = gctl_issue(r); 983 if (errstr != NULL && errstr[0] != '\0') { 984 gpart_print_error(errstr); 985 gctl_free(r); 986 goto backout; 987 } 988 gctl_free(r); 989 } 990 } 991 gctl_free(req); 992 geom_deletetree(&mesh); 993 exit(EXIT_SUCCESS); 994 995backout: 996 for (i = 0; i < nargs; i++) { 997 s = gctl_get_ascii(req, "arg%d", i); 998 r = gctl_get_handle(); 999 gctl_ro_param(r, "class", -1, classp->lg_name); 1000 gctl_ro_param(r, "verb", -1, "undo"); 1001 gctl_ro_param(r, "arg0", -1, s); 1002 gctl_issue(r); 1003 gctl_free(r); 1004 } 1005 gctl_free(req); 1006 geom_deletetree(&mesh); 1007 exit(EXIT_FAILURE); 1008} 1009 1010static void * 1011gpart_bootfile_read(const char *bootfile, ssize_t *size) 1012{ 1013 struct stat sb; 1014 void *code; 1015 int fd; 1016 1017 if (stat(bootfile, &sb) == -1) 1018 err(EXIT_FAILURE, "%s", bootfile); 1019 if (!S_ISREG(sb.st_mode)) 1020 errx(EXIT_FAILURE, "%s: not a regular file", bootfile); 1021 if (sb.st_size == 0) 1022 errx(EXIT_FAILURE, "%s: empty file", bootfile); 1023 if (*size > 0 && sb.st_size > *size) 1024 errx(EXIT_FAILURE, "%s: file too big (%zu limit)", bootfile, 1025 *size); 1026 1027 *size = sb.st_size; 1028 1029 fd = open(bootfile, O_RDONLY); 1030 if (fd == -1) 1031 err(EXIT_FAILURE, "%s", bootfile); 1032 code = malloc(*size); 1033 if (code == NULL) 1034 err(EXIT_FAILURE, NULL); 1035 if (read(fd, code, *size) != *size) 1036 err(EXIT_FAILURE, "%s", bootfile); 1037 close(fd); 1038 1039 return (code); 1040} 1041 1042static void 1043gpart_write_partcode(struct ggeom *gp, int idx, void *code, ssize_t size) 1044{ 1045 char dsf[128]; 1046 struct gprovider *pp; 1047 const char *s; 1048 char *buf; 1049 off_t bsize; 1050 int fd; 1051 1052 LIST_FOREACH(pp, &gp->lg_provider, lg_provider) { 1053 s = find_provcfg(pp, "index"); 1054 if (s == NULL) 1055 continue; 1056 if (atoi(s) == idx) 1057 break; 1058 } 1059 1060 if (pp != NULL) { 1061 snprintf(dsf, sizeof(dsf), "/dev/%s", pp->lg_name); 1062 fd = open(dsf, O_WRONLY); 1063 if (fd == -1) 1064 err(EXIT_FAILURE, "%s", dsf); 1065 if (lseek(fd, size, SEEK_SET) != size) 1066 errx(EXIT_FAILURE, "%s: not enough space", dsf); 1067 if (lseek(fd, 0, SEEK_SET) != 0) 1068 err(EXIT_FAILURE, "%s", dsf); 1069 1070 /* 1071 * When writing to a disk device, the write must be 1072 * sector aligned and not write to any partial sectors, 1073 * so round up the buffer size to the next sector and zero it. 1074 */ 1075 bsize = (size + pp->lg_sectorsize - 1) / 1076 pp->lg_sectorsize * pp->lg_sectorsize; 1077 buf = calloc(1, bsize); 1078 if (buf == NULL) 1079 err(EXIT_FAILURE, "%s", dsf); 1080 bcopy(code, buf, size); 1081 if (write(fd, buf, bsize) != bsize) 1082 err(EXIT_FAILURE, "%s", dsf); 1083 free(buf); 1084 close(fd); 1085 } else 1086 errx(EXIT_FAILURE, "invalid partition index"); 1087} 1088 1089static void 1090gpart_write_partcode_vtoc8(struct ggeom *gp, int idx, void *code) 1091{ 1092 char dsf[128]; 1093 struct gprovider *pp; 1094 const char *s; 1095 int installed, fd; 1096 1097 installed = 0; 1098 LIST_FOREACH(pp, &gp->lg_provider, lg_provider) { 1099 s = find_provcfg(pp, "index"); 1100 if (s == NULL) 1101 continue; 1102 if (idx != 0 && atoi(s) != idx) 1103 continue; 1104 snprintf(dsf, sizeof(dsf), "/dev/%s", pp->lg_name); 1105 if (pp->lg_sectorsize != sizeof(struct vtoc8)) 1106 errx(EXIT_FAILURE, "%s: unexpected sector " 1107 "size (%d)\n", dsf, pp->lg_sectorsize); 1108 fd = open(dsf, O_WRONLY); 1109 if (fd == -1) 1110 err(EXIT_FAILURE, "%s", dsf); 1111 if (lseek(fd, VTOC_BOOTSIZE, SEEK_SET) != VTOC_BOOTSIZE) 1112 continue; 1113 /* 1114 * We ignore the first VTOC_BOOTSIZE bytes of boot code in 1115 * order to avoid overwriting the label. 1116 */ 1117 if (lseek(fd, sizeof(struct vtoc8), SEEK_SET) != 1118 sizeof(struct vtoc8)) 1119 err(EXIT_FAILURE, "%s", dsf); 1120 if (write(fd, (caddr_t)code + sizeof(struct vtoc8), 1121 VTOC_BOOTSIZE - sizeof(struct vtoc8)) != VTOC_BOOTSIZE - 1122 sizeof(struct vtoc8)) 1123 err(EXIT_FAILURE, "%s", dsf); 1124 installed++; 1125 close(fd); 1126 if (idx != 0 && atoi(s) == idx) 1127 break; 1128 } 1129 if (installed == 0) 1130 errx(EXIT_FAILURE, "%s: no partitions", gp->lg_name); 1131} 1132 1133static void 1134gpart_bootcode(struct gctl_req *req, unsigned int fl) 1135{ 1136 struct gmesh mesh; 1137 struct gclass *classp; 1138 struct ggeom *gp; 1139 const char *s; 1140 void *bootcode, *partcode; 1141 size_t bootsize, partsize; 1142 int error, idx, vtoc8; 1143 1144 if (gctl_has_param(req, GPART_PARAM_BOOTCODE)) { 1145 s = gctl_get_ascii(req, GPART_PARAM_BOOTCODE); 1146 bootsize = 800 * 1024; /* Arbitrary limit. */ 1147 bootcode = gpart_bootfile_read(s, &bootsize); 1148 error = gctl_change_param(req, GPART_PARAM_BOOTCODE, bootsize, 1149 bootcode); 1150 if (error) 1151 errc(EXIT_FAILURE, error, "internal error"); 1152 } else { 1153 bootcode = NULL; 1154 bootsize = 0; 1155 } 1156 1157 s = gctl_get_ascii(req, "class"); 1158 if (s == NULL) 1159 abort(); 1160 error = geom_gettree(&mesh); 1161 if (error != 0) 1162 errc(EXIT_FAILURE, error, "Cannot get GEOM tree"); 1163 classp = find_class(&mesh, s); 1164 if (classp == NULL) { 1165 geom_deletetree(&mesh); 1166 errx(EXIT_FAILURE, "Class %s not found.", s); 1167 } 1168 if (gctl_get_int(req, "nargs") != 1) 1169 errx(EXIT_FAILURE, "Invalid number of arguments."); 1170 s = gctl_get_ascii(req, "arg0"); 1171 if (s == NULL) 1172 abort(); 1173 gp = find_geom(classp, s); 1174 if (gp == NULL) 1175 errx(EXIT_FAILURE, "No such geom: %s.", s); 1176 s = find_geomcfg(gp, "scheme"); 1177 vtoc8 = 0; 1178 if (strcmp(s, "VTOC8") == 0) 1179 vtoc8 = 1; 1180 1181 if (gctl_has_param(req, GPART_PARAM_PARTCODE)) { 1182 s = gctl_get_ascii(req, GPART_PARAM_PARTCODE); 1183 partsize = vtoc8 != 0 ? VTOC_BOOTSIZE : bootsize * 1024; 1184 partcode = gpart_bootfile_read(s, &partsize); 1185 error = gctl_delete_param(req, GPART_PARAM_PARTCODE); 1186 if (error) 1187 errc(EXIT_FAILURE, error, "internal error"); 1188 } else { 1189 partcode = NULL; 1190 partsize = 0; 1191 } 1192 1193 if (gctl_has_param(req, GPART_PARAM_INDEX)) { 1194 if (partcode == NULL) 1195 errx(EXIT_FAILURE, "-i is only valid with -p"); 1196 idx = (int)gctl_get_intmax(req, GPART_PARAM_INDEX); 1197 if (idx < 1) 1198 errx(EXIT_FAILURE, "invalid partition index"); 1199 error = gctl_delete_param(req, GPART_PARAM_INDEX); 1200 if (error) 1201 errc(EXIT_FAILURE, error, "internal error"); 1202 } else 1203 idx = 0; 1204 1205 if (partcode != NULL) { 1206 if (vtoc8 == 0) { 1207 if (idx == 0) 1208 errx(EXIT_FAILURE, "missing -i option"); 1209 gpart_write_partcode(gp, idx, partcode, partsize); 1210 } else 1211 gpart_write_partcode_vtoc8(gp, idx, partcode); 1212 } else 1213 if (bootcode == NULL) 1214 errx(EXIT_FAILURE, "no -b nor -p"); 1215 1216 if (bootcode != NULL) 1217 gpart_issue(req, fl); 1218 1219 geom_deletetree(&mesh); 1220} 1221 1222static void 1223gpart_print_error(const char *errstr) 1224{ 1225 char *errmsg; 1226 int error; 1227 1228 error = strtol(errstr, &errmsg, 0); 1229 if (errmsg != errstr) { 1230 while (errmsg[0] == ' ') 1231 errmsg++; 1232 if (errmsg[0] != '\0') 1233 warnc(error, "%s", errmsg); 1234 else 1235 warnc(error, NULL); 1236 } else 1237 warnx("%s", errmsg); 1238} 1239 1240static void 1241gpart_issue(struct gctl_req *req, unsigned int fl __unused) 1242{ 1243 char buf[4096]; 1244 const char *errstr; 1245 int error, status; 1246 1247 if (gctl_get_int(req, "nargs") != 1) 1248 errx(EXIT_FAILURE, "Invalid number of arguments."); 1249 (void)gctl_delete_param(req, "nargs"); 1250 1251 /* autofill parameters (if applicable). */ 1252 error = gpart_autofill(req); 1253 if (error) { 1254 warnc(error, "autofill"); 1255 status = EXIT_FAILURE; 1256 goto done; 1257 } 1258 1259 bzero(buf, sizeof(buf)); 1260 gctl_rw_param(req, "output", sizeof(buf), buf); 1261 errstr = gctl_issue(req); 1262 if (errstr == NULL || errstr[0] == '\0') { 1263 if (buf[0] != '\0') 1264 printf("%s", buf); 1265 status = EXIT_SUCCESS; 1266 goto done; 1267 } 1268 1269 gpart_print_error(errstr); 1270 status = EXIT_FAILURE; 1271 1272 done: 1273 gctl_free(req); 1274 exit(status); 1275} 1276