2 * Copyright (c) 2007, 2008 Marcel Moolenaar
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
51 #include "core/geom.h"
52 #include "misc/subr.h"
54 #ifdef STATIC_GEOM_CLASSES
55 #define PUBSYM(x) gpart_##x
60 uint32_t PUBSYM(lib_version) = G_LIB_VERSION;
61 uint32_t PUBSYM(version) = 0;
63 static char sstart[32];
64 static char ssize[32];
65 volatile sig_atomic_t undo_restore;
67 #define GPART_AUTOFILL "*"
68 #define GPART_FLAGS "C"
70 #define GPART_PARAM_BOOTCODE "bootcode"
71 #define GPART_PARAM_INDEX "index"
72 #define GPART_PARAM_PARTCODE "partcode"
74 static struct gclass *find_class(struct gmesh *, const char *);
75 static struct ggeom * find_geom(struct gclass *, const char *);
76 static const char *find_geomcfg(struct ggeom *, const char *);
77 static const char *find_provcfg(struct gprovider *, const char *);
78 static struct gprovider *find_provider(struct ggeom *, off_t);
79 static const char *fmtsize(int64_t);
80 static int gpart_autofill(struct gctl_req *);
81 static int gpart_autofill_resize(struct gctl_req *);
82 static void gpart_bootcode(struct gctl_req *, unsigned int);
83 static void *gpart_bootfile_read(const char *, ssize_t *);
84 static void gpart_issue(struct gctl_req *, unsigned int);
85 static void gpart_show(struct gctl_req *, unsigned int);
86 static void gpart_show_geom(struct ggeom *, const char *, int);
87 static int gpart_show_hasopt(struct gctl_req *, const char *, const char *);
88 static void gpart_write_partcode(struct ggeom *, int, void *, ssize_t);
89 static void gpart_write_partcode_vtoc8(struct ggeom *, int, void *);
90 static void gpart_print_error(const char *);
91 static void gpart_backup(struct gctl_req *, unsigned int);
92 static void gpart_restore(struct gctl_req *, unsigned int);
94 struct 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 },
104 "-t type [-a alignment] [-b start] [-s size] [-i index] "
105 "[-l label] [-f flags] geom"
107 { "backup", 0, gpart_backup, G_NULL_OPTS,
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 },
116 "[-b bootcode] [-p partcode -i index] [-f flags] geom"
118 { "commit", 0, gpart_issue, G_NULL_OPTS,
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 },
126 "-s scheme [-n entries] [-f flags] provider"
128 { "delete", 0, gpart_issue, {
129 { 'i', GPART_PARAM_INDEX, NULL, G_TYPE_NUMBER },
130 { 'f', "flags", GPART_FLAGS, G_TYPE_STRING },
132 "-i index [-f flags] geom"
134 { "destroy", 0, gpart_issue, {
135 { 'F', "force", NULL, G_TYPE_BOOL },
136 { 'f', "flags", GPART_FLAGS, G_TYPE_STRING },
138 "[-F] [-f flags] geom"
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 },
146 "-i index [-l label] [-t type] [-f flags] geom"
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 },
153 "-a attrib -i index [-f flags] geom"
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 },
160 "[-l | -r] [-p] [geom ...]"
162 { "undo", 0, gpart_issue, G_NULL_OPTS,
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 },
170 "-a attrib -i index [-f flags] geom"
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 },
178 "-i index [-a alignment] [-s size] [-f flags] geom"
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 },
185 "[-lF] [-f flags] provider [...]"
187 { "recover", 0, gpart_issue, {
188 { 'f', "flags", GPART_FLAGS, G_TYPE_STRING },
195 static struct gclass *
196 find_class(struct gmesh *mesh, const char *name)
198 struct gclass *classp;
200 LIST_FOREACH(classp, &mesh->lg_class, lg_class) {
201 if (strcmp(classp->lg_name, name) == 0)
207 static struct ggeom *
208 find_geom(struct gclass *classp, const char *name)
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)
222 find_geomcfg(struct ggeom *gp, const char *cfg)
226 LIST_FOREACH(gc, &gp->lg_config, lg_config) {
227 if (!strcmp(gc->lg_name, cfg))
234 find_provcfg(struct gprovider *pp, const char *cfg)
238 LIST_FOREACH(gc, &pp->lg_config, lg_config) {
239 if (!strcmp(gc->lg_name, cfg))
245 static struct gprovider *
246 find_provider(struct ggeom *gp, off_t minsector)
248 struct gprovider *pp, *bestpp;
250 off_t sector, bestsector;
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)
259 if (bestpp != NULL && sector >= bestsector)
269 fmtsize(int64_t rawsz)
273 humanize_number(buf, sizeof(buf), rawsz, "", HN_AUTOSCALE,
274 HN_B | HN_NOSPACE | HN_DECIMAL);
279 fmtattrib(struct gprovider *pp)
281 static char buf[128];
287 LIST_FOREACH(gc, &pp->lg_config, lg_config) {
288 if (strcmp(gc->lg_name, "attrib") != 0)
290 idx += snprintf(buf + idx, sizeof(buf) - idx, "%s%s",
291 (idx == 0) ? " [" : ",", gc->lg_val);
294 snprintf(buf + idx, sizeof(buf) - idx, "] ");
298 #define ALIGNDOWN(d, a) ((d) - (d) % (a))
299 #define ALIGNUP(d, a) ((d) % (a) ? (d) - (d) % (a) + (a): (d))
302 gpart_autofill_resize(struct gctl_req *req)
307 struct gprovider *pp;
308 off_t last, size, start, new_size;
309 off_t lba, new_lba, alignment, offset;
311 int error, idx, has_alignment;
313 idx = (int)gctl_get_intmax(req, GPART_PARAM_INDEX);
315 errx(EXIT_FAILURE, "invalid partition index");
317 error = geom_gettree(&mesh);
320 s = gctl_get_ascii(req, "class");
323 cp = find_class(&mesh, s);
325 errx(EXIT_FAILURE, "Class %s not found.", s);
326 s = gctl_get_ascii(req, "arg0");
329 gp = find_geom(cp, s);
331 errx(EXIT_FAILURE, "No such geom: %s.", s);
332 pp = LIST_FIRST(&gp->lg_consumer)->lg_provider;
334 errx(EXIT_FAILURE, "Provider for geom %s not found.", s);
336 s = gctl_get_ascii(req, "alignment");
337 has_alignment = (*s == '*') ? 0 : 1;
340 error = g_parse_lba(s, pp->lg_sectorsize, &alignment);
342 errc(EXIT_FAILURE, error, "Invalid alignment param");
344 errx(EXIT_FAILURE, "Invalid alignment param");
346 lba = pp->lg_stripesize / pp->lg_sectorsize;
350 error = gctl_delete_param(req, "alignment");
352 errc(EXIT_FAILURE, error, "internal error");
354 s = gctl_get_ascii(req, "size");
358 error = g_parse_lba(s, pp->lg_sectorsize, &new_size);
360 errc(EXIT_FAILURE, error, "Invalid size param");
361 /* no autofill necessary. */
362 if (has_alignment == 0)
366 offset = (pp->lg_stripeoffset / pp->lg_sectorsize) % alignment;
367 last = (off_t)strtoimax(find_geomcfg(gp, "last"), NULL, 0);
368 LIST_FOREACH(pp, &gp->lg_provider, lg_provider) {
369 s = find_provcfg(pp, "index");
376 errx(EXIT_FAILURE, "invalid partition index");
378 s = find_provcfg(pp, "start");
379 start = (off_t)strtoimax(s, NULL, 0);
380 s = find_provcfg(pp, "end");
381 lba = (off_t)strtoimax(s, NULL, 0);
382 size = lba - start + 1;
384 pp = find_provider(gp, lba + 1);
385 if (new_size > 0 && (new_size <= size || pp == NULL)) {
386 /* The start offset may be not aligned, so we align the end
387 * offset and then calculate the size.
389 new_size = ALIGNDOWN(start + offset + new_size,
390 alignment) - start - offset;
394 new_size = ALIGNDOWN(last + offset + 1, alignment) -
399 s = find_provcfg(pp, "start");
400 new_lba = (off_t)strtoimax(s, NULL, 0);
402 * Is there any free space between current and
405 new_lba = ALIGNDOWN(new_lba + offset, alignment) - offset;
407 new_size = new_lba - start;
409 geom_deletetree(&mesh);
414 snprintf(ssize, sizeof(ssize), "%jd", (intmax_t)new_size);
415 gctl_change_param(req, "size", -1, ssize);
416 geom_deletetree(&mesh);
421 gpart_autofill(struct gctl_req *req)
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;
432 int error, has_size, has_start, has_alignment;
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)
440 error = geom_gettree(&mesh);
443 s = gctl_get_ascii(req, "class");
446 cp = find_class(&mesh, s);
448 errx(EXIT_FAILURE, "Class %s not found.", s);
449 s = gctl_get_ascii(req, "arg0");
452 gp = find_geom(cp, s);
454 errx(EXIT_FAILURE, "No such geom: %s.", s);
455 pp = LIST_FIRST(&gp->lg_consumer)->lg_provider;
457 errx(EXIT_FAILURE, "Provider for geom %s not found.", s);
459 s = gctl_get_ascii(req, "alignment");
460 has_alignment = (*s == '*') ? 0 : 1;
463 error = g_parse_lba(s, pp->lg_sectorsize, &alignment);
465 errc(EXIT_FAILURE, error, "Invalid alignment param");
467 errx(EXIT_FAILURE, "Invalid alignment param");
469 error = gctl_delete_param(req, "alignment");
471 errc(EXIT_FAILURE, error, "internal error");
473 s = gctl_get_ascii(req, "size");
474 has_size = (*s == '*') ? 0 : 1;
477 error = g_parse_lba(s, pp->lg_sectorsize, &size);
479 errc(EXIT_FAILURE, error, "Invalid size param");
482 s = gctl_get_ascii(req, "start");
483 has_start = (*s == '*') ? 0 : 1;
486 error = g_parse_lba(s, pp->lg_sectorsize, &start);
488 errc(EXIT_FAILURE, error, "Invalid start param");
491 /* No autofill necessary. */
492 if (has_size && has_start && !has_alignment)
495 len = pp->lg_stripesize / pp->lg_sectorsize;
496 if (len > 0 && !has_alignment)
499 /* Adjust parameters to stripeoffset */
500 offset = (pp->lg_stripeoffset / pp->lg_sectorsize) % alignment;
501 start = ALIGNUP(start + offset, alignment);
502 if (size > alignment)
503 size = ALIGNDOWN(size, alignment);
505 first = (off_t)strtoimax(find_geomcfg(gp, "first"), NULL, 0);
506 last = (off_t)strtoimax(find_geomcfg(gp, "last"), NULL, 0);
508 a_first = ALIGNUP(first + offset, alignment);
509 last = ALIGNDOWN(last + offset, alignment);
512 while ((pp = find_provider(gp, first)) != NULL) {
513 s = find_provcfg(pp, "start");
514 lba = (off_t)strtoimax(s, NULL, 0);
515 a_lba = ALIGNDOWN(lba + offset, alignment);
516 if (first < a_lba && a_first < a_lba) {
517 /* Free space [first, lba> */
518 len = a_lba - a_first;
521 (uintmax_t)(len - size) < grade) {
525 } else if (has_start) {
526 if (start >= a_first && start < a_lba) {
527 size = a_lba - start;
528 grade = start - a_first;
531 if (grade == ~0ULL || len > size) {
539 s = find_provcfg(pp, "end");
540 first = (off_t)strtoimax(s, NULL, 0) + 1;
542 a_first = ALIGNUP(first + offset, alignment);
544 if (a_first <= last) {
545 /* Free space [first-last] */
546 len = ALIGNDOWN(last - a_first + 1, alignment);
549 (uintmax_t)(len - size) < grade) {
553 } else if (has_start) {
554 if (start >= a_first && start <= last) {
555 size = ALIGNDOWN(last - start + 1, alignment);
556 grade = start - a_first;
559 if (grade == ~0ULL || len > size) {
566 if (grade == ~0ULL) {
567 geom_deletetree(&mesh);
570 start -= offset; /* Return back to real offset */
572 snprintf(ssize, sizeof(ssize), "%jd", (intmax_t)size);
573 gctl_change_param(req, "size", -1, ssize);
574 snprintf(sstart, sizeof(sstart), "%jd", (intmax_t)start);
575 gctl_change_param(req, "start", -1, sstart);
576 geom_deletetree(&mesh);
581 gpart_show_geom(struct ggeom *gp, const char *element, int show_providers)
583 struct gprovider *pp;
584 const char *s, *scheme;
585 off_t first, last, sector, end;
587 int idx, wblocks, wname, wmax;
589 scheme = find_geomcfg(gp, "scheme");
590 s = find_geomcfg(gp, "first");
591 first = (off_t)strtoimax(s, NULL, 0);
592 s = find_geomcfg(gp, "last");
593 last = (off_t)strtoimax(s, NULL, 0);
595 s = find_geomcfg(gp, "state");
596 if (s != NULL && *s != 'C')
598 wmax = strlen(gp->lg_name);
599 if (show_providers) {
600 LIST_FOREACH(pp, &gp->lg_provider, lg_provider) {
601 wname = strlen(pp->lg_name);
607 pp = LIST_FIRST(&gp->lg_consumer)->lg_provider;
608 secsz = pp->lg_sectorsize;
609 printf("=>%*jd %*jd %*s %s (%s)%s\n",
610 wblocks, (intmax_t)first, wblocks, (intmax_t)(last - first + 1),
612 scheme, fmtsize(pp->lg_mediasize),
613 s ? " [CORRUPT]": "");
615 while ((pp = find_provider(gp, first)) != NULL) {
616 s = find_provcfg(pp, "start");
617 sector = (off_t)strtoimax(s, NULL, 0);
619 s = find_provcfg(pp, "end");
620 end = (off_t)strtoimax(s, NULL, 0);
621 length = end - sector + 1;
623 s = find_provcfg(pp, "index");
625 if (first < sector) {
626 printf(" %*jd %*jd %*s - free - (%s)\n",
627 wblocks, (intmax_t)first, wblocks,
628 (intmax_t)(sector - first), wname, "",
629 fmtsize((sector - first) * secsz));
631 if (show_providers) {
632 printf(" %*jd %*jd %*s %s %s (%s)\n",
633 wblocks, (intmax_t)sector, wblocks,
634 (intmax_t)length, wname, pp->lg_name,
635 find_provcfg(pp, element), fmtattrib(pp),
636 fmtsize(pp->lg_mediasize));
638 printf(" %*jd %*jd %*d %s %s (%s)\n",
639 wblocks, (intmax_t)sector, wblocks,
640 (intmax_t)length, wname, idx,
641 find_provcfg(pp, element), fmtattrib(pp),
642 fmtsize(pp->lg_mediasize));
646 length = last - first + 1;
647 printf(" %*jd %*jd %*s - free - (%s)\n",
648 wblocks, (intmax_t)first, wblocks, (intmax_t)length,
650 fmtsize(length * secsz));
656 gpart_show_hasopt(struct gctl_req *req, const char *opt, const char *elt)
659 if (!gctl_get_int(req, "%s", opt))
663 errx(EXIT_FAILURE, "-l and -r are mutually exclusive");
669 gpart_show(struct gctl_req *req, unsigned int fl __unused)
672 struct gclass *classp;
674 const char *element, *name;
675 int error, i, nargs, show_providers;
678 if (gpart_show_hasopt(req, "show_label", element))
680 if (gpart_show_hasopt(req, "show_rawtype", element))
685 name = gctl_get_ascii(req, "class");
688 error = geom_gettree(&mesh);
690 errc(EXIT_FAILURE, error, "Cannot get GEOM tree");
691 classp = find_class(&mesh, name);
692 if (classp == NULL) {
693 geom_deletetree(&mesh);
694 errx(EXIT_FAILURE, "Class %s not found.", name);
696 show_providers = gctl_get_int(req, "show_providers");
697 nargs = gctl_get_int(req, "nargs");
699 for (i = 0; i < nargs; i++) {
700 name = gctl_get_ascii(req, "arg%d", i);
701 gp = find_geom(classp, name);
703 gpart_show_geom(gp, element, show_providers);
705 errx(EXIT_FAILURE, "No such geom: %s.", name);
708 LIST_FOREACH(gp, &classp->lg_geom, lg_geom) {
709 gpart_show_geom(gp, element, show_providers);
712 geom_deletetree(&mesh);
716 gpart_backup(struct gctl_req *req, unsigned int fl __unused)
719 struct gclass *classp;
720 struct gprovider *pp;
722 const char *s, *scheme;
725 int error, i, windex, wblocks, wtype;
727 if (gctl_get_int(req, "nargs") != 1)
728 errx(EXIT_FAILURE, "Invalid number of arguments.");
729 error = geom_gettree(&mesh);
731 errc(EXIT_FAILURE, error, "Cannot get GEOM tree");
732 s = gctl_get_ascii(req, "class");
735 classp = find_class(&mesh, s);
736 if (classp == NULL) {
737 geom_deletetree(&mesh);
738 errx(EXIT_FAILURE, "Class %s not found.", s);
740 s = gctl_get_ascii(req, "arg0");
743 gp = find_geom(classp, s);
745 errx(EXIT_FAILURE, "No such geom: %s.", s);
746 scheme = find_geomcfg(gp, "scheme");
749 pp = LIST_FIRST(&gp->lg_consumer)->lg_provider;
750 s = find_geomcfg(gp, "last");
753 LIST_FOREACH(pp, &gp->lg_provider, lg_provider) {
754 s = find_provcfg(pp, "type");
759 s = find_geomcfg(gp, "entries");
761 printf("%s %s\n", scheme, s);
762 LIST_FOREACH(pp, &gp->lg_provider, lg_provider) {
763 s = find_provcfg(pp, "start");
764 sector = (off_t)strtoimax(s, NULL, 0);
766 s = find_provcfg(pp, "end");
767 end = (off_t)strtoimax(s, NULL, 0);
768 length = end - sector + 1;
770 s = find_provcfg(pp, "label");
771 printf("%-*s %*s %*jd %*jd %s %s\n",
772 windex, find_provcfg(pp, "index"),
773 wtype, find_provcfg(pp, "type"),
774 wblocks, (intmax_t)sector,
775 wblocks, (intmax_t)length,
776 (s != NULL) ? s: "", fmtattrib(pp));
778 geom_deletetree(&mesh);
782 skip_line(const char *p)
788 if (isspace(*p) == 0)
796 gpart_sighndl(int sig __unused)
802 gpart_restore(struct gctl_req *req, unsigned int fl __unused)
805 struct gclass *classp;
808 struct sigaction si_sa;
809 const char *s, *flags, *errstr, *label;
810 char **ap, *argv[6], line[BUFSIZ], *pline;
811 int error, forced, i, l, nargs, created, rl;
814 nargs = gctl_get_int(req, "nargs");
816 errx(EXIT_FAILURE, "Invalid number of arguments.");
818 forced = gctl_get_int(req, "force");
819 flags = gctl_get_ascii(req, "flags");
820 rl = gctl_get_int(req, "restore_labels");
821 s = gctl_get_ascii(req, "class");
824 error = geom_gettree(&mesh);
826 errc(EXIT_FAILURE, error, "Cannot get GEOM tree");
827 classp = find_class(&mesh, s);
828 if (classp == NULL) {
829 geom_deletetree(&mesh);
830 errx(EXIT_FAILURE, "Class %s not found.", s);
833 sigemptyset(&si_sa.sa_mask);
835 si_sa.sa_handler = gpart_sighndl;
836 if (sigaction(SIGINT, &si_sa, 0) == -1)
837 err(EXIT_FAILURE, "sigaction SIGINT");
840 /* destroy existent partition table before restore */
841 for (i = 0; i < nargs; i++) {
842 s = gctl_get_ascii(req, "arg%d", i);
843 gp = find_geom(classp, s);
845 r = gctl_get_handle();
846 gctl_ro_param(r, "class", -1,
848 gctl_ro_param(r, "verb", -1, "destroy");
849 gctl_ro_param(r, "flags", -1, "restore");
850 gctl_ro_param(r, "force", sizeof(forced),
852 gctl_ro_param(r, "arg0", -1, s);
853 errstr = gctl_issue(r);
854 if (errstr != NULL && errstr[0] != '\0') {
855 gpart_print_error(errstr);
864 while (undo_restore == 0 &&
865 fgets(line, sizeof(line) - 1, stdin) != NULL) {
866 /* Format of backup entries:
867 * <scheme name> <number of entries>
868 * <index> <type> <start> <size> [label] ['['attrib[,attrib]']']
870 pline = (char *)line;
871 pline[strlen(line) - 1] = 0;
872 if (skip_line(pline))
875 (*ap = strsep(&pline, " \t")) != NULL;)
876 if (**ap != '\0' && ++ap >= &argv[6])
879 label = pline = NULL;
880 if (l == 1 || l == 2) { /* create table */
882 errx(EXIT_FAILURE, "Incorrect backup format.");
884 n = strtoimax(argv[1], NULL, 0);
885 for (i = 0; i < nargs; i++) {
886 s = gctl_get_ascii(req, "arg%d", i);
887 r = gctl_get_handle();
888 gctl_ro_param(r, "class", -1,
890 gctl_ro_param(r, "verb", -1, "create");
891 gctl_ro_param(r, "scheme", -1, argv[0]);
893 gctl_ro_param(r, "entries",
895 gctl_ro_param(r, "flags", -1, "restore");
896 gctl_ro_param(r, "arg0", -1, s);
897 errstr = gctl_issue(r);
898 if (errstr != NULL && errstr[0] != '\0') {
899 gpart_print_error(errstr);
907 } else if (l < 4 || created == 0)
908 errx(EXIT_FAILURE, "Incorrect backup format.");
910 if (strchr(argv[4], '[') == NULL)
918 /* Add partitions to each table */
919 for (i = 0; i < nargs; i++) {
920 s = gctl_get_ascii(req, "arg%d", i);
921 r = gctl_get_handle();
922 n = strtoimax(argv[0], NULL, 0);
923 gctl_ro_param(r, "class", -1, classp->lg_name);
924 gctl_ro_param(r, "verb", -1, "add");
925 gctl_ro_param(r, "flags", -1, "restore");
926 gctl_ro_param(r, GPART_PARAM_INDEX, sizeof(n), &n);
927 gctl_ro_param(r, "type", -1, argv[1]);
928 gctl_ro_param(r, "start", -1, argv[2]);
929 gctl_ro_param(r, "size", -1, argv[3]);
930 if (rl != 0 && label != NULL)
931 gctl_ro_param(r, "label", -1, argv[4]);
932 gctl_ro_param(r, "alignment", -1, GPART_AUTOFILL);
933 gctl_ro_param(r, "arg0", -1, s);
934 error = gpart_autofill(r);
936 errc(EXIT_FAILURE, error, "autofill");
937 errstr = gctl_issue(r);
938 if (errstr != NULL && errstr[0] != '\0') {
939 gpart_print_error(errstr);
945 if (pline == NULL || *pline != '[')
950 (*ap = strsep(&pline, ",]")) != NULL;)
951 if (**ap != '\0' && ++ap >= &argv[6])
953 for (i = 0; i < nargs; i++) {
955 s = gctl_get_ascii(req, "arg%d", i);
957 r = gctl_get_handle();
958 gctl_ro_param(r, "class", -1, classp->lg_name);
959 gctl_ro_param(r, "verb", -1, "set");
960 gctl_ro_param(r, "flags", -1, "restore");
961 gctl_ro_param(r, GPART_PARAM_INDEX,
963 gctl_ro_param(r, "attrib", -1, argv[--l]);
964 gctl_ro_param(r, "arg0", -1, s);
965 errstr = gctl_issue(r);
966 if (errstr != NULL && errstr[0] != '\0') {
967 gpart_print_error(errstr);
977 /* commit changes if needed */
978 if (strchr(flags, 'C') != NULL) {
979 for (i = 0; i < nargs; i++) {
980 s = gctl_get_ascii(req, "arg%d", i);
981 r = gctl_get_handle();
982 gctl_ro_param(r, "class", -1, classp->lg_name);
983 gctl_ro_param(r, "verb", -1, "commit");
984 gctl_ro_param(r, "arg0", -1, s);
985 errstr = gctl_issue(r);
986 if (errstr != NULL && errstr[0] != '\0') {
987 gpart_print_error(errstr);
995 geom_deletetree(&mesh);
999 for (i = 0; i < nargs; i++) {
1000 s = gctl_get_ascii(req, "arg%d", i);
1001 r = gctl_get_handle();
1002 gctl_ro_param(r, "class", -1, classp->lg_name);
1003 gctl_ro_param(r, "verb", -1, "undo");
1004 gctl_ro_param(r, "arg0", -1, s);
1009 geom_deletetree(&mesh);
1014 gpart_bootfile_read(const char *bootfile, ssize_t *size)
1020 if (stat(bootfile, &sb) == -1)
1021 err(EXIT_FAILURE, "%s", bootfile);
1022 if (!S_ISREG(sb.st_mode))
1023 errx(EXIT_FAILURE, "%s: not a regular file", bootfile);
1024 if (sb.st_size == 0)
1025 errx(EXIT_FAILURE, "%s: empty file", bootfile);
1026 if (*size > 0 && sb.st_size > *size)
1027 errx(EXIT_FAILURE, "%s: file too big (%zu limit)", bootfile,
1032 fd = open(bootfile, O_RDONLY);
1034 err(EXIT_FAILURE, "%s", bootfile);
1035 code = malloc(*size);
1037 err(EXIT_FAILURE, NULL);
1038 if (read(fd, code, *size) != *size)
1039 err(EXIT_FAILURE, "%s", bootfile);
1046 gpart_write_partcode(struct ggeom *gp, int idx, void *code, ssize_t size)
1049 struct gprovider *pp;
1055 LIST_FOREACH(pp, &gp->lg_provider, lg_provider) {
1056 s = find_provcfg(pp, "index");
1064 snprintf(dsf, sizeof(dsf), "/dev/%s", pp->lg_name);
1065 fd = open(dsf, O_WRONLY);
1067 err(EXIT_FAILURE, "%s", dsf);
1068 if (lseek(fd, size, SEEK_SET) != size)
1069 errx(EXIT_FAILURE, "%s: not enough space", dsf);
1070 if (lseek(fd, 0, SEEK_SET) != 0)
1071 err(EXIT_FAILURE, "%s", dsf);
1074 * When writing to a disk device, the write must be
1075 * sector aligned and not write to any partial sectors,
1076 * so round up the buffer size to the next sector and zero it.
1078 bsize = (size + pp->lg_sectorsize - 1) /
1079 pp->lg_sectorsize * pp->lg_sectorsize;
1080 buf = calloc(1, bsize);
1082 err(EXIT_FAILURE, "%s", dsf);
1083 bcopy(code, buf, size);
1084 if (write(fd, buf, bsize) != bsize)
1085 err(EXIT_FAILURE, "%s", dsf);
1089 errx(EXIT_FAILURE, "invalid partition index");
1093 gpart_write_partcode_vtoc8(struct ggeom *gp, int idx, void *code)
1096 struct gprovider *pp;
1101 LIST_FOREACH(pp, &gp->lg_provider, lg_provider) {
1102 s = find_provcfg(pp, "index");
1105 if (idx != 0 && atoi(s) != idx)
1107 snprintf(dsf, sizeof(dsf), "/dev/%s", pp->lg_name);
1108 if (pp->lg_sectorsize != sizeof(struct vtoc8))
1109 errx(EXIT_FAILURE, "%s: unexpected sector "
1110 "size (%d)\n", dsf, pp->lg_sectorsize);
1111 fd = open(dsf, O_WRONLY);
1113 err(EXIT_FAILURE, "%s", dsf);
1114 if (lseek(fd, VTOC_BOOTSIZE, SEEK_SET) != VTOC_BOOTSIZE)
1117 * We ignore the first VTOC_BOOTSIZE bytes of boot code in
1118 * order to avoid overwriting the label.
1120 if (lseek(fd, sizeof(struct vtoc8), SEEK_SET) !=
1121 sizeof(struct vtoc8))
1122 err(EXIT_FAILURE, "%s", dsf);
1123 if (write(fd, (caddr_t)code + sizeof(struct vtoc8),
1124 VTOC_BOOTSIZE - sizeof(struct vtoc8)) != VTOC_BOOTSIZE -
1125 sizeof(struct vtoc8))
1126 err(EXIT_FAILURE, "%s", dsf);
1129 if (idx != 0 && atoi(s) == idx)
1133 errx(EXIT_FAILURE, "%s: no partitions", gp->lg_name);
1137 gpart_bootcode(struct gctl_req *req, unsigned int fl)
1140 struct gclass *classp;
1143 void *bootcode, *partcode;
1144 size_t bootsize, partsize;
1145 int error, idx, vtoc8;
1147 if (gctl_has_param(req, GPART_PARAM_BOOTCODE)) {
1148 s = gctl_get_ascii(req, GPART_PARAM_BOOTCODE);
1149 bootsize = 800 * 1024; /* Arbitrary limit. */
1150 bootcode = gpart_bootfile_read(s, &bootsize);
1151 error = gctl_change_param(req, GPART_PARAM_BOOTCODE, bootsize,
1154 errc(EXIT_FAILURE, error, "internal error");
1160 s = gctl_get_ascii(req, "class");
1163 error = geom_gettree(&mesh);
1165 errc(EXIT_FAILURE, error, "Cannot get GEOM tree");
1166 classp = find_class(&mesh, s);
1167 if (classp == NULL) {
1168 geom_deletetree(&mesh);
1169 errx(EXIT_FAILURE, "Class %s not found.", s);
1171 if (gctl_get_int(req, "nargs") != 1)
1172 errx(EXIT_FAILURE, "Invalid number of arguments.");
1173 s = gctl_get_ascii(req, "arg0");
1176 gp = find_geom(classp, s);
1178 errx(EXIT_FAILURE, "No such geom: %s.", s);
1179 s = find_geomcfg(gp, "scheme");
1181 if (strcmp(s, "VTOC8") == 0)
1184 if (gctl_has_param(req, GPART_PARAM_PARTCODE)) {
1185 s = gctl_get_ascii(req, GPART_PARAM_PARTCODE);
1186 partsize = vtoc8 != 0 ? VTOC_BOOTSIZE : bootsize * 1024;
1187 partcode = gpart_bootfile_read(s, &partsize);
1188 error = gctl_delete_param(req, GPART_PARAM_PARTCODE);
1190 errc(EXIT_FAILURE, error, "internal error");
1196 if (gctl_has_param(req, GPART_PARAM_INDEX)) {
1197 if (partcode == NULL)
1198 errx(EXIT_FAILURE, "-i is only valid with -p");
1199 idx = (int)gctl_get_intmax(req, GPART_PARAM_INDEX);
1201 errx(EXIT_FAILURE, "invalid partition index");
1202 error = gctl_delete_param(req, GPART_PARAM_INDEX);
1204 errc(EXIT_FAILURE, error, "internal error");
1208 if (partcode != NULL) {
1211 errx(EXIT_FAILURE, "missing -i option");
1212 gpart_write_partcode(gp, idx, partcode, partsize);
1214 if (partsize != VTOC_BOOTSIZE)
1215 errx(EXIT_FAILURE, "invalid bootcode");
1216 gpart_write_partcode_vtoc8(gp, idx, partcode);
1219 if (bootcode == NULL)
1220 errx(EXIT_FAILURE, "no -b nor -p");
1222 if (bootcode != NULL)
1223 gpart_issue(req, fl);
1225 geom_deletetree(&mesh);
1229 gpart_print_error(const char *errstr)
1234 error = strtol(errstr, &errmsg, 0);
1235 if (errmsg != errstr) {
1236 while (errmsg[0] == ' ')
1238 if (errmsg[0] != '\0')
1239 warnc(error, "%s", errmsg);
1243 warnx("%s", errmsg);
1247 gpart_issue(struct gctl_req *req, unsigned int fl __unused)
1253 if (gctl_get_int(req, "nargs") != 1)
1254 errx(EXIT_FAILURE, "Invalid number of arguments.");
1255 (void)gctl_delete_param(req, "nargs");
1257 /* autofill parameters (if applicable). */
1258 error = gpart_autofill(req);
1260 warnc(error, "autofill");
1261 status = EXIT_FAILURE;
1265 bzero(buf, sizeof(buf));
1266 gctl_rw_param(req, "output", sizeof(buf), buf);
1267 errstr = gctl_issue(req);
1268 if (errstr == NULL || errstr[0] == '\0') {
1271 status = EXIT_SUCCESS;
1275 gpart_print_error(errstr);
1276 status = EXIT_FAILURE;