2 * Copyright (c) 2017-2018 Netflix, Inc.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer
9 * in this position and unchanged.
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 AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 #include <sys/cdefs.h>
27 __FBSDID("$FreeBSD$");
31 #include <sys/param.h>
51 #include <geom/geom.h>
52 #include <geom/geom_ctl.h>
53 #include <geom/geom_int.h>
58 #include <efivar-dp.h>
60 #ifndef LOAD_OPTION_ACTIVE
61 #define LOAD_OPTION_ACTIVE 0x00000001
64 #ifndef LOAD_OPTION_CATEGORY_BOOT
65 #define LOAD_OPTION_CATEGORY_BOOT 0x00000000
68 #define BAD_LENGTH ((size_t)-1)
70 #define EFI_OS_INDICATIONS_BOOT_TO_FW_UI 0x0000000000000001
72 typedef struct _bmgr_opts {
104 static struct option lopts[] = {
105 {"activate", no_argument, NULL, 'a'},
106 {"bootnext", no_argument, NULL, 'n'}, /* set bootnext */
107 {"bootnum", required_argument, NULL, 'b'},
108 {"bootorder", required_argument, NULL, 'o'}, /* set order */
109 {"copy", required_argument, NULL, 'C'}, /* Copy boot method */
110 {"create", no_argument, NULL, 'c'},
111 {"deactivate", no_argument, NULL, 'A'},
112 {"del-timeout", no_argument, NULL, 'T'},
113 {"delete", no_argument, NULL, 'B'},
114 {"delete-bootnext", no_argument, NULL, 'N'},
115 {"device-path", no_argument, NULL, 'd'},
116 {"dry-run", no_argument, NULL, 'D'},
117 {"env", required_argument, NULL, 'e'},
118 {"esp", no_argument, NULL, 'E'},
119 {"efidev", required_argument, NULL, 'u'},
120 {"fw-ui", no_argument, NULL, 'f'},
121 {"no-fw-ui", no_argument, NULL, 'F'},
122 {"help", no_argument, NULL, 'h'},
123 {"kernel", required_argument, NULL, 'k'},
124 {"label", required_argument, NULL, 'L'},
125 {"loader", required_argument, NULL, 'l'},
126 {"once", no_argument, NULL, 'O'},
127 {"set-timeout", required_argument, NULL, 't'},
128 {"unix-path", no_argument, NULL, 'p'},
129 {"verbose", no_argument, NULL, 'v'},
133 /* global efibootmgr opts */
134 static bmgr_opts_t opts;
136 static LIST_HEAD(efivars_head, entry) efivars =
137 LIST_HEAD_INITIALIZER(efivars);
150 LIST_ENTRY(entry) entries;
153 #define MAX_DP_LEN 4096
154 #define MAX_LOADOPT_LEN 8192
158 mangle_loader(char *loader)
162 for (c = loader; *c; c++)
170 #define COMMON_ATTRS EFI_VARIABLE_NON_VOLATILE | \
171 EFI_VARIABLE_BOOTSERVICE_ACCESS | \
172 EFI_VARIABLE_RUNTIME_ACCESS
175 * We use global guid, and common var attrs and
176 * find it better to just delete and re-create a var.
179 set_bootvar(const char *name, uint8_t *data, size_t size)
182 return efi_set_variable(EFI_GLOBAL_GUID, name, data, size,
188 " [-aAnB -b bootnum] [-N] [-t timeout] [-T] [-o bootorder] [-O] [--verbose] [--help]\n\
189 [-c -l loader [-k kernel] [-L label] [--dry-run] [-b bootnum]]"
191 #define CREATE_USAGE \
192 " efibootmgr -c -l loader [-k kernel] [-L label] [--dry-run] [-b bootnum] [-a]"
193 #define ORDER_USAGE \
194 " efibootmgr -o bootvarnum1,bootvarnum2,..."
195 #define TIMEOUT_USAGE \
196 " efibootmgr -t seconds"
197 #define DELETE_USAGE \
198 " efibootmgr -B -b bootnum"
199 #define ACTIVE_USAGE \
200 " efibootmgr [-a | -A] -b bootnum"
201 #define BOOTNEXT_USAGE \
202 " efibootmgr [-n | -N] -b bootnum"
205 parse_args(int argc, char *argv[])
209 while ((ch = getopt_long(argc, argv, "AaBb:C:cdDe:EFfhk:L:l:NnOo:pTt:v",
210 lopts, NULL)) != -1) {
213 opts.set_inactive = true;
216 opts.set_active = true;
219 opts.has_bootnum = true;
220 opts.bootnum = strtoul(optarg, NULL, 16);
227 opts.cp_src = strtoul(optarg, NULL, 16);
231 case 'D': /* should be remove dups XXX */
235 opts.device_path = true;
239 opts.env = strdup(optarg);
242 opts.esp_device = true;
245 opts.no_fw_ui = true;
252 errx(1, "%s", USAGE);
256 opts.kernel = strdup(optarg);
260 opts.label = strdup(optarg);
264 opts.loader = strdup(optarg);
265 opts.loader = mangle_loader(opts.loader);
268 opts.delete_bootnext = true;
271 opts.set_bootnext = true;
278 opts.order = strdup(optarg);
281 opts.unix_path = true;
284 opts.del_timeout = true;
287 opts.set_timeout = true;
288 opts.timeout = strtoul(optarg, NULL, 10);
291 opts.find_dev = true;
292 opts.dev = strdup(optarg);
300 errx(1, "%s",CREATE_USAGE);
304 if (opts.order != NULL && *opts.order == '\0')
305 errx(1, "%s", ORDER_USAGE);
307 if ((opts.set_inactive || opts.set_active) && !opts.has_bootnum)
308 errx(1, "%s", ACTIVE_USAGE);
310 if (opts.delete && !opts.has_bootnum)
311 errx(1, "%s", DELETE_USAGE);
313 if (opts.set_bootnext && !opts.has_bootnum)
314 errx(1, "%s", BOOTNEXT_USAGE);
323 char *next_name = NULL;
329 while ((ret = efi_get_next_variable_name(&guid, &next_name)) > 0) {
331 * Only pay attention to EFI:BootXXXX variables to get the list.
333 if (efi_guid_cmp(guid, &EFI_GLOBAL_GUID) != 0 ||
334 strlen(next_name) != 8 ||
335 strncmp(next_name, "Boot", 4) != 0 ||
336 !isxdigit(next_name[4]) ||
337 !isxdigit(next_name[5]) ||
338 !isxdigit(next_name[6]) ||
339 !isxdigit(next_name[7]))
341 nent = malloc(sizeof(struct entry));
342 nent->name = strdup(next_name);
344 ret = efi_get_variable(*guid, next_name, &nent->data,
345 &nent->size, &nent->attrs);
347 err(1, "efi_get_variable");
349 nent->idx = strtoul(&next_name[4], NULL, 16);
350 LIST_INSERT_HEAD(&efivars, nent, entries);
356 set_boot_order(char *order)
370 size = sizeof(uint16_t) * cnt;
371 new_data = malloc(size);
375 while ((next = strsep(&cp, ",")) != NULL) {
376 new_data[i] = strtoul(next, NULL, 16);
377 if (new_data[i] == 0 && errno == EINVAL) {
378 warnx("can't parse %s as a numb", next);
379 errx(1, "%s", ORDER_USAGE);
384 if (set_bootvar("BootOrder", (uint8_t*)new_data, size) < 0)
385 err(1, "Unabke to set BootOrder to %s", order);
390 handle_activity(int bootnum, bool active)
392 uint32_t attrs, load_attrs;
397 asprintf(&name, "%s%04X", "Boot", bootnum);
400 if (efi_get_variable(EFI_GLOBAL_GUID, name, &data, &size, &attrs) < 0)
401 err(1, "No such bootvar %s\n", name);
403 load_attrs = le32dec(data);
406 load_attrs |= LOAD_OPTION_ACTIVE;
408 load_attrs &= ~LOAD_OPTION_ACTIVE;
410 le32enc(data, load_attrs);
412 if (set_bootvar(name, data, size) < 0)
413 err(1, "handle activity efi_set_variable");
418 * add boot var to boot order.
419 * called by create boot var. There is no option
420 * to add one independent of create.
422 * Note: we currently don't support where it goes
423 * so it goes on the front, inactive.
424 * use -o 2,3,7 etc to affect order, -a to activate.
427 add_to_boot_order(char *bootvar)
434 val = strtoul(&bootvar[4], NULL, 16);
436 if (efi_get_variable(EFI_GLOBAL_GUID, "BootOrder", &data, &size, &attrs) < 0) {
437 if (errno == ENOENT) { /* create it and set this bootvar to active */
441 err(1, "efi_get_variable BootOrder");
445 * We have BootOrder with the current order
446 * so grow the array by one, add the value
447 * and write the new variable value.
449 size += sizeof(uint16_t);
455 if (size > sizeof(uint16_t))
456 memcpy(new + sizeof(uint16_t), data, size - sizeof(uint16_t));
458 if (set_bootvar("BootOrder", new, size) < 0)
459 err(1, "set_bootvar");
465 remove_from_order(uint16_t bootnum)
471 if (efi_get_variable(EFI_GLOBAL_GUID, "BootOrder", &data, &size, &attrs) < 0)
478 for (j = i = 0; i < size; i += sizeof(uint16_t)) {
479 if (le16dec(data + i) == bootnum)
481 memcpy(new + j, data + i, sizeof(uint16_t));
482 j += sizeof(uint16_t);
485 warnx("Boot variable %04x not in BootOrder", bootnum);
486 else if (set_bootvar("BootOrder", new, j) < 0)
487 err(1, "Unable to update BootOrder with new value");
493 delete_bootvar(int bootnum)
499 * Try to delete the boot variable and remocve it
500 * from the boot order. We always do both actions
501 * to make it easy to clean up from oopses.
503 if (bootnum < 0 || bootnum > 0xffff)
504 errx(1, "Bad boot variable %#x", bootnum);
505 asprintf(&name, "%s%04X", "Boot", bootnum);
508 printf("Removing boot variable '%s'\n", name);
509 if (efi_del_variable(EFI_GLOBAL_GUID, name) < 0) {
511 warn("cannot delete variable %s", name);
513 printf("Removing 0x%x from BootOrder\n", bootnum);
514 remove_from_order(bootnum);
525 if (efi_del_variable(EFI_GLOBAL_GUID, "BootNext") < 0)
526 err(1, "efi_del_variable");
530 handle_bootnext(uint16_t bootnum)
534 le16enc(&num, bootnum);
535 if (set_bootvar("BootNext", (uint8_t*)&bootnum, sizeof(uint16_t)) < 0)
536 err(1, "set_bootvar");
541 compare(const void *a, const void *b)
546 memcpy(&c, a, sizeof(uint16_t));
547 memcpy(&d, b, sizeof(uint16_t));
557 make_next_boot_var_name(void)
560 uint16_t *vals, next_free = 0;
565 LIST_FOREACH(v, &efivars, entries) {
569 vals = malloc(sizeof(uint16_t) * cnt);
574 LIST_FOREACH(v, &efivars, entries) {
577 qsort(vals, cnt, sizeof(uint16_t), compare);
578 /* if the hole is at the beginning, just return zero */
582 /* now just run the list looking for the first hole */
583 for (i = 0; i < cnt - 1 && next_free == 0; i++)
584 if (vals[i] + 1 != vals[i + 1])
585 next_free = vals[i] + 1;
587 next_free = vals[cnt - 1] + 1;
588 /* In theory we could have used all 65k slots -- what to do? */
592 asprintf(&name, "%s%04X", "Boot", next_free);
599 make_boot_var_name(uint16_t bootnum)
604 LIST_FOREACH(v, &efivars, entries) {
605 if (v->idx == bootnum)
609 asprintf(&name, "%s%04X", "Boot", bootnum);
616 create_loadopt(uint8_t *buf, size_t bufmax, uint32_t attributes, efidp dp, size_t dp_size,
617 const char *description, const uint8_t *optional_data, size_t optional_data_size)
619 efi_char *bbuf = NULL;
624 if (optional_data == NULL && optional_data_size != 0)
626 if (dp == NULL && dp_size != 0)
630 * Compute the length to make sure the passed in buffer is long enough.
632 utf8_to_ucs2(description, &bbuf, &desc_len);
633 len = sizeof(uint32_t) + sizeof(uint16_t) + desc_len + dp_size + optional_data_size;
639 le32enc(pos, attributes);
640 pos += sizeof (attributes);
642 le16enc(pos, dp_size);
643 pos += sizeof (uint16_t);
645 memcpy(pos, bbuf, desc_len); /* NB:desc_len includes strailing NUL */
649 memcpy(pos, dp, dp_size);
652 if (optional_data && optional_data_size > 0) {
653 memcpy(pos, optional_data, optional_data_size);
654 pos += optional_data_size;
662 make_boot_var(const char *label, const char *loader, const char *kernel, const char *env, bool dry_run,
663 int bootnum, bool activate)
665 struct entry *new_ent;
666 uint32_t load_attrs = 0;
667 uint8_t *load_opt_buf;
668 size_t lopt_size, llen, klen;
669 efidp dp, loaderdp, kerneldp;
670 char *bootvar = NULL;
673 assert(label != NULL);
676 bootvar = make_next_boot_var_name();
678 bootvar = make_boot_var_name((uint16_t)bootnum);
680 err(1, "bootvar creation");
682 errx(1, "Must specify boot loader");
683 ret = efivar_unix_path_to_device_path(loader, &loaderdp);
685 errc(1, ret, "Cannot translate unix loader path '%s' to UEFI",
687 if (kernel != NULL) {
688 ret = efivar_unix_path_to_device_path(kernel, &kerneldp);
691 "Cannot translate unix kernel path '%s' to UEFI",
696 llen = efidp_size(loaderdp);
697 if (llen > MAX_DP_LEN)
698 errx(1, "Loader path too long.");
699 klen = efidp_size(kerneldp);
700 if (klen > MAX_DP_LEN)
701 errx(1, "Kernel path too long.");
702 dp = malloc(llen + klen);
704 errx(1, "Can't allocate memory for new device paths");
705 memcpy(dp, loaderdp, llen);
706 if (kerneldp != NULL)
707 memcpy((char *)dp + llen, kerneldp, klen);
709 /* don't make the new bootvar active by default, use the -a option later */
710 load_attrs = LOAD_OPTION_CATEGORY_BOOT;
712 load_attrs |= LOAD_OPTION_ACTIVE;
713 load_opt_buf = malloc(MAX_LOADOPT_LEN);
714 if (load_opt_buf == NULL)
717 lopt_size = create_loadopt(load_opt_buf, MAX_LOADOPT_LEN, load_attrs,
718 dp, llen + klen, label, env, env ? strlen(env) + 1 : 0);
719 if (lopt_size == BAD_LENGTH)
720 errx(1, "Can't create loadopt");
724 ret = efi_set_variable(EFI_GLOBAL_GUID, bootvar,
725 (uint8_t*)load_opt_buf, lopt_size, COMMON_ATTRS);
729 err(1, "efi_set_variable");
732 add_to_boot_order(bootvar); /* first, still not active */
733 new_ent = malloc(sizeof(struct entry));
736 memset(new_ent, 0, sizeof(struct entry));
737 new_ent->name = bootvar;
738 new_ent->guid = EFI_GLOBAL_GUID;
739 LIST_INSERT_HEAD(&efivars, new_ent, entries);
748 print_loadopt_str(uint8_t *data, size_t datalen)
750 char *dev, *relpath, *abspath;
754 uint8_t *ep = data + datalen;
755 uint8_t *walker = data;
762 if (datalen < sizeof(attr) + sizeof(fplen) + sizeof(efi_char))
764 // First 4 bytes are attribute flags
765 attr = le32dec(walker);
766 walker += sizeof(attr);
767 // Next two bytes are length of the file paths
768 fplen = le16dec(walker);
769 walker += sizeof(fplen);
770 // Next we have a 0 terminated UCS2 string that we know to be aligned
771 descr = (efi_char *)(intptr_t)(void *)walker;
772 len = ucs2len(descr); // XXX need to sanity check that len < (datalen - (ep - walker) / 2)
773 walker += (len + 1) * sizeof(efi_char);
776 // Now we have fplen bytes worth of file path stuff
783 * Everything left is the binary option args
785 * optlen = ep - walker;
789 efidp_format_device_path(buf, sizeof(buf), dp,
790 (intptr_t)(void *)edp - (intptr_t)(void *)dp);
791 printf("%*s%s\n", indent, "", buf);
792 indent = 10 + len + 1;
793 rv = efivar_device_path_to_unix_path(dp, &dev, &relpath, &abspath);
795 printf("%*s%s:%s %s\n", indent + 4, "", dev, relpath, abspath);
800 dp = (efidp)((char *)dp + efidp_size(dp));
805 get_descr(uint8_t *data)
813 pos += sizeof(uint32_t) + sizeof(uint16_t);
814 desc = (efi_char*)(intptr_t)(void *)pos;
816 buf = malloc(len + 1);
817 memset(buf, 0, len + 1);
827 print_boot_var(const char *name, bool verbose, bool curboot)
835 ret = efi_get_variable(EFI_GLOBAL_GUID, name, &data, &size, NULL);
838 load_attrs = le32dec(data);
840 printf("%c%s%c %s", curboot ? '+' : ' ', name,
841 ((load_attrs & LOAD_OPTION_ACTIVE) ? '*': ' '), d);
844 print_loadopt_str(data, size);
852 os_indication_supported(uint64_t indication)
859 ret = efi_get_variable(EFI_GLOBAL_GUID, "OsIndicationsSupported", &data,
863 return (le64dec(data) & indication) == indication;
874 ret = efi_get_variable(EFI_GLOBAL_GUID, "OsIndications", &data, &size,
878 return le64dec(data);
882 os_indications_set(uint64_t mask, uint64_t val)
884 uint8_t new[sizeof(uint64_t)];
886 le64enc(&new, (os_indications() & ~mask) | (val & mask));
887 return set_bootvar("OsIndications", new, sizeof(new));
890 /* Cmd epilogue, or just the default with no args.
891 * The order is [bootnext] bootcurrent, timeout, order, and the bootvars [-v]
894 print_boot_vars(bool verbose)
897 * just read and print the current values
898 * as a command epilogue
905 uint16_t *boot_order = NULL, current;
908 if (os_indication_supported(EFI_OS_INDICATIONS_BOOT_TO_FW_UI)) {
910 (os_indications() & EFI_OS_INDICATIONS_BOOT_TO_FW_UI) != 0;
911 printf("Boot to FW : %s\n", boot_to_fw_ui != 0 ?
915 ret = efi_get_variable(EFI_GLOBAL_GUID, "BootNext", &data, &size, &attrs);
917 printf("BootNext : %04x\n", le16dec(data));
920 ret = efi_get_variable(EFI_GLOBAL_GUID, "BootCurrent", &data, &size,&attrs);
921 current = le16dec(data);
922 printf("BootCurrent: %04x\n", current);
924 ret = efi_get_variable(EFI_GLOBAL_GUID, "Timeout", &data, &size, &attrs);
926 printf("Timeout : %d seconds\n", le16dec(data));
929 if (efi_get_variable(EFI_GLOBAL_GUID, "BootOrder", &data, &size, &attrs) > 0) {
931 warn("Bad BootOrder variable: odd length %d", (int)size);
932 boot_order = malloc(size);
934 printf("BootOrder : ");
935 for (size_t i = 0; i < size; i += 2) {
936 boot_order[i / 2] = le16dec(data + i);
937 printf("%04X%s", boot_order[i / 2], i == size - 2 ? "\n" : ", ");
941 if (boot_order == NULL) {
943 * now we want to fetch 'em all fresh again
944 * which possibly includes a newly created bootvar
946 LIST_FOREACH(v, &efivars, entries) {
947 print_boot_var(v->name, verbose, v->idx == current);
950 LIST_FOREACH(v, &efivars, entries) {
953 for (int i = 0; i < bolen; i++) {
956 snprintf(buffer, sizeof(buffer), "Boot%04X", boot_order[i]);
957 if (!print_boot_var(buffer, verbose, boot_order[i] == current))
958 printf("%s: MISSING!\n", buffer);
959 LIST_FOREACH(v, &efivars, entries) {
960 if (v->idx == boot_order[i]) {
967 printf("\n\nUnreferenced Variables:\n");
968 LIST_FOREACH(v, &efivars, entries) {
970 print_boot_var(v->name, verbose, v->idx == current);
981 efi_del_variable(EFI_GLOBAL_GUID,"Timeout");
985 handle_timeout(int to)
989 le16enc(&timeout, to);
990 if (set_bootvar("Timeout", (uint8_t *)&timeout, sizeof(timeout)) < 0)
991 errx(1, "Can't set Timeout for booting.");
995 report_esp_device(bool do_dp, bool do_unix)
1001 uint16_t current, fplen;
1002 char *name, *dev, *relpath, *abspath;
1003 uint8_t *walker, *ep;
1008 if (do_dp && do_unix)
1009 errx(1, "Can't report both UEFI device-path and Unix path together");
1011 ret = efi_get_variable(EFI_GLOBAL_GUID, "BootCurrent", &data, &size,&attrs);
1013 err(1, "Can't get BootCurrent");
1014 current = le16dec(data);
1015 if (asprintf(&name, "Boot%04X", current) < 0)
1016 err(1, "Can't format boot var\n");
1017 if (efi_get_variable(EFI_GLOBAL_GUID, name, &data, &size, NULL) < 0)
1018 err(1, "Can't retrieve EFI var %s", name);
1019 // First 4 bytes are attribute flags
1022 walker += sizeof(uint32_t);
1023 // Next two bytes are length of the file paths
1024 fplen = le16dec(walker);
1025 walker += sizeof(fplen);
1026 // Next we have a 0 terminated UCS2 string that we know to be aligned
1027 descr = (efi_char *)(intptr_t)(void *)walker;
1028 len = ucs2len(descr); // XXX need to sanity check that len < (datalen - (ep - walker) / 2)
1029 walker += (len + 1) * sizeof(efi_char);
1031 errx(1, "malformed boot variable %s", name);
1032 // Now we have fplen bytes worth of file path stuff
1036 errx(1, "malformed boot variable %s", name);
1038 efidp_format_device_path_node(buf, sizeof(buf), dp);
1039 printf("%s\n", buf);
1042 if (efivar_device_path_to_unix_path(dp, &dev, &relpath, &abspath) != 0)
1043 errx(1, "Can't convert to unix path");
1045 if (abspath == NULL)
1046 errx(1, "Can't find where %s:%s is mounted",
1048 abspath[strlen(abspath) - strlen(relpath) - 1] = '\0';
1049 printf("%s\n", abspath);
1051 printf("%s\n", dev);
1060 set_boot_to_fw_ui(bool to_fw)
1064 if (!os_indication_supported(EFI_OS_INDICATIONS_BOOT_TO_FW_UI)) {
1066 errx(1, "boot to fw ui not supported");
1070 ret = os_indications_set(EFI_OS_INDICATIONS_BOOT_TO_FW_UI,
1073 errx(1, "failed to set boot to fw ui");
1077 find_efi_device(const char *path)
1084 ret = efivar_unix_path_to_device_path(path, &dp);
1087 "Cannot translate path '%s' to UEFI", path);
1088 len = efidp_size(dp);
1089 if (len > MAX_DP_LEN)
1090 errx(1, "Resulting device path too long.");
1091 efidp_format_device_path(buf, sizeof(buf), dp, len);
1092 printf("%s -> %s\n", path, buf);
1097 main(int argc, char *argv[])
1100 memset(&opts, 0, sizeof (bmgr_opts_t));
1101 parse_args(argc, argv);
1104 * find_dev can operate without any efi variables
1106 if (!efi_variables_supported() && !opts.find_dev)
1107 errx(1, "efi variables not supported on this system. root? kldload efirt?");
1113 * side effect, adds to boot order, but not yet active.
1115 make_boot_var(opts.label ? opts.label : "",
1116 opts.loader, opts.kernel, opts.env, opts.dry_run,
1117 opts.has_bootnum ? opts.bootnum : -1, opts.set_active);
1118 else if (opts.set_active || opts.set_inactive )
1119 handle_activity(opts.bootnum, opts.set_active);
1120 else if (opts.order != NULL)
1121 set_boot_order(opts.order); /* create a new bootorder with opts.order */
1122 else if (opts.set_bootnext)
1123 handle_bootnext(opts.bootnum);
1124 else if (opts.delete_bootnext)
1126 else if (opts.delete)
1127 delete_bootvar(opts.bootnum);
1128 else if (opts.del_timeout)
1130 else if (opts.set_timeout)
1131 handle_timeout(opts.timeout);
1132 else if (opts.esp_device)
1133 report_esp_device(opts.device_path, opts.unix_path);
1134 else if (opts.fw_ui)
1135 set_boot_to_fw_ui(true);
1136 else if (opts.no_fw_ui)
1137 set_boot_to_fw_ui(false);
1138 else if (opts.find_dev)
1139 find_efi_device(opts.dev);
1141 print_boot_vars(opts.verbose);