11285bcc8SWarner Losh /*- 21285bcc8SWarner Losh * Copyright (c) 2017 Netflix, Inc. 31285bcc8SWarner Losh * All rights reserved. 41285bcc8SWarner Losh * 51285bcc8SWarner Losh * Redistribution and use in source and binary forms, with or without 61285bcc8SWarner Losh * modification, are permitted provided that the following conditions 71285bcc8SWarner Losh * are met: 81285bcc8SWarner Losh * 1. Redistributions of source code must retain the above copyright 91285bcc8SWarner Losh * notice, this list of conditions and the following disclaimer 101285bcc8SWarner Losh * in this position and unchanged. 111285bcc8SWarner Losh * 2. Redistributions in binary form must reproduce the above copyright 121285bcc8SWarner Losh * notice, this list of conditions and the following disclaimer in the 131285bcc8SWarner Losh * documentation and/or other materials provided with the distribution. 141285bcc8SWarner Losh * 151285bcc8SWarner Losh * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 161285bcc8SWarner Losh * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 171285bcc8SWarner Losh * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 181285bcc8SWarner Losh * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 191285bcc8SWarner Losh * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 201285bcc8SWarner Losh * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 211285bcc8SWarner Losh * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 221285bcc8SWarner Losh * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 231285bcc8SWarner Losh * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 241285bcc8SWarner Losh * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 251285bcc8SWarner Losh */ 261285bcc8SWarner Losh 271285bcc8SWarner Losh #include <sys/cdefs.h> 281285bcc8SWarner Losh __FBSDID("$FreeBSD$"); 291285bcc8SWarner Losh 301285bcc8SWarner Losh #include <sys/stat.h> 311285bcc8SWarner Losh #include <sys/vtoc.h> 321285bcc8SWarner Losh #include <sys/param.h> 331285bcc8SWarner Losh #include <assert.h> 341285bcc8SWarner Losh #include <ctype.h> 351285bcc8SWarner Losh #include <err.h> 361285bcc8SWarner Losh #include <errno.h> 371285bcc8SWarner Losh #include <fcntl.h> 381285bcc8SWarner Losh #include <libgeom.h> 391285bcc8SWarner Losh #include <paths.h> 401285bcc8SWarner Losh #include <signal.h> 411285bcc8SWarner Losh #include <stdint.h> 421285bcc8SWarner Losh #include <stdio.h> 431285bcc8SWarner Losh #include <stdlib.h> 441285bcc8SWarner Losh #include <getopt.h> 451285bcc8SWarner Losh #include <limits.h> 461285bcc8SWarner Losh #include <inttypes.h> 471285bcc8SWarner Losh #include <stdbool.h> 481285bcc8SWarner Losh #include <string.h> 491285bcc8SWarner Losh #include <strings.h> 501285bcc8SWarner Losh #include <unistd.h> 511285bcc8SWarner Losh #include <libgeom.h> 521285bcc8SWarner Losh #include <geom/geom.h> 531285bcc8SWarner Losh #include <geom/geom_ctl.h> 541285bcc8SWarner Losh #include <geom/geom_int.h> 551285bcc8SWarner Losh 561285bcc8SWarner Losh #include <efivar.h> 571285bcc8SWarner Losh #include <efiutil.h> 581285bcc8SWarner Losh #include <efichar.h> 591285bcc8SWarner Losh #include <efivar-dp.h> 601285bcc8SWarner Losh 611285bcc8SWarner Losh #ifndef LOAD_OPTION_ACTIVE 621285bcc8SWarner Losh #define LOAD_OPTION_ACTIVE 0x00000001 631285bcc8SWarner Losh #endif 641285bcc8SWarner Losh 651285bcc8SWarner Losh #ifndef LOAD_OPTION_CATEGORY_BOOT 661285bcc8SWarner Losh #define LOAD_OPTION_CATEGORY_BOOT 0x00000000 671285bcc8SWarner Losh #endif 681285bcc8SWarner Losh 691285bcc8SWarner Losh #define BAD_LENGTH ((size_t)-1) 701285bcc8SWarner Losh 711285bcc8SWarner Losh typedef struct _bmgr_opts { 721285bcc8SWarner Losh char *env; 731285bcc8SWarner Losh char *loader; 741285bcc8SWarner Losh char *label; 751285bcc8SWarner Losh char *kernel; 761285bcc8SWarner Losh char *name; 771285bcc8SWarner Losh char *order; 781285bcc8SWarner Losh int bootnum; 791285bcc8SWarner Losh bool copy; 801285bcc8SWarner Losh bool create; 811285bcc8SWarner Losh bool delete; 821285bcc8SWarner Losh bool delete_bootnext; 831285bcc8SWarner Losh bool del_timeout; 841285bcc8SWarner Losh bool dry_run; 851285bcc8SWarner Losh bool once; 861285bcc8SWarner Losh int cp_src; 871285bcc8SWarner Losh bool set_active; 881285bcc8SWarner Losh bool set_bootnext; 891285bcc8SWarner Losh bool set_inactive; 901285bcc8SWarner Losh bool set_timeout; 911285bcc8SWarner Losh int timeout; 921285bcc8SWarner Losh bool verbose; 931285bcc8SWarner Losh } bmgr_opts_t; 941285bcc8SWarner Losh 951285bcc8SWarner Losh static struct option lopts[] = { 961285bcc8SWarner Losh {"activate", required_argument, NULL, 'a'}, 971285bcc8SWarner Losh {"bootnext", required_argument, NULL, 'n'}, /* set bootnext */ 981285bcc8SWarner Losh {"bootorder", required_argument, NULL, 'o'}, /* set order */ 991285bcc8SWarner Losh {"copy", required_argument, NULL, 'C'}, /* Copy boot method */ 1001285bcc8SWarner Losh {"create", no_argument, NULL, 'c'}, 1011285bcc8SWarner Losh {"deactivate", required_argument, NULL, 'A'}, 1021285bcc8SWarner Losh {"del-timout", no_argument, NULL, 'T'}, 1031285bcc8SWarner Losh {"delete", required_argument, NULL, 'B'}, 1041285bcc8SWarner Losh {"delete-bootnext", required_argument, NULL, 'N'}, 1051285bcc8SWarner Losh {"device", required_argument, NULL, 'd'}, 1061285bcc8SWarner Losh {"dry-run", no_argument, NULL, 'D'}, 1071285bcc8SWarner Losh {"env", required_argument, NULL, 'e'}, 1081285bcc8SWarner Losh {"help", no_argument, NULL, 'h'}, 1091285bcc8SWarner Losh {"kernel", required_argument, NULL, 'k'}, 1101285bcc8SWarner Losh {"label", required_argument, NULL, 'L'}, 1111285bcc8SWarner Losh {"loader", required_argument, NULL, 'l'}, 1121285bcc8SWarner Losh {"once", no_argument, NULL, 'O'}, 1131285bcc8SWarner Losh {"partition", required_argument, NULL, 'p'}, 1141285bcc8SWarner Losh {"set-timeout", required_argument, NULL, 't'}, 1151285bcc8SWarner Losh {"verbose", no_argument, NULL, 'v'}, 1161285bcc8SWarner Losh { NULL, 0, NULL, 0} 1171285bcc8SWarner Losh }; 1181285bcc8SWarner Losh 1191285bcc8SWarner Losh /* global efibootmgr opts */ 1201285bcc8SWarner Losh static bmgr_opts_t opts; 1211285bcc8SWarner Losh 1221285bcc8SWarner Losh static LIST_HEAD(efivars_head, entry) efivars = 1231285bcc8SWarner Losh LIST_HEAD_INITIALIZER(efivars); 1241285bcc8SWarner Losh 1251285bcc8SWarner Losh struct entry { 1261285bcc8SWarner Losh efi_guid_t guid; 1271285bcc8SWarner Losh uint32_t attrs; 1281285bcc8SWarner Losh uint8_t *data; 1291285bcc8SWarner Losh size_t size; 1301285bcc8SWarner Losh char *name; 1311285bcc8SWarner Losh char *label; 1321285bcc8SWarner Losh int idx; 1331285bcc8SWarner Losh int part; 1341285bcc8SWarner Losh 1351285bcc8SWarner Losh LIST_ENTRY(entry) entries; 1361285bcc8SWarner Losh }; 1371285bcc8SWarner Losh 1381285bcc8SWarner Losh #define MAX_DP_LEN 4096 1391285bcc8SWarner Losh #define MAX_LOADOPT_LEN 8192 1401285bcc8SWarner Losh 1411285bcc8SWarner Losh 1421285bcc8SWarner Losh static char * 1431285bcc8SWarner Losh mangle_loader(char *loader) 1441285bcc8SWarner Losh { 1451285bcc8SWarner Losh char *c; 1461285bcc8SWarner Losh 1471285bcc8SWarner Losh for (c = loader; *c; c++) 1481285bcc8SWarner Losh if (*c == '/') 1491285bcc8SWarner Losh *c = '\\'; 1501285bcc8SWarner Losh 1511285bcc8SWarner Losh return loader; 1521285bcc8SWarner Losh } 1531285bcc8SWarner Losh 1541285bcc8SWarner Losh 1551285bcc8SWarner Losh #define COMMON_ATTRS EFI_VARIABLE_NON_VOLATILE | \ 1561285bcc8SWarner Losh EFI_VARIABLE_BOOTSERVICE_ACCESS | \ 1571285bcc8SWarner Losh EFI_VARIABLE_RUNTIME_ACCESS 1581285bcc8SWarner Losh 1591285bcc8SWarner Losh /* 1601285bcc8SWarner Losh * We use global guid, and common var attrs and 1611285bcc8SWarner Losh * find it better to just delete and re-create a var. 1621285bcc8SWarner Losh */ 1631285bcc8SWarner Losh static int 1641285bcc8SWarner Losh set_bootvar(const char *name, uint8_t *data, size_t size) 1651285bcc8SWarner Losh { 1661285bcc8SWarner Losh 1671285bcc8SWarner Losh return efi_set_variable(EFI_GLOBAL_GUID, name, data, size, 1681285bcc8SWarner Losh COMMON_ATTRS); 1691285bcc8SWarner Losh } 1701285bcc8SWarner Losh 1711285bcc8SWarner Losh 1721285bcc8SWarner Losh #define USAGE \ 1731285bcc8SWarner Losh " [-aAnNB Bootvar] [-t timeout] [-T] [-o bootorder] [-O] [--verbose] [--help] \n\ 174af9d0c27SWarner Losh [-c -l loader [-k kernel ] [-L label] [--dry-run]]" 1751285bcc8SWarner Losh 1761285bcc8SWarner Losh #define CREATE_USAGE \ 177af9d0c27SWarner Losh " efibootmgr -c -l loader [-k kernel] [-L label] [--dry-run]" 1781285bcc8SWarner Losh #define ORDER_USAGE \ 1791285bcc8SWarner Losh " efibootmgr -o bootvarnum1,bootvarnum2,..." 1801285bcc8SWarner Losh #define TIMEOUT_USAGE \ 1811285bcc8SWarner Losh " efibootmgr -t seconds" 1821285bcc8SWarner Losh #define DELETE_USAGE \ 1831285bcc8SWarner Losh " efibootmgr -B bootvarnum" 1841285bcc8SWarner Losh #define ACTIVE_USAGE \ 1851285bcc8SWarner Losh " efibootmgr [-a | -A] bootvarnum" 1861285bcc8SWarner Losh #define BOOTNEXT_USAGE \ 1871285bcc8SWarner Losh " efibootmgr [-n | -N] bootvarnum" 1881285bcc8SWarner Losh 1891285bcc8SWarner Losh static void 1901285bcc8SWarner Losh parse_args(int argc, char *argv[]) 1911285bcc8SWarner Losh { 1921285bcc8SWarner Losh int ch; 1931285bcc8SWarner Losh 1941127aea3SWarner Losh while ((ch = getopt_long(argc, argv, "A:a:B:C:cDe:hk:L:l:Nn:Oo:Tt:v", 1951285bcc8SWarner Losh lopts, NULL)) != -1) { 1961285bcc8SWarner Losh switch (ch) { 1971285bcc8SWarner Losh case 'A': 1981285bcc8SWarner Losh opts.set_inactive = true; 1991285bcc8SWarner Losh opts.bootnum = strtoul(optarg, NULL, 16); 2001285bcc8SWarner Losh break; 2011285bcc8SWarner Losh case 'a': 2021285bcc8SWarner Losh opts.set_active = true; 2031285bcc8SWarner Losh opts.bootnum = strtoul(optarg, NULL, 16); 2041285bcc8SWarner Losh break; 2051285bcc8SWarner Losh case 'B': 2061285bcc8SWarner Losh opts.delete = true; 2071285bcc8SWarner Losh opts.bootnum = strtoul(optarg, NULL, 16); 2081285bcc8SWarner Losh break; 2091285bcc8SWarner Losh case 'C': 2101285bcc8SWarner Losh opts.copy = true; 2111285bcc8SWarner Losh opts.cp_src = strtoul(optarg, NULL, 16); 2121285bcc8SWarner Losh case 'c': 2131285bcc8SWarner Losh opts.create = true; 2141285bcc8SWarner Losh break; 2151285bcc8SWarner Losh case 'D': /* should be remove dups XXX */ 2161285bcc8SWarner Losh opts.dry_run = true; 2171285bcc8SWarner Losh break; 2181285bcc8SWarner Losh case 'e': 21963b56694SWarner Losh free(opts.env); 2201285bcc8SWarner Losh opts.env = strdup(optarg); 2211285bcc8SWarner Losh break; 2221285bcc8SWarner Losh case 'h': 2231285bcc8SWarner Losh default: 2241285bcc8SWarner Losh errx(1, "%s", USAGE); 2251285bcc8SWarner Losh break; 2261285bcc8SWarner Losh case 'k': 22763b56694SWarner Losh free(opts.kernel); 2281285bcc8SWarner Losh opts.kernel = strdup(optarg); 2291285bcc8SWarner Losh break; 2301285bcc8SWarner Losh case 'L': 23163b56694SWarner Losh free(opts.label); 2321285bcc8SWarner Losh opts.label = strdup(optarg); 2331285bcc8SWarner Losh break; 2341285bcc8SWarner Losh case 'l': 23563b56694SWarner Losh free(opts.loader); 2361285bcc8SWarner Losh opts.loader = strdup(optarg); 2371285bcc8SWarner Losh opts.loader = mangle_loader(opts.loader); 2381285bcc8SWarner Losh break; 2391285bcc8SWarner Losh case 'N': 2401285bcc8SWarner Losh opts.delete_bootnext = true; 2411285bcc8SWarner Losh break; 2421285bcc8SWarner Losh case 'n': 2431285bcc8SWarner Losh opts.set_bootnext = true; 2441285bcc8SWarner Losh opts.bootnum = strtoul(optarg, NULL, 16); 2451285bcc8SWarner Losh break; 2461285bcc8SWarner Losh case 'O': 2471285bcc8SWarner Losh opts.once = true; 2481285bcc8SWarner Losh break; 2491285bcc8SWarner Losh case 'o': 25063b56694SWarner Losh free(opts.order); 2511285bcc8SWarner Losh opts.order = strdup(optarg); 2521285bcc8SWarner Losh break; 2531285bcc8SWarner Losh case 'T': 2541285bcc8SWarner Losh opts.del_timeout = true; 2551285bcc8SWarner Losh break; 2561285bcc8SWarner Losh case 't': 2571285bcc8SWarner Losh opts.set_timeout = true; 2581285bcc8SWarner Losh opts.timeout = strtoul(optarg, NULL, 10); 2591285bcc8SWarner Losh break; 2601285bcc8SWarner Losh case 'v': 2611285bcc8SWarner Losh opts.verbose = true; 2621285bcc8SWarner Losh break; 2631285bcc8SWarner Losh } 2641285bcc8SWarner Losh } 2651285bcc8SWarner Losh if (opts.create) { 2661127aea3SWarner Losh if (!opts.loader) 2671285bcc8SWarner Losh errx(1, "%s",CREATE_USAGE); 2681285bcc8SWarner Losh return; 2691285bcc8SWarner Losh } 2701285bcc8SWarner Losh if (opts.set_bootnext && !(opts.bootnum)) 2711285bcc8SWarner Losh errx(1, "%s", BOOTNEXT_USAGE); 2721285bcc8SWarner Losh 2731285bcc8SWarner Losh if ((opts.set_active || opts.set_inactive) && !(opts.bootnum)) 2741285bcc8SWarner Losh errx(1, "%s", ACTIVE_USAGE); 2751285bcc8SWarner Losh 2761285bcc8SWarner Losh if (opts.order && !(opts.order)) 2771285bcc8SWarner Losh errx(1, "%s", ORDER_USAGE); 2781285bcc8SWarner Losh } 2791285bcc8SWarner Losh 2801285bcc8SWarner Losh 2811285bcc8SWarner Losh static void 2821285bcc8SWarner Losh read_vars(void) 2831285bcc8SWarner Losh { 2841285bcc8SWarner Losh 2851285bcc8SWarner Losh efi_guid_t *guid; 2861285bcc8SWarner Losh char *next_name = NULL; 2871285bcc8SWarner Losh int ret = 0; 2881285bcc8SWarner Losh 2891285bcc8SWarner Losh struct entry *nent; 2901285bcc8SWarner Losh 2911285bcc8SWarner Losh LIST_INIT(&efivars); 2921285bcc8SWarner Losh while ((ret = efi_get_next_variable_name(&guid, &next_name)) > 0) { 2931285bcc8SWarner Losh /* 294a3e6c4a6SWarner Losh * Only pay attention to EFI:BootXXXX variables to get the list. 2951285bcc8SWarner Losh */ 2961285bcc8SWarner Losh if (efi_guid_cmp(guid, &EFI_GLOBAL_GUID) != 0 || 2971285bcc8SWarner Losh strlen(next_name) != 8 || 2981285bcc8SWarner Losh strncmp(next_name, "Boot", 4) != 0 || 2991285bcc8SWarner Losh !isxdigit(next_name[4]) || 3001285bcc8SWarner Losh !isxdigit(next_name[5]) || 3011285bcc8SWarner Losh !isxdigit(next_name[6]) || 3021285bcc8SWarner Losh !isxdigit(next_name[7])) 3031285bcc8SWarner Losh continue; 3041285bcc8SWarner Losh nent = malloc(sizeof(struct entry)); 3051285bcc8SWarner Losh nent->name = strdup(next_name); 3061285bcc8SWarner Losh 3071285bcc8SWarner Losh ret = efi_get_variable(*guid, next_name, &nent->data, 3081285bcc8SWarner Losh &nent->size, &nent->attrs); 3091285bcc8SWarner Losh if (ret < 0) 3101285bcc8SWarner Losh err(1, "efi_get_variable"); 3111285bcc8SWarner Losh nent->guid = *guid; 3121285bcc8SWarner Losh nent->idx = strtoul(&next_name[4], NULL, 16); 3131285bcc8SWarner Losh LIST_INSERT_HEAD(&efivars, nent, entries); 3141285bcc8SWarner Losh } 3151285bcc8SWarner Losh } 3161285bcc8SWarner Losh 3171285bcc8SWarner Losh 3181285bcc8SWarner Losh static void 3191285bcc8SWarner Losh set_boot_order(char *order) 3201285bcc8SWarner Losh { 3211285bcc8SWarner Losh uint16_t *new_data; 3221285bcc8SWarner Losh size_t size; 3231285bcc8SWarner Losh char *next, *cp; 3241285bcc8SWarner Losh int cnt; 3251285bcc8SWarner Losh int i; 3261285bcc8SWarner Losh 3271285bcc8SWarner Losh cp = order; 3281285bcc8SWarner Losh cnt = 1; 3291285bcc8SWarner Losh while (*cp) { 3301285bcc8SWarner Losh if (*cp++ == ',') 3311285bcc8SWarner Losh cnt++; 3321285bcc8SWarner Losh } 3331285bcc8SWarner Losh size = sizeof(uint16_t) * cnt; 3341285bcc8SWarner Losh new_data = malloc(size); 3351285bcc8SWarner Losh 3361285bcc8SWarner Losh i = 0; 3371285bcc8SWarner Losh cp = strdup(order); 3381285bcc8SWarner Losh while ((next = strsep(&cp, ",")) != NULL) { 3391285bcc8SWarner Losh new_data[i] = strtoul(next, NULL, 16); 3401285bcc8SWarner Losh if (new_data[i] == 0 && errno == EINVAL) { 3411285bcc8SWarner Losh warnx("can't parse %s as a numb", next); 3421285bcc8SWarner Losh errx(1, "%s", ORDER_USAGE); 3431285bcc8SWarner Losh } 3441285bcc8SWarner Losh i++; 3451285bcc8SWarner Losh } 3461285bcc8SWarner Losh free(cp); 3471285bcc8SWarner Losh if (set_bootvar("BootOrder", (uint8_t*)new_data, size) < 0) 3481285bcc8SWarner Losh err(1, "Unabke to set BootOrder to %s", order); 3493af42ca7SWarner Losh free(new_data); 3501285bcc8SWarner Losh } 3511285bcc8SWarner Losh 3521285bcc8SWarner Losh static void 3531285bcc8SWarner Losh handle_activity(int bootnum, bool active) 3541285bcc8SWarner Losh { 3551285bcc8SWarner Losh uint32_t attrs, load_attrs; 3561285bcc8SWarner Losh uint8_t *data; 3571285bcc8SWarner Losh size_t size; 3581285bcc8SWarner Losh char *name; 3591285bcc8SWarner Losh 3601285bcc8SWarner Losh asprintf(&name, "%s%04X", "Boot", bootnum); 3611285bcc8SWarner Losh if (name == NULL) 3621285bcc8SWarner Losh err(1, "asprintf"); 3631285bcc8SWarner Losh if (efi_get_variable(EFI_GLOBAL_GUID, name, &data, &size, &attrs) < 0) 3641285bcc8SWarner Losh err(1, "No such bootvar %s\n", name); 3651285bcc8SWarner Losh 3661285bcc8SWarner Losh load_attrs = le32dec(data); 3671285bcc8SWarner Losh 3681285bcc8SWarner Losh if (active) 3691285bcc8SWarner Losh load_attrs |= LOAD_OPTION_ACTIVE; 3701285bcc8SWarner Losh else 3711285bcc8SWarner Losh load_attrs &= ~LOAD_OPTION_ACTIVE; 3721285bcc8SWarner Losh 3731285bcc8SWarner Losh le32enc(data, load_attrs); 3741285bcc8SWarner Losh 3751285bcc8SWarner Losh if (set_bootvar(name, data, size) < 0) 3761285bcc8SWarner Losh err(1, "handle activity efi_set_variable"); 3771285bcc8SWarner Losh } 3781285bcc8SWarner Losh 3791285bcc8SWarner Losh 3801285bcc8SWarner Losh /* 3811285bcc8SWarner Losh * add boot var to boot order. 3821285bcc8SWarner Losh * called by create boot var. There is no option 3831285bcc8SWarner Losh * to add one independent of create. 3841285bcc8SWarner Losh * 3851285bcc8SWarner Losh * Note: we currently don't support where it goes 3861285bcc8SWarner Losh * so it goes on the front, inactive. 3871285bcc8SWarner Losh * use -o 2,3,7 etc to affect order, -a to activate. 3881285bcc8SWarner Losh */ 3891285bcc8SWarner Losh static void 3901285bcc8SWarner Losh add_to_boot_order(char *bootvar) 3911285bcc8SWarner Losh { 3921285bcc8SWarner Losh size_t size; 3931285bcc8SWarner Losh uint32_t attrs; 3941285bcc8SWarner Losh uint16_t val; 3951285bcc8SWarner Losh uint8_t *data, *new; 3961285bcc8SWarner Losh 3971285bcc8SWarner Losh val = strtoul(&bootvar[4], NULL, 16); 3981285bcc8SWarner Losh 3991285bcc8SWarner Losh if (efi_get_variable(EFI_GLOBAL_GUID, "BootOrder", &data, &size, &attrs) < 0) { 4001285bcc8SWarner Losh if (errno == ENOENT) { /* create it and set this bootvar to active */ 4011285bcc8SWarner Losh size = 0; 4021285bcc8SWarner Losh data = NULL; 4031285bcc8SWarner Losh } else 4041285bcc8SWarner Losh err(1, "efi_get_variable BootOrder"); 4051285bcc8SWarner Losh } 4061285bcc8SWarner Losh 4071285bcc8SWarner Losh /* 4081285bcc8SWarner Losh * We have BootOrder with the current order 4091285bcc8SWarner Losh * so grow the array by one, add the value 4101285bcc8SWarner Losh * and write the new variable value. 4111285bcc8SWarner Losh */ 4121285bcc8SWarner Losh size += sizeof(uint16_t); 4131285bcc8SWarner Losh new = malloc(size); 4141285bcc8SWarner Losh if (!new) 4151285bcc8SWarner Losh err(1, "malloc"); 4161285bcc8SWarner Losh 4171285bcc8SWarner Losh le16enc(new, val); 4181285bcc8SWarner Losh if (size > sizeof(uint16_t)) 4191285bcc8SWarner Losh memcpy(new + sizeof(uint16_t), data, size - sizeof(uint16_t)); 4201285bcc8SWarner Losh 4211285bcc8SWarner Losh if (set_bootvar("BootOrder", new, size) < 0) 4221285bcc8SWarner Losh err(1, "set_bootvar"); 4231285bcc8SWarner Losh free(new); 4241285bcc8SWarner Losh } 4251285bcc8SWarner Losh 4261285bcc8SWarner Losh 4271285bcc8SWarner Losh static void 4281285bcc8SWarner Losh remove_from_order(uint16_t bootnum) 4291285bcc8SWarner Losh { 4301285bcc8SWarner Losh uint32_t attrs; 4311285bcc8SWarner Losh size_t size, i, j; 4321285bcc8SWarner Losh uint8_t *new, *data; 4331285bcc8SWarner Losh 4341285bcc8SWarner Losh if (efi_get_variable(EFI_GLOBAL_GUID, "BootOrder", &data, &size, &attrs) < 0) 4351285bcc8SWarner Losh return; 4361285bcc8SWarner Losh 4371285bcc8SWarner Losh new = malloc(size); 4381285bcc8SWarner Losh if (new == NULL) 4391285bcc8SWarner Losh err(1, "malloc"); 4401285bcc8SWarner Losh 4411285bcc8SWarner Losh for (j = i = 0; i < size; i += sizeof(uint16_t)) { 4421285bcc8SWarner Losh if (le16dec(data + i) == bootnum) 4431285bcc8SWarner Losh continue; 4441285bcc8SWarner Losh memcpy(new + j, data + i, sizeof(uint16_t)); 4451285bcc8SWarner Losh j += sizeof(uint16_t); 4461285bcc8SWarner Losh } 4471285bcc8SWarner Losh if (i == j) 4481285bcc8SWarner Losh warnx("Boot variable %04x not in BootOrder", bootnum); 4491285bcc8SWarner Losh else if (set_bootvar("BootOrder", new, j) < 0) 4501285bcc8SWarner Losh err(1, "Unable to update BootOrder with new value"); 4511285bcc8SWarner Losh free(new); 4521285bcc8SWarner Losh } 4531285bcc8SWarner Losh 4541285bcc8SWarner Losh 4551285bcc8SWarner Losh static void 4561285bcc8SWarner Losh delete_bootvar(int bootnum) 4571285bcc8SWarner Losh { 4581285bcc8SWarner Losh char *name; 4591285bcc8SWarner Losh int defer = 0; 4601285bcc8SWarner Losh 4611285bcc8SWarner Losh /* 4621285bcc8SWarner Losh * Try to delete the boot variable and remocve it 4631285bcc8SWarner Losh * from the boot order. We always do both actions 4641285bcc8SWarner Losh * to make it easy to clean up from oopses. 4651285bcc8SWarner Losh */ 4661285bcc8SWarner Losh if (bootnum < 0 || bootnum > 0xffff) 4671285bcc8SWarner Losh errx(1, "Bad boot variable %#x", bootnum); 4681285bcc8SWarner Losh asprintf(&name, "%s%04X", "Boot", bootnum); 4691285bcc8SWarner Losh if (name == NULL) 4701285bcc8SWarner Losh err(1, "asprintf"); 4711285bcc8SWarner Losh printf("Removing boot variable '%s'\n", name); 4721285bcc8SWarner Losh if (efi_del_variable(EFI_GLOBAL_GUID, name) < 0) { 4731285bcc8SWarner Losh defer = 1; 4741285bcc8SWarner Losh warn("cannot delete variable %s", name); 4751285bcc8SWarner Losh } 4761285bcc8SWarner Losh printf("Removing 0x%x from BootOrder\n", bootnum); 4771285bcc8SWarner Losh remove_from_order(bootnum); 4781285bcc8SWarner Losh free(name); 4791285bcc8SWarner Losh if (defer) 4801285bcc8SWarner Losh exit(defer); 4811285bcc8SWarner Losh } 4821285bcc8SWarner Losh 4831285bcc8SWarner Losh 4841285bcc8SWarner Losh static void 4851285bcc8SWarner Losh del_bootnext(void) 4861285bcc8SWarner Losh { 4871285bcc8SWarner Losh 4881285bcc8SWarner Losh if (efi_del_variable(EFI_GLOBAL_GUID, "BootNext") < 0) 4891285bcc8SWarner Losh err(1, "efi_del_variable"); 4901285bcc8SWarner Losh } 4911285bcc8SWarner Losh 4921285bcc8SWarner Losh static void 4931285bcc8SWarner Losh handle_bootnext(uint16_t bootnum) 4941285bcc8SWarner Losh { 4951285bcc8SWarner Losh uint16_t num; 4961285bcc8SWarner Losh 4971285bcc8SWarner Losh le16enc(&num, bootnum); 4981285bcc8SWarner Losh if (set_bootvar("BootNext", (uint8_t*)&bootnum, sizeof(uint16_t)) < 0) 4991285bcc8SWarner Losh err(1, "set_bootvar"); 5001285bcc8SWarner Losh } 5011285bcc8SWarner Losh 5021285bcc8SWarner Losh 5031285bcc8SWarner Losh static int 5041285bcc8SWarner Losh compare(const void *a, const void *b) 5051285bcc8SWarner Losh { 5061285bcc8SWarner Losh uint16_t c; 5071285bcc8SWarner Losh uint16_t d; 5081285bcc8SWarner Losh 5091285bcc8SWarner Losh memcpy(&c, a, sizeof(uint16_t)); 5101285bcc8SWarner Losh memcpy(&d, b, sizeof(uint16_t)); 5111285bcc8SWarner Losh 5121285bcc8SWarner Losh if (c < d) 5131285bcc8SWarner Losh return -1; 5141285bcc8SWarner Losh if (c == d) 5151285bcc8SWarner Losh return 0; 5161285bcc8SWarner Losh return 1; 5171285bcc8SWarner Losh } 5181285bcc8SWarner Losh 5191285bcc8SWarner Losh static char * 5206604afe9SWarner Losh make_next_boot_var_name(void) 5211285bcc8SWarner Losh { 5221285bcc8SWarner Losh struct entry *v; 5231285bcc8SWarner Losh uint16_t *vals, next_free = 0; 5241285bcc8SWarner Losh char *name; 5251285bcc8SWarner Losh int cnt = 0; 5261285bcc8SWarner Losh int i; 5271285bcc8SWarner Losh 5281285bcc8SWarner Losh LIST_FOREACH(v, &efivars, entries) { 5291285bcc8SWarner Losh cnt++; 5301285bcc8SWarner Losh } 5311285bcc8SWarner Losh 5321285bcc8SWarner Losh vals = malloc(sizeof(uint16_t) * cnt); 5331285bcc8SWarner Losh if (!vals) 5341285bcc8SWarner Losh return NULL; 5351285bcc8SWarner Losh 5361285bcc8SWarner Losh i = 0; 5371285bcc8SWarner Losh LIST_FOREACH(v, &efivars, entries) { 5381285bcc8SWarner Losh vals[i++] = v->idx; 5391285bcc8SWarner Losh } 5401285bcc8SWarner Losh qsort(vals, cnt, sizeof(uint16_t), compare); 5411285bcc8SWarner Losh /* if the hole is at the beginning, just return zero */ 5421285bcc8SWarner Losh if (vals[0] > 0) { 5431285bcc8SWarner Losh next_free = 0; 5441285bcc8SWarner Losh } else { 5451285bcc8SWarner Losh /* now just run the list looking for the first hole */ 5461285bcc8SWarner Losh for (i = 0; i < cnt - 1 && next_free == 0; i++) 547018caaaeSWarner Losh if (vals[i] + 1 != vals[i + 1]) 5481285bcc8SWarner Losh next_free = vals[i] + 1; 5491285bcc8SWarner Losh if (next_free == 0) 5501285bcc8SWarner Losh next_free = vals[cnt - 1] + 1; 5511285bcc8SWarner Losh /* In theory we could have used all 65k slots -- what to do? */ 5521285bcc8SWarner Losh } 5531285bcc8SWarner Losh free(vals); 5541285bcc8SWarner Losh 5551285bcc8SWarner Losh asprintf(&name, "%s%04X", "Boot", next_free); 5561285bcc8SWarner Losh if (name == NULL) 5571285bcc8SWarner Losh err(1, "asprintf"); 5581285bcc8SWarner Losh return name; 5591285bcc8SWarner Losh } 5601285bcc8SWarner Losh 5611285bcc8SWarner Losh 5621285bcc8SWarner Losh static size_t 5631285bcc8SWarner Losh create_loadopt(uint8_t *buf, size_t bufmax, uint32_t attributes, efidp dp, size_t dp_size, 5641285bcc8SWarner Losh const char *description, const uint8_t *optional_data, size_t optional_data_size) 5651285bcc8SWarner Losh { 5661285bcc8SWarner Losh efi_char *bbuf = NULL; 5671285bcc8SWarner Losh uint8_t *pos = buf; 5681285bcc8SWarner Losh size_t desc_len = 0; 5691285bcc8SWarner Losh size_t len; 5701285bcc8SWarner Losh 5711285bcc8SWarner Losh if (optional_data == NULL && optional_data_size != 0) 5721285bcc8SWarner Losh return BAD_LENGTH; 5731285bcc8SWarner Losh if (dp == NULL && dp_size != 0) 5741285bcc8SWarner Losh return BAD_LENGTH; 5751285bcc8SWarner Losh 5761285bcc8SWarner Losh /* 5771285bcc8SWarner Losh * Compute the length to make sure the passed in buffer is long enough. 5781285bcc8SWarner Losh */ 5791285bcc8SWarner Losh utf8_to_ucs2(description, &bbuf, &desc_len); 5801285bcc8SWarner Losh len = sizeof(uint32_t) + sizeof(uint16_t) + desc_len + dp_size + optional_data_size; 5811285bcc8SWarner Losh if (len > bufmax) { 5821285bcc8SWarner Losh free(bbuf); 5831285bcc8SWarner Losh return BAD_LENGTH; 5841285bcc8SWarner Losh } 5851285bcc8SWarner Losh 5861285bcc8SWarner Losh le32enc(pos, attributes); 5871285bcc8SWarner Losh pos += sizeof (attributes); 5881285bcc8SWarner Losh 5891285bcc8SWarner Losh le16enc(pos, dp_size); 5901285bcc8SWarner Losh pos += sizeof (uint16_t); 5911285bcc8SWarner Losh 5921285bcc8SWarner Losh memcpy(pos, bbuf, desc_len); /* NB:desc_len includes strailing NUL */ 5931285bcc8SWarner Losh pos += desc_len; 5941285bcc8SWarner Losh free(bbuf); 5951285bcc8SWarner Losh 5961285bcc8SWarner Losh memcpy(pos, dp, dp_size); 5971285bcc8SWarner Losh pos += dp_size; 5981285bcc8SWarner Losh 5991285bcc8SWarner Losh if (optional_data && optional_data_size > 0) { 6001285bcc8SWarner Losh memcpy(pos, optional_data, optional_data_size); 6011285bcc8SWarner Losh pos += optional_data_size; 6021285bcc8SWarner Losh } 6031285bcc8SWarner Losh 6041285bcc8SWarner Losh return pos - buf; 6051285bcc8SWarner Losh } 6061285bcc8SWarner Losh 6071285bcc8SWarner Losh 6081285bcc8SWarner Losh static int 6091285bcc8SWarner Losh make_boot_var(const char *label, const char *loader, const char *kernel, const char *env, bool dry_run) 6101285bcc8SWarner Losh { 6111285bcc8SWarner Losh struct entry *new_ent; 6121285bcc8SWarner Losh uint32_t load_attrs = 0; 6131285bcc8SWarner Losh uint8_t *load_opt_buf; 6141285bcc8SWarner Losh size_t lopt_size, llen, klen; 6151285bcc8SWarner Losh efidp dp, loaderdp, kerneldp; 6161285bcc8SWarner Losh char *bootvar = NULL; 6171285bcc8SWarner Losh int ret; 6181285bcc8SWarner Losh 619da15338dSWarner Losh assert(label != NULL); 620da15338dSWarner Losh 6211285bcc8SWarner Losh bootvar = make_next_boot_var_name(); 6221285bcc8SWarner Losh if (bootvar == NULL) 6231285bcc8SWarner Losh err(1, "bootvar creation"); 6241285bcc8SWarner Losh if (loader == NULL) 6251285bcc8SWarner Losh errx(1, "Must specify boot loader"); 6261285bcc8SWarner Losh if (efivar_unix_path_to_device_path(loader, &loaderdp) != 0) 6271285bcc8SWarner Losh err(1, "Cannot translate unix loader path '%s' to UEFI", loader); 6281285bcc8SWarner Losh if (kernel != NULL) { 6291285bcc8SWarner Losh if (efivar_unix_path_to_device_path(kernel, &kerneldp) != 0) 6301285bcc8SWarner Losh err(1, "Cannot translate unix kernel path '%s' to UEFI", kernel); 6311285bcc8SWarner Losh } else { 6321285bcc8SWarner Losh kerneldp = NULL; 6331285bcc8SWarner Losh } 6341285bcc8SWarner Losh llen = efidp_size(loaderdp); 635af934ea3SWarner Losh if (llen > MAX_DP_LEN) 636af934ea3SWarner Losh errx(1, "Loader path too long."); 6371285bcc8SWarner Losh klen = efidp_size(kerneldp); 638af934ea3SWarner Losh if (klen > MAX_DP_LEN) 639af934ea3SWarner Losh errx(1, "Kernel path too long."); 6401285bcc8SWarner Losh dp = malloc(llen + klen); 641af934ea3SWarner Losh if (dp == NULL) 642af934ea3SWarner Losh errx(1, "Can't allocate memory for new device paths"); 6431285bcc8SWarner Losh memcpy(dp, loaderdp, llen); 6441285bcc8SWarner Losh if (kerneldp != NULL) 6451285bcc8SWarner Losh memcpy((char *)dp + llen, kerneldp, klen); 6461285bcc8SWarner Losh 6471285bcc8SWarner Losh /* don't make the new bootvar active by default, use the -a option later */ 6481285bcc8SWarner Losh load_attrs = LOAD_OPTION_CATEGORY_BOOT; 6491285bcc8SWarner Losh load_opt_buf = malloc(MAX_LOADOPT_LEN); 6501285bcc8SWarner Losh if (load_opt_buf == NULL) 6511285bcc8SWarner Losh err(1, "malloc"); 6521285bcc8SWarner Losh 6531285bcc8SWarner Losh lopt_size = create_loadopt(load_opt_buf, MAX_LOADOPT_LEN, load_attrs, 6541127aea3SWarner Losh dp, llen + klen, label, env, env ? strlen(env) + 1 : 0); 6551285bcc8SWarner Losh if (lopt_size == BAD_LENGTH) 6561285bcc8SWarner Losh errx(1, "Can't crate loadopt"); 6571285bcc8SWarner Losh 6581285bcc8SWarner Losh ret = 0; 6591285bcc8SWarner Losh if (!dry_run) { 6601285bcc8SWarner Losh ret = efi_set_variable(EFI_GLOBAL_GUID, bootvar, 6611285bcc8SWarner Losh (uint8_t*)load_opt_buf, lopt_size, COMMON_ATTRS); 6621285bcc8SWarner Losh } 6631285bcc8SWarner Losh 6641285bcc8SWarner Losh if (ret) 6651285bcc8SWarner Losh err(1, "efi_set_variable"); 6661285bcc8SWarner Losh 6671285bcc8SWarner Losh add_to_boot_order(bootvar); /* first, still not active */ 6681285bcc8SWarner Losh new_ent = malloc(sizeof(struct entry)); 6691285bcc8SWarner Losh if (new_ent == NULL) 6701285bcc8SWarner Losh err(1, "malloc"); 6711285bcc8SWarner Losh memset(new_ent, 0, sizeof(struct entry)); 6721285bcc8SWarner Losh new_ent->name = bootvar; 6731285bcc8SWarner Losh new_ent->guid = EFI_GLOBAL_GUID; 6741285bcc8SWarner Losh LIST_INSERT_HEAD(&efivars, new_ent, entries); 675a6b6f888SWarner Losh free(load_opt_buf); 6761285bcc8SWarner Losh free(dp); 677a6b6f888SWarner Losh 6781285bcc8SWarner Losh return 0; 6791285bcc8SWarner Losh } 6801285bcc8SWarner Losh 6811285bcc8SWarner Losh 6821285bcc8SWarner Losh static void 6831285bcc8SWarner Losh print_loadopt_str(uint8_t *data, size_t datalen) 6841285bcc8SWarner Losh { 6851285bcc8SWarner Losh char *dev, *relpath, *abspath; 6861285bcc8SWarner Losh uint32_t attr; 6871285bcc8SWarner Losh uint16_t fplen; 6881285bcc8SWarner Losh efi_char *descr; 6891285bcc8SWarner Losh uint8_t *ep = data + datalen; 6901285bcc8SWarner Losh uint8_t *walker = data; 6911285bcc8SWarner Losh efidp dp, edp; 6921285bcc8SWarner Losh char buf[1024]; 6931285bcc8SWarner Losh int len; 6941285bcc8SWarner Losh int rv; 695a2aa6671SWarner Losh int indent; 6961285bcc8SWarner Losh 6971285bcc8SWarner Losh if (datalen < sizeof(attr) + sizeof(fplen) + sizeof(efi_char)) 6981285bcc8SWarner Losh return; 6991285bcc8SWarner Losh // First 4 bytes are attribute flags 7001285bcc8SWarner Losh attr = le32dec(walker); 7011285bcc8SWarner Losh walker += sizeof(attr); 7021285bcc8SWarner Losh // Next two bytes are length of the file paths 7031285bcc8SWarner Losh fplen = le16dec(walker); 7041285bcc8SWarner Losh walker += sizeof(fplen); 7051285bcc8SWarner Losh // Next we have a 0 terminated UCS2 string that we know to be aligned 7061285bcc8SWarner Losh descr = (efi_char *)(intptr_t)(void *)walker; 7071285bcc8SWarner Losh len = ucs2len(descr); // XXX need to sanity check that len < (datalen - (ep - walker) / 2) 7081285bcc8SWarner Losh walker += (len + 1) * sizeof(efi_char); 7091285bcc8SWarner Losh if (walker > ep) 7101285bcc8SWarner Losh return; 7111285bcc8SWarner Losh // Now we have fplen bytes worth of file path stuff 7121285bcc8SWarner Losh dp = (efidp)walker; 7131285bcc8SWarner Losh walker += fplen; 7141285bcc8SWarner Losh if (walker > ep) 7151285bcc8SWarner Losh return; 7161285bcc8SWarner Losh edp = (efidp)walker; 71796289d09SAlexander Kabaev /* 71896289d09SAlexander Kabaev * Everything left is the binary option args 71996289d09SAlexander Kabaev * opt = walker; 72096289d09SAlexander Kabaev * optlen = ep - walker; 72196289d09SAlexander Kabaev */ 722a2aa6671SWarner Losh indent = 1; 7231285bcc8SWarner Losh while (dp < edp) { 7241285bcc8SWarner Losh efidp_format_device_path(buf, sizeof(buf), dp, 7251285bcc8SWarner Losh (intptr_t)(void *)edp - (intptr_t)(void *)dp); 726a2aa6671SWarner Losh printf("%*s%s\n", indent, "", buf); 727a2aa6671SWarner Losh indent = 10 + len + 1; 7281285bcc8SWarner Losh rv = efivar_device_path_to_unix_path(dp, &dev, &relpath, &abspath); 7291285bcc8SWarner Losh if (rv == 0) { 730a2aa6671SWarner Losh printf("%*s%s:%s %s\n", indent + 4, "", dev, relpath, abspath); 7311285bcc8SWarner Losh free(dev); 7321285bcc8SWarner Losh free(relpath); 7331285bcc8SWarner Losh free(abspath); 7341285bcc8SWarner Losh } 7351285bcc8SWarner Losh dp = (efidp)((char *)dp + efidp_size(dp)); 7361285bcc8SWarner Losh } 7371285bcc8SWarner Losh } 7381285bcc8SWarner Losh 7391285bcc8SWarner Losh static char * 7401285bcc8SWarner Losh get_descr(uint8_t *data) 7411285bcc8SWarner Losh { 7421285bcc8SWarner Losh uint8_t *pos = data; 7431285bcc8SWarner Losh efi_char *desc; 7441285bcc8SWarner Losh int len; 7451285bcc8SWarner Losh char *buf; 7461285bcc8SWarner Losh int i = 0; 7471285bcc8SWarner Losh 7481285bcc8SWarner Losh pos += sizeof(uint32_t) + sizeof(uint16_t); 7491285bcc8SWarner Losh desc = (efi_char*)(intptr_t)(void *)pos; 7501285bcc8SWarner Losh len = ucs2len(desc); 7511285bcc8SWarner Losh buf = malloc(len + 1); 7521285bcc8SWarner Losh memset(buf, 0, len + 1); 7531285bcc8SWarner Losh while (desc[i]) { 7541285bcc8SWarner Losh buf[i] = desc[i]; 7551285bcc8SWarner Losh i++; 7561285bcc8SWarner Losh } 7571285bcc8SWarner Losh return (char*)buf; 7581285bcc8SWarner Losh } 7591285bcc8SWarner Losh 7601285bcc8SWarner Losh 7611285bcc8SWarner Losh /* Cmd epilogue, or just the default with no args. 7621285bcc8SWarner Losh * The order is [bootnext] bootcurrent, timeout, order, and the bootvars [-v] 7631285bcc8SWarner Losh */ 7641285bcc8SWarner Losh static int 7651285bcc8SWarner Losh print_boot_vars(bool verbose) 7661285bcc8SWarner Losh { 7671285bcc8SWarner Losh /* 7681285bcc8SWarner Losh * just read and print the current values 7691285bcc8SWarner Losh * as a command epilogue 7701285bcc8SWarner Losh */ 7711285bcc8SWarner Losh struct entry *v; 7721285bcc8SWarner Losh uint8_t *data; 7738354d13dSWarner Losh char *d; 7741285bcc8SWarner Losh size_t size; 7758354d13dSWarner Losh uint32_t attrs, load_attrs; 7761285bcc8SWarner Losh int ret; 7771285bcc8SWarner Losh 7781285bcc8SWarner Losh ret = efi_get_variable(EFI_GLOBAL_GUID, "BootNext", &data, &size, &attrs); 7791285bcc8SWarner Losh if (ret > 0) { 7801285bcc8SWarner Losh printf("BootNext : %04x\n", le16dec(data)); 7811285bcc8SWarner Losh } 7821285bcc8SWarner Losh 7831285bcc8SWarner Losh ret = efi_get_variable(EFI_GLOBAL_GUID, "BootCurrent", &data, &size,&attrs); 7841285bcc8SWarner Losh printf("BootCurrent: %04x\n", le16dec(data)); 7851285bcc8SWarner Losh 7861285bcc8SWarner Losh ret = efi_get_variable(EFI_GLOBAL_GUID, "Timeout", &data, &size, &attrs); 7871285bcc8SWarner Losh if (ret > 0) { 7881285bcc8SWarner Losh printf("Timeout : %d seconds\n", le16dec(data)); 7891285bcc8SWarner Losh } 790*12f409ffSWarner Losh 791*12f409ffSWarner Losh if (efi_get_variable(EFI_GLOBAL_GUID, "BootOrder", &data, &size, &attrs) > 0) { 792*12f409ffSWarner Losh if (size % 2 == 1) 793*12f409ffSWarner Losh warn("Bad BootOrder variable: odd length %d", (int)size); 794*12f409ffSWarner Losh printf("BootOrder : "); 795*12f409ffSWarner Losh for (size_t i = 0; i < size; i += 2) 796*12f409ffSWarner Losh printf("%04x%s", le16dec(data + i), i == size - 2 ? "\n" : ", "); 797*12f409ffSWarner Losh } 7981285bcc8SWarner Losh 7991285bcc8SWarner Losh /* now we want to fetch 'em all fresh again 8001285bcc8SWarner Losh * which possibly includes a newly created bootvar 8011285bcc8SWarner Losh */ 8021285bcc8SWarner Losh LIST_FOREACH(v, &efivars, entries) { 8031285bcc8SWarner Losh attrs = 0; 8041285bcc8SWarner Losh ret = efi_get_variable(EFI_GLOBAL_GUID, v->name, &data, 8051285bcc8SWarner Losh &size, &attrs); 8061285bcc8SWarner Losh if (ret < 0) 8071285bcc8SWarner Losh continue; /* we must have deleted it */ 8081285bcc8SWarner Losh load_attrs = le32dec(data); 8098354d13dSWarner Losh d = get_descr(data); 8101285bcc8SWarner Losh printf("%s%c %s", v->name, 8118354d13dSWarner Losh ((load_attrs & LOAD_OPTION_ACTIVE) ? '*': ' '), d); 812155b183aSWarner Losh free(d); 8131285bcc8SWarner Losh if (verbose) 8141285bcc8SWarner Losh print_loadopt_str(data, size); 8151285bcc8SWarner Losh else 8161285bcc8SWarner Losh printf("\n"); 8171285bcc8SWarner Losh } 8181285bcc8SWarner Losh return 0; 8191285bcc8SWarner Losh } 8201285bcc8SWarner Losh 8211285bcc8SWarner Losh static void 8226604afe9SWarner Losh delete_timeout(void) 8231285bcc8SWarner Losh { 8241285bcc8SWarner Losh 8251285bcc8SWarner Losh efi_del_variable(EFI_GLOBAL_GUID,"Timeout"); 8261285bcc8SWarner Losh } 8271285bcc8SWarner Losh 8281285bcc8SWarner Losh static void 8291285bcc8SWarner Losh handle_timeout(int to) 8301285bcc8SWarner Losh { 8311285bcc8SWarner Losh uint16_t timeout; 8321285bcc8SWarner Losh 8331285bcc8SWarner Losh le16enc(&timeout, to); 834c66805a5SWarner Losh if (set_bootvar("Timeout", (uint8_t *)&timeout, sizeof(timeout)) < 0) 835c66805a5SWarner Losh errx(1, "Can't set Timeout for booting."); 8361285bcc8SWarner Losh } 8371285bcc8SWarner Losh 8381285bcc8SWarner Losh int 8391285bcc8SWarner Losh main(int argc, char *argv[]) 8401285bcc8SWarner Losh { 8411285bcc8SWarner Losh 8421285bcc8SWarner Losh if (!efi_variables_supported()) 8431285bcc8SWarner Losh errx(1, "efi variables not supported on this system. root? kldload efirt?"); 8441285bcc8SWarner Losh 8451285bcc8SWarner Losh memset(&opts, 0, sizeof (bmgr_opts_t)); 8461285bcc8SWarner Losh parse_args(argc, argv); 8471285bcc8SWarner Losh read_vars(); 8481285bcc8SWarner Losh 8491285bcc8SWarner Losh if (opts.create) 8501285bcc8SWarner Losh /* 8511285bcc8SWarner Losh * side effect, adds to boot order, but not yet active. 8521285bcc8SWarner Losh */ 853da15338dSWarner Losh make_boot_var(opts.label ? opts.label : "", 854da15338dSWarner Losh opts.loader, opts.kernel, opts.env, opts.dry_run); 8551285bcc8SWarner Losh else if (opts.set_active || opts.set_inactive ) 8561285bcc8SWarner Losh handle_activity(opts.bootnum, opts.set_active); 8571285bcc8SWarner Losh else if (opts.order != NULL) 8581285bcc8SWarner Losh set_boot_order(opts.order); /* create a new bootorder with opts.order */ 8591285bcc8SWarner Losh else if (opts.set_bootnext) 8601285bcc8SWarner Losh handle_bootnext(opts.bootnum); 8611285bcc8SWarner Losh else if (opts.delete_bootnext) 8621285bcc8SWarner Losh del_bootnext(); 8631285bcc8SWarner Losh else if (opts.delete) 8641285bcc8SWarner Losh delete_bootvar(opts.bootnum); 8651285bcc8SWarner Losh else if (opts.del_timeout) 8661285bcc8SWarner Losh delete_timeout(); 8671285bcc8SWarner Losh else if (opts.set_timeout) 8681285bcc8SWarner Losh handle_timeout(opts.timeout); 8691285bcc8SWarner Losh 8701285bcc8SWarner Losh print_boot_vars(opts.verbose); 8711285bcc8SWarner Losh } 872