diff options
Diffstat (limited to 'src/boot/boot-efi.c')
-rw-r--r-- | src/boot/boot-efi.c | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/src/boot/boot-efi.c b/src/boot/boot-efi.c deleted file mode 100644 index bd0c59bd5a..0000000000 --- a/src/boot/boot-efi.c +++ /dev/null @@ -1,190 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2013 Kay Sievers - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <stdlib.h> -#include <stdbool.h> -#include <unistd.h> -#include <getopt.h> -#include <locale.h> -#include <string.h> -#include <fnmatch.h> -#include <fcntl.h> -#include <sys/timex.h> - -#include "boot.h" -#include "boot-loader.h" -#include "build.h" -#include "util.h" -#include "strv.h" -#include "efivars.h" -#include "conf-files.h" - -static char *tilt_slashes(char *s) { - char *p; - - if (!s) - return NULL; - - for (p = s; *p; p++) - if (*p == '\\') - *p = '/'; - return s; -} - -static int get_boot_entries(struct boot_info *info) { - uint16_t *list = NULL; - int i, n; - int err = 0; - - n = efi_get_boot_options(&list); - if (n < 0) - return n; - - for (i = 0; i < n; i++) { - struct boot_info_entry *e; - - e = realloc(info->fw_entries, (info->fw_entries_count+1) * sizeof(struct boot_info_entry)); - if (!e) { - err = -ENOMEM; - break; - } - info->fw_entries = e; - - e = &info->fw_entries[info->fw_entries_count]; - memzero(e, sizeof(struct boot_info_entry)); - e->order = -1; - - err = efi_get_boot_option(list[i], &e->title, &e->part_uuid, &e->path); - if (err < 0) - continue; - - if (isempty(e->title)) { - free(e->title); - e->title = NULL; - } - tilt_slashes(e->path); - - e->id = list[i]; - info->fw_entries_count++; - } - - free(list); - return err; -} - -static int find_active_entry(struct boot_info *info) { - uint16_t boot_cur; - void *buf; - size_t l; - size_t i; - int err; - - err = efi_get_variable(EFI_VENDOR_GLOBAL, "BootCurrent", NULL, &buf, &l); - if (err < 0) - return err; - - memcpy(&boot_cur, buf, sizeof(uint16_t)); - for (i = 0; i < info->fw_entries_count; i++) { - if (info->fw_entries[i].id != boot_cur) - continue; - info->fw_entry_active = i; - err = 0; - break; - } - free(buf); - return err; -} - -static int get_boot_order(struct boot_info *info) { - size_t i, k; - int r; - - r = efi_get_boot_order(&info->fw_entries_order); - if (r < 0) - return r; - - info->fw_entries_order_count = r; - - for (i = 0; i < info->fw_entries_order_count; i++) { - for (k = 0; k < info->fw_entries_count; k++) { - if (info->fw_entries[k].id != info->fw_entries_order[i]) - continue; - info->fw_entries[k].order = i; - break; - } - } - - return 0; -} - -static int entry_cmp(const void *a, const void *b) { - const struct boot_info_entry *e1 = a; - const struct boot_info_entry *e2 = b; - - /* boot order of active entries */ - if (e1->order > 0 && e2->order > 0) - return e1->order - e2->order; - - /* sort active entries before inactive ones */ - if (e1->order > 0) - return 1; - if (e2->order > 0) - return -1; - - /* order of inactive entries */ - return e1->id - e2->id; -} - -int boot_info_query(struct boot_info *info) { - char str[64]; - char buf[64]; - char *loader_active = NULL; - - info->fw_secure_boot = is_efi_secure_boot(); - info->fw_secure_boot_setup_mode = is_efi_secure_boot_setup_mode(); - - efi_get_variable_string(EFI_VENDOR_LOADER, "LoaderInfo", &info->loader); - - get_boot_entries(info); - if (info->fw_entries_count > 0) { - get_boot_order(info); - qsort(info->fw_entries, info->fw_entries_count, sizeof(struct boot_info_entry), entry_cmp); - find_active_entry(info); - } - - efi_get_variable_string(EFI_VENDOR_LOADER, "LoaderFirmwareType", &info->fw_type); - efi_get_variable_string(EFI_VENDOR_LOADER, "LoaderFirmwareInfo", &info->fw_info); - efi_get_variable_string(EFI_VENDOR_LOADER, "LoaderImageIdentifier", &info->loader_image_path); - tilt_slashes(info->loader_image_path); - efi_loader_get_device_part_uuid(&info->loader_part_uuid); - - boot_loader_read_entries(info); - efi_get_variable_string(EFI_VENDOR_LOADER, "LoaderEntrySelected", &loader_active); - if (loader_active) { - boot_loader_find_active_entry(info, loader_active); - free(loader_active); - } - - snprintf(str, sizeof(str), "LoaderEntryOptions-%s", sd_id128_to_string(info->machine_id, buf)); - efi_get_variable_string(EFI_VENDOR_LOADER, str, &info->loader_options_added); - - return 0; -} |