summaryrefslogtreecommitdiffstats
path: root/src/boot/bootctl.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:35:18 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:35:18 +0000
commitb750101eb236130cf056c675997decbac904cc49 (patch)
treea5df1a06754bdd014cb975c051c83b01c9a97532 /src/boot/bootctl.c
parentInitial commit. (diff)
downloadsystemd-b750101eb236130cf056c675997decbac904cc49.tar.xz
systemd-b750101eb236130cf056c675997decbac904cc49.zip
Adding upstream version 252.22.upstream/252.22
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/boot/bootctl.c')
-rw-r--r--src/boot/bootctl.c2636
1 files changed, 2636 insertions, 0 deletions
diff --git a/src/boot/bootctl.c b/src/boot/bootctl.c
new file mode 100644
index 0000000..61eed61
--- /dev/null
+++ b/src/boot/bootctl.c
@@ -0,0 +1,2636 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <ctype.h>
+#include <errno.h>
+#include <getopt.h>
+#include <limits.h>
+#include <linux/magic.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <sys/mman.h>
+#include <unistd.h>
+
+#include "sd-id128.h"
+
+#include "alloc-util.h"
+#include "blkid-util.h"
+#include "bootspec.h"
+#include "chase-symlinks.h"
+#include "copy.h"
+#include "devnum-util.h"
+#include "dirent-util.h"
+#include "dissect-image.h"
+#include "efi-api.h"
+#include "efi-loader.h"
+#include "efivars.h"
+#include "env-file.h"
+#include "env-util.h"
+#include "escape.h"
+#include "fd-util.h"
+#include "fileio.h"
+#include "find-esp.h"
+#include "fs-util.h"
+#include "glyph-util.h"
+#include "main-func.h"
+#include "mkdir.h"
+#include "mount-util.h"
+#include "os-util.h"
+#include "pager.h"
+#include "parse-argument.h"
+#include "parse-util.h"
+#include "pretty-print.h"
+#include "random-util.h"
+#include "rm-rf.h"
+#include "stat-util.h"
+#include "stdio-util.h"
+#include "string-table.h"
+#include "string-util.h"
+#include "strv.h"
+#include "sync-util.h"
+#include "terminal-util.h"
+#include "tmpfile-util.h"
+#include "tmpfile-util-label.h"
+#include "tpm2-util.h"
+#include "umask-util.h"
+#include "utf8.h"
+#include "util.h"
+#include "verbs.h"
+#include "virt.h"
+
+/* EFI_BOOT_OPTION_DESCRIPTION_MAX sets the maximum length for the boot option description
+ * stored in NVRAM. The UEFI spec does not specify a minimum or maximum length for this
+ * string, but we limit the length to something reasonable to prevent from the firmware
+ * having to deal with a potentially too long string. */
+#define EFI_BOOT_OPTION_DESCRIPTION_MAX ((size_t) 255)
+
+static char *arg_esp_path = NULL;
+static char *arg_xbootldr_path = NULL;
+static bool arg_print_esp_path = false;
+static bool arg_print_dollar_boot_path = false;
+static bool arg_touch_variables = true;
+static PagerFlags arg_pager_flags = 0;
+static bool arg_graceful = false;
+static bool arg_quiet = false;
+static int arg_make_entry_directory = false; /* tri-state: < 0 for automatic logic */
+static sd_id128_t arg_machine_id = SD_ID128_NULL;
+static char *arg_install_layout = NULL;
+static enum {
+ ARG_ENTRY_TOKEN_MACHINE_ID,
+ ARG_ENTRY_TOKEN_OS_IMAGE_ID,
+ ARG_ENTRY_TOKEN_OS_ID,
+ ARG_ENTRY_TOKEN_LITERAL,
+ ARG_ENTRY_TOKEN_AUTO,
+} arg_entry_token_type = ARG_ENTRY_TOKEN_AUTO;
+static char *arg_entry_token = NULL;
+static JsonFormatFlags arg_json_format_flags = JSON_FORMAT_OFF;
+static bool arg_arch_all = false;
+static char *arg_root = NULL;
+static char *arg_image = NULL;
+static enum {
+ ARG_INSTALL_SOURCE_IMAGE,
+ ARG_INSTALL_SOURCE_HOST,
+ ARG_INSTALL_SOURCE_AUTO,
+} arg_install_source = ARG_INSTALL_SOURCE_AUTO;
+static char *arg_efi_boot_option_description = NULL;
+
+STATIC_DESTRUCTOR_REGISTER(arg_esp_path, freep);
+STATIC_DESTRUCTOR_REGISTER(arg_xbootldr_path, freep);
+STATIC_DESTRUCTOR_REGISTER(arg_install_layout, freep);
+STATIC_DESTRUCTOR_REGISTER(arg_entry_token, freep);
+STATIC_DESTRUCTOR_REGISTER(arg_root, freep);
+STATIC_DESTRUCTOR_REGISTER(arg_image, freep);
+STATIC_DESTRUCTOR_REGISTER(arg_efi_boot_option_description, freep);
+
+static const char *arg_dollar_boot_path(void) {
+ /* $BOOT shall be the XBOOTLDR partition if it exists, and otherwise the ESP */
+ return arg_xbootldr_path ?: arg_esp_path;
+}
+
+static const char *pick_efi_boot_option_description(void) {
+ return arg_efi_boot_option_description ?: "Linux Boot Manager";
+}
+
+static int acquire_esp(
+ bool unprivileged_mode,
+ bool graceful,
+ uint32_t *ret_part,
+ uint64_t *ret_pstart,
+ uint64_t *ret_psize,
+ sd_id128_t *ret_uuid,
+ dev_t *ret_devid) {
+
+ char *np;
+ int r;
+
+ /* Find the ESP, and log about errors. Note that find_esp_and_warn() will log in all error cases on
+ * its own, except for ENOKEY (which is good, we want to show our own message in that case,
+ * suggesting use of --esp-path=) and EACCESS (only when we request unprivileged mode; in this case
+ * we simply eat up the error here, so that --list and --status work too, without noise about
+ * this). */
+
+ r = find_esp_and_warn(arg_root, arg_esp_path, unprivileged_mode, &np, ret_part, ret_pstart, ret_psize, ret_uuid, ret_devid);
+ if (r == -ENOKEY) {
+ if (graceful)
+ return log_full_errno(arg_quiet ? LOG_DEBUG : LOG_INFO, r,
+ "Couldn't find EFI system partition, skipping.");
+
+ return log_error_errno(r,
+ "Couldn't find EFI system partition. It is recommended to mount it to /boot or /efi.\n"
+ "Alternatively, use --esp-path= to specify path to mount point.");
+ }
+ if (r < 0)
+ return r;
+
+ free_and_replace(arg_esp_path, np);
+ log_debug("Using EFI System Partition at %s.", arg_esp_path);
+
+ return 0;
+}
+
+static int acquire_xbootldr(
+ bool unprivileged_mode,
+ sd_id128_t *ret_uuid,
+ dev_t *ret_devid) {
+
+ char *np;
+ int r;
+
+ r = find_xbootldr_and_warn(arg_root, arg_xbootldr_path, unprivileged_mode, &np, ret_uuid, ret_devid);
+ if (r == -ENOKEY) {
+ log_debug_errno(r, "Didn't find an XBOOTLDR partition, using the ESP as $BOOT.");
+ arg_xbootldr_path = mfree(arg_xbootldr_path);
+
+ if (ret_uuid)
+ *ret_uuid = SD_ID128_NULL;
+ if (ret_devid)
+ *ret_devid = 0;
+ return 0;
+ }
+ if (r < 0)
+ return r;
+
+ free_and_replace(arg_xbootldr_path, np);
+ log_debug("Using XBOOTLDR partition at %s as $BOOT.", arg_xbootldr_path);
+
+ return 1;
+}
+
+static int load_etc_machine_id(void) {
+ int r;
+
+ r = sd_id128_get_machine(&arg_machine_id);
+ if (IN_SET(r, -ENOENT, -ENOMEDIUM, -ENOPKG)) /* Not set or empty */
+ return 0;
+ if (r < 0)
+ return log_error_errno(r, "Failed to get machine-id: %m");
+
+ log_debug("Loaded machine ID %s from /etc/machine-id.", SD_ID128_TO_STRING(arg_machine_id));
+ return 0;
+}
+
+static int load_etc_machine_info(void) {
+ /* systemd v250 added support to store the kernel-install layout setting and the machine ID to use
+ * for setting up the ESP in /etc/machine-info. The newer /etc/kernel/entry-token file, as well as
+ * the $layout field in /etc/kernel/install.conf are better replacements for this though, hence this
+ * has been deprecated and is only returned for compatibility. */
+ _cleanup_free_ char *s = NULL, *layout = NULL;
+ int r;
+
+ r = parse_env_file(NULL, "/etc/machine-info",
+ "KERNEL_INSTALL_LAYOUT", &layout,
+ "KERNEL_INSTALL_MACHINE_ID", &s);
+ if (r == -ENOENT)
+ return 0;
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse /etc/machine-info: %m");
+
+ if (!isempty(s)) {
+ if (!arg_quiet)
+ log_notice("Read $KERNEL_INSTALL_MACHINE_ID from /etc/machine-info. "
+ "Please move it to /etc/kernel/entry-token.");
+
+ r = sd_id128_from_string(s, &arg_machine_id);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse KERNEL_INSTALL_MACHINE_ID=%s in /etc/machine-info: %m", s);
+
+ log_debug("Loaded KERNEL_INSTALL_MACHINE_ID=%s from KERNEL_INSTALL_MACHINE_ID in /etc/machine-info.",
+ SD_ID128_TO_STRING(arg_machine_id));
+ }
+
+ if (!isempty(layout)) {
+ if (!arg_quiet)
+ log_notice("Read $KERNEL_INSTALL_LAYOUT from /etc/machine-info. "
+ "Please move it to the layout= setting of /etc/kernel/install.conf.");
+
+ log_debug("KERNEL_INSTALL_LAYOUT=%s is specified in /etc/machine-info.", layout);
+ free_and_replace(arg_install_layout, layout);
+ }
+
+ return 0;
+}
+
+static int load_etc_kernel_install_conf(void) {
+ _cleanup_free_ char *layout = NULL;
+ int r;
+
+ r = parse_env_file(NULL, "/etc/kernel/install.conf",
+ "layout", &layout);
+ if (r == -ENOENT)
+ return 0;
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse /etc/kernel/install.conf: %m");
+
+ if (!isempty(layout)) {
+ log_debug("layout=%s is specified in /etc/machine-info.", layout);
+ free_and_replace(arg_install_layout, layout);
+ }
+
+ return 0;
+}
+
+static int settle_entry_token(void) {
+ int r;
+
+ switch (arg_entry_token_type) {
+
+ case ARG_ENTRY_TOKEN_AUTO: {
+ _cleanup_free_ char *buf = NULL;
+ r = read_one_line_file("/etc/kernel/entry-token", &buf);
+ if (r < 0 && r != -ENOENT)
+ return log_error_errno(r, "Failed to read /etc/kernel/entry-token: %m");
+
+ if (!isempty(buf)) {
+ free_and_replace(arg_entry_token, buf);
+ arg_entry_token_type = ARG_ENTRY_TOKEN_LITERAL;
+ } else if (sd_id128_is_null(arg_machine_id)) {
+ _cleanup_free_ char *id = NULL, *image_id = NULL;
+
+ r = parse_os_release(NULL,
+ "IMAGE_ID", &image_id,
+ "ID", &id);
+ if (r < 0)
+ return log_error_errno(r, "Failed to load /etc/os-release: %m");
+
+ if (!isempty(image_id)) {
+ free_and_replace(arg_entry_token, image_id);
+ arg_entry_token_type = ARG_ENTRY_TOKEN_OS_IMAGE_ID;
+ } else if (!isempty(id)) {
+ free_and_replace(arg_entry_token, id);
+ arg_entry_token_type = ARG_ENTRY_TOKEN_OS_ID;
+ } else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "No machine ID set, and /etc/os-release carries no ID=/IMAGE_ID= fields.");
+ } else {
+ r = free_and_strdup_warn(&arg_entry_token, SD_ID128_TO_STRING(arg_machine_id));
+ if (r < 0)
+ return r;
+
+ arg_entry_token_type = ARG_ENTRY_TOKEN_MACHINE_ID;
+ }
+
+ break;
+ }
+
+ case ARG_ENTRY_TOKEN_MACHINE_ID:
+ if (sd_id128_is_null(arg_machine_id))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "No machine ID set.");
+
+ r = free_and_strdup_warn(&arg_entry_token, SD_ID128_TO_STRING(arg_machine_id));
+ if (r < 0)
+ return r;
+
+ break;
+
+ case ARG_ENTRY_TOKEN_OS_IMAGE_ID: {
+ _cleanup_free_ char *buf = NULL;
+
+ r = parse_os_release(NULL, "IMAGE_ID", &buf);
+ if (r < 0)
+ return log_error_errno(r, "Failed to load /etc/os-release: %m");
+
+ if (isempty(buf))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "IMAGE_ID= field not set in /etc/os-release.");
+
+ free_and_replace(arg_entry_token, buf);
+ break;
+ }
+
+ case ARG_ENTRY_TOKEN_OS_ID: {
+ _cleanup_free_ char *buf = NULL;
+
+ r = parse_os_release(NULL, "ID", &buf);
+ if (r < 0)
+ return log_error_errno(r, "Failed to load /etc/os-release: %m");
+
+ if (isempty(buf))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "ID= field not set in /etc/os-release.");
+
+ free_and_replace(arg_entry_token, buf);
+ break;
+ }
+
+ case ARG_ENTRY_TOKEN_LITERAL:
+ assert(!isempty(arg_entry_token)); /* already filled in by command line parser */
+ break;
+ }
+
+ if (isempty(arg_entry_token) || !(utf8_is_valid(arg_entry_token) && string_is_safe(arg_entry_token)))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Selected entry token not valid: %s", arg_entry_token);
+
+ log_debug("Using entry token: %s", arg_entry_token);
+ return 0;
+}
+
+static bool use_boot_loader_spec_type1(void) {
+ /* If the layout is not specified, or if it is set explicitly to "bls" we assume Boot Loader
+ * Specification Type #1 is the chosen format for our boot loader entries */
+ return !arg_install_layout || streq(arg_install_layout, "bls");
+}
+
+static int settle_make_entry_directory(void) {
+ int r;
+
+ r = load_etc_machine_id();
+ if (r < 0)
+ return r;
+
+ r = load_etc_machine_info();
+ if (r < 0)
+ return r;
+
+ r = load_etc_kernel_install_conf();
+ if (r < 0)
+ return r;
+
+ r = settle_entry_token();
+ if (r < 0)
+ return r;
+
+ bool layout_type1 = use_boot_loader_spec_type1();
+ if (arg_make_entry_directory < 0) { /* Automatic mode */
+ if (layout_type1) {
+ if (arg_entry_token_type == ARG_ENTRY_TOKEN_MACHINE_ID) {
+ r = path_is_temporary_fs("/etc/machine-id");
+ if (r < 0)
+ return log_debug_errno(r, "Couldn't determine whether /etc/machine-id is on a temporary file system: %m");
+
+ arg_make_entry_directory = r == 0;
+ } else
+ arg_make_entry_directory = true;
+ } else
+ arg_make_entry_directory = false;
+ }
+
+ if (arg_make_entry_directory > 0 && !layout_type1)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "KERNEL_INSTALL_LAYOUT=%s is configured, but Boot Loader Specification Type #1 entry directory creation was requested.",
+ arg_install_layout);
+
+ return 0;
+}
+
+/* search for "#### LoaderInfo: systemd-boot 218 ####" string inside the binary */
+static int get_file_version(int fd, char **v) {
+ struct stat st;
+ char *buf;
+ const char *s, *e;
+ char *x = NULL;
+ int r;
+
+ assert(fd >= 0);
+ assert(v);
+
+ if (fstat(fd, &st) < 0)
+ return log_error_errno(errno, "Failed to stat EFI binary: %m");
+
+ r = stat_verify_regular(&st);
+ if (r < 0)
+ return log_error_errno(r, "EFI binary is not a regular file: %m");
+
+ if (st.st_size < 27 || file_offset_beyond_memory_size(st.st_size)) {
+ *v = NULL;
+ return 0;
+ }
+
+ buf = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
+ if (buf == MAP_FAILED)
+ return log_error_errno(errno, "Failed to memory map EFI binary: %m");
+
+ s = mempmem_safe(buf, st.st_size - 8, "#### LoaderInfo: ", 17);
+ if (!s)
+ goto finish;
+
+ e = memmem_safe(s, st.st_size - (s - buf), " ####", 5);
+ if (!e || e - s < 3) {
+ r = log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Malformed version string.");
+ goto finish;
+ }
+
+ x = strndup(s, e - s);
+ if (!x) {
+ r = log_oom();
+ goto finish;
+ }
+ r = 1;
+
+finish:
+ (void) munmap(buf, st.st_size);
+ *v = x;
+ return r;
+}
+
+static const char *get_efi_arch(void) {
+ /* Detect EFI firmware architecture of the running system. On mixed mode systems, it could be 32bit
+ * while the kernel is running in 64bit. */
+
+#ifdef __x86_64__
+ _cleanup_free_ char *platform_size = NULL;
+ int r;
+
+ r = read_one_line_file("/sys/firmware/efi/fw_platform_size", &platform_size);
+ if (r == -ENOENT)
+ return EFI_MACHINE_TYPE_NAME;
+ if (r < 0) {
+ log_warning_errno(r,
+ "Error reading EFI firmware word size, assuming machine type '%s': %m",
+ EFI_MACHINE_TYPE_NAME);
+ return EFI_MACHINE_TYPE_NAME;
+ }
+
+ if (streq(platform_size, "64"))
+ return EFI_MACHINE_TYPE_NAME;
+ if (streq(platform_size, "32"))
+ return "ia32";
+
+ log_warning(
+ "Unknown EFI firmware word size '%s', using machine type '%s'.",
+ platform_size,
+ EFI_MACHINE_TYPE_NAME);
+#endif
+
+ return EFI_MACHINE_TYPE_NAME;
+}
+
+static int enumerate_binaries(
+ const char *esp_path,
+ const char *path,
+ const char *prefix,
+ char **previous,
+ bool *is_first) {
+
+ _cleanup_closedir_ DIR *d = NULL;
+ _cleanup_free_ char *p = NULL;
+ int c = 0, r;
+
+ assert(esp_path);
+ assert(path);
+ assert(previous);
+ assert(is_first);
+
+ r = chase_symlinks_and_opendir(path, esp_path, CHASE_PREFIX_ROOT, &p, &d);
+ if (r == -ENOENT)
+ return 0;
+ if (r < 0)
+ return log_error_errno(r, "Failed to read \"%s/%s\": %m", esp_path, path);
+
+ FOREACH_DIRENT(de, d, break) {
+ _cleanup_free_ char *v = NULL;
+ _cleanup_close_ int fd = -1;
+
+ if (!endswith_no_case(de->d_name, ".efi"))
+ continue;
+
+ if (prefix && !startswith_no_case(de->d_name, prefix))
+ continue;
+
+ fd = openat(dirfd(d), de->d_name, O_RDONLY|O_CLOEXEC);
+ if (fd < 0)
+ return log_error_errno(errno, "Failed to open \"%s/%s\" for reading: %m", p, de->d_name);
+
+ r = get_file_version(fd, &v);
+ if (r < 0)
+ return r;
+
+ if (*previous) { /* let's output the previous entry now, since now we know that there will be one more, and can draw the tree glyph properly */
+ printf(" %s %s%s\n",
+ *is_first ? "File:" : " ",
+ special_glyph(SPECIAL_GLYPH_TREE_BRANCH), *previous);
+ *is_first = false;
+ *previous = mfree(*previous);
+ }
+
+ /* Do not output this entry immediately, but store what should be printed in a state
+ * variable, because we only will know the tree glyph to print (branch or final edge) once we
+ * read one more entry */
+ if (r > 0)
+ r = asprintf(previous, "/%s/%s (%s%s%s)", path, de->d_name, ansi_highlight(), v, ansi_normal());
+ else
+ r = asprintf(previous, "/%s/%s", path, de->d_name);
+ if (r < 0)
+ return log_oom();
+
+ c++;
+ }
+
+ return c;
+}
+
+static int status_binaries(const char *esp_path, sd_id128_t partition) {
+ _cleanup_free_ char *last = NULL;
+ bool is_first = true;
+ int r, k;
+
+ printf("%sAvailable Boot Loaders on ESP:%s\n", ansi_underline(), ansi_normal());
+
+ if (!esp_path) {
+ printf(" ESP: Cannot find or access mount point of ESP.\n\n");
+ return -ENOENT;
+ }
+
+ printf(" ESP: %s", esp_path);
+ if (!sd_id128_is_null(partition))
+ printf(" (/dev/disk/by-partuuid/" SD_ID128_UUID_FORMAT_STR ")", SD_ID128_FORMAT_VAL(partition));
+ printf("\n");
+
+ r = enumerate_binaries(esp_path, "EFI/systemd", NULL, &last, &is_first);
+ if (r < 0) {
+ printf("\n");
+ return r;
+ }
+
+ k = enumerate_binaries(esp_path, "EFI/BOOT", "boot", &last, &is_first);
+ if (k < 0) {
+ printf("\n");
+ return k;
+ }
+
+ if (last) /* let's output the last entry now, since now we know that there will be no more, and can draw the tree glyph properly */
+ printf(" %s %s%s\n",
+ is_first ? "File:" : " ",
+ special_glyph(SPECIAL_GLYPH_TREE_RIGHT), last);
+
+ if (r == 0 && !arg_quiet)
+ log_info("systemd-boot not installed in ESP.");
+ if (k == 0 && !arg_quiet)
+ log_info("No default/fallback boot loader installed in ESP.");
+
+ printf("\n");
+ return 0;
+}
+
+static int print_efi_option(uint16_t id, int *n_printed, bool in_order) {
+ _cleanup_free_ char *title = NULL;
+ _cleanup_free_ char *path = NULL;
+ sd_id128_t partition;
+ bool active;
+ int r;
+
+ assert(n_printed);
+
+ r = efi_get_boot_option(id, &title, &partition, &path, &active);
+ if (r == -ENOENT) {
+ log_debug_errno(r, "Boot option 0x%04X referenced but missing, ignoring: %m", id);
+ return 0;
+ }
+ if (r < 0)
+ return log_error_errno(r, "Failed to read boot option 0x%04X: %m", id);
+
+ /* print only configured entries with partition information */
+ if (!path || sd_id128_is_null(partition)) {
+ log_debug("Ignoring boot entry 0x%04X without partition information.", id);
+ return 0;
+ }
+
+ efi_tilt_backslashes(path);
+
+ if (*n_printed == 0) /* Print section title before first entry */
+ printf("%sBoot Loaders Listed in EFI Variables:%s\n", ansi_underline(), ansi_normal());
+
+ printf(" Title: %s%s%s\n", ansi_highlight(), strna(title), ansi_normal());
+ printf(" ID: 0x%04X\n", id);
+ printf(" Status: %sactive%s\n", active ? "" : "in", in_order ? ", boot-order" : "");
+ printf(" Partition: /dev/disk/by-partuuid/" SD_ID128_UUID_FORMAT_STR "\n",
+ SD_ID128_FORMAT_VAL(partition));
+ printf(" File: %s%s\n", special_glyph(SPECIAL_GLYPH_TREE_RIGHT), path);
+ printf("\n");
+
+ (*n_printed)++;
+ return 1;
+}
+
+static int status_variables(void) {
+ _cleanup_free_ uint16_t *options = NULL, *order = NULL;
+ int n_options, n_order, n_printed = 0;
+
+ n_options = efi_get_boot_options(&options);
+ if (n_options == -ENOENT)
+ return log_error_errno(n_options,
+ "Failed to access EFI variables, efivarfs"
+ " needs to be available at /sys/firmware/efi/efivars/.");
+ if (n_options < 0)
+ return log_error_errno(n_options, "Failed to read EFI boot entries: %m");
+
+ n_order = efi_get_boot_order(&order);
+ if (n_order == -ENOENT)
+ n_order = 0;
+ else if (n_order < 0)
+ return log_error_errno(n_order, "Failed to read EFI boot order: %m");
+
+ /* print entries in BootOrder first */
+ for (int i = 0; i < n_order; i++)
+ (void) print_efi_option(order[i], &n_printed, /* in_order= */ true);
+
+ /* print remaining entries */
+ for (int i = 0; i < n_options; i++) {
+ for (int j = 0; j < n_order; j++)
+ if (options[i] == order[j])
+ goto next_option;
+
+ (void) print_efi_option(options[i], &n_printed, /* in_order= */ false);
+
+ next_option:
+ continue;
+ }
+
+ if (n_printed == 0)
+ printf("No boot loaders listed in EFI Variables.\n\n");
+
+ return 0;
+}
+
+static int boot_config_load_and_select(
+ BootConfig *config,
+ const char *esp_path,
+ dev_t esp_devid,
+ const char *xbootldr_path,
+ dev_t xbootldr_devid) {
+
+ int r;
+
+ /* If XBOOTLDR and ESP actually refer to the same block device, suppress XBOOTLDR, since it would
+ * find the same entries twice. */
+ bool same = esp_path && xbootldr_path && devnum_set_and_equal(esp_devid, xbootldr_devid);
+
+ r = boot_config_load(config, esp_path, same ? NULL : xbootldr_path);
+ if (r < 0)
+ return r;
+
+ if (!arg_root) {
+ _cleanup_strv_free_ char **efi_entries = NULL;
+
+ r = efi_loader_get_entries(&efi_entries);
+ if (r == -ENOENT || ERRNO_IS_NOT_SUPPORTED(r))
+ log_debug_errno(r, "Boot loader reported no entries.");
+ else if (r < 0)
+ log_warning_errno(r, "Failed to determine entries reported by boot loader, ignoring: %m");
+ else
+ (void) boot_config_augment_from_loader(config, efi_entries, /* only_auto= */ false);
+ }
+
+ return boot_config_select_special_entries(config, /* skip_efivars= */ !!arg_root);
+}
+
+static int status_entries(
+ const BootConfig *config,
+ const char *esp_path,
+ sd_id128_t esp_partition_uuid,
+ const char *xbootldr_path,
+ sd_id128_t xbootldr_partition_uuid) {
+
+ sd_id128_t dollar_boot_partition_uuid;
+ const char *dollar_boot_path;
+ int r;
+
+ assert(config);
+ assert(esp_path || xbootldr_path);
+
+ if (xbootldr_path) {
+ dollar_boot_path = xbootldr_path;
+ dollar_boot_partition_uuid = xbootldr_partition_uuid;
+ } else {
+ dollar_boot_path = esp_path;
+ dollar_boot_partition_uuid = esp_partition_uuid;
+ }
+
+ printf("%sBoot Loader Entries:%s\n"
+ " $BOOT: %s", ansi_underline(), ansi_normal(), dollar_boot_path);
+ if (!sd_id128_is_null(dollar_boot_partition_uuid))
+ printf(" (/dev/disk/by-partuuid/" SD_ID128_UUID_FORMAT_STR ")",
+ SD_ID128_FORMAT_VAL(dollar_boot_partition_uuid));
+ printf("\n\n");
+
+ if (config->default_entry < 0)
+ printf("%zu entries, no entry could be determined as default.\n", config->n_entries);
+ else {
+ printf("%sDefault Boot Loader Entry:%s\n", ansi_underline(), ansi_normal());
+
+ r = show_boot_entry(
+ boot_config_default_entry(config),
+ /* show_as_default= */ false,
+ /* show_as_selected= */ false,
+ /* show_discovered= */ false);
+ if (r > 0)
+ /* < 0 is already logged by the function itself, let's just emit an extra warning if
+ the default entry is broken */
+ printf("\nWARNING: default boot entry is broken\n");
+ }
+
+ return 0;
+}
+
+static int compare_product(const char *a, const char *b) {
+ size_t x, y;
+
+ assert(a);
+ assert(b);
+
+ x = strcspn(a, " ");
+ y = strcspn(b, " ");
+ if (x != y)
+ return x < y ? -1 : x > y ? 1 : 0;
+
+ return strncmp(a, b, x);
+}
+
+static int compare_version(const char *a, const char *b) {
+ assert(a);
+ assert(b);
+
+ a += strcspn(a, " ");
+ a += strspn(a, " ");
+ b += strcspn(b, " ");
+ b += strspn(b, " ");
+
+ return strverscmp_improved(a, b);
+}
+
+static int version_check(int fd_from, const char *from, int fd_to, const char *to) {
+ _cleanup_free_ char *a = NULL, *b = NULL;
+ int r;
+
+ assert(fd_from >= 0);
+ assert(from);
+ assert(fd_to >= 0);
+ assert(to);
+
+ r = get_file_version(fd_from, &a);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return log_notice_errno(SYNTHETIC_ERRNO(EREMOTE),
+ "Source file \"%s\" does not carry version information!",
+ from);
+
+ r = get_file_version(fd_to, &b);
+ if (r < 0)
+ return r;
+ if (r == 0 || compare_product(a, b) != 0)
+ return log_notice_errno(SYNTHETIC_ERRNO(EREMOTE),
+ "Skipping \"%s\", since it's owned by another boot loader.",
+ to);
+
+ r = compare_version(a, b);
+ log_debug("Comparing versions: \"%s\" %s \"%s", a, comparison_operator(r), b);
+ if (r < 0)
+ return log_warning_errno(SYNTHETIC_ERRNO(ESTALE),
+ "Skipping \"%s\", since newer boot loader version in place already.", to);
+ if (r == 0)
+ return log_info_errno(SYNTHETIC_ERRNO(ESTALE),
+ "Skipping \"%s\", since same boot loader version in place already.", to);
+
+ return 0;
+}
+
+static int copy_file_with_version_check(const char *from, const char *to, bool force) {
+ _cleanup_close_ int fd_from = -1, fd_to = -1;
+ _cleanup_free_ char *t = NULL;
+ int r;
+
+ fd_from = open(from, O_RDONLY|O_CLOEXEC|O_NOCTTY);
+ if (fd_from < 0)
+ return log_error_errno(errno, "Failed to open \"%s\" for reading: %m", from);
+
+ if (!force) {
+ fd_to = open(to, O_RDONLY|O_CLOEXEC|O_NOCTTY);
+ if (fd_to < 0) {
+ if (errno != ENOENT)
+ return log_error_errno(errno, "Failed to open \"%s\" for reading: %m", to);
+ } else {
+ r = version_check(fd_from, from, fd_to, to);
+ if (r < 0)
+ return r;
+
+ if (lseek(fd_from, 0, SEEK_SET) == (off_t) -1)
+ return log_error_errno(errno, "Failed to seek in \"%s\": %m", from);
+
+ fd_to = safe_close(fd_to);
+ }
+ }
+
+ r = tempfn_random(to, NULL, &t);
+ if (r < 0)
+ return log_oom();
+
+ RUN_WITH_UMASK(0000) {
+ fd_to = open(t, O_WRONLY|O_CREAT|O_CLOEXEC|O_EXCL|O_NOFOLLOW, 0644);
+ if (fd_to < 0)
+ return log_error_errno(errno, "Failed to open \"%s\" for writing: %m", t);
+ }
+
+ r = copy_bytes(fd_from, fd_to, UINT64_MAX, COPY_REFLINK);
+ if (r < 0) {
+ (void) unlink(t);
+ return log_error_errno(r, "Failed to copy data from \"%s\" to \"%s\": %m", from, t);
+ }
+
+ (void) copy_times(fd_from, fd_to, 0);
+
+ r = fsync_full(fd_to);
+ if (r < 0) {
+ (void) unlink_noerrno(t);
+ return log_error_errno(r, "Failed to copy data from \"%s\" to \"%s\": %m", from, t);
+ }
+
+ if (renameat(AT_FDCWD, t, AT_FDCWD, to) < 0) {
+ (void) unlink_noerrno(t);
+ return log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", t, to);
+ }
+
+ log_info("Copied \"%s\" to \"%s\".", from, to);
+
+ return 0;
+}
+
+static int mkdir_one(const char *prefix, const char *suffix) {
+ _cleanup_free_ char *p = NULL;
+
+ p = path_join(prefix, suffix);
+ if (mkdir(p, 0700) < 0) {
+ if (errno != EEXIST)
+ return log_error_errno(errno, "Failed to create \"%s\": %m", p);
+ } else
+ log_info("Created \"%s\".", p);
+
+ return 0;
+}
+
+static const char *const esp_subdirs[] = {
+ /* The directories to place in the ESP */
+ "EFI",
+ "EFI/systemd",
+ "EFI/BOOT",
+ "loader",
+ NULL
+};
+
+static const char *const dollar_boot_subdirs[] = {
+ /* The directories to place in the XBOOTLDR partition or the ESP, depending what exists */
+ "loader",
+ "loader/entries", /* Type #1 entries */
+ "EFI",
+ "EFI/Linux", /* Type #2 entries */
+ NULL
+};
+
+static int create_subdirs(const char *root, const char * const *subdirs) {
+ int r;
+
+ STRV_FOREACH(i, subdirs) {
+ r = mkdir_one(root, *i);
+ if (r < 0)
+ return r;
+ }
+
+ return 0;
+}
+
+static int copy_one_file(const char *esp_path, const char *name, bool force) {
+ char *root = IN_SET(arg_install_source, ARG_INSTALL_SOURCE_AUTO, ARG_INSTALL_SOURCE_IMAGE) ? arg_root : NULL;
+ _cleanup_free_ char *source_path = NULL, *dest_path = NULL, *p = NULL, *q = NULL;
+ const char *e;
+ char *dest_name, *s;
+ int r, ret;
+
+ dest_name = strdupa_safe(name);
+ s = endswith_no_case(dest_name, ".signed");
+ if (s)
+ *s = 0;
+
+ p = path_join(BOOTLIBDIR, name);
+ if (!p)
+ return log_oom();
+
+ r = chase_symlinks(p, root, CHASE_PREFIX_ROOT, &source_path, NULL);
+ /* If we had a root directory to try, we didn't find it and we are in auto mode, retry on the host */
+ if (r == -ENOENT && root && arg_install_source == ARG_INSTALL_SOURCE_AUTO)
+ r = chase_symlinks(p, NULL, CHASE_PREFIX_ROOT, &source_path, NULL);
+ if (r < 0)
+ return log_error_errno(r,
+ "Failed to resolve path %s%s%s: %m",
+ p,
+ root ? " under directory " : "",
+ strempty(root));
+
+ q = path_join("/EFI/systemd/", dest_name);
+ if (!q)
+ return log_oom();
+
+ r = chase_symlinks(q, esp_path, CHASE_PREFIX_ROOT | CHASE_NONEXISTENT, &dest_path, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to resolve path %s under directory %s: %m", q, esp_path);
+
+ /* Note that if this fails we do the second copy anyway, but return this error code,
+ * so we stash it away in a separate variable. */
+ ret = copy_file_with_version_check(source_path, dest_path, force);
+
+ e = startswith(dest_name, "systemd-boot");
+ if (e) {
+ _cleanup_free_ char *default_dest_path = NULL;
+ char *v;
+
+ /* Create the EFI default boot loader name (specified for removable devices) */
+ v = strjoina("/EFI/BOOT/BOOT", e);
+ ascii_strupper(strrchr(v, '/') + 1);
+
+ r = chase_symlinks(v, esp_path, CHASE_PREFIX_ROOT | CHASE_NONEXISTENT, &default_dest_path, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to resolve path %s under directory %s: %m", v, esp_path);
+
+ r = copy_file_with_version_check(source_path, default_dest_path, force);
+ if (r < 0 && ret == 0)
+ ret = r;
+ }
+
+ return ret;
+}
+
+static int install_binaries(const char *esp_path, const char *arch, bool force) {
+ char *root = IN_SET(arg_install_source, ARG_INSTALL_SOURCE_AUTO, ARG_INSTALL_SOURCE_IMAGE) ? arg_root : NULL;
+ _cleanup_closedir_ DIR *d = NULL;
+ _cleanup_free_ char *path = NULL;
+ int r;
+
+ r = chase_symlinks_and_opendir(BOOTLIBDIR, root, CHASE_PREFIX_ROOT, &path, &d);
+ /* If we had a root directory to try, we didn't find it and we are in auto mode, retry on the host */
+ if (r == -ENOENT && root && arg_install_source == ARG_INSTALL_SOURCE_AUTO)
+ r = chase_symlinks_and_opendir(BOOTLIBDIR, NULL, CHASE_PREFIX_ROOT, &path, &d);
+ if (r < 0)
+ return log_error_errno(r, "Failed to open boot loader directory %s%s: %m", strempty(root), BOOTLIBDIR);
+
+ const char *suffix = strjoina(arch, ".efi");
+ const char *suffix_signed = strjoina(arch, ".efi.signed");
+
+ FOREACH_DIRENT(de, d, return log_error_errno(errno, "Failed to read \"%s\": %m", path)) {
+ int k;
+
+ if (!endswith_no_case(de->d_name, suffix) && !endswith_no_case(de->d_name, suffix_signed))
+ continue;
+
+ /* skip the .efi file, if there's a .signed version of it */
+ if (endswith_no_case(de->d_name, ".efi")) {
+ _cleanup_free_ const char *s = strjoin(de->d_name, ".signed");
+ if (!s)
+ return log_oom();
+ if (faccessat(dirfd(d), s, F_OK, 0) >= 0)
+ continue;
+ }
+
+ k = copy_one_file(esp_path, de->d_name, force);
+ /* Don't propagate an error code if no update necessary, installed version already equal or
+ * newer version, or other boot loader in place. */
+ if (arg_graceful && IN_SET(k, -ESTALE, -EREMOTE))
+ continue;
+ if (k < 0 && r == 0)
+ r = k;
+ }
+
+ return r;
+}
+
+static bool same_entry(uint16_t id, sd_id128_t uuid, const char *path) {
+ _cleanup_free_ char *opath = NULL;
+ sd_id128_t ouuid;
+ int r;
+
+ r = efi_get_boot_option(id, NULL, &ouuid, &opath, NULL);
+ if (r < 0)
+ return false;
+ if (!sd_id128_equal(uuid, ouuid))
+ return false;
+
+ /* Some motherboards convert the path to uppercase under certain circumstances
+ * (e.g. after booting into the Boot Menu in the ASUS ROG STRIX B350-F GAMING),
+ * so use case-insensitive checking */
+ if (!strcaseeq_ptr(path, opath))
+ return false;
+
+ return true;
+}
+
+static int find_slot(sd_id128_t uuid, const char *path, uint16_t *id) {
+ _cleanup_free_ uint16_t *options = NULL;
+
+ int n = efi_get_boot_options(&options);
+ if (n < 0)
+ return n;
+
+ /* find already existing systemd-boot entry */
+ for (int i = 0; i < n; i++)
+ if (same_entry(options[i], uuid, path)) {
+ *id = options[i];
+ return 1;
+ }
+
+ /* find free slot in the sorted BootXXXX variable list */
+ for (int i = 0; i < n; i++)
+ if (i != options[i]) {
+ *id = i;
+ return 0;
+ }
+
+ /* use the next one */
+ if (n == 0xffff)
+ return -ENOSPC;
+ *id = n;
+ return 0;
+}
+
+static int insert_into_order(uint16_t slot, bool first) {
+ _cleanup_free_ uint16_t *order = NULL;
+ uint16_t *t;
+ int n;
+
+ n = efi_get_boot_order(&order);
+ if (n <= 0)
+ /* no entry, add us */
+ return efi_set_boot_order(&slot, 1);
+
+ /* are we the first and only one? */
+ if (n == 1 && order[0] == slot)
+ return 0;
+
+ /* are we already in the boot order? */
+ for (int i = 0; i < n; i++) {
+ if (order[i] != slot)
+ continue;
+
+ /* we do not require to be the first one, all is fine */
+ if (!first)
+ return 0;
+
+ /* move us to the first slot */
+ memmove(order + 1, order, i * sizeof(uint16_t));
+ order[0] = slot;
+ return efi_set_boot_order(order, n);
+ }
+
+ /* extend array */
+ t = reallocarray(order, n + 1, sizeof(uint16_t));
+ if (!t)
+ return -ENOMEM;
+ order = t;
+
+ /* add us to the top or end of the list */
+ if (first) {
+ memmove(order + 1, order, n * sizeof(uint16_t));
+ order[0] = slot;
+ } else
+ order[n] = slot;
+
+ return efi_set_boot_order(order, n + 1);
+}
+
+static int remove_from_order(uint16_t slot) {
+ _cleanup_free_ uint16_t *order = NULL;
+ int n;
+
+ n = efi_get_boot_order(&order);
+ if (n <= 0)
+ return n;
+
+ for (int i = 0; i < n; i++) {
+ if (order[i] != slot)
+ continue;
+
+ if (i + 1 < n)
+ memmove(order + i, order + i+1, (n - i) * sizeof(uint16_t));
+ return efi_set_boot_order(order, n - 1);
+ }
+
+ return 0;
+}
+
+static int install_variables(
+ const char *esp_path,
+ uint32_t part,
+ uint64_t pstart,
+ uint64_t psize,
+ sd_id128_t uuid,
+ const char *path,
+ bool first,
+ bool graceful) {
+
+ uint16_t slot;
+ int r;
+
+ if (arg_root) {
+ log_info("Acting on %s, skipping EFI variable setup.",
+ arg_image ? "image" : "root directory");
+ return 0;
+ }
+
+ if (!is_efi_boot()) {
+ log_warning("Not booted with EFI, skipping EFI variable setup.");
+ return 0;
+ }
+
+ r = chase_symlinks_and_access(path, esp_path, CHASE_PREFIX_ROOT, F_OK, NULL, NULL);
+ if (r == -ENOENT)
+ return 0;
+ if (r < 0)
+ return log_error_errno(r, "Cannot access \"%s/%s\": %m", esp_path, path);
+
+ r = find_slot(uuid, path, &slot);
+ if (r < 0) {
+ int level = graceful ? arg_quiet ? LOG_DEBUG : LOG_INFO : LOG_ERR;
+ const char *skip = graceful ? ", skipping" : "";
+
+ log_full_errno(level, r,
+ r == -ENOENT ?
+ "Failed to access EFI variables%s. Is the \"efivarfs\" filesystem mounted?" :
+ "Failed to determine current boot order%s: %m", skip);
+
+ return graceful ? 0 : r;
+ }
+
+ if (first || r == 0) {
+ r = efi_add_boot_option(slot, pick_efi_boot_option_description(),
+ part, pstart, psize,
+ uuid, path);
+ if (r < 0) {
+ int level = graceful ? arg_quiet ? LOG_DEBUG : LOG_INFO : LOG_ERR;
+ const char *skip = graceful ? ", skipping" : "";
+
+ log_full_errno(level, r, "Failed to create EFI Boot variable entry%s: %m", skip);
+
+ return graceful ? 0 : r;
+ }
+
+ log_info("Created EFI boot entry \"%s\".", pick_efi_boot_option_description());
+ }
+
+ return insert_into_order(slot, first);
+}
+
+static int remove_boot_efi(const char *esp_path) {
+ _cleanup_closedir_ DIR *d = NULL;
+ _cleanup_free_ char *p = NULL;
+ int r, c = 0;
+
+ r = chase_symlinks_and_opendir("/EFI/BOOT", esp_path, CHASE_PREFIX_ROOT, &p, &d);
+ if (r == -ENOENT)
+ return 0;
+ if (r < 0)
+ return log_error_errno(r, "Failed to open directory \"%s/EFI/BOOT\": %m", esp_path);
+
+ FOREACH_DIRENT(de, d, break) {
+ _cleanup_close_ int fd = -1;
+ _cleanup_free_ char *v = NULL;
+
+ if (!endswith_no_case(de->d_name, ".efi"))
+ continue;
+
+ if (!startswith_no_case(de->d_name, "boot"))
+ continue;
+
+ fd = openat(dirfd(d), de->d_name, O_RDONLY|O_CLOEXEC);
+ if (fd < 0)
+ return log_error_errno(errno, "Failed to open \"%s/%s\" for reading: %m", p, de->d_name);
+
+ r = get_file_version(fd, &v);
+ if (r < 0)
+ return r;
+ if (r > 0 && startswith(v, "systemd-boot ")) {
+ r = unlinkat(dirfd(d), de->d_name, 0);
+ if (r < 0)
+ return log_error_errno(errno, "Failed to remove \"%s/%s\": %m", p, de->d_name);
+
+ log_info("Removed \"%s/%s\".", p, de->d_name);
+ }
+
+ c++;
+ }
+
+ return c;
+}
+
+static int rmdir_one(const char *prefix, const char *suffix) {
+ const char *p;
+
+ p = prefix_roota(prefix, suffix);
+ if (rmdir(p) < 0) {
+ bool ignore = IN_SET(errno, ENOENT, ENOTEMPTY);
+
+ log_full_errno(ignore ? LOG_DEBUG : LOG_ERR, errno,
+ "Failed to remove directory \"%s\": %m", p);
+ if (!ignore)
+ return -errno;
+ } else
+ log_info("Removed \"%s\".", p);
+
+ return 0;
+}
+
+static int remove_subdirs(const char *root, const char *const *subdirs) {
+ int r, q;
+
+ /* We use recursion here to destroy the directories in reverse order. Which should be safe given how
+ * short the array is. */
+
+ if (!subdirs[0]) /* A the end of the list */
+ return 0;
+
+ r = remove_subdirs(root, subdirs + 1);
+ q = rmdir_one(root, subdirs[0]);
+
+ return r < 0 ? r : q;
+}
+
+static int remove_entry_directory(const char *root) {
+ assert(root);
+ assert(arg_make_entry_directory >= 0);
+
+ if (!arg_make_entry_directory || !arg_entry_token)
+ return 0;
+
+ return rmdir_one(root, arg_entry_token);
+}
+
+static int remove_binaries(const char *esp_path) {
+ const char *p;
+ int r, q;
+
+ p = prefix_roota(esp_path, "/EFI/systemd");
+ r = rm_rf(p, REMOVE_ROOT|REMOVE_PHYSICAL);
+
+ q = remove_boot_efi(esp_path);
+ if (q < 0 && r == 0)
+ r = q;
+
+ return r;
+}
+
+static int remove_file(const char *root, const char *file) {
+ const char *p;
+
+ assert(root);
+ assert(file);
+
+ p = prefix_roota(root, file);
+ if (unlink(p) < 0) {
+ log_full_errno(errno == ENOENT ? LOG_DEBUG : LOG_ERR, errno,
+ "Failed to unlink file \"%s\": %m", p);
+
+ return errno == ENOENT ? 0 : -errno;
+ }
+
+ log_info("Removed \"%s\".", p);
+ return 1;
+}
+
+static int remove_variables(sd_id128_t uuid, const char *path, bool in_order) {
+ uint16_t slot;
+ int r;
+
+ if (arg_root || !is_efi_boot())
+ return 0;
+
+ r = find_slot(uuid, path, &slot);
+ if (r != 1)
+ return 0;
+
+ r = efi_remove_boot_option(slot);
+ if (r < 0)
+ return r;
+
+ if (in_order)
+ return remove_from_order(slot);
+
+ return 0;
+}
+
+static int remove_loader_variables(void) {
+ int r = 0;
+
+ /* Remove all persistent loader variables we define */
+
+ FOREACH_STRING(var,
+ EFI_LOADER_VARIABLE(LoaderConfigTimeout),
+ EFI_LOADER_VARIABLE(LoaderConfigTimeoutOneShot),
+ EFI_LOADER_VARIABLE(LoaderEntryDefault),
+ EFI_LOADER_VARIABLE(LoaderEntryOneShot),
+ EFI_LOADER_VARIABLE(LoaderSystemToken)){
+
+ int q;
+
+ q = efi_set_variable(var, NULL, 0);
+ if (q == -ENOENT)
+ continue;
+ if (q < 0) {
+ log_warning_errno(q, "Failed to remove EFI variable %s: %m", var);
+ if (r >= 0)
+ r = q;
+ } else
+ log_info("Removed EFI variable %s.", var);
+ }
+
+ return r;
+}
+
+static int install_loader_config(const char *esp_path) {
+ _cleanup_(unlink_and_freep) char *t = NULL;
+ _cleanup_fclose_ FILE *f = NULL;
+ const char *p;
+ int r;
+
+ assert(arg_make_entry_directory >= 0);
+
+ p = prefix_roota(esp_path, "/loader/loader.conf");
+ if (access(p, F_OK) >= 0) /* Silently skip creation if the file already exists (early check) */
+ return 0;
+
+ r = fopen_tmpfile_linkable(p, O_WRONLY|O_CLOEXEC, &t, &f);
+ if (r < 0)
+ return log_error_errno(r, "Failed to open \"%s\" for writing: %m", p);
+
+ fprintf(f, "#timeout 3\n"
+ "#console-mode keep\n");
+
+ if (arg_make_entry_directory) {
+ assert(arg_entry_token);
+ fprintf(f, "default %s-*\n", arg_entry_token);
+ }
+
+ r = flink_tmpfile(f, t, p);
+ if (r == -EEXIST)
+ return 0; /* Silently skip creation if the file exists now (recheck) */
+ if (r < 0)
+ return log_error_errno(r, "Failed to move \"%s\" into place: %m", p);
+
+ t = mfree(t);
+ return 1;
+}
+
+static int install_loader_specification(const char *root) {
+ _cleanup_(unlink_and_freep) char *t = NULL;
+ _cleanup_fclose_ FILE *f = NULL;
+ _cleanup_free_ char *p = NULL;
+ int r;
+
+ p = path_join(root, "/loader/entries.srel");
+ if (!p)
+ return log_oom();
+
+ if (access(p, F_OK) >= 0) /* Silently skip creation if the file already exists (early check) */
+ return 0;
+
+ r = fopen_tmpfile_linkable(p, O_WRONLY|O_CLOEXEC, &t, &f);
+ if (r < 0)
+ return log_error_errno(r, "Failed to open \"%s\" for writing: %m", p);
+
+ fprintf(f, "type1\n");
+
+ r = flink_tmpfile(f, t, p);
+ if (r == -EEXIST)
+ return 0; /* Silently skip creation if the file exists now (recheck) */
+ if (r < 0)
+ return log_error_errno(r, "Failed to move \"%s\" into place: %m", p);
+
+ t = mfree(t);
+ return 1;
+}
+
+static int install_entry_directory(const char *root) {
+ assert(root);
+ assert(arg_make_entry_directory >= 0);
+
+ if (!arg_make_entry_directory)
+ return 0;
+
+ assert(arg_entry_token);
+ return mkdir_one(root, arg_entry_token);
+}
+
+static int install_entry_token(void) {
+ int r;
+
+ assert(arg_make_entry_directory >= 0);
+ assert(arg_entry_token);
+
+ /* Let's save the used entry token in /etc/kernel/entry-token if we used it to create the entry
+ * directory, or if anything else but the machine ID */
+
+ if (!arg_make_entry_directory && arg_entry_token_type == ARG_ENTRY_TOKEN_MACHINE_ID)
+ return 0;
+
+ r = write_string_file("/etc/kernel/entry-token", arg_entry_token, WRITE_STRING_FILE_CREATE|WRITE_STRING_FILE_ATOMIC|WRITE_STRING_FILE_MKDIR_0755);
+ if (r < 0)
+ return log_error_errno(r, "Failed to write entry token '%s' to /etc/kernel/entry-token: %m", arg_entry_token);
+
+ return 0;
+}
+
+static int help(int argc, char *argv[], void *userdata) {
+ _cleanup_free_ char *link = NULL;
+ int r;
+
+ r = terminal_urlify_man("bootctl", "1", &link);
+ if (r < 0)
+ return log_oom();
+
+ printf("%1$s [OPTIONS...] COMMAND ...\n"
+ "\n%5$sControl EFI firmware boot settings and manage boot loader.%6$s\n"
+ "\n%3$sGeneric EFI Firmware/Boot Loader Commands:%4$s\n"
+ " status Show status of installed boot loader and EFI variables\n"
+ " reboot-to-firmware [BOOL]\n"
+ " Query or set reboot-to-firmware EFI flag\n"
+ " systemd-efi-options [STRING]\n"
+ " Query or set system options string in EFI variable\n"
+ "\n%3$sBoot Loader Specification Commands:%4$s\n"
+ " list List boot loader entries\n"
+ " set-default ID Set default boot loader entry\n"
+ " set-oneshot ID Set default boot loader entry, for next boot only\n"
+ " set-timeout SECONDS Set the menu timeout\n"
+ " set-timeout-oneshot SECONDS\n"
+ " Set the menu timeout for the next boot only\n"
+ "\n%3$ssystemd-boot Commands:%4$s\n"
+ " install Install systemd-boot to the ESP and EFI variables\n"
+ " update Update systemd-boot in the ESP and EFI variables\n"
+ " remove Remove systemd-boot from the ESP and EFI variables\n"
+ " is-installed Test whether systemd-boot is installed in the ESP\n"
+ " random-seed Initialize random seed in ESP and EFI variables\n"
+ "\n%3$sOptions:%4$s\n"
+ " -h --help Show this help\n"
+ " --version Print version\n"
+ " --esp-path=PATH Path to the EFI System Partition (ESP)\n"
+ " --boot-path=PATH Path to the $BOOT partition\n"
+ " --root=PATH Operate on an alternate filesystem root\n"
+ " --image=PATH Operate on disk image as filesystem root\n"
+ " --install-source=auto|image|host\n"
+ " Where to pick files when using --root=/--image=\n"
+ " -p --print-esp-path Print path to the EFI System Partition\n"
+ " -x --print-boot-path Print path to the $BOOT partition\n"
+ " --no-variables Don't touch EFI variables\n"
+ " --no-pager Do not pipe output into a pager\n"
+ " --graceful Don't fail when the ESP cannot be found or EFI\n"
+ " variables cannot be written\n"
+ " -q --quiet Suppress output\n"
+ " --make-entry-directory=yes|no|auto\n"
+ " Create $BOOT/ENTRY-TOKEN/ directory\n"
+ " --entry-token=machine-id|os-id|os-image-id|auto|literal:…\n"
+ " Entry token to use for this installation\n"
+ " --json=pretty|short|off\n"
+ " Generate JSON output\n"
+ " --all-architectures\n"
+ " Install all supported EFI architectures\n"
+ " --efi-boot-option-description=DESCRIPTION\n"
+ " Description of the entry in the boot option list\n"
+ "\nSee the %2$s for details.\n",
+ program_invocation_short_name,
+ link,
+ ansi_underline(),
+ ansi_normal(),
+ ansi_highlight(),
+ ansi_normal());
+
+ return 0;
+}
+
+static int parse_argv(int argc, char *argv[]) {
+ enum {
+ ARG_ESP_PATH = 0x100,
+ ARG_BOOT_PATH,
+ ARG_ROOT,
+ ARG_IMAGE,
+ ARG_INSTALL_SOURCE,
+ ARG_VERSION,
+ ARG_NO_VARIABLES,
+ ARG_NO_PAGER,
+ ARG_GRACEFUL,
+ ARG_MAKE_ENTRY_DIRECTORY,
+ ARG_ENTRY_TOKEN,
+ ARG_JSON,
+ ARG_ARCH_ALL,
+ ARG_EFI_BOOT_OPTION_DESCRIPTION,
+ };
+
+ static const struct option options[] = {
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, ARG_VERSION },
+ { "esp-path", required_argument, NULL, ARG_ESP_PATH },
+ { "path", required_argument, NULL, ARG_ESP_PATH }, /* Compatibility alias */
+ { "boot-path", required_argument, NULL, ARG_BOOT_PATH },
+ { "root", required_argument, NULL, ARG_ROOT },
+ { "image", required_argument, NULL, ARG_IMAGE },
+ { "install-source", required_argument, NULL, ARG_INSTALL_SOURCE },
+ { "print-esp-path", no_argument, NULL, 'p' },
+ { "print-path", no_argument, NULL, 'p' }, /* Compatibility alias */
+ { "print-boot-path", no_argument, NULL, 'x' },
+ { "no-variables", no_argument, NULL, ARG_NO_VARIABLES },
+ { "no-pager", no_argument, NULL, ARG_NO_PAGER },
+ { "graceful", no_argument, NULL, ARG_GRACEFUL },
+ { "quiet", no_argument, NULL, 'q' },
+ { "make-entry-directory", required_argument, NULL, ARG_MAKE_ENTRY_DIRECTORY },
+ { "make-machine-id-directory", required_argument, NULL, ARG_MAKE_ENTRY_DIRECTORY }, /* Compatibility alias */
+ { "entry-token", required_argument, NULL, ARG_ENTRY_TOKEN },
+ { "json", required_argument, NULL, ARG_JSON },
+ { "all-architectures", no_argument, NULL, ARG_ARCH_ALL },
+ { "efi-boot-option-description", required_argument, NULL, ARG_EFI_BOOT_OPTION_DESCRIPTION },
+ {}
+ };
+
+ int c, r;
+ bool b;
+
+ assert(argc >= 0);
+ assert(argv);
+
+ while ((c = getopt_long(argc, argv, "hpx", options, NULL)) >= 0)
+ switch (c) {
+
+ case 'h':
+ help(0, NULL, NULL);
+ return 0;
+
+ case ARG_VERSION:
+ return version();
+
+ case ARG_ESP_PATH:
+ r = free_and_strdup(&arg_esp_path, optarg);
+ if (r < 0)
+ return log_oom();
+ break;
+
+ case ARG_BOOT_PATH:
+ r = free_and_strdup(&arg_xbootldr_path, optarg);
+ if (r < 0)
+ return log_oom();
+ break;
+
+ case ARG_ROOT:
+ r = parse_path_argument(optarg, /* suppress_root= */ true, &arg_root);
+ if (r < 0)
+ return r;
+ break;
+
+ case ARG_IMAGE:
+ r = parse_path_argument(optarg, /* suppress_root= */ false, &arg_image);
+ if (r < 0)
+ return r;
+ break;
+
+ case ARG_INSTALL_SOURCE:
+ if (streq(optarg, "auto"))
+ arg_install_source = ARG_INSTALL_SOURCE_AUTO;
+ else if (streq(optarg, "image"))
+ arg_install_source = ARG_INSTALL_SOURCE_IMAGE;
+ else if (streq(optarg, "host"))
+ arg_install_source = ARG_INSTALL_SOURCE_HOST;
+ else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected parameter for --install-source=: %s", optarg);
+
+ break;
+
+ case 'p':
+ if (arg_print_dollar_boot_path)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "--print-boot-path/-x cannot be combined with --print-esp-path/-p");
+ arg_print_esp_path = true;
+ break;
+
+ case 'x':
+ if (arg_print_esp_path)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "--print-boot-path/-x cannot be combined with --print-esp-path/-p");
+ arg_print_dollar_boot_path = true;
+ break;
+
+ case ARG_NO_VARIABLES:
+ arg_touch_variables = false;
+ break;
+
+ case ARG_NO_PAGER:
+ arg_pager_flags |= PAGER_DISABLE;
+ break;
+
+ case ARG_GRACEFUL:
+ arg_graceful = true;
+ break;
+
+ case 'q':
+ arg_quiet = true;
+ break;
+
+ case ARG_ENTRY_TOKEN: {
+ const char *e;
+
+ if (streq(optarg, "machine-id")) {
+ arg_entry_token_type = ARG_ENTRY_TOKEN_MACHINE_ID;
+ arg_entry_token = mfree(arg_entry_token);
+ } else if (streq(optarg, "os-image-id")) {
+ arg_entry_token_type = ARG_ENTRY_TOKEN_OS_IMAGE_ID;
+ arg_entry_token = mfree(arg_entry_token);
+ } else if (streq(optarg, "os-id")) {
+ arg_entry_token_type = ARG_ENTRY_TOKEN_OS_ID;
+ arg_entry_token = mfree(arg_entry_token);
+ } else if ((e = startswith(optarg, "literal:"))) {
+ arg_entry_token_type = ARG_ENTRY_TOKEN_LITERAL;
+
+ r = free_and_strdup_warn(&arg_entry_token, e);
+ if (r < 0)
+ return r;
+ } else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected parameter for --entry-token=: %s", optarg);
+
+ break;
+ }
+
+ case ARG_MAKE_ENTRY_DIRECTORY:
+ if (streq(optarg, "auto")) /* retained for backwards compatibility */
+ arg_make_entry_directory = -1; /* yes if machine-id is permanent */
+ else {
+ r = parse_boolean_argument("--make-entry-directory=", optarg, &b);
+ if (r < 0)
+ return r;
+
+ arg_make_entry_directory = b;
+ }
+ break;
+
+ case ARG_JSON:
+ r = parse_json_argument(optarg, &arg_json_format_flags);
+ if (r <= 0)
+ return r;
+ break;
+
+ case ARG_ARCH_ALL:
+ arg_arch_all = true;
+ break;
+
+ case ARG_EFI_BOOT_OPTION_DESCRIPTION:
+ if (isempty(optarg) || !(string_is_safe(optarg) && utf8_is_valid(optarg))) {
+ _cleanup_free_ char *escaped = NULL;
+
+ escaped = cescape(optarg);
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Invalid --efi-boot-option-description=: %s", strna(escaped));
+ }
+ if (strlen(optarg) > EFI_BOOT_OPTION_DESCRIPTION_MAX)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "--efi-boot-option-description= too long: %zu > %zu", strlen(optarg), EFI_BOOT_OPTION_DESCRIPTION_MAX);
+ r = free_and_strdup_warn(&arg_efi_boot_option_description, optarg);
+ if (r < 0)
+ return r;
+ break;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ assert_not_reached();
+ }
+
+ if ((arg_root || arg_image) && argv[optind] && !STR_IN_SET(argv[optind], "status", "list",
+ "install", "update", "remove", "is-installed", "random-seed"))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Options --root= and --image= are not supported with verb %s.",
+ argv[optind]);
+
+ if (arg_root && arg_image)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Please specify either --root= or --image=, the combination of both is not supported.");
+
+ if (arg_install_source != ARG_INSTALL_SOURCE_AUTO && !arg_root && !arg_image)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "--install-from-host is only supported with --root= or --image=.");
+
+ return 1;
+}
+
+static void read_efi_var(const char *variable, char **ret) {
+ int r;
+
+ r = efi_get_variable_string(variable, ret);
+ if (r < 0 && r != -ENOENT)
+ log_warning_errno(r, "Failed to read EFI variable %s: %m", variable);
+}
+
+static void print_yes_no_line(bool first, bool good, const char *name) {
+ printf("%s%s %s\n",
+ first ? " Features: " : " ",
+ COLOR_MARK_BOOL(good),
+ name);
+}
+
+static int are_we_installed(const char *esp_path) {
+ int r;
+
+ /* Tests whether systemd-boot is installed. It's not obvious what to use as check here: we could
+ * check EFI variables, we could check what binary /EFI/BOOT/BOOT*.EFI points to, or whether the
+ * loader entries directory exists. Here we opted to check whether /EFI/systemd/ is non-empty, which
+ * should be a suitable and very minimal check for a number of reasons:
+ *
+ * → The check is architecture independent (i.e. we check if any systemd-boot loader is installed,
+ * not a specific one.)
+ *
+ * → It doesn't assume we are the only boot loader (i.e doesn't check if we own the main
+ * /EFI/BOOT/BOOT*.EFI fallback binary.
+ *
+ * → It specifically checks for systemd-boot, not for other boot loaders (which a check for
+ * /boot/loader/entries would do). */
+
+ _cleanup_free_ char *p = path_join(esp_path, "/EFI/systemd/");
+ if (!p)
+ return log_oom();
+
+ log_debug("Checking whether %s contains any files%s", p, special_glyph(SPECIAL_GLYPH_ELLIPSIS));
+ r = dir_is_empty(p, /* ignore_hidden_or_backup= */ false);
+ if (r < 0 && r != -ENOENT)
+ return log_error_errno(r, "Failed to check whether %s contains any files: %m", p);
+
+ return r == 0;
+}
+
+static int verb_status(int argc, char *argv[], void *userdata) {
+ sd_id128_t esp_uuid = SD_ID128_NULL, xbootldr_uuid = SD_ID128_NULL;
+ dev_t esp_devid = 0, xbootldr_devid = 0;
+ int r, k;
+
+ r = acquire_esp(/* unprivileged_mode= */ geteuid() != 0, /* graceful= */ false, NULL, NULL, NULL, &esp_uuid, &esp_devid);
+ if (arg_print_esp_path) {
+ if (r == -EACCES) /* If we couldn't acquire the ESP path, log about access errors (which is the only
+ * error the find_esp_and_warn() won't log on its own) */
+ return log_error_errno(r, "Failed to determine ESP location: %m");
+ if (r < 0)
+ return r;
+
+ puts(arg_esp_path);
+ }
+
+ r = acquire_xbootldr(/* unprivileged_mode= */ geteuid() != 0, &xbootldr_uuid, &xbootldr_devid);
+ if (arg_print_dollar_boot_path) {
+ if (r == -EACCES)
+ return log_error_errno(r, "Failed to determine XBOOTLDR partition: %m");
+ if (r < 0)
+ return r;
+
+ const char *path = arg_dollar_boot_path();
+ if (!path)
+ return log_error_errno(SYNTHETIC_ERRNO(EACCES), "Failed to determine XBOOTLDR location: %m");
+
+ puts(path);
+ }
+
+ if (arg_print_esp_path || arg_print_dollar_boot_path)
+ return 0;
+
+ r = 0; /* If we couldn't determine the path, then don't consider that a problem from here on, just
+ * show what we can show */
+
+ pager_open(arg_pager_flags);
+
+ if (!arg_root && is_efi_boot()) {
+ static const struct {
+ uint64_t flag;
+ const char *name;
+ } loader_flags[] = {
+ { EFI_LOADER_FEATURE_BOOT_COUNTING, "Boot counting" },
+ { EFI_LOADER_FEATURE_CONFIG_TIMEOUT, "Menu timeout control" },
+ { EFI_LOADER_FEATURE_CONFIG_TIMEOUT_ONE_SHOT, "One-shot menu timeout control" },
+ { EFI_LOADER_FEATURE_ENTRY_DEFAULT, "Default entry control" },
+ { EFI_LOADER_FEATURE_ENTRY_ONESHOT, "One-shot entry control" },
+ { EFI_LOADER_FEATURE_XBOOTLDR, "Support for XBOOTLDR partition" },
+ { EFI_LOADER_FEATURE_RANDOM_SEED, "Support for passing random seed to OS" },
+ { EFI_LOADER_FEATURE_LOAD_DRIVER, "Load drop-in drivers" },
+ { EFI_LOADER_FEATURE_SORT_KEY, "Support Type #1 sort-key field" },
+ { EFI_LOADER_FEATURE_SAVED_ENTRY, "Support @saved pseudo-entry" },
+ { EFI_LOADER_FEATURE_DEVICETREE, "Support Type #1 devicetree field" },
+ };
+ static const struct {
+ uint64_t flag;
+ const char *name;
+ } stub_flags[] = {
+ { EFI_STUB_FEATURE_REPORT_BOOT_PARTITION, "Stub sets ESP information" },
+ { EFI_STUB_FEATURE_PICK_UP_CREDENTIALS, "Picks up credentials from boot partition" },
+ { EFI_STUB_FEATURE_PICK_UP_SYSEXTS, "Picks up system extension images from boot partition" },
+ { EFI_STUB_FEATURE_THREE_PCRS, "Measures kernel+command line+sysexts" },
+ };
+ _cleanup_free_ char *fw_type = NULL, *fw_info = NULL, *loader = NULL, *loader_path = NULL, *stub = NULL;
+ sd_id128_t loader_part_uuid = SD_ID128_NULL;
+ uint64_t loader_features = 0, stub_features = 0;
+ Tpm2Support s;
+ int have;
+
+ read_efi_var(EFI_LOADER_VARIABLE(LoaderFirmwareType), &fw_type);
+ read_efi_var(EFI_LOADER_VARIABLE(LoaderFirmwareInfo), &fw_info);
+ read_efi_var(EFI_LOADER_VARIABLE(LoaderInfo), &loader);
+ read_efi_var(EFI_LOADER_VARIABLE(StubInfo), &stub);
+ read_efi_var(EFI_LOADER_VARIABLE(LoaderImageIdentifier), &loader_path);
+ (void) efi_loader_get_features(&loader_features);
+ (void) efi_stub_get_features(&stub_features);
+
+ if (loader_path)
+ efi_tilt_backslashes(loader_path);
+
+ k = efi_loader_get_device_part_uuid(&loader_part_uuid);
+ if (k < 0 && k != -ENOENT)
+ r = log_warning_errno(k, "Failed to read EFI variable LoaderDevicePartUUID: %m");
+
+ SecureBootMode secure = efi_get_secure_boot_mode();
+ printf("%sSystem:%s\n", ansi_underline(), ansi_normal());
+ printf(" Firmware: %s%s (%s)%s\n", ansi_highlight(), strna(fw_type), strna(fw_info), ansi_normal());
+ printf(" Firmware Arch: %s\n", get_efi_arch());
+ printf(" Secure Boot: %sd (%s)\n",
+ enable_disable(IN_SET(secure, SECURE_BOOT_USER, SECURE_BOOT_DEPLOYED)),
+ secure_boot_mode_to_string(secure));
+
+ s = tpm2_support();
+ printf(" TPM2 Support: %s%s%s\n",
+ FLAGS_SET(s, TPM2_SUPPORT_FIRMWARE|TPM2_SUPPORT_DRIVER) ? ansi_highlight_green() :
+ (s & (TPM2_SUPPORT_FIRMWARE|TPM2_SUPPORT_DRIVER)) != 0 ? ansi_highlight_red() : ansi_highlight_yellow(),
+ FLAGS_SET(s, TPM2_SUPPORT_FIRMWARE|TPM2_SUPPORT_DRIVER) ? "yes" :
+ (s & TPM2_SUPPORT_FIRMWARE) ? "firmware only, driver unavailable" :
+ (s & TPM2_SUPPORT_DRIVER) ? "driver only, firmware unavailable" : "no",
+ ansi_normal());
+
+ k = efi_get_reboot_to_firmware();
+ if (k > 0)
+ printf(" Boot into FW: %sactive%s\n", ansi_highlight_yellow(), ansi_normal());
+ else if (k == 0)
+ printf(" Boot into FW: supported\n");
+ else if (k == -EOPNOTSUPP)
+ printf(" Boot into FW: not supported\n");
+ else {
+ errno = -k;
+ printf(" Boot into FW: %sfailed%s (%m)\n", ansi_highlight_red(), ansi_normal());
+ }
+ printf("\n");
+
+ printf("%sCurrent Boot Loader:%s\n", ansi_underline(), ansi_normal());
+ printf(" Product: %s%s%s\n", ansi_highlight(), strna(loader), ansi_normal());
+
+ for (size_t i = 0; i < ELEMENTSOF(loader_flags); i++)
+ print_yes_no_line(i == 0, FLAGS_SET(loader_features, loader_flags[i].flag), loader_flags[i].name);
+
+ sd_id128_t bootloader_esp_uuid;
+ bool have_bootloader_esp_uuid = efi_loader_get_device_part_uuid(&bootloader_esp_uuid) >= 0;
+
+ print_yes_no_line(false, have_bootloader_esp_uuid, "Boot loader sets ESP information");
+ if (have_bootloader_esp_uuid && !sd_id128_is_null(esp_uuid) &&
+ !sd_id128_equal(esp_uuid, bootloader_esp_uuid))
+ printf("WARNING: The boot loader reports a different ESP UUID than detected ("SD_ID128_UUID_FORMAT_STR" vs. "SD_ID128_UUID_FORMAT_STR")!\n",
+ SD_ID128_FORMAT_VAL(bootloader_esp_uuid),
+ SD_ID128_FORMAT_VAL(esp_uuid));
+
+ if (stub) {
+ printf(" Stub: %s\n", stub);
+ for (size_t i = 0; i < ELEMENTSOF(stub_flags); i++)
+ print_yes_no_line(i == 0, FLAGS_SET(stub_features, stub_flags[i].flag), stub_flags[i].name);
+ }
+ if (!sd_id128_is_null(loader_part_uuid))
+ printf(" ESP: /dev/disk/by-partuuid/" SD_ID128_UUID_FORMAT_STR "\n",
+ SD_ID128_FORMAT_VAL(loader_part_uuid));
+ else
+ printf(" ESP: n/a\n");
+ printf(" File: %s%s\n", special_glyph(SPECIAL_GLYPH_TREE_RIGHT), strna(loader_path));
+ printf("\n");
+
+ printf("%sRandom Seed:%s\n", ansi_underline(), ansi_normal());
+ have = access(EFIVAR_PATH(EFI_LOADER_VARIABLE(LoaderRandomSeed)), F_OK) >= 0;
+ printf(" Passed to OS: %s\n", yes_no(have));
+ have = access(EFIVAR_PATH(EFI_LOADER_VARIABLE(LoaderSystemToken)), F_OK) >= 0;
+ printf(" System Token: %s\n", have ? "set" : "not set");
+
+ if (arg_esp_path) {
+ _cleanup_free_ char *p = NULL;
+
+ p = path_join(arg_esp_path, "/loader/random-seed");
+ if (!p)
+ return log_oom();
+
+ have = access(p, F_OK) >= 0;
+ printf(" Exists: %s\n", yes_no(have));
+ }
+
+ printf("\n");
+ } else
+ printf("%sSystem:%s\n"
+ "Not booted with EFI\n\n",
+ ansi_underline(), ansi_normal());
+
+ if (arg_esp_path) {
+ k = status_binaries(arg_esp_path, esp_uuid);
+ if (k < 0)
+ r = k;
+ }
+
+ if (!arg_root && is_efi_boot()) {
+ k = status_variables();
+ if (k < 0)
+ r = k;
+ }
+
+ if (arg_esp_path || arg_xbootldr_path) {
+ _cleanup_(boot_config_free) BootConfig config = BOOT_CONFIG_NULL;
+
+ k = boot_config_load_and_select(&config,
+ arg_esp_path, esp_devid,
+ arg_xbootldr_path, xbootldr_devid);
+ if (k < 0)
+ r = k;
+ else {
+ k = status_entries(&config,
+ arg_esp_path, esp_uuid,
+ arg_xbootldr_path, xbootldr_uuid);
+ if (k < 0)
+ r = k;
+ }
+ }
+
+ return r;
+}
+
+static int verb_list(int argc, char *argv[], void *userdata) {
+ _cleanup_(boot_config_free) BootConfig config = BOOT_CONFIG_NULL;
+ dev_t esp_devid = 0, xbootldr_devid = 0;
+ int r;
+
+ /* If we lack privileges we invoke find_esp_and_warn() in "unprivileged mode" here, which does two
+ * things: turn off logging about access errors and turn off potentially privileged device probing.
+ * Here we're interested in the latter but not the former, hence request the mode, and log about
+ * EACCES. */
+
+ r = acquire_esp(/* unprivileged_mode= */ geteuid() != 0, /* graceful= */ false, NULL, NULL, NULL, NULL, &esp_devid);
+ if (r == -EACCES) /* We really need the ESP path for this call, hence also log about access errors */
+ return log_error_errno(r, "Failed to determine ESP location: %m");
+ if (r < 0)
+ return r;
+
+ r = acquire_xbootldr(/* unprivileged_mode= */ geteuid() != 0, NULL, &xbootldr_devid);
+ if (r == -EACCES)
+ return log_error_errno(r, "Failed to determine XBOOTLDR partition: %m");
+ if (r < 0)
+ return r;
+
+ r = boot_config_load_and_select(&config, arg_esp_path, esp_devid, arg_xbootldr_path, xbootldr_devid);
+ if (r < 0)
+ return r;
+
+ if (config.n_entries == 0 && FLAGS_SET(arg_json_format_flags, JSON_FORMAT_OFF)) {
+ log_info("No boot loader entries found.");
+ return 0;
+ }
+
+ pager_open(arg_pager_flags);
+ return show_boot_entries(&config, arg_json_format_flags);
+}
+
+static int install_random_seed(const char *esp) {
+ _cleanup_(unlink_and_freep) char *tmp = NULL;
+ _cleanup_free_ void *buffer = NULL;
+ _cleanup_free_ char *path = NULL;
+ _cleanup_close_ int fd = -1;
+ size_t sz, token_size;
+ ssize_t n;
+ int r;
+
+ assert(esp);
+
+ path = path_join(esp, "/loader/random-seed");
+ if (!path)
+ return log_oom();
+
+ sz = random_pool_size();
+
+ buffer = malloc(sz);
+ if (!buffer)
+ return log_oom();
+
+ r = crypto_random_bytes(buffer, sz);
+ if (r < 0)
+ return log_error_errno(r, "Failed to acquire random seed: %m");
+
+ /* Normally create_subdirs() should already have created everything we need, but in case "bootctl
+ * random-seed" is called we want to just create the minimum we need for it, and not the full
+ * list. */
+ r = mkdir_parents(path, 0755);
+ if (r < 0)
+ return log_error_errno(r, "Failed to create parent directory for %s: %m", path);
+
+ r = tempfn_random(path, "bootctl", &tmp);
+ if (r < 0)
+ return log_oom();
+
+ fd = open(tmp, O_CREAT|O_EXCL|O_NOFOLLOW|O_NOCTTY|O_WRONLY|O_CLOEXEC, 0600);
+ if (fd < 0) {
+ tmp = mfree(tmp);
+ return log_error_errno(fd, "Failed to open random seed file for writing: %m");
+ }
+
+ n = write(fd, buffer, sz);
+ if (n < 0)
+ return log_error_errno(errno, "Failed to write random seed file: %m");
+ if ((size_t) n != sz)
+ return log_error_errno(SYNTHETIC_ERRNO(EIO), "Short write while writing random seed file.");
+
+ if (rename(tmp, path) < 0)
+ return log_error_errno(r, "Failed to move random seed file into place: %m");
+
+ tmp = mfree(tmp);
+
+ log_info("Random seed file %s successfully written (%zu bytes).", path, sz);
+
+ if (!arg_touch_variables)
+ return 0;
+
+ if (!is_efi_boot()) {
+ log_notice("Not booted with EFI, skipping EFI variable setup.");
+ return 0;
+ }
+
+ if (arg_root) {
+ log_warning("Acting on %s, skipping EFI variable setup.",
+ arg_image ? "image" : "root directory");
+ return 0;
+ }
+
+ r = getenv_bool("SYSTEMD_WRITE_SYSTEM_TOKEN");
+ if (r < 0) {
+ if (r != -ENXIO)
+ log_warning_errno(r, "Failed to parse $SYSTEMD_WRITE_SYSTEM_TOKEN, ignoring.");
+
+ if (detect_vm() > 0) {
+ /* Let's not write a system token if we detect we are running in a VM
+ * environment. Why? Our default security model for the random seed uses the system
+ * token as a mechanism to ensure we are not vulnerable to golden master sloppiness
+ * issues, i.e. that people initialize the random seed file, then copy the image to
+ * many systems and end up with the same random seed in each that is assumed to be
+ * valid but in reality is the same for all machines. By storing a system token in
+ * the EFI variable space we can make sure that even though the random seeds on disk
+ * are all the same they will be different on each system under the assumption that
+ * the EFI variable space is maintained separate from the random seed storage. That
+ * is generally the case on physical systems, as the ESP is stored on persistent
+ * storage, and the EFI variables in NVRAM. However in virtualized environments this
+ * is generally not true: the EFI variable set is typically stored along with the
+ * disk image itself. For example, using the OVMF EFI firmware the EFI variables are
+ * stored in a file in the ESP itself. */
+
+ log_notice("Not installing system token, since we are running in a virtualized environment.");
+ return 0;
+ }
+ } else if (r == 0) {
+ log_notice("Not writing system token, because $SYSTEMD_WRITE_SYSTEM_TOKEN is set to false.");
+ return 0;
+ }
+
+ r = efi_get_variable(EFI_LOADER_VARIABLE(LoaderSystemToken), NULL, NULL, &token_size);
+ if (r == -ENODATA)
+ log_debug_errno(r, "LoaderSystemToken EFI variable is invalid (too short?), replacing.");
+ else if (r < 0) {
+ if (r != -ENOENT)
+ return log_error_errno(r, "Failed to test system token validity: %m");
+ } else {
+ if (token_size >= sz) {
+ /* Let's avoid writes if we can, and initialize this only once. */
+ log_debug("System token already written, not updating.");
+ return 0;
+ }
+
+ log_debug("Existing system token size (%zu) does not match our expectations (%zu), replacing.", token_size, sz);
+ }
+
+ r = crypto_random_bytes(buffer, sz);
+ if (r < 0)
+ return log_error_errno(r, "Failed to acquire random seed: %m");
+
+ /* Let's write this variable with an umask in effect, so that unprivileged users can't see the token
+ * and possibly get identification information or too much insight into the kernel's entropy pool
+ * state. */
+ RUN_WITH_UMASK(0077) {
+ r = efi_set_variable(EFI_LOADER_VARIABLE(LoaderSystemToken), buffer, sz);
+ if (r < 0) {
+ if (!arg_graceful)
+ return log_error_errno(r, "Failed to write 'LoaderSystemToken' EFI variable: %m");
+
+ if (r == -EINVAL)
+ log_warning_errno(r, "Unable to write 'LoaderSystemToken' EFI variable (firmware problem?), ignoring: %m");
+ else
+ log_warning_errno(r, "Unable to write 'LoaderSystemToken' EFI variable, ignoring: %m");
+ } else
+ log_info("Successfully initialized system token in EFI variable with %zu bytes.", sz);
+ }
+
+ return 0;
+}
+
+static int sync_everything(void) {
+ int ret = 0, k;
+
+ if (arg_esp_path) {
+ k = syncfs_path(AT_FDCWD, arg_esp_path);
+ if (k < 0)
+ ret = log_error_errno(k, "Failed to synchronize the ESP '%s': %m", arg_esp_path);
+ }
+
+ if (arg_xbootldr_path) {
+ k = syncfs_path(AT_FDCWD, arg_xbootldr_path);
+ if (k < 0)
+ ret = log_error_errno(k, "Failed to synchronize $BOOT '%s': %m", arg_xbootldr_path);
+ }
+
+ return ret;
+}
+
+static int verb_install(int argc, char *argv[], void *userdata) {
+ sd_id128_t uuid = SD_ID128_NULL;
+ uint64_t pstart = 0, psize = 0;
+ uint32_t part = 0;
+ bool install, graceful;
+ int r;
+
+ /* Invoked for both "update" and "install" */
+
+ install = streq(argv[0], "install");
+ graceful = !install && arg_graceful; /* support graceful mode for updates */
+
+ r = acquire_esp(/* unprivileged_mode= */ false, graceful, &part, &pstart, &psize, &uuid, NULL);
+ if (graceful && r == -ENOKEY)
+ return 0; /* If --graceful is specified and we can't find an ESP, handle this cleanly */
+ if (r < 0)
+ return r;
+
+ if (!install) {
+ /* If we are updating, don't do anything if sd-boot wasn't actually installed. */
+ r = are_we_installed(arg_esp_path);
+ if (r < 0)
+ return r;
+ if (r == 0) {
+ log_debug("Skipping update because sd-boot is not installed in the ESP.");
+ return 0;
+ }
+ }
+
+ r = acquire_xbootldr(/* unprivileged_mode= */ false, NULL, NULL);
+ if (r < 0)
+ return r;
+
+ r = settle_make_entry_directory();
+ if (r < 0)
+ return r;
+
+ const char *arch = arg_arch_all ? "" : get_efi_arch();
+
+ RUN_WITH_UMASK(0002) {
+ if (install) {
+ /* Don't create any of these directories when we are just updating. When we update
+ * we'll drop-in our files (unless there are newer ones already), but we won't create
+ * the directories for them in the first place. */
+ r = create_subdirs(arg_esp_path, esp_subdirs);
+ if (r < 0)
+ return r;
+
+ r = create_subdirs(arg_dollar_boot_path(), dollar_boot_subdirs);
+ if (r < 0)
+ return r;
+ }
+
+ r = install_binaries(arg_esp_path, arch, install);
+ if (r < 0)
+ return r;
+
+ if (install) {
+ r = install_loader_config(arg_esp_path);
+ if (r < 0)
+ return r;
+
+ r = install_entry_directory(arg_dollar_boot_path());
+ if (r < 0)
+ return r;
+
+ r = install_entry_token();
+ if (r < 0)
+ return r;
+
+ r = install_random_seed(arg_esp_path);
+ if (r < 0)
+ return r;
+ }
+
+ r = install_loader_specification(arg_dollar_boot_path());
+ if (r < 0)
+ return r;
+ }
+
+ (void) sync_everything();
+
+ if (!arg_touch_variables)
+ return 0;
+
+ if (arg_arch_all) {
+ log_info("Not changing EFI variables with --all-architectures.");
+ return 0;
+ }
+
+ char *path = strjoina("/EFI/systemd/systemd-boot", arch, ".efi");
+ return install_variables(arg_esp_path, part, pstart, psize, uuid, path, install, graceful);
+}
+
+static int verb_remove(int argc, char *argv[], void *userdata) {
+ sd_id128_t uuid = SD_ID128_NULL;
+ int r, q;
+
+ r = acquire_esp(/* unprivileged_mode= */ false, /* graceful= */ false, NULL, NULL, NULL, &uuid, NULL);
+ if (r < 0)
+ return r;
+
+ r = acquire_xbootldr(/* unprivileged_mode= */ false, NULL, NULL);
+ if (r < 0)
+ return r;
+
+ r = settle_make_entry_directory();
+ if (r < 0)
+ return r;
+
+ r = remove_binaries(arg_esp_path);
+
+ q = remove_file(arg_esp_path, "/loader/loader.conf");
+ if (q < 0 && r >= 0)
+ r = q;
+
+ q = remove_file(arg_esp_path, "/loader/random-seed");
+ if (q < 0 && r >= 0)
+ r = q;
+
+ q = remove_file(arg_esp_path, "/loader/entries.srel");
+ if (q < 0 && r >= 0)
+ r = q;
+
+ q = remove_subdirs(arg_esp_path, esp_subdirs);
+ if (q < 0 && r >= 0)
+ r = q;
+
+ q = remove_subdirs(arg_esp_path, dollar_boot_subdirs);
+ if (q < 0 && r >= 0)
+ r = q;
+
+ q = remove_entry_directory(arg_esp_path);
+ if (q < 0 && r >= 0)
+ r = q;
+
+ if (arg_xbootldr_path) {
+ /* Remove a subset of these also from the XBOOTLDR partition if it exists */
+
+ q = remove_file(arg_xbootldr_path, "/loader/entries.srel");
+ if (q < 0 && r >= 0)
+ r = q;
+
+ q = remove_subdirs(arg_xbootldr_path, dollar_boot_subdirs);
+ if (q < 0 && r >= 0)
+ r = q;
+
+ q = remove_entry_directory(arg_xbootldr_path);
+ if (q < 0 && r >= 0)
+ r = q;
+ }
+
+ (void) sync_everything();
+
+ if (!arg_touch_variables)
+ return r;
+
+ if (arg_arch_all) {
+ log_info("Not changing EFI variables with --all-architectures.");
+ return r;
+ }
+
+ char *path = strjoina("/EFI/systemd/systemd-boot", get_efi_arch(), ".efi");
+ q = remove_variables(uuid, path, true);
+ if (q < 0 && r >= 0)
+ r = q;
+
+ q = remove_loader_variables();
+ if (q < 0 && r >= 0)
+ r = q;
+
+ return r;
+}
+
+static int verb_is_installed(int argc, char *argv[], void *userdata) {
+ int r;
+
+ r = acquire_esp(/* privileged_mode= */ false,
+ /* graceful= */ arg_graceful,
+ NULL, NULL, NULL, NULL, NULL);
+ if (r < 0)
+ return r;
+
+ r = are_we_installed(arg_esp_path);
+ if (r < 0)
+ return r;
+
+ if (r > 0) {
+ if (!arg_quiet)
+ puts("yes");
+ return EXIT_SUCCESS;
+ } else {
+ if (!arg_quiet)
+ puts("no");
+ return EXIT_FAILURE;
+ }
+}
+
+static int parse_timeout(const char *arg1, char16_t **ret_timeout, size_t *ret_timeout_size) {
+ char utf8[DECIMAL_STR_MAX(usec_t)];
+ char16_t *encoded;
+ usec_t timeout;
+ int r;
+
+ assert(arg1);
+ assert(ret_timeout);
+ assert(ret_timeout_size);
+
+ if (streq(arg1, "menu-force"))
+ timeout = USEC_INFINITY;
+ else if (streq(arg1, "menu-hidden"))
+ timeout = 0;
+ else {
+ r = parse_time(arg1, &timeout, USEC_PER_SEC);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse timeout '%s': %m", arg1);
+ if (timeout != USEC_INFINITY && timeout > UINT32_MAX * USEC_PER_SEC)
+ log_warning("Timeout is too long and will be treated as 'menu-force' instead.");
+ }
+
+ xsprintf(utf8, USEC_FMT, MIN(timeout / USEC_PER_SEC, UINT32_MAX));
+
+ encoded = utf8_to_utf16(utf8, strlen(utf8));
+ if (!encoded)
+ return log_oom();
+
+ *ret_timeout = encoded;
+ *ret_timeout_size = char16_strlen(encoded) * 2 + 2;
+ return 0;
+}
+
+static int parse_loader_entry_target_arg(const char *arg1, char16_t **ret_target, size_t *ret_target_size) {
+ char16_t *encoded = NULL;
+ int r;
+
+ assert(arg1);
+ assert(ret_target);
+ assert(ret_target_size);
+
+ if (streq(arg1, "@current")) {
+ r = efi_get_variable(EFI_LOADER_VARIABLE(LoaderEntrySelected), NULL, (void *) ret_target, ret_target_size);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get EFI variable 'LoaderEntrySelected': %m");
+
+ } else if (streq(arg1, "@oneshot")) {
+ r = efi_get_variable(EFI_LOADER_VARIABLE(LoaderEntryOneShot), NULL, (void *) ret_target, ret_target_size);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get EFI variable 'LoaderEntryOneShot': %m");
+
+ } else if (streq(arg1, "@default")) {
+ r = efi_get_variable(EFI_LOADER_VARIABLE(LoaderEntryDefault), NULL, (void *) ret_target, ret_target_size);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get EFI variable 'LoaderEntryDefault': %m");
+
+ } else if (arg1[0] == '@' && !streq(arg1, "@saved"))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Unsupported special entry identifier: %s", arg1);
+ else {
+ encoded = utf8_to_utf16(arg1, strlen(arg1));
+ if (!encoded)
+ return log_oom();
+
+ *ret_target = encoded;
+ *ret_target_size = char16_strlen(encoded) * 2 + 2;
+ }
+
+ return 0;
+}
+
+static int verb_set_efivar(int argc, char *argv[], void *userdata) {
+ int r;
+
+ if (arg_root)
+ return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
+ "Acting on %s, skipping EFI variable setup.",
+ arg_image ? "image" : "root directory");
+
+ if (!is_efi_boot())
+ return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
+ "Not booted with UEFI.");
+
+ if (access(EFIVAR_PATH(EFI_LOADER_VARIABLE(LoaderInfo)), F_OK) < 0) {
+ if (errno == ENOENT) {
+ log_error_errno(errno, "Not booted with a supported boot loader.");
+ return -EOPNOTSUPP;
+ }
+
+ return log_error_errno(errno, "Failed to detect whether boot loader supports '%s' operation: %m", argv[0]);
+ }
+
+ if (detect_container() > 0)
+ return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
+ "'%s' operation not supported in a container.",
+ argv[0]);
+
+ if (!arg_touch_variables)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "'%s' operation cannot be combined with --no-variables.",
+ argv[0]);
+
+ const char *variable;
+ int (* arg_parser)(const char *, char16_t **, size_t *);
+
+ if (streq(argv[0], "set-default")) {
+ variable = EFI_LOADER_VARIABLE(LoaderEntryDefault);
+ arg_parser = parse_loader_entry_target_arg;
+ } else if (streq(argv[0], "set-oneshot")) {
+ variable = EFI_LOADER_VARIABLE(LoaderEntryOneShot);
+ arg_parser = parse_loader_entry_target_arg;
+ } else if (streq(argv[0], "set-timeout")) {
+ variable = EFI_LOADER_VARIABLE(LoaderConfigTimeout);
+ arg_parser = parse_timeout;
+ } else if (streq(argv[0], "set-timeout-oneshot")) {
+ variable = EFI_LOADER_VARIABLE(LoaderConfigTimeoutOneShot);
+ arg_parser = parse_timeout;
+ } else
+ assert_not_reached();
+
+ if (isempty(argv[1])) {
+ r = efi_set_variable(variable, NULL, 0);
+ if (r < 0 && r != -ENOENT)
+ return log_error_errno(r, "Failed to remove EFI variable '%s': %m", variable);
+ } else {
+ _cleanup_free_ char16_t *value = NULL;
+ size_t value_size = 0;
+
+ r = arg_parser(argv[1], &value, &value_size);
+ if (r < 0)
+ return r;
+ r = efi_set_variable(variable, value, value_size);
+ if (r < 0)
+ return log_error_errno(r, "Failed to update EFI variable '%s': %m", variable);
+ }
+
+ return 0;
+}
+
+static int verb_random_seed(int argc, char *argv[], void *userdata) {
+ int r;
+
+ r = find_esp_and_warn(arg_root, arg_esp_path, false, &arg_esp_path, NULL, NULL, NULL, NULL, NULL);
+ if (r == -ENOKEY) {
+ /* find_esp_and_warn() doesn't warn about ENOKEY, so let's do that on our own */
+ if (!arg_graceful)
+ return log_error_errno(r, "Unable to find ESP.");
+
+ log_notice("No ESP found, not initializing random seed.");
+ return 0;
+ }
+ if (r < 0)
+ return r;
+
+ r = install_random_seed(arg_esp_path);
+ if (r < 0)
+ return r;
+
+ (void) sync_everything();
+ return 0;
+}
+
+static int verb_systemd_efi_options(int argc, char *argv[], void *userdata) {
+ int r;
+
+ if (argc == 1) {
+ _cleanup_free_ char *line = NULL, *new = NULL;
+
+ r = systemd_efi_options_variable(&line);
+ if (r == -ENODATA)
+ log_debug("No SystemdOptions EFI variable present in cache.");
+ else if (r < 0)
+ return log_error_errno(r, "Failed to read SystemdOptions EFI variable from cache: %m");
+ else
+ puts(line);
+
+ r = systemd_efi_options_efivarfs_if_newer(&new);
+ if (r == -ENODATA) {
+ if (line)
+ log_notice("Note: SystemdOptions EFI variable has been removed since boot.");
+ } else if (r < 0)
+ log_warning_errno(r, "Failed to check SystemdOptions EFI variable in efivarfs, ignoring: %m");
+ else if (new && !streq_ptr(line, new))
+ log_notice("Note: SystemdOptions EFI variable has been modified since boot. New value: %s",
+ new);
+ } else {
+ r = efi_set_variable_string(EFI_SYSTEMD_VARIABLE(SystemdOptions), argv[1]);
+ if (r < 0)
+ return log_error_errno(r, "Failed to set SystemdOptions EFI variable: %m");
+ }
+
+ return 0;
+}
+
+static int verb_reboot_to_firmware(int argc, char *argv[], void *userdata) {
+ int r;
+
+ if (argc < 2) {
+ r = efi_get_reboot_to_firmware();
+ if (r > 0) {
+ puts("active");
+ return EXIT_SUCCESS; /* success */
+ }
+ if (r == 0) {
+ puts("supported");
+ return 1; /* recognizable error #1 */
+ }
+ if (r == -EOPNOTSUPP) {
+ puts("not supported");
+ return 2; /* recognizable error #2 */
+ }
+
+ log_error_errno(r, "Failed to query reboot-to-firmware state: %m");
+ return 3; /* other kind of error */
+ } else {
+ r = parse_boolean(argv[1]);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse argument: %s", argv[1]);
+
+ r = efi_set_reboot_to_firmware(r);
+ if (r < 0)
+ return log_error_errno(r, "Failed to set reboot-to-firmware option: %m");
+
+ return 0;
+ }
+}
+
+static int bootctl_main(int argc, char *argv[]) {
+ static const Verb verbs[] = {
+ { "help", VERB_ANY, VERB_ANY, 0, help },
+ { "status", VERB_ANY, 1, VERB_DEFAULT, verb_status },
+ { "install", VERB_ANY, 1, 0, verb_install },
+ { "update", VERB_ANY, 1, 0, verb_install },
+ { "remove", VERB_ANY, 1, 0, verb_remove },
+ { "is-installed", VERB_ANY, 1, 0, verb_is_installed },
+ { "list", VERB_ANY, 1, 0, verb_list },
+ { "set-default", 2, 2, 0, verb_set_efivar },
+ { "set-oneshot", 2, 2, 0, verb_set_efivar },
+ { "set-timeout", 2, 2, 0, verb_set_efivar },
+ { "set-timeout-oneshot", 2, 2, 0, verb_set_efivar },
+ { "random-seed", VERB_ANY, 1, 0, verb_random_seed },
+ { "systemd-efi-options", VERB_ANY, 2, 0, verb_systemd_efi_options },
+ { "reboot-to-firmware", VERB_ANY, 2, 0, verb_reboot_to_firmware },
+ {}
+ };
+
+ return dispatch_verb(argc, argv, verbs, NULL);
+}
+
+static int run(int argc, char *argv[]) {
+ _cleanup_(loop_device_unrefp) LoopDevice *loop_device = NULL;
+ _cleanup_(umount_and_rmdir_and_freep) char *unlink_dir = NULL;
+ int r;
+
+ log_parse_environment();
+ log_open();
+
+ /* If we run in a container, automatically turn off EFI file system access */
+ if (detect_container() > 0)
+ arg_touch_variables = false;
+
+ r = parse_argv(argc, argv);
+ if (r <= 0)
+ return r;
+
+ /* Open up and mount the image */
+ if (arg_image) {
+ assert(!arg_root);
+
+ r = mount_image_privately_interactively(
+ arg_image,
+ DISSECT_IMAGE_GENERIC_ROOT |
+ DISSECT_IMAGE_RELAX_VAR_CHECK,
+ &unlink_dir,
+ &loop_device);
+ if (r < 0)
+ return r;
+
+ arg_root = strdup(unlink_dir);
+ if (!arg_root)
+ return log_oom();
+ }
+
+ return bootctl_main(argc, argv);
+}
+
+DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run);