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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:49:52 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:49:52 +0000 |
commit | 55944e5e40b1be2afc4855d8d2baf4b73d1876b5 (patch) | |
tree | 33f869f55a1b149e9b7c2b7e201867ca5dd52992 /src/boot/bootctl-systemd-efi-options.c | |
parent | Initial commit. (diff) | |
download | systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.tar.xz systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip |
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/boot/bootctl-systemd-efi-options.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/boot/bootctl-systemd-efi-options.c b/src/boot/bootctl-systemd-efi-options.c new file mode 100644 index 0000000..7f8308f --- /dev/null +++ b/src/boot/bootctl-systemd-efi-options.c @@ -0,0 +1,43 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include "alloc-util.h" +#include "bootctl.h" +#include "bootctl-systemd-efi-options.h" +#include "efi-loader.h" + +int verb_systemd_efi_options(int argc, char *argv[], void *userdata) { + int r; + + /* This is obsolete and subject to removal */ + + if (!arg_quiet) + log_notice("Use of the SystemdOptions EFI variable is deprecated."); + + if (argc == 1) { + _cleanup_free_ char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; +} |