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bootctl: print secure boot flags

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This commit is contained in:
Kay Sievers
2013-03-10 22:48:27 +01:00
parent ad88e758d1
commit bc6f2e7c62
5 changed files with 60 additions and 12 deletions
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src/boot/boot-efi.c
+3
View File
@@ -158,6 +158,9 @@ int boot_info_query(struct boot_info *info) {
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);
src/boot/boot.h
+2
View File
@@ -45,6 +45,8 @@ struct boot_info {
sd_id128_t boot_id;
char *fw_type;
char *fw_info;
int fw_secure_boot;
int fw_secure_boot_setup_mode;
struct boot_info_entry *fw_entries;
size_t fw_entries_count;
uint16_t *fw_entries_order;
src/boot/bootctl.c
+23 -12
View File
@@ -143,33 +143,44 @@ static int show_status(char **args, unsigned n) {
err = boot_info_query(info);
printf(" Machine ID: %s\n", sd_id128_to_string(info->machine_id, buf));
printf(" Boot ID: %s\n", sd_id128_to_string(info->boot_id, buf));
printf("Machine:\n");
printf(" ID: %s\n", sd_id128_to_string(info->machine_id, buf));
printf(" Boot ID: %s\n", sd_id128_to_string(info->boot_id, buf));
printf("\n");
printf("Firmware:\n");
if (info->fw_type)
printf(" Firmware: %s (%s)\n", info->fw_type, strna(info->fw_info));
printf(" Type: %s (%s)\n", info->fw_type, strna(info->fw_info));
if (info->fw_secure_boot >= 0)
printf(" Secure Boot: %s\n", info->fw_secure_boot ? "enabled" : "disabled");
if (info->fw_secure_boot_setup_mode >= 0)
printf(" Setup Mode: %s\n", info->fw_secure_boot_setup_mode ? "setup" : "user");
if (info->fw_entry_active >= 0) {
printf("Firmware entry: %s\n", strna(info->fw_entries[info->fw_entry_active].title));
printf(" Title: %s\n", strna(info->fw_entries[info->fw_entry_active].title));
if (info->fw_entries[info->fw_entry_active].path)
printf(" %s\n", info->fw_entries[info->fw_entry_active].path);
printf(" Binary: %s\n", info->fw_entries[info->fw_entry_active].path);
if (!sd_id128_equal(info->fw_entries[info->fw_entry_active].part_uuid, SD_ID128_NULL))
printf(" /dev/disk/by-partuuid/%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n",
printf(" Partition: /dev/disk/by-partuuid/%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n",
SD_ID128_FORMAT_VAL(info->fw_entries[info->fw_entry_active].part_uuid));
}
printf("\n");
if (info->loader) {
printf(" Loader: %s\n", info->loader);
printf(" %s\n", strna(info->loader_image_path));
printf("Boot loader:\n");
printf(" Type: %s\n", info->loader);
printf(" Binary: %s\n", strna(info->loader_image_path));
if (!sd_id128_equal(info->loader_part_uuid, SD_ID128_NULL))
printf(" /dev/disk/by-partuuid/%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n",
printf(" Partition: /dev/disk/by-partuuid/%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n",
SD_ID128_FORMAT_VAL(info->loader_part_uuid));
if (info->loader_entry_active >= 0) {
printf(" Loader entry: %s\n", strna(info->loader_entries[info->loader_entry_active].title));
printf(" %s\n", info->loader_entries[info->loader_entry_active].path);
printf(" Title: %s\n", strna(info->loader_entries[info->loader_entry_active].title));
printf(" Entry: %s\n", info->loader_entries[info->loader_entry_active].path);
}
printf("Loader options: %s\n", strna(info->loader_options_added));
printf(" Options: %s\n", strna(info->loader_options_added));
} else
printf("No suitable data is provided by the boot manager. See:\n"
" http://www.freedesktop.org/wiki/Software/systemd/BootLoaderInterface\n"
src/shared/efivars.c
+30
View File
@@ -34,6 +34,36 @@ bool is_efi_boot(void) {
return access("/sys/firmware/efi", F_OK) >= 0;
}
static int read_flag(const char *varname) {
int r;
void *v;
size_t s;
uint8_t b;
r = efi_get_variable(EFI_VENDOR_GLOBAL, varname, NULL, &v, &s);
if (r < 0)
return r;
if (s != 1) {
r = -EINVAL;
goto finish;
}
b = *(uint8_t *)v;
r = b > 0;
finish:
free(v);
return r;
}
int is_efi_secure_boot(void) {
return read_flag("SecureBoot");
}
int is_efi_secure_boot_setup_mode(void) {
return read_flag("SetupMode");
}
int efi_get_variable(
sd_id128_t vendor,
const char *name,
src/shared/efivars.h
+2
View File
@@ -32,6 +32,8 @@
#define EFI_VENDOR_GLOBAL SD_ID128_MAKE(8b,e4,df,61,93,ca,11,d2,aa,0d,00,e0,98,03,2b,8c)
bool is_efi_boot(void);
int is_efi_secure_boot(void);
int is_efi_secure_boot_setup_mode(void);
int efi_get_variable(sd_id128_t vendor, const char *name, uint32_t *attribute, void **value, size_t *size);
int efi_get_variable_string(sd_id128_t vendor, const char *name, char **p);