bootctl: report StubInfo if present

Current Loader:
      Product: n/a
         Stub: systemd-stub 236
          ESP: /dev/disk/by-partuuid/b0a0807d-0592-40e9-adac-3bb724e9e305
         File: └─/EFI/Secure/secure-boot-4.14.13+.efi

diff --git a/src/boot/bootctl.c b/src/boot/bootctl.c
index 0c2a39d34b8ae71e8225497e865266766738f2cf..ae034f5cdb1ba614072a78d2885bb27ea67ac917 100644 (file)
--- a/src/boot/bootctl.c
+++ b/src/boot/bootctl.c
@@ -950,12 +950,13 @@ static int verb_status(int argc, char *argv[], void *userdata) {
                 * can show */
 
         if (is_efi_boot()) {
-                _cleanup_free_ char *fw_type = NULL, *fw_info = NULL, *loader = NULL, *loader_path = NULL;
+                _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;
 
                 read_loader_efi_var("LoaderFirmwareType", &fw_type);
                 read_loader_efi_var("LoaderFirmwareInfo", &fw_info);
                 read_loader_efi_var("LoaderInfo", &loader);
+                read_loader_efi_var("StubInfo", &stub);
                 read_loader_efi_var("LoaderImageIdentifier", &loader_path);
 
                 if (loader_path)
@@ -983,6 +984,8 @@ static int verb_status(int argc, char *argv[], void *userdata) {
 
                 printf("Current Loader:\n");
                 printf("      Product: %s\n", strna(loader));
+                if (stub)
+                        printf("         Stub: %s\n", stub);
                 if (!sd_id128_is_null(loader_part_uuid))
                         printf("          ESP: /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(loader_part_uuid));