diff mbox series

[v3,04/13] uefi-sb-keys.bbclass: Add class to validate UEFI keys

Message ID 20240822014335.3394568-5-javier.tia@linaro.org
State New
Headers show
Series qemuarm64-secureboot: Add UEFI Secure Boot | expand

Commit Message

Javier Tia Aug. 22, 2024, 1:43 a.m. UTC 
Without UEFI keys, signing will fail and the OS will not boot.

Signed-off-by: Javier Tia <javier.tia@linaro.org>
---
 meta-arm/classes/uefi-sb-keys.bbclass | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 meta-arm/classes/uefi-sb-keys.bbclass
diff mbox series

Patch

diff --git a/meta-arm/classes/uefi-sb-keys.bbclass b/meta-arm/classes/uefi-sb-keys.bbclass
new file mode 100644
index 00000000..e800b4c6
--- /dev/null
+++ b/meta-arm/classes/uefi-sb-keys.bbclass
@@ -0,0 +1,24 @@ 
+# Validate UEFI keys
+python __anonymous () {
+    if d.getVar("UEFI_SB_KEYS_DIR", False) is None:
+        raise bb.parse.SkipRecipe("UEFI_SB_KEYS_DIR is not set.")
+
+    # keys used for UEFI secure boot
+    uefi_sb_keys = d.getVar("UEFI_SB_KEYS_DIR")
+
+    keys_to_check = [
+        uefi_sb_keys + "/PK.esl",
+        uefi_sb_keys + "/KEK.esl",
+        uefi_sb_keys + "/dbx.esl",
+        uefi_sb_keys + "/db.esl",
+        uefi_sb_keys + "/db.key",
+        uefi_sb_keys + "/db.crt",
+    ]
+
+    missing_keys = [f for f in keys_to_check if not os.path.exists(f)]
+
+    if missing_keys:
+        raise bb.parse.SkipRecipe("Required missing keys: %s" % (", ".join(missing_keys), )
+            + ".\nRun %s/gen_uefi_keys.sh to generate missing keys." % uefi_sb_keys)
+
+}