[PATCH v2 5/7] common: avb_verify: add str_avb_io_error/str_avb_slot_error
Igor Opaniuk
igor.opaniuk at foundries.io
Fri Feb 9 20:20:43 CET 2024
From: Igor Opaniuk <igor.opaniuk at gmail.com>
Introduce str_avb_io_error() and str_avb_slot_error() functions,
that provide a pointer to AVB runtime error message.
Reviewed-by: Mattijs Korpershoek <mkorpershoek at baylibre.com>
Signed-off-by: Igor Opaniuk <igor.opaniuk at gmail.com>
---
Changes in v2:
- Mattijs Korpershoek R-b tag applied
common/avb_verify.c | 49 ++++++++++++++++++++++++++++++++++++++++++++
include/avb_verify.h | 3 ++-
2 files changed, 51 insertions(+), 1 deletion(-)
diff --git a/common/avb_verify.c b/common/avb_verify.c
index ed58239cf8a..cff9117d92f 100644
--- a/common/avb_verify.c
+++ b/common/avb_verify.c
@@ -119,6 +119,55 @@ static const unsigned char avb_root_pub[1032] = {
0xd8, 0x7e,
};
+const char *str_avb_io_error(AvbIOResult res)
+{
+ switch (res) {
+ case AVB_IO_RESULT_OK:
+ return "Requested operation was successful";
+ case AVB_IO_RESULT_ERROR_IO:
+ return "Underlying hardware encountered an I/O error";
+ case AVB_IO_RESULT_ERROR_OOM:
+ return "Unable to allocate memory";
+ case AVB_IO_RESULT_ERROR_NO_SUCH_PARTITION:
+ return "Requested partition does not exist";
+ case AVB_IO_RESULT_ERROR_RANGE_OUTSIDE_PARTITION:
+ return "Bytes requested is outside the range of partition";
+ case AVB_IO_RESULT_ERROR_NO_SUCH_VALUE:
+ return "Named persistent value does not exist";
+ case AVB_IO_RESULT_ERROR_INVALID_VALUE_SIZE:
+ return "Named persistent value size is not supported";
+ case AVB_IO_RESULT_ERROR_INSUFFICIENT_SPACE:
+ return "Buffer is too small for the requested operation";
+ default:
+ return "Unknown AVB error";
+ }
+}
+
+const char *str_avb_slot_error(AvbSlotVerifyResult res)
+{
+ switch (res) {
+ case AVB_SLOT_VERIFY_RESULT_OK:
+ return "Verification passed successfully";
+ case AVB_SLOT_VERIFY_RESULT_ERROR_OOM:
+ return "Allocation of memory failed";
+ case AVB_SLOT_VERIFY_RESULT_ERROR_IO:
+ return "I/O error occurred while trying to load data";
+ case AVB_SLOT_VERIFY_RESULT_ERROR_VERIFICATION:
+ return "Digest didn't match or signature checks failed";
+ case AVB_SLOT_VERIFY_RESULT_ERROR_ROLLBACK_INDEX:
+ return "Rollback index is less than its stored value";
+ case AVB_SLOT_VERIFY_RESULT_ERROR_PUBLIC_KEY_REJECTED:
+ return "Public keys are not accepted";
+ case AVB_SLOT_VERIFY_RESULT_ERROR_INVALID_METADATA:
+ return "Metadata is invalid or inconsistent";
+ case AVB_SLOT_VERIFY_RESULT_ERROR_UNSUPPORTED_VERSION:
+ return "Metadata requires a newer version of libavb";
+ case AVB_SLOT_VERIFY_RESULT_ERROR_INVALID_ARGUMENT:
+ return "Invalid arguments are used";
+ default:
+ return "Unknown AVB slot verification error";
+ }
+}
/**
* ============================================================================
* Boot states support (GREEN, YELLOW, ORANGE, RED) and dm_verity
diff --git a/include/avb_verify.h b/include/avb_verify.h
index 2fb850044d9..5d998b5a302 100644
--- a/include/avb_verify.h
+++ b/include/avb_verify.h
@@ -52,7 +52,8 @@ char *avb_set_enforce_verity(const char *cmdline);
char *avb_set_ignore_corruption(const char *cmdline);
char *append_cmd_line(char *cmdline_orig, char *cmdline_new);
-
+const char *str_avb_io_error(AvbIOResult res);
+const char *str_avb_slot_error(AvbSlotVerifyResult res);
/**
* ============================================================================
* I/O helper inline functions
--
2.34.1
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