Skip to content

tpm2_eventlog: parse vendor_db as EFI_SIGNATURE_DATA #3507

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
JuergenReppSIT merged 1 commit into from
Sep 8, 2025
Merged

tpm2_eventlog: parse vendor_db as EFI_SIGNATURE_DATA #3507

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 5 additions & 2 deletions lib/tpm2_eventlog_yaml.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,8 @@
#define NAME_SHIM "Shim"
#define NAME_SHIM_LEN 4
#define NAME_SECUREBOOT_LEN 10
#define NAME_VENDOR_DB "vendor_db"
#define NAME_VENDOR_DB_LEN 9

static void guid_unparse_lower(EFI_GUID guid, char guid_buf[37]) {

Expand Down Expand Up @@ -645,8 +647,9 @@ static bool yaml_uefi_var(UEFI_VARIABLE_DATA *data, size_t size, UINT32 type,
}
return true;
} else if ((strlen(ret) == NAME_DB_LEN && strncmp(ret, NAME_DB, NAME_DB_LEN) == 0) ||
(strlen(ret) == NAME_SHIM_LEN && strncmp(ret, NAME_SHIM, NAME_SHIM_LEN) == 0)) {
/* db and Shim will be parsed as EFI_SIGNATURE_DATA */
(strlen(ret) == NAME_SHIM_LEN && strncmp(ret, NAME_SHIM, NAME_SHIM_LEN) == 0) ||
(strlen(ret) == NAME_VENDOR_DB_LEN && strncmp(ret, NAME_VENDOR_DB, NAME_VENDOR_DB_LEN) == 0)) {
/* db, Shim and vendor_db will be parsed as EFI_SIGNATURE_DATA */
free(ret);
tpm2_tool_output(" VariableData:\n");
EFI_SIGNATURE_DATA *s= (EFI_SIGNATURE_DATA *)&data->UnicodeName[
Expand Down
Loading