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authorFu Siyuan <siyuan.fu@intel.com>2013-08-28 09:06:40 +0000
committersfu5 <sfu5@6f19259b-4bc3-4df7-8a09-765794883524>2013-08-28 09:06:40 +0000
commitdb44ea6c4e093c1a53d752bb21b9eba8ad8fdaa9 (patch)
treea00daff473008535bad283c2a9f1b97b170b50c6 /SecurityPkg
parent98fed08f9f55e623b8f95518f69e35aca9ff1541 (diff)
downloadedk2-topics-db44ea6c4e093c1a53d752bb21b9eba8ad8fdaa9.tar.gz
1. Change default PCD in SecurityPkg to 4 (DENY_EXECUTE) in DEC file.
2. ASSERT if PCD value is set to 5 (QUERY_USER_ON_SECURITY_VIOLATION). 3. Update override PCD setting from 5 to 4 in platform DSC file. Signed-off-by: Fu Siyuan <siyuan.fu@intel.com> Reviewed-by: Ni Ruiyu <ruiyu.ni@intel.com> Reviewed-by: Ye Ting <ting.ye@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14607 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'SecurityPkg')
-rw-r--r--SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c8
-rw-r--r--SecurityPkg/SecurityPkg.dec9
2 files changed, 14 insertions, 3 deletions
diff --git a/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c b/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c
index 9e4bf8681..2458ee2ae 100644
--- a/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c
+++ b/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c
@@ -1086,6 +1086,14 @@ DxeImageVerificationHandler (
return EFI_ACCESS_DENIED;
}
+ //
+ // The policy QUERY_USER_ON_SECURITY_VIOLATION violates the UEFI spec and has been removed.
+ //
+ ASSERT (Policy != QUERY_USER_ON_SECURITY_VIOLATION);
+ if (Policy == QUERY_USER_ON_SECURITY_VIOLATION) {
+ CpuDeadLoop ();
+ }
+
GetEfiGlobalVariable2 (EFI_SECURE_BOOT_MODE_NAME, (VOID**)&SecureBoot, NULL);
//
// Skip verification if SecureBoot variable doesn't exist.
diff --git a/SecurityPkg/SecurityPkg.dec b/SecurityPkg/SecurityPkg.dec
index 4c3129a8a..610682717 100644
--- a/SecurityPkg/SecurityPkg.dec
+++ b/SecurityPkg/SecurityPkg.dec
@@ -87,7 +87,8 @@
# DEFER_EXECUTE_ON_SECURITY_VIOLATION 0x00000003
# DENY_EXECUTE_ON_SECURITY_VIOLATION 0x00000004
# QUERY_USER_ON_SECURITY_VIOLATION 0x00000005
- gEfiSecurityPkgTokenSpaceGuid.PcdOptionRomImageVerificationPolicy|0x00|UINT32|0x00000001
+ # NOTE: Do NOT use QUERY_USER_ON_SECURITY_VIOLATION since it violates the UEFI specification and has been removed.
+ gEfiSecurityPkgTokenSpaceGuid.PcdOptionRomImageVerificationPolicy|0x04|UINT32|0x00000001
## Pcd for removable media.
# Removable media include CD-ROM, Floppy, USB and network.
@@ -98,7 +99,8 @@
# DEFER_EXECUTE_ON_SECURITY_VIOLATION 0x00000003
# DENY_EXECUTE_ON_SECURITY_VIOLATION 0x00000004
# QUERY_USER_ON_SECURITY_VIOLATION 0x00000005
- gEfiSecurityPkgTokenSpaceGuid.PcdRemovableMediaImageVerificationPolicy|0x05|UINT32|0x00000002
+ # NOTE: Do NOT use QUERY_USER_ON_SECURITY_VIOLATION since it violates the UEFI specification and has been removed.
+ gEfiSecurityPkgTokenSpaceGuid.PcdRemovableMediaImageVerificationPolicy|0x04|UINT32|0x00000002
## Pcd for fixed media.
# Fixed media include hard disk.
@@ -109,7 +111,8 @@
# DEFER_EXECUTE_ON_SECURITY_VIOLATION 0x00000003
# DENY_EXECUTE_ON_SECURITY_VIOLATION 0x00000004
# QUERY_USER_ON_SECURITY_VIOLATION 0x00000005
- gEfiSecurityPkgTokenSpaceGuid.PcdFixedMediaImageVerificationPolicy|0x05|UINT32|0x00000003
+ # NOTE: Do NOT use QUERY_USER_ON_SECURITY_VIOLATION since it violates the UEFI specification and has been removed.
+ gEfiSecurityPkgTokenSpaceGuid.PcdFixedMediaImageVerificationPolicy|0x04|UINT32|0x00000003
## Defer Image Load policy settings.
# The policy is bitwise.