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FIT checksum bugfix

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- and small refactorings
This commit is contained in:
Nikolaj Schlej 2016-07-18 06:49:31 +02:00
parent f90427229d
commit 03567dbe66
3 changed files with 13 additions and 14 deletions
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5
common/ffsparser.cpp
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@ -2896,16 +2896,15 @@ USTATUS FfsParser::parseFit(const UModelIndex & index, const UINT32 diff)
FIT_ENTRY* tempFitHeader = (FIT_ENTRY*)tempFIT.data(); FIT_ENTRY* tempFitHeader = (FIT_ENTRY*)tempFIT.data();
tempFitHeader->Checksum = 0; tempFitHeader->Checksum = 0;
UINT8 calculated = calculateChecksum8((const UINT8*)tempFitHeader, fitSize); UINT8 calculated = calculateChecksum8((const UINT8*)tempFitHeader, fitSize);
calculated |= 0x80; // Set checksum flag on calculated checksum
if (calculated != fitHeader->Checksum) { if (calculated != fitHeader->Checksum) {
msg(usprintf("parseFit: invalid FIT table checksum %02Xh, should be %02Xh", fitHeader->Checksum, calculated), fitIndex); msg(usprintf("parseFit: invalid FIT table checksum %02Xh, should be %02Xh", fitHeader->Checksum, calculated), fitIndex);
} }
} }
// Check fit header type // Check fit header type
if ((fitHeader->Type & 0x7F) != FIT_TYPE_HEADER) { if ((fitHeader->Type & 0x7F) != FIT_TYPE_HEADER)
msg(("Invalid FIT header type"), fitIndex); msg(("Invalid FIT header type"), fitIndex);
}
// Add FIT header to fitTable // Add FIT header to fitTable
std::vector<UString> currentStrings; std::vector<UString> currentStrings;

20
common/types.cpp
View File

@ -167,16 +167,16 @@ UString actionTypeToUString(const UINT8 action)
UString fitEntryTypeToUString(const UINT8 type) UString fitEntryTypeToUString(const UINT8 type)
{ {
switch (type & 0x7F) { switch (type & 0x7F) {
case FIT_TYPE_HEADER: return ("FIT Header "); case FIT_TYPE_HEADER: return ("FIT Header");
case FIT_TYPE_MICROCODE: return ("Microcode "); case FIT_TYPE_MICROCODE: return ("Microcode");
case FIT_TYPE_BIOS_AC_MODULE: return ("BIOS ACM "); case FIT_TYPE_BIOS_AC_MODULE: return ("BIOS ACM");
case FIT_TYPE_BIOS_INIT_MODULE: return ("BIOS Init "); case FIT_TYPE_BIOS_INIT_MODULE: return ("BIOS Init");
case FIT_TYPE_TPM_POLICY: return ("TPM Policy "); case FIT_TYPE_TPM_POLICY: return ("TPM Policy");
case FIT_TYPE_BIOS_POLICY_DATA: return ("BIOS Policy Data "); case FIT_TYPE_BIOS_POLICY_DATA: return ("BIOS Policy Data");
case FIT_TYPE_TXT_CONF_POLICY: return ("TXT Configuration Policy"); case FIT_TYPE_TXT_CONF_POLICY: return ("TXT Configuration Policy");
case FIT_TYPE_AC_KEY_MANIFEST: return ("BootGuard Key Manifest "); case FIT_TYPE_AC_KEY_MANIFEST: return ("BootGuard Key Manifest");
case FIT_TYPE_AC_BOOT_POLICY: return ("BootGuard Boot Policy "); case FIT_TYPE_AC_BOOT_POLICY: return ("BootGuard Boot Policy");
case FIT_TYPE_EMPTY: return ("Empty "); case FIT_TYPE_EMPTY: return ("Empty");
default: return ("Unknown "); default: return ("Unknown");
} }
} }