diff options
Diffstat (limited to 'MdeModulePkg/Universal/HiiDatabaseDxe/ConfigRouting.c')
| -rw-r--r-- | MdeModulePkg/Universal/HiiDatabaseDxe/ConfigRouting.c | 218 |
1 files changed, 170 insertions, 48 deletions
diff --git a/MdeModulePkg/Universal/HiiDatabaseDxe/ConfigRouting.c b/MdeModulePkg/Universal/HiiDatabaseDxe/ConfigRouting.c index 3a4fb98..90c67d8 100644 --- a/MdeModulePkg/Universal/HiiDatabaseDxe/ConfigRouting.c +++ b/MdeModulePkg/Universal/HiiDatabaseDxe/ConfigRouting.c @@ -61,8 +61,9 @@ CalculateConfigStringLen ( This is a internal function.
@param String UEFI configuration string
- @param DevicePath binary of a UEFI device path.
+ @param DevicePathData Binary of a UEFI device path.
+ @retval EFI_NOT_FOUND The device path is not invalid.
@retval EFI_INVALID_PARAMETER Any incoming parameter is invalid.
@retval EFI_OUT_OF_RESOURCES Lake of resources to store neccesary structures.
@retval EFI_SUCCESS The device path is retrieved and translated to
@@ -72,18 +73,19 @@ CalculateConfigStringLen ( EFI_STATUS
GetDevicePath (
IN EFI_STRING String,
- OUT UINT8 **DevicePath
+ OUT UINT8 **DevicePathData
)
{
- UINTN Length;
- EFI_STRING PathHdr;
- EFI_STRING DevicePathString;
- UINT8 *DevicePathBuffer;
- CHAR16 TemStr[2];
- UINTN Index;
- UINT8 DigitUint8;
-
- if (String == NULL || DevicePath == NULL) {
+ UINTN Length;
+ EFI_STRING PathHdr;
+ UINT8 *DevicePathBuffer;
+ CHAR16 TemStr[2];
+ UINTN Index;
+ UINT8 DigitUint8;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+
+
+ if (String == NULL || DevicePathData == NULL) {
return EFI_INVALID_PARAMETER;
}
@@ -94,8 +96,13 @@ GetDevicePath ( if (*String == 0) {
return EFI_INVALID_PARAMETER;
}
-
+ //
+ // Check whether path data does exist.
+ //
String += StrLen (L"PATH=");
+ if (*String == 0) {
+ return EFI_INVALID_PARAMETER;
+ }
PathHdr = String;
//
@@ -104,13 +111,13 @@ GetDevicePath ( // of UEFI device path.
//
for (Length = 0; *String != 0 && *String != L'&'; String++, Length++);
- DevicePathString = (EFI_STRING) AllocateZeroPool ((Length + 1) * sizeof (CHAR16));
- if (DevicePathString == NULL) {
- return EFI_OUT_OF_RESOURCES;
+ //
+ // Check DevicePath Length
+ //
+ if (((Length + 1) / 2) < sizeof (EFI_DEVICE_PATH_PROTOCOL)) {
+ return EFI_NOT_FOUND;
}
- StrnCpy (DevicePathString, PathHdr, Length);
- *(DevicePathString + Length) = 0;
-
+
//
// The data in <PathHdr> is encoded as hex UNICODE %02x bytes in the same order
// as the device path resides in RAM memory.
@@ -118,13 +125,15 @@ GetDevicePath ( //
DevicePathBuffer = (UINT8 *) AllocateZeroPool ((Length + 1) / 2);
if (DevicePathBuffer == NULL) {
- FreePool (DevicePathString);
return EFI_OUT_OF_RESOURCES;
}
-
+
+ //
+ // Convert DevicePath
+ //
ZeroMem (TemStr, sizeof (TemStr));
- for (Index = 0; DevicePathString[Index] != L'\0'; Index ++) {
- TemStr[0] = DevicePathString[Index];
+ for (Index = 0; Index < Length; Index ++) {
+ TemStr[0] = PathHdr[Index];
DigitUint8 = (UINT8) StrHexToUint64 (TemStr);
if ((Index & 1) == 0) {
DevicePathBuffer [Index/2] = DigitUint8;
@@ -132,13 +141,27 @@ GetDevicePath ( DevicePathBuffer [Index/2] = (UINT8) ((DevicePathBuffer [Index/2] << 4) + DigitUint8);
}
}
-
- FreePool (DevicePathString);
- *DevicePath = DevicePathBuffer;
+ //
+ // Validate DevicePath
+ //
+ DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) DevicePathBuffer;
+ while (!IsDevicePathEnd (DevicePath)) {
+ if ((DevicePath->Type == 0) || (DevicePath->SubType == 0) || (DevicePathNodeLength (DevicePath) > sizeof (EFI_DEV_PATH))) {
+ //
+ // Invalid device path
+ //
+ FreePool (DevicePathBuffer);
+ return EFI_NOT_FOUND;
+ }
+ DevicePath = NextDevicePathNode (DevicePath);
+ }
+ //
+ // return the device path
+ //
+ *DevicePathData = DevicePathBuffer;
return EFI_SUCCESS;
-
}
/**
@@ -1516,13 +1539,22 @@ Done: When Request points to NULL, the default value string
for each varstore in form package will be merged into
a <MultiConfigAltResp> format string and return.
+ @param PointerProgress Optional parameter, it can be be NULL.
+ When it is not NULL, if Request is NULL, it returns NULL.
+ On return, points to a character in the Request
+ string. Points to the string's null terminator if
+ request was successful. Points to the most recent
+ & before the first failing name / value pair (or
+ the beginning of the string if the failure is in
+ the first name / value pair) if the request was
+ not successful.
@retval EFI_SUCCESS The Results string is set to the full request string.
And AltCfgResp contains all default value string.
@retval EFI_OUT_OF_RESOURCES Not enough memory for the return string.
@retval EFI_NOT_FOUND The varstore (Guid and Name) in Request string
can't be found in Form package.
@retval EFI_NOT_FOUND HiiPackage can't be got on the input HiiHandle.
- @retval EFI_INVALID_PARAMETER *Request points to NULL.
+ @retval EFI_INVALID_PARAMETER Request points to NULL.
**/
EFI_STATUS
@@ -1531,7 +1563,8 @@ GetFullStringFromHiiFormPackages ( IN HII_DATABASE_RECORD *DataBaseRecord,
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
IN OUT EFI_STRING *Request,
- IN OUT EFI_STRING *AltCfgResp
+ IN OUT EFI_STRING *AltCfgResp,
+ OUT EFI_STRING *PointerProgress OPTIONAL
)
{
EFI_STATUS Status;
@@ -1552,6 +1585,7 @@ GetFullStringFromHiiFormPackages ( EFI_STRING NameStr;
EFI_STRING PathStr;
EFI_STRING StringPtr;
+ EFI_STRING Progress;
UINTN Length;
UINT8 *TmpBuffer;
UINT16 Offset;
@@ -1561,6 +1595,10 @@ GetFullStringFromHiiFormPackages ( LIST_ENTRY *LinkDefault;
BOOLEAN DataExist;
+ if (DataBaseRecord == NULL || DevicePath == NULL || Request == NULL || AltCfgResp == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
//
// Initialize the local variables.
//
@@ -1577,6 +1615,7 @@ GetFullStringFromHiiFormPackages ( ResultSize = 0;
PackageSize = 0;
DataExist = FALSE;
+ Progress = *Request;
//
// 0. Get Hii Form Package by HiiHandle
@@ -1623,7 +1662,47 @@ GetFullStringFromHiiFormPackages ( //
StringPtr = NULL;
if (*Request != NULL) {
- StringPtr = StrStr (*Request, L"&OFFSET=");
+ StringPtr = *Request;
+ //
+ // Jump <ConfigHdr>
+ //
+ if (StrnCmp (StringPtr, L"GUID=", StrLen (L"GUID=")) != 0) {
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
+ }
+ StringPtr += StrLen (L"GUID=");
+ while (*StringPtr != L'\0' && StrnCmp (StringPtr, L"&NAME=", StrLen (L"&NAME=")) != 0) {
+ StringPtr++;
+ }
+ if (*StringPtr == L'\0') {
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
+ }
+ StringPtr += StrLen (L"&NAME=");
+ while (*StringPtr != L'\0' && StrnCmp (StringPtr, L"&PATH=", StrLen (L"&PATH=")) != 0) {
+ StringPtr++;
+ }
+ if (*StringPtr == L'\0') {
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
+ }
+ StringPtr += StrLen (L"&PATH=");
+ while (*StringPtr != L'\0' && *StringPtr != L'&') {
+ StringPtr ++;
+ }
+ //
+ // Check the following string &OFFSET=
+ //
+ if (*StringPtr != L'\0' && StrnCmp (StringPtr, L"&OFFSET=", StrLen (L"&OFFSET=")) != 0) {
+ Progress = StringPtr;
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
+ } else if (*StringPtr == L'\0') {
+ //
+ // No request block is found.
+ //
+ StringPtr = NULL;
+ }
}
if (StringPtr != NULL) {
//
@@ -1649,7 +1728,8 @@ GetFullStringFromHiiFormPackages ( while (*StringPtr != 0 && StrnCmp (StringPtr, L"&OFFSET=", StrLen (L"&OFFSET=")) == 0) {
//
// Skip the OFFSET string
- //
+ //
+ Progress = StringPtr;
StringPtr += StrLen (L"&OFFSET=");
//
// Get Offset
@@ -1843,8 +1923,8 @@ GetFullStringFromHiiFormPackages ( // Compute the length of the entire request starting with <ConfigHdr> and a
// Null-terminator
//
- DataExist = FALSE;
- Length = StrLen (ConfigHdr) + 1;
+ DataExist = FALSE;
+ Length = StrLen (ConfigHdr) + 1;
for (Link = VarStorageData->BlockEntry.ForwardLink; Link != &VarStorageData->BlockEntry; Link = Link->ForwardLink) {
//
@@ -2094,6 +2174,16 @@ Done: FreePool (HiiFormPackage);
}
+ if (PointerProgress != NULL) {
+ if (*Request == NULL) {
+ *PointerProgress = NULL;
+ } else if (EFI_ERROR (Status)) {
+ *PointerProgress = Progress;
+ } else {
+ *PointerProgress = *Request + StrLen (*Request);
+ }
+ }
+
return Status;
}
@@ -2244,7 +2334,6 @@ HiiConfigRoutingExtractConfig ( Link = Link->ForwardLink
) {
Database = CR (Link, HII_DATABASE_RECORD, DatabaseEntry, HII_DATABASE_RECORD_SIGNATURE);
-
if ((DevicePathPkg = Database->PackageList->DevicePathPkg) != NULL) {
CurrentDevicePath = DevicePathPkg + sizeof (EFI_HII_PACKAGE_HEADER);
if (CompareMem (
@@ -2289,8 +2378,13 @@ HiiConfigRoutingExtractConfig ( // Get the full request string from IFR when HiiPackage is registered to HiiHandle
//
IfrDataParsedFlag = TRUE;
- Status = GetFullStringFromHiiFormPackages (Database, DevicePath, &ConfigRequest, &DefaultResults);
+ Status = GetFullStringFromHiiFormPackages (Database, DevicePath, &ConfigRequest, &DefaultResults, &AccessProgress);
if (EFI_ERROR (Status)) {
+ //
+ // AccessProgress indicates the parsing progress on <ConfigRequest>.
+ // Map it to the progress on <MultiConfigRequest> then return it.
+ //
+ *Progress = StrStr (StringPtr, AccessProgress);
goto Done;
}
//
@@ -2336,22 +2430,21 @@ HiiConfigRoutingExtractConfig ( //
// Update AccessResults by getting default setting from IFR when HiiPackage is registered to HiiHandle
//
- if (HiiHandle != NULL) {
- if (!IfrDataParsedFlag) {
- Status = GetFullStringFromHiiFormPackages (Database, DevicePath, &ConfigRequest, &AccessResults);
- } else if (DefaultResults != NULL) {
- Status = MergeDefaultString (&AccessResults, DefaultResults);
- FreePool (DefaultResults);
- DefaultResults = NULL;
- }
+ if (!IfrDataParsedFlag && HiiHandle != NULL) {
+ Status = GetFullStringFromHiiFormPackages (Database, DevicePath, &ConfigRequest, &DefaultResults, NULL);
+ ASSERT_EFI_ERROR (Status);
}
+
FreePool (DevicePath);
DevicePath = NULL;
-
- if (EFI_ERROR (Status)) {
- goto Done;
- }
+ if (DefaultResults != NULL) {
+ Status = MergeDefaultString (&AccessResults, DefaultResults);
+ ASSERT_EFI_ERROR (Status);
+ FreePool (DefaultResults);
+ DefaultResults = NULL;
+ }
+
NextConfigString:
if (!FirstElement) {
Status = AppendToMultiString (Results, L"&");
@@ -2440,6 +2533,7 @@ HiiConfigRoutingExportConfig ( EFI_STRING AccessResults;
EFI_STRING Progress;
EFI_STRING StringPtr;
+ EFI_STRING ConfigRequest;
UINTN Index;
EFI_HANDLE *ConfigAccessHandles;
UINTN NumberConfigAccessHandles;
@@ -2452,6 +2546,7 @@ HiiConfigRoutingExportConfig ( HII_DATABASE_RECORD *Database;
UINT8 *DevicePathPkg;
UINT8 *CurrentDevicePath;
+ BOOLEAN IfrDataParsedFlag;
if (This == NULL || Results == NULL) {
return EFI_INVALID_PARAMETER;
@@ -2495,10 +2590,12 @@ HiiConfigRoutingExportConfig ( //
// Get DevicePath and HiiHandle for this ConfigAccess driver handle
//
+ IfrDataParsedFlag = FALSE;
Progress = NULL;
HiiHandle = NULL;
DefaultResults = NULL;
Database = NULL;
+ ConfigRequest = NULL;
DevicePath = DevicePathFromHandle (ConfigAccessHandles[Index]);
if (DevicePath != NULL) {
for (Link = Private->DatabaseList.ForwardLink;
@@ -2526,17 +2623,42 @@ HiiConfigRoutingExportConfig ( &Progress,
&AccessResults
);
- if (!EFI_ERROR (Status)) {
+ if (EFI_ERROR (Status)) {
//
// Update AccessResults by getting default setting from IFR when HiiPackage is registered to HiiHandle
//
if (HiiHandle != NULL && DevicePath != NULL) {
+ IfrDataParsedFlag = TRUE;
+ Status = GetFullStringFromHiiFormPackages (Database, DevicePath, &ConfigRequest, &DefaultResults, NULL);
+ //
+ // Get the full request string to get the Current setting again.
+ //
+ if (!EFI_ERROR (Status) && ConfigRequest != NULL) {
+ Status = ConfigAccess->ExtractConfig (
+ ConfigAccess,
+ ConfigRequest,
+ &Progress,
+ &AccessResults
+ );
+ FreePool (ConfigRequest);
+ } else {
+ Status = EFI_NOT_FOUND;
+ }
+ }
+ }
+
+ if (!EFI_ERROR (Status)) {
+ //
+ // Update AccessResults by getting default setting from IFR when HiiPackage is registered to HiiHandle
+ //
+ if (!IfrDataParsedFlag && HiiHandle != NULL && DevicePath != NULL) {
StringPtr = StrStr (AccessResults, L"&GUID=");
if (StringPtr != NULL) {
*StringPtr = 0;
}
if (StrStr (AccessResults, L"&OFFSET=") != NULL) {
- Status = GetFullStringFromHiiFormPackages (Database, DevicePath, &AccessResults, &DefaultResults);
+ Status = GetFullStringFromHiiFormPackages (Database, DevicePath, &AccessResults, &DefaultResults, NULL);
+ ASSERT_EFI_ERROR (Status);
}
if (StringPtr != NULL) {
*StringPtr = L'&';
|