X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=MdeModulePkg%2FUniversal%2FHiiDatabaseDxe%2FConfigRouting.c;h=a83a2ff77779dfebfc39f24776a838ef2019e7a4;hb=40ae09a2a77740e08731fc79bc3d22f043ea3128;hp=8decc76102094fbf3f8f14c719da9543e8afc7fa;hpb=813acf3a9a99e97ab200c7e222ee96810a9aa3fd;p=mirror_edk2.git diff --git a/MdeModulePkg/Universal/HiiDatabaseDxe/ConfigRouting.c b/MdeModulePkg/Universal/HiiDatabaseDxe/ConfigRouting.c index 8decc76102..a83a2ff777 100644 --- a/MdeModulePkg/Universal/HiiDatabaseDxe/ConfigRouting.c +++ b/MdeModulePkg/Universal/HiiDatabaseDxe/ConfigRouting.c @@ -1,7 +1,8 @@ /** @file +Implementation of interfaces function for EFI_HII_CONFIG_ROUTING_PROTOCOL. -Copyright (c) 2007 - 2008, Intel Corporation -All rights reserved. This program and the accompanying materials +Copyright (c) 2007 - 2013, Intel Corporation. All rights reserved.
+This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License which accompanies this distribution. The full text of the license may be found at http://opensource.org/licenses/bsd-license.php @@ -9,41 +10,30 @@ http://opensource.org/licenses/bsd-license.php THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. -Module Name: - - ConfigRouting.c - -Abstract: - - Implementation for EFI_HII_CONFIG_ROUTING_PROTOCOL. - -Revision History - - **/ #include "HiiDatabase.h" - -#ifndef DISABLE_UNUSED_HII_PROTOCOLS +extern HII_DATABASE_PRIVATE_DATA mPrivate; /** Calculate the number of Unicode characters of the incoming Configuration string, not including NULL terminator. + This is a internal function. + @param String String in or format. @return The number of Unicode characters. **/ -STATIC UINTN CalculateConfigStringLen ( IN EFI_STRING String ) { - UINTN Length; + EFI_STRING TmpPtr; // // "GUID=" should be the first element of incoming string. @@ -51,19 +41,16 @@ CalculateConfigStringLen ( ASSERT (String != NULL); ASSERT (StrnCmp (String, L"GUID=", StrLen (L"GUID=")) == 0); - Length = StrLen (L"GUID="); - String += Length; - // // The beginning of next / should be "&GUID=". // Will meet '\0' if there is only one /. - // - while (*String != 0 && StrnCmp (String, L"&GUID=", StrLen (L"&GUID=")) != 0) { - Length++; - String++; + // + TmpPtr = StrStr (String, L"&GUID="); + if (TmpPtr == NULL) { + return StrLen (String); } - return Length; + return (TmpPtr - String); } @@ -71,27 +58,34 @@ CalculateConfigStringLen ( Convert the hex UNICODE %02x encoding of a UEFI device path to binary from of . + 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 binary format. **/ -STATIC EFI_STATUS GetDevicePath ( IN EFI_STRING String, - OUT UINT8 **DevicePath + OUT UINT8 **DevicePathData ) { - UINTN Length; - EFI_STRING PathHdr; - EFI_STRING DevicePathString; + UINTN Length; + EFI_STRING PathHdr; + UINT8 *DevicePathBuffer; + CHAR16 TemStr[2]; + UINTN Index; + UINT8 DigitUint8; + EFI_DEVICE_PATH_PROTOCOL *DevicePath; - if (String == NULL || DevicePath == NULL) { + + if (String == NULL || DevicePathData == NULL) { return EFI_INVALID_PARAMETER; } @@ -102,8 +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; // @@ -112,224 +111,115 @@ 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 is encoded as hex UNICODE %02x bytes in the same order // as the device path resides in RAM memory. // Translate the data into binary. // - Length /= 2; - *DevicePath = (UINT8 *) AllocateZeroPool (Length); - if (*DevicePath == NULL) { - SafeFreePool (DevicePathString); + DevicePathBuffer = (UINT8 *) AllocateZeroPool ((Length + 1) / 2); + if (DevicePathBuffer == NULL) { return EFI_OUT_OF_RESOURCES; } - - HexStringToBuffer (*DevicePath, &Length, DevicePathString); - - SafeFreePool (DevicePathString); - - return EFI_SUCCESS; - -} - - -/** - Extract Storage from all Form Packages in current hii database. - - @param HiiDatabase EFI_HII_DATABASE_PROTOCOL instance. - @param StorageListHead Storage link List head. - - @retval EFI_NOT_FOUND There is no form package in current hii database. - @retval EFI_INVALID_PARAMETER Any parameter is invalid. - @retval EFI_SUCCESS All existing storage is exported. - -**/ -STATIC -EFI_STATUS -ExportAllStorage ( - IN EFI_HII_DATABASE_PROTOCOL *HiiDatabase, - IN OUT LIST_ENTRY *StorageListHead -) -{ - EFI_STATUS Status; - UINTN BufferSize; - UINTN HandleCount; - EFI_HII_HANDLE *HandleBuffer; - UINTN Index; - UINTN Index2; - EFI_HII_PACKAGE_LIST_HEADER *HiiPackageList; - EFI_HII_PACKAGE_HEADER *Package; - UINT8 *OpCodeData; - UINT8 Operand; - UINT32 Offset; - HII_FORMSET_STORAGE *Storage; - EFI_HII_HANDLE HiiHandle; - EFI_HANDLE DriverHandle; - CHAR8 *AsciiString; - UINT32 PackageListLength; - EFI_HII_PACKAGE_HEADER PackageHeader; - - // - // Find the package list which contains Form package. + // - BufferSize = 0; - HandleBuffer = NULL; - Status = HiiListPackageLists ( - HiiDatabase, - EFI_HII_PACKAGE_FORM, - NULL, - &BufferSize, - HandleBuffer - ); - if (Status == EFI_BUFFER_TOO_SMALL) { - HandleBuffer = AllocateZeroPool (BufferSize); - ASSERT (HandleBuffer != NULL); - - Status = HiiListPackageLists ( - HiiDatabase, - EFI_HII_PACKAGE_FORM, - NULL, - &BufferSize, - HandleBuffer - ); - } - if (EFI_ERROR (Status)) { - SafeFreePool (HandleBuffer); - return Status; - } - - HandleCount = BufferSize / sizeof (EFI_HII_HANDLE); - for (Index = 0; Index < HandleCount; Index++) { - HiiHandle = HandleBuffer[Index]; - - BufferSize = 0; - HiiPackageList = NULL; - Status = HiiExportPackageLists (HiiDatabase, HiiHandle, &BufferSize, HiiPackageList); - if (Status == EFI_BUFFER_TOO_SMALL) { - HiiPackageList = AllocateZeroPool (BufferSize); - ASSERT (HiiPackageList != NULL); - Status = HiiExportPackageLists (HiiDatabase, HiiHandle, &BufferSize, HiiPackageList); - } - if (EFI_ERROR (Status)) { - SafeFreePool (HandleBuffer); - SafeFreePool (HiiPackageList); - return Status; - } - - // - // Get Form package from this HII package List - // - Offset = sizeof (EFI_HII_PACKAGE_LIST_HEADER); - CopyMem (&PackageListLength, &HiiPackageList->PackageLength, sizeof (UINT32)); - Package = NULL; - ZeroMem (&PackageHeader, sizeof (EFI_HII_PACKAGE_HEADER)); - - while (Offset < PackageListLength) { - Package = (EFI_HII_PACKAGE_HEADER *) (((UINT8 *) HiiPackageList) + Offset); - CopyMem (&PackageHeader, Package, sizeof (EFI_HII_PACKAGE_HEADER)); - if (PackageHeader.Type == EFI_HII_PACKAGE_FORM) { - break; - } - Offset += PackageHeader.Length; + // Convert DevicePath + // + ZeroMem (TemStr, sizeof (TemStr)); + for (Index = 0; Index < Length; Index ++) { + TemStr[0] = PathHdr[Index]; + DigitUint8 = (UINT8) StrHexToUint64 (TemStr); + if ((Index & 1) == 0) { + DevicePathBuffer [Index/2] = DigitUint8; + } else { + DevicePathBuffer [Index/2] = (UINT8) ((DevicePathBuffer [Index/2] << 4) + DigitUint8); } - if (Offset >= PackageListLength) { + } + + // + // Validate DevicePath + // + DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) DevicePathBuffer; + while (!IsDevicePathEnd (DevicePath)) { + if ((DevicePath->Type == 0) || (DevicePath->SubType == 0) || (DevicePathNodeLength (DevicePath) < sizeof (EFI_DEVICE_PATH_PROTOCOL))) { // - // Error here: No Form package found in this Package List + // Invalid device path // - ASSERT (FALSE); + FreePool (DevicePathBuffer); + return EFI_NOT_FOUND; } + DevicePath = NextDevicePathNode (DevicePath); + } - // - // Search Storage definition in this Form package - // - Offset = sizeof (EFI_HII_PACKAGE_HEADER); - while (Offset < PackageHeader.Length) { - OpCodeData = ((UINT8 *) Package) + Offset; - Offset += ((EFI_IFR_OP_HEADER *) OpCodeData)->Length; - - Operand = ((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode; - - if ((Operand == EFI_IFR_VARSTORE_OP) || - (Operand == EFI_IFR_VARSTORE_NAME_VALUE_OP) || - (Operand == EFI_IFR_VARSTORE_EFI_OP)) { - - Storage = AllocateZeroPool (sizeof (HII_FORMSET_STORAGE)); - ASSERT (Storage != NULL); - InsertTailList (StorageListHead, &Storage->Entry); - - Storage->Signature = HII_FORMSET_STORAGE_SIGNATURE; - Storage->HiiHandle = HiiHandle; - - Status = HiiGetPackageListHandle (HiiDatabase, HiiHandle, &DriverHandle); - if (EFI_ERROR (Status)) { - SafeFreePool (HandleBuffer); - SafeFreePool (HiiPackageList); - SafeFreePool (Storage); - return Status; - } - Storage->DriverHandle = DriverHandle; + // + // return the device path + // + *DevicePathData = DevicePathBuffer; + return EFI_SUCCESS; +} - if (Operand == EFI_IFR_VARSTORE_OP) { - Storage->Type = EFI_HII_VARSTORE_BUFFER; +/** + Converts the unicode character of the string from uppercase to lowercase. + This is a internal function. - CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE *) OpCodeData)->Guid, sizeof (EFI_GUID)); - CopyMem (&Storage->Size, &((EFI_IFR_VARSTORE *) OpCodeData)->Size, sizeof (UINT16)); + @param ConfigString String to be converted - AsciiString = (CHAR8 *) ((EFI_IFR_VARSTORE *) OpCodeData)->Name; - Storage->Name = AllocateZeroPool (AsciiStrSize (AsciiString) * 2); - ASSERT (Storage->Name != NULL); - for (Index2 = 0; AsciiString[Index2] != 0; Index2++) { - Storage->Name[Index2] = (CHAR16) AsciiString[Index2]; - } - // - // Append '\0' to the end of the unicode string. - // - Storage->Name[Index2] = 0; - } else if (Operand == EFI_IFR_VARSTORE_NAME_VALUE_OP) { - Storage->Type = EFI_HII_VARSTORE_NAME_VALUE; +**/ +VOID +EFIAPI +HiiToLower ( + IN EFI_STRING ConfigString + ) +{ + EFI_STRING String; + BOOLEAN Lower; - CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->Guid, sizeof (EFI_GUID)); - } else if (Operand == EFI_IFR_VARSTORE_EFI_OP) { - Storage->Type = EFI_HII_VARSTORE_EFI_VARIABLE; + ASSERT (ConfigString != NULL); - CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Guid, sizeof (EFI_GUID)); - } - } + // + // Convert all hex digits in range [A-F] in the configuration header to [a-f] + // + for (String = ConfigString, Lower = FALSE; *String != L'\0'; String++) { + if (*String == L'=') { + Lower = TRUE; + } else if (*String == L'&') { + Lower = FALSE; + } else if (Lower && *String >= L'A' && *String <= L'F') { + *String = (CHAR16) (*String - L'A' + L'a'); } - - SafeFreePool (HiiPackageList); } - SafeFreePool (HandleBuffer); - - return EFI_SUCCESS; + return; } - /** Generate a sub string then output it. + This is a internal function. + @param String A constant string which is the prefix of the to be generated string, e.g. GUID= + @param BufferLen The length of the Buffer in bytes. + @param Buffer Points to a buffer which will be converted to be the - content of the generated string. - @param Flag If 1, the buffer contains data for the value of GUID or PATH stored in - UINT8 *; if 2, the buffer contains unicode string for the value of NAME; - if 3, the buffer contains other data. + content of the generated string. + + @param Flag If 1, the buffer contains data for the value of GUID or PATH stored in + UINT8 *; if 2, the buffer contains unicode string for the value of NAME; + if 3, the buffer contains other data. + @param SubStr Points to the output string. It's caller's responsibility to free this buffer. **/ -STATIC VOID GenerateSubStr ( IN CONST EFI_STRING String, @@ -341,47 +231,74 @@ GenerateSubStr ( { UINTN Length; EFI_STRING Str; - EFI_STATUS Status; EFI_STRING StringHeader; + CHAR16 *TemString; + CHAR16 *TemName; + UINT8 *TemBuffer; + UINTN Index; ASSERT (String != NULL && SubStr != NULL); if (Buffer == NULL) { *SubStr = AllocateCopyPool (StrSize (String), String); ASSERT (*SubStr != NULL); - return ; + return; } - + + // + // Header + Data + '&' + '\0' + // Length = StrLen (String) + BufferLen * 2 + 1 + 1; - Str = AllocateZeroPool (Length * sizeof (CHAR16)); + Str = AllocateZeroPool (Length * sizeof (CHAR16)); ASSERT (Str != NULL); StrCpy (Str, String); Length = (BufferLen * 2 + 1) * sizeof (CHAR16); - Status = EFI_SUCCESS; StringHeader = Str + StrLen (String); + TemString = (CHAR16 *) StringHeader; switch (Flag) { case 1: - Status = BufferToHexString (StringHeader, (UINT8 *) Buffer, BufferLen); + // + // Convert Buffer to Hex String in reverse order + // + TemBuffer = ((UINT8 *) Buffer); + for (Index = 0; Index < BufferLen; Index ++, TemBuffer ++) { + TemString += UnicodeValueToString (TemString, PREFIX_ZERO | RADIX_HEX, *TemBuffer, 2); + } break; case 2: - Status = UnicodeToConfigString (StringHeader, &Length, (CHAR16 *) Buffer); + // + // Check buffer is enough + // + TemName = (CHAR16 *) Buffer; + ASSERT ((BufferLen * 2 + 1) >= (StrLen (TemName) * 4 + 1)); + // + // Convert Unicode String to Config String, e.g. "ABCD" => "0041004200430044" + // + for (; *TemName != L'\0'; TemName++) { + TemString += UnicodeValueToString (TemString, PREFIX_ZERO | RADIX_HEX, *TemName, 4); + } break; case 3: - Status = BufToHexString (StringHeader, &Length, (UINT8 *) Buffer, BufferLen); // - // Convert the uppercase to lowercase since is defined in lowercase format. + // Convert Buffer to Hex String // - ToLower (StringHeader); + TemBuffer = ((UINT8 *) Buffer) + BufferLen - 1; + for (Index = 0; Index < BufferLen; Index ++, TemBuffer --) { + TemString += UnicodeValueToString (TemString, PREFIX_ZERO | RADIX_HEX, *TemBuffer, 2); + } break; default: break; } - ASSERT_EFI_ERROR (Status); - StrCat (Str, L"&"); + // + // Convert the uppercase to lowercase since is defined in lowercase format. + // + StrCat (Str, L"&"); + HiiToLower (Str); *SubStr = Str; } @@ -390,6 +307,8 @@ GenerateSubStr ( /** Retrieve the from String then output it. + This is a internal function. + @param String A sub string of a configuration string in format. @param ConfigBody Points to the output string. It's caller's @@ -400,7 +319,6 @@ GenerateSubStr ( @retval EFI_SUCCESS All existing storage is exported. **/ -STATIC EFI_STATUS OutputConfigBody ( IN EFI_STRING String, @@ -414,6 +332,13 @@ OutputConfigBody ( if (String == NULL || ConfigBody == NULL) { return EFI_INVALID_PARAMETER; } + + // + // The setting information should start OFFSET, not ALTCFG. + // + if (StrnCmp (String, L"&ALTCFG=", StrLen (L"&ALTCFG=")) == 0) { + return EFI_INVALID_PARAMETER; + } TmpPtr = StrStr (String, L"GUID="); if (TmpPtr == NULL) { @@ -438,55 +363,13 @@ OutputConfigBody ( *(Result + Length - 1) = 0; *ConfigBody = Result; return EFI_SUCCESS; - -} - - -#endif - -VOID * -ReallocatePool ( - IN VOID *OldPool, - IN UINTN OldSize, - IN UINTN NewSize - ) -/*++ - -Routine Description: - Adjusts the size of a previously allocated buffer. - -Arguments: - OldPool - A pointer to the buffer whose size is being adjusted. - OldSize - The size of the current buffer. - NewSize - The size of the new buffer. - -Returns: - Points to the new buffer - ---*/ -{ - VOID *NewPool; - - NewPool = NULL; - if (NewSize) { - NewPool = AllocateZeroPool (NewSize); - } - - if (OldPool) { - if (NewPool) { - CopyMem (NewPool, OldPool, OldSize < NewSize ? OldSize : NewSize); - } - - gBS->FreePool (OldPool); - } - - return NewPool; } - /** Append a string to a multi-string format. + This is a internal function. + @param MultiString String in , , or . On input, the buffer length of this string is @@ -498,7 +381,6 @@ Returns: @retval EFI_SUCCESS AppendString is append to the end of MultiString **/ -STATIC EFI_STATUS AppendToMultiString ( IN OUT EFI_STRING *MultiString, @@ -521,12 +403,12 @@ AppendToMultiString ( if (MultiStringSize + AppendStringSize > MAX_STRING_LENGTH || MultiStringSize > MAX_STRING_LENGTH) { *MultiString = (EFI_STRING) ReallocatePool ( - (VOID *) (*MultiString), MultiStringSize, - MultiStringSize + AppendStringSize + MultiStringSize + AppendStringSize, + (VOID *) (*MultiString) ); + ASSERT (*MultiString != NULL); } - // // Append the incoming string // @@ -541,6 +423,8 @@ AppendToMultiString ( or WIDTH or VALUE. ::= 'OFFSET='&'WIDTH='&'VALUE'= + This is a internal function. + @param StringPtr String in format and points to the first character of . @param Number The output value. Caller takes the responsibility @@ -553,7 +437,6 @@ AppendToMultiString ( successfully. **/ -STATIC EFI_STATUS GetValueOfNumber ( IN EFI_STRING StringPtr, @@ -566,26 +449,30 @@ GetValueOfNumber ( EFI_STRING Str; UINT8 *Buf; EFI_STATUS Status; + UINT8 DigitUint8; + UINTN Index; + CHAR16 TemStr[2]; - ASSERT (StringPtr != NULL && Number != NULL && Len != NULL); - ASSERT (*StringPtr != 0); + if (StringPtr == NULL || *StringPtr == L'\0' || Number == NULL || Len == NULL) { + return EFI_INVALID_PARAMETER; + } Buf = NULL; TmpPtr = StringPtr; - while (*StringPtr != 0 && *StringPtr != L'&') { + while (*StringPtr != L'\0' && *StringPtr != L'&') { StringPtr++; } *Len = StringPtr - TmpPtr; Length = *Len + 1; - Str = (EFI_STRING) AllocateZeroPool (Length * sizeof (EFI_STRING)); + Str = (EFI_STRING) AllocateZeroPool (Length * sizeof (CHAR16)); if (Str == NULL) { Status = EFI_OUT_OF_RESOURCES; goto Exit; } CopyMem (Str, TmpPtr, *Len * sizeof (CHAR16)); - *(Str + *Len) = 0; + *(Str + *Len) = L'\0'; Length = (Length + 1) / 2; Buf = (UINT8 *) AllocateZeroPool (Length); @@ -593,135 +480,3079 @@ GetValueOfNumber ( Status = EFI_OUT_OF_RESOURCES; goto Exit; } - - Status = HexStringToBuf (Buf, &Length, Str, NULL); - if (EFI_ERROR (Status)) { - goto Exit; + + Length = *Len; + ZeroMem (TemStr, sizeof (TemStr)); + for (Index = 0; Index < Length; Index ++) { + TemStr[0] = Str[Length - Index - 1]; + DigitUint8 = (UINT8) StrHexToUint64 (TemStr); + if ((Index & 1) == 0) { + Buf [Index/2] = DigitUint8; + } else { + Buf [Index/2] = (UINT8) ((DigitUint8 << 4) + Buf [Index/2]); + } } *Number = Buf; Status = EFI_SUCCESS; Exit: - SafeFreePool (Str); + if (Str != NULL) { + FreePool (Str); + } + return Status; } - /** - This function allows a caller to extract the current configuration - for one or more named elements from one or more drivers. - - @param This A pointer to the EFI_HII_CONFIG_ROUTING_PROTOCOL - instance. - @param Request A null-terminated Unicode string in - format. - @param Progress 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. - @param Results Null-terminated Unicode string in - format which has all values - filled in for the names in the Request string. - String to be allocated by the called function. - - @retval EFI_SUCCESS The Results string is filled with the values - corresponding to all requested names. - @retval EFI_OUT_OF_RESOURCES Not enough memory to store the parts of the - results that must be stored awaiting possible - future protocols. - @retval EFI_NOT_FOUND Routing data doesn't match any known driver. - Progress set to the "G" in "GUID" of the routing - header that doesn't match. Note: There is no - requirement that all routing data be validated - before any configuration extraction. - @retval EFI_INVALID_PARAMETER For example, passing in a NULL for the Request - parameter would result in this type of error. The - Progress parameter is set to NULL. - @retval EFI_INVALID_PARAMETER Illegal syntax. Progress set to most recent & - before the error or the beginning of the string. - @retval EFI_INVALID_PARAMETER Unknown name. Progress points to the & before the - name in question. - + This function merges DefaultAltCfgResp string into AltCfgResp string for + the missing AltCfgId in AltCfgResq. + + @param AltCfgResp Pointer to a null-terminated Unicode string in + format. The default value string + will be merged into it. + @param DefaultAltCfgResp Pointer to a null-terminated Unicode string in + format. The default value + string may contain more than one ConfigAltResp + string for the different varstore buffer. + + @retval EFI_SUCCESS The merged string returns. + @retval EFI_INVALID_PARAMETER *AltCfgResp is to NULL. **/ EFI_STATUS EFIAPI -HiiConfigRoutingExtractConfig ( - IN CONST EFI_HII_CONFIG_ROUTING_PROTOCOL *This, - IN CONST EFI_STRING Request, - OUT EFI_STRING *Progress, - OUT EFI_STRING *Results +MergeDefaultString ( + IN OUT EFI_STRING *AltCfgResp, + IN EFI_STRING DefaultAltCfgResp ) { -#ifndef DISABLE_UNUSED_HII_PROTOCOLS - - HII_DATABASE_PRIVATE_DATA *Private; - EFI_STRING StringPtr; - EFI_STRING ConfigRequest; - UINTN Length; - EFI_DEVICE_PATH_PROTOCOL *DevicePath; - EFI_STATUS Status; - LIST_ENTRY *Link; - HII_DATABASE_RECORD *Database; - UINT8 *CurrentDevicePath; - EFI_HANDLE DriverHandle; - EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess; - EFI_STRING AccessProgress; - EFI_STRING AccessResults; - UINTN RemainSize; - EFI_STRING TmpPtr; - - if (This == NULL || Progress == NULL || Results == NULL) { - return EFI_INVALID_PARAMETER; - } - - if (Request == NULL) { - *Progress = NULL; + EFI_STRING StringPtrDefault; + EFI_STRING StringPtrEnd; + CHAR16 TempChar; + EFI_STRING StringPtr; + EFI_STRING AltConfigHdr; + UINTN HeaderLength; + UINTN SizeAltCfgResp; + + if (*AltCfgResp == NULL) { return EFI_INVALID_PARAMETER; } - - Private = CONFIG_ROUTING_DATABASE_PRIVATE_DATA_FROM_THIS (This); - StringPtr = Request; - *Progress = StringPtr; - + // - // The first element of should be - // , which is in 'GUID=' syntax. + // Get the requestr ConfigHdr + // + SizeAltCfgResp = 0; + StringPtr = *AltCfgResp; + + // + // Find GUID=...&NAME=...&PATH=... // if (StrnCmp (StringPtr, L"GUID=", StrLen (L"GUID=")) != 0) { return EFI_INVALID_PARAMETER; } + while (*StringPtr != L'\0' && StrnCmp (StringPtr, L"&NAME=", StrLen (L"&NAME=")) != 0) { + StringPtr++; + } + while (*StringPtr != L'\0' && StrnCmp (StringPtr, L"&PATH=", StrLen (L"&PATH=")) != 0) { + StringPtr++; + } + if (*StringPtr == L'\0') { + return EFI_INVALID_PARAMETER; + } + StringPtr += StrLen (L"&PATH="); + while (*StringPtr != L'\0' && *StringPtr != L'&') { + StringPtr ++; + } + HeaderLength = StringPtr - *AltCfgResp; // - // Allocate a fix length of memory to store Results. Reallocate memory for - // Results if this fix length is insufficient. + // Construct AltConfigHdr string "&&ALTCFG=XXXX\0" + // |1| StrLen (ConfigHdr) | 8 | 4 | 1 | // - *Results = (EFI_STRING) AllocateZeroPool (MAX_STRING_LENGTH); - if (*Results == NULL) { + AltConfigHdr = AllocateZeroPool ((1 + HeaderLength + 8 + 4 + 1) * sizeof (CHAR16)); + if (AltConfigHdr == NULL) { return EFI_OUT_OF_RESOURCES; } - - while (*StringPtr != 0 && StrnCmp (StringPtr, L"GUID=", StrLen (L"GUID=")) == 0) { - // - // If parsing error, set Progress to the beginning of the - // or most recent & before the error. + StrCpy (AltConfigHdr, L"&"); + StrnCat (AltConfigHdr, *AltCfgResp, HeaderLength); + StrCat (AltConfigHdr, L"&ALTCFG="); + HeaderLength = StrLen (AltConfigHdr); + + StringPtrDefault = StrStr (DefaultAltCfgResp, AltConfigHdr); + while (StringPtrDefault != NULL) { // - if (StringPtr == Request) { - *Progress = StringPtr; - } else { - *Progress = StringPtr - 1; - } - + // Get AltCfg Name // - // Process each of + StrnCat (AltConfigHdr, StringPtrDefault + HeaderLength, 4); + StringPtr = StrStr (*AltCfgResp, AltConfigHdr); + // - Length = CalculateConfigStringLen (StringPtr); - ConfigRequest = AllocateCopyPool ((Length + 1) * sizeof (CHAR16), StringPtr); - if (ConfigRequest == NULL) { - return EFI_OUT_OF_RESOURCES; + // Append the found default value string to the input AltCfgResp + // + if (StringPtr == NULL) { + StringPtrEnd = StrStr (StringPtrDefault + 1, L"&GUID"); + SizeAltCfgResp = StrSize (*AltCfgResp); + if (StringPtrEnd == NULL) { + // + // No more default string is found. + // + *AltCfgResp = (EFI_STRING) ReallocatePool ( + SizeAltCfgResp, + SizeAltCfgResp + StrSize (StringPtrDefault), + (VOID *) (*AltCfgResp) + ); + if (*AltCfgResp == NULL) { + FreePool (AltConfigHdr); + return EFI_OUT_OF_RESOURCES; + } + StrCat (*AltCfgResp, StringPtrDefault); + break; + } else { + TempChar = *StringPtrEnd; + *StringPtrEnd = L'\0'; + *AltCfgResp = (EFI_STRING) ReallocatePool ( + SizeAltCfgResp, + SizeAltCfgResp + StrSize (StringPtrDefault), + (VOID *) (*AltCfgResp) + ); + if (*AltCfgResp == NULL) { + FreePool (AltConfigHdr); + return EFI_OUT_OF_RESOURCES; + } + StrCat (*AltCfgResp, StringPtrDefault); + *StringPtrEnd = TempChar; + } + } + + // + // Find next AltCfg String + // + *(AltConfigHdr + HeaderLength) = L'\0'; + StringPtrDefault = StrStr (StringPtrDefault + 1, AltConfigHdr); + } + + FreePool (AltConfigHdr); + return EFI_SUCCESS; +} + +/** + This function inserts new DefaultValueData into the BlockData DefaultValue array. + + @param BlockData The BlockData is updated to add new default value. + @param DefaultValueData The DefaultValue is added. + +**/ +VOID +InsertDefaultValue ( + IN IFR_BLOCK_DATA *BlockData, + IN IFR_DEFAULT_DATA *DefaultValueData + ) +{ + LIST_ENTRY *Link; + IFR_DEFAULT_DATA *DefaultValueArray; + LIST_ENTRY *DefaultLink; + + DefaultLink = &BlockData->DefaultValueEntry; + + for (Link = DefaultLink->ForwardLink; Link != DefaultLink; Link = Link->ForwardLink) { + DefaultValueArray = BASE_CR (Link, IFR_DEFAULT_DATA, Entry); + if (DefaultValueArray->DefaultId == DefaultValueData->DefaultId) { + // + // DEFAULT_VALUE_FROM_OPCODE has high priority, DEFAULT_VALUE_FROM_DEFAULT has low priority. + // + if (DefaultValueData->Type > DefaultValueArray->Type) { + // + // Update the default value array in BlockData. + // + CopyMem (&DefaultValueArray->Value, &DefaultValueData->Value, sizeof (EFI_IFR_TYPE_VALUE)); + DefaultValueArray->Type = DefaultValueData->Type; + DefaultValueArray->Cleaned = DefaultValueData->Cleaned; + } + return; + } + } + + // + // Insert new default value data in tail. + // + DefaultValueArray = AllocateZeroPool (sizeof (IFR_DEFAULT_DATA)); + ASSERT (DefaultValueArray != NULL); + CopyMem (DefaultValueArray, DefaultValueData, sizeof (IFR_DEFAULT_DATA)); + InsertTailList (Link, &DefaultValueArray->Entry); +} + +/** + This function inserts new BlockData into the block link + + @param BlockLink The list entry points to block array. + @param BlockData The point to BlockData is added. + +**/ +VOID +InsertBlockData ( + IN LIST_ENTRY *BlockLink, + IN IFR_BLOCK_DATA **BlockData + ) +{ + LIST_ENTRY *Link; + IFR_BLOCK_DATA *BlockArray; + IFR_BLOCK_DATA *BlockSingleData; + + BlockSingleData = *BlockData; + + if (BlockSingleData->Name != NULL) { + InsertTailList (BlockLink, &BlockSingleData->Entry); + return; + } + + // + // Insert block data in its Offset and Width order. + // + for (Link = BlockLink->ForwardLink; Link != BlockLink; Link = Link->ForwardLink) { + BlockArray = BASE_CR (Link, IFR_BLOCK_DATA, Entry); + if (BlockArray->Offset == BlockSingleData->Offset) { + if (BlockArray->Width > BlockSingleData->Width) { + // + // Insert this block data in the front of block array + // + InsertTailList (Link, &BlockSingleData->Entry); + return; + } + + if (BlockArray->Width == BlockSingleData->Width) { + // + // The same block array has been added. + // + if (BlockSingleData != BlockArray) { + FreePool (BlockSingleData); + *BlockData = BlockArray; + } + return; + } + } else if (BlockArray->Offset > BlockSingleData->Offset) { + // + // Insert new block data in the front of block array + // + InsertTailList (Link, &BlockSingleData->Entry); + return; + } + } + + // + // Add new block data into the tail. + // + InsertTailList (Link, &BlockSingleData->Entry); +} + +/** + Retrieves a pointer to the a Null-terminated ASCII string containing the list + of languages that an HII handle in the HII Database supports. The returned + string is allocated using AllocatePool(). The caller is responsible for freeing + the returned string using FreePool(). The format of the returned string follows + the language format assumed the HII Database. + + If HiiHandle is NULL, then ASSERT(). + + @param[in] HiiHandle A handle that was previously registered in the HII Database. + + @retval NULL HiiHandle is not registered in the HII database + @retval NULL There are not enough resources available to retrieve the suported + languages. + @retval NULL The list of suported languages could not be retrieved. + @retval Other A pointer to the Null-terminated ASCII string of supported languages. + +**/ +CHAR8 * +GetSupportedLanguages ( + IN EFI_HII_HANDLE HiiHandle + ) +{ + EFI_STATUS Status; + UINTN LanguageSize; + CHAR8 TempSupportedLanguages; + CHAR8 *SupportedLanguages; + + ASSERT (HiiHandle != NULL); + + // + // Retrieve the size required for the supported languages buffer. + // + LanguageSize = 0; + Status = mPrivate.HiiString.GetLanguages (&mPrivate.HiiString, HiiHandle, &TempSupportedLanguages, &LanguageSize); + + // + // If GetLanguages() returns EFI_SUCCESS for a zero size, + // then there are no supported languages registered for HiiHandle. If GetLanguages() + // returns an error other than EFI_BUFFER_TOO_SMALL, then HiiHandle is not present + // in the HII Database + // + if (Status != EFI_BUFFER_TOO_SMALL) { + // + // Return NULL if the size can not be retrieved, or if HiiHandle is not in the HII Database + // + return NULL; + } + + // + // Allocate the supported languages buffer. + // + SupportedLanguages = AllocateZeroPool (LanguageSize); + if (SupportedLanguages == NULL) { + // + // Return NULL if allocation fails. + // + return NULL; + } + + // + // Retrieve the supported languages string + // + Status = mPrivate.HiiString.GetLanguages (&mPrivate.HiiString, HiiHandle, SupportedLanguages, &LanguageSize); + if (EFI_ERROR (Status)) { + // + // Free the buffer and return NULL if the supported languages can not be retrieved. + // + FreePool (SupportedLanguages); + return NULL; + } + + // + // Return the Null-terminated ASCII string of supported languages + // + return SupportedLanguages; +} + +/** + Retrieves a string from a string package. + + If HiiHandle is NULL, then ASSERT(). + If StringId is 0, then ASSET. + + @param[in] HiiHandle A handle that was previously registered in the HII Database. + @param[in] StringId The identifier of the string to retrieved from the string + package associated with HiiHandle. + + @retval NULL The string specified by StringId is not present in the string package. + @retval Other The string was returned. + +**/ +EFI_STRING +InternalGetString ( + IN EFI_HII_HANDLE HiiHandle, + IN EFI_STRING_ID StringId + ) +{ + EFI_STATUS Status; + UINTN StringSize; + CHAR16 TempString; + EFI_STRING String; + CHAR8 *SupportedLanguages; + CHAR8 *PlatformLanguage; + CHAR8 *BestLanguage; + CHAR8 *Language; + + ASSERT (HiiHandle != NULL); + ASSERT (StringId != 0); + + // + // Initialize all allocated buffers to NULL + // + SupportedLanguages = NULL; + PlatformLanguage = NULL; + BestLanguage = NULL; + String = NULL; + Language = ""; + + // + // Get the languages that the package specified by HiiHandle supports + // + SupportedLanguages = GetSupportedLanguages (HiiHandle); + if (SupportedLanguages == NULL) { + goto Error; + } + + // + // Get the current platform language setting + // + GetEfiGlobalVariable2 (L"PlatformLang", (VOID**)&PlatformLanguage, NULL); + + // + // Get the best matching language from SupportedLanguages + // + BestLanguage = GetBestLanguage ( + SupportedLanguages, + FALSE, // RFC 4646 mode + Language, // Highest priority + PlatformLanguage != NULL ? PlatformLanguage : "", // Next highest priority + SupportedLanguages, // Lowest priority + NULL + ); + if (BestLanguage == NULL) { + goto Error; + } + + // + // Retrieve the size of the string in the string package for the BestLanguage + // + StringSize = 0; + Status = mPrivate.HiiString.GetString ( + &mPrivate.HiiString, + BestLanguage, + HiiHandle, + StringId, + &TempString, + &StringSize, + NULL + ); + // + // If GetString() returns EFI_SUCCESS for a zero size, + // then there are no supported languages registered for HiiHandle. If GetString() + // returns an error other than EFI_BUFFER_TOO_SMALL, then HiiHandle is not present + // in the HII Database + // + if (Status != EFI_BUFFER_TOO_SMALL) { + goto Error; + } + + // + // Allocate a buffer for the return string + // + String = AllocateZeroPool (StringSize); + if (String == NULL) { + goto Error; + } + + // + // Retrieve the string from the string package + // + Status = mPrivate.HiiString.GetString ( + &mPrivate.HiiString, + BestLanguage, + HiiHandle, + StringId, + String, + &StringSize, + NULL + ); + if (EFI_ERROR (Status)) { + // + // Free the buffer and return NULL if the supported languages can not be retrieved. + // + FreePool (String); + String = NULL; + } + +Error: + // + // Free allocated buffers + // + if (SupportedLanguages != NULL) { + FreePool (SupportedLanguages); + } + if (PlatformLanguage != NULL) { + FreePool (PlatformLanguage); + } + if (BestLanguage != NULL) { + FreePool (BestLanguage); + } + + // + // Return the Null-terminated Unicode string + // + return String; +} + +/** + This function checks VarOffset and VarWidth is in the block range. + + @param RequestBlockArray The block array is to be checked. + @param VarOffset Offset of var to the structure + @param VarWidth Width of var. + @param IsNameValueType Whether this varstore is name/value varstore or not. + @param HiiHandle Hii handle for this hii package. + + @retval TRUE This Var is in the block range. + @retval FALSE This Var is not in the block range. +**/ +BOOLEAN +BlockArrayCheck ( + IN IFR_BLOCK_DATA *RequestBlockArray, + IN UINT16 VarOffset, + IN UINT16 VarWidth, + IN BOOLEAN IsNameValueType, + IN EFI_HII_HANDLE HiiHandle + ) +{ + LIST_ENTRY *Link; + IFR_BLOCK_DATA *BlockData; + EFI_STRING Name; + + // + // No Request Block array, all vars are got. + // + if (RequestBlockArray == NULL) { + return TRUE; + } + + // + // Check the input var is in the request block range. + // + for (Link = RequestBlockArray->Entry.ForwardLink; Link != &RequestBlockArray->Entry; Link = Link->ForwardLink) { + BlockData = BASE_CR (Link, IFR_BLOCK_DATA, Entry); + + if (IsNameValueType) { + Name = InternalGetString (HiiHandle, VarOffset); + ASSERT (Name != NULL); + + if (StrnCmp (BlockData->Name, Name, StrLen (Name)) == 0) { + FreePool (Name); + return TRUE; + } + FreePool (Name); + } else { + if ((VarOffset >= BlockData->Offset) && ((VarOffset + VarWidth) <= (BlockData->Offset + BlockData->Width))) { + return TRUE; + } + } + } + + return FALSE; +} + +/** + Get form package data from data base. + + @param DataBaseRecord The DataBaseRecord instance contains the found Hii handle and package. + @param HiiFormPackage The buffer saves the package data. + @param PackageSize The buffer size of the package data. + +**/ +EFI_STATUS +GetFormPackageData ( + IN HII_DATABASE_RECORD *DataBaseRecord, + IN OUT UINT8 **HiiFormPackage, + OUT UINTN *PackageSize + ) +{ + EFI_STATUS Status; + UINTN Size; + UINTN ResultSize; + + if (DataBaseRecord == NULL || HiiFormPackage == NULL || PackageSize == NULL) { + return EFI_INVALID_PARAMETER; + } + + Size = 0; + ResultSize = 0; + // + // 0. Get Hii Form Package by HiiHandle + // + Status = ExportFormPackages ( + &mPrivate, + DataBaseRecord->Handle, + DataBaseRecord->PackageList, + 0, + Size, + HiiFormPackage, + &ResultSize + ); + if (EFI_ERROR (Status)) { + return Status; + } + + (*HiiFormPackage) = AllocatePool (ResultSize); + if (*HiiFormPackage == NULL) { + Status = EFI_OUT_OF_RESOURCES; + return Status; + } + + // + // Get HiiFormPackage by HiiHandle + // + Size = ResultSize; + ResultSize = 0; + Status = ExportFormPackages ( + &mPrivate, + DataBaseRecord->Handle, + DataBaseRecord->PackageList, + 0, + Size, + *HiiFormPackage, + &ResultSize + ); + if (EFI_ERROR (Status)) { + FreePool (*HiiFormPackage); + } + + *PackageSize = Size; + + return Status; +} + + +/** + This function parses Form Package to get the efi varstore info according to the request ConfigHdr. + + @param DataBaseRecord The DataBaseRecord instance contains the found Hii handle and package. + @param ConfigHdr Request string ConfigHdr. If it is NULL, + the first found varstore will be as ConfigHdr. + @param IsEfiVarstore Whether the request storage type is efi varstore type. + @param EfiVarStore The efi varstore info which will return. +**/ +EFI_STATUS +GetVarStoreType ( + IN HII_DATABASE_RECORD *DataBaseRecord, + IN EFI_STRING ConfigHdr, + OUT BOOLEAN *IsEfiVarstore, + OUT EFI_IFR_VARSTORE_EFI **EfiVarStore + ) +{ + EFI_STATUS Status; + UINTN IfrOffset; + EFI_IFR_OP_HEADER *IfrOpHdr; + CHAR16 *VarStoreName; + EFI_STRING GuidStr; + EFI_STRING NameStr; + EFI_STRING TempStr; + UINTN LengthString; + UINT8 *HiiFormPackage; + UINTN PackageSize; + EFI_IFR_VARSTORE_EFI *IfrEfiVarStore; + + HiiFormPackage = NULL; + LengthString = 0; + Status = EFI_SUCCESS; + GuidStr = NULL; + NameStr = NULL; + TempStr = NULL; + + Status = GetFormPackageData(DataBaseRecord, &HiiFormPackage, &PackageSize); + if (EFI_ERROR (Status)) { + return Status; + } + + IfrOffset = sizeof (EFI_HII_PACKAGE_HEADER); + while (IfrOffset < PackageSize) { + IfrOpHdr = (EFI_IFR_OP_HEADER *) (HiiFormPackage + IfrOffset); + IfrOffset += IfrOpHdr->Length; + + if (IfrOpHdr->OpCode == EFI_IFR_VARSTORE_EFI_OP ) { + IfrEfiVarStore = (EFI_IFR_VARSTORE_EFI *) IfrOpHdr; + // + // If the length is small than the structure, this is from old efi + // varstore definition. Old efi varstore get config directly from + // GetVariable function. + // + if (IfrOpHdr->Length < sizeof (EFI_IFR_VARSTORE_EFI)) { + continue; + } + + VarStoreName = AllocateZeroPool (AsciiStrSize ((CHAR8 *)IfrEfiVarStore->Name) * sizeof (CHAR16)); + if (VarStoreName == NULL) { + Status = EFI_OUT_OF_RESOURCES; + goto Done; + } + AsciiStrToUnicodeStr ((CHAR8 *) IfrEfiVarStore->Name, VarStoreName); + + GenerateSubStr (L"GUID=", sizeof (EFI_GUID), (VOID *) &IfrEfiVarStore->Guid, 1, &GuidStr); + GenerateSubStr (L"NAME=", StrLen (VarStoreName) * sizeof (CHAR16), (VOID *) VarStoreName, 2, &NameStr); + LengthString = StrLen (GuidStr); + LengthString = LengthString + StrLen (NameStr) + 1; + TempStr = AllocateZeroPool (LengthString * sizeof (CHAR16)); + if (TempStr == NULL) { + FreePool (GuidStr); + FreePool (NameStr); + FreePool (VarStoreName); + Status = EFI_OUT_OF_RESOURCES; + goto Done; + } + StrCpy (TempStr, GuidStr); + StrCat (TempStr, NameStr); + if (ConfigHdr == NULL || StrnCmp (ConfigHdr, TempStr, StrLen (TempStr)) == 0) { + *EfiVarStore = (EFI_IFR_VARSTORE_EFI *) AllocateZeroPool (IfrOpHdr->Length); + if (*EfiVarStore == NULL) { + FreePool (VarStoreName); + FreePool (GuidStr); + FreePool (NameStr); + FreePool (TempStr); + Status = EFI_OUT_OF_RESOURCES; + goto Done; + } + *IsEfiVarstore = TRUE; + CopyMem (*EfiVarStore, IfrEfiVarStore, IfrOpHdr->Length); + } + + // + // Free alllocated temp string. + // + FreePool (VarStoreName); + FreePool (GuidStr); + FreePool (NameStr); + FreePool (TempStr); + } + } +Done: + if (HiiFormPackage != NULL) { + FreePool (HiiFormPackage); + } + + return Status; +} + +/** + Check whether the ConfigRequest string has the request elements. + For EFI_HII_VARSTORE_BUFFER type, the request has "&OFFSET=****&WIDTH=****..." format. + For EFI_HII_VARSTORE_NAME_VALUE type, the request has "&NAME1**&NAME2..." format. + + @param ConfigRequest The input config request string. + + @retval TRUE The input include config request elements. + @retval FALSE The input string not includes. + +**/ +BOOLEAN +GetElementsFromRequest ( + IN EFI_STRING ConfigRequest + ) +{ + EFI_STRING TmpRequest; + + TmpRequest = StrStr (ConfigRequest, L"PATH="); + ASSERT (TmpRequest != NULL); + + if ((StrStr (TmpRequest, L"&OFFSET=") != NULL) || (StrStr (TmpRequest, L"&") != NULL)) { + return TRUE; + } + + return FALSE; +} + +/** + Check whether the this varstore is the request varstore. + + @param VarstoreGuid Varstore guid. + @param Name Varstore name. + @param ConfigHdr Current configRequest info. + + @retval TRUE This varstore is the requst one. + @retval FALSE This varstore is not the requst one. + +**/ +BOOLEAN +IsThisVarstore ( + IN EFI_GUID *VarstoreGuid, + IN CHAR16 *Name, + IN CHAR16 *ConfigHdr + ) +{ + EFI_STRING GuidStr; + EFI_STRING NameStr; + EFI_STRING TempStr; + UINTN LengthString; + BOOLEAN RetVal; + + RetVal = FALSE; + GuidStr = NULL; + TempStr = NULL; + + GenerateSubStr (L"GUID=", sizeof (EFI_GUID), (VOID *)VarstoreGuid, 1, &GuidStr); + if (Name != NULL) { + GenerateSubStr (L"NAME=", StrLen (Name) * sizeof (CHAR16), (VOID *) Name, 2, &NameStr); + } else { + GenerateSubStr (L"NAME=", 0, NULL, 2, &NameStr); + } + LengthString = StrLen (GuidStr); + LengthString = LengthString + StrLen (NameStr) + 1; + TempStr = AllocateZeroPool (LengthString * sizeof (CHAR16)); + if (TempStr == NULL) { + goto Done; + } + + StrCpy (TempStr, GuidStr); + StrCat (TempStr, NameStr); + + if (ConfigHdr == NULL || StrnCmp (ConfigHdr, TempStr, StrLen (TempStr)) == 0) { + RetVal = TRUE; + } + +Done: + if (GuidStr != NULL) { + FreePool (GuidStr); + } + + if (NameStr != NULL) { + FreePool (NameStr); + } + + if (TempStr != NULL) { + FreePool (TempStr); + } + + return RetVal; +} + +/** + Check whether the this op code is required. + + @param RequestBlockArray The array includes all the request info or NULL. + @param HiiHandle The hii handle for this form package. + @param VarStorageData The varstore data strucure. + @param IfrOpHdr Ifr opcode header for this opcode. + @param VarWidth The buffer width for this opcode. + @param ReturnData The data block added for this opcode. + + @retval EFI_SUCCESS This opcode is required. + @retval Others This opcode is not required or error occur. + +**/ +EFI_STATUS +IsThisOpcodeRequired ( + IN IFR_BLOCK_DATA *RequestBlockArray, + IN EFI_HII_HANDLE HiiHandle, + IN OUT IFR_VARSTORAGE_DATA *VarStorageData, + IN EFI_IFR_OP_HEADER *IfrOpHdr, + IN UINT16 VarWidth, + OUT IFR_BLOCK_DATA **ReturnData + ) +{ + IFR_BLOCK_DATA *BlockData; + UINT16 VarOffset; + EFI_STRING_ID NameId; + EFI_IFR_QUESTION_HEADER *IfrQuestionHdr; + + NameId = 0; + VarOffset = 0; + IfrQuestionHdr = (EFI_IFR_QUESTION_HEADER *)((CHAR8 *) IfrOpHdr + sizeof (EFI_IFR_OP_HEADER)); + + if (VarStorageData->Type == EFI_HII_VARSTORE_NAME_VALUE) { + NameId = IfrQuestionHdr->VarStoreInfo.VarName; + + // + // Check whether this question is in requested block array. + // + if (!BlockArrayCheck (RequestBlockArray, NameId, 0, TRUE, HiiHandle)) { + // + // This question is not in the requested string. Skip it. + // + return EFI_SUCCESS; + } + } else { + VarOffset = IfrQuestionHdr->VarStoreInfo.VarOffset; + + // + // Check whether this question is in requested block array. + // + if (!BlockArrayCheck (RequestBlockArray, VarOffset, VarWidth, FALSE, HiiHandle)) { + // + // This question is not in the requested string. Skip it. + // + return EFI_SUCCESS; + } + + // + // Check this var question is in the var storage + // + if (((VarOffset + VarWidth) > VarStorageData->Size)) { + return EFI_INVALID_PARAMETER; + } + } + + BlockData = (IFR_BLOCK_DATA *) AllocateZeroPool (sizeof (IFR_BLOCK_DATA)); + if (BlockData == NULL) { + return EFI_OUT_OF_RESOURCES; + } + + if (VarStorageData->Type == EFI_HII_VARSTORE_NAME_VALUE) { + BlockData->Name = InternalGetString(HiiHandle, NameId); + } else { + BlockData->Offset = VarOffset; + } + + BlockData->Width = VarWidth; + BlockData->QuestionId = IfrQuestionHdr->QuestionId; + BlockData->OpCode = IfrOpHdr->OpCode; + BlockData->Scope = IfrOpHdr->Scope; + InitializeListHead (&BlockData->DefaultValueEntry); + // + // Add Block Data into VarStorageData BlockEntry + // + InsertBlockData (&VarStorageData->BlockEntry, &BlockData); + *ReturnData = BlockData; + + return EFI_SUCCESS; +} + +/** + This function parses Form Package to get the block array and the default + value array according to the request ConfigHdr. + + @param HiiHandle Hii Handle for this hii package. + @param Package Pointer to the form package data. + @param PackageLength Length of the pacakge. + @param ConfigHdr Request string ConfigHdr. If it is NULL, + the first found varstore will be as ConfigHdr. + @param RequestBlockArray The block array is retrieved from the request string. + @param VarStorageData VarStorage structure contains the got block and default value. + @param DefaultIdArray Point to the got default id and default name array. + + @retval EFI_SUCCESS The block array and the default value array are got. + @retval EFI_INVALID_PARAMETER The varstore defintion in the differnt form pacakges + are conflicted. + @retval EFI_OUT_OF_RESOURCES No enough memory. +**/ +EFI_STATUS +EFIAPI +ParseIfrData ( + IN EFI_HII_HANDLE HiiHandle, + IN UINT8 *Package, + IN UINT32 PackageLength, + IN EFI_STRING ConfigHdr, + IN IFR_BLOCK_DATA *RequestBlockArray, + IN OUT IFR_VARSTORAGE_DATA *VarStorageData, + OUT IFR_DEFAULT_DATA *DefaultIdArray + ) +{ + EFI_STATUS Status; + UINTN IfrOffset; + EFI_IFR_VARSTORE *IfrVarStore; + EFI_IFR_VARSTORE_EFI *IfrEfiVarStore; + EFI_IFR_OP_HEADER *IfrOpHdr; + EFI_IFR_ONE_OF *IfrOneOf; + EFI_IFR_REF4 *IfrRef; + EFI_IFR_ONE_OF_OPTION *IfrOneOfOption; + EFI_IFR_DEFAULT *IfrDefault; + EFI_IFR_ORDERED_LIST *IfrOrderedList; + EFI_IFR_CHECKBOX *IfrCheckBox; + EFI_IFR_PASSWORD *IfrPassword; + EFI_IFR_STRING *IfrString; + EFI_IFR_DATE *IfrDate; + EFI_IFR_TIME *IfrTime; + IFR_DEFAULT_DATA DefaultData; + IFR_DEFAULT_DATA *DefaultDataPtr; + IFR_BLOCK_DATA *BlockData; + CHAR16 *VarStoreName; + UINT16 VarWidth; + UINT16 VarDefaultId; + EFI_STRING GuidStr; + EFI_STRING NameStr; + EFI_STRING TempStr; + UINTN LengthString; + BOOLEAN FirstOneOfOption; + LIST_ENTRY *LinkData; + LIST_ENTRY *LinkDefault; + EFI_IFR_VARSTORE_NAME_VALUE *IfrNameValueVarStore; + + LengthString = 0; + Status = EFI_SUCCESS; + GuidStr = NULL; + NameStr = NULL; + TempStr = NULL; + BlockData = NULL; + DefaultDataPtr = NULL; + FirstOneOfOption = FALSE; + ZeroMem (&DefaultData, sizeof (IFR_DEFAULT_DATA)); + + // + // Go through the form package to parse OpCode one by one. + // + IfrOffset = sizeof (EFI_HII_PACKAGE_HEADER); + while (IfrOffset < PackageLength) { + IfrOpHdr = (EFI_IFR_OP_HEADER *) (Package + IfrOffset); + switch (IfrOpHdr->OpCode) { + case EFI_IFR_VARSTORE_OP: + // + // VarStore is found. Don't need to search any more. + // + if (VarStorageData->VarStoreId != 0) { + break; + } + + IfrVarStore = (EFI_IFR_VARSTORE *) IfrOpHdr; + + VarStoreName = AllocateZeroPool (AsciiStrSize ((CHAR8 *)IfrVarStore->Name) * sizeof (CHAR16)); + if (VarStoreName == NULL) { + Status = EFI_OUT_OF_RESOURCES; + goto Done; + } + AsciiStrToUnicodeStr ((CHAR8 *)IfrVarStore->Name, VarStoreName); + + if (IsThisVarstore((VOID *)&IfrVarStore->Guid, VarStoreName, ConfigHdr)) { + // + // Find the matched VarStore + // + CopyGuid (&VarStorageData->Guid, (EFI_GUID *) (VOID *) &IfrVarStore->Guid); + VarStorageData->VarStoreId = IfrVarStore->VarStoreId; + VarStorageData->Size = IfrVarStore->Size; + VarStorageData->Name = VarStoreName; + VarStorageData->Type = EFI_HII_VARSTORE_BUFFER; + } + break; + + case EFI_IFR_VARSTORE_EFI_OP: + // + // VarStore is found. Don't need to search any more. + // + if (VarStorageData->VarStoreId != 0) { + break; + } + + IfrEfiVarStore = (EFI_IFR_VARSTORE_EFI *) IfrOpHdr; + + // + // If the length is small than the structure, this is from old efi + // varstore definition. Old efi varstore get config directly from + // GetVariable function. + // + if (IfrOpHdr->Length < sizeof (EFI_IFR_VARSTORE_EFI)) { + break; + } + + VarStoreName = AllocateZeroPool (AsciiStrSize ((CHAR8 *)IfrEfiVarStore->Name) * sizeof (CHAR16)); + if (VarStoreName == NULL) { + Status = EFI_OUT_OF_RESOURCES; + goto Done; + } + AsciiStrToUnicodeStr ((CHAR8 *)IfrEfiVarStore->Name, VarStoreName); + + if (IsThisVarstore (&IfrEfiVarStore->Guid, VarStoreName, ConfigHdr)) { + // + // Find the matched VarStore + // + CopyGuid (&VarStorageData->Guid, (EFI_GUID *) (VOID *) &IfrEfiVarStore->Guid); + VarStorageData->VarStoreId = IfrEfiVarStore->VarStoreId; + VarStorageData->Size = IfrEfiVarStore->Size; + VarStorageData->Name = VarStoreName; + VarStorageData->Type = EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER; + } + break; + + case EFI_IFR_VARSTORE_NAME_VALUE_OP: + // + // VarStore is found. Don't need to search any more. + // + if (VarStorageData->VarStoreId != 0) { + break; + } + + IfrNameValueVarStore = (EFI_IFR_VARSTORE_NAME_VALUE *) IfrOpHdr; + + if (IsThisVarstore (&IfrNameValueVarStore->Guid, NULL, ConfigHdr)) { + // + // Find the matched VarStore + // + CopyGuid (&VarStorageData->Guid, (EFI_GUID *) (VOID *) &IfrNameValueVarStore->Guid); + VarStorageData->VarStoreId = IfrNameValueVarStore->VarStoreId; + VarStorageData->Type = EFI_HII_VARSTORE_NAME_VALUE; + } + break; + + case EFI_IFR_DEFAULTSTORE_OP: + // + // Add new the map between default id and default name. + // + DefaultDataPtr = (IFR_DEFAULT_DATA *) AllocateZeroPool (sizeof (IFR_DEFAULT_DATA)); + if (DefaultDataPtr == NULL) { + Status = EFI_OUT_OF_RESOURCES; + goto Done; + } + DefaultDataPtr->DefaultId = ((EFI_IFR_DEFAULTSTORE *) IfrOpHdr)->DefaultId; + InsertTailList (&DefaultIdArray->Entry, &DefaultDataPtr->Entry); + DefaultDataPtr = NULL; + break; + + case EFI_IFR_FORM_OP: + case EFI_IFR_FORM_MAP_OP: + // + // No matched varstore is found and directly return. + // + if (VarStorageData->VarStoreId == 0) { + Status = EFI_SUCCESS; + goto Done; + } + break; + + case EFI_IFR_REF_OP: + // + // Ref question is not in IFR Form. This IFR form is not valid. + // + if (VarStorageData->VarStoreId == 0) { + Status = EFI_INVALID_PARAMETER; + goto Done; + } + // + // Check whether this question is for the requested varstore. + // + IfrRef = (EFI_IFR_REF4 *) IfrOpHdr; + if (IfrRef->Question.VarStoreId != VarStorageData->VarStoreId) { + break; + } + VarWidth = (UINT16) (sizeof (EFI_HII_REF)); + + Status = IsThisOpcodeRequired(RequestBlockArray, HiiHandle, VarStorageData, IfrOpHdr, VarWidth, &BlockData); + if (EFI_ERROR (Status)) { + goto Done; + } + break; + + case EFI_IFR_ONE_OF_OP: + case EFI_IFR_NUMERIC_OP: + // + // Numeric and OneOf has the same opcode structure. + // + + // + // Numeric and OneOf question is not in IFR Form. This IFR form is not valid. + // + if (VarStorageData->VarStoreId == 0) { + Status = EFI_INVALID_PARAMETER; + goto Done; + } + // + // Check whether this question is for the requested varstore. + // + IfrOneOf = (EFI_IFR_ONE_OF *) IfrOpHdr; + if (IfrOneOf->Question.VarStoreId != VarStorageData->VarStoreId) { + break; + } + VarWidth = (UINT16) (1 << (IfrOneOf->Flags & EFI_IFR_NUMERIC_SIZE)); + + Status = IsThisOpcodeRequired(RequestBlockArray, HiiHandle, VarStorageData, IfrOpHdr, VarWidth, &BlockData); + if (EFI_ERROR (Status)) { + goto Done; + } + + if (BlockData == NULL) { + // + // BlockData == NULL means this opcode is not in the requst array. + // + break; + } + + if (IfrOpHdr->OpCode == EFI_IFR_ONE_OF_OP) { + // + // Set this flag to TRUE for the first oneof option. + // + FirstOneOfOption = TRUE; + } else if (IfrOpHdr->OpCode == EFI_IFR_NUMERIC_OP) { + // + // Numeric minimum value will be used as default value when no default is specified. + // + DefaultData.Type = DefaultValueFromDefault; + switch (IfrOneOf->Flags & EFI_IFR_NUMERIC_SIZE) { + case EFI_IFR_NUMERIC_SIZE_1: + DefaultData.Value.u8 = IfrOneOf->data.u8.MinValue; + break; + + case EFI_IFR_NUMERIC_SIZE_2: + CopyMem (&DefaultData.Value.u16, &IfrOneOf->data.u16.MinValue, sizeof (UINT16)); + break; + + case EFI_IFR_NUMERIC_SIZE_4: + CopyMem (&DefaultData.Value.u32, &IfrOneOf->data.u32.MinValue, sizeof (UINT32)); + break; + + case EFI_IFR_NUMERIC_SIZE_8: + CopyMem (&DefaultData.Value.u64, &IfrOneOf->data.u64.MinValue, sizeof (UINT64)); + break; + + default: + Status = EFI_INVALID_PARAMETER; + goto Done; + } + // + // Set default value base on the DefaultId list get from IFR data. + // + for (LinkData = DefaultIdArray->Entry.ForwardLink; LinkData != &DefaultIdArray->Entry; LinkData = LinkData->ForwardLink) { + DefaultDataPtr = BASE_CR (LinkData, IFR_DEFAULT_DATA, Entry); + DefaultData.DefaultId = DefaultDataPtr->DefaultId; + InsertDefaultValue (BlockData, &DefaultData); + } + } + break; + + case EFI_IFR_ORDERED_LIST_OP: + // + // offset by question header + // width by EFI_IFR_ORDERED_LIST MaxContainers * OneofOption Type + // no default value and default id, how to define its default value? + // + + // + // OrderedList question is not in IFR Form. This IFR form is not valid. + // + if (VarStorageData->VarStoreId == 0) { + Status = EFI_INVALID_PARAMETER; + goto Done; + } + // + // Check whether this question is for the requested varstore. + // + IfrOrderedList = (EFI_IFR_ORDERED_LIST *) IfrOpHdr; + if (IfrOrderedList->Question.VarStoreId != VarStorageData->VarStoreId) { + BlockData = NULL; + break; + } + VarWidth = IfrOrderedList->MaxContainers; + Status = IsThisOpcodeRequired(RequestBlockArray, HiiHandle, VarStorageData, IfrOpHdr, VarWidth, &BlockData); + if (EFI_ERROR (Status)) { + goto Done; + } + break; + + case EFI_IFR_CHECKBOX_OP: + // + // EFI_IFR_DEFAULT_OP + // offset by question header + // width is 1 sizeof (BOOLEAN) + // default id by CheckBox Flags if CheckBox flags (Default or Mau) is set, the default value is 1 to be set. + // value by DefaultOption + // default id by DeaultOption DefaultId can override CheckBox Flags and Default value. + // + + // + // CheckBox question is not in IFR Form. This IFR form is not valid. + // + if (VarStorageData->VarStoreId == 0) { + Status = EFI_INVALID_PARAMETER; + goto Done; + } + // + // Check whether this question is for the requested varstore. + // + IfrCheckBox = (EFI_IFR_CHECKBOX *) IfrOpHdr; + if (IfrCheckBox->Question.VarStoreId != VarStorageData->VarStoreId) { + break; + } + VarWidth = (UINT16) sizeof (BOOLEAN); + Status = IsThisOpcodeRequired(RequestBlockArray, HiiHandle, VarStorageData, IfrOpHdr, VarWidth, &BlockData); + if (EFI_ERROR (Status)) { + goto Done; + } + + if (BlockData == NULL) { + // + // BlockData == NULL means this opcode is not in the requst array. + // + break; + } + + // + // Add default value for standard ID by CheckBox Flag + // + VarDefaultId = EFI_HII_DEFAULT_CLASS_STANDARD; + // + // Prepare new DefaultValue + // + DefaultData.DefaultId = VarDefaultId; + if ((IfrCheckBox->Flags & EFI_IFR_CHECKBOX_DEFAULT) == EFI_IFR_CHECKBOX_DEFAULT) { + // + // When flag is set, defautl value is TRUE. + // + DefaultData.Type = DefaultValueFromFlag; + DefaultData.Value.b = TRUE; + } else { + // + // When flag is not set, defautl value is FASLE. + // + DefaultData.Type = DefaultValueFromDefault; + DefaultData.Value.b = FALSE; + } + // + // Add DefaultValue into current BlockData + // + InsertDefaultValue (BlockData, &DefaultData); + + // + // Add default value for Manufacture ID by CheckBox Flag + // + VarDefaultId = EFI_HII_DEFAULT_CLASS_MANUFACTURING; + // + // Prepare new DefaultValue + // + DefaultData.DefaultId = VarDefaultId; + if ((IfrCheckBox->Flags & EFI_IFR_CHECKBOX_DEFAULT_MFG) == EFI_IFR_CHECKBOX_DEFAULT_MFG) { + // + // When flag is set, defautl value is TRUE. + // + DefaultData.Type = DefaultValueFromFlag; + DefaultData.Value.b = TRUE; + } else { + // + // When flag is not set, defautl value is FASLE. + // + DefaultData.Type = DefaultValueFromDefault; + DefaultData.Value.b = FALSE; + } + // + // Add DefaultValue into current BlockData + // + InsertDefaultValue (BlockData, &DefaultData); + break; + + case EFI_IFR_DATE_OP: + // + // offset by question header + // width MaxSize * sizeof (CHAR16) + // no default value, only block array + // + + // + // Date question is not in IFR Form. This IFR form is not valid. + // + if (VarStorageData->VarStoreId == 0) { + Status = EFI_INVALID_PARAMETER; + goto Done; + } + // + // Check whether this question is for the requested varstore. + // + IfrDate = (EFI_IFR_DATE *) IfrOpHdr; + if (IfrDate->Question.VarStoreId != VarStorageData->VarStoreId) { + break; + } + + VarWidth = (UINT16) sizeof (EFI_HII_DATE); + Status = IsThisOpcodeRequired(RequestBlockArray, HiiHandle, VarStorageData, IfrOpHdr, VarWidth, &BlockData); + if (EFI_ERROR (Status)) { + goto Done; + } + break; + + case EFI_IFR_TIME_OP: + // + // offset by question header + // width MaxSize * sizeof (CHAR16) + // no default value, only block array + // + + // + // Time question is not in IFR Form. This IFR form is not valid. + // + if (VarStorageData->VarStoreId == 0) { + Status = EFI_INVALID_PARAMETER; + goto Done; + } + // + // Check whether this question is for the requested varstore. + // + IfrTime = (EFI_IFR_TIME *) IfrOpHdr; + if (IfrTime->Question.VarStoreId != VarStorageData->VarStoreId) { + break; + } + + VarWidth = (UINT16) sizeof (EFI_HII_TIME); + Status = IsThisOpcodeRequired(RequestBlockArray, HiiHandle, VarStorageData, IfrOpHdr, VarWidth, &BlockData); + if (EFI_ERROR (Status)) { + goto Done; + } + break; + + case EFI_IFR_STRING_OP: + // + // offset by question header + // width MaxSize * sizeof (CHAR16) + // no default value, only block array + // + + // + // String question is not in IFR Form. This IFR form is not valid. + // + if (VarStorageData->VarStoreId == 0) { + Status = EFI_INVALID_PARAMETER; + goto Done; + } + // + // Check whether this question is for the requested varstore. + // + IfrString = (EFI_IFR_STRING *) IfrOpHdr; + if (IfrString->Question.VarStoreId != VarStorageData->VarStoreId) { + break; + } + + VarWidth = (UINT16) (IfrString->MaxSize * sizeof (UINT16)); + Status = IsThisOpcodeRequired(RequestBlockArray, HiiHandle, VarStorageData, IfrOpHdr, VarWidth, &BlockData); + if (EFI_ERROR (Status)) { + goto Done; + } + + // + // No default value for string. + // + BlockData = NULL; + break; + + case EFI_IFR_PASSWORD_OP: + // + // offset by question header + // width MaxSize * sizeof (CHAR16) + // no default value, only block array + // + + // + // Password question is not in IFR Form. This IFR form is not valid. + // + if (VarStorageData->VarStoreId == 0) { + Status = EFI_INVALID_PARAMETER; + goto Done; + } + // + // Check whether this question is for the requested varstore. + // + IfrPassword = (EFI_IFR_PASSWORD *) IfrOpHdr; + if (IfrPassword->Question.VarStoreId != VarStorageData->VarStoreId) { + break; + } + + VarWidth = (UINT16) (IfrPassword->MaxSize * sizeof (UINT16)); + Status = IsThisOpcodeRequired(RequestBlockArray, HiiHandle, VarStorageData, IfrOpHdr, VarWidth, &BlockData); + if (EFI_ERROR (Status)) { + goto Done; + } + + // + // No default value for string. + // + BlockData = NULL; + break; + + case EFI_IFR_ONE_OF_OPTION_OP: + // + // No matched block data is ignored. + // + if (BlockData == NULL || BlockData->Scope == 0) { + break; + } + + IfrOneOfOption = (EFI_IFR_ONE_OF_OPTION *) IfrOpHdr; + if (BlockData->OpCode == EFI_IFR_ORDERED_LIST_OP) { + // + // Get ordered list option data type. + // + if (IfrOneOfOption->Type == EFI_IFR_TYPE_NUM_SIZE_8 || IfrOneOfOption->Type == EFI_IFR_TYPE_BOOLEAN) { + VarWidth = 1; + } else if (IfrOneOfOption->Type == EFI_IFR_TYPE_NUM_SIZE_16) { + VarWidth = 2; + } else if (IfrOneOfOption->Type == EFI_IFR_TYPE_NUM_SIZE_32) { + VarWidth = 4; + } else if (IfrOneOfOption->Type == EFI_IFR_TYPE_NUM_SIZE_64) { + VarWidth = 8; + } else { + // + // Invalid ordered list option data type. + // + Status = EFI_INVALID_PARAMETER; + if (BlockData->Name != NULL) { + FreePool (BlockData->Name); + } + FreePool (BlockData); + goto Done; + } + + // + // Calculate Ordered list QuestionId width. + // + BlockData->Width = (UINT16) (BlockData->Width * VarWidth); + // + // Check whether this question is in requested block array. + // + if (!BlockArrayCheck (RequestBlockArray, BlockData->Offset, BlockData->Width, (BOOLEAN)(BlockData->Name != NULL), HiiHandle)) { + // + // This question is not in the requested string. Skip it. + // + if (BlockData->Name != NULL) { + FreePool (BlockData->Name); + } + FreePool (BlockData); + BlockData = NULL; + break; + } + // + // Check this var question is in the var storage + // + if ((BlockData->Name == NULL) && ((BlockData->Offset + BlockData->Width) > VarStorageData->Size)) { + Status = EFI_INVALID_PARAMETER; + if (BlockData->Name != NULL) { + FreePool (BlockData->Name); + } + FreePool (BlockData); + goto Done; + } + // + // Add Block Data into VarStorageData BlockEntry + // + InsertBlockData (&VarStorageData->BlockEntry, &BlockData); + // + // No default data for OrderedList. + // + BlockData = NULL; + break; + } + + // + // 1. Set default value for OneOf option when flag field has default attribute. + // + if (((IfrOneOfOption->Flags & EFI_IFR_OPTION_DEFAULT) == EFI_IFR_OPTION_DEFAULT) || + ((IfrOneOfOption->Flags & EFI_IFR_OPTION_DEFAULT_MFG) == EFI_IFR_OPTION_DEFAULT_MFG)) { + // + // This flag is used to specify whether this option is the first. Set it to FALSE for the following options. + // The first oneof option value will be used as default value when no default value is specified. + // + FirstOneOfOption = FALSE; + + // Prepare new DefaultValue + // + DefaultData.Type = DefaultValueFromFlag; + CopyMem (&DefaultData.Value, &IfrOneOfOption->Value, IfrOneOfOption->Header.Length - OFFSET_OF (EFI_IFR_ONE_OF_OPTION, Value)); + if ((IfrOneOfOption->Flags & EFI_IFR_OPTION_DEFAULT) == EFI_IFR_OPTION_DEFAULT) { + DefaultData.DefaultId = EFI_HII_DEFAULT_CLASS_STANDARD; + InsertDefaultValue (BlockData, &DefaultData); + } + if ((IfrOneOfOption->Flags & EFI_IFR_OPTION_DEFAULT_MFG) == EFI_IFR_OPTION_DEFAULT_MFG) { + DefaultData.DefaultId = EFI_HII_DEFAULT_CLASS_MANUFACTURING; + InsertDefaultValue (BlockData, &DefaultData); + } + } + + // + // 2. Set as the default value when this is the first option. + // The first oneof option value will be used as default value when no default value is specified. + // + if (FirstOneOfOption) { + // This flag is used to specify whether this option is the first. Set it to FALSE for the following options. + FirstOneOfOption = FALSE; + + // + // Prepare new DefaultValue + // + DefaultData.Type = DefaultValueFromDefault; + CopyMem (&DefaultData.Value, &IfrOneOfOption->Value, IfrOneOfOption->Header.Length - OFFSET_OF (EFI_IFR_ONE_OF_OPTION, Value)); + for (LinkData = DefaultIdArray->Entry.ForwardLink; LinkData != &DefaultIdArray->Entry; LinkData = LinkData->ForwardLink) { + DefaultDataPtr = BASE_CR (LinkData, IFR_DEFAULT_DATA, Entry); + DefaultData.DefaultId = DefaultDataPtr->DefaultId; + InsertDefaultValue (BlockData, &DefaultData); + } + } + break; + + case EFI_IFR_DEFAULT_OP: + // + // Update Current BlockData to the default value. + // + if (BlockData == NULL || BlockData->Scope == 0) { + // + // No matched block data is ignored. + // + break; + } + + if (BlockData->OpCode == EFI_IFR_ORDERED_LIST_OP) { + // + // OrderedList Opcode is no default value. + // + break; + } + // + // Get the DefaultId + // + IfrDefault = (EFI_IFR_DEFAULT *) IfrOpHdr; + VarDefaultId = IfrDefault->DefaultId; + // + // Prepare new DefaultValue + // + DefaultData.Type = DefaultValueFromOpcode; + DefaultData.DefaultId = VarDefaultId; + CopyMem (&DefaultData.Value, &IfrDefault->Value, IfrDefault->Header.Length - OFFSET_OF (EFI_IFR_DEFAULT, Value)); + + // If the value field is expression, set the cleaned flag. + if (IfrDefault->Type == EFI_IFR_TYPE_OTHER) { + DefaultData.Cleaned = TRUE; + } + // + // Add DefaultValue into current BlockData + // + InsertDefaultValue (BlockData, &DefaultData); + + // + // After insert the default value, reset the cleaned value for next + // time used. If not set here, need to set the value before everytime + // use it. + // + DefaultData.Cleaned = FALSE; + break; + + case EFI_IFR_END_OP: + // + // End Opcode is for Var question. + // + if (BlockData != NULL && BlockData->Scope > 0) { + BlockData->Scope--; + } + break; + + default: + if (BlockData != NULL && BlockData->Scope > 0) { + BlockData->Scope = (UINT8) (BlockData->Scope + IfrOpHdr->Scope); + } + break; + } + + IfrOffset += IfrOpHdr->Length; + } + +Done: + for (LinkData = VarStorageData->BlockEntry.ForwardLink; LinkData != &VarStorageData->BlockEntry; LinkData = LinkData->ForwardLink) { + BlockData = BASE_CR (LinkData, IFR_BLOCK_DATA, Entry); + for (LinkDefault = BlockData->DefaultValueEntry.ForwardLink; LinkDefault != &BlockData->DefaultValueEntry; ) { + DefaultDataPtr = BASE_CR (LinkDefault, IFR_DEFAULT_DATA, Entry); + LinkDefault = LinkDefault->ForwardLink; + if (DefaultDataPtr->Cleaned == TRUE) { + RemoveEntryList (&DefaultDataPtr->Entry); + FreePool (DefaultDataPtr); + } + } + } + + return Status; +} + +/** + parse the configrequest string, get the elements. + + @param ConfigRequest The input configrequest string. + @param Progress Return the progress data. + + @retval Block data pointer. +**/ +IFR_BLOCK_DATA * +GetBlockElement ( + IN EFI_STRING ConfigRequest, + OUT EFI_STRING *Progress + ) +{ + EFI_STRING StringPtr; + IFR_BLOCK_DATA *BlockData; + IFR_BLOCK_DATA *RequestBlockArray; + EFI_STATUS Status; + UINT8 *TmpBuffer; + UINT16 Offset; + UINT16 Width; + LIST_ENTRY *Link; + IFR_BLOCK_DATA *NextBlockData; + UINTN Length; + + // + // Init RequestBlockArray + // + RequestBlockArray = (IFR_BLOCK_DATA *) AllocateZeroPool (sizeof (IFR_BLOCK_DATA)); + if (RequestBlockArray == NULL) { + goto Done; + } + InitializeListHead (&RequestBlockArray->Entry); + + // + // Get the request Block array from the request string + // Offset and Width + // + + // + // Parse each if exists + // Only format is supported by this help function. + // ::= &'OFFSET='&'WIDTH=' + // + StringPtr = ConfigRequest; + while (*StringPtr != 0 && StrnCmp (StringPtr, L"&OFFSET=", StrLen (L"&OFFSET=")) == 0) { + // + // Skip the OFFSET string + // + *Progress = StringPtr; + StringPtr += StrLen (L"&OFFSET="); + // + // Get Offset + // + Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length); + if (EFI_ERROR (Status)) { + goto Done; + } + Offset = 0; + CopyMem ( + &Offset, + TmpBuffer, + (((Length + 1) / 2) < sizeof (UINT16)) ? ((Length + 1) / 2) : sizeof (UINT16) + ); + FreePool (TmpBuffer); + + StringPtr += Length; + if (StrnCmp (StringPtr, L"&WIDTH=", StrLen (L"&WIDTH=")) != 0) { + goto Done; + } + StringPtr += StrLen (L"&WIDTH="); + + // + // Get Width + // + Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length); + if (EFI_ERROR (Status)) { + goto Done; + } + Width = 0; + CopyMem ( + &Width, + TmpBuffer, + (((Length + 1) / 2) < sizeof (UINT16)) ? ((Length + 1) / 2) : sizeof (UINT16) + ); + FreePool (TmpBuffer); + + StringPtr += Length; + if (*StringPtr != 0 && *StringPtr != L'&') { + goto Done; + } + + // + // Set Block Data + // + BlockData = (IFR_BLOCK_DATA *) AllocateZeroPool (sizeof (IFR_BLOCK_DATA)); + if (BlockData == NULL) { + goto Done; + } + BlockData->Offset = Offset; + BlockData->Width = Width; + InsertBlockData (&RequestBlockArray->Entry, &BlockData); + + // + // Skip &VALUE string if &VALUE does exists. + // + if (StrnCmp (StringPtr, L"&VALUE=", StrLen (L"&VALUE=")) == 0) { + StringPtr += StrLen (L"&VALUE="); + + // + // Get Value + // + Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length); + if (EFI_ERROR (Status)) { + goto Done; + } + + StringPtr += Length; + if (*StringPtr != 0 && *StringPtr != L'&') { + goto Done; + } + } + // + // If '\0', parsing is finished. + // + if (*StringPtr == 0) { + break; + } + } + + // + // Merge the requested block data. + // + Link = RequestBlockArray->Entry.ForwardLink; + while ((Link != &RequestBlockArray->Entry) && (Link->ForwardLink != &RequestBlockArray->Entry)) { + BlockData = BASE_CR (Link, IFR_BLOCK_DATA, Entry); + NextBlockData = BASE_CR (Link->ForwardLink, IFR_BLOCK_DATA, Entry); + if ((NextBlockData->Offset >= BlockData->Offset) && (NextBlockData->Offset <= (BlockData->Offset + BlockData->Width))) { + if ((NextBlockData->Offset + NextBlockData->Width) > (BlockData->Offset + BlockData->Width)) { + BlockData->Width = (UINT16) (NextBlockData->Offset + NextBlockData->Width - BlockData->Offset); + } + RemoveEntryList (Link->ForwardLink); + FreePool (NextBlockData); + continue; + } + Link = Link->ForwardLink; + } + + return RequestBlockArray; + +Done: + if (RequestBlockArray != NULL) { + // + // Free Link Array RequestBlockArray + // + while (!IsListEmpty (&RequestBlockArray->Entry)) { + BlockData = BASE_CR (RequestBlockArray->Entry.ForwardLink, IFR_BLOCK_DATA, Entry); + RemoveEntryList (&BlockData->Entry); + FreePool (BlockData); + } + + FreePool (RequestBlockArray); + } + + return NULL; +} + +/** + parse the configrequest string, get the elements. + + @param ConfigRequest The input config request string. + @param Progress Return the progress data. + + @retval return data block array. +**/ +IFR_BLOCK_DATA * +GetNameElement ( + IN EFI_STRING ConfigRequest, + OUT EFI_STRING *Progress + ) +{ + EFI_STRING StringPtr; + EFI_STRING NextTag; + IFR_BLOCK_DATA *BlockData; + IFR_BLOCK_DATA *RequestBlockArray; + BOOLEAN HasValue; + + StringPtr = ConfigRequest; + + // + // Init RequestBlockArray + // + RequestBlockArray = (IFR_BLOCK_DATA *) AllocateZeroPool (sizeof (IFR_BLOCK_DATA)); + if (RequestBlockArray == NULL) { + goto Done; + } + InitializeListHead (&RequestBlockArray->Entry); + + // + // Get the request Block array from the request string + // + + // + // Parse each if exists + // Only format is supported by this help function. + // ::= &'Name***=*** + // + while (StringPtr != NULL && *StringPtr == L'&') { + + *Progress = StringPtr; + // + // Skip the L"&" string + // + StringPtr += 1; + + HasValue = FALSE; + if ((NextTag = StrStr (StringPtr, L"=")) != NULL) { + *NextTag = L'\0'; + HasValue = TRUE; + } else if ((NextTag = StrStr (StringPtr, L"&")) != NULL) { + *NextTag = L'\0'; + } + + // + // Set Block Data + // + BlockData = (IFR_BLOCK_DATA *) AllocateZeroPool (sizeof (IFR_BLOCK_DATA)); + if (BlockData == NULL) { + goto Done; + } + + // + // Get Name + // + BlockData->Name = AllocateCopyPool(StrSize (StringPtr), StringPtr); + InsertBlockData (&RequestBlockArray->Entry, &BlockData); + + if (HasValue) { + // + // If has value, skip the value. + // + StringPtr = NextTag + 1; + *NextTag = L'='; + StringPtr = StrStr (StringPtr, L"&"); + } else if (NextTag != NULL) { + // + // restore the '&' text. + // + StringPtr = NextTag; + *NextTag = L'&'; + } + } + + return RequestBlockArray; + +Done: + if (RequestBlockArray != NULL) { + // + // Free Link Array RequestBlockArray + // + while (!IsListEmpty (&RequestBlockArray->Entry)) { + BlockData = BASE_CR (RequestBlockArray->Entry.ForwardLink, IFR_BLOCK_DATA, Entry); + RemoveEntryList (&BlockData->Entry); + if (BlockData->Name != NULL) { + FreePool (BlockData->Name); + } + FreePool (BlockData); + } + + FreePool (RequestBlockArray); + } + + return NULL; +} + +/** + Generate ConfigRequest string base on the varstore info. + + @param ConfigHdr The config header for this varstore. + @param VarStorageData The varstore info. + @param Status Return Status. + @param ConfigRequest The ConfigRequest info may be return. + + @retval TRUE Need to continue + @retval Others NO need to continue or error occur. +**/ +BOOLEAN +GenerateConfigRequest ( + IN CHAR16 *ConfigHdr, + IN IFR_VARSTORAGE_DATA *VarStorageData, + OUT EFI_STATUS *Status, + IN OUT EFI_STRING *ConfigRequest + ) +{ + BOOLEAN DataExist; + UINTN Length; + LIST_ENTRY *Link; + CHAR16 *FullConfigRequest; + CHAR16 *StringPtr; + IFR_BLOCK_DATA *BlockData; + + // + // Append VarStorageData BlockEntry into *Request string + // Now support only one varstore in a form package. + // + + // + // Go through all VarStorageData Entry and get BlockEntry for each one for the multiple varstore in a single form package + // Then construct them all to return MultiRequest string : ConfigHdr BlockConfig + // + + // + // Compute the length of the entire request starting with and a + // Null-terminator + // + DataExist = FALSE; + Length = StrLen (ConfigHdr) + 1; + + for (Link = VarStorageData->BlockEntry.ForwardLink; Link != &VarStorageData->BlockEntry; Link = Link->ForwardLink) { + DataExist = TRUE; + BlockData = BASE_CR (Link, IFR_BLOCK_DATA, Entry); + if (VarStorageData->Type == EFI_HII_VARSTORE_NAME_VALUE) { + // + // Add length for each Name + // + // ::= &Name1&Name2&... + // |1| StrLen(Name1) + // + Length = Length + (1 + StrLen (BlockData->Name)); + } else { + // + // Add length for each Offset/Width pair + // + // ::= &OFFSET=1234&WIDTH=1234 + // | 8 | 4 | 7 | 4 | + // + Length = Length + (8 + 4 + 7 + 4); + } + } + // + // No any request block data is found. The request string can't be constructed. + // + if (!DataExist) { + *Status = EFI_SUCCESS; + return FALSE; + } + + // + // Allocate buffer for the entire + // + FullConfigRequest = AllocateZeroPool (Length * sizeof (CHAR16)); + if (FullConfigRequest == NULL) { + *Status = EFI_OUT_OF_RESOURCES; + return FALSE; + } + StringPtr = FullConfigRequest; + + // + // Start with + // + StrCpy (StringPtr, ConfigHdr); + StringPtr += StrLen (StringPtr); + + // + // Loop through all the Offset/Width pairs and append them to ConfigRequest + // + for (Link = VarStorageData->BlockEntry.ForwardLink; Link != &VarStorageData->BlockEntry; Link = Link->ForwardLink) { + BlockData = BASE_CR (Link, IFR_BLOCK_DATA, Entry); + if (VarStorageData->Type == EFI_HII_VARSTORE_NAME_VALUE) { + // + // Append &Name1\0 + // + UnicodeSPrint ( + StringPtr, + (1 + StrLen (BlockData->Name) + 1) * sizeof (CHAR16), + L"&%s", + BlockData->Name + ); + } else { + // + // Append &OFFSET=XXXX&WIDTH=YYYY\0 + // + UnicodeSPrint ( + StringPtr, + (8 + 4 + 7 + 4 + 1) * sizeof (CHAR16), + L"&OFFSET=%04X&WIDTH=%04X", + BlockData->Offset, + BlockData->Width + ); + } + StringPtr += StrLen (StringPtr); + } + // + // Set to the got full request string. + // + HiiToLower (FullConfigRequest); + + if (*ConfigRequest != NULL) { + FreePool (*ConfigRequest); + } + *ConfigRequest = FullConfigRequest; + + return TRUE; +} + +/** + Generate ConfigRequest Header base on the varstore info. + + @param VarStorageData The varstore info. + @param DevicePath Device path for this varstore. + @param ConfigHdr The config header for this varstore. + + @retval EFI_SUCCESS Generate the header success. + @retval EFI_OUT_OF_RESOURCES Allocate buffer fail. +**/ +EFI_STATUS +GenerateHdr ( + IN IFR_VARSTORAGE_DATA *VarStorageData, + IN EFI_DEVICE_PATH_PROTOCOL *DevicePath, + OUT EFI_STRING *ConfigHdr + ) +{ + EFI_STRING GuidStr; + EFI_STRING NameStr; + EFI_STRING PathStr; + UINTN Length; + EFI_STATUS Status; + + Status = EFI_SUCCESS; + NameStr = NULL; + GuidStr = NULL; + PathStr = NULL; + + // + // Construct : "GUID=...&NAME=...&PATH=..." by VarStorageData Guid, Name and DriverHandle + // + GenerateSubStr (L"GUID=", sizeof (EFI_GUID), (VOID *) &VarStorageData->Guid, 1, &GuidStr); + if (VarStorageData->Name != NULL) { + GenerateSubStr (L"NAME=", StrLen (VarStorageData->Name) * sizeof (CHAR16), (VOID *) VarStorageData->Name, 2, &NameStr); + } else { + GenerateSubStr (L"NAME=", 0, NULL, 2, &NameStr); + } + GenerateSubStr ( + L"PATH=", + GetDevicePathSize ((EFI_DEVICE_PATH_PROTOCOL *) DevicePath), + (VOID *) DevicePath, + 1, + &PathStr + ); + Length = StrLen (GuidStr) + StrLen (NameStr) + StrLen (PathStr) + 1; + if (VarStorageData->Name == NULL) { + Length += 1; + } + + *ConfigHdr = AllocateZeroPool (Length * sizeof (CHAR16)); + if (*ConfigHdr == NULL) { + Status = EFI_OUT_OF_RESOURCES; + goto Done; + } + StrCpy (*ConfigHdr, GuidStr); + StrCat (*ConfigHdr, NameStr); + if (VarStorageData->Name == NULL) { + StrCat (*ConfigHdr, L"&"); + } + StrCat (*ConfigHdr, PathStr); + + // + // Remove the last character L'&' + // + *(*ConfigHdr + StrLen (*ConfigHdr) - 1) = L'\0'; + +Done: + if (GuidStr != NULL) { + FreePool (GuidStr); + } + + if (NameStr != NULL) { + FreePool (NameStr); + } + + if (PathStr != NULL) { + FreePool (PathStr); + } + + return Status; +} + +/** + Get Data buffer size based on data type. + + @param ValueType The input data type. + + @retval The data buffer size for the input type. +**/ +UINT16 +GetStorageWidth ( + IN UINT8 ValueType + ) +{ + UINT16 StorageWidth; + + switch (ValueType) { + case EFI_IFR_NUMERIC_SIZE_1: + case EFI_IFR_TYPE_BOOLEAN: + StorageWidth = (UINT16) sizeof (UINT8); + break; + + case EFI_IFR_NUMERIC_SIZE_2: + StorageWidth = (UINT16) sizeof (UINT16); + break; + + case EFI_IFR_NUMERIC_SIZE_4: + StorageWidth = (UINT16) sizeof (UINT32); + break; + + case EFI_IFR_NUMERIC_SIZE_8: + StorageWidth = (UINT16) sizeof (UINT64); + break; + + case EFI_IFR_TYPE_TIME: + StorageWidth = (UINT16) sizeof (EFI_IFR_TIME); + break; + + case EFI_IFR_TYPE_DATE: + StorageWidth = (UINT16) sizeof (EFI_IFR_DATE); + break; + + default: + StorageWidth = 0; + break; + } + + return StorageWidth; +} + +/** + Generate ConfigAltResp string base on the varstore info. + + @param ConfigHdr The config header for this varstore. + @param VarStorageData The varstore info. + @param DefaultIdArray The Default id array. + @param DefaultAltCfgResp The DefaultAltCfgResp info may be return. + + @retval TRUE Need to continue + @retval Others NO need to continue or error occur. +**/ +EFI_STATUS +GenerateAltConfigResp ( + IN CHAR16 *ConfigHdr, + IN IFR_VARSTORAGE_DATA *VarStorageData, + IN IFR_DEFAULT_DATA *DefaultIdArray, + IN OUT EFI_STRING *DefaultAltCfgResp + ) +{ + BOOLEAN DataExist; + UINTN Length; + LIST_ENTRY *Link; + LIST_ENTRY *LinkData; + LIST_ENTRY *LinkDefault; + LIST_ENTRY *ListEntry; + CHAR16 *StringPtr; + IFR_BLOCK_DATA *BlockData; + IFR_DEFAULT_DATA *DefaultId; + IFR_DEFAULT_DATA *DefaultValueData; + UINTN Width; + UINT8 *TmpBuffer; + + BlockData = NULL; + DataExist = FALSE; + + // + // Add length for + '\0' + // + Length = StrLen (ConfigHdr) + 1; + + for (Link = DefaultIdArray->Entry.ForwardLink; Link != &DefaultIdArray->Entry; Link = Link->ForwardLink) { + DefaultId = BASE_CR (Link, IFR_DEFAULT_DATA, Entry); + // + // Add length for "&&ALTCFG=XXXX" + // |1| StrLen (ConfigHdr) | 8 | 4 | + // + Length += (1 + StrLen (ConfigHdr) + 8 + 4); + + for (LinkData = VarStorageData->BlockEntry.ForwardLink; LinkData != &VarStorageData->BlockEntry; LinkData = LinkData->ForwardLink) { + BlockData = BASE_CR (LinkData, IFR_BLOCK_DATA, Entry); + ListEntry = &BlockData->DefaultValueEntry; + for (LinkDefault = ListEntry->ForwardLink; LinkDefault != ListEntry; LinkDefault = LinkDefault->ForwardLink) { + DefaultValueData = BASE_CR (LinkDefault, IFR_DEFAULT_DATA, Entry); + if (DefaultValueData->DefaultId != DefaultId->DefaultId) { + continue; + } + if (VarStorageData->Type == EFI_HII_VARSTORE_NAME_VALUE) { + // + // Add length for "&Name1=zzzzzzzzzzzz" + // |1|Name|1|Value| + // + Length += (1 + StrLen (BlockData->Name) + 1 + BlockData->Width * 2); + } else { + // + // Add length for "&OFFSET=XXXX&WIDTH=YYYY&VALUE=zzzzzzzzzzzz" + // | 8 | 4 | 7 | 4 | 7 | Width * 2 | + // + Length += (8 + 4 + 7 + 4 + 7 + BlockData->Width * 2); + } + DataExist = TRUE; + } + } + } + + // + // No default value is found. The default string doesn't exist. + // + if (!DataExist) { + return EFI_SUCCESS; + } + + // + // Allocate buffer for the entire + // + *DefaultAltCfgResp = AllocateZeroPool (Length * sizeof (CHAR16)); + if (*DefaultAltCfgResp == NULL) { + return EFI_OUT_OF_RESOURCES; + } + StringPtr = *DefaultAltCfgResp; + + // + // Start with + // + StrCpy (StringPtr, ConfigHdr); + StringPtr += StrLen (StringPtr); + + for (Link = DefaultIdArray->Entry.ForwardLink; Link != &DefaultIdArray->Entry; Link = Link->ForwardLink) { + DefaultId = BASE_CR (Link, IFR_DEFAULT_DATA, Entry); + // + // Add of the form "&&ALTCFG=XXXX\0" + // |1| StrLen (ConfigHdr) | 8 | 4 | + // + UnicodeSPrint ( + StringPtr, + (1 + StrLen (ConfigHdr) + 8 + 4 + 1) * sizeof (CHAR16), + L"&%s&ALTCFG=%04X", + ConfigHdr, + DefaultId->DefaultId + ); + StringPtr += StrLen (StringPtr); + + for (LinkData = VarStorageData->BlockEntry.ForwardLink; LinkData != &VarStorageData->BlockEntry; LinkData = LinkData->ForwardLink) { + BlockData = BASE_CR (LinkData, IFR_BLOCK_DATA, Entry); + ListEntry = &BlockData->DefaultValueEntry; + for (LinkDefault = ListEntry->ForwardLink; LinkDefault != ListEntry; LinkDefault = LinkDefault->ForwardLink) { + DefaultValueData = BASE_CR (LinkDefault, IFR_DEFAULT_DATA, Entry); + if (DefaultValueData->DefaultId != DefaultId->DefaultId) { + continue; + } + if (VarStorageData->Type == EFI_HII_VARSTORE_NAME_VALUE) { + UnicodeSPrint ( + StringPtr, + (1 + StrLen (ConfigHdr) + 1) * sizeof (CHAR16), + L"&%s=", + BlockData->Name + ); + StringPtr += StrLen (StringPtr); + } else { + // + // Add + // ::= 'OFFSET='&'WIDTH='&'VALUE'= + // + UnicodeSPrint ( + StringPtr, + (8 + 4 + 7 + 4 + 7 + 1) * sizeof (CHAR16), + L"&OFFSET=%04X&WIDTH=%04X&VALUE=", + BlockData->Offset, + BlockData->Width + ); + StringPtr += StrLen (StringPtr); + } + Width = BlockData->Width; + // + // Convert Value to a hex string in "%x" format + // NOTE: This is in the opposite byte that GUID and PATH use + // + TmpBuffer = (UINT8 *) &(DefaultValueData->Value); + for (; Width > 0; Width--) { + StringPtr += UnicodeValueToString (StringPtr, PREFIX_ZERO | RADIX_HEX, TmpBuffer[Width - 1], 2); + } + } + } + } + + HiiToLower (*DefaultAltCfgResp); + + return EFI_SUCCESS; +} + +/** + This function gets the full request string and full default value string by + parsing IFR data in HII form packages. + + When Request points to NULL string, the request string and default value string + for each varstore in form package will return. + + @param DataBaseRecord The DataBaseRecord instance contains the found Hii handle and package. + @param DevicePath Device Path which Hii Config Access Protocol is registered. + @param Request Pointer to a null-terminated Unicode string in + format. When it doesn't contain + any RequestElement, it will be updated to return + the full RequestElement retrieved from IFR data. + If it points to NULL, the request string for the first + varstore in form package will be merged into a + format string and return. + @param AltCfgResp Pointer to a null-terminated Unicode string in + format. When the pointer is to NULL, + the full default value string retrieved from IFR data + will return. When the pinter is to a string, the + full default value string retrieved from IFR data + will be merged into the input string and return. + When Request points to NULL, the default value string + for each varstore in form package will be merged into + a 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. + +**/ +EFI_STATUS +EFIAPI +GetFullStringFromHiiFormPackages ( + IN HII_DATABASE_RECORD *DataBaseRecord, + IN EFI_DEVICE_PATH_PROTOCOL *DevicePath, + IN OUT EFI_STRING *Request, + IN OUT EFI_STRING *AltCfgResp, + OUT EFI_STRING *PointerProgress OPTIONAL + ) +{ + EFI_STATUS Status; + UINT8 *HiiFormPackage; + UINTN PackageSize; + IFR_BLOCK_DATA *RequestBlockArray; + IFR_BLOCK_DATA *BlockData; + IFR_DEFAULT_DATA *DefaultValueData; + IFR_DEFAULT_DATA *DefaultId; + IFR_DEFAULT_DATA *DefaultIdArray; + IFR_VARSTORAGE_DATA *VarStorageData; + EFI_STRING DefaultAltCfgResp; + EFI_STRING ConfigHdr; + EFI_STRING StringPtr; + EFI_STRING Progress; + BOOLEAN DataExist; + + if (DataBaseRecord == NULL || DevicePath == NULL || Request == NULL || AltCfgResp == NULL) { + return EFI_INVALID_PARAMETER; + } + + // + // Initialize the local variables. + // + RequestBlockArray = NULL; + DefaultIdArray = NULL; + VarStorageData = NULL; + DefaultAltCfgResp = NULL; + ConfigHdr = NULL; + HiiFormPackage = NULL; + PackageSize = 0; + DataExist = FALSE; + Progress = *Request; + + Status = GetFormPackageData (DataBaseRecord, &HiiFormPackage, &PackageSize); + if (EFI_ERROR (Status)) { + return Status; + } + + // + // 1. Get the request block array by Request String when Request string containts the block array. + // + StringPtr = NULL; + if (*Request != NULL) { + StringPtr = *Request; + // + // Jump + // + 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 ++; + } + + if (*StringPtr == L'\0') { + // + // No request block is found. + // + StringPtr = NULL; + } + } + + // + // If StringPtr != NULL, get the request elements. + // + if (StringPtr != NULL) { + if (StrStr (StringPtr, L"&OFFSET=") != NULL) { + RequestBlockArray = GetBlockElement(StringPtr, &Progress); + } else { + RequestBlockArray = GetNameElement(StringPtr, &Progress); + } + + if (RequestBlockArray == NULL) { + Status = EFI_INVALID_PARAMETER; + goto Done; + } + } + + // + // Initialize DefaultIdArray to store the map between DeaultId and DefaultName + // + DefaultIdArray = (IFR_DEFAULT_DATA *) AllocateZeroPool (sizeof (IFR_DEFAULT_DATA)); + if (DefaultIdArray == NULL) { + Status = EFI_OUT_OF_RESOURCES; + goto Done; + } + InitializeListHead (&DefaultIdArray->Entry); + + // + // Initialize VarStorageData to store the var store Block and Default value information. + // + VarStorageData = (IFR_VARSTORAGE_DATA *) AllocateZeroPool (sizeof (IFR_VARSTORAGE_DATA)); + if (VarStorageData == NULL) { + Status = EFI_OUT_OF_RESOURCES; + goto Done; + } + InitializeListHead (&VarStorageData->Entry); + InitializeListHead (&VarStorageData->BlockEntry); + + // + // 2. Parse FormPackage to get BlockArray and DefaultId Array for the request BlockArray. + // + + // + // Parse the opcode in form pacakge to get the default setting. + // + Status = ParseIfrData (DataBaseRecord->Handle, + HiiFormPackage, + (UINT32) PackageSize, + *Request, + RequestBlockArray, + VarStorageData, + DefaultIdArray); + if (EFI_ERROR (Status)) { + goto Done; + } + + // + // No requested varstore in IFR data and directly return + // + if (VarStorageData->VarStoreId == 0) { + Status = EFI_SUCCESS; + goto Done; + } + + // + // 3. Construct Request Element (Block Name) for 2.1 and 2.2 case. + // + Status = GenerateHdr (VarStorageData, DevicePath, &ConfigHdr); + if (EFI_ERROR (Status)) { + goto Done; + } + + if (RequestBlockArray == NULL) { + if (!GenerateConfigRequest(ConfigHdr, VarStorageData, &Status, Request)) { + goto Done; + } + } + + // + // 4. Construct Default Value string in AltResp according to request element. + // Go through all VarStorageData Entry and get the DefaultId array for each one + // Then construct them all to : ConfigHdr AltConfigHdr ConfigBody AltConfigHdr ConfigBody + // + Status = GenerateAltConfigResp (ConfigHdr, VarStorageData, DefaultIdArray, &DefaultAltCfgResp); + if (EFI_ERROR (Status)) { + goto Done; + } + + // + // 5. Merge string into the input AltCfgResp if the iput *AltCfgResp is not NULL. + // + if (*AltCfgResp != NULL && DefaultAltCfgResp != NULL) { + Status = MergeDefaultString (AltCfgResp, DefaultAltCfgResp); + FreePool (DefaultAltCfgResp); + } else if (*AltCfgResp == NULL) { + *AltCfgResp = DefaultAltCfgResp; + } + +Done: + if (RequestBlockArray != NULL) { + // + // Free Link Array RequestBlockArray + // + while (!IsListEmpty (&RequestBlockArray->Entry)) { + BlockData = BASE_CR (RequestBlockArray->Entry.ForwardLink, IFR_BLOCK_DATA, Entry); + RemoveEntryList (&BlockData->Entry); + if (BlockData->Name != NULL) { + FreePool (BlockData->Name); + } + FreePool (BlockData); + } + + FreePool (RequestBlockArray); + } + + if (VarStorageData != NULL) { + // + // Free link array VarStorageData + // + while (!IsListEmpty (&VarStorageData->BlockEntry)) { + BlockData = BASE_CR (VarStorageData->BlockEntry.ForwardLink, IFR_BLOCK_DATA, Entry); + RemoveEntryList (&BlockData->Entry); + if (BlockData->Name != NULL) { + FreePool (BlockData->Name); + } + // + // Free default value link array + // + while (!IsListEmpty (&BlockData->DefaultValueEntry)) { + DefaultValueData = BASE_CR (BlockData->DefaultValueEntry.ForwardLink, IFR_DEFAULT_DATA, Entry); + RemoveEntryList (&DefaultValueData->Entry); + FreePool (DefaultValueData); + } + FreePool (BlockData); + } + FreePool (VarStorageData); + } + + if (DefaultIdArray != NULL) { + // + // Free DefaultId Array + // + while (!IsListEmpty (&DefaultIdArray->Entry)) { + DefaultId = BASE_CR (DefaultIdArray->Entry.ForwardLink, IFR_DEFAULT_DATA, Entry); + RemoveEntryList (&DefaultId->Entry); + FreePool (DefaultId); + } + FreePool (DefaultIdArray); + } + + // + // Free the allocated string + // + if (ConfigHdr != NULL) { + FreePool (ConfigHdr); + } + + // + // Free Pacakge data + // + if (HiiFormPackage != NULL) { + FreePool (HiiFormPackage); + } + + if (PointerProgress != NULL) { + if (*Request == NULL) { + *PointerProgress = NULL; + } else if (EFI_ERROR (Status)) { + *PointerProgress = *Request; + } else { + *PointerProgress = *Request + StrLen (*Request); + } + } + + return Status; +} + +/** + This function gets the full request resp string by + parsing IFR data in HII form packages. + + @param This A pointer to the EFI_HII_CONFIG_ROUTING_PROTOCOL + instance. + @param EfiVarStoreInfo The efi varstore info which is save in the EFI + varstore data structure. + @param Request Pointer to a null-terminated Unicode string in + format. + @param RequestResp Pointer to a null-terminated Unicode string in + format. + @param AccessProgress 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_INVALID_PARAMETER Request points to NULL. + +**/ +EFI_STATUS +GetConfigRespFromEfiVarStore ( + IN CONST EFI_HII_CONFIG_ROUTING_PROTOCOL *This, + IN EFI_IFR_VARSTORE_EFI *EfiVarStoreInfo, + IN EFI_STRING Request, + OUT EFI_STRING *RequestResp, + OUT EFI_STRING *AccessProgress + ) +{ + EFI_STATUS Status; + EFI_STRING VarStoreName; + UINT8 *VarStore; + UINTN BufferSize; + + Status = EFI_SUCCESS; + BufferSize = 0; + VarStore = NULL; + VarStoreName = NULL; + + VarStoreName = AllocateZeroPool (AsciiStrSize ((CHAR8 *)EfiVarStoreInfo->Name) * sizeof (CHAR16)); + if (VarStoreName == NULL) { + Status = EFI_OUT_OF_RESOURCES; + goto Done; + } + AsciiStrToUnicodeStr ((CHAR8 *) EfiVarStoreInfo->Name, VarStoreName); + + + Status = gRT->GetVariable (VarStoreName, &EfiVarStoreInfo->Guid, NULL, &BufferSize, NULL); + if (Status != EFI_BUFFER_TOO_SMALL) { + goto Done; + } + + VarStore = AllocateZeroPool (BufferSize); + ASSERT (VarStore != NULL); + Status = gRT->GetVariable (VarStoreName, &EfiVarStoreInfo->Guid, NULL, &BufferSize, VarStore); + if (EFI_ERROR (Status)) { + goto Done; + } + + Status = HiiBlockToConfig(This, Request, VarStore, BufferSize, RequestResp, AccessProgress); + if (EFI_ERROR (Status)) { + goto Done; + } + +Done: + if (VarStoreName != NULL) { + FreePool (VarStoreName); + } + + if (VarStore != NULL) { + FreePool (VarStore); + } + + return Status; +} + + +/** + This function route the full request resp string for efi varstore. + + @param This A pointer to the EFI_HII_CONFIG_ROUTING_PROTOCOL + instance. + @param EfiVarStoreInfo The efi varstore info which is save in the EFI + varstore data structure. + @param RequestResp Pointer to a null-terminated Unicode string in + format. + @param Result Pointer to a null-terminated Unicode string in + format. + + @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_INVALID_PARAMETER Request points to NULL. + +**/ +EFI_STATUS +RouteConfigRespForEfiVarStore ( + IN CONST EFI_HII_CONFIG_ROUTING_PROTOCOL *This, + IN EFI_IFR_VARSTORE_EFI *EfiVarStoreInfo, + IN EFI_STRING RequestResp, + OUT EFI_STRING *Result + ) +{ + EFI_STATUS Status; + EFI_STRING VarStoreName; + UINT8 *VarStore; + UINTN BufferSize; + UINTN BlockSize; + + Status = EFI_SUCCESS; + BufferSize = 0; + VarStore = NULL; + VarStoreName = NULL; + + VarStoreName = AllocateZeroPool (AsciiStrSize ((CHAR8 *)EfiVarStoreInfo->Name) * sizeof (CHAR16)); + if (VarStoreName == NULL) { + Status = EFI_OUT_OF_RESOURCES; + goto Done; + } + AsciiStrToUnicodeStr ((CHAR8 *) EfiVarStoreInfo->Name, VarStoreName); + + Status = gRT->GetVariable (VarStoreName, &EfiVarStoreInfo->Guid, NULL, &BufferSize, NULL); + if (Status != EFI_BUFFER_TOO_SMALL) { + goto Done; + } + + BlockSize = BufferSize; + VarStore = AllocateZeroPool (BufferSize); + ASSERT (VarStore != NULL); + Status = gRT->GetVariable (VarStoreName, &EfiVarStoreInfo->Guid, NULL, &BufferSize, VarStore); + if (EFI_ERROR (Status)) { + goto Done; + } + + Status = HiiConfigToBlock(This, RequestResp, VarStore, &BlockSize, Result); + if (EFI_ERROR (Status)) { + goto Done; + } + + Status = gRT->SetVariable (VarStoreName, &EfiVarStoreInfo->Guid, EfiVarStoreInfo->Attributes, BufferSize, VarStore); + if (EFI_ERROR (Status)) { + goto Done; + } + +Done: + if (VarStoreName != NULL) { + FreePool (VarStoreName); + } + + if (VarStore != NULL) { + FreePool (VarStore); + } + + return Status; +} + +/** + Validate the config request elements. + + @param ConfigElements A null-terminated Unicode string in format, + without configHdr field. + + @retval CHAR16 * THE first Name/value pair not correct. + @retval NULL Success parse the name/value pair +**/ +CHAR16 * +OffsetWidthValidate ( + CHAR16 *ConfigElements + ) +{ + CHAR16 *StringPtr; + CHAR16 *RetVal; + + StringPtr = ConfigElements; + + while (1) { + RetVal = StringPtr; + if (StrnCmp (StringPtr, L"&OFFSET=", StrLen (L"&OFFSET=")) != 0) { + return RetVal; + } + + while (*StringPtr != L'\0' && StrnCmp (StringPtr, L"&WIDTH=", StrLen (L"&WIDTH=")) != 0) { + StringPtr++; + } + if (*StringPtr == L'\0') { + return RetVal; + } + + StringPtr += StrLen (L"&WIDTH="); + while (*StringPtr != L'\0' && StrnCmp (StringPtr, L"&OFFSET=", StrLen (L"&OFFSET=")) != 0) { + StringPtr ++; + } + + if (*StringPtr == L'\0') { + return NULL; + } + } +} + +/** + Validate the config request elements. + + @param ConfigElements A null-terminated Unicode string in format, + without configHdr field. + + @retval CHAR16 * THE first Name/value pair not correct. + @retval NULL Success parse the name/value pair + +**/ +CHAR16 * +NameValueValidate ( + CHAR16 *ConfigElements + ) +{ + CHAR16 *StringPtr; + CHAR16 *RetVal; + + StringPtr = ConfigElements; + + while (1) { + RetVal = StringPtr; + if (*StringPtr != L'&') { + return RetVal; + } + StringPtr += 1; + + StringPtr = StrStr (StringPtr, L"&"); + + if (StringPtr == NULL) { + return NULL; + } + } +} + +/** + Validate the config request string. + + @param ConfigRequest A null-terminated Unicode string in format. + + @retval CHAR16 * THE first element not correct. + @retval NULL Success parse the name/value pair + +**/ +CHAR16 * +ConfigRequestValidate ( + CHAR16 *ConfigRequest + ) +{ + BOOLEAN HasNameField; + CHAR16 *StringPtr; + + HasNameField = TRUE; + StringPtr = ConfigRequest; + + // + // Check + // + if (StrnCmp (StringPtr, L"GUID=", StrLen (L"GUID=")) != 0) { + return ConfigRequest; + } + StringPtr += StrLen (L"GUID="); + while (*StringPtr != L'\0' && StrnCmp (StringPtr, L"&NAME=", StrLen (L"&NAME=")) != 0) { + StringPtr++; + } + if (*StringPtr == L'\0') { + return ConfigRequest; + } + StringPtr += StrLen (L"&NAME="); + if (*StringPtr == L'&') { + HasNameField = FALSE; + } + while (*StringPtr != L'\0' && StrnCmp (StringPtr, L"&PATH=", StrLen (L"&PATH=")) != 0) { + StringPtr++; + } + if (*StringPtr == L'\0') { + return ConfigRequest; + } + StringPtr += StrLen (L"&PATH="); + while (*StringPtr != L'\0' && *StringPtr != L'&') { + StringPtr ++; + } + + if (*StringPtr == L'\0') { + return NULL; + } + + if (HasNameField) { + // + // Should be Buffer varstore, config request should be "OFFSET/Width" pairs. + // + return OffsetWidthValidate(StringPtr); + } else { + // + // Should be Name/Value varstore, config request should be "&name1&name2..." pairs. + // + return NameValueValidate(StringPtr); + } +} + +/** + This function allows a caller to extract the current configuration + for one or more named elements from one or more drivers. + + @param This A pointer to the EFI_HII_CONFIG_ROUTING_PROTOCOL + instance. + @param Request A null-terminated Unicode string in + format. + @param Progress 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. + @param Results Null-terminated Unicode string in + format which has all values + filled in for the names in the Request string. + String to be allocated by the called function. + + @retval EFI_SUCCESS The Results string is filled with the values + corresponding to all requested names. + @retval EFI_OUT_OF_RESOURCES Not enough memory to store the parts of the + results that must be stored awaiting possible + future protocols. + @retval EFI_NOT_FOUND Routing data doesn't match any known driver. + Progress set to the "G" in "GUID" of the routing + header that doesn't match. Note: There is no + requirement that all routing data be validated + before any configuration extraction. + @retval EFI_INVALID_PARAMETER For example, passing in a NULL for the Request + parameter would result in this type of error. The + Progress parameter is set to NULL. + @retval EFI_INVALID_PARAMETER Illegal syntax. Progress set to most recent & + before the error or the beginning of the string. + @retval EFI_INVALID_PARAMETER Unknown name. Progress points to the & before the + name in question. + +**/ +EFI_STATUS +EFIAPI +HiiConfigRoutingExtractConfig ( + IN CONST EFI_HII_CONFIG_ROUTING_PROTOCOL *This, + IN CONST EFI_STRING Request, + OUT EFI_STRING *Progress, + OUT EFI_STRING *Results + ) +{ + HII_DATABASE_PRIVATE_DATA *Private; + EFI_STRING StringPtr; + EFI_STRING ConfigRequest; + UINTN Length; + EFI_DEVICE_PATH_PROTOCOL *DevicePath; + EFI_DEVICE_PATH_PROTOCOL *TempDevicePath; + EFI_STATUS Status; + LIST_ENTRY *Link; + HII_DATABASE_RECORD *Database; + UINT8 *DevicePathPkg; + UINT8 *CurrentDevicePath; + EFI_HANDLE DriverHandle; + EFI_HII_HANDLE HiiHandle; + EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess; + EFI_STRING AccessProgress; + EFI_STRING AccessResults; + EFI_STRING DefaultResults; + BOOLEAN FirstElement; + BOOLEAN IfrDataParsedFlag; + BOOLEAN IsEfiVarStore; + EFI_IFR_VARSTORE_EFI *EfiVarStoreInfo; + EFI_STRING ErrorPtr; + + if (This == NULL || Progress == NULL || Results == NULL) { + return EFI_INVALID_PARAMETER; + } + + if (Request == NULL) { + *Progress = NULL; + return EFI_INVALID_PARAMETER; + } + + Private = CONFIG_ROUTING_DATABASE_PRIVATE_DATA_FROM_THIS (This); + StringPtr = Request; + *Progress = StringPtr; + DefaultResults = NULL; + ConfigRequest = NULL; + Status = EFI_SUCCESS; + AccessResults = NULL; + AccessProgress = NULL; + DevicePath = NULL; + IfrDataParsedFlag = FALSE; + IsEfiVarStore = FALSE; + EfiVarStoreInfo = NULL; + + // + // The first element of should be + // , which is in 'GUID=' syntax. + // + if (StrnCmp (StringPtr, L"GUID=", StrLen (L"GUID=")) != 0) { + return EFI_INVALID_PARAMETER; + } + + FirstElement = TRUE; + + // + // Allocate a fix length of memory to store Results. Reallocate memory for + // Results if this fix length is insufficient. + // + *Results = (EFI_STRING) AllocateZeroPool (MAX_STRING_LENGTH); + if (*Results == NULL) { + return EFI_OUT_OF_RESOURCES; + } + + while (*StringPtr != 0 && StrnCmp (StringPtr, L"GUID=", StrLen (L"GUID=")) == 0) { + // + // If parsing error, set Progress to the beginning of the + // or most recent & before the error. + // + if (StringPtr == Request) { + *Progress = StringPtr; + } else { + *Progress = StringPtr - 1; + } + + // + // Process each of + // + Length = CalculateConfigStringLen (StringPtr); + ConfigRequest = AllocateCopyPool ((Length + 1) * sizeof (CHAR16), StringPtr); + if (ConfigRequest == NULL) { + Status = EFI_OUT_OF_RESOURCES; + goto Done; } *(ConfigRequest + Length) = 0; @@ -730,82 +3561,172 @@ HiiConfigRoutingExtractConfig ( // Status = GetDevicePath (ConfigRequest, (UINT8 **) &DevicePath); if (EFI_ERROR (Status)) { - SafeFreePool (ConfigRequest); - return Status; + goto Done; } // // Find driver which matches the routing data. // - DriverHandle = NULL; + DriverHandle = NULL; + HiiHandle = NULL; + Database = NULL; for (Link = Private->DatabaseList.ForwardLink; Link != &Private->DatabaseList; Link = Link->ForwardLink ) { Database = CR (Link, HII_DATABASE_RECORD, DatabaseEntry, HII_DATABASE_RECORD_SIGNATURE); - CurrentDevicePath = Database->PackageList->DevicePathPkg + sizeof (EFI_HII_PACKAGE_HEADER); - if (CurrentDevicePath != NULL) { + if ((DevicePathPkg = Database->PackageList->DevicePathPkg) != NULL) { + CurrentDevicePath = DevicePathPkg + sizeof (EFI_HII_PACKAGE_HEADER); if (CompareMem ( DevicePath, CurrentDevicePath, GetDevicePathSize ((EFI_DEVICE_PATH_PROTOCOL *) CurrentDevicePath) ) == 0) { DriverHandle = Database->DriverHandle; + HiiHandle = Database->Handle; break; } } } + + // + // Try to find driver handle by device path. + // + if (DriverHandle == NULL) { + TempDevicePath = DevicePath; + Status = gBS->LocateDevicePath ( + &gEfiDevicePathProtocolGuid, + &TempDevicePath, + &DriverHandle + ); + if (EFI_ERROR (Status) || (DriverHandle == NULL)) { + // + // Routing data does not match any known driver. + // Set Progress to the 'G' in "GUID" of the routing header. + // + *Progress = StringPtr; + Status = EFI_NOT_FOUND; + goto Done; + } + } - SafeFreePool (DevicePath); + // + // Validate ConfigRequest String. + // + ErrorPtr = ConfigRequestValidate(ConfigRequest); + if (ErrorPtr != NULL) { + *Progress = StrStr (StringPtr, ErrorPtr); + Status = EFI_INVALID_PARAMETER; + goto Done; + } - if (DriverHandle == NULL) { + // + // Check whether ConfigRequest contains request string. + // + IfrDataParsedFlag = FALSE; + if ((HiiHandle != NULL) && !GetElementsFromRequest(ConfigRequest)) { // - // Routing data does not match any known driver. - // Set Progress to the 'G' in "GUID" of the routing header. + // Get the full request string from IFR when HiiPackage is registered to HiiHandle // - *Progress = StringPtr; - SafeFreePool (ConfigRequest); - return EFI_NOT_FOUND; + IfrDataParsedFlag = TRUE; + Status = GetFullStringFromHiiFormPackages (Database, DevicePath, &ConfigRequest, &DefaultResults, &AccessProgress); + if (EFI_ERROR (Status)) { + // + // AccessProgress indicates the parsing progress on . + // Map it to the progress on then return it. + // + ASSERT (AccessProgress != NULL); + *Progress = StrStr (StringPtr, AccessProgress); + goto Done; + } + // + // Not any request block is found. + // + if (!GetElementsFromRequest(ConfigRequest)) { + AccessResults = AllocateCopyPool (StrSize (ConfigRequest), ConfigRequest); + goto NextConfigString; + } } // - // Call corresponding ConfigAccess protocol to extract settings + // Check whether this ConfigRequest is search from Efi varstore type storage. // - Status = gBS->HandleProtocol ( - DriverHandle, - &gEfiHiiConfigAccessProtocolGuid, - (VOID **) &ConfigAccess - ); - ASSERT_EFI_ERROR (Status); - - Status = ConfigAccess->ExtractConfig ( - ConfigAccess, - ConfigRequest, - &AccessProgress, - &AccessResults - ); + Status = GetVarStoreType(Database, ConfigRequest, &IsEfiVarStore, &EfiVarStoreInfo); + if (EFI_ERROR (Status)) { + goto Done; + } + + if (IsEfiVarStore) { + // + // Call the GetVariable function to extract settings. + // + Status = GetConfigRespFromEfiVarStore(This, EfiVarStoreInfo, ConfigRequest, &AccessResults, &AccessProgress); + FreePool (EfiVarStoreInfo); + } else { + // + // Call corresponding ConfigAccess protocol to extract settings + // + Status = gBS->HandleProtocol ( + DriverHandle, + &gEfiHiiConfigAccessProtocolGuid, + (VOID **) &ConfigAccess + ); + ASSERT_EFI_ERROR (Status); + + Status = ConfigAccess->ExtractConfig ( + ConfigAccess, + ConfigRequest, + &AccessProgress, + &AccessResults + ); + } if (EFI_ERROR (Status)) { // // AccessProgress indicates the parsing progress on . // Map it to the progress on then return it. // - RemainSize = StrSize (AccessProgress); - for (TmpPtr = StringPtr; CompareMem (TmpPtr, AccessProgress, RemainSize) != 0; TmpPtr++); - *Progress = TmpPtr; - - SafeFreePool (ConfigRequest); - return Status; + *Progress = StrStr (StringPtr, AccessProgress); + goto Done; } // - // Attach this to a + // Attach this to a . There is a '&' + // which seperates the first and the following ones. // ASSERT (*AccessProgress == 0); + + // + // Update AccessResults by getting default setting from IFR when HiiPackage is registered to HiiHandle + // + if (!IfrDataParsedFlag && HiiHandle != NULL) { + Status = GetFullStringFromHiiFormPackages (Database, DevicePath, &ConfigRequest, &DefaultResults, NULL); + ASSERT_EFI_ERROR (Status); + } + + FreePool (DevicePath); + DevicePath = NULL; + + if (DefaultResults != NULL) { + Status = MergeDefaultString (&AccessResults, DefaultResults); + ASSERT_EFI_ERROR (Status); + FreePool (DefaultResults); + DefaultResults = NULL; + } + +NextConfigString: + if (!FirstElement) { + Status = AppendToMultiString (Results, L"&"); + ASSERT_EFI_ERROR (Status); + } + Status = AppendToMultiString (Results, AccessResults); ASSERT_EFI_ERROR (Status); - SafeFreePool (AccessResults); + + FirstElement = FALSE; + + FreePool (AccessResults); AccessResults = NULL; - SafeFreePool (ConfigRequest); + FreePool (ConfigRequest); ConfigRequest = NULL; // @@ -818,14 +3739,31 @@ HiiConfigRoutingExtractConfig ( } StringPtr++; - } - return EFI_SUCCESS; -#else - return EFI_UNSUPPORTED; -#endif +Done: + if (EFI_ERROR (Status)) { + FreePool (*Results); + *Results = NULL; + } + + if (ConfigRequest != NULL) { + FreePool (ConfigRequest); + } + + if (AccessResults != NULL) { + FreePool (AccessResults); + } + + if (DefaultResults != NULL) { + FreePool (DefaultResults); + } + + if (DevicePath != NULL) { + FreePool (DevicePath); + } + return Status; } @@ -858,24 +3796,25 @@ HiiConfigRoutingExportConfig ( OUT EFI_STRING *Results ) { -#ifndef DISABLE_UNUSED_HII_PROTOCOLS - EFI_STATUS Status; - HII_DATABASE_PRIVATE_DATA *Private; - LIST_ENTRY StorageListHdr; - HII_FORMSET_STORAGE *Storage; - LIST_ENTRY *Link; - EFI_DEVICE_PATH_PROTOCOL *DevicePath; - UINTN Length; - EFI_STRING PathHdr; - UINTN PathHdrSize; - EFI_STRING ConfigRequest; - UINTN RequestSize; - EFI_STRING StringPtr; EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess; - EFI_STRING AccessProgress; EFI_STRING AccessResults; - UINTN TmpSize; + EFI_STRING Progress; + EFI_STRING StringPtr; + EFI_STRING ConfigRequest; + UINTN Index; + EFI_HANDLE *ConfigAccessHandles; + UINTN NumberConfigAccessHandles; + BOOLEAN FirstElement; + EFI_DEVICE_PATH_PROTOCOL *DevicePath; + EFI_HII_HANDLE HiiHandle; + EFI_STRING DefaultResults; + HII_DATABASE_PRIVATE_DATA *Private; + LIST_ENTRY *Link; + HII_DATABASE_RECORD *Database; + UINT8 *DevicePathPkg; + UINT8 *CurrentDevicePath; + BOOLEAN IfrDataParsedFlag; if (This == NULL || Results == NULL) { return EFI_INVALID_PARAMETER; @@ -883,13 +3822,6 @@ HiiConfigRoutingExportConfig ( Private = CONFIG_ROUTING_DATABASE_PRIVATE_DATA_FROM_THIS (This); - InitializeListHead (&StorageListHdr); - - Status = ExportAllStorage (&Private->HiiDatabase, &StorageListHdr); - if (EFI_ERROR (Status)) { - return Status; - } - // // Allocate a fix length of memory to store Results. Reallocate memory for // Results if this fix length is insufficient. @@ -899,156 +3831,138 @@ HiiConfigRoutingExportConfig ( return EFI_OUT_OF_RESOURCES; } - // - // Parsing all formset storages. - // - for (Link = StorageListHdr.ForwardLink; Link != &StorageListHdr; Link = Link->ForwardLink) { - Storage = CR (Link, HII_FORMSET_STORAGE, Entry, HII_FORMSET_STORAGE_SIGNATURE); - // - // Find the corresponding device path instance - // + NumberConfigAccessHandles = 0; + Status = gBS->LocateHandleBuffer ( + ByProtocol, + &gEfiHiiConfigAccessProtocolGuid, + NULL, + &NumberConfigAccessHandles, + &ConfigAccessHandles + ); + if (EFI_ERROR (Status)) { + return Status; + } + + FirstElement = TRUE; + + for (Index = 0; Index < NumberConfigAccessHandles; Index++) { Status = gBS->HandleProtocol ( - Storage->DriverHandle, - &gEfiDevicePathProtocolGuid, - (VOID **) &DevicePath + ConfigAccessHandles[Index], + &gEfiHiiConfigAccessProtocolGuid, + (VOID **) &ConfigAccess ); if (EFI_ERROR (Status)) { - return Status; - } - // - // Convert the device path binary to hex UNICODE %02x bytes in the same order - // as the device path resides in RAM memory. - // - Length = GetDevicePathSize (DevicePath); - PathHdrSize = (Length * 2 + 1) * sizeof (CHAR16); - PathHdr = (EFI_STRING) AllocateZeroPool (PathHdrSize); - if (PathHdr == NULL) { - return EFI_OUT_OF_RESOURCES; + continue; } - Status = BufferToHexString (PathHdr, (UINT8 *) DevicePath, Length); - ASSERT_EFI_ERROR (Status); // - // Generate a with one and zero . - // It means extract all possible configurations from this specific driver. + // Get DevicePath and HiiHandle for this ConfigAccess driver handle // - TmpSize = StrLen (L"GUID=&NAME=&PATH="); - RequestSize = (TmpSize + 32 + StrLen (Storage->Name) * 4) - * sizeof (CHAR16) + PathHdrSize; - ConfigRequest = (EFI_STRING) AllocateZeroPool (RequestSize); - if (ConfigRequest == NULL) { - SafeFreePool (PathHdr); - return EFI_OUT_OF_RESOURCES; + IfrDataParsedFlag = FALSE; + Progress = NULL; + HiiHandle = NULL; + DefaultResults = NULL; + Database = NULL; + ConfigRequest = NULL; + DevicePath = DevicePathFromHandle (ConfigAccessHandles[Index]); + if (DevicePath != NULL) { + for (Link = Private->DatabaseList.ForwardLink; + Link != &Private->DatabaseList; + 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 ( + DevicePath, + CurrentDevicePath, + GetDevicePathSize ((EFI_DEVICE_PATH_PROTOCOL *) CurrentDevicePath) + ) == 0) { + HiiHandle = Database->Handle; + break; + } + } + } } - // - // Add - // ::= 'GUID=' - // Convert in the same order as it resides in RAM memory. - // - StringPtr = ConfigRequest; - StrnCpy (StringPtr, L"GUID=", StrLen (L"GUID=")); - StringPtr += StrLen (L"GUID="); - - Status = BufferToHexString (StringPtr, (UINT8 *) (&Storage->Guid), sizeof (EFI_GUID)); - ASSERT_EFI_ERROR (Status); - - StringPtr += 32; - ASSERT (*StringPtr == 0); - *StringPtr = L'&'; - StringPtr++; - - // - // Add - // ::= 'NAME=' - // - StrnCpy (StringPtr, L"NAME=", StrLen (L"NAME=")); - StringPtr += StrLen (L"NAME="); - - Length = (StrLen (Storage->Name) * 4 + 1) * sizeof (CHAR16); - Status = UnicodeToConfigString (StringPtr, &Length, Storage->Name); - ASSERT_EFI_ERROR (Status); - StringPtr += StrLen (Storage->Name) * 4; - - *StringPtr = L'&'; - StringPtr++; - - // - // Add - // ::= '' - // - StrnCpy (StringPtr, L"PATH=", StrLen (L"PATH=")); - StringPtr += StrLen (L"PATH="); - StrCpy (StringPtr, PathHdr); - - SafeFreePool (PathHdr); - PathHdr = NULL; - - // - // BUGBUG: The "Implementation note" of ExportConfig() in UEFI spec makes the - // code somewhat complex. Let's TBD here whether a or a - // is required to call ConfigAccess.ExtractConfig(). - // - // Here we use to call ConfigAccess instance. It requires ConfigAccess - // to handle such kind of "ConfigRequest". It is not supported till now. - // - // Either the ExportConfig will be updated or the ConfigAccess.ExtractConfig() - // will be updated as soon as the decision is made. - - // - // Route the request to corresponding ConfigAccess protocol to extract settings. - // - Status = gBS->HandleProtocol ( - Storage->DriverHandle, - &gEfiHiiConfigAccessProtocolGuid, - (VOID **) &ConfigAccess - ); - ASSERT_EFI_ERROR (Status); - Status = ConfigAccess->ExtractConfig ( ConfigAccess, - ConfigRequest, - &AccessProgress, + NULL, + &Progress, &AccessResults ); if (EFI_ERROR (Status)) { - SafeFreePool (ConfigRequest); - SafeFreePool (AccessResults); - return EFI_INVALID_PARAMETER; + // + // 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; + } + } } - // - // Attach this to a - // - ASSERT (*AccessProgress == 0); - Status = AppendToMultiString (Results, AccessResults); - ASSERT_EFI_ERROR (Status); - SafeFreePool (AccessResults); - AccessResults = NULL; - SafeFreePool (ConfigRequest); - ConfigRequest = NULL; - - } - - // - // Free the exported storage resource - // - while (!IsListEmpty (&StorageListHdr)) { - Storage = CR ( - StorageListHdr.ForwardLink, - HII_FORMSET_STORAGE, - Entry, - HII_FORMSET_STORAGE_SIGNATURE - ); - RemoveEntryList (&Storage->Entry); - SafeFreePool (Storage->Name); - SafeFreePool (Storage); + 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 (GetElementsFromRequest (AccessResults)) { + Status = GetFullStringFromHiiFormPackages (Database, DevicePath, &AccessResults, &DefaultResults, NULL); + ASSERT_EFI_ERROR (Status); + } + if (StringPtr != NULL) { + *StringPtr = L'&'; + } + } + // + // Merge the default sting from IFR code into the got setting from driver. + // + if (DefaultResults != NULL) { + Status = MergeDefaultString (&AccessResults, DefaultResults); + ASSERT_EFI_ERROR (Status); + FreePool (DefaultResults); + DefaultResults = NULL; + } + + // + // Attach this to a . There is a '&' + // which seperates the first and the following ones. + // + if (!FirstElement) { + Status = AppendToMultiString (Results, L"&"); + ASSERT_EFI_ERROR (Status); + } + + Status = AppendToMultiString (Results, AccessResults); + ASSERT_EFI_ERROR (Status); + + FirstElement = FALSE; + + FreePool (AccessResults); + AccessResults = NULL; + } } + FreePool (ConfigAccessHandles); - return EFI_SUCCESS; -#else - return EFI_UNSUPPORTED; -#endif + return EFI_SUCCESS; } @@ -1085,22 +3999,22 @@ HiiConfigRoutingRouteConfig ( OUT EFI_STRING *Progress ) { -#ifndef DISABLE_UNUSED_HII_PROTOCOLS - HII_DATABASE_PRIVATE_DATA *Private; EFI_STRING StringPtr; EFI_STRING ConfigResp; UINTN Length; EFI_STATUS Status; EFI_DEVICE_PATH_PROTOCOL *DevicePath; + EFI_DEVICE_PATH_PROTOCOL *TempDevicePath; LIST_ENTRY *Link; HII_DATABASE_RECORD *Database; + UINT8 *DevicePathPkg; UINT8 *CurrentDevicePath; EFI_HANDLE DriverHandle; EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess; EFI_STRING AccessProgress; - UINTN RemainSize; - EFI_STRING TmpPtr; + EFI_IFR_VARSTORE_EFI *EfiVarStoreInfo; + BOOLEAN IsEfiVarstore; if (This == NULL || Progress == NULL) { return EFI_INVALID_PARAMETER; @@ -1114,6 +4028,10 @@ HiiConfigRoutingRouteConfig ( Private = CONFIG_ROUTING_DATABASE_PRIVATE_DATA_FROM_THIS (This); StringPtr = Configuration; *Progress = StringPtr; + Database = NULL; + AccessProgress = NULL; + EfiVarStoreInfo= NULL; + IsEfiVarstore = FALSE; // // The first element of should be @@ -1152,21 +4070,22 @@ HiiConfigRoutingRouteConfig ( // Status = GetDevicePath (ConfigResp, (UINT8 **) &DevicePath); if (EFI_ERROR (Status)) { - SafeFreePool (ConfigResp); + FreePool (ConfigResp); return Status; } // // Find driver which matches the routing data. // - DriverHandle = NULL; + DriverHandle = NULL; for (Link = Private->DatabaseList.ForwardLink; Link != &Private->DatabaseList; Link = Link->ForwardLink ) { Database = CR (Link, HII_DATABASE_RECORD, DatabaseEntry, HII_DATABASE_RECORD_SIGNATURE); - CurrentDevicePath = Database->PackageList->DevicePathPkg + sizeof (EFI_HII_PACKAGE_HEADER); - if (CurrentDevicePath != NULL) { + + if ((DevicePathPkg = Database->PackageList->DevicePathPkg) != NULL) { + CurrentDevicePath = DevicePathPkg + sizeof (EFI_HII_PACKAGE_HEADER); if (CompareMem ( DevicePath, CurrentDevicePath, @@ -1178,48 +4097,73 @@ HiiConfigRoutingRouteConfig ( } } - SafeFreePool (DevicePath); - + // + // Try to find driver handle by device path. + // if (DriverHandle == NULL) { - // - // Routing data does not match any known driver. - // Set Progress to the 'G' in "GUID" of the routing header. - // - *Progress = StringPtr; - SafeFreePool (ConfigResp); - return EFI_NOT_FOUND; + TempDevicePath = DevicePath; + Status = gBS->LocateDevicePath ( + &gEfiDevicePathProtocolGuid, + &TempDevicePath, + &DriverHandle + ); + if (EFI_ERROR (Status) || (DriverHandle == NULL)) { + // + // Routing data does not match any known driver. + // Set Progress to the 'G' in "GUID" of the routing header. + // + FreePool (DevicePath); + *Progress = StringPtr; + FreePool (ConfigResp); + return EFI_NOT_FOUND; + } } + FreePool (DevicePath); + // - // Call corresponding ConfigAccess protocol to route settings + // Check whether this ConfigRequest is search from Efi varstore type storage. // - Status = gBS->HandleProtocol ( - DriverHandle, - &gEfiHiiConfigAccessProtocolGuid, - (VOID **) &ConfigAccess - ); - ASSERT_EFI_ERROR (Status); - - Status = ConfigAccess->RouteConfig ( - ConfigAccess, - ConfigResp, - &AccessProgress - ); + Status = GetVarStoreType(Database, ConfigResp, &IsEfiVarstore, &EfiVarStoreInfo); + if (EFI_ERROR (Status)) { + return Status; + } + if (IsEfiVarstore) { + // + // Call the SetVariable function to route settings. + // + Status = RouteConfigRespForEfiVarStore(This, EfiVarStoreInfo, ConfigResp, &AccessProgress); + FreePool (EfiVarStoreInfo); + } else { + // + // Call corresponding ConfigAccess protocol to route settings + // + Status = gBS->HandleProtocol ( + DriverHandle, + &gEfiHiiConfigAccessProtocolGuid, + (VOID **) &ConfigAccess + ); + ASSERT_EFI_ERROR (Status); + + Status = ConfigAccess->RouteConfig ( + ConfigAccess, + ConfigResp, + &AccessProgress + ); + } if (EFI_ERROR (Status)) { // // AccessProgress indicates the parsing progress on . // Map it to the progress on then return it. // - RemainSize = StrSize (AccessProgress); - for (TmpPtr = StringPtr; CompareMem (TmpPtr, AccessProgress, RemainSize) != 0; TmpPtr++); - *Progress = TmpPtr; + *Progress = StrStr (StringPtr, AccessProgress); - SafeFreePool (ConfigResp); + FreePool (ConfigResp); return Status; } - SafeFreePool (ConfigResp); + FreePool (ConfigResp); ConfigResp = NULL; // @@ -1236,9 +4180,6 @@ HiiConfigRoutingRouteConfig ( } return EFI_SUCCESS; -#else - return EFI_UNSUPPORTED; -#endif } @@ -1255,7 +4196,7 @@ HiiConfigRoutingRouteConfig ( @param BlockSize Length in bytes of Block. @param Config Filled-in configuration string. String allocated by the function. Returned only if call is - successful. + successful. It is string format. @param Progress A pointer to a string filled in with the offset of the most recent & before the first failing name/value pair (or the beginning of the string if @@ -1299,6 +4240,10 @@ HiiBlockToConfig ( UINT8 *Value; EFI_STRING ValueStr; EFI_STRING ConfigElement; + UINTN Index; + UINT8 *TemBuffer; + CHAR16 *TemString; + CHAR16 TemChar; if (This == NULL || Progress == NULL || Config == NULL) { return EFI_INVALID_PARAMETER; @@ -1339,17 +4284,35 @@ HiiBlockToConfig ( StringPtr++; } if (*StringPtr == 0) { - *Progress = StringPtr; + *Progress = StringPtr - 1; Status = EFI_INVALID_PARAMETER; goto Exit; } - while (*StringPtr++ != L'&'); + + while (*StringPtr != L'&' && *StringPtr != 0) { + StringPtr++; + } + if (*StringPtr == 0) { + *Progress = StringPtr; + Status = EFI_SUCCESS; + + AppendToMultiString(Config, ConfigRequest); + HiiToLower (*Config); + + goto Exit; + } + // + // Skip '&' + // + StringPtr++; // // Copy and an additional '&' to // - Length = StringPtr - ConfigRequest; - CopyMem (*Config, ConfigRequest, Length * sizeof (CHAR16)); + TemChar = *StringPtr; + *StringPtr = '\0'; + AppendToMultiString(Config, ConfigRequest); + *StringPtr = TemChar; // // Parse each if exists @@ -1367,7 +4330,7 @@ HiiBlockToConfig ( // Get Offset // Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length); - if (Status == EFI_OUT_OF_RESOURCES) { + if (EFI_ERROR (Status)) { *Progress = ConfigRequest; goto Exit; } @@ -1377,7 +4340,7 @@ HiiBlockToConfig ( TmpBuffer, (((Length + 1) / 2) < sizeof (UINTN)) ? ((Length + 1) / 2) : sizeof (UINTN) ); - SafeFreePool (TmpBuffer); + FreePool (TmpBuffer); StringPtr += Length; if (StrnCmp (StringPtr, L"&WIDTH=", StrLen (L"&WIDTH=")) != 0) { @@ -1391,7 +4354,7 @@ HiiBlockToConfig ( // Get Width // Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length); - if (Status == EFI_OUT_OF_RESOURCES) { + if (EFI_ERROR (Status)) { *Progress = ConfigRequest; goto Exit; } @@ -1401,7 +4364,7 @@ HiiBlockToConfig ( TmpBuffer, (((Length + 1) / 2) < sizeof (UINTN)) ? ((Length + 1) / 2) : sizeof (UINTN) ); - SafeFreePool (TmpBuffer); + FreePool (TmpBuffer); StringPtr += Length; if (*StringPtr != 0 && *StringPtr != L'&') { @@ -1435,12 +4398,14 @@ HiiBlockToConfig ( Status = EFI_OUT_OF_RESOURCES; goto Exit; } + + TemString = ValueStr; + TemBuffer = Value + Width - 1; + for (Index = 0; Index < Width; Index ++, TemBuffer --) { + TemString += UnicodeValueToString (TemString, PREFIX_ZERO | RADIX_HEX, *TemBuffer, 2); + } - Status = BufToHexString (ValueStr, &Length, Value, Width); - ASSERT_EFI_ERROR (Status); - ToLower (ValueStr); - - SafeFreePool (Value); + FreePool (Value); Value = NULL; // @@ -1462,8 +4427,8 @@ HiiBlockToConfig ( AppendToMultiString (Config, ConfigElement); - SafeFreePool (ConfigElement); - SafeFreePool (ValueStr); + FreePool (ConfigElement); + FreePool (ValueStr); ConfigElement = NULL; ValueStr = NULL; @@ -1483,16 +4448,25 @@ HiiBlockToConfig ( Status = EFI_INVALID_PARAMETER; goto Exit; } - + + HiiToLower (*Config); *Progress = StringPtr; return EFI_SUCCESS; Exit: - - SafeFreePool (*Config); - SafeFreePool (ValueStr); - SafeFreePool (Value); - SafeFreePool (ConfigElement); + if (*Config != NULL) { + FreePool (*Config); + *Config = NULL; + } + if (ValueStr != NULL) { + FreePool (ValueStr); + } + if (Value != NULL) { + FreePool (Value); + } + if (ConfigElement != NULL) { + FreePool (ConfigElement); + } return Status; @@ -1538,6 +4512,10 @@ Exit: value pair. Block is left updated and Progress points at the '&' preceding the first non-. + @retval EFI_DEVICE_ERROR Block not large enough. Progress undefined. + @retval EFI_NOT_FOUND Target for the specified routing data was not found. + Progress points to the "G" in "GUID" of the errant + routing data. **/ EFI_STATUS @@ -1559,13 +4537,14 @@ HiiConfigToBlock ( UINTN Width; UINT8 *Value; UINTN BufferSize; + UINTN MaxBlockSize; if (This == NULL || BlockSize == NULL || Progress == NULL) { return EFI_INVALID_PARAMETER; } - if (ConfigResp == NULL || Block == NULL) { - *Progress = ConfigResp; + *Progress = ConfigResp; + if (ConfigResp == NULL) { return EFI_INVALID_PARAMETER; } @@ -1575,6 +4554,7 @@ HiiConfigToBlock ( StringPtr = ConfigResp; BufferSize = *BlockSize; Value = NULL; + MaxBlockSize = 0; // // Jump @@ -1592,20 +4572,28 @@ HiiConfigToBlock ( Status = EFI_INVALID_PARAMETER; goto Exit; } - while (*StringPtr++ != L'&'); + + while (*StringPtr != L'&' && *StringPtr != 0) { + StringPtr++; + } + if (*StringPtr == 0) { + *Progress = StringPtr; + Status = EFI_INVALID_PARAMETER; + goto Exit; + } // // Parse each if exists - // Only format is supported by this help function. + // Only '&' format is supported by this help function. // ::= 'OFFSET='&'WIDTH='&'VALUE=' // - while (*StringPtr != 0 && StrnCmp (StringPtr, L"OFFSET=", StrLen (L"OFFSET=")) == 0) { - StringPtr += StrLen (L"OFFSET="); + while (*StringPtr != 0 && StrnCmp (StringPtr, L"&OFFSET=", StrLen (L"&OFFSET=")) == 0) { + StringPtr += StrLen (L"&OFFSET="); // // Get Offset // Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length); - if (Status == EFI_OUT_OF_RESOURCES) { + if (EFI_ERROR (Status)) { *Progress = ConfigResp; goto Exit; } @@ -1615,11 +4603,11 @@ HiiConfigToBlock ( TmpBuffer, (((Length + 1) / 2) < sizeof (UINTN)) ? ((Length + 1) / 2) : sizeof (UINTN) ); - SafeFreePool (TmpBuffer); + FreePool (TmpBuffer); StringPtr += Length; if (StrnCmp (StringPtr, L"&WIDTH=", StrLen (L"&WIDTH=")) != 0) { - *Progress = StringPtr - Length - StrLen (L"OFFSET=") - 1; + *Progress = StringPtr - Length - StrLen (L"&OFFSET="); Status = EFI_INVALID_PARAMETER; goto Exit; } @@ -1629,7 +4617,7 @@ HiiConfigToBlock ( // Get Width // Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length); - if (Status == EFI_OUT_OF_RESOURCES) { + if (EFI_ERROR (Status)) { *Progress = ConfigResp; goto Exit; } @@ -1639,7 +4627,7 @@ HiiConfigToBlock ( TmpBuffer, (((Length + 1) / 2) < sizeof (UINTN)) ? ((Length + 1) / 2) : sizeof (UINTN) ); - SafeFreePool (TmpBuffer); + FreePool (TmpBuffer); StringPtr += Length; if (StrnCmp (StringPtr, L"&VALUE=", StrLen (L"&VALUE=")) != 0) { @@ -1653,14 +4641,14 @@ HiiConfigToBlock ( // Get Value // Status = GetValueOfNumber (StringPtr, &Value, &Length); - if (Status == EFI_OUT_OF_RESOURCES) { + if (EFI_ERROR (Status)) { *Progress = ConfigResp; goto Exit; } StringPtr += Length; if (*StringPtr != 0 && *StringPtr != L'&') { - *Progress = StringPtr - Length - 7; + *Progress = StringPtr - Length - StrLen (L"&VALUE="); Status = EFI_INVALID_PARAMETER; goto Exit; } @@ -1668,39 +4656,55 @@ HiiConfigToBlock ( // // Update the Block with configuration info // - - if (Offset + Width > BufferSize) { - return EFI_DEVICE_ERROR; + if ((Block != NULL) && (Offset + Width <= BufferSize)) { + CopyMem (Block + Offset, Value, Width); + } + if (Offset + Width > MaxBlockSize) { + MaxBlockSize = Offset + Width; } - CopyMem (Block + Offset, Value, Width); - *BlockSize = Offset + Width - 1; - - SafeFreePool (Value); + FreePool (Value); Value = NULL; // - // If '\0', parsing is finished. Otherwise skip '&' to continue + // If '\0', parsing is finished. // if (*StringPtr == 0) { break; } - - StringPtr++; } - + + // + // The input string is not ConfigResp format, return error. + // if (*StringPtr != 0) { - *Progress = StringPtr - 1; + *Progress = StringPtr; Status = EFI_INVALID_PARAMETER; goto Exit; } - *Progress = StringPtr; + *Progress = StringPtr + StrLen (StringPtr); + *BlockSize = MaxBlockSize - 1; + + if (MaxBlockSize > BufferSize) { + *BlockSize = MaxBlockSize; + if (Block != NULL) { + return EFI_DEVICE_ERROR; + } + } + + if (Block == NULL) { + *Progress = ConfigResp; + return EFI_INVALID_PARAMETER; + } + return EFI_SUCCESS; Exit: - SafeFreePool (Value); + if (Value != NULL) { + FreePool (Value); + } return Status; } @@ -1734,7 +4738,7 @@ Exit: @param AltCfgResp A pointer to a buffer which will be allocated by the function which contains the retrieved string as requested. This buffer is only allocated if - the call was successful. + the call was successful. It is format. @retval EFI_SUCCESS The request succeeded. The requested data was extracted and placed in the newly allocated @@ -1757,22 +4761,31 @@ HiiGetAltCfg ( OUT EFI_STRING *AltCfgResp ) { -#ifndef DISABLE_UNUSED_HII_PROTOCOLS - EFI_STATUS Status; EFI_STRING StringPtr; - EFI_STRING HdrStart = NULL; - EFI_STRING HdrEnd = NULL; + EFI_STRING HdrStart; + EFI_STRING HdrEnd; EFI_STRING TmpPtr; UINTN Length; - EFI_STRING GuidStr = NULL; - EFI_STRING NameStr = NULL; - EFI_STRING PathStr = NULL; - EFI_STRING AltIdStr = NULL; - EFI_STRING Result = NULL; - BOOLEAN GuidFlag = FALSE; - BOOLEAN NameFlag = FALSE; - BOOLEAN PathFlag = FALSE; + EFI_STRING GuidStr; + EFI_STRING NameStr; + EFI_STRING PathStr; + EFI_STRING AltIdStr; + EFI_STRING Result; + BOOLEAN GuidFlag; + BOOLEAN NameFlag; + BOOLEAN PathFlag; + + HdrStart = NULL; + HdrEnd = NULL; + GuidStr = NULL; + NameStr = NULL; + PathStr = NULL; + AltIdStr = NULL; + Result = NULL; + GuidFlag = FALSE; + NameFlag = FALSE; + PathFlag = FALSE; if (This == NULL || Configuration == NULL || AltCfgResp == NULL) { return EFI_INVALID_PARAMETER; @@ -1872,9 +4885,10 @@ HiiGetAltCfg ( Status = EFI_NOT_FOUND; goto Exit; } + StringPtr ++; } PathFlag = TRUE; - HdrEnd = ++StringPtr; + HdrEnd = StringPtr; } } @@ -1897,7 +4911,11 @@ HiiGetAltCfg ( NameFlag = FALSE; PathFlag = FALSE; } else { - Status = OutputConfigBody (StringPtr, &Result); + // + // Skip AltIdStr and & + // + StringPtr = StringPtr + StrLen (AltIdStr); + Status = OutputConfigBody (StringPtr, &Result); goto Exit; } } @@ -1906,12 +4924,12 @@ HiiGetAltCfg ( Status = EFI_NOT_FOUND; Exit: - - if (!EFI_ERROR (Status)) { + *AltCfgResp = NULL; + if (!EFI_ERROR (Status) && (Result != NULL)) { // // Copy the and // - Length = HdrEnd - HdrStart + StrLen (Result); + Length = HdrEnd - HdrStart + StrLen (Result) + 1; *AltCfgResp = AllocateZeroPool (Length * sizeof (CHAR16)); if (*AltCfgResp == NULL) { Status = EFI_OUT_OF_RESOURCES; @@ -1922,18 +4940,24 @@ Exit: } } - SafeFreePool (GuidStr); - SafeFreePool (NameStr); - SafeFreePool (PathStr); - SafeFreePool (AltIdStr); - SafeFreePool (Result); + if (GuidStr != NULL) { + FreePool (GuidStr); + } + if (NameStr != NULL) { + FreePool (NameStr); + } + if (PathStr != NULL) { + FreePool (PathStr); + } + if (AltIdStr != NULL) { + FreePool (AltIdStr); + } + if (Result != NULL) { + FreePool (Result); + } return Status; -#else - return EFI_UNSUPPORTED; -#endif - }