diff options
Diffstat (limited to 'SignedCapsulePkg/Universal/RecoveryModuleLoadPei/ParseConfigProfile.c')
| -rw-r--r-- | SignedCapsulePkg/Universal/RecoveryModuleLoadPei/ParseConfigProfile.c | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/SignedCapsulePkg/Universal/RecoveryModuleLoadPei/ParseConfigProfile.c b/SignedCapsulePkg/Universal/RecoveryModuleLoadPei/ParseConfigProfile.c new file mode 100644 index 0000000000..fef1daf081 --- /dev/null +++ b/SignedCapsulePkg/Universal/RecoveryModuleLoadPei/ParseConfigProfile.c @@ -0,0 +1,163 @@ +/** @file
+ Parse the INI configuration file and pass the information to the recovery driver
+ so that the driver can perform recovery accordingly.
+
+ Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
+
+ 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
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include "RecoveryModuleLoadPei.h"
+#include <Library/IniParsingLib.h>
+#include <Library/PrintLib.h>
+
+#define MAX_LINE_LENGTH 512
+
+/**
+ Parse Config data file to get the updated data array.
+
+ @param[in] DataBuffer Config raw file buffer.
+ @param[in] BufferSize Size of raw buffer.
+ @param[in, out] ConfigHeader Pointer to the config header.
+ @param[in, out] RecoveryArray Pointer to the config of recovery data.
+
+ @retval EFI_NOT_FOUND No config data is found.
+ @retval EFI_OUT_OF_RESOURCES No enough memory is allocated.
+ @retval EFI_SUCCESS Parse the config file successfully.
+
+**/
+EFI_STATUS
+ParseRecoveryDataFile (
+ IN UINT8 *DataBuffer,
+ IN UINTN BufferSize,
+ IN OUT CONFIG_HEADER *ConfigHeader,
+ IN OUT RECOVERY_CONFIG_DATA **RecoveryArray
+ )
+{
+ EFI_STATUS Status;
+ CHAR8 *SectionName;
+ CHAR8 Entry[MAX_LINE_LENGTH];
+ UINTN Num;
+ UINTN Index;
+ EFI_GUID FileGuid;
+ VOID *Context;
+
+ //
+ // First process the data buffer and get all sections and entries
+ //
+ Context = OpenIniFile(DataBuffer, BufferSize);
+ if (Context == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ // Now get NumOfUpdate
+ //
+ Status = GetDecimalUintnFromDataFile(
+ Context,
+ "Head",
+ "NumOfRecovery",
+ &Num
+ );
+ if (EFI_ERROR(Status) || (Num == 0)) {
+ DEBUG((DEBUG_ERROR, "NumOfRecovery not found\n"));
+ CloseIniFile(Context);
+ return EFI_NOT_FOUND;
+ }
+
+ ConfigHeader->NumOfRecovery = Num;
+ *RecoveryArray = AllocateZeroPool ((sizeof (RECOVERY_CONFIG_DATA) * Num));
+ if (*RecoveryArray == NULL) {
+ CloseIniFile(Context);
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ for (Index = 0 ; Index < ConfigHeader->NumOfRecovery; Index++) {
+ //
+ // Get the section name of each update
+ //
+ AsciiStrCpyS (Entry, MAX_LINE_LENGTH, "Recovery");
+ AsciiValueToString(Entry + AsciiStrLen(Entry), 0, Index, 0);
+ Status = GetStringFromDataFile(
+ Context,
+ "Head",
+ Entry,
+ &SectionName
+ );
+ if (EFI_ERROR(Status) || (SectionName == NULL)) {
+ DEBUG((DEBUG_ERROR, "[%d] %a not found\n", Index, Entry));
+ CloseIniFile(Context);
+ return EFI_NOT_FOUND;
+ }
+
+ //
+ // The section name of this update has been found.
+ // Now looks for all the config data of this update
+ //
+
+ //
+ // FileBuid
+ //
+ Status = GetGuidFromDataFile(
+ Context,
+ SectionName,
+ "FileGuid",
+ &FileGuid
+ );
+ if (EFI_ERROR(Status)) {
+ CloseIniFile(Context);
+ DEBUG((DEBUG_ERROR, "[%d] FileGuid not found\n", Index));
+ return EFI_NOT_FOUND;
+ }
+
+ CopyGuid(&((*RecoveryArray)[Index].FileGuid), &FileGuid);
+
+ //
+ // Length
+ //
+ Status = GetHexUintnFromDataFile(
+ Context,
+ SectionName,
+ "Length",
+ &Num
+ );
+ if (EFI_ERROR(Status)) {
+ CloseIniFile(Context);
+ DEBUG((DEBUG_ERROR, "[%d] Length not found\n", Index));
+ return EFI_NOT_FOUND;
+ }
+ (*RecoveryArray)[Index].Length = Num;
+
+ //
+ // ImageOffset
+ //
+ Status = GetHexUintnFromDataFile(
+ Context,
+ SectionName,
+ "ImageOffset",
+ &Num
+ );
+ if (EFI_ERROR(Status)) {
+ CloseIniFile(Context);
+ DEBUG((DEBUG_ERROR, "[%d] ImageOffset not found\n", Index));
+ return EFI_NOT_FOUND;
+ }
+ (*RecoveryArray)[Index].ImageOffset = Num;
+ }
+
+ //
+ // Now all configuration data got. Free those temporary buffers
+ //
+ CloseIniFile(Context);
+
+ return EFI_SUCCESS;
+}
+
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