/** @file\r
Main file for DmpStore shell Debug1 function.\r
\r
- Copyright (c) 2005 - 2012, Intel Corporation. All rights reserved.<BR>\r
+ Copyright (c) 2005 - 2014, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
\r
#include "UefiShellDebug1CommandsLib.h"\r
\r
-\r
-#define INIT_NAME_BUFFER_SIZE 128\r
-#define INIT_DATA_BUFFER_SIZE 1024\r
-#define INIT_ATTS_BUFFER_SIZE 64\r
-\r
/**\r
Base on the input attribute value to return the attribute string.\r
\r
@param[in] Atts The input attribute value\r
- @param[in,out] RetString The buffer to save the attribute string.\r
\r
@retval The attribute string info.\r
**/\r
-CONST CHAR16 *\r
+CHAR16 *\r
EFIAPI\r
GetAttrType (\r
- IN CONST UINT32 Atts,\r
- IN OUT CHAR16 *RetString\r
+ IN CONST UINT32 Atts\r
)\r
{\r
- StrCpy(RetString, L"");\r
+ UINTN BufLen;\r
+ CHAR16 *RetString;\r
\r
+ BufLen = 0;\r
+ RetString = NULL;\r
+ \r
if ((Atts & EFI_VARIABLE_NON_VOLATILE) != 0) {\r
- StrCat(RetString, L"+NV");\r
+ StrnCatGrow (&RetString, &BufLen, L"+NV", 0);\r
}\r
if ((Atts & EFI_VARIABLE_RUNTIME_ACCESS) != 0) {\r
- StrCat(RetString, L"+RS+BS");\r
+ StrnCatGrow (&RetString, &BufLen, L"+RS+BS", 0);\r
} else if ((Atts & EFI_VARIABLE_BOOTSERVICE_ACCESS) != 0) {\r
- StrCat(RetString, L"+BS");\r
+ StrnCatGrow (&RetString, &BufLen, L"+BS", 0);\r
}\r
if ((Atts & EFI_VARIABLE_HARDWARE_ERROR_RECORD) != 0) {\r
- StrCat(RetString, L"+HR");\r
+ StrnCatGrow (&RetString, &BufLen, L"+HR", 0);\r
}\r
if ((Atts & EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS) != 0) {\r
- StrCat(RetString, L"+AW");\r
+ StrnCatGrow (&RetString, &BufLen, L"+AW", 0);\r
}\r
if ((Atts & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r
- StrCat(RetString, L"+AT");\r
+ StrnCatGrow (&RetString, &BufLen, L"+AT", 0);\r
}\r
\r
- if (RetString[0] == L'+') {\r
- return (RetString+1);\r
+ if (RetString == NULL) {\r
+ RetString = StrnCatGrow(&RetString, &BufLen, L"Invalid", 0);\r
}\r
- if (RetString[0] == CHAR_NULL) {\r
- StrCpy(RetString, L"invalid");\r
- return (RetString);\r
+\r
+ if ((RetString != NULL) && (RetString[0] == L'+')) {\r
+ CopyMem(RetString, RetString + 1, StrSize(RetString + 1));\r
}\r
- return (RetString);\r
+\r
+ return RetString;\r
}\r
\r
/**\r
- Function to display or delete variables.\r
+ Recursive function to display or delete variables.\r
+\r
+ This function will call itself to create a stack-based list of allt he variables to process, \r
+ then fromt he last to the first, they will do either printing or deleting.\r
+\r
+ This is necessary since once a delete happens GetNextVariableName() will work.\r
\r
@param[in] VariableName The variable name of the EFI variable (or NULL).\r
@param[in] Guid The GUID of the variable set (or NULL).\r
@param[in] Delete TRUE to delete, FALSE otherwise.\r
+ @param[in] PrevName The previous variable name from GetNextVariableName. L"" to start.\r
+ @param[in] FoundVarGuid The previous GUID from GetNextVariableName. ignored at start.\r
+ @param[in] FoundOne If a VariableName or Guid was specified and one was printed or\r
+ deleted, then set this to TRUE, otherwise ignored.\r
\r
@retval SHELL_SUCCESS The operation was successful.\r
@retval SHELL_OUT_OF_RESOURCES A memorty allocation failed.\r
**/\r
SHELL_STATUS\r
EFIAPI\r
-ProcessVariables (\r
+CascadeProcessVariables (\r
IN CONST CHAR16 *VariableName OPTIONAL,\r
IN CONST EFI_GUID *Guid OPTIONAL,\r
- IN BOOLEAN Delete\r
+ IN BOOLEAN Delete,\r
+ IN CONST CHAR16 * CONST PrevName,\r
+ IN EFI_GUID FoundVarGuid,\r
+ IN BOOLEAN *FoundOne\r
)\r
{\r
EFI_STATUS Status;\r
CHAR16 *FoundVarName;\r
- EFI_GUID FoundVarGuid;\r
UINT8 *DataBuffer;\r
UINTN DataSize;\r
UINT32 Atts;\r
SHELL_STATUS ShellStatus;\r
- BOOLEAN Found;\r
- UINTN NameBufferSize; // Allocated Name buffer size\r
UINTN NameSize;\r
- CHAR16 *OldName;\r
- UINTN OldNameBufferSize;\r
- UINTN DataBufferSize; // Allocated data buffer size\r
- CHAR16 RetString[INIT_ATTS_BUFFER_SIZE];\r
+ CHAR16 *RetString;\r
\r
- Found = FALSE;\r
- ShellStatus = SHELL_SUCCESS;\r
- Status = EFI_SUCCESS;\r
-\r
- NameBufferSize = INIT_NAME_BUFFER_SIZE;\r
- DataBufferSize = INIT_DATA_BUFFER_SIZE;\r
- FoundVarName = AllocateZeroPool (NameBufferSize);\r
- if (FoundVarName == NULL) {\r
- return (SHELL_OUT_OF_RESOURCES);\r
- } \r
- DataBuffer = AllocatePool (DataBufferSize);\r
- if (DataBuffer == NULL) {\r
- FreePool (FoundVarName);\r
- return (SHELL_OUT_OF_RESOURCES);\r
+ if (ShellGetExecutionBreakFlag()) {\r
+ return (SHELL_ABORTED);\r
}\r
\r
- for (;;){\r
- if (ShellGetExecutionBreakFlag()) {\r
- ShellStatus = SHELL_ABORTED;\r
- break;\r
- }\r
+ NameSize = 0;\r
+ FoundVarName = NULL;\r
\r
- NameSize = NameBufferSize;\r
- Status = gRT->GetNextVariableName (&NameSize, FoundVarName, &FoundVarGuid);\r
- if (Status == EFI_BUFFER_TOO_SMALL) {\r
- OldName = FoundVarName;\r
- OldNameBufferSize = NameBufferSize;\r
- //\r
- // Expand at least twice to avoid reallocate many times\r
- //\r
- NameBufferSize = NameSize > NameBufferSize * 2 ? NameSize : NameBufferSize * 2;\r
- FoundVarName = AllocateZeroPool (NameBufferSize);\r
- if (FoundVarName == NULL) {\r
- Status = EFI_OUT_OF_RESOURCES;\r
- FreePool (OldName);\r
- break;\r
+ if (PrevName!=NULL) {\r
+ StrnCatGrow(&FoundVarName, &NameSize, PrevName, 0);\r
+ } else {\r
+ FoundVarName = AllocateZeroPool(sizeof(CHAR16));\r
+ }\r
+\r
+ Status = gRT->GetNextVariableName (&NameSize, FoundVarName, &FoundVarGuid);\r
+ if (Status == EFI_BUFFER_TOO_SMALL) {\r
+ SHELL_FREE_NON_NULL(FoundVarName);\r
+ FoundVarName = AllocateZeroPool (NameSize);\r
+ if (FoundVarName != NULL) {\r
+ if (PrevName != NULL) {\r
+ StrCpy(FoundVarName, PrevName);\r
}\r
- //\r
- // Preserve the original content to get correct iteration for GetNextVariableName() call\r
- //\r
- CopyMem (FoundVarName, OldName, OldNameBufferSize);\r
- FreePool (OldName);\r
- NameSize = NameBufferSize;\r
+\r
Status = gRT->GetNextVariableName (&NameSize, FoundVarName, &FoundVarGuid);\r
+ } else {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
}\r
- if (Status == EFI_NOT_FOUND) {\r
- break;\r
- }\r
- ASSERT_EFI_ERROR(Status);\r
+ }\r
+\r
+ //\r
+ // No more is fine.\r
+ //\r
+ if (Status == EFI_NOT_FOUND) {\r
+ SHELL_FREE_NON_NULL(FoundVarName);\r
+ return (SHELL_SUCCESS);\r
+ } else if (EFI_ERROR(Status)) {\r
+ SHELL_FREE_NON_NULL(FoundVarName);\r
+ return (SHELL_DEVICE_ERROR);\r
+ }\r
+\r
+ //\r
+ // Recurse to the next iteration. We know "our" variable's name.\r
+ //\r
+ ShellStatus = CascadeProcessVariables(VariableName, Guid, Delete, FoundVarName, FoundVarGuid, FoundOne);\r
\r
+ //\r
+ // No matter what happened we process our own variable\r
+ // Only continue if Guid and VariableName are each either NULL or a match\r
+ //\r
+ if ( ( VariableName == NULL \r
+ || gUnicodeCollation->MetaiMatch(gUnicodeCollation, FoundVarName, (CHAR16*)VariableName) )\r
+ && ( Guid == NULL \r
+ || CompareGuid(&FoundVarGuid, Guid) )\r
+ ) {\r
+ DataSize = 0;\r
+ DataBuffer = NULL;\r
//\r
- // Check if it matches\r
+ // do the print or delete\r
//\r
- if (VariableName != NULL) {\r
- if (!gUnicodeCollation->MetaiMatch(gUnicodeCollation, FoundVarName, (CHAR16*)VariableName)) {\r
- continue;\r
- }\r
- }\r
- if (Guid != NULL) {\r
- if (!CompareGuid(&FoundVarGuid, Guid)) {\r
- continue;\r
- }\r
- }\r
-\r
- DataSize = DataBufferSize;\r
- Status = gRT->GetVariable (FoundVarName, &FoundVarGuid, &Atts, &DataSize, DataBuffer);\r
+ *FoundOne = TRUE;\r
+ Status = gRT->GetVariable (FoundVarName, &FoundVarGuid, &Atts, &DataSize, DataBuffer);\r
if (Status == EFI_BUFFER_TOO_SMALL) {\r
- //\r
- // Expand at least twice to avoid reallocate many times\r
- //\r
- FreePool (DataBuffer);\r
- DataBufferSize = DataSize > DataBufferSize * 2 ? DataSize : DataBufferSize * 2;\r
- DataBuffer = AllocatePool (DataBufferSize);\r
+ SHELL_FREE_NON_NULL (DataBuffer);\r
+ DataBuffer = AllocatePool (DataSize);\r
if (DataBuffer == NULL) {\r
Status = EFI_OUT_OF_RESOURCES;\r
- break;\r
+ } else {\r
+ Status = gRT->GetVariable (FoundVarName, &FoundVarGuid, &Atts, &DataSize, DataBuffer);\r
}\r
- DataSize = DataBufferSize;\r
- Status = gRT->GetVariable (FoundVarName, &FoundVarGuid, &Atts, &DataSize, DataBuffer);\r
- } \r
- ASSERT_EFI_ERROR(Status);\r
-\r
- //\r
- // do the print or delete\r
- //\r
- Found = TRUE;\r
+ }\r
if (!Delete) {\r
- ShellPrintHiiEx(\r
- -1,\r
- -1,\r
- NULL,\r
- STRING_TOKEN(STR_DMPSTORE_HEADER_LINE),\r
- gShellDebug1HiiHandle,\r
- GetAttrType(Atts, RetString),\r
- &FoundVarGuid,\r
- FoundVarName,\r
- DataSize);\r
- DumpHex(2, 0, DataSize, DataBuffer);\r
+ //\r
+ // Last error check then print this variable out.\r
+ //\r
+ if (!EFI_ERROR(Status) && DataBuffer != NULL) {\r
+ RetString = GetAttrType(Atts);\r
+ ShellPrintHiiEx(\r
+ -1,\r
+ -1,\r
+ NULL,\r
+ STRING_TOKEN(STR_DMPSTORE_HEADER_LINE),\r
+ gShellDebug1HiiHandle,\r
+ RetString,\r
+ &FoundVarGuid,\r
+ FoundVarName,\r
+ DataSize);\r
+ DumpHex(2, 0, DataSize, DataBuffer);\r
+ SHELL_FREE_NON_NULL(RetString);\r
+ }\r
} else {\r
+ //\r
+ // We only need name to delete it...\r
+ //\r
ShellPrintHiiEx(\r
-1,\r
-1,\r
STRING_TOKEN(STR_DMPSTORE_DELETE_DONE),\r
gShellDebug1HiiHandle,\r
gRT->SetVariable(FoundVarName, &FoundVarGuid, Atts, 0, NULL));\r
- FoundVarName[0] = CHAR_NULL;\r
}\r
+ SHELL_FREE_NON_NULL(DataBuffer);\r
}\r
\r
- if (FoundVarName != NULL) {\r
- FreePool(FoundVarName);\r
- }\r
- if (DataBuffer != NULL) {\r
- FreePool(DataBuffer);\r
+ SHELL_FREE_NON_NULL(FoundVarName);\r
+\r
+ if (Status == EFI_DEVICE_ERROR) {\r
+ ShellStatus = SHELL_DEVICE_ERROR;\r
+ } else if (Status == EFI_SECURITY_VIOLATION) {\r
+ ShellStatus = SHELL_SECURITY_VIOLATION;\r
+ } else if (EFI_ERROR(Status)) {\r
+ ShellStatus = SHELL_NOT_READY;\r
}\r
+\r
+ return (ShellStatus);\r
+}\r
+\r
+/**\r
+ Function to display or delete variables. This will set up and call into the recursive function.\r
+\r
+ @param[in] VariableName The variable name of the EFI variable (or NULL).\r
+ @param[in] Guid The GUID of the variable set (or NULL).\r
+ @param[in] Delete TRUE to delete, FALSE otherwise.\r
+\r
+ @retval SHELL_SUCCESS The operation was successful.\r
+ @retval SHELL_OUT_OF_RESOURCES A memorty allocation failed.\r
+ @retval SHELL_ABORTED The abort message was received.\r
+ @retval SHELL_DEVICE_ERROR UEFI Variable Services returned an error.\r
+ @retval SHELL_NOT_FOUND the Name/Guid pair could not be found.\r
+**/\r
+SHELL_STATUS\r
+EFIAPI\r
+ProcessVariables (\r
+ IN CONST CHAR16 *VariableName OPTIONAL,\r
+ IN CONST EFI_GUID *Guid OPTIONAL,\r
+ IN BOOLEAN Delete\r
+ )\r
+{\r
+ SHELL_STATUS ShellStatus;\r
+ BOOLEAN Found;\r
+ EFI_GUID FoundVarGuid;\r
+\r
+ Found = FALSE;\r
+ ShellStatus = SHELL_SUCCESS;\r
+ ZeroMem (&FoundVarGuid, sizeof(EFI_GUID));\r
+\r
+ ShellStatus = CascadeProcessVariables(VariableName, Guid, Delete, NULL, FoundVarGuid, &Found);\r
+\r
if (!Found) {\r
- if (Status == EFI_OUT_OF_RESOURCES) {\r
+ if (ShellStatus == SHELL_OUT_OF_RESOURCES) {\r
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_OUT_MEM), gShellDebug1HiiHandle);\r
- return SHELL_OUT_OF_RESOURCES;\r
- }\r
-\r
- if (VariableName != NULL && Guid == NULL) {\r
+ return (ShellStatus);\r
+ } else if (VariableName != NULL && Guid == NULL) {\r
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_DMPSTORE_NO_VAR_FOUND_N), gShellDebug1HiiHandle, VariableName);\r
} else if (VariableName != NULL && Guid != NULL) {\r
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_DMPSTORE_NO_VAR_FOUND_GN), gShellDebug1HiiHandle, Guid, VariableName);\r
} \r
return (SHELL_NOT_FOUND);\r
}\r
- return (SHELL_SUCCESS);\r
+ return (ShellStatus);\r
}\r
\r
STATIC CONST SHELL_PARAM_ITEM ParamList[] = {\r
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