[edk2] [PATCH v2 10/11] SignedCapsulePkg/IniParsingLib: Use AsciiStrToGuid in BaseLib

Ruiyu Ni posted 11 patches 7 years, 8 months ago
[edk2] [PATCH v2 10/11] SignedCapsulePkg/IniParsingLib: Use AsciiStrToGuid in BaseLib
Posted by Ruiyu Ni 7 years, 8 months ago
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
---
 .../Library/IniParsingLib/IniParsingLib.c          | 146 +--------------------
 1 file changed, 3 insertions(+), 143 deletions(-)

diff --git a/SignedCapsulePkg/Library/IniParsingLib/IniParsingLib.c b/SignedCapsulePkg/Library/IniParsingLib/IniParsingLib.c
index 16e1349..5763e04 100644
--- a/SignedCapsulePkg/Library/IniParsingLib/IniParsingLib.c
+++ b/SignedCapsulePkg/Library/IniParsingLib/IniParsingLib.c
@@ -862,144 +862,6 @@ UpdateGetProfileString (
 }
 
 /**
-  Converts a list of string to a specified buffer.
-
-  @param[out] Buf             The output buffer that contains the string.
-  @param[in]  BufferLength    The length of the buffer
-  @param[in]  Str             The input string that contains the hex number
-
-  @retval EFI_SUCCESS    The string was successfully converted to the buffer.
-
-**/
-EFI_STATUS
-AsciiStrToBuf (
-  OUT UINT8    *Buf,
-  IN  UINTN    BufferLength,
-  IN  CHAR8    *Str
-  )
-{
-  UINTN       Index;
-  UINTN       StrLength;
-  UINT8       Digit;
-  UINT8       Byte;
-
-  Digit = 0;
-
-  //
-  // Two hex char make up one byte
-  //
-  StrLength = BufferLength * 2;
-
-  for(Index = 0; Index < StrLength; Index++, Str++) {
-
-    if ((*Str >= 'a') && (*Str <= 'f')) {
-      Digit = (UINT8) (*Str - 'a' + 0x0A);
-    } else if ((*Str >= 'A') && (*Str <= 'F')) {
-      Digit = (UINT8) (*Str - 'A' + 0x0A);
-    } else if ((*Str >= '0') && (*Str <= '9')) {
-      Digit = (UINT8) (*Str - '0');
-    } else {
-      return EFI_INVALID_PARAMETER;
-    }
-
-    //
-    // For odd characters, write the upper nibble for each buffer byte,
-    // and for even characters, the lower nibble.
-    //
-    if ((Index & 1) == 0) {
-      Byte = (UINT8) (Digit << 4);
-    } else {
-      Byte = Buf[Index / 2];
-      Byte &= 0xF0;
-      Byte = (UINT8) (Byte | Digit);
-    }
-
-    Buf[Index / 2] = Byte;
-  }
-
-  return EFI_SUCCESS;
-}
-
-/**
-  Converts a string to GUID value.
-  Guid Format is xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
-
-  @param[in]  Str              The registry format GUID string that contains the GUID value.
-  @param[out] Guid             A pointer to the converted GUID value.
-
-  @retval EFI_SUCCESS     The GUID string was successfully converted to the GUID value.
-  @retval EFI_UNSUPPORTED The input string is not in registry format.
-  @return others          Some error occurred when converting part of GUID value.
-
-**/
-EFI_STATUS
-IniAsciiStrToGuid (
-  IN  CHAR8    *Str,
-  OUT EFI_GUID *Guid
-  )
-{
-  //
-  // Get the first UINT32 data
-  //
-  Guid->Data1 = (UINT32) AsciiStrHexToUint64  (Str);
-  while (!IS_HYPHEN (*Str) && !IS_NULL (*Str)) {
-    Str ++;
-  }
-
-  if (IS_HYPHEN (*Str)) {
-    Str++;
-  } else {
-    return EFI_UNSUPPORTED;
-  }
-
-  //
-  // Get the second UINT16 data
-  //
-  Guid->Data2 = (UINT16) AsciiStrHexToUint64  (Str);
-  while (!IS_HYPHEN (*Str) && !IS_NULL (*Str)) {
-    Str ++;
-  }
-
-  if (IS_HYPHEN (*Str)) {
-    Str++;
-  } else {
-    return EFI_UNSUPPORTED;
-  }
-
-  //
-  // Get the third UINT16 data
-  //
-  Guid->Data3 = (UINT16) AsciiStrHexToUint64  (Str);
-  while (!IS_HYPHEN (*Str) && !IS_NULL (*Str)) {
-    Str ++;
-  }
-
-  if (IS_HYPHEN (*Str)) {
-    Str++;
-  } else {
-    return EFI_UNSUPPORTED;
-  }
-
-  //
-  // Get the following 8 bytes data
-  //
-  AsciiStrToBuf (&Guid->Data4[0], 2, Str);
-  //
-  // Skip 2 byte hex chars
-  //
-  Str += 2 * 2;
-
-  if (IS_HYPHEN (*Str)) {
-    Str++;
-  } else {
-    return EFI_UNSUPPORTED;
-  }
-  AsciiStrToBuf (&Guid->Data4[2], 6, Str);
-
-  return EFI_SUCCESS;
-}
-
-/**
   Pre process config data buffer into Section entry list and Comment entry list.
 
   @param[in]      DataBuffer      Config raw file buffer.
@@ -1243,6 +1105,7 @@ GetGuidFromDataFile (
 {
   CHAR8                                 *Value;
   EFI_STATUS                            Status;
+  RETURN_STATUS                         RStatus;
 
   if (Context == NULL || SectionName == NULL || EntryName == NULL || Guid == NULL) {
     return EFI_INVALID_PARAMETER;
@@ -1258,11 +1121,8 @@ GetGuidFromDataFile (
     return EFI_NOT_FOUND;
   }
   ASSERT (Value != NULL);
-  if (!IsValidGuid(Value, AsciiStrLen(Value))) {
-    return EFI_NOT_FOUND;
-  }
-  Status = IniAsciiStrToGuid(Value, Guid);
-  if (EFI_ERROR (Status)) {
+  RStatus = AsciiStrToGuid (Value, Guid);
+  if (RETURN_ERROR (RStatus) || (Value[GUID_STRING_LENGTH] != '\0')) {
     return EFI_NOT_FOUND;
   }
   return EFI_SUCCESS;
-- 
2.9.0.windows.1

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Re: [edk2] [PATCH v2 10/11] SignedCapsulePkg/IniParsingLib: Use AsciiStrToGuid in BaseLib
Posted by Yao, Jiewen 7 years, 8 months ago
Reviewed-by: jiewen.yao@intel.com

> -----Original Message-----
> From: Ni, Ruiyu
> Sent: Monday, February 27, 2017 3:23 PM
> To: edk2-devel@lists.01.org
> Cc: Yao, Jiewen <jiewen.yao@intel.com>
> Subject: [PATCH v2 10/11] SignedCapsulePkg/IniParsingLib: Use AsciiStrToGuid in
> BaseLib
> 
> Contributed-under: TianoCore Contribution Agreement 1.0
> Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
> Cc: Jiewen Yao <jiewen.yao@intel.com>
> ---
>  .../Library/IniParsingLib/IniParsingLib.c          | 146 +--------------------
>  1 file changed, 3 insertions(+), 143 deletions(-)
> 
> diff --git a/SignedCapsulePkg/Library/IniParsingLib/IniParsingLib.c
> b/SignedCapsulePkg/Library/IniParsingLib/IniParsingLib.c
> index 16e1349..5763e04 100644
> --- a/SignedCapsulePkg/Library/IniParsingLib/IniParsingLib.c
> +++ b/SignedCapsulePkg/Library/IniParsingLib/IniParsingLib.c
> @@ -862,144 +862,6 @@ UpdateGetProfileString (
>  }
> 
>  /**
> -  Converts a list of string to a specified buffer.
> -
> -  @param[out] Buf             The output buffer that contains the string.
> -  @param[in]  BufferLength    The length of the buffer
> -  @param[in]  Str             The input string that contains the hex number
> -
> -  @retval EFI_SUCCESS    The string was successfully converted to the buffer.
> -
> -**/
> -EFI_STATUS
> -AsciiStrToBuf (
> -  OUT UINT8    *Buf,
> -  IN  UINTN    BufferLength,
> -  IN  CHAR8    *Str
> -  )
> -{
> -  UINTN       Index;
> -  UINTN       StrLength;
> -  UINT8       Digit;
> -  UINT8       Byte;
> -
> -  Digit = 0;
> -
> -  //
> -  // Two hex char make up one byte
> -  //
> -  StrLength = BufferLength * 2;
> -
> -  for(Index = 0; Index < StrLength; Index++, Str++) {
> -
> -    if ((*Str >= 'a') && (*Str <= 'f')) {
> -      Digit = (UINT8) (*Str - 'a' + 0x0A);
> -    } else if ((*Str >= 'A') && (*Str <= 'F')) {
> -      Digit = (UINT8) (*Str - 'A' + 0x0A);
> -    } else if ((*Str >= '0') && (*Str <= '9')) {
> -      Digit = (UINT8) (*Str - '0');
> -    } else {
> -      return EFI_INVALID_PARAMETER;
> -    }
> -
> -    //
> -    // For odd characters, write the upper nibble for each buffer byte,
> -    // and for even characters, the lower nibble.
> -    //
> -    if ((Index & 1) == 0) {
> -      Byte = (UINT8) (Digit << 4);
> -    } else {
> -      Byte = Buf[Index / 2];
> -      Byte &= 0xF0;
> -      Byte = (UINT8) (Byte | Digit);
> -    }
> -
> -    Buf[Index / 2] = Byte;
> -  }
> -
> -  return EFI_SUCCESS;
> -}
> -
> -/**
> -  Converts a string to GUID value.
> -  Guid Format is xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
> -
> -  @param[in]  Str              The registry format GUID string that contains
> the GUID value.
> -  @param[out] Guid             A pointer to the converted GUID value.
> -
> -  @retval EFI_SUCCESS     The GUID string was successfully converted to the
> GUID value.
> -  @retval EFI_UNSUPPORTED The input string is not in registry format.
> -  @return others          Some error occurred when converting part of
> GUID value.
> -
> -**/
> -EFI_STATUS
> -IniAsciiStrToGuid (
> -  IN  CHAR8    *Str,
> -  OUT EFI_GUID *Guid
> -  )
> -{
> -  //
> -  // Get the first UINT32 data
> -  //
> -  Guid->Data1 = (UINT32) AsciiStrHexToUint64  (Str);
> -  while (!IS_HYPHEN (*Str) && !IS_NULL (*Str)) {
> -    Str ++;
> -  }
> -
> -  if (IS_HYPHEN (*Str)) {
> -    Str++;
> -  } else {
> -    return EFI_UNSUPPORTED;
> -  }
> -
> -  //
> -  // Get the second UINT16 data
> -  //
> -  Guid->Data2 = (UINT16) AsciiStrHexToUint64  (Str);
> -  while (!IS_HYPHEN (*Str) && !IS_NULL (*Str)) {
> -    Str ++;
> -  }
> -
> -  if (IS_HYPHEN (*Str)) {
> -    Str++;
> -  } else {
> -    return EFI_UNSUPPORTED;
> -  }
> -
> -  //
> -  // Get the third UINT16 data
> -  //
> -  Guid->Data3 = (UINT16) AsciiStrHexToUint64  (Str);
> -  while (!IS_HYPHEN (*Str) && !IS_NULL (*Str)) {
> -    Str ++;
> -  }
> -
> -  if (IS_HYPHEN (*Str)) {
> -    Str++;
> -  } else {
> -    return EFI_UNSUPPORTED;
> -  }
> -
> -  //
> -  // Get the following 8 bytes data
> -  //
> -  AsciiStrToBuf (&Guid->Data4[0], 2, Str);
> -  //
> -  // Skip 2 byte hex chars
> -  //
> -  Str += 2 * 2;
> -
> -  if (IS_HYPHEN (*Str)) {
> -    Str++;
> -  } else {
> -    return EFI_UNSUPPORTED;
> -  }
> -  AsciiStrToBuf (&Guid->Data4[2], 6, Str);
> -
> -  return EFI_SUCCESS;
> -}
> -
> -/**
>    Pre process config data buffer into Section entry list and Comment entry list.
> 
>    @param[in]      DataBuffer      Config raw file buffer.
> @@ -1243,6 +1105,7 @@ GetGuidFromDataFile (
>  {
>    CHAR8                                 *Value;
>    EFI_STATUS                            Status;
> +  RETURN_STATUS                         RStatus;
> 
>    if (Context == NULL || SectionName == NULL || EntryName == NULL || Guid
> == NULL) {
>      return EFI_INVALID_PARAMETER;
> @@ -1258,11 +1121,8 @@ GetGuidFromDataFile (
>      return EFI_NOT_FOUND;
>    }
>    ASSERT (Value != NULL);
> -  if (!IsValidGuid(Value, AsciiStrLen(Value))) {
> -    return EFI_NOT_FOUND;
> -  }
> -  Status = IniAsciiStrToGuid(Value, Guid);
> -  if (EFI_ERROR (Status)) {
> +  RStatus = AsciiStrToGuid (Value, Guid);
> +  if (RETURN_ERROR (RStatus) || (Value[GUID_STRING_LENGTH] != '\0')) {
>      return EFI_NOT_FOUND;
>    }
>    return EFI_SUCCESS;
> --
> 2.9.0.windows.1

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