[mirror_edk2.git] / MdeModulePkg / Library / BrotliCustomDecompressLib / GuidedSectionExtraction.c

/** @file\r
  BROTLI Decompress GUIDed Section Extraction Library.\r
  It wraps Brotli decompress interfaces to GUIDed Section Extraction interfaces\r
  and registers them into GUIDed handler table.\r
\r
  Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <BrotliDecompressLibInternal.h>\r
\r
/**\r
  Examines a GUIDed section and returns the size of the decoded buffer and the\r
  size of an scratch buffer required to actually decode the data in a GUIDed section.\r
\r
  Examines a GUIDed section specified by InputSection.\r
  If GUID for InputSection does not match the GUID that this handler supports,\r
  then RETURN_UNSUPPORTED is returned.\r
  If the required information can not be retrieved from InputSection,\r
  then RETURN_INVALID_PARAMETER is returned.\r
  If the GUID of InputSection does match the GUID that this handler supports,\r
  then the size required to hold the decoded buffer is returned in OututBufferSize,\r
  the size of an optional scratch buffer is returned in ScratchSize, and the Attributes field\r
  from EFI_GUID_DEFINED_SECTION header of InputSection is returned in SectionAttribute.\r
\r
  If InputSection is NULL, then ASSERT().\r
  If OutputBufferSize is NULL, then ASSERT().\r
  If ScratchBufferSize is NULL, then ASSERT().\r
  If SectionAttribute is NULL, then ASSERT().\r
\r
\r
  @param[in]  InputSection       A pointer to a GUIDed section of an FFS formatted file.\r
  @param[out] OutputBufferSize   A pointer to the size, in bytes, of an output buffer required\r
                                 if the buffer specified by InputSection were decoded.\r
  @param[out] ScratchBufferSize  A pointer to the size, in bytes, required as scratch space\r
                                 if the buffer specified by InputSection were decoded.\r
  @param[out] SectionAttribute   A pointer to the attributes of the GUIDed section. See the Attributes\r
                                 field of EFI_GUID_DEFINED_SECTION in the PI Specification.\r
\r
  @retval  RETURN_SUCCESS            The information about InputSection was returned.\r
  @retval  RETURN_UNSUPPORTED        The section specified by InputSection does not match the GUID this handler supports.\r
  @retval  RETURN_INVALID_PARAMETER  The information can not be retrieved from the section specified by InputSection.\r
\r
**/\r
RETURN_STATUS\r
EFIAPI\r
BrotliGuidedSectionGetInfo (\r
  IN  CONST VOID  *InputSection,\r
  OUT UINT32      *OutputBufferSize,\r
  OUT UINT32      *ScratchBufferSize,\r
  OUT UINT16      *SectionAttribute\r
  )\r
{\r
  ASSERT (InputSection != NULL);\r
  ASSERT (OutputBufferSize != NULL);\r
  ASSERT (ScratchBufferSize != NULL);\r
  ASSERT (SectionAttribute != NULL);\r
\r
  if (IS_SECTION2 (InputSection)) {\r
    if (!CompareGuid (\r
        &gBrotliCustomDecompressGuid,\r
        &(((EFI_GUID_DEFINED_SECTION2 *) InputSection)->SectionDefinitionGuid))) {\r
      return RETURN_INVALID_PARAMETER;\r
    }\r
\r
    *SectionAttribute = ((EFI_GUID_DEFINED_SECTION2 *) InputSection)->Attributes;\r
\r
    return BrotliUefiDecompressGetInfo (\r
             (UINT8 *) InputSection + ((EFI_GUID_DEFINED_SECTION2 *) InputSection)->DataOffset,\r
             SECTION2_SIZE (InputSection) - ((EFI_GUID_DEFINED_SECTION2 *) InputSection)->DataOffset,\r
             OutputBufferSize,\r
             ScratchBufferSize\r
             );\r
  } else {\r
    if (!CompareGuid (\r
        &gBrotliCustomDecompressGuid,\r
        &(((EFI_GUID_DEFINED_SECTION *) InputSection)->SectionDefinitionGuid))) {\r
      return RETURN_INVALID_PARAMETER;\r
    }\r
\r
    *SectionAttribute = ((EFI_GUID_DEFINED_SECTION *) InputSection)->Attributes;\r
\r
    return BrotliUefiDecompressGetInfo (\r
             (UINT8 *) InputSection + ((EFI_GUID_DEFINED_SECTION *) InputSection)->DataOffset,\r
             SECTION_SIZE (InputSection) - ((EFI_GUID_DEFINED_SECTION *) InputSection)->DataOffset,\r
             OutputBufferSize,\r
             ScratchBufferSize\r
             );\r
  }\r
}\r
\r
/**\r
  Decompress a BROTLI compressed GUIDed section into a caller allocated output buffer.\r
\r
  Decodes the GUIDed section specified by InputSection.\r
  If GUID for InputSection does not match the GUID that this handler supports, then RETURN_UNSUPPORTED is returned.\r
  If the data in InputSection can not be decoded, then RETURN_INVALID_PARAMETER is returned.\r
  If the GUID of InputSection does match the GUID that this handler supports, then InputSection\r
  is decoded into the buffer specified by OutputBuffer and the authentication status of this\r
  decode operation is returned in AuthenticationStatus.  If the decoded buffer is identical to the\r
  data in InputSection, then OutputBuffer is set to point at the data in InputSection.  Otherwise,\r
  the decoded data will be placed in caller allocated buffer specified by OutputBuffer.\r
\r
  If InputSection is NULL, then ASSERT().\r
  If OutputBuffer is NULL, then ASSERT().\r
  If ScratchBuffer is NULL and this decode operation requires a scratch buffer, then ASSERT().\r
  If AuthenticationStatus is NULL, then ASSERT().\r
\r
  @param[in]  InputSection  A pointer to a GUIDed section of an FFS formatted file.\r
  @param[out] OutputBuffer  A pointer to a buffer that contains the result of a decode operation.\r
  @param[out] ScratchBuffer A caller allocated buffer that may be required by this function\r
                            as a scratch buffer to perform the decode operation.\r
  @param[out] AuthenticationStatus\r
                            A pointer to the authentication status of the decoded output buffer.\r
                            See the definition of authentication status in the EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI\r
                            section of the PI Specification. EFI_AUTH_STATUS_PLATFORM_OVERRIDE must\r
                            never be set by this handler.\r
\r
  @retval  RETURN_SUCCESS            The buffer specified by InputSection was decoded.\r
  @retval  RETURN_UNSUPPORTED        The section specified by InputSection does not match the GUID this handler supports.\r
  @retval  RETURN_INVALID_PARAMETER  The section specified by InputSection can not be decoded.\r
\r
**/\r
RETURN_STATUS\r
EFIAPI\r
BrotliGuidedSectionExtraction (\r
  IN CONST  VOID    *InputSection,\r
  OUT       VOID    **OutputBuffer,\r
  OUT       VOID    *ScratchBuffer         OPTIONAL,\r
  OUT       UINT32  *AuthenticationStatus\r
  )\r
{\r
  ASSERT (OutputBuffer != NULL);\r
  ASSERT (InputSection != NULL);\r
\r
  if (IS_SECTION2 (InputSection)) {\r
    if (!CompareGuid (\r
        &gBrotliCustomDecompressGuid,\r
        &(((EFI_GUID_DEFINED_SECTION2 *) InputSection)->SectionDefinitionGuid))) {\r
      return RETURN_INVALID_PARAMETER;\r
    }\r
    //\r
    // Authentication is set to Zero, which may be ignored.\r
    //\r
    *AuthenticationStatus = 0;\r
\r
    return BrotliUefiDecompress (\r
             (UINT8 *) InputSection + ((EFI_GUID_DEFINED_SECTION2 *) InputSection)->DataOffset,\r
             SECTION2_SIZE (InputSection) - ((EFI_GUID_DEFINED_SECTION2 *) InputSection)->DataOffset,\r
             *OutputBuffer,\r
             ScratchBuffer\r
             );\r
  } else {\r
    if (!CompareGuid (\r
        &gBrotliCustomDecompressGuid,\r
        &(((EFI_GUID_DEFINED_SECTION *) InputSection)->SectionDefinitionGuid))) {\r
      return RETURN_INVALID_PARAMETER;\r
    }\r
    //\r
    // Authentication is set to Zero, which may be ignored.\r
    //\r
    *AuthenticationStatus = 0;\r
\r
    return BrotliUefiDecompress (\r
             (UINT8 *) InputSection + ((EFI_GUID_DEFINED_SECTION *) InputSection)->DataOffset,\r
             SECTION_SIZE (InputSection) - ((EFI_GUID_DEFINED_SECTION *) InputSection)->DataOffset,\r
             *OutputBuffer,\r
             ScratchBuffer\r
    );\r
  }\r
}\r
\r
/**\r
  Register BrotliDecompress and BrotliDecompressGetInfo handlers with BrotliCustomerDecompressGuid.\r
\r
  @retval  EFI_SUCCESS            Register successfully.\r
  @retval  EFI_OUT_OF_RESOURCES   No enough memory to store this handler.\r
**/\r
EFI_STATUS\r
EFIAPI\r
BrotliDecompressLibConstructor (\r
  VOID\r
  )\r
{\r
  return ExtractGuidedSectionRegisterHandlers (\r
          &gBrotliCustomDecompressGuid,\r
          BrotliGuidedSectionGetInfo,\r
          BrotliGuidedSectionExtraction\r
          );\r
}\r
Commit	Line	Data
841b2590 SB	1	/** @file\r
	2	BROTLI Decompress GUIDed Section Extraction Library.\r
	3	It wraps Brotli decompress interfaces to GUIDed Section Extraction interfaces\r
	4	and registers them into GUIDed handler table.\r
	5	\r
	6	Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>\r
9d510e61	7	SPDX-License-Identifier: BSD-2-Clause-Patent\r
841b2590 SB	8	\r
	9	**/\r
	10	\r
	11	#include <BrotliDecompressLibInternal.h>\r
	12	\r
	13	/**\r
	14	Examines a GUIDed section and returns the size of the decoded buffer and the\r
	15	size of an scratch buffer required to actually decode the data in a GUIDed section.\r
	16	\r
	17	Examines a GUIDed section specified by InputSection.\r
	18	If GUID for InputSection does not match the GUID that this handler supports,\r
	19	then RETURN_UNSUPPORTED is returned.\r
	20	If the required information can not be retrieved from InputSection,\r
	21	then RETURN_INVALID_PARAMETER is returned.\r
	22	If the GUID of InputSection does match the GUID that this handler supports,\r
	23	then the size required to hold the decoded buffer is returned in OututBufferSize,\r
	24	the size of an optional scratch buffer is returned in ScratchSize, and the Attributes field\r
	25	from EFI_GUID_DEFINED_SECTION header of InputSection is returned in SectionAttribute.\r
	26	\r
	27	If InputSection is NULL, then ASSERT().\r
	28	If OutputBufferSize is NULL, then ASSERT().\r
	29	If ScratchBufferSize is NULL, then ASSERT().\r
	30	If SectionAttribute is NULL, then ASSERT().\r
	31	\r
	32	\r
	33	@param[in] InputSection A pointer to a GUIDed section of an FFS formatted file.\r
	34	@param[out] OutputBufferSize A pointer to the size, in bytes, of an output buffer required\r
	35	if the buffer specified by InputSection were decoded.\r
	36	@param[out] ScratchBufferSize A pointer to the size, in bytes, required as scratch space\r
	37	if the buffer specified by InputSection were decoded.\r
	38	@param[out] SectionAttribute A pointer to the attributes of the GUIDed section. See the Attributes\r
	39	field of EFI_GUID_DEFINED_SECTION in the PI Specification.\r
	40	\r
	41	@retval RETURN_SUCCESS The information about InputSection was returned.\r
	42	@retval RETURN_UNSUPPORTED The section specified by InputSection does not match the GUID this handler supports.\r
	43	@retval RETURN_INVALID_PARAMETER The information can not be retrieved from the section specified by InputSection.\r
	44	\r
	45	**/\r
	46	RETURN_STATUS\r
	47	EFIAPI\r
	48	BrotliGuidedSectionGetInfo (\r
	49	IN CONST VOID *InputSection,\r
	50	OUT UINT32 *OutputBufferSize,\r
	51	OUT UINT32 *ScratchBufferSize,\r
	52	OUT UINT16 *SectionAttribute\r
	53	)\r
	54	{\r
	55	ASSERT (InputSection != NULL);\r
	56	ASSERT (OutputBufferSize != NULL);\r
	57	ASSERT (ScratchBufferSize != NULL);\r
	58	ASSERT (SectionAttribute != NULL);\r
	59	\r
	60	if (IS_SECTION2 (InputSection)) {\r
	61	if (!CompareGuid (\r
	62	&gBrotliCustomDecompressGuid,\r
	63	&(((EFI_GUID_DEFINED_SECTION2 *) InputSection)->SectionDefinitionGuid))) {\r
	64	return RETURN_INVALID_PARAMETER;\r
	65	}\r
	66	\r
	67	SectionAttribute = ((EFI_GUID_DEFINED_SECTION2 ) InputSection)->Attributes;\r
	68	\r
	69	return BrotliUefiDecompressGetInfo (\r
	70	(UINT8 ) InputSection + ((EFI_GUID_DEFINED_SECTION2 ) InputSection)->DataOffset,\r
	71	SECTION2_SIZE (InputSection) - ((EFI_GUID_DEFINED_SECTION2 *) InputSection)->DataOffset,\r
72	OutputBufferSize,\r
73	ScratchBufferSize\r
74	);\r
75	} else {\r
76	if (!CompareGuid (\r
77	&gBrotliCustomDecompressGuid,\r
78	&(((EFI_GUID_DEFINED_SECTION *) InputSection)->SectionDefinitionGuid))) {\r
79	return RETURN_INVALID_PARAMETER;\r
80	}\r
81	\r
82	SectionAttribute = ((EFI_GUID_DEFINED_SECTION ) InputSection)->Attributes;\r
83	\r
84	return BrotliUefiDecompressGetInfo (\r
85	(UINT8 ) InputSection + ((EFI_GUID_DEFINED_SECTION ) InputSection)->DataOffset,\r
86	SECTION_SIZE (InputSection) - ((EFI_GUID_DEFINED_SECTION *) InputSection)->DataOffset,\r
87	OutputBufferSize,\r
88	ScratchBufferSize\r
89	);\r
90	}\r
91	}\r
92	\r
93	/**\r
94	Decompress a BROTLI compressed GUIDed section into a caller allocated output buffer.\r
95	\r
96	Decodes the GUIDed section specified by InputSection.\r
97	If GUID for InputSection does not match the GUID that this handler supports, then RETURN_UNSUPPORTED is returned.\r
98	If the data in InputSection can not be decoded, then RETURN_INVALID_PARAMETER is returned.\r
99	If the GUID of InputSection does match the GUID that this handler supports, then InputSection\r
100	is decoded into the buffer specified by OutputBuffer and the authentication status of this\r
101	decode operation is returned in AuthenticationStatus. If the decoded buffer is identical to the\r
102	data in InputSection, then OutputBuffer is set to point at the data in InputSection. Otherwise,\r
103	the decoded data will be placed in caller allocated buffer specified by OutputBuffer.\r
104	\r
105	If InputSection is NULL, then ASSERT().\r
106	If OutputBuffer is NULL, then ASSERT().\r
107	If ScratchBuffer is NULL and this decode operation requires a scratch buffer, then ASSERT().\r
108	If AuthenticationStatus is NULL, then ASSERT().\r
109	\r
110	@param[in] InputSection A pointer to a GUIDed section of an FFS formatted file.\r
111	@param[out] OutputBuffer A pointer to a buffer that contains the result of a decode operation.\r
112	@param[out] ScratchBuffer A caller allocated buffer that may be required by this function\r
113	as a scratch buffer to perform the decode operation.\r
114	@param[out] AuthenticationStatus\r
115	A pointer to the authentication status of the decoded output buffer.\r
116	See the definition of authentication status in the EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI\r
117	section of the PI Specification. EFI_AUTH_STATUS_PLATFORM_OVERRIDE must\r
118	never be set by this handler.\r
119	\r
120	@retval RETURN_SUCCESS The buffer specified by InputSection was decoded.\r
121	@retval RETURN_UNSUPPORTED The section specified by InputSection does not match the GUID this handler supports.\r
122	@retval RETURN_INVALID_PARAMETER The section specified by InputSection can not be decoded.\r
123	\r
124	**/\r
125	RETURN_STATUS\r
126	EFIAPI\r
127	BrotliGuidedSectionExtraction (\r
128	IN CONST VOID *InputSection,\r
129	OUT VOID **OutputBuffer,\r
e3917e22	130	OUT VOID *ScratchBuffer OPTIONAL,\r
841b2590 SB	131	OUT UINT32 *AuthenticationStatus\r
	132	)\r
	133	{\r
	134	ASSERT (OutputBuffer != NULL);\r
	135	ASSERT (InputSection != NULL);\r
	136	\r
	137	if (IS_SECTION2 (InputSection)) {\r
	138	if (!CompareGuid (\r
	139	&gBrotliCustomDecompressGuid,\r
	140	&(((EFI_GUID_DEFINED_SECTION2 *) InputSection)->SectionDefinitionGuid))) {\r
	141	return RETURN_INVALID_PARAMETER;\r
	142	}\r
	143	//\r
	144	// Authentication is set to Zero, which may be ignored.\r
	145	//\r
	146	*AuthenticationStatus = 0;\r
	147	\r
	148	return BrotliUefiDecompress (\r
	149	(UINT8 ) InputSection + ((EFI_GUID_DEFINED_SECTION2 ) InputSection)->DataOffset,\r
	150	SECTION2_SIZE (InputSection) - ((EFI_GUID_DEFINED_SECTION2 *) InputSection)->DataOffset,\r
	151	*OutputBuffer,\r
	152	ScratchBuffer\r
	153	);\r
	154	} else {\r
	155	if (!CompareGuid (\r
	156	&gBrotliCustomDecompressGuid,\r
	157	&(((EFI_GUID_DEFINED_SECTION *) InputSection)->SectionDefinitionGuid))) {\r
	158	return RETURN_INVALID_PARAMETER;\r
	159	}\r
	160	//\r
	161	// Authentication is set to Zero, which may be ignored.\r
	162	//\r
	163	*AuthenticationStatus = 0;\r
	164	\r
	165	return BrotliUefiDecompress (\r
	166	(UINT8 ) InputSection + ((EFI_GUID_DEFINED_SECTION ) InputSection)->DataOffset,\r
	167	SECTION_SIZE (InputSection) - ((EFI_GUID_DEFINED_SECTION *) InputSection)->DataOffset,\r
	168	*OutputBuffer,\r
	169	ScratchBuffer\r
	170	);\r
	171	}\r
	172	}\r
	173	\r
	174	/**\r
	175	Register BrotliDecompress and BrotliDecompressGetInfo handlers with BrotliCustomerDecompressGuid.\r
	176	\r
	177	@retval EFI_SUCCESS Register successfully.\r
	178	@retval EFI_OUT_OF_RESOURCES No enough memory to store this handler.\r
	179	**/\r
	180	EFI_STATUS\r
	181	EFIAPI\r
	182	BrotliDecompressLibConstructor (\r
f826516d	183	VOID\r
841b2590 SB	184	)\r
	185	{\r
	186	return ExtractGuidedSectionRegisterHandlers (\r
	187	&gBrotliCustomDecompressGuid,\r
	188	BrotliGuidedSectionGetInfo,\r
	189	BrotliGuidedSectionExtraction\r
	190	);\r
	191	}\r