[mirror_edk2.git] / BaseTools / Source / C / GenCrc32 / GenCrc32.c

/** @file\r
Calculate Crc32 value and Verify Crc32 value for input data.\r
\r
Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>\r
SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <stdio.h>\r
#include <stdlib.h>\r
#include <string.h>\r
\r
#include "ParseInf.h"\r
#include "EfiUtilityMsgs.h"\r
#include "CommonLib.h"\r
#include "Crc32.h"\r
\r
#define UTILITY_NAME            "GenCrc32"\r
#define UTILITY_MAJOR_VERSION   0\r
#define UTILITY_MINOR_VERSION   2\r
\r
#define CRC32_NULL              0\r
#define CRC32_ENCODE            1\r
#define CRC32_DECODE            2\r
\r
VOID\r
Version (\r
  VOID\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Displays the standard utility information to SDTOUT\r
\r
Arguments:\r
\r
  None\r
\r
Returns:\r
\r
  None\r
\r
--*/\r
{\r
  fprintf (stdout, "%s Version %d.%d %s \n", UTILITY_NAME, UTILITY_MAJOR_VERSION, UTILITY_MINOR_VERSION, __BUILD_VERSION);\r
}\r
\r
VOID\r
Usage (\r
  VOID\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Displays the utility usage syntax to STDOUT\r
\r
Arguments:\r
\r
  None\r
\r
Returns:\r
\r
  None\r
\r
--*/\r
{\r
  //\r
  // Summary usage\r
  //\r
  fprintf (stdout, "Usage: GenCrc32 -e|-d [options] <input_file>\n\n");\r
\r
  //\r
  // Copyright declaration\r
  //\r
  fprintf (stdout, "Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.\n\n");\r
\r
  //\r
  // Details Option\r
  //\r
  fprintf (stdout, "optional arguments:\n");\r
  fprintf (stdout, "  -h, --help            Show this help message and exit\n");\r
  fprintf (stdout, "  --version             Show program's version number and exit\n");\r
  fprintf (stdout, "  --debug [DEBUG]       Output DEBUG statements, where DEBUG_LEVEL is 0 (min)\n\\r
                        - 9 (max)\n");\r
  fprintf (stdout, "  -v, --verbose         Print informational statements\n");\r
  fprintf (stdout, "  -q, --quiet           Returns the exit code, error messages will be\n\\r
                        displayed\n");\r
  fprintf (stdout, "  -s, --silent          Returns only the exit code; informational and error\n\\r
                        messages are not displayed\n");\r
  fprintf (stdout, "  -e, --encode          Calculate CRC32 value for the input file\n");\r
  fprintf (stdout, "  -d, --decode          Verify CRC32 value for the input file\n");\r
  fprintf (stdout, "  -o OUTPUT_FILENAME, --output OUTPUT_FILENAME\n\\r
                        Output file name\n");\r
  fprintf (stdout, "  --sfo                 Reserved for future use\n");\r
\r
}\r
\r
int\r
main (\r
  int   argc,\r
  CHAR8 *argv[]\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Main function.\r
\r
Arguments:\r
\r
  argc - Number of command line parameters.\r
  argv - Array of pointers to parameter strings.\r
\r
Returns:\r
  STATUS_SUCCESS - Utility exits successfully.\r
  STATUS_ERROR   - Some error occurred during execution.\r
\r
--*/\r
{\r
  EFI_STATUS              Status;\r
  CHAR8                   *OutputFileName;\r
  CHAR8                   *InputFileName;\r
  UINT8                   *FileBuffer;\r
  UINT32                  FileSize;\r
  UINT64                  LogLevel;\r
  UINT8                   FileAction;\r
  UINT32                  Crc32Value;\r
  FILE                    *InFile;\r
  FILE                    *OutFile;\r
\r
  //\r
  // Init local variables\r
  //\r
  LogLevel       = 0;\r
  Status         = EFI_SUCCESS;\r
  InputFileName  = NULL;\r
  OutputFileName = NULL;\r
  FileAction     = CRC32_NULL;\r
  InFile         = NULL;\r
  OutFile        = NULL;\r
  Crc32Value     = 0;\r
  FileBuffer     = NULL;\r
\r
  SetUtilityName (UTILITY_NAME);\r
\r
  if (argc == 1) {\r
    Error (NULL, 0, 1001, "Missing options", "no options input");\r
    Usage ();\r
    return STATUS_ERROR;\r
  }\r
\r
  //\r
  // Parse command line\r
  //\r
  argc --;\r
  argv ++;\r
\r
  if ((stricmp (argv[0], "-h") == 0) || (stricmp (argv[0], "--help") == 0)) {\r
    Usage ();\r
    return STATUS_SUCCESS;\r
  }\r
\r
  if (stricmp (argv[0], "--version") == 0) {\r
    Version ();\r
    return STATUS_SUCCESS;\r
  }\r
\r
  while (argc > 0) {\r
    if ((stricmp (argv[0], "-o") == 0) || (stricmp (argv[0], "--output") == 0)) {\r
      if (argv[1] == NULL || argv[1][0] == '-') {\r
        Error (NULL, 0, 1003, "Invalid option value", "Output File name is missing for -o option");\r
        goto Finish;\r
      }\r
      OutputFileName = argv[1];\r
      argc -= 2;\r
      argv += 2;\r
      continue;\r
    }\r
\r
    if ((stricmp (argv[0], "-e") == 0) || (stricmp (argv[0], "--encode") == 0)) {\r
      FileAction     = CRC32_ENCODE;\r
      argc --;\r
      argv ++;\r
      continue;\r
    }\r
\r
    if ((stricmp (argv[0], "-d") == 0) || (stricmp (argv[0], "--decode") == 0)) {\r
      FileAction     = CRC32_DECODE;\r
      argc --;\r
      argv ++;\r
      continue;\r
    }\r
\r
    if ((stricmp (argv[0], "-v") == 0) || (stricmp (argv[0], "--verbose") == 0)) {\r
      SetPrintLevel (VERBOSE_LOG_LEVEL);\r
      VerboseMsg ("Verbose output Mode Set!");\r
      argc --;\r
      argv ++;\r
      continue;\r
    }\r
\r
    if ((stricmp (argv[0], "-q") == 0) || (stricmp (argv[0], "--quiet") == 0)) {\r
      SetPrintLevel (KEY_LOG_LEVEL);\r
      KeyMsg ("Quiet output Mode Set!");\r
      argc --;\r
      argv ++;\r
      continue;\r
    }\r
\r
    if (stricmp (argv[0], "--debug") == 0) {\r
      Status = AsciiStringToUint64 (argv[1], FALSE, &LogLevel);\r
      if (EFI_ERROR (Status)) {\r
        Error (NULL, 0, 1003, "Invalid option value", "%s = %s", argv[0], argv[1]);\r
        goto Finish;\r
      }\r
      if (LogLevel > 9) {\r
        Error (NULL, 0, 1003, "Invalid option value", "Debug Level range is 0-9, current input level is %d", (int) LogLevel);\r
        goto Finish;\r
      }\r
      SetPrintLevel (LogLevel);\r
      DebugMsg (NULL, 0, 9, "Debug Mode Set", "Debug Output Mode Level %s is set!", argv[1]);\r
      argc -= 2;\r
      argv += 2;\r
      continue;\r
    }\r
\r
    if (argv[0][0] == '-') {\r
      Error (NULL, 0, 1000, "Unknown option", argv[0]);\r
      goto Finish;\r
    }\r
\r
    //\r
    // Get Input file file name.\r
    //\r
    InputFileName = argv[0];\r
    argc --;\r
    argv ++;\r
  }\r
\r
  VerboseMsg ("%s tool start.", UTILITY_NAME);\r
\r
  //\r
  // Check Input parameters\r
  //\r
  if (FileAction == CRC32_NULL) {\r
    Error (NULL, 0, 1001, "Missing option", "either the encode or the decode option must be specified!");\r
    return STATUS_ERROR;\r
  } else if (FileAction == CRC32_ENCODE) {\r
    VerboseMsg ("File will be encoded by Crc32");\r
  } else if (FileAction == CRC32_DECODE) {\r
    VerboseMsg ("File will be decoded by Crc32");\r
  }\r
\r
  if (InputFileName == NULL) {\r
    Error (NULL, 0, 1001, "Missing option", "Input files are not specified");\r
    goto Finish;\r
  } else {\r
    VerboseMsg ("Input file name is %s", InputFileName);\r
  }\r
\r
  if (OutputFileName == NULL) {\r
    Error (NULL, 0, 1001, "Missing option", "Output file are not specified");\r
    goto Finish;\r
  } else {\r
    VerboseMsg ("Output file name is %s", OutputFileName);\r
  }\r
\r
  //\r
  // Open Input file and read file data.\r
  //\r
  InFile = fopen (LongFilePath (InputFileName), "rb");\r
  if (InFile == NULL) {\r
    Error (NULL, 0, 0001, "Error opening file", InputFileName);\r
    return STATUS_ERROR;\r
  }\r
\r
  fseek (InFile, 0, SEEK_END);\r
  FileSize = ftell (InFile);\r
  fseek (InFile, 0, SEEK_SET);\r
\r
  FileBuffer = (UINT8 *) malloc (FileSize);\r
  if (FileBuffer == NULL) {\r
    Error (NULL, 0, 4001, "Resource", "memory cannot be allocated!");\r
    fclose (InFile);\r
    goto Finish;\r
  }\r
\r
  fread (FileBuffer, 1, FileSize, InFile);\r
  fclose (InFile);\r
  VerboseMsg ("the size of the input file is %u bytes", (unsigned) FileSize);\r
\r
  //\r
  // Open output file\r
  //\r
  OutFile = fopen (LongFilePath (OutputFileName), "wb");\r
  if (OutFile == NULL) {\r
    Error (NULL, 0, 0001, "Error opening file", OutputFileName);\r
    goto Finish;\r
  }\r
\r
  //\r
  // Calculate Crc32 value\r
  //\r
  if (FileAction == CRC32_ENCODE) {\r
    Status = CalculateCrc32 (FileBuffer, FileSize, &Crc32Value);\r
    if (Status != EFI_SUCCESS) {\r
      Error (NULL, 0, 3000, "Invalid", "Calculate CRC32 value failed!");\r
      goto Finish;\r
    }\r
    //\r
    // Done, write output file.\r
    //\r
    fwrite (&Crc32Value, 1, sizeof (Crc32Value), OutFile);\r
    VerboseMsg ("The calculated CRC32 value is 0x%08x", (unsigned) Crc32Value);\r
    fwrite (FileBuffer, 1, FileSize, OutFile);\r
    VerboseMsg ("the size of the encoded file is %u bytes", (unsigned) FileSize + sizeof (UINT32));\r
  } else {\r
    //\r
    // Verify Crc32 Value\r
    //\r
    if (FileSize < sizeof (UINT32)) {\r
      Error (NULL, 0, 3000, "Invalid", "Input file is invalid!");\r
      goto Finish;\r
    }\r
    Status = CalculateCrc32 (FileBuffer + sizeof (UINT32), FileSize - sizeof (UINT32), &Crc32Value);\r
    if (Status != EFI_SUCCESS) {\r
      Error (NULL, 0, 3000, "Invalid", "Calculate CRC32 value failed!");\r
      goto Finish;\r
    }\r
    VerboseMsg ("The calculated CRC32 value is 0x%08x and File Crc32 value is 0x%08x", (unsigned) Crc32Value, (unsigned) (*(UINT32 *)FileBuffer));\r
    if (Crc32Value != *(UINT32 *)FileBuffer) {\r
      Error (NULL, 0, 3000, "Invalid", "CRC32 value of input file is not correct!");\r
      Status = STATUS_ERROR;\r
      goto Finish;\r
    }\r
    //\r
    // Done, write output file.\r
    //\r
    fwrite (FileBuffer + sizeof (UINT32), 1, FileSize - sizeof (UINT32), OutFile);\r
    VerboseMsg ("the size of the decoded file is %u bytes", (unsigned) FileSize - sizeof (UINT32));\r
  }\r
\r
Finish:\r
  if (FileBuffer != NULL) {\r
    free (FileBuffer);\r
  }\r
\r
  if (OutFile != NULL) {\r
    fclose (OutFile);\r
  }\r
\r
  VerboseMsg ("%s tool done with return code is 0x%x.", UTILITY_NAME, GetUtilityStatus ());\r
\r
  return GetUtilityStatus ();\r
}\r
\r
\r
\r
\r
Commit	Line	Data
30fdf114	1	/** @file\r
97fa0ee9	2	Calculate Crc32 value and Verify Crc32 value for input data.\r
30fdf114	3	\r
f7496d71	4	Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>\r
2e351cbe	5	SPDX-License-Identifier: BSD-2-Clause-Patent\r
30fdf114	6	\r
30fdf114 LG	7	**/\r
	8	\r
	9	#include <stdio.h>\r
	10	#include <stdlib.h>\r
	11	#include <string.h>\r
	12	\r
fd171542	13	#include "ParseInf.h"\r
30fdf114 LG	14	#include "EfiUtilityMsgs.h"\r
	15	#include "CommonLib.h"\r
	16	#include "Crc32.h"\r
	17	\r
	18	#define UTILITY_NAME "GenCrc32"\r
	19	#define UTILITY_MAJOR_VERSION 0\r
f4260465	20	#define UTILITY_MINOR_VERSION 2\r
30fdf114 LG	21	\r
	22	#define CRC32_NULL 0\r
	23	#define CRC32_ENCODE 1\r
f7496d71	24	#define CRC32_DECODE 2\r
30fdf114 LG	25	\r
	26	VOID\r
	27	Version (\r
	28	VOID\r
	29	)\r
	30	/*++\r
	31	\r
	32	Routine Description:\r
	33	\r
	34	Displays the standard utility information to SDTOUT\r
	35	\r
	36	Arguments:\r
	37	\r
	38	None\r
	39	\r
	40	Returns:\r
	41	\r
	42	None\r
	43	\r
	44	--*/\r
	45	{\r
f4260465	46	fprintf (stdout, "%s Version %d.%d %s \n", UTILITY_NAME, UTILITY_MAJOR_VERSION, UTILITY_MINOR_VERSION, __BUILD_VERSION);\r
30fdf114 LG	47	}\r
	48	\r
	49	VOID\r
	50	Usage (\r
	51	VOID\r
	52	)\r
	53	/*++\r
	54	\r
	55	Routine Description:\r
	56	\r
	57	Displays the utility usage syntax to STDOUT\r
	58	\r
	59	Arguments:\r
	60	\r
	61	None\r
	62	\r
	63	Returns:\r
	64	\r
	65	None\r
	66	\r
	67	--*/\r
	68	{\r
	69	//\r
	70	// Summary usage\r
	71	//\r
4afd3d04	72	fprintf (stdout, "Usage: GenCrc32 -e\|-d [options] <input_file>\n\n");\r
f7496d71	73	\r
30fdf114 LG	74	//\r
30fdf114 LG	75	// Copyright declaration\r
f7496d71 LG	76	//\r
f7496d71 LG	77	fprintf (stdout, "Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.\n\n");\r
30fdf114 LG	78	\r
	79	//\r
	80	// Details Option\r
	81	//\r
4afd3d04 LG	82	fprintf (stdout, "optional arguments:\n");\r
	83	fprintf (stdout, " -h, --help Show this help message and exit\n");\r
	84	fprintf (stdout, " --version Show program's version number and exit\n");\r
	85	fprintf (stdout, " --debug [DEBUG] Output DEBUG statements, where DEBUG_LEVEL is 0 (min)\n\\r
	86	- 9 (max)\n");\r
	87	fprintf (stdout, " -v, --verbose Print informational statements\n");\r
	88	fprintf (stdout, " -q, --quiet Returns the exit code, error messages will be\n\\r
	89	displayed\n");\r
	90	fprintf (stdout, " -s, --silent Returns only the exit code; informational and error\n\\r
	91	messages are not displayed\n");\r
	92	fprintf (stdout, " -e, --encode Calculate CRC32 value for the input file\n");\r
	93	fprintf (stdout, " -d, --decode Verify CRC32 value for the input file\n");\r
	94	fprintf (stdout, " -o OUTPUT_FILENAME, --output OUTPUT_FILENAME\n\\r
	95	Output file name\n");\r
	96	fprintf (stdout, " --sfo Reserved for future use\n");\r
f7496d71	97	\r
30fdf114 LG	98	}\r
	99	\r
	100	int\r
	101	main (\r
fd171542	102	int argc,\r
30fdf114 LG	103	CHAR8 *argv[]\r
	104	)\r
	105	/*++\r
	106	\r
	107	Routine Description:\r
	108	\r
	109	Main function.\r
	110	\r
	111	Arguments:\r
	112	\r
	113	argc - Number of command line parameters.\r
	114	argv - Array of pointers to parameter strings.\r
	115	\r
	116	Returns:\r
	117	STATUS_SUCCESS - Utility exits successfully.\r
	118	STATUS_ERROR - Some error occurred during execution.\r
	119	\r
	120	--*/\r
	121	{\r
	122	EFI_STATUS Status;\r
	123	CHAR8 *OutputFileName;\r
	124	CHAR8 *InputFileName;\r
	125	UINT8 *FileBuffer;\r
	126	UINT32 FileSize;\r
	127	UINT64 LogLevel;\r
	128	UINT8 FileAction;\r
	129	UINT32 Crc32Value;\r
	130	FILE *InFile;\r
	131	FILE *OutFile;\r
f7496d71	132	\r
30fdf114 LG	133	//\r
	134	// Init local variables\r
	135	//\r
	136	LogLevel = 0;\r
	137	Status = EFI_SUCCESS;\r
	138	InputFileName = NULL;\r
	139	OutputFileName = NULL;\r
	140	FileAction = CRC32_NULL;\r
	141	InFile = NULL;\r
	142	OutFile = NULL;\r
	143	Crc32Value = 0;\r
	144	FileBuffer = NULL;\r
	145	\r
	146	SetUtilityName (UTILITY_NAME);\r
	147	\r
	148	if (argc == 1) {\r
	149	Error (NULL, 0, 1001, "Missing options", "no options input");\r
	150	Usage ();\r
	151	return STATUS_ERROR;\r
	152	}\r
	153	\r
	154	//\r
	155	// Parse command line\r
	156	//\r
	157	argc --;\r
	158	argv ++;\r
	159	\r
	160	if ((stricmp (argv[0], "-h") == 0) \|\| (stricmp (argv[0], "--help") == 0)) {\r
30fdf114	161	Usage ();\r
f7496d71	162	return STATUS_SUCCESS;\r
30fdf114 LG	163	}\r
	164	\r
	165	if (stricmp (argv[0], "--version") == 0) {\r
	166	Version ();\r
f7496d71	167	return STATUS_SUCCESS;\r
30fdf114 LG	168	}\r
	169	\r
	170	while (argc > 0) {\r
	171	if ((stricmp (argv[0], "-o") == 0) \|\| (stricmp (argv[0], "--output") == 0)) {\r
	172	if (argv[1] == NULL \|\| argv[1][0] == '-') {\r
	173	Error (NULL, 0, 1003, "Invalid option value", "Output File name is missing for -o option");\r
	174	goto Finish;\r
	175	}\r
	176	OutputFileName = argv[1];\r
	177	argc -= 2;\r
	178	argv += 2;\r
f7496d71	179	continue;\r
30fdf114 LG	180	}\r
	181	\r
	182	if ((stricmp (argv[0], "-e") == 0) \|\| (stricmp (argv[0], "--encode") == 0)) {\r
	183	FileAction = CRC32_ENCODE;\r
	184	argc --;\r
	185	argv ++;\r
f7496d71	186	continue;\r
30fdf114 LG	187	}\r
	188	\r
	189	if ((stricmp (argv[0], "-d") == 0) \|\| (stricmp (argv[0], "--decode") == 0)) {\r
	190	FileAction = CRC32_DECODE;\r
	191	argc --;\r
	192	argv ++;\r
f7496d71	193	continue;\r
30fdf114 LG	194	}\r
	195	\r
	196	if ((stricmp (argv[0], "-v") == 0) \|\| (stricmp (argv[0], "--verbose") == 0)) {\r
	197	SetPrintLevel (VERBOSE_LOG_LEVEL);\r
	198	VerboseMsg ("Verbose output Mode Set!");\r
	199	argc --;\r
	200	argv ++;\r
	201	continue;\r
	202	}\r
	203	\r
	204	if ((stricmp (argv[0], "-q") == 0) \|\| (stricmp (argv[0], "--quiet") == 0)) {\r
	205	SetPrintLevel (KEY_LOG_LEVEL);\r
	206	KeyMsg ("Quiet output Mode Set!");\r
	207	argc --;\r
	208	argv ++;\r
	209	continue;\r
	210	}\r
	211	\r
	212	if (stricmp (argv[0], "--debug") == 0) {\r
	213	Status = AsciiStringToUint64 (argv[1], FALSE, &LogLevel);\r
	214	if (EFI_ERROR (Status)) {\r
	215	Error (NULL, 0, 1003, "Invalid option value", "%s = %s", argv[0], argv[1]);\r
	216	goto Finish;\r
	217	}\r
	218	if (LogLevel > 9) {\r
fd171542	219	Error (NULL, 0, 1003, "Invalid option value", "Debug Level range is 0-9, current input level is %d", (int) LogLevel);\r
30fdf114 LG	220	goto Finish;\r
	221	}\r
	222	SetPrintLevel (LogLevel);\r
	223	DebugMsg (NULL, 0, 9, "Debug Mode Set", "Debug Output Mode Level %s is set!", argv[1]);\r
	224	argc -= 2;\r
	225	argv += 2;\r
	226	continue;\r
	227	}\r
	228	\r
	229	if (argv[0][0] == '-') {\r
	230	Error (NULL, 0, 1000, "Unknown option", argv[0]);\r
	231	goto Finish;\r
	232	}\r
	233	\r
	234	//\r
	235	// Get Input file file name.\r
	236	//\r
	237	InputFileName = argv[0];\r
	238	argc --;\r
	239	argv ++;\r
	240	}\r
	241	\r
	242	VerboseMsg ("%s tool start.", UTILITY_NAME);\r
f7496d71	243	\r
30fdf114	244	//\r
99e55970	245	// Check Input parameters\r
30fdf114 LG	246	//\r
	247	if (FileAction == CRC32_NULL) {\r
	248	Error (NULL, 0, 1001, "Missing option", "either the encode or the decode option must be specified!");\r
	249	return STATUS_ERROR;\r
	250	} else if (FileAction == CRC32_ENCODE) {\r
	251	VerboseMsg ("File will be encoded by Crc32");\r
	252	} else if (FileAction == CRC32_DECODE) {\r
	253	VerboseMsg ("File will be decoded by Crc32");\r
	254	}\r
f7496d71	255	\r
30fdf114 LG	256	if (InputFileName == NULL) {\r
	257	Error (NULL, 0, 1001, "Missing option", "Input files are not specified");\r
	258	goto Finish;\r
	259	} else {\r
	260	VerboseMsg ("Input file name is %s", InputFileName);\r
	261	}\r
	262	\r
	263	if (OutputFileName == NULL) {\r
	264	Error (NULL, 0, 1001, "Missing option", "Output file are not specified");\r
	265	goto Finish;\r
	266	} else {\r
	267	VerboseMsg ("Output file name is %s", OutputFileName);\r
	268	}\r
f7496d71	269	\r
30fdf114 LG	270	//\r
	271	// Open Input file and read file data.\r
	272	//\r
1be2ed90	273	InFile = fopen (LongFilePath (InputFileName), "rb");\r
30fdf114 LG	274	if (InFile == NULL) {\r
	275	Error (NULL, 0, 0001, "Error opening file", InputFileName);\r
	276	return STATUS_ERROR;\r
	277	}\r
	278	\r
	279	fseek (InFile, 0, SEEK_END);\r
	280	FileSize = ftell (InFile);\r
	281	fseek (InFile, 0, SEEK_SET);\r
f7496d71	282	\r
30fdf114 LG	283	FileBuffer = (UINT8 *) malloc (FileSize);\r
30fdf114 LG	284	if (FileBuffer == NULL) {\r
fb0b35e0	285	Error (NULL, 0, 4001, "Resource", "memory cannot be allocated!");\r
9639f7d3	286	fclose (InFile);\r
30fdf114 LG	287	goto Finish;\r
30fdf114 LG	288	}\r
f7496d71	289	\r
30fdf114 LG	290	fread (FileBuffer, 1, FileSize, InFile);\r
30fdf114 LG	291	fclose (InFile);\r
fd171542	292	VerboseMsg ("the size of the input file is %u bytes", (unsigned) FileSize);\r
f7496d71	293	\r
30fdf114 LG	294	//\r
	295	// Open output file\r
	296	//\r
1be2ed90	297	OutFile = fopen (LongFilePath (OutputFileName), "wb");\r
30fdf114 LG	298	if (OutFile == NULL) {\r
	299	Error (NULL, 0, 0001, "Error opening file", OutputFileName);\r
	300	goto Finish;\r
	301	}\r
f7496d71	302	\r
30fdf114 LG	303	//\r
	304	// Calculate Crc32 value\r
	305	//\r
	306	if (FileAction == CRC32_ENCODE) {\r
	307	Status = CalculateCrc32 (FileBuffer, FileSize, &Crc32Value);\r
	308	if (Status != EFI_SUCCESS) {\r
	309	Error (NULL, 0, 3000, "Invalid", "Calculate CRC32 value failed!");\r
	310	goto Finish;\r
	311	}\r
	312	//\r
	313	// Done, write output file.\r
	314	//\r
	315	fwrite (&Crc32Value, 1, sizeof (Crc32Value), OutFile);\r
fd171542	316	VerboseMsg ("The calculated CRC32 value is 0x%08x", (unsigned) Crc32Value);\r
30fdf114	317	fwrite (FileBuffer, 1, FileSize, OutFile);\r
fd171542	318	VerboseMsg ("the size of the encoded file is %u bytes", (unsigned) FileSize + sizeof (UINT32));\r
30fdf114 LG	319	} else {\r
	320	//\r
	321	// Verify Crc32 Value\r
	322	//\r
997b2c54 YZ	323	if (FileSize < sizeof (UINT32)) {\r
	324	Error (NULL, 0, 3000, "Invalid", "Input file is invalid!");\r
	325	goto Finish;\r
	326	}\r
30fdf114 LG	327	Status = CalculateCrc32 (FileBuffer + sizeof (UINT32), FileSize - sizeof (UINT32), &Crc32Value);\r
	328	if (Status != EFI_SUCCESS) {\r
	329	Error (NULL, 0, 3000, "Invalid", "Calculate CRC32 value failed!");\r
	330	goto Finish;\r
	331	}\r
fd171542	332	VerboseMsg ("The calculated CRC32 value is 0x%08x and File Crc32 value is 0x%08x", (unsigned) Crc32Value, (unsigned) ((UINT32 )FileBuffer));\r
30fdf114 LG	333	if (Crc32Value != (UINT32 )FileBuffer) {\r
	334	Error (NULL, 0, 3000, "Invalid", "CRC32 value of input file is not correct!");\r
	335	Status = STATUS_ERROR;\r
	336	goto Finish;\r
	337	}\r
	338	//\r
	339	// Done, write output file.\r
	340	//\r
	341	fwrite (FileBuffer + sizeof (UINT32), 1, FileSize - sizeof (UINT32), OutFile);\r
fd171542	342	VerboseMsg ("the size of the decoded file is %u bytes", (unsigned) FileSize - sizeof (UINT32));\r
30fdf114 LG	343	}\r
	344	\r
	345	Finish:\r
	346	if (FileBuffer != NULL) {\r
	347	free (FileBuffer);\r
	348	}\r
f7496d71	349	\r
30fdf114 LG	350	if (OutFile != NULL) {\r
	351	fclose (OutFile);\r
	352	}\r
f7496d71	353	\r
30fdf114 LG	354	VerboseMsg ("%s tool done with return code is 0x%x.", UTILITY_NAME, GetUtilityStatus ());\r
	355	\r
	356	return GetUtilityStatus ();\r
	357	}\r
	358	\r
f7496d71 LG	359	\r
	360	\r
	361	\r