1 // Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // e32utils\setcap\setcap.cpp

    15 // 

    16 //

    17 

    18 #include "setcap.h"

    19 

    20 #include <e32std.h>

    21 

    22 GLDEF_D TBool CapabilitySet;

    23 GLDEF_D SCapabilitySet Capability;

    24 GLDEF_D TBool SecureIdSet;

    25 GLDEF_D TSecureId SecureId;

    26 GLDEF_D TBool VendorIdSet;

    27 GLDEF_D TVendorId VendorId;

    28 

    29 #ifdef __TOOLS__

    30 #define		Mem		HMem

    31 #include "h_utl.h"

    32 #endif //__TOOLS__

    33 

    34 #if !defined(__EPOC32__) && !defined(__LINUX__)

    35 

    36 GLDEF_C TInt SetCap(HANDLE hFile)

    37 	{

    38 	DWORD ret;

    39 	TText8 checkedUidBuf[sizeof(TCheckedUid)];

    40 	ReadFile(hFile,checkedUidBuf,sizeof(TCheckedUid),&ret,NULL);

    41 	if (ret!=sizeof(TCheckedUid))

    42 		goto close;

    43 

    44 	//Look at PE file for UID section

    45 	{

    46 	const TInt KPeHeaderAddrAddr=0x3c;

    47 	const TInt KPeHeaderAddrSize=0x01;

    48 	const TInt KNumberOfSectionsOffset=0x06;

    49 	const TInt KNumberOfSectionsSize=0x02;

    50 	const TInt KSectionTableOffset=0xf8;

    51 	const TInt KSectionHeaderSize=0x28;

    52 	const TInt KSectionNameLength=0x08;

    53 	const TInt KPtrToRawDataOffset=0x14;

    54 	const TInt KPtrToRawDataSize=0x04;

    55 	const TText8 peText[4]={'P','E',0,0};

    56 	const TText8 uidText[8]={'.','S','Y','M','B','I','A','N'};

    57 		

    58 	//Read address of start of PE header

    59 	if (SetFilePointer(hFile,KPeHeaderAddrAddr,0,FILE_BEGIN)==0xFFFFFFFF)

    60 		goto close;

    61 	TInt peAddr=0;

    62 	ReadFile(hFile,&peAddr,KPeHeaderAddrSize,&ret,NULL);

    63 	if (ret!=KPeHeaderAddrSize)

    64 		goto close;

    65 		

    66 	//Check it really is the start of PE header

    67 	if (SetFilePointer(hFile,peAddr,0,FILE_BEGIN)==0xFFFFFFFF)

    68 		goto close;

    69 	TText8 text[4];

    70 	ReadFile(hFile,text,4,&ret,NULL);

    71 	if (*(TInt32*)text!=*(TInt32*)peText)

    72 		goto close;

    73 		

    74 	//Read number of sections

    75 	if (SetFilePointer(hFile,peAddr+KNumberOfSectionsOffset,0,FILE_BEGIN)==0xFFFFFFFF)

    76 		goto close;

    77 	TInt sections=0;

    78 	ReadFile(hFile,&sections,KNumberOfSectionsSize,&ret,NULL);

    79 	if (ret!=KNumberOfSectionsSize)

    80 		goto close;

    81 

    82 	//Go through section headers looking for UID section

    83 	if (SetFilePointer(hFile,peAddr+KSectionTableOffset,0,FILE_BEGIN)==0xFFFFFFFF)

    84 		goto close;

    85 	TInt i=0;

    86 	for(;i<sections;i++)

    87 		{

    88 		TText8 name[KSectionNameLength];

    89 		ReadFile(hFile,name,KSectionNameLength,&ret,NULL);

    90 		if (ret!=KSectionNameLength)

    91 			goto close;

    92 		if (*(TInt64*)name==*(TInt64*)uidText)

    93 			break;

    94 		if (SetFilePointer(hFile,KSectionHeaderSize-KSectionNameLength,0,FILE_CURRENT)==0xFFFFFFFF)

    95 			goto close;

    96 		}

    97 	if (i==sections)

    98 		goto close;

    99 

   100 	//Read RVA/Offset

   101 	if (SetFilePointer(hFile,KPtrToRawDataOffset-KSectionNameLength,0,FILE_CURRENT)==0xFFFFFFFF)

   102 		goto close;

   103 	TInt uidOffset;

   104 	ReadFile(hFile,&uidOffset,KPtrToRawDataSize,&ret,NULL);

   105 	if (ret!=KPtrToRawDataSize)

   106 		goto close;

   107 

   108 	//SYMBIAN Header

   109 	if (SetFilePointer(hFile,uidOffset,0,FILE_BEGIN)==0xFFFFFFFF)

   110 		goto close;

   111 

   112 	TEmulatorImageHeader header;

   113 

   114 	ReadFile(hFile,&header,sizeof(header),&ret,NULL);

   115 	if (ret!=sizeof(header))

   116 		goto close;

   117 

   118 	// set new capabilities

   119 	if (CapabilitySet)

   120 		{

   121 		header.iS.iCaps = Capability;

   122 		}

   123 

   124 	// set new secure id and vendor id if specified

   125 	if (SecureIdSet)

   126 		{

   127 		header.iS.iSecureId = SecureId.iId;

   128 		}

   129 	if (VendorIdSet)

   130 		{

   131 		header.iS.iVendorId = VendorId.iId;

   132 		}

   133 

   134 	// save header values

   135 	Capability = header.iS.iCaps;

   136 	SecureId.iId = header.iS.iSecureId;

   137 	VendorId.iId = header.iS.iVendorId;

   138 

   139 	if (SetFilePointer(hFile,uidOffset,0,FILE_BEGIN)==0xFFFFFFFF)

   140 		goto close;

   141 

   142 	BOOL b = WriteFile(hFile,&header,sizeof(header),&ret,NULL);

   143 	if (b==FALSE)

   144 		goto close;

   145 

   146 	CloseHandle(hFile);

   147 	return KErrNone;

   148 	}

   149 close:

   150 	CloseHandle(hFile);

   151 	return KErrGeneral;

   152 	}

   153 

   154 #endif //__EPOC32__

   155 

   156 #ifndef __WINS__

   157 

   158 GLDEF_C TInt SetCap(E32ImageHeader* h)

   159 	{

   160 	TUint hdrfmt = h->HeaderFormat();

   161 	if (hdrfmt < KImageHdrFmt_V)

   162 		return KErrNotSupported;

   163 	E32ImageHeaderV* v = (E32ImageHeaderV*)h;

   164 	if (CapabilitySet)

   165 		v->iS.iCaps = Capability;

   166 	if (SecureIdSet)

   167 		v->iS.iSecureId = SecureId.iId;

   168 	if (VendorIdSet)

   169 		v->iS.iVendorId = VendorId.iId;	

   170 

   171 	// save header values

   172 	Capability = v->iS.iCaps;

   173 	SecureId.iId = v->iS.iSecureId;

   174 	VendorId.iId = v->iS.iVendorId;

   175 

   176 	// regenerate CRC

   177 	v->iHeaderCrc = KImageCrcInitialiser;

   178 	TUint32 crc = 0;

   179 	Mem::Crc32(crc, v, v->TotalSize());

   180 	v->iHeaderCrc = crc;

   181 	return KErrNone;

   182 	}

   183 

   184 #endif //__WINS__