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xmach.cpp
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// copyright (c) 2017-2020 hors<[email protected]>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
#include "xmach.h"
XMACH::XMACH(QIODevice *__pDevice, bool bIsImage, qint64 nImageAddress): XBinary(__pDevice,bIsImage,nImageAddress)
{
}
XMACH::~XMACH()
{
}
bool XMACH::isValid()
{
bool bResult=false;
quint32 nMagic=read_uint32(0);
if( (nMagic==XMACH_DEF::S_MH_MAGIC)||
(nMagic==XMACH_DEF::S_MH_CIGAM)||
(nMagic==XMACH_DEF::S_MH_MAGIC_64)||
(nMagic==XMACH_DEF::S_MH_CIGAM_64))
{
bResult=true;
}
return bResult;
}
bool XMACH::isBigEndian()
{
bool bResult=false;
quint32 nMagic=read_uint32(0);
if( (nMagic==XMACH_DEF::S_MH_CIGAM)||
(nMagic==XMACH_DEF::S_MH_CIGAM_64))
{
bResult=true;
}
return bResult;
}
bool XMACH::is64()
{
return (getHeader_magic()==XMACH_DEF::S_MH_MAGIC_64);
}
bool XMACH::is64(QIODevice *pDevice)
{
bool bResult=false;
XMACH xmach(pDevice);
if(xmach.isValid())
{
bResult=xmach.is64();
}
return bResult;
}
qint64 XMACH::getHeaderOffset()
{
return 0;
}
qint64 XMACH::getHeader32Size()
{
return sizeof(XMACH_DEF::mach_header);
}
qint64 XMACH::getHeader64Size()
{
return sizeof(XMACH_DEF::mach_header_64);
}
quint32 XMACH::getHeader_magic()
{
return read_uint32(offsetof(XMACH_DEF::mach_header,magic),isBigEndian());
}
qint32 XMACH::getHeader_cputype()
{
return read_int32(offsetof(XMACH_DEF::mach_header,cputype),isBigEndian());
}
qint32 XMACH::getHeader_cpusubtype()
{
return read_int32(offsetof(XMACH_DEF::mach_header,cpusubtype),isBigEndian());
}
quint32 XMACH::getHeader_filetype()
{
return read_uint32(offsetof(XMACH_DEF::mach_header,filetype),isBigEndian());
}
quint32 XMACH::getHeader_ncmds()
{
return read_uint32(offsetof(XMACH_DEF::mach_header,ncmds),isBigEndian());
}
quint32 XMACH::getHeader_sizeofcmds()
{
return read_uint32(offsetof(XMACH_DEF::mach_header,sizeofcmds),isBigEndian());
}
quint32 XMACH::getHeader_flags()
{
return read_uint32(offsetof(XMACH_DEF::mach_header,flags),isBigEndian());
}
quint32 XMACH::getHeader_reserved()
{
return read_uint32(offsetof(XMACH_DEF::mach_header_64,reserved),isBigEndian());
}
void XMACH::setHeader_magic(quint32 nValue)
{
write_uint32(offsetof(XMACH_DEF::mach_header,magic),nValue,isBigEndian());
}
void XMACH::setHeader_cputype(qint32 nValue)
{
write_int32(offsetof(XMACH_DEF::mach_header,cputype),nValue,isBigEndian());
}
void XMACH::setHeader_cpusubtype(qint32 nValue)
{
write_int32(offsetof(XMACH_DEF::mach_header,cpusubtype),nValue,isBigEndian());
}
void XMACH::setHeader_filetype(quint32 nValue)
{
write_uint32(offsetof(XMACH_DEF::mach_header,filetype),nValue,isBigEndian());
}
void XMACH::setHeader_ncmds(quint32 nValue)
{
write_uint32(offsetof(XMACH_DEF::mach_header,ncmds),nValue,isBigEndian());
}
void XMACH::setHeader_sizeofcmds(quint32 nValue)
{
write_uint32(offsetof(XMACH_DEF::mach_header,sizeofcmds),nValue,isBigEndian());
}
void XMACH::setHeader_flags(quint32 nValue)
{
write_uint32(offsetof(XMACH_DEF::mach_header,flags),nValue,isBigEndian());
}
void XMACH::setHeader_reserved(quint32 nValue)
{
write_uint32(offsetof(XMACH_DEF::mach_header_64,reserved),nValue,isBigEndian());
}
qint64 XMACH::getHeaderSize()
{
qint64 nResult=0;
if(is64())
{
nResult=sizeof(XMACH_DEF::mach_header_64);
}
else
{
nResult=sizeof(XMACH_DEF::mach_header);
}
return nResult;
}
QMap<quint64, QString> XMACH::getHeaderMagics()
{
QMap<quint64, QString> mapResult;
mapResult.insert(0xfeedface,"MH_MAGIC");
mapResult.insert(0xcefaedfe,"MH_CIGAM");
mapResult.insert(0xfeedfacf,"MH_MAGIC_64");
mapResult.insert(0xcffaedfe,"MH_CIGAM_64");
return mapResult;
}
QMap<quint64, QString> XMACH::getHeaderMagicsS()
{
QMap<quint64, QString> mapResult;
mapResult.insert(0xfeedface,"MAGIC");
mapResult.insert(0xcefaedfe,"CIGAM");
mapResult.insert(0xfeedfacf,"MAGIC_64");
mapResult.insert(0xcffaedfe,"CIGAM_64");
return mapResult;
}
QMap<quint64, QString> XMACH::getHeaderCpuTypes()
{
QMap<quint64, QString> mapResult;
// https://opensource.apple.com/source/cctools/cctools-836/include/mach/machine.h
mapResult.insert(1,"CPU_TYPE_VAX");
mapResult.insert(2,"CPU_TYPE_ROMP");
mapResult.insert(4,"CPU_TYPE_NS32032");
mapResult.insert(5,"CPU_TYPE_NS32332");
mapResult.insert(6,"CPU_TYPE_MC680x0");
mapResult.insert(7,"CPU_TYPE_I386");
mapResult.insert(0x1000007,"CPU_TYPE_X86_64");
mapResult.insert(8,"CPU_TYPE_MIPS");
mapResult.insert(9,"CPU_TYPE_NS32532");
mapResult.insert(11,"CPU_TYPE_HPPA");
mapResult.insert(12,"CPU_TYPE_ARM");
mapResult.insert(13,"CPU_TYPE_MC88000");
mapResult.insert(14,"CPU_TYPE_SPARC");
mapResult.insert(15,"CPU_TYPE_I860");
mapResult.insert(16,"CPU_TYPE_I860_LITTLE");
mapResult.insert(17,"CPU_TYPE_RS6000");
mapResult.insert(18,"CPU_TYPE_POWERPC");
mapResult.insert(0x1000018,"CPU_TYPE_POWERPC64");
mapResult.insert(255,"CPU_TYPE_VEO");
return mapResult;
}
QMap<quint64, QString> XMACH::getHeaderCpuTypesS()
{
QMap<quint64, QString> mapResult;
mapResult.insert(1,"VAX");
mapResult.insert(2,"ROMP");
mapResult.insert(4,"NS32032");
mapResult.insert(5,"NS32332");
mapResult.insert(6,"MC680x0");
mapResult.insert(7,"I386");
mapResult.insert(0x1000007,"X86_64");
mapResult.insert(8,"MIPS");
mapResult.insert(9,"NS32532");
mapResult.insert(11,"HPPA");
mapResult.insert(12,"ARM");
mapResult.insert(13,"MC88000");
mapResult.insert(14,"SPARC");
mapResult.insert(15,"I860");
mapResult.insert(16,"I860_LITTLE");
mapResult.insert(17,"RS6000");
mapResult.insert(18,"POWERPC");
mapResult.insert(0x1000018,"POWERPC64");
mapResult.insert(255,"VEO");
return mapResult;
}
QMap<quint64, QString> XMACH::getHeaderFileTypes()
{
QMap<quint64, QString> mapResult;
mapResult.insert(0x1,"MH_OBJECT");
mapResult.insert(0x2,"MH_EXECUTE");
mapResult.insert(0x3,"MH_FVMLIB");
mapResult.insert(0x4,"MH_CORE");
mapResult.insert(0x5,"MH_PRELOAD");
mapResult.insert(0x6,"MH_DYLIB");
mapResult.insert(0x7,"MH_DYLINKER");
mapResult.insert(0x8,"MH_BUNDLE");
mapResult.insert(0x9,"MH_DYLIB_STUB");
mapResult.insert(0xa,"MH_DSYM");
mapResult.insert(0xb,"MH_KEXT_BUNDLE");
return mapResult;
}
QMap<quint64, QString> XMACH::getHeaderFileTypesS()
{
QMap<quint64, QString> mapResult;
mapResult.insert(0x1,"OBJECT");
mapResult.insert(0x2,"EXECUTE");
mapResult.insert(0x3,"FVMLIB");
mapResult.insert(0x4,"CORE");
mapResult.insert(0x5,"PRELOAD");
mapResult.insert(0x6,"DYLIB");
mapResult.insert(0x7,"DYLINKER");
mapResult.insert(0x8,"BUNDLE");
mapResult.insert(0x9,"DYLIB_STUB");
mapResult.insert(0xa,"DSYM");
mapResult.insert(0xb,"KEXT_BUNDLE");
return mapResult;
}
QMap<quint64, QString> XMACH::getHeaderFlags()
{
QMap<quint64, QString> mapResult;
mapResult.insert(0x1,"MH_NOUNDEFS");
mapResult.insert(0x2,"MH_INCRLINK");
mapResult.insert(0x4,"MH_DYLDLINK");
mapResult.insert(0x8,"MH_BINDATLOAD");
mapResult.insert(0x10,"MH_PREBOUND");
mapResult.insert(0x20,"MH_SPLIT_SEGS");
mapResult.insert(0x40,"MH_LAZY_INIT");
mapResult.insert(0x80,"MH_TWOLEVEL");
mapResult.insert(0x100,"MH_FORCE_FLAT");
mapResult.insert(0x200,"MH_NOMULTIDEFS");
mapResult.insert(0x400,"MH_NOFIXPREBINDING");
mapResult.insert(0x800,"MH_PREBINDABLE");
mapResult.insert(0x1000,"MH_ALLMODSBOUND");
mapResult.insert(0x2000,"MH_SUBSECTIONS_VIA_SYMBOLS");
mapResult.insert(0x4000,"MH_CANONICAL");
mapResult.insert(0x8000,"MH_WEAK_DEFINES");
mapResult.insert(0x10000,"MH_BINDS_TO_WEAK");
mapResult.insert(0x20000,"MH_ALLOW_STACK_EXECUTION");
mapResult.insert(0x40000,"MH_ROOT_SAFE");
mapResult.insert(0x80000,"MH_SETUID_SAFE");
mapResult.insert(0x100000,"MH_NO_REEXPORTED_DYLIBS");
mapResult.insert(0x200000,"MH_PIE");
mapResult.insert(0x400000,"MH_DEAD_STRIPPABLE_DYLIB");
mapResult.insert(0x800000,"MH_HAS_TLV_DESCRIPTORS");
mapResult.insert(0x1000000,"MH_NO_HEAP_EXECUTION");
mapResult.insert(0x02000000,"MH_APP_EXTENSION_SAFE");
mapResult.insert(0x04000000,"MH_NLIST_OUTOFSYNC_WITH_DYLDINFO");
mapResult.insert(0x08000000,"MH_SIM_SUPPORT");
return mapResult;
}
QMap<quint64, QString> XMACH::getHeaderFlagsS()
{
QMap<quint64, QString> mapResult;
mapResult.insert(0x1,"NOUNDEFS");
mapResult.insert(0x2,"INCRLINK");
mapResult.insert(0x4,"DYLDLINK");
mapResult.insert(0x8,"BINDATLOAD");
mapResult.insert(0x10,"PREBOUND");
mapResult.insert(0x20,"SPLIT_SEGS");
mapResult.insert(0x40,"LAZY_INIT");
mapResult.insert(0x80,"TWOLEVEL");
mapResult.insert(0x100,"FORCE_FLAT");
mapResult.insert(0x200,"NOMULTIDEFS");
mapResult.insert(0x400,"NOFIXPREBINDING");
mapResult.insert(0x800,"PREBINDABLE");
mapResult.insert(0x1000,"ALLMODSBOUND");
mapResult.insert(0x2000,"SUBSECTIONS_VIA_SYMBOLS");
mapResult.insert(0x4000,"CANONICAL");
mapResult.insert(0x8000,"WEAK_DEFINES");
mapResult.insert(0x10000,"BINDS_TO_WEAK");
mapResult.insert(0x20000,"ALLOW_STACK_EXECUTION");
mapResult.insert(0x40000,"ROOT_SAFE");
mapResult.insert(0x80000,"SETUID_SAFE");
mapResult.insert(0x100000,"NO_REEXPORTED_DYLIBS");
mapResult.insert(0x200000,"PIE");
mapResult.insert(0x400000,"DEAD_STRIPPABLE_DYLIB");
mapResult.insert(0x800000,"HAS_TLV_DESCRIPTORS");
mapResult.insert(0x1000000,"NO_HEAP_EXECUTION");
mapResult.insert(0x02000000,"APP_EXTENSION_SAFE");
mapResult.insert(0x04000000,"NLIST_OUTOFSYNC_WITH_DYLDINFO");
mapResult.insert(0x08000000,"SIM_SUPPORT");
return mapResult;
}
QMap<quint64, QString> XMACH::getLoadCommandTypes()
{
QMap<quint64, QString> mapResult;
mapResult.insert(0x1,"LC_SEGMENT");
mapResult.insert(0x2,"LC_SYMTAB");
mapResult.insert(0x3,"LC_SYMSEG");
mapResult.insert(0x4,"LC_THREAD");
mapResult.insert(0x5,"LC_UNIXTHREAD");
mapResult.insert(0x6,"LC_LOADFVMLIB");
mapResult.insert(0x7,"LC_IDFVMLIB");
mapResult.insert(0x8,"LC_IDENT");
mapResult.insert(0x9,"LC_FVMFILE");
mapResult.insert(0xa,"LC_PREPAGE");
mapResult.insert(0xb,"LC_DYSYMTAB");
mapResult.insert(0xc,"LC_LOAD_DYLIB");
mapResult.insert(0xd,"LC_ID_DYLIB");
mapResult.insert(0xe,"LC_LOAD_DYLINKER");
mapResult.insert(0xf,"LC_ID_DYLINKER");
mapResult.insert(0x10,"LC_PREBOUND_DYLIB");
mapResult.insert(0x11,"LC_ROUTINES");
mapResult.insert(0x12,"LC_SUB_FRAMEWORK");
mapResult.insert(0x13,"LC_SUB_UMBRELLA");
mapResult.insert(0x14,"LC_SUB_CLIENT");
mapResult.insert(0x15,"LC_SUB_LIBRARY");
mapResult.insert(0x16,"LC_TWOLEVEL_HINTS");
mapResult.insert(0x17,"LC_PREBIND_CKSUM");
mapResult.insert(0x18|0x80000000,"LC_LOAD_WEAK_DYLIB");
mapResult.insert(0x19,"LC_SEGMENT_64");
mapResult.insert(0x1a,"LC_ROUTINES_64");
mapResult.insert(0x1b,"LC_UUID");
mapResult.insert(0x1c|0x80000000,"LC_RPATH");
mapResult.insert(0x1d,"LC_CODE_SIGNATURE");
mapResult.insert(0x1e,"LC_SEGMENT_SPLIT_INFO");
mapResult.insert(0x1f|0x80000000,"LC_REEXPORT_DYLIB");
mapResult.insert(0x20,"LC_LAZY_LOAD_DYLIB");
mapResult.insert(0x21,"LC_ENCRYPTION_INFO");
mapResult.insert(0x22,"LC_DYLD_INFO");
mapResult.insert(0x22|0x80000000,"LC_DYLD_INFO_ONLY");
mapResult.insert(0x23|0x80000000,"LC_LOAD_UPWARD_DYLIB");
mapResult.insert(0x24,"LC_VERSION_MIN_MACOSX");
mapResult.insert(0x25,"LC_VERSION_MIN_IPHONEOS");
mapResult.insert(0x26,"LC_FUNCTION_STARTS");
mapResult.insert(0x24,"LC_VERSION_MIN_MACOSX");
mapResult.insert(0x25,"LC_VERSION_MIN_IPHONEOS");
mapResult.insert(0x26,"LC_FUNCTION_STARTS");
mapResult.insert(0x27,"LC_DYLD_ENVIRONMENT");
mapResult.insert(0x28|0x80000000,"LC_MAIN");
mapResult.insert(0x29,"LC_DATA_IN_CODE");
mapResult.insert(0x2A,"LC_SOURCE_VERSION");
mapResult.insert(0x2B,"LC_DYLIB_CODE_SIGN_DRS");
mapResult.insert(0x2C,"LC_ENCRYPTION_INFO_64");
mapResult.insert(0x2D,"LC_LINKER_OPTION");
mapResult.insert(0x2E,"LC_LINKER_OPTIMIZATION_HINT");
mapResult.insert(0x2F,"LC_VERSION_MIN_TVOS");
mapResult.insert(0x30,"LC_VERSION_MIN_WATCHOS");
return mapResult;
}
QMap<quint64, QString> XMACH::getLoadCommandTypesS()
{
QMap<quint64, QString> mapResult;
mapResult.insert(0x1,"SEGMENT");
mapResult.insert(0x2,"SYMTAB");
mapResult.insert(0x3,"SYMSEG");
mapResult.insert(0x4,"THREAD");
mapResult.insert(0x5,"UNIXTHREAD");
mapResult.insert(0x6,"LOADFVMLIB");
mapResult.insert(0x7,"IDFVMLIB");
mapResult.insert(0x8,"IDENT");
mapResult.insert(0x9,"FVMFILE");
mapResult.insert(0xa,"PREPAGE");
mapResult.insert(0xb,"DYSYMTAB");
mapResult.insert(0xc,"LOAD_DYLIB");
mapResult.insert(0xd,"ID_DYLIB");
mapResult.insert(0xe,"LOAD_DYLINKER");
mapResult.insert(0xf,"ID_DYLINKER");
mapResult.insert(0x10,"PREBOUND_DYLIB");
mapResult.insert(0x11,"ROUTINES");
mapResult.insert(0x12,"SUB_FRAMEWORK");
mapResult.insert(0x13,"SUB_UMBRELLA");
mapResult.insert(0x14,"SUB_CLIENT");
mapResult.insert(0x15,"SUB_LIBRARY");
mapResult.insert(0x16,"TWOLEVEL_HINTS");
mapResult.insert(0x17,"PREBIND_CKSUM");
mapResult.insert(0x18|0x80000000,"LOAD_WEAK_DYLIB");
mapResult.insert(0x19,"SEGMENT_64");
mapResult.insert(0x1a,"ROUTINES_64");
mapResult.insert(0x1b,"UUID");
mapResult.insert(0x1c|0x80000000,"RPATH");
mapResult.insert(0x1d,"CODE_SIGNATURE");
mapResult.insert(0x1e,"SEGMENT_SPLIT_INFO");
mapResult.insert(0x1f|0x80000000,"REEXPORT_DYLIB");
mapResult.insert(0x20,"LAZY_LOAD_DYLIB");
mapResult.insert(0x21,"ENCRYPTION_INFO");
mapResult.insert(0x22,"DYLD_INFO");
mapResult.insert(0x22|0x80000000,"DYLD_INFO_ONLY");
mapResult.insert(0x23|0x80000000,"LOAD_UPWARD_DYLIB");
mapResult.insert(0x24,"VERSION_MIN_MACOSX");
mapResult.insert(0x25,"VERSION_MIN_IPHONEOS");
mapResult.insert(0x26,"FUNCTION_STARTS");
mapResult.insert(0x24,"VERSION_MIN_MACOSX");
mapResult.insert(0x25,"VERSION_MIN_IPHONEOS");
mapResult.insert(0x26,"FUNCTION_STARTS");
mapResult.insert(0x27,"DYLD_ENVIRONMENT");
mapResult.insert(0x28|0x80000000,"MAIN");
mapResult.insert(0x29,"DATA_IN_CODE");
mapResult.insert(0x2A,"SOURCE_VERSION");
mapResult.insert(0x2B,"DYLIB_CODE_SIGN_DRS");
mapResult.insert(0x2C,"ENCRYPTION_INFO_64");
mapResult.insert(0x2D,"LINKER_OPTION");
mapResult.insert(0x2E,"LINKER_OPTIMIZATION_HINT");
mapResult.insert(0x2F,"VERSION_MIN_TVOS");
mapResult.insert(0x30,"VERSION_MIN_WATCHOS");
return mapResult;
}
QList<XMACH::COMMAND_RECORD> XMACH::getCommandRecords()
{
QList<COMMAND_RECORD> listResult;
quint32 nNumberOfCommands=getHeader_ncmds();
quint32 nSizeOfCommands=getHeader_sizeofcmds();
qint64 nOffset=getHeaderSize();
bool bIsBigEndian=isBigEndian();
bool bIs64=is64();
qint64 nSize=0;
for(quint32 i=0; i<nNumberOfCommands; i++)
{
COMMAND_RECORD record={};
record.nOffset=nOffset;
record.nType=read_uint32(nOffset+offsetof(XMACH_DEF::load_command,cmd),bIsBigEndian);
record.nSize=read_uint32(nOffset+offsetof(XMACH_DEF::load_command,cmdsize),bIsBigEndian);
listResult.append(record);
qint64 _nSize=record.nSize;
if(bIs64)
{
_nSize=S_ALIGN_UP(_nSize,8);
}
else
{
_nSize=S_ALIGN_UP(_nSize,4);
}
nSize+=_nSize;
nOffset+=_nSize;
if(nSize>nSizeOfCommands)
{
break;
}
}
return listResult;
}
QList<XMACH::COMMAND_RECORD> XMACH::getCommandRecords(quint32 nCommandID, QList<XMACH::COMMAND_RECORD> *pList)
{
QList<COMMAND_RECORD> listResult;
int nCount=pList->count();
for(int i=0; i<nCount; i++)
{
if(pList->at(i).nType==nCommandID)
{
listResult.append(pList->at(i));
}
}
return listResult;
}
bool XMACH::isCommandPresent(quint32 nCommandID, int nIndex)
{
QList<COMMAND_RECORD> list=getCommandRecords();
return isCommandPresent(nCommandID,nIndex,&list);
}
bool XMACH::isCommandPresent(quint32 nCommandID, int nIndex, QList<XMACH::COMMAND_RECORD> *pList)
{
bool bResult=false;
int nCount=pList->count();
int nCurrentIndex=0;
for(int i=0; i<nCount; i++)
{
if(pList->at(i).nType==nCommandID)
{
if(nCurrentIndex==nIndex)
{
bResult=true;
break;
}
nCurrentIndex++;
}
}
return bResult;
}
QByteArray XMACH::getCommand(quint32 nCommandID, int nIndex)
{
QList<COMMAND_RECORD> list=getCommandRecords();
return getCommand(nCommandID,nIndex,&list);
}
bool XMACH::setCommand(quint32 nCommandID, QByteArray baData, int nIndex)
{
QList<COMMAND_RECORD> list=getCommandRecords();
return setCommand(nCommandID,baData,nIndex,&list);
}
QByteArray XMACH::getCommand(quint32 nCommandID, int nIndex, QList<XMACH::COMMAND_RECORD> *pList)
{
QByteArray baResult;
int nCount=pList->count();
int nCurrentIndex=0;
for(int i=0; i<nCount; i++)
{
if(pList->at(i).nType==nCommandID)
{
if(nCurrentIndex==nIndex)
{
baResult=read_array(pList->at(i).nOffset,pList->at(i).nSize);
break;
}
nCurrentIndex++;
}
}
return baResult;
}
bool XMACH::setCommand(quint32 nCommandID, QByteArray baData, int nIndex, QList<XMACH::COMMAND_RECORD> *pList)
{
bool bResult=false;
int nCount=pList->count();
int nCurrentIndex=0;
for(int i=0; i<nCount; i++)
{
if(pList->at(i).nType==nCommandID)
{
qint32 nSize=baData.size();
if(nCurrentIndex==nIndex)
{
if(nSize==pList->at(i).nSize)
{
bResult=(write_array(pList->at(i).nOffset,baData.data(),pList->at(i).nSize)==nSize);
}
break;
}
nCurrentIndex++;
}
}
return bResult;
}
qint64 XMACH::getAddressOfEntryPoint()
{
qint64 nResult=-1;
bool bIsBigEndian=isBigEndian();
QList<COMMAND_RECORD> listLC=getCommandRecords();
int nCount=listLC.count();
for(int i=0;i<nCount;i++)
{
quint32 nType=listLC.at(i).nType;
qint64 nOffset=listLC.at(i).nOffset;
if((nType==XMACH_DEF::S_LC_THREAD)||(nType==XMACH_DEF::S_LC_UNIXTHREAD))
{
quint32 nFlavor=read_uint32(nOffset+8,bIsBigEndian);
if(nFlavor==XMACH_DEF::S_x86_THREAD_STATE32)
{
nResult=read_uint32(nOffset+16+offsetof(XMACH_DEF::STRUCT_X86_THREAD_STATE32,eip),bIsBigEndian);
}
else if(nFlavor==XMACH_DEF::S_x86_THREAD_STATE64)
{
nResult=read_uint64(nOffset+16+offsetof(XMACH_DEF::STRUCT_X86_THREAD_STATE64,rip),bIsBigEndian);
}
}
else if(nType==XMACH_DEF::S_LC_MAIN)
{
qint64 nEntryPointOffset=read_uint64(nOffset+offsetof(XMACH_DEF::entry_point_command,entryoff),bIsBigEndian);
nResult=offsetToAddress(nEntryPointOffset);
}
}
return nResult;
}
XBinary::_MEMORY_MAP XMACH::getMemoryMap()
{
_MEMORY_MAP result={};
qint32 nIndex=0;
if(is64())
{
result.fileType=FT_MACH64;
result.mode=MODE_64;
}
else
{
result.fileType=FT_MACH32;
result.mode=MODE_32;
}
result.sArch=getArch();
result.bIsBigEndian=isBigEndian();
result.nRawSize=getSize();
QList<COMMAND_RECORD> listLC=getCommandRecords();
QList<SEGMENT_RECORD> listSegmentRecords=getSegmentRecords(&listLC);
int nCount=listSegmentRecords.count();
bool bImageAddressInit=false;
qint64 nMaxOffset=0;
qint64 nMaxAddress=0;
for(int i=0; i<nCount; i++)
{
QString sSegmentName=QString("%1(%2)['%3']").arg(tr("Segment")).arg(i).arg(listSegmentRecords.at(i).segname); // TODO Limit
// TODO Align
qint64 nFileOffset=listSegmentRecords.at(i).fileoff;
qint64 nVirtualAddress=listSegmentRecords.at(i).vmaddr;
qint64 nFileSize=listSegmentRecords.at(i).filesize;
qint64 nVirtualSize=listSegmentRecords.at(i).vmsize;
if(nFileSize)
{
XBinary::_MEMORY_RECORD record={};
record.type=MMT_LOADSECTION;
record.sName=sSegmentName;
record.nAddress=nVirtualAddress;
record.nSize=nFileSize;
record.nOffset=nFileOffset;
record.nIndex=nIndex++;
result.listRecords.append(record);
}
if(nVirtualSize>nFileSize)
{
XBinary::_MEMORY_RECORD record={};
record.type=MMT_LOADSECTION;
record.bIsVirtual=true;
record.sName=sSegmentName;
record.nAddress=nVirtualAddress+nFileSize;
record.nSize=nVirtualSize-nFileSize;
record.nOffset=-1;
record.nIndex=nIndex++;
result.listRecords.append(record);
}
if(!bImageAddressInit)
{
result.nBaseAddress=nVirtualAddress;
bImageAddressInit=true;
}
nMaxOffset=qMax(nMaxOffset,nFileOffset+nFileSize);
result.nBaseAddress=qMin(nVirtualAddress,result.nBaseAddress);
nMaxAddress=qMax(nVirtualAddress+nVirtualSize,nMaxAddress);
}
result.nImageSize=nMaxAddress-result.nBaseAddress;
return result;
}
qint64 XMACH::getEntryPointOffset(_MEMORY_MAP *pMemoryMap)
{
qint64 nResult=-1;
qint64 nAddress=getAddressOfEntryPoint();
if(nAddress!=-1)
{
nResult=addressToOffset(pMemoryMap,nAddress);
}
return nResult;
}
QList<XMACH::LIBRARY_RECORD> XMACH::getLibraryRecords()
{
QList<COMMAND_RECORD> listLC=getCommandRecords();
return getLibraryRecords(&listLC);
}
QList<XMACH::LIBRARY_RECORD> XMACH::getLibraryRecords(QList<XMACH::COMMAND_RECORD> *pList)
{
QList<LIBRARY_RECORD> listResult;
bool bIsBigEndian=isBigEndian();
QList<COMMAND_RECORD> listLCLibraries=getCommandRecords(XMACH_DEF::S_LC_LOAD_DYLIB,pList);
int nCount=listLCLibraries.count();
for(int i=0;i<nCount;i++)
{
LIBRARY_RECORD record={};
qint64 nOffset=listLCLibraries.at(i).nOffset;
qint64 nNameOffset=read_uint32(nOffset+8+offsetof(XMACH_DEF::dylib,name),bIsBigEndian);
record.sFullName=read_ansiString(nOffset+nNameOffset);
record.sName=record.sFullName.section("/",-1,-1);
record.timestamp=read_uint32(nOffset+8+offsetof(XMACH_DEF::dylib,timestamp),bIsBigEndian);
record.current_version=read_uint32(nOffset+8+offsetof(XMACH_DEF::dylib,current_version),bIsBigEndian);
record.compatibility_version=read_uint32(nOffset+8+offsetof(XMACH_DEF::dylib,compatibility_version),bIsBigEndian);
listResult.append(record);
}
return listResult;
}
XMACH::LIBRARY_RECORD XMACH::getLibraryRecordByName(QString sName, QList<XMACH::LIBRARY_RECORD> *pList)
{
LIBRARY_RECORD result={};
int nCount=pList->count();
for(int i=0;i<nCount;i++)
{
if(pList->at(i).sName==sName)
{
result=pList->at(i);
break;
}
}
return result;
}
bool XMACH::isLibraryRecordNamePresent(QString sName)
{
QList<XMACH::LIBRARY_RECORD> listLibraries=getLibraryRecords();
return isLibraryRecordNamePresent(sName,&listLibraries);
}
bool XMACH::isLibraryRecordNamePresent(QString sName, QList<XMACH::LIBRARY_RECORD> *pList)
{
bool bResult=false;
int nCount=pList->count();
for(int i=0;i<nCount;i++)
{
if(pList->at(i).sName==sName)
{
bResult=true;
break;
}
}
return bResult;
}
QList<XMACH::SEGMENT_RECORD> XMACH::getSegmentRecords()
{
QList<XMACH::COMMAND_RECORD> listCR=getCommandRecords();
return getSegmentRecords(&listCR);
}
QList<XMACH::SEGMENT_RECORD> XMACH::getSegmentRecords(QList<XMACH::COMMAND_RECORD> *pList)
{
QList<SEGMENT_RECORD> listResult;
bool bIs64=is64();
bool bIsBigEndian=isBigEndian();
if(bIs64)
{
QList<COMMAND_RECORD> listLCSegments=getCommandRecords(XMACH_DEF::S_LC_SEGMENT_64,pList);
int nCount=listLCSegments.count();
for(int i=0;i<nCount;i++)
{
qint64 nOffset=listLCSegments.at(i).nOffset;
SEGMENT_RECORD record={};
record.nStructOffset=nOffset+sizeof(XMACH_DEF::load_command);
read_array(nOffset+offsetof(XMACH_DEF::segment_command_64,segname),record.segname,sizeof(record.segname));
record.vmaddr=read_uint64(nOffset+offsetof(XMACH_DEF::segment_command_64,vmaddr),bIsBigEndian);
record.vmsize=read_uint64(nOffset+offsetof(XMACH_DEF::segment_command_64,vmsize),bIsBigEndian);
record.fileoff=read_uint64(nOffset+offsetof(XMACH_DEF::segment_command_64,fileoff),bIsBigEndian);
record.filesize=read_uint64(nOffset+offsetof(XMACH_DEF::segment_command_64,filesize),bIsBigEndian);
record.maxprot=read_int32(nOffset+offsetof(XMACH_DEF::segment_command_64,maxprot),bIsBigEndian);
record.initprot=read_int32(nOffset+offsetof(XMACH_DEF::segment_command_64,initprot),bIsBigEndian);
record.nsects=read_uint32(nOffset+offsetof(XMACH_DEF::segment_command_64,nsects),bIsBigEndian);
record.flags=read_uint32(nOffset+offsetof(XMACH_DEF::segment_command_64,flags),bIsBigEndian);
listResult.append(record);
}
}
else
{
QList<COMMAND_RECORD> listLCSegments=getCommandRecords(XMACH_DEF::S_LC_SEGMENT,pList);
int nCount=listLCSegments.count();
for(int i=0;i<nCount;i++)
{
qint64 nOffset=listLCSegments.at(i).nOffset;
SEGMENT_RECORD record={};
record.nStructOffset=nOffset+sizeof(XMACH_DEF::load_command);
read_array(nOffset+offsetof(XMACH_DEF::segment_command,segname),record.segname,sizeof(record.segname));
record.vmaddr=read_uint32(nOffset+offsetof(XMACH_DEF::segment_command,vmaddr),bIsBigEndian);
record.vmsize=read_uint32(nOffset+offsetof(XMACH_DEF::segment_command,vmsize),bIsBigEndian);
record.fileoff=read_uint32(nOffset+offsetof(XMACH_DEF::segment_command,fileoff),bIsBigEndian);
record.filesize=read_uint32(nOffset+offsetof(XMACH_DEF::segment_command,filesize),bIsBigEndian);
record.maxprot=read_int32(nOffset+offsetof(XMACH_DEF::segment_command,maxprot),bIsBigEndian);
record.initprot=read_int32(nOffset+offsetof(XMACH_DEF::segment_command,initprot),bIsBigEndian);
record.nsects=read_uint32(nOffset+offsetof(XMACH_DEF::segment_command,nsects),bIsBigEndian);
record.flags=read_uint32(nOffset+offsetof(XMACH_DEF::segment_command,flags),bIsBigEndian);
listResult.append(record);
}
}
return listResult;
}
QList<XMACH::SECTION_RECORD> XMACH::getSectionRecords()
{
QList<XMACH::COMMAND_RECORD> listCR=getCommandRecords();
return getSectionRecords(&listCR);
}
QList<XMACH::SECTION_RECORD> XMACH::getSectionRecords(QList<XMACH::COMMAND_RECORD> *pList)
{
QList<SECTION_RECORD> listResult;
bool bIs64=is64();
bool bIsBigEndian=isBigEndian();
if(bIs64)
{
QList<COMMAND_RECORD> listLCSegments=getCommandRecords(XMACH_DEF::S_LC_SEGMENT_64,pList);
int nCount=listLCSegments.count();
for(int i=0;i<nCount;i++)
{
qint64 nOffset=listLCSegments.at(i).nOffset;
int nNumberOfSections=read_uint32(nOffset+offsetof(XMACH_DEF::segment_command_64,nsects),bIsBigEndian);
nOffset+=sizeof(XMACH_DEF::segment_command_64);
for(int j=0;j<nNumberOfSections;j++)
{
SECTION_RECORD record={};
record.nStructOffset=nOffset;
read_array(nOffset+offsetof(XMACH_DEF::section_64,sectname),record.sectname,16);
read_array(nOffset+offsetof(XMACH_DEF::section_64,segname),record.segname,16);
record.addr=read_uint64(nOffset+offsetof(XMACH_DEF::section_64,addr),bIsBigEndian);
record.size=read_uint64(nOffset+offsetof(XMACH_DEF::section_64,size),bIsBigEndian);