mirror of
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210 lines
12 KiB
C++
210 lines
12 KiB
C++
#ifndef _MEMDBG_MEMSEARCH_H
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#define _MEMDBG_MEMSEARCH_H
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// memsearch.h
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// 4/20/2014 jichi
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#include "memdbg/memdbg.h"
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#ifndef MEMDBG_NO_STL
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# include <functional>
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#endif // MEMDBG_NO_STL
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MEMDBG_BEGIN_NAMESPACE
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/// Estimated maximum size of the caller function, the same as ITH FindCallAndEntryAbs
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enum { MaximumFunctionSize = 0x800 };
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/// Offset added to the beginning of the searched address
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enum { MemoryPaddingOffset = 0x1000 };
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enum { MemoryAlignedStep = 0x10 };
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#ifndef MEMDBG_NO_STL
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/// Iterate address and return false if abort iteration.
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typedef std::function<bool (dword_t)> address_fun_t;
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typedef std::function<bool (dword_t, dword_t)> address2_fun_t;
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/**
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* Iterate all call and caller addresses
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* @param fun the first parameter is the address of the caller, and the second parameter is the address of the call itself
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* @return false if return early, and true if iterate all elements
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*/
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bool iterCallerAddress(const address2_fun_t &fun, dword_t funcAddr, dword_t funcInst, dword_t lowerBound, dword_t upperBound, dword_t callerSearchSize = MaximumFunctionSize, dword_t offset = MemoryPaddingOffset);
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bool iterCallerAddressAfterInt3(const address2_fun_t &fun, dword_t funcAddr, dword_t lowerBound, dword_t upperBound, dword_t callerSearchSize = MaximumFunctionSize, dword_t offset = MemoryPaddingOffset);
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bool iterUniqueCallerAddress(const address_fun_t &fun, dword_t funcAddr, dword_t funcInst, dword_t lowerBound, dword_t upperBound, dword_t callerSearchSize = MaximumFunctionSize, dword_t offset = MemoryPaddingOffset);
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bool iterUniqueCallerAddressAfterInt3(const address_fun_t &fun, dword_t funcAddr, dword_t lowerBound, dword_t upperBound, dword_t callerSearchSize = MaximumFunctionSize, dword_t offset = MemoryPaddingOffset);
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/**
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* Iterate all call and caller addresses
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* @param fun the parameter is the address of the call
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* @return false if return early, and true if iterate all elements
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*/
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bool iterFarCallAddress(const address_fun_t &fun, dword_t funcAddr, dword_t lowerBound, dword_t upperBound, dword_t offset = MemoryPaddingOffset, dword_t range = 0);
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bool iterNearCallAddress(const address_fun_t &fun, dword_t funcAddr, dword_t lowerBound, dword_t upperBound, dword_t offset = MemoryPaddingOffset, dword_t range = 0);
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bool iterLongJumpAddress(const address_fun_t &fun, dword_t funcAddr, dword_t lowerBound, dword_t upperBound, dword_t offset = MemoryPaddingOffset, dword_t range = 0);
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bool iterShortJumpAddress(const address_fun_t &fun, dword_t funcAddr, dword_t lowerBound, dword_t upperBound, dword_t offset = MemoryPaddingOffset, dword_t range = 0);
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bool iterAlignedNearCallerAddress(const address_fun_t &fun, dword_t funcAddr, dword_t lowerBound, dword_t upperBound, dword_t callerSearchSize = MaximumFunctionSize, dword_t offset = MemoryPaddingOffset);
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bool iterFindBytes(const address_fun_t &fun, const void *pattern, dword_t patternSize, dword_t lowerBound, dword_t upperBound);
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bool iterMatchBytes(const address_fun_t &fun, const void *pattern, dword_t patternSize, dword_t lowerBound, dword_t upperBound);
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#endif // MEMDBG_NO_STL
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/**
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* Return the absolute address of the far caller function
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* The same as ITH FindCallAndEntryAbs().
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*
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* @param funcAddr callee function address
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* @param funcInst the machine code where the caller function starts
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* @param lowerBound the lower memory address to search
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* @param upperBound the upper memory address to search
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* @param* callerSearchSize the maximum size of caller
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* @return the caller absolute address if succeed or 0 if fail
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*
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* Example funcInst:
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* 0x55: push ebp
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* 0x81,0xec: sub esp XXOO (0xec81)
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* 0x83,0xec: sub esp XXOO (0xec83)
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*/
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uintptr_t findCallerAddress(uintptr_t funcAddr, dword_t funcInst, uintptr_t lowerBound, uintptr_t upperBound, uintptr_t callerSearchSize = MaximumFunctionSize, uintptr_t offset = MemoryPaddingOffset);
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dword_t findCallerAddressAfterInt3(dword_t funcAddr, dword_t lowerBound, dword_t upperBound, dword_t callerSearchSize = MaximumFunctionSize, dword_t offset = MemoryPaddingOffset);
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dword_t findLastCallerAddress(dword_t funcAddr, dword_t funcInst, dword_t lowerBound, dword_t upperBound, dword_t callerSearchSize = MaximumFunctionSize, dword_t offset = MemoryPaddingOffset);
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dword_t findLastCallerAddressAfterInt3(dword_t funcAddr, dword_t lowerBound, dword_t upperBound, dword_t callerSearchSize = MaximumFunctionSize, dword_t offset = MemoryPaddingOffset);
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dword_t findMultiCallerAddress(dword_t funcAddr, const dword_t funcInsts[], dword_t funcInstCount, dword_t lowerBound, dword_t upperBound, dword_t callerSearchSize = MaximumFunctionSize, dword_t offset = MemoryPaddingOffset);
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dword_t findAlignedNearCallerAddress(dword_t funcAddr, dword_t lowerBound, dword_t upperBound, dword_t callerSearchSize = MaximumFunctionSize, dword_t offset = MemoryPaddingOffset);
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dword_t findLastAlignedNearCallerAddress(dword_t funcAddr, dword_t lowerBound, dword_t upperBound, dword_t callerSearchSize = MaximumFunctionSize, dword_t offset = MemoryPaddingOffset);
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/**
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* Return the absolute address of the long jump (not short jump) instruction address.
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* The same as ITH FindCallOrJmpAbs(false).
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*
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* @param funcAddr callee function address
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* @param lowerBound the lower memory address to search
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* @param upperBound the upper memory address to search
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* @param* offset the relative address to search from the lowerBound
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* @param* range the relative size to search, use lowerBound - upperBound when zero
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* @return the call instruction address if succeed or 0 if fail
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*/
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dword_t findLongJumpAddress(dword_t funcAddr, dword_t lowerBound, dword_t upperBound, dword_t offset = MemoryPaddingOffset, dword_t range = 0);
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dword_t findShortJumpAddress(dword_t funcAddr, dword_t lowerBound, dword_t upperBound, dword_t offset = MemoryPaddingOffset, dword_t range = 0);
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dword_t findLastLongJumpAddress(dword_t funcAddr, dword_t lowerBound, dword_t upperBound, dword_t offset = MemoryPaddingOffset, dword_t range = 0);
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dword_t findLastShortJumpAddress(dword_t funcAddr, dword_t lowerBound, dword_t upperBound, dword_t offset = MemoryPaddingOffset, dword_t range = 0);
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/**
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* Return the absolute address of the far call (inter-module) instruction address.
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* The same as ITH FindCallOrJmpAbs(true).
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*
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* @param funcAddr callee function address
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* @param lowerBound the lower memory address to search
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* @param upperBound the upper memory address to search
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* @param* offset the relative address to search from the lowerBound
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* @param* range the relative size to search, use lowerBound - upperBound when zero
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* @return the call instruction address if succeed or 0 if fail
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*/
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dword_t findFarCallAddress(dword_t funcAddr, dword_t lowerBound, dword_t upperBound, dword_t offset = MemoryPaddingOffset, dword_t range = 0);
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dword_t findLastFarCallAddress(dword_t funcAddr, dword_t lowerBound, dword_t upperBound, dword_t offset = MemoryPaddingOffset, dword_t range = 0);
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/// Near call (intra-module)
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dword_t findNearCallAddress(dword_t funcAddr, dword_t lowerBound, dword_t upperBound, dword_t offset = MemoryPaddingOffset, dword_t range = 0);
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dword_t findLastNearCallAddress(dword_t funcAddr, dword_t lowerBound, dword_t upperBound, dword_t offset = MemoryPaddingOffset, dword_t range = 0);
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/// Default to far call, for backward compatibility
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inline dword_t findCallAddress(dword_t funcAddr, dword_t lowerBound, dword_t upperBound, dword_t offset = MemoryPaddingOffset, dword_t range = 0)
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{ return findFarCallAddress(funcAddr, lowerBound, upperBound, offset, range); }
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inline dword_t findLastCallAddress(dword_t funcAddr, dword_t lowerBound, dword_t upperBound, dword_t offset = MemoryPaddingOffset, dword_t range = 0)
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{ return findLastFarCallAddress(funcAddr, lowerBound, upperBound, offset, range); }
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/// Default to long jump, for backward compatibility
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inline dword_t findJumpAddress(dword_t funcAddr, dword_t lowerBound, dword_t upperBound, dword_t offset = MemoryPaddingOffset, dword_t range = 0)
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{ return findLongJumpAddress(funcAddr, lowerBound, upperBound, offset, range); }
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inline dword_t findLastJumpAddress(dword_t funcAddr, dword_t lowerBound, dword_t upperBound, dword_t offset = MemoryPaddingOffset, dword_t range = 0)
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{ return findLastLongJumpAddress(funcAddr, lowerBound, upperBound, offset, range); }
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/// Push value >= 0xff
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dword_t findPushDwordAddress(dword_t value, dword_t lowerBound, dword_t upperBound);
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/// Push value <= 0xff
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dword_t findPushByteAddress(byte_t value, dword_t lowerBound, dword_t upperBound);
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/// Default to push DWORD
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inline dword_t findPushAddress(dword_t value, dword_t lowerBound, dword_t upperBound)
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{ return findPushDwordAddress(value, lowerBound, upperBound); }
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uint64_t findleaaddr(uint64_t addr,uint64_t start,uint64_t end);
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/**
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* Return the enclosing function address outside the given address.
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* The same as ITH FindEntryAligned().
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* "Aligned" here means the function must be after in3 (0xcc) or nop (0x90).
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*
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* If the function does NOT exist, this function might raise without admin privilege.
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* It is safer to wrap this function within SEH.
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*
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* @param addr address within th function
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* @param searchSize max backward search size
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* @return beginning address of the function
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* @exception illegal memory access
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*/
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uintptr_t findEnclosingAlignedFunction(uintptr_t addr, uintptr_t searchSize = MaximumFunctionSize);
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uintptr_t findEnclosingAlignedFunction_strict(uintptr_t addr, uintptr_t searchSize = MaximumFunctionSize);
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dword_t findEnclosingFunctionBeforeDword(dword_t sig, dword_t addr, dword_t searchSize = MaximumFunctionSize, dword_t step = MemoryAlignedStep);
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dword_t findEnclosingFunctionAfterDword(dword_t sig, dword_t addr, dword_t searchSize = MaximumFunctionSize, dword_t step = MemoryAlignedStep);
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dword_t findEnclosingFunctionAfterInt3(dword_t addr, dword_t searchSize = MaximumFunctionSize, dword_t step = MemoryAlignedStep);
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dword_t findEnclosingFunctionAfterNop(dword_t addr, dword_t searchSize = MaximumFunctionSize, dword_t step = MemoryAlignedStep);
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/**
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* Return the address of the first matched pattern.
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* Return 0 if failed. The return result is ambiguous if the pattern address is 0.
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* This function simpily traverse all bytes in memory range and would raise
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* if no access to the region.
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*
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* @param pattern array of bytes to match
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* @param patternSize size of the pattern array
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* @param lowerBound search start address
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* @param upperBound search stop address
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* @return absolute address
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* @exception illegal memory access
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*/
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uintptr_t findBytes(const void *pattern, uintptr_t patternSize, uintptr_t lowerBound, uintptr_t upperBound);
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// User space: 0 - 2G (0 - 0x7ffeffff)
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// Kernel space: 2G - 4G (0x80000000 - 0xffffffff)
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//
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// http://msdn.microsoft.com/en-us/library/windows/hardware/ff560042%28v=vs.85%29.aspx
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// http://codesequoia.wordpress.com/2008/11/28/understand-process-address-space-usage/
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// http://stackoverflow.com/questions/17244912/open-process-with-debug-privileges-and-read-write-memory
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enum MemoryRange : dword_t {
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UserMemoryStartAddress = 0, UserMemoryStopAddress = 0x7ffeffff
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, KernelMemoryStartAddress = 0x80000000, KernelMemoryStopAddress = 0xffffffff
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, MappedMemoryStartAddress = 0x01000000
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, MemoryStartAddress = UserMemoryStartAddress, MemoryStopAddress = UserMemoryStopAddress
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};
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#if 0 // not used
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/**
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* Traverse memory continues pages and return the address of the first matched pattern.
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*
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* @param pattern array of bytes to match
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* @param patternSize size of the pattern array
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* @param lowerBound search start address
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* @param upperBound search stop address
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* @param* search search all pages (SearchAll) or stop on first illegal access (SearchFirst)
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* @return absolute address
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*/
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enum SearchType : byte_t { SearchAll = 0 , SearchFirst };
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dword_t findBytesInPages(const void *pattern, dword_t patternSize,
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dword_t lowerBound = MemoryStartAddress, dword_t upperBound = MemoryStopAddress,
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SearchType search = SearchAll);
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dword_t matchBytesInPages(const void *pattern, dword_t patternSize,
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dword_t lowerBound = MemoryStartAddress, dword_t upperBound = MemoryStopAddress,
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byte_t wildcard = WidecardByte, SearchType search = SearchAll);
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#endif // 0
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MEMDBG_END_NAMESPACE
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#endif // _MEMDBG_MEMSEARCH_H
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