Cześć,
Potrzebuję zwrócić adres dla danej wartości array of bytes.
Po uruchomieniu dostaje błąd:
"terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc"
Podając lokalny pid (GetCurrentProcessId();) - działa, lecz szukając po innych pogramach - błąd.
W czym może być problem?
Mój kod:
#include <Windows.h>
#include <iostream>
#include <string>
#include <vector>
char* GetAddressOfData(DWORD pid, const char *data, size_t len)
{
HANDLE process = OpenProcess(PROCESS_VM_READ | PROCESS_QUERY_INFORMATION, FALSE, pid);
if(process)
{
SYSTEM_INFO si;
GetSystemInfo(&si);
MEMORY_BASIC_INFORMATION info;
std::vector<char> chunk;
char* p = 0;
while(p < si.lpMaximumApplicationAddress)
{
if(VirtualQueryEx(process, p, &info, sizeof(info)) == sizeof(info))
{
p = (char*)info.BaseAddress;
chunk.resize(info.RegionSize);
SIZE_T bytesRead;
if(ReadProcessMemory(process, p, &chunk[0], info.RegionSize, &bytesRead))
{
for(size_t i = 0; i < (bytesRead - len); ++i)
{
if(memcmp(data, &chunk[i], len) == 0)
{
return (char*)p + i;
}
}
}
p += info.RegionSize;
}
}
}
return 0;
}
int main()
{
const char someData[] = "SomeDataToFind";
HWND handle_windows = FindWindowEx(0, 0, "Notepad", 0);
DWORD pid;
GetWindowThreadProcessId(handle_windows, &pid);
char* ret = GetAddressOfData(pid, someData, sizeof(someData));
if(ret)
{
std::cout << "Found: " << (void*)ret << "\n";
}
else
{
std::cout << "Not found\n";
}
return 0;
}