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Dexter retrieve active network interface IP address snippet
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//https://github.com/twelvesec/dexter | |
//GNU General Public License v3.0 | |
//@maldevel | |
//... | |
std::string libsysteminfo::get_active_netface_ip(void) { | |
std::string ipaddress = ""; | |
DWORD size = 0; | |
ULONG result = 0; | |
PIP_ADAPTER_ADDRESSES aAddr = NULL; | |
PIP_ADAPTER_ADDRESSES aAddrIndex = NULL; | |
PIP_ADAPTER_UNICAST_ADDRESS aAddrUnicast = NULL; | |
WSADATA wsaData; | |
WCHAR *buf; | |
unsigned long bufSize = 50; //xxx.xxx.xxx.xxx | |
if ((result = GetAdaptersAddresses(0, 0, 0, 0, &size)) != ERROR_BUFFER_OVERFLOW) { | |
return ""; | |
} | |
if ((aAddr = (PIP_ADAPTER_ADDRESSES)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size)) == NULL) { | |
return ""; | |
} | |
if (GetAdaptersAddresses(AF_INET, GAA_FLAG_INCLUDE_PREFIX, 0, aAddr, &size) != NO_ERROR) { | |
HeapFree(GetProcessHeap(), 0, aAddr); | |
aAddr = NULL; | |
return ""; | |
} | |
if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0) { | |
HeapFree(GetProcessHeap(), 0, aAddr); | |
aAddr = NULL; | |
return ""; | |
} | |
aAddrIndex = aAddr; | |
std::wstring tmp; | |
while (aAddrIndex) { | |
if ((aAddrIndex->IfType == 6 || aAddrIndex->IfType == 71) && aAddrIndex->OperStatus == 1 && | |
std::wstring(aAddrIndex->Description).find(L"Hyper-V") == std::string::npos && | |
std::wstring(aAddrIndex->Description).find(L"VirtualBox") == std::string::npos && | |
std::wstring(aAddrIndex->Description).find(L"VMware") == std::string::npos) { | |
if ((aAddrUnicast = aAddrIndex->FirstUnicastAddress) != NULL) { | |
if ((buf = (WCHAR*)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, bufSize * sizeof(WCHAR))) == NULL) { | |
continue; | |
} | |
if (WSAAddressToStringW(aAddrUnicast->Address.lpSockaddr, | |
aAddrUnicast->Address.iSockaddrLength, NULL, buf, &bufSize) == 0) { | |
tmp += std::wstring(buf) + L" "; | |
HeapFree(GetProcessHeap(), 0, buf); | |
buf = NULL; | |
} | |
} | |
} | |
aAddrIndex = aAddrIndex->Next; | |
} | |
HeapFree(GetProcessHeap(), 0, aAddr); | |
aAddr = NULL; | |
WSACleanup(); | |
tmp = tmp.substr(0, tmp.size() - 1); | |
ipaddress = std::string(tmp.begin(), tmp.end()); | |
return ipaddress; | |
} |
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