ZeroTierOne/diagnostic/dump_interfaces_win32.cpp

67 lines
No EOL
2.3 KiB
C++

#include "diagnostic/dump_interfaces.hpp"
#include <winsock2.h>
#include <windows.h>
#include <iphlpapi.h>
#include <ws2tcpip.h>
#include <string>
void dumpInterfaces(std::stringstream& dump) {
ULONG buffLen = 16384;
PIP_ADAPTER_ADDRESSES addresses;
ULONG ret = 0;
do {
addresses = (PIP_ADAPTER_ADDRESSES)malloc(buffLen);
ret = GetAdaptersAddresses(AF_UNSPEC, 0, NULL, addresses, &buffLen);
if (ret == ERROR_BUFFER_OVERFLOW) {
free(addresses);
addresses = NULL;
}
else {
break;
}
} while (ret == ERROR_BUFFER_OVERFLOW);
int i = 0;
if (ret == NO_ERROR) {
PIP_ADAPTER_ADDRESSES curAddr = addresses;
while (curAddr) {
dump << "Interface " << i << "\n-----------\n";
dump << "Name: " << curAddr->AdapterName << "\n";
dump << "MTU: " << curAddr->Mtu << "\n";
char macBuffer[64] = {};
sprintf(macBuffer, "%02x:%02x:%02x:%02x:%02x:%02x",
curAddr->PhysicalAddress[0],
curAddr->PhysicalAddress[1],
curAddr->PhysicalAddress[2],
curAddr->PhysicalAddress[3],
curAddr->PhysicalAddress[4],
curAddr->PhysicalAddress[5]);
dump << "MAC: " << macBuffer << "\n";
dump << "Type: " << curAddr->IfType << "\n";
dump << "Addresses:" << "\n";
PIP_ADAPTER_UNICAST_ADDRESS pUnicast = NULL;
pUnicast = curAddr->FirstUnicastAddress;
if (pUnicast) {
for (int j = 0; pUnicast != NULL; ++j) {
char buf[128] = {};
DWORD bufLen = 128;
LPSOCKADDR a = pUnicast->Address.lpSockaddr;
WSAAddressToStringA(
pUnicast->Address.lpSockaddr,
pUnicast->Address.iSockaddrLength,
NULL,
buf,
&bufLen
);
dump << buf << "\n";
pUnicast = pUnicast->Next;
}
}
dump << "\n";
curAddr = curAddr->Next;
}
}
if (addresses) {
free(addresses);
addresses = NULL;
}
}