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872天前#include <winsock2.h> |
#include <iphlpapi.h> |
#pragma comment(lib, "IPHLPAPI.lib") |
bool GetMacByGetAdaptersAddresses(std::string& macOUT) |
{ |
bool ret = false; |
ULONG outBufLen = sizeof(IP_ADAPTER_ADDRESSES); |
PIP_ADAPTER_ADDRESSES pAddresses = (IP_ADAPTER_ADDRESSES*)malloc(outBufLen); |
if (pAddresses == NULL) |
return false; |
// Make an initial call to GetAdaptersAddresses to get the necessary size into the ulOutBufLen variable |
if (GetAdaptersAddresses(AF_UNSPEC, 0, NULL, pAddresses, &outBufLen) == ERROR_BUFFER_OVERFLOW) |
{ |
free(pAddresses); |
pAddresses = (IP_ADAPTER_ADDRESSES*)malloc(outBufLen); |
if (pAddresses == NULL) |
return false; |
} |
if (GetAdaptersAddresses(AF_UNSPEC, 0, NULL, pAddresses, &outBufLen) == NO_ERROR) |
{ |
// If successful, output some information from the data we received |
for (PIP_ADAPTER_ADDRESSES pCurrAddresses = pAddresses; pCurrAddresses != NULL; pCurrAddresses = pCurrAddresses->Next) |
{ |
// 确保MAC地址的长度为 00-00-00-00-00-00 |
if (pCurrAddresses->PhysicalAddressLength != 6) |
continue; |
char acMAC[32]; |
sprintf_s(acMAC, "%02X-%02X-%02X-%02X-%02X-%02X", |
int(pCurrAddresses->PhysicalAddress[0]), |
int(pCurrAddresses->PhysicalAddress[1]), |
int(pCurrAddresses->PhysicalAddress[2]), |
int(pCurrAddresses->PhysicalAddress[3]), |
int(pCurrAddresses->PhysicalAddress[4]), |
int(pCurrAddresses->PhysicalAddress[5])); |
macOUT = acMAC; |
ret = true; |
break; |
} |
} |
free(pAddresses); |
return ret; |
} |
