获取本地网卡适配器信息

#include <Windows.h>
#include <IPHlpApi.h>
#include <stdio.h>

#pragma comment(lib, "IPHlpApi")
#pragma comment(lib, "ws2_32")

int main(int argc, char **argv)
{
PIP_ADAPTER_INFO pAdapterInfo = NULL;
ULONG ulLen = sizeof(IP_ADAPTER_INFO);
struct tm newtime;
char szBuffer[32];
errno_t error;

//为适配器结构申请内存
//pAdapterInfo = (PIP_ADAPTER_INFO)GlobalAlloc(GPTR, ulLen);
pAdapterInfo = (PIP_ADAPTER_INFO)HeapAlloc(GetProcessHeap(), 0, sizeof(IP_ADAPTER_INFO));
if (NULL == pAdapterInfo)
{
printf("Error allocating memory needed to call GetAdaptersInfo.\n");
return 1;
}

if (ERROR_BUFFER_OVERFLOW == GetAdaptersInfo(pAdapterInfo, &ulLen))
{
HeapFree(GetProcessHeap(), 0, pAdapterInfo);
pAdapterInfo = (PIP_ADAPTER_INFO)HeapAlloc(GetProcessHeap(), 0, ulLen);
if (NULL == pAdapterInfo)
{
printf("Error allocating memory needed to call GetAdaptersInfo.\n");
return 1;
}
}

//取得本地适配器结构信息
if (ERROR_SUCCESS != GetAdaptersInfo(pAdapterInfo, &ulLen))
{
printf("GetAdaptersInfo error!\n");
return 0;
}
if (NULL == pAdapterInfo)
{
printf("There is no adapters!\n");
return 0;
}

SetConsoleTitle(TEXT("本地网卡适配器信息"));

do
{
printf("ComboIndex:%d\n", pAdapterInfo->ComboIndex);
printf("Adapter Name:%s\n", pAdapterInfo->AdapterName);
printf("Adapter Desc:%s\n", pAdapterInfo->Description);
printf("Adapter Addr:");
for (size_t i = 0; i < pAdapterInfo->AddressLength; i++)
{
if (i == (pAdapterInfo->AddressLength - 1))
{
printf("%02X", (int)pAdapterInfo->Address[i]);
}
else
{
printf("%02X-", (int)pAdapterInfo->Address[i]);
}
}
printf("\n");
printf("Index:%d\n", pAdapterInfo->Index);
printf("Type:");
switch (pAdapterInfo->Type)
{
case MIB_IF_TYPE_OTHER:printf("Other\n"); break;
case MIB_IF_TYPE_ETHERNET:printf("Ethernet\n"); break;
case MIB_IF_TYPE_TOKENRING:printf("Token Ring\n"); break;
case MIB_IF_TYPE_FDDI:printf("FDDI\n"); break;
case MIB_IF_TYPE_PPP:printf("PPP\n"); break;
case MIB_IF_TYPE_LOOPBACK:printf("Lookback\n"); break;
case MIB_IF_TYPE_SLIP:printf("Slip\n"); break;
default:printf("Unknow type %ld\n", pAdapterInfo->Type); break;
}
printf("IP Address:%s\n", pAdapterInfo->IpAddressList.IpAddress.String);
printf("IP Mask:%s\n", pAdapterInfo->IpAddressList.IpMask.String);
printf("Gateway:%s\n", pAdapterInfo->GatewayList.IpAddress.String);

if (pAdapterInfo->DhcpEnabled)
{
printf("DHCP Enabled:Yes\n");
printf("DHCP Server:%s\n", pAdapterInfo->DhcpServer.IpAddress.String);
printf("Lease Obtained:");
error = _localtime32_s(&newtime, (__time32_t*)&pAdapterInfo->LeaseObtained);
if (error)
{
printf("Invalid Argument to _localtime32_s.\n");
}
else
{
error = asctime_s(szBuffer, 32, &newtime);
if (error)
{
printf("Invalid Argument to asctime_s.\n");
}
else
{
printf("%s", szBuffer);
}
}

printf("Lease Expires:");
error = _localtime32_s(&newtime, (__time32_t*)&pAdapterInfo->LeaseExpires);
if (error)
{
printf("Invalid Argument to _localtime32_s.\n");
}
else
{
error = asctime_s(szBuffer, 32, &newtime);
if (error)
{
printf("Invalid Argument to asctime_s.\n");
}
else
{
printf("%s", szBuffer);
}
}
}
else
{
printf("DHCP Enabled:No\n");
}

if (pAdapterInfo->HaveWins)
{
printf("Have Wins:Yes\n");
printf("Primary Wins Server:%s\n", pAdapterInfo->PrimaryWinsServer.IpAddress.String);
printf("Secondary Wins Server:%s\n", pAdapterInfo->SecondaryWinsServer.IpAddress.String);
}
else
{
printf("Have Wins:No\n");
}

printf("=================================================================\n");

pAdapterInfo = pAdapterInfo->Next;
} while (pAdapterInfo);

if (pAdapterInfo)
{
HeapFree(GetProcessHeap(), 0, pAdapterInfo);
}

return 0;
}