IpHlpApi MSDN

moltak 2010. 7. 4. 22:31

2010. 7. 4. 22:31

iphlpapi 라이브러리의 msdn 소스 입니다.

굉장히 좋네요.

NIC 이름과 설명 뿐만 아니라 아이피 NDIS 버젼등등 많은 정보가 나옵니다.

#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#pragma comment(lib, "iphlpapi.lib")
#pragma comment(lib, "ws2_32.lib")

#include <windows.h>

#include <winsock2.h>
#include <ws2tcpip.h>

#include <iphlpapi.h>

#include <stdio.h>
#include <time.h>

#define MALLOC(x) HeapAlloc(GetProcessHeap(), 0, (x))
#define FREE(x) HeapFree(GetProcessHeap(), 0, (x))
/* Note: could also use malloc() and free() */

int main()
{

/* Some general variables */
	ULONG ulOutBufLen;
	DWORD dwRetVal;
	int i;

/* variables used for GetNetworkParams */
	FIXED_INFO *pFixedInfo;
	IP_ADDR_STRING *pIPAddr;

/* variables used for GetAdapterInfo */
	IP_ADAPTER_INFO *pAdapterInfo;
	IP_ADAPTER_INFO *pAdapter;

/* variables used to print DHCP time info */
	struct tm newtime;
	char buffer[32];
	errno_t error;

/* variables used for GetInterfaceInfo */
	IP_INTERFACE_INFO *pInterfaceInfo;

/* variables used for GetIpAddrTable */
	MIB_IPADDRTABLE *pIPAddrTable;
	DWORD dwSize;
	IN_ADDR IPAddr;
	char *strIPAddr;

/* variables used for AddIpAddress */
	UINT iaIPAddress;
	UINT imIPMask;
	ULONG NTEContext;
	ULONG NTEInstance;

/* variables used for GetIpStatistics */
	MIB_IPSTATS *pStats;

/* variables used for GetTcpStatistics */
	MIB_TCPSTATS *pTCPStats;

printf("------------------------\n");
	printf("This is GetNetworkParams\n");
	printf("------------------------\n");

pFixedInfo = (FIXED_INFO *) MALLOC(sizeof (FIXED_INFO));
	if (pFixedInfo == NULL) {
		printf("Error allocating memory needed to call GetNetworkParams\n");
		return 1;
	}
	ulOutBufLen = sizeof (FIXED_INFO);

if (GetNetworkParams(pFixedInfo, &ulOutBufLen) == ERROR_BUFFER_OVERFLOW) {
		FREE(pFixedInfo);
		pFixedInfo = (FIXED_INFO *) MALLOC(ulOutBufLen);
		if (pFixedInfo == NULL) {
			printf("Error allocating memory needed to call GetNetworkParams\n");
			return 1;
		}
	}

if (dwRetVal = GetNetworkParams(pFixedInfo, &ulOutBufLen) != NO_ERROR) {
		printf("GetNetworkParams failed with error %d\n", dwRetVal);
		if (pFixedInfo)
			FREE(pFixedInfo);
		return 1;
	} else {
		printf("\tHost Name: %s\n", pFixedInfo->HostName);
		printf("\tDomain Name: %s\n", pFixedInfo->DomainName);
		printf("\tDNS Servers:\n");
		printf("\t\t%s\n", pFixedInfo->DnsServerList.IpAddress.String);

pIPAddr = pFixedInfo->DnsServerList.Next;
		while (pIPAddr) {
			printf("\t\t%s\n", pIPAddr->IpAddress.String);
			pIPAddr = pIPAddr->Next;
		}

printf("\tNode Type: ");
		switch (pFixedInfo->NodeType) {
		case 1:
			printf("%s\n", "Broadcast");
			break;
		case 2:
			printf("%s\n", "Peer to peer");
			break;
		case 4:
			printf("%s\n", "Mixed");
			break;
		case 8:
			printf("%s\n", "Hybrid");
			break;
		default:
			printf("\n");
		}

printf("\tNetBIOS Scope ID: %s\n", pFixedInfo->ScopeId);

if (pFixedInfo->EnableRouting)
			printf("\tIP Routing Enabled: Yes\n");
		else
			printf("\tIP Routing Enabled: No\n");

if (pFixedInfo->EnableProxy)
			printf("\tWINS Proxy Enabled: Yes\n");
		else
			printf("\tWINS Proxy Enabled: No\n");

if (pFixedInfo->EnableDns)
			printf("\tNetBIOS Resolution Uses DNS: Yes\n");
		else
			printf("\tNetBIOS Resolution Uses DNS: No\n");
	}

/* Free allocated memory no longer needed */
	if (pFixedInfo) {
		FREE(pFixedInfo);
		pFixedInfo = NULL;
	}

printf("------------------------\n");
	printf("This is GetAdaptersInfo\n");
	printf("------------------------\n");

pAdapterInfo = (IP_ADAPTER_INFO *) MALLOC(sizeof (IP_ADAPTER_INFO));
	if (pAdapterInfo == NULL) {
		printf("Error allocating memory needed to call GetAdapterInfo\n");
		return 1;
	}
	ulOutBufLen = sizeof (IP_ADAPTER_INFO);

if (GetAdaptersInfo(pAdapterInfo, &ulOutBufLen) == ERROR_BUFFER_OVERFLOW) {
		FREE(pAdapterInfo);
		pAdapterInfo = (IP_ADAPTER_INFO *) MALLOC(ulOutBufLen);
		if (pAdapterInfo == NULL) {
			printf("Error allocating memory needed to call GetAdapterInfo\n");
			return 1;
		}
	}

if ((dwRetVal = GetAdaptersInfo(pAdapterInfo, &ulOutBufLen)) != NO_ERROR) {
		printf("GetAdaptersInfo failed with error %d\n", dwRetVal);
		if (pAdapterInfo)
			FREE(pAdapterInfo);
		return 1;
	}

pAdapter = pAdapterInfo;
	while (pAdapter) {
		printf("\tAdapter Name: \t%s\n", pAdapter->AdapterName);
		printf("\tAdapter Desc: \t%s\n", pAdapter->Description);
		printf("\tAdapter Addr: \t");
		for (i = 0; i < (int) pAdapter->AddressLength; i++) {
			if (i == (pAdapter->AddressLength - 1))
				printf("%.2X\n", (int) pAdapter->Address[i]);
			else
				printf("%.2X-", (int) pAdapter->Address[i]);
		}
		printf("\tIP Address: \t%s\n",
			pAdapter->IpAddressList.IpAddress.String);
		printf("\tIP Mask: \t%s\n", pAdapter->IpAddressList.IpMask.String);

printf("\tGateway: \t%s\n", pAdapter->GatewayList.IpAddress.String);
		printf("\t***\n");

if (pAdapter->DhcpEnabled) {
			printf("\tDHCP Enabled: \tYes\n");
			printf("\tDHCP Server: \t%s\n",
				pAdapter->DhcpServer.IpAddress.String);

printf("\tLease Obtained: ");
			/* Display local time */
			error = _localtime32_s(&newtime, (__time32_t*) &pAdapter->LeaseObtained);
			if (error)
				printf("\tInvalid Argument to _localtime32_s\n");

else {
				// Convert to an ASCII representation 
				error = asctime_s(buffer, 32, &newtime);
				if (error)
					printf("Invalid Argument to asctime_s\n");
				else
					/* asctime_s returns the string terminated by \n\0 */
					printf("%s", buffer);
			}

printf("\tLease Expires:  ");
			error = _localtime32_s(&newtime, (__time32_t*) &pAdapter->LeaseExpires);
			if (error)
				printf("Invalid Argument to _localtime32_s\n");
			else {
				// Convert to an ASCII representation 
				error = asctime_s(buffer, 32, &newtime);
				if (error)
					printf("Invalid Argument to asctime_s\n");
				else
					/* asctime_s returns the string terminated by \n\0 */
					printf("%s", buffer);
			}
		} else
			printf("\tDHCP Enabled: \tNo\n");

if (pAdapter->HaveWins) {
			printf("\tHave Wins: \tYes\n");
			printf("\tPrimary Wins Server: \t%s\n",
				pAdapter->PrimaryWinsServer.IpAddress.String);
			printf("\tSecondary Wins Server: \t%s\n",
				pAdapter->SecondaryWinsServer.IpAddress.String);
		} else
			printf("\tHave Wins: \tNo\n");

printf("\n");
		pAdapter = pAdapter->Next;
	}

printf("------------------------\n");
	printf("This is GetInterfaceInfo\n");
	printf("------------------------\n");

pInterfaceInfo = (IP_INTERFACE_INFO *) MALLOC(sizeof (IP_INTERFACE_INFO));
	if (pInterfaceInfo == NULL) {
		printf("Error allocating memory needed to call GetInterfaceInfo\n");
		return 1;
	}
	ulOutBufLen = sizeof (IP_INTERFACE_INFO);
	if (GetInterfaceInfo(pInterfaceInfo, &ulOutBufLen) ==
		ERROR_INSUFFICIENT_BUFFER) {
			FREE(pInterfaceInfo);
			pInterfaceInfo = (IP_INTERFACE_INFO *) MALLOC(ulOutBufLen);
			if (pInterfaceInfo == NULL) {
				printf("Error allocating memory needed to call GetInterfaceInfo\n");
				return 1;
			}
			printf("\t The size needed for the output buffer ulLen = %ld\n",
				ulOutBufLen);
	}

if ((dwRetVal = GetInterfaceInfo(pInterfaceInfo, &ulOutBufLen)) == NO_ERROR) {
		printf("\tNum Adapters: %ld\n\n", pInterfaceInfo->NumAdapters);
		for (i = 0; i < (int) pInterfaceInfo->NumAdapters; i++) {
			printf("\tAdapter Index[%d]: %ld\n", i,
				pInterfaceInfo->Adapter[i].Index);
			printf("\tAdapter Name[%d]:  %ws\n\n", i,
				pInterfaceInfo->Adapter[i].Name);
		}
		printf("GetInterfaceInfo call succeeded.\n");
	} else {
		LPVOID lpMsgBuf = NULL;

if (FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, dwRetVal, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),       // Default language
			(LPTSTR) & lpMsgBuf, 0, NULL)) {
				printf("\tError: %s", lpMsgBuf);
		}
		LocalFree(lpMsgBuf);
	}

/* If DHCP enabled, release and renew the IP address */
	/* THIS WORKS BUT IT TAKES A LONG TIME AND INTERRUPTS NET CONNECTIONS */
	if (pAdapterInfo->DhcpEnabled && pInterfaceInfo->NumAdapters) {
		printf("Calling IpReleaseAddress for Adapter[%d]\n", 0);
		if ((dwRetVal =
			IpReleaseAddress(&pInterfaceInfo->Adapter[0])) == NO_ERROR) {
				printf("Ip Release succeeded.\n");
		}
		if ((dwRetVal =
			IpRenewAddress(&pInterfaceInfo->Adapter[0])) == NO_ERROR) {
				printf("Ip Renew succeeded.\n");
		}
	}

/* Free allocated memory no longer needed */
	if (pAdapterInfo) {
		FREE(pAdapterInfo);
		pAdapterInfo = NULL;
	}
	if (pInterfaceInfo) {
		FREE(pInterfaceInfo);
		pInterfaceInfo = NULL;
	}

printf("----------------------\n");
	printf("This is GetIpAddrTable\n");
	printf("----------------------\n");

pIPAddrTable = (MIB_IPADDRTABLE *) MALLOC(sizeof (MIB_IPADDRTABLE));
	if (pIPAddrTable == NULL) {
		printf("Error allocating memory needed to call GetIpAddrTable\n");
		return 1;
	}
	dwSize = 0;
	IPAddr.S_un.S_addr = ntohl(pIPAddrTable->table[1].dwAddr);
	strIPAddr = inet_ntoa(IPAddr);

if (GetIpAddrTable(pIPAddrTable, &dwSize, 0) == ERROR_INSUFFICIENT_BUFFER) {
		FREE(pIPAddrTable);
		pIPAddrTable = (MIB_IPADDRTABLE *) MALLOC(dwSize);
		if (pIPAddrTable == NULL) {
			printf("Error allocating memory needed to call GetIpAddrTable\n");
			return 1;
		}
	}

if ((dwRetVal = GetIpAddrTable(pIPAddrTable, &dwSize, 0)) != NO_ERROR) {
		printf("GetIpAddrTable failed with error %d\n", dwRetVal);
		if (pIPAddrTable)
			FREE(pIPAddrTable);
		return 1;
	}

printf("\tNum Entries: %ld\n", pIPAddrTable->dwNumEntries);
	for (i = 0; i < (int) pIPAddrTable->dwNumEntries; i++) {
		printf("\n\tInterface Index[%d]:\t%ld\n", i,
			pIPAddrTable->table[i].dwIndex);
		IPAddr.S_un.S_addr = (u_long) pIPAddrTable->table[i].dwAddr;
		printf("\tIP Address[%d]:     \t%s\n", i, inet_ntoa(IPAddr));
		IPAddr.S_un.S_addr = (u_long) pIPAddrTable->table[i].dwMask;
		printf("\tSubnet Mask[%d]:    \t%s\n", i, inet_ntoa(IPAddr));
		IPAddr.S_un.S_addr = (u_long) pIPAddrTable->table[i].dwBCastAddr;
		printf("\tBroadCast[%d]:      \t%s (%ld%)\n", i, inet_ntoa(IPAddr),
			pIPAddrTable->table[i].dwBCastAddr);
		printf("\tReassembly size[%d]:\t%ld\n", i,
			pIPAddrTable->table[i].dwReasmSize);
		printf("\tAddress Index[%d]:  \t%ld\n", i,
			pIPAddrTable->table[i].dwIndex);
		printf("\tType and State[%d]:", i);
		if (pIPAddrTable->table[i].wType & MIB_IPADDR_PRIMARY)
			printf("\tPrimary IP Address");
		if (pIPAddrTable->table[i].wType & MIB_IPADDR_DYNAMIC)
			printf("\tDynamic IP Address");
		if (pIPAddrTable->table[i].wType & MIB_IPADDR_DISCONNECTED)
			printf("\tAddress is on disconnected interface");
		if (pIPAddrTable->table[i].wType & MIB_IPADDR_DELETED)
			printf("\tAddress is being deleted");
		if (pIPAddrTable->table[i].wType & MIB_IPADDR_TRANSIENT)
			printf("\tTransient address");
		printf("\n");
	}

iaIPAddress = inet_addr("192.168.0.27");
	imIPMask = inet_addr("255.255.255.0");

NTEContext = 0;
	NTEInstance = 0;

if ((dwRetVal = AddIPAddress(iaIPAddress,
		imIPMask,
		pIPAddrTable->table[0].
		dwIndex,
		&NTEContext, &NTEInstance)) != NO_ERROR) {

LPVOID lpMsgBuf;
			printf("\tError adding IP address.\n");

if (FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, dwRetVal, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),       // Default language
				(LPTSTR) & lpMsgBuf, 0, NULL)) {
					printf("\tError: %s", lpMsgBuf);
			}
			LocalFree(lpMsgBuf);
	}

if ((dwRetVal = DeleteIPAddress(NTEContext)) != NO_ERROR) {
		printf("DeleteIPAddress failed with error %d\n", dwRetVal);
	}

/* Free allocated memory no longer needed */
	if (pIPAddrTable) {
		FREE(pIPAddrTable);
		pIPAddrTable = NULL;
	}

printf("-------------------------\n");
	printf("This is GetIPStatistics()\n");
	printf("-------------------------\n");

pStats = (MIB_IPSTATS *) MALLOC(sizeof (MIB_IPSTATS));
	if (pStats == NULL) {
		printf("Error allocating memory needed to call GetIpStatistics\n");
		return 1;
	}

if ((dwRetVal = GetIpStatistics(pStats)) != NO_ERROR) {
		printf("GetIPStatistics failed with error %d\n", dwRetVal);
		if (pStats)
			FREE(pStats);
		return 1;
	}

printf("\tNumber of IP addresses: %ld\n", pStats->dwNumAddr);
	printf("\tNumber of Interfaces: %ld\n", pStats->dwNumIf);
	printf("\tReceives: %ld\n", pStats->dwInReceives);
	printf("\tOut Requests: %ld\n", pStats->dwOutRequests);
	printf("\tRoutes: %ld\n", pStats->dwNumRoutes);
	printf("\tTimeout Time: %ld\n", pStats->dwReasmTimeout);
	printf("\tIn Delivers: %ld\n", pStats->dwInDelivers);
	printf("\tIn Discards: %ld\n", pStats->dwInDiscards);
	printf("\tTotal In: %ld\n", pStats->dwInDelivers + pStats->dwInDiscards);
	printf("\tIn Header Errors: %ld\n", pStats->dwInHdrErrors);

/* Free allocated memory no longer needed */
	if (pStats) {
		FREE(pStats);
		pStats = NULL;
	}

printf("-------------------------\n");
	printf("This is GetTCPStatistics()\n");
	printf("-------------------------\n");

pTCPStats = (MIB_TCPSTATS *) MALLOC(sizeof (MIB_TCPSTATS));
	if (pTCPStats == NULL) {
		printf("Error allocating memory needed to call GetTcpStatistics\n");
		return 1;
	}

if ((dwRetVal = GetTcpStatistics(pTCPStats)) != NO_ERROR) {
		printf("GetTcpStatistics failed with error %d\n", dwRetVal);
		if (pTCPStats)
			FREE(pTCPStats);
		return 1;
	}

printf("\tActive Opens: %ld\n", pTCPStats->dwActiveOpens);
	printf("\tPassive Opens: %ld\n", pTCPStats->dwPassiveOpens);
	printf("\tSegments Recv: %ld\n", pTCPStats->dwInSegs);
	printf("\tSegments Xmit: %ld\n", pTCPStats->dwOutSegs);
	printf("\tTotal # Conxs: %ld\n", pTCPStats->dwNumConns);

/* Free allocated memory no longer needed */
	if (pTCPStats) {
		FREE(pTCPStats);
		pTCPStats = NULL;
	}

return 0;
}

Bloger: moltak.net

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