C语言根据MAC地址查找网卡并修改IP地址

#include
#include
#include
#include
#include
#include "setupapi.h"
#include
#pragma comment(lib, "IPHLPAPI.lib")
#pragma comment(lib, "setupapi.lib")

#define MALLOC(x) HeapAlloc(GetProcessHeap(), 0, (x))
#define FREE(x) HeapFree(GetProcessHeap(), 0, (x))

/* Note: could also use malloc() and free() */

BOOL GetAdapterInfo(LPCTSTR lpszAdapterName, PIP_ADAPTER_INFO pAdapterInfo);
BOOL SetIP(LPCTSTR lpszAdapterName, int nIndex, LPCTSTR pIPAddress, LPCTSTR pNetMask, LPCTSTR pNetGate);
BOOL RestartNetwork(LPCTSTR lpszAdapterName);

int __cdecl main()
{
 LPCTSTR lpszMAC = "DE-AD-DE-ED-9A-05";
 LPCTSTR lpszIP = "10.3.3.145";
 LPCTSTR lpszMask = "255.255.252.0";
 LPCTSTR lpszGateway = "10.3.0.5";
 IP_ADAPTER_INFO AdapterInfo;
 BOOL bResult = GetAdapterInfo(lpszMAC, &AdapterInfo);
 if (bResult) {
  printf("Get adapter information successfuly!＼nAdapterName:%s＼nnDescription:%s＼nIndex:%d＼n", AdapterInfo.AdapterName, AdapterInfo.Description, AdapterInfo.Index);
  BOOL bResult = SetIP(AdapterInfo.AdapterName, AdapterInfo.Index, lpszIP, lpszMask, lpszGateway);
  printf("result:%d", bResult);
 }
 return 0;
}

BOOL GetAdapterInfo(LPCTSTR lpszMAC, PIP_ADAPTER_INFO pRetAdapterInfo)
{
 PIP_ADAPTER_INFO pAdapterInfo;
 PIP_ADAPTER_INFO pAdapter = NULL;
 DWORD dwRetVal = 0;
 UINT i;

 ULONG ulOutBufLen = sizeof (IP_ADAPTER_INFO);
 pAdapterInfo = (IP_ADAPTER_INFO *)MALLOC(sizeof (IP_ADAPTER_INFO));
 if (pAdapterInfo == NULL) {
  printf("Error allocating memory needed to call GetAdaptersinfo＼n");
  return 1;
 }
 // Make an initial call to GetAdaptersInfo to get
 // the necessary size into the ulOutBufLen variable
 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 GetAdaptersinfo＼n");
   return 1;
  }
 }

 if ((dwRetVal = GetAdaptersInfo(pAdapterInfo, &ulOutBufLen)) == NO_ERROR) {
  pAdapter = pAdapterInfo;
  while (pAdapter) {
   CHAR szMAC[18] = { 0 };
   for (i = 0; i < pAdapter->AddressLength; i++) {
    if (i == (pAdapter->AddressLength - 1))
     sprintf(szMAC + i * 3, "%.2X", (int)pAdapter->Address[i]);
    else
     sprintf(szMAC + i * 3, "%.2X-", (int)pAdapter->Address[i]);
   }
   if (strcmp(szMAC, lpszMAC) == 0) {
    memcpy(pRetAdapterInfo, pAdapter, sizeof(IP_ADAPTER_INFO));
    if (pAdapterInfo)
     FREE(pAdapterInfo);
    return TRUE;
   }
   pAdapter = pAdapter->Next;
  }
 }
 else {
  printf("GetAdaptersInfo failed with error: %d＼n", dwRetVal);
  return FALSE;
 }
 if (pAdapterInfo)
  FREE(pAdapterInfo);
 return FALSE;
}

BOOL RestartNetwork(LPCTSTR lpszAdapterName)
{
 LPCTSTR lpszNetworkName = "本地连接";
 // 获取网络连接名称用于netsh命令
 HKEY hKey;
 std::string strKeyName = "SYSTEM＼＼CurrentControlSet＼＼Control＼＼Network＼＼{4D36E972-E325-11CE-BFC1-08002BE10318}＼＼";
 strKeyName += lpszAdapterName;
 strKeyName += "＼＼Connection";
 if (RegOpenKeyEx(HKEY_LOCAL_MACHINE,
  strKeyName.c_str(),
  0,
  KEY_QUERY_VALUE,
  &hKey) != ERROR_SUCCESS)
  return FALSE;
 CHAR szNetworkName[32] = { 0 };
 DWORD dwSize = 32;
 DWORD dwResult = RegQueryValueEx(hKey, "Name", NULL, NULL, (LPBYTE)szNetworkName, &dwSize);
 printf("Name:%s", szNetworkName);
 CHAR szCommand[128] = { 0 };
 sprintf(szCommand, "netsh interface set interface name=＼"%s＼" admin=DISABLED", lpszNetworkName);
 system(szCommand);

 sprintf(szCommand, "netsh interface set interface name=＼"%s＼" admin=ENABLED", lpszNetworkName);
 system(szCommand);
 RegCloseKey(hKey);
 return TRUE;
}

#if 1
BOOL SetIP(LPCTSTR lpszAdapterName, int nIndex, LPCTSTR pIPAddress, LPCTSTR pNetMask, LPCTSTR pNetGate)
{
 HKEY hKey;
 std::string strKeyName = "SYSTEM＼＼CurrentControlSet＼＼Services＼＼Tcpip＼＼Parameters＼＼Interfaces＼＼";
 strKeyName += lpszAdapterName;
 if (RegOpenKeyEx(HKEY_LOCAL_MACHINE,
  strKeyName.c_str(),
  0,
  KEY_WRITE,
  &hKey) != ERROR_SUCCESS)
  return FALSE;

 char mszIPAddress[100];
 char mszNetMask[100];
 char mszNetGate[100];

 strncpy(mszIPAddress, pIPAddress, 98);
 strncpy(mszNetMask, pNetMask, 98);
 strncpy(mszNetGate, pNetGate, 98);

 int nIP, nMask, nGate;

 nIP = strlen(mszIPAddress);
 nMask = strlen(mszNetMask);
 nGate = strlen(mszNetGate);

 *(mszIPAddress + nIP + 1) = 0x00;
 nIP += 2;

 *(mszNetMask + nMask + 1) = 0x00;
 nMask += 2;

 *(mszNetGate + nGate + 1) = 0x00;
 nGate += 2;

 DWORD dwLastError = 0;
 RegSetValueEx(hKey, "EnableDHCP", 0, REG_DWORD, (LPBYTE)&dwLastError, sizeof(DWORD));
 RegSetValueEx(hKey, "IPAddress", 0, REG_MULTI_SZ, (unsigned char*)mszIPAddress, nIP);
 RegSetValueEx(hKey, "SubnetMask", 0, REG_MULTI_SZ, (unsigned char*)mszNetMask, nMask);
 RegSetValueEx(hKey, "DefaultGateway", 0, REG_MULTI_SZ, (unsigned char*)mszNetGate, nGate);

 RegCloseKey(hKey);
 RestartNetwork(lpszAdapterName);
 return TRUE;
}
#endif