转载：https://www.cnblogs.com/tlduck/p/5132738.html
1 #define _WIN32_DCOM 2 3 #include<iostream> 4 #include<fstream> 5 #include<string> 6 #include "direct.h" 7 #include <tchar.h> 8 #include <time.h> 9 #include <comdef.h> 10 #include <Wbemidl.h> 11 #include <conio.h> 12 #include "atlstr.h" 13 #include "atlbase.h" 14 //#include "TcpCtl.h" 15 //#include "winsock2.h" 16 //#include "InitDll.h" 17 using namespace std; 18 19 # pragma comment(lib, "wbemuuid.lib") 20 # pragma comment(lib, "ws2_32.lib") 21 22 //通过WMI获取主板号 23 BOOL ManageWMIBord(char bord[]) 24 { 25 HRESULT hres; 26 // Step 1: 初始化COM 27 //hres = CoInitializeEx(0, COINIT_MULTITHREADED); //网上的代码都是使用这行语句进行初始化，但是我在实际使用中，发现也可以采用下面的语句进行初始化 28 hres = CoInitialize(0); 29 30 //网上的代码是没有注释下面这个判断的，但是实际使用中发现，如果之前已经初始化成功了，在第二次初始化的时候，下面的代码就会导致返回false，所以，实际使用中我就注释掉了 31 //if (FAILED(hres)) 32 //{ 33 // cout << "Failed to initialize COM library. Error code = 0x" 34 // << hex << hres << endl; 35 // return false; // Program has failed. 36 //} 37 38 39 // Step 2: 设置COM的安全认证级别 40 41 //在实际使用过程中，我发现如果这一步不注释掉的话，程序总是返回false，注释掉之后程序反而可以正常运行，原因未知 42 43 // Note: If you are using Windows 2000, you need to specify - 44 // the default authentication credentials for a user by using 45 // a SOLE_AUTHENTICATION_LIST structure in the pAuthList ---- 46 // parameter of CoInitializeSecurity ------------------------ 47 ////hres = CoInitializeSecurity( 48 //// NULL, 49 //// -1, // COM authentication 50 //// NULL, // Authentication services 51 //// NULL, // Reserved 52 //// RPC_C_AUTHN_LEVEL_DEFAULT, // Default authentication 53 //// RPC_C_IMP_LEVEL_IMPERSONATE, // Default Impersonation 54 //// NULL, // Authentication info 55 //// EOAC_NONE, // Additional capabilities 56 //// NULL // Reserved 57 //// ); 58 //// 59 ////if (FAILED(hres)) 60 ////{ 61 //// cout << "Failed to initialize security. Error code = 0x" 62 //// << hex << hres << endl; 63 //// CoUninitialize(); 64 //// return false; // Program has failed. 65 ////} 66 67 // Step 3: 获得WMI连接COM接口 68 IWbemLocator *pLoc = NULL; 69 hres = CoCreateInstance( 70 CLSID_WbemLocator, 71 0, 72 CLSCTX_INPROC_SERVER, 73 IID_IWbemLocator, (LPVOID *)&pLoc); 74 75 if (FAILED(hres)) 76 { 77 cout << "Failed to create IWbemLocator object." 78 << " Err code = 0x" 79 << hex << hres << endl; 80 CoUninitialize(); 81 return false; // Program has failed. 82 } 83 84 85 // Step 4: 通过连接接口连接WMI的内核对象名"ROOT//CIMV2" 86 IWbemServices *pSvc = NULL; 87 88 hres = pLoc->ConnectServer( 89 90 _bstr_t(L"ROOT\\CIMV2"), // Object path of WMI namespace 91 NULL, // User name. NULL = current user 92 NULL, // User password. NULL = current 93 0, // Locale. NULL indicates current 94 NULL, // Security flags. 95 0, // Authority (e.g. Kerberos) 96 0, // Context object 97 &pSvc // pointer to IWbemServices proxy 98 ); 99 100 if (FAILED(hres)) 101 { 102 cout << "Could not connect. Error code = 0x" 103 << hex << hres << endl; 104 pLoc->Release(); 105 CoUninitialize(); 106 return false; // Program has failed. 107 } 108 //cout << "Connected to ROOT\\CIMV2 WMI namespace" << endl; 109 110 // Step 5: 设置请求代理的安全级别 111 hres = CoSetProxyBlanket( 112 pSvc, // Indicates the proxy to set 113 RPC_C_AUTHN_WINNT, // RPC_C_AUTHN_xxx 114 RPC_C_AUTHZ_NONE, // RPC_C_AUTHZ_xxx 115 NULL, // Server principal name 116 RPC_C_AUTHN_LEVEL_CALL, // RPC_C_AUTHN_LEVEL_xxx 117 RPC_C_IMP_LEVEL_IMPERSONATE, // RPC_C_IMP_LEVEL_xxx 118 NULL, // client identity 119 EOAC_NONE // proxy capabilities 120 ); 121 if (FAILED(hres)) 122 { 123 cout << "Could not set proxy blanket. Error code = 0x" 124 << hex << hres << endl; 125 pSvc->Release(); 126 pLoc->Release(); 127 CoUninitialize(); 128 return false; // Program has failed. 129 } 130 // Step 6: 通过请求代理来向WMI发送请求---- 131 // For example, get the name of the operating system 132 IEnumWbemClassObject* pEnumerator = NULL; 133 hres = pSvc->ExecQuery( 134 bstr_t("WQL"), 135 //bstr_t("SELECT * FROM Win32_NetworkAdapterConfiguration WHERE IPEnabled = 'TRUE'"), 136 bstr_t("SELECT * FROM Win32_BaseBoard"),//只需要通过修改这里的查询语句，就可以实现对MAC地址等其他信息的查询 137 WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY, 138 NULL, 139 &pEnumerator); 140 141 if (FAILED(hres)) 142 { 143 cout << "Query for Network Adapter Configuration failed." 144 << " Error code = 0x" 145 << hex << hres << endl; 146 pSvc->Release(); 147 pLoc->Release(); 148 CoUninitialize(); 149 return false; // Program has failed. 150 } 151 152 153 // Step 7: 循环枚举所有的结果对象 154 155 IWbemClassObject *pclsObj; 156 pclsObj = NULL; 157 ULONG uReturn = 0; 158 159 while (pEnumerator) 160 { 161 HRESULT hr = pEnumerator->Next(WBEM_INFINITE, 1, 162 &pclsObj, &uReturn); 163 if (0 == uReturn) 164 { 165 break; 166 } 167 VARIANT vtProp; 168 VariantInit(&vtProp); 169 170 hr = pclsObj->Get(L"SerialNumber", 0, &vtProp, 0, 0);//查询不同的硬件信息，除了修改上面的查询语句，这里的字段也要修改 171 172 if (!FAILED(hr)) 173 { 174 CW2A tmpstr1(vtProp.bstrVal); 175 strcpy_s(bord, 200, tmpstr1);//这里的200是可调的，自己根据实际情况设置，但是肯定不能大于bord的长度 176 //cout << "BordSN:" << sn << endl; 177 178 } 179 180 VariantClear(&vtProp); 181 }//end while 182 183 // 释放资源 184 pSvc->Release(); 185 pLoc->Release(); 186 pEnumerator->Release(); 187 pclsObj->Release(); 188 CoUninitialize(); 189 return true; // Program successfully completed. 190 191 } 192 193 int main() 194 { 195 char bord[300]; 196 ManageWMIBord(bord); 197 cout << bord << "\n"; 198 system("pause"); 199 return 0; 200 }
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