reactos/apps/utils/net/ipconfig/ipconfig.c

   1 /*
   2  * ipconfig - display IP stack parameters.
   3  *
   4  * This source code is in the PUBLIC DOMAIN and has NO WARRANTY.
   5  *
   6  * Robert Dickenson <robd@reactos.org>, August 15, 2002.
   7  */
   8 #include <stdio.h>
   9 #include <windows.h>
  10 #include <tchar.h>
  11 #include <time.h>
  12
  13 #include <iptypes.h>
  14 #include <ipexport.h>
  15 #include <iphlpapi.h>
  16
  17 #ifdef _DEBUG
  18 #include "trace.h"
  19 #endif
  20
  21 ////////////////////////////////////////////////////////////////////////////////
  22
  23 /* imported from iphlpapi.dll
  24
  25 GetAdapterOrderMap
  26 GetInterfaceInfo
  27 GetIpStatsFromStack
  28 NhGetInterfaceNameFromGuid
  29 NhpAllocateAndGetInterfaceInfoFromStack
  30
  31  */
  32
  33 static TCHAR* GetNodeTypeName(int nNodeType)
  34 {
  35     switch (nNodeType) {
  36     case 0:  return _T("zero");
  37     case 1:  return _T("one");
  38     case 2:  return _T("two");
  39     case 3:  return _T("three");
  40     case 4:  return _T("mixed");
  41     default: return _T("unknown");
  42     }
  43 }
  44
  45 static void ShowNetworkFixedInfo()
  46 {
  47     FIXED_INFO* pFixedInfo = NULL;
  48     ULONG OutBufLen = 0;
  49     DWORD result;
  50
  51     result = GetNetworkParams(NULL, &OutBufLen);
  52     if (result == ERROR_BUFFER_OVERFLOW) {
  53         pFixedInfo = (FIXED_INFO*)malloc(OutBufLen);
  54         if (!pFixedInfo) {
  55             _tprintf(_T("ERROR: failed to allocate 0x%08X bytes of memory\n"), OutBufLen);
  56             return;
  57         }
  58     } else {
  59         _tprintf(_T("ERROR: GetNetworkParams() failed to report required buffer size.\n"));
  60         return;
  61     }
  62
  63     result = GetNetworkParams(pFixedInfo, &OutBufLen);
  64     if (result == ERROR_SUCCESS) {
  65         IP_ADDR_STRING* pIPAddr;
  66
  67              printf("\tHostName. . . . . . . . . . . : %s\n",  pFixedInfo->HostName);
  68              printf("\tDomainName. . . . . . . . . . : %s\n",  pFixedInfo->DomainName);
  69 //
  70              printf("\tDNS Servers . . . . . . . . . : %s\n",  pFixedInfo->DnsServerList.IpAddress.String);
  71              pIPAddr = pFixedInfo->DnsServerList.Next;
  72              while (pIPAddr) {
  73                  printf("\t\t\t\t      : %s\n",  pIPAddr->IpAddress.String);
  74                  pIPAddr = pIPAddr->Next;
  75              }
  76 //
  77         _tprintf(_T("\tNodeType. . . . . . . . . . . : %d (%s)\n"), pFixedInfo->NodeType, GetNodeTypeName(pFixedInfo->NodeType));
  78              printf("\tScopeId . . . . . . . . . . . : %s\n",  pFixedInfo->ScopeId);
  79         _tprintf(_T("\tEnableRouting . . . . . . . . : %s\n"), pFixedInfo->EnableRouting ? _T("yes") : _T("no"));
  80         _tprintf(_T("\tEnableProxy . . . . . . . . . : %s\n"), pFixedInfo->EnableProxy ? _T("yes") : _T("no"));
  81         _tprintf(_T("\tEnableDns . . . . . . . . . . : %s\n"), pFixedInfo->EnableDns ? _T("yes") : _T("no"));
  82         _tprintf(_T("\n"));
  83         //_tprintf(_T("\n"),);
  84         //_tprintf(_T("GetNetworkParams() returned with %d\n"), pIfTable->NumAdapters);
  85
  86 //      _tprintf(_T("\tConnection specific DNS suffix: %s\n"), pFixedInfo->EnableDns ? _T("yes") : _T("no"));
  87
  88     } else {
  89         switch (result) {
  90         case ERROR_BUFFER_OVERFLOW:
  91             _tprintf(_T("The buffer size indicated by the pOutBufLen parameter is too small to hold the adapter information. The pOutBufLen parameter points to the required size\n"));
  92             break;
  93         case ERROR_INVALID_PARAMETER:
  94             _tprintf(_T("The pOutBufLen parameter is NULL, or the calling process does not have read/write access to the memory pointed to by pOutBufLen, or the calling process does not have write access to the memory pointed to by the pAdapterInfo parameter\n"));
  95             break;
  96         case ERROR_NO_DATA:
  97             _tprintf(_T("No adapter information exists for the local computer\n"));
  98             break;
  99         case ERROR_NOT_SUPPORTED:
 100             _tprintf(_T("This function is not supported on the operating system in use on the local system\n"));
 101             break;
 102         default:
 103             _tprintf(_T("0x%08X - Use FormatMessage to obtain the message string for the returned error\n"), result);
 104             break;
 105         }
 106     }
 107 }
 108
 109 static void ShowNetworkInterfaces()
 110 {
 111     IP_INTERFACE_INFO* pIfTable = NULL;
 112     DWORD result;
 113     DWORD dwNumIf;
 114     DWORD dwOutBufLen = 0;
 115
 116     if ((result = GetNumberOfInterfaces(&dwNumIf)) != NO_ERROR) {
 117         _tprintf(_T("GetNumberOfInterfaces() failed with code 0x%08X - Use FormatMessage to obtain the message string for the returned error\n"), result);
 118         return;
 119     } else {
 120         _tprintf(_T("GetNumberOfInterfaces() returned %d\n"), dwNumIf);
 121     }
 122
 123     result = GetInterfaceInfo(pIfTable, &dwOutBufLen);
 124 //    dwOutBufLen = sizeof(IP_INTERFACE_INFO) + dwNumIf * sizeof(IP_ADAPTER_INDEX_MAP);
 125 //    _tprintf(_T("GetNumberOfInterfaces() returned %d, dwOutBufLen %d\n"), dwNumIf, dwOutBufLen);
 126 //    _tprintf(_T("sizeof(IP_INTERFACE_INFO) %d, sizeof(IP_ADAPTER_INDEX_MAP) %d\n"), sizeof(IP_INTERFACE_INFO), sizeof(IP_ADAPTER_INDEX_MAP));
 127
 128     pIfTable = (IP_INTERFACE_INFO*)malloc(dwOutBufLen);
 129     if (!pIfTable) {
 130         _tprintf(_T("ERROR: failed to allocate 0x%08X bytes of memory\n"), dwOutBufLen);
 131         return;
 132     }
 133 /*
 134 typedef struct _IP_ADAPTER_INDEX_MAP {
 135   ULONG Index;                     // adapter index
 136   WCHAR Name[MAX_ADAPTER_NAME];    // name of the adapter
 137 } IP_ADAPTER_INDEX_MAP, * PIP_ADAPTER_INDEX_MAP;
 138
 139 typedef struct _IP_INTERFACE_INFO {
 140   LONG NumAdapters;                 // number of adapters in array
 141   IP_ADAPTER_INDEX_MAP Adapter[1];  // adapter indices and names
 142 } IP_INTERFACE_INFO,*PIP_INTERFACE_INFO;
 143  */
 144     result = GetInterfaceInfo(pIfTable, &dwOutBufLen);
 145     if (result == NO_ERROR) {
 146         int i;
 147         _tprintf(_T("GetInterfaceInfo() returned with %d adaptor entries\n"), pIfTable->NumAdapters);
 148         for (i = 0; i < pIfTable->NumAdapters; i++) {
 149            wprintf(L"[%d] %s\n", i + 1, pIfTable->Adapter[i].Name);
 150            //wprintf(L"[%d] %s\n", pIfTable->Adapter[i].Index, pIfTable->Adapter[i].Name);
 151
 152 //  \DEVICE\TCPIP_{DB0E61C1-3498-4C5F-B599-59CDE8A1E357}
 153 //  \DEVICE\TCPIP_{BD445697-0945-4591-AE7F-2AB0F383CA87}
 154 //  \DEVICE\TCPIP_{6D87DC08-6BC5-4E78-AB5F-18CAB785CFFE}
 155
 156 //HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NetBT\Parameters\Interfaces\Tcpip_{DB0E61C1-3498-4C5F-B599-59CDE8A1E357}
 157         }
 158     } else {
 159         switch (result) {
 160         case ERROR_INVALID_PARAMETER:
 161             _tprintf(_T("The dwOutBufLen parameter is NULL, or GetInterfaceInterface is unable to write to the memory pointed to by the dwOutBufLen parameter\n"));
 162             break;
 163         case ERROR_INSUFFICIENT_BUFFER:
 164             _tprintf(_T("The buffer pointed to by the pIfTable parameter is not large enough. The required size is returned in the DWORD variable pointed to by the dwOutBufLen parameter\n"));
 165             _tprintf(_T("\tdwOutBufLen: %d\n"), dwOutBufLen);
 166             break;
 167         case ERROR_NOT_SUPPORTED:
 168             _tprintf(_T("This function is not supported on the operating system in use on the local system\n"));
 169             break;
 170         default:
 171             _tprintf(_T("0x%08X - Use FormatMessage to obtain the message string for the returned error\n"), result);
 172             break;
 173         }
 174     }
 175     free(pIfTable);
 176 }
 177
 178 /*
 179 typedef struct _IP_ADAPTER_INFO {
 180   struct _IP_ADAPTER_INFO* Next;
 181   DWORD ComboIndex;
 182   char AdapterName[MAX_ADAPTER_NAME_LENGTH + 4];
 183 1  char Description[MAX_ADAPTER_DESCRIPTION_LENGTH + 4];
 184   UINT AddressLength;
 185 2  BYTE Address[MAX_ADAPTER_ADDRESS_LENGTH];
 186   DWORD Index;
 187   UINT Type;
 188 3  UINT DhcpEnabled;
 189 5  PIP_ADDR_STRING CurrentIpAddress;
 190   IP_ADDR_STRING IpAddressList;
 191 7  IP_ADDR_STRING GatewayList;
 192 8  IP_ADDR_STRING DhcpServer;
 193   BOOL HaveWins;
 194   IP_ADDR_STRING PrimaryWinsServer;
 195   IP_ADDR_STRING SecondaryWinsServer;
 196 a  time_t LeaseObtained;
 197 b  time_t LeaseExpires;
 198 } IP_ADAPTER_INFO, *PIP_ADAPTER_INFO;
 199  */
 200 /*
 201 Ethernet adapter VMware Virtual Ethernet Adapter (Network Address Translation (NAT) for VMnet8):
 202
 203         Connection-specific DNS Suffix  . :
 204 1        Description . . . . . . . . . . . : VMware Virtual Ethernet Adapter (Network Address Translation (NAT) for VMnet8)
 205 2        Physical Address. . . . . . . . . : 00-50-56-C0-00-08
 206 3        DHCP Enabled. . . . . . . . . . . : Yes
 207         Autoconfiguration Enabled . . . . : Yes
 208 5        IP Address. . . . . . . . . . . . : 192.168.136.1
 209         Subnet Mask . . . . . . . . . . . : 255.255.255.0
 210 7        Default Gateway . . . . . . . . . :
 211 8        DHCP Server . . . . . . . . . . . : 192.168.136.254
 212         DNS Servers . . . . . . . . . . . :
 213 a        Lease Obtained. . . . . . . . . . : Monday, 30 December 2002 5:56:53 PM
 214 b        Lease Expires . . . . . . . . . . : Monday, 30 December 2002 6:26:53 PM
 215  */
 216 static void ShowAdapterInfo()
 217 {
 218     IP_ADAPTER_INFO* pAdaptorInfo;
 219     ULONG ulOutBufLen;
 220     DWORD dwRetVal;
 221
 222     _tprintf(_T("\nAdaptor Information\t\n"));
 223     pAdaptorInfo = (IP_ADAPTER_INFO*)GlobalAlloc(GPTR, sizeof(IP_ADAPTER_INFO));
 224     ulOutBufLen = sizeof(IP_ADAPTER_INFO);
 225
 226     if (ERROR_BUFFER_OVERFLOW == GetAdaptersInfo(pAdaptorInfo, &ulOutBufLen)) {
 227         GlobalFree(pAdaptorInfo);
 228         pAdaptorInfo = (IP_ADAPTER_INFO*)GlobalAlloc(GPTR, ulOutBufLen);
 229     }
 230     if (dwRetVal = GetAdaptersInfo(pAdaptorInfo, &ulOutBufLen)) {
 231         _tprintf(_T("Call to GetAdaptersInfo failed. Return Value: %08x\n"), dwRetVal);
 232     } else {
 233         while (pAdaptorInfo) {
 234             printf("  AdapterName: %s\n", pAdaptorInfo->AdapterName);
 235             printf("  Description: %s\n", pAdaptorInfo->Description);
 236             pAdaptorInfo = pAdaptorInfo->Next;
 237         }
 238     }
 239 }
 240
 241 const char szUsage[] = { "USAGE:\n" \
 242     "   ipconfig [/? | /all | /release [adapter] | /renew [adapter]\n" \
 243     "            | /flushdns | /registerdns\n" \
 244     "            | /showclassid adapter\n" \
 245     "            | /showclassid adapter\n" \
 246     "            | /setclassid adapter [classidtoset] ]\n" \
 247     "\n" \
 248     "adapter    Full name or pattern with '*' and '?' to 'match',\n" \
 249     "           * matches any character, ? matches one character.\n" \
 250     "   Options\n" \
 251     "       /?           Display this help message.\n" \
 252     "       /all         Display full configuration information.\n" \
 253     "       /release     Release the IP address for the specified adapter.\n" \
 254     "       /renew       Renew the IP address for the specified adapter.\n" \
 255     "       /flushdns    Purges the DNS Resolver cache.\n" \
 256     "       /registerdns Refreshes all DHCP leases and re-registers DNS names\n" \
 257     "       /displaydns  Display the contents of the DNS Resolver Cache.\n" \
 258     "       /showclassid Displays all the dhcp class IDs allowed for adapter.\n" \
 259     "       /setclassid  Modifies the dhcp class id.\n" \
 260     "\n" \
 261     "The default is to display only the IP address, subnet mask and\n" \
 262     "default gateway for each adapter bound to TCP/IP.\n"
 263 };
 264 /*
 265     "\n" \
 266     "For Release and Renew, if no adapter name is specified, then the IP address\n" \
 267     "leases for all adapters bound to TCP/IP will be released or renewed.\n" \
 268     "\n" \
 269     "For SetClassID, if no class id is specified, then the classid is removed.\n" \
 270     "\n" \
 271     "Examples:\n" \
 272     "    > ipconfig                       ... Show information.\n" \
 273     "    > ipconfig /all                  ... Show detailed information\n" \
 274     "    > ipconfig /renew                ... renew all adapaters\n" \
 275     "    > ipconfig /renew EL*            ... renew adapters named EL....\n" \
 276     "    > ipconfig /release *ELINK?21*   ... release all matching adapters,\n" \
 277                                          eg. ELINK-21, myELELINKi21adapter.\n"
 278  */
 279
 280 static void usage(void)
 281 {
 282         fputs(szUsage, stderr);
 283 }
 284
 285
 286 int main(int argc, char *argv[])
 287 {
 288     // 10.0.0.100    // As of build 0.0.20 this is hardcoded in the ip stack
 289
 290     if (argc > 1) {
 291         usage();
 292         return 1;
 293     }
 294     _tprintf(_T("ReactOS IP Configuration\n"));
 295     ShowNetworkFixedInfo();
 296     ShowNetworkInterfaces();
 297     ShowAdapterInfo();
 298         return 0;
 299 }