rosapps/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 #ifdef __GNUC__
  14 #undef WINAPI
  15 #define WINAPI
  16 #endif
  17
  18 #include <iptypes.h>
  19 #include <ipexport.h>
  20 #include <iphlpapi.h>
  21
  22 #ifdef _DEBUG
  23 #include "trace.h"
  24 #endif
  25
  26 ////////////////////////////////////////////////////////////////////////////////
  27
  28 /* imported from iphlpapi.dll
  29
  30 GetAdapterOrderMap
  31 GetInterfaceInfo
  32 GetIpStatsFromStack
  33 NhGetInterfaceNameFromGuid
  34 NhpAllocateAndGetInterfaceInfoFromStack
  35
  36  */
  37
  38 static TCHAR* GetNodeTypeName(int nNodeType)
  39 {
  40     switch (nNodeType) {
  41     case 0:  return _T("zero");
  42     case 1:  return _T("one");
  43     case 2:  return _T("two");
  44     case 3:  return _T("three");
  45     case 4:  return _T("mixed");
  46     default: return _T("unknown");
  47     }
  48 }
  49
  50 static void ShowNetworkFixedInfo()
  51 {
  52     FIXED_INFO* pFixedInfo = NULL;
  53     ULONG OutBufLen = 0;
  54     DWORD result;
  55
  56     result = GetNetworkParams(NULL, &OutBufLen);
  57     if (result == ERROR_BUFFER_OVERFLOW) {
  58         pFixedInfo = (FIXED_INFO*)malloc(OutBufLen);
  59         if (!pFixedInfo) {
  60             _tprintf(_T("ERROR: failed to allocate 0x%08X bytes of memory\n"), OutBufLen);
  61             return;
  62         }
  63     } else {
  64         _tprintf(_T("ERROR: GetNetworkParams() failed to report required buffer size.\n"));
  65         return;
  66     }
  67
  68     result = GetNetworkParams(pFixedInfo, &OutBufLen);
  69     if (result == ERROR_SUCCESS) {
  70         IP_ADDR_STRING* pIPAddr;
  71
  72              printf("\tHostName. . . . . . . . . . . : %s\n",  pFixedInfo->HostName);
  73              printf("\tDomainName. . . . . . . . . . : %s\n",  pFixedInfo->DomainName);
  74 //
  75              printf("\tDNS Servers . . . . . . . . . : %s\n",  pFixedInfo->DnsServerList.IpAddress.String);
  76              pIPAddr = pFixedInfo->DnsServerList.Next;
  77              while (pIPAddr) {
  78                  printf("\t\t\t\t      : %s\n",  pIPAddr->IpAddress.String);
  79                  pIPAddr = pIPAddr->Next;
  80              }
  81 //
  82         _tprintf(_T("\tNodeType. . . . . . . . . . . : %d (%s)\n"), pFixedInfo->NodeType, GetNodeTypeName(pFixedInfo->NodeType));
  83              printf("\tScopeId . . . . . . . . . . . : %s\n",  pFixedInfo->ScopeId);
  84         _tprintf(_T("\tEnableRouting . . . . . . . . : %s\n"), pFixedInfo->EnableRouting ? _T("yes") : _T("no"));
  85         _tprintf(_T("\tEnableProxy . . . . . . . . . : %s\n"), pFixedInfo->EnableProxy ? _T("yes") : _T("no"));
  86         _tprintf(_T("\tEnableDns . . . . . . . . . . : %s\n"), pFixedInfo->EnableDns ? _T("yes") : _T("no"));
  87         _tprintf(_T("\n"));
  88         //_tprintf(_T("\n"),);
  89         //_tprintf(_T("GetNetworkParams() returned with %d\n"), pIfTable->NumAdapters);
  90
  91 //      _tprintf(_T("\tConnection specific DNS suffix: %s\n"), pFixedInfo->EnableDns ? _T("yes") : _T("no"));
  92
  93     } else {
  94         switch (result) {
  95         case ERROR_BUFFER_OVERFLOW:
  96             _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"));
  97             break;
  98         case ERROR_INVALID_PARAMETER:
  99             _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"));
 100             break;
 101         case ERROR_NO_DATA:
 102             _tprintf(_T("No adapter information exists for the local computer\n"));
 103             break;
 104         case ERROR_NOT_SUPPORTED:
 105             _tprintf(_T("This function is not supported on the operating system in use on the local system\n"));
 106             break;
 107         default:
 108             _tprintf(_T("0x%08X - Use FormatMessage to obtain the message string for the returned error\n"), result);
 109             break;
 110         }
 111     }
 112 }
 113
 114 static void ShowNetworkInterfaces()
 115 {
 116     IP_INTERFACE_INFO* pIfTable = NULL;
 117     DWORD result;
 118     DWORD dwNumIf;
 119     DWORD dwOutBufLen = 0;
 120
 121     if ((result = GetNumberOfInterfaces(&dwNumIf)) != NO_ERROR) {
 122         _tprintf(_T("GetNumberOfInterfaces() failed with code 0x%08X - Use FormatMessage to obtain the message string for the returned error\n"), result);
 123         return;
 124     } else {
 125         _tprintf(_T("GetNumberOfInterfaces() returned %d\n"), dwNumIf);
 126     }
 127
 128     result = GetInterfaceInfo(pIfTable, &dwOutBufLen);
 129 //    dwOutBufLen = sizeof(IP_INTERFACE_INFO) + dwNumIf * sizeof(IP_ADAPTER_INDEX_MAP);
 130 //    _tprintf(_T("GetNumberOfInterfaces() returned %d, dwOutBufLen %d\n"), dwNumIf, dwOutBufLen);
 131 //    _tprintf(_T("sizeof(IP_INTERFACE_INFO) %d, sizeof(IP_ADAPTER_INDEX_MAP) %d\n"), sizeof(IP_INTERFACE_INFO), sizeof(IP_ADAPTER_INDEX_MAP));
 132
 133     pIfTable = (IP_INTERFACE_INFO*)malloc(dwOutBufLen);
 134     if (!pIfTable) {
 135         _tprintf(_T("ERROR: failed to allocate 0x%08X bytes of memory\n"), dwOutBufLen);
 136         return;
 137     }
 138 /*
 139 typedef struct _IP_ADAPTER_INDEX_MAP {
 140   ULONG Index;                     // adapter index
 141   WCHAR Name[MAX_ADAPTER_NAME];    // name of the adapter
 142 } IP_ADAPTER_INDEX_MAP, * PIP_ADAPTER_INDEX_MAP;
 143
 144 typedef struct _IP_INTERFACE_INFO {
 145   LONG NumAdapters;                 // number of adapters in array
 146   IP_ADAPTER_INDEX_MAP Adapter[1];  // adapter indices and names
 147 } IP_INTERFACE_INFO,*PIP_INTERFACE_INFO;
 148  */
 149     result = GetInterfaceInfo(pIfTable, &dwOutBufLen);
 150     if (result == NO_ERROR) {
 151         int i;
 152         _tprintf(_T("GetInterfaceInfo() returned with %d adaptor entries\n"), pIfTable->NumAdapters);
 153         for (i = 0; i < pIfTable->NumAdapters; i++) {
 154            wprintf(L"[%d] %s\n", i + 1, pIfTable->Adapter[i].Name);
 155            //wprintf(L"[%d] %s\n", pIfTable->Adapter[i].Index, pIfTable->Adapter[i].Name);
 156
 157 //  \DEVICE\TCPIP_{DB0E61C1-3498-4C5F-B599-59CDE8A1E357}
 158 //  \DEVICE\TCPIP_{BD445697-0945-4591-AE7F-2AB0F383CA87}
 159 //  \DEVICE\TCPIP_{6D87DC08-6BC5-4E78-AB5F-18CAB785CFFE}
 160
 161 //HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NetBT\Parameters\Interfaces\Tcpip_{DB0E61C1-3498-4C5F-B599-59CDE8A1E357}
 162         }
 163     } else {
 164         switch (result) {
 165         case ERROR_INVALID_PARAMETER:
 166             _tprintf(_T("The dwOutBufLen parameter is NULL, or GetInterfaceInterface is unable to write to the memory pointed to by the dwOutBufLen parameter\n"));
 167             break;
 168         case ERROR_INSUFFICIENT_BUFFER:
 169             _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"));
 170             _tprintf(_T("\tdwOutBufLen: %d\n"), dwOutBufLen);
 171             break;
 172         case ERROR_NOT_SUPPORTED:
 173             _tprintf(_T("This function is not supported on the operating system in use on the local system\n"));
 174             break;
 175         default:
 176             _tprintf(_T("0x%08X - Use FormatMessage to obtain the message string for the returned error\n"), result);
 177             break;
 178         }
 179     }
 180     free(pIfTable);
 181 }
 182
 183 /*
 184 typedef struct _IP_ADAPTER_INFO {
 185   struct _IP_ADAPTER_INFO* Next;
 186   DWORD ComboIndex;
 187   char AdapterName[MAX_ADAPTER_NAME_LENGTH + 4];
 188 1  char Description[MAX_ADAPTER_DESCRIPTION_LENGTH + 4];
 189   UINT AddressLength;
 190 2  BYTE Address[MAX_ADAPTER_ADDRESS_LENGTH];
 191   DWORD Index;
 192   UINT Type;
 193 3  UINT DhcpEnabled;
 194 5  PIP_ADDR_STRING CurrentIpAddress;
 195   IP_ADDR_STRING IpAddressList;
 196 7  IP_ADDR_STRING GatewayList;
 197 8  IP_ADDR_STRING DhcpServer;
 198   BOOL HaveWins;
 199   IP_ADDR_STRING PrimaryWinsServer;
 200   IP_ADDR_STRING SecondaryWinsServer;
 201 a  time_t LeaseObtained;
 202 b  time_t LeaseExpires;
 203 } IP_ADAPTER_INFO, *PIP_ADAPTER_INFO;
 204  */
 205 /*
 206 Ethernet adapter VMware Virtual Ethernet Adapter (Network Address Translation (NAT) for VMnet8):
 207
 208         Connection-specific DNS Suffix  . :
 209 1        Description . . . . . . . . . . . : VMware Virtual Ethernet Adapter (Network Address Translation (NAT) for VMnet8)
 210 2        Physical Address. . . . . . . . . : 00-50-56-C0-00-08
 211 3        DHCP Enabled. . . . . . . . . . . : Yes
 212         Autoconfiguration Enabled . . . . : Yes
 213 5        IP Address. . . . . . . . . . . . : 192.168.136.1
 214         Subnet Mask . . . . . . . . . . . : 255.255.255.0
 215 7        Default Gateway . . . . . . . . . :
 216 8        DHCP Server . . . . . . . . . . . : 192.168.136.254
 217         DNS Servers . . . . . . . . . . . :
 218 a        Lease Obtained. . . . . . . . . . : Monday, 30 December 2002 5:56:53 PM
 219 b        Lease Expires . . . . . . . . . . : Monday, 30 December 2002 6:26:53 PM
 220  */
 221 static void ShowAdapterInfo()
 222 {
 223     IP_ADAPTER_INFO* pAdaptorInfo;
 224     ULONG ulOutBufLen;
 225     DWORD dwRetVal;
 226
 227     _tprintf(_T("\nAdaptor Information\t\n"));
 228     pAdaptorInfo = (IP_ADAPTER_INFO*)GlobalAlloc(GPTR, sizeof(IP_ADAPTER_INFO));
 229     ulOutBufLen = sizeof(IP_ADAPTER_INFO);
 230
 231     if (ERROR_BUFFER_OVERFLOW == GetAdaptersInfo(pAdaptorInfo, &ulOutBufLen)) {
 232         GlobalFree(pAdaptorInfo);
 233         pAdaptorInfo = (IP_ADAPTER_INFO*)GlobalAlloc(GPTR, ulOutBufLen);
 234     }
 235     if (dwRetVal = GetAdaptersInfo(pAdaptorInfo, &ulOutBufLen)) {
 236         _tprintf(_T("Call to GetAdaptersInfo failed. Return Value: %08x\n"), dwRetVal);
 237     } else {
 238         while (pAdaptorInfo) {
 239             printf("  AdapterName: %s\n", pAdaptorInfo->AdapterName);
 240             printf("  Description: %s\n", pAdaptorInfo->Description);
 241             pAdaptorInfo = pAdaptorInfo->Next;
 242         }
 243     }
 244 }
 245
 246 const char szUsage[] = { "USAGE:\n" \
 247     "   ipconfig [/? | /all | /release [adapter] | /renew [adapter]\n" \
 248     "            | /flushdns | /registerdns\n" \
 249     "            | /showclassid adapter\n" \
 250     "            | /showclassid adapter\n" \
 251     "            | /setclassid adapter [classidtoset] ]\n" \
 252     "\n" \
 253     "adapter    Full name or pattern with '*' and '?' to 'match',\n" \
 254     "           * matches any character, ? matches one character.\n" \
 255     "   Options\n" \
 256     "       /?           Display this help message.\n" \
 257     "       /all         Display full configuration information.\n" \
 258     "       /release     Release the IP address for the specified adapter.\n" \
 259     "       /renew       Renew the IP address for the specified adapter.\n" \
 260     "       /flushdns    Purges the DNS Resolver cache.\n" \
 261     "       /registerdns Refreshes all DHCP leases and re-registers DNS names\n" \
 262     "       /displaydns  Display the contents of the DNS Resolver Cache.\n" \
 263     "       /showclassid Displays all the dhcp class IDs allowed for adapter.\n" \
 264     "       /setclassid  Modifies the dhcp class id.\n" \
 265     "\n" \
 266     "The default is to display only the IP address, subnet mask and\n" \
 267     "default gateway for each adapter bound to TCP/IP.\n"
 268 };
 269 /*
 270     "\n" \
 271     "For Release and Renew, if no adapter name is specified, then the IP address\n" \
 272     "leases for all adapters bound to TCP/IP will be released or renewed.\n" \
 273     "\n" \
 274     "For SetClassID, if no class id is specified, then the classid is removed.\n" \
 275     "\n" \
 276     "Examples:\n" \
 277     "    > ipconfig                       ... Show information.\n" \
 278     "    > ipconfig /all                  ... Show detailed information\n" \
 279     "    > ipconfig /renew                ... renew all adapaters\n" \
 280     "    > ipconfig /renew EL*            ... renew adapters named EL....\n" \
 281     "    > ipconfig /release *ELINK?21*   ... release all matching adapters,\n" \
 282                                          eg. ELINK-21, myELELINKi21adapter.\n"
 283  */
 284
 285 static void usage(void)
 286 {
 287         fputs(szUsage, stderr);
 288 }
 289
 290
 291 int main(int argc, char *argv[])
 292 {
 293     // 10.0.0.100    // As of build 0.0.20 this is hardcoded in the ip stack
 294
 295     if (argc > 1) {
 296         usage();
 297         return 1;
 298     }
 299     _tprintf(_T("ReactOS IP Configuration\n"));
 300     ShowNetworkFixedInfo();
 301     ShowNetworkInterfaces();
 302     ShowAdapterInfo();
 303         return 0;
 304 }