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reactos/reactos/lib/iphlpapi/iphlpapi.c

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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS Winsock 2 IP Helper API DLL
* FILE: iphlpapi.c
* PURPOSE: DLL entry
* PROGRAMMERS: Robert Dickenson (robd@reactos.org)
* REVISIONS:
* RDD August 18, 2002 Created
*/
#include <stdio.h>
#include <windows.h>
#include <tchar.h>
#include <time.h>
#include <iptypes.h>
#include <ipexport.h>
#include <iphlpapi.h>
#include "debug.h"
//#include "trace.h"
#ifdef __GNUC__
#define EXPORT STDCALL
#else
#define EXPORT CALLBACK
#endif
#ifdef DBG
/* See debug.h for debug/trace constants */
DWORD DebugTraceLevel = MAX_TRACE;
#endif /* DBG */
/* To make the linker happy */
//VOID STDCALL KeBugCheck (ULONG BugCheckCode) {}
BOOL
EXPORT
DllMain(HANDLE hInstDll,
ULONG dwReason,
PVOID Reserved)
{
//WSH_DbgPrint(MIN_TRACE, ("DllMain of iphlpapi.dll\n"));
switch (dwReason) {
case DLL_PROCESS_ATTACH:
/* Don't need thread attach notifications
so disable them to improve performance */
DisableThreadLibraryCalls(hInstDll);
break;
case DLL_THREAD_ATTACH:
break;
case DLL_THREAD_DETACH:
break;
case DLL_PROCESS_DETACH:
break;
}
return TRUE;
}
/*
* @unimplemented
*/
DWORD
WINAPI
AddIPAddress(IPAddr Address, IPMask IpMask, DWORD IfIndex, PULONG NTEContext, PULONG NTEInstance)
{
UNIMPLEMENTED
return 0L;
}
/*
* @unimplemented
*/
DWORD
WINAPI
SetIpNetEntry(PMIB_IPNETROW pArpEntry)
{
UNIMPLEMENTED
return 0L;
}
/*
* @unimplemented
*/
DWORD
WINAPI
CreateIpForwardEntry(PMIB_IPFORWARDROW pRoute)
{
UNIMPLEMENTED
return 0L;
}
/*
* @unimplemented
*/
DWORD
WINAPI
GetAdapterIndex(LPWSTR AdapterName, PULONG IfIndex)
{
return 0;
}
/*
* @unimplemented
*/
DWORD
WINAPI
GetAdaptersInfo(PIP_ADAPTER_INFO pAdapterInfo, PULONG pOutBufLen)
{
LONG lErr;
DWORD dwSize;
DWORD dwIndex;
BYTE* pNextMemFree = (BYTE*) pAdapterInfo;
ULONG uUsedMemory = 0;
PIP_ADAPTER_INFO pPrevAdapter = NULL;
PIP_ADAPTER_INFO pCurrentAdapter = NULL;
HKEY hAdapters;
HKEY hAdapter;
HKEY hIpConfig;
wchar_t* strAdapter;
wchar_t* strTemp1;
wchar_t* strTemp2;
DWORD dwAdapterLen;
char strTemp[MAX_ADAPTER_NAME_LENGTH + 4];
if(pAdapterInfo == NULL && pOutBufLen == NULL)
return ERROR_INVALID_PARAMETER;
ZeroMemory(pAdapterInfo, *pOutBufLen);
lErr = RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters\\Adapters", 0, KEY_READ, &hAdapters);
if(lErr != ERROR_SUCCESS)
return lErr;
// Determine the size of the largest name of any adapter and the number of adapters.
lErr = RegQueryInfoKey(hAdapters, NULL, NULL, NULL, NULL, &dwAdapterLen, NULL, NULL, NULL, NULL, NULL, NULL);
if(lErr != ERROR_SUCCESS)
{
RegCloseKey(hAdapters);
return lErr;
}
dwAdapterLen++; // RegQueryInfoKey return value does not include terminating null.
strAdapter = (wchar_t*) malloc(dwAdapterLen * sizeof(wchar_t));
// Enumerate all adapters in SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Adapters.
for(dwIndex = 0; ; dwIndex++)
{
dwSize = dwAdapterLen; // Reset size of the strAdapterLen buffer.
lErr = RegEnumKeyExW(hAdapters, dwIndex, strAdapter, &dwSize, NULL, NULL, NULL, NULL);
if(lErr == ERROR_NO_MORE_ITEMS)
break;
// TODO Skip NdisWanIP???
if(wcsstr(strAdapter, L"NdisWanIp") != 0)
continue;
lErr = RegOpenKeyExW(hAdapters, strAdapter, 0, KEY_READ, &hAdapter);
if(lErr != ERROR_SUCCESS)
continue;
// Read the IpConfig value.
lErr = RegQueryValueExW(hAdapter, L"IpConfig", NULL, NULL, NULL, &dwSize);
if(lErr != ERROR_SUCCESS)
continue;
strTemp1 = (wchar_t*) malloc(dwSize);
strTemp2 = (wchar_t*) malloc(dwSize + 35 * sizeof(wchar_t));
lErr = RegQueryValueExW(hAdapter, L"IpConfig", NULL, NULL, (BYTE*) strTemp1, &dwSize);
if(lErr != ERROR_SUCCESS)
{
free(strTemp1);
free(strTemp2);
continue;
}
int n = swprintf(strTemp2, L"SYSTEM\\CurrentControlSet\\Services\\%s", strTemp1);
// Open the IpConfig key.
lErr = RegOpenKeyExW(HKEY_LOCAL_MACHINE, strTemp2, 0, KEY_READ, &hIpConfig);
if(lErr != ERROR_SUCCESS)
{
free(strTemp1);
free(strTemp2);
continue;
}
free((void*) strTemp1);
free((void*) strTemp2);
// Fill IP_ADAPTER_INFO block.
pCurrentAdapter = (IP_ADAPTER_INFO*) pNextMemFree;
pNextMemFree += sizeof(IP_ADAPTER_INFO);
uUsedMemory += sizeof(IP_ADAPTER_INFO);
if(uUsedMemory > *pOutBufLen)
return ERROR_BUFFER_OVERFLOW; // TODO return the needed size
// struct _IP_ADAPTER_INFO* Next
if(pPrevAdapter != NULL)
pPrevAdapter->Next = pCurrentAdapter;
// TODO DWORD ComboIndex
// char AdapterName[MAX_ADAPTER_NAME_LENGTH + 4]
wcstombs(strTemp, strAdapter, MAX_ADAPTER_NAME_LENGTH + 4);
strcpy(pCurrentAdapter->AdapterName, strTemp);
// TODO char Description[MAX_ADAPTER_DESCRIPTION_LENGTH + 4]
// TODO UINT AddressLength
// TODO BYTE Address[MAX_ADAPTER_ADDRESS_LENGTH]
// TODO DWORD Index
// TODO UINT Type
// TODO UINT DhcpEnabled
// TODO PIP_ADDR_STRING CurrentIpAddress
// IP_ADDR_STRING IpAddressList
dwSize = 16; lErr = RegQueryValueEx(hIpConfig, _T("IPAddress"), NULL, NULL, (BYTE*) &pCurrentAdapter->IpAddressList.IpAddress, &dwSize);
dwSize = 16; lErr = RegQueryValueEx(hIpConfig, _T("SubnetMask"), NULL, NULL, (BYTE*) &pCurrentAdapter->IpAddressList.IpMask, &dwSize);
if(strstr(pCurrentAdapter->IpAddressList.IpAddress.String, "0.0.0.0") != NULL)
{
dwSize = 16; lErr = RegQueryValueEx(hIpConfig, _T("DhcpIPAddress"), NULL, NULL, (BYTE*) &pCurrentAdapter->IpAddressList.IpAddress, &dwSize);
dwSize = 16; lErr = RegQueryValueEx(hIpConfig, _T("DhcpSubnetMask"), NULL, NULL, (BYTE*) &pCurrentAdapter->IpAddressList.IpMask, &dwSize);
}
// TODO IP_ADDR_STRING GatewayList
// IP_ADDR_STRING DhcpServer
dwSize = 16; lErr = RegQueryValueEx(hIpConfig, _T("DhcpServer"), NULL, NULL, (BYTE*) &pCurrentAdapter->DhcpServer.IpAddress, &dwSize);
dwSize = 16; lErr = RegQueryValueEx(hIpConfig, _T("DhcpSubnetMask"), NULL, NULL, (BYTE*) &pCurrentAdapter->DhcpServer.IpMask, &dwSize);
// TODO BOOL HaveWins
// TODO IP_ADDR_STRING PrimaryWinsServer
// TODO IP_ADDR_STRING SecondaryWinsServer
// TODO time_t LeaseObtained
// TODO time_t LeaseExpires
pPrevAdapter = pCurrentAdapter;
RegCloseKey(hAdapter);
RegCloseKey(hIpConfig);
}
// Cleanup
free(strAdapter);
RegCloseKey(hAdapters);
return ERROR_SUCCESS;
}
////////////////////////////////////////////////////////////////////////////////
/*
* @implemented
*/
DWORD
WINAPI
GetNumberOfInterfaces(OUT PDWORD pdwNumIf)
{
DWORD result = NO_ERROR;
HKEY hKey;
LONG errCode;
int i = 0;
if (pdwNumIf == NULL) return ERROR_INVALID_PARAMETER;
*pdwNumIf = 0;
errCode = RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Linkage", 0, KEY_READ, &hKey);
if (errCode == ERROR_SUCCESS) {
DWORD dwSize;
errCode = RegQueryValueExW(hKey, L"Bind", NULL, NULL, NULL, &dwSize);
if (errCode == ERROR_SUCCESS) {
wchar_t* pData = (wchar_t*)malloc(dwSize * sizeof(wchar_t));
errCode = RegQueryValueExW(hKey, L"Bind", NULL, NULL, (LPBYTE)pData, &dwSize);
if (errCode == ERROR_SUCCESS) {
wchar_t* pStr = pData;
for (i = 0; *pStr != L'\0'; i++) {
pStr = pStr + wcslen(pStr) + 1; // next string
}
}
free(pData);
}
RegCloseKey(hKey);
*pdwNumIf = i;
} else {
result = errCode;
}
return result;
}
/*
* @implemented
*/
DWORD
WINAPI
GetInterfaceInfo(PIP_INTERFACE_INFO pIfTable, PULONG pOutBufLen)
{
DWORD result = ERROR_SUCCESS;
DWORD dwSize;
DWORD dwOutBufLen;
DWORD dwNumIf;
HKEY hKey;
LONG errCode;
int i = 0;
if ((errCode = GetNumberOfInterfaces(&dwNumIf)) != NO_ERROR) {
_tprintf(_T("GetInterfaceInfo() failed with code 0x%08X - Use FormatMessage to obtain the message string for the returned error\n"), errCode);
return errCode;
}
if (dwNumIf == 0) return ERROR_NO_DATA; // No adapter information exists for the local computer
if (pOutBufLen == NULL) return ERROR_INVALID_PARAMETER;
dwOutBufLen = sizeof(IP_INTERFACE_INFO) + dwNumIf * sizeof(IP_ADAPTER_INDEX_MAP);
if (*pOutBufLen < dwOutBufLen || pIfTable == NULL) {
*pOutBufLen = dwOutBufLen;
return ERROR_INSUFFICIENT_BUFFER;
}
memset(pIfTable, 0, dwOutBufLen);
pIfTable->NumAdapters = dwNumIf - 1;
errCode = RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Linkage", 0, KEY_READ, &hKey);
if (errCode == ERROR_SUCCESS) {
errCode = RegQueryValueExW(hKey, L"Bind", NULL, NULL, NULL, &dwSize);
if (errCode == ERROR_SUCCESS) {
wchar_t* pData = (wchar_t*)malloc(dwSize * sizeof(wchar_t));
errCode = RegQueryValueExW(hKey, L"Bind", NULL, NULL, (LPBYTE)pData, &dwSize);
if (errCode == ERROR_SUCCESS) {
wchar_t* pStr = pData;
for (i = 0; i < pIfTable->NumAdapters, *pStr != L'\0'; pStr += wcslen(pStr) + 1) {
if (wcsstr(pStr, L"\\Device\\NdisWanIp") == 0) {
wcsncpy(pIfTable->Adapter[i].Name, pStr, MAX_ADAPTER_NAME);
pIfTable->Adapter[i].Index = i++;
}
}
}
free(pData);
}
RegCloseKey(hKey);
} else {
result = errCode;
}
return result;
}
/*
* @implemented
*/
DWORD
WINAPI
GetNetworkParams(PFIXED_INFO pFixedInfo, PULONG pOutBufLen)
{
DWORD result = ERROR_SUCCESS;
DWORD dwSize;
HKEY hKey;
LONG errCode;
if (pFixedInfo == NULL || pOutBufLen == NULL) return ERROR_INVALID_PARAMETER;
if (*pOutBufLen < sizeof(FIXED_INFO)) {
*pOutBufLen = sizeof(FIXED_INFO);
return ERROR_BUFFER_OVERFLOW;
}
memset(pFixedInfo, 0, sizeof(FIXED_INFO));
errCode = RegOpenKeyEx(HKEY_LOCAL_MACHINE, _T("SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters"), 0, KEY_READ, &hKey);
if (errCode == ERROR_SUCCESS) {
dwSize = sizeof(pFixedInfo->HostName);
errCode = RegQueryValueExA(hKey, "Hostname", NULL, NULL, (LPBYTE)&pFixedInfo->HostName, &dwSize);
dwSize = sizeof(pFixedInfo->DomainName);
errCode = RegQueryValueExA(hKey, "Domain", NULL, NULL, (LPBYTE)&pFixedInfo->DomainName, &dwSize);
if (errCode != ERROR_SUCCESS) {
dwSize = sizeof(pFixedInfo->DomainName);
errCode = RegQueryValueExA(hKey, "DhcpDomain", NULL, NULL, (LPBYTE)&pFixedInfo->DomainName, &dwSize);
}
dwSize = sizeof(pFixedInfo->EnableRouting);
errCode = RegQueryValueEx(hKey, _T("IPEnableRouter"), NULL, NULL, (LPBYTE)&pFixedInfo->EnableRouting, &dwSize);
RegCloseKey(hKey);
} else {
result = ERROR_NO_DATA; // No adapter information exists for the local computer
}
errCode = RegOpenKeyEx(HKEY_LOCAL_MACHINE, _T("SYSTEM\\CurrentControlSet\\Services\\NetBT\\Parameters"), 0, KEY_READ, &hKey);
if (errCode == ERROR_SUCCESS) {
dwSize = sizeof(pFixedInfo->ScopeId);
errCode = RegQueryValueExA(hKey, "ScopeId", NULL, NULL, (LPBYTE)&pFixedInfo->ScopeId, &dwSize);
if (errCode != ERROR_SUCCESS) {
dwSize = sizeof(pFixedInfo->ScopeId);
errCode = RegQueryValueExA(hKey, "DhcpScopeId", NULL, NULL, (LPBYTE)&pFixedInfo->ScopeId, &dwSize);
}
dwSize = sizeof(pFixedInfo->NodeType);
errCode = RegQueryValueEx(hKey, _T("NodeType"), NULL, NULL, (LPBYTE)&pFixedInfo->NodeType, &dwSize);
if (errCode != ERROR_SUCCESS) {
dwSize = sizeof(pFixedInfo->NodeType);
errCode = RegQueryValueExA(hKey, "DhcpNodeType", NULL, NULL, (LPBYTE)&pFixedInfo->NodeType, &dwSize);
}
dwSize = sizeof(pFixedInfo->EnableProxy);
errCode = RegQueryValueEx(hKey, _T("EnableProxy"), NULL, NULL, (LPBYTE)&pFixedInfo->EnableProxy, &dwSize);
dwSize = sizeof(pFixedInfo->EnableDns);
errCode = RegQueryValueEx(hKey, _T("EnableDNS"), NULL, NULL, (LPBYTE)&pFixedInfo->EnableDns, &dwSize);
RegCloseKey(hKey);
} else {
result = ERROR_NO_DATA; // No adapter information exists for the local computer
}
return result;
}
/*
* @unimplemented
*/
DWORD
WINAPI
GetTcpStatistics(PMIB_TCPSTATS pStats)
{
DWORD result = NO_ERROR;
result = ERROR_NO_DATA;
return result;
}
/*
* @unimplemented
*/
DWORD
WINAPI
GetTcpTable(PMIB_TCPTABLE pTcpTable, PDWORD pdwSize, BOOL bOrder)
{
DWORD result = NO_ERROR;
result = ERROR_NO_DATA;
return result;
}
/*
* @unimplemented
*/
DWORD
WINAPI
GetUdpStatistics(PMIB_UDPSTATS pStats)
{
DWORD result = NO_ERROR;
result = ERROR_NO_DATA;
return result;
}
/*
* @unimplemented
*/
DWORD
WINAPI
GetUdpTable(PMIB_UDPTABLE pUdpTable, PDWORD pdwSize, BOOL bOrder)
{
DWORD result = NO_ERROR;
result = ERROR_NO_DATA;
return result;
}
/*
* @unimplemented
*/
DWORD
WINAPI
FlushIpNetTable(DWORD dwIfIndex)
{
DWORD result = NO_ERROR;
return result;
}
/* EOF */
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