/* * VNBT VxD implementation * * Copyright 2003 Juan Lang * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include "config.h" #include <stdarg.h> #include "windef.h" #include "winbase.h" #include "iphlpapi.h" #include "winsock2.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(vxd); #ifndef INADDR_NONE #define INADDR_NONE ~0UL #endif typedef struct _nbtInfo { DWORD ip; DWORD winsPrimary; DWORD winsSecondary; DWORD dnsPrimary; DWORD dnsSecondary; DWORD unk0; } nbtInfo; #define MAX_NBT_ENTRIES 7 typedef struct _nbtTable { DWORD numEntries; nbtInfo table[MAX_NBT_ENTRIES]; UCHAR pad[6]; WORD nodeType; WORD scopeLen; char scope[254]; } nbtTable; /*********************************************************************** * DeviceIoControl (VNB.VXD.@) */ BOOL WINAPI VNBT_DeviceIoControl(DWORD dwIoControlCode, LPVOID lpvInBuffer, DWORD cbInBuffer, LPVOID lpvOutBuffer, DWORD cbOutBuffer, LPDWORD lpcbBytesReturned, LPOVERLAPPED lpOverlapped) { DWORD error; switch (dwIoControlCode) { case 116: if (lpcbBytesReturned) *lpcbBytesReturned = sizeof(nbtTable); if (!lpvOutBuffer || cbOutBuffer < sizeof(nbtTable)) error = ERROR_BUFFER_OVERFLOW; else { nbtTable *info = (nbtTable *)lpvOutBuffer; DWORD size = 0; memset(info, 0, sizeof(nbtTable)); error = GetNetworkParams(NULL, &size); if (ERROR_BUFFER_OVERFLOW == error) { PFIXED_INFO fixedInfo = HeapAlloc( GetProcessHeap(), 0, size); error = GetNetworkParams(fixedInfo, &size); if (NO_ERROR == error) { info->nodeType = (WORD)fixedInfo->NodeType; info->scopeLen = min(strlen(fixedInfo->ScopeId) + 1, sizeof(info->scope) - 2); memcpy(info->scope + 1, fixedInfo->ScopeId, info->scopeLen); info->scope[info->scopeLen + 1] = '\0'; { /* convert into L2-encoded version */ char *ptr, *lenPtr; for (ptr = info->scope + 1; *ptr && ptr - info->scope < sizeof(info->scope); ) { for (lenPtr = ptr - 1, *lenPtr = 0; *ptr && *ptr != '.' && ptr - info->scope < sizeof(info->scope); ptr++) *lenPtr += 1; ptr++; } } /* could set DNS servers here too, but since * ipconfig.exe and winipcfg.exe read these from the * registry, there's no point */ } HeapFree(GetProcessHeap(), 0, fixedInfo); } size = 0; error = GetAdaptersInfo(NULL, &size); if (ERROR_BUFFER_OVERFLOW == error) { PIP_ADAPTER_INFO adapterInfo = HeapAlloc(GetProcessHeap(), 0, size); error = GetAdaptersInfo(adapterInfo, &size); if (NO_ERROR == error) { PIP_ADAPTER_INFO ptr = adapterInfo; for (ptr = adapterInfo; ptr && info->numEntries < MAX_NBT_ENTRIES; ptr = ptr->Next) { unsigned long addr; addr = inet_addr(ptr->IpAddressList.IpAddress.String); if (addr != 0 && addr != INADDR_NONE) info->table[info->numEntries].ip = ntohl(addr); addr = inet_addr(ptr->PrimaryWinsServer.IpAddress.String); if (addr != 0 && addr != INADDR_NONE) info->table[info->numEntries].winsPrimary = ntohl(addr); addr = inet_addr(ptr->SecondaryWinsServer.IpAddress.String); if (addr != 0 && addr != INADDR_NONE) info->table[info->numEntries].winsSecondary = ntohl(addr); info->numEntries++; } } HeapFree(GetProcessHeap(), 0, adapterInfo); } } break; case 119: /* nbtstat.exe uses this, but the return seems to be a bunch of * pointers, so it's not so easy to reverse engineer. Fall through * to unimplemented... */ default: FIXME( "Unimplemented control %d for VxD device VNB\n", dwIoControlCode ); error = ERROR_NOT_SUPPORTED; break; } if (error) SetLastError(error); return error == NO_ERROR; }