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Diffstat (limited to '')
| -rw-r--r-- | private/ntos/nbt/vxd/util.c | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/private/ntos/nbt/vxd/util.c b/private/ntos/nbt/vxd/util.c new file mode 100644 index 000000000..b7060052e --- /dev/null +++ b/private/ntos/nbt/vxd/util.c @@ -0,0 +1,192 @@ +// +// +// UTIL.C +// +// This file contains various utility procedures that are VxD specific. These +// are called by other VxD specific routines. + +#include "nbtprocs.h" + +NTSTATUS +ConvertToIntegerArray( + char *pszString, + UNALIGNED UCHAR *pArray, + int *piNumParts) ; + +NTSTATUS +NbtCreateAddressObjects( + IN ULONG IPAddr, + IN ULONG IPMask, + OUT tDEVICECONTEXT *pDeviceContext); + +char * strrchr( const char * pch, int c ); + +//******************* Pageable Routine Declarations **************** +#ifdef ALLOC_PRAGMA +#pragma CTEMakePageable(PAGE, NbtCreateAddressObjects) +#pragma CTEMakePageable(INIT, strrchr) +#endif +//******************* Pageable Routine Declarations **************** + +#pragma BEGIN_INIT + +/******************************************************************* + + NAME: strrchr + + SYNOPSIS: Vxd-land doesn't have a strrchr runtime function so + roll our own. + + ENTRY: pch - Pointer to string to search + c - Character to search for + + RETURNS: Found position or NULL + + HISTORY: + Johnl 31-Aug-1993 Created + +********************************************************************/ + +char * strrchr( const char * pch, int c ) +{ + char * pchFound = NULL ; + + while ( *pch != '\0' ) + { + if ( *pch == c ) + pchFound = (char *)pch ; + + // + // If double byte do this twice + // + pch++ ; + } + + return pchFound ; +} + +#pragma END_INIT + + +//---------------------------------------------------------------------------- + NTSTATUS +NbtCreateAddressObjects( + IN ULONG IPAddr, + IN ULONG IPMask, + OUT tDEVICECONTEXT *pDeviceContext) + +/*++ + +Routine Description: + + This routine gets the ip address and subnet mask out of the registry + to calcuate the broadcast address. It then creates the address objects + with the transport. + +Arguments: + + pucRegistryPath - path to NBT config info in registry + pucBindName - name of the service to bind to. + pDeviceContext - ptr to the device context... place to store IP addr + and Broadcast address permanently + +Return Value: + + none + +--*/ + +{ + NTSTATUS status ; + pDeviceContext->IpAddress = IPAddr ; + pDeviceContext->SubnetMask = IPMask ; + + CTEPagedCode(); + + if ( NbtConfig.UseRegistryBcastAddr ) + { + pDeviceContext->BroadcastAddress = NbtConfig.RegistryBcastAddr ; + } + else + { + pDeviceContext->BroadcastAddress = (IPMask & IPAddr) | (~IPMask & -1); + } + + // now create the address objects. + + // open the Ip Address for inbound Datagrams. + status = NbtTdiOpenAddress( + NULL, // &pDeviceContext->hDgram, + NULL, // &pDeviceContext->pDgramDeviceObject, + &pDeviceContext->pDgramFileObject, + pDeviceContext, + (USHORT)NBT_DATAGRAM_UDP_PORT, + IPAddr, //IP_ANY_ADDRESS, + 0); // not a TCP port + + if (NT_SUCCESS(status)) + { + // open the Nameservice UDP port .. + status = NbtTdiOpenAddress( + NULL, //&pDeviceContext->hNameServer, + NULL, //&pDeviceContext->pNameServerDeviceObject, + &pDeviceContext->pNameServerFileObject, + pDeviceContext, + (USHORT)NBT_NAMESERVICE_UDP_PORT, + IPAddr, + 0); // not a TCP port + + if (NT_SUCCESS(status)) + { + KdPrint(("Nbt: Open Session port %X\n",pDeviceContext)); + // Open the TCP port for Session Services + status = NbtTdiOpenAddress( + NULL, //&pDeviceContext->hSession, + NULL, //&pDeviceContext->pSessionDeviceObject, + &pDeviceContext->pSessionFileObject, + pDeviceContext, + (USHORT)NBT_SESSION_TCP_PORT, + IPAddr, + TCP_FLAG | SESSION_FLAG); // TCP port + + if (NT_SUCCESS(status)) + { + // + // Open the broadcast address ("*\0\0...") for this device. + // + TDI_REQUEST tdiRequest ; + TDI_ADDRESS_NETBIOS tdiaddr ; + + tdiaddr.NetbiosNameType = TDI_ADDRESS_NETBIOS_TYPE_QUICK_GROUP ; + CTEZeroMemory( tdiaddr.NetbiosName, NETBIOS_NAME_SIZE ) ; + tdiaddr.NetbiosName[0] = '*' ; + + status = NbtOpenAddress( &tdiRequest, + &tdiaddr, + pDeviceContext->BroadcastAddress, + NULL, // Security descriptor + pDeviceContext, + NULL ) ; + if (NT_SUCCESS(status)) + { + pDeviceContext->hBroadcastAddress = tdiRequest.Handle.AddressHandle ; + return(status); + } + + DbgPrint("Unable to Open broadcast name\r\n"); + ASSERT(0); + CloseAddress( (HANDLE) pDeviceContext->pSessionFileObject ) ; + } + + KdPrint(("Unable to Open Session address with TDI, status = %X\n",status)); + CloseAddress( (HANDLE) pDeviceContext->pNameServerFileObject ) ; + + } + KdPrint(("Unable to Open NameServer port with TDI, status = %X\n",status)); + CloseAddress( (HANDLE) pDeviceContext->pDgramFileObject ) ; + } + + return(status); +} + + |