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103 lines
3 KiB
C
103 lines
3 KiB
C
/* NFSv4.1 client for Windows
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* Copyright © 2012 The Regents of the University of Michigan
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*
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* Olga Kornievskaia <aglo@umich.edu>
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* Casey Bodley <cbodley@umich.edu>
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or (at
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* your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* without any warranty; without even the implied warranty of merchantability
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* or fitness for a particular purpose. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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*/
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#include <windows.h>
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#include "options.h"
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DWORD InitializeConnectionInfo(
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IN OUT PCONNECTION_INFO Connection,
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IN PMOUNT_OPTION_BUFFER Options,
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OUT LPWSTR *ConnectionName)
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{
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DWORD result = WN_SUCCESS;
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SIZE_T size;
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/* verify that this is a mount options buffer */
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if (Options &&
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Options->Zero == 0 &&
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Options->Secret == MOUNT_OPTION_BUFFER_SECRET)
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{
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Connection->Options = Options;
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size = MAX_CONNECTION_BUFFER_SIZE(Options->Length);
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}
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else
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{
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Connection->Options = NULL;
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size = MAX_CONNECTION_BUFFER_SIZE(0);
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}
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Connection->Buffer = LocalAlloc(LMEM_ZEROINIT, size);
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if (Connection->Buffer)
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*ConnectionName = (LPWSTR)Connection->Buffer->Buffer;
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else
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result = WN_OUT_OF_MEMORY;
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return result;
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}
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#ifdef __REACTOS__
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FORCEINLINE SIZE_T ConnectionBufferSize(
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#else
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static FORCEINLINE SIZE_T ConnectionBufferSize(
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#endif
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IN PCONNECTION_BUFFER Buffer)
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{
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return sizeof(USHORT) + sizeof(USHORT) + sizeof(ULONG) +
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Buffer->NameLength + Buffer->EaPadding + Buffer->EaLength;
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}
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void MarshalConnectionInfo(
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IN OUT PCONNECTION_INFO Connection)
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{
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PCONNECTION_BUFFER Buffer = Connection->Buffer;
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LPWSTR ConnectionName = (LPWSTR)Buffer->Buffer;
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Buffer->NameLength = (USHORT)(wcslen(ConnectionName) + 1) * sizeof(WCHAR);
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/* copy the EaBuffer after the end of ConnectionName */
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if (Connection->Options && Connection->Options->Length)
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{
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PBYTE ptr = Buffer->Buffer + Buffer->NameLength;
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/* add padding so EaBuffer starts on a ULONG boundary */
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Buffer->EaPadding = (USHORT)
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(sizeof(ULONG) - (SIZE_T)ptr % sizeof(ULONG)) % sizeof(ULONG);
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Buffer->EaLength = Connection->Options->Length;
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ptr += Buffer->EaPadding;
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RtlCopyMemory(ptr, Connection->Options->Buffer, Buffer->EaLength);
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}
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Connection->BufferSize = (ULONG)ConnectionBufferSize(Buffer);
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}
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void FreeConnectionInfo(
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IN PCONNECTION_INFO Connection)
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{
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if (Connection->Buffer)
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{
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LocalFree(Connection->Buffer);
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Connection->Buffer = NULL;
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}
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Connection->Options = NULL;
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Connection->BufferSize = 0;
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}
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