options.c File Reference

#include <windows.h>
#include "options.h"

Include dependency graph for options.c:

Go to the source code of this file.

Functions
DWORD	InitializeConnectionInfo (IN OUT PCONNECTION_INFO Connection, IN PMOUNT_OPTION_BUFFER Options, OUT LPWSTR *ConnectionName)
static FORCEINLINE SIZE_T	ConnectionBufferSize (IN PCONNECTION_BUFFER Buffer)
void	MarshalConnectionInfo (IN OUT PCONNECTION_INFO Connection)
void	FreeConnectionInfo (IN PCONNECTION_INFO Connection)

Function Documentation

ConnectionBufferSize()

static FORCEINLINE SIZE_T ConnectionBufferSize ( IN PCONNECTION_BUFFER  Buffer )

static

Definition at line 60 of file options.c.

{
    return sizeof(USHORT) + sizeof(USHORT) + sizeof(ULONG) +
        Buffer->NameLength + Buffer->EaPadding + Buffer->EaLength;
}

Referenced by MarshalConnectionInfo().

FreeConnectionInfo()

void FreeConnectionInfo

(

IN PCONNECTION_INFO

Connection

)

Definition at line 92 of file options.c.

{
    if (Connection->Buffer)
    {
        LocalFree(Connection->Buffer);
        Connection->Buffer = NULL;
    }
    Connection->Options = NULL;
    Connection->BufferSize = 0;
}

Referenced by NPAddConnection3().

InitializeConnectionInfo()

DWORD InitializeConnectionInfo	(	IN OUT PCONNECTION_INFO	Connection,
		IN PMOUNT_OPTION_BUFFER	Options,
		OUT LPWSTR *	ConnectionName
	)

Definition at line 26 of file options.c.

{
    DWORD result = WN_SUCCESS;
    SIZE_T size;
 
    /* verify that this is a mount options buffer */
    if (Options &&
        Options->Zero == 0 &&
        Options->Secret == MOUNT_OPTION_BUFFER_SECRET)
    {
        Connection->Options = Options;
        size = MAX_CONNECTION_BUFFER_SIZE(Options->Length);
    }
    else
    {
        Connection->Options = NULL;
        size = MAX_CONNECTION_BUFFER_SIZE(0);
    }
 
    Connection->Buffer = LocalAlloc(LMEM_ZEROINIT, size);
    if (Connection->Buffer)
        *ConnectionName = (LPWSTR)Connection->Buffer->Buffer;
    else
        result = WN_OUT_OF_MEMORY;
 
    return result;
}

Referenced by NPAddConnection3().

MarshalConnectionInfo()

void MarshalConnectionInfo

(

IN OUT PCONNECTION_INFO

Connection

)

Definition at line 68 of file options.c.

{
    PCONNECTION_BUFFER Buffer = Connection->Buffer;
    LPWSTR ConnectionName = (LPWSTR)Buffer->Buffer;
 
    Buffer->NameLength = (USHORT)(wcslen(ConnectionName) + 1) * sizeof(WCHAR);
 
    /* copy the EaBuffer after the end of ConnectionName */
    if (Connection->Options && Connection->Options->Length)
    {
        PBYTE ptr = Buffer->Buffer + Buffer->NameLength;
        /* add padding so EaBuffer starts on a ULONG boundary */
        Buffer->EaPadding = (USHORT)
            (sizeof(ULONG) - (SIZE_T)ptr % sizeof(ULONG)) % sizeof(ULONG);
        Buffer->EaLength = Connection->Options->Length;
        ptr += Buffer->EaPadding;
 
        RtlCopyMemory(ptr, Connection->Options->Buffer, Buffer->EaLength);
    }
 
    Connection->BufferSize = (ULONG)ConnectionBufferSize(Buffer);
}

Referenced by NPAddConnection3().