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mpr: Use a mountmgr ioctl to retrieve the UNC name for a drive.

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This commit is contained in:
Alexandre Julliard 2008-10-23 19:59:17 +02:00
parent abe00bbebe
commit cb566755f7
1 changed files with 50 additions and 24 deletions
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74
dlls/mpr/wnet.c
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@ -24,10 +24,13 @@
#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "winioctl.h"
#include "winnetwk.h"
#include "npapi.h"
#include "winreg.h"
#include "winuser.h"
#define WINE_MOUNTMGR_EXTENSIONS
#include "ddk/mountmgr.h"
#include "wine/debug.h"
#include "wine/unicode.h"
#include "mprres.h"
@ -1750,6 +1753,52 @@ DWORD WINAPI WNetGetConnectionA( LPCSTR lpLocalName,
return ret;
}
/* find the network connection for a given drive; helper for WNetGetConnection */
static DWORD get_drive_connection( WCHAR letter, LPWSTR remote, LPDWORD size )
{
char buffer[1024];
struct mountmgr_unix_drive *data = (struct mountmgr_unix_drive *)buffer;
HANDLE mgr;
DWORD ret = WN_NOT_CONNECTED;
if ((mgr = CreateFileW( MOUNTMGR_DOS_DEVICE_NAME, GENERIC_READ|GENERIC_WRITE,
FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, OPEN_EXISTING,
0, 0 )) == INVALID_HANDLE_VALUE)
{
ERR( "failed to open mount manager err %u\n", GetLastError() );
return ret;
}
memset( data, 0, sizeof(*data) );
data->letter = letter;
if (DeviceIoControl( mgr, IOCTL_MOUNTMGR_QUERY_UNIX_DRIVE, data, sizeof(*data),
data, sizeof(buffer), NULL, NULL ))
{
char *p, *mount_point = buffer + data->mount_point_offset;
DWORD len;
if (data->mount_point_offset && !strncmp( mount_point, "unc/", 4 ))
{
mount_point += 2;
mount_point[0] = '\\';
for (p = mount_point; *p; p++) if (*p == '/') *p = '\\';
len = MultiByteToWideChar( CP_UNIXCP, 0, mount_point, -1, NULL, 0 );
if (len > *size)
{
*size = len;
ret = WN_MORE_DATA;
}
else
{
*size = MultiByteToWideChar( CP_UNIXCP, 0, mount_point, -1, remote, *size);
ret = WN_SUCCESS;
}
}
}
CloseHandle( mgr );
return ret;
}
/**************************************************************************
* WNetGetConnectionW [MPR.@]
*
@ -1778,31 +1827,8 @@ DWORD WINAPI WNetGetConnectionW( LPCWSTR lpLocalName,
switch(GetDriveTypeW(lpLocalName))
{
case DRIVE_REMOTE:
{
static const WCHAR unc[] = { 'u','n','c','\\' };
WCHAR rremote[MAX_PATH], *remote = rremote;
if (!QueryDosDeviceW( lpLocalName, remote, MAX_PATH )) remote[0] = 0;
else if (!strncmpW(remote, unc, 4))
{
remote += 2;
remote[0] = '\\';
}
else if (remote[0] != '\\' || remote[1] != '\\')
FIXME("Don't know how to convert %s to an unc\n", debugstr_w(remote));
if (strlenW(remote) + 1 > *lpBufferSize)
{
*lpBufferSize = strlenW(remote) + 1;
ret = WN_MORE_DATA;
}
else
{
strcpyW( lpRemoteName, remote );
*lpBufferSize = strlenW(lpRemoteName) + 1;
ret = WN_SUCCESS;
}
ret = get_drive_connection( lpLocalName[0], lpRemoteName, lpBufferSize );
break;
}
case DRIVE_REMOVABLE:
case DRIVE_FIXED:
case DRIVE_CDROM: