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