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ntdll: Implement NtQueryVolumeInformationFile(FileFsAttributeInformation). 

Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
feature/deterministic
Zebediah Figura 2020-03-27 10:32:31 -05:00 committed by Alexandre Julliard
parent 54f93b9bb9
commit 18a960bb84
1 changed files with 205 additions and 15 deletions
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220
dlls/ntdll/file.c
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@ -107,6 +107,8 @@
#include "winioctl.h"
#include "ddk/ntddk.h"
#include "ddk/ntddser.h"
#define WINE_MOUNTMGR_EXTENSIONS
#include "ddk/mountmgr.h"
WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
WINE_DECLARE_DEBUG_CHANNEL(winediag);
@ -119,8 +121,6 @@ mode_t FILE_umask = 0;
#define FILE_WRITE_TO_END_OF_FILE ((LONGLONG)-1)
#define FILE_USE_FILE_POINTER_POSITION ((LONGLONG)-2)
static const WCHAR ntfsW[] = {'N','T','F','S'};
/* fetch the attributes of a file */
static inline ULONG get_file_attributes( const struct stat *st )
{
@ -3120,6 +3120,124 @@ static NTSTATUS get_device_info( int fd, FILE_FS_DEVICE_INFORMATION *info )
return STATUS_SUCCESS;
}
/* Find a DOS device which can act as the root of "path".
* Similar to find_drive_root(), but returns -1 instead of crossing volumes. */
static int find_dos_device( const char *path )
{
int len = strlen(path);
int drive;
char *buffer;
struct stat st;
struct drive_info info[MAX_DOS_DRIVES];
dev_t dev_id;
if (!DIR_get_drives_info( info )) return -1;
if (stat( path, &st ) < 0) return -1;
dev_id = st.st_dev;
/* strip off trailing slashes */
while (len > 1 && path[len - 1] == '/') len--;
/* make a copy of the path */
if (!(buffer = RtlAllocateHeap( GetProcessHeap(), 0, len + 1 ))) return -1;
memcpy( buffer, path, len );
buffer[len] = 0;
for (;;)
{
if (!stat( buffer, &st ) && S_ISDIR( st.st_mode ))
{
if (st.st_dev != dev_id) break;
for (drive = 0; drive < MAX_DOS_DRIVES; drive++)
{
if ((info[drive].dev == st.st_dev) && (info[drive].ino == st.st_ino))
{
if (len == 1) len = 0; /* preserve root slash in returned path */
TRACE( "%s -> drive %c:, root=%s, name=%s\n",
debugstr_a(path), 'A' + drive, debugstr_a(buffer), debugstr_a(path + len));
RtlFreeHeap( GetProcessHeap(), 0, buffer );
return drive;
}
}
}
if (len <= 1) break; /* reached root */
while (path[len - 1] != '/') len--;
while (path[len - 1] == '/') len--;
buffer[len] = 0;
}
RtlFreeHeap( GetProcessHeap(), 0, buffer );
return -1;
}
static struct mountmgr_unix_drive *get_mountmgr_fs_info( HANDLE handle, int fd )
{
struct mountmgr_unix_drive *drive;
OBJECT_ATTRIBUTES attr;
UNICODE_STRING string;
ANSI_STRING unix_name;
IO_STATUS_BLOCK io;
HANDLE mountmgr;
NTSTATUS status;
int letter;
if (server_get_unix_name( handle, &unix_name ))
return NULL;
letter = find_dos_device( unix_name.Buffer );
RtlFreeAnsiString( &unix_name );
if (!(drive = RtlAllocateHeap( GetProcessHeap(), 0, 1024 )))
return NULL;
if (letter == -1)
{
struct stat st;
if (fstat( fd, &st ) == -1)
{
RtlFreeHeap( GetProcessHeap(), 0, drive );
return NULL;
}
drive->unix_dev = st.st_dev;
drive->letter = 0;
}
else
drive->letter = 'a' + letter;
RtlInitUnicodeString( &string, MOUNTMGR_DEVICE_NAME );
InitializeObjectAttributes( &attr, &string, 0, NULL, NULL );
if (NtOpenFile( &mountmgr, GENERIC_READ | SYNCHRONIZE, &attr, &io,
FILE_SHARE_READ | FILE_SHARE_WRITE, FILE_SYNCHRONOUS_IO_NONALERT ))
return NULL;
status = NtDeviceIoControlFile( mountmgr, NULL, NULL, NULL, &io, IOCTL_MOUNTMGR_QUERY_UNIX_DRIVE,
drive, sizeof(*drive), drive, 1024 );
if (status == STATUS_BUFFER_OVERFLOW)
{
if (!(drive = RtlReAllocateHeap( GetProcessHeap(), 0, drive, drive->size )))
{
RtlFreeHeap( GetProcessHeap(), 0, drive );
NtClose( mountmgr );
return NULL;
}
status = NtDeviceIoControlFile( mountmgr, NULL, NULL, NULL, &io, IOCTL_MOUNTMGR_QUERY_UNIX_DRIVE,
drive, sizeof(*drive), drive, drive->size );
}
NtClose( mountmgr );
if (status)
{
WARN("failed to retrieve filesystem type from mountmgr, status %#x\n", status);
RtlFreeHeap( GetProcessHeap(), 0, drive );
return NULL;
}
return drive;
}
/******************************************************************************
* NtQueryVolumeInformationFile [NTDLL.@]
@ -3240,24 +3358,96 @@ NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io
}
break;
case FileFsAttributeInformation:
if (length < offsetof( FILE_FS_ATTRIBUTE_INFORMATION, FileSystemName[ARRAY_SIZE( ntfsW )] ))
io->u.Status = STATUS_BUFFER_TOO_SMALL;
{
static const WCHAR fatW[] = {'F','A','T'};
static const WCHAR fat32W[] = {'F','A','T','3','2'};
static const WCHAR ntfsW[] = {'N','T','F','S'};
static const WCHAR cdfsW[] = {'C','D','F','S'};
static const WCHAR udfW[] = {'U','D','F'};
FILE_FS_ATTRIBUTE_INFORMATION *info = buffer;
struct mountmgr_unix_drive *drive;
enum mountmgr_fs_type fs_type = MOUNTMGR_FS_TYPE_NTFS;
if (length < sizeof(FILE_FS_ATTRIBUTE_INFORMATION))
{
io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
break;
}
if ((drive = get_mountmgr_fs_info( handle, fd )))
{
fs_type = drive->fs_type;
RtlFreeHeap( GetProcessHeap(), 0, drive );
}
else
{
FILE_FS_ATTRIBUTE_INFORMATION *info = buffer;
struct statfs stfs;
FIXME( "%p: faking attribute info\n", handle );
info->FileSystemAttributes = FILE_SUPPORTS_ENCRYPTION | FILE_FILE_COMPRESSION |
FILE_PERSISTENT_ACLS | FILE_UNICODE_ON_DISK |
FILE_CASE_PRESERVED_NAMES | FILE_CASE_SENSITIVE_SEARCH;
info->MaximumComponentNameLength = MAXIMUM_FILENAME_LENGTH - 1;
info->FileSystemNameLength = sizeof(ntfsW);
memcpy(info->FileSystemName, ntfsW, sizeof(ntfsW));
io->Information = sizeof(*info);
io->u.Status = STATUS_SUCCESS;
if (!fstatfs( fd, &stfs ))
{
#if defined(linux) && defined(HAVE_FSTATFS)
switch (stfs.f_type)
{
case 0x9660:
fs_type = MOUNTMGR_FS_TYPE_ISO9660;
break;
case 0x15013346:
fs_type = MOUNTMGR_FS_TYPE_UDF;
break;
case 0x4d44:
fs_type = MOUNTMGR_FS_TYPE_FAT32;
break;
}
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(__APPLE__)
if (!strcmp( stfs.f_fstypename, "cd9660" ))
fs_type = MOUNTMGR_FS_TYPE_ISO9660;
else if (!strcmp( stfs.f_fstypename, "udf" ))
fs_type = MOUNTMGR_FS_TYPE_UDF;
else if (!strcmp( stfs.f_fstypename, "msdos" ))
fs_type = MOUNTMGR_FS_TYPE_FAT32;
#endif
}
}
switch (fs_type)
{
case MOUNTMGR_FS_TYPE_ISO9660:
info->FileSystemAttributes = FILE_READ_ONLY_VOLUME;
info->MaximumComponentNameLength = 221;
info->FileSystemNameLength = min( sizeof(cdfsW), length - offsetof( FILE_FS_ATTRIBUTE_INFORMATION, FileSystemName ) );
memcpy(info->FileSystemName, cdfsW, info->FileSystemNameLength);
break;
case MOUNTMGR_FS_TYPE_UDF:
info->FileSystemAttributes = FILE_READ_ONLY_VOLUME | FILE_UNICODE_ON_DISK | FILE_CASE_SENSITIVE_SEARCH;
info->MaximumComponentNameLength = 255;
info->FileSystemNameLength = min( sizeof(udfW), length - offsetof( FILE_FS_ATTRIBUTE_INFORMATION, FileSystemName ) );
memcpy(info->FileSystemName, udfW, info->FileSystemNameLength);
break;
case MOUNTMGR_FS_TYPE_FAT:
info->FileSystemAttributes = FILE_CASE_PRESERVED_NAMES; /* FIXME */
info->MaximumComponentNameLength = 255;
info->FileSystemNameLength = min( sizeof(fatW), length - offsetof( FILE_FS_ATTRIBUTE_INFORMATION, FileSystemName ) );
memcpy(info->FileSystemName, fatW, info->FileSystemNameLength);
break;
case MOUNTMGR_FS_TYPE_FAT32:
info->FileSystemAttributes = FILE_CASE_PRESERVED_NAMES; /* FIXME */
info->MaximumComponentNameLength = 255;
info->FileSystemNameLength = min( sizeof(fat32W), length - offsetof( FILE_FS_ATTRIBUTE_INFORMATION, FileSystemName ) );
memcpy(info->FileSystemName, fat32W, info->FileSystemNameLength);
break;
default:
info->FileSystemAttributes = FILE_CASE_PRESERVED_NAMES | FILE_PERSISTENT_ACLS;
info->MaximumComponentNameLength = 255;
info->FileSystemNameLength = min( sizeof(ntfsW), length - offsetof( FILE_FS_ATTRIBUTE_INFORMATION, FileSystemName ) );
memcpy(info->FileSystemName, ntfsW, info->FileSystemNameLength);
break;
}
io->Information = offsetof( FILE_FS_ATTRIBUTE_INFORMATION, FileSystemName ) + info->FileSystemNameLength;
io->u.Status = STATUS_SUCCESS;
break;
}
case FileFsControlInformation:
FIXME( "%p: control info not supported\n", handle );
break;