ntdll: Fill the volume serial number in NtQueryInformationFile(FileIdInformation).
Signed-off-by: Zebediah Figura <zfigura@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura
Alexandre Julliard
parent
dab50548e0
commit
a14cdc8ba0
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@ -2237,6 +2237,124 @@ static NTSTATUS server_get_file_info( HANDLE handle, IO_STATUS_BLOCK *io, void *
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}
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/* Find a DOS device which can act as the root of "path".
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* Similar to find_drive_root(), but returns -1 instead of crossing volumes. */
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static int find_dos_device( const char *path )
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{
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int len = strlen(path);
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int drive;
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char *buffer;
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struct stat st;
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struct drive_info info[MAX_DOS_DRIVES];
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dev_t dev_id;
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if (!DIR_get_drives_info( info )) return -1;
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if (stat( path, &st ) < 0) return -1;
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dev_id = st.st_dev;
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/* strip off trailing slashes */
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while (len > 1 && path[len - 1] == '/') len--;
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/* make a copy of the path */
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if (!(buffer = RtlAllocateHeap( GetProcessHeap(), 0, len + 1 ))) return -1;
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memcpy( buffer, path, len );
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buffer[len] = 0;
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for (;;)
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{
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if (!stat( buffer, &st ) && S_ISDIR( st.st_mode ))
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{
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if (st.st_dev != dev_id) break;
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for (drive = 0; drive < MAX_DOS_DRIVES; drive++)
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{
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if ((info[drive].dev == st.st_dev) && (info[drive].ino == st.st_ino))
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{
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if (len == 1) len = 0; /* preserve root slash in returned path */
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TRACE( "%s -> drive %c:, root=%s, name=%s\n",
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debugstr_a(path), 'A' + drive, debugstr_a(buffer), debugstr_a(path + len));
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RtlFreeHeap( GetProcessHeap(), 0, buffer );
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return drive;
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}
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}
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}
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if (len <= 1) break; /* reached root */
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while (path[len - 1] != '/') len--;
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while (path[len - 1] == '/') len--;
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buffer[len] = 0;
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}
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RtlFreeHeap( GetProcessHeap(), 0, buffer );
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return -1;
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}
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static struct mountmgr_unix_drive *get_mountmgr_fs_info( HANDLE handle, int fd )
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{
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struct mountmgr_unix_drive *drive;
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OBJECT_ATTRIBUTES attr;
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UNICODE_STRING string;
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ANSI_STRING unix_name;
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IO_STATUS_BLOCK io;
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HANDLE mountmgr;
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NTSTATUS status;
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int letter;
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if (server_get_unix_name( handle, &unix_name ))
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return NULL;
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letter = find_dos_device( unix_name.Buffer );
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RtlFreeAnsiString( &unix_name );
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if (!(drive = RtlAllocateHeap( GetProcessHeap(), 0, 1024 )))
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return NULL;
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if (letter == -1)
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{
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struct stat st;
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if (fstat( fd, &st ) == -1)
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{
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RtlFreeHeap( GetProcessHeap(), 0, drive );
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return NULL;
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}
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drive->unix_dev = st.st_dev;
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drive->letter = 0;
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}
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else
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drive->letter = 'a' + letter;
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RtlInitUnicodeString( &string, MOUNTMGR_DEVICE_NAME );
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InitializeObjectAttributes( &attr, &string, 0, NULL, NULL );
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if (NtOpenFile( &mountmgr, GENERIC_READ | SYNCHRONIZE, &attr, &io,
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FILE_SHARE_READ | FILE_SHARE_WRITE, FILE_SYNCHRONOUS_IO_NONALERT ))
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return NULL;
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status = NtDeviceIoControlFile( mountmgr, NULL, NULL, NULL, &io, IOCTL_MOUNTMGR_QUERY_UNIX_DRIVE,
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drive, sizeof(*drive), drive, 1024 );
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if (status == STATUS_BUFFER_OVERFLOW)
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{
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if (!(drive = RtlReAllocateHeap( GetProcessHeap(), 0, drive, drive->size )))
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{
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RtlFreeHeap( GetProcessHeap(), 0, drive );
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NtClose( mountmgr );
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return NULL;
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}
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status = NtDeviceIoControlFile( mountmgr, NULL, NULL, NULL, &io, IOCTL_MOUNTMGR_QUERY_UNIX_DRIVE,
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drive, sizeof(*drive), drive, drive->size );
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}
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NtClose( mountmgr );
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if (status)
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{
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WARN("failed to retrieve filesystem type from mountmgr, status %#x\n", status);
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RtlFreeHeap( GetProcessHeap(), 0, drive );
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return NULL;
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}
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return drive;
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}
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/******************************************************************************
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* NtQueryInformationFile [NTDLL.@]
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* ZwQueryInformationFile [NTDLL.@]
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@ -2507,8 +2625,15 @@ NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
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if (fd_get_file_info( fd, options, &st, &attr ) == -1) io->u.Status = FILE_GetNtStatus();
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else
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{
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struct mountmgr_unix_drive *drive;
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FILE_ID_INFORMATION *info = ptr;
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info->VolumeSerialNumber = 0; /* FIXME */
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info->VolumeSerialNumber = 0;
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if ((drive = get_mountmgr_fs_info( hFile, fd )))
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{
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info->VolumeSerialNumber = drive->serial;
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RtlFreeHeap( GetProcessHeap(), 0, drive );
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}
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memset( &info->FileId, 0, sizeof(info->FileId) );
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*(ULONGLONG *)&info->FileId = st.st_ino;
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}
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@ -3120,125 +3245,6 @@ static NTSTATUS get_device_info( int fd, FILE_FS_DEVICE_INFORMATION *info )
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return STATUS_SUCCESS;
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}
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/* Find a DOS device which can act as the root of "path".
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* Similar to find_drive_root(), but returns -1 instead of crossing volumes. */
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static int find_dos_device( const char *path )
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{
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int len = strlen(path);
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int drive;
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char *buffer;
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struct stat st;
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struct drive_info info[MAX_DOS_DRIVES];
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dev_t dev_id;
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if (!DIR_get_drives_info( info )) return -1;
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if (stat( path, &st ) < 0) return -1;
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dev_id = st.st_dev;
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/* strip off trailing slashes */
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while (len > 1 && path[len - 1] == '/') len--;
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/* make a copy of the path */
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if (!(buffer = RtlAllocateHeap( GetProcessHeap(), 0, len + 1 ))) return -1;
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memcpy( buffer, path, len );
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buffer[len] = 0;
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for (;;)
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{
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if (!stat( buffer, &st ) && S_ISDIR( st.st_mode ))
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{
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if (st.st_dev != dev_id) break;
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for (drive = 0; drive < MAX_DOS_DRIVES; drive++)
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{
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if ((info[drive].dev == st.st_dev) && (info[drive].ino == st.st_ino))
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{
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if (len == 1) len = 0; /* preserve root slash in returned path */
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TRACE( "%s -> drive %c:, root=%s, name=%s\n",
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debugstr_a(path), 'A' + drive, debugstr_a(buffer), debugstr_a(path + len));
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RtlFreeHeap( GetProcessHeap(), 0, buffer );
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return drive;
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}
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}
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}
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if (len <= 1) break; /* reached root */
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while (path[len - 1] != '/') len--;
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while (path[len - 1] == '/') len--;
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buffer[len] = 0;
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}
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RtlFreeHeap( GetProcessHeap(), 0, buffer );
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return -1;
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}
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static struct mountmgr_unix_drive *get_mountmgr_fs_info( HANDLE handle, int fd )
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{
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struct mountmgr_unix_drive *drive;
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OBJECT_ATTRIBUTES attr;
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UNICODE_STRING string;
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ANSI_STRING unix_name;
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IO_STATUS_BLOCK io;
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HANDLE mountmgr;
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NTSTATUS status;
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int letter;
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if (server_get_unix_name( handle, &unix_name ))
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return NULL;
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letter = find_dos_device( unix_name.Buffer );
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RtlFreeAnsiString( &unix_name );
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if (!(drive = RtlAllocateHeap( GetProcessHeap(), 0, 1024 )))
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return NULL;
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if (letter == -1)
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{
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struct stat st;
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if (fstat( fd, &st ) == -1)
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{
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RtlFreeHeap( GetProcessHeap(), 0, drive );
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return NULL;
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}
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drive->unix_dev = st.st_dev;
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drive->letter = 0;
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}
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else
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drive->letter = 'a' + letter;
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RtlInitUnicodeString( &string, MOUNTMGR_DEVICE_NAME );
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InitializeObjectAttributes( &attr, &string, 0, NULL, NULL );
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if (NtOpenFile( &mountmgr, GENERIC_READ | SYNCHRONIZE, &attr, &io,
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FILE_SHARE_READ | FILE_SHARE_WRITE, FILE_SYNCHRONOUS_IO_NONALERT ))
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return NULL;
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status = NtDeviceIoControlFile( mountmgr, NULL, NULL, NULL, &io, IOCTL_MOUNTMGR_QUERY_UNIX_DRIVE,
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drive, sizeof(*drive), drive, 1024 );
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if (status == STATUS_BUFFER_OVERFLOW)
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{
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if (!(drive = RtlReAllocateHeap( GetProcessHeap(), 0, drive, drive->size )))
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{
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RtlFreeHeap( GetProcessHeap(), 0, drive );
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NtClose( mountmgr );
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return NULL;
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}
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status = NtDeviceIoControlFile( mountmgr, NULL, NULL, NULL, &io, IOCTL_MOUNTMGR_QUERY_UNIX_DRIVE,
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drive, sizeof(*drive), drive, drive->size );
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}
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NtClose( mountmgr );
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if (status)
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{
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WARN("failed to retrieve filesystem type from mountmgr, status %#x\n", status);
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RtlFreeHeap( GetProcessHeap(), 0, drive );
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return NULL;
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}
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return drive;
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}
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/******************************************************************************
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* NtQueryVolumeInformationFile [NTDLL.@]
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* ZwQueryVolumeInformationFile [NTDLL.@]
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