ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
Sweden-Number/dlls/ntdll/unix/file.c

6957 lines
228 KiB
C
Raw Blame History

/*
* NTDLL directory and file functions
*
* Copyright 1993 Erik Bos
* Copyright 2003 Eric Pouech
* Copyright 1996, 2004 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#if 0
#pragma makedep unix
#endif
#include "config.h"
#include <assert.h>
#include <sys/types.h>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <limits.h>
#include <unistd.h>
#ifdef HAVE_MNTENT_H
#include <mntent.h>
#endif
#include <poll.h>
#include <sys/stat.h>
#ifdef HAVE_SYS_STATVFS_H
# include <sys/statvfs.h>
#endif
#ifdef HAVE_SYS_SYSCALL_H
# include <sys/syscall.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#ifdef HAVE_SYS_ATTR_H
#include <sys/attr.h>
#endif
#ifdef MAJOR_IN_MKDEV
# include <sys/mkdev.h>
#elif defined(MAJOR_IN_SYSMACROS)
# include <sys/sysmacros.h>
#endif
#ifdef HAVE_SYS_VNODE_H
# ifdef HAVE_STDINT_H
# include <stdint.h> /* needed for kfreebsd */
# endif
/* Work around a conflict with Solaris' system list defined in sys/list.h. */
#define list SYSLIST
#define list_next SYSLIST_NEXT
#define list_prev SYSLIST_PREV
#define list_head SYSLIST_HEAD
#define list_tail SYSLIST_TAIL
#define list_move_tail SYSLIST_MOVE_TAIL
#define list_remove SYSLIST_REMOVE
#include <sys/vnode.h>
#undef list
#undef list_next
#undef list_prev
#undef list_head
#undef list_tail
#undef list_move_tail
#undef list_remove
#endif
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#ifdef HAVE_LINUX_IOCTL_H
#include <linux/ioctl.h>
#endif
#ifdef HAVE_LINUX_MAJOR_H
# include <linux/major.h>
#endif
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_SYS_CONF_H
#include <sys/conf.h>
#endif
#ifdef HAVE_SYS_MOUNT_H
#include <sys/mount.h>
#endif
#ifdef HAVE_SYS_STATFS_H
#include <sys/statfs.h>
#endif
#include <time.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include "ntstatus.h"
#define WIN32_NO_STATUS
#define NONAMELESSUNION
#include "windef.h"
#include "winnt.h"
#include "winioctl.h"
#include "winternl.h"
#include "ddk/ntddk.h"
#include "ddk/ntddser.h"
#include "ddk/wdm.h"
#define WINE_MOUNTMGR_EXTENSIONS
#include "ddk/mountmgr.h"
#include "wine/server.h"
#include "wine/list.h"
#include "wine/debug.h"
#include "unix_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(file);
WINE_DECLARE_DEBUG_CHANNEL(winediag);
#define MAX_DOS_DRIVES 26
/* just in case... */
#undef VFAT_IOCTL_READDIR_BOTH
#undef EXT2_IOC_GETFLAGS
#undef EXT4_CASEFOLD_FL
#ifdef linux
/* We want the real kernel dirent structure, not the libc one */
typedef struct
{
long d_ino;
long d_off;
unsigned short d_reclen;
char d_name[256];
} KERNEL_DIRENT;
/* Define the VFAT ioctl to get both short and long file names */
#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, KERNEL_DIRENT [2] )
/* Define the ext2 ioctl for handling extra attributes */
#define EXT2_IOC_GETFLAGS _IOR('f', 1, long)
/* Case-insensitivity attribute */
#define EXT4_CASEFOLD_FL 0x40000000
#ifndef O_DIRECTORY
# define O_DIRECTORY 0200000 /* must be directory */
#endif
#ifndef AT_NO_AUTOMOUNT
#define AT_NO_AUTOMOUNT 0x800
#endif
#endif /* linux */
#define IS_SEPARATOR(ch) ((ch) == '\\' || (ch) == '/')
#define INVALID_NT_CHARS '*','?','<','>','|','"'
#define INVALID_DOS_CHARS INVALID_NT_CHARS,'+','=',',',';','[',']',' ','\345'
#define MAX_DIR_ENTRY_LEN 255 /* max length of a directory entry in chars */
#define MAX_IGNORED_FILES 4
struct file_identity
{
dev_t dev;
ino_t ino;
};
static struct file_identity ignored_files[MAX_IGNORED_FILES];
static unsigned int ignored_files_count;
union file_directory_info
{
ULONG next;
FILE_DIRECTORY_INFORMATION dir;
FILE_BOTH_DIRECTORY_INFORMATION both;
FILE_FULL_DIRECTORY_INFORMATION full;
FILE_ID_BOTH_DIRECTORY_INFORMATION id_both;
FILE_ID_FULL_DIRECTORY_INFORMATION id_full;
FILE_ID_GLOBAL_TX_DIR_INFORMATION id_tx;
FILE_NAMES_INFORMATION names;
};
struct dir_data_buffer
{
struct dir_data_buffer *next; /* next buffer in the list */
unsigned int size; /* total size of the buffer */
unsigned int pos; /* current position in the buffer */
char data[1];
};
struct dir_data_names
{
const WCHAR *long_name; /* long file name in Unicode */
const WCHAR *short_name; /* short file name in Unicode */
const char *unix_name; /* Unix file name in host encoding */
};
struct dir_data
{
unsigned int size; /* size of the names array */
unsigned int count; /* count of used entries in the names array */
unsigned int pos; /* current reading position in the names array */
struct file_identity id; /* directory file identity */
struct dir_data_names *names; /* directory file names */
struct dir_data_buffer *buffer; /* head of data buffers list */
};
static const unsigned int dir_data_buffer_initial_size = 4096;
static const unsigned int dir_data_cache_initial_size = 256;
static const unsigned int dir_data_names_initial_size = 64;
static struct dir_data **dir_data_cache;
static unsigned int dir_data_cache_size;
static BOOL show_dot_files;
static mode_t start_umask;
/* at some point we may want to allow Winelib apps to set this */
static const BOOL is_case_sensitive = FALSE;
static pthread_mutex_t dir_mutex = PTHREAD_MUTEX_INITIALIZER;
static pthread_mutex_t mnt_mutex = PTHREAD_MUTEX_INITIALIZER;
/* check if a given Unicode char is OK in a DOS short name */
static inline BOOL is_invalid_dos_char( WCHAR ch )
{
static const WCHAR invalid_chars[] = { INVALID_DOS_CHARS,'~','.',0 };
if (ch > 0x7f) return TRUE;
return wcschr( invalid_chars, ch ) != NULL;
}
/* check if the device can be a mounted volume */
static inline BOOL is_valid_mounted_device( const struct stat *st )
{
#if defined(linux) || defined(__sun__)
return S_ISBLK( st->st_mode );
#else
/* disks are char devices on *BSD */
return S_ISCHR( st->st_mode );
#endif
}
static inline void ignore_file( const char *name )
{
struct stat st;
assert( ignored_files_count < MAX_IGNORED_FILES );
if (!stat( name, &st ))
{
ignored_files[ignored_files_count].dev = st.st_dev;
ignored_files[ignored_files_count].ino = st.st_ino;
ignored_files_count++;
}
}
static inline BOOL is_same_file( const struct file_identity *file, const struct stat *st )
{
return st->st_dev == file->dev && st->st_ino == file->ino;
}
static inline BOOL is_ignored_file( const struct stat *st )
{
unsigned int i;
for (i = 0; i < ignored_files_count; i++)
if (is_same_file( &ignored_files[i], st )) return TRUE;
return FALSE;
}
static inline unsigned int dir_info_align( unsigned int len )
{
return (len + 7) & ~7;
}
static inline unsigned int dir_info_size( FILE_INFORMATION_CLASS class, unsigned int len )
{
switch (class)
{
case FileDirectoryInformation:
return offsetof( FILE_DIRECTORY_INFORMATION, FileName[len] );
case FileBothDirectoryInformation:
return offsetof( FILE_BOTH_DIRECTORY_INFORMATION, FileName[len] );
case FileFullDirectoryInformation:
return offsetof( FILE_FULL_DIRECTORY_INFORMATION, FileName[len] );
case FileIdBothDirectoryInformation:
return offsetof( FILE_ID_BOTH_DIRECTORY_INFORMATION, FileName[len] );
case FileIdFullDirectoryInformation:
return offsetof( FILE_ID_FULL_DIRECTORY_INFORMATION, FileName[len] );
case FileIdGlobalTxDirectoryInformation:
return offsetof( FILE_ID_GLOBAL_TX_DIR_INFORMATION, FileName[len] );
case FileNamesInformation:
return offsetof( FILE_NAMES_INFORMATION, FileName[len] );
default:
assert(0);
return 0;
}
}
static inline BOOL has_wildcard( const UNICODE_STRING *mask )
{
int i;
if (!mask) return TRUE;
for (i = 0; i < mask->Length / sizeof(WCHAR); i++)
if (mask->Buffer[i] == '*' || mask->Buffer[i] == '?') return TRUE;
return FALSE;
}
NTSTATUS errno_to_status( int err )
{
TRACE( "errno = %d\n", err );
switch (err)
{
case EAGAIN: return STATUS_SHARING_VIOLATION;
case EBADF: return STATUS_INVALID_HANDLE;
case EBUSY: return STATUS_DEVICE_BUSY;
case ENOSPC: return STATUS_DISK_FULL;
case EPERM:
case EROFS:
case EACCES: return STATUS_ACCESS_DENIED;
case ENOTDIR: return STATUS_OBJECT_PATH_NOT_FOUND;
case ENOENT: return STATUS_OBJECT_NAME_NOT_FOUND;
case EISDIR: return STATUS_INVALID_DEVICE_REQUEST;
case EMFILE:
case ENFILE: return STATUS_TOO_MANY_OPENED_FILES;
case EINVAL: return STATUS_INVALID_PARAMETER;
case ENOTEMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
case EPIPE: return STATUS_PIPE_DISCONNECTED;
case EIO: return STATUS_DEVICE_NOT_READY;
#ifdef ENOMEDIUM
case ENOMEDIUM: return STATUS_NO_MEDIA_IN_DEVICE;
#endif
case ENXIO: return STATUS_NO_SUCH_DEVICE;
case ENOTTY:
case EOPNOTSUPP:return STATUS_NOT_SUPPORTED;
case ECONNRESET:return STATUS_PIPE_DISCONNECTED;
case EFAULT: return STATUS_ACCESS_VIOLATION;
case ESPIPE: return STATUS_ILLEGAL_FUNCTION;
case ELOOP: return STATUS_REPARSE_POINT_NOT_RESOLVED;
#ifdef ETIME /* Missing on FreeBSD */
case ETIME: return STATUS_IO_TIMEOUT;
#endif
case ENOEXEC: /* ?? */
case EEXIST: /* ?? */
default:
FIXME( "Converting errno %d to STATUS_UNSUCCESSFUL\n", err );
return STATUS_UNSUCCESSFUL;
}
}
/* get space from the current directory data buffer, allocating a new one if necessary */
static void *get_dir_data_space( struct dir_data *data, unsigned int size )
{
struct dir_data_buffer *buffer = data->buffer;
void *ret;
if (!buffer || size > buffer->size - buffer->pos)
{
unsigned int new_size = buffer ? buffer->size * 2 : dir_data_buffer_initial_size;
if (new_size < size) new_size = size;
if (!(buffer = malloc( offsetof( struct dir_data_buffer, data[new_size] ) ))) return NULL;
buffer->pos = 0;
buffer->size = new_size;
buffer->next = data->buffer;
data->buffer = buffer;
}
ret = buffer->data + buffer->pos;
buffer->pos += size;
return ret;
}
/* add a string to the directory data buffer */
static const char *add_dir_data_nameA( struct dir_data *data, const char *name )
{
/* keep buffer data WCHAR-aligned */
char *ptr = get_dir_data_space( data, (strlen( name ) + sizeof(WCHAR)) & ~(sizeof(WCHAR) - 1) );
if (ptr) strcpy( ptr, name );
return ptr;
}
/* add a Unicode string to the directory data buffer */
static const WCHAR *add_dir_data_nameW( struct dir_data *data, const WCHAR *name )
{
WCHAR *ptr = get_dir_data_space( data, (wcslen( name ) + 1) * sizeof(WCHAR) );
if (ptr) wcscpy( ptr, name );
return ptr;
}
/* add an entry to the directory names array */
static BOOL add_dir_data_names( struct dir_data *data, const WCHAR *long_name,
const WCHAR *short_name, const char *unix_name )
{
static const WCHAR empty[1];
struct dir_data_names *names = data->names;
if (data->count >= data->size)
{
unsigned int new_size = max( data->size * 2, dir_data_names_initial_size );
if (!(names = realloc( names, new_size * sizeof(*names) ))) return FALSE;
data->size = new_size;
data->names = names;
}
if (short_name[0])
{
if (!(names[data->count].short_name = add_dir_data_nameW( data, short_name ))) return FALSE;
}
else names[data->count].short_name = empty;
if (!(names[data->count].long_name = add_dir_data_nameW( data, long_name ))) return FALSE;
if (!(names[data->count].unix_name = add_dir_data_nameA( data, unix_name ))) return FALSE;
data->count++;
return TRUE;
}
/* free the complete directory data structure */
static void free_dir_data( struct dir_data *data )
{
struct dir_data_buffer *buffer, *next;
if (!data) return;
for (buffer = data->buffer; buffer; buffer = next)
{
next = buffer->next;
free( buffer );
}
free( data->names );
free( data );
}
/* support for a directory queue for filesystem searches */
struct dir_name
{
struct list entry;
char name[1];
};
static struct list dir_queue = LIST_INIT( dir_queue );
static NTSTATUS add_dir_to_queue( const char *name )
{
int len = strlen( name ) + 1;
struct dir_name *dir = malloc( offsetof( struct dir_name, name[len] ));
if (!dir) return STATUS_NO_MEMORY;
strcpy( dir->name, name );
list_add_tail( &dir_queue, &dir->entry );
return STATUS_SUCCESS;
}
static NTSTATUS next_dir_in_queue( char *name )
{
struct list *head = list_head( &dir_queue );
if (head)
{
struct dir_name *dir = LIST_ENTRY( head, struct dir_name, entry );
strcpy( name, dir->name );
list_remove( &dir->entry );
free( dir );
return STATUS_SUCCESS;
}
return STATUS_OBJECT_NAME_NOT_FOUND;
}
static void flush_dir_queue(void)
{
struct list *head;
while ((head = list_head( &dir_queue )))
{
struct dir_name *dir = LIST_ENTRY( head, struct dir_name, entry );
list_remove( &dir->entry );
free( dir );
}
}
#ifdef __ANDROID__
static char *unescape_field( char *str )
{
char *in, *out;
for (in = out = str; *in; in++, out++)
{
*out = *in;
if (in[0] == '\\')
{
if (in[1] == '\\')
{
out[0] = '\\';
in++;
}
else if (in[1] == '0' && in[2] == '4' && in[3] == '0')
{
out[0] = ' ';
in += 3;
}
else if (in[1] == '0' && in[2] == '1' && in[3] == '1')
{
out[0] = '\t';
in += 3;
}
else if (in[1] == '0' && in[2] == '1' && in[3] == '2')
{
out[0] = '\n';
in += 3;
}
else if (in[1] == '1' && in[2] == '3' && in[3] == '4')
{
out[0] = '\\';
in += 3;
}
}
}
*out = '\0';
return str;
}
static inline char *get_field( char **str )
{
char *ret;
ret = strsep( str, " \t" );
if (*str) *str += strspn( *str, " \t" );
return ret;
}
/************************************************************************
* getmntent_replacement
*
* getmntent replacement for Android.
*
* NB returned static buffer is not thread safe; protect with mnt_mutex.
*/
static struct mntent *getmntent_replacement( FILE *f )
{
static struct mntent entry;
static char buf[4096];
char *p, *start;
do
{
if (!fgets( buf, sizeof(buf), f )) return NULL;
p = strchr( buf, '\n' );
if (p) *p = '\0';
else /* Partially unread line, move file ptr to end */
{
char tmp[1024];
while (fgets( tmp, sizeof(tmp), f ))
if (strchr( tmp, '\n' )) break;
}
start = buf + strspn( buf, " \t" );
} while (start[0] == '\0' || start[0] == '#');
p = get_field( &start );
entry.mnt_fsname = p ? unescape_field( p ) : (char *)"";
p = get_field( &start );
entry.mnt_dir = p ? unescape_field( p ) : (char *)"";
p = get_field( &start );
entry.mnt_type = p ? unescape_field( p ) : (char *)"";
p = get_field( &start );
entry.mnt_opts = p ? unescape_field( p ) : (char *)"";
p = get_field( &start );
entry.mnt_freq = p ? atoi(p) : 0;
p = get_field( &start );
entry.mnt_passno = p ? atoi(p) : 0;
return &entry;
}
#define getmntent getmntent_replacement
#endif
/***********************************************************************
* parse_mount_entries
*
* Parse mount entries looking for a given device. Helper for get_default_drive_device.
*/
#ifdef sun
#include <sys/vfstab.h>
static char *parse_vfstab_entries( FILE *f, dev_t dev, ino_t ino)
{
struct vfstab entry;
struct stat st;
char *device;
while (! getvfsent( f, &entry ))
{
/* don't even bother stat'ing network mounts, there's no meaningful device anyway */
if (!strcmp( entry.vfs_fstype, "nfs" ) ||
!strcmp( entry.vfs_fstype, "smbfs" ) ||
!strcmp( entry.vfs_fstype, "ncpfs" )) continue;
if (stat( entry.vfs_mountp, &st ) == -1) continue;
if (st.st_dev != dev || st.st_ino != ino) continue;
if (!strcmp( entry.vfs_fstype, "fd" ))
{
if ((device = strstr( entry.vfs_mntopts, "dev=" )))
{
char *p = strchr( device + 4, ',' );
if (p) *p = 0;
return device + 4;
}
}
else
return entry.vfs_special;
}
return NULL;
}
#endif
#ifdef linux
static char *parse_mount_entries( FILE *f, dev_t dev, ino_t ino )
{
struct mntent *entry;
struct stat st;
char *device;
while ((entry = getmntent( f )))
{
/* don't even bother stat'ing network mounts, there's no meaningful device anyway */
if (!strcmp( entry->mnt_type, "nfs" ) ||
!strcmp( entry->mnt_type, "cifs" ) ||
!strcmp( entry->mnt_type, "smbfs" ) ||
!strcmp( entry->mnt_type, "ncpfs" )) continue;
if (stat( entry->mnt_dir, &st ) == -1) continue;
if (st.st_dev != dev || st.st_ino != ino) continue;
if (!strcmp( entry->mnt_type, "supermount" ))
{
if ((device = strstr( entry->mnt_opts, "dev=" )))
{
char *p = strchr( device + 4, ',' );
if (p) *p = 0;
return device + 4;
}
}
else if (!stat( entry->mnt_fsname, &st ) && S_ISREG(st.st_mode))
{
/* if device is a regular file check for a loop mount */
if ((device = strstr( entry->mnt_opts, "loop=" )))
{
char *p = strchr( device + 5, ',' );
if (p) *p = 0;
return device + 5;
}
}
else
return entry->mnt_fsname;
}
return NULL;
}
#endif
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
#include <fstab.h>
static char *parse_mount_entries( FILE *f, dev_t dev, ino_t ino )
{
struct fstab *entry;
struct stat st;
while ((entry = getfsent()))
{
/* don't even bother stat'ing network mounts, there's no meaningful device anyway */
if (!strcmp( entry->fs_vfstype, "nfs" ) ||
!strcmp( entry->fs_vfstype, "smbfs" ) ||
!strcmp( entry->fs_vfstype, "ncpfs" )) continue;
if (stat( entry->fs_file, &st ) == -1) continue;
if (st.st_dev != dev || st.st_ino != ino) continue;
return entry->fs_spec;
}
return NULL;
}
#endif
#ifdef sun
#include <sys/mnttab.h>
static char *parse_mount_entries( FILE *f, dev_t dev, ino_t ino )
{
struct mnttab entry;
struct stat st;
char *device;
while (( ! getmntent( f, &entry) ))
{
/* don't even bother stat'ing network mounts, there's no meaningful device anyway */
if (!strcmp( entry.mnt_fstype, "nfs" ) ||
!strcmp( entry.mnt_fstype, "smbfs" ) ||
!strcmp( entry.mnt_fstype, "ncpfs" )) continue;
if (stat( entry.mnt_mountp, &st ) == -1) continue;
if (st.st_dev != dev || st.st_ino != ino) continue;
if (!strcmp( entry.mnt_fstype, "fd" ))
{
if ((device = strstr( entry.mnt_mntopts, "dev=" )))
{
char *p = strchr( device + 4, ',' );
if (p) *p = 0;
return device + 4;
}
}
else
return entry.mnt_special;
}
return NULL;
}
#endif
/***********************************************************************
* get_default_drive_device
*
* Return the default device to use for a given drive mount point.
*/
static char *get_default_drive_device( const char *root )
{
char *ret = NULL;
#ifdef linux
FILE *f;
char *device = NULL;
int fd, res = -1;
struct stat st;
/* try to open it first to force it to get mounted */
if ((fd = open( root, O_RDONLY | O_DIRECTORY )) != -1)
{
res = fstat( fd, &st );
close( fd );
}
/* now try normal stat just in case */
if (res == -1) res = stat( root, &st );
if (res == -1) return NULL;
mutex_lock( &mnt_mutex );
#ifdef __ANDROID__
if ((f = fopen( "/proc/mounts", "r" )))
{
device = parse_mount_entries( f, st.st_dev, st.st_ino );
fclose( f );
}
#else
if ((f = fopen( "/etc/mtab", "r" )))
{
device = parse_mount_entries( f, st.st_dev, st.st_ino );
fclose( f );
}
/* look through fstab too in case it's not mounted (for instance if it's an audio CD) */
if (!device && (f = fopen( "/etc/fstab", "r" )))
{
device = parse_mount_entries( f, st.st_dev, st.st_ino );
fclose( f );
}
#endif
if (device) ret = strdup( device );
mutex_unlock( &mnt_mutex );
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__ ) || defined(__DragonFly__)
char *device = NULL;
int fd, res = -1;
struct stat st;
/* try to open it first to force it to get mounted */
if ((fd = open( root, O_RDONLY )) != -1)
{
res = fstat( fd, &st );
close( fd );
}
/* now try normal stat just in case */
if (res == -1) res = stat( root, &st );
if (res == -1) return NULL;
mutex_lock( &mnt_mutex );
/* The FreeBSD parse_mount_entries doesn't require a file argument, so just
* pass NULL. Leave the argument in for symmetry.
*/
device = parse_mount_entries( NULL, st.st_dev, st.st_ino );
if (device) ret = strdup( device );
mutex_unlock( &mnt_mutex );
#elif defined( sun )
FILE *f;
char *device = NULL;
int fd, res = -1;
struct stat st;
/* try to open it first to force it to get mounted */
if ((fd = open( root, O_RDONLY )) != -1)
{
res = fstat( fd, &st );
close( fd );
}
/* now try normal stat just in case */
if (res == -1) res = stat( root, &st );
if (res == -1) return NULL;
mutex_lock( &mnt_mutex );
if ((f = fopen( "/etc/mnttab", "r" )))
{
device = parse_mount_entries( f, st.st_dev, st.st_ino);
fclose( f );
}
/* look through fstab too in case it's not mounted (for instance if it's an audio CD) */
if (!device && (f = fopen( "/etc/vfstab", "r" )))
{
device = parse_vfstab_entries( f, st.st_dev, st.st_ino );
fclose( f );
}
if (device) ret = strdup( device );
mutex_unlock( &mnt_mutex );
#elif defined(__APPLE__)
struct statfs *mntStat;
struct stat st;
int i;
int mntSize;
dev_t dev;
ino_t ino;
static const char path_bsd_device[] = "/dev/disk";
int res;
res = stat( root, &st );
if (res == -1) return NULL;
dev = st.st_dev;
ino = st.st_ino;
mutex_lock( &mnt_mutex );
mntSize = getmntinfo(&mntStat, MNT_NOWAIT);
for (i = 0; i < mntSize && !ret; i++)
{
if (stat(mntStat[i].f_mntonname, &st ) == -1) continue;
if (st.st_dev != dev || st.st_ino != ino) continue;
/* FIXME add support for mounted network drive */
if ( strncmp(mntStat[i].f_mntfromname, path_bsd_device, strlen(path_bsd_device)) == 0)
{
/* set return value to the corresponding raw BSD node */
ret = malloc( strlen(mntStat[i].f_mntfromname) + 2 /* 2 : r and \0 */ );
if (ret)
{
strcpy(ret, "/dev/r");
strcat(ret, mntStat[i].f_mntfromname+sizeof("/dev/")-1);
}
}
}
mutex_unlock( &mnt_mutex );
#else
static int warned;
if (!warned++) FIXME( "auto detection of DOS devices not supported on this platform\n" );
#endif
return ret;
}
/***********************************************************************
* get_device_mount_point
*
* Return the current mount point for a device.
*/
static char *get_device_mount_point( dev_t dev )
{
char *ret = NULL;
#ifdef linux
FILE *f;
mutex_lock( &mnt_mutex );
#ifdef __ANDROID__
if ((f = fopen( "/proc/mounts", "r" )))
#else
if ((f = fopen( "/etc/mtab", "r" )))
#endif
{
struct mntent *entry;
struct stat st;
char *p, *device;
while ((entry = getmntent( f )))
{
/* don't even bother stat'ing network mounts, there's no meaningful device anyway */
if (!strcmp( entry->mnt_type, "nfs" ) ||
!strcmp( entry->mnt_type, "cifs" ) ||
!strcmp( entry->mnt_type, "smbfs" ) ||
!strcmp( entry->mnt_type, "ncpfs" )) continue;
if (!strcmp( entry->mnt_type, "supermount" ))
{
if ((device = strstr( entry->mnt_opts, "dev=" )))
{
device += 4;
if ((p = strchr( device, ',' ))) *p = 0;
}
}
else if (!stat( entry->mnt_fsname, &st ) && S_ISREG(st.st_mode))
{
/* if device is a regular file check for a loop mount */
if ((device = strstr( entry->mnt_opts, "loop=" )))
{
device += 5;
if ((p = strchr( device, ',' ))) *p = 0;
}
}
else device = entry->mnt_fsname;
if (device && !stat( device, &st ) && S_ISBLK(st.st_mode) && st.st_rdev == dev)
{
ret = strdup( entry->mnt_dir );
break;
}
}
fclose( f );
}
mutex_unlock( &mnt_mutex );
#elif defined(__APPLE__)
struct statfs *entry;
struct stat st;
int i, size;
mutex_lock( &mnt_mutex );
size = getmntinfo( &entry, MNT_NOWAIT );
for (i = 0; i < size; i++)
{
if (stat( entry[i].f_mntfromname, &st ) == -1) continue;
if (S_ISBLK(st.st_mode) && st.st_rdev == dev)
{
ret = strdup( entry[i].f_mntonname );
break;
}
}
mutex_unlock( &mnt_mutex );
#else
static int warned;
if (!warned++) FIXME( "unmounting devices not supported on this platform\n" );
#endif
return ret;
}
#if defined(HAVE_GETATTRLIST) && defined(ATTR_VOL_CAPABILITIES) && \
defined(VOL_CAPABILITIES_FORMAT) && defined(VOL_CAP_FMT_CASE_SENSITIVE)
struct get_fsid
{
ULONG size;
dev_t dev;
fsid_t fsid;
};
struct fs_cache
{
dev_t dev;
fsid_t fsid;
BOOLEAN case_sensitive;
} fs_cache[64];
struct vol_caps
{
ULONG size;
vol_capabilities_attr_t caps;
};
/***********************************************************************
* look_up_fs_cache
*
* Checks if the specified file system is in the cache.
*/
static struct fs_cache *look_up_fs_cache( dev_t dev )
{
int i;
for (i = 0; i < ARRAY_SIZE( fs_cache ); i++)
if (fs_cache[i].dev == dev)
return fs_cache+i;
return NULL;
}
/***********************************************************************
* add_fs_cache
*
* Adds the specified file system to the cache.
*/
static void add_fs_cache( dev_t dev, fsid_t fsid, BOOLEAN case_sensitive )
{
int i;
struct fs_cache *entry = look_up_fs_cache( dev );
static int once = 0;
if (entry)
{
/* Update the cache */
entry->fsid = fsid;
entry->case_sensitive = case_sensitive;
return;
}
/* Add a new entry */
for (i = 0; i < ARRAY_SIZE( fs_cache ); i++)
if (fs_cache[i].dev == 0)
{
/* This entry is empty, use it */
fs_cache[i].dev = dev;
fs_cache[i].fsid = fsid;
fs_cache[i].case_sensitive = case_sensitive;
return;
}
/* Cache is out of space, warn */
if (!once++)
WARN( "FS cache is out of space, expect performance problems\n" );
}
/***********************************************************************
* get_dir_case_sensitivity_attr
*
* Checks if the volume containing the specified directory is case
* sensitive or not. Uses getattrlist(2).
*/
static int get_dir_case_sensitivity_attr( const char *dir )
{
char *mntpoint;
struct attrlist attr;
struct vol_caps caps;
struct get_fsid get_fsid;
struct fs_cache *entry;
/* First get the FS ID of the volume */
attr.bitmapcount = ATTR_BIT_MAP_COUNT;
attr.reserved = 0;
attr.commonattr = ATTR_CMN_DEVID|ATTR_CMN_FSID;
attr.volattr = attr.dirattr = attr.fileattr = attr.forkattr = 0;
get_fsid.size = 0;
if (getattrlist( dir, &attr, &get_fsid, sizeof(get_fsid), 0 ) != 0 ||
get_fsid.size != sizeof(get_fsid))
return -1;
/* Try to look it up in the cache */
entry = look_up_fs_cache( get_fsid.dev );
if (entry && !memcmp( &entry->fsid, &get_fsid.fsid, sizeof(fsid_t) ))
/* Cache lookup succeeded */
return entry->case_sensitive;
/* Cache is stale at this point, we have to update it */
mntpoint = get_device_mount_point( get_fsid.dev );
/* Now look up the case-sensitivity */
attr.commonattr = 0;
attr.volattr = ATTR_VOL_INFO|ATTR_VOL_CAPABILITIES;
if (getattrlist( mntpoint, &attr, &caps, sizeof(caps), 0 ) < 0)
{
free( mntpoint );
add_fs_cache( get_fsid.dev, get_fsid.fsid, TRUE );
return TRUE;
}
free( mntpoint );
if (caps.size == sizeof(caps) &&
(caps.caps.valid[VOL_CAPABILITIES_FORMAT] &
(VOL_CAP_FMT_CASE_SENSITIVE | VOL_CAP_FMT_CASE_PRESERVING)) ==
(VOL_CAP_FMT_CASE_SENSITIVE | VOL_CAP_FMT_CASE_PRESERVING))
{
BOOLEAN ret;
if ((caps.caps.capabilities[VOL_CAPABILITIES_FORMAT] &
VOL_CAP_FMT_CASE_SENSITIVE) != VOL_CAP_FMT_CASE_SENSITIVE)
ret = FALSE;
else
ret = TRUE;
/* Update the cache */
add_fs_cache( get_fsid.dev, get_fsid.fsid, ret );
return ret;
}
return FALSE;
}
#endif
/***********************************************************************
* get_dir_case_sensitivity_stat
*
* Checks if the volume containing the specified directory is case
* sensitive or not. Uses (f)statfs(2), statvfs(2), fstatat(2), or ioctl(2).
*/
static BOOLEAN get_dir_case_sensitivity_stat( const char *dir )
{
#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
struct statfs stfs;
if (statfs( dir, &stfs ) == -1) return TRUE;
/* Assume these file systems are always case insensitive.*/
if (!strcmp( stfs.f_fstypename, "fusefs" ) &&
!strncmp( stfs.f_mntfromname, "ciopfs", 5 ))
return FALSE;
/* msdosfs was case-insensitive since FreeBSD 8, if not earlier */
if (!strcmp( stfs.f_fstypename, "msdosfs" ) ||
/* older CIFS protocol versions uppercase filename on the client,
* newer versions should be case-insensitive on the server anyway */
!strcmp( stfs.f_fstypename, "smbfs" ))
return FALSE;
/* no ntfs-3g: modern fusefs has no way to report the filesystem on FreeBSD
* no cd9660 or udf, they're case-sensitive on FreeBSD
*/
#ifdef __APPLE__
if (!strcmp( stfs.f_fstypename, "msdos" ) ||
!strcmp( stfs.f_fstypename, "cd9660" ) ||
!strcmp( stfs.f_fstypename, "udf" ) ||
!strcmp( stfs.f_fstypename, "ntfs" ))
return FALSE;
#ifdef _DARWIN_FEATURE_64_BIT_INODE
if (!strcmp( stfs.f_fstypename, "hfs" ) && (stfs.f_fssubtype == 0 ||
stfs.f_fssubtype == 1 ||
stfs.f_fssubtype == 128))
return FALSE;
#else
/* The field says "reserved", but a quick look at the kernel source
* tells us that this "reserved" field is really the same as the
* "fssubtype" field from the inode64 structure (see munge_statfs()
* in <xnu-source>/bsd/vfs/vfs_syscalls.c).
*/
if (!strcmp( stfs.f_fstypename, "hfs" ) && (stfs.f_reserved1 == 0 ||
stfs.f_reserved1 == 1 ||
stfs.f_reserved1 == 128))
return FALSE;
#endif
#endif
return TRUE;
#elif defined(__NetBSD__)
struct statvfs stfs;
if (statvfs( dir, &stfs ) == -1) return TRUE;
/* Only assume CIOPFS is case insensitive. */
if (strcmp( stfs.f_fstypename, "fusefs" ) ||
strncmp( stfs.f_mntfromname, "ciopfs", 5 ))
return FALSE;
return TRUE;
#elif defined(__linux__)
BOOLEAN sens = TRUE;
struct statfs stfs;
struct stat st;
int fd, flags;
if ((fd = open( dir, O_RDONLY | O_NONBLOCK )) == -1)
return TRUE;
if (ioctl( fd, EXT2_IOC_GETFLAGS, &flags ) != -1 && (flags & EXT4_CASEFOLD_FL))
{
sens = FALSE;
}
else if (fstatfs( fd, &stfs ) == 0 && /* CIOPFS is case insensitive. Instead of */
stfs.f_type == 0x65735546 /* FUSE_SUPER_MAGIC */ && /* parsing mtab to discover if the FUSE FS */
fstatat( fd, ".ciopfs", &st, AT_NO_AUTOMOUNT ) == 0) /* is CIOPFS, look for .ciopfs in the dir. */
{
sens = FALSE;
}
close( fd );
return sens;
#else
return TRUE;
#endif
}
/***********************************************************************
* get_dir_case_sensitivity
*
* Checks if the volume containing the specified directory is case
* sensitive or not. Uses multiple methods, depending on platform.
*/
static BOOLEAN get_dir_case_sensitivity( const char *dir )
{
#if defined(HAVE_GETATTRLIST) && defined(ATTR_VOL_CAPABILITIES) && \
defined(VOL_CAPABILITIES_FORMAT) && defined(VOL_CAP_FMT_CASE_SENSITIVE)
int case_sensitive = get_dir_case_sensitivity_attr( dir );
if (case_sensitive != -1) return case_sensitive;
#endif
return get_dir_case_sensitivity_stat( dir );
}
/***********************************************************************
* is_hidden_file
*
* Check if the specified file should be hidden based on its name and the show dot files option.
*/
static BOOL is_hidden_file( const UNICODE_STRING *name )
{
WCHAR *p, *end;
if (show_dot_files) return FALSE;
end = p = name->Buffer + name->Length/sizeof(WCHAR);
while (p > name->Buffer && p[-1] == '\\') p--;
while (p > name->Buffer && p[-1] != '\\') p--;
return (p < end && *p == '.');
}
/***********************************************************************
* hash_short_file_name
*
* Transform a Unix file name into a hashed DOS name. If the name is not a valid
* DOS name, it is replaced by a hashed version that fits in 8.3 format.
* 'buffer' must be at least 12 characters long.
* Returns length of short name in bytes; short name is NOT null-terminated.
*/
static ULONG hash_short_file_name( const WCHAR *name, int length, LPWSTR buffer )
{
static const char hash_chars[32] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ012345";
LPCWSTR p, ext, end = name + length;
LPWSTR dst;
unsigned short hash;
int i;
/* Compute the hash code of the file name */
/* If you know something about hash functions, feel free to */
/* insert a better algorithm here... */
if (!is_case_sensitive)
{
for (p = name, hash = 0xbeef; p < end - 1; p++)
hash = (hash<<3) ^ (hash>>5) ^ towlower(*p) ^ (towlower(p[1]) << 8);
hash = (hash<<3) ^ (hash>>5) ^ towlower(*p); /* Last character */
}
else
{
for (p = name, hash = 0xbeef; p < end - 1; p++)
hash = (hash << 3) ^ (hash >> 5) ^ *p ^ (p[1] << 8);
hash = (hash << 3) ^ (hash >> 5) ^ *p; /* Last character */
}
/* Find last dot for start of the extension */
for (p = name + 1, ext = NULL; p < end - 1; p++) if (*p == '.') ext = p;
/* Copy first 4 chars, replacing invalid chars with '_' */
for (i = 4, p = name, dst = buffer; i > 0; i--, p++)
{
if (p == end || p == ext) break;
*dst++ = is_invalid_dos_char(*p) ? '_' : *p;
}
/* Pad to 5 chars with '~' */
while (i-- >= 0) *dst++ = '~';
/* Insert hash code converted to 3 ASCII chars */
*dst++ = hash_chars[(hash >> 10) & 0x1f];
*dst++ = hash_chars[(hash >> 5) & 0x1f];
*dst++ = hash_chars[hash & 0x1f];
/* Copy the first 3 chars of the extension (if any) */
if (ext)
{
*dst++ = '.';
for (i = 3, ext++; (i > 0) && ext < end; i--, ext++)
*dst++ = is_invalid_dos_char(*ext) ? '_' : *ext;
}
return dst - buffer;
}
/***********************************************************************
* match_filename
*
* Check a long file name against a mask.
*
* Tests (done in W95 DOS shell - case insensitive):
* *.txt test1.test.txt *
* *st1* test1.txt *
* *.t??????.t* test1.ta.tornado.txt *
* *tornado* test1.ta.tornado.txt *
* t*t test1.ta.tornado.txt *
* ?est* test1.txt *
* ?est??? test1.txt -
* *test1.txt* test1.txt *
* h?l?o*t.dat hellothisisatest.dat *
*/
static BOOLEAN match_filename( const WCHAR *name, int length, const UNICODE_STRING *mask_str )
{
BOOL mismatch;
const WCHAR *mask = mask_str->Buffer;
const WCHAR *name_end = name + length;
const WCHAR *mask_end = mask + mask_str->Length / sizeof(WCHAR);
const WCHAR *lastjoker = NULL;
const WCHAR *next_to_retry = NULL;
while (name < name_end && mask < mask_end)
{
switch(*mask)
{
case '*':
mask++;
while (mask < mask_end && *mask == '*') mask++; /* Skip consecutive '*' */
if (mask == mask_end) return TRUE; /* end of mask is all '*', so match */
lastjoker = mask;
/* skip to the next match after the joker(s) */
if (is_case_sensitive)
while (name < name_end && (*name != *mask)) name++;
else
while (name < name_end && (towupper(*name) != towupper(*mask))) name++;
next_to_retry = name;
break;
case '?':
case '>':
mask++;
name++;
break;
default:
if (is_case_sensitive) mismatch = (*mask != *name);
else mismatch = (towupper(*mask) != towupper(*name));
if (!mismatch)
{
mask++;
name++;
if (mask == mask_end)
{
if (name == name_end) return TRUE;
if (lastjoker) mask = lastjoker;
}
}
else /* mismatch ! */
{
if (lastjoker) /* we had an '*', so we can try unlimitedly */
{
mask = lastjoker;
/* this scan sequence was a mismatch, so restart
* 1 char after the first char we checked last time */
next_to_retry++;
name = next_to_retry;
}
else return FALSE; /* bad luck */
}
break;
}
}
while (mask < mask_end && ((*mask == '.') || (*mask == '*')))
mask++; /* Ignore trailing '.' or '*' in mask */
return (name == name_end && mask == mask_end);
}
/***********************************************************************
* is_legal_8dot3_name
*
* Simplified version of RtlIsNameLegalDOS8Dot3.
*/
static BOOLEAN is_legal_8dot3_name( const WCHAR *name, int len )
{
static const WCHAR invalid_chars[] = { INVALID_DOS_CHARS,':','/','\\',0 };
int i, dot = -1;
if (len > 12) return FALSE;
/* a starting . is invalid, except for . and .. */
if (len > 0 && name[0] == '.') return (len == 1 || (len == 2 && name[1] == '.'));
for (i = 0; i < len; i++)
{
if (name[i] > 0x7f) return FALSE;
if (wcschr( invalid_chars, name[i] )) return FALSE;
if (name[i] == '.')
{
if (dot != -1) return FALSE;
dot = i;
}
}
if (dot == -1) return (len <= 8);
if (dot > 8) return FALSE;
return (len - dot > 1 && len - dot < 5);
}
/***********************************************************************
* append_entry
*
* Add a file to the directory data if it matches the mask.
*/
static BOOL append_entry( struct dir_data *data, const char *long_name,
const char *short_name, const UNICODE_STRING *mask )
{
int long_len, short_len;
WCHAR long_nameW[MAX_DIR_ENTRY_LEN + 1];
WCHAR short_nameW[13];
long_len = ntdll_umbstowcs( long_name, strlen(long_name), long_nameW, ARRAY_SIZE(long_nameW) );
if (long_len == ARRAY_SIZE(long_nameW)) return TRUE;
long_nameW[long_len] = 0;
if (short_name)
{
short_len = ntdll_umbstowcs( short_name, strlen(short_name),
short_nameW, ARRAY_SIZE( short_nameW ) - 1 );
}
else /* generate a short name if necessary */
{
short_len = 0;
if (!is_legal_8dot3_name( long_nameW, long_len ))
short_len = hash_short_file_name( long_nameW, long_len, short_nameW );
}
short_nameW[short_len] = 0;
wcsupr( short_nameW );
TRACE( "long %s short %s mask %s\n",
debugstr_w( long_nameW ), debugstr_w( short_nameW ), debugstr_us( mask ));
if (mask && !match_filename( long_nameW, long_len, mask ))
{
if (!short_len) return TRUE; /* no short name to match */
if (!match_filename( short_nameW, short_len, mask )) return TRUE;
}
return add_dir_data_names( data, long_nameW, short_nameW, long_name );
}
/* fetch the attributes of a file */
static inline ULONG get_file_attributes( const struct stat *st )
{
ULONG attr;
if (S_ISDIR(st->st_mode))
attr = FILE_ATTRIBUTE_DIRECTORY;
else
attr = FILE_ATTRIBUTE_ARCHIVE;
if (!(st->st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
attr |= FILE_ATTRIBUTE_READONLY;
return attr;
}
static BOOL fd_is_mount_point( int fd, const struct stat *st )
{
struct stat parent;
return S_ISDIR( st->st_mode ) && !fstatat( fd, "..", &parent, 0 )
&& (parent.st_dev != st->st_dev || parent.st_ino == st->st_ino);
}
/* get the stat info and file attributes for a file (by file descriptor) */
static int fd_get_file_info( int fd, unsigned int options, struct stat *st, ULONG *attr )
{
int ret;
*attr = 0;
ret = fstat( fd, st );
if (ret == -1) return ret;
*attr |= get_file_attributes( st );
/* consider mount points to be reparse points (IO_REPARSE_TAG_MOUNT_POINT) */
if ((options & FILE_OPEN_REPARSE_POINT) && fd_is_mount_point( fd, st ))
*attr |= FILE_ATTRIBUTE_REPARSE_POINT;
return ret;
}
/* get the stat info and file attributes for a file (by name) */
static int get_file_info( const char *path, struct stat *st, ULONG *attr )
{
char *parent_path;
int ret;
*attr = 0;
ret = lstat( path, st );
if (ret == -1) return ret;
if (S_ISLNK( st->st_mode ))
{
ret = stat( path, st );
if (ret == -1) return ret;
/* is a symbolic link and a directory, consider these "reparse points" */
if (S_ISDIR( st->st_mode )) *attr |= FILE_ATTRIBUTE_REPARSE_POINT;
}
else if (S_ISDIR( st->st_mode ) && (parent_path = malloc( strlen(path) + 4 )))
{
struct stat parent_st;
/* consider mount points to be reparse points (IO_REPARSE_TAG_MOUNT_POINT) */
strcpy( parent_path, path );
strcat( parent_path, "/.." );
if (!stat( parent_path, &parent_st )
&& (st->st_dev != parent_st.st_dev || st->st_ino == parent_st.st_ino))
*attr |= FILE_ATTRIBUTE_REPARSE_POINT;
free( parent_path );
}
*attr |= get_file_attributes( st );
return ret;
}
#if defined(__ANDROID__) && !defined(HAVE_FUTIMENS)
static int futimens( int fd, const struct timespec spec[2] )
{
return syscall( __NR_utimensat, fd, NULL, spec, 0 );
}
#define HAVE_FUTIMENS
#endif /* __ANDROID__ */
#ifndef UTIME_OMIT
#define UTIME_OMIT ((1 << 30) - 2)
#endif
static BOOL set_file_times_precise( int fd, const LARGE_INTEGER *mtime,
const LARGE_INTEGER *atime, NTSTATUS *status )
{
#ifdef HAVE_FUTIMENS
struct timespec tv[2];
tv[0].tv_sec = tv[1].tv_sec = 0;
tv[0].tv_nsec = tv[1].tv_nsec = UTIME_OMIT;
if (atime->QuadPart)
{
tv[0].tv_sec = atime->QuadPart / 10000000 - SECS_1601_TO_1970;
tv[0].tv_nsec = (atime->QuadPart % 10000000) * 100;
}
if (mtime->QuadPart)
{
tv[1].tv_sec = mtime->QuadPart / 10000000 - SECS_1601_TO_1970;
tv[1].tv_nsec = (mtime->QuadPart % 10000000) * 100;
}
#ifdef __APPLE__
if (!&futimens) return FALSE;
#endif
if (futimens( fd, tv ) == -1) *status = errno_to_status( errno );
else *status = STATUS_SUCCESS;
return TRUE;
#else
return FALSE;
#endif
}
static NTSTATUS set_file_times( int fd, const LARGE_INTEGER *mtime, const LARGE_INTEGER *atime )
{
NTSTATUS status = STATUS_SUCCESS;
#if defined(HAVE_FUTIMES) || defined(HAVE_FUTIMESAT)
struct timeval tv[2];
struct stat st;
#endif
if (set_file_times_precise( fd, mtime, atime, &status ))
return status;
#if defined(HAVE_FUTIMES) || defined(HAVE_FUTIMESAT)
if (!atime->QuadPart || !mtime->QuadPart)
{
tv[0].tv_sec = tv[0].tv_usec = 0;
tv[1].tv_sec = tv[1].tv_usec = 0;
if (!fstat( fd, &st ))
{
tv[0].tv_sec = st.st_atime;
tv[1].tv_sec = st.st_mtime;
#ifdef HAVE_STRUCT_STAT_ST_ATIM
tv[0].tv_usec = st.st_atim.tv_nsec / 1000;
#elif defined(HAVE_STRUCT_STAT_ST_ATIMESPEC)
tv[0].tv_usec = st.st_atimespec.tv_nsec / 1000;
#endif
#ifdef HAVE_STRUCT_STAT_ST_MTIM
tv[1].tv_usec = st.st_mtim.tv_nsec / 1000;
#elif defined(HAVE_STRUCT_STAT_ST_MTIMESPEC)
tv[1].tv_usec = st.st_mtimespec.tv_nsec / 1000;
#endif
}
}
if (atime->QuadPart)
{
tv[0].tv_sec = atime->QuadPart / 10000000 - SECS_1601_TO_1970;
tv[0].tv_usec = (atime->QuadPart % 10000000) / 10;
}
if (mtime->QuadPart)
{
tv[1].tv_sec = mtime->QuadPart / 10000000 - SECS_1601_TO_1970;
tv[1].tv_usec = (mtime->QuadPart % 10000000) / 10;
}
#ifdef HAVE_FUTIMES
if (futimes( fd, tv ) == -1) status = errno_to_status( errno );
#elif defined(HAVE_FUTIMESAT)
if (futimesat( fd, NULL, tv ) == -1) status = errno_to_status( errno );
#endif
#else /* HAVE_FUTIMES || HAVE_FUTIMESAT */
FIXME( "setting file times not supported\n" );
status = STATUS_NOT_IMPLEMENTED;
#endif
return status;
}
static inline void get_file_times( const struct stat *st, LARGE_INTEGER *mtime, LARGE_INTEGER *ctime,
LARGE_INTEGER *atime, LARGE_INTEGER *creation )
{
mtime->QuadPart = ticks_from_time_t( st->st_mtime );
ctime->QuadPart = ticks_from_time_t( st->st_ctime );
atime->QuadPart = ticks_from_time_t( st->st_atime );
#ifdef HAVE_STRUCT_STAT_ST_MTIM
mtime->QuadPart += st->st_mtim.tv_nsec / 100;
#elif defined(HAVE_STRUCT_STAT_ST_MTIMESPEC)
mtime->QuadPart += st->st_mtimespec.tv_nsec / 100;
#endif
#ifdef HAVE_STRUCT_STAT_ST_CTIM
ctime->QuadPart += st->st_ctim.tv_nsec / 100;
#elif defined(HAVE_STRUCT_STAT_ST_CTIMESPEC)
ctime->QuadPart += st->st_ctimespec.tv_nsec / 100;
#endif
#ifdef HAVE_STRUCT_STAT_ST_ATIM
atime->QuadPart += st->st_atim.tv_nsec / 100;
#elif defined(HAVE_STRUCT_STAT_ST_ATIMESPEC)
atime->QuadPart += st->st_atimespec.tv_nsec / 100;
#endif
#ifdef HAVE_STRUCT_STAT_ST_BIRTHTIME
creation->QuadPart = ticks_from_time_t( st->st_birthtime );
#ifdef HAVE_STRUCT_STAT_ST_BIRTHTIM
creation->QuadPart += st->st_birthtim.tv_nsec / 100;
#elif defined(HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC)
creation->QuadPart += st->st_birthtimespec.tv_nsec / 100;
#endif
#elif defined(HAVE_STRUCT_STAT___ST_BIRTHTIME)
creation->QuadPart = ticks_from_time_t( st->__st_birthtime );
#ifdef HAVE_STRUCT_STAT___ST_BIRTHTIM
creation->QuadPart += st->__st_birthtim.tv_nsec / 100;
#endif
#else
*creation = *mtime;
#endif
}
/* fill in the file information that depends on the stat and attribute info */
static NTSTATUS fill_file_info( const struct stat *st, ULONG attr, void *ptr,
FILE_INFORMATION_CLASS class )
{
switch (class)
{
case FileBasicInformation:
{
FILE_BASIC_INFORMATION *info = ptr;
get_file_times( st, &info->LastWriteTime, &info->ChangeTime,
&info->LastAccessTime, &info->CreationTime );
info->FileAttributes = attr;
}
break;
case FileStandardInformation:
{
FILE_STANDARD_INFORMATION *info = ptr;
if ((info->Directory = S_ISDIR(st->st_mode)))
{
info->AllocationSize.QuadPart = 0;
info->EndOfFile.QuadPart = 0;
info->NumberOfLinks = 1;
}
else
{
info->AllocationSize.QuadPart = (ULONGLONG)st->st_blocks * 512;
info->EndOfFile.QuadPart = st->st_size;
info->NumberOfLinks = st->st_nlink;
}
}
break;
case FileInternalInformation:
{
FILE_INTERNAL_INFORMATION *info = ptr;
info->IndexNumber.QuadPart = st->st_ino;
}
break;
case FileEndOfFileInformation:
{
FILE_END_OF_FILE_INFORMATION *info = ptr;
info->EndOfFile.QuadPart = S_ISDIR(st->st_mode) ? 0 : st->st_size;
}
break;
case FileAllInformation:
{
FILE_ALL_INFORMATION *info = ptr;
fill_file_info( st, attr, &info->BasicInformation, FileBasicInformation );
fill_file_info( st, attr, &info->StandardInformation, FileStandardInformation );
fill_file_info( st, attr, &info->InternalInformation, FileInternalInformation );
}
break;
/* all directory structures start with the FileDirectoryInformation layout */
case FileBothDirectoryInformation:
case FileFullDirectoryInformation:
case FileDirectoryInformation:
{
FILE_DIRECTORY_INFORMATION *info = ptr;
get_file_times( st, &info->LastWriteTime, &info->ChangeTime,
&info->LastAccessTime, &info->CreationTime );
if (S_ISDIR(st->st_mode))
{
info->AllocationSize.QuadPart = 0;
info->EndOfFile.QuadPart = 0;
}
else
{
info->AllocationSize.QuadPart = (ULONGLONG)st->st_blocks * 512;
info->EndOfFile.QuadPart = st->st_size;
}
info->FileAttributes = attr;
}
break;
case FileIdFullDirectoryInformation:
{
FILE_ID_FULL_DIRECTORY_INFORMATION *info = ptr;
info->FileId.QuadPart = st->st_ino;
fill_file_info( st, attr, info, FileDirectoryInformation );
}
break;
case FileIdBothDirectoryInformation:
{
FILE_ID_BOTH_DIRECTORY_INFORMATION *info = ptr;
info->FileId.QuadPart = st->st_ino;
fill_file_info( st, attr, info, FileDirectoryInformation );
}
break;
case FileIdGlobalTxDirectoryInformation:
{
FILE_ID_GLOBAL_TX_DIR_INFORMATION *info = ptr;
info->FileId.QuadPart = st->st_ino;
fill_file_info( st, attr, info, FileDirectoryInformation );
}
break;
default:
return STATUS_INVALID_INFO_CLASS;
}
return STATUS_SUCCESS;
}
static NTSTATUS server_get_unix_name( HANDLE handle, char **unix_name )
{
data_size_t size = 1024;
NTSTATUS ret;
char *name;
for (;;)
{
if (!(name = malloc( size + 1 ))) return STATUS_NO_MEMORY;
SERVER_START_REQ( get_handle_unix_name )
{
req->handle = wine_server_obj_handle( handle );
wine_server_set_reply( req, name, size );
ret = wine_server_call( req );
size = reply->name_len;
}
SERVER_END_REQ;
if (!ret)
{
name[size] = 0;
*unix_name = name;
break;
}
free( name );
if (ret != STATUS_BUFFER_OVERFLOW) break;
}
return ret;
}
static NTSTATUS fill_name_info( const char *unix_name, FILE_NAME_INFORMATION *info, LONG *name_len )
{
WCHAR *nt_name;
NTSTATUS status;
if (!(status = unix_to_nt_file_name( unix_name, &nt_name )))
{
const WCHAR *ptr = nt_name;
const WCHAR *end = ptr + wcslen( nt_name );
/* Skip the volume mount point. */
while (ptr != end && *ptr == '\\') ++ptr;
while (ptr != end && *ptr != '\\') ++ptr;
while (ptr != end && *ptr == '\\') ++ptr;
while (ptr != end && *ptr != '\\') ++ptr;
info->FileNameLength = (end - ptr) * sizeof(WCHAR);
if (*name_len < info->FileNameLength) status = STATUS_BUFFER_OVERFLOW;
else *name_len = info->FileNameLength;
memcpy( info->FileName, ptr, *name_len );
free( nt_name );
}
return status;
}
static NTSTATUS server_get_file_info( HANDLE handle, IO_STATUS_BLOCK *io, void *buffer,
ULONG length, FILE_INFORMATION_CLASS info_class )
{
SERVER_START_REQ( get_file_info )
{
req->handle = wine_server_obj_handle( handle );
req->info_class = info_class;
wine_server_set_reply( req, buffer, length );
io->u.Status = wine_server_call( req );
io->Information = wine_server_reply_size( reply );
}
SERVER_END_REQ;
if (io->u.Status == STATUS_NOT_IMPLEMENTED)
FIXME( "Unsupported info class %x\n", info_class );
return io->u.Status;
}
static NTSTATUS server_open_file_object( HANDLE *handle, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr,
ULONG sharing, ULONG options )
{
NTSTATUS status;
SERVER_START_REQ( open_file_object )
{
req->access = access;
req->attributes = attr->Attributes;
req->rootdir = wine_server_obj_handle( attr->RootDirectory );
req->sharing = sharing;
req->options = options;
wine_server_add_data( req, attr->ObjectName->Buffer, attr->ObjectName->Length );
status = wine_server_call( req );
*handle = wine_server_ptr_handle( reply->handle );
}
SERVER_END_REQ;
return status;
}
/* retrieve device/inode number for all the drives */
static unsigned int get_drives_info( struct file_identity info[MAX_DOS_DRIVES] )
{
static pthread_mutex_t cache_mutex = PTHREAD_MUTEX_INITIALIZER;
static struct file_identity cache[MAX_DOS_DRIVES];
static time_t last_update;
static unsigned int nb_drives;
unsigned int ret;
time_t now = time(NULL);
mutex_lock( &cache_mutex );
if (now != last_update)
{
char *buffer, *p;
struct stat st;
unsigned int i;
if ((buffer = malloc( strlen(config_dir) + sizeof("/dosdevices/a:") )))
{
strcpy( buffer, config_dir );
strcat( buffer, "/dosdevices/a:" );
p = buffer + strlen(buffer) - 2;
for (i = nb_drives = 0; i < MAX_DOS_DRIVES; i++)
{
*p = 'a' + i;
if (!stat( buffer, &st ))
{
cache[i].dev = st.st_dev;
cache[i].ino = st.st_ino;
nb_drives++;
}
else
{
cache[i].dev = 0;
cache[i].ino = 0;
}
}
free( buffer );
}
last_update = now;
}
memcpy( info, cache, sizeof(cache) );
ret = nb_drives;
mutex_unlock( &cache_mutex );
return ret;
}
/* 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 file_identity info[MAX_DOS_DRIVES];
dev_t dev_id;
if (!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 = malloc( 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))
{
TRACE( "%s -> drive %c:, root=%s, name=%s\n",
debugstr_a(path), 'A' + drive, debugstr_a(buffer), debugstr_a(path + len));
free( buffer );
return drive;
}
}
}
if (len <= 1) break; /* reached root */
while (len > 1 && path[len - 1] != '/') len--;
while (len > 1 && path[len - 1] == '/') len--;
buffer[len] = 0;
}
free( buffer );
return -1;
}
static NTSTATUS get_mountmgr_fs_info( HANDLE handle, int fd, struct mountmgr_unix_drive *drive, ULONG size )
{
OBJECT_ATTRIBUTES attr;
UNICODE_STRING string;
char *unix_name;
IO_STATUS_BLOCK io = {0};
HANDLE mountmgr;
NTSTATUS status;
int letter;
if ((status = server_get_unix_name( handle, &unix_name ))) return status;
letter = find_dos_device( unix_name );
free( unix_name );
memset( drive, 0, sizeof(*drive) );
if (letter == -1)
{
struct stat st;
fstat( fd, &st );
drive->unix_dev = st.st_rdev ? st.st_rdev : st.st_dev;
}
else
drive->letter = 'a' + letter;
init_unicode_string( &string, MOUNTMGR_DEVICE_NAME );
InitializeObjectAttributes( &attr, &string, 0, NULL, NULL );
status = server_open_file_object( &mountmgr, GENERIC_READ | SYNCHRONIZE, &attr,
FILE_SHARE_READ | FILE_SHARE_WRITE, FILE_SYNCHRONOUS_IO_NONALERT );
if (status) return status;
status = NtDeviceIoControlFile( mountmgr, NULL, NULL, NULL, &io, IOCTL_MOUNTMGR_QUERY_UNIX_DRIVE,
drive, sizeof(*drive), drive, size );
NtClose( mountmgr );
if (status == STATUS_BUFFER_OVERFLOW) status = STATUS_SUCCESS;
else if (status) WARN("failed to retrieve filesystem type from mountmgr, status %#x\n", status);
return status;
}
/***********************************************************************
* get_dir_data_entry
*
* Return a directory entry from the cached data.
*/
static NTSTATUS get_dir_data_entry( struct dir_data *dir_data, void *info_ptr, IO_STATUS_BLOCK *io,
ULONG max_length, FILE_INFORMATION_CLASS class,
union file_directory_info **last_info )
{
const struct dir_data_names *names = &dir_data->names[dir_data->pos];
union file_directory_info *info;
struct stat st;
ULONG name_len, start, dir_size, attributes;
if (get_file_info( names->unix_name, &st, &attributes ) == -1)
{
TRACE( "file no longer exists %s\n", names->unix_name );
return STATUS_SUCCESS;
}
if (is_ignored_file( &st ))
{
TRACE( "ignoring file %s\n", names->unix_name );
return STATUS_SUCCESS;
}
start = dir_info_align( io->Information );
dir_size = dir_info_size( class, 0 );
if (start + dir_size > max_length) return STATUS_MORE_ENTRIES;
max_length -= start + dir_size;
name_len = wcslen( names->long_name ) * sizeof(WCHAR);
/* if this is not the first entry, fail; the first entry is always returned (but truncated) */
if (*last_info && name_len > max_length) return STATUS_MORE_ENTRIES;
info = (union file_directory_info *)((char *)info_ptr + start);
info->dir.NextEntryOffset = 0;
info->dir.FileIndex = 0; /* NTFS always has 0 here, so let's not bother with it */
/* all the structures except FileNamesInformation start with a FileDirectoryInformation layout */
if (class != FileNamesInformation)
{
if (st.st_dev != dir_data->id.dev) st.st_ino = 0; /* ignore inode if on a different device */
if (!show_dot_files && names->long_name[0] == '.' && names->long_name[1] &&
(names->long_name[1] != '.' || names->long_name[2]))
attributes |= FILE_ATTRIBUTE_HIDDEN;
fill_file_info( &st, attributes, info, class );
}
switch (class)
{
case FileDirectoryInformation:
info->dir.FileNameLength = name_len;
break;
case FileFullDirectoryInformation:
info->full.EaSize = 0; /* FIXME */
info->full.FileNameLength = name_len;
break;
case FileIdFullDirectoryInformation:
info->id_full.EaSize = 0; /* FIXME */
info->id_full.FileNameLength = name_len;
break;
case FileBothDirectoryInformation:
info->both.EaSize = 0; /* FIXME */
info->both.ShortNameLength = wcslen( names->short_name ) * sizeof(WCHAR);
memcpy( info->both.ShortName, names->short_name, info->both.ShortNameLength );
info->both.FileNameLength = name_len;
break;
case FileIdBothDirectoryInformation:
info->id_both.EaSize = 0; /* FIXME */
info->id_both.ShortNameLength = wcslen( names->short_name ) * sizeof(WCHAR);
memcpy( info->id_both.ShortName, names->short_name, info->id_both.ShortNameLength );
info->id_both.FileNameLength = name_len;
break;
case FileIdGlobalTxDirectoryInformation:
info->id_tx.TxInfoFlags = 0;
info->id_tx.FileNameLength = name_len;
break;
case FileNamesInformation:
info->names.FileNameLength = name_len;
break;
default:
assert(0);
return 0;
}
memcpy( (char *)info + dir_size, names->long_name, min( name_len, max_length ) );
io->Information = start + dir_size + min( name_len, max_length );
if (*last_info) (*last_info)->next = (char *)info - (char *)*last_info;
*last_info = info;
return name_len > max_length ? STATUS_BUFFER_OVERFLOW : STATUS_SUCCESS;
}
#ifdef VFAT_IOCTL_READDIR_BOTH
/***********************************************************************
* read_directory_vfat
*
* Read a directory using the VFAT ioctl; helper for NtQueryDirectoryFile.
*/
static NTSTATUS read_directory_data_vfat( struct dir_data *data, int fd, const UNICODE_STRING *mask )
{
char *short_name, *long_name;
KERNEL_DIRENT de[2];
NTSTATUS status = STATUS_NO_MEMORY;
off_t old_pos = lseek( fd, 0, SEEK_CUR );
lseek( fd, 0, SEEK_SET );
if (ioctl( fd, VFAT_IOCTL_READDIR_BOTH, (long)de ) == -1)
{
if (errno != ENOENT)
{
status = STATUS_NOT_SUPPORTED;
goto done;
}
de[0].d_reclen = 0;
}
if (!append_entry( data, ".", NULL, mask )) goto done;
if (!append_entry( data, "..", NULL, mask )) goto done;
while (de[0].d_reclen)
{
if (strcmp( de[0].d_name, "." ) && strcmp( de[0].d_name, ".." ))
{
if (de[1].d_name[0])
{
short_name = de[0].d_name;
long_name = de[1].d_name;
}
else
{
long_name = de[0].d_name;
short_name = NULL;
}
if (!append_entry( data, long_name, short_name, mask )) goto done;
}
if (ioctl( fd, VFAT_IOCTL_READDIR_BOTH, (long)de ) == -1) break;
}
status = STATUS_SUCCESS;
done:
lseek( fd, old_pos, SEEK_SET );
return status;
}
#endif /* VFAT_IOCTL_READDIR_BOTH */
#ifdef HAVE_GETATTRLIST
/***********************************************************************
* read_directory_getattrlist
*
* Read a single file from a directory by determining whether the file
* identified by mask exists using getattrlist.
*/
static NTSTATUS read_directory_data_getattrlist( struct dir_data *data, const char *unix_name )
{
struct attrlist attrlist;
#include "pshpack4.h"
struct
{
u_int32_t length;
struct attrreference name_reference;
fsobj_type_t type;
char name[NAME_MAX * 3 + 1];
} buffer;
#include "poppack.h"
memset( &attrlist, 0, sizeof(attrlist) );
attrlist.bitmapcount = ATTR_BIT_MAP_COUNT;
attrlist.commonattr = ATTR_CMN_NAME | ATTR_CMN_OBJTYPE;
if (getattrlist( unix_name, &attrlist, &buffer, sizeof(buffer), FSOPT_NOFOLLOW ) == -1)
return STATUS_NO_SUCH_FILE;
/* If unix_name named a symlink, the above may have succeeded even if the symlink is broken.
Check that with another call without FSOPT_NOFOLLOW. We don't ask for any attributes. */
if (buffer.type == VLNK)
{
u_int32_t dummy;
attrlist.commonattr = 0;
if (getattrlist( unix_name, &attrlist, &dummy, sizeof(dummy), 0 ) == -1)
return STATUS_NO_SUCH_FILE;
}
TRACE( "found %s\n", buffer.name );
if (!append_entry( data, buffer.name, NULL, NULL )) return STATUS_NO_MEMORY;
return STATUS_SUCCESS;
}
#endif /* HAVE_GETATTRLIST */
/***********************************************************************
* read_directory_stat
*
* Read a single file from a directory by determining whether the file
* identified by mask exists using stat.
*/
static NTSTATUS read_directory_data_stat( struct dir_data *data, const char *unix_name )
{
struct stat st;
/* if the file system is not case sensitive we can't find the actual name through stat() */
if (!get_dir_case_sensitivity(".")) return STATUS_NO_SUCH_FILE;
if (stat( unix_name, &st ) == -1) return STATUS_NO_SUCH_FILE;
TRACE( "found %s\n", unix_name );
if (!append_entry( data, unix_name, NULL, NULL )) return STATUS_NO_MEMORY;
return STATUS_SUCCESS;
}
/***********************************************************************
* read_directory_readdir
*
* Read a directory using the POSIX readdir interface; helper for NtQueryDirectoryFile.
*/
static NTSTATUS read_directory_data_readdir( struct dir_data *data, const UNICODE_STRING *mask )
{
struct dirent *de;
NTSTATUS status = STATUS_NO_MEMORY;
DIR *dir = opendir( "." );
if (!dir) return STATUS_NO_SUCH_FILE;
if (!append_entry( data, ".", NULL, mask )) goto done;
if (!append_entry( data, "..", NULL, mask )) goto done;
while ((de = readdir( dir )))
{
if (!strcmp( de->d_name, "." ) || !strcmp( de->d_name, ".." )) continue;
if (!append_entry( data, de->d_name, NULL, mask )) goto done;
}
status = STATUS_SUCCESS;
done:
closedir( dir );
return status;
}
/***********************************************************************
* read_directory_data
*
* Read the full contents of a directory, using one of the above helper functions.
*/
static NTSTATUS read_directory_data( struct dir_data *data, int fd, const UNICODE_STRING *mask )
{
NTSTATUS status;
#ifdef VFAT_IOCTL_READDIR_BOTH
if (!(status = read_directory_data_vfat( data, fd, mask ))) return status;
#endif
if (!has_wildcard( mask ))
{
/* convert the mask to a Unix name and check for it */
char unix_name[MAX_DIR_ENTRY_LEN * 3 + 1];
int ret = ntdll_wcstoumbs( mask->Buffer, mask->Length / sizeof(WCHAR),
unix_name, sizeof(unix_name) - 1, TRUE );
if (ret > 0)
{
unix_name[ret] = 0;
#ifdef HAVE_GETATTRLIST
if (!(status = read_directory_data_getattrlist( data, unix_name ))) return status;
#endif
if (!(status = read_directory_data_stat( data, unix_name ))) return status;
}
}
return read_directory_data_readdir( data, mask );
}
/* compare file names for directory sorting */
static int name_compare( const void *a, const void *b )
{
const struct dir_data_names *file_a = (const struct dir_data_names *)a;
const struct dir_data_names *file_b = (const struct dir_data_names *)b;
int ret = wcsicmp( file_a->long_name, file_b->long_name );
if (!ret) ret = wcscmp( file_a->long_name, file_b->long_name );
return ret;
}
/***********************************************************************
* init_cached_dir_data
*
* Initialize the cached directory contents.
*/
static NTSTATUS init_cached_dir_data( struct dir_data **data_ret, int fd, const UNICODE_STRING *mask )
{
struct dir_data *data;
struct stat st;
NTSTATUS status;
unsigned int i;
if (!(data = calloc( 1, sizeof(*data) ))) return STATUS_NO_MEMORY;
if ((status = read_directory_data( data, fd, mask )))
{
free_dir_data( data );
return status;
}
/* sort filenames, but not "." and ".." */
i = 0;
if (i < data->count && !strcmp( data->names[i].unix_name, "." )) i++;
if (i < data->count && !strcmp( data->names[i].unix_name, ".." )) i++;
if (i < data->count) qsort( data->names + i, data->count - i, sizeof(*data->names), name_compare );
if (data->count)
{
fstat( fd, &st );
data->id.dev = st.st_dev;
data->id.ino = st.st_ino;
}
TRACE( "mask %s found %u files\n", debugstr_us( mask ), data->count );
for (i = 0; i < data->count; i++)
TRACE( "%s %s\n", debugstr_w(data->names[i].long_name), debugstr_w(data->names[i].short_name) );
*data_ret = data;
return data->count ? STATUS_SUCCESS : STATUS_NO_SUCH_FILE;
}
/***********************************************************************
* get_cached_dir_data
*
* Retrieve the cached directory data, or initialize it if necessary.
*/
static NTSTATUS get_cached_dir_data( HANDLE handle, struct dir_data **data_ret, int fd,
const UNICODE_STRING *mask )
{
unsigned int i;
int entry = -1, free_entries[16];
NTSTATUS status;
SERVER_START_REQ( get_directory_cache_entry )
{
req->handle = wine_server_obj_handle( handle );
wine_server_set_reply( req, free_entries, sizeof(free_entries) );
if (!(status = wine_server_call( req ))) entry = reply->entry;
for (i = 0; i < wine_server_reply_size( reply ) / sizeof(*free_entries); i++)
{
int free_idx = free_entries[i];
if (free_idx < dir_data_cache_size)
{
free_dir_data( dir_data_cache[free_idx] );
dir_data_cache[free_idx] = NULL;
}
}
}
SERVER_END_REQ;
if (status)
{
if (status == STATUS_SHARING_VIOLATION) FIXME( "shared directory handle not supported yet\n" );
return status;
}
if (entry >= dir_data_cache_size)
{
unsigned int size = max( dir_data_cache_initial_size, max( dir_data_cache_size * 2, entry + 1 ) );
struct dir_data **new_cache = realloc( dir_data_cache, size * sizeof(*new_cache) );
if (!new_cache) return STATUS_NO_MEMORY;
memset( new_cache + dir_data_cache_size, 0, (size - dir_data_cache_size) * sizeof(*new_cache) );
dir_data_cache = new_cache;
dir_data_cache_size = size;
}
if (!dir_data_cache[entry]) status = init_cached_dir_data( &dir_data_cache[entry], fd, mask );
*data_ret = dir_data_cache[entry];
return status;
}
/******************************************************************************
* NtQueryDirectoryFile (NTDLL.@)
*/
NTSTATUS WINAPI NtQueryDirectoryFile( HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc_routine,
void *apc_context, IO_STATUS_BLOCK *io, void *buffer, ULONG length,
FILE_INFORMATION_CLASS info_class, BOOLEAN single_entry,
UNICODE_STRING *mask, BOOLEAN restart_scan )
{
int cwd, fd, needs_close;
enum server_fd_type type;
struct dir_data *data;
NTSTATUS status;
TRACE("(%p %p %p %p %p %p 0x%08x 0x%08x 0x%08x %s 0x%08x\n",
handle, event, apc_routine, apc_context, io, buffer,
length, info_class, single_entry, debugstr_us(mask),
restart_scan);
if (event || apc_routine)
{
FIXME( "Unsupported yet option\n" );
return STATUS_NOT_IMPLEMENTED;
}
switch (info_class)
{
case FileDirectoryInformation:
case FileBothDirectoryInformation:
case FileFullDirectoryInformation:
case FileIdBothDirectoryInformation:
case FileIdFullDirectoryInformation:
case FileIdGlobalTxDirectoryInformation:
case FileNamesInformation:
if (length < dir_info_align( dir_info_size( info_class, 1 ))) return STATUS_INFO_LENGTH_MISMATCH;
break;
case FileObjectIdInformation:
if (length != sizeof(FILE_OBJECTID_INFORMATION)) return STATUS_INFO_LENGTH_MISMATCH;
return STATUS_INVALID_INFO_CLASS;
case FileQuotaInformation:
if (length != sizeof(FILE_QUOTA_INFORMATION)) return STATUS_INFO_LENGTH_MISMATCH;
return STATUS_INVALID_INFO_CLASS;
case FileReparsePointInformation:
if (length != sizeof(FILE_REPARSE_POINT_INFORMATION)) return STATUS_INFO_LENGTH_MISMATCH;
return STATUS_INVALID_INFO_CLASS;
default:
return STATUS_INVALID_INFO_CLASS;
}
if (!buffer) return STATUS_ACCESS_VIOLATION;
if ((status = server_get_unix_fd( handle, FILE_LIST_DIRECTORY, &fd, &needs_close, &type, NULL )))
return status;
if (type != FD_TYPE_DIR)
{
if (needs_close) close( fd );
return STATUS_INVALID_PARAMETER;
}
io->Information = 0;
mutex_lock( &dir_mutex );
cwd = open( ".", O_RDONLY );
if (fchdir( fd ) != -1)
{
if (!(status = get_cached_dir_data( handle, &data, fd, mask )))
{
union file_directory_info *last_info = NULL;
if (restart_scan) data->pos = 0;
while (!status && data->pos < data->count)
{
status = get_dir_data_entry( data, buffer, io, length, info_class, &last_info );
if (!status || status == STATUS_BUFFER_OVERFLOW) data->pos++;
if (single_entry && last_info) break;
}
if (!last_info) status = STATUS_NO_MORE_FILES;
else if (status == STATUS_MORE_ENTRIES) status = STATUS_SUCCESS;
io->u.Status = status;
}
if (cwd == -1 || fchdir( cwd ) == -1) chdir( "/" );
}
else status = errno_to_status( errno );
mutex_unlock( &dir_mutex );
if (needs_close) close( fd );
if (cwd != -1) close( cwd );
TRACE( "=> %x (%ld)\n", status, io->Information );
return status;
}
/***********************************************************************
* find_file_in_dir
*
* Find a file in a directory the hard way, by doing a case-insensitive search.
* The file found is appended to unix_name at pos.
* There must be at least MAX_DIR_ENTRY_LEN+2 chars available at pos.
*/
static NTSTATUS find_file_in_dir( char *unix_name, int pos, const WCHAR *name, int length,
BOOLEAN check_case )
{
WCHAR buffer[MAX_DIR_ENTRY_LEN];
BOOLEAN is_name_8_dot_3;
DIR *dir;
struct dirent *de;
struct stat st;
int ret;
/* try a shortcut for this directory */
unix_name[pos++] = '/';
ret = ntdll_wcstoumbs( name, length, unix_name + pos, MAX_DIR_ENTRY_LEN + 1, TRUE );
if (ret >= 0 && ret <= MAX_DIR_ENTRY_LEN)
{
unix_name[pos + ret] = 0;
if (!stat( unix_name, &st )) return STATUS_SUCCESS;
}
if (check_case) goto not_found; /* we want an exact match */
if (pos > 1) unix_name[pos - 1] = 0;
else unix_name[1] = 0; /* keep the initial slash */
/* check if it fits in 8.3 so that we don't look for short names if we won't need them */
is_name_8_dot_3 = is_legal_8dot3_name( name, length );
#ifndef VFAT_IOCTL_READDIR_BOTH
is_name_8_dot_3 = is_name_8_dot_3 && length >= 8 && name[4] == '~';
#endif
if (!is_name_8_dot_3 && !get_dir_case_sensitivity( unix_name )) goto not_found;
/* now look for it through the directory */
#ifdef VFAT_IOCTL_READDIR_BOTH
if (is_name_8_dot_3)
{
int fd = open( unix_name, O_RDONLY | O_DIRECTORY );
if (fd != -1)
{
KERNEL_DIRENT kde[2];
if (ioctl( fd, VFAT_IOCTL_READDIR_BOTH, (long)kde ) != -1)
{
unix_name[pos - 1] = '/';
while (kde[0].d_reclen)
{
if (kde[1].d_name[0])
{
ret = ntdll_umbstowcs( kde[1].d_name, strlen(kde[1].d_name),
buffer, MAX_DIR_ENTRY_LEN );
if (ret == length && !wcsnicmp( buffer, name, ret ))
{
strcpy( unix_name + pos, kde[1].d_name );
close( fd );
return STATUS_SUCCESS;
}
}
ret = ntdll_umbstowcs( kde[0].d_name, strlen(kde[0].d_name),
buffer, MAX_DIR_ENTRY_LEN );
if (ret == length && !wcsnicmp( buffer, name, ret ))
{
strcpy( unix_name + pos,
kde[1].d_name[0] ? kde[1].d_name : kde[0].d_name );
close( fd );
return STATUS_SUCCESS;
}
if (ioctl( fd, VFAT_IOCTL_READDIR_BOTH, (long)kde ) == -1)
{
close( fd );
goto not_found;
}
}
/* if that did not work, restore previous state of unix_name */
unix_name[pos - 1] = 0;
}
close( fd );
}
/* fall through to normal handling */
}
#endif /* VFAT_IOCTL_READDIR_BOTH */
if (!(dir = opendir( unix_name ))) return errno_to_status( errno );
unix_name[pos - 1] = '/';
while ((de = readdir( dir )))
{
ret = ntdll_umbstowcs( de->d_name, strlen(de->d_name), buffer, MAX_DIR_ENTRY_LEN );
if (ret == length && !wcsnicmp( buffer, name, ret ))
{
strcpy( unix_name + pos, de->d_name );
closedir( dir );
return STATUS_SUCCESS;
}
if (!is_name_8_dot_3) continue;
if (!is_legal_8dot3_name( buffer, ret ))
{
WCHAR short_nameW[12];
ret = hash_short_file_name( buffer, ret, short_nameW );
if (ret == length && !wcsnicmp( short_nameW, name, length ))
{
strcpy( unix_name + pos, de->d_name );
closedir( dir );
return STATUS_SUCCESS;
}
}
}
closedir( dir );
not_found:
unix_name[pos - 1] = 0;
return STATUS_OBJECT_PATH_NOT_FOUND;
}
#ifndef _WIN64
static const WCHAR catrootW[] = {'s','y','s','t','e','m','3','2','\\','c','a','t','r','o','o','t',0};
static const WCHAR catroot2W[] = {'s','y','s','t','e','m','3','2','\\','c','a','t','r','o','o','t','2',0};
static const WCHAR driversstoreW[] = {'s','y','s','t','e','m','3','2','\\','d','r','i','v','e','r','s','s','t','o','r','e',0};
static const WCHAR driversetcW[] = {'s','y','s','t','e','m','3','2','\\','d','r','i','v','e','r','s','\\','e','t','c',0};
static const WCHAR logfilesW[] = {'s','y','s','t','e','m','3','2','\\','l','o','g','f','i','l','e','s',0};
static const WCHAR spoolW[] = {'s','y','s','t','e','m','3','2','\\','s','p','o','o','l',0};
static const WCHAR system32W[] = {'s','y','s','t','e','m','3','2',0};
static const WCHAR syswow64W[] = {'s','y','s','w','o','w','6','4',0};
static const WCHAR sysnativeW[] = {'s','y','s','n','a','t','i','v','e',0};
static const WCHAR regeditW[] = {'r','e','g','e','d','i','t','.','e','x','e',0};
static const WCHAR syswow64_regeditW[] = {'s','y','s','w','o','w','6','4','\\','r','e','g','e','d','i','t','.','e','x','e',0};
static const WCHAR windirW[] = {'\\','?','?','\\','C',':','\\','w','i','n','d','o','w','s','\\',0};
static const WCHAR syswow64dirW[] = {'\\','?','?','\\','C',':','\\','w','i','n','d','o','w','s','\\','s','y','s','w','o','w','6','4','\\'};
static const WCHAR * const no_redirect[] =
{
catrootW,
catroot2W,
driversstoreW,
driversetcW,
logfilesW,
spoolW
};
static struct file_identity windir, sysdir;
static inline ULONG starts_with_path( const WCHAR *name, ULONG name_len, const WCHAR *prefix )
{
ULONG len = wcslen( prefix );
if (name_len < len) return 0;
if (wcsnicmp( name, prefix, len )) return 0;
if (name_len > len && name[len] != '\\') return 0;
return len;
}
static BOOL replace_path( OBJECT_ATTRIBUTES *attr, UNICODE_STRING *str, ULONG prefix_len,
const WCHAR *match, const WCHAR *replace )
{
const WCHAR *name = attr->ObjectName->Buffer;
ULONG match_len, replace_len, len = attr->ObjectName->Length / sizeof(WCHAR);
WCHAR *p;
if (!starts_with_path( name + prefix_len, len - prefix_len, match )) return FALSE;
match_len = wcslen( match );
replace_len = wcslen( replace );
str->Length = (len + replace_len - match_len) * sizeof(WCHAR);
str->MaximumLength = str->Length + sizeof(WCHAR);
if (!(p = str->Buffer = malloc( str->MaximumLength ))) return FALSE;
memcpy( p, name, prefix_len * sizeof(WCHAR) );
p += prefix_len;
memcpy( p, replace, replace_len * sizeof(WCHAR) );
p += replace_len;
name += prefix_len + match_len;
len -= prefix_len + match_len;
memcpy( p, name, len * sizeof(WCHAR) );
p[len] = 0;
attr->ObjectName = str;
return TRUE;
}
/***********************************************************************
* init_redirects
*/
static void init_redirects(void)
{
static const char system_dir[] = "/dosdevices/c:/windows/system32";
char *dir;
struct stat st;
if (!(dir = malloc( strlen(config_dir) + sizeof(system_dir) ))) return;
strcpy( dir, config_dir );
strcat( dir, system_dir );
if (!stat( dir, &st ))
{
sysdir.dev = st.st_dev;
sysdir.ino = st.st_ino;
}
*strrchr( dir, '/' ) = 0;
if (!stat( dir, &st ))
{
windir.dev = st.st_dev;
windir.ino = st.st_ino;
}
else ERR( "%s: %s\n", dir, strerror(errno) );
free( dir );
}
/***********************************************************************
* get_redirect
*/
BOOL get_redirect( OBJECT_ATTRIBUTES *attr, UNICODE_STRING *redir )
{
const WCHAR *name = attr->ObjectName->Buffer;
unsigned int i, prefix_len = 0, len = attr->ObjectName->Length / sizeof(WCHAR);
redir->Buffer = NULL;
if (!NtCurrentTeb64()) return FALSE;
if (!len) return FALSE;
if (!attr->RootDirectory)
{
prefix_len = wcslen( windirW );
if (len < prefix_len || wcsnicmp( name, windirW, prefix_len )) return FALSE;
}
else
{
int fd, needs_close;
struct stat st;
if (server_get_unix_fd( attr->RootDirectory, 0, &fd, &needs_close, NULL, NULL )) return FALSE;
fstat( fd, &st );
if (needs_close) close( fd );
if (!is_same_file( &windir, &st ))
{
if (!is_same_file( &sysdir, &st )) return FALSE;
if (NtCurrentTeb64()->TlsSlots[WOW64_TLS_FILESYSREDIR]) return FALSE;
if (name[0] == '\\') return FALSE;
/* only check for paths that should NOT be redirected */
for (i = 0; i < ARRAY_SIZE( no_redirect ); i++)
if (starts_with_path( name, len, no_redirect[i] + 9 /* "system32\\" */)) return FALSE;
/* redirect everything else */
redir->Length = sizeof(syswow64dirW) + len * sizeof(WCHAR);
redir->MaximumLength = redir->Length + sizeof(WCHAR);
if (!(redir->Buffer = malloc( redir->MaximumLength ))) return FALSE;
memcpy( redir->Buffer, syswow64dirW, sizeof(syswow64dirW) );
memcpy( redir->Buffer + ARRAY_SIZE(syswow64dirW), name, len * sizeof(WCHAR) );
redir->Buffer[redir->Length / sizeof(WCHAR)] = 0;
attr->RootDirectory = 0;
attr->ObjectName = redir;
return TRUE;
}
}
/* sysnative is redirected even when redirection is disabled */
if (replace_path( attr, redir, prefix_len, sysnativeW, system32W )) return TRUE;
if (NtCurrentTeb64()->TlsSlots[WOW64_TLS_FILESYSREDIR]) return FALSE;
for (i = 0; i < ARRAY_SIZE( no_redirect ); i++)
if (starts_with_path( name + prefix_len, len - prefix_len, no_redirect[i] )) return FALSE;
if (replace_path( attr, redir, prefix_len, system32W, syswow64W )) return TRUE;
if (replace_path( attr, redir, prefix_len, regeditW, syswow64_regeditW )) return TRUE;
return FALSE;
}
#else /* _WIN64 */
/* there are no redirects on 64-bit */
BOOL get_redirect( OBJECT_ATTRIBUTES *attr, UNICODE_STRING *redir )
{
redir->Buffer = NULL;
return FALSE;
}
#endif
#define IS_OPTION_TRUE(ch) ((ch) == 'y' || (ch) == 'Y' || (ch) == 't' || (ch) == 'T' || (ch) == '1')
/***********************************************************************
* init_files
*/
void init_files(void)
{
HANDLE key;
#ifndef _WIN64
if (is_wow64) init_redirects();
#endif
/* a couple of directories that we don't want to return in directory searches */
ignore_file( config_dir );
ignore_file( "/dev" );
ignore_file( "/proc" );
#ifdef linux
ignore_file( "/sys" );
#endif
/* retrieve initial umask */
start_umask = umask( 0777 );
umask( start_umask );
if (!open_hkcu_key( "Software\\Wine", &key ))
{
static WCHAR showdotfilesW[] = {'S','h','o','w','D','o','t','F','i','l','e','s',0};
char tmp[80];
DWORD dummy;
UNICODE_STRING nameW;
init_unicode_string( &nameW, showdotfilesW );
if (!NtQueryValueKey( key, &nameW, KeyValuePartialInformation, tmp, sizeof(tmp), &dummy ))
{
WCHAR *str = (WCHAR *)((KEY_VALUE_PARTIAL_INFORMATION *)tmp)->Data;
show_dot_files = IS_OPTION_TRUE( str[0] );
}
NtClose( key );
}
}
/******************************************************************************
* get_dos_device
*
* Get the Unix path of a DOS device.
*/
static NTSTATUS get_dos_device( char **unix_name, int start_pos )
{
struct stat st;
char *new_name, *dev = *unix_name + start_pos;
/* special case for drive devices */
if (dev[0] && dev[1] == ':' && !dev[2]) strcpy( dev + 1, "::" );
if (strchr( dev, '/' )) goto failed;
for (;;)
{
if (!stat( *unix_name, &st ))
{
TRACE( "-> %s\n", debugstr_a(*unix_name));
return STATUS_SUCCESS;
}
if (!dev) break;
/* now try some defaults for it */
if (!strcmp( dev, "aux" ))
{
strcpy( dev, "com1" );
continue;
}
if (!strcmp( dev, "prn" ))
{
strcpy( dev, "lpt1" );
continue;
}
new_name = NULL;
if (dev[1] == ':' && dev[2] == ':') /* drive device */
{
dev[2] = 0; /* remove last ':' to get the drive mount point symlink */
new_name = get_default_drive_device( *unix_name );
}
free( *unix_name );
*unix_name = new_name;
if (!new_name) return STATUS_BAD_DEVICE_TYPE;
dev = NULL; /* last try */
}
failed:
free( *unix_name );
*unix_name = NULL;
return STATUS_BAD_DEVICE_TYPE;
}
/* return the length of the DOS namespace prefix if any */
static inline int get_dos_prefix_len( const UNICODE_STRING *name )
{
static const WCHAR nt_prefixW[] = {'\\','?','?','\\'};
static const WCHAR dosdev_prefixW[] = {'\\','D','o','s','D','e','v','i','c','e','s','\\'};
if (name->Length >= sizeof(nt_prefixW) &&
!memcmp( name->Buffer, nt_prefixW, sizeof(nt_prefixW) ))
return ARRAY_SIZE( nt_prefixW );
if (name->Length >= sizeof(dosdev_prefixW) &&
!wcsnicmp( name->Buffer, dosdev_prefixW, ARRAY_SIZE( dosdev_prefixW )))
return ARRAY_SIZE( dosdev_prefixW );
return 0;
}
/***********************************************************************
* remove_last_componentA
*
* Remove the last component of the path. Helper for find_drive_rootA.
*/
static inline unsigned int remove_last_componentA( const char *path, unsigned int len )
{
int level = 0;
while (level < 1)
{
/* find start of the last path component */
unsigned int prev = len;
if (prev <= 1) break; /* reached root */
while (prev > 1 && path[prev - 1] != '/') prev--;
/* does removing it take us up a level? */
if (len - prev != 1 || path[prev] != '.') /* not '.' */
{
if (len - prev == 2 && path[prev] == '.' && path[prev+1] == '.') /* is it '..'? */
level--;
else
level++;
}
/* strip off trailing slashes */
while (prev > 1 && path[prev - 1] == '/') prev--;
len = prev;
}
return len;
}
/***********************************************************************
* find_drive_rootA
*
* Find a drive for which the root matches the beginning of the given path.
* This can be used to translate a Unix path into a drive + DOS path.
* Return value is the drive, or -1 on error. On success, ppath is modified
* to point to the beginning of the DOS path.
*/
static NTSTATUS find_drive_rootA( LPCSTR *ppath, unsigned int len, int *drive_ret )
{
/* Starting with the full path, check if the device and inode match any of
* the wine 'drives'. If not then remove the last path component and try
* again. If the last component was a '..' then skip a normal component
* since it's a directory that's ascended back out of.
*/
int drive;
char *buffer;
const char *path = *ppath;
struct stat st;
struct file_identity info[MAX_DOS_DRIVES];
/* get device and inode of all drives */
if (!get_drives_info( info )) return STATUS_OBJECT_PATH_NOT_FOUND;
/* strip off trailing slashes */
while (len > 1 && path[len - 1] == '/') len--;
/* make a copy of the path */
if (!(buffer = malloc( len + 1 ))) return STATUS_NO_MEMORY;
memcpy( buffer, path, len );
buffer[len] = 0;
for (;;)
{
if (!stat( buffer, &st ) && S_ISDIR( st.st_mode ))
{
/* Find the drive */
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));
*ppath += len;
*drive_ret = drive;
free( buffer );
return STATUS_SUCCESS;
}
}
}
if (len <= 1) break; /* reached root */
len = remove_last_componentA( buffer, len );
buffer[len] = 0;
}
free( buffer );
return STATUS_OBJECT_PATH_NOT_FOUND;
}
/******************************************************************************
* find_file_id
*
* Recursively search directories from the dir queue for a given inode.
*/
static NTSTATUS find_file_id( char **unix_name, ULONG *len, ULONGLONG file_id, dev_t dev )
{
unsigned int pos;
DIR *dir;
struct dirent *de;
NTSTATUS status;
struct stat st;
char *name = *unix_name;
while (!(status = next_dir_in_queue( name )))
{
if (!(dir = opendir( name ))) continue;
TRACE( "searching %s for %s\n", debugstr_a(name), wine_dbgstr_longlong(file_id) );
pos = strlen( name );
if (pos + MAX_DIR_ENTRY_LEN >= *len / sizeof(WCHAR))
{
if (!(name = realloc( name, *len * 2 )))
{
closedir( dir );
return STATUS_NO_MEMORY;
}
*len *= 2;
*unix_name = name;
}
name[pos++] = '/';
while ((de = readdir( dir )))
{
if (!strcmp( de->d_name, "." ) || !strcmp( de->d_name, ".." )) continue;
strcpy( name + pos, de->d_name );
if (lstat( name, &st ) == -1) continue;
if (st.st_dev != dev) continue;
if (st.st_ino == file_id)
{
closedir( dir );
return STATUS_SUCCESS;
}
if (!S_ISDIR( st.st_mode )) continue;
if ((status = add_dir_to_queue( name )) != STATUS_SUCCESS)
{
closedir( dir );
return status;
}
}
closedir( dir );
}
return status;
}
/******************************************************************************
* file_id_to_unix_file_name
*
* Lookup a file from its file id instead of its name.
*/
static NTSTATUS file_id_to_unix_file_name( const OBJECT_ATTRIBUTES *attr, char **unix_name_ret,
UNICODE_STRING *nt_name )
{
enum server_fd_type type;
int old_cwd, root_fd, needs_close;
char *unix_name;
ULONG len;
NTSTATUS status;
ULONGLONG file_id;
struct stat st, root_st;
nt_name->Buffer = NULL;
if (attr->ObjectName->Length != sizeof(ULONGLONG)) return STATUS_OBJECT_PATH_SYNTAX_BAD;
if (!attr->RootDirectory) return STATUS_INVALID_PARAMETER;
memcpy( &file_id, attr->ObjectName->Buffer, sizeof(file_id) );
len = 2 * MAX_DIR_ENTRY_LEN + 4;
if (!(unix_name = malloc( len ))) return STATUS_NO_MEMORY;
strcpy( unix_name, "." );
if ((status = server_get_unix_fd( attr->RootDirectory, 0, &root_fd, &needs_close, &type, NULL )))
goto done;
if (type != FD_TYPE_DIR)
{
status = STATUS_OBJECT_TYPE_MISMATCH;
goto done;
}
fstat( root_fd, &root_st );
if (root_st.st_ino == file_id) /* shortcut for "." */
{
status = STATUS_SUCCESS;
goto done;
}
mutex_lock( &dir_mutex );
if ((old_cwd = open( ".", O_RDONLY )) != -1 && fchdir( root_fd ) != -1)
{
/* shortcut for ".." */
if (!stat( "..", &st ) && st.st_dev == root_st.st_dev && st.st_ino == file_id)
{
strcpy( unix_name, ".." );
status = STATUS_SUCCESS;
}
else
{
status = add_dir_to_queue( "." );
if (!status)
status = find_file_id( &unix_name, &len, file_id, root_st.st_dev );
if (!status) /* get rid of "./" prefix */
memmove( unix_name, unix_name + 2, strlen(unix_name) - 1 );
flush_dir_queue();
}
if (fchdir( old_cwd ) == -1) chdir( "/" );
}
else status = errno_to_status( errno );
mutex_unlock( &dir_mutex );
if (old_cwd != -1) close( old_cwd );
done:
if (status == STATUS_SUCCESS)
{
TRACE( "%s -> %s\n", wine_dbgstr_longlong(file_id), debugstr_a(unix_name) );
*unix_name_ret = unix_name;
nt_name->MaximumLength = (strlen(unix_name) + 1) * sizeof(WCHAR);
if ((nt_name->Buffer = malloc( nt_name->MaximumLength )))
{
DWORD i, len = ntdll_umbstowcs( unix_name, strlen(unix_name), nt_name->Buffer, strlen(unix_name) );
nt_name->Buffer[len] = 0;
nt_name->Length = len * sizeof(WCHAR);
for (i = 0; i < len; i++) if (nt_name->Buffer[i] == '/') nt_name->Buffer[i] = '\\';
}
}
else
{
TRACE( "%s not found in dir %p\n", wine_dbgstr_longlong(file_id), attr->RootDirectory );
free( unix_name );
}
if (needs_close) close( root_fd );
return status;
}
/******************************************************************************
* lookup_unix_name
*
* Helper for nt_to_unix_file_name
*/
static NTSTATUS lookup_unix_name( const WCHAR *name, int name_len, char **buffer, int unix_len, int pos,
UINT disposition, BOOL is_unix )
{
static const WCHAR invalid_charsW[] = { INVALID_NT_CHARS, '/', 0 };
NTSTATUS status;
int ret;
struct stat st;
char *unix_name = *buffer;
const WCHAR *ptr, *end;
/* check syntax of individual components */
for (ptr = name, end = name + name_len; ptr < end; ptr++)
{
if (*ptr == '\\') return STATUS_OBJECT_NAME_INVALID; /* duplicate backslash */
if (*ptr == '.')
{
if (ptr + 1 == end) return STATUS_OBJECT_NAME_INVALID; /* "." element */
if (ptr[1] == '\\') return STATUS_OBJECT_NAME_INVALID; /* "." element */
if (ptr[1] == '.')
{
if (ptr + 2 == end) return STATUS_OBJECT_NAME_INVALID; /* ".." element */
if (ptr[2] == '\\') return STATUS_OBJECT_NAME_INVALID; /* ".." element */
}
}
/* check for invalid characters (all chars except 0 are valid for unix) */
for ( ; ptr < end && *ptr != '\\'; ptr++)
{
if (!*ptr) return STATUS_OBJECT_NAME_INVALID;
if (is_unix) continue;
if (*ptr < 32 || wcschr( invalid_charsW, *ptr )) return STATUS_OBJECT_NAME_INVALID;
}
}
/* try a shortcut first */
unix_name[pos] = '/';
ret = ntdll_wcstoumbs( name, name_len, unix_name + pos + 1, unix_len - pos - 1, TRUE );
if (ret >= 0 && ret < unix_len - pos - 1)
{
char *p;
unix_name[pos + 1 + ret] = 0;
for (p = unix_name + pos ; *p; p++) if (*p == '\\') *p = '/';
if (!stat( unix_name, &st ))
{
if (disposition == FILE_CREATE) return STATUS_OBJECT_NAME_COLLISION;
return STATUS_SUCCESS;
}
}
if (!name_len) /* empty name -> drive root doesn't exist */
return STATUS_OBJECT_PATH_NOT_FOUND;
if (is_unix && (disposition == FILE_OPEN || disposition == FILE_OVERWRITE))
return STATUS_OBJECT_NAME_NOT_FOUND;
/* now do it component by component */
while (name_len)
{
const WCHAR *end, *next;
end = name;
while (end < name + name_len && *end != '\\') end++;
next = end;
if (next < name + name_len) next++;
name_len -= next - name;
/* grow the buffer if needed */
if (unix_len - pos < MAX_DIR_ENTRY_LEN + 2)
{
char *new_name;
unix_len += 2 * MAX_DIR_ENTRY_LEN;
if (!(new_name = realloc( unix_name, unix_len ))) return STATUS_NO_MEMORY;
unix_name = *buffer = new_name;
}
status = find_file_in_dir( unix_name, pos, name, end - name, is_unix );
/* if this is the last element, not finding it is not necessarily fatal */
if (!name_len)
{
if (status == STATUS_OBJECT_PATH_NOT_FOUND)
{
status = STATUS_OBJECT_NAME_NOT_FOUND;
if (disposition != FILE_OPEN && disposition != FILE_OVERWRITE)
{
ret = ntdll_wcstoumbs( name, end - name, unix_name + pos + 1, MAX_DIR_ENTRY_LEN + 1, TRUE );
if (ret > 0 && ret <= MAX_DIR_ENTRY_LEN)
{
unix_name[pos] = '/';
unix_name[pos + 1 + ret] = 0;
status = STATUS_NO_SUCH_FILE;
break;
}
}
}
else if (status == STATUS_SUCCESS && disposition == FILE_CREATE)
{
status = STATUS_OBJECT_NAME_COLLISION;
}
}
if (status != STATUS_SUCCESS) break;
pos += strlen( unix_name + pos );
name = next;
}
return status;
}
/******************************************************************************
* nt_to_unix_file_name_no_root
*/
static NTSTATUS nt_to_unix_file_name_no_root( const UNICODE_STRING *nameW, char **unix_name_ret,
UINT disposition )
{
static const WCHAR unixW[] = {'u','n','i','x'};
static const WCHAR invalid_charsW[] = { INVALID_NT_CHARS, 0 };
NTSTATUS status = STATUS_SUCCESS;
const WCHAR *name;
struct stat st;
char *unix_name;
int pos, ret, name_len, unix_len, prefix_len;
WCHAR prefix[MAX_DIR_ENTRY_LEN + 1];
BOOLEAN is_unix = FALSE;
name = nameW->Buffer;
name_len = nameW->Length / sizeof(WCHAR);
if (!name_len || name[0] != '\\') return STATUS_OBJECT_PATH_SYNTAX_BAD;
if (!(pos = get_dos_prefix_len( nameW )))
return STATUS_BAD_DEVICE_TYPE; /* no DOS prefix, assume NT native name */
name += pos;
name_len -= pos;
if (!name_len) return STATUS_OBJECT_NAME_INVALID;
/* check for sub-directory */
for (pos = 0; pos < name_len && pos <= MAX_DIR_ENTRY_LEN; pos++)
{
if (name[pos] == '\\') break;
if (name[pos] < 32 || wcschr( invalid_charsW, name[pos] ))
return STATUS_OBJECT_NAME_INVALID;
prefix[pos] = (name[pos] >= 'A' && name[pos] <= 'Z') ? name[pos] + 'a' - 'A' : name[pos];
}
if (pos > MAX_DIR_ENTRY_LEN) return STATUS_OBJECT_NAME_INVALID;
if (pos >= 4 && !memcmp( prefix, unixW, sizeof(unixW) ))
{
/* allow slash for unix namespace */
if (pos > 4 && prefix[4] == '/') pos = 4;
is_unix = pos == 4;
}
prefix_len = pos;
prefix[prefix_len] = 0;
unix_len = name_len * 3 + MAX_DIR_ENTRY_LEN + 3;
unix_len += strlen(config_dir) + sizeof("/dosdevices/");
if (!(unix_name = malloc( unix_len ))) return STATUS_NO_MEMORY;
strcpy( unix_name, config_dir );
strcat( unix_name, "/dosdevices/" );
pos = strlen(unix_name);
ret = ntdll_wcstoumbs( prefix, prefix_len, unix_name + pos, unix_len - pos - 1, TRUE );
if (ret <= 0)
{
free( unix_name );
return STATUS_OBJECT_NAME_INVALID;
}
if (prefix_len == name_len) /* no subdir, plain DOS device */
{
unix_name[pos + ret] = 0;
*unix_name_ret = unix_name;
return get_dos_device( unix_name_ret, pos );
}
pos += ret;
/* check if prefix exists (except for DOS drives to avoid extra stat calls) */
if (wcschr( prefix, '/' ))
{
free( unix_name );
return STATUS_OBJECT_PATH_NOT_FOUND;
}
if (prefix_len != 2 || prefix[1] != ':')
{
unix_name[pos] = 0;
if (lstat( unix_name, &st ) == -1 && errno == ENOENT)
{
if (!is_unix)
{
free( unix_name );
return STATUS_BAD_DEVICE_TYPE;
}
pos = 0; /* fall back to unix root */
}
}
prefix_len++; /* skip initial backslash */
if (name_len > prefix_len && name[prefix_len] == '\\') prefix_len++; /* allow a second backslash */
name += prefix_len;
name_len -= prefix_len;
status = lookup_unix_name( name, name_len, &unix_name, unix_len, pos, disposition, is_unix );
if (status == STATUS_SUCCESS || status == STATUS_NO_SUCH_FILE)
{
TRACE( "%s -> %s\n", debugstr_us(nameW), debugstr_a(unix_name) );
*unix_name_ret = unix_name;
}
else
{
TRACE( "%s not found in %s\n", debugstr_w(name), unix_name );
free( unix_name );
}
return status;
}
/******************************************************************************
* nt_to_unix_file_name
*
* Convert a file name from NT namespace to Unix namespace.
*
* If disposition is not FILE_OPEN or FILE_OVERWRITE, the last path
* element doesn't have to exist; in that case STATUS_NO_SUCH_FILE is
* returned, but the unix name is still filled in properly.
*/
NTSTATUS nt_to_unix_file_name( const OBJECT_ATTRIBUTES *attr, char **name_ret, UINT disposition )
{
enum server_fd_type type;
int old_cwd, root_fd, needs_close;
const WCHAR *name;
char *unix_name;
int name_len, unix_len;
NTSTATUS status;
if (!attr->RootDirectory) /* without root dir fall back to normal lookup */
return nt_to_unix_file_name_no_root( attr->ObjectName, name_ret, disposition );
name = attr->ObjectName->Buffer;
name_len = attr->ObjectName->Length / sizeof(WCHAR);
if (name_len && name[0] == '\\') return STATUS_INVALID_PARAMETER;
unix_len = name_len * 3 + MAX_DIR_ENTRY_LEN + 3;
if (!(unix_name = malloc( unix_len ))) return STATUS_NO_MEMORY;
unix_name[0] = '.';
if (!(status = server_get_unix_fd( attr->RootDirectory, 0, &root_fd, &needs_close, &type, NULL )))
{
if (type != FD_TYPE_DIR)
{
if (needs_close) close( root_fd );
status = STATUS_BAD_DEVICE_TYPE;
}
else
{
mutex_lock( &dir_mutex );
if ((old_cwd = open( ".", O_RDONLY )) != -1 && fchdir( root_fd ) != -1)
{
status = lookup_unix_name( name, name_len, &unix_name, unix_len, 1, disposition, FALSE );
if (fchdir( old_cwd ) == -1) chdir( "/" );
}
else status = errno_to_status( errno );
mutex_unlock( &dir_mutex );
if (old_cwd != -1) close( old_cwd );
if (needs_close) close( root_fd );
}
}
else if (status == STATUS_OBJECT_TYPE_MISMATCH) status = STATUS_BAD_DEVICE_TYPE;
if (status == STATUS_SUCCESS || status == STATUS_NO_SUCH_FILE)
{
TRACE( "%s -> %s\n", debugstr_us(attr->ObjectName), debugstr_a(unix_name) );
*name_ret = unix_name;
}
else
{
TRACE( "%s not found in %s\n", debugstr_w(name), unix_name );
free( unix_name );
}
return status;
}
/******************************************************************************
* wine_nt_to_unix_file_name
*
* Convert a file name from NT namespace to Unix namespace.
*
* If disposition is not FILE_OPEN or FILE_OVERWRITE, the last path
* element doesn't have to exist; in that case STATUS_NO_SUCH_FILE is
* returned, but the unix name is still filled in properly.
*/
NTSTATUS WINAPI wine_nt_to_unix_file_name( const OBJECT_ATTRIBUTES *attr, char *nameA, ULONG *size,
UINT disposition )
{
char *buffer = NULL;
NTSTATUS status;
UNICODE_STRING redir;
OBJECT_ATTRIBUTES new_attr = *attr;
get_redirect( &new_attr, &redir );
status = nt_to_unix_file_name( &new_attr, &buffer, disposition );
if (buffer)
{
struct stat st1, st2;
char *name = buffer;
/* remove dosdevices prefix for z: drive if it points to the Unix root */
if (!strncmp( buffer, config_dir, strlen(config_dir) ) &&
!strncmp( buffer + strlen(config_dir), "/dosdevices/z:/", 15 ))
{
char *p = buffer + strlen(config_dir) + 14;
*p = 0;
if (!stat( buffer, &st1 ) && !stat( "/", &st2 ) &&
st1.st_dev == st2.st_dev && st1.st_ino == st2.st_ino)
name = p;
*p = '/';
}
if (*size > strlen(name)) strcpy( nameA, name );
else status = STATUS_BUFFER_TOO_SMALL;
*size = strlen(name) + 1;
free( buffer );
}
free( redir.Buffer );
return status;
}
/******************************************************************
* collapse_path
*
* Get rid of . and .. components in the path.
*/
static void collapse_path( WCHAR *path )
{
WCHAR *p, *start, *next;
/* convert every / into a \ */
for (p = path; *p; p++) if (*p == '/') *p = '\\';
p = path + 4;
while (*p && *p != '\\') p++;
start = p + 1;
/* collapse duplicate backslashes */
next = start;
for (p = next; *p; p++) if (*p != '\\' || next[-1] != '\\') *next++ = *p;
*next = 0;
p = start;
while (*p)
{
if (*p == '.')
{
switch(p[1])
{
case '\\': /* .\ component */
next = p + 2;
memmove( p, next, (wcslen(next) + 1) * sizeof(WCHAR) );
continue;
case 0: /* final . */
if (p > start) p--;
*p = 0;
continue;
case '.':
if (p[2] == '\\') /* ..\ component */
{
next = p + 3;
if (p > start)
{
p--;
while (p > start && p[-1] != '\\') p--;
}
memmove( p, next, (wcslen(next) + 1) * sizeof(WCHAR) );
continue;
}
else if (!p[2]) /* final .. */
{
if (p > start)
{
p--;
while (p > start && p[-1] != '\\') p--;
if (p > start) p--;
}
*p = 0;
continue;
}
break;
}
}
/* skip to the next component */
while (*p && *p != '\\') p++;
if (*p == '\\')
{
/* remove last dot in previous dir name */
if (p > start && p[-1] == '.') memmove( p-1, p, (wcslen(p) + 1) * sizeof(WCHAR) );
else p++;
}
}
/* remove trailing spaces and dots (yes, Windows really does that, don't ask) */
while (p > start && (p[-1] == ' ' || p[-1] == '.')) p--;
*p = 0;
}
/******************************************************************
* unix_to_nt_file_name
*/
NTSTATUS unix_to_nt_file_name( const char *name, WCHAR **nt )
{
static const WCHAR unix_prefixW[] = {'\\','?','?','\\','u','n','i','x',0};
WCHAR dos_prefixW[] = {'\\','?','?','\\','A',':','\\',0};
const WCHAR *prefix = unix_prefixW;
unsigned int lenW, lenA = strlen(name);
const char *path = name;
NTSTATUS status;
WCHAR *buffer;
int drive;
status = find_drive_rootA( &path, lenA, &drive );
lenA -= path - name;
if (status == STATUS_SUCCESS)
{
while (lenA && path[0] == '/') { lenA--; path++; }
dos_prefixW[4] += drive;
prefix = dos_prefixW;
}
else if (status != STATUS_OBJECT_PATH_NOT_FOUND) return status;
lenW = wcslen( prefix );
if (!(buffer = malloc( (lenA + lenW + 1) * sizeof(WCHAR) ))) return STATUS_NO_MEMORY;
memcpy( buffer, prefix, lenW * sizeof(WCHAR) );
lenW += ntdll_umbstowcs( path, lenA, buffer + lenW, lenA );
buffer[lenW] = 0;
collapse_path( buffer );
*nt = buffer;
return STATUS_SUCCESS;
}
/******************************************************************
* wine_unix_to_nt_file_name
*/
NTSTATUS WINAPI wine_unix_to_nt_file_name( const char *name, WCHAR *buffer, ULONG *size )
{
WCHAR *nt_name = NULL;
NTSTATUS status;
if (name[0] != '/') return STATUS_INVALID_PARAMETER; /* relative paths are not supported */
status = unix_to_nt_file_name( name, &nt_name );
if (nt_name)
{
if (*size > wcslen(nt_name)) wcscpy( buffer, nt_name );
else status = STATUS_BUFFER_TOO_SMALL;
*size = wcslen(nt_name) + 1;
free( nt_name );
}
return status;
}
/***********************************************************************
* get_full_path
*
* Simplified version of RtlGetFullPathName_U.
*/
NTSTATUS get_full_path( const WCHAR *name, const WCHAR *curdir, WCHAR **path )
{
static const WCHAR uncW[] = {'\\','?','?','\\','U','N','C','\\',0};
static const WCHAR devW[] = {'\\','?','?','\\',0};
static const WCHAR unixW[] = {'u','n','i','x'};
WCHAR *ret, root[] = {'\\','?','?','\\','C',':','\\',0};
NTSTATUS status = STATUS_SUCCESS;
const WCHAR *prefix;
if (IS_SEPARATOR(name[0]) && IS_SEPARATOR(name[1])) /* \\ prefix */
{
if ((name[2] == '.' || name[2] == '?') && IS_SEPARATOR(name[3])) /* \\?\ device */
{
name += 4;
if (!wcsnicmp( name, unixW, 4 ) && IS_SEPARATOR(name[4])) /* \\?\unix special name */
{
char *unix_name;
name += 4;
unix_name = malloc( wcslen(name) * 3 + 1 );
ntdll_wcstoumbs( name, wcslen(name) + 1, unix_name, wcslen(name) * 3 + 1, FALSE );
status = unix_to_nt_file_name( unix_name, path );
free( unix_name );
return status;
}
prefix = devW;
}
else prefix = uncW; /* UNC path */
}
else if (IS_SEPARATOR(name[0])) /* absolute path */
{
root[4] = curdir[4];
prefix = root;
}
else if (name[0] && name[1] == ':') /* drive letter */
{
root[4] = towupper(name[0]);
name += 2;
prefix = root;
}
else prefix = curdir; /* relative path */
ret = malloc( (wcslen(prefix) + wcslen(name) + 1) * sizeof(WCHAR) );
wcscpy( ret, prefix );
wcscat( ret, name );
collapse_path( ret );
*path = ret;
return STATUS_SUCCESS;
}
/***********************************************************************
* unmount_device
*
* Unmount the specified device.
*/
static NTSTATUS unmount_device( HANDLE handle )
{
NTSTATUS status;
int unix_fd, needs_close;
if (!(status = server_get_unix_fd( handle, 0, &unix_fd, &needs_close, NULL, NULL )))
{
struct stat st;
char *mount_point = NULL;
if (fstat( unix_fd, &st ) == -1 || !is_valid_mounted_device( &st ))
status = STATUS_INVALID_PARAMETER;
else
{
if ((mount_point = get_device_mount_point( st.st_rdev )))
{
#ifdef __APPLE__
static const char umount[] = "diskutil unmount >/dev/null 2>&1 ";
#else
static const char umount[] = "umount >/dev/null 2>&1 ";
#endif
char *cmd = malloc( strlen(mount_point)+sizeof(umount));
if (cmd)
{
strcpy( cmd, umount );
strcat( cmd, mount_point );
system( cmd );
free( cmd );
#ifdef linux
/* umount will fail to release the loop device since we still have
a handle to it, so we release it here */
if (major(st.st_rdev) == LOOP_MAJOR) ioctl( unix_fd, 0x4c01 /*LOOP_CLR_FD*/, 0 );
#endif
}
free( mount_point );
}
}
if (needs_close) close( unix_fd );
}
return status;
}
/******************************************************************************
* open_unix_file
*
* Helper for NtCreateFile that takes a Unix path.
*/
NTSTATUS open_unix_file( HANDLE *handle, const char *unix_name, ACCESS_MASK access,
OBJECT_ATTRIBUTES *attr, ULONG attributes, ULONG sharing, ULONG disposition,
ULONG options, void *ea_buffer, ULONG ea_length )
{
struct object_attributes *objattr;
NTSTATUS status;
data_size_t len;
if ((status = alloc_object_attributes( attr, &objattr, &len ))) return status;
SERVER_START_REQ( create_file )
{
req->access = access;
req->sharing = sharing;
req->create = disposition;
req->options = options;
req->attrs = attributes;
wine_server_add_data( req, objattr, len );
wine_server_add_data( req, unix_name, strlen(unix_name) );
status = wine_server_call( req );
*handle = wine_server_ptr_handle( reply->handle );
}
SERVER_END_REQ;
free( objattr );
return status;
}
/******************************************************************************
* NtCreateFile (NTDLL.@)
*/
NTSTATUS WINAPI NtCreateFile( HANDLE *handle, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr,
IO_STATUS_BLOCK *io, LARGE_INTEGER *alloc_size,
ULONG attributes, ULONG sharing, ULONG disposition,
ULONG options, void *ea_buffer, ULONG ea_length )
{
OBJECT_ATTRIBUTES new_attr;
UNICODE_STRING nt_name;
char *unix_name;
BOOL created = FALSE;
NTSTATUS status;
TRACE( "handle=%p access=%08x name=%s objattr=%08x root=%p sec=%p io=%p alloc_size=%p "
"attr=%08x sharing=%08x disp=%d options=%08x ea=%p.0x%08x\n",
handle, access, debugstr_us(attr->ObjectName), attr->Attributes,
attr->RootDirectory, attr->SecurityDescriptor, io, alloc_size,
attributes, sharing, disposition, options, ea_buffer, ea_length );
*handle = 0;
if (!attr || !attr->ObjectName) return STATUS_INVALID_PARAMETER;
if (alloc_size) FIXME( "alloc_size not supported\n" );
new_attr = *attr;
if (options & FILE_OPEN_BY_FILE_ID)
{
status = file_id_to_unix_file_name( &new_attr, &unix_name, &nt_name );
if (!status) new_attr.ObjectName = &nt_name;
}
else
{
get_redirect( &new_attr, &nt_name );
status = nt_to_unix_file_name( &new_attr, &unix_name, disposition );
}
if (status == STATUS_BAD_DEVICE_TYPE)
{
status = server_open_file_object( handle, access, &new_attr, sharing, options );
if (status == STATUS_SUCCESS) io->Information = FILE_OPENED;
free( nt_name.Buffer );
return io->u.Status = status;
}
if (status == STATUS_NO_SUCH_FILE && disposition != FILE_OPEN && disposition != FILE_OVERWRITE)
{
created = TRUE;
status = STATUS_SUCCESS;
}
if (status == STATUS_SUCCESS)
{
status = open_unix_file( handle, unix_name, access, &new_attr, attributes,
sharing, disposition, options, ea_buffer, ea_length );
free( unix_name );
}
else WARN( "%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
if (status == STATUS_SUCCESS)
{
if (created) io->Information = FILE_CREATED;
else switch(disposition)
{
case FILE_SUPERSEDE:
io->Information = FILE_SUPERSEDED;
break;
case FILE_CREATE:
io->Information = FILE_CREATED;
break;
case FILE_OPEN:
case FILE_OPEN_IF:
io->Information = FILE_OPENED;
break;
case FILE_OVERWRITE:
case FILE_OVERWRITE_IF:
io->Information = FILE_OVERWRITTEN;
break;
}
}
else if (status == STATUS_TOO_MANY_OPENED_FILES)
{
static int once;
if (!once++) ERR_(winediag)( "Too many open files, ulimit -n probably needs to be increased\n" );
}
free( nt_name.Buffer );
return io->u.Status = status;
}
/******************************************************************************
* NtOpenFile (NTDLL.@)
*/
NTSTATUS WINAPI NtOpenFile( HANDLE *handle, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr,
IO_STATUS_BLOCK *io, ULONG sharing, ULONG options )
{
return NtCreateFile( handle, access, attr, io, NULL, 0, sharing, FILE_OPEN, options, NULL, 0 );
}
/******************************************************************************
* NtCreateMailslotFile (NTDLL.@)
*/
NTSTATUS WINAPI NtCreateMailslotFile( HANDLE *handle, ULONG access, OBJECT_ATTRIBUTES *attr,
IO_STATUS_BLOCK *io, ULONG options, ULONG quota, ULONG msg_size,
LARGE_INTEGER *timeout )
{
NTSTATUS status;
data_size_t len;
struct object_attributes *objattr;
TRACE( "%p %08x %p %p %08x %08x %08x %p\n",
handle, access, attr, io, options, quota, msg_size, timeout );
*handle = 0;
if (!attr) return STATUS_INVALID_PARAMETER;
if ((status = alloc_object_attributes( attr, &objattr, &len ))) return status;
SERVER_START_REQ( create_mailslot )
{
req->access = access;
req->max_msgsize = msg_size;
req->read_timeout = timeout ? timeout->QuadPart : -1;
wine_server_add_data( req, objattr, len );
if (!(status = wine_server_call( req ))) *handle = wine_server_ptr_handle( reply->handle );
}
SERVER_END_REQ;
free( objattr );
return status;
}
/******************************************************************
* NtCreateNamedPipeFile (NTDLL.@)
*/
NTSTATUS WINAPI NtCreateNamedPipeFile( HANDLE *handle, ULONG access, OBJECT_ATTRIBUTES *attr,
IO_STATUS_BLOCK *io, ULONG sharing, ULONG dispo, ULONG options,
ULONG pipe_type, ULONG read_mode, ULONG completion_mode,
ULONG max_inst, ULONG inbound_quota, ULONG outbound_quota,
LARGE_INTEGER *timeout )
{
NTSTATUS status;
data_size_t len;
struct object_attributes *objattr;
*handle = 0;
if (!attr) return STATUS_INVALID_PARAMETER;
TRACE( "(%p %x %s %p %x %d %x %d %d %d %d %d %d %p)\n",
handle, access, debugstr_us(attr->ObjectName), io, sharing, dispo,
options, pipe_type, read_mode, completion_mode, max_inst, inbound_quota,
outbound_quota, timeout );
/* assume we only get relative timeout */
if (timeout->QuadPart > 0) FIXME( "Wrong time %s\n", wine_dbgstr_longlong(timeout->QuadPart) );
if ((status = alloc_object_attributes( attr, &objattr, &len ))) return status;
SERVER_START_REQ( create_named_pipe )
{
req->access = access;
req->options = options;
req->sharing = sharing;
req->flags =
(pipe_type ? NAMED_PIPE_MESSAGE_STREAM_WRITE : 0) |
(read_mode ? NAMED_PIPE_MESSAGE_STREAM_READ : 0) |
(completion_mode ? NAMED_PIPE_NONBLOCKING_MODE : 0);
req->maxinstances = max_inst;
req->outsize = outbound_quota;
req->insize = inbound_quota;
req->timeout = timeout->QuadPart;
wine_server_add_data( req, objattr, len );
if (!(status = wine_server_call( req ))) *handle = wine_server_ptr_handle( reply->handle );
}
SERVER_END_REQ;
free( objattr );
return status;
}
/******************************************************************
* NtDeleteFile (NTDLL.@)
*/
NTSTATUS WINAPI NtDeleteFile( OBJECT_ATTRIBUTES *attr )
{
HANDLE handle;
NTSTATUS status;
char *unix_name;
UNICODE_STRING nt_name;
OBJECT_ATTRIBUTES new_attr = *attr;
get_redirect( &new_attr, &nt_name );
if (!(status = nt_to_unix_file_name( &new_attr, &unix_name, FILE_OPEN )))
{
if (!(status = open_unix_file( &handle, unix_name, GENERIC_READ | GENERIC_WRITE | DELETE, &new_attr,
0, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, FILE_OPEN,
FILE_DELETE_ON_CLOSE, NULL, 0 )))
NtClose( handle );
free( unix_name );
}
free( nt_name.Buffer );
return status;
}
/******************************************************************************
* NtQueryFullAttributesFile (NTDLL.@)
*/
NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
FILE_NETWORK_OPEN_INFORMATION *info )
{
char *unix_name;
NTSTATUS status;
UNICODE_STRING redir;
OBJECT_ATTRIBUTES new_attr = *attr;
get_redirect( &new_attr, &redir );
if (!(status = nt_to_unix_file_name( &new_attr, &unix_name, FILE_OPEN )))
{
ULONG attributes;
struct stat st;
if (get_file_info( unix_name, &st, &attributes ) == -1)
status = errno_to_status( errno );
else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
status = STATUS_INVALID_INFO_CLASS;
else
{
FILE_BASIC_INFORMATION basic;
FILE_STANDARD_INFORMATION std;
fill_file_info( &st, attributes, &basic, FileBasicInformation );
fill_file_info( &st, attributes, &std, FileStandardInformation );
info->CreationTime = basic.CreationTime;
info->LastAccessTime = basic.LastAccessTime;
info->LastWriteTime = basic.LastWriteTime;
info->ChangeTime = basic.ChangeTime;
info->AllocationSize = std.AllocationSize;
info->EndOfFile = std.EndOfFile;
info->FileAttributes = basic.FileAttributes;
if (is_hidden_file( attr->ObjectName )) info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
}
free( unix_name );
}
else WARN( "%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
free( redir.Buffer );
return status;
}
/******************************************************************************
* NtQueryAttributesFile (NTDLL.@)
*/
NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
{
char *unix_name;
NTSTATUS status;
UNICODE_STRING redir;
OBJECT_ATTRIBUTES new_attr = *attr;
get_redirect( &new_attr, &redir );
if (!(status = nt_to_unix_file_name( &new_attr, &unix_name, FILE_OPEN )))
{
ULONG attributes;
struct stat st;
if (get_file_info( unix_name, &st, &attributes ) == -1)
status = errno_to_status( errno );
else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
status = STATUS_INVALID_INFO_CLASS;
else
{
status = fill_file_info( &st, attributes, info, FileBasicInformation );
if (is_hidden_file( attr->ObjectName )) info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
}
free( unix_name );
}
else WARN( "%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
free( redir.Buffer );
return status;
}
/******************************************************************************
* NtQueryInformationFile (NTDLL.@)
*/
NTSTATUS WINAPI NtQueryInformationFile( HANDLE handle, IO_STATUS_BLOCK *io,
void *ptr, LONG len, FILE_INFORMATION_CLASS class )
{
static const size_t info_sizes[] =
{
0,
sizeof(FILE_DIRECTORY_INFORMATION), /* FileDirectoryInformation */
sizeof(FILE_FULL_DIRECTORY_INFORMATION), /* FileFullDirectoryInformation */
sizeof(FILE_BOTH_DIRECTORY_INFORMATION), /* FileBothDirectoryInformation */
sizeof(FILE_BASIC_INFORMATION), /* FileBasicInformation */
sizeof(FILE_STANDARD_INFORMATION), /* FileStandardInformation */
sizeof(FILE_INTERNAL_INFORMATION), /* FileInternalInformation */
sizeof(FILE_EA_INFORMATION), /* FileEaInformation */
0, /* FileAccessInformation */
sizeof(FILE_NAME_INFORMATION), /* FileNameInformation */
sizeof(FILE_RENAME_INFORMATION)-sizeof(WCHAR), /* FileRenameInformation */
0, /* FileLinkInformation */
sizeof(FILE_NAMES_INFORMATION)-sizeof(WCHAR), /* FileNamesInformation */
sizeof(FILE_DISPOSITION_INFORMATION), /* FileDispositionInformation */
sizeof(FILE_POSITION_INFORMATION), /* FilePositionInformation */
sizeof(FILE_FULL_EA_INFORMATION), /* FileFullEaInformation */
0, /* FileModeInformation */
sizeof(FILE_ALIGNMENT_INFORMATION), /* FileAlignmentInformation */
sizeof(FILE_ALL_INFORMATION), /* FileAllInformation */
sizeof(FILE_ALLOCATION_INFORMATION), /* FileAllocationInformation */
sizeof(FILE_END_OF_FILE_INFORMATION), /* FileEndOfFileInformation */
0, /* FileAlternateNameInformation */
sizeof(FILE_STREAM_INFORMATION)-sizeof(WCHAR), /* FileStreamInformation */
sizeof(FILE_PIPE_INFORMATION), /* FilePipeInformation */
sizeof(FILE_PIPE_LOCAL_INFORMATION), /* FilePipeLocalInformation */
0, /* FilePipeRemoteInformation */
sizeof(FILE_MAILSLOT_QUERY_INFORMATION), /* FileMailslotQueryInformation */
0, /* FileMailslotSetInformation */
0, /* FileCompressionInformation */
0, /* FileObjectIdInformation */
0, /* FileCompletionInformation */
0, /* FileMoveClusterInformation */
0, /* FileQuotaInformation */
0, /* FileReparsePointInformation */
sizeof(FILE_NETWORK_OPEN_INFORMATION), /* FileNetworkOpenInformation */
sizeof(FILE_ATTRIBUTE_TAG_INFORMATION), /* FileAttributeTagInformation */
0, /* FileTrackingInformation */
0, /* FileIdBothDirectoryInformation */
0, /* FileIdFullDirectoryInformation */
0, /* FileValidDataLengthInformation */
0, /* FileShortNameInformation */
0, /* FileIoCompletionNotificationInformation, */
0, /* FileIoStatusBlockRangeInformation */
0, /* FileIoPriorityHintInformation */
0, /* FileSfioReserveInformation */
0, /* FileSfioVolumeInformation */
0, /* FileHardLinkInformation */
0, /* FileProcessIdsUsingFileInformation */
0, /* FileNormalizedNameInformation */
0, /* FileNetworkPhysicalNameInformation */
0, /* FileIdGlobalTxDirectoryInformation */
0, /* FileIsRemoteDeviceInformation */
0, /* FileAttributeCacheInformation */
0, /* FileNumaNodeInformation */
0, /* FileStandardLinkInformation */
0, /* FileRemoteProtocolInformation */
0, /* FileRenameInformationBypassAccessCheck */
0, /* FileLinkInformationBypassAccessCheck */
0, /* FileVolumeNameInformation */
sizeof(FILE_ID_INFORMATION), /* FileIdInformation */
0, /* FileIdExtdDirectoryInformation */
0, /* FileReplaceCompletionInformation */
0, /* FileHardLinkFullIdInformation */
0, /* FileIdExtdBothDirectoryInformation */
};
struct stat st;
int fd, needs_close = FALSE;
ULONG attr;
unsigned int options;
NTSTATUS status;
TRACE( "(%p,%p,%p,0x%08x,0x%08x)\n", handle, io, ptr, len, class);
io->Information = 0;
if (class <= 0 || class >= FileMaximumInformation)
return io->u.Status = STATUS_INVALID_INFO_CLASS;
if (!info_sizes[class])
return server_get_file_info( handle, io, ptr, len, class );
if (len < info_sizes[class])
return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
if ((status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, &options )))
{
if (status != STATUS_BAD_DEVICE_TYPE) return io->u.Status = status;
return server_get_file_info( handle, io, ptr, len, class );
}
switch (class)
{
case FileBasicInformation:
if (fd_get_file_info( fd, options, &st, &attr ) == -1)
status = errno_to_status( errno );
else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
status = STATUS_INVALID_INFO_CLASS;
else
fill_file_info( &st, attr, ptr, class );
break;
case FileStandardInformation:
{
FILE_STANDARD_INFORMATION *info = ptr;
if (fd_get_file_info( fd, options, &st, &attr ) == -1) status = errno_to_status( errno );
else
{
fill_file_info( &st, attr, info, class );
info->DeletePending = FALSE; /* FIXME */
}
}
break;
case FilePositionInformation:
{
FILE_POSITION_INFORMATION *info = ptr;
off_t res = lseek( fd, 0, SEEK_CUR );
if (res == (off_t)-1) status = errno_to_status( errno );
else info->CurrentByteOffset.QuadPart = res;
}
break;
case FileInternalInformation:
if (fd_get_file_info( fd, options, &st, &attr ) == -1) status = errno_to_status( errno );
else fill_file_info( &st, attr, ptr, class );
break;
case FileEaInformation:
{
FILE_EA_INFORMATION *info = ptr;
info->EaSize = 0;
}
break;
case FileEndOfFileInformation:
if (fd_get_file_info( fd, options, &st, &attr ) == -1) status = errno_to_status( errno );
else fill_file_info( &st, attr, ptr, class );
break;
case FileAllInformation:
{
FILE_ALL_INFORMATION *info = ptr;
char *unix_name;
if (fd_get_file_info( fd, options, &st, &attr ) == -1) status = errno_to_status( errno );
else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
status = STATUS_INVALID_INFO_CLASS;
else if (!(status = server_get_unix_name( handle, &unix_name )))
{
LONG name_len = len - FIELD_OFFSET(FILE_ALL_INFORMATION, NameInformation.FileName);
fill_file_info( &st, attr, info, FileAllInformation );
info->StandardInformation.DeletePending = FALSE; /* FIXME */
info->EaInformation.EaSize = 0;
info->AccessInformation.AccessFlags = 0; /* FIXME */
info->PositionInformation.CurrentByteOffset.QuadPart = lseek( fd, 0, SEEK_CUR );
info->ModeInformation.Mode = 0; /* FIXME */
info->AlignmentInformation.AlignmentRequirement = 1; /* FIXME */
status = fill_name_info( unix_name, &info->NameInformation, &name_len );
free( unix_name );
io->Information = FIELD_OFFSET(FILE_ALL_INFORMATION, NameInformation.FileName) + name_len;
}
}
break;
case FileMailslotQueryInformation:
{
FILE_MAILSLOT_QUERY_INFORMATION *info = ptr;
SERVER_START_REQ( set_mailslot_info )
{
req->handle = wine_server_obj_handle( handle );
req->flags = 0;
status = wine_server_call( req );
if (status == STATUS_SUCCESS)
{
info->MaximumMessageSize = reply->max_msgsize;
info->MailslotQuota = 0;
info->NextMessageSize = 0;
info->MessagesAvailable = 0;
info->ReadTimeout.QuadPart = reply->read_timeout;
}
}
SERVER_END_REQ;
if (!status)
{
char *tmpbuf;
ULONG size = info->MaximumMessageSize ? info->MaximumMessageSize : 0x10000;
if (size > 0x10000) size = 0x10000;
if ((tmpbuf = malloc( size )))
{
if (!server_get_unix_fd( handle, FILE_READ_DATA, &fd, &needs_close, NULL, NULL ))
{
int res = recv( fd, tmpbuf, size, MSG_PEEK );
info->MessagesAvailable = (res > 0);
info->NextMessageSize = (res >= 0) ? res : MAILSLOT_NO_MESSAGE;
if (needs_close) close( fd );
}
free( tmpbuf );
}
}
}
break;
case FileNameInformation:
{
FILE_NAME_INFORMATION *info = ptr;
char *unix_name;
if (!(status = server_get_unix_name( handle, &unix_name )))
{
LONG name_len = len - FIELD_OFFSET(FILE_NAME_INFORMATION, FileName);
status = fill_name_info( unix_name, info, &name_len );
free( unix_name );
io->Information = FIELD_OFFSET(FILE_NAME_INFORMATION, FileName) + name_len;
}
}
break;
case FileNetworkOpenInformation:
{
FILE_NETWORK_OPEN_INFORMATION *info = ptr;
char *unix_name;
if (!(status = server_get_unix_name( handle, &unix_name )))
{
ULONG attributes;
struct stat st;
if (get_file_info( unix_name, &st, &attributes ) == -1)
status = errno_to_status( errno );
else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
status = STATUS_INVALID_INFO_CLASS;
else
{
FILE_BASIC_INFORMATION basic;
FILE_STANDARD_INFORMATION std;
fill_file_info( &st, attributes, &basic, FileBasicInformation );
fill_file_info( &st, attributes, &std, FileStandardInformation );
info->CreationTime = basic.CreationTime;
info->LastAccessTime = basic.LastAccessTime;
info->LastWriteTime = basic.LastWriteTime;
info->ChangeTime = basic.ChangeTime;
info->AllocationSize = std.AllocationSize;
info->EndOfFile = std.EndOfFile;
info->FileAttributes = basic.FileAttributes;
}
free( unix_name );
}
}
break;
case FileIdInformation:
if (fd_get_file_info( fd, options, &st, &attr ) == -1) status = errno_to_status( errno );
else
{
struct mountmgr_unix_drive drive;
FILE_ID_INFORMATION *info = ptr;
info->VolumeSerialNumber = 0;
if (!get_mountmgr_fs_info( handle, fd, &drive, sizeof(drive) ))
info->VolumeSerialNumber = drive.serial;
memset( &info->FileId, 0, sizeof(info->FileId) );
*(ULONGLONG *)&info->FileId = st.st_ino;
}
break;
case FileAttributeTagInformation:
if (fd_get_file_info( fd, options, &st, &attr ) == -1) status = errno_to_status( errno );
else
{
FILE_ATTRIBUTE_TAG_INFORMATION *info = ptr;
info->FileAttributes = attr;
info->ReparseTag = 0; /* FIXME */
if ((options & FILE_OPEN_REPARSE_POINT) && fd_is_mount_point( fd, &st ))
info->ReparseTag = IO_REPARSE_TAG_MOUNT_POINT;
}
break;
default:
FIXME("Unsupported class (%d)\n", class);
status = STATUS_NOT_IMPLEMENTED;
break;
}
if (needs_close) close( fd );
if (status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
return io->u.Status = status;
}
/******************************************************************************
* NtSetInformationFile (NTDLL.@)
*/
NTSTATUS WINAPI NtSetInformationFile( HANDLE handle, IO_STATUS_BLOCK *io,
void *ptr, ULONG len, FILE_INFORMATION_CLASS class )
{
int fd, needs_close;
NTSTATUS status = STATUS_SUCCESS;
TRACE( "(%p,%p,%p,0x%08x,0x%08x)\n", handle, io, ptr, len, class );
switch (class)
{
case FileBasicInformation:
if (len >= sizeof(FILE_BASIC_INFORMATION))
{
struct stat st;
const FILE_BASIC_INFORMATION *info = ptr;
LARGE_INTEGER mtime, atime;
if ((status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
return io->u.Status = status;
mtime.QuadPart = info->LastWriteTime.QuadPart == -1 ? 0 : info->LastWriteTime.QuadPart;
atime.QuadPart = info->LastAccessTime.QuadPart == -1 ? 0 : info->LastAccessTime.QuadPart;
if (atime.QuadPart || mtime.QuadPart)
status = set_file_times( fd, &mtime, &atime );
if (status == STATUS_SUCCESS && info->FileAttributes)
{
if (fstat( fd, &st ) == -1) status = errno_to_status( errno );
else
{
if (info->FileAttributes & FILE_ATTRIBUTE_READONLY)
{
if (S_ISDIR( st.st_mode))
WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
else
st.st_mode &= ~0222; /* clear write permission bits */
}
else
{
/* add write permission only where we already have read permission */
st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~start_umask);
}
if (fchmod( fd, st.st_mode ) == -1) status = errno_to_status( errno );
}
}
if (needs_close) close( fd );
}
else status = STATUS_INVALID_PARAMETER_3;
break;
case FilePositionInformation:
if (len >= sizeof(FILE_POSITION_INFORMATION))
{
const FILE_POSITION_INFORMATION *info = ptr;
if ((status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
return io->u.Status = status;
if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1)
status = errno_to_status( errno );
if (needs_close) close( fd );
}
else status = STATUS_INVALID_PARAMETER_3;
break;
case FileEndOfFileInformation:
if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
{
const FILE_END_OF_FILE_INFORMATION *info = ptr;
SERVER_START_REQ( set_fd_eof_info )
{
req->handle = wine_server_obj_handle( handle );
req->eof = info->EndOfFile.QuadPart;
status = wine_server_call( req );
}
SERVER_END_REQ;
}
else status = STATUS_INVALID_PARAMETER_3;
break;
case FilePipeInformation:
if (len >= sizeof(FILE_PIPE_INFORMATION))
{
FILE_PIPE_INFORMATION *info = ptr;
if ((info->CompletionMode | info->ReadMode) & ~1)
{
status = STATUS_INVALID_PARAMETER;
break;
}
SERVER_START_REQ( set_named_pipe_info )
{
req->handle = wine_server_obj_handle( handle );
req->flags = (info->CompletionMode ? NAMED_PIPE_NONBLOCKING_MODE : 0) |
(info->ReadMode ? NAMED_PIPE_MESSAGE_STREAM_READ : 0);
status = wine_server_call( req );
}
SERVER_END_REQ;
}
else status = STATUS_INVALID_PARAMETER_3;
break;
case FileMailslotSetInformation:
{
FILE_MAILSLOT_SET_INFORMATION *info = ptr;
SERVER_START_REQ( set_mailslot_info )
{
req->handle = wine_server_obj_handle( handle );
req->flags = MAILSLOT_SET_READ_TIMEOUT;
req->read_timeout = info->ReadTimeout.QuadPart;
status = wine_server_call( req );
}
SERVER_END_REQ;
}
break;
case FileCompletionInformation:
if (len >= sizeof(FILE_COMPLETION_INFORMATION))
{
FILE_COMPLETION_INFORMATION *info = ptr;
SERVER_START_REQ( set_completion_info )
{
req->handle = wine_server_obj_handle( handle );
req->chandle = wine_server_obj_handle( info->CompletionPort );
req->ckey = info->CompletionKey;
status = wine_server_call( req );
}
SERVER_END_REQ;
}
else status = STATUS_INVALID_PARAMETER_3;
break;
case FileIoCompletionNotificationInformation:
if (len >= sizeof(FILE_IO_COMPLETION_NOTIFICATION_INFORMATION))
{
FILE_IO_COMPLETION_NOTIFICATION_INFORMATION *info = ptr;
if (info->Flags & FILE_SKIP_SET_USER_EVENT_ON_FAST_IO)
FIXME( "FILE_SKIP_SET_USER_EVENT_ON_FAST_IO not supported\n" );
SERVER_START_REQ( set_fd_completion_mode )
{
req->handle = wine_server_obj_handle( handle );
req->flags = info->Flags;
status = wine_server_call( req );
}
SERVER_END_REQ;
}
else status = STATUS_INFO_LENGTH_MISMATCH;
break;
case FileIoPriorityHintInformation:
if (len >= sizeof(FILE_IO_PRIORITY_HINT_INFO))
{
FILE_IO_PRIORITY_HINT_INFO *info = ptr;
if (info->PriorityHint < MaximumIoPriorityHintType)
TRACE( "ignoring FileIoPriorityHintInformation %u\n", info->PriorityHint );
else
status = STATUS_INVALID_PARAMETER;
}
else status = STATUS_INFO_LENGTH_MISMATCH;
break;
case FileAllInformation:
status = STATUS_INVALID_INFO_CLASS;
break;
case FileValidDataLengthInformation:
if (len >= sizeof(FILE_VALID_DATA_LENGTH_INFORMATION))
{
struct stat st;
const FILE_VALID_DATA_LENGTH_INFORMATION *info = ptr;
if ((status = server_get_unix_fd( handle, FILE_WRITE_DATA, &fd, &needs_close, NULL, NULL )))
return io->u.Status = status;
if (fstat( fd, &st ) == -1) status = errno_to_status( errno );
else if (info->ValidDataLength.QuadPart <= 0 || (off_t)info->ValidDataLength.QuadPart > st.st_size)
status = STATUS_INVALID_PARAMETER;
else
{
#ifdef HAVE_POSIX_FALLOCATE
int err;
if ((err = posix_fallocate( fd, 0, (off_t)info->ValidDataLength.QuadPart )) != 0)
{
if (err == EOPNOTSUPP) WARN( "posix_fallocate not supported on this filesystem\n" );
else status = errno_to_status( err );
}
#else
WARN( "setting valid data length not supported\n" );
#endif
}
if (needs_close) close( fd );
}
else status = STATUS_INVALID_PARAMETER_3;
break;
case FileDispositionInformation:
if (len >= sizeof(FILE_DISPOSITION_INFORMATION))
{
FILE_DISPOSITION_INFORMATION *info = ptr;
SERVER_START_REQ( set_fd_disp_info )
{
req->handle = wine_server_obj_handle( handle );
req->unlink = info->DoDeleteFile;
status = wine_server_call( req );
}
SERVER_END_REQ;
}
else status = STATUS_INVALID_PARAMETER_3;
break;
case FileRenameInformation:
if (len >= sizeof(FILE_RENAME_INFORMATION))
{
FILE_RENAME_INFORMATION *info = ptr;
UNICODE_STRING name_str, redir;
OBJECT_ATTRIBUTES attr;
char *unix_name;
name_str.Buffer = info->FileName;
name_str.Length = info->FileNameLength;
name_str.MaximumLength = info->FileNameLength + sizeof(WCHAR);
InitializeObjectAttributes( &attr, &name_str, OBJ_CASE_INSENSITIVE, info->RootDirectory, NULL );
get_redirect( &attr, &redir );
status = nt_to_unix_file_name( &attr, &unix_name, FILE_OPEN_IF );
if (status == STATUS_SUCCESS || status == STATUS_NO_SUCH_FILE)
{
SERVER_START_REQ( set_fd_name_info )
{
req->handle = wine_server_obj_handle( handle );
req->rootdir = wine_server_obj_handle( attr.RootDirectory );
req->namelen = attr.ObjectName->Length;
req->link = FALSE;
req->replace = info->ReplaceIfExists;
wine_server_add_data( req, attr.ObjectName->Buffer, attr.ObjectName->Length );
wine_server_add_data( req, unix_name, strlen(unix_name) );
status = wine_server_call( req );
}
SERVER_END_REQ;
free( unix_name );
}
free( redir.Buffer );
}
else status = STATUS_INVALID_PARAMETER_3;
break;
case FileLinkInformation:
if (len >= sizeof(FILE_LINK_INFORMATION))
{
FILE_LINK_INFORMATION *info = ptr;
UNICODE_STRING name_str, redir;
OBJECT_ATTRIBUTES attr;
char *unix_name;
name_str.Buffer = info->FileName;
name_str.Length = info->FileNameLength;
name_str.MaximumLength = info->FileNameLength + sizeof(WCHAR);
InitializeObjectAttributes( &attr, &name_str, OBJ_CASE_INSENSITIVE, info->RootDirectory, NULL );
get_redirect( &attr, &redir );
status = nt_to_unix_file_name( &attr, &unix_name, FILE_OPEN_IF );
if (status == STATUS_SUCCESS || status == STATUS_NO_SUCH_FILE)
{
SERVER_START_REQ( set_fd_name_info )
{
req->handle = wine_server_obj_handle( handle );
req->rootdir = wine_server_obj_handle( attr.RootDirectory );
req->namelen = attr.ObjectName->Length;
req->link = TRUE;
req->replace = info->ReplaceIfExists;
wine_server_add_data( req, attr.ObjectName->Buffer, attr.ObjectName->Length );
wine_server_add_data( req, unix_name, strlen(unix_name) );
status = wine_server_call( req );
}
SERVER_END_REQ;
free( unix_name );
}
free( redir.Buffer );
}
else status = STATUS_INVALID_PARAMETER_3;
break;
default:
FIXME("Unsupported class (%d)\n", class);
status = STATUS_NOT_IMPLEMENTED;
break;
}
io->Information = 0;
return io->u.Status = status;
}
/***********************************************************************
* Asynchronous file I/O *
*/
struct async_fileio_read
{
struct async_fileio io;
char *buffer;
unsigned int already;
unsigned int count;
BOOL avail_mode;
};
struct async_fileio_write
{
struct async_fileio io;
const char *buffer;
unsigned int already;
unsigned int count;
};
struct async_fileio_read_changes
{
struct async_fileio io;
void *buffer;
ULONG buffer_size;
ULONG data_size;
char data[1];
};
struct async_irp
{
struct async_fileio io;
void *buffer; /* buffer for output */
ULONG size; /* size of buffer */
};
static struct async_fileio *fileio_freelist;
void release_fileio( struct async_fileio *io )
{
for (;;)
{
struct async_fileio *next = fileio_freelist;
io->next = next;
if (InterlockedCompareExchangePointer( (void **)&fileio_freelist, io, next ) == next) return;
}
}
struct async_fileio *alloc_fileio( DWORD size, async_callback_t callback, HANDLE handle )
{
/* first free remaining previous fileinfos */
struct async_fileio *io = InterlockedExchangePointer( (void **)&fileio_freelist, NULL );
while (io)
{
struct async_fileio *next = io->next;
free( io );
io = next;
}
if ((io = malloc( size )))
{
io->callback = callback;
io->handle = handle;
}
return io;
}
/* callback for irp async I/O completion */
static BOOL irp_completion( void *user, ULONG_PTR *info, NTSTATUS *status )
{
struct async_irp *async = user;
if (*status == STATUS_ALERTED)
{
SERVER_START_REQ( get_async_result )
{
req->user_arg = wine_server_client_ptr( async );
wine_server_set_reply( req, async->buffer, async->size );
*status = virtual_locked_server_call( req );
}
SERVER_END_REQ;
}
release_fileio( &async->io );
return TRUE;
}
static BOOL async_read_proc( void *user, ULONG_PTR *info, NTSTATUS *status )
{
struct async_fileio_read *fileio = user;
int fd, needs_close, result;
switch (*status)
{
case STATUS_ALERTED: /* got some new data */
/* check to see if the data is ready (non-blocking) */
if ((*status = server_get_unix_fd( fileio->io.handle, FILE_READ_DATA, &fd,
&needs_close, NULL, NULL )))
break;
result = virtual_locked_read(fd, &fileio->buffer[fileio->already], fileio->count-fileio->already);
if (needs_close) close( fd );
if (result < 0)
{
if (errno == EAGAIN || errno == EINTR)
return FALSE;
/* check to see if the transfer is complete */
*status = errno_to_status( errno );
}
else if (result == 0)
{
*status = fileio->already ? STATUS_SUCCESS : STATUS_PIPE_BROKEN;
}
else
{
fileio->already += result;
if (fileio->already < fileio->count && !fileio->avail_mode)
return FALSE;
*status = STATUS_SUCCESS;
}
break;
case STATUS_TIMEOUT:
case STATUS_IO_TIMEOUT:
if (fileio->already) *status = STATUS_SUCCESS;
break;
}
*info = fileio->already;
release_fileio( &fileio->io );
return TRUE;
}
static BOOL async_write_proc( void *user, ULONG_PTR *info, NTSTATUS *status )
{
struct async_fileio_write *fileio = user;
int result, fd, needs_close;
enum server_fd_type type;
switch (*status)
{
case STATUS_ALERTED:
/* write some data (non-blocking) */
if ((*status = server_get_unix_fd( fileio->io.handle, FILE_WRITE_DATA, &fd,
&needs_close, &type, NULL )))
break;
if (!fileio->count && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_SOCKET))
result = send( fd, fileio->buffer, 0, 0 );
else
result = write( fd, &fileio->buffer[fileio->already], fileio->count - fileio->already );
if (needs_close) close( fd );
if (result < 0)
{
if (errno == EAGAIN || errno == EINTR) return FALSE;
*status = errno_to_status( errno );
}
else
{
fileio->already += result;
if (fileio->already < fileio->count) return FALSE;
*status = STATUS_SUCCESS;
}
break;
case STATUS_TIMEOUT:
case STATUS_IO_TIMEOUT:
if (fileio->already) *status = STATUS_SUCCESS;
break;
}
*info = fileio->already;
release_fileio( &fileio->io );
return TRUE;
}
/* do a read call through the server */
static NTSTATUS server_read_file( HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc, void *apc_context,
IO_STATUS_BLOCK *io, void *buffer, ULONG size,
LARGE_INTEGER *offset, ULONG *key )
{
struct async_irp *async;
NTSTATUS status;
HANDLE wait_handle;
ULONG options;
if (!(async = (struct async_irp *)alloc_fileio( sizeof(*async), irp_completion, handle )))
return STATUS_NO_MEMORY;
async->buffer = buffer;
async->size = size;
SERVER_START_REQ( read )
{
req->async = server_async( handle, &async->io, event, apc, apc_context, iosb_client_ptr(io) );
req->pos = offset ? offset->QuadPart : 0;
wine_server_set_reply( req, buffer, size );
status = virtual_locked_server_call( req );
wait_handle = wine_server_ptr_handle( reply->wait );
options = reply->options;
if (wait_handle && status != STATUS_PENDING)
{
io->u.Status = status;
io->Information = wine_server_reply_size( reply );
}
}
SERVER_END_REQ;
if (status != STATUS_PENDING) free( async );
if (wait_handle) status = wait_async( wait_handle, (options & FILE_SYNCHRONOUS_IO_ALERT) );
return status;
}
/* do a write call through the server */
static NTSTATUS server_write_file( HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc, void *apc_context,
IO_STATUS_BLOCK *io, const void *buffer, ULONG size,
LARGE_INTEGER *offset, ULONG *key )
{
struct async_irp *async;
NTSTATUS status;
HANDLE wait_handle;
ULONG options;
if (!(async = (struct async_irp *)alloc_fileio( sizeof(*async), irp_completion, handle )))
return STATUS_NO_MEMORY;
async->buffer = NULL;
async->size = 0;
SERVER_START_REQ( write )
{
req->async = server_async( handle, &async->io, event, apc, apc_context, iosb_client_ptr(io) );
req->pos = offset ? offset->QuadPart : 0;
wine_server_add_data( req, buffer, size );
status = wine_server_call( req );
wait_handle = wine_server_ptr_handle( reply->wait );
options = reply->options;
if (wait_handle && status != STATUS_PENDING)
{
io->u.Status = status;
io->Information = reply->size;
}
}
SERVER_END_REQ;
if (status != STATUS_PENDING) free( async );
if (wait_handle) status = wait_async( wait_handle, (options & FILE_SYNCHRONOUS_IO_ALERT) );
return status;
}
/* do an ioctl call through the server */
static NTSTATUS server_ioctl_file( HANDLE handle, HANDLE event,
PIO_APC_ROUTINE apc, PVOID apc_context,
IO_STATUS_BLOCK *io, ULONG code,
const void *in_buffer, ULONG in_size,
PVOID out_buffer, ULONG out_size )
{
struct async_irp *async;
NTSTATUS status;
HANDLE wait_handle;
ULONG options;
if (!(async = (struct async_irp *)alloc_fileio( sizeof(*async), irp_completion, handle )))
return STATUS_NO_MEMORY;
async->buffer = out_buffer;
async->size = out_size;
SERVER_START_REQ( ioctl )
{
req->code = code;
req->async = server_async( handle, &async->io, event, apc, apc_context, iosb_client_ptr(io) );
wine_server_add_data( req, in_buffer, in_size );
if ((code & 3) != METHOD_BUFFERED) wine_server_add_data( req, out_buffer, out_size );
wine_server_set_reply( req, out_buffer, out_size );
status = virtual_locked_server_call( req );
wait_handle = wine_server_ptr_handle( reply->wait );
options = reply->options;
if (wait_handle && status != STATUS_PENDING)
{
io->u.Status = status;
io->Information = wine_server_reply_size( reply );
}
}
SERVER_END_REQ;
if (status == STATUS_NOT_SUPPORTED)
WARN("Unsupported ioctl %x (device=%x access=%x func=%x method=%x)\n",
code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
if (status != STATUS_PENDING) free( async );
if (wait_handle) status = wait_async( wait_handle, (options & FILE_SYNCHRONOUS_IO_ALERT) );
return status;
}
struct io_timeouts
{
int interval; /* max interval between two bytes */
int total; /* total timeout for the whole operation */
int end_time; /* absolute time of end of operation */
};
/* retrieve the I/O timeouts to use for a given handle */
static NTSTATUS get_io_timeouts( HANDLE handle, enum server_fd_type type, ULONG count, BOOL is_read,
struct io_timeouts *timeouts )
{
NTSTATUS status = STATUS_SUCCESS;
timeouts->interval = timeouts->total = -1;
switch(type)
{
case FD_TYPE_SERIAL:
{
/* GetCommTimeouts */
SERIAL_TIMEOUTS st;
IO_STATUS_BLOCK io = {0};
status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
if (status) break;
if (is_read)
{
if (st.ReadIntervalTimeout)
timeouts->interval = st.ReadIntervalTimeout;
if (st.ReadTotalTimeoutMultiplier || st.ReadTotalTimeoutConstant)
{
timeouts->total = st.ReadTotalTimeoutConstant;
if (st.ReadTotalTimeoutMultiplier != MAXDWORD)
timeouts->total += count * st.ReadTotalTimeoutMultiplier;
}
else if (st.ReadIntervalTimeout == MAXDWORD)
timeouts->interval = timeouts->total = 0;
}
else /* write */
{
if (st.WriteTotalTimeoutMultiplier || st.WriteTotalTimeoutConstant)
{
timeouts->total = st.WriteTotalTimeoutConstant;
if (st.WriteTotalTimeoutMultiplier != MAXDWORD)
timeouts->total += count * st.WriteTotalTimeoutMultiplier;
}
}
break;
}
case FD_TYPE_MAILSLOT:
if (is_read)
{
timeouts->interval = 0; /* return as soon as we got something */
SERVER_START_REQ( set_mailslot_info )
{
req->handle = wine_server_obj_handle( handle );
req->flags = 0;
if (!(status = wine_server_call( req )) &&
reply->read_timeout != TIMEOUT_INFINITE)
timeouts->total = reply->read_timeout / -10000;
}
SERVER_END_REQ;
}
break;
case FD_TYPE_SOCKET:
case FD_TYPE_CHAR:
if (is_read) timeouts->interval = 0; /* return as soon as we got something */
break;
default:
break;
}
if (timeouts->total != -1) timeouts->end_time = NtGetTickCount() + timeouts->total;
return STATUS_SUCCESS;
}
/* retrieve the timeout for the next wait, in milliseconds */
static inline int get_next_io_timeout( const struct io_timeouts *timeouts, ULONG already )
{
int ret = -1;
if (timeouts->total != -1)
{
ret = timeouts->end_time - NtGetTickCount();
if (ret < 0) ret = 0;
}
if (already && timeouts->interval != -1)
{
if (ret == -1 || ret > timeouts->interval) ret = timeouts->interval;
}
return ret;
}
/* retrieve the avail_mode flag for async reads */
static NTSTATUS get_io_avail_mode( HANDLE handle, enum server_fd_type type, BOOL *avail_mode )
{
NTSTATUS status = STATUS_SUCCESS;
switch(type)
{
case FD_TYPE_SERIAL:
{
/* GetCommTimeouts */
SERIAL_TIMEOUTS st;
IO_STATUS_BLOCK io = {0};
status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
if (status) break;
*avail_mode = (!st.ReadTotalTimeoutMultiplier &&
!st.ReadTotalTimeoutConstant &&
st.ReadIntervalTimeout == MAXDWORD);
break;
}
case FD_TYPE_MAILSLOT:
case FD_TYPE_SOCKET:
case FD_TYPE_CHAR:
*avail_mode = TRUE;
break;
default:
*avail_mode = FALSE;
break;
}
return status;
}
/* register an async I/O for a file read; helper for NtReadFile */
static NTSTATUS register_async_file_read( HANDLE handle, HANDLE event,
PIO_APC_ROUTINE apc, void *apc_user,
client_ptr_t iosb, void *buffer,
ULONG already, ULONG length, BOOL avail_mode )
{
struct async_fileio_read *fileio;
NTSTATUS status;
if (!(fileio = (struct async_fileio_read *)alloc_fileio( sizeof(*fileio), async_read_proc, handle )))
return STATUS_NO_MEMORY;
fileio->already = already;
fileio->count = length;
fileio->buffer = buffer;
fileio->avail_mode = avail_mode;
SERVER_START_REQ( register_async )
{
req->type = ASYNC_TYPE_READ;
req->count = length;
req->async = server_async( handle, &fileio->io, event, apc, apc_user, iosb );
status = wine_server_call( req );
}
SERVER_END_REQ;
if (status != STATUS_PENDING) free( fileio );
return status;
}
void add_completion( HANDLE handle, ULONG_PTR value, NTSTATUS status, ULONG info, BOOL async )
{
SERVER_START_REQ( add_fd_completion )
{
req->handle = wine_server_obj_handle( handle );
req->cvalue = value;
req->status = status;
req->information = info;
req->async = async;
wine_server_call( req );
}
SERVER_END_REQ;
}
static NTSTATUS set_pending_write( HANDLE device )
{
NTSTATUS status;
SERVER_START_REQ( set_serial_info )
{
req->handle = wine_server_obj_handle( device );
req->flags = SERIALINFO_PENDING_WRITE;
status = wine_server_call( req );
}
SERVER_END_REQ;
return status;
}
/******************************************************************************
* NtReadFile (NTDLL.@)
*/
NTSTATUS WINAPI NtReadFile( HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user,
IO_STATUS_BLOCK *io, void *buffer, ULONG length,
LARGE_INTEGER *offset, ULONG *key )
{
int result, unix_handle, needs_close;
unsigned int options;
struct io_timeouts timeouts;
NTSTATUS status, ret_status;
ULONG total = 0;
client_ptr_t iosb_ptr = iosb_client_ptr(io);
enum server_fd_type type;
ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
BOOL send_completion = FALSE, async_read, timeout_init_done = FALSE;
TRACE( "(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p)\n",
handle, event, apc, apc_user, io, buffer, length, offset, key );
if (!io) return STATUS_ACCESS_VIOLATION;
status = server_get_unix_fd( handle, FILE_READ_DATA, &unix_handle, &needs_close, &type, &options );
if (status && status != STATUS_BAD_DEVICE_TYPE) return status;
if (!virtual_check_buffer_for_write( buffer, length )) return STATUS_ACCESS_VIOLATION;
if (status == STATUS_BAD_DEVICE_TYPE)
return server_read_file( handle, event, apc, apc_user, io, buffer, length, offset, key );
async_read = !(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT));
if (type == FD_TYPE_FILE)
{
if (async_read && (!offset || offset->QuadPart < 0))
{
status = STATUS_INVALID_PARAMETER;
goto done;
}
if (offset && offset->QuadPart != FILE_USE_FILE_POINTER_POSITION)
{
/* async I/O doesn't make sense on regular files */
while ((result = virtual_locked_pread( unix_handle, buffer, length, offset->QuadPart )) == -1)
{
if (errno != EINTR)
{
status = errno_to_status( errno );
goto done;
}
}
if (!async_read) /* update file pointer position */
lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
total = result;
status = (total || !length) ? STATUS_SUCCESS : STATUS_END_OF_FILE;
goto done;
}
}
else if (type == FD_TYPE_SERIAL || type == FD_TYPE_DEVICE)
{
if (async_read && (!offset || offset->QuadPart < 0))
{
status = STATUS_INVALID_PARAMETER;
goto done;
}
}
if (type == FD_TYPE_SERIAL && async_read && length)
{
/* an asynchronous serial port read with a read interval timeout needs to
skip the synchronous read to make sure that the server starts the read
interval timer after the first read */
if ((status = get_io_timeouts( handle, type, length, TRUE, &timeouts ))) goto err;
if (timeouts.interval)
{
status = register_async_file_read( handle, event, apc, apc_user, iosb_ptr,
buffer, total, length, FALSE );
goto err;
}
}
for (;;)
{
if ((result = virtual_locked_read( unix_handle, (char *)buffer + total, length - total )) >= 0)
{
total += result;
if (!result || total == length)
{
if (total)
{
status = STATUS_SUCCESS;
goto done;
}
switch (type)
{
case FD_TYPE_FILE:
case FD_TYPE_CHAR:
case FD_TYPE_DEVICE:
status = length ? STATUS_END_OF_FILE : STATUS_SUCCESS;
goto done;
case FD_TYPE_SERIAL:
if (!length)
{
status = STATUS_SUCCESS;
goto done;
}
break;
default:
status = STATUS_PIPE_BROKEN;
goto err;
}
}
else if (type == FD_TYPE_FILE) continue; /* no async I/O on regular files */
}
else if (errno != EAGAIN)
{
if (errno == EINTR) continue;
if (!total) status = errno_to_status( errno );
goto err;
}
if (async_read)
{
BOOL avail_mode;
if ((status = get_io_avail_mode( handle, type, &avail_mode ))) goto err;
if (total && avail_mode)
{
status = STATUS_SUCCESS;
goto done;
}
status = register_async_file_read( handle, event, apc, apc_user, iosb_ptr,
buffer, total, length, avail_mode );
goto err;
}
else /* synchronous read, wait for the fd to become ready */
{
struct pollfd pfd;
int ret, timeout;
if (!timeout_init_done)
{
timeout_init_done = TRUE;
if ((status = get_io_timeouts( handle, type, length, TRUE, &timeouts ))) goto err;
if (event) NtResetEvent( event, NULL );
}
timeout = get_next_io_timeout( &timeouts, total );
pfd.fd = unix_handle;
pfd.events = POLLIN;
if (!timeout || !(ret = poll( &pfd, 1, timeout )))
{
if (total) /* return with what we got so far */
status = STATUS_SUCCESS;
else
status = (type == FD_TYPE_MAILSLOT) ? STATUS_IO_TIMEOUT : STATUS_TIMEOUT;
goto done;
}
if (ret == -1 && errno != EINTR)
{
status = errno_to_status( errno );
goto done;
}
/* will now restart the read */
}
}
done:
send_completion = cvalue != 0;
err:
if (needs_close) close( unix_handle );
if (status == STATUS_SUCCESS || (status == STATUS_END_OF_FILE && (!async_read || type == FD_TYPE_FILE)))
{
io->u.Status = status;
io->Information = total;
TRACE("= SUCCESS (%u)\n", total);
if (event) NtSetEvent( event, NULL );
if (apc && (!status || async_read)) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
(ULONG_PTR)apc_user, iosb_ptr, 0 );
}
else
{
TRACE("= 0x%08x\n", status);
if (status != STATUS_PENDING && event) NtResetEvent( event, NULL );
}
ret_status = async_read && type == FD_TYPE_FILE && (status == STATUS_SUCCESS || status == STATUS_END_OF_FILE)
? STATUS_PENDING : status;
if (send_completion) add_completion( handle, cvalue, status, total, ret_status == STATUS_PENDING );
return ret_status;
}
/******************************************************************************
* NtReadFileScatter (NTDLL.@)
*/
NTSTATUS WINAPI NtReadFileScatter( HANDLE file, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user,
IO_STATUS_BLOCK *io, FILE_SEGMENT_ELEMENT *segments,
ULONG length, LARGE_INTEGER *offset, ULONG *key )
{
int result, unix_handle, needs_close;
unsigned int options;
NTSTATUS status;
ULONG pos = 0, total = 0;
client_ptr_t iosb_ptr = iosb_client_ptr(io);
enum server_fd_type type;
ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
BOOL send_completion = FALSE;
TRACE( "(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
file, event, apc, apc_user, io, segments, length, offset, key );
if (!io) return STATUS_ACCESS_VIOLATION;
status = server_get_unix_fd( file, FILE_READ_DATA, &unix_handle, &needs_close, &type, &options );
if (status) return status;
if ((type != FD_TYPE_FILE) ||
(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)) ||
!(options & FILE_NO_INTERMEDIATE_BUFFERING))
{
status = STATUS_INVALID_PARAMETER;
goto error;
}
while (length)
{
if (offset && offset->QuadPart != FILE_USE_FILE_POINTER_POSITION)
result = pread( unix_handle, (char *)segments->Buffer + pos,
min( length - pos, page_size - pos ), offset->QuadPart + total );
else
result = read( unix_handle, (char *)segments->Buffer + pos, min( length - pos, page_size - pos ) );
if (result == -1)
{
if (errno == EINTR) continue;
status = errno_to_status( errno );
break;
}
if (!result) break;
total += result;
length -= result;
if ((pos += result) == page_size)
{
pos = 0;
segments++;
}
}
if (total == 0) status = STATUS_END_OF_FILE;
send_completion = cvalue != 0;
if (needs_close) close( unix_handle );
io->u.Status = status;
io->Information = total;
TRACE("= 0x%08x (%u)\n", status, total);
if (event) NtSetEvent( event, NULL );
if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc, (ULONG_PTR)apc_user, iosb_ptr, 0 );
if (send_completion) add_completion( file, cvalue, status, total, TRUE );
return STATUS_PENDING;
error:
if (needs_close) close( unix_handle );
if (event) NtResetEvent( event, NULL );
TRACE("= 0x%08x\n", status);
return status;
}
/******************************************************************************
* NtWriteFile (NTDLL.@)
*/
NTSTATUS WINAPI NtWriteFile( HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user,
IO_STATUS_BLOCK *io, const void *buffer, ULONG length,
LARGE_INTEGER *offset, ULONG *key )
{
int result, unix_handle, needs_close;
unsigned int options;
struct io_timeouts timeouts;
NTSTATUS status, ret_status;
ULONG total = 0;
client_ptr_t iosb_ptr = iosb_client_ptr(io);
enum server_fd_type type;
ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
BOOL send_completion = FALSE, async_write, append_write = FALSE, timeout_init_done = FALSE;
LARGE_INTEGER offset_eof;
TRACE( "(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p)\n",
handle, event, apc, apc_user, io, buffer, length, offset, key );
if (!io) return STATUS_ACCESS_VIOLATION;
status = server_get_unix_fd( handle, FILE_WRITE_DATA, &unix_handle, &needs_close, &type, &options );
if (status == STATUS_ACCESS_DENIED)
{
status = server_get_unix_fd( handle, FILE_APPEND_DATA, &unix_handle,
&needs_close, &type, &options );
append_write = TRUE;
}
if (status && status != STATUS_BAD_DEVICE_TYPE) return status;
async_write = !(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT));
if (!virtual_check_buffer_for_read( buffer, length ))
{
status = STATUS_INVALID_USER_BUFFER;
goto done;
}
if (status == STATUS_BAD_DEVICE_TYPE)
return server_write_file( handle, event, apc, apc_user, io, buffer, length, offset, key );
if (type == FD_TYPE_FILE)
{
if (async_write &&
(!offset || (offset->QuadPart < 0 && offset->QuadPart != FILE_WRITE_TO_END_OF_FILE)))
{
status = STATUS_INVALID_PARAMETER;
goto done;
}
if (append_write)
{
offset_eof.QuadPart = FILE_WRITE_TO_END_OF_FILE;
offset = &offset_eof;
}
if (offset && offset->QuadPart != FILE_USE_FILE_POINTER_POSITION)
{
off_t off = offset->QuadPart;
if (offset->QuadPart == FILE_WRITE_TO_END_OF_FILE)
{
struct stat st;
if (fstat( unix_handle, &st ) == -1)
{
status = errno_to_status( errno );
goto done;
}
off = st.st_size;
}
else if (offset->QuadPart < 0)
{
status = STATUS_INVALID_PARAMETER;
goto done;
}
/* async I/O doesn't make sense on regular files */
while ((result = pwrite( unix_handle, buffer, length, off )) == -1)
{
if (errno != EINTR)
{
if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
else status = errno_to_status( errno );
goto done;
}
}
if (!async_write) /* update file pointer position */
lseek( unix_handle, off + result, SEEK_SET );
total = result;
status = STATUS_SUCCESS;
goto done;
}
}
else if (type == FD_TYPE_SERIAL || type == FD_TYPE_DEVICE)
{
if (async_write &&
(!offset || (offset->QuadPart < 0 && offset->QuadPart != FILE_WRITE_TO_END_OF_FILE)))
{
status = STATUS_INVALID_PARAMETER;
goto done;
}
}
for (;;)
{
/* zero-length writes on sockets may not work with plain write(2) */
if (!length && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_SOCKET))
result = send( unix_handle, buffer, 0, 0 );
else
result = write( unix_handle, (const char *)buffer + total, length - total );
if (result >= 0)
{
total += result;
if (total == length)
{
status = STATUS_SUCCESS;
goto done;
}
if (type == FD_TYPE_FILE) continue; /* no async I/O on regular files */
}
else if (errno != EAGAIN)
{
if (errno == EINTR) continue;
if (!total)
{
if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
else status = errno_to_status( errno );
}
goto err;
}
if (async_write)
{
struct async_fileio_write *fileio;
fileio = (struct async_fileio_write *)alloc_fileio( sizeof(*fileio), async_write_proc, handle );
if (!fileio)
{
status = STATUS_NO_MEMORY;
goto err;
}
fileio->already = total;
fileio->count = length;
fileio->buffer = buffer;
SERVER_START_REQ( register_async )
{
req->type = ASYNC_TYPE_WRITE;
req->count = length;
req->async = server_async( handle, &fileio->io, event, apc, apc_user, iosb_ptr );
status = wine_server_call( req );
}
SERVER_END_REQ;
if (status != STATUS_PENDING) free( fileio );
goto err;
}
else /* synchronous write, wait for the fd to become ready */
{
struct pollfd pfd;
int ret, timeout;
if (!timeout_init_done)
{
timeout_init_done = TRUE;
if ((status = get_io_timeouts( handle, type, length, FALSE, &timeouts )))
goto err;
if (event) NtResetEvent( event, NULL );
}
timeout = get_next_io_timeout( &timeouts, total );
pfd.fd = unix_handle;
pfd.events = POLLOUT;
if (!timeout || !(ret = poll( &pfd, 1, timeout )))
{
/* return with what we got so far */
status = total ? STATUS_SUCCESS : STATUS_TIMEOUT;
goto done;
}
if (ret == -1 && errno != EINTR)
{
status = errno_to_status( errno );
goto done;
}
/* will now restart the write */
}
}
done:
send_completion = cvalue != 0;
err:
if (needs_close) close( unix_handle );
if (type == FD_TYPE_SERIAL && (status == STATUS_SUCCESS || status == STATUS_PENDING))
set_pending_write( handle );
if (status == STATUS_SUCCESS)
{
io->u.Status = status;
io->Information = total;
TRACE("= SUCCESS (%u)\n", total);
if (event) NtSetEvent( event, NULL );
if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc, (ULONG_PTR)apc_user, iosb_ptr, 0 );
}
else
{
TRACE("= 0x%08x\n", status);
if (status != STATUS_PENDING && event) NtResetEvent( event, NULL );
}
ret_status = async_write && type == FD_TYPE_FILE && status == STATUS_SUCCESS ? STATUS_PENDING : status;
if (send_completion) add_completion( handle, cvalue, status, total, ret_status == STATUS_PENDING );
return ret_status;
}
/******************************************************************************
* NtWriteFileGather (NTDLL.@)
*/
NTSTATUS WINAPI NtWriteFileGather( HANDLE file, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user,
IO_STATUS_BLOCK *io, FILE_SEGMENT_ELEMENT *segments,
ULONG length, LARGE_INTEGER *offset, ULONG *key )
{
int result, unix_handle, needs_close;
unsigned int options;
NTSTATUS status;
ULONG pos = 0, total = 0;
client_ptr_t iosb_ptr = iosb_client_ptr(io);
enum server_fd_type type;
ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
BOOL send_completion = FALSE;
TRACE( "(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
file, event, apc, apc_user, io, segments, length, offset, key );
if (length % page_size) return STATUS_INVALID_PARAMETER;
if (!io) return STATUS_ACCESS_VIOLATION;
status = server_get_unix_fd( file, FILE_WRITE_DATA, &unix_handle, &needs_close, &type, &options );
if (status) return status;
if ((type != FD_TYPE_FILE) ||
(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)) ||
!(options & FILE_NO_INTERMEDIATE_BUFFERING))
{
status = STATUS_INVALID_PARAMETER;
goto done;
}
while (length)
{
if (offset && offset->QuadPart != FILE_USE_FILE_POINTER_POSITION)
result = pwrite( unix_handle, (char *)segments->Buffer + pos,
page_size - pos, offset->QuadPart + total );
else
result = write( unix_handle, (char *)segments->Buffer + pos, page_size - pos );
if (result == -1)
{
if (errno == EINTR) continue;
if (errno == EFAULT)
{
status = STATUS_INVALID_USER_BUFFER;
goto done;
}
status = errno_to_status( errno );
break;
}
if (!result)
{
status = STATUS_DISK_FULL;
break;
}
total += result;
length -= result;
if ((pos += result) == page_size)
{
pos = 0;
segments++;
}
}
send_completion = cvalue != 0;
done:
if (needs_close) close( unix_handle );
if (status == STATUS_SUCCESS)
{
io->u.Status = status;
io->Information = total;
TRACE("= SUCCESS (%u)\n", total);
if (event) NtSetEvent( event, NULL );
if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc, (ULONG_PTR)apc_user, iosb_ptr, 0 );
}
else
{
TRACE("= 0x%08x\n", status);
if (status != STATUS_PENDING && event) NtResetEvent( event, NULL );
}
if (send_completion) add_completion( file, cvalue, status, total, FALSE );
return status;
}
/******************************************************************************
* NtDeviceIoControlFile (NTDLL.@)
*/
NTSTATUS WINAPI NtDeviceIoControlFile( HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc, void *apc_context,
IO_STATUS_BLOCK *io, ULONG code, void *in_buffer, ULONG in_size,
void *out_buffer, ULONG out_size )
{
ULONG device = (code >> 16);
NTSTATUS status = STATUS_NOT_SUPPORTED;
TRACE( "(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
handle, event, apc, apc_context, io, code, in_buffer, in_size, out_buffer, out_size );
switch (device)
{
case FILE_DEVICE_BEEP:
case FILE_DEVICE_NETWORK:
status = sock_ioctl( handle, event, apc, apc_context, io, code, in_buffer, in_size, out_buffer, out_size );
break;
case FILE_DEVICE_DISK:
case FILE_DEVICE_CD_ROM:
case FILE_DEVICE_DVD:
case FILE_DEVICE_CONTROLLER:
case FILE_DEVICE_MASS_STORAGE:
status = cdrom_DeviceIoControl( handle, event, apc, apc_context, io, code,
in_buffer, in_size, out_buffer, out_size );
break;
case FILE_DEVICE_SERIAL_PORT:
status = serial_DeviceIoControl( handle, event, apc, apc_context, io, code,
in_buffer, in_size, out_buffer, out_size );
break;
case FILE_DEVICE_TAPE:
status = tape_DeviceIoControl( handle, event, apc, apc_context, io, code,
in_buffer, in_size, out_buffer, out_size );
break;
}
if (status == STATUS_NOT_SUPPORTED || status == STATUS_BAD_DEVICE_TYPE)
return server_ioctl_file( handle, event, apc, apc_context, io, code,
in_buffer, in_size, out_buffer, out_size );
if (status != STATUS_PENDING) io->u.Status = status;
return status;
}
/* Tell Valgrind to ignore any holes in structs we will be passing to the
* server */
static void ignore_server_ioctl_struct_holes( ULONG code, const void *in_buffer, ULONG in_size )
{
#ifdef VALGRIND_MAKE_MEM_DEFINED
# define IGNORE_STRUCT_HOLE(buf, size, t, f1, f2) \
do { \
if (FIELD_OFFSET(t, f1) + sizeof(((t *)0)->f1) < FIELD_OFFSET(t, f2)) \
if ((size) >= FIELD_OFFSET(t, f2)) \
VALGRIND_MAKE_MEM_DEFINED( \
(const char *)(buf) + FIELD_OFFSET(t, f1) + sizeof(((t *)0)->f1), \
FIELD_OFFSET(t, f2) - FIELD_OFFSET(t, f1) + sizeof(((t *)0)->f1)); \
} while (0)
switch (code)
{
case FSCTL_PIPE_WAIT:
IGNORE_STRUCT_HOLE(in_buffer, in_size, FILE_PIPE_WAIT_FOR_BUFFER, TimeoutSpecified, Name);
break;
}
#endif
}
/******************************************************************************
* NtFsControlFile (NTDLL.@)
*/
NTSTATUS WINAPI NtFsControlFile( HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc, void *apc_context,
IO_STATUS_BLOCK *io, ULONG code, void *in_buffer, ULONG in_size,
void *out_buffer, ULONG out_size )
{
NTSTATUS status;
TRACE( "(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
handle, event, apc, apc_context, io, code, in_buffer, in_size, out_buffer, out_size );
if (!io) return STATUS_INVALID_PARAMETER;
ignore_server_ioctl_struct_holes( code, in_buffer, in_size );
switch (code)
{
case FSCTL_DISMOUNT_VOLUME:
status = server_ioctl_file( handle, event, apc, apc_context, io, code,
in_buffer, in_size, out_buffer, out_size );
if (!status) status = unmount_device( handle );
return status;
case FSCTL_PIPE_IMPERSONATE:
FIXME("FSCTL_PIPE_IMPERSONATE: impersonating self\n");
return server_ioctl_file( handle, event, apc, apc_context, io, code,
in_buffer, in_size, out_buffer, out_size );
case FSCTL_IS_VOLUME_MOUNTED:
case FSCTL_LOCK_VOLUME:
case FSCTL_UNLOCK_VOLUME:
FIXME("stub! return success - Unsupported fsctl %x (device=%x access=%x func=%x method=%x)\n",
code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
status = STATUS_SUCCESS;
break;
case FSCTL_GET_RETRIEVAL_POINTERS:
{
RETRIEVAL_POINTERS_BUFFER *buffer = (RETRIEVAL_POINTERS_BUFFER *)out_buffer;
FIXME("stub: FSCTL_GET_RETRIEVAL_POINTERS\n");
if (out_size >= sizeof(RETRIEVAL_POINTERS_BUFFER))
{
buffer->ExtentCount = 1;
buffer->StartingVcn.QuadPart = 1;
buffer->Extents[0].NextVcn.QuadPart = 0;
buffer->Extents[0].Lcn.QuadPart = 0;
io->Information = sizeof(RETRIEVAL_POINTERS_BUFFER);
status = STATUS_SUCCESS;
}
else
{
io->Information = 0;
status = STATUS_BUFFER_TOO_SMALL;
}
break;
}
case FSCTL_GET_OBJECT_ID:
{
FILE_OBJECTID_BUFFER *info = out_buffer;
int fd, needs_close;
struct stat st;
io->Information = 0;
if (out_size >= sizeof(*info))
{
status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL );
if (status) break;
fstat( fd, &st );
if (needs_close) close( fd );
memset( info, 0, sizeof(*info) );
memcpy( info->ObjectId, &st.st_dev, sizeof(st.st_dev) );
memcpy( info->ObjectId + 8, &st.st_ino, sizeof(st.st_ino) );
io->Information = sizeof(*info);
}
else status = STATUS_BUFFER_TOO_SMALL;
break;
}
case FSCTL_SET_SPARSE:
TRACE("FSCTL_SET_SPARSE: Ignoring request\n");
io->Information = 0;
status = STATUS_SUCCESS;
break;
default:
return server_ioctl_file( handle, event, apc, apc_context, io, code,
in_buffer, in_size, out_buffer, out_size );
}
if (status != STATUS_PENDING) io->u.Status = status;
return status;
}
/******************************************************************************
* NtFlushBuffersFile (NTDLL.@)
*/
NTSTATUS WINAPI NtFlushBuffersFile( HANDLE handle, IO_STATUS_BLOCK *io )
{
NTSTATUS ret;
HANDLE wait_handle;
enum server_fd_type type;
int fd, needs_close;
if (!io || !virtual_check_buffer_for_write( io, sizeof(*io) )) return STATUS_ACCESS_VIOLATION;
ret = server_get_unix_fd( handle, FILE_WRITE_DATA, &fd, &needs_close, &type, NULL );
if (ret == STATUS_ACCESS_DENIED)
ret = server_get_unix_fd( handle, FILE_APPEND_DATA, &fd, &needs_close, &type, NULL );
if (!ret && (type == FD_TYPE_FILE || type == FD_TYPE_DIR || type == FD_TYPE_CHAR))
{
if (fsync(fd)) ret = errno_to_status( errno );
io->u.Status = ret;
io->Information = 0;
}
else if (!ret && type == FD_TYPE_SERIAL)
{
ret = serial_FlushBuffersFile( fd );
}
else if (ret != STATUS_ACCESS_DENIED)
{
struct async_irp *async;
if (!(async = (struct async_irp *)alloc_fileio( sizeof(*async), irp_completion, handle )))
return STATUS_NO_MEMORY;
async->buffer = NULL;
async->size = 0;
SERVER_START_REQ( flush )
{
req->async = server_async( handle, &async->io, NULL, NULL, NULL, iosb_client_ptr(io) );
ret = wine_server_call( req );
wait_handle = wine_server_ptr_handle( reply->event );
if (wait_handle && ret != STATUS_PENDING)
{
io->u.Status = ret;
io->Information = 0;
}
}
SERVER_END_REQ;
if (ret != STATUS_PENDING) free( async );
if (wait_handle) ret = wait_async( wait_handle, FALSE );
}
if (needs_close) close( fd );
return ret;
}
/**************************************************************************
* NtCancelIoFile (NTDLL.@)
*/
NTSTATUS WINAPI NtCancelIoFile( HANDLE handle, IO_STATUS_BLOCK *io_status )
{
NTSTATUS status;
TRACE( "%p %p\n", handle, io_status );
SERVER_START_REQ( cancel_async )
{
req->handle = wine_server_obj_handle( handle );
req->only_thread = TRUE;
if (!(status = wine_server_call( req )))
{
io_status->u.Status = status;
io_status->Information = 0;
}
}
SERVER_END_REQ;
return status;
}
/**************************************************************************
* NtCancelIoFileEx (NTDLL.@)
*/
NTSTATUS WINAPI NtCancelIoFileEx( HANDLE handle, IO_STATUS_BLOCK *io, IO_STATUS_BLOCK *io_status )
{
NTSTATUS status;
TRACE( "%p %p %p\n", handle, io, io_status );
SERVER_START_REQ( cancel_async )
{
req->handle = wine_server_obj_handle( handle );
req->iosb = wine_server_client_ptr( io );
if (!(status = wine_server_call( req )))
{
io_status->u.Status = status;
io_status->Information = 0;
}
}
SERVER_END_REQ;
return status;
}
/******************************************************************
* NtLockFile (NTDLL.@)
*/
NTSTATUS WINAPI NtLockFile( HANDLE file, HANDLE event, PIO_APC_ROUTINE apc, void* apc_user,
IO_STATUS_BLOCK *io_status, LARGE_INTEGER *offset,
LARGE_INTEGER *count, ULONG *key, BOOLEAN dont_wait, BOOLEAN exclusive )
{
static int warn;
NTSTATUS ret;
HANDLE handle;
BOOLEAN async;
if (apc || io_status || key)
{
FIXME("Unimplemented yet parameter\n");
return STATUS_NOT_IMPLEMENTED;
}
if (apc_user && !warn++) FIXME("I/O completion on lock not implemented yet\n");
for (;;)
{
SERVER_START_REQ( lock_file )
{
req->handle = wine_server_obj_handle( file );
req->offset = offset->QuadPart;
req->count = count->QuadPart;
req->shared = !exclusive;
req->wait = !dont_wait;
ret = wine_server_call( req );
handle = wine_server_ptr_handle( reply->handle );
async = reply->overlapped;
}
SERVER_END_REQ;
if (ret != STATUS_PENDING)
{
if (!ret && event) NtSetEvent( event, NULL );
return ret;
}
if (async)
{
FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
if (handle) NtClose( handle );
return STATUS_PENDING;
}
if (handle)
{
NtWaitForSingleObject( handle, FALSE, NULL );
NtClose( handle );
}
else /* Unix lock conflict, sleep a bit and retry */
{
LARGE_INTEGER time;
time.QuadPart = -100 * (ULONGLONG)10000;
NtDelayExecution( FALSE, &time );
}
}
}
/******************************************************************
* NtUnlockFile (NTDLL.@)
*/
NTSTATUS WINAPI NtUnlockFile( HANDLE handle, IO_STATUS_BLOCK *io_status, LARGE_INTEGER *offset,
LARGE_INTEGER *count, ULONG *key )
{
NTSTATUS status;
TRACE( "%p %x%08x %x%08x\n",
handle, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.LowPart );
if (io_status || key)
{
FIXME("Unimplemented yet parameter\n");
return STATUS_NOT_IMPLEMENTED;
}
SERVER_START_REQ( unlock_file )
{
req->handle = wine_server_obj_handle( handle );
req->offset = offset->QuadPart;
req->count = count->QuadPart;
status = wine_server_call( req );
}
SERVER_END_REQ;
return status;
}
static BOOL read_changes_apc( void *user, ULONG_PTR *info, NTSTATUS *status )
{
struct async_fileio_read_changes *fileio = user;
int size = 0;
if (*status == STATUS_ALERTED)
{
SERVER_START_REQ( read_change )
{
req->handle = wine_server_obj_handle( fileio->io.handle );
wine_server_set_reply( req, fileio->data, fileio->data_size );
*status = wine_server_call( req );
size = wine_server_reply_size( reply );
}
SERVER_END_REQ;
if (*status == STATUS_SUCCESS && fileio->buffer)
{
FILE_NOTIFY_INFORMATION *pfni = fileio->buffer;
int i, left = fileio->buffer_size;
DWORD *last_entry_offset = NULL;
struct filesystem_event *event = (struct filesystem_event*)fileio->data;
while (size && left >= sizeof(*pfni))
{
DWORD len = (left - offsetof(FILE_NOTIFY_INFORMATION, FileName)) / sizeof(WCHAR);
/* convert to an NT style path */
for (i = 0; i < event->len; i++)
if (event->name[i] == '/') event->name[i] = '\\';
pfni->Action = event->action;
pfni->FileNameLength = ntdll_umbstowcs( event->name, event->len, pfni->FileName, len );
last_entry_offset = &pfni->NextEntryOffset;
if (pfni->FileNameLength == len) break;
i = offsetof(FILE_NOTIFY_INFORMATION, FileName[pfni->FileNameLength]);
pfni->FileNameLength *= sizeof(WCHAR);
pfni->NextEntryOffset = i;
pfni = (FILE_NOTIFY_INFORMATION*)((char*)pfni + i);
left -= i;
i = (offsetof(struct filesystem_event, name[event->len])
+ sizeof(int)-1) / sizeof(int) * sizeof(int);
event = (struct filesystem_event*)((char*)event + i);
size -= i;
}
if (size)
{
*status = STATUS_NOTIFY_ENUM_DIR;
size = 0;
}
else
{
if (last_entry_offset) *last_entry_offset = 0;
size = fileio->buffer_size - left;
}
}
else
{
*status = STATUS_NOTIFY_ENUM_DIR;
size = 0;
}
}
*info = size;
release_fileio( &fileio->io );
return TRUE;
}
#define FILE_NOTIFY_ALL ( \
FILE_NOTIFY_CHANGE_FILE_NAME | \
FILE_NOTIFY_CHANGE_DIR_NAME | \
FILE_NOTIFY_CHANGE_ATTRIBUTES | \
FILE_NOTIFY_CHANGE_SIZE | \
FILE_NOTIFY_CHANGE_LAST_WRITE | \
FILE_NOTIFY_CHANGE_LAST_ACCESS | \
FILE_NOTIFY_CHANGE_CREATION | \
FILE_NOTIFY_CHANGE_SECURITY )
/******************************************************************************
* NtNotifyChangeDirectoryFile (NTDLL.@)
*/
NTSTATUS WINAPI NtNotifyChangeDirectoryFile( HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc,
void *apc_context, IO_STATUS_BLOCK *iosb, void *buffer,
ULONG buffer_size, ULONG filter, BOOLEAN subtree )
{
struct async_fileio_read_changes *fileio;
NTSTATUS status;
ULONG size = max( 4096, buffer_size );
TRACE( "%p %p %p %p %p %p %u %u %d\n",
handle, event, apc, apc_context, iosb, buffer, buffer_size, filter, subtree );
if (!iosb) return STATUS_ACCESS_VIOLATION;
if (filter == 0 || (filter & ~FILE_NOTIFY_ALL)) return STATUS_INVALID_PARAMETER;
fileio = (struct async_fileio_read_changes *)alloc_fileio(
offsetof(struct async_fileio_read_changes, data[size]), read_changes_apc, handle );
if (!fileio) return STATUS_NO_MEMORY;
fileio->buffer = buffer;
fileio->buffer_size = buffer_size;
fileio->data_size = size;
SERVER_START_REQ( read_directory_changes )
{
req->filter = filter;
req->want_data = (buffer != NULL);
req->subtree = subtree;
req->async = server_async( handle, &fileio->io, event, apc, apc_context, iosb_client_ptr(iosb) );
status = wine_server_call( req );
}
SERVER_END_REQ;
if (status != STATUS_PENDING) free( fileio );
return status;
}
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(__APPLE__)
/* helper for FILE_GetDeviceInfo to hide some platform differences in fstatfs */
static inline void get_device_info_fstatfs( FILE_FS_DEVICE_INFORMATION *info, const char *fstypename,
unsigned int flags )
{
if (!strcmp("cd9660", fstypename) || !strcmp("udf", fstypename))
{
info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
/* Don't assume read-only, let the mount options set it below */
info->Characteristics |= FILE_REMOVABLE_MEDIA;
}
else if (!strcmp("nfs", fstypename) || !strcmp("nwfs", fstypename) ||
!strcmp("smbfs", fstypename) || !strcmp("afpfs", fstypename))
{
info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
info->Characteristics |= FILE_REMOTE_DEVICE;
}
else if (!strcmp("procfs", fstypename))
info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
else
info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
if (flags & MNT_RDONLY)
info->Characteristics |= FILE_READ_ONLY_DEVICE;
if (!(flags & MNT_LOCAL))
{
info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
info->Characteristics |= FILE_REMOTE_DEVICE;
}
}
#endif
static inline BOOL is_device_placeholder( int fd )
{
static const char wine_placeholder[] = "Wine device placeholder";
char buffer[sizeof(wine_placeholder)-1];
if (pread( fd, buffer, sizeof(wine_placeholder) - 1, 0 ) != sizeof(wine_placeholder) - 1)
return FALSE;
return !memcmp( buffer, wine_placeholder, sizeof(wine_placeholder) - 1 );
}
static NTSTATUS get_device_info( int fd, FILE_FS_DEVICE_INFORMATION *info )
{
struct stat st;
info->Characteristics = 0;
if (fstat( fd, &st ) < 0) return errno_to_status( errno );
if (S_ISCHR( st.st_mode ))
{
info->DeviceType = FILE_DEVICE_UNKNOWN;
#ifdef linux
switch(major(st.st_rdev))
{
case MEM_MAJOR:
info->DeviceType = FILE_DEVICE_NULL;
break;
case TTY_MAJOR:
info->DeviceType = FILE_DEVICE_SERIAL_PORT;
break;
case LP_MAJOR:
info->DeviceType = FILE_DEVICE_PARALLEL_PORT;
break;
case SCSI_TAPE_MAJOR:
info->DeviceType = FILE_DEVICE_TAPE;
break;
}
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__APPLE__)
{
int d_type;
if (ioctl(fd, FIODTYPE, &d_type) == 0)
{
switch(d_type)
{
case D_TAPE:
info->DeviceType = FILE_DEVICE_TAPE;
break;
case D_DISK:
info->DeviceType = FILE_DEVICE_DISK;
break;
case D_TTY:
info->DeviceType = FILE_DEVICE_SERIAL_PORT;
break;
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
case D_MEM:
info->DeviceType = FILE_DEVICE_NULL;
break;
#endif
}
/* no special d_type for parallel ports */
}
}
#endif
}
else if (S_ISBLK( st.st_mode ))
{
info->DeviceType = FILE_DEVICE_DISK;
}
else if (S_ISFIFO( st.st_mode ) || S_ISSOCK( st.st_mode ))
{
info->DeviceType = FILE_DEVICE_NAMED_PIPE;
}
else if (is_device_placeholder( fd ))
{
info->DeviceType = FILE_DEVICE_DISK;
}
else /* regular file or directory */
{
#if defined(linux) && defined(HAVE_FSTATFS)
struct statfs stfs;
/* check for floppy disk */
if (major(st.st_dev) == FLOPPY_MAJOR)
info->Characteristics |= FILE_REMOVABLE_MEDIA;
if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
switch (stfs.f_type)
{
case 0x9660: /* iso9660 */
case 0x9fa1: /* supermount */
case 0x15013346: /* udf */
info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
break;
case 0x6969: /* nfs */
case 0xff534d42: /* cifs */
case 0xfe534d42: /* smb2 */
case 0x517b: /* smbfs */
case 0x564c: /* ncpfs */
info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
info->Characteristics |= FILE_REMOTE_DEVICE;
break;
case 0x1373: /* devfs */
case 0x9fa0: /* procfs */
info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
break;
case 0x01021994: /* tmpfs */
case 0x28cd3d45: /* cramfs */
/* Don't map these to FILE_DEVICE_VIRTUAL_DISK by default. Virtual
* filesystems are rare on Windows, and some programs refuse to
* recognize them as valid. */
default:
info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
break;
}
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(__APPLE__)
struct statfs stfs;
if (fstatfs( fd, &stfs ) < 0)
info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
else
get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flags );
#elif defined(__NetBSD__)
struct statvfs stfs;
if (fstatvfs( fd, &stfs) < 0)
info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
else
get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flag );
#elif defined(sun)
/* Use dkio to work out device types */
{
# include <sys/dkio.h>
# include <sys/vtoc.h>
struct dk_cinfo dkinf;
int retval = ioctl(fd, DKIOCINFO, &dkinf);
if(retval==-1){
WARN("Unable to get disk device type information - assuming a disk like device\n");
info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
}
switch (dkinf.dki_ctype)
{
case DKC_CDROM:
info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
break;
case DKC_NCRFLOPPY:
case DKC_SMSFLOPPY:
case DKC_INTEL82072:
case DKC_INTEL82077:
info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
info->Characteristics |= FILE_REMOVABLE_MEDIA;
break;
case DKC_MD:
/* Don't map these to FILE_DEVICE_VIRTUAL_DISK by default. Virtual
* filesystems are rare on Windows, and some programs refuse to
* recognize them as valid. */
default:
info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
}
}
#else
static int warned;
if (!warned++) FIXME( "device info not properly supported on this platform\n" );
info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
#endif
info->Characteristics |= FILE_DEVICE_IS_MOUNTED;
}
return STATUS_SUCCESS;
}
/******************************************************************************
* NtQueryVolumeInformationFile (NTDLL.@)
*/
NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, IO_STATUS_BLOCK *io,
void *buffer, ULONG length,
FS_INFORMATION_CLASS info_class )
{
int fd, needs_close;
struct stat st;
NTSTATUS status;
status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL );
if (status == STATUS_BAD_DEVICE_TYPE)
{
struct async_irp *async;
HANDLE wait_handle;
if (!(async = (struct async_irp *)alloc_fileio( sizeof(*async), irp_completion, handle )))
return STATUS_NO_MEMORY;
async->buffer = buffer;
async->size = length;
SERVER_START_REQ( get_volume_info )
{
req->async = server_async( handle, &async->io, NULL, NULL, NULL, iosb_client_ptr(io) );
req->handle = wine_server_obj_handle( handle );
req->info_class = info_class;
wine_server_set_reply( req, buffer, length );
status = wine_server_call( req );
if (status != STATUS_PENDING)
{
io->u.Status = status;
io->Information = wine_server_reply_size( reply );
}
wait_handle = wine_server_ptr_handle( reply->wait );
}
SERVER_END_REQ;
if (status != STATUS_PENDING) free( async );
if (wait_handle) status = wait_async( wait_handle, FALSE );
return status;
}
else if (status) return io->u.Status = status;
io->Information = 0;
switch( info_class )
{
case FileFsLabelInformation:
FIXME( "%p: label info not supported\n", handle );
status = STATUS_NOT_IMPLEMENTED;
break;
case FileFsSizeInformation:
if (length < sizeof(FILE_FS_SIZE_INFORMATION))
status = STATUS_BUFFER_TOO_SMALL;
else
{
FILE_FS_SIZE_INFORMATION *info = buffer;
if (fstat( fd, &st ) < 0)
{
status = errno_to_status( errno );
break;
}
if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
{
status = STATUS_INVALID_DEVICE_REQUEST;
}
else
{
ULONGLONG bsize;
/* Linux's fstatvfs is buggy */
#if !defined(linux) || !defined(HAVE_FSTATFS)
struct statvfs stfs;
if (fstatvfs( fd, &stfs ) < 0)
{
status = errno_to_status( errno );
break;
}
bsize = stfs.f_frsize;
#else
struct statfs stfs;
if (fstatfs( fd, &stfs ) < 0)
{
status = errno_to_status( errno );
break;
}
bsize = stfs.f_bsize;
#endif
if (bsize == 2048) /* assume CD-ROM */
{
info->BytesPerSector = 2048;
info->SectorsPerAllocationUnit = 1;
}
else
{
info->BytesPerSector = 512;
info->SectorsPerAllocationUnit = 8;
}
info->TotalAllocationUnits.QuadPart = bsize * stfs.f_blocks / (info->BytesPerSector * info->SectorsPerAllocationUnit);
info->AvailableAllocationUnits.QuadPart = bsize * stfs.f_bavail / (info->BytesPerSector * info->SectorsPerAllocationUnit);
io->Information = sizeof(*info);
status = STATUS_SUCCESS;
}
}
break;
case FileFsDeviceInformation:
if (length < sizeof(FILE_FS_DEVICE_INFORMATION))
status = STATUS_BUFFER_TOO_SMALL;
else
{
FILE_FS_DEVICE_INFORMATION *info = buffer;
if ((status = get_device_info( fd, info )) == STATUS_SUCCESS)
io->Information = sizeof(*info);
}
break;
case FileFsAttributeInformation:
{
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))
{
status = STATUS_INFO_LENGTH_MISMATCH;
break;
}
if (!get_mountmgr_fs_info( handle, fd, &drive, sizeof(drive) )) fs_type = drive.fs_type;
else
{
struct statfs stfs;
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" )) /* FreeBSD < 5, Apple */
fs_type = MOUNTMGR_FS_TYPE_FAT32;
else if (!strcmp( stfs.f_fstypename, "msdosfs" )) /* FreeBSD >= 5 */
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;
status = STATUS_SUCCESS;
break;
}
case FileFsVolumeInformation:
{
FILE_FS_VOLUME_INFORMATION *info = buffer;
ULONGLONG data[64];
struct mountmgr_unix_drive *drive = (struct mountmgr_unix_drive *)data;
const WCHAR *label;
if (length < sizeof(FILE_FS_VOLUME_INFORMATION))
{
status = STATUS_INFO_LENGTH_MISMATCH;
break;
}
if (get_mountmgr_fs_info( handle, fd, drive, sizeof(data) ))
{
status = STATUS_NOT_IMPLEMENTED;
break;
}
label = (WCHAR *)((char *)drive + drive->label_offset);
info->VolumeCreationTime.QuadPart = 0; /* FIXME */
info->VolumeSerialNumber = drive->serial;
info->VolumeLabelLength = min( wcslen( label ) * sizeof(WCHAR),
length - offsetof( FILE_FS_VOLUME_INFORMATION, VolumeLabel ) );
info->SupportsObjects = (drive->fs_type == MOUNTMGR_FS_TYPE_NTFS);
memcpy( info->VolumeLabel, label, info->VolumeLabelLength );
io->Information = offsetof( FILE_FS_VOLUME_INFORMATION, VolumeLabel ) + info->VolumeLabelLength;
status = STATUS_SUCCESS;
break;
}
case FileFsControlInformation:
FIXME( "%p: control info not supported\n", handle );
status = STATUS_NOT_IMPLEMENTED;
break;
case FileFsFullSizeInformation:
FIXME( "%p: full size info not supported\n", handle );
status = STATUS_NOT_IMPLEMENTED;
break;
case FileFsObjectIdInformation:
FIXME( "%p: object id info not supported\n", handle );
status = STATUS_NOT_IMPLEMENTED;
break;
case FileFsMaximumInformation:
FIXME( "%p: maximum info not supported\n", handle );
status = STATUS_NOT_IMPLEMENTED;
break;
default:
status = STATUS_INVALID_PARAMETER;
break;
}
if (needs_close) close( fd );
return io->u.Status = status;
}
/******************************************************************************
* NtSetVolumeInformationFile (NTDLL.@)
*/
NTSTATUS WINAPI NtSetVolumeInformationFile( HANDLE handle, IO_STATUS_BLOCK *io, void *info,
ULONG length, FS_INFORMATION_CLASS class )
{
FIXME( "(%p,%p,%p,0x%08x,0x%08x) stub\n", handle, io, info, length, class );
return STATUS_SUCCESS;
}
/******************************************************************
* NtQueryEaFile (NTDLL.@)
*/
NTSTATUS WINAPI NtQueryEaFile( HANDLE handle, IO_STATUS_BLOCK *io, void *buffer, ULONG length,
BOOLEAN single_entry, void *list, ULONG list_len,
ULONG *index, BOOLEAN restart )
{
FIXME( "(%p,%p,%p,%d,%d,%p,%d,%p,%d) stub\n",
handle, io, buffer, length, single_entry, list, list_len, index, restart );
return STATUS_ACCESS_DENIED;
}
/******************************************************************
* NtSetEaFile (NTDLL.@)
*/
NTSTATUS WINAPI NtSetEaFile( HANDLE handle, IO_STATUS_BLOCK *io, void *buffer, ULONG length )
{
FIXME( "(%p,%p,%p,%d) stub\n", handle, io, buffer, length );
return STATUS_ACCESS_DENIED;
}
/* convert type information from server format; helper for NtQueryObject */
static void *put_object_type_info( OBJECT_TYPE_INFORMATION *p, struct object_type_info *info )
{
const ULONG align = sizeof(DWORD_PTR) - 1;
memset( p, 0, sizeof(*p) );
p->TypeName.Buffer = (WCHAR *)(p + 1);
p->TypeName.Length = info->name_len;
p->TypeName.MaximumLength = info->name_len + sizeof(WCHAR);
p->TotalNumberOfObjects = info->obj_count;
p->TotalNumberOfHandles = info->handle_count;
p->HighWaterNumberOfObjects = info->obj_max;
p->HighWaterNumberOfHandles = info->handle_max;
p->TypeIndex = info->index + 2;
p->GenericMapping.GenericRead = info->mapping.read;
p->GenericMapping.GenericWrite = info->mapping.write;
p->GenericMapping.GenericExecute = info->mapping.exec;
p->GenericMapping.GenericAll = info->mapping.all;
p->ValidAccessMask = info->valid_access;
memcpy( p->TypeName.Buffer, info + 1, info->name_len );
p->TypeName.Buffer[info->name_len / sizeof(WCHAR)] = 0;
return (char *)(p + 1) + ((p->TypeName.MaximumLength + align) & ~align);
}
/**************************************************************************
* NtQueryObject (NTDLL.@)
*/
NTSTATUS WINAPI NtQueryObject( HANDLE handle, OBJECT_INFORMATION_CLASS info_class,
void *ptr, ULONG len, ULONG *used_len )
{
NTSTATUS status;
TRACE("(%p,0x%08x,%p,0x%08x,%p)\n", handle, info_class, ptr, len, used_len);
if (used_len) *used_len = 0;
switch (info_class)
{
case ObjectBasicInformation:
{
OBJECT_BASIC_INFORMATION *p = ptr;
if (len < sizeof(*p)) return STATUS_INFO_LENGTH_MISMATCH;
SERVER_START_REQ( get_object_info )
{
req->handle = wine_server_obj_handle( handle );
status = wine_server_call( req );
if (status == STATUS_SUCCESS)
{
memset( p, 0, sizeof(*p) );
p->GrantedAccess = reply->access;
p->PointerCount = reply->ref_count;
p->HandleCount = reply->handle_count;
if (used_len) *used_len = sizeof(*p);
}
}
SERVER_END_REQ;
break;
}
case ObjectNameInformation:
{
OBJECT_NAME_INFORMATION *p = ptr;
char *unix_name;
WCHAR *nt_name;
/* first try as a file object */
if (!(status = server_get_unix_name( handle, &unix_name )))
{
if (!(status = unix_to_nt_file_name( unix_name, &nt_name )))
{
ULONG size = (wcslen(nt_name) + 1) * sizeof(WCHAR);
if (len < sizeof(*p)) status = STATUS_INFO_LENGTH_MISMATCH;
else if (len < sizeof(*p) + size) status = STATUS_BUFFER_OVERFLOW;
else
{
p->Name.Buffer = (WCHAR *)(p + 1);
p->Name.Length = size - sizeof(WCHAR);
p->Name.MaximumLength = size;
wcscpy( p->Name.Buffer, nt_name );
}
if (used_len) *used_len = sizeof(*p) + size;
free( nt_name );
}
free( unix_name );
break;
}
else if (status != STATUS_OBJECT_TYPE_MISMATCH) break;
/* not a file, treat as a generic object */
SERVER_START_REQ( get_object_name )
{
req->handle = wine_server_obj_handle( handle );
if (len > sizeof(*p)) wine_server_set_reply( req, p + 1, len - sizeof(*p) );
status = wine_server_call( req );
if (status == STATUS_SUCCESS)
{
if (!reply->total) /* no name */
{
if (sizeof(*p) > len) status = STATUS_INFO_LENGTH_MISMATCH;
else memset( p, 0, sizeof(*p) );
if (used_len) *used_len = sizeof(*p);
}
else if (sizeof(*p) + reply->total + sizeof(WCHAR) > len)
{
if (used_len) *used_len = sizeof(*p) + reply->total + sizeof(WCHAR);
status = STATUS_INFO_LENGTH_MISMATCH;
}
else
{
ULONG res = wine_server_reply_size( reply );
p->Name.Buffer = (WCHAR *)(p + 1);
p->Name.Length = res;
p->Name.MaximumLength = res + sizeof(WCHAR);
p->Name.Buffer[res / sizeof(WCHAR)] = 0;
if (used_len) *used_len = sizeof(*p) + p->Name.MaximumLength;
}
}
}
SERVER_END_REQ;
break;
}
case ObjectTypeInformation:
{
OBJECT_TYPE_INFORMATION *p = ptr;
char buffer[sizeof(struct object_type_info) + 64];
struct object_type_info *info = (struct object_type_info *)buffer;
SERVER_START_REQ( get_object_type )
{
req->handle = wine_server_obj_handle( handle );
wine_server_set_reply( req, buffer, sizeof(buffer) );
status = wine_server_call( req );
}
SERVER_END_REQ;
if (status) break;
if (sizeof(*p) + info->name_len + sizeof(WCHAR) <= len)
{
put_object_type_info( p, info );
if (used_len) *used_len = sizeof(*p) + p->TypeName.MaximumLength;
}
else
{
if (used_len) *used_len = sizeof(*p) + info->name_len + sizeof(WCHAR);
status = STATUS_INFO_LENGTH_MISMATCH;
}
break;
}
case ObjectTypesInformation:
{
OBJECT_TYPES_INFORMATION *types = ptr;
OBJECT_TYPE_INFORMATION *p;
struct object_type_info *buffer;
/* assume at most 32 types, with an average 16-char name */
ULONG size = 32 * (sizeof(struct object_type_info) + 16 * sizeof(WCHAR));
ULONG i, count, pos, total, align = sizeof(DWORD_PTR) - 1;
buffer = malloc( size );
SERVER_START_REQ( get_object_types )
{
wine_server_set_reply( req, buffer, size );
status = wine_server_call( req );
count = reply->count;
}
SERVER_END_REQ;
if (!status)
{
if (len >= sizeof(*types)) types->NumberOfTypes = count;
total = (sizeof(*types) + align) & ~align;
p = (OBJECT_TYPE_INFORMATION *)((char *)ptr + total);
for (i = pos = 0; i < count; i++)
{
struct object_type_info *info = (struct object_type_info *)((char *)buffer + pos);
pos += sizeof(*info) + ((info->name_len + 3) & ~3);
total += sizeof(*p) + ((info->name_len + sizeof(WCHAR) + align) & ~align);
if (total <= len) p = put_object_type_info( p, info );
}
if (used_len) *used_len = total;
if (total > len) status = STATUS_INFO_LENGTH_MISMATCH;
}
else if (status == STATUS_BUFFER_OVERFLOW) FIXME( "size %u too small\n", size );
free( buffer );
break;
}
case ObjectDataInformation:
{
OBJECT_DATA_INFORMATION* p = ptr;
if (len < sizeof(*p)) return STATUS_INVALID_BUFFER_SIZE;
SERVER_START_REQ( set_handle_info )
{
req->handle = wine_server_obj_handle( handle );
req->flags = 0;
req->mask = 0;
status = wine_server_call( req );
if (status == STATUS_SUCCESS)
{
p->InheritHandle = (reply->old_flags & HANDLE_FLAG_INHERIT) != 0;
p->ProtectFromClose = (reply->old_flags & HANDLE_FLAG_PROTECT_FROM_CLOSE) != 0;
if (used_len) *used_len = sizeof(*p);
}
}
SERVER_END_REQ;
break;
}
default:
FIXME("Unsupported information class %u\n", info_class);
status = STATUS_NOT_IMPLEMENTED;
break;
}
return status;
}
/**************************************************************************
* NtSetInformationObject (NTDLL.@)
*/
NTSTATUS WINAPI NtSetInformationObject( HANDLE handle, OBJECT_INFORMATION_CLASS info_class,
void *ptr, ULONG len )
{
NTSTATUS status;
TRACE("(%p,0x%08x,%p,0x%08x)\n", handle, info_class, ptr, len);
switch (info_class)
{
case ObjectDataInformation:
{
OBJECT_DATA_INFORMATION* p = ptr;
if (len < sizeof(*p)) return STATUS_INVALID_BUFFER_SIZE;
SERVER_START_REQ( set_handle_info )
{
req->handle = wine_server_obj_handle( handle );
req->mask = HANDLE_FLAG_INHERIT | HANDLE_FLAG_PROTECT_FROM_CLOSE;
if (p->InheritHandle) req->flags |= HANDLE_FLAG_INHERIT;
if (p->ProtectFromClose) req->flags |= HANDLE_FLAG_PROTECT_FROM_CLOSE;
status = wine_server_call( req );
}
SERVER_END_REQ;
break;
}
default:
FIXME("Unsupported information class %u\n", info_class);
status = STATUS_NOT_IMPLEMENTED;
break;
}
return status;
}
Reference in New Issue View Git Blame Copy Permalink