/* * 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 "wine/port.h" #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_MNTENT_H #include #endif #ifdef HAVE_POLL_H #include #endif #ifdef HAVE_SYS_STAT_H # include #endif #ifdef HAVE_SYS_STATVFS_H # include #endif #ifdef HAVE_SYS_SYSCALL_H # include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef HAVE_SYS_TIME_H # include #endif #ifdef HAVE_SYS_ATTR_H #include #endif #ifdef MAJOR_IN_MKDEV # include #elif defined(MAJOR_IN_SYSMACROS) # include #endif #ifdef HAVE_SYS_VNODE_H # ifdef HAVE_STDINT_H # include /* 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 #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 #endif #ifdef HAVE_LINUX_IOCTL_H #include #endif #ifdef HAVE_LINUX_MAJOR_H # include #endif #ifdef HAVE_SYS_PARAM_H #include #endif #ifdef HAVE_SYS_MOUNT_H #include #endif #ifdef HAVE_SYS_STATFS_H #include #endif #include #ifdef HAVE_UNISTD_H # include #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 #define FILE_WRITE_TO_END_OF_FILE ((LONGLONG)-1) #define FILE_USE_FILE_POINTER_POSITION ((LONGLONG)-2) /* 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 struct file_identity windir; 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_FILE_IS_A_DIRECTORY; 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 = RtlAllocateHeap( GetProcessHeap(), 0, 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) names = RtlReAllocateHeap( GetProcessHeap(), 0, names, new_size * sizeof(*names) ); else names = RtlAllocateHeap( GetProcessHeap(), 0, new_size * sizeof(*names) ); if (!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; RtlFreeHeap( GetProcessHeap(), 0, buffer ); } RtlFreeHeap( GetProcessHeap(), 0, data->names ); RtlFreeHeap( GetProcessHeap(), 0, 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 = RtlAllocateHeap( GetProcessHeap(), 0, FIELD_OFFSET( 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 ); RtlFreeHeap( GetProcessHeap(), 0, 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 ); RtlFreeHeap( GetProcessHeap(), 0, 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 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 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 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; pthread_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 = RtlAllocateHeap( GetProcessHeap(), 0, strlen(device) + 1 ); if (ret) strcpy( ret, device ); } pthread_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; pthread_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 = RtlAllocateHeap( GetProcessHeap(), 0, strlen(device) + 1 ); if (ret) strcpy( ret, device ); } pthread_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; pthread_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 = RtlAllocateHeap( GetProcessHeap(), 0, strlen(device) + 1 ); if (ret) strcpy( ret, device ); } pthread_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; pthread_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 = RtlAllocateHeap( GetProcessHeap(), 0, 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); } } } pthread_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; pthread_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 = RtlAllocateHeap( GetProcessHeap(), 0, strlen(entry->mnt_dir) + 1 ); if (ret) strcpy( ret, entry->mnt_dir ); break; } } fclose( f ); } pthread_mutex_unlock( &mnt_mutex ); #elif defined(__APPLE__) struct statfs *entry; struct stat st; int i, size; pthread_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 = RtlAllocateHeap( GetProcessHeap(), 0, strlen(entry[i].f_mntonname) + 1 ); if (ret) strcpy( ret, entry[i].f_mntonname ); break; } } pthread_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) { RtlFreeHeap( GetProcessHeap(), 0, mntpoint ); add_fs_cache( get_fsid.dev, get_fsid.fsid, TRUE ); return TRUE; } RtlFreeHeap( GetProcessHeap(), 0, 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 FALSE; /* Assume these file systems are always case insensitive on Mac OS. * For FreeBSD, only assume CIOPFS is case insensitive (AFAIK, Mac OS * is the only UNIX that supports case-insensitive lookup). */ if (!strcmp( stfs.f_fstypename, "fusefs" ) && !strncmp( stfs.f_mntfromname, "ciopfs", 5 )) return FALSE; #ifdef __APPLE__ if (!strcmp( stfs.f_fstypename, "msdos" ) || !strcmp( stfs.f_fstypename, "cd9660" ) || !strcmp( stfs.f_fstypename, "udf" ) || !strcmp( stfs.f_fstypename, "ntfs" ) || !strcmp( stfs.f_fstypename, "smbfs" )) 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 /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 FALSE; /* Only assume CIOPFS is case insensitive. */ if (strcmp( stfs.f_fstypename, "fusefs" ) || strncmp( stfs.f_mntfromname, "ciopfs", 5 )) return TRUE; return FALSE; #elif defined(__linux__) BOOLEAN sens = TRUE; struct statfs stfs; struct stat st; int fd, flags; if ((fd = open( dir, O_RDONLY | O_NONBLOCK | O_LARGEFILE )) == -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 && IS_SEPARATOR(p[-1])) p--; while (p > name->Buffer && !IS_SEPARATOR(p[-1])) p--; if (p == end || *p != '.') return FALSE; /* make sure it isn't '.' or '..' */ if (p + 1 == end) return FALSE; if (p[1] == '.' && p + 2 == end) return FALSE; return TRUE; } /*********************************************************************** * 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 '?': 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 = RtlAllocateHeap( GetProcessHeap(), 0, 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; RtlFreeHeap( GetProcessHeap(), 0, 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 = st->st_mtime * (ULONGLONG)TICKSPERSEC + TICKS_1601_TO_1970; ctime->QuadPart = st->st_ctime * (ULONGLONG)TICKSPERSEC + TICKS_1601_TO_1970; atime->QuadPart = st->st_atime * (ULONGLONG)TICKSPERSEC + TICKS_1601_TO_1970; #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 = st->st_birthtime * (ULONGLONG)TICKSPERSEC + TICKS_1601_TO_1970; #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 = st->__st_birthtime * (ULONGLONG)TICKSPERSEC + TICKS_1601_TO_1970; #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 (;;) { name = RtlAllocateHeap( GetProcessHeap(), 0, size + 1 ); if (!name) 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; } RtlFreeHeap( GetProcessHeap(), 0, 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 ); RtlFreeHeap( GetProcessHeap(), 0, 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; } /* 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); pthread_mutex_lock( &cache_mutex ); if (now != last_update) { char *buffer, *p; struct stat st; unsigned int i; if ((buffer = RtlAllocateHeap( GetProcessHeap(), 0, 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; } } RtlFreeHeap( GetProcessHeap(), 0, buffer ); } last_update = now; } memcpy( info, cache, sizeof(cache) ); ret = nb_drives; pthread_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 = RtlAllocateHeap( GetProcessHeap(), 0, len + 1 ))) return -1; memcpy( buffer, path, len ); buffer[len] = 0; for (;;) { if (!stat( buffer, &st ) && S_ISDIR( st.st_mode )) { if (st.st_dev != dev_id) break; for (drive = 0; drive < MAX_DOS_DRIVES; drive++) { if ((info[drive].dev == st.st_dev) && (info[drive].ino == st.st_ino)) { if (len == 1) len = 0; /* preserve root slash in returned path */ TRACE( "%s -> drive %c:, root=%s, name=%s\n", debugstr_a(path), 'A' + drive, debugstr_a(buffer), debugstr_a(path + len)); RtlFreeHeap( GetProcessHeap(), 0, buffer ); return drive; } } } if (len <= 1) break; /* reached root */ while (path[len - 1] != '/') len--; while (path[len - 1] == '/') len--; buffer[len] = 0; } RtlFreeHeap( GetProcessHeap(), 0, buffer ); return -1; } static 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; HANDLE mountmgr; NTSTATUS status; int letter; if ((status = server_get_unix_name( handle, &unix_name ))) return status; letter = find_dos_device( unix_name ); RtlFreeHeap( GetProcessHeap(), 0, unix_name ); if (letter == -1) { struct stat st; fstat( fd, &st ); drive->unix_dev = st.st_dev; drive->letter = 0; } else drive->letter = 'a' + letter; string.Buffer = (WCHAR *)MOUNTMGR_DEVICE_NAME; string.Length = sizeof(MOUNTMGR_DEVICE_NAME) - sizeof(WCHAR); InitializeObjectAttributes( &attr, &string, 0, NULL, NULL ); status = NtOpenFile( &mountmgr, GENERIC_READ | SYNCHRONIZE, &attr, &io, 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 = RtlAllocateHeap( GetProcessHeap(), HEAP_ZERO_MEMORY, 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) { /* release unused space */ if (data->buffer) RtlReAllocateHeap( GetProcessHeap(), HEAP_REALLOC_IN_PLACE_ONLY, data->buffer, offsetof( struct dir_data_buffer, data[data->buffer->pos] )); if (data->count < data->size) RtlReAllocateHeap( GetProcessHeap(), HEAP_REALLOC_IN_PLACE_ONLY, data->names, data->count * sizeof(*data->names) ); if (!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; if (dir_data_cache) new_cache = RtlReAllocateHeap( GetProcessHeap(), HEAP_ZERO_MEMORY, dir_data_cache, size * sizeof(*new_cache) ); else new_cache = RtlAllocateHeap( GetProcessHeap(), HEAP_ZERO_MEMORY, size * sizeof(*new_cache) ); if (!new_cache) return STATUS_NO_MEMORY; 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; pthread_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 = STATUS_ACCESS_DENIED; pthread_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, BOOLEAN *is_win_dir ) { 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 )) { if (is_win_dir) *is_win_dir = is_same_file( &windir, &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 ); goto 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 ); goto success; } if (ioctl( fd, VFAT_IOCTL_READDIR_BOTH, (long)kde ) == -1) { close( fd ); goto not_found; } } } close( fd ); } /* fall through to normal handling */ } #endif /* VFAT_IOCTL_READDIR_BOTH */ if (!(dir = opendir( unix_name ))) { if (errno == ENOENT) return STATUS_OBJECT_PATH_NOT_FOUND; else return STATUS_ACCESS_DENIED; } 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 ); goto 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 ); goto success; } } } closedir( dir ); not_found: unix_name[pos - 1] = 0; return STATUS_OBJECT_PATH_NOT_FOUND; success: if (is_win_dir && !stat( unix_name, &st )) *is_win_dir = is_same_file( &windir, &st ); return STATUS_SUCCESS; } #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 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 struct { const WCHAR *source; const char *unix_target; } redirects[] = { { catrootW, NULL }, { catroot2W, NULL }, { driversstoreW, NULL }, { driversetcW, NULL }, { logfilesW, NULL }, { spoolW, NULL }, { system32W, "syswow64" }, { sysnativeW, "system32" }, { regeditW, "syswow64/regedit.exe" } }; static unsigned int nb_redirects; /*********************************************************************** * init_redirects */ static void init_redirects(void) { static const char windows_dir[] = "/dosdevices/c:/windows"; char *dir; struct stat st; if (!(dir = malloc( strlen(config_dir) + sizeof(windows_dir) ))) return; strcpy( dir, config_dir ); strcat( dir, windows_dir ); if (!stat( dir, &st )) { windir.dev = st.st_dev; windir.ino = st.st_ino; nb_redirects = ARRAY_SIZE( redirects ); } else ERR( "%s: %s\n", dir, strerror(errno) ); free( dir ); } /*********************************************************************** * match_redirect * * Check if path matches a redirect name. If yes, return matched length. */ static int match_redirect( const WCHAR *path, int len, const WCHAR *redir, BOOLEAN check_case ) { int i = 0; while (i < len) { int start = i; while (i < len && !IS_SEPARATOR(path[i])) i++; if (check_case) { if (wcsncmp( path + start, redir, i - start )) return 0; } else { if (wcsnicmp( path + start, redir, i - start )) return 0; } redir += i - start; while (i < len && IS_SEPARATOR(path[i])) i++; if (!*redir) return i; if (*redir++ != '\\') return 0; } return 0; } /*********************************************************************** * get_redirect_path * * Retrieve the Unix path corresponding to a redirected path if any. */ static int get_redirect_path( char *unix_name, int pos, const WCHAR *name, int length, BOOLEAN check_case ) { unsigned int i; int len; for (i = 0; i < nb_redirects; i++) { if ((len = match_redirect( name, length, redirects[i].source, check_case ))) { if (!redirects[i].unix_target) break; unix_name[pos++] = '/'; strcpy( unix_name + pos, redirects[i].unix_target ); return len; } } return 0; } #else /* _WIN64 */ /* there are no redirects on 64-bit */ static const unsigned int nb_redirects = 0; static int get_redirect_path( char *unix_name, int pos, const WCHAR *name, int length, BOOLEAN check_case ) { return 0; } #endif /*********************************************************************** * init_files */ void init_files(void) { #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 ); } /****************************************************************************** * get_dos_device * * Get the Unix path of a DOS device. */ static NTSTATUS get_dos_device( const WCHAR *name, UINT name_len, char **unix_name_ret ) { struct stat st; char *unix_name, *new_name, *dev; unsigned int i; int unix_len; /* make sure the device name is ASCII */ for (i = 0; i < name_len; i++) if (name[i] <= 32 || name[i] >= 127) return STATUS_BAD_DEVICE_TYPE; unix_len = strlen(config_dir) + sizeof("/dosdevices/") + name_len + 1; if (!(unix_name = RtlAllocateHeap( GetProcessHeap(), 0, unix_len ))) return STATUS_NO_MEMORY; strcpy( unix_name, config_dir ); strcat( unix_name, "/dosdevices/" ); dev = unix_name + strlen(unix_name); for (i = 0; i < name_len; i++) dev[i] = (name[i] >= 'A' && name[i] <= 'Z' ? name[i] + 32 : name[i]); dev[i] = 0; /* special case for drive devices */ if (name_len == 2 && dev[1] == ':') { dev[i++] = ':'; dev[i] = 0; } for (;;) { if (!stat( unix_name, &st )) { TRACE( "%s -> %s\n", debugstr_wn(name,name_len), debugstr_a(unix_name) ); *unix_name_ret = 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 ); } if (!new_name) break; RtlFreeHeap( GetProcessHeap(), 0, unix_name ); unix_name = new_name; unix_len = strlen(unix_name) + 1; dev = NULL; /* last try */ } RtlFreeHeap( GetProcessHeap(), 0, unix_name ); 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 = RtlReAllocateHeap( GetProcessHeap(), 0, 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 ) { 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; 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 = RtlAllocateHeap( GetProcessHeap(), 0, 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; } pthread_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 = STATUS_ACCESS_DENIED; pthread_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; } else { TRACE( "%s not found in dir %p\n", wine_dbgstr_longlong(file_id), attr->RootDirectory ); RtlFreeHeap( GetProcessHeap(), 0, 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, BOOLEAN check_case ) { NTSTATUS status; int ret, len; struct stat st; char *unix_name = *buffer; const BOOL redirect = nb_redirects && ntdll_get_thread_data()->wow64_redir; /* try a shortcut first */ while (name_len && IS_SEPARATOR(*name)) { name++; name_len--; } 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 (!name_len || !redirect || (!strstr( unix_name, "/windows/") && strncmp( unix_name, "windows/", 8 ))) { 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 (check_case && !redirect && (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; BOOLEAN is_win_dir = FALSE; end = name; while (end < name + name_len && !IS_SEPARATOR(*end)) end++; next = end; while (next < name + name_len && IS_SEPARATOR(*next)) 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 = RtlReAllocateHeap( GetProcessHeap(), 0, unix_name, unix_len ))) return STATUS_NO_MEMORY; unix_name = *buffer = new_name; } status = find_file_in_dir( unix_name, pos, name, end - name, check_case, redirect ? &is_win_dir : NULL ); /* 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; if (is_win_dir && (len = get_redirect_path( unix_name, pos, name, name_len, check_case ))) { name += len; name_len -= len; pos += strlen( unix_name + pos ); TRACE( "redirecting -> %s + %s\n", debugstr_a(unix_name), debugstr_w(name) ); } } return status; } /****************************************************************************** * nt_to_unix_file_name_attr */ static NTSTATUS nt_to_unix_file_name_attr( const OBJECT_ATTRIBUTES *attr, char **name_ret, UINT disposition ) { static const WCHAR invalid_charsW[] = { INVALID_NT_CHARS, 0 }; enum server_fd_type type; int old_cwd, root_fd, needs_close; const WCHAR *name, *p; 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( attr->ObjectName, name_ret, disposition ); name = attr->ObjectName->Buffer; name_len = attr->ObjectName->Length / sizeof(WCHAR); if (name_len && IS_SEPARATOR(name[0])) return STATUS_INVALID_PARAMETER; /* check for invalid characters */ for (p = name; p < name + name_len; p++) if (*p < 32 || wcschr( invalid_charsW, *p )) return STATUS_OBJECT_NAME_INVALID; unix_len = name_len * 3 + MAX_DIR_ENTRY_LEN + 3; if (!(unix_name = RtlAllocateHeap( GetProcessHeap(), 0, 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 { pthread_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 = STATUS_ACCESS_DENIED; pthread_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 ); RtlFreeHeap( GetProcessHeap(), 0, 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 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, *p; struct stat st; char *unix_name; int pos, ret, name_len, unix_len, prefix_len; WCHAR prefix[MAX_DIR_ENTRY_LEN + 1]; BOOLEAN check_case = FALSE; BOOLEAN is_unix = FALSE; name = nameW->Buffer; name_len = nameW->Length / sizeof(WCHAR); if (!name_len || !IS_SEPARATOR(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 (IS_SEPARATOR(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 == name_len) /* no subdir, plain DOS device */ return get_dos_device( name, name_len, unix_name_ret ); prefix_len = pos; prefix[prefix_len] = 0; name += prefix_len; name_len -= prefix_len; /* check for invalid characters (all chars except 0 are valid for unix) */ is_unix = (prefix_len == 4 && !memcmp( prefix, unixW, sizeof(unixW) )); if (is_unix) { for (p = name; p < name + name_len; p++) if (!*p) return STATUS_OBJECT_NAME_INVALID; check_case = TRUE; } else { for (p = name; p < name + name_len; p++) if (*p < 32 || wcschr( invalid_charsW, *p )) return STATUS_OBJECT_NAME_INVALID; } unix_len = (prefix_len + name_len) * 3 + MAX_DIR_ENTRY_LEN + 3; unix_len += strlen(config_dir) + sizeof("/dosdevices/"); if (!(unix_name = RtlAllocateHeap( GetProcessHeap(), 0, 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) { RtlFreeHeap( GetProcessHeap(), 0, unix_name ); return STATUS_OBJECT_NAME_INVALID; } pos += ret; /* check if prefix exists (except for DOS drives to avoid extra stat calls) */ if (prefix_len != 2 || prefix[1] != ':') { unix_name[pos] = 0; if (lstat( unix_name, &st ) == -1 && errno == ENOENT) { if (!is_unix) { RtlFreeHeap( GetProcessHeap(), 0, unix_name ); return STATUS_BAD_DEVICE_TYPE; } pos = 0; /* fall back to unix root */ } } status = lookup_unix_name( name, name_len, &unix_name, unix_len, pos, disposition, check_case ); 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 ); RtlFreeHeap( GetProcessHeap(), 0, 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 CDECL wine_nt_to_unix_file_name( const UNICODE_STRING *nameW, char *nameA, SIZE_T *size, UINT disposition ) { char *buffer = NULL; NTSTATUS status = nt_to_unix_file_name( nameW, &buffer, disposition ); if (buffer) { if (*size > strlen(buffer)) strcpy( nameA, buffer ); else status = STATUS_BUFFER_TOO_SMALL; *size = strlen(buffer) + 1; RtlFreeHeap( GetProcessHeap(), 0, buffer ); } return status; } /****************************************************************** * 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 *p, *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 = RtlAllocateHeap( GetProcessHeap(), 0, (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; for (p = buffer; *p; p++) if (*p == '/') *p = '\\'; *nt = buffer; return STATUS_SUCCESS; } /****************************************************************** * wine_unix_to_nt_file_name */ NTSTATUS CDECL wine_unix_to_nt_file_name( const char *name, WCHAR *buffer, SIZE_T *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; RtlFreeHeap( GetProcessHeap(), 0, nt_name ); } return status; } /*********************************************************************** * 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 = RtlAllocateHeap( GetProcessHeap(), 0, strlen(mount_point)+sizeof(umount)); if (cmd) { strcpy( cmd, umount ); strcat( cmd, mount_point ); system( cmd ); RtlFreeHeap( GetProcessHeap(), 0, 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 } RtlFreeHeap( GetProcessHeap(), 0, mount_point ); } } if (needs_close) close( unix_fd ); } return status; } /*********************************************************************** * set_show_dot_files */ void CDECL set_show_dot_files( BOOL enable ) { show_dot_files = enable; } /****************************************************************************** * 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 ) { static UNICODE_STRING empty_string; struct object_attributes *objattr; OBJECT_ATTRIBUTES unix_attr = *attr; NTSTATUS status; data_size_t len; unix_attr.ObjectName = &empty_string; /* we send the unix name instead */ if ((status = alloc_object_attributes( &unix_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 ) { char *unix_name; BOOL created = FALSE; 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 ); if (!attr || !attr->ObjectName) return STATUS_INVALID_PARAMETER; if (alloc_size) FIXME( "alloc_size not supported\n" ); if (options & FILE_OPEN_BY_FILE_ID) io->u.Status = file_id_to_unix_file_name( attr, &unix_name ); else io->u.Status = nt_to_unix_file_name_attr( attr, &unix_name, disposition ); if (io->u.Status == STATUS_BAD_DEVICE_TYPE) { 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 ); io->u.Status = wine_server_call( req ); *handle = wine_server_ptr_handle( reply->handle ); } SERVER_END_REQ; if (io->u.Status == STATUS_SUCCESS) io->Information = FILE_OPENED; return io->u.Status; } if (io->u.Status == STATUS_NO_SUCH_FILE && disposition != FILE_OPEN && disposition != FILE_OVERWRITE) { created = TRUE; io->u.Status = STATUS_SUCCESS; } if (io->u.Status == STATUS_SUCCESS) { io->u.Status = open_unix_file( handle, unix_name, access, attr, attributes, sharing, disposition, options, ea_buffer, ea_length ); RtlFreeHeap( GetProcessHeap(), 0, unix_name ); } else WARN( "%s not found (%x)\n", debugstr_us(attr->ObjectName), io->u.Status ); if (io->u.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 (io->u.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" ); } return io->u.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 ); if (!handle) return STATUS_ACCESS_VIOLATION; 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; 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; IO_STATUS_BLOCK io; status = NtCreateFile( &handle, GENERIC_READ | GENERIC_WRITE | DELETE, attr, &io, NULL, 0, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, FILE_OPEN, FILE_DELETE_ON_CLOSE, NULL, 0 ); if (status == STATUS_SUCCESS) NtClose( handle ); return status; } /****************************************************************************** * NtQueryFullAttributesFile (NTDLL.@) */ NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_NETWORK_OPEN_INFORMATION *info ) { char *unix_name; NTSTATUS status; if (!(status = nt_to_unix_file_name_attr( 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; } RtlFreeHeap( GetProcessHeap(), 0, unix_name ); } else WARN( "%s not found (%x)\n", debugstr_us(attr->ObjectName), status ); return status; } /****************************************************************************** * NtQueryAttributesFile (NTDLL.@) */ NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info ) { char *unix_name; NTSTATUS status; if (!(status = nt_to_unix_file_name_attr( 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; } RtlFreeHeap( GetProcessHeap(), 0, unix_name ); } else WARN( "%s not found (%x)\n", debugstr_us(attr->ObjectName), status ); 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; 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 ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, &options ))) { if (io->u.Status != STATUS_BAD_DEVICE_TYPE) return io->u.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) io->u.Status = errno_to_status( errno ); else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode)) io->u.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) io->u.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) io->u.Status = errno_to_status( errno ); else info->CurrentByteOffset.QuadPart = res; } break; case FileInternalInformation: if (fd_get_file_info( fd, options, &st, &attr ) == -1) io->u.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) io->u.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) io->u.Status = errno_to_status( errno ); else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode)) io->u.Status = STATUS_INVALID_INFO_CLASS; else if (!(io->u.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 */ io->u.Status = fill_name_info( unix_name, &info->NameInformation, &name_len ); RtlFreeHeap( GetProcessHeap(), 0, 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; io->u.Status = wine_server_call( req ); if( io->u.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 (!io->u.Status) { char *tmpbuf; ULONG size = info->MaximumMessageSize ? info->MaximumMessageSize : 0x10000; if (size > 0x10000) size = 0x10000; if ((tmpbuf = RtlAllocateHeap( GetProcessHeap(), 0, 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 ); } RtlFreeHeap( GetProcessHeap(), 0, tmpbuf ); } } } break; case FileNameInformation: { FILE_NAME_INFORMATION *info = ptr; char *unix_name; if (!(io->u.Status = server_get_unix_name( handle, &unix_name ))) { LONG name_len = len - FIELD_OFFSET(FILE_NAME_INFORMATION, FileName); io->u.Status = fill_name_info( unix_name, info, &name_len ); RtlFreeHeap( GetProcessHeap(), 0, 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 (!(io->u.Status = server_get_unix_name( handle, &unix_name ))) { ULONG attributes; struct stat st; if (get_file_info( unix_name, &st, &attributes ) == -1) io->u.Status = errno_to_status( errno ); else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode)) io->u.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; } RtlFreeHeap( GetProcessHeap(), 0, unix_name ); } } break; case FileIdInformation: if (fd_get_file_info( fd, options, &st, &attr ) == -1) io->u.Status = errno_to_status( errno ); else { struct mountmgr_unix_drive drive; FILE_ID_INFORMATION *info = ptr; info->VolumeSerialNumber = 0; if (!(io->u.Status = 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) io->u.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); io->u.Status = STATUS_NOT_IMPLEMENTED; break; } if (needs_close) close( fd ); if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class]; return io->u.Status; } /****************************************************************************** * NtSetInformationFile (NTDLL.@) */ NTSTATUS WINAPI NtSetInformationFile( HANDLE handle, IO_STATUS_BLOCK *io, void *ptr, ULONG len, FILE_INFORMATION_CLASS class ) { int fd, needs_close; TRACE( "(%p,%p,%p,0x%08x,0x%08x)\n", handle, io, ptr, len, class ); io->u.Status = STATUS_SUCCESS; switch (class) { case FileBasicInformation: if (len >= sizeof(FILE_BASIC_INFORMATION)) { struct stat st; const FILE_BASIC_INFORMATION *info = ptr; LARGE_INTEGER mtime, atime; if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL ))) return io->u.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) io->u.Status = set_file_times( fd, &mtime, &atime ); if (io->u.Status == STATUS_SUCCESS && info->FileAttributes) { if (fstat( fd, &st ) == -1) io->u.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) io->u.Status = errno_to_status( errno ); } } if (needs_close) close( fd ); } else io->u.Status = STATUS_INVALID_PARAMETER_3; break; case FilePositionInformation: if (len >= sizeof(FILE_POSITION_INFORMATION)) { const FILE_POSITION_INFORMATION *info = ptr; if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL ))) return io->u.Status; if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1) io->u.Status = errno_to_status( errno ); if (needs_close) close( fd ); } else io->u.Status = STATUS_INVALID_PARAMETER_3; break; case FileEndOfFileInformation: if (len >= sizeof(FILE_END_OF_FILE_INFORMATION)) { struct stat st; const FILE_END_OF_FILE_INFORMATION *info = ptr; if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL ))) return io->u.Status; /* first try normal truncate */ if (ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break; /* now check for the need to extend the file */ if (fstat( fd, &st ) != -1 && (off_t)info->EndOfFile.QuadPart > st.st_size) { static const char zero; /* extend the file one byte beyond the requested size and then truncate it */ /* this should work around ftruncate implementations that can't extend files */ if (pwrite( fd, &zero, 1, (off_t)info->EndOfFile.QuadPart ) != -1 && ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break; } io->u.Status = errno_to_status( errno ); if (needs_close) close( fd ); } else io->u.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) { io->u.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); io->u.Status = wine_server_call( req ); } SERVER_END_REQ; } else io->u.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; io->u.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; io->u.Status = wine_server_call( req ); } SERVER_END_REQ; } else io->u.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; io->u.Status = wine_server_call( req ); } SERVER_END_REQ; } else io->u.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 io->u.Status = STATUS_INVALID_PARAMETER; } else io->u.Status = STATUS_INFO_LENGTH_MISMATCH; break; case FileAllInformation: io->u.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 ((io->u.Status = server_get_unix_fd( handle, FILE_WRITE_DATA, &fd, &needs_close, NULL, NULL ))) return io->u.Status; if (fstat( fd, &st ) == -1) io->u.Status = errno_to_status( errno ); else if (info->ValidDataLength.QuadPart <= 0 || (off_t)info->ValidDataLength.QuadPart > st.st_size) io->u.Status = STATUS_INVALID_PARAMETER; else { #ifdef HAVE_FALLOCATE if (fallocate( fd, 0, 0, (off_t)info->ValidDataLength.QuadPart ) == -1) { NTSTATUS status = errno_to_status( errno ); if (status == STATUS_NOT_SUPPORTED) WARN( "fallocate not supported on this filesystem\n" ); else io->u.Status = status; } #else FIXME( "setting valid data length not supported\n" ); #endif } if (needs_close) close( fd ); } else io->u.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; io->u.Status = wine_server_call( req ); } SERVER_END_REQ; } else io->u.Status = STATUS_INVALID_PARAMETER_3; break; case FileRenameInformation: if (len >= sizeof(FILE_RENAME_INFORMATION)) { FILE_RENAME_INFORMATION *info = ptr; UNICODE_STRING name_str; OBJECT_ATTRIBUTES attr; char *unix_name; name_str.Buffer = info->FileName; name_str.Length = info->FileNameLength; name_str.MaximumLength = info->FileNameLength + sizeof(WCHAR); attr.Length = sizeof(attr); attr.ObjectName = &name_str; attr.RootDirectory = info->RootDirectory; attr.Attributes = OBJ_CASE_INSENSITIVE; io->u.Status = nt_to_unix_file_name_attr( &attr, &unix_name, FILE_OPEN_IF ); if (io->u.Status != STATUS_SUCCESS && io->u.Status != STATUS_NO_SUCH_FILE) break; SERVER_START_REQ( set_fd_name_info ) { req->handle = wine_server_obj_handle( handle ); req->rootdir = wine_server_obj_handle( attr.RootDirectory ); req->link = FALSE; req->replace = info->ReplaceIfExists; wine_server_add_data( req, unix_name, strlen(unix_name) ); io->u.Status = wine_server_call( req ); } SERVER_END_REQ; RtlFreeHeap( GetProcessHeap(), 0, unix_name ); } else io->u.Status = STATUS_INVALID_PARAMETER_3; break; case FileLinkInformation: if (len >= sizeof(FILE_LINK_INFORMATION)) { FILE_LINK_INFORMATION *info = ptr; UNICODE_STRING name_str; OBJECT_ATTRIBUTES attr; char *unix_name; name_str.Buffer = info->FileName; name_str.Length = info->FileNameLength; name_str.MaximumLength = info->FileNameLength + sizeof(WCHAR); attr.Length = sizeof(attr); attr.ObjectName = &name_str; attr.RootDirectory = info->RootDirectory; attr.Attributes = OBJ_CASE_INSENSITIVE; io->u.Status = nt_to_unix_file_name_attr( &attr, &unix_name, FILE_OPEN_IF ); if (io->u.Status != STATUS_SUCCESS && io->u.Status != STATUS_NO_SUCH_FILE) break; SERVER_START_REQ( set_fd_name_info ) { req->handle = wine_server_obj_handle( handle ); req->rootdir = wine_server_obj_handle( attr.RootDirectory ); req->link = TRUE; req->replace = info->ReplaceIfExists; wine_server_add_data( req, unix_name, strlen(unix_name) ); io->u.Status = wine_server_call( req ); } SERVER_END_REQ; RtlFreeHeap( GetProcessHeap(), 0, unix_name ); } else io->u.Status = STATUS_INVALID_PARAMETER_3; break; default: FIXME("Unsupported class (%d)\n", class); io->u.Status = STATUS_NOT_IMPLEMENTED; break; } io->Information = 0; return io->u.Status; } /*********************************************************************** * Asynchronous file I/O * */ typedef NTSTATUS async_callback_t( void *user, IO_STATUS_BLOCK *io, NTSTATUS status ); struct async_fileio { async_callback_t *callback; /* must be the first field */ struct async_fileio *next; HANDLE handle; }; 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; static 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; } } static 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; } static async_data_t server_async( HANDLE handle, struct async_fileio *user, HANDLE event, PIO_APC_ROUTINE apc, void *apc_context, IO_STATUS_BLOCK *io ) { async_data_t async; async.handle = wine_server_obj_handle( handle ); async.user = wine_server_client_ptr( user ); async.iosb = wine_server_client_ptr( io ); async.event = wine_server_obj_handle( event ); async.apc = wine_server_client_ptr( apc ); async.apc_context = wine_server_client_ptr( apc_context ); return async; } static NTSTATUS wait_async( HANDLE handle, BOOL alertable, IO_STATUS_BLOCK *io ) { if (NtWaitForSingleObject( handle, alertable, NULL )) return STATUS_PENDING; return io->u.Status; } /* callback for irp async I/O completion */ static NTSTATUS irp_completion( void *user, IO_STATUS_BLOCK *io, NTSTATUS status ) { struct async_irp *async = user; ULONG information = 0; 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 ); information = reply->size; } SERVER_END_REQ; } if (status != STATUS_PENDING) { io->u.Status = status; io->Information = information; release_fileio( &async->io ); } return status; } static NTSTATUS async_read_proc( void *user, IO_STATUS_BLOCK *iosb, 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) status = STATUS_PENDING; else /* 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) status = STATUS_SUCCESS; else status = STATUS_PENDING; } break; case STATUS_TIMEOUT: case STATUS_IO_TIMEOUT: if (fileio->already) status = STATUS_SUCCESS; break; } if (status != STATUS_PENDING) { iosb->u.Status = status; iosb->Information = fileio->already; release_fileio( &fileio->io ); } return status; } static NTSTATUS async_write_proc( void *user, IO_STATUS_BLOCK *iosb, 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) status = STATUS_PENDING; else status = errno_to_status( errno ); } else { fileio->already += result; status = (fileio->already < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS; } break; case STATUS_TIMEOUT: case STATUS_IO_TIMEOUT: if (fileio->already) status = STATUS_SUCCESS; break; } if (status != STATUS_PENDING) { iosb->u.Status = status; iosb->Information = fileio->already; release_fileio( &fileio->io ); } return status; } /* 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, 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), io ); 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, 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), io ); 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, 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) FIXME("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), io ); 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; 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; 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, IO_STATUS_BLOCK *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; } static 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; 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, io, 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, io, 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, (ULONG_PTR)io, 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; 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, (ULONG_PTR)io, 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; 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, io ); 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, (ULONG_PTR)io, 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; 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, (ULONG_PTR)io, 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_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, 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, io ); } if (needs_close) close( fd ); return ret; } static NTSTATUS read_changes_apc( void *user, IO_STATUS_BLOCK *iosb, 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; } } if (status != STATUS_PENDING) { iosb->u.Status = status; iosb->Information = size; release_fileio( &fileio->io ); } return status; } #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 ); 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; } #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 # include 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; io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL ); if (io->u.Status == STATUS_BAD_DEVICE_TYPE) { SERVER_START_REQ( get_volume_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 ); if (!io->u.Status) io->Information = wine_server_reply_size( reply ); } SERVER_END_REQ; return io->u.Status; } else if (io->u.Status) return io->u.Status; io->u.Status = STATUS_NOT_IMPLEMENTED; io->Information = 0; switch( info_class ) { case FileFsLabelInformation: FIXME( "%p: label info not supported\n", handle ); break; case FileFsSizeInformation: if (length < sizeof(FILE_FS_SIZE_INFORMATION)) io->u.Status = STATUS_BUFFER_TOO_SMALL; else { FILE_FS_SIZE_INFORMATION *info = buffer; if (fstat( fd, &st ) < 0) { io->u.Status = errno_to_status( errno ); break; } if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode)) { io->u.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) { io->u.Status = errno_to_status( errno ); break; } bsize = stfs.f_frsize; #else struct statfs stfs; if (fstatfs( fd, &stfs ) < 0) { io->u.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); io->u.Status = STATUS_SUCCESS; } } break; case FileFsDeviceInformation: if (length < sizeof(FILE_FS_DEVICE_INFORMATION)) io->u.Status = STATUS_BUFFER_TOO_SMALL; else { FILE_FS_DEVICE_INFORMATION *info = buffer; if ((io->u.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)) { io->u.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" )) fs_type = MOUNTMGR_FS_TYPE_FAT32; #endif } } switch (fs_type) { case MOUNTMGR_FS_TYPE_ISO9660: info->FileSystemAttributes = FILE_READ_ONLY_VOLUME; info->MaximumComponentNameLength = 221; info->FileSystemNameLength = min( sizeof(cdfsW), length - offsetof( FILE_FS_ATTRIBUTE_INFORMATION, FileSystemName ) ); memcpy(info->FileSystemName, cdfsW, info->FileSystemNameLength); break; case MOUNTMGR_FS_TYPE_UDF: info->FileSystemAttributes = FILE_READ_ONLY_VOLUME | FILE_UNICODE_ON_DISK | FILE_CASE_SENSITIVE_SEARCH; info->MaximumComponentNameLength = 255; info->FileSystemNameLength = min( sizeof(udfW), length - offsetof( FILE_FS_ATTRIBUTE_INFORMATION, FileSystemName ) ); memcpy(info->FileSystemName, udfW, info->FileSystemNameLength); break; case MOUNTMGR_FS_TYPE_FAT: info->FileSystemAttributes = FILE_CASE_PRESERVED_NAMES; /* FIXME */ info->MaximumComponentNameLength = 255; info->FileSystemNameLength = min( sizeof(fatW), length - offsetof( FILE_FS_ATTRIBUTE_INFORMATION, FileSystemName ) ); memcpy(info->FileSystemName, fatW, info->FileSystemNameLength); break; case MOUNTMGR_FS_TYPE_FAT32: info->FileSystemAttributes = FILE_CASE_PRESERVED_NAMES; /* FIXME */ info->MaximumComponentNameLength = 255; info->FileSystemNameLength = min( sizeof(fat32W), length - offsetof( FILE_FS_ATTRIBUTE_INFORMATION, FileSystemName ) ); memcpy(info->FileSystemName, fat32W, info->FileSystemNameLength); break; default: info->FileSystemAttributes = FILE_CASE_PRESERVED_NAMES | FILE_PERSISTENT_ACLS; info->MaximumComponentNameLength = 255; info->FileSystemNameLength = min( sizeof(ntfsW), length - offsetof( FILE_FS_ATTRIBUTE_INFORMATION, FileSystemName ) ); memcpy(info->FileSystemName, ntfsW, info->FileSystemNameLength); break; } io->Information = offsetof( FILE_FS_ATTRIBUTE_INFORMATION, FileSystemName ) + info->FileSystemNameLength; io->u.Status = STATUS_SUCCESS; break; } case 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)) { io->u.Status = STATUS_INFO_LENGTH_MISMATCH; break; } if (get_mountmgr_fs_info( handle, fd, drive, sizeof(data) )) { io->u.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; io->u.Status = STATUS_SUCCESS; break; } case FileFsControlInformation: FIXME( "%p: control info not supported\n", handle ); break; case FileFsFullSizeInformation: FIXME( "%p: full size info not supported\n", handle ); break; case FileFsObjectIdInformation: FIXME( "%p: object id info not supported\n", handle ); break; case FileFsMaximumInformation: FIXME( "%p: maximum info not supported\n", handle ); break; default: io->u.Status = STATUS_INVALID_PARAMETER; break; } if (needs_close) close( fd ); return io->u.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; } /************************************************************************** * NtQueryObject */ 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_INVALID_BUFFER_SIZE; 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; RtlFreeHeap( GetProcessHeap(), 0, nt_name ); } RtlFreeHeap( GetProcessHeap(), 0, unix_name ); break; } else if (status != STATUS_OBJECT_TYPE_MISMATCH) break; /* not a file, treat as a generic object */ SERVER_START_REQ( get_object_info ) { 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; SERVER_START_REQ( get_object_type ) { 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->TypeName.Buffer = (WCHAR *)(p + 1); p->TypeName.Length = res; p->TypeName.MaximumLength = res + sizeof(WCHAR); p->TypeName.Buffer[res / sizeof(WCHAR)] = 0; if (used_len) *used_len = sizeof(*p) + p->TypeName.MaximumLength; } } } SERVER_END_REQ; 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 */ 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; }