| /* |
| * NTDLL directory 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 |
| */ |
| |
| #include "config.h" |
| #include "wine/port.h" |
| |
| #include <assert.h> |
| #include <sys/types.h> |
| #ifdef HAVE_DIRENT_H |
| # include <dirent.h> |
| #endif |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <stdarg.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <limits.h> |
| #ifdef HAVE_MNTENT_H |
| #include <mntent.h> |
| #endif |
| #ifdef HAVE_SYS_STAT_H |
| # include <sys/stat.h> |
| #endif |
| #ifdef HAVE_SYS_SYSCALL_H |
| # include <sys/syscall.h> |
| #endif |
| #ifdef HAVE_SYS_ATTR_H |
| #include <sys/attr.h> |
| #endif |
| #ifdef MAJOR_IN_MKDEV |
| # include <sys/mkdev.h> |
| #elif defined(MAJOR_IN_SYSMACROS) |
| # include <sys/sysmacros.h> |
| #endif |
| #ifdef HAVE_SYS_VNODE_H |
| # ifdef HAVE_STDINT_H |
| # include <stdint.h> /* needed for kfreebsd */ |
| # endif |
| /* Work around a conflict with Solaris' system list defined in sys/list.h. */ |
| #define list SYSLIST |
| #define list_next SYSLIST_NEXT |
| #define list_prev SYSLIST_PREV |
| #define list_head SYSLIST_HEAD |
| #define list_tail SYSLIST_TAIL |
| #define list_move_tail SYSLIST_MOVE_TAIL |
| #define list_remove SYSLIST_REMOVE |
| #include <sys/vnode.h> |
| #undef list |
| #undef list_next |
| #undef list_prev |
| #undef list_head |
| #undef list_tail |
| #undef list_move_tail |
| #undef list_remove |
| #endif |
| #ifdef HAVE_SYS_IOCTL_H |
| #include <sys/ioctl.h> |
| #endif |
| #ifdef HAVE_LINUX_IOCTL_H |
| #include <linux/ioctl.h> |
| #endif |
| #ifdef HAVE_LINUX_MAJOR_H |
| # include <linux/major.h> |
| #endif |
| #ifdef HAVE_SYS_PARAM_H |
| #include <sys/param.h> |
| #endif |
| #ifdef HAVE_SYS_MOUNT_H |
| #include <sys/mount.h> |
| #endif |
| #ifdef HAVE_SYS_STATFS_H |
| #include <sys/statfs.h> |
| #endif |
| #include <time.h> |
| #ifdef HAVE_UNISTD_H |
| # include <unistd.h> |
| #endif |
| |
| #include "ntstatus.h" |
| #define WIN32_NO_STATUS |
| #define NONAMELESSUNION |
| #include "windef.h" |
| #include "winnt.h" |
| #include "winternl.h" |
| #include "ddk/wdm.h" |
| #include "ntdll_misc.h" |
| #include "wine/unicode.h" |
| #include "wine/server.h" |
| #include "wine/list.h" |
| #include "wine/library.h" |
| #include "wine/debug.h" |
| #include "wine/exception.h" |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(file); |
| |
| /* just in case... */ |
| #undef VFAT_IOCTL_READDIR_BOTH |
| |
| #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] ) |
| |
| #ifndef O_DIRECTORY |
| # define O_DIRECTORY 0200000 /* must be directory */ |
| #endif |
| |
| #endif /* linux */ |
| |
| #define IS_OPTION_TRUE(ch) ((ch) == 'y' || (ch) == 'Y' || (ch) == 't' || (ch) == 'T' || (ch) == '1') |
| #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 RTL_RUN_ONCE init_once = RTL_RUN_ONCE_INIT; |
| |
| /* at some point we may want to allow Winelib apps to set this */ |
| static const BOOL is_case_sensitive = FALSE; |
| |
| UNICODE_STRING system_dir = { 0, 0, NULL }; /* system directory */ |
| |
| static struct file_identity windir; |
| |
| static RTL_CRITICAL_SECTION dir_section; |
| static RTL_CRITICAL_SECTION_DEBUG critsect_debug = |
| { |
| 0, 0, &dir_section, |
| { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList }, |
| 0, 0, { (DWORD_PTR)(__FILE__ ": dir_section") } |
| }; |
| static RTL_CRITICAL_SECTION dir_section = { &critsect_debug, -1, 0, 0, 0, 0 }; |
| |
| |
| /* 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 strchrW( 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 ) |
| { |
| return (!mask || |
| memchrW( mask->Buffer, '*', mask->Length / sizeof(WCHAR) ) || |
| memchrW( mask->Buffer, '?', mask->Length / sizeof(WCHAR) )); |
| } |
| |
| /* 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, (strlenW( name ) + 1) * sizeof(WCHAR) ); |
| if (ptr) strcpyW( 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 dir_section. |
| */ |
| 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 |
| |
| /*********************************************************************** |
| * DIR_get_drives_info |
| * |
| * Retrieve device/inode number for all the drives. Helper for find_drive_root. |
| */ |
| unsigned int DIR_get_drives_info( struct drive_info info[MAX_DOS_DRIVES] ) |
| { |
| static struct drive_info cache[MAX_DOS_DRIVES]; |
| static time_t last_update; |
| static unsigned int nb_drives; |
| unsigned int ret; |
| time_t now = time(NULL); |
| |
| RtlEnterCriticalSection( &dir_section ); |
| if (now != last_update) |
| { |
| const char *config_dir = wine_get_config_dir(); |
| 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; |
| RtlLeaveCriticalSection( &dir_section ); |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * parse_mount_entries |
| * |
| * Parse mount entries looking for a given device. Helper for get_default_drive_device. |
| */ |
| |
| #ifdef sun |
| #include <sys/vfstab.h> |
| static char *parse_vfstab_entries( FILE *f, dev_t dev, ino_t ino) |
| { |
| struct vfstab entry; |
| struct stat st; |
| char *device; |
| |
| while (! getvfsent( f, &entry )) |
| { |
| /* don't even bother stat'ing network mounts, there's no meaningful device anyway */ |
| if (!strcmp( entry.vfs_fstype, "nfs" ) || |
| !strcmp( entry.vfs_fstype, "smbfs" ) || |
| !strcmp( entry.vfs_fstype, "ncpfs" )) continue; |
| |
| if (stat( entry.vfs_mountp, &st ) == -1) continue; |
| if (st.st_dev != dev || st.st_ino != ino) continue; |
| if (!strcmp( entry.vfs_fstype, "fd" )) |
| { |
| if ((device = strstr( entry.vfs_mntopts, "dev=" ))) |
| { |
| char *p = strchr( device + 4, ',' ); |
| if (p) *p = 0; |
| return device + 4; |
| } |
| } |
| else |
| return entry.vfs_special; |
| } |
| return NULL; |
| } |
| #endif |
| |
| #ifdef linux |
| static char *parse_mount_entries( FILE *f, dev_t dev, ino_t ino ) |
| { |
| struct mntent *entry; |
| struct stat st; |
| char *device; |
| |
| while ((entry = getmntent( f ))) |
| { |
| /* don't even bother stat'ing network mounts, there's no meaningful device anyway */ |
| if (!strcmp( entry->mnt_type, "nfs" ) || |
| !strcmp( entry->mnt_type, "cifs" ) || |
| !strcmp( entry->mnt_type, "smbfs" ) || |
| !strcmp( entry->mnt_type, "ncpfs" )) continue; |
| |
| if (stat( entry->mnt_dir, &st ) == -1) continue; |
| if (st.st_dev != dev || st.st_ino != ino) continue; |
| if (!strcmp( entry->mnt_type, "supermount" )) |
| { |
| if ((device = strstr( entry->mnt_opts, "dev=" ))) |
| { |
| char *p = strchr( device + 4, ',' ); |
| if (p) *p = 0; |
| return device + 4; |
| } |
| } |
| else if (!stat( entry->mnt_fsname, &st ) && S_ISREG(st.st_mode)) |
| { |
| /* if device is a regular file check for a loop mount */ |
| if ((device = strstr( entry->mnt_opts, "loop=" ))) |
| { |
| char *p = strchr( device + 5, ',' ); |
| if (p) *p = 0; |
| return device + 5; |
| } |
| } |
| else |
| return entry->mnt_fsname; |
| } |
| return NULL; |
| } |
| #endif |
| |
| #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) |
| #include <fstab.h> |
| static char *parse_mount_entries( FILE *f, dev_t dev, ino_t ino ) |
| { |
| struct fstab *entry; |
| struct stat st; |
| |
| while ((entry = getfsent())) |
| { |
| /* don't even bother stat'ing network mounts, there's no meaningful device anyway */ |
| if (!strcmp( entry->fs_vfstype, "nfs" ) || |
| !strcmp( entry->fs_vfstype, "smbfs" ) || |
| !strcmp( entry->fs_vfstype, "ncpfs" )) continue; |
| |
| if (stat( entry->fs_file, &st ) == -1) continue; |
| if (st.st_dev != dev || st.st_ino != ino) continue; |
| return entry->fs_spec; |
| } |
| return NULL; |
| } |
| #endif |
| |
| #ifdef sun |
| #include <sys/mnttab.h> |
| static char *parse_mount_entries( FILE *f, dev_t dev, ino_t ino ) |
| { |
| struct mnttab entry; |
| struct stat st; |
| char *device; |
| |
| |
| while (( ! getmntent( f, &entry) )) |
| { |
| /* don't even bother stat'ing network mounts, there's no meaningful device anyway */ |
| if (!strcmp( entry.mnt_fstype, "nfs" ) || |
| !strcmp( entry.mnt_fstype, "smbfs" ) || |
| !strcmp( entry.mnt_fstype, "ncpfs" )) continue; |
| |
| if (stat( entry.mnt_mountp, &st ) == -1) continue; |
| if (st.st_dev != dev || st.st_ino != ino) continue; |
| if (!strcmp( entry.mnt_fstype, "fd" )) |
| { |
| if ((device = strstr( entry.mnt_mntopts, "dev=" ))) |
| { |
| char *p = strchr( device + 4, ',' ); |
| if (p) *p = 0; |
| return device + 4; |
| } |
| } |
| else |
| return entry.mnt_special; |
| } |
| return NULL; |
| } |
| #endif |
| |
| /*********************************************************************** |
| * get_default_drive_device |
| * |
| * Return the default device to use for a given drive mount point. |
| */ |
| static char *get_default_drive_device( const char *root ) |
| { |
| char *ret = NULL; |
| |
| #ifdef linux |
| FILE *f; |
| char *device = NULL; |
| int fd, res = -1; |
| struct stat st; |
| |
| /* try to open it first to force it to get mounted */ |
| if ((fd = open( root, O_RDONLY | O_DIRECTORY )) != -1) |
| { |
| res = fstat( fd, &st ); |
| close( fd ); |
| } |
| /* now try normal stat just in case */ |
| if (res == -1) res = stat( root, &st ); |
| if (res == -1) return NULL; |
| |
| RtlEnterCriticalSection( &dir_section ); |
| |
| #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 ); |
| } |
| RtlLeaveCriticalSection( &dir_section ); |
| |
| #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; |
| |
| RtlEnterCriticalSection( &dir_section ); |
| |
| /* 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 ); |
| } |
| RtlLeaveCriticalSection( &dir_section ); |
| |
| #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; |
| |
| RtlEnterCriticalSection( &dir_section ); |
| |
| 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 ); |
| } |
| RtlLeaveCriticalSection( &dir_section ); |
| |
| #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; |
| |
| RtlEnterCriticalSection( &dir_section ); |
| |
| 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); |
| } |
| } |
| } |
| RtlLeaveCriticalSection( &dir_section ); |
| #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; |
| |
| RtlEnterCriticalSection( &dir_section ); |
| |
| #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 ); |
| } |
| RtlLeaveCriticalSection( &dir_section ); |
| #elif defined(__APPLE__) |
| struct statfs *entry; |
| struct stat st; |
| int i, size; |
| |
| RtlEnterCriticalSection( &dir_section ); |
| |
| 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; |
| } |
| } |
| RtlLeaveCriticalSection( &dir_section ); |
| #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 < sizeof(fs_cache)/sizeof(fs_cache[0]); 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 < sizeof(fs_cache)/sizeof(fs_cache[0]); 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 statfs(2) or statvfs(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 <xnu-source>/bsd/vfs/vfs_syscalls.c). |
| */ |
| if (!strcmp( stfs.f_fstypename, "hfs" ) && (stfs.f_reserved1 == 0 || |
| stfs.f_reserved1 == 1 || |
| stfs.f_reserved1 == 128)) |
| return FALSE; |
| #endif |
| #endif |
| return TRUE; |
| |
| #elif defined(__NetBSD__) |
| struct statvfs stfs; |
| |
| if (statvfs( dir, &stfs ) == -1) return 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__) |
| struct statfs stfs; |
| struct stat st; |
| char *cifile; |
| |
| /* Only assume CIOPFS is case insensitive. */ |
| if (statfs( dir, &stfs ) == -1) return FALSE; |
| if (stfs.f_type != 0x65735546 /* FUSE_SUPER_MAGIC */) |
| return TRUE; |
| /* Normally, we'd have to parse the mtab to find out exactly what |
| * kind of FUSE FS this is. But, someone on wine-devel suggested |
| * a shortcut. We'll stat a special file in the directory. If it's |
| * there, we'll assume it's a CIOPFS, else not. |
| * This will break if somebody puts a file named ".ciopfs" in a non- |
| * CIOPFS directory. |
| */ |
| cifile = RtlAllocateHeap( GetProcessHeap(), 0, strlen( dir )+sizeof("/.ciopfs") ); |
| if (!cifile) return TRUE; |
| strcpy( cifile, dir ); |
| strcat( cifile, "/.ciopfs" ); |
| if (stat( cifile, &st ) == 0) |
| { |
| RtlFreeHeap( GetProcessHeap(), 0, cifile ); |
| return FALSE; |
| } |
| RtlFreeHeap( GetProcessHeap(), 0, cifile ); |
| return TRUE; |
| #else |
| return TRUE; |
| #endif |
| } |
| |
| |
| /*********************************************************************** |
| * get_dir_case_sensitivity |
| * |
| * Checks if the volume containing the specified directory is case |
| * sensitive or not. Uses statfs(2) or statvfs(2). |
| */ |
| 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 ); |
| } |
| |
| |
| /*********************************************************************** |
| * init_options |
| * |
| * Initialize the show_dot_files options. |
| */ |
| static DWORD WINAPI init_options( RTL_RUN_ONCE *once, void *param, void **context ) |
| { |
| static const WCHAR WineW[] = {'S','o','f','t','w','a','r','e','\\','W','i','n','e',0}; |
| static const WCHAR ShowDotFilesW[] = {'S','h','o','w','D','o','t','F','i','l','e','s',0}; |
| char tmp[80]; |
| HANDLE root, hkey; |
| DWORD dummy; |
| OBJECT_ATTRIBUTES attr; |
| UNICODE_STRING nameW; |
| |
| RtlOpenCurrentUser( KEY_ALL_ACCESS, &root ); |
| attr.Length = sizeof(attr); |
| attr.RootDirectory = root; |
| attr.ObjectName = &nameW; |
| attr.Attributes = 0; |
| attr.SecurityDescriptor = NULL; |
| attr.SecurityQualityOfService = NULL; |
| RtlInitUnicodeString( &nameW, WineW ); |
| |
| /* @@ Wine registry key: HKCU\Software\Wine */ |
| if (!NtOpenKey( &hkey, KEY_ALL_ACCESS, &attr )) |
| { |
| RtlInitUnicodeString( &nameW, ShowDotFilesW ); |
| if (!NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation, tmp, sizeof(tmp), &dummy )) |
| { |
| WCHAR *str = (WCHAR *)((KEY_VALUE_PARTIAL_INFORMATION *)tmp)->Data; |
| show_dot_files = IS_OPTION_TRUE( str[0] ); |
| } |
| NtClose( hkey ); |
| } |
| NtClose( root ); |
| |
| /* a couple of directories that we don't want to return in directory searches */ |
| ignore_file( wine_get_config_dir() ); |
| ignore_file( "/dev" ); |
| ignore_file( "/proc" ); |
| #ifdef linux |
| ignore_file( "/sys" ); |
| #endif |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * DIR_is_hidden_file |
| * |
| * Check if the specified file should be hidden based on its name and the show dot files option. |
| */ |
| BOOL DIR_is_hidden_file( const UNICODE_STRING *name ) |
| { |
| WCHAR *p, *end; |
| |
| RtlRunOnceExecuteOnce( &init_once, init_options, NULL, NULL ); |
| |
| 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 a valid |
| * DOS name, it is converted to upper-case; otherwise 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 UNICODE_STRING *name, LPWSTR buffer ) |
| { |
| static const char hash_chars[32] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ012345"; |
| |
| LPCWSTR p, ext, end = name->Buffer + name->Length / sizeof(WCHAR); |
| 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->Buffer, hash = 0xbeef; p < end - 1; p++) |
| hash = (hash<<3) ^ (hash>>5) ^ tolowerW(*p) ^ (tolowerW(p[1]) << 8); |
| hash = (hash<<3) ^ (hash>>5) ^ tolowerW(*p); /* Last character */ |
| } |
| else |
| { |
| for (p = name->Buffer, 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->Buffer + 1, ext = NULL; p < end - 1; p++) if (*p == '.') ext = p; |
| |
| /* Copy first 4 chars, replacing invalid chars with '_' */ |
| for (i = 4, p = name->Buffer, dst = buffer; i > 0; i--, p++) |
| { |
| if (p == end || p == ext) break; |
| *dst++ = is_invalid_dos_char(*p) ? '_' : toupperW(*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) ? '_' : toupperW(*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 UNICODE_STRING *name_str, const UNICODE_STRING *mask_str ) |
| { |
| BOOL mismatch; |
| const WCHAR *name = name_str->Buffer; |
| const WCHAR *mask = mask_str->Buffer; |
| const WCHAR *name_end = name + name_str->Length / sizeof(WCHAR); |
| 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 && (toupperW(*name) != toupperW(*mask))) name++; |
| next_to_retry = name; |
| break; |
| case '?': |
| mask++; |
| name++; |
| break; |
| default: |
| if (is_case_sensitive) mismatch = (*mask != *name); |
| else mismatch = (toupperW(*mask) != toupperW(*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); |
| } |
| |
| |
| /*********************************************************************** |
| * 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 i, long_len, short_len; |
| WCHAR long_nameW[MAX_DIR_ENTRY_LEN + 1]; |
| WCHAR short_nameW[13]; |
| UNICODE_STRING str; |
| |
| long_len = ntdll_umbstowcs( 0, long_name, strlen(long_name), long_nameW, MAX_DIR_ENTRY_LEN ); |
| if (long_len == -1) return TRUE; |
| long_nameW[long_len] = 0; |
| |
| str.Buffer = long_nameW; |
| str.Length = long_len * sizeof(WCHAR); |
| str.MaximumLength = sizeof(long_nameW); |
| |
| if (short_name) |
| { |
| short_len = ntdll_umbstowcs( 0, short_name, strlen(short_name), |
| short_nameW, sizeof(short_nameW) / sizeof(WCHAR) - 1 ); |
| if (short_len == -1) short_len = sizeof(short_nameW) / sizeof(WCHAR) - 1; |
| for (i = 0; i < short_len; i++) short_nameW[i] = toupperW( short_nameW[i] ); |
| } |
| else /* generate a short name if necessary */ |
| { |
| BOOLEAN spaces; |
| |
| short_len = 0; |
| if (!RtlIsNameLegalDOS8Dot3( &str, NULL, &spaces ) || spaces) |
| short_len = hash_short_file_name( &str, short_nameW ); |
| } |
| short_nameW[short_len] = 0; |
| |
| TRACE( "long %s short %s mask %s\n", |
| debugstr_w( long_nameW ), debugstr_w( short_nameW ), debugstr_us( mask )); |
| |
| if (mask && !match_filename( &str, mask )) |
| { |
| if (!short_len) return TRUE; /* no short name to match */ |
| str.Buffer = short_nameW; |
| str.Length = short_len * sizeof(WCHAR); |
| str.MaximumLength = sizeof(short_nameW); |
| if (!match_filename( &str, mask )) return TRUE; |
| } |
| |
| return add_dir_data_names( data, long_nameW, short_nameW, long_name ); |
| } |
| |
| |
| /*********************************************************************** |
| * 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 = strlenW( 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 = strlenW( 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 = strlenW( 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 |
| |
| /*********************************************************************** |
| * start_vfat_ioctl |
| * |
| * Wrapper for the VFAT ioctl to work around various kernel bugs. |
| * dir_section must be held by caller. |
| */ |
| static KERNEL_DIRENT *start_vfat_ioctl( int fd ) |
| { |
| static KERNEL_DIRENT *de; |
| int res; |
| |
| if (!de) |
| { |
| SIZE_T size = 2 * sizeof(*de) + page_size; |
| void *addr = NULL; |
| |
| if (NtAllocateVirtualMemory( GetCurrentProcess(), &addr, 1, &size, MEM_RESERVE, PAGE_READWRITE )) |
| return NULL; |
| /* commit only the size needed for the dir entries */ |
| /* this leaves an extra unaccessible page, which should make the kernel */ |
| /* fail with -EFAULT before it stomps all over our memory */ |
| de = addr; |
| size = 2 * sizeof(*de); |
| NtAllocateVirtualMemory( GetCurrentProcess(), &addr, 1, &size, MEM_COMMIT, PAGE_READWRITE ); |
| } |
| |
| /* set d_reclen to 65535 to work around an AFS kernel bug */ |
| de[0].d_reclen = 65535; |
| res = ioctl( fd, VFAT_IOCTL_READDIR_BOTH, (long)de ); |
| if (res == -1) |
| { |
| if (errno != ENOENT) return NULL; /* VFAT ioctl probably not supported */ |
| de[0].d_reclen = 0; /* eof */ |
| } |
| else if (!res && de[0].d_reclen == 65535) return NULL; /* AFS bug */ |
| |
| return de; |
| } |
| |
| |
| /*********************************************************************** |
| * 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; |
| size_t len; |
| KERNEL_DIRENT *de; |
| NTSTATUS status = STATUS_NO_MEMORY; |
| off_t old_pos = lseek( fd, 0, SEEK_CUR ); |
| |
| if (!(de = start_vfat_ioctl( fd ))) return STATUS_NOT_SUPPORTED; |
| |
| lseek( fd, 0, SEEK_SET ); |
| |
| if (!append_entry( data, ".", NULL, mask )) goto done; |
| if (!append_entry( data, "..", NULL, mask )) goto done; |
| |
| while (ioctl( fd, VFAT_IOCTL_READDIR_BOTH, (long)de ) != -1) |
| { |
| if (!de[0].d_reclen) break; /* eof */ |
| |
| /* make sure names are null-terminated to work around an x86-64 kernel bug */ |
| len = min( de[0].d_reclen, sizeof(de[0].d_name) - 1 ); |
| de[0].d_name[len] = 0; |
| len = min( de[1].d_reclen, sizeof(de[1].d_name) - 1 ); |
| de[1].d_name[len] = 0; |
| |
| if (!strcmp( de[0].d_name, "." ) || !strcmp( de[0].d_name, ".." )) continue; |
| 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; |
| } |
| 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 */ |
| int ret, used_default; |
| char unix_name[MAX_DIR_ENTRY_LEN * 3 + 1]; |
| |
| ret = ntdll_wcstoumbs( 0, mask->Buffer, mask->Length / sizeof(WCHAR), |
| unix_name, sizeof(unix_name) - 1, NULL, &used_default ); |
| if (ret > 0 && !used_default) |
| { |
| 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 = RtlCompareUnicodeStrings( file_a->long_name, strlenW(file_a->long_name), |
| file_b->long_name, strlenW(file_b->long_name), TRUE ); |
| if (!ret) ret = strcmpW( 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.@] |
| * ZwQueryDirectoryFile [NTDLL.@] |
| */ |
| NTSTATUS WINAPI NtQueryDirectoryFile( HANDLE handle, HANDLE event, |
| PIO_APC_ROUTINE apc_routine, PVOID apc_context, |
| PIO_STATUS_BLOCK io, |
| PVOID buffer, ULONG length, |
| FILE_INFORMATION_CLASS info_class, |
| BOOLEAN single_entry, |
| PUNICODE_STRING mask, |
| BOOLEAN restart_scan ) |
| { |
| int cwd, fd, needs_close; |
| 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, NULL, NULL )) != STATUS_SUCCESS) |
| return status; |
| |
| io->Information = 0; |
| |
| RtlRunOnceExecuteOnce( &init_once, init_options, NULL, NULL ); |
| |
| RtlEnterCriticalSection( &dir_section ); |
| |
| 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) 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 = FILE_GetNtStatus(); |
| |
| RtlLeaveCriticalSection( &dir_section ); |
| |
| 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]; |
| UNICODE_STRING str; |
| BOOLEAN spaces, is_name_8_dot_3; |
| DIR *dir; |
| struct dirent *de; |
| struct stat st; |
| int ret, used_default; |
| |
| /* try a shortcut for this directory */ |
| |
| unix_name[pos++] = '/'; |
| ret = ntdll_wcstoumbs( 0, name, length, unix_name + pos, MAX_DIR_ENTRY_LEN, |
| NULL, &used_default ); |
| /* if we used the default char, the Unix name won't round trip properly back to Unicode */ |
| /* so it cannot match the file we are looking for */ |
| if (ret >= 0 && !used_default) |
| { |
| 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 */ |
| |
| str.Buffer = (WCHAR *)name; |
| str.Length = length * sizeof(WCHAR); |
| str.MaximumLength = str.Length; |
| is_name_8_dot_3 = RtlIsNameLegalDOS8Dot3( &str, NULL, &spaces ) && !spaces; |
| #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; |
| |
| RtlEnterCriticalSection( &dir_section ); |
| if ((kde = start_vfat_ioctl( fd ))) |
| { |
| unix_name[pos - 1] = '/'; |
| while (kde[0].d_reclen) |
| { |
| /* make sure names are null-terminated to work around an x86-64 kernel bug */ |
| size_t len = min(kde[0].d_reclen, sizeof(kde[0].d_name) - 1 ); |
| kde[0].d_name[len] = 0; |
| len = min(kde[1].d_reclen, sizeof(kde[1].d_name) - 1 ); |
| kde[1].d_name[len] = 0; |
| |
| if (kde[1].d_name[0]) |
| { |
| ret = ntdll_umbstowcs( 0, kde[1].d_name, strlen(kde[1].d_name), |
| buffer, MAX_DIR_ENTRY_LEN ); |
| if (ret == length && !memicmpW( buffer, name, length)) |
| { |
| strcpy( unix_name + pos, kde[1].d_name ); |
| RtlLeaveCriticalSection( &dir_section ); |
| close( fd ); |
| goto success; |
| } |
| } |
| ret = ntdll_umbstowcs( 0, kde[0].d_name, strlen(kde[0].d_name), |
| buffer, MAX_DIR_ENTRY_LEN ); |
| if (ret == length && !memicmpW( buffer, name, length)) |
| { |
| strcpy( unix_name + pos, |
| kde[1].d_name[0] ? kde[1].d_name : kde[0].d_name ); |
| RtlLeaveCriticalSection( &dir_section ); |
| close( fd ); |
| goto success; |
| } |
| if (ioctl( fd, VFAT_IOCTL_READDIR_BOTH, (long)kde ) == -1) |
| { |
| RtlLeaveCriticalSection( &dir_section ); |
| close( fd ); |
| goto not_found; |
| } |
| } |
| } |
| RtlLeaveCriticalSection( &dir_section ); |
| 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 FILE_GetNtStatus(); |
| } |
| unix_name[pos - 1] = '/'; |
| str.Buffer = buffer; |
| str.MaximumLength = sizeof(buffer); |
| while ((de = readdir( dir ))) |
| { |
| ret = ntdll_umbstowcs( 0, de->d_name, strlen(de->d_name), buffer, MAX_DIR_ENTRY_LEN ); |
| if (ret == length && !memicmpW( buffer, name, length )) |
| { |
| strcpy( unix_name + pos, de->d_name ); |
| closedir( dir ); |
| goto success; |
| } |
| |
| if (!is_name_8_dot_3) continue; |
| |
| str.Length = ret * sizeof(WCHAR); |
| if (!RtlIsNameLegalDOS8Dot3( &str, NULL, &spaces ) || spaces) |
| { |
| WCHAR short_nameW[12]; |
| ret = hash_short_file_name( &str, short_nameW ); |
| if (ret == length && !memicmpW( 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 syswow64W[] = {'s','y','s','w','o','w','6','4',0}; |
| static const WCHAR sysnativeW[] = {'s','y','s','n','a','t','i','v','e',0}; |
| static const WCHAR regeditW[] = {'r','e','g','e','d','i','t','.','e','x','e',0}; |
| static const WCHAR wow_regeditW[] = {'s','y','s','w','o','w','6','4','\\','r','e','g','e','d','i','t','.','e','x','e',0}; |
| |
| static struct |
| { |
| const WCHAR *source; |
| const WCHAR *dos_target; |
| const char *unix_target; |
| } redirects[] = |
| { |
| { catrootW, NULL, NULL }, |
| { catroot2W, NULL, NULL }, |
| { driversstoreW, NULL, NULL }, |
| { driversetcW, NULL, NULL }, |
| { logfilesW, NULL, NULL }, |
| { spoolW, NULL, NULL }, |
| { system32W, syswow64W, NULL }, |
| { sysnativeW, system32W, NULL }, |
| { regeditW, wow_regeditW, NULL } |
| }; |
| |
| static unsigned int nb_redirects; |
| |
| |
| /*********************************************************************** |
| * get_redirect_target |
| * |
| * Find the target unix name for a redirected dir. |
| */ |
| static const char *get_redirect_target( const char *windows_dir, const WCHAR *name ) |
| { |
| int used_default, len, pos, win_len = strlen( windows_dir ); |
| char *unix_name, *unix_target = NULL; |
| NTSTATUS status; |
| |
| if (!(unix_name = RtlAllocateHeap( GetProcessHeap(), 0, win_len + MAX_DIR_ENTRY_LEN + 2 ))) |
| return NULL; |
| memcpy( unix_name, windows_dir, win_len ); |
| pos = win_len; |
| |
| while (*name) |
| { |
| const WCHAR *end, *next; |
| |
| for (end = name; *end; end++) if (IS_SEPARATOR(*end)) break; |
| for (next = end; *next; next++) if (!IS_SEPARATOR(*next)) break; |
| |
| status = find_file_in_dir( unix_name, pos, name, end - name, FALSE, NULL ); |
| if (status == STATUS_OBJECT_PATH_NOT_FOUND && !*next) /* not finding last element is ok */ |
| { |
| len = ntdll_wcstoumbs( 0, name, end - name, unix_name + pos + 1, |
| MAX_DIR_ENTRY_LEN - (pos - win_len), NULL, &used_default ); |
| if (len > 0 && !used_default) |
| { |
| unix_name[pos] = '/'; |
| pos += len + 1; |
| unix_name[pos] = 0; |
| break; |
| } |
| } |
| if (status) goto done; |
| pos += strlen( unix_name + pos ); |
| name = next; |
| } |
| |
| if ((unix_target = RtlAllocateHeap( GetProcessHeap(), 0, pos - win_len ))) |
| memcpy( unix_target, unix_name + win_len + 1, pos - win_len ); |
| |
| done: |
| RtlFreeHeap( GetProcessHeap(), 0, unix_name ); |
| return unix_target; |
| } |
| |
| |
| /*********************************************************************** |
| * init_redirects |
| */ |
| static void init_redirects(void) |
| { |
| UNICODE_STRING nt_name; |
| ANSI_STRING unix_name; |
| NTSTATUS status; |
| struct stat st; |
| unsigned int i; |
| |
| if (!RtlDosPathNameToNtPathName_U( user_shared_data->NtSystemRoot, &nt_name, NULL, NULL )) |
| { |
| ERR( "can't convert %s\n", debugstr_w(user_shared_data->NtSystemRoot) ); |
| return; |
| } |
| status = wine_nt_to_unix_file_name( &nt_name, &unix_name, FILE_OPEN_IF, FALSE ); |
| RtlFreeUnicodeString( &nt_name ); |
| if (status) |
| { |
| ERR( "cannot open %s (%x)\n", debugstr_w(user_shared_data->NtSystemRoot), status ); |
| return; |
| } |
| if (!stat( unix_name.Buffer, &st )) |
| { |
| windir.dev = st.st_dev; |
| windir.ino = st.st_ino; |
| nb_redirects = sizeof(redirects) / sizeof(redirects[0]); |
| for (i = 0; i < nb_redirects; i++) |
| { |
| if (!redirects[i].dos_target) continue; |
| redirects[i].unix_target = get_redirect_target( unix_name.Buffer, redirects[i].dos_target ); |
| TRACE( "%s -> %s\n", debugstr_w(redirects[i].source), redirects[i].unix_target ); |
| } |
| } |
| RtlFreeAnsiString( &unix_name ); |
| |
| } |
| |
| |
| /*********************************************************************** |
| * 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 && *redir) |
| { |
| if (IS_SEPARATOR(path[i])) |
| { |
| if (*redir++ != '\\') return 0; |
| while (i < len && IS_SEPARATOR(path[i])) i++; |
| continue; /* move on to next path component */ |
| } |
| else if (check_case) |
| { |
| if (path[i] != *redir) return 0; |
| } |
| else |
| { |
| if (tolowerW(path[i]) != tolowerW(*redir)) return 0; |
| } |
| i++; |
| redir++; |
| } |
| if (*redir) return 0; |
| if (i < len && !IS_SEPARATOR(path[i])) return 0; |
| while (i < len && IS_SEPARATOR(path[i])) i++; |
| return i; |
| } |
| |
| |
| /*********************************************************************** |
| * 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 |
| |
| /*********************************************************************** |
| * DIR_init_windows_dir |
| */ |
| void DIR_init_windows_dir( const WCHAR *win, const WCHAR *sys ) |
| { |
| /* FIXME: should probably store paths as NT file names */ |
| |
| RtlCreateUnicodeString( &system_dir, sys ); |
| |
| #ifndef _WIN64 |
| if (is_wow64) init_redirects(); |
| #endif |
| } |
| |
| |
| /****************************************************************************** |
| * get_dos_device |
| * |
| * Get the Unix path of a DOS device. |
| */ |
| static NTSTATUS get_dos_device( const WCHAR *name, UINT name_len, ANSI_STRING *unix_name_ret ) |
| { |
| const char *config_dir = wine_get_config_dir(); |
| 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] = (char)tolowerW(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->Buffer = unix_name; |
| unix_name_ret->Length = strlen(unix_name); |
| unix_name_ret->MaximumLength = unix_len; |
| 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 sizeof(nt_prefixW) / sizeof(WCHAR); |
| |
| if (name->Length >= sizeof(dosdev_prefixW) && |
| !memicmpW( name->Buffer, dosdev_prefixW, sizeof(dosdev_prefixW)/sizeof(WCHAR) )) |
| return sizeof(dosdev_prefixW) / sizeof(WCHAR); |
| |
| return 0; |
| } |
| |
| |
| /****************************************************************************** |
| * find_file_id |
| * |
| * Recursively search directories from the dir queue for a given inode. |
| */ |
| static NTSTATUS find_file_id( ANSI_STRING *unix_name, ULONGLONG file_id, dev_t dev ) |
| { |
| unsigned int pos; |
| DIR *dir; |
| struct dirent *de; |
| NTSTATUS status; |
| struct stat st; |
| |
| while (!(status = next_dir_in_queue( unix_name->Buffer ))) |
| { |
| if (!(dir = opendir( unix_name->Buffer ))) continue; |
| TRACE( "searching %s for %s\n", unix_name->Buffer, wine_dbgstr_longlong(file_id) ); |
| pos = strlen( unix_name->Buffer ); |
| if (pos + MAX_DIR_ENTRY_LEN >= unix_name->MaximumLength/sizeof(WCHAR)) |
| { |
| char *new = RtlReAllocateHeap( GetProcessHeap(), 0, unix_name->Buffer, |
| unix_name->MaximumLength * 2 ); |
| if (!new) |
| { |
| closedir( dir ); |
| return STATUS_NO_MEMORY; |
| } |
| unix_name->MaximumLength *= 2; |
| unix_name->Buffer = new; |
| } |
| unix_name->Buffer[pos++] = '/'; |
| while ((de = readdir( dir ))) |
| { |
| if (!strcmp( de->d_name, "." ) || !strcmp( de->d_name, ".." )) continue; |
| strcpy( unix_name->Buffer + pos, de->d_name ); |
| if (lstat( unix_name->Buffer, &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( unix_name->Buffer )) != 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. |
| */ |
| NTSTATUS file_id_to_unix_file_name( const OBJECT_ATTRIBUTES *attr, ANSI_STRING *unix_name ) |
| { |
| enum server_fd_type type; |
| int old_cwd, root_fd, needs_close; |
| 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) ); |
| |
| unix_name->MaximumLength = 2 * MAX_DIR_ENTRY_LEN + 4; |
| if (!(unix_name->Buffer = RtlAllocateHeap( GetProcessHeap(), 0, unix_name->MaximumLength ))) |
| return STATUS_NO_MEMORY; |
| strcpy( unix_name->Buffer, "." ); |
| |
| 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; |
| } |
| |
| RtlEnterCriticalSection( &dir_section ); |
| 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->Buffer, ".." ); |
| status = STATUS_SUCCESS; |
| } |
| else |
| { |
| status = add_dir_to_queue( "." ); |
| if (!status) |
| status = find_file_id( unix_name, file_id, root_st.st_dev ); |
| if (!status) /* get rid of "./" prefix */ |
| memmove( unix_name->Buffer, unix_name->Buffer + 2, strlen(unix_name->Buffer) - 1 ); |
| flush_dir_queue(); |
| } |
| if (fchdir( old_cwd ) == -1) chdir( "/" ); |
| } |
| else status = FILE_GetNtStatus(); |
| RtlLeaveCriticalSection( &dir_section ); |
| 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->Buffer) ); |
| unix_name->Length = strlen( unix_name->Buffer ); |
| } |
| else |
| { |
| TRACE( "%s not found in dir %p\n", wine_dbgstr_longlong(file_id), attr->RootDirectory ); |
| RtlFreeHeap( GetProcessHeap(), 0, unix_name->Buffer ); |
| } |
| 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, used_default, len; |
| struct stat st; |
| char *unix_name = *buffer; |
| const BOOL redirect = nb_redirects && ntdll_get_thread_data()->wow64_redir; |
| |
| /* try a shortcut first */ |
| |
| ret = ntdll_wcstoumbs( 0, name, name_len, unix_name + pos, unix_len - pos - 1, |
| NULL, &used_default ); |
| |
| while (name_len && IS_SEPARATOR(*name)) |
| { |
| name++; |
| name_len--; |
| } |
| |
| if (ret >= 0 && !used_default) /* if we used the default char the name didn't convert properly */ |
| { |
| char *p; |
| unix_name[pos + ret] = 0; |
| for (p = unix_name + pos ; *p; p++) if (*p == '\\') *p = '/'; |
| if (!redirect || (!strstr( unix_name, "/windows/") && strncmp( unix_name, "windows/", 8 ))) |
| { |
| if (!stat( unix_name, &st )) |
| { |
| /* creation fails with STATUS_ACCESS_DENIED for the root of the drive */ |
| if (disposition == FILE_CREATE) |
| return name_len ? STATUS_OBJECT_NAME_COLLISION : STATUS_ACCESS_DENIED; |
| 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( 0, name, end - name, unix_name + pos + 1, |
| MAX_DIR_ENTRY_LEN, NULL, &used_default ); |
| if (ret > 0 && !used_default) |
| { |
| 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 |
| */ |
| NTSTATUS nt_to_unix_file_name_attr( const OBJECT_ATTRIBUTES *attr, ANSI_STRING *unix_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; |
| BOOLEAN check_case = !(attr->Attributes & OBJ_CASE_INSENSITIVE); |
| |
| if (!attr->RootDirectory) /* without root dir fall back to normal lookup */ |
| return wine_nt_to_unix_file_name( attr->ObjectName, unix_name_ret, disposition, check_case ); |
| |
| 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 || strchrW( invalid_charsW, *p )) return STATUS_OBJECT_NAME_INVALID; |
| |
| unix_len = ntdll_wcstoumbs( 0, name, name_len, NULL, 0, NULL, NULL ); |
| unix_len += 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 |
| { |
| RtlEnterCriticalSection( &dir_section ); |
| if ((old_cwd = open( ".", O_RDONLY )) != -1 && fchdir( root_fd ) != -1) |
| { |
| status = lookup_unix_name( name, name_len, &unix_name, unix_len, 1, |
| disposition, check_case ); |
| if (fchdir( old_cwd ) == -1) chdir( "/" ); |
| } |
| else status = FILE_GetNtStatus(); |
| RtlLeaveCriticalSection( &dir_section ); |
| 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) ); |
| unix_name_ret->Buffer = unix_name; |
| unix_name_ret->Length = strlen(unix_name); |
| unix_name_ret->MaximumLength = unix_len; |
| } |
| 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 (NTDLL.@) Not a Windows API |
| * |
| * 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, ANSI_STRING *unix_name_ret, |
| UINT disposition, BOOLEAN check_case ) |
| { |
| static const WCHAR unixW[] = {'u','n','i','x'}; |
| static const WCHAR invalid_charsW[] = { INVALID_NT_CHARS, 0 }; |
| |
| NTSTATUS status = STATUS_SUCCESS; |
| const char *config_dir = wine_get_config_dir(); |
| const WCHAR *name, *p; |
| struct stat st; |
| char *unix_name; |
| int pos, ret, name_len, unix_len, prefix_len, used_default; |
| WCHAR prefix[MAX_DIR_ENTRY_LEN]; |
| 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++) |
| { |
| if (IS_SEPARATOR(name[pos])) break; |
| if (name[pos] < 32 || strchrW( invalid_charsW, name[pos] )) |
| return STATUS_OBJECT_NAME_INVALID; |
| } |
| 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 ); |
| |
| for (prefix_len = 0; prefix_len < pos; prefix_len++) |
| prefix[prefix_len] = tolowerW(name[prefix_len]); |
| |
| 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 || strchrW( invalid_charsW, *p )) return STATUS_OBJECT_NAME_INVALID; |
| } |
| |
| unix_len = ntdll_wcstoumbs( 0, prefix, prefix_len, NULL, 0, NULL, NULL ); |
| unix_len += ntdll_wcstoumbs( 0, name, name_len, NULL, 0, NULL, NULL ); |
| unix_len += 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( 0, prefix, prefix_len, unix_name + pos, unix_len - pos - 1, |
| NULL, &used_default ); |
| if (!ret || used_default) |
| { |
| 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->Buffer = unix_name; |
| unix_name_ret->Length = strlen(unix_name); |
| unix_name_ret->MaximumLength = unix_len; |
| } |
| else |
| { |
| TRACE( "%s not found in %s\n", debugstr_w(name), unix_name ); |
| RtlFreeHeap( GetProcessHeap(), 0, unix_name ); |
| } |
| return status; |
| } |
| |
| |
| /****************************************************************** |
| * RtlWow64EnableFsRedirection (NTDLL.@) |
| */ |
| NTSTATUS WINAPI RtlWow64EnableFsRedirection( BOOLEAN enable ) |
| { |
| if (!is_wow64) return STATUS_NOT_IMPLEMENTED; |
| ntdll_get_thread_data()->wow64_redir = enable; |
| return STATUS_SUCCESS; |
| } |
| |
| |
| /****************************************************************** |
| * RtlWow64EnableFsRedirectionEx (NTDLL.@) |
| */ |
| NTSTATUS WINAPI RtlWow64EnableFsRedirectionEx( ULONG disable, ULONG *old_value ) |
| { |
| if (!is_wow64) return STATUS_NOT_IMPLEMENTED; |
| |
| __TRY |
| { |
| *old_value = !ntdll_get_thread_data()->wow64_redir; |
| } |
| __EXCEPT_PAGE_FAULT |
| { |
| return STATUS_ACCESS_VIOLATION; |
| } |
| __ENDTRY |
| |
| ntdll_get_thread_data()->wow64_redir = !disable; |
| return STATUS_SUCCESS; |
| } |
| |
| |
| /****************************************************************** |
| * RtlDoesFileExists_U (NTDLL.@) |
| */ |
| BOOLEAN WINAPI RtlDoesFileExists_U(LPCWSTR file_name) |
| { |
| UNICODE_STRING nt_name; |
| FILE_BASIC_INFORMATION basic_info; |
| OBJECT_ATTRIBUTES attr; |
| BOOLEAN ret; |
| |
| if (!RtlDosPathNameToNtPathName_U( file_name, &nt_name, NULL, NULL )) return FALSE; |
| |
| attr.Length = sizeof(attr); |
| attr.RootDirectory = 0; |
| attr.ObjectName = &nt_name; |
| attr.Attributes = OBJ_CASE_INSENSITIVE; |
| attr.SecurityDescriptor = NULL; |
| attr.SecurityQualityOfService = NULL; |
| |
| ret = NtQueryAttributesFile(&attr, &basic_info) == STATUS_SUCCESS; |
| |
| RtlFreeUnicodeString( &nt_name ); |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * DIR_unmount_device |
| * |
| * Unmount the specified device. |
| */ |
| NTSTATUS DIR_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; |
| } |
| |
| |
| /****************************************************************************** |
| * DIR_get_unix_cwd |
| * |
| * Retrieve the Unix name of the current directory; helper for wine_unix_to_nt_file_name. |
| * Returned value must be freed by caller. |
| */ |
| NTSTATUS DIR_get_unix_cwd( char **cwd ) |
| { |
| int old_cwd, unix_fd, needs_close; |
| CURDIR *curdir; |
| HANDLE handle; |
| NTSTATUS status; |
| |
| RtlAcquirePebLock(); |
| |
| if (NtCurrentTeb()->Tib.SubSystemTib) /* FIXME: hack */ |
| curdir = &((WIN16_SUBSYSTEM_TIB *)NtCurrentTeb()->Tib.SubSystemTib)->curdir; |
| else |
| curdir = &NtCurrentTeb()->Peb->ProcessParameters->CurrentDirectory; |
| |
| if (!(handle = curdir->Handle)) |
| { |
| UNICODE_STRING dirW; |
| OBJECT_ATTRIBUTES attr; |
| IO_STATUS_BLOCK io; |
| |
| if (!RtlDosPathNameToNtPathName_U( curdir->DosPath.Buffer, &dirW, NULL, NULL )) |
| { |
| status = STATUS_OBJECT_NAME_INVALID; |
| goto done; |
| } |
| attr.Length = sizeof(attr); |
| attr.RootDirectory = 0; |
| attr.Attributes = OBJ_CASE_INSENSITIVE; |
| attr.ObjectName = &dirW; |
| attr.SecurityDescriptor = NULL; |
| attr.SecurityQualityOfService = NULL; |
| |
| status = NtOpenFile( &handle, SYNCHRONIZE, &attr, &io, 0, |
| FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT ); |
| RtlFreeUnicodeString( &dirW ); |
| if (status != STATUS_SUCCESS) goto done; |
| } |
| |
| if ((status = server_get_unix_fd( handle, 0, &unix_fd, &needs_close, NULL, NULL )) == STATUS_SUCCESS) |
| { |
| RtlEnterCriticalSection( &dir_section ); |
| |
| if ((old_cwd = open(".", O_RDONLY)) != -1 && fchdir( unix_fd ) != -1) |
| { |
| unsigned int size = 512; |
| |
| for (;;) |
| { |
| if (!(*cwd = RtlAllocateHeap( GetProcessHeap(), 0, size ))) |
| { |
| status = STATUS_NO_MEMORY; |
| break; |
| } |
| if (getcwd( *cwd, size )) break; |
| RtlFreeHeap( GetProcessHeap(), 0, *cwd ); |
| if (errno != ERANGE) |
| { |
| status = STATUS_OBJECT_PATH_INVALID; |
| break; |
| } |
| size *= 2; |
| } |
| if (fchdir( old_cwd ) == -1) chdir( "/" ); |
| } |
| else status = FILE_GetNtStatus(); |
| |
| RtlLeaveCriticalSection( &dir_section ); |
| if (old_cwd != -1) close( old_cwd ); |
| if (needs_close) close( unix_fd ); |
| } |
| if (!curdir->Handle) NtClose( handle ); |
| |
| done: |
| RtlReleasePebLock(); |
| return status; |
| } |