/*
* Copyright (c) 2008-2024 Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3.0 only,
* as published by the Free Software Foundation.
*
* This program 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
* version 3.0 for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* version 3.0 along with this program. If not, see
* <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#ifndef _LARGEFILE64_SOURCE
# define _LARGEFILE64_SOURCE 1
#endif
#include <errno.h>
#include <math.h>
#ifdef HAVE_DIRENT_H
# include <dirent.h>
#endif
#include "unistd_wrapper.h"
#include "platform.h"
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
#include <sys/time.h>
#if defined(OF_LINUX) || defined(OF_MACOS)
# include <sys/xattr.h>
#endif
#if defined(OF_FREEBSD) || defined(OF_NETBSD)
# include <sys/extattr.h>
#endif
#ifdef OF_HAIKU
# include <kernel/fs_attr.h>
#endif
#ifdef OF_WINDOWS
# include <utime.h>
#endif
#ifdef OF_DJGPP
# include <syslimits.h>
#endif
#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif
#ifdef HAVE_PWD_H
# include <pwd.h>
#endif
#ifdef HAVE_GRP_H
# include <grp.h>
#endif
#import "OFFileIRIHandler.h"
#import "OFArray.h"
#import "OFData.h"
#import "OFDate.h"
#import "OFFile.h"
#import "OFFileManager.h"
#import "OFIRI.h"
#import "OFLocale.h"
#import "OFNumber.h"
#import "OFSystemInfo.h"
#ifdef OF_HAVE_THREADS
# import "OFMutex.h"
#endif
#import "OFCreateDirectoryFailedException.h"
#import "OFCreateSymbolicLinkFailedException.h"
#import "OFGetItemAttributesFailedException.h"
#import "OFInitializationFailedException.h"
#import "OFInvalidArgumentException.h"
#import "OFLinkItemFailedException.h"
#import "OFMoveItemFailedException.h"
#import "OFNotImplementedException.h"
#import "OFOpenItemFailedException.h"
#import "OFOutOfRangeException.h"
#import "OFReadFailedException.h"
#import "OFRemoveItemFailedException.h"
#import "OFSetItemAttributesFailedException.h"
#ifdef OF_WINDOWS
# include <windows.h>
# include <direct.h>
# include <ntdef.h>
# include <wchar.h>
#endif
#ifdef OF_AMIGAOS
# define Class IntuitionClass
# include <proto/exec.h>
# include <proto/dos.h>
# include <proto/locale.h>
# undef Class
# ifdef OF_AMIGAOS4
# define DeleteFile(path) Delete(path)
# endif
#endif
#if defined(OF_WINDOWS) || defined(OF_AMIGAOS)
typedef struct {
OFStreamOffset st_size;
unsigned int st_mode;
OFTimeInterval st_atime, st_mtime, st_ctime;
# ifdef OF_WINDOWS
# define HAVE_STRUCT_STAT_ST_BIRTHTIME
OFTimeInterval st_birthtime;
DWORD fileAttributes;
# endif
} Stat;
#elif defined(HAVE_STAT64)
typedef struct stat64 Stat;
#else
typedef struct stat Stat;
#endif
#ifdef OF_WINDOWS
# define S_IFLNK 0x10000
# define S_ISLNK(mode) (mode & S_IFLNK)
#endif
#if defined(OF_FILE_MANAGER_SUPPORTS_OWNER) && defined(OF_HAVE_THREADS)
static OFMutex *passwdMutex;
static void
releasePasswdMutex(void)
{
[passwdMutex release];
}
#endif
#if !defined(HAVE_READDIR_R) && defined(OF_HAVE_THREADS) && !defined(OF_WINDOWS)
static OFMutex *readdirMutex;
static void
releaseReaddirMutex(void)
{
[readdirMutex release];
}
#endif
#ifdef OF_WINDOWS
static int (*_wutime64FuncPtr)(const wchar_t *, struct __utimbuf64 *);
static WINAPI BOOLEAN (*createSymbolicLinkWFuncPtr)(LPCWSTR, LPCWSTR, DWORD);
static WINAPI BOOLEAN (*createHardLinkWFuncPtr)(LPCWSTR, LPCWSTR,
LPSECURITY_ATTRIBUTES);
#endif
#ifdef OF_FREEBSD
static const char *namespaces[] = EXTATTR_NAMESPACE_NAMES;
static int numNamespaces = sizeof(namespaces) / sizeof(*namespaces);
#endif
#ifdef OF_WINDOWS
static OFTimeInterval
filetimeToTimeInterval(const FILETIME *filetime)
{
return (double)((int64_t)filetime->dwHighDateTime << 32 |
filetime->dwLowDateTime) / 10000000.0 - 11644473600.0;
}
static int
lastError(void)
{
switch (GetLastError()) {
case ERROR_FILE_NOT_FOUND:
case ERROR_PATH_NOT_FOUND:
case ERROR_NO_MORE_FILES:
return ENOENT;
case ERROR_ACCESS_DENIED:
return EACCES;
case ERROR_PRIVILEGE_NOT_HELD:
return EPERM;
case ERROR_DIRECTORY:
return ENOTDIR;
case ERROR_NOT_READY:
return EBUSY;
default:
return EIO;
}
}
#endif
#ifdef OF_AMIGAOS
static int
lastError(void)
{
switch (IoErr()) {
case ERROR_DELETE_PROTECTED:
case ERROR_READ_PROTECTED:
case ERROR_WRITE_PROTECTED:
return EACCES;
case ERROR_DISK_NOT_VALIDATED:
case ERROR_OBJECT_IN_USE:
return EBUSY;
case ERROR_OBJECT_EXISTS:
return EEXIST;
case ERROR_DIR_NOT_FOUND:
case ERROR_NO_MORE_ENTRIES:
case ERROR_OBJECT_NOT_FOUND:
return ENOENT;
case ERROR_NO_FREE_STORE:
return ENOMEM;
case ERROR_DISK_FULL:
return ENOSPC;
case ERROR_DIRECTORY_NOT_EMPTY:
return ENOTEMPTY;
case ERROR_DISK_WRITE_PROTECTED:
return EROFS;
case ERROR_RENAME_ACROSS_DEVICES:
return EXDEV;
default:
return EIO;
}
}
#endif
static int
statWrapper(OFString *path, Stat *buffer)
{
#if defined(OF_WINDOWS)
WIN32_FILE_ATTRIBUTE_DATA data;
bool success;
if ([OFSystemInfo isWindowsNT])
success = GetFileAttributesExW(path.UTF16String,
GetFileExInfoStandard, &data);
else
success = GetFileAttributesExA(
[path cStringWithEncoding: [OFLocale encoding]],
GetFileExInfoStandard, &data);
if (!success)
return lastError();
buffer->st_size = (uint64_t)data.nFileSizeHigh << 32 |
data.nFileSizeLow;
if (data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
buffer->st_mode = S_IFDIR;
else if (data.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) {
/*
* No need to use A functions in this branch: This is only
* available on NTFS (and hence Windows NT) anyway.
*/
WIN32_FIND_DATAW findData;
HANDLE findHandle;
if ((findHandle = FindFirstFileW(path.UTF16String,
&findData)) == INVALID_HANDLE_VALUE)
return lastError();
@try {
if (!(findData.dwFileAttributes &
FILE_ATTRIBUTE_REPARSE_POINT))
/* Race? Indicate to try again. */
return EAGAIN;
buffer->st_mode =
(findData.dwReserved0 == IO_REPARSE_TAG_SYMLINK
? S_IFLNK : S_IFREG);
} @finally {
FindClose(findHandle);
}
} else
buffer->st_mode = S_IFREG;
buffer->st_mode |= (data.dwFileAttributes & FILE_ATTRIBUTE_READONLY
? (S_IRUSR | S_IXUSR) : (S_IRUSR | S_IWUSR | S_IXUSR));
buffer->st_atime = filetimeToTimeInterval(&data.ftLastAccessTime);
buffer->st_mtime = filetimeToTimeInterval(&data.ftLastWriteTime);
buffer->st_ctime = buffer->st_birthtime =
filetimeToTimeInterval(&data.ftCreationTime);
buffer->fileAttributes = data.dwFileAttributes;
return 0;
#elif defined(OF_AMIGAOS)
BPTR lock;
# ifdef OF_AMIGAOS4
struct ExamineData *ed;
# else
struct FileInfoBlock fib;
# endif
OFTimeInterval timeInterval;
struct Locale *locale;
struct DateStamp *date;
if ((lock = Lock([path cStringWithEncoding: [OFLocale encoding]],
SHARED_LOCK)) == 0)
return lastError();
# if defined(OF_MORPHOS)
if (!Examine64(lock, &fib, TAG_DONE)) {
# elif defined(OF_AMIGAOS4)
if ((ed = ExamineObjectTags(EX_FileLockInput, lock, TAG_END)) == NULL) {
# else
if (!Examine(lock, &fib)) {
# endif
int error = lastError();
UnLock(lock);
return error;
}
UnLock(lock);
# if defined(OF_MORPHOS)
buffer->st_size = fib.fib_Size64;
# elif defined(OF_AMIGAOS4)
buffer->st_size = ed->FileSize;
# else
buffer->st_size = fib.fib_Size;
# endif
# ifdef OF_AMIGAOS4
buffer->st_mode = (EXD_IS_DIRECTORY(ed) ? S_IFDIR : S_IFREG);
# else
buffer->st_mode = (fib.fib_DirEntryType > 0 ? S_IFDIR : S_IFREG);
# endif
timeInterval = 252460800; /* 1978-01-01 */
locale = OpenLocale(NULL);
/*
* FIXME: This does not take DST into account. But unfortunately, there
* is no way to figure out if DST was in effect when the file was
* modified.
*/
timeInterval += locale->loc_GMTOffset * 60.0;
CloseLocale(locale);
# ifdef OF_AMIGAOS4
date = &ed->Date;
# else
date = &fib.fib_Date;
# endif
timeInterval += date->ds_Days * 86400.0;
timeInterval += date->ds_Minute * 60.0;
timeInterval += date->ds_Tick / (OFTimeInterval)TICKS_PER_SECOND;
buffer->st_atime = buffer->st_mtime = buffer->st_ctime = timeInterval;
# ifdef OF_AMIGAOS4
FreeDosObject(DOS_EXAMINEDATA, ed);
# endif
return 0;
#elif defined(HAVE_STAT64)
if (stat64([path cStringWithEncoding: [OFLocale encoding]],
buffer) != 0)
return errno;
return 0;
#else
if (stat([path cStringWithEncoding: [OFLocale encoding]], buffer) != 0)
return errno;
return 0;
#endif
}
static int
lstatWrapper(OFString *path, Stat *buffer)
{
#if defined(HAVE_LSTAT) && !defined(OF_WINDOWS) && !defined(OF_AMIGAOS) && \
!defined(OF_NINTENDO_3DS) && !defined(OF_WII)
# ifdef HAVE_LSTAT64
if (lstat64([path cStringWithEncoding: [OFLocale encoding]],
buffer) != 0)
return errno;
# else
if (lstat([path cStringWithEncoding: [OFLocale encoding]], buffer) != 0)
return errno;
# endif
return 0;
#else
return statWrapper(path, buffer);
#endif
}
#if defined(OF_FREEBSD) || defined(OF_NETBSD)
static void
parseAttributeName(OFString **name, int *namespace)
{
size_t pos = [*name rangeOfString: @"."].location;
OFString *namespaceName;
const char *cNamespace;
if (pos == OFNotFound)
@throw [OFInvalidArgumentException exception];
namespaceName = [*name substringToIndex: pos];
cNamespace = [namespaceName cStringWithEncoding: [OFLocale encoding]];
*name = [*name substringFromIndex: pos + 1];
# if defined(OF_FREEBSD)
for (int i = 0; i < numNamespaces; i++) {
if (strcmp(namespaces[i], cNamespace) == 0) {
*namespace = i;
return;
}
}
@throw [OFInvalidArgumentException exception];
# elif defined(OF_NETBSD)
if (extattr_string_to_namespace(cNamespace, namespace) == -1)
@throw [OFInvalidArgumentException exception];
# endif
}
#endif
static void
setTypeAttribute(OFMutableFileAttributes attributes, Stat *s)
{
if (S_ISREG(s->st_mode))
[attributes setObject: OFFileTypeRegular forKey: OFFileType];
else if (S_ISDIR(s->st_mode))
[attributes setObject: OFFileTypeDirectory forKey: OFFileType];
#ifdef S_ISLNK
else if (S_ISLNK(s->st_mode))
[attributes setObject: OFFileTypeSymbolicLink
forKey: OFFileType];
#endif
#ifdef S_ISFIFO
else if (S_ISFIFO(s->st_mode))
[attributes setObject: OFFileTypeFIFO forKey: OFFileType];
#endif
#ifdef S_ISCHR
else if (S_ISCHR(s->st_mode))
[attributes setObject: OFFileTypeCharacterSpecial
forKey: OFFileType];
#endif
#ifdef S_ISBLK
else if (S_ISBLK(s->st_mode))
[attributes setObject: OFFileTypeBlockSpecial
forKey: OFFileType];
#endif
#ifdef S_ISSOCK
else if (S_ISSOCK(s->st_mode))
[attributes setObject: OFFileTypeSocket forKey: OFFileType];
#endif
else
[attributes setObject: OFFileTypeUnknown forKey: OFFileType];
}
static void
setDateAttributes(OFMutableFileAttributes attributes, Stat *s)
{
/* FIXME: We could be more precise on some OSes */
[attributes
setObject: [OFDate dateWithTimeIntervalSince1970: s->st_atime]
forKey: OFFileLastAccessDate];
[attributes
setObject: [OFDate dateWithTimeIntervalSince1970: s->st_mtime]
forKey: OFFileModificationDate];
[attributes
setObject: [OFDate dateWithTimeIntervalSince1970: s->st_ctime]
forKey: OFFileStatusChangeDate];
#ifdef HAVE_STRUCT_STAT_ST_BIRTHTIME
[attributes
setObject: [OFDate dateWithTimeIntervalSince1970: s->st_birthtime]
forKey: OFFileCreationDate];
#endif
}
static void
setOwnerAndGroupAttributes(OFMutableFileAttributes attributes, Stat *s)
{
#ifdef OF_FILE_MANAGER_SUPPORTS_OWNER
[attributes setObject: [NSNumber numberWithUnsignedLong: s->st_uid]
forKey: OFFileOwnerAccountID];
[attributes setObject: [NSNumber numberWithUnsignedLong: s->st_gid]
forKey: OFFileGroupOwnerAccountID];
# ifdef OF_HAVE_THREADS
[passwdMutex lock];
@try {
# endif
OFStringEncoding encoding = [OFLocale encoding];
struct passwd *passwd = getpwuid(s->st_uid);
struct group *group_ = getgrgid(s->st_gid);
if (passwd != NULL) {
OFString *owner = [OFString
stringWithCString: passwd->pw_name
encoding: encoding];
[attributes setObject: owner
forKey: OFFileOwnerAccountName];
}
if (group_ != NULL) {
OFString *group = [OFString
stringWithCString: group_->gr_name
encoding: encoding];
[attributes setObject: group
forKey: OFFileGroupOwnerAccountName];
}
# ifdef OF_HAVE_THREADS
} @finally {
[passwdMutex unlock];
}
# endif
#endif
}
#ifdef OF_FILE_MANAGER_SUPPORTS_SYMLINKS
static void
setSymbolicLinkDestinationAttribute(OFMutableFileAttributes attributes,
OFIRI *IRI)
{
OFString *path = IRI.fileSystemRepresentation;
# ifdef OF_WINDOWS
HANDLE handle;
OFString *destination;
if (createSymbolicLinkWFuncPtr == NULL)
return;
if ((handle = CreateFileW(path.UTF16String, 0, (FILE_SHARE_READ |
FILE_SHARE_WRITE), NULL, OPEN_EXISTING,
FILE_FLAG_OPEN_REPARSE_POINT, NULL)) == INVALID_HANDLE_VALUE)
@throw [OFGetItemAttributesFailedException
exceptionWithIRI: IRI
errNo: lastError()];
@try {
union {
char bytes[MAXIMUM_REPARSE_DATA_BUFFER_SIZE];
REPARSE_DATA_BUFFER data;
} buffer;
DWORD size;
wchar_t *tmp;
if (!DeviceIoControl(handle, FSCTL_GET_REPARSE_POINT, NULL, 0,
buffer.bytes, MAXIMUM_REPARSE_DATA_BUFFER_SIZE, &size,
NULL))
@throw [OFGetItemAttributesFailedException
exceptionWithIRI: IRI
errNo: lastError()];
if (buffer.data.ReparseTag != IO_REPARSE_TAG_SYMLINK)
@throw [OFGetItemAttributesFailedException
exceptionWithIRI: IRI
errNo: lastError()];
# define slrb buffer.data.SymbolicLinkReparseBuffer
tmp = slrb.PathBuffer +
(slrb.SubstituteNameOffset / sizeof(wchar_t));
destination = [OFString
stringWithUTF16String: tmp
length: slrb.SubstituteNameLength /
sizeof(wchar_t)];
[attributes setObject: OFFileTypeSymbolicLink
forKey: OFFileType];
[attributes setObject: destination
forKey: OFFileSymbolicLinkDestination];
# undef slrb
} @finally {
CloseHandle(handle);
}
# elif defined(OF_HURD)
OFStringEncoding encoding = [OFLocale encoding];
int fd;
OFMutableData *destinationData;
OFString *destination;
fd = open([path cStringWithEncoding: encoding], O_RDONLY | O_NOLINK);
if (fd == -1)
@throw [OFGetItemAttributesFailedException
exceptionWithIRI: IRI
errNo: errno];
@try {
char buffer[512];
ssize_t length;
destinationData = [OFMutableData data];
while ((length = read(fd, buffer, 512)) > 0)
[destinationData addItems: buffer count: length];
} @finally {
close(fd);
}
destination = [OFString stringWithCString: destinationData.items
encoding: encoding
length: destinationData.count];
[attributes setObject: destination
forKey: OFFileSymbolicLinkDestination];
# else
OFStringEncoding encoding = [OFLocale encoding];
char destinationC[PATH_MAX];
ssize_t length;
OFString *destination;
length = readlink([path cStringWithEncoding: encoding], destinationC,
PATH_MAX);
if (length < 0)
@throw [OFGetItemAttributesFailedException
exceptionWithIRI: IRI
errNo: errno];
destination = [OFString stringWithCString: destinationC
encoding: encoding
length: length];
[attributes setObject: destination
forKey: OFFileSymbolicLinkDestination];
# endif
}
#endif
#ifdef OF_FILE_MANAGER_SUPPORTS_EXTENDED_ATTRIBUTES
static void
setExtendedAttributes(OFMutableFileAttributes attributes, OFIRI *IRI)
{
OFString *path = IRI.fileSystemRepresentation;
OFStringEncoding encoding = [OFLocale encoding];
const char *cPath = [path cStringWithEncoding: encoding];
OFMutableArray *names = nil;
# if defined(OF_LINUX) || defined(OF_MACOS)
# if defined(OF_LINUX)
ssize_t size = llistxattr(cPath, NULL, 0);
# elif defined(OF_MACOS)
ssize_t size = listxattr(cPath, NULL, 0, XATTR_NOFOLLOW);
# endif
char *list;
if (size < 0)
return;
list = OFAllocMemory(1, size);
@try {
char *name;
# if defined(OF_LINUX)
if ((size = llistxattr(cPath, list, size)) < 0)
# elif defined(OF_MACOS)
if ((size = listxattr(cPath, list, size, XATTR_NOFOLLOW)) < 0)
# endif
return;
names = [OFMutableArray array];
name = list;
while (size > 0) {
size_t length = strlen(name);
[names addObject: [OFString stringWithCString: name
encoding: encoding
length: length]];
name += length + 1;
size -= length + 1;
}
} @finally {
OFFreeMemory(list);
}
# elif defined(OF_FREEBSD) || defined(OF_NETBSD)
names = [OFMutableArray array];
# if defined(OF_FREEBSD)
for (int i = 0; i < numNamespaces; i++) {
int namespace = i;
const char *cNamespace = namespaces[i];
# elif defined(OF_NETBSD)
for (size_t i = 0; extattr_namespaces[i] != 0; i++) {
int namespace = extattr_namespaces[i];
char *cNamespace;
# endif
ssize_t size;
char *list;
if ((size = extattr_list_link(cPath, namespace, NULL, 0)) < 0)
continue;
list = OFAllocMemory(1, size);
@try {
OFString *namespaceName;
char *iter;
if ((size = extattr_list_link(cPath, namespace,
list, size)) < 0)
continue;
# ifdef OF_NETBSD
if (extattr_namespace_to_string(namespace,
&cNamespace) == -1)
continue;
# endif
namespaceName = [OFString stringWithCString: cNamespace
encoding: encoding];
iter = list;
while (size > 0) {
ssize_t length = *(unsigned char *)iter;
OFString *name;
iter++;
size--;
if (length > size)
@throw [OFOutOfRangeException
exception];
name = [OFString stringWithCString: iter
encoding: encoding
length: length];
name = [OFString stringWithFormat:
@"%@.%@", namespaceName, name];
[names addObject: name];
iter += length;
size -= length;
}
} @finally {
OFFreeMemory(list);
}
}
# elif defined(OF_HAIKU)
DIR *dir = fs_open_attr_dir(cPath);
if (dir == NULL)
return;
@try {
struct dirent *dirent;
names = [OFMutableArray array];
while ((dirent = fs_read_attr_dir(dir)) != NULL)
[names addObject:
[OFString stringWithCString: dirent->d_name
encoding: encoding]];
} @finally {
fs_close_attr_dir(dir);
}
# endif
[names makeImmutable];
[attributes setObject: names forKey: OFFileExtendedAttributesNames];
}
#endif
@implementation OFFileIRIHandler
+ (void)initialize
{
#ifdef OF_WINDOWS
HMODULE module;
#endif
if (self != [OFFileIRIHandler class])
return;
#if defined(OF_FILE_MANAGER_SUPPORTS_OWNER) && defined(OF_HAVE_THREADS)
passwdMutex = [[OFMutex alloc] init];
atexit(releasePasswdMutex);
#endif
#if !defined(HAVE_READDIR_R) && !defined(OF_WINDOWS) && defined(OF_HAVE_THREADS)
readdirMutex = [[OFMutex alloc] init];
atexit(releaseReaddirMutex);
#endif
#ifdef OF_WINDOWS
if ((module = GetModuleHandle("msvcrt.dll")) != NULL)
_wutime64FuncPtr = (int (*)(const wchar_t *,
struct __utimbuf64 *))GetProcAddress(module, "_wutime64");
if ((module = GetModuleHandleA("kernel32.dll")) != NULL) {
createSymbolicLinkWFuncPtr =
(WINAPI BOOLEAN (*)(LPCWSTR, LPCWSTR, DWORD))
GetProcAddress(module, "CreateSymbolicLinkW");
createHardLinkWFuncPtr =
(WINAPI BOOLEAN (*)(LPCWSTR, LPCWSTR,
LPSECURITY_ATTRIBUTES))
GetProcAddress(module, "CreateHardLinkW");
}
#endif
/*
* Make sure OFFile is initialized.
* On some systems, this is needed to initialize the file system driver.
*/
[OFFile class];
}
+ (bool)of_directoryExistsAtPath: (OFString *)path
{
Stat s;
if (statWrapper(path, &s) != 0)
return false;
return S_ISDIR(s.st_mode);
}
- (OFStream *)openItemAtIRI: (OFIRI *)IRI mode: (OFString *)mode
{
void *pool = objc_autoreleasePoolPush();
OFFile *file;
@try {
file = [OFFile fileWithPath: IRI.fileSystemRepresentation
mode: mode];
} @catch (OFOpenItemFailedException *e) {
/* The thrown one has a path instead of an IRI set. */
@throw [OFOpenItemFailedException exceptionWithIRI: IRI
mode: mode
errNo: e.errNo];
}
[file retain];
objc_autoreleasePoolPop(pool);
return [file autorelease];
}
- (OFFileAttributes)attributesOfItemAtIRI: (OFIRI *)IRI
{
OFMutableFileAttributes ret = [OFMutableDictionary dictionary];
void *pool = objc_autoreleasePoolPush();
OFString *path;
int error;
Stat s;
if (IRI == nil)
@throw [OFInvalidArgumentException exception];
if (![[IRI scheme] isEqual: _scheme])
@throw [OFInvalidArgumentException exception];
path = IRI.fileSystemRepresentation;
if ((error = lstatWrapper(path, &s)) != 0)
@throw [OFGetItemAttributesFailedException
exceptionWithIRI: IRI
errNo: error];
if (s.st_size < 0)
@throw [OFOutOfRangeException exception];
[ret setObject: [NSNumber numberWithUnsignedLongLong: s.st_size]
forKey: OFFileSize];
setTypeAttribute(ret, &s);
[ret setObject: [NSNumber numberWithUnsignedLong: s.st_mode]
forKey: OFFilePOSIXPermissions];
setOwnerAndGroupAttributes(ret, &s);
setDateAttributes(ret, &s);
#ifdef OF_FILE_MANAGER_SUPPORTS_SYMLINKS
if (S_ISLNK(s.st_mode))
setSymbolicLinkDestinationAttribute(ret, IRI);
#endif
#ifdef OF_FILE_MANAGER_SUPPORTS_EXTENDED_ATTRIBUTES
setExtendedAttributes(ret, IRI);
#endif
objc_autoreleasePoolPop(pool);
return ret;
}
- (void)of_setLastAccessDate: (OFDate *)lastAccessDate
andModificationDate: (OFDate *)modificationDate
ofItemAtIRI: (OFIRI *)IRI
attributes: (OFFileAttributes)attributes OF_DIRECT
{
OFString *path = IRI.fileSystemRepresentation;
OFFileAttributeKey attributeKey = (modificationDate != nil
? OFFileModificationDate : OFFileLastAccessDate);
if (lastAccessDate == nil)
lastAccessDate = modificationDate;
if (modificationDate == nil)
modificationDate = lastAccessDate;
#if defined(OF_WINDOWS)
if (_wutime64FuncPtr != NULL) {
struct __utimbuf64 times = {
.actime =
(__time64_t)lastAccessDate.timeIntervalSince1970,
.modtime =
(__time64_t)modificationDate.timeIntervalSince1970
};
if (_wutime64FuncPtr([path UTF16String], ×) != 0) {
int errNo = errno;
if (errNo == EACCES && [self directoryExistsAtIRI: IRI])
errNo = EISDIR;
@throw [OFSetItemAttributesFailedException
exceptionWithIRI: IRI
attributes: attributes
failedAttribute: attributeKey
errNo: errNo];
}
} else {
struct _utimbuf times = {
.actime = (time_t)lastAccessDate.timeIntervalSince1970,
.modtime =
(time_t)modificationDate.timeIntervalSince1970
};
int status;
if ([OFSystemInfo isWindowsNT])
status = _wutime([path UTF16String], ×);
else
status = _utime(
[path cStringWithEncoding: [OFLocale encoding]],
×);
if (status != 0) {
int errNo = errno;
if (errNo == EACCES && [self directoryExistsAtIRI: IRI])
errNo = EISDIR;
@throw [OFSetItemAttributesFailedException
exceptionWithIRI: IRI
attributes: attributes
failedAttribute: attributeKey
errNo: errNo];
}
}
#elif defined(OF_AMIGAOS)
/* AmigaOS does not support access time. */
OFTimeInterval modificationTime =
modificationDate.timeIntervalSince1970;
struct Locale *locale;
struct DateStamp date;
modificationTime -= 252460800; /* 1978-01-01 */
if (modificationTime < 0)
@throw [OFOutOfRangeException exception];
locale = OpenLocale(NULL);
/*
* FIXME: This does not take DST into account. But unfortunately, there
* is no way to figure out if DST should be in effect for the
* timestamp.
*/
modificationTime -= locale->loc_GMTOffset * 60.0;
CloseLocale(locale);
date.ds_Days = modificationTime / 86400;
date.ds_Minute = ((LONG)modificationTime % 86400) / 60;
date.ds_Tick = fmod(modificationTime, 60) * TICKS_PER_SECOND;
# ifdef OF_AMIGAOS4
if (!SetDate([path cStringWithEncoding: [OFLocale encoding]],
&date) != 0)
# else
if (!SetFileDate([path cStringWithEncoding: [OFLocale encoding]],
&date) != 0)
# endif
@throw [OFSetItemAttributesFailedException
exceptionWithIRI: IRI
attributes: attributes
failedAttribute: attributeKey
errNo: lastError()];
#else
OFTimeInterval lastAccessTime = lastAccessDate.timeIntervalSince1970;
OFTimeInterval modificationTime =
modificationDate.timeIntervalSince1970;
struct timeval times[2] = {
{
.tv_sec = (time_t)lastAccessTime,
.tv_usec = (int)((lastAccessTime -
(time_t)lastAccessTime) * 1000000)
},
{
.tv_sec = (time_t)modificationTime,
.tv_usec = (int)((modificationTime -
(time_t)modificationTime) * 1000000)
},
};
if (utimes([path cStringWithEncoding: [OFLocale encoding]], times) != 0)
@throw [OFSetItemAttributesFailedException
exceptionWithIRI: IRI
attributes: attributes
failedAttribute: attributeKey
errNo: errno];
#endif
}
- (void)of_setPOSIXPermissions: (OFNumber *)permissions
ofItemAtIRI: (OFIRI *)IRI
attributes: (OFFileAttributes)attributes OF_DIRECT
{
#ifdef OF_FILE_MANAGER_SUPPORTS_PERMISSIONS
mode_t mode = (mode_t)permissions.unsignedLongValue;
OFString *path = IRI.fileSystemRepresentation;
int status;
# ifdef OF_WINDOWS
if ([OFSystemInfo isWindowsNT])
status = _wchmod(path.UTF16String, mode);
else
# endif
status = chmod(
[path cStringWithEncoding: [OFLocale encoding]], mode);
if (status != 0)
@throw [OFSetItemAttributesFailedException
exceptionWithIRI: IRI
attributes: attributes
failedAttribute: OFFilePOSIXPermissions
errNo: errno];
#else
OF_UNRECOGNIZED_SELECTOR
#endif
}
- (void)of_setOwnerAccountName: (OFString *)owner
andGroupOwnerAccountName: (OFString *)group
ofItemAtIRI: (OFIRI *)IRI
attributeKey: (OFFileAttributeKey)attributeKey
attributes: (OFFileAttributes)attributes OF_DIRECT
{
#ifdef OF_FILE_MANAGER_SUPPORTS_OWNER
OFString *path = IRI.fileSystemRepresentation;
uid_t uid = -1;
gid_t gid = -1;
OFStringEncoding encoding;
if (owner == nil && group == nil)
@throw [OFInvalidArgumentException exception];
encoding = [OFLocale encoding];
# ifdef OF_HAVE_THREADS
[passwdMutex lock];
@try {
# endif
if (owner != nil) {
struct passwd *passwd;
if ((passwd = getpwnam([owner
cStringWithEncoding: encoding])) == NULL)
@throw [OFSetItemAttributesFailedException
exceptionWithIRI: IRI
attributes: attributes
failedAttribute: attributeKey
errNo: errno];
uid = passwd->pw_uid;
}
if (group != nil) {
struct group *group_;
if ((group_ = getgrnam([group
cStringWithEncoding: encoding])) == NULL)
@throw [OFSetItemAttributesFailedException
exceptionWithIRI: IRI
attributes: attributes
failedAttribute: attributeKey
errNo: errno];
gid = group_->gr_gid;
}
# ifdef OF_HAVE_THREADS
} @finally {
[passwdMutex unlock];
}
# endif
if (chown([path cStringWithEncoding: encoding], uid, gid) != 0)
@throw [OFSetItemAttributesFailedException
exceptionWithIRI: IRI
attributes: attributes
failedAttribute: attributeKey
errNo: errno];
#else
OF_UNRECOGNIZED_SELECTOR
#endif
}
- (void)setAttributes: (OFFileAttributes)attributes ofItemAtIRI: (OFIRI *)IRI
{
void *pool = objc_autoreleasePoolPush();
OFEnumerator OF_GENERIC(OFFileAttributeKey) *keyEnumerator;
OFEnumerator *objectEnumerator;
OFFileAttributeKey key;
id object;
OFDate *lastAccessDate, *modificationDate;
if (IRI == nil)
@throw [OFInvalidArgumentException exception];
if (![IRI.scheme isEqual: _scheme])
@throw [OFInvalidArgumentException exception];
keyEnumerator = [attributes keyEnumerator];
objectEnumerator = [attributes objectEnumerator];
while ((key = [keyEnumerator nextObject]) != nil &&
(object = [objectEnumerator nextObject]) != nil) {
if ([key isEqual: OFFileModificationDate] ||
[key isEqual: OFFileLastAccessDate])
continue;
else if ([key isEqual: OFFilePOSIXPermissions])
[self of_setPOSIXPermissions: object
ofItemAtIRI: IRI
attributes: attributes];
else if ([key isEqual: OFFileOwnerAccountName])
[self of_setOwnerAccountName: object
andGroupOwnerAccountName: nil
ofItemAtIRI: IRI
attributeKey: key
attributes: attributes];
else if ([key isEqual: OFFileGroupOwnerAccountName])
[self of_setOwnerAccountName: nil
andGroupOwnerAccountName: object
ofItemAtIRI: IRI
attributeKey: key
attributes: attributes];
else
@throw [OFNotImplementedException
exceptionWithSelector: _cmd
object: self];
}
lastAccessDate = [attributes objectForKey: OFFileLastAccessDate];
modificationDate = [attributes objectForKey: OFFileModificationDate];
if (lastAccessDate != nil || modificationDate != nil)
[self of_setLastAccessDate: lastAccessDate
andModificationDate: modificationDate
ofItemAtIRI: IRI
attributes: attributes];
objc_autoreleasePoolPop(pool);
}
- (bool)fileExistsAtIRI: (OFIRI *)IRI
{
void *pool = objc_autoreleasePoolPush();
Stat s;
bool ret;
if (IRI == nil)
@throw [OFInvalidArgumentException exception];
if (![IRI.scheme isEqual: _scheme])
@throw [OFInvalidArgumentException exception];
ret = (statWrapper(IRI.fileSystemRepresentation, &s) == 0);
objc_autoreleasePoolPop(pool);
return ret;
}
- (bool)directoryExistsAtIRI: (OFIRI *)IRI
{
void *pool = objc_autoreleasePoolPush();
Stat s;
bool ret;
if (IRI == nil)
@throw [OFInvalidArgumentException exception];
if (![IRI.scheme isEqual: _scheme])
@throw [OFInvalidArgumentException exception];
if (statWrapper(IRI.fileSystemRepresentation, &s) != 0) {
objc_autoreleasePoolPop(pool);
return false;
}
ret = S_ISDIR(s.st_mode);
objc_autoreleasePoolPop(pool);
return ret;
}
- (void)createDirectoryAtIRI: (OFIRI *)IRI
{
void *pool = objc_autoreleasePoolPush();
OFString *path;
if (IRI == nil)
@throw [OFInvalidArgumentException exception];
if (![IRI.scheme isEqual: _scheme])
@throw [OFInvalidArgumentException exception];
path = IRI.fileSystemRepresentation;
#if defined(OF_WINDOWS)
int status;
if ([OFSystemInfo isWindowsNT])
status = _wmkdir(path.UTF16String);
else
status = _mkdir(
[path cStringWithEncoding: [OFLocale encoding]]);
if (status != 0)
@throw [OFCreateDirectoryFailedException
exceptionWithIRI: IRI
errNo: errno];
#elif defined(OF_AMIGAOS)
BPTR lock;
if ((lock = CreateDir(
[path cStringWithEncoding: [OFLocale encoding]])) == 0)
@throw [OFCreateDirectoryFailedException
exceptionWithIRI: IRI
errNo: lastError()];
UnLock(lock);
#else
if (mkdir([path cStringWithEncoding: [OFLocale encoding]], 0777) != 0)
@throw [OFCreateDirectoryFailedException
exceptionWithIRI: IRI
errNo: errno];
#endif
objc_autoreleasePoolPop(pool);
}
- (OFArray OF_GENERIC(OFIRI *) *)contentsOfDirectoryAtIRI: (OFIRI *)IRI
{
OFMutableArray *IRIs = [OFMutableArray array];
void *pool = objc_autoreleasePoolPush();
OFString *path;
if (IRI == nil)
@throw [OFInvalidArgumentException exception];
if (![IRI.scheme isEqual: _scheme])
@throw [OFInvalidArgumentException exception];
path = IRI.fileSystemRepresentation;
#if defined(OF_WINDOWS)
HANDLE handle;
path = [path stringByAppendingString: @"\\*"];
if ([OFSystemInfo isWindowsNT]) {
WIN32_FIND_DATAW fd;
if ((handle = FindFirstFileW(path.UTF16String,
&fd)) == INVALID_HANDLE_VALUE)
@throw [OFOpenItemFailedException
exceptionWithIRI: IRI
mode: nil
errNo: lastError()];
@try {
do {
OFString *file;
if (wcscmp(fd.cFileName, L".") == 0 ||
wcscmp(fd.cFileName, L"..") == 0)
continue;
file = [[OFString alloc]
initWithUTF16String: fd.cFileName];
@try {
[IRIs addObject: [IRI
IRIByAppendingPathComponent: file]];
} @finally {
[file release];
}
} while (FindNextFileW(handle, &fd));
if (GetLastError() != ERROR_NO_MORE_FILES)
@throw [OFReadFailedException
exceptionWithObject: self
requestedLength: 0
errNo: lastError()];
} @finally {
FindClose(handle);
}
} else {
OFStringEncoding encoding = [OFLocale encoding];
WIN32_FIND_DATA fd;
if ((handle = FindFirstFileA(
[path cStringWithEncoding: encoding], &fd)) ==
INVALID_HANDLE_VALUE)
@throw [OFOpenItemFailedException
exceptionWithIRI: IRI
mode: nil
errNo: lastError()];
@try {
do {
OFString *file;
if (strcmp(fd.cFileName, ".") == 0 ||
strcmp(fd.cFileName, "..") == 0)
continue;
file = [[OFString alloc]
initWithCString: fd.cFileName
encoding: encoding];
@try {
[IRIs addObject: [IRI
IRIByAppendingPathComponent: file]];
} @finally {
[file release];
}
} while (FindNextFileA(handle, &fd));
if (GetLastError() != ERROR_NO_MORE_FILES)
@throw [OFReadFailedException
exceptionWithObject: self
requestedLength: 0
errNo: lastError()];
} @finally {
FindClose(handle);
}
}
#elif defined(OF_AMIGAOS)
OFStringEncoding encoding = [OFLocale encoding];
BPTR lock;
if ((lock = Lock([path cStringWithEncoding: encoding],
SHARED_LOCK)) == 0)
@throw [OFOpenItemFailedException
exceptionWithIRI: IRI
mode: nil
errNo: lastError()];
@try {
# ifdef OF_AMIGAOS4
struct ExamineData *ed;
APTR context;
if ((context = ObtainDirContextTags(EX_FileLockInput, lock,
EX_DoCurrentDir, TRUE, EX_DataFields, EXF_NAME,
TAG_END)) == NULL)
@throw [OFOpenItemFailedException
exceptionWithIRI: IRI
mode: nil
errNo: lastError()];
@try {
while ((ed = ExamineDir(context)) != NULL) {
OFString *file = [[OFString alloc]
initWithCString: ed->Name
encoding: encoding];
@try {
[IRIs addObject: [IRI
IRIByAppendingPathComponent: file]];
} @finally {
[file release];
}
}
} @finally {
ReleaseDirContext(context);
}
# else
struct FileInfoBlock fib;
if (!Examine(lock, &fib))
@throw [OFOpenItemFailedException
exceptionWithIRI: IRI
mode: nil
errNo: lastError()];
while (ExNext(lock, &fib)) {
OFString *file = [[OFString alloc]
initWithCString: fib.fib_FileName
encoding: encoding];
@try {
[IRIs addObject:
[IRI IRIByAppendingPathComponent: file]];
} @finally {
[file release];
}
}
# endif
if (IoErr() != ERROR_NO_MORE_ENTRIES)
@throw [OFReadFailedException
exceptionWithObject: self
requestedLength: 0
errNo: lastError()];
} @finally {
UnLock(lock);
}
#else
OFStringEncoding encoding = [OFLocale encoding];
DIR *dir;
if ((dir = opendir([path cStringWithEncoding: encoding])) == NULL)
@throw [OFOpenItemFailedException exceptionWithIRI: IRI
mode: nil
errNo: errno];
# if !defined(HAVE_READDIR_R) && defined(OF_HAVE_THREADS)
@try {
[readdirMutex lock];
} @catch (id e) {
closedir(dir);
@throw e;
}
# endif
@try {
for (;;) {
struct dirent *dirent;
# ifdef HAVE_READDIR_R
struct dirent buffer;
# endif
OFString *file;
# ifdef HAVE_READDIR_R
if (readdir_r(dir, &buffer, &dirent) != 0)
@throw [OFReadFailedException
exceptionWithObject: self
requestedLength: 0
errNo: errno];
if (dirent == NULL)
break;
# else
errno = 0;
if ((dirent = readdir(dir)) == NULL) {
if (errno == 0)
break;
else
@throw [OFReadFailedException
exceptionWithObject: self
requestedLength: 0
errNo: errno];
}
# endif
if (strcmp(dirent->d_name, ".") == 0 ||
strcmp(dirent->d_name, "..") == 0)
continue;
file = [[OFString alloc] initWithCString: dirent->d_name
encoding: encoding];
@try {
[IRIs addObject:
[IRI IRIByAppendingPathComponent: file]];
} @finally {
[file release];
}
}
} @finally {
closedir(dir);
# if !defined(HAVE_READDIR_R) && defined(OF_HAVE_THREADS)
[readdirMutex unlock];
# endif
}
#endif
[IRIs makeImmutable];
objc_autoreleasePoolPop(pool);
return IRIs;
}
- (void)removeItemAtIRI: (OFIRI *)IRI
{
void *pool = objc_autoreleasePoolPush();
OFString *path;
int error;
Stat s;
if (IRI == nil)
@throw [OFInvalidArgumentException exception];
if (![IRI.scheme isEqual: _scheme])
@throw [OFInvalidArgumentException exception];
path = IRI.fileSystemRepresentation;
if ((error = lstatWrapper(path, &s)) != 0)
@throw [OFRemoveItemFailedException exceptionWithIRI: IRI
errNo: error];
if (S_ISDIR(s.st_mode)) {
OFArray OF_GENERIC(OFIRI *) *contents;
@try {
contents = [self contentsOfDirectoryAtIRI: IRI];
} @catch (id e) {
/*
* Only convert exceptions to
* OFRemoveItemFailedException that have an errNo
* property. This covers all I/O related exceptions
* from the operations used to remove an item, all
* others should be left as is.
*/
if ([e respondsToSelector: @selector(errNo)])
@throw [OFRemoveItemFailedException
exceptionWithIRI: IRI
errNo: [e errNo]];
@throw e;
}
for (OFIRI *item in contents) {
void *pool2 = objc_autoreleasePoolPush();
[self removeItemAtIRI: item];
objc_autoreleasePoolPop(pool2);
}
#ifndef OF_AMIGAOS
int status;
# ifdef OF_WINDOWS
if ([OFSystemInfo isWindowsNT])
status = _wrmdir(path.UTF16String);
else
# endif
status = rmdir(
[path cStringWithEncoding: [OFLocale encoding]]);
if (status != 0)
@throw [OFRemoveItemFailedException
exceptionWithIRI: IRI
errNo: errno];
} else {
int status;
# ifdef OF_WINDOWS
if ([OFSystemInfo isWindowsNT])
status = _wunlink(path.UTF16String);
else
# endif
status = unlink(
[path cStringWithEncoding: [OFLocale encoding]]);
if (status != 0)
@throw [OFRemoveItemFailedException
exceptionWithIRI: IRI
errNo: errno];
#endif
}
#ifdef OF_AMIGAOS
if (!DeleteFile([path cStringWithEncoding: [OFLocale encoding]]))
@throw [OFRemoveItemFailedException
exceptionWithIRI: IRI
errNo: lastError()];
#endif
objc_autoreleasePoolPop(pool);
}
#ifdef OF_FILE_MANAGER_SUPPORTS_LINKS
- (void)linkItemAtIRI: (OFIRI *)source toIRI: (OFIRI *)destination
{
void *pool = objc_autoreleasePoolPush();
OFString *sourcePath, *destinationPath;
if (source == nil || destination == nil)
@throw [OFInvalidArgumentException exception];
if (![source.scheme isEqual: _scheme] ||
![destination.scheme isEqual: _scheme])
@throw [OFInvalidArgumentException exception];
sourcePath = source.fileSystemRepresentation;
destinationPath = destination.fileSystemRepresentation;
# ifndef OF_WINDOWS
OFStringEncoding encoding = [OFLocale encoding];
if (link([sourcePath cStringWithEncoding: encoding],
[destinationPath cStringWithEncoding: encoding]) != 0)
@throw [OFLinkItemFailedException
exceptionWithSourceIRI: source
destinationIRI: destination
errNo: errno];
# else
if (createHardLinkWFuncPtr == NULL)
@throw [OFNotImplementedException exceptionWithSelector: _cmd
object: self];
if (!createHardLinkWFuncPtr(destinationPath.UTF16String,
sourcePath.UTF16String, NULL))
@throw [OFLinkItemFailedException
exceptionWithSourceIRI: source
destinationIRI: destination
errNo: lastError()];
# endif
objc_autoreleasePoolPop(pool);
}
#endif
#ifdef OF_FILE_MANAGER_SUPPORTS_SYMLINKS
- (void)createSymbolicLinkAtIRI: (OFIRI *)IRI
withDestinationPath: (OFString *)target
{
void *pool = objc_autoreleasePoolPush();
OFString *path;
if (IRI == nil || target == nil)
@throw [OFInvalidArgumentException exception];
if (![IRI.scheme isEqual: _scheme])
@throw [OFInvalidArgumentException exception];
path = IRI.fileSystemRepresentation;
# ifndef OF_WINDOWS
OFStringEncoding encoding = [OFLocale encoding];
if (symlink([target cStringWithEncoding: encoding],
[path cStringWithEncoding: encoding]) != 0)
@throw [OFCreateSymbolicLinkFailedException
exceptionWithIRI: IRI
target: target
errNo: errno];
# else
if (createSymbolicLinkWFuncPtr == NULL)
@throw [OFNotImplementedException exceptionWithSelector: _cmd
object: self];
if (!createSymbolicLinkWFuncPtr(path.UTF16String, target.UTF16String,
0))
@throw [OFCreateSymbolicLinkFailedException
exceptionWithIRI: IRI
target: target
errNo: lastError()];
# endif
objc_autoreleasePoolPop(pool);
}
#endif
- (bool)moveItemAtIRI: (OFIRI *)source toIRI: (OFIRI *)destination
{
void *pool;
if (![source.scheme isEqual: _scheme] ||
![destination.scheme isEqual: _scheme])
return false;
if ([self fileExistsAtIRI: destination])
@throw [OFMoveItemFailedException
exceptionWithSourceIRI: source
destinationIRI: destination
errNo: EEXIST];
pool = objc_autoreleasePoolPush();
#ifdef OF_AMIGAOS
OFStringEncoding encoding = [OFLocale encoding];
if (!Rename([source.fileSystemRepresentation
cStringWithEncoding: encoding],
[destination.fileSystemRepresentation
cStringWithEncoding: encoding]))
@throw [OFMoveItemFailedException
exceptionWithSourceIRI: source
destinationIRI: destination
errNo: lastError()];
#else
int status;
# ifdef OF_WINDOWS
if ([OFSystemInfo isWindowsNT])
status = _wrename(source.fileSystemRepresentation.UTF16String,
destination.fileSystemRepresentation.UTF16String);
else {
# endif
OFStringEncoding encoding = [OFLocale encoding];
status = rename([source.fileSystemRepresentation
cStringWithEncoding: encoding],
[destination.fileSystemRepresentation
cStringWithEncoding: encoding]);
# ifdef OF_WINDOWS
}
# endif
if (status != 0)
@throw [OFMoveItemFailedException
exceptionWithSourceIRI: source
destinationIRI: destination
errNo: errno];
#endif
objc_autoreleasePoolPop(pool);
return true;
}
#ifdef OF_FILE_MANAGER_SUPPORTS_EXTENDED_ATTRIBUTES
- (void)getExtendedAttributeData: (OFData **)data
andType: (id *)type
forName: (OFString *)name
ofItemAtIRI: (OFIRI *)IRI
{
void *pool = objc_autoreleasePoolPush();
OFString *path = IRI.fileSystemRepresentation;
OFStringEncoding encoding = [OFLocale encoding];
const char *cPath = [path cStringWithEncoding: encoding];
void *value = NULL;
# if defined(OF_LINUX) || defined(OF_MACOS)
const char *cName = [name cStringWithEncoding: encoding];
# if defined(OF_LINUX)
ssize_t size = lgetxattr(cPath, cName, NULL, 0);
# elif defined(OF_MACOS)
ssize_t size = getxattr(cPath, cName, NULL, 0, 0, XATTR_NOFOLLOW);
# endif
if (size < 0)
@throw [OFGetItemAttributesFailedException
exceptionWithIRI: IRI
errNo: errno];
value = OFAllocMemory(1, size);
@try {
# if defined(OF_LINUX)
if ((size = lgetxattr(cPath, cName, value, size)) < 0)
# elif defined(OF_MACOS)
if ((size = getxattr(cPath, cName, value, size, 0,
XATTR_NOFOLLOW)) < 0)
# endif
@throw [OFGetItemAttributesFailedException
exceptionWithIRI: IRI
errNo: errno];
*data = [OFData dataWithItemsNoCopy: value
count: size
freeWhenDone: true];
value = NULL;
} @finally {
OFFreeMemory(value);
}
if (type != NULL)
*type = nil;
# elif defined(OF_FREEBSD) || defined(OF_NETBSD)
int namespace;
const char *cName;
ssize_t size;
parseAttributeName(&name, &namespace);
cName = [name cStringWithEncoding: encoding];
if ((size = extattr_get_link(cPath, namespace, cName, NULL, 0)) < 0)
@throw [OFGetItemAttributesFailedException
exceptionWithIRI: IRI
errNo: errno];
value = OFAllocMemory(1, size);
@try {
if ((size = extattr_get_link(cPath, namespace, cName,
value, size)) < 0)
@throw [OFGetItemAttributesFailedException
exceptionWithIRI: IRI
errNo: errno];
*data = [OFData dataWithItemsNoCopy: value
count: size
freeWhenDone: true];
value = NULL;
} @finally {
OFFreeMemory(value);
}
if (type != NULL)
*type = nil;
# elif defined(OF_HAIKU)
const char *cName = [name cStringWithEncoding: encoding];
int fd = open(cPath, O_RDONLY);
struct attr_info info;
if (fd == -1)
@throw [OFGetItemAttributesFailedException
exceptionWithIRI: IRI
errNo: errno];
@try {
if (fs_stat_attr(fd, cName, &info) != 0)
@throw [OFGetItemAttributesFailedException
exceptionWithIRI: IRI
errNo: errno];
if (info.size < 0 || info.size > SSIZE_MAX)
@throw [OFOutOfRangeException exception];
value = OFAllocMemory(1, (size_t)info.size);
errno = 0;
if (fs_read_attr(fd, cName, B_ANY_TYPE, 0, value,
(size_t)info.size) != (ssize_t)info.size)
@throw [OFGetItemAttributesFailedException
exceptionWithIRI: IRI
errNo: errno];
*data = [OFData dataWithItemsNoCopy: value
count: (size_t)info.size
freeWhenDone: true];
value = NULL;
if (type != NULL)
*type = [OFNumber numberWithUnsignedLong: info.type];
} @finally {
OFFreeMemory(value);
close(fd);
}
# endif
[*data retain];
if (type != NULL)
[*type retain];
objc_autoreleasePoolPop(pool);
[*data autorelease];
if (type != NULL)
[*type autorelease];
}
- (void)setExtendedAttributeData: (OFData *)data
andType: (id)type
forName: (OFString *)name
ofItemAtIRI: (OFIRI *)IRI
{
void *pool = objc_autoreleasePoolPush();
OFString *path = IRI.fileSystemRepresentation;
OFStringEncoding encoding = [OFLocale encoding];
const char *cPath = [path cStringWithEncoding: encoding];
size_t size = data.count * data.itemSize;
# if defined(OF_LINUX) || defined(OF_MACOS)
const char *cName = [name cStringWithEncoding: encoding];
if (type != nil)
@throw [OFNotImplementedException exceptionWithSelector: _cmd
object: self];
# if defined(OF_LINUX)
if (lsetxattr(cPath, cName, data.items, size, 0) != 0) {
# elif defined(OF_MACOS)
if (setxattr(cPath, cName, data.items, size, 0, XATTR_NOFOLLOW) != 0) {
# endif
int errNo = errno;
/* TODO: Add an attribute (prefix?) for extended attributes? */
@throw [OFSetItemAttributesFailedException
exceptionWithIRI: IRI
attributes: [OFDictionary dictionary]
failedAttribute: @""
errNo: errNo];
}
# elif defined(OF_FREEBSD) || defined(OF_NETBSD)
int namespace;
const char *cName;
if (size > SSIZE_MAX)
@throw [OFOutOfRangeException exception];
if (type != nil)
@throw [OFNotImplementedException exceptionWithSelector: _cmd
object: self];
parseAttributeName(&name, &namespace);
cName = [name cStringWithEncoding: encoding];
if (extattr_set_link(cPath, namespace, cName, data.items, size) !=
(ssize_t)size) {
int errNo = errno;
/* TODO: Add an attribute (prefix?) for extended attributes? */
@throw [OFSetItemAttributesFailedException
exceptionWithIRI: IRI
attributes: [OFDictionary dictionary]
failedAttribute: @""
errNo: errNo];
}
# elif defined(OF_HAIKU)
const char *cName = [name cStringWithEncoding: encoding];
unsigned long long typeInt;
int fd;
if (type != nil && ![type isKindOfClass: [OFNumber class]])
@throw [OFInvalidArgumentException exception];
typeInt = (type != nil ? [type unsignedLongLongValue] : 0);
if (typeInt > UINT32_MAX)
@throw [OFInvalidArgumentException exception];
if (size > SSIZE_MAX)
@throw [OFOutOfRangeException exception];
if ((fd = open(cPath, O_WRONLY)) == -1) {
int errNo = errno;
/* TODO: Add an attribute (prefix?) for extended attributes? */
@throw [OFSetItemAttributesFailedException
exceptionWithIRI: IRI
attributes: [OFDictionary dictionary]
failedAttribute: @""
errNo: errNo];
}
@try {
if (fs_write_attr(fd, cName, (uint32_t)typeInt, 0,
data.items, size) != (ssize_t)size) {
int errNo = errno;
/*
* TODO: Add an attribute (prefix?) for extended
* attributes?
*/
@throw [OFSetItemAttributesFailedException
exceptionWithIRI: IRI
attributes: [OFDictionary dictionary]
failedAttribute: @""
errNo: errNo];
}
} @finally {
close(fd);
}
# endif
objc_autoreleasePoolPop(pool);
}
- (void)removeExtendedAttributeForName: (OFString *)name
ofItemAtIRI: (OFIRI *)IRI
{
void *pool = objc_autoreleasePoolPush();
OFString *path = IRI.fileSystemRepresentation;
OFStringEncoding encoding = [OFLocale encoding];
const char *cPath = [path cStringWithEncoding: encoding];
# if defined(OF_LINUX) || defined(OF_MACOS)
const char *cName = [name cStringWithEncoding: encoding];
# if defined(OF_LINUX)
if (lremovexattr(cPath, cName) != 0) {
# elif defined(OF_MACOS)
if (removexattr(cPath, cName, XATTR_NOFOLLOW) != 0) {
# endif
int errNo = errno;
/* TODO: Add an attribute (prefix?) for extended attributes? */
@throw [OFSetItemAttributesFailedException
exceptionWithIRI: IRI
attributes: [OFDictionary dictionary]
failedAttribute: @""
errNo: errNo];
}
# elif defined(OF_FREEBSD) || defined(OF_NETBSD)
int namespace;
const char *cName;
parseAttributeName(&name, &namespace);
cName = [name cStringWithEncoding: encoding];
if (extattr_delete_link(cPath, namespace, cName) != 0) {
int errNo = errno;
/* TODO: Add an attribute (prefix?) for extended attributes? */
@throw [OFSetItemAttributesFailedException
exceptionWithIRI: IRI
attributes: [OFDictionary dictionary]
failedAttribute: @""
errNo: errNo];
}
# elif defined(OF_HAIKU)
int fd;
if ((fd = open(cPath, O_WRONLY)) == -1) {
int errNo = errno;
/* TODO: Add an attribute (prefix?) for extended attributes? */
@throw [OFSetItemAttributesFailedException
exceptionWithIRI: IRI
attributes: [OFDictionary dictionary]
failedAttribute: @""
errNo: errNo];
}
@try {
if (fs_remove_attr(fd, cName) != 0) {
int errNo = errno;
/*
* TODO: Add an attribute (prefix?) for extended
* attributes?
*/
@throw [OFSetItemAttributesFailedException
exceptionWithIRI: IRI
attributes: [OFDictionary dictionary]
failedAttribute: @""
errNo: errNo];
}
} @finally {
close(fd);
}
# endif
objc_autoreleasePoolPop(pool);
}
#endif
@end