ObjFW  Check-in [1576930485]

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Comment:Support for extended attributes on macOS
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SHA3-256: 15769304855fa7be00d1a850308c0926601d69f0d9cf92529414bbd566198fe1
User & Date: js on 2023-01-23 22:46:25
Other Links: manifest | tags
Context
2023-01-23
23:19
ofhttp: Set com.apple.quarantine on macOS check-in: a4ac11954b user: js tags: trunk
22:46
Support for extended attributes on macOS check-in: 1576930485 user: js tags: trunk
2023-01-22
23:01
Support for removing extended attributes on Linux check-in: 5a553951a5 user: js tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Modified src/OFFileIRIHandler.m from [1c1ffcead0] to [bd2c9036f6].

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#include "unistd_wrapper.h"

#include "platform.h"
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
#include <sys/time.h>
#ifdef OF_LINUX
# include <sys/xattr.h>
#endif
#ifdef OF_WINDOWS
# include <utime.h>
#endif
#ifdef OF_DJGPP
# include <syslimits.h>








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#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
#ifdef OF_WINDOWS
# include <utime.h>
#endif
#ifdef OF_DJGPP
# include <syslimits.h>
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	} @finally {
		CloseHandle(handle);
	}
# endif
}
#endif

#ifdef OF_LINUX
static void
setExtendedAttributes(OFMutableFileAttributes attributes, OFIRI *IRI)
{
	OFString *path = IRI.fileSystemRepresentation;
	OFStringEncoding encoding = [OFLocale encoding];
	const char *cPath = [path cStringWithEncoding: encoding];

	ssize_t size = llistxattr(cPath, NULL, 0);



	char *list = OFAllocMemory(1, size);
	OFMutableArray *names = nil;

	@try {
		char *name;


		if ((size = llistxattr(cPath, list, size)) < 0)



			return;

		names = [OFMutableArray array];
		name = list;

		while (size > 0) {
			size_t length = strlen(name);








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	} @finally {
		CloseHandle(handle);
	}
# 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];
# 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 = OFAllocMemory(1, size);
	OFMutableArray *names = nil;

	@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);
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	setDateAttributes(ret, &s);

#ifdef OF_FILE_MANAGER_SUPPORTS_SYMLINKS
	if (S_ISLNK(s.st_mode))
		setSymbolicLinkDestinationAttribute(ret, IRI);
#endif

#ifdef OF_LINUX
	setExtendedAttributes(ret, IRI);
#endif

	objc_autoreleasePoolPop(pool);

	return ret;
}








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	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;
}
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#endif

	objc_autoreleasePoolPop(pool);

	return true;
}

#ifdef OF_LINUX

- (OFData *)extendedAttributeForName: (OFString *)name ofItemAtIRI: (OFIRI *)IRI
{
	void *pool = objc_autoreleasePoolPush();
	OFString *path = IRI.fileSystemRepresentation;
	OFStringEncoding encoding = [OFLocale encoding];
	const char *cPath = [path cStringWithEncoding: encoding];
	const char *cName = [name cStringWithEncoding: encoding];

	ssize_t size = lgetxattr(cPath, cName, NULL, 0);



	void *value = OFAllocMemory(1, size);
	OFData *data;

	@try {

		if ((size = lgetxattr(cPath, cName, value, size)) < 0)




			@throw [OFGetItemAttributesFailedException
			    exceptionWithIRI: IRI
				       errNo: errno];

		data = [OFData dataWithItems: value count: size];
	} @finally {
		OFFreeMemory(value);








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#endif

	objc_autoreleasePoolPop(pool);

	return true;
}

#ifdef OF_FILE_MANAGER_SUPPORTS_EXTENDED_ATTRIBUTES
- (OFData *)extendedAttributeDataForName: (OFString *)name
			     ofItemAtIRI: (OFIRI *)IRI
{
	void *pool = objc_autoreleasePoolPush();
	OFString *path = IRI.fileSystemRepresentation;
	OFStringEncoding encoding = [OFLocale encoding];
	const char *cPath = [path cStringWithEncoding: encoding];
	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
	void *value = OFAllocMemory(1, size);
	OFData *data;

	@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 dataWithItems: value count: size];
	} @finally {
		OFFreeMemory(value);
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			 forName: (OFString *)name
		     ofItemAtIRI: (OFIRI *)IRI
{
	void *pool = objc_autoreleasePoolPush();
	OFString *path = IRI.fileSystemRepresentation;
	OFStringEncoding encoding = [OFLocale encoding];


	if (lsetxattr([path cStringWithEncoding: encoding],
	    [name cStringWithEncoding: encoding], data.items,
	    data.count * data.itemSize, 0) != 0) {





		int errNo = errno;

		/* TODO: Add an attribute (prefix?) for extended attributes? */
		@throw [OFSetItemAttributesFailedException
		    exceptionWithIRI: IRI
			  attributes: [OFDictionary dictionary]
		     failedAttribute: @""
			       errNo: errNo];
	}

	objc_autoreleasePoolPop(pool);
}

- (void)removeExtendedAttributeForName: (OFString *)name
			   ofItemAtIRI: (OFIRI *)IRI
{
	void *pool = objc_autoreleasePoolPush();
	OFString *path = IRI.fileSystemRepresentation;
	OFStringEncoding encoding = [OFLocale encoding];


	if (lremovexattr([path cStringWithEncoding: encoding],
	    [name cStringWithEncoding: encoding]) != 0) {




		int errNo = errno;

		/* TODO: Add an attribute (prefix?) for extended attributes? */
		@throw [OFSetItemAttributesFailedException
		    exceptionWithIRI: IRI
			  attributes: [OFDictionary dictionary]
		     failedAttribute: @""








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			 forName: (OFString *)name
		     ofItemAtIRI: (OFIRI *)IRI
{
	void *pool = objc_autoreleasePoolPush();
	OFString *path = IRI.fileSystemRepresentation;
	OFStringEncoding encoding = [OFLocale encoding];

# if defined(OF_LINUX)
	if (lsetxattr([path cStringWithEncoding: encoding],
	    [name cStringWithEncoding: encoding], data.items,
	    data.count * data.itemSize, 0) != 0) {
# elif defined(OF_MACOS)
	if (setxattr([path cStringWithEncoding: encoding],
	    [name cStringWithEncoding: encoding], data.items,
	    data.count * data.itemSize, 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];
	}

	objc_autoreleasePoolPop(pool);
}

- (void)removeExtendedAttributeForName: (OFString *)name
			   ofItemAtIRI: (OFIRI *)IRI
{
	void *pool = objc_autoreleasePoolPush();
	OFString *path = IRI.fileSystemRepresentation;
	OFStringEncoding encoding = [OFLocale encoding];

# if defined(OF_LINUX)
	if (lremovexattr([path cStringWithEncoding: encoding],
	    [name cStringWithEncoding: encoding]) != 0) {
# elif defined(OF_MACOS)
	if (removexattr([path cStringWithEncoding: encoding],
	    [name cStringWithEncoding: encoding], XATTR_NOFOLLOW) != 0) {
# endif
		int errNo = errno;

		/* TODO: Add an attribute (prefix?) for extended attributes? */
		@throw [OFSetItemAttributesFailedException
		    exceptionWithIRI: IRI
			  attributes: [OFDictionary dictionary]
		     failedAttribute: @""
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Modified src/OFFileManager.h from [a24032e0b0] to [eca60449c1].

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# endif
# if (defined(OF_HAVE_LINK) && !defined(OF_AMIGAOS)) || defined(OF_WINDOWS)
#  define OF_FILE_MANAGER_SUPPORTS_LINKS
# endif
# if (defined(OF_HAVE_SYMLINK) && !defined(OF_AMIGAOS)) || defined(OF_WINDOWS)
#  define OF_FILE_MANAGER_SUPPORTS_SYMLINKS
# endif
# ifdef OF_LINUX
#  define OF_FILE_MANAGER_SUPPORTS_EXTENDED_ATTRIBUTES
# endif
#endif

@class OFArray OF_GENERIC(ObjectType);
@class OFConstantString;
@class OFDate;








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# endif
# if (defined(OF_HAVE_LINK) && !defined(OF_AMIGAOS)) || defined(OF_WINDOWS)
#  define OF_FILE_MANAGER_SUPPORTS_LINKS
# endif
# if (defined(OF_HAVE_SYMLINK) && !defined(OF_AMIGAOS)) || defined(OF_WINDOWS)
#  define OF_FILE_MANAGER_SUPPORTS_SYMLINKS
# endif
# if defined(OF_LINUX) || defined(OF_MACOS)
#  define OF_FILE_MANAGER_SUPPORTS_EXTENDED_ATTRIBUTES
# endif
#endif

@class OFArray OF_GENERIC(ObjectType);
@class OFConstantString;
@class OFDate;
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