f168d9fd63
The HFS+ Access Control Lists have not worked at all for the past five years, and nobody seems to have noticed. Besides, POSIX draft ACLs are not compatible with MacOS. Drop the feature entirely. Link: http://lkml.kernel.org/r/20180714190608.wtnmmtjqeyladkut@eaf Signed-off-by: Ernesto A. Fernández <ernesto.mnd.fernandez@gmail.com> Acked-by: Christoph Hellwig <hch@lst.de> Cc: Viacheslav Dubeyko <slava@dubeyko.com> Cc: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
79 lines
2 KiB
C
79 lines
2 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* linux/fs/hfsplus/xattr_trusted.c
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*
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* Vyacheslav Dubeyko <slava@dubeyko.com>
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*
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* Handler for storing security labels as extended attributes.
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*/
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#include <linux/security.h>
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#include <linux/nls.h>
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#include "hfsplus_fs.h"
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#include "xattr.h"
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static int hfsplus_security_getxattr(const struct xattr_handler *handler,
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struct dentry *unused, struct inode *inode,
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const char *name, void *buffer, size_t size)
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{
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return hfsplus_getxattr(inode, name, buffer, size,
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XATTR_SECURITY_PREFIX,
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XATTR_SECURITY_PREFIX_LEN);
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}
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static int hfsplus_security_setxattr(const struct xattr_handler *handler,
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struct dentry *unused, struct inode *inode,
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const char *name, const void *buffer,
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size_t size, int flags)
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{
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return hfsplus_setxattr(inode, name, buffer, size, flags,
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XATTR_SECURITY_PREFIX,
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XATTR_SECURITY_PREFIX_LEN);
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}
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static int hfsplus_initxattrs(struct inode *inode,
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const struct xattr *xattr_array,
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void *fs_info)
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{
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const struct xattr *xattr;
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char *xattr_name;
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int err = 0;
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xattr_name = kmalloc(NLS_MAX_CHARSET_SIZE * HFSPLUS_ATTR_MAX_STRLEN + 1,
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GFP_KERNEL);
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if (!xattr_name)
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return -ENOMEM;
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for (xattr = xattr_array; xattr->name != NULL; xattr++) {
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if (!strcmp(xattr->name, ""))
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continue;
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strcpy(xattr_name, XATTR_SECURITY_PREFIX);
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strcpy(xattr_name +
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XATTR_SECURITY_PREFIX_LEN, xattr->name);
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memset(xattr_name +
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XATTR_SECURITY_PREFIX_LEN + strlen(xattr->name), 0, 1);
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err = __hfsplus_setxattr(inode, xattr_name,
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xattr->value, xattr->value_len, 0);
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if (err)
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break;
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}
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kfree(xattr_name);
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return err;
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}
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int hfsplus_init_security(struct inode *inode, struct inode *dir,
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const struct qstr *qstr)
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{
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return security_inode_init_security(inode, dir, qstr,
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&hfsplus_initxattrs, NULL);
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}
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const struct xattr_handler hfsplus_xattr_security_handler = {
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.prefix = XATTR_SECURITY_PREFIX,
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.get = hfsplus_security_getxattr,
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.set = hfsplus_security_setxattr,
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};
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