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Diffstat (limited to 'fs/hfsplus/posix_acl.c')
-rw-r--r--fs/hfsplus/posix_acl.c144
1 files changed, 0 insertions, 144 deletions
diff --git a/fs/hfsplus/posix_acl.c b/fs/hfsplus/posix_acl.c
deleted file mode 100644
index 066114dcc3a2..000000000000
--- a/fs/hfsplus/posix_acl.c
+++ /dev/null
@@ -1,144 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * linux/fs/hfsplus/posix_acl.c
- *
- * Vyacheslav Dubeyko <slava@dubeyko.com>
- *
- * Handler for Posix Access Control Lists (ACLs) support.
- */
-
-#include "hfsplus_fs.h"
-#include "xattr.h"
-#include "acl.h"
-
-struct posix_acl *hfsplus_get_posix_acl(struct inode *inode, int type)
-{
- struct posix_acl *acl;
- char *xattr_name;
- char *value = NULL;
- ssize_t size;
-
- hfs_dbg(ACL_MOD, "[%s]: ino %lu\n", __func__, inode->i_ino);
-
- switch (type) {
- case ACL_TYPE_ACCESS:
- xattr_name = XATTR_NAME_POSIX_ACL_ACCESS;
- break;
- case ACL_TYPE_DEFAULT:
- xattr_name = XATTR_NAME_POSIX_ACL_DEFAULT;
- break;
- default:
- return ERR_PTR(-EINVAL);
- }
-
- size = __hfsplus_getxattr(inode, xattr_name, NULL, 0);
-
- if (size > 0) {
- value = (char *)hfsplus_alloc_attr_entry();
- if (unlikely(!value))
- return ERR_PTR(-ENOMEM);
- size = __hfsplus_getxattr(inode, xattr_name, value, size);
- }
-
- if (size > 0)
- acl = posix_acl_from_xattr(&init_user_ns, value, size);
- else if (size == -ENODATA)
- acl = NULL;
- else
- acl = ERR_PTR(size);
-
- hfsplus_destroy_attr_entry((hfsplus_attr_entry *)value);
-
- return acl;
-}
-
-static int __hfsplus_set_posix_acl(struct inode *inode, struct posix_acl *acl,
- int type)
-{
- int err;
- char *xattr_name;
- size_t size = 0;
- char *value = NULL;
-
- hfs_dbg(ACL_MOD, "[%s]: ino %lu\n", __func__, inode->i_ino);
-
- switch (type) {
- case ACL_TYPE_ACCESS:
- xattr_name = XATTR_NAME_POSIX_ACL_ACCESS;
- break;
-
- case ACL_TYPE_DEFAULT:
- xattr_name = XATTR_NAME_POSIX_ACL_DEFAULT;
- if (!S_ISDIR(inode->i_mode))
- return acl ? -EACCES : 0;
- break;
-
- default:
- return -EINVAL;
- }
-
- if (acl) {
- size = posix_acl_xattr_size(acl->a_count);
- if (unlikely(size > HFSPLUS_MAX_INLINE_DATA_SIZE))
- return -ENOMEM;
- value = (char *)hfsplus_alloc_attr_entry();
- if (unlikely(!value))
- return -ENOMEM;
- err = posix_acl_to_xattr(&init_user_ns, acl, value, size);
- if (unlikely(err < 0))
- goto end_set_acl;
- }
-
- err = __hfsplus_setxattr(inode, xattr_name, value, size, 0);
-
-end_set_acl:
- hfsplus_destroy_attr_entry((hfsplus_attr_entry *)value);
-
- if (!err)
- set_cached_acl(inode, type, acl);
-
- return err;
-}
-
-int hfsplus_set_posix_acl(struct inode *inode, struct posix_acl *acl, int type)
-{
- int err;
-
- if (type == ACL_TYPE_ACCESS && acl) {
- err = posix_acl_update_mode(inode, &inode->i_mode, &acl);
- if (err)
- return err;
- }
- return __hfsplus_set_posix_acl(inode, acl, type);
-}
-
-int hfsplus_init_posix_acl(struct inode *inode, struct inode *dir)
-{
- int err = 0;
- struct posix_acl *default_acl, *acl;
-
- hfs_dbg(ACL_MOD,
- "[%s]: ino %lu, dir->ino %lu\n",
- __func__, inode->i_ino, dir->i_ino);
-
- if (S_ISLNK(inode->i_mode))
- return 0;
-
- err = posix_acl_create(dir, &inode->i_mode, &default_acl, &acl);
- if (err)
- return err;
-
- if (default_acl) {
- err = __hfsplus_set_posix_acl(inode, default_acl,
- ACL_TYPE_DEFAULT);
- posix_acl_release(default_acl);
- }
-
- if (acl) {
- if (!err)
- err = __hfsplus_set_posix_acl(inode, acl,
- ACL_TYPE_ACCESS);
- posix_acl_release(acl);
- }
- return err;
-}