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Diffstat (limited to 'ANDROID_3.4.5/fs/reiserfs/xattr_security.c')
-rw-r--r--ANDROID_3.4.5/fs/reiserfs/xattr_security.c120
1 files changed, 0 insertions, 120 deletions
diff --git a/ANDROID_3.4.5/fs/reiserfs/xattr_security.c b/ANDROID_3.4.5/fs/reiserfs/xattr_security.c
deleted file mode 100644
index 800a3cef..00000000
--- a/ANDROID_3.4.5/fs/reiserfs/xattr_security.c
+++ /dev/null
@@ -1,120 +0,0 @@
-#include "reiserfs.h"
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/pagemap.h>
-#include <linux/xattr.h>
-#include <linux/slab.h>
-#include "xattr.h"
-#include <linux/security.h>
-#include <asm/uaccess.h>
-
-static int
-security_get(struct dentry *dentry, const char *name, void *buffer, size_t size,
- int handler_flags)
-{
- if (strlen(name) < sizeof(XATTR_SECURITY_PREFIX))
- return -EINVAL;
-
- if (IS_PRIVATE(dentry->d_inode))
- return -EPERM;
-
- return reiserfs_xattr_get(dentry->d_inode, name, buffer, size);
-}
-
-static int
-security_set(struct dentry *dentry, const char *name, const void *buffer,
- size_t size, int flags, int handler_flags)
-{
- if (strlen(name) < sizeof(XATTR_SECURITY_PREFIX))
- return -EINVAL;
-
- if (IS_PRIVATE(dentry->d_inode))
- return -EPERM;
-
- return reiserfs_xattr_set(dentry->d_inode, name, buffer, size, flags);
-}
-
-static size_t security_list(struct dentry *dentry, char *list, size_t list_len,
- const char *name, size_t namelen, int handler_flags)
-{
- const size_t len = namelen + 1;
-
- if (IS_PRIVATE(dentry->d_inode))
- return 0;
-
- if (list && len <= list_len) {
- memcpy(list, name, namelen);
- list[namelen] = '\0';
- }
-
- return len;
-}
-
-/* Initializes the security context for a new inode and returns the number
- * of blocks needed for the transaction. If successful, reiserfs_security
- * must be released using reiserfs_security_free when the caller is done. */
-int reiserfs_security_init(struct inode *dir, struct inode *inode,
- const struct qstr *qstr,
- struct reiserfs_security_handle *sec)
-{
- int blocks = 0;
- int error;
-
- sec->name = NULL;
-
- /* Don't add selinux attributes on xattrs - they'll never get used */
- if (IS_PRIVATE(dir))
- return 0;
-
- error = security_old_inode_init_security(inode, dir, qstr, &sec->name,
- &sec->value, &sec->length);
- if (error) {
- if (error == -EOPNOTSUPP)
- error = 0;
-
- sec->name = NULL;
- sec->value = NULL;
- sec->length = 0;
- return error;
- }
-
- if (sec->length && reiserfs_xattrs_initialized(inode->i_sb)) {
- blocks = reiserfs_xattr_jcreate_nblocks(inode) +
- reiserfs_xattr_nblocks(inode, sec->length);
- /* We don't want to count the directories twice if we have
- * a default ACL. */
- REISERFS_I(inode)->i_flags |= i_has_xattr_dir;
- }
- return blocks;
-}
-
-int reiserfs_security_write(struct reiserfs_transaction_handle *th,
- struct inode *inode,
- struct reiserfs_security_handle *sec)
-{
- int error;
- if (strlen(sec->name) < sizeof(XATTR_SECURITY_PREFIX))
- return -EINVAL;
-
- error = reiserfs_xattr_set_handle(th, inode, sec->name, sec->value,
- sec->length, XATTR_CREATE);
- if (error == -ENODATA || error == -EOPNOTSUPP)
- error = 0;
-
- return error;
-}
-
-void reiserfs_security_free(struct reiserfs_security_handle *sec)
-{
- kfree(sec->name);
- kfree(sec->value);
- sec->name = NULL;
- sec->value = NULL;
-}
-
-const struct xattr_handler reiserfs_xattr_security_handler = {
- .prefix = XATTR_SECURITY_PREFIX,
- .get = security_get,
- .set = security_set,
- .list = security_list,
-};