UBUNTU: SAUCE: Import aufs driver

[mirror_ubuntu-zesty-kernel.git] / security / security.c

diff --git a/security/security.c b/security/security.c
index 4838e7fefa1f100bc01e9b271de5696bf690a7ce..8dd441d1729834d3e2b79bb004dc34edd31f7fa1 100644 (file)
--- a/security/security.c
+++ b/security/security.c
@@ -364,6 +364,15 @@ int security_dentry_init_security(struct dentry *dentry, int mode,
 }
 EXPORT_SYMBOL(security_dentry_init_security);
 
+int security_dentry_create_files_as(struct dentry *dentry, int mode,
+                                   struct qstr *name,
+                                   const struct cred *old, struct cred *new)
+{
+       return call_int_hook(dentry_create_files_as, 0, dentry, mode,
+                               name, old, new);
+}
+EXPORT_SYMBOL(security_dentry_create_files_as);
+
 int security_inode_init_security(struct inode *inode, struct inode *dir,
                                 const struct qstr *qstr,
                                 const initxattrs initxattrs, void *fs_data)
@@ -434,6 +443,7 @@ int security_path_rmdir(const struct path *dir, struct dentry *dentry)
                return 0;
        return call_int_hook(path_rmdir, 0, dir, dentry);
 }
+EXPORT_SYMBOL_GPL(security_path_rmdir);
 
 int security_path_unlink(const struct path *dir, struct dentry *dentry)
 {
@@ -450,6 +460,7 @@ int security_path_symlink(const struct path *dir, struct dentry *dentry,
                return 0;
        return call_int_hook(path_symlink, 0, dir, dentry, old_name);
 }
+EXPORT_SYMBOL_GPL(security_path_symlink);
 
 int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
                       struct dentry *new_dentry)
@@ -458,6 +469,7 @@ int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
                return 0;
        return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry);
 }
+EXPORT_SYMBOL_GPL(security_path_link);
 
 int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
                         const struct path *new_dir, struct dentry *new_dentry,
@@ -485,6 +497,7 @@ int security_path_truncate(const struct path *path)
                return 0;
        return call_int_hook(path_truncate, 0, path);
 }
+EXPORT_SYMBOL_GPL(security_path_truncate);
 
 int security_path_chmod(const struct path *path, umode_t mode)
 {
@@ -492,6 +505,7 @@ int security_path_chmod(const struct path *path, umode_t mode)
                return 0;
        return call_int_hook(path_chmod, 0, path, mode);
 }
+EXPORT_SYMBOL_GPL(security_path_chmod);
 
 int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
 {
@@ -499,6 +513,7 @@ int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
                return 0;
        return call_int_hook(path_chown, 0, path, uid, gid);
 }
+EXPORT_SYMBOL_GPL(security_path_chown);
 
 int security_path_chroot(const struct path *path)
 {
@@ -584,6 +599,7 @@ int security_inode_readlink(struct dentry *dentry)
                return 0;
        return call_int_hook(inode_readlink, 0, dentry);
 }
+EXPORT_SYMBOL_GPL(security_inode_readlink);
 
 int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
                               bool rcu)
@@ -599,6 +615,7 @@ int security_inode_permission(struct inode *inode, int mask)
                return 0;
        return call_int_hook(inode_permission, 0, inode, mask);
 }
+EXPORT_SYMBOL_GPL(security_inode_permission);
 
 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
 {
@@ -748,6 +765,18 @@ void security_inode_getsecid(struct inode *inode, u32 *secid)
        call_void_hook(inode_getsecid, inode, secid);
 }
 
+int security_inode_copy_up(struct dentry *src, struct cred **new)
+{
+       return call_int_hook(inode_copy_up, 0, src, new);
+}
+EXPORT_SYMBOL(security_inode_copy_up);
+
+int security_inode_copy_up_xattr(const char *name)
+{
+       return call_int_hook(inode_copy_up_xattr, -EOPNOTSUPP, name);
+}
+EXPORT_SYMBOL(security_inode_copy_up_xattr);
+
 int security_file_permission(struct file *file, int mask)
 {
        int ret;
@@ -758,6 +787,7 @@ int security_file_permission(struct file *file, int mask)
 
        return fsnotify_perm(file, mask);
 }
+EXPORT_SYMBOL_GPL(security_file_permission);
 
 int security_file_alloc(struct file *file)
 {
@@ -817,6 +847,7 @@ int security_mmap_file(struct file *file, unsigned long prot,
                return ret;
        return ima_file_mmap(file, prot);
 }
+EXPORT_SYMBOL_GPL(security_mmap_file);
 
 int security_mmap_addr(unsigned long addr)
 {
@@ -1623,6 +1654,8 @@ struct security_hook_heads security_hook_heads = {
                LIST_HEAD_INIT(security_hook_heads.sb_parse_opts_str),
        .dentry_init_security =
                LIST_HEAD_INIT(security_hook_heads.dentry_init_security),
+       .dentry_create_files_as =
+               LIST_HEAD_INIT(security_hook_heads.dentry_create_files_as),
 #ifdef CONFIG_SECURITY_PATH
        .path_unlink =  LIST_HEAD_INIT(security_hook_heads.path_unlink),
        .path_mkdir =   LIST_HEAD_INIT(security_hook_heads.path_mkdir),
@@ -1684,6 +1717,10 @@ struct security_hook_heads security_hook_heads = {
                LIST_HEAD_INIT(security_hook_heads.inode_listsecurity),
        .inode_getsecid =
                LIST_HEAD_INIT(security_hook_heads.inode_getsecid),
+       .inode_copy_up =
+               LIST_HEAD_INIT(security_hook_heads.inode_copy_up),
+       .inode_copy_up_xattr =
+               LIST_HEAD_INIT(security_hook_heads.inode_copy_up_xattr),
        .file_permission =
                LIST_HEAD_INIT(security_hook_heads.file_permission),
        .file_alloc_security =