1 files changed, 82 insertions, 0 deletions
diff --git a/security/tomoyo/proxy.c b/security/tomoyo/proxy.c
new file mode 100644
index 000000000000..1618cc0f2af8
--- /dev/null
+++ b/security/tomoyo/proxy.c
@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * security/tomoyo/proxy.c
+ *
+ * Copyright (C) 2005-2011  NTT DATA CORPORATION
+ */
+
+#include <linux/security.h>
+#include "common.h"
+
+#ifdef CONFIG_SECURITY_TOMOYO_LKM
+
+struct tomoyo_task *tomoyo_task(struct task_struct *task)
+{
+	struct tomoyo_task *s = task->security + tomoyo_blob_sizes.lbs_task;
+
+	if (unlikely(!s->domain_info)) {
+		if (likely(task == current)) {
+			s->domain_info = &tomoyo_kernel_domain;
+			atomic_inc(&tomoyo_kernel_domain.users);
+		} else {
+			/* Caller handles s->domain_info == NULL case. */
+		}
+	}
+	return s;
+}
+
+#include "hooks.h"
+
+/**
+ * tomoyo_runtime_init - Register TOMOYO Linux as a loadable LSM module.
+ *
+ * Returns 0 if TOMOYO is enabled, -EINVAL otherwise.
+ */
+static int __init tomoyo_runtime_init(void)
+{
+	const struct tomoyo_hooks tomoyo_hooks = {
+		.cred_prepare = tomoyo_cred_prepare,
+		.bprm_committed_creds = tomoyo_bprm_committed_creds,
+		.task_alloc = tomoyo_task_alloc,
+		.task_free = tomoyo_task_free,
+		.bprm_check_security = tomoyo_bprm_check_security,
+		.file_fcntl = tomoyo_file_fcntl,
+		.file_open = tomoyo_file_open,
+		.file_truncate = tomoyo_file_truncate,
+		.path_truncate = tomoyo_path_truncate,
+		.path_unlink = tomoyo_path_unlink,
+		.path_mkdir = tomoyo_path_mkdir,
+		.path_rmdir = tomoyo_path_rmdir,
+		.path_symlink = tomoyo_path_symlink,
+		.path_mknod = tomoyo_path_mknod,
+		.path_link = tomoyo_path_link,
+		.path_rename = tomoyo_path_rename,
+		.inode_getattr = tomoyo_inode_getattr,
+		.file_ioctl = tomoyo_file_ioctl,
+		.file_ioctl_compat = tomoyo_file_ioctl,
+		.path_chmod = tomoyo_path_chmod,
+		.path_chown = tomoyo_path_chown,
+		.path_chroot = tomoyo_path_chroot,
+		.sb_mount = tomoyo_sb_mount,
+		.sb_umount = tomoyo_sb_umount,
+		.sb_pivotroot = tomoyo_sb_pivotroot,
+		.socket_bind = tomoyo_socket_bind,
+		.socket_connect = tomoyo_socket_connect,
+		.socket_listen = tomoyo_socket_listen,
+		.socket_sendmsg = tomoyo_socket_sendmsg,
+	};
+
+	if (!tomoyo_ops.enabled)
+		return -EINVAL;
+	tomoyo_ops.check_profile = tomoyo_check_profile;
+	pr_info("TOMOYO Linux initialized\n");
+	tomoyo_task(current);
+	tomoyo_mm_init();
+	tomoyo_interface_init();
+	tomoyo_register_hooks(&tomoyo_hooks);
+	return 0;
+}
+module_init(tomoyo_runtime_init);
+MODULE_LICENSE("GPL");
+
+#endif