// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2020 Google LLC. */ #include <linux/lsm_hooks.h> #include <linux/bpf_lsm.h> static struct security_hook_list bpf_lsm_hooks[] __lsm_ro_after_init = { #define LSM_HOOK(RET, DEFAULT, NAME, ...) \ LSM_HOOK_INIT(NAME, bpf_lsm_##NAME), #include <linux/lsm_hook_defs.h> #undef LSM_HOOK LSM_HOOK_INIT(inode_free_security, bpf_inode_storage_free), LSM_HOOK_INIT(task_free, bpf_task_storage_free), }; static int __init bpf_lsm_init(void) { security_add_hooks(bpf_lsm_hooks, ARRAY_SIZE(bpf_lsm_hooks), "bpf"); pr_info("LSM support for eBPF active\n"); return 0; } struct lsm_blob_sizes bpf_lsm_blob_sizes __lsm_ro_after_init = { .lbs_inode = sizeof(struct bpf_storage_blob), .lbs_task = sizeof(struct bpf_storage_blob), }; DEFINE_LSM(bpf) = { .name = "bpf", .init = bpf_lsm_init, .blobs = &bpf_lsm_blob_sizes };