at master 895 B view raw
1// SPDX-License-Identifier: GPL-2.0 2 3/* 4 * Copyright (C) 2020 Google LLC. 5 */ 6#include <linux/lsm_hooks.h> 7#include <linux/bpf_lsm.h> 8#include <uapi/linux/lsm.h> 9 10static struct security_hook_list bpf_lsm_hooks[] __ro_after_init = { 11 #define LSM_HOOK(RET, DEFAULT, NAME, ...) \ 12 LSM_HOOK_INIT(NAME, bpf_lsm_##NAME), 13 #include <linux/lsm_hook_defs.h> 14 #undef LSM_HOOK 15 LSM_HOOK_INIT(inode_free_security, bpf_inode_storage_free), 16}; 17 18static const struct lsm_id bpf_lsmid = { 19 .name = "bpf", 20 .id = LSM_ID_BPF, 21}; 22 23static int __init bpf_lsm_init(void) 24{ 25 security_add_hooks(bpf_lsm_hooks, ARRAY_SIZE(bpf_lsm_hooks), 26 &bpf_lsmid); 27 pr_info("LSM support for eBPF active\n"); 28 return 0; 29} 30 31struct lsm_blob_sizes bpf_lsm_blob_sizes __ro_after_init = { 32 .lbs_inode = sizeof(struct bpf_storage_blob), 33}; 34 35DEFINE_LSM(bpf) = { 36 .id = &bpf_lsmid, 37 .init = bpf_lsm_init, 38 .blobs = &bpf_lsm_blob_sizes 39};