blob: 57b9ffd53c98aec5e63e172d60f7174c4870d9c1 [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020 Google LLC.
*/
#include <linux/lsm_hooks.h>
#include <linux/bpf_lsm.h>
#include <uapi/linux/lsm.h>
static struct security_hook_list bpf_lsm_hooks[] __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 const struct lsm_id bpf_lsmid = {
.name = "bpf",
.id = LSM_ID_BPF,
};
static int __init bpf_lsm_init(void)
{
security_add_hooks(bpf_lsm_hooks, ARRAY_SIZE(bpf_lsm_hooks),
&bpf_lsmid);
pr_info("LSM support for eBPF active\n");
return 0;
}
struct lsm_blob_sizes bpf_lsm_blob_sizes __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
};