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Diffstat (limited to 'kernel/bpf/bpf_lsm.c')
-rw-r--r--kernel/bpf/bpf_lsm.c23
1 files changed, 14 insertions, 9 deletions
diff --git a/kernel/bpf/bpf_lsm.c b/kernel/bpf/bpf_lsm.c
index fa71d58b7ded..4fd845bc5a12 100644
--- a/kernel/bpf/bpf_lsm.c
+++ b/kernel/bpf/bpf_lsm.c
@@ -41,17 +41,21 @@ BTF_SET_END(bpf_lsm_hooks)
*/
BTF_SET_START(bpf_lsm_current_hooks)
/* operate on freshly allocated sk without any cgroup association */
+#ifdef CONFIG_SECURITY_NETWORK
BTF_ID(func, bpf_lsm_sk_alloc_security)
BTF_ID(func, bpf_lsm_sk_free_security)
+#endif
BTF_SET_END(bpf_lsm_current_hooks)
/* List of LSM hooks that trigger while the socket is properly locked.
*/
BTF_SET_START(bpf_lsm_locked_sockopt_hooks)
+#ifdef CONFIG_SECURITY_NETWORK
BTF_ID(func, bpf_lsm_socket_sock_rcv_skb)
BTF_ID(func, bpf_lsm_sock_graft)
BTF_ID(func, bpf_lsm_inet_csk_clone)
BTF_ID(func, bpf_lsm_inet_conn_established)
+#endif
BTF_SET_END(bpf_lsm_locked_sockopt_hooks)
/* List of LSM hooks that trigger while the socket is _not_ locked,
@@ -59,8 +63,10 @@ BTF_SET_END(bpf_lsm_locked_sockopt_hooks)
* in the early init phase.
*/
BTF_SET_START(bpf_lsm_unlocked_sockopt_hooks)
+#ifdef CONFIG_SECURITY_NETWORK
BTF_ID(func, bpf_lsm_socket_post_create)
BTF_ID(func, bpf_lsm_socket_socketpair)
+#endif
BTF_SET_END(bpf_lsm_unlocked_sockopt_hooks)
#ifdef CONFIG_CGROUP_BPF
@@ -189,6 +195,14 @@ static const struct bpf_func_proto bpf_get_attach_cookie_proto = {
static const struct bpf_func_proto *
bpf_lsm_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
{
+ const struct bpf_func_proto *func_proto;
+
+ if (prog->expected_attach_type == BPF_LSM_CGROUP) {
+ func_proto = cgroup_common_func_proto(func_id, prog);
+ if (func_proto)
+ return func_proto;
+ }
+
switch (func_id) {
case BPF_FUNC_inode_storage_get:
return &bpf_inode_storage_get_proto;
@@ -212,15 +226,6 @@ bpf_lsm_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
return prog->aux->sleepable ? &bpf_ima_file_hash_proto : NULL;
case BPF_FUNC_get_attach_cookie:
return bpf_prog_has_trampoline(prog) ? &bpf_get_attach_cookie_proto : NULL;
- case BPF_FUNC_get_local_storage:
- return prog->expected_attach_type == BPF_LSM_CGROUP ?
- &bpf_get_local_storage_proto : NULL;
- case BPF_FUNC_set_retval:
- return prog->expected_attach_type == BPF_LSM_CGROUP ?
- &bpf_set_retval_proto : NULL;
- case BPF_FUNC_get_retval:
- return prog->expected_attach_type == BPF_LSM_CGROUP ?
- &bpf_get_retval_proto : NULL;
#ifdef CONFIG_NET
case BPF_FUNC_setsockopt:
if (prog->expected_attach_type != BPF_LSM_CGROUP)