From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- tools/testing/selftests/bpf/progs/bprm_opts.c | 34 +++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 tools/testing/selftests/bpf/progs/bprm_opts.c (limited to 'tools/testing/selftests/bpf/progs/bprm_opts.c') diff --git a/tools/testing/selftests/bpf/progs/bprm_opts.c b/tools/testing/selftests/bpf/progs/bprm_opts.c new file mode 100644 index 0000000000..418d9c6d49 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/bprm_opts.c @@ -0,0 +1,34 @@ +// SPDX-License-Identifier: GPL-2.0 + +/* + * Copyright 2020 Google LLC. + */ + +#include +#include +#include +#include + +char _license[] SEC("license") = "GPL"; + +struct { + __uint(type, BPF_MAP_TYPE_TASK_STORAGE); + __uint(map_flags, BPF_F_NO_PREALLOC); + __type(key, int); + __type(value, int); +} secure_exec_task_map SEC(".maps"); + +SEC("lsm/bprm_creds_for_exec") +int BPF_PROG(secure_exec, struct linux_binprm *bprm) +{ + int *secureexec; + + secureexec = bpf_task_storage_get(&secure_exec_task_map, + bpf_get_current_task_btf(), 0, + BPF_LOCAL_STORAGE_GET_F_CREATE); + + if (secureexec && *secureexec) + bpf_bprm_opts_set(bprm, BPF_F_BPRM_SECUREEXEC); + + return 0; +} -- cgit v1.2.3