1# bpf program loader
2type bpfloader, domain;
3type bpfloader_exec, system_file_type, exec_type, file_type;
4typeattribute bpfloader coredomain;
5
6# These permissions are required to pin ebpf maps & programs.
7allow bpfloader fs_bpf:dir { search write add_name };
8allow bpfloader fs_bpf:file { create setattr read };
9
10# Allow bpfloader to create bpf maps and programs.
11allow bpfloader self:bpf { map_create map_read map_write prog_load prog_run };
12
13allow bpfloader self:capability { chown sys_admin };
14
15###
16### Neverallow rules
17###
18
19# TODO: get rid of init & vendor_init
20neverallow { domain -init -vendor_init } fs_bpf:dir setattr;
21neverallow { domain -bpfloader } fs_bpf:dir { write add_name };
22neverallow domain fs_bpf:dir { reparent rename rmdir };
23
24# TODO: get rid of init & vendor_init
25neverallow { domain -bpfloader -init -vendor_init } fs_bpf:file setattr;
26neverallow { domain -bpfloader } fs_bpf:file create;
27neverallow domain fs_bpf:file { rename unlink };
28
29neverallow { domain -bpfloader } *:bpf { map_create prog_load };
30neverallow { domain -bpfloader -netd -netutils_wrapper -system_server } *:bpf prog_run;
31neverallow { domain -bpfloader -netd -system_server } *:bpf { map_read map_write };
32
33neverallow { domain -bpfloader -init } bpfloader_exec:file { execute execute_no_trans };
34
35neverallow bpfloader domain:{ tcp_socket udp_socket rawip_socket } *;
36
37# No domain should be allowed to ptrace bpfloader
38neverallow { domain userdebug_or_eng(`-llkd') } bpfloader:process ptrace;
39
40set_prop(bpfloader, bpf_progs_loaded_prop)
41