1# bpf program loader
2type bpfloader, domain;
3type bpfloader_exec, exec_type, file_type;
4typeattribute bpfloader coredomain;
5
6# Process need CAP_NET_ADMIN to run bpf programs as cgroup filter
7allow bpfloader self:global_capability_class_set net_admin;
8
9r_dir_file(bpfloader, cgroup_bpf)
10
11# These permission is required for pin bpf program for netd.
12allow bpfloader fs_bpf:dir  create_dir_perms;
13allow bpfloader fs_bpf:file create_file_perms;
14allow bpfloader devpts:chr_file { read write };
15
16allow bpfloader netd:fd use;
17
18# Use pinned bpf map files from netd.
19allow bpfloader netd:bpf { map_read map_write };
20allow bpfloader self:bpf { prog_load prog_run };
21
22# Neverallow rules
23neverallow { domain -bpfloader } *:bpf prog_load;
24neverallow { domain -bpfloader -netd -netutils_wrapper} *:bpf prog_run;
25neverallow { domain -netd -bpfloader } bpfloader_exec:file { execute execute_no_trans };
26neverallow bpfloader domain:{ tcp_socket udp_socket rawip_socket } *;
27# only system_server, netd and bpfloader can read/write the bpf maps
28neverallow { domain -system_server -netd -bpfloader} netd:bpf { map_read map_write };
29
30dontaudit bpfloader self:capability sys_admin;
31