platform_system_sepolicy/prebuilts/api/34.0/private/netd.te
Inseob Kim 34ad1d0bc1 SEPolicy Prebuilts for 34.0
Bug: 288517951
Test: build
Change-Id: I682e553ec8090281ded447780be41a8ea222b084
Merged-In: I15bf3817a8a6867d52f7963a04a69e543a9801e9
2023-06-23 10:23:59 +00:00

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1.8 KiB
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typeattribute netd coredomain;
typeattribute netd bpfdomain;
init_daemon_domain(netd)
# Allow netd to spawn dnsmasq in it's own domain
domain_auto_trans(netd, dnsmasq_exec, dnsmasq)
allow netd { fs_bpf fs_bpf_netd_readonly fs_bpf_netd_shared }:dir search;
allow netd { fs_bpf fs_bpf_netd_readonly fs_bpf_netd_shared }:file { getattr read };
allow netd { fs_bpf fs_bpf_netd_shared }:file write;
# give netd permission to setup iptables rule with xt_bpf, attach program to cgroup, and read/write
# the map created by bpfloader
allow netd bpfloader:bpf { prog_run map_read map_write };
# in order to invoke side effect of close() on such a socket calling synchronize_rcu()
# TODO: Remove this permission when 4.9 kernel is deprecated.
# TODO: Remove this after we remove all bpf interactions from netd.
allow netd self:key_socket create;
set_prop(netd, ctl_mdnsd_prop)
set_prop(netd, netd_stable_secret_prop)
get_prop(netd, adbd_config_prop)
get_prop(netd, hwservicemanager_prop)
get_prop(netd, device_config_netd_native_prop)
# Allow netd to write to statsd.
unix_socket_send(netd, statsdw, statsd)
# Allow netd to send callbacks to network_stack
binder_call(netd, network_stack)
# Allow netd to send dump info to dumpstate
allow netd dumpstate:fd use;
allow netd dumpstate:fifo_file { getattr write };
# persist.netd.stable_secret contains RFC 7217 secret key which should never be
# leaked to other processes. Make sure it never leaks.
neverallow { domain -netd -init -dumpstate } netd_stable_secret_prop:file r_file_perms;
# We want to ensure that no other process ever tries tampering with persist.netd.stable_secret,
# the RFC 7217 secret key managed by netd. Doing so could compromise user privacy.
neverallow { domain -netd -init } netd_stable_secret_prop:property_service set;