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netdomain: move to public policy

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Vendor domains may use net_domain() so it should be moved to public
policy. This will allow removal of permissions such as rawip_socket
in future releases without breaking Treble compatiblity.

Bug: 122572608
Test: build
Change-Id: Id84feb11587d305334cd9dbbc6e4f6f71ffff6f2
This commit is contained in:
Jeff Vander Stoep 2019-01-11 15:24:35 -08:00 committed by Jeffrey Vander Stoep
parent ef6f1b52ad
commit 937f256b2d
2 changed files with 27 additions and 26 deletions
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25
private/net.te
View file

@ -1,25 +0,0 @@
###
### Domain with network access
###
# Use network sockets.
allow netdomain self:tcp_socket create_stream_socket_perms;
allow netdomain self:{ icmp_socket udp_socket rawip_socket } create_socket_perms;
# Connect to ports.
allow netdomain port_type:tcp_socket name_connect;
# Bind to ports.
allow {netdomain -ephemeral_app} node_type:{ tcp_socket udp_socket } node_bind;
allow {netdomain -ephemeral_app} port_type:udp_socket name_bind;
allow {netdomain -ephemeral_app} port_type:tcp_socket name_bind;
# See changes to the routing table.
allow netdomain self:netlink_route_socket { create read getattr write setattr lock append bind connect getopt setopt shutdown nlmsg_read };
# Talks to netd via dnsproxyd socket.
unix_socket_connect(netdomain, dnsproxyd, netd)
# Talks to netd via fwmarkd socket.
unix_socket_connect(netdomain, fwmarkd, netd)
# Connect to mdnsd via mdnsd socket.
unix_socket_connect(netdomain, mdnsd, mdnsd)

28
public/net.te
View file

@ -1,4 +1,30 @@
# Network types
## Network types
type node, node_type;
type netif, netif_type;
type port, port_type;
###
### Domain with network access
###
# Use network sockets.
allow netdomain self:tcp_socket create_stream_socket_perms;
allow netdomain self:{ icmp_socket udp_socket rawip_socket } create_socket_perms;
# Connect to ports.
allow netdomain port_type:tcp_socket name_connect;
# Bind to ports.
allow {netdomain -ephemeral_app} node_type:{ tcp_socket udp_socket } node_bind;
allow {netdomain -ephemeral_app} port_type:udp_socket name_bind;
allow {netdomain -ephemeral_app} port_type:tcp_socket name_bind;
# See changes to the routing table.
allow netdomain self:netlink_route_socket { create read getattr write setattr lock append bind connect getopt setopt shutdown nlmsg_read };
# Talks to netd via dnsproxyd socket.
unix_socket_connect(netdomain, dnsproxyd, netd)
# Talks to netd via fwmarkd socket.
unix_socket_connect(netdomain, fwmarkd, netd)
# Connect to mdnsd via mdnsd socket.
unix_socket_connect(netdomain, mdnsd, mdnsd)