3233353603
(cherry picked from commit 6ba383c575)
Restrict unix_dgram_socket and unix_stream_socket to a whitelist.
Disallow all ioctls for netlink_selinux_socket and netlink_route_socket.
Neverallow third party app use of all ioctls other than
unix_dgram_socket, unix_stream_socket, netlink_selinux_socket,
netlink_route_socket, tcp_socket, udp_socket and rawip_socket.
Bug: 28171804
Change-Id: Icfe3486a62fc2fc2d2abd8d4030a5fbdd0ab30ab
26 lines
914 B
Plaintext
26 lines
914 B
Plaintext
# Network types
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type node, node_type;
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type netif, netif_type;
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type port, port_type;
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# Use network sockets.
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allow netdomain self:tcp_socket create_stream_socket_perms;
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allow netdomain self:{ udp_socket rawip_socket } create_socket_perms;
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# Connect to ports.
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allow netdomain port_type:tcp_socket name_connect;
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# Bind to ports.
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allow netdomain node_type:{ tcp_socket udp_socket } node_bind;
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allow netdomain port_type:udp_socket name_bind;
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allow netdomain port_type:tcp_socket name_bind;
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# See changes to the routing table.
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allow netdomain self:netlink_route_socket { create read getattr write setattr lock append bind connect getopt setopt shutdown nlmsg_read };
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# Talks to netd via dnsproxyd socket.
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unix_socket_connect(netdomain, dnsproxyd, netd)
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# Talks to netd via fwmarkd socket.
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unix_socket_connect(netdomain, fwmarkd, netd)
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# Connect to mdnsd via mdnsd socket.
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unix_socket_connect(netdomain, mdnsd, mdnsd)
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