1f7ae8ee3f
Enforce new requirements on app with targetSdkVersion=30 including: - No RTM_GETLINK on netlink route sockets. Remove some of the repetitive descriptions in each untrusted_app_N.te file, and instead refer to the description in public/untrusted_app.te. Bug: 141455849 Test: CtsSelinuxTargetSdkCurrentTestCases Test: libcore.java.net.NetworkInterfaceTest#testGetNetworkInterfaces Change-Id: I89553e48db3bc71f229c71fafeee9005703e5c0b
39 lines
1.4 KiB
Text
39 lines
1.4 KiB
Text
## 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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###
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### Domain with network access
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###
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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:{ icmp_socket 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 -ephemeral_app} node_type:{ icmp_socket rawip_socket tcp_socket udp_socket } node_bind;
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allow {netdomain -ephemeral_app} port_type:udp_socket name_bind;
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allow {netdomain -ephemeral_app} 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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# b/141455849 gate RTM_GETLINK with a new permission nlmsg_readpriv and block access from
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# untrusted_apps. Some untrusted apps (e.g. untrusted_app_25-29) are granted access elsewhere
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# to avoid app-compat breakage.
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allow {
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netdomain
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-ephemeral_app
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-mediaprovider
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-untrusted_app_all
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} self:netlink_route_socket { nlmsg_readpriv };
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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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