55badc22c1
Enforce new requirements on app with targetSdkVersion=32 including: - No RTM_GETNEIGH on netlink route sockets. - No RTM_GETNEIGHTBL on netlink route sockets. Bug: 171572148 Test: atest NetworkInterfaceTest Test: atest bionic-unit-tests-static Test: atest CtsSelinuxTargetSdkCurrentTestCases Change-Id: I32ebb407b8dde1c872f53a1bc3c1ec20b9a5cb49
41 lines
1.5 KiB
Text
41 lines
1.5 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 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.
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# b/171572148 gate RTM_GETNEIGH{TBL} with a new permission nlmsg_getneigh and block access from
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# untrusted_apps. Some untrusted apps (e.g. untrusted_app_25-30) 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 { bind nlmsg_readpriv nlmsg_getneigh };
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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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