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platform_system_sepolicy/ppp.te

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Add ppp/mtp policy. Initial policy for Point-to-Point tunneling and tunneling manager services.
2012-08-20 12:13:28 +02:00
# Point to Point Protocol daemon
type ppp, domain;
type ppp_device, dev_type;
type ppp_exec, exec_type, file_type;
domain_auto_trans(mtp, ppp_exec, ppp)
Make ppp permissive or unconfined. Also add rules from our policy. Change-Id: I6f552538cc4f6b28b2883aa74832230944cbdb7a Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
2013-10-29 19:42:38 +01:00
Clean up socket rules. Replace * or any permission set containing create with create_socket_perms or create_stream_socket_perms. Add net_domain() to all domains using network sockets and delete rules already covered by domain.te or net.te. For netlink_route_socket, only nlmsg_write needs to be separately granted to specific domains that are permitted to modify the routing table. Clarification: read/write permissions are just ability to perform read/recv() or write/send() on the socket, whereas nlmsg_read/ nlmsg_write permissions control ability to observe or modify the underlying kernel state accessed via the socket. See security/selinux/nlmsgtab.c in the kernel for the mapping of netlink message types to nlmsg_read or nlmsg_write. Delete legacy rule for b/12061011. This change does not touch any rules where only read/write were allowed to a socket created by another domain (inherited across exec or received across socket or binder IPC). We may wish to rewrite some or all of those rules with the rw_socket_perms macro but that is a separate change. Change-Id: Ib0637ab86f6d388043eff928e5d96beb02e5450e Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
2014-02-24 21:06:11 +01:00
net_domain(ppp)
Make ppp permissive or unconfined. Also add rules from our policy. Change-Id: I6f552538cc4f6b28b2883aa74832230944cbdb7a Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
2013-10-29 19:42:38 +01:00
allow ppp mtp:socket rw_socket_perms;
Allow ppp to inherit/use mtp unix datagram socket. Resolves denials such as: avc: denied { read write } for path="socket:[33571]" dev="sockfs" ino=33571 scontext=u:r:ppp:s0 tcontext=u:r:mtp:s0 tclass=unix_dgram_socket Change-Id: Icb1ee00d8513179039bfb738647f49480e836f25 Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
2014-05-13 14:24:38 +02:00
allow ppp mtp:unix_dgram_socket rw_socket_perms;
Make ppp permissive or unconfined. Also add rules from our policy. Change-Id: I6f552538cc4f6b28b2883aa74832230944cbdb7a Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
2013-10-29 19:42:38 +01:00
allow ppp ppp_device:chr_file rw_file_perms;
allow ppp self:capability net_admin;
allow ppp system_file:file rx_file_perms;
allow ppp vpn_data_file:dir w_dir_perms;
allow ppp vpn_data_file:file create_file_perms;
allow ppp mtp:fd use;
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