android_system_sepolicy/genfs_contexts
Nick Kralevich 5cf3994d8a Revert /proc/net related changes
Revert the tightening of /proc/net access. These changes
are causing a lot of denials, and I want additional time to
figure out a better solution.

Addresses the following denials (and many more):

  avc: denied { read } for comm="SyncAdapterThre" name="stats" dev="proc" ino=X scontext=u:r:untrusted_app:s0:c512,c768 tcontext=u:object_r:proc_net:s0 tclass=file
  avc: denied { read } for comm="facebook.katana" name="iface_stat_fmt" dev="proc" ino=X scontext=u:r:untrusted_app:s0:c512,c768 tcontext=u:object_r:proc_net:s0 tclass=file
  avc: denied { read } for comm="IntentService[C" name="if_inet6" dev="proc" ino=X scontext=u:r:untrusted_app:s0:c512,c768 tcontext=u:object_r:proc_net:s0 tclass=file
  avc: denied { read } for comm="dumpstate" name="iface_stat_all" dev="proc" ino=X scontext=u:r:dumpstate:s0 tcontext=u:object_r:proc_net:s0 tclass=file

This reverts commit 0f0324cc82
and commit 99940d1af5

Bug: 9496886
Bug: 19034637
Change-Id: I436a6e3638ac9ed49afbee214e752fe2b0112868
2015-02-25 13:35:17 -08:00

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# Label inodes with the fs label.
genfscon rootfs / u:object_r:rootfs:s0
# proc labeling can be further refined (longest matching prefix).
genfscon proc / u:object_r:proc:s0
genfscon proc /net u:object_r:proc_net:s0
genfscon proc /net/xt_qtaguid/ctrl u:object_r:qtaguid_proc:s0
genfscon proc /cpuinfo u:object_r:proc_cpuinfo:s0
genfscon proc /sysrq-trigger u:object_r:proc_sysrq:s0
genfscon proc /sys/fs/protected_hardlinks u:object_r:proc_security:s0
genfscon proc /sys/fs/protected_symlinks u:object_r:proc_security:s0
genfscon proc /sys/fs/suid_dumpable u:object_r:proc_security:s0
genfscon proc /sys/kernel/core_pattern u:object_r:usermodehelper:s0
genfscon proc /sys/kernel/dmesg_restrict u:object_r:proc_security:s0
genfscon proc /sys/kernel/hotplug u:object_r:usermodehelper:s0
genfscon proc /sys/kernel/kptr_restrict u:object_r:proc_security:s0
genfscon proc /sys/kernel/modprobe u:object_r:usermodehelper:s0
genfscon proc /sys/kernel/modules_disabled u:object_r:proc_security:s0
genfscon proc /sys/kernel/poweroff_cmd u:object_r:usermodehelper:s0
genfscon proc /sys/kernel/randomize_va_space u:object_r:proc_security:s0
genfscon proc /sys/kernel/usermodehelper u:object_r:usermodehelper:s0
genfscon proc /sys/net u:object_r:proc_net:s0
genfscon proc /sys/vm/mmap_min_addr u:object_r:proc_security:s0
# selinuxfs booleans can be individually labeled.
genfscon selinuxfs / u:object_r:selinuxfs:s0
genfscon cgroup / u:object_r:cgroup:s0
# sysfs labels can be set by userspace.
genfscon sysfs / u:object_r:sysfs:s0
genfscon inotifyfs / u:object_r:inotify:s0
genfscon vfat / u:object_r:vfat:s0
genfscon debugfs / u:object_r:debugfs:s0
genfscon fuse / u:object_r:fuse:s0
genfscon pstore / u:object_r:pstorefs:s0
genfscon functionfs / u:object_r:functionfs:s0
genfscon usbfs / u:object_r:usbfs:s0