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Revert "ueventd.te: auditallow device:chr_file"

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Broke the dragon build:

libsepol.report_failure: neverallow on line 304 of system/sepolicy/public/domain.te (or line 8638 of policy.conf) violated by allow kernel device:chr_file { create setattr };
libsepol.check_assertions: 1 neverallow failures occurred
Error while expanding policy

This reverts commit ed0b4eb366.

Change-Id: I5d55ab59ed72ce7c19a10ddbb374f9f3b3fae4fd
This commit is contained in:
Nick Kralevich 2016-12-05 17:29:25 +00:00
parent ed0b4eb366
commit e78fa1bf37
2 changed files with 2 additions and 8 deletions
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5
public/domain.te
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@ -299,9 +299,8 @@ neverallow { domain -kernel -init -recovery } block_device:blk_file { open read
# Don't allow raw read/write/open access to generic devices.
# Rather force a relabel to a more specific type.
# init is exempt from this as there are character devices that only it uses.
# uevent historically was granted access, but this does not appear used.
# Tightening candidate?
neverallow { domain -init -ueventd } device:chr_file no_rw_file_perms;
# ueventd is exempt from this, as it is managing these devices.
neverallow { domain -init -ueventd } device:chr_file { open read write };
# Limit what domains can mount filesystems or change their mount flags.
# sdcard_type / vfat is exempt as a larger set of domains need

5
public/ueventd.te
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@ -7,12 +7,7 @@ allow ueventd kmsg_device:chr_file rw_file_perms;
allow ueventd self:capability { chown mknod net_admin setgid fsetid sys_rawio dac_override fowner };
allow ueventd device:file create_file_perms;
# Read/write generically labeled /dev character device files.
# TODO: this rule appears unnecessary. Delete?
allow ueventd device:chr_file rw_file_perms;
auditallow ueventd device:chr_file { read lock write ioctl open append };
r_dir_file(ueventd, sysfs_type)
r_dir_file(ueventd, rootfs)
allow ueventd sysfs:file w_file_perms;