Add support for -R (recurse) to init chown builtin.

This is helpful for setting ownerships on entire directory trees,
such as sysfs and selinuxfs, particularly when the precise set of
files is dynamically generated at runtime.

Change-Id: I81070ea36fd7ffcab4ee8b3ef1bb0028d4b7839c
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
Allow system UID to setenforce and set booleans for SELinux.

Allow system UID to setenforce and set booleans for SELinux.
Boolean ownerships must also be reset upon policy reload as
the boolean files in selinuxfs are regenerated to match the new policy.
run-as:  set the SELinux security context.

Before invoking the specified command or a shell, set the
SELinux security context.

Change-Id: Ifc7f91aed9d298290b95d771484b322ed7a4c594
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
run-as:  Get seinfo from packages.list and pass to libselinux.
Document the SELinux extensions to the Android init language.

Change-Id: I9b066e0789c93e5147c28a60baeed91c44dd9359
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
Add persist.mac_enforcing_mode property

Conflicts:
	init/property_service.c
Change setsebool syntax to be consistent with other init built-ins.

Change setsebool syntax from name=value to name value.
This is to make it consistent with setprop and similar commands.
Update both the init built-in command and the toolbox command
for consistency.

Change-Id: I2c8e016ba26731c4a2ad4a49ae3b89362bf8f8a8
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>

Conflicts:
	init/builtins.c
toolbox: silence some compiler warnings

Comparison of signed and unsigned integers. Use parenthesis around a
group of bitwise OR operations.

Change-Id: Ia404380593ce2c2a291133c07c0fc7a016a3ad3f
Create a new location for /data policy files

Updating the location of policy files from
/data/system to /data/securtiy. Requires a
new directory to be created by init and an
update to the location of the
property_contexts file for property service.

Change-Id: Ibac2a84dfb403339bd169787cb5b7f24655be429
Fix mode on /data/security.