selinux: log errors when loading new policy
Adds error logging to the code paths which can fail when loading a new policy in sel_write_load(). If the policy fails to be loaded from userspace then a warning message is printed, whereas if a failure occurs after loading policy from userspace an error message will be printed with details on where policy loading failed (recreating one of /classes/, /policy_capabilities/, /booleans/ in the SELinux fs). Also, if sel_make_bools() fails to obtain an SID for an entry in /booleans/* an error will be printed indicating the path of the boolean. Signed-off-by: NGary Tierney <gary.tierney@gmx.com> Acked-by: NStephen Smalley <sds@tycho.nsa.gov> Signed-off-by: NPaul Moore <paul@paul-moore.com>
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