/run types

[Russell Coker <russell@coker.com.au>]

typealias screen_runtime_t alias screen_var_run_t;
type vmware_host_pid_t alias vmware_var_run_t;
typealias boot_t alias bootloader_run_t;
typealias acpid_var_run_t alias apmd_var_run_t;
type arpwatch_pid_t alias arpwatch_var_run_t;
type lircd_var_run_t alias lircd_sock_t;
type munin_var_run_t alias lrrd_var_run_t;
typealias samba_var_run_t alias { nmbd_var_run_t smbd_var_run_t };
typealias vnstatd_pid_t alias vnstatd_var_run_t;
typealias exim_pid_t alias exim_var_run_t;
typealias irqbalance_pid_t alias irqbalance_var_run_t;
typealias ntpd_pid_t alias ntpd_var_run_t;
type policykit_var_run_t alias polkit_var_run_t;
typealias clamd_var_run_t alias clamd_sock_t;
type getty_runtime_t alias getty_var_run_t;
typealias mount_runtime_t alias mount_var_run_t;
iptables_runtime_t alias iptables_var_run_t;
type mdadm_var_run_t alias mdadm_map_t;
typealias restorecond_run_t alias restorecond_var_run_t;

We have the above aliases in the current git policy.  The current type names 
include *_pid_t, *_var_run_t, and *_runtime_t.

We have 284 other type definitions that include _run_t, of which 274 are 
_var_run_t.

Futher grepping found a few other instances of *_pid_t and *_runtime_t.

By far the most common (and most obviously wrong) is *_var_run_t.  When using 
systemd (and also non-systemd on systems like Debian) a tmpfs on /run is used 
and /var/run is a symlink.

I think we should change this to use a common name.  If this idea is generally 
accepted I'll submit a patch changing all instances of *_var_run_t, *_pid_t, 
and *_runtime_t to *_run_t with aliases for the old names.

What do you think?

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