New profile: device-flasher.linux (CalyxOS) (#6616)

The CalyxOS CLI device flasher.

etc/profile-a-l/device-flasher.linux.profile

@@ -0,0 +1,72 @@
+# Firejail profile for device-flasher.linux
+# Description: CalyxOS' device flasher
+# This file is overwritten after every install/update
+quiet
+# Persistent local customizations
+include device-flasher.linux.local
+# Persistent global definitions
+include globals.local
+
+# Usage: Run firejail ./device-flasher.linux in the folder with it and your
+# factory image.
+
+ignore noexec ${HOME}
+
+# Allow /bin/sh (blacklisted by disable-shell.inc)
+include allow-bin-sh.inc
+
+blacklist ${RUNUSER}
+blacklist /opt
+blacklist /srv
+blacklist /usr/libexec
+
+include disable-common.inc
+include disable-devel.inc
+include disable-exec.inc
+include disable-interpreters.inc
+include disable-proc.inc
+include disable-programs.inc
+include disable-shell.inc
+include disable-x11.inc
+include disable-xdg.inc
+
+whitelist ${DOWNLOADS}
+
+include whitelist-run-common.inc
+include whitelist-runuser-common.inc
+include whitelist-usr-share-common.inc
+include whitelist-var-common.inc
+
+apparmor
+caps.drop all
+ipc-namespace
+machine-id
+netfilter
+no3d
+nodvd
+nogroups
+noinput
+nonewprivs
+noprinters
+noroot
+nosound
+notpm
+notv
+nou2f
+novideo
+protocol inet,inet6,netlink
+seccomp
+seccomp.block-secondary
+
+disable-mnt
+private-bin cut,grep,sed,sh,sleep,which
+private-cache
+private-etc @network,@tls-ca
+private-tmp
+
+dbus-user none
+dbus-system none
+
+deterministic-shutdown
+memory-deny-write-execute
+restrict-namespaces