security-misc/usr/lib/dracut/modules.d/10ram-wipe-exit/wipe-ram.sh
2023-01-06 12:51:18 -05:00

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#!/bin/sh
### Copyrigh (C) 2023 - 2023 Friedrich Doku <friedrichdoku@gmail.com>
ram_wipe_action() {
local kernel_wiperam_exit
## getarg returns the last parameter only.
## if /proc/cmdline contains 'wiperam=skip wiperam=force' the last one wins.
kernel_wiperam_exit=$(getarg wiperamexit)
if [ "$kernel_wiperam_exit" = "no" ]; then
info "INFO: Skip, because wiperamexit=no kernel parameter detected, OK."
return 0
else
if [ "$kernel_wiperam_exit" != "yes" ]; then
info "INFO: Skip, becuase wiperamexit parameter is not used. "
return 0
fi
fi
info "INFO: wiperamexit=yes. Running second RAM wipe... "
sdmem -l -l -v
}
ram_wipe_action