security-misc/usr/libexec/security-misc/remove-system.map
2023-03-30 17:08:47 +11:00

43 lines
1.2 KiB
Bash
Executable File

#!/bin/bash
## Copyright (C) 2012 - 2023 ENCRYPTED SUPPORT LP <adrelanos@whonix.org>
## See the file COPYING for copying conditions.
if [ -f /usr/libexec/helper-scripts/pre.bsh ]; then
## pre.bsh would `source` the following folders:
## /etc/remove-system.map_pre.d/*.conf
## /usr/local/etc/remove-system.map_pre.d/*.conf
source /usr/libexec/helper-scripts/pre.bsh
fi
shopt -s nullglob
system_map_location="/boot/System.map* /usr/src/*/System.map* /lib/modules/*/*/System.map* /System.map*"
counter=0
for filename in ${system_map_location} ; do
counter=$(( counter + 1 ))
done
if [ "$counter" -ge "1" ]; then
echo "INFO: Deleting system.map files..."
fi
## Removes the System.map files as they are only used for debugging or malware.
for filename in ${system_map_location} ; do
if [ -f "${filename}" ]; then
if [ -w "${filename}" ]; then
## 'shred' with '--verbose' is too chatty. (7 lines)
shred --force --zero -u "${filename}"
echo "INFO: removed '${filename}'"
else
echo "NOTE: Cannot delete '${filename}' - read-only. For details, see: https://www.kicksecure.com/wiki/security-misc#system_map"
exit 0
fi
fi
done
if [ "$counter" -ge "1" ]; then
echo "INFO: Done. Success."
fi