132 lines
4.1 KiB
Bash
Executable File
132 lines
4.1 KiB
Bash
Executable File
#!/bin/bash
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#
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# harbian-audit for Debian GNU/Linux 9/10/11/12 or CentOS Hardening
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# Modify by: Samson-W (samson@hardenedlinux.org)
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#
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#
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# 4.8 Disable USB storage Devices
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# TODO: CentOS
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#
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set -e # One error, it's over
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set -u # One variable unset, it's over
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HARDENING_LEVEL=4
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BLACKRULEPATTERN='install[[:blank:]].*usb_storage[[:blank:]].*/bin/true'
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BLACKRULE='install usb_storage /bin/true'
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BLACKCONFILE='/etc/modprobe.d/blacklist.conf'
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BLACKCONDIR='/etc/modprobe.d'
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audit_debian () {
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SEARCH_RES=0
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for FILE_SEARCHED in $BLACKCONDIR; do
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if [ $SEARCH_RES = 1 ]; then break; fi
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if test -d $FILE_SEARCHED; then
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debug "$FILE_SEARCHED is a directory"
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for file_in_dir in $(ls $FILE_SEARCHED); do
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does_pattern_exist_in_file "$FILE_SEARCHED/$file_in_dir" "^$BLACKRULEPATTERN"
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if [ $FNRET != 0 ]; then
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debug "$BLACKRULEPATTERN is not present in $FILE_SEARCHED/$file_in_dir"
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else
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ok "$BLACKRULEPATTERN is present in $FILE_SEARCHED/$file_in_dir"
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SEARCH_RES=1
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break
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fi
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done
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else
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does_pattern_exist_in_file "$FILE_SEARCHED" "^$BLACKRULEPATTERN"
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if [ $FNRET != 0 ]; then
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debug "$BLACKRULEPATTERN is not present in $FILE_SEARCHED"
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else
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ok "$BLACKRULEPATTERN is present in $BLACKCONDIR"
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SEARCH_RES=1
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fi
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fi
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done
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if [ $SEARCH_RES = 0 ]; then
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crit "$BLACKRULEPATTERN is not present in $BLACKCONDIR"
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fi
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}
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audit_centos () {
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:
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}
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# This function will be called if the script status is on enabled / audit mode
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audit () {
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if [ $OS_RELEASE -eq 2 ]; then
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audit_centos
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else
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audit_debian
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fi
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}
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# This function will be called if the script status is on enabled mode
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apply () {
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SEARCH_RES=0
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for FILE_SEARCHED in $BLACKCONDIR; do
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if [ $SEARCH_RES = 1 ]; then break; fi
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if test -d $FILE_SEARCHED; then
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debug "$FILE_SEARCHED is a directory"
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for file_in_dir in $(ls $FILE_SEARCHED); do
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does_pattern_exist_in_file "$FILE_SEARCHED/$file_in_dir" "^$BLACKRULEPATTERN"
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if [ $FNRET != 0 ]; then
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debug "$BLACKRULEPATTERN is not present in $FILE_SEARCHED/$file_in_dir"
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else
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ok "$BLACKRULEPATTERN is present in $FILE_SEARCHED/$file_in_dir"
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SEARCH_RES=1
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break
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fi
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done
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else
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does_pattern_exist_in_file "$FILE_SEARCHED" "^$BLACKRULEPATTERN "
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if [ $FNRET != 0 ]; then
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debug "$BLACKRULEPATTERN is not present in $FILE_SEARCHED"
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else
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ok "$BLACKRULEPATTERN is present in $BLACKCONDIR"
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SEARCH_RES=1
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fi
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fi
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done
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if [ $SEARCH_RES = 0 ]; then
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warn "$BLACKRULEPATTERN is not present in $BLACKCONDIR"
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if [ -f $BLACKCONFILE ]; then
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warn "Add $BLACKRULE to $BLACKCONFILE"
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add_end_of_file $BLACKCONFILE "$BLACKRULE"
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add_end_of_file $BLACKCONFILE "blacklist usb_storage"
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else
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warn "Create $BLACKCONFILE and add $BLACKRULE to $BLACKCONFILE"
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touch $BLACKCONFILE
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chmod 644 $BLACKCONFILE
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add_end_of_file $BLACKCONFILE "blacklist usb_storage"
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add_end_of_file $BLACKCONFILE "$BLACKRULE"
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fi
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fi
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}
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# This function will check config parameters required
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check_config() {
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:
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}
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# Source Root Dir Parameter
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if [ -r /etc/default/cis-hardening ]; then
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. /etc/default/cis-hardening
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fi
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if [ -z "$CIS_ROOT_DIR" ]; then
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echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
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echo "Cannot source CIS_ROOT_DIR variable, aborting."
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exit 128
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fi
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# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
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if [ -r $CIS_ROOT_DIR/lib/main.sh ]; then
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. $CIS_ROOT_DIR/lib/main.sh
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else
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echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_ROOT_DIR in /etc/default/cis-hardening"
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exit 128
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fi
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