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65 lines
1.8 KiB
Bash
Executable File
65 lines
1.8 KiB
Bash
Executable File
#!/bin/bash
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#
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# CIS Debian Hardening
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#
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#
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# 13.16 Check for Duplicate User Names (Scored)
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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=1
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DESCRIPTION="There is no duplicate usernames."
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ERRORS=0
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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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RESULT=$(cat /etc/passwd | cut -f1 -d":" | sort -n | uniq -c | awk {'print $1":"$2'} )
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for LINE in $RESULT; do
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debug "Working on line $LINE"
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OCC_NUMBER=$(awk -F: {'print $1'} <<< $LINE)
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USERNAME=$(awk -F: {'print $2'} <<< $LINE)
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if [ $OCC_NUMBER -gt 1 ]; then
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USERS=$(awk -F: '($3 == n) { print $1 }' n=$USERNAME /etc/passwd | xargs)
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ERRORS=$((ERRORS+1))
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crit "Duplicate username $USERNAME"
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fi
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done
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if [ $ERRORS = 0 ]; then
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ok "No duplicate usernames"
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fi
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}
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# This function will be called if the script status is on enabled mode
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apply () {
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info "Editing automatically username may seriously harm your system, report only here"
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}
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# This function will check config parameters required
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check_config() {
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:
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}
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# Source Root Dir Parameter
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if [ -r /etc/default/cis-hardening ]; then
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. /etc/default/cis-hardening
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fi
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if [ -z "$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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