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FIX(13.15): fix code that did not show duplicated group

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Add tests
Apply shellcheck recommendations
This commit is contained in:
Charles Herlin
2019-03-28 17:51:02 +01:00
parent 8f87d75293
commit 1ec77dbb56
2 changed files with 31 additions and 13 deletions
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27
bin/hardening/13.15_check_duplicate_gid.sh
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@ -1,5 +1,5 @@
#!/bin/bash
# run-shellcheck
#
# CIS Debian Hardening
#
@ -11,28 +11,30 @@
set -e # One error, it's over
set -u # One variable unset, it's over
# shellcheck disable=2034
HARDENING_LEVEL=2
# shellcheck disable=2034
DESCRIPTION="There is no duplicate GIDs."
ERRORS=0
# This function will be called if the script status is on enabled / audit mode
audit () {
RESULT=$(cat /etc/group | cut -f3 -d":" | sort -n | uniq -c | awk {'print $1":"$2'} )
for LINE in $RESULT; do
RESULT=$(cut -f3 -d":" /etc/group | sort -n | uniq -c | awk '{print $1":"$2}' )
for LINE in $RESULT; do
debug "Working on line $LINE"
OCC_NUMBER=$(awk -F: {'print $1'} <<< $LINE)
GROUPID=$(awk -F: {'print $2'} <<< $LINE)
if [ $OCC_NUMBER -gt 1 ]; then
USERS=$(awk -F: '($3 == n) { print $1 }' n=$GROUPID /etc/passwd | xargs)
OCC_NUMBER=$(awk -F: '{print $1}' <<< "$LINE")
GROUPID=$(awk -F: '{print $2}' <<< "$LINE")
if [ "$OCC_NUMBER" -gt 1 ]; then
GROUP=$(awk -F: '($3 == n) { print $1 }' n="$GROUPID" /etc/group | xargs)
ERRORS=$((ERRORS+1))
crit "Duplicate GID ($GROUPID): ${USERS}"
crit "Duplicate GID ($GROUPID): ${GROUP}"
fi
done
done
if [ $ERRORS = 0 ]; then
ok "No duplicate GIDs"
fi
fi
}
# This function will be called if the script status is on enabled mode
@ -56,8 +58,9 @@ if [ -z "$CIS_ROOT_DIR" ]; then
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
if [ -r $CIS_ROOT_DIR/lib/main.sh ]; then
. $CIS_ROOT_DIR/lib/main.sh
if [ -r "$CIS_ROOT_DIR"/lib/main.sh ]; then
# shellcheck source=/opt/debian-cis/lib/main.sh
. "$CIS_ROOT_DIR"/lib/main.sh
else
echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_ROOT_DIR in /etc/default/cis-hardening"
exit 128