100 lines
3.0 KiB
Bash
Executable File
100 lines
3.0 KiB
Bash
Executable File
#!/bin/bash
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#
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# harbian-audit for Debian GNU/Linux debian 7/8/9 or CentOS 8 Hardening
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#
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#
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# 10.1.10 Set maxlogins for all accounts (Scored)
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# Author : Samson wen, Samson <sccxboy@gmail.com>
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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=2
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PACKAGE='libpam-modules'
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OPTIONS='maxsyslogins'
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OPVALUE=10
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FILE='/etc/security/limits.conf'
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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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is_pkg_installed $PACKAGE
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if [ $FNRET != 0 ]; then
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crit "$PACKAGE is not installed!"
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FNRET=1
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else
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ok "$PACKAGE is installed"
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does_file_exist $FILE
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if [ $FNRET != 0 ]; then
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crit "$FILE does not exist"
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FNRET=2
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else
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ok "$FILE does exist"
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COUNT=$(sed -e '/^#/d' -e '/^[ \t][ \t]*#/d' -e 's/#.*$//' -e '/^$/d' $FILE | grep "${OPTIONS}" | wc -l)
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if [ $COUNT -gt 0 ]; then
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ok "$OPTIONS is set in $FILE."
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VALUE=$(sed -e '/^#/d' -e '/^[ \t][ \t]*#/d' -e 's/#.*$//' -e '/^$/d' $FILE | grep ".*[[:space:]].*${OPTIONS}[[:space:]].*${OPVALUE}" | wc -l)
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if [ $VALUE -eq 0 ]; then
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crit "$OPTIONS value is incorrect in $FILE"
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FNRET=4
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else
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ok "$OPTIONS value is correct in $FILE"
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FNRET=0
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fi
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else
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crit "$OPTIONS is not set in $FILE."
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FNRET=3
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fi
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fi
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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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if [ $FNRET = 0 ]; then
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ok "$OPTIONS value is correct in $FILE"
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elif [ $FNRET = 1 ]; then
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warn "$PACKAGE is not installed, need install."
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install_package $PACKAGE
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elif [ $FNRET = 2 ]; then
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warn "$FILE is not exist, need manual check."
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elif [ $FNRET = 3 ]; then
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warn "$OPTIONS value not exist in $FILE, add it"
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add_end_of_file $FILE "* hard ${OPTIONS} $OPVALUE"
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elif [ $FNRET = 4 ]; then
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warn "$OPTIONS value is incorrect in $FILE, reset it"
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replace_in_file $FILE "^[^#].*${OPTIONS}[[:space:]].*" "\* hard ${OPTIONS} $OPVALUE"
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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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if [ $OS_RELEASE -eq 2 ]; then
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PACKAGE='pam'
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else
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:
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fi
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}
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# Source Root Dir Parameter
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if [ -r /etc/default/cis-hardening ]; then
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. /etc/default/cis-hardening
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fi
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if [ -z "$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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