73 lines
2.2 KiB
Bash
Executable File
73 lines
2.2 KiB
Bash
Executable File
#!/bin/bash
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#
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# harbian audit 7/8/9 Hardening
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#
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#
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# 9.3.23 Check SSH private host key permission (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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USER='root'
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GROUP='root'
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PERMISSIONS='0600'
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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 [ $(find /etc/ssh/ -name "*ssh_host*key" ! -uid 0 -o ! -gid 0 | wc -l) -gt 0 ]; then
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crit "There are file ownership was not set to $USER:$GROUP"
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else
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ok "There are file has correct ownership"
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fi
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if [ $(find /etc/ssh/ -name "*ssh_host*key" -perm /177 | wc -l) -gt 0 ]; then
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crit "There are file file has a mode more permissive than $PERMISSIONS"
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else
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ok "Not any file has a mode more permissive than $PERMISSIONS"
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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 [ $(find /etc/ssh/ -name "*ssh_host*key" ! -uid 0 -o ! -gid 0 | wc -l) -gt 0 ]; then
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warn "There are file ownership was not set to $USER:$GROUP"
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find /etc/ssh/ -name "*ssh_host*key" ! -uid 0 -o ! -gid 0 -exec chown $USER:$GROUP {} \;
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else
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ok "There are file has correct ownership"
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fi
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if [ $(find /etc/ssh/ -name "*ssh_host*key" -perm /177 | wc -l) -gt 0 ]; then
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warn "Set ssh private host key permission to 0600"
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find /etc/ssh/ -name "*ssh_host*key" -perm /177 -exec chmod $PERMISSIONS {} \;
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else
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ok "any file has a mode more permissive than "0600""
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fi
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}
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# This function will check config parameters required
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check_config() {
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:
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}
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# Source Root Dir Parameter
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if [ -r /etc/default/cis-hardening ]; then
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. /etc/default/cis-hardening
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fi
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if [ -z "$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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