mirror of
https://github.com/ovh/debian-cis.git
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77 lines
2.4 KiB
Bash
77 lines
2.4 KiB
Bash
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#!/bin/bash
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# run-shellcheck
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#
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# OVH Security audit
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#
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#
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# Check that any password that may exist in /etc/shadow is SHA512 hashed and salted
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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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# shellcheck disable=2034
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DESCRIPTION="Check that any password that may exist in /etc/shadow is SHA512 hashed and salted"
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CONF_FILE="/etc/login.defs"
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CONF_LINE="ENCRYPT_METHOD SHA512"
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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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# Check conf file for default SHA512 hash
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if $SUDO_CMD [ ! -r $CONF_FILE ]; then
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crit "$CONF_FILE is not readable"
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else
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does_pattern_exist_in_file $CONF_FILE "^ *${CONF_LINE/ /[[:space:]]+}"
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if [ "$FNRET" = 0 ]; then
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ok "$CONF_LINE is present in $CONF_FILE"
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else
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crit "$CONF_LINE is not present in $CONF_FILE"
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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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does_pattern_exist_in_file $CONF_FILE "^ *${CONF_LINE/ /[[:space:]]+}"
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if [ "$FNRET" = 0 ]; then
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ok "$CONF_LINE is present in $CONF_FILE"
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else
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warn "$CONF_LINE is not present in $CONF_FILE, adding it"
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does_pattern_exist_in_file "$CONF_FILE" "^$(echo "$CONF_LINE" | cut -d ' ' -f1)"
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if [ "$FNRET" != 0 ]; then
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add_end_of_file $CONF_FILE "$CONF_LINE"
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else
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info "Parameter $SSH_PARAM is present but with the wrong value -- Fixing"
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replace_in_file "$CONF_FILE" "^$(echo "$CONF_LINE" | cut -d ' ' -f1)[[:space:]]*.*" "$CONF_LINE"
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fi
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/etc/init.d/ssh reload > /dev/null 2>&1
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fi
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}
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# This function will check config parameters required
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check_config() {
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:
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}
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# Source Root Dir Parameter
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if [ -r /etc/default/cis-hardening ]; then
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. /etc/default/cis-hardening
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fi
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if [ -z "$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 "$CIS_ROOT_DIR"/lib/main.sh ]; then
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# shellcheck source=/opt/debian-cis/lib/main.sh
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. "$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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