mirror of
https://github.com/ovh/debian-cis.git
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75 lines
2.2 KiB
Bash
Executable File
75 lines
2.2 KiB
Bash
Executable File
#!/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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# 5.3.4 Ensure password hashing algorithm is SHA-512 (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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# 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/pam.d/common-password"
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CONF_LINE="^\s*password\s.+\s+pam_unix\.so\s+.*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 $CONF_FILE "$(sed 's/ /[[:space:]]+/g' <<< "$CONF_LINE")"
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if [ "$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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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 $CONF_FILE "$(sed 's/ /[[:space:]]+/g' <<< "$CONF_LINE")"
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if [ "$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"
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add_line_file_before_pattern $CONF_FILE "password [success=1 default=ignore] pam_unix.so sha512" "# pam-auth-update(8) for details."
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fi
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fi
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}
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# This function will check config parameters required
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check_config() {
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:
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}
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# Source Root Dir Parameter
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if [ -r /etc/default/cis-hardening ]; then
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. /etc/default/cis-hardening
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fi
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if [ -z "$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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