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enh: remove ssh system sandbox check (#213)

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UsePrivilegeSeparation option is deprecated.
Since the oldest supported Debian distribution is Buster (10), we can safely remove this check

Fixes #212
This commit is contained in:
GoldenKiwi
2023-11-13 08:53:12 +01:00
committed by GitHub
parent d6c334182e
commit 0eb2e2ffde
2 changed files with 0 additions and 120 deletions
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98
bin/hardening/99.5.2.8_ssh_sys_sandbox.sh
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@ -1,98 +0,0 @@
#!/bin/bash
# run-shellcheck
#
# Legacy CIS Debian Hardening
#
#
# 99.5.2.8 Check UsePrivilegeSeparation set to sandbox.
#
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="Check UsePrivilegeSeparation set to sandbox."
PACKAGE='openssh-server'
OPTIONS='UsePrivilegeSeparation=sandbox'
FILE='/etc/ssh/sshd_config'
# This function will be called if the script status is on enabled / audit mode
audit() {
is_pkg_installed "$PACKAGE"
if [ "$FNRET" != 0 ]; then
ok "$PACKAGE is not installed!"
else
ok "$PACKAGE is installed"
for SSH_OPTION in $OPTIONS; do
SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
if [ "$FNRET" = 0 ]; then
ok "$PATTERN is present in $FILE"
else
crit "$PATTERN is not present in $FILE"
fi
done
fi
}
# This function will be called if the script status is on enabled mode
apply() {
is_pkg_installed "$PACKAGE"
if [ "$FNRET" = 0 ]; then
ok "$PACKAGE is installed"
else
crit "$PACKAGE is absent, installing it"
apt_install "$PACKAGE"
fi
for SSH_OPTION in $OPTIONS; do
SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
if [ "$FNRET" = 0 ]; then
ok "$PATTERN is present in $FILE"
else
warn "$PATTERN is not present in $FILE, adding it"
does_pattern_exist_in_file_nocase "$FILE" "^${SSH_PARAM}"
if [ "$FNRET" != 0 ]; then
add_end_of_file "$FILE" "$SSH_PARAM $SSH_VALUE"
else
info "Parameter $SSH_PARAM is present but with the wrong value -- Fixing"
replace_in_file "$FILE" "^${SSH_PARAM}[[:space:]]*.*" "$SSH_PARAM $SSH_VALUE"
fi
/etc/init.d/ssh reload >/dev/null 2>&1
fi
done
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ -r /etc/default/cis-hardening ]; then
# shellcheck source=../../debian/default
. /etc/default/cis-hardening
fi
if [ -z "$CIS_LIB_DIR" ]; then
echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
echo "Cannot source CIS_LIB_DIR variable, aborting."
exit 128
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
if [ -r "${CIS_LIB_DIR}"/main.sh ]; then
# shellcheck source=../../lib/main.sh
. "${CIS_LIB_DIR}"/main.sh
else
echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_LIB_DIR in /etc/default/cis-hardening"
exit 128
fi