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Name	Size	Permission	Date
awk	[ DIR ]	drwxr-xr-x	2026-03-12 14:43
coreutils	[ DIR ]	drwxr-xr-x	2026-05-27 07:00
dovecot	[ DIR ]	drwxr-xr-x	2026-03-12 16:08
gcc	[ DIR ]	drwxr-xr-x	2026-02-26 00:00
getconf	[ DIR ]	drwxr-xr-x	2026-05-28 07:02
git-core	[ DIR ]	drwxr-xr-x	2026-05-27 07:00
openldap	[ DIR ]	drwxr-xr-x	2025-12-11 00:00
openssh	[ DIR ]	drwxr-xr-x	2026-05-27 07:02
passenger	[ DIR ]	drwxr-xr-x	2026-05-27 07:02
utempter	[ DIR ]	drwxr-xr-x	2026-03-12 14:43
fips-crypto-policy-overlay	2.49 KB	-rwxr-xr-x	2026-02-16 13:12
fips-setup-helper	215 B	-rwxr-xr-x	2026-02-16 13:12
grepconf.sh	257 B	-rwxr-xr-x	2024-10-29 00:00

Rename

#!/usr/bin/bash
# SPDX-License-Identifier: LGPL-2.1-or-later

set -u

policyfile=/etc/crypto-policies/config
fipspolicyfile=/usr/share/crypto-policies/default-fips-config
backends=/etc/crypto-policies/back-ends
fipsbackends=/usr/share/crypto-policies/back-ends/FIPS

if ! mountpoint -q /proc; then
        echo "/proc is not mounted" 1>&2
        exit 1
fi

if ! [[ $(cat /proc/sys/crypto/fips_enabled) == 1 ]]; then
        echo "FIPS mode is not enabled." 1>&2
        exit 1
fi

if mountpoint -q "${policyfile}"; then
        if grep -qF " ${fipspolicyfile} ${policyfile} " /proc/self/mountinfo
        then
                echo "${fipspolicyfile} is already mounted over ${policyfile}" \
                        1>&2
                exit 0
        fi
        echo "Warning: ${policyfile} is already mounted over." 1>&2
fi

if mountpoint -q "${backends}"; then
        if grep -qF " ${fipsbackends} ${backends} " /proc/self/mountinfo; then
                echo "${fipsbackends} is already mounted over ${backends}" \
                        1>&2
                exit 0
        fi
        echo "Warning: ${backends} is already mounted over." 1>&2
fi

# When in FIPS mode, check the active crypto policy by reading the
# /etc/crypto-policies/config file. If it is not "FIPS", or does not start
# with "FIPS:", automatically switch to the FIPS policy by creating
# bind-mounts.

if ! [ -f "${policyfile}" ]; then
        echo "${policyfile} is missing." 1>&2
        exit 1
fi

policy=$(cat "${policyfile}")

if [[ "${policy}" == "FIPS" || "${policy}" =~ ^FIPS: ]]; then
        echo "System-wide crypto-policy is already set to ${policy}." 1>&2
        exit 0
fi

# Current crypto policy is not FIPS or FIPS-based, but the system is in FIPS
# mode; this is an inconsistent configuration. Automatically bind-mount a FIPS
# configuration over this.

if ! mount -o bind,ro "${fipsbackends}" "${backends}"; then
        echo -n "Failed to bind-mount FIPS policy over ${backends} " 1>&2
        echo "(the system is in FIPS mode, but the crypto-policy is not)." 1>&2
        exit 1
fi

# Also mount a file containing `FIPS\n` over /etc/crypto-policies/config.

if [ ! -f "${fipspolicyfile}" ]; then
        echo -n "${fipspolicyfile} is missing." 1>&2
        exit 1
fi

if ! mount -o bind,ro "${fipspolicyfile}" "${policyfile}"
then
        echo -n "Failed to bind-mount FIPS crypto-policy state file " 1>&2
        echo -n "over ${policyfile} " 1>&2
        echo "(the system is in FIPS mode, but the crypto-policy is not)." 1>&2
        exit 1
fi