V8.00.000.2025.06.17

Signed-off-by: Marc S. Weidner <msw@coresecret.dev>
2025-07-15 22:10:31 +02:00
parent 0bd2e67810
commit 1acc23c70b
6 changed files with 223 additions and 103 deletions
--- a/source/func/3.8.2.functions_installation_setup_ssh.sh
+++ b/source/func/3.8.2.functions_installation_setup_ssh.sh
@@ -1,100 +0,0 @@
-#!/bin/bash
-# SPDX-Version: 3.0
-# SPDX-CreationInfo: 2025-02-13; WEIDNER, Marc S.; <cendev@coresecret.eu>
-# SPDX-ExternalRef: GIT https://cendev.eu/marc.weidner/CISS.2025.debian.installer.git
-# SPDX-FileContributor: WEIDNER, Marc S.; Centurion Intelligence Consulting Agency
-# SPDX-FileCopyrightText: 2024-2025; WEIDNER, Marc S.; <cendev@coresecret.eu>
-# SPDX-FileType: SOURCE
-# SPDX-License-Identifier: EUPL-1.2 OR LicenseRef-CCLA-1.0
-# SPDX-LicenseComment: This file is part of the CISS.2025.hardened.installer framework.
-# SPDX-PackageName: CISS.2025.hardened.installer
-# SPDX-Security-Contact: security@coresecret.eu
-
-###########################################################################################
-# 3.8.2. Functions - installation - setup ssh                                             #
-###########################################################################################
-
-###########################################################################################
-# Setup ssh server
-# Globals:
-#   DIR_BAK
-#   DIR_LOG
-#   FINAL_FQDN
-#   FINAL_IPV4_ADDRESS
-#   FINAL_IPV6_ADDRESS
-#   MODULE_ERR
-#   MODULE_TXT
-#   PATH_ABS
-#   TARGET
-#   accounts_ssh
-#   accounts_user_login
-#   accounts_user_name
-# Arguments:
-#   None
-###########################################################################################
-3_8_2_functions_installation_setup_ssh() {
-  declare -g -x MODULE_ERR="3_8_2_functions_installation_setup_ssh"
-  declare -g -x MODULE_TXT="Setup ssh"
-  do_show_header "${MODULE_TXT}"
-
-  do_in_target "${TARGET}" apt-get install -y ssh
-  do_log "info" "false" "Command: 'apt-get install -y ssh' executed in: '${TARGET}'."
-
-  rm -rf "${TARGET}"/etc/ssh/ssh_host_*key*
-
-  do_in_target "${TARGET}" ssh-keygen -o -a "${accounts_ssh-keyrounds}" -N "" -t ed25519 -f /etc/ssh/ssh_host_ed25519_key -C "root@${FINAL_FQDN}-$(date -I)"
-  do_log "info" "false" "Generated ed25519 SSH Key, executed in: '${TARGET}'."
-
-  do_in_target "${TARGET}" ssh-keygen -o -a "${accounts_ssh-keyrounds}" -N "" -t rsa -b 4096 -f /etc/ssh/ssh_host_rsa_key -C "root@${FINAL_FQDN}-$(date -I)"
-  do_log "info" "false" "Generated RSA4096 SSH Key, executed in chroot."
-
-  declare TIMESTAMP
-  TIMESTAMP=$(do_get_timestamp)
-
-  echo "${TIMESTAMP}" >> "${DIR_LOG}"sshd_config.log && sshd -T >> "${DIR_LOG}"sshd_config.log
-  echo "${TIMESTAMP}" >> "${DIR_LOG}"ssh.log && ssh-keygen -r @ >> "${DIR_LOG}"ssh.log
-
-  cp -u "${TARGET}"/etc/ssh/sshd_config "${DIR_BAK}"sshd_config.bak
-  chmod 0644 "${DIR_BAK}"sshd_config.bak
-  cp -u "${TARGET}"/etc/ssh/ssh_config "${DIR_BAK}"ssh_config.bak
-  chmod 0644 "${DIR_BAK}"ssh_config.bak
-
-  rm "${TARGET}"/etc/ssh/sshd_config
-
-  cp "${PATH_ABS}"/.assets/sshd_config "${TARGET}"/etc/ssh/sshd_config
-
-  sed -i "s/ListenAddress				0.0.0.0/ListenAddress				${FINAL_IPV4_ADDRESS}/" "${TARGET}"/etc/ssh/sshd_config
-
-  if [[ -n ${FINAL_IPV6_ADDRESS} ]]; then
-    sed -i "s/ListenAddress				::/ListenAddress				${FINAL_IPV6_ADDRESS}/" "${TARGET}"/etc/ssh/sshd_config
-  else
-    sed -i "/^\s*ListenAddress\s*::/d" "${TARGET}"/etc/ssh/sshd_config
-  fi
-
-  sed -i "s/Port					22/Port					${accounts_ssh-port}/" "${TARGET}"/etc/ssh/sshd_config
-
-  if [[ ${accounts_user_login,,} == "true"  ]]; then
-    sed -i "s/AllowUsers				DUMMYSTRING/AllowUsers				root ${accounts_user_name}/" "${TARGET}"/etc/ssh/sshd_config
-  else
-    sed -i "s/AllowUsers				DUMMYSTRING/AllowUsers				root/" "${TARGET}"/etc/ssh/sshd_config
-  fi
-
-  chmod 0600 "${TARGET}"/etc/ssh/sshd_config "${TARGET}"/etc/ssh/ssh_config
-  TIMESTAMP=$(do_get_timestamp)
-  echo "${TIMESTAMP}" >> "${DIR_LOG}"ssh.log
-  do_in_target "${TARGET}" /bin/bash -c "sshd -T >> ${DIR_LOG}ssh.log"
-
-  ###########################################################################################
-  # Remarks: The file /etc/profile.d/idle-users.sh is created to set two read-only          #
-  # environment variables: TMOUT and HISTFILE.                                              #
-  # TMOUT=14400 ensures that users are automatically logged out after 4 hours of inactivity.#
-  # readonly HISTFILE ensures that the command history cannot be changed.                   #
-  # The chmod +x command ensures that the file is executed in every shell session.          #
-  ###########################################################################################
-  echo "readonly TMOUT=14400" >> "${TARGET}"/etc/profile.d/idle-users.sh
-  echo "readonly HISTFILE" >> "${TARGET}"/etc/profile.d/idle-users.sh
-  chmod +x "${TARGET}"/etc/profile.d/idle-users.sh
-
-  do_show_footer "${MODULE_TXT}"
-}
-# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh: