Marc S. Weidner
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Signed-off-by: Marc S. Weidner <msw@coresecret.dev>
103 lines
3.4 KiB
Bash
103 lines
3.4 KiB
Bash
#!/bin/bash
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# SPDX-Version: 3.0
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# SPDX-CreationInfo: 2025-02-13; WEIDNER, Marc S.; <cendev@coresecret.eu>
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# SPDX-ExternalRef: GIT https://cendev.eu/marc.weidner/CISS.2025.debian.installer.git
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# SPDX-FileContributor: WEIDNER, Marc S.; Centurion Intelligence Consulting Agency
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# SPDX-FileCopyrightText: 2024-2025; WEIDNER, Marc S.; <cendev@coresecret.eu>
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# SPDX-FileType: SOURCE
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# SPDX-License-Identifier: EUPL-1.2 OR LicenseRef-CCLA-1.0
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# SPDX-LicenseComment: This file is part of the CISS.2025.hardened.installer framework.
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# SPDX-PackageName: CISS.2025.hardened.installer
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# SPDX-Security-Contact: security@coresecret.eu
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###########################################################################################
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# 3.7.9. Functions - installation - setup hostname #
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###########################################################################################
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###########################################################################################
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# Generate files: '/etc/hostname' | '/etc/hosts' | '/etc/mailname'
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# Globals:
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# FINAL_FQDN
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# FINAL_IPV4_ADDRESS
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# FINAL_IPV6
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# FINAL_IPV6_ADDRESS
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# MODULE_ERR
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# MODULE_TXT
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# TARGET
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# network_hostname
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# network_ipv6
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# Arguments:
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# None
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###########################################################################################
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3_7_9_functions_installation_setup_hostname() {
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declare -g -x MODULE_ERR="3_7_9_functions_installation_setup_hostname"
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declare -g -x MODULE_TXT="Setup hostname '${network_hostname}'"
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do_show_header "${MODULE_TXT}"
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# Create '${TARGET}/etc/hostname' file.
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if [[ -f "${TARGET}"/etc/hostname ]]; then
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rm "${TARGET}"/etc/hostname
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do_log "info" "false" "Existing '${TARGET}/etc/hostname' removed."
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fi
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touch "${TARGET}"/etc/hostname
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chmod 0644 "${TARGET}"/etc/hostname
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cat << EOF >> "${TARGET}"/etc/hostname
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"${FINAL_FQDN}"
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EOF
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do_log "info" "false" "File generated: '${TARGET}/etc/hostname' | hostname '${network_hostname}'."
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# Create '${TARGET}/etc/mailname' file.
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if [[ -f "${TARGET}"/etc/mailname ]]; then
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rm "${TARGET}"/etc/mailname
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do_log "info" "false" "Existing '${TARGET}/etc/mailname' removed."
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fi
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touch "${TARGET}"/etc/mailname
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chmod 0644 "${TARGET}"/etc/mailname
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cat << EOF >> "${TARGET}"/etc/mailname
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"${FINAL_FQDN}"
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EOF
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do_log "info" "false" "File generated: '${TARGET}/etc/mailname' | mailname '${network_hostname}'."
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# Generate '${TARGET}/etc/hosts' basic IPv4 entries
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if [[ -f "${TARGET}"/etc/hosts ]]; then
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rm "${TARGET}"/etc/hosts
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do_log "info" "false" "Existing '${TARGET}/etc/hosts' removed."
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fi
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touch "${TARGET}"/etc/hosts
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chmod 0644 "${TARGET}"/etc/hosts
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cat << EOF >> "${TARGET}"/etc/hosts
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127.0.0.1 localhost
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"${FINAL_IPV4_ADDRESS}" "${FINAL_FQDN}"
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EOF
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do_log "info" "false" "File generated: '${TARGET}/etc/hosts' with basic IPv4 entries."
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# Generate '${TARGET}/etc/hosts' basic IPv6 entries
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if [[ ${FINAL_IPV6,,} == "true" || ${network_ipv6,,} == "true" ]]; then
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cat << EOF >> "${TARGET}"/etc/hosts
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# The following lines are desirable for IPv6 capable hosts
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::1 localhost ip6-localhost ip6-loopback
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fe00::0 ip6-localnet
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ff00::0 ip6-mcastprefix
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ff02::1 ip6-allnodes
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ff02::2 ip6-allrouters
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ff02::3 ip6-allhosts
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"${FINAL_IPV6_ADDRESS}" "${FINAL_FQDN}"
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EOF
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do_log "info" "false" "File updated: '${TARGET}/etc/hosts' with basic IPv6 entries."
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fi
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do_show_footer "${MODULE_TXT}"
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}
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# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh:
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