Marc S. Weidner
60374476ab
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Signed-off-by: Marc S. Weidner <msw@coresecret.dev>
70 lines
2.4 KiB
Bash
70 lines
2.4 KiB
Bash
#!/bin/bash
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# SPDX-Version: 3.0
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# SPDX-CreationInfo: 2025-10-11; WEIDNER, Marc S.; <msw@coresecret.dev>
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# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.live.builder.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.; <msw@coresecret.dev>
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# SPDX-FileType: SOURCE
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# SPDX-License-Identifier: LicenseRef-CNCL-1.1 OR LicenseRef-CCLA-1.1
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# SPDX-LicenseComment: This file is part of the CISS.debian.installer.secure framework.
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# SPDX-PackageName: CISS.debian.live.builder
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# SPDX-Security-Contact: security@coresecret.eu
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set -Ceuo pipefail
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printf "\e[95m++++ ++++ ++++ ++++ ++++ ++++ ++ 🧪 '%s' starting ... \e[0m\n" "${0}"
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# shellcheck disable=SC2155
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declare -r VAR_DATE="$(date +%F)"
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mv /etc/network/interfaces /root/.ciss/cdlb/backup/interfaces.chroot
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rm -f /etc/network/interfaces
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cat << EOF >| /etc/network/interfaces
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# SPDX-Version: 3.0
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# SPDX-CreationInfo: ${VAR_DATE}; WEIDNER, Marc S.; <msw@coresecret.dev>
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# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.live.builder.git
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# SPDX-FileContributor: WEIDNER, Marc S.; Centurion Intelligence Consulting Agency
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# SPDX-FileCopyrightText: 2024-2025; WEIDNER, Marc S.; <msw@coresecret.dev>
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# SPDX-FileType: SOURCE
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# SPDX-License-Identifier: LicenseRef-CNCL-1.1 OR LicenseRef-CCLA-1.1
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# SPDX-LicenseComment: This file is part of the CISS.debian.installer.secure framework.
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# SPDX-PackageName: CISS.debian.live.builder
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# SPDX-Security-Contact: security@coresecret.eu
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# This file describes the network interfaces available on your system
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# and how to activate them. For more information, see interfaces(5).
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EOF
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cat << 'EOF' >> /etc/network/interfaces
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### The loopback network interface
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auto lo
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iface lo inet loopback
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### Fully dynamic interface
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auto dynamic
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iface dynamic inet dhcp
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pre-up \
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IFACE=$(ip -o link show \
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| awk -F': ' '{print $2}' \
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| grep -m1 -v lo) && \
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echo "Using interface $IFACE as dynamic" && \
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ip link set dev "$IFACE" up && \
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ip link set dev "$IFACE" name dynamic
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post-down \
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ip link set dev dynamic name "$IFACE" && \
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echo "Restored interface name $IFACE"
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source /etc/network/interfaces.d/*
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# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
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EOF
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chmod 0644 /etc/network/interfaces
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printf "\e[92m++++ ++++ ++++ ++++ ++++ ++++ ++ ✅ '%s' applied successfully. \e[0m\n" "${0}"
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exit 0
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# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
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