Marc S. Weidner
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Signed-off-by: Marc S. Weidner <msw@coresecret.dev>
59 lines
2.1 KiB
Bash
59 lines
2.1 KiB
Bash
#!/bin/bash
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# SPDX-Version: 3.0
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# SPDX-CreationInfo: 2025-06-17; WEIDNER, Marc S.; <msw@coresecret.dev>
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# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.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.; <msw@coresecret.dev>
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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.debian.installer.secure framework.
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# SPDX-PackageName: CISS.debian.installer
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# SPDX-Security-Contact: security@coresecret.eu
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guard_sourcing
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#######################################
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# Configure target system for chroot.
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# Globals:
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# ERR_CHRT_MOUNTS
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# TARGET
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# Arguments:
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# None
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# Returns:
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# ERR_CHRT_MOUNTS
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# 0: on success
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#######################################
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configure_system() {
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### Notes
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# --rbind: recursive binding.
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# --make-rslave: In this case, the mount point is marked as 'slave'.
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# This means changes to the source mount (e.g., /proc) are propagated to the target mount (e.g., "${TARGET}"/proc).
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# Conversely, changes to the target mount are not propagated back to the source mount.
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# This mode is necessary to avoid problems with double or erroneous propagation effects in chroot or container environments.
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declare var_src var_dst
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declare -a ary_mounts=(proc sys dev run)
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for var_src in "${ary_mounts[@]}"; do
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var_dst="${TARGET}/${var_src}"
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mkdir -p "${var_dst}"
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if ! mount --make-rslave --rbind "/${var_src}" "${var_dst}"; then
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do_log "emergency" "file_only" "Failed: 'mount --make-rslave --rbind /${var_src} ${var_dst}'."
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return "${ERR_CHRT_MOUNTS}"
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fi
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do_log "info" "file_only" "Success: 'mount --make-rslave --rbind /${var_src} ${var_dst}'."
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done
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if ! do_in_target "${TARGET}" mkdir -p /etc/systemd/system/multi-user.target.wants; then
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return "${ERR_CHRT_MOUNTS}"
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fi
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do_log "info" "file_only" "Command: 'mkdir -p /etc/systemd/system/multi-user.target.wants' executed in: '${TARGET}'."
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return 0
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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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