Marc S. Weidner
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🛡️ Shell Script Linting / 🛡️ Shell Script Linting (push) Successful in 1m55s
Signed-off-by: Marc S. Weidner <msw@coresecret.dev>
112 lines
3.5 KiB
Bash
112 lines
3.5 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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# Use do_in_target() for:
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# simple commands (e.g., dpkg, ln, mkdir, apt, etc.)
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# Use do_in_target_script() for:
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# all shell scripts, redirects, pipes, conditions, loops, or subshells
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#######################################
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#######################################
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# Wrapper for executing commands in the desired chroot environment.
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# Globals:
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# ERR_CHRT_COMMAND
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# TERM
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# Arguments:
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# 1: Target of the chroot environment.
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# 2: Commands and options and parameters to be executed in chroot.
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# Returns:
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# 0: on success
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# ERR_CHRT_COMMAND: on failure
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#######################################
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do_in_target() {
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declare var_chroot_target="$1"
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shift
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declare -a ary_chroot_command=("$@")
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if (( ${#ary_chroot_command[@]} == 0 )); then
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do_log "emergency" "true" "Empty command passed to 'do_in_target()'."
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return "${ERR_CHRT_COMMAND}"
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fi
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if chroot "${var_chroot_target}" /usr/bin/env -i \
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HOME=/root \
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PATH=/usr/sbin:/usr/bin:/sbin:/bin \
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TERM="${TERM}" \
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"${ary_chroot_command[@]}"
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then
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do_log "info" "true" "Success: chroot '${var_chroot_target}': '${ary_chroot_command[*]}'."
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return 0
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else
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do_log "emergency" "true" "Failed: chroot '${var_chroot_target}': '${ary_chroot_command[*]}'."
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return "${ERR_CHRT_COMMAND}"
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fi
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}
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#######################################
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# Execute a full shell script line inside the chroot via bash -c.
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# Supports interactive debug shell on error.
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# Globals:
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# ERR_CHRT_COMMAND
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# TERM
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# DEBUG_INTERACTIVE (optional boolean)
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# Arguments:
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# 1: Target of the chroot environment
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# 2: Command string to execute inside a shell (quoted)
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# Returns:
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# 0: on success
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# ERR_CHRT_COMMAND: on failure
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#######################################
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do_in_target_script() {
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declare var_chroot_target="$1"
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shift
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declare var_chroot_script="$1"
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if [[ -z "${var_chroot_script}" ]]; then
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do_log "emergency" "true" "Empty command passed to 'do_in_target_script()'."
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return "${ERR_CHRT_COMMAND}"
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fi
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do_log "debug" "true" "Evaluating chroot script in '${var_chroot_target}': '${var_chroot_script}'."
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if chroot "${var_chroot_target}" /usr/bin/env -i \
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HOME=/root \
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PATH=/usr/sbin:/usr/bin:/sbin:/bin \
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TERM="${TERM}" \
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/bin/bash -c "${var_chroot_script}"
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then
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do_log "info" "true" "Success: chroot '${var_chroot_target}': '${var_chroot_script}'."
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return 0
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else
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declare -i var_chroot_rc="${?}"
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do_log "emergency" "true" "Failure: chroot '${var_chroot_target}': '${var_chroot_script}'."
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do_log "debug" "true" "Return code: '${var_chroot_rc}'."
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# TODO: Tests with Dialog Wrapper in interactive mode.
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#if [[ "${DEBUG_INTERACTIVE}" == "true" ]]; then
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# do_log "warning" "true" "Launching interactive debug shell in chroot: '${var_chroot_target}'."
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# chroot "${var_chroot_target}" /bin/bash -l
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#fi
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return "${ERR_CHRT_COMMAND}"
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fi
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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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