Marc S. Weidner
60374476ab
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Signed-off-by: Marc S. Weidner <msw@coresecret.dev>
50 lines
1.7 KiB
Bash
50 lines
1.7 KiB
Bash
#!/bin/bash
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# SPDX-Version: 3.0
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# SPDX-CreationInfo: 2025-05-05; 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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#######################################
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# Scanner for 'libwrap' usage.
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# Globals:
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# CGRE
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# CRES
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# NL
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# Arguments:
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# None
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#######################################
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scanlw() {
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printf "%s🔍 Scanning all running processes for 'libwrap' usage ... %s%s" "${CGRE}" "${CRES}" "${NL}"
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printf "\n"
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### Collect binaries from all running PIDs.
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declare pid exe_path comm user
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for pid in $(ps -e -o pid=); do
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exe_path=$(readlink -f "/proc/${pid}/exe" 2>/dev/null)
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### Skip if not a regular executable.
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[[ -x "${exe_path}" ]] || continue
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### Check if the binary is linked with libwrap.
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# shellcheck disable=SC2312
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if ldd "${exe_path}" 2>/dev/null | grep -q "libwrap"; then
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comm=$(ps -p "${pid}" -o comm=)
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user=$(ps -p "${pid}" -o user=)
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printf "%s✅ PID: %s (%s) [User: %s] is linked with 'libwrap.so'. %s%s" "${CGRE}" "${pid}" "${comm}" "${user}" "${CRES}" "${NL}"
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fi
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done
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printf "\n"
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printf "%s✅ Scan complete. %s%s" "${CGRE}" "${CRES}" "${NL}"
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exit 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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