Marc S. Weidner
60374476ab
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Signed-off-by: Marc S. Weidner <msw@coresecret.dev>
76 lines
2.3 KiB
Bash
76 lines
2.3 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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mkdir -p /etc/systemd/system/clamav-daemon.service.d
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cat << 'EOF' >| /etc/systemd/system/clamav-daemon.service.d/override.conf
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[Service]
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User=clamav
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Group=clamav
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ProtectSystem=full
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ProtectHome=read-only
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PrivateTmp=yes
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NoNewPrivileges=yes
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PermissionsStartOnly=true
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ExecStartPre=/bin/mkdir -p /run/clamav
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ExecStartPre=/bin/chown clamav:clamav /run/clamav
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ExecStartPre=/bin/chmod 750 /run/clamav
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ReadOnlyPaths=/
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ReadWritePaths=/var/lib/clamav /var/log/clamav /var/run/clamav /run/clamav
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MemoryDenyWriteExecute=yes
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#MemoryLimit=4096M
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#CPUShares=512
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RestrictAddressFamilies=AF_INET AF_INET6
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RestrictNamespaces=yes
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RestrictRealtime=yes
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SystemCallFilter=@system-service
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CapabilityBoundingSet=CAP_NET_BIND_SERVICE CAP_SYS_NICE
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EOF
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chmod 0644 /etc/systemd/system/clamav-daemon.service.d/override.conf
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mkdir -p /etc/systemd/system/clamav-freshclam.service.d
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cat << 'EOF' >| /etc/systemd/system/clamav-freshclam.service.d/override.conf
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[Service]
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User=clamav
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Group=clamav
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ProtectSystem=full
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ProtectHome=read-only
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PrivateTmp=yes
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NoNewPrivileges=yes
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ReadOnlyPaths=/
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ReadWritePaths=/var/lib/clamav /var/log/clamav /var/run/clamav
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MemoryDenyWriteExecute=yes
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#MemoryLimit=4096M
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#CPUShares=512
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RestrictAddressFamilies=AF_INET AF_INET6
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RestrictNamespaces=yes
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RestrictRealtime=yes
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SystemCallFilter=@system-service
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CapabilityBoundingSet=CAP_NET_BIND_SERVICE CAP_SYS_NICE
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EOF
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chmod 0644 /etc/systemd/system/clamav-freshclam.service.d/override.conf
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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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