shadowdaoandClaude Opus 5.5
18f65c6d84
Security review follow-up for the opt-in PKG_CACHE path: - PKG_CACHE must be https:// (http is refused). The cache's certificate comes from a name-constrained internal CA (keys/pkg-cache/ca.crt, valid only for 192.168.1.40 / pkg-cache.*). The CA is trusted only by the rewritten repos (dnf sslcacert bundle, apt per-host CaInfo) and only for the duration of the RUN. - epel-release / remi-release are no longer installed straight from a URL. release-install downloads them over HTTPS, checks the package name, imports the signing keys committed in keys/pkg-cache/ and requires `rpm -K` "signatures OK", then installs with localpkg_gpgcheck=1. This applies with and without the cache. - Rewritten repos get gpgcheck=1. Remi and AlmaLinux also get repo_gpgcheck=1, since both sign repomd.xml. EPEL does not publish a repomd signature, so it relies on end-to-end HTTPS. - restore also deletes files it created and any new repo/apt file that still references the cache, then fails the build if a reference remains under /etc/yum.repos.d, /etc/dnf or /etc/apt. - docs: trust model, replay risk, proposed openssl/httpd/ImageMagick minimum-version gates, TLS registry mirror (BuildKit ca= / dockerd certs.d, no insecure-registries). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
89 lines
4.6 KiB
Docker
89 lines
4.6 KiB
Docker
FROM almalinux/10-base
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ARG PHPVER=83
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# Per-CI-run value: the first RUN below (dnf update) and everything after it can
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# never be a layer-cache hit, so every build gets the repos' current packages.
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# Local builds: --build-arg CACHE_BUST=$(date +%s) or --no-cache.
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ARG CACHE_BUST=
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# php.net's current release for this branch (CI); the build fails on older PHP.
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ARG EXPECT_PHP_MIN=
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# OPTIONAL internal package cache, e.g. --build-arg PKG_CACHE=https://192.168.1.40
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# (CT130 pkg-cache, https only). Unset = upstream repositories. Release RPMs are
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# GPG-verified against keys/pkg-cache/ either way. Repo files
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# are restored at the end of every RUN, so no layer keeps the cache address.
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# See scripts/pkg-cache-repos.sh.
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ARG PKG_CACHE=
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COPY ./scripts/pkg-cache-repos.sh /usr/local/sbin/pkg-cache-repos.sh
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COPY ./keys/pkg-cache/ /usr/local/share/pkg-cache/
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# Install repos, update, install only needed packages, clean up in one layer
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RUN /usr/local/sbin/pkg-cache-repos.sh rpm && \
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/usr/local/sbin/pkg-cache-repos.sh release-install epel remi && \
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# Use Remi's origin, not the mirrorlist: during the 2026-10-21 PHP security
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# release the mirrors lagged hours behind (still 8.2.34 when 8.2.35 was out),
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# so builds shipped unpatched PHP. HTTPS first; plain http only as a fallback
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# because the origin's HTTPS dropped/timed out under that day's load. A
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# replayed (old) http index can't ship old PHP: packages stay GPG-checked and
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# the EXPECT_PHP_MIN gate below fails the build on anything older than php.net.
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sed -i -e 's|^#baseurl=http://\(.*\)$|baseurl=https://\1 http://\1|' -e 's/^mirrorlist=/#mirrorlist=/' /etc/yum.repos.d/remi*.repo && \
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/usr/local/sbin/pkg-cache-repos.sh rpm && \
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printf 'retries=10\ntimeout=60\n' >> /etc/dnf/dnf.conf && \
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dnf update -y && \
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dnf install -y httpd mod_ssl openssl wget procps cronie iproute postgresql-devel microdnf less git \
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nano rsync unzip zip mariadb bind-utils jq patch nc tree dos2unix && \
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/usr/local/sbin/pkg-cache-repos.sh restore && \
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dnf clean all && \
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rm -rf /var/cache/dnf /usr/share/doc /usr/share/man /usr/share/locale/*
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# Copy scripts into the image and set permissions
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COPY ./scripts/ /scripts/
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RUN chmod +x /scripts/*
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# Install ImageMagick from EPEL with HEIC/HEIF/AVIF support
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RUN /usr/local/sbin/pkg-cache-repos.sh rpm && \
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dnf install -y ImageMagick ImageMagick-libs ImageMagick-heic && \
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/usr/local/sbin/pkg-cache-repos.sh restore && \
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dnf clean all
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# Generate self-signed cert, create needed dirs, install PHP, clean up
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RUN openssl req -newkey rsa:2048 -nodes -keyout /etc/pki/tls/private/localhost.key -x509 -days 3650 -subj "/CN=localhost" -out /etc/pki/tls/certs/localhost.crt && \
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mkdir -p /run/php-fpm/ && \
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/usr/local/sbin/pkg-cache-repos.sh rpm && \
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/scripts/install-php$PHPVER.sh && \
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/usr/local/sbin/pkg-cache-repos.sh restore && \
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# CI passes php.net's current release for the branch; never ship older PHP.
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if [ -n "$EXPECT_PHP_MIN" ]; then \
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php -r 'exit(version_compare(PHP_VERSION, getenv("EXPECT_PHP_MIN"), ">=") ? 0 : 1);' || \
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{ echo "FATAL: built PHP $(php -r 'echo PHP_VERSION;') is older than php.net $EXPECT_PHP_MIN"; exit 1; }; \
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else echo "WARNING: no EXPECT_PHP_MIN (local build) - PHP version not gated"; fi && \
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echo "PHP version report:" && php -v && rpm -q php-cli php-common php-fpm && \
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rm -rf /tmp/*
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# Download and install wp-cli (consider pinning version for reproducibility)
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RUN curl -L -o /usr/local/bin/wp https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar && \
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chmod +x /usr/local/bin/wp
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# Download and install Composer
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RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer && \
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chmod +x /usr/local/bin/composer
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# Copy configs and web files
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COPY ./configs/default-index.conf /etc/httpd/conf.d/
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COPY ./configs/prod-php.ini /etc/php.ini
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# php2shell mitigation (CVE-2026-109618/-109619). Named zz- so it sorts after
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# every other scan-dir ini (incl. runtime-written 99-*) and wins. Remove once
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# all images ship PHP >= 8.2.35 / 8.3.36 / 8.4.27 / 8.5.12.
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COPY ./configs/zz-php2shell-mitigation.ini /etc/php.d/zz-php2shell-mitigation.ini
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COPY ./configs/phpinfo.php /var/www/html/
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COPY ./configs/mariadb.repo /etc/yum.repos.d/
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COPY ./configs/index.php /var/www/html/
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COPY ./configs/remote_ip.conf /etc/httpd/conf.d/
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COPY ./configs/whp-security.conf /etc/httpd/conf.d/
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# Set up cron job in a single layer
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RUN echo "15 */12 * * * root /scripts/log-rotate.sh" >> /etc/crontab
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HEALTHCHECK --interval=30s --timeout=5s --start-period=60s --retries=3 \
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CMD curl -f http://localhost/ || exit 1
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ENTRYPOINT [ "/scripts/entrypoint.sh" ]
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