Do not use keyservers to fetch GPG keys for apt
The keyserver infrastructure is unreliable, and just adds another point of failure without adding any security. Instead, commit the key used at build time for ZFS to the repo, and inline our signing key into the install script rather than just its fingerprint. fix #28510 fix #13555 Signed-off-by: Justin Cormack <justin.cormack@docker.com> Upstream-commit: 91b42cf8428ec20c3d6775019ed04d89330c1dcd Component: engine
This commit is contained in:
Justin Cormack
@ -30,8 +30,8 @@ ARG APT_MIRROR=deb.debian.org
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RUN sed -ri "s/(httpredir|deb).debian.org/$APT_MIRROR/g" /etc/apt/sources.list
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# Add zfs ppa
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RUN apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys E871F18B51E0147C77796AC81196BA81F6B0FC61 \
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|| apt-key adv --keyserver hkp://pgp.mit.edu:80 --recv-keys E871F18B51E0147C77796AC81196BA81F6B0FC61
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COPY keys/launchpad-ppa-zfs.asc /go/src/github.com/docker/docker/keys/
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RUN apt-key add /go/src/github.com/docker/docker/keys/launchpad-ppa-zfs.asc
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RUN echo deb http://ppa.launchpad.net/zfs-native/stable/ubuntu trusty main > /etc/apt/sources.list.d/zfs.list
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# Packaged dependencies
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@ -26,12 +26,71 @@ set -e
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url="https://get.docker.com/"
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apt_url="https://apt.dockerproject.org"
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yum_url="https://yum.dockerproject.org"
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gpg_fingerprint="58118E89F3A912897C070ADBF76221572C52609D"
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key_servers="
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ha.pool.sks-keyservers.net
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pgp.mit.edu
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keyserver.ubuntu.com
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docker_key="-----BEGIN PGP PUBLIC KEY BLOCK-----
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Version: GnuPG v1
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EJOQTvBR8Q==
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=Yhur
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-----END PGP PUBLIC KEY BLOCK-----
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"
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mirror=''
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@ -125,19 +184,6 @@ check_forked() {
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fi
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}
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rpm_import_repository_key() {
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local key=$1; shift
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local tmpdir=$(mktemp -d)
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chmod 600 "$tmpdir"
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for key_server in $key_servers ; do
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gpg --homedir "$tmpdir" --keyserver "$key_server" --recv-keys "$key" && break
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done
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gpg --homedir "$tmpdir" -k "$key" >/dev/null
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gpg --homedir "$tmpdir" --export --armor "$key" > "$tmpdir"/repo.key
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rpm --import "$tmpdir"/repo.key
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rm -rf "$tmpdir"
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}
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semverParse() {
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major="${1%%.*}"
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minor="${1#$major.}"
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@ -410,10 +456,7 @@ do_install() {
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(
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set -x
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for key_server in $key_servers ; do
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$sh_c "apt-key adv --keyserver hkp://${key_server}:80 --recv-keys ${gpg_fingerprint}" && break
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done
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$sh_c "apt-key adv -k ${gpg_fingerprint} >/dev/null"
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echo "$docker_key" | apt-key add -
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$sh_c "mkdir -p /etc/apt/sources.list.d"
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$sh_c "echo deb \[arch=$(dpkg --print-architecture)\] ${apt_url}/repo ${lsb_dist}-${dist_version} ${repo} > /etc/apt/sources.list.d/docker.list"
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$sh_c 'sleep 3; apt-get update; apt-get install -y -q docker-engine'
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13
components/engine/keys/launchpad-ppa-zfs.asc
Normal file
13
components/engine/keys/launchpad-ppa-zfs.asc
Normal file
@ -0,0 +1,13 @@
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-----BEGIN PGP PUBLIC KEY BLOCK-----
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Version: GnuPG v1
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=qkiU
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-----END PGP PUBLIC KEY BLOCK-----
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