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>
This commit is contained in:
Justin Cormack 2017-01-07 12:06:52 +00:00
parent c43bac064b
commit 91b42cf842
3 changed files with 80 additions and 24 deletions

View File

@ -30,8 +30,8 @@ ARG APT_MIRROR=deb.debian.org
RUN sed -ri "s/(httpredir|deb).debian.org/$APT_MIRROR/g" /etc/apt/sources.list
# Add zfs ppa
RUN apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys E871F18B51E0147C77796AC81196BA81F6B0FC61 \
|| apt-key adv --keyserver hkp://pgp.mit.edu:80 --recv-keys E871F18B51E0147C77796AC81196BA81F6B0FC61
COPY keys/launchpad-ppa-zfs.asc /go/src/github.com/docker/docker/keys/
RUN apt-key add /go/src/github.com/docker/docker/keys/launchpad-ppa-zfs.asc
RUN echo deb http://ppa.launchpad.net/zfs-native/stable/ubuntu trusty main > /etc/apt/sources.list.d/zfs.list
# Packaged dependencies

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@ -26,12 +26,71 @@ set -e
url="https://get.docker.com/"
apt_url="https://apt.dockerproject.org"
yum_url="https://yum.dockerproject.org"
gpg_fingerprint="58118E89F3A912897C070ADBF76221572C52609D"
key_servers="
ha.pool.sks-keyservers.net
pgp.mit.edu
keyserver.ubuntu.com
docker_key="-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: GnuPG v1
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EJOQTvBR8Q==
=Yhur
-----END PGP PUBLIC KEY BLOCK-----
"
mirror=''
@ -125,19 +184,6 @@ check_forked() {
fi
}
rpm_import_repository_key() {
local key=$1; shift
local tmpdir=$(mktemp -d)
chmod 600 "$tmpdir"
for key_server in $key_servers ; do
gpg --homedir "$tmpdir" --keyserver "$key_server" --recv-keys "$key" && break
done
gpg --homedir "$tmpdir" -k "$key" >/dev/null
gpg --homedir "$tmpdir" --export --armor "$key" > "$tmpdir"/repo.key
rpm --import "$tmpdir"/repo.key
rm -rf "$tmpdir"
}
semverParse() {
major="${1%%.*}"
minor="${1#$major.}"
@ -410,10 +456,7 @@ do_install() {
(
set -x
for key_server in $key_servers ; do
$sh_c "apt-key adv --keyserver hkp://${key_server}:80 --recv-keys ${gpg_fingerprint}" && break
done
$sh_c "apt-key adv -k ${gpg_fingerprint} >/dev/null"
echo "$docker_key" | apt-key add -
$sh_c "mkdir -p /etc/apt/sources.list.d"
$sh_c "echo deb \[arch=$(dpkg --print-architecture)\] ${apt_url}/repo ${lsb_dist}-${dist_version} ${repo} > /etc/apt/sources.list.d/docker.list"
$sh_c 'sleep 3; apt-get update; apt-get install -y -q docker-engine'

View File

@ -0,0 +1,13 @@
-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: GnuPG v1
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=qkiU
-----END PGP PUBLIC KEY BLOCK-----