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moby--moby/hack/generate-test-certs.sh
Sebastiaan van Stijn 1d4a06e610
hack: add script to regenerate certificates
Certificates were originally added in c000cb6471,
but did not include a script to generate them. Current versions of Go expect
certificates to use SAN instead of Common Name fields, so updating the script
to include those;

    x509: certificate relies on legacy Common Name field, use SANs or temporarily
    enable Common Name matching with GODEBUG=x509ignoreCN=0

Some fields were updated to be a bit more descriptive (instead of "replaceme"),
and the `-text` option was used to include a human-readable variant of the
content.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 2fea30f146)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2021-07-15 22:23:47 +02:00

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#!/bin/bash
set -eu
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd -P)"
# integration/testdata/https (and integration-cli/fixtures/https, which has symlinks to these files)
OUT_DIR="${SCRIPT_DIR}/../integration/testdata/https"
# generate CA
echo 01 > "${OUT_DIR}/ca.srl"
openssl genrsa -out "${OUT_DIR}/ca-key.pem"
openssl req \
-new \
-x509 \
-days 3652 \
-subj "/C=US/ST=CA/L=SanFrancisco/O=Moby-project/OU=ci/CN=moby-ci/name=moby/emailAddress=moby@example.org" \
-nameopt compat \
-text \
-key "${OUT_DIR}/ca-key.pem" \
-out "${OUT_DIR}/ca.pem"
# Now that we have a CA, create a server key and certificate signing request.
# Make sure that `"Common Name (e.g. server FQDN or YOUR name)"` matches the hostname you will use
# to connect or just use '*' for a certificate valid for any hostname:
openssl genrsa -out server-key.pem
openssl req -new \
-subj "/C=US/ST=CA/L=SanFrancisco/O=Moby-project/OU=ci/CN=server/name=moby/emailAddress=moby@example.org" \
-text \
-key "${OUT_DIR}/server-key.pem" \
-out "${OUT_DIR}/server.csr"
# Options for server certificate
cat > "${OUT_DIR}/server-options.cfg" << 'EOF'
basicConstraints=CA:FALSE
subjectKeyIdentifier=hash
authorityKeyIdentifier=keyid,issuer
extendedKeyUsage=serverAuth
subjectAltName=DNS:*,DNS:localhost,IP:127.0.0.1,IP:::1
EOF
# Generate the certificate and sign with our CA
openssl x509 \
-req \
-days 3652 \
-extfile "${OUT_DIR}/server-options.cfg" \
-CA "${OUT_DIR}/ca.pem" \
-CAkey "${OUT_DIR}/ca-key.pem" \
-nameopt compat \
-text \
-in "${OUT_DIR}/server.csr" \
-out "${OUT_DIR}/server-cert.pem"
# For client authentication, create a client key and certificate signing request
openssl genrsa -out "${OUT_DIR}/client-key.pem"
openssl req -new \
-subj "/C=US/ST=CA/L=SanFrancisco/O=Moby-project/OU=ci/CN=client/name=moby/emailAddress=moby@example.org" \
-text \
-key "${OUT_DIR}/client-key.pem" \
-out "${OUT_DIR}/client.csr"
# Options for client certificate
cat > "${OUT_DIR}/client-options.cfg" << 'EOF'
basicConstraints=CA:FALSE
subjectKeyIdentifier=hash
authorityKeyIdentifier=keyid,issuer
extendedKeyUsage=clientAuth
subjectAltName=DNS:*,DNS:localhost,IP:127.0.0.1,IP:::1
EOF
# Generate the certificate and sign with our CA:
openssl x509 \
-req \
-days 3652 \
-extfile "${OUT_DIR}/client-options.cfg" \
-CA "${OUT_DIR}/ca.pem" \
-CAkey "${OUT_DIR}/ca-key.pem" \
-nameopt compat \
-text \
-in "${OUT_DIR}/client.csr" \
-out "${OUT_DIR}/client-cert.pem"
rm "${OUT_DIR}/ca.srl"
rm "${OUT_DIR}/ca-key.pem"
rm "${OUT_DIR}"/*.cfg
rm "${OUT_DIR}"/*.csr