From c788fc9f9e2c9128ea0dd5f28c1bafe8ba3b369c Mon Sep 17 00:00:00 2001
From: Alex Auvolat <alex@adnab.me>
Date: Sun, 12 Apr 2020 19:18:31 +0200
Subject: Cleanup

---
 genkeys.sh | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

(limited to 'genkeys.sh')

diff --git a/genkeys.sh b/genkeys.sh
index ae493248..92d86ab8 100755
--- a/genkeys.sh
+++ b/genkeys.sh
@@ -7,6 +7,8 @@ cd $(dirname $0)
 mkdir -p pki
 cd pki
 
+# Create a certificate authority that both the client side and the server side of
+# the RPC protocol will use to authenticate the other side.
 if [ ! -f garage-ca.key ]; then
     echo "Generating Garage CA keys..."
 	openssl genrsa -out garage-ca.key 4096
@@ -14,6 +16,9 @@ if [ ! -f garage-ca.key ]; then
 fi
 
 
+# Generate a certificate that can be used either as a server certificate
+# or a client certificate. This is what the RPC client and server will use
+# to prove that they are authenticated by the CA.
 if [ ! -f garage.crt ]; then
 	echo "Generating Garage agent keys..."
 	if [ ! -f garage.key ]; then
@@ -46,3 +51,33 @@ EOF
 		-CA garage-ca.crt -CAkey garage-ca.key -CAcreateserial \
 		-out garage.crt -days 365
 fi
+
+# Client-only certificate used for the CLI
+if [ ! -f garage-client.crt ]; then
+	echo "Generating Garage client keys..."
+	if [ ! -f garage-client.key ]; then
+		openssl genrsa -out garage-client.key 4096
+	fi
+	openssl req -new -sha256 -key garage-client.key -subj "/C=FR/O=Garage" \
+		-out garage-client.csr
+	openssl req -in garage-client.csr -noout -text
+	openssl x509 -req -in garage-client.csr \
+		-extensions v3_req \
+		-extfile <(cat <<EOF
+[req]
+distinguished_name = req_distinguished_name
+req_extensions = v3_req
+prompt = no
+
+[req_distinguished_name]
+C = FR
+O = Garage
+
+[v3_req]
+keyUsage = keyEncipherment, dataEncipherment
+extendedKeyUsage = clientAuth
+EOF
+) \
+		-CA garage-ca.crt -CAkey garage-ca.key -CAcreateserial \
+		-out garage-client.crt -days 365
+fi
-- 
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