Generate config file and host it on a local port

3 files changed, 32 insertions, 13 deletions

diff --git a/Dockerfile b/Dockerfile
index c9532aa..2330bd5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.8
+FROM golang:alpine
 
 # Set up workdir
 RUN mkdir -p /prod/persist
@@ -16,6 +16,10 @@ RUN chmod +x /prod/chainloader.sh
 COPY server.conf /prod/server.conf
 COPY client.conf /prod/client.conf
 
+# Copy client config host code and compile it
+COPY host.go /tmp/host.go
+RUN go build -o /prod/confhost /tmp/host.go
+
 # Create jail user
 # (We're dropping it to this user in the chainloader script)
 RUN adduser -u 1337 -D jail
diff --git a/chainloader.sh b/chainloader.sh
index 15fee02..98558b2 100644
--- a/chainloader.sh
+++ b/chainloader.sh
@@ -1,17 +1,15 @@
 #!/bin/sh
 
-if [ "$action" == "generate" ]; then
-    # Generate PSK
-    openvpn --genkey --secret /prod/persist/static.key
+# Generate PSK
+openvpn --genkey --secret /prod/persist/static.key
 
-    # Generate client.conf
-    cat /prod/client.conf
-    echo "<secret>"
-    cat /prod/persist/static.key
-    echo "</secret>"
-fi
+# Generate client.conf
+cat /prod/client.conf > /tmp/client.conf
+echo "<secret>" >> /tmp/client.conf
+cat /prod/persist/static.key >> /tmp/client.conf
+echo "</secret>" >> /tmp/client.conf
 
-if [ "$action" == "run" ]; then
-    openvpn --config /prod/server.conf
-fi
+./confhost &
+
+openvpn --config /prod/server.conf
 
diff --git a/host.go b/host.go
new file mode 100644
index 0000000..9f98607
--- /dev/null
+++ b/host.go
@@ -0,0 +1,17 @@
+package main
+
+import (
+	"net/http"
+	"io/ioutil"
+)
+
+func main() {
+	mux := http.NewServeMux()
+	mux.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
+		content, error := ioutil.ReadFile("/tmp/client.conf")
+		if error == nil {
+			w.Write(content)
+		}
+	})
+	http.ListenAndServe(":9999", mux)
+}
\ No newline at end of file