From c01b9156f3b8f6ebc5abcbc8951b1710a2cd640e Mon Sep 17 00:00:00 2001
From: Robert Sesek <rsesek@bluestatic.org>
Date: Sun, 11 Dec 2016 23:05:57 -0500
Subject: [PATCH] Lay out basic config file structure.

---
 .gitignore    |  2 ++
 config.go     | 25 +++++++++++++++++++++++++
 mailpopbox.go | 27 +++++++++++++++++++++++++++
 3 files changed, 54 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 config.go
 create mode 100644 mailpopbox.go

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a79c853
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+config.json
+mailpopbox
diff --git a/config.go b/config.go
new file mode 100644
index 0000000..8f3c734
--- /dev/null
+++ b/config.go
@@ -0,0 +1,25 @@
+package main
+
+type Config struct {
+	SMTPPort int
+	POP3Port int
+
+	Servers []Server
+}
+
+type Server struct {
+	// Domain is the second component of a mail address: <local-part@domain.com>.
+	Domain string
+
+	// Hostname is the name of the MX server that is running.
+	Hostname string
+
+	TLSKeyPath  string
+	TLSCertPath string
+
+	// Password for the POP3 mailbox user, mailbox@domain.com.
+	MailboxPassword string
+
+	// Blacklisted addresses that should not accept mail.
+	BlacklistedAddresses []string
+}
diff --git a/mailpopbox.go b/mailpopbox.go
new file mode 100644
index 0000000..984acb3
--- /dev/null
+++ b/mailpopbox.go
@@ -0,0 +1,27 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+)
+
+func main() {
+	if len(os.Args) != 2 {
+		fmt.Fprintf(os.Stderr, "Usage: %s config.json\n", os.Args[0])
+		os.Exit(1)
+	}
+
+	configFile, err := os.Open(os.Args[1])
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "config file: %s\n", err)
+		os.Exit(2)
+	}
+
+	var config Config
+	if err := json.NewDecoder(configFile).Decode(&config); err != nil {
+		fmt.Fprintf(os.Stderr, "config file: %s\n", err)
+		os.Exit(3)
+	}
+	configFile.Close()
+}
-- 
2.22.5