Initial commit.

.gitignore

@@ -0,0 +1,3 @@
+*~
+.*.swp
+cmd/autoresponder

cmd/autoresponder.go

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+package main
+
+// This is postfix autoresponder, which is rewrite of the autoresponder bash script V1.6.3, written by Charles Hamilton - musashi@nefaria.com
+//
+// Written by Uros Juvan <asmpro@gmail.com> 2017
+
+import (
+    "fmt"
+    "flag"
+    "os"
+)
+
+const VERSION = "1.0.0001"
+const DEBUG = true
+
+func DebugFmtPrintf(format string, v ...interface{})  {
+        if DEBUG {
+                fmt.Printf("DEBUG: " + format, v...)
+        }
+}
+
+func main() {
+    // Parse command line arguments
+    recipientPtr := flag.String("r", "", "Recipient e-mail")
+    senderPtr := flag.String("s", "", "Sender e-mail")
+    saslUserPtr := flag.String("S", "", "SASL authenticated username")
+    clientIpPtr := flag.String("C", "", "Client IP address")
+    enableAutoResponsePtr := flag.String("e", "", "Enable autoresponse")
+    disableAutoResponsePtr := flag.String("d", "", "Disable autoresponse")
+    enableExAutoResponsePtr := flag.String("E", "", "Enable existing autoresponse")
+    deleteAutoResponsePtr := flag.String("D", "", "Delete autoresponse")
+    flag.Parse()
+
+    if DEBUG {
+        DebugFmtPrintf(`Flags:
+  Recipient: %v
+  Sender: %v
+  SASL authenticated username: %v
+  Client IP: %v
+  Enable autoresponse: %v
+  Disable autoresponse: %v
+  Enable existing autoresponse: %v
+  Delete autoresponse: %v
+`,
+            *recipientPtr,
+            *senderPtr,
+            *saslUserPtr,
+            *clientIpPtr,
+            *enableAutoResponsePtr,
+            *disableAutoResponsePtr,
+            *enableExAutoResponsePtr,
+            *deleteAutoResponsePtr)
+    }
+
+    // Do some logic on command line arguments
+    // Mode 
+    // There are two different modes of operation:
+    //	mode=0 represents the actions that can not be executed from the command line
+    //	mode=1 represents the actions that can be executed from the command line
+    mode := 0
+    sendResponse := false
+    authenticated := false
+    if *recipientPtr != "" && *senderPtr != "" {
+        sendResponse = true
+    }
+    if *saslUserPtr != "" && os.Getenv("SASL_USERNAME") != "" {
+        authenticated = true
+    }
+    if *enableAutoResponsePtr != "" || *disableAutoResponsePtr != "" || *enableExAutoResponsePtr != "" || *deleteAutoResponsePtr != "" {
+        mode = 1
+    }
+    DebugFmtPrintf("mode=%v, sendResponse=%v, authenticated=%v\n", mode, sendResponse, authenticated)
+}