exec -> systemd-run; more parsingHEADmaster

1 files changed, 32 insertions, 2 deletions

diff --git a/cmd/ipp/main.go b/cmd/ipp/main.go
index 16317e0..21cf0fc 100644
--- a/cmd/ipp/main.go
+++ b/cmd/ipp/main.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"encoding/binary"
 	"encoding/hex"
 	"flag"
 	"log"
@@ -15,10 +16,39 @@ var follow = flag.Bool("f", false, "don't exit after response")
 
 func main() {
 	flag.Parse()
-	log.SetFlags(log.Lshortfile)
+	log.SetFlags(log.Lshortfile | log.Ldate | log.Ltime | log.Lmicroseconds)
+	log.Println("start")
 	wc := make(chan struct{}, 1)
 	cv, err := cvend.Open(cvend.Path, func(msgType byte, msgData []byte) {
-		log.Printf("ipp %02x\n%s", msgType, hex.Dump(msgData))
+		switch msgType {
+		case 0x07:
+			log.Printf("Heartbeat(%s)", hex.EncodeToString(msgData))
+		case 0x0f:
+			log.Printf("Startup(%s)", hex.EncodeToString(msgData))
+		case 0xed:
+			if len(msgData) == 0 {
+				log.Printf("Log()")
+			} else {
+				log.Printf("Log(%d) %q", msgData[0], string(msgData[1:]))
+			}
+		case 0xbe:
+			if len(msgData) < 22 || len(msgData) < 22+int(msgData[21]) {
+				log.Printf("PICCRead(short)\n%s", hex.Dump(msgData))
+			} else {
+				_ = msgData[:11] // unknown
+				uid := msgData[11:18]
+				atqa := binary.LittleEndian.Uint16(msgData[18:20])
+				sak := msgData[20]
+				atrLen := msgData[21]
+				atr := msgData[22 : 22+atrLen]
+				_ = msgData[22+atrLen:] // unknown
+				log.Printf("PICCRead(uid %s atqa 0x%04x sak %02x atr %s)\n%s", hex.EncodeToString(uid), atqa, sak, hex.EncodeToString(atr), hex.Dump(msgData))
+			}
+		case 0xd1:
+			log.Printf("EMVTransactionSuccessUnk\n%s", hex.Dump(msgData))
+		default:
+			log.Printf("ipp %02x\n%s", msgType, hex.Dump(msgData))
+		}
 		select {
 		case wc <- struct{}{}:
 		default: