Add more detail after parsing the config file - fixes #1

    found 269 remote definitions
    found 54 passwords generated by rclone config which need checking
    ignored 11 passwords not generated by rclone config
    ignored 14 passwords less than 64 bits

README.md

@@ -40,6 +40,10 @@ For example:
 
 ```
 $ ./passwordcheck ~/.rclone.conf
+2020/11/19 14:01:49 found 269 remote definitions
+2020/11/19 14:01:49 found 54 passwords generated by rclone config which need checking
+2020/11/19 14:01:49 ignored 11 passwords not generated by rclone config
+2020/11/19 14:01:49 ignored 14 passwords less than 64 bits
 2020/11/19 14:01:49 Looking through 39103309 seeds from seed 1566691200 generated at 2019-08-25 01:00:00 to seed 1605794509 generated at 2020-11-19 14:01:49 for 3 passwords of length 64 bits
 2020/11/19 14:03:38 FOUND match for remote test-remote-1: obscured password "fJKeinHaUgkd_4pO0J70tUMUkvoxoPES5p7-" at seed 1605788442 generated at 2020-11-19 12:20:42
 2020/11/19 14:03:38 That took 1m48.992723504s for 358769.904475 seeds/s
@@ -73,3 +77,4 @@ remote test-remote-3: "px0py_poF8Jzis0rxNGf2OvtVZPnmwUruqI1o3trhE1I8fcR3To"
 prints - these can easily be reversed into the actual password. The
 ones show here are for demonstration purposes.
 
+To see more detail what is happening run with the `-verbose` flag.

passwordcheck.go

@@ -88,6 +88,12 @@ func seedString(seed int64) string {
 
 // read the config file and return candidate passwords grouped by length
 func readConfigFile(in io.Reader) (pws map[int][]passEntry) {
+	var (
+		remotes               = 0
+		nonGeneratedPasswords = 0
+		tooShortPasswords     = 0
+		generatedPasswords    = 0
+	)
 	pws = make(map[int][]passEntry)
 
 	scanner := bufio.NewScanner(in)
@@ -99,6 +105,7 @@ func readConfigFile(in io.Reader) (pws map[int][]passEntry) {
 		}
 		if line[0] == '[' && line[len(line)-1] == ']' {
 			remote = line[1 : len(line)-1]
+			remotes++
 			continue
 		}
 		if strings.Contains(line, "RCLONE_ENCRYPT") {
@@ -120,17 +127,21 @@ func readConfigFile(in io.Reader) (pws map[int][]passEntry) {
 			pwString, err := obscure.Reveal(value)
 			if err != nil {
 				debugf("%s: %s = %q is not an obscured password: %v", remote, key, value, err)
+				nonGeneratedPasswords++
 				continue
 			}
 			pw, err := base64.RawURLEncoding.DecodeString(pwString)
 			if err != nil {
 				debugf("%s: obscured password %s = %q  was not generated by rclone: %v", remote, key, value, err)
+				nonGeneratedPasswords++
 				continue
 			}
 			if len(pw) < *minBits/8 {
 				debugf("%s: IGNORING obscured password %s = %q is only %d bits (set with -min-bits)", remote, key, value, len(pw)*8)
+				tooShortPasswords++
 				continue
 			}
+			generatedPasswords++
 			pws[len(pw)] = append(pws[len(pw)],
 				passEntry{
 					remote:   remote,
@@ -145,6 +156,11 @@ func readConfigFile(in io.Reader) (pws map[int][]passEntry) {
 	if err := scanner.Err(); err != nil {
 		log.Fatal(err)
 	}
+
+	log.Printf("found %d remote definitions", remotes)
+	log.Printf("found %d passwords generated by rclone config which need checking", generatedPasswords)
+	log.Printf("ignored %d passwords not generated by rclone config", nonGeneratedPasswords)
+	log.Printf("ignored %d passwords less than %d bits", tooShortPasswords, *minBits)
 	return pws
 }
 
@@ -265,7 +281,7 @@ func main() {
 	pwsMap := readConfigFile(in)
 	_ = in.Close()
 	if len(pwsMap) == 0 {
-		log.Fatalf("No passwords found in config file - did you use the right file?")
+		log.Fatalf("No passwords to check found in config file - did you use the right file?")
 	}
 
 	pws := findAllPasswords(startSeed, endSeed, pwsMap)