From 73e6e18b08f341d1fbda39431ff59c8884f3081b Mon Sep 17 00:00:00 2001
From: hanjinpeng <hanjinpeng@kylinos.cn>
Date: Wed, 14 Aug 2024 00:56:10 +0800
Subject: [PATCH] Limit the maximum length of a password to 8 characters

Password should not be greater than 8 characters.
Because only 8 valid characters are used.
---
 unix/vncpasswd/vncpasswd.cxx | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/unix/vncpasswd/vncpasswd.cxx b/unix/vncpasswd/vncpasswd.cxx
index eb8ad037..b067719b 100644
--- a/unix/vncpasswd/vncpasswd.cxx
+++ b/unix/vncpasswd/vncpasswd.cxx
@@ -149,6 +149,11 @@ static std::vector<uint8_t> readpassword() {
       continue;
     }
 
+    if (first.size() > 8) {
+      fprintf(stderr,"Password should not be greater than 8 characters\nBecause only 8 valid characters are used - try again\n");
+      continue;
+    }
+
 #ifdef HAVE_PWQUALITY
     //the function return score of password quality
     int r = check_passwd_pwquality(passwd);
-- 
2.39.5