commit c62d2b43ad4962ea44aa0c5edb4cc99cb83a413d (HEAD, refs/remotes/origin/v3.5, refs/heads/v3.5)
Author: aaron-costello <56684862+aaron-costello@users.noreply.github.com>
Date:   2019-11-22 02:44:29 +0000

    ext_lm_group_acl: Improved username handling (#512)

diff --git a/helpers/external_acl/LM_group/ext_lm_group_acl.cc b/helpers/external_acl/LM_group/ext_lm_group_acl.cc
index def9db5..f93fc33 100644
--- a/helpers/external_acl/LM_group/ext_lm_group_acl.cc
+++ b/helpers/external_acl/LM_group/ext_lm_group_acl.cc
@@ -343,10 +343,10 @@ Valid_Global_Groups(char *UserName, const char **Groups)
             break;
     }
     if (domain_qualify == NULL) {
-        strcpy(User, NTDomain);
-        strcpy(NTDomain, DefaultDomain);
+        xstrncpy(User, NTDomain, sizeof(User));
+        xstrncpy(NTDomain, DefaultDomain, sizeof(NTDomain));
     } else {
-        strcpy(User, domain_qualify + 1);
+        xstrncpy(User, domain_qualify + 1, sizeof(User));
         domain_qualify[0] = '\0';
         strlwr(NTDomain);
     }