ext_lm_group_acl: Improved username handling (#512)

diff --git a/src/acl/external/LM_group/ext_lm_group_acl.cc b/src/acl/external/LM_group/ext_lm_group_acl.cc
index 44d7606586efb46af9ad87c056d91ec1a3a6c6d8..dd42db52c18d6287f17810d704aaeae24ecec019 100644 (file)
--- a/src/acl/external/LM_group/ext_lm_group_acl.cc
+++ b/src/acl/external/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);
     }