test/sun/security/krb5/auto/OneKDC.java

rev 7199 : 8014310: JAAS/Krb5LoginModule using des encytypes failure with NPE after JDK-8012679

*** 65,78 ****
          addPrincipal(USER, PASS);
          addPrincipal(USER2, PASS2);
          addPrincipalRandKey("krbtgt/" + REALM);
          addPrincipalRandKey(SERVER);
          addPrincipalRandKey(BACKEND);
          KDC.saveConfig(KRB5_CONF, this,
                  "forwardable = true",
                  "default_keytab_name = " + KTAB,
!                 etype == null ? "" : "default_tkt_enctypes=" + etype + "\ndefault_tgs_enctypes=" + etype);
          System.setProperty("java.security.krb5.conf", KRB5_CONF);
          // Whatever krb5.conf had been loaded before, we reload ours now.
          Config.refresh();
  
          writeKtab(KTAB);
--- 65,87 ----
          addPrincipal(USER, PASS);
          addPrincipal(USER2, PASS2);
          addPrincipalRandKey("krbtgt/" + REALM);
          addPrincipalRandKey(SERVER);
          addPrincipalRandKey(BACKEND);
+ 
+         String extraConfig = "";
+         if (etype != null) {
+             extraConfig += "default_tkt_enctypes=" + etype
+                     + "\ndefault_tgs_enctypes=" + etype;
+             if (etype.startsWith("des")) {
+                 extraConfig += "\nallow_weak_crypto = true";
+             }
+         }
          KDC.saveConfig(KRB5_CONF, this,
                  "forwardable = true",
                  "default_keytab_name = " + KTAB,
!                 extraConfig);
          System.setProperty("java.security.krb5.conf", KRB5_CONF);
          // Whatever krb5.conf had been loaded before, we reload ours now.
          Config.refresh();
  
          writeKtab(KTAB);