michael@0: "use strict";
michael@0: /* To regenerate the certificates for this test:
michael@0:  *
michael@0:  *      cd security/manager/ssl/tests/unit/test_intermediate_basic_usage_constraints
michael@0:  *      ./generate.py
michael@0:  *      cd ../../../../../..
michael@0:  *      make -C $OBJDIR/security/manager/ssl/tests
michael@0:  *
michael@0:  * Check in the generated files. These steps are not done as part of the build
michael@0:  * because we do not want to add a build-time dependency on the OpenSSL or NSS
michael@0:  * tools or libraries built for the host platform.
michael@0:  */
michael@0: 
michael@0: do_get_profile(); // must be called before getting nsIX509CertDB
michael@0: const certdb = Cc["@mozilla.org/security/x509certdb;1"]
michael@0:                  .getService(Ci.nsIX509CertDB);
michael@0: 
michael@0: function load_cert(name, trust) {
michael@0:   let filename = "test_intermediate_basic_usage_constraints/" + name + ".der";
michael@0:   addCertFromFile(certdb, filename, trust);
michael@0: }
michael@0: 
michael@0: function test_cert_for_usages(certChainNicks, expected_usages_string) {
michael@0:   let certs = [];
michael@0:   for (let i in certChainNicks) {
michael@0:     let certNick = certChainNicks[i];
michael@0:     let certDER = readFile(do_get_file(
michael@0:                              "test_intermediate_basic_usage_constraints/"
michael@0:                                 + certNick + ".der"), false);
michael@0:     certs.push(certdb.constructX509(certDER, certDER.length));
michael@0:   }
michael@0: 
michael@0:   let cert = certs[0];
michael@0:   let verified = {};
michael@0:   let usages = {};
michael@0:   cert.getUsagesString(true, verified, usages);
michael@0:   do_print("usages.value = " + usages.value);
michael@0:   do_check_eq(expected_usages_string, usages.value);
michael@0: }
michael@0: 
michael@0: function run_test_in_mode(useMozillaPKIX) {
michael@0:   Services.prefs.setBoolPref("security.use_mozillapkix_verification", useMozillaPKIX);
michael@0: 
michael@0:   // mozilla::pkix doesn't support the obsolete Netscape object signing
michael@0:   // extension, but NSS does.
michael@0:   let ee_usage1 = useMozillaPKIX
michael@0:                 ? 'Client,Server,Sign,Encrypt,Object Signer'
michael@0:                 : 'Client,Server,Sign,Encrypt'
michael@0: 
michael@0:   // mozilla::pkix doesn't validate CA certificates for non-CA uses, but
michael@0:   // NSS does.
michael@0:   let ca_usage1 = useMozillaPKIX
michael@0:                 ? "SSL CA"
michael@0:                 : 'Client,Server,Sign,Encrypt,SSL CA,Status Responder';
michael@0: 
michael@0:   // Load the ca into mem
michael@0:   let ca_name = "ca";
michael@0:   load_cert(ca_name, "CTu,CTu,CTu");
michael@0:   do_print("ca_name = " + ca_name);
michael@0:   test_cert_for_usages([ca_name], ca_usage1);
michael@0: 
michael@0:   // A certificate with no basicConstraints extension is considered an EE.
michael@0:   test_cert_for_usages(["int-no-extensions"], ee_usage1);
michael@0: 
michael@0:   // int-no-extensions is an EE (see previous case), so no certs can chain to
michael@0:   // it.
michael@0:   test_cert_for_usages(["ee-int-no-extensions", "int-no-extensions"], "");
michael@0: 
michael@0:   // a certificate with bsaicConstraints.cA==false is considered an EE.
michael@0:   test_cert_for_usages(["int-not-a-ca"], ee_usage1);
michael@0: 
michael@0:   // int-not-a-ca is an EE (see previous case), so no certs can chain to it.
michael@0:   test_cert_for_usages(["ee-int-not-a-ca", "int-not-a-ca"], "");
michael@0: 
michael@0:   // int-limited-depth has cA==true and a path length constraint of zero.
michael@0:   test_cert_for_usages(["int-limited-depth"], ca_usage1);
michael@0: 
michael@0:   // path length constraints do not affect the ability of a non-CA cert to
michael@0:   // chain to to the CA cert.
michael@0:   test_cert_for_usages(["ee-int-limited-depth", "int-limited-depth"],
michael@0:                        ee_usage1);
michael@0: 
michael@0:   // ca
michael@0:   //   int-limited-depth (cA==true, pathLenConstraint==0)
michael@0:   //      int-limited-depth-invalid (cA==true)
michael@0:   //
michael@0:   // XXX: It seems the NSS code does not consider the path length of the
michael@0:   // certificate we're validating, but mozilla::pkix does. mozilla::pkix's
michael@0:   // behavior is correct.
michael@0:   test_cert_for_usages(["int-limited-depth-invalid", "int-limited-depth"],
michael@0:                        useMozillaPKIX ? "" : ca_usage1);
michael@0:   test_cert_for_usages(["ee-int-limited-depth-invalid",
michael@0:                         "int-limited-depth-invalid",
michael@0:                         "int-limited-depth"],
michael@0:                        "");
michael@0: 
michael@0:   // int-valid-ku-no-eku has keyCertSign
michael@0:   test_cert_for_usages(["int-valid-ku-no-eku"], "SSL CA");
michael@0:   test_cert_for_usages(["ee-int-valid-ku-no-eku", "int-valid-ku-no-eku"],
michael@0:                        ee_usage1);
michael@0: 
michael@0:   // int-bad-ku-no-eku has basicConstraints.cA==true and has a KU extension
michael@0:   // but the KU extension is missing keyCertSign. Note that mozilla::pkix
michael@0:   // doesn't validate certificates with basicConstraints.Ca==true for non-CA
michael@0:   // uses, but NSS does.
michael@0:   test_cert_for_usages(["int-bad-ku-no-eku"],
michael@0:                        useMozillaPKIX
michael@0:                           ? ""
michael@0:                           : 'Client,Server,Sign,Encrypt,Status Responder');
michael@0:   test_cert_for_usages(["ee-int-bad-ku-no-eku", "int-bad-ku-no-eku"], "");
michael@0: 
michael@0:   // int-no-ku-no-eku has basicConstraints.cA==true and no KU extension.
michael@0:   // We treat a missing KU as "any key usage is OK".
michael@0:   test_cert_for_usages(["int-no-ku-no-eku"], ca_usage1);
michael@0:   test_cert_for_usages(["ee-int-no-ku-no-eku", "int-no-ku-no-eku"], ee_usage1);
michael@0: 
michael@0:   // int-valid-ku-server-eku has basicConstraints.cA==true, keyCertSign in KU,
michael@0:   // and EKU=={id-kp-serverAuth,id-kp-clientAuth}.
michael@0:   test_cert_for_usages(["int-valid-ku-server-eku"], "SSL CA");
michael@0:   test_cert_for_usages(["ee-int-valid-ku-server-eku",
michael@0:                         "int-valid-ku-server-eku"], "Client,Server");
michael@0: 
michael@0:   // int-bad-ku-server-eku has basicConstraints.cA==true, a KU without
michael@0:   // keyCertSign, and EKU=={id-kp-serverAuth,id-kp-clientAuth}.
michael@0:   test_cert_for_usages(["int-bad-ku-server-eku"], "");
michael@0:   test_cert_for_usages(["ee-int-bad-ku-server-eku", "int-bad-ku-server-eku"],
michael@0:                        "");
michael@0: 
michael@0:   // int-bad-ku-server-eku has basicConstraints.cA==true, no KU, and
michael@0:   // EKU=={id-kp-serverAuth,id-kp-clientAuth}.
michael@0:   test_cert_for_usages(["int-no-ku-server-eku"], "SSL CA");
michael@0:   test_cert_for_usages(["ee-int-no-ku-server-eku", "int-no-ku-server-eku"],
michael@0:                        "Client,Server");
michael@0: }
michael@0: 
michael@0: function run_test() {
michael@0:   run_test_in_mode(true);
michael@0:   run_test_in_mode(false);
michael@0: }