[trac899] Merge branch 'master' into trac899

Conflicts:
	src/bin/resolver/tests/Makefile.am
	src/lib/config/tests/Makefile.am
	src/lib/log/tests/Makefile.am
	src/lib/resolve/tests/Makefile.am
	src/lib/server_common/tests/Makefile.am
	tests/tools/badpacket/tests/Makefile.am

ChangeLog

+245.    [func]      vorner
+	Authoritative server can now sign the answers using TSIG
+	(configured in tsig_keys/keys, list of strings like
+	"name:<base64-secret>:sha1-hmac"). It doesn't use them for
+	ACL yet, only verifies them and signs if the request is signed.
+	(Trac875, git fe5e7003544e4e8f18efa7b466a65f336d8c8e4d)
+
+244.	[func] 		stephen
+	In unit tests, allow the choice of whether unhandled exceptions are
+	caught in the unit test program (and details printed) or allowed to
+	propagate to the default exception handler.  See the bind10-dev thread
+	https://lists.isc.org/pipermail/bind10-dev/2011-January/001867.html
+	for more details.
+	(Trac #542, git 1aa773d84cd6431aa1483eb34a7f4204949a610f)
+
+243.	[func]*		feng
+	Add optional hmac algorithm SHA224/384/812.
+	(Trac#782, git 77d792c9d7c1a3f95d3e6a8b721ac79002cd7db1)
+
+bind10-devel-20110519 released on May 19, 2011
+
 242.	[func]		jinmei
 	xfrin: added support for TSIG verify.  This change completes TSIG
 	support in b10-xfrin.
@@ -13,17 +34,19 @@
 	Updated configuration options to Xfrin, so that you can specify
 	a master address, port, and TSIG key per zone. Still only one per
 	zone at this point, and TSIG keys are (currently) only specified
-	by their full string representation.
+	by their full string representation. This replaces the
+	Xfrin/master_addr, Xfrin/master_port, and short-lived
+	Xfrin/tsig_key configurations with a Xfrin/zones list.
 	(Trac #811, git 88504d121c5e08fff947b92e698a54d24d14c375)
 
 239.	[bug]		jerry
-	src/bin/xfrout: If a zone doesn't have notify slaves(only has
+	src/bin/xfrout: If a zone doesn't have notify slaves (only has
 	one apex ns record - the primary master name server) will cause
 	b10-xfrout uses 100% of CPU.
 	(Trac #684, git d11b5e89203a5340d4e5ca51c4c02db17c33dc1f)
 
 238.	[func]		zhang likun
-	Implement the simplest forwarder, which pass everything throught
+	Implement the simplest forwarder, which pass everything through
 	except QID, port number. The response will not be cached.
 	(Trac #598_new, git 8e28187a582820857ef2dae9b13637a3881f13ba)
 
@@ -76,7 +99,7 @@
 	(Trac #900, git b395258c708b49a5da8d0cffcb48d83294354ba3)
 
 231.	[func]*		vorner
-	The logging interface changed slightly. We use
+    The logging interface changed slightly. We use
 	logger.foo(MESSAGE_ID).arg(bar); instead of logger.foo(MESSAGE_ID,
 	bar); internally. The message definitions use '%1,%2,...'
 	instead of '%s,%d', which allows us to cope better with
@@ -118,14 +141,14 @@
 	(Trac #781, git 9df42279a47eb617f586144dce8cce680598558a)
 
 225.	[func]		naokikambe
-	Added the HTTP/XML interface(b10-stats-httpd) to the
+	Added the HTTP/XML interface (b10-stats-httpd) to the
 	statistics feature in BIND 10. b10-stats-httpd is a standalone
 	HTTP server and it requests statistics data to the stats
-	daemon(b10-stats) and sends it to HTTP clients in XML
+	daemon (b10-stats) and sends it to HTTP clients in XML
 	format. Items of the data collected via b10-stats-httpd
 	are almost equivalent to ones which are collected via
-	bindctl. Since it also can send XSL(Extensible Stylessheet
-	Language) document and XSD(XML Schema definition) document,
+	bindctl. Since it also can send XSL (Extensible Stylesheet
+	Language) document and XSD (XML Schema definition) document,
 	XML document is human-friendly to view through web browsers
 	and its data types are strictly defined.
 	(Trac #547, git 1cbd51919237a6e65983be46e4f5a63d1877b1d3)
@@ -144,11 +167,13 @@
 	reconfigure them.
 	(Trac #775, git 572ac2cf62e18f7eb69d670b890e2a3443bfd6e7)
 
-222.	[bug]		jerry
-	src/lib/zonemgr: Fix a bug that xfrin not checking for new copy of
-	zone on startup.  Imposes some random jitters to avoid many zones
-	need to do refresh at the same time.
-	(Trac #387, svn 9140fab9bab5f6502bd15d391fd51ac078b0b89b)
+222.	[bug]*		jerry
+	src/lib/zonemgr: Fix a bug that xfrin not checking for new
+	copy of zone on startup.  Imposes some random jitters to
+	avoid many zones need to do refresh at the same time. This
+	removed the Zonemgr/jitter_scope setting and introduced
+	Zonemgr/refresh_jitter and Zonemgr/reload_jitter.
+	(Trac #387, git 1241ddcffa16285d0a7bb01d6a8526e19fbb70cb)
 
 221.	[func]*		jerry
 	src/lib/util: Create C++ utility library.

README

@@ -19,7 +19,9 @@ backends), b10-resolver recursive or forwarding DNS server, b10-cmdctl
 remote control daemon, b10-cfgmgr configuration manager, b10-xfrin
 AXFR inbound service, b10-xfrout outgoing AXFR service, b10-zonemgr
 secondary manager, b10-stats statistics collection and reporting
-daemon, and a new libdns++ library for C++ with a python wrapper.
+daemon, b10-stats-httpd for HTTP access to XML-formatted stats,
+b10-host DNS lookup utility, and a new libdns++ library for C++
+with a python wrapper.
 
 Documentation is included and also available via the BIND 10
 website at http://bind10.isc.org/

configure.ac

@@ -2,7 +2,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ([2.59])
-AC_INIT(bind10-devel, 20110322, bind10-dev@isc.org)
+AC_INIT(bind10-devel, 20110519, bind10-dev@isc.org)
 AC_CONFIG_SRCDIR(README)
 AM_INIT_AUTOMAKE
 AC_CONFIG_HEADERS([config.h])
@@ -824,7 +824,6 @@ AC_CONFIG_FILES([Makefile
                  src/lib/server_common/tests/Makefile
                  src/lib/util/Makefile
                  src/lib/util/io/Makefile
-                 src/lib/util/io/tests/Makefile
                  src/lib/util/unittests/Makefile
                  src/lib/util/pyunittests/Makefile
                  src/lib/util/tests/Makefile

doc/guide/bind10-guide.xml

@@ -79,12 +79,24 @@
         3.1 is the minimum version which will work.
       </para>
 
-      <note><para>
+      <para>
+	BIND 10 uses the Botan crypto library for C++. It requires
+	at least Botan version 1.8. To build BIND 10, install the
+	Botan libraries and development include headers.
+      </para>
+
+<!--
+TODO
+Debian and Ubuntu:
+ libgmp3-dev and libbz2-dev required for botan too
+-->
+
+      <para>
 	The authoritative server requires SQLite 3.3.9 or newer.
 	The <command>b10-xfrin</command>, <command>b10-xfrout</command>,
 	and <command>b10-zonemgr</command> modules require the
 	libpython3 library and the Python _sqlite3.so module.
-      </para></note>
+      </para>
 <!-- TODO: this will change ... -->
 
 <!-- TODO: list where to get these from -->

src/bin/auth/Makefile.am

@@ -51,7 +51,7 @@ b10_auth_LDADD += $(top_builddir)/src/lib/cc/libcc.la
 b10_auth_LDADD += $(top_builddir)/src/lib/exceptions/libexceptions.la
 b10_auth_LDADD += $(top_builddir)/src/lib/asiodns/libasiodns.la
 b10_auth_LDADD += $(top_builddir)/src/lib/asiolink/libasiolink.la
-b10_auth_LDADD += $(top_builddir)/src/lib/nsas/libnsas.la
+b10_auth_LDADD += $(top_builddir)/src/lib/log/liblog.la
 b10_auth_LDADD += $(top_builddir)/src/lib/xfr/libxfr.la
 b10_auth_LDADD += $(top_builddir)/src/lib/server_common/libserver_common.la
 b10_auth_LDADD += $(SQLITE_LIBS)

src/bin/auth/auth_config.cc

@@ -60,6 +60,15 @@ private:
     set<string> configured_sources_;
 };
 
+/// A derived \c AuthConfigParser for the version value
+/// (which is not used at this moment)
+class VersionConfig : public AuthConfigParser {
+public:
+    VersionConfig() {}
+    virtual void build(ConstElementPtr) {};
+    virtual void commit() {};
+};
+
 void
 DatasourcesConfig::build(ConstElementPtr config_value) {
     BOOST_FOREACH(ConstElementPtr datasrc_elem, config_value->listValue()) {
@@ -293,6 +302,11 @@ createAuthConfigParser(AuthSrv& server, const std::string& config_id,
         // we may introduce dynamic registration of configuration parsers,
         // and then this test can be done in a cleaner and safer way.
         return (new ThrowerCommitConfig());
+    } else if (config_id == "version") {
+        // Currently, the version identifier is ignored, but it should
+        // later be used to mark backwards incompatible changes in the
+        // config data
+        return (new VersionConfig());
     } else {
         isc_throw(AuthConfigError, "Unknown configuration identifier: " <<
                   config_id);

src/bin/auth/auth_srv.cc

@@ -20,6 +20,7 @@
 #include <cassert>
 #include <iostream>
 #include <vector>
+#include <memory>
 
 #include <boost/bind.hpp>
 
@@ -43,6 +44,7 @@
 #include <dns/rrset.h>
 #include <dns/rrttl.h>
 #include <dns/message.h>
+#include <dns/tsig.h>
 
 #include <datasrc/query.h>
 #include <datasrc/data_source.h>
@@ -73,6 +75,7 @@ using namespace isc::xfr;
 using namespace isc::asiolink;
 using namespace isc::asiodns;
 using namespace isc::server_common::portconfig;
+using boost::shared_ptr;
 
 class AuthSrvImpl {
 private:
@@ -85,11 +88,14 @@ public:
     isc::data::ConstElementPtr setDbFile(isc::data::ConstElementPtr config);
 
     bool processNormalQuery(const IOMessage& io_message, MessagePtr message,
-                            OutputBufferPtr buffer);
+                            OutputBufferPtr buffer,
+                            auto_ptr<TSIGContext> tsig_context);
     bool processAxfrQuery(const IOMessage& io_message, MessagePtr message,
-                          OutputBufferPtr buffer);
+                          OutputBufferPtr buffer,
+                          auto_ptr<TSIGContext> tsig_context);
     bool processNotify(const IOMessage& io_message, MessagePtr message,
-                       OutputBufferPtr buffer);
+                       OutputBufferPtr buffer,
+                       auto_ptr<TSIGContext> tsig_context);
 
     IOService io_service_;
 
@@ -116,6 +122,9 @@ public:
 
     /// Addresses we listen on
     AddressList listen_addresses_;
+
+    /// The TSIG keyring
+    const shared_ptr<TSIGKeyRing>* keyring_;
 private:
     std::string db_file_;
 
@@ -139,6 +148,7 @@ AuthSrvImpl::AuthSrvImpl(const bool use_cache,
     memory_datasrc_class_(RRClass::IN()),
     statistics_timer_(io_service_),
     counters_(verbose_mode_),
+    keyring_(NULL),
     xfrout_connected_(false),
     xfrout_client_(xfrout_client)
 {
@@ -241,7 +251,9 @@ public:
 
 void
 makeErrorMessage(MessagePtr message, OutputBufferPtr buffer,
-                 const Rcode& rcode, const bool verbose_mode)
+                 const Rcode& rcode, const bool verbose_mode,
+                 std::auto_ptr<TSIGContext> tsig_context =
+                 std::auto_ptr<TSIGContext>())
 {
     // extract the parameters that should be kept.
     // XXX: with the current implementation, it's not easy to set EDNS0
@@ -272,7 +284,11 @@ makeErrorMessage(MessagePtr message, OutputBufferPtr buffer,
     message->setRcode(rcode);
 
     MessageRenderer renderer(*buffer);
-    message->toWire(renderer);
+    if (tsig_context.get() != NULL) {
+        message->toWire(renderer, *tsig_context);
+    } else {
+        message->toWire(renderer);
+    }
 
     if (verbose_mode) {
         cerr << "[b10-auth] sending an error response (" <<
@@ -446,29 +462,51 @@ AuthSrv::processMessage(const IOMessage& io_message, MessagePtr message,
     }
 
     // Perform further protocol-level validation.
+    // TSIG first
+    // If this is set to something, we know we need to answer with TSIG as well
+    std::auto_ptr<TSIGContext> tsig_context;
+    const TSIGRecord* tsig_record(message->getTSIGRecord());
+    TSIGError tsig_error(TSIGError::NOERROR());
+
+    // Do we do TSIG?
+    // The keyring can be null if we're in test
+    if (impl_->keyring_ != NULL && tsig_record != NULL) {
+        tsig_context.reset(new TSIGContext(tsig_record->getName(),
+                                           tsig_record->getRdata().
+                                                getAlgorithm(),
+                                           **impl_->keyring_));
+        tsig_error = tsig_context->verify(tsig_record, io_message.getData(),
+                                          io_message.getDataSize());
+    }
 
     bool sendAnswer = true;
-    if (message->getOpcode() == Opcode::NOTIFY()) {
-        sendAnswer = impl_->processNotify(io_message, message, buffer);
+    if (tsig_error != TSIGError::NOERROR()) {
+        makeErrorMessage(message, buffer, tsig_error.toRcode(),
+                         impl_->verbose_mode_, tsig_context);
+    } else if (message->getOpcode() == Opcode::NOTIFY()) {
+        sendAnswer = impl_->processNotify(io_message, message, buffer,
+                                          tsig_context);
     } else if (message->getOpcode() != Opcode::QUERY()) {
         if (impl_->verbose_mode_) {
             cerr << "[b10-auth] unsupported opcode" << endl;
         }
         makeErrorMessage(message, buffer, Rcode::NOTIMP(),
-                         impl_->verbose_mode_);
+                         impl_->verbose_mode_, tsig_context);
     } else if (message->getRRCount(Message::SECTION_QUESTION) != 1) {
         makeErrorMessage(message, buffer, Rcode::FORMERR(),
-                         impl_->verbose_mode_);
+                         impl_->verbose_mode_, tsig_context);
     } else {
         ConstQuestionPtr question = *message->beginQuestion();
         const RRType &qtype = question->getType();
         if (qtype == RRType::AXFR()) {
-            sendAnswer = impl_->processAxfrQuery(io_message, message, buffer);
+            sendAnswer = impl_->processAxfrQuery(io_message, message, buffer,
+                                                 tsig_context);
         } else if (qtype == RRType::IXFR()) {
             makeErrorMessage(message, buffer, Rcode::NOTIMP(),
-                             impl_->verbose_mode_);
+                             impl_->verbose_mode_, tsig_context);
         } else {
-            sendAnswer = impl_->processNormalQuery(io_message, message, buffer);
+            sendAnswer = impl_->processNormalQuery(io_message, message, buffer,
+                                                   tsig_context);
         }
     }
 
@@ -477,7 +515,8 @@ AuthSrv::processMessage(const IOMessage& io_message, MessagePtr message,
 
 bool
 AuthSrvImpl::processNormalQuery(const IOMessage& io_message, MessagePtr message,
-                                OutputBufferPtr buffer)
+                                OutputBufferPtr buffer,
+                                auto_ptr<TSIGContext> tsig_context)
 {
     ConstEDNSPtr remote_edns = message->getEDNS();
     const bool dnssec_ok = remote_edns && remote_edns->getDNSSECAwareness();
@@ -523,7 +562,11 @@ AuthSrvImpl::processNormalQuery(const IOMessage& io_message, MessagePtr message,
     const bool udp_buffer =
         (io_message.getSocket().getProtocol() == IPPROTO_UDP);
     renderer.setLengthLimit(udp_buffer ? remote_bufsize : 65535);
-    message->toWire(renderer);
+    if (tsig_context.get() != NULL) {
+        message->toWire(renderer, *tsig_context);
+    } else {
+        message->toWire(renderer);
+    }
 
     if (verbose_mode_) {
         cerr << "[b10-auth] sending a response ("
@@ -536,7 +579,8 @@ AuthSrvImpl::processNormalQuery(const IOMessage& io_message, MessagePtr message,
 
 bool
 AuthSrvImpl::processAxfrQuery(const IOMessage& io_message, MessagePtr message,
-                              OutputBufferPtr buffer)
+                              OutputBufferPtr buffer,
+                              auto_ptr<TSIGContext> tsig_context)
 {
     // Increment query counter.
     incCounter(io_message.getSocket().getProtocol());
@@ -545,7 +589,8 @@ AuthSrvImpl::processAxfrQuery(const IOMessage& io_message, MessagePtr message,
         if (verbose_mode_) {
             cerr << "[b10-auth] AXFR query over UDP isn't allowed" << endl;
         }
-        makeErrorMessage(message, buffer, Rcode::FORMERR(), verbose_mode_);
+        makeErrorMessage(message, buffer, Rcode::FORMERR(), verbose_mode_,
+                         tsig_context);
         return (true);
     }
 
@@ -572,7 +617,8 @@ AuthSrvImpl::processAxfrQuery(const IOMessage& io_message, MessagePtr message,
             cerr << "[b10-auth] Error in handling XFR request: " << err.what()
                  << endl;
         }
-        makeErrorMessage(message, buffer, Rcode::SERVFAIL(), verbose_mode_);
+        makeErrorMessage(message, buffer, Rcode::SERVFAIL(), verbose_mode_,
+                         tsig_context);
         return (true);
     }
 
@@ -581,7 +627,8 @@ AuthSrvImpl::processAxfrQuery(const IOMessage& io_message, MessagePtr message,
 
 bool
 AuthSrvImpl::processNotify(const IOMessage& io_message, MessagePtr message, 
-                           OutputBufferPtr buffer)
+                           OutputBufferPtr buffer,
+                           std::auto_ptr<TSIGContext> tsig_context)
 {
     // The incoming notify must contain exactly one question for SOA of the
     // zone name.
@@ -590,7 +637,8 @@ AuthSrvImpl::processNotify(const IOMessage& io_message, MessagePtr message,
                 cerr << "[b10-auth] invalid number of questions in notify: "
                      << message->getRRCount(Message::SECTION_QUESTION) << endl;
         }
-        makeErrorMessage(message, buffer, Rcode::FORMERR(), verbose_mode_);
+        makeErrorMessage(message, buffer, Rcode::FORMERR(), verbose_mode_,
+                         tsig_context);
         return (true);
     }
     ConstQuestionPtr question = *message->beginQuestion();
@@ -599,7 +647,8 @@ AuthSrvImpl::processNotify(const IOMessage& io_message, MessagePtr message,
                 cerr << "[b10-auth] invalid question RR type in notify: "
                      << question->getType() << endl;
         }
-        makeErrorMessage(message, buffer, Rcode::FORMERR(), verbose_mode_);
+        makeErrorMessage(message, buffer, Rcode::FORMERR(), verbose_mode_,
+                         tsig_context);
         return (true);
     }
 
@@ -662,7 +711,11 @@ AuthSrvImpl::processNotify(const IOMessage& io_message, MessagePtr message,
     message->setRcode(Rcode::NOERROR());
 
     MessageRenderer renderer(*buffer);
-    message->toWire(renderer);
+    if (tsig_context.get() != NULL) {
+        message->toWire(renderer, *tsig_context);
+    } else {
+        message->toWire(renderer);
+    }
     return (true);
 }
 
@@ -772,3 +825,8 @@ void
 AuthSrv::setDNSService(isc::asiodns::DNSService& dnss) {
     dnss_ = &dnss;
 }
+
+void
+AuthSrv::setTSIGKeyRing(const shared_ptr<TSIGKeyRing>* keyring) {
+    impl_->keyring_ = keyring;
+}

src/bin/auth/auth_srv.h

@@ -44,6 +44,9 @@ class MemoryDataSrc;
 namespace xfr {
 class AbstractXfroutClient;
 }
+namespace dns {
+class TSIGKeyRing;
+}
 }
 
 
@@ -374,6 +377,14 @@ public:
     /// \brief Assign an ASIO DNS Service queue to this Auth object
     void setDNSService(isc::asiodns::DNSService& dnss);
 
+    /// \brief Sets the keyring used for verifying and signing
+    ///
+    /// The parameter is pointer to shared pointer, because the automatic
+    /// reloading routines of tsig keys replace the actual keyring object.
+    /// It is expected the pointer will point to some statically-allocated
+    /// object, it doesn't take ownership of it.
+    void setTSIGKeyRing(const boost::shared_ptr<isc::dns::TSIGKeyRing>*
+                        keyring);
 
 private:
     AuthSrvImpl* impl_;

src/bin/auth/main.cc

@@ -47,6 +47,7 @@
 #include <asiodns/asiodns.h>
 #include <asiolink/asiolink.h>
 #include <log/dummylog.h>
+#include <server_common/keyring.h>
 
 using namespace std;
 using namespace isc::data;
@@ -152,9 +153,14 @@ main(int argc, char* argv[]) {
         cc_session = new Session(io_service.get_io_service());
         cout << "[b10-auth] Configuration session channel created." << endl;
 
+        // We delay starting listening to new commands/config just before we
+        // go into the main loop to avoid confusion due to mixture of
+        // synchronous and asynchronous operations (this would happen in
+        // initializing TSIG keys below).  Until then all operations on the
+        // CC session will take place synchronously.
         config_session = new ModuleCCSession(specfile, *cc_session,
                                              my_config_handler,
-                                             my_command_handler);
+                                             my_command_handler, false);
         cout << "[b10-auth] Configuration channel established." << endl;
 
         xfrin_session = new Session(io_service.get_io_service());
@@ -190,6 +196,14 @@ main(int argc, char* argv[]) {
             changeUser(uid);
         }
 
+        cout << "[b10-auth] Loading TSIG keys" << endl;
+        isc::server_common::initKeyring(*config_session);
+        auth_server->setTSIGKeyRing(&isc::server_common::keyring);
+
+        // Now start asynchronous read.
+        config_session->start();
+        cout << "[b10-auth] Configuration channel started." << endl;
+
         cout << "[b10-auth] Server started." << endl;
         io_service.run();
 

src/bin/auth/tests/Makefile.am

@@ -52,6 +52,7 @@ run_unittests_LDADD += $(top_builddir)/src/lib/xfr/libxfr.la
 run_unittests_LDADD += $(top_builddir)/src/lib/log/liblog.la
 run_unittests_LDADD += $(top_builddir)/src/lib/server_common/libserver_common.la
 run_unittests_LDADD += $(top_builddir)/src/lib/nsas/libnsas.la
+run_unittests_LDADD += $(top_builddir)/src/lib/util/unittests/libutil_unittests.la
 endif
 
 noinst_PROGRAMS = $(TESTS)

src/bin/auth/tests/auth_srv_unittest.cc

@@ -16,6 +16,8 @@
 
 #include <vector>
 
+#include <boost/shared_ptr.hpp>
+
 #include <gtest/gtest.h>
 
 #include <dns/message.h>
@@ -25,8 +27,10 @@
 #include <dns/rrtype.h>
 #include <dns/rrttl.h>
 #include <dns/rdataclass.h>
+#include <dns/tsig.h>
 
 #include <server_common/portconfig.h>
+#include <server_common/keyring.h>
 
 #include <datasrc/memory_datasrc.h>
 #include <auth/auth_srv.h>
@@ -50,6 +54,7 @@ using namespace isc::asiolink;
 using namespace isc::testutils;
 using namespace isc::server_common::portconfig;
 using isc::UnitTestUtil;
+using boost::shared_ptr;
 
 namespace {
 const char* const CONFIG_TESTDB =
@@ -242,6 +247,139 @@ TEST_F(AuthSrvTest, AXFRSuccess) {
     EXPECT_TRUE(xfrout.isConnected());
 }
 
+// Try giving the server a TSIG signed request and see it can anwer signed as
+// well
+TEST_F(AuthSrvTest, TSIGSigned) {
+    // Prepare key, the client message, etc
+    const TSIGKey key("key:c2VjcmV0Cg==:hmac-sha1");
+    TSIGContext context(key);
+    UnitTestUtil::createRequestMessage(request_message, opcode, default_qid,
+                         Name("version.bind"), RRClass::CH(), RRType::TXT());
+    createRequestPacket(request_message, IPPROTO_UDP, &context);
+
+    // Run the message through the server
+    shared_ptr<TSIGKeyRing> keyring(new TSIGKeyRing);
+    keyring->add(key);
+    server.setTSIGKeyRing(&keyring);
+    server.processMessage(*io_message, parse_message, response_obuffer,
+                          &dnsserv);
+
+    // What did we get?
+    EXPECT_TRUE(dnsserv.hasAnswer());
+    headerCheck(*parse_message, default_qid, Rcode::NOERROR(),
+                opcode.getCode(), QR_FLAG | AA_FLAG, 1, 1, 1, 0);
+    // We need to parse the message ourself, or getTSIGRecord won't work
+    InputBuffer ib(response_obuffer->getData(), response_obuffer->getLength());
+    Message m(Message::PARSE);
+    m.fromWire(ib);
+
+    const TSIGRecord* tsig = m.getTSIGRecord();
+    ASSERT_TRUE(tsig != NULL) << "Missing TSIG signature";
+    TSIGError error(context.verify(tsig, response_obuffer->getData(),
+                                   response_obuffer->getLength()));
+    EXPECT_EQ(TSIGError::NOERROR(), error) <<
+        "The server signed the response, but it doesn't seem to be valid";
+}
+
+// Give the server a signed request, but don't give it the key. It will
+// not be able to verify it, returning BADKEY
+TEST_F(AuthSrvTest, TSIGSignedBadKey) {
+    TSIGKey key("key:c2VjcmV0Cg==:hmac-sha1");
+    TSIGContext context(key);
+    UnitTestUtil::createRequestMessage(request_message, opcode, default_qid,
+                         Name("version.bind"), RRClass::CH(), RRType::TXT());
+    createRequestPacket(request_message, IPPROTO_UDP, &context);
+
+    // Process the message, but use a different key there
+    shared_ptr<TSIGKeyRing> keyring(new TSIGKeyRing);
+    server.setTSIGKeyRing(&keyring);
+    server.processMessage(*io_message, parse_message, response_obuffer,
+                          &dnsserv);
+
+    EXPECT_TRUE(dnsserv.hasAnswer());
+    headerCheck(*parse_message, default_qid, TSIGError::BAD_KEY().toRcode(),
+                opcode.getCode(), QR_FLAG, 1, 0, 0, 0);
+    // We need to parse the message ourself, or getTSIGRecord won't work
+    InputBuffer ib(response_obuffer->getData(), response_obuffer->getLength());
+    Message m(Message::PARSE);
+    m.fromWire(ib);
+
+    const TSIGRecord* tsig = m.getTSIGRecord();
+    ASSERT_TRUE(tsig != NULL) <<
+        "Missing TSIG signature (we should have one even at error)";
+    EXPECT_EQ(TSIGError::BAD_KEY_CODE, tsig->getRdata().getError());
+    EXPECT_EQ(0, tsig->getRdata().getMACSize()) <<
+        "It should be unsigned with this error";
+}
+
+// Give the server a signed request, but signed by a different key
+// (with the same name). It should return BADSIG
+TEST_F(AuthSrvTest, TSIGBadSig) {
+    TSIGKey key("key:c2VjcmV0Cg==:hmac-sha1");
+    TSIGContext context(key);
+    UnitTestUtil::createRequestMessage(request_message, opcode, default_qid,
+                         Name("version.bind"), RRClass::CH(), RRType::TXT());
+    createRequestPacket(request_message, IPPROTO_UDP, &context);
+
+    // Process the message, but use a different key there
+    shared_ptr<TSIGKeyRing> keyring(new TSIGKeyRing);
+    keyring->add(TSIGKey("key:QkFECg==:hmac-sha1"));
+    server.setTSIGKeyRing(&keyring);
+    server.processMessage(*io_message, parse_message, response_obuffer,
+                          &dnsserv);
+
+    EXPECT_TRUE(dnsserv.hasAnswer());
+    headerCheck(*parse_message, default_qid, TSIGError::BAD_SIG().toRcode(),
+                opcode.getCode(), QR_FLAG, 1, 0, 0, 0);
+    // We need to parse the message ourself, or getTSIGRecord won't work
+    InputBuffer ib(response_obuffer->getData(), response_obuffer->getLength());
+    Message m(Message::PARSE);
+    m.fromWire(ib);
+
+    const TSIGRecord* tsig = m.getTSIGRecord();
+    ASSERT_TRUE(tsig != NULL) <<
+        "Missing TSIG signature (we should have one even at error)";
+    EXPECT_EQ(TSIGError::BAD_SIG_CODE, tsig->getRdata().getError());