[trac1104] added a straightforward NameCheck class

src/lib/acl/dnsname_check.h

@@ -0,0 +1,56 @@
+// Copyright (C) 2011  Internet Systems Consortium, Inc. ("ISC")
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+#ifndef __DNSNAME_CHECK_H
+#define __DNSNAME_CHECK_H 1
+
+#include <dns/name.h>
+
+#include <acl/check.h>
+
+namespace isc {
+namespace acl {
+namespace dns {
+
+template <typename Context>
+class NameCheck : public Check<Context> {
+public:
+    NameCheck(const isc::dns::Name& name) : name_(name) {}
+
+    /// \brief Destructor
+    virtual ~NameCheck() {}
+
+    /// \brief The check itself
+    ///
+    /// Matches the passed argument to the condition stored here.  Different
+    /// specialisations must be provided for different argument types, and the
+    /// program will fail to compile if a required specialisation is not
+    /// provided.
+    ///
+    /// \param context Information to be matched
+    virtual bool matches(const Context& context) const;
+
+private:
+    const isc::dns::Name name_;
+};
+
+} // namespace dns
+} // namespace acl
+} // namespace isc
+
+#endif // __DNSNAME_CHECK_H
+
+// Local Variables:
+// mode: c++
+// End:

src/lib/acl/tests/dnsname_check_unittest.cc

@@ -0,0 +1,49 @@
+// Copyright (C) 2011  Internet Systems Consortium, Inc. ("ISC")
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+#include <gtest/gtest.h>
+
+#include <dns/name.h>
+
+#include <acl/dnsname_check.h>
+
+using namespace isc::dns;
+using namespace isc::acl::dns;
+
+// Provide a specialization of the DNSNameCheck::matches() method.
+namespace isc  {
+namespace acl {
+namespace dns {
+template <>
+bool NameCheck<Name>::matches(const Name& name) const {
+    return (name_ == name);
+}
+} // namespace dns
+} // namespace acl
+} // namespace isc
+
+namespace {
+TEST(DNSNameCheck, match) {
+    NameCheck<Name> check(Name("example.com"));
+    EXPECT_TRUE(check.matches(Name("example.com")));
+    EXPECT_FALSE(check.matches(Name("example.org")));
+
+    // comparison is case insensitive
+    EXPECT_TRUE(check.matches(Name("EXAMPLE.COM")));
+
+    // this is exact match.  so super/sub domains don't match
+    EXPECT_FALSE(check.matches(Name("org")));
+    EXPECT_FALSE(check.matches(Name("www.example.com")));
+}
+} // Unnamed namespace