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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 12:15:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 12:15:43 +0000
commitf5f56e1a1c4d9e9496fcb9d81131066a964ccd23 (patch)
tree49e44c6f87febed37efb953ab5485aa49f6481a7 /src/lib/dns/rdata/generic/dname_39.cc
parentInitial commit. (diff)
downloadisc-kea-upstream.tar.xz
isc-kea-upstream.zip
Adding upstream version 2.4.1.upstream/2.4.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/lib/dns/rdata/generic/dname_39.cc')
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diff --git a/src/lib/dns/rdata/generic/dname_39.cc b/src/lib/dns/rdata/generic/dname_39.cc
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+// Copyright (C) 2010-2015 Internet Systems Consortium, Inc. ("ISC")
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#include <config.h>
+
+#include <string>
+
+#include <util/buffer.h>
+#include <dns/name.h>
+#include <dns/messagerenderer.h>
+#include <dns/rdata.h>
+#include <dns/rdataclass.h>
+
+#include <dns/rdata/generic/detail/lexer_util.h>
+
+using namespace std;
+using namespace isc::util;
+using isc::dns::rdata::generic::detail::createNameFromLexer;
+
+// BEGIN_ISC_NAMESPACE
+// BEGIN_RDATA_NAMESPACE
+
+/// \brief Constructor from string.
+///
+/// The given string must represent a valid DNAME RDATA. There can be extra
+/// space characters at the beginning or end of the text (which are simply
+/// ignored), but other extra text, including a new line, will make the
+/// construction fail with an exception.
+///
+/// The TARGET must be absolute since there's no parameter that specifies
+/// the origin name; if it is not absolute, \c MissingNameOrigin
+/// exception will be thrown. These must not be represented as a quoted
+/// string.
+///
+/// \throw Others Exception from the Name and RRTTL constructors.
+/// \throw InvalidRdataText Other general syntax errors.
+DNAME::DNAME(const std::string& namestr) :
+ // Fill in dummy name and replace it soon below.
+ dname_(Name::ROOT_NAME())
+{
+ try {
+ std::istringstream ss(namestr);
+ MasterLexer lexer;
+ lexer.pushSource(ss);
+
+ dname_ = createNameFromLexer(lexer, NULL);
+
+ if (lexer.getNextToken().getType() != MasterToken::END_OF_FILE) {
+ isc_throw(InvalidRdataText, "extra input text for DNAME: "
+ << namestr);
+ }
+ } catch (const MasterLexer::LexerError& ex) {
+ isc_throw(InvalidRdataText, "Failed to construct DNAME from '" <<
+ namestr << "': " << ex.what());
+ }
+}
+
+DNAME::DNAME(InputBuffer& buffer, size_t) :
+ dname_(buffer)
+{
+ // we don't need rdata_len for parsing. if necessary, the caller will
+ // check consistency.
+}
+
+/// \brief Constructor with a context of MasterLexer.
+///
+/// The \c lexer should point to the beginning of valid textual
+/// representation of a DNAME RDATA. The TARGET field can be
+/// non-absolute if \c origin is non-NULL, in which case \c origin is
+/// used to make it absolute. It must not be represented as a quoted
+/// string.
+///
+/// \throw MasterLexer::LexerError General parsing error such as missing field.
+/// \throw Other Exceptions from the Name and RRTTL constructors if
+/// construction of textual fields as these objects fail.
+///
+/// \param lexer A \c MasterLexer object parsing a master file for the
+/// RDATA to be created
+/// \param origin If non NULL, specifies the origin of TARGET when it
+/// is non-absolute.
+DNAME::DNAME(MasterLexer& lexer, const Name* origin,
+ MasterLoader::Options, MasterLoaderCallbacks&) :
+ dname_(createNameFromLexer(lexer, origin))
+{}
+
+DNAME::DNAME(const DNAME& other) :
+ Rdata(), dname_(other.dname_)
+{}
+
+DNAME::DNAME(const Name& dname) :
+ dname_(dname)
+{}
+
+void
+DNAME::toWire(OutputBuffer& buffer) const {
+ dname_.toWire(buffer);
+}
+
+void
+DNAME::toWire(AbstractMessageRenderer& renderer) const {
+ // Type DNAME is not "well-known", and name compression must be disabled
+ // per RFC3597.
+ renderer.writeName(dname_, false);
+}
+
+string
+DNAME::toText() const {
+ return (dname_.toText());
+}
+
+int
+DNAME::compare(const Rdata& other) const {
+ const DNAME& other_dname = dynamic_cast<const DNAME&>(other);
+
+ return (compareNames(dname_, other_dname.dname_));
+}
+
+const Name&
+DNAME::getDname() const {
+ return (dname_);
+}
+
+// END_RDATA_NAMESPACE
+// END_ISC_NAMESPACE