Adding upstream version 1.7.3.upstream/1.7.3upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 183 insertions, 0 deletions

diff --git a/qtype.cc b/qtype.cc
new file mode 100644
index 0000000..8f4302b
--- /dev/null
+++ b/qtype.cc
@@ -0,0 +1,183 @@
+/*
+ * This file is part of PowerDNS or dnsdist.
+ * Copyright -- PowerDNS.COM B.V. and its contributors
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * In addition, for the avoidance of any doubt, permission is granted to
+ * link this program with OpenSSL and to (re)distribute the binaries
+ * produced as the result of such linking.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#include "dns.hh"
+#include <iostream>
+#include <string>
+#include <vector>
+#include <utility>
+#include <sstream>
+#include "qtype.hh"
+#include "misc.hh"
+
+static_assert(sizeof(QType) == 2, "QType is not 2 bytes in size, something is wrong!");
+
+const map<const string, uint16_t> QType::names = {
+  {"A", 1},
+  {"NS", 2},
+  {"CNAME", 5},
+  {"SOA", 6},
+  {"MB", 7},
+  {"MG", 8},
+  {"MR", 9},
+  {"PTR", 12},
+  {"HINFO", 13},
+  {"MINFO", 14},
+  {"MX", 15},
+  {"TXT", 16},
+  {"RP", 17},
+  {"AFSDB", 18},
+  {"SIG", 24},
+  {"KEY", 25},
+  {"AAAA", 28},
+  {"LOC", 29},
+  {"SRV", 33},
+  {"NAPTR", 35},
+  {"KX", 36},
+  {"CERT", 37},
+  {"A6", 38},
+  {"DNAME", 39},
+  {"OPT", 41},
+  {"APL", 42},
+  {"DS", 43},
+  {"SSHFP", 44},
+  {"IPSECKEY", 45},
+  {"RRSIG", 46},
+  {"NSEC", 47},
+  {"DNSKEY", 48},
+  {"DHCID", 49},
+  {"NSEC3", 50},
+  {"NSEC3PARAM", 51},
+  {"TLSA", 52},
+  {"SMIMEA", 53},
+  {"RKEY", 57},
+  {"CDS", 59},
+  {"CDNSKEY", 60},
+  {"OPENPGPKEY", 61},
+  {"CSYNC", 62},
+  {"SVCB", 64},
+  {"HTTPS", 65},
+  {"SPF", 99},
+  {"NID", 104},
+  {"L32", 105},
+  {"L64", 106},
+  {"LP", 107},
+  {"EUI48", 108},
+  {"EUI64", 109},
+  {"TKEY", 249},
+  //      {"TSIG", 250},
+  {"IXFR", 251},
+  {"AXFR", 252},
+  {"MAILB", 253},
+  {"MAILA", 254},
+  {"ANY", 255},
+  {"URI", 256},
+  {"CAA", 257},
+  {"DLV", 32769},
+  {"ADDR", 65400},
+  {"ALIAS", 65401},
+  {"LUA", 65402},
+};
+
+static map<uint16_t, const string> swapElements(const map<const string, uint16_t>& names) {
+  map<uint16_t, const string> ret;
+
+  for (const auto& n : names) {
+    ret.emplace(n.second, n.first);
+  }
+  return ret;
+}
+
+const map<uint16_t, const string> QType::numbers = swapElements(names);
+
+
+bool QType::isSupportedType() const
+{
+  return numbers.count(code) == 1;
+}
+
+bool QType::isMetadataType() const
+{
+  if (code == QType::AXFR ||
+      code == QType::MAILA ||
+      code == QType::MAILB ||
+      code == QType::TSIG ||
+      code == QType::IXFR)
+    return true;
+
+  return false;
+}
+
+const string QType::toString() const
+{
+  const auto& name = numbers.find(code);
+  if (name != numbers.cend()) {
+    return name->second;
+  }
+  return "TYPE" + itoa(code);
+}
+
+uint16_t QType::chartocode(const char *p)
+{
+  string P = toUpper(p);
+
+  const auto& num = names.find(P);
+  if (num != names.cend()) {
+    return num->second;
+  }
+  if (*p == '#') {
+    return static_cast<uint16_t>(atoi(p + 1));
+  }
+
+  if (boost::starts_with(P, "TYPE")) {
+    return static_cast<uint16_t>(atoi(p + 4));
+  }
+
+  return 0;
+}
+
+QType &QType::operator=(const char *p)
+{
+  code = chartocode(p);
+  return *this;
+}
+
+QType &QType::operator=(const string &s)
+{
+  code = chartocode(s.c_str());
+  return *this;
+}
+
+const std::string QClass::toString() const
+{
+  switch (qclass) {
+  case IN:
+    return "IN";
+  case CHAOS:
+    return "CHAOS";
+  case NONE:
+    return "NONE";
+  case ANY:
+    return "ANY";
+  default :
+    return "CLASS" + std::to_string(qclass);
+  }
+}