pdns/test-ednscookie_cc.cc

   1 /*
   2  * This file is part of PowerDNS or dnsdist.
   3  * Copyright -- PowerDNS.COM B.V. and its contributors
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * In addition, for the avoidance of any doubt, permission is granted to
  10  * link this program with OpenSSL and to (re)distribute the binaries
  11  * produced as the result of such linking.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  21  */
  22 #ifndef BOOST_TEST_DYN_LINK
  23 #define BOOST_TEST_DYN_LINK
  24 #endif
  25
  26 #define BOOST_TEST_NO_MAIN
  27
  28 #ifdef HAVE_CONFIG_H
  29 #include "config.h"
  30 #endif
  31 #include "ednscookies.hh"
  32
  33 #include <boost/test/unit_test.hpp>
  34
  35 BOOST_AUTO_TEST_SUITE(test_ednscookie)
  36 BOOST_AUTO_TEST_CASE(test_getEDNSCookiesOptFromString)
  37 {
  38   string cookie("");
  39   EDNSCookiesOpt eco(cookie);
  40   // Length 0
  41   BOOST_CHECK(!eco.isWellFormed());
  42
  43   // Too short
  44   cookie = "\x12\x34\x56\x78\x90\xab\xcd";
  45   BOOST_CHECK(!eco.makeFromString(cookie));
  46
  47   // Correct length client cookie
  48   cookie = "\x12\x34\x56\x78\x90\xab\xcd\xef";
  49   BOOST_CHECK(eco.makeFromString(cookie));
  50
  51   // Too short server cookie
  52   cookie = "\x12\x34\x56\x78\x90\xab\xcd\xef\x01";
  53   BOOST_CHECK(!eco.makeFromString(cookie));
  54
  55   cookie = "\x12\x34\x56\x78\x90\xab\xcd\xef\x12\x34\x56\x78\x90\xab\xcd";
  56   BOOST_CHECK(!eco.makeFromString(cookie));
  57
  58   // Have server cookie of correct length
  59   cookie = "\x12\x34\x56\x78\x90\xab\xcd\xef";
  60   cookie += cookie; // size 16
  61   BOOST_CHECK(eco.makeFromString(cookie));
  62
  63   cookie += cookie; // size 32
  64   BOOST_CHECK(eco.makeFromString(cookie));
  65
  66   cookie += "\x12\x34\x56\x78\x90\xab\xcd\xef"; // size 40 (the max)
  67   BOOST_CHECK(eco.makeFromString(cookie));
  68
  69   // Cookie total size too long
  70   cookie += "\x01";
  71   BOOST_CHECK(!eco.makeFromString(cookie));
  72 }
  73
  74 BOOST_AUTO_TEST_CASE(test_ctor)
  75 {
  76   string cookie("");
  77   auto eco = EDNSCookiesOpt(cookie);
  78   BOOST_CHECK(!eco.isWellFormed());
  79
  80   eco = EDNSCookiesOpt("\x12\x34\x56\x78\x90\xab\xcd\xef");
  81   BOOST_CHECK(eco.isWellFormed());
  82   BOOST_CHECK_EQUAL(8U, eco.makeOptString().length());
  83 }
  84
  85 #ifdef HAVE_CRYPTO_SHORTHASH
  86 BOOST_AUTO_TEST_CASE(test_createEDNSServerCookie)
  87 {
  88   auto eco = EDNSCookiesOpt("\x12\x34\x56\x78\x90\xab\xcd\xef");
  89   ComboAddress remote("192.0.2.2");
  90
  91   BOOST_CHECK(eco.isWellFormed());
  92
  93   // wrong keysize (not 128 bits)
  94   string secret = "blablablabla";
  95   BOOST_CHECK(!eco.makeServerCookie(secret, remote));
  96   BOOST_CHECK(eco.isWellFormed());
  97   BOOST_CHECK(!eco.isValid(secret, remote));
  98
  99   secret = "blablablablablab";
 100   BOOST_CHECK(eco.makeServerCookie(secret, remote));
 101   BOOST_CHECK(eco.isWellFormed());
 102   BOOST_CHECK(eco.isValid(secret, remote));
 103
 104   EDNSCookiesOpt eco2(eco.makeOptString());
 105   BOOST_CHECK(!eco2.isValid(secret, ComboAddress("192.0.2.1")));
 106   BOOST_CHECK(!eco2.isValid("blablablablabla1", remote));
 107   BOOST_CHECK(eco2.isValid(secret, remote));
 108 }
 109 #endif
 110
 111 BOOST_AUTO_TEST_SUITE_END()