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Address issues identified by external review:

Browse Source 
* RIPD-1617, RIPD-1619, RIPD-1621:
  Verify serialized public keys more strictly before
  using them.

* RIPD-1618:
    * Simplify the base58 decoder logic.
    * Reduce the complexity of the base58 encoder and
      eliminate a potential out-of-bounds memory access.
    * Improve type safety by using an `enum class` to
      enforce strict type checking for token types.

* RIPD-1616:
  Avoid calling `memcpy` with a null pointer even if the
  size is specified as zero, since it results in undefined
  behavior.

Acknowledgements:
Ripple thanks Guido Vranken for responsibly disclosing these
issues.

Bug Bounties and Responsible Disclosures:
We welcome reviews of the rippled code and urge researchers
to responsibly disclose any issues that they may find. For
more on Ripple's Bug Bounty program, please visit:
https://ripple.com/bug-bounty
This commit is contained in:
Nikolaos D. Bougalis
2018-03-15 20:58:05 -07:00
parent 25de6b0a5f
commit d5f981f5fc
47 changed files with 393 additions and 264 deletions
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111
src/test/protocol/STValidation_test.cpp Normal file
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//------------------------------------------------------------------------------
/*
This file is part of rippled: https://github.com/ripple/rippled
Copyright (c) 2012, 2013 Ripple Labs Inc.
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 THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR 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 <BeastConfig.h>
#include <ripple/basics/Log.h>
#include <ripple/protocol/JsonFields.h>
#include <ripple/protocol/SecretKey.h>
#include <ripple/protocol/st.h>
#include <ripple/json/json_reader.h>
#include <ripple/json/to_string.h>
#include <ripple/beast/unit_test.h>
#include <test/jtx.h>
#include <memory>
#include <type_traits>
namespace ripple {
class STValidation_test : public beast::unit_test::suite
{
public:
void testDeserialization ()
{
testcase ("Deserialization");
constexpr unsigned char payload1[] =
{ // specifies an Ed25519 public key
0x72, 0x00, 0x73, 0x21, 0xed, 0x78, 0x00, 0xe6, 0x73, 0x00, 0x72, 0x00, 0x3c, 0x00, 0x00, 0x00,
0x88, 0x00, 0xe6, 0x73, 0x38, 0x00, 0x00, 0x8a, 0x00, 0x88, 0x4e, 0x31, 0x30, 0x5f, 0x5f, 0x63,
0x78, 0x78, 0x61, 0x62, 0x69, 0x76, 0x31, 0x30, 0x37, 0x5f, 0x5f, 0x63, 0x6c, 0x61, 0x73, 0x73,
0x5f, 0x74, 0x79, 0x70, 0x65, 0x5f, 0x69, 0x6e, 0x66, 0x6f, 0x45, 0x00, 0xe6, 0x88, 0x54, 0x72,
0x75, 0x73, 0x74, 0x53, 0x65, 0x74, 0x65, 0x61, 0x74, 0x65, 0x88, 0x00, 0xe6, 0x88, 0x00, 0xe6,
0x73, 0x00, 0x72, 0x00, 0x8a, 0x00, 0x88, 0x00, 0xe6
};
constexpr unsigned char payload2[] =
{
0x73, 0x21, 0xed, 0xff, 0x03, 0x1c, 0xbe, 0x65, 0x22, 0x61, 0x9c, 0x5e, 0x13, 0x12, 0x00, 0x3b,
0x43, 0x00, 0x00, 0x00, 0xf7, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x13, 0x13, 0x13,
0x3a, 0x27, 0xff
};
constexpr unsigned char payload3[] =
{ // Has no public key at all
0x72, 0x00, 0x76, 0x31, 0x30, 0x37, 0x5f, 0x5f, 0x63, 0x6c, 0x61, 0x73, 0x73, 0x5f, 0x74, 0x79,
0x70, 0x65, 0x5f, 0x69, 0x6e, 0x66, 0x6f, 0x45, 0x00, 0xe6, 0x88, 0x54, 0x72, 0x75, 0x73, 0x74,
0x53, 0x65, 0x74, 0x65, 0x61, 0x74, 0x65, 0x88, 0x00, 0xe6, 0x88, 0x00, 0xe6, 0x73, 0x00, 0x72,
0x00, 0x8a, 0x00, 0x88, 0x00, 0xe6
};
try
{
SerialIter sit{payload1, sizeof(payload1)};
auto stx = std::make_shared<ripple::STValidation>(sit);
fail("An exception should have been thrown");
}
catch (std::exception const& e)
{
BEAST_EXPECT(strcmp(e.what(), "Invalid public key in validation") == 0);
}
try
{
SerialIter sit{payload2, sizeof(payload2)};
auto stx = std::make_shared<ripple::STValidation>(sit);
fail("An exception should have been thrown");
}
catch (std::exception const& e)
{
BEAST_EXPECT(strcmp(e.what(), "Invalid public key in validation") == 0);
}
try
{
SerialIter sit{payload3, sizeof(payload3)};
auto stx = std::make_shared<ripple::STValidation>(sit);
fail("An exception should have been thrown");
}
catch (std::exception const& e)
{
log << e.what() << "\n";
BEAST_EXPECT(strcmp(e.what(), "Invalid public key in validation") == 0);
}
}
void
run()
{
testDeserialization();
}
};
BEAST_DEFINE_TESTSUITE(STValidation,protocol,ripple);
} // ripple