tests: add base58 fuzz test

contrib/fuzz_testing/fuzz.sh

@@ -10,12 +10,12 @@ fi
 type="$1"
 if test -z "$type"
 then
-  echo "usage: $0 block|transaction|signature|cold-outputs|cold-transaction|load-from-binary|load-from-json"
+  echo "usage: $0 block|transaction|signature|cold-outputs|cold-transaction|load-from-binary|load-from-json|base58"
   exit 1
 fi
 case "$type" in
-  block|transaction|signature|cold-outputs|cold-transaction|load-from-binary|load-from-json) ;;
+  block|transaction|signature|cold-outputs|cold-transaction|load-from-binary|load-from-json|base58) ;;
-  *) echo "usage: $0 block|transaction|signature|cold-outputs|cold-transaction|load-from-binary|load-from-json"; exit 1 ;;
+  *) echo "usage: $0 block|transaction|signature|cold-outputs|cold-transaction|load-from-binary|load-from-json|base58"; exit 1 ;;
 esac
 
 if test -d "fuzz-out/$type"

tests/data/fuzz/base58/ENC2

@@ -0,0 +1 @@
+9zZBkWRgMNPEnVofRFqWK9MKBwgXNyKELBJSttxb1t2UhDM114URntt5iYcXzXusoHZygfSojsbviXZhnP9pJ4p2SDcv81L

tests/fuzz/CMakeLists.txt

@@ -113,3 +113,15 @@ set_property(TARGET load-from-json_fuzz_tests
   PROPERTY
     FOLDER "tests")
 
+add_executable(base58_fuzz_tests base58.cpp fuzzer.cpp)
+target_link_libraries(base58_fuzz_tests
+  PRIVATE
+    common
+    epee
+    ${Boost_PROGRAM_OPTIONS_LIBRARY}
+    ${CMAKE_THREAD_LIBS_INIT}
+    ${EXTRA_LIBRARIES})
+set_property(TARGET base58_fuzz_tests
+  PROPERTY
+    FOLDER "tests")
+

tests/fuzz/base58.cpp

@@ -0,0 +1,74 @@
+// Copyright (c) 2017, The Monero Project
+// 
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+// 
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+// 
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+// 
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "include_base_utils.h"
+#include "file_io_utils.h"
+#include "common/base58.h"
+#include "fuzzer.h"
+
+class Base58Fuzzer: public Fuzzer
+{
+public:
+  Base58Fuzzer() {}
+  virtual int init();
+  virtual int run(const std::string &filename);
+};
+
+int Base58Fuzzer::init()
+{
+  return 0;
+}
+
+int Base58Fuzzer::run(const std::string &filename)
+{
+  std::string s;
+
+  if (!epee::file_io_utils::load_file_to_string(filename, s))
+  {
+    std::cout << "Error: failed to load file " << filename << std::endl;
+    return 1;
+  }
+  try
+  {
+    std::string data;
+    tools::base58::decode(s, data);
+  }
+  catch (const std::exception &e)
+  {
+    std::cerr << "Failed to load from binary: " << e.what() << std::endl;
+    return 1;
+  }
+  return 0;
+}
+
+int main(int argc, const char **argv)
+{
+  Base58Fuzzer fuzzer;
+  return run_fuzzer(argc, argv, fuzzer);
+}
+