bitcoin/src/test/fuzz/deserialize.cpp

// Copyright (c) 2009-2019 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#include <addrdb.h>
#include <addrman.h>
#include <blockencodings.h>
#include <chain.h>
#include <coins.h>
#include <compressor.h>
#include <consensus/merkle.h>
#include <net.h>
#include <primitives/block.h>
#include <protocol.h>
#include <streams.h>
#include <undo.h>
#include <version.h>

#include <stdint.h>
#include <unistd.h>

#include <vector>

#include <test/fuzz/fuzz.h>

void test_one_input(std::vector<uint8_t> buffer)
{
    CDataStream ds(buffer, SER_NETWORK, INIT_PROTO_VERSION);
    try {
        int nVersion;
        ds >> nVersion;
        ds.SetVersion(nVersion);
    } catch (const std::ios_base::failure& e) {
        return;
    }

#if BLOCK_DESERIALIZE
            try
            {
                CBlock block;
                ds >> block;
            } catch (const std::ios_base::failure& e) {return;}
#elif TRANSACTION_DESERIALIZE
            try
            {
                CTransaction tx(deserialize, ds);
            } catch (const std::ios_base::failure& e) {return;}
#elif BLOCKLOCATOR_DESERIALIZE
            try
            {
                CBlockLocator bl;
                ds >> bl;
            } catch (const std::ios_base::failure& e) {return;}
#elif BLOCKMERKLEROOT
            try
            {
                CBlock block;
                ds >> block;
                bool mutated;
                BlockMerkleRoot(block, &mutated);
            } catch (const std::ios_base::failure& e) {return;}
#elif ADDRMAN_DESERIALIZE
            try
            {
                CAddrMan am;
                ds >> am;
            } catch (const std::ios_base::failure& e) {return;}
#elif BLOCKHEADER_DESERIALIZE
            try
            {
                CBlockHeader bh;
                ds >> bh;
            } catch (const std::ios_base::failure& e) {return;}
#elif BANENTRY_DESERIALIZE
            try
            {
                CBanEntry be;
                ds >> be;
            } catch (const std::ios_base::failure& e) {return;}
#elif TXUNDO_DESERIALIZE
            try
            {
                CTxUndo tu;
                ds >> tu;
            } catch (const std::ios_base::failure& e) {return;}
#elif BLOCKUNDO_DESERIALIZE
            try
            {
                CBlockUndo bu;
                ds >> bu;
            } catch (const std::ios_base::failure& e) {return;}
#elif COINS_DESERIALIZE
            try
            {
                Coin coin;
                ds >> coin;
            } catch (const std::ios_base::failure& e) {return;}
#elif NETADDR_DESERIALIZE
            try
            {
                CNetAddr na;
                ds >> na;
            } catch (const std::ios_base::failure& e) {return;}
#elif SERVICE_DESERIALIZE
            try
            {
                CService s;
                ds >> s;
            } catch (const std::ios_base::failure& e) {return;}
#elif MESSAGEHEADER_DESERIALIZE
            CMessageHeader::MessageStartChars pchMessageStart = {0x00, 0x00, 0x00, 0x00};
            try
            {
                CMessageHeader mh(pchMessageStart);
                ds >> mh;
                if (!mh.IsValid(pchMessageStart)) {return;}
            } catch (const std::ios_base::failure& e) {return;}
#elif ADDRESS_DESERIALIZE
            try
            {
                CAddress a;
                ds >> a;
            } catch (const std::ios_base::failure& e) {return;}
#elif INV_DESERIALIZE
            try
            {
                CInv i;
                ds >> i;
            } catch (const std::ios_base::failure& e) {return;}
#elif BLOOMFILTER_DESERIALIZE
            try
            {
                CBloomFilter bf;
                ds >> bf;
            } catch (const std::ios_base::failure& e) {return;}
#elif DISKBLOCKINDEX_DESERIALIZE
            try
            {
                CDiskBlockIndex dbi;
                ds >> dbi;
            } catch (const std::ios_base::failure& e) {return;}
#elif TXOUTCOMPRESSOR_DESERIALIZE
            CTxOut to;
            CTxOutCompressor toc(to);
            try
            {
                ds >> toc;
            } catch (const std::ios_base::failure& e) {return;}
#elif BLOCKTRANSACTIONS_DESERIALIZE
            try
            {
                BlockTransactions bt;
                ds >> bt;
            } catch (const std::ios_base::failure& e) {return;}
#elif BLOCKTRANSACTIONSREQUEST_DESERIALIZE
            try
            {
                BlockTransactionsRequest btr;
                ds >> btr;
            } catch (const std::ios_base::failure& e) {return;}
#else
#error Need at least one fuzz target to compile
#endif
}