diff options
| -rw-r--r-- | src/net_processing.cpp | 21 | ||||
| -rwxr-xr-x | test/functional/p2p_segwit.py | 26 |
2 files changed, 33 insertions, 14 deletions
diff --git a/src/net_processing.cpp b/src/net_processing.cpp index cb2b9f8c03..a3b865a69e 100644 --- a/src/net_processing.cpp +++ b/src/net_processing.cpp @@ -3288,23 +3288,22 @@ bool PeerLogicValidation::ProcessMessages(CNode* pfrom, std::atomic<bool>& inter if (m_enable_bip61) { connman->PushMessage(pfrom, CNetMsgMaker(INIT_PROTO_VERSION).Make(NetMsgType::REJECT, strCommand, REJECT_MALFORMED, std::string("error parsing message"))); } - if (strstr(e.what(), "end of data")) - { + if (strstr(e.what(), "end of data")) { // Allow exceptions from under-length message on vRecv LogPrint(BCLog::NET, "%s(%s, %u bytes): Exception '%s' caught, normally caused by a message being shorter than its stated length\n", __func__, SanitizeString(strCommand), nMessageSize, e.what()); - } - else if (strstr(e.what(), "size too large")) - { + } else if (strstr(e.what(), "size too large")) { // Allow exceptions from over-long size LogPrint(BCLog::NET, "%s(%s, %u bytes): Exception '%s' caught\n", __func__, SanitizeString(strCommand), nMessageSize, e.what()); - } - else if (strstr(e.what(), "non-canonical ReadCompactSize()")) - { + } else if (strstr(e.what(), "non-canonical ReadCompactSize()")) { // Allow exceptions from non-canonical encoding LogPrint(BCLog::NET, "%s(%s, %u bytes): Exception '%s' caught\n", __func__, SanitizeString(strCommand), nMessageSize, e.what()); - } - else - { + } else if (strstr(e.what(), "Superfluous witness record")) { + // Allow exceptions from illegal witness encoding + LogPrint(BCLog::NET, "%s(%s, %u bytes): Exception '%s' caught\n", __func__, SanitizeString(strCommand), nMessageSize, e.what()); + } else if (strstr(e.what(), "Unknown transaction optional data")) { + // Allow exceptions from unknown witness encoding + LogPrint(BCLog::NET, "%s(%s, %u bytes): Exception '%s' caught\n", __func__, SanitizeString(strCommand), nMessageSize, e.what()); + } else { PrintExceptionContinue(&e, "ProcessMessages()"); } } diff --git a/test/functional/p2p_segwit.py b/test/functional/p2p_segwit.py index 000c30646a..df0f9fa365 100755 --- a/test/functional/p2p_segwit.py +++ b/test/functional/p2p_segwit.py @@ -2038,9 +2038,9 @@ class SegWitTest(BitcoinTestFramework): # TODO: test p2sh sigop counting def test_superfluous_witness(self): - # Serialization of tx that puts witness flag to 1 always + # Serialization of tx that puts witness flag to 3 always def serialize_with_bogus_witness(tx): - flags = 1 + flags = 3 r = b"" r += struct.pack("<i", tx.nVersion) if flags: @@ -2059,9 +2059,29 @@ class SegWitTest(BitcoinTestFramework): r += struct.pack("<I", tx.nLockTime) return r - raw = self.nodes[0].createrawtransaction([{"txid":"00"*32, "vout":0}], {self.nodes[0].getnewaddress():1}) + class msg_bogus_tx(msg_tx): + def serialize(self): + return serialize_with_bogus_witness(self.tx) + + self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(address_type='bech32'), 5) + self.nodes[0].generate(1) + unspent = next(u for u in self.nodes[0].listunspent() if u['spendable'] and u['address'].startswith('bcrt')) + + raw = self.nodes[0].createrawtransaction([{"txid": unspent['txid'], "vout": unspent['vout']}], {self.nodes[0].getnewaddress(): 1}) tx = FromHex(CTransaction(), raw) assert_raises_rpc_error(-22, "TX decode failed", self.nodes[0].decoderawtransaction, serialize_with_bogus_witness(tx).hex()) + with self.nodes[0].assert_debug_log(['Superfluous witness record']): + self.nodes[0].p2p.send_message(msg_bogus_tx(tx)) + self.nodes[0].p2p.sync_with_ping() + raw = self.nodes[0].signrawtransactionwithwallet(raw) + assert raw['complete'] + raw = raw['hex'] + tx = FromHex(CTransaction(), raw) + assert_raises_rpc_error(-22, "TX decode failed", self.nodes[0].decoderawtransaction, serialize_with_bogus_witness(tx).hex()) + with self.nodes[0].assert_debug_log(['Unknown transaction optional data']): + self.nodes[0].p2p.send_message(msg_bogus_tx(tx)) + self.nodes[0].p2p.sync_with_ping() + if __name__ == '__main__': SegWitTest().main() |