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rpc: Limit echo to 10 args

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This commit is contained in:
MarcoFalke 2020-07-15 22:10:45 +02:00
parent fa89ca9b5b
commit fa50bdc755
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GPG key ID: CE2B75697E69A548
2 changed files with 18 additions and 5 deletions
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19
src/rpc/misc.cpp
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@ -583,16 +583,29 @@ static UniValue echo(const JSONRPCRequest& request)
throw std::runtime_error(
RPCHelpMan{"echo|echojson ...",
"\nSimply echo back the input arguments. This command is for testing.\n"
"\nIt will return an internal bug report when exactly 100 arguments are passed.\n"
"\nIt will return an internal bug report when arg9='trigger_internal_bug' is passed.\n"
"\nThe difference between echo and echojson is that echojson has argument conversion enabled in the client-side table in "
"bitcoin-cli and the GUI. There is no server-side difference.",
{},
{
{"arg0", RPCArg::Type::STR, RPCArg::Optional::OMITTED_NAMED_ARG, ""},
{"arg1", RPCArg::Type::STR, RPCArg::Optional::OMITTED_NAMED_ARG, ""},
{"arg2", RPCArg::Type::STR, RPCArg::Optional::OMITTED_NAMED_ARG, ""},
{"arg3", RPCArg::Type::STR, RPCArg::Optional::OMITTED_NAMED_ARG, ""},
{"arg4", RPCArg::Type::STR, RPCArg::Optional::OMITTED_NAMED_ARG, ""},
{"arg5", RPCArg::Type::STR, RPCArg::Optional::OMITTED_NAMED_ARG, ""},
{"arg6", RPCArg::Type::STR, RPCArg::Optional::OMITTED_NAMED_ARG, ""},
{"arg7", RPCArg::Type::STR, RPCArg::Optional::OMITTED_NAMED_ARG, ""},
{"arg8", RPCArg::Type::STR, RPCArg::Optional::OMITTED_NAMED_ARG, ""},
{"arg9", RPCArg::Type::STR, RPCArg::Optional::OMITTED_NAMED_ARG, ""},
},
RPCResult{RPCResult::Type::NONE, "", "Returns whatever was passed in"},
RPCExamples{""},
}.ToString()
);
CHECK_NONFATAL(request.params.size() != 100);
if (request.params[9].isStr()) {
CHECK_NONFATAL(request.params[9].get_str() != "trigger_internal_bug");
}
return request.params;
}

4
test/functional/rpc_misc.py
View file

@ -27,8 +27,8 @@ class RpcMiscTest(BitcoinTestFramework):
self.log.info("test CHECK_NONFATAL")
assert_raises_rpc_error(
-1,
"Internal bug detected: 'request.params.size() != 100'",
lambda: node.echo(*[0] * 100),
'Internal bug detected: \'request.params[9].get_str() != "trigger_internal_bug"\'',
lambda: node.echo(arg9='trigger_internal_bug'),
)
self.log.info("test getmemoryinfo")