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Merge #9329: [Qt] Console: allow empty arguments

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390bd14 [Qt] Console: don't allow empty arguments when using the comma-syntax (Jonas Schnelli)
6a32c0f Qt/Test: Check handling of empty arguments in RPC debug console (Luke Dashjr)
89c8d2c [Qt] Console: allow empty arguments (Jonas Schnelli)
This commit is contained in:
Wladimir J. van der Laan 2016-12-19 09:08:00 +01:00
commit db45ad8516
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GPG key ID: 74810B012346C9A6
2 changed files with 72 additions and 21 deletions
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34
src/qt/rpcconsole.cpp
View file

@ -137,6 +137,8 @@ bool RPCConsole::RPCExecuteCommandLine(std::string &strResult, const std::string
enum CmdParseState enum CmdParseState
{ {
STATE_EATING_SPACES, STATE_EATING_SPACES,
STATE_EATING_SPACES_IN_ARG,
STATE_EATING_SPACES_IN_BRACKETS,
STATE_ARGUMENT, STATE_ARGUMENT,
STATE_SINGLEQUOTED, STATE_SINGLEQUOTED,
STATE_DOUBLEQUOTED, STATE_DOUBLEQUOTED,
@ -220,6 +222,8 @@ bool RPCConsole::RPCExecuteCommandLine(std::string &strResult, const std::string
break; break;
} }
case STATE_ARGUMENT: // In or after argument case STATE_ARGUMENT: // In or after argument
case STATE_EATING_SPACES_IN_ARG:
case STATE_EATING_SPACES_IN_BRACKETS:
case STATE_EATING_SPACES: // Handle runs of whitespace case STATE_EATING_SPACES: // Handle runs of whitespace
switch(ch) switch(ch)
{ {
@ -227,19 +231,20 @@ bool RPCConsole::RPCExecuteCommandLine(std::string &strResult, const std::string
case '\'': state = STATE_SINGLEQUOTED; break; case '\'': state = STATE_SINGLEQUOTED; break;
case '\\': state = STATE_ESCAPE_OUTER; break; case '\\': state = STATE_ESCAPE_OUTER; break;
case '(': case ')': case '\n': case '(': case ')': case '\n':
if (state == STATE_EATING_SPACES_IN_ARG)
throw std::runtime_error("Invalid Syntax");
if (state == STATE_ARGUMENT) if (state == STATE_ARGUMENT)
{ {
if (ch == '(' && stack.size() && stack.back().size() > 0) if (ch == '(' && stack.size() && stack.back().size() > 0)
stack.push_back(std::vector<std::string>()); stack.push_back(std::vector<std::string>());
if (curarg.size())
{ // don't allow commands after executed commands on baselevel
// don't allow commands after executed commands on baselevel if (!stack.size())
if (!stack.size()) throw std::runtime_error("Invalid Syntax");
throw std::runtime_error("Invalid Syntax");
stack.back().push_back(curarg); stack.back().push_back(curarg);
}
curarg.clear(); curarg.clear();
state = STATE_EATING_SPACES; state = STATE_EATING_SPACES_IN_BRACKETS;
} }
if ((ch == ')' || ch == '\n') && stack.size() > 0) if ((ch == ')' || ch == '\n') && stack.size() > 0)
{ {
@ -256,12 +261,19 @@ bool RPCConsole::RPCExecuteCommandLine(std::string &strResult, const std::string
} }
break; break;
case ' ': case ',': case '\t': case ' ': case ',': case '\t':
if(state == STATE_ARGUMENT) // Space ends argument if(state == STATE_EATING_SPACES_IN_ARG && curarg.empty() && ch == ',')
throw std::runtime_error("Invalid Syntax");
else if(state == STATE_ARGUMENT) // Space ends argument
{ {
if (curarg.size()) stack.back().push_back(curarg);
stack.back().push_back(curarg);
curarg.clear(); curarg.clear();
} }
if ((state == STATE_EATING_SPACES_IN_BRACKETS || state == STATE_ARGUMENT) && ch == ',')
{
state = STATE_EATING_SPACES_IN_ARG;
break;
}
state = STATE_EATING_SPACES; state = STATE_EATING_SPACES;
break; break;
default: curarg += ch; state = STATE_ARGUMENT; default: curarg += ch; state = STATE_ARGUMENT;

59
src/qt/test/rpcnestedtests.cpp
View file

@ -15,9 +15,23 @@
#include "util.h" #include "util.h"
#include <QDir> #include <QDir>
#include <QtGlobal>
#include <boost/filesystem.hpp> #include <boost/filesystem.hpp>
static UniValue rpcNestedTest_rpc(const JSONRPCRequest& request)
{
if (request.fHelp) {
return "help message";
}
return request.params.write(0, 0);
}
static const CRPCCommand vRPCCommands[] =
{
{ "test", "rpcNestedTest", &rpcNestedTest_rpc, true },
};
void RPCNestedTests::rpcNestedTests() void RPCNestedTests::rpcNestedTests()
{ {
UniValue jsonRPCError; UniValue jsonRPCError;
@ -26,6 +40,7 @@ void RPCNestedTests::rpcNestedTests()
// could be moved to a more generic place when we add more tests on QT level // could be moved to a more generic place when we add more tests on QT level
const CChainParams& chainparams = Params(); const CChainParams& chainparams = Params();
RegisterAllCoreRPCCommands(tableRPC); RegisterAllCoreRPCCommands(tableRPC);
tableRPC.appendCommand("rpcNestedTest", &vRPCCommands[0]);
ClearDatadirCache(); ClearDatadirCache();
std::string path = QDir::tempPath().toStdString() + "/" + strprintf("test_bitcoin_qt_%lu_%i", (unsigned long)GetTime(), (int)(GetRand(100000))); std::string path = QDir::tempPath().toStdString() + "/" + strprintf("test_bitcoin_qt_%lu_%i", (unsigned long)GetTime(), (int)(GetRand(100000)));
QDir dir(QString::fromStdString(path)); QDir dir(QString::fromStdString(path));
@ -63,16 +78,6 @@ void RPCNestedTests::rpcNestedTests()
RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo "); //whitespace at the end will be tolerated RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo "); //whitespace at the end will be tolerated
QVERIFY(result.substr(0,1) == "{"); QVERIFY(result.substr(0,1) == "{");
#if QT_VERSION >= 0x050300
// do the QVERIFY_EXCEPTION_THROWN checks only with Qt5.3 and higher (QVERIFY_EXCEPTION_THROWN was introduced in Qt5.3)
QVERIFY_EXCEPTION_THROWN(RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo() .\n"), std::runtime_error); //invalid syntax
QVERIFY_EXCEPTION_THROWN(RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo() getblockchaininfo()"), std::runtime_error); //invalid syntax
(RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo(")); //tolerate non closing brackets if we have no arguments
(RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo()()()")); //tolerate non command brackts
QVERIFY_EXCEPTION_THROWN(RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo(True)"), UniValue); //invalid argument
QVERIFY_EXCEPTION_THROWN(RPCConsole::RPCExecuteCommandLine(result, "a(getblockchaininfo(True))"), UniValue); //method not found
#endif
(RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo()[\"chain\"]")); //Quote path identifier are allowed, but look after a child contaning the quotes in the key (RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo()[\"chain\"]")); //Quote path identifier are allowed, but look after a child contaning the quotes in the key
QVERIFY(result == "null"); QVERIFY(result == "null");
@ -85,6 +90,40 @@ void RPCNestedTests::rpcNestedTests()
RPCConsole::RPCExecuteCommandLine(result, "getblock(getbestblockhash())[tx][0]"); RPCConsole::RPCExecuteCommandLine(result, "getblock(getbestblockhash())[tx][0]");
QVERIFY(result == "4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"); QVERIFY(result == "4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b");
RPCConsole::RPCExecuteCommandLine(result, "rpcNestedTest");
QVERIFY(result == "[]");
RPCConsole::RPCExecuteCommandLine(result, "rpcNestedTest ''");
QVERIFY(result == "[\"\"]");
RPCConsole::RPCExecuteCommandLine(result, "rpcNestedTest \"\"");
QVERIFY(result == "[\"\"]");
RPCConsole::RPCExecuteCommandLine(result, "rpcNestedTest '' abc");
QVERIFY(result == "[\"\",\"abc\"]");
RPCConsole::RPCExecuteCommandLine(result, "rpcNestedTest abc '' abc");
QVERIFY(result == "[\"abc\",\"\",\"abc\"]");
RPCConsole::RPCExecuteCommandLine(result, "rpcNestedTest abc abc");
QVERIFY(result == "[\"abc\",\"abc\"]");
RPCConsole::RPCExecuteCommandLine(result, "rpcNestedTest abc\t\tabc");
QVERIFY(result == "[\"abc\",\"abc\"]");
RPCConsole::RPCExecuteCommandLine(result, "rpcNestedTest(abc )");
QVERIFY(result == "[\"abc\"]");
RPCConsole::RPCExecuteCommandLine(result, "rpcNestedTest( abc )");
QVERIFY(result == "[\"abc\"]");
RPCConsole::RPCExecuteCommandLine(result, "rpcNestedTest( abc , cba )");
QVERIFY(result == "[\"abc\",\"cba\"]");
#if QT_VERSION >= 0x050300
// do the QVERIFY_EXCEPTION_THROWN checks only with Qt5.3 and higher (QVERIFY_EXCEPTION_THROWN was introduced in Qt5.3)
QVERIFY_EXCEPTION_THROWN(RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo() .\n"), std::runtime_error); //invalid syntax
QVERIFY_EXCEPTION_THROWN(RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo() getblockchaininfo()"), std::runtime_error); //invalid syntax
(RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo(")); //tolerate non closing brackets if we have no arguments
(RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo()()()")); //tolerate non command brackts
QVERIFY_EXCEPTION_THROWN(RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo(True)"), UniValue); //invalid argument
QVERIFY_EXCEPTION_THROWN(RPCConsole::RPCExecuteCommandLine(result, "a(getblockchaininfo(True))"), UniValue); //method not found
QVERIFY_EXCEPTION_THROWN(RPCConsole::RPCExecuteCommandLine(result, "rpcNestedTest abc,,abc"), std::runtime_error); //don't tollerate empty arguments when using ,
QVERIFY_EXCEPTION_THROWN(RPCConsole::RPCExecuteCommandLine(result, "rpcNestedTest(abc,,abc)"), std::runtime_error); //don't tollerate empty arguments when using ,
QVERIFY_EXCEPTION_THROWN(RPCConsole::RPCExecuteCommandLine(result, "rpcNestedTest(abc,,)"), std::runtime_error); //don't tollerate empty arguments when using ,
#endif
delete pcoinsTip; delete pcoinsTip;
delete pcoinsdbview; delete pcoinsdbview;
delete pblocktree; delete pblocktree;