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-rw-r--r--src/qt/rpcconsole.cpp229
1 files changed, 160 insertions, 69 deletions
diff --git a/src/qt/rpcconsole.cpp b/src/qt/rpcconsole.cpp
index bcaa9164c9..0456b89da2 100644
--- a/src/qt/rpcconsole.cpp
+++ b/src/qt/rpcconsole.cpp
@@ -113,9 +113,11 @@ public:
#include "rpcconsole.moc"
/**
- * Split shell command line into a list of arguments. Aims to emulate \c bash and friends.
+ * Split shell command line into a list of arguments and execute the command(s).
+ * Aims to emulate \c bash and friends.
*
- * - Arguments are delimited with whitespace
+ * - Command nesting is possible with brackets [example: validateaddress(getnewaddress())]
+ * - Arguments are delimited with whitespace or comma
* - Extra whitespace at the beginning and end and between arguments will be ignored
* - Text can be "double" or 'single' quoted
* - The backslash \c \ is used as escape character
@@ -123,11 +125,15 @@ public:
* - Within double quotes, only escape \c " and backslashes before a \c " or another backslash
* - Within single quotes, no escaping is possible and no special interpretation takes place
*
- * @param[out] args Parsed arguments will be appended to this list
+ * @param[out] result stringified Result from the executed command(chain)
* @param[in] strCommand Command line to split
*/
-bool parseCommandLine(std::vector<std::string> &args, const std::string &strCommand)
+
+bool RPCConsole::RPCExecuteCommandLine(std::string &strResult, const std::string &strCommand)
{
+ std::vector< std::vector<std::string> > stack;
+ stack.push_back(std::vector<std::string>());
+
enum CmdParseState
{
STATE_EATING_SPACES,
@@ -135,95 +141,180 @@ bool parseCommandLine(std::vector<std::string> &args, const std::string &strComm
STATE_SINGLEQUOTED,
STATE_DOUBLEQUOTED,
STATE_ESCAPE_OUTER,
- STATE_ESCAPE_DOUBLEQUOTED
+ STATE_ESCAPE_DOUBLEQUOTED,
+ STATE_COMMAND_EXECUTED,
+ STATE_COMMAND_EXECUTED_INNER
} state = STATE_EATING_SPACES;
std::string curarg;
- Q_FOREACH(char ch, strCommand)
+ UniValue lastResult;
+
+ std::string strCommandTerminated = strCommand;
+ if (strCommandTerminated.back() != '\n')
+ strCommandTerminated += "\n";
+ for(char ch: strCommandTerminated)
{
switch(state)
{
- case STATE_ARGUMENT: // In or after argument
- case STATE_EATING_SPACES: // Handle runs of whitespace
- switch(ch)
+ case STATE_COMMAND_EXECUTED_INNER:
+ case STATE_COMMAND_EXECUTED:
{
- case '"': state = STATE_DOUBLEQUOTED; break;
- case '\'': state = STATE_SINGLEQUOTED; break;
- case '\\': state = STATE_ESCAPE_OUTER; break;
- case ' ': case '\n': case '\t':
- if(state == STATE_ARGUMENT) // Space ends argument
+ bool breakParsing = true;
+ switch(ch)
{
- args.push_back(curarg);
- curarg.clear();
+ case '[': curarg.clear(); state = STATE_COMMAND_EXECUTED_INNER; break;
+ default:
+ if (state == STATE_COMMAND_EXECUTED_INNER)
+ {
+ if (ch != ']')
+ {
+ // append char to the current argument (which is also used for the query command)
+ curarg += ch;
+ break;
+ }
+ if (curarg.size())
+ {
+ // if we have a value query, query arrays with index and objects with a string key
+ UniValue subelement;
+ if (lastResult.isArray())
+ {
+ for(char argch: curarg)
+ if (!std::isdigit(argch))
+ throw std::runtime_error("Invalid result query");
+ subelement = lastResult[atoi(curarg.c_str())];
+ }
+ else if (lastResult.isObject())
+ subelement = find_value(lastResult, curarg);
+ else
+ throw std::runtime_error("Invalid result query"); //no array or object: abort
+ lastResult = subelement;
+ }
+
+ state = STATE_COMMAND_EXECUTED;
+ break;
+ }
+ // don't break parsing when the char is required for the next argument
+ breakParsing = false;
+
+ // pop the stack and return the result to the current command arguments
+ stack.pop_back();
+
+ // don't stringify the json in case of a string to avoid doublequotes
+ if (lastResult.isStr())
+ curarg = lastResult.get_str();
+ else
+ curarg = lastResult.write(2);
+
+ // if we have a non empty result, use it as stack argument otherwise as general result
+ if (curarg.size())
+ {
+ if (stack.size())
+ stack.back().push_back(curarg);
+ else
+ strResult = curarg;
+ }
+ curarg.clear();
+ // assume eating space state
+ state = STATE_EATING_SPACES;
}
- state = STATE_EATING_SPACES;
- break;
- default: curarg += ch; state = STATE_ARGUMENT;
+ if (breakParsing)
+ break;
}
- break;
- case STATE_SINGLEQUOTED: // Single-quoted string
- switch(ch)
+ case STATE_ARGUMENT: // In or after argument
+ case STATE_EATING_SPACES: // Handle runs of whitespace
+ switch(ch)
{
- case '\'': state = STATE_ARGUMENT; break;
- default: curarg += ch;
+ case '"': state = STATE_DOUBLEQUOTED; break;
+ case '\'': state = STATE_SINGLEQUOTED; break;
+ case '\\': state = STATE_ESCAPE_OUTER; break;
+ case '(': case ')': case '\n':
+ if (state == STATE_ARGUMENT)
+ {
+ if (ch == '(' && stack.size() && stack.back().size() > 0)
+ stack.push_back(std::vector<std::string>());
+ if (curarg.size())
+ {
+ // don't allow commands after executed commands on baselevel
+ if (!stack.size())
+ throw std::runtime_error("Invalid Syntax");
+ stack.back().push_back(curarg);
+ }
+ curarg.clear();
+ state = STATE_EATING_SPACES;
+ }
+ if ((ch == ')' || ch == '\n') && stack.size() > 0)
+ {
+ std::string strPrint;
+ // Convert argument list to JSON objects in method-dependent way,
+ // and pass it along with the method name to the dispatcher.
+ lastResult = tableRPC.execute(stack.back()[0], RPCConvertValues(stack.back()[0], std::vector<std::string>(stack.back().begin() + 1, stack.back().end())));
+
+ state = STATE_COMMAND_EXECUTED;
+ curarg.clear();
+ }
+ break;
+ case ' ': case ',': case '\t':
+ if(state == STATE_ARGUMENT) // Space ends argument
+ {
+ if (curarg.size())
+ stack.back().push_back(curarg);
+ curarg.clear();
+ }
+ state = STATE_EATING_SPACES;
+ break;
+ default: curarg += ch; state = STATE_ARGUMENT;
}
- break;
- case STATE_DOUBLEQUOTED: // Double-quoted string
- switch(ch)
+ break;
+ case STATE_SINGLEQUOTED: // Single-quoted string
+ switch(ch)
{
- case '"': state = STATE_ARGUMENT; break;
- case '\\': state = STATE_ESCAPE_DOUBLEQUOTED; break;
- default: curarg += ch;
+ case '\'': state = STATE_ARGUMENT; break;
+ default: curarg += ch;
}
- break;
- case STATE_ESCAPE_OUTER: // '\' outside quotes
- curarg += ch; state = STATE_ARGUMENT;
- break;
- case STATE_ESCAPE_DOUBLEQUOTED: // '\' in double-quoted text
- if(ch != '"' && ch != '\\') curarg += '\\'; // keep '\' for everything but the quote and '\' itself
- curarg += ch; state = STATE_DOUBLEQUOTED;
- break;
+ break;
+ case STATE_DOUBLEQUOTED: // Double-quoted string
+ switch(ch)
+ {
+ case '"': state = STATE_ARGUMENT; break;
+ case '\\': state = STATE_ESCAPE_DOUBLEQUOTED; break;
+ default: curarg += ch;
+ }
+ break;
+ case STATE_ESCAPE_OUTER: // '\' outside quotes
+ curarg += ch; state = STATE_ARGUMENT;
+ break;
+ case STATE_ESCAPE_DOUBLEQUOTED: // '\' in double-quoted text
+ if(ch != '"' && ch != '\\') curarg += '\\'; // keep '\' for everything but the quote and '\' itself
+ curarg += ch; state = STATE_DOUBLEQUOTED;
+ break;
}
}
switch(state) // final state
{
- case STATE_EATING_SPACES:
- return true;
- case STATE_ARGUMENT:
- args.push_back(curarg);
- return true;
- default: // ERROR to end in one of the other states
- return false;
+ case STATE_COMMAND_EXECUTED:
+ if (lastResult.isStr())
+ strResult = lastResult.get_str();
+ else
+ strResult = lastResult.write(2);
+ case STATE_ARGUMENT:
+ case STATE_EATING_SPACES:
+ return true;
+ default: // ERROR to end in one of the other states
+ return false;
}
}
void RPCExecutor::request(const QString &command)
{
- std::vector<std::string> args;
- if(!parseCommandLine(args, command.toStdString()))
- {
- Q_EMIT reply(RPCConsole::CMD_ERROR, QString("Parse error: unbalanced ' or \""));
- return;
- }
- if(args.empty())
- return; // Nothing to do
try
{
- std::string strPrint;
- // Convert argument list to JSON objects in method-dependent way,
- // and pass it along with the method name to the dispatcher.
- UniValue result = tableRPC.execute(
- args[0],
- RPCConvertValues(args[0], std::vector<std::string>(args.begin() + 1, args.end())));
-
- // Format result reply
- if (result.isNull())
- strPrint = "";
- else if (result.isStr())
- strPrint = result.get_str();
- else
- strPrint = result.write(2);
-
- Q_EMIT reply(RPCConsole::CMD_REPLY, QString::fromStdString(strPrint));
+ std::string result;
+ std::string executableCommand = command.toStdString() + "\n";
+ if(!RPCConsole::RPCExecuteCommandLine(result, executableCommand))
+ {
+ Q_EMIT reply(RPCConsole::CMD_ERROR, QString("Parse error: unbalanced ' or \""));
+ return;
+ }
+ Q_EMIT reply(RPCConsole::CMD_REPLY, QString::fromStdString(result));
}
catch (UniValue& objError)
{
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-17 09:33:47 +0000