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Remove size limit in RPC client, keep it in server

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The size limit makes a lot of sense for the server, as it never has to
accept very large data.

The client, however, can request arbitrary amounts of data with
`listtransactions` on a large wallet.

Fixes #4604.
This commit is contained in:
Wladimir J. van der Laan 2014-08-06 13:03:58 +02:00
parent e17151ad2a
commit 733177ebd3
4 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/bitcoin-cli.cpp
View File

@ -126,7 +126,7 @@ Object CallRPC(const string& strMethod, const Array& params)
// Receive HTTP reply message headers and body
map<string, string> mapHeaders;
string strReply;
ReadHTTPMessage(stream, mapHeaders, strReply, nProto);
ReadHTTPMessage(stream, mapHeaders, strReply, nProto, std::numeric_limits<size_t>::max());
if (nStatus == HTTP_UNAUTHORIZED)
throw runtime_error("incorrect rpcuser or rpcpassword (authorization failed)");

4
src/rpcprotocol.cpp
View File

@ -201,14 +201,14 @@ int ReadHTTPHeaders(std::basic_istream<char>& stream, map<string, string>& mapHe
int ReadHTTPMessage(std::basic_istream<char>& stream, map<string,
string>& mapHeadersRet, string& strMessageRet,
int nProto)
int nProto, size_t max_size)
{
mapHeadersRet.clear();
strMessageRet = "";
// Read header
int nLen = ReadHTTPHeaders(stream, mapHeadersRet);
if (nLen < 0 || nLen > (int)MAX_SIZE)
if (nLen < 0 || (size_t)nLen > max_size)
return HTTP_INTERNAL_SERVER_ERROR;
// Read message

2
src/rpcprotocol.h
View File

@ -153,7 +153,7 @@ bool ReadHTTPRequestLine(std::basic_istream<char>& stream, int &proto,
int ReadHTTPStatus(std::basic_istream<char>& stream, int &proto);
int ReadHTTPHeaders(std::basic_istream<char>& stream, std::map<std::string, std::string>& mapHeadersRet);
int ReadHTTPMessage(std::basic_istream<char>& stream, std::map<std::string, std::string>& mapHeadersRet,
std::string& strMessageRet, int nProto);
std::string& strMessageRet, int nProto, size_t max_size);
std::string JSONRPCRequest(const std::string& strMethod, const json_spirit::Array& params, const json_spirit::Value& id);
json_spirit::Object JSONRPCReplyObj(const json_spirit::Value& result, const json_spirit::Value& error, const json_spirit::Value& id);
std::string JSONRPCReply(const json_spirit::Value& result, const json_spirit::Value& error, const json_spirit::Value& id);

2
src/rpcserver.cpp
View File

@ -891,7 +891,7 @@ void ServiceConnection(AcceptedConnection *conn)
break;
// Read HTTP message headers and body
ReadHTTPMessage(conn->stream(), mapHeaders, strRequest, nProto);
ReadHTTPMessage(conn->stream(), mapHeaders, strRequest, nProto, MAX_SIZE);
// HTTP Keep-Alive is false; close connection immediately
if (mapHeaders["connection"] == "close")