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Merge pull request #4640

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733177e Remove size limit in RPC client, keep it in server (Wladimir J. van der Laan)
e17151a Avoid a copy in RPC output (Wladimir J. van der Laan)
This commit is contained in:
Wladimir J. van der Laan 2014-08-07 10:39:19 +02:00
commit 0b588168ab
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GPG Key ID: 74810B012346C9A6
4 changed files with 23 additions and 14 deletions
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2
src/bitcoin-cli.cpp
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@ -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)");

27
src/rpcprotocol.cpp
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@ -93,8 +93,7 @@ string HTTPError(int nStatus, bool keepalive, bool headersOnly)
headersOnly, "text/plain");
}
string HTTPReply(int nStatus, const string& strMsg, bool keepalive,
bool headersOnly, const char *contentType)
string HTTPReplyHeader(int nStatus, bool keepalive, size_t contentLength, const char *contentType)
{
return strprintf(
"HTTP/1.1 %d %s\r\n"
@ -103,17 +102,25 @@ string HTTPReply(int nStatus, const string& strMsg, bool keepalive,
"Content-Length: %u\r\n"
"Content-Type: %s\r\n"
"Server: bitcoin-json-rpc/%s\r\n"
"\r\n"
"%s",
"\r\n",
nStatus,
httpStatusDescription(nStatus),
rfc1123Time(),
keepalive ? "keep-alive" : "close",
(headersOnly ? 0 : strMsg.size()),
contentLength,
contentType,
FormatFullVersion(),
(headersOnly ? "" : strMsg.c_str())
);
FormatFullVersion());
}
string HTTPReply(int nStatus, const string& strMsg, bool keepalive,
bool headersOnly, const char *contentType)
{
if (headersOnly)
{
return HTTPReplyHeader(nStatus, keepalive, 0, contentType);
} else {
return HTTPReplyHeader(nStatus, keepalive, strMsg.size(), contentType) + strMsg;
}
}
bool ReadHTTPRequestLine(std::basic_istream<char>& stream, int &proto,
@ -194,14 +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

4
src/rpcprotocol.h
View File

@ -143,6 +143,8 @@ private:
std::string HTTPPost(const std::string& strMsg, const std::map<std::string,std::string>& mapRequestHeaders);
std::string HTTPError(int nStatus, bool keepalive,
bool headerOnly = false);
std::string HTTPReplyHeader(int nStatus, bool keepalive, size_t contentLength,
const char *contentType = "application/json");
std::string HTTPReply(int nStatus, const std::string& strMsg, bool keepalive,
bool headerOnly = false,
const char *contentType = "application/json");
@ -151,7 +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);

4
src/rpcserver.cpp
View File

@ -862,7 +862,7 @@ static bool HTTPReq_JSONRPC(AcceptedConnection *conn,
else
throw JSONRPCError(RPC_PARSE_ERROR, "Top-level object parse error");
conn->stream() << HTTPReply(HTTP_OK, strReply, fRun) << std::flush;
conn->stream() << HTTPReplyHeader(HTTP_OK, fRun, strReply.size()) << strReply << std::flush;
}
catch (Object& objError)
{
@ -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")