1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
|
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2013 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "util.h"
#include "init.h"
#include "rpcclient.h"
#include "rpcprotocol.h"
#include "chainparamsbase.h"
#include "version.h"
#include <boost/filesystem/operations.hpp>
#define _(x) std::string(x) /* Keep the _() around in case gettext or such will be used later to translate non-UI */
using namespace std;
using namespace boost;
using namespace boost::asio;
using namespace json_spirit;
std::string HelpMessageCli()
{
string strUsage;
strUsage += _("Options:") + "\n";
strUsage += " -? " + _("This help message") + "\n";
strUsage += " -conf=<file> " + _("Specify configuration file (default: bitcoin.conf)") + "\n";
strUsage += " -datadir=<dir> " + _("Specify data directory") + "\n";
strUsage += " -testnet " + _("Use the test network") + "\n";
strUsage += " -regtest " + _("Enter regression test mode, which uses a special chain in which blocks can be "
"solved instantly. This is intended for regression testing tools and app development.") + "\n";
strUsage += " -rpcconnect=<ip> " + _("Send commands to node running on <ip> (default: 127.0.0.1)") + "\n";
strUsage += " -rpcport=<port> " + _("Connect to JSON-RPC on <port> (default: 8332 or testnet: 18332)") + "\n";
strUsage += " -rpcwait " + _("Wait for RPC server to start") + "\n";
strUsage += " -rpcuser=<user> " + _("Username for JSON-RPC connections") + "\n";
strUsage += " -rpcpassword=<pw> " + _("Password for JSON-RPC connections") + "\n";
strUsage += "\n" + _("SSL options: (see the Bitcoin Wiki for SSL setup instructions)") + "\n";
strUsage += " -rpcssl " + _("Use OpenSSL (https) for JSON-RPC connections") + "\n";
return strUsage;
}
//////////////////////////////////////////////////////////////////////////////
//
// Start
//
static bool AppInitRPC(int argc, char* argv[])
{
//
// Parameters
//
ParseParameters(argc, argv);
if (!boost::filesystem::is_directory(GetDataDir(false))) {
fprintf(stderr, "Error: Specified data directory \"%s\" does not exist.\n", mapArgs["-datadir"].c_str());
return false;
}
try {
ReadConfigFile(mapArgs, mapMultiArgs);
} catch(std::exception &e) {
fprintf(stderr,"Error reading configuration file: %s\n", e.what());
return false;
}
// Check for -testnet or -regtest parameter (BaseParams() calls are only valid after this clause)
if (!SelectBaseParamsFromCommandLine()) {
fprintf(stderr, "Error: Invalid combination of -regtest and -testnet.\n");
return false;
}
if (argc<2 || mapArgs.count("-?") || mapArgs.count("-help") || mapArgs.count("-version")) {
std::string strUsage = _("Bitcoin Core RPC client version") + " " + FormatFullVersion() + "\n";
if (!mapArgs.count("-version")) {
strUsage += "\n" + _("Usage:") + "\n" +
" bitcoin-cli [options] <command> [params] " + _("Send command to Bitcoin Core") + "\n" +
" bitcoin-cli [options] help " + _("List commands") + "\n" +
" bitcoin-cli [options] help <command> " + _("Get help for a command") + "\n";
strUsage += "\n" + HelpMessageCli();
}
fprintf(stdout, "%s", strUsage.c_str());
return false;
}
return true;
}
Object CallRPC(const string& strMethod, const Array& params)
{
if (mapArgs["-rpcuser"] == "" && mapArgs["-rpcpassword"] == "")
throw runtime_error(strprintf(
_("You must set rpcpassword=<password> in the configuration file:\n%s\n"
"If the file does not exist, create it with owner-readable-only file permissions."),
GetConfigFile().string().c_str()));
// Connect to localhost
bool fUseSSL = GetBoolArg("-rpcssl", false);
asio::io_service io_service;
ssl::context context(io_service, ssl::context::sslv23);
context.set_options(ssl::context::no_sslv2);
asio::ssl::stream<asio::ip::tcp::socket> sslStream(io_service, context);
SSLIOStreamDevice<asio::ip::tcp> d(sslStream, fUseSSL);
iostreams::stream< SSLIOStreamDevice<asio::ip::tcp> > stream(d);
bool fWait = GetBoolArg("-rpcwait", false); // -rpcwait means try until server has started
do {
bool fConnected = d.connect(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", itostr(BaseParams().RPCPort())));
if (fConnected) break;
if (fWait)
MilliSleep(1000);
else
throw runtime_error("couldn't connect to server");
} while (fWait);
// HTTP basic authentication
string strUserPass64 = EncodeBase64(mapArgs["-rpcuser"] + ":" + mapArgs["-rpcpassword"]);
map<string, string> mapRequestHeaders;
mapRequestHeaders["Authorization"] = string("Basic ") + strUserPass64;
// Send request
string strRequest = JSONRPCRequest(strMethod, params, 1);
string strPost = HTTPPost(strRequest, mapRequestHeaders);
stream << strPost << std::flush;
// Receive HTTP reply status
int nProto = 0;
int nStatus = ReadHTTPStatus(stream, nProto);
// Receive HTTP reply message headers and body
map<string, string> mapHeaders;
string strReply;
ReadHTTPMessage(stream, mapHeaders, strReply, nProto, std::numeric_limits<size_t>::max());
if (nStatus == HTTP_UNAUTHORIZED)
throw runtime_error("incorrect rpcuser or rpcpassword (authorization failed)");
else if (nStatus >= 400 && nStatus != HTTP_BAD_REQUEST && nStatus != HTTP_NOT_FOUND && nStatus != HTTP_INTERNAL_SERVER_ERROR)
throw runtime_error(strprintf("server returned HTTP error %d", nStatus));
else if (strReply.empty())
throw runtime_error("no response from server");
// Parse reply
Value valReply;
if (!read_string(strReply, valReply))
throw runtime_error("couldn't parse reply from server");
const Object& reply = valReply.get_obj();
if (reply.empty())
throw runtime_error("expected reply to have result, error and id properties");
return reply;
}
int CommandLineRPC(int argc, char *argv[])
{
string strPrint;
int nRet = 0;
try {
// Skip switches
while (argc > 1 && IsSwitchChar(argv[1][0])) {
argc--;
argv++;
}
// Method
if (argc < 2)
throw runtime_error("too few parameters");
string strMethod = argv[1];
// Parameters default to strings
std::vector<std::string> strParams(&argv[2], &argv[argc]);
Array params = RPCConvertValues(strMethod, strParams);
// Execute
Object reply = CallRPC(strMethod, params);
// Parse reply
const Value& result = find_value(reply, "result");
const Value& error = find_value(reply, "error");
if (error.type() != null_type) {
// Error
strPrint = "error: " + write_string(error, false);
int code = find_value(error.get_obj(), "code").get_int();
nRet = abs(code);
} else {
// Result
if (result.type() == null_type)
strPrint = "";
else if (result.type() == str_type)
strPrint = result.get_str();
else
strPrint = write_string(result, true);
}
}
catch (boost::thread_interrupted) {
throw;
}
catch (std::exception& e) {
strPrint = string("error: ") + e.what();
nRet = EXIT_FAILURE;
}
catch (...) {
PrintExceptionContinue(NULL, "CommandLineRPC()");
throw;
}
if (strPrint != "") {
fprintf((nRet == 0 ? stdout : stderr), "%s\n", strPrint.c_str());
}
return nRet;
}
int main(int argc, char* argv[])
{
SetupEnvironment();
try {
if(!AppInitRPC(argc, argv))
return EXIT_FAILURE;
}
catch (std::exception& e) {
PrintExceptionContinue(&e, "AppInitRPC()");
return EXIT_FAILURE;
} catch (...) {
PrintExceptionContinue(NULL, "AppInitRPC()");
return EXIT_FAILURE;
}
int ret = EXIT_FAILURE;
try {
ret = CommandLineRPC(argc, argv);
}
catch (std::exception& e) {
PrintExceptionContinue(&e, "CommandLineRPC()");
} catch (...) {
PrintExceptionContinue(NULL, "CommandLineRPC()");
}
return ret;
}
|
