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-rw-r--r--src/httprpc.cpp56
-rw-r--r--src/init.cpp1
2 files changed, 56 insertions, 1 deletions
diff --git a/src/httprpc.cpp b/src/httprpc.cpp
index 98ac750bb1..2920aa26f7 100644
--- a/src/httprpc.cpp
+++ b/src/httprpc.cpp
@@ -10,8 +10,12 @@
#include "util.h"
#include "utilstrencodings.h"
#include "ui_interface.h"
+#include "crypto/hmac_sha256.h"
+#include <stdio.h>
+#include "utilstrencodings.h"
#include <boost/algorithm/string.hpp> // boost::trim
+#include <boost/foreach.hpp> //BOOST_FOREACH
/** Simple one-shot callback timer to be used by the RPC mechanism to e.g.
* re-lock the wellet.
@@ -72,6 +76,50 @@ static void JSONErrorReply(HTTPRequest* req, const UniValue& objError, const Uni
req->WriteReply(nStatus, strReply);
}
+//This function checks username and password against -rpcauth
+//entries from config file.
+static bool multiUserAuthorized(std::string strUserPass)
+{
+ if (strUserPass.find(":") == std::string::npos) {
+ return false;
+ }
+ std::string strUser = strUserPass.substr(0, strUserPass.find(":"));
+ std::string strPass = strUserPass.substr(strUserPass.find(":") + 1);
+
+ if (mapMultiArgs.count("-rpcauth") > 0) {
+ //Search for multi-user login/pass "rpcauth" from config
+ BOOST_FOREACH(std::string strRPCAuth, mapMultiArgs["-rpcauth"])
+ {
+ std::vector<std::string> vFields;
+ boost::split(vFields, strRPCAuth, boost::is_any_of(":$"));
+ if (vFields.size() != 3) {
+ //Incorrect formatting in config file
+ continue;
+ }
+
+ std::string strName = vFields[0];
+ if (!TimingResistantEqual(strName, strUser)) {
+ continue;
+ }
+
+ std::string strSalt = vFields[1];
+ std::string strHash = vFields[2];
+
+ unsigned int KEY_SIZE = 32;
+ unsigned char *out = new unsigned char[KEY_SIZE];
+
+ CHMAC_SHA256(reinterpret_cast<const unsigned char*>(strSalt.c_str()), strSalt.size()).Write(reinterpret_cast<const unsigned char*>(strPass.c_str()), strPass.size()).Finalize(out);
+ std::vector<unsigned char> hexvec(out, out+KEY_SIZE);
+ std::string strHashFromPass = HexStr(hexvec);
+
+ if (TimingResistantEqual(strHashFromPass, strHash)) {
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
static bool RPCAuthorized(const std::string& strAuth)
{
if (strRPCUserColonPass.empty()) // Belt-and-suspenders measure if InitRPCAuthentication was not called
@@ -81,7 +129,12 @@ static bool RPCAuthorized(const std::string& strAuth)
std::string strUserPass64 = strAuth.substr(6);
boost::trim(strUserPass64);
std::string strUserPass = DecodeBase64(strUserPass64);
- return TimingResistantEqual(strUserPass, strRPCUserColonPass);
+
+ //Check if authorized under single-user field
+ if (TimingResistantEqual(strUserPass, strRPCUserColonPass)) {
+ return true;
+ }
+ return multiUserAuthorized(strUserPass);
}
static bool HTTPReq_JSONRPC(HTTPRequest* req, const std::string &)
@@ -157,6 +210,7 @@ static bool InitRPCAuthentication()
return false;
}
} else {
+ LogPrintf("Config options rpcuser and rpcpassword will soon be deprecated. Locally-run instances may remove rpcuser to use cookie-based auth, or may be replaced with rpcauth. Please see share/rpcuser for rpcauth auth generation.");
strRPCUserColonPass = mapArgs["-rpcuser"] + ":" + mapArgs["-rpcpassword"];
}
return true;
diff --git a/src/init.cpp b/src/init.cpp
index 01c7189675..3fd60abfc2 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -491,6 +491,7 @@ std::string HelpMessage(HelpMessageMode mode)
strUsage += HelpMessageOpt("-rpcbind=<addr>", _("Bind to given address to listen for JSON-RPC connections. Use [host]:port notation for IPv6. This option can be specified multiple times (default: bind to all interfaces)"));
strUsage += HelpMessageOpt("-rpcuser=<user>", _("Username for JSON-RPC connections"));
strUsage += HelpMessageOpt("-rpcpassword=<pw>", _("Password for JSON-RPC connections"));
+ strUsage += HelpMessageOpt("-rpcauth=<userpw>", _("Username and hashed password for JSON-RPC connections. The field <userpw> comes in the format: <USERNAME>:<SALT>$<HASH>. A canonical python script is included in share/rpcuser. This option can be specified multiple times"));
strUsage += HelpMessageOpt("-rpcport=<port>", strprintf(_("Listen for JSON-RPC connections on <port> (default: %u or testnet: %u)"), 8332, 18332));
strUsage += HelpMessageOpt("-rpcallowip=<ip>", _("Allow JSON-RPC connections from specified source. Valid for <ip> are a single IP (e.g. 1.2.3.4), a network/netmask (e.g. 1.2.3.4/255.255.255.0) or a network/CIDR (e.g. 1.2.3.4/24). This option can be specified multiple times"));
strUsage += HelpMessageOpt("-rpcthreads=<n>", strprintf(_("Set the number of threads to service RPC calls (default: %d)"), DEFAULT_HTTP_THREADS));