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make sure strSpamUser is valid before using it to sign message

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This commit is contained in:
Miguel Freitas 2013-11-30 18:34:34 -02:00
parent 74470ebddb
commit d2d64bfed2
1 changed files with 7 additions and 6 deletions
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13
src/main.cpp
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@ -70,7 +70,7 @@ int64 nHPSTimerStart = 0;
int64 nTransactionFee = 0;
string strSpamMessage = "Promoted posts are needed to run the network infrastructure. If you want to help, start generating blocks and advertise. [en]";
string strSpamUser = "nobody"; // [MF] FIXME: authenticy check needed
string strSpamUser = "nobody";
//////////////////////////////////////////////////////////////////////////////
@ -3581,14 +3581,15 @@ static bool CreateSpamMsgTx(CTransaction &txNew, std::vector<unsigned char> &sal
std::string strUsername = strSpamUser;
CKeyID keyID;
if( strSpamUser != "nobody" && !pwalletMain->GetKeyIdFromUsername(strSpamUser, keyID) ) {
if( pwalletMain->vchDefaultKey.IsValid() ) {
keyID = pwalletMain->vchDefaultKey.GetID();
strUsername = pwalletMain->mapKeyMetadata[keyID].username;
} else {
if( strSpamUser != "nobody" ) {
// check both wallet and block chain if they know about this user
uint256 txid = SerializeHash(make_pair(strSpamUser,-1));
if( !pblocktree->HaveTxIndex(txid) ||
!pwalletMain->GetKeyIdFromUsername(strSpamUser, keyID) ) {
strUsername = "nobody";
}
}
printf("CreateSpamMsgTx: keyId = %s\n", keyID.ToString().c_str() );
// compute message hash and sign it