Ejemplo n.º 1
0
Ccnx::Name remoteServer::parseMembership(Ccnx::Name name,	 OrganizerSession *oSession,	ParticipantSession *pSession){
    std::string action = name.getCompAsString(4); //action
    std::string consumer = name.getCompAsString(2); //consumer
    Ccnx::Name dataName = name;
    if (action.compare("join") == 0 ||
        action.compare("accept") == 0 ||
        action.compare("reject") == 0){
        dataName.appendComp("code=0");
    }
    std::clog<<"action:  "<<action<<endl;
    if (action.compare("join") == 0){
//     	  std::string consumer = name.getCompAsString(1); //consumer
     	  if (oSession){
              std::clog<<"consumer   "<<consumer<<endl;
    			oSession->recvJoinRemote(consumer);
    		}
    }
    if (action.compare("accept") == 0){
    	if (pSession){
    		pSession->recvAcceptJoinRemote();
    	}
    }
    if (action.compare("reject") == 0){
    	if (pSession){
				pSession->recvRejectJoinRemote();
			}
    }
    return dataName;
};
Ejemplo n.º 2
0
void remoteServer::OnInterest (Ccnx::Name name, Ccnx::Selectors selectors){
    Ccnx::Name dataName;
    clog<<"on interest data name    "<<name<<endl;
    std::string consumer = name.getCompAsString(2); //consumer
    std::string producer = name.getCompAsString(1); //producer
    std::string endPoint = name.getCompAsString(3); //endpoint
    std::string action = name.getCompAsString(4); //action
    std::string prefix = name.getCompAsString(0);
    std::string app;
    std::string session;
    vector <string> app_session;
    boost::split(app_session, prefix,boost::is_any_of("_"));        	
    app = app_session[0];
    session = app_session[1];	
    OrganizerSession *oSession;
    ParticipantSession *pSession;
    Context::instance()->retrieveSession(app, session, &oSession, &pSession);    	
    std::string msg("");
    //resolving name
    if (endPoint.compare("shared-key") == 0){
        dataName = parseSharedKey(name,msg,oSession,pSession);
    }
    if (endPoint.compare("membership") == 0){
        dataName = parseMembership(name,oSession,pSession);
    }
    if (endPoint.compare("public-key") == 0){
        dataName = parsePublicKey(name, msg,oSession,pSession);
    }
    std::clog<<"dataname back to consumer  "<<dataName<<std::endl;
    std::clog<<"sent data msg" <<msg<<std::endl;
    
    handler.publishData (dataName, msg, 5);
}
Ejemplo n.º 3
0
Ccnx::Name remote::getBaseName(Ccnx::Name name)
{
    Ccnx::Name base = Ccnx::Name();
	  for (int i = 0; i <=4 ;i++)
	  {
	  	base.appendComp(name.getCompAsString(i));
	  }
	  return base;
}
Ejemplo n.º 4
0
Ccnx::Name remoteServer::parseSharedKey(Ccnx::Name name, std::string &ret,
	    OrganizerSession *oSession,	ParticipantSession *pSession){
    int flag;

     std::string consumer = name.getCompAsString(2); //consumer
    std::string producer = name.getCompAsString(1); //producer
    std::string endPoint = name.getCompAsString(3); //endpoint
    std::string action = name.getCompAsString(4); //action
    std::string prefix = name.getCompAsString(0); //prefix

    int size = name.size();
    int version = 0;
    int chunkNum = 0;
    int chunkSize = 0;
    Ccnx::Name dataName = name;
    if (action.compare("fetch") == 0){
        std::string lastComponent = name.getCompAsString(size-2);
        if (boost::starts_with(lastComponent,"chunk="))
        {
            flag = 1;  //later packet
        }
        else{
            flag = 0;  //para
        }
        //  
        if (flag == 0){
        	  chunkSize = 0;
        	  chunkNum = 0;        	  
        	  if (oSession)
        	  {
                  oSession->recvFetchSharedKeyRemote(consumer, version, chunkNum,chunkSize, ret);
              }

//encrypt
            vector<std::string> tmp2;
            boost::split(tmp2,prefix,boost::is_any_of("_"));
            std::string app = tmp2[0];
            std::string publicKey[3];
            KeyDB::instance().getKeyFromUser(app,(KeyDB::global), publicKey,consumer);
      //      cout<<"after fetch"<<endl;
            cout<<"key content"<<endl;
            cout<<publicKey[1]<<endl;
            EVP_PKEY *pub_key = KeyDB::instance().str2Key(publicKey[1]);
     //       std::string plain_string = ret;
   //         cout<<"plain "<<plain_string<<endl;
 //           char *plain2 = (char *)(plain_string.c_str());
	//					cout<<pub_key->type<<endl;
	//					cout<<pub_key->pkey.ptr<<endl;
            char plain[128];
            sprintf(plain,"%s",ret.c_str());
//            cout<<"aaaaa"<<endl;
//            cout<<plain<<endl;
//            plain[3]='\0';
//            plain[plain_string.size()] = '\0';
    
      //      cout<<"sadfsf"<<endl;
    /*for test*/
/*            RSA *encrypt_key;
            FILE *rsa_pkey_file;
            rsa_pkey_file = fopen("../db/pub1.pub", "r");
            if (rsa_pkey_file == NULL)
            {
                cout<<"no pointer"<<endl;
            }
            cout<<"before bbbbb"<<endl;
				    if (!PEM_read_RSA_PUBKEY(rsa_pkey_file, &encrypt_key, NULL, NULL))
    				{
        			fprintf(stderr, "Error loading RSA Public Key File.\n");
        			ERR_print_errors_fp(stderr);
    				}
            fclose(rsa_pkey_file);
  */  				/*test end*/
  
  
            RSA *encrypt_key;
        //    EVP_PKEY_set1_RSA(pub_key,encrypt_key);
            encrypt_key = EVP_PKEY_get1_RSA(pub_key);
            int encrypt_len;
            cout<<RSA_size(encrypt_key)<<endl;
            char *encrypt = (char *)malloc(RSA_size(encrypt_key));
//            memset(encrypt,0,RSA_size(encrypt_key));
        //    cout<<"before encrpyt"<<endl;
            if((encrypt_len = RSA_public_encrypt(strlen(plain), (unsigned char*)plain, 
    					(unsigned char*)encrypt, encrypt_key, RSA_PKCS1_OAEP_PADDING)) == -1) {
					        ERR_load_crypto_strings();
    				}
/*            char *encrypt_test = (char *)malloc(RSA_size(encrypt_key));
            //            memset(encrypt,0,RSA_size(encrypt_key));
            cout<<"before encrpyt"<<endl;
            if((encrypt_len = RSA_public_encrypt(strlen(plain), (unsigned char*)plain,
                                                 (unsigned char*)encrypt_test, encrypt_key_test, RSA_PKCS1_OAEP_PADDING)) == -1) {
                ERR_load_crypto_strings();
            }
            cout<<"test   "<<encrypt_test<<endl;
  */
    //        cout<<"encrypt text:"<<endl;
     //       cout<<encrypt<<endl;
            ret = string(encrypt,encrypt_len);
            std::string tmp = "code=0,version=";
            std::string v = boost::lexical_cast <string>(version);
            tmp.append(v);
            tmp.append(",chunk=");
            std::string ch = boost::lexical_cast <string>(chunkSize);
            tmp.append(ch);
            dataName.appendComp(tmp);
        }
        else{
            dataName= name;
            vector<std::string> str1;
            boost::split(str1,lastComponent,boost::is_any_of("="));
            std::string versionComponent = name.getCompAsString(size-3);
            vector<std::string> str2;
            boost::split(str2,versionComponent,boost::is_any_of("="));
            version = atoi(str2[1].c_str());
            chunkNum = atoi(str1[1].c_str());
            if (oSession)
            {
                oSession->recvFetchSharedKeyRemote(consumer, version, chunkNum, chunkSize, ret);
            }
            char *from = (char *)ret.c_str();
            char *to = NULL ;
            //          get public key
            //           do_encrypt(&to, from,key,len);
        }
    }
    else{
        if (boost::starts_with(action,"update")){
            dataName.appendComp("code=0");
            vector<std::string> tmp;
            boost::split(tmp,action,boost::is_any_of("_"));            
            version = atoi(tmp[1].c_str());
            if (pSession)
            {
            	 pSession->recvRenewSharedKeyRemote(version);
            }
//           
//						orgsession->recvRenewSharedKeyRemote(version);
        }
    }
    return dataName;
};
Ejemplo n.º 5
0
Ccnx::Name remoteServer::parsePublicKey(Ccnx::Name name, std::string &ret,
	 OrganizerSession *oSession,	ParticipantSession *pSession){
    int flag;
//    std::string consumer = name.getCompAsString(1); //consumer
//    std::string producer = name.getCompAsString(2); //producer
 //   std::string endPoint = name.getCompAsString(3); //endpoint
  //  std::string action = name.getCompAsString(4); //action
    std::string consumer = name.getCompAsString(2); //consumer
    std::string producer = name.getCompAsString(1); //producer
    std::string endPoint = name.getCompAsString(3); //endpoint
    std::string action = name.getCompAsString(4); //action

    int size = name.size();
    int version = 0;
    int chunkNum = 0;
    int chunkSize = 0;
    Ccnx::Name dataName = name;
    if (action.compare("fetch") == 0){
        std::string lastComponent = name.getCompAsString(size-2);
        if (boost::starts_with(lastComponent,"chunk="))
        {
            flag = 1;
        }
        else{
            flag = 0;  //para
        }
        //  
        if (flag == 0){
        	  chunkSize = 0;
        	  chunkNum = 0;        	  
        	  if (oSession)
        	  {
						  oSession->recvFetchPublicKeyRemote(consumer, version, chunkNum,chunkSize, ret);
            }
            if (pSession)
        	  {
						  pSession->recvFetchPublicKeyRemote(consumer, version, chunkNum,chunkSize, ret);
            }
            std::string tmp = "code=0,version=";
            std::string v = boost::lexical_cast <string>(version);
            tmp.append(v);
            tmp.append(",chunk=");
            std::string ch = boost::lexical_cast <string>(chunkNum);
            tmp.append(ch);
            dataName.appendComp(tmp);
        }
        else{
            dataName= name;
            vector<std::string> str1;
            boost::split(str1,lastComponent,boost::is_any_of("="));
            std::string versionComponent = name.getCompAsString(size-3);
            vector<std::string> str2;
            boost::split(str2,versionComponent,boost::is_any_of("="));
            version = atoi(str2[1].c_str());
            chunkNum = atoi(str1[1].c_str());
            if (oSession)
        	  {
						  oSession->recvFetchPublicKeyRemote(consumer, version, chunkNum,chunkSize, ret);
            }
            if (pSession)
        	  {
						  pSession->recvFetchPublicKeyRemote(consumer, version, chunkNum,chunkSize, ret);
            }
        }
    }
    return dataName;
};