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;
};
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);
}
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;
}
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;
};
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;
};
