* Author : Boris Mikhailenko <stg34@stargazer.dp.ua>
*/
-#include "netunit.h"
-
-#include "stg/servconf_types.h"
-#include "stg/common.h"
-#include "stg/blowfish.h"
-
-#include <algorithm> // std::min
-
-#include <cstdio>
-#include <cerrno>
-#include <cstring>
+ /*
+ $Revision: 1.6 $
+ $Date: 2009/02/06 10:25:54 $
+ $Author: faust $
+ */
+//---------------------------------------------------------------------------
#include <netdb.h>
#include <arpa/inet.h>
#include <unistd.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-
-using namespace STG;
-
-namespace
-{
-
-const std::string::size_type MAX_XML_CHUNK_LENGTH = 2048;
+#include <cstdio>
+#include <cstring>
-}
+#include "stg/netunit.h"
+#include "stg/common.h"
//---------------------------------------------------------------------------
#define RECV_DATA_ANSWER_ERROR "Recv data answer error!"
#define UNKNOWN_ERROR "Unknown error!"
#define CONNECT_FAILED "Connect failed!"
-#define BIND_FAILED "Bind failed!"
#define INCORRECT_LOGIN "Incorrect login!"
#define INCORRECT_HEADER "Incorrect header!"
#define SEND_LOGIN_ERROR "Send login error!"
#define RECV_HEADER_ANSWER_ERROR "Recv header answer error!"
//---------------------------------------------------------------------------
-NETTRANSACT::NETTRANSACT(const std::string & s, uint16_t p,
- const std::string & l, const std::string & pwd)
- : server(s),
- port(p),
- login(l),
- password(pwd),
- outerSocket(-1)
-{
-}
-//---------------------------------------------------------------------------
-NETTRANSACT::NETTRANSACT(const std::string & s, uint16_t p,
- const std::string & la, uint16_t lp,
- const std::string & l, const std::string & pwd)
- : server(s),
- port(p),
- localAddress(la),
- localPort(lp),
- login(l),
- password(pwd),
- outerSocket(-1)
+NETTRANSACT::NETTRANSACT()
+ : port(0),
+ outerSocket(-1),
+ RxCallBack(NULL),
+ dataRxCallBack(NULL)
{
}
//---------------------------------------------------------------------------
int NETTRANSACT::Connect()
{
+int ret;
+
outerSocket = socket(PF_INET, SOCK_STREAM, 0);
if (outerSocket < 0)
{
return st_conn_fail;
}
-if (!localAddress.empty())
- {
- if (localPort == 0)
- localPort = port;
-
- unsigned long ip = inet_addr(localAddress.c_str());
-
- if (ip == INADDR_NONE)
- {
- struct hostent * phe = gethostbyname(localAddress.c_str());
- if (phe == NULL)
- {
- errorMsg = "DNS error.\nCan not reslove " + localAddress;
- return st_dns_err;
- }
-
- struct hostent he;
- memcpy(&he, phe, sizeof(he));
- ip = *((long *)he.h_addr_list[0]);
- }
-
- struct sockaddr_in localAddr;
- memset(&localAddr, 0, sizeof(localAddr));
- localAddr.sin_family = AF_INET;
- localAddr.sin_port = htons(localPort);
- localAddr.sin_addr.s_addr = ip;
-
- if (bind(outerSocket, (struct sockaddr *)&localAddr, sizeof(localAddr)) < 0)
- {
- errorMsg = BIND_FAILED;
- close(outerSocket);
- return st_conn_fail;
- }
- }
-
struct sockaddr_in outerAddr;
memset(&outerAddr, 0, sizeof(outerAddr));
-unsigned long ip = inet_addr(server.c_str());
+struct hostent he;
+struct hostent * phe;
+
+unsigned long ip;
+ip = inet_addr(server.c_str());
if (ip == INADDR_NONE)
{
- struct hostent * phe = gethostbyname(server.c_str());
+ phe = gethostbyname(server.c_str());
if (phe == NULL)
{
errorMsg = "DNS error.\nCan not reslove " + server;
return st_dns_err;
}
- struct hostent he;
memcpy(&he, phe, sizeof(he));
- ip = *((long *)he.h_addr_list[0]);
+ ip = *((long*)he.h_addr_list[0]);
}
-
outerAddr.sin_family = AF_INET;
outerAddr.sin_port = htons(port);
outerAddr.sin_addr.s_addr = ip;
-if (connect(outerSocket, (struct sockaddr *)&outerAddr, sizeof(outerAddr)) < 0)
+ret = connect(outerSocket, (struct sockaddr*)&outerAddr, sizeof(outerAddr));
+
+if (ret < 0)
{
errorMsg = CONNECT_FAILED;
close(outerSocket);
return st_conn_fail;
}
-
return st_ok;
}
//---------------------------------------------------------------------------
-void NETTRANSACT::Disconnect()
+int NETTRANSACT::Disconnect()
{
close(outerSocket);
+return 0;
}
//---------------------------------------------------------------------------
-int NETTRANSACT::Transact(const std::string & request, CALLBACK callback, void * data)
+int NETTRANSACT::Transact(const char * data)
{
int ret;
if ((ret = TxHeader()) != st_ok)
return ret;
}
-if ((ret = TxData(request)) != st_ok)
+if ((ret = TxData(data)) != st_ok)
{
Disconnect();
return ret;
}
-if ((ret = RxDataAnswer(callback, data)) != st_ok)
+if ((ret = RxDataAnswer()) != st_ok)
{
Disconnect();
return ret;
//---------------------------------------------------------------------------
int NETTRANSACT::TxHeader()
{
-if (send(outerSocket, STG_HEADER, strlen(STG_HEADER), 0) <= 0)
+int ret;
+ret = send(outerSocket, STG_HEADER, strlen(STG_HEADER), 0);
+if (ret <= 0)
{
errorMsg = SEND_HEADER_ERROR;
return st_send_fail;
//---------------------------------------------------------------------------
int NETTRANSACT::RxHeaderAnswer()
{
-char buffer[sizeof(STG_HEADER) + 1];
+char buffer[sizeof(STG_HEADER)+1];
+int ret;
-if (recv(outerSocket, buffer, strlen(OK_HEADER), 0) <= 0)
+ret = recv(outerSocket, buffer, strlen(OK_HEADER), 0);
+if (ret <= 0)
{
- printf("Receive header answer error: '%s'\n", strerror(errno));
errorMsg = RECV_HEADER_ANSWER_ERROR;
return st_recv_fail;
}
int NETTRANSACT::TxLogin()
{
char loginZ[ADM_LOGIN_LEN];
+int ret;
+
memset(loginZ, 0, ADM_LOGIN_LEN);
strncpy(loginZ, login.c_str(), ADM_LOGIN_LEN);
+ret = send(outerSocket, loginZ, ADM_LOGIN_LEN, 0);
-if (send(outerSocket, loginZ, ADM_LOGIN_LEN, 0) <= 0)
+if (ret <= 0)
{
errorMsg = SEND_LOGIN_ERROR;
return st_send_fail;
//---------------------------------------------------------------------------
int NETTRANSACT::RxLoginAnswer()
{
-char buffer[sizeof(OK_LOGIN) + 1];
+char buffer[sizeof(OK_LOGIN)+1];
+int ret;
-if (recv(outerSocket, buffer, strlen(OK_LOGIN), 0) <= 0)
+ret = recv(outerSocket, buffer, strlen(OK_LOGIN), 0);
+if (ret <= 0)
{
- printf("Receive login answer error: '%s'\n", strerror(errno));
errorMsg = RECV_LOGIN_ANSWER_ERROR;
return st_recv_fail;
}
int NETTRANSACT::TxLoginS()
{
char loginZ[ADM_LOGIN_LEN];
-memset(loginZ, 0, ADM_LOGIN_LEN);
-strncpy(loginZ, login.c_str(), ADM_LOGIN_LEN);
+memset(loginZ, 0, ADM_LOGIN_LEN);
BLOWFISH_CTX ctx;
-EnDecodeInit(password.c_str(), PASSWD_LEN, &ctx);
-
-for (int j = 0; j < ADM_LOGIN_LEN / ENC_MSG_LEN; j++)
+InitContext(password.c_str(), PASSWD_LEN, &ctx);
+EncryptString(loginZ, login.c_str(), std::min<int>(login.length() + 1, ADM_LOGIN_LEN), &ctx);
+if (send(outerSocket, loginZ, ADM_LOGIN_LEN, 0) <= 0)
{
- char ct[ENC_MSG_LEN];
- EncodeString(ct, loginZ + j * ENC_MSG_LEN, &ctx);
- if (send(outerSocket, ct, ENC_MSG_LEN, 0) <= 0)
- {
- errorMsg = SEND_LOGIN_ERROR;
- return st_send_fail;
- }
+ errorMsg = SEND_LOGIN_ERROR;
+ return st_send_fail;
}
-
return st_ok;
}
//---------------------------------------------------------------------------
int NETTRANSACT::RxLoginSAnswer()
{
-char buffer[sizeof(OK_LOGINS) + 1];
+char buffer[sizeof(OK_LOGINS)+1];
+int ret;
-if (recv(outerSocket, buffer, strlen(OK_LOGINS), 0) <= 0)
+ret = recv(outerSocket, buffer, strlen(OK_LOGINS), 0);
+if (ret <= 0)
{
- printf("Receive secret login answer error: '%s'\n", strerror(errno));
errorMsg = RECV_LOGIN_ANSWER_ERROR;
return st_recv_fail;
}
}
}
//---------------------------------------------------------------------------
-int NETTRANSACT::TxData(const std::string & text)
+int NETTRANSACT::TxData(const char * text)
{
BLOWFISH_CTX ctx;
-EnDecodeInit(password.c_str(), PASSWD_LEN, &ctx);
-
-size_t pos = 0;
-while (pos < text.size())
+InitContext(password.c_str(), PASSWD_LEN, &ctx);
+size_t length = strlen(text);
+char buffer[length + 9];
+memset(buffer, 0, sizeof(buffer));
+EncryptString(buffer, text, length + 1, &ctx);
+if (send(outerSocket, buffer, sizeof(buffer), 0) <= 0)
{
- char textZ[ENC_MSG_LEN];
- if (text.size() - pos < ENC_MSG_LEN)
- memset(textZ, 0, ENC_MSG_LEN);
- strncpy(textZ, text.c_str() + pos, std::min(ENC_MSG_LEN, (int)(text.size() - pos)));
- char ct[ENC_MSG_LEN];
- EncodeString(ct, textZ, &ctx);
- if (send(outerSocket, ct, ENC_MSG_LEN, 0) <= 0)
- {
- errorMsg = SEND_DATA_ERROR;
- return st_send_fail;
- }
- pos += ENC_MSG_LEN;
+ errorMsg = SEND_DATA_ERROR;
+ return st_send_fail;
}
-
return st_ok;
}
//---------------------------------------------------------------------------
-int NETTRANSACT::RxDataAnswer(CALLBACK callback, void * data)
+int NETTRANSACT::RxDataAnswer()
{
+int n = 0;
+int ret;
+char bufferS[ENC_MSG_LEN];
+char buffer[ENC_MSG_LEN + 1];
+
BLOWFISH_CTX ctx;
-EnDecodeInit(password.c_str(), PASSWD_LEN, &ctx);
+InitContext(password.c_str(), PASSWD_LEN, &ctx);
-std::string chunk;
-while (true)
+while (1)
{
- char bufferS[ENC_MSG_LEN];
- size_t toRead = ENC_MSG_LEN;
- while (toRead > 0)
+ ret = recv(outerSocket, &bufferS[n++], 1, 0);
+ if (ret <= 0)
{
- int ret = recv(outerSocket, &bufferS[ENC_MSG_LEN - toRead], toRead, 0);
- if (ret <= 0)
- {
- printf("Receive data error: '%s'\n", strerror(errno));
- close(outerSocket);
- errorMsg = RECV_DATA_ANSWER_ERROR;
- return st_recv_fail;
- }
- toRead -= ret;
+ close(outerSocket);
+ errorMsg = RECV_DATA_ANSWER_ERROR;
+ return st_recv_fail;
}
- char buffer[ENC_MSG_LEN];
- DecodeString(buffer, bufferS, &ctx);
-
- bool final = false;
- size_t pos = 0;
- for (; pos < ENC_MSG_LEN && buffer[pos] != 0; pos++) ;
- if (pos < ENC_MSG_LEN && buffer[pos] == 0)
- final = true;
+ if (n == ENC_MSG_LEN)
+ {
+ n = 0;
+ DecryptBlock(buffer, bufferS, &ctx);
+ buffer[ENC_MSG_LEN] = 0;
- if (pos > 0)
- chunk.append(&buffer[0], &buffer[pos]);
+ answerList.push_back(buffer);
- if (chunk.length() > MAX_XML_CHUNK_LENGTH || final)
- {
- if (callback)
- if (!callback(chunk, final, data))
- return st_xml_parse_error;
- chunk.clear();
+ for (int j = 0; j < ENC_MSG_LEN; j++)
+ {
+ if (buffer[j] == 0)
+ {
+ if (RxCallBack)
+ if (st_ok != RxCallBack(dataRxCallBack, &answerList))
+ {
+ return st_xml_parse_error;
+ }
+ return st_ok;
+ }
+ }
}
-
- if (final)
- return st_ok;
}
}
+//---------------------------------------------------------------------------
+void NETTRANSACT::SetLogin(const char * l)
+{
+login = l;
+}
+//---------------------------------------------------------------------------
+void NETTRANSACT::SetPassword(const char * p)
+{
+password = p;
+}
+//---------------------------------------------------------------------------
+void NETTRANSACT::SetServer(const char * serverName)
+{
+server = serverName;
+}
+//---------------------------------------------------------------------------
+void NETTRANSACT::SetServerPort(short unsigned p)
+{
+port = p;
+}
+//---------------------------------------------------------------------------
+void NETTRANSACT::SetRxCallback(void * data, RxCallback_t cb)
+{
+RxCallBack = cb;
+dataRxCallBack = data;
+}
+//---------------------------------------------------------------------------
+const std::string & NETTRANSACT::GetError() const
+{
+return errorMsg;
+}
+//---------------------------------------------------------------------------
+void NETTRANSACT::Reset()
+{
+answerList.clear();
+}
+//---------------------------------------------------------------------------
git.stg.codes / stg.git / blobdiff