* Author : Boris Mikhailenko <stg34@stargazer.dp.ua>
*/
-#include "netunit.h"
-
-#include "stg/servconf_types.h"
-#include "stg/common.h"
-#include "stg/blowfish.h"
-#include "stg/bfstream.h"
-
-#include <algorithm> // std::min
-
-#include <cerrno>
-#include <cstring>
-#include <cassert>
+ /*
+ $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>
-
-const char STG_HEADER[] = "SG04";
-const char OK_HEADER[] = "OKHD";
-const char ERR_HEADER[] = "ERHD";
-const char OK_LOGIN[] = "OKLG";
-const char ERR_LOGIN[] = "ERLG";
-const char OK_LOGINS[] = "OKLS";
-const char ERR_LOGINS[] = "ERLS";
-
-using namespace STG;
-
-namespace
-{
-
-struct ReadState
-{
- bool final;
- NETTRANSACT::CALLBACK callback;
- void * callbackData;
- NETTRANSACT * nt;
-};
+#include <cstdio>
+#include <cstring>
-}
+#include "stg/netunit.h"
+#include "stg/common.h"
//---------------------------------------------------------------------------
-const char SEND_DATA_ERROR[] = "Error sending data.";
-const char RECV_DATA_ANSWER_ERROR[] = "Error receiving data answer.";
-const char UNKNOWN_ERROR[] = "Unknown error";
-const char CONNECT_FAILED[] = "Failed to connect.";
-const char BIND_FAILED[] = "Failed to bind.";
-const char INCORRECT_LOGIN[] = "Incorrect login.";
-const char INCORRECT_HEADER[] = "Incorrect header.";
-const char SEND_LOGIN_ERROR[] = "Error sending login.";
-const char RECV_LOGIN_ANSWER_ERROR[] = "Error receiving login answer.";
-const char CREATE_SOCKET_ERROR[] = "Failed to create socket.";
-const char SEND_HEADER_ERROR[] = "Error sending header.";
-const char RECV_HEADER_ANSWER_ERROR[] = "Error receiving header answer.";
+#define SEND_DATA_ERROR "Send data error!"
+#define RECV_DATA_ANSWER_ERROR "Recv data answer error!"
+#define UNKNOWN_ERROR "Unknown error!"
+#define CONNECT_FAILED "Connect failed!"
+#define INCORRECT_LOGIN "Incorrect login!"
+#define INCORRECT_HEADER "Incorrect header!"
+#define SEND_LOGIN_ERROR "Send login error!"
+#define RECV_LOGIN_ANSWER_ERROR "Recv login answer error!"
+#define CREATE_SOCKET_ERROR "Create socket failed!"
+#define WSASTARTUP_FAILED "WSAStartup failed!"
+#define SEND_HEADER_ERROR "Send header 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),
- localPort(0),
- login(l),
- password(pwd),
- sock(-1)
+NETTRANSACT::NETTRANSACT()
+ : port(0),
+ outerSocket(-1),
+ RxCallBack(NULL),
+ dataRxCallBack(NULL)
{
}
//---------------------------------------------------------------------------
-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),
- sock(-1)
-{
-}
-//---------------------------------------------------------------------------
-NETTRANSACT::~NETTRANSACT()
-{
-Disconnect();
-}
-//---------------------------------------------------------------------------
int NETTRANSACT::Connect()
{
-sock = socket(PF_INET, SOCK_STREAM, 0);
-if (sock < 0)
+int ret;
+
+outerSocket = socket(PF_INET, SOCK_STREAM, 0);
+if (outerSocket < 0)
{
errorMsg = CREATE_SOCKET_ERROR;
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 = "Can 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(sock, (struct sockaddr *)&localAddr, sizeof(localAddr)) < 0)
- {
- errorMsg = BIND_FAILED;
- 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 = "Can not reslove '" + server + "'";
+ 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(sock, (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()
{
-if (sock != -1)
- {
- shutdown(sock, SHUT_RDWR);
- close(sock);
- sock = -1;
- }
+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)
+ {
+ Disconnect();
return ret;
+ }
if ((ret = RxHeaderAnswer()) != st_ok)
+ {
+ Disconnect();
return ret;
+ }
if ((ret = TxLogin()) != st_ok)
+ {
+ Disconnect();
return ret;
+ }
if ((ret = RxLoginAnswer()) != st_ok)
+ {
+ Disconnect();
return ret;
+ }
if ((ret = TxLoginS()) != st_ok)
+ {
+ Disconnect();
return ret;
+ }
if ((ret = RxLoginSAnswer()) != st_ok)
+ {
+ Disconnect();
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;
+ }
return st_ok;
}
//---------------------------------------------------------------------------
int NETTRANSACT::TxHeader()
{
-if (!WriteAll(sock, STG_HEADER, strlen(STG_HEADER)))
+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 (!ReadAll(sock, buffer, strlen(OK_HEADER)))
+ret = recv(outerSocket, buffer, strlen(OK_HEADER), 0);
+if (ret <= 0)
{
errorMsg = RECV_HEADER_ANSWER_ERROR;
return st_recv_fail;
}
if (strncmp(OK_HEADER, buffer, strlen(OK_HEADER)) == 0)
- return st_ok;
-
-if (strncmp(ERR_HEADER, buffer, strlen(ERR_HEADER)) == 0)
{
- errorMsg = INCORRECT_HEADER;
- return st_header_err;
+ return st_ok;
}
else
{
- errorMsg = UNKNOWN_ERROR;
- return st_unknown_err;
+ if (strncmp(ERR_HEADER, buffer, strlen(ERR_HEADER)) == 0)
+ {
+ errorMsg = INCORRECT_HEADER;
+ return st_header_err;
+ }
+ else
+ {
+ errorMsg = UNKNOWN_ERROR;
+ return st_unknown_err;
+ }
}
}
//---------------------------------------------------------------------------
int NETTRANSACT::TxLogin()
{
-char loginZ[ADM_LOGIN_LEN + 1];
-memset(loginZ, 0, ADM_LOGIN_LEN + 1);
+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 (!WriteAll(sock, loginZ, ADM_LOGIN_LEN))
+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 (!ReadAll(sock, buffer, strlen(OK_LOGIN)))
+ret = recv(outerSocket, buffer, strlen(OK_LOGIN), 0);
+if (ret <= 0)
{
errorMsg = RECV_LOGIN_ANSWER_ERROR;
return st_recv_fail;
}
if (strncmp(OK_LOGIN, buffer, strlen(OK_LOGIN)) == 0)
- return st_ok;
-
-if (strncmp(ERR_LOGIN, buffer, strlen(ERR_LOGIN)) == 0)
{
- errorMsg = INCORRECT_LOGIN;
- return st_login_err;
+ return st_ok;
}
else
{
- errorMsg = UNKNOWN_ERROR;
- return st_unknown_err;
+ if (strncmp(ERR_LOGIN, buffer, strlen(ERR_LOGIN)) == 0)
+ {
+ errorMsg = INCORRECT_LOGIN;
+ return st_login_err;
+ }
+ else
+ {
+ errorMsg = UNKNOWN_ERROR;
+ return st_unknown_err;
+ }
}
}
//---------------------------------------------------------------------------
int NETTRANSACT::TxLoginS()
{
-char loginZ[ADM_LOGIN_LEN + 1];
-memset(loginZ, 0, ADM_LOGIN_LEN + 1);
+char loginZ[ADM_LOGIN_LEN];
+memset(loginZ, 0, ADM_LOGIN_LEN);
BLOWFISH_CTX ctx;
InitContext(password.c_str(), PASSWD_LEN, &ctx);
-EncryptString(loginZ, login.c_str(), std::min<size_t>(login.length() + 1, ADM_LOGIN_LEN), &ctx);
-if (!WriteAll(sock, loginZ, ADM_LOGIN_LEN))
+EncryptString(loginZ, login.c_str(), std::min<int>(login.length() + 1, ADM_LOGIN_LEN), &ctx);
+if (send(outerSocket, loginZ, ADM_LOGIN_LEN, 0) <= 0)
{
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 (!ReadAll(sock, buffer, strlen(OK_LOGINS)))
+ret = recv(outerSocket, buffer, strlen(OK_LOGINS), 0);
+if (ret <= 0)
{
errorMsg = RECV_LOGIN_ANSWER_ERROR;
return st_recv_fail;
}
if (strncmp(OK_LOGINS, buffer, strlen(OK_LOGINS)) == 0)
- return st_ok;
-
-if (strncmp(ERR_LOGINS, buffer, strlen(ERR_LOGINS)) == 0)
{
- errorMsg = INCORRECT_LOGIN;
- return st_logins_err;
+ return st_ok;
}
else
{
- errorMsg = UNKNOWN_ERROR;
- return st_unknown_err;
+ if (strncmp(ERR_LOGINS, buffer, strlen(ERR_LOGINS)) == 0)
+ {
+ errorMsg = INCORRECT_LOGIN;
+ return st_logins_err;
+ }
+ else
+ {
+ errorMsg = UNKNOWN_ERROR;
+ return st_unknown_err;
+ }
}
}
//---------------------------------------------------------------------------
-int NETTRANSACT::TxData(const std::string & text)
+int NETTRANSACT::TxData(const char * text)
{
-STG::ENCRYPT_STREAM stream(password, TxCrypto, this);
-stream.Put(text.c_str(), text.length() + 1, true);
-if (!stream.IsOk())
+BLOWFISH_CTX ctx;
+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)
{
errorMsg = SEND_DATA_ERROR;
return st_send_fail;
}
-
return st_ok;
}
//---------------------------------------------------------------------------
-int NETTRANSACT::RxDataAnswer(CALLBACK callback, void * data)
+int NETTRANSACT::RxDataAnswer()
{
-ReadState state = {false, callback, data, this};
-STG::DECRYPT_STREAM stream(password, RxCrypto, &state);
-while (!state.final)
+int n = 0;
+int ret;
+char bufferS[ENC_MSG_LEN];
+char buffer[ENC_MSG_LEN + 1];
+
+BLOWFISH_CTX ctx;
+InitContext(password.c_str(), PASSWD_LEN, &ctx);
+
+while (1)
{
- char buffer[1024];
- ssize_t res = read(sock, buffer, sizeof(buffer));
- if (res < 0)
+ ret = recv(outerSocket, &bufferS[n++], 1, 0);
+ if (ret <= 0)
{
+ close(outerSocket);
errorMsg = RECV_DATA_ANSWER_ERROR;
return st_recv_fail;
}
- stream.Put(buffer, res, res == 0);
- if (!stream.IsOk())
- return st_xml_parse_error;
- }
-return st_ok;
+ if (n == ENC_MSG_LEN)
+ {
+ n = 0;
+ DecryptBlock(buffer, bufferS, &ctx);
+ buffer[ENC_MSG_LEN] = 0;
+
+ answerList.push_back(buffer);
+
+ 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;
+ }
+ }
+ }
+ }
}
//---------------------------------------------------------------------------
-bool NETTRANSACT::TxCrypto(const void * block, size_t size, void * data)
+void NETTRANSACT::SetLogin(const char * l)
{
-assert(data != NULL);
-NETTRANSACT & nt = *static_cast<NETTRANSACT *>(data);
-if (!WriteAll(nt.sock, block, size))
- return false;
-return true;
+login = l;
}
//---------------------------------------------------------------------------
-bool NETTRANSACT::RxCrypto(const void * block, size_t size, void * data)
+void NETTRANSACT::SetPassword(const char * p)
{
-assert(data != NULL);
-ReadState & state = *static_cast<ReadState *>(data);
-
-const char * buffer = static_cast<const char *>(block);
-for (size_t pos = 0; pos < size; ++pos)
- if (buffer[pos] == 0)
- {
- state.final = true;
- size = pos; // Adjust string size
- }
-
-if (state.callback)
- if (!state.callback(std::string(buffer, size), state.final, state.callbackData))
- return false;
-
-return true;
+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