+++ /dev/null
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-/*
- * Author : Boris Mikhailenko <stg34@stargazer.dp.ua>
- */
-
- /*
- $Revision: 1.6 $
- $Date: 2009/02/06 10:25:54 $
- $Author: faust $
- */
-
-//---------------------------------------------------------------------------
-
-#include "netunit.h"
-
-#include "stg/servconf_types.h"
-#include "stg/common.h"
-#include "stg/blowfish.h"
-
-#include <cstdio>
-#include <cerrno>
-#include <cstring>
-
-#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;
-
-}
-
-//---------------------------------------------------------------------------
-
-#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),
- login(l),
- password(pwd),
- outerSocket(-1),
- RxCallBack(NULL),
- dataRxCallBack(NULL)
-{
-}
-//---------------------------------------------------------------------------
-int NETTRANSACT::Connect()
-{
-outerSocket = socket(PF_INET, SOCK_STREAM, 0);
-if (outerSocket < 0)
- {
- errorMsg = CREATE_SOCKET_ERROR;
- return st_conn_fail;
- }
-
-struct sockaddr_in outerAddr;
-memset(&outerAddr, 0, sizeof(outerAddr));
-
-unsigned long ip = inet_addr(server.c_str());
-
-if (ip == INADDR_NONE)
- {
- struct hostent * 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]);
- }
-
-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)
- {
- errorMsg = CONNECT_FAILED;
- close(outerSocket);
- return st_conn_fail;
- }
-
-return st_ok;
-}
-//---------------------------------------------------------------------------
-int NETTRANSACT::Disconnect()
-{
-close(outerSocket);
-return 0;
-}
-//---------------------------------------------------------------------------
-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(data)) != st_ok)
- {
- Disconnect();
- return ret;
- }
-
-if ((ret = RxDataAnswer()) != st_ok)
- {
- Disconnect();
- return ret;
- }
-
-return st_ok;
-}
-//---------------------------------------------------------------------------
-int NETTRANSACT::TxHeader()
-{
-if (send(outerSocket, STG_HEADER, strlen(STG_HEADER), 0) <= 0)
- {
- errorMsg = SEND_HEADER_ERROR;
- return st_send_fail;
- }
-
-return st_ok;
-}
-//---------------------------------------------------------------------------
-int NETTRANSACT::RxHeaderAnswer()
-{
-char buffer[sizeof(STG_HEADER) + 1];
-
-if (recv(outerSocket, buffer, strlen(OK_HEADER), 0) <= 0)
- {
- printf("Receive header answer error: '%s'\n", strerror(errno));
- errorMsg = RECV_HEADER_ANSWER_ERROR;
- return st_recv_fail;
- }
-
-if (strncmp(OK_HEADER, buffer, strlen(OK_HEADER)) == 0)
- {
- return st_ok;
- }
-else
- {
- 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];
-memset(loginZ, 0, ADM_LOGIN_LEN);
-strncpy(loginZ, login.c_str(), ADM_LOGIN_LEN);
-
-if (send(outerSocket, loginZ, ADM_LOGIN_LEN, 0) <= 0)
- {
- errorMsg = SEND_LOGIN_ERROR;
- return st_send_fail;
- }
-
-return st_ok;
-}
-//---------------------------------------------------------------------------
-int NETTRANSACT::RxLoginAnswer()
-{
-char buffer[sizeof(OK_LOGIN) + 1];
-
-if (recv(outerSocket, buffer, strlen(OK_LOGIN), 0) <= 0)
- {
- printf("Receive login answer error: '%s'\n", strerror(errno));
- errorMsg = RECV_LOGIN_ANSWER_ERROR;
- return st_recv_fail;
- }
-
-if (strncmp(OK_LOGIN, buffer, strlen(OK_LOGIN)) == 0)
- {
- return st_ok;
- }
-else
- {
- 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];
-memset(loginZ, 0, ADM_LOGIN_LEN);
-strncpy(loginZ, login.c_str(), 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++)
- {
- 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;
- }
- }
-
-return st_ok;
-}
-//---------------------------------------------------------------------------
-int NETTRANSACT::RxLoginSAnswer()
-{
-char buffer[sizeof(OK_LOGINS) + 1];
-
-if (recv(outerSocket, buffer, strlen(OK_LOGINS), 0) <= 0)
- {
- printf("Receive secret login answer error: '%s'\n", strerror(errno));
- errorMsg = RECV_LOGIN_ANSWER_ERROR;
- return st_recv_fail;
- }
-
-if (strncmp(OK_LOGINS, buffer, strlen(OK_LOGINS)) == 0)
- {
- return st_ok;
- }
-else
- {
- 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 char * text)
-{
-int n = strlen(text) / ENC_MSG_LEN;
-int r = strlen(text) % ENC_MSG_LEN;
-
-BLOWFISH_CTX ctx;
-EnDecodeInit(password.c_str(), PASSWD_LEN, &ctx);
-
-char textZ[ENC_MSG_LEN];
-char ct[ENC_MSG_LEN];
-
-for (int j = 0; j < n; j++)
- {
- strncpy(textZ, text + j * ENC_MSG_LEN, ENC_MSG_LEN);
- EncodeString(ct, textZ, &ctx);
- if (send(outerSocket, ct, ENC_MSG_LEN, 0) <= 0)
- {
- errorMsg = SEND_DATA_ERROR;
- return st_send_fail;
- }
- }
-
-memset(textZ, 0, ENC_MSG_LEN);
-
-if (r)
- strncpy(textZ, text + n * ENC_MSG_LEN, ENC_MSG_LEN);
-
-EnDecodeInit(password.c_str(), PASSWD_LEN, &ctx);
-
-EncodeString(ct, textZ, &ctx);
-if (send(outerSocket, ct, ENC_MSG_LEN, 0) <= 0)
- {
- errorMsg = SEND_DATA_ERROR;
- return st_send_fail;
- }
-
-return st_ok;
-}
-//---------------------------------------------------------------------------
-int NETTRANSACT::TxData(char * data)
-{
-char passwd[ADM_PASSWD_LEN];
-memset(passwd, 0, ADM_PASSWD_LEN);
-strncpy(passwd, password.c_str(), ADM_PASSWD_LEN);
-
-char buff[ENC_MSG_LEN];
-memset(buff, 0, ENC_MSG_LEN);
-
-int l = strlen(data) / ENC_MSG_LEN;
-if (strlen(data) % ENC_MSG_LEN)
- l++;
-
-BLOWFISH_CTX ctx;
-EnDecodeInit(passwd, PASSWD_LEN, &ctx);
-
-for (int j = 0; j < l; j++)
- {
- strncpy(buff, &data[j * ENC_MSG_LEN], ENC_MSG_LEN);
- char buffS[ENC_MSG_LEN];
- EncodeString(buffS, buff, &ctx);
- send(outerSocket, buffS, ENC_MSG_LEN, 0);
- }
-
-return 0;
-}
-//---------------------------------------------------------------------------
-int NETTRANSACT::RxDataAnswer()
-{
-BLOWFISH_CTX ctx;
-EnDecodeInit(password.c_str(), PASSWD_LEN, &ctx);
-
-std::string chunk;
-while (true)
- {
- char bufferS[ENC_MSG_LEN];
- size_t toRead = ENC_MSG_LEN;
- while (toRead > 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;
- }
-
- 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 (pos > 0)
- chunk.append(&buffer[0], &buffer[pos]);
-
- if (chunk.length() > MAX_XML_CHUNK_LENGTH || final)
- {
- if (RxCallBack != NULL)
- if (!RxCallBack(dataRxCallBack, chunk, final))
- return st_xml_parse_error;
- chunk.clear();
- }
-
- if (final)
- return st_ok;
- }
-}
-//---------------------------------------------------------------------------
-void NETTRANSACT::SetRxCallback(void * data, RxCallback_t cb)
-{
-RxCallBack = cb;
-dataRxCallBack = data;
-}
git.stg.codes / stg.git / blobdiff