*/
//---------------------------------------------------------------------------
-
-#include "stg/netunit.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>
-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_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),
+NETTRANSACT::NETTRANSACT()
+ : port(0),
outerSocket(-1),
RxCallBack(NULL),
dataRxCallBack(NULL)
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;
}
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];
-char ct[ENC_MSG_LEN];
-int ret;
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++)
+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)
{
- EncodeString(ct, loginZ + j*ENC_MSG_LEN, &ctx);
- ret = send(outerSocket, ct, ENC_MSG_LEN, 0);
- if (ret <= 0)
- {
- errorMsg = SEND_LOGIN_ERROR;
- return st_send_fail;
- }
+ errorMsg = SEND_LOGIN_ERROR;
+ return st_send_fail;
}
-
return st_ok;
}
//---------------------------------------------------------------------------
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 char * text)
{
-char textZ[ENC_MSG_LEN];
-char ct[ENC_MSG_LEN];
-int ret;
-int j;
-
-int n = strlen(text) / ENC_MSG_LEN;
-int r = strlen(text) % ENC_MSG_LEN;
-
BLOWFISH_CTX ctx;
-EnDecodeInit(password.c_str(), PASSWD_LEN, &ctx);
-
-for (j = 0; j < n; j++)
- {
- strncpy(textZ, text + j*ENC_MSG_LEN, ENC_MSG_LEN);
- EncodeString(ct, textZ, &ctx);
- ret = send(outerSocket, ct, ENC_MSG_LEN, 0);
- if (ret <= 0)
- {
- errorMsg = SEND_DATA_ERROR;
- return st_send_fail;
- }
- }
-
-memset(textZ, 0, ENC_MSG_LEN);
-if (r)
- strncpy(textZ, text + j*ENC_MSG_LEN, ENC_MSG_LEN);
-
-EnDecodeInit(password.c_str(), PASSWD_LEN, &ctx);
-
-EncodeString(ct, textZ, &ctx);
-ret = send(outerSocket, ct, ENC_MSG_LEN, 0);
-if (ret <= 0)
+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::TxData(char * data)
-{
-char buff[ENC_MSG_LEN];
-char buffS[ENC_MSG_LEN];
-char passwd[ADM_PASSWD_LEN];
-
-memset(passwd, 0, ADM_PASSWD_LEN);
-strncpy(passwd, password.c_str(), ADM_PASSWD_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);
- EncodeString(buffS, buff, &ctx);
- send(outerSocket, buffS, ENC_MSG_LEN, 0);
- }
-
-return 0;
-}
-//---------------------------------------------------------------------------
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 (RxCallBack != NULL)
- if (!RxCallBack(dataRxCallBack, chunk, final))
- 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;
return errorMsg;
}
//---------------------------------------------------------------------------
+void NETTRANSACT::Reset()
+{
+answerList.clear();
+}
+//---------------------------------------------------------------------------
git.stg.codes / stg.git / blobdiff