Some minor changes in bf stream.

[stg.git] / stglibs / srvconf.lib / netunit.cpp

diff --git a/stglibs/srvconf.lib/netunit.cpp b/stglibs/srvconf.lib/netunit.cpp
index 9955d2e5e3e16cb9304fd341d6df352f5a9a5535..f6fcf500c71b1e738ada80ed43ebfbbb19e73541 100644 (file)
--- a/stglibs/srvconf.lib/netunit.cpp
+++ b/stglibs/srvconf.lib/netunit.cpp
@@ -18,20 +18,14 @@
  *    Author : Boris Mikhailenko <stg34@stargazer.dp.ua>
  */
 
  *    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 "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>
 #include <cstdio>
 #include <cerrno>
 #include <cstring>


@@ -59,6 +53,7 @@ const std::string::size_type MAX_XML_CHUNK_LENGTH = 2048;
 #define RECV_DATA_ANSWER_ERROR      "Recv data answer error!"
 #define UNKNOWN_ERROR               "Unknown error!"
 #define CONNECT_FAILED              "Connect failed!"
 #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 INCORRECT_LOGIN             "Incorrect login!"
 #define INCORRECT_HEADER            "Incorrect header!"
 #define SEND_LOGIN_ERROR            "Send login error!"


@@ -73,11 +68,23 @@ NETTRANSACT::NETTRANSACT(const std::string & s, uint16_t p,
                          const std::string & l, const std::string & pwd)
     : server(s),
       port(p),
                          const std::string & l, const std::string & pwd)
     : server(s),
       port(p),

+      localPort(0),
+      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),
       login(l),
       password(pwd),

-      outerSocket(-1),
-      RxCallBack(NULL),
-      dataRxCallBack(NULL)
+      outerSocket(-1)

 {
 }
 //---------------------------------------------------------------------------
 {
 }
 //---------------------------------------------------------------------------


@@ -90,6 +97,41 @@ if (outerSocket < 0)
     return st_conn_fail;
     }
 
     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));
 
 struct sockaddr_in outerAddr;
 memset(&outerAddr, 0, sizeof(outerAddr));
 


@@ -123,13 +165,12 @@ if (connect(outerSocket, (struct sockaddr *)&outerAddr, sizeof(outerAddr)) < 0)
 return st_ok;
 }
 //---------------------------------------------------------------------------
 return st_ok;
 }
 //---------------------------------------------------------------------------

-int NETTRANSACT::Disconnect()
+void NETTRANSACT::Disconnect()

 {
 close(outerSocket);
 {
 close(outerSocket);

-return 0;

 }
 //---------------------------------------------------------------------------
 }
 //---------------------------------------------------------------------------

-int NETTRANSACT::Transact(const char * data)
+int NETTRANSACT::Transact(const std::string & request, CALLBACK callback, void * data)

 {
 int ret;
 if ((ret = TxHeader()) != st_ok)
 {
 int ret;
 if ((ret = TxHeader()) != st_ok)


@@ -168,13 +209,13 @@ if ((ret = RxLoginSAnswer()) != st_ok)
     return ret;
     }
 
     return ret;
     }
 

-if ((ret = TxData(data)) != st_ok)
+if ((ret = TxData(request)) != st_ok)

     {
     Disconnect();
     return ret;
     }
 
     {
     Disconnect();
     return ret;
     }
 

-if ((ret = RxDataAnswer()) != st_ok)
+if ((ret = RxDataAnswer(callback, data)) != st_ok)

     {
     Disconnect();
     return ret;
     {
     Disconnect();
     return ret;


@@ -273,22 +314,14 @@ int NETTRANSACT::TxLoginS()
 {
 char loginZ[ADM_LOGIN_LEN];
 memset(loginZ, 0, ADM_LOGIN_LEN);
 {
 char loginZ[ADM_LOGIN_LEN];
 memset(loginZ, 0, ADM_LOGIN_LEN);

-strncpy(loginZ, login.c_str(), ADM_LOGIN_LEN);
-

 BLOWFISH_CTX ctx;
 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(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;
 }
 //---------------------------------------------------------------------------
 return st_ok;
 }
 //---------------------------------------------------------------------------


@@ -322,76 +355,24 @@ else
     }
 }
 //---------------------------------------------------------------------------
     }
 }
 //---------------------------------------------------------------------------

-int NETTRANSACT::TxData(const char * text)
+int NETTRANSACT::TxData(const std::string & text)

 {
 {

-int n = strlen(text) / ENC_MSG_LEN;
-int r = strlen(text) % ENC_MSG_LEN;
-

 BLOWFISH_CTX ctx;
 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)
+InitContext(password.c_str(), PASSWD_LEN, &ctx);
+char buffer[text.length() + 9];
+EncryptString(buffer, text.c_str(), text.length() + 1, &ctx);
+if (send(outerSocket, buffer, sizeof(buffer), 0) <= 0)

     {
     errorMsg = SEND_DATA_ERROR;
     return st_send_fail;
     }
     {
     errorMsg = SEND_DATA_ERROR;
     return st_send_fail;
     }

-

 return st_ok;
 }
 //---------------------------------------------------------------------------
 return st_ok;
 }
 //---------------------------------------------------------------------------

-int NETTRANSACT::TxData(char * data)
+int NETTRANSACT::RxDataAnswer(CALLBACK callback, void * 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;
 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);
+InitContext(password.c_str(), PASSWD_LEN, &ctx);

 
 std::string chunk;
 while (true)
 
 std::string chunk;
 while (true)


@@ -412,7 +393,7 @@ while (true)
         }
 
     char buffer[ENC_MSG_LEN];
         }
 
     char buffer[ENC_MSG_LEN];

-    DecodeString(buffer, bufferS, &ctx);
+    DecryptBlock(buffer, bufferS, &ctx);

 
     bool final = false;
     size_t pos = 0;
 
     bool final = false;
     size_t pos = 0;


@@ -425,8 +406,8 @@ while (true)
 
     if (chunk.length() > MAX_XML_CHUNK_LENGTH || final)
         {
 
     if (chunk.length() > MAX_XML_CHUNK_LENGTH || final)
         {

-        if (RxCallBack != NULL)
-            if (!RxCallBack(dataRxCallBack, chunk, final))
+        if (callback)
+            if (!callback(chunk, final, data))

                 return st_xml_parse_error;
         chunk.clear();
         }
                 return st_xml_parse_error;
         chunk.clear();
         }


@@ -435,9 +416,3 @@ while (true)
         return st_ok;
     }
 }
         return st_ok;
     }
 }

-//---------------------------------------------------------------------------
-void NETTRANSACT::SetRxCallback(void * data, RxCallback_t cb)
-{
-RxCallBack = cb;
-dataRxCallBack = data;
-}