Added admins manipulation interface.

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

diff --git a/stglibs/srvconf.lib/netunit.cpp b/stglibs/srvconf.lib/netunit.cpp
index 9a653d5bf5e76621be46b3b6367a1463dccdf771..9955d2e5e3e16cb9304fd341d6df352f5a9a5535 100644 (file)
--- a/stglibs/srvconf.lib/netunit.cpp
+++ b/stglibs/srvconf.lib/netunit.cpp
@@ -25,15 +25,33 @@
  */
 
 //---------------------------------------------------------------------------
  */
 
 //---------------------------------------------------------------------------

+
+#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 <netdb.h>
 #include <arpa/inet.h>
 #include <unistd.h>
 

-#include <cstdio>
-#include <cstring>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>

 
 

-#include "stg/netunit.h"
-#include "stg/common.h"
+using namespace STG;
+
+namespace
+{
+
+const std::string::size_type MAX_XML_CHUNK_LENGTH = 2048;
+
+}

 
 //---------------------------------------------------------------------------
 
 
 //---------------------------------------------------------------------------
 


@@ -51,43 +69,20 @@
 #define RECV_HEADER_ANSWER_ERROR    "Recv header answer error!"
 
 //---------------------------------------------------------------------------
 #define RECV_HEADER_ANSWER_ERROR    "Recv header answer error!"
 
 //---------------------------------------------------------------------------

-NETTRANSACT::NETTRANSACT()
-    : port(0),
+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)
 {
 }
       outerSocket(-1),
       RxCallBack(NULL),
       dataRxCallBack(NULL)
 {
 }

-//-----------------------------------------------------------------------------
-void NETTRANSACT::EnDecryptInit(const char * passwd, int, BLOWFISH_CTX *ctx)
-{
-unsigned char * keyL = NULL;
-
-keyL = new unsigned char[PASSWD_LEN];
-
-memset(keyL, 0, PASSWD_LEN);
-
-strncpy((char *)keyL, passwd, PASSWD_LEN);
-
-Blowfish_Init(ctx, keyL, PASSWD_LEN);
-
-delete[] keyL;
-}
-//-----------------------------------------------------------------------------
-void NETTRANSACT::Encrypt(char * d, const char * s, BLOWFISH_CTX *ctx)
-{
-EncodeString(d, s, ctx);
-}
-//---------------------------------------------------------------------------
-void NETTRANSACT::Decrypt(char * d, const char * s, BLOWFISH_CTX *ctx)
-{
-DecodeString(d, s, ctx);
-}

 //---------------------------------------------------------------------------
 int NETTRANSACT::Connect()
 {
 //---------------------------------------------------------------------------
 int NETTRANSACT::Connect()
 {

-int ret;
-

 outerSocket = socket(PF_INET, SOCK_STREAM, 0);
 if (outerSocket < 0)
     {
 outerSocket = socket(PF_INET, SOCK_STREAM, 0);
 if (outerSocket < 0)
     {


@@ -98,36 +93,33 @@ if (outerSocket < 0)
 struct sockaddr_in outerAddr;
 memset(&outerAddr, 0, sizeof(outerAddr));
 
 struct sockaddr_in outerAddr;
 memset(&outerAddr, 0, sizeof(outerAddr));
 

-struct hostent he;
-struct hostent * phe;
-
-unsigned long ip;
-ip = inet_addr(server.c_str());
+unsigned long ip = inet_addr(server.c_str());

 
 if (ip == INADDR_NONE)
     {
 
 if (ip == INADDR_NONE)
     {

-    phe = gethostbyname(server.c_str());
+    struct hostent * phe = gethostbyname(server.c_str());

     if (phe == NULL)
         {
         errorMsg = "DNS error.\nCan not reslove " + server;
         return st_dns_err;
         }
 
     if (phe == NULL)
         {
         errorMsg = "DNS error.\nCan not reslove " + server;
         return st_dns_err;
         }
 

+    struct hostent he;

     memcpy(&he, phe, sizeof(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;
 
 outerAddr.sin_family = AF_INET;
 outerAddr.sin_port = htons(port);
 outerAddr.sin_addr.s_addr = ip;
 

-ret = connect(outerSocket, (struct sockaddr*)&outerAddr, sizeof(outerAddr));
-
-if (ret < 0)
+if (connect(outerSocket, (struct sockaddr *)&outerAddr, sizeof(outerAddr)) < 0)

     {
     errorMsg = CONNECT_FAILED;
     close(outerSocket);
     return st_conn_fail;
     }
     {
     errorMsg = CONNECT_FAILED;
     close(outerSocket);
     return st_conn_fail;
     }

+

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


@@ -193,9 +185,7 @@ return st_ok;
 //---------------------------------------------------------------------------
 int NETTRANSACT::TxHeader()
 {
 //---------------------------------------------------------------------------
 int NETTRANSACT::TxHeader()
 {

-int ret;
-ret = send(outerSocket, STG_HEADER, strlen(STG_HEADER), 0);
-if (ret <= 0)
+if (send(outerSocket, STG_HEADER, strlen(STG_HEADER), 0) <= 0)

     {
     errorMsg = SEND_HEADER_ERROR;
     return st_send_fail;
     {
     errorMsg = SEND_HEADER_ERROR;
     return st_send_fail;


@@ -206,12 +196,11 @@ return st_ok;
 //---------------------------------------------------------------------------
 int NETTRANSACT::RxHeaderAnswer()
 {
 //---------------------------------------------------------------------------
 int NETTRANSACT::RxHeaderAnswer()
 {

-char buffer[sizeof(STG_HEADER)+1];
-int ret;
+char buffer[sizeof(STG_HEADER) + 1];

 
 

-ret = recv(outerSocket, buffer, strlen(OK_HEADER), 0);
-if (ret <= 0)
+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;
     }
     errorMsg = RECV_HEADER_ANSWER_ERROR;
     return st_recv_fail;
     }


@@ -238,13 +227,10 @@ else
 int NETTRANSACT::TxLogin()
 {
 char loginZ[ADM_LOGIN_LEN];
 int NETTRANSACT::TxLogin()
 {
 char loginZ[ADM_LOGIN_LEN];

-int ret;
-

 memset(loginZ, 0, ADM_LOGIN_LEN);
 strncpy(loginZ, login.c_str(), ADM_LOGIN_LEN);
 memset(loginZ, 0, ADM_LOGIN_LEN);
 strncpy(loginZ, login.c_str(), ADM_LOGIN_LEN);

-ret = send(outerSocket, loginZ, ADM_LOGIN_LEN, 0);

 
 

-if (ret <= 0)
+if (send(outerSocket, loginZ, ADM_LOGIN_LEN, 0) <= 0)

     {
     errorMsg = SEND_LOGIN_ERROR;
     return st_send_fail;
     {
     errorMsg = SEND_LOGIN_ERROR;
     return st_send_fail;


@@ -255,12 +241,11 @@ return st_ok;
 //---------------------------------------------------------------------------
 int NETTRANSACT::RxLoginAnswer()
 {
 //---------------------------------------------------------------------------
 int NETTRANSACT::RxLoginAnswer()
 {

-char buffer[sizeof(OK_LOGIN)+1];
-int ret;
+char buffer[sizeof(OK_LOGIN) + 1];

 
 

-ret = recv(outerSocket, buffer, strlen(OK_LOGIN), 0);
-if (ret <= 0)
+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;
     }
     errorMsg = RECV_LOGIN_ANSWER_ERROR;
     return st_recv_fail;
     }


@@ -287,20 +272,17 @@ else
 int NETTRANSACT::TxLoginS()
 {
 char loginZ[ADM_LOGIN_LEN];
 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;
 memset(loginZ, 0, ADM_LOGIN_LEN);
 strncpy(loginZ, login.c_str(), ADM_LOGIN_LEN);
 
 BLOWFISH_CTX ctx;

-EnDecryptInit(password.c_str(), PASSWD_LEN, &ctx);
+EnDecodeInit(password.c_str(), PASSWD_LEN, &ctx);

 
 for (int j = 0; j < ADM_LOGIN_LEN / ENC_MSG_LEN; j++)
     {
 
 for (int j = 0; j < ADM_LOGIN_LEN / ENC_MSG_LEN; j++)
     {

-    Encrypt(ct, loginZ + j*ENC_MSG_LEN, &ctx);
-    ret = send(outerSocket, ct, ENC_MSG_LEN, 0);
-    if (ret <= 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;


@@ -312,12 +294,11 @@ return st_ok;
 //---------------------------------------------------------------------------
 int NETTRANSACT::RxLoginSAnswer()
 {
 //---------------------------------------------------------------------------
 int NETTRANSACT::RxLoginSAnswer()
 {

-char buffer[sizeof(OK_LOGINS)+1];
-int ret;
+char buffer[sizeof(OK_LOGINS) + 1];

 
 

-ret = recv(outerSocket, buffer, strlen(OK_LOGINS), 0);
-if (ret <= 0)
+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;
     }
     errorMsg = RECV_LOGIN_ANSWER_ERROR;
     return st_recv_fail;
     }


@@ -343,23 +324,20 @@ else
 //---------------------------------------------------------------------------
 int NETTRANSACT::TxData(const char * text)
 {
 //---------------------------------------------------------------------------
 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;
 int n = strlen(text) / ENC_MSG_LEN;
 int r = strlen(text) % ENC_MSG_LEN;
 
 BLOWFISH_CTX ctx;

-EnDecryptInit(password.c_str(), PASSWD_LEN, &ctx);
+EnDecodeInit(password.c_str(), PASSWD_LEN, &ctx);

 
 

-for (j = 0; j < n; j++)
+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);
-    Encrypt(ct, textZ, &ctx);
-    ret = send(outerSocket, ct, ENC_MSG_LEN, 0);
-    if (ret <= 0)
+    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;
         {
         errorMsg = SEND_DATA_ERROR;
         return st_send_fail;


@@ -367,14 +345,14 @@ for (j = 0; j < n; j++)
     }
 
 memset(textZ, 0, ENC_MSG_LEN);
     }
 
 memset(textZ, 0, ENC_MSG_LEN);

+

 if (r)
 if (r)

-    strncpy(textZ, text + j*ENC_MSG_LEN, ENC_MSG_LEN);
+    strncpy(textZ, text + n * ENC_MSG_LEN, ENC_MSG_LEN);

 
 

-EnDecryptInit(password.c_str(), PASSWD_LEN, &ctx);
+EnDecodeInit(password.c_str(), PASSWD_LEN, &ctx);

 
 

-Encrypt(ct, textZ, &ctx);
-ret = send(outerSocket, ct, ENC_MSG_LEN, 0);
-if (ret <= 0)
+EncodeString(ct, textZ, &ctx);
+if (send(outerSocket, ct, ENC_MSG_LEN, 0) <= 0)

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


@@ -385,25 +363,25 @@ return st_ok;
 //---------------------------------------------------------------------------
 int NETTRANSACT::TxData(char * data)
 {
 //---------------------------------------------------------------------------
 int NETTRANSACT::TxData(char * data)
 {

-char buff[ENC_MSG_LEN];
-char buffS[ENC_MSG_LEN];

 char passwd[ADM_PASSWD_LEN];
 char passwd[ADM_PASSWD_LEN];

-

 memset(passwd, 0, ADM_PASSWD_LEN);
 strncpy(passwd, password.c_str(), 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);
 
 memset(buff, 0, ENC_MSG_LEN);
 

-int l = strlen(data)/ENC_MSG_LEN;
-if (strlen(data)%ENC_MSG_LEN)
+int l = strlen(data) / ENC_MSG_LEN;
+if (strlen(data) % ENC_MSG_LEN)

     l++;
 
 BLOWFISH_CTX ctx;
     l++;
 
 BLOWFISH_CTX ctx;

-EnDecryptInit(passwd, PASSWD_LEN, &ctx);
+EnDecodeInit(passwd, PASSWD_LEN, &ctx);

 
 for (int j = 0; j < l; j++)
     {
 
 for (int j = 0; j < l; j++)
     {

-    strncpy(buff, &data[j*ENC_MSG_LEN], ENC_MSG_LEN);
-    Encrypt(buffS, buff, &ctx);
+    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);
     }
 
     send(outerSocket, buffS, ENC_MSG_LEN, 0);
     }
 


@@ -412,81 +390,54 @@ return 0;
 //---------------------------------------------------------------------------
 int NETTRANSACT::RxDataAnswer()
 {
 //---------------------------------------------------------------------------
 int NETTRANSACT::RxDataAnswer()
 {

-int n = 0;
-int ret;
-char bufferS[ENC_MSG_LEN];
-char buffer[ENC_MSG_LEN + 1];
-

 BLOWFISH_CTX ctx;
 BLOWFISH_CTX ctx;

-EnDecryptInit(password.c_str(), PASSWD_LEN, &ctx);
+EnDecodeInit(password.c_str(), PASSWD_LEN, &ctx);

 
 

-while (1)
+std::string chunk;
+while (true)

     {
     {

-    ret = recv(outerSocket, &bufferS[n++], 1, 0);
-    if (ret <= 0)
+    char bufferS[ENC_MSG_LEN];
+    size_t toRead = ENC_MSG_LEN;
+    while (toRead > 0)

         {
         {

-        close(outerSocket);
-        errorMsg = RECV_DATA_ANSWER_ERROR;
-        return st_recv_fail;
+        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;

         }
 
         }
 

-    if (n == ENC_MSG_LEN)
-        {
-        n = 0;
-        Decrypt(buffer, bufferS, &ctx);
-        buffer[ENC_MSG_LEN] = 0;
+    char buffer[ENC_MSG_LEN];
+    DecodeString(buffer, bufferS, &ctx);

 
 

-        answerList.push_back(buffer);
+    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;

 
 

-        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 (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::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;
 }
 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();
-}
-//---------------------------------------------------------------------------