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Telnet.h
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Telnet.h
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int Telnet(SOCKET ClientSocket)
{
char recvbuf[1024];
int recvbuflen = 1024;
std::ofstream packets("E:\\Packets", std::ios::binary);
int temp = 0;
char *tempbuf, *username, *password;
int i=0, last=0, loggedin = 0, nameentered = 0;
for(;;)
{
if (i=temp)
{
temp = recv(ClientSocket, recvbuf, recvbuflen, 0);
if (temp > 0)
{
printf("Bytes received: %d\n", temp);
packets.write(recvbuf, temp);
packets << std::endl;
last = 0;
i = 0;
for (i;i<temp;i++)
{
if(recvbuf[i]='\r')
if(recvbuf[i+1]='\n')
{
for(int j=0;j<i-last-1;j++)
tempbuf[j]=recvbuf[i-1];
last = i;
break;
}
}
}
else if (temp == 0)
std::cout << "Connection Closing\n";
else
{
printf("recv failed: %d\n", WSAGetLastError());
closesocket(ClientSocket);
return 1;
}
}
else
{
for (i;i<temp;i++)
{
if(recvbuf[i]='\r')
if(recvbuf[i+1]='\n')
{
for(int j=0;j<i-last-1;j++)
tempbuf[j]=recvbuf[i-1];
last = i;
break;
}
}
}
packets.write(tempbuf, sizeof(tempbuf));
packets << std::endl;
switch(tempbuf[0])
{
case 0x04:
//loginfail:
if(!loggedin)
{
std::cout << "Login Process initiated";
temp = send(ClientSocket, "Enter your login name and password.", 35, 0);
std::cout << "Username request sent\n";
if (temp == SOCKET_ERROR)
{
printf("Send failed: %d\n", WSAGetLastError());
closesocket(ClientSocket);
//WSACleanup();
return 1;
}
std::cout << "Bytes sent: " << temp << std::endl;
{if (i=temp)
{
temp = recv(ClientSocket, recvbuf, recvbuflen, 0);
if (temp > 0)
{
printf("Bytes received: %d\n", temp);
packets.write(recvbuf, temp);
packets << std::endl;
last = 0;
i = 0;
for (i;i<temp;i++)
{
if(recvbuf[i]='\r')
if(recvbuf[i+1]='\n')
{
for(int j=0;j<i-last-1;j++)
tempbuf[j]=recvbuf[i-1];
last = i;
break;
}
}
}
}
else
{
for (i;i<temp;i++)
{
if(recvbuf[i]='\r')
if(recvbuf[i+1]='\n')
{
for(int j=0;j<i-last-1;j++)
tempbuf[j]=recvbuf[i-1];
last = i;
break;
}
}
}
packets.write(tempbuf, sizeof(tempbuf));
packets << std::endl;}
username=tempbuf;
char userreply[sizeof(username) + 10] = "Username: ";
for (int z = 0;z < sizeof(username); z++)
userreply[z+10]=username[z];
temp = send(ClientSocket, userreply, sizeof(userreply), 0);
std::cout << "Username reply sent\n";
if (temp == SOCKET_ERROR)
{
printf("Send failed: %d\n", WSAGetLastError());
closesocket(ClientSocket);
//WSACleanup();
return 1;
}
std::cout << "Bytes sent: " << temp << std::endl;
{if (i=temp)
{
temp = recv(ClientSocket, recvbuf, recvbuflen, 0);
if (temp > 0)
{
printf("Bytes received: %d\n", temp);
packets.write(recvbuf, temp);
packets << std::endl;
last = 0;
i = 0;
for (i;i<temp;i++)
{
if(recvbuf[i]='\r')
if(recvbuf[i+1]='\n')
{
for(int j=0;j<i-last-1;j++)
tempbuf[j]=recvbuf[i-1];
last = i;
break;
}
}
}
}
else
{
for (i;i<temp;i++)
{
if(recvbuf[i]='\r')
if(recvbuf[i+1]='\n')
{
for(int j=0;j<i-last-1;j++)
tempbuf[j]=recvbuf[i-1];
last = i;
break;
}
}
}
packets.write(tempbuf, sizeof(tempbuf));
packets << std::endl;}
password=tempbuf;
temp = send(ClientSocket, "Password:", 9, 0);
std::cout << "Password reply sent\n";
if (temp == SOCKET_ERROR)
{
printf("Send failed: %d\n", WSAGetLastError());
closesocket(ClientSocket);
//WSACleanup();
return 1;
}
std::cout << "Bytes sent: " << temp << std::endl;
//if (!password_matches)
//goto loginfail;
//else
{
temp = send(ClientSocket, "Connection from [0.0.0.0]", 25, 0);
std::cout << "Logon confirnation sent\n";
if (temp == SOCKET_ERROR)
{
printf("Send failed: %d\n", WSAGetLastError());
closesocket(ClientSocket);
//WSACleanup();
return 1;
}
}
}
else
std::cout << "Already logged in";
break;
default:
//Chat messages
break;
}
}
}