void FTPServerConnection::onCommand(String cmd, String data)
{
cmd.toUpperCase();
debugf("FTP : cmd = %s, data = %s",cmd.c_str(),data.c_str());
// We ready to quit always :)
if (cmd == "QUIT")
{
response(221);
close();
return;
}
// Strong security check :)
if (state == eFCS_Authorization)
{
if (cmd == "USER")
{
userName = data;
response(331);
}
else if (cmd == "PASS")
{
if (server->checkUser(userName, data))
{
userName = "";
state = eFCS_Active;
response(230);
}
else
response(430);
}
else
{
response(530);
}
return;
}
if (state == eFCS_Active)
{
if (cmd == "SYST")
{
response(215, "Windows_NT: Sming Framework"); // Why not? It's look like Windows :)
}
else if (cmd == "PWD")
{
response(257, "\"/\"");
}
else if (cmd == "PORT")
{
cmdPort(data);
}
else if (cmd == "EPRT")
{
cmdEPRT(data);
}
else if (cmd == "CWD")
{
if (data == "/")
{
directoryPrefix = "";
response(250);
}
else
{
directoryPrefix = directoryPrefix + data + "/";
response(250);
}
}
else if (cmd == "TYPE")
{
// response(250);
response(200);
}
/*else if (cmd == "SIZE")
{
response(213, String(fileGetSize(makeFileName(data, false))));
}*/
else if (cmd == "DELE")
{
String name = makeFileName(data, false);
if (fileExist(name))
{
fileDelete(name);
response(250);
}
else
response(550);
}
/*else if (cmd == "RNFR") // Bugs!
{
renameFrom = data;
response(350);
}
else if (cmd == "RNTO")
{
if (fileExist(renameFrom))
{
fileRename(renameFrom, data);
response(250);
}
else
response(550);
}*/
else if (cmd == "RETR")
{
String name = makeFileName(data, false);
if (fileExist(name))
{
createDataConnection(new FTPDataRetrieve(this, makeFileName(data, false)));
}
else
{
response(550);
}
}
else if (cmd == "STOR")
{
createDataConnection(new FTPDataStore(this, makeFileName(data, true)));
}
else if (cmd == "LIST")
{
createDataConnection(new FTPDataFileList(this));
}
else if (cmd == "PASV")
{
response(500 , "Passive mode not supported");
}
else if (cmd == "NOOP")
{
response(200);
}
else if (!server->onCommand(cmd, data, *this))
response(502, "Not supported");
return;
}
debugf("!!!CASE NOT IMPLEMENTED?!!!");
}
//Main will read in port number to pass to "createconnection",
//then send the successful connection to the chatFunction loop.
int main(int argc, char * argv[])
{
int new_fd;
//int dp;
int data_fd;
int numbytes;
char commandIn[MAXCOMMAND];
char tempCommand[MAXCOMMAND];
char* command;
char* hostname;
char* data_port;
char* filename;
char* temp;
const char delimeters[] = ",";
if (argc != 2)
{
fprintf(stderr,"usage: server <portnumber>\n");
exit(1);
}
//Connect to client
new_fd = createConnection(argv[1]);
//Error if failed receipt
if ((numbytes = recv(new_fd, commandIn, MAXCOMMAND-1,0)) == -1)
{
printf("Receipt failed");
perror("recv");
exit(1);
}
commandIn[numbytes] = '\0';
bzero(tempCommand, MAXCOMMAND);
strcpy(tempCommand, commandIn);
printf("Server: Received command: %s\n", tempCommand);
command = strtok(tempCommand, delimeters);
hostname = strtok(NULL, delimeters);
data_port = strtok(NULL, delimeters);
filename = strtok(NULL, delimeters);
//dp = atoi(data_port);
//printf("\nPlease type message below after the prompt.\n");
//printf("Type '\\quit' to end chat connection.\n\n");
if(strcmp(command, "-l") == 0)
{
//directoryListing(dataConnection_fd);
printf("directory list control flow\n");
if(send(new_fd, "Command '-l' received. Establishing Data connection\n", 55, 0) == -1)
{
printf("Problem Establishing connetion.\n");
perror("send");
exit(1);
}
data_fd = createDataConnection(data_port);
sendDirectory(data_fd);
} else if(strcmp(command, "-g") == 0)
{
printf("sendfile control flow\n");
if(send(new_fd, "Command '-g' received. Establishing Data connection\n", 55, 0) == -1)
{
printf("Problem Establishing connetion.\n");
perror("send");
exit(1);
}
data_fd = createDataConnection(data_port);
sendFile(data_port, filename);
//sendRequestedFile(dataConnection_fd, requestedFile);
} else
{
if(send(new_fd, "Invalid command. Closing connection.\n", 38, 0) == -1)
{
printf("Problem Establishing connetion.\n");
perror("send");
exit(1);
}
close(new_fd);
printf("Command not recognized\n Closing connection.\n");
perror("Invalid Command");
return 1;
}
printf("Command: %s\n", command);
printf("hostname: %s\n", hostname);
printf("data_port: %s\n", data_port);
//Enter chat loop with client handle and file descriptor for current connection
//chatFunction(new_fd, clientHandle);
return 0;
}
