login::login(QWidget *parent) :
QDialog(parent),
ui(new Ui::login)
{
ui->setupUi(this);
setWindowTitle("Welcome to Crypt-Chat!");
mysocket = new QTcpSocket(this);
buffer = new QBuffer(this);
buffer->open(QIODevice::ReadWrite);
ui->login_2->setDefault(true);
this->connect(ui->createnew,SIGNAL(clicked()),this,SLOT(opennew()));
this->connect(ui->changepass,SIGNAL(clicked()),this,SLOT(changepassw()));
this->connect(ui->login_2,SIGNAL(clicked()),this,SLOT(checklogin()));
connect(this, SIGNAL(enterlogin()), this, SLOT(checklogin()));
this->connect(ui->settingsbutton,SIGNAL(clicked()), this, SLOT(settingsb()));
connect(mysocket, SIGNAL(readyRead()), SLOT(receiveMessage()));
connect(this, SIGNAL(loginfosend(string*)), SLOT(sendMessage(string*)));
connect(this, SIGNAL(sendforkey(string*)), SLOT(sendMessage(string*)));
connect(this, SIGNAL(logconnect()), SLOT(toggleConnection()));
connect(this, SIGNAL(connectfailed()), this, SLOT(connectfalse()));
connect(this, SIGNAL(connectworked()), this, SLOT(connecttrue()));
}
qbool SV_Login(client_t *cl)
{
extern cvar_t sv_registrationinfo;
char info[256];
char *ip;
// is sv_login is disabled, login is not necessery
if (!(int)sv_login.value)
{
SV_Logout(cl);
cl->logged = -1;
return true;
}
// if we're already logged return (probobly map change)
if (cl->logged > 0)
return true;
// sv_login == 1 -> spectators don't login
if ((int)sv_login.value == 1 && cl->spectator)
{
SV_Logout(cl);
cl->logged = -1;
return true;
}
// check for account for ip
ip = va("%d.%d.%d.%d", cl->realip.ip[0], cl->realip.ip[1], cl->realip.ip[2], cl->realip.ip[3]);
if ((cl->logged = checklogin(ip, ip, cl - svs.clients + 1, use_ip)) > 0)
{
strlcpy(cl->login, accounts[cl->logged-1].pass, CLIENT_LOGIN_LEN);
return true;
}
// need to login before connecting
cl->logged = false;
cl->login[0] = 0;
if (sv_registrationinfo.string[0])
{
strlcpy (info, sv_registrationinfo.string, 254);
strlcat (info, "\n", 255);
MSG_WriteByte (&cl->netchan.message, svc_print);
MSG_WriteByte (&cl->netchan.message, PRINT_HIGH);
MSG_WriteString (&cl->netchan.message, info);
}
MSG_WriteByte (&cl->netchan.message, svc_print);
MSG_WriteByte (&cl->netchan.message, PRINT_HIGH);
MSG_WriteString (&cl->netchan.message, "Enter your login and password:\n");
return false;
}
void login(){
int a;
memmove(&comingbuf[0],&comingbuf[1], 1);
char *User = strtok(comingbuf,"%");
char *Pass = strtok(NULL,"%");
a = checklogin(User,Pass);
if (a == 0){
write(sockfd,error,1);
}
if(a == 1){
write(sockfd,succ,1);
}
bzero(comingbuf,LENG);
}
int main(){
int listen_sock;
int server_len, client_len;
struct sockaddr_in server_address;
struct sockaddr_in client_address;
listen_sock = socket(AF_INET, SOCK_STREAM, 0);
if (listen_sock == -1)
{
printf("khong tao duoc socket\n");
return 0;
}
printf("Tao socket thanh cong\n");
server_address.sin_family = AF_INET;
inet_aton("127.0.0.1",&server_address.sin_addr);
server_address.sin_port = htons(5500);
server_len = sizeof(server_address);
if(bind(listen_sock, (struct sockaddr *)&server_address,server_len)<0)
{
printf("bind failed.\n");
return 0;
}
printf("bind done\n");
int check = listen(listen_sock, 10);
if (check == -1)
{
printf("error");
return 0;
}
printf("waiting connect ...\n");
while(1) {
client_len = sizeof(client_address);
conn_sock = accept(listen_sock,(struct sockaddr *)&client_address, &client_len);
if(conn_sock==-1){
printf("error connect\n");
return 0;
}else{
printf("Accept new connection\n");
}
if(fork() == 0){
close(listen_sock);
//thiet lap truyen nhan giu lieu lien tuc
int sentBytes,revedBytes,i;
time_t start;
struct tm * timeinfo;
char name[30];
char pass[16];
struct userinfo acc1;
char s[2]="|";
char *token;
int flag;
char str_flag[3];
char filename[]="data.txt";
int stop = 0;
FILE *f;
FILE *result;
int login;
while((revedBytes = recv(conn_sock,buff,1024,0)) >= 0){
buff[revedBytes]='\0';
token = strtok(buff, s);
strcpy(str_flag,token);
flag=atoi(str_flag);
//nhan va kiem tra co bao
switch(flag){
case 0:
//kiem tra dang nhap neu dang nhap thang cong tra ve buff[0] = 5
//neu khong dung tra ve buff[0]=4 va buff[1] la ma loi
printf("Dang nhap\n");
token =strtok(NULL,s);
strcpy(name,token);
token=strtok(NULL,s);
strcpy(pass,token);
login = checklogin(name,pass);
if(login==1){
result =fopen(name,"w");
buff[0] = 5;
sentBytes = send(conn_sock,buff,1024,0);
}else{
buff[0] = 4;
buff[1] = login;
sentBytes = send(conn_sock,buff,1024,0);
}
break;
case 1:
token =strtok(NULL,s);
strcpy(name,token);
token=strtok(NULL,s);
strcpy(pass,token);
if(findAcc(name)==1){
buff[0] = 4;
buff[1] = 1;
buff[2] = '\0';
sentBytes = send(conn_sock,buff,1024,0);
break;
}
f =fopen(filename,"a");
fprintf(f, "%s\t%s\n",name,pass );
fclose(f);
buff[0] = 5;
buff[1] = '\0';
sentBytes = send(conn_sock,buff,1024,0);
break;
case 2:
side = 1 ;xside = 0;
time (&start );
timeinfo = localtime ( &start );
fprintf(result,"IP address is: %s\n", inet_ntoa(client_address.sin_addr));
fprintf (result,"time start :%s\n", asctime (timeinfo) );
InitGen();
while(1){
if(side == computerside){
ComputerThink();
printf("%d may choi\n",side);
fprintf(result,"%s-%s\n",indexChar(newmove.from),indexChar(newmove.dest));
UpdateNewMove();
buff[0] = 3;
buff[1] = newmove.from;
buff[2] = newmove.dest;
buff[3] = check_thua();stop = buff[3];
buff[4] = '\0';
send(conn_sock,buff,1024,0);
if(stop == 1) break;
}
else
if(GetHumanMove(0,1)==0){
fprintf(result,"%s-%s\t",indexChar(newmove.from),indexChar(newmove.dest));
UpdateNewMove();
printf("%d nguoi choi\n",side);
buff[0] = 3;
buff[1] = 1;
buff[2] = 0;
buff[3] = check_thang(); stop = buff[3];
buff[4] = '\0';
send(conn_sock,buff,1024,0);
//tra ve neu di thanh cong
if(stop == 1) break;
};
side = xside; xside = 1-xside;
printf("%d-%d-%d\n",side,newmove.from,newmove.dest);
}
printf("Dung choi\n");
time (&start );
timeinfo = localtime ( &start );
fprintf (result,"time end :%s\n", asctime (timeinfo));
fclose(result);
result = fopen(name,"r");
while(!feof(result)){
if (fgets(buff,81,result) != NULL ){
sentBytes=send(conn_sock,buff,1024,0);
}
}
buff[0] = 'Q';
buff[1] = '\0';
sentBytes=send(conn_sock,buff,1024,0);
break;
default:
break;
}
}
close(conn_sock);
exit(0);
}
signal(SIGCHLD,sig_chld);
close(conn_sock);
}
return 1;
}
void SV_ParseLogin(client_t *cl)
{
extern cvar_t sv_forcenick;
char *log1, *pass;
if (Cmd_Argc() > 2)
{
log1 = Cmd_Argv(1);
pass = Cmd_Argv(2);
}
else
{ // bah usually whole text in 'say' is put into ""
log1 = pass = Cmd_Argv(1);
while (*pass && *pass != ' ')
pass++;
if (*pass)
*pass++ = 0;
while (*pass == ' ')
pass++;
}
// if login is parsed, we read just a password
if (cl->login[0])
{
pass = log1;
log1 = cl->login;
}
else
{
strlcpy(cl->login, log1, CLIENT_LOGIN_LEN);
}
if (!*pass)
{
strlcpy(cl->login, log1, CLIENT_LOGIN_LEN);
MSG_WriteByte (&cl->netchan.message, svc_print);
MSG_WriteByte (&cl->netchan.message, PRINT_HIGH);
MSG_WriteString (&cl->netchan.message, va("Password for %s:\n", cl->login));
return;
}
cl->logged = checklogin(log1, pass, cl - svs.clients + 1, use_log);
switch (cl->logged)
{
case -2:
MSG_WriteByte (&cl->netchan.message, svc_print);
MSG_WriteByte (&cl->netchan.message, PRINT_HIGH);
MSG_WriteString (&cl->netchan.message, "Login blocked\n");
cl->logged = 0;
cl->login[0] = 0;
break;
case -1:
MSG_WriteByte (&cl->netchan.message, svc_print);
MSG_WriteByte (&cl->netchan.message, PRINT_HIGH);
MSG_WriteString (&cl->netchan.message, "Login in use!\ntry again:\n");
cl->logged = 0;
cl->login[0] = 0;
break;
case 0:
MSG_WriteByte (&cl->netchan.message, svc_print);
MSG_WriteByte (&cl->netchan.message, PRINT_HIGH);
MSG_WriteString (&cl->netchan.message, va("Access denied\nPassword for %s:\n", cl->login));
break;
default:
Sys_Printf("%s logged in as %s\n", cl->name, cl->login);
MSG_WriteByte (&cl->netchan.message, svc_print);
MSG_WriteByte (&cl->netchan.message, PRINT_HIGH);
MSG_WriteString (&cl->netchan.message, va("Welcome %s\n", log1));
//VVD: forcenick ->
if ((int)sv_forcenick.value && cl->login)
{
char oldval[MAX_EXT_INFO_STRING];
strlcpy (oldval, cl->name, MAX_EXT_INFO_STRING);
Info_Set (&cl->_userinfo_ctx_, "name", cl->login);
ProcessUserInfoChange (cl, "name", oldval);
// Change name cvar in client
MSG_WriteByte (&cl->netchan.message, svc_stufftext);
MSG_WriteString (&cl->netchan.message, va("name %s\n", cl->login));
}
//<-
MSG_WriteByte (&cl->netchan.message, svc_stufftext);
MSG_WriteString (&cl->netchan.message, "cmd new\n");
}
}
