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// Copyright (c) Copyright (c) Hercules Dev Team, licensed under GNU GPL.
// Copyright (c) 2014 - 2015 Evol developers
#include "common/hercules.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "common/HPMi.h"
#include "common/memmgr.h"
#include "common/mmo.h"
#include "common/socket.h"
#include "common/strlib.h"
#include "common/timer.h"
#include "login/account.h"
#include "login/login.h"
#include "elogin/config.h"
#include "elogin/md5calc.h"
#include "elogin/parse.h"
#include "elogin/send.h"
int clientVersion = 0;
void login_parse_version(int fd)
{
struct login_session_data* sd = (struct login_session_data*)sockt->session[fd]->session_data;
if (!sd)
return;
clientVersion = RFIFOL(fd, 2);
if (clientVersion < 2)
{
login->login_error(fd, 5);
return;
}
send_update_host(fd);
send_server_version(fd);
}
int elogin_parse_client_login_pre(int *fdPtr,
struct login_session_data* sd __attribute__ ((unused)),
const char *const ip __attribute__ ((unused)))
{
int fd = *fdPtr;
uint16 command = RFIFOW(fd,0);
if (command != 0x64)
{
login->login_error(fd, 3);
hookStop();
return 1;
}
char username[NAME_LENGTH];
safestrncpy(username, RFIFOP(fd, 6), NAME_LENGTH);
int len = safestrnlen(username, NAME_LENGTH);
if (clientVersion < 2)
{
login->login_error(fd, 5);
hookStop();
return 1;
}
else if (len >= 2 && username[len - 2] == '_' && memchr("FfMm", username[len - 1], 4))
{
login->login_error(fd, 3);
hookStop();
return 1;
}
short *ptr = (short*)RFIFOP(fd, 2);
if (*ptr == 20)
*ptr = clientVersion;
return 0;
}
int elogin_parse_client_login_post(int retVal, int *fdPtr,
struct login_session_data* sd,
const char *const ip __attribute__ ((unused)))
{
sd = (struct login_session_data*)sockt->session[*fdPtr]->session_data;
if (sd)
sd->version = clientVersion;
return retVal;
}
void elogin_parse_client_login2(int fd)
{
char username[NAME_LENGTH];
char password[PASSWD_LEN];
char email[40];
uint8 clienttype;
int result;
safestrncpy(username, RFIFOP(fd, 2), NAME_LENGTH);
int len = safestrnlen(username, NAME_LENGTH);
if (len < 2 || !(username[len - 2] == '_') || !memchr("FfMm", username[len - 1], 4))
{
login->login_error(fd, 3);
return;
}
safestrncpy(password, RFIFOP(fd, 26), NAME_LENGTH);
safestrncpy(email, RFIFOP(fd, 51), 40);
clienttype = RFIFOB(fd, 50);
struct login_session_data* sd = (struct login_session_data*)sockt->session[fd]->session_data;
if (!sd)
return;
char ip[16];
uint32 ipl = sockt->session[fd]->client_addr;
sockt->ip2str(ipl, ip);
sd->clienttype = clienttype;
sd->version = clientVersion;
sd->passwdenc = 0;
safestrncpy(sd->userid, username, NAME_LENGTH);
ShowStatus("Request for connection of %s (ip: %s).\n", sd->userid, ip);
safestrncpy(sd->passwd, password, PASSWD_LEN);
if (e_mail_check(email) == 0)
{
ShowNotice("Attempt to create an e-mail REFUSED - e-mail is invalid (ip: %s)\n", ip);
login->login_error(fd, 11);
return;
}
result = login->mmo_auth(sd, false);
if (result == -1)
{
int account_id = sd->account_id;
struct mmo_account acc;
if (!login->accounts->load_num(login->accounts, &acc, account_id))
{
ShowNotice("Attempt to create an e-mail on an account REFUSED - account: %d, ip: %s).\n", account_id, ip);
}
else
{
memcpy(acc.email, email, 40);
ShowNotice("Create an e-mail on an account with a default e-mail (account: %d, new e-mail: %s, ip: %s).\n", account_id, email, ip);
// Save
login->accounts->save(login->accounts, &acc);
}
login->auth_ok(sd);
}
else
{
login->auth_failed(sd, result);
}
return;
}
void elogin_parse_ping(int *fd, struct login_session_data* sd)
{
RFIFOSKIP(*fd, 26);
if (!sd)
{
hookStop();
return;
}
struct online_login_data* data = (struct online_login_data*)idb_get(login->online_db, sd->account_id);
if (data == NULL)
{
hookStop();
return;
}
if (data->waiting_disconnect != INVALID_TIMER)
{
timer->delete(data->waiting_disconnect, login->waiting_disconnect_timer);
data->waiting_disconnect = timer->add(timer->gettick() + 30000, login->waiting_disconnect_timer, sd->account_id, 0);
}
hookStop();
}
void elogin_parse_change_paassword(int fd)
{
char actual_pass[24], new_pass[24];
int status = 0;
struct mmo_account acc;
const int accountId = RFIFOL (fd, 2);
memcpy (actual_pass, RFIFOP (fd, 6), 24);
actual_pass[23] = '\0';
memcpy (new_pass, RFIFOP (fd, 30), 24);
new_pass[23] = '\0';
if (!login->accounts->load_num(login->accounts, &acc, accountId))
{
// account not found
send_char_password_change_ack(fd, accountId, 0);
return;
}
if (!strcmp(actual_pass, acc.pass) || pass_ok(actual_pass, acc.pass))
{
// changed ok
status = 1;
safestrncpy(acc.pass, new_pass, sizeof(acc.pass));
login->accounts->save(login->accounts, &acc);
}
else
{
// wrong password
status = 2;
}
send_char_password_change_ack(fd, accountId, status);
}
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