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|
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <signal.h>
#include <fcntl.h>
#include <string.h>
#include "login.h"
#include "char_int.h"
//----------------------
// Client requesting login [Edit: Wizputer]
//----------------------
void client_request_login(int fd,unsigned char *p ) {
struct mmo_account account;
char t_uid[32];
int server_num = 0,result,i;
if( !servers_connected) {
WFIFOW(fd,0) = 0x81;
WFIFOL(fd,2) = 1; // 01 = Server closed
WFIFOSET(fd,3);
}
#ifdef DEBUG
printf("client connection request %s from %d.%d.%d.%d\n", RFIFOP(fd, 6), p[0], p[1], p[2], p[3]);
#endif
account.userid = RFIFOP(fd, 6);
account.passwd = RFIFOP(fd, 30);
#ifdef PASSWORDENC
account.passwdenc= (RFIFOW(fd,0)==0x64)?0:PASSWORDENC;
#else
account.passwdenc=0;
#endif
result=mmo_auth(&account, fd);
jstrescapecpy(t_uid,RFIFOP(fd, 6));
if(result==-1){
unsigned char gm_level = isGM(account.account_id);
if (min_level_to_connect > gm_level || !servers_connected) {
WFIFOW(fd,0) = 0x81;
WFIFOL(fd,2) = 1; // 01 = Server closed
WFIFOSET(fd,3);
} else {
if (p[0] != 127) {
sprintf(tmpsql,"INSERT DELAYED INTO `%s`(`time`,`ip`,`user`,`rcode`,`log`) VALUES (NOW(), '%d.%d.%d.%d', '%s','100', 'login ok')", loginlog_db, p[0], p[1], p[2], p[3], t_uid);
sql_query(tmpsql,"client_request_login");
}
if (gm_level) {
#ifdef DEBUG
printf("Connection of the GM (level:%d) account '%s' accepted.\n", gm_level, account.userid);
#endif
} else {
#ifdef DEBUG
printf("Connection of the account '%s' accepted.\n", account.userid);
#endif
}
for(i = 0; i < MAX_SERVERS || server_num < servers_connected ; i++)
if (server_fd[i] >= 0) {
//Lan check added by Kashy
if (lan_ip_check(p))
WFIFOL(fd,47+server_num*32) = inet_addr(lan_char_ip);
else
WFIFOL(fd,47+server_num*32) = server[i].ip;
WFIFOW(fd,47+server_num*32+4) = server[i].port;
memcpy(WFIFOP(fd,47+server_num*32+6), server[i].name, 20);
WFIFOW(fd,47+server_num*32+26) = server[i].users;
WFIFOW(fd,47+server_num*32+28) = server[i].maintenance;
WFIFOW(fd,47+server_num*32+30) = server[i].new;
server_num++;
}
WFIFOW(fd,0)=0x69;
WFIFOW(fd,2)=47+32*server_num;
WFIFOL(fd,4)=account.login_id1;
WFIFOL(fd,8)=account.account_id;
WFIFOL(fd,12)=account.login_id2;
WFIFOL(fd,16)=0;
memcpy(WFIFOP(fd,20),account.lastlogin,24);
WFIFOB(fd,46)=account.sex;
WFIFOSET(fd,47+32*server_num);
if(auth_fifo_pos>=AUTH_FIFO_SIZE)
auth_fifo_pos=0;
auth_fifo[auth_fifo_pos].account_id=account.account_id;
auth_fifo[auth_fifo_pos].login_id1=account.login_id1;
auth_fifo[auth_fifo_pos].login_id2=account.login_id2;
auth_fifo[auth_fifo_pos].sex=account.sex;
auth_fifo[auth_fifo_pos].delflag=0;
auth_fifo[auth_fifo_pos].ip = session[fd]->client_addr.sin_addr.s_addr;
auth_fifo_pos++;
}
} else {
char error[32];
sprintf(tmpsql,"SELECT `error` FROM `errors` WHERE `result`='%d'",result);
sql_query(tmpsql,"client_request_login");
if ((sql_res = mysql_store_result(&mysql_handle))) {
if ((sql_row = mysql_fetch_row(sql_res))) {
sprintf(error,sql_row[0]);
} else {
sprintf(error,"No Error!");
}
}
sprintf(tmpsql,"INSERT DELAYED INTO `%s`(`time`,`ip`,`user`,`rcode`,`log`) VALUES (NOW(), '%d.%d.%d.%d', '%s', '%d','login failed : %s')", loginlog_db, p[0], p[1], p[2], p[3], t_uid, result, error);
sql_query(tmpsql,"client_request_login");
if ((result == 1) && (dynamic_pass_failure_ban != 0)){ // failed password
sprintf(tmpsql,"SELECT count(*) FROM `%s` WHERE `ip` = '%d.%d.%d.%d' AND `rcode` = '1' AND `time` > NOW() - INTERVAL %d MINUTE",
loginlog_db, p[0], p[1], p[2], p[3], dynamic_pass_failure_ban_time); //how many times filed account? in one ip.
sql_query(tmpsql,"client_request_login");
if ((sql_res = mysql_store_result(&mysql_handle))) {
if ((sql_row = mysql_fetch_row(sql_res))) {
if (atoi(sql_row[0]) >= dynamic_pass_failure_ban_how_many ) {
sprintf(tmpsql,"INSERT INTO `ipbanlist`(`list`,`btime`,`rtime`,`reason`) VALUES ('%d.%d.%d.*', NOW() , NOW() + INTERVAL %d MINUTE ,'Password error ban: %s')", p[0], p[1], p[2], dynamic_pass_failure_ban_how_long, t_uid);
sql_query(tmpsql,"client_request_login");
}
}
}
mysql_free_result(sql_res);
}
//cannot connect login failed
memset(WFIFOP(fd,0),'\0',23);
WFIFOW(fd,0)=0x6a;
WFIFOB(fd,2)=result-1;
if (result == 6) { // 6 = Your are Prohibited to log in until %s
char tmpstr[256];
strftime(tmpstr, 20, date_format, localtime(&account.ban_until_time));
tmpstr[19] = '\0';
memcpy(WFIFOP(fd,3), tmpstr, 20);
} else { // we send error message
memcpy(WFIFOP(fd,3), error, 20);
}
}
WFIFOSET(fd,23);
RFIFOSKIP(fd,(RFIFOW(fd,0)==0x64)?55:47);
}
//------------------------------------------------------
// MD5 Key requested for encypted login [Edit: Wizputer
//------------------------------------------------------
void md5_key_request(int fd) {
#ifdef DEBUG
printf("Request Password key -%s\n",md5key);
#endif
RFIFOSKIP(fd,2);
WFIFOW(fd,0)=0x01dc;
WFIFOW(fd,2)=4+md5keylen;
memcpy(WFIFOP(fd,4),md5key,md5keylen);
WFIFOSET(fd,WFIFOW(fd,2));
}
//----------------------------------------------------
// Char-server requesting connection [Edit: Wizputer]
//-----------------------------------------------------
void char_request_login(int fd, unsigned char *p) {
struct mmo_account account;
unsigned char* server_name;
char t_uid[32];
int result;
sprintf(tmpsql,"INSERT DELAYED INTO `%s`(`time`,`ip`,`user`,`rcode`,`log`) VALUES (NOW(), '%d.%d.%d.%d', '%s@%s','100', 'charserver - %s@%d.%d.%d.%d:%d')", loginlog_db, p[0], p[1], p[2], p[3], RFIFOP(fd, 2),RFIFOP(fd, 60),RFIFOP(fd, 60), RFIFOB(fd, 54), RFIFOB(fd, 55), RFIFOB(fd, 56), RFIFOB(fd, 57), RFIFOW(fd, 58));
sql_query(tmpsql,"char_request_login");
#ifdef DEBUG
printf("server connection request %s @ %d.%d.%d.%d:%d (%d.%d.%d.%d)\n",
RFIFOP(fd, 60), RFIFOB(fd, 54), RFIFOB(fd, 55), RFIFOB(fd, 56), RFIFOB(fd, 57), RFIFOW(fd, 58),
p[0], p[1], p[2], p[3]);
#endif
account.userid = RFIFOP(fd, 2);
account.passwd = RFIFOP(fd, 26);
account.passwdenc = 0;
server_name = RFIFOP(fd,60);
result = mmo_auth(&account, fd);
#ifdef DEBUG
printf("Result: %d - Sex: %d - Account ID: %d\n",result,account.sex,(int) account.account_id);
#endif
if(result == -1 && account.sex==2 && account.account_id<MAX_SERVERS && server_fd[account.account_id]==-1){
printf("Connection of the char-server '%s' accepted.\n", server_name);
memset(&server[account.account_id], 0, sizeof(struct mmo_char_server));
server[account.account_id].ip=RFIFOL(fd,54);
server[account.account_id].port=RFIFOW(fd,58);
memcpy(server[account.account_id].name,RFIFOP(fd,60),20);
server[account.account_id].users=0;
server[account.account_id].maintenance=RFIFOW(fd,82);
server[account.account_id].new=RFIFOW(fd,84);
server_fd[account.account_id]=fd;
if(anti_freeze_enable)
server_freezeflag[account.account_id] = 5; // Char-server anti-freeze system. Counter. 5 ok, 4...0 freezed
jstrescapecpy(t_uid,server[account.account_id].name);
sprintf(tmpsql,"REPLACE DELAYED INTO `sstatus`(`index`,`name`,`user`) VALUES ( '%ld', '%s', '%d')",
account.account_id, server[account.account_id].name,0);
sql_query(tmpsql,"char_request_login");
WFIFOW(fd,0)=0x2711;
WFIFOB(fd,2)=0;
WFIFOSET(fd,3);
session[fd]->func_parse=parse_fromchar;
realloc_fifo(fd,FIFOSIZE_SERVERLINK,FIFOSIZE_SERVERLINK);
servers_connected++;
} else {
WFIFOW(fd, 0) =0x2711;
WFIFOB(fd, 2)=3;
WFIFOSET(fd, 3);
}
RFIFOSKIP(fd, 86);
}
//---------------------------------------------
// Athena Version Info Request [Edit: Wizputer]
//---------------------------------------------
void request_athena_info(int fd) {
#ifdef DEBUG
printf ("Athena version check...\n");
#endif
WFIFOW(fd,0)=0x7531;
WFIFOB(fd,2)=ATHENA_MAJOR_VERSION;
WFIFOB(fd,3)=ATHENA_MINOR_VERSION;
WFIFOB(fd,4)=ATHENA_REVISION;
WFIFOB(fd,5)=ATHENA_RELEASE_FLAG;
WFIFOB(fd,6)=ATHENA_OFFICIAL_FLAG;
WFIFOB(fd,7)=ATHENA_SERVER_LOGIN;
WFIFOW(fd,8)=ATHENA_MOD_VERSION;
WFIFOSET(fd,10);
RFIFOSKIP(fd,2);
}
//----------------------------------------------------------------------------------------
// Default packet parsing (normal players or administation/char-server connection requests)
//----------------------------------------------------------------------------------------
int parse_login(int fd) {
char ip[16];
unsigned char *p = (unsigned char *) &session[fd]->client_addr.sin_addr;
sprintf(ip, "%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
if (ipban > 0) {
//ip ban
//p[0], p[1], p[2], p[3]
//request DB connection
//check
sprintf(tmpsql, "SELECT count(*) FROM `ipbanlist` WHERE `list` = '%d.*.*.*' OR `list` = '%d.%d.*.*' OR `list` = '%d.%d.%d.*' OR `list` = '%d.%d.%d.%d'",
p[0], p[0], p[1], p[0], p[1], p[2], p[0], p[1], p[2], p[3]);
sql_query(tmpsql,"parse_login");
if((sql_res = mysql_store_result(&mysql_handle))) {
if((sql_row = mysql_fetch_row(sql_res))) {//row fetching
if (atoi(sql_row[0]) >0) {
// ip ban ok.
printf ("packet from banned ip : %d.%d.%d.%d" RETCODE, p[0], p[1], p[2], p[3]);
sprintf(tmpsql,"INSERT DELAYED INTO `%s`(`time`,`ip`,`user`,`rcode`,`log`) VALUES (NOW(), '%d.%d.%d.%d', 'unknown','-3', 'ip banned')", loginlog_db, p[0], p[1], p[2], p[3]);
sql_query(tmpsql,"parse_login");
#ifdef DEBUG
printf ("close session connection...\n");
#endif
// close connection
session[fd]->eof = 1;
} else {
#ifdef DEBUG
printf ("packet from ip (ban check ok) : %d.%d.%d.%d" RETCODE, p[0], p[1], p[2], p[3]);
#endif
}
}
}
mysql_free_result(sql_res);
}
if (session[fd]->eof) {
int i;
for(i = 0; i < MAX_SERVERS && i < servers_connected; i++)
if (server_fd[i] == fd) {
server_fd[i] = -1;
servers_connected--;
}
close(fd);
delete_session(fd);
return 0;
}
while(RFIFOREST(fd)>=2){
#ifdef DEBUG_PACKETS
printf("parse_login : %d %d packet case=%x\n", fd, RFIFOREST(fd), RFIFOW(fd,0));
#endif
switch(RFIFOW(fd,0)){
case 0x200: // New alive packet: structure: 0x200 <account.userid>.24B. used to verify if client is always alive.
if (RFIFOREST(fd) < 26)
return 0;
RFIFOSKIP(fd,26);
break;
case 0x204: // New alive packet: structure: 0x204 <encrypted.account.userid>.16B. (new ragexe from 22 june 2004)
if (RFIFOREST(fd) < 18)
return 0;
RFIFOSKIP(fd,18);
break;
case 0x64:
case 0x01dd:
if(RFIFOREST(fd)< ((RFIFOW(fd, 0) ==0x64)?55:47))
return 0;
client_request_login(fd, p);
break;
case 0x01db:
if (session[fd]->session_data) {
#ifdef DEBUG
printf("login: abnormal request of MD5 key (already opened session).\n");
#endif
session[fd]->eof = 1;
return 0;
}
md5_key_request(fd);
break;
case 0x2710:
if(RFIFOREST(fd)<86)
return 0;
char_request_login(fd,p);
break;
case 0x7530:
request_athena_info(fd);
break;
case 0x7532:
default:
#ifdef DEBUG
printf ("End of connection (ip: %s)" RETCODE, ip);
#endif
session[fd]->eof = 1;
return 0;
}
}
return 0;
}
|
